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Brake system

A brake system and brake pedal technology, applied in the direction of brakes, foot-operated starting devices, etc., can solve the problems of slow emergency braking, reducing the driver's effort, effort, etc.

Pending Publication Date: 2020-11-17
上海拿森汽车电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the pure spring structure cannot accurately control the pedal feel curve. The pure spring simulation structure has almost no hysteresis. The driver's force on the brake device. The driver needs to overcome the spring force to apply pressure to the brake device. Emergency braking is slow

Method used

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Embodiment Construction

[0029] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings but not all of them.

[0030] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordin...

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Abstract

The invention relates to the technical field of automobile braking, in particular to a brake system which comprises a shell, the shell is provided with a first sliding cavity, and one side of the first sliding cavity is provided with a first opening; a piston device which is arranged in the first sliding cavity in a sliding mode, the piston device can be driven by a brake pedal to slide along thefirst sliding cavity, the piston device divides the first sliding cavity into an outer cavity body with the variable volume and a load cavity body with the variable volume, the first opening is formedin the outer cavity body, and hydraulic oil is injected into the load cavity body; a brake device which comprises a power assisting assembly and a brake oil cylinder, a brake piston of the brake oilcylinder moves to brake the vehicle, and the power assisting assembly can push the brake piston to move; and a first valve assembly which enables the load cavity to be selectively communicated with the piston cavity of the brake oil cylinder and the oil storage tank. According to the brake system, the hysteresis feeling can be generated, and the emergency braking efficiency can be ensured under the condition of power failure.

Description

technical field [0001] The invention relates to the technical field of automobile braking, in particular to a braking system. Background technique [0002] The hydraulic brake system is an important component of motor vehicles such as automobiles, and the user brakes through structures such as pedals. [0003] Electronic braking products are mostly used in existing motor vehicles. In order to avoid the reaction force generated by purely mechanical contact in the braking structure from hurting the user's feet or having a bad foot feeling, electronic braking products are equipped with pedal simulators. Existing pedal simulators usually have a pure spring structure, and the elastic force of the spring is used to make the user feel damping and hysteresis. [0004] However, the pure spring structure cannot accurately control the pedal feel curve. The pure spring simulation structure has almost no hysteresis. The driver exerts force on the braking device. The driver needs to ove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/40B60T7/06
CPCB60T8/409B60T7/06
Inventor 杜立新陶喆刘海珍于鑫高昌晟
Owner 上海拿森汽车电子有限公司