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CN-224225047-U - Brake valve group assembly and brake system and vehicle with same

CN224225047UCN 224225047 UCN224225047 UCN 224225047UCN-224225047-U

Abstract

The utility model provides a brake valve group assembly, a brake system with the brake valve group assembly and a vehicle, and relates to the technical field of vehicles. The brake valve group assembly comprises an automatic control valve group, wherein the automatic control valve group comprises a front axle automatic control valve and a rear axle automatic control valve, an input interface of the front axle automatic control valve is connected with an oil supply device, an output interface of the front axle automatic control valve is connected with a front axle brake, an input interface of the rear axle automatic control valve is connected with the oil supply device, an output interface of the rear axle automatic control valve is connected with a rear axle brake, the automatic control valve group further comprises at least one standby automatic control valve, and the standby automatic control valve is arranged in parallel with any one of the front axle automatic control valve and the rear axle automatic control valve, and the front axle automatic control valve, the rear axle automatic control valve and the standby automatic control valve are all connected with a vehicle controller. The technical scheme solves the problem that an automatic driving braking system in the prior art is not guaranteed.

Inventors

  • ZHOU CONG
  • HU BIAO
  • LI SHUHAO

Assignees

  • 易控智驾科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250513

Claims (11)

  1. 1. A brake valve assembly, comprising: The automatic control valve group (10), the automatic control valve group (10) comprises a front axle automatic control valve (11) and a rear axle automatic control valve (12), an input interface of the front axle automatic control valve (11) is connected with an oil supply device (20), an output interface of the front axle automatic control valve (11) is connected with a front axle brake (30), an input interface of the rear axle automatic control valve (12) is connected with the oil supply device (20), an output interface of the rear axle automatic control valve (12) is connected with a rear axle brake (40), the automatic control valve group (10) further comprises at least one standby automatic control valve (13), and the standby automatic control valve (13) is arranged in parallel with any one of the front axle automatic control valve (11) and the rear axle automatic control valve (12); The front axle automatic control valve (11), the rear axle automatic control valve (12) and the standby automatic control valve (13) are all connected with a vehicle controller.
  2. 2. Brake valve group assembly according to claim 1, characterized in that said automatic control valve group (10) comprises two said backup automatic control valves (13), one of said backup automatic control valves (13) being arranged in parallel with said front axle automatic control valve (11) and the other of said backup automatic control valves (13) being arranged in parallel with said rear axle automatic control valve (12).
  3. 3. Brake valve group assembly according to claim 1 or 2, characterized in that the backup automatic control valve (13) is arranged in parallel with any one of the front axle automatic control valve (11), the rear axle automatic control valve (12) via a shuttle valve.
  4. 4. The brake valve assembly of claim 2, the brake valve group assembly is characterized by further comprising: The input interface of the first shuttle valve (14) is respectively connected with the output interface of one of the standby automatic control valves (13) and the output interface of the front axle automatic control valve (11), and the output interface of the first shuttle valve (14) is connected with a front axle brake (30); And the input interface of the second shuttle valve (15) is respectively connected with the output interface of the other standby automatic control valve (13) and the output interface of the rear axle automatic control valve (12), and the output interface of the second shuttle valve (15) is connected with a rear axle brake (40).
  5. 5. The brake valve assembly of claim 4, the brake valve group assembly is characterized by further comprising: The input interface of the pedal brake valve (50) is connected with the oil supply device (20), the pedal brake valve (50) is electrically connected with a vehicle pedal, and the pedal brake valve (50) is used for adjusting output oil pressure according to a pedal signal of the vehicle pedal; The input interface of the third shuttle valve (16) is respectively connected with the first output interface of the pedal brake valve (50) and the output interface of the first shuttle valve (14), and the output interface of the third shuttle valve (16) is connected with the front axle brake (30); and the input interface of the fourth shuttle valve (17) is respectively connected with the second output interface of the pedal brake valve (50) and the output interface of the second shuttle valve (15), and the output interface of the fourth shuttle valve (17) is connected with the rear axle brake (40).
  6. 6. The brake valve assembly of claim 1, the brake valve group assembly is characterized by further comprising: the input interface of the parking brake valve group (60) is connected with the oil supply device (20), and the output interface of the parking brake valve group (60) is connected with the parking brake (70); The parking brake valve group (60) is connected with the vehicle controller, and adjusts output oil pressure based on a control signal of the vehicle controller.
  7. 7. The brake valve set assembly of claim 6, wherein the park brake valve set (60) includes a main switch (71) and an emergency switch (73), The first interface of main switch (71) with oil supply unit (20) is connected, the second interface of main switch (71) is connected with the oil return line, the output interface of main switch (71) with the first input interface connection of emergency switch (73), the second input interface of emergency switch (73) with oil return line connection, the output interface of emergency switch (73) is connected with the input interface of relief pressure valve (72), the output interface of relief pressure valve (72) with parking brake (70) are connected.
  8. 8. The brake valve assembly of claim 7, wherein the valve assembly further comprises a valve housing, The main switch (71) is a two-position three-way normally-closed electromagnetic valve, and/or the emergency switch (73) is a two-position three-way normally-open electromagnetic valve.
  9. 9. Brake valve group assembly according to claim 1 or 2, characterized in that the front axle automatic control valve (11), the rear axle automatic control valve (12) and the backup automatic control valve (13) are all electromagnetic proportional pressure reducing valves.
  10. 10. A brake system, wherein the brake system includes a brake valve assembly, the brake valve assembly is as claimed in any one of claims 1 to 9.
  11. 11. A vehicle, characterized in that the vehicle has a brake system, the brake system is the brake system of claim 10.

