CN105848452A - Four-in-one heat radiation system of data center - Google Patents
Four-in-one heat radiation system of data center Download PDFInfo
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- CN105848452A CN105848452A CN201610286818.3A CN201610286818A CN105848452A CN 105848452 A CN105848452 A CN 105848452A CN 201610286818 A CN201610286818 A CN 201610286818A CN 105848452 A CN105848452 A CN 105848452A
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- air
- hot
- air outlet
- heat
- data center
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
- H05K7/20827—Liquid cooling with phase change within rooms for removing heat from cabinets, e.g. air conditioning devices
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Central Air Conditioning (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a four-in-one heat radiation system of a data center. The four-in-one heat radiation system comprises a sealed hot cabinet (3), an underground air supply channel (5), a first heat pipe (6), a hot air pipeline (7), a heat pipe air conditioner (8), a return air pipeline (9), a machine room air conditioner (10) and an air supply pipeline (11). The evaporation section of the first heat pipe (6) is fit with the server (4) of a machine cabinet (1). The cooling section of the first heat pipe (6) is arranged in the sealed hot cabinet (3). One end of the hot air pipeline (7) is connected with the sealed hot cabinet (3) of the machine cabinet (1), and the other end is connected with the heat pipe air conditioner (8). The return air pipeline (9) is connected between the heat pipe air conditioner (8) and the machine room air conditioner (10). The air supply pipeline (11) is connected between the machine room air conditioner (10) and the underground air supply channel (5). The underground air supply channel (5) is provided with a second air supply port which is connected with the sealed hot cabinet (3). According to the heat radiation system of the data center, heat is concentrated so that the heat radiation effect is great and energy consumption is low.
Description
Technical field
The present invention relates to a kind of cooling system, particularly to the cooling system of a kind of data center, belong to machine
Room heat radiation and hot pipe technique field.
Background technology
Data center's (also known as machine room) has become the important component part in the national economic development, is to push away
Enter national science and technology industrial information and digitized mainstay.Along with data center's scale and integrated level
Development, in server, information technoloy equipment power density grows with each passing day, heat density sharp increase, data center
Heat dissipation problem and energy consumption problem increasingly receive publicity.With 100 racks sticking with rack server it is
Example, its total power consumption, up to 50 kilowatts, adds that heat radiation cooling system is also required to be equal to computer hardware certainly
The power consumption of body, often to spend commercial power 0.64 yuan calculating, within 1 year, fault-free runs the service of this frame
Device will take for about 550,000 yuan of electricity charge.The power consumption of data center just with annual 15%～20% speed
Degree increases.
Currently, China facing economic quickly growth and the contradiction of environmental resource bearing capacity, energy-conservation and ring
Protect and become China's many pillar of the economy industry developments and the theme of upgrading.The construction of data center and development are also
The direction run to more energy-saving and environmental protection and greenization is needed to advance.The heat management skill that data center is traditional
Art such as Forced Air Convection heat exchange, single-phase liquid are cold, owing to exchange capability of heat is not enough or conditionality etc. is former
Cause, causes effect undesirable and high cost.Heat pipe, as a kind of novel thermal management technology, exists
National economy especially electronic information field in life has it unique and is widely applied.Heat pipe is a kind of
By phase-change heat transfer, the heat transfer element with heat superconducting performance, it is by the phase transformation institute of working media in pipe
The latent heat produced transmits heat, and its Equivalent Thermal Conductivities is the hundreds times of common metal material thermal conductivity
The most thousands of times, it is described as " superconductor " of heat.
Chinese patent (application number 201410768307.6) discloses in a kind of data based on hot pipe technique
Heart energy-saving cooling system, it is to avoid the hot and cold air in machine room blends, it is possible to reduce at rack aft exit
The temperature of the hot-air group discharged, improves the integral heat sink efficiency of machine room, and system structure is simple, install and
Easy to maintenance.But it is owing to heat pipe is arranged in the hot blast at rack rear portion, the most straight with server pyrotoxin
Contact, radiating effect needs to be further improved.In addition this system is not owing to utilizing extraneous low-temperature receiver, main
Computer-room air conditioning system to be leaned on freezes, therefore energy consumption PUE (Power Usage Efficiency) of this patent
Index reduces limited, also has the place promoting further and improving.
Summary of the invention
The technical problem to be solved in the present invention is: overcoming prior art not enough, heat pipe is embedded into by the present invention
Server internal, directly contacts with the pyrotoxin of server, and combines hot-pipe type air conditioning technology, cold logical
Road sealing technique and the end, ground, optimize air-supply technology, constitute a complete heat collection and neutralize airtight inside
Closed circuit system, it is provided that the data center heat dissipation system that a kind of radiating effect is more preferably, energy consumption is lower.
The technical solution adopted in the present invention is:
A kind of quaternity cooling system of data center, including close hot cabinet, end air-supply passage,
One heat pipe, hot-blast pipe line, hot-pipe type air conditioning, air return pipeline, air conditioner in machine room and air-supply pipeline；Close heat
Cabinet, end air-supply passage, the first heat pipe, hot-blast pipe line, hot-pipe type air conditioning, air return pipeline, machine room empty
The air-supply pipeline that is in harmonious proportion does not connects with the surrounding air in data center；Close hot cabinet in rack side, and
And do not connect with rack, the server laminating in the evaporator section of the first heat pipe and rack, the first heat pipe cold
But during section is positioned at the hot cabinet of closing；One end of hot-blast pipe line and the air outlet of rack and the air outlet of the hot cabinet of closing
Connecting, the other end is connected with the air intake vent of hot-pipe type air conditioning hot blast side, and it is empty that air return pipeline is connected to heat pipe-type
Adjust between air outlet and the air intake vent of air conditioner in machine room of hot blast side, one end of air-supply pipeline and air conditioner in machine room
Air outlet connects, and the other end connects with ground end air-supply passage；Ground end air-supply passage is provided with and closes at the bottom of hot cabinet
The second air outlet that portion is connected.
Described cooling system also include close refrigerator, described closing refrigerator in rack side, and with rack phase
Connection, the end, described ground air-supply passage is provided with and closes the first air outlet being connected bottom refrigerator, closing cold
Cabinet does not connects with the surrounding air in data center.
The width of described closing refrigerator, more than the width 5～10mm of rack, closes height and the rack of refrigerator
In the height of the highest server in position flush.
Described air-supply pipeline is in air-supply passage at the bottom of ground, including supervisor and arm, supervisor and air conditioner in machine room
Air outlet connects, and one end of arm is connected with supervisor, and the other end of arm is arm air outlet, arm court
Different orientation extends, and blows to air-supply passage at the bottom of ground.
Described arm air outlet is positioned at the first air outlet or at the second air outlet.
The quantity that the arm air outlet of described air-supply pipeline is responsible at the first air outlet farther out in distance is many
Quantity at first air outlet nearer distance supervisor, at distance supervisor the second air outlet farther out
Quantity more than the quantity at distance nearer the second air outlet of supervisor.
The junction on described first air outlet and ground is provided with the first air outlet orifice plate, at the second air outlet with
The junction on ground is provided with second and send one's intention as revealed in what one says orifice plate, the hole of the first air outlet orifice plate and the second air-supply oral pore
The hole of plate be all from air-supply pipeline arm air outlet more close to, aperture is the least.
Described rack, close hot cabinet and hot-blast pipe line is two or more, rack and close hot cabinet and lead to
Cross hot-blast pipe line and be connected in parallel to the hot blast side entrance of hot-pipe type air conditioning.
Described hot-pipe type air conditioning includes the second heat pipe, and the evaporator section of the second heat pipe is positioned at the heat of hot-pipe type air conditioning
Wind side, cooling section is positioned at the cold wind side of hot-pipe type air conditioning, and the second heat pipe relatively horizontal orientation tilts counterclockwise
5～15 degree.
The cooling section relative evaporation section of described first heat pipe is folded upward at 5～15 degree.
Present invention advantage compared with prior art is:
1) first heat pipe of the present invention directly contacts with the heating position of server, compares heat pipe empty with heat
Gas contacts, and can be greatly improved heat output and the heat transfer efficiency of heat pipe, and heat pipe cooling section is positioned over closing heat
In cabinet, by intersegmental completely to rack rear portion and the closing completely isolated sealing of hot cabinet, the bringing-up section of heat pipe and cooling
Isolating seal, can improve the heat transfer efficiency of heat pipe further, thus improve cooling and the heat radiation effect of system
Really.
2) in the present invention, the setting of the first heat pipe makes the heat that in rack, server heat generating components produces main
Directly carried to the condensation segment of heat pipe by heat pipe, if properties of hot pipe excellence heat output is big, then
The heat radiation of possible heat generating components is completely without the air cooling way of cold airflow, then on the one hand just can remove
Multiple fan parts of server internal, reduce the running noises of server, reduce the huge of data center
Sound pollution, improves the overall comfort of data center operations personnel, on the other hand can remove current
The anterior first air outlet supply air system of rack, removes closing refrigerator, only need to retain the second of present invention design
Air outlet and the hot cabinet of closing, such that it is able to change the integral heat sink mode of current data center completely.
