CN106403353A - High-heat-density computer room comprehensive heat dissipation system utilizing CPU waste heat - Google Patents
High-heat-density computer room comprehensive heat dissipation system utilizing CPU waste heat Download PDFInfo
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- CN106403353A CN106403353A CN201610950221.4A CN201610950221A CN106403353A CN 106403353 A CN106403353 A CN 106403353A CN 201610950221 A CN201610950221 A CN 201610950221A CN 106403353 A CN106403353 A CN 106403353A
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- heat
- closed circuit
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- generator
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Classifications
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- 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
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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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
- F24F5/0014—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 absorption or desorption
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- 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
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- 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
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- 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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention relates to the field of heat dissipation of air conditioners in computer rooms, in particular to a high-heat-density computer room comprehensive heat dissipation system utilizing CPU waste heat. The comprehensive heat dissipation system comprises a waste heat utilization device, a lithium bromide absorption refrigerating machine, a cooling device and an air conditioning terminal; the waste heat utilization device, the cooling device and the air conditioning terminal are connected with the lithium bromide absorption refrigerating machine to form a circulation loop; and the lithium bromide absorption refrigerating machine is provided with a refrigerant circulation loop. According to the high-heat-density computer room comprehensive heat dissipation system utilizing the CPU waste heat, heat is dissipated by reasonably utilizing the CPU waste heat on the basis of the working principle of the absorption refrigerating machine; and the comprehensive heat dissipation system has the characteristics of being capable of decreasing the PUE value of a computer room and saving energy sources, clean and free of pollution.
Description
Technical field
This patent is related to air conditioner in machine room field of radiating, and more particularly to a kind of high heat density machine room of utilization CPU waste heat is comprehensive
Close cooling system.
Background technology
With the swift and violent growth of the fast-developing data business demand of IT technology, numerous application high-performance servers etc.
The data center of IT equipment arises at the historic moment.Also high heat density and high energy are brought when a large amount of high-performance server racks run
Consumption problem.According to statistics, in the electricity spent by each data center, the energy consumption of air conditioner refrigerating account for total energy consumption 40%～
50%.Data center's energy resource consumption huge behind causes the great attention of people.
Traditional machine room cooling system is to process machine room as reach-in refrigerator, first cools down ambient temperature, then takes away main setting
The standby heat giving out.Because in data center module, information technoloy equipment is concentrated, heat dissipation capacity is big, and the uninterrupted heavy-duty service of equipment, almost
Whole year is required for outside heat extraction, and the operation energy consumption of therefore its air-conditioning is huge.And with increasing that hyperpyrexia density server uses, single
The power more and more higher of individual frame, some machine rooms occur in that the phenomenon of hot-spot.It is only therefore that air cooled mode will
It is difficult to meet the radiating requirements of server, only liquid conductive mode could discharge enough heats, liquid cooling system is subject to more next
More favors.A kind of cold section of low PUE higher density fluid is disclosed in Chinese patent application prospectus CN102331043A
Energy machine room cooling system, including machine room, rack, air-conditioning box, by compressor, condenser, expansion valve, vaporizer and described air-conditioning box
Water coil constitute compression cooling recirculation system, and be made up of the water coil of natural cooling device and described air-conditioning box naturally cold
But blood circulation, the water coil outlet of air-conditioning box is connected with the entrance of electric T-shaped valve, and two outlets of electric T-shaped valve are respectively
Connect with the water pond tube inlet of vaporizer, the water pond tube inlet of natural cooling device；Microcomputer control system is cooled down with compression respectively
Blood circulation, natural cooling blood circulation, electric T-shaped valve, it is arranged at the first temperature sensor outside natural cooling device, sets
It is placed in the second temperature sensor at rack tailgate and be arranged at the three-temperature sensor at the water coil water inlet pipe of air-conditioning box
Electrical connection.Temperature when CPU runs, typically between 60 ~ 80 DEG C, carries out the cooling water of heat exchange with CPU when liquid cooling system runs
Although up to 40 ~ 60 DEG C of temperature, still can meet server CPU temperature be not higher than upper safety limit value.By this part high temperature
Cooling water is directly radiated, and has both wasted the energy, increased the thermic load of chiller again.
The absorption heating using recovery thermal refrigerating is disclosed in Chinese patent application prospectus CN104101131A
Formula refrigeration machine and its method for cooling and warming, described using reclaim the Absorption Refrigerator that heats of thermal refrigerating include generator,
Condenser, vaporizer, absorber, vacuum pump a, vacuum pump b, cold water inlet road, cold water outlet conduit, hot water inlet pipe road,
Hot water pipeline a, hot water pipeline b, hot water effluent's pipeline, circulating pump.
The method of the cooling and warming of above-mentioned lithium-bromide absorption-type refrigerating machine is as follows：
S1：Hot water to be output to be heated is introduced into condenser by hot water inlet pipe road, escapes and enter suction from hot water pipeline a
Receive device, absorbing thermal temperature after hot water pipeline b discharges increases and enter generator as generator thermal source；Or pass through hot water
Inlet channel is introduced into absorber, after from hot water pipeline a discharge after condenser absorb heat, discharge through hot water pipeline b
Enter generator, as generator thermal source, the media weak solution of freezing of the spray equipment in generator is sprayed for vaporific, misty liquid droplets
It is absorbed into the heat of recovery hot water of generator and is vaporizated into steam, steam passes through pipeline by vacuum pump a suction condenser
In and pressurize, steam runs into the hot water to be output in hot water inlet pipe road within the condenser, releases heat, becomes drop, hot water
Hot water in inlet channel absorbs steam liberated heat and rises high-temperature；Vacuum pump a makes pressure in generator reduce, and makes
In condenser, pressure increases thus promoting liquid in generator to be changed into gas, and promotes gas in condenser to be changed into liquid；
S2：Condensation water drop in condenser enters vaporizer by pipeline after bottom is collected, and is filled by spray in vaporizer
Putting spray is misty liquid droplets, and in drop absorption cold water inlet road, the heat of cold water is changed into gas, after discharging heat and lowering the temperature
Cold water is changed into the cold water of lower temperature and discharges realization refrigeration and energy recovery from cold water outlet conduit；
S3：Gas in vaporizer passes through pipeline by vacuum pump b suction absorber, and the concentrated solution being sprayed by spray equipment is inhaled
Receive, the hot water to be output being changed into liquid and transferring heat to hot water pipeline from gaseous state makes its temperature improve further, very
Empty pump b makes vacuum in vaporizer increase, and in absorber, pressure raises thus promoting liquid in vaporizer to be changed into gas, absorbs
In device, gas is changed into liquid；
S4：Refrigeration media concentrated solution in absorber is changed into, after absorbing steam, media weak solution of freezing, and defeated again by pipeline
Deliver to generator, and spray equipment is drawn into by circulating pump；
S5：Hot water to be output in hot water pipeline b enters generator, provides heat as thermal source, promotes to spray in generator
For the solution boils of misty liquid droplets, and the hot water discharging final output from hot water effluent's pipeline completes to circulate.
Above-mentioned Absorption Refrigerator is provided with vacuum pump a between generator and condenser, absorber and vaporizer it
Between be provided with vacuum pump b, vacuum pump makes in generator and vaporizer vacuum improve, and so that pressure in condenser and absorber is increased
Plus thus promoting liquid in generator and vaporizer to be changed into gas, and gas in condenser and absorber is promoted to be changed into liquid.
On the whole, technique scheme has recycled the heat producing in condenser and absorber, but system is not
Possible spontaneous running, and this heat is inherently by generation in refrigeration machine operation, according to the second law of thermodynamics, this stock
Shortage of heat persistently drives refrigeration machine using the thermal source as generator, so this technical scheme adopts vacuum pump as refrigeration machine
Drive power, but vacuum pump has power consumption greatly, the big shortcoming of noise.
Content of the invention
This patent in order to overcome the above-mentioned deficiencies of the prior art, provides a kind of heat producing when can run using CPU
The high heat density machine room comprehensive heat removal system of the utilization CPU waste heat being radiated, compares machine room generally due to when CPU runs
Temperature is much higher, can be radiated without vacuum pump using heat drive Absorption Refrigerator produced by CPU completely
Addition, have that power consumption is few, the low feature of noise.Comprehensive heat removal system generally good heat dissipation effect, energy-conserving and environment-protective.
