The system comprises a gas-to-liquid brake loop, the gas-to-liquid brake loop comprises a first gas storage element, a first relay valve, a brake master cylinder and a hydraulic brake for braking a driving wheel, the first gas storage element, the first relay valve and the brake master cylinder are sequentially connected through a gas circuit, and the first gas storage element is connected with a compressed gas source; the brake master cylinder is connected with the hydraulic brake, and the driving wheel is driven by the hub motor; the air pressure braking loop comprises a second air storage element, a second relay valve and an air pressure brake of a non-driving wheel which are sequentially connected through an air path; the electric control brake master valve is connected with a brake pedal for controlling the connection or disconnection of the pneumatic-to-hydraulic brake loop and the pneumatic brake loop, the brake pedal is electrically connected with the vehicle control unit, the vehicle control unit is electrically connected with the hub motor, and the brake pedal controls the hub motor to conduct electric braking through the vehicle control unit. Due to the fact that the hydraulic brake is small in size, the hydraulic brake can be conveniently placed in the driving wheel to brake the driving wheel driven by the hub motor.
本申请公开了一种适应电驱底盘的气电液混合制动系统及方法,系统包括:气转液制动回路,包括通过气路依次连接的第一储气元件、第一继动阀和制动总泵以及对驱动轮进行制动的液压制动器,第一储气元件连接压缩气源,制动总泵和液压制动器相连接,驱动轮通过轮毂电机进行驱动;气压制动回路,包括通过气路依次连接的第二储气元件、第二继动阀和非驱动轮的气压制动器;电控制动总阀,连接控制气转液制动回路和气压制动回路的连通或断开的制动踏板,制动踏板电连接整车控制器,整车控制器电连接轮毂电机,制动踏板通过整车控制器控制轮毂电机进行电制动。由于液压制动器体积较小,便于放置在驱动轮中,对轮毂电机驱动的驱动轮进行制动。
Pneumatic-electro-hydraulic hybrid braking system and method suitable for electric drive chassis
一种适应电驱底盘的气电液混合制动系统及方法
2023-11-17
Patent
Elektronische Ressource
Chinesisch
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