JP2004184070A - Equipment storage rack, air-conditioner for computer room and air conditioning system for computer room - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an equipment storage rack, an air-conditioner for a computer room and an air-conditioning system for the computer room, for sufficiently cooling equipment while contributing to energy saving. <P>SOLUTION: The air-conditioning system for the computer room comprises a passage 4 having an internal space 5 under a floor, an equipment storage rack group 3 installed on both sides across the passage 4 for supplying air from the front face and exhausting heated air to the upper or back face, and the air-conditioner 6. Cooling air blown out of the air-conditioner 6 flows in the internal space 5 under the floor of the passage 4 and is blown out of holes in the floor surface of the passage 4 over the floor of the passage 4 for cooling the equipment stored in the racks 3, and then it flows in a space above the racks 3 and is sucked again into the air-conditioner 6. In at least one rack 3 of the rack group, a wraparound preventing wall 10 (a plate material) protruded outward to a casing 3a is provided near the edge on the upper front side of the casing 3a. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

  The present invention relates to a rack for storing equipment, an air conditioner for a computer room, and an air conditioning system for a computer room, which can be used for a system for cooling devices such as a computer.

  OA equipment, communication devices, and the like tend to be highly integrated and generate high heat. Since the operating temperatures of these devices are set relatively low, inhaling high-temperature air may cause troubles such as system shutdown. For this reason, these devices are housed in a rack installed in the computer room, and adopt a system in which cold air is efficiently sent to the devices by blowing out from a double floor. In the case of a double-floor computer, racks equipped with equipment are roughly divided into those that supply air from the front and exhaust to the rear and upper surfaces, and those that supply air from the lower surface and exhaust to the rear and upper surfaces. There are two types of things.

FIG. 34 shows an example of a computer room air conditioning system that supplies air from the front.
The figure shows a room in a building, which is surrounded by a floor 1, walls (not shown) and a ceiling. A double floor 2 is provided above and separated from the floor 1, and a plurality of racks 3, 3,... Are installed on the double floor 2. The passage 4 is located between these three groups of racks. A space 5 (hereinafter, referred to as an inner space of the double floor 2) 5 is secured under the double floor 2, and electric wiring (not shown) of each rack 3 is accommodated therein. An air conditioner 6 is installed on the double floor 2 outside the passage 4. The air conditioner 6 sucks and cools indoor air from the suction port 6a, and sends out the cooled air from the outlet 6b provided on the bottom surface as cooling air. The electric wiring of the air conditioner 6 is also accommodated in the internal space 5 of the double floor 2. A part of the double floor 2 is provided with a perforated panel 7 located in the passage 4, and cooling air delivered from the air conditioner 6 is supplied onto the double floor 2 through the perforated panel 7. It has become so. Each rack 3 takes in cooling air from the entire front surface (air supply surface 3b) of the housing 3a and exhausts the air upward or rearward from a fan 3c provided on the upper or rear surface.

Next, the operation of the air conditioning system will be described. During operation of the rack 3, the fan 3 c is operated and the air conditioner 6 is operated, and cooling air sent from the air conditioner 6 is supplied to the internal space 5 of the double floor 2. The cooling air supplied to the internal space 5 receives the blowing pressure of the air conditioner 6 and the suction pressure of the fan 3c, passes through the perforated panel 7 on the floor, and further passes through the air supply surface 3b on the front of the rack 3. , Is sent into the housing 3 a of the rack 3. The cooling air sent into the housing 3a of the rack 3 cools the heat-generating equipment in the housing 3a and is discharged upward or rearward. The discharged air is sucked into the suction port 6a of the air conditioner 6 through the upper part of each rack 3 and is again blown out as cooling air.
JP-A-8-303815 JP-A-10-47747

  In recent years, the amount of heat generated by devices used in computer rooms and the like has become extremely large, and this has caused a heat problem that exceeds conventional expectations. That is, as shown in the example of FIG. 34, when the heat-generating equipment is mounted vertically on the rack 3 of the front suction type, the cold air from the double floor does not reach the upper part as indicated by the symbol A. Also, a phenomenon occurs in which the upper portion is warmed by the temperature discharged from the upper surface and the rear surface of the rack as shown by the reference character B, which flows around the air supply surface 3b. Further, when the air conditioner 6 and the perforated panel 7 are close to each other, the cool air blown out from the perforated panel 7 is sucked through the suction port 6a of the air conditioner 6 as it is, and the amount of air flowing through the internal space 5 decreases. Phenomenon (so-called short circuit phenomenon) has also occurred (reference C). As a result, the cool air does not reach a region distant from the air conditioner 6, and it becomes difficult to cool the rack 3 far from the air conditioner 6.

  The present invention has been made in view of the above circumstances, and provides a device housing rack, a computer room air conditioner, and a computer room air conditioning system that can sufficiently cool devices and contribute to energy saving. It is intended to provide.

In the present invention, the following means are employed to solve the above-mentioned problems.
The invention according to claim 1 is a device housing rack in which a device is housed and air is supplied from a front surface and exhausts heated air from an upper surface or a rear surface, wherein the front surface of the air discharged from the upper surface or the rear surface is provided. It is characterized in that a plate member for preventing the wraparound to the side is provided.

  In the present invention, by preventing the air discharged from the upper surface or the rear surface of the rack from wrapping around to the front side, the short circuit of the heated air is less likely to occur, and the rise in the temperature of the upper portion of the rack is suppressed. .

  The air conditioning system for a computer room according to claim 2, which is installed on both sides of a passage having an internal space under the floor, and supplies air from the front side and exhausts heated air from the upper side or the rear side. A rack group and an air conditioner, wherein the cooling air blown from the air conditioner flows through the internal space and is blown out onto the floor of the passage from a hole provided on the floor surface of the passage. In the computer room air-conditioning system, after the cooling air cools the equipment accommodated in the rack, the air flows through the space above the rack and is sucked into the air conditioner again. It is characterized in that a plate member is provided for preventing air discharged from the upper surface or the rear surface from flowing into the front surface side.

In the present invention, by preventing the air discharged from the upper surface or the rear surface of the rack from wrapping around to the front side, the short circuit of the heated air is less likely to occur, and the rise in the temperature of the upper portion of the rack is suppressed. .
In the entire air conditioning system, not all the racks need to be provided with the exhaust heat blocking plate, and the plate may be attached only to a necessary rack (for example, a rack having a large amount of exhaust heat). However, by providing plate members in many (or all) racks, a flow path guided by the plate members to the air conditioner can be formed above the group of racks.

