A gantry structure (100) and a detection system. The gantry structure (100) comprises: a frame body (10); and mounting assemblies (50) arranged on the frame body (10) and connected to the frame body (10), wherein each mounting assembly (50) and the frame body (10) define a wiring space (60), each mounting assembly (50) is provided with a first hole (55), and the first hole (55) is communicated with the wiring space (60). The gantry structure (100) and the detection system can not only ensure the mounting requirements of external detection devices (200), but also reduce the difficulty of upgrading and maintaining the gantry structure itself, thereby reducing maintenance costs.
G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass
G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
G01V 3/11 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils for detecting conductive objects, e.g. firearms, cables or pipes
2.
ELEMENTAL ANALYSIS SYSTEM, METHOD AND APPARATUS, AND PROGRAM PRODUCT
The present invention relates to the field of radioactivity-based elemental analysis, and in particular to an elemental analysis system, method and apparatus, and a program product. The elemental analysis system comprises: an X-ray scanning device comprising an X-ray source and a detector array and configured to perform dual-energy X-ray scanning on materials; a prompt gamma neutron activation analysis device mounted downstream of the X-ray scanning device in a material transfer direction; and a control apparatus configured to calculate, on the basis of the sizes, mass attenuation coefficients and densities of materials at various positions obtained by means of the X-ray scanning, a self-adsorption correction coefficient to correct a gamma spectrum. The elemental analysis system, method and apparatus, and the program product of the present application can improve the calculation accuracy of the correction coefficient, thereby improving the measurement precision of elemental analysis.
G01N 23/222 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material by activation analysis using neutron activation analysis [NAA]
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
G01N 23/083 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
3.
IMAGE CORRECTION METHOD, IMAGE CORRECTION APPARATUS, SCANNING IMAGING APPARATUS, ELECTRONIC DEVICE, STORAGE MEDIUM, AND COMPUTER PROGRAM PRODUCT
The present application provides an image correction method, an image correction apparatus, a scanning imaging apparatus, an electronic device, a storage medium, and a computer program product. The scanning imaging apparatus is configured to acquire a first image of an inspection object. The image correction method comprises: computing a plurality of actual cumulative positions of detectors in a correction direction; computing, on the basis of the plurality of actual cumulative positions and the size of the first image in the correction direction, a plurality of mapping positions to which the actual cumulative positions are mapped in the first image; computing pixel point coordinates on the basis of relationships between the plurality of mapping positions and coordinates of pixel points in the first image in the correction direction, wherein the pixel point coordinates are coordinates, in the first image in the correction direction, of pixel points in a second image; computing pixel values of the pixel points in the second image on the basis of pixel values of the pixel points in the first image and the pixel point coordinates; and generating the second image on the basis of the pixel point coordinates and the pixel values of the pixel points in the second image.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
A tray, a transfer device and a test apparatus. The tray (100) comprises a support plate (10), a limiting assembly (20) and a pressure plate assembly (30). The support plate is configured to carry a battery cell (200). The limiting assembly comprises a base (22), a moving member (21) and a mounting seat (23), wherein the base and the mounting seat define a moving channel, the moving member is movably arranged at the moving channel, and the moving member is provided with a first connecting part (211). The pressure plate assembly comprises a pressure plate (31) and a rotating member (32), wherein the pressure plate is rotatably connected to the mounting seat, the pressure plate can switch between a first positional state and a second positional state, and a second connecting part (311) is provided on the side of the pressure plate facing the support plate. When the pressure plate is rotated to a first position, by moving the moving member to a locking position, the first connecting part and the second connecting part are connected, thus keeping the pressure plate in the first position to press the battery cell; by moving the moving member to an unlocking position, the second connecting part separates from the first connecting part, enabling the pressure plate to rotate to a second position to release the battery cell. The tray enables easy and quick pressing or releasing of battery cells.
A security inspection method, comprising: on the basis of object features of an object under inspection (3), determining a target category of the object under inspection (3) (101); on the basis of the target category, calling at least one target algorithm in an algorithm set, wherein the target algorithm is determined on the basis of the target category, and the algorithm set is integrated into a same security inspection device (102); and by means of the at least one target algorithm, recognizing a scanned image of the object under inspection (3), so as to generate a recognition result (103). Further provided are a security inspection apparatus and a security inspection system. A security inspection device (2) can inspect various different objects under inspection (3) in a targeted manner, thereby facilitating an improvement in the security inspection efficiency of the security inspection device (2), and reducing the overall space occupied by the security inspection device (2).
A security inspection method for a security inspection robot (120). The method comprises: a security inspection robot (120) moving to a specific position near an inspected target (S210); the security inspection robot (120) detecting the inspected target by means of non-contact detection, so as to obtain detection data (S220); on the basis of the detection data, determining whether the inspected target is suspicious or whether the inspected target carries a suspicious article (S230); when it is determined, on the basis of the detection data, that the inspected target is suspicious, the security inspection robot (120) sending a first early warning, wherein the first early warning is used for prompting the use of a substance composition analysis module (123) of the security inspection robot (120) to inspect the suspicious article (S240); and in response to the suspicious article being placed in an analysis area, the security inspection robot (120) obtaining a composition analysis result of the suspicious article by means of the substance composition analysis module (123) (S250). Further provided are a security inspection robot (120) and a security inspection system (100). The present application can enhance the scope and flexibility of security inspection, effectively eliminate the dependence on security inspection staff to reduce the labor cost, and improve the efficiency of security inspection.
A detection apparatus, comprising a mounting frame (1), a conveying mechanism (2) and a detection mechanism (3). The conveying mechanism (2) comprises a support frame (21), a roller assembly (22) and a conveyor belt (23), wherein the support frame (21) is detachably connected to the mounting frame (1); the roller assembly (22) is rotatably mounted on the support frame (21), and the roller assembly (22) comprises a plurality of rollers; the conveyor belt (23) is wound around the plurality of rollers in sequence; and the plurality of rollers comprise first driven rollers (221) located on an outer side of the conveyor belt (23) and second driven rollers (222) located on an inner side of the conveyor belt (23). The detection mechanism (3) comprises a channel assembly (31), wherein the channel assembly (31) is connected to the mounting frame (1), and at least part of the conveyor belt (23) is located in a detection channel (32) of the channel assembly (31). When the support frame (21) is separated from the mounting frame (1), the first driven rollers (221) are disassembled, such that the conveyor belt (23) can be separated from the conveying mechanism (2).
Provided in the present application is a detection apparatus, comprising a conveying mechanism, a detection mechanism and a mounting frame. The conveying mechanism comprises a drive roller, a deflection roller, driven rollers and a conveyor belt; the conveyor belt is sleeved on the drive roller, the deflection roller and the driven rollers; the conveyor belt comprises a carrying layer and a ready-to-carry layer which are parallel to each other, the carrying layer being used for carrying and conveying objects to be inspected. The detection mechanism comprises a radiation source, a detector component and a channel component; the channel component is configured with a first channel and a second channel, the carrying layer and the radiation source are both located in the first channel, and the detector component is located in the second channel. The conveying mechanism and the detection mechanism are both mounted on the mounting frame.
G01V 5/22 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
A cooling device, which can be used for a distributed X-ray source. The distributed X-ray source comprises N ray tubes, and N is an integer greater than or equal to 2. The cooling device comprises: a storage mechanism configured to store a cooling medium; a power mechanism configured to suction the cooling medium from the storage mechanism and feed the cooling medium into a conveying pipe; and the conveying pipe comprising N conveying branches, wherein the N conveying branches are configured to be communicated with the N ray tubes in a one-to-one correspondence manner, so as to allow the cooling medium to flow through the N ray tubes by means of the N conveying branches for heat exchange.
A cooling apparatus and a radiation apparatus using same. The cooling apparatus (100) can be used for cooling an X-ray source (200) in the radiation apparatus. The cooling apparatus (100) comprises: a structural frame (110); a heat dissipation device (120), installed inside the structural frame (110), the heat dissipation device (120) being configured to form a heat dissipation airflow passing therethrough; and a cooling unit (130), installed inside the structural frame (110) independently of the heat dissipation device (120), and located in a region through which the heat dissipation airflow flows; wherein the cooling unit (130) is configured to provide a cooling medium to flow through the X-ray source (200) for heat exchange, and the heat dissipation device (120) is further configured to communicate with the cooling unit (130) to dissipate heat from the cooling medium entering the interior of the heat dissipation device (120).
The present disclosure relates to the technical field of radiation imaging. Provided are an image processing method and apparatus, and a transmission scanning system. The image processing method comprises: performing sampling processing on a transmission image, so as to obtain an image to be processed, wherein the transmission image is obtained by using a multi-column detector to detect the transmission intensity of an object during transmission scanning; determining a region to be identified in said image; using a candidate depth to perform reconstruction processing on said region, so as to obtain a reconstruction result for said region; determining the edge sharpness of the reconstruction result; and when the edge sharpness is greater than a sharpness threshold value, using the candidate depth as the depth of said region.
The present disclosure provides a delivery robot, comprising: a compartment, wherein at least one accommodating chamber is formed in the compartment, the compartment comprises a front wall, a rear wall, a top wall, and a side wall, a window is formed in the front wall, and the window is suitable for allowing items to enter and exit; a guide rail assembly, comprising two guide rails which are mounted in parallel and are spaced apart, wherein the two guide rails are mounted on two opposite sides of the window and extend into the top wall or the side wall; a door, slidably mounted between the two rails; and a driving device, mounted in the top wall, the side wall or the rear wall and connected to a driving end of the door opposite to the end of the door located at the window, wherein the driving device is suitable for driving the door to move along a sliding path provided by the guide rail assembly, so that the driving end of the door moves between a closing position for closing the window and an opening position for at least partially opening the window.
The present application provides a backswing prevention device for a curtain, comprising: plate members; and a strip member, wherein one side of the strip member is provided with N plate members, and N is an integer greater than or equal to 2; when the strip member drives the plate member on the strip member to swing from a first position towards the side where the plate members are mounted to a second position, any two adjacent plate members abut against each other to limit further swinging, and there is a specific angle between the first position and the second position.
