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Adjustment method and adjustment system for electronic expansion valve of air conditioner, and air conditioner

A technology of electronic expansion valve and adjustment method, which is applied in the direction of space heating and ventilation, heating and ventilation control system, heating and ventilation safety system, etc. It can solve the problems of fixed and unadjustable adjustment time, achieve short time and keep the system The effect of stable operation

Active Publication Date: 2017-04-19
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides an adjustment method, system and air conditioner of an air conditioner electronic expansion valve, which solves the technical problem in the prior art that the electronic expansion valve adjustment time is fixed and cannot be adjusted according to the change of the wind gear of the fan

Method used

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  • Adjustment method and adjustment system for electronic expansion valve of air conditioner, and air conditioner
  • Adjustment method and adjustment system for electronic expansion valve of air conditioner, and air conditioner
  • Adjustment method and adjustment system for electronic expansion valve of air conditioner, and air conditioner

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Embodiment Construction

[0019] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0020] figure 1 A schematic flowchart of a method for adjusting an air-conditioning electronic expansion valve provided by an embodiment of the present invention is given, as shown in figure 1 shown, including the following steps:

[0021] Step 1, obtain the air volume of the fan before and after the change of the wind gear of the fan, and generate the change value of the air volume of the fan;

[0022] Step 2, obtaining the number of adjustment steps of the electronic expansion valve according to the change value of the air volume of the fan;

[0023] Step 3, adjust the electronic expansion valve by using the number of adjustment steps.

[0024] The method for adjusting the electronic expansion valve of the air ...

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Abstract

The invention particularly relates to an adjustment method and an adjustment system for an electronic expansion valve of an air conditioner, and the air conditioner. The method comprises the following steps: acquiring the air volumes of a fan before and after fan gear change of the fan, and generating an air volume change value of the fan; acquiring the adjustment step number of the electronic expansion valve according to the air volume change value of the fan; and adjusting the electronic expansion valve by virtue of the adjustment step number. According to the method disclosed by the invention, the fan gear change condition of the fan can be rapidly responded during a running process of the air conditioner, thus the opening degree of the electronic expansion valve is accurately adjusted, the refrigerant amount of the system is matched with the heat exchange amount of a heat exchanger, a time needed for adjusting the electronic expansion valve to enable the system to be stable is short, and the stable running of the system can be kept.

Description

technical field [0001] The invention relates to the field of air conditioner control, in particular to an adjustment method and system for an air conditioner electronic expansion valve and an air conditioner. Background technique [0002] When the fan gear of the air conditioner's external unit changes, the heat transfer capacity of the heat exchanger will change, and the system's demand for refrigerant will also change accordingly. Therefore, it is necessary to adjust the electronic expansion valve to adapt to the change in air volume. The current electronic expansion valve adjustment method is adjusted at a fixed time interval according to the degree of superheat, so it may happen that the fan windshield has changed just after the electronic expansion valve opening has been adjusted, and the next adjustment of the electronic expansion valve needs to wait until It can be adjusted after 2 minutes, so there will be a two-minute system refrigerant circulation volume that does ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00F25B49/00
CPCF24F11/30F24F11/70F24F11/84F24F2110/00F24F2110/30F25B49/00F25B2600/2513F25B2700/17
Inventor 张建新
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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