The embodiment of the invention provides a motor controller and a motor control system for an electric bicycle. The motor controller comprises: a first interface circuit comprising first and second input terminals, the first input terminal being adapted to receive a first supply voltage and the second input terminal being adapted to receive a second supply voltage; a power output circuit connected to the first input terminal and capable of using the first power supply voltage as a power supply voltage of a motor of the electric bicycle; the input end of the anti-reverse circuit is connected to the first input terminal and the second input terminal, and the output end of the anti-reverse circuit is connected to the common node; the input end of the first DC-DC converter is connected to the common node, the output end of the first DC-DC converter is connected to the power output circuit, and the first DC-DC converter is suitable for providing control voltage lower than the first power supply voltage for the power output circuit; the input end of the second DC-DC converter is connected to the common node, the output end of the second DC-DC converter provides working voltage for supplying power to a central control system of the electric bicycle, and the working voltage is lower than the first power supply voltage and the second power supply voltage.
本公开的实施例提供了用于电动自行车的电机控制器和电机控制系统。该电机控制器包括:第一接口电路,包括第一和第二输入端子,第一输入端子适于接收第一电源电压,第二输入端子适于接收第二电源电压;功率输出电路,连接至第一输入端子,并且能够将第一电源电压用作电动自行车的电机的供电电压;防反电路,输入端连接至第一输入端子和第二输入端子,并且输出端连接至公共节点;第一DC‑DC转换器,输入端连接至公共节点,输出端连接至功率输出电路,并且适于向功率输出电路提供低于第一电源电压的控制电压;第二DC‑DC转换器,输入端连接至公共节点,输出端提供用于对电动自行车的中控系统进行供电的工作电压,工作电压低于第一电源电压以及第二电源电压。
Motor controller and motor control system for electric bicycle
用于电动自行车的电机控制器和电机控制系统
2025-05-20
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |