The invention belongs to the technical field of circuit detection, and provides an automobile ignition and flameout dual-detection circuit, method and system, and the circuit comprises an automobile generator, an automobile storage battery, a unidirectional conduction tube, a filtering energy storage module, a voltage division module, an ignition detection module, and a flameout detection module.The input end of the voltage division module is connected with the positive electrode of the unidirectional conduction tube, and the voltage division module is used for balancing voltage drop and voltage division of the unidirectional conduction tube and outputting the divided voltage to the detection end of the ignition detection module and the detection end of the flameout detection module; theflameout detection module is used for comparing the voltage of the detection end with the voltage of the reference end and outputting a flameout detection signal to a controller; and the ignition detection module is used for comparing the voltage of the detection end with the voltage of the reference end and outputting an ignition detection signal to the controller. According to the embodiment ofthe invention, the problems of high detection branch circuit cost, large occupied space and incapability of performing automobile flameout detection are solved.

    本申请属于电路检测的技术领域,提供了一种汽车点火及熄火的双检测电路、方法及系统,该电路包括:汽车的发电机、汽车蓄电池、单向导通管、滤波储能模块、分压模块、点火检测模块和熄火检测模块;分压模块的输入端与所述单向导通管的正极连接,用于平衡所述单向导通管的压降和分压,并将分压后的电压输出至所述点火检测模块的检测端和所述熄火检测模块的检测端;所述熄火检测模块用于对检测端和参考端的电压进行比较输出熄火检测信号给控制器;所述点火检测模块用于对检测端和参考端的电压进行比较输出点火检测信号给控制器。本申请实施例解决检测支路成本高、占用空间大和无法进行汽车熄火检测的问题。


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    Title :

    Automobile ignition and flameout dual-detection circuit, method and system


    Additional title:

    汽车点火及熄火的双检测电路、方法及系统


    Contributors:
    LIU JUN (author) / LIN QIJUN (author)

    Publication date :

    2020-08-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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