The invention discloses a high-voltage interlocking detection circuit and a vehicle wherein the high-voltage interlocking detection circuit comprises: a first detection branch comprising at least one first interlocking switch and suitable for connecting a power electronic integration module, the first resistance values of the first detection branch being different when each first interlocking switch is disconnected, and the first resistance values of the second detection branch being different when each first interlocking switch is disconnected; determining fault high-voltage equipment in the power electronic integration module according to the first resistance value; the second detection branch comprises at least one second interlocking switch and is suitable for being connected with the battery system, and the second detection branch is configured to determine whether the battery system breaks down or not according to the electric signal of the second detection branch; and the third detection branch comprises at least one third interlocking switch, each third interlocking switch is suitable for being connected with a high-voltage load, and under the condition that each third interlocking switch is disconnected, the second resistance values of the third detection branch are different, so that the fault high-voltage load is determined according to the second resistance values. The detection circuit realizes accurate positioning of an interlocking fault position.
本发明公开了一种高压互锁检测电路及车辆,其中,高压互锁检测电路包括:第一检测支路,包括至少一个第一互锁开关,适于连接电力电子集成模块,且在每个第一互锁开关断开的情况下,第一检测支路的第一电阻值不同,以根据第一电阻值确定电力电子集成模块中的故障高压设备;第二检测支路,包括至少一个第二互锁开关,适于连接电池系统,第二检测支路被配置为根据第二检测支路的电信号确定电池系统是否发生故障;第三检测支路,包括至少一个第三互锁开关,每个第三互锁开关适于连接一个高压负载,且在每个第三互锁开关断开的情况下,第三检测支路的第二电阻值不同,以根据第二电阻值确定故障高压负载。该检测电路实现了精准定位互锁故障位置。
High-voltage interlocking detection circuit and vehicle
高压互锁检测电路及车辆
2025-05-30
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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