Title:
MACHINE ROOM AIR CONDITIONER, AND OPERATION CONTROL METHOD AND OPERATION CONTROL APPARATUS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/092846
Kind Code:
A1
Abstract:
A machine room air conditioner, and an operation control method and operation control apparatus therefor. The air conditioner can keep the refrigerating capacity stable during an operation mode switching process. The air conditioner comprises a first refrigerating system (1), a second refrigerating system (2) and a ventilation duct, wherein the first refrigeration system (1) comprises a first evaporator (11), a first compressor (12), a first condenser (13), a first one-way valve (14) and a first throttle valve (15), which are connected in sequence and form a refrigerant circulation loop, and the first refrigeration system further comprises a second one-way valve (16), which is connected in parallel to the first compressor (1), and a first refrigerant pump (17), which is connected in parallel to the first one-way valve (14); the second refrigeration system (2) comprises a second evaporator (21), a second compressor (22), a second condenser (23), a third one-way valve (24) and a second throttle valve (25), which are connected in sequence and form a refrigerant circulation loop, and the second refrigeration system further comprises a fourth one-way valve (26), which is connected in parallel to the second compressor (22), and a second refrigerant pump (27), which is connected in parallel to the third one-way valve (24); and the first evaporator (11) and the second evaporator (21) are sequentially arranged in the ventilation duct in a direction from an air return port to an air supply port.
Inventors:
XIAO HAO (CN)
LIU CHANG (CN)
LIU CHANG (CN)
Application Number:
PCT/CN2022/072868
Publication Date:
June 01, 2023
Filing Date:
January 20, 2022
Export Citation:
Assignee:
VERTIV TECH CO LTD (CN)
International Classes:
F24F11/85; F24F11/84; F24F11/86; F24F110/12
Foreign References:
| CN105805825A | 2016-07-27 | |||
| CN102607122A | 2012-07-25 | |||
| CN111271831A | 2020-06-12 | |||
| CN106679024A | 2017-05-17 | |||
| JP2012067945A | 2012-04-05 | |||
| JP2004011950A | 2004-01-15 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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