CN217835607U - Vehicle braking system and vehicle - Google Patents

Vehicle braking system and vehicle Download PDF

Info

Publication number
CN217835607U
CN217835607U CN202221884822.7U CN202221884822U CN217835607U CN 217835607 U CN217835607 U CN 217835607U CN 202221884822 U CN202221884822 U CN 202221884822U CN 217835607 U CN217835607 U CN 217835607U
Authority
CN
China
Prior art keywords
controller
information
brake
power supply
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221884822.7U
Other languages
Chinese (zh)
Inventor
饶清智
胡红峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weichai New Energy Commercial Vehicle Co Ltd
Original Assignee
Weichai New Energy Commercial Vehicle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weichai New Energy Commercial Vehicle Co Ltd filed Critical Weichai New Energy Commercial Vehicle Co Ltd
Priority to CN202221884822.7U priority Critical patent/CN217835607U/en
Application granted granted Critical
Publication of CN217835607U publication Critical patent/CN217835607U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The utility model discloses a vehicle braking system and vehicle belongs to car technical field, and vehicle braking system includes: the power supply unit is connected with the controller and changes working conditions based on the working condition switching information sent by the controller; the gas circuit unit is connected with the power supply unit, and the working condition of the gas circuit unit is synchronous with that of the power supply unit; and the brake unit is connected with the controller and used for sending brake information, the controller sends out fault information when receiving the first brake information, and the controller controls the power supply unit to stop working and sends out fault information when receiving the second brake information. This application is through increasing braking information detection device in braking unit department to with braking information transmission to controller, the operating mode information of gas circuit unit is received to the while controller, and the controller is based on carrying out the regulation and control that the analysis realized the gas circuit unit in the vehicle braking system to the operating mode information of braking information and gas circuit unit, can provide stable high pressurized air source for braking system.

Description

Vehicle braking system and vehicle
Technical Field
The utility model relates to the field of automotive technology, concretely relates to vehicle braking system and vehicle.
Background
Under the trends of electromotion, intellectualization, sharing and networking, and the stricter environmental protection requirements, electromotion is the future development direction of automobiles. In recent two years, with the promotion of technical progress and related policies such as prohibition of selling fuel vehicles and the like, pure electric is the key point of research and development of various large vehicles and enterprises.
Different from the traditional fuel oil and gas brake type, the gas supply system of the brake system of the pure electric automobile drives the electric pump body by the motor to supply gas to the brake system, and a reasonable, stable and energy-saving gas supply system is particularly important and is related to the safety performance of the whole automobile.
Therefore, how to realize the technical problem that the air supply system of the vehicle provides a stable high-pressure air source for the brake system needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem of how to realize that an air supply system of a vehicle provides a stable high-pressure air source for a brake system, which is stated in the background technology, the application provides a vehicle brake system and a vehicle.
According to a first aspect, an embodiment of the present application provides a vehicle braking system, including: the power supply unit is connected with the controller and changes working conditions based on the working condition switching information sent by the controller; the gas circuit unit is connected with the power supply unit, the working condition of the gas circuit unit is synchronous with that of the power supply unit, and the gas circuit unit can transmit the working condition information of the gas circuit unit to the control unit; and the brake unit is connected with the controller and used for sending brake information, the controller sends out fault information when receiving the first brake information, and the controller controls the power supply unit to stop working and sends out fault information when receiving the second brake information.
Optionally, the brake unit comprises: a brake pedal; and the angular displacement sensor is respectively connected with the brake pedal and the controller and is used for sending the action information of the brake pedal to the controller.
Optionally, the air path unit includes: and the air compressor is connected with the power supply unit, and when the working condition switching information received by the power supply unit is working, the air compressor synchronously works.
Optionally, the air path unit further includes: and the dryer is connected with the air compressor through a pipeline.
Optionally, the air path unit further includes: and one end of the air storage cylinder is connected with the dryer through a pipeline, and the other end of the air storage cylinder is connected with a brake valve of the whole vehicle.
Optionally, the dryer includes a first control panel and a first pressure sensor connected to the first control panel, the first pressure sensor is configured to detect first pressure information in the dryer and the air reservoir connection pipeline, and the first control panel is connected to the controller and configured to send the first pressure information to the controller.
Optionally, the air reservoir includes a second pressure sensor, the second pressure sensor is configured to detect second pressure information in the air reservoir, and the second pressure sensor is connected to the controller and configured to send the second pressure information to the controller.
Optionally, the power supply unit comprises: a battery pack; and the transformer is respectively connected with the battery pack and the gas circuit unit.
Optionally, the transformer is connected to the controller, and is configured to receive the operating condition switching information.
According to a second aspect, the present application proposes a vehicle comprising a vehicle braking system according to the above embodiment.
This application is through increasing braking information detection device in braking unit department to with braking information transmission to controller, the operating mode information of gas circuit unit is received to the while controller, and the controller is based on carrying out the regulation and control that the analysis realized the gas circuit unit in the vehicle braking system to the operating mode information of braking information and gas circuit unit, can provide stable high pressurized air source for braking system.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic view of a vehicle braking system according to an embodiment of the present application.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the embodiments of the present invention will be described with reference to the accompanying drawings, wherein the same reference numerals in the drawings denote the same components or components with similar structures but the same functions.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
According to a first aspect of the present application, illustrated with reference to fig. 1, a vehicle braking system is proposed, comprising: the power supply unit 10 is connected with the controller 30 and changes working conditions based on the working condition switching information sent by the controller 30; the gas circuit unit 20 is connected with the power supply unit 10, the working condition of the gas circuit unit 20 is synchronous with the working condition of the power supply unit 10, and the working condition information of the gas circuit unit 20 can be transmitted to the control; and the brake unit 40 is connected with the controller 30 and is used for sending brake information, when the controller 30 receives the first brake information, the controller 30 sends fault information, and when the controller 30 receives the second brake information, the controller 30 controls the power supply unit 10 to stop working and sends fault information.
In this embodiment, referring to fig. 1, the power supply unit 10 is connected to the air path unit 20 and the controller 30, respectively, when the operating condition switching information sent by the controller 30 to the power supply unit 10 is working, the power supply unit 10 starts to be powered on, and the air path unit 20 also starts to be powered on, and when the operating condition switching information is stopping, the power supply unit 10 is powered off, and the air path unit 20 also stops working. The air circuit unit 20 can transmit the working condition information of the air circuit unit 20 to the controller 30, the controller 30 obtains the brake information of the brake unit 40 while receiving the working condition information transmitted by the air circuit unit 20, and the controller 30 comprehensively analyzes the working condition information and the brake information of the air circuit unit 20, generates a corresponding control instruction and transmits the control instruction to the power supply unit 10 so as to change the working condition of the power supply unit 10 and further change the working condition of the air circuit unit 20.
Pure electric vehicle produces under the environment that the environmental problem aggravated increasingly and the energy is in short supply, compare in fuel automobile, pure electric vehicle is the more energy saving, it is exemplary, in order to make pure electric vehicle reach energy-conserving effect better, the operating mode information that gas circuit unit 20 transmitted to controller 30 can be the operating duration of gas circuit unit 20, when the vehicle did not take braking measure, gas circuit unit 20 stopped working under the prerequisite that guarantees that the high-pressure air supply is sufficient, reach energy-conserving effect.
As an exemplary embodiment, the brake unit 40 includes: a brake pedal; and the angular displacement sensor is respectively connected with the brake pedal and the controller 30 and is used for sending the action information of the brake pedal to the controller 30. In this embodiment, the angular displacement sensor can detect the opening degree information of the brake pedal, and the controller 30 can obtain the opening degree information of the brake pedal sent by the angular displacement sensor in real time, or the angular displacement sensor can send the brake information to the controller 30 only when the opening degree of the brake pedal changes.