The present application relates to a task assignment method and device applied to a security check system. The task assignment method applied to a security check system comprises: in response to receiving a captured image of a checked object generated by a security check device, on the basis of a selected mode of the security check device, selecting from among a plurality of available image check stations a certain range of available image check stations corresponding to the selected mode; on the basis of the security check scenario of the security check device and the conditions of the image check stations, selecting from among a plurality of assignment polices an assignment policy that is adapted to the security check scenario and the conditions of the image check stations; on the basis of the selected assignment policy, selecting from among the certain range of available image check stations an image check station for executing an image check task associated with the captured image; and assigning the captured image and the associated image check task to the selected image check station for the selected image check station to complete the image check task within a specified image check time.
The present application relates to the field of X-ray image-based detection, and discloses a detection method and apparatus for a passenger vehicle, a device, and a storage medium. The method comprises: acquiring an X-ray image for detection and a template X-ray image of a target passenger vehicle, wherein the template X-ray image comprises an X-ray image of the target passenger vehicle not containing a specific object; on the basis of the X-ray image for detection and the template X-ray image, using a deep neural network to obtain a first multi-scale feature corresponding to the X-ray image for detection and a second multi-scale feature corresponding to the template X-ray image; and obtaining a detection result of the target passenger vehicle on the basis of a target similarity parameter between the first multi-scale feature and the second multi-scale feature.
A detector arm structure, comprising: a cage-type source fixing portion (100); an arm supporting portion (200), which extends in a first direction; and a distal framework portion (300), which extends in a second direction and has a plurality of through holes (301). The arm supporting portion (200) is connected between the cage-type source fixing portion (100) and the distal framework portion (300). Further provided is a human body scanning device. The cage-type source fixing portion (100) is provided with a sliding block, and slides along a guide rail on a supporting column (400) by means of the sliding block to enable the cage-type source fixing portion (100) to move along the supporting column (400). The cage-type source fixing portion (100) is provided with a three-sided supporting holder. The three-surface supporting holder comprises a bottom plate (101), a side plate (102) and a back plate (103) which are connected to each other, the side plate (102) and the back plate (103) being both perpendicular to the plane where the bottom plate (101) is located and forming a right angle.
G01N 23/083 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
17.
RETRIEVER GENERATION METHOD, TARGET DETECTION METHOD AND RAY SCANNING DETECTION SYSTEM
Provided in the present disclosure are a retriever generation method and apparatus, a target detection method and apparatus, an electronic device and a ray scanning detection system, which can be applied to the field of image processing. The generation method comprises: constructing a sample library, involving: acquiring first sample data, which comprises a first image and a first label, wherein the first label represents the category of a first detection target, and acquiring second sample data, which comprises a second image and a second label, wherein the second label represents the category of a second detection target, the first sample data and the second sample data respectively being positive sample data and negative sample data; constructing a feature library, involving: using a feature extraction model to extract first and second image features, forming a first and a second image feature-label relationship, and on the basis of the first and the second image feature-label relationship, generating the feature library; and on the basis of the feature library, generating a retriever.
A check device, comprising a bearing frame (1), a check apparatus (2) and a pressure measurement part. The check apparatus (2) is mounted inside the bearing frame (1), the check apparatus (2) being configured to emit radiation rays to an object to be checked so as to obtain a scanned image of said object. The pressure measurement part is connected to the bearing frame (1), wherein the pressure measurement part comprises N measurement mechanisms (3), the N measurement mechanisms (3) being used for measuring pressure values applied by the bearing frame (1) to N positions, and N being an integer greater than or equal to 1.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
The present disclosure provides a tray moving device and a check system. The tray moving device comprises a conveying line body, a tray pushing mechanism and a first detection mechanism; the conveying line body is configured to convey in a first direction trays borne thereby; the tray pushing mechanism comprises a driving part and a pushing part which are connected to each other, the pushing part being located on a side of the conveying line body; the pushing part is configured to be driven by the driving part to push a tray at a predetermined position in a second direction, the second direction intersecting the first direction; when the pushing part reaches an end point of a pushing stroke thereof, the tray is pushed to leave the conveying line body, the position of the end point being associated with the geometric attribute of the tray, such that the pushing stroke satisfies a predetermined requirement.
B65G 47/84 - Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
The present invention provides a generation method for calibration data. The calibration data is used for correction of image reconstruction of a scanning imaging device. The method comprises: placing a calibration phantom in a scanning area formed by rays, wherein the calibration phantom comprises M sections respectively composed of M materials, the M materials have M physical property theoretical values, respectively, and M is a positive integer greater than or equal to 2; by means of a detector, collecting rays passing through the scanning area so as to acquire actual projection data; on the basis of the actual projection data, using an image reconstruction algorithm to reconstruct the calibration phantom to obtain a reconstructed image; performing segmentation processing on the reconstructed image to obtain M reconstructed sub-images, wherein the M reconstructed sub-images respectively correspond to the M sections; for the M reconstructed sub-images, respectively calculating M physical property measurement values corresponding to the M sections; and generating calibration data on the basis of the M physical property theoretical values and the M physical property measurement values.
Provided is a CT device, being related to the technical field of radiation scanning. The CT device comprises a rack; multiple supporting apparatuses arranged on the rack; a rotatable portion, the rotatable portion being able to rotate around a rotation axis when driven by a driving wheel, and the rotatable portion being jointly supported by the multiple supporting apparatuses during the rotation process; a scanning apparatus arranged on the rotatable portion, the scanning apparatus being used for scanning an object to be examined; an axial limiting mechanism comprising a first pressing roller set and a second pressing roller set, wherein the first pressing roller set and the second pressing roller set are separately arranged on the end faces on two sides of the rotatable portion in the direction of the rotation axis; the first pressing roller set and the second pressing roller set each comprise n pressing rollers, n being an integer larger than 3, and at least a part of the outer circumferential face of each pressing roller is in contact with the end face of the rotatable portion so as to limit the movement of the rotatable portion in the direction of the rotation axis.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G01V 5/226 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
22.
VEHICLE HEAD AVOIDANCE METHOD, APPARATUS AND SYSTEM, AND COMPUTER-READABLE STORAGE MEDIUM
The present disclosure relates to a vehicle head avoidance method, apparatus and system, and a computer-readable storage medium. The vehicle head avoidance method comprises: acquiring a vehicle image to be subjected to detection which is collected by means of a visible-light area-array camera; acquiring a focal length of the camera by means of correcting intrinsic and extrinsic parameters of the camera; processing said vehicle image to obtain a pixel size of a vehicle head; acquiring the distance between the camera and the vehicle head; acquiring an actual size of the vehicle head on the basis of the focal length of the camera, the distance between the camera and the vehicle head, and the pixel size of the vehicle head; and performing vehicle head avoidance on the basis of the actual size of the vehicle head. In the present disclosure, a linear-array image collection device is replaced with a visible-light area-array camera, thereby reducing the use cost and installation cost, and reducing the occupied area.
A radiation detection system (700), comprising a first ray scanning device (106) and a second ray scanning device (107). The first ray scanning device (106) comprises a first target point (1061), which emits rays for scanning a first area (1081) of an object (108). The second ray scanning device (107) comprises a second target point (1071), wherein the second target point (1071) is closer to the ground (701) than the first target point (1061), and the second target point (1071) emits rays for scanning a second area (1082) of the object (108), at least part of the second area (1082) being located out of the first area (1081), and at least part of the second area (1082) being located below the first area (1081) in a vertical direction. Further provided is a radiation detection apparatus (800), comprising a bearing device, which comprises a door-type structure which defines a detection channel (802), wherein the radiation detection system (700) is mounted on the bearing device and performs scanning on a stationary or moving object (108) in the detection channel (802).
G01V 5/22 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
24.
MILLIMETER-WAVE IMAGING DEVICE, SECURITY INSPECTION DEVICE, AND SECURITY INSPECTION METHOD
A millimeter-wave imaging device, comprising: a first millimeter-wave transceiving array (100), which comprises a row of first millimeter-wave transmitting antennas (100T) and a row of first millimeter-wave receiving antennas (100R); and a second millimeter-wave transceiving array (200), which comprises a row of second millimeter-wave transmitting antennas (200T) and a row of second millimeter-wave receiving antennas (200R), wherein the first millimeter-wave transceiving array (100) and the second millimeter-wave transceiving array (200) are respectively configured to transmit and receive millimeter waves to construct a first holographic image and a second holographic image of an object to be inspected. The millimeter-wave imaging device is further configured such that the second millimeter-wave receiving antenna (200R) receives millimeter waves of the first millimeter-wave transmitting antenna (100T) to form a first transmission image, or such that the first millimeter-wave receiving antenna (100R) receives millimeter waves of the second millimeter-wave transmitting antenna (200T) to form a second transmission image. The present application further relates to a security inspection device and a security inspection method.
G01V 8/00 - Prospecting or detecting by optical means
G01V 3/12 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with electromagnetic waves
25.
DISPLAY METHOD AND APPARATUS FOR RADIOGRAPHIC INSPECTION SYSTEM, AND RADIOGRAPHIC INSPECTION SYSTEM AND METHOD
A display method and apparatus for a radiographic inspection system, and a radiographic inspection system and method. The display method for a radiographic inspection system comprises: acquiring M frames of radiographic data collected by a detector (S110); separately processing the M frames of radiographic data to obtain M frames of images, wherein the M frames of images are suitable for being displayed on a display screen of a radiographic inspection system (S120); on the basis of the M frames of images, generating video data (S130); and dynamically displaying the video data at a first predetermined frequency (S140). Compared with the static display of a single X-ray image, the display frequency is greatly improved, and the system inspection efficiency is improved.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
G01V 5/22 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
26.
