CN112236022A - Energy-saving heat dissipation system for data center and implementation method - Google Patents
Energy-saving heat dissipation system for data center and implementation method Download PDFInfo
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- CN112236022A CN112236022A CN202011240559.3A CN202011240559A CN112236022A CN 112236022 A CN112236022 A CN 112236022A CN 202011240559 A CN202011240559 A CN 202011240559A CN 112236022 A CN112236022 A CN 112236022A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000005057 refrigeration Methods 0.000 claims abstract description 7
- 239000013589 supplement Substances 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
- H05K7/20827—Liquid cooling with phase change within rooms for removing heat from cabinets, e.g. air conditioning devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses an energy-saving heat dissipation system for a data center and an implementation method thereof, wherein the energy-saving heat dissipation system comprises a cabinet, a cooling plate and a plurality of servers are arranged in the cabinet, and a first heat dissipation cold source group and a second heat dissipation cold source group are connected to the outside of the cabinet; the first heat dissipation cold source group comprises a closed cooling tower, an intermediate heat exchanger and a connecting pipeline; the closed cooling tower is connected with the intermediate heat exchanger through a connecting pipeline and then is connected into the cabinet; the intermediate heat exchanger is connected with a connecting pipeline of the server in the cabinet and the cooling plate and carries out indirect heat exchange; the second heat dissipation cold source set comprises a multi-cold source set, a first evaporator and a water storage tank; the multi-cold-source unit is connected with the first evaporator and the water tank through the connecting pipeline and then is connected into the cabinet, the multi-cold-source unit performs refrigeration, and the temperature of a cooling plate in the cabinet is reduced through heat exchange of the first evaporator; the invention can achieve the purposes of saving energy, reducing consumption and improving the system safety in the data center by using the double-cold-source liquid cooling, intermediate cooling technology and natural cold source technology.
Description
Technical Field
The invention relates to an energy-saving heat dissipation system for a data center and an implementation method, and belongs to the technical field of heat dissipation of the data center.
Background
With the development of information technology, the heat dissipation capacity of the server and the heat dissipation density of the machine room are increased, and a part of the heat dissipation mode of the precise air conditioner depends on electric power and is gradually replaced by a novel refrigeration mode. With the rapid development of mobile data, cloud computing and big data services, the construction scale of a data center is larger and larger, the density of a single cabinet is increased, the heat productivity of a server equipment chip is also increased, the traditional air cooling mode has large power consumption and cannot meet the heat dissipation requirement of IT equipment, and the energy-saving appeal of the data center is gradually highlighted.
Disclosure of Invention
In view of the above technical problems, the present invention aims to: the energy-saving heat dissipation system for the data center and the implementation method are provided, aiming at a novel high-density data center and an ultra-computation center, a multi-cold-source cold plate server is adopted, high-density arrangement can be realized, safety and reliability are realized, a natural cold source is utilized to the maximum extent, and the energy-saving heat dissipation system is green and energy-saving.
The technical solution of the invention is realized as follows: an energy-saving heat dissipation system for a data center comprises a cabinet, wherein a cooling plate and a plurality of servers are arranged in the cabinet, and the cabinet is connected to a first heat dissipation cold source group and a second heat dissipation cold source group;
the first heat dissipation cold source group comprises a closed cooling tower, an intermediate heat exchanger and a connecting pipeline; the closed cooling tower is connected with the intermediate heat exchanger through a connecting pipeline and then is connected into the cabinet; the intermediate heat exchanger is connected with a connecting pipeline of a server in the cabinet and the cooling plate, and the intermediate heat exchanger indirectly exchanges heat with the connecting pipeline and the cooling plate;
the second heat dissipation cold source set comprises a multi-cold source set, a first evaporator and a water storage tank;
the multi-cold-source unit is connected with the first evaporator and the water tank through the connecting pipeline and then is connected into the cabinet, the multi-cold-source unit performs refrigeration, and the temperature of a cooling plate in the cabinet is reduced through heat exchange of the first evaporator; the water storage tank stores cold and provides a cold source for the server to dissipate heat and reduce temperature.
Preferably, a medium pump is arranged between the intermediate heat exchanger and each server, and each server radiates heat through the medium pump.
Preferably, the second heat dissipation cold source group is further connected with a cold supplement system; the cold compensation system comprises a chilled water air conditioner, a second evaporator and a connecting pipeline; the chilled water air conditioner is connected with the second evaporator through a connecting pipeline and then is respectively connected with the first evaporator and the multi-cold-source unit through the second evaporator; the chilled water air conditioner is used for supplementing cold energy for the first evaporator and the multi-cold-source unit.
