CN105451509B - A kind of fluorine pumps the control method of a loop server cabinet cooling system - Google Patents
A kind of fluorine pumps the control method of a loop server cabinet cooling system Download PDFInfo
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- CN105451509B CN105451509B CN201410483385.1A CN201410483385A CN105451509B CN 105451509 B CN105451509 B CN 105451509B CN 201410483385 A CN201410483385 A CN 201410483385A CN 105451509 B CN105451509 B CN 105451509B
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- refrigerant
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 196
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 196
- 239000011737 fluorine Substances 0.000 title claims abstract description 196
- 238000001816 cooling Methods 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003507 refrigerant Substances 0.000 claims abstract description 83
- 238000009833 condensation Methods 0.000 claims abstract description 36
- 230000004087 circulation Effects 0.000 claims abstract description 34
- 125000001153 fluoro group Chemical group F* 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 239000007921 spray Substances 0.000 claims description 38
- 230000009471 action Effects 0.000 claims description 24
- 239000000523 sample Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 18
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 14
- 241000736911 Turritella communis Species 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 description 10
- 238000004378 air conditioning Methods 0.000 description 5
- 230000003749 cleanliness Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 241000628997 Flos Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention discloses the control method that a kind of fluorine pumps a loop server cabinet cooling system, fluorine unit is supplied back including computer room unit and refrigerant, the refrigerant supplies back fluorine unit to include circulation power unit and cooling unit, and the computer room unit, circulation power unit and cooling unit are in turn connected to form closed circulation.The present invention realizes that cabinet cold wind short distance accurately conveys, and settlement server cabinet hot-spot and there are problems that hot spot；Simultaneously using natural cooling measure, heat transfer temperature difference is big, efficient, anti-condensation using active, has the characteristics of high reliability, low in energy consumption, noise is small, meets energy conservation and environmental protection theory.
Description
Technical field
A loop server cabinet is pumped the present invention relates to a kind of server cabinet cooling system more particularly to a kind of fluorine to dissipate
The control method of hot systems.
Background technology
With being continuously increased for IDC computer room of internet data center high density cabinets, the integrated level of equipment is higher and higher, place
Reason ability also gradually increases, but the power consumption of equipment also increases therewith, and the calorific value for leading to equipment within machine cabinet is more.According to system
Meter, equipment cabinet server calorific value is big in country's large size IDC computer rooms at present, and essentially whole year 8760h operations, new for not using
For the computer room of wind, whole year is both needed to cooling, causes air conditioning energy consumption huge, and air conditioning energy consumption accounts for about data center module 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 pattern 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 special dehumidifying
Machine carries out computer room air humidity, dew point control, to ensure condensation does not occur inside equipment, leads to computer-room air conditioning system refrigerating efficiency
It reduces, energy consumption increase.If computer room heat dissipation problem solve it is bad, will serious threat calculator room equipment safe operation.Therefore
How in the case where meeting equipment requirement, the energy consumption for effectively reducing air-conditioning system in computer room is air conditioner industry and modem
The major issue that operation industry in room faces.
Consider there is the scheme for directly using and outdoor air introducing interior cooling down for computer room at present from Energy Angle, it is excellent
Point is high cooling efficiency, initial cost is low, low energy consumption, but shortcoming is after introducing outdoor cold air so that room air cleanliness factor, wet
Degree is difficult to ensure that, brings security risk, and later stage 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, so as to reduce temperature in computer room；Its advantage be using outdoor cold source when not
Outdoor air is introduced, does not influence the cleanliness factor and humidity of the air in computer room, shortcoming is that initial cost is relatively high, heat exchanger knot
Structure is more complicated, easily blocks, needs periodic cleaning, maintenance workload is big.
Application No. is 201320691041.0 Chinese patents《A kind of equipment cabinet server heat transmission foreboard system》It provides
A kind of equipment cabinet server heat transmission foreboard system, heat exchange foreboard, connection ball valve, connection flexible pipe, feed liquor house steward, outlet/return water are total
Pipe, valve, Intermediate Heat Exchanger, liquid storage device, liquid storage device entry/exit liquid pipe, the fluorine series connection of pumps composition coolant refrigeration agent circulatory system；It is intermediate
Heat exchanger, valve, return pipe, handpiece Water Chilling Units, outlet pipe, water pump are composed in series freezing water-cooling circulating system.The utility model
It is mainly used for open air, and cannot be used for the server radiating of large-scale computer room.The utility model is to be placed in machine using heat exchange foreboard
Cabinet side is radiated, i.e., radiating treatment is integrally carried out to whole cabinet, but it is big to consume energy.
