CN207885064U - 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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- CN207885064U CN207885064U CN201721282357.9U CN201721282357U CN207885064U CN 207885064 U CN207885064 U CN 207885064U CN 201721282357 U CN201721282357 U CN 201721282357U CN 207885064 U CN207885064 U CN 207885064U
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Abstract
The utility model provides a kind of data center cooling system and data center, for solving the problems, such as cannot to provide a kind of extensive use, energy-efficient and inexpensive data center cooling system and data center in the prior art.Data center cooling system includes liquid cooling pond, for loading coolant liquid；Cooling unit, unit are placed in liquid cooling pond and are alternately arranged with server；Server, server are placed in liquid cooling pond and immerse in coolant liquid, and flow channel is formed between coolant liquid and server, cooling unit, wherein top, the bottom of server are respectively provided with the first spacing and the second spacing with coolant liquid respectively.In the utility model embodiment, there is spacing between server bottom, top and coolant liquid, resulting difference in height can surround the channel that server forms the coolant flow of comprehensive cooling, coolant liquid is more effectively circulated between cooling unit and server, uniformity of the coolant liquid when being flowed across server is also improved.
Description
Technical field
The utility model is related in liquid cooling technology field more particularly to a kind of data center cooling system and data
The heart.
Background technology
As the whole world is 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, be 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 since the ratio volumetric specific heat capacity of air is relatively low
The mode of server radiating demand has encountered bottleneck.Common air-cooled server rack on the market at present, single rack
The server power that can be carried is 3~20kW.The ratio volumetric specific heat capacity of coolant liquid used in liquid cooling data center is empty
1000~1200 times of gas, this server power that single liquid cooling server rack can be accommodated reaches 20~
100kW is even higher.
In the prior art, have manufacturer and attempt the shell for sealing the electronic component package in entire server at one
Interior, encapsulation is internal to radiate full of coolant liquid, this scheme equally exists that packaging cost is higher, sealing technology is complicated, versatility
The problem of difference.Ye You producers attempt to impregnate server using a kind of low-boiling cooling medium, are constantly steamed by cooling medium
It sends and removes the heat that server generates, liquid is condensed into again using the condenser coil for being connected with cooling water.But such low boiling
The cooling medium price of point is very expensive, and implementing process is more complex, therefore this kind of technology is not yet applied on a large scale.
In conclusion cannot 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.
Utility model content
A kind of data center cooling system of the utility model offer and data center in the prior art cannot for solving
The problem of a kind of extensive use, energy-efficient and inexpensive data center cooling system and data center are provided.
The utility model embodiment provides a kind of data center cooling system, including：Liquid cooling pond, for loading cooling
Liquid；Cooling unit, the cooling unit are placed in the liquid cooling pond and are alternately arranged with the server；Server, it is described
Server is placed in the liquid cooling pond and immerses in the coolant liquid, the coolant liquid and the server, the cooling list
Flow channel is formed between member, wherein top, the bottom of the server are respectively provided with the first spacing with the coolant liquid respectively
With the second spacing.
Further, first spacing and the second spacing are determined according to the design maximum internal circulating load of the coolant liquid
's.
Further, the cooling unit further includes circulating pump and heat exchanger, the circulating pump and the heat exchanger
Configuration compare for N：1, N is the natural number more than zero.
Further, the cooling unit further includes liquid outlet and liquid return hole, and the liquid return hole is used for the service
The coolant liquid on device top is entered by the liquid return hole in the circulating pump；The liquid outlet is handed over for that will pass through the heat
Parallel operation coolant liquid after cooling imports the bottom of the server by the liquid outlet.
Further, the cooling unit further includes the first filter screen for filtering the coolant liquid, first mistake
Strainer is located at the top of the circulating pump.
Further, the data center cooling system further includes cooling water supply pipe, cooling water return pipe and outdoor
Heat dissipation equipment；
One end of the cooling water supply pipe is connect with the water inlet of the heat exchanger of the data center, the other end and institute
State the outlet connection of outdoor heat dissipation equipment；The cooling water supply pipe is used for outdoor heat dissipation equipment cooling water after cooling
Import the heat exchanger；
One end of the cooling water return pipe is connect with the water outlet of the heat exchanger, the other end and the outdoor heat dissipation
The entrance of equipment connects；The cooling water return pipe is used to import for cooling down the cooling water of coolant liquid in the heat exchanger
The outdoor heat dissipation equipment；
The outdoor heat dissipation equipment, for cooling down the cooling water.
Further, the data center cooling system further includes micropump and diversion pipe, and the micropump is placed on
The top of the server, diversion pipe is additionally provided with above the server, and the micropump is used to pass through the diversion pipe
The coolant liquid in the liquid cooling pond is sucked, and the coolant liquid is exported into the liquid cooling pond, so that the coolant liquid is cooled.
Further, the data center cooling system further includes：
Overflow pipe, one end of the overflow pipe are connect with the micropump, and the overflow pipe is used for the miniature pumping
The coolant liquid gone out is converged.
Further, the data center cooling system further includes：
The entrance in hot pond, the hot pond is connect with one end of the overflow pipe, and the hot pond is used for will be in the overflow pipe
Coolant liquid converged.
Further, the data center cooling system further includes：
Second filter screen, second filter screen are described cold for filtering between the hot pond and the overflow pipe
But liquid.
Further, the middle core cooling system further includes：Heat exchanger, outdoor heat dissipation equipment；
The first entrance of the heat exchanger is connect with the outlet in the hot pond, the first outlet of the heat exchanger and institute
State the entrance connection of outdoor heat dissipation equipment；The outdoor heat dissipation equipment is for cooling down cooling water；
The second entrance of the heat exchanger is connect with the outlet of the outdoor heat dissipation equipment, and the second of the heat exchanger
Outlet is connect with the liquid cooling pond；
The heat exchanger, for using the coolant liquid in hot pond described in cooling water cooling.
Further, the data center cooling system further includes：
Coolant recirculation pump is recycled between the second outlet of the heat exchanger and the liquid cooling pond by the coolant liquid
Pump connection, the coolant recirculation pump are used to heat exchanger coolant liquid after cooling inputting go back to the liquid cooling pond.
Further, the micropump is operated with First Speed, and the coolant recirculation pump is operated with second speed.
Further, the data center cooling system further includes coolant temperature detector, the coolant temperature inspection
Device is surveyed to be located inside the liquid cooling pond, for detecting the coolant temperature, and according to the coolant temperature with it is described miniature
The setting relationship of the rotating speed of pump sends to the micropump and adjusts tach signal.
Further, the data center cooling system further includes cooling sea water regulating valve, and the cooling sea water regulating valve is located at
The cooling water inlet end of the heat exchanger, the cooling sea water regulating valve are used for the aperture by adjusting the cooling sea water regulating valve
Adjust the flow of the cooling water.
The utility model embodiment additionally provides a kind of data center, and the data center includes that above-mentioned data center is cold
But system.
In the utility model embodiment, handed over by heat by the coolant liquid of the cycle pumped in data center cooling system
Parallel operation is cooled down, and the cooling water in heat exchanger is radiated by outdoor heat dissipation equipment.The utility model is implemented
Data center cooling system in example is simple in structure compared with traditional cooling system, reduces the construction cost of cooling system.
It, can be in addition, the data center cooling system in the utility model embodiment further includes micropump and coolant recirculation pump
Whole system is allow to be divided into two parts by the independent rotating speed for adjusting two different pumps, a part is liquid cooling pond-
The cycle of heat exchanger, another part are heat exchanger-outdoor heat dissipation equipments, and two parts mutually independent can be run,
It will not influence each other.
In the utility model embodiment, data center can utilize the cooling unit in system to the clothes placed in systems
Business device is cooled down, and is compared traditional data center, is reduced the construction cost of data center, improves the reliable of data center
Property.
In the utility model embodiment, there is spacing between server bottom, top and coolant liquid, it is resulting
Difference in height can surround the channel that server forms the coolant flow of comprehensive cooling so that coolant liquid can more effectively exist
It is circulated between cooling unit and server, also improves uniformity of the coolant liquid when being flowed across server.Also, by
It in by outdoor heat dissipation equipment, is not necessarily to carry out other processing to cooling water, so that it may to cool down cooling water, without using peace
Installation frame places server and does not limit subregion, therefore space utilization to the placement location less-restrictive of cooling unit and server
Rate is high, smaller to the change of data center, reduces the cost of data center.
In the utility model embodiment, data center includes data center cooling system, cooling water supply pipe, return pipe
And outdoor heat dissipation equipment, cold water supplying pipe, which is used to import outdoor heat dissipation equipment to the heat exchanger of data center cooling system, to be dissipated
Cooling water after heat, cooling water return pipe are used to import the cooling water after heating up in the heat exchanger of data center cooling system
It to outdoor heat dissipation equipment, is radiated by outdoor heat dissipation equipment, ensure that the refrigerating function of heat exchanger, and then ensure that
The cooling effect of the server of data center.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art for, without having to pay creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram for cooling unit that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram for another cooling unit that the utility model embodiment provides；
Fig. 3 is that a kind of cooling-water duct for cooling unit that the utility model embodiment provides and door shape coolant liquid are led to
The schematic diagram in road；
Fig. 4 is a kind of cooling-water duct for cooling unit that the utility model embodiment provides and the circular arc with opening
The schematic diagram of shape cooling passage；
Fig. 5 is the arc-shaped of the cooling-water duct of a kind of cooling unit that the utility model embodiment provides and zigzag
The schematic diagram of cooling passage；
A kind of door shape cooling-water duct for cooling unit that Fig. 6 provides for the utility model embodiment and but liquid channel
Schematic diagram；
Fig. 7 be a kind of cooling unit for providing of the utility model embodiment have the arc-shaped cooling-water duct of opening with
And the schematic diagram of cooling passage；
Fig. 8 is partly overlapping cooling-water duct and the cooling for a kind of cooling unit that the utility model embodiment provides
The schematic diagram in liquid channel；
Fig. 9 is a kind of structural schematic diagram for cooling unit that the utility model embodiment provides；
Figure 10 is the structural schematic diagram for another cooling unit that the utility model embodiment provides；
Figure 11 is a kind of cut-away section structural schematic diagram for data center cooling system that the utility model embodiment provides；
Figure 12 is the cut-away section structural representation for another data center cooling system that the utility model embodiment provides
Figure；
Figure 13 is a kind of structural schematic diagram for data center cooling system that the utility model embodiment provides；
Figure 14 is a kind of part-structure schematic diagram for data center cooling system that the utility model embodiment provides；
Figure 15 is a kind of part-structure for data center cooling system including hot pond that the utility model embodiment provides
Schematic diagram；
Figure 16 is in a kind of data including heat exchanger and outdoor heat dissipation equipment that the utility model embodiment provides
The structural schematic diagram of core cooling system；
Figure 17 is include cooling sea water regulating valve and coolant temperature detector one that the utility model embodiment provides
The structural schematic diagram of kind data center cooling system；
Figure 18 is a kind of part-structure schematic diagram for data center that the utility model embodiment provides；
Figure 19 is the part-structure schematic diagram for another data center that the utility model embodiment provides.
Specific implementation mode
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality
It is novel to be described in further detail, it is clear that described embodiment is only the utility model some embodiments, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment for being obtained, shall fall within the protection scope of the present invention.
In the utility model embodiment, data center refers to for disposing a whole set of of computer system and associated components to set
It applies, multiple servers and its corollary equipment can be accommodated.Server in the utility model embodiment, also referred to as servomechanism are to carry
Equipment for calculating service.
The utility model provides a kind of cooling unit 100 for immersion server, as shown in Figure 1, cooling unit 100
Including circulating pump 101 and heat exchanger 102, and cooling unit 100 has the cooling passage of cycle and cooling water logical
Road, cooling passage are used in the outside of heat exchanger 102, cooling-water duct in the inside of heat exchanger 102, circulating pump 101
Drive the cycle behavior of cooling passage.
In the utility model embodiment, coolant liquid is a kind of liquid having certain dielectric strength, on server 130
All kinds of electronic building bricks normal operation and can need not carry out any transformation in the liquid.In addition, coolant liquid should also have not
The characteristics such as inflammable, nontoxic, free from extraneous odour.Optionally, coolant liquid can be but not limited to mineral oil, synthetic oil or hydrofluoroether etc..
There are two circulation canals for the tool of cooling unit 100 in the utility model embodiment, real by the cycle of cooling water
The cycle of existing coolant liquid, so as to carry out heat exchange in 102 part of heat exchanger, so as to be cooled down to coolant liquid.
Optionally, the circulating pump 101 in the cooling unit 100 in the utility model embodiment and heat exchanger 102
Allocation ratio is N：1, N is the natural number more than zero, that is to say, that in the utility model embodiment, a cooling unit 100
In, may exist multiple circulating pumps 101 and a heat exchanger 102, such as shown in Fig. 2, wrapped in each cooling unit 100
Include two circulating pumps 101 and a heat exchanger 102, that is to say, that, can by the ringing of two circulating pumps 101
The cycle for accelerating coolant liquid, also just accelerates the cooling of coolant liquid.
Optionally, in the utility model embodiment, in order to which there are two independent circulation canal, cooling units 100
In further include liquid outlet 103 and liquid return hole 104, liquid outlet 103, liquid return hole 104 and circulating pump 101 constitute coolant liquid and follow
Ring channel.
Optionally, in the utility model embodiment, the path of cooling passage is door shape or the circle with opening
Arc either zigzag, for example, as shown in figure 3, the path of cooling passage be door shape, then can determine liquid outlet 103 with
And liquid return hole 104 is located at the lower part of cooling unit 100, and liquid outlet 103 and liquid return hole 104 are located under cooling unit 100
The both sides in portion, so as to make the path of cooling passage be door shape.
For example, as shown in figure 4, the path of cooling passage be the arc with opening, then liquid return hole 104 can be arranged
In the top of cooling unit 100, liquid outlet 103 is set to the lower part 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 lower part 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.
It in the above-described embodiments, being capable of bigger when the path of cooling passage is arc or zigzag with opening
Area makes coolant liquid be flowed, so having better cooling effect.
Optionally, in the utility model embodiment, heat exchanger 102 further includes water outlet 105 and water inlet 106,
Water outlet 105 and water inlet 106, heat exchanger 102 constitute the circulation canal of cooling water.That is, passing through water inlet
Then 106 coolant liquid is exported through over-heat-exchanger 102 through water outlet 105, constitute independent cooling water circulation channel.
Optionally, in the utility model embodiment, water outlet 105 is located at the position of heat exchanger 102 with water inlet 106
Difference determines the different paths in cooling water circulation channel.For example, as shown in fig. 6, water outlet 105 is respectively positioned on water inlet 106
The path of the bottom of heat exchanger 102, the then cooling-water duct constituted is similar door shape；As shown in fig. 7, working as water outlet 105
Positioned at the bottom of heat exchanger 102, water inlet 106 is located at the top of heat exchanger 102, the then path of the cooling-water duct constituted
For with the arc-shaped of opening.
Optionally, in the utility model embodiment, since liquid outlet 103 and 104 position of liquid return hole are different, can change
The circulation canal path of coolant liquid, and the position of water outlet 105 and water inlet 106 is different, the cycle that can change cooling water is logical
Path partly overlaps so may exist between the circulation canal path of coolant liquid and the circulation canal path of cooling water, example
As shown in figure 8, when liquid return hole 104 is located at the top of cooling unit 100, liquid outlet 103 is located at the lower part of cooling unit 100, and
Liquid return hole 104 and liquid outlet 103 are located at the homonymy of cooling unit 100, when water outlet 105 is located at the bottom of heat exchanger 102, enter
The mouth of a river 106 is located at the top of heat exchanger 102, then there are portions between the path of the cooling-water duct and cooling passage that constitute
Divide overlapping.
Optionally, in the utility model embodiment, in order to increase the film-cooled heat to coolant liquid, heat exchanger
Cooling water pipeline in 102 can fold close-packed arrays, increase the transmission volume of cooling water, also improve the cooling of coolant liquid
Efficiency, for example, as shown in figure 9, in heat exchanger 102 cooling water pipe folding be arranged closely in heat exchanger 102, Neng Gouzeng
The volume for adding cooling water, more effectively improves heat exchange efficiency.
Optionally, in the utility model embodiment, heat exchanger 102 can be that shell and tube exchanger or board-like heat are handed over
Parallel operation.
Optionally, as shown in Figure 10, cooling center 100 further includes kuppe 107, and kuppe 107 is located at cooling passage
In, and 107 user's fixed cycles of kuppe pump 101, and kuppe 107 has the function of water conservancy diversion, and circulating pump 101 is sucked
In coolant liquid water conservancy diversion to heat exchanger 102.The shape of kuppe 107 can be funnel type, convenient for guiding the coolant into heat friendship
In parallel operation 102.
Optionally, cooling unit 100 further includes filter screen 108, and filter screen 108 is located in cooling passage, will prepare to inhale
The coolant liquid entered into heat exchanger 102 is filtered, and prevents impurity effect in coolant liquid to cooling effect.For better mistake
Effect is filtered, optionally, filter screen 108 is located at the top of kuppe 107, can filter the cooling not entered in 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, water outlet 105, water inlet 106, kuppe 107 and filter screen 108；In the utility model embodiment, follow
The ratio of ring pump 101 and heat exchanger 102 is 2：1, filter screen 108 is located at the top of cooling unit 100, and liquid return hole 104 is located at
The top of cooling unit 100, kuppe 107 pump 101 for fixed cycles, and circulating pump 101 is located at the top of heat exchanger 102,
Liquid outlet 103 is located at the lower part of cooling unit 100, and liquid return hole 104 and liquid outlet 103 are in the homonymy of cooling unit 100.
Water outlet 105 is located at the lower part of cooling unit 100, and water inlet 106 is located at the top of cooling unit 100, and is discharged
Mouth 105 is located at the homonymy of cooling unit 100 with water inlet 106.
In the utility model embodiment, cooling passage is liquid return hole 104, kuppe 107, filter screen 108, circulating pump
101 and the path that is formed of liquid outlet 103, the path of cooling passage is the arc with opening, and cooling-water duct is into water
The path in the path that mouth 106, heat exchanger 102 and water outlet 105 are formed, cooling-water duct is the arc with opening.
The utility model embodiment additionally provides a kind of cooling unit in any embodiments of above-mentioned Fig. 1~Figure 10
100 data center cooling system 200, in data center cooling system 200, cooling unit 100 is used for cold to data center
But the server 201 in system 200 is cooled down, so the data center cooling system 200 in the utility model embodiment
Including at least liquid cooling pond 202 as shown in figure 11, cooling unit 100 and server 201.
Optionally, in the utility model embodiment, liquid cooling pond 202 is an opened upper end, is surrounded by four walls and bottom surface
The structure with certain internal capacity, the internal capacity in liquid cooling pond 202 is full of coolant liquid.
In the utility model embodiment, coolant liquid is a kind of liquid having certain dielectric strength, on server 130
All kinds of electronic building bricks normal operation and can need not carry out any transformation in the liquid.In addition, coolant liquid should also have not
The characteristics such as inflammable, nontoxic, free from extraneous odour.Optionally, coolant liquid can be but not limited to mineral oil, synthetic oil or hydrofluoroether etc..
In the utility model embodiment, coolant liquid is loaded in liquid cooling pond 202, server 201 is dipped vertically into liquid cooling
In pond 202, and the liquid level in liquid cooling pond 202 is higher than the top of server 201, and cooling unit 100 is also immersed in liquid cooling pond 202,
Cooling unit 100 replaces placement with server 201.
Server 201 freely can be proposed liquid cooling pond 100 vertically upward, or be placed into liquid cooling pond vertically downward
100, do not interfere with the working condition of other servers 201 in the process placed or extracted.
Optionally, in the utility model embodiment, server 201 is vertically disposed in liquid cooling pond 202, each to take
Business device 201 is closely adjacent to be arranged in liquid cooling pond 202 so that can be more as far as possible in liquid cooling pond 202 in unit area
Place server 201.
In the utility model embodiment, cooling unit 100 and the ratio of server 201 can be 1：1 setting, can also
It is N：1 setting, N are the natural number more than zero.Optionally, in the utility model embodiment, the both sides of each cooling unit 100
It is each that there are one server 201, i.e. any one cooling unit 100 cooling unit 100 adjacent thereto can form redundant configuration,
When one cooling unit 100 breaks down, the server 201 that adjacent cooling unit 100 can continue as periphery radiates.
Optionally, in the utility model embodiment, the coolant liquid in data center cooling system 200 and cooling water
Cyclic process it is as shown in figure 12, in the utility model embodiment, cooling unit 100 includes circulating pump 101 and heat exchange
Device 102, including liquid outlet 103 and liquid return hole 104, including water outlet 105 and water inlet 106, including kuppe 107, in number
According to the server 201 in middle core cooling system 200 further including adjacent laying, cooling center 100 is submerged in liquid with server 201
In cold drop 202.
For circulating pump 101 by the coolant liquid sucking cooling unit 100 of 100 both sides of cooling unit, heat exchanger 102 is used for will
The coolant liquid of sucking is cooled down, and discharges coolant liquid again carry out in liquid cooling pond 202 after the cooling period.
In data center cooling system 200 in the utility model embodiment, in order to reduce to existing data center
The transformation of cooling system, and natural heat dissipation is made full use of, reduce energy waste, the data center in the utility model embodiment
Cooling system 200 further includes outdoor heat dissipation equipment 203, and outdoor heat dissipation equipment 203 is handed over for being cooled down to cooling water when in heat
After parallel operation 102 carries out heat exchange, the temperature of cooling water can increase, in order to persistently be cooled down to coolant liquid, the cooling after heating
Water is cooled down, and is radiated by outdoor heat dissipation equipment 203 in the utility model embodiment.
Optionally, in the utility model embodiment, as shown in figure 13, data center cooling system 200 further includes cooling
Water feed pipe 204 and cooling water return pipe 205, one end of cooling water supply pipe 204 and the water outlet 105 of cooling unit 100
Connection, the other end of cooling water supply pipe 204 are connect with outdoor heat dissipation equipment 203, one end of cooling water return pipe 205 and cooling
The water inlet 106 of unit 100 connects, and the other end of cooling water return pipe 205 is connect with outdoor heat dissipation equipment 203.
Optionally, in the utility model embodiment, outdoor heat dissipation equipment 203 further includes refrigerating module 2031 and cold water
Circulating pump 2032, wherein refrigerating module 2031 can there are many types, 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：It is handpiece Water Chilling Units, straight
Connect sweat cooling unit etc.) and heat recovery equipment (can be all kinds of heat exchangers, can also be water resource heat pump etc.).Cooling mould
Block 2031 can be one or more kinds of combinations in above equipment.
Cooling water circulating pump 2032 is for driving cooling water to be recycled between each cooling unit 100 and refrigerating module 2031.
Heat exchange is carried out with coolant liquid in heat exchanger 102 of the cooling water in cooling unit 100, absorbs the heat in coolant liquid.It inhales
Cooling water after heat enters cooling water supply pipe 204 by water outlet 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.Pass through by cooling water after cooling again
Cooling water return pipe 205 is transported in the heat exchanger 102 in each cooling unit 100.
In the utility model embodiment, the coolant liquid of the higher temperature on 202 top of liquid cooling pond be maintained at one it is specific
Within the temperature range of, it can guarantee reduce cooling clothes to the greatest extent while multiple servers 201 are sufficiently cooled within this temperature range
The energy that business device is consumed.In general, which is generally 35~48 DEG C.Since the temperature is higher than most area
Environment temperature, therefore the heat dissipation of liquid cooling data center can be met in most area using natural heat dissipation, need not be additional
Mechanical refrigeration.
Optionally, in the utility model embodiment, data center cooling system 200 further includes cover board 206, cover board 206
For preventing dust or sundries from falling into liquid cooling pond 202.Cover board 206 is designed to that certain weight can be born simultaneously, such as：
Personnel can operate or carry server 201 on cover board 206, and O＆M corollary equipment can move on the cover board etc..Cover board 206 exists
202 upper area of liquid cooling pond is divided into O＆M space while covering liquid cooling pond 202, takes full advantage of the sky in vertical direction
Between, improve the space availability ratio of data center.
It is also another other than the data center cooling system 200 in above-described embodiment in the utility model embodiment
Data center cooling system 300 is planted, cooling unit 100 is not used in data center cooling system 300, but includes to fill
The liquid cooling pond 301 of coolant liquid, the server 302 being immersed in liquid cooling pond 301 and the micropump that side on a server 302 is set
303；By diversion pipe 304 liquid cooling pond is sucked out in coolant liquid in liquid cooling pond by micropump 303, and coolant liquid is enable to be cooled down,
And the coolant liquid of 302 top of server, which is sucked out, by micropump 303 can be such that the coolant liquid formation in liquid cooling pond 301 follows
Ring can be preferably that the server 302 being immersed in liquid cooling pond 301 radiates.
Optionally, in the utility model embodiment, liquid cooling pond 301 is an opened upper end, is surrounded by four walls and bottom surface
The structure with certain internal capacity, the internal capacity in liquid cooling pond 301 is full of coolant liquid.Optionally, in the utility model reality
It applies in example, coolant liquid is a kind of liquid having certain dielectric strength, and all kinds of electronic building bricks on server 302 can be in the liquid
Internal normal operation and any transformation need not be carried out.In addition, coolant liquid should also have the characteristics such as nonflammable, nontoxic, free from extraneous odour.
Optionally, coolant liquid can be but not limited to mineral oil, synthetic oil or hydrofluoroether etc..
As shown in figure 14, micropump 303 is located at the top of server 302, matching between micropump 303 and server 302
It can be N to set：1, N is 0 natural number；Circulating pump 303 is arranged in column as server 302, in a liquid cooling pond 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, near the coolant rate pumped of circulating pump 303 can still maintain this regional service
302 radiating requirements of device.
In the utility model embodiment, the effect of diversion pipe 304 is to constrain the flowing of coolant liquid, ensures circulating pump 303
The coolant liquid on 302 top of server can equably be sucked.Only there are one apertures for the suction inlet of general circulating pump 303, directly use
The coolant liquid that suction inlet extraction coolant liquid will appear 302 top of part server is extracted more, another part server 302
The less or even immobilising situation that the coolant liquid on top is extracted.So using diversion pipe in the utility model embodiment
304 constrain the flowing of coolant liquid, ensure that circulating pump 303 equably sucks the coolant liquid on 302 top of server.
Optionally, in the utility model embodiment, diversion pipe 304 can be rectangular tube closed at both ends, on rectangular tube
Portion is connect with the suction inlet of circulating pump 303, and rectangular tube is provided with several apertures in the side towards server 302.
Optionally, in the utility model embodiment, data center cooling system 300 as shown in figure 15, in order to
Convenient for collecting the coolant liquid that multiple circulating pumps 303 extract, data center cooling system 300 further includes overflow pipe 305；Overflow pipe
305 are used for converging the coolant liquid that the circulating pump 305 that a row or one arrange extracts.
Optionally, in the utility model embodiment, assemble for the ease of the coolant liquid after converging overflow pipe 305
Come, also allows for handling the coolant liquid that convergence is got up, data center cooling system 300 further includes hot pond 306, hot pond 306
It is connect with multiple overflow pipes 305, and the coolant liquid that overflow pipe 305 converges is converged, and do not interfere with the work of circulating pump 305
Make state.
Optionally, the stability recycled for coolant liquid in guarantee system, the dischargeable capacity in hot pond 306 is generally wanted to accommodate cold
But the internal circulating load of 10~15min of liquid.
Optionally, in the utility model embodiment, data center cooling system 300 further includes filter screen 307, filter screen
307 between hot pond 306 and overflow pipe 305, and filter screen 307 is used to carry out the coolant liquid that will go into hot pond 306
Filter, in case the impurity in coolant liquid can influence the normal work of data center cooling system 300.
Optionally, in order to make the coolant liquid of extraction be cooled down, data center cooling system 300 further includes heat exchange
Device 308, heat exchanger 308 cool down the coolant liquid in hot pond 306 using cooling water, and coolant liquid after cooling is directed back liquid
In cold drop 301 so that the temperature of the coolant liquid in liquid cooling pond 301 is maintained in a stable temperature, and can constitute cooling
The cycle of liquid so that the server 302 being immersed in liquid cooling pond 301 plays cooling effect.
Optionally, in the utility model embodiment, since heat exchanger 308 is cold to coolant liquid progress using cooling water
But, cooling water is also required to radiate after heating, in order to reduce the transformation to existing data center cooling system, and fully profit
With natural heat dissipation, energy waste is reduced, data center cooling system 300 further includes outdoor heat dissipation equipment 309, outdoor heat dissipation equipment
309 for cooling down cooling water.
Likewise, in the utility model embodiment, outdoor heat dissipation equipment 309 further includes refrigerating module 3091 and cold water
Circulating pump 3092, wherein refrigerating module 3091 can there are many types, 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：It is handpiece Water Chilling Units, straight
Connect sweat cooling unit etc.) and heat recovery equipment (can be all kinds of heat exchangers, can also be water resource heat pump etc.).Cooling mould
Block 3091 can be one or more kinds of combinations in above equipment.
Cooling water circulating pump 3092 is used for will be in cooling water-driven Returning heat-exchanger 308 after cooling so that heat exchanger
Cooling water in 308 is maintained at set temperature.
Optionally, as shown in figure 16, the first entrance 3081 of heat exchanger 308 is connect with the outlet in hot pond 306, heat exchange
The first outlet 3082 of device 308 is connect with the refrigerating module 3091 of outdoor heat dissipation equipment 309, and cooling water passes through refrigerating module 3091
After cooling, one end of Returning heat-exchanger 308 and 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 connect 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 liquid cooled down through over-heat-exchanger 308 is quickly returning in liquid cooling pond 301, this
Data center cooling system 300 in utility model embodiment further includes coolant recirculation pump 310, coolant recirculation pump 310
One end is connect with the second outlet 3084 of heat exchanger 308, and the other end of coolant recirculation pump 310 is connect with liquid cooling pond 301,
Under the driving of coolant recirculation pump 310, it will be re-injected into liquid cooling pond 301 through 308 coolant liquid after cooling of over-heat-exchanger,
Realize the cyclic process of coolant liquid.
Optionally, in the utility model embodiment, since there are two the independent circulatory systems, i.e. coolant circulation system
And cooling water recirculation system, two circulatory systems will not influence each other, so optionally, being located at the micro- of 301 top of server
Type pump 303 is operated with First Speed, and coolant recirculation pump 310 is operated with second speed, and First Speed can phase with second speed
Together, it can also be different.
Optionally, in the utility model embodiment, as shown in figure 17, determine that the factor of First Speed is to dissipate as needed
The capacity of the coolant liquid of heat determines, in order to more accurately adjust the running speed of micropump 303, in data center's cooling system
Further include coolant temperature detector 311 in system 300, coolant temperature detector 311 is located in liquid cooling pond 301, for detecting
The temperature of coolant liquid, coolant temperature detector 311 save temperature and the adjustment relationship table of rotating speed, when determining detection
When the temperature of coolant 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 liquid, coolant temperature detector 311 is located at liquid cooling pond 301
Inlet, detection by coolant recirculation pump 310 drive back liquid cooling pond 301 coolant liquid temperature.
In the utility model embodiment, since there is the limitation of volume in hot pond 306, the first of micropump 303 is being had adjusted
After speed, it is also necessary to be adjusted into the flow of the coolant liquid in hot pond 306, data center cooling system 300 further includes cooling water tune
Save valve 312, cooling sea water regulating valve 312 is located at the inlet of heat exchanger 306, cooling sea water regulating valve 312 by aperture regulation come
Adjust the cooling water flow through over-heat-exchanger.
Optionally, in the utility model embodiment, data center cooling system 300 further includes cover board 313, cover board 313
For preventing dust or sundries from falling into liquid cooling pond 301.Cover board 313 is designed to that certain weight can be born simultaneously, than
Such as：Personnel can operate or carry server 302 on cover board 313, and O＆M corollary equipment can move on the cover board etc..Cover board
301 upper area of liquid cooling pond is divided into O＆M space by 313 while covering liquid cooling pond 301, takes full advantage of vertical direction
On space, 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 is based on above two data center cooling system, in order to preferably in each data center cooling system
Server is radiated, it is specified that in data center cooling system, and server is completely submerged in liquid cooling pond, and server
Top and bottom has the first spacing and the second spacing with the liquid level of coolant liquid in liquid cooling pond and bottom surface respectively.
The two spacing form the channel of two coolant flows so that coolant liquid being capable of recycle stream between servers
It is dynamic.In addition sufficiently large spacing can improve uniformity of the coolant liquid when being flowed across multiple servers.
It optionally, can with the first spacing of cooling-liquid level at the top of server since circulating pump is located at server top
Ensure that circulating pump fully sucks coolant liquid, without sucking air, the distance of the first spacing is generally 50~100mm.
There is the second spacing in server bottom with liquid cooling bottom of pond portion, and the temperature that certain volume is stored in this space is lower
Coolant liquid.Since the unit volume specific heat capacity of coolant liquid 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 in entire liquid cooling pond only can slowly rise, and can still server be maintained 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 liquid
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 liquid
The flow velocity in actual internal area that first spacing in face is surrounded with liquid return hole should be maintained within the scope of 0.2~0.4m/s, too small
Actual internal area cause circulating pump that can not suck enough coolant liquids.Second spacing in server bottom and liquid cooling bottom of pond portion with
The flow velocity in actual internal area that liquid outlet is surrounded should be maintained within the scope of 0.5~0.8m/s, can be protected in the flow rates
Card coolant liquid can be relatively uniform flow through each server.
For example, as shown in figure 12, in the partial sectional view of data center cooling system 200,201 top of server and cooling
There are the first spacing between liquid liquid level, there are the second spacing with 202 bottom of liquid cooling pond for 201 bottom of server.In conjunction with shown in Figure 16,
In the partial sectional view of data center cooling system 300,302 top of server and the coolant liquid liquid that are immersed in liquid cooling pond 301
There are the first spacing between face, there are the second spacing with 202 bottom of liquid cooling pond for 302 bottom of server.
Optionally, in above-mentioned two data center cooling system, mounting bracket is all provided in liquid cooling pond, mounting bracket
Position is determined according to the first spacing and the second spacing so that when placing server in liquid cooling pond, 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 liquid in liquid cooling pond and bottom surface respectively
Spacing.Width between two mounting brackets is set as mating with General Server, therefore General Server need not carry out additionally
Structure of modification can be directly placed into liquid cooling pond.
For in above-described embodiment cooling center and data center cooling system, the utility model a kind of data are provided
Center, such as such as Figure 18 and the part-structure sectional view of data center as shown in figure 19, data center includes arbitrary institute
Cooling center 100, the arbitrary data center cooling system 200 and the arbitrary data center cooling system stated
300。
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (17)
1. a kind of data center cooling system, which is characterized in that including：
Liquid cooling pond, for loading coolant liquid；
Cooling unit, the cooling unit are placed in the liquid cooling pond and are alternately arranged with server；
The server, the server are placed in the liquid cooling pond and immerse in the coolant liquid, the coolant liquid and institute
State and form flow channel between server, the cooling unit, wherein the top of the server, bottom respectively with it is described cold
But liquid is respectively provided with the first spacing and the second spacing.
2. data center cooling system according to claim 1, which is characterized in that first spacing and the second spacing are
It is determined according to the design maximum internal circulating load of the coolant liquid.
3. data center cooling system according to claim 1, which is characterized in that the cooling unit further includes circulating pump
And heat exchanger, the configuration of the circulating pump and the heat exchanger are compared for N：1, N is the natural number more than zero.
4. data center cooling system according to claim 3, which is characterized in that the cooling unit further includes liquid outlet
And liquid return hole, the liquid return hole are used for the coolant liquid on the server top by being followed described in liquid return hole entrance
In ring pump；The liquid outlet imports the clothes for that will pass through heat exchanger coolant liquid after cooling by the liquid outlet
The bottom of business device.
5. the cooling system of data center according to claim 3, which is characterized in that the cooling unit further includes being used for
The first filter screen of the coolant liquid is filtered, first filter screen is located at the top of the circulating pump.
6. data center cooling system according to claim 1, which is characterized in that the data center cooling system also wraps
Include cooling water supply pipe, cooling water return pipe and outdoor heat dissipation equipment；
One end of the cooling water supply pipe is connect with the water inlet of the heat exchanger of the data center, the other end and the room
The outlet of outer heat dissipation equipment connects；The cooling water supply pipe is used to import the outdoor heat dissipation equipment cooling water after cooling
The heat exchanger；
One end of the cooling water return pipe is connect with the water outlet of the heat exchanger, the other end and the outdoor heat dissipation equipment
Entrance connection；The cooling water return pipe is used to be used to cool down in the heat exchanger described in the cooling water importing of coolant liquid
Outdoor heat dissipation equipment；
The outdoor heat dissipation equipment, for cooling down the cooling water.
7. data center cooling system according to claim 1, which is characterized in that the data center cooling system also wraps
Micropump and diversion pipe are included, the micropump is placed on the top of the server, is additionally provided with above the server
Diversion pipe, the micropump are used to suck the coolant liquid in the liquid cooling pond by the diversion pipe, and the coolant liquid is defeated
Go out the liquid cooling pond, so that the coolant liquid is cooled.
8. data center cooling system according to claim 7, which is characterized in that the data center cooling system also wraps
It includes：
Overflow pipe, one end of the overflow pipe are connect with the micropump, and the overflow pipe is used for the miniature pumped
The coolant liquid is converged.
9. data center cooling system according to claim 8, which is characterized in that the data center cooling system also wraps
It includes：
The entrance in hot pond, the hot pond is connect 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.
10. data center cooling system according to claim 9, which is characterized in that the data center cooling system is also
Including：
Second filter screen, second filter screen is between the hot pond and the overflow pipe, for filtering the coolant liquid.
11. data center cooling system according to claim 10, which is characterized in that the middle core cooling system also wraps
It includes：Heat exchanger, outdoor heat dissipation equipment；
The first entrance of the heat exchanger is connect with the outlet in the hot pond, the first outlet of the heat exchanger and the room
The entrance of outer heat dissipation equipment connects；The outdoor heat dissipation equipment is for cooling down cooling water；
The second entrance of the heat exchanger is connect with the outlet of the outdoor heat dissipation equipment, the second outlet of the heat exchanger
It is connect with the liquid cooling pond；
The heat exchanger, for using the coolant liquid in hot pond described in cooling water cooling.
12. data center cooling system according to claim 11, which is characterized in that the data center cooling system is also
Including：
Coolant recirculation pump is connected between the second outlet of the heat exchanger and the liquid cooling pond by the coolant recirculation pump
It connects, the coolant recirculation pump is used to heat exchanger coolant liquid after cooling inputting go back to the liquid cooling pond.
13. data center cooling system according to claim 12, which is characterized in that
The micropump is operated with First Speed, and the coolant recirculation pump is operated with second speed.
14. according to any data center cooling systems of claim 11-13, which is characterized in that the data center is cold
But system further includes coolant temperature detector, and the coolant temperature detector is located inside the liquid cooling pond, for detecting
The coolant temperature, and according to the setting relationship of the coolant temperature and the rotating speed of the micropump, to the micropump
It sends and adjusts tach signal.
15. data center cooling system according to claim 14, which is characterized in that the data center cooling system is also
Including cooling sea water regulating valve, the cooling sea water regulating valve is located at the cooling water inlet end of the heat exchanger, the cooling water tune
Save the flow that valve is used to pass through cooling water described in the aperture regulation for adjusting the cooling sea water regulating valve.
16. a kind of data center, which is characterized in that including：Data center cooling system as claimed in claim 6.
17. a kind of data center, which is characterized in that including：Data center cooling system as claimed in claim 15.
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| CN201721282357.9U CN207885064U (en) | 2017-09-30 | 2017-09-30 | A kind of data center cooling system and data center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690267A (en) * | 2017-09-30 | 2018-02-13 | 深圳绿色云图科技有限公司 | A kind of data center cooling system and data center |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690267A (en) * | 2017-09-30 | 2018-02-13 | 深圳绿色云图科技有限公司 | A kind of data center cooling system and data center |
| CN107690267B (en) * | 2017-09-30 | 2023-11-28 | 深圳绿色云图科技有限公司 | Data center cooling system and data center |
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