3) in the present invention hot-pipe type air conditioning and air conditioner in machine room in whole closed circuit be series connection couple knot
Structure relation, and hot-pipe type air conditioning is positioned at the front end of air conditioner in machine room, so discharges from multiple equipment cabinet server
Heat after corresponding multiple-way duct, first converge to hot-pipe type air conditioning, hot-pipe type air conditioning becomes and changes
The main force of heat drop temperature.Thermal current after hot-pipe type air conditioning is lowered the temperature continues to flow into air conditioner in machine room, air-conditioning
Only remaining a part of heat need to be freezed, when machine room outside atmosphere temperature relatively low (such as winter)
Time, air conditioner in machine room is without starting refrigerating function, when machine room outside atmosphere temperature the highest (extremely the hottest summer)
Time, hot-pipe type air conditioning does not works, but it does not affect flowing through of air-flow, and air conditioner in machine room becomes heat exchange fall
The main force of temperature.Both this series coupled structural relations, compare existing up-to-date patent and propose design also
Connection structural relation, the effect that hot-pipe type air conditioning plays is bigger, and the time of work is longer, therefore air conditioner in machine room
Refrigeration is the most less, and the energy-saving effect of whole data center becomes apparent from.
4) system in the present invention has carried out cold passage and the passage of heat respectively to the front and rear of rack
Close.Cold air can the most absolutely be sent in equipment cabinet server by cold channel enclosed, the passage of heat
Close the blending that thermal current on the one hand can be avoided to be discharged in machine room be formed machine room hot and cold air, on the other hand
Can be gathered together by thermal current, the concentration heat extraction of the hot-pipe type air conditioning for coupling below creates condition.
The double-enclosure of cold and hot passage improves the integral heat sink efficiency of machine room, reduces the refrigeration needed for air conditioner refrigerating
Amount.
5) hot-pipe type air conditioning in the present invention can focus on the heat of rack server discharge, and
The major part of these heats is directly discharged to outside machine room with the form of heat pipe heat exchanging by it, does not introduce
Humid air outside machine room.The heat radiation of hot-pipe type air conditioning is unidirectional, can be by heat from machine room during work
Being discharged into outside machine room, when not working, heat cannot be from machine room in incoming machine room, and the heat collection closed
Middle blood circulation can make hot-pipe type air conditioning run, such that it is able to significantly alleviate sky in the annual most of the time
Modulate cold burden, reduce the electric power that air conditioner refrigerating is consumed, reduce the operation cost of machine room, reach
Energy-saving low-carbon and the purpose of environmental protection.
6) cooling system in the present invention is on the basis of current existing cold and hot channel enclosed technology, first
Secondary end air supply mode and the air-out mode over the ground of proposing is optimized, and prevents the air-flow closing in refrigerator from occurring
The phenomenon that air quantity is unequal and pathogenic wind-warm is uneven, it is ensured that each rack obtains on width and short transverse
Obtain equivalent amount and mutually synthermal cold wind, thus improve the integral heat sink efficiency of machine room.
7) in the present invention novel quaternity cooling system can more efficiently by heat from server band
Walk, and heat is focused on, improve radiating efficiency, reduce what air conditioner in machine room refrigeration was consumed
Electricity, can be in Various Seasonal, the round-the-clock stable operation in different regions, it is possible to is effectively prevented from because of local
Problems of excessive heat and cause the shutdown of server, improve the integral operation ability of machine room and reliability.
8) the cooling system principle in the present invention is simple, and apparatus structure is easily installed and safeguards, to machine room
The requirement of present position and mounting condition is the lowest, and adaptability and versatility are relatively strong, and heat pipe can open automatically
Move and run, it is not necessary to extra power and power consumption, energy consumption is low but heat exchange efficiency high, therefore this heat radiation skill
Art and system can be applied in dissimilar and size data center and promote.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of data center of the present invention Novel cooling system；
Fig. 2 is data center of the present invention air-supply pipeline and the schematic top plan view of air-supply passage.
Detailed description of the invention
As it is shown in figure 1, the quaternity Novel cooling system of a kind of data center, including close refrigerator 2,
Close hot cabinet 3, end air-supply passage the 5, first heat pipe 6, hot-blast pipe line 7, hot-pipe type air conditioning 8, return
Air pipe line 9, air conditioner in machine room 10 and air-supply pipeline 11 etc..Close refrigerator 2, close hot cabinet 3, the end
Air-supply passage the 5, first heat pipe 6, hot-blast pipe line 7, hot-pipe type air conditioning 8, air return pipeline 9, machine room are empty
10 are adjusted all to be isolated with the surrounding air in data center with air-supply pipeline 11.
