Active high-pressure brake system

A brake system, high-pressure technology, applied in the direction of hydraulic brake transmission, brake, brake transmission, etc., can solve the problems of slow response time, rough braking, and weak braking force of the air pressure braking system, and achieve improved Braking controllability and sensory comfort, braking force and response speed are improved, driving comfort and controllability are improved

Pending Publication Date: 2018-09-14
襄阳市智悦信诚智能科技有限责任公司
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AI Technical Summary

Problems solved by technology

However, the air brake system has the following deficiencies: 1. The response time of the air brake system is slow (0.6-0.9S), and the driver’s subjective experience of braking is rough, which is not easy to reflect the driver’s braking intention; 2. The air compressor consumes a lot Large power; 3. Generate exhaust noise; 4. The system has many parts, heavy weight and high cost
The braking force is weak and cannot meet the braking force requirements of large-tonnage vehicles

Method used

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  • Active high-pressure brake system

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Embodiment Construction

[0020] Such as figure 1 shown. An active high-voltage braking system of the present invention includes a manual + power-assisted braking device A, an electronically controlled high-voltage device B, a switching control device D, a multi-component pump control device E, a brake master cylinder pressure sensor F and a controller ECU25, the system The dynamic master cylinder pressure sensor F adopts the pressure sensor 9, and can also be replaced by a pressure switch. Wherein, the manual+assisted braking device A is composed of an oil pot 1, a master brake cylinder 2, a vacuum booster 3 and a brake pedal 4, all of which are the same as those of the prior art. The oil pot 1 has one more oil outlet, which is connected to the liquid intake port of the electronically controlled high-pressure device B, and is connected to the pressure relief valve port of the multi-component pump control device E at the same time. The electronically controlled high-voltage device B, the switching co...

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Abstract

The invention relates to an active high-pressure brake system, belongs to the technical field of car hydraulic power assisted brake systems, and mainly aims to solve the problem of contradiction between the brake force increasing and brake response speed increasing of an existing commercial vehicle traditional air brake system and hydraulic brake system. The active high-pressure brake system mainly comprises a manual and power assisted brake device, a multi-component pump control device, an electric control high-pressure device, a switching control loop and a break master cylinder pressure sensor and is characterized in that the electric control high-pressure device, the switching control loop and the multi-component pump control device are sequentially connected through brake pipelines; the break master cylinder pressure sensor is communicated to the output end of a brake master cylinder and connected with the switching control loop. By the active high-pressure brake system, the problem that the brake force of the existing commercial vehicle hydraulic brake system is insufficient is solved, and the problems of rough brake and high system cost caused by the fact that the existing commercial vehicle air brake system is slow in response are solved.

Description

technical field [0001] The invention belongs to the technical field of automobile braking systems, and in particular relates to an active high-voltage braking system for commercial vehicles. Background technique [0002] At present, the braking system adopted by commercial vehicles over three tons is an air braking system. Air pressure braking uses stored air compressed air as the braking power source. The power source of the air pressure braking system comes from the air compressor on the engine. The pressure of the compressed air can reach 0.8MP, and the braking force is relatively large, which can better adapt to heavy duty vehicles. The braking force requirement of the car. However, the air brake system has the following deficiencies: 1. The response time of the air brake system is slow (0.6-0.9S), and the driver’s subjective experience of braking is rough, which is not easy to reflect the driver’s braking intention; 2. The air compressor consumes a lot Large power; 3....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/14B60T13/565B60T13/58B60T13/68
CPCB60T13/14B60T13/565B60T13/58B60T13/686
Inventor 黄国伟张守伟黄颖
Owner 襄阳市智悦信诚智能科技有限责任公司
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