The invention discloses a satellite-borne auxiliary power supply circuit with a self-recovery power supply function. The satellite-borne auxiliary power supply circuit comprises a current-limiting protection circuit, a switch control circuit and an output isolation circuit, one end of the current-limiting protection circuit is connected with the anode of the seventh single body of the lithium ion storage battery pack, and the other end is connected with the switch control circuit; one end of the switch control circuit is connected with the current-limiting protection circuit, and the other end is connected with the output isolation circuit, and receives direct instruction control of the comprehensive electronic control unit to realize connection and disconnection of the auxiliary power supply circuit; the output isolation circuit comprises an auxiliary power supply branch circuit and a main power supply branch circuit which are respectively used for supplying power to corresponding functional circuits when the platform bus power supply falls off abnormally and the platform bus power supply is normal. If a 30V platform bus drops due to unexpected faults of a whole-satellite power supply system, a stable working power supply can be provided for related functional circuits of the power supply controller, and the circuit is simple and ingenious and has the advantages of high reliability, high practicability, simplicity, flexibility, small size, light weight and the like.
本发明公开一种自恢复供电的星载辅助电源电路,包括:限流保护电路、开关控制电路、输出隔离电路;限流保护电路一端接锂离子蓄电池组第7节单体的正极,一端连接开关控制电路;开关控制电路一端连接限流保护电路,另一端连接输出隔离电路,同时接受综合电子控制单元的直接指令控制,实现辅助电源电路的接通和断开;输出隔离电路包括辅助供电支路和主供电支路,分别用于在平台母线供电因异常跌落和平台母线供电正常时给对应的功能电路供电。若出现整星供电系统非预期故障造成的30V平台母线跌落,可为电源控制器相关功能电路提供稳定工作电源,电路简单巧妙,具有可靠性高、实用性高、简单妙巧、体积小、重量轻等优点。
Satellite-borne auxiliary power supply circuit with self-recovery power supply
一种自恢复供电的星载辅助电源电路
2024-11-26
Patent
Electronic Resource
Chinese
Power supply self-recovery short-circuit protection circuit
European Patent Office | 2023
|AUXILIARY POWER SUPPLY DEVICE AND AUXILIARY POWER SUPPLY CONTROL SYSTEM
European Patent Office | 2018
|Drain electrode auxiliary power supply generation circuit
European Patent Office | 2023
|