  The air conditioner for a computer room according to claim 3, wherein an air inlet is provided on an upper surface of a housing, and the air conditioner for a computer room cools equipment in the computer room. And a plate member for preventing the air from flowing into the upper surface side from above.

  In the present invention, by preventing the air from flowing from the lower front surface to the upper surface side of the housing by the plate member, a short circuit of the cool air blown out by the air conditioner is less likely to occur, and the cooling efficiency is improved.

  The air conditioning system for a computer room according to claim 4, which is installed on both sides of a passage having an internal space below the floor, and supplies air from the front side and exhausts hot air from the upper side or the rear side. A rack group and an air conditioner provided with an intake port on the upper surface of the housing, and cooling air blown out from the air conditioner flows through the internal space and is provided on the floor of the passage. A computer which is blown out onto the floor of the passage from the hole formed, cools the equipment accommodated in the rack, flows through the space above the rack, and is sucked into the air conditioner again. In the room air-conditioning system, a plate member that prevents air from flowing from the lower front surface of the housing of the air conditioner to the upper surface side is provided.

  In the present invention, by preventing the air from flowing from the lower front surface to the upper surface side of the housing by the plate member, a short circuit of the cool air blown out by the air conditioner is less likely to occur, and the cooling efficiency is improved.

  The air conditioning system for a computer room according to claim 5, which is installed on both sides of a passage having an internal space under the floor, and supplies air from the front side and exhausts heated air from the upper side or the rear side. A rack group and an air conditioner, wherein the cooling air blown from the air conditioner flows through the internal space and is blown out onto the floor of the passage from a hole provided on the floor surface of the passage. In the computer room air-conditioning system, after the cooling air cools the equipment housed in the rack, the air flows through the space above the rack and is sucked into the air conditioner again. And a wall for blocking the passage is provided, and the air conditioner is positioned outside the passage with the wall interposed therebetween.

  In the present invention, by blocking the space between the passage and the air conditioner by the wall, the cool air blown out above the passage is taken into the rack, and after cooling the equipment in the rack, is taken into the air conditioner. In addition, the short circuit of the cold air blown out by the air conditioner hardly occurs, and the cooling efficiency is improved.

  According to a sixth aspect of the present invention, in the computer room air-conditioning system according to the fifth aspect, a wall for blocking the passage is provided at the other end of the passage.

  In the present invention, the passage is also blocked by the wall at the other end of the passage, so that the exhaust heat exhausted from the rack is prevented from flowing around and entering the passage.

  According to a seventh aspect of the present invention, in the computer room air-conditioning system according to the fifth or sixth aspect, the plate member that prevents air discharged from the upper surface or the rear surface of the rack group from flowing toward the front surface is provided. It is characterized by being provided.

In the present invention, by preventing the air discharged from the upper surface or the rear surface of the rack from wrapping around to the front side, the short circuit of the heated air is less likely to occur, and the rise in the temperature of the upper portion of the rack is suppressed. .
In the entire air conditioning system, not all the racks need to be provided with the exhaust heat blocking plate, and the plate may be attached only to a necessary rack (for example, a rack having a large amount of exhaust heat). However, by providing plate members in many (or all) racks, a flow path guided by the plate members to the air conditioner can be formed above the group of racks.

  According to an eighth aspect of the present invention, in the computer room air conditioning system according to the fifth or sixth aspect, a shield is provided between upper surfaces of the rack groups on both sides of the passage, and the shield is provided. The upper part of the passage is shielded by the passage.

  In the present invention, since the upper portion of the passage is shielded by the shield, a short circuit of hot air is less likely to occur, and a rise in the temperature of the upper portion of the rack is suppressed.

  According to a ninth aspect of the present invention, in the computer room air conditioning system according to any one of the fifth to eighth aspects, a wall provided at an end of the passage is provided with an openable / closable door. It is characterized by.

  In the present invention, a person can enter and exit through the door.

  According to a tenth aspect of the present invention, in the computer room air conditioning system according to the eighth aspect, the shield includes a slide plate slidably supported between the rack side and a space above the passage. It is characterized by having.

  In the present invention, for example, at the time of maintenance, the illuminance is ensured by sliding the slide plate to open a space above the passage.

  According to an eleventh aspect of the present invention, in the computer room air-conditioning system according to the eighth aspect, the shield is provided with a clip fixed to the rack and a detachably fixed upper portion of the passage by the clip. It is a shielding material to cover.

  In the present invention, since the shielding member can be easily removed, the necessary illuminance is secured by removing the shielding member from the clip during maintenance, for example.

  According to a twelfth aspect of the present invention, in the computer room air conditioning system according to the eighth aspect, the shield includes a plurality of wires stretched between the rack groups on both sides of the passage, and the wires And a shielding member that is supported by the cover and covers the upper portion of the passage.

  In the present invention, since the shielding member can be easily removed, for example, at the time of maintenance, the shielding member is removed from the wire to secure a necessary illuminance.

  According to a thirteenth aspect of the present invention, in the computer room air-conditioning system according to the eighth aspect, the shield is a roof in which ends of two side plates are rotatably connected to form a top. It is characterized by the following.

  In the present invention, since the height of the shield at the upper part of the passage can be sufficiently set in the present invention, it is possible to configure without feeling of pressure. Further, by changing the apex angle, it is possible to cope with various passage widths.

  According to a fourteenth aspect of the present invention, in the computer room air-conditioning system according to the eighth aspect, the shield is an arch-shaped roof extending between the rack groups on both sides of the passage. It is characterized by.

  In the present invention, since the height of the shield at the upper part of the passage can be sufficiently set, it is possible to configure without feeling of pressure. In addition, by adopting a flexible material, the width of the arch can be changed, and it is possible to cope with various passage widths.

  According to a fifteenth aspect of the present invention, in the computer room air conditioning system according to the fourteenth aspect, the shielding body includes a plurality of arch-shaped frames and a shielding member supported by the frames and covering an upper portion of the passage. There is a feature.

