The invention provides a battery management system of an electric power-assisted bicycle, an electric quantity early warning method and a bicycle, the battery management system comprises a battery, a voltage division circuit, a control unit and an electric quantity warning circuit, the positive electrode of the battery is connected with one end of the voltage division circuit, and the other end of the voltage division circuit is grounded; a voltage division point of the voltage division circuit is connected with a first input end of the control unit, a negative electrode of the battery is grounded, and a first output end of the control unit is connected with an input end of the electric quantity alarm circuit, so that the electric quantity alarm circuit sends an alarm signal when an electric quantity parameter of the battery is lower than a preset electric quantity threshold value. Therefore, the low-power state of the battery can be monitored and early warned, and the user experience is improved.
本申请提供了一种电助力自行车的电池管理系统、电量预警方法和自行车,其中,电池管理系统包括:电池、分压电路、控制单元、电量告警电路,电池的正极连接分压电路的一端,分压电路的另一端接地,分压电路的分压点连接控制单元的第一输入端,电池的负极接地,控制单元的第一输出端和电量告警电路的输入端连接,以使电量告警电路在电池的电量参数低于预设电量阈值时,发出告警信号。从而能够对电池低电量状态进行监控和预警,提升了用户体验。
Battery management system of electric power-assisted bicycle, electric quantity early warning method and bicycle
电助力自行车的电池管理系统、电量预警方法和自行车
2023-11-14
Patent
Electronic Resource
Chinese
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