CN209472923U - A kind of cooling immersion liquid cooling combination unit of server - Google Patents
A kind of cooling immersion liquid cooling combination unit of server Download PDFInfo
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- CN209472923U CN209472923U CN201821310428.6U CN201821310428U CN209472923U CN 209472923 U CN209472923 U CN 209472923U CN 201821310428 U CN201821310428 U CN 201821310428U CN 209472923 U CN209472923 U CN 209472923U
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Abstract
The utility model discloses a kind of cooling immersion liquid cooling combination units of server, it is characterised in that: including metal cabinet and the first condensation tube bank；Coolant liquid is loaded in metal cabinet；Coolant liquid submerges server；First condensation tube bank is located under cooling-liquid level, and the first condensation tube bank is connected to the first cooling water distribution units.The server and electrical equipment of the utility model are completely submerged in electronics fluorination liquid body, and liquid comes into full contact with heating element, and heat transfer effect is significant.
Description
Technical field
The utility model relates to server radiating liquid cooling technology field more particularly to a kind of cooling immersions of server
Liquid cooling combined system and device.
Background technique
The fast development of microelectronic chip technology, the miniaturization of electronic component, integrated development trend, so that chip
Packing density is continuously improved, and the heat flow density of component and device server continues to increase, if not taking reasonable radiating control
Technology will seriously affect performance and the service life of electronic component.
Currently, computer server chip mainly uses air-cooled cooling technology, i.e., with air come directly cooling electronic equipment
Heating element, using between device components gap and shell carry out heat transfer, convection current and radiation heat transfer, realize fever
Elements heat radiates to ambient enviroment and cooling purpose, air-cooled cooling technology are generally used for the not high field of server heat flow density
Institute, when server heat flow density is higher than 80w/cm2, air-cooled faced high energy consumption, local tropical island effect and noise problem will
Clearly, the reliability of product can also further decrease.
Immersion liquid cooling technology is the higher type of cooling of efficiency during liquid is cooling, mainly by server electronic component
It is immersed in nonconducting liquid, heat passes to cooling liquid from heating element, then recycles or steams using external fluid
But heat dissipation of feeling cold is passed in external environment, to achieve the effect that efficiently cooling.Immersion liquid cooling technology submerges work according to selection
Matter is different, can be divided into single-phase submergence and phase transformation submerges two kinds of technologies.By taking water and air as an example, the equipment of 10kW controls equipment temperature
10 degree are upgraded to, then needs air 3250m3/h, cooling water 900L/h, the two volume differs 275 times.It can be seen that air-cooled cold
But it is not optimal selection, air-cooled technology is outclassed using liquid cooling cooling technology.
About liquid cooling technology, numerous studies and practical application predominantly stay in cooling plate type liquid cooled server, and immersion liquid
Refrigeration technique is also mostly in theoretical research and experimental stage, and apart from actual product application demand, there is also serious barren.Newest
In research, a kind of conductivity of heat heat simultaneously there is the electronics fluorination liquid of insulation performance to be paid close attention to by industry better than water, this advantage is beaten
The industry that conventional cooling system mineral oil in fluid is cooling and cold plate is cooling, and cooling liquid cannot directly be contacted with electronic component is broken
Limitation.And electronics fluorination liquid and cooling object is further selected to carry out direct heat exchange, the cooling efficiency of liquid cooling can be improved.
Summary of the invention:
For Related Technical Issues, design scheme of the present invention is set on the basis of electronics fluorination liquid coolant liquid
Count it is a set of can meet single-phase and phase-change heat transfer two sets of plan liquid cooling system simultaneously, server heating element is complete in the system
Full submergence in a liquid, by directly contacting carry out heat transfer, can greatly improve the efficiency of cooling system, enrich simultaneously
System designs the selection of a variety of liquid cooling schemes.
The technical solution of the present invention is as follows: a kind of cooling immersion liquid cooling combination unit of server, including metal cabinet and the
One condensation tube bank；Coolant liquid is loaded in metal cabinet；Coolant liquid submerges server；First condensation tube bank is located at coolant liquid liquid
Under face, the first condensation tube bank is connected to the first cooling water distribution units.
It further, further include the support for fixed server for being located at metal cabinet bottom.Support is equipped with card
Slot is equipped with interval between adjacent card slot.Card is by for fixed server.Interval between card slot so that between server there are
Gap.The bubble for being conducive to server and coolant liquid heat exchange generation is sufficiently formed and is detached from, and enhances boiling heat transfer effect, together
When convenient for individual server operation and maintenance.
