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Patent Searching and Data


Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2022/110771
Kind Code:
A1
Abstract:
The present disclosure discloses an air conditioner, comprising at least one indoor unit and multiple outdoor unit modules. Each of the outdoor unit modules comprises: a compressor; a defrost throttling device; a vapor-side valve in parallel with the defrost throttling device; two outdoor heat exchangers arranged in parallel; two defrost switching devices respectively corresponding to the outdoor heat exchangers, and used to switch between the outdoor heat exchangers so as to enable communication with the defrost throttling device or a vapor-liquid separator; two liquid pipe throttling devices; a throttling device, one end of the throttling device being connected to the position at which one of the liquid pipe throttling devices is connected to a liquid side of a corresponding outdoor heat exchanger, and the other end of the throttling device being connected to the position at which the other liquid pipe throttling device is connected to a corresponding outdoor heat exchanger; and a control device. The control devices are used to control respective outdoor heat exchangers awaiting defrosting to undergo defrosting in turn, or to control a group of outdoor heat exchangers awaiting defrosting in each of the multiple outdoor unit modules, such the respective groups of outdoor heat exchangers undergo defrosting as a group in turn.

Inventors:
ZHANG HENG (CN)
MENG JIANJUN (CN)
DONG CHEN (CN)
XIA XINGXIANG (CN)
Application Number:
PCT/CN2021/100428
Publication Date:
June 02, 2022
Filing Date:
June 16, 2021
Export Citation:
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Assignee:
QINGDAO HISENSE HITACHI AIR CONDITIONING SYS CO LTD (CN)
International Classes:
F24F5/00; F24F11/42
Foreign References:
CN112444001A2021-03-05
CN112443997A2021-03-05
CN213841110U2021-07-30
CN107110546A2017-08-29
CN111664549A2020-09-15
CN110686342A2020-01-14
CN210717972U2020-06-09
KR100820821B12008-04-11
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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