Preferably, the multi-cold-source unit comprises a compressor, an air-cooled condenser, a plate-type condenser and a fan; the air-cooled condenser introduces air to cool a gaseous refrigerant in the air-cooled condenser under the action of a fan; the plate condenser is connected with the closed cooling tower through a connecting pipeline and is cooled by the closed cooling tower.
Preferably, a temperature control device is further arranged in the cabinet; each server is provided with a temperature acquisition device on a water inlet connecting pipeline and a water return connecting pipeline; each temperature acquisition device is connected to a temperature control device; the temperature acquisition device monitors the water inlet temperature and the water return temperature of the server and then sends the water inlet temperature and the water return temperature to the temperature control device; the temperature control device controls the water inlet temperature and the water return temperature of the first heat dissipation cold source group entering the server.
Preferably, the temperature control device controls the evaporation temperature of the first evaporator and the water inlet temperature and the water return temperature of the first evaporator entering the server.
When the outdoor temperature is higher than 35 ℃, a first heat dissipation cold source group is started, cold source condensation cooling needs to be provided for a cooling plate in a server and a plate type condenser in a multi-cold source unit, at the moment, a cold compensation system is started, and a chilled water air conditioner respectively performs cold compensation on a first evaporator and the multi-cold source unit through a second evaporator;
when the outdoor temperature is less than 35 ℃, the first heat dissipation cold source set is started to provide a cold source for the cooling plate in the server, the cooling plate of the server meets the cold requirement of the cooling plate through heat exchange of the intermediate heat exchanger, the cold supplementing system is closed at the moment, and the multi-cold source set exchanges heat through the air-cooled condenser.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the energy-saving heat dissipation system for the data center and the implementation method, the purposes of saving energy, reducing consumption and improving system safety can be achieved in the data center by using the double-cold-source liquid cooling, intermediate cooling technology and natural cold source technology.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1 is a schematic structural diagram of an energy-saving heat dissipation system for a data center according to the present invention;
FIG. 2 is a schematic diagram of a multi-cold-source unit of the energy-saving heat dissipation system for a data center according to the present invention;
wherein: 1. a cabinet; 2. a server; 3. a first heat dissipation cold source set; 4. a second heat dissipation cold source set; 5. a closed cooling tower; 6. an intermediate heat exchanger; 7. connecting a pipeline; 8. a cooling plate; 9. a medium pump; 10. a multi-cold source unit; 11. a first evaporator; 12. a water storage tank; 13. a cold supplement system; 14. freezing water air conditioning; 15. a second evaporator; 16. a compressor; 17. an air-cooled condenser; 18. a plate condenser; 19. a fan.
Detailed Description
The invention is described below with reference to the accompanying drawings.
Example one
Fig. 1 shows an energy-saving heat dissipation system for a data center, which includes a cabinet 1, a cooling plate 8 and a plurality of servers 2 are disposed in the cabinet 1, and the cabinet 1 is connected to a first heat dissipation cold source group 3 and a second heat dissipation cold source group 4;
the first heat dissipation cold source group 3 comprises a closed cooling tower 5, an intermediate heat exchanger 6 and a connecting pipeline 7;
the closed cooling tower 5 is connected with the intermediate heat exchanger 6 through a connecting pipeline 7 and then is connected into the cabinet 1; the intermediate heat exchanger 6 is connected with a connecting pipeline 7 and a cooling plate 8 of the server 2 in the cabinet 1, and the intermediate heat exchanger 6 indirectly exchanges heat with the connecting pipeline 7 and the cooling plate 8; a medium pump 9 is arranged between the intermediate heat exchanger 6 and each server 2, and each server 2 is respectively radiated by the medium pump 9;
the second heat dissipation cold source set 4 comprises a multi-cold source set 10, a first evaporator 11 and a water storage tank 12;
the multi-cold-source unit 10 is connected with the first evaporator 11 and the water storage tank 12 through the connecting pipeline 7 and then is connected into the cabinet, the multi-cold-source unit 10 performs refrigeration, and the temperature of the cooling plate 8 in the cabinet 1 is reduced through heat exchange of the first evaporator 11; the water storage tank 12 stores cold and provides a cold source for the server 2 to dissipate heat and reduce temperature;
the second heat dissipation cold source set 4 comprises a multi-cold source set 10, a first evaporator 11 and a water storage tank 12; the multi-cold-source unit 10 is connected with the first evaporator 11 and the water storage tank 12 through the connecting pipeline 7 and then is connected into the cabinet 1, the multi-cold-source unit 10 performs refrigeration, the temperature of the cooling plate 8 in the cabinet 1 is reduced through heat exchange of the first evaporator 11, cold is stored through the water storage tank 12, and a cold source is provided for the server 2 to perform heat dissipation and cooling; the second heat dissipation cold source group 4 is also connected with a cold supplement system 13; the cold supplementing system 13 comprises a chilled water air conditioner 14, a second evaporator 15 and a connecting pipeline 7; the chilled water air conditioner 14 is connected with the second evaporator 15 through the connecting pipeline 7, and then is respectively connected with the first evaporator 11 and the multi-cold-source unit 10 through the second evaporator 15 to supplement cold for the first evaporator 11 and the multi-cold-source unit 10; the heat of the CPU and the memory of the server is cooled by the cooling plate 8, and the heat of other servers 2 is cooled by the chilled water air conditioner 14.
The multi-cold-source unit 10 comprises a compressor 16, an air-cooled condenser 17, a plate-type condenser 18 and a fan 19; the air-cooled condenser 17 cools the gaseous refrigerant in the condenser of the unit through outdoor air under the action of the fan 19, and the cooling is dry-wet cooling; the plate condenser 18 is connected with the closed cooling tower 5 through a pipeline, and the plate condenser 18 is cooled through the closed cooling tower 5; when the outdoor temperature of the multi-cold-source unit 10 exceeds 35 ℃, and the air-cooled condenser 17 cannot meet the refrigeration requirement or the air-cooled condenser 17 fails to be maintained, the heat exchange is carried out by adopting a side plate type condenser 18 of the closed cooling tower 5; when the outdoor temperature is lower than 35 ℃, and the air-cooled condenser 17 meets the heat exchange requirement, the air-cooled condenser 17 is adopted for heat exchange; the heat exchange reliability of the server 2 is ensured by adopting a heat exchange mode that the air-cooled condenser 17 and the plate-type condenser 18 are mutually backup.
Example two
The implementation method of the energy-saving heat dissipation system for the data center comprises the following steps that servers are double cold source servers, wherein one cold source is from a closed cooling tower, is led to a cooling plate of a server in a cabinet through an intermediate heat exchanger for indirect heat exchange, and then enters each server through a medium pump for heat dissipation, the temperature of inlet water of the server is 40 ℃, and the temperature of return water of the server is 50 ℃; the other path of the cold source system is used for refrigerating by a multi-cold source unit, the temperature of a cooling plate is reduced through heat exchange of a first evaporator, cold is stored through a water storage tank, and a secondary cold source is provided for the server, wherein the evaporation temperature of the first evaporator is designed to be 20 ℃, the temperature of inlet water of the server corresponding to the secondary cold source is 40 ℃, and the temperature of return water is 50 ℃; the circulating water temperature of the chilled water air conditioner is reduced through heat exchange of the second evaporator, and a cold source is provided for the chilled water air conditioner, wherein the evaporation temperature of the first evaporator is designed to be 15 ℃, the inlet water temperature of the corresponding chilled water air conditioner is 15 ℃, and the return water temperature is 20 ℃.
When the outdoor temperature is higher than 35 ℃, the closed cooling tower not only condenses and cools the multi-cold-source unit through the connected plate type condenser, but also needs to provide a cold source for the cold detecting plate at one end of the server, so that the refrigerating effect is insufficient, the multi-cold-source unit can simultaneously start the air-cooled condenser for heat exchange and the plate type condenser for heat exchange, the cooling plate at one end of the server can perform cold energy supplement through heat exchange between the intermediate heat exchanger and the first evaporator and the second evaporator, and the reliability of primary cooling is ensured; by using double-cold-source liquid cooling, intermediate cooling technology and natural cold source technology, the purposes of saving energy, reducing consumption and improving system safety can be achieved in the data center.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (7)
1. The utility model provides an energy-conserving cooling system for data center, includes the rack, is provided with cooling plate and a plurality of server in the rack, its characterized in that: the cabinet is connected into a first heat dissipation cold source group and a second heat dissipation cold source group;
the first heat dissipation cold source group comprises a closed cooling tower, an intermediate heat exchanger and a connecting pipeline; the closed cooling tower is connected with the intermediate heat exchanger through a connecting pipeline and then is connected into the cabinet; the intermediate heat exchanger is connected with a connecting pipeline of a server in the cabinet and the cooling plate, and the intermediate heat exchanger indirectly exchanges heat with the connecting pipeline and the cooling plate;
the second heat dissipation cold source set comprises a multi-cold source set, a first evaporator and a water storage tank;
the multi-cold-source unit is connected with the first evaporator and the water tank through the connecting pipeline and then is connected into the cabinet, the multi-cold-source unit performs refrigeration, and the temperature of a cooling plate in the cabinet is reduced through heat exchange of the first evaporator; the water storage tank stores cold and provides a cold source for the server to dissipate heat and reduce temperature.
2. The energy-saving heat dissipation system for data center as claimed in claim 1, wherein: and a medium pump is arranged between the intermediate heat exchanger and each server, and each server is used for radiating heat through the medium pump.
3. The energy-saving heat dissipation system for data center as claimed in claim 1, wherein: the second heat dissipation cold source group is also connected with a cold supplement system; the cold compensation system comprises a chilled water air conditioner, a second evaporator and a connecting pipeline; the chilled water air conditioner is connected with the second evaporator through a connecting pipeline and then is respectively connected with the first evaporator and the multi-cold-source unit through the second evaporator; the chilled water air conditioner is used for supplementing cold energy for the first evaporator and the multi-cold-source unit.
4. The energy-saving heat dissipation system for data center as claimed in claim 1, wherein: the multi-cold source unit comprises a compressor, an air-cooled condenser, a plate-type condenser and a fan; the air-cooled condenser introduces air to cool a gaseous refrigerant in the air-cooled condenser under the action of a fan; the plate condenser is connected with the closed cooling tower through a connecting pipeline and is cooled by the closed cooling tower.
5. The energy-saving heat dissipation system for data center as claimed in claim 1, wherein: a temperature control device is also arranged in the cabinet; each server is provided with a temperature acquisition device on a water inlet connecting pipeline and a water return connecting pipeline; each temperature acquisition device is connected to a temperature control device; the temperature acquisition device monitors the water inlet temperature and the water return temperature of the server and then sends the water inlet temperature and the water return temperature to the temperature control device; the temperature control device controls the water inlet temperature and the water return temperature of the first heat dissipation cold source group entering the server.
6. The energy-saving heat dissipation system for data center as claimed in claim 5, wherein: the temperature control device controls the evaporation temperature of the first evaporator and the water inlet temperature and the water return temperature of the first evaporator entering the server.
7. An implementation method of the energy-saving heat dissipation system for the data center based on any one of claims 1 to 6 is characterized in that: comprises the following steps of (a) carrying out,
when the outdoor temperature is higher than 35 ℃, the first heat dissipation cold source unit is started, cold source condensation cooling needs to be provided for a cooling plate in the server and a plate type condenser in the multi-cold source unit, at the moment, the cold compensation system is started, and the chilled water air conditioner respectively performs cold compensation on the first evaporator and the multi-cold source unit through the second evaporator;
when the outdoor temperature is less than 35 ℃, the first heat dissipation cold source set is started to provide a cold source for the cooling plate in the server, the cooling plate of the server meets the cold requirement of the cooling plate through heat exchange of the intermediate heat exchanger, the cold supplementing system is closed at the moment, and the multi-cold source set exchanges heat through the air-cooled condenser.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011240559.3A CN112236022B (en) | 2020-11-09 | 2020-11-09 | Energy-saving heat dissipation system for data center and implementation method |
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| CN202011240559.3A CN112236022B (en) | 2020-11-09 | 2020-11-09 | Energy-saving heat dissipation system for data center and implementation method |
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| CN112236022A true CN112236022A (en) | 2021-01-15 |
| CN112236022B CN112236022B (en) | 2022-12-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113825371A (en) * | 2021-09-30 | 2021-12-21 | 苏州浪潮智能科技有限公司 | Constant-temperature and constant-humidity data center cooling system and method |
| CN115348797A (en) * | 2021-05-12 | 2022-11-15 | 辉达公司 | Intelligent refrigerant-to-refrigerant heat exchanger for data center cooling system |
| CN115397204A (en) * | 2022-08-22 | 2022-11-25 | 清华大学 | Heat pipe backboard air conditioner grading treatment system and control method thereof |
| CN115507473A (en) * | 2022-09-15 | 2022-12-23 | 佛山中科融谷科技有限公司 | Data center cold compensation device and method using cold accumulation adjustment |
| CN118555811A (en) * | 2024-07-30 | 2024-08-27 | 江苏北联国芯技术有限公司 | Distributed storage server cluster high-efficiency cooling equipment |
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| CN115507473A (en) * | 2022-09-15 | 2022-12-23 | 佛山中科融谷科技有限公司 | Data center cold compensation device and method using cold accumulation adjustment |
| CN115507473B (en) * | 2022-09-15 | 2024-03-08 | 佛山中科融谷科技有限公司 | Data center cold supplementing device and method adjusted by cold accumulation |
| CN118555811A (en) * | 2024-07-30 | 2024-08-27 | 江苏北联国芯技术有限公司 | Distributed storage server cluster high-efficiency cooling equipment |
| CN118555811B (en) * | 2024-07-30 | 2024-10-18 | 江苏北联国芯技术有限公司 | Distributed storage server cluster high-efficiency cooling equipment |
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| CN112236022B (en) | 2022-12-27 |
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