The invention discloses an electric vehicle motor controller with a digital bus, and a digital electric vehicle. The electric vehicle motor controller with the digital bus comprises a shell and a control circuit board, the shell comprises an upper cover and a base, a containing cavity is formed between the upper cover and the base, and the control circuit board is arranged in the containing cavityand dissipates heat through the shell, wherein the control circuit board is provided with a bus communication circuit, a motor control circuit and a motor monitoring circuit, and the bus communication circuit is electrically connected with the motor control circuit and the motor monitoring circuit respectively; and the bus communication circuit is used for receiving a motor control digital signaltransmitted by the digital bus and transmitting the motor control digital signal to the motor control circuit to generate a motor control analog signal for controlling the operation of the motor, isused for receiving a motor state digital signal transmitted by the motor monitoring circuit and transmitting the motor state digital signal to the digital bus, and is connected with the digital bus through a bus connecting wire, and the bus connecting wire is at least provided with two signal wires and two power wires. Digital control over the electric vehicle motor is achieved, and the cable structure of the motor controller is simplified.
本发明公开了一种具有数字总线的电动车用电机控制器及数字化电动车,包括壳体和控制线路板,所述壳体包括上盖和底座,上盖和底座之间形成容置腔,控制线路板被配置在该容置腔内且通过壳体散热;其中所述控制线路板具有总线通讯电路、电机控制电路和电机监测电路,总线通讯电路分别和电机控制电路、电机监测电路电连接;总线通讯电路用于接收由数字总线传送的电机控制数字信号并将其传送给电机控制电路以产生控制电机运行的电机控制模拟信号,且接收由电机监测电路传送的电机状态数字信号并将其传送给数字总线,其通过总线连接线连接数字总线,该总线连接线至少具有2个信号线和2个电源线。本方案实现电动车电机的数字化控制,简化电机控制器的线缆结构。
Electric vehicle motor controller with digital bus, and digital electric vehicle
一种具有数字总线的电动车用电机控制器及数字化电动车
2020-06-19
Patent
Electronic Resource
Chinese
Power system for electric vehicle, electric vehicle and motor controller
European Patent Office | 2018
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