The invention discloses a vehicle-mounted signal transmission isolation circuit and a vehicle, which can improve the precision of vehicle-mounted signal transmission and avoid influencing the control of a whole vehicle system. Relates to the technical field of circuits, in particular to a vehicle-mounted signal transmission isolating circuit which comprises a signal acquisition module, a signal processing module, a signal processing module and a signal processing module, and the signal acquisition module is arranged on a high-voltage power supply side of a vehicle and used for acquiring working state signals of a high-voltage power supply system of the vehicle; the voltage frequency modulation module is used for converting the working state signal into a frequency signal; the photoelectric coupling module is used for transmitting the frequency signal to a low-voltage power supply side of the vehicle; the frequency voltage demodulation module is arranged on the low-voltage power supply side and is used for converting the frequency signal into a voltage signal to obtain a received voltage signal; the signal acquisition module is electrically connected with the voltage frequency modulation module, and the photoelectric coupling module is electrically connected with the voltage frequency modulation module and the frequency voltage demodulation module.

    本申请公开一种车载信号传输隔离电路及车辆,能够提高车载信号传输的精度,避免影响整车系统控制。涉及电路技术领域,一种车载信号传输隔离电路,包括:信号采集模块,设置于车辆的高压供电侧,用于采集所述车辆的高压供电系统的工作状态信号;压频调制模块,用于将所述工作状态信号转换为频率信号;光电耦合模块,用于将所述频率信号传输至所述车辆的低压供电侧;频压解调模块,设置于所述低压供电侧,用于将所述频率信号转换为电压信号,得到接收电压信号;所述信号采集模块与所述压频调制模块电连接,所述光电耦合模块分别与所述压频调制模块和所述频压解调模块电连接。


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    Title :

    Vehicle-mounted signal transmission isolation circuit and vehicle


    Additional title:

    一种车载信号传输隔离电路及车辆


    Contributors:
    WANG HONGTAO (author) / ZHANG JIN (author) / SUN ZHIHUA (author) / LYU XIAOWU (author) / XU MEIKUN (author)

    Publication date :

    2022-10-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H03K PULSE TECHNIQUE , Impulstechnik / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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