Control method of air conditioner under refrigeration working condition

Abstract

The invention belongs to the field of air conditioners and particularly provides a control method of an air conditioner under a refrigeration working condition. In order to solve the problem that whenthe indoor temperature of an existing air conditioner under the refrigeration working condition reaches the habitual temperature of a user, the difference between the indoor humidity and the habitualhumidity of the user is large, the control method comprises the steps of obtaining a preset startup moment of the air conditioner, correcting the preset startup moment, determining an early startingmoment based on preset air conditioning time and the corrected preset startup moment, acquiring indoor actual temperature T and indoor actual humidity RH, calculating an indoor dew point temperature Tes, comparing the T with Ts and the RH with RHs based on the habitual information of the user, and controlling the frequency of a compressor, the starting degree of a throttling device and the air speed of an indoor fan based on a comparison result and the dew point temperature Tes so as to enable Tp to be matched with the Tes. According to the control method of the air conditioner under the refrigeration working condition, the refrigeration degree and the dehumidification degree can be controlled, so that when the T reaches the Ts, the RH also reaches the standard of the RHs, and the early starting moment is more accurate.

Description

technical field [0001] The invention belongs to the technical field of air conditioners, and specifically provides a method for controlling an air conditioner under cooling conditions. Background technique [0002] As the main equipment for adjusting indoor temperature and humidity, air conditioners have been used by more and more users. During the cooling process of the air conditioner in summer, the coil temperature is low, and the indoor air passes through the coil to reduce the indoor temperature. [0003] While the air conditioner is cooling down, due to the low temperature of the coil, it will also reduce the indoor humidity accordingly due to the phenomenon of condensation. In the northern regions where the summer climate is relatively dry, the humidity is not high enough, and users do not want to dehumidify. However, during the cooling process, due to the unreasonable control of the coil temperature, the indoor humidity is lower, which cannot make the user dehumidif...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above problems in the prior art, that is, in order to solve the problem that the air conditioner cannot accurately control its own parameters according to the actual temperature and humidity in the room under the existing refrigeration working conditions, and then cause when the indoor temperature reaches the user's habitual temperature, In order to solve the problem that the indoor humidity is quite different from the user’s customary humidity, the present invention provides a control method for an air conditioner under cooling conditions. The air conditioner includes a compressor, a throttling device, an indoor fan and an indoor coil. In that, the control method includes:

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