WATER SHORTAGE DETECTION AND WATER SUPPLY SYSTEM FOR ROBOT CLEANER

A water shortage detection system comprises: a body; a drive unit which is provided in the body to supply power for traveling of a robot cleaner; a plurality of rotary members which rotate about a plurality of respective rotation axes by the power from the drive unit and to which cleaners for wet cl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KIM, Bong Yun, JUNG, Woo Chul
Format:	Patent
Sprache:	eng
Schlagworte:	COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FURNITURE HUMAN NECESSITIES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SPICE MILLS SUCTION CLEANERS IN GENERAL TESTING
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Beschreibung
Zusammenfassung:	A water shortage detection system comprises: a body; a drive unit which is provided in the body to supply power for traveling of a robot cleaner; a plurality of rotary members which rotate about a plurality of respective rotation axes by the power from the drive unit and to which cleaners for wet cleaning of a surface to be cleaned can be fixed respectively; a water tank which is provided in the body to store water; a pump motor which supplies water stored in the water tank to the rotary members; and a control unit which measures the load current of the pump motor, wherein a water shortage state in the water tank is detected on the basis of the measured value of the load current of the pump motor.