Control method and device used for air conditioner defrosting and air conditioner
A control method and air-conditioning technology, which are applied in the field of devices, air-conditioning defrosting, and control methods for air-conditioning defrosting, can solve the problems of low accuracy of air-conditioning defrosting judgment, and achieve the advantages of reducing adverse effects, increasing refrigerant temperature, and improving control accuracy. Effect
Active Publication Date: 2019-11-19
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, device, and air conditioner for defrosting an air conditioner to solve the problem of low accuracy in judging the defrosting of an air conditioner in the related art technical problem
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[0024] 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.
[0025] figure 1 It is a schematic flowchart of a control method for air conditioner defrosting provided by an embodiment of the present disclosure.
[0026] Such as figure 1 As shown, the embodiment of the presen...
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The invention relates to the technical field of air conditioner defrosting and discloses a control method used for air conditioner defrosting. The control method includes the steps that in the heatingmode running process of an air conditioner, the outdoor environment temperature, the first outdoor coil pipe temperature, the refrigerant liquid inlet temperature and the refrigerant liquid outlet temperature are obtained; and after it is confirmed that the defrosting entering condition is met according to the outdoor environment temperature, the first outdoor coil pipe temperature, the refrigerant liquid inlet temperature and the refrigerant liquid outlet temperature, a refrigerant flowing through a refrigerant liquid inlet pipeline of an outdoor heat exchanger is controlled to be heated. Bymeans of the control method, the judgment on whether the air conditioner meets the defrosting entering condition or not can be conducted according to the outdoor environment temperature, the outdoorcoil pipe temperature, the refrigerant liquid inlet temperature and the refrigerant liquid outlet temperature, and therefore the air conditioner defrosting control precision can be effectively improved; and due to the heating operation on the refrigerant flowing through the refrigerant liquid inlet pipeline, the temperature of the refrigerant flowing into the outdoor heat exchanger can be effectively increased, and refrigerant heat is used for melting condensed frost. The invention further discloses a control device used for air conditioner defrosting 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 and device for air conditioner defrosting, and an air conditioner. Background technique [0002] At present, the mainstream models of air conditioners are mostly equipped with cooling and cooling dual-mode heat exchange functions. Here, when the air conditioner is in a low-temperature area or in a snowy climate, the user generally adjusts the air conditioner to the heating mode to use the air conditioner to improve the temperature. The temperature of the indoor environment; during the heating process of the air conditioner, the outdoor heat exchanger of the outdoor unit acts as an evaporator that absorbs heat from the outdoor environment. Affected by the temperature and humidity of the outdoor environment, the outdoor heat exchange It is easy to condense a lot of frost on the air conditioner, and when the frost accumulates to a certain...
Claims
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Patent Timeline
Login to view more IPC IPC(8): F24F11/42F24F11/64F25B47/02F25D21/08F24F110/12F24F140/20
CPCF24F11/42F24F11/64F25B47/02F25D21/08F24F2110/12F24F2140/20F25B2347/02F25B2500/31
Inventor 许文明罗荣邦
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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