CN106507647A - The cooling system that a kind of solar energy absorption type refrigeration is closed with liquid cold junction - Google Patents
The cooling system that a kind of solar energy absorption type refrigeration is closed with liquid cold junction Download PDFInfo
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- CN106507647A CN106507647A CN201611208103.2A CN201611208103A CN106507647A CN 106507647 A CN106507647 A CN 106507647A CN 201611208103 A CN201611208103 A CN 201611208103A CN 106507647 A CN106507647 A CN 106507647A
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- solar energy
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- 238000001816 cooling Methods 0.000 title claims abstract description 79
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 73
- 239000007788 liquid Substances 0.000 title claims abstract description 67
- 238000005057 refrigeration Methods 0.000 title claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000004378 air conditioning Methods 0.000 claims abstract description 40
- 230000005855 radiation Effects 0.000 claims abstract description 9
- 239000006096 absorbing agent Substances 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000003507 refrigerant Substances 0.000 claims description 6
- 230000002745 absorbent Effects 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims description 2
- 238000010025 steaming Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 description 18
- 239000012530 fluid Substances 0.000 description 15
- 230000008020 evaporation Effects 0.000 description 13
- 238000009835 boiling Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000003749 cleanliness Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 4
- 238000010622 cold drawing Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 206010020741 Hyperpyrexia Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
- H05K7/20827—Liquid cooling with phase change within rooms for removing heat from cabinets, e.g. air conditioning devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
- F25B27/007—Machines, plants or systems, using particular sources of energy using solar energy in sorption type systems
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20763—Liquid cooling without phase change
- H05K7/20772—Liquid cooling without phase change within server blades for removing heat from heat source
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to the cooling system that a kind of solar energy absorption type refrigeration is closed with liquid cold junction, including solar energy absorption type refrigeration device, also include cooling device, air conditioning terminal and the liquid cooled module for exchanging heat for server machine cabinet heat radiation with server euthermic chip, the solar energy absorption type refrigeration device is connected to form closed circuit by pipeline with air conditioning terminal, and cooling device is connected to form closed circuit with liquid cooled module by pipeline.The present invention is by combining solar energy absorption type refrigeration technology and liquid refrigeration technique, highly effective refrigeration, ensure the radiating requirements of server, solve the problems, such as machine room hot-spot, in the case of without the need for electric compression refrigerating apparatus solar energy can be made full use of to produce chilled water auxiliary heat dissipation again, reduce machine room PUE values and power consumption, energy-conserving and environment-protective.
Description
Technical field
This patent is related to air conditioner in machine room field of radiating, and in particular to a kind of solar energy absorption type refrigeration and dissipating that liquid cold junction is closed
Hot systems.
Background technology
Statistics shows, China IDC in 2014（Internet data center）Year, power consumption was more than 828.5 hundred million degree（Quite
In having burnt more than 30,000,000 tons of standard coals）, the total amount of whole society's electricity consumption then 1.5% is accounted for, increasedd CO2 discharge capacitys exceed
80000000 tons.Under energy-conservation with two great society development topic of environmental protection, data center's energy resource consumption huge behind constrains China
The further development of energy-saving and emission-reduction work.No matter data center（Or server cabinet）Scale how, and they have one jointly
Point：All include the equipment that can be radiated, and the heat for distributing must be drained, but plus temperature equipment in the case of relatively low life-span more
Long, and can run more quickly, this causes air conditioner in machine room to be widely applied in data center, directly results in air conditioner in machine room
Power consumption accounts for the 40% of data center's power consumption, and the accessory building such as the periphery office supporting with data center, O＆M and dormitory exists
Winter needs substantial amounts of heat to solve the problems, such as heating, and in conventional design, heating needs boiler or heat pump to solve, and needs
The non-renewable energy resources such as a large amount of coals, fuel oil, natural gas are consumed, a large amount of CO2 that wherein fossil feedstock combustion process kind is produced are
The main cause of greenhouse effects, and the emission serious environment pollution such as dust and sour gas in power generation process is caused, to people
Body health causes damage, and therefore, how in the case where server in machine room equipment regular service conditions is ensured, reduces in machine room to greatest extent
The energy consumption of air-conditioning system and to periphery auxiliary facility provide more preferably the energy for heating be data center module operation industry face
A major issue.
Compressor is the main power-consuming component of air-conditioning system, and during operation, noise is big, when therefore how to reduce compressor operating
Between even to remove compressor be the key for reducing energy consumption of machine room.Chinese invention patent application in Publication No. CN102734979A
In provide a kind of solar absorption refrigeration system, including the evaporimeter for cold-producing medium sweat cooling, inhaled using absorbent
The absorber of refrigerant vapour is received, for the generator of heating evaporation refrigerant solution, for the condensation of refrigerant vapour heat release
Device, after absorber absorption absorption process heat, condensed device absorption refrigeration agent steam discharges heat to cooling water again；Also include one
Individual including solar thermal collector and the solar heating system of heat collection water tank, the solar heating system is used for heating generator
Middle refrigerant solution.
The technical scheme make use of the principle of Absorption Refrigerator, eliminate compressor, and by the use of clean energy resource as heat
Source drives, it is to avoid mentioned above introduce what outdoor cold air and the refrigeration modes using gas gas honeycomb heat exchanger were brought
Defect, while energy consumption is also reduced, but the swift and violent growth of fast development and data traffic requirement with IT technology, hyperpyrexia
With increasing, the power more and more higher of single frame promotes machine room the phenomenon of hot-spot occur, therefore, only to density server
Only it is radiating requirements that traditional air cooled mode will be difficult to meet server.
A kind of gate-type heat pipe air conditioner and liquid is provided in the Chinese invention patent application of Publication No. CN104703449A
The server cabinet cooling system that device for cooling is combined, including liquid-cooled suit business device rack, the liquid-cooled suit business device rack includes rack
Cabinet and multiple liquid-cooled suits business devices of the machine in cabinet cabinet are set, and being provided with liquid cooling apparatus, direct liquid to be carried out to liquid-cooled suit business device cold
Radiating, being additionally provided with gate-type heat pipe air conditioner carries out auxiliary heat dissipation.The technical scheme carries out main refrigeration, rack using liquid-cooling heat radiation technology
Level heat pipe heat radiation technology carries out auxiliary cooling, although high cooling efficiency, effect are good, are not in the problem of hot-spot, but
Gate-type heat pipe air conditioner therein includes cooling-water machine, and the core component in cooling-water machine remains as compressor, does not solve energy consumption of machine room
Excessive problem.
How solar energy absorption type refrigeration and liquid refrigeration technique to be combined together, become technical problem urgently to be resolved hurrily.
Content of the invention
In order to overcome the deficiencies in the prior art, this patent to provide the radiating that a kind of solar energy absorption type refrigeration is closed with liquid cold junction
System, by combining solar energy absorption type refrigeration technology and liquid refrigeration technique, highly effective refrigeration, it is ensured that the radiating requirements of server, solution
Certainly the problem of machine room hot-spot, can make full use of solar energy to produce chilled water again in the case of without the need for electric compression refrigerating apparatus
Auxiliary heat dissipation, reduces machine room PUE values and power consumption, energy-conserving and environment-protective.
For the cooling system closed with liquid cold junction for a kind of solar energy absorption type refrigeration of this patent, above-mentioned technical problem is
So solve：The cooling system that a kind of solar energy absorption type refrigeration is closed with liquid cold junction, including solar energy absorption type refrigeration
Device, is also included cooling device, the air conditioning terminal for server machine cabinet heat radiation and is used for being exchanged heat with server euthermic chip
Liquid cooled module, the solar energy absorption type refrigeration device is connected to form closed circuit by pipeline with air conditioning terminal, cooling dress
Put and be connected to form closed circuit with liquid cooled module by pipeline.
Solar energy is a kind of inexhaustible green clean energy resource, therefore, hot as driving by the use of solar energy
The solar energy absorption type refrigeration device in source is except significantly reducing cooling system energy consumption, energy saving and produce positive society
Beyond meeting and economic benefit, the characteristics of also there is cleanliness without any pollution and use safe.Tied using solar energy absorption type refrigeration device
Close the distributed heat that the air conditioning terminal that rack is installed nearby can efficiently take away server：As air conditioning terminal is used for server
Rack directly radiates, even if so the EAT of calculator room equipment is brought up to more than 23 DEG C also disclosure satisfy that radiating requirements, carrying
High wind pushing temperature and cooling effectiveness；In addition in server, 70% ~ 80% heat is taken away by liquid cooled module, in server remaining
Distributed heat allow further to improve wind pushing temperature to more than 27 DEG C, and 8-10 DEG C of chilled water temperature, Ke Yixian can be improved
Write the Energy Efficiency Ratio of raising system.Advantage using the heat of the main heater members of the cold mode takeaway service device of liquid is：Server
When euthermic chip normally runs, between 50 ~ 70 DEG C, the liquid cooled module for being radiated only needs 30 ~ 40 DEG C of liquid heat exchange to be situated between to temperature
Matter can meet radiating requirements, and liquid cooled module is using hot tube high-efficiency heat conduction and liquid heat transfer medium specific heat capacity is big, heat convection
Hurry up, the features such as evaporation latent heat is big, the heat of server efficiently taken to outside machine room in conjunction with cooling device, so as to reach preferably
Radiating effect.This patent combines the advantage of solar energy absorption type refrigeration technology and liquid refrigeration technique, by solar absorption system
The air conditioning terminal radiated by device for cooling is responsible for the heat of the heater element outside takeaway service device euthermic chip, and cooling device coordinates
The heat of liquid cooled module takeaway service device euthermic chip, improves refrigerating efficiency while energy-conserving and environment-protective, solves machine room local
Overheated problem, without the need for electric compressor in cooling system operation, energy-saving effect is notable, while reducing noise.
