Double air duct air conditioner, and dehumidification method and system thereof
A dual-air duct, air-conditioning technology, applied in air-conditioning systems, heating and ventilation control systems, heating and ventilation safety systems, etc., can solve problems such as loss of dehumidification capability, rising cost of the whole machine, and reduction of sensible heat content.
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example 1
[0082]When the air-conditioning refrigeration automatic wind speed or dehumidification operation, the parameters are set as: ΔR = 5rpm, Δr = 10rpm, T1 = 10°C, T2 = 5°C, E1 = 0.5°C, E2 = 3°C, the lowest speed of the lower fan for reliable operation is 100rpm, the minimum speed for reliable operation of the upper fan is 50rpm, φ1=80%, φ2=20%, Te2=5°C, Te1=0°C, t1=10min, t2=5min, Tout1=30°C, N2=50, Fmax=80Hz. The indoor ambient temperature Tin is 30°C, the indoor relative humidity φ is 92%, and the outdoor ambient temperature is 35°C. The target temperature Ts is 25°C, and the target relative humidity φs is 50% (if the relative humidity cannot be set, the default is 65%). At this time, the target temperature difference E=Tin-Ts=30°C-25°C=5°C>3°C ( E2), φ=92%>80% (φ1), Tout=35°C>30°C (Tout1) meet the definition of medium and high sensible heat load area, then enter the dehumidification mode of medium and high sensible heat load area. Indoor unit: Control the gears of the upper f...
example 2
[0086] When the air conditioner is running with automatic cooling wind speed or dehumidification, the room temperature Tin is 25.5°C, the relative humidity φ is 85%, the set temperature Ts is 25°C, and the set relative humidity φs is 55% (if the relative humidity cannot be set, then Default 65%) Te1 = 0°C, Te2 = 5°C, N1 = 25, E3 = -2°C, other parameter settings are the same as Example 1. At this time, the target temperature difference E = Tin - Ts = 25.5°C - 25°C = 0.5°C ≤ 0.5°C (E1), φ - φs = 85% - 60% > 10% (φ2), in line with the ultra-low sensible heat and high latent heat load area If defined, it enters the dehumidification mode in the ultra-low sensible heat and high latent heat load area. Indoor unit: Control the upper fan to run at a reliable minimum speed of 50rpm; control the lower fan to run at a reliable minimum speed of 100rpm. 10 minutes later, if the detected temperature of the upper evaporator 3 Te_up=2°C>0°C (Te1) and 0°C (Te1) and <5°C (Te2), control the spee...
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