Driven-by-wire brake system for electric automobile
A technology of brake-by-wire and electric vehicles, applied in the direction of brakes, brake components, brake transmission devices, etc., can solve the problems that the motor speed cannot reach the rated speed in an instant, the system response lags, and the braking safety is difficult to guarantee. The effect of reducing speed and power requirements, improving control accuracy, and improving braking safety
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[0012] The present invention will be described in detail below with reference to the drawings and embodiments.
[0013] Such as figure 1 As shown, the present invention includes a motor 1, a planetary gear train 2, a threaded screw pair 3, a master cylinder 4, a braking mechanism 5, a pedal execution and simulation mechanism 6, an accumulator 7, an oil A pot 8 and a controller 9.
[0014] The planetary gear train 2 includes a planet carrier 21 that is firmly connected to the front end housing of the motor 1, a plurality of planet wheels 22 that are rotatably connected to the planet carrier 21, and a planetary gear that is firmly connected to the output shaft of the motor 1 and is connected to each planetary wheel. 22 meshing sun gear 23 and a ring gear 24 meshing with each planetary gear 22.
[0015] The threaded screw 3 includes a screw 31 and a nut 32 connected to the screw 31 by threads, and the nut 32 is coaxially fastened and connected to the front end of the ring gear 24.
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