CN109769376A - A liquid cooling system based on evaporative cooling technology - Google Patents
A liquid cooling system based on evaporative cooling technology Download PDFInfo
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- CN109769376A CN109769376A CN201910110329.6A CN201910110329A CN109769376A CN 109769376 A CN109769376 A CN 109769376A CN 201910110329 A CN201910110329 A CN 201910110329A CN 109769376 A CN109769376 A CN 109769376A
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Abstract
本发明公开的一种基于蒸发冷却技术的液冷冷却系统，包括有置于机房内部的液冷服务器单元、板式换热器和蒸发冷却冷水机组，液冷服务器单元的两侧分别连接二次水系统供水管和二次水系统回水管的一端，二次水系统供水管和二次水系统回水管的另一端均连接板式换热器，且二次水系统供水管上设置有二次水系统水泵。本发明液冷冷却系统采用间接冷板式液冷服务器，间接冷板贴附在服务器芯片上方，通过间接冷板内的水流动将芯片发出的热量带走，冷却效率高且易被市场所接受；蒸发冷却冷水机组采用间接—直接蒸发冷却的方式，能制取低于环境湿球温度的冷水，广泛适用于带有液冷服务器的数据中心。
The invention discloses a liquid cooling system based on evaporative cooling technology, which includes a liquid cooling server unit, a plate heat exchanger and an evaporative cooling chiller placed inside the machine room. The two sides of the liquid cooling server unit are respectively connected with secondary water. One end of the system water supply pipe and the secondary water system return pipe, the other ends of the secondary water system water supply pipe and the secondary water system return pipe are connected to the plate heat exchanger, and the secondary water system water supply pipe is provided with a secondary water system water pump. The liquid cooling system of the present invention adopts an indirect cold plate type liquid cooling server, the indirect cold plate is attached to the top of the server chip, and the heat emitted by the chip is taken away by the water flow in the indirect cold plate, and the cooling efficiency is high and is easily accepted by the market; The evaporative cooling chiller adopts the indirect-direct evaporative cooling method, which can produce cold water below the ambient wet bulb temperature, and is widely used in data centers with liquid-cooled servers.
Description
Technical field
The invention belongs to technical field of air conditioner refrigeration, and in particular to a kind of liquid cooling cooling system based on evaporation cooling technique
System.
Background technique
In recent years, domestic Informatization Development reached its maturity, and data center's industry quickly emerges.Along with supercomputing
The development of machine, the integrated level and calculating speed of chip are continuously improved, and energy consumption is also continuously increased, and heat dissipation problem highlights increasingly.Due to
The main type of cooling is air-cooled at present, and traditional wind-cooling heat dissipating mode is direct heat-removing way, by the convection current of monophasic fluid
Heat-exchange method and air blast cooling method are only used for heat flow density no more than 10W/cm2Electronic device, it is big for heat flow density
In 10W/cm2Just seem helpless.What conventional data centers design was pursued is performance, and New Generation of IDC is in current energy
The necessarily energy efficiency (PUE) that source is in short supply, energy cost is pursued in the case where rapidly increasing, i.e. data center's using energy source
Rate.Thus data center's industry expedites the emergence of out the higher liquid cooled server of heat exchange efficiency, and liquid cooled server will become in Future Data
The inexorable trend of heart development.
Evaporation cooling technique is a novel cooling technology using the dry air energy renewable sources of energy, at present in data center
It is used widely, the arrival in liquid cooling epoch can also bring bigger opportunity to evaporation cooling technique.Evaporate cooling water cooler
For liquid cooled server can provide the cold water lower than ambient wet bulb, abandoned in structure conventional compression formula water cooler compressor and
Complicated refrigeration cycle, and energy-consuming parts only have water Pumps & Fans.The cooling mode in conjunction with liquid cooled server of evaporation can be high
Effect ground is that data center cools down, and saves air-conditioning system operating cost.Therefore, those skilled in the art provide one kind and are based on
The liquid cooling cooling system of evaporation cooling technique.
Summary of the invention
The purpose of the present invention is to provide a kind of liquid cooling cooling system based on evaporation cooling technique solves tight in the energy
The low problem of data center's energy utilization rate in the case that scarce, energy cost rapidly increases.
The technical scheme adopted by the invention is that: a kind of liquid cooling cooling system based on evaporation cooling technique, includes to set
The cooling water cooler of liquid cooled server unit, plate heat exchanger and evaporation inside computer room, the two sides of liquid cooled server unit
It is separately connected one end of secondary water system water supply pipe and secondary water system return pipe, secondary water system water supply pipe and secondary water system
The other end of return pipe is all connected with plate heat exchanger, and secondary water system water pump is provided on secondary water system water supply pipe, board-like
Heat exchanger passes through a water system water supplying pipe respectively and cooling water cooler is evaporated in a water system return pipe access, and primary
Once water system water pump is set on water system return pipe.
The features of the present invention also characterized in that
Liquid cooled server unit includes indirect cold plate water inlet pipe, indirect cold plate and indirect cold plate outlet pipe, indirect cold plate patch
It invests above server chips, the side of indirect cold plate is provided with indirect cold plate water inlet pipe, and the other side is set as indirect cold plate and goes out
Water pipe, indirect cold plate water inlet pipe and indirect cold plate outlet pipe are separately connected secondary water system water supply pipe and secondary water system return
Pipe.
The computer room inner top setting closing passage of heat, and close the passage of heat and be placed in computer room by the connection of precision air conditioner return air inlet
Precision air conditioner, be provided with precision air conditioner cooler in precision air conditioner.
Evaporating cooling water cooler is bilateral symmetry, including machine unit shell, in machine unit shell the left and right sides by outside to
In be disposed with First air air inlet, Secondary Air air inlet, air filter, freely cold surface air cooler, indirect evaporation cooler
With the cooling water cooler cooling tower of evaporation, the middle part that machine unit shell is arranged in cooling water cooler cooling tower is evaporated, evaporation cools down
Lower part in water cooler cooling tower is provided with direct evaporating-cooling filler, and spray row is provided with above direct evaporating-cooling filler,
The top of spray row is provided with water fender, and sprays row's water system return pipe of connection, evaporates the upper of cooling water cooler cooling tower
Portion is provided with air-exhausting duct, is set as evaporating cooling water cooler tower section exhaust outlet at the top of air-exhausting duct, and be arranged in air-exhausting duct
There is exhaust blower.
The cold surface air cooler of freedom evaporated in cooling water cooler passes through freely cold liquid supply pipe and free cold liquid back pipe and precision
Air-conditioning cooler is connected, and is provided with free cooling system water pump on freely cold liquid supply pipe.
Precision air conditioner air outlet is offered on precision air conditioner left side wall, it is corresponding with precision air conditioner air outlet in precision air conditioner
Position is provided with precision air conditioner breeze fan.
Indirect evaporation cooler Secondary Air exhaust outlet is provided at the top of indirect evaporation cooler.
First air air inlet and Secondary Air air inlet are arranged at the end of machine unit shell, and First air air inlet is located at two
The upside of secondary wind air inlet.
The beneficial effect of liquid cooling cooling system of the present invention is:
1, liquid cooling cooling system of the present invention uses indirect cooling plate type liquid cooled server, and indirect cold plate is attached to server chips
The heat that chip issues is taken away by the water flowing in indirect cold plate in top, and cooling efficiency is high and is easily received by market.
2, cooling water cooler is evaporated in liquid cooling cooling system of the present invention by the way of indirectly-direct evaporating-cooling, energy
The cold water lower than ambient wet bulb temperature is produced, the data center with liquid cooled server is widely used in.
3, liquid cooling cooling system grey water system of the present invention is divided into two parts, and the water system self-loopa of computer room side avoids loop stifled
Plug, cooling medium is water, at low cost and not can cause environmental pollution.
4, the heat dissipation of winter computer room is converted to the air-cooled mode of tradition in liquid cooling cooling system of the present invention, evaporates cooling water cooler
Ethylene glycol freely cold mode is opened, solves the problems, such as that winter water system is antifreeze.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the liquid cooling cooling system based on evaporation cooling technique of the present invention；
Fig. 2 is indirectly cold in liquid cooled server unit in a kind of liquid cooling cooling system based on evaporation cooling technique of the present invention
The structural schematic diagram of plate；
Fig. 3 is the structure that cooling water cooler is evaporated in a kind of liquid cooling cooling system based on evaporation cooling technique of the present invention
Schematic diagram.
In figure: 1. evaporate cooling water cooler；2. a water system water supplying pipe；3. a water system return pipe；4. primary
Water system water pump；5. plate heat exchanger；6. secondary water system water supply pipe；7. secondary water system water pump；8. secondary water system return
Pipe；9. precision air conditioner breeze fan；10. freely cold liquid back pipe；11. freely cold liquid supply pipe；12. free cooling system water pump；13. essence
Close air-conditioning cooler；14. precision air conditioner return air inlet；15. closing the passage of heat；16. liquid cooled server unit；17. indirect cold plate into
Water pipe；18. indirect cold plate；19. indirect cold plate outlet pipe；20. server chips；21. indirect evaporation cooler；22. air mistake
Filter；23. Secondary Air air inlet；24. First air air inlet；25. freely cold surface air cooler；26. indirect evaporation cooler Secondary Air
Exhaust outlet；27. direct evaporating-cooling filler；28. spray row；29. evaporating cooling water cooler tower section exhaust outlet；30. water fender.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in detail.
The present invention provides a kind of liquid cooling cooling system based on evaporation cooling technique, as shown in Figure 1, including to be placed in machine
Liquid cooled server unit 16 inside room, as shown in Fig. 2, liquid cooled server unit 16 include indirect cold plate water inlet pipe 17, indirectly
Cold plate 18 and indirect cold plate outlet pipe 19, indirect cold plate 18 are attached at 20 top of server chips, and the side of indirect cold plate 18 is set
It is equipped with indirect cold plate water inlet pipe 17, the other side is set as indirect cold plate outlet pipe 19, indirect cold plate water inlet pipe 17 and indirect cold plate
Outlet pipe 19 is separately connected secondary water system water supply pipe 6 and secondary water system return pipe 8, and indirect cold plate 18 is copper cold plate,
The lower end that cold plate water inlet pipe 17 accesses indirect cold plate 18 is connect, indirect cold plate outlet pipe 19 accesses the upper end of indirect cold plate 18；
Secondary water system water supply pipe 6 and secondary water system return pipe 8 are all connected with plate heat exchanger 5, and secondary water system supplies
Secondary water system water pump 7 is provided on water pipe 6；
The computer room inner top setting closing passage of heat 15, and seal closed walk 15 and be placed in by the connection of precision air conditioner return air inlet 14
Precision air conditioner in computer room is provided with precision air conditioner cooler 13 in precision air conditioner, and left side wall offers precision in precision air conditioner
Air-conditioner air outlet, precision air conditioner is interior to be provided with precision air conditioner breeze fan 9 with precision air conditioner air outlet corresponding position；
Plate heat exchanger 5 evaporates cooling cooling-water machine by a water system water supplying pipe 2 and an access of water system return pipe 3
Group 1, and once water system water pump 4 is set on a water system return pipe 3；
As shown in figure 3, evaporating cooling water cooler 1 is bilateral symmetry, including machine unit shell, left and right in machine unit shell
Two sides are disposed with First air air inlet 24, Secondary Air air inlet 23, air filter 22, freely cold surface air cooler from outside to inside
25, indirect evaporation cooler 21 and the cooling water cooler cooling tower of evaporation, First air air inlet 24 and Secondary Air air inlet 23 are equal
The end of machine unit shell is set, and First air air inlet 24 is located in the upside of Secondary Air air inlet 23, indirect evaporating-cooling
The top of device 21 is provided with indirect evaporation cooler Secondary Air exhaust outlet 26, evaporates cooling water cooler cooling tower and is arranged in unit
The middle part of shell, the lower part evaporated in cooling water cooler cooling tower are provided with direct evaporating-cooling filler 27, directly evaporate cold
But it is provided with spray row 28 above filler 27, several water injectors are installed on spray row 28, the top of spray row 28 is provided with water blocking
Plate 30, and a 28 water system return pipe 3 of connection of row is sprayed, the top for evaporating cooling water cooler cooling tower is provided with air-exhausting duct,
It is set as evaporating cooling water cooler tower section exhaust outlet 29 at the top of air-exhausting duct, and is provided with exhaust blower in air-exhausting duct；
The cold surface air cooler 25 of freedom evaporated in cooling water cooler 1 passes through freely cold liquid supply pipe 11 and freely cold liquid back pipe 10
It is connected with precision air conditioner cooler 13, and is provided with free cooling system water pump 12 on freely cold liquid supply pipe 11, freely cold table is cold
Coolant liquid in device 25 is ethylene glycol solution.
