CN207029146U - Gas brakes automatic parking control system - Google Patents
Gas brakes automatic parking control system Download PDFInfo
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- CN207029146U CN207029146U CN201720961898.8U CN201720961898U CN207029146U CN 207029146 U CN207029146 U CN 207029146U CN 201720961898 U CN201720961898 U CN 201720961898U CN 207029146 U CN207029146 U CN 207029146U
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Abstract
The utility model discloses a kind of gas to brake automatic parking control system, the utility model is related to Control of Electric Vehicles field, the system includes：The parking brake switchs angle collection device, and lower section is switched positioned at the parking brake, for collecting the folding angle of the parking brake switch and generating angle information；The entire car controller, for obtaining the angle information and controlling the drive motor controller according to the angle information to cause the motor switchs angle according to parking brake to carry out torque output.Switched by entire car controller, parking brake, parking brake switchs the mutual cooperation between angle collection device, drive motor controller, motor, source of the gas and vehicle bridge transmission device and carries out torque output because the entire car controller obtains the angle information and controls the drive motor controller to switch angle according to parking brake with the motor according to the angle information, realizes the active control to motor in city bus and highway passenger vehicle.
Description
Technical Field
The utility model relates to an electric automobile control field especially relates to an automatic parking control system of air brake.
Background
At the present stage, the automobile industry in China is rapidly developed, and particularly, in the aspects of intellectualization, safety and humanization, the nation puts higher requirements on the active safety and artificial intelligence development of automobiles.
In the current industry, the automatic parking function of the traditional passenger car is widely applied, but the function is established on the basis of the traditional oil brake electronic control. Most of urban buses and highway buses with the industrial bus length of more than or equal to 9m adopt an air brake control principle, and are limited by the reason of an air brake mechanism on the basis, so that the control strategy is more humanized and intelligent on the basis of improving the active safety of the urban buses and the highway buses, and is an important subject in the industry at present.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides an automatic parking control system of air brake improves on city passenger train and the safe basis of highway passenger train initiative, realizes the automatic parking control of air brake.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
on one hand, the embodiment of the utility model provides an air brake automatic parking control system, including vehicle control unit, manual brake switch angle collection device, driving motor controller, driving motor, air supply and axle transmission; the hand brake switch and the hand brake switch angle collecting device are electrically connected with the whole vehicle controller; the vehicle control unit is connected with a drive motor controller through a first CAN bus, the drive motor controller is connected with a drive motor, the drive motor is connected with an axle transmission device, and the axle transmission device is connected with the hand brake switch through an air source; the hand brake switch angle collecting device is positioned below the hand brake switch and used for collecting the opening and closing angle of the hand brake switch and generating angle information; and the vehicle control unit is used for acquiring the angle information and controlling the drive motor controller according to the angle information so as to enable the drive motor to output torque according to the angle of a hand brake switch.
Further, the controlling the driving motor controller according to the angle information to enable the driving motor to perform torque output according to a handbrake switch angle includes: and when the vehicle control unit determines that the hand brake switch is positioned at an emergency braking thrust position according to the angle information, generating a first control signal, and sending the first control signal to the driving motor controller, so that the driving motor controller controls the torque output of the driving motor to be 0.
Further, the controlling the driving motor controller according to the angle information to enable the driving motor to perform torque output according to a handbrake switch angle includes: and when the vehicle control unit determines that the hand brake switch reaches an emergency braking thrust position from a parking braking locking position according to the angle information, a second control signal is generated and sent to the driving motor controller, so that the driving motor controller controls the torque output of the driving motor to prevent the vehicle from sliding on the slope.
Further, the handbrake switch angle collection device comprises an electromagnetic switch and an angle sensor, and the angle information is a voltage signal of the angle sensor.
Further, the automatic parking control system of air braking still includes display instrument, display instrument pass through the second CAN bus with vehicle control unit connects for show each item whole car parameter, and warn through the reputation electric signal.
Further, the emergency braking thrust position is a position with air pressure of 0MPa in pneumatic braking, and the hand brake switch angle is 55-65 degrees.
