Constant air volume air conditioner and its control method
A control method and constant air volume technology, applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc. Reduce the flow area and other problems to achieve the effect of improving stability and improving the effect of cooling and heating
Active Publication Date: 2017-06-30
MIDEA GRP CO LTD
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Problems solved by technology
When the upper and lower air deflectors change the air supply angle and are not at the maximum opening position, the effective flow area of the air outlet of the indoor unit decreases and the air supply resistance increases due to the shielding of the upper and lower air deflectors, which will cause indoor The air supply volume of the machine is reduced
Since the cooling and heating effect of the air conditioner is positively related to the air supply volume of the indoor unit, when the air supply volume of the indoor unit is reduced, the cooling and heating effect of the air conditioner is bound to be reduced, thereby reducing the cooling and heating speed of the air conditioner and comfort
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[0046] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0047] see figure 1 , Figure 3-1 to Figure 3-4 as well as Figure 4-1 to Figure 4-3 , which discloses the first embodiment of the air conditioner with constant air volume of the present invention. The air conditioner in this embodiment is a split wall-mounted air conditioner, including an indoor unit and an outdoor unit. The indoor unit includes a heat exchanger 110, an indoor fan 120, a fan A duct system 130 , an air outlet 140 , an air guiding device 150 , a driving device 160 and a control device 170 . The air guiding device 150 is disposed in the air outlet 140 and includes a horizontal air guiding device 151 and a longitudinal air guiding device 152 . The driving device 160 includes a horizontal stepping motor 161 and a vertical stepping motor 162, and the horizontal stepping motor 161 and the vertical steppi...
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The invention discloses an air conditioner with constant air volume and its control method. In the storage module of the air conditioner, an indoor fan is preset at the standard operating speed Nb, and the air guiding device is at the maximum air outlet position and deviates from the maximum air outlet position. The basic parameter data related to the air supply volume when the maximum position is reached, the analysis and processing module of the air conditioner calls and stores the basic parameter data and obtains the compensation speed of the indoor fan according to the offset of the air guide device from the maximum air outlet position, and the analysis and processing module Adjust the speed of the indoor fan according to the compensation speed. Because the air conditioner with constant air volume of the present invention uses its control method to obtain the compensation speed of the indoor fan by calling the basic parameter data and according to the offset of the air guiding device, and then adjust the speed of the indoor fan according to the compensation speed to change the size of the air supply air volume, Therefore, the constant air volume of the air supply is maintained, thereby improving the stability of the air supply air volume of the air conditioner and improving the cooling and heating effects of the air conditioner.
Description
technical field [0001] The invention relates to the technical field of air conditioning, in particular to an air conditioner with constant air volume and a control method thereof. Background technique [0002] With the continuous improvement of people's living standards, the use of air conditioners has become particularly popular. At the same time, the cooling and heating effects and comfort of air conditioners have gradually become the focus of attention of users. When the air conditioner is cooling or heating, the indoor wind wheel of the indoor unit runs at a constant speed, and the upper and lower air deflectors of the indoor unit swing up and down continuously or stay at a specific angle to change the air supply of the indoor unit. area and wind direction. When the upper and lower air deflectors change the air supply angle and are not at the maximum opening position, the effective flow area of the air outlet of the indoor unit decreases and the air supply resistance ...
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IPC IPC(8): F24F11/00
Inventor 游斌吕艳红
Owner MIDEA GRP CO LTD