JP6271128B2 - Air conditioning system - Google Patents

Description

  The present invention relates to an air conditioning system. In detail, it is related with the air-conditioning system which air-conditions two chambers arrange | positioned up and down integrally.

Conventionally, an air conditioning system that air-conditions two chambers arranged vertically is known.
For example, an air conditioning system (see Patent Document 1) in which a server is accommodated in an upper floor room and an uninterruptible power supply is accommodated in a lower floor room has been proposed.
In the air conditioning system described in Patent Document 1, vents are provided over the entire upper floor (lower ceiling), and cooling air is supplied to the lower floor rooms. After cooling the uninterruptible power supply on the lower floor, this cooling air flows into the upper floor room through the vent and cools the upper floor server.

JP 2012-78056 A

  However, in the above air conditioning system, the cooling air supplied to the lower floor is mixed with the exhaust on the lower floor and warmed to some extent. Therefore, there is a problem that this warmed cooling air flows into the upper floor and the cooling effect is lowered.

  An object of this invention is to provide the air-conditioning system which can prevent that a cooling effect falls, when air-conditioning two space of an upper and lower floor integrally.

  The air conditioning system according to claim 1 (for example, air conditioning systems 1, 1A, 1B described later) is an air conditioning system that air-conditions two spaces (for example, rooms 20, 30 described later) on the upper and lower floors. Each floor has a cooling object (for example, a server 2 and cubicle 3 described later) to be cooled, and an exhaust chamber (for example, an exhaust chamber 11 described later) provided behind the ceiling of the upper floor. An exhaust shaft (for example, exhaust shafts 12 and 12B described later) that penetrates the floor from the lower floor to the exhaust chamber, and an air supply device (for example, described later) that sends cooling air to at least the lower floor The lower floor cooling object exhausts heat to the exhaust shaft, and the air supply device is provided on the lower floor wall to blow cooling air to the lower floor. Wall blowing Knit (for example, a wall blowing unit 13 described later), a ceiling blowing unit (for example, a ceiling blowing unit 17 described later) that is provided on the ceiling of the upper floor and blows cooling air to the upper floor, and the floor of the upper floor And a floor vent (for example, a floor vent 18 to be described later) that communicates between the upper floor and the lower floor.

According to the present invention, warm air discharged from at least the object to be cooled on the lower floor is collected in the exhaust chamber through the exhaust shaft. Thereafter, at least a part of the air in the exhaust chamber is blown into the room by the wall blowing unit or the ceiling blowing unit to cool the object to be cooled. In this way, the two spaces on the upper and lower floors are integrally air-conditioned.
Here, since the object to be cooled on the lower floor is exhausted to the exhaust shaft, it is possible to prevent the cooling air from being mixed with the exhaust on the lower floor and to prevent the cooling effect from being lowered.
In addition, since the blowout unit, which is an air conditioner, is provided on the wall or ceiling, the indoor space on each floor can be used more effectively than when the air conditioner is installed indoors.

  Further, when the air in the exhaust chamber is blown into the room by the blowing unit, the air in the exhaust chamber may be cooled by mixing with the outside air in the mixing chamber or passing through a cooling coil.

The air conditioning system according to claim 1 is characterized in that the object to be cooled on the upper floor is exhausted to the exhaust shaft.

  According to the present invention, the object to be cooled on the upper floor is also exhausted to the exhaust shaft, so that the cooling air is not mixed with the exhaust even on the upper floor, and the cooling effect can be prevented more reliably.

The air conditioning system according to claim 1 is characterized in that a movable partition wall (for example, a partition wall 40 described later) is provided on at least one of the upper and lower floors.

  According to the present invention, the server room and the electric room can be freely arranged at arbitrary positions on the upper and lower floors, so that the area ratio between the server room and the electric room can be set optimally. For example, the area of the electrical room can be minimized and the area of the server room can be maximized.

The air conditioning system of the present invention (for example, an air conditioning system 1C described later) is an air conditioning system that air-conditions two spaces on the upper and lower floors (for example, rooms 20 and 30 described later), and each of the upper and lower floors is cooled. An object to be cooled (for example, a server 2 and cubicle 3 to be described later) is accommodated, and an exhaust chamber (for example, an exhaust chamber 11 to be described later) provided on the ceiling of the upper floor is connected to the upper floor from the lower floor. An air supply shaft (for example, an air supply shaft 50 described later) penetrating the floor of the floor to the upper floor, and an air supply device (for example, a wall outlet unit 13 described later) for sending cooling air to at least the lower floor the provided, the air supply apparatus, the wall outlet unit said provided under floor wall blows cooling air to the bottom floor (e.g., a wall outlet unit 13 to be described later) is preferably provided with.

According to this invention, the cooling air blown out to the lower floor is supplied to the upper floor through the air supply shaft. In this way, the two spaces on the upper and lower floors are integrally air-conditioned.
Therefore, it is possible to prevent the cooling air from being mixed with the exhaust on the upper floor and to prevent the cooling effect from being lowered.
Moreover, since the blowout unit, which is an air conditioner, is provided on the wall, the indoor space on each floor can be used more effectively than when an air conditioner is installed indoors.

  According to the present invention, it is possible to prevent the cooling air from mixing with the exhaust on the upper floor and the lower floor, and to prevent the cooling effect from being lowered. In addition, since the blowout unit, which is an air conditioner, is provided on the wall or ceiling, the indoor space on each floor can be used more effectively than when the air conditioner is installed indoors.

It is sectional drawing of the air conditioning system which concerns on 1st Embodiment of this invention. It is sectional drawing of the air conditioning system which concerns on 2nd Embodiment of this invention. It is sectional drawing of the air conditioning system which concerns on 3rd Embodiment of this invention. It is sectional drawing of the air conditioning system which concerns on the reference example of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description of the embodiments, the same constituent elements are denoted by the same reference numerals, and the description thereof is omitted or simplified.
[First Embodiment]
FIG. 1 is a cross-sectional view of an air conditioning system 1 according to the first embodiment of the present invention.

The air conditioning system 1 air-conditions a two-tier data center having a server room on the upper floor and a server room or an electrical room on the lower floor.
Specifically, the air conditioning system 1 air-conditions the two rooms 20 and 30 arranged on the upper and lower floors. Here, a room 20 is provided on the lower floor, and a room 30 is provided on the upper floor and immediately above the room 20.
The air conditioning system 1 extends upward from the mixing chamber 10 provided inside the walls of the rooms 20 and 30, the exhaust chamber 11 provided on the ceiling of the upper floor room 30, and the lower floor room 20. Two exhaust shafts 12 extending to the exhaust chamber 11 and a wall blowing unit 13 as an air supply device that is provided on the wall surfaces of the chambers 20 and 30 and sends cooling air to the chambers 20 and 30 are provided.

Each of the chambers 20 and 30 is divided into two by a movable partition wall 40. One space (left space in FIG. 1) partitioned by the partition wall 40 is server chambers 21 and 31 in which the server 2 as a cooling object to be cooled is accommodated.
On the other hand, the other space (the space on the right side in FIG. 1) partitioned by the partition wall 40 is the electric chambers 22 and 32 in which the cubicles 3 as cooling objects to be cooled are accommodated.

The partition walls 40 are arranged at the same position on the upper and lower floors, and the server room 21 and the server room 31, and the electric room 22 and the electric room 32 have the same floor area.
In addition, a wall vent 41 is provided in the partition wall 40, and the server chambers 21, 31 and the electrical chambers 22, 32 communicate with each other through the wall vent 41.

Each exhaust shaft 12 extends upward from the floor surface of the server room 21 on the lower floor, passes through the floor of the server room 31 on the upper floor, and reaches the exhaust chamber 11. In the server chambers 21 and 31, the server 2 is provided along the exhaust shaft 12 and exhausts heat to the exhaust shaft 12.
The server chambers 21 and 31 are provided with a cable rack 4 along the exhaust shaft 12.

The exhaust chamber 11 is opened to the outside and connected to the mixing chamber 10, and a cooling coil 14 is provided at a connection portion between the exhaust chamber 11 and the mixing chamber 10. A ceiling vent 15 communicating with the exhaust chamber 11 is provided on the ceiling surface of the electric chamber 32.
As a result, the exhaust chamber 11 collects the air in the exhaust shaft 12 and the electric chamber 32, and a part of the collected air is cooled by the cooling coil 14 and supplied to the mixing chamber 10, and the remaining air is supplied. Discharge to the outside.

  The mixing chamber 10 is open to the outside and takes in cold air from the outside and air-conditions the air by mixing the air taken in from the outside and the air supplied from the exhaust chamber 11 through the cooling coil 14.

  The wall blowing unit 13 is provided with a fan, but is not provided with a cooling coil, and supplies air in the mixing chamber 10 by blowing it into the server rooms 21 and 31. The wall blowing unit 13 is provided only on the wall surfaces of the server rooms 21 and 31, and is not provided on the wall surfaces of the electric rooms 22 and 32.

In the air conditioning system 1, the air flow is as follows.
That is, warm air discharged from the server 2 in the server rooms 21 and 31 flows into the exhaust chamber 11 through the exhaust shaft 12. Further, warm air discharged from the cubicle 3 of the upper-room electrical chamber 32 also flows into the exhaust chamber 11 through the ceiling vent 15.
A part of the air in the exhaust chamber 11 is supplied to the mixing chamber 10, and the remaining air is discharged from the exhaust chamber 11 to the outside.

  The air supplied from the exhaust chamber 11 to the mixing chamber 10 is mixed with external cold air in the mixing chamber 10 to be air-conditioned, and then blown out into the server chambers 21 and 31 by the wall blowing unit 13. And a part of the air flows into the electric chambers 22 and 32 through the wall vent 41 of the partition wall 40 to cool the cubicle 3.

In this way, the upper and lower floors are integrally air-conditioned for the upper and lower two-layer server rooms 21 and 31 and the electric rooms 22 and 32. At this time, corresponding to the outside air cooling, the temperature and humidity of the blown air are adjusted by mixing the outside air and the indoor return air instead of the air conditioning heat source.
Further, the temperature of the blown air is further lowered by cooling the air supplied from the exhaust chamber 11 to the mixing chamber 10 by the cooling coil 14 as necessary.

According to this embodiment, there are the following effects.
(1) Since the server 2 in the server rooms 21 and 31 on the upper and lower floors exhausts heat to the exhaust shaft 12, it is possible to prevent the cooling air from mixing with the exhaust on the lower floor and prevent the cooling effect from deteriorating.
Moreover, since the wall blowing unit 13 which is an air conditioner is provided on the wall, the indoor space on each floor can be effectively used compared to the case where the air conditioner is installed indoors.

  (2) Since the server rooms 21 and 31 and the electric rooms 22 and 32 can be freely arranged at arbitrary positions on the upper and lower floors, the area ratio between the server room and the electric room can be set optimally. For example, the area of the electrical room can be minimized and the area of the server room can be maximized.

  (3) Rather than providing the fan and the coil in one air conditioner, the fan and the coil are separated into the wall blowing unit 13 and the cooling coil 14. Therefore, the fans and coils can be distributed and arranged in the building so that the entire building can function as an air conditioner. Therefore, the necessary cooling air can be sent to the necessary places to improve the controllability of the air conditioning.

  (4) It is possible to increase the air conditioning capacity by appropriately adding air conditioning equipment according to changes in the heat generation amount of the server rooms 21 and 31 and the electrical rooms 22 and 32.

  (5) Since the electric room and the maintenance area can be integrated, the space can be used effectively.

[Second Embodiment]
FIG. 2 is a perspective view of an air conditioning system 1A according to the second embodiment of the present invention.
In the present embodiment, the arrangement of the partition walls 40, the arrangement of the wall blowing units 13, and the point where the exhaust shaft 12B is provided are different from the first embodiment.

Specifically, no partition wall is provided in the room 30, and only the server 2 is accommodated in the room 30, and the entire room 30 is a server room 33.
Further, in the chamber 20, the partition wall 40 is not provided with a vent, and the partition wall 40 is closer to the left side in FIG. 2 than the first embodiment. A space on the left side in FIG. 2 partitioned by the partition wall 40 in the chamber 20 is an electric chamber 23 in which the cubicle 3 as a cooling object is accommodated. On the other hand, the space on the right side in FIG. 2 partitioned by the partition wall 40 is a server room 24 in which the server 2 as a cooling object is accommodated.

  In addition to the single exhaust shaft 12, two exhaust shafts 12B are provided as the exhaust shaft. Among them, the exhaust shaft 12 extends upward from the floor surface of the server room 24 on the lower floor, penetrates the floor of the server room 33 on the upper floor, and reaches the exhaust chamber 11 as in the first embodiment. .

On the other hand, the exhaust shaft 12 </ b> B extends upward from the ceiling surface of the electrical chamber 23 on the lower floor and reaches the exhaust chamber 11. That is, the lower end of the exhaust shaft 12 </ b> B is a floor vent 16 provided on the floor surface of the server room 33 and communicates with the electrical chamber 23.
The cubicle 3 and the cable rack 4 of the electric chamber 23 described above are provided directly below the floor vent 16 of the exhaust shaft 12B.

  The wall blowing unit 13 is provided not only on the wall surfaces of the server rooms 24 and 33 but also on the wall surface of the electric chamber 23.

In the air conditioning system 1A, the air flow is as follows.
That is, warm air discharged from the server 2 in the server rooms 24 and 33 flows into the exhaust chamber 11 through the exhaust shafts 12 and 12B. Further, the warm air discharged from the cubicle 3 in the electric chamber 23 also flows into the exhaust chamber 11 through the exhaust shaft 12B.
Thereafter, a part of the air in the exhaust chamber 11 is cooled by the cooling coil 14 and supplied to the mixing chamber 10, and the remaining air is discharged from the exhaust chamber 11 to the outside.

  The air supplied from the exhaust chamber 11 to the mixing chamber 10 is mixed with external cold air in the mixing chamber 10 to be air-conditioned, and then blown out to the server rooms 24 and 33 and the electric room 23 by the wall blowing unit 13. The server 2 and the cubicle 3 are cooled.

  According to the present embodiment, the same effects as the above (1) to (5) are obtained.

[Third Embodiment]
FIG. 3 is a perspective view of an air conditioning system 1B according to the third embodiment of the present invention.
This embodiment is different from the first embodiment in that a ceiling blowing unit 17 as an air supply device is provided instead of the wall blowing unit 13.
Specifically, a ceiling blowing unit 17 that blows cooling air downward to the server room 31 is provided on the ceiling surface of the server room 31.
Further, a floor vent 18 serving as an air supply device that communicates the server room 31 and the server room 21 is provided on the floor of the server room 31 directly below the ceiling outlet unit 17.

In this air conditioning system 1B, the air flow is as follows.
That is, warm air discharged from the server 2 in the server rooms 21 and 31 flows into the exhaust chamber 11 through the exhaust shaft 12. Further, warm air discharged from the cubicle 3 of the upper-room electrical chamber 32 also flows into the exhaust chamber 11 through the ceiling vent 15.
A part of the air in the exhaust chamber 11 is supplied to the mixing chamber 10, and the remaining air is discharged from the exhaust chamber 11 to the outside.

  The air supplied from the exhaust chamber 11 to the mixing chamber 10 is mixed with external cold air in the mixing chamber 10 to be air-conditioned, and then blown out into the server room 31 by the ceiling blowing unit 17. The server 2 is cooled and flows into the server room 21 on the lower floor through the floor vent 18 to cool the server 2 in the server room 31. Further, part of the air in the server rooms 21 and 31 flows into the electric chambers 22 and 32 through the wall vent 41 of the partition wall 40, and cools the cubicle 3.

  According to the present embodiment, the same effects as the above (1) to (5) are obtained.

[ Reference example ]
FIG. 4 is a perspective view of an air conditioning system 1C according to a reference example of the present invention.
In this reference example , the arrangement of the partition walls 40, the arrangement of the wall blowing units 13, and the point at which the air supply shaft 50 is provided are different from the first embodiment.

  Specifically, no partition wall is provided in the chambers 20 and 30, the cubicle 3 is accommodated in the chamber 20, and the entire chamber 20 is an electric chamber 25. The server 30 is accommodated in the room 30, and the entire room 30 is a server room 34.

  The air supply shaft 50 extends upward from the ceiling surface of the electrical room 25 on the lower floor and reaches the ceiling surface of the server room 34. That is, the lower end of the air supply shaft 50 is a floor vent 51 provided on the floor surface of the server room 33 and communicates with the electrical room 25.

In this reference example , the space other than the air supply shaft 50 in the server chamber 34 is the exhaust shaft 12C. A ceiling vent 15 communicating with the exhaust chamber 11 is provided on the ceiling surface of the server room 34, whereby the exhaust shaft 12 </ b> C extends upward from the floor surface of the server room 34 and reaches the exhaust chamber 11. Will be.

  Further, an underfloor fan unit 19 having a fan is installed immediately below the floor vent 51 of the air supply shaft 50 on the left side in FIG. The air in the electric chamber 25 is forcibly sent to the exhaust shaft 12 by the underfloor fan unit 19.

Moreover, the server 2 is provided along the air supply shaft 50, takes in cooling air from this air supply shaft 50, and exhausts heat to the exhaust shaft 12C.
Further, the wall blowing unit 13 as an air supply device is not provided on the wall surface of the server room 34, and is provided only on the wall surface of the electric room 25.

In the air conditioning system 1C, the air flow is as follows.
That is, the warm air exhausted into the room from the server 2 in the server room 34 flows into the exhaust chamber 11 through the exhaust shaft 12C.
Thereafter, a part of the air in the exhaust chamber 11 is cooled by the cooling coil 14 and supplied to the mixing chamber 10, and the remaining air is discharged from the exhaust chamber 11 to the outside.

  The air supplied from the exhaust chamber 11 to the mixing chamber 10 is mixed with external cold air in the mixing chamber 10 to be air-conditioned, and then blown into the electric chamber 25 by the wall blowing unit 13 to cool the cubicle 3. At the same time, the air flows into the air supply shaft 50 through the floor vent 51 and cools the server 2 in the server room 34 on the upper floor.

According to this reference example , the same effects as the above (1) to (5) are obtained.

  It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. within a scope that can achieve the object of the present invention are included in the present invention.

DESCRIPTION OF SYMBOLS 1, 1A, 1B, 1C ... Air-conditioning system 2 ... Server 3 ... Cubicle 4 ... Cable rack 10 ... Mixing chamber 11 ... Exhaust chamber 12, 12B, 12C ... Exhaust shaft 13 ... Wall blowing unit (air supply device)
14 ... Cooling coil 15 ... Ceiling vent 16 ... Floor vent 17 ... Ceiling outlet unit (air supply device)
18 ... Floor vent (air supply device)
19 ... Underfloor fan unit 20 ... Lower floor room 21 ... Server room 22 ... Electric room 23 ... Electric room 24 ... Server room 25 ... Electric room 30 ... Upper floor room 31 ... Server room 32 ... Electric room 33 ... Server room 34 ... Server room 40 ... Partition wall 41 ... Wall vent 50 ... Air supply shaft 51 ... Floor vent

Claims (1)

An air conditioning system that air-conditions two spaces on the upper and lower floors,
Each of the upper and lower floors contains a cooling object to be cooled,
An exhaust chamber provided behind the ceiling of the upper floor, an exhaust shaft that penetrates the floor of the upper floor from the lower floor to the exhaust chamber, and an air supply device that sends cooling air to at least the lower floor; With
The cooling objects on the lower floor and the upper floor are exhausted to the exhaust shaft,
At least one of the upper and lower floors is partitioned by a partition wall in which a vent is formed,
One of the two chambers partitioned by the partition walls, the server is accommodated, on the other, cubicles is accommodated,
The air supply device is provided on a wall of the lower floor and blows cooling air into a room in which the server of the lower floor is accommodated , or provided on the ceiling of the upper floor and cooled to the upper floor air conditioning system, wherein the obtaining the floor vents for communicating the provided floor ceiling blower unloading unit and the upper floor blowing air of the lower floor and the upper floor server is housed chamber, the Bei.

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