JP2019153241A - Electronic device cooling apparatus and cogeneration air conditioning system - Google Patents

Abstract

To provide an electronic device cooling apparatus capable of preventing failure of electronic devices, such as servers, due to condensation, etc.SOLUTION: An electronic device cooling apparatus for cooling multiple electronic devices 27 comprises: an electronic device accommodating unit for accommodating multiple electronic devices 27 in a hermetically sealed condition; cooling gas supply units 13, 15, 16 for feeding a cooling gas for cooling the electronic devices 27 into the electronic device accommodating unit; and a desiccant air conditioner 30 for controlling temperature of the cooling gas circulating in the electronic device accommodating unit.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an electronic device cooling apparatus and a cogeneration type air conditioning system.

2. Description of the Related Art Conventionally, an oil-cooled cooling device that cools a server device with a coolant such as Fluorinert (registered trademark of 3M) is known in a data center or the like where a plurality of server devices are installed.
For example, the cooling device described in Patent Document 1 includes a liquid immersion tank that stores a coolant, and the information processing apparatus (server device) is immersed in the coolant in the liquid immersion tank. The server device is cooled by the heat exchange of the server device with the coolant.
On the other hand, in a data center where a plurality of server devices are installed, a cooling device that cools the server device by blowing a cooling gas to each server device is also known.

JP 2017-191431 A

  The apparatus described in Patent Document 1 has high cooling efficiency of an electronic device by immersing an electronic device such as a server device in a coolant. However, a very large number of server devices are installed in the data center, and in order to impregnate all of these server devices with the coolant, a large amount of coolant is required, resulting in an increase in cost. In addition, a dedicated device for safely maintaining the cooling liquid in the cooling tank is required, and the cost for maintenance of the cooling liquid (for example, cooling) increases.

On the other hand, the cooling device that cools the server device by blowing the cooling gas does not require such a dedicated product, so that the manufacturing cost of the cooling device can be reduced.
However, in such a cooling device, moisture may be contained in the cooling air, whether supplied from the outside or circulated.
If condensation occurs on the electronic device during cooling, rust or the like may occur in the electronic device or a circuit of the electronic component may be short-circuited, and the electronic device may not function normally.

  An object of the present invention is to provide an electronic device cooling apparatus and a cogeneration type air conditioning system that do not cause an abnormality in an electronic device such as a server due to condensation or the like.

  An electronic device cooling device according to the present invention is an electronic device cooling device that cools an electronic device, the electronic device housing portion housing the electronic device in a sealed state, and cooling the electronic device in the electronic device housing portion. And a desiccant air conditioner for controlling the humidity of the cooling gas supplied into the electronic device housing unit.

  In the present invention, the humidity of the cooling gas circulating in the electronic device housing is controlled by the desiccant air conditioner. Therefore, by controlling the humidity inside the electronic device housing part, it is possible to prevent condensation from occurring in the electronic device housed inside the electronic device housing part, and no abnormality occurs in the electronic device.

The top view which shows schematic structure of the data center provided with the electronic device cooling device which concerns on embodiment of this invention. The schematic cross section of the data center for demonstrating the electronic device cooling device of this Embodiment. The schematic diagram which shows the structure of the desiccant air conditioner of this Embodiment. The schematic diagram which shows the principle of dehumidification in the desiccant air conditioner of this Embodiment. The block diagram which shows the structure of the cogeneration type air conditioning system of this Embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[1] Overall Configuration of Data Center 1 [1-1] Schematic Configuration of Data Center 1 FIG. 1 is a plan view showing a schematic configuration of the data center 1 including the electronic device cooling device 10 of the present embodiment. FIG. 2 is a schematic cross-sectional view of the data center 1 for explaining the outline of the electronic device cooling apparatus 10 of the present embodiment.

  As shown in FIG. 1, the data center 1 of this embodiment includes a server room 20 and a collection room 11. Further, the recovery chamber 11 includes an oil storage tank 14 as a liquid recovery tank that constitutes a part of the electronic device cooling device 10 that cools the server device 27. The electronic device cooling apparatus 10 according to the present embodiment includes a cooling oil supply unit 12, an air supply unit 13, an oil storage tank 14, an air recovery unit 15, an air cooling unit 16 (see FIG. 2), a liquid transport unit 17, and an air transport. The part 18 and the cooling control part 19 (refer FIG. 2) are comprised.

