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Automobile hydraulic brake system

A hydraulic braking and automotive technology, applied in the direction of brakes, brake transmissions, vehicle components, etc., can solve the problem that the system can only be controlled manually

Inactive Publication Date: 2017-09-26
杨华军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the technical problem that the automobile braking system in the prior art can only be controlled manually, the present invention provides an automobile hydraulic braking system, which can realize manual control and electric control without interfering with each other, further ensuring the safety of automobile driving sex and reliability

Method used

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  • Automobile hydraulic brake system
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Embodiment Construction

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] like figure 1 and figure 2 Shown, the embodiment of the present invention discloses a kind of automobile hydraulic braking system for automobile, figure 1 It is a structural schematic diagram of the automobile hydraulic braking system in the present invention, figure 2 It is an enlarged schematic diagram of the internal structure of the vacuum booster of the automobile hydraulic braking system in the present invention. The marks in are: 1-vacuum booster; 10-hose; 11-front chamber; 12-rear chamber; 13-diaphragm; 14-return spring; 15-vacuum valve port; Brake master cylinder; 3-ABS pump; 4-brake wheel cylinder; 5-vacuum source; 6-normally open solenoid valve; 7-normally closed solenoid valve; 8-controller; 9-pressure sens...

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Abstract

The invention discloses an automobile hydraulic brake system, which comprises a vacuum booster, a main brake cylinder and an ABS pump; a front cavity of the vacuum booster is connected with a vacuum source, and a pressure sensor is arranged on a pipeline between the ABS pump and the main brake cylinder; the pressure sensor is connected with a controller; a vacuum valve opening of the valve core of the vacuum booster is connected with a hose, and the hose is connected with the vacuum source through a normally-open electromagnetic valve after crossing through the outer wall of the front cavity of the vacuum booster; a normally-closed electromagnetic valve connected with air is arranged on the pipeline between the normally-open electromagnetic valve and the hose; the normally-open electromagnetic valve and the normally-open electromagnetic valve are connected with the controller. Through the pressure sensor, the brake system pressure feeds back in real time; the controller controls the pushing or retreating amount of a push rod of the vacuum booster according to pressure of the brake system, thus the electronic control of the automobile brake fluid system is realized on the basis of original manual control; the safety and reliability are improved.

Description

technical field [0001] The invention belongs to the technical field of automobile braking, in particular to an automobile hydraulic braking system. Background technique [0002] With the continuous development of smart car technology, various anti-collision products of cars and related technologies of automatic driving and unmanned driving are developing rapidly. Therefore, there is an urgent need for a reliable and electronically controlled car braking system to Meet the actual needs of smart car development. The hydraulic braking system is currently a relatively stable automotive braking system. However, it is either applied to manual mechanical control or purely electric control. For example, when applied to manual mechanical control, the automotive braking system mainly includes vacuum booster booster, brake master cylinder, anti-lock brake system and brake wheel cylinder, and the front cavity of the vacuum booster is connected with a vacuum source. When the vacuum boo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/72B60T13/52B60T13/68
CPCB60T13/72B60T13/52B60T13/686
Inventor 杨华军
Owner 杨华军
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