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1. (WO2013125742) WINDOW CLEANING DEVICE AND CONTROL METHOD THEREFOR

Pub. No.:    WO/2013/125742    International Application No.:    PCT/KR2012/001521
Publication Date: Fri Aug 30 01:59:59 CEST 2013 International Filing Date: Thu Mar 01 00:59:59 CET 2012
IPC: A47L 1/03
Applicants: INTELLECTUAL DISCOVERY CO., LTD.
인텔렉추얼디스커버리 주식회사
RYU, Man Hyun
유만현
KIM, Dong Kyu
김동규
KANG, Sung Hyuk
강성혁
Inventors: RYU, Man Hyun
유만현
KIM, Dong Kyu
김동규
KANG, Sung Hyuk
강성혁
Title: WINDOW CLEANING DEVICE AND CONTROL METHOD THEREFOR
Abstract:
A window cleaning robot according to the present embodiment comprises a first cleaning unit and a second cleaning unit, which are respectively attached to and move on both surfaces of a window by magnetic force. The window cleaning robot further comprises: a first magnetic module included in the first cleaning unit; a second magnetic module included in the second cleaning unit; a magnetic force sensing section for sensing magnetic force between the first magnetic module and the second magnetic module; and a magnetic force controller for controlling the magnetic force between the first magnetic module and the second magnetic module, wherein the first magnetic module comprises a first magnet which is rotationally mounted, and a second magnet and a third magnet disposed on both sides of the first magnet, and the magnetic force controller rotates the first magnet so as to control the magnetic force between the first magnetic module and the second magnetic module.