Title:
AIR CONDITIONING SYSTEM, AND DEFROSTING CONTROL METHOD AND DEVICE THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/075785
Kind Code:
A1
Abstract:
An air conditioning system and a defrosting control method and device thereof. The defrosting control method comprises the following steps: when an air conditioning system performs defrosting each time, obtaining defrosting exit time determined in previous defrosting, and controlling the air conditioning system to perform this defrosting according to the defrosting exit time determined in the previous defrosting (S1); in this defrosting process of the air conditioning system, obtaining the temperature of an outdoor environment, and obtaining the temperature of an outlet of an outdoor heat exchanger (S2); determining the temperature of the outdoor environment and the temperature of the outlet of the outdoor heat exchanger (S3); and if the temperature of the outlet of the outdoor heat exchanger is lower than a first preset temperature and lasts a preset time and the temperature of the outdoor environment is lower than a second preset temperature, obtaining forced defrosting time serving as the defrosting exit time of the next defrosting of the air conditioning system, and storing the time (S4).
Inventors:
MA XIHUA (CN)
XU YONGFENG (CN)
XIONG MEIBING (CN)
REN LINXING (CN)
XU YONGFENG (CN)
XIONG MEIBING (CN)
REN LINXING (CN)
Application Number:
PCT/CN2017/109129
Publication Date:
April 25, 2019
Filing Date:
November 02, 2017
Export Citation:
Assignee:
GD MIDEA HEATING & VENTILATING EQUIPMENT CO LTD (CN)
MIDEA GROUP CO LTD (CN)
MIDEA GROUP CO LTD (CN)
International Classes:
F24F11/89; F24F110/12
Foreign References:
CN104567148A | 2015-04-29 | |||
CN105135629A | 2015-12-09 | |||
CN105157290A | 2015-12-16 | |||
CN104776549A | 2015-07-15 | |||
CN104596032A | 2015-05-06 | |||
CN106931694A | 2017-07-07 | |||
JP2003139445A | 2003-05-14 | |||
JPH0921555A | 1997-01-21 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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