The invention provides a vehicle driving circuit, an insulation fault detection method, an insulation fault detection device, insulation fault detection equipment and a medium, and the circuit comprises a main loop which comprises a power battery, a positive relay, a vehicle load and a negative relay which are sequentially connected in series; the first branch circuit is connected with the positive relay in parallel and comprises a pre-charging resistor and a pre-charging relay which are sequentially connected in series; the second branch circuit is connected with the power battery in parallel and comprises a first relay, a first divider resistor, a second divider resistor and a second relay which are sequentially connected in series; the third branch circuit is connected with the power battery in parallel and comprises a first insulation resistor and a second insulation resistor which are sequentially connected in series; and one end of the voltage detection circuit is connected between the vehicle load and the cathode relay, and the other end of the voltage detection circuit is connected between the pre-charging resistor and the pre-charging relay. According to the embodiment of the invention, the specific position of the vehicle insulation fault can be determined, and the electrical safety and maintenance efficiency of the vehicle are improved.
本发明提供了一种车辆驱动电路、绝缘故障检测方法、装置、设备和介质,其中,该电路包括:主回路,主回路包括依次串联的动力电池、正极继电器、车辆负载和负极继电器;与正极继电器并联的第一支路,第一支路包括依次串联的预充电阻和预充继电器;与动力电池并联的第二支路,第二支路包括依次串联的第一继电器、第一分压电阻、第二分压电阻和第二继电器;与动力电池并联的第三支路,第三支路包括依次串联的第一绝缘电阻和第二绝缘电阻;电压检测电路,电压检测电路的一端连接在车辆负载和负极继电器之间,另一端连接在预充电阻和预充继电器之间。采用本发明实施例可以确定的车辆绝缘故障的具体位置,提高车辆的电气安全性和维护效率。
Vehicle driving circuit, insulation fault detection method, device, equipment and medium
车辆驱动电路、绝缘故障检测方法、装置、设备和介质
2024-09-06
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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