JP5052564B2 - Intake / exhaust structure of heat-generating equipment storage rack and data center - Google Patents

Description

  TECHNICAL FIELD The present invention relates to an intake / exhaust structure and a data center of a heating device housing rack that stacks and stores heating devices such as servers in the vertical direction, and in particular, a low heating device is included in the heating device housed in the heating device housing rack. Even if it is included, the temperature of the air exhausted from the heat generating equipment housing rack can be prevented from being lowered, and the heat generating equipment housing rack intake / exhaust structure and data center capable of efficient heat recovery are provided. is there.

  Heating devices that are heating elements, for example, electronic devices such as servers, are housed in multiple stages in a heat-generating device housing rack such as a server rack and are arranged in an air-conditioned room. In electronic devices such as servers, heat is generated as power is consumed. To eliminate the adverse effects of this heat, air conditioning air (cold air) is generated in the heat generating equipment contained in the heat generating equipment storage rack by a cooling system such as an air conditioner. In general, the heat generated by the heat generating device is removed.

  As conventional data centers, in Patent Document 1 and Patent Document 2, servers and the like having fans for intake and exhaust are stacked in a plurality of stages and housed in a server rack, and the server racks are the same in a straight line. By arranging the rack rows by arranging them in the direction, the two rack rows are arranged so as to face each other, and one rack module can be constituted by closing between the two rack rows. Proposed.

  Patent Document 1 is characterized in that a hot area is formed between rack rows by arranging two rows of rack rows with the back side being the exhaust side facing each other.

  Further, Patent Document 2 is characterized in that a cool area is formed between rack rows by arranging two rows of rack rows with the front side being the intake side facing each other.

  As described above, the data center distinguishes the conditioned air (cold air) from the air conditioner from the hot air discharged from the back surface of the server rack.

JP 2006-526205 A JP 2007-316989 A Japanese Utility Model Publication No. 63-159895

  In recent years, energy-saving technologies such as heat reuse have been prosperous, and in the meantime, the present inventors have developed a technology for recovering heat from the back of the server rack and using it for boilers and the like.

  However, the exhaust temperature of a specific server, for example, when servers with different heating values are housed in one server rack, or when the exhaust capacity of the fans in the server is too high and the air circulation in the server is good May be low. If even one server with such a low exhaust temperature is accommodated in the server rack, the exhaust temperature of the entire server rack will drop, and it will not be possible to efficiently recover heat. Arise.

  Therefore, in order to solve this problem, as described in Patent Document 3, servers with low exhaust temperatures are arranged in series, and the exhaust of the server arranged on the upstream side is supplied to the downstream server. Thus, it is conceivable that the exhaust from the server arranged on the upstream side is further heated and exhausted by the server on the downstream side, and the exhaust temperature in the entire server rack is kept high.

  However, in this case, sufficient cold air cannot be supplied to the server located on the downstream side far from the intake port for sucking cold air, and there is a possibility that the heat radiation of the downstream server itself becomes insufficient. In addition, if the server located on the upstream side near the intake port fails, the server located on the upstream side may be in the way, and it is possible that sufficient cold air cannot be supplied to the server located on the downstream side far from the intake port. It is a problem.

  The present invention has been made in view of the above circumstances, and in a heat-generating device accommodation rack capable of accommodating a plurality of heat-generating devices, cold air can be appropriately supplied to the plurality of heat-generating devices and the air is exhausted from the heat-generating device housing rack. It is an object of the present invention to provide an intake / exhaust structure and a data center for a heat-generating equipment housing rack that can realize efficient heat recovery by preventing the temperature of the air from being lowered.

  The present invention was devised to achieve the above object, and has a fan for performing intake and exhaust, and a plurality of heat generating devices that intake air from the front side and exhaust air from the back side are stacked vertically. In the intake / exhaust structure of the heat-generating device storage rack to be stored, the heat-generating device storage rack can be sucked in the vertical direction of the front surface, and can be exhausted in the vertical direction of the back surface. The heat generating device housing rack is arranged so that the intake side and the exhaust side are aligned with the front side as the intake side and the back side as the exhaust side, and at least one of the plurality of heat generating devices is a low heat generation device whose exhaust temperature is a predetermined temperature or less. The low heat generating device is provided with an induction member for guiding the exhaust from the low heat generating device to the front side of the other heat generating device in the heat generating device housing rack and supplying the other heat generating device to the front surface. Is the intake and exhaust structure of the heat-generating equipment receiving rack.

  The induction member is provided so as to protrude to the exhaust side of the low heat generating device, and a warm air receiving box that receives the exhaust of the low heat generating device, and exhaust air from the warm air receiving box to the front side of the other heat generating device It may consist of a guiding pipe to be guided.

  A plurality of the low heat generating devices are disposed in the heat generating device accommodation rack, and a high heat generating device in which the exhaust temperature exhausted from the back side is higher than a predetermined temperature is disposed above the low heat generating device, and the low heat generating device below is disposed. The exhaust of the device is sequentially guided to the front of the low heat generating device above by the turning pipe, and the exhaust of the low heat generating device at the top is guided to the front of the high heat generating device by the turning pipe. Also good.

  A plurality of the low heat generating devices are disposed in the heat generating device housing rack, and a high heat generating device having an exhaust temperature higher than a predetermined temperature is disposed above the low heat generating device. The exhaust pipes of the low heat generating devices may be guided to the front of the upper high heat generating device.

  The warm air receiving box provided in each of the low heat generating devices may be formed larger as the lower low heat generating device.

  In the heat generating equipment housing rack, the low heat generating equipment and the high heat generating equipment having an exhaust temperature higher than a predetermined temperature are alternately stacked and arranged, and the exhaust of the low heat generating equipment is disposed above the upper part by the turning pipe. You may make it guide | invade to the front of a high heat generation apparatus.

  Further, the present invention forms a rack row by arranging a plurality of heating device housing racks having an intake / exhaust structure of the heating device housing rack in the left-right direction, and the back surfaces of the rack rows face each other with a gap therebetween. A panel arranged on the floor surface of the air conditioning room and extending from the lower edge of the rack row to the ceiling of the air conditioning room is provided at one end in the left-right direction of the facing rack row, and the other end portion is A partition extending to the ceiling is provided at the top of the front edge of both rack rows, and a hot area surrounded by the rack rows is defined in the air conditioning chamber, and the ceiling in the hot area is closed. And a data center that forms a recovery port for collecting hot air in the hot area and introduces conditioned air in the air-conditioned room from the front to the back of the rack row into the hot area.

  Further, according to the present invention, a plurality of heating device housing racks having an intake / exhaust structure of the heating device housing rack are arranged in the left-right direction to form a rack row, and the front sides of the rack row are faced to each other with a gap therebetween. A panel arranged on the floor surface of the air conditioning room and extending from the lower edge of the rack row to the ceiling of the air conditioning room is provided at one end in the left-right direction of the facing rack row, and the other end portion is A partition extending to the ceiling is provided at the top of the front edge of both rack rows, and a cool area surrounded by the rack rows is defined in the air conditioning room, and the ceiling in the cool area is covered with the air conditioning room walls. Forming a supply port for supplying conditioned air from the air conditioner, and forming a recovery port for recovering hot air in the ceiling of the hot area other than the cool area, and the conditioned air from the front to the back of the rack row A data center which is adapted to introduce into the hot area through.

  According to the present invention, it is possible to appropriately supply cool air to a plurality of heat generating devices, and to prevent the temperature of the air exhausted from the heat generating device accommodation rack from being lowered, thereby generating heat that can realize efficient heat recovery. It is possible to provide an intake / exhaust structure and a data center for an equipment rack.

It is a top view of the data center which concerns on one embodiment of this invention. It is a front view of the rack group arrange | positioned in the data center of FIG. FIG. 3 is an explanatory diagram illustrating air flow (intake and exhaust states) in the server rack of the rack group in FIG. 2. (A) is explanatory drawing explaining a mode that an induction | guidance | derivation member is mounted | worn with a server, (b) is explanatory drawing explaining the flow of the air in a server. It is a front view of the rack group arrange | positioned in the data center which concerns on one embodiment of this invention. FIG. 6 is an explanatory diagram illustrating air flow (intake and exhaust states) in the server rack of the rack group in FIG. 5. It is a front view of the rack group arrange | positioned in the data center which concerns on one embodiment of this invention. FIG. 8 is an explanatory diagram illustrating air flow (intake and exhaust states) in the server rack of the rack group in FIG. 7.

  Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

  FIG. 1 is a plan view of the data center according to the present embodiment.

  As shown in FIG. 1, the data center 1 is configured by arranging four rack groups 3 in an air conditioning room 2. Although the door for entering / exiting the air-conditioning room 2 is provided in the air-conditioning room 2, it is abbreviate | omitting in FIG.

  In the rack group 3, a plurality of server racks 4 serving as heat generating equipment accommodating racks are arranged in a straight line in the left-right direction to form a rack row 5, and the back surfaces of the two rows of rack rows 5 are opposed to each other with a gap ( A panel (side wall) 6 is provided at one end in the left-right direction of the rack row 5 which is arranged on the floor surface in the air conditioning room 2 and is opposed to the other side. Is closed by the wall W of the air conditioning chamber 2.

  When the height of the server rack 4 does not reach the ceiling of the air conditioning room 2, as shown in FIG. 2, the panel 6 extends to the ceiling R and closes between the ceiling R and the server rack 4. Member) 7 is provided. The partition 7 is formed so as to extend from the upper front edge of the rack row 5 to the ceiling R, and may be appropriately divided.

  By forming the rack group 3, the hot area H surrounded by the rack row 5 is partitioned in the air conditioning chamber 2. A panel (not shown) for entering and exiting the hot area H is formed on the panel 6 provided at the end of the rack row 5.

  A plurality of collection ports (not shown) for collecting hot air in the hot area H are formed in the ceiling R in the hot area H, and the ceiling R in the cool area C, which is the air conditioning room 2 other than the hot area H, A plurality of supply ports (not shown) to which conditioned air (cold air) from an air conditioner (not shown) is supplied are formed. A duct connected to each of the intake port and the recovery port is provided on the ceiling R so that the conditioned air in the air-conditioned room 2 is introduced into the hot area H from the front side to the back side of the rack row 5. ing. The hot air recovered from the recovery port is supplied to, for example, a boiler through a duct connected to the recovery port.

  In this specification, an area to which conditioned air (cold air) from an air conditioner is supplied is referred to as a cool area C, and an area from which hot air from the server rack 4 is exhausted is referred to as a hot area H. The temperature of the cool area C is about 10-25 ° C., and the temperature of the hot area H is about 25-40 ° C.

  Next, the intake / exhaust structure 100 of the heat generating equipment accommodation rack according to the present embodiment will be described.

  As shown in FIG. 2, the server rack 4 as a heat generating device accommodation rack is formed in a rectangular parallelepiped box shape, and stores a plurality of servers A and B as heat generating devices stacked in the vertical direction.

  A front plate 4a that can be freely opened and closed is provided on the front side of the server rack 4, and a back plate is provided on the back side, similar to the front side, although not shown. The front plate and the back plate are formed in a mesh shape, and the server rack 4 can be sucked over the entire front surface in the vertical direction and exhausted over the entire back surface in the vertical direction. In the present embodiment, as described above, the intake range and exhaust range of the server rack 4 are “entirely in the vertical direction”, but “a position facing the servers A and B and in the vertical direction”. Surface ".

  As shown in the center part of FIG. 2, four support columns 20 are arranged inside the server rack 4, such as two on the front side and two on the back side, and two on the front side. A plurality of cross beams 21 are provided so as to span between the support columns 20 and between the two support columns 20 on the back side, and the servers A and B are mounted on the cross beam 21. Has been. In the present embodiment, all the server racks 4 have the same internal structure, but some of the server racks 4 may have the same internal structure.

  Both ends of the cross beam 21 are fixed to the column 20 with bolts 22, and holes (not shown) that are screwed with the bolts 22 are formed in the column 20 in stages. The mounting position can be adjusted in the vertical direction according to the height of the servers A and B to be placed.

  The servers A and B accommodated in the server rack 4 have a fan (not shown) for performing intake and exhaust, and intake air from the front side and exhaust air from the back side. The servers A and B are arranged in the server rack 4 so that the intake side and the exhaust side are aligned with the front side of the server rack 4 as the intake side and the back side as the exhaust side.

  In the server rack 4, a server A which is a low heat generating device whose exhaust temperature is lower than a predetermined temperature and a server B which is a high heat generating device whose exhaust temperature is higher than the predetermined temperature are stored.

  Server A is a server where warm air (air of about 25 to 32 ° C.) is exhausted, and server B is a server where hot air (air of about 32 to 40 ° C.) is exhausted. Here, the case where two types of servers A and B are used will be described for the sake of convenience. However, this does not mean that there are two types of server models, and the servers A and B include servers of a plurality of types. May be.

  In the present embodiment, a case where three servers A1 to A3 and four servers B1 to B4 are accommodated in the server rack 4 will be described.

  As shown in FIGS. 2 and 3, in the server rack 4, a server A1, a server B1, a server A2, a server B2, a server A3, a server B3, and a server B4 are sequentially arranged from the bottom to the top.

  In the intake / exhaust structure 100 of the heat generating equipment accommodation rack according to the present embodiment, the exhaust from the servers A1 to A3 is sent to the servers A1 to A3, which are low heat generating equipment, and other servers A (or B) in the server rack 4. An induction member (exhaust rotation structure) 25 is provided that is guided to the front side of the server and supplied to the other server A (or B).

  The induction member 25 is provided so as to protrude toward the exhaust side of the servers A1 to A3, which are low heat generation devices, and the warm air receiving box 26 that receives the exhaust of the servers A1 to A3, and the exhaust from the warm air receiving box 26 to other servers It consists of a turning pipe 27 that leads to the front side of A (or B).

  As shown in FIGS. 4A and 4B, the warm air receiving box 26 is formed in a box shape, and has a width (width from the right front side in the drawing to the left back direction) and a height (height in the drawing vertical direction). The width and height of the server A are substantially equal. The front surface of the warm air receiving box 26 (the surface on the left front side in the figure) is an opening, and an opening 41 is formed, and the warm air receiving box is attached to both ends of the opening 41 so that it can be attached to the back surface of the server A. A mounting plate 42 is formed so that the side walls 43 of the 26 are extended forward. The attachment plate 42 may be formed integrally with the side wall 43 or may be attached to the side wall 43 as a separate body. An inlet end of a rotating pipe 27 made of a resinous and flexible material is attached to the upper surface of the warm air receiving box 26.

  The server A has an intake port 44 formed on the front surface and an exhaust port 45 formed on the back surface. The server A is configured to intake air from the intake port 44 and exhaust air from the exhaust port 45 by a built-in fan. . The air exhausted from the exhaust port 45 is introduced into the warm air receiving box 26 and is introduced into the turning pipe 27 attached to the upper surface thereof.

  As shown in FIGS. 2 and 3, the outlet end of the turning pipe 27 is disposed above the server B positioned above and at substantially the same position as the front surfaces of the servers A and B.

  Specifically, the outlet pipe 27 of the server A1 arranged at the lowermost position is arranged such that its outlet end is located above the server B1 and below the server A2, and the turning pipe 27 of the server A1 is connected to its outlet end. Is positioned above the server B2 and below the server A3. The outlet pipe 27 of the server A3, which is the lowest heat generating device arranged at the top, has an outlet end positioned above the server B3 and below the server B4.

  The air flow in the server rack 4 will be described with reference to FIG.

  As shown in FIG. 3, the server A <b> 1 takes in air around the conditioned air (cold air) from the front side and exhausts warm air from the back side. The warm air exhausted by the server A1 is rotated to the front side of the server rack 4 through the warm air receiving box 26 and the turning pipe 27. Most of the warm air exhausted from the outlet end of the rotating pipe 27 flows upward due to the difference in specific gravity with the conditioned air, and is supplied to the server A2.

  The server A2 draws in warm air and conditioned air exhausted by the server A1 from the front side, and exhausts warm air from the back side. The warm air exhausted by the server A2 is supplied to the server A3 through the warm air receiving box 26 and the turning pipe 27. Similarly, the exhaust from the server A3 is supplied to the server B4.

  The server B4 sucks in the conditioned air from the front side, but also takes in the warm air exhausted from the server A3 together with a part thereof. The server B4 exhausts hot air from the back side.

  That is, in this embodiment, the exhaust of the lower server A (A1, A2) is sequentially guided to the front of the upper server A (A2, A3) by the turning pipe 27, and the exhaust of the uppermost server A3 is exhausted. The server B4 is guided in front of the server B4.

  As a result, the warm air is gradually warmed as server A1 → server A2 → server A3 and approaches the hot air, and the warm air approaching this hot air is further warmed by the server B4, which is a high heat generating device, and introduced into the hot area H as hot air. . If the exhaust temperature of the server A3 is high and already hot, the exhaust of the server A3 may be directly introduced into the hot area H without attaching the induction member 25 to the server A3.

  For the servers B1 to B3, air is sucked in from the front side, mainly conditioned air, and hot air is exhausted from the back side. However, the exhaust from the servers A1 to A3 is not completely sucked, and the exhaust from the servers A1 to A3 is also sucked to some extent. The server B4 preferably has a higher exhaust temperature than the servers B1 to B3.

  The operation of the present embodiment will be described.

  In the intake / exhaust structure 100 of the heat generating device accommodation rack according to the present embodiment, at least one of the plurality of heat generation devices (servers A and B) accommodated in the server rack 4 as the heat generating device accommodation rack has a predetermined exhaust temperature. This is a low heat generating device (server A) below the temperature, and the exhaust from the low heat generating device is guided to the front side of the other heat generating device in the server rack 4 to the other heat generating device. A guide member 25 to be supplied is provided.

  Thus, even when the server A, which is a low heat generation device having a low exhaust temperature, is accommodated in the server rack 4, the temperature of the air exhausted from the server rack 4 (exhaust temperature) should not be lowered. And efficient heat recovery can be realized.

  In the present embodiment, since the servers A and B, which are heat generating devices, are stacked and accommodated in the vertical direction, it is possible to supply cool air appropriately to the servers A and B. The heat dissipation of B will not be insufficient.

  Another embodiment of the present invention will be described.

  5 and FIG. 6, the intake / exhaust structure 200 for the heat generating device accommodation rack has the servers A1 to A3, which are low heat generation devices, arranged in the server rack 4 as the heat generating device accommodation rack, and high heat generation above the servers A1 to A3. Servers B1 to B3, which are devices, are arranged. In the server rack 4, a server A1, a server A2, a server A3, a server B1, a server B2, and a server B3 are sequentially stacked from the bottom to the top.

  A guide member 25 is attached to each of the servers A1 to A3, and the outlet ends of the turning pipes 27 of the servers A1 to A3 are positioned above the server A3 and below the server B1.

  The warm air receiving box 26 provided in the servers A <b> 1 to A <b> 3 is formed to have a larger length (length in the front-rear direction) as it is disposed below. That is, the warm air receiving box 26 is formed so that the length thereof becomes longer in the order of the server A3, the server A2, and the server A1. This is a device for reducing interference between the rotating pipes 27.

  The warm air exhausted by the servers A1 to A3 is rotated to the front side of the server rack 4 by the turning pipe 27 and supplied to the server B1. Here, since the warm air from the three servers A1 to A3 is supplied together and the amount of warm air supplied is large, the warm air is supplied not only to the server B1 but also to the servers B2 and B3 above it. It becomes.

