The invention relates to the field of automobile seats, and provides an anti-pinch control circuit and method for an automobile memory seat. The anti-pinch control circuit comprises a micro-control unit, a motor drive unit, a sampling resistor, an amplification circuit, and a voltage comparison circuit. The output end of the micro-control unit is connected with the motor driving unit, a first signal acquisition port of the micro-control unit is connected with the output end of the amplification circuit, and a second signal acquisition port of the micro-control unit is connected with the outputend of the voltage comparison circuit; one end of the sampling resistor is connected with the motor driving unit, and the other end is grounded; and the two ends of the sampling resistor are connected in parallel and then are connected with the input end of the amplification circuit and the input end of the voltage comparison circuit. According to the anti-pinch control circuit and method for theautomobile memory seat, ripple waves and currents of the seat motor are detected, so that the memory and locked-rotor prevention functions of the seat are achieved, and the purpose of reducing cost is achieved.

    本发明涉及汽车座椅领域,提供一种汽车记忆座椅防夹控制电路及方法,该防夹控制电路包括微控制单元、电机驱动单元、采样电阻、放大电路和电压比较电路;微控制单元的输出端与电机驱动单元相连,微控制单元的第一信号采集口与放大电路的输出端相连,微控制单元的第二信号采集口与电压比较电路的输出端相连;采样电阻的一端与电机驱动单元相连,另一端接地;采样电阻的两端并联后分别与放大电路的输入端及电压比较电路的输入端相连。该汽车记忆座椅防夹控制电路及方法,通过对座椅电机的纹波和电流进行检测,来实现座椅的记忆和防堵转功能,达到降低成本的目的。


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    Title :

    Anti-pinch control circuit and method for automobile memory seat


    Additional title:

    一种汽车记忆座椅防夹控制电路及方法


    Contributors:
    REN YICHAO (author) / TENG HONGZHOU (author)

    Publication date :

    2020-07-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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