Control method of air conditioner in refrigeration mode
A control method and technology of cooling mode, applied in the control input involving air characteristics, space heating and ventilation control input, heating and ventilation control system, etc., can solve the problems of long frequency increase time and poor rapid cooling effect, etc.
Active Publication Date: 2019-07-26
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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Problems solved by technology
[0006] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem that the rapid cooling effect is poor due to the long up-frequency time in the existing air-conditioner start-up frequency-up control method, the present invention provides an air conditioner in cooling mode. A control method, the air conditioner includes a compressor, an indoor heat exchanger, an expansion valve, and an outdoor heat exchanger, and the outdoor heat exchanger is equipped with an external fan, wherein 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 present invention is described in conjunction with the implementation of the expansion valve setting two valve closing stages, this arrangement is not static, and those skilled in the art can also use the method of the present invention without departing from the principles of the present invention. Applied to other application scenarios, such as the expansion valve can also set three or more valve closing stages.
[0044] First refer to figure 1 , the method for controlling the air conditioner in the cooling mode of the present invention is introduced. in, figure 1 It is a flow chart of the control method of the air...
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The invention relates to the technical field of air conditioners, in particular to a control method of the air conditioner in a refrigeration mode. The method aims to solve the problem that the fast refrigeration effect is poor due to the long frequency rising time of an existing startup frequency rising control method of air conditioner. In order to achieve the purpose, the control method comprises the steps that an expansion valve is controlled to be continuously closed till a first target opening extent according to a plurality of valve closing speeds and in a staging mode; in the process that the opening extent of the expansion valve reaches the first target opening extent, a compressor of the air conditioner is controlled to be started; and the compressor is controlled to continuouslyraise the frequency according to the set frequency rising speed. According to the arrangement mode, the rising frequency time of the compressor can be greatly shortened while the normal oil return ofthe compressor is ensured, so that the purpose of rapid refrigeration is achieved, the comfort of the air conditioner is improved, and the user experience is improved.
Description
technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner control method in cooling mode. Background technique [0002] In order to meet the needs of users for rapid cooling and bring more comfortable experience, when the existing air conditioners are just turned on, the compressors are generally ramped up quickly to run at a higher frequency. When the compressor is running, the refrigerant in the compressor will be quickly discharged and circulated in the piping system. During the circulation process, the lubricating oil will be discharged from the compressor together with the refrigerant and enter the pipeline. Only when the discharged lubricating oil returns to the compressor smoothly (that is, oil return), can the lubricating oil in the entire system be maintained. Dynamic balance, otherwise, the compressor will be damaged due to lack of oil. For inverter air conditioners, as the operating frequency of ...
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Login to View More IPC IPC(8): F24F11/64F24F11/84F24F11/86F24F11/77F24F110/10F24F110/20
CPCF24F11/64F24F11/77F24F11/84F24F11/86F24F2110/10F24F2110/20Y02B30/70
Inventor 汪亚东张振富
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD