Multi-split air conditioner and control method thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11378296
APP PUB NO 20210262690A1
SERIAL NO

16761476

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Abstract

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The present application discloses a multi-split air conditioner and a control method thereof. The multi-split air conditioner includes a plurality of outdoor heat exchangers connected in parallel to a refrigerant main circulation passage, wherein a parallel branch in which each of the plurality of outdoor heat exchangers is located is provided with a branch control valve capable of controlling a flow rate of refrigerant flowing through the parallel branch. The control method includes: determining a current superheat degree of the multi-split air conditioner; when the current superheat degree of the multi-split air conditioner deviates from a set target superheat degree, controlling and regulating the flow rate of the refrigerant flowing through the branch control valve; and controlling and regulating the flow rate of the refrigerant flowing through the air supplement control valve according to the flow rate of the refrigerant flowing through each of branch control valves.

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Patent Owner(s)

Patent OwnerAddress
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO LTD266500 HAIER DEVELOPMENT ZONE INDUSTRIAL PARK QINGDAO ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE QINGDAO SHANDONG PROVINCE QINGDAO CITY SHANDONG PROVINCE 266500
HAIER SMART HOME CO LTDNO 1 HAIER ROAD LAOSHAN QINGDAO CITY SHANDONG PROVINCE 266101

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guo, Defang Qingdao, CN 7 0
Li, Yinyin Qingdao, CN 6 1
Liu, Jiangbin Qingdao, CN 5 0
Liu, Jingsheng Qingdao, CN 10 2
Meng, Qingliang Qingdao, CN 7 0
Ren, Tao Shandong, CN 89 589
Song, Qiang Qingdao, CN 41 200
Tan, Xueyan Qingdao, CN 3 0

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