The invention discloses a new energy automobile high-voltage connection interlocking detection and diagnosis circuit, which relates to the technical field of new energy automobile interlocking detection, and comprises a high-voltage interlocking connector, a high-voltage interlocking circuit module 1 and a high-voltage interlocking circuit module 2, the high-voltage interlocking connector is in circuit connection with the high-voltage interlocking circuit module 1 and the high-voltage interlocking circuit module 2; by designing the high-voltage interlocking circuit module 1 and the high-voltage interlocking circuit module 2, the double-protection mechanism function of optimal design of the double-high-voltage interlocking circuit is realized, the high-voltage connection state is effectively detected and controlled, the safety and the reliability of the system are enhanced, and by providing the protection functions of overvoltage, overcurrent and short circuit, the reliability of the system is improved. A differential operational amplifier and a comparator element are used for accurately monitoring and protecting voltage and current, and the failure condition of elements in the circuit can be detected and reported in time by designing failure diagnosis logic of the elements of the high-voltage interlocking circuit.
本发明公开了一种新能源汽车高压连接互锁检测和诊断电路,涉及新能源汽车互锁检测技术领域,包括高压互锁连接器、高压互锁电路1模块和高压互锁电路2模块,且所述高压互锁连接器分别与所述高压互锁电路1模块和所述高压互锁电路2模块线路连接;本发明通过设计高压互锁电路1模块和高压互锁电路2模块,实现了双高压互锁电路的优化设计的双重保护机制功能,有效地检测和控制高压连接状态,增强了系统的安全性和可靠性,通过提供了过压、过流、短路的保护功能,利用差分运算放大器、比较器元件对电压和电流进行精确监控和保护,且通过设计了高压互锁电路元件失效诊断逻辑,能够及时检测并报告电路中元件的失效情况。
High-voltage connection interlocking detection and diagnosis circuit for new energy automobile
一种新能源汽车高压连接互锁检测和诊断电路
2024-10-11
Patent
Electronic Resource
Chinese
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