WATER SUPPLY DEVICE

To provide a water supply device capable of monitoring an abnormality of a strainer, and simplifying maintenance work for the strainer.SOLUTION: A water supply device 1 comprises a pump device 100, a backflow prevention device 25, a suction side pressure sensor 21, a strainer 50, and a control unit...

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Bibliographische Detailangaben
Hauptverfasser:	KOMAI MASAKAZU, MURAKAWA KEIICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	To provide a water supply device capable of monitoring an abnormality of a strainer, and simplifying maintenance work for the strainer.SOLUTION: A water supply device 1 comprises a pump device 100, a backflow prevention device 25, a suction side pressure sensor 21, a strainer 50, and a control unit 40. The control unit 40 periodically acquires a suction side pressure value and an operating value of the pump device 100, and monitors an abnormality of the strainer 50 based on a trend in fluctuation in at least one of the suction side pressure value and the operating value.SELECTED DRAWING: Figure 1 【課題】ストレーナの異常を監視し、ストレーナのメンテナンス作業を簡略化することができる給水装置が提供される。【解決手段】給水装置１は、ポンプ装置１００と、逆流防止装置２５と、吸込側圧力センサ２１と、ストレーナ５０と、制御部４０と、を備える。制御部４０は、吸込側圧力値と、ポンプ装置１００の運転値と、を定期的に取得し、吸込側圧力値および運転値のうちの少なくとも１つの変動の傾向に基づいて、ストレーナ５０の異常を監視する。【選択図】図１