The invention discloses an axle counting equipment electromagnetic interference filtering method and device and axle counting equipment, and relates to the technical field of trackside equipment. A signal filter is additionally arranged on the side of an axle counting box of a rail-side part, and the signal filter judges whether voltage data collected by an axle counting magnetic head is caused by electromagnetic interference or not by collecting the occurrence time of instantaneous current due to the fact that instantaneous current exists in a steel rail when electromagnetic interference occurs; and axle counting voltage data caused by electromagnetic interference is filtered and processed and then is transmitted to the axle counting indoor cabinet, so that axle counting interference in the alternating current traction environment is effectively reduced, the anti-interference capability of axle counting equipment in the alternating current traction environment of urban (suburban) railways is improved, and the reliability of a signal system is further improved.

    本发明公开一种计轴设备电磁干扰过滤方法、装置及计轴设备,涉及轨旁设备技术领域。本发明通过在轨旁部分计轴箱盒边增加一个信号过滤器,由于发生电磁干扰时钢轨中会存在瞬时电流,信号过滤器通过采集瞬时电流发生的时间判断计轴磁头收集的电压数据是否是电磁干扰引起,并将电磁干扰引起的计轴电压数据过滤处理后再传输给计轴室内机柜,有效降低了交流牵引环境中的计轴干扰,提升了计轴设备在市域(郊)铁路交流牵引环境中抗干扰能力,进而提高了信号系统的可靠性。


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    Title :

    Method and device for filtering electromagnetic interference of axle counting equipment and axle counting equipment


    Additional title:

    计轴设备电磁干扰过滤方法、装置及计轴设备


    Contributors:
    ZHU SANPING (author) / DENG ZHIXIANG (author) / XU JUN (author) / MA JINGCHUN (author) / QIU ZEYU (author) / JIANG XI (author) / LIN JING (author) / WANG YU (author) / ZHANG WEI (author) / ZHANG XIAOFANG (author)

    Publication date :

    2023-12-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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