Further, the parking brake locking position is a position for maintaining the air pressure in a brake pipeline to be 0MPa, and the hand brake switch angle is 90-80 degrees
The embodiment of the utility model provides an automatic parking control system of air brake, through mutually supporting between vehicle control unit, manual brake switch angle collection device, driving motor controller, driving motor, air supply and the axle transmission and because vehicle control unit acquires angle information is and basis angle information control driving motor controller is so that driving motor carries out torque output according to manual brake switch angle, has realized driving motor's active control in city passenger train and the highway passenger train.
Drawings
Fig. 1 is an overall block diagram of an automatic pneumatic brake parking control system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a hand brake switch and a hand brake switch angle collecting device in the whole air brake automatic parking control system shown in fig. 1;
fig. 3 is a flowchart of an automatic pneumatic brake parking control method according to an embodiment of the present invention.
Reference numerals:
1-a vehicle control unit; 2, a hand brake switch; 3-a handbrake switch angle collection device; 4-driving the motor controller; 5-driving a motor; 6-gas source; 7-axle gearing; 8-display instrument.
Detailed Description
To the problem that exists among the prior art, the utility model provides an automatic parking control system of air brake improves on city passenger train and the safe basis of highway passenger train initiative, realizes the automatic parking control of air brake.
Fig. 1 is the embodiment of the utility model provides an automatic parking control system of air brake whole block diagram, the automatic parking control system of air brake, include: the hand brake angle collection device comprises a vehicle control unit 1, a hand brake switch 2, a hand brake switch angle collection device 3, a driving motor controller 4, a driving motor 5, an air source 6 and an axle transmission device 7. Wherein,
the vehicle control unit 1 can process various information of the system, implement a control strategy and control a logic program, and is a main element of the vehicle control system;
the driving motor controller 4 is a main element for providing a driving motor power supply, can acquire information such as voltage and temperature of the driving motor 4 and provide the information to the vehicle control unit 1 for implementing a control strategy;
the driving motor 5 is a main output source of a complete vehicle power system and drives the vehicle to run;
the air source 6 is an air source for parking braking provided in the whole air brake circuit;
the axle transmission device 7 mainly comprises tires, axles, a speed reducer, a suspension, a transmission shaft and the like, and is a main execution component of a vehicle running system;
the hand brake switch 2 and the hand brake switch angle collecting device 3 are electrically connected with the vehicle control unit 1; the vehicle control unit 1 is connected with a driving motor controller 4 through a first CAN bus, the driving motor controller 4 is connected with a driving motor 5, the driving motor 5 is connected with an axle transmission device 7, and the axle transmission device 7 is connected with the hand brake switch 2 through an air source 6; the hand brake switch angle collecting device 3 is positioned below the hand brake switch 2 and used for collecting the opening and closing angle of the hand brake switch 2 and generating angle information; and the vehicle control unit 1 is configured to acquire the angle information and control the driving motor controller 4 according to the angle information, so that the driving motor 4 outputs torque according to a hand brake switch angle.
The embodiment of the utility model provides an automatic parking control system of air brake, through mutually supporting between vehicle control unit, manual brake switch angle collection device, driving motor controller, driving motor, air supply and the axle transmission and because vehicle control unit acquires angle information is and basis angle information control driving motor controller is so that driving motor carries out torque output according to manual brake switch angle, has realized driving motor's active control in city passenger train and the highway passenger train.
In one embodiment, the controlling the driving motor controller according to the angle information to enable the driving motor to perform torque output according to a handbrake switch angle includes: and when the vehicle control unit determines that the hand brake switch is positioned at an emergency braking thrust position according to the angle information, generating a first control signal, and sending the first control signal to the driving motor controller, so that the driving motor controller controls the torque output of the driving motor to be 0.
In this embodiment, the emergency braking position is a position where the air pressure is 0MPa in air braking, and at this time, the vehicle enters an automatic parking state. When the hand brake switch is released, the vehicle can not slide backwards because the vehicle is always in the automatic parking state, so that the torque output of the driving motor can be controlled to be 0 through the driving motor controller. The problem of among the prior art in whole automatic parking process driving motor and controller be in the output state of working, driving motor and drive control have high temperature risk is solved.
