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Air conditioner and control method and device thereof

A control method and control device technology, applied in refrigeration and liquefaction, refrigerators, refrigeration components, etc., can solve problems such as ambiguity, lack of accuracy, and misjudgment of defrosting startup, so as to improve defrosting efficiency and solve defrosting problems. Activate the effect of blurring the source of the signal and improving the accuracy

Inactive Publication Date: 2017-01-25
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, due to the changeable ambient temperature, the above two judgment methods are always ambiguous and lack of accuracy, which often leads to misjudgment of defrosting start, resulting in a certain waste of power

Method used

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  • Air conditioner and control method and device thereof
  • Air conditioner and control method and device thereof
  • Air conditioner and control method and device thereof

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Embodiment Construction

[0065] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0066] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0067] Refer below Figure 1 to Figure 7 The air conditioner and its control method and control device according to some embodiments of the present invention are described.

[0068] Such as figure...

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Abstract

The invention provides an air conditioner and a control method and device thereof. The control method includes the steps that when the air conditioner is in heating running, the frosting amount of an outdoor unit heat exchanger of the air conditioner is acquired; whether the frosting amount is larger than a preset value or not is judged; when the frosting amount is larger than the preset value, the air conditioner is controlled to get into a defrosting mode. According to the control method of the air conditioner, whether defrosting is started or not is judged according to the frosting amount, generated when the air conditioner is in heating running, of the outdoor unit heat exchanger, and when the frosting amount exceeds a certain threshold value, the air conditioner is controlled to start defrosting; due to the fact that the frosting amount is directly used as a judgment basis, the accuracy of defrosting start judgment of the air conditioner is effectively improved, the problems that in the prior art, a defrosting start signal source of an air conditioner is fuzzy, and start of the defrosting mode cannot be precisely controlled are solved, and then the defrosting efficiency of the air conditioner during low-temperature heating is effectively improved.

Description

technical field [0001] The present invention relates to the technical field of air conditioners, in particular to an air conditioner control method, an air conditioner control device and an air conditioner. Background technique [0002] At present, when the air conditioner is heating in winter, condensation and frost will inevitably occur on the heat exchanger of the outdoor unit, and in severe cases, ice crystals will appear, resulting in a decrease in the heating efficiency of the air conditioner. At present, there are two types of actual defrosting judgments for household air conditioners: 1) Timed defrosting, that is, the defrosting mode is turned on after the air conditioner runs continuously for a fixed time; 2) According to the temperature difference of the thermometer of the indoor unit heat exchanger or the outdoor unit heat exchanger to judge defrosting. Among them, the first type is mostly used for fixed frequency machines, and the second type is mostly used for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B47/00F25B49/02
CPCF25B47/006F25B49/02F25B2347/00
Inventor 赵方亮
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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