CN105451509A - Control method of fluorine-pump primary loop server cabinet heat radiation system - Google Patents
Control method of fluorine-pump primary loop server cabinet heat radiation system Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000005855 radiation Effects 0.000 title claims abstract description 18
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 195
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 195
- 239000011737 fluorine Substances 0.000 claims abstract description 195
- 238000001816 cooling Methods 0.000 claims abstract description 107
- 239000003507 refrigerant Substances 0.000 claims abstract description 84
- 238000009833 condensation Methods 0.000 claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims description 53
- 238000005507 spraying Methods 0.000 claims description 26
- 230000009471 action Effects 0.000 claims description 23
- 239000000523 sample Substances 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 13
- 241000736911 Turritella communis Species 0.000 claims description 12
- 230000033228 biological regulation Effects 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 10
- 125000001153 fluoro group Chemical group F* 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 241000628997 Flos Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 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
- 238000005516 engineering process Methods 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention discloses a control method of a fluorine-pump primary loop server cabinet heat radiation system. The fluorine-pump primary loop server cabinet heat radiation system comprises a machine room unit and a refrigerant fluorine supplying and returning unit, wherein the refrigerant fluorine supplying and returning unit comprises a circulating power unit and a cooling unit; and the machine room unit, the circulating power unit and the cooling unit are connected in sequence to form closed circulation. The control method of the fluorine-pump primary loop server cabinet heat radiation system achieves short-distance accurate transport of cool air of a cabinet, and solves problems of local overheat and existence of hot spots of the server cabinet; meanwhile, a natural cooling measure is adopted so that heat exchange temperature difference is huge and efficiency is high; and active condensation prevention is adopted, so that the system has the advantages of high reliability, low power consumption and low noise, and satisfies an energy saving and environment protecting concept.
Description
Technical field
The present invention relates to a kind of server cabinet cooling system, particularly relate to the control method of a kind of fluorine pump loop server cabinet cooling system.
Background technology
Along with the continuous increase of IDC computer room of internet data center high density rack, the integrated level of equipment is more and more higher, and disposal ability also increases gradually, but the power consumption of equipment also increases thereupon, causes the caloric value of equipment within machine cabinet more.According to statistics, in current domestic large-scale IDC machine room, equipment cabinet server caloric value is large, and is that annual 8760h runs substantially, for not adopting the machine room of new wind, the whole year all needs cooling, causes air conditioning energy consumption huge, and its air conditioning energy consumption accounts for 40% ~ 50% of the overall energy consumption of data center module.
Traditional data machine room air supply mode has the modes such as the air-supply of base plate air channel, the air-supply of cold and hot channel separation and the refrigeration air-supply of full room, this pattern has not met the refrigeration demand of modernization machine room high density rack, has occurred the problems such as local overheating, power consumption are large, air conditioner in machine room energy consumption is too high, noise is large.Simultaneously precise machine room air conditioner needs repeatedly humidification, dehumidifying running or supporting Special dehumidifier carry out machine room air humidity, dew point controls, and to guarantee that device interior condensation does not occur, causes that computer-room air conditioning system refrigerating efficiency reduces, energy consumption increases.If the heat dissipation problem of machine room solves bad, will the safe operation of serious threat calculator room equipment.Therefore, how when meeting equipment use requirement, the energy consumption effectively reducing air-conditioning system in machine room is the major issue that air conditioner industry and data center module operation industry face.
Consider from Energy Angle, have at present directly to adopt and outdoor air is introduced the indoor scheme for machine room cooling, its advantage is that refrigerating efficiency is high, initial cost is low, energy consumption is low, but shortcoming is after introducing outdoor cold air, make room air cleanliness factor, humidity be difficult to ensure, bring potential safety hazard, later stage operation maintenance amount is larger.Also have in addition and adopt gas gas honeycomb heat exchanger, by heat pipe hot-air and outdoor cold air indirect heat exchange, thus reduce temperature in machine room; Its advantage does not introduce outdoor air, and do not affect cleanliness factor and the humidity of the air in machine room, shortcoming is that initial cost is relatively high, and heat exchanger structure more complicated, easily blocks, and needs periodic cleaning, and maintenance workload is large.
Application number be 201320691041.0 Chinese patent " a kind of equipment cabinet server heat transmission header board system " provide a kind of equipment cabinet server heat transmission header board system, heat exchange header board, connect ball valve, connecting hose, feed liquor the house steward ,/return main that gives vent to anger, valve, Intermediate Heat Exchanger, reservoir, reservoir entry/exit liquid pipe, the fluorine series connection of pumps composition coolant refrigeration agent circulatory system; Intermediate Heat Exchanger, valve, return pipe, handpiece Water Chilling Units, outlet pipe, water pump are composed in series chilled water cooling recirculation system.This utility model is mainly used in open air, and can not be used for the server radiating of large-scale machine room.This utility model adopts heat exchange header board to be placed in rack side to dispel the heat, and namely carry out radiating treatment to whole rack entirety, but power consumption is large.
Application number be 201010033887.6 Chinese patent " a kind of cooling machine cabinet method and device " provide a kind of cabinet heat dissipation device, comprising: rack, top is provided with hot-blast outlet, and bottom is provided with cold air inlet; Blowing unit, is carried by rack bottom from bottom to top by the cold wind inputted by cold air inlet; Liquid cooling unit, cools the hot-air of being discharged by hot-blast outlet, and is input in rack by cold air inlet.Although vertical refrigeration organically combines with water-cooling pattern by this patent, energy consumption is large, and cannot be applied to the server radiating of large-scale machine room.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, fluorine pump internal-circulation type refrigerant loop server cabinet cooling system that a kind of energy efficiency, heat exchange efficiency are high, reliability is high, noise is little, the life-span is long is provided, realize system initiatively anti-condensation, ensure that cleanliness factor and the humidity of air in machine room.
Above-mentioned purpose of the present invention is achieved by following technical solution:
A kind of fluorine pump loop server cabinet cooling system, comprise machine room unit and refrigerant supplies back fluorine unit, described refrigerant supplies back fluorine unit to comprise circulation power unit and cooling unit, and described machine room unit, circulation power unit and cooling unit are in turn connected to form closed circulation.The present invention realizes refrigerant circulation, server cabinet air heat radiation circulation and cooling tower heat radiation circulation by closed circulation, energy efficiency, heat exchange efficiency are high, reliability is high, noise is little, guarantee chilled water not to be brought into machine room, do not exist and cause water to enter the danger of machine room because of booster, free from admixture enters in circulation fluorine system, can ensure that the circulation fluorinated refrigerant in machine room is not contaminated, increase the service life.
Further, described closed circulation connects machine room unit and circulation power unit for being provided with machine room refrigerant loop for fluorine main, be provided with and outdoor connect circulation power unit and cooling unit for fluorine tube connector, be provided with machine room refrigerant loop and return fluorine main and outdoor time fluorine tube connector is connected machine room unit and cooling unit.
Described machine room unit comprises the equipment cabinet server cooling system of multiple parallel connection, described equipment cabinet server cooling system comprises server cabinet, multiple radiator fan, multiple server and multiple heat-pipe radiator, multiple radiator fan is arranged at server cabinet inner tip, and described multiple heat-pipe radiator is separately positioned on server lower end.Heat-pipe radiator direct heat transfer cooling server, realizes the short distance conveying of cold wind, solves rack local overheating and there is hot issue.Meanwhile, heat-pipe radiator is by equipment cabinet server interlocked control, and when a certain equipment cabinet server quits work, the heat-pipe radiator of its correspondence also automatically shuts down, and no longer includes refrigerant circulation; When equipment cabinet server is restarted, heat-pipe radiator interlocking autoboot also cools server.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, described machine room refrigerant loop returns fluorine main for fluorine main and machine room refrigerant loop and is respectively equipped with multiple refrigerant loop and returns fluorine arm for fluorine arm and loop, and described refrigerant loop returns for fluorine arm and loop the heat-pipe radiator accessing multiple parallel connection between fluorine arm.
Described circulation power unit is connected successively by circulate fluorine pump, reservoir and device for drying and filtering and is located at machine room refrigerant loop on fluorine main.Described device for drying and filtering is connected for fluorine tube connector with outdoor.Described circulation fluorine pump adopts frequency conversion control technique.Described reservoir can adapt to the different demands to freon under different operating mode, ensures for fluorine sufficient, makes system keep stable.
The floss hole place of described circulation fluorine pump is provided with flow switch.When circulation fluorine pump discharge is too small, beyond normal range (NR), think and possibility pipeline blockage regulate input signal to initiatively anti-condensation control module generation alarm through action.
Described device for drying and filtering and outdoor supply between fluorine tube connector, between device for drying and filtering and reservoir, between reservoir and circulation fluorine pump and are provided with before flow switch to safeguard ball valve.
Described cooling unit comprises cooling tower, described cooling tower top is provided with frequency conversion fan, downside is provided with air-inlet grille, inside is provided with heat exchange coil and heat exchange coil and returns fluorine pipe for fluorine pipe and heat exchange coil and be connected respectively, described heat exchange coil upper end is provided with spray equipment, described spray equipment upper end is provided with dewater unit, is also provided with frequency conversion feeding spraying pump and is connected with spray equipment.Described heat exchange coil returns fluorine pipe for fluorine pipe and heat exchange coil and supplies with outdoor fluorine tube connector to be connected with the outdoor fluorine tube connector that returns respectively, and described heat exchange coil supplies between fluorine tube connector for fluorine pipe and outdoor, heat exchange coil returns fluorine pipe and outdoor returning between fluorine tube connector is respectively equipped with for fluorine valve and time fluorine valve.
Described cooling tower is provided with overflow pipe, filling pipe and drainage pipe on the downside of another, and described filling pipe to be located between overflow pipe and drainage pipe and to be connected with frequency conversion feeding spraying pump.By drainage pipe draining and blowdown and overflow pipe free drainage, ensure the safe and reliable operation of closed cooling tower, ensure that the recirculated water in intercooler is not contaminated simultaneously, extend the useful life of equipment.
Described rack unit is also provided with the anti-condensation control module of active, for fluorine temp probe and machine room room air dew point temperature probe, the anti-condensation control module of described active is popped one's head in confession fluorine temp probe, machine room room air dew point temperature, flow switch, circulation fluorine pump, frequency conversion fan and frequency conversion feeding spraying pump are connected respectively, and the described fluorine temp probe that supplies is located at machine room refrigerant loop on fluorine main.What described confession fluorine temp probe, machine room room air dew point temperature probe were measured supplies fluorine temperature and machine room room air dew point temperature, the anti-condensation control module of described active controls according to by the continuous input of collection signal and the continuous output of action conditioning signal, thoroughly stops the condensation risk that heat-pipe radiator heat exchange exists.
Described cooling unit accessible site is installed on outdoor separately; Circulation power unit can integrated installation be between calculator room equipment separately, and described refrigerant supplies back fluorine unit to comprise cooling unit and circulation power unit, and accessible site is installed on outdoor.
The control method of a described fluorine pump loop server cabinet cooling system, is realized by a refrigerant loop server cabinet cooling system, comprises refrigerant circulation, server cabinet air heat radiation circulation and cooling tower heat radiation circulation.
Further, the low temperature refrigerant that described refrigerant circulation provides for cooling unit, under the effect of circulation fluorine pump, enters machine room unit along machine room refrigerant loop for fluorine main, enters in server cabinet by many refrigerant loops in parallel with it for fluorine arms; Refrigerant in each arm enters in the heat-pipe radiator in server cabinet under the effect of circulation fluorine pump power, high-temperature gas refrigerant is become with after the hot-air indirect heat exchange of heat-pipe radiator, then return through refrigerant loop and flow into machine room refrigerant loop after fluorine arm and return fluorine main and gather, return fluorine tube connector again through outdoor, return fluorine valve, heat exchange coil and return fluorine pipe and enter closed cooling tower, high-temperature gas refrigerant with the shower water on heat exchange coil surface and by the cold dry air indirect heat exchange on heat exchange coil surface, becomes low temperature liquid refrigerant in heat exchange coil; Supply fluorine pipe through heat exchange coil, enter in circulation fluorine pump for fluorine tube connector, device for drying and filtering for fluorine valve, outdoor successively again under the effect of circulation fluorine pump power.
Described server cabinet air heat radiation circulation is under the dynamic action of the built-in radiator fan of server cabinet, the hot-air of server cabinet outside enters server cabinet through server cabinet bottom air inlet mouth, the low temperature refrigerant heat exchange of hot-air first in heat-pipe radiator and its heat-pipe radiator, become the cold air that temperature is lower, through server, server machine cabinet equipment is lowered the temperature again, realize the conveying of short-range cold wind and accurate air-feeding; Circulating air temperature after heat exchange raises again, completes multiple intensification---cooling---after intensification, discharges through server cabinet top heat dissipation fan, and then completes the circulation of server cabinet inner air and outer air, also completes the cooling down process to server simultaneously.
Described cooling tower heat radiation circulation is under the effect of cooling tower top frequency conversion fan, outdoor cold dry air enters cooling tower shell through air-inlet grille, and become saturated Hot wet air heating by heat exchange coil hot and humid area, dewater unit from the bottom to top, and discharge through frequency conversion fan; Recirculated cooling water bottom cooling tower shell is under the effect of frequency conversion feeding spraying pump, be atomized through spray equipment or spray to heat exchange coil surface, with the circulating refrigerant indirect heat exchange of its inside, the cooling water after heat absorption is lowered the temperature with the cold dry air hot and humid area entering cooling tower shell simultaneously.When outdoor cold dry air temperature is lower, system automatic control controls to stop frequency conversion feeding spraying pump to run, and only adopts outdoor cold dry air and heat exchange coil indirect heat exchange, plays water-saving result.Wherein, cooling water in cooling tower shell is supplemented cooling water inflow by automatic control and adjustment filling pipe, by drainage pipe draining and blowdown and overflow pipe free drainage, ensure the safe and reliable operation of closed cooling tower, ensure that the recirculated water in cooling tower is not contaminated simultaneously, extend the useful life of equipment.
For the data center module not introducing outdoor new wind, its interior environmental air wet and dry bulb temperature requires to keep constant, therefore the dew point temperature of correspondence also keeps constant.What the anti-condensation control module uninterrupted sampling of described active recorded for fluorine temp probe and machine room room air dew point temperature probe supplies fluorine temperature and machine room air dew point temperature, when machine room air dew point temperature is lower than during for fluorine temperature, illustrate that heat-pipe radiator heat exchange does not exist condensation risk, to control machine room air themperature; If now machine room air dew point temperature is identical with set point, each power-equipment keeps standing state continuous service; If when machine room air dew point temperature is lower than set point, the anti-condensation control module of described active sends action regulation output signal to circulation fluorine pump, frequency conversion fan and frequency conversion feeding spraying pump, reduce each power-equipment running frequency, to reach winding houses air dew point temperature and energy-conservation object; If machine room air dew point temperature higher than set point lower than for fluorine temperature time, the anti-condensation control module of described active sends action regulation output signal to Inner eycle fluorine pump, cooling tower frequency conversion fan and frequency conversion feeding spraying pump, improve the running frequency of each power-equipment, meet the radiating requirements of equipment cabinet server to reach reduction machine room air themperature; When the air dew point temperature of machine room is higher than during for fluorine temperature, illustrate that the heat exchange of heat-pipe radiator exists condensation risk, to control for fluorine temperature, the anti-condensation control module of described active sends action regulation output signal to circulation fluorine pump, cooling tower frequency conversion fan and frequency conversion feeding spraying pump, reduce the power consumption of each power-equipment, reduce for fluorine temperature and the machine room air dew point temperature that temperature value gathers higher than synchronization must be ensured.Controlled by the continuous input of collection signal and the continuous output of action conditioning signal, thoroughly stop the condensation risk that heat-pipe radiator heat exchange exists.Described each power-equipment is circulating water pump, cooling tower frequency conversion fan and frequency conversion feeding spraying pump.
Compared with prior art, beneficial effect of the present invention is as follows:
(1) realize the short distance of rack cold wind accurately to carry, settlement server rack local overheating and the problem that there is focus;
(2) possess and do not introduce outdoor air, do not affect cleanliness factor and the humidity of the air in machine room;
(3) the anti-condensation control of system active designs the anti-condensation control program of energy-saving active according to condensation generation and prevention mechanism, whole system simplicity of design, invest low, system machine room inside is unpowered, run noiselessness, safety and environmental protection, realize data center module energy efficiency, safe and reliable object.
figure of description
Fig. 1 is structural representation of the present invention;
Fig. 2 is machine room cell schematics of the present invention;
Fig. 3 is that refrigerant of the present invention supplies back fluorine cell schematics;
Wherein, 1. server cabinet; 2. radiator fan; 3. server; 4. heat-pipe radiator; 5. refrigerant loop is for fluorine arm; 6. refrigerant loop returns fluorine arm; 7. machine room refrigerant loop is for fluorine main; 8. machine room refrigerant loop returns fluorine main; 9. circulation fluorine pump; 10. flow switch; 11. reservoirs; 12. devices for drying and filtering; 13 ~ 16. safeguard ball valve; 17. for fluorine valve; 18. times fluorine valves; 19. heat exchange coils are for fluorine pipe; 20. heat exchange coils return fluorine pipe; 21. cooling tower shells; 22. frequency conversion fans; 23. dewater units; 24. frequency conversion feeding spraying pumps; 25. spray equipments; 26. heat exchange coils; 27. drainage pipes; 28. filling pipes; 29. overflow pipes; 30. air-inlet grilles; 31. control modules; 32. actions regulate input signal; 33. action regulation output signals; 34. is outdoor for fluorine tube connector; 35. outdoor times fluorine tube connectors; I. machine room unit; II. cooling unit; III. circulation power unit; IV. refrigerant supplies back fluorine unit.
