JP4795402B2 - Air conditioning system for computer room - Google Patents

Description

  The present invention relates to a computer room air conditioning system.

Conventionally, various air conditioning systems for adjusting the air flow and temperature in a certain space have been proposed.
Among these air conditioning systems, air conditioning for computer rooms that adjusts the flow and temperature of air around the equipment in computer rooms where OA equipment and communication devices, etc. that tend to be highly integrated and heat-generating are installed. The system is known.
The computer room air conditioning system includes a plurality of equipment storage racks arranged opposite to each other with a predetermined space interposed therebetween, and an air conditioner disposed on the side of the equipment storage rack and facing the predetermined space. There is something.

Under such a configuration, when the air conditioner discharges the cooling air downward, the cooling air is sent to a predetermined space and sucked into the equipment housing rack. Then, the cooling air is warmed by cooling the equipment housed in the equipment housing rack, and then blown out from the equipment housing rack. Then, the warmed and blown air flows through the upper space of the computer room, is sucked into the air conditioner, and is cooled and discharged again.
Thereby, the flow and temperature of the air in the computer room are controlled.

However, a part of the air that has been warmed and blown out from the equipment housing rack may be directly returned to the predetermined space from the upper space without being sent to the air conditioner. In that case, the air recirculated to the predetermined space is sucked into the equipment housing rack again in a warmed state, thereby reducing the cooling efficiency of the equipment.
Therefore, it is conceivable to prevent the flow of air from the upper space to the predetermined space by installing a standing plate on the upper surface of the device housing rack or attaching a shielding plate across the opposing device housing rack ( For example, see Patent Document 1.)
Japanese Patent No. 3833515

However, when installing the standing plate as described above, if the height dimensions of the equipment housing racks are different, the height positions of the standing plates are also different, and air from the upper space to the predetermined space is different. There is a problem that reflux cannot be effectively controlled. In addition, although it is possible to attach the standing plate of the size suitable for the height dimension of the equipment accommodation rack, in this case, it is necessary to correct the dimension of each standing plate, and the work load increases.
Further, when the shielding plate is installed, even if the height dimensions of the equipment housing racks are different, the reflux can be regulated by covering the upper part of the predetermined space, but the opposing equipment housing rack is the shielding board. Therefore, when a vibration due to an earthquake or the like is applied, there is a problem that an excessive load is applied to the shielding plate or the equipment housing rack.

  The present invention has been made in view of such circumstances, and even in a device housing rack having a different height dimension, a partition body is provided quickly and easily from the upper surface of the device housing rack to the ceiling. An object of the present invention is to provide an air conditioning system for a computer room that can cool a device effectively over a long period of time.

In order to solve the above problems, the present invention provides the following means.
The present invention relates to a device accommodation rack that is arranged on both sides across a passage having an internal space under the floor in a computer room, and that supplies air from the front surface and blows out heated air from the upper surface or the back surface, and an air conditioner The cooling air blown out from the air conditioner flows through the internal space and further flows from the hole provided in the passage onto the floor of the passage, and the cooling air is supplied to the rack. An air conditioning system for a computer room that cools the accommodated equipment and then flows through the space above the rack and is sucked back into the air conditioner, wherein the equipment accommodation rack is connected to the equipment accommodation rack. A partition that partitions the upper space above the upper surface and the passage is provided, and a plurality of the device storage racks arranged have different heights of the adjacent device storage racks. Also There is, between the top surface of different heights the apparatus accommodating rack and a ceiling of the computer room, the partition member is provided for each of the machine housing rack, the partition member is formed in a box shape has been housed portions inside is wound in with the shade portion retractable from the housing section to the ceiling the height direction, the accommodating portion, that is fixed to the upper surface of the machine housing rack Features.

Further, the present invention is not covering the gap of the rolling screen portions provided respectively at a height different the machine housing rack adjacent, an L shape in plan view in accordance with the step of the machine housing rack It is characterized by comprising a shielded body.

The ceiling is attached to a grid structure attached over a beam of a ceiling slab via a suspension fitting.

The ceiling is constituted by a self-supporting steel frame.

