To detect event occurrences, such as small foreign objects in a hoistway and minute displacement of devices, with high accuracy at low costs.SOLUTION: The invention relates to a maintenance device which performs maintenance inspection of a hoistway based on first image data of the hoistway which is imaged by an imaging device during the maintenance inspection of an elevator and second image data of the hoistway to be compared with the first image data. The maintenance device includes an image analysis section which performs image analysis of the hoistway based on the first image data and the second image data. The image analysis section has: a difference area calculation section which generates a first difference image between an image included in the first image data and an image included in the second image data to calculate an area of a difference region included in the first difference image; and a deviation amount calculation section which calculates, based on the area of the difference region calculated by the difference area calculation section, deviation amounts between an image point of each image included in the first image data and an image point of each image included in the second image data.SELECTED DRAWING: Figure 3

    【課題】 昇降路内の小さな異物、機器の微細の位置変化等の事象発生を高精度で且つ低コストで検出可能にする。【解決手段】 本発明は、エレベーターの保守点検時に撮影装置により撮影された昇降路の第1の画像データと、第1の画像データと比較対象となる昇降路の第2の画像データとに基づいて、昇降路の点検保守を行う保守装置であり、第1の画像データ及び第2の画像データに基づいて、昇降路の画像解析を行う画像解析部を備え、画像解析部は、第1の画像データに含まれる画像と第2の画像データに含まれる画像との第1の差分画像を生成し、第1の差分画像に含まれる差分領域の面積を算出する差分面積算出部と、差分面積算出部で算出された差分領域の面積に基づいて、第1の画像データに含まれる各画像の撮影点と、第2の画像データに含まれる各画像の撮影点とのずれ量を算出するずれ量算出部とを有する。【選択図】 図3


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    Title :

    MAINTENANCE DEVICE, MAINTENANCE SYSTEM, AND MAINTENANCE PROGRAM


    Additional title:

    保守装置、保守システム及び保守プログラム


    Contributors:

    Publication date :

    2024-11-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL



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