Automatic watering, exhausting and pumping control device for centrifugal pump

The utility model relates to an automatic watering, exhausting and pumping control device for centrifugal pump, comprising four probes which are arranged at preset heights in the pond from low to high, a control circuit composed of a transistor, a relay, a switch contact, a capacitor, and a contacto...

Ausführliche Beschreibung

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Hauptverfasser: DIANJUN JIA, CHENGBAO GUO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The utility model relates to an automatic watering, exhausting and pumping control device for centrifugal pump, comprising four probes which are arranged at preset heights in the pond from low to high, a control circuit composed of a transistor, a relay, a switch contact, a capacitor, and a contactor which are connected with the probes, a return water exhausting electromagnetic valve which is connected with the control circuit and a centrifugal pump and controls the centrifugal pump to water, exhaust and pump automatically when the water level rises to a set height, and to stop the pump when the water level drops to a set height. Through the use of the device, the automatic control of watering, exhausting, pumping of the centrifugal pump is realized, and the work efficiency and the degree of manufacturing automatically are improved.