A kind of control method of air conditioner defrosting mode, computer readable storage medium and air conditioner

Abstract

The invention discloses a control method for a defrosting mode of an air conditioner, a computer readable storage medium, and the air conditioner. When the running time of the heating of the air conditioner meets the accumulative condition of the running time, whether a real-time temperature parameter of the air conditioner meets a defrosting mode switchover condition or not is judged, and then the heating running of the air conditioner is kept in the first time period; and when the accumulative running time of the environment temperature of the air conditioner in temperature intervals is equal to a preset accumulative running threshold value in the first time period, the air conditioner is switched over to the defrosting mode. Therefore, automatic adaption to an external environment, of the air conditioner, is ensured, and defrosting judgement and defrosting time are reasonably adjusted according to the temperature of an environment where an outdoor unit is located, so that the air conditioner is capable of realizing accurate defrosting judgement under different external environments; and meanwhile, the defrosting time control accuracy is effectively ensured, so that the air conditioner is prevented from entering the defrosting mode in advance or entering the defrosting mode with delay or being incapable of entering the defrosting mode.

Description

technical field [0001] The present application relates to the technical field of air conditioners, and in particular, relates to a method for controlling a defrosting mode of an air conditioner, a computer-readable storage medium, and an air conditioner. Background technique [0002] When the air conditioner (heat pump) is heating in winter, frosting is a common phenomenon in the system operation. When the surface temperature of the outdoor heat exchanger is lower than the air dew point temperature, the water vapor in the air will condense, and when the temperature is lower than 0 ℃, condensation will accumulate on the surface of the outdoor heat exchanger to form frost. The increase in the thickness of the frost layer on the surface of the outdoor heat exchanger will not only cause a large additional thermal resistance of the pipe wall, but also narrow the air passage on the coil of the outdoor heat exchanger, thereby increasing the flow resistance of the air, which will le...

AI Technical Summary

Problems solved by technology

At present, there are many existing air-conditioning defrosting methods, such as timing defrosting method, time and temperature combination judgment method, evaporation temperature and ambient temperature difference judgment method, air pressure difference judgment method, etc., but these air-conditioning defrosting control methods Lack of adaptability to changes in the external environment, there are shortcomings such as inaccurate defrosting judgment and low precision of defrosting time control. Inaccurate defrosting judgment will lead to misjudgment, which will make the air conditioner premature or delayed or unable to enter defrosting

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