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1. (WO2018121390) DRUM TYPE WASHING MACHINE AND DOOR-OPENING CONTROL METHOD THEREOF

Pub. No.:    WO/2018/121390    International Application No.:    PCT/CN2017/117628
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Fri Dec 22 00:59:59 CET 2017
IPC: D06F 33/02
D06F 39/14
D06F 37/42
Applicants: QINGDAO HAIER DRUM WASHING MACHINE CO., LTD
青岛海尔滚筒洗衣机有限公司
Inventors: XU, Sheng
许升
LV, Yanfen
吕艳芬
Title: DRUM TYPE WASHING MACHINE AND DOOR-OPENING CONTROL METHOD THEREOF
Abstract:
A drum type washing machine and a door-opening control method thereof. The door-opening control method comprises the following steps: S1, determining whether an inner door lock is locked after a door-opening command is received; if yes, proceeding to S2; and if no, unlocking an outer door lock to allow the outer door (22) to be opened; and S2, determining whether a preset door-opening condition is satisfied; if yes, unlocking the outer door lock to allow the outer door (22) to be opened; and if not, locking the outer door lock. When the inner door lock is not locked, the outer door (22) can be freely opened; if the inner door (21) is locked, the outer door lock can be unlocked only if both water temperature and rotating speed satisfy the door-opening condition; otherwise, the outer door lock is in a locking state all the time to prevent a user to open the outer door (22) to add laundries during operation.