A battery discharge circuit (100), a circuit control method, and a battery discharge apparatus. The battery discharge circuit comprises a resistor configuration branch (10), a current sampling branch (20), a switch branch (30), a signal amplification branch (40) and a controller (50), wherein the resistor configuration branch is connected between a battery (200) and the switch branch, is connected to the controller, and is configured to be a first preset resistor; the current sampling branch is connected between the battery and the switch branch, and outputs a sampling signal on the basis of a discharge current of the battery; the controller is connected to the signal amplification branch, and outputs a voltage signal corresponding to a target discharge current of the battery; the signal amplification branch is connected between the switch branch and the current sampling branch, and outputs an adjustment signal on the basis of the sampling signal and the voltage signal; the switch branch adjusts the turning-on degree of the switch branch on the basis of the adjustment signal; and the battery is discharged by means of the first preset resistor and the switch branch. In this way, the discharge cost of a battery can be reduced.
The application provides a communication interaction method and apparatus, a device and a storage medium. The method comprises: when a vehicle identification code of a target vehicle is obtained, according to the vehicle identification code, obtaining a plurality of electronic control units and a plurality of communication parameters in the target vehicle, wherein the plurality of communication parameters comprise a communication parameter corresponding to each electronic control unit in the plurality of electronic control units; according to the plurality of communication parameters, creating at least one communication link for the plurality of electronic control units, wherein one communication link corresponds to one communication parameter; by means of each communication link in the at least one communication link, respectively performing parallel communication command interaction with the electronic control unit corresponding to each communication link. By means of the technical solution, the duration of communication command interaction can be reduced, and the communication efficiency with the electronic control units in the vehicle is improved.
A calibration disc, comprising a disc body (1) and a clamping assembly, wherein the disc body (1) is provided with a first clamping face (11) and a second clamping face (12), the first clamping face (11) and the second clamping face (12) are both arc faces, center axes of the first clamping face (11) and the second clamping face (12) are collinear, and the first clamping face (11) and the second clamping face (12) are jointly used for clamping a first clamp (2000); and a positioning assembly comprises a first positioning member (21) and a second positioning member (22), the first positioning member (21) and the second positioning member (22) are both provided on the disc body (1), the first clamping member is provided with a first clamping face, the second clamping member is provided with a second clamping face, the second clamping face and the first clamping face are both arc faces, center axes of the second clamping face and the second clamping face are collinear, and the second clamping face and the first clamping face are jointly used for clamping a tire clamp. One calibration disc can be used for clamping a first clamp and a second clamp, such that the universality of the calibration disc is improved. Further provided are a calibration apparatus and a calibration system.
A calibration support (1000), comprising a base (1), a column assembly (2) and a beam assembly (3), wherein the base (1) is provided with a maintenance hole (11); the column assembly (2) comprises a fixed column (21), a lifting column (22), a driving assembly (23) and a quick-release member (24); a first end of the fixed column (21) is arranged on the base (1), the fixed column (21) is provided with an accommodation cavity (211), the accommodation cavity (211) extends from the first end of the fixed column (21) to a second end of the fixed column (21), and one side of the fixed column (21) is provided with an opening; the lifting column (22) is inserted into the accommodation cavity (211) from the second end of the fixed column (21), the quick-release member (24) is detachably connected to the fixed column (21), and the quick-release member (24) corresponds to the opening; the driving assembly (23) is arranged in the accommodation cavity (211), and the driving assembly (23) corresponds to the maintenance hole (11); and the quick-release member (24) limits the driving assembly (23) to block the movement of the driving assembly (23) toward the maintenance hole (11), and the driving assembly (23) is detachably connected to the lifting column (22). The present application solves the problem that the operation process is relatively difficult and tedious when a driving assembly is disassembled and assembled in an existing calibration support. A calibration device is further provided.
A load balancing control method and a power battery module balancing device (100), relating to the technical field of power battery module balancing devices. The load balancing control method comprises: when a power battery module is being charged, using a plurality of small-capacity power supply modules for combination, wherein a unified charging control signal is used for the power supply modules to achieve load balancing of the power battery module; and when the power battery module is being discharged, adjusting a discharge current by using a two-stage discharge strategy, and forming a plurality of discharge channels, wherein a unified discharge control signal is used for the plurality of discharge channels so that the discharge channels have a consistent discharge current. According to the load balancing control method, loads of the power supply modules in the power battery module can be reasonably balanced, balanced distribution of currents on the power supply modules is achieved, and balanced load distribution can maximize the working efficiency of the power battery modules; moreover, the safety of a power battery system is improved and the service life of the power battery module balancing device is prolonged.
B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries
B60L 58/22 - Équilibrage de la charge des modules de batterie
B60L 3/00 - Dispositifs électriques de sécurité sur véhicules propulsés électriquementContrôle des paramètres de fonctionnement, p. ex. de la vitesse, de la décélération ou de la consommation d’énergie
The present application relates to a battery pack maintenance system, comprising a cloud platform and a diagnosis device. The diagnosis device can detect a battery pack online or offline, so that a vehicle model coverage is wider, and the compatibility is higher. Moreover, the diagnosis device obtains technical data and maintenance data by means of the cloud platform, determines, according to the technical data and detection data, whether a fault occurs in the battery pack, and if yes, maintains the battery pack according to the maintenance data, so that detection and maintenance integration is achieved, the maintenance efficiency and the maintenance effect are improved, and the user operation difficulty is reduced.
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries
H04L 67/10 - Protocoles dans lesquels une application est distribuée parmi les nœuds du réseau
A positioning apparatus (100) and a positioning system, in the technical field of calibration. The positioning apparatus (100) comprises a first detection unit (10), a second detection unit (20), and a processing unit (30); the first detection unit (10) and the second detection unit (20) are located at two sides of a vehicle (102), respectively; each of the first detection unit (10) and the second detection unit (20) comprises an image acquisition assembly, the image acquisition assembly comprising a first wheel camera (12) facing the direction of a first wheel (1022) of the vehicle (102), and a calibration frame camera (14) facing the direction of a calibration frame (101); the processing unit (30) is connected to each of the first detection unit (10) and the second detection unit (20), and the processing unit (30) is used to control the two first wheel cameras (12) to acquire first images of the first wheels (1022) on both sides, respectively, and is used to control at least one of the two calibration frame cameras (14) to acquire a second image of at least part of the calibration frame (101); the processing unit (30) is also used to determine the position of the calibration frame (101) relative to the vehicle (102) according to the first image and the second image. The positioning apparatus (100) may improve calibration precision and calibration efficiency, and improve maintenance efficiency.
Embodiments of the present application relate to the technical field of tire pressure detection. Disclosed are a tire pressure sensor and a tire pressure detection system. The tire pressure sensor comprises a housing, a tire pressure detection assembly and a sealing member. The housing is provided with a cavity and a recess communicated with the cavity; the recess is provided with a through hole; the through hole is used for communicating the recess with the outside; the inner peripheral wall of the recess is provided with convex ribs. The tire pressure detection assembly is accommodated in the cavity; the tire pressure detection assembly comprises a circuit board, a tire pressure detection chip and a wireless transmission module; both the tire pressure detection chip and the wireless transmission module are connected to the circuit board; the tire pressure detection chip is connected to the top of the recess and closes the opening of the recess. The sealing member is accommodated in the recess; the sealing member abuts against the convex ribs, so that a gap is formed between the outer peripheral surface of the sealing member and the inner peripheral wall of the recess; the sealing member is provided with a connecting hole; the connecting hole is communicated with the through hole and the air pressure hole of the tire pressure detection chip. In this way, the situation of poor assembly caused by the sealing member being easily affected by burrs can be alleviated.
The present application relates to a power battery monitoring system and method. The system comprises a battery module, N monitoring modules and an upper monitoring platform, the N monitoring modules are connected in series, and the first monitoring module is connected to the upper monitoring platform, wherein a sampling channel of each monitoring module is M. According to the power battery monitoring system, cells can be segmented, the number of each segment of cells is M, the each segment of cells are connected to a same monitoring module, and the monitoring module acquires sampling data of the segment of cells by means of a corresponding sampling channel, so that the upper monitoring platform monitors the segment of cells. Meanwhile, the monitoring modules can be connected in series to realize expansion of the monitoring module. Therefore, according to the power battery monitoring system, the number of monitoring modules can be selected according to the specific number of cells, so that various configurations of battery modules are compatible, thereby achieving better compatibility.
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries
10.
TRACTION BATTERY DATA STREAM DIAGNOSIS VISUALIZATION METHOD AND DIAGNOSIS DEVICE
A traction battery data stream diagnosis visualization method and a diagnosis device, which relate to the field of automobile maintenance. The method comprises: acquiring structural parameters of a traction battery (S1); according to the structural parameters of the traction battery, matching and generating a visual battery graph corresponding to the structural parameters of the traction battery (S2); and acquiring a data stream of the traction battery, and displaying same in the visual battery graph (S3). By means of the method, data stream patterning can be realized, dynamic data stream parameters of a traction battery can be displayed in a patterned manner, a single battery cell with an abnormal data stream in a battery module can be presented in a visual battery graph in a comparative manner, location coordinates of the corresponding faulty single battery cell can be quickly positioned by means of the abnormal data stream of the traction battery, and abnormal parameters can be displayed to give an alarm so as to assist in maintenance, such that a maintenance technician can quickly repair a fault of the battery module of an electric vehicle, and the difficulties faced by the maintenance technician are also reduced, thereby greatly improving the maintenance working efficiency.
A method for measuring an internal resistance of a battery, and a circuit for measuring an internal resistance of a battery, which relate to the technical field of batteries. The method comprises: determining the capacity range of a battery to be subjected to measurement (S1); according to the capacity range of said battery, determining measurement logic of said battery (S2); according to the measurement logic, acquiring a voltage and a current of said battery (S3); and according to the measurement logic, the voltage and the current, calculating an internal resistance of said battery (S4). That is, targeted internal resistance measurement is performed on a battery to be subjected to measurement, such that the accuracy of measurement for an internal resistance of said battery can be improved.
G01R 31/389 - Mesure de l’impédance interne, de la conductance interne ou des variables similaires
G01R 27/08 - Mesure de la résistance par mesure à la fois de la tension et de l'intensité
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
The present application relates to the technical field of new energy. Disclosed is a charging device. The charging device comprises a power supply circuit, a measurement circuit and a control circuit, wherein the measurement circuit can be electrically connected to a power battery, and can measure the battery voltage of the power battery; the power supply circuit comprises a plurality of power supply units, and each power supply unit can be electrically connected to the power battery; the control circuit is respectively electrically connected to the plurality of power supply units and the measurement circuit, can determine a target mode according to the battery voltage, and controls, according to the target mode, the total charging power that is output by the plurality of power supply units to the power battery. By means of the embodiments, power supply units involved in charging can be flexibly distributed according to the actual charging requirement of a power battery, such that a charging power is dynamically adjusted, and the compatibility with a wide charging voltage range is improved, thereby widening application scenarios.
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02J 3/32 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des batteries avec moyens de conversion
H02H 11/00 - Circuits de protection de sécurité pour empêcher la commutation de mise en service dans le cas où une condition électrique de travail indésirable pourrait en résulter
Provided in the embodiments of the present application are a charging circuit and a charging apparatus. The charging circuit comprises a charging power supply, a first switch, and a control unit, wherein the charging power supply comprises at least one programmable constant voltage source; the first switch is connected between the charging power supply and a battery; the control unit is separately connected to the charging power supply and the first switch; and the control unit obtains, according to a target charging current, a first control voltage for controlling the first switch or a second control voltage for controlling the programmable constant voltage source, so as to control the magnitude of a charging current. Therefore, constant-current charging of the programmable constant voltage source may be realized.
