Title:
VRF DEFROST METHOD, DEVICE, VRF SYSTEM, AND READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/073034
Kind Code:
A1
Abstract:
Provided are a VRF defrost method, a device, a VRF system, and a readable storage medium. Said method comprises: determining a power on/off state of indoor units (S10), the power on/off state comprising a power-off state; acquiring capability capacities of the indoor units of which the state has been determined and a capability capacity of an outdoor unit, calculating the sum of the capability capacities of the indoor units which are powered off, and calculating a ratio of the sum of the capability capacities to the capability capacity of the outdoor unit (S20); and controlling, according to the ratio, the indoor units to enter a corresponding defrost mode (S30).
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Inventors:
WANG ZHENGXING (CN)
LIU QUNBO (CN)
LI SHUNQUAN (CN)
LEI JUNJIE (CN)
LIU QUNBO (CN)
LI SHUNQUAN (CN)
LEI JUNJIE (CN)
Application Number:
PCT/CN2020/079231
Publication Date:
April 22, 2021
Filing Date:
March 13, 2020
Export Citation:
Assignee:
GD MIDEA AIR CONDITIONING EQUIPMENT CO LTD (CN)
MIDEA GROUP CO LTD (CN)
MIDEA GROUP CO LTD (CN)
International Classes:
F24F11/00; F24F11/42; F24F11/64; F24F11/77; F24F11/84; F25B47/02
Foreign References:
| CN107461877A | 2017-12-12 | |||
| CN104748464A | 2015-07-01 | |||
| CN109458698A | 2019-03-12 |
Attorney, Agent or Firm:
JIAQUAN IP LAW FIRM (CN)
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