Air conditioner defrosting control method

A control method and technology for air conditioners, applied in heating and ventilation control systems, refrigerators, refrigeration components, etc., can solve problems such as low efficiency and single defrosting process, achieve rapid defrosting operation, reduce the number of blowbacks, reduce effect of influence

Active Publication Date: 2021-10-29
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the defrosting process, there is a lack of auxiliary means to speed up the defrosting efficiency, resulting in a single defrosting process and low efficiency

Method used

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  • Air conditioner defrosting control method
  • Air conditioner defrosting control method

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Embodiment Construction

[0018] In order to make the embodiments, the technical solutions, and advantages of the present invention, the technical solutions of the present invention will be apparent from the accompanying drawings. Embodiment. It will be understood by those skilled in the art that these embodiments are intended to illustrate the technical principles of the present invention, and are not intended to limit the scope of the invention.

[0019] The defrosting control method of the present invention is mainly directed to an air conditioner having a bypass frost circuit. It will be understood by those skilled in the art that the bypass defrosting circuit of the air conditioner is disposed between the compressor of the air conditioner and the outdoor machine, which is used to introduce high pressure gases discharged in the compressor into the outdoor unit to melt the outdoor machine coil. Cream layer. Specifically, in a state where the bypass circuit is opened, the high pressure gas discharged in ...

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Abstract

The invention belongs to the technical field of air conditioners, and in particular relates to an air conditioner defrosting control method. In order to improve the defrosting efficiency of the air conditioner, the air conditioner defrosting control method proposed by the present invention is aimed at the air conditioner with a bypass defrosting circuit, and the method includes the following steps: when the air conditioner needs to enter the defrosting mode, control the outdoor fan Stop rotating and open the bypass defrosting circuit; after the outdoor fan stops rotating for the first set time, control the outdoor fan to reverse for the second set time; when the outdoor fan reverses for the second set time, according to t 上 , t 中 and t 下 At least one of them selectively controls the outdoor fan to reverse for a second set time; when the outdoor fan is reversed, close the bypass defrosting circuit, and after the outdoor fan reverses for a second set time, time t Open the bypass defrosting circuit; the time t is determined according to the indoor temperature. The invention can more accurately control the reverse timing of the outdoor fan, and greatly improve the defrosting efficiency of the air conditioner.

Description

Technical field [0001] The present invention belongs to the technical field of air conditioners, and more particularly to an air conditioner defrost control method. Background technique [0002] The air conditioner is an apparatus capable of modulating an indoor ambient temperature, and its working principle is that the indoor ambient temperature is lowered or elevated by the refrigerant through high pressure / low pressure / gaseous / liquid state transition. At the perspective of an indoor unit, the air conditioner is in a cooling or heating condition. When the air conditioner is hot, if the temperature of the outdoor coil temperature will result in frosting cases, the outdoor discharge efficiency is lowered, and the outdoor heat exchanger is lowered. Thermal effects reduce the comfort of the indoor environment, affecting the user experience. Therefore, in the case where the air conditioner is in the heating conditions, the outdoor coil of the air conditioner needs to be in tim...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/42F24F11/64F24F11/61F24F11/65F25B47/02F24F140/20
CPCF25B47/025F25B2347/02F24F11/42F24F11/61F24F11/64F24F11/65F24F2140/20
Inventor 许文明王飞张心怡袁俊军付裕罗荣邦
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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