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Multi-split air conditioner as well as control method thereof and computer readable storage medium

A multi-connected air conditioner and control method technology, which is applied to the control input of air characteristics, space heating and ventilation control input, space heating and ventilation, etc., can solve problems such as poor indoor heating effect, avoid overheating, Guaranteed heating effect

Active Publication Date: 2021-04-27
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a multi-connected air conditioner and its control method and computer-readable storage medium, aiming to solve the problem that the overheating prevention measures of the indoor units in the warm state lead to poor heating effects of other indoor units

Method used

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  • Multi-split air conditioner as well as control method thereof and computer readable storage medium
  • Multi-split air conditioner as well as control method thereof and computer readable storage medium
  • Multi-split air conditioner as well as control method thereof and computer readable storage medium

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no. 1 example

[0067] refer to figure 2 , figure 2 It is the first embodiment of the control method of the multi-connected air conditioner of the present invention, and the control method of the multi-connected air conditioner includes the following steps:

[0068] Step S100, when the indoor unit of the multi-split air conditioner running in the heating mode is in the temperature-up state, control the opening degree of the electronic expansion valve of the target indoor unit in the temperature-up state to decrease to a preset opening degree, and obtain the The indoor temperature of the target indoor unit action space;

[0069] In this embodiment, the execution subject is an outdoor unit or any indoor unit in a multi-connected air conditioner. Each indoor unit is provided with a temperature sensor for detecting the indoor temperature. After the multi-split air conditioner is running, one or more indoor units are in the running state, each running indoor unit obtains the corresponding ind...

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Abstract

The invention discloses a control method for a multi-split air conditioner. The control method for the multi-split air conditioner comprises the following steps: controlling the opening degree of an electronic expansion valve of a target indoor unit in a temperature reached state to reduce to a preset opening degree when an indoor unit of the multi-split air conditioner in an operation heating mode is in a temperature reached state, and obtaining an indoor temperature of a target indoor unit acting space; and adjusting rotation speed of an indoor fan of the target indoor unit according to the indoor temperature and a set temperature corresponding to the target indoor unit, wherein the indoor temperature and the adjusted rotation speed of the indoor fan are in a negative correlation relationship. The invention further discloses a multi-split air conditioner and a computer readable storage medium. While when the multi-split air conditioner adopts overheating prevention measures on the indoor unit in the temperature reached state, heating effect of other indoor units is not affected.

Description

technical field [0001] The present invention relates to the technical field of air conditioners, in particular to a multi-connected air conditioner, a control method thereof, and a computer-readable storage medium. Background technique [0002] A multi-split air conditioner includes an outdoor unit and multiple indoor units. When multiple indoor units are running, the multi-connected air conditioner system will determine whether each indoor unit meets the temperature-reaching condition. If the indoor unit meets the temperature-reaching condition, the indoor unit will enter the temperature-reaching state to stop outputting heat, thereby preventing the indoor unit from The room you are in is overheating. [0003] In the prior art, when multi-connected heating, the indoor unit stops outputting heat by closing the electronic expansion valve. However, in the heating mode, the refrigerant flows from the indoor heat exchanger of the indoor unit to the electronic expansion valve. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/64F24F11/77F24F11/61F24F110/10
CPCF24F11/64F24F11/77F24F11/61F24F2110/10Y02B30/70
Inventor 黄志刚雷俊杰刘群波郭用松朱合华
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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