Air conditioner defrosting control method

A control method and air conditioner technology, applied in heating and ventilation control systems, refrigerators, refrigeration components, etc., can solve the problems of low efficiency and single defrosting process, achieve fast defrosting operation, reduce impact, and improve back blowing effect of effect

Active Publication Date: 2021-07-30
CHONGQING HAIER AIR CONDITIONER CO LTD +2
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  • 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

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Embodiment Construction

[0017] 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 in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Example. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention.

[0018] The defrosting control method of the present invention is mainly aimed at the air conditioner with dual blowers installed on the outdoor unit. Specifically, the outdoor unit of the air conditioner targeted by the present invention includes an upper fan and a lower fan, and the upper fan and the lower fan can rotate forward or reverse independently.

[0019] refer to figure 1 , figur...

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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 in the present invention is aimed at an air conditioner with dual fans installed on the outdoor unit. The method includes: detecting the current I of the upper fan 上 and the current I of the lower fan 下 ; when I 上 / / Ie≥the first preset value and I 下 / When / Ie≥the first preset value, the air conditioner enters the defrosting mode; after the air conditioner enters the defrosting mode, the upper fan and the lower fan are controlled to stop rotating; after the first set time, only the upper fan is controlled to reverse for the second time 2. Set the time; after the first set time, control the reverse of the lower fan for the second set time, and control the reverse of the upper fan for the third set time; after the second set time, only control the lower fan Reverse the second set time. The present invention matches and controls the reverse rotation of the fan at the corresponding position according to the melting sequence of the frost, thereby accurately blowing off the frost layer and greatly improving 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 an air conditioner defrosting control method. Background technique [0002] As a device that can adjust the indoor ambient temperature, the air conditioner works on the principle that the indoor ambient temperature is reduced or increased by the refrigerant passing through the circulation pipeline through high-pressure / low-pressure / gas / liquid state transitions, that is, from From the perspective of the indoor unit, the air conditioner is in cooling or heating mode. When the air conditioner is in heating operation, if the temperature of the outdoor coil is too low under certain humidity conditions, it will cause frosting, and the frosting of the outdoor coil will reduce the heat exchange efficiency of the outdoor heat exchanger and affect the cooling performance of the air conditioner. The thermal effect reduces the comfort of the indoor environment and affec...

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 许文明王飞付裕罗荣邦丁爽袁俊军张心怡李皖皖李阳董旭
Owner CHONGQING HAIER AIR CONDITIONER CO LTD
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