A remote preheating method for a compartment of an electric bus. The method comprises: acquiring a preheating instruction, which is sent by a remote monitoring platform; calling a bus controller according to the preheating instruction to perform bus self-inspection on an electric bus; calling an MCU to start a BMS, and sending a power-on signal to a battery pack by means of the BMS, so as to preheat a compartment of the electric bus; sending a charging signal to a charging pile by means of the BMS, so as to perform charging; and when the temperature in the compartment reaches a set temperature threshold value and the electric quantity reaches a set electric quantity threshold value, completing the remote preheating of the compartment before departure. Therefore, a comfortable compartment environment is provided, and electricity consumption of an electric bus due to preheating is prevented, thereby ensuring the cruising ability of the electric bus.
B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant
B60H 1/00 - Heating, cooling or ventilating devices
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
B60L 1/02 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles to electric heating circuits
B60L 53/66 - Data transfer between charging stations and vehicles
2.
HEAT DISSIPATION SYSTEM, ELECTRIC VEHICLE, AND HEAT DISSIPATION METHOD
A heat dissipation system, an electric vehicle, and a heat dissipation method, which belong to the technical field of vehicle heat dissipation. The system comprises: a transmission motor, a hydraulic motor, and a hydraulic water pump; a motor shaft of the hydraulic motor is connected to fan blades, and the hydraulic water pump is used for driving the circulation of cooling water; additionally comprised is a hydraulic pump, the hydraulic pump being in linkage connection with the transmission motor. The heat dissipation system uses the hydraulic pump to perform heat dissipation work on the hydraulic motor and hydraulic water pump, and the power source adopted by the heat dissipation system is a transmission motor instead of the battery of the entire vehicle, merely requiring the vehicle to be driving for the hydraulic pump to operate. Such a heat dissipation system is low in energy consumption, and greatly extends the battery life of the electric vehicle.
An anti-collision structure and a vehicle chassis, relating to the technical field of vehicle parts. The anti-collision structure comprises: a fixing support (100); and an anti-collision member (200), comprising a connection surface (210) and a collision surface (220), wherein the connection surface (210) and the collision surface (220) are respectively located on two sides of the anti-collision member (200), the connection surface (210) is connected to the fixing support (100), the anti-collision member (200) is set in an arc shape, and the anti-collision member (200) is bent towards the side of the collision surface (220). The anti-collision member (200) is configured to be of an arc-shaped structure, such that the strength can be greatly enhanced, and when the collision occurs, the anti-collision member can protect the vehicle chassis from being damaged.
B60R 19/18 - Means within the bumper to absorb impact
B60R 19/24 - Arrangements for mounting bumpers on vehicles
B60R 19/20 - Means within the bumper to absorb impact containing gas or liquid, e.g. inflatable
B60R 19/34 - Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
B60R 13/08 - Insulating elements, e.g. for sound insulation
B62D 21/15 - Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
4.
TOOLING, AND COAXIAL INSTALLATION METHOD FOR ELECTRIC MOTOR DRIVING SHAFT AND TRANSMISSION SHAFT
The present invention belongs to the technical field of auxiliary tooling for vehicle assembly. Provided are a tooling, and a coaxial installation method for an electric motor driving shaft and a transmission shaft. The tooling comprises: a centering assembly, which comprises a first flange and a pointing piece, wherein the first flange can be connected to an end face of the electric motor driving shaft, one end of the pointing piece is fixedly connected to the first flange, and the central axis of the electric motor driving shaft and the central axis of the pointing piece are located on the same line; and a positioning plate, which comprises a fixing face and a positioning face. In the present invention, by means of the tooling, the coaxiality error between the transmission shaft and the electric motor driving shaft can be controlled within a standard range, thereby greatly improving the assembly efficiency and quality.