Data center there are rack 1, server 4 are deposited in the inside of rack 1.Close refrigerator 2 to be positioned at
The front portion of rack 1, connects with the open front of rack 1, but is isolating seal with building environment air
's.Close hot cabinet 3 and be positioned at the rear portion of rack 1.Close refrigerator 2 to go out the first of air-supply passage at the bottom of ground 5
Air port and server 4 front portion couple together, and the rear portion closing hot cabinet 3 and rack 1 is entirely isolated sealing
, both do not connect, and both junctions are steel facing, and plate has heat pipe hole, heat pipe hole for through
The pipeline of the first heat pipe 6, blend rubber circle or fluid sealant realize isolating seal, makes the gas can not be at rack
1 and close between hot cabinet 3 flow.The evaporator section of the first heat pipe 6 is close to server 4, the preferably first heat pipe
The evaporator section of 6 is close to the heating position of server 4, and the heating position of server 4 is CPU, north and south bridge
Chip, internal memory etc..The cooling section of the first heat pipe 6 is positioned in the hot cabinet 3 of closing.One end of hot-blast pipe line 7
Connecting the air outlet on rack 1 top and close the air outlet on hot cabinet 3 top, it is empty that the other end connects heat pipe-type
Adjust the air intake vent of 8 hot blast sides.The hot-blast pipe line 7 of the multiple rack of data center 1 is in parallel simultaneously
It is connected to the hot blast side entrance of hot-pipe type air conditioning 8.Air return pipeline 9 connects the hot blast side of hot-pipe type air conditioning 8
Air outlet and the air intake vent of air conditioner in machine room 10.Air-supply pipeline 11 is positioned in ground end air-supply passage 5, and one
End connects air conditioner in machine room 10 air outlet, and the other end extends towards different orientation in air-supply passage at the bottom of ground 5,
Blown to air-supply passage at the bottom of ground 5 by the air outlet of air-supply pipeline 11.Air conditioner in machine room 10 cold sky out
Gas 12 enters in closing refrigerator 2 after the first air outlet of air-supply passage at the bottom of ground 5, through sending at the bottom of ground
Enter after second air outlet of wind passage 5 and close in hot cabinet 3.First air outlet sets with the junction on ground
Having the first air outlet orifice plate, the junction at the second air outlet and ground is provided with second and send one's intention as revealed in what one says orifice plate, envelope
The lower section closing refrigerator 2 and the hot cabinet 3 of closing is respectively the first air-out orifice plate and the second air-out orifice plate, makes respectively
Close refrigerator 2 be connected with the first air outlet and make the hot cabinet of closing 3 be connected with the second air outlet, cold sky
Gas 12 is by absolutely flowing into the server in rack 1 after closing refrigerator 1.
Hot-pipe type air conditioning 8 includes the second heat pipe 20, hot blast side, cold wind side, frequency conversion fan and control system
System, the high-temperature hot air 17 in hot blast side inflow hot-blast pipe line, cold wind side is positioned at outside machine room, outside inflow
Cool ambient air 19 in boundary's atmospheric environment, the evaporator section of the second heat pipe 20 is positioned at hot blast side, cooling section
It is positioned at cold wind side, and hot blast side and cold wind side are entirely isolated sealing.
Optimize air-supply technology and include that the optimization of the length to pipeline 11 of having blown and air outlet position is adjusted
Joint, the tune of the pore size of floor air supply register orifice plate (the first air outlet orifice plate and the second air outlet orifice plate)
Joint and the preferred arrangement of aperture location, and close the width of refrigerator 2 and distributing rationally of height.As
Shown in Fig. 2, air-supply pipeline 11 be positioned at below floor in end air-supply passage 5, including supervisor and arm,
The bottom air outlet of air conditioner in machine room 10 connects the entrance of supervisor, and one end of arm connects supervisor, the other end
For arm air outlet, it is used for blowing to air-supply passage at the bottom of ground 5.Two row's racks 1 are along the two of the first air outlet
Side alignment (is often arranged rack 1 and is only depicted a rack 1) in Fig. 2, and two row's racks 1
Forward face opposite is placed, and cold airflow can simultaneously enter two by closing refrigerator 2 the most afterwards from the first air outlet
The front portion of row's rack 1.Traditional air-supply technology only considered ground end plenum chamber balanced ventilation pattern, air-supply
The design of pipeline and branch road thereof, based on the entirely uniform theory of spirit Flow and heat flux, does not consider
By branch road, cold airflow is directly sent near the first air outlet, and the design in optimization air port, with not
The cold that co-located server obtains, uniformly as design basis, improves air-supply efficiency.Tradition air-supply technology
Deficiency and simplify design and result in current data center and often arrange cold tight that equipment cabinet server obtains
Weight imbalance, the middle part air-flow air output of the first air outlet is big and temperature is relatively low the most sometimes,
And two ends air-flow air output is less and temperature is more relatively high；Sometimes distance air conditioner in machine room nearer the
One air outlet flows out air quantity, and greatly and temperature is relatively low, and the first air outlet that distance air conditioner in machine room is farther out flows out wind
Measure little and temperature is higher；And the air output that often in row's rack, server in differing heights position is obtained
Also differ bigger with pathogenic wind-warm.Present invention optimizes air supply mode and air-out mode, distance supervisor farther out the
Below the first air outlet that the quantity of the arm air outlet below one air outlet is nearer more than distance supervisor
The quantity of arm air outlet.In like manner, the air outlet of the arm below distance supervisor the second air outlet farther out
Quantity more than the quantity of the air outlet of the arm below distance nearer the second air outlet of supervisor.
Such as Fig. 2, in embodiment, arm includes the first branch line 23 and the second branch line 24, the
The arm air outlet of one branch line 23 is positioned under the first air outlet that distance supervisor is nearer, and main
The first branch line 23 managing every side is all only designed as 2 pipelines, because it is from main air-supply pipeline relatively
Closely, the cold wind blast obtained is higher, and pathogenic wind-warm is relatively low；Article 2, the arm air outlet of pipeline is positioned exactly at first
1/4 and 3/4 position drawn close slightly towards center of air outlet orifice plate.And the second branch line 24
Pipe air outlet is directly changed to be positioned under distance supervisor the first air outlet farther out, and main air-supply pipeline is every
Second branch line of side is designed as 3 pipelines；Article 3, the intermediate duct arm air outlet of pipeline is positioned at
Middle, what two, left and right was positioned exactly at the first air outlet orifice plate 1/6 and 5/6 draws close one slightly towards center
A little positions.The design of such structure can make each first air outlet of distance supervisor's different length obtain
Cold basically identical, the cold making same first air outlet obtain on the width of left and right is the most basic
Unanimously.The present invention also optimizes the regulation of the pore size of floor outlets orifice plate and the tune of aperture location
Joint, such as Fig. 2, in traditional data center's air supply mode, institute's hole of each first air outlet orifice plate
Pore size consistent (be the most all 22mm), pitch of holes also unanimously (such as 28mm), hole
Rate is about 50%, and this simple design makes to be positioned in the floor hole near branch line air outlet flows
The cold airflow air quantity gone out is big and temperature is relatively low, and away from the cold airflow air quantity flowed out at branch line air outlet
Little higher with temperature, the present invention will be located in the aperture of the floor hole near arm air outlet and diminishes (such as
15mm), and the aperture away from the floor hole at arm air outlet becomes big (such as 25mm), as
Shown in Fig. 2, but the porosity of whole first air outlet is kept not change.It is to say, first
The hole of air outlet orifice plate and the hole of the second air outlet orifice plate are all from air-supply pipeline 11 air outlet more
Closely, aperture is the least.Optimization design in terms of two above and structural adjustment, can make in rack different wide
The cold that obtains in the direction of the width of server of degree position is essentially identical, significantly improve air-supply efficiency and
The cooling radiating effect of server.Finally, the present invention is also to closing the width of refrigerator 2 and highly carrying out
Distribute rationally, be more than the width 5～10mm of rack 1 including the width closing refrigerator 2, close refrigerator 2
Height flush with the height of the superiors' server 4 in rack 1, reduce server 4 and server 4
Between unsettled spacing, make the cold in closing refrigerator 2 more concentrate, and bottom rack 1 with ground at the bottom of
Air-supply passage 5 is completely isolated, and the front portion of the unsettled spacing between server 4 and server 4 installs blind plate additional,
Prevent cold to run off, further improve air-supply efficiency and radiating efficiency.
The evaporator section of the first heat pipe 6 is flat-plate evaporators, or cylinder vaporizer coupling metal plate, steams
The area sending out section flat board is the least, and its length of side only has 2～about 4cm.The cooling section of the first heat pipe 6 is wing
The preparation of sheet pipe, heat pipe and fin and connection can take integrally formed or extruding or cold expanding or screw fastening
Mode.First heat pipe 6 can use aluminum-ammonia heat pipe or copper-Water Heat Pipes or aluminum-freon or copper
-freon heat pipe, and the evaporation section of heat pipe is horizontally disposed, and cooling section relative evaporation section is folded upward at
5～15 degree, to accelerate the reflux capability of liquid phase working fluid, improve the heat-transfer capability of heat pipe.First heat pipe 6
Evaporator section can according to the demand of heat power choose whether arrange capillary wick, when heat power is more than
During 100W, the first heat pipe 6 is designed with capillary wick, for loop heat pipe structure, otherwise without capillary wick, for
Gravity type heat pipe structure.
Evaporator section and the cooling section of the second heat pipe 20 all select fin tube structure.Second heat pipe 20 can be adopted
With aluminum-ammonia heat pipe or copper-freon heat pipe or aluminum-freon heat pipe.Second heat pipe 20 without capillary wick,
For gravity type heat pipe, and every heat pipe enters with the angle of inclination of relatively horizontal orientation 5-15 counterclockwise degree
Row is arranged.The heat transfer direction of the second heat pipe 20 is irreversible, and heat can only be from hot blast lateral cold wind side
Transmission, can only transmit heat during namely heat pipe work in machine room to machine room.
Second heat pipe 20 can start and longtime running automatically.When the pathogenic wind-warm in hot-blast pipe line 7 is higher than outward
Boundary's ambient temperature one fixed difference difference, as 5 DEG C and above time, the automatic startup optimization of heat pipe, in heat pipe pipeline 7
Most of heat be directly discharged in machine room machine room by heat pipe 20, minor heat is by machine room
Air-conditioning 10 undertakes；Otherwise, heat pipe 20 cannot start, and hot-pipe type air conditioning 8 quits work, extraneous heat
Amount also cannot be incoming, and the net quantity of heat that server 4 produces is undertaken by air conditioner in machine room 10.Heat pipe-type is empty
Adjust 8 combinations to close the sealing and circulating structure design of hot cabinet 3 and hot-blast pipe line 7, and it is positioned at machine room sky
Adjust the front end of 10, it is possible to make hot-pipe type air conditioning 8 run in the annual most of the time, the annual fortune in the north
The accounting of row time more than 70～85%, south the whole year operation time accounting more than 50～70%.
A kind of data center heat sinking technology of the present invention and the work process of system are as follows:
1) cold air 12 after air conditioner in machine room 10 refrigeration is logical to the air-supply of the entirely end by air-supply pipeline 11
Road 5 carries.The underlying floor closing refrigerator 2 has the first air outlet orifice plate, the one of cold air 12
Part enters closing refrigerator 2 the most afterwards and forms uniform refrigerator cold stream 13 from air-supply passage at the bottom of ground 5,
Then flow in the server 4 in rack 1.
2) heat generating components inside refrigerator cold stream 13 and server 4 carries out heat transfer process, refrigerator cold
Heat up after stream 13 absorption heat and become thermal current 14.Thermal current 14 is by being positioned at top, rack 1 rear
Extraction fan 16 take away, upward flowing come together in hot-blast pipe line 7.
3) evaporator section of the first heat pipe 6 is close to the heating position of server 4, and carries out with heat generating components
Heat transfer process.Heat is transmitted to the evaporator section of the first heat pipe 6, the first heat from heat generating components in the way of heat conduction
Liquid refrigerant inside the evaporator section of pipe 6 produces phase transformation after absorbing heat, and liquid becomes gas.Gas
Flow from the cooling section direction of trend the first heat pipe 6 under the effect of steam pressure.
If the excellent heat transfer properties of the first heat pipe 6, the heat that server 4 produces all can be carried
Cooling section to the first heat pipe 6, then on the one hand can remove the first wind closing refrigerator 2 underlying floor
Oral pore plate and closing refrigerator 2, the most just without refrigerator cold stream 13 with by the heat produced after server
Air-flow 14, such that it is able to remove the extraction fan 16 within server 4 further, is substantially reduced service
The running noises of device, reduces the huge sound pollution of data center, improves the whole of data center operations personnel
Body comfortableness.This is that the present invention proposes to use first this architectural feature of heat pipe 6 to dissipate to carry out server
Heat, may the additional effect that can bring and huge advantage, and likely overturn current data center
Integral heat sink mode.
4) close the floor bottom hot cabinet 3 and have the second air port orifice plate, of air-supply passage cold air 12
Enters the most afterwards point from air-supply passage at the bottom of ground 5 and close hot cabinet 3 and form uniform hot cabinet cold airflow 15.Heat
Cabinet cold airflow 15 flows through the cooling section of the first heat pipe 6, and with the cooling section of the first heat pipe 6 carries out heat exchange
Process.First heat pipe 6 transfers heat to hot cabinet cold airflow 15, the working medium in heat pipe cooling section due to
Heat release and occur condense phase transformation, gas becomes liquid, and liquid is under gravity from the cooling of heat pipe
Duan Zidong flows back to the evaporator section of heat pipe, and the most constantly circulation is repeatedly.After hot cabinet cold airflow 15 absorbs heat
Heat up, small-power extraction fan 25 take away and converge at hot-blast pipe line 7.
5) thermal current 14 in hot-blast pipe line 7 and this two-way heat of the hot cabinet cold airflow 15 after absorption heat
Air-flow forms high-temperature hot air 17 after collecting.High-temperature hot air 17 is from the hot blast side of hot-pipe type air conditioning 8
Entrance flows into, and flows through the evaporator section of the second heat pipe 20.High-temperature hot air 17 and the steaming of the second heat pipe 20
Sending out section and carry out heat exchange, heat is transmitted to the evaporator section of the second heat pipe 20 from high-temperature hot air 17, and heat pipe evaporates
Liquid refrigerant in Duan produces phase transformation after absorbing heat, and liquid becomes gas, gaseous working medium automatic stream
The cooling section of heat pipe.After high-temperature hot air 17 discharges heat, temperature is reduced, and becomes Low Temperature Thermal
Air 18.
6) cooling section of the second heat pipe 20 is positioned at the cold wind side of hot-pipe type air conditioning 8, and cold wind side is positioned at machine room
Outside.Cool ambient air 19 in ambient atmosphere environment is from the entrance stream of the cold wind side of hot-pipe type air conditioning 8
Enter, flow through the cooling section of the second heat pipe 20.The cooling section of cool ambient air 19 and the second heat pipe 20 enters
Row heat exchange, heat is transmitted to cool ambient air 19, in heat pipe cooling section from the cooling section of the second heat pipe 20
Working medium occurs due to heat release to condense phase transformation, and gas becomes liquid, and liquid is under gravity from warm
The cooling section of pipe flows back to the evaporator section of heat pipe automatically, and the most constantly circulation is repeatedly.Cool ambient air 19 is inhaled
Heating up after heat and become extraneous hot-air 21, extraneous hot-air 21 is direct by the aerator of cold wind side
It is discharged in ambient atmosphere.
7) during low temperature hot air 18 flows into air return pipeline 9, and finally it is pooled in air conditioner in machine room 10 enter
Row refrigeration cool-down.High-temperature hot air 17 in hot-blast pipe line 7 is because have passed through the fall of hot-pipe type air conditioning 8
Temperature processes, and therefore the cooling load of air conditioner in machine room 10 is greatly reduced.
If the cooling-down effect of hot-pipe type air conditioning 8 is notable in whole winter, air conditioner in machine room 10 is the most permissible
Stop using.
If the cool ambient air 19 in hot-pipe type air conditioning 8 cold wind in summer side is close to even more than heat pipe-type
The entrance high-temperature hot air 17 of air-conditioning 8 hot blast side, then hot-pipe type air conditioning 8 is automatically stopped work, and heat
Amount cannot inversely be transmitted, i.e. heat cannot be transmitted by hot-pipe type air conditioning 8 from the external world in machine room.And it is high
Warm air 17 still can flow through the hot blast side of hot-pipe type air conditioning 8 swimmingly, directly returns machine room empty
10 are adjusted to carry out refrigeration cool-down process.
8) the air-supply passage cold air 12 after air conditioner in machine room 10 refrigeration cool-down is again by air-supply pipeline 11
Carry to entirely end air-supply passage 5, and carry out the most successively, circulate repeatedly, structure
Become whole closed loop cycle loop 22.
The present invention is unspecified partly belongs to technology as well known to those skilled in the art.
Claims (10)
1. the quaternity cooling system of a data center, it is characterised in that include closing hot cabinet (3),
Ground end air-supply passage (5), the first heat pipe (6), hot-blast pipe line (7), hot-pipe type air conditioning (8),
Air return pipeline (9), air conditioner in machine room (10) and air-supply pipeline (11)；Close hot cabinet (3), the end
Air-supply passage (5), the first heat pipe (6), hot-blast pipe line (7), hot-pipe type air conditioning (8), return air
Pipeline (9), air conditioner in machine room (10) and air-supply pipeline (11) be not the most empty with the environment in data center
Gas connects；Close hot cabinet (3) in rack (1) side, and do not connect with rack (1), first
Server (4) laminating in the evaporator section of heat pipe (6) and rack (1), the first heat pipe (6) cold
But during section is positioned at the hot cabinet of closing (3)；The air outlet of one end of hot-blast pipe line (7) and rack (1) and
The air outlet closing hot cabinet (3) connects, and the other end connects with the air intake vent of hot-pipe type air conditioning (8) hot blast side
Connecing, air return pipeline (9) is connected to air outlet and the air conditioner in machine room (10) of hot-pipe type air conditioning (8) hot blast side
Air intake vent between, air-supply pipeline (11) one end be connected, separately with the air outlet of air conditioner in machine room (10)
One end connects with ground end air-supply passage (5)；Ground end air-supply passage (5) is provided with and closes hot cabinet (3)
The second air outlet that bottom is connected.
2. the quaternity cooling system of a data center as claimed in claim 1, it is characterised in that
Described cooling system also include close refrigerator (2), described closing refrigerator (2) in rack (1) side,
And be connected with rack (1), the end, described ground air-supply passage (5), is provided with and closes refrigerator (2) bottom
The first air outlet being connected, closes refrigerator (2) and does not connects with the surrounding air in data center.
3. a quaternity cooling system for data center as claimed in claim 2, its feature exists
In, the width of described closing refrigerator (2), more than the width 5～10mm of rack (1), closes refrigerator (2)
The height of the height server (4) the highest with the position in rack (1) flush.
4. the quaternity cooling system of a data center as claimed in claim 2, it is characterised in that
Described air-supply pipeline (11) is in air-supply passage at the bottom of ground (5), including supervisor and arm, supervisor and machine
The air outlet of room air-conditioning (10) connects, and one end of arm is connected with supervisor, and the other end of arm is arm
Air outlet, arm extends towards different orientation, and blows to air-supply passage at the bottom of ground (5).
5. the quaternity cooling system of a data center as claimed in claim 4, it is characterised in that
Described arm air outlet is positioned at the first air outlet or at the second air outlet.
6. the quaternity cooling system of a data center as claimed in claim 5, it is characterised in that
The quantity that the arm air outlet of described air-supply pipeline (11) is responsible at the first air outlet farther out in distance is many
Quantity at first air outlet nearer distance supervisor, at distance supervisor the second air outlet farther out
Quantity more than the quantity at distance nearer the second air outlet of supervisor.
7. the quaternity cooling system of a data center as claimed in claim 5, it is characterised in that
Described first air outlet is provided with the first air outlet orifice plate with the junction on ground, at the second air outlet and ground
Junction be provided with second and send one's intention as revealed in what one says orifice plate, the hole of the first air outlet orifice plate and the second air outlet orifice plate
Hole be all from air-supply pipeline (11) arm air outlet more close to, aperture is the least.
8. a quaternity cooling system for the data center as described in one of claim 1 to 8, its
It is characterised by, described rack (1), closes hot cabinet (3) and hot-blast pipe line (7) is two or two
Above, rack (1) and the hot cabinet of closing (3) are connected in parallel to by hot-blast pipe line (7)
The hot blast side air intake vent of hot-pipe type air conditioning (8).
9. a quaternity cooling system for the data center as described in one of claim 1 to 8, its
Being characterised by, described hot-pipe type air conditioning (8) includes the second heat pipe (20), the second heat pipe (20)
Evaporator section is positioned at the hot blast side of hot-pipe type air conditioning (8), and cooling section is positioned at the cold wind of hot-pipe type air conditioning (8)
Side, the second heat pipe (20) relatively horizontal orientation tilts 5～15 degree counterclockwise.
10. a quaternity cooling system for the data center as described in one of claim 1 to 8,
It is characterized in that, the cooling section relative evaporation section of described first heat pipe (6) is folded upward at 5～15 degree.
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| CN201610286818.3A CN105848452B (en) | 2016-05-03 | 2016-05-03 | A kind of quaternity cooling system of data center |
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| CN201610286818.3A CN105848452B (en) | 2016-05-03 | 2016-05-03 | A kind of quaternity cooling system of data center |
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| CN105848452B CN105848452B (en) | 2018-08-07 |
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| CN106855741A (en) * | 2016-12-29 | 2017-06-16 | 中国航天空气动力技术研究院 | A kind of heat abstractor and system for blade server chip |
| CN108650853A (en) * | 2018-06-14 | 2018-10-12 | 浙江大学山东工业技术研究院 | data center cooling system |
| CN108668507A (en) * | 2018-06-08 | 2018-10-16 | 浙江大学山东工业技术研究院 | Cold-storage cabinet |
| CN108882622A (en) * | 2018-06-14 | 2018-11-23 | 浙江大学山东工业技术研究院 | air supply device |
| CN109588026A (en) * | 2019-01-04 | 2019-04-05 | 南京工业大学 | Local thermal management system of data machine room server applying phase-change material and heat pipe heat exchanger |
| CN109618541A (en) * | 2019-01-04 | 2019-04-12 | 南京工业大学 | Data center composite cooling system with server additionally provided with heat pipe heat exchanger |
| CN109952005A (en) * | 2019-04-19 | 2019-06-28 | 苏州浪潮智能科技有限公司 | A kind of ventilating system for server cabinet |
| CN110753475A (en) * | 2019-09-18 | 2020-02-04 | 南京工业大学 | Data center composite cooling system additionally provided with heat pipe heat exchanger closed heat channel |
| CN113916036A (en) * | 2021-10-11 | 2022-01-11 | 华南理工大学 | Phase-change energy storage and artificial cold source combined operation system and method |
| CN116017953A (en) * | 2023-02-01 | 2023-04-25 | 中邮通建设咨询有限公司 | Heat abstractor for data center computer lab |
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| CN110753475A (en) * | 2019-09-18 | 2020-02-04 | 南京工业大学 | Data center composite cooling system additionally provided with heat pipe heat exchanger closed heat channel |
| CN113916036A (en) * | 2021-10-11 | 2022-01-11 | 华南理工大学 | Phase-change energy storage and artificial cold source combined operation system and method |
| CN116017953B (en) * | 2023-02-01 | 2023-09-29 | 中邮通建设咨询有限公司 | Heat abstractor for data center computer lab |
| CN116017953A (en) * | 2023-02-01 | 2023-04-25 | 中邮通建设咨询有限公司 | Heat abstractor for data center computer lab |
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