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Air conditioner and control method thereof

A control method and air conditioner technology, applied in heating and ventilation control systems, heating methods, high-efficiency adjustment technology, etc., can solve the problem of air conditioner refrigerant flow noise and exhaust temperature fluctuations, slow response speed of electronic expansion valve opening, and reduced User comfort and other issues, to achieve fast response, avoid refrigerant flow noise, and avoid exhaust temperature fluctuations

Inactive Publication Date: 2020-11-13
HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In related technologies, the response speed of the electronic expansion valve opening of the air conditioner is relatively slow, which leads to obvious problems such as refrigerant flow noise and exhaust temperature fluctuations in the air conditioner. On the one hand, it will affect the energy efficiency of the air conditioner. , will reduce user comfort

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  • Air conditioner and control method thereof
  • Air conditioner and control method thereof
  • Air conditioner and control method thereof

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary, and embodiments of the present invention are described in detail below.

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0024] The air conditioner in the present application performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle consists of a series of processes involving compression...

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Abstract

The invention discloses an air conditioner and a control method thereof. The control method of the air conditioner comprises the following steps of determining a frequency change value of a compressoraccording to a first compressor frequency before the compressor runs for a first preset time and a second compressor frequency after the compressor runs for the first preset time; determining an exhaust temperature difference value according to an actual exhaust temperature of the compressor; according to the frequency change value and the exhaust temperature difference value, determining an opening degree adjusting value of an electronic expansion valve, and the opening degree adjusting value = proportionality coefficient * the exhaust temperature difference value + integral coefficient * exhaust temperature difference value change integral value + the frequency change value * frequency change coefficient * outdoor environment temperature coefficient; and obtaining a target opening valueof the electronic expansion valve according to the opening adjustment value. According to the air conditioner control method, the response speed of the opening degree of the electronic expansion valve is high, the problems of refrigerant flowing noise, exhaust temperature fluctuation and the like of the air conditioner can be avoided, and the use comfort of a user is guaranteed.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner and a control method thereof. Background technique [0002] In related technologies, the response speed of the electronic expansion valve opening of the air conditioner is relatively slow, which leads to obvious problems such as refrigerant flow noise and exhaust temperature fluctuations in the air conditioner. On the one hand, it will affect the energy efficiency of the air conditioner. , will reduce user comfort. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a control method for an air conditioner, so that the response speed of the opening of the electronic expansion valve is faster, thereby avoiding problems such as refrigerant flow noise and exhaust temperature fluctuation, and improving user expe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/64F24F11/61F24F11/86F24F11/84F24F11/77F24F11/871F24F110/12F24F140/20
CPCF24F11/61F24F11/64F24F11/77F24F11/84F24F11/86F24F11/871F24F2110/12F24F2140/20Y02B30/70
Inventor 余祥云王新民
Owner HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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