CN213991481U - Immersed cooling system for data center cabinet - Google Patents
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- CN213991481U CN213991481U CN202022838204.6U CN202022838204U CN213991481U CN 213991481 U CN213991481 U CN 213991481U CN 202022838204 U CN202022838204 U CN 202022838204U CN 213991481 U CN213991481 U CN 213991481U
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Abstract
The utility model provides an submergence formula data center rack cooling system, including support baffle, wiring mouth, gas pocket baffle, air duct, basin, shower nozzle, shower, fan, coil pipe, water circulating pump, collector, blowoff valve, manometer, first filter, blade formula server, second filter, liquid storage pot, working medium circulating pump, working medium recoverer and heat exchange tank. The utility model discloses with direct contact's mode, through submergence formula boiling heat transfer, reduce the heat transfer number of times, reduce heat transfer thermal resistance, increase heat transfer coefficient, the heat dissipation is even, guarantees the stable safe operation of server.
Description
Technical Field
The utility model relates to a refrigeration plant's technical field, more specifically relates to an submergence formula data center rack cooling system.
Background
The heat dissipation of the chip is the most important part in the server, the safe, reliable and stable operation of the server is the necessary requirement of a data center, the optimal working temperature of the general chip is 60-70 ℃, in recent years, the electronic technology is rapidly developed, the operation speed of electronic devices is accelerated, and integrated circuits are continuously miniaturized, so that the heat flow density of the electronic devices is continuously increased. Statistically, the heat flux density of the current chips exceeds 100W/cm2, which is a trend increasing. According to a 2018 global power report and a guidance suggestion about strengthening green data center construction issued in 2 months 2020, it is clear that the average energy consumption of the data center in China basically reaches the international advanced level in 2022, and the PUE (power utilization efficiency) of a newly-built large-scale data center is less than 1.4. Therefore, energy consumption reduction in the heat dissipation process of the data center and optimization of the cooling technology are important problems to be solved urgently in the future development trend. On the national level, the country has related tasks of energy conservation and emission reduction, and the revolution and breakthrough of the refrigeration technology can help the data center to really reduce the energy consumption. From the operator's perspective, 70% of the cost of data center operations is the cost of electricity charges. The industry can be driven to develop rapidly by the new technology helping to reduce the operation cost.
Conventional air cooling and liquid cooling are often used for data center cooling. The air cooling utilizes the circulating airflow generated by a fan to cool the electronic chip, the air cooling condenser has high temperature and large power consumption, the temperature of the chip is reduced limitedly during the air cooling, and the method is only suitable for the heat dissipation of a common chip with low integration level and low operation speed in order to meet the heat dissipation capacity and solve the problem that the fan noise and the power consumption are increased when the wind speed is increased. Although water cooling can achieve better effect than air cooling as a circulating cooling mode, damage is easy to occur, and if leakage occurs, the water directly contacts the server to cause problems such as burning and the like. And the traditional air-cooling and water-cooling intermediate heat exchange has large thermal resistance, large irreversible loss and uneven heat dissipation, and cannot ensure the continuous, safe and stable operation of the server.
Therefore, the technical scheme that the problem of insufficient water source is urgently needed to be avoided, the cooling effect is good, and the overall efficiency of the system is improved is needed in the prior art.
SUMMERY OF THE UTILITY MODEL
To the deficiencies of the prior art, the utility model provides an submergence formula data center rack cooling system.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
an immersed data center cabinet cooling system comprises a support partition plate, a wiring port, an air hole partition plate, an air guide pipe, a water tank, a spray head, a spray pipe, a fan, a coil pipe, a water circulating pump, a collecting pipe, a blow-down valve, a pressure gauge, a first filter, a blade server, a second filter, a liquid storage tank, a working medium circulating pump, a working medium recoverer and a heat exchange tank, wherein the pressure gauge is arranged on the heat exchange tank; the heat exchange tank is filled with working media, the support partition plate is arranged in the heat exchange tank, a transverse groove is arranged in the support partition plate, the blade server is arranged in the transverse groove, the support partition plate and the blade server are immersed in the working media, the air hole partition plate is arranged in the heat exchange tank and located above the working media, an air hole is formed in the air hole partition plate, the top of the heat exchange tank is connected with the lower end of the air guide pipe, the upper end of the air guide pipe is connected with the front end of the coil pipe, the rear end of the coil pipe is connected with the inlet of the collecting pipe, the outlet of the collecting pipe is connected with the heat exchange tank, the first filter is arranged on the collecting pipe, the water tank is arranged below the coil pipe, the water tank is filled with water, the lower part of the coil pipe is immersed in the water tank, and the spray head is arranged above the coil pipe, the fan is arranged above the spray head, the spray head is connected with one end of the spray pipe, the other end of the spray pipe is connected with an outlet of the water circulating pump, an inlet of the water circulating pump is communicated with the water in the water tank, and the blow-down valve is arranged at the bottom of the water tank; the water tank is arranged above the heat exchange pool.
Control valves are arranged on pipelines between the heat exchange pool and the second filter, between the second filter and the working medium circulating pump, between the second filter and the liquid storage tank and between the liquid storage tank and the working medium recoverer.
Working medium adopts decafluoropentane (C)5H2F10)。
An immersed data center cabinet cooling system comprises a support partition plate, a wiring port, an air hole partition plate, an air guide pipe, a water tank, a spray head, a spray pipe, a fan, a coil pipe, a water circulating pump, a collecting pipe, a blow-down valve, a pressure gauge, a first filter, a blade server, a second filter, a liquid storage tank, a working medium circulating pump, a working medium recoverer and a heat exchange tank, wherein the pressure gauge is arranged on the heat exchange tank; the heat exchange tank is filled with working media, the support partition plate is arranged in the heat exchange tank, a transverse groove is arranged in the support partition plate, the blade server is arranged in the transverse groove, the support partition plate and the blade server are immersed in the working media, the air hole partition plate is arranged in the heat exchange tank and located above the working media, an air hole is formed in the air hole partition plate, the top of the heat exchange tank is connected with the lower end of the air guide pipe, the upper end of the air guide pipe is connected with the front end of the coil pipe, the rear end of the coil pipe is connected with the inlet of the collecting pipe, the outlet of the collecting pipe is connected with the heat exchange tank, the first filter is arranged on the collecting pipe, the water tank is arranged below the coil pipe, the lower portion of the coil pipe is immersed in the water tank, the water tank is filled with water, and the spray head is arranged above the coil pipe, the fan is arranged above the spray head, the spray head is connected with one end of the spray pipe, the other end of the spray pipe is connected with an outlet of the water circulating pump, an inlet of the water circulating pump is communicated with the water in the water tank, and the blow-down valve is arranged at the bottom of the water tank; the water tank is arranged on one side of the heat exchange pool, and a liquid supply pump is arranged on the coil pipe and positioned between the first filter and the heat exchange pool.
Control valves are arranged on pipelines between the heat exchange pool and the second filter, between the second filter and the working medium circulating pump, between the second filter and the liquid storage tank and between the liquid storage tank and the working medium recoverer.
Working medium adopts decafluoropentane (C)5H2F10)。
The utility model discloses compare prior art's beneficial effect is: the blade server is immersed in the working medium, the working medium flows through the coil pipe, and cold water is sprayed on the coil pipe at the same time, so that the heat exchange times are reduced, the heat exchange thermal resistance is reduced, the heat exchange coefficient is increased, the heat dissipation is uniform, and the stable and safe operation of the server is ensured by the immersed boiling heat exchange in a direct contact mode; the gravity type drive or the liquid supply pump drive is adopted, so that the energy consumption is reduced; the fluoridized liquid working medium is used for replacing the conventional refrigerant working medium, so that the refrigerant has good thermal stability, is nontoxic, colorless and tasteless, has high safety and is environment-friendly; in addition, the device has compact structure and saves the occupied area.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Detailed Description
The invention will be further elucidated below on the basis of a specific embodiment.
The first embodiment.
The cooling system of the immersed data center cabinet shown in fig. 1 comprises a support partition plate 1, a wiring port 2, an air hole partition plate 3, an air guide pipe 4, a water tank 5, a spray head 6, a spray pipe, a fan 7, a coil pipe 8, a water circulating pump 9, a collecting pipe 10, a blow-down valve 11, a pressure gauge 12, a first filter 13, a blade server 14, a second filter 15, a liquid storage tank 16, a working medium circulating pump 17, a working medium recoverer 19 and a heat exchange pool 20, wherein the pressure gauge 12 is arranged on the heat exchange pool 20, the wiring port 2 is arranged on the heat exchange pool 20, a wiring of the blade server 14 penetrates through the wiring port, the bottom of the heat exchange pool 20 is connected with an inlet end of the second filter 15, an outlet end of the second filter 15 is respectively connected with the working medium circulating pump 17 and the liquid storage tank 16, and the liquid storage tank 16 is also connected with the working medium recoverer 19; working medium 18 is filled in the heat exchange pool 20, the support partition plate 1 is arranged in the heat exchange pool 20, a transverse groove is arranged in the support partition plate 1, the blade type server 14 is arranged in the transverse groove, the support partition plate 1 and the blade type server 14 are immersed in the working medium 18, the air hole partition plate 3 is arranged in the heat exchange pool 20 and is positioned above the working medium 18, air holes are formed in the air hole partition plate 3, a plurality of air holes are uniformly distributed, the gaseous working medium is uniformly distributed, the situation that gas is concentrated above the blade type server 14 is avoided, the air guide pipe 4 is arranged along the vertical direction, the top of the heat exchange pool 20 is connected with the lower end of the air guide pipe 4, the upper end of the air guide pipe 4 is connected with the front end of the coil pipe 8, the air guide pipe 4 is used for dredging the gas working medium, and the gas working medium is guided into the coil pipe 8. The rear end of a coil pipe 8 is connected with the inlet of a header pipe 10, the outlet of the header pipe 10 is connected with a heat exchange pool 20, a first filter 13 is arranged on the header pipe 10, a water tank 5 is arranged below the coil pipe 8, water is filled in the water tank 5, the lower part of the coil pipe 8 is immersed in the water tank 5, a spray head 6 is arranged above the coil pipe 8, a fan 7 is arranged above the spray head 6, the spray head 6 is connected with one end of a spray pipe, the other end of the spray pipe is connected with the outlet of a water circulating pump 9, the inlet of the water circulating pump 9 is communicated with the water in the water tank 5, and a blow-off valve 11 is arranged at the bottom of the water tank 5; the water tank 5 is disposed above the heat exchange tank 20.
Control valves are arranged on pipelines between the heat exchange pool 20 and the second filter 15, between the second filter 15 and the working medium circulating pump 17, between the second filter 15 and the liquid storage tank 16 and between the liquid storage tank 16 and the working medium recoverer 19.
The control method of the cooling system of the immersed data center cabinet comprises the following steps:
s1, filling working media 18 into the heat exchange pool 20, and simultaneously filling water into the water tank 5;
s2, starting a water circulating pump 9, enabling a spray head 6 to spray cold water to a coil 8, enabling the cold water to flow through the coil 8 and then return to a water tank 5, and finally enter a header 10 and enter a heat exchange tank 20 through a first filter 13;
s3, starting the working medium circulating pump 17, opening control valves between the heat exchange pool 20 and the second filter 15 and between the second filter 15 and the working medium circulating pump 17, and monitoring the real-time pressure in the heat exchange pool 20 through the pressure gauge 12 in the running process;
s4, after the operation is finished, opening a control valve between the second filter 15 and the liquid storage tank 16;
s5, opening a control valve between the liquid storage tank 16 and the working medium recoverer 19, and opening the drain valve 11 to drain the water in the water tank 5.
The blade server 14 radiates heat to raise the temperature of the working medium 18, the high-temperature working medium is gasified, passes through the air holes on the air hole partition plate 5 and then enters the coil pipe 8 through the air guide pipe 4. The water circulating pump 9 is started, so that cold water in the water tank 5 enters the spraying pipe and is sprayed on the coil pipe 8 from the spray head 6 to cool the coil pipe 8, the fan 7 can enhance cooling, the latent heat of vaporization of part of water can take away heat, the temperature of the water is reduced, and the water falls into the water tank 5 to realize the recycling of the water. The working medium 18 in the coil 8 is liquefied after being cooled, enters the collecting pipe 10, is purified by the first filter 13 and then returns to the heat exchange pool 20, and the recycling of the working medium is realized. In this embodiment, the return of working fluid 18 to heat exchange tank 20 is driven by the self-weight of working fluid 18.
Before or after the system runs for a period of time, the working medium circulating pump 17 is started, the working medium 18 is purified by the second filter 15, and control valves between the heat exchange pool 20 and the second filter 15 and between the second filter 15 and the working medium circulating pump 17 are opened, so that the stable running of the system can be ensured. When the system needs to be maintained, the control valve between the second filter 15 and the liquid storage tank 16 is opened, so that the working medium 18 can enter the liquid storage tank 16 for storage; working medium 18 can be stored in working medium recoverer 19 again by opening the control valve between liquid storage tank 16 and working medium recoverer 19. The equipment can be prevented from freezing under the condition of low temperature and the like.
Example two.
The cooling system of the immersed data center cabinet shown in fig. 2 comprises a support partition plate 1, a wiring port 2, an air hole partition plate 3, an air guide pipe 4, a water tank 5, a spray head 6, a spray pipe, a fan 7, a coil pipe 8, a water circulating pump 9, a collecting pipe 10, a blow-down valve 11, a pressure gauge 12, a first filter 13, a blade server 14, a second filter 15, a liquid storage tank 16, a working medium circulating pump 17, a working medium recoverer 19 and a heat exchange pool 20, wherein the pressure gauge 12 is arranged on the heat exchange pool 20, the wiring port 2 is arranged on the heat exchange pool 20, a wiring of the blade server 14 penetrates through the wiring port, the bottom of the heat exchange pool 20 is connected with an inlet end of the second filter 15, an outlet end of the second filter 15 is respectively connected with the working medium circulating pump 17 and the liquid storage tank 16, and the liquid storage tank 16 is also connected with the working medium recoverer 19; working media 18 are filled in the heat exchange pool 20, the support partition plate 1 is arranged in the heat exchange pool 20, a transverse groove is arranged in the support partition plate 1, the blade server 14 is arranged in the transverse groove, the support partition plate 1 and the blade server 14 are immersed in the working media 18, the air hole partition plate 3 is arranged in the heat exchange pool 20 and located above the working media 18, air holes are formed in the air hole partition plate 3 and uniformly distributed for uniformly distributing gaseous working media to avoid gas from being concentrated above the blade server 14, the air guide pipe 4 is arranged in the vertical direction, the top of the heat exchange pool 20 is connected with the lower end of the air guide pipe 4, the upper end of the air guide pipe 4 is connected with the front end of the coil pipe 8, the rear end of the coil pipe 8 is connected with the inlet of the collecting pipe 10, the outlet of the collecting pipe 10 is connected with the heat exchange pool 20, the first filter 13 is arranged on the collecting pipe 10, the water tank 5 is arranged below the coil pipe 8, the lower part of the coil pipe 8 is immersed in water in the water tank 5, the water tank 5 is filled with water, the spray head 6 is arranged above the coil pipe 8, the fan 7 is arranged above the spray head 6, the spray head 6 is connected with one end of the spray pipe, the other end of the spray pipe is connected with the outlet of the water circulating pump 9, the inlet of the water circulating pump 9 is communicated with the water in the water tank 5, and the blow-off valve 11 is arranged at the bottom of the water tank 5; the water tank 5 is provided at one side of the heat exchange tank 20, and a liquid feed pump 21 is provided at a position between the first filter 13 and the heat exchange tank 20 on the coil pipe 8.
Control valves are arranged on pipelines between the heat exchange pool 20 and the second filter 15, between the second filter 15 and the working medium circulating pump 17, between the second filter 15 and the liquid storage tank 16 and between the liquid storage tank 16 and the working medium recoverer 19.
The control method of the cooling system of the immersed data center cabinet comprises the following steps:
s1, filling working media 18 into the heat exchange pool 20, and simultaneously filling water into the water tank 5;
s2, starting a water circulating pump 9, enabling a spray head 6 to spray cold water to a coil 8, enabling the cold water to flow through the coil 8 and then return to a water tank 5, and finally enter a header 10 and enter a heat exchange tank 20 through a first filter 13;
s3, starting the working medium circulating pump 17 and the liquid supply pump 21, opening control valves between the heat exchange pool 20 and the second filter 15 and between the second filter 15 and the working medium circulating pump 17, and monitoring real-time pressure in the heat exchange pool 20 through the pressure gauge 12 in the running process;
s4, after the operation is finished, opening a control valve between the second filter 15 and the liquid storage tank 16;
s5, opening a control valve between the liquid storage tank 16 and the working medium recoverer 19, and opening the drain valve 11 to drain the water in the water tank 5.
In this embodiment, unlike the first embodiment, the working medium 18 is returned to the heat exchange tank 20 and is driven by the liquid supply pump 21.
The utility model discloses in, blade server indicates the server unit of a plurality of cassette of can the plug-in packing in the rack-mounted machine incasement of standard height, is a low-cost server platform who realizes HAHD (High available High Density), designs specially for special application trade and High Density computing environment. Blade servers are like "blades," each "blade" is actually a system motherboard. Working fluid 18 is a low boiling point liquid of high dielectric strength, such as a fluorinated liquid with a boiling point of 40-50 deg.C, and decafluoropentane (C) is used in examples one and two5H2F10). The heat exchange cell 20 is a sealed hollow insulated container.
The above description is only the preferred embodiment of the present invention, but the present invention is not limited to the above-mentioned specific embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (6)
1. An immersed data center cabinet cooling system is characterized by comprising a support partition plate (1), a wiring port (2), an air hole partition plate (3), an air guide pipe (4), a water tank (5), a spray head (6), a spray pipe, a fan (7), a coil pipe (8), a water circulating pump (9), a collecting pipe (10), a blow-down valve (11), a pressure gauge (12), a first filter (13), a blade server (14), a second filter (15), a liquid storage tank (16), a working medium circulating pump (17), a working medium recoverer (19) and a heat exchange pool (20), wherein the pressure gauge (12) is arranged on the heat exchange pool (20), the wiring port (2) is arranged on the heat exchange pool (20), the wiring of the blade server (14) penetrates through the wiring port, the bottom of the heat exchange pool (20) is connected with the inlet end of the second filter (15), the outlet end of the second filter (15) is respectively connected with the working medium circulating pump (17) and the liquid storage tank (16), and the liquid storage tank (16) is also connected with the working medium recoverer (19); the heat exchange pool (20) is filled with working media (18), the support partition plate (1) is arranged in the heat exchange pool (20), a transverse groove is formed in the support partition plate (1), the blade type server (14) is arranged in the transverse groove, the support partition plate (1) and the blade type server (14) are immersed in the working media (18), the air hole partition plate (3) is arranged in the heat exchange pool (20) and located above the working media (18), an air hole is formed in the air hole partition plate (3), the top of the heat exchange pool (20) is connected with the lower end of the air guide pipe (4), the upper end of the air guide pipe (4) is connected with the front end of the coil pipe (8), the rear end of the coil pipe (8) is connected with the inlet of the collecting pipe (10), the outlet of the collecting pipe (10) is connected with the heat exchange pool (20), the first filter (13) is arranged on the header pipe (10), the water tank (5) is arranged below the coil pipe (8), the water tank (5) is filled with water, the lower part of the coil pipe (8) is immersed in the water tank (5), the spray head (6) is arranged above the coil pipe (8), the fan (7) is arranged above the spray head (6), the spray head (6) is connected with one end of the spray pipe, the other end of the spray pipe is connected with an outlet of the water circulating pump (9), an inlet of the water circulating pump (9) is communicated with the water in the water tank (5), and the blow-down valve (11) is arranged at the bottom of the water tank (5); the water tank (5) is arranged above the heat exchange pool (20).
2. The submerged data center cabinet cooling system of claim 1, wherein control valves are disposed on the pipelines between the heat exchange tank (20) and the second filter (15), between the second filter (15) and the working medium circulating pump (17), between the second filter (15) and the liquid storage tank (16), and between the liquid storage tank (16) and the working medium recoverer (19).
3. The submerged data center cabinet cooling system of claim 1, wherein working medium (18) is decafluoropentane (C)5H2F10)。
4. An immersed data center cabinet cooling system is characterized by comprising a support partition plate (1), a wiring port (2), an air hole partition plate (3), an air guide pipe (4), a water tank (5), a spray head (6), a spray pipe, a fan (7), a coil pipe (8), a water circulating pump (9), a collecting pipe (10), a blow-down valve (11), a pressure gauge (12), a first filter (13), a blade server (14), a second filter (15), a liquid storage tank (16), a working medium circulating pump (17), a working medium recoverer (19) and a heat exchange pool (20), wherein the pressure gauge (12) is arranged on the heat exchange pool (20), the wiring port (2) is arranged on the heat exchange pool (20), the wiring of the blade server (14) penetrates through the wiring port, the bottom of the heat exchange pool (20) is connected with the inlet end of the second filter (15), the outlet end of the second filter (15) is respectively connected with the working medium circulating pump (17) and the liquid storage tank (16), and the liquid storage tank (16) is also connected with the working medium recoverer (19); the heat exchange pool (20) is filled with working media (18), the support partition plate (1) is arranged in the heat exchange pool (20), a transverse groove is formed in the support partition plate (1), the blade type server (14) is arranged in the transverse groove, the support partition plate (1) and the blade type server (14) are immersed in the working media (18), the air hole partition plate (3) is arranged in the heat exchange pool (20) and located above the working media (18), an air hole is formed in the air hole partition plate (3), the top of the heat exchange pool (20) is connected with the lower end of the air guide pipe (4), the upper end of the air guide pipe (4) is connected with the front end of the coil pipe (8), the rear end of the coil pipe (8) is connected with the inlet of the collecting pipe (10), the outlet of the collecting pipe (10) is connected with the heat exchange pool (20), the first filter (13) is arranged on the header (10), the water tank (5) is arranged below the coil pipe (8), the lower part of the coil pipe (8) is immersed in water in the water tank (5), the water tank (5) is filled with water, the spray head (6) is arranged above the coil pipe (8), the fan (7) is arranged above the spray head (6), the spray head (6) is connected with one end of the spray pipe, the other end of the spray pipe is connected with an outlet of the water circulating pump (9), an inlet of the water circulating pump (9) is communicated with the water in the water tank (5), and the blow-off valve (11) is arranged at the bottom of the water tank (5); the water tank (5) is arranged on one side of the heat exchange pool (20), and a liquid supply pump (21) is arranged on the coil pipe (8) and is positioned between the first filter (13) and the heat exchange pool (20).
5. The submerged data center cabinet cooling system of claim 4, wherein control valves are arranged on the pipelines between the heat exchange tank (20) and the second filter (15), between the second filter (15) and the working medium circulating pump (17), between the second filter (15) and the liquid storage tank (16), and between the liquid storage tank (16) and the working medium recoverer (19).
6. The submerged data center cabinet cooling system of claim 4, wherein working medium (18) is decafluoropentane (C)5H2F10)。
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022838204.6U CN213991481U (en) | 2020-11-30 | 2020-11-30 | Immersed cooling system for data center cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022838204.6U CN213991481U (en) | 2020-11-30 | 2020-11-30 | Immersed cooling system for data center cabinet |
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| CN213991481U true CN213991481U (en) | 2021-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112654213A (en) * | 2020-11-30 | 2021-04-13 | 天津商业大学 | Immersed data center cabinet cooling system and control method thereof |
| CN114307225A (en) * | 2021-12-30 | 2022-04-12 | 苏州赢众环保有限公司 | Steam condensation method |
-
2020
- 2020-11-30 CN CN202022838204.6U patent/CN213991481U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112654213A (en) * | 2020-11-30 | 2021-04-13 | 天津商业大学 | Immersed data center cabinet cooling system and control method thereof |
| CN112654213B (en) * | 2020-11-30 | 2024-07-05 | 天津商业大学 | Cooling system of immersed type data center cabinet and control method thereof |
| CN114307225A (en) * | 2021-12-30 | 2022-04-12 | 苏州赢众环保有限公司 | Steam condensation method |
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