  In this way, the rotating pipes of the servers A1 to A3 are gathered, the warm air from the servers A1 to A3 is guided to the front of the upper servers B1 to B3 and supplied to the servers B1 to B3, so that the warm air is sent to the server B1. Heated by ~ B3 to become hot air and introduced into the hot area H. Therefore, the temperature of the air exhausted from the server rack 4 (exhaust temperature) can be prevented from being lowered, and efficient heat recovery can be realized.

  7 and 8, the heat-generating device housing rack intake / exhaust structure 300 alternately stacks server A, which is a low heat-generating device, and server B, which is a high-heat-generating device, in a server rack 4 as a heat generating device containing rack. Are arranged. In the server rack 4, a server A1, a server B1, a server A2, a server B2, a server A3, and a server B3 are sequentially stacked from the bottom to the top.

  A guide member 25 is attached to each of the servers A1 to A3, and the outlet end of the turning pipe 27 of the server A1 is positioned above the server A1 and below the server B1. Similarly, the exit end of the turning pipe 27 of the server A2 is positioned above the server A2 and below the server B2, and the exit end of the turning pipe 27 of the server A3 is located above the server A3 and below the server B3. The

  As a result, warm air from the server A1 is supplied to the server B1, warm air from the server A2 is supplied to the server B2, and warm air from the server A3 is supplied to the server B3.

  In this way, by supplying the warm air from the servers A1 to A3 to the front of the servers B1 to B3 above the warm air, the warm air is heated by the servers B1 to B3 and becomes hot air, and is exhausted from the server rack 4. It is possible not to lower the temperature of the air (exhaust temperature).

  Furthermore, according to the intake / exhaust structure 300 of the heat generating equipment accommodation rack, the servers A and B are alternately arranged, so that the servers B1 to B3 that introduce (exhaust) hot air into the hot area H are fixed in the vertical direction. It is possible to arrange them at intervals, and the exhaust temperature from the back side of the server rack 4 can be made constant as a whole.

  In the above-described embodiment, the servers A and B are described as the heat generating devices, but other heat generating devices such as a switching hub and a power supply device may be used.

  Moreover, although the case where the several guide member 25 was provided in one server rack 4 was demonstrated in the said embodiment, the case where only one may be provided. That is, the number of servers A may be one.

  Further, in the above-described embodiment, the outlet end of the turning pipe 27 is configured to be positioned below the server A or B positioned above, but the outlet end of the rotating pipe 27 is positioned below the server A or B. You may comprise so that it may be located under B.

  In the above-described embodiment, the data center 1 of the type in which the hot area H is formed between the rack rows 5 has been described, but the data center of the type in which the cool area C is formed between the rack rows 5 may be used.

  In this case, the front side of the rack row 5 faces each other at an interval to form the rack group 3, and the cool area C surrounded by the rack row 5 is partitioned in the air conditioning room 2. In addition, a supply port for supplying conditioned air from the air conditioner may be formed in the ceiling R, and a recovery port for collecting hot air may be formed in the ceiling R of the hot area H other than the cool area C.

  In addition, a heat generating device accommodating rack having the intake / exhaust structure 100, 200, 300 of the heat generating device accommodating rack may be mixed in one rack group 3.

  As described above, the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.

1 Data center 2 Air conditioning room 3 Rack group 4 Server rack
5 Rack row 6 Panel 7 Partition 20 Strut 21 Cross girder 22 Bolt 25 Guide member 26 Warm air receiving box 27 Rotating pipe A Server (low heat generation equipment)
B server (high heat generation equipment)
100 Intake / exhaust structure of heat generating equipment storage rack

Claims (8)

