Vacuum power-assisted braking system of electric automobile and control method thereof
A technology of vacuum boosting and braking system, applied in the direction of brakes, braking transmissions, vehicle parts, etc., can solve the problems of poor braking boosting effect, waste of energy, inability to accurately judge the stopping conditions of the vacuum pump 203, etc., to prevent frequent The effect of starting and stopping, prolonging the stopping time, and saving energy
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[0030] Please refer to figure 2 with image 3 , the vacuum booster brake system 100 of the electric vehicle of the preferred embodiment of the present invention is used in conjunction with the ignition device 90 of the electric vehicle, which includes a vacuum pump 10, an air storage tank 20, a vacuum booster 30, a foot brake 40, and a foot brake switch 42 , a vacuum pressure detection device 50 and a vehicle control unit (Vehicle Control Unit, VCU) 70 . The ignition device 90 is connected with an ignition switch 92 ( image 3 ) is connected, and the ignition switch 92 is used to judge whether the ignition device 90 is ignited. The vacuum pump 10, the air storage tank 20, the vacuum booster 30 and the foot brake 40 are connected in sequence. The foot brake 40 is connected with a foot brake switch 42, and the foot brake switch 42 is used to judge whether the foot brake 40 is stepped on. The vehicle controller 70 is electrically connected with the vacuum pump 10 , the vacuu...
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