Embodiments of the present application relate to the field of battery equalization design, and disclose a power battery module equalization system and a control method therefor. The system comprises a mains electricity conversion module, a strong electricity management module, an output module, a battery module, an electronic load, a power transfer module, a sampling module, and a microcontroller unit. According to the system, when the sampling module acquires that a voltage difference between power batteries in the battery module is relatively large, the electronic load and/or the power transfer module can be connected to the battery module to realize equalization, and when the voltage difference between the power batteries is relatively small, the output power is adjusted by adjusting the on-off of a switching tube in the strong electricity management module for quick charging. Therefore, the system is simple in structure and easy to control.
A clamping device, comprising: a rotating module (20) comprising a rotating plate (21) and a connecting rod (22), wherein the connecting rod (22) is rotatably connected to a clamping module (50) and the rotating plate (21), respectively, and the rotating plate (21) is provided with a stroke curve protrusion (211); and an engagement module (30) comprising a ratchet wheel (31) and a ratchet assembly (32), wherein the ratchet assembly (32) always abuts against the stroke curve protrusion (211) so as to adjust the engagement position of the ratchet assembly (32) and the ratchet wheel (31). According to the described technical solution, the technical problem of a clamping device that when a first driving module (40) rotates at the same angle, the retraction distance of the clamping module (50) relative to a mounting base (10) is inconsistent is solved, and the technical effect that when the clamping module (50) is at different positions, in a process where the first driving module (40) rotates to an end position after the ratchet assembly (32) and the ratchet wheel (31) are engaged, the retraction distance of the clamping module (50) relative to the mounting base (10) remains the same is achieved.
B25B 11/00 - Porte-pièces ou dispositifs de mise en position non couverts par l'un des groupes , p. ex. porte-pièces magnétiques, porte-pièces utilisant le vide
16.
BATTERY DETECTION APPARATUS AND BATTERY DETECTION SYSTEM
A battery detection apparatus (13) and a battery detection system (100). The battery detection apparatus (13) comprises a high-voltage harness plug (131) and a detection assembly (132); the high-voltage harness plug (131) is used for plugging in an output end of a power battery (200); the high-voltage harness plug (131) comprises a positive high-voltage line (1311) and a negative high-voltage line (1312); the detection assembly (132) comprises a housing (1321), a detection circuit (1322) mounted in the housing (1321), a wireless communication circuit (1323), and a control circuit (1324); the housing (1321) is detachably connected to the high-voltage harness plug (131); the detection circuit (1322) is separately electrically connected to the positive high-voltage line (1311) and the negative high-voltage line (1312), and is used for detecting working parameters of the power battery (200); the control circuit (1324) is separately electrically connected to the detection circuit (1322) and the wireless communication circuit (1323), and is used for controlling the wireless communication circuit (1323) to transmit the working parameters to an upper computer (12).
Disclosed are a stand column and a lifting system. The stand column (100) comprises: an outer column (10), an inner column (20), and a push rod (30). The outer column (10) is a chamber having an opening at the top end; first guide rails (111) are fixed to a first side surface (10a) of the outer column (10); a guide element (112) is fixed to the top end of the first side surface (10a), and the guide element (112) is provided with a guide through hole; the bottom end of the inner column (20) is assembled on the first guide rails (111) by means of a first sliding element (230); the push rod (30) is accommodated in the chamber of the outer column (10); the bottom end of the push rod (30) is fixed to the bottom end of the outer column (10); and a movable rod (31) of the push rod (30) passes through the guide through hole and is then connected to the top end of the inner column (20), so as to drive the inner column (20) to slide along the first guide rails (111). The stand column has the beneficial effects of higher rigidity, stability and calibration precision.
Provided are a test device (600), a diagnostic device (200) and a vehicle diagnostic system (100). The test device (600) comprises an interface circuit (61), a power source circuit (62) and a controller (63), wherein the interface circuit (61) comprises a test interface (611) and an OBD interface (612), the test interface (611) is used for the plugging of a component to be tested (500), and the OBD interface (612) is used for the plugging of a VCI device (700); a pre-charging path (62a) and a direct charging path (62b) are respectively formed between the power source circuit (62) and the test interface (611), and a pre-charging current that flows through the pre-charging path (62a) is less than a direct charging current that flows through the direct charging path (62b); and the controller (63) is used for gating a target path according to test configuration information to provide a power source for the component to be tested (500), and therefore the controller (63) can respectively interact with the component to be tested (500) or the VCI device (700) by means of the test interface (611) or the OBD interface (612), so that the controller (63) reliably and effectively executes a fault test operation. In addition, a target path can be flexibly selected to provide a power source for a component to be tested, so as to avoid damage to the component to be tested or a reduction in the operation reliability of a test device that is caused by an abnormal power supply.
A vehicle measurement apparatus (900), comprising a base module (100), a column module (200), and a crossbeam module (300), the column module (200) being mounted on the base module (100), and the crossbeam module (300) comprising a crossbeam (310), an adjustment mechanism (380) and a fine-adjustment mechanism (800), wherein one end of the fine-adjustment mechanism (800) is mounted on the column module (200), and the other end of the fine-adjustment mechanism (800) is mounted on the adjustment mechanism (380); the crossbeam (310) is mounted on the adjustment mechanism (380); the adjustment mechanism (380) is configured to adjust the position of the crossbeam (310) relative to the column module (200); and the fine-adjustment mechanism (800) is configured to adjust the position of the adjustment mechanism (380) relative to the column module (200). With the above structure, during the adjustment process, a user can adjust the position of the crossbeam (310) only by means of the fine-adjustment mechanism (800) and the adjustment mechanism (380), such that the position of the crossbeam (310) can be adjusted without frequently bending down to adjust the base module (100), and the operation is convenient.
A battery equalization method, comprising: step A1: according to acquired data information of a battery, determining that the battery is a balanceable battery or a replaceable battery; step A2: charging and discharging a module in the balanceable battery; step A3: monitoring the voltage of each cell in the module and the temperature of the module; and step A4: shunting the equalization current between the cells, so as to ensure that the voltage difference between the cells does not exceed a first preset voltage difference value. Further disclosed is a battery equalization system. By means of the method, a battery can be effectively discriminated, thereby improving the equalization effect, shortening the equalization time, and thus improving the equalization efficiency.
The present application discloses a pattern projection correction method, comprising: acquiring an image to be corrected in a target region, wherein the image is an image obtained by photographing the target region when a projection pattern is projected onto a screen located in the target region, the screen is provided with screen feature points, and the projection pattern is provided with projection feature points; calculating correction information according to the screen feature points and the projection feature points; correcting the projection pattern according to the correction information to obtain a corrected projection pattern; and projecting the corrected projection pattern onto the screen. The present application further provides a pattern projection correction apparatus, an automobile calibration system, and a computer-readable storage medium. The present application solves the technical problems in the prior art of being unable to quickly correct a calibration pattern, low calibration accuracy, and poor efficiency.
A vehicle system illustration generation method and display method, and a method for assisting in fault diagnosis, wherein the vehicle system illustration generation method comprises: determining, according to vehicle information, function systems included in a vehicle, and parts or modules included in the function systems; acquiring, from a pre-established element database, element information of elements corresponding to the parts or modules included in each function system; and generating, according to the element information of the elements corresponding to the parts or modules included in the function systems, connection relation information corresponding to the parts or modules, and signal flow direction information, system illustrations corresponding to the function systems of the vehicle. Not only the overall view of the automobile frame can be systematically ascertained as a whole, but also the information flow of the automobile can be clearly and meticulously felt, so that the formation of a diagnosis strategy is assisted to the greatest extent, and the fault point is finally found.
B60R 16/023 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour la transmission de signaux entre des parties ou des sous-systèmes du véhicule
G07C 5/08 - Enregistrement ou indication de données de marche autres que le temps de circulation, de fonctionnement, d'arrêt ou d'attente, avec ou sans enregistrement des temps de circulation, de fonctionnement, d'arrêt ou d'attente
B60S 5/00 - Maintenance, entretien, réparation ou révision des véhicules
G06F 11/00 - Détection d'erreursCorrection d'erreursContrôle de fonctionnement
23.
VEHICLE ELECTRIC LEAKAGE DETECTION METHOD AND APPARATUS
Embodiments of the present invention relate to the technical field of vehicle detection, and in particular, to a vehicle electricity leakage detection method and apparatus. The embodiments of the present invention provide a vehicle electricity leakage detection method and apparatus. The method comprises: obtaining the total current of a negative electrode of a battery of a vehicle when the vehicle is in a dormant state; according to the total current of the negative electrode of the battery, determining a vehicle state, the vehicle state comprising an electricity leakage state and a non-electricity leakage state; if the vehicle state is the electricity leakage state, obtaining the branch current of each branch; and according to the branch current and the total current of the negative electrode of the battery, determining the branch state of each branch, the branch state comprising a fault state and a normal state. According to the method, a vehicle electricity leakage detection process is created, and there is no need to manually look up maintenance data or an automobile specification during detection, thus reducing the detection time and difficulty and lowering labor cost.
The embodiments of the present invention relate to the technical field of computer data processing. Disclosed are an indication signal recognition method. The method comprises: acquiring target video data of a target device; performing image recognition on the target video data, and determining a target image feature sequence corresponding to the target video data; and determining a target indication type of the target device according to the target image feature sequence. In this way, by means of the embodiments of the present invention, the efficiency of indication signal recognition is improved.
G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
Disclosed in the present invention are a vehicle measurement device and a vehicle calibration method. The vehicle measurement device comprises a base module, a column module, a cross beam module, and a camera assembly. The column module comprises a fixed column, a movable column assembly, and a drive assembly. The fixed column is connected to the base module. The movable column assembly is mounted on the fixed column. The movable column assembly is connected to the drive assembly. The drive assembly is used for driving the movable column assembly to lift or lower relative to the fixed column. The cross beam module is supported by the movable column assembly. The cross beam module is used for supporting a calibration element. The camera assembly is mounted on the cross beam module. The camera assembly is used for capturing wheel information of a vehicle. By means of the structure, the vehicle measurement device can not only calibrate an ADAS, but also perform four-wheel positioning, so that it is unnecessary to purchase two devices, and the cost is reduced. At the same time, the vehicle does not need to be moved to two stations for maintenance, so that the maintenance efficiency is improved, and the device is more convenient to use.
A charging control method, a charging control device, and a charging device. The charging control method is applied to the charging device, and the charging device is configured to charge an electric vehicle. The charging control method comprises: obtaining a charging current of a battery of the electric vehicle during a charging process; obtaining an electric quantity data value of the battery on the basis of the charging current of the battery and a correspondence between the charging current and the electric quantity data value of the battery; and controlling the charging process of the battery on the basis of the electric quantity data value. By means of the charging control method, the charging process of the battery can be controlled in a relatively simple manner, and the service life of the battery is prolonged.
An electric quantity state acquisition method and apparatus, a charging apparatus, and a charging system. The electric quantity state acquisition method is applied to a charging apparatus. The charging apparatus is used for charging an electric vehicle (10). The electric quantity state acquisition method comprises: acquiring, by means of a VCI device (20), an initial electric quantity data value when the electric vehicle (10) just starts to be charged; acquiring a charging current of a battery (12) of the electric vehicle during the charging process; and on the basis of the charging current, acquiring an electric quantity data value of the battery (12) at the present moment, wherein the electric quantity data value is used for indicating an electric quantity state of the battery (12) at the present moment. By means of the method, the electric quantity data value of the battery (12) during the charging process can be obtained in real time.
A connector of a storage battery and a detection system and method for the storage battery. The connector (1) of the storage battery (5) comprises an upstream interface (10), a power module (20) connected to a power pin (101), a downstream connection unit (30), a signal transceiver (40), and a controller (50). The downstream connection unit (30) comprises a power connection (301), a control connection (302), and a communication connection (303). Both the power connection (301) and the control connection (302) are connected to the power module (20), and the communication connection (303) is connected to a communication pin (102). The communication connection (303) is configured to receive, by means of the communication pin (102), a detection signal sent by an automobile diagnostic instrument (2), and send the detection signal to a BMS (4), so that the BMS (4) obtains battery information of the storage battery (5) according to the detection signal. The communication connection (303) is configured to receive the battery information sent by the BMS (4), and send the battery information to the automobile diagnostic instrument (2), so that the automobile diagnostic instrument (2) detects the storage battery (5) according to the battery information. The controller (50) is configured to receive, by means of the signal transceiver (40), an activation signal sent by the automobile diagnostic instrument (2), and activate the BMS (4), so as to detect the storage battery (5) in an offline state.
G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge
29.
AUTOMOBILE REPAIR RESOURCE ACQUISITION METHOD, CLOUD PLATFORM AND ELECTRONIC DEVICE
An automobile repair resource acquisition method, comprising: acquiring a resource acquisition request, which is sent by a resource request device, wherein the resource request device is used for locally providing an automobile repair service for an automobile; determining a target resource providing device according to the resource acquisition request, wherein the target resource providing device is used for remotely providing a target automobile repair resource for the automobile; establishing a data transmission channel between the target resource providing device and the resource request device; and acquiring the target automobile repair resource, which is sent by the target resource providing device, and transmitting the target automobile repair resource to the resource request device by means of the data transmission channel. Further disclosed are a cloud platform, an electronic device and a computer-readable storage medium.
A battery state of health calculation method, relating to the technical field of new energy vehicles. The method comprises: in response to a charging start operation, acquiring vehicle information of a vehicle to be charged (101); determining a target battery capacity of said vehicle according to the vehicle information (102); in response to a charging end operation, acquiring a charging parameter of a charging device and SOC information of said vehicle in a target charging period (103), wherein the target charging period comprises a time period between the charging start operation and the charging end operation; and determining a battery state of health of said vehicle according to the charging parameter, the SOC information, and the target battery capacity (104). The battery state of health calculation method improves the battery state of health determination efficiency. Also provided is a related device of the battery state of health calculation method.
The present invention relates to the technical field of vehicle diagnosis. Disclosed is a WiFi connection method, which is applied to a vehicle diagnosis system. The vehicle diagnosis system comprises a vehicle diagnosis device and a vehicle connection device, wherein the vehicle connection device comprises a first station (STA), and the vehicle diagnosis device comprises a wireless access point. The method comprises: when detecting the presence of a vehicle diagnosis device to be connected, a vehicle connection device acquiring information of a wireless access point of the vehicle diagnosis device; the vehicle connection device querying, according to the information of the wireless access point, whether the wireless access point is in a WiFi list; if so, the vehicle connection device initiating a WiFi connection to the wireless access point by means of the first STA; when WiFi connection succeeds, the vehicle connection device sending a diagnosis communication request to the vehicle diagnosis device; and after receiving the diagnosis communication request, the vehicle diagnosis device allowing the diagnosis communication request, so as to establish communication between the vehicle diagnosis device and the vehicle connection device. By means of the present invention, the effects of simple connection and high efficiency are realized.
H04W 4/40 - Services spécialement adaptés à des environnements, à des situations ou à des fins spécifiques pour les véhicules, p. ex. communication véhicule-piétons
32.
VEHICLE COMMUNICATION DEVICE, WIFI CONNECTION METHOD AND VEHICLE DIAGNOSTIC SYSTEM
The present application relates to the technical field of vehicle diagnostics. Disclosed are a vehicle communication device, a WiFi connection method and a vehicle diagnostic system. The vehicle communication device comprises a measurement module and a VCI module, wherein the measurement module comprises a measurement unit, a first controller and a first communication module; and the VCI module comprises a second controller, a physical connection circuit, a second communication module and a vehicle communication module. The measurement unit can measure a vehicle, the first communication module can establish a communication connection between the first controller and a diagnostic device, the physical connection circuit can establish a physical communication connection between the first controller, the second controller and the diagnostic device, the second communication module can establish a communication connection between the second controller and the diagnostic device, and the vehicle communication module can establish a communication connection between the second controller and the vehicle. Since a vehicle communication module integrates a communication function and a measurement function, vehicle diagnostics are more comprehensive.
H04W 4/40 - Services spécialement adaptés à des environnements, à des situations ou à des fins spécifiques pour les véhicules, p. ex. communication véhicule-piétons
A tire pressure sensor, comprising: a housing (10), a fixed base (11) being provided in the housing; the fixed base being provided with an accommodation recess (111) having an upward opening; a vent hole (112) penetrated to the exterior of the housing being provided on the bottom wall of the accommodation recess; a circuit board (20) fixed in the housing, the circuit board being provided with a tire pressure detection chip, and the tire pressure detection chip being located in the accommodation recess, and being provided with a detection hole (211) at a position corresponding to the vent hole; an elastic sealing member (30) located between the bottom wall of the accommodation recess and the tire pressure detection chip, and being used for sealing a gap between the bottom wall of the accommodation recess and the tire pressure detection chip, and the elastic sealing member being provided with a communication hole communicated with the detection hole and the vent hole; and a flexible sealant (40) filled between the inner peripheral wall of the accommodation recess and the outer peripheral wall of the tire pressure detection chip, and between the inner peripheral wall of the accommodation recess and the outer periphery of the elastic sealing member.
An automobile diagnosis system (100) and method, and a cloud server (110). The system comprises a cloud server (110), an end-side device (130), and at least one edge node (120), wherein the cloud server (110) is in communication connection with each edge node (120), and is used for acquiring a diagnosis instruction, so as to generate diagnosis data and vehicle communication logic, and sending the diagnosis data and the vehicle communication logic to an edge node (120), which has the minimum communication delay with the end-side device (130); the edge node (120) is used for performing data interaction with the end-side device (130), so as to acquire a diagnosis result and send the diagnosis result to the cloud server (110); and the end-side device (130) is in communication connection with the edge node (120) and a vehicle (200), and is used for sending vehicle data of the vehicle (200) and the diagnosis result to the edge node (120).
The present application relates to the technical field of terminals, and discloses a groove depth measurement method, apparatus and system, and a laser measurement device. The method comprises: acquiring a first point cloud data set of a workpiece surface; generating a gradient absolute value sequence; determining a groove edge point sequence; determining a left edge point and a right edge point of each groove; fitting a groove upper reference line of each groove according to upper plane reference points of left and right edges of each groove; and calculating the groove depth of each groove on the workpiece surface according to the groove upper reference line and a groove bottom reference point. On the one hand, the present application can better position each groove by generating the gradient absolute value sequence to generate the groove edge point sequence and further determining the left edge point and right edge point of each groove; and on the other hand, the present application can improve the accuracy of measurement by fitting the groove upper reference line of each groove and calculating, in combination with the groove bottom reference point, the groove depth of each groove on the workpiece surface.
Disclosed is a vehicle remote diagnosis system (100) and method, which relate to the technical field of vehicle diagnosis. The vehicle remote diagnosis system (100) comprises a local VCI device (10), a remote VCI device (20), a vehicle battery simulator (30) and a vehicle diagnosis instrument (40), wherein the local VCI device (10) is connected to a vehicle (200); the remote VCI device (20) is in communication connection with the local VCI device (10); the vehicle battery simulator (30) is connected to the remote VCI device (20), and the vehicle battery simulator (30) can simulate the voltage of a battery of the vehicle (200) to supply power to the remote VCI device (20); the vehicle diagnosis instrument (40) is connected to the remote VCI device (20); and the vehicle diagnosis instrument (40) can send a diagnosis command to the vehicle (200) by means of the remote VCI device (20) and the local VCI device (10), so as to acquire diagnosis data, which is fed back by the vehicle (200) on the basis of the diagnosis command. The voltage of the battery of the vehicle (200) is simulated to supply power to the remote VCI device (20), such that the stability and success rate of vehicle remote diagnosis can be improved.
A millimeter wave car-reversing radar (100). An antenna board (2) capable of transmitting and receiving millimeter wave signals is provided and the antenna board (2) and a power board (3) are respectively provided on both sides of a heat dissipation support (1), a radar interface terminal (5) is configured to be electrically connected to the power board (3), and a housing (4) is provided for accommodating and fixing components such as the power board (3), so that the millimeter wave car-reversing radar (100) can not only penetrate components such as a bumper (8), and even if the millimeter wave car-reversing radar is mounted on a car frame (7), detection and car reversing and parking prompt reminding functions of the radar are likewise not affected. Therefore, stable car reversing and parking etc. prompt reminding functions can be provided for a driver having a driving license without destroying the aesthetic degree of the appearance of the car, and the heat dissipation support (1) has both heat dissipation and loading and supporting functions; the radar is small and compact in structure, and can be conveniently mounted on the car frame (7) or at a narrow gap of a chassis etc.
G01S 13/931 - Radar ou systèmes analogues, spécialement adaptés pour des applications spécifiques pour prévenir les collisions de véhicules terrestres
H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
B60R 19/48 - Pare-chocs, c.-à-d. éléments pour recevoir ou absorber les chocs pour protéger les véhicules ou dévier les chocs provenant d'autres véhicules ou objets combinés avec d'autres dispositifs ou d'autres objets ou convertibles en ces derniers, p. ex. pare-chocs combinés avec des balais ou convertibles en lits
38.
MILLIMETER WAVE RADAR AND AUTOMOBILE DRIVING CONTROL SYSTEM
A millimeter wave radar (100) and an automobile driving control system. The millimeter wave radar (100) comprises a radome (10), an antenna board (20), a metal middle frame (30), a main control board (40) and a base (50) which are sequentially arranged. An image acquisition module (41) is provided on one side of the main control board (40) facing the radome (10). The antenna board (20) is provided with a radar transceiver control module (21) and is electrically connected to the main control board (40). The metal middle frame (30) is provided with a notch (31) through which the image acquisition module (41) passes. The radome (10) is made of a material through which radar waves emitted by the antenna board (20) can pass; the radome (10) is connected to the base (50); the main control board (40), the antenna board (20) and the metal middle frame (30) are located in a space enclosed by the radome (10) and the base (50); and the radome (10) is provided with a through-hole (11) which communicates with the notch (31) so that the image acquisition module (41) extends outside of the through-hole (11). By means of the described method, a detection range which has a large angle is achieved, and the identification accuracy of a detected object is improved.
Embodiments of the present invention relate to the technical field of automobile radar fixing, and in particular to an automobile millimeter-wave radar fixing device and an automobile. The automobile millimeter-wave radar fixing device comprises: a first clamping housing, the first clamping housing being U-shaped, and having one end provided with a first rotatable connection structure and the other end provided with a first fixed connection structure; a second clamping housing, the second clamping housing being U-shaped, having one end provided with a second rotatable connection structure and the other end provided with a second fixed connection structure, the second rotatable connection structure being rotatably connected to the first rotatable connection structure, the second fixed connection structure being fixedly connected to the first fixed connection structure, and a clamping space being formed between the first clamping housing and the second clamping housing; and an angle adjusting support, fixed to the second clamping housing and used for fixing and adjusting an angle of the millimeter-wave radar. In this way, the automobile millimeter-wave radar fixing device in the embodiments of the present invention can enhance the stability of the millimeter-wave radar when the millimeter-wave radar is fixed on the automobile, and achieves quick assembly of the millimeter-wave radar.
A vehicle-mounted radar adjusting device and a vehicle-mounted radar device. The vehicle-mounted radar device comprises a vehicle-mounted radar adjusting device (100) and a radar (200); the vehicle-mounted radar device is used for installing the radar (200); the vehicle-mounted radar adjusting device (100) comprises a first mounting plate (11), a second mounting plate (12), movable portions (21), driving portions (22), and a controller (30); the second mounting plate (12) is spaced apart from the first mounting plate (11) in a vertical direction; one end of each movable portion (21) is movably connected to the second mounting plate (12); the other end of the movable portion (21) is connected to the driving portion (22); the controller (30) is electrically connected to the driving portion (22); and the controller (30) can control the driving portion (22) to drive the movable portion (21) to drive the second mounting plate (12) to rotate about a horizontal direction relative to the first mounting plate (11), so as to adjust a horizontal angle of the radar (200).
A bus data analysis method, applied to an automobile diagnosis system. The automobile diagnosis system is used for obtaining communication data on each automobile bus, and the automobile buses are used for communication among electronic control units of an automobile. The method comprises: obtaining a query request of a user, the query request carrying target bus information (110); collecting communication data of a target bus according to the target bus information, the target bus being any one or more of buses in automobile buses (120); analyzing the communication data to obtain an analysis result (130); generating display content according to the analysis result and a preset display mode (140); and displaying the display content to the user (150). The present invention achieves the effective analysis of the communication quality.
Embodiments of the present invention relate to the technical field of vehicle detection devices, and disclosed are an alignment target and a four-wheel alignment system. The alignment target comprises: a target plate, the target plate being provided with a position indication pattern, and the position indication pattern being used for indicating position information of the alignment target; a flexible protective member, the flexible protective member being arranged around the periphery of the target plate; and a housing, the housing comprising a main body portion and a frame arranged around the periphery of the main body portion, the frame enclosing an accommodating space, the target plate and the flexible protective member being disposed in the accommodating space, the flexible protective member being located between the target plate and the housing, and the flexible protective member being used for buffering an interaction force between the housing and target plate. In this way, according to the embodiments of the present invention, the problem of deformation or even breakage of the target due to vibration, collision or falling is avoided, and the service life of a product is prolonged.
G01B 5/255 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour tester l'alignement des axes pour tester l'alignement des roues
G01B 5/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques
A four-wheel alignment testing device (100), comprising: a base (110); a vertical frame (120), having one end fixedly connected to the base (110) and being vertically arranged relative to the base (110); a cross beam (130) arranged perpendicular to the vertical frame (120) and connected to the vertical frame (120); a left moving arm (140) and a right moving arm (150), which are respectively arranged at two ends of the cross beam (130) and can slide in a lengthwise direction of the cross beam (130); control components (160, 170, 180) for controlling the left moving arm (140) and the right moving arm (150) to synchronously slide towards or away from each other; and a left camera assembly (190) and a right camera assembly (200) respectively mounted at the ends of the left moving arm (140) and the right moving arm (150) away from the cross beam (130). By means of providing the control components (160, 170, 180), the left moving arm (140) and the right moving arm (150) synchronously slide towards or away from each other, and thus a wheel target is quickly positioned in the field of view of the left camera assembly (190) and the right camera assembly (200), thereby effectively improving the testing efficiency of wheel alignment of a vehicle.
G01B 21/26 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des angles ou des conicitésDispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour tester l'alignement des axes pour tester l'alignement des roues
44.
POSITIONING ASSIST DEVICE AND POSITIONING ASSIST METHOD
A positioning assist device, comprising: a first fixator (10), which is installed on a front wheel on one side of an automobile; a second fixator (20), which is installed on a rear wheel on the same side of the automobile; a first connecting rod (30), which is connected between the first fixator (10) and the second fixator (20), wherein the vertical plane, where a center line (O1) in a lengthwise direction of the first connecting rod (30) is located, is parallel to the center axis plane of the automobile; a second connecting rod (40), which is arranged to be perpendicular to the first connecting rod (30); a horizontal reference rod (50), which is installed on the second connecting rod (40) and can rotate around the second connecting rod (40); and a laser device (60), which is movably installed on the horizontal reference rod (50), wherein the horizontal angle, relative to the horizontal reference rod (50), of the laser device (60) can be adjusted to be the angle, relative to the central axis surface of the automobile, of the energy receiving and transmitting surface for installing a radar assembly when the radar assembly to be installed is installed on one side of the automobile. By means of the positioning assist device, the installation position, of the radar assembly to be installed, on one side of the automobile can be determined by adjusting the laser device and the horizontal reference rod, convenience and rapidness are achieved, and installation precision is high. Further disclosed is a positioning assist method.
A tire pressure sensor information processing method comprising: step 210, determining a tire position to be reset, the tire position to be reset being a tire position having corresponding tire pressure sensor identity information in a tire pressure monitoring system that needs to be cleared; step 220, generating false identity information for a tire pressure sensor of the tire position to be reset; step 230, after the tire pressure monitoring system enables a learning mode, sending the false identity information to the tire pressure monitoring system, so as to cause the tire pressure monitoring system to update identity information of the tire pressure sensor of the tire position to be reset to the false identity information; step 240, obtaining real identity information of a tire pressure sensor of a tire position to be matched; and step 250, sending the real identity information to the tire pressure monitoring system, so as to cause the tire pressure monitoring system to update identity information of the tire pressure sensor of the tire position to be matched to the real identity information. By means of the present method, the success rate of tire pressure sensor matching can be effectively improved. Further disclosed are a tire pressure sensor information processing apparatus and a device.
Embodiments of the present invention relate to the technical field of workpiece measurement, and in particular, to a method for determining the surface wear of a workpiece, and a system. The method comprises: according to a point cloud map, determining a wear category to which the surface wear of a workpiece to be tested belongs, determining a pre-trained subdivision category identification model corresponding to the wear category, and then using the subdivision category identification model to identify a subdivision category to which the surface wear of said workpiece belongs, determining a measurement algorithm corresponding to the subdivision category, and finally, determining the degree of wear according to the measurement algorithm. That is, on the basis that different application scenarios have different point cloud maps reflecting the wear, the wear is preliminarily divided according to the point cloud maps, and the wear is subdivided by using an artificial intelligence-based subdivision category identification model, so as to accurately determine a measurement method conforming to the application scenario, so that an unworn point and a wear area can be accurately determined in various complex application scenarios, and the measurement precision of the degree of the surface wear of said workpiece is improved.
The present invention relates to an automobile bus fault analysis method, a diagnosis device, and an automobile bus fault analysis system. The method comprises: firstly, obtaining a communication state of an automobile by means of a data connection interface of the automobile; then according to the communication state of the automobile, determining whether a bus of the automobile needs to be subjected to fault analysis; if the bus of the automobile needs to be subjected to fault analysis, determining a bus type of the bus; and finally determining a fault analysis solution for the bus according to the bus type. Therefore, according to the method, whether the bus of the automobile needs to be subjected to fault analysis can be automatically determined according to the communication state of the automobile, and when the bus needs to be subjected to fault analysis, a corresponding fault analysis solution is determined according to the bus type of the bus; different fault analysis solutions are determined for different bus types, the method is strong in pertinence, fault analysis is automatically completed, the analysis efficiency is improved, and the analysis method reduces user intervention, is simple to operate and convenient to use, thereby improving the user experience.
G01R 31/00 - Dispositions pour tester les propriétés électriquesDispositions pour la localisation des pannes électriquesDispositions pour tests électriques caractérisées par ce qui est testé, non prévues ailleurs
48.
QUOTE DISPLAY METHOD AND APPARATUS FOR FAULTY AUTOMOBILE ACCESSORY, AND ELECTRONIC DEVICE
The embodiments of the present invention relate to the technical field of automobile repairing. Disclosed are a quote display method and apparatus for a faulty automobile accessory, and an electronic device. Said method comprises: an automobile repair terminal acquiring a parameter test value of an automobile accessory, and sending the parameter test value to a test server; the test server sending the parameter test value to a big data platform; the big data platform determining a target keyword according to the parameter test value and a parameter standard value, and sending the target keyword to the test server; the test server sending the target keyword to the automobile repair terminal; the automobile repair terminal sending the target keyword to a quote server; the quote server determining, according to the target keyword, the accessory information and accessory quote of a target automobile accessory, and sending the accessory information and the accessory quote to the automobile repair terminal; and the automobile repair terminal displaying the accessory information and the accessory quote. In this way, the embodiments of the present invention achieve automatic display of the accessory information and accessory quote of a target automobile accessory.
A vehicle breakdown prompt information acquiring method, relating to the technical field of automobile detection, and comprising: acquiring user description information, vehicle information, and diagnostic detection data (110); extracting, according to the user description information, a target keyword matching the user description information, and extracting a target diagnostic trouble code and a target vehicle model according to the user vehicle information (120); analyzing the diagnostic detection data, and determining first abnormal item data from the diagnostic detection data (130); determining candidate prompt information according to the first abnormal item data and preset prompt information (140); matching, according to the target keyword, the target diagnostic trouble code, and a preset correspondence, target prompt information from the candidate prompt information (150), the preset correspondence referring to a correspondence between a plurality of diagnostic trouble codes, the target vehicle model, and potential abnormality information; and sending the target prompt information to a user equipment (160). The method provides an intuitive breakdown diagnosis result.
The present application relates to the technical field of automobile inspection. A synchronous screen display method, which is applied to a vehicle measurement system. The vehicle measurement system comprises a control end (10), a controlled end (20) and a vehicle measurement support, wherein the control end (10) is wirelessly connected to the controlled end (20). The method comprises: a controlled end (20) receiving a vehicle image sent by a camera component (110); the controlled end (20) sending the vehicle image to a control end (10) (120); the control end (10) determining a vehicle measurement result according to the vehicle image (130); the control end (10) determining a display interface for displaying the vehicle measurement result, and determining a synchronous display identification code corresponding to the display interface (140); the control end (10) sending the vehicle measurement result and the synchronous display identification code to the controlled end (20) (150); and according to the synchronous display identification code, the controlled end (20) calling the display interface corresponding to the synchronous display identification code, and displaying the vehicle measurement result on the display interface (160). The beneficial effect of real-time synchronous screen display between a controlled end (20) and a control end (10) is achieved.
G01B 21/26 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des angles ou des conicitésDispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour tester l'alignement des axes pour tester l'alignement des roues
51.
VEHICLE BUS TOPOLOGICAL GRAPH DISPLAY METHOD AND APPARATUS, AND DEVICE
The embodiments of the present invention relate to the technical field of vehicle maintenance and repair, and in particular to a vehicle bus topological graph display method and apparatus, and a device. In the method, display priorities are set for vehicle buses of various types, display weights of different display areas of a display interface are acquired, and the buses with different display priorities are displayed in different display areas, such that a user can conveniently view the buses, and the ease of use by the user is improved.
G06F 30/18 - Conception de réseaux, p. ex. conception basée sur les aspects topologiques ou d’interconnexion des systèmes d’approvisionnement en eau, électricité ou gaz, de tuyauterie, de chauffage, ventilation et climatisation [CVC], ou de systèmes de câblage
52.
AUTOMATIC CONSTRUCTION METHOD AND APPARATUS FOR AUTOMOBILE BUS TOPOLOGY MAP, AND COMPUTING DEVICE
An automatic construction method and apparatus for an automobile bus topology map, relating to the technical field of vehicle detection. The method comprises: obtaining automobile bus data and electronic control unit data (S11); performing bus layout according to the automobile bus data and the electronic control unit data, and constructing an automobile bus topology map framework (S12); and performing layout on an electronic control unit according to the automobile bus topology map framework to generate an automobile bus topology map (S13). By means of the method, personalized bus layout can be supported, a complex bus relationship can be supported, more vehicle model coverage can be supported while the accuracy of the topology map is maintained, and the development difficulty of diagnostic tools can be reduced.
Disclosed is an automobile communication interface device, comprising: a housing provided with a sliding cavity, a sliding opening, and a button opening, both the sliding opening and the button opening being communicated with the sliding cavity; the button opening being located on one side wall of the sliding cavity; an antenna accommodated in the sliding cavity and capable of sliding along the sliding cavity, so that one end of the antenna can extend or retract from the sliding opening; a clamping block being provided on the side wall of the antenna; a first elastic member, one end of the first elastic member being fixed to the sliding cavity, and the other end of the first elastic member abutting against the other end of the antenna; and a button located at the button opening. When the antenna is retracted in the sliding cavity and the button is fitted to the clamping block, the antenna is fixed in the sliding cavity, and when being stressed and slides towards the sliding cavity, the button is detached from the clamping block, and the antenna is pushed by the first elastic member to slide towards the sliding opening, so that one end of the antenna extends out of the sliding opening. In this way, the antenna or the button can be pressed according to requirements so as to fold or unfold the antenna, so that the antenna is prevented from being fixedly exposed to the outside and easily broken, and the antenna is more convenient to use.
A method and apparatus (300) for positioning a leaking cylinder in an engine (60), and an oscilloscope (40). The method comprises: determining a calibration cylinder and a physical location of the calibration cylinder; acquiring a waveform of an output voltage of the engine power supply (70) and a waveform of a firing signal of the calibration cylinder; identifying a first preset waveband in the waveform of the firing signal, and determining a waveband time corresponding to the first preset waveband; identifying second preset wavebands in the waveform of the output voltage, classifying the second preset wavebands, and determining a cylinder identifier corresponding to each type of the second preset wavebands; sorting the cylinder identifiers to generate a cylinder identifier sequence, and determining a first sequence position and a second sequence position in the cylinder identifier sequence; and determining a physical location of the leaking cylinder in the engine (60) according to a preset firing sequence of multiple cylinders (1, 2, 3, 4), the first sequence position, the second sequence position, and the physical location of the calibration cylinder in the engine (60).
A method, apparatus and device for detecting vehicle start-up, and a computer storage medium. The method comprises: monitoring whether a target vehicle is vibrating (101); when monitored that the target vehicle is vibrating, acquiring an OBD voltage of the target vehicle (102); determining whether there is fluctuation in the OBD voltage (103); if determined that there is fluctuation in the OBD voltage, acquiring OBD communication data of the target vehicle (104); and determining, according to the OBD communication data, whether the target vehicle is started up (105). Thus, the efficiency and accuracy of vehicle detection are improved.
Vehicle inspection equipment (100), comprising: a support assembly (110); a cross beam assembly (120), mounted on the support assembly (110), the cross beam assembly (120) being horizontally disposed; a first camera assembly (130) mounted at one end of the cross beam assembly (120) and configured to acquire a first image of a wheel located on one side of a vehicle to be inspected; a second camera assembly (140) mounted at the other end of the cross beam assembly (120) and configured to acquire a second image of a wheel located on the other side of the vehicle to be inspected; a processor which is separately electrically connected to the first camera assembly (130) and the second camera assembly (140), and is configured to determine, according to the first image and the second image, wheel parameters of the vehicle to be inspected; and a display assembly (150) mounted on the support assembly (110) and configured to display a calibration pattern, the calibration pattern being used for assisting in calibrating a sensor in the vehicle to be inspected.
F16M 11/04 - Moyens pour la fixation des appareilsMoyens permettant le réglage des appareils par rapport au banc
F16M 11/10 - Moyens pour la fixation des appareilsMoyens permettant le réglage des appareils par rapport au banc permettant la rotation autour d'un axe horizontal
F16M 11/18 - Têtes des supports avec mécanisme déplaçant les appareils par rapport au banc
F16M 11/28 - Soubassements pour supports à pilier télescopique unique
F16M 11/42 - Appuis ou tréteaux en tant que supports pour appareils ou objets avec dispositions pour mouvoir le support
H04N 5/232 - Dispositifs pour la commande des caméras de télévision, p.ex. commande à distance
H04N 7/18 - Systèmes de télévision en circuit fermé [CCTV], c.-à-d. systèmes dans lesquels le signal vidéo n'est pas diffusé
H04N 9/31 - Dispositifs de projection pour la présentation d'images en couleurs
G01B 11/275 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes pour tester l'alignement des roues
A vehicle bus topological graph generation method and apparatus, which relate to the technical field of vehicle testing. The method comprises: acquiring vehicle information of a vehicle and an electronic control unit list configured by the vehicle (S11); determining, according to the vehicle information, a topological graph template corresponding to the vehicle information, wherein the topological graph template is classified according to connection features, the connection features comprise a connection relationship between nodes and a connection relationship between buses, and the nodes are used for representing an electronic control unit and a diagnostic interface with an external device (S12); and generating and displaying a vehicle bus topological graph according to the electronic control unit list configured by the vehicle and the topological graph template (S13). A layout configuration rule can be optimized, a dynamic change in a unit state and a click event are supported, the dynamic interaction capability of a topological graph is realized, the topological graph is concise and algorithm implementation is facilitated, and the use efficiency of the topological graph is improved.
The embodiments of the present invention relate to the technical field of oscilloscopes. Disclosed is a signal processing system in an oscilloscope. The signal processing system comprises a signal sampling module and at least one register and accumulation module, wherein the register and accumulation module comprises a first register, a second register and a first accumulator; the signal sampling module is used for receiving an analog signal and performing sampling according to the analog signal to generate a digital sampling signal; the first register is used for sequentially receiving a first temporarily stored sampling signal and a second temporarily stored sampling signal, for sending the first temporarily stored sampling signal to the first accumulator and the second register respectively, and for sending the second temporarily stored sampling signal to the first accumulator; the second register is used for receiving the first temporarily stored sampling signal and sending the first temporarily stored sampling signal to the first accumulator; and the first accumulator is used for accumulating the first temporarily stored sampling signal and the second temporarily stored sampling signal, so as to obtain a first accumulated signal. In this way, by means of the embodiments of the present invention, the beneficial effect of enhancing signal resolution is realized.
Disclosed in embodiments of the present invention is a check device, comprising: a check device body; and a base, comprising a first base body, a second base body, and a locking mechanism. The check device body is mounted on the first base body; at least part of the second base body can be accommodated in an inner cavity of the first base body; the first base body comprises a first sliding member; the second base body comprises a second sliding member; the first sliding member works in conjunction with the second sliding member, such that the second base body can move with respect to the first base body; at least part of the second base body can be accommodated in or can extend out of the inner cavity of the first base body; and the locking mechanism is used for locking the second base body with respect to the first base body, such that the at least part of the second base body is accommodated in the inner cavity of the first base body, and unlocking the second base body with respect to the first base body, such that the at least part of the second base body extends out of the inner cavity of the first base body. By means of the mode, the check device can be used for checking a brake disc of a vehicle and can also check a tread surface of a tire, and is stable and effective.
An automobile bus fault positioning method, a diagnostic device (100), and an automobile detection system and method, relating to the technical field of terminals, the automobile bus fault positioning method comprising: acquiring a topology network between electronic control units in an automobile, the electronic control units being connected by means of a bus (S10); determining reference nodes in the topology network, the reference nodes comprising a first reference node and/or a second reference node (S20); on the basis of the reference nodes, determining key nodes, two mutually non-communicating network sections being present in the topology network when a key node is in a disconnected state in the topology network (S30); and, when a given key node is disconnected, detecting that there is a fault in one network section of the two network sections, and positioning the fault in said network section (S40). By means of determining the key nodes and locating the network section in which the fault is located, the efficiency of automobile fault positioning can be increased.
G01R 31/58 - Test de lignes, de câbles ou de conducteurs
G01R 31/00 - Dispositions pour tester les propriétés électriquesDispositions pour la localisation des pannes électriquesDispositions pour tests électriques caractérisées par ce qui est testé, non prévues ailleurs
61.
BRAKE DISC WEAR DEGREE MEASURING METHOD, APPARATUS AND DEVICE
A brake disc wear degree measuring method, apparatus and device, relating to the technical field of measurement. The method comprises: obtaining a brake disc image comprising a laser pattern (110); extracting the laser pattern from the brake disc image, and generating a projection depth point cloud map according to the extracted laser pattern (120); identifying the projection depth point cloud map by means of a point cloud map identification model to obtain a matching sample, and determining a measurement feature of the matching sample as a measurement feature of the projection depth point cloud map (130); determining a position of a reference point in the projection depth point cloud map according to the measurement feature (140); determining a position of a measurement point in the projection depth point cloud map according to the measurement feature (150); and determining, according to the position of the reference point and the position of the measurement point, a difference value of the laser projection depths of the reference point and the measurement point, wherein the difference value is used for representing a wear degree index of a brake disc (160). By means of the method, accurate measurement of the wear degree of brake discs is implemented.
The embodiments of the present invention relate to the technical field of serial buses. Disclosed are an IIS bus decoding method and apparatus, an oscilloscope, and a computer-readable storage medium. Said method comprises: acquiring a trigger level threshold and a trigger retard amount of each piece of data among three pieces of data of an IIS bus; determining, as a rising edge trigger level of the piece of data, the sum of the trigger level threshold and the trigger retard amount of each piece of data among the three pieces of data, and determining, as a falling edge trigger level of the piece of data, a difference between the trigger level threshold and the trigger retard amount of each piece of data; acquiring a start level of each piece of data, and detecting a level signal of each piece of data according to the start level, the rising edge trigger level and the falling edge trigger level of each piece of data, so as to acquire the level change time of each piece of data; and decoding the IIS bus according to the start level and the level change time of each piece of data. By means of said method, the embodiments of the present invention achieve accurate decoding of IIS buses.
The embodiments of the present invention relate to the technical field of automobile test. Disclosed is a client for automobile part test, comprising: a selection module configured to receive test information inputted by a user, the test information comprising a target detection mode; a detection setting module configured to set, according to the target detection mode, test parameters corresponding to an automobile part to be tested; a photographing module configured to control, when a laser device of an automobile part test apparatus emits laser light, a camera device of the automobile part test apparatus to take a picture of said automobile part, so as to obtain a target automobile part picture corresponding to the test parameters; a communication module configured to send the target automobile part picture and the test parameters to a local server, and further configured to receive target wear data calculated by the local server according to the target automobile part picture and the test parameter parameters; and a display module configured to display target wear data corresponding to the target automobile part picture. By means of said method, the embodiments of the present invention achieve the effect of improving the efficiency of testing the wear degree of automobile parts.
G06F 16/538 - Présentation des résultats des requêtes
G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
G06K 9/62 - Méthodes ou dispositions pour la reconnaissance utilisant des moyens électroniques
64.
LEAKAGE MEASUREMENT METHOD AND APPARATUS FOR ENGINE CYLINDER AND OSCILLOSCOPE
The embodiments of the present invention relate to the technical field of automobile engines, and disclose a leakage measurement method and apparatus for an engine cylinder, and an oscilloscope. The method comprises: determining the idling voltage of an engine; calculating the critical voltage according to the idling voltage, and determining a start time and a stop time of the engine for startup according to the critical voltage; saving the coordinates of wave peaks to a first array; calculating a volt value difference corresponding to each coordinate in the first array, and saving the volt value differences to a second array; according to an ignition cycle of the engine, determining a cylinder corresponding to each volt value difference in the second array, generating a volt value difference sequence of each cylinder, and calculating the relative pressure of each cylinder according to the volt value difference sequence; determining the maximum value of the relative pressure, and determining that a cylinder corresponding to the maximum value is the cylinder with the least leakage; and determining the leakage degree of other cylinders according to the percentage of the relative pressure of the other cylinders relative to the maximum value. By means of the manner above, cylinder leakage is accurately measured in the embodiments of the present invention.
G01M 3/26 - Examen de l'étanchéité des structures ou ouvrages vis-à-vis d'un fluide par utilisation d'un fluide ou en faisant le vide par mesure du taux de perte ou de gain d'un fluide, p. ex. avec des dispositifs réagissant à la pression, avec des indicateurs de débit
G01M 15/08 - Test des moteurs à combustion interne par contrôle de la pression dans les cylindres
A vehicle detection system, comprising a bracket (3), a camera assembly (2), and a transmission assembly (1). The transmission assembly (1) comprises a base (100), a motor (200), a first pulley (300), a second pulley (400), a timing belt (500), and a tensioning adjustment assembly (600). A motor main body (210) of the motor (200) is detachably mounted on the base (100). The first pulley (300) is mounted on an output shaft (220) of the motor (200). The second pulley (400) is mounted on the base (100). The timing belt (500) is wound around the first pulley (300) and the second pulley (400). The tensioning adjustment assembly (600) comprises an pushing member (610) and a driving member (620). The pushing member (610) is disposed between the motor main body (210) and the second pulley (400). The driving member (620) is used for driving the pushing member (610) to move or deform, so that one end of the pushing member (610) close to the motor main body (210) has a displacement in a set direction, so as to abut against the motor main body (210) and adjust a gap between the two pulleys (300, 400). By controlling one end of the pushing member (610) to move to a specific position, the transmission assembly (1) of the vehicle detection system can solve the problem of the poor consistency of the tensioning degree of the timing belt (500) when a timing belt mechanism is assembled in the vehicle detection system industry.
