Title:
METHOD AND DEVICE FOR CONTROLLING MULTI-SPLIT AIR CONDITIONER AND MULTI-SPLIT AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2024/041302
Kind Code:
A1
Abstract:
Disclosed in the present application is a method for controlling a multi-split air conditioner. The multi-split air conditioner comprises an outdoor unit; a refrigeration indoor unit; a heating indoor unit; an outdoor unit four-way valve, which is connected to a heat exchanger, a high-pressure air pipe, a compressor, an air-liquid separator, and a low-pressure air pipe; a refrigeration valve box, which comprises a first refrigeration electronic expansion valve connected to an air pipe of the refrigeration indoor unit and the high-pressure air pipe, and a second refrigeration electronic expansion valve connected to the air pipe of the refrigeration indoor unit and the low-pressure air pipe; and a heating valve box, which comprises a first heating electronic expansion valve connected to the high-pressure air pipe and an air pipe of the heating indoor unit, and a second heating electronic expansion valve connected to the low-pressure air pipe and the air pipe of the heating indoor unit. The method comprises: determining an operation mode of the multi-split air conditioner; and controlling the opening and closing of the outdoor unit four-way valve, the first refrigeration electronic expansion valve, the second refrigeration electronic expansion valve, the first heating electronic expansion valve, and the second heating electronic expansion valve according to the operation mode of the multi-split air conditioner, so as to realize simultaneous heating and refrigeration of the multi-split air conditioner.
Inventors:
LI XU (CN)
LUO JIANWEN (CN)
SONG DEYUE (CN)
XIA PENG (CN)
BAE DONGSOCK (CN)
DU XUEMEI (CN)
ZHANG XINPEI (CN)
QIU SHUANG (CN)
LUO JIANWEN (CN)
SONG DEYUE (CN)
XIA PENG (CN)
BAE DONGSOCK (CN)
DU XUEMEI (CN)
ZHANG XINPEI (CN)
QIU SHUANG (CN)
Application Number:
PCT/CN2023/109634
Publication Date:
February 29, 2024
Filing Date:
July 27, 2023
Export Citation:
Assignee:
QINGDAO HAIER CENTRAL AIR CONDITIONING CO LTD (CN)
International Classes:
F24F11/65; F24F11/38; F24F11/49; F24F11/52; F24F11/64; F24F11/89; F25B13/00; F25B41/20; F25B41/34; F25B41/40; F24F140/12; F24F140/20
Foreign References:
| CN115342492A | 2022-11-15 | |||
| CN114508837A | 2022-05-17 | |||
| CN101761985A | 2010-06-30 | |||
| CN111623548A | 2020-09-04 | |||
| CN210772507U | 2020-06-16 | |||
| KR20100036788A | 2010-04-08 |
Attorney, Agent or Firm:
QINGDAO ZHONGJIA STANDARD PATENT AGENCY CO., LTD (CN)
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