The invention discloses a high-voltage interlocking detection system and method and an electric vehicle. The system is applied to the electric vehicle and comprises high-voltage components, a high-voltage connector, high-voltage interlocking detection modules and a vehicle control unit, wherein the high-voltage interlocking detection modules are in one-to-one correspondence with the high-voltage components; the high-voltage component comprises a high-voltage interlocking detection input port and a high-voltage interlocking detection output port; the high-voltage connector is used for electrically connecting the two high-voltage components; the high-voltage interlocking detection module comprises a low-voltage signal source and a detection unit, the low-voltage signal source is electricallyconnected with the high-voltage interlocking detection input port, the input end of the detection unit is electrically connected with the high-voltage interlocking detection output port, and the output end of the detection unit is electrically connected with the vehicle control unit; the detection unit is used for detecting whether the connection of the corresponding high-voltage component is normal or not and generating a corresponding detection result; the vehicle control unit is used for judging whether the electric vehicle is powered off or not according to the detection result. Accordingto the system, fault points of high-voltage interlocking can be rapidly checked, and the maintenance rate is improved.
本发明公开了一种高压互锁检测系统、方法和电动车。该系统应用于电动车,包括:高压部件、高压接插件、高压互锁检测模块和整车控制单元;高压互锁检测模块与高压部件一一对应;高压部件包括高压互锁检测输入端口和高压互锁检测输出端口;高压接插件用于电连接两个高压部件;高压互锁检测模块包括低压信号源和检测单元,低压信号源与高压互锁检测输入端口电连接,检测单元的输入端与高压互锁检测输出端口电连接,检测单元的输出端与所述整车控制单元电连接;检测单元用于检测对应的高压部件的连接是否正常并产生相应的检测结果;整车控制单元用于根据检测结果判断电动车是否下电。该系统能够快速排查高压互锁的故障点,提高维修率。
High-voltage interlocking detection system and method and electric vehicle
一种高压互锁检测系统、方法和电动车
2020-07-31
Patent
Electronic Resource
Chinese
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