Specifically, the emergency braking thrust position is a position with air pressure of 0MPa in pneumatic braking, and the hand brake switch angle is 55-65 degrees. According to empirical values, the handbrake switch angle is typically around 60 ° as shown in fig. 2.
In one embodiment, the controlling the driving motor controller according to the angle information to enable the driving motor to perform torque output according to a handbrake switch angle includes: and when the vehicle control unit determines that the hand brake switch reaches an emergency braking thrust position from a parking braking locking position according to the angle information, a second control signal is generated and sent to the driving motor controller, so that the driving motor controller controls the torque output of the driving motor to prevent the vehicle from sliding on the slope.
In this embodiment, when the hand brake switch reaches the emergency braking thrust position from the parking braking locking position, the driving motor is controlled by the driving motor controller to enable the driving motor to perform torque output, so that the problem that in the prior art, when the hand brake switch is released, the vehicle is in a slope-slipping-preventing closing state in the process that the hand brake switch is from 60 degrees to 10 degrees due to the fact that the torque output is performed in advance, and the vehicle has a backward slipping phenomenon when the hand brake torque is smaller than the backward slipping torque is solved.
In one embodiment, the handbrake switch angle collecting device comprises an electromagnetic switch and an angle sensor, and the angle information is a voltage signal of the angle sensor. In this embodiment, the vehicle control unit collects the voltage signal of the angle sensor of the hand brake switch, and can perform reasonable active control on the motor braking according to different voltage values.
Specifically, the parking brake locking position is a position for maintaining the air pressure in a brake pipeline to be 0MPa, and the hand brake switch angle is 90-80 degrees. According to the empirical value, the handbrake switch angle is about 85 ° in general, as shown in fig. 2.
Further, as shown in fig. 1, the air-braking automatic parking control system further comprises a display instrument 9, wherein the display instrument is connected with the vehicle control unit through a second CAN bus and used for displaying various vehicle parameters and warning through sound, light and electric signals
Compared with the prior art: the embodiment of the utility model provides an foretell air brake parking control system utilizes the intelligent automatic control technique of modernization, and vehicle control unit passes through CAN bus control technique, CAN realize preventing swift current slope when the vehicle parking, and automatic parking function is the embodiment of whole car automatic control technique, combines the surrounding environment, provides technical support for vehicle initiative safety at any time. And the system does not work all the time, but according to the angle of the hand brake switch, the whole vehicle controller automatically controls in real time, thus reducing the consumption of electric energy and prolonging the continuous operation mileage of the electric vehicle. The safety coefficient is high: compared with the traditional pneumatic braking parking mode, the hidden danger of sliding can be effectively reduced, and the safety is actively improved. The cost is low: because motor high temperature easily causes motor life's reduction, compares high motor maintenance cost, and this utility model's cost advantage is obvious. The use and maintenance are convenient: the automatic alarm system has the advantages that the automatic alarm system can automatically complete safety protection, automatically prompt a driver to maintain and repair the system, and the like.
On the other hand, as shown in fig. 3, the embodiment of the present invention provides an automatic parking control method for air brake, which is applied to the automatic parking control system for air brake in the above embodiment, and is not repeated here, the method includes:
step 101, the hand brake switch angle collecting device collects the opening and closing angle of the hand brake switch and generates angle information;
and 102, the vehicle control unit acquires the angle information and controls the drive motor controller according to the angle information so that the drive motor can output torque according to the angle of a hand brake switch.
Further, the controlling the driving motor controller according to the angle information to enable the driving motor to perform torque output according to a handbrake switch angle includes: the vehicle control unit generates a first control signal when determining that the hand brake switch is positioned at an emergency braking thrust position according to the angle information; and the vehicle control unit sends the first control signal to the drive motor controller, so that the drive motor controller controls the torque output of the drive motor to be 0.
Further, the controlling the driving motor controller according to the angle information to enable the driving motor to perform torque output according to a handbrake switch angle includes: the vehicle control unit generates a second control signal when determining that the hand brake switch reaches an emergency braking thrust position from a parking braking locking position according to the angle information; and the vehicle control unit sends the second control signal to the drive motor controller, so that the drive motor controller controls the torque output of the drive motor to prevent the vehicle from rolling on the slope.
The embodiment of the utility model provides an automatic parking control method of air brake, through mutually supporting between vehicle control unit, manual brake switch angle collection device, driving motor controller, driving motor, air supply and the axle transmission and because vehicle control unit acquires angle information and basis angle information control the driving motor controller is so that driving motor carries out torque output according to manual brake switch angle, has realized driving motor's active control in city passenger train and the highway passenger train.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. An automatic air brake parking control system is characterized by comprising a vehicle control unit, a hand brake switch angle collecting device, a driving motor controller, a driving motor, an air source and an axle transmission device; the hand brake switch and the hand brake switch angle collecting device are electrically connected with the whole vehicle controller; the vehicle control unit is connected with a drive motor controller through a first CAN bus, the drive motor controller is connected with a drive motor, the drive motor is connected with an axle transmission device, and the axle transmission device is connected with the hand brake switch through an air source;
the hand brake switch angle collecting device is positioned below the hand brake switch and used for collecting the opening and closing angle of the hand brake switch and generating angle information;
and the vehicle control unit is used for acquiring the angle information and controlling the drive motor controller according to the angle information so as to enable the drive motor to output torque according to the angle of a hand brake switch.
2. The system according to claim 1, wherein the controlling the driving motor controller according to the angle information to cause the driving motor to perform torque output according to a handbrake switch angle comprises:
and when the vehicle control unit determines that the hand brake switch is positioned at an emergency braking thrust position according to the angle information, generating a first control signal, and sending the first control signal to the driving motor controller, so that the driving motor controller controls the torque output of the driving motor to be 0.
3. The system according to claim 1, wherein the controlling the driving motor controller according to the angle information to cause the driving motor to perform torque output according to a handbrake switch angle comprises:
and when the vehicle control unit determines that the hand brake switch reaches an emergency braking thrust position from a parking braking locking position according to the angle information, a second control signal is generated and sent to the driving motor controller, so that the driving motor controller controls the torque output of the driving motor to prevent the vehicle from sliding on the slope.
4. The system according to any one of claims 1-3, wherein the handbrake switch angle collecting means comprises an electromagnetic switch and an angle sensor, and the angle information is a voltage signal of the angle sensor.
5. The system according to any one of claims 1-3, further comprising a display instrument, wherein the display instrument is connected with the vehicle control unit through a second CAN bus, and is used for displaying various vehicle parameters and giving an alarm through sound, light, electricity and signals.
6. The system of claim 2, wherein the emergency brake thrust position is a position where air pressure is 0MPa in air braking and the handbrake switch angle is 55 ° -65 °.
7. The system of claim 3, wherein the parking brake lock position is a position that maintains a pressure of 0MPa in the brake line, and the handbrake switch angle is 90 ° -80 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961898.8U CN207029146U (en) | 2017-08-03 | 2017-08-03 | Gas brakes automatic parking control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961898.8U CN207029146U (en) | 2017-08-03 | 2017-08-03 | Gas brakes automatic parking control system |
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| CN207029146U true CN207029146U (en) | 2018-02-23 |
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| CN201720961898.8U Active CN207029146U (en) | 2017-08-03 | 2017-08-03 | Gas brakes automatic parking control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444368A (en) * | 2017-08-03 | 2017-12-08 | 山东沂星电动汽车有限公司 | Gas brakes automatic parking control system and method |
| CN108422899A (en) * | 2018-03-09 | 2018-08-21 | 安徽安凯汽车股份有限公司 | A kind of triple brake safes protection system and methods of new-energy automobile |
-
2017
- 2017-08-03 CN CN201720961898.8U patent/CN207029146U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444368A (en) * | 2017-08-03 | 2017-12-08 | 山东沂星电动汽车有限公司 | Gas brakes automatic parking control system and method |
| CN108422899A (en) * | 2018-03-09 | 2018-08-21 | 安徽安凯汽车股份有限公司 | A kind of triple brake safes protection system and methods of new-energy automobile |
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