Method for controlling electric heating of air conditioner, control device and air conditioner

Abstract

The invention provides a method for controlling electric heating of an air conditioner. The method comprises the following steps: obtaining the current indoor temperature from a temperature obtaining device which is connected with the air conditioner; judging whether the electric heating function of the air conditioner is opened or not when the air conditioner is at the heating mode and a compressor of the air conditioner is opened; when the electric heating function is opened, comparing the current indoor temperature with the preset indoor temperature and then when the comparison result shows that the current indoor temperature is lower than the preset indoor temperature, obtaining the current operation frequency of the air conditioner and the duration time of the current operation frequency; when the current operation frequency is equal to the maximum target frequency and the duration time reaches the first preset duration time, opening the electric heating function of the air conditioner. Correspondingly, the invention also provides a control device of electric heating of the air conditioner and the air conditioner. By the technical solution of the invention, the heating capacity of the air conditioner is ensured and the electric consumption amount of the air conditioner is reduced, and energy saving of the air conditioner is actually achieved.

Description

technical field [0001] The present invention relates to the technical field of air-conditioning control, in particular, to a method for controlling electric auxiliary heat of an air conditioner, a control device for electric auxiliary heat of an air conditioner, and an air conditioner. Background technique [0002] In order to satisfy users with a comfortable indoor environment at lower temperatures, heat pump air conditioners are generally equipped with electric auxiliary heating devices to make up for the lack of heating capacity of air conditioners at lower temperatures. In addition, the energy efficiency ratio of the air-conditioning heating cycle is always greater than 1, and the maximum efficiency of electric auxiliary heating will not exceed 1. Therefore, intelligent control of the opening and closing of electric auxiliary heating can achieve real energy saving. [0003] At present, the control methods of the electric auxiliary heating device in the heat pump air cond...

AI Technical Summary

Problems solved by technology

Among them, in the process of user control, the operation mode of the air conditioner will only be changed when the user feels uncomfortable, and the comfort is not high; the electronic control is not humanized enough, and the judgment is more complicated, and the room temperature is obtained according to the sensor inside the air conditioner. Especially in the heating process, due to the hot air floating up, there will be a deviation between the temperature collected by the sensor and the actual temperature felt by the user.

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