Control method and device for outlet air temperature of air conditioner indoor unit
An air conditioner indoor unit and air outlet temperature technology, applied in the direction of control input related to air characteristics, space heating and ventilation control input, heating and ventilation control system, etc., can solve the problem of affecting the ability of refrigerant to absorb the heat of outdoor air, Affect people's comfort, drop of air outlet temperature and other issues, to achieve the effect of avoiding low air outlet temperature, improving comfort, and higher air outlet temperature
Active Publication Date: 2015-01-21
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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[0003] Since the refrigerant needs to absorb heat from the outdoor air, when the outdoor temperature gradually decreases, the heat exchange capacity of the outdoor heat exchanger will decrease, and the evaporation pressure of the refrigerant will also decrease, which affects the ability of the refrigerant to absorb heat from the outdoor air. capacity, resulting in a decrease in the heat transferred to the interior
Since the air volume of the indoor unit is constant, even if the indoor return air temperature is kep...
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[0047] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0048] The invention provides a method for controlling the outlet air temperature of an indoor unit of an air conditioner. The current temperature of the heat exchanger is detected by the temperature sensor installed on the copper pipe elbow in the middle of the indoor heat exchanger of the air conditioner. According to the current temperature of the heat exchanger, it is judged whether to adjust the air volume, and the corresponding operation is carried out according to the judgment result, so as to realize fast Reach a higher outlet air temperature and keep it constant.
[0049] refer to figure 1 , figure 1 It is a schematic flowchart of the first embodiment of the method for controlling the outlet air temperature of the indoor unit of the air conditioner according to the present invention.
[0050]The method for...
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The invention discloses a control method and device for the outlet air temperature of an air conditioner indoor unit. The method comprises the first step of receiving a current heat exchanger temperature T2 (n) detected by a temperature sensor arranged in an indoor heat exchanger, and judging whether the absolute value of the difference value between T2 (n) and a heat exchanger temperature T2 (n-1) detected last time is smaller than a preset difference value extreme value D or not, the second step of judging whether T2 (n) is within a preset temperature interval corresponding to an air volume stable region when the inequation |T2 (n)-T2 (n-1)|<D is satisfied, the third step of adjusting the outlet air volume of an air conditioner correspondingly according to the temperature interval corresponding to an air volume adjustment region where T2 (n) is located when T2 (n) is not within the temperature interval corresponding to the air volume stable region. By means of the method, a high outlet air temperature is reached quickly and kept constant, fluctuation of the indoor temperature and the outlet air temperature is reduced, the defect that the outlet air temperature of the air conditioner is low due to a low outdoor temperature is overcome, and the comfort level of users using the air conditioner is improved.
Description
technical field [0001] The invention relates to the technical field of air conditioning, in particular to a method and device for controlling the outlet air temperature of an indoor unit of an air conditioner. Background technique [0002] When the heat pump air conditioner is running in the heating mode, the refrigerant evaporates in the outdoor heat exchanger, exchanges heat with the outdoor air through the heat exchanger, absorbs heat from the outdoor air, and this part of the heat is carried by the refrigerant into the indoor heat exchanger , through the condensation process of the refrigerant in the indoor heat exchanger, heat is released to heat the indoor air, so that people can enjoy a more comfortable environment. [0003] Since the refrigerant needs to absorb heat from the outdoor air, when the outdoor temperature gradually decreases, the heat exchange capacity of the outdoor heat exchanger will decrease, and the evaporation pressure of the refrigerant will also de...
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Login to view more IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/83F24F2110/00
Inventor 黄剑云赖想球郭新生
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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