For utilizing the high heat density machine room comprehensive heat removal system of CPU waste heat for this patent, above-mentioned technical problem is this
Sample is solved：A kind of high heat density machine room comprehensive heat removal system of utilization CPU waste heat, including residual heat using device, bromination
Lithium-absorbing formula refrigeration machine, chiller and air conditioning terminal, described residual heat using device, chiller and air conditioning terminal respectively with bromine
Change lithium-absorbing formula refrigeration machine and connect formation closed circuit.Described residual heat using device is by CPU heat transfer to suction-type lithium bromide
Utilized in refrigeration machine, chiller is used for taking away the heat of lithium-bromide absorption-type refrigerating machine, and air conditioning terminal is used for absorbing machine
Heat in room, then by closed circuit, heat is discharged in lithium-bromide absorption-type refrigerating machine.Lithium-bromide absorption-type refrigerating machine
Using aspects such as low-grade solar energy, industrial waste heat, waste heats, there is unique advantage, when in lithium-bromide absorption-type refrigerating machine
Driving heat source temperature can start work when reaching 60 DEG C about, due to the heating main body in machine room in the technical program, i.e. CPU
Heat absorbed so that air conditioning terminal does not need to absorb the heat in machine room in a large number by residual heat using device, machine room air themperature
The radiating requirements of machine room can be met in 30 DEG C about even more highs, therefore can accordingly improve lithium-bromide absorption-type refrigerating machine
Operation when body temperature, further reduce needed for driving heat source temperature, and CPU run when temperature typically 60 ~ 80
Between DEG C, produced heat can serve as driving heat source completely, drive lithium-bromide absorption-type refrigerating machine to start, and continue work
Make.The heat that lithium-bromide absorption-type refrigerating machine in this patent absorbs CPU by the use of residual heat using device is carried out as driving heat source
Radiating, reduces machine room PUE value, improves radiating efficiency.
Further, described residual heat using device includes heat pipe and Intermediate Heat Exchanger, one end of heat pipe and Intermediate Heat Exchanger
Contact connects, and the other end of heat pipe is used for the cold heat exchange to CPU liquid, and described Intermediate Heat Exchanger is connected with lithium-bromide absorption-type refrigerating machine
Form closed circuit.When described heat pipe one end is heated, liquid rapid vaporization in pipe, flow to other one under the power of thermal diffusion
End, the one end being connected with Intermediate Heat Exchanger, condense and discharge heat, then flow back to that one end being heated again, so circulate
Incessantly by the heat transfer of server CPU to Intermediate Heat Exchanger, Intermediate Heat Exchanger transfers heat to bromine by closed circuit
Change in lithium-absorbing formula refrigeration machine.By heat pipe heat exchanging it is ensured that Intermediate Heat Exchanger occurs liquid to let out between CPU and Intermediate Heat Exchanger
The normal work of CPU is not interfered with during leakage, and from heat transfer（Radiation, convection current, conduction）Three kinds of modes from the point of view of, wherein right
Spread and lead the soonest, described heat pipe utilizes liquid evaporation and the convection action of condensation, so that heat is quickly conducted.
Further, described heat pipe is obliquely installed, and high one end contacts connection with Intermediate Heat Exchanger.System with respect to vaporization
Cold liquid, condensed refrigerating fluid is easier to stick on heat pipe, is difficult to flow, above-mentioned set-up mode can make to change with Intermediate Heat Exchanger
After heat, the refrigerating fluid of condensation faster flows back to the other end under gravity, improves conduction efficiency.
Further, described Intermediate Heat Exchanger is cooled plate.The pipeline wriggling in described cooled plate can increase unit area
Heat dissipation capacity, heat conductivity is good.
Further, described lithium-bromide absorption-type refrigerating machine includes the evaporation of formation refrigerant circulation loop that is linked in sequence
Device, absorption generating meanss and condenser, are absorbed generating meanss and are connected formation closed circuit, condenser and suction with residual heat using device
Transmitting-receiving generating apparatus are connected formation closed circuit with chiller, and vaporizer is connected formation closed circuit with air conditioning terminal.According to suction
The principle of receipts formula refrigeration machine, described absorption generating meanss are used for driving cold-producing medium and lithium-bromide solution in lithium bromide absorbing type refrigeration
It is circulated in machine, the heat that chiller is taken away condenser by closed circuit and absorbed generating meanss, vaporizer is used for carrying
Walk the heat of air conditioning terminal, in the technical program, absorb the heat that generating meanss absorb residual heat using device, that is, absorb
The heat of CPU, as the driving heat source of lithium-bromide absorption-type refrigerating machine, has saved the energy.
Further, described absorption generating meanss include low-pressure absorber, low pressure generator, high pressure absorber and high pressure
Raw device, high tension generator and low pressure generator are connected with residual heat using device respectively and form closed circuit, high pressure absorber and low
Pressure absorber is connected formation closed circuit respectively with chiller, and low-pressure absorber is connected formation with low pressure generator and loops back
Road, high pressure absorber and high tension generator form closed circuit, and described low-pressure absorber is connected with vaporizer, high tension generator and
Condenser connects, and low pressure generator and high pressure absorber connect.According to the principle of Absorption Refrigerator, described low pressure generator and
High tension generator can be used as thermal source by the use of the heat of the CPU absorbing by residual heat using device, drives suction-type lithium bromide system
Cold, can be greatly improved the thermal efficiency while energy saving.
Further, the closed circuit between described low-pressure absorber and low pressure generator is provided with hypotonic solution heat exchange
Device, the closed circuit between high pressure absorber and high tension generator is provided with high-pressure solution heat exchanger.According to Absorption Refrigerator
Principle, low-pressure absorber and high pressure absorber work at low temperature, and low pressure generator and high tension generator work at high temperature,
Hypotonic solution heat exchanger and high-pressure solution heat exchanger make low-pressure absorber and low pressure generator, high pressure absorber and height respectively
Solution in pressure generator carries out heat exchange, process auxiliary drive lithium-bromide absorption-type refrigerating machine.
Further, the junction of described condenser and vaporizer is provided with the valve for controlling flow.Described valve leads to
Crossing the flow controlling cold-producing medium, thus controlling the heat dissipation capacity of cooling system, can close down in time when there is energy-conservation and breaking down
The effect that system is keeped in repair.
Further, described UTILIZATION OF VESIDUAL HEAT IN is put, chiller 8 and air conditioning terminal are connected with lithium-bromide absorption-type refrigerating machine respectively
The closed circuit connecing formation is provided with water pump.Carry out heat exchange by way of liquid circulation flows, heat conductivity is good.
Further, described water pump is variable frequency pump, by adjusting rotating speed and flow, allows residual heat using device, cooling to fill
Put and keep suitable working condition with air conditioning terminal, have the characteristics that flexible, energy-conservation and maintenance workload are little.
A kind of method of work of cooling system in sum comprises the following steps：
S1：Air conditioning terminal pass through closed circuit the heat transfer in the machine room absorbing the system in vaporizer, in vaporizer
Cryogen absorbs this burst of heat of vaporization；
S2：Absorbent in low-pressure absorber absorbs the cold-producing medium of evaporation in previous step, forms dilute absorbent, chiller simultaneously
Take away the heat of absorbent in low-pressure absorber by closed circuit, make absorbent keep low temperature it is easier to absorb the system of evaporation
Cryogen；
S3：Dilute absorbent is transported in low pressure generator first solution pump, and low pressure generator is absorbed by closed circuit simultaneously
, so that the cold-producing medium in dilute absorbent is evaporated, absorbent is in the presence of the first solution pump for the heat of residual heat using device
It is back in low-pressure absorber and continues to absorb the cold-producing medium of evaporation, absorbent is above-mentioned warm through hypotonic solution in reflux course
Exchanger and the dilute absorbent heat exchange being transported to during low pressure generator；
S4：Absorbent in high pressure absorber absorbs the cold-producing medium of evaporation in previous step, forms dilute absorbent, chiller simultaneously
Take away the heat of absorbent in high pressure absorber by closed circuit, make absorbent keep low temperature it is easier to absorb the system of evaporation
Cryogen；
S5：Dilute absorbent is transported in high tension generator second solution pump, and high tension generator is absorbed by closed circuit simultaneously
, so that the cold-producing medium in dilute absorbent is evaporated, absorbent is in the presence of the second solution pump for the heat of residual heat using device
It is back in high pressure absorber and continues to absorb the cold-producing medium of evaporation, form closed circuit, absorbent warp in above-mentioned reflux course
Too high pressure solution liquid heat exchanger and dilute absorbent heat exchange；
S6：Chiller takes away the heat in condenser by closed circuit, when the cold-producing medium of previous step evaporation is come and high pressure
When in the condenser that generator is connected, its contained heat is recycled road and takes away, and cold-producing medium condenses；
S7：The cold-producing medium of condensation is returned in vaporizer be evaporated by valve, forms closed circuit.
In above-mentioned steps, the method for work of described residual heat using device is as follows：
S31：Described heat pipe utilizes the heat of the CPU in refrigerating fluid evaporation and the convection action absorption server of condensation；
S32：While described cooled plate and heat pipe heat exchanging, low pressure generator and high pressure are rejected heat to by closed circuit
In raw device；
S33：Dilute absorbent in described low pressure generator and high tension generator after absorbing heat evaporates cold-producing medium therein
Come.
This patent, with water as cold-producing medium, with lithium bromide as absorbent, has the characteristics that save energy, cleanliness without any pollution.
Compared with prior art, its advantage has this patent：
According to the principle of Absorption Refrigerator, the heat using server CPU in machine room is thermal source to this patent, to lithium bromide absorption
Formula refrigeration machine is driven, and CPU and machine room is integrally radiated simultaneously, reduces machine room PUE value to greatest extent, has saving energy
Many advantages, such as source, radiating efficiency are high.
Brief description
Below in conjunction with the accompanying drawings, specific implementation of the patent mode is elaborated：
Fig. 1 is this patent comprehensive heat removal system schematic diagram.
Fig. 2 is the structural representation of twin-stage lithium-bromide absorption-type refrigerating machine in Fig. 1 system.
Specific embodiment
Below in conjunction with accompanying drawing, explanation is further explained to this patent.The explanation of being for illustration only property of accompanying drawing is it is impossible to understand
It is the restriction to this patent；In order to the present embodiment is more preferably described, some parts of accompanying drawing have omission, zoom in or out；For this
For skilled person, some known features and its explanation in accompanying drawing may be omitted and be will be understood by.
As illustrated in fig. 1 and 2, the high heat density machine room comprehensive heat removal system of a kind of utilization CPU waste heat, including UTILIZATION OF VESIDUAL HEAT IN dress
Put 100, lithium-bromide absorption-type refrigerating machine 000, chiller 108 and air conditioning terminal 106, described residual heat using device 100, cooling
Device 108 and air conditioning terminal 106 are connected formation closed circuit respectively with lithium-bromide absorption-type refrigerating machine 000.Described UTILIZATION OF VESIDUAL HEAT IN
CPU103 heat transfer is utilized in lithium-bromide absorption-type refrigerating machine 000 by device 100, and chiller 108 is used for taking away
The heat of lithium-bromide absorption-type refrigerating machine 000, air conditioning terminal 106 is used for absorbing the heat in machine room, then passes through closed circuit handle
Heat is discharged in lithium-bromide absorption-type refrigerating machine 000.Because lithium-bromide absorption-type refrigerating machine 000 is using low-grade sun
The aspects such as energy, industrial waste heat, waste heat have unique advantage, when the driving heat source temperature in lithium-bromide absorption-type refrigerating machine 000 reaches
Work can be started during to 60 DEG C about, due to the heating main body in machine room in the technical program, i.e. CPU103, heat by remaining
Heat utilization device 100 absorbs so that air conditioning terminal 106 does not need to absorb the heat in machine room in a large number, and machine room air themperature is 30
DEG C about even more high when can meet the radiating requirements of machine room, therefore can accordingly improve lithium-bromide absorption-type refrigerating machine 000
Operation when body temperature, the temperature of driving heat source needed for reducing further, and temperature when CPU103 runs typically 60 ~
Between 80 DEG C, produced heat is completely available to drive lithium-bromide absorption-type refrigerating machine 000 to start to serve as driving heat source, and
Continuous firing.Lithium-bromide absorption-type refrigerating machine 000 in this programme utilizes the heat that residual heat using device 100 absorbs CPU103 to make
Radiated for driving heat source, reduce machine room PUE value, improve radiating efficiency.
Described residual heat using device 100 includes heat pipe 102 and Intermediate Heat Exchanger 101, one end of heat pipe 102 and intermediate heat transfer
Device 101 contact connects, and the other end of heat pipe 102 is used for carrying out liquid-cooling heat radiation, Intermediate Heat Exchanger with the CPU103 in server 104
101 are connected formation closed circuit with lithium-bromide absorption-type refrigerating machine 000.When described heat pipe 102 one end is heated, the liquid in pipe is fast
Speed vaporization, flows to other end under the power of thermal diffusion, and the one end being connected with Intermediate Heat Exchanger 101 is condensed and discharges
Heat, then flows back to that one end being heated again, so circulates the heat transfer of CPU103 in server 104 incessantly to centre
Heat exchanger 101, Intermediate Heat Exchanger 101 is transferred heat in lithium-bromide absorption-type refrigerating machine 000 by closed circuit.CPU103
By heat pipe 102 heat exchange it is ensured that Intermediate Heat Exchanger 101 occurs not interfering with during liquid leakage and Intermediate Heat Exchanger 101 between
To the normal work of CPU103, and from heat transfer（Radiation, convection current, conduction）Three kinds of modes from the point of view of, wherein convection current conduct
Hurry up, described heat pipe 102 utilizes liquid evaporation and the convection action of condensation, so that heat is quickly conducted.
Described heat pipe 102 is obliquely installed, and high one end contacts connection with Intermediate Heat Exchanger 101.Refrigeration with respect to vaporization
Liquid, condensed refrigerating fluid is easier to stick on heat pipe 102, is difficult to flow, above-mentioned set-up mode can make and Intermediate Heat Exchanger
After 101 heat exchange, the refrigerating fluid of condensation faster flows back to the other end under gravity, improves conduction efficiency.
Described Intermediate Heat Exchanger 101 is cooled plate 101.The pipeline wriggling in described cooled plate 101 can increase unit area
Heat dissipation capacity, heat conductivity is good.
Described lithium-bromide absorption-type refrigerating machine 000 includes being linked in sequence and forms the vaporizer 008 of closed circuit, absorbs and send out
Generating apparatus 009 and condenser 007, are absorbed generating meanss 009 and are contacted connection formation closed circuit with residual heat using device 100, cold
Condenser 007 contacts connection formation closed circuit, vaporizer 008 and air-conditioning end respectively with absorbing generating meanss with chiller 108
End 106 contact connects formation closed circuit.According to the principle of Absorption Refrigerator, described absorption generating meanss 010 are used for driving
Cold-producing medium and lithium-bromide solution are circulated in lithium-bromide absorption-type refrigerating machine, and chiller 108 is taken away by closed circuit
Condenser 007 and the heat absorbing generating meanss 010, vaporizer 008 is used for taking away the heat of air conditioning terminal 106, in this technology
In scheme, absorb the heat that generating meanss 010 absorb residual heat using device 100, that is, the heat absorbing CPU103 is as bromine
Change the driving heat source of lithium-absorbing formula refrigeration machine 000, save the energy.
Described absorption generating meanss 009 include low-pressure absorber 005, low pressure generator 004, high pressure absorber 002 and height
Pressure generator 001, high tension generator 001 and low pressure generator 004 are connected formation with residual heat using device 100 respectively and loop back
Road, high pressure absorber 002 and low-pressure absorber 005 are connected formation closed circuit, low-pressure absorber respectively with chiller 108
005 is connected formation closed circuit by the first solution pump 011 with low pressure generator 004, and high pressure absorber 002 passes through the second solution
Pump 009 forms closed circuit with high tension generator 001, and low-pressure absorber 005 is connected with vaporizer 008, described high tension generator
001 is connected with condenser 007, and described low pressure generator 004 and high pressure absorber 002 connect.Former according to Absorption Refrigerator
Reason, described low pressure generator 004 and high tension generator 001 can secondary using being absorbed by residual heat using device 100
The heat of CPU103, as thermal source, drives lithium-bromide absorption-type refrigerating machine 000, thermal effect can be greatly improved while energy saving
Rate.
Closed circuit between described low-pressure absorber 005 and low pressure generator 004 is provided with hypotonic solution heat exchanger
006, the closed circuit between high pressure absorber 002 and high tension generator 001 is provided with high-pressure solution heat exchanger 003.According to suction
The principle of receipts formula refrigeration machine 000, low-pressure absorber 005 and high pressure absorber 002 require low temperature, low pressure generator 004 and high pressure
Generator 001 requires high temperature, hypotonic solution heat exchanger 006 and high-pressure solution heat exchanger 003 to make low-pressure absorber 005 respectively
Carry out heat exchange with low pressure generator 004, high pressure absorber 002 and the solution in high tension generator 001, process auxiliary drive lithium bromide is inhaled
Receipts formula refrigeration machine 000.
The junction of described condenser 007 and vaporizer 008 is provided with the valve 012 for controlling flow.Described valve 012
By controlling the flow of cold-producing medium, thus controlling the heat dissipation capacity of cooling system, can close in time when there is energy-conservation and breaking down
The effect that stop system is keeped in repair.
Described residual heat using device 100, chiller 108 and air conditioning terminal 106 respectively with lithium-bromide absorption-type refrigerating machine
Connect the closed circuit being formed and be provided with water pump 105.Carry out heat exchange by way of liquid circulation flows, heat conductivity is good.
Described water pump 105 is variable frequency pump 105, by adjusting rotating speed and flow, allows residual heat using device 100, cooling to fill
Put 108 and air conditioning terminal 106 keep suitable working condition, have the characteristics that flexibly, energy-conservation and maintenance workload little.
A kind of more excellent embodiment of this patent, is provided with multiple residual heat using device and absorbs server 104 in system
Middle CPU103 waste heat, is connected 000 formation again and loops back with lithium-bromide absorption-type refrigerating machine after their Intermediate Heat Exchanger 101 parallel connection
Road, decreases the use of pipeline material, saves piping cost.
A kind of method of work of cooling system in sum, step is as follows：
S1：Air conditioning terminal 106 is delivered to self heat in vaporizer 008 by closed circuit, and cold-producing medium is in vaporizer 008
Absorb this burst of heat of vaporization；
S2：Absorbent in low-pressure absorber 005 absorbs the cold-producing medium of evaporation in previous step, forms dilute absorbent, cools down simultaneously
Device 108 takes away the heat of absorbent in low-pressure absorber 005 by closed circuit, makes absorbent keep low temperature it is easier to inhale
Receive the cold-producing medium of evaporation；
S3：Dilute absorbent is transported in low pressure generator 004 first solution pump 011, and low pressure generator 004 passes through circulation simultaneously
Loop absorbs the heat of residual heat using device 100 so that the cold-producing medium in dilute absorbent is evaporated, and absorbent is in the first solution
It is back in the presence of pump 011 in low-pressure absorber 005 and continues to absorb the cold-producing medium of evaporation, form closed circuit, absorbent exists
Above-mentioned in reflux course through hypotonic solution heat exchanger 006 and the dilute absorbent being transported to during low pressure generator 004
Heat exchange；
S4：Absorbent in high pressure absorber 002 absorbs the cold-producing medium of evaporation in previous step, forms dilute absorbent, cools down simultaneously
Device 108 takes away the heat of absorbent in high pressure absorber 002 by closed circuit, makes absorbent keep low temperature it is easier to inhale
Receive the cold-producing medium of evaporation；
S5：Dilute absorbent is transported in high tension generator 001 second solution pump 009, and high tension generator 001 passes through circulation simultaneously
Loop absorbs the heat of residual heat using device 100 so that the cold-producing medium in dilute absorbent is evaporated, and absorbent is in the second solution
It is back in the presence of pump 009 in high pressure absorber 002 and continues to absorb the cold-producing medium of evaporation, form closed circuit, absorbent exists
Through high-pressure solution heat exchanger 003 and dilute absorbent heat exchange in above-mentioned reflux course；
S6：Chiller 108 takes away the heat in condenser 007 by closed circuit, when the cold-producing medium of previous step evaporation is come
When in the condenser 007 being connected with high tension generator 001, its contained heat is recycled road and takes away, and cold-producing medium condenses；
S7：The cold-producing medium of condensation is returned to be evaporated in vaporizer by valve 012, forms closed circuit.
In above-mentioned steps S3, the method for work of described residual heat using device 100 is as follows：
S31：Described heat pipe 102 utilizes the heat of the CPU103 in refrigerating fluid evaporation and the convection action absorption server 104 of condensation
Amount；
S32：Described cooled plate 101 rejects heat to low pressure generator 004 with while heat pipe 102 heat exchange by closed circuit
In high tension generator 001；
S33：Cold-producing medium therein after dilute absorbent absorption heat in described low pressure generator 004 and high tension generator 001
It is evaporated.
This patent, with water as cold-producing medium, with lithium bromide as absorbent, has the characteristics that save energy, cleanliness without any pollution.
Claims (10)
1. a kind of utilization CPU waste heat high heat density machine room comprehensive heat removal system it is characterised in that include residual heat using device,
Lithium-bromide absorption-type refrigerating machine, chiller and air conditioning terminal, described residual heat using device, chiller and air conditioning terminal are respectively
It is connected formation closed circuit with lithium-bromide absorption-type refrigerating machine, residual heat using device is by CPU heat transfer to suction-type lithium bromide
Utilized in refrigeration machine.
2. the high heat density machine room comprehensive heat removal system of a kind of utilization CPU waste heat according to claim 1, its feature exists
In described residual heat using device includes heat pipe and Intermediate Heat Exchanger, and one end of described heat pipe contacts connection with Intermediate Heat Exchanger, heat
The other end of pipe is used for CPU is radiated, and Intermediate Heat Exchanger is connected formation closed circuit with lithium-bromide absorption-type refrigerating machine.
3. the high heat density machine room comprehensive heat removal system of a kind of utilization CPU waste heat according to claim 2, its feature exists
In described heat pipe is obliquely installed, and high one end contacts connection with Intermediate Heat Exchanger.
4. the high heat density machine room comprehensive heat removal system of a kind of utilization CPU waste heat according to claim 2, its feature exists
In described Intermediate Heat Exchanger is cooled plate.
5. the high heat density machine room comprehensive heat removal system of a kind of utilization CPU waste heat according to claim 1, its feature exists
Include being linked in sequence in, described lithium-bromide absorption-type refrigerating machine and form the vaporizer of refrigerant circulation loop, absorb and fill
Put and condenser, absorb generating meanss and be connected formation closed circuit with residual heat using device, condenser and absorption generating meanss divide
It is not connected formation closed circuit with chiller, vaporizer is connected formation closed circuit with air conditioning terminal.
6. the high heat density machine room comprehensive heat removal system of a kind of utilization CPU waste heat according to claim 5, its feature exists
In described absorption generating meanss include low-pressure absorber, low pressure generator, high pressure absorber and high tension generator, and high pressure occurs
Device and low pressure generator are connected formation closed circuit, high pressure absorber and low-pressure absorber and chiller with residual heat using device
Connect and form closed circuit, low-pressure absorber is connected formation closed circuit with low pressure generator, high pressure absorber is occurred with high pressure
Device forms closed circuit, and low-pressure absorber is connected with vaporizer, and high tension generator is connected with condenser, low pressure generator and high pressure
Absorber connects.
7. the high heat density machine room comprehensive heat removal system of a kind of utilization CPU waste heat according to claim 6, its feature exists
Be provided with hypotonic solution heat exchanger in, the closed circuit between described low-pressure absorber and low pressure generator, high pressure absorber with
Closed circuit between high tension generator is provided with high-pressure solution heat exchanger.
8. the high heat density machine room comprehensive heat removal system of a kind of utilization CPU waste heat according to any one of claim 5 ~ 7, its
It is characterised by, the junction of described condenser and vaporizer is provided with the valve for controlling flow.
9. the high heat density machine room comprehensive heat removal system of a kind of utilization CPU waste heat according to any one of claim 1 ~ 7, its
It is characterised by, described residual heat using device, chiller and air conditioning terminal are connected formation respectively with lithium-bromide absorption-type refrigerating machine
Closed circuit be provided with water pump.
10. the high heat density machine room comprehensive heat removal system of a kind of utilization CPU waste heat according to claim 9, its feature exists
In described water pump is variable frequency pump.
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| CN106908850A (en) * | 2017-03-30 | 2017-06-30 | 北京华力兴科技发展有限责任公司 | Heating equipment and planer-type motor vehicle detecting system |
| CN107182191A (en) * | 2017-07-20 | 2017-09-19 | 四川斯普信信息技术有限公司 | It is a kind of to realize the system radiated to cpu chip and server simultaneously |
| CN107741104A (en) * | 2017-10-25 | 2018-02-27 | 北京百度网讯科技有限公司 | Data center's waste heat recovery energy supplying system and data center |
| CN107843027A (en) * | 2017-11-20 | 2018-03-27 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its control method |
| CN107917483A (en) * | 2017-05-22 | 2018-04-17 | 南京工业大学 | A kind of library data computer room residual neat recovering system |
| CN109496107A (en) * | 2018-11-20 | 2019-03-19 | 浙江工商大学 | A kind of potent radiating type machine cabinet structure |
| CN111585287A (en) * | 2020-04-17 | 2020-08-25 | 新风光电子科技股份有限公司 | Heat pipe-based heat dissipation system of high-voltage dynamic reactive power compensation device |
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| CN111585287B (en) * | 2020-04-17 | 2023-02-17 | 新风光电子科技股份有限公司 | Heat pipe-based heat dissipation system of high-voltage dynamic reactive power compensation device |
| CN117346330A (en) * | 2023-12-04 | 2024-01-05 | 珠海格力电器股份有限公司 | Air conditioning system and control method |
| CN117346330B (en) * | 2023-12-04 | 2024-03-08 | 珠海格力电器股份有限公司 | Air conditioning system and control method |
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