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Patent Searching and Data


Title:
METHOD AND DEVICE FOR CONTROLLING EXPANSION VALVE
Document Type and Number:
WIPO Patent Application WO/2019/024683
Kind Code:
A1
Abstract:
Provided are a method and device for controlling an expansion valve. The method comprises: when a first specified quantity of indoor units are in a non-operating state, closing all expansion valves corresponding to the indoor units in the non-operating state; and alternately opening, according to a predetermined cycle, expansion valves corresponding to a second specified quantity of indoor units in the non-operating state. The method and device are applicable to noise control processes for air conditioners.

Inventors:
WANG, Jun (Haier Industrial Park, No.1 Haier Road Laoshan District, Qingdao Shandong 1, 266101, CN)
CHENG, Shaojiang (Haier Industrial Park, No.1 Haier Road Laoshan District, Qingdao Shandong 1, 266101, CN)
ZHUO, Baitian (Haier Industrial Park, No.1 Haier Road Laoshan District, Qingdao Shandong 1, 266101, CN)
ZHANG, Ruigang (Haier Industrial Park, No.1 Haier Road Laoshan District, Qingdao Shandong 1, 266101, CN)
SHAO, Wenjun (Haier Industrial Park, No.1 Haier Road Laoshan District, Qingdao Shandong 1, 266101, CN)
ZHANG, Wanying (Haier Industrial Park, No.1 Haier Road Laoshan District, Qingdao Shandong 1, 266101, CN)
SHI, Bin (Haier Industrial Park, No.1 Haier Road Laoshan District, Qingdao Shandong 1, 266101, CN)
Application Number:
CN2018/096155
Publication Date:
February 07, 2019
Filing Date:
July 18, 2018
Export Citation:
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Assignee:
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD (Haier Industrial Park, No.1 Haier Road Laoshan District, Qingdao Shandong 1, 266101, CN)
International Classes:
F25B13/00; F24F11/84; F24F13/24
Attorney, Agent or Firm:
BEIJING KANGSHENG INTELLECTUAL PROPERTY AGENCY CO., LTD (ZHANG Yufeng, Room 1166 11th Floor, Anhua Development Plaza No. 35 AnDing Road, Chaoyang District, Beijing 9, 100029, CN)
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