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Air conditioner defrosting control method

A control method and technology for air conditioners, which are applied in heating and ventilation control systems, refrigerators, refrigeration components, etc., can solve the problems of single defrosting process and low efficiency, reduce the number of blowbacks, quickly defrost operations, improve The effect of defrosting efficiency

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, technical solutions and advantages of the present invention more obvious, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some of the embodiments of the present invention, not all of them. Example. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0019] The defrosting control method of the present invention is mainly aimed at an air conditioner with a bypass defrosting circuit. It can be understood by those skilled in the art that the bypass defrosting circuit of the air conditioner is provided between the compressor of the air conditioner and the outdoor unit, and is used to introduce the high-pressure gas discharged from the c...

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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. The method includes: when the air conditioner needs to enter the defrosting mode, control the outdoor fan to 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; time t according to t 上 , t 中 , t 下 The average value is determined. The invention can accurately control the reverse timing of the outdoor fan, and greatly improve the defrosting efficiency of the air conditioner.

Description

technical field [0001] The invention belongs to the technical field of air conditioners, and in particular relates to a defrosting control method for an air conditioner. Background technique [0002] As a device that can adjust the indoor ambient temperature, the air conditioner works as follows: the indoor ambient temperature is lowered or raised by the refrigerant passing through the high-pressure / low-pressure / gaseous / liquid state transition between the circulating pipelines, that is, from From the perspective of the indoor unit, the air conditioner is in cooling or heating mode. When the air conditioner is running for heating, under certain humidity conditions, if the temperature of the outdoor coil is too low, it will cause frost, and the frost on the outdoor coil will reduce the heat exchange efficiency of the outdoor heat exchanger and affect the performance of the air conditioner. The thermal effect reduces the comfort of the indoor environment and affects the user e...

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 许文明罗荣邦
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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