Air conditioner and dehumidification control method thereof

Abstract

The invention provides an air conditioner and a dehumidification control method thereof. The dehumidification control method of the air conditioner comprises the steps that the target threshold valuetemperature range is determined according to the environment dew point temperature, the air conditioner is controlled to be in a dehumidification mode, the coil pipe detection temperature is kept within the target threshold value temperature range by adjusting the rotation speed of an indoor fan of the air conditioner, and then the dehumidification speed of the air conditioner is increased. The environment dew point temperature changes along with changes of the environment temperature and the environment humidity, therefore, it is guaranteed that the coil pipe temperature of an indoor heat exchanger is kept within the target threshold value temperature range, the condition that the coil pipe temperature of the indoor heat exchanger is too high is avoided, and then the condition that watersteam in indoor air can not be condensed into water is avoided; and meanwhile, the indoor fan can have a high rotation speed to promote air flowing on the condition that the water steam in the indoorair can be condensed into the water, therefore, the dehumidification effect is guaranteed, and the dehumidification speed is increased.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to an air conditioner and a dehumidification control method thereof. Background technique [0002] At present, when the air conditioner is in dehumidification operation, the ambient dew point temperature of the indoor heat exchanger of the air conditioner is not fixed, especially when the air conditioner is in dehumidification operation, the ambient temperature and humidity of the indoor environment are changing. It will change with the process of dehumidification operation, and the evaporation temperature of the indoor heat exchanger will also change with the indoor and outdoor and the operating parameters of the air conditioner. When the evaporation temperature of the indoor heat exchanger is higher than the dew point temperature of the indoor environment, It will greatly reduce the speed of the dehumidification process and affect the dehumidification effect. Contents o...

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Problems solved by technology

[0002] At present, when the air conditioner is running in dehumidification, the ambient dew point temperature of the indoor heat exchanger of the air conditioner is not fixed, especially when the air conditioner is running in dehumidification, the ambient temperature and humidity of the indoor environment are changing. It will change with the process of dehumidification operation, and the evaporation temperature of the indoor heat exchanger will also change with the indoor and outdoor and the operating parameters of the air conditioner. When the evaporation temperature of the indoor heat exchanger is higher than the dew point temperature of the indoor environment, It will greatly reduce the speed of the dehumidification process and affect the dehumidification effect

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