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Method and device for controlling multi-split air conditioner and computer readable storage medium

A control method and technology of a control device, which are applied to heating and ventilation control systems, mechanical equipment, heating and ventilation safety systems, etc. Heating capacity output, heating capacity optimization effect

Active Publication Date: 2018-11-13
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a control method, device and computer-readable storage medium for a one-drag multi-air conditioner, aiming at solving the problem that the initial opening of the electronic expansion valve of the internal unit in the existing one-drag multi-air conditioner system is a fixed value, In different outdoor environments, when the air conditioner is turned on, it cannot be adjusted according to changes in the outdoor environment, resulting in a technical problem that the air conditioner cannot quickly and effectively achieve the best heating capacity

Method used

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  • Method and device for controlling multi-split air conditioner and computer readable storage medium
  • Method and device for controlling multi-split air conditioner and computer readable storage medium

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no. 3 example

[0108] refer to Figure 5 , the present invention provides a third embodiment of a control method of one dragging multiple air conditioners, which is based on all the above-mentioned embodiments, and the control method of one dragging multiple air conditioners further includes:

[0109] Step S40, when the indoor unit is turned on, obtain the preset opening degree of the electronic expansion valve in the unopened indoor unit;

[0110] Step S50, while controlling the electronic expansion valve in the indoor unit to be opened to the initial opening degree, simultaneously controlling the electronic expansion valve in the unopened indoor unit to adjust to the preset opening degree.

[0111] In a one-to-many air conditioner, based on the fact that one or more indoor units can be turned on as needed, when adjusting the indoor unit to be turned on, the electronic expansion valve in the unturned indoor unit is opened to a fixed opening to prevent damage to the unstarted indoor unit , ...

no. 4 example

[0114] refer to Image 6 , the present invention provides a fourth embodiment of a control method of one dragging multiple air conditioners, which is based on all the above-mentioned embodiments, and the control method of one dragging multiple air conditioners further includes:

[0115] Step S60, when the indoor unit to be turned on is turned on, the operation mode of the indoor unit to be turned on is acquired;

[0116] When the operation mode of the indoor unit to be turned on is the heating mode, the step of obtaining the outdoor ambient temperature value and the nominal capacity value of the indoor unit is performed.

[0117] According to the present invention, the one-to-multiple air conditioner operates in the heating mode. Based on the unstable change of the heating mode, when the indoor unit to be turned on is turned on, the operating mode of the indoor unit to be turned on is determined first. The specific operating mode can be determined according to the start comman...

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Abstract

The invention discloses a method for controlling a multi-split air conditioner. The method comprises the following steps that when an indoor unit is started, an outdoor environment temperature value and the nominal capacity value of the indoor unit to be started are acquired; the initial opening degree of an electronic expansion valve in the indoor unit to be started are determined according to the outdoor environment temperature value and the nominal capacity value; and the electronic expansion valve in the indoor unit to be started is controlled to be opened to the initial opening degree. The invention further discloses a device for controlling the multi-split air conditioner and a computer readable storage medium. The initial opening degree of the electronic expansion valve in the indoor unit to be started is determined according to the outdoor environment temperature value and the nominal capacity value, the electronic expansion valve of the indoor unit to be started is controlledto be opened to the initial opening degree, and thus the initial opening degree of the electronic expansion valve of the indoor unit is adjusted according to outdoor environment changes. Therefore, the heating capacity of the multi-split air conditioner is optimized, the heating effect of the multi-split air conditioner is improved, and heating energy output is improved.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to a control method, device and computer-readable storage medium for one-driver-multiple air conditioners. Background technique [0002] One-to-many air conditioners are air conditioners in which one outdoor unit is connected to multiple indoor units. It is mainly applicable to homes. One outdoor unit is connected to the indoor units in each room, reducing the layout and installation of outdoor units. One-to-many air conditioners include heat pump-type one-to-many air conditioners and refrigeration-type one-to-many air conditioners. At present, when the heat pump type is running for heating, when the indoor unit is turned on, the opening of the electronic expansion valve is a fixed initial opening when the outdoor environment is not used. The requirements for the initial opening are different. Based on the existing system, the initial opening of the electronic expansion va...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/84F24F11/64F24F110/12
CPCF24F11/64F24F11/84F24F2110/12
Inventor 王正兴侯泽飞
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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