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Multiple air conditioner system and its operation and control method

A multi-air conditioner and control unit technology, applied in the field of multi-air conditioner systems, can solve the problems of not knowing the operating status of wall-mounted indoor units, reduced cooling (or heating) capacity, and outdoor units that cannot stably control the compressor, etc.

Inactive Publication Date: 2007-02-21
SAMSUNG ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] However, since this existing multi-air conditioner realizes communication between the vertical indoor unit and the outdoor unit but does not realize communication between the wall-mounted indoor unit and the outdoor unit, only the compression is performed in the wall-mounted indoor unit. The on / off signal of the unit is transmitted to the outdoor unit, so that the outdoor unit does not know the operating status of the wall-mounted indoor unit at all, so when the cooling (or heating) capacity of the wall-mounted indoor unit is insufficient, it cannot adjust the cooling flow to the indoor unit. Agent flow
[0006] In addition, since the operating status of the wall-mounted indoor unit is not known, the compressor cannot be stably controlled in the outdoor unit, and when the wall-mounted indoor unit is connected through a long pipe, there is a problem that the cooling (or heating) capacity is reduced.

Method used

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  • Multiple air conditioner system and its operation and control method
  • Multiple air conditioner system and its operation and control method
  • Multiple air conditioner system and its operation and control method

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Embodiment Construction

[0019] Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

[0020] figure 1 It is a schematic diagram of the refrigerant flow path of the multi-air conditioning system provided according to an embodiment of the present invention, which can perform cooling or heating according to the flow direction of the refrigerant, and the description in the present invention is centered on the refrigerant cycle.

[0021] figure 1 Among them, the multi-air conditioner system provided by the present invention includes an outdoor unit 10 that usually forms a refrigerant cycle, a first indoor unit 50 (vertical indoor unit) and a second indoor unit 70 (wall-mounted indoor unit) connected to the outdoor unit 10 machine).

[0022] The outdoor unit 10 includes: compressors 12a, 12b, used to compress the refrigerant into a high-temperature and high-pressure gas state; a four-way valve 14, used to adjust the flow rate of the compressor ac...

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PUM

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Abstract

The present invention relates to a refrigeration / warming multiple air conditioner system wherein one outdoor unit is connected with several indoor units and its operation and control method, in particular relates to a multiple air conditioner system wherein the running state of the indoor unit is transmitted to the outdoor unit by compressor signal and its operation and control method. Therefore, the invention provides a multiple air conditioner system wherein one outdoor unit is connected with several indoor units, the air conditioner system is characterized in that, it comprises: an electromotive valve adjusting the refrigerant flow into the indoor units; a signal part receiving the compressor signal from at least one indoor unit and transmitting the running state of the indoor unit to the outdoor unit; a control part controlling the opening degree of the electromotive valve based on the running state of the indoor transmitted together with the compressor signal.

Description

technical field [0001] The present invention relates to a multi-air conditioner system for cooling and heating in which multiple indoor units are connected to one outdoor unit, in particular to a multi-air conditioner system and its operation in which the operating state of the indoor unit is transmitted to the outdoor unit by using a compressor signal A control method whereby the refrigerant flow rate in the indoor unit can be appropriately controlled. Background technique [0002] In general, an air conditioner is a device for performing indoor cooling or heating by circulating refrigerant between an indoor unit and an outdoor unit, and absorbing heat from the surroundings when the liquid refrigerant is vaporized and discharging it when it is liquefied. The characteristic of heat performs cooling or heating function, and the cooling or heating function of the air conditioner is determined by the circulation direction of its refrigerant. [0003] C...

Claims

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Application Information

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IPC IPC(8): F24F11/00
CPCF24F11/84F24F11/54F24F11/64F25B41/30F24F2110/10F25B2313/0314
Inventor 李甲烈
Owner SAMSUNG ELECTRONICS CO LTD
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