Control method of air conditioner

A control method and air-conditioning technology, applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc., can solve problems such as poor universality and poor user experience

Active Publication Date: 2018-11-06
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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  • 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 con

Method used

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  • Control method of air conditioner
  • Control method of air conditioner
  • Control method of air conditioner

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Embodiment Construction

[0042] 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.

[0043] 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 control method of an air conditioner. The control method of the air conditioner aims to solve the problems of pooruniversality and poor user experience of an existing control method of the air conditioner. The control method includes the steps that a temperature difference between the indoor ambient temperature and the set temperature is calculated; a valve closing speed of an expansion valve is calculated according to a first fitting formula; an accelerated speed of an external fan is calculated according toa second fitting formula; a frequency ascending speed of a compressor in a frequency ascending stage is calculated according to a third fitting formula; the expansion valve is controlled to be closedto a target opening degree according to the valve closing speed; the external fan is controlled to accelerate to a target rotational speed according to the accelerated speed; and preferably, the compressor is controlled to perform frequency ascending according to the frequency ascending speed when the expansion valve is closed to the target opening degree and the external fan speeds up to the target rotational speed. According to the control mode, the control method of the air conditioner can improve the universality of the air conditioner and improve the use experience of a user.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner control method. 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 cooling / heating and thus bring users a comfortable experience, the existing air conditioners usually increase the frequency of the compressor to a higher frequency ( such as upscaling 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 after the oil return is stable . However, the...

Claims

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Application Information

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IPC IPC(8): F24F11/64F24F11/84F24F11/871F24F11/86
CPCF24F11/64F24F11/84F24F11/86F24F11/871
Inventor 罗荣邦许文明
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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