CN216969618U - Emergency release parking brake system and vehicle - Google Patents

Emergency release parking brake system and vehicle Download PDF

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Publication number
CN216969618U
CN216969618U CN202123452949.XU CN202123452949U CN216969618U CN 216969618 U CN216969618 U CN 216969618U CN 202123452949 U CN202123452949 U CN 202123452949U CN 216969618 U CN216969618 U CN 216969618U
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China
Prior art keywords
air
parking brake
brake
air bag
parking
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CN202123452949.XU
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Chinese (zh)
Inventor
吴成全
付永泉
秦宬
刘强
张天胜
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BYD Co Ltd
Changsha BYD Automobile Co Ltd
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BYD Co Ltd
Changsha BYD Automobile Co Ltd
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Abstract

The utility model provides an emergency parking brake releasing system and a vehicle, wherein the emergency parking brake releasing system comprises a gas supply assembly, a suspension system, a brake control assembly and a parking brake, the suspension system comprises at least one air bag, one end of the air bag is communicated to the gas supply assembly, the other end of the air bag is connected with the parking brake through the brake control assembly, and the brake control assembly controls the air pressure of the air bag and the air pressure of the parking brake to be switched on and off. The emergency parking brake releasing system realizes the rapid parking releasing by arranging the air bag to be communicated with the parking brake.

