Air conditioner and air conditioner self-cleaning control method

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, speed up frost condensation rate, ensure cleaning effect, and increase frost condensation amount Effect
CN110873423AActive Publication Date: 2020-03-10CHONGQING HAIER AIR CONDITIONER CO LTD +2
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Patent Information

Authority / Receiving Office
CN · 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 an air conditioner self-cleaning control method, and belongs to the technical field of air conditioners. The control method comprises the steps that thecoil pipe temperature of the air conditioner at a frosting stage when a self-cleaning mode is conducted is obtained; and based on the temperature comparison result of the coil pipe temperature and thefrosting critical temperature, the rotation speed of a draught fan is adjusted, and the rotation speed compensation quantity is determined according to the coil pipe temperature variation. Accordingto the provided air conditioner self-cleaning control method, based on the temperature comparison result of the coil pipe temperature and the frosting critical temperature, the rotation speed of the draught fan at the frosting stage is adjusted; different from an existing draught fan shutdown or fixed rotation speed running manner, the rotation speed of the draught fan is dynamically adjusted andcan be better matched with the temperature changes in the air conditioner, accordingly, the frosting rate at the frosting stage is increased through the changing rotation speed, the actual frosting amount is increased, and accordingly the actual cleaning effect of the self-cleaning mode is guaranteed.
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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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