Control method, control device and air conditioner for air conditioner defrosting
A control method and air-conditioning technology, applied in the fields of air-conditioning defrosting, air-conditioning defrosting control method, and control devices, which can solve the problems of time-reduced defrosting ability and achieve the effect of reducing the decline over time and improving the defrosting effect
Active Publication Date: 2021-11-23
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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Problems solved by technology
[0007] Embodiments of the present disclosure provide a control method, a control device, and an air conditioner for defrosting an air conditioner, so as to solve the technical problem in the related art that the defrosting capacity of the reverse cycle defrosting mode will decrease over time
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[0025] In order to understand the characteristics and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present disclosure. In the following technical description, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.
[0026] figure 1 It is a schematic flowchart of a control method for air conditioner defrosting provided by an embodiment of the present disclosure.
[0027] Such as figure 1 As shown, the embodiment of the presen...
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The present application relates to the technical field of air conditioner defrosting, and discloses a control method for air conditioner defrosting. The control method includes: responding to the condition that the air conditioner satisfies the defrosting air supply condition, controlling the air conditioner to enter the reverse cycle defrosting mode and supplying air to the compressor; obtaining the temperature attenuation parameters of the indoor environment or the indoor coil; based on the indoor environment or the indoor coil The temperature attenuation parameter controls the heating operation of the liquid refrigerant entering the gas-liquid separator and adjusts the refrigerant flow rate of the refrigerant circulation loop. The control method provided by the embodiments of the present disclosure can directly adjust the heating operation of the liquid-feeding refrigerant of the gas-liquid separator and the refrigerant flow rate of the refrigerant circulation circuit when the air conditioner operates in the reverse cycle defrosting mode and supplies air to the compressor. The temperature and flow rate of the refrigerant used for supplementary air can also increase the temperature of the refrigerant flowing into the outdoor heat exchanger, thereby solving the problem that the air conditioner's defrosting capacity decreases over time. The application also discloses a control device for defrosting the air conditioner and the air conditioner.
Description
technical field [0001] The present application relates to the technical field of air conditioner defrosting, for example, to a control method for air conditioner defrosting, a control device and an air conditioner. Background technique [0002] With the development of science and technology, air conditioners, as a necessary electrical equipment in the daily life of ordinary people, have gradually developed from the initial single-cooling models to advanced models with more functions such as cooling, heating and defrosting. Here For air-conditioning products that operate in low-temperature areas or in windy and snowy conditions, an important problem that inevitably needs to be faced is the frosting problem of the outdoor unit of the air conditioner. The role of the evaporator that absorbs heat in the environment is affected by the temperature and humidity of the outdoor environment in winter. More frost is likely to condense on the outdoor heat exchanger, and when the frost a...
Claims
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IPC IPC(8): F24F11/42F24F11/64F25B47/02
CPCF24F2221/34F25B47/025F25B2347/02F24F11/42F24F11/64
Inventor 许文明王飞
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD