The invention discloses a power distribution control hardware interlocking circuit, and relates to the technical field of power distribution control hardware interlocking, the power distribution control hardware interlocking circuit comprises a decoder circuit U1, a drive circuit U2, a logic negation circuit composed of triodes and four relay circuits, and the situation that direct current voltage output by a rectifier module is switched to multiple sections of buses at the same time is effectively avoided. The problem that only software is used for interlocking protection in the prior art is solved, it is ensured that an electric automobile and equipment cannot be damaged due to charging, and system reliability is improved. Interlocking of multiple sections of buses connected with the same rectification module is achieved through the relay, independent output of multiple direct-current loops of the high-power direct-current charging pile is achieved, the reliability of controlling power switching of the direct-current charging pile is greatly improved, the phenomenon that multiple output direct-current voltages are switched to the same section of direct-current bus at the same time is effectively avoided, and the power switching reliability of the high-power direct-current charging pile is improved. It is ensured that the electric automobile or equipment cannot be damaged due to charging, and the charging safety is improved.
本发明公开了一种功率分配控制硬件互锁电路,涉及功率分配控制硬件互锁技术领域,包含解码器电路U1、驱动电路U2、三极管组成的逻辑取反电路和4路继电器电路,其有效避免整流模块输出的直流电压同时投切给多段母线的情况发生,解决现有只有软件进行互锁保护的问题,确保电动汽车及设备不会因充电而损坏,提高系统可靠性;本发明通过继电器实现和同一整流模块连接的多段母线的互锁,实现了大功率直流充电桩多路直流回路的独立输出,使得控制直流充电桩功率切换的可靠性大大提高,有效避免多路输出直流电压同时投切到同一段直流母线的现象发生,确保电动汽车或设备不会因充电而损坏,提高充电的安全性。
Power distribution control hardware interlocking circuit
一种功率分配控制硬件互锁电路
2023-03-21
Patent
Elektronische Ressource
Chinesisch
Charging pile remote control interlocking control circuit
Europäisches Patentamt | 2021
|Engineering Index Backfile | 1918
Europäisches Patentamt | 2023
|Control circuit for interlocking of elevator contactors
Europäisches Patentamt | 2015
|