For example, the first braking information may be braking information sent by the angular displacement sensor to the controller 30 when the opening degree of the brake pedal is changed, the second braking information may be braking information sent by the angular displacement sensor to the controller 30 when the opening degree of the brake pedal is not changed, the second braking information controls and simultaneously receives working condition information of the air circuit unit 20, the working condition information of the air circuit unit 20 may be working duration of the air circuit unit 20, when the working duration of the air circuit unit 20 exceeds a preset duration, if the controller 30 simultaneously receives the first braking information at this time, it indicates that a driver has an action of stepping on the brake pedal at this time, and when braking is performed, the controller 30 only sends out fault information without intervening devices of the braking system at this time; when the working time of the gas circuit unit 20 exceeds the preset time and the controller 30 receives the second braking information, the action that the driver does not step on the brake pedal is shown, so that the gas supply system is not needed, the controller 30 controls the power supply unit 10 to stop working, further controls the gas circuit unit 20 to stop working, and sends out fault information at the same time, wherein the preset time can be 15-16 minutes.
As an exemplary embodiment, referring to fig. 1, the air path unit 20 may include an air compressor 201, a dryer 202, and an air storage tank 203, wherein the air compressor 201, the dryer 202, and the air storage tank 203 are sequentially connected through a pipeline in sequence, the air compressor 201 is further connected to the power supply unit 10, when the power supply unit 10 starts to operate, the air compressor 201 starts to operate simultaneously to compress air into the dryer 202, and an air outlet end of the air storage tank 203 is connected to a vehicle brake valve, and is used to output air to the vehicle brake valve when the vehicle performs braking.
Illustratively, a first control board and a first pressure sensor connected with the first control board are arranged in the dryer 202, the first pressure sensor can detect first pressure information in a connecting pipeline between the dryer 202 and the air storage cylinder 203, the first pressure sensor is further connected with the controller 30 and can transmit the first pressure information to the controller 30, and the controller 30 can control the working condition of the power supply unit 10 based on the first pressure information. In this embodiment, when the first pressure information detected by the first pressure sensor is lower than 7.2bar, the first control board sends 24V voltage to the controller 30, the controller 30 controls the power supply unit 10 to start operating after receiving the 24V voltage, and simultaneously the air compressor 201 starts operating, and the generated high-pressure gas is filtered by the dryer 202 and then stored in the air storage tank 203; when the first pressure information is higher than 9.3bar, the voltage sent by the first control board to the controller 30 is changed from 24V to 0V in a jumping mode, the controller 30 controls the power supply unit 10 to stop working, the air compressor 201 also stops working, a stable high-pressure air source can be provided when the vehicle is braked, meanwhile, the air compressor 201 is prevented from continuously working, and the energy-saving effect is achieved.
Illustratively, the air reservoir 203 includes a second pressure sensor for detecting second pressure information in the air reservoir 203, and the second pressure sensor is connected to the controller 30 for sending the second pressure information to the controller 30. In this embodiment, when the second pressure sensor detects that the pressure value in the air cylinder 203 is lower than 5.1bar, it indicates that the first pressure sensor and/or the first control board in the dryer 202 are/is in a failure state at this time, the pressure value of the connecting pipeline between the dryer 202 and the air cylinder 203 cannot be effectively monitored, at this time, the second pressure sensor outputs a 2.5V voltage signal to the controller 30, the controller 30 receives the signal and controls the power supply unit 10 to start working, so that the air compressor 201 starts working, it is ensured that a stable high-pressure air source can be provided when the vehicle brakes, meanwhile, the air compressor 201 is prevented from continuously working, and an energy-saving effect is achieved.
Illustratively, the power supply unit 10 includes: a battery pack 101; and a transformer 102 connected to the battery pack 101 and the air path unit 20, respectively. In this embodiment, the transformer 102 may be connected to the controller 30 and configured to receive the operating condition switching information sent by the controller 30, and when the operating condition switching information sent by the controller 30 is working, the transformer 102 converts the high-voltage dc power supply of the battery pack 101 into 380V three-phase ac power, and at this time, the air compressor 201 starts to work.
According to a second aspect of the present application, there is also provided a vehicle including the vehicle braking system according to any one of the embodiments described above.
So far, the technical solutions of the present disclosure have been described in connection with the foregoing embodiments, but it is easily understood by those skilled in the art that the scope of the present disclosure is not limited to only these specific embodiments. The technical solutions in the above embodiments can be split and combined, and equivalent changes or substitutions can be made on related technical features by those skilled in the art without departing from the technical principles of the present disclosure, and any changes, equivalents, improvements, and the like made within the technical concept and/or technical principles of the present disclosure will fall within the protection scope of the present disclosure.
All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above are only examples of the present invention, and are not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A vehicle braking system, comprising:
the power supply unit is connected with the controller and changes working conditions based on the working condition switching information sent by the controller;
the gas circuit unit is connected with the power supply unit, the working condition of the gas circuit unit is synchronous with that of the power supply unit, and the gas circuit unit can transmit the working condition information of the gas circuit unit to the controller;
and the brake unit is connected with the controller and used for sending brake information, the controller sends out fault information when receiving the first brake information, and the controller controls the power supply unit to stop working and sends out fault information when receiving the second brake information.
2. The vehicle brake system according to claim 1, characterized in that the brake unit includes:
a brake pedal;
and the angular displacement sensor is respectively connected with the brake pedal and the controller and is used for sending the action information of the brake pedal to the controller.
3. The vehicle braking system according to claim 1, wherein the air path unit includes:
and the air compressor is connected with the power supply unit, and the air compressor synchronously works when the working condition switching information received by the power supply unit is working.
4. The vehicle braking system of claim 3, wherein the air circuit unit further comprises:
and the dryer is connected with the air compressor through a pipeline.
5. The vehicle braking system of claim 4, wherein the air circuit unit further comprises:
and one end of the air storage cylinder is connected with the dryer through a pipeline, and the other end of the air storage cylinder is connected with a brake valve of the whole vehicle.
6. The vehicle brake system according to claim 5, wherein the dryer includes a first control board and a first pressure sensor connected to the first control board, the first pressure sensor being configured to detect first pressure information in the dryer and the air reservoir connection line, the first control board being connected to the controller and configured to transmit the first pressure information to the controller.
7. The vehicle braking system according to claim 6, wherein the air reservoir includes a second pressure sensor for detecting second pressure information within the air reservoir, the second pressure sensor being connected to the controller for sending the second pressure information to the controller.
8. The vehicle braking system according to claim 1, wherein the power supply unit includes:
a battery pack;
and the transformer is respectively connected with the battery pack and the gas circuit unit.
9. The vehicle braking system of claim 8, wherein the transformer is coupled to the controller for receiving the operating condition switching information.
10. A vehicle characterized by comprising a vehicle brake system according to any one of claims 1 to 9.
CN202221884822.7U 2022-07-20 2022-07-20 Vehicle braking system and vehicle Active CN217835607U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221884822.7U CN217835607U (en) 2022-07-20 2022-07-20 Vehicle braking system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221884822.7U CN217835607U (en) 2022-07-20 2022-07-20 Vehicle braking system and vehicle