The present invention specifically relates to the field of automobile safety, and disclosed is a system for detecting persons stranded on a hydrogen fuel cell pure electric urban bus, comprising: a carbon dioxide sensing module used for receiving a carbon dioxide concentration in the bus and inputting the carbon dioxide concentration into a single-chip microcomputer in a digital signal form; the single-chip microcomputer used for receiving the current carbon dioxide concentration collected by the carbon dioxide sensing module, performing determination according to an initial concentration range, and sending a determination instruction to a multimedia playback module and a remote monitoring module if the current carbon dioxide concentration exceeds the initial concentration range; the multimedia playback module, which is started upon receiving the determination instruction of the single-chip microcomputer; and the remote monitoring module, which receives the current data of the single-chip microcomputer by means of a CAN bus and transmits the current data to an enterprise monitoring platform.
G08B 21/12 - Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
B60R 21/02 - Occupant safety arrangements or fittings
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
6.
PASSENGER DIVERSION METHOD AND SYSTEM FOR MULTI-CARRIAGE PASSENGER-CARRYING SYSTEM
The present invention relates to the technical field of carrier safety. Disclosed are a passenger diversion method and system for a multi-carriage passenger-carrying system. The method comprises the steps of: acquiring real-time information of the number of passengers in carriages before a vehicle is started; acquiring a relative positional relationship between an overloaded carriage of which the real-time information of the number of passengers exceeds a preset number of passengers and a non-overloaded carriage of which the real-time information of the number of passengers does not exceed the preset number of passengers; guiding, by means of a diversion device, passengers to the non-overloaded carriage from the overloaded carriage within a preset period of time after a carriage door is opened; and if there is still an overloaded carriage when the vehicle is started, controlling a vehicle electric motor to be started with a low power output curve, and when there is no overloaded carriage, controlling the vehicle electric motor to be started with a regular power output curve.
B60Q 3/41 - Arrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors specially adapted for specific vehicle types for mass transit vehicles, e.g. buses
7.
PURE ELECTRIC VEHICLE ENERGY STORAGE CONTROL SYSTEM AND CONTROL METHOD
The present invention relates to the technical field of electric vehicle energy storage, and provides a pure electric vehicle energy storage control system and control method. The system comprises: a control unit, and a wind power generation assembly and a braking or deceleration energy recovery assembly which are connected to the control unit; one end of a power battery pack is connected to the control unit by means of a battery management unit, and another end of the power battery pack is connected to the wind power generation assembly; the braking or deceleration energy recovery assembly is connected to the wind power generation assembly by means of a transmission assembly.
The present invention relates to the technical field of vehicle control, and provides a control system for reducing generation of vehicle infrasonic vibration, comprising a sensor module configured to acquire vibration signals of a vehicle in multiple directions when the vehicle runs; a control module configured to determine that the vibration frequency of the current vehicle is within a preset range of the infrasonic frequency according to the vibration signals acquired by the sensor module and generate a corresponding control signal after a preset time period; and an execution mechanism configured to adjust a motion trajectory of a pedal according to the control signal generated by the control module.
B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
B60R 16/037 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for occupant comfort
9.
AUXILIARY BRAKING METHOD AND SYSTEM FOR VEHICLE REVERSING
An auxiliary braking method for vehicle reversing, comprising the steps of: when the current gear of a vehicle is a reverse gear, obtaining current speed data; when the current speed of the vehicle is not zero, determining whether the current speed exceeds a first preset speed; if the current speed exceeds the first preset speed, obtaining the current distance between the vehicle and an obstacle, and determining whether the current distance is less than or equal to a first preset distance; and if the current distance is less than or equal to the first preset distance, the system controller actively sends a control signal to a motor controller, so that the motor controller adjusts a motor to be in a braking state, and the motor outputs torque according to the current speed. During a bus reversing process of a bus, when an obstacle is detected by an ultrasonic radar, according to the speed of the vehicle and the distance between the vehicle and the obstacle, the system controller actively removes power and superimposes electric braking for the vehicle, so that the risk of collision of the vehicle is reduced as much as possible during a reversing process.
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
10.
CHASSIS STRUCTURE OF ELECTRIC BUS AND STEERING METHOD
Disclosed in the present invention is a chassis structure of an electric bus, comprising: a frame; a first axle provided at the front end portion of the frame, the first axle comprising a first axle shaft and a first steering rod, the first steering rod being connected to wheels on the first axle shaft for driving the wheels on the first axle shaft to steer; and a second axle and a third axle provided on the end of the frame, the third axle being located on the side of the second axle close to the first axle, the second axle comprising a second axle shaft and a second steering rod, and the second steering rod being connected to wheels on the second axle shaft for driving the wheels on the second axle shaft to steer.