Application No. is 201010033887.6 Chinese patents《A kind of cooling machine cabinet method and device》Provide a kind of machine
Cabinet heat radiation device, including：Cabinet, top are provided with hot-blast outlet, and lower part is provided with cold air inlet；Blowing unit, will be by cold wind
The cold wind of entrance input is conveyed from bottom to top by cabinet lower part；Liquid cooling unit carries out the hot-air discharged by hot-blast outlet cold
But it, and by cold air inlet is input in cabinet.Although the patent organically combines vertical refrigeration with water-cooling pattern, energy
Consumption is big, and can not be applied to the server radiating of large-scale computer room.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of energy efficiency, heat exchange efficiency height, reliabilities
It is high, noise is small, long lifespan fluorine pump refrigerant loop server cabinet cooling system of internal-circulation type, realize that system is actively anti-condensation
Dew, it is ensured that the cleanliness factor and humidity of air in computer room.
The above-mentioned purpose of the present invention is achieved by following technical solution：
A kind of fluorine pumps a loop server cabinet cooling system, and fluorine unit is supplied back including computer room unit and refrigerant, described
Refrigerant supplies back fluorine unit to include circulation power unit and cooling unit, the computer room unit, circulation power unit and cooling unit
It is in turn connected to form closed circulation.The present invention realizes refrigerant circulation, server cabinet air heat dissipation cycle by closed circulation
It radiates and recycles with cooling tower, energy efficiency, heat exchange efficiency are high, reliability is high, noise is small, it is ensured that chilled water is not brought into computer room,
There is no because causing danger of the water into computer room during booster, free from admixture enters in cycle fluorine system system, can ensure the cycle in computer room
Fluorinated refrigerant is not contaminated, prolongs the service life.
Further, the closed circulation is to connect computer room unit and circulation power for fluorine main pipe equipped with computer room refrigerant loop
Unit connects circulation power unit and cooling unit equipped with outdoor fluorine feeding connection pipe, equipped with computer room refrigerant loop return fluorine main pipe and
Outdoor fluorine returning connection pipe connection computer room unit and cooling unit.
The computer room unit includes the equipment cabinet server cooling system of multiple parallel connections, the equipment cabinet server cooling system packet
Server cabinet, multiple radiator fans, multiple servers and multiple heat-pipe radiators are included, multiple radiator fans are set to server
Interior of equipment cabinet top, the multiple heat-pipe radiator are separately positioned on server lower end.Heat-pipe radiator direct heat transfer cooling clothes
Business device realizes the short distance conveying of cold wind, solves cabinet hot-spot and there are hot issues.Meanwhile heat-pipe radiator is by machine
Cabinet server interlocked control, when a certain equipment cabinet server is stopped, corresponding heat-pipe radiator is also automatically shut down, no longer
There is refrigerant circulation；When equipment cabinet server is restarted, heat-pipe radiator interlocking restarts and server is cooled down automatically.Heat-pipe radiator
Structure type includes but not limited to finned heat pipe radiator, micro channel heat tube radiator and ceramic-type heat-pipe radiator etc..
Further, the computer room refrigerant loop is respectively equipped with multiple for fluorine main pipe and computer room refrigerant loop time fluorine main pipe
Refrigerant loop returns fluorine branch pipe for fluorine branch pipe and loop, and the refrigerant loop is multiple for being accessed between fluorine branch pipe and loop time fluorine branch pipe
Heat-pipe radiator in parallel.
The circulation power unit is sequentially connected in series by circulating fluorine pump, liquid storage device and device for drying and filtering set on computer room refrigerant loop
For on fluorine main pipe.The device for drying and filtering is connect with outdoor fluorine feeding connection pipe.The circulating fluorine pump uses frequency conversion control technique.Institute
Liquid storage device is stated to can adapt to that the different demands of freon are ensured, for fluorine abundance, system to be made to keep stablizing under different operating modes.
Flow switch is equipped at the floss hole of the circulating fluorine pump.When circulating fluorine pump flow is too small, normal range (NR) is had exceeded,
Think possible pipeline blockage, alarm is generated by action adjustment input signal to active anti-condensation control module.
Between the device for drying and filtering and outdoor fluorine feeding connection pipe, between device for drying and filtering and liquid storage device, liquid storage device and follow
It is equipped between ring fluorine pump and before flow switch and safeguards ball valve.
The cooling unit includes cooling tower, frequency conversion fan is equipped at the top of the cooling tower, downside is equipped with air-inlet grille, interior
Portion is equipped with heat exchange coil and is connect respectively for fluorine pipe and heat exchange coil time fluorine pipe with heat exchange coil, and the heat exchange coil upper end is equipped with spray
Shower device, the spray equipment upper end are equipped with dehydration device, are additionally provided with frequency conversion spray water pump and are connect with spray equipment.The heat exchange
Coil pipe returns fluorine pipe for fluorine pipe and heat exchange coil and is connect respectively with outdoor fluorine feeding connection pipe and outdoor fluorine returning connection pipe, the heat exchange disk
Pipe between fluorine pipe and outdoor fluorine feeding connection pipe, between heat exchange coil time fluorine pipe and outdoor fluorine returning connection pipe for being respectively equipped with for fluorine valve
And fluorine returning valve.
