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Multi-split system

A multi-connection system and indoor unit technology, applied in the field of multi-connection systems, can solve the problems of large bypass noise, large noise, and large pressure difference of the unloading valve, and achieve the effect of improving comfort and reducing noise

Active Publication Date: 2015-07-01
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the relatively large pressure difference between the two ends of the unloading valve, the bypass noise is relatively large, resulting in excessive noise when the indoor unit is switched between modes, which affects the user's comfort.

Method used

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Embodiment Construction

[0027] 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 only for explaining the present invention and should not be construed as limiting the present invention.

[0028] The multi-connection system proposed according to the embodiment of the present invention is described below with reference to the accompanying drawings.

[0029] In the embodiment of the present invention, such as Figure 1 to Figure 10 As shown, the multi-split system includes an outdoor unit device 10 , a distribution device 30 , and a plurality of indoor unit devices such as four indoor unit devices 21 , 22 , 23 , and 24 .

[0030] Wherein, each indoor unit device includes an indoor heat exchanger and a throttling element, an...

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Abstract

The invention discloses a multi-split system. The multi-split system comprises an outdoor unit device, a shunting device and multiple indoor unit devices; each indoor unit device comprises an indoor heat exchanger and a throttling element, and the shunting device comprises multiple first control valves and multiple second control valves corresponding to all the indoor unit devices; when any one of the indoor unit devices receives a mode switching instruction, the indoor unit device transmits the mode switching instruction to the shunting device, and the shunting device judges whether to open or close a first on-off valve and a second on-off valve corresponding to the indoor unit device according to the mode switching instruction. The multi-split system can effectively reduce noise generated in the mode switching process of the indoor unit devices, and improve the comfort of a user.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a multi-connected system. Background technique [0002] With the development of society, people's requirements for air-conditioning technology have also increased accordingly. For example, multi-connected products are required to achieve simultaneous cooling and heating. Therefore, heat recovery multi-connected systems are becoming more and more popular in the market. [0003] At present, there are two-pipe and three-pipe heat recovery multi-split systems in the multi-split air conditioner market. For the two-pipe and three-pipe heat recovery multi-line systems corresponding to different refrigerant switching devices, the unloading valve is usually opened before the operating mode is switched, and the unloading valve is closed after the mode switching is completed. However, since the pressure difference between the two ends of the unloading valve is relatively large, th...

Claims

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Application Information

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IPC IPC(8): F24F1/00F24F11/02
CPCF24F11/62F24F11/89F24F11/30F24F1/0003F24F11/65F24F2221/54F25B41/39F25B41/20F25B49/02F25B13/00F25B29/003F25B2313/006F25B2313/007F25B2313/0233F25B2313/0292F25B2313/0311F25B2500/12F25B2600/2513F25B2600/2519F24F3/06F25B2313/0231F25B2400/23F25B2600/2509
Inventor 陈俊伟杨国忠
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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