Title:
AIR CONDITIONER, AND METHOD AND DEVICE FOR CONTROLLING DEFROSTING OF AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2021/134959
Kind Code:
A1
Abstract:
Disclosed are an air conditioner, and a method and device for controlling defrosting of the air conditioner. The air conditioner comprises a compressor (1) and a four-way valve (12) connected to an exhaust port of the compressor (1), wherein a first valve port of the four-way valve (12) is connected to one end of an indoor heat exchanger (2) by means of a stop valve (3); the other end of the indoor heat exchanger (2) is connected to one end of an outdoor heat exchanger (7) by means of a throttling device (4); and the outdoor heat exchanger (7) comprises at least two regional heat exchangers, one end of each regional heat exchanger is connected to the throttling device (4), another end of each regional heat exchanger is connected to a second valve port of the four-way valve (12) by means of a corresponding first two-way valve, and another end of each regional heat exchanger is connected to the first valve port of the four-way valve (12) by means of a corresponding second two-way valve. The uniformity of an indoor temperature in a heating mode is thus improved.
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Inventors:
SUN XIAOFENG (CN)
HAO BENHUA (CN)
LIU QINGYUN (CN)
XU ZHONGHUA (CN)
HAO BENHUA (CN)
LIU QINGYUN (CN)
XU ZHONGHUA (CN)
Application Number:
PCT/CN2020/082997
Publication Date:
July 08, 2021
Filing Date:
April 02, 2020
Export Citation:
Assignee:
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
HAIER SMART HOME CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F25B47/02; F24F11/42; F25B13/00; F25B49/02
Foreign References:
| CN101382351A | 2009-03-11 | |||
| CN101382351A | 2009-03-11 | |||
| CN107975990A | 2018-05-01 | |||
| CN103335463A | 2013-10-02 | |||
| CN208139616U | 2018-11-23 | |||
| CN108826732A | 2018-11-16 | |||
| CN103629862A | 2014-03-12 | |||
| US20180283749A1 | 2018-10-04 | |||
| KR20120100512A | 2012-09-12 |
Attorney, Agent or Firm:
BEIJING KANGSHENG INTELLECTUAL PROPERTY AGENCY CO., LTD (CN)
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