Embodiment
Below in conjunction with Figure of description and specific embodiment the present invention made and elaborating further, but embodiment does not limit in any form the present invention.
Embodiment 1
As Fig. 1, a kind of fluorine pump loop server cabinet cooling system, comprise machine room unit I and refrigerant supplies back fluorine unit IV, described refrigerant supplies back fluorine unit IV to comprise circulation power unit III and cooling unit II, and described machine room unit I, circulation power unit III and cooling unit II are in turn connected to form closed circulation.
Further, described closed circulation connects machine room unit I and circulation power unit III for being provided with machine room refrigerant loop for fluorine main 7, be provided with and outdoor connect circulation power unit III and cooling unit II for fluorine tube connector 34, be provided with machine room refrigerant loop and return fluorine main 8 and outdoor time fluorine tube connector 35 is connected machine room unit I and cooling unit II.
As Fig. 2, described machine room unit I comprises the equipment cabinet server cooling system of multiple parallel connection, described equipment cabinet server cooling system comprises server cabinet 1, multiple radiator fan 2, multiple server 3 and multiple heat-pipe radiator 4, multiple radiator fan 2 is arranged at server cabinet 1 inner tip, and described multiple heat-pipe radiator 4 is separately positioned on server 3 lower end.Heat-pipe radiator 4 direct heat transfer cooling server 3, realizes the short distance conveying of cold wind, solves rack local overheating and there is hot issue.Meanwhile, heat-pipe radiator 4 is by server 3 interlocked control, and when a certain server 3 quits work, the heat-pipe radiator 4 of its correspondence also automatically shuts down, and no longer includes refrigerant circulation; When server 3 is restarted, heat-pipe radiator 4 is interlocked autoboot cooling server.Heat-pipe radiator 4 structure type includes but not limited to finned heat pipe radiator, micro channel heat tube radiator and ceramic-type heat-pipe radiator etc.
Further, described machine room refrigerant loop returns fluorine main 8 for fluorine main 7 and machine room refrigerant loop and is respectively equipped with multiple refrigerant loop and returns fluorine arm 6 for fluorine arm 5 and loop, and described refrigerant loop returns fluorine for fluorine arm 5 and loop and props up the heat-pipe radiator 4 accessing multiple parallel connection between 6 pipes.
As Fig. 3, described circulation power unit III is connected successively by circulation fluorine pump 9, reservoir 11 and device for drying and filtering 12 and is located at machine room refrigerant loop on fluorine main 7.Described device for drying and filtering 12 is connected for fluorine tube connector 34 with outdoor.Described circulation fluorine pump 9 adopts frequency conversion control technique.Described reservoir 11 can adapt to the different demands to freon under different operating mode, ensures for fluorine sufficient, makes system keep stable.
The floss hole place of described circulation fluorine pump 9 is provided with flow switch 10.When circulation fluorine pump 9 flow is too small, beyond normal range (NR), think and possibility pipeline blockage regulate input signal 32 to produce alarm to the anti-condensation control module 31 of active through action.
Ball valve 13 ~ 16 is safeguarded for being provided with between fluorine tube connector 34, between device for drying and filtering 12 and reservoir 11, between reservoir 11 and circulation fluorine pump 9 and before flow switch 10 in described device for drying and filtering 12 and outdoor.
Described cooling unit II comprises cooling tower, described cooling tower top is provided with frequency conversion fan 22, downside is provided with air-inlet grille 30, inside is provided with heat exchange coil 26 and heat exchange coil and returns fluorine pipe 20 for fluorine pipe 19 and heat exchange coil and be connected respectively, described heat exchange coil 26 upper end is provided with spray equipment 25, described spray equipment 25 upper end is provided with dewater unit 23, is also provided with frequency conversion feeding spraying pump 24 and is connected with spray equipment 25.Described heat exchange coil returns fluorine pipe 20 for fluorine pipe 19 and heat exchange coil and supplies with outdoor fluorine tube connector 34 to be connected with the outdoor fluorine tube connector 35 that returns respectively, and described heat exchange coil supplies between fluorine tube connector 34 for fluorine pipe 19 and outdoor, heat exchange coil returns fluorine pipe 20 and outdoor returning between fluorine tube connector 35 is respectively equipped with for fluorine valve 17 and time fluorine valve 18.
Described cooling tower is provided with overflow pipe 29, filling pipe 28 and drainage pipe 27 on the downside of another, and described filling pipe 28 to be located between overflow pipe 29 and drainage pipe 27 and to be connected with frequency conversion feeding spraying pump 24.By drainage pipe 27 draining and blowdown and overflow pipe 29 free drainage, ensure the safe and reliable operation of closed cooling tower, ensure that the recirculated water in intercooler is not contaminated simultaneously, extend the useful life of equipment.
Described rack unit I is also provided with the anti-condensation control module 31 of active, for fluorine temp probe T1 and machine room room air dew point temperature probe T2, the anti-condensation control module 31 of described active and being connected respectively for pop one's head in T2, circulation fluorine pump 9, frequency conversion fan 22 and frequency conversion feeding spraying pump 24 of fluorine temp probe T1, machine room room air dew point temperature, is describedly located on machine room refrigerant loop confession fluorine main 7 for fluorine temp probe T1.What described confession fluorine temp probe T1, machine room room air dew point temperature probe T2 measured supplies fluorine temperature and machine room room air dew point temperature, the anti-condensation control module 31 of described active, according to the control being regulated input signal 32 and action conditioning signal output signal 33 by action, thoroughly stops the condensation risk that heat-pipe radiator heat exchange exists.
The control method of a described fluorine pump loop server cabinet cooling system, comprises refrigerant circulation, server cabinet air heat radiation circulation and cooling tower heat radiation circulation.
Further, the low temperature refrigerant that described refrigerant circulation provides for cooling unit II, under the effect of circulation fluorine pump 9, enters machine room unit I along machine room refrigerant loop for fluorine main 7, enters in server cabinet 1 by many refrigerant loops in parallel with it for fluorine arms 5, refrigerant in each arm enters in the heat-pipe radiator 4 in server cabinet 1 under circulation fluorine pump 9 dynamic action, high-temperature gas refrigerant is become with after the hot-air indirect heat exchange of heat-pipe radiator 4, then return through refrigerant loop and flow into machine room refrigerant loop after fluorine arm 6 and return fluorine main 8 and gather, fluorine tube connector 35 is returned again through outdoor, return fluorine valve 18, heat exchange coil returns fluorine pipe 20 and enters closed cooling tower, high-temperature gas refrigerant in heat exchange coil 26 with the shower water on heat exchange coil 26 surface and the cold dry air indirect heat exchange by heat exchange coil 26 surface, become low temperature liquid refrigerant, supply fluorine pipe 19 through heat exchange coil, enter in circulation fluorine pump 9 for fluorine tube connector 34, device for drying and filtering 12 for fluorine valve 17, outdoor successively again under circulation fluorine pump 9 dynamic action.
Described server cabinet air heat radiation circulation is under the dynamic action of the built-in radiator fan 2 of server cabinet 1, the hot-air of server cabinet 1 outside enters server cabinet 1 through server cabinet 1 bottom air inlet mouth, the low temperature refrigerant heat exchange of hot-air first in heat-pipe radiator 4 with its heat-pipe radiator 4, become the cold air that temperature is lower, lower the temperature through server 3 pairs of server cabinet 1 equipment again, realize the conveying of short-range cold wind and accurate air-feeding; Circulating air temperature after heat exchange raises again, completes multiple intensification---cooling---after intensification, is discharging through server cabinet 1 top heat dissipation fan 2, and then completes the circulation of server cabinet 1 inner air and outer air, also completes the cooling down process to server 3 simultaneously.
Described cooling tower heat radiation circulation is under the effect of cooling tower top frequency conversion fan 22, outdoor cold dry air enters cooling tower shell 21 through air-inlet grille 30, and become saturated Hot wet air heating by the wet exchange of heat exchange coil heat 26, dewater unit 23, and discharge through frequency conversion fan 22 from the bottom to top; Recirculated cooling water bottom cooling tower shell 21 is under the effect of frequency conversion feeding spraying pump 24, be atomized or spray to heat exchange coil 26 surface through spray equipment 25, with the circulating refrigerant indirect heat exchange of its inside, the cooling water after heat absorption is lowered the temperature with the cold dry air hot and humid area entering cooling tower shell 21 simultaneously.When outdoor cold dry air temperature is lower, system automatic control controls to stop frequency conversion feeding spraying pump 24 to run, and only adopts outdoor cold dry air and heat exchange coil 26 indirect heat exchange, plays water-saving result.Wherein, cooling water in cooling tower shell 21 is supplemented by automatic control and adjustment filling pipe 28 pairs of cooling water inflows, by drainage pipe 27 draining and blowdown and overflow pipe 29 free drainage, ensure the safe and reliable operation of closed cooling tower, ensure that the recirculated water in cooling tower is not contaminated simultaneously, extend the useful life of equipment.
For the data center module not introducing outdoor new wind, its interior environmental air wet and dry bulb temperature requires to keep constant, therefore the dew point temperature of correspondence also keeps constant.What described active anti-condensation control module 31 uninterrupted sampling recorded for fluorine temp probe T1 and machine room room air dew point temperature probe T2 supplies fluorine temperature and machine room air dew point temperature, when machine room air dew point temperature is lower than during for fluorine temperature, illustrate that heat-pipe radiator 4 heat exchange does not exist condensation risk, to control machine room air themperature; If now machine room air dew point temperature is identical with set point, each power-equipment keeps standing state continuous service; If when machine room air dew point temperature is lower than set point, the anti-condensation control module 31 of described active sends action regulation output signal 33 to circulation fluorine pump 9, frequency conversion fan 22 and frequency conversion feeding spraying pump 24, reduce each power-equipment running frequency, to reach winding houses air dew point temperature and energy-conservation object; If machine room air dew point temperature higher than set point lower than for fluorine temperature time, the anti-condensation control module 31 of described active sends action regulation output signal 33 to Inner eycle fluorine pump 9, cooling tower frequency conversion fan 22 and frequency conversion feeding spraying pump 24, improve the running frequency of each power-equipment, meet the radiating requirements of equipment cabinet server to reach reduction machine room air themperature; When the air dew point temperature of machine room is higher than during for fluorine temperature, illustrate that the heat exchange of heat-pipe radiator 4 exists condensation risk, to control for fluorine temperature, the anti-condensation control module 31 of described active sends action regulation output signal 33 to circulation fluorine pump 9, cooling tower frequency conversion fan 22 and frequency conversion feeding spraying pump 24, reduce the power consumption of each power-equipment, reduce for fluorine temperature and the machine room air dew point temperature that temperature value gathers higher than synchronization must be ensured.Controlled by the continuous input of collection signal and the continuous output of action conditioning signal, thoroughly stop the condensation risk that heat-pipe radiator heat exchange exists.Described each power-equipment is circulating water pump, cooling tower frequency conversion fan and frequency conversion feeding spraying pump.
Claims (8)
1. the control method of a fluorine pump loop server cabinet cooling system, it is characterized in that, realized by fluorine pump loop server cabinet cooling system, a described refrigerant loop server cabinet cooling system, comprise machine room unit and refrigerant supplies back fluorine unit, described refrigerant supplies back fluorine unit to comprise circulation power unit and cooling unit, described machine room unit, circulation power unit and cooling unit are in turn connected to form closed circulation, and described control method comprises refrigerant circulation, server cabinet air heat radiation circulation and cooling tower heat radiation circulation.
2. the control method of a fluorine pump loop server cabinet cooling system according to claim 1, described machine room unit comprises multiple equipment cabinet server cooling system and the anti-condensation control module of active, described equipment cabinet server cooling system comprises multiple server and the corresponding heat-pipe radiator be located at below server, described circulation power unit is by flow switch, circulation fluorine pump, reservoir and device for drying and filtering are composed in series successively, described cooling unit comprises cooling tower, described cooling tower top is provided with frequency conversion fan, downside is provided with air-inlet grille, inside is provided with heat exchange coil, described heat exchange coil upper end is provided with spray equipment, described spray equipment upper end is provided with dewater unit, also be provided with frequency conversion feeding spraying pump to be connected with spray equipment, described flow switch, circulation fluorine pump, frequency conversion feeding spraying pump is connected with the anti-condensation control module of active with frequency conversion fan.
3. the control method of a fluorine pump loop server cabinet cooling system according to claim 1 or 2, it is characterized in that, described closed circulation returns fluorine main for being provided with machine room refrigerant loop for fluorine main and machine room refrigerant loop, described heat exchange coil one end successively by heat exchange coil for fluorine pipe, for fluorine valve, to be outdoorly connected for fluorine main with machine room refrigerant loop for fluorine tube connector, device for drying and filtering, reservoir, circulation fluorine pump, flow switch, the other end returns fluorine pipe by heat exchange coil successively, returns fluorine valve, outdoor time fluorine tube connector returns fluorine main with machine room refrigerant loop and is connected.
4. the control method of a fluorine pump loop server cabinet cooling system according to claim 1, it is characterized in that, the low temperature refrigerant that described refrigerant circulation provides for cooling unit is under the effect of circulation fluorine pump, enter machine room unit along machine room refrigerant loop for fluorine main, enter in server cabinet by many refrigerant loops in parallel with it for fluorine arm; Each refrigerant loop enters in the heat-pipe radiator in server cabinet for the refrigerant in fluorine arm under the effect of circulation fluorine pump power, high-temperature gas refrigerant is become with after the hot-air indirect heat exchange of heat-pipe radiator, then return through refrigerant loop and flow into machine room refrigerant loop after fluorine arm and return fluorine main and gather, return fluorine tube connector again through outdoor, return fluorine valve, heat exchange coil and return fluorine pipe and enter closed cooling tower, high-temperature gas refrigerant with the shower water on heat exchange coil surface and by the cold dry air indirect heat exchange on heat exchange coil surface, becomes low temperature liquid refrigerant in heat exchange coil; Supply fluorine pipe through heat exchange coil, enter in circulation fluorine pump for fluorine tube connector, device for drying and filtering for fluorine valve, outdoor successively again under the effect of circulation fluorine pump power.
5. the control method of a fluorine pump loop server cabinet cooling system according to claim 1, it is characterized in that, described server cabinet air heat radiation circulation is under the dynamic action of the built-in radiator fan of server cabinet, the hot-air of server cabinet outside enters server cabinet through server cabinet bottom air inlet mouth, the low temperature refrigerant heat exchange of hot-air first in heat-pipe radiator and its heat-pipe radiator, become the cold air that temperature is lower, then through server, server machine cabinet equipment is lowered the temperature; Circulating air temperature after heat exchange raises again, completes multiple intensification---cooling---after intensification, is discharging through server cabinet top heat dissipation fan.
6. the control method of a fluorine pump loop server cabinet cooling system according to claim 1, it is characterized in that, described cooling tower heat radiation circulation is under the effect of cooling tower top frequency conversion fan, outdoor cold dry air enters cooling tower shell through air-inlet grille, and become saturated Hot wet air heating by heat exchange coil hot and humid area, dewater unit from the bottom to top, and discharge through frequency conversion fan; Recirculated cooling water bottom cooling tower shell is under the effect of frequency conversion feeding spraying pump, be atomized through spray equipment or spray to heat exchange coil surface, with the circulating refrigerant indirect heat exchange of its inside, the cooling water after heat absorption is lowered the temperature with the cold dry air hot and humid area entering cooling tower shell simultaneously.
7. the control method of a fluorine pump loop server cabinet cooling system according to claim 1, it is characterized in that, described heat-pipe radiator by server interlocked control, when a certain server discontinuing operation, the heat-pipe radiator of its correspondence also automatically shuts down, and no longer includes refrigerant circulation; When Server Restart, heat-pipe radiator interlocking autoboot also cools server.
8. the control method of a fluorine pump loop server cabinet cooling system according to claim 1, it is characterized in that, be provided with for fluorine temp probe and machine room room air dew point temperature probe, the described fluorine temp probe that supplies is located at machine room refrigerant loop on fluorine main, what the anti-condensation control module uninterrupted sampling of described active recorded for fluorine temp probe and machine room room air dew point temperature probe supplies fluorine temperature and machine room air dew point temperature, if machine room air dew point temperature is identical with set point, each power-equipment keeps standing state continuous service; If when machine room air dew point temperature is lower than set point, the anti-condensation control module of described active sends action regulation output signal to circulation fluorine pump, cooling tower frequency conversion fan and frequency conversion feeding spraying pump, reduces each power-equipment running frequency; If machine room air dew point temperature is higher than set point lower than during for fluorine temperature, the anti-condensation control module of described active sends action regulation output signal to circulation fluorine pump, cooling tower frequency conversion fan and frequency conversion feeding spraying pump, improves the running frequency of each power-equipment; When the air dew point temperature of machine room is higher than during for fluorine temperature, the anti-condensation control module of described active sends action regulation output signal to circulation fluorine pump, cooling tower frequency conversion fan and frequency conversion feeding spraying pump, reduce the power consumption of each power-equipment, reduce for fluorine temperature and control the machine room air dew point temperature that gathers higher than synchronization for fluorine temperature, described each power-equipment is circulating water pump, cooling tower frequency conversion fan and frequency conversion feeding spraying pump.
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