Embodiments of the present invention relate to the technical field of vehicles, and disclosed are a line laser-based method and apparatus for measuring the depth of a tread groove, and a computing device. The method comprises: obtaining a laser line image formed by projecting a laser line on the surface of a tire to be measured, and rotating a pixel coordinate of the laser line of the laser line image to obtain an original 2D point cloud image of the laser line in a laser coordinate system; rotating pixel points of the original 2D point cloud image in parallel to obtain point cloud data, so that a straight line fitted by the pixel points in the point cloud data located on the surface of treads is parallel to a horizontal X axis; positioning a tread groove by using a gradient analysis method according to the point cloud data; and calculating the depth of the tread groove by means of bilateral measurement or unilateral measurement according to the point cloud data. In the embodiments of the present invention, by means of the method, measurement of the depth of various tread grooves can be supported; moreover, the measurement accuracy is high, the measurement speed is fast, and the operation is convenient.
Provided is a calibration rack (100), comprising: a support frame assembly (110), the support frame assembly (110) comprising a first support frame (111) and a second support frame (112), and a connecting member (113) connecting the two; a rotary shaft (120), which is mounted between the first support frame (111) and the second support frame (112) and which can be rotated about a central axis, the central axis being a core axis; two first mounting members (130), disposed at the two ends of the rotary shaft (120), respectively, and used for mounting and supporting a first calibration target (300), the first calibration target (300) being provided with a calibration pattern used for calibrating a camera assembly in a four-wheel positioning instrument; two second mounting members (150), disposed at the two ends of the rotary shaft (120), respectively, and used for mounting and supporting a hub clamp assembly (400), the hub clamp assembly (400) comprising a hub clamp (410) and a second calibration target (420) mounted on the hub clamp (410); once the camera assembly in the four-wheel positioning instrument has been calibrated by means of the first calibration target (300), the camera assembly is also used for calibrating the hub clamp (410) on the second mounting member (150). Hence, mounting of the calibration target is achieved while it is also possible to mount the hub clamp assembly (400), thus reducing costs, conserving space, and making usage more convenient.
An automobile bus fault diagnosis method and apparatus, and a computing device, the method comprising: sending a communication command to an automobile; if a communication fault code fed back by an automobile control unit is received, then analysing the communication fault code and the power supply state of the automobile control unit; if a response signal fed back by a portion of the automobile control units is received, then analysing the layout attributes of the portion of the automobile control units, analysing the power supply state of the portion of the automobile control units on the basis of the layout attributes, determining a bus range to be measured on the basis of the layout attributes and the power supply state, and measuring bus electrical features in the bus range; and, if a response signal fed back by any automobile control unit is not received, then determining the bus range to be measured and measuring the bus electrical features in the bus range to locate the bus fault. The present solution can rapidly locate the specific position of an automobile bus faults, increasing the efficiency of user maintenance.
A method and system for measuring the wear of a workpiece plane. The method comprises: projecting laser rays onto a workpiece plane to be tested, and acquiring an image containing the laser rays (101); acquiring, according to the image, point cloud data related to the laser rays (102); determining, from the point cloud data, a consistency point set DSn located in a wear region, wherein DSn is a subset of Dn (103); performing fitting according to the consistency point set to obtain a reference line f(x,y) for representing the wear region (104); determining a rotation reference line f'(x',y') according to the slope of the reference line f(x,y) with respect to an x-axis, so that the slope of the rotation reference line f'(x',y'), with respect to the x-axis, is within an interval containing 0 (105); and determining the degree of wear of said workpiece plane according to the rotation reference line (106).
A vehicle detection method, apparatus (1000) and device. The vehicle detection method is applied to a vehicle detection system comprising an oscilloscope. The vehicle detection method comprises: acquiring vehicle information to be detected (210); acquiring and displaying a measurement item associated with the vehicle information (220); receiving a selection operation of a user for the measurement item so as to obtain a selected measurement item (230); acquiring and displaying measurement guide information corresponding to the selected measurement item so as to prompt the user to connect the vehicle detection system to the measurement item according to the measurement guide information (240); and when a measurement start instruction of the user is received, measuring the selected measurement item, and displaying a signal waveform corresponding to the measurement item (250). The vehicle detection method, apparatus (1000) and device may greatly reduce the use threshold of the vehicle detection system, improve the vehicle detection efficiency, simplify user operations, and improve the user experience.
G01R 31/00 - Dispositions pour tester les propriétés électriquesDispositions pour la localisation des pannes électriquesDispositions pour tests électriques caractérisées par ce qui est testé, non prévues ailleurs
71.
AUTOMOBILE KEY MATCHING METHOD AND APPARATUS, AND AUTOMOBILE COMMUNICATION INTERFACE DEVICE
The embodiments of the present invention relate to the technical field of automobiles, and in particular, to an automobile key matching method and apparatus, and an automobile communication interface device. Said method is applied to an automobile communication interface device. Said method comprises: acquiring, from an automobile to be matched, vehicle information of said automobile; sending the vehicle information to a cloud server, so that the cloud server queries an automobile key program and automobile key data which are related to the vehicle information; writing, by means of a low-frequency communication unit, the automobile key program and the automobile key data into an automobile key to be matched; acquiring anti-theft application data from said automobile; sending the anti-theft application data to the cloud server, so that the cloud server parses an anti-theft password according to the anti-theft application data; and receiving the anti-theft password sent by the cloud server, and sending a trigger request carrying the anti-theft password to said automobile, so as to trigger said automobile to start a matching mode. The present invention can achieve matching between the automobile to be matched and the automobile key to be matched by means of the vehicle communication interface device.
G07C 9/00 - Enregistrement de l’entrée ou de la sortie d'une entité isolée
B60R 25/24 - Moyens pour enclencher ou arrêter le système antivol par des éléments d’identification électroniques comportant un code non mémorisé par l’utilisateur
H04L 67/00 - Dispositions ou protocoles de réseau pour la prise en charge de services ou d'applications réseau
72.
AUTOMOBILE FAILURE DIAGNOSIS METHOD AND SYSTEM, AND AUTOMOBILE FAILURE DIAGNOSTIC UNIT
The present invention relates to the technical field of automobile diagnosis, and in particular to an automobile failure diagnosis method and system, and an automobile failure diagnostic unit. The method comprises: acquiring vehicle information and automobile failure information; uploading the vehicle information and the automobile failure information to a cloud server, and receiving a suspected failure source returned by the cloud server according to the vehicle information and the automobile failure information; a user performing an operation on the displayed suspected failure source to obtain a determined failure source; sending the determined failure source to the cloud server, and receiving detection procedure information returned by the cloud server according to the determined failure source; and performing automobile failure diagnosis according to the detection procedure information. By means of the embodiments provided in the present invention, the efficiency of automobile failure diagnosis can be effectively improved.
The embodiments of the present invention relate to the technical field of image processing. Disclosed are a laser pattern extraction method and apparatus, and a laser measurement device and system. The method comprises: acquiring a first laser image containing a laser pattern; identifying the brightness of a current application environment of a laser measurement device according to the first laser image; determining whether the brightness of the current application environment of the laser measurement device matches the first laser image; if the determination result is no, acquiring a second laser image matching the brightness of the current application environment of the laser measurement device; and extracting the laser pattern from the second laser image. By means of the method, the embodiments of the present invention improve the accuracy of laser pattern extraction in various scenes.
G01B 11/25 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes en projetant un motif, p. ex. des franges de moiré, sur l'objet
G01B 11/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques
G01B 11/14 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la distance ou la marge entre des objets ou des ouvertures espacés
A method for displaying a function menu interface of an automobile tyre pressure monitoring system (120), for use in a tyre pressure monitoring assistance tool (200), the tyre pressure monitoring assistance tool (200) comprising a radio frequency unit (230) and an OBD interface (240), the tyre pressure monitoring system (120) comprising a tyre pressure monitoring unit (121), the OBD interface (240) being communicatively connected to the tyre pressure monitoring unit (121), and the method comprising: S100: acquiring vehicle information of an automobile (100); S200: on the basis of the vehicle information, determining a candidate radio frequency communication protocol of the tyre pressure monitoring unit (121); S300: by means of the radio frequency unit (230) simulating the candidate radio frequency communication protocol, sending a radio frequency signal to the tyre pressure monitoring unit (121), the radio frequency signal comprising a sensor identification code and simulation measurement data; S400: if recorded measurement data corresponding to the sensor identification code is read in the tyre pressure monitoring unit (121) by means of the OBD interface (240), and the recorded measurement data is consistent with the simulation measurement data, then determining that the candidate radio frequency communication protocol is the actual radio frequency communication protocol of the tyre pressure monitoring unit (121); and S500: on the basis of the actual radio frequency communication protocol, displaying a function menu interface of the tyre pressure monitoring system (120). Also disclosed are an apparatus for displaying a function menu interface of an automobile tyre pressure monitoring system (120), a tyre pressure monitoring assistance tool (200), and a non-volatile computer readable storage medium. The radio frequency communication protocol of the tyre pressure monitoring unit (121) is unique and therefore, by means of the aforementioned method, the function menu interface of the automobile tyre pressure monitoring system (120) can be accurately positioned.
A hub clamping apparatus (900), comprising: two jaw assemblies (200) clamped to a hub; a driving module (100) connected to the two jaw assemblies (200), and comprising a guide assembly (120) and a driving member (110) connected to the guide assembly (120), the guide assembly (120) being used for guiding the two jaw assemblies (200) to move, and the driving member (110) being used for synchronously driving the two jaw assemblies (200) to get close to or away from each other for a same distance; a clamping module (400) mounted to the driving module (100), located in the center of the two jaw assemblies (200), and used for clamping an auxiliary calibration tool; and an adjustment module (300) connected to the driving module (100) and used for adjusting the positions of the two jaw assemblies (200), so that the two jaw assemblies (200) clamp the hub together, and the centerline axis of the clamping module (400) overlaps the central axis of the hub. By means of the structure, during use, only the two jaw assemblies (200) need to be clamped to the hub, and the adjustment module (300) drives the driving member (110) to rotate, so that the two jaw assemblies (200) clamp the hub together, and the use is more convenient.
B23P 19/10 - Alignement de pièces qui doivent être assemblées entre elles
B60S 5/00 - Maintenance, entretien, réparation ou révision des véhicules
B25B 11/00 - Porte-pièces ou dispositifs de mise en position non couverts par l'un des groupes , p. ex. porte-pièces magnétiques, porte-pièces utilisant le vide
A radar detection device and a radar detection system. The radar detection device (100) comprises a first detection component (101), a second detection component (102), and a third detection component (103). A first electromagnetic wave transmitted by the first detection component (101) is provided with a first field of view, a second electromagnetic wave transmitted by the second detection component (102) is provided with a second field of view, and a third electromagnetic wave transmitted by the third detection component (103) is provided with a third field of view. Because the borderline of the first field of view overlaps with that of the second field of view or a detection area covered by the first field of view partly overlap with that of the second field of view, and the borderline of the second field of view overlaps that of the third field of view or the detection area covered by the first field of view partly overlaps that of the second field of view, the detection areas of the first detection component (101), of the second detection component (102), and of the third detection component (103) can superimpose each other to form an expanded detection area, thus reducing detection blind spots. The radar detection system comprises the radar detection device.
A blind area early warning radar and a blind area early warning system. The blind area early warning radar (100) comprises a first detection assembly (10) and a second detection assembly (20); the first detection assembly (10) is used for emitting a first electromagnetic wave (101), and the first electromagnetic wave (101) has a first detection angle of view; the second detection assembly (20) is used for emitting a second electromagnetic wave (201), and the second electromagnetic wave (201) has a second detection angle of view; and two adjacent edges of the first electromagnetic wave (101) and the second electromagnetic wave (201) intersect or coincide, and the detection field-of-view angle formed by superimposing the first detection angle of view and the second detection angle of view is greater than or equal to 180 degrees. By means of the described arrangements, the blind area early warning radar can perform detection with a field-of-view angle of 180 degrees, thereby eliminating a detection blind area. The blind area early warning system comprises the blind area early warning radar (100).
The embodiments of the present invention relate to a vehicle diagnosis data display method and system, and a mobile terminal and a computer-readable storage medium. The method comprises: determining and acquiring vehicle diagnosis original data selected by a user; performing format conversion on the vehicle diagnosis original data, so as to obtain current vehicle diagnosis data after being subjected to format conversion; drawing the current vehicle diagnosis data, so as to obtain the current vehicle diagnosis data which can be understood by the user; and displaying, on a mobile terminal, the current vehicle diagnosis data which can be understood by the user. On the basis of the method, a user can easily understand or know the running condition of a vehicle or the cause of an abnormal condition, and can then maintain the vehicle or report a fault in a timely manner, thereby facilitating an improvement in the use reliability of the vehicle; and the method has a good user use experience.
G06F 11/22 - Détection ou localisation du matériel d'ordinateur défectueux en effectuant des tests pendant les opérations d'attente ou pendant les temps morts, p. ex. essais de mise en route
79.
POSITIONING METHOD, SYSTEM AND APPARATUS FOR ADAS CALIBRATION DEVICE AND READABLE STORAGE MEDIUM
A positioning method for an ADAS calibration device, which is applied to an ADAS calibration system. The ADAS calibration system comprises the ADAS calibration device (102) and a user equipment (101). The ADAS calibration device (102) comprises an image acquisition assembly. The user equipment (101) is communicatively connected to the ADAS calibration device (102). The method comprises: the user equipment obtains a relevant image of a vehicle (103) acquired by the image acquisition assembly of the ADAS calibration device (102) (S301); the user equipment (101) determines position information of the ADAS calibration device (102) relative to the vehicle (103) according to the relevant image of the vehicle (103) (S302); and the user equipment (101) provides a position adjustment scheme of the ADAS calibration device (102) relative to the vehicle (103) according to the position information, so that the user positions the ADAS calibration device (102) to a preset position relative to the vehicle (103) according to the position adjustment scheme (S303). The ADAS calibration system, a positioning apparatus for the ADAS calibration device and a computer-readable storage medium, which may reduce the number of steps for positioning the ADAS calibration device and improve the efficiency with which the ADAS calibration device is positioned.
A calibration method, comprising: obtaining a laser line image, acquired by a camera (12), of a target (20); determining the laser groove depth of each groove in a groove area (22) according to the laser line image; determining, according to the laser groove depth of each groove and a standard groove depth having one-to-one correspondence to each groove, a loss function corresponding to an initial parameter value of a preset laser plane equation; and updating the initial parameter value according to the loss function to determine an updated parameter value, and determining a calibrated laser plane equation. A plurality of grooves having different depths are provided in the groove area (22), the loss function is constructed, and the parameter value is updated on the basis of the loss function to determine a calibrated laser plane equation. The method can reduce the calibration time and improve the calibration accuracy. Also provided are a calibration apparatus (80), a monocular laser measurement device (10), and a calibration system (100).
The present invention relates to a tire tread pattern depth measurement method and a tire tread pattern depth measurement system. The method comprises: first, controlling a laser to emit laser to a tire tread; then obtaining image data collected by a camera at each of at least two measurement points on the tire tread, the measurement points being points by which the tire tread pattern depth measurement system passes when moving on the tire tread, and the image data comprising laser rays formed by laser being emitted to the tire tread; according to the image data collected at the measurement points, determining depth data of the laser rays, corresponding to the measurement points, emitted to the tire tread; splicing the depth data corresponding to the measurement points to obtain a spliced depth map; and finally, according to the spliced depth map, determining the tire tread pattern depth. Therefore, the method can obtain depth maps of a plurality of effective measurement points and determine the tire tread pattern depth according to the spliced depth map, supports the measurement of the tire tread pattern depth in a whole tire tread range, is more accurate in measurement and more convenient to operate, and improves the user experience.
A data processing method and an automobile big data management cloud platform, which relate to the technical field of big data. The method comprises: obtaining automobile-related data (S101); determining a data transmission channel of the automobile-related data, wherein the data transmission channel comprises a first channel determined according to a data interface, a data computing system, an Alluxio storage system and an HDFS cluster, and a second channel determined according to a service interface and the HDFS cluster (S102); and processing the automobile-related data by means of the determined data transmission channel (S103). The data processing method and the automobile big data management cloud platform are able to speed up data processing efficiency, especially increase the efficiency of data transmission and data querying, thereby meeting requirements for cloud platform service development.
A hub holding device, comprising: a main body (100); a synchronization assembly (200) installed on the main body (100); a locking module (300) fixedly installed on the main body (100), the locking module (300) being capable of locking or unlocking the synchronization assembly (200); and two jaw assemblies (400) installed on the synchronization assembly (200), the two jaw assemblies (400) being located on both sides of the locking module (300) and used to clamp a hub. When the locking module (300) is in an unlocking state, one jaw assembly (400) is moved close to the locking module (300), and the synchronization assembly (200) drives the other jaw assembly (400) to synchronously approach the locking module (300), so that the locking module (300) is always in the middle of the two jaw assemblies (400); and when the locking module (300) is in a locking state, the two jaw assemblies ( 400) are immobilized relative to the locking module (300), and the central axis of the locking module (300) coincides with the central axis of the hub. By means of this arrangement, only one of the jaw assemblies is pulled to move, and the synchronization assembly drives the other jaw assembly to move synchronously, without adjusting the positions of the jaw assemblies by repeatedly screwing screws; and the hub holding device is thus convenient and time-saving during use.
B25B 11/00 - Porte-pièces ou dispositifs de mise en position non couverts par l'un des groupes , p. ex. porte-pièces magnétiques, porte-pièces utilisant le vide
A holding device (900), comprising a main body (100), two holding jaw assemblies (200) respectively connected to two opposite ends of the main body (100) and capable of being opened or closed relative to the central axis of the main body (100), and a traction module (300) installed on the main body (100) and connected to the two holding jaw assemblies (200). The two holding jaw assemblies (200) are located at two sides of the traction module (300); the traction module (300) is used for generating a pulling force on the holding jaw assemblies (200) when an external force pulls the two holding jaw assemblies (200) to move in the direction away from the traction module (300); when the holding jaw assemblies (200) are released, the traction module (300) pulls the two holding jaw assemblies (200) to move towards the traction module (300) and make the two holding jaw assemblies (200) be closed towards the central axis of the traction module (300), and therefore, the two holding jaw assemblies (200) tightly hold a tire together. Therefore, a user only needs to pull the two holding jaw assemblies (200) to mate with a tire in size, that is, the two holding jaw assemblies (200) can be quickly installed on a tire, installation time is saved, moreover, the central axis of the traction module (300) coincides with the central axis of a hub, and accurate positioning of wheels is facilitated.
Provided is a wheel hub clamping apparatus, comprising: a main body (100), a guide assembly (200), two snap-latch assemblies (300), and a traction module (400); the guide assembly (200) is connected to the main body (100); the two snap-latch assemblies (300) are mounted on the guide assembly (200) and are located on opposite sides of the main body (100), respectively; the traction module (400) is mounted on the main body (100) and is connected to the snap-latch assemblies (300) at both sides, the two snap-latch assemblies (300) being symmetrical about the central shaft of the traction module (400); the traction module (400) is used, when a snap-latch assembly (300) is stressed and moves toward to the traction module (400), for driving the other snap-latch assembly (300) to move synchronously the same distance closer to the traction module (400), such that the central shaft of the traction module (400) always coincides with the central shaft of the wheel hub. When the wheel hub clamping apparatus is being used, one need only pull the two snap-latch assemblies to fit the wheel hub size, and the two snap-latch assemblies can be quickly mounted on the wheel hub, saving installation time, while the central shaft of the traction module coincides with the central shaft of the wheel hub, facilitating the precise positioning of a wheel.
B25B 11/00 - Porte-pièces ou dispositifs de mise en position non couverts par l'un des groupes , p. ex. porte-pièces magnétiques, porte-pièces utilisant le vide
B60S 5/00 - Maintenance, entretien, réparation ou révision des véhicules
A wheel alignment system, comprising suspension rods (10) having one ends thereof fixed to the ceiling; a cross beam (20) fixed to the other ends of the suspension rods (10), wherein the cross bream (20) is arranged in a suspended manner to allow a vehicle to pass below the cross beam (20); two camera assemblies (30) respectively arranged on two ends of the cross beam (20); wheel targets (40), at least two wheel targets (40) being provided, the at least two wheel targets (40) being respectively mounted on wheels on two sides of the vehicle, each wheel target (40) comprising a targeting surface (401), the targeting surface (401) being provided with a preset pattern, when the wheel targets (40) are mounted on the wheels, the targeting surfaces (401) facing towards the ceiling, and fields of view of the two camera assemblies (30) respectively covering the targeting surfaces (401) of the wheel targets (40) on the wheels on two sides of the vehicle; and a processor (50) separately connected to the two camera assemblies (30), the processor (50) being used for performing alignment operation on the wheels of the vehicle according to images of the wheel targets (40) collected by the camera assemblies (30).
G01B 11/275 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes pour tester l'alignement des roues
A wheel hub clamping device (900), comprising two claw assemblies (100); a driving module (200), connected to the two claw assemblies (100) and comprising a guide assembly (210) and a driving member (220), the guide assembly (210) being used for guiding the claw assemblies (100) to move, and the driving member (220) being used for synchronously driving the claw assemblies to get close to or get away from each other by the same distance; a mounting module (400), mounted on the driving module (200), located at a central position between the two claw assemblies, and used for mounting an auxiliary calibration tool; a locking module (300), mounted on the driving module (200) and used for locking the driving member (220). When the two claw assemblies (100) move to preset positions and tightly clamp a wheel hub, the locking module (300) locks the driving member (220), so that the central axis of the mounting module (400) is kept aligned with the central axis of the wheel hub. The two claw assemblies can jointly clamp the wheel hub only by pulling the claw assemblies to move to required positions and by locking the driving member by means of the locking module, so that the wheel hub clamping device is more convenient to use.
B25B 11/00 - Porte-pièces ou dispositifs de mise en position non couverts par l'un des groupes , p. ex. porte-pièces magnétiques, porte-pièces utilisant le vide
F16M 13/02 - Autres supports ou appuis pour positionner les appareils ou les objetsMoyens pour maintenir en position les appareils ou objets tenus à la main pour être portés par un autre objet ou lui être fixé, p. ex. à un arbre, une grille, un châssis de fenêtre, une bicyclette
88.
BRAKE DISC WEAR DIAGNOSIS METHOD AND WEAR DIAGNOSIS SYSTEM
A brake disc or tire tread wear diagnosis method, comprising: first acquiring feature information, the feature information being used for characterizing features of a brake disc or a tire tread or features of a vehicle to which the brake disc belongs (S21); then acquiring wear replacement standards of the brake disc or the tire tread according to the feature information (S22); then acquiring wear measurement data of the brake disc or the tire tread (S23); and finally generating a wear diagnosis result according to the wear measurement data and the wear replacement standards of the brake disc or the tire tread (S24). Therefore, according to the feature information, the wear replacement standards of the brake disc or the tire tread can be accurately found (S22), and finally, according to the wear measurement data and the wear replacement standards of the brake disc or the tire tread, the wear diagnosis result is generated (S24). Compared with manually searching, from a repair manual, for wear replacement standards of a brake disc or a tire tread, the present invention can greatly increase the searching efficiency, and the searching is more accurate, thereby improving the user experience. Further disclosed are a wear diagnosis system and a non-transitory computer-readable storage medium.