POWER SUPPLY CONTROL CIRCUIT AND SECURITY CHECK DEVICE
The present disclosure relates to the technical field of security check, and provides a power supply control circuit and a security check device. The power supply control circuit comprises: a first power supply module; a second power supply module, wherein one of the first power supply module and the second power supply module comprises an uninterruptible power supply unit, and the other comprises a mains power supply unit; and a power supply switching module, wherein the power supply switching module comprises a first end, a second end, and a third end, the first end is connected to the first power supply module, the second end is connected to the second power supply module, and the third end is connected to a target apparatus; and the power supply switching module is configured to: when the power supply of the first end is abnormal, disconnect the first end and the third end, and connect the second end and the third end within a first preset time; and when the power supply of the first end returns to normal, disconnect the second end and the third end, and connect the first end and the third end within a second preset time, wherein the first preset time and the second preset time are configured such that: during the execution of switching operations, the target apparatus does not experience a power loss.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
27.
TRAIN OPEN-TOP WAGON MEASUREMENT AND INSPECTION SYSTEM AND METHOD
A train open-top wagon measurement and inspection system and method. The system comprises: a LiDAR group, which is used for generating a laser to scan a train and collecting profile information of the train, wherein the profile information is point cloud data; a wagon identification apparatus, which is used for measuring the wheelbase of the train, determining the wagon type of each wagon of the train on the basis of the wheelbase and the point cloud data, and generating a coupler signal between wagons of the train; and a detection module, which is used for segmenting, on the basis of the coupler signal, the profile information of the train into wagon profile information taking a wagon as a unit, calculating the volume of loaded objects in the wagon on the basis of the wagon profile information when the wagon is an open-top wagon, and identifying foreign matters in the loaded objects.
An analysis and test device and a spent fuel reprocessing system. The analysis and test device comprises: a base (1); a shielding body (7), which is fixed to the base (1) and comprises a main body portion (71) and a sealing portion (72), the sealing portion (72) being configured to seal an opening (711) in the main body portion (71) and being capable of being opened and closed; an accelerator assembly (3) and a radiation source (4), wherein the accelerator assembly (3) is located on one side of the shielding body (7) in a first direction (x) and is movably mounted on the base (1) in the first direction (x), and the radiation source (4) is fixed to one side of the accelerator assembly (3) in the first direction (x) and is located in the shielding body (7); a measurement assembly (5), which is fixed in the shielding body (7), is located, in the first direction (x), on the side of the radiation source (4) away from the accelerator assembly (3), and is configured to accommodate a test object, so as to implement a test mode; a calibration assembly (6), which is detachably mounted in the shielding body (7) by means of the opening (711), is located, in the first direction (x), on the side of the radiation source (4) away from the accelerator assembly (3), and is configured to accommodate a calibration object, so as to implement a calibration mode; and a detector assembly (8), which is arranged on one side of the shielding body (7) in a second direction (y) and is movably mounted on the base (1) in the first direction (x).
G01N 23/09 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being neutrons
29.
CARGO INSPECTION DEVICE AND INSPECTION METHOD THEREOF
A cargo inspection device and an inspection method thereof. The cargo inspection device comprises: a carrier (10) which is configured to move relative to an inspected cargo (G) in a preset direction during cargo inspection; a scanning imaging inspection apparatus (20) provided with a ray scanning assembly (21) used for scanning the inspected cargo (G) through rays; and a smell inspection apparatus (30) provided with a gas sampling assembly (31) for performing gas sampling on the inspected cargo (G), wherein the ray scanning assembly (21) and the gas sampling assembly (31) are both arranged on the carrier (10), and the ray scanning process realized by the ray scanning assembly (21) and the gas sampling process of the gas sampling assembly (31) at least partially coincide in time.
Provided in the present disclosure is a calibration method for performing energy spectrum calibration on a scanning imaging device, which comprises: when an energy spectrum calibration phantom is located in a scanning area formed by rays, obtaining a geometric relationship between a ray source, the energy spectrum calibration phantom, and a detector according to relative positions of the ray source, the energy spectrum calibration phantom, and the detector; collecting rays that pass through the scanning area by means of the detector to obtain real projection data; obtaining a physical attribute of the energy spectrum calibration phantom, wherein the physical attribute is pre-determined according to the material of which the energy spectrum calibration phantom is made or is calculated according to an image reconstruction method; calculating theoretical projection data using a plurality of predetermined basis spectra on the basis of the physical attribute of the energy spectrum calibration phantom and the geometric relationship; performing calibration on an energy spectrum parameter according to the theoretical projection data and the actual projection data, so as to obtain an optimized energy spectrum parameter; and determining the optimized energy spectrum parameter as an energy spectrum calibration parameter.
Provided is a calibration method for calibrating a scanning and imaging device. The calibration method comprises: by means of a detector, collecting rays which have passed through a geometric calibration phantom so as to obtain detector data, the detector data comprising an actual projection position of the rays on the detector after the rays have passed through the geometric calibration phantom; obtaining initial ray source parameters and initial detector parameters; according to the initial ray source parameters, the initial detector parameters, and the positional relationship of the geometric calibration phantom with respect to a ray source and the detector, obtaining a theoretical projection position of the geometric calibration phantom on the detector by means of geometric calculation; constructing an optimization function of the deviation between the actual projection position and the theoretical projection position in terms of the ray source parameters and the detector parameters; and according to the optimization function, determining the ray source parameters and the detector parameters which correspond to the minimum deviation value as optimized ray source parameters and optimized detector parameters, and determining the optimized ray source parameters and the optimized detector parameters as geometric calibration parameters.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
32.
CALIBRATION METHOD AND CALIBRATION SYSTEM FOR CALIBRATING SCANNING IMAGING DEVICE
Provided is a calibration method for calibrating a scanning imaging device, comprising: when a geometric calibration phantom is located in a scanning area formed by rays, executing a geometric calibration step, which comprises: collecting rays that pass through the scanning area by means of a detector to obtain detector data; performing calibration on a ray source parameter and a detector parameter by utilizing the detector data, so as to obtain an optimized ray source parameter and an optimized detector parameter, and determining the optimized ray source parameter and the optimized detector parameter as geometric calibration parameters; and when an energy spectrum calibration phantom is located in a scanning area formed by rays, executing an energy spectrum calibration step, which comprises: collecting rays that pass through the scanning area by means of the detector, and obtaining real projection data related to the energy spectrum phantom; and performing calibration on an energy spectrum parameter according to a geometric relationship and a physical attribute of the energy spectrum calibration phantom by utilizing the actual projection data, so as to obtain an optimized energy spectrum parameter, and determining the optimized energy spectrum parameter as an energy spectrum calibration parameter.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
Provided in the present disclosure is a neutron poison monitoring apparatus. The neutron poison monitoring apparatus comprises: a container, which is used for accommodating a liquid to be tested that contains a neutron poison; a neutron source, which is configured to emit neutrons to said liquid; a detector, which is configured to detect the number of neutrons and/or the number of photons in said liquid; a multi-channel scaler, which is configured to send to a neutron poison monitoring control apparatus the number of neutrons and/or the number of photons detected by the detector; the neutron poison monitoring control apparatus, which is configured to control the neutron source to emit the neutrons to said liquid, control the detector to detect the number of neutrons or the number of photons in said liquid within a time range after the neutron source is controlled to stop emitting neutrons to said liquid, so as to obtain a plurality of detection values, use a background value to correct each detection value among the plurality of detection values, so as to obtain a plurality of corrected values, and use the plurality of corrected values to determine the concentration of the neutron poison in said liquid; and a shielding device, which is configured to shield external interference received by said liquid and the detector.
A mobile inspection device and a mobile inspection system. The mobile inspection device comprises a moving body (1), a rear cabin (2), an accelerator chamber (3) and a detector arm (5). The mobile inspection device has a container truck scanning mode and a train scanning mode which can be switched from one to the other. The rear cabin (2) is rotatably arranged on the moving body (1), and is configured to rotate to a counterweight position in the container truck scanning mode and to rotate to a retracted position in the train scanning mode; the detector arm (5) is arranged on the moving body (1), and is provided with a first detector (6); the detector arm (5) is configured to have a folded state and an unfolded state, and is in the unfolded state in the container truck scanning mode and in the folded state in the train scanning mode; and the accelerator chamber (3) is arranged in the rear cabin (2), and is configured to emit ray beams from a first beam outlet (201) and a second beam outlet (202) of the rear cabin (2) in the container truck scanning mode and the train scanning mode, respectively.
G01N 23/02 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material
35.
RADIATION DOSE MEASUREMENT APPARATUS AND RADIATION DOSE MEASUREMENT METHOD
A radiation dose measurement apparatus (200) and a radiation dose measurement method. The radiation dose measurement apparatus (200) comprises: an ionization chamber (210), which defines an accommodating space (211), wherein the accommodating space (211) is filled with a gas, and the gas is configured to react with rays entering the accommodating space (211), so as to generate electrons; and N VDMOS devices (100), which are arranged in the accommodating space (211), wherein N is an integer greater than or equal to 1, a change occurs in a source-drain reverse current-voltage curve of at least one of the N VDMOS devices (100) in response to the electrons, and the radiation dose of the rays is obtained by means of the source-drain reverse current-voltage curves before and after the change.
A human body scanning device, comprising a supporting column (200) and an imaging assembly. The imaging assembly can move up and down along the supporting column (200) so as to scan a human body. The imaging assembly comprises an arm frame (300), a ray source (301) located at a first end portion (306) of the arm frame (300), and a detector located at a second end portion (305) of the arm frame (300). The human body scanning device further comprises an energy absorbing structure; the energy absorbing structure comprises an energy absorbing portion and a flexible member (410); one end of the flexible member (410) is fixedly connected to the second end portion (305) of the arm frame (300); and the energy absorbing portion enables the flexible member (410) to apply a tensile force to the second end portion (305) of the arm frame (300) so as to prevent the second end portion (305) of the arm frame (300) from vibrating.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
A61B 6/04 - Positioning of patientsTiltable beds or the like
37.
TWO-DIMENSIONAL GRID MAPPING METHOD, APPARATUS, DEVICE, AND STORAGE MEDIUM
A two-dimensional grid mapping method, an apparatus, a device, and a storage medium, which belong to the field of mapping. The two-dimensional grid mapping method comprises: obtaining, in real time, first pose data and second pose data of a robot at the current moment, the first pose data being pose data determined by a two-dimensional lidar, and the second pose data being pose data determined by a combination navigation device, where the pose data determined by the combination navigation device is pose data obtained by merging position data measured by a satellite navigation device and orientation data measured by an inertial measurement unit device (S110); merging the first pose data and the second pose data, and obtaining merged pose data (S120); and constructing a two-dimensional grid map according to the merged pose data (S130).
