The invention provides a vehicle power supply circuit and a control method thereof, and belongs to the technical field of electronic circuits. The vehicle power supply circuit includes: a battery pack; one output end of the anode relay is electrically connected to the anode of the battery pack, and the other output end of the anode relay is electrically connected to a load; one output end of the cathode relay is electrically connected to the cathode of the battery pack, and the other output end of the cathode relay is electrically connected to the load; the output end of the multifunctional relay is connected with the output end of the anode relay in parallel; the detection resistor is connected in series with the multifunctional relay; and the battery management system is electrically connected with the input end of the positive pole relay, the input end of the negative pole relay, the input end of the multifunctional relay and the detection resistor. According to the vehicle power supply circuit and the control method thereof, the safety of the vehicle power supply circuit can be improved.
本发明提供一种车辆供电电路及其控制方法,属于电子电路技术领域。所述车辆供电电路包括:电池包;正极继电器,其一输出端电性连接于所述电池包的正极,所述正极继电器另一输出端电性连接于负载;负极继电器,其一输出端电性连接于所述电池包的负极,所述负极继电器另一输出端电性连接于所述负载;多功能继电器,其输出端与所述正极继电器的输出端并联;检测电阻,与所述多功能继电器串联;以及电池管理系统,电性连接于所述正极继电器的输入端、所述负极继电器的输入端和所述多功能继电器的输入端,以及所述检测电阻。通过本发明提供的一种车辆供电电路及其控制方法,可提高车辆供电电路的安全性。
Vehicle power supply circuit and control method thereof
一种车辆供电电路及其控制方法
2024-09-03
Patent
Electronic Resource
Chinese
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