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Patent Searching and Data


Title:
CONTROL METHOD FOR AIR CONDITIONING UNIT, AND AIR CONDITIONING UNIT
Document Type and Number:
WIPO Patent Application WO/2021/233465
Kind Code:
A1
Abstract:
The present invention belongs to the technical field of air conditioning, and specifically relates to a control method for an air conditioning unit, and an air conditioning unit. The present invention aims to solve the problem that during the operation process of an air conditioning unit, when the load of an indoor unit suddenly fluctuates, a compressor is subjected to a surge because same cannot normally increase and reduce a load in a timely manner, and the operation stability of the compressor is affected, such that even a compressor bearing fails. With regards to this aim, in the present invention, an actual air suction pressure value of a compressor, an actual air discharge pressure value of the compressor and an actual bearing offset of the compressor are determined; and then, a load balance valve arranged between an air suction end and an air discharge end of the compressor is selectively controlled on the basis of a determination result, and at the same time, compressor energy adjustment is performed cooperatively. Therefore, in terms of the load change to an indoor unit, a load balance valve is adjusted by means of the method, and compressor energy adjustment is performed, so as to adaptively adjust the operation state of a compressor, thereby solving the problem that the compressor is subjected to a surge, and the operation stability of the compressor is affected, such that even a compressor bearing fails.

Inventors:
WANG, Shusen (CN)
ZHANG, Jie (CN)
WANG, Tiewei (CN)
DENG, Shanying (CN)
Application Number:
PCT/CN2021/099545
Publication Date:
November 25, 2021
Filing Date:
June 11, 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:
F24F11/54; F24F11/64; F24F11/86
Attorney, Agent or Firm:
HANRAY LAW FIRM (CN)
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