CN107940643A - Cooling system for data center - Google Patents
Cooling system for data center Download PDFInfo
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- CN107940643A CN107940643A CN201711193786.3A CN201711193786A CN107940643A CN 107940643 A CN107940643 A CN 107940643A CN 201711193786 A CN201711193786 A CN 201711193786A CN 107940643 A CN107940643 A CN 107940643A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention proposes a kind of cooling system for data center, and data center includes computer room and the air conditioning room set close to computer room, and cooling system includes：The cold unit of table, is arranged at the return air inlet between the computer room of data center and air conditioning room, for cooling down the air in computer room, and will be provided to air conditioning room through overcooled air；Cooling tower, is connected via liquid supply pipe and liquid back pipe with the cold unit of table, for cooling down for the coolant in the cold unit of table；And circulating pump, it is arranged between the cold unit of table and cooling tower, for the coolant to cool down via cooling tower to be supplied to the cold unit of table, and heated coolant is supplied to cooling tower.It is thus possible to computer room is cooled down using natural cold quantity in air, so as to significantly reduce the power consumption of computer-room air conditioning system.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of cooling system for data center.
Background technology
Fast development and information technology advancement with big data, Internet of Things and artificial intelligence, to data central store, meter
Calculate Capability Requirement to be continuously improved, the installation scale at driving data center constantly expands so that power consumption and operating cost are rapidly
It is soaring.Since computer equipment largely radiates, while reliable power supply is ensured, it is also necessary to provide whole year for data center machine room
24 uninterrupted coolings when small.Therefore, cooling is that maximum energy consumption is paid in addition to computer equipment power consumption itself.Using
The data center of traditional air cooling air conditioner, even more than air-conditioning power consumption bigger, computer equipment power consumption itself, causes machine
The energy utilization efficiency (PUE) in room is more than 2.0, it is difficult to reduces data center's operating cost, can not even more realize energy-saving and emission-reduction
Target.
The content of the invention
The embodiment of the present invention provides a kind of cooling system for data center, at least to solve more than of the prior art
Technical problem.
In a first aspect, an embodiment of the present invention provides a kind of cooling system for data center, data center includes machine
Room and the air conditioning room set close to computer room, wherein, cooling system includes：
The cold unit of table, is arranged at the return air inlet between the computer room of data center and air conditioning room, for cooling down in computer room
Air, and air conditioning room will be provided to through overcooled air；
Cooling tower, is connected via liquid supply pipe and liquid back pipe with the cold unit of table, for cooling down for the coolant in the cold unit of table；
And
Circulating pump, is arranged between the cold unit of table and cooling tower, for the coolant to cool down via cooling tower to be supplied to
The cold unit of table, and heated coolant is supplied to cooling tower.
With reference to first aspect, in the first embodiment of first aspect, which further includes the present invention：
The first temperature sensor being arranged on the cold unit of table, for detecting the temperature of the cold unit of table, and by the temperature of detection
Degree is sent to the first control unit；
First control unit, the temperature for being detected according to the first temperature sensor send control signal to regulating valve；With
And
The regulating valve being arranged between the cold unit of table and cooling tower, is adjusted for the control signal according to the first control unit
The flow for the coolant through the cold unit of table that throttles.
With reference to first aspect, in the second embodiment of first aspect, which further includes the present invention：It is arranged on
The air cooling air conditioner of air conditioning room, data center is supplied to for the fan by air cooling air conditioner by the air of cooling via air conditioning room
Computer room.
With reference to first aspect, in the 3rd embodiment of first aspect, which further includes the present invention：
Second temperature sensor, second is sent to for detecting the environment temperature outside data center, and by environment temperature
Control unit；And
Second control unit, for the environment temperature detected according to second temperature sensor, control loop pump and air-cooled sky
The work of the refrigeration unit of tune.
The third embodiment with reference to first aspect, the present invention is in the 4th embodiment of first aspect, when second
When the environment temperature that temperature sensor detects is less than first threshold, the second control unit is used for control loop pump work, and
The refrigeration unit of control air cooling air conditioner does not work；When the environment temperature that second temperature sensor detects is higher than first threshold and low
When second threshold, the second control unit is used for control loop pump and the refrigeration unit of air cooling air conditioner works at the same time, wherein, second
Threshold value is more than first threshold；And when the environment temperature that second temperature sensor detects is higher than second threshold, the second control
Unit is used for control loop air pump inoperative, and controls the refrigeration unit of air cooling air conditioner to work.
With reference to first aspect, for the present invention in the 5th embodiment of first aspect, the cold unit of table is vertical in return air inlet
Set in the side wall of return air inlet.
With reference to first aspect, for the present invention in the sixth embodiment of first aspect, the cold unit of table is opposite in return air inlet
Set in the sidewall slope of return air inlet.
With reference to first aspect, for the present invention in the 7th embodiment of first aspect, cooling system includes the cold list of multiple tables
Member, wherein, two cold units of table that the cold unit of each two table is formed in one group, one group in multiple cold units of table are arranged in V-shape.
A technical solution in above-mentioned technical proposal has the following advantages that or beneficial effect：
Cooling system according to embodiments of the present invention, utilizes the return air being arranged between the computer room of data center and air conditioning room
The cold unit of table at mouthful makes return air be cooled to design temperature by Surface cooling coil.Can be using natural cold quantity in air to computer room
Cooled down, so as to significantly reduce the power consumption of computer-room air conditioning system.
Above-mentioned general introduction is merely to illustrate that the purpose of book, it is not intended to is limited in any way.Except foregoing description
Schematical aspect, outside embodiment and feature, it is further by reference to attached drawing and the following detailed description, the present invention
Aspect, embodiment and feature would is that what is be readily apparent that.
Brief description of the drawings
In the accompanying drawings, unless specified otherwise herein, otherwise represent the same or similar through the identical reference numeral of multiple attached drawings
Component or element.What these attached drawings were not necessarily to scale.It should be understood that these attached drawings depict only according to the present invention
Some disclosed embodiments, and should not serve to limit the scope of the present invention.
Fig. 1 is the structure diagram according to the cooling system for data center of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the cold unit control system of table in the cooling system according to the embodiment of the present invention；
Fig. 3 is the schematic diagram of the control system based on environment temperature in the cooling system according to the embodiment of the present invention；And
Fig. 4 A to Fig. 4 D are the schematic diagram according to the cold unit of table of the embodiment of the present invention.
Embodiment
Hereinafter, some exemplary embodiments are simply just described.As one skilled in the art will recognize that
Like that, without departing from the spirit or scope of the present invention, described embodiment can be changed by various different modes.
Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.
Fig. 1 shows the structure diagram of the cooling system for data center according to embodiments of the present invention.Such as Fig. 1 institutes
Show, data center includes computer room 10 and the air conditioning room 20 set close to computer room 10.The cooling system includes：The cold unit 4 of table, is set
At return air inlet between the computer room 10 and air conditioning room 20 of data center, for cooling down the air in computer room 10, and will be through supercooling
But air is provided to air conditioning room 20；Cooling tower 8, is connected via liquid supply pipe and liquid back pipe unit 4 cold with table, for for the cold list of table
Coolant cooling in member 4；And circulating pump 7, it is arranged between the cold unit 4 of table and cooling tower 8, for will be via cooling tower 8
The coolant of cooling is supplied to the cold unit 4 of table, and heated coolant is supplied to cooling tower 8.
As shown in Figure 1, in an embodiment in accordance with the invention, air inlet duct 11 is set under the floor of computer room 10.Inlet air
One section of road 11 is connected to air conditioning room, for the air through cooling in air conditioning room 20 to be supplied to computer room 10.On air inlet duct 11
Multiple air outlets are provided with, for blowing to data center.
The top of computer room 10 is provided with air -return duct 12, for the air in computer room 10 to be provided to air conditioning room 20.Returning
Multiple air inlets are provided with air passage 12, for making the air in computer room 10 enter air -return duct 12.
Partition wall 3 is provided between computer room 10 and air conditioning room 20.Be computer room 10 at the air -return duct 12 at the top of partition wall 3 with
Return air inlet between air conditioning room 20.The cold unit 4 of table is arranged in the return air inlet.The cold unit 4 of table can be Surface cooling coil.
The cold unit 4 of the table is connected by liquid supply pipe 5 and liquid back pipe 6 with cooling tower 8 outdoor in setting, to pass through cooling tower
8 be the coolant cooling in the cold unit 4 of table.Circulating pump 7 is arranged between the cold unit 4 of table and cooling tower 8, for will be via cooling
The coolant that tower 8 cools down is supplied to the cold unit 4 of table, and heated coolant is supplied to cooling tower 8.Circulating pump 7 is used to provide
The power of water circulation, ensures systems stay stable operation.Outdoor will be cooled down by using outdoor cold air during cooling tower 8 is set
After liquid cooling, computer room cooling is given.The circulating pump 7 can be arranged on liquid supply pipe 5 or be arranged on liquid back pipe 6.In the present invention
One embodiment in, circulating pump 7 can also be respectively provided with liquid supply pipe 5 and liquid back pipe 6.
Airflow circulating in the computer room 10 and air conditioning room 20 of data center is as shown by the arrows in Figure 1.Cooling in air conditioning room
Air enters cabinet 1 via the air inlet duct 11 below floor by air inlet, is passed through after being changed into hot-air by return air inlet and air -return duct
12 are back to air conditioning room 20, complete circulation.
In addition, with reference to Fig. 1, which further comprises the air cooling air conditioner 21 for being arranged on air conditioning room, for passing through wind
The air of cooling is supplied to the computer room 10 of data center by the fan 22 of cold air-conditioning 21 via air conditioning room 20.
Fig. 2 shows the schematic diagram of the cold unit control system of table in cooling system according to embodiments of the present invention.Such as Fig. 2 institutes
The cold unit of table shown further includes the first temperature sensor 41 being arranged on the body of the cold unit 4 of table.First temperature sensor 41
The temperature of the cold unit 4 of table is detected, and the temperature of detection is sent to the first control unit 42.First control unit 42 is according to first
The temperature that temperature sensor 41 detects sends control signal to regulating valve 43.Regulating valve 43 be arranged on the cold unit of table and cooling tower it
Between, the flow of the coolant for flowing through the cold unit 4 of table is adjusted for the control signal according to the first control unit 42.The regulating valve
43 can be electric control valve.In an embodiment as illustrated in figure 2, which is arranged on liquid back pipe 6.
Specifically, the aperture of the regulating valve 43 can be adjusted according to control signal.When the first temperature sensor 41 detects
To the cold unit 4 of table temperature it is higher when can increase the aperture of regulating valve 43 so that flow through the flow of the coolant of the cold unit 4 of table
Increase.It is thus possible to reduce the temperature of the cold unit 4 of table, and reduce the temperature for the air for flowing into air conditioning room 20.When the first temperature passes
Sensor 41 detects the aperture that can reduce regulating valve 43 when the temperature of the cold unit 4 of table is relatively low so that flows through the cold of the cold unit 4 of table
But the flow of liquid is reduced.
In the embodiment shown in the present invention, regulating valve 43 is equipped with liquid back pipe 6, by the cold unit 4 of table
Temperature sensor 41 aperture of regulating valve 43 is controlled, realize the flexible modulation of refrigerating capacity, return air handled, into
And adjust computer room wind pushing temperature.
Fig. 3 shows the schematic diagram of the control system based on environment temperature in cooling system according to embodiments of the present invention.
The control system includes second temperature sensor 44, is sent out for detecting the environment temperature outside data center, and by environment temperature
Give the second control unit 45；And second control unit 45, for the environment temperature detected according to second temperature sensor 44,
The work of the refrigeration unit of control loop pump 7 and air cooling air conditioner 21.
Specifically, when the environment temperature that second temperature sensor 44 detects is less than first threshold, the second control unit
45 are used for 7 work of control loop pump, and control the refrigeration unit of air cooling air conditioner 21 not work.When second temperature sensor 44 is examined
When the environment temperature measured is higher than first threshold and is less than second threshold, the second control unit 45 is used for control loop pump 7 and wind
The refrigeration unit of cold air-conditioning 21 works at the same time, wherein, second threshold is more than first threshold.When second temperature sensor 44 detects
Environment temperature when being higher than second threshold, the second control unit 45 is used for control loop pump 7 and does not work, and controls air cooling air conditioner
21 refrigeration unit work.
We show the workflow of the control system of cooling system as above in a manner of specific embodiment below.Assuming that
Computer room wind pushing temperature is 20 DEG C, and return air temperature is 30 DEG C, which is broadly divided into following three kinds of operational modes：
1) when running in the winter time, since outside air temperature is relatively low, directly computer room return air can be cooled down by Surface cooling coil
Processing, ensures cooling tower leaving water temperature below 20 DEG C, so that, return air is directly cooled to 20 DEG C.At this time, air conditioner in machine room only needs
Wind turbine is opened, ensures airflow circulating, is not required to open compressor cooling, largely saves electric energy.
2) when transition season is run, since outdoor temperature cannot meet cooling tower water outlet below 20 DEG C, but can expire
Sufficient cooling tower leaving water temperature is below 30 DEG C.Natural cooling device can be still opened at this time, first cooled down to computer room return air, then lead to
Air conditioner in machine room compressor cooling is crossed, wind pushing temperature is down to 20 DEG C.Assuming that by natural cooling device, by computer room return air temperature by
30 DEG C are reduced to 25 DEG C, and 25 DEG C of air need to be only reduced to 20 DEG C by air conditioner in machine room at this time, compressor cooling load reduction 50%, still
A large amount of energy consumptions can be saved.
3) it is higher for summer outdoor temperature, when circulation can not meet less than 30 DEG C, then it is not turned on natural cooling
System, still using the original air-cooled air conditioning system of computer room, ensures that refrigeration is unaffected.
Calculated for IT loads for the data center of 1000KW, usual coefficient of refrigerating performance (COP) is air-cooled in 3 or so computer room
Air-conditioning power consumption is about 350KW.Whole year run without interruption, year power consumption be about ten thousand degree of 350 × 8760=306.6.Using basis
Cooling system described in the embodiment of the present invention, is about 6 months in the northern area annual up time.For IT loads
The data center of 1000KW, cooling system itself power consumption described in inventive embodiments are no more than 50KW, whole year are calculated with this
Power consumption is about ten thousand degree of 50 × 4380+350 × 4380=175.2.It is ten thousand degree of 306.6-175.2=132.4 that whole year, which saves electricity,
Energy-saving effect is obvious.This calculating is still to be based on more small-sized data center, for its income of large-scale data center by bigger.
Fig. 4 A to Fig. 4 D show the schematic diagram of the cold unit of table according to embodiments of the present invention.As shown in Figure 4 A, the cold list of table
Member 4 is set in return air inlet perpendicular to the side wall of return air inlet.As described in Fig. 4 B, the cold unit 4 of table is in return air inlet relative to return air
The sidewall slope of mouth is set.Compared with the set-up mode in Fig. 4 A, as the set-up mode of the cold unit 4 of table in Fig. 4 B can make air
It is more preferable with the contact area bigger of the cold unit of table, refrigeration effect.
As shown in Figure 4 C, above-mentioned cooling system includes two cold units of table, and each Biao Leng units county is attributed to return air inlet
Sidewall slope is set.Arranged between the cold unit of the two tables in V-shape.
In order to further increase the contact area of air and the cold unit of table, can further be set in above-mentioned cooling system more
A cold unit of table.As shown in Figure 4 D, 4 cold units of table are provided with.The cold unit composition one of each two table in multiple cold units of table
Group, two cold units of table in one group are arranged in V-shape.The cold unit of each group table is arranged along the side wall of return air inlet.Furthermore, it is possible to adopt
Take multiple cooling towers in parallel and multiple circuits for back liquid pipeline and multiple cold units of computer room table, so as to meet computer room number
Refrigeration demand when measuring more.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the different embodiments or example described in this specification and different embodiments or exemplary spy
Sign is combined and combines.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or hidden
Include at least one this feature containing ground.In the description of the present invention, " multiple " are meant that two or more, unless otherwise
It is clearly specific to limit.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used for realization specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic at the same time in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, its various change or replacement can be readily occurred in,
These should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the guarantor of the claim
Protect subject to scope.
Claims (8)
1. a kind of cooling system for data center, the data center includes computer room and the air-conditioning set close to the computer room
Between, it is characterised in that the cooling system includes：
The cold unit of table, is arranged at the return air inlet between the computer room of the data center and the air conditioning room, described for cooling down
Air in computer room, and the air conditioning room will be provided to through overcooled air；
Cooling tower, is connected via liquid supply pipe and liquid back pipe with the cold unit of the table, for for the coolant in the cold unit of the table
Cooling；And
Circulating pump, is arranged between the cold unit of the table and the cooling tower, for by via described in cooling tower cooling
Coolant is supplied to the cold unit of the table, and the heated coolant is supplied to the cooling tower.
2. cooling system according to claim 1, it is characterised in that further include：
The first temperature sensor being arranged on the cold unit of the table, for detecting the temperature of the cold unit of the table, and will detection
Temperature be sent to the first control unit；
First control unit, for sending control letter to regulating valve according to the temperature that first temperature sensor detects
Number；And
The regulating valve being arranged between the cold unit of the table and the cooling tower, for the control according to first control unit
Signal adjusts the flow for the coolant for flowing through the cold unit of the table.
3. cooling system according to claim 1, it is characterised in that further include：The air cooling air conditioner of air conditioning room is arranged on, is used
The air of cooling is supplied to the computer room of the data center in the fan by the air cooling air conditioner via the air conditioning room.
4. cooling system according to claim 3, it is characterised in that further include：
Second temperature sensor, is sent to for detecting the environment temperature outside the data center, and by the environment temperature
Second control unit；And
Second control unit, for the environment temperature detected according to the second temperature sensor, controls the circulating pump
With the work of the refrigeration unit of the air cooling air conditioner.
5. cooling system according to claim 4, it is characterised in that described in being detected when the second temperature sensor
When environment temperature is less than first threshold, second control unit is used to control the circulation pump work, and controls the wind
The refrigeration unit of cold air-conditioning does not work；
When the environment temperature that the second temperature sensor detects is higher than the first threshold and is less than second threshold,
Second control unit is used to control the circulating pump and the refrigeration unit of the air cooling air conditioner to work at the same time, wherein, it is described
Second threshold is more than the first threshold；And
When the environment temperature that the second temperature sensor detects is higher than the second threshold, second control is single
Member is used to control the circulation air pump inoperative, and controls the refrigeration unit of the air cooling air conditioner to work.
6. cooling system according to claim 1, it is characterised in that the cold unit of table in the return air inlet perpendicular to
The side wall of the return air inlet is set.
7. cooling system according to claim 1, it is characterised in that the cold unit of table in the return air inlet relative to
The sidewall slope of the return air inlet is set.
8. cooling system according to claim 1, it is characterised in that the cooling system includes multiple cold lists of table
Member, wherein, the cold unit of table described in each two forms two cold units of table in one group, one group in the multiple cold unit of table
Arranged in V-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193786.3A CN107940643A (en) | 2017-11-24 | 2017-11-24 | Cooling system for data center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193786.3A CN107940643A (en) | 2017-11-24 | 2017-11-24 | Cooling system for data center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107940643A true CN107940643A (en) | 2018-04-20 |
Family
ID=61948757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711193786.3A Pending CN107940643A (en) | 2017-11-24 | 2017-11-24 | Cooling system for data center |
Country Status (1)
| Country | Link |
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| CN (1) | CN107940643A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109588016A (en) * | 2018-12-25 | 2019-04-05 | 北京百度网讯科技有限公司 | The cooling system of data center and data center |
| CN111520929A (en) * | 2020-03-09 | 2020-08-11 | 华电电力科学研究院有限公司 | System and method based on gas distributed energy and data center power supply and three-level cooling |
| CN112179750A (en) * | 2020-09-14 | 2021-01-05 | 聚光科技(杭州)股份有限公司 | Enrichment apparatus and method |
| CN112672607A (en) * | 2020-12-25 | 2021-04-16 | 北京世纪互联宽带数据中心有限公司 | Refrigerating system, refrigerating method and machine room reconstruction method of data center |
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| CN109588016A (en) * | 2018-12-25 | 2019-04-05 | 北京百度网讯科技有限公司 | The cooling system of data center and data center |
| CN109588016B (en) * | 2018-12-25 | 2020-12-15 | 北京百度网讯科技有限公司 | Data center and cooling system thereof |
| CN111520929A (en) * | 2020-03-09 | 2020-08-11 | 华电电力科学研究院有限公司 | System and method based on gas distributed energy and data center power supply and three-level cooling |
| CN111520929B (en) * | 2020-03-09 | 2021-06-29 | 华电电力科学研究院有限公司 | Method for power supply and three-stage cooling based on gas distributed energy and data center |
| CN112179750A (en) * | 2020-09-14 | 2021-01-05 | 聚光科技(杭州)股份有限公司 | Enrichment apparatus and method |
| CN112179750B (en) * | 2020-09-14 | 2023-11-14 | 聚光科技(杭州)股份有限公司 | Enrichment apparatus and method |
| CN112672607A (en) * | 2020-12-25 | 2021-04-16 | 北京世纪互联宽带数据中心有限公司 | Refrigerating system, refrigerating method and machine room reconstruction method of data center |
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