To provide an elevator control apparatus that classifies a failure mode and issues a warning in accordance with the failure mode by measuring and analyzing temperature at plural locations of an inverter apparatus.SOLUTION: There is provided an elevator control apparatus comprising an inverter apparatus 12 configured with a main conversion element 121 for driving and controlling a main motor, and a cooling fan 122 and a cooling fin 123 that cool the main conversion element 121, a temperature sensor that measures temperature at plural locations of a main conversion element heat release portion within the inverter apparatus, a temperature rising data recording unit 14 that converts temperature measuring data measured by each temperature sensor into digital data and inputs the converted data to record temperature rising values, and a data diagnostic unit 15 that performs processing for extracting data from the temperature rising data recording unit to detect abnormality, in which the temperature rising values of the main conversion element heat release portion are measured at plural locations, past temperature rising values and latest temperature rising values are compared, and an abnormality state of the inverter apparatus 12 is classified and detected as the main conversion element 121, the cooling fan 122, and the cooling fin 123.SELECTED DRAWING: Figure 1
【課題】インバータ装置上の複数箇所の温度を測定して分析することで、故障モードを分類し故障モードに合わせた警報を発報する。【解決手段】主電動機を駆動制御するための主変換素子121と当該主変換素子121を冷却する冷却ファン122及び冷却フィン123とを含んで構成されるインバータ装置12と、インバータ装置内の主変換素子放熱部分の温度を複数箇所で測定する温度センサと、各温度センサで測定された温度計測データをデジタルデータに変換して入力し、温度上昇値を記録する温度上昇データ記録部14と、温度上昇データ記録部からデータを抽出し異常を検出するための処理を行うデータ診断部15とを備え、主変換素子放熱部分の温度上昇値を複数箇所測定し、過去の温度上昇値と最新の温度上昇値とを比較して、インバータ装置12の異常状態を主変換素子121、冷却ファン122、冷却フィン123に分類して検出する。【選択図】図1
ELEVATOR CONTROL APPARATUS AND DETERIORATION DIAGNOSTIC METHOD OF INVERTER APPARATUS
エレベータ制御装置及びインバータ装置の劣化診断方法
2020-03-26
Patent
Electronic Resource
Japanese
IPC: | B66B Aufzüge , ELEVATORS |
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