The invention provides an insulation fault positioning system and method, electronic equipment and a vehicle, in the insulation fault positioning system, a whole vehicle control module is connected with a high-voltage power distribution module and an insulation monitoring module, and the high-voltage power distribution module comprises a cathode relay and at least one anode relay; the cathode relay is connected with the cathode of each electric appliance in the vehicle high-voltage system, and the whole vehicle control module controls different positions of a high-voltage loop in the high-voltage system to be communicated based on the on-off of the target switch, namely the anode and cathode relay and the enabling switch of the electric appliance after the high-voltage system has an insulation fault. And the occurrence position of the insulation fault is determined based on the insulation resistance values monitored by the insulation monitoring module when different positions of the high-voltage loop are communicated, and the occurrence position of the insulation fault can be determined based on the monitored insulation resistance values when the different positions of the high-voltage loop are communicated under the condition that electric appliances share one negative relay in the high-voltage system. And the insulation fault can be positioned with low cost.
本申请提供了一种绝缘故障定位系统、方法、电子设备及车辆,绝缘故障定位系统中,整车控制模块分别与高压配电模块、绝缘监测模块连接,高压配电模块包括负极继电器与至少一个正极继电器,负极继电器分别与车辆高压系统中各用电器的负极连接,整车控制模块在高压系统发生绝缘故障后,基于目标开关即正负极继电器与用电器的使能开关的开闭,控制高压系统中高压回路的不同位置处连通,并基于绝缘监测模块监测到的高压回路的不同位置连通时的绝缘阻值,确定绝缘故障的发生位置,在高压系统中用电器共用一个负极继电器的情况下,可基于监测到的高压回路的不同位置连通时的绝缘阻值,确定绝缘故障的发生位置,以较低成本实现对绝缘故障的定位。
Insulation fault positioning system and method, electronic equipment and vehicle
绝缘故障定位系统、方法、电子设备及车辆
21.06.2024
Patent
Elektronische Ressource
Chinesisch
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