In the intake / exhaust structure of a heat generating device accommodation rack that has a fan for performing intake and exhaust, and stacks and stores a plurality of heat generating devices that intake air from the front side and exhaust air from the back side,
The heat generating equipment storage rack can be sucked in the vertical direction of the front surface, and can be exhausted in the vertical direction of the back surface,
The plurality of heat generating devices are arranged such that the front side of the heat generating device accommodation rack is the intake side and the back side is the exhaust side, and the intake side and the exhaust side are aligned,
At least one of the plurality of heat generating devices is a low heat generating device whose exhaust temperature is a predetermined temperature or lower, and exhaust from the low heat generating device is connected to the low heat generating device in the heat generating device containing rack. An intake / exhaust structure for a heat-generating device storage rack, characterized in that a guide member is provided that is guided to the front side of the battery and supplied to the other heat-generating devices.   The induction member is provided so as to protrude to the exhaust side of the low heat generating device, and a warm air receiving box that receives the exhaust of the low heat generating device, and exhaust air from the warm air receiving box to the front side of the other heat generating device The intake / exhaust structure for a heat-generating equipment storage rack according to claim 1, comprising a rotating pipe for guiding. A plurality of the low heat generating devices are arranged in the heating device containing rack, and a high heat generating device in which the exhaust temperature exhausted from the back side is higher than a predetermined temperature is disposed above the low heat generating devices.
The exhaust of the low heat generating device below is sequentially guided to the front of the low heat generating device above by the turning pipe, and the exhaust of the low heat generating device at the top is guided to the front of the high heat generating device by the turning pipe. The intake / exhaust structure of a heat-generating equipment storage rack according to claim 2, wherein the structure is guided. A plurality of the low heat generating devices are arranged in the heating device containing rack, and a high heat generating device in which the exhaust temperature exhausted from the back side is higher than a predetermined temperature is disposed above the low heat generating devices.
The intake / exhaust structure of a heat-generating device accommodation rack according to claim 2, wherein the rotation pipes of the low-heat-generating devices are gathered to guide exhaust of the low-heat-generating devices to the front of the upper high-heat generating device.   The intake / exhaust structure of a heat-generating device accommodation rack according to claim 4, wherein the warm air receiving box provided in each of the low heat-generating devices is formed larger as the lower heat-generating device is located below. In the heat generating equipment housing rack, the low heat generating equipment and the high heat generating equipment in which the exhaust temperature exhausted from the back side is higher than a predetermined temperature are alternately stacked and arranged,
The intake / exhaust structure for a heat-generating device accommodation rack according to claim 2, wherein the exhaust of the low-heat-generating device is guided to the front of the high heat-generating device above by the turning pipe.   A plurality of heating device housing racks having the intake / exhaust structure of the heating device housing rack according to any one of claims 1 to 6 are arranged in the left-right direction to form a rack row, and the back surfaces of the rack rows are spaced apart from each other. A panel is arranged on the floor surface of the air conditioning room facing each other, and a panel extending from the lower edge of the rack row to the ceiling of the air conditioning room is provided at one end in the left-right direction of the facing rack row, and the other end A partition extending to the ceiling at the top of the front edge of both rack rows and partitioning a hot area surrounded by the rack rows in the air conditioning chamber, A recovery port for recovering hot air in the hot area is formed in the ceiling of the air conditioner, and conditioned air in the air conditioned room is introduced from the front to the back of the rack row into the hot area. Data center to be.   A plurality of heating device housing racks having the intake / exhaust structure of the heating device housing rack according to any one of claims 1 to 6 are arranged in the left-right direction to form a rack row, and the front sides of the rack row are spaced apart from each other. A panel is arranged on the floor surface of the air conditioning room facing each other, and a panel extending from the lower edge of the rack row to the ceiling of the air conditioning room is provided at one end in the left-right direction of the facing rack row, and the other end The partition is closed with a wall of the air-conditioning room, and a partition extending to the ceiling is provided at the upper front edge of both rack rows, and a cool area surrounded by the rack row is defined in the air-conditioning room. A supply port for supplying conditioned air from the air conditioner is formed in the ceiling of the air conditioner, and a recovery port for collecting hot air is formed in the ceiling of the hot area other than the cool area. Data center, characterized in that so as to introduce into the hot area through the back surface.

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