CN104699207B - The server radiating system that air-cooled natural cooling heat pipe air conditioner and liquid cooling apparatus combine - Google Patents
The server radiating system that air-cooled natural cooling heat pipe air conditioner and liquid cooling apparatus combine Download PDFInfo
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- CN104699207B CN104699207B CN201510144752.XA CN201510144752A CN104699207B CN 104699207 B CN104699207 B CN 104699207B CN 201510144752 A CN201510144752 A CN 201510144752A CN 104699207 B CN104699207 B CN 104699207B
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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
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Abstract
The invention discloses the server radiating systems that a kind of air-cooled natural cooling heat pipe air conditioner and liquid cooling apparatus combine, including liquid cooled server cabinet, the liquid cooled server cabinet includes cabinet cabinet body and setting machine in the intracorporal multiple liquid cooled servers of cabinet cabinet, direct liquid-cooling heat radiation is carried out to liquid cooled server equipped with liquid cooling apparatus, air-cooled natural cooling heat pipe air conditioner is additionally provided with and carries out auxiliary heat dissipation.The present invention has the characteristics that high density refrigeration, heat exchange efficiency is high, low energy consumption, can solve small hot localised points, occupied area, high reliablity, noise is small, the service life is long.Standard server cabinet can be used in the system.
Description
Technical field
The present invention relates to server cabinet cooling system more particularly to air-cooled natural cooling heat pipe air conditioners and liquid cooling apparatus knot
The server radiating system of conjunction.
Background technique
With being continuously increased for IDC computer room of internet data center high density cabinet, the integrated level of equipment is higher and higher, place
Reason ability also gradually increases, but the power consumption of equipment also increases with it, and causes the calorific value of equipment within machine cabinet more.According to system
Meter, equipment cabinet server calorific value is big in country's large size IDC computer room at present, and essentially whole year 8760h operation, new for not using
For the computer room of wind, whole year is both needed to cooling supply, causes air conditioning energy consumption huge, and air conditioning energy consumption accounts for about data center computer room entirety energy consumption
40% ~ 50%.
Traditional data computer room air supply mode has the air-supply of bottom plate air duct, the air-supply of cold and hot channel separation and full room refrigeration air-supply etc.
Mode, the mode have been unsatisfactory for the refrigeration demand of modernization computer room high density cabinet, occur that hot-spot, power consumption is big, machine
The problems such as room air conditioning energy consumption is excessively high, noise is big.Precise machine room air conditioner need to humidify repeatedly simultaneously, dehumidify operating or mating dedicated dehumidifying
Machine carries out computer room air humidity, dew point control, to ensure that condensation does not occur inside equipment, leads to computer-room air conditioning system refrigerating efficiency
It reduces, energy consumption increases.If the heat dissipation problem solution of computer room is bad, the safe operation of calculator room equipment will be seriously threatened.Therefore
How in the case where meeting equipment requirement, the energy consumption that air-conditioning system in computer room is effectively reduced is air conditioner industry and modem
The major issue that operation industry in room faces.
Consider there is the scheme directlyed adopt by outdoor air introducing interior for computer room cooling at present from Energy Angle, it is excellent
Point is high cooling efficiency, initial cost is low, low energy consumption, but the disadvantage is that introducing outdoor cold air after so that room air cleanliness, wet
Degree is difficult to ensure, brings security risk, and later period operation and maintenance amount is larger.In addition also have using gas gas honeycomb heat exchanger, it will
Heat pipe hot-air and outdoor cold air indirect heat exchange, to reduce temperature in computer room；Its advantage is that when using outdoor cold source not
Outdoor air is introduced, does not influence the cleanliness and humidity of the air in computer room, the disadvantage is that initial cost is relatively high, heat exchanger knot
Structure is more complicated, is easy blocking, needs periodic cleaning, maintenance workload is big.
And with the development of server technology, the server application of high-power, high heat generation density is more and more, Er Qieshi
Irreversible development trend, the maximum operation power of the single cabinet of part industry user has reached the left side 10 ~ 15kW at present
The right side, but due to the limitation of cooling air mode radiating efficiency, so that the application of high-power server is also difficult to break through 15kW/ cabinet
More than.
Liquid-cooling heat radiation is most efficient, the state-of-the-art heat sink conception that developed recently gets up, and principle is that liquid exchanges heat to be situated between
Matter is passed directly into the server internal with liquid cooling function, main heater element -- and the heat that chip (CPU) generates, which is taken away, (to be accounted for
The 70 ~ 80% of entire server calorific value), using liquid-cooling heat radiation scheme, theoretically broken through it is even possible that obtaining unit cabinet power
50kW/ or more.But current this heat sink conception exists only in Scientific Research in University Laboratory and only a few enterprises small range research, and not
One of applied generalization application can be formed, it is important that the reason of, it is because of this server using liquid-cooling heat radiation, cabinet needs
Built-in liquid cooling water distribution system is wanted, this is just needed to the special custom design of liquid cooled server cabinet progress, and cabinet factory
Family is usually standardized production, and the key technology also designed at this stage without grasping liquid cooling water distribution system can not take for liquid cooling
The enclosure product of liquid cooling water distribution system, the upgrading of especially old computer room, if it is desired to changing built in the business mating offer of device user
For liquid-cooling heat radiation scheme, whole server cabinets are all replaced as the cabinet of built-in liquid cooling water distribution system, either
Improvement project amount and cost are all very high, and the development for greatly having limited to liquid-cooling heat radiation technology is universal.In addition, liquid-cooling heat radiation system
System can only take away 70 ~ 80% server calorific value, but still have 20 ~ 30% heat that auxiliary refrigeration device is needed to undertake, for
This Single Cabinet power of liquid cooled server is up to the high-density applications of 50kW or more, and each cabinet needs auxiliary refrigeration device to handle
The heat (the 20 ~ 30% of general power) of 10 ~ 15kW or more, if auxiliary refrigeration device still uses traditional wind-cooling heat dissipating mode,
Easily there is the hot localised points problem of cabinet, influence the component life of server, this is also that the popularization of high density liquid cooled server is answered
The problem of with that cannot ignore.
Application No. is 201010141693.8 Chinese patents " noise-free energy-saving server " to provide a kind of Noiseless energy-saving
Server, comprising: 1) using heat pipe combination liquid cooling mode substitute traditional fan forced convection mode solve processor radiate ask
Topic eliminates fan noise；2) noise is reduced using DDR3 memory low in energy consumption；3) hard disk uses solid state hard disk, eliminates hard disk and makes an uproar
Sound；It 4) the use of fan-free efficient power is system power supply；Specific step is as follows: it is radiated using heat pipe combination liquid cooling mode, it will be hot
Pipe one end is connect with processor, and the other end is connect with water pipe in heat exchanger, according to heat pipe high fever conduction system performance, by processor
The heat transfer of generation flows in water pipe to the water pipe in heat exchanger, cold water, and cold water carries out heat exchange in heat pipe and water pipe,
Cold water is heated, then hot water is discharged from heat exchanger, hot water inputs water cooling pond after chiller refrigeration, so recycles, with
This solves the heat dissipation problem of processor, and water flows through water pump to support.The patent is based on heat pipe heat radiation, main heat
Absorbed by heat pipe, then carry out heat exchange with the mode of liquid cooling and heat pipe again, can only takeaway service device partial heat, it is remaining
Waste heat have no any measure to handle.
Application No. is a kind of Chinese patent of 201410511550.X " heat pipe secondary refrigerant loop server machine cabinet heat radiation systems
The control method of system " a kind of control method of heat pipe secondary refrigerant loop server cabinet cooling system is disclosed, system includes
For return water unit and control system, the refrigerant includes cooling unit and circulation power list for return water unit for computer room unit, refrigerant
Member, the circulation power unit are connect for water conduit tube/computer room return water main pipe with computer room unit by computer room, and circulation power unit is logical
Outdoor outlet connecting tube/outdoor is crossed to return liquid connecting tube and connect with cooling unit；The cooling unit and circulation power unit all with
Control system connection.The computer room unit includes cabinet, more than one radiator fan, multiple servers, multiple heat pipe heat radiations
Device and multiple heat-pipe radiator heat-exchanger rigs, the radiator fan, server, heat-pipe radiator and heat-pipe radiator heat-exchanger rig
It is all disposed in cabinet, heat-pipe radiator is closely bonded on the server, heat-pipe radiator heat-exchanger rig and heat-pipe radiator
Connection, the heat-pipe radiator heat-exchanger rig are connected by water supply branch pipe and computer room for water conduit tube, heat-pipe radiator heat-exchanger rig
It is connect by return branch with computer room return water main pipe.The heat-pipe radiator of the patent is only merely to be fitted on server, not
Most direct heat dissipation is carried out to its most important heating device, in addition, the system is to carry out two loops by Intermediate Heat Exchanger
Heat exchange, this certainly will also cause the relatively direct heat exchange of heat transfer efficiency to want low.It is mainly sent out in addition, the patent only considered server
The heat sink conception of thermal element (CPU), but the heat dissipation (memory hard disk etc.) of other heater elements is not accounted for, so the patent is mentioned
Heat sink conception it is in fact and incomplete.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to have refrigerating efficiency high effect good, will not
There is hot localised points problem and the clothes of the air-cooled natural cooling heat pipe air conditioner without being transformed to cabinet and liquid cooling apparatus combination
Business device cooling system.
Above-mentioned purpose of the invention is achieved by following technical solution:
A kind of server radiating system of air-cooled natural cooling heat pipe air conditioner and liquid cooling apparatus combination, including liquid cooled server
Cabinet, the liquid cooled server cabinet include cabinet cabinet body and setting machine in the intracorporal multiple liquid cooled servers of cabinet cabinet, are equipped with liquid
Device for cooling carries out direct liquid-cooling heat radiation to liquid cooled server, is additionally provided with air-cooled natural cooling heat pipe air conditioner and carries out auxiliary heat dissipation.
The present invention carries out main refrigeration by using liquid-cooling heat radiation technology, and cabinet-level heat pipe heat radiation technology carries out assisted refrigeration, major-minor cooperation
Refrigeration, it is not in hot localised points problem that one side refrigerating efficiency high effect is good, on the other hand, scheme provided by the invention without
Cabinet need to be transformed, this provides universal a possibility that using to liquid-cooling heat radiation.
The liquid cooling apparatus includes liquid cooling heat radiator, distributor, collector and liquid cooling heat transferring medium, the liquid cooling heat radiator
For radiating to server chips, the distributor is connect by more feed liquor connecting branches with liquid cooling heat radiator, liquid cooling
Radiator pass through again more go out liquid connecting branch connect with the collector, the liquid cooling heat transferring medium pass through distributor and feed liquor
Connecting branch enters liquid cooling heat radiator, then by going out liquid connecting branch outflow liquid cooling heat radiator and being collected by collector.Liquid cooling is changed
Thermal medium enters liquid cooling heat radiator by feed liquor connecting branch by distributor, then enters collector by going out liquid connecting branch and formed
Circulation takes away the major heat of liquid cooled server.
The liquid cooling heat transferring medium is tap water, pure water, organic solution, inorganic solution or freon.It is preferred that using pure water.
Further, the liquid cooling heat radiator is set near server chips, or is directly contacted with server chips.
The air-cooled natural cooling heat pipe air conditioner includes evaporator, condenser, air-cooled natural cooling heat exchange device, electric adjustable
Refrigerant valve, cooling-water machine, connecting line and inside and outside cycle heat exchange medium are saved, the evaporator and condenser are connected by connecting line
It connects to form inner ring road, and internal circulation heat-exchanging medium is loaded by the connecting line of inner ring road, the cooling-water machine passes through with condenser
Connecting line connects to form outer ring, and loads external circulation heat exchanging medium by the connecting line of outer ring.The inside and outside loop
Heat transfer is realized by condenser.Gas is evaporated to after liquid internal circulation heat-exchanging Absorption of Medium heat inside the evaporator
State flows into condenser, the external circulation heat exchanging for the low temperature that heat is provided by water pump in heat pipe circulation power effect lower edge connection tracheae
Medium is taken away, and after being condensed into liquid refrigerant, flows back to evaporator along connection liquid pipe and forms circulation.The internal circulation heat-exchanging medium is fluorine
Leon, it is preferred to use the environmental protection R134a freon low with operating pressure；The external circulation heat exchanging medium be water or anti-freezing solution,
The area of zero degree, the preferably anti-freezing solutions such as ethylene glycol solution can be lower than in the lowest temperature.
Further, the air-cooled natural cooling heat pipe air conditioner further includes blower and water pump, and the blower is set to evaporator
Air side, the water pump are set between condenser and cooling-water machine.
Further, the air-cooled natural cooling heat exchange device includes axial flow blower and natural cooling heat exchange coil pipe,
The natural cooling heat exchange coil pipe serial or parallel connection is on the connecting line of inner ring road.
Specifically, a kind of scheme, the connecting line of inner ring road include connection tracheae and connection liquid pipe, the evaporator with it is cold
Condenser is separately connected to form inner ring road by connection tracheae and connection liquid pipe, and the connection tracheae is equipped with air-cooled natural cooling and changes
Thermal and motorized adjustment refrigerant valve, the motorized adjustment refrigerant valve are set to the import or export of air-cooled natural cooling heat exchange device
On pipeline, on the export pipeline that is preferably mounted at.
Another scheme, the connecting line of inner ring road include connecting tracheae and connection liquid pipe, the evaporator and condenser
It is separately connected to form inner ring road by connection tracheae and connection liquid pipe, described air-cooled natural cooling heat exchange device one end is set to connection
On tracheae, the other end is set in connection liquid pipe, and the motorized adjustment refrigerant valve is set to the import of air-cooled natural cooling heat exchange device
Or on export pipeline, on the export pipeline that is preferably mounted at.
It is preferred that using the first scheme, longer natural cooling runing time and more significant energy-saving effect can be obtained.
The liquid cooling apparatus is external to be mounted on cabinet cabinet body, preferably fixed using fixed or active installation
Installation.
The feed liquor connecting branch and feed liquor connecting branch of the liquid cooling apparatus can use hard state tube or soft state pipe, excellent
Select soft state pipe.The evaporator of the air-cooled natural cooling heat pipe air conditioner is mounted on the front door side or tailgate side of cabinet cabinet body, excellent
Choosing is mounted on tailgate side；The evaporator can turn to open with axis, and the tracheae connecting tube and liquid pipe connecting tube of evaporator are all made of soft
State pipe.
The motorized adjustment refrigerant valve of the air-cooled natural cooling heat pipe air conditioner use two-port valve or triple valve, preferably three
Port valve.
When the air-cooled natural cooling heat exchange device is connected on the connecting line of inner ring road, the server radiating system
The operation method of system is as follows:
1) when environment temperature is 20 DEG C or more, cooling-water machine is opened, and air-cooled natural cooling heat exchange device is out of service, electronic
The bypass aperture for adjusting refrigerant valve is that 0%, internal circulation heat-exchanging medium is not passed through air-cooled natural cooling heat exchange device, axial flow blower
In halted state, cooling capacity needed for the condensation of internal circulation heat-exchanging medium is all mentioned by condenser and cooling-water machine by secondary heat exchange
For；
2) when environment temperature is 0 ~ 20 DEG C, cooling-water machine and air-cooled natural cooling heat exchange device open operation, electric adjustable
The bypass aperture of section refrigerant valve is that 100%, all internal circulation heat-exchanging media first flow through air-cooled natural cooling heat exchange device, is utilized
Axial flow blower and heat dissipation pre-cooling, interior circulation are carried out with the forced-convection heat transfer inner loop heat transferring medium of natural cooling heat exchange coil pipe
Heat transferring medium further flows through condenser, the low temperature external circulation heat exchanging medium that remaining condenser heat is provided by cooling-water machine and water pump
It takes away；
3) when environment temperature is 0 DEG C or less, cooling-water machine is out of service, and air-cooled natural cooling heat exchange device opens operation,
The bypass aperture of motorized adjustment refrigerant valve first remains 100%, all internal circulation heat-exchanging media and flows through air-cooled natural cooling heat exchange
Device, and the cooling capacity that natural cooling generates is adjusted by the revolving speed of adjusting axial flow blower；The adjusting of the axial flow blower is as follows:
When internal circulation heat-exchanging medium outlet temperature reaches 8 DEG C or less, reduce the revolving speed of axial flow blower, so that internal circulation heat-exchanging medium goes out
Mouth temperature rises；When internal circulation heat-exchanging medium outlet temperature reaches 12 DEG C or more, then increase the revolving speed of axial flow blower, so that interior
The decline of cycle heat exchange medium outlet temperature；When internal circulation heat-exchanging medium outlet temperature is between 8 ~ 12 DEG C, then axial flow blower turns
Speed remains unchanged；By adjust axial flow blower control internal circulation heat-exchanging medium outlet temperature in appropriate range, 8 ~ 12 DEG C it
Between be optimal.
4) when the cooling capacity that environment temperature is extremely low, axial flow blower has been under minimum speed, natural cooling generates is still bigger than normal
When i.e. internal circulation heat-exchanging medium outlet temperature is 12 DEG C or less, then axial flow blower stable operation under minimum speed is kept, and lead to
The bypass aperture of motorized adjustment refrigerant valve is overregulated to control the cooling capacity of natural cooling generation, the tune of the motorized adjustment refrigerant valve
It saves as follows: when internal circulation heat-exchanging medium outlet temperature reaches 8 DEG C or less, reducing the bypass aperture of motorized adjustment refrigerant valve, make
Internal circulation heat-exchanging medium outlet temperature is obtained to rise；When internal circulation heat-exchanging medium outlet temperature reaches 12 DEG C or more, then start to increase
The bypass aperture of big motorized adjustment refrigerant valve, so that internal circulation heat-exchanging medium outlet temperature declines；When internal circulation heat-exchanging medium goes out
Mouth temperature is between 8 ~ 12 DEG C, then the bypass aperture of motorized adjustment refrigerant valve remains unchanged.By adjusting motorized adjustment refrigerant valve
Internal circulation heat-exchanging medium outlet temperature is controlled in appropriate range, is optimal between 8 ~ 12 DEG C.
When the air-cooled natural cooling heat exchange device is connected in parallel on the connecting line of inner ring road, the server radiating system
The operation method of system is as follows:
11) when environment temperature is 0 DEG C or more, cooling-water machine is opened, and air-cooled natural cooling heat exchange device is out of service, electronic
The bypass aperture for adjusting refrigerant valve is that 0%, internal circulation heat-exchanging medium is not passed through air-cooled natural cooling heat exchange device, axial flow blower
The cooling capacity needed for halted state, internal circulation heat-exchanging medium condensation, is all mentioned by condenser and cooling-water machine by secondary heat exchange
For；
12) when environment temperature is 0 DEG C or less, cooling-water machine is out of service, and air-cooled natural cooling heat exchange device opens operation,
The bypass aperture of motorized adjustment refrigerant valve first remains 100%, all internal circulation heat-exchanging media and flows through air-cooled natural cooling heat exchange
Device, and the cooling capacity that natural cooling generates is adjusted by the revolving speed of adjusting axial flow blower；The adjusting of the axial flow blower is as follows:
When internal circulation heat-exchanging medium outlet temperature reaches 8 DEG C or less, reduce the revolving speed of axial flow blower, so that internal circulation heat-exchanging medium goes out
Mouth temperature rises；When internal circulation heat-exchanging medium outlet temperature reaches 12 DEG C or more, then increase the revolving speed of axial flow blower, so that interior
The decline of cycle heat exchange medium outlet temperature；When internal circulation heat-exchanging medium outlet temperature is between 8 ~ 12 DEG C, then axial flow blower turns
Speed remains unchanged；By adjust axial flow blower control internal circulation heat-exchanging medium outlet temperature in appropriate range, 8 ~ 12 DEG C it
Between be optimal；
13) when the cooling capacity that environment temperature is extremely low, axial flow blower has been under minimum speed, natural cooling generates is still bigger than normal
When i.e. internal circulation heat-exchanging medium outlet temperature is 12 DEG C or less, then axial flow blower stable operation under minimum speed is kept, and lead to
The bypass aperture of motorized adjustment refrigerant valve is overregulated to control the cooling capacity of natural cooling generation, the tune of the motorized adjustment refrigerant valve
It saves as follows: when internal circulation heat-exchanging medium outlet temperature reaches 8 DEG C or less, reducing the bypass aperture of motorized adjustment refrigerant valve, make
Internal circulation heat-exchanging medium outlet temperature is obtained to rise；When internal circulation heat-exchanging medium outlet temperature reaches 12 DEG C or more, then start to increase
The bypass aperture of big motorized adjustment refrigerant valve, so that internal circulation heat-exchanging medium outlet temperature declines；When internal circulation heat-exchanging medium goes out
Mouth temperature is between 8 ~ 12 DEG C, then the bypass aperture of motorized adjustment refrigerant valve remains unchanged.By adjusting motorized adjustment refrigerant valve
Internal circulation heat-exchanging medium outlet temperature is controlled in appropriate range, is optimal between 8 ~ 12 DEG C.
Compared with prior art, beneficial effects of the present invention are as follows:
(1) realize that server cabinet and liquid cooling moisture match the separate design of distributor, cabinet is not necessarily to nonstandard customization, is marking
Independently installed one liquid cooling apparatus with water distribution system can be allowed to have to provide for liquid cooled server on quasi- cabinet cabinet body
The distribution of liquid cooling heat transferring medium and collect function, is conducive to the applied generalization of liquid-cooling heat radiation technology.
(2) main refrigeration is carried out using liquid-cooling heat radiation technology, realizes ultra high density refrigeration and super-high energy-saving operation, only needs to provide
35 ~ 45 DEG C of heat-exchange working medium (such as pure water) can be completed, without any mechanical refrigeration apparatus or systems such as compressor refrigerations.
(3) assisted refrigeration is carried out using cabinet-level heat pipe heat radiation technology, complete dry cooling condition operation, evaporated condensation water are generated, kept away
Exempt the loss of wet humidification, air supplying distance is short, realizes the efficient operation of blower, it might even be possible to which Blower-free operation (passes through server
Itself blower radiates), and effectively settlement server cabinet hot-spot and there are problems that hot spot.
(4) whole system design is simple, and investment is low, hardly takes up any computer room space, and winding houses take up an area utilization rate.
(5) system realizes that data center computer room efficiently saves without power device, the noiseless, safety and environmental protection of operation inside computer room
The purpose of energy, safe and reliable operation.
Detailed description of the invention
Fig. 1 is the structure and schematic illustration of embodiment 1；
Wherein, 1. cabinet cabinet body；2. liquid cooled server；3. liquid cooled server chip；4. liquid cooling heat radiator；5. afflux
Device；6. distributor；7. feed liquor connecting branch；8. evaporator；9. blower；10. condenser；11. connecting liquid pipe；12. connecting
Trachea；13. water pump；14. cooling-water machine；15. liquid cooling heat transferring medium；16. internal circulation heat-exchanging medium；17. going out liquid connection branch
Pipe；18. air-cooled natural cooling heat exchange device；19. axial flow blower；20. natural cooling heat exchange coil pipe；21. motorized adjustment refrigerant
Valve；22. external circulation heat exchanging medium；I, liquid cooled server cabinet；II, liquid cooling apparatus；The air-cooled natural cooling heat pipe air conditioner of III,.
Fig. 2 is the structure and schematic illustration of embodiment 2；
Wherein, 1. cabinet cabinet body；2. liquid cooled server；3. liquid cooled server chip；4. liquid cooling heat radiator；5. afflux
Device；6. distributor；7. feed liquor connecting branch；8. evaporator；9. blower；10. condenser；11. connecting liquid pipe；12. connecting
Trachea；13. water pump；14. cooling-water machine；15. liquid cooling heat transferring medium；16. internal circulation heat-exchanging medium；17. going out liquid connection branch
Pipe；18. air-cooled natural cooling heat exchange device；19. axial flow blower；20. natural cooling heat exchange coil pipe；21. motorized adjustment refrigerant
Valve；22. external circulation heat exchanging medium；I, liquid cooled server cabinet；II, liquid cooling apparatus；The air-cooled natural cooling heat pipe air conditioner of III,.
Specific embodiment
The present invention is made with specific embodiment with reference to the accompanying drawings of the specification and further being elaborated, but embodiment is simultaneously
The present invention is not limited in any form.
Embodiment 1
Such as Fig. 1, a kind of server radiating system of natural cooling water-cooling device and liquid cooling apparatus combination, including liquid cooling service
Device cabinet I, liquid cooling apparatus II and air-cooled natural cooling heat pipe air conditioner III.The liquid cooled server cabinet I includes 1 He of cabinet cabinet body
Setting machine is equipped with liquid cooled server chip 3, the liquid cooling in the intracorporal multiple liquid cooled servers 2 of cabinet cabinet, the liquid cooled server 2
Device II includes liquid cooling heat radiator 4, distributor 6 and collector 5, and the distributor 6 and collector 5 are connected by more feed liquors respectively
It connects branch pipe 7 and liquid connecting branch 17 is connect one by one with the liquid cooling heat radiator 4 being set in liquid cooled server out, the liquid-cooling heat radiation
Device 4 is contacted with liquid cooled server chip 3 or is set near chip 3；The air-cooled natural cooling heat pipe air conditioner III includes being located at machine
The evaporator 8 of 1 tailgate side of cabinet cabinet body, connection tracheae 12, connects liquid pipe 11, is air-cooled the blower 9 for being mounted on 8 air side of evaporator
Natural cooling heat exchange device 18, motorized adjustment refrigerant valve 21, water pump 13, condenser 10 and cooling-water machine 14, the evaporator 8 with it is cold
Condenser 10 by connection tracheae 12 and connection liquid pipe 11 is separately connected to form inner ring road, the connection tracheae 12 be equipped with it is air-cooled certainly
Right cooling heat exchange device 18 and motorized adjustment refrigerant valve 21, the motorized adjustment refrigerant valve 21 are mounted on air-cooled natural cooling heat exchange
On the export pipeline of device 18；The condenser 10 connect to form outer ring with cooling-water machine 14, the condenser 10 and cooling-water machine
Water pump 13 is additionally provided between 14.
Further, the air-cooled natural cooling heat exchange device 18 includes axial flow blower 19 and natural cooling heat exchange coil pipe
18, described 18 one end of natural cooling heat exchange coil pipe is located at the other end on connection tracheae 12 and connect with motorized adjustment refrigerant valve 21.Electricity
The dynamic refrigerant valve 21 that adjusts uses two-port valve or triple valve, preferably triple valve.
The feed liquor connecting branch 7 of the liquid cooling apparatus II, out the connection tracheae 12 of liquid connecting branch 17 and evaporator 8,
Connection 11 pipe of liquid is all made of soft state pipe.The liquid cooling apparatus II is external to be mounted on cabinet cabinet body 1, and use is fixedly mounted.
The evaporator 8 can turn to open with axis.
The liquid cooling heat transferring medium 15 of the liquid cooling apparatus II and liquid cooled server 2, using pure water；It is described it is air-cooled from
So the internal circulation heat-exchanging medium 16 of cooling heat pipe air conditioner III is R134a freon；The external circulation heat exchanging medium 22 is water,
The lowest temperature can be lower than the area of zero degree, the preferably anti-freezing solutions such as ethylene glycol solution.
When this system is run, the calorific value of the liquid cooled server chip 3 in liquid cooled server 2 occupies total calorific value about 80%,
This partial heat is absorbed by liquid cooling heat radiator 4, and the liquid cooling by flowing through about 35 ~ 45 DEG C of liquid cooling heat radiator 4, temperature exchanges heat and is situated between
Matter 15 is taken away, so that the internal temperature of liquid cooled server chip 3 is maintained at 60 ~ 70 DEG C of normal operating condition.Each liquid cooling clothes
The assignment of traffic of the liquid cooling heat transferring medium 15 of liquid cooling heat radiator 4 inside business device 2 and collect, is completed by liquid cooling apparatus II: warm
After the liquid cooling heat transferring medium 15 of about 35 ~ 45 DEG C of degree flows into distributor 6 from general piping for liquids road, liquid is entered by feed liquor connecting branch 7
Cold heat sink 4, absorb liquid cooled server chip 3 heat after, become 40 ~ 50 DEG C of state of temperatures, by going out liquid connecting branch 17
Manifold road is flowed back into collector 5.
The calorific value of other elements in liquid cooled server 2 occupies total calorific value about 20%, this partial heat passes through server
The air stream that the blower 9 of blower itself or air-cooled natural cooling heat pipe air conditioner III generates is taken away, and air-cooled natural cooling heat pipe is flowed through
After the evaporator 8 of air-conditioning III, the heat of air stream is absorbed by 15 ~ 20 DEG C of internal circulation heat-exchanging medium 16, so that airflow temperature
20 ~ 25 DEG C or so are re-cooled to, server takeaway service device internal element heat is back flowed back into, is so recycled.
The internal circulation heat-exchanging medium 16 of liquid inside the interior circulation of air-cooled natural cooling heat pipe air conditioner III, evaporator 8
It is evaporated to gaseous state after absorbing heat, flows into condenser 9 in heat pipe circulation power effect lower edge connection tracheae 12, heat is by water pump 13
The external circulation heat exchanging medium 22 of the low temperature of offer is taken away, and after being condensed into liquid refrigerant, flows back to evaporator 8 along connection liquid pipe 11, such as
This circulation.
In air-cooled natural cooling heat pipe air conditioner III, according to the difference of environment temperature, there are three types of operational modes:
1) complete mechanical cooling operation mode: environment temperature is relatively high (at such as 20 DEG C or more), and cooling-water machine 14 is opened, air-cooled
Natural cooling heat exchange device 18 is out of service, the bypass aperture of motorized adjustment refrigerant valve 21 be 0%, internal circulation heat-exchanging medium 16 not
Air-cooled natural cooling heat exchange device 18 is flowed through, axial flow blower 19 is also at halted state, needed for internal circulation heat-exchanging medium 16 condenses
Cooling capacity, secondary heat exchange is all passed through by condenser 10 and cooling-water machine 14 and is provided.
2) hybrid refrigeration operational mode: environment temperature is lower (at such as 0 ~ 20 DEG C), and cooling-water machine 14 and air-cooled natural cooling are changed
Thermal 18 opens operation, and the bypass aperture of motorized adjustment refrigerant valve 21 is 100%, all internal circulation heat-exchanging media 16 are first
Flow through air-cooled natural cooling heat exchange device 18, the forced-convection heat transfer using axial flow blower 19 and with natural cooling heat exchange coil pipe 20
Inner loop heat transferring medium 16 carries out heat dissipation pre-cooling (partial condensation), and internal circulation heat-exchanging medium 16 further flows through condenser
10, the low temperature external circulation heat exchanging medium 22 that remaining condenser heat is provided by cooling-water machine 14 and water pump 13 is taken away.
3) complete natural cooling operational mode: environment temperature is lower (at such as 0 DEG C or less), and cooling-water machine 14 is out of service, wind
Cold natural cooling heat exchange device 18 opens operation, and the bypass aperture of motorized adjustment refrigerant valve 21 first remains 100%, all interior
Cycle heat exchange medium 16 flows through air-cooled natural cooling heat exchange device 18, and adjusts nature by the revolving speed of adjusting axial flow blower 19
The cooling cooling capacity generated；If environment temperature is extremely low, it is natural that axial flow blower 19 has been under minimum speed (usually 10 ~ 30%)
The cooling cooling capacity generated is still bigger than normal (to show that 16 temperature and pressure of internal circulation heat-exchanging medium is relatively low, such as internal circulation heat-exchanging medium
Outlet temperature is 12 DEG C or less), then the stable operation under minimum speed of axial flow blower 19 is kept, and cold by adjusting motorized adjustment
The bypass aperture of matchmaker's valve 21 come control natural cooling generation cooling capacity.
Embodiment 2:
Such as Fig. 2, a kind of server radiating system of natural cooling water-cooling device and liquid cooling apparatus combination, including liquid cooling service
Device cabinet I, liquid cooling apparatus II and air-cooled natural cooling heat pipe air conditioner III.The liquid cooled server cabinet I includes 1 He of cabinet cabinet body
Setting machine is equipped with liquid cooled server chip 3, the liquid cooling in the intracorporal multiple liquid cooled servers 2 of cabinet cabinet, the liquid cooled server 2
Device II includes liquid cooling heat radiator 4, distributor 6 and collector 5, and the distributor 6 and collector 5 are connected by more feed liquors respectively
It connects branch pipe 7 and liquid connecting branch 17 is connect one by one with the liquid cooling heat radiator 4 being set in liquid cooled server out, the liquid-cooling heat radiation
Device 4 is contacted with liquid cooled server chip 3 or is set near chip 3；The air-cooled natural cooling heat pipe air conditioner III includes being located at machine
The evaporator 8 of cabinet cabinet body tailgate side, the blower 9 for being mounted on 8 air side of evaporator, connection tracheae 12, connection liquid pipe 11, it is air-cooled from
Right cooling heat exchange device 18, motorized adjustment refrigerant valve 21, water pump 13, condenser 10 and cooling-water machine 14, the evaporator 8 and condensation
Device 10 is separately connected to form inner ring road by connection tracheae 12 and connection liquid pipe 11, the air-cooled natural cooling heat exchange device 18 1
End is located at the other end on connection tracheae 12 and is located in connection liquid pipe 11, on air-cooled 18 export pipeline of natural cooling heat exchange device
Equipped with motorized adjustment refrigerant valve 21；The condenser 10 connect to form outer ring with cooling-water machine 14, the condenser 10 and cold water
Water pump 13 is equipped between machine 14.
Further, the air-cooled natural cooling heat exchange device 18 includes axial flow blower 19 and natural cooling heat exchange coil pipe
18, described 18 one end of natural cooling heat exchange coil pipe is located at the other end on connection tracheae 12 and connect with motorized adjustment refrigerant valve 21.Electricity
The dynamic refrigerant valve 21 that adjusts uses triple valve.
The feed liquor connecting branch 7 of the liquid cooling apparatus II, out the connection tracheae 12 of liquid connecting branch 17 and evaporator 8,
Connection 11 pipe of liquid is all made of soft state pipe.The liquid cooling apparatus II is external to be mounted on cabinet cabinet body 1, and use is fixedly mounted.
The evaporator 8 can turn to open with axis.
The liquid cooling heat transferring medium 15 of the liquid cooling apparatus II and liquid cooled server 2, using pure water；It is described it is air-cooled from
So the internal circulation heat-exchanging medium 16 of cooling heat pipe air conditioner III is R134a freon；The external circulation heat exchanging medium 22 is water,
The lowest temperature can be lower than the area of zero degree, the preferably anti-freezing solutions such as ethylene glycol solution.
When this system is run, the calorific value of the liquid cooled server chip 3 in liquid cooled server 2 occupies total calorific value about 80%,
This partial heat is absorbed by liquid cooling heat radiator 4, and the liquid cooling by flowing through about 35 ~ 45 DEG C of liquid cooling heat radiator 4, temperature exchanges heat and is situated between
Matter 15 is taken away, so that the internal temperature of liquid cooled server chip 3 is maintained at 60 ~ 70 DEG C of normal operating condition.Each liquid cooling clothes
The assignment of traffic of the liquid cooling heat transferring medium 15 of liquid cooling heat radiator 4 inside business device 2 and collect, is completed by liquid cooling apparatus II: warm
After the liquid cooling heat transferring medium 15 of about 35 ~ 45 DEG C of degree flows into distributor 6 from general piping for liquids road, liquid is entered by feed liquor connecting branch 7
Cold heat sink 4, absorb liquid cooled server chip 3 heat after, become 40 ~ 50 DEG C of state of temperatures, by going out liquid connecting branch 17
Into collector 5, flow back to manifold road.
The calorific value of other elements in liquid cooled server 2 occupies total calorific value about 20%, this partial heat passes through server
The air stream that the blower 9 of blower itself or air-cooled natural cooling heat pipe air conditioner III generates is taken away, and air-cooled natural cooling heat pipe is flowed through
After the evaporator 8 of air-conditioning III, the heat of air stream is absorbed by 15 ~ 20 DEG C of internal circulation heat-exchanging medium 16, so that airflow temperature
20 ~ 25 DEG C or so are re-cooled to, server takeaway service device internal element heat is back flowed back into, is so recycled.
The internal circulation heat-exchanging medium 16 of liquid inside the interior circulation of air-cooled natural cooling heat pipe air conditioner III, evaporator 8
It is evaporated to gaseous state after absorbing heat, flows into condenser 9 in heat pipe circulation power effect lower edge connection tracheae 12, heat is by water pump 13
The external circulation heat exchanging medium 22 of the low temperature of offer is taken away, and after being condensed into liquid refrigerant, flows back to evaporator 8 along connection liquid pipe 11, such as
This circulation.
In air-cooled natural cooling heat pipe air conditioner III, according to the difference of environment temperature, there are two types of operational modes:
1) mechanical refrigeration operational mode: environment temperature is relatively high (at such as 0 DEG C or more), and cooling-water machine 14 is opened, air-cooled nature
Cooling heat exchange device 18 is out of service, and the bypass aperture of motorized adjustment refrigerant valve 21 is that 0%, internal circulation heat-exchanging medium 16 is not passed through
Air-cooled natural cooling heat exchange device 18, axial flow blower 19 are also at halted state, and internal circulation heat-exchanging medium 16 condenses required cold
Amount is all provided by condenser 10 and cooling-water machine 14 by secondary heat exchange.
2) natural cooling operational mode: environment temperature is lower (at such as 0 DEG C or less), and cooling-water machine 14 is out of service, it is air-cooled from
Right cooling heat exchange device 18 opens operation, and the bypass aperture of motorized adjustment refrigerant valve 21 first remains 100%, all interior circulations
Heat transferring medium 16 flows through air-cooled natural cooling heat exchange device 18, and adjusts natural cooling by the revolving speed of adjusting axial flow blower 19
The cooling capacity of generation；If environment temperature is extremely low, axial flow blower 19 has been under minimum speed (usually 10 ~ 30%) natural cooling
The cooling capacity of generation is still bigger than normal (to show that 16 temperature and pressure of internal circulation heat-exchanging medium is relatively low, such as internal circulation heat-exchanging media outlet
Temperature is 12 DEG C or less), then the stable operation under minimum speed of axial flow blower 19 is kept, and by adjusting motorized adjustment refrigerant valve
21 bypass aperture come control natural cooling generation cooling capacity.
Claims (8)
1. the server radiating system that a kind of air-cooled natural cooling heat pipe air conditioner and liquid cooling apparatus combine, including liquid cooled server machine
Cabinet, the liquid cooled server cabinet include cabinet cabinet body and setting machine in the intracorporal multiple liquid cooled servers of cabinet cabinet, and feature exists
In being equipped with liquid cooling apparatus and carry out direct liquid-cooling heat radiation to liquid cooled server, be additionally provided with air-cooled natural cooling heat pipe air conditioner and carry out
Auxiliary heat dissipation；
The air-cooled natural cooling heat pipe air conditioner includes that evaporator, condenser, air-cooled natural cooling heat exchange device, motorized adjustment are cold
Matchmaker's valve, cooling-water machine, connecting line and inside and outside cycle heat exchange medium, the evaporator connect shape by connecting line with condenser
Internal circulation heat-exchanging medium, the air-cooled natural cooling heat exchange device string are loaded at inner ring road, and by the connecting line of inner ring road
Join or be connected in parallel on the connecting line of inner ring road, the motorized adjustment refrigerant valve is set to the import of air-cooled natural cooling heat exchange device
Or on export pipeline, the cooling-water machine connect to form outer ring by connecting line with condenser, and the connection for passing through outer ring
Pipeline loads external circulation heat exchanging medium, and the inside and outside loop realizes heat transfer by condenser；
The liquid cooling apparatus includes liquid cooling heat radiator, distributor, collector and liquid cooling heat transferring medium, and the liquid cooling heat radiator is used for
It radiates to server chips, the distributor is connect by more feed liquor connecting branches with liquid cooling heat radiator, liquid-cooling heat radiation
Device pass through again more go out liquid connecting branch connect with the collector, the liquid cooling heat transferring medium pass through distributor connected with feed liquor
Branch pipe enters liquid cooling heat radiator, then by going out liquid connecting branch outflow liquid cooling heat radiator and being collected by collector.
2. the server radiating system that air-cooled natural cooling heat pipe air conditioner and liquid cooling apparatus combine according to claim 1,
It is characterized in that, the air-cooled natural cooling heat pipe air conditioner further includes blower and water pump, and the blower is set to evaporator air side, institute
Water pump is stated to be set between condenser and cooling-water machine.
3. the server radiating system that air-cooled natural cooling heat pipe air conditioner and liquid cooling apparatus combine according to claim 1,
It is characterized in that, the air-cooled natural cooling heat exchange device includes axial flow blower and natural cooling heat exchange coil pipe, described naturally cold
But heat exchange coil serial or parallel connection is on the connecting line of inner ring road.
4. the server radiating system that air-cooled natural cooling heat pipe air conditioner and liquid cooling apparatus combine according to claim 1,
It is characterized in that, the internal circulation heat-exchanging medium is freon, and the external circulation heat exchanging medium is water or anti-freezing solution.
5. the server radiating system that air-cooled natural cooling heat pipe air conditioner and liquid cooling apparatus combine according to claim 1,
It is characterized in that, the liquid cooling heat transferring medium is tap water, pure water, organic solution, inorganic solution or freon.
6. the server radiating system that air-cooled natural cooling heat pipe air conditioner and liquid cooling apparatus combine according to claim 1,
It is characterized in that, the liquid cooling heat radiator is set near server chips, or is directly contacted with server chips.
7. the server that air-cooled natural cooling heat pipe air conditioner described in any one and liquid cooling apparatus combine according to claim 1 ~ 6 dissipates
Hot systems, which is characterized in that when the air-cooled natural cooling heat exchange device is connected on the connecting line of inner ring road, the clothes
The operation method of business device cooling system is as follows:
1) when environment temperature is 20 DEG C or more, cooling-water machine is opened, and air-cooled natural cooling heat exchange device is out of service, motorized adjustment
The bypass aperture of refrigerant valve is that 0%, internal circulation heat-exchanging medium is not passed through air-cooled natural cooling heat exchange device, and axial flow blower is also at
Halted state, cooling capacity needed for the condensation of internal circulation heat-exchanging medium are all provided by condenser and cooling-water machine by secondary heat exchange；
2) when environment temperature is 0 ~ 20 DEG C, cooling-water machine and air-cooled natural cooling heat exchange device open operation, and motorized adjustment is cold
The bypass aperture of matchmaker's valve is that 100%, all internal circulation heat-exchanging media first flow through air-cooled natural cooling heat exchange device, utilizes axis stream
Blower and heat dissipation pre-cooling, internal circulation heat-exchanging are carried out with the forced-convection heat transfer inner loop heat transferring medium of natural cooling heat exchange coil pipe
Medium further flows through condenser, the low temperature external circulation heat exchanging medium belt that remaining condenser heat is provided by cooling-water machine and water pump
It walks；
3) when environment temperature is 0 DEG C or less, cooling-water machine is out of service, and air-cooled natural cooling heat exchange device opens operation, electronic
The bypass aperture for adjusting refrigerant valve first remains 100%, all internal circulation heat-exchanging media and flows through air-cooled natural cooling heat exchange dress
It sets, and adjusts the cooling capacity of natural cooling generation by the revolving speed of adjusting axial flow blower；
4) when the cooling capacity that environment temperature is extremely low, axial flow blower has been under minimum speed, natural cooling generates is still bigger than normal i.e. interior
When cycle heat exchange medium outlet temperature is 12 DEG C or less, then axial flow blower stable operation under minimum speed is kept, and pass through tune
Section electric adjusts the bypass aperture of refrigerant valve to control the cooling capacity of natural cooling generation.
8. the server that air-cooled natural cooling heat pipe air conditioner described in any one and liquid cooling apparatus combine according to claim 1 ~ 6 dissipates
Hot systems, which is characterized in that when the air-cooled natural cooling heat exchange device is connected in parallel on the connecting line of inner ring road, the clothes
The operation method of business device cooling system is as follows:
11) when environment temperature is 0 DEG C or more, cooling-water machine is opened, and air-cooled natural cooling heat exchange device is out of service, motorized adjustment
The bypass aperture of refrigerant valve is that 0%, internal circulation heat-exchanging medium is not passed through air-cooled natural cooling heat exchange device, and axial flow blower is also at
Halted state, cooling capacity needed for the condensation of internal circulation heat-exchanging medium are all provided by condenser and cooling-water machine by secondary heat exchange；
12) when environment temperature is 0 DEG C or less, cooling-water machine is out of service, and air-cooled natural cooling heat exchange device opens operation, electronic
The bypass aperture for adjusting refrigerant valve first remains 100%, all internal circulation heat-exchanging media and flows through air-cooled natural cooling heat exchange dress
It sets, and adjusts the cooling capacity of natural cooling generation by the revolving speed of adjusting axial flow blower；
13) when the cooling capacity that environment temperature is extremely low, axial flow blower has been under minimum speed, natural cooling generates is still bigger than normal i.e. interior
When cycle heat exchange medium outlet temperature is 12 DEG C or less, then axial flow blower stable operation under minimum speed is kept, and pass through tune
Section electric adjusts the bypass aperture of refrigerant valve to control the cooling capacity of natural cooling generation.
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