  In the present invention, the length of the shielding material can be easily changed by using a flexible material for the shielding material and changing the distance between the plurality of frames.

  According to a sixteenth aspect of the present invention, in the computer room air-conditioning system according to the fourteenth or fifteenth aspect, there is provided a strut for urging both ends of the shield in a direction to separate the two ends from each other. The shield is supported between racks on both sides of the passage by force.

  In the present invention, since it is configured to be attached between the racks by being urged by the strut from the inside of the shielding member, it is possible to cope with various passage widths.

  The invention according to claim 17, comprising: a rack group for equipment storage for supplying air from the front side and exhausting heated air from the upper side, and an air conditioner, and cooling air blown out from the air conditioner. However, in a computer room air-conditioning system that cools the equipment housed in the equipment housing rack, an internal space provided above the ceiling, an inner space above the ceiling and an exhaust port of the equipment housing rack. A direct connection duct and a duct directly connecting the internal space behind the ceiling and the air inlet of the air conditioner are provided.

  In this invention, the air discharged from the rack is reliably guided by the duct connecting the rack and the internal space, and is introduced into the internal space above the ceiling. The air introduced into the internal space is surely guided by a duct connecting the internal space and the air conditioner, and is sucked into the air conditioner. Note that the position of the exhaust port is not limited, as long as the exhaust port and the internal space are directly connected.

  According to an eighteenth aspect of the present invention, in the computer room air conditioning system according to the seventeenth aspect, the air conditioner sucks air exhausted from an equipment housing rack through the internal space behind the ceiling to cool the air. And then blow it back into the room.

  In the present invention, the air discharged from the rack is reliably sucked into the air conditioner through the duct and cooled again.

  According to a nineteenth aspect of the present invention, in the computer room air conditioning system according to the seventeenth aspect, the air conditioner sucks air exhausted from a rack for accommodating the equipment through an internal space behind the ceiling to allow outdoor air conditioning. It is characterized in that the air taken in from the outside is cooled, and the air is cooled and blown out into the room.

  In the present invention, the air discharged from the rack is reliably sucked into the air conditioner through the duct, and is discharged outside without being cooled.

  According to a twentieth aspect of the present invention, in the computer room air conditioning system according to the seventeenth aspect, the air conditioner sucks air exhausted from the equipment accommodating rack through an internal space behind the ceiling. The operation is switched between an operation of cooling the exhaust gas again and blowing the exhaust gas indoors and an operation of discharging the exhaust gas to the outdoor according to the outdoor temperature.

  In the present invention, optimal air conditioning can be performed according to the outside air temperature.

  The invention according to claim 21 is provided with a group of equipment housing racks for supplying air from the front side and exhausting heated air from the upper side, and an air conditioner, and cooling air blown out from the air conditioner. However, in a computer room air-conditioning system that cools the equipment housed in the equipment housing rack, an internal space provided above the ceiling, an inner space above the ceiling and an exhaust port of the equipment housing rack. A duct is directly connected, and the air exhausted from the rack for accommodating the equipment is exhausted outside through the duct and the internal space behind the ceiling.

  In the present invention, the air exhausted from the rack is reliably introduced into the space above the ceiling through the duct, and is exhausted outside the room. By providing an exhaust fan in the space above the ceiling, it is possible to reliably exhaust air outside the room.

In the present invention, the following effects can be obtained.
According to the first or second aspect of the present invention, by preventing the air discharged from the upper surface or the rear surface of the rack from wrapping around to the front side by the plate material, a short circuit of heated air is less likely to occur. The temperature rise at the top of the rack is suppressed. Therefore, even the upper part of the rack can be sufficiently cooled.
According to the third or fourth aspect of the present invention, the board prevents the air from flowing from the lower front surface to the upper surface side of the housing, so that the short circuit of the cool air blown out by the air conditioner is less likely to occur and the cooling is performed. Efficiency is improved. Therefore, it is possible to improve the cooling capacity of the air conditioner and save energy.
According to the invention as set forth in claim 5, by blocking the space between the passage side and the air conditioner side by the wall, the cool air blown out above the passage is taken into the rack, and after cooling the equipment in the rack. The short circuit of the cold air which is taken into the air conditioner and blown out by the air conditioner is unlikely to occur, thereby improving the cooling efficiency. Therefore, it is possible to improve the cooling capacity of the air conditioner and save energy.
According to the sixth aspect of the present invention, since the passage is also blocked by the wall at the other end of the passage, it is possible to prevent exhaust heat exhausted from the rack from flowing around and entering the passage. Therefore, the rack can be sufficiently cooled.
According to the invention described in claim 7, by preventing the air discharged from the upper surface or the rear surface of the rack from wrapping around to the front side, the short circuit of the heated air is less likely to occur, and the upper portion of the rack is less likely to occur. Temperature rise is suppressed. Therefore, even the upper part of the rack can be sufficiently cooled.
According to the eighth aspect of the present invention, since the upper portion of the passage is shielded by the shielding plate, a short circuit of hot air is less likely to occur, and a rise in the temperature of the upper portion of the rack is suppressed. Therefore, even the upper part of the rack can be sufficiently cooled.
According to the ninth aspect, a person can enter and exit through a door provided on the wall.
According to the tenth to sixteenth aspects of the present invention, since the upper part of the passage is shielded by the shielding plate, a short circuit of heated air is less likely to occur, and the rise in the temperature of the upper part of the rack is suppressed. Therefore, even the upper part of the rack can be sufficiently cooled.
According to the invention as set forth in claims 17 to 21, since the exhaust of the rack is reliably guided to the internal space behind the ceiling by the duct, the air is prevented from flowing around and the cooling efficiency is improved. Therefore, it is possible to improve the cooling capacity of the air conditioner and save energy.