According to the present invention, since the partition body expands and contracts in the height direction according to the height dimension of the equipment housing rack, the upper surface of the equipment housing rack can be used even if the equipment housing rack has a different height dimension. The partition can be provided quickly and easily from the ceiling to the ceiling, and the device can be effectively cooled over a long period of time.
In addition, even if vibration is generated in the equipment housing rack, the roll screen portion is deformed according to the vibration, so that each displacement of the equipment housing rack due to the vibration is allowed. An excessive load is prevented from being applied to the rack or the like.

(Embodiment 1)
Hereinafter, an air conditioning system for a computer room according to a first embodiment of the present invention will be described with reference to the drawings.
The computer room air conditioning system 100 shown in FIGS. 1 to 3 is used in a computer room 101 formed in a box shape.
First, the computer room 101 will be described.
The computer room 101 includes a double floor 2 having an internal space 5 under the floor. A passage 4 extending in the longitudinal direction is formed in the double floor 2. The double floor 2 is formed with a rectangular long hole 8 penetrating in the thickness direction. A rectangular plate-shaped perforated panel 7 covering the long hole 8 is fitted over the entire circumference of the edge of the long hole 8. The perforated panel 7 has a plurality of holes penetrating in the thickness direction. Thereby, the internal space 5 under the floor and the space of the passage 4 communicate with each other through the plurality of holes.

Next, the computer room air conditioning system 100 used in the computer room 101 will be described.
The computer room air conditioning system 100 includes a rack (equipment accommodating rack) 3 and an air conditioner 6 that are arranged opposite to each other across the passage 4.
The rack 3 is formed in a box shape and accommodates various devices such as communication devices. A plurality of these racks 3 are arranged along the longitudinal direction of the passage 4, and some of them have different height dimensions. The rack 3 supplies air in the space of the passage 4 from an air supply port (not shown) formed on the opposing surfaces (front surface 3b) facing each other, and the supplied air is supplied from the upper surface 3a or the rear outlet. It blows out upward or backward.

  The air conditioner 6 is formed in a box shape. The air conditioner 6 is disposed on the side of the rack 3 so as to face one end or both ends in the longitudinal direction of the passage 4. The air conditioner 6 blows out cooling air from the outlet on the lower surface 6b, sucks the air flowing in the upper space of the computer room 101 from the suction port on the upper surface 6a, cools it, and then blows again. It comes to blow out from.

In addition, the partition apparatus 11 is provided in the upper surface 3a of the rack 3 in this embodiment.
As shown in FIG. 4, the partition device 11 is provided over the entire length of the rectangular sheet-shaped roll screen portion (partition body) 111, the storage portion 112 that stores the roll screen portion 111, and the front end side of the roll screen portion 111. The rod-shaped end rail 113 is provided.
The roll screen unit 111 is made of a non-combustible member such as a glass cloth. The roll screen portion 111 is wound around a winding portion 114 in the accommodating portion 112. The winding part 114 is urged in the direction of winding the roll screen part 111 by an urging member or the like.

The accommodating portion 112 is formed in a box shape, and a slit 112S extending in the longitudinal direction is formed on the upper surface thereof. The accommodating portion 112 is fixed to the vicinity of the front edge portion 3 c on the upper surface 3 a of the rack 3 via the attachment 13 in a state of being directed in the width direction W. The longitudinal dimension of the accommodating portion 112 is equal to the width dimension of the rack 3, and the accommodating portion 112 is extended over the entire length in the width direction W of the rack 3.
The end rail 113 has a larger diameter than the width of the slit 112S.
Under such a configuration, the roll screen unit 111 is unwound in the height direction H of the rack 3 from the housing unit 112 through the slit 112S by being unwound from or wound up from the winding unit 114. (Stretching).

In addition, a rectangular shielding sheet (shielding body) 15 that covers a gap between the roll screen portion 111 and another roll screen portion 111 adjacent in the width direction W of the rack 3 is attached to the roll screen portion 111. The shielding sheet 15 is made of an incombustible member such as a glass cloth. Furthermore, the hook-and-loop fastener part 15a is provided in the both ends of the transversal direction of the shielding sheet 15, and this hook-and-loop fastener part 15a is attached to the roll screen part 111 so that attachment or detachment is possible.
Further, as shown in FIGS. 5 and 6, when the height dimensions of the racks 3 adjacent to each other in the width direction W are different, a difference d is generated at the height position of the upper surface 3 a. Therefore, by cutting off a part of the shielding sheet 15 by the difference d, the shielding sheet 15 is provided with an immersing portion 15b that is cut out in a rectangular shape and immerses in the short side direction. It is formed in an L shape. The shielding sheet 15 is arranged in an inverted L shape, and the recessed portion 15b is fitted to the corner of the higher rack 3, and is mounted across the adjacent roll screen portions 111 via the hook-and-loop fastener 15a.
Thereby, even if the racks 3 having different height dimensions are installed adjacent to each other in the width direction W, the upper space of the rack 3 and the space of the passage 4 are partitioned without a gap.

Further, as shown in FIG. 7, a fixing bracket 16 that supports the end rail 113 is attached to the ceiling T above the rack 3.
As a result, as shown in FIG. 8, the roll screen 111 is extended from the upper surface 3 a of the rack 3 to the ceiling T by extending the roll screen 111 in the height direction H and fixing the end rail 113 to the fixture 16. It is designed to be held in a stretched state. At this time, the roll screen portion 111 is directed to the passage 4 and extends in the width direction W, thereby partitioning the upper space of the rack 3 and the space of the passage 4.

Furthermore, as shown in FIG. 1, a partition device 11 a is installed on the floor of the double floor 2. The configuration of the partition device 11a is substantially the same as the configuration of the partition device 11 except that the size is different.
That is, the partition device 11a includes a roll screen portion 111a, a storage portion 112a, and an end rail 113a.
However, the partition device 11a is mounted upside down. That is, the accommodating portion 112 a is installed on the ceiling T between the longitudinal end portion of the passage 4 and the air conditioner 6 so as to face the depth direction D of the rack 3.
The width dimension of the roll screen portion 111a is equal to the width dimension of the passage 4 in the short direction.
As a result, when the end rail 113a is fixed to the fixture 16 provided on the double floor 2, the end of the passage 4 is shielded, and the space of the passage 4 and the installation space of the air conditioner 6 are partitioned. ing.

Next, the operation of the air conditioning system 100 for a computer room according to this embodiment configured as described above will be described.
In the computer room 101, when the communication apparatus accommodated in the rack 3 operates, these devices are heated. Therefore, it is necessary to cool each operating device.
Therefore, cooling air is blown out into the internal space 5 from the outlet of the lower surface 6 b of the air conditioner 6. This cooling air is blown upward (space of the passage 4) from the plurality of holes of the perforated panel 7 through the internal space 5. Then, the cooling air sent to the space of the passage 4 is supplied from the air supply port of the front surface 3b of the rack 3, and cools each device by heat exchange action. Thereby, the supplied air is warmed and becomes hot air. The hot air is blown upward from the upper surface 3a of the rack 3 or the air outlet on the rear surface. Further, the hot air blown out flows in the upper space of the computer room 101 in the width direction W, is sucked from the suction port of the upper surface 6a of the air conditioner 6, cooled, and then again from the outlet of the lower surface 6b. Blown out.
Thereby, the flow and temperature of the air in the computer room 101 are controlled, and the favorable operation state of each apparatus is maintained.

By the way, the hot air blown out from the upper surface 3 a or the rear surface of the rack 3 is returned to the space of the passage 4 and supplied from the front surface 3 b of the rack 3 before being supplied to the air conditioner 6. There is.
However, in the present embodiment, the roll screen portion 111 is arranged between the upper surface 3a of the rack 3 and the ceiling T in the height direction H, and the upper space of the rack 3 and the space of the passage 4 are partitioned. Therefore, the hot air on the upper surface of the rack 3 is restricted from flowing into the space of the passage 4. That is, the space of the passage 4 is always filled with cooling air from the floor of the double floor 2 to the ceiling T.

Further, the cooling air in the passage 4 may be directly sucked into the air conditioner 6 without being supplied to the rack 3.
However, in the present embodiment, the roll screen portion 111 is arranged between the floor of the double floor 2 and the ceiling T so as to block the end of the passage 4, and the passage 4 Since the space and the installation space of the air conditioner 6 are partitioned, the cooling air in the passage 4 is restricted from flowing into the installation space of the air conditioner 6.

Here, since there are racks having different height dimensions, the distance dimensions between the upper surface 3a and the ceiling T are different. For this reason, if the panel size is corrected on site in accordance with different distance dimensions, and the corrected panels are fixed to the upper surface 3a and the ceiling T, the work load increases.
In the partition device 11 according to the present embodiment, when the roll screen unit 111 is pulled upward, the roll screen unit 111 is extended from the housing unit 112. Even if the height dimensions of the racks 3 are different, by extending the roll screen portion 111 to the ceiling T and fixing the end rail 113 to the fixing bracket 16, the upper space of the rack 3 and the space of the passage 4 can be reduced. Immediately partitioned.

  In the partition device 11 according to the present embodiment, even if vibration occurs in the rack 3, the roll screen unit 111 is deformed according to the vibration, so that each displacement of the rack 3 due to the vibration is allowed. It is possible to prevent an excessive load from being applied to the device 11 and the rack 3.

  In addition, since the gap between the roll screen portions 111 adjacent in the width direction W is shielded by the shielding sheet 15, the air between the upper space of the rack 3 and the space of the passage 4 through the gap or the like. Is regulated.

As described above, according to the computer room air conditioning system 100 in the present embodiment, the roll screen unit 111 expands and contracts in the height direction H in accordance with the height dimension of the rack 3. Even so, the roll screen 111 can be provided quickly and easily. Further, since the roll screen unit 111 expands and contracts, displacement due to vibration of the rack 3 is allowed, and it is possible to prevent an excessive load from being applied to the partition device 11, the rack 3, the double floor 2, and the like. The durability and reliability of the air conditioning system for machine room 100 can be improved, and the equipment can be effectively cooled over a long period of time.
Further, since the shielding sheet 15 is provided in the gap between the roll screen portions 111 adjacent to each other in the width direction W, air flow between the upper space of the rack 3 and the space of the passage 4 is surely restricted. And cooling efficiency can be improved.

  In the present embodiment, the shielding sheet 15 is formed in a rectangular shape and is detachably attached to the roll screen portion 111 by the hook-and-loop fastener 15a. However, the present invention is not limited to this, and the shape and the like are appropriately changed. Is possible. For example, as shown in FIG. 9, a shielding sheet 15 </ b> A having a H-shaped cross section may be used. And you may make it attach and put the roll screen part 111 between H-shaped sheets.

Moreover, although the partition device 11 is provided on the upper surface 3a of the rack 3, the present invention is not limited to this, and the installation position can be changed as appropriate.
For example, as shown in FIGS. 10 and 11, the partition device 11 may be provided on the ceiling T. Specifically, the accommodating part 112 is being fixed to the ceiling T above the upper surface 3a toward the width direction W. The fixture 16 is fixed to the upper surface 3a. Then, the roll screen portion 111 is pulled downward from the accommodating portion 112, and the end rail 113 is fixed to the fixture 16.
At this time, as shown in FIG. 20, even if one rack 3 has been removed, the roll screen unit 111 is pulled down from the storage unit 112 installed on the ceiling T to the double floor 2 and the double floor is removed. By fixing the end rail 113 to the fixing bracket 16 fixed to 2, the space of the passage 4 and the installation space of the rack 3 can be quickly and easily partitioned. Needless to say, the same effect can be obtained even if the partition device 11 is installed upside down.
Moreover, as shown in FIG.12 and FIG.13, the ceiling material is not attached but the attachment of the partition apparatus 11 is possible even when the ceiling slab T1 is exposed. That is, the grid structure GS is attached over the beam T2 of the ceiling slab T1, and the ceiling material T3 is attached to the grid structure GS via the hanging hardware L. Thereby, the partition apparatus 11 or the fixing bracket 16 can be attached to the ceiling material T3.
Moreover, as shown in FIG.14 and FIG.15, you may make it the partition apparatus 11 or the fixture 16 attach to the self-supporting steel frame F. As shown in FIG. That is, a plurality of racks 3 are arranged in the steel frame F. Then, the partition device 11 or the fixing bracket 16 is attached to the upper side F1 of the steel frame F.

  Moreover, also about the partition device 11a as an end cap provided in front of the air conditioning apparatus 6, as shown in FIGS. 10 to 15, the mounting position of the double floor 2 and the ceiling T is reversed, or the ceiling material T3. Needless to say, it can be attached to a steel frame F or the like.

(Embodiment 2)
Next, a second embodiment of the present invention will be described.
16 and 17 show a second embodiment of the present invention.
16 and 17, the same components as those shown in FIGS. 1 to 15 are denoted by the same reference numerals, and the description thereof is omitted.
This embodiment and the first embodiment have the same basic configuration, and different points will be mainly described here.

11 A of partition devices in this embodiment are provided with the accommodating part 112A extended in rectangular box shape, and the bellows-shaped bellows screen part (partition body) 111A. The bellows screen portion 111A is alternately folded and accommodated in the accommodating portion 112A. The bellows screen portion 111A can be taken in and out of the accommodating portion 112A through the slit 112S1.
Furthermore, the longitudinal dimension of the accommodating part 112A is shorter than the width dimension of the bellows screen part 111A. Therefore, the bellows screen portion 111A protrudes in the longitudinal direction from both ends of the housing portion 112A. Both ends of the bellows screen portion 111A adjacent to each other in the width direction W are overlapped and folded, and the overlapped portions are fixed to each other by a hook-and-loop fastener or the like.
Under such a configuration, an appropriate amount of the bellows screen portion 111A is pulled out from the accommodating portion 112A fixed to the ceiling via the slit 112S1, thereby the space above the upper surface 3a and the space of the passage 4 are separated. Partitioned.

As described above, according to the computer room air conditioning system 100A in the present embodiment, not only the same effect as in the first embodiment can be obtained, but also the bellows screen portion 111A can be obtained without attaching a fixing bracket to the upper surface 3a. In a state in which the bellows is pulled out, the bellows screen portion 111A can be easily fixed by its own weight. Further, by providing a hook-and-loop fastener or the like instead of the fixture, the bellows screen portion 111A can be easily fixed with a simple configuration.
It should be noted that the partition device 11A can be attached to the ceiling member T3, the steel frame F, or the like as shown in FIGS. Nor.
Further, the partition device 11A may be installed in front of the air conditioner 6 as an end cap.

(Embodiment 3)
Next, a third embodiment of the present invention will be described.
FIG. 18 shows a third embodiment of the present invention.
In FIG. 18, the same components as those shown in FIGS. 1 to 17 are denoted by the same reference numerals, and the description thereof is omitted.
This embodiment and the first embodiment have the same basic configuration, and different points will be mainly described here.

The partition device 11B in the present embodiment includes a mounting plate 112B extending in a rectangular shape, a blind portion (partition body) 111B attached to the mounting plate 112B, and an operation portion 113b for adjusting the height of the blind portion 111B. And.
The attachment plate 112B is attached to the ceiling. Then, by operating the operation unit 113b, the blind unit 111B moves up and down and is fixed at a desired height position.

As described above, according to the computer room air conditioning system 100B in the present embodiment, not only can the same effect as in the first embodiment described above be achieved, but the blind portion 111B can be installed without attaching a fixing bracket to the upper surface 3a. Can be easily fixed.
Needless to say, the partition device 11B can be attached to the ceiling member T3, the steel frame F, or the like as shown in FIGS.
Moreover, you may install in the front of the air conditioning apparatus 6 by making partition device 11B into an end cap.

(Embodiment 4)
Next, a fourth embodiment of the present invention will be described.
FIG. 19 shows a fourth embodiment of the present invention.
19, the same components as those shown in FIGS. 1 to 18 are denoted by the same reference numerals, and the description thereof is omitted.
This embodiment and the first embodiment have the same basic configuration, and different points will be mainly described here.

11 C of partition devices in this embodiment are provided with the plate-shaped panel (partition body, board | plate material) 111C, 112C piled up in the thickness direction, the slide support part 113C, and the attaching part 114C.
The panel 111C is fixed in a state where it is erected on the upper surface 3a via the mounting portion 114C. A pair of slide support portions 113C oriented in the height direction H is attached to one main surface of the panel 111C. The pair of slide support portions 113C are arranged in the width direction W. The panel 112C is supported at both ends in the width direction W so as to be slidable in the height direction H by the pair of slide support portions 113C. Further, the panel 112C is fixed at a desired height position by a fixing mechanism (not shown) or a fixing screw.

From the above, according to the computer room air conditioning system 100C in the present embodiment, the same effects as in the first embodiment can be obtained.
It should be noted that the partition device 11C can be attached to the ceiling member T3, the steel frame F, or the like as shown in FIGS. Nor.
Further, the partition device 11C may be installed in front of the air conditioner 6 as an end cap.
The technical scope of the present invention is not limited to the first to fourth embodiments, and various modifications can be made without departing from the spirit of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS It is a whole block diagram which shows 1st Embodiment of the air conditioning system for computer rooms which concerns on this invention. It is a side view which shows a mode that the computer room of FIG. 1 was seen from the side. It is a front view which shows a mode that the computer room of FIG. 1 was seen from the longitudinal direction of the channel | path. It is a disassembled perspective view which shows the partition apparatus of FIG. It is explanatory drawing which expands and shows a mode that the shielding sheet was attached. It is a perspective view which shows a mode that the shielding sheet was attached. It is explanatory drawing which shows a mode that a roll screen part is taken in / out. It is explanatory drawing which shows a mode that the roll screen part of FIG. 7 was fixed to the fixture. It is a perspective view which shows the modification of a shielding sheet. It is a side view which shows the 1st modification about attachment of the partition apparatus of FIG. It is a front view which shows a mode that the computer room of FIG. 10 was seen from the longitudinal direction of the channel | path. It is a side view which shows the 2nd modification about attachment of the partition apparatus of FIG. It is a front view which shows a mode that the computer room of FIG. 12 was seen from the longitudinal direction of the channel | path. It is a side view which shows the 3rd modification about attachment of the partition apparatus of FIG. It is a front view which shows a mode that the computer room of FIG. 14 was seen from the longitudinal direction of the channel | path. It is a figure which shows 2nd Embodiment of the air conditioning system for computer rooms which concerns on this invention, Comprising: It is a perspective view which shows a partition apparatus partially. It is explanatory drawing which shows the mode of taking in / out of the bellows screen part of FIG. It is a figure which shows 3rd Embodiment of the air conditioning system for computer rooms which concerns on this invention, Comprising: It is a perspective view which shows a partition apparatus. It is a figure which shows 4th Embodiment of the air conditioning system for computer rooms which concerns on this invention, Comprising: It is explanatory drawing which shows the mode of putting in and out of a partition device. It is explanatory drawing which shows the modification about attachment of the partition apparatus of FIG.

Explanation of symbols

3 racks (equipment racks)
3a upper surface 3b front surface 4 passage 5 internal space 6 air conditioner 15 shielding sheet (shielding body)
100, 100A, 100B, 100C Computer room air conditioning system 101 Computer room 111 Roll screen (partition)
111A bellows screen (partition)
111B Blind part (partition body)
111C, 112C Panel (partition body, plate material)
112,112A Housing part T Ceiling

Claims (4)

In the computer room, a plurality of devices are arranged on both sides with a passage having an internal space under the floor, and an equipment accommodation rack for supplying air from the front surface and blowing out heated air from the upper surface or the back surface, and an air conditioner, The cooling air blown out from the air conditioner flows through the internal space, further flows from the hole provided in the passage to the floor of the passage, and the cooling air is accommodated in the rack. An air conditioning system for a computer room that flows through the space above the rack and is again sucked into the air conditioner,
The device housing rack is provided with a partition that is extendable in the height direction of the device housing rack and that partitions the upper space above the upper surface and the passageway,
The equipment storage racks that are arranged in plural have different height dimensions of the adjacent equipment storage racks, and the upper surface of the equipment storage rack and the ceiling of the computer room that have different height dimensions. In between, the partition is provided for each equipment storage rack,
The partition is provided with a roll screen portion that is wound inside a storage portion formed in a box shape and can protrude from the storage portion to the ceiling in the height direction,
The air conditioning system for a computer room, wherein the housing portion is fixed to an upper surface of the equipment housing rack. Have covered the gap of the rolling screen part provided respectively heights adjacent dimension different the machine housing rack, said plan view corresponding to the step of the device accommodating rack L shape which is formed in the shield The computer room air conditioning system according to claim 1, comprising:   The computer room air conditioning system according to claim 1 or 2, wherein the ceiling is attached to a grid structure attached over a beam of a ceiling slab via a suspension fitting.   The computer room air conditioning system according to claim 1 or 2, wherein the ceiling is formed of a self-supporting steel frame.

Images