  The server room 20 is provided between the floor part 21, the ceiling part 22 (see FIG. 2) facing the floor part 21, and between the floor part 21 and the ceiling part 22. It has wall part 23A, 23B, 23C which forms internal space (server room space A1). That is, the floor portion 21, the ceiling portion 22, and the wall portions 23A, 23B, and 23C constitute an electronic device housing portion that houses a plurality of server devices 27 according to the present invention in a sealed state.

[1-2] Structure of the floor portion 21 As shown in FIG. 2, the floor portion 21 includes a floor surface portion 24 and a circulation chamber 25 disposed below (vertically below) the floor surface portion 24.
The floor surface portion 24 includes a horizontal first floor 241 continuous with the wall portions 23B and 23C, and a device arrangement portion 242 continuous with the first floor 241.

  The device arrangement unit 242 includes a floor material (for example, a communication floor 242A such as a grating) that allows the server room space A1 and the circulation chamber 25 to communicate with each other. In addition, a joy step member 242B that fills a step between the first floor 241 and the device placement unit 242 may be disposed on the outer periphery of the device placement unit 242.

  A plurality of racks 26 are arranged in the device arrangement unit 242. The rack 26 is a container that houses a plurality of electronic devices (for example, the server device 27) therein, for example. As shown in FIG. 2, the server device 27 accommodated in the rack 26 has a thin box shape whose height (dimension in the Z direction) is smaller than the width (dimension in the X direction) and the depth (dimension in the Y direction). A plurality of racks 26 are arranged and accommodated in the Z direction.

  The rack 26 holds the server device 27 in a state where, for example, the ± Y side is open, and a plurality of server devices 27 are exposed from the opening. Thereby, cooling oil (coolant) or air (cooling gas) is allowed to flow from, for example, the + Y side opening of the rack 26 to the −Y side opening (or from the −Y side opening to the + Y side opening). Thus, the server device 27 in the rack 26 can be efficiently cooled.

Although the arrangement position of the rack 26 in the device arrangement unit 242 is not particularly limited, in the present embodiment, the cooling oil supply unit 12 and the air supply unit 13 described later are arranged corresponding to the arrangement position of the rack 26. That is, the rack 26 is appropriately arranged according to the positions of the cooling oil supply unit 12 and the air supply unit 13 provided in the data center 1.
In the present embodiment, as shown in FIG. 1, the rack 26 includes a plurality of racks 26 arranged in one direction (for example, the X direction) to form one rack row 26A, and the rack row 26A. Are arranged along a direction intersecting the X direction (X direction).

  Further, in the present embodiment, the recovery chamber 11 is disposed on the + X side of the server room 20, and the cooling oil and air are recovered. In this case, an exhaust space A2 having a predetermined interval X1 (for example, about 2 m) is provided between the + X side wall 23A in which the collection chamber 11 is provided and the rack 26 disposed at the + X side end of the rack row 26A. Is preferably formed. That is, the rack 26 disposed at the + X side end of the rack row 26A is disposed away from the wall 23A by the distance X1.

  Further, between the rack rows 26A adjacent in the X direction, between the rack row 26A arranged at the + X side end and the wall portion 23B on the + X side, and the rack row 26A arranged at the −X side end. A thermal partition 243 is provided between the −X side wall 23C. The heat partition 243 can be configured by a simple curtain, for example, and is provided at the + X side end (the collection chamber 11 side) of the rack row 26A. Thereby, the inconvenience that the air (heated air) that flows into the space (exhaust space A2) on the + X side of the server room 20 returns to the server device 27 side is suppressed.

Further, the wall portion 23 </ b> A adjacent to the recovery chamber 11 of the server room 20 is provided with a heat exhaust hole 231 that communicates with the recovery chamber 11. The air heated by the server device 27 can be exhausted from the exhaust heat hole 231 to the recovery chamber 11 side.
In the present embodiment, a desiccant air conditioner 30 is provided adjacent to the heat exhaust hole 231 of the server room 20. As will be described in detail later, the desiccant air conditioner 30 is a device that dehumidifies the air that becomes the cooling gas through the server room 20 toward the collection room 11.

  When the cooling oil is poured directly onto the server device 27 as in the present embodiment, it is not preferable that moisture is contained in the cooling oil or air. By providing the desiccant air conditioner 30, the moisture of the circulating air can be removed, and rust is generated in the server device 27 due to moisture condensation, or a failure due to a short circuit or the like can be suppressed. Even when water is contained in the cooling oil, the water in the cooling oil becomes water vapor and can be removed by the desiccant air conditioner 30 when it is contained in the air.

[1-3] Configuration of Circulation Chamber 25 The circulation chamber 25 is disposed below the floor portion 24, and the cooling oil (coolant) flowing down from the communication floor 242A of the device arrangement portion 242 is supplied to the oil storage tank 14 of the recovery chamber 11. Shed.
Specifically, the circulation chamber 25 has an inclined surface 111 that is inclined obliquely downward toward the oil storage tank 14 and connected to the oil storage tank 14. The cooling oil that has flowed down from the floor surface part 24 is sent to the oil storage tank 14 by flowing along the inclined surface 111 of the circulation chamber 25.
The oil storage tank 14 is provided with a heat exchanger 141, and the cooling oil in the oil storage tank 14 is cooled by flowing cold water through the piping of the heat exchanger 141.

Moreover, in this Embodiment, the cooling gas (air) which cools the server apparatus 27 is ventilated from the ceiling part 22 side of the server room 20. FIG. The air heated by the server device 27 is also sent from the floor 24 to the circulation chamber 25, passes through the circulation chamber 25, and flows to the recovery chamber 11. At this time, heat is radiated from the cooling oil heated by the server device 27 to the air, so that the temperature of the cooling oil is reduced to some extent. Further, when water is contained in the cooling oil, it is released into the air as water vapor when the cooling oil is radiated. The water vapor released into the air is dehumidified by the desiccant air conditioner 30 as described above.
On the + X side of the heat partition 243 of the server room 20, a part of the air heated from the circulation chamber 25 moves to the exhaust space A2 side and passes from the exhaust space A2 to the recovery chamber 11 through the exhaust heat hole 231. Flowing.

[1-4] Configuration of Ceiling Part 22 The cooling oil supply part 12 and the air supply part 13 are arranged on the ceiling part 22 above the device placement part 242 toward the opening where the server device 27 of each rack 26 is exposed. Is provided. Further, the ceiling portion 22 is provided with a liquid transport portion 17 that sends cooling oil to the cooling oil supply portion 12 and an air transport portion 18 that sends air to the air supply portion 13.

(1) Configuration of Cooling Oil Supply Unit 12 and Liquid Transport Unit 17 The cooling oil supply unit 12 is the cooling liquid supply unit of the present invention that constitutes the electronic device cooling apparatus 10, and the cooling oil that is the cooling liquid is supplied to the server device 27. To flow down. The cooling oil supply unit 12 includes a nozzle 121 that causes the cooling oil to flow down, and a nozzle control mechanism 122 that controls the angle of the nozzle 121 and the supply of the cooling oil. The cooling oil supply unit 12 is connected to the oil storage tank 14 by the liquid transport unit 17, and the cooling oil stored in the oil storage tank 14 is supplied.

  The nozzle 121 as the cooling liquid spraying unit may have, for example, an opening diameter for spraying the cooling oil in the form of a mist. In this case, the cooling oil heated by the server device 27 is transferred to another server device 27 (for example, X May scatter to server devices 27) in adjacent racks 26 in the direction or Y direction. For this reason, the nozzle 121 has an opening dimension that is equal to or smaller than a predetermined dimension, and the cooling oil supplied from the nozzle 121 flows down so as to flow directly to the server device 27 to be cooled.

  The nozzle control mechanism 122 causes the cooling oil to flow down from the nozzle 121 by, for example, opening and closing a valve (not shown) provided in the nozzle 121 or the liquid transport unit 17. Further, the nozzle control mechanism 122 includes a rotation mechanism (not shown) that changes the angle of the nozzle 121 by a stepping motor or the like. Thus, the flow direction of the cooling oil is controlled so that the cooling oil flows directly from the nozzle 121 to the desired server device 27 in the rack 26.

  In addition, nozzles 121 may be provided individually corresponding to each server device 27 in the rack 26. In this case, the nozzle control mechanism 122 can select the nozzle 121 corresponding to the target server device 27 and flow the cooling oil.

  The liquid transport unit 17 includes a cooling oil pipe 171 that connects the oil storage tank 14 and the cooling oil supply unit 12, and a pump 172 that sends out the cooling oil of the oil storage tank 14. The pump 172 may send out the cooling oil with a predetermined driving amount (feeding amount). For example, the pumping amount may be variable under the control of the cooling control unit 19.

(2) About cooling oil Next, the cooling oil supplied from the cooling oil supply part 12 is demonstrated.
The cooling oil is a coolant that cools the electronic device such as the server device 27 and directly cools the server device 27 by removing heat from the electronic device (server device 27 or the like) as a cooling target. For this reason, since it is necessary to prevent a short circuit of the electronic device, a liquid having insulating properties and a high heat exchange rate is selected as the cooling oil. Specifically, an electrical insulating oil that satisfies the JISC2320, IEC60296, and IEEE standards and that has a flash point and a flash point higher than 90 ° C. is used. Examples of such an electrical insulating oil include Fluorinert (registered trademark of 3M Company).

(3) Configuration of Air Supply Unit 13 and Air Transport Unit 18 The air supply unit 13 and the air transport unit 18 are the cooling gas supply unit of the present invention that constitutes the electronic device cooling apparatus 10 and are air (air) that is a cooling gas. ) In the server room space A1 in which the server device 27 is accommodated.
The air supply unit 13 includes a cooling fan 131 that blows air toward the rack 26 and a fan control unit 132 that controls driving of the cooling fan 131.
The air transport unit 18 is a duct that connects the air supply unit 13 and the air recovery unit 15 and sends out air from the air recovery unit 15 to the air supply unit 13. It is more preferable that the air transport unit 18 includes, for example, an air filter and the like so that foreign matters such as dust contained in the air can be removed.
The cooling fan 131 may have an angle changing mechanism capable of controlling the air introduction direction (the blowing direction). In this case, it is possible to blow air directly on the server device 27 as a target.

(4) Configuration of Air Recovery Unit 15 In the recovery chamber 11, the air recovery unit 15, which is a space formed above the oil storage tank 14, becomes a space in which air sent from the server chamber 20 is retained. The air recovery unit 15 is provided with an air cooling unit 16 that cools the heated air.
Specifically, as shown in FIG. 2, the air cooling unit 16 serving as the cooling gas cooling unit of the present invention includes a plurality of cooling oil filling plates 161 arranged in the recovery chamber 11 and a cooling oil filling plate 161. A second cooling oil supply unit 162 provided above.

The cooling oil filling plate 161 serving as the heat exchange plate of the present invention may be disposed, for example, by being suspended from the ceiling portion 22, or may be disposed so as to protrude from the wall surface of the recovery chamber 11 to the indoor side. The cooling oil filling plate 161 holds the cooling oil flowing from the second cooling oil supply unit 162, and cools the heated air by exchanging heat between the cooling oil and the air.
The cooling oil filling plate 161 may be constituted by, for example, an absorbent material that holds the cooling oil, and a plurality of fin members and the like protrude from the surface, the surface shape becomes uneven, and the cooling oil is held in the recess. It is good also as a structure. When the fin member is formed, the contact area between the cooling oil and the air increases, and the air can be cooled more effectively.

The second cooling oil supply unit 162 serving as a cooling liquid flow lower part of the present invention is connected to, for example, a pump 172, discharges the cooling liquid sent from the oil storage tank 14, and flows down toward the cooling oil filling plate 161 or Spray.
Here, an example is shown in which the coolant pumped out by the pump 172 is caused to flow down from the second coolant supply unit 162, but the coolant in the oil storage tank 14 is provided in a circulation path different from the coolant supply unit 12. May be sent to the second cooling oil supply unit 162.

In the present embodiment, by providing the air recovery unit 15 and the air cooling unit 16 above the oil storage tank 14, the cooling oil that has flowed down from the second cooling oil supply unit 162 and has not been filled in the cooling oil filling plate 161 Or the cooling oil heat-exchanged with the cooling oil filling board 161 flows down into the oil storage tank 14 as it is. At this time, foreign matters such as dust contained in the air are washed away by the cooling oil.
An air transport unit 18 that communicates with the recovery chamber 11 is provided on the ceiling of the recovery chamber 11. Further, a fan 181 for sending out air may be provided at a connection position of the recovery chamber 11 with the air transport unit 18.
The air supply unit 13, the air transport unit 18, and the air recovery unit 15 constitute a cooling gas circulation channel.