Description

Brake valve group assembly and brake system and vehicle with same Technical Field The utility model relates to the technical field of vehicles, in particular to a brake valve group assembly, a brake system with the brake valve group assembly and a vehicle. Background In the current mining card industry, most vehicles employ a braking system in a manual driving mode. Such a system mainly relies on the driver's operation to achieve brake control of the vehicle, and braking of the vehicle is achieved by the driver depressing a brake pedal. In the unmanned mode in the prior art, once the main braking system fails, the main braking system cannot be immediately switched to the standby system, so that the safety risk of the vehicle under the condition of no intervention of a driver is increased. In view of the above problems, no effective solution has been proposed at present. Disclosure of utility model The utility model mainly aims to provide a brake valve group assembly, a brake system with the brake valve group assembly and a vehicle, so as to solve the problem that an automatic driving brake system is not guaranteed in the prior art. In order to achieve the above purpose, according to one aspect of the present utility model, there is provided a brake valve assembly comprising an automatic control valve assembly comprising a front axle automatic control valve and a rear axle automatic control valve, wherein an input port of the front axle automatic control valve is connected with an oil supply device, an output port of the front axle automatic control valve is connected with a front axle brake, an input port of the rear axle automatic control valve is connected with the oil supply device, an output port of the rear axle automatic control valve is connected with a rear axle brake, the automatic control valve assembly further comprises at least one standby automatic control valve, the standby automatic control valve is arranged in parallel with any one of the front axle automatic control valve and the rear axle automatic control valve, and the front axle automatic control valve, the rear axle automatic control valve and the standby automatic control valve are all connected with a vehicle controller. Further, the automatic control valve group comprises two standby automatic control valves, wherein one standby automatic control valve is arranged in parallel with the front axle automatic control valve, and the other standby automatic control valve is arranged in parallel with the rear axle automatic control valve. Further, the standby automatic control valve is arranged in parallel with any one of the front axle automatic control valve and the rear axle automatic control valve through the shuttle valve. The brake valve group assembly further comprises a first shuttle valve, wherein an input interface of the first shuttle valve is connected with an output interface of one standby automatic control valve and an output interface of the front axle automatic control valve, the output interface of the first shuttle valve is connected with a front axle brake, an input interface of the second shuttle valve is connected with an output interface of the other standby automatic control valve and an output interface of the rear axle automatic control valve, and the output interface of the second shuttle valve is connected with the rear axle brake. The brake valve group assembly further comprises a pedal brake valve, an input interface of the pedal brake valve is connected with the oil supply device, the pedal brake valve is electrically connected with a vehicle pedal, the pedal brake valve is used for adjusting output oil pressure according to pedal signals of the vehicle pedal, the input interface of the third shuttle valve is connected with a first output interface of the pedal brake valve and an output interface of the first shuttle valve, the output interface of the third shuttle valve is connected with a front axle brake, and the input interface of the fourth shuttle valve is connected with a second output interface of the pedal brake valve and an output interface of the second shuttle valve. The parking brake valve group assembly further comprises a parking brake valve group, an input interface of the parking brake valve group is connected with the oil supply device, an output interface of the parking brake valve group is connected with the parking brake, and the parking brake valve group is connected with the vehicle controller and adjusts output oil pressure based on a control signal of the vehicle controller. Further, the parking brake valve group comprises a main switch and an emergency switch, a first interface of the main switch is connected with the oil supply device, a second interface of the main switch is connected with the oil return pipeline, an output interface of the main switch is connected with a first input interface of the emergency switch, a second input interface of the emergency switch is connected wi