Title:
WASHING MACHINE AND CONTROL METHOD OF WASHING MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/164337
Kind Code:
A1
Abstract:
A washing machine includes: a tub configured to contain water; a drum of metal material configured to rotate in the tub; at least one temperature sensor configured to detect a temperature of air between the drum and the tub; an induction heater configured to be disposed in a position spaced apart from the drum and heat the drum; a controller unit configured to control the induction heater within a preset control temperature range based on a temperature detected by the at least one temperature sensor; a circuit configured to supply power to the induction heater; a first thermostat configured to operate according to the temperature of a first air between the drum and the tub, and open the circuit when the temperature of the first air is a first safety control temperature corresponding to a case where the temperature of the drum is in a first safety temperature range; and a thermal fuse configured to operate according to a temperature of the second air outside the tub, and open the circuit when the temperature of the second air is a second safety temperature corresponding to a case where the temperature of the drum is in a second safety temperature range having a larger value than the first safety temperature range.
Inventors:
JANG JAEHYUK (KR)
KIM WOORE (KR)
HONG SANGWOOK (KR)
KIM WOORE (KR)
HONG SANGWOOK (KR)
Application Number:
PCT/KR2019/002213
Publication Date:
August 29, 2019
Filing Date:
February 22, 2019
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
D06F39/04; D06F37/42; H05B6/06; H05B6/10
Foreign References:
| EP2400052A1 | 2011-12-28 | |||
| US5347610A | 1994-09-13 | |||
| EP1914339A1 | 2008-04-23 | |||
| KR20020038375A | 2002-05-23 | |||
| CN202430496U | 2012-09-12 |
Attorney, Agent or Firm:
PARK, Byung Chang (KR)
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