Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MULTI-CONNECTED AIR CONDITIONING SYSTEM NOISE CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2019/104965
Kind Code:
A1
Abstract:
Provided is a multi-connected air conditioning system noise control method, comprising the steps of: when an operating mode of a multi-connected air conditioning system is a heating mode, obtaining a number of indoor units in a standby state (S100); when the number is greater than a number threshold value, controlling expansion valves corresponding to all the indoor units in the standby state to open at intervals (S200). The method reduces noise produced by the indoor units in the standby state, and lowers costs.

Inventors:
LU, Dahai (Haier Industrial Park, No.1 Haier Road,Laoshan DistricQingdao, Shandong 1, 266101, CN)
WANG, Haisheng (Haier Industrial Park, No.1 Haier Road,Laoshan DistricQingdao, Shandong 1, 266101, CN)
CUI, Guodong (Haier Industrial Park, No.1 Haier Road,Laoshan DistricQingdao, Shandong 1, 266101, CN)
ZHANG, Ming (Haier Industrial Park, No.1 Haier Road,Laoshan DistricQingdao, Shandong 1, 266101, CN)
ZHANG, Zhongxiao (Haier Industrial Park, No.1 Haier Road,Laoshan DistricQingdao, Shandong 1, 266101, CN)
DIAO, Hongfu (Haier Industrial Park, No.1 Haier Road,Laoshan DistricQingdao, Shandong 1, 266101, CN)
GAO, Qiang (Haier Industrial Park, No.1 Haier Road,Laoshan DistricQingdao, Shandong 1, 266101, CN)
JIAO, Hua (Haier Industrial Park, No.1 Haier Road,Laoshan DistricQingdao, Shandong 1, 266101, CN)
CHEN, Xu (Haier Industrial Park, No.1 Haier Road,Laoshan DistricQingdao, Shandong 1, 266101, CN)
Application Number:
CN2018/088273
Publication Date:
June 06, 2019
Filing Date:
May 24, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD (Haier Industrial Park, NO.1 Haier Road Laoshan Distric, Qingdao Shandong 1, 266101, CN)
International Classes:
F25B41/06; F24F13/24
Foreign References:
CN1379212A2002-11-13
CN103836773A2014-06-04
CN104697120A2015-06-10
CN105588261A2016-05-18
CN106907834A2017-06-30
CN206094674U2017-04-12
US20110192181A12011-08-11
Attorney, Agent or Firm:
HANRAY LAW FIRM (712A, Century Square 99 Wangfujing Street,,Dongcheng District, Beijing 6, 100006, CN)
Download PDF: