CN106385784B - A kind of radiation cooling method for the high heat density cabinet of data center - Google Patents
A kind of radiation cooling method for the high heat density cabinet of data center Download PDFInfo
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- CN106385784B CN106385784B CN201610855198.0A CN201610855198A CN106385784B CN 106385784 B CN106385784 B CN 106385784B CN 201610855198 A CN201610855198 A CN 201610855198A CN 106385784 B CN106385784 B CN 106385784B
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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
- H05K7/20763—Liquid cooling without phase change
- H05K7/2079—Liquid cooling without phase change within rooms for removing heat from cabinets
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- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of radiation cooling methods for the high heat density cabinet of data center, the big temperature difference air conditioner end equipment and cooled cabinet that are cooled down for cabinet are packaged in the construction that one is isolated with building environment, to prevent construction inner space from generating heat transfer with external building environment, big temperature difference air conditioner end equipment for cabinet cooling is set to cooled cabinet side, or the big temperature difference air conditioner end equipment for cabinet cooling is set between two cooled cabinets；It is connect with control system for the big temperature difference air conditioner end equipment of cabinet cooling and cooled cabinet, the big temperature difference air conditioner end equipment for being used in cabinet cooling realizes automatic adjustment according to control system.The present invention increases single heat exchanger heat exchange area by increasing circulating liquid flow line inner surface area, by the way that heat exchanger to be connected in series with, dramatically increases circulating liquid flow-path-length, the method for operation realized the small flow of circulating liquid, import and export the big temperature difference.
Description
Technical field
The present invention relates to data center's air conditioner energy-saving system technical fields, especially a kind of to be used for the high heat density of data center
The radiation cooling method of cabinet.
Background technology
Data center is a place for having accumulated a large amount of servers, storage device, the network equipment, is to realize data information
The service platform of the business such as centralized processing, storage, transmission, exchange and management.The power consumption of data center is mainly by information equipment, sky
Adjusting system and power supply-distribution system three parts are constituted, and wherein air-conditioning system power consumption accounts for about the 40% of total amount.With China's information industry
Fast development, explosive growth will be presented in data center, and power consumption increases by geometric progression, and energy consumption is huge.
With further increasing for information equipment integrated level, single server operational capability and calorific value are significantly increased, together
Shi Tiji is smaller and smaller, and data center's Single Cabinet power density is caused to increase sharply, and conventional overhead under-floor air supply mode is
Gradually it cannot be satisfied the cooling requirement of high power density cabinet.Also, traditional underfloor air distribution due to low-temperature receiver apart from heat source farther out,
Air current composition is not reasonable, brings the problem that the cooling of data center's cabinet is not enough and energy consumption is high.
Improve the effectively cooling problem in consumption of data center and end to need to change the air-supply of available data center air-conditioner end
Form makes low-temperature receiver close proximity to heat source, while free natural cooling source to be made full use of to be cooled down.Existing precise machine room air conditioner is cold
Jelly water supply water temperature is relatively low and supply backwater temperature difference is smaller, and supply backwater temperature difference is usually 5 DEG C, and host efficiency is relatively low and is unfavorable for exempting from
Expense natural cooling source makes full use of.
Invention content
The purpose of the present invention is overcoming above-mentioned the deficiencies in the prior art, provide a kind of for the high heat density cabinet of data center
Radiation cooling method, this method reduces air-flow and conveys energy making low-temperature receiver reduce air-flow fed distance by way of the cabinet
Consumption, is not in hot-spot phenomenon, and circulating liquid flow it is low, for/return that the liquid temperature difference is big, cooling efficiency is high, solve existing
The problem of with the presence of technology.
The present invention is achieved through the following technical solutions：A kind of heat dissipation for the high heat density cabinet of data center is cold
The big temperature difference air conditioner end equipment and cooled cabinet that are cooled down for cabinet are packaged in one and are isolated with building environment by but method
Construction in, it is described to be cooled down for cabinet to prevent construction inner space and external building environment from generating heat transfer
Big temperature difference air conditioner end equipment be set to cooled cabinet side or it is described for cabinet cooling big temperature difference air conditioner end
Device is set between two cooled cabinets；
The big temperature difference air conditioner end equipment for cabinet cooling includes cabinet, and sky solution-air is provided in the cabinet
Body heat exchange module and distribution of air flow module, the air-liquid heat exchange module include that several air-liquids arranged in parallel change
Hot device, the distribution of air flow module include air-supply air vane guide, return air stream guide vane and one group of wind turbine, the air-supply
Air vane guide, the wind turbine, the air-liguid heat exchanger and the return air stream guide vane are set in turn in described
In cabinet, the inlet and outlet temperature difference of refrigerating liquid is 10~15 DEG C in the air-liguid heat exchanger；
It is connect with control system for the big temperature difference air conditioner end equipment of cabinet cooling and cooled cabinet, is used in cabinet
Cooling big temperature difference air conditioner end equipment is realized according to control system and is automatically adjusted；
Control system by monitor the cooled cabinet server input current and return air inlet temperature to rotation speed of fan,
Refrigerating flow rate of liquid in air-supply air vane guide angle, the angle of air-liguid heat exchanger and air-liquid heat exchange module
It is adjusted；When cooled equipment cabinet server input current increases or the vertical each point air themperature of return air inlet improves, increase wind
Machine rotating speed makes air quantity increase, and so that air-supply air vane guide is rotated so that air-supply air flow direction enters the wind the angle in direction with server
Smaller is spent, wind speed is entered the wind to increase server；When cooled equipment cabinet server input current reduces and return air inlet temperature reduces,
Reducing rotation speed of fan makes air quantity reduce, and so that air-supply air vane guide is rotated so that air-supply air flow direction and server air inlet side
To angle bigger, reduce air-liquid heat exchange module in refrigerating liquid flow velocity.
Preferably, the access path for overhaul of the equipments and maintenance is provided on the construction.
The present invention by by the big temperature difference air conditioner end equipment and the cooled cabinet that are used for cabinet cooling be packaged in one with
In the construction of building environment isolation, which has heat insulating effect, realizes the local environment only implemented to cabinet
It is cooling, the energy waste caused by the entire building environment of cooling is avoided, while reducing the requirement to building environment temperature.
Big temperature difference air conditioner end equipment for cabinet cooling is arranged in the side of cabinet, can be located between two cabinets
Or it is located at separate unit cabinet side；The height of big temperature difference air conditioner end equipment and cabinet height are same or similar；Big temperature difference air conditioner
The horizontal depth of end equipment is more than the horizontal depth of cabinet, and air outlet position protrudes from cabinet front, and return air inlet position protrudes from machine
The cabinet back side.
The workflow of the big temperature difference air conditioner end equipment of cabinet cooling is used in the present invention is：Rear of cabinet server is arranged
The hot-air gone out is reversed to flow into air-liquid heat exchange module after return air guide vane changes flow direction, by air-liquid
After heat exchange module, hot-air is cooled to be cooled to suitable temperature, then flow direction air-supply air vane guide changes after wind turbine is pressurized
Changing wind direction, the ultimately reverse server air inlet for flowing into cabinet front form horizontal closed cycle.
The air quantity of the wind turbine can realize automatic adjustment, the air-supply air vane guide according to the real-time calorific value of cabinet
Angle can realize automatic adjustment according to the real-time calorific value of cabinet；The air-supply air vane guide and return air stream guide vane
It is vertical arrangement.
The temperature difference of refrigerating liquid is 10~15 DEG C, can more make full use of free natural cooling source, be configured with cold-storage system
The data center of system, big temperature difference cooling mode can also increase the cold-storage temperature difference of cold accumulation system, improve cold accumulation system cold-storage ability,
On the one hand more preferably peak load shifting effect may be implemented, on the other hand can stores more natural cold quantities for free cold supply.
Preferably, at least one of several described air-liguid heat exchangers are provided with rotating device, the rotating dress
The rotation angle set is not more than 90 °.One or more air-liguid heat exchangers can root in several air-liguid heat exchangers
Change according to cabinet calorific value and rotated along its own vertical central axes, rotation angle is adjusted automatically according to cabinet calorific value size
Section, rotation angle maximum can reach 90 °, be provided with the air-liguid heat exchanger of rotating device using mode and the collection of being flexible coupling
Liquid pipe is connected with liquid back pipe.
Preferably, several described air-liguid heat exchangers are connected in series with or are connected in parallel.Air-liguid heat exchanger
Liquid flow line inner surface area can be increased and liquid flow path length realizes that small flow, the big temperature difference are set by being connected in series with
Count purpose.
Preferably, the air-liguid heat exchanger is concurrent flow micro-channel heat exchanger or fin-tube type heat exchanger.
Preferably, the refrigerating liquid is water.
Preferably, the wind turbine vertical array.
Preferably, the refrigerating liquid of the air-liguid heat exchanger uses two-way feed flow, and two-way is respectively from different low-temperature receivers
Liquid supply pipe connect the inlet tube of the air-liguid heat exchanger simultaneously, the outlet tube of air-liguid heat exchanger connects simultaneously to be gone
Toward the liquid back pipe of different low-temperature receivers.Two-way liquid-supplying system in the present invention backups each other in operation, and the same time is only all the way
Liquid circulation, when the circuit recycled is broken down, another Loop Liquid will automatically begin to recycle.
The beneficial effects of the invention are as follows：
1, it by the present invention in that low-temperature receiver reduces air-flow fed distance against the mode of side of cabinet, reduces air-flow and conveys energy
Consumption, air-supply stream pressure and Temperature Distribution are more uniformly distributed, are enable to respond quickly when instantaneously being increased for cabinet calorific value by heat
The case where taking away, server avoided to overheat；
2, the present invention increases single heat exchanger heat exchange area by increasing circulating liquid flow line inner surface area, leads to
It crosses and is connected in series with several heat exchangers, dramatically increase circulating liquid flow-path-length, changed by being come into full contact with air
Heat, the method for operation realized the small flow of circulating liquid, import and export the big temperature difference；
3, the present invention improves circulating liquid outlet temperature, can dramatically increase by increasing circulating liquid confession/time liquid temperature difference
Free natural coldness resource utilizing rate, reduces the electrical chillers opening time, reduces data center's air conditioning energy consumption；
4, the present invention is by increasing circulating liquid confession/time liquid temperature difference, to being configured with the data center of cold accumulation system, Neng Gou great
Width increases the cold-storage temperature difference of cold accumulation system, improves cold accumulation system cold-storage ability, on the one hand realizes more preferably peak load shifting effect, drop
On the other hand low network load stores more natural cold quantities for free cold supply；
5, the present invention uses the wind turbine of quantity-adjustable, air quantity automatic adjustment can be carried out according to cabinet calorific value, to machine
The dynamic change of cabinet calorific value responds rapidly, in time takes away heat, realizes the dynamic regulation for cabinet cooling；
6, air vane guide is arranged in air outlet and return air inlet in the present invention, effectively reduces part when air-flow change flows to
Drag losses, air outlet air vane guide can automatically adjust blade angle according to cabinet calorific value, and realization more has cabinet
The cooling of effect；
7, the present invention with cooled cabinet by being packaged in the construction that one is isolated with building environment, construction tool
There is heat insulating effect, realizes and only the local environment that cabinet is implemented is cooled down, avoid caused by the entire building environment of cooling
Energy waste, while reducing the requirement to building environment temperature.
Description of the drawings
Fig. 1 is structural schematic diagram of the embodiment 1 for the big temperature difference air conditioner end equipment of cabinet cooling；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is the big temperature difference air conditioner end equipment three-dimensional perspective that embodiment 1 is used for cabinet cooling；
Fig. 5 is big temperature difference air conditioner end equipment third air-liguid heat exchanger rotation one of the embodiment 1 for cabinet cooling
Determine the structural schematic diagram after angle；
Fig. 6 is the vertical view of Fig. 5；
Fig. 7 is that big temperature difference air conditioner end equipment multiple air-liguid heat exchangers of the embodiment 1 for cabinet cooling use simultaneously
Connection mode connection diagram and two-way feed flow schematic diagram；
Fig. 8 is that big temperature difference air conditioner end equipment multiple air-liguid heat exchangers of the embodiment 1 for cabinet cooling use string
Connection mode connection diagram；
Reference numeral meaning in figure：1, cabinet；2, cabinet；3, air-supply air vane guide；4, wind turbine；5, return air stream is led
To blade；6, the first air-liguid heat exchanger；7, the second air-liguid heat exchanger；8, third air-liguid heat exchanger；9, it revolves
Rotary device；10, construction；11, access path；12, the first liquid supply pipe；13, the second liquid supply pipe；14, the first liquid back pipe；15,
Two liquid back pipes.
Specific implementation mode
Present disclosure is described in further details with reference to the accompanying drawings and detailed description.
Embodiment 1
Refering to fig. 1 to Fig. 8, Fig. 2 and Fig. 5 arrows show the path of air-supply flowing, Fig. 7 and Fig. 8 arrows show flow
Direction.A kind of big temperature difference air conditioner end equipment and radiation cooling method for the high heat density cabinet of data center will be used for machine
The big temperature difference air conditioner end equipment and cooled cabinet 2 of cabinet cooling are packaged in a construction being isolated with building environment 10,
To prevent 10 inner space of construction from generating heat transfer with external building environment, the big temperature difference air conditioner end for cabinet cooling
End device is set to 2 side of cooled cabinet, or the big temperature difference air conditioner end equipment for cabinet cooling is set to two quilts
Between cooling machine cabinet；
Big temperature difference air conditioner end equipment for cabinet cooling includes cabinet 1, and air-liquid heat exchange is provided in cabinet 1
Module and distribution of air flow module, air-liquid heat exchange module include several air-liguid heat exchangers arranged in parallel, air-flow
Distribution module includes air-supply air vane guide 3, return air stream guide vane 5 and one group of vertically disposed wind turbine 4, air-flow of blowing
Guide vane 3, wind turbine 4, air-liguid heat exchanger and return air stream guide vane 5 are set in turn in the cabinet.
It is connect with control system for the big temperature difference air conditioner end equipment of cabinet cooling and cooled cabinet, is used in cabinet
Cooling big temperature difference air conditioner end equipment is realized according to control system and is automatically adjusted.
The access path 11 for overhaul of the equipments and maintenance is provided on construction.In the present embodiment, cooled down for cabinet
Big temperature difference air conditioner end equipment be set between two cooled cabinets, the installation position of the big temperature difference air conditioner end equipment can
According to specific operating mode it is practical determine, the purpose of the setting of position be make low-temperature receiver against cabinet mode reduce air-flow conveying away from
From, reduction air-flow conveying energy consumption, and be not in hot-spot phenomenon.
The application by by the big temperature difference air conditioner end equipment and the cooled cabinet that are used for cabinet cooling be packaged in one with
In the construction of building environment isolation, which has heat insulating effect, realizes the local environment only implemented to cabinet
It is cooling, the energy waste caused by the entire building environment of cooling is avoided, while reducing the requirement to building environment temperature.
Big temperature difference air conditioner end equipment for cabinet cooling is arranged in the side of cabinet, can be located between two cabinets
Or it is located at separate unit cabinet side；The height of big temperature difference air conditioner end equipment and cabinet height are same or similar；Big temperature difference air conditioner
The horizontal depth of end equipment is more than the horizontal depth of cabinet, and air outlet position protrudes from cabinet front, and return air inlet position protrudes from machine
The cabinet back side.
The temperature difference of the refrigerating liquid of air-liguid heat exchanger is 10~15 DEG C, and refrigerating liquid is water, acetone or other refrigeration
Working medium, in the present embodiment, preferably refrigerating liquid is water, can convert refrigerating liquid according to actual needs.The disengaging of refrigerating liquid
The mouth temperature difference is 10~15 DEG C, can more make full use of free natural cooling source, in the data center for being configured with cold accumulation system, big temperature
Poor cooling mode can also increase the cold-storage temperature difference of cold accumulation system, improve cold accumulation system cold-storage ability, on the one hand may be implemented more
On the other hand good peak load shifting effect can store more natural cold quantities for free cold supply.
The cooling medium of air-liguid heat exchanger uses two-way feed flow, two-way same respectively from the liquid supply pipe of different low-temperature receivers
When connect the inlet tube of air-liquid heat exchange module, the outlet tube of air-liquid heat exchange module connect simultaneously go to it is different cold
The liquid back pipe in source；Two-way liquid-supplying system in the application backups each other in operation, and the same time only has liquid circulation all the way, when
When the circuit recycled is broken down, another Loop Liquid will automatically begin to recycle.
Air-liguid heat exchanger can be concurrent flow micro-channel heat exchanger or fin-tube type heat exchanger, in the present embodiment, sky
Solution-air body heat exchanger is concurrent flow micro-channel heat exchanger, and air-liguid heat exchanger has 3, is that the first air-liquid changes respectively
Hot device 6, the second air-liguid heat exchanger 7 and third air-liguid heat exchanger 8.
The quantity of air-liguid heat exchanger its can determine that those skilled in the art can according to the needs of actual conditions
With the quantitative range expected its within protection scope of the present invention.
The workflow of the big temperature difference air conditioner end equipment of cabinet cooling is used in the application is：Rear of cabinet server is arranged
The hot-air gone out is reversed to flow into air-liquid heat exchange module after return air guide vane changes flow direction, by air-liquid
After heat exchange module, hot-air is cooled to be cooled to the temperature set in control system, then the flow direction air-supply air-flow after wind turbine is pressurized
Guide vane changes wind direction, and the ultimately reverse server air inlet for flowing into cabinet front forms horizontal closed cycle.
The air quantity of wind turbine can realize automatic adjustment according to the real-time calorific value of cabinet, and air-supply air vane guide angle can be with
Automatic adjustment is realized according to the real-time calorific value of cabinet；Air-supply air vane guide and return air stream guide vane are vertical cloth
It sets.
Several air-liguid heat exchangers are connected in series with or are connected in parallel.In the present embodiment, the first air-liquid changes
Hot device 6, the second air-liguid heat exchanger 7 and third air-liguid heat exchanger 8 are connected in series with, which can increase liquid
Body flow line inner surface area and liquid flow path length realize small flow, the big temperature difference purpose of design.As shown in figure 8,
Refrigerant liquid successively sequentially enters third air-liguid heat exchanger 8, second after the first liquid supply pipe 12 or the second liquid supply pipe 13
Air-liguid heat exchanger 7 and the first air-liguid heat exchanger 6 are discharged through the first liquid back pipe 14 or the second liquid back pipe 15.
Several air-liguid heat exchangers can select to be connected in parallel according to actual conditions, as shown in fig. 7, refrigerant liquid passes through
After first liquid supply pipe 12 or the second liquid supply pipe 13, pass through third air-liguid heat exchanger 8, the second air-liguid heat exchanger respectively
7 and first after air-liguid heat exchanger 6, and third air-liguid heat exchanger 8, the second air-liguid heat exchanger 7 and first is empty
It is discharged through the first liquid back pipe 14 or the second liquid back pipe 15 after the refrigerant liquid mixing that solution-air body heat exchanger 6 is discharged.
Rotating device can be arranged in one or more air-liguid heat exchangers, in the present embodiment, third sky solution-air
Body heat exchanger 8 is provided with rotating device 9, and the rotation angle of rotating device 9 is not more than 90 °.In several air-liguid heat exchangers
One or more air-liguid heat exchangers can change according to cabinet calorific value to be rotated along its own vertical central axes, is revolved
Gyration is automatically adjusted according to cabinet calorific value size, and rotation angle maximum can reach 90 °, be provided with the sky of rotating device
Solution-air body heat exchanger is connect using the mode that is flexible coupling with collector tube and liquid back pipe.It is illustrated in figure 5 the heat exchange of third air-liquid
Device 8 rotate by a certain angle after big air-conditioner tail end equipment structural schematic diagram.
Control system is by monitoring 2 server input current of cabinet and return air inlet temperature to rotation speed of fan, air-supply air-flow
Refrigerating flow rate of liquid in 3 angle of guide vane, the angle of rotatable air-liguid heat exchanger 8 and air-liquid heat exchange module
It is adjusted.When equipment cabinet server input current increases or the vertical each point air themperature of return air inlet improves, increase rotation speed of fan
So that air quantity increases；And air-supply air vane guide 3 is made to rotate by a certain angle so that air-supply air flow direction and server air inlet side
To angle smaller, with increase server enter the wind wind speed；Rotatable air-liguid heat exchanger 8 keeps hanging down with air flow direction at this time
Directly.When equipment cabinet server input current reduces and return air inlet temperature reduces, reduces rotation speed of fan and air quantity is reduced；And make to send
Wind air vane guide 3 rotates by a certain angle so that the angle bigger of air-supply air flow direction and server air inlet direction；And it adjusts
Rotatable air-liguid heat exchanger 8 and the angle of air flow direction are less than 90 °；And reduce refrigerating liquid in air-liquid heat exchange module
The flow velocity of body.
Above-listed detailed description is illustrating for possible embodiments of the present invention, which is not to limit this hair
Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the scope of the claims of this case.
Claims (8)
1. a kind of radiation cooling method for the high heat density cabinet of data center, it is characterised in that：By what is cooled down for cabinet
Big temperature difference air conditioner end equipment and cooled cabinet are packaged in the construction that one is isolated with building environment, to prevent construction
Inner space generates heat transfer, the big temperature difference air conditioner end equipment setting for cabinet cooling with external building environment
It is set to two cooled cabinets in cooled cabinet side or the big temperature difference air conditioner end equipment for cabinet cooling
Between；
The big temperature difference air conditioner end equipment for cabinet cooling includes cabinet, and being provided with air-liquid in the cabinet changes
Thermal modules and distribution of air flow module, the air-liquid heat exchange module include several air-liquid heat exchange arranged in parallel
Device, the distribution of air flow module include air-supply air vane guide, return air stream guide vane and one group of wind turbine, the air-supply gas
Stream guide vane, the wind turbine, the air-liguid heat exchanger and the return air stream guide vane are set in turn in the cabinet
In vivo, the inlet and outlet temperature difference of refrigerating liquid is 10~15 DEG C in the air-liguid heat exchanger；
It is connect with control system for the big temperature difference air conditioner end equipment of cabinet cooling and cooled cabinet, is used in cabinet cooling
Big temperature difference air conditioner end equipment according to control system realize automatically adjust；
Control system is by monitoring the cooled cabinet server input current and return air inlet temperature to rotation speed of fan, air-supply
Refrigerating flow rate of liquid carries out in air vane guide angle, the angle of air-liguid heat exchanger and air-liquid heat exchange module
It adjusts；When cooled equipment cabinet server input current increases or the vertical each point air themperature of return air inlet improves, increases wind turbine and turn
Speed is so that air quantity increases, and air vane guide of blowing rotates so that air-supply air flow direction enters the wind the angle in direction more with server
It is small, wind speed is entered the wind to increase server, rotary air-liquid heat-exchanger keeps vertical with air flow direction；When cooled cabinet takes
When business device input current reduces and return air inlet temperature reduces, reduces rotation speed of fan and air quantity is reduced, make air-supply air-flow directing vane
Piece rotates the angle bigger so that air-supply air flow direction and server air inlet direction, reduces refrigerating in air-liquid heat exchange module
The angle of the flow velocity of liquid, rotary air-liquid heat-exchanger and air flow direction is less than 90 °.
2. the radiation cooling method according to claim 1 for the high heat density cabinet of data center, it is characterised in that：Institute
State the access path being provided on construction for overhaul of the equipments and maintenance.
3. the radiation cooling method according to claim 1 for the high heat density cabinet of data center, it is characterised in that：Institute
It states at least one of several air-liguid heat exchangers and is provided with rotating device, the rotation angle of the rotating device is little
In 90 °.
4. the radiation cooling method according to claim 1 for the high heat density cabinet of data center, it is characterised in that：Institute
Several air-liguid heat exchangers are stated to be connected in series with or be connected in parallel.
5. the radiation cooling method according to claim 1 or 4 for the high heat density cabinet of data center, feature exists
In：The air-liguid heat exchanger is concurrent flow micro-channel heat exchanger or fin-tube type heat exchanger.
6. the radiation cooling method according to claim 1 for the high heat density cabinet of data center, it is characterised in that：Institute
It is water to state refrigerating liquid.
7. the radiation cooling method according to claim 1 for the high heat density cabinet of data center, it is characterised in that：Institute
State wind turbine vertical array.
8. the radiation cooling method according to claim 1 for the high heat density cabinet of data center, it is characterised in that：Institute
The refrigerating liquid for stating air-liguid heat exchanger uses two-way feed flow, two-way to be connected simultaneously respectively from the liquid supply pipe of different low-temperature receivers
The inlet tube of the air-liguid heat exchanger, the outlet tube of air-liguid heat exchanger connects simultaneously goes to returning for different low-temperature receivers
Liquid pipe.
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| CN201610855198.0A CN106385784B (en) | 2016-09-26 | 2016-09-26 | A kind of radiation cooling method for the high heat density cabinet of data center |
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| EP3787385A1 (en) * | 2019-08-26 | 2021-03-03 | Ovh | Cooling arrangement for a rack hosting electronic equipment and at least one fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679470B (en) * | 2017-02-13 | 2019-04-09 | 中国科学院合肥物质科学研究院 | A kind of high-efficiency rotating radiator cooling based on thin channel |
| CN109963445A (en) * | 2019-04-08 | 2019-07-02 | 突破电气（天津）有限公司 | Multi-regulation intelligent precise supply air system and control method |
| US11765864B2 (en) | 2019-08-26 | 2023-09-19 | Ovh | Cooling arrangement for a rack hosting electronic equipment and at least one fan |
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