CN110730602A - Liquid immersion type server cabinet and cooling system thereof - Google Patents
Liquid immersion type server cabinet and cooling system thereof Download PDFInfo
- Publication number
- CN110730602A CN110730602A CN201911121440.1A CN201911121440A CN110730602A CN 110730602 A CN110730602 A CN 110730602A CN 201911121440 A CN201911121440 A CN 201911121440A CN 110730602 A CN110730602 A CN 110730602A
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- cabinet
- cooling
- liquid
- heat exchanger
- servers
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- 238000001816 cooling Methods 0.000 title claims abstract description 69
- 239000007788 liquid Substances 0.000 title claims abstract description 48
- 238000007654 immersion Methods 0.000 title claims abstract description 25
- 239000002826 coolant Substances 0.000 claims abstract description 34
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 4
- 230000009972 noncorrosive effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20763—Liquid cooling without phase change
- H05K7/20781—Liquid cooling without phase change within cabinets for removing heat from server blades
-
- 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
- H05K7/20818—Liquid cooling with phase change within cabinets for removing heat from server blades
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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)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a liquid immersion type server cabinet and a cooling system thereof. The cooling oil is contained in the liquid immersion cabinet, and the servers and the heat exchanger are immersed in the cooling oil and are placed between the two groups of servers. The inlet of the natural cooler is connected with the outlet of the heat exchanger through a cooling medium pipeline, and the outlet of the natural cooler is connected with the inlet of the heat exchanger through a cooling medium pipeline; a liquid storage tank is arranged at the outlet of the natural cooler, and a liquid pump is arranged between the liquid storage tank and the inlet of the heat exchanger. The liquid immersion type server cabinet and the cooling system thereof have the advantages that the cooling oil is in direct contact with the server for heat exchange, so that the heat dissipation efficiency of the server is improved; the natural cold source is fully utilized, the existing refrigerating system of the data center is omitted, and the energy consumption of the data center is greatly reduced.
Description
Technical Field
The invention relates to the field of server cabinets, in particular to a liquid immersion type server cabinet.
Background
With the development of big data and cloud computing technology, data centers are more and more constructed, and the power consumption of the data centers is more and more increased while the data centers output computing power. The heating temperature of the server can reach more than 60 ℃, heat dissipation needs to be carried out through auxiliary equipment, and if the heat dissipation effect is poor, the server is very easy to crash due to local overheating inside, and the normal operation of the data center is affected. Therefore, server heat dissipation is an important issue that needs to be addressed by data centers. Most of traditional data centers adopt air conditioners for air cooling heat dissipation, a large amount of energy needs to be consumed, and the heat dissipation efficiency is low.
The liquid immersion type cooling is to place the server in cooling liquid for heat exchange and cooling, and the cooling liquid is in direct contact with the server for heat exchange, so that the heat exchange efficiency is high. And the temperature of the cooling liquid after heat exchange is higher than the perennial meteorological temperature of most areas in China, so that the natural cooling source can be fully utilized to cool the cooling liquid, and the energy consumption of the data center is greatly reduced.
Disclosure of Invention
The invention aims to provide a liquid immersion type server cabinet and a cooling system thereof, which adopt a natural cooling technology, fully utilize a natural cold source and solve the problems of poor heat dissipation efficiency of a server and high energy consumption of a data center.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a liquid immersion type server cabinet and a cooling system thereof comprise a liquid immersion type server cabinet, a server, a heat exchanger, a natural cooler, cooling oil, a cooling medium and a cooling medium pipeline. The cooling oil is contained in the liquid immersion cabinet; the server is immersed in cooling oil; the heat exchanger is immersed in the cooling oil and placed between the two sets of servers. The inlet of the natural cooler is connected with the outlet of the heat exchanger through a cooling medium pipeline, and the outlet of the natural cooler is connected with the inlet of the heat exchanger through a cooling medium pipeline; the cooling oil is non-conductive, non-volatile, non-flammable and non-corrosive electronic cooling liquid.
Furthermore, one or two or more groups of servers are provided with one group of heat exchangers.
Further, the cooling medium duct in the cabinet is arranged along the side of the cabinet.
Further, the natural cooler is installed at a position higher than the heat exchanger.
Further, the natural cooler is installed at the same height as or lower than the heat exchanger.
Furthermore, a liquid storage tank is arranged at the outlet of the natural cooler, and a liquid pump is arranged between the liquid storage tank and the inlet of the heat exchanger.
Further, the top of the cabinet is provided with a top cover plate which is a glass cover plate.
Further, the bottom of the cabinet is provided with casters.
Further, one or two or more than two cabinets are provided with a group of natural coolers.
Further, the cooling medium is freon.
The invention has the following beneficial effects: the liquid immersion type server cabinet and the cooling system thereof have the advantages that the servers are placed in the cooling oil, and the cooling oil is in direct contact with the servers for heat exchange, so that the heat dissipation efficiency of the servers is improved; and a natural cooling technology is adopted, a natural cold source is fully utilized, the existing refrigeration system is cancelled, and the energy consumption of the data center is greatly reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention.
Fig. 1 is a schematic structural diagram of a first embodiment of a liquid-immersed server cabinet and a cooling system thereof.
Fig. 2 is a schematic structural diagram of a second embodiment of a liquid-immersed server cabinet and a cooling system thereof.
Fig. 3 is a schematic structural diagram of a third embodiment of a liquid-immersed server cabinet and a cooling system thereof.
Fig. 4 is a schematic structural diagram of a fourth embodiment of a liquid-immersed server cabinet and a cooling system thereof.
In the figure: (1) a cabinet; (2) a server; (3) a heat exchanger; (4) a natural cooler; (5) a liquid storage tank; (6) a liquid pump; (7) cooling oil (not shown); (8) a cooling medium (not shown); (9) a coolant conduit.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, a schematic structural diagram of a liquid immersion type server cabinet and a cooling system thereof according to a first embodiment of the present invention includes a liquid immersion type server cabinet 1, a server 2, a heat exchanger 3, a free cooler 4, cooling oil 7, a cooling medium 8, and a cooling medium pipeline 9. The cooling oil 7 is contained in the liquid immersion cabinet 1; the server 2 is immersed in cooling oil 7; the heat exchanger 3 is immersed in cooling oil 7 and placed between the two groups of servers 2. The inlet of the natural cooler 4 is connected with the outlet of the heat exchanger 3 through a cooling medium pipeline 9, and the outlet is connected with the inlet of the heat exchanger 3 through the cooling medium pipeline 9.
The server 2 is immersed in the cooling oil 7 and is in direct contact with the cooling oil 7, and heat generated by the server 2 is directly dissipated into the cooling oil 7, so that the heat dissipation efficiency of the server 2 is improved. The temperature rises after the cooling oil 7 exchanges heat with the server 2, and the server 2 is cooled continuously by the heat exchange and temperature reduction of the heat exchanger 3 placed in the cabinet 1.
The heat exchanger 3 is arranged inside the cabinet 1, is directly immersed in the cooling oil 7 and is arranged between the two groups of servers 2. Each group of servers 2 is correspondingly provided with a group of heat exchangers 3, or each two groups of servers 2 are correspondingly provided with a group of heat exchangers 3, or each more than two groups of servers 2 are correspondingly provided with a group of heat exchangers 3, or the heat exchangers 3 are arranged in a mixed mode. The heat exchangers 3 are distributed in the cabinet 1, the contact area of the heat exchangers with the cooling oil 7 is large, the distance between the heat exchangers and the server 2 is short, the temperature of the cooling oil 7 can be uniform, and the heat dissipation efficiency of the server 2 is improved.
The temperature of the cooling oil 7 after heat exchange with the server 2 is more than 45 ℃, the cooling medium 8 in the heat exchanger 3 can exchange heat with the cooling oil 7 when the temperature is lower than the temperature of the cooling oil 7, and the temperature of the cooling medium 8 after heat exchange is higher than the perennial meteorological temperature of most areas in China, so that a natural cooler 4 can be arranged, the natural cooling source is fully utilized to cool the cooling medium 8, and the existing data center refrigerating system is cancelled. The cooling medium 8 directly radiates heat to the environment through the natural cooler 4, and is cooled. The cooling medium 8 is Freon, and is evaporated into gas in the heat exchanger 3, and enters the natural cooler 4, and is cooled into liquid in the natural cooler 4, and the installation position of the natural cooler 4 is higher than that of the heat exchanger 3, and under the action of gravity, the liquid cooling medium 8 flows back to the heat exchanger 3 to be circulated for the next time.
As shown in fig. 2, which is a schematic structural diagram of a second embodiment of the liquid immersion type server cabinet and the cooling system thereof according to the present invention, on the basis of the first embodiment, a set of natural coolers 4 is disposed in two or more liquid immersion cabinets 1, a cooling medium 8 is evaporated into gas in the heat exchangers 3 of the respective cabinets 1, the gas is merged by a cooling medium pipeline 9 and then enters the natural coolers 4 for cooling, and the cooling medium 8 cooled into liquid flows back to the heat exchangers 3 of the respective cabinets 1 under the action of gravity.
As shown in fig. 3, which is a schematic structural diagram of a third embodiment of the liquid immersion server cabinet and the cooling system thereof of the present invention, the installation position of the free cooling device 4 may be arbitrarily arranged, and is higher than the position of the heat exchanger 3 or is the same as the position of the heat exchanger 3 or is lower than the position of the heat exchanger 3, a liquid storage tank 5 is disposed at an outlet of the free cooling device 4, and a liquid pump 6 is disposed between the liquid storage tank 5 and an inlet of the heat exchanger 3. The cooling medium 8 is evaporated into gas in the heat exchanger 3, enters the natural cooler 4, is cooled into liquid in the natural cooler 4, enters the liquid storage tank 5, and then enters the heat exchanger 3 under the action of the pumping force of the liquid pump 6.
As shown in fig. 4, which is a schematic structural diagram of a liquid immersion server cabinet and a cooling system thereof according to a fourth embodiment of the present invention, on the basis of the third embodiment, two or more liquid immersion cabinets 1 are provided with a set of natural coolers 4. The cooling medium 8 is evaporated into gas in the heat exchangers 3 of the cabinets 1, and enters the natural cooler 4 for cooling after being converged by the cooling medium pipelines 9, and after being cooled into liquid, the cooling medium 8 enters the liquid storage tank 5 and is conveyed to the heat exchangers 3 of the cabinets 1 under the action of the pumping force of the liquid pump 6.
The cooling oil 7 is non-conductive, non-volatile, non-flammable and non-corrosive electronic cooling liquid, and circulates only inside the liquid immersion cabinet 1, so that the use amount of the cooling oil 7 is reduced, the weight of the liquid immersion cabinet 1 is reduced, and the use cost of the cooling oil 7 is saved.
The top of the cabinet 1 is provided with a top cover plate which is a glass cover plate; the working state of the server 2 can be observed through the glass cover plate when the server 2 works. The servers 2 need to be put in or taken out from the top of the cabinet 1, and the cooling medium pipeline 9 in the cabinet 1 is arranged along the side face of the cabinet 1, so that the putting in or taking out of the servers 2 is not influenced. The truckles are installed at the bottom of the cabinet 1, so that the cabinet 1 can be conveniently moved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A liquid immersion type server cabinet and a cooling system thereof are characterized by comprising a liquid immersion cabinet, a server, a heat exchanger, a natural cooler, cooling oil, a cooling medium and a cooling medium pipeline; the cooling oil is contained in the liquid immersion cabinet; the server is immersed in cooling oil; the heat exchanger is immersed in the cooling oil and is placed between the two groups of servers; the inlet of the natural cooler is connected with the outlet of the heat exchanger through a cooling medium pipeline, and the outlet of the natural cooler is connected with the inlet of the heat exchanger through a cooling medium pipeline; the cooling oil is non-conductive, non-volatile, non-flammable and non-corrosive electronic cooling liquid.
2. The cabinet for liquid-immersed servers and the cooling system thereof as claimed in claim 1, further characterized in that: one or two or more groups of servers are provided with one group of heat exchangers.
3. The cabinet for liquid-immersed servers and the cooling system thereof as claimed in claim 1, further characterized in that: the cooling medium ducts in the cabinet are arranged along the sides of the cabinet.
4. The cabinet for liquid-immersed servers and the cooling system thereof as claimed in claim 1, further characterized in that: the natural cooler is installed at a position higher than that of the heat exchanger.
5. The cabinet for liquid-immersed servers and the cooling system thereof as claimed in claim 1, further characterized in that: the natural cooler is installed at the same height as or lower than the heat exchanger.
6. The cabinet for liquid-immersed servers and the cooling system thereof as claimed in claim 1 or 5, further characterized in that: a liquid storage tank is arranged at the outlet of the natural cooler, and a liquid pump is arranged between the liquid storage tank and the inlet of the heat exchanger.
7. The cabinet for liquid-immersed servers and the cooling system thereof as claimed in claim 1, further characterized in that: the top of the cabinet is provided with a top cover plate which is a glass cover plate.
8. The cabinet for liquid-immersed servers and the cooling system thereof as claimed in claim 1, further characterized in that: the bottom of the cabinet is provided with casters.
9. The cabinet for liquid-immersed servers and the cooling system thereof as claimed in claim 1, further characterized in that: one or two or more cabinets are provided with a set of natural coolers.
10. The cabinet for liquid-immersed servers and the cooling system thereof as claimed in claim 1, further characterized in that: the cooling medium is freon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911121440.1A CN110730602A (en) | 2019-11-15 | 2019-11-15 | Liquid immersion type server cabinet and cooling system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911121440.1A CN110730602A (en) | 2019-11-15 | 2019-11-15 | Liquid immersion type server cabinet and cooling system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110730602A true CN110730602A (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911121440.1A Pending CN110730602A (en) | 2019-11-15 | 2019-11-15 | Liquid immersion type server cabinet and cooling system thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110730602A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727582A (en) * | 2021-08-20 | 2021-11-30 | 苏州浪潮智能科技有限公司 | Server room and passive immersion heat dissipation system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207443331U (en) * | 2017-11-26 | 2018-06-01 | 北京中热能源科技有限公司 | A kind of electronic equipment cooling system |
| CN108323118A (en) * | 2018-03-06 | 2018-07-24 | 北京中热能源科技有限公司 | The liquid cooling system of a kind of electronic equipment |
| CN109195424A (en) * | 2018-11-06 | 2019-01-11 | 北京中热信息科技有限公司 | A kind of heat pipe exchanging type electronic equipment liquid cooling system |
| CN209314194U (en) * | 2018-10-12 | 2019-08-27 | 北京丰联奥睿科技有限公司 | A kind of cooling system of liquid dipping machine cabinet |
| CN211090398U (en) * | 2019-11-15 | 2020-07-24 | 北京丰联奥睿科技有限公司 | Liquid immersion type server cabinet and cooling system thereof |
-
2019
- 2019-11-15 CN CN201911121440.1A patent/CN110730602A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207443331U (en) * | 2017-11-26 | 2018-06-01 | 北京中热能源科技有限公司 | A kind of electronic equipment cooling system |
| CN108323118A (en) * | 2018-03-06 | 2018-07-24 | 北京中热能源科技有限公司 | The liquid cooling system of a kind of electronic equipment |
| CN209314194U (en) * | 2018-10-12 | 2019-08-27 | 北京丰联奥睿科技有限公司 | A kind of cooling system of liquid dipping machine cabinet |
| CN109195424A (en) * | 2018-11-06 | 2019-01-11 | 北京中热信息科技有限公司 | A kind of heat pipe exchanging type electronic equipment liquid cooling system |
| CN211090398U (en) * | 2019-11-15 | 2020-07-24 | 北京丰联奥睿科技有限公司 | Liquid immersion type server cabinet and cooling system thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727582A (en) * | 2021-08-20 | 2021-11-30 | 苏州浪潮智能科技有限公司 | Server room and passive immersion heat dissipation system thereof |
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