CN107690268A - A kind of data center cooling system and data center - Google Patents
A kind of data center cooling system and data center Download PDFInfo
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- CN107690268A CN107690268A CN201710919786.0A CN201710919786A CN107690268A CN 107690268 A CN107690268 A CN 107690268A CN 201710919786 A CN201710919786 A CN 201710919786A CN 107690268 A CN107690268 A CN 107690268A
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- coolant
- data center
- cooling system
- cooling
- server
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- 238000001816 cooling Methods 0.000 title claims abstract description 195
- 239000007788 liquid Substances 0.000 claims abstract description 148
- 239000002826 coolant Substances 0.000 claims abstract description 137
- 239000000498 cooling water Substances 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 230000017525 heat dissipation Effects 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000013535 sea water Substances 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000011469 building brick Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000002480 mineral oil Substances 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- 231100000252 nontoxic Toxicity 0.000 description 3
- 230000003000 nontoxic effect Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20236—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures by immersion
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention provides a kind of data center cooling system and data center, for solving the problems, such as that a kind of extensive use, energy-efficient and inexpensive data center cooling system and data center can not be provided in the prior art.Data center cooling system includes liquid cold drop, for loading coolant；Server, it is placed in the liquid cold drop and is dipped vertically into the coolant；Mozzle is provided with above the server；The top of the server is the one end of the server away from the liquid cold drop；Micropump, the top of the server is placed on, the liquid cold drop is exported for the coolant sucked by the mozzle in the liquid cold drop, and by the coolant, so that the coolant is cooled.The coolant to have been heated up in liquid cold drop is extracted out by micropump, the cooling of coolant in liquid cold drop is realized, so as to cool down the server being immersed in coolant.
Description
Technical field
The present invention relates to liquid cooling technical field, more particularly to a kind of data center cooling system and data center.
Background technology
With the whole world to calculating, the growth rapid increase of data storage and communication technology demand, data center in recent years
Demand is increasing, total amount more than 400,000, year power consumption be about 832,500,000,000 kilowatt hours, more than Analyzing Total Electricity Consumption
1.5%.There are four one-tenth or so to be consumed by data center's refrigeration system among these.With data center machine room popularization, refrigeration
Cost and maintenance cost are even more unprecedentedly soaring year by year.How to solve the problems, such as that data center apparatus cooling consumption is increasingly tended towards superiority to start
Receive all circles' strong interest.
It is simple at present to meet by reducing wind pushing temperature and increasing air quantity because the ratio volumetric specific heat capacity of air is relatively low
The mode of server radiating demand has encountered bottleneck.Common air cooling server rack on the market at present, its single frame
The server power that can be carried is 3~20kW.The ratio volumetric specific heat capacity of coolant used in liquid cold data center is empty
1000~1200 times of gas, this server power that single liquid-cooled suit business device frame can be accommodated reaches 20~
100kW even more highs.
In the prior art, existing manufacturer is attempted the electronic component package in whole server in a shell sealed
Interior, encapsulation is internal to be radiated full of coolant, and this scheme equally exists that packaging cost is higher, sealing technology is complicated, versatility
The problem of poor.Ye You producers attempt, using a kind of lower boiling cooling medium immersion server, constantly to steam by cooling medium
Send and remove heat caused by server, then the condenser coil by being connected with cooling water is condensed into liquid again.But such low boiling
The cooling medium price of point is very expensive, and implementing process is more complicated, therefore this kind of technology is not yet applied on a large scale.
In summary, can not provide in the prior art in a kind of extensive use, a kind of energy-efficient and inexpensive data
Core cooling system and data center.
The content of the invention
The present invention provides a kind of data center and data center cooling system, for solving to provide in the prior art
The problem of a kind of extensive use, energy-efficient and inexpensive data center and data center cooling system.
The embodiments of the invention provide a kind of data center cooling system, including：Liquid cold drop, for loading coolant；Clothes
Business device, is placed in the liquid cold drop and is dipped vertically into the coolant；Mozzle is provided with above the server；Institute
The top for stating server is the one end of the server away from the liquid cold drop；Micropump, the top of the server is placed on,
The liquid cold drop is exported for the coolant sucked by the mozzle in the liquid cold drop, and by the coolant, so that
The coolant is cooled.
In the embodiment of the present invention, coolant is loaded with the liquid cold drop of data center cooling system, is submerged in coolant
Server, there is micropump above server, micropump is extracted out the coolant in liquid cold drop by mozzle, so that cooling
Liquid is cooled down, and is extracted the coolant to have been heated up in liquid cold drop out by micropump, is realized coolant in liquid cold drop
Cooling, so as to cool down the server being immersed in coolant.
In the embodiment of the present invention, heat exchanger is passed through by the coolant of the circulation pumped in data center cooling system
Cooled down, and the cooling water in heat exchanger is radiated by outdoor heat dissipation equipment.Number in the embodiment of the present invention
It is simple in construction according to middle core cooling system compared with traditional cooling system, reduce the construction cost of cooling system.In addition,
Data center cooling system in the embodiment of the present invention also includes micropump and coolant recirculation pump, can pass through independent adjustment
The rotating speed of two different pumps allows whole system to be divided into two parts, and a part is following for liquid cold drop-heat exchanger
Ring, another part are heat exchanger-outdoor heat dissipation equipments, the operation that two parts can be separate, will not be influenced each other.
In the embodiment of the present invention, data center can utilize the cooling unit in system to the server placed in systems
Cooled down, compared to traditional data center, reduce the construction cost of data center, improve the reliability of data center.
In the embodiment of the present invention, data center includes data center cooling system, cooling water supply pipe, return pipe and
Outdoor heat dissipation equipment, cold water supplying pipe are used for after importing outdoor heat dissipation equipment radiating to the heat exchanger of data center cooling system
Cooling water, CWR be used for by the heat exchanger of data center cooling system heat up after cooling water imported into room
Outer heat dissipation equipment, radiated by outdoor heat dissipation equipment, ensure that the refrigerating function of heat exchanger, and then ensure that in data
The cooling effect of the server at center.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is a kind of structural representation of cooling unit provided in an embodiment of the present invention；
Fig. 2 is the structural representation of another cooling unit provided in an embodiment of the present invention；
Fig. 3 is the cooling-water duct and door shape cooling passage of a kind of cooling unit provided in an embodiment of the present invention
Schematic diagram；
Fig. 4 is a kind of cooling-water duct of cooling unit provided in an embodiment of the present invention and has the circular arc of opening cold
But the schematic diagram of liquid passage；
Fig. 5 is the circular arc cooling of the cooling-water duct and zigzag of a kind of cooling unit provided in an embodiment of the present invention
The schematic diagram of liquid passage；
Fig. 6 is a kind of door shape cooling-water duct of cooling unit provided in an embodiment of the present invention and but liquid passage shows
It is intended to；
Fig. 7 is the circular arc cooling-water duct with opening of cooling unit provided in an embodiment of the present invention a kind of and cold
But the schematic diagram of liquid passage；
Fig. 8 is that a kind of partly overlapping cooling-water duct of cooling unit provided in an embodiment of the present invention and coolant are led to
The schematic diagram in road；
Fig. 9 is a kind of structural representation of cooling unit provided in an embodiment of the present invention；
Figure 10 is the structural representation of another cooling unit provided in an embodiment of the present invention；
Figure 11 is a kind of cut-away section structural representation of data center cooling system provided in an embodiment of the present invention；
Figure 12 is the cut-away section structural representation of another data center cooling system provided in an embodiment of the present invention；
Figure 13 is a kind of structural representation of data center cooling system provided in an embodiment of the present invention；
Figure 14 is a kind of part-structure schematic diagram of data center cooling system provided in an embodiment of the present invention；
Figure 15 is that a kind of part-structure of data center cooling system provided in an embodiment of the present invention including hot pond is illustrated
Figure；
Figure 16 is that a kind of data center provided in an embodiment of the present invention including heat exchanger and outdoor heat dissipation equipment is cold
But the structural representation of system；
Figure 17 is a kind of number provided in an embodiment of the present invention including cooling sea water regulating valve and coolant temperature detector
According to the structural representation of middle core cooling system；
Figure 18 is a kind of part-structure schematic diagram of data center provided in an embodiment of the present invention；
Figure 19 is the part-structure schematic diagram of another data center provided in an embodiment of the present invention.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, the present invention is made below in conjunction with accompanying drawing into
One step it is described in detail, it is clear that the described embodiment only a part of embodiment of the present invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
In embodiments of the present invention, data center refers to for disposing a whole set of of computer system and associated components facility,
Multiple servers and its corollary equipment can be accommodated.Server in the embodiment of the present invention, also referred to as servomechanism, it is to provide calculating clothes
The equipment of business.
The present invention provides a kind of cooling unit 100 for immersion server, as shown in figure 1, cooling unit 100 includes
Circulating pump 101 and heat exchanger 102, and cooling unit 100 has the cooling passage and cooling-water duct of circulation, it is cold
But liquid passage is cold for driving in the inside of heat exchanger 102, circulating pump 101 in the outside of heat exchanger 102, cooling-water duct
But the circulation behavior of liquid passage.
In the embodiment of the present invention, server is immersed in cooling unit, passes through the circulating pump of cooling unit so that heat exchange
Coolant in cooling water and independent circulation fluid in device in independent circulating water channel carries out heat exchange, with this to submergence
Server in cooling unit is cooled down.
In embodiments of the present invention, coolant is a kind of liquid for possessing certain dielectric strength, all kinds of on server 130
Electronic building brick normal operation and can need not carry out any transformation in the liquid.In addition, coolant should also have it is nonflammable,
The characteristics such as nontoxic, free from extraneous odour.Optionally, coolant can be but not limited to mineral oil, artificial oil or hydrofluoroether etc..
Cooling unit 100 in embodiments of the present invention has two circulation canals, is realized by the circulation of cooling water cold
But the circulation of liquid, so as to carry out heat exchange in the part of heat exchanger 102, so as to be cooled down to coolant.
Optionally, the configuration of the circulating pump 101 in cooling unit 100 in embodiments of the present invention and heat exchanger 102
Ratio is N：1, N is natural number more than zero, that is to say, that in embodiments of the present invention, can be with a cooling unit 100
Multiple circulating pumps 101 and a heat exchanger 102 be present, such as shown in Fig. 2 each cooling unit 100 includes two
Circulating pump 101 and a heat exchanger 102, that is to say, that by the ringing of two circulating pumps 101, can accelerate cold
But the circulation of liquid, the cooling of coolant is also just accelerated.
Optionally, in embodiments of the present invention, in order to there are two independent circulation canals, gone back in cooling unit 100
Including liquid outlet 103 and liquid return hole 104, it is logical that liquid outlet 103, liquid return hole 104 and circulating pump 101 constitute coolant circulation
Road.
Optionally, in embodiments of the present invention, the path of cooling passage is door shape or the circular arc with opening
Either zigzag, for example, as shown in figure 3, the path of cooling passage be door shape, then can determine liquid outlet 103 and time
Liquid mouth 104 is located at the bottom of cooling unit 100, and liquid outlet 103 and liquid return hole 104 positioned at the bottom of cooling unit 100
Both sides, so as to make the path of cooling passage be door shape.
For example, as shown in figure 4, the path of cooling passage is the arc with opening, then liquid return hole 104 can be set
In the top of cooling unit 100, liquid outlet 103 is arranged at the bottom of cooling unit 100, and liquid return hole 104 and liquid outlet 103
Positioned at the homonymy of cooling unit 100, so as to make the path of cooling passage be the arc with opening.
For example, as shown in figure 5, when liquid outlet 103 is located at the bottom of cooling unit 100, liquid return hole 104 is located at cooling unit
100 top, and liquid outlet 103 is located at the both sides of cooling unit 100 with liquid return hole 104, then the path of cooling passage is class
Like zigzag.
In the above-described embodiments, can be bigger when the path of cooling passage is the arc or zigzag with opening
Area is flowed coolant, so having more preferable cooling effect.
Optionally, in embodiments of the present invention, heat exchanger 102 also includes delivery port 105 and water inlet 106, water outlet
Mouth 105 and water inlet 106, heat exchanger 102 constitute the circulation canal of cooling water.That is, pass through water inlet 106
Coolant exports through over-heat-exchanger 102 and then through delivery port 105, constitutes independent cooling water circulation passage.
Optionally, in embodiments of the present invention, delivery port 105 is located at the position of heat exchanger 102 not with water inlet 106
Together, the different paths of cooling water circulation passage are determined.For example, as shown in fig. 6, delivery port 105 is respectively positioned on heat with water inlet 106
The bottom of exchanger 102, then the path of the cooling-water duct formed is similar door shape；As shown in fig. 7, work as delivery port 105
In the bottom of heat exchanger 102, water inlet 106 is located at the top of heat exchanger 102, then the path of the cooling-water duct formed is
Circular arc with opening.
Optionally, in embodiments of the present invention, because liquid outlet 103 and the position of liquid return hole 104 are different, cooling can be changed
The circulation canal path of liquid, and the position of delivery port 105 and water inlet 106 is different, can change the circulation canal road of cooling water
Footpath, partly overlapped so there may be between the circulation canal path of coolant and the circulation canal path of cooling water, such as Fig. 8
Shown, when liquid return hole 104 is located at the top of cooling unit 100, liquid outlet 103 is located at the bottom of cooling unit 100, and liquid return hole
104 are located at the homonymy of cooling unit 100 with liquid outlet 103, when delivery port 105 is located at the bottom of heat exchanger 102, water inlet
106 are located at the top of heat exchanger 102, then part weight between the cooling-water duct formed and the path of cooling passage be present
It is folded.
Optionally, in embodiments of the present invention, in order to increase the film-cooled heat to coolant, in heat exchanger 102
Cooling water pipeline can fold close-packed arrays, add the transmission volume of cooling water, also improve the cooling effectiveness of coolant,
For example, as shown in figure 9, the cooling water pipe in heat exchanger 102 is folded and is arranged closely in heat exchanger 102, by increasing capacitance it is possible to increase cold
But the volume of water, more effectively improves heat exchange efficiency.
Optionally, in embodiments of the present invention, heat exchanger 102 can be shell and tube exchanger or board-like heat exchange
Device.
Optionally, as shown in Figure 10, cooling center 100 also includes kuppe 107, and kuppe 107 is located at cooling passage
In, and the user's fixed cycles pump 101 of kuppe 107, and kuppe 107 has the function that water conservancy diversion, and circulating pump 101 is sucked
Coolant water conservancy diversion is into heat exchanger 102.The shape of kuppe 107 can be funnel type, be easy to guide the coolant into heat friendship
In parallel operation 102.
Optionally, cooling unit 100 also includes screen pack 108, and screen pack 108 is located in cooling passage, will prepare to inhale
The coolant entered into heat exchanger 102 is filtered, and prevents impurity effect in coolant to cooling effect.For more preferable mistake
Effect is filtered, optionally, screen pack 108 is located at the top of kuppe 107, can filter the cooling being introduced into kuppe 107
Liquid.
In optional, as shown in Figure 10 cooling unit 100, including circulating pump 101, heat exchanger 102, liquid outlet 103,
Liquid return hole 104, delivery port 105, water inlet 106, kuppe 107 and screen pack 108；In embodiments of the present invention, circulating pump
101 with the ratio of heat exchanger 102 be 2：1, screen pack 108 is located at the top of cooling unit 100, and liquid return hole 104 is positioned at cooling
The top of unit 100, kuppe 107 are used for fixed cycles pump 101, and circulating pump 101 is located at the top of heat exchanger 102, goes out liquid
Mouth 103 is located at the bottom of cooling unit 100, and liquid return hole 104 and liquid outlet 103 are in the homonymy of cooling unit 100.
Delivery port 105 is located at the bottom of cooling unit 100, and water inlet 106 is located at the top of cooling unit 100, and water outlet
Mouth 105 is located at the homonymy of cooling unit 100 with water inlet 106.
In embodiments of the present invention, cooling passage is liquid return hole 104, kuppe 107, screen pack 108, circulating pump 101
And the path that liquid outlet 103 is formed, the path of cooling passage is the arc with opening, and cooling-water duct is water inlet
106th, the path that heat exchanger 102 and delivery port 105 are formed, the path of cooling-water duct is the arc with opening.
The embodiment of the present invention additionally provides a kind of cooling unit 100 having in any embodiments of above-mentioned Fig. 1~Figure 10
Data center cooling system 200, in data center cooling system 200, cooling unit 100 be used for data center's cooling system
Server 201 in system 200 is cooled down, so data center cooling system 200 in embodiments of the present invention comprises at least
Liquid cold drop 202, cooling unit 100 and server 201 as shown in figure 11.
In the embodiment of the present invention, coolant is loaded with liquid cold drop, and the cooling unit in above-described embodiment is placed
It is by the cooling water of cooling unit and the circulation of coolant that the server submerged in liquid cold drop progress is cold in liquid cold drop
But, and because cooling unit and server are alternately arranged, cooling unit can be cooled down preferably to server, be improved cold
But efficiency.
Optionally, in embodiments of the present invention, liquid cold drop 202 is an opened upper end, the tool surrounded by four walls and bottom surface
There is the structure of certain internal capacity, the internal capacity of liquid cold drop 202 is full of coolant.
In embodiments of the present invention, coolant is a kind of liquid for possessing certain dielectric strength, all kinds of on server 130
Electronic building brick normal operation and can need not carry out any transformation in the liquid.In addition, coolant should also have it is nonflammable,
The characteristics such as nontoxic, free from extraneous odour.Optionally, coolant can be but not limited to mineral oil, artificial oil or hydrofluoroether etc..
In embodiments of the present invention, coolant is loaded with liquid cold drop 202, server 201 is dipped vertically into liquid cold drop 202
In, and the liquid level of liquid cold drop 202 is higher than the top of server 201, cooling unit 100 is also immersed in liquid cold drop 202, and cooling is single
Member 100 replaces placement with server 201.
Server 201 can freely be proposed liquid cold drop 100 vertically upward, or place feed liquor cold drop vertically downward
100, do not interfere with the working condition of other servers 201 in the process placed or extracted.
Optionally, in embodiments of the present invention, server 201 is vertically disposed in liquid cold drop 202, each server
201 close adjacent arrange in liquid cold drop 202 so that as far as possible in liquid cold drop 202 can be placed in unit area more
Server 201.
In embodiments of the present invention, the ratio of cooling unit 100 and server 201 can be 1：1 setting or N：
1 is set, and N is the natural number more than zero.Optionally, in embodiments of the present invention, the both sides of each cooling unit 100 respectively have one
Server 201, i.e. any one cooling unit 100 cooling unit 100 adjacent thereto can form redundant configuration, in a cooling
When unit 100 breaks down, the server 201 that adjacent cooling unit 100 can continue as periphery is radiated.
Optionally, in embodiments of the present invention, the coolant in data center cooling system 200 and cooling water follow
Ring process is as shown in figure 12, and in embodiments of the present invention, cooling unit 100 includes circulating pump 101 and heat exchanger 102, bag
Liquid outlet 103 and liquid return hole 104, including delivery port 105 and water inlet 106, including kuppe 107 are included, it is cold in data center
But the server 201 of adjacent laying is also included in system 200, cooling center 100 is submerged in liquid cold drop 202 with server 201
In.
For circulating pump 101 by the coolant suction cooling unit 100 of the both sides of cooling unit 100, heat exchanger 102 is used for will
The coolant of suction is cooled down, and discharges coolant again carry out in liquid cold drop 202 after the cooling period.
In data center cooling system 200 in embodiments of the present invention, existing data center is cooled down in order to reduce
The transformation of system, and make full use of natural heat dissipation, reduces energy waste, the data center cooling system in the embodiment of the present invention
200 also include outdoor heat dissipation equipment 203, and outdoor heat dissipation equipment 203 is used to cool down cooling water, when in heat exchanger 102
Carry out heat exchange after, the temperature of cooling water can increase, in order to persistently be cooled down to coolant, the cooling water after heating need into
Row cools down, and is radiated in the embodiment of the present invention by outdoor heat dissipation equipment 203.
Optionally, in embodiments of the present invention, as shown in figure 13, data center cooling system 200 also includes cooling water confession
Water pipe 204 and CWR 205, one end of cooling water supply pipe 204 are connected with the delivery port 105 of cooling unit 100,
The other end of cooling water supply pipe 204 is connected with outdoor heat dissipation equipment 203, one end of CWR 205 and cooling unit
100 water inlet 106 is connected, and the other end of CWR 205 is connected with outdoor heat dissipation equipment 203.
Optionally, in embodiments of the present invention, outdoor heat dissipation equipment 203 also includes refrigerating module 2031 and circulating chilled water
Pump 2032, wherein refrigerating module 2031 can have polytype, including：Natural cooling module (refers generally to open type or enclosed cooling
Tower, dry cooler etc.), mechanical refrigeration (refer to the various kinds of equipment using steam compression type refrigerating, such as：Handpiece Water Chilling Units, directly steam
Send out refrigeration unit etc.) and heat recovery equipment (can be all kinds of heat exchangers or water resource heat pump etc.).Refrigerating module
2031 can be one or more kinds of combinations in the said equipment.
Cooling water circulating pump 2032 is used to drive cooling water to circulate between each cooling unit 100 and refrigerating module 2031.
Heat exchange is carried out with coolant in heat exchanger 102 of the cooling water in cooling unit 100, absorbs the heat in coolant.Inhale
Cooling water after heat enters cooling water supply pipe 204 by delivery port 105 and enters refrigerating module 2301, passes through refrigerating module 2301
By in the natural environment of heat dissipation, also or to waste heat recycling is carried out.Cooling water after cooling down again passes through
CWR 205 is transported in the heat exchanger 102 in each cooling unit 100.
In embodiments of the present invention, the coolant of the higher temperature on the top of liquid cold drop 202 is maintained at a specific temperature
In the range of degree, it can ensure to reduce cooling server while multiple servers 201 are sufficiently cooled as far as possible in the temperature range
The energy consumed.In general, the temperature range is generally 35~48 DEG C.Because the temperature is higher than the environment of most area
Temperature, therefore the radiating at liquid cold data center can be met in most area using natural heat dissipation, it is not necessary to extra machinery
Refrigeration.
Optionally, in embodiments of the present invention, data center cooling system 200 also includes cover plate 206, and cover plate 206 is used for
Prevent dust or debris from falling into liquid cold drop 202.Cover plate 206 is designed to that certain weight can be born simultaneously, such as：Cover plate
Personnel can operate or carry server 201 on 206, and O＆M corollary equipment can move on the cover board etc..Cover plate 206 is covering
The upper area of liquid cold drop 202 is divided into O＆M space while liquid cold drop 202, takes full advantage of the space in vertical direction,
Improve the space availability ratio of data center.
In embodiments of the present invention, in addition to the data center cooling system 200 in above-described embodiment, also another number
It is no in data center cooling system 300 to use cooling unit 100 according to middle core cooling system 300, but include and fill cooling
The liquid cold drop 301 of liquid, the server 302 being immersed in liquid cold drop 301 and the micropump 303 for being arranged on the top of server 302；
Coolant in liquid cold drop is suctioned out liquid cold drop by micropump 303 by mozzle 304, coolant is cooled down, and
Being suctioned out the coolant of the top of server 302 by micropump 303 can make the coolant in liquid cold drop 301 form circulation, energy
Enough servers 302 preferably to be immersed in liquid cold drop 301 are radiated.
Optionally, in embodiments of the present invention, liquid cold drop 301 is an opened upper end, the tool surrounded by four walls and bottom surface
There is the structure of certain internal capacity, the internal capacity of liquid cold drop 301 is full of coolant.Optionally, in embodiments of the present invention, it is cold
But liquid is a kind of liquid for possessing certain dielectric strength, and all kinds of electronic building bricks on server 302 can be normal in the liquid
Run and any transformation need not be carried out.In addition, coolant should also have the characteristics such as nonflammable, nontoxic, free from extraneous odour.Optionally,
Coolant can be but not limited to mineral oil, artificial oil or hydrofluoroether etc..
As shown in figure 14, micropump 303 is located at the top of server 302, matching somebody with somebody between micropump 303 and server 302
It can be N to put：1, N is 0 natural number；Circulating pump 303 is arranged in column as server 302, in a liquid cold drop 301
The multiple row that can arrange circulating pump 303.Arbitrary cyclic pump 303 can form redundant configuration with the circulating pump 303 near it, i.e., when one
When circulating pump 303 breaks down, the coolant rate that the circulating pump 303 near it is pumped can still maintain this regional service
The radiating requirements of device 302.
In embodiments of the present invention, the effect of mozzle 304 is to constrain the flowing of coolant, ensures that circulating pump 303 can
Equably suck the coolant on the top of server 302.The suction inlet of general circulating pump 303 only has an aperture, directly with suction
Mouthful extract coolant more, the top of another part server 302 that occurs that the coolant on the top of part server 302 is extracted
The less or even immobilising situation that is extracted of coolant.So constrained in embodiments of the present invention using mozzle 304
The flowing of coolant, ensure that circulating pump 303 equably sucks the coolant on the top of server 302.
Optionally, in embodiments of the present invention, mozzle 304 can be rectangular tube closed at both ends, rectangular tube top with
The suction inlet connection of circulating pump 303, rectangular tube are provided with several apertures in the side towards server 302.
Optionally, in embodiments of the present invention, data center cooling system 300 as shown in figure 15, in order to be easy to
Collect the coolant that multiple circulating pumps 303 extract, data center cooling system 300 also includes overflow pipe 305；Overflow pipe 305
Coolant for a row or a circulating pump 305 arranged are extracted is converged.
Optionally, in embodiments of the present invention, gathered together for the ease of the coolant after overflow pipe 305 is converged,
The coolant got up will be converged by, which being easy to, is handled, and data center cooling system 300 also includes hot pond 306, hot pond 306 with it is multiple
Overflow pipe 305 is connected, and the coolant that overflow pipe 305 is converged is converged, and does not interfere with the work shape of circulating pump 305
State.
Optionally, it is coolant circulates in guarantee system stability, the dischargeable capacity in hot pond 306 be able to will typically accommodate cold
But 10~15min of liquid internal circulating load.
Optionally, in embodiments of the present invention, data center cooling system 300 also includes screen pack 307, screen pack 307
Between hot pond 306 and overflow pipe 305, screen pack 307 is used to be filtered the coolant that will go into hot pond 306,
In order to avoid the impurity in coolant can influence the normal work of data center cooling system 300.
Optionally, in order to be cooled down the coolant of extraction, data center cooling system 300 also includes heat exchange
Device 308, heat exchanger 308 are cooled down using cooling water to the coolant in hot pond 306, and the coolant after cooling is directed back liquid
In cold drop 301 so that the temperature of the coolant in liquid cold drop 301 is maintained in a stable temperature, and can form cooling
The circulation of liquid so that the server 302 being immersed in liquid cold drop 301 plays cooling effect.
Optionally, in embodiments of the present invention, it is cold because heat exchanger 308 is cooled down using cooling water to coolant
But water is also required to radiate after heating, in order to reduce the transformation to existing data center cooling system, and makes full use of certainly
So radiating, reduces energy waste, and data center cooling system 300 also includes outdoor heat dissipation equipment 309, outdoor heat dissipation equipment 309
For being cooled down to cooling water.
Likewise, in embodiments of the present invention, outdoor heat dissipation equipment 309 also includes refrigerating module 3091 and circulating chilled water
Pump 3092, wherein refrigerating module 3091 can have polytype, including：Natural cooling module (refers generally to open type or enclosed cooling
Tower, dry cooler etc.), mechanical refrigeration (refer to the various kinds of equipment using steam compression type refrigerating, such as：Handpiece Water Chilling Units, directly steam
Send out refrigeration unit etc.) and heat recovery equipment (can be all kinds of heat exchangers or water resource heat pump etc.).Refrigerating module
3091 can be one or more kinds of combinations in the said equipment.
Cooling water circulating pump 3092 is used in the cooling water-driven Returning heat-exchanger 308 after cooling so that heat exchanger
Cooling water in 308 is maintained at design temperature.
Optionally, as shown in figure 16, the first entrance 3081 of heat exchanger 308 is connected with the outlet in hot pond 306, heat exchange
The first outlet 3082 of device 308 is connected with the refrigerating module 3091 of outdoor heat dissipation equipment 309, and cooling water passes through refrigerating module 3091
After cooling, Returning heat-exchanger 308, and one end of cold water circulation pump 3092 and refrigerating module 3091 are driven by cold water circulation pump 3092
Connection, the other end of cold water circulation pump 3092 is connected with the second entrance 3083 of heat exchanger 308, cold in heat exchanger 308
But water completes cyclic process.
Optionally, in figure 16, in order to which the coolant cooled down through over-heat-exchanger 308 is quickly returning in liquid cold drop 301, this
Data center cooling system 300 in inventive embodiments also includes coolant recirculation pump 310, one end of coolant recirculation pump 310
It is connected with the second outlet 3084 of heat exchanger 308, the other end of coolant recirculation pump 310 is connected with liquid cold drop 301, is being cooled down
Under the driving of liquid circulating pump 310, the coolant after over-heat-exchanger 308 cools down is re-injected into liquid cold drop 301, realized
The cyclic process of coolant.
Optionally, in embodiments of the present invention, due to there is two independent circulatory systems, i.e., coolant circulation system and
Cooling water recirculation system, two circulatory systems will not influence each other, so optionally, the micropump above server 301
303 are operated with First Speed, and coolant recirculation pump 310 is operated with second speed, First Speed and second speed can with identical,
Can be different.
Optionally, in embodiments of the present invention, as shown in figure 17, determine that the factor of First Speed radiates as needed
The capacity of coolant determines, in order to more accurately adjust the running speed of micropump 303, in data center cooling system
Also include coolant temperature detector 311 in 300, coolant temperature detector 311 is located in liquid cold drop 301, cold for detecting
But the temperature of liquid, coolant temperature detector 311 save the adjustment comparison table of temperature and rotating speed, when it is determined that detects is cold
But when the temperature of liquid needs adjustment, then adjustment signal is sent to micropump 303 so that micropump 303 adjusts First Speed.
Optionally, in order to more accurately determine the temperature of coolant, coolant temperature detector 311 is located at liquid cold drop 301
Porch, detection by coolant recirculation pump 310 drive back liquid cold drop 301 coolant temperature.
In embodiments of the present invention, because there is the limitation of volume in hot pond 306, it have adjusted the First Speed of micropump 303
Afterwards, it is also necessary to be adjusted into the flow of the coolant in hot pond 306, data center cooling system 300 also includes cooling sea water regulating valve
312, cooling sea water regulating valve 312 is located at the porch of heat exchanger 306, and cooling sea water regulating valve 312 is adjusted by aperture regulation
Cooling water flow through over-heat-exchanger.
Optionally, in embodiments of the present invention, data center cooling system 300 also includes cover plate 313, and cover plate 313 is used for
Prevent dust or debris from falling into liquid cold drop 301.Cover plate 313 is designed to that certain weight can be born simultaneously, such as：Lid
Personnel can operate or carry server 302 on plate 313, and O＆M corollary equipment can move on the cover board etc..Cover plate 313 is hiding
The upper area of liquid cold drop 301 is divided into O＆M space while covering liquid cold drop 301, takes full advantage of the sky in vertical direction
Between, improve the space availability ratio of data center.
Above describe two kinds of data center cooling systems, respectively data center cooling system 200 and data center
Cooling system 300, based on above two data center cooling system, in order to preferably in every kind of data center cooling system
Server is radiated, it is specified that in data center cooling system, and server is completely submerged in liquid cold drop, and server
Top and bottom has the first spacing and the second spacing with the liquid level of coolant in liquid cold drop and bottom surface respectively.
The two spacing form the passage of two coolant flows so that coolant being capable of recycle stream between servers
It is dynamic.In addition sufficiently large spacing can improve uniformity of the coolant when being flowed through multiple servers.
Optionally, because circulating pump is located at server top, the first spacing at the top of server with cooling-liquid level can
Ensure that circulating pump fully sucks coolant, without sucking air, the distance of the first spacing is generally 50~100mm.
There is the second spacing server bottom with liquid cold drop bottom, and the temperature that certain volume is stored in this space is relatively low
Coolant.Because the unit volume specific heat capacity of coolant is higher, i.e., it is more to rise the once absorbent heat of institute for coolant temperature.
So even if heat exchanger breaks down, the temperature of whole liquid cold drop only can slowly rise, and can still maintain server normally to transport
Row a period of time.
Optionally, in two kinds of data center cooling systems, the first spacing and the maximum that the second spacing is according to coolant
Design cycle amount determines, for example, when cooling unit is run with design maximum internal circulating load, at the top of server with coolant liquid
The flow velocity in actual internal area that first spacing in face is surrounded with liquid return hole should be maintained in the range of 0.2~0.4m/s, too small
Actual internal area cause circulating pump can not suck enough coolants.Second spacing of server bottom and liquid cold drop bottom with
The flow velocity in actual internal area that liquid outlet is surrounded should be maintained in the range of 0.5~0.8m/s, can be protected in the flow rates
Card coolant, which can compare, uniform flows each server.
For example, as shown in figure 12, in the partial sectional view of data center cooling system 200, the top of server 201 and cooling
The first spacing between liquid liquid level be present, the bottom of server 201 has the second spacing with the bottom of liquid cold drop 202.With reference to shown in Figure 16,
The top of server 302 being immersed in the partial sectional view of data center cooling system 300 in liquid cold drop 301 and coolant liquid
The first spacing between face be present, the bottom of server 302 has the second spacing with the bottom of liquid cold drop 202.
Optionally, in above-mentioned two data center cooling system, mounting bracket is all provided with liquid cold drop, mounting bracket
Position is determined according to the first spacing and the second spacing so that when server is placed in liquid cold drop, mounting bracket can hold clothes
Business device so that the top and bottom of server has the first spacing and second with the liquid level of coolant in liquid cold drop and bottom surface respectively
Spacing.Width between two mounting brackets is set as supporting with General Server, therefore General Server need not be carried out additionally
Structure of modification can be directly placed into liquid cold drop.
For the cooling center in above-described embodiment and data center cooling system, the present invention is provided in a kind of data
The heart, such as Figure 18 and the part-structure profile of data center as shown in figure 19, data center include any described
Cooling center 100, any described data center cooling system 200 and any described data center cooling system 300.
In the embodiment of the present invention, data center can utilize the cooling unit in system to the server placed in systems
Cooled down, compared to traditional data center, reduce the construction cost of data center, improve the reliability of data center.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
- A kind of 1. data center cooling system, it is characterised in that including：Liquid cold drop, for loading coolant；Server, it is placed in the liquid cold drop and is dipped vertically into the coolant；It is provided with and leads above the server Flow tube；The top of the server is the one end of the server away from the liquid cold drop；Micropump, the top of the server is placed on, for the coolant sucked by the mozzle in the liquid cold drop, And the coolant is exported into the liquid cold drop, so that the coolant is cooled.
- 2. data center cooling system according to claim 1, it is characterised in that the data center cooling system also wraps Include：Overflow pipe, one end of the overflow pipe are connected with the micropump, and the overflow pipe is used for the miniature pumped The coolant is converged.
- 3. data center cooling system according to claim 2, it is characterised in that the data center cooling system also wraps Include：Hot pond, the entrance in the hot pond are connected with one end of the overflow pipe, and the hot pond is used for will be cold in the overflow pipe But liquid is converged.
- 4. data center cooling system according to claim 3, it is characterised in that the data center cooling system also wraps Include：Screen pack, the screen pack is between the hot pond and the overflow pipe, for filtering the coolant.
- 5. data center cooling system according to claim 4, it is characterised in that the middle core cooling system also includes： Heat exchanger, outdoor heat dissipation equipment；The first entrance of the heat exchanger is connected with the outlet in the hot pond, the first outlet of the heat exchanger and the room The entrance connection of outer heat dissipation equipment；The outdoor heat dissipation equipment is used to cool down cooling water；The second entrance of the heat exchanger is connected with the outlet of the outdoor heat dissipation equipment, the second outlet of the heat exchanger It is connected with the liquid cold drop；The heat exchanger, for using the coolant in hot pond described in cooling water cooling.
- 6. data center cooling system according to claim 5, it is characterised in that the data center cooling system also wraps Include：Coolant recirculation pump, connected between the second outlet of the heat exchanger and the liquid cold drop by the coolant recirculation pump Connect, the coolant recirculation pump is used for the coolant after the heat exchanger is cooled down and inputs back the liquid cold drop.
- 7. data center cooling system according to claim 6, it is characterised in thatThe micropump is operated with First Speed, and the coolant recirculation pump is operated with second speed.
- 8. according to any described data center cooling system of claim 1~7, it is characterised in that data center's cooling System also includes coolant temperature detector, and the coolant temperature detector is located inside the liquid cold drop, for detecting Coolant temperature is stated, and according to the coolant temperature and the setting relation of the rotating speed of the micropump, is sent out to the micropump Send regulation tach signal.
- 9. data center cooling system according to claim 8, it is characterised in that the data center cooling system also wraps Cooling sea water regulating valve is included, the cooling sea water regulating valve is located at the cooling water inlet end of the heat exchanger, the chilled water modulation Valve is used for the flow by adjusting coolant described in the aperture regulation of the coolant regulating valve.
- A kind of 10. data center, it is characterised in that including：Data center's cooling as claimed in any one of claims 1-9 wherein System.
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| CN201710919786.0A CN107690268B (en) | 2017-09-30 | 2017-09-30 | Data center cooling system and data center |
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| CN115151110A (en) * | 2022-07-20 | 2022-10-04 | 阿里巴巴（中国）有限公司 | Liquid cooling data center test equipment and liquid cooling data center test system |
| CN115406689A (en) * | 2022-08-08 | 2022-11-29 | 国网浙江省电力有限公司杭州供电公司 | A data center test device for simulating server operation based on dummy load |
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