Publications (1)

Publication Number Publication Date
CN217835607U true CN217835607U (en) 2022-11-18

Family

ID=84039034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221884822.7U Active CN217835607U (en) 2022-07-20 2022-07-20 Vehicle braking system and vehicle

Country Status (1)

Country Link
CN (1) CN217835607U (en)

Similar Documents

Publication Publication Date Title
CN101830214B (en) Control module, control method, brake vacuum servo device and electric automobile
CN107628017B (en) A kind of vacuum method for controlling pump, device, controller and the automobile of electric car
CN101961983B (en) Method for safely controlling electric vehicle
CN102923078B (en) A kind of automobile air compression device control method
WO2011003311A1 (en) Security monitoring system for electric vehicle and monitoring method thereof
CN103253258B (en) Control method for braking vacuum booster system of battery electric vehicles
CN104595161A (en) Dual-air-compressor system and control method for hybrid power vehicle
CN103552601A (en) Hydraulic steering boosting system with automatic repair function and control method
CN106671964A (en) Module assembly of intelligent electronic halt vehicle system
CN104890532A (en) Electrical control system for pure electric bus
CN112519747A (en) Safety control system based on speed of a motor vehicle under electric motor car vacuum source failure mode
CN113147718A (en) Diagnosis control method and system for working state of vacuum pump
CN203717314U (en) Test system for electric vacuum pump of electric vehicle braking system
CN217835607U (en) Vehicle braking system and vehicle
CN202966283U (en) Vacuum pump system, booster brake system and electric automobile
JP4778562B2 (en) Pulse width modulation inverter with emergency generator mode
KR101541711B1 (en) Vehicle and braking control method thereof
CN107738640B (en) Air supply system for pneumatic braking and control method thereof
CN106248395A (en) Power supply semitrailer pipeline and signal supervisory instrument and detection method thereof
CN110030184B (en) Control device and method for air compressor and dryer of new energy commercial vehicle
CN211107379U (en) New energy automobile braking electric vacuum boosting system
CN201646705U (en) Traffic vehicle brake system of vehicle-control track
CN114379370B (en) Control method and device for vehicle limp mode, vehicle and storage medium
CN108099885B (en) Vacuum degree control method and system suitable for hybrid power braking
CN203528599U (en) Hydraulic power-assisted steering system with automatic remedy function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant