Title:
HEAT PUMP AIR CONDITIONING UNIT AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/226469
Kind Code:
A1
Abstract:
A heat pump air conditioning unit and a control method therefor. The heat pump air conditioning unit can achieve the heating performance and the refrigeration performance at the same time. A heat exchanger of the heat pump air conditioning unit comprises a heat exchange tube group (11), a gas collection tube group (12) and a liquid collection tube group (13). The heat exchange tube group (11) comprises a plurality of heat exchange tubes (111) arranged in parallel; the gas collection tube group (12) comprises at least two gas collection tubes arranged in series, the gas collection tubes are in communication with the heat exchange tubes (111), and a gas collection control valve (123) is provided between every two adjacent gas collection tubes, so as to control the communication state between the two adjacent gas collection tubes and the corresponding heat exchange tubes (111); and the liquid collection tube group (13) comprises a first main liquid tube (131), and a first liquid collection tube (132) and a second liquid collection tube (133) which are arranged in parallel, two ends of the first liquid collection tube (132) and two ends of the second liquid collection tube (133) are respectively in communication with the heat exchange tubes and the first main liquid tube (131), and the first main liquid tube (131) is provided with a liquid collection control valve (1311), so as to control the communication state between the first liquid collection tube (132) and the second liquid collection tube (133) and the corresponding heat exchange tubes (111), such that the heat exchange efficiency can be effectively improved.
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Inventors:
ZHAO ZHENLI (CN)
GU CHAO (CN)
AN CHAO (CN)
GU CHAO (CN)
AN CHAO (CN)
Application Number:
PCT/CN2023/074347
Publication Date:
November 30, 2023
Filing Date:
February 03, 2023
Export Citation:
Assignee:
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
HAIER SMART HOME CO LTD (CN)
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F24F11/89
Domestic Patent References:
| WO2020177272A1 | 2020-09-10 |
Foreign References:
| CN101818972A | 2010-09-01 | |||
| CN201628425U | 2010-11-10 | |||
| CN113701534A | 2021-11-26 | |||
| CN206131219U | 2017-04-26 | |||
| CN209415833U | 2019-09-20 | |||
| GB1464372A | 1977-02-09 | |||
| GB842231A | 1960-07-20 |
Attorney, Agent or Firm:
HANRAY LAW FIRM (CN)
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