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Emergency brake device for automobile brake failure and control method thereof

A technology of automobile braking and emergency braking, which is applied in the direction of braking control systems, brakes, braking components, etc., can solve the problems of unfavorable promotion and complex structure, and achieve the advantages of improved driving stability, reliable operation and obvious braking effect Effect

Pending Publication Date: 2017-06-20
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this system belongs to the pneumatic brake system and has a complex structure, which is not conducive to popularization.

Method used

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  • Emergency brake device for automobile brake failure and control method thereof
  • Emergency brake device for automobile brake failure and control method thereof

Examples

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Effect test

Embodiment Construction

[0021] The present invention will be further explained below in conjunction with the accompanying drawings.

[0022] Such as figure 1 As shown, an emergency braking device for a vehicle with brake failure is fixed on the chassis of the vehicle, including an electronic control unit 1 , an energy recovery braking module 2 , a friction braking module 3 , and a braking force input gear 4 . The braking force input gear 4 is meshed with the driven gear of the main reducer of the car, and it is enough to select a suitable gear meshing angle. In actual installation, it is generally selected to be symmetrically meshed with the driving gear of the main reducer in the up and down or left and right directions, according to the actual space of the car chassis Decide. The energy recovery braking module 2 includes a storage battery 6, an electric control switch 7, and a generator 8. The braking force input gear 4 is connected to the input shaft of the generator 8 through a transmission shaf...

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PUM

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Abstract

The invention discloses an emergency brake device for an automobile brake failure and a control method thereof. The emergency brake device for the automobile brake failure comprises an electronic control unit, a friction braking module, and an energy recovery braking module. Under the condition of the total automobile brake failure, the electronic control unit of the device can collect travel speed signals of the automobile, and the friction braking module can frictionally brake a driven shaft of a braking force input gear engaged with a driven gear of a final drive through a friction plate, thereby converting energy generated in the driving process of the automobile into thermal energy, and reducing the speed of the automobile; the energy recovery braking module takes use of the rotation of the driven shaft of the braking force input gear engaged with the driven gear of the final drive to recycle the energy, converts driving energy into electric energy, and reduces the driving speed. The emergency brake device for the automobile brake failure and the control method thereof is simple in structure, easy to mount, and reliable to operate; operation states can be automatically adjusted according to different driving speed, and the automobile can be guaranteed to apply the brake under the condition of the total brake failure, meanwhile, energy can be recycled till the automobile stops steadily.

Description

technical field [0001] The invention relates to the field of active safety of automobile running, in particular to an emergency braking device and method when the brakes of the automobile fail during driving. Background technique [0002] If the car encounters brake failure during driving, it will cause the car to lose control and cannot brake to stop, which is very dangerous. What's more serious is that if the car is driving fast or encounters a downhill road condition, the danger is self-evident, so it is necessary to fully consider the impact of the brake failure of the car during driving. [0003] In order to solve the impact of the above-mentioned braking problem, based on the existing domestic research foundation, Jiang Fuchuan of Kunming University of Science and Technology invented "a brake failure friction deceleration emergency device", which uses friction plates to perform friction deceleration. The structure of this device is simple and flexible. It is suitable ...

Claims

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Application Information

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IPC IPC(8): B60T1/06B60T17/22B60T8/17
CPCB60T8/17B60T17/22B60T1/062B60T2270/60B60T2270/406
Inventor 陈国钰金智林赵万忠严正华周乾王超
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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