The operational mode of liquid cooling cooling system of the present invention is divided into liquid cooling mode and freely cold two kinds of mode, specific as follows:
Liquid cooling mode:
In spring and summer autumn, when outdoor temperature is more than zero degree, cooling water cooler will be evaporated by opening a water system water pump 4
The return water that 1 cold water produced is pumped into the liquid cooled server unit 16 in plate heat exchanger 5 and secondary water system exchanges heat, and reduces secondary
The temperature of water in water system；Later, in a water system the raised return water of temperature through a water system water supplying pipe 2 return to evaporation it is cold
But cool down in water cooler 1.
Secondary water system water pump 7 is opened, and the secondary water after cooling is delivered to liquid cooling by secondary water system water supply pipe 6
In server unit 16, cold water is sent into inside indirect cold plate 18 by indirect cold plate water inlet pipe 17 by low side, absorbs server core
After the heat of piece 20, water flows into indirect cold plate outlet pipe 19 by upper end, returns secondary water system return pipe 8, so recycles.
Wherein, the course of work for evaporating cooling water cooler 1 is as follows:
Outdoor fresh air enters in machine unit shell by First air air inlet 24 and Secondary Air air inlet 23, between First air passes through
Connect the clammy high-temperature water for being but introduced into 27 inside of direct evaporating-cooling filler afterwards and spraying with spray row 28 such as devaporizer 21
Hot and humid area is carried out, wind is humidified to be discharged unit through exhaust outlet 29, and water is cooled and falls into unit bottom and enter a water system
It unites in water supplying pipe 2.
Free cold mode:
In winter, when outdoor temperature is in subzero, the free cooling system water pump 12 of unlatching, ethylene glycol solution is evaporated cooling
Ethylene glycol solution is imported into precision air conditioner cooling by freely cold liquid supply pipe 11 after the cold cooling of surface air cooler 25 of freedom in water cooler 1
The heat of computer room return air is absorbed in device 13, after returned in freely cold surface air cooler 25 through freely cold liquid back pipe 10.
Precision air conditioner breeze fan 9 is opened in computer room, the return air in the computer room closing passage of heat 15 is admitted in precision air conditioner
Portion is cooled down, and the calorific value of cooled return air diffused be sent into computer room and absorb server, the raised wind of temperature enters back into
The passage of heat 15 is closed, is so recycled.
At this point, only opening the exhaust blower for evaporating cooling water cooler cooling tower, will come inside outdoor fresh air introducing unit cold
The ethylene glycol solution in free cold surface air cooler 25.
Claims (8)
1. a kind of liquid cooling cooling system based on evaporation cooling technique, which is characterized in that include the liquid cooling being placed in inside computer room
Server unit (16), plate heat exchanger (5) and the cooling water cooler of evaporation, the two sides point of the liquid cooled server unit (16)
Not Lian Jie secondary water system water supply pipe (6) and secondary water system return pipe (8) one end, the secondary water system water supply pipe (6)
It is all connected with plate heat exchanger (5) with the other end of secondary water system return pipe (8), and the secondary water system water supply pipe (6)
On be provided with secondary water system water pump (7), the plate heat exchanger (5) is respectively by a water system water supplying pipe (2) and once
Cooling water cooler (1) is evaporated in water system return pipe (3) access, and once water is arranged on a water system return pipe (3)
System water pump (4).
2. a kind of liquid cooling cooling system based on evaporation cooling technique as described in claim 1, which is characterized in that the liquid cooling
Server unit (16) includes indirect cold plate water inlet pipe (17), indirect cold plate (18) and indirect cold plate outlet pipe (19), between described
It connects cold plate (18) to be attached above server chips (20), the side of the indirect cold plate (18) is provided with indirect cold plate water inlet pipe
(17), the other side is set as indirect cold plate outlet pipe (19), the indirect cold plate water inlet pipe (17) and indirect cold plate outlet pipe
(19) secondary water system water supply pipe (6) and secondary water system return pipe (8) are separately connected.
3. a kind of liquid cooling cooling system based on evaporation cooling technique as described in claim 1, which is characterized in that the computer room
The inner top setting closing passage of heat (15), and close the passage of heat (15) and be placed in computer room by precision air conditioner return air inlet (14) connection
Precision air conditioner, be provided with precision air conditioner cooler (13) in precision air conditioner.
4. a kind of liquid cooling cooling system based on evaporation cooling technique as described in claim 1, which is characterized in that the steaming
But water cooler (1) of feeling cold is bilateral symmetry, including machine unit shell, in the machine unit shell left and right sides from outside to inside according to
It is secondary be provided with First air air inlet (24), Secondary Air air inlet (23), air filter (22), freely cold surface air cooler (25),
It connects devaporizer (21) and evaporates cooling water cooler cooling tower, the cooling water cooler cooling tower of the evaporation is arranged in machine
The middle part of group shell, the lower part evaporated in cooling water cooler cooling tower are provided with direct evaporating-cooling filler (27), institute
It states and is provided with spray row (28) above direct evaporating-cooling filler (27), be provided with water fender (30) above the spray row (28),
And spray row (28) connects a water system return pipe (3), the top for evaporating cooling water cooler cooling tower is provided with air-exhausting duct, institute
It states and is set as evaporating cooling water cooler tower section exhaust outlet (29) at the top of air-exhausting duct, and be provided with exhaust blower in air-exhausting duct.
5. a kind of liquid cooling cooling system based on evaporation cooling technique as described in claim 3 or 4, which is characterized in that described
The cold surface air cooler of freedom (25) evaporated in cooling water cooler (1) passes through freely cold liquid supply pipe (11) and free cold liquid back pipe (10)
It is connected with precision air conditioner cooler (13), and is provided with free cooling system water pump (12) on freely cold liquid supply pipe (11).
6. a kind of liquid cooling cooling system based on evaporation cooling technique as claimed in claim 3, which is characterized in that the precision
Precision air conditioner air outlet is offered on air-conditioning left side wall, and precision air conditioner air outlet corresponding position is provided with essence in precision air conditioner
Close air-conditioning blower (9).
7. a kind of liquid cooling cooling system based on evaporation cooling technique as claimed in claim 4, which is characterized in that described indirect
Indirect evaporation cooler Secondary Air exhaust outlet (26) is provided at the top of devaporizer (21).
8. a kind of liquid cooling cooling system based on evaporation cooling technique as claimed in claim 4, which is characterized in that described primary
Wind air inlet (24) and Secondary Air air inlet (23) are arranged at the end of machine unit shell, and First air air inlet (24) is located at two
The upside of secondary wind air inlet (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110329.6A CN109769376B (en) | 2019-02-11 | 2019-02-11 | Liquid cooling system based on evaporative cooling technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110329.6A CN109769376B (en) | 2019-02-11 | 2019-02-11 | Liquid cooling system based on evaporative cooling technology |
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| CN109769376A true CN109769376A (en) | 2019-05-17 |
| CN109769376B CN109769376B (en) | 2021-03-02 |
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Cited By (7)
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| CN110191619A (en) * | 2019-05-31 | 2019-08-30 | 西安工程大学 | Modular Supply Air Conditioning System for Indirect Evaporative Free Cooling in Data Centers |
| CN111295085A (en) * | 2020-03-25 | 2020-06-16 | 西安工程大学 | Evaporative cooling air-conditioning system for data center based on air cooling and water cooling combined unit |
| CN111465276A (en) * | 2020-04-24 | 2020-07-28 | 苏州浪潮智能科技有限公司 | Data center cooling system capable of cooling in grading mode |
| CN111947262A (en) * | 2020-08-31 | 2020-11-17 | 西安工程大学 | Air conditioning system for data center based on combination of liquid cooling and evaporative cooling technology |
| CN113864932A (en) * | 2021-11-05 | 2021-12-31 | 深圳市英维克科技股份有限公司 | Air conditioning cooling system |
| CN114269127A (en) * | 2021-12-30 | 2022-04-01 | 中通服咨询设计研究院有限公司 | Multi-stage cooling system of data center based on natural cooling of cooling tower |
| CN116294284A (en) * | 2023-03-06 | 2023-06-23 | 珠海格力电器股份有限公司 | Composite refrigeration system, control method and air conditioner |
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| CN111947262A (en) * | 2020-08-31 | 2020-11-17 | 西安工程大学 | Air conditioning system for data center based on combination of liquid cooling and evaporative cooling technology |
| CN113864932A (en) * | 2021-11-05 | 2021-12-31 | 深圳市英维克科技股份有限公司 | Air conditioning cooling system |
| CN114269127A (en) * | 2021-12-30 | 2022-04-01 | 中通服咨询设计研究院有限公司 | Multi-stage cooling system of data center based on natural cooling of cooling tower |
| CN116294284A (en) * | 2023-03-06 | 2023-06-23 | 珠海格力电器股份有限公司 | Composite refrigeration system, control method and air conditioner |
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