The invention provides a compatible sensor signal acquisition circuit and a signal processing method thereof.The compatible sensor signal acquisition circuit comprises a sensor configuration circuit, a differential amplification circuit, a signal conversion circuit, a control processor and a digital isolator, and the digital isolator is connected with the sensor configuration circuit and the control processor; the differential amplification circuit is respectively connected with the sensor configuration circuit and the signal conversion circuit, the control processor is also connected with the signal conversion circuit, and the sensor configuration circuit is connected with different types of instability sensors. By introducing the digital isolator and the sensor configuration circuit, a voltage signal and a current signal can be selected, so that compatibility with different types of sensors is realized, and when a vehicle is provided with a current type instability sensor and a voltage type instability sensor at the same time, the stability of the vehicle is improved. And instability early warning and alarming functions during transverse instability of the bogie can also be realized.

    本发明提供了一种兼容型传感器信号采集电路及其信号处理方法,包括:传感器配置电路、差分放大电路、信号转换电路、控制处理器和数字隔离器,所述数字隔离器分别和所述传感器配置电路以及所述控制处理器相连接,所述差分放大电路分别和所述传感器配置电路以及所述信号转换电路相连接,所述控制处理器还和所述信号转换电路相连接,所述传感器配置电路与不同类型的失稳传感器相连接。本申请通过引入数字隔离器和传感器配置电路,可以对电压信号和电流信号进行选择,因此实现了对不同类型传感器的兼容,继而当车辆同时配装有电流型失稳传感器和电压型失稳传感器时,也可以实现转向架横向失稳时的失稳预警和报警功能。


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    Title :

    Compatible sensor signal acquisition circuit and signal processing method thereof


    Additional title:

    兼容型传感器信号采集电路及其信号处理方法


    Contributors:
    ZHENG HONGRUI (author) / LIU FENG (author) / ZHANG RUIFANG (author) / LIU ZHIJIE (author) / ZHANG JUNQING (author) / YOU CHUNMIN (author) / ZHANG BO (author) / YANG WEIJUN (author) / CAO HONGFA (author) / ZHAO HONGWEI (author)

    Publication date :

    2025-04-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H03K PULSE TECHNIQUE , Impulstechnik



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