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Title:
AIR CONDITIONING SYSTEM AND CONTROL METHOD THEREFOR, AND CONTROL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/223769
Kind Code:
A1
Abstract:
An air conditioning system and a control method therefor, and a control apparatus. The air conditioning system comprises a compressor (1), an indoor heat exchanger (3), an outdoor heat exchanger (2), and an electromagnetic four-way reversing valve (5); the first side and the second side in a valve body of the electromagnetic four-way reversing valve (5) generate a pressure difference capable of enabling the electromagnetic four-way reversing valve (5) to achieve reversing; the air conditioning system is further provided with a gas supplementing portion (6); the gas supplementing portion (6) comprises: a gas supplementing apparatus (61), capable of releasing a gas to the first side and/or the second side, so as to promote reversing of the electromagnetic four-way reversing valve (5) by means of releasing the gas to the same side as a gaseous refrigerant on the basis that the compressor releases the gaseous refrigerant to the first side and/or the second side. By means of the provision of the gas supplementing portion (6), it is ensured that mode switching of the air conditioning system can be reliably achieved.

Inventors:
RONG DAN (CN)
SONG QIANG (CN)
LIU JIANGBIN (CN)
LIU JINGSHENG (CN)
REN TAO (CN)
MENG QINGLIANG (CN)
TAN XUEYAN (CN)
Application Number:
PCT/CN2021/094617
Publication Date:
November 11, 2021
Filing Date:
May 19, 2021
Export Citation:
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Assignee:
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F25B13/00; F25B41/20
Foreign References:
CN111623549A2020-09-04
CN107677009A2018-02-09
CN204115319U2015-01-21
CN109751723A2019-05-14
CN210425634U2020-04-28
CN110425763A2019-11-08
CN104567099A2015-04-29
CN103363708A2013-10-23
Attorney, Agent or Firm:
HANRAY LAW FIRM (CN)
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