Next, an embodiment of the present invention will be described with reference to the drawings. The same components as those of the related art are denoted by the same reference numerals, and description thereof will be omitted.
In the present embodiment, a wraparound wall (plate) projecting outward from the housing is provided in the upper part of the rack 3 and near the edge of the housing on the front side. In the example of FIG. 1A, a wraparound wall 10 having a support member 10 a at the lower edge is placed on the upper surface of the rack 3 and on the side edge of the air supply surface 3 b (even if it is fixed). 1 (b), the wraparound wall 11 is fixed to the upper end of the air supply surface 3b of the rack 3 with bolts 11a. These wrap-around preventing walls 10 and 11 are provided vertically, but face toward the air supply surface 3b side of the rack 3 as shown in a modification (wrap-around preventing walls 10 'and 11') of FIGS. May be inclined. Further, as shown in a modified example of FIGS. 3A and 3B (wrap-around preventing walls 10 ″ and 11 ″), the rack 3 may be provided horizontally in the direction of the air supply surface 3 b. These wrap-around preventing walls 10 ', 11', 10 ", and 11" are fixed to the housing 3a by bolts 10a ', 11a', 10a ", and 11a", respectively.
With this configuration, it is possible to prevent the warm air blown from above or from the back of the rack 3 from going around the rack 3 and being sucked from the air supply surface 3b. Therefore, even the equipment housed in the upper part of the rack 3 can be sufficiently cooled.
The wrap-around preventing wall 11 can be fixed by means other than bolts, such as a magnet, a suction cup, and a clamp mechanism.

Further, as shown in FIG. 4, the air conditioner 6 may be provided with a similar wraparound wall 12. In the figure, a wrap-around preventing wall 12 is provided vertically at the edge of the upper surface of the housing of the air conditioner 6 and on the front side (the side of the passage 4 for sending cool air). In this case, since the airflow is blocked, it becomes difficult for the cool air blown out from the perforated panel 7 to be directly sucked into the suction port 6a of the air conditioner 6 (the short circuit phenomenon shown by the symbol C in FIG. 9 is prevented). ). Therefore, a sufficient amount of cool air can be supplied to the internal space 5, and the cool air can be sufficiently sent to the rack 3 remote from the air conditioner 6, so that the cooling efficiency can be improved.
The posture of the wrap-around prevention wall 12 is not only a vertical posture but also a tilted or horizontal posture as in the wrap-around prevention walls 10, 10 ', 10 ", 11, 11', and 11" in FIGS. You may.
FIG. 4 is a view showing the entire computer room air conditioning system, and a plurality of racks 3 are provided on both sides of the passage 4. These racks 3 may be provided with the wrap-around preventing walls 10 of FIGS. As described above, the flow path leading to the air conditioner 6 is formed by the wraparound walls 10 above the third rack group. Therefore, the exhaust heat discharged above the rack 3 is guided by each of the wraparound walls 10 and is sucked into the suction port 6 a of the air conditioner 6.
Therefore, since the exhaust heat is prevented from being taken into the rack 3 again before reaching the air conditioner 6, the rack 3 can be sufficiently cooled.
Instead of the wraparound wall 10, wraparound walls 10 ', 10 ", 11, 11', and 11" may be used.
Further, each of the wrap-around preventing walls 10, 10 ′, 10 ″, 11, 11 ′, and 11 ″ of this embodiment is fixed to the housing 3 a of the rack 3, but as shown in FIG. May be suspended from the ceiling and arranged at a predetermined position.

Next, another embodiment of the present invention will be described. In FIG. 6, reference numeral 13 denotes a wall that is located on the side of the passage 4 on the side of the air conditioner 6 and blocks the passage 4. The wall 13 is provided with an openable and closable door 13a.
With such a configuration, the space between the passage 4 side and the air conditioner 6 side is blocked by the wall 13, and the cool air blown out from the perforated panel 7 is directly sent to the suction port 6 a of the air conditioner 6. Inhalation is prevented (prevention of short circuit phenomenon). Therefore, a sufficient amount of cool air can be supplied to the internal space 5, and the cool air can be sufficiently sent to the rack 3 remote from the air conditioner 6, so that the cooling efficiency can be improved.
Further, since the door 13a is provided, the worker can enter and exit the passage through the door.

Further, a wall 14 having a door 14a which can be opened and closed may be provided at the other end of the passage 4 as shown in FIG. This prevents the exhaust heat exhausted from the rack 3 from wrapping around the other end of the passage 4 and entering the passage. Therefore, even the equipment housed in the upper part of the rack 3 on the other end side can sufficiently cool. Further, the provision of the door 14a allows the worker to enter and exit the passage through the door.
Although not shown, the doors 13a and 14a may be provided with ventilation holes in order to secure appropriate ventilation when the air volume from the air conditioner 6 is not sufficient. In that case, providing a ventilation opening as low as possible below the door can take in air at a lower temperature, and the cooling effect can be further enhanced.

Further, as shown in FIG. 8, the wraparound prevention wall 10 (or the wraparound prevention wall 11) of FIGS. 1 to 3 may be provided for the embodiment of FIGS. 6 and 7. As described above, the flow path leading to the air conditioner 6 is formed by the wraparound walls 10 above the third rack group. Therefore, the exhaust heat discharged above the rack 3 is guided by each of the wraparound walls 10 and is sucked into the suction port 6 a of the air conditioner 6.
Therefore, since the exhaust heat is prevented from being taken into the rack 3 again while reaching the air conditioner 6, the rack 3 can be sufficiently cooled.
Instead of the wrap-around prevention walls 10 and 11, wrap-around prevention walls 10 ', 10 ", 11' and 11" may be used. However, in the present embodiment, as shown in FIG. 8, the upper edge of the passage 4 is surrounded by the sneak-prevention wall 10 and the walls 13 and 14 which vertically protrude from the edge of the rack 3. .

As still another embodiment, a configuration as shown in FIG. 9 may be employed. In the present embodiment, a shielding plate (shielding body) 16 provided between the upper surfaces of the racks 3 on both sides of the passage 4 is provided.
Thus, the passage is shielded by the shield plate 16 and both ends are blocked by the walls 13 and 14, so that exhaust heat exhausted above the rack 3 is prevented from entering the passage 4. Therefore, the rack 3 can be sufficiently cooled, and a high cooling effect can be obtained.
Although the shielding plate 16 of the present embodiment is supported between the upper surfaces of the racks 3, the shielding plate may be suspended from the ceiling and arranged at a predetermined position as shown in FIG. 10. (In FIG. 10, an end plate having the same function as the wraparound prevention wall is provided on the shielding plate 16, but a high cooling effect can be obtained only by the shielding plate 16.)

Further, the following shields may be used instead of the shield plate 16 in FIG.
FIG. 11 shows a shield 20 provided with a slide plate 23 slidably supported between the rack 3 and the space above the passage 4. A plurality of the shields 20 are provided side by side in the racks 3 on both sides of the passage so as to face each other. As shown in FIG. 12, the rack 3 is originally provided with a rack connecting bar 21 and fixing bolts 22 for the rack connecting bar 21. As shown in FIG. It is fixed to the rack 3 using fixing bolts 22. Specifically, in FIG. 13, reference numeral 23 denotes a slide plate, and reference numeral 24 denotes a storage unit that can store the slide plate 23. As shown in FIG. 13B, the storage portion 24 has a substantially U-shape in a side view, and a bottom plate 24a on the base end side and an upper plate 24b parallel to the bottom plate 24a are connected by a connecting plate 24c perpendicular to these. It has become. The bottom plate 24a is fixed between the rack 3 and the rack connecting bar 21 by fixing bolts 22. Grooves 25 into which the slide plates 23 are inserted are provided on the left and right sides of the upper plate 24b. By sliding the slide plates 23 along the grooves 25, the slide plates 23 are put out to the passage 4 side or housed in the storage portion 24. It is possible to do. After the slide plate 23 is positioned, the slide plate 23 can be fixed by fixing screws 26 provided on the lower surface of the upper plate 24b.
Reference numeral 23a denotes a handle protruding downward from the lower surface of the slide plate 23, and it is easy to hold the handle 23a by hand when putting the slide plate 23 in and out.

The configuration of the storage section 24 will be described more specifically. The connecting bar 21 and the fixing bolt 22 are originally provided on the rack, but their positions differ depending on the specifications of the rack 3. Therefore, in order to install this unit, the position of bolting is adjusted by a device as shown in FIG. 14 (a) or (b).
In the example of FIG. 14A, a long hole 24d is provided in the bottom plate 24a along the direction in which the racks 3 are continuously connected (passage direction), and corresponds to various rack specifications (bolt hole positions). It can be fixed.
In the example of FIG. 14B, a fixing bar 27 is provided on the bottom plate 24 a of the storage unit 24, and the fixing bar 27 is fixed to the rack 3 by the fixing bolt 22. A plurality of holes 28 are provided on the bottom plate 24a main body side. An appropriate one is selected from the plurality of holes 28, and the fixing bar 27 and the bottom plate 24a main body are fixed by bolts 29. The plurality of holes 28 may be elongated holes to adjust the bolting position.
When performing maintenance on the rack provided with such a shield 20, the slide plate 23 is opened as shown in FIG. 15 so that the illumination provided on the ceiling reaches the passage 4.
The material of the slide plate 23 may be any material such as a metal plate, a net, a resin plate, and a glass plate. If the slide plate 23 is made of a material that transmits light to some extent, required illuminance can be secured without sliding. Further, lighting may be attached to the shield 20.

The present shield 20 may be a modified example (shield 20 ′) of FIG. The shield 20 ′ shown in FIG. 16 has the same configuration as the shield 20, except for the configuration of the slide plate. In the shield 20 ', one slide plate 23' longer than the slide plate 23 slides between the storage portions 24, 24 provided to face each other with the passage therebetween. When the slide plate 23 'is stored, the slide plate 23' is stored in the storage portion 24 on one side, and when in use (during shielding), the slide plate 23 'is pulled out toward the storage portion 24 on the other side. It is supported by the part 24.
According to this configuration, the fixing screw 26 only needs to be provided in the storage section 24 on one side, and the handle 23a is not required. Therefore, it can be installed at a lower cost than the shield 20.
Further, a modified example (shield 20 ") shown in Fig. 17 may be adopted. In this modified example, one shield 20" is provided so as to straddle the passage. In the shield 20 ″, a storage portion 24 ′ longer than the storage portion 24 is provided on one rack, and a support portion 24 ″ is provided on the other rack instead of the storage portion 24. The support portion 24 ″ has the same configuration as the storage portion 24, but is not provided with the upper plate 24b, and is configured to support the slide plate 23 ′ by the upper end of a member 24c ′ corresponding to the connection plate 24c. The slide plate 23 'is slidably supported by a storage portion 24', is stored in one storage portion 24 'when stored, and is pulled out toward the support portion 24 "side when used (when shielded) and is used as a tip. Are supported by the support portion 24 ″.
According to this configuration, the fixing screw 26 need only be provided on one side, and the handle 23a is not required. Therefore, it can be installed at a lower cost than the shield 20.

The shield 30 shown in FIG. 18 includes a clip 31 fixed to the rack 3 and a non-combustible sheet 32 as a shield that is detachably fixed to the clip and covers the upper part of the passage. The clip 31 has a configuration in which a proximal end 31a is fixed to the rack 3 by bolts, and a distal end 31b side sandwiches the noncombustible sheet 32 by elastic force.
In this example, since the non-combustible sheet 32 can be easily removed, the necessary illuminance is secured by removing the non-combustible sheet 32 from the clip 31 during maintenance, for example. If the material of the non-combustible sheet 32 is made of a material that transmits light to some extent, maintenance can be performed with the non-combustible sheet 32 attached.
Since the width of the non-combustible sheet 32 can be easily changed as appropriate, the shield 30 can be easily installed in accordance with the width of the passage 4 or the width of the rack 3.

The shield 33 shown in FIG. 19 includes two frames 34 and 35 that are respectively installed on racks on both sides of the passage. Since the flexible non-combustible sheet 36 is fixed to these frames 34 and 35, the non-combustible sheet 36 serves as a shielding material for covering the upper part of the passage.
The configuration of the frames 34 and 35 will be described in detail. By providing long holes 34a, 35a similar to the long holes 24d in FIG. 14 (a) on the lower surfaces of the frame bodies 34, 35, the bolting position can be adjusted. At least one of the frames 34 and 35 is openable and closable as described below (the frame 35 will be described below). As shown in FIG. 20, the frame 35 includes a frame body 35b and a holding body 35c fixed to the frame body 35b. Bolt holes 35d and 35e are provided on one side surface of the frame body 35b and the holding body 35c, respectively. On the other side, the holding body 35c is rotatably supported by the frame body 35b by a hinge structure. ing. The bolt 35f (see FIG. 19) is fixed to the bolt holes 35d and 35e in a state where the noncombustible sheet 36 is sandwiched between the holding body 35c and the frame body 35b, so that the noncombustible sheet 36 is attached to the frame 35. Fixed. Note that both side surfaces of the frame body 35b and the holding body 35c may be bolted.
The frame body 34 is not always openable and closable like the frame body 35, and the non-combustible sheet 36 may always be in a fixed state.
An extra end of the non-combustible sheet 36 that protrudes from the frame 35 at the time of fixing is folded as necessary to be sandwiched or cut between the holding body 35c and the frame body 35b.
When removing the cover with the non-combustible sheet 36 at the time of maintenance or the like, the bolt 35f is removed, the holding body 35c is opened, and the non-combustible sheet 36 is fixed.
With this configuration, the upper part of the passage can be shielded according to the width of various passages. At the time of maintenance, the required illuminance can be easily secured by removing the non-combustible sheet 36 from the frame 35. Further, if the material of the non-combustible sheet 36 is made of a material that transmits light to some extent as in the case of the above-described shield 30, maintenance can be performed with the non-combustible sheet 36 attached.

  Further, as a modified example of the above-described shield 33, as shown in FIG. 21, a roll 36A on which the noncombustible sheet 36 is wound is housed in the frame 34 side, and when the noncombustible sheet 36 is fixed, the roll 36A is used. The non-combustible sheet 36 may be pulled out and fixed to the frame 35. During maintenance, the non-combustible sheet 36 is wound around a roll 36A.

The shield 37 shown in FIG. 22 includes a plurality of wires 38 stretched between three groups of racks on both sides of the passage 4, and a non-combustible sheet as a shielding material supported by the wires 38 and covering the upper portion of the passage 4. 39. The non-combustible sheet 39 is fixed to the wire 38, but may be fixed to the rack 3.
In this example, since the non-combustible sheet 39 can be easily removed, the necessary illuminance is secured by removing the non-combustible sheet 39 from the wire 38 during maintenance, for example. Further, if the material of the non-combustible sheet 39 is made of a material that transmits light to some extent as in the case of the above-described shield 30, maintenance can be performed with the non-combustible sheet 39 attached.

The shield 40 shown in FIG. 23 has a shape in which two side plates 41 and 42 are formed in a mountain shape, and the side plates 41 and 42 are rotatably connected at their ends by hinge portions 43. The hinge portion 43 is the top of the roof, and the angle of the top angle can be freely changed. Further, fixing bars 46 are provided on the lower edges of the side plates 41 and 42, respectively.
This shield 40 is also fixed to the rack by the rack connecting bar 21 and the fixing bolts 22 similarly to the shield 20. Therefore, in order to install this unit, the position of bolting is adjusted by means as shown in FIG. 24 (a) or (b).
Referring to FIG. 24 (a), the side plates 41, 42 are provided with fixing bars 46 rotatably via hinges 44, 45. The fixing bar 46 is provided with a long slot 46a long in the rack connecting direction (passage direction), and can be fixed according to various rack specifications (bolt hole positions). By rotating the hinge portions 44 and 45 and the hinge portion 43 at the time of fixing, the width of the shielding body 40 can be freely changed according to the passage width.
In the example of FIG. 24B, fixed portions 41a and 42a are rotatably fixed to the side plates 41 and 42 via hinge portions 44 and 45, respectively. The fixing portions 41 a and 42 a are provided with a plurality of holes 48, which are appropriately selected from the holes 48, and the fixing bar 46 is fixed by fixing bolts 49. The fixing bar 46 is fixed to a predetermined position of the rack 3 by a fixing bolt 22 for rack connection (see FIG. 12). At this time, the width of the shield 40 can be freely changed according to the width of the passage by rotating the hinges 44 and 45 and the hinge 43.
As described above, according to the present shielding body 40, the height of the shielding body at the upper portion of the passage can be sufficiently set, so that it is possible to configure without any feeling of oppression. By changing the apex angle, it is possible to cope with various passage widths.
The side plates 41 and 42 may be made of any material such as a metal plate, a net, a resin plate, and a glass plate.

  The shield 50 shown in FIG. 25 has an arched roof that is passed between racks. The shield 50 includes a pair of arch-shaped frames 51 and a non-combustible material 52 as a shielding material that is supported by the frames 51 and covers the upper part of the passage 4. (If necessary, the number of frames 51 may be increased, or a crossbar 53 connecting the frames 51 may be provided.) The material of the frame 51 is a flexible material, and the distance between the opposing edges is changed. Be able to do it. Thereby, it is possible to cope with various passage intervals. Further, since the height of the shield at the upper part of the passage can be sufficiently set, the structure can be realized without feeling of oppression. By using a material that transmits light to some extent or more, necessary illuminance can be secured without providing illumination.

  As another example of the arched shield, the configuration shown in FIG. 26 may be used. The shield 55 in FIG. 26 includes a plurality of arch-shaped frames 56 and a non-combustible material 57 as a shield supported by the frames 56 and covering the upper part of the passage 4. The non-combustible material 57 is formed of a material having flexibility or elasticity, and is stuck between the frames 56 with a loose play. The frames 56 are formed by changing the distance between the shields 55 to some extent in the longitudinal direction of the shield 55. It can be fixed to.

  The shield 58 in FIG. 27 does not have a frame, and has a configuration in which an arch-shaped shield 59 made of a resin material is fixed to the rack 3 via a clip 60. The clip 60 has a base end fixed to the rack 3 and a shielding member 59 elastically detachably fixed at the distal end.

Further, a strut 63 may be used as in a shield 62 in FIG. The shielding body 62 shown in the figure includes an arch-shaped shielding material 64 made of resin, an edge portion 65 provided at both ends of the shielding material 64, and a tension bar 63 for urging the edge portion 65 in a direction away from each other. Prepare. The edge portion 65 includes a beam portion 65a covering the entire edge of the shielding member 64, a plate 65b extending outward from an appropriate position of the beam portion 65a, and a plate 65c extending downward from the same position. The strut bar 62 urges the vicinity of the base end of the plate 65b of the beam portion 65a.
As a modified example of the shield 62, the plate 65c may be urged as shown in FIG. 29A, or the shield 64 may be urged directly as shown in FIG. 29B. It may be. Further, the plate 65c may not be provided as shown in FIG.
Also, like the shield 68 in FIG. 30, the strut 63 may be applied to the shield 55 in FIG. In the illustrated shield 68, each end of the skeleton 56 is fixed to an edge 69. The edge portion 69 itself has a variable length in the longitudinal direction by sliding the constituent members 69a and 69b together.
In each of the above examples, since the configuration is such that the elastic member is urged by the tension bar 63 from the inside of the shielding member and is attached between the racks, it is possible to cope with various passage widths.

Next, another embodiment will be described. Note that the same components as those of the related art are denoted by the same reference numerals, and description thereof is omitted.
In the present embodiment, a double ceiling structure including a first ceiling 75 and a second ceiling 76 is provided between the first ceiling 75 and the second ceiling 76 (the ceiling of the second ceiling 76). (Back) has an internal space 77. In addition, a duct 78 that directly connects the internal space 77 and the upper surface of the equipment housing rack 3 and a duct 79 that directly connects the internal space 77 and the suction port 6a of the air conditioner 6 are provided. In the present embodiment, the rack 3 is configured to exhaust air from the fan 3c (exhaust port) on the upper surface as shown in FIG. 1, and the duct 78 guides the warm air exhausted from the rack 3 to the internal space 77. I have. The duct 79 guides the air in the internal space 77 to the air conditioner 6.

With this configuration, the exhaust air (warm air) blown out from above the rack 3 is reliably introduced into the internal space 77 by the duct 78, and is guided to the air conditioner 6 through the duct 79. In the air conditioner 6, the exhaust gas is cooled, supplied again to the internal space 5 of the double floor 2, and used for cooling the rack 3.
Therefore, in the present embodiment, it is possible to prevent the warm air blown out from the rack 3 from wrapping around the rack 3 and being sucked, and even if the device is housed in the upper part of the rack 3. Sufficient cooling can be performed.

As a modification of the above-described embodiment, a configuration shown in FIG. 32 may be used. In the present embodiment, the air conditioner 6 exhausts the air sucked from the internal space 77 to the outside, cools the air taken in from the outside, and blows the air into the room.
In the present modified example, the air discharged from the rack 3 is reliably sucked into the air conditioner through the ducts 78 and 79, and is exhausted outside the room.
Furthermore, an air conditioner that can appropriately switch the flow of the air in FIGS. 31 and 32 based on the outdoor temperature may be used. That is, based on the outdoor temperature (or based on the difference between the outdoor temperature and the exhaust temperature of the rack 3), when the outdoor temperature is higher than a predetermined level, the air conditioner 6 cools the exhaust of the rack 3 sucked through the duct 79. Then, an operation of supplying the double space 2 to the internal space 5 is performed again. When the outdoor temperature is sufficiently low, the air conditioner 6 performs an operation of sucking air from the outdoor to cool it, and supplying cool air to the internal space 5 of the double floor 2. Depending on the low outdoor temperature, the outdoor air may be used for cooling without cooling.
By switching the operation based on the outdoor temperature in this way, efficient cooling can be performed.

Furthermore, the modification shown in FIG. 33 may be used.
In FIG. 33, an exhaust fan 80 for exhausting the air in the internal space 77 to the outside of the room is provided. The duct 79 in FIG. 31 is not provided in this modification.
In this modification, the air exhausted from the upper surface of the rack 3 flows from the duct 78 into the internal space 77 behind the ceiling, and is exhausted outside by the exhaust fan 80. The air conditioner 6 cools the air taken in from outside and blows it out into the room.
As described above, in the present embodiment, the warm air blown out of the rack 3 is reliably exhausted to the outside, so that the warm air is prevented from wrapping around and the equipment housed in the upper part of the rack 3 is sufficient. Can be cooled.

  By the way, in each of the above-mentioned embodiments, the floor 2 is double-structured, and the cooling air sent from the air conditioner 6 is supplied to the floor through the perforated panel 7 provided on the floor. However, in the present invention, the cooling air does not necessarily need to be supplied from under the floor. For example, cooling air may be blown out from an outlet provided on a wall surface, or cooling air may be supplied from an air conditioner installed indoors.

It is the figure which showed the wraparound prevention wall of the rack as one Embodiment of this invention. It is the figure which showed the wraparound prevention wall of the rack as another embodiment of this invention. It is the figure which showed the wraparound prevention wall of the rack as another embodiment of this invention. It is the figure which showed about the wraparound prevention wall provided in the air conditioner as another embodiment of this invention, and the wraparound prevention wall provided in the rack group. It is the figure which showed the state in which the wrap prevention wall of the rack was hung from the ceiling as another embodiment of this invention. It is a figure showing a wall as another embodiment of the present invention. It is the figure shown about other embodiments in which the wall was provided also at the other end side of the passage. It is the figure which showed the state in which the wall was provided in the both ends of the path | pass, and also the wraparound prevention wall was provided in the rack group. It is the figure which showed the state where the wall was provided in the both ends of the passage, and the shielding plate which shields the passage was provided. It is the figure which showed the state which hung the shielding board which shields a passage from the ceiling. It is a figure showing other examples of a shield. It is the figure which showed about the rack of the state in which the shielding body is not fixed, (a) is a top view, (b) is a side view. It is the figure which showed about the rack in the state to which the shielding body was fixed, (a) is a top view, (b) is a side view. It is a figure showing a part of the same shield. It is a figure showing about a use state of the same shield. It is a figure showing a modification of the same shield. It is a figure showing a modification of the same shield. It is a figure showing other examples of a shield. It is a figure showing other examples of a shield. It is the figure which showed about the state at the time of attaching a noncombustible sheet in the same shield. It is a figure showing a modification of the same shield. It is a figure showing other examples of a shield. It is a figure showing other examples of a shield. It is a figure showing a part of the same shield. It is a figure showing other examples of a shield. It is a figure showing other examples of a shield. It is a figure showing other examples of a shield. It is a figure showing other examples of a shield. It is a figure showing a modification of the same shield. It is a figure showing other examples of a shield. FIG. 10 is a diagram illustrating another embodiment of the present invention. It is a figure shown about the same modification. It is a figure shown about the same modification. It is the figure which showed about the conventional air conditioning system for computer rooms.

