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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

Active Publication Date: 2021-04-20
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problems of poor universality and poor user experience in the existing air-conditioning start-up control methods, the present invention provides a start-up control method for air-conditioners, the air-conditioner includes Compressor, expansion valve, external fan, internal fan, the start-up control method includes:

Method used

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Embodiment Construction

[0034] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention. For example, although the present invention is described in conjunction with the air conditioner operating in cooling mode as an example, this application scenario is not static, and those skilled in the art can also apply the method of the present invention to other application scenarios, such as application and air-conditioning heating mode or dehumidification mode, etc.

[0035] First of all, it needs to be explained that usually air conditioners include an indoor unit and an outdoor unit. Outdoor fan and outdoor heat exchanger, etc. The indoor unit is usually provided with a control system for controlling the work of the air conditioner, s...

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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.

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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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/86F24F11/871F24F11/70F24F11/64F24F13/24F25B49/02
CPCF24F13/24F25B49/022F25B2600/0253F25B2600/2513F24F11/64F24F11/70F24F11/86F24F11/871
Inventor 罗荣邦许文明
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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