Title:
CIRCULATION SYSTEM AND CONTROL METHOD AND DEVICE THEREFOR, AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2021/169539
Kind Code:
A1
Abstract:
A circulation system and a control method and device therefor, and an air conditioner. The circulation system comprises: a compressor (11); an indoor unit (13), an inlet end of the indoor unit (13) being in communication with an exhaust end of the compressor (11); an outdoor unit (12), an inlet end of the outdoor unit (12) being in communication with an outlet end of the indoor unit (13) by means of a first pipeline (18); a heating device (14), which is configured to be turned on when the circulation system is in a defrosting mode, wherein an inlet end of the heating device (14) is in communication with the first pipeline (18) by means of a second pipeline (16) and is further in communication with an outlet end of the outdoor unit (12) by means of a third pipeline (17), and an outlet end of the heating device (14) is in communication with an air suction end of the compressor (11); and a defrosting pipeline (15), which is arranged between the exhaust end of the compressor (11) and the first pipeline (18), and is configured to be connected when the circulation system is in the defrosting mode. The circulation system can realize uninterrupted heating during defrosting of the outdoor unit (12), thereby improving the comfortability of the circulation system.
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| JPS62147252 | DEFROSTING OPERATION OF REFRIGERATING CYCLE |
Inventors:
SU YUHAI (CN)
XIONG JIANGUO (CN)
ZHANG SHIQIANG (CN)
LI LIMIN (CN)
LIANG QIDIAN (CN)
XIONG JIANGUO (CN)
ZHANG SHIQIANG (CN)
LI LIMIN (CN)
LIANG QIDIAN (CN)
Application Number:
PCT/CN2020/138810
Publication Date:
September 02, 2021
Filing Date:
December 24, 2020
Export Citation:
Assignee:
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
F25B47/02; F25B41/40; F25B49/02
Foreign References:
| CN111102773A | 2020-05-05 | |||
| CN111288694A | 2020-06-16 | |||
| CN111306853A | 2020-06-19 | |||
| CN211739590U | 2020-10-23 | |||
| CN110645745A | 2020-01-03 | |||
| CN110645746A | 2020-01-03 | |||
| CN107560217A | 2018-01-09 | |||
| CN106885405A | 2017-06-23 | |||
| JPS5885043A | 1983-05-21 | |||
| JPS54137759A | 1979-10-25 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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