G01C 21/32 - Structuring or formatting of map data
G01S 17/89 - Lidar systems, specially adapted for specific applications for mapping or imaging
G01S 19/47 - Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being an inertial measurement, e.g. tightly coupled inertial
Disclosed are a detector apparatus and a ray irradiation apparatus, being related to the technical field of radiation scanning. The detector apparatus comprises a detector box that defines a first accommodating space, one side of the detector box having a first slit for rays to pass through; a shielding assembly being located in the first accommodating space and defining a second accommodating space, one side of the shielding assembly having a second slit for rays to pass through, and the second slit being aligned with the first slit; S detectors being located in the second accommodating space and being configured to detect rays passing through the first slit and the second slit, S being an integer greater than or equal to 1; and a first sealing member being configured to cover the first slit, wherein the first sealing member allows rays to pass through so as to enter the first slit; the first sealing member works in conjunction with the detector box to enable the first accommodating space to form a sealed, waterproof space.
G01V 5/22 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
G01N 23/02 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material
The present disclosure provides an energy spectrum data readout circuit, an X-ray detector, and a data readout method. The energy spectrum data readout circuit comprises an acquisition circuit and a control circuit. The acquisition circuit comprises: a plurality of sub-channels used for receiving a current pulse signal generated on the basis of an X-ray, and generating a detection signal on the basis of the current pulse signal; a multiplexer connected to the plurality of sub-channels that selects and outputs a detection signal of at least one channel from among the plurality of sub-channels according to a channel selection signal; and a trigger circuit connected to the plurality of sub-channels and is used for generating a global trigger signal according to an over-threshold identifier received from the plurality of sub-channels, and outputting an address of an over-threshold channel according to an address readout request. The control circuit is connected to the acquisition circuit and is used, in response to a trigger signal from the acquisition circuit, for generating a chip selection signal and an address readout request, and providing the signal and request to the acquisition circuit.
The present disclosure relates to the technical field of anomaly detection, and provides an anomaly detection method and apparatus, and a computer readable storage medium. The method comprises: acquiring first customs declaration data to be detected, wherein said first customs declaration data comprises a plurality of fields associated with corresponding items and addresses, the plurality of items corresponding to the plurality of fields can form a plurality of item sets, and each item set comprises two items among the plurality of items; calculating an evaluation distance between two addresses associated with the two items in each item set; performing association rule mining on a plurality of pieces of historical second customs declaration data to obtain an evaluation index representing an association relationship between the two items in each item set; using an anomaly detection algorithm to process the evaluation distance and the evaluation index so as to obtain a first result representing whether there is a risk between the two items in each item set or not; and on the basis of the first result, determining whether there is an anomaly in the first customs declaration data or not.
The present disclosure provides a risk detection method and apparatus, and a storage medium. The risk detection method comprises: identifying ingredient content information of an edible commodity that is comprised in customs clearance data, in order to obtain a plurality of ingredient names and corresponding content data; comparing the plurality of ingredient names and the corresponding content data with those in a predetermined food safety standard database to determine a first risk value of the edible commodity; on the basis a food access knowledge base, determining a second risk value of a plurality of pieces of access information of the edible commodity that are comprised in the customs clearance data; acquiring historical risk information of the edible commodity; on the basis of the historical risk information, determining a third risk value of the edible commodity; and on the basis of the first risk value, the second risk value and the third risk value, determining an import risk value of the edible commodity.
G06N 3/0442 - Recurrent networks, e.g. Hopfield networks characterised by memory or gating, e.g. long short-term memory [LSTM] or gated recurrent units [GRU]
The present disclosure relates to an analysis and detection apparatus and a spent fuel reprocessing system. The analysis and detection apparatus comprises: a base; a carrying platform movably arranged on the base in a first direction and a second direction perpendicular to each other in a horizontal plane; an accelerator assembly and a radiation source, wherein the radiation source is located on one side of the accelerator assembly in the second direction, and the radiation source is used for receiving radiations emitted by the accelerator assembly to generate particles; a measuring assembly fixedly mounted relative to the base and used for accommodating an object under detection to implement a detection mode; a calibration assembly detachably arranged and used for accommodating a calibration object to implement a calibration mode; a shielding body used for providing radiation protection for the radiation source, the measuring assembly, and the calibration assembly; and a detector assembly arranged on one side of the shielding body in the first direction; wherein the accelerator assembly, the shielding body, and the detector assembly are all arranged on the carrying platform, and the carrying platform is configured to drive the shielding body to reach or leave a protection position in the first direction.
A radiation dose rate control method, which relates to the technology of radiation, and an accelerator (100). The control method is used for an electron linear accelerator (100) comprising a microwave source, an electron gun (102) and an accelerating tube (104). The control method comprises: when an electron linear accelerator (100) outputs a beam, monitoring a first event used for indicating a change of a beam output parameter (S610), wherein the beam output parameter comprises a pulse of an electron gun (102) and a microwave power of a microwave source, and the first event is determined by means of radiation protection requirements; and in response to monitoring the first event, cutting off the pulse of the electron gun (102), and switching a first microwave power of the microwave source to a second microwave power, so that the leakage dose rate of a radiation safety boundary is less than or equal to a first preset threshold (S620), wherein the level of dark current in an accelerating tube (104) under the second microwave power is less than or equal to a second preset threshold. Further provided are a radiation dose rate control apparatus, an accelerator (100), and a radiation apparatus.
Provided in the present application are an apparatus and method for training and evaluating an AI model. The method comprises: creating a process task template applied to a containerized application management platform, wherein the process task template comprises: process configuration information associated with a training and evaluation task of an AI model, and a stage flag corresponding to each step in the training and evaluation task; and in response to receiving a start command for a continuous training and evaluation task: querying the process task template, splitting the training and evaluation task into stages on the basis of the process configuration information and the stage flag, so as to construct a task in a training stage, performing product escape analysis on the basis of the task in the training stage, so as to generate a product escape analysis result associated with the task in the training stage, starting the task in the training stage on the basis of a product escape result, and when the task in the training stage reaches a preset training stage node, starting the concurrent running of one or more tasks in an evaluation stage without interrupting the task in the training stage.
A static CT device and a CT examination method. The device comprises one or more sets of examination assemblies, each set of examination assembly comprising: a multi-point distributed source (S) configured to emit radiation beams; a detector (DT) facing the multi-point distributed source to receive the radiation beams emitted by the multi-point distributed source, wherein the multi-point distributed source and the detector define an examination channel; and gratings (G0, G1, G2) arranged in the examination channel between the multi-point distributed source and the detector. The gratings have a periodic structure configured to diffract the radiation beams passing through the gratings to form an interference pattern.
The present disclosure provides a radiation imaging device. The device comprises: a radiation source, configured to emit radiation beams; a detector, configured to receive the radiation beams from the radiation source, wherein the radiation source and the detector define an examination channel; and at least one grating arranged in the examination channel between the radiation source and the detector. The at least one grating has a curved surface or is a groove-shaped surface having a plurality of angled planar sections, and the curved surface or the groove-shaped surface faces the radiation source.
A radiation imaging device and a radiation imaging method. The radiation imaging device comprises: a radiation source (S), an N-row detector (DT) and at least one grating (G), wherein the grating (G) is arranged in an inspection channel defined by the radiation source (S) and the N-row detector (DT) and is located between the radiation source (S) and the N-row detector (DT). Each row of detectors of the N-row detector (DT) extends in the transverse direction of the inspection channel, and the N rows of detectors (DT) are arranged along the inspection channel. The grating (G) extends in a plane substantially parallel to the arrangement of the N-row detector (DT), and the at least one grating (G) has a periodic structure, the periodic structure being configured to diffuse the rays passing through the grating (G) to form an interference pattern, the direction of extension of the structural unit of the periodic structure being at a non-zero angle to the direction of extension of the inspection channel.
A radiation imaging device, a CT imaging device, a radiation imaging method, and a CT imaging method. The radiation imaging device comprises: a radiation source (S), a detector (DT), and at least one grating (G0, G1, G2), the at least one grating (G0, G1, G2) being arranged on an inspection channel defined between the radiation source (S) and the detector (DT). The grating (G0, G1, G2) shields only a portion of the radiation beam such that a portion of the radiation beam is received by the detector (DT) after passing through the grating (G0, G1, G2).
A vehicle chassis inspection device and method. The vehicle chassis inspection device comprises a control unit (13), and a reflective sensor (11), an imaging unit (14), an illumination intensity measurement unit (12) and a light-emitting unit (15) which are communicationally connected to the control unit (13). The control unit (13) is configured to determine, when a first signal is received, that a vehicle enters a preset photographing range, and control the imaging unit (14) and the light-emitting unit (15) to be turned on. The imaging unit (14) is configured to photograph a vehicle chassis to obtain a vehicle chassis image. The illumination intensity measurement unit (12) is configured to measure the illumination intensity on the basis of a preset acquisition frequency. The control unit (13) is further configured to determine whether the illumination intensity is within a preset range, and when the illumination intensity is determined to be less than the preset range, on the basis of a preset light intensity compensation relationship, determine the compensation light intensity corresponding to the illumination intensity, and control the light-emitting unit (15) to provide the compensation light intensity, so that the illumination intensity is within the preset range.
The present disclosure provides a CT device and a detection method. The CT device comprises a conveying apparatus; a rotating apparatus; a first control apparatus, which is connected to the conveying apparatus and used for collecting the moving distance of the conveying apparatus and calculating, on the basis of the moving speed of the conveying apparatus and the rotational speed of the rotating apparatus, the rotation angle of the rotating apparatus that corresponds to the moving distance; a second control apparatus, which is connected to the rotating apparatus and used for collecting the rotation angle of the rotating apparatus; and a calculation apparatus, which is connected to the first control apparatus and the second control apparatus and used for receiving the moving distance collected by the first control apparatus, the rotation angle calculated by the first control apparatus, and the rotation angle collected by the second control apparatus, for making the moving distance collected by the first control apparatus correspond one-to-one to the rotation angle collected by the second control apparatus on the basis of the rotation angle calculated by the first control apparatus to obtain synchronous data, and for generating a fluoroscopic image on the basis of detection data and the synchronous data.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
51.
