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Method and device for detecting frosting of air conditioner outdoor unit

A technology of air conditioner outdoor unit and detection method, which is applied in the direction of control input related to air characteristics, heating mode, mechanical equipment, etc., and can solve the problems of inability to accurately determine whether the air conditioner outdoor unit is frosted, poor heat exchange capacity, and low energy efficiency

Active Publication Date: 2015-11-25
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology

[0005] Embodiments of the present invention provide a frost detection method and device for an outdoor unit of an air conditioner, to at least solve the technical problems of poor heat exchange capability and low energy efficiency due to the inability to accurately determine whether the outdoor unit of an air conditioner is frosted

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  • Method and device for detecting frosting of air conditioner outdoor unit
  • Method and device for detecting frosting of air conditioner outdoor unit
  • Method and device for detecting frosting of air conditioner outdoor unit

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Embodiment Construction

[0028] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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 making creative efforts shall fall within the protection scope of the present invention.

[0029] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a method and device for detecting frosting of an air conditioner outdoor unit. An air pressure sensor is arranged between a condenser and a fan inside the air conditioner outdoor unit. The method comprises the steps of reading an air pressure value, detected by the air pressure sensor, of an air inlet; comparing the air pressure value with a preset threshold value to determine whether the air conditioner outdoor unit is frosted; and when the air pressure value is smaller than the threshold value, determining that the air conditioner outdoor unit is frosted. By means of the method and device, the technical problems of poor heat exchange capacity and low energy efficiency due to the fact that whether the air conditioner outdoor unit is frosted cannot be accurately judged are solved.

Description

technical field [0001] The invention relates to the field of air conditioners, in particular to a method and device for detecting frosting of an outdoor unit of an air conditioner. Background technique [0002] Frosting on the outdoor unit of the air conditioner is a problem that occurs in many household air conditioners. When frost forms outside, it will block the channels between the fins and increase the resistance of air circulation, resulting in a decrease in cold and heat exchange capacity and a decrease in energy efficiency ratio. If the frost is severe, it may cause the outdoor unit not to work normally. Since the outdoor unit cannot work normally, it will directly affect the use of the user and cause certain economic losses to the user. [0003] At present, the mainstream method for air conditioners to detect whether the outdoor unit is frosted is mainly by detecting parameters such as indoor and outdoor ambient temperature and pipe temperature, and judging whethe...

Claims

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Application Information

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IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/41F24F2110/00F24F2110/40
Inventor 刘光有王子郑文成毛跃辉朱云青杨会敏梁博
Owner GREE ELECTRIC APPLIANCES INC
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