To detect abnormalities of a rail and an electric apparatus connected to the rail.SOLUTION: A maintenance device 10 sends a pulse signal from a prescribed observation point P of a rail R, observes an observation signal appearing at the observation point P after sending the pulse signal, compares an observation signal received this time with an observation history of the observation signal, and detects an occurrence of an abnormality at either of the rail R or an electric apparatus 20 connected to the rail R.SELECTED DRAWING: Figure 1

    【課題】レール及びレールに接続された電気機器の異常を検出すること。【解決手段】保全装置10は、レールRの所定の観測点Pからパルス信号を送信し、パルス信号の送信後に観測点Pに現れる観測信号を観測し、観測信号の観測履歴と、今回受信した観測信号とを比較して、レールR及びレールRに接続されている電気機器20の何れかに異常が発生したことを検出する。【選択図】図1


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    Title :

    MAINTENANCE DEVICE, MAINTENANCE SYSTEM AND MAINTENANCE METHOD


    Additional title:

    保全装置、保全システム及び保全方法


    Contributors:

    Publication date :

    2021-10-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / E01B PERMANENT WAY , Gleisoberbau



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