The invention discloses an intelligent power switch module with a communication bus, which comprises an MCU module, an isolation power supply, a multi-path power switch circuit, an operational amplifier circuit and a self-checking circuit, and is characterized in that the input end of the MCU module is connected with the operational amplifier circuit, and the ignition control output end of the MCU module is connected with the ignition control input end of the multi-path power switch circuit; the output end of the multi-path power switch circuit is connected with the ignition head, the multi-path power switch circuit and the operational amplifier circuit are electrically connected with the self-checking circuit, and the output end of the isolation power supply is connected with the operational amplifier circuit and the self-checking circuit. According to the ignition power switch applied to the aircraft, control over a multi-path large-current power switch is achieved, the triode amplification circuit and the MOS tube switch control circuit are adopted, driving current is amplified, and the overload capacity is high; and a self-checking circuit is arranged to detect the short-circuit fault of the power switch, so that the safety and reliability are ensured.

    本申请公开了一种具备通讯总线的智能功率开关模块,包括MCU模块、隔离电源、多路功率开关电路、运算放大电路和自检电路,所述MCU模块输入端连接运算放大电路,所述MCU模块点火控制输出端连接多路功率开关电路点火控制输入端,所述多路功率开关电路输出端连接点火头,所述多路功率开关电路、运算放大电路均与自检电路电连接,所述隔离电源输出端连接运算放大电路、自检电路。本申请为应用于飞行器的点火功率开关,实现了多路大电流功率开关的控制,采用了三极管放大电路和MOS管开关控制电路,放大了驱动电流,过负载能力强;设置自检电路检测功率开关短路故障,保证了安全性和可靠性。


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    Titel :

    Intelligent power switch module with communication bus


    Weitere Titelangaben:

    一种具备通讯总线的智能功率开关模块


    Beteiligte:
    SHENG TIANWEN (Autor:in) / WANG YAN (Autor:in) / ZHOU HAIYANG (Autor:in) / WANG GEN (Autor:in) / LI YINGXUE (Autor:in)

    Erscheinungsdatum :

    12.01.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H03K PULSE TECHNIQUE , Impulstechnik / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / H03F Verstärker , AMPLIFIERS



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