ROBOT PARKING METHOD AND APPARATUS, DEVICE, AND READABLE STORAGE MEDIUM
A robot parking method and apparatus, a device, and a readable storage medium. The robot parking method comprises: in a work start area, obtaining first laser radar data of the surrounding environment around a robot by means of a laser radar on the robot (S201); according to the first laser radar data, determining first coordinate information of the robot in a first coordinate system (S202); obtaining second coordinate information of a first marker, which is in a parking area, in the first coordinate system (S203); according to a first relative position relationship between the first coordinate information and the second coordinate information, determining third coordinate information of the first marker in a second coordinate system in which the laser radar is located (S204); according to the third coordinate information, generating a first movement path for the robot (S205); and moving along the first movement path from the work start area to the parking area (S206).
A system for positioning a detector of a transmissive inspection device for receiving detection rays. The system comprises: ray position detection and display portions (8), which are configured to detect and display the position of a ray beam plane (3) emitted by a ray source (2), wherein the projection of the ray beam plane (3) in a first plane opposite to a ray emission direction of the ray source (2) is a straight line; a visible-light emitting component (7), which is configured to emit a visible-light beam plane (10), wherein the projection of the visible-light beam plane (10) in the first plane is a straight line; and an adjustment apparatus (9), which is connected to the visible-light emitting component (7), and is configured to adjust a visible-light emission direction of the visible-light emitting component (7) or adjust the position of the visible-light emitting component (7) in a direction perpendicular to the visible-light beam plane (10), so as to adjust the visible-light beam plane (10) to the position of the ray beam plane (3) displayed by the ray position detection and display portions (8), so that a detector (5) is arranged or adjusted by taking the visible-light beam plane (10) as a reference plane, and thus the detector (5) can receive rays emitted by the ray source (2). Further provided is a method for positioning a detector of a transmissive inspection device for receiving detection rays.
A biological information collection device and method, the biological information collection device comprising: a bracket (10); a carrier (20) movably arranged on the bracket (10); a position sensor (30) provided on the carrier (20) and configured to sense the relative position of a collection object (CO) and the carrier (20) at least in the direction of height; a biological information collector (40) arranged on the carrier (20) and configured to collect biological information of the collection object (CO); a lifting driver (50) in drive connection with the carrier (20) and configured to drive the carrier (20) to ascend and descend relative to the bracket (10); and a controller (60) in signal connection with the position sensor (30), the biological information collector (40), and the lifting driver (50), and configured to enable the lifting driver (50) to drive the carrier (20) on the basis of the sensing result of the position sensor (30), and enable the biological information collector (40) to collect biological information of the collection object (CO).
A collimator assembly (1), comprising: at least one position adjusting portion (11), wherein the at least one position adjusting portion (11) is located at the end portion of the collimator assembly (1) and is used for adjusting the position of the collimator assembly (1); a collimator body portion (12) with at least one position adjusting portion (11) being located on the collimator body portion (12), wherein the collimator body portion (12) comprises a first adjustment component (121), a left collimator component (122), a right collimator component (123), and adjustment holes (124) located on the left collimator component (122) and the right collimator component (123), the left collimator component (122) and the right collimator component (123) being arranged side by side and an collimator slit (125) being provided therebetween, and each adjustment component (121) passing through the corresponding adjustment hole (124) so as to adjust the width of the collimator slit (125); a shielding box (13), the shielding box (13) being fixed to the collimator body portion (12) and being located on the side surface opposite to the position adjusting portion (11), and the shielding box (13) being provided on both the top portion and the bottom portion thereof a gap (131) corresponding to the collimator slit (125).
Disclosed in the present application is a carcass inspection and analysis system. The carcass inspection and analysis system comprises: an inspection device comprising at least two inspection channels for carcasses to pass through, wherein the at least two inspection channels are arranged in a first direction, a transmitter and a receiver are respectively provided on two opposite sides of each inspection channel in the first direction, and each transmitter is configured to emit rays to a receiver, so that at least one beam plane suitable for scanning and inspecting a carcass passing through an inspection channel is formed in each inspection channel; and a hanging and transferring device comprising a conveying mechanism and hangers arranged on the conveying mechanism, wherein each hanger comprises at least two hanging portions, each hanging portion can hang a carcass, and the conveying mechanism is configured to drive the hangers to pass through the inspection device in a second direction, and to cause each hanging portion to pass through a corresponding inspection channel in the second direction, the first direction intersecting the second direction. The carcass inspection and analysis system disclosed in the present application has a relatively high inspection precision, thus facilitating accurate analysis and grading of carcasses.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G01N 21/13 - Moving of cuvettes or solid samples to or from the investigating station
56.
RAY CONVERSION TARGET, RAY SOURCE AND IRRADIATION DEVICE
A ray conversion target (100), comprising a target body (1), a target portion (2) and a heat dissipation portion, wherein the target portion (2) is arranged inside the target body (1), and the target portion (2) has a first face and a second face arranged opposite each other, the first face being configured to generate rays; and the heat dissipation portion is configured to accommodate a heat dissipation fluid and is at least partially located on the second face of the target portion (2). A fluid inlet of the heat dissipation portion is divided into N first sub-inlets (31), each of the first sub-inlets (31) being in communication with a corresponding first flow channel (32), where N is an integer greater than or equal to 2. Each of the first sub-inlets (31) is different from at least one of the other first sub-inlets in terms of size, and the N first sub-inlets (31) are configured to regulate the flow rate of the fluid in each first flow channel (32). Further provided are a ray source and an irradiation device.
Disclosed in the present application are an electric device, a charging device, a charging system, and a charging method The electric device comprises a charged contact, a first switch circuit, a second switch circuit, a voltage measurement circuit, a battery, and a first control apparatus. After receiving a measurement voltage signal that is output by the voltage measurement circuit, the first control apparatus controls the first switch circuit to be switched off and controls the second switch circuit to be switched on, so that the safety of the electric device and the charging device during a charging idle period is improved, and a charging control process is simplified.
The present disclosure relates to the technical field of channel detection. Provided are a channel detection method, apparatus and system. The channel detection method comprises: receiving point cloud data from a scanning LiDAR arranged on at least one side of a channel; on the basis of the point cloud data, determining the contour of an object to be detected that enters the channel and the distance from said object to the at least one side of the channel; on the basis of the contour of said object and the distance from said object to the at least one side of the channel, determining the category of said object; acquiring a restricted-object category corresponding to the type of the channel; and when the category of said object comprises the restricted-object category corresponding to the type of the channel, outputting alarm prompt information.
Provided is a heat dissipation device for a Marx generator. The device comprises N cooling plates arranged in sequence; a switch assembly of a Marx generator is fixed on each cooling plate, and the switch assemblies on the N cooling plates are sequentially connected in series; each cooling plate has a water inlet and a water outlet, cooling water flows into the cooling plate from the water inlet and flows out from the water outlet, and the water inlets and water outlets of different cooling plates are connected by means of water cooling lines to achieve the flow of the cooling water across the cooling plates; the cooling water flows in from the water inlet of the first cooling plate, flows out from the water outlet of the first cooling plate, sequentially passes through m cooling plates except the second cooling plate, then flows into the water inlet of an N-th cooling plate, flows out from the water outlet of the N-th cooling plate, sequentially flows through k cooling plates, and then flows out from the water outlet of the second cooling plate, wherein m+k=N-3, 0≤m≤N-3, 0≤k≤N-3, and the m cooling plates and the k cooling plates are different from each other.
A meat composition calculation method. The method comprises: executing dual-energy X-ray scanning on a piece of meat, so as to obtain scanned image data of the piece of meat; converting the expression form of the scanned image data, so as to obtain image conversion data of the piece of meat; training a meat composition calculation model on the basis of a plurality of meat samples, so as to obtain a trained meat composition calculation model; and on the basis of the image conversion data, using the trained meat composition calculation model to calculate meat composition information of the piece of meat.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
G06V 10/774 - Generating sets of training patternsBootstrap methods, e.g. bagging or boosting
61.
OBJECT INSPECTION SYSTEM AND OBJECT INSPECTION METHOD
The present disclosure relates to the field of object inspection, the field of radiation scanning, the field of security inspection or other fields. Provided are an object inspection system. The system comprises: a conveying apparatus, which comprises a first conveying mechanism and a third conveying mechanism for conveying an object; a ray scanning apparatus, which comprises a second conveying mechanism configured to convey the object from the first conveying mechanism to a ray scanning area and convey the object to the third conveying mechanism; and a control apparatus, which is in communication connection with the conveying apparatus and the ray scanning apparatus, wherein the conveying apparatus, the ray scanning apparatus and the control apparatus use a unified communication protocol, and the conveying apparatus is configured to control the operation of the second conveying mechanism by means of the control apparatus. Further provided in the present disclosure are an object inspection method.
A baggage sorting system and sorting method, in which a detection device (I) is used for detecting a baggage state and conveying detected baggage to a baggage output area (A); when the baggage is normal baggage, a robot (1) is controlled to convey the baggage to a transfer area (C) to be transferred, and when the baggage is suspicious baggage, the robot (1) is controlled to move the suspicious baggage to a sealing inlet area (D), so that a sealing device (J) can seal the baggage.
The present disclosure relates to a method for preparing an oxygen evolution electrode, an oxygen evolution electrode and an electrolytic cell. The method (100) comprises: preparing a thin film on the surface of a conductive substrate by means of magnetron sputtering, wherein the thin film at least contains a catalyst substance serving as a catalyst in an oxygen evolution reaction and a soluble substance that can dissolve in an alkaline solution (102); and making the thin film come into contact with the alkaline solution, such that the soluble substance dissolves in the alkaline solution, so that a porous catalyst layer consisting of the catalyst substance is formed on the surface of the conductive substrate, and the conductive substrate and the porous catalyst layer form an oxygen evolution electrode (104). The method of the present disclosure can improve the catalytic activity and stability of an oxygen evolution electrode, and facilitates large-scale oxygen evolution electrode preparation, and can effectively reduce the production cost and the application cost.
