The invention provides a satellite-borne initiating explosive device detonation hierarchical control circuit based on an H-bridge assembly. The power supply input end of a power supply control stage is connected with a direct-current power supply; the control input end of the power supply control level is connected with a power supply control instruction; the sensing output end of the power supply control stage outputs a power supply line telemetry signal; the power supply input end of the detonation control stage is connected with the driving output end of the power supply control stage; the control input end of the detonation control stage is connected with a detonation control instruction; the sensing output end of the detonation control stage outputs a detonation line telemetry signal; an igniter wire of the initiating explosive device is connected with the driving output end of the detonation control stage. According to the invention, hierarchical control of power supply and detonation of detonation of the initiating explosive device and two-parallel and two-series design of control circuits are realized, and dual-switch design of a main line and a return line of each control circuit, two-series and two-parallel design of control instructions of each stage and temperature and current remote measurement design of each control circuit are realized. The device has the advantages of high functional density, high reliability, high safety for preventing mistaken detonation and strong detonation current output capability.
本发明提供了一种基于H桥组件的星载火工品起爆分级控制电路,供电控制级的供电输入端连接直流电源;供电控制级的控制输入端连接供电控制指令;供电控制级的传感输出端输出供电线路遥测信号;起爆控制级的供电输入端连接供电控制级的驱动输出端;起爆控制级的控制输入端连接起爆控制指令;起爆控制级的传感输出端输出起爆线路遥测信号;火工品的桥丝连接起爆控制级的驱动输出端。本发明实现了火工品起爆的“供电+起爆”分级控制,以及控制线路的两并两串设计,实现了各控制线路正线与回线的双开关设计、各级控制指令的两串两并设计、各控制线路的温度和电流遥测设计,具有高功能密度、高可靠性、防误起爆的高可安性和强大的起爆电流输出能力。
Satellite-borne initiating explosive device detonation hierarchical control circuit based on H-bridge assembly
一种基于H桥组件的星载火工品起爆分级控制电路
04.11.2022
Patent
Elektronische Ressource
Chinesisch
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