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Operation control method, operation control device, air conditioner and storage medium

A technology of operation control and air conditioner, which is applied in space heating and ventilation, heating and ventilation control system, and control input related to air characteristics, etc. problems, to achieve the effect of reducing adjustment time, increasing speed, and increasing flow speed

Active Publication Date: 2021-07-30
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when the air conditioner is turned off, the control method of the electronic expansion valve is to stop at the current opening. Since the opening of the shutdown is very random, the refrigerant will migrate under the action of the pressure difference and temperature after the shutdown. When shutting down, if the machine is shut down at a small flow rate, it will affect the migration speed of the refrigerant, which is not conducive to quickly giving a suitable control logic when the machine is turned on next time, thus affecting the cooling or heating effect of the machine.

Method used

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  • Operation control method, operation control device, air conditioner and storage medium
  • Operation control method, operation control device, air conditioner and storage medium
  • Operation control method, operation control device, air conditioner and storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] The indoor unit includes an indoor heat exchanger 101 and a corresponding indoor fan 102, and the outdoor unit includes an outdoor heat exchanger 201 and a corresponding outdoor fan 202. It is detected that the temperature at a designated position on the heat exchanger corresponding to the fan meets the preset adjustment condition , specifically includes: Step 202: both the indoor fan 102 and the outdoor fan 202 continue to run, and detect the first tube temperature of the indoor heat exchanger 101 and the second tube temperature of the outdoor heat exchanger 201, so as to compare the first tube temperature with the second tube temperature The second pipe temperature is determined as the temperature at the specified location; if it is detected that the difference between the first pipe temperature and the room temperature is less than or equal to the first threshold, and / or the difference between the second pipe temperature and the outdoor temperature is less than or equa...

Embodiment 2

[0056] Such as image 3 As shown, on the basis of Embodiment 1, the specific determination of the adjustment time of the throttling device is as follows: at the specified time within the time period from the start time to the end time, the opening degree of the throttle device 40 is controlled to adjust to the specified opening degree , specifically includes: Step 302: Determine the initial time as the specified time, so as to adjust the opening degree of the throttling device 40 to the specified opening degree in response to the shutdown command.

[0057] In this embodiment, the time when the shutdown command is acquired is determined as the designated time. At this time, the opening degree of the throttling device 40 is adjusted to the designated degree, so that the refrigerant continues to flow between the outdoor unit and the indoor unit, so that the indoor unit The refrigerant between the outdoor unit continues to exchange heat between the outdoor heat exchanger 201 and t...

Embodiment 3

[0059] On the basis of Embodiment 1 or Embodiment 2, the adjustment time of the throttling device is specifically determined as: at a designated time within the time period from the start time to the end time, the opening degree of the throttle device 40 is controlled to be adjusted to a designated opening. degree, specifically including: determining the moment reached after a preset time period from the starting moment as the designated time, so as to adjust the opening degree of the throttling device 40 to the designated degree at the designated time, wherein the preset time length is less than the time period duration of .

[0060] In this embodiment, the moment reached after the preset time period is determined as the specified time after the shutdown command is obtained, and the preset time length is less than the duration of the time period, because the refrigerant between the outdoor unit and the indoor unit is in the room at this time. The heat exchanger 101 and the ou...

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Abstract

The present invention provides an operation control method, an operation control device, an air conditioner, and a storage medium, wherein the operation control method is suitable for an air conditioner, and the air conditioner includes an indoor unit and an outdoor unit, and a designated flow between the indoor unit and the outdoor unit is connected. There is a throttling device on the road, and the operation control method includes: during the operation of the air conditioner, in response to the shutdown command, control the compressor to stop running, and control the fan in the air conditioner to continue to run; detect the heat exchanger installed corresponding to the fan When the temperature at the specified location on the screen meets the preset adjustment conditions, the fan is controlled to stop running; the time when the shutdown command is obtained is determined as the starting time, and the time when the fan stops running is determined as the ending time, and the time from the starting time to the ending time At the specified moment in the section, adjust the opening of the throttling device to the specified opening, so that the refrigerant flows between the outdoor unit and the indoor unit through the throttling device. Through the technical scheme of the invention, the cooling or heating speed of the air conditioner is improved.

Description

technical field [0001] The present invention relates to the technical field of air conditioner control, in particular to an operation control method, an operation control device, an air conditioner and a computer-readable storage medium. Background technique [0002] At present, when the air conditioner is turned off, the control method of the electronic expansion valve is to stop at the current opening. Since the opening of the shutdown is very random, the refrigerant will migrate under the action of the pressure difference and temperature after the shutdown. When shutting down, if the machine is shut down at a small flow rate, it will affect the migration speed of the refrigerant, which is not conducive to quickly giving a suitable control logic when the machine is started up next time, thus affecting the effect of cooling or heating when it is started up. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/86F24F11/77F24F11/64F24F11/84F24F11/61F24F110/10F24F140/20
CPCF24F11/61F24F11/64F24F11/77F24F11/84F24F11/86F24F2110/10F24F2140/20Y02B30/70
Inventor 徐振坤朱兴丹白崇俨杜顺开
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD