Air conditioner start control method

A power-on control and air-conditioning technology, applied in noise suppression, heating and ventilation control systems, refrigerators, etc., can solve problems such as poor universality and poor user experience, reduce operating noise, improve operating stability, and shorten The effect of cooling/heating time
CN108534322BActive Publication Date: 2021-04-20QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
Publication Date
2021-04-20

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Abstract

The invention relates to the technical field of air conditioners, in particular to a method for controlling the start-up of an air conditioner. The present invention aims to solve the problems of poor universality and poor user experience existing in the existing air conditioner start-up control method. For this purpose, the start-up control method of the present invention includes: obtaining the rotational speed of the internal fan; calculating the closing speed of the expansion valve according to the first fitting formula; Speed: Control the expansion valve to close the valve to the target opening according to the valve closing speed; control the compressor to increase the frequency according to the frequency increase speed at the same time, before or after the expansion valve closes to the target opening according to the valve closing speed. Through the above control method, the start-up control method of the air conditioner of the present invention can improve the universality of the air conditioner and improve the user experience.
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Description

technical field

[0001] The invention relates to the technical field of air conditioners, in particular to a method for controlling the start-up of an air conditioner. Background technique

[0002] With the improvement of living standards, people have higher and higher requirements for the quality of life, and this requirement is particularly evident in household appliances. Taking an air conditioner as an example, in order to meet the needs of users for rapid heating and thus bring users a comfortable experience, when the existing air conditioner is just turned on, the frequency of the compressor is generally increased to a higher frequency (such as frequency to the maximum operating frequency). In the process of the compressor rapidly rising to high frequency, in order to ensure normal oil return, the compressor is usually forced to continue running at a certain or certain fixed frequency (oil return frequency) for a period of time, and continue to increase the frequency a...

Claims

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