Electric booster device for automobile parking braking

A technology for electric power assist and automobiles, which is applied in the direction of brake transmission, brakes, vehicle components, etc. It can solve the problems of hidden dangers and the inability to effectively achieve the effect of parking brakes, and achieve the effect of reducing strength requirements and eliminating hidden dangers of braking

Inactive Publication Date: 2009-11-18
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the joystick of this structure has certain requirements on the driver's hand strength. If the driver's strength is relatively small (such as a female driver), it is possible that the joystick cannot be pulled in place due to insufficient strength, resulting in failure to effectively reach the parking position. Car braking effect, causing hidden dangers

Method used

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  • Electric booster device for automobile parking braking
  • Electric booster device for automobile parking braking

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Effect test

Embodiment Construction

[0014] see figure 1 and figure 2 , the electric power booster for automobile parking brake of the present invention is applicable to a manual parking brake system provided with a brake handle, mainly composed of an electronic control unit (hereinafter referred to as ECU, not shown in the figure), a booster motor 2, a clutch 3. The planetary reduction mechanism 4 is composed of an angle sensor 5, wherein the output shaft of the booster motor 2 is connected to the input shaft 6 of the planetary reduction mechanism 4 through the clutch 3, and the output shaft 7 of the planetary reduction mechanism 4 is connected through a coupling (such as flower key) is connected with the rotating shaft on the brake handle 1 of the manual parking brake system. The planetary reduction mechanism 4 also passes through the shaft of the parking brake handle 1 and is fixedly connected with the angle sensor 5 . Both the booster motor 2 and the angle sensor 5 are electrically connected to the ECU.

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Abstract

The invention discloses an automobile parking brake electric booster suitable for a manual parking brake system provided with a brake handle, which mainly consists of a booster motor, a clutch, a planetary reduction mechanism, an angle sensor, and a The set angle is composed of the electronic control unit for the second set angle, in which the output shaft of the booster motor is connected with the input shaft of the planetary reduction mechanism through a clutch, and the output shaft of the planetary reduction mechanism is connected with the manual parking brake through a coupling The rotating shaft on the brake handle of the system is connected, and the planetary reduction mechanism is also fixedly connected with an angle sensor used to detect the rotation angle of the handle, and the booster motor and the angle sensor are electrically connected with the electronic control unit. This mechanism has a simple structure and can provide power assistance for the driver's parking brake.

Description

technical field [0001] The invention relates to an automobile parking brake device, in particular to an automobile parking brake electric booster device which has a simple structure and can provide power assistance for the driver's parking brake. Background technique [0002] At present, what the parking brake system of existing car adopted is manual parking brake joystick. When parking brake, pull up the joystick, the joystick drives the cable system, and the cable system makes the disc (or drum) brake of the rear wheel lock the tire, thereby realizing the parking brake function. Specifically, please refer to the CN89216395 patent of China. However, the joystick of this structure has certain requirements on the driver's hand strength. If the driver's strength is relatively small (such as a female driver), it is possible that the joystick cannot be pulled in place due to insufficient strength, resulting in failure to effectively reach the parking position. The braking effe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T13/74
Inventor 胡伟王国宝宋佑川陈勇武
Owner BYD CO LTD
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