Dual-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 the problems of small air-conditioning cooling and dehumidification requirements, reduced energy efficiency, and 0 latent heat capacity of air-conditioning
CN110736144AActive Publication Date: 2020-01-31HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HISENSE (SHANDONG) AIR CONDITIONING CO LTD
Publication Date
2020-01-31

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Abstract

The invention relates to the field of refrigeration equipment, and discloses a dual-air-duct air conditioner and a dehumidification method and system thereof. By obtaining target temperature Ts and target relative humidity [phi]s set by a user and obtaining indoor ambient temperature Tin, outdoor ambient temperature Tout and indoor relative humidity phi in real time, whether the air conditioner meets parameter conditions for entering into an ultralow-sensible-heat high-latent-heat load area dehumidification mode, a low-sensible-heat high-latent-heat load area dehumidification mode and a medium-high-sensible-heat load area dehumidification mode or not is judged, the rotating speed of an upper fan and the rotating speed of a lower fan are controlled under certain dehumidification mode, thusthe three dehumidification modes can be switched, especially when the dual-air-duct air conditioner operates in the ultralow-sensible-heat high-latent-heat load area dehumidification mode, the upper fan is controlled to operate in a low-air gear to be mainly used for promoting air circulation, the lower fan is controlled to operate at the lowest reliable fan rotating speed to be mainly used for dehumidification, latent heat output of a compressor during low-frequency operation is improved while sensible heat output is lowered, and constant-temperature dehumidification is achieved.
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Description

Technical field

[0001] The present invention relates to the field of refrigeration equipment, in particular to a dual-channel air conditioner and its dehumidification method and system. Background technique

[0002] The total refrigeration capacity Q output during air conditioning cooling or dehumidification is always composed of sensible heat Q and latent heat Q latent. The load during room cooling refers to the sensible heat W and latent heat W latent required to reduce the current temperature and humidity to a certain set temperature and humidity. The sensible heat output by the air conditioner is used to reduce the temperature of the user's room, and the latent heat is used to reduce the relative humidity of the room.

[0003] figure 1 It is a high-humidity city, the typical city is Guangzhou, a typical room type with a fixed area, when the temperature is set at 27℃, and the relative humidity is 50%, the load point (sensible heat) of the room during the period from May 1 to Se...

Claims

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