Explanation of reference numerals

2 Double floor 3 Rack 4 Passage 5 Internal space 6 Air conditioner 7 Perforated panel 10, 10 ', 10 ", 11, 11', 11" Wall (plate)
12 Wall 13, 14 Wall 13 a, 14 a Door 16 Shield plate (shield)
20, 20 ', 20 "Shield 23 Slide plate 30 Shield 35 Shield 36 Wire 37 Shield 40 Shield 41, 42 Side plates 50, 55, 58, 62, 68 Shield 56 Frame 57 Shield 63 Strut rod 77 Interior space above the ceiling 78 Duct 79 Duct

Claims (21)

In a device housing rack in which devices are housed and air is supplied from the front and exhausts heated air from the top or back,
A rack for accommodating equipment, provided with a plate member for preventing air discharged from the upper surface or the rear surface from flowing around to the front surface side. An air conditioner, which is provided on both sides of a passage having an internal space below the floor and supplies air from the front and exhausts heated air from the upper surface or the rear surface; and an air conditioner. The cooling air blown out of the device flows through the internal space, and is blown out onto the floor of the passage from a hole provided on the floor of the passage, and the cooling air is stored in the rack. In the air conditioning system for a computer room, after cooling, the air flows in the space above the rack and is sucked back into the air conditioner.
An air conditioning system for a computer room, comprising: a plate member for preventing air discharged from the upper surface or the rear surface of the rack group from flowing into the front surface. In an air conditioner for a computer room which is provided with an intake port on the upper surface of the housing and cools equipment in the computer room,
An air conditioner for a computer room, wherein a plate member for preventing air from flowing from a lower front surface to the upper surface side is provided in the housing. A rack group for equipment accommodation that is installed on both sides of the passage with an internal space under the floor and supplies air from the front and exhausts hot air from the top or back and an intake port on the top of the housing Cooling air blown out of the air conditioner flows through the internal space, and is blown out onto the floor of the passage from a hole provided in the floor of the passage, and the cooling air In the computer room air conditioning system, after the air for use cools the equipment accommodated in the rack, the air flows through the space above the rack and is sucked into the air conditioner again.
An air conditioning system for a computer room, comprising a plate member for preventing air from flowing from a lower front surface of the housing of the air conditioner to the upper surface side. An air conditioner, which is provided on both sides of a passage having an internal space below the floor and supplies air from the front and exhausts heated air from the upper surface or the rear surface; and an air conditioner. The cooling air blown out of the device flows through the internal space, and is blown out onto the floor of the passage from a hole provided on the floor of the passage, and the cooling air is stored in the rack. In the air conditioning system for a computer room, after cooling, the air flows in the space above the rack and is sucked back into the air conditioner.
A wall is provided at one end of the passage to block the passage, and the air conditioner is located outside the passage with the wall interposed therebetween. system. The air conditioning system for a computer room according to claim 5,
An air-conditioning system for a computer room, wherein a wall for blocking the passage is provided also at the other end of the passage. The air conditioning system for a computer room according to claim 5 or 6,
An air conditioning system for a computer room, comprising: a plate member for preventing air discharged from the upper surface or the rear surface of the rack group from flowing into the front surface. The air conditioning system for a computer room according to claim 5 or 6,
An air conditioning system for a computer room, wherein a shield is provided between upper surfaces of rack groups on both sides of the passage, and an upper portion of the passage is shielded by the shield. The air conditioning system for a computer room according to any one of claims 5 to 8,
An air-conditioning system for a computer room, wherein a wall provided at an end of the passage is provided with a door that can be opened and closed.   9. The air conditioning system for a computer room according to claim 8, wherein the shield comprises a slide plate slidably supported between the rack side and a space above the passage.   9. The air conditioning system for a computer room according to claim 8, wherein the shield is a clip fixed to the rack and a shield member detachably fixed to the clip to cover an upper portion of the passage. 10.   9. The shield according to claim 8, wherein the shield is a plurality of wires stretched between the rack groups on both sides of the passage, and a shielding member supported by the wires and covering an upper portion of the passage. Air conditioning system for computer room.   9. The air conditioning system for a computer room according to claim 8, wherein the shield is a roof whose ends are connected to each other so as to be rotatable.   9. The air conditioning system for a computer room according to claim 8, wherein the shield is an arched roof extending between the rack groups on both sides of the passage.   15. The air conditioning system for a computer room according to claim 14, wherein the shield is a plurality of arch-shaped frames and a shielding member supported by the frames to cover an upper portion of the passage.   15. A strut bar for urging both ends of the shield in a direction to separate the shield members from each other, wherein the shield is supported between racks on both sides of the passage by the urging force of the strut bar. 15. The air conditioning system for a computer room according to 15. An equipment storage rack group that supplies air from the front and exhausts heated air from the upper surface, and an air conditioner, wherein cooling air blown out from the air conditioner is stored in the equipment storage rack. Computer room air conditioning system to cool the equipment
An internal space provided above the ceiling, a duct that directly connects the internal space above the ceiling to the exhaust port of the equipment storage rack, and a direct connection between the internal space above the ceiling and the suction port of the air conditioner. An air conditioning system for a computer room, which is provided with a duct.   The air conditioning for a computer room according to claim 17, wherein the air conditioner sucks air exhausted from the rack for accommodating the equipment through an internal space behind the ceiling, cools the air, and blows the air back into the room. system.   The air conditioner, wherein the air exhausted from the equipment accommodating rack is sucked through the internal space behind the ceiling and exhausted outside, and the air taken in from outside is cooled and blown out into the room. Item 18. An air conditioning system for a computer room according to item 17.   The air conditioner suctions the air exhausted from the equipment accommodating rack through the internal space behind the ceiling, cools the exhaust air again according to the outdoor temperature, and blows the exhausted air into the room. The air conditioning system for a computer room according to claim 17, wherein the operation is switched between the operation of discharging air outside the room and the operation of discharging air outside the room. An equipment storage rack group that supplies air from the front and exhausts heated air from the upper surface, and an air conditioner, wherein cooling air blown out from the air conditioner is stored in the equipment storage rack. Computer room air conditioning system to cool the equipment
An interior space provided above the ceiling, and a duct directly connecting the interior space behind the ceiling and an exhaust port of the equipment accommodating rack, wherein air exhausted from the equipment accommodating rack receives the air from the duct and the ceiling. An air conditioning system for a computer room, wherein the air is exhausted outside through an internal space of the computer room.

Images