[2] Configuration of Desiccant Air Conditioner 30 The desiccant air conditioner 30 is connected to the exhaust heat hole 231 of the server room 20 as described above, and performs humidity control in the air after cooling from the exhaust heat hole 231. As shown in FIG. 3, the desiccant air conditioner 30 includes a desiccant rotor 31 and a regeneration heater 32 that are accommodated in a casing.

  The desiccant rotor 31 is composed of a cylindrical body, and is held rotatably about the center of the cylinder. The desiccant rotor 31 exchanges the moisture M with the air containing the moisture M while rotating by a driving source such as a motor (not shown) to remove moisture in the air. As a material constituting the cylindrical body of the desiccant rotor 31, various materials such as silica gel, zeolite, activated carbon and the like can be adopted, and a polymer adsorbent is particularly preferable.

As shown in FIGS. 4A and 4B, the desiccant rotor 31 using the polymer adsorbent is configured by enclosing the polymer adsorbent Pa in a housing portion made of a breathable material such as a nonwoven fabric. Is done.
When air Ain containing moisture M passes through the desiccant rotor 31, the polymer adsorbent Pa adsorbs moisture H ₂ O and swells as shown in FIG. On the other hand, when heat is applied to the desiccant rotor 31, the desiccant rotor 31 is desorbed from moisture H ₂ O and restored to a state in which the original moisture can be adsorbed.
The regeneration heater 32 heats the desiccant rotor 31 to regenerate the moisture adsorption capacity of the desiccant rotor 31. The regeneration heater 32 in the present embodiment performs regeneration heating of the desiccant rotor 31 by exchanging heat with hot water, steam, or the like supplied from the outside.

[3] Configuration of Cogeneration Device 4 FIG. 5 shows a cogeneration type air conditioning system according to an embodiment of the present invention. The cogeneration type air conditioning system is configured by connecting a desiccant air conditioner 30 to a cogeneration device 4 that generates power using surplus steam and surplus hot water. In FIG. 5, the symbol ▽ represents the power system flow, C and CR represent the chilled water system flow, CD and CDR represent the cooling water system flow, S represents the steam system flow, and H represents the hot water system flow. Yes.

The cogeneration device 4 includes a cogeneration control device 5, a steam power generation device 6, a hot water power generation device 7, and a power supply device 8, and supplies power to the cooling device 9.
The cogeneration control device 5 functions as a control unit that controls the entire cogeneration device 4. Further, the cogeneration control device 5 controls the intake of surplus steam and surplus hot water generated in the steelworks, factories, etc., into the cogeneration device 4 according to the power generation status and power usage status of the cogeneration device 4.

The steam power generation device 6 generates power using the surplus steam taken in by the cogeneration control device 5. The steam power generation device 6 includes a steam power generation management device 61, a steam power storage device 62, and a pressure reducing valve control device 63.
The steam power generation management device 61 functions as a controller that drives and controls the steam power generation device 6. The steam power generation storage device 62 includes a steam turbine and a capacitor, generates power by rotating the turbine with surplus steam, and the generated power is stored in the capacitor.
The pressure reducing valve control device 63 controls the pressure of excess steam supplied to the steam power storage device 62. The electric power generated by the steam power generation device 6 is supplied to the power supply device 8.

The hot water power generation device 7 generates electric power using surplus hot water taken in by the cogeneration control device 5. The hot water power generation device 7 includes a hot water power generation management device 71 and a hot water power generation storage device 72.
The hot water power generation management device 71 functions as a controller that drives and controls the hot water power generation device 7. The hot water power generation storage device 72 includes a thermoelectric conversion module such as a Peltier element and a capacitor, and applies heat from excess hot water to one surface of the thermoelectric conversion module and maintains the other temperature at room temperature or cools the thermoelectric conversion module. Electricity is generated with a temperature gradient, and the generated electric power is stored in a capacitor. The electric power generated by the hot water power generation device 7 is supplied to the power supply device 8.

The power supply device 8 distributes electric power as electric energy supplied from the steam power generation device 6 and the hot water power generation device 7 to the cooling device 9, the data center 1, and the desiccant air conditioner 30. The power supply device 8 includes a distribution board 81, an air conditioner power system supply unit 82, and an information processing device power system supply unit 83.
The distribution board 81 distributes the power supplied from the steam power generation device 6 and the hot water power generation device 7 to the air conditioning equipment power system supply means 82 and the information processing apparatus power system supply means 83. Further, the distribution board 81 is connected to a normal power supply means 8A and an emergency power supply means 8B.
The common power supply means 8A supplies power to the distribution board 81 from an external commercial power source supplied from an electric power company or the like. The emergency power supply means 8B is composed of a power generator or UPS (Uninterruptible Power Supply) or the like, and supplies power to the distribution board 81 as an emergency power supply when the power supply from the external commercial power supply is interrupted. .

The air conditioner power system supply means 82 converts the two-phase AC power distributed by the distribution board 81 into a three-phase AC power and supplies it to a driving device such as a three-phase AC pump or fan. In the present embodiment, the air conditioning equipment power system supply means 82 supplies the power converted into the three-phase alternating current to the cooling device 9 and the desiccant air conditioner 30.
The steam and hot water used in the steam power generation device 6 and the hot water power generation device 7 are supplied to a steam decompression / high temperature water device 90. The steam decompression / high temperature water device 90 supplies the supplied steam and hot water to the refrigerator 91.

The cooling device 9 includes a refrigerator 91 and a cooling tower 92. The refrigerator 91 drives a fluid compressor such as a compressor with the electric power supplied from the air conditioner power system supply means 82, and cools the cooling water as a cooling medium by the principle of a heat pump or the like.
A part of the cold water cooled by the refrigerator 91 is supplied to the heat exchanger 141 provided in the oil storage tank 14, and the cooling oil is cooled by exchanging heat with the cooling oil.

Another part of the cold water is supplied to the desiccant air conditioner 30 via the steam decompression device 90A and the high temperature water device 90B. Further, another part of the cold water is supplied to the heat storage means 93 as a thermal energy storage unit.
The cold water supplied to the heat storage means 93 is supplied to the desiccant air conditioner 30, used for heat exchange, and used as a heat source for the regeneration heater 32 of the desiccant air conditioner 30.
The cooling tower 92 cools the cooling water heated by the heat exchange of the refrigerator 91 by bringing it into contact with the atmosphere.

  The information processing apparatus power system supply means 83 supplies the power distributed by the distribution board 81 to the data center 1. The data center 1 drives hardware devices such as the server device 27 using the power supplied by the information processing device power system supply unit 83 as a power source. In addition, the data center 1 supplies this power to the cooling control unit 19 and the controller of the desiccant air conditioner 30 installed in the data center 1 to control the temperature of the cooling air in the data center 1, the dehumidification control, and the cooling oil. Performs temperature control, cooling oil flow rate control, etc.

[4] Action and Effect of Embodiment [4-1] Flow of Power System The power generated by the steam power generation device 6 and the hot water power generation device 7 is supplied to the power supply device 8. The distribution board 81 of the power supply device 8 distributes the power to the air conditioning equipment power system supply means 82 and the information processing device power system supply means 83.
The information processing device power system supply means 83 supplies the further distributed power to the server device 27 of the data center 1 and the controller of the desiccant air conditioner 30.
The air conditioning equipment power system supply means 82 supplies the distributed power to the cooling device 9.

[4-2] Flow of discharged steam / discharged hot water The refrigerator 91 of the cooling device 9 not only uses the supplied power as a power source, but also the steam discharged from the steam power generation device 6 and the hot water power generation device 7. The discharged hot water can be used as a power source.

  The steam decompression device 90 </ b> A supplies the steam discharged from the steam power generation device 6 to the regeneration heater 32 of the desiccant air conditioner 30. Similarly, the high temperature water device 90 </ b> B supplies the high temperature water discharged from the hot water power generation device 7 to the regeneration heater 32 of the desiccant air conditioner 30. The regeneration heater 32 heats the desiccant rotor 31, separates moisture in the desiccant rotor 31, discharges it to the outside of the data center 1, and regenerates the desiccant rotor 31.

[4-3] Effects of Embodiment According to the present embodiment, there are the following effects.
By installing the desiccant air conditioner 30 in the server room space A1 of the data center 1, the humidity of the cooling air circulating in the data center 1 can be controlled. Accordingly, it is possible to prevent the server device 27 in the server room 20 from being dewed and the like, causing the server device 27 to be rusted or moldy, or to cause a failure of the server device 27 due to a short circuit or the like.

The electronic device cooling device 10 cools the server device 27 by flowing cooling oil down to the server device 27 and circulating the cooling air. Therefore, the material cost of the cooling oil can be greatly reduced as compared with the immersion type cooling device.
The cooling oil filling plate 161 is cooled by the cooling oil poured from the second cooling oil supply unit 162. Therefore, it is not necessary to separately provide an air cooling mechanism. In addition, since air is circulated and cooled, it is possible to prevent foreign matter and moisture from entering the air.

  A cogeneration device 4 is connected to a desiccant air conditioner 30 constituting the electronic device cooling device 10 in the data center 1. Then, the electric power generated by the cogeneration device 4 is supplied to the desiccant air conditioner 30. Therefore, since the desiccant air conditioner 30 can be driven by the cogeneration device 4, the desiccant air conditioner 30 is driven using surplus steam and surplus hot water generated in the steelworks, factories, etc. Energy saving can be achieved.

The power generated by the cogeneration device 4 is supplied to the server device 27 in the data center 1. Therefore, since the electric power generated by the cogeneration device 4 can be used as the electric power of the data center 1, further energy saving can be achieved.
In addition, since power is generated by the cogeneration apparatus 4, the data center 1 and the cogeneration type air conditioning system can be operated without using an external commercial power source, so that the operating cost of the data center 1 is reduced. be able to.

The steam used in the steam power generator 6 and the hot water used in the hot water power generator 7 are used as the heat source of the regeneration heater 32 of the desiccant air conditioner 30. Accordingly, surplus steam and surplus hot water can be used as a heat source for the regeneration heater 32, so that a more efficient cogeneration type air conditioning system using surplus energy can be obtained.
The cold water cooled by the cooling device 9 is supplied to the heat exchanger 141 of the oil storage tank 14. Therefore, the cooling oil in the oil storage tank 14 and the cold water exchange heat by the heat exchanger 141, and the cooling oil can be efficiently cooled.

The power supply device 8 can supply power from the regular power supply unit 8A and supply power from the emergency power supply unit 8B. Therefore, even if there is little discharge of surplus steam and surplus hot water at a steelworks, factory, etc., the data center 1 and the cogeneration type air conditioning system can be operated using the external commercial power supply from the regular power supply means 8A.
On the other hand, when the power supply from the regular power supply means 8A is stagnant, the data center 1 is operated using the power generated by the steam power storage device 62 and the hot water power storage device 72, and the desiccant air conditioner 30 is installed. Can be operated. Therefore, since the data center 1 can be operated without depending on the energy source of the cogeneration type air conditioning system, the data center 1 can be operated without taking a rest for 24 hours.

[5] Modifications of Embodiments The present invention is not limited to the above-described embodiments, and includes the following modifications.
In the above-described embodiment, the cooling oil flows down to the server device 27 and circulates the cooling air. However, the present invention is not limited to this. For example, you may apply this invention to the cooling device which cools the server of a server room only with cooling air.
In the above-described embodiment, the cooling gas is circulated in the server room 20, but the present invention is not limited to this. That is, the cooling air may be supplied from the outside of the server room 20 and the cooled cooling air may be discharged to the outside.

  In the embodiment described above, the cogeneration device 4 includes the steam power generation device 6 and the hot water power generation device 7 and uses the power of each power generation device, but the present invention is not limited to this. For example, it may be a cogeneration device that uses one of the steam power generation device 6 and the hot water power generation device 7, or may be a cogeneration device that generates power using other surplus energy.

  In the embodiment described above, the cogeneration apparatus 4 generates power using external excess steam and excess hot water, but the present invention is not limited to this. As the cogeneration apparatus, a cogeneration apparatus using a household fuel cell or a cogeneration apparatus using household gas may be adopted as the cogeneration type air conditioning system of the present invention.

In the above-described embodiment, the power generated by the steam power generation device 6 and the hot water power generation device 7 is used as the power of the cooling device 9, but the present invention is not limited to this. The configuration may be such that the electric power generated by the power generation devices 6 and 7 is directly supplied to the desiccant air conditioner 30.
In addition, the specific structure, shape, and the like when implementing the present invention may be other structures as long as the object of the present invention can be achieved.

DESCRIPTION OF SYMBOLS 1 ... Data center, 4 ... Cogeneration apparatus, 5 ... Cogeneration control apparatus, 6 ... Steam power generation apparatus, 7 ... Hot water power generation apparatus, 8 ... Electric power supply apparatus, 8A ... Regular power supply means, 8B ... Emergency power supply means , 9 ... Cooling device, 10 ... Electronic device cooling device, 11 ... Recovery chamber, 12 ... Cooling oil supply unit, 13 ... Air supply unit, 14 ... Oil storage tank, 15 ... Air recovery unit, 16 ... Air cooling unit, 17 ... Liquid transport section, 18 ... Air transport section, 19 ... Cooling control section, 20 ... Server room, 21 ... Floor section, 22 ... Ceiling section, 23A ... Wall section, 23B ... Wall section, 23C ... Wall section, 24 ... Floor section , 25 ... circulation chamber, 26 ... rack, 26A ... rack row, 27 ... server device, 27 ... server, 30 ... desiccant air conditioner, 31 ... desiccant rotor, 32 ... heater for regeneration, 61 ... steam power generation management device, 62 ... Steam power storage device 63 ... Pressure reducing valve control device, 71 ... Hot water power generation management device, 72 ... Hot water power generation storage device, 81 ... Distribution board, 82 ... Air conditioning equipment power system supply means, 83 ... Information processing device power system supply means, 90A ... Steam pressure reduction Equipment 90B ... high temperature water device 91 ... refrigerator 92 ... cooling tower 93 ... heat storage means 111 ... sloped surface 121 ... nozzle 122 ... nozzle control mechanism 131 ... cooling fan 132 ... fan control unit 141 ... heat exchanger, 161 ... cooling oil filling plate, 162 ... second cooling oil supply section, 171 ... cooling oil piping, 172 ... pump, 231 ... exhaust heat hole, 241 ... first floor, 242 ... equipment placement section, 242A ... communicating bed, 242B ... Joy step member, 243 ... heat partition, A1 ... server room space, A2 ... exhaust space, Ain ... air, _{H 2} O ... water, M ... moisture, Pa ... polymeric adsorbents.

Claims (6)

An electronic device cooling device for cooling a plurality of electronic devices,
An electronic device housing portion for housing the plurality of electronic devices in a sealed state;
A cooling gas supply unit for supplying a cooling gas for cooling the electronic device in the electronic device housing unit;
A desiccant air conditioner for controlling the humidity of the cooling gas supplied into the electronic device housing;
An electronic device cooling apparatus comprising: The electronic device cooling device according to claim 1,
A cooling liquid spraying unit that supplies a cooling liquid that cools the electronic device to the electronic device,
A liquid recovery tank for recovering the cooled cooling liquid sprayed on the electronic device by the cooling liquid spraying unit;
A heat exchanger that cools the cooling liquid by exchanging heat with the cooling liquid in the liquid recovery tank;
A cooling gas cooling unit that is provided in the cooling gas circulation channel and cools the cooling gas by exchanging heat of the cooling liquid cooled by the heat exchanger in the circulation channel;
An electronic device cooling apparatus comprising: In the electronic device cooling device according to claim 2,
The cooling gas cooling part is
A heat exchange plate for exchanging heat with the cooling gas in the cooling gas circulation channel;
A cooling liquid flow lower part for flowing the cooling liquid cooled to the heat exchange plate;
An electronic device cooling apparatus comprising: The electronic device cooling device according to any one of claims 1 to 3,
A cogeneration device connected to the electronic device cooling device;
With
The cogeneration device is
A power generator that generates power using at least one of the heat of steam and hot water;
A desiccant air conditioner constituting the electronic device cooling device performs humidity control using at least one of steam and hot water used in the power generation device. In the cogeneration type air conditioning system according to claim 4,
The cogeneration type air conditioning system characterized in that the electrical energy generated by the power generator is supplied to the desiccant air conditioner. In the cogeneration type air conditioning system according to claim 4 or 5,
The cogeneration type air conditioning system characterized in that the electrical energy generated by the power generator is supplied to the electronic device.

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