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1.发明公开
公开(公告)号：EP3764016A1
公开(公告)日：2021-01-13
申请号：EP18926841.0
申请日：2018-12-24
发明人： JIAO, Hua , LI, Yankao , LU, Dahai , CAI, Yanfang
摘要： A panel structure of an air conditioner, an air conditioner, a method, a device, and a storage medium, belong to the technical field of air conditioners, and solve the problems of a high wind speed blown out by the available air conditioner and of a poor user experience effect. A panel structure of an air conditioner, comprising: an air deflector (1) and an assembly (2) of vertical flaps, the air deflector (1) being provided with a first microhole structure (11) penetrating in the thickness direction thereof and swinging up and down under the driving of a motor of the air deflector; the assembly (2) of vertical flaps comprises a swing rod (21) and one or more vertical flaps (22), the flaps (22) being provided on the swing rod (21), the swing rod (21) driving the vertical flaps (22) to swing left and right under the driving of a driving motor of the swing rod, and the vertical flaps (22) being provided with a second microhole structure (221) penetrating in the thickness direction thereof.
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2.发明公开
公开(公告)号：EP3882533A1
公开(公告)日：2021-09-22
申请号：EP19885718.7
申请日：2019-08-15
发明人： ZHANG, Ming , SONG, Deyue , GAO, Qiang , WANG, Haisheng , LU, Dahai , ZHANG, Xiaodi , ZHOU, Mingjie
摘要： A control method and system for refrigeration, oil return and noise reduction of a multi-split air-conditioner. The method comprises: when the accumulative time that the frequency of a compressor is smaller than the set frequency threshold reaches the oil return cycle and a standby indoor unit exists, conducting an oil return running mode; resetting the accumulative time; starting counting the oil return running time; calculating the indoor unit starting load; determining the opening degree of an expansion valve of the standby indoor unit according to the indoor unit starting load and whether there is anyone in a room where the standby indoor unit is located; controlling the compressor to run according to the set oil return frequency; and when the oil return running time reaches the oil return set time, exiting the oil return running mode, and conducting a normal refrigerating running mode. By means of the control method, the oil return effect is ensured, and the influences of throttling sounds caused by opening of the expansion valve of the standby indoor unit on users during oil return are also reduced.
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公开(公告)号：EP4407248A1
公开(公告)日：2024-07-31
申请号：EP22939855.7
申请日：2022-11-17
申请人： Qingdao Haier Air-Conditioning Electronic Co., Ltd , Qingdao Haier Air Conditioner General Corp., Ltd. , Haier Smart Home Co., Ltd.
发明人： LIU, Donglai , YUAN, Yizhong , LU, Dahai , MAO, Shoubo
IPC分类号： F24F11/84
CPC分类号： F25B49/02 , F25B40/02 , F25B41/24 , F24F13/24 , F24F11/84 , F24F1/0063 , F24F11/81 , Y02B30/70
摘要： The present application relates to the technical field of multi-split air conditioners, and discloses a multi-split air conditioner comprising an outdoor unit and a group of indoor units, the group of indoor units comprising a plurality of indoor units connected in parallel, at least one indoor unit comprising: a main flow path, comprising an electronic expansion valve and an indoor heat exchanger successively connected via a main pipeline, at least part of the main pipeline located at a refrigerant inlet end of the electronic expansion valve being used as a supercooling parallel section; a supercooling branch, comprising a supercooler, the supercooling branch being connected in parallel to the supercooling parallel section; and a communication switching assembly, configured to be controlled to communicate the supercooling parallel section and/or the supercooling branch with the electronic expansion valve. The present application allows for enhancing the degree of supercooling in front of the electronic expansion valve, thus increasing the stability of a refrigerant during a throttling process, and thereby achieving the aim of reducing abnormal throttling noise at the indoor side of the multi-split air conditioner. The present application further discloses a method and apparatus for controlling a multi-split air conditioner.
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