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Air conditioner and method for controlling same to defrost

A technology for air conditioners and condensers, applied in heating and ventilation control systems, refrigerators, heating methods, etc., can solve the problems of frequent defrosting, unfavorable energy saving, waste of energy, etc., and achieve the effect of clean defrosting

Active Publication Date: 2012-11-07
HAIER GRP CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above method has the following defects, resulting in too frequent defrosting, even if there is no frost, it will start defrosting, which wastes energy and is not conducive to energy saving

Method used

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  • Air conditioner and method for controlling same to defrost

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Embodiment Construction

[0021] The specific implementation manners of the present invention will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] Such as figure 1 As shown, the present invention sets two defrosting sensors on the condenser, wherein, the first defrosting sensor 1 is located at the outlet of the condenser for detecting the temperature at the condenser outlet; the second defrosting sensor 2 is located at the condenser The middle of the condenser is used to detect the temperature in the middle of the condenser.

[0023] Usually, when heating, the temperature at the outlet of the condenser is the highest, where frost is least likely to form; while the middle part of the condenser usually has the lowest temperature, which is also the area where frost is most likely to form.

[0024] When the various states of the air cond...

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Abstract

The invention relates to the technical field of air conditioners and discloses an air conditioner comprising a condenser, wherein an outlet of the condenser is provided with a first defrosting sensor, and the middle of the condenser is provided with a second defrosting sensor. The invention also discloses a method for controlling the air conditioner to defrost, comprising the following steps of: when the temperature of the outlet of the condenser, detected by the first defrosting sensor, or the temperature in the middle of the condenser, detected by the second defrosting sensor, is lower thana first set temperature, starting the air conditioner to defrost. Two defrosting sensor are adopted to ensures that the air conditioner defrosts in time and prevent the occurrence of the condition that the air conditioner can not defrost due to too thick frost. In addition, the air conditioner can cleanly defrost can still ensure the defrosting effect under the condition of air shortage.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner with timely defrosting and clean defrosting, and a method for controlling its defrosting operation. Background technique [0002] Air conditioners used in high-cold and high-humidity areas, due to the special climate conditions, not only the air temperature is low, but also the humidity is high, and the air conditioners are prone to frost. After the air conditioner is frosted, if the defrosting cycle is too long, there will be a phenomenon of unclean defrosting. The result of unclean defrosting is that the frost will turn into ice, and the ice will accumulate more and more. Moreover, the air conditioners used in these areas are usually started for a long time without shutting down, so this will seriously affect the heating performance and normal use of the air conditioner. The current solution is usually by shortening the defrosting cycle of the air c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B47/00F24F11/00
Inventor 张守信阳必飞张均岩王飞田秀昌
Owner HAIER GRP CORP
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