To provide an elevator wire rope inspection device capable of inspecting a wire rope accurately even when a cage part of an elevator is moved in an arbitrary moving section.SOLUTION: A wire ripe inspection device 100 (an elevator wire rope inspection device) includes a differential coil 10 (a detection coil) for detecting variation in magnetic fields of a plurality of wire ropes W, and a control unit 21 for receiving a detection signal of the wire rope W acquired by the differential coil 10. The control unit 21 is configured to detect a state of the wire rope W based on a difference between a detection signal detected by the differential coil 10 based on the movement of a cage part E1 of an elevator E in one inter-floor section among a plurality of inter-floor sections (movement sections) and a reference signal corresponding to the one inter-floor section among a plurality of reference signals that are signals detected when the cage part E1, which is stored in advance, is moved in each of the plurality of inter-floor sections.SELECTED DRAWING: Figure 1

    【課題】エレベータのカゴ部が任意の移動区間を移動した場合でも、正確にワイヤロープの検査を行うことが可能なエレベータ用ワイヤロープ検査装置を提供する。【解決手段】このワイヤロープ検査装置100(エレベータ用ワイヤロープ検査装置)は、複数のワイヤロープWの磁界の変化を検知する差動コイル10(検知コイル)と、差動コイル10により取得されたワイヤロープWの検知信号を受信する制御部21と、を備える。また、制御部21は、エレベータEのカゴ部E1が複数の階間区間(移動区間)のうちの一の階間区間を移動したことに基づいて差動コイル10により検知された検知信号と、予め記憶されたカゴ部E1が複数の階間区間の各々を移動した際に検知された信号である複数の基準信号のうちの、一の階間区間に対応する基準信号との差分に基づいて、ワイヤロープWの状態を検知するように構成されている。【選択図】図1


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    Title :

    ELEVATOR WIRE ROPE INSPECTION DEVICE, ELEVATOR WIRE ROPE INSPECTION SYSTEM, AND ELEVATOR WIRE ROPE INSPECTION METHOD


    Additional title:

    エレベータ用ワイヤロープ検査装置、エレベータ用ワイヤロープ検査システム、およびエレベータ用ワイヤロープ検査方法


    Contributors:

    Publication date :

    2021-10-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



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