Further, support is height-adjustable support.Server height scale is adjusted, by support to meet
The demand of different depth server.Height-adjustable support is the prior art,
Further, coolant liquid includes boiling point in 34-61 DEG C of phase transformation electronics fluorination liquid and boiling point at 75-170 DEG C
Single-phase electronic is fluorinated liquid or mineral cooling oil.Low, nonflammable, non-conductive, peace that electronics fluorine coolant liquid is that a kind of nothing remits transparent viscosity
The very high liquid of full performance, characteristic are incompatible with water.Phase-change heat transfer scheme selects phase transformation electronics fluorination liquid；Single-phase heat transfer
Scheme selects single-phase electronic fluorination liquid or mineral cooling oil.Two kinds of coolant liquid is applied to different performance and services unit.
It further, further include the second condensation tube bank being located above cooling-liquid level, the second condensation tube bank and second
Cooling water distribution units connection.The structure is suitable for phase-change heat transfer scheme.
It further, further include the fan for being set to metal cabinet side, fan is at the top of metal cabinet.Fan
The Rapid Circulation of box house vaporization liquid, the heat exchange efficiency of enhancing condensation tube bank are completed in air draught from the bottom up.
It further, further include electric fittings device, external interface device and the external quick coupling of cooling water；Electrically
Accessory device includes power supply, power distribution unit, cable and optical fiber, and electric fittings device is arranged in the bottom of box close to shell
Place；External interface device and the external quick coupling of cooling water are separately positioned on the lateral surface of cabinet.
Further, cabinet includes inner shell and outer shell；Top, leading flank and the trailing flank of outer shell
On be respectively equipped with viewing body；Inner shell is closing shell.Viewing body is for observing internal heat situation.Inner shell
To close shell, guarantee that box house liquids and gases will not be revealed.
Further, the caliber of the first condensation tube bank and the second condensation tube bank is 5-12mm, and number of rows is 2-3 row, column
Number is that 10-15 is arranged.First cooling water distribution units one end provides the first condensation tube bank cooling water and evenly distributes task, the other end
Mouth is used and is connect with hose with the external quick coupling of cooling water.
Second cooling water distribution units one end provides the defeated cooling water of the second condenser pipe and evenly distributes task, and another port is adopted
It is connect with hose with the external quick coupling of cooling water.
It further, further include equipped with the safety valve on cabinet.
The utility model has the advantages that
1, server and electrical equipment are completely submerged in electronics fluorination liquid body, and liquid comes into full contact with heating element,
Heat transfer effect is significant.
2, between server there are gap, be conducive to server and be fluorinated the bubble that liquid heat exchange generates be sufficiently formed and
It is detached from, enhances boiling heat transfer effect, while being convenient for the operation and maintenance of individual server.
3, immersion liquid cooling phase-change heat-exchange and non-phase-change heat-exchange can be taken into account, to meet different electronics fluorination liquids and difference bear
Heat exchange demand between lotus server.
4, two-phase submergence is achievable evaporates cooling self-loopa flowing, restrains cooling water for server heat band by condensation
System out.
5, the hermetically sealed design of cabinet, it is ensured that refrigerant, which does not leak outside, damages other electronic equipments and building environment, while can reduce
The process of electronics liquid cooling matchmaker consumes.
6, it is applicable in and uses high density server place, thermic load can be met higher than 80w/cm2 server unit.
7, it is not necessarily to system air conditioner and blower, unit runs low noise, and efficiency of energy utilization is high, and computer room PUE value can be lower than
1.1。
Detailed description of the invention:
Fig. 1 is the main view of the cooling immersion liquid cooling combination unit of server of the present invention；
Fig. 2 is the top view of the cooling immersion liquid cooling combination unit of server of the present invention；
Fig. 3 is that case immersion liquid cooling two-phase submergence conceptual scheme is embodied in the present invention one；
Fig. 4 is another single-phase submergence conceptual scheme of specific implementation case immersion liquid cooling of the present invention.
Specific embodiment:
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
It the present invention rather than limits the scope of the invention, after the present invention has been read, those skilled in the art are to of the invention each
The modification of kind equivalent form falls within the application range as defined in the appended claims.
As shown in the picture, the cooling immersion liquid cooling combination unit of a kind of server 3, including metal cabinet 1 and the first condensation
Tube bank 2；Coolant liquid is loaded in the metal cabinet 1；The coolant liquid is totally submerged server 3；The first condensation tube bank
2 are located under cooling-liquid level 4, and the first condensation tube bank 2 is connected to the first cooling water distribution units 201.
It further, further include the support 5 for fixed server 3 for being located at 1 bottom of metal cabinet.The support 5
It is equipped with card slot, is equipped with interval between adjacent card slot.Card is by for fixed server 3.Interval between card slot is so that server
There are gaps between 3.The bubble for being conducive to server 3 and coolant liquid heat exchange generation is sufficiently formed and is detached from, and enhancing boiling passes
Thermal effect, while being convenient for the operation and maintenance of individual server 3.
Further, the support 5 is height-adjustable support 5.3 height gauge of server is adjusted by support 5
Degree, to meet the needs of different depth server 3.Height-adjustable support 5 is the prior art.Select NIELEON it is resistance to it is bright (on
Sea) Industrial Equipment Co., Ltd model NL00642.
Further, the coolant liquid includes boiling point in 34-61 DEG C of phase transformation electronics fluorination liquid and boiling point in 75-170
DEG C single-phase electronic fluorination liquid or mineral cooling oil.It is low that the electronics fluorine coolant liquid is that a kind of nothing remits transparent viscosity, nonflammable,
Non-conductive, the very high liquid of security performance, characteristic is incompatible with water.Phase-change heat transfer scheme selects phase transformation electronics fluorination liquid；
Single-phase heat transfer scheme selects single-phase electronic fluorination liquid or mineral cooling oil.
It further, further include condensing tube bank 6, the second condensation tube bank positioned at the second of 4 top of cooling-liquid level
6 are connected to the second cooling water distribution units 601.The structure is suitable for phase-change heat transfer scheme.
It further, further include the fan 7 at close 1 top of metal cabinet, the fan is located at 1 side of metal cabinet
At the 5cm of top.The Rapid Circulation of 1 interior evaporation liquid of cabinet is completed in the air draught from the bottom up of fan 7, enhancing condensation tube bank
Heat exchange efficiency.
It further, further include electric fittings device 8, external interface device 9 and the external quick coupling 10 of cooling water；
The electric fittings device 8 includes power supply, power distribution unit, cable and optical fiber, and the electric fittings device 8 is arranged in case
1 bottom of body is at shell；The external interface device 9 and the external quick coupling 10 of cooling water are separately positioned on the outer of cabinet 1
On side.The electric fittings of configuration has external interface device simultaneously, convenient to connect with outer unit electricity piece.Described, cooling water
External quick coupling, using stainless steel material, provide condensation tube bank for return water, facilitate internal liquid cooling structure (such as condenser pipe and
Allocation unit) with the quick connection of outer machine.
Further, the cabinet 1 includes inner shell and outer shell；The top of the outer shell, leading flank
With viewing body is respectively equipped on trailing flank；The inner shell is closing shell.Viewing body is for observing internal heat feelings
Condition.Inner shell is closing shell, guarantees that 1 internal liquid of cabinet and gas will not be revealed.
Further, the caliber of the first condensation tube bank 2 and the second condensation tube bank 6 is 5-12mm, number of rows 2-
3 rows, columns are 10-15 column.First cooling 201 one end of water distribution units, which provides the first condensation 2 cooling waters of tube bank and evenly distributes, appoints
Business, another port use and connect with hose with the external quick coupling 10 of cooling water.
Second cooling 601 one end of water distribution units provides the defeated cooling water of the second condenser pipe and evenly distributes task, another port
It is connect using with hose with the external quick coupling 10 of cooling water.
It further, further include equipped with the safety valve 11 on cabinet 1.
There are two types of embodiments, including immersion liquid cooling two-phase to submerge scheme for present apparatus immersion liquid cooling combined system tool
With the single-phase submergence scheme of immersion liquid cooling.
Immersion liquid cooling two-phase submerges scheme specific embodiment as shown in Fig. 2, cooling unit I operation, cooling unit II
It closes, coolant liquid selects low boiling point electronics fluorination liquid, and specific working mode is as follows:
The server 3 and electrical module being immersed in coolant liquid pass to heat in surrounding liquid, and electronics fluorination liquid absorbs
Heat generates bubble, accelerates boiling heat transfer under the disturbance of bubble, eventually disengages from liquid level and generates gas, on the other hand, cooling
Unit condensation tube bank I condenses it at condensation tube bank I outer wall, in gravity by the cooling electronics fluorination liquid gas of cooling water
Under effect, tank interior is come back to, so far, completes one cycle process.The embodiment, electronics fluorination liquid inner ebullition
The heat transfer that bubble process is conducive to server 3 and coolant liquid is generated, and fan 7 can be accelerated to vaporize the biography between liquid and cooling water
Thermal effect.
