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Air conditioning system utilizing external air, its internal air unit, external air unit, laminate

An air-conditioning system and external air technology, which is applied to the air-conditioning system, the energy recovery system for ventilation and heating, and electrical components, etc., can solve the problems that the cooling effect of the internal air of the heat exchanger 221 is small and ineffective.

Active Publication Date: 2015-11-25
FUJI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, in summer, there is a possibility that the cooling effect of the internal air passing through the heat exchanger 221 becomes small or has no effect, or produces a reverse effect.

Method used

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  • Air conditioning system utilizing external air, its internal air unit, external air unit, laminate
  • Air conditioning system utilizing external air, its internal air unit, external air unit, laminate
  • Air conditioning system utilizing external air, its internal air unit, external air unit, laminate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0104] In the second embodiment, an integrated indirect external air refrigeration system is proposed in which the functions of the indirect external air refrigerator 20 and the functions of the general air conditioner 10 are bundled together.

[0105] Thus, the structure of the entire device can be simplified, the device can be made more compact, the cost can be reduced, and the overall power consumption can be expected to decrease.

[0106] figure 2It is a structural diagram of the air conditioning system (integrated air conditioning system) of the second embodiment.

[0107] and, image 3 for figure 2 An enlarged view of a part of the structure.

[0108] Among them, in figure 2 Among them, the cooling object space based on the integrated indirect external air cooling system and figure 1 or Figure 14 The example shown is the same. That is, the indoor space to be cooled is, for example, a server room or the like in which a plurality of server racks 102 mounted with...

Embodiment 3

[0153] The air conditioning system of the third embodiment is used to solve the above-mentioned main problems. That is, to provide an air conditioning system that can use outside air for cooling of an indoor space even when the temperature of the outside air is high.

[0154] Figure 4 It is a structural diagram of the air conditioning system (Part 1) of Embodiment 3.

[0155] Figure 5A , Figure 5B It is a structural diagram of the air-conditioning system (Part 2) of Embodiment 3.

[0156] Image 6 It is a figure which shows the operation model etc. of the air-conditioning system of Example 3.

[0157] Among them, the air-conditioning system of the third embodiment is also an air-conditioning system that utilizes external air for cooling the indoor space like the above-mentioned indirect external-air cooling system, so it is also referred to as an "air-conditioning system utilizing external air".

[0158] Below, first refer to Figure 4 Be explained.

[0159] The air...

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PUM

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Abstract

An air conditioning system using outdoor air has a first heat exchanger, an evaporator, a condenser, and a first fan disposed on the interior side; and a second heat exchanger and a second fan disposed on the exterior side. An expansion valve and a compressor are further provided. An air conditioner has a first piping connected to the evaporator, the condenser, the expansion valve, and the compressor, for circulating a first refrigerant to perform a compression-type refrigeration cycle. An indirect outdoor air cooler has a second piping connected to the first heat exchanger and the second heat exchanger for circulating a second refrigerant to induce a heat exchange in the first heat exchanger between the second refrigerant and the indoor, and to induce a heat exchange in the second heat exchanger between the outdoor air and the second refrigerant.

Description

technical field [0001] The present invention relates to an air conditioning system utilizing outside air. Background technique [0002] Conventionally, a plurality of servers and the like are installed in, for example, a data center or a server room of an enterprise. In such a server room, etc., the room temperature rises due to heat radiation from the servers, and the server runaway or failure may occur due to the rise in the room temperature. Therefore, the server room employs an air-conditioning system that keeps the temperature of the entire room constant. Moreover, this air conditioning system runs almost all the time, even in winter. [0003] In conventional air conditioning systems for such server rooms, in order to stabilize the room temperature of the server room, the low-temperature air (cold air) blown out from the air conditioner and supplied to the server room flows while in contact with the servers in the server racks. Cool down the server. According to thi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F1/00F24F1/06F24F13/00G06F1/20
CPCF24F5/0046F24F1/022F24F12/00F24F13/30F24F2011/0006F25B25/005H05K7/20745Y02B10/20Y02B10/24Y02A30/272
Inventor 高桥正树峰岸裕一郎大贺俊辅
Owner FUJI ELECTRIC CO LTD