CN105042734B - A kind of natural cooling unit applied to data center's refrigeration system - Google Patents
A kind of natural cooling unit applied to data center's refrigeration system Download PDFInfo
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- CN105042734B CN105042734B CN201510312185.4A CN201510312185A CN105042734B CN 105042734 B CN105042734 B CN 105042734B CN 201510312185 A CN201510312185 A CN 201510312185A CN 105042734 B CN105042734 B CN 105042734B
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- 238000001816 cooling Methods 0.000 title claims abstract description 30
- 238000005057 refrigeration Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000004378 air conditioning Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- 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
- F24F5/0017—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 using cold storage bodies, e.g. ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A kind of natural cooling unit applied to data center's refrigeration system, it is mainly：Some air-introduced machines are provided with the upper shell of casing, it is provided with the side body or lower house of the casing and switchs chain electric vent with air-introduced machine, some surface coolers are provided with casing, hot water water inlet pipe and cold water exit branch are respectively equipped with each surface cooler, hot water water inlet pipe on each surface cooler is also connected with a hot-water supply main being located in casing, cold water exit branch on each surface cooler is also connected with another cold water being located in casing main, the cold water pipe that above-mentioned cold water main is reserved with air-conditioner water system is connected, and the hot-water line that hot-water supply main and air-conditioner water system are reserved is connected the circulation loop of composition water.The present invention can not avoid freezed in winter from bringing problems again merely with outdoor natural cold source, while and can meets data center machine room to epidemic disaster and purity requirements.
Description
The present invention relates to a kind of refrigeration unit of cooling system, particularly natural cooling unit for technical field.
Background technology turns into an electric-tiger with the continuous development of internet, the huge data center of power consumption,
Substantial amounts of financial resources and material resources are swallowed, this always is the mind pain of every industry or trade and government.As its energy consumption of data center
Mainly include four parts：Information technoloy equipment energy resource consumption, UPS conversions energy resource consumption, refrigeration plant energy resource consumption and illumination and fresh air
System energy consumes.Wherein, refrigeration plant energy consumption accounts for the 30% of data center's total energy consumption.The Refrigeration Technique used at present includes
Direct-expansion type precision air conditioner unit, centrifugal water cold air conditioning system etc..But they are there is also respective deficiency, wherein using straight swollen
Formula precision air conditioner unit is most traditional method, and because unit refrigerating capacity is low, Energy Efficiency Ratio is low, therefore a data center module will pacify
Fill more, the installation difficulty of outdoor condenser, when summer, outdoor temperature was higher, refrigerating capacity degradation, or even stop
Machine；Serious tropical island effect occurs for conventional multilayer telecommunications room；In order to maintain the normal humiture of data center, it is necessary to
Consume the substantial amounts of energy.Centrifugal water cold air conditioning system uses water cooling precision air conditioner machine, and it is general that it in data center builds up initial stage
One small-sized screw formula water chiller or air-cooled unit to be first installed as transition, to solve centrifugal chilling unit group in Smaller load
When incidental surge problems.Be again water cooling air conditioning system centrifuge is either large-scale, small-sized or screw machine, power load
Lotus is all very big, typically also need to its supporting independent switchgear house, the switchgear house and Worm type water-cooled unit one are to increase item
Mesh is invested, second, water chiller equipment is complicated, maintenance, upkeep cost are higher.Due to above-mentioned several ways, energy consumption to be all present higher
The problem of, in order to further reduce data center machine room PUE values, experts scholar just proposes free cooling (Free
Colling concept).There are two kinds by the way of free cooling technology is main, one kind is direct air-cooled air conditioning system, Yi Zhongshi
Water cooling air conditioning system.
Direct air-cooled air conditioning system is mainly using the Cryogenic air outside winter or spring and autumn room, is directly sent after being filtered
Enter computer room.It is apparently very simple, cost is also very low, but there is also problems, it is ensured that cleanliness factor, humidity and the temperature of air
Degree will put into many expenses and the energy, and summer will also install single air-conditioning, therefore in general, direct air cooling way
Problems are also to be solved.At present, professional generally has an optimistic view of heat exchange efficiency height, simple system, small investment and energy-saving effect
Good water cooling air conditioning system, but be -20~-30 DEG C in northern area night in winter minimum temperature, using the cold of water-cooling pattern
But tower frozen problem can bring many troubles to owner, and for this, owner adds high concentration into cooling-tower circulating water and pipeline
Anti-icing fluid, it not only increases the investment of proprietor but also also has corrosion to pipeline and equipment, the more importantly spray in cooling tower
The anti-icing fluid volatilization for the high concentration that water drenching contains is serious, can not just judge its concentration after a while, therefore even if added antifreeze
Liquid system equipment still suffers from the risk being damaged by frost.
Though it is an object of the invention to provide one kind using outdoor natural cold source but can avoid freezed in winter for the content of the invention
Bring problems, while and can meets be applied to data center cooling system of the computer room to epidemic disaster and purity requirements
Natural cooling unit.The natural cooling unit forms data center's refrigeration system with centrifugal refrigerating machines.
The invention mainly comprises：Casing, air-introduced machine, surface-cooler (hereinafter referred to as surface cooler) hot water pipe and control
Cabinet.Wherein, casing is the hollow housing of at least one opening, switch board is set in casing, box opening end, which is set, seals opening
The maintenance door closed.Some through holes are provided with the upper shell of the casing, respectively setting one in each through hole is fixed on upper shell
Air-introduced machine.It is provided with the side body or lower house of the casing and switchs chain electric vent, the air port or hundred with air-introduced machine
Leaf air port or air grille, or bar seam air port.Some surface coolers are provided with casing, the surface cooler can be set as needed
Put, to increase surface cooler heat exchange efficiency, best surface cooler is overall parallel with side body and is set close to electric vent, or surface cooler
Integral inclined setting, these surface coolers composition inverted V-shaped or W shapes, increase same cabinet space heat exchange area.Each surface cooler
On be respectively equipped with hot water water inlet pipe and cold water exit branch, they arrange with surface cooler inner horizontal and have fin respectively
Snakelike heat exchange tube is connected, and the bend pipe at the heat exchanger tube both ends is tilting to be located at cold water from the horizontal by certain angle, a high position for bend pipe
Outlet pipe side, the low level of bend pipe are located at hot water inlet pipe side.Drain valve is respectively provided with the minimum point of hot water or cold water's branch pipe.
Hot water water inlet pipe on each surface cooler is also connected with a hot-water supply main being located in casing, between the two provided with valve,
Preferably the hot-water supply main is provided with temperature sensor；Cold water exit branch on each surface cooler is also located in casing with another
Cold water main is connected, and between the two provided with valve, also preferably is provided with temperature sensor on the cold water main.Above-mentioned cold water main
The cold water pipe reserved indirectly with air-conditioner water system directly or by miscellaneous part is connected, and hot-water supply main is directly or by other portions
The hot-water line that part is reserved with air-conditioner water system indirectly is connected, and forms the circulation loop of water.
The course of work of the present invention：The unit independent operating in the winter time, when unit operation, blower fan is according to temperature sensor
Quantity is opened in the recirculated water water temperature control of monitoring, after blower fan is opened, the air port valve opening with interlock of fan, by outdoor cold air
It is changed into hot-air in leading-in box body, and after being exchanged heat with the recirculated water in surface cooler to be taken away outside discharge casing by blower fan again, it is complete
The cooling procedure of paired systems recirculated water.In the higher spring and autumn of temperature, the unit can be used cooperatively with centrifugal chilling unit group,
I.e. the unit on daytime can use as the forecooler of centrifugal chilling unit group, to improve the system of centrifugal chilling unit group compressor
Cold efficiency, night, the unit can be used alone.The unit in summer is stopped using, and air-introduced machine and electric vent are in and close shape
State, casing is interior to form closing space, is advantageous to prevent outdoor air from entering casing, while prevent outdoor dust and rainwater from entering cartonning
Internal effective protection equipment, extends usage time.Further, since the heat exchanger tube in surface cooler is ensureing the premise of minimum spacing
Under, the form that is in tilted layout is restrained using whole, and drain valve is provided with the lowest part of hot and cold water branch pipe, it on the one hand ensure that and change
The heat exchange area of heat pipe, heat exchange efficiency is improved, on the other hand, when unit is in inspecting state in the winter time, drain valve can be opened
Door, the water in surface cooler heat exchanger tube and bend pipe all empty along gradient under gravity, it is therefore prevented that unit is in the winter time not
In the case of operation, the problem of pipe bent position causes to freeze because ponding can not empty is particularly in heat exchanger tube.
The present invention has the beneficial effect that compared with prior art：
1st, structure type of the invention is simple, and only blower fan, surface cooler, electric vent and corresponding control device, table are cold
Unobstructed before and after device, air current composition is smooth, realizes the cooling to recirculated water to the full extent, therefore heat transfer effect is obvious,
Maintenance is all very simple.
2nd, use temperature range of the present invention is wide, can be in the environmental work below 11 DEG C of outdoor temperature, northern most of
Area can use time of 7 months or so, and it is system that have time of 5 months or so to can be used alone the natural cooling unit
Refrigeration duty is provided, conditioning in Transition Season can be used daytime as the forecooler of handpiece Water Chilling Units, and handpiece Water Chilling Units can be made to be under low-power
Operation, conditioning in Transition Season night can be used alone, therefore energy-saving effect is obvious, by taking 1100kw refrigerating capacitys as an example, the volume of handpiece Water Chilling Units
Power is determined for 300kw or so, and the natural cooling power of the assembling unit of the invention is only 80kw, is calculated through statistics, using the unit when ratio
Using more than 1,000,000 yuan of the annual power cost saving of handpiece Water Chilling Units.
3rd, the present invention is compared with the cooling tower form generally used at present, and cooling water is all using closed cycle pipeline, no
Directly contacted with air, reduce the risk that winter freezes, be not required in ordinary circumstance recirculated water plus anti-icing fluid, at most only need plus
10% or so anti-icing fluid, only owner has not saved operation and maintenance cost, and reduces the corrosion to pipeline and equipment again,
It ensure that system safety operation.
4th, present device size is small, in light weight, and consumable quantity is few, and manufacturing cost is low.It is existing by taking 1400kw refrigeration dutys as an example
The cooling tower size of technology is about 8 × 3 × 5 meters, weight of equipment 5t, and operating weight is in 8t, and the physical dimension of the present invention is only 9
× 2.4 × 2.5 meters, weight of equipment 3t, operating weight has saved manufacturing cost less than 6t.
5th, further, since the present invention utilizes outdoor natural cold source, and the cold water of high energy consumption is instead of within the most of the time
Unit, therefore its energy-saving effect is fairly obvious, belongs to energy saving environmental protection product.
Brief description of the drawings
Fig. 1 is the main view schematic diagram of example 1 of the present invention.
Fig. 2 is the vertical view simplified schematic diagram of example 1 of the present invention.
Fig. 3 is Fig. 1 A-A views.
Fig. 4 is the vertical view simplified schematic diagram of example 2 of the present invention.
Fig. 5 is Fig. 4 B-B views.
Fig. 6 is Fig. 5 C-C views.
Fig. 7 is surface cooler front view of the present invention.
Fig. 8 is surface cooler side view of the present invention.
Fig. 9 is Fig. 7 D direction views.
In figure：1st, casing, 2, air-introduced machine, 3, electric vent, 4, switch board, 5, surface cooler, 6, cold water exit branch, 7, heat
Water water inlet pipe, 8, cold water main, 9, hot-water supply main, 10, maintenance door, 11, temperature sensor, 12, heat exchanger tube, 13, hand-operated valve
Door, 14, drain valve, 15, heat exchanger tube fin.
Embodiment is a kind of applied to the naturally cold of data center cooling system shown in Fig. 1, Fig. 2 and Fig. 3
But in the simplified schematic diagram of unit, casing 1 is the hollow housing that cuboid opening is located at length direction both ends, in casing inner opening
End nearby sets switch board 4, and the openend of casing two is set the maintenance door 10 of closure of openings.The upper shell of casing is provided with 18 and led to
Hole, an air-introduced machine being fixed on upper shell 2 is respectively set in each through hole.It is provided with the side body of the casing and is opened with air-introduced machine
Correlate the blinds electric vent 3 of lock.Be provided with 6 surface coolers 5 in casing, these surface coolers it is overall parallel with side body and close to
Electric vent is set, and in the schematic diagram of surface cooler of the present invention shown in Fig. 7, Fig. 8 and Fig. 9, heat is respectively equipped with each surface cooler
Water water inlet pipe 7 and cold water exit branch 6, the snakelike heat exchange tube 12 that they are arranged with surface cooler inner horizontal respectively are connected, changed
Has fin 15 on heat pipe, the bend pipe at the heat exchanger tube both ends is tilting from the horizontal by certain angle, and a high position for bend pipe is positioned at cold
Water outlet pipe side, the low level of bend pipe are located at hot water inlet pipe side.Drain valve 14 is set at the minimum point of hot and cold water branch pipe.
Again in figure 3, the hot water water inlet pipe on each surface cooler is also connected with a hot-water supply main being located in casing 9, both it
Between be provided with manually-operated gate 13, the hot-water supply main is provided with temperature sensor 11；Cold water exit branch on each surface cooler also with separately
A piece cold water main 8 being located in casing is connected, and between the two provided with manually-operated gate, temperature biography also is provided with the cold water main
Sensor.The cold water pipe that above-mentioned cold water main is directly reserved with air-conditioner water system is connected, and hot-water supply main is directly and air-conditioner water system
Reserved hot-water line is connected, and forms the circulation loop of water.
In a kind of signal letter of natural cooling unit applied to data center cooling system shown in Fig. 4, Fig. 5 and Fig. 6
In figure, casing 1 is the hollow housing that cuboid opening is located at length direction one end, and switch board is set near casing inner opening end
4, box opening end is set the maintenance door 10 of closure of openings.18 through holes are provided with the upper shell of the casing, in each through hole
Respectively set an air-introduced machine being fixed on upper shell 2.It is provided with the lower house of the casing and switchs chain bar seam with air-introduced machine
Electric vent 3.6 surface coolers 5 are provided with casing, the integral inclined setting of surface cooler, these surface coolers two are one group, outside two
Shell upper end is connected, and two shell lower ends are connected to form inverted V-shaped with steelframe both ends in casing respectively.
The structure of heat exchanger tube 12 inside above-mentioned surface cooler is same as Example 1, i.e. coiled pipe pipe bent position is in tilted layout.Each table is cold
It is respectively equipped with hot water water inlet pipe 7 and cold water exit branch 6 on device, the cold water exit branch 6 on each surface cooler is set with one
The cold water main 8 of one end closing in casing is connected, between the two provided with manually-operated gate 13.Hot water on each surface cooler enters
Hot-water supply main 9 of the water branch pipe 7 with another one end being located in casing closing is connected, between the two provided with manually-operated gate
13.Temperature sensor 11 is equipped with above-mentioned hot water or cold water's main.The cold water that above-mentioned cold water main is directly reserved with air-conditioner water system
Pipe is connected, and the hot-water line that hot-water supply main is directly reserved with air-conditioner water system is connected, and forms the circulation loop of water.
Claims (4)
- A kind of 1. natural cooling unit applied to data center's refrigeration system, it is characterised in that：Casing is opened at least one The hollow housing of mouth, sets switch board, box opening end is set the maintenance door of closure of openings, in the upper shell of the casing in casing Be provided with some through holes, an air-introduced machine being fixed on upper shell respectively set in each through hole, the casing side body or under Housing is provided with switchs chain electric vent with air-introduced machine, and some surface coolers are provided with casing, are distinguished on each surface cooler Provided with hot water water inlet pipe and cold water exit branch, they arrange with surface cooler inner horizontal and have the snakelike of fin and change respectively Heat pipe is connected, and the hot water water inlet pipe on each surface cooler is also connected with a hot-water supply main being located in casing, between the two Provided with valve, the cold water exit branch on each surface cooler is also connected with another cold water being located in casing main, both it Between be provided with valve, the cold water pipe that above-mentioned cold water main is reserved with air-conditioner water system indirectly directly or by miscellaneous part is connected, and The hot-water line that hot-water supply main is reserved with air-conditioner water system indirectly directly or by miscellaneous part is connected, and forms the circulation loop of water.
- 2. the natural cooling unit according to claim 1 applied to data center's refrigeration system, it is characterised in that：Cold, Hot-water supply main is provided with temperature sensor.
- 3. the natural cooling unit according to claim 1 applied to data center's refrigeration system, it is characterised in that：Table is cold Device is overall parallel with side body and is set close to electric vent.
- 4. the natural cooling unit according to claim 1 applied to data center's refrigeration system, it is characterised in that：Table is cold The integral inclined setting of device, these surface coolers composition inverted V-shaped or W shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312185.4A CN105042734B (en) | 2015-06-08 | 2015-06-08 | A kind of natural cooling unit applied to data center's refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312185.4A CN105042734B (en) | 2015-06-08 | 2015-06-08 | A kind of natural cooling unit applied to data center's refrigeration system |
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| Publication Number | Publication Date |
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| CN105042734A CN105042734A (en) | 2015-11-11 |
| CN105042734B true CN105042734B (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510312185.4A Active CN105042734B (en) | 2015-06-08 | 2015-06-08 | A kind of natural cooling unit applied to data center's refrigeration system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105571028B (en) * | 2016-01-20 | 2018-07-17 | 大连国霖技术有限公司 | A kind of modularization natural cooling unit of container-type |
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| GB2459543A (en) * | 2008-05-03 | 2009-11-04 | John Edward Gough | Cooling systems and methods |
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| CN104566641A (en) * | 2014-10-10 | 2015-04-29 | 深圳市共济科技有限公司 | Energy-saving air conditioning system in data center and heat dissipation method of energy-saving air conditioning system |
| CN204757218U (en) * | 2015-06-08 | 2015-11-11 | 大连国霖技术有限公司 | Be applied to data center refrigerating system's natural cooling unit |
| CN205678804U (en) * | 2016-06-08 | 2016-11-09 | 烟台顿汉布什工业有限公司 | A kind of cooling by wind with natural cooling function and air-conditioner |
-
2015
- 2015-06-08 CN CN201510312185.4A patent/CN105042734B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2274310Y (en) * | 1996-08-16 | 1998-02-11 | 北京银燕环保设备工程有限公司 | Air-displacement water meter cooler |
| GB2459543A (en) * | 2008-05-03 | 2009-11-04 | John Edward Gough | Cooling systems and methods |
| CN102252368A (en) * | 2010-05-19 | 2011-11-23 | 江苏宝信空调设备制造有限公司 | Independently detachable type fan coil |
| CN202697138U (en) * | 2012-07-21 | 2013-01-23 | 江苏集云信息科技有限公司 | Air cooling water system for integrated cabinet |
| CN203083054U (en) * | 2013-01-10 | 2013-07-24 | 深圳市英维克科技有限公司 | Temperature control system for data center |
| JP2015004500A (en) * | 2013-06-24 | 2015-01-08 | 株式会社Ｎｔｔファシリティーズ | Heat source machine group operation control system |
| CN203907861U (en) * | 2014-06-23 | 2014-10-29 | 中国电子工程设计院 | Air-conditioner cold source system for data center in severe cold region |
| CN104566641A (en) * | 2014-10-10 | 2015-04-29 | 深圳市共济科技有限公司 | Energy-saving air conditioning system in data center and heat dissipation method of energy-saving air conditioning system |
| CN204757218U (en) * | 2015-06-08 | 2015-11-11 | 大连国霖技术有限公司 | Be applied to data center refrigerating system's natural cooling unit |
| CN205678804U (en) * | 2016-06-08 | 2016-11-09 | 烟台顿汉布什工业有限公司 | A kind of cooling by wind with natural cooling function and air-conditioner |
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|---|---|
| CN105042734A (en) | 2015-11-11 |
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