Disclosed in the present invention are a chassis structure of an electric bus, and a steering method. The chassis structure comprises: a frame; a first axle, which is arranged on the front end of the frame, wherein the first axle comprises a first bus axle and a first steering rod, and the first steering rod is connected to wheels on the first bus axle and is used for driving the wheels on the first bus axle to turn; and a second axle and a third axle, which are arranged on the tail end of the frame, wherein the third axle is located on one side of the second axle that is close to the first axle, the second axle comprises a second bus axle and a second steering rod, and the second steering rod is connected to wheels on the second bus axle and is used for driving the wheels on the second bus axle to turn. According to the present application, the second axle is additionally arranged on the frame of the electric bus to serve as a follow-up axle for assisting steering, so that the driving stability and flexibility of the electric bus are improved.
B62D 7/15 - Steering linkageStub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
B60G 15/08 - Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type having fluid spring
A trailer structure used for an electric bus, comprising: a front trailer assembly (100) which comprises two fixing seats (130) which are fixedly connected to the front end of a vehicle frame (300), and a trailer frame (110) two ends of which are each provided with a connection part, wherein each connection part is connected to one fixing seat (130), and a first pin (111) used for connecting to a trailer hook is further provided on the trailer frame (110); and a rear trailer assembly (200), which is fixedly connected to the tail end of the vehicle frame (300), wherein the tail end of the vehicle frame (300) is provided with several crossbeams (310) parallel to each other, and the rear trailer assembly (200) comprises: a plurality of fixing frames (210), the fixing frames (210) being simultaneously connected to at least two crossbeams (310), and a plurality of hook members (220) which are fixedly connected to the outer ends of the fixing frames (210).
A frame of an electric bus, comprising: a front bridge section frame (100), which comprises two first longitudinal support assemblies and a plurality of first transverse support assemblies; a middle section frame (200), connected to one end of the front bridge section frame (100); and a rear bridge section frame (300), which is connected to the end of the middle section frame (200) away from the front bridge section frame (100), and comprises: two second longitudinal support assemblies, two sides of the frame each being respectively provided with one second longitudinal support assembly and a second transverse support assembly. A double-layer support structure is formed in both the front bridge section frame (100) and the rear bridge section frame (300), so that the load-bearing capability is improved. In the middle section frame (200), a frame body (210) is provided a special-shaped groove holes (211), the special-shaped groove hole (211) is divided into a first groove section (211a) and a second groove section (211b), and a nut of a special-shaped bolt (230) enters from the first groove section (211a) and can slide to abut against the second groove section (211b) to achieve fastening without loosening.
B62D 21/02 - Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
An electric-bus frame, comprising: a front-axle section frame (100) comprising two first longitudinal support assemblies and a plurality of first transverse support assemblies; a middle section frame (200) connected to one end of the front-axle section frame (100); and a rear-axle section frame (300) connected to the end of the middle section frame (200) that is away from the front-axle section frame (100), the rear-axle section frame (300) comprising a second transverse support assembly and two second longitudinal support assemblies that are respectively arranged on two sides of the frame. The frame improves the space utilization rate.
B62D 21/02 - Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
15.
EFFICIENCY ANALYSIS METHOD AND SYSTEM FOR ELECTRIC VEHICLE BASED ON CLOUD DATA PLATFORM
The present invention relates to the field of motors of electric vehicles. Disclosed are an efficiency analysis method and system for an electric vehicle based on a cloud data platform. The method specifically comprises the steps of: extracting, from a cloud data platform, operation data of an electric vehicle; according to the operation data and by using a first group of formulas, analyzing the efficiency in a vehicle power state and in a recovery state; establishing a model of motor efficiency versus vehicle velocities according to an analysis result; and according to the model of motor efficiency versus vehicle velocities, obtaining a vehicle velocity range under a target motor efficiency.
A bolt mounting structure for a vehicle roof battery, comprising: a pre-buried plate (300) fixed to a vehicle roof (200); a mounting plate (400) fixed on one side of the pre-buried plate distant from the vehicle roof; and a mounting bolt (100), comprising: a screw rod (110) and a head portion (120), the screw rod sequentially penetrating through the mounting plate, the pre-embedded plate, and the vehicle roof, at least part of the screw rod extending out of the vehicle top, and the head portion being fixedly connected to the mounting plate. The mounting plate and the pre-buried plate of the bolt mounting structure are fixedly connected, and the head portion and the mounting plate are welded; moreover, the contact area between the mounting plate and the pre-buried plate is large enough, so that even in the case of sudden acceleration or sudden deceleration of a vehicle, i.e., in the case of a large slip tendency of a battery pack, the abutting of the mounting plate and the pre-buried plate can also counteract the force of sliding the battery pack, and the stress of the mounting plate and the pre-buried plate in a unit area is very small.
A fixing structure for internal and external wiring of a vehicle, the fixing structure comprising a general assembly plate, which is fixed on an inner side and/or an outer side of a vehicle body. The general assembly plate comprises: a first assembling plate (100), which is provided with a first assembling portion (110), the first assembling portion (110) being provided with several first notches (111); and a second assembling plate (200), which is provided with a second assembling portion (210), the second assembling portion (210) being provided with several second notches (211). The several first notches (111) are in one-to-one correspondence with the several second notches (211), and when the first assembling portion (110) is connected to the second assembling portion (210), the several first notches (111) and the several second notches (211) are combined at the same time to form several wiring through holes. By means of the present application, fixation of internal and external wiring of a vehicle is achieved, and the technical problem whereby wires cannot directly pass through a through hole due to a large radius at the position where the wires are connected to each other is further solved.
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
18.
VEHICLE COOLING SYSTEM HAVING AUTOMATIC EXHAUST FUNCTION
A vehicle cooling system having an automatic exhaust function, the system comprising a water tank (100), an input pipe (110), a gas collection cylinder (200), an exchange mechanism (300), an output pipe (310), a battery assembly (400) and a collection pipe (410). During circular flowing of cooling water in the exchange mechanism (300), the gas collection cylinder (200) and the battery assembly (400), two instances of heat exchange of the cooling water and the automatic exhaust function of the cooling water are achieved. The vehicle cooling system has the automatic exhaust function, and also improves the battery cooling efficiency of the exchange mechanism.
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
A smart control system for the interior lights of a pure electric bus, the system comprising: a whole vehicle controller, a dashboard, a backlight switch, a door state detection unit, overdoor lights, a driver light, an interior ceiling light, a light sensor, a light regulator, and an IO module. The signal output end of the light sensor is connected to the whole vehicle controller; the backlight switch and the signal output end of the vehicle door state detection unit are each connected to the whole vehicle controller by means of the IO module; the signal output end of the whole vehicle controller is connected to the driver light, the overdoor lights, and one end of the light regulator by means of the IO module; and the other end of the light regulator is connected to an interior ceiling light. The present system can smartly control interior lights, thus reducing energy waste and simplifying driver operation.
A passenger vehicle emergency stop control system and method, comprising a door lock mechanism (1) and an emergency stop module; the door lock mechanism (1) comprises an emergency switch cover plate (10) and a trigger button (40); the emergency stop module comprises a whole-vehicle controller, a motor controller, and a motor; the whole-vehicle controller is electrically connected to the motor controller, and the motor controller is electrically connected to the motor; and the trigger button (40) and the whole-vehicle controller are linked. The trigger button (40) in the door lock mechanism (1) triggers the emergency stop control system to enable smooth braking until the vehicle is stationary in the shortest time.
B60T 7/14 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger operated upon collapse of driver
B60K 37/06 - Arrangement of fittings on dashboard of controls, e.g. control knobs
B60R 21/09 - Control elements or operating handles movable from an operative to an out-of-the way position, e.g. switch knobs, window cranks
21.
