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Air conditioning system and control method and control device thereof and storage medium

A technology of an air conditioning system and a control method, applied in the field of air conditioning, can solve problems such as unreasonable distribution of refrigerants and poor heating effect of an internal unit, and achieve the effect of improving experience and ensuring heating capacity

Active Publication Date: 2020-07-31
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the problem in the related technology is that in the main cooling mode, the hydraulic module and the heating internal unit are also used as condensers. Therefore, unreasonable refrigerant distribution is prone to occur, resulting in poor heating effect of the internal unit.

Method used

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  • Air conditioning system and control method and control device thereof and storage medium
  • Air conditioning system and control method and control device thereof and storage medium
  • Air conditioning system and control method and control device thereof and storage medium

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Embodiment Construction

[0032] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0033] The air conditioning system, its control method and device, and storage medium according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0034] figure 1 It is a structural schematic diagram of an air conditioning system according to an embodiment of the present invention. Such as figure 1 As shown, the indoor unit of the air conditioning system in the embodiment of the present application can perform cooling and heating simultaneously. The air-conditioni...

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Abstract

The invention provides an air conditioning system and a control method and a control device thereof and a storage medium. A first electronic expansion valve is arranged at a refrigerant inlet of eachindoor unit. An outdoor unit comprises an outdoor heat exchanger and a first compressor. The first compressor is used for compressing a first refrigerant medium. A second compressor of a hydraulic module is used for compressing a second refrigerant medium. An outlet of the outdoor heat exchanger is connected to an inlet of the first refrigerant medium. The control method comprises the following steps of recognizing main refrigerating operation of the air conditioning system and taking the indoor unit in heating operation as a candidate indoor unit; detecting the condensing temperature of the candidate indoor unit and acquiring the candidate indoor unit with insufficient heating capacity according to the condensing temperature; taking the candidate indoor unit with insufficient heating capacity as a target indoor unit and carrying out heating protection on the target indoor unit; and controlling the second compressor to be reduced to a preset frequency and controlling a second electronic expansion valve to be reduced to a preset aperture to ensure the heating quantity of a heating indoor unit.

Description

technical field [0001] The present invention relates to the technical field of air conditioning, in particular to an air conditioning system, a control method and device thereof, and a storage medium. Background technique [0002] Compared with the traditional heat pump system, the three-pipe heat recovery system can realize that the indoor units in the same system can cool and heat at the same time, without mode conflict. However, the problem in the related technology is that in the main cooling mode, the hydraulic module and the heating inner unit are also used as condensers. Therefore, unreasonable refrigerant distribution is prone to occur, resulting in poor heating effect of the inner unit. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. [0004] Therefore, the first purpose of the present invention is to provide a control of the air conditioning system to ensure the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/89F24F11/88F24F11/64F25B41/00F25B41/06F25B49/02F25B41/325F25B41/40
CPCF24F11/89F24F11/88F24F11/64F25B41/00F25B49/022F25B41/31Y02B30/70
Inventor 程威罗彬丁云霄谭志军张宇晟杨坤
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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