CN104837323A - Data center inter-column heat dissipation system - Google Patents
Data center inter-column heat dissipation system Download PDFInfo
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- CN104837323A CN104837323A CN201510298594.3A CN201510298594A CN104837323A CN 104837323 A CN104837323 A CN 104837323A CN 201510298594 A CN201510298594 A CN 201510298594A CN 104837323 A CN104837323 A CN 104837323A
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Abstract
The invention discloses a data center inter-column heat dissipation system. The system comprises a cooling refrigeration set and a terminal heat dissipation unit (9). An outlet of the cooling refrigeration set is connected with an inlet of a heat dissipater of the terminal heat dissipation unit (9) through a cooling pipe. An outlet of the heat dissipater is connected with the cooling refrigeration set through a cycle pipe. The cooling refrigeration set includes a mechanical refrigeration unit (2) and a natural cooling unit (2) which are connected in series or parallel. The data center heat dissipation system provided by the invention can effectively reduce the PUE value of the data center, thereby achieving the effects of saving energy and reducing emission; the system can optimize air distribution, improve the utilization rate of cooling capacity, and prevent local hot spots; and the system is a perfect substitute for a data center air-conditioning set, thereby effectively improving the space utilization rate of a machine room.
Description
Technical field
The present invention relates to a kind of cooling system, particularly relate to cooling system between a kind of data center row.
Background technology
The development of data center of China is swift and violent, total amount is more than 400,000, year power consumption exceedes 1.5% of Analyzing Total Electricity Consumption, predicted data power consumption will be equivalent to the pipe of reinforced concrete at Three Gorges Power Station energy output of a year in 2015, wherein the PUE of most of data center is still generally greater than 2.2, has larger gap compared with international most advanced level.Data center's information technoloy equipment needs round-the-clock heat radiation, and the existing type of cooling is generally first cooler environment cooling device again, usually adopts precision air conditioner to freeze, to ensure the environmental Kuznets Curves requirement of data center.But data center's air-conditioner set power consumption has accounted for the 35%-45% that machine room always consumes energy, and be only second to the energy consumption of data center's information technoloy equipment, cause data center's PUE value higher, efficiency utilance is low.And precision air conditioner unit may be unreasonable due to air current composition, and there is the problems such as hot localised points.In addition, air-conditioner set is comparatively large to taking of space, and machine room space availability ratio can be caused lower.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, cooling system between a kind of data center row is provided, can natural cooling source be made full use of, realize completely alternative to traditional precision air conditioner, effectively reduce data center PUE value, reach the effect of energy-saving and emission-reduction.
The object of the invention is to be achieved through the following technical solutions: cooling system between a kind of data center row, comprise cooling refrigeration group and end heat-sink unit, the outlet of cooling refrigeration group is connected by the entrance of cooling pipe with the radiator of end heat-sink unit, the outlet of radiator is connected with cooling refrigeration group by returning cold pipe, and cooling refrigeration group comprises mechanical refrigeration unit in series or in parallel with each other and natural cooling unit.
Described mechanical refrigeration unit is connected with natural cooling unit, the outlet of mechanical refrigeration unit is connected with the entrance of natural cooling unit, the outlet of nature cooling unit is connected with the entrance of pump group unit, systematic pressure-stabilizing unit is provided with between nature cooling unit and pump group unit, the outlet of pump group unit