Further, the air conditioning terminal is used for being arranged side by side with server cabinet.
Multiple rows of server cabinet arranged side by side is provided with general machine room, is formed between two row's server cabinets closed cold logical
Road, air conditioning terminal are mounted opposite side by side with server cabinet, and the cold air of blowout is entered in the cold passage of closing, is entered after liquidating
In server, cold air more uniformly spreading in the server is made, preferably absorb other in addition to server euthermic chip
The heat of element, the return air inlet of the stream of hot air formed after absorbing heat to air conditioning terminal, shape again after heat release in air conditioning terminal
Into cold air, so circulate.
Further, the air conditioning terminal is used for the back for being arranged on server cabinet.
Element in server in addition to chip, its caloric value only occupy the 20%～30% of server caloric value, using air
Heat loss through convection is sufficient for its radiating requirements, although good using the liquid refrigeration technique effect that radiated, however it is necessary that additionally laying energy
The pipeline for making liquid flow, and in order to allow all elements of server internal to carry out liquid-cooling heat radiation, the design of required pipeline is also compared
More complicated, therefore, it is not suitable for herein unifying liquid-cooling heat radiation to server heater element, but uses simple structure, easily implements
Air conditioning terminal be arranged on the back of server cabinet, by the blowing hot air in server is changed in air conditioning terminal
Heat.
Further, the air conditioning terminal includes gate-type cold-water heat exchanger and the wind in gate-type cold-water heat exchanger
Machine；The gate-type cold-water heat exchanger is connected to form closed circuit with solar energy absorption type refrigeration device by pipeline.
Further, the liquid cooled module includes heat pipe part, cooled plate, current collector and distributor, heat pipe part one
Hold for exchanging heat with server euthermic chip, the other end is contacted with cooled plate；The distributor, cooled plate, current collector and cooling
Device passes sequentially through pipeline in order and connects to form closed circuit.
The caloric value of server euthermic chip occupies server caloric value 70%～80%, and liquid cooled module is led using hot tube high-efficiency
The heat and cold heat transferring medium specific heat capacity of liquid is big, fast heat convection and server euthermic chip is carried out the features such as big evaporation latent heat
Heat exchange so that the internal temperature of server euthermic chip is maintained between 50 ~ 65 DEG C and normally runs；Receive described heat pipe part one end
When hot, liquid rapid vaporization in pipe flows to other end under the power of thermal diffusion, i.e., the one end being connected with cooled plate is cold
Coalescence discharges heat, then flows back to that one end being heated again, and the heat of server euthermic chip is passed by so circulation incessantly
It is delivered in cooled plate；Exchanged heat by heat pipe part between chip and cooled plate, it is ensured that the middle fluid media (medium) of cooled plate is occurring
The normal work of server euthermic chip is not interfered with during leakage, and heat pipe part and cooled plate have thermal resistance low and heat conduction
The characteristics of efficiency high, evaporative condenser circulation is driven without the need for external force, it is possible to achieve quick conductive.Data center machine room includes multiple
Server, individually each server euthermic chip is carried out radiating be unpractiaca, wasting while also easily because close
The equipment of collection and produce potential safety hazard, this patent is applied in the fluid that cooled plate in each server flows out by current collector
Medium is concentrated in together, and after cooling device carries out radiating treatment, then fluid media (medium) is assigned to each water by distributor
In cold drawing, the equipment and pipeline needed for radiating treatment is reduced, reduces cost reduces the space for taking machine room.
Further, the cooling device includes that cooling tower and plate type heat exchanger, cooling tower are changed with board-like by pipeline
Hot device connects to form closed circuit, and liquid cooled module is connected to form closed circuit by pipeline with plate type heat exchanger；The cooling tower
Water supply tank is equipped between plate type heat exchanger, plate type heat exchanger and liquid cooled module.
When fluid media (medium) occurs evaporating loss in heat transfer process or is taken away by air due to splashing, moisturizing
Case fluid medium can be supplemented in time, the internal pressure in stable cooling device, it is ensured that the safe operation of cooling device.
Further, the solar energy absorption type refrigeration device includes Absorption Refrigerator and solar heat source module,
Absorption Refrigerator is connected to form closed circuit with air conditioning terminal by pipeline, and solar heat source module is led to Absorption Refrigerator
Cross pipeline to connect to form closed circuit.
Solar energy is absorbed using solar heat source module, can also be in data while providing thermal source to Absorption Refrigerator
The accessory buildings such as the supporting periphery office of the heart, O＆M and dormitory provide the energy of cleanliness without any pollution in order to heat, and greatly reduce
Energy consumption.
Further, the Absorption Refrigerator includes the generation for being in turn connected to form refrigerant circulation loop in order
Device, condenser, choke valve, evaporimeter and absorber, evaporimeter are connected to form closed circuit by pipeline with air conditioning terminal, occur
Device is connected to form closed circuit with solar heat source module by pipeline, and generator is connected to form absorption by pipeline with absorber
Agent closed circuit.
According to the principle of Absorption Refrigerator, cold-producing medium is evaporated in evaporimeter, absorbs the heat of gate-type cold-water heat exchanger,
Then the cold-producing medium for evaporating is absorbed by the boiling point concentrated solution high compared with cold-producing medium in absorber, forms weak solution；Weak solution passes through
The closed circuit that absorber is connected with generator, flows in generator, and generator absorbs the heat of solar heat source module, because
Concentrated solution boiling point originally is higher so that cold-producing medium first evaporates, and cocurrent is in condenser；Concentrated solution is returned again to by closed circuit
Absorber absorbs the cold-producing medium of evaporation；Within the condenser, cold-producing medium condensation release heat, and flow in choke valve；Choke valve system
Make environment under low pressure, and cold-producing medium boiling point reduces under low pressure, it is meant that cold-producing medium can evaporate at low temperature, then be in low pressure
Cold-producing medium flow into evaporimeter in, repeated evaporation absorb gate-type cold-water heat exchanger heat the step of.Wherein absorber requires low temperature,
Because the concentrated solution under low-temperature condition in absorber condenses can the cold-producing medium of evaporation, so as to preferably absorption refrigeration agent；Send out
Raw device requires high temperature, because the weak solution at high operating temperatures in generator is easier to evaporate cold-producing medium, and solution heat exchange
Device makes the high temperature concentrated solution for flowing back to absorber in closed circuit from generator, with the low temperature weak solution from absorber stream to generator
Exchanged heat, effectively utilizes energy improves operating efficiency.
Further, the solar heat source module includes that solar thermal collector and hot water storage tank, solar thermal collector lead to
Cross pipeline to be connected to form closed circuit with hot water storage tank, hot water storage tank is connected to be formed with Absorption Refrigerator by pipeline and loops back
Road.
The heat that collects from solar thermal collector first can be stored in hot water storage tank, it is to avoid heat overflows, and causes wave
Take, then the heat in hot water storage tank is transported to as thermal source in Absorption Refrigerator, because only that just existing daytime using too
Positive can possibility, so heat source module not directly using solar thermal collector in heat, but first will by hot water storage tank
Heat storage, drastically increases heat source module reliability of operation.
Further, assisted heating device and heating interface are provided with the hot water storage tank.
The assisted heating device be electric heater or other utilize industrial exhaust heat, the heater of used heat.Work as night
Or winter solar is when can radiate wretched insufficiency, causes solar thermal collector absorb enough solar energy, be delivered to storage
Heat in hot tank tails off so that heat storage tank is delivered to the shortage of heat of single-effective absorption refrigerating machine, and now, cooling system can be opened
Dynamic auxiliary heater ensures have enough heat transfers in Absorption Refrigerator as thermal source in hot water storage tank, when in the winter time
Hot water storage tank also provides domestic hot-water by the interface that heats to data center's periphery auxiliary facility using solar energy, reduces dirty
Dye, energy saving.
Description of the drawings
Fig. 1 is the system construction drawing of this patent.
Fig. 2 is that the another kind of of air conditioning terminal arranges schematic diagram.
Fig. 3 is the structural representation of cooling device.
Fig. 4 is another kind of structural representation of solar energy absorption type refrigeration device.
Specific embodiment
Embodiment 1：
The cooling system that a kind of solar energy absorption type refrigeration as shown in Figure 1 is closed with liquid cold junction, including server cabinet 000, too
Positive energy absorption type refrigerating unit 500 and cooling device（Do not mark in figure）, the server cabinet 000 includes rack cabinet
001 and multiple servers 002；The cooling system also include located at server cabinet 000 air conditioning terminal 400 and with service
The liquid cooled module 300 of the heat exchange of device euthermic chip 003, the solar energy absorption type refrigeration device 500 is by pipeline and air conditioning terminal
400 connections form closed circuit, and cooling device is connected to form closed circuit with liquid cooled module 300 by pipeline.
Solar energy is a kind of inexhaustible green clean energy resource, therefore, hot as driving by the use of solar energy
The solar energy absorption type refrigeration device 500 in source is except significantly reducing cooling system energy consumption, energy saving and produce actively
Social and economic benef@beyond, also have cleanliness without any pollution and using safe the characteristics of.Due to various heatings in server 002
The caloric value height of chip 003 differs, and all or part of euthermic chip 003 can be selected in actual applications to access radiating system
Radiated in system, it is also possible to select main euthermic chip 003 in server to access in cooling system..This patent is using just
Distributed heat of the 400 takeaway service device 112 of air conditioning terminal of nearly air-supply in addition to server euthermic chip 003, can improve
Wind pushing temperature to more than 27 DEG C, improves cooling system efficiency, while adopting 002 main euthermic chip of direct liquid cooling takeaway service device
003 caloric value.Liquid cooled module 300 is using 004 high-efficiency heat conduction of heat pipe part and liquid heat transfer medium specific heat capacity be big, convection current is changed
The features such as heat is fast, evaporation latent heat is big, takes the heat of server 002 outside machine room to, so as to reach more preferable radiating effect.This is specially
Profit combines the advantage of solar energy absorption type refrigeration technology and liquid refrigeration technique, is carried out by solar energy absorption type refrigeration device 500
The air conditioning terminal 400 of radiating is responsible for the heat of the heater element outside takeaway service device euthermic chip 003, and cooling device fluid,matching is cold
The heat of 300 takeaway service device euthermic chip 003 of module, while energy-conserving and environment-protective improves refrigerating efficiency, solves machine room office
The overheated problem in portion, without the need for electric compressor in cooling system operation, energy-saving effect is notable, while reducing noise.
The liquid cooled module 300 includes heat pipe part 004, cooled plate 005, current collector 008 and distributor 009, heat pipe
004 one end of part is exchanged heat with server euthermic chip 003, and the other end is contacted with cooled plate 005；The distributor 009, feed liquor connects
Connect arm 007, cooled plate 005, go out liquid connecting branch 006, current collector 008 and pipeline is passed sequentially through in order with cooling device to be connected
Form closed circuit.
The caloric value of server euthermic chip occupies server caloric value 70%～80%, and liquid cooled module 300 is changed using liquid is cold
Thermal medium specific heat capacity is big, server euthermic chip 003 is exchanged heat the characteristics of heat convection is fast so that server euthermic chip
Internal temperature be maintained between 50 ~ 65 DEG C and normally run；When described 004 one end of heat pipe part is heated, the liquid in pipe is rapid
Vaporization, flows to other end under the power of thermal diffusion, i.e., the one end being connected with cooled plate 005 condenses and discharge heat, so
That one end for being heated is flowed back to afterwards again, and so circulation is incessantly by the heat transfer of server euthermic chip 003 to cooled plate 005
In；Exchanged heat by heat pipe part 004 between chip 003 and cooled plate 005, it is ensured that the middle fluid media (medium) of cooled plate 005 is being sent out
The normal work of server euthermic chip 003 is not interfered with during raw leakage, and the heat pipe part 004 is high using low thermal resistance
Effect passage of heat, drives liquid evaporation and condensation cycle without the need for external force, heat is quickly conducted.Data center machine room includes many
Individual server 002, individually each server euthermic chip 003 is carried out radiating be unpractiaca, wasting while also holding
Potential safety hazard is produced because of intensive equipment easily, and this patent is applied in the water in each server 002 by current collector 008
The fluid media (medium) that cold drawing 005 flows out is concentrated in together, and after cooling device carries out natural cooling radiating treatment, then fluid is situated between
Matter is assigned in each cooled plate 005 by distributor 009, reduces equipment and pipeline needed for radiating treatment, reduces cost,
Reduce the space for taking machine room.
The air conditioning terminal 400 includes gate-type cold-water heat exchanger 011 and the wind in gate-type cold-water heat exchanger 011
Machine 012, the gate-type cold-water heat exchanger 011 are located at the back of server cabinet 000, by pipeline and solar energy absorption type refrigeration
The connection of device 500 forms closed circuit.
Element in server 002 in addition to chip 003, its caloric value only occupy the 20%～30% of 002 caloric value of server,
Its radiating requirements is sufficient for using cross-ventilation radiating, although good using the liquid refrigeration technique effect that radiated, however it is necessary that volume
Outer laying can make the pipeline that liquid flows, and in order to allow all heater elements of server internal to carry out liquid-cooling heat radiation, required pipe
The design on road is also more complicated, therefore, is not suitable for herein unifying 002 inner member of server liquid-cooling heat radiation, but using knot
Structure is simple, and the gate-type cold-water heat exchanger 011 and blower fan 012 that easily implements carries out cross-ventilation radiating, will service by blower fan 012
Blowing hot air in device 002, rack cabinet 001 or even server cabinet 000 is changed in gate-type cold-water heat exchanger 011
Heat.
The solar energy absorption type refrigeration device 500 includes Absorption Refrigerator 100 and solar heat source module 200,
The Absorption Refrigerator 100 is connected to form closed circuit with gate-type cold-water heat exchanger 011 by pipeline, solar heat source module
200 are connected to form closed circuit by pipeline with Absorption Refrigerator 100.
Solar energy is absorbed using solar heat source module 200, while providing thermal source to Absorption Refrigerator 100 can also be
The accessory buildings such as the supporting periphery office of data center, O＆M and dormitory provide the energy of cleanliness without any pollution in order to heat, greatly
Reduce energy consumption.
Generator 101 that the Absorption Refrigerator 100 includes being sequentially connected in order, condenser 102, choke valve 103,
Evaporimeter 104 and absorber 105, evaporimeter 104 are connected to form closed circuit with gate-type cold-water heat exchanger 011 by pipeline, are sent out
Raw device 101 is connected to form closed circuit with solar heat source module 200 by pipeline, and generator 101 is by pipeline and absorber
105 connections form closed circuit；Closed circuit between the generator 101 and absorber 105 is provided with solution heat exchanger
107.
According to the principle of Absorption Refrigerator, cold-producing medium is evaporated in evaporimeter 104, absorbs gate-type cold-water heat exchanger 011
Heat, the cold-producing medium for then evaporating absorbed by high compared with the cold-producing medium concentrated solution of boiling point in absorber 105, forms weak solution；
To in generator 101, generator 101 absorbs the sun to the closed circuit stream that weak solution is connected with generator 101 by absorber 105
The heat of energy heat source module 200, because original concentrated solution boiling point is higher so that cold-producing medium first evaporates, and cocurrent is to condenser 102
In；Concentrated solution returns again to the cold-producing medium that absorber 105 absorbs evaporation by closed circuit；In condenser 102, cold-producing medium is condensed
Release heat, and flow in choke valve 103；The manufacture environment under low pressure of choke valve 103, and cold-producing medium boiling point reduction under low pressure, meaning
Taste cold-producing medium and can be evaporated at low temperature, and then the cold-producing medium in low pressure is flowed in evaporimeter 104, and repeated evaporation absorbs door
The step of formula 011 heat of cold-water heat exchanger.Wherein absorber requires low temperature, because dense in absorber 105 under low-temperature condition
Solution condenses can the cold-producing medium of evaporation, so as to preferably absorption refrigeration agent；Generator 101 requires high temperature, because in high temperature shape
Weak solution under state in generator 101 is easier to evaporate cold-producing medium, and solution heat exchanger 107 is made in closed circuit from generation
Device 101 flows back to the high temperature concentrated solution of absorber 105, is changed with the low temperature weak solution flowed to generator 101 from absorber 105
Heat, effectively utilizes energy improve operating efficiency.
The solar heat source module 200 includes solar thermal collector 201 and hot water storage tank 203, solar thermal collector 201
It is connected to form closed circuit with hot water storage tank 203 by pipeline, the hot water storage tank 203 is connected with generator 101 by pipeline
Form closed circuit；Assisted heating device 205 is provided with the hot water storage tank 203.
The assisted heating device 205 be electric heater or other utilize industrial exhaust heat, the heater of used heat.The very night
When evening or winter solar can radiate wretched insufficiency, cause solar thermal collector 201 absorb enough solar energy, transmit
Heat in heat storage tank 203 tails off so that heat storage tank 203 is delivered to the shortage of heat of single-effective absorption refrigerating machine, now, dissipates
Hot systems can start assisted heating device 205 and ensure there is the conduct in generator 101 of enough heat transfers in hot water storage tank 203
Thermal source.
The operation principle of this patent is as follows：
S1：Cold-producing medium is evaporated in evaporimeter 104, absorbs the heat of gate-type cold-water heat exchanger 011, and the cold-producing medium for then evaporating exists
Absorbed by the boiling point concentrated solution high compared with cold-producing medium in absorber 105, form weak solution；
S2：By 106 pump of solution pump in generator 101, generator 101 absorbs the heat of hot water storage tank 203 to weak solution, because
Concentrated solution boiling point originally is higher so that cold-producing medium first evaporates, and cocurrent is in condenser 102；
S3：Concentrated solution returns again to the cold-producing medium that absorber 105 absorbs evaporation by the solution pump 106 in closed circuit, while molten
Liquid heat exchanger 107 makes the high temperature concentrated solution for flowing back to absorber 105 in closed circuit from generator 101, and flows from absorber 105
Low temperature weak solution to generator 101 is exchanged heat, effectively utilizes energy, improves operating efficiency；
S4：In condenser 102, cold-producing medium condensation release heat, and flow in choke valve 103；Choke valve 103 manufactures low-voltage ring
Border, and cold-producing medium boiling point reduction under low pressure, it is meant that cold-producing medium can evaporate at low temperature, then the cold-producing medium in low pressure
Flow in evaporimeter 104, next step returns to step S1.
In step sl, the method for work of the gate-type cold-water heat exchanger 011 is as follows：
S11：The hot-air that the gate-type cold-water heat exchanger 011 is come with the conveying of blower fan 012 is cooled down, the air weight after cooling
New inflow rack cabinet 001, the heat of 002 inner member of takeaway service device are sufficient for server using cross-ventilation radiating
Element radiating demand in 002 in addition to chip 003, simple structure server euthermic chip；
S12：The gate-type cold-water heat exchanger 011 is rejected heat in evaporimeter 104 by chilled water pump 010.
Above-mentioned steps are taken away except the heat of 003 outer other elements of chip, and the liquid cooled module 300 takes away heat in chip 003
The method of work of amount is as follows：
S111：Described 004 one end of heat pipe part absorbs the heat of server euthermic chip 003, and the other end rejects heat to water
In cold drawing 005, it is ensured that in cooled plate 005, fluid media (medium) does not interfere with server euthermic chip 003 when there is leakage
Normal work, and the heat pipe part 004 utilizes low thermal resistance high-efficiency heat conduction passage, drives liquid evaporation and condensation without the need for external force
Circulation, makes heat quickly conduct；
S112：Server cabinet 000 includes multiple servers 002, and current collector 008 will be corresponding for multiple servers 002 multiple
The fluid media (medium) that cooled plate 005 flows out is concentrated in together, after cooling device carries out natural cooling radiating treatment, then by fluid
Medium is assigned in each cooled plate 005 by distributor 009, is reduced equipment and pipeline needed for radiating treatment, is reduced into
This, reduces the space for taking machine room.
In step s 2, the method for work of the hot water storage tank 203 is as follows：
S21：Solar thermal collector 201 is delivered to the solar energy for absorbing in hot water storage tank 203 by the first thermal source pump 202；
S32：Then hot water storage tank 203 is transferred heat in generator 101, and when solar energy is sufficient, hot water storage tank 203 can be with
Remaining heat after transmission is constantly stored, energy saving；When night or winter solar can radiate wretched insufficiency, can
Start assisted heating device 205, it is ensured that in hot water storage tank 203, there are enough heats generation to be delivered to by Secondary Heat Source pump 204
In device 101, increase the stability of a system.
Embodiment 2：
As shown in Fig. 2 ~ 4, the embodiment is with the difference of embodiment 1, and the server cabinet 000 has multiple, is simultaneously
Row is arranged, corresponding air conditioning terminal 400 also have multiple, the air conditioning terminal 400 be installed on server cabinet 000 side by side it
Between.
Multiple rows of server cabinet 000 arranged side by side is provided with general machine room, is formed between two row's server cabinets 000 closed
Cold passage, air conditioning terminal 400 are mounted opposite, and the cold air of blowout is entered after liquidating in cold passage and entered in server 002, is made cold
Air more uniformly spreading in server 002, preferably absorbs the heat of the other elements in addition to server euthermic chip 003
Amount, the stream of hot air formed after absorbing heat are being re-formed after heat release in air conditioning terminal 400 to the return air inlet of air conditioning terminal 400
Cold air, so circulates.
In specific implementation process, the air conditioning terminal 400 is air-conditioning between row, installed in the row of multiple server cabinets 000
Between, realistic device rack 000 is radiated, in conjunction with heat pipe part 004 and 005 thermal resistance of cooled plate be low and the high spy of heat transfer efficiency
Point, even if the EAT of calculator room equipment is brought up to more than 27 DEG C also disclosure satisfy that radiating requirements, improve wind pushing temperature and
Cooling effectiveness.
The cooling device includes that cooling tower 605 and plate type heat exchanger 603, cooling tower 605 are changed with board-like by pipeline
The connection of hot device 603 forms closed circuit, distributor 009, feed liquor connecting branch 007, cooled plate 005, go out liquid connecting branch 006,
Current collector 008 passes sequentially through pipeline in order with cooling device and is connected to form closed circuit；The cooling tower 605 and plate-type heat-exchange
Water supply tank 601 is equipped between device 603, plate type heat exchanger 603 and distributor or current collector.
During operation, the fluid media (medium) flowed out from current collector 008 is flow in plate type heat exchanger 603 by the first water pump 602
Row heat exchange, then flow back in distributor 009；Cooling agent in cooling tower 605 flow to plate type heat exchanger by the second water pump 604
Exchanged heat in 603.When fluid media (medium) or cooling agent evaporating loss occur or in heat transfer process due to splashing by air band
When walking, water supply tank 601 fluid medium or cooling agent can be supplemented in time, the inside pressure in stable cooling device
Power, it is ensured that the safe operation of cooling device.
In specific implementation process, cooling tower is radiated by the way of natural cooling, energy-conserving and environment-protective.
The evaporimeter 104 is connected to form closed circuit by pipeline with air conditioning terminal 400.
Heating interface 206 is additionally provided with the hot water storage tank 203.
The solar energy that hot water storage tank 203 is received using solar thermal collector 201, can be to data by heating interface 206
Central peripheral auxiliary facility provides domestic hot-water, and cleanliness without any pollution, energy consumption are relatively low.
Claims (10)
1. the cooling system that a kind of solar energy absorption type refrigeration is closed with liquid cold junction, including solar energy absorption type refrigeration device, which is special
Levy and be, also include cooling device, the air conditioning terminal for server machine cabinet heat radiation and be used for changing with server euthermic chip
The liquid cooled module of heat, the solar energy absorption type refrigeration device are connected to form closed circuit by pipeline with air conditioning terminal, cool down
Device is connected to form closed circuit with liquid cooled module by pipeline.
2. the cooling system that a kind of solar energy absorption type refrigeration according to claim 1 is closed with liquid cold junction, it is characterised in that
The air conditioning terminal is used for being arranged side by side with server cabinet.
3. the cooling system that a kind of solar energy absorption type refrigeration according to claim 1 is closed with liquid cold junction, it is characterised in that
The air conditioning terminal is used for the back for being arranged on server cabinet.
4. the cooling system that a kind of solar energy absorption type refrigeration according to claim 3 is closed with liquid cold junction, it is characterised in that
The air conditioning terminal includes gate-type cold-water heat exchanger and the blower fan in gate-type cold-water heat exchanger；The gate-type cold water is changed
Hot device is connected to form closed circuit with solar energy absorption type refrigeration device by pipeline.
5. the cooling system that a kind of solar energy absorption type refrigeration according to any one of claim 1 ~ 4 is closed with liquid cold junction, its
Be characterised by, the liquid cooled module includes heat pipe part, cooled plate, current collector and distributor, heat pipe part one end be used for
Server euthermic chip exchanges heat, and the other end is contacted with cooled plate；The distributor, cooled plate, current collector and cooling device are by suitable
Sequence passes sequentially through pipeline and connects to form closed circuit.
6. the cooling system that a kind of solar energy absorption type refrigeration according to any one of claim 1 ~ 4 is closed with liquid cold junction, its
It is characterised by, the cooling device includes that cooling tower and plate type heat exchanger, cooling tower are connected with plate type heat exchanger by pipeline
Closed circuit is formed, liquid cooled module is connected to form closed circuit by pipeline with plate type heat exchanger；The cooling tower is changed with board-like
Hot device, between plate type heat exchanger and liquid cooled module, it is equipped with water supply tank.
7. the cooling system that a kind of solar energy absorption type refrigeration according to claim 1 is closed with liquid cold junction, it is characterised in that
The solar energy absorption type refrigeration device includes Absorption Refrigerator and solar heat source module, Absorption Refrigerator and air-conditioning
End connects to form closed circuit by pipeline, and solar heat source module is connected to form circulation with Absorption Refrigerator by pipeline
Loop.
8. the cooling system that a kind of solar energy absorption type refrigeration according to claim 7 is closed with liquid cold junction, it is characterised in that
The Absorption Refrigerator includes being in turn connected to form in order the generator of refrigerant circulation loop, condenser, choke valve, steaming
Device and absorber is sent out, evaporimeter is connected to form closed circuit by pipeline with air conditioning terminal, generator is by pipeline and solar energy
Heat source module connects to form closed circuit, and generator is connected to form circulation loop of absorbent with absorber by pipeline.
9. the cooling system that a kind of solar energy absorption type refrigeration according to claim 7 is closed with liquid cold junction, it is characterised in that
The solar heat source module includes that solar thermal collector and hot water storage tank, solar thermal collector are connected with hot water storage tank by pipeline
Connect to form closed circuit, hot water storage tank is connected to form closed circuit with Absorption Refrigerator by pipeline.
10. the cooling system that a kind of solar energy absorption type refrigeration according to claim 9 is closed with liquid cold junction, its feature exist
In being provided with assisted heating device in the hot water storage tank.
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| CN201611208103.2A CN106507647B (en) | 2016-12-23 | 2016-12-23 | Solar absorption refrigeration and liquid cooling combined heat radiation system |
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| CN107223009A (en) * | 2017-07-27 | 2017-09-29 | 西安特锐德智能充电科技有限公司 | A kind of power module and its cooling system |
| CN107869857A (en) * | 2017-11-07 | 2018-04-03 | 北京拓首能源科技股份有限公司 | One kind is based on the second kind absorption type mixing heat pump |
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| CN110274330A (en) * | 2019-06-12 | 2019-09-24 | 哈尔滨理工大学 | A kind of solar energy economical air conditioner |
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