Title:
AIR CONDITIONING SYSTEM AND VALVE CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/185733
Kind Code:
A1
Abstract:
An air conditioning system and a valve control method therefor. The method comprises: determining whether there is no degree of supercooling at the front end of an electronic expansion valve (130) of an air conditioning system; reducing, when it is determined that there is no degree of supercooling, an opening degree of the electronic expansion valve (130) until a degree of supercooling reappears at the front end of the electronic expansion valve (130); and performing, when the degree of supercooling reappears, PI adjustment on the opening degree of the electronic expansion valve (130) until the degree of supercooling at the front end of the electronic expansion valve (130) is stable. The air conditioning system can quickly and accurately become stable.
Inventors:
LI YUANYANG (CN)
Application Number:
PCT/CN2016/107359
Publication Date:
November 02, 2017
Filing Date:
November 25, 2016
Export Citation:
Assignee:
GD MIDEA HEATING & VENTILATING EQUIPMENT CO LTD (CN)
MIDEA GROUP CO LTD (CN)
MIDEA GROUP CO LTD (CN)
International Classes:
F25B13/00; F24F1/00
Foreign References:
| CN105910357A | 2016-08-31 | |||
| CN101666561A | 2010-03-10 | |||
| CN102345949A | 2012-02-08 | |||
| JP2000088362A | 2000-03-31 | |||
| CN101082441A | 2007-12-05 | |||
| CN101915450A | 2010-12-15 |
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
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