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Title:
VARIABLE-FREQUENCY AIR CONDITIONER, AND CONTROL METHOD AND CONTROL APPARATUS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/185369
Kind Code:
A1
Abstract:
Disclosed in the present invention are a variable-frequency air conditioner, and a control method and control apparatus therefor, which aim to improve the running stability and reliability of an air-conditioner system, thereby realizing the functions of a smart air conditioner. The control method comprises: when a variable-frequency air conditioner runs, acquiring the current outdoor ambient temperature; determining whether the current outdoor ambient temperature meets a preset outdoor ambient temperature condition; if the current outdoor ambient temperature meets the preset outdoor ambient temperature condition, acquiring the current temperature of a power module and a current indoor temperature difference, and according to the current temperature of the power module and the current indoor temperature difference, controlling the opening degrees of a first electronic expansion valve and a second electronic expansion valve; and if the current outdoor ambient temperature does not meet the preset outdoor ambient temperature condition, according to the current temperature of the power module, controlling the opening degrees of the first electronic expansion valve and the second electronic expansion valve.

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Inventors:
HE ZHENHUA (CN)
ZHU LIANHUA (CN)
WANG ZHAOQUN (CN)
Application Number:
PCT/CN2023/079382
Publication Date:
October 05, 2023
Filing Date:
March 02, 2023
Export Citation:
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Assignee:
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F24F11/89; F24F11/64; F25B41/34; F25B49/02; F24F110/10; F24F110/12; F24F130/10
Foreign References:
CN114811892A2022-07-29
CN106766001A2017-05-31
CN106679119A2017-05-17
CN110594947A2019-12-20
CN109945389A2019-06-28
Attorney, Agent or Firm:
QINGDAO LZ PATENT AND TRADEMARK OFFICE CO., LTD. (CN)
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