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Electric power-assisted braking system

A braking system and electric power assist technology, which is applied in the direction of brakes, braking transmission devices, transportation and packaging, etc., can solve the problems of slow braking response speed, high motor power requirements, and low transmission efficiency, so as to improve transmission efficiency , Adjustable pedal feel, smooth foot feel

Pending Publication Date: 2021-03-05
SHANGHAI HUIZHONG AUTOMOTIVE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide an electric power-assisted braking system to overcome the defects of low transmission efficiency, slow braking response speed, and high requirements on motor power in the existing technology.

Method used

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  • Electric power-assisted braking system
  • Electric power-assisted braking system
  • Electric power-assisted braking system

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Embodiment Construction

[0078] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0079] Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same numbers will be used throughout the drawings to refer to the same or like parts.

[0080] In addition, although the terms used in the present invention are selected from well-known and commonly used terms, some terms mentioned in the description of the present invention may be selected by the applicant according to his or her judgment, and the detailed meanings thereof are set forth herein described in the relevant section of the description. ...

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Abstract

The invention provides an electric power-assisted braking system which comprises a pedal simulator device, a power-assisted transmission mechanism, a power-assisted return device and a supporting shell, and the pedal simulator device is installed at one end of the supporting shell and extends into the supporting shell; the power-assisted transmission mechanism is installed at the other end of thesupporting shell and extends into the supporting shell. A pedal push rod of the pedal simulator device is connected in series with a power-assisted push rod of the power-assisted transmission mechanism, so that decoupling during electric power assistance and coupling without power assistance are realized; the power-assisted return device is installed on the power-assisted transmission mechanism and used for driving a power-assisted push rod of the power-assisted transmission mechanism to return. According to the invention, the transmission mechanism is arranged in the mode that a lead screw and a gear are combined, the pedal simulator device with a large spring and a small spring connected in parallel is matched, the transmission efficiency of the transmission mechanism can be improved, and the brake response speed is increased; and in the pedal treading process of a user, the foot feeling is smoother and the pedal feeling is adjustable.

Description

technical field [0001] The invention relates to the field of braking systems, in particular to an electric power-assisted braking system. Background technique [0002] In the prior art, with the vigorous development and application of new energy vehicles represented by electric vehicles and hybrid vehicles, the cruising range of vehicles has always been a major concern of the majority of users. The braking system has always been a key research object of automobiles. The current development trend of intelligence and electrification has put forward higher requirements and challenges for the braking system to be able to actively build pressure and realize the function of braking energy recovery. In addition to satisfying the adjustable brake pedal and active braking functions of intelligent driving, the braking system also needs to work with the regenerative braking system to ensure the efficiency of braking energy recovery and maintain a good brake pedal feel. [0003] The el...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/74
CPCB60T13/745B60T13/746
Inventor 邹常华翟林铎
Owner SHANGHAI HUIZHONG AUTOMOTIVE MFG
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