The invention discloses a battery charging and discharging circuit and a vehicle. The battery charging and discharging circuit comprises a battery module, a charging port, a battery management module and a power supply control module, a first end of the battery management module is electrically connected with a positive electrode of the battery module, a second end of the battery management module is connected with an output end of the power supply control module, an acquisition end of the battery management module is electrically connected with a negative electrode of the battery module, and a first input end of the power supply control module is connected with the negative electrode of the battery module. The second input end of the power supply control module is connected with the charging port, the control end of the power supply control module is connected with the output end of the battery management module, and the battery management module is used for gating the output end and the first input end of the power supply control module according to the output voltage, collected by the collection end, of the battery module. Or the output end of the power supply control module is connected with the second input end. The battery charging and discharging circuit provided by the invention realizes the purpose of low-voltage charging of the battery module.
本发明公开了一种电池充放电电路及车辆。电池充放电电路包括:电池模组、充电端口、电池管理模块和供电控制模块;电池管理模块的第一端与电池模组的正极电连接,电池管理模块的第二端与供电控制模块的输出端连接,电池管理模块的采集端与电池模组的负极电连接,供电控制模块的第一输入端与电池模组的负极连接,供电控制模块的第二输入端与充电端口连接,供电控制模块的控制端与电池管理模块的输出端连接,电池管理模块用于根据采集端采集的电池模组的输出电压选通供电控制模块的输出端与第一输入端,或供电控制模块的输出端与第二输入端。本发明提供的电池充放电电路实现了电池模组低压充电的目的。
Battery charging and discharging circuit and vehicle
一种电池充放电电路及车辆
2023-09-08
Patent
Electronic Resource
Chinese
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