Control method for air conditioner in heating mode
A control method and technology of heating mode, applied in heating methods, heating and ventilation control systems, refrigerators, etc., can solve problems such as poor user experience and poor universality, and achieve low operating noise, rapid heating, good The effect of using experience
Inactive Publication Date: 2018-09-14
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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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 control methods, the present invention provides a control method for air-conditioning in heating mode. The air conditioner includes a compressor, an expansion valve and an external fan, and the control method includes:
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[0043] 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 third fitting formula of the frequency-up speed of the compressor in the specific implementation is v y = kT ao +b is shown as an example, but the form of this fitting formula is not static, and those skilled in the art can adjust it according to needs, so as to adapt to specific applications. For example, the third fitting formula can also be v y =k Tao +b(0
[0044] 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...
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The invention relates to the technical field of air conditioners, in particular to a control method for an air conditioner in a heating mode. The control method aims to solve the problems that an existing control method for the air conditioner is poor in universality and poor in user experience. In order to achieve the aim, the control method comprises the following steps that outdoor environmenttemperature and outdoor environment humidity are acquired; according to a first fitting formula, the advance starting time of an external fan is calculated; according to a second fitting formula, thevalve closing speed of an expansion valve is calculated; according to a third fitting formula, the frequency rising speed of a compressor in a frequency rising stage is calculated; the external fan iscontrolled to run according to the advance starting time; the expansion valve is controlled to be closed to reach a target opening degree according to the valve closing speed; and preferably, when the running time of the external fan reaches the advance starting time and the expansion valve is closed to reach the target opening degree, the compressor is controlled to undergo frequency rising according to the frequency rising speed. According to the control method, through the control mode, the universality and the heating efficiency of the air conditioner can be improved, and the use experience of a user can be improved.
Description
technical field [0001] The invention relates to the technical field of air conditioners, in particular to a method for controlling an air conditioner in a heating mode. 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...
Claims
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IPC IPC(8): F24F11/86F24F11/871F24F11/70F24F11/64F24F13/24F25B49/02F24F110/12F24F110/22
CPCF24F11/64F24F11/70F24F11/86F24F11/871F24F13/24F24F2110/12F24F2110/22F25B49/022F25B2600/0253F25B2600/2513
Inventor 罗荣邦许文明
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD