JP2016001096A - Structure for improving air-conditioning efficiency in server room - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve air-conditioning efficiency of a server room by surely supplying cold air into a rack and surely recovering warm air to return the same to an air conditioning device, in a structure for blowing off cold air to a server in the rack from a floor surface of the server room.SOLUTION: A frame 1 is mounted on a front face of a rack 2, and a peripheral wall member is mounted on the front face and side faces. A ceiling member is disposed on a cold air guide box 10a, and a bottom member is disposed on a warm air guide box 11a and extended to the neighborhood of a ceiling (refer to Fig. 6). Cold air Ac blown off from a floor surface 4 is supplied into the rack 2 from the cold air guide box 10a to be applied in cooling a server. Warm air Ah after cooling the server, rises in the warm air guide box 11a, and is recovered from the ceiling to be returned to an air conditioning device.

Description

  In the present invention, in order to improve the efficiency of air conditioning in the server room, the flow of the conditioned air is made appropriate, particularly the cold air used for cooling the server interferes with the warm air heated after cooling. The present invention relates to a structure for improving the efficiency of air conditioning in a server room.

  With the recent diversification and complexity of network networks, network devices and servers are installed in dedicated server rooms. In this type of server room, not only measures such as earthquake, fire and security are taken, but also air conditioning management is an important countermeasure issue, and an efficient air conditioning system is desired.

  By the way, in installing the server room, for example, in Patent Document 1, as a server room that can be installed and removed easily and quickly, a space for installing the server and a temperature for adjusting the server are described. A server room having an air conditioner, comprising a plurality of pillars extending in a long shape, and a side wall member provided between the plurality of pillars and detachably connected to the long sides of the pillars, An assembly that can be assembled by connecting the support column and the side wall member is disclosed.

  Further, Patent Document 2 discloses a plurality of racks as a passage shielding structure between racks that is excellent in inspection and maintenance work of equipment installed on the ceiling of a facility where the racks are arranged and excellent in maintainability of ceiling panels. Between racks formed by arranging rack rows facing each other and providing a ceiling portion, an entrance door portion, and a back portion installed at a position facing the entrance door portion in an inter-rack passage formed between the rack rows. A passage shielding structure is disclosed in which the ceiling portion includes a frame member that supports the ceiling panel and a plurality of ceiling panels, and a panel attachment / detachment mechanism portion is provided inside the inter-rack passage.

JP 2007-285082 A JP 2010-168767 A

  In the server room, as described in Patent Document 2, rack rows are arranged by a number of racks that accommodate servers. Cold air Ac (indicated by white arrows) for cooling the servers accommodated in these racks is blown out from the floor surface 4 of a so-called free access floor, and from the front of the rack 2, as shown in FIG. It blows into the rack 2. Hot air Ah (indicated by hatched arrows) that has been heated to cool a server (not shown) housed in the rack 2 is discharged from the back side of the rack 2.

  As shown in FIG. 7, the cold air Ac blown from the floor surface 4 is supplied into the rack 2 while rising, is used for cooling the server, and is discharged from the back surface of the rack 2. The discharged warm air Ah reaches the ceiling surface and is collected. An opening is formed in the ceiling surface, and the hot air Ah collected from this opening is returned to the air conditioner.

  Further, in the rack row 20 shown in FIG. 7, since the front surface and the rear surface of the rack 2 are arranged opposite to each other, the hot air Ah discharged from the rear surface of the rack 2 for cooling the server is It is mixed with the cold air Ac used for cooling and supplied to the server, which may reduce the cooling efficiency of the server.

  Therefore, the present invention makes it possible to reliably use the cool air blown from the floor surface for cooling the server, and to prevent the warm air heated by the server cooling from interfering with the cool air as much as possible. The purpose is to provide an air conditioning efficiency structure in the server room to prevent.

  As a technical means for achieving the above object, the air conditioning efficiency structure in the server room according to the present invention is such that a plurality of racks in which a plurality of servers can be accommodated are arranged in parallel with a passage interposed therebetween. A server room to be installed, in which cold air is blown from the floor of the passage, supplied to the rack from the front side of the rack, cooled for servers in the rack, and discharged from the rear side of the rack In the server room air conditioning efficiency structure, a frame for an air-conditioning air guide box made of bar material is attached to one or both of the front and rear surfaces of the rack so as to protrude from the rack. A peripheral wall member is attached to the frame, and an air-conditioned air guide box is disposed on one or both of the front and rear surfaces of the rack.

  Cold air blown out from the floor surface is introduced into the conditioned air guide box provided on the front surface of the rack. Thereby, the cold air is supplied into the rack from the front of the rack, and is used for cooling the servers in the rack.

  On the other hand, warm air heated by the server cooling is discharged from the rack in an air-conditioned air guide box provided on the back of the rack. As a result, the warm air rises up the conditioned air guide box, reaches the ceiling of the server room, and is returned to the air conditioner.

  In addition, the bar used for the frame for the air-conditioning air guide box only needs to be able to support the peripheral wall member and the like, provided that it has antistatic properties and nonflammability / flameproof functions. preferable.

  Further, in the server room air-conditioning efficiency structure according to the invention of claim 2, a ceiling member having an antistatic property is attached to an upper portion of the frame, which is the frame attached to the front surface of the rack, The cool air supplied from the floor is supplied into the rack from the front of the rack.

  Cold air is introduced into the conditioned air guide box attached to the front of the rack. However, some of the cold air leaks upward from the conditioned air guide box without being supplied into the rack. It is blocked by a member and supplied into the rack.

  Since cold air is introduced into the conditioned air guide box attached to the front surface of the rack, the ceiling member is provided with antistatic properties. It is desirable that the ceiling member be provided with non-flammability and flame resistance in addition to antistatic properties.

  According to a third aspect of the present invention, in the server room air conditioning efficiency structure, the upper end of the frame attached to the rear surface of the rack extends to the vicinity of the ceiling of the server room, and the lower part of the frame is prevented. It is characterized in that a bottom member having a flame property is attached and the hot air discharged from the rack is guided to the ceiling of the server room.

  The warm air discharged from the rack to the conditioned air guide box rises in the conditioned air guide box. Since the warm air is returned to the air conditioner from the opening of the ceiling, it is guided to the upper end of the frame extended to the vicinity of the ceiling and reaches the ceiling.

  In the server room air conditioning efficiency structure according to the invention of claim 4, the peripheral wall member attached to the front frame of the rack is provided with antistatic properties.

  The peripheral wall member attached to the front surface of the rack is provided with an antistatic property. Since it is not exposed to warm air, it is sufficient to have antistatic properties, but it is also preferable to provide nonflammability and flameproofness.

  In the server room air conditioning efficiency structure according to the invention of claim 5, the peripheral wall member attached to the frame on the back surface of the rack is provided with a flameproof property.

  Since the peripheral wall member attached to the back surface of the rack is exposed to warm air, a member having nonflammability and flameproofness is used. It is also preferable to have antistatic properties as well as nonflammability and flameproofing properties.

  In the server room air conditioning efficiency structure according to the invention of claim 6, the peripheral wall member, the ceiling member, and the bottom member are plate members.

  The conditioned air guide box is made of a plate material.

  According to a seventh aspect of the present invention, in the server room air conditioning efficiency structure, the peripheral wall member, the ceiling member, and the plate member are sheet materials.

  The conditioned air guide box is made of a sheet material.

  According to the structure for improving the efficiency of air conditioning in the server room according to the present invention, the cool air to be used for cooling the server is guided to the air conditioning air guide box and reliably supplied into the rack. Further, the hot air heated by the server cooling is surely guided to the ceiling by the conditioned air guide box and returned to the air conditioner.

  According to the efficiency improving structure of the air conditioning in the server room according to the invention of claim 2, since the upper part of the air conditioning air guide box for guiding the cold air is closed by the ceiling member having antistatic properties, More reliably supplied into the rack. In addition, since cold air collides with this ceiling member, it is preferable to provide at least antistatic property so that the ceiling member is not charged and does not adversely affect the server, and further has nonflammability and flameproofness. Is also preferable.

  In the server room air conditioning efficiency structure according to the third aspect of the invention, since the warm air is guided to the vicinity of the ceiling, it is surely returned to the conditioned air. Further, since warm air is introduced, the bottom portion is closed by the bottom member so that cold air does not enter. The bottom member preferably has at least nonflammability and flameproofness, and preferably has antistatic properties.

  According to the efficiency improving structure for air conditioning in the server room according to the fourth aspect of the present invention, the conditioned air guide box exposed to the cold air is not charged, so that static electricity does not adversely affect the server. In addition, it is also preferable that the peripheral wall member of the conditioned air guide box for cold air is provided with nonflammability and flameproofness.

  Further, according to the efficiency improving structure of the air conditioning in the server room according to the invention of claim 5, even if the air conditioning air guide box exposed to the warm air is heated by the warm air, it does not burn out. In addition, it is also preferable that the peripheral wall member of the conditioned air guide box for hot air is provided with antistatic properties.

  Further, according to the efficiency improving structure of the air conditioning in the server room according to the invention of claim 6, since the plate material is used for the air conditioning air guide box, the air passage is surely formed, and each of the cold air and the hot air is reliably ensured. Can be guided to.

  Moreover, according to the efficiency improvement structure of the air conditioning in the server room according to the invention of claim 7, the air conditioning air guide box can be reduced in weight, and the construction for attaching the peripheral wall member to the frame becomes simple, and the air conditioning air guide box can be installed in a short time. Can be installed.

It is a schematic perspective view which shows the air-conditioning air guide box of the efficiency improvement structure of the air conditioning in the server room based on this invention. It is a figure which shows the efficiency improvement structure of the air conditioning in the server room which concerns on this invention, and shows the case where the said air-conditioning air guide box is provided in the condition where each front and back of the rack are facing each other across the passage It is a side view. It is a figure which shows an example of the efficiency improvement structure of the server room which concerns on this invention, and is a case where the front surfaces of a rack are arrange | positioned facing each other, and the case where the air-conditioning air guide box is installed in the front surface of a rack FIG. FIG. 4 is a front view illustrating a case where front surfaces of the rack illustrated in FIG. 3 are arranged to face each other. It is a figure which shows an example of the efficiency improvement structure of the air conditioning in the server room which concerns on this invention, and is the case where the front surfaces of a rack are arranged facing each other, and the case where an air-conditioning air guide box is installed in the back surface of a rack FIG. It is a front view which shows the case where the front surfaces of the rack shown in FIG. It is a figure explaining the flow path of the cool air and warm air in case the front and back of a rack are facing on both sides of a channel | path.

  Hereinafter, based on the preferred embodiment shown in the drawings, a structure for improving the efficiency of air conditioning in a server room according to the present invention will be specifically described.

  FIG. 1 is a perspective view showing a state in which an air-conditioning air guide box 10 for improving the efficiency of air conditioning in a server room according to the present invention is attached to the front surface of a rack 2. The front surface is opened so that the server (not shown) accommodated in the rack 2 can be operated from the front side. Also, as will be described later, on the back side, an appropriate opening is formed so that the hot air heated for cooling the server is discharged and the back side of the server can be operated. As shown in FIG. 2, the rack 2 is installed so that the front surface and the rear surface thereof are opposed to each other with the passage 3 interposed therebetween. The floor surface 4 of the passage 3 is a so-called free access floor, and cold air is blown from the floor surface 4 to be used for air conditioning of the server room.

  A frame 1 assembled by a bar material such as a general-purpose pipe is attached to the front surface of the rack 2. A peripheral wall member (not shown) is attached to the front and side surfaces of the frame 1, and a ceiling member (not shown) is attached to the ceiling portion. The bottom surface is open, and the cold air Ac blown from the floor surface 4 is introduced into the conditioned air guide box 10. That is, the conditioned air guide box 10 is a cold air guide box 10a. Further, the peripheral wall member and the ceiling member are made of a plate material or a sheet material having nonflammability, flameproofness and antistatic property. Since cold air Ac is introduced into the cold air guide box 10a, it is preferable that at least antistatic properties are provided. Moreover, it is preferable to use the bar material which comprises the said flame | frame 1 with the material provided with at least antistatic property, and also having nonflammability and flameproofness.

  The cold air Ac sprayed from the floor surface 4 of the passage 3 is supplied into the rack 2 while rising in the cold air guide box 10a, and is used for cooling the server accommodated in the rack 2. The hot air Ah, which has been heated to cool the server, is discharged from the back of the rack 2. At this time, as shown in FIG. 2, the cold air Ac circulates in the cold air guide box 10a, and the hot air Ah circulates outside the cold air guide box 10a. Therefore, the cold air Ac and the hot air Ah interfere with each other. Does not match, and does not reduce the cooling efficiency of the server.

  3 and 4 show a case where the front surfaces of the racks 2 constituting the rack row 20 are opposed to each other with the passage 3 therebetween, and FIG. 3 is a plan view and FIG. 4 is a front view. The frame 1 can be provided with the cold air guide box 10a over the entire front surface of all the racks 2 constituting the rack row 20, and can also be provided with the cold air guide box 10b on the individual rack 2a. For example, the cold air guide box 10b is attached only to the rack 2a that accommodates a server having a large amount of exhaust heat so that a desired amount of cold air Ac is reliably supplied to the rack 2a.

  The cold air Ac blown from the floor surface 4 of the passage 3 is supplied into the cold air guide boxes 10a and 10b, and is used for cooling the servers in the rack 2. Further, the cold air Ac blown from the floor surface 4 is supplied to the rack 2 to which the cold air guide boxes 10a and 10b are not attached. The cool air that is not supplied into the rack 2 is used for air conditioning in the server room. Then, the hot air Ah that has been used for cooling the server and raised in temperature is discharged from the back of the rack 2.

  FIG. 5 and FIG. 6 show the case where the conditioned air guide box 10 is attached to the back of the rack 2. Since the conditioned air guide box 10 is attached to the back of the rack 2, the conditioned air guide box 10 is a hot air guide box 11a. It is said that. As with the cold air guide box 10a, the warm air guide box 11a has peripheral wall members (not shown) attached to the front and side surfaces of the frame 1, and the bottom surface is closed by the bottom member and blown out from the floor surface 4. The cold air Ac is prevented from entering the hot air guide box 11a. Note that the bottom member is not necessary when the cold air Ac outlet is not provided in the portion of the floor surface 4 where the hot air guide box 11a is installed. As shown in FIG. 6, the upper part of the hot air guide box 11a extends to the vicinity of the ceiling, and the hot air Ah rising in the hot air guide box 11a is surely easily returned to the air conditioner. It is like that.

  Further, since the peripheral wall member and the bottom member of the warm air guide box 11a are exposed to the warm air Ah, at least a non-combustible and flameproof plate material or sheet material is used. It is also preferable to provide the peripheral wall member and the bottom member with antistatic properties.

  Furthermore, as shown in FIG. 5, a hot air guide box 11a can be provided over the entire front surface of the rack row 20, and a hot air guide box 11b can be attached to each rack 2. For example, the hot air guide box 11b is attached only to the rack 2b that accommodates a server with a large amount of exhaust heat so that the hot air Ah discharged from the rack 2b is reliably guided to the ceiling.

  That is, the hot air Ah discharged from the rear surface of the rack 2 flows into the hot air guide boxes 11a and 11b, and is guided by the hot air guide boxes 11a and 11b and rises. At this time, since the upper ends of the hot air guide boxes 11a and 11b extend to the vicinity of the ceiling, the hot air Ah reliably reaches the ceiling and is returned to the air conditioner.

  In the embodiment described above, the case where the cold air guide boxes 10a and 10b and the hot air guide boxes 11a and 11b are individually attached has been described. However, the cold air guide boxes 10a and 10b and the hot air are mounted on the rack 2. Both guide boxes 11a and 11b may be attached.

  According to the structure for improving the efficiency of air conditioning in the server room according to the present invention, it is possible to reliably guide the cool air into the rack and to reliably return the hot air to the air conditioner, so that the air conditioning efficiency of the server room is kept good. Contribute to.

1 frame 2 racks
2a rack
2b Rack 3 Passage 4 Floor 5 Passage
10 Air-conditioned air guide box
10a Cold air guide box (air-conditioned air guide box)
10b Cold air guide box (air-conditioning air guide box)
11a Hot air guide box (air-conditioning air guide box)
11b Hot air guide box (air-conditioning air guide box)
20 rack rows
Ac cold wind
Ah warm air

Claims (7)

A server room in which a plurality of racks that can accommodate a plurality of servers are arranged side by side with a passage therebetween, and cold air is blown from the floor of the passage and from the front side of the rack. In the structure for improving the efficiency of air conditioning in the server room, which is supplied into the rack, used for cooling the servers in the rack, and then discharged from the rear side of the rack,
At least one or both of the front and back surfaces of the rack is attached with a frame for an air-conditioned air guide box made of bar material protruding from the rack,
A structure for improving the efficiency of air conditioning in a server room, wherein a peripheral wall member is attached to the frame for the air-conditioned air guide box, and an air-conditioned air guide box is disposed on one or both of the front and rear surfaces of the rack. .   A ceiling member having an antistatic property is attached to an upper portion of the frame, which is attached to the front surface of the rack, and cool air supplied from the floor surface is supplied into the rack from the front surface of the rack. The structure for improving the efficiency of air conditioning in the server room according to claim 1.   The upper end of the frame attached to the back of the rack is extended to the vicinity of the ceiling of the server room, and a bottom member having a flameproof property is attached to the lower part of the frame so that the hot air discharged from the rack can be removed. The structure for improving the efficiency of air conditioning in the server room according to claim 1, wherein the structure is guided to the ceiling of the server room.   The structure for improving the efficiency of air conditioning in the server room according to claim 1, wherein the peripheral wall member attached to the front frame of the rack has antistatic properties.   4. The air conditioning efficiency structure in the server room according to claim 1, wherein the peripheral wall member attached to the frame on the rear surface of the rack has a flameproof property.   6. The air conditioning efficiency structure in a server room according to claim 1, wherein the peripheral wall member, the ceiling member, and the bottom member are plate members. 6. The air conditioning efficiency structure in a server room according to claim 1, wherein the peripheral wall member, the ceiling member, and the plate member are sheet materials.

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