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Air conditioner defrosting control method and device

A control method and technology of a control device, which are applied in the directions of space heating and ventilation, heating and ventilation control systems, refrigerators, etc., can solve the problems of poor heating effect and comfort of air conditioners, and improve heating effect and comfort. Effect

Active Publication Date: 2015-11-25
珠海格力机电工程有限公司
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Problems solved by technology

[0005] The main purpose of the present invention is to provide an air conditioner defrosting control method and device to solve the problem of poor heating effect and comfort of the air conditioner in the related art

Method used

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  • Air conditioner defrosting control method and device

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Embodiment Construction

[0022] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0023] In order for those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiment is only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall belong to the protection scope of the present invention.

[0024] It should be noted that the terms "first" and "sec...

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Abstract

The invention discloses an air conditioner defrosting control method and device. The air conditioner defrosting control method comprises the steps of acquiring tube temperature of an air conditioner outdoor heat exchange tube once at interval of a preset time, wherein first tube temperature of the air conditioner outdoor heat exchange tube is acquired at a first moment, second tube temperature of the air conditioner outdoor heat exchange tube is acquired at a second moment, and the interval between the first moment and the second is the preset time; calculating a temperature difference between the first tube temperature and initial tube temperature to acquire a first tube temperature difference, and calculating a temperature difference between the second tube temperature and the initial tube temperature to acquire a second tube temperature difference, wherein the initial tube temperature is acquired tube temperature of the air conditioner outdoor heat exchange tube before the first moment; judging whether the first tube temperature difference and the second tube temperature difference both meet preset conditions or not; and controlling an air conditioner to defrost if the first tube temperature difference and the second tube temperature difference both are judged to meet the preset conditions. By adopting the air conditioner defrosting control method and device, the problems of poorer heating effect and poorer comfort of an air conditioner in a correlation technique are solved.

Description

technical field [0001] The invention relates to the field of air conditioners, in particular to an air conditioner defrosting control method and device. Background technique [0002] At present, in related technologies, commonly used air conditioner defrost control generally uses detection of the refrigerant temperature of the heat exchange tube on the evaporating side of the air conditioner outdoor unit to control whether the air conditioner enters and exits defrost. Wherein, when it is detected that the refrigerant temperature of the heat exchange tube on the evaporating side of the air conditioner outdoor unit is less than or equal to the first preset temperature, the air conditioner enters defrosting; 2. When the preset temperature is reached, or when the defrosting time of the air conditioner reaches the preset time, the air conditioner will quit defrosting. [0003] However, if the above-mentioned control method is used to control the defrosting of the air conditioner...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00F25B47/00
Inventor 李毛古李志强汪俊勇曹勇何国军聂旺辉
Owner 珠海格力机电工程有限公司
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