When a prior art track circuit for monitoring an electric signal supplied to a rail via a transmitter and a receiver connected to the rail for detecting a presence of a train using a phenomenon in which the reception level of a signal drops when axles of a train electrically short two rails together and sending a train control signal to the train is applied to a dual gauge track circuit in which two types of trains having different gauges share a rail, mutual induction between rails occurs which is a problem specific to the dual gauge track circuit, and the amount of attenuation of the train detection signal when a train is present on a track drops. The present invention prevents the mutual induction between rails and suppresses the drop of the amount of attenuation of the train detection signal when a train is present on a track by providing a train detector for recognizing two types of trains and detecting the presence of trains on the track via transmitters and receivers respectively connected to three rails, including filters for passing relevant signals and increasing the impedance of signals of other signal bands disposed on input stages of the respective receivers.


    Access

    Download


    Export, share and cite



    Title :

    Train detector for dual gauge track circuit


    Additional title:

    Zugdetektor mit Gleisstromkreis für Gleise mit zwei verschiedenen Spurweiten
    Détecteur de train utilisant des circuits de voie pour voies avec deux écartements différents


    Contributors:

    Publication date :

    2022-06-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



    TRACK CIRCUIT APPARATUS FOR TRAIN

    European Patent Office | 2016

    Free access


    Automatic train control and track circuit

    Engineering Index Backfile | 1935


    TRACK CIRCUIT DEVICE AND TRAIN ON-TRACK DETERMINATION METHOD

    SANO MINORU / MURAKAMI YOUICHI / KANEKO MAKOTO | European Patent Office | 2025

    Free access

    Railway track detector gauge self-calibration device

    SUN YONG | European Patent Office | 2021

    Free access