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Automobile emergency auxiliary braking device and method

A technology for auxiliary braking and automobiles, applied in the direction of brake transmission, brakes, braking components, etc., can solve the problems of high cost and complex structure, and achieve the effect of low cost, good heat dissipation and favorable heat dissipation.

Active Publication Date: 2017-06-13
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problem of high cost and complex structure in the existing auxiliary braking device during driving of automobiles, and proposes an emergency auxiliary braking device and method for automobiles, which has simple structure, low cost and easy operation. reliable

Method used

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  • Automobile emergency auxiliary braking device and method

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Embodiment Construction

[0036] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0037] like figure 1 As shown, the present invention discloses an emergency auxiliary braking device for automobiles, including an electronic control unit 1, a wheel speed sensor, a brake pedal displacement sensor and an auxiliary deceleration module 2;

[0038] The wheel speed sensor is arranged on a braked wheel of the car, and is used to sense the wheel speed of the braked wheel and transmit it to the electronic control unit 1;

[0039] The brake pedal displacement sensor is arranged on the brake pedal of the car, and is used to sense the travel of the brake pedal of the car and transmit it to the electronic control unit 1;

[0040] The auxiliary deceleration module 2 includes a driving gear 3, a main shaft 4, a driving gear 5, an auxiliary shaft 6, an auxiliary driven gear 7, a follower gear 8, a counter gear 9, a friction block 10, a friction...

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Abstract

The invention discloses an automobile emergency auxiliary braking device and an automobile emergency auxiliary braking method. The automobile emergency auxiliary braking device comprises an electronic control unit, a wheel speed sensor, a braking pedal displacement sensor and an auxiliary speed reduction module. The electronic control unit monitors a wheel speed signal of an automobile and a displacement signal of a braking pedal in real time in work, if the conditions that a driver depresses the braking pedal and the wheel speed does not change are detected, the fact that a service braking system of the automobile loses efficacy is confirmed, the electronic control unit sends a power-on instruction to an electromagnetic chuck, the braking and the deceleration are realized through the friction between a friction disc and a friction block on a counter gear; when the automobile runs normally and the braking of the service braking system works normally, the electromagnetic chuck is powered off, and the normal running of the automobile is not interfered. The automobile emergency auxiliary braking device is simple in structure, easy in installation, good in heat dissipation performance and reliable in work, and the braking process is guaranteed to be stable when the service braking of the automobile running at a high speed loses efficacy.

Description

technical field [0001] The invention relates to the active safety field of automobile driving, in particular to an automobile emergency auxiliary braking device and method when the automobile driving braking system fails. Background technique [0002] During the driving process of the car, if the vehicle is seriously overloaded or the brake disc is in the braking state for a long time and the brake system is not normally maintained, the brake function will completely fail when the car is braking. Especially for heavy-duty passenger cars and other vehicles, when driving on mountainous roads in the west and southwest of my country, frequent braking is required, which is prone to brake failure, causing serious losses to personal safety and property. [0003] In order to solve the impact of the above-mentioned auxiliary braking device problem, based on the existing domestic research foundation, Chen Liming invented "a kind of power consumption braking type automobile retarder" (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T1/06B60T13/74
CPCB60T13/748B60T1/062Y02T10/72
Inventor 金智林陈国钰严正华赵万忠周乾王超
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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