C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
C25B 11/077 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the compound being a non-noble metal oxide
C25B 11/091 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of at least one catalytic element and at least one catalytic compoundElectrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of two or more catalytic elements or catalytic compounds
C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
64.
METHOD AND APPARATUS FOR DETERMINING GOODS TARIFF CODE BASED ON DEEP LEARNING
The present disclosure relates to a method and apparatus for determining a goods tariff code based on deep learning. The method comprises: acquiring declaration data of declared goods; on the basis of the declaration data, determining a sub-category, for tariff code classification, of the declared goods; and determining a predicted tariff code of the declared goods on the basis of the determined sub-category. In embodiments of the present disclosure, the method can further comprise comparing the predicted tariff code of the declared goods with a declared tariff code in the declaration data to determine whether the current declaration is abnormal. A deep learning model according to the embodiments of the present disclosure can automatically predict the tariff code of the declared goods and automatically complete tariff code abnormal declaration detection.
Disclosed in the present application are an air blowing path detection apparatus and a material sorting system. The air blowing path detection apparatus is used for detecting the operation condition of an air blowing path, and comprises a pressure measurement module, a transmission assembly and a driving module, wherein the driving module is connected to the transmission assembly, and the transmission assembly is connected to the pressure measurement module; the driving module is used for driving the transmission assembly, such that the transmission assembly drives the pressure measurement module to move relative to a nozzle, thereby making the pressure measurement module align with the nozzle; and the pressure measurement module is used for collecting air pressure data at the nozzle after the pressure measurement module aligns with the nozzle, wherein the air pressure data is used for determining the operation condition of an air blowing path. An external pressure measurement module is used to detect the operation condition of an air blowing path in any operation state, without invasively detaching the air blowing path, thereby improving the efficiency of operation condition detection for the air blowing path, and thus improving the material sorting efficiency.
The present disclosure provides a CT image reconstruction method, apparatus, and system, and a storage medium. The CT image reconstruction method comprises: acquiring coordinate values of N target points on a target object at a specified moment, N being a natural number greater than 1, and the target object being an object undergoing CT scanning in a CT scanning device; by using the coordinate values of the N target points at the specified moment and coordinate values of the center of rotation of the CT scanning device, determining a deflection angle of the target object; by using the deflection angle and the coordinate values of the center of rotation, correcting coordinate values of each point in a current scanning area of the target object, so as to obtain corrected coordinate values of each point; and, by using the corrected coordinate values of each point and projection data acquired at the specified moment, obtaining a reconstructed CT image.
The present disclosure relates to a method and apparatus for automatically identifying a hazardous chemical, and a computer readable medium. The method for automatically identifying a hazardous chemical comprises: receiving data comprising chemical component information of an article; pre-processing the data; using a compound content relationship extraction model to extract from the pre-processed data a triple consisting of a compound field, a relationship field, and a content field, wherein the compound field indicates the name of a compound, the content field indicates a content proportion value of the compound, and the relationship field indicates the relationship between the compound and the content proportion value; and comparing the triple with a pre-constructed hazardous chemical dictionary to determine whether the corresponding compound is a hazardous compound.
The present disclosure provides a CT scanning imaging system based on a single linear scanning channel. The system comprises: a conveying apparatus, used for moving a subject to be scanned along a predetermined conveying direction in the single linear scanning channel; a plurality of scanning sections, each scanning section comprising a plurality of ray sources and at least one detector, the plurality of scanning sections being arranged at intervals in the conveying direction, wherein in each scanning section, the plurality of ray sources are used for alternately emitting ray beams so as to form a scanning region, the plurality of ray sources are located on one side of the scanning channel and sequentially arranged at intervals, and the at least one detector is located on the other side of the scanning channel and used for detecting projection data formed by the ray beams after passing through the subject to be scanned while the subject to be scanned traverses the scanning region; and an imaging apparatus, which, on the basis of the projection data detected by the detectors in the plurality of scanning sections, generates a three-dimensional reconstructed image of the subject to be scanned.
G01V 5/226 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
G01V 5/22 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
A computed tomography (CT) scanning system, comprising: a conveying apparatus (3), which moves a scanned object (30) in a scanning channel (31) in a conveying direction; a distributed ray source (1), which comprises m targets (10), wherein the m targets (10) are activated according to a predetermined order so as to emit ray beams, with m being a positive integer greater than or equal to two, a ray beam emitted from at least one target (10) from among the m targets (10) is modulated into a first ray beam having a first energy, and a ray beam emitted from at least another target (10) from among the m targets (10) is modulated into a second ray beam having a second energy, the first energy being lower than the second energy; a detector array (2), which is used for detecting that the first ray beam passes through the scanned object (30), so as to generate first projection data, and detecting that the second ray beam passes through the scanned object (30), so as to generate second projection data; and an image reconstruction apparatus (4), which generates a CT scanned image of the scanned object (30) on the basis of the first projection data and the second projection data, wherein the distributed ray source (1) is configured to rotate around a first axis when the scanned object (30) is being scanned, the first axis being parallel to the conveying direction.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
The present disclosure provides a computed tomography (CT) scanning system, comprising: a conveying device, used for moving an object to be scanned in a scanning tunnel in a preset conveying direction; a distributed ray source, wherein the distributed ray source comprises m targets, the m targets are configured to be activated according to a predetermined sequence to emit ray beams, and m is a positive integer greater than or equal to 2; a detector array, used for detecting rays emitted from the distributed ray source and passing through said object, and generating projection data on the basis of the detected rays; and an image reconstruction device, configured to generate a CT scanning image of said object on the basis of the projection data, wherein the distributed ray source is configured to rotate around a first axis when said object is scanned, the first axis being parallel to the conveying direction; and in the distributed ray source, at least two targets among the m targets are offset in a tangential direction, the tangential direction being a direction extending along a tangent line tangent to the rotation direction of the distributed ray source.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
A CT scanning system, comprising: a conveying device (3), used for allowing a scanning object (30) to move in a preset conveying direction in a scanning channel (31); p scanning segments, each scanning segment comprising a distributed ray source (1) and a detector array (2), the p scanning segments being spaced apart in the conveying direction, p being a positive integer greater than or equal to 2, in each scanning segment, the distributed ray source (1) comprising m targets, the m targets being configured to be activated in a predetermined order so as to emit ray beams, m being a positive integer greater than or equal to 2, and the detector arrays (2) being used for detecting rays emitted from the distributed ray sources (1) and passing through the scanning object (30), and generating projection data on the basis of the detected rays; and an image reconstruction device (4) for generating a computed tomography image of the scanning object (30) on the basis of the projection data detected by each detector array (2) in the p scanning segments. The distributed ray source (1) of at least one scanning segment is configured to rotate about a first axis parallel to the conveying direction when the scanning object (30) is scanned.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
A linear scanning computed tomography (CT) imaging system, comprising: a conveying apparatus (3), used for enabling an object (30) under scan to move in a preset conveying direction (D3) in a scanning channel (4); ray sources (1), used for alternately emitting ray beams to form a scanning area; detectors (2), including first detectors (21) and a second detector (22), wherein the first detectors (21) are used for detecting first projection data formed by the ray beams passing through said object (30) in the process of said object (30) passing through the scanning area, and the second detector (22) is used for detecting second projection data formed by the ray beams passing through said object (30) in the process of said object (30) passing through the scanning area; and an imaging apparatus (5), used for generating a digital ray image of said object (30) on the basis of the second projection data, and obtaining a CT scanning image of said object (30) on the basis of the first projection data and the second projection data. Also provided is a linear scanning CT imaging method.
The present disclosure provides a sandwich structure test method and device. The test method comprises: acquiring a detection angle of a sandwich structure of an object under test; and testing the sandwich structure on the basis of the detection angle of the sandwich structure.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
74.
TEMPLATE LIBRARY CONSTRUCTION AND RETRIEVAL METHOD AND APPARATUS
The present application relates to a template library construction and retrieval method and apparatus. The method comprises: a template library construction step, involving: for template images, on the basis of a variational autoencoder, acquiring hidden vectors corresponding to the template images, and storing the hidden vectors to construct a template library; and a template library retrieval step, involving: for a test image, on the basis of a variational autoencoder, acquiring a hidden vector corresponding to the test image, and using the hidden vector to perform retrieval in the template library, so as to obtain template data. In the present application, by means of such a template library construction and retrieval method and apparatus, the template library construction and retrieval efficiency can be improved.
A safety protection method and apparatus and an electronic fence, relating to the technical field of electronic fences. The safety protection method comprises: receiving first shading detection information (S110), wherein the first shading detection information is sent out when a first light beam between a first monitoring terminal (201) and a second monitoring terminal (202) in a first group of monitoring terminals is blocked by an object; receiving second shading detection information (S120), wherein the second shading detection information is sent out when a second light beam between a third monitoring terminal (203) and a fourth monitoring terminal (204) in a second group of monitoring terminals is blocked by the object; determining the category of the object on the basis of the first shading detection information and the second shading detection information (S130); and outputting indication information carrying the category of the object (S140).
G08B 13/183 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
G08B 21/12 - Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
G08B 19/00 - Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
A ray inspection system (100) adapted to inspect an elongated article (200). The ray inspection system comprises: a ray inspection device (1) comprising a scanning device (11) adapted to perform X-ray scanning inspection on the elongated article (200); a conveying track (2) comprising an input track (21) located on the upstream side of the scanning device (11) and an output track (22) located on the downstream side of the scanning device; and a carrying mechanism (3), the carrying mechanism (3) having two ends movably mounted on the conveying track (2) and being configured to convey the elongated article (200) from the input track (21) to the output track (22) through the scanning device (11), so as to perform X-ray scanning inspection on the elongated article (200).
The present application provides a meat grading method and system. The method comprises: acquiring multi-dimensional meat imaging information of meat; performing high-precision measurement on the meat to obtain grading truth value data of the meat; and computing a grading index parameter computation value on the basis of the multi-dimensional meat imaging information, and training a grading index parameter model on the basis of the grading index parameter computation value and the grading truth value data to obtain a trained grading index parameter model.
