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Title:
METHOD FOR DETERMINING REFERENCE FREQUENCY OF COMPRESSOR IN MULTI-SPLIT AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2021/233469
Kind Code:
A1
Abstract:
A method for determining the reference frequency of a compressor in a multi-split air conditioner, the method comprising: S1, acquiring a rated capability of each currently started indoor unit, a set indoor temperature value, the current indoor temperature value of a room in which the indoor unit is located, the current outdoor temperature value, and the current operating mode of a multi-split air conditioner; S2, determining a first capability correction coefficient of each indoor unit on the basis of a predetermined first mapping relationship, in the operating mode, between the first capability correction coefficient of the indoor unit and the set indoor temperature value and the current indoor temperature value; S3, determining the total capability requirement of all currently started indoor units on the basis of the rated capability of each indoor unit, the set indoor temperature value, the current indoor temperature value, and the first capability correction coefficient; S4, determining a second capability correction coefficient of an outdoor unit on the basis of a predetermined second mapping relationship, in the operating mode, between the second capability correction coefficient of the outdoor unit and the current outdoor temperature value; S5, determining the total capability requirement of the outdoor unit on the basis of the total capability requirement of all indoor units, and the second capability correction coefficient; and S6, determining the reference frequency of a compressor on the basis of the total capability requirement of the outdoor unit, and a refrigerating or heating capability of the outdoor unit at the unit frequency of the compressor. By means of the method, it can be ensured that a multi-split air conditioner can achieve a target adjusting effect within a short time, and the multi-split air conditioner can run more stably, thereby reducing noise and saving electric energy, and further ensuring the refrigerating or heating effect of the multi-split air conditioner.

Inventors:
ZHUO BAITIAN (CN)
SHI BIN (CN)
CHENG SHAOJIANG (CN)
ZHANG RUIGANG (CN)
WANG JUN (CN)
Application Number:
PCT/CN2021/100009
Publication Date:
November 25, 2021
Filing Date:
June 15, 2021
Export Citation:
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Assignee:
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F24F11/86; F24F11/62; F24F110/10
Foreign References:
CN107860103A2018-03-30
CN112303843A2021-02-02
CN109084433A2018-12-25
CN106705353A2017-05-24
CN105571068A2016-05-11
CN106352484A2017-01-25
JP2016142492A2016-08-08
JPH04363532A1992-12-16
Attorney, Agent or Firm:
HANRAY LAW FIRM (CN)
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