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Patent Searching and Data


Title:
AIR CONDITIONER, AND DEFROSTING CONTROL METHOD AND DEVICE THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/134597
Kind Code:
A1
Abstract:
An air conditioner, and a defrosting control method and device therefor. The method comprises: an indoor unit (20-1) determines whether defrosting is required or not according to indoor unit operation information and/or outdoor unit detection information which is transmitted to the indoor unit (20-1) by means of an outdoor detection unit (23) connected to the indoor unit, and if the defrosting is required, the indoor unit (20-1) enters an indoor unit defrosting operation mode, and moreover, the indoor unit (20-1) controls a four-way valve (24) to be switched to a defrosting operation mode; an outdoor unit (20-2) determines whether the indoor unit (20-1) enters the indoor unit defrosting operation mode or not according to outdoor unit operation information, and if it is determined that the indoor unit (20-1) enters the indoor unit defrosting operation mode, the outdoor unit (20-2) enters an outdoor unit defrosting operation mode.

Inventors:
XU GUOJING (CN)
LIU JUKE (CN)
CHENG YONGFU (CN)
Application Number:
PCT/CN2018/125062
Publication Date:
July 11, 2019
Filing Date:
December 28, 2018
Export Citation:
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Assignee:
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
International Classes:
F24F11/42; F24F11/43; F24F11/65
Foreign References:
CN104214902A2014-12-17
CN108386959A2018-08-10
CN1532482A2004-09-29
CN102853502A2013-01-02
CN102269463A2011-12-07
JPH0336474A1991-02-18
Attorney, Agent or Firm:
WISEAST INTELLECTUAL PROPERTY LAW FIRM (CN)
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