Multi-split air conditioner, control method and storage medium

A control method and technology for air conditioners, which are applied in air conditioning systems, refrigeration and liquefaction, space heating and ventilation, etc., can solve problems such as inability to heat indoors, and achieve the effect of ensuring continuous heating and enhancing comfort.

Pending Publication Date: 2022-04-15
TCL AIR CONDITIONER ZHONGSHAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a multi-connected air conditioner, a control method and a storage medium to solve the problem in the prior art that the room cannot be heated during the defrosting process

Method used

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  • Multi-split air conditioner, control method and storage medium
  • Multi-split air conditioner, control method and storage medium
  • Multi-split air conditioner, control method and storage medium

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Embodiment Construction

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0052] Embodiments of the present invention provide a multi-connected air conditioner, a control method and a storage medium.

[0053] like figure 1 as shown, figure 1 It is a structural diagram of an embodiment of a multi-connected air conditioner provided by an embodiment of the present invention. The shown multi-connected air conditioner includes a compressor 101, an outdoor heat exchanger 102, a first indoor heat exchanger 103 and a second indoor heat exchanger 103 arrang...

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Abstract

The invention discloses a multi-split air conditioner, a control method and a storage medium, the multi-split air conditioner comprises a compressor, an outdoor heat exchanger and a plurality of indoor heat exchangers arranged in parallel, a first inner refrigerant port of each indoor heat exchanger communicates with the compressor, and a second inner refrigerant port of each indoor heat exchanger is provided with a first control valve; when the multi-split air conditioner is used for heating and defrosting, at least one indoor heat exchanger is communicated with the first outer refrigerant port of the outdoor heat exchanger through the first control valve, and after refrigerant at the high-pressure side refrigerant port of the compressor is subjected to heat exchange through the indoor heat exchangers, throttling is not carried out, and the refrigerant directly enters the outdoor heat exchanger to be defrosted; and the defrosted refrigerant enters the indoor heat exchanger which does not start heating to evaporate after the first control valve corresponding to the indoor heat exchanger which does not start heating, and then returns to the compressor, so that a complete refrigeration cycle is formed, the outdoor heat exchanger is defrosted, and reversing of a four-way valve and switching of a refrigeration mode are not needed. Continuous indoor heating is guaranteed, and comfort is enhanced.

Description

technical field [0001] The present invention relates to the technical field of air conditioners, in particular to a multi-line air conditioner, a control method and a storage medium. Background technique [0002] The typical structure of a multi-connected air conditioning system includes a compressor, a four-way valve, an outdoor unit and multiple indoor units; among them, multiple indoor units are arranged in parallel with each other, and the four-way valve is used to control the high-pressure side of the compressor to communicate with the indoor unit, and the low-pressure side to communicate with the indoor unit. The high pressure side of the compressor is connected to the outdoor unit and the low pressure side is connected to the indoor unit, so that the multi-line air conditioning system can switch between heating and cooling modes. [0003] When the outdoor ambient temperature is lower than the dew point value of the outer ring, frost will form on the outer surface of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F1/0003F24F5/00F24F11/42F24F11/64F24F11/65F24F11/84F24F11/86F24F11/88F25B13/00F24F110/12F24F140/20
CPCF24F1/0003F24F5/001F24F11/42F24F11/64F24F11/65F24F11/84F24F11/86F24F11/88F25B13/00F24F2110/12F24F2140/20
Inventor 盖博黎锦钊
Owner TCL AIR CONDITIONER ZHONGSHAN CO LTD
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