Vacuum assist system and method for electric vehicle

A vacuum-assisted, electric vehicle technology, applied in braking safety systems, brakes, vehicle components, etc., can solve the problems of insufficient vacuum, increasing the danger of passengers, drivers and passengers, and the inability to use the brake control system normally. Achieving security solutions and ensuring the effect of security

Active Publication Date: 2016-06-08
HUNAN CSR TIMES ELECTRIC VEHICLE
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AI Technical Summary

Problems solved by technology

During the running of the pure electric vehicle, for example, if a fault occurs between the vacuum pump and the vacuum air storage tank, the vacuum degree in the vacuum air storage tank will be insufficient, resulting in the failure of the brake control system to work normally and increasing the number of rides. Dangers to persons, including drivers and passengers

Method used

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  • Vacuum assist system and method for electric vehicle

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with accompanying drawing.

[0019] figure 1 Shown is the vacuum booster system 50 of the electric vehicle of the present invention, which can be used for the auxiliary braking device 20 to brake the electric vehicle. The vacuum booster system 50 includes a booster 3 connected to the braking device 20 , and an air storage element 2 connected to the booster 3 . The gas storage 2 can also be called a vacuum gas storage. The air storage device 2 is preferably a vacuum air storage tank or a vacuum air storage tank. A sensor 7 is arranged on the gas reservoir 2 . Since the sensor 7 is used to detect the vacuum degree in the gas storage element 2, the sensor 7 is preferably a vacuum degree sensor.

[0020] In this embodiment, the vacuum booster system 50 also includes a vacuum pump 1 . The vacuum pump 1 and the gas storage device 2 communicate with each other, thereby facilitating the adjustment of the ...

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Abstract

The invention provides a vacuum assist system and a method thereof for an electric vehicle. Wherein, the vacuum booster system includes: a booster connected to the braking device; an air storage part connected with the booster, on which a sensor for detecting vacuum degree is arranged; a gas storage part connected with the booster, in The gas storage part is provided with a sensor for detecting the vacuum degree; a vacuum pump connected to the gas storage part for adjusting the vacuum degree in the gas storage part; and a driving motor capable of driving an electric vehicle. Wherein, the drive motor is set to slow down or stop the electric vehicle when the vacuum detected by the sensor is less than the alarm value. The vacuum booster system of the electric vehicle of the present invention can not only assist the brake device to brake the electric vehicle, but also can effectively reduce the driving speed or stop the vehicle when the vacuum booster system breaks down or is in a dangerous situation, thus ensuring the safety of the passengers. safety.

Description

technical field [0001] The invention relates to a vacuum booster system and a method thereof for an electric vehicle, which can be used for an auxiliary braking device to brake the electric vehicle. Background technique [0002] As we all know, electric vehicles generally use a vacuum booster system to assist the braking device to brake the electric vehicle, so that the driver's pedal force for operating the brake pedal can be greatly reduced, thereby improving the driver's comfort. [0003] Chinese patent CN102673551A discloses a pure electric vehicle electric vacuum booster brake control system, which uses a pressure sensor to detect whether the vacuum degree in the vacuum air storage tank is sufficient. When the vacuum degree in the vacuum air storage tank is insufficient, the vacuum booster brake controller will turn on the vacuum pump to replenish the vacuum degree in the vacuum air storage tank, thereby ensuring the safety of the brake control system. During the runni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T13/52B60T13/66B60T17/22
Inventor 朱长明李红朋毛懿坪王小磊吕永宾
Owner HUNAN CSR TIMES ELECTRIC VEHICLE
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