Another downside of cooling tower is equipped with overflow pipe, water supply pipe and drainpipe, and the water supply pipe is set on overflow pipe and row
It connects between water pipe and with frequency conversion spray water pump.By drainpipe draining and blowdown and overflow pipe free drainage, ensure that enclosed is cold
But the safe and reliable operation of tower, while ensure that the recirculated water in intercooler is not contaminated, extend equipment uses the longevity
Life.
The computer room unit is additionally provided with active anti-condensation control module, for fluorine temp probe and computer room room air dew point temperature
Degree probe, the active anti-condensation control module for fluorine temp probe, computer room room air dew-point temperature probe, flow with opening
Pass, circulating fluorine pump, frequency conversion fan and frequency conversion spray water pump connect respectively, described to be located at the confession of computer room refrigerant loop for fluorine temp probe
On fluorine main pipe.It is described to supply fluorine temperature and computer room Interior Space for what fluorine temp probe, computer room room air dew-point temperature probe were measured
Gas dew-point temperature, the active anti-condensation control module is according to by acquiring continually entering with action adjustment signal not for signal
Disconnected output control, thoroughly prevents condensation risk existing for heat-pipe radiator heat exchange.
The cooling unit can integrate separately installed in outdoor；Circulation power unit can individually integrated installation in calculator room equipment
Between, the refrigerant supply back fluorine unit include cooling unit and circulation power unit, can integrated installation in outdoor.
The fluorine pumps the control method of a loop server cabinet cooling system, by a refrigerant loop server cabinet
Cooling system is realized, including refrigerant circulation, server cabinet air heat dissipation cycle and cooling tower heat dissipation cycle.
Further, the low temperature refrigerant that the refrigerant circulation is provided for cooling unit is under the action of circulating fluorine pump, along machine
Room refrigerant loop enters computer room unit for fluorine main pipe, enters server machine for fluorine branch pipe by more refrigerant loops in parallel therewith
In cabinet；Refrigerant in each branch pipe enters under the effect of circulating fluorine pump power in the heat-pipe radiator in server cabinet, with process
Become high-temperature gas refrigerant after the hot-air indirect heat exchange of heat-pipe radiator, then flow into computer room after refrigerant loop returns fluorine branch pipe
Refrigerant loop returns fluorine main pipe and summarizes, then returns fluorine pipe through outdoor fluorine returning connection pipe, fluorine returning valve, heat exchange coil and enter enclosed cooling
Tower, high-temperature gas refrigerant in heat exchange coil with the shower water on heat exchange coil surface and the cold dry air by heat exchange coil surface
Indirect heat exchange becomes low temperature liquid refrigerant；Circulating fluorine pump power effect under again successively through heat exchange coil for fluorine pipe, for fluorine valve,
Outdoor fluorine feeding connection pipe, device for drying and filtering enter in circulating fluorine pump.
The server cabinet air heat dissipation cycle is the service under the power effect of radiator fan built in server cabinet
Hot-air outside device cabinet enters server cabinet through server cabinet bottom air inlet mouth, and hot-air first passes around heat pipe heat radiation
Device and the low temperature refrigerant heat exchange in its heat-pipe radiator, become the relatively low cold air of temperature, using server to server
Cabinet equipment cools down, and realizes short-range cold wind conveying and accurate air-feeding；Circulating air temperature after heat exchange increases again,
Multiple heatings --- cooling --- are completed after heating, are discharged through server cabinet top heat dissipation fan, and then complete server machine
Cabinet inner air and outer air recycles, while also completes the cooling down processing to server.
The cooling tower heat dissipation cycle is at the top of cooling tower under the action of frequency conversion fan, and outdoor cold dry air is through air inlet
Grid enters cooling tower shell, and becomes saturation Hot wet air heating by heat exchange coil hot and humid area, dehydration device from the bottom to top, and
It is discharged through frequency conversion fan；The recirculated cooling water of cooling tower shell bottom is under the action of frequency conversion spray water pump, through spray equipment mist
Change or be sprayed to heat exchange coil surface, with the circulating refrigerant indirect heat exchange inside it, the cooling water after heat absorption is cold with entrance simultaneously
But the cold dry air hot and humid area cooling of tower shell.When outdoor cold dry air temperature is relatively low, system automatic control control stops frequency conversion
Feeding spraying pump is run, and only with outdoor cold dry air and heat exchange coil indirect heat exchange, plays water-saving result.Wherein, tower casing is cooled down
Internal cooling water supplements cooling water inflow by automatic control and adjustment water supply pipe, passes through drainpipe draining and blowdown and spilling water
Pipe free drainage, ensures the safe and reliable operation of closed cooling tower, while ensures that the recirculated water in cooling tower is not contaminated, prolongs
The service life of equipment is grown.
For not introducing the data center module of outdoor fresh air, interior environmental air wet and dry bulb temperature requires to keep constant, therefore
Corresponding dew-point temperature is also kept constant.The active anti-condensation control module uninterrupted sampling supplies fluorine temp probe and computer room room
What interior air dew point temperature probe measured supplies fluorine temperature and computer room air dew point temperature, when computer room air dew point temperature is less than for fluorine
During temperature, illustrate heat-pipe radiator heat exchange there is no condensation risk, to control based on computer room air themperature；If computer room air at this time
Dew-point temperature is identical with setting value, and each power-equipment keeps standing state continuous service；It is set if computer room air dew point temperature is less than
During definite value, the active anti-condensation control module sends out action adjustment output signal to circulating fluorine pump, frequency conversion fan and frequency conversion and sprays
Sprinkling pump reduces each power-equipment running frequency, to reach winding houses air dew point temperature and energy-efficient purpose；If computer room is empty
When gas dew-point temperature is less than higher than setting value for fluorine temperature, the active anti-condensation control module sends out action adjusting output and believes
Number to interior circulating fluorine pump, cooling tower frequency conversion fan and frequency conversion spray water pump, the running frequency of each power-equipment is improved, to reach drop
Low computer room air themperature and the radiating requirements for meeting equipment cabinet server；When the air dew point temperature of computer room is higher than for fluorine temperature,
Illustrate the heat exchange of heat-pipe radiator there are condensation risk, with control for based on fluorine temperature, the active anti-condensation control module hair
It sets out to make adjustments and outputs signal to circulating fluorine pump, cooling tower frequency conversion fan and frequency conversion spray water pump, reduce the work(of each power-equipment
Consumption reduces for fluorine temperature and must assure that temperature value is higher than the computer room air dew point temperature of synchronization acquisition.Believed by acquiring
Number the continuous output control continually entered with action adjustment signal, thoroughly prevent condensation wind existing for heat-pipe radiator heat exchange
Danger.Each power-equipment is water circulating pump, cooling tower frequency conversion fan and frequency conversion spray water pump.
Compared with prior art, beneficial effects of the present invention are as follows：
（1）It realizes that cabinet cold wind short distance accurately conveys, settlement server cabinet hot-spot and there are problems that hot spot；
（2）Have and do not introduce outdoor air, do not influence the cleanliness factor and humidity of the air in computer room；
（3）Actively anti-condensation control occurs system according to condensation and prevention mechanism designs the anti-condensation control of energy-saving active
Scheme, whole system design is simple, and investment is low, and unpowered inside system computer room, the noiseless, safety and environmental protection of operation realizes data
Machine room energy-saving synergy, safe and reliable purpose.
Figure of description
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the computer room cell schematics of the present invention；
The refrigerant that Fig. 3 is the present invention supplies back fluorine cell schematics；
Wherein, 1. server cabinet；2. radiator fan；3. server；4. heat-pipe radiator；5. refrigerant loop supplies
Fluorine branch pipe；6. refrigerant loop returns fluorine branch pipe；7. computer room refrigerant loop supplies fluorine main pipe；8. computer room refrigerant loop returns fluorine main pipe；9.
Circulating fluorine pump；10. flow switch；11. liquid storage device；12. device for drying and filtering；13~16. safeguard ball valve；17. supply fluorine valve；
18. fluorine returning valve；19. heat exchange coil supplies fluorine pipe；20. heat exchange coil returns fluorine pipe；21. cooling tower shell；22. frequency conversion fan；
23. dehydration device；24. frequency conversion spray water pump；25. spray equipment；26. heat exchange coil；27. drainpipe；28. moisturizing
Pipe；29. overflow pipe；30. air-inlet grille；31. control module；32. action adjustment input signal；33. action adjusts output
Signal；34. fluorine feeding connection pipe outside Room；35. fluorine returning connection pipe outside Room；I, computer room units；II, cooling units；III, circulation powers
Unit；IV, refrigerants supply back fluorine unit.
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 fluorine pumps a loop server cabinet cooling system, fluorine list is supplied back including computer room unit I and refrigerant
Member IV, the refrigerant supply back fluorine unit IV to include circulation power unit III and cooling unit II, and the computer room unit I, cycle are dynamic
Power unit III and cooling unit II are in turn connected to form closed circulation.
Further, the closed circulation is to connect computer room unit I for fluorine main pipe 7 equipped with computer room refrigerant loop and recycle dynamic
Power unit III, equipped with outdoor fluorine feeding connection pipe 34 connection circulation power unit III and cooling unit II, equipped with computer room refrigerant loop
It returns fluorine main pipe 8 and outdoor fluorine returning connection pipe 35 connects computer room unit I and cooling unit II.
