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Distributed brake system of automobile, automobile and control method of distributed brake system

A brake system, distributed technology, applied in the direction of brake safety system, brake, brake transmission device, etc., can solve the problem of low redundancy performance of distributed brake system, and achieve the effect of improving redundancy performance

Active Publication Date: 2021-03-30
HUAWEI TECH CO LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] As mentioned above, whether it is an X-type arrangement or an H-type arrangement, as long as two supercharging devices in one group fail, the other supercharging device belonging to the same group will also be shielded. The failure of the supercharging device, which loses half of the braking force, leads to a low redundancy of the car's distributed braking system

Method used

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  • Distributed brake system of automobile, automobile and control method of distributed brake system
  • Distributed brake system of automobile, automobile and control method of distributed brake system
  • Distributed brake system of automobile, automobile and control method of distributed brake system

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Embodiment Construction

[0084] The technical solution in this application will be described below with reference to the accompanying drawings.

[0085] In the traditional distributed braking system, the distributed electro-hydraulic braking system (Distributed Electro-hydraulic Braking System, DEHB) is a popular braking system, which usually includes 4 sets of independent booster devices to provide brakes for the 4 wheels respectively. power. At present, there are two ways to divide the above four sets of supercharging devices into two groups. One is to divide the supercharging device of the right front wheel of the car into one group with the supercharging device of the left front wheel of the car, and at the same time divide the supercharging device of the car's The supercharging device of the right rear wheel and the supercharging device of the left rear wheel of the automobile are divided into one group, that is, the H-shaped arrangement. The other is to divide the supercharging device of the ri...

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Abstract

The invention provides a distributed brake system of an automobile, the automobile and a control method of the distributed brake system. The redundancy performance of the distributed braking system isimproved. The scheme of the application is suitable for intelligent automobiles, new energy automobiles or traditional automobiles and the like. Specifically, the scheme of the invention relates to the improvement of the distributed brake system in the automobile. A first control valve (17) is connected between a first brake pipeline (111) and a second brake pipeline (112), so that the brake pipelines corresponding to supercharging devices belonging to the same group are connected. When one of the two brake pipelines breaks down, the first control valve (17) can be controlled to be in a conducting state, so that brake fluid in the two brake pipelines can circulate, and the redundancy performance of the distributed brake system can be improved.

Description

technical field [0001] The present application relates to the field of automobiles, and more specifically, to a distributed braking system of an automobile, an automobile and a control method for the distributed braking system in the automobile. Background technique [0002] The braking system of a car is a system that applies a certain braking force to the wheels of the car to perform a certain degree of mandatory braking. The function of the braking system is to make the driving car decelerate or even stop forcibly according to the requirements of the driver or the controller, or to make the stopped car stably park under various road conditions (for example, on a slope), or to make the The speed of the car traveling downhill remains steady. With the development of automobile electrification and intelligence, automobiles have higher and higher requirements for braking systems. With the improvement of the level of automatic driving, the dependence of the operation of the b...

Claims

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Application Information

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IPC IPC(8): B60T8/17B60T13/68B60T13/14
CPCB60T8/17B60T13/142B60T13/148B60T15/02B60T17/04B60T8/88B60T8/885B60T13/686B60T8/4081B60T13/662B60T7/042B60T17/22
Inventor 张永生王广义张伟刘晓康
Owner HUAWEI TECH CO LTD
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