A vehicle detection device, comprising: a handheld housing (10); a detection unit (20), configured to detect a brake disc or a tread; a code reading unit (30), arranged on the handheld housing (10) and configured to acquire an image of a code on a side face of a tire or acquire an image of vehicle information carried by a vehicle; and a control unit (50), electrically connected to the code reading unit (30) and configured to receive the image acquired by the code reading unit (30) and parse relevant information of the tire or the vehicle according to the image. Said device enables quick and accurate reading of tire code information or vehicle information without removing or rotating a tire.
Disclosed in embodiments of the present application are a method, apparatus and server for generating an image of a vehicle detection device, and a computer readable storage medium. According to the embodiments of the present application, the method comprises: obtaining vehicle detection data detected by a vehicle detection device; obtaining a data processing configuration rule, and performing data processing on the vehicle detection data according to the data processing configuration rule to obtain processed vehicle detection data; labeling the processed vehicle detection data to obtain labeled vehicle detection data; and performing visual modeling on the labeled vehicle detection data to obtain and display an image of the vehicle detection device. According to the present solution, the use diversity of vehicle detection data can be improved, and the problem in the prior art that problems that occur after vehicle detection cannot be further adapted according to the vehicle detection data is solved.
The embodiments of the present invention relate to the field of automobile detection. Disclosed are a calibration device and a calibration method. The calibration device comprises a bracket, a display apparatus and a light projection apparatus, wherein the bracket is used for bearing and mounting the display apparatus and the light projection apparatus; the display apparatus is provided with a mounting end and a free end, which are arranged opposite each other, the mounting end being connected to the bracket, and the free end being movable relative to the mounting end; and the light projection apparatus is used for projecting light to a flexible display member to form a set pattern, so as to assist the calibration of a sensor to be detected on a vehicle to be detected, the set pattern, which is used for calibrating said vehicle, of the calibration device is not formed by means of ink printing, but is formed by means of the light projection apparatus projecting light to the flexible display member. Therefore, the calibration device provided in the embodiments of the present invention can effectively prevent the drawback of the display effect of a set pattern being affected by the deformation of the set pattern due to the influence of the environment and time in a high-temperature and humid environment.
A target, comprising a shell (100), a display screen (200) and a control circuit board (300), wherein the control circuit board (300) is electrically connected to the display screen (200) and is used for controlling the display screen (200) to display a preset pattern, so that an external detection device acquires, by means of an image collection apparatus, an image that has the preset pattern, and executes, according to the image, a corresponding detection process on a vehicle to be detected. The preset pattern presented by the target is not formed by means of ink printing, but is instead formed by means of the display of the display screen (200) under the control of the control circuit board (300). The disadvantage of same affecting the display effect of the preset pattern due to ink at the edge of the preset pattern easily being diffused outwards can be effectively avoided. Further disclosed are a four-wheel alignment system and a four-wheel alignment method.
G01B 11/275 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes pour tester l'alignement des roues
G01D 18/00 - Test ou étalonnage des appareils ou des dispositions prévus dans les groupes
G09G 3/20 - Dispositions ou circuits de commande présentant un intérêt uniquement pour l'affichage utilisant des moyens de visualisation autres que les tubes à rayons cathodiques pour la présentation d'un ensemble de plusieurs caractères, p. ex. d'une page, en composant l'ensemble par combinaison d'éléments individuels disposés en matrice
A vehicle measuring device, comprising: a base (10); a vertical frame (20) which is mounted on the base (10); a mounting beam assembly (30) which is used for bearing a calibration element (400), the calibration element (400) being used for calibrating a driving assistance system of a vehicle, the mounting beam assembly (30) comprising a supporting frame (31) and a mounting beam (32), the supporting frame (31) being connected to the vertical frame (20) and rotating around a rotating axis (O) relative to the vertical frame (20), the rotating axis (O) being parallel to the ground where the base (10) is located, and the mounting beam (32) being connected to the end of the supporting frame (31) distant from the rotating axis (O); the two wheel image acquisition assemblies (200a, 200b) which are spaced apart and transversely arranged at the two ends of the mounting beam (32), the view ranges of the two wheel image acquisition assemblies (200a, 200b) being used for covering areas where wheels on the two sides of the vehicle are located respectively; and a processor (300) which is electrically connected to the two wheel image acquisition assemblies (200a, 200b) so as to receive data acquired by the two wheel image acquisition assemblies (200a, 200b) and measure a wheel state of the vehicle according to the data acquired by the two wheel image acquisition assemblies (200a, 200b). The vehicle can be calibrated, the wheel state of the vehicle can be measured, and convenience and rapidness are achieved.
G01B 11/275 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes pour tester l'alignement des roues
G01B 5/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques
G01D 18/00 - Test ou étalonnage des appareils ou des dispositions prévus dans les groupes
G01D 11/30 - Supports spécialement adaptés à un instrumentSupports spécialement adaptés à un ensemble d'instruments
94.
CAMERA ASSEMBLY, WHEEL POSITIONING SYSTEM AND METHOD FOR POSITIONING WHEELS
A camera assembly, a wheel positioning system and a method for positioning wheels. The camera assembly (100) comprises a base body (10) and a camera main body (20), wherein the base body (10) is provided with at least two target surfaces (13, 14), the at least two target surfaces (13, 14) are all not in the same plane, and the at least two target surfaces (13, 14) are not in the same plane as that of a lens in the camera main body (20); and the at least two target surfaces (13, 14) are respectively provided with a target element (16), the spatial positional relationship between the target element (16) and the camera main body (20) is known, and the geometric characteristics of the target element (16) are known. Therefore, the position of the camera main body (20) can be determined by acquiring the positions of the target surfaces (13, 14), and the positions of cameras on two sides of a vehicle can be indirectly determined without using a sensor or a preset camera fixing structure, thereby improving the measurement accuracy of calibration calculation.
G01B 11/275 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes pour tester l'alignement des roues
G01B 5/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques
95.
WHEEL IMAGE ACQUISITION ASSEMBLY, WHEEL POSITIONING APPARATUS, AND WHEEL POSITIONING SYSTEM
A wheel image acquisition assembly, comprising a base (10), a motor assembly (20) and a camera module (30), wherein one end of the base (10) is used for being connected to a support body in a wheel positioning apparatus, and the other end of the base (10) is used for being connected to the camera module (30); the motor assembly (20) is mounted in the base (10) and comprises a motor (21), the motor (21) being used for driving the camera module (30) to rotate around the horizontal axis so as to adjust a pitch angle of the camera module (30); and the camera module (30) is used for acquiring an image of wheels so as to determine the position of the wheels relative to a vehicle. The wheel image acquisition assembly can drive the camera module (30) to rotate by means of the motor (21) of the wheel image acquisition assembly, so as to adjust the visual field range of the camera module (30), which is more flexible, and facilitates wheel alignment positioning in a complex environment.
G01B 11/275 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes pour tester l'alignement des roues
G01B 5/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques
96.
CALIBRATION DEVICE, CALIBRATION METHOD, AND CALIBRATION DEVICE CORRECTING METHOD
A calibration device, comprising: a bracket (100); an image display panel (200) mounted on the bracket (100); a light projection apparatus (300) used for projecting a set pattern to the image display panel (200), the set pattern being used for assisting in calibrating a sensor to be tested on a vehicle to be tested; and an adjusting apparatus (400) comprising an adjusting mechanism (410) and a processing module (420), the processing module (420) being used for obtaining the displacement to be adjusted of the light projection apparatus (300) with respect to the image display panel (200), and controlling the adjusting mechanism (410) to adjust the position of the light projection apparatus (300) with respect to the image display panel (200) according to said displacement, so as to adjust the display state of the set pattern displayed on the image display panel (200). The set pattern used by the calibration device for calibration is not formed by ink printing, but is formed by projecting light to the image display panel (200) by means of the light projection apparatus (300). The calibration device can effectively avoid the disadvantage of affecting the display effect of the set pattern due to the proneness to out-diffusion of ink at the edge of the set pattern. Also provided are a calibration method and a calibration device correcting method.
A calibration device, comprising a bracket (100), an image display board (200), a light projection apparatus (300) and an adjustment apparatus (400). The bracket (100) is used for carrying and installing various structures. The light projection apparatus (300) is used for projecting light to the image display board (200) so as to form a set pattern to assist in calibrating a sensor to be tested on a vehicle to be tested. The set pattern used by the calibration device to calibrate the vehicle is not formed by ink printing, but is formed by means of projecting light to the image display board (200) by means of the light projection apparatus (300), which effectively prevents ink on the edge of the set pattern from easily spreading outward and affecting the display effect of the set pattern. Further provided is a calibration method.
The present invention relates to the technical field of big data, and relates in particular to a cloud platform-based vehicle post-service management system and method. The system comprises: a detection device, a device management platform, and a service system. The detection device is used to obtain at least two kinds of vehicle detection data, and each of the at least two kinds of vehicle detection data is related to a vehicle identification code of the same vehicle. The device management platform is used to receive the vehicle detection data, process the vehicle detection data, and send the processed vehicle detection data to the service system. The service system is used to, according to the processed vehicle detection data, provide vehicle business services for the same vehicle. The present invention can systematically integrate detection data of a vehicle and provide vehicle post-service according to the integrated detection data, which not only improves the efficiency of vehicle post-service, but also makes vehicle post-service more convenient and improves user experience.
The present invention relates to the technical field of cloud computation, and in particular to an intelligent cloud gateway, an automobile diagnosis device, an automobile digital detection system, and a data processing method. The intelligent cloud gateway comprises: a wireless sensing device, a microprocessor, and a cloud transmission module; the wireless sensing device is used for obtaining at least two types of automobile detection data collected by a detection device, each type of data in the at least two types of automobile detection data is related to a vehicle identification code of a same vehicle; and the microprocessor is used for processing the at least two types of automobile detection data, and uploading the processed at least two types of automobile detection data to a device management platform by means of the cloud transmission module, so that the device management platform provides automobile service services for the same vehicle according to the automobile detection data. According to the present invention, the automobile digital detection data can be quickly and reliably transmitted to the device management platform, and different types of detection data of an automobile can be integrated, such that automobile post-service efficiency is improved, and user experience is improved.
H04L 12/66 - Dispositions pour la connexion entre des réseaux ayant différents types de systèmes de commutation, p. ex. passerelles
H04L 29/06 - Commande de la communication; Traitement de la communication caractérisés par un protocole
H04W 4/40 - Services spécialement adaptés à des environnements, à des situations ou à des fins spécifiques pour les véhicules, p. ex. communication véhicule-piétons
H04W 24/02 - Dispositions pour optimiser l'état de fonctionnement
H04W 84/18 - Réseaux auto-organisés, p. ex. réseaux ad hoc ou réseaux de détection
100.
METHOD FOR IDENTIFYING WORN AREA OF BRAKE DISK, AND WEAR IDENTIFICATION SYSTEM
A method (S20) for identifying a worn area of a brake disk, and a wear identification system (100). The method comprises: first, acquiring an image photographed by a camera (103), wherein the image includes laser lines formed by means of lasers projected onto a test face where a brake disk is located (S21); calculating a camera (103) coordinate sequence of the laser lines (S22); according to the camera (103) coordinate sequence, determining depth values of the laser lines projected onto a surface of the brake disk (S23); then dividing the laser lines into a first laser line and a second laser line according to the depth values, wherein a depth value of the first laser line is greater than that of the second laser line, and the depth value of the first laser line is less than a preset threshold value (S24); and finally, according to imaging positions of the first laser line and the second laser line in the image, identifying a worn area and an unworn area on the surface of the brake disk (S25). Therefore, even if a laser projection area is limited, it is still possible to divide laser lines into different laser lines according to depth values, so as to accurately identify a worn area and an unworn area according to imaging positions of different laser lines in an image, thereby improving the user experience.
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