Such as Fig. 2, the computer room unit I includes the equipment cabinet server cooling system of multiple parallel connections, and the equipment cabinet server dissipates
Hot systems include server cabinet 1, multiple radiator fans 2, multiple servers 3 and multiple heat-pipe radiators 4, multiple radiator fans
2 are set to 1 inner tip of server cabinet, and the multiple heat-pipe radiator 4 is separately positioned on 3 lower end of server.Heat pipe heat radiation
4 direct heat transfer of device cools down server 3, realizes the short distance conveying of cold wind, solves cabinet hot-spot and there are hot issues.Together
When, heat-pipe radiator 4 is by 3 interlocked control of server, when a certain server 3 is stopped, corresponding heat-pipe radiator 4
It automatically shuts down, there is no refrigerant circulations；When server 3 is restarted, heat-pipe radiator 4, which interlocks, automatic restarts and cold to server
But.4 structure type of heat-pipe radiator includes but not limited to finned heat pipe radiator, micro channel heat tube radiator and ceramic-type heat
Tube radiator etc..
Further, the computer room refrigerant loop is respectively equipped with more for fluorine main pipe 7 and computer room refrigerant loop time fluorine main pipe 8
A refrigerant loop returns fluorine branch pipe 6 for fluorine branch pipe 5 and loop, and the refrigerant loop is indirectly for fluorine branch pipe 5 and loop time fluorine 6 pipes of branch
Enter the heat-pipe radiator 4 of multiple parallel connections.
Such as Fig. 3, the circulation power unit III is sequentially connected in series and is set by circulating fluorine pump 9, liquid storage device 11 and device for drying and filtering 12
In computer room refrigerant loop on fluorine main pipe 7.The device for drying and filtering 12 is connect with outdoor fluorine feeding connection pipe 34.The circulating fluorine pump
9 use frequency conversion control technique.The liquid storage device 11 can adapt to that the different demands of freon are ensured to fill for fluorine under different operating modes
Foot makes system keep stablizing.
Flow switch 10 is equipped at the floss hole of the circulating fluorine pump 9.When 9 flow of circulating fluorine pump is too small, have exceeded normal
Range, it is believed that possible pipeline blockage generates alarm by action adjustment input signal 32 to active anti-condensation control module 31.
Between the device for drying and filtering 12 and outdoor fluorine feeding connection pipe 34, between device for drying and filtering 12 and liquid storage device 11, storage
It is equipped between liquid device 11 and circulating fluorine pump 9 and before flow switch 10 and safeguards ball valve 13 ~ 16.
The cooling unit II includes cooling tower, and frequency conversion fan 22 is equipped at the top of the cooling tower, and downside is equipped with into style
Grid 30 are internally provided with heat exchange coil 26 and are connect respectively for fluorine pipe 19 and heat exchange coil time fluorine pipe 20 with heat exchange coil, the heat exchange
26 upper end of coil pipe is equipped with spray equipment 25, and 25 upper end of spray equipment is equipped with dehydration device 23, is additionally provided with frequency conversion spray water pump
24 connect with spray equipment 25.The heat exchange coil for fluorine pipe 19 and heat exchange coil return fluorine pipe 20 respectively with outdoor fluorine feeding connection pipe
34 connect with outdoor fluorine returning connection pipe 35, and the heat exchange coil is supplied between fluorine pipe 19 and outdoor fluorine feeding connection pipe 34, heat exchange coil
It returns between fluorine pipe 20 and outdoor fluorine returning connection pipe 35 and is respectively equipped with for fluorine valve 17 and fluorine returning valve 18.
Another downside of cooling tower is equipped with overflow pipe 29, water supply pipe 28 and drainpipe 27, and the water supply pipe 28, which is set on, to overflow
It is connected between water pipe 29 and drainpipe 27 and with frequency conversion spray water pump 24.By 27 draining of drainpipe and blowdown and overflow pipe 29 certainly
By draining, ensure the safe and reliable operation of closed cooling tower, while ensure that the recirculated water in intercooler is not contaminated, prolong
The service life of equipment is grown.
The computer room unit I is additionally provided with active anti-condensation control module 31, for fluorine temp probe T1 and computer room room air
Dew-point temperature probe T2, the active anti-condensation control module 31 is with supplying fluorine temp probe T1, computer room room air dew-point temperature
Probe T2, circulating fluorine pump 9, frequency conversion fan 22 and frequency conversion spray water pump 24 connect respectively, described to be located at machine for fluorine temp probe T1
Room refrigerant loop is on fluorine main pipe 7.It is described to supply fluorine for what fluorine temp probe T1, computer room room air dew-point temperature probe T2 were measured
Temperature and computer room room air dew-point temperature, the active anti-condensation control module 31 is according to passing through action adjustment input signal 32
With the control of action adjustment signal output signal 33, thoroughly prevent condensation risk existing for heat-pipe radiator heat exchange.
The fluorine pumps the control method of a loop server cabinet cooling system, including refrigerant circulation, server cabinet
Air heat dissipation cycle and cooling tower heat dissipation cycle.
Further, the low temperature refrigerant that the refrigerant circulation is provided for cooling unit II is under the action of circulating fluorine pump 9, edge
Computer room refrigerant loop enters computer room unit I for fluorine main pipe 7, enters clothes for fluorine branch pipe 5 by more refrigerant loops in parallel therewith
It is engaged in device cabinet 1；Refrigerant in each branch pipe enters the heat-pipe radiator 4 in server cabinet 1 under the effect of 9 power of circulating fluorine pump
It is interior, with becoming high-temperature gas refrigerant after the hot-air indirect heat exchange of heat-pipe radiator 4, then fluorine branch pipe is returned through refrigerant loop
Computer room refrigerant loop is flowed into after 6 to return fluorine main pipe 8 and summarize, then returns fluorine through outdoor fluorine returning connection pipe 35, fluorine returning valve 18, heat exchange coil
Pipe 20 enters closed cooling tower, and high-temperature gas refrigerant is in heat exchange coil 26 with the shower water on 26 surface of heat exchange coil and by changing
The cold dry air indirect heat exchange on 26 surface of hot coil, becomes low temperature liquid refrigerant；It is passed through successively again under the effect of 9 power of circulating fluorine pump
Heat exchange coil enters for fluorine pipe 19, for fluorine valve 17, outdoor fluorine feeding connection pipe 34, device for drying and filtering 12 in circulating fluorine pump 9.
The server cabinet air heat dissipation cycle is the clothes under the power effect of radiator fan 2 built in server cabinet 1
Hot-air outside business device cabinet 1 enters server cabinet 1 through 1 bottom air inlet mouth of server cabinet, and hot-air first passes around heat
Tube radiator 4 and the low temperature refrigerant heat exchange in its heat-pipe radiator 4, become the relatively low cold air of temperature, using server 3
Cool down to 1 equipment of server cabinet, realize short-range cold wind conveying and accurate air-feeding；Circulating air temperature after heat exchange
It increases again, completes multiple heatings --- cooling --- after heating, discharged, and then complete through 1 top heat dissipation fan 2 of server cabinet
It is recycled into 1 inner air and outer air of server cabinet, while also completes the cooling down processing to server 3.
Cooling tower heat dissipation cycle is at the top of cooling tower under the action of frequency conversion fan 22, outdoor cold dry air pass through into
Style grid 30 enter cooling tower shell 21, and become saturation by the 26 wet exchange of heat exchange coil heat, dehydration device 23 from the bottom to top
Hot wet air heating, and discharged through frequency conversion fan 22；The recirculated cooling water of 21 bottom of cooling tower shell is in the work of frequency conversion spray water pump 24
Under, 26 surface of heat exchange coil is atomized or is sprayed to through spray equipment 25, internal circulating refrigerant indirect heat exchange with it, after heat absorption
Cooling water simultaneously with enter cooling tower shell 21 cold dry air hot and humid area cool down.When outdoor cold dry air temperature is relatively low
When, system automatic control control stops frequency conversion spray water pump 24 and runs, only with outdoor cold dry air and 26 indirect heat exchange of heat exchange coil,
Play water-saving result.Wherein, the cooling water in cooling tower shell 21 carries out cooling water inflow by automatic control and adjustment water supply pipe 28
Supplement, by 27 draining of drainpipe and blowdown and 29 free drainage of overflow pipe, ensures the safe and reliable operation of closed cooling tower, together
When ensure that the recirculated water in cooling tower is not contaminated, extend the service life of equipment.
For not introducing the data center module of outdoor fresh air, interior environmental air wet and dry bulb temperature requires to keep constant, therefore
Corresponding dew-point temperature is also kept constant.31 uninterrupted sampling of active anti-condensation control module supplies fluorine temp probe T1 and machine
What air dew point temperature probe T2 was measured in chamber supplies fluorine temperature and computer room air dew point temperature, when computer room air dew point temperature is low
When for fluorine temperature, illustrate the heat exchange of heat-pipe radiator 4 there is no condensation risk, to control based on computer room air themperature；If at this time
Computer room air dew point temperature is identical with setting value, and each power-equipment keeps standing state continuous service；If computer room air dew point temperature
When degree is less than setting value, the active anti-condensation control module 31 sends out action adjustment output signal 33 to circulating fluorine pump 9, frequency conversion
Wind turbine 22 and frequency conversion spray water pump 24 reduce each power-equipment running frequency, to reach winding houses air dew point temperature and section
The purpose of energy；If computer room air dew point temperature is less than higher than setting value for fluorine temperature, the active anti-condensation control module
31 send out action adjustment output signal 33 to interior circulating fluorine pump 9, cooling tower frequency conversion fan 22 and frequency conversion spray water pump 24, improve each
The running frequency of power-equipment, to reach the radiating requirements for reducing computer room air themperature and meeting equipment cabinet server；When computer room
When air dew point temperature is higher than for fluorine temperature, illustrate the heat exchange of heat-pipe radiator 4 there are condensation risk, using control for fluorine temperature as
Main, the active anti-condensation control module 31 sends out action adjustment output signal 33 to circulating fluorine pump 9, cooling tower frequency conversion fan 22
With frequency conversion spray water pump 24, the power consumption of each power-equipment is reduced, reduce for fluorine temperature and must assure that temperature value is higher than with for the moment
Carve the computer room air dew point temperature of acquisition.By acquiring the continuous output control continually entered with action adjustment signal of signal,
Thoroughly prevent condensation risk existing for heat-pipe radiator heat exchange.Each power-equipment is water circulating pump, cooling tower frequency conversion fan
And frequency conversion spray water pump.
Claims (7)
1. a kind of fluorine pumps the control method of a loop server cabinet cooling system, which is characterized in that pumps a loop by fluorine
Server cabinet cooling system realizes that the fluorine pumps a loop server cabinet cooling system, including computer room unit and refrigerant
For returning fluorine unit, the refrigerant supplies back fluorine unit to include circulation power unit and cooling unit, the computer room unit, circulation power
Unit and cooling unit are in turn connected to form closed circulation, and the control method includes refrigerant circulation, server cabinet air dissipates
Thermal cycle and cooling tower heat dissipation cycle；The computer room unit includes multiple equipment cabinet server cooling systems and actively anti-condensation control
Module, the equipment cabinet server cooling system include multiple servers and the heat-pipe radiator being correspondingly arranged at below server, institute
It states circulation power unit to be sequentially connected in series by flow switch, circulating fluorine pump, liquid storage device and device for drying and filtering, the cooling unit
Including cooling tower, frequency conversion fan is equipped at the top of the cooling tower, downside is equipped with air-inlet grille, is internally provided with heat exchange coil, described
Heat exchange coil upper end is equipped with spray equipment, and the spray equipment upper end is equipped with dehydration device, is additionally provided with frequency conversion spray water pump and spray
Shower device connects, and the flow switch, circulating fluorine pump, frequency conversion spray water pump and frequency conversion fan and active anti-condensation control module connect
It connects.
2. fluorine pumps the control method of a loop server cabinet cooling system according to claim 1, which is characterized in that institute
It is to return fluorine main pipe for fluorine main pipe and computer room refrigerant loop equipped with computer room refrigerant loop to state closed circulation, described heat exchange coil one end according to
It is secondary to be opened by heat exchange coil for fluorine pipe, for fluorine valve, outdoor fluorine feeding connection pipe, device for drying and filtering, liquid storage device, circulating fluorine pump, flow
Pass is connect with computer room refrigerant loop for fluorine main pipe, and the other end passes sequentially through heat exchange coil and returns fluorine pipe, fluorine returning valve, outdoor time fluorine connection
Pipe returns fluorine main pipe with computer room refrigerant loop and connect.
3. fluorine pumps the control method of a loop server cabinet cooling system according to claim 1, which is characterized in that institute
Low temperature refrigerant that refrigerant circulation is provided for cooling unit is stated under the action of circulating fluorine pump, along computer room refrigerant loop for fluorine main pipe into
Enter computer room unit, entered in server cabinet for fluorine branch pipe by more refrigerant loops in parallel therewith；Each refrigerant loop supplies fluorine
Refrigerant in branch pipe enters under the effect of circulating fluorine pump power in the heat-pipe radiator in server cabinet, and by heat pipe heat radiation
Become high-temperature gas refrigerant after the hot-air indirect heat exchange of device, then flow into computer room refrigerant loop after refrigerant loop returns fluorine branch pipe
It returns fluorine main pipe and summarizes, then return fluorine pipe through outdoor fluorine returning connection pipe, fluorine returning valve, heat exchange coil and enter closed cooling tower, High Temperature Gas
Cold dry air indirect heat exchange of the state refrigerant in heat exchange coil with the shower water on heat exchange coil surface and by heat exchange coil surface,
As low temperature liquid refrigerant；Connect successively through heat exchange coil for fluorine pipe, for fluorine valve, outdoor for fluorine again under the effect of circulating fluorine pump power
It takes over, device for drying and filtering enters in circulating fluorine pump.
4. fluorine pumps the control method of a loop server cabinet cooling system according to claim 1, which is characterized in that institute
It is under the power effect of radiator fan built in server cabinet, outside server cabinet to state server cabinet air heat dissipation cycle
Hot-air enter server cabinet through server cabinet bottom air inlet mouth, hot-air first passes around heat-pipe radiator and its heat pipe
Low temperature refrigerant heat exchange in radiator becomes the relatively low cold air of temperature, using server to server machine cabinet equipment into
Row cooling；Circulating air temperature after heat exchange increases again, completes multiple heatings --- cooling --- after heating, through server machine
The radiator fan discharge of cabinet top portion.
5. fluorine pumps the control method of a loop server cabinet cooling system according to claim 1, which is characterized in that institute
It is at the top of cooling tower under the action of frequency conversion fan to state cooling tower heat dissipation cycle, and outdoor cold dry air enters cold through air-inlet grille
But tower shell, and saturation Hot wet air heating is become, and through frequency conversion fan by heat exchange coil hot and humid area, dehydration device from the bottom to top
Discharge；The recirculated cooling water of cooling tower shell bottom is atomized or is sprayed under the action of frequency conversion spray water pump, through spray equipment
Heat exchange coil surface, internal circulating refrigerant indirect heat exchange with it, the cooling water after heat absorption is simultaneously with entering cooling tower shell
Cold dry air hot and humid area cools down.
6. fluorine pumps the control method of a loop server cabinet cooling system according to claim 1, which is characterized in that institute
Heat-pipe radiator is stated by server interlocked control, when a certain server discontinuing operation, corresponding heat-pipe radiator is also automatic
Shutdown, there is no refrigerant circulations；When Server Restart, heat-pipe radiator interlocking restarts and server is cooled down automatically.
7. fluorine pumps the control method of a loop server cabinet cooling system according to claim 1, which is characterized in that sets
Have and pop one's head in for fluorine temp probe and computer room room air dew-point temperature, it is described to be located at computer room refrigerant loop for fluorine for fluorine temp probe
On main pipe, the active anti-condensation control module uninterrupted sampling is popped one's head in for fluorine temp probe and computer room room air dew-point temperature
What is measured supplies fluorine temperature and computer room air dew point temperature, if computer room air dew point temperature is identical with setting value, each power-equipment is protected
Hold standing state continuous service；If computer room air dew point temperature is less than setting value, the active anti-condensation control module is sent out
Action adjustment output signal reduces each power-equipment operation frequency to circulating fluorine pump, cooling tower frequency conversion fan and frequency conversion spray water pump
Rate；If computer room air dew point temperature is less than higher than setting value for fluorine temperature, the active anti-condensation control module sends out dynamic
It makes adjustments and outputs signal to circulating fluorine pump, cooling tower frequency conversion fan and frequency conversion spray water pump, improve the operation frequency of each power-equipment
Rate；When the air dew point temperature of computer room is higher than for fluorine temperature, the active anti-condensation control module sends out action and adjusts output
Signal reduces the power consumption of each power-equipment, reduces for fluorine temperature to circulating fluorine pump, cooling tower frequency conversion fan and frequency conversion spray water pump
And control is higher than the computer room air dew point temperature of synchronization acquisition for fluorine temperature, each power-equipment is water circulating pump, cold
But tower frequency conversion fan and frequency conversion spray water pump.
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| CN107027275B (en) * | 2017-05-26 | 2023-05-26 | 郑州云海信息技术有限公司 | A cluster container data center and heat dissipation method thereof |
| CN112414186A (en) * | 2019-08-23 | 2021-02-26 | 北京百度网讯科技有限公司 | Cooling heat exchange system |
| CN112414187A (en) * | 2019-08-23 | 2021-02-26 | 北京百度网讯科技有限公司 | Cooling heat exchange system |
| CN110557933B (en) * | 2019-09-17 | 2024-04-12 | 吴玉 | Online pluggable cabinet-level spray liquid cooling system and control method |
| CN110536591B (en) * | 2019-09-17 | 2024-04-05 | 吴玉 | Evaporative phase change cooling server system and control method |
| CN113163689B (en) * | 2021-04-21 | 2022-07-12 | 西安交通大学 | Low-power consumption natural evaporation cooling server rack |
| CN113218048B (en) * | 2021-05-12 | 2022-08-05 | 深圳市科信通信技术股份有限公司 | Multi-connected air conditioning system and operation control method |
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| CN102213466A (en) * | 2011-04-15 | 2011-10-12 | 清华大学 | Thermal environmental control system |
| CN202799552U (en) * | 2012-09-29 | 2013-03-13 | 江苏省邮电规划设计院有限责任公司 | Double-driving heat pipe heat dissipation cabinet |
| CN103115514A (en) * | 2013-02-25 | 2013-05-22 | 广东申菱空调设备有限公司 | Condensation-proof refrigerant circulating heat tube system and controlling method thereof |
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| CN102213466A (en) * | 2011-04-15 | 2011-10-12 | 清华大学 | Thermal environmental control system |
| CN202799552U (en) * | 2012-09-29 | 2013-03-13 | 江苏省邮电规划设计院有限责任公司 | Double-driving heat pipe heat dissipation cabinet |
| CN103115514A (en) * | 2013-02-25 | 2013-05-22 | 广东申菱空调设备有限公司 | Condensation-proof refrigerant circulating heat tube system and controlling method thereof |
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