Cold air prevention control method of air conditioner indoor unit

An air conditioner indoor unit and control method technology, applied in heating and ventilation control systems, space heating and ventilation, heating methods and other directions, can solve problems such as obvious noise, affect comfort, affect heating effect, etc., to ensure comfort , Improve heating capacity, control precise effect

Active Publication Date: 2013-01-30
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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Problems solved by technology

[0005] With the above two control methods, there will be switching between different wind speeds. Due to the large difference between different wind speeds, the noise will be more obvious when switching, especially dur

Method used

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  • Cold air prevention control method of air conditioner indoor unit
  • Cold air prevention control method of air conditioner indoor unit

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Embodiment Construction

[0036] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0037] The invention provides a control method for preventing cold wind of an air conditioner indoor unit.

[0038] refer to figure 1 , figure 1 It is a schematic flowchart of an embodiment of a control method for preventing cold wind of an air conditioner indoor unit according to the present invention.

[0039] In an embodiment of the present invention, the control method for preventing cold wind of an air conditioner indoor unit includes the following steps:

[0040] Step S100, measure the indoor temperature T1, and obtain the anti-cold wind shutdown indoor fan temperature T2min and the target coil temperature T2aim according to the indoor temperature T1.

[004...

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Abstract

The invention discloses a cold air prevention control method of an air conditioner indoor unit. The cold air prevention control method of the air conditioner indoor unit comprises the steps of: measuring indoor temperature T1, obtaining the temperature T2 of an indoor fan for preventing stop of the cold air and the temperature T2aim of a target coil according to the indoor temperature T1; measuring the temperature T2 of an indoor coil; judging the relation between the temperature T2 of the indoor coil and the temperature T2 of the indoor fan for preventing stop of the cold air and the temperature T2aim of the target coil, and selecting a fan start mode according to the judgment result. According to the cold air prevention control method of the air conditioner indoor unit, the air conditioner indoor unit gently adjusts the rotating speed of the fan in a self-adapting manner when the air conditioner indoor unit enters a cold air prevention mode to run, and the temperature T2 of the indoor coil is controlled within a demanded value to ensure the air outlet temperature, so that the rotating speed of the air conditioner indoor unit does not frequently fluctuate. The cold air prevention control method is accurate to control; the heating capacity is improved, and the use comfort is ensured.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to a control method for preventing cold wind of an air conditioner indoor unit. Background technique [0002] The current air conditioners with heating function generally have anti-cold air control, the purpose is to prevent the indoor unit from blowing out cold air when the temperature of the indoor coil is low, affecting the user's comfort. At present, there are mainly two anti-cold wind control methods: [0003] The first type is that the indoor unit of the air conditioner is set to several speeds such as high wind, medium wind, low wind, and breeze, among which the breeze is the anti-cold wind speed. When the anti-cold wind enters, it will directly enter the breeze from the set wind. From high wind, medium wind or low wind directly to light wind operation, the change of fan speed is obvious. [0004] The second type, when entering anti-cold wind, the fan speed will de...

Claims

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Application Information

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IPC IPC(8): F24F11/00
Inventor 李大振吴加生张建建
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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