Air conditioner and self-cleaning control method thereof

A control method and self-cleaning technology, applied in air-conditioning systems, heating methods, space heating and ventilation, etc., can solve problems such as poor self-cleaning effect, and achieve the effect of accelerating the rate of frost condensation and increasing the amount of frost condensation.
CN110873424AActive Publication Date: 2020-03-10CHONGQING HAIER AIR CONDITIONER CO LTD +2
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
CHONGQING HAIER AIR CONDITIONER CO LTD
Publication Date
2020-03-10

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Abstract

The invention discloses an air conditioner and a self-cleaning control method thereof, and belongs to the technical field of air conditioners. The control method includes the steps of obtaining a coiled pipe temperature at the frosting stage of the air conditioner operating in the self-cleaning mode, adjusting the rotating speed of a fan on the basis of the temperature comparison result of the coiled pipe temperature and a frosting critical temperature and the variation of the coiled pipe temperature, and determining the compensation quantity of the rotating speed according to the variation ofthe coiled pipe temperature. By means of the self-cleaning control method of the air conditioner, the rotating speed of the fan at the frosting stage can be adjusted on the basis of the temperature comparison result of the coiled pipe temperature and the frosting critical temperature and the variation of the coiled pipe temperature; different from an existing operating mode that a fan stops or rotates at a fixed rotating speed, the dynamically-adjusted rotating speed of the fan can be better matched with the temperature variation in the air conditioner; and by means of the varying rotating speed, the frosting rate at the frosting stage is increased, the actual frosting quantity is increased, and therefore the actual cleaning effect of the self-cleaning mode is ensured.
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Description

technical field

[0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner and a self-cleaning control method thereof. Background technique

[0002] When the air conditioner is running in the cooling or heating mode, the air in the external environment enters the inside of the body along the air inlet, and is blown back into the external environment through the air outlet after the heat exchange fins exchange heat. In this process, all the air in the air Impurities such as dust and large particles will also enter the interior of the indoor unit along with the air intake. Although the dust filter installed at the air inlet of the air conditioner can filter most of the dust and particles, there will still be a small amount of tiny dust It cannot be completely blocked and filtered. With the long-term use of the air conditioner, these dusts will gradually deposit and adhere to the surface of the heat exchange fins. Due to the poo...

Claims

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