METHOD AND SYSTEM FOR VEHICLE ACTIVE STEERING CONTROL
A method for vehicle active steering control, comprising: S1, acquiring a steering angle of a vehicle; S2, correspondingly controlling the steering speed of the vehicle; S3, acquiring obstacle position information within a preset range of the vehicle by means of an obstacle recognition sensor mounted at a preset position of the vehicle; S4, calculating a predicted trajectory of the vehicle; and S5, determining whether the obstacle position information within the preset range of the vehicle is in the calculated predicted trajectory of the vehicle; if yes, according to a preconfigured speed algorithm, calculating a preset safe operation acceleration of the vehicle, and controlling the vehicle to stop within a preset safe range; and if not, continuing to control the vehicle to run. The present invention further relates to a system for vehicle active steering control. The method is used for solving the problem that active speed limiting and obstacle avoidance control cannot be achieved during vehicle steering at present.
A control system for turning speed limitation of an electric car, comprising: a turning angle obtaining module and a turning speed control module, wherein the turning angle obtaining module is used for obtaining a turning angle of the current car, and the turning speed control module is used for correspondingly controlling a turning speed of the car according to a driving speed and a turning angle of the current car. The present invention further relates to a vehicle turning control method. The present system can obtain a turning speed according to the angle of a steering wheel and brake a car speed according to the turning speed, improving the safety of vehicle turning, and different braking methods are used when the car speed is braked, car braking safety is satisfied, and car braking comfort is also satisfied.
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
A chassis, comprising a vehicle frame (100), a transmission system, and a suspension system. The transmission system comprises a front axle structure (200) and a rear axle structure (300); the suspension system comprises a front suspension assembly (400) and a rear suspension assembly (500); the front suspension assembly (400) comprises two brackets (410); the front axle structure is connected to both brackets (410); front thrust rod structures (420) are connected between the brackets (410) and the vehicle frame; front airbag assemblies (430) are mounted on the brackets (410); front vibration absorber structures (440) on the side parts of the front airbag assemblies (430) are also mounted on the brackets (410); the front vibration absorber structures (440) are connected to the vehicle frame; a front stabilizer rod structure (450) is connected between the two brackets (410); the rear suspension assembly (500) comprises a pair of beam structures (510); the rear axle structure (300) is separately connected to the middle parts of the two beam structures (510); the middle part of each beam structure is also connected to the vehicle frame by means of a rear thrust rod structure (520); rear airbag assemblies (530) are respectively mounted at the two end parts of the beam structures (510); and air spring structures are provided on both the rear airbag assemblies (530) and the front airbag assemblies (430). Also disclosed is a battery electric city bus. The present chassis has the advantages of good vibration absorbing effect and good stability.
B60G 11/27 - Resilient suspensions characterised by arrangement, location, or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
A suspension structure of a tram, comprising: a frame (100); a front axle structure (200); a rear axle structure (300); a front suspension assembly (400), comprising two supports (410) which are symmetrically distributed on the left and right, the front axle structure (200) being simultaneously connected to the two supports (410), front thrust rod structures (420) being connected between the supports (410) and the frame, the front thrust rod structures (420) being also connected between the front axle structure (200) and the frame, and front airbag assemblies (430) being mounted on the supports (410); and a rear suspension assembly (500), comprising a pair of beam structures (510) which are symmetrically distributed on the left and right. The rear axle structure (300) is connected to the middle parts of the two beam structures (510) respectively; the middle part of each beam structure (510) is also connected to the frame by means of a rear thrust rod structure (520); rear airbag assemblies (530) are mounted at the two end parts of the beam structures (510) respectively; both the rear airbag assemblies (530) and the front airbag assemblies (30) are arranged as air spring structures; a rear vibration absorber structure (540) is connected to the side part of each rear airbag assembly (530); the rear vibration absorber structures (540) are connected to the frame; and a rear stabilizer bar structure (550) is also connected between the two beam structures (510). The suspension structure of the tram has the advantages of good vibration absorbing effect and good stability.
B60G 11/27 - Resilient suspensions characterised by arrangement, location, or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
B60G 15/08 - Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type having fluid spring
patents