G06V 10/26 - Segmentation of patterns in the image fieldCutting or merging of image elements to establish the pattern region, e.g. clustering-based techniquesDetection of occlusion
A conveyor device, a fan blade scanning system and a fan blade scanning method. The conveyor device (100) comprises a driving conveying apparatus (1) and a driven conveying apparatus (2); the driving conveying apparatus comprises a main driving member and a main body member (11); the main body member comprises a carrier component (111) and a micro-motion component (112); the carrier component is connected to the main driving member, so that the main driving member drives the carrier component to move at a first set speed; the micro-motion component is movably arranged on the carrier component; and a first end of a fan blade (200) is suitable for being fixedly installed on the micro-motion component, and a second end of the fan blade is suitable for being fixedly installed on the driven conveying apparatus. When the carrier component stops moving, the micro-motion component drives the fan blade and the driven conveying apparatus to perform micro-motion at a second set speed. The conveyor device enables fan blades of different specifications to smoothly pass through a scanning area of a scanning device. The conveyor device has a simple structure, is flexible and convenient in use, and requires low manufacturing cost and low maintenance cost.
A control method and apparatus for a conveying system, an electronic device, a readable storage medium, and a conveying system. The control method comprises: in response to goods entering a security inspection system, generating simulated goods on a simulation system, pre-created on a human-computer interface, of a conveying system and encoding the simulated goods, wherein the simulation system comprises a plurality of simulated conveying devices corresponding to a plurality of conveying devices; on the basis of positioning information of the conveying system on the goods, updating position information on the simulation system of the simulated goods corresponding to the goods, wherein the position information comprises a simulated conveying device where the simulated goods are located; and when the conveying of the goods in the conveying system is stopped, on the basis of the position information of the simulated goods corresponding to the goods, controlling a conveying device corresponding to the simulated conveying device in the position information to act so as to complete the conveying of the goods in the conveying system.
B65G 43/00 - Control devices, e.g. for safety, warning or fault-correcting
G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
B65G 37/00 - Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
B65G 43/08 - Control devices operated by article or material being fed, conveyed, or discharged
80.
SECURITY INSPECTION MACHINE OPERATION METHOD, SYSTEM AND APPARATUS, DEVICE, MEDIUM, AND PROGRAM PRODUCT
Provided is a security inspection machine operation method for a recognition end, relating to the field of security inspection. The method comprises: carrying out suspicious object recognition on video data from a target security inspection end; and once a suspicious object is recognized, sending a keyboard and mouse message to the target security inspection end on the basis of a preset operation instruction, wherein the target security inspection end is configured to execute the preset operation instruction in response to the keyboard and mouse message. Further provided are a security inspection machine operation system and apparatus, a device, a storage medium, and a program product.
G06F 3/04883 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
81.
TESTING DEVICE AND TESTING METHOD FOR OBJECT TESTING
Provided are a testing device and testing method for object testing. The testing device comprises: a testing mechanism, a position sensing assembly, and a conveying mechanism. The testing mechanism comprises: a ray emitter, and at least two ray receivers arranged spaced apart in an object conveying direction; a testing area is provided between the ray emitter and each ray receiver; the testing mechanism is used for testing an object when the object is located in the testing area; the position sensing assembly is used for testing whether the object is located in the testing area; and the conveying mechanism is arranged between the ray emitter and the ray receivers and conveys the object, and the conveying mechanism is used for conveying the object at a first transmission speed when the testing mechanism does not test the object and for conveying the object at a second transmission speed when the testing mechanism tests the object, wherein the first transmission speed is greater than the second transmission speed.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
B65G 43/08 - Control devices operated by article or material being fed, conveyed, or discharged
The present disclosure relates to a radiation scanning imaging system, comprising: a cabin body having at least one opening and defining a detection channel used for performing scanning imaging on an object to be scanned, the detection channel extending from the at least one opening into the cabin body; a scanning device provided in the cabin body and used for performing scanning imaging on said object; and a conveying device arranged at the bottom of the cabin body and used for driving said object to advance in the extension direction of the detection channel and pass through the scanning device. The conveying device comprises: a bottom wall for defining the bottom of the cabin body; and at least one door body located at the at least one opening of the cabin body and connected to the bottom wall. Said object enters or leaves the detection channel from the at least one door body, wherein the at least one door body can translate relative to the bottom wall so as to be stored in the cabin body or be unfolded outward from the cabin body.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
83.
INSPECTION DEVICE AND INSPECTION METHOD FOR BATTERY CELL INSPECTION
An inspection device (100) and an inspection method for a battery cell (200). The inspection device (100) comprises: a support mechanism (10), a rotation mechanism (20), a conveying mechanism (30), and an inspection mechanism (23). The rotation mechanism (20) is arranged on the support mechanism (10), and comprises a rotation support (21) and a rotary disc (22), wherein the rotation support (21) is arranged on the support mechanism (10), and the rotary disc (22) can circumferentially rotate relative to the rotation support (21). The conveying mechanism (30) runs through the rotary disc (22), and is suitable for conveying a battery cell (200). The inspection mechanism (23) is arranged on the rotary disc (22), and comprises a ray source (231) and a detector (232), wherein the ray source (231) and the detector (232) are suitable for inspecting the battery cell (200) on the conveying mechanism (30), and the ray source (231) and the detector (232) are suitable for circumferentially rotating on the rotary disc (22).
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G01N 23/18 - Investigating the presence of defects or foreign matter
G01B 15/00 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
84.
INSPECTION DEVICE AND INSPECTION METHOD FOR BATTERY CELL INSPECTION
Provided are an inspection device and an inspection method for battery cell inspection. The inspection device comprises a supporting mechanism, a rotating mechanism, a conveying mechanism and an inspection mechanism. The rotating mechanism is arranged on the supporting mechanism and comprises a rotating support and a rotating disc, wherein the rotating support is arranged on the supporting mechanism, and the rotating disc can circumferentially rotate relative to the rotating support; the conveying mechanism comprises two reciprocating conveyor belts arranged on two sides of the rotating disc, respectively, and the reciprocating conveyor belts are suitable for carrying battery cells to enter or leave an inspection zone; and the inspection mechanism is arranged on the rotating disc and comprises a ray source and a detector, wherein the ray source and the detector are suitable for inspecting the battery cells on the conveying mechanism, and the ray source and the detector are suitable for circumferentially rotating on the rotating disc.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
85.
TESTING DEVICE, AND TESTING METHOD FOR BATTERY CELL TESTING
A testing device (100), and a testing method for a battery cell (200). The testing device (100) comprises: a supporting mechanism (10), a rotating mechanism (20), a conveying mechanism (30), a moving mechanism (40) and a testing mechanism (23). The rotating mechanism (20) is arranged on the supporting mechanism (10), and the rotating mechanism (20) comprises a rotating support (21) and a rotating disk (22), wherein the rotating support (21) is arranged on the supporting mechanism (10), and the rotating disk (22) can circumferentially rotate relative to the rotating support (21); the conveying mechanism (30) is adapted to convey the battery cell (200) to a testing area, and the conveying mechanism (30) is arranged extending perpendicular to the axis of rotation of the testing mechanism (23); the moving mechanism (40) is arranged between the supporting mechanism (10) and the rotating mechanism (20), and the rotating mechanism (20) can move relative to the supporting mechanism (10) under the support of the moving mechanism (40); and the testing mechanism (23) is arranged on the rotating disk (22), and the testing mechanism (23) comprises a ray source (231) and a detector (232), wherein the ray source (231) and the detector (232) are adapted to test the battery cell (200) on the conveying mechanism (30), and the ray source (231) and the detector (232) are adapted to circumferentially rotate on the rotating disk (22).
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G01N 23/18 - Investigating the presence of defects or foreign matter
G01B 15/00 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
86.
TESTING DEVICE, AND TESTING METHOD FOR BATTERY CELL TESTING
A testing device, and a testing method for battery cell testing. The testing device comprises: a supporting mechanism (10), a rotating mechanism (20), a conveying mechanism (30) and a testing mechanism (40). The rotating mechanism (20) is arranged on the supporting mechanism (10); the conveying mechanism (30) is adapted to convey a battery cell (200); and the testing mechanism (23) is arranged on the rotating mechanism (20), and the testing mechanism (23) comprises a ray source (231) and a detector (232), wherein the ray source (231) and the detector (232) are adapted to test the battery cell (200) on the conveying mechanism (30), and the ray source (231) and the detector (232) are adapted to circumferentially rotate on the rotating mechanism (20).
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
87.
DETECTION APPARATUS AND DETECTION METHOD FOR BATTERY CELL DETECTION
Provided are a detection apparatus and a detection method for battery cell detection. The detection apparatus comprises: a supporting mechanism, a rotating mechanism, a conveying mechanism, and a detection mechanism. The rotating mechanism is arranged on the supporting mechanism, the rotating mechanism comprises a rotating support and a rotating disc, the rotating support is arranged on the supporting mechanism, and the rotating disc is capable of rotating circumferentially relative to the rotating support; the conveying mechanism penetrates through the rotating disc, and the conveying mechanism is adapted to convey a battery cell; the detection mechanism is arranged on the rotating disc, the detection mechanism comprises a ray source and a detector, the ray source and the detector are adapted to detect the battery cell on the conveying mechanism, and the ray source and the detector are adapted to rotate circumferentially on the rotating disc.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G01N 23/18 - Investigating the presence of defects or foreign matter
G01B 15/00 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
88.
RADIATION SHIELDING DEVICE, RADIATION SHIELDING METHOD AND SAFETY INSPECTION APPARATUS
A radiation shielding device (30), comprising a fixed shielding member (31) and a movable shielding assembly (32). The fixed shielding member (31) is suitable for being fixedly mounted and comprises a first movement space configured to allow a beam output component (11) of a radiation device (10) to be able to move within the first movement space to transmit rays to a tested object (70) after the beam output component reaches a target position. The movable shielding assembly (32) is suitable for being connected to the beam output component (11) and is configured to move relative to the fixed shielding member (31) as the beam output component (11) moves, wherein at any target position, the movable shielding assembly (32) and the fixed shielding member (31) match each other to form N shielding layers surrounding the beam output component (11), N being an integer greater than or equal to 1; and the N shielding layers are configured to shield radiation of the rays to the outside of the beam output direction of the beam output component (11).
An inspection device (100) and an inspection method for a battery cell (200). The inspection device (100) comprises: a supporting mechanism (10), a rotating mechanism (20), a conveying mechanism (30), a rotary mechanism (40), and an inspection mechanism (23). The rotating mechanism (20) is arranged on the supporting mechanism (10), and the rotating mechanism (20) comprises a rotating support (21) and a rotating disc (22), wherein the rotating support (21) is arranged on the supporting mechanism (10), and the rotating disc (22) can circumferentially rotate relative to the rotating support (21); the conveying mechanism (30) runs through the rotating disc (22), and the conveying mechanism (30) is suitable for conveying the battery cell (200); the rotary mechanism (40) is arranged between the supporting mechanism (10) and the rotating mechanism (20), and the rotating mechanism (20) can rotate relative to the supporting mechanism (10) under the support of the rotary mechanism (40); and the inspection mechanism (23) is arranged on the rotating disc (22), and the inspection mechanism (23) comprises a ray source (231) and a detector (232), wherein the ray source (231) and the detector (232) are suitable for inspecting the battery cell (200) on the conveying mechanism (30), and the ray source (231) and the detector (232) are suitable for circumferentially rotating on the rotating disc (22). The inspection device (100) can improve the inspection quality and the inspection efficiency while reducing the placement requirements of the battery cell (200).
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G01N 23/18 - Investigating the presence of defects or foreign matter
G01B 15/00 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
90.
INSPECTION DEVICE, INSPECTION METHOD, AND INSPECTION SYSTEM
An inspection device, comprising: a transmission imaging apparatus, which is configured to construct a transmission image of an inspected object; and a diffraction detection apparatus, which is configured to detect the characteristic of at least part of the inspected object. The transmission imaging apparatus defines an inspection channel (4). The diffraction detection apparatus is able to move to a specific position to detect radiation of at least part of diffraction of the inspected object. Further provided are an inspection method and an inspection system.
An inspection device, comprising: a mobile frame (4); a transmission imaging apparatus, which is mounted on the mobile frame (4), defines an inspection channel extending in a first direction, and is configured to construct a transmission image of an inspected object located on the inspection channel; and a diffraction detection apparatus, which is mounted on the mobile frame (4), and is configured to be able to detect the characteristic of at least part of the inspected object, wherein the mobile frame (4) can carry the transmission imaging apparatus and the diffraction detection apparatus to move in the first direction. Further provided are an inspection method and an inspection system.
The present disclosure provides a back scattering inspection device for inspecting an m-layer structured object under inspection, applied to the technical field of detection. The m-layer structured object under inspection at least comprises an outer-layer structure and an inner-layer structure, m being an integer greater than or equal to 2; the back scattering inspection device comprises a ray generator, n detectors, and a shielding assembly; the ray generator is arranged above the outer-layer structure and is configured to emit incident rays toward the m-layer structured object under inspection; the n detectors are arranged above the outer-layer structure and located in the circumferential direction of the incident rays, so as to receive inner-layer scattered rays scattered from the incident rays directed onto the inner-layer structure, n being an integer greater than or equal to 1; the shielding assembly is configured to at least partially surround the detectors, so as to prevent some of the incident rays from being directed onto the detectors and prevent outer-layer scattered rays scattered from the incident rays directed onto the outer-layer structure from being directed onto the detectors.
G01N 23/20008 - Constructional details of analysers, e.g. characterised by X-ray source, detector or optical systemAccessories thereforPreparing specimens therefor
An energy calibration determining method and apparatus for a radioactive detector, a device and a medium. The method comprises the following steps: acquiring background energy spectra of multiple known nuclides, the background energy spectra being obtained by performing detection on the multiple known nuclides by a radioactive detector (S110); performing differentiation on the background energy spectra to obtain a channel address-difference map, the channel address-difference map comprising multiple pieces of effective peak information determined from multiple pieces of full-energy peak information (S120); determining a target coefficient according to the channel address-difference map, wherein the target coefficient represents a calibration coefficient in an initial energy channel address function (S130); and determining a target energy channel address function according to the channel address-difference map and the initial energy channel address function, wherein the target energy channel address function represents the energy calibration of the radioactive detector (S140). The energy calibration determining apparatus comprises an acquisition module (610), a differentiation module (620), a first determining module (630), and a second determining module (640).
The present disclosure relates to a security inspection system for an aviation cargo box and a control method therefor. The security inspection system comprises: CT equipment used for carrying out whole box scanning on an aviation cargo box and generating scanning data; an image discrimination station used for identifying and marking security inspection information of a suspected object on the basis of the scanning data; a box opening inspection station provided with a mobile device and capable of submitting box opening inspection information, wherein the mobile device synchronizes the security inspection information of the suspected object, performs a box opening inspection operation on the suspected object in the aviation cargo box, and allows input of box opening inspection information formed after the box opening inspection operation; and a confirmation station used for confirming the security inspection information and the box opening inspection information of the suspected object.
G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
95.
SCALE ADAPTIVE METHOD AND APPARATUS, AND IMAGE RECOGNITION METHOD AND APPARATUS
The present invention relates to a scale adaptation method and apparatus, and an image recognition method and apparatus. The scale adaptation method comprises: a collected data acquiring step: acquiring collected data collected by a known device and a target device from a predetermined object; a search space determining step: acquiring search space of scale factors according to the collected data; a corrected image set acquiring step: correcting, by using each scale factor, verification image sets collected by the target device, so as to obtain a plurality of corrected image sets; an intelligent recognition step: recognizing the verification image sets and the corrected image sets to acquire a recognition result; an evaluation step: acquiring an evaluation index for the corrected image sets using the recognition result; a step of determining the number of iterations: determining whether the number of iterations for searching the scale factor is greater than a predetermined number of times, and when the number of iterations is not greater than the predetermined number of times, re-constructing the search space based on the evaluation index; and a scale factor determining step: determining the scale factor according to the evaluation index when the number of iterations is greater than the predetermined number of times.
The present disclosure relates to the field of security inspection. Provided is a method for separating a target object in a three-dimensional CT image. The method comprises: on the basis of CT data, acquiring point cloud data, the CT data being obtained by a security inspection device performing computed tomography scanning on N objects to be inspected, and N being greater than or equal to 2; according to the point cloud data, determining a target object area in N said objects; and separating the target object area from a three-dimensional CT image. Further provided in the present disclosure are an apparatus for separating a target object in a three-dimensional CT image, a device, a storage medium and a program product.
G06V 10/762 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using clustering, e.g. of similar faces in social networks
97.
INSPECTION PASSAGE FOR CT INSPECTION AND CT INSPECTION APPARATUS
An inspection passage (100) for CT inspection and a CT inspection apparatus (1000). The inspection passage (100) comprises: at least two base ducts (11) and carbon fiber connectors (12). The base ducts (11) are metal parts; the two ends of each base duct (11) are open, the base ducts (11) are all sequentially distributed in the length direction of the inspection passage (100), and duct cavities of all the base ducts (11) are sequentially in communication to allow passage of an object to be detected, wherein two base ducts (11) are spaced apart in the length direction, and a radiation gap (10) is defined between the two base ducts (11); the carbon fiber connectors (12) are arranged as extending in the length direction, a middle portion of each carbon fiber connector (12) is located in the radiation gap (10), two end portions of each carbon fiber connector (12) are at least respectively fixedly connected to the base ducts (11) at the two sides of the radiation gap (10), and the carbon fiber connectors (12) are solid rods or pipe bodies.
G01N 23/02 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material
A pushing mechanism and a detection system. The pushing mechanism comprises a displacement device (10), a driving device (20) and a guide device (30). The displacement device comprises a main plate (11) and a pushing member (12) movably arranged at a side edge of the main plate; the driving device is connected to the main plate and is used for driving the displacement device to move; after the guide device comes into contact with the pushing member, the pushing member can be switched between a first state and a second state, the highest point of the pushing member in the first state being higher than the highest point of the pushing member in the second state. When the highest point of the pushing member in the second state is lower than the highest point of the pushing member in the first state, the pushing member can keep clear a conveying path of an object, such that a detection device can complete a returning operation of the object, thereby improving the detection efficiency of the detection device.
Disclosed are a CT imaging system and a CT detection apparatus. The CT imaging system comprises: a connecting flat panel, a strong support, a weak support, a transmitter, a detector, an electrical component, and a shielding box. The connecting flat panel is annular and has a rotational axis. The strong support is connected to one side of the connecting flat panel. The strong support comprises a first strong support and a second strong support which are distributed at intervals in a circumferential direction of the connecting flat panel. The weak support and the strong support are connected to the same side of the connecting flat panel. The transmitter is connected to the first strong support. The detector is connected to the second strong support. The electrical component is connected to the weak support. The shielding box is connected to at least one weak support.
A voltage doubling rectifier circuit is provided, which is applicable in the technical field of power electronics. The present voltage doubling rectifying circuit comprises: a transformer, which comprises a primary side and a secondary side; two ends of the primary side are configured to be connected to two respective ends of an alternating current power supply, and the transformer is configured to perform voltage transformation on alternating current input voltage provided by the alternating current power supply on the basis of the transformer ratio of the transformer to obtain a first voltage; a voltage doubling unit, where two input ends of the voltage doubling unit are configured to be connected to two respective ends of the secondary side, an output end of the voltage doubling unit is configured to be connected to an input end of a full-wave voltage doubling and rectifying unit, and the voltage doubling unit is configured to carry out voltage doubling on the first voltage to obtain a second voltage; and said full-wave voltage doubling and rectifying unit, wherein an output end of the full-wave voltage doubling and rectifying unit is configured to supply power to a load, and the full-wave voltage doubling and rectifying unit is configured to perform voltage doubling and rectification on the second voltage to obtain a direct current output voltage.
H02M 7/10 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in series, e.g. for multiplication of voltage
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