Description

Emergency release parking brake system and vehicle
Technical Field
The utility model relates to the technical field of automobile control, in particular to an emergency parking brake releasing system and a vehicle.
Background
The parking brake is a manual brake installed on a motor vehicle, and is called a hand brake for short, and is used for stabilizing the vehicle after the vehicle is stopped stably, so that accidents caused by vehicle sliding when the vehicle is stopped on a slope road surface are avoided. The common hand brake is generally arranged at the position where the right hand of a driver hangs down, so that the hand brake is convenient to use. The parking brakes of vehicles adopting air pressure braking, such as buses, adopt high-pressure start-stop parking brakes, the vehicles adopting air pressure braking, such as buses, cannot normally release parking in an emergency state that vehicle faults (engine faults, battery power failure, damage to an air compressor and a pipeline system and the like) lose compressed air, and in order to move large buses to a safe area for maintenance, the operation of the current moving vehicles is complex, and a manual mechanical mode is required to compress springs of air chambers of the parking brakes.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems that the existing parking brake releasing is long in time consumption and hard to operate, the emergency parking brake releasing system is provided.
The utility model provides an emergency parking brake releasing system which comprises a gas supply assembly, a suspension system, a brake control assembly and a parking brake, wherein the suspension system comprises at least one air bag, one end of the air bag is communicated to the gas supply assembly, the other end of the air bag is connected with the parking brake through the brake control assembly, and the brake control assembly controls the air pressure of the air bag and the air pressure of the parking brake to be on and off.
Optionally, the gas supply assembly comprises a gas tank and an air pump, the air pump is connected with the gas tank, and the gas tank is connected with the airbag.
Optionally, the suspension system further comprises a suspension, a communicating piece and a height valve, and the air bag is used for supporting the suspension; the connecting piece is communicated with an air outlet pipe, an air inlet pipe and at least one communicating pipe, the air inlet pipe is connected with the air storage tank, the air outlet pipe is connected with the parking brake, and the communicating pipe is connected with the air bag; the altitude valve is arranged on the air inlet pipe and is positioned between the air storage tank and the air bag.
Optionally, the brake control assembly comprises an air pressure control valve and a manual control switch, wherein the air pressure control valve is arranged on the air outlet pipe and is positioned between the air bag and the parking brake; the manual control switch is connected with the air pressure control valve and the air bag.
Optionally, the brake control assembly further comprises an electronic control switch electrically connected to the air pressure control valve.
Optionally, the gas supply assembly further comprises a condenser connecting the gas pump and the gas storage tank.
Optionally, the gas supply assembly further comprises an air handling unit, a dryer is arranged in the air handling unit, and the air handling unit is connected with the condenser and the gas storage tank.
Optionally, the parking brake comprises a plurality of parking spring brake chambers, and the suspension system is connected to the plurality of parking spring brake chambers respectively.
In another aspect, the utility model further provides a vehicle comprising the emergency release parking brake system.
In the utility model, when the vehicle needs to be temporarily moved or hauled under special conditions such as vehicle breakdown (the conditions of damage and air leakage of a brake air pressure system or a parking loop, and the like), unpowered delivery and the like, the vehicle cannot normally release parking, the air bag is connected with the parking brake through the brake control assembly, so that the air pressure in the air bag is communicated with the air pressure of the parking brake, and the parking brake is quickly released, thereby facilitating the movement of the vehicle and avoiding larger loss caused in an emergency state.
Drawings
Fig. 1 is a schematic structural diagram of an emergency release parking brake system according to an embodiment of the present invention.
Description of reference numerals:
10. a suspension system; 11. a communicating member; 12. a altitude valve; 13. an air bag; 14. an air outlet pipe; 15. an air inlet pipe; 16. a communicating pipe; 20. a brake control assembly; 21. an air pressure control valve; 22. a manual control switch; 23. an electronic control switch; 30. a parking brake; 31. a first parking spring brake chamber; 32. a second parking spring brake chamber; 41. a gas storage tank; 42. an air pump; 43. a condenser; 44. an air handling unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
As shown in fig. 1, an emergency release parking brake system according to an embodiment of the present invention includes a gas supply assembly, a suspension system 10, a brake control assembly 20 and a parking brake 30, where the suspension system 10 includes at least one air bag 13, one end of the air bag 13 is connected to the gas supply assembly, the other end of the air bag 13 is connected to the parking brake 30 through the brake control assembly 20, and the brake control assembly 20 controls on/off of air pressure of the air bag 13 and air pressure of the parking brake 30.
In this embodiment, when the vehicle needs to be temporarily moved or hauled under special conditions such as vehicle breakdown (damage and air leakage of a brake air pressure system or a parking loop), unpowered delivery and the like, the vehicle cannot be normally released from parking, the air bag 13 is connected with the parking brake 30 through the brake control assembly 20, so that the air pressure in the air bag 13 is communicated with the air pressure of the parking brake 30, and the parking brake is rapidly released, thereby facilitating the movement of the vehicle and avoiding greater loss in an emergency state.
In some embodiments of the present invention, as shown in fig. 1, the gas supply assembly comprises a gas tank 41 and a gas pump 42, the gas pump 42 is connected to the gas tank 41, and the gas tank 41 is connected to the airbag 13. The air pump 42 is used to provide a source of pneumatic energy, and alternatively the air pump 42 may be an air compressor. The gas tank 41 is used to store compressed gas.
In some embodiments of the present invention, as shown in fig. 1, the suspension system 10 further comprises a suspension, a communication member 11 and a height valve 12, and the air bag 13 is used for supporting the suspension. The communicating piece 11 is communicated with an air outlet pipe 14, an air inlet pipe 15 and at least one communicating pipe 16, the air inlet pipe 15 is connected with the air storage tank 41, the air outlet pipe 14 is connected with the parking brake 30, and the communicating pipe 16 is connected with the air bag 13. The altitude valve 12 is disposed on the intake pipe 15 and between the air tank 41 and the air bag 13, the altitude valve 12 controls the inflation or deflation of the air bag 13 to adjust the pressure of the air bag 13 to adjust the altitude of the air bag 13, and the altitude valve 12 also has the function of a check valve, so that when the air tank 41 is damaged or leaks air, the air pressure in the air bag 13 keeps a normal state. The airbag 13 communicates with the communication member 11 through the intake duct 15.
As shown in fig. 1, in some embodiments of the present invention, the brake control assembly 20 includes a pneumatic control valve 21 and a manual control switch 22, the pneumatic control valve 21 is disposed on the outlet pipe 14 between the airbag 13 and the parking brake 30, and the pneumatic control valve 21 is used to control the flow direction, on/off and pressure of the compressed gas. The manual control switch 22 connects the air pressure control valve 21 and the air bag 13, and the manual control switch 22 controls the opening and closing of the air pressure control valve 21, thereby controlling the on/off of the air pressure of the air bag 13 and the air pressure of the parking brake 30.
In some embodiments of the utility model, as shown in fig. 1, the brake control assembly 20 further comprises an electronic control switch 23, and the electronic control switch 23 is electrically connected to the air pressure control valve 21. The on-off of the air pressure control valve 21 is controlled through two modes of a manual control switch 22 and an electronic control switch 23, namely the on-off of the air pressure of the air bag 13 and the air pressure of the parking brake 30 is controlled, the parking is released when the air pressure of the air bag 13 and the air pressure of the parking brake 30 are in an on state, the vehicle is convenient to maintain in time, and the air bag type parking brake is suitable for various scenes needing to quickly release the parking in time, such as unpowered transmission and transportation, a fault vehicle needing to be moved out of a dangerous area in time and the like. The air pressure of the air bag 13 and the parking brake 30 is off, that is, the original parking state is maintained.
In some embodiments of the present invention, as shown in fig. 1, the gas supply assembly further comprises a condenser 43, and the condenser 43 connects the gas pump 42 and the gas storage tank 41 to reduce the temperature of the compressed gas.
In some embodiments of the present invention, as shown in fig. 1, the air supply assembly further comprises an air handling unit 44, a dryer is disposed in the air handling unit 44 for filtering moisture in the compressed air, and the air handling unit 44 connects the condenser 43 and the air storage tank 41. And the air handling unit 44 is adapted to split the compressed air into a plurality of mutually independent circuits for delivery to the air reservoir 41.
In some embodiments of the present invention, the parking brake includes a plurality of parking spring brake chambers, and the suspension system is connected to the plurality of parking spring brake chambers, respectively. The number of air bags increases as the number of parking spring brake chambers increases.
In some embodiments of the present invention, as shown in fig. 1, there are two parking spring brake chambers, namely, a first parking spring brake chamber 31 and a second parking spring brake chamber 32, and the suspension system 10 is connected to the first parking spring brake chamber 31 and the second parking spring brake chamber 32, respectively. The first and second parking spring brake chambers 31 and 32 are used to convert the pressure of the gas into the pushing force of the rod member to perform braking.
In another aspect, an embodiment of the present invention further provides a vehicle, including the emergency release parking brake system in any of the above embodiments.
The above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. Such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (9)

1. The emergency release parking brake system is characterized by comprising a gas supply assembly, a suspension system, a brake control assembly and a parking brake, wherein the suspension system comprises at least one air bag, one end of the air bag is communicated to the gas supply assembly, the other end of the air bag is connected with the parking brake through the brake control assembly, and the brake control assembly controls the air pressure of the air bag and the air pressure of the parking brake to be on and off.
2. The emergency release parking brake system of claim 1, wherein the gas supply assembly comprises a gas tank and a gas pump, the gas pump being connected to the gas tank, the gas tank being connected to the airbag.
3. The emergency release parking brake system of claim 2, wherein the suspension system further comprises a suspension, a communication member and a height valve, and the air bag is used for supporting the suspension; the communicating piece is communicated with an air outlet pipe, an air inlet pipe and at least one communicating pipe, the air inlet pipe is connected with the air storage tank, the air outlet pipe is connected with the parking brake, and the communicating pipe is connected with the air bag; the altitude valve is arranged on the air inlet pipe and is positioned between the air storage tank and the air bag.
4. The emergency release parking brake system of claim 3, wherein the brake control assembly includes a pneumatic control valve and a manual control switch, the pneumatic control valve being disposed on the outlet duct between the airbag and the parking brake; the manual control switch is connected with the air pressure control valve and the air bag.
5. The emergency release parking brake system of claim 4, wherein the brake control assembly further comprises an electronic control switch electrically connected to the air pressure control valve.
6. The emergency release parking brake system of claim 2, wherein the air supply assembly further comprises a condenser connecting the air pump and the air reservoir.
7. The emergency park brake release system of claim 6, wherein the gas supply assembly further comprises an air handling unit having a dryer disposed therein, the air handling unit connecting the condenser and the air reservoir.
8. The emergency release parking brake system of claim 1, wherein the parking brake includes a plurality of parking spring brake chambers, and the suspension system is connected to the plurality of parking spring brake chambers, respectively.
9. A vehicle comprising an emergency release parking brake system according to any one of claims 1 to 8.
CN202123452949.XU 2021-12-31 2021-12-31 Emergency release parking brake system and vehicle Active CN216969618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123452949.XU CN216969618U (en) 2021-12-31 2021-12-31 Emergency release parking brake system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123452949.XU CN216969618U (en) 2021-12-31 2021-12-31 Emergency release parking brake system and vehicle

Publications (1)

Publication Number Publication Date
CN216969618U true CN216969618U (en) 2022-07-15

Family

ID=82350718

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123452949.XU Active CN216969618U (en) 2021-12-31 2021-12-31 Emergency release parking brake system and vehicle

Country Status (1)

Country Link
CN (1) CN216969618U (en)

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