The embodiment of the invention provides a wheel sensor, a train detection system and a train running track. The wheel sensor is arranged on the train running track, and the wheel sensor comprises a first coil, a first signal processing circuit, at least one second coil and a second signal processing circuit, wherein the first coil is used for generating a first magnetic field, and when a train runs on the track, the first magnetic field is changed to generate a first electric signal; the first signal processing circuit is electrically connected with the first coil and is used for generating adetection signal for detecting running characteristics of the train according to the first electric signal; the at least one second coil is used for generating a second magnetic field, and the secondmagnetic field is changed to generate a second electric signal when the train runs on the track; and the second signal processing circuit is electrically connected with the at least one second coil and is used for generating a first power supply signal required by operation of the first signal processing circuit according to the second electric signal. According to the embodiment of the invention, construction cost is reduced, anti-interference performance is improved, a fault rate and a maintenance workload are reduced, and detection of the running characteristics can be effectively ensured.

    本申请实施例提供了一种车轮传感器、列车检测系统、列车行驶的轨道,其中,车轮传感器设置在列车行驶的轨道上,车轮传感器包括:第一线圈,用于产生第一磁场,列车在轨道上行驶时引起第一磁场变化以产生第一电信号;第一信号处理电路,与第一线圈电连接,用于根据第一电信号生成用于对列车进行行驶特征检测的检测信号;至少一第二线圈,用于产生第二磁场,列车在轨道上行驶时引起第二磁场变化以产生第二电信号;第二信号处理电路,与至少一第二线圈电连接,用于根据第二电信号生成第一信号处理电路工作所需的第一供电信号。本申请实施例降低了施工成本,增加了抗干扰性,降低了故障率和维修的工作量,有效保证可实现对行驶特征的检测等。


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    Title :

    Wheel sensor, train detection system and train running track


    Additional title:

    车轮传感器、列车检测系统、列车行驶的轨道


    Contributors:

    Publication date :

    2020-08-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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