The single-phase submergence scheme specific embodiment of immersion liquid cooling is as shown in figure 3, cooling unit II operation, cooling unit I
It closes, coolant liquid selects higher boiling electronics fluorination liquid or low viscosity cooling oil, specific working mode as follows:
Server 3 submerges scheme and above-mentioned almost the same, the difference lies in that the server 3 and electricity that are immersed in coolant liquid
Gas module transfers heat in surrounding liquid, and coolant liquid absorbs the heat that gives out of server 3, and temperature rises, hot fluid to
Upper movement, cold fluid add to around server 3, realize coolant liquid hot-fluid self-loopa process, the coolant fluid internal difference in temperature
Less than 5 DEG C, on the other hand, it is immersed in the heat that cooling unit II in coolant liquid takes away coolant liquid by cooling water, it is close in heat
Under the action of degree, cold fluid and hot fluid self-loopa process is realized.
Both the above scheme does not guarantee to run simultaneously, between system have mutually restrict limitation, weaken mutual performance and
Reliability.
In carrying out practically test, using 4U, the server 3 of single-machine capacity 600w is immersed in existing structure scheme, with
Core cpu temperature is surveyed as 3 system cooling effect index of immersion server.
Embodiment 1,4U server unit are inserted into from top to bottom in liquid cooling cabinet, and coolant liquid is electronics fluorination liquid, and boiling point is
56 DEG C, coefficient of heat conduction 0.059w/mk, density 1680kg/m3, heat of vaporization 94kJ/kg, CPU frequency 2.4GHz, cooling system
Unite it is stable after, actual measurement CPU temperature be 58~62 DEG C.
Embodiment 2, with above-mentioned 1 Unit Scheme, difference is CPU frequency 3.0GHz, real after cooling system is stable
Surveying cpu temperature is 61~66 DEG C.
Embodiment 3,4U server unit are inserted into from top to bottom in liquid cooling cabinet, and coolant liquid is electronics fluorination liquid, and boiling point is
76 DEG C, coefficient of heat conduction 0.069w/mk, density 1430kg/m3, heat of vaporization 126kJ/kg, CPU frequency 2.4GHz, cooling system
Unite it is stable after, actual measurement CPU temperature be 66~72 DEG C.
Embodiment 4, with above-mentioned 3 Unit Scheme, difference is CPU frequency 3.0GHz, real after cooling system is stable
Surveying cpu temperature is 69~76 DEG C.
Embodiment 5,4U server unit are inserted into from top to bottom in liquid cooling cabinet, and coolant liquid is mineral cooling oil, and boiling point is
128 DEG C, coefficient of heat conduction 0.129w/mk, density 845kg/m3, CPU frequency 2.4GHz, after cooling system is stable,
Surveying cpu temperature is 49~52 DEG C.
Embodiment 6, with above-mentioned 5 Unit Scheme, difference is CPU frequency 3.0GHz, real after cooling system is stable
Surveying cpu temperature is 49~54 DEG C.
Claims (10)
1. a kind of cooling immersion liquid cooling combination unit of server, it is characterised in that: including metal cabinet (1) and the first condenser pipe
Beam (2)；Coolant liquid is loaded in the metal cabinet (1)；The coolant liquid submerges server (3)；The first condensation tube bank
(2) it is located under cooling-liquid level (4), the first condensation tube bank (2) is connected to first cooling water distribution units (201).
2. the cooling immersion liquid cooling combination unit of a kind of server according to claim 1, it is characterised in that: further include position
The support (5) for fixed server in metal cabinet (1) bottom；The support (5) is equipped with card slot (501), adjacent card
Interval is equipped between slot (501).
3. the cooling immersion liquid cooling combination unit of a kind of server according to claim 2, it is characterised in that: the support
It (5) is height-adjustable support.
4. the cooling immersion liquid cooling combination unit of a kind of server according to claim 1, it is characterised in that: the cooling
Liquid includes that boiling point is cooling in 75-170 DEG C of single-phase electronic fluorination liquid or mineral in 34-61 DEG C of phase transformation electronics fluorination liquid and boiling point
Oil.
5. the cooling immersion liquid cooling combination unit of a kind of server according to claim 1, it is characterised in that: further include position
The second condensation tube bank (6) above cooling-liquid level (4), the second condensation tube bank (6) and the second cooling water distribution units
(601) it is connected to.
6. the cooling immersion liquid cooling combination unit of a kind of server according to claim 1, it is characterised in that: further include setting
It is placed in the fan (7) of metal cabinet (1) side, the fan (7) is at the top of metal cabinet (1).
7. the cooling immersion liquid cooling combination unit of a kind of server according to claim 1, it is characterised in that: further include electricity
Gas accessory device (8), external interface device (9) and the external quick coupling of cooling water (10)；The electric fittings device (8) includes
Power supply, power distribution unit, cable and optical fiber, the electric fittings device (8) are arranged in cabinet (1) bottom close to shell
Place；The external interface device (9) and the external quick coupling of cooling water (10) are separately positioned on the lateral surface of cabinet (1).
8. the cooling immersion liquid cooling combination unit of a kind of server according to claim 1, it is characterised in that: the cabinet
It (1) include inner shell and outer shell；Observation window is respectively equipped on the top of the outer shell, leading flank and trailing flank
Body；The inner shell is closing shell.
9. the cooling immersion liquid cooling combination unit of a kind of server according to claim 1, it is characterised in that: described first
The caliber of condensation tube bank (2) and the second condensation tube bank (6) is 5-12mm, and number of rows is 2-3 row, and columns is 10-15 column.
10. the cooling immersion liquid cooling combination unit of a kind of server according to claim 1, it is characterised in that: further include
Equipped with the safety valve (11) on cabinet (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821310428.6U CN209472923U (en) | 2018-08-15 | 2018-08-15 | A kind of cooling immersion liquid cooling combination unit of server |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821310428.6U CN209472923U (en) | 2018-08-15 | 2018-08-15 | A kind of cooling immersion liquid cooling combination unit of server |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108966603A (en) * | 2018-08-15 | 2018-12-07 | 南京佳力图机房环境技术股份有限公司 | A kind of cooling immersion liquid cooling combination unit of server |
| CN111148407A (en) * | 2020-01-08 | 2020-05-12 | 中国船舶重工集团公司第七二四研究所 | Electronic fluorination liquid cooling device based on thermoelectric refrigerating sheet |
| CN112051912A (en) * | 2020-09-30 | 2020-12-08 | 兰洋(宁波)科技有限公司 | Single-phase immersed liquid heat exchange system and heat exchange method |
| CN112188808A (en) * | 2020-10-12 | 2021-01-05 | 大连理工大学 | Two-phase immersed liquid cooling case based on thermoelectric refrigeration |
| CN113093879A (en) * | 2021-04-08 | 2021-07-09 | 大连理工大学 | Blade type server heat dissipation cover plate for two-phase immersion type liquid cooling |
| CN114094473A (en) * | 2020-10-26 | 2022-02-25 | 北京京东尚科信息技术有限公司 | Liquid cooling device |
-
2018
- 2018-08-15 CN CN201821310428.6U patent/CN209472923U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108966603A (en) * | 2018-08-15 | 2018-12-07 | 南京佳力图机房环境技术股份有限公司 | A kind of cooling immersion liquid cooling combination unit of server |
| CN111148407A (en) * | 2020-01-08 | 2020-05-12 | 中国船舶重工集团公司第七二四研究所 | Electronic fluorination liquid cooling device based on thermoelectric refrigerating sheet |
| CN112051912A (en) * | 2020-09-30 | 2020-12-08 | 兰洋(宁波)科技有限公司 | Single-phase immersed liquid heat exchange system and heat exchange method |
| CN112188808A (en) * | 2020-10-12 | 2021-01-05 | 大连理工大学 | Two-phase immersed liquid cooling case based on thermoelectric refrigeration |
| CN114094473A (en) * | 2020-10-26 | 2022-02-25 | 北京京东尚科信息技术有限公司 | Liquid cooling device |
| CN114094473B (en) * | 2020-10-26 | 2024-04-05 | 北京京东尚科信息技术有限公司 | Liquid cooling device |
| CN113093879A (en) * | 2021-04-08 | 2021-07-09 | 大连理工大学 | Blade type server heat dissipation cover plate for two-phase immersion type liquid cooling |
| CN113093879B (en) * | 2021-04-08 | 2023-11-24 | 大连理工大学 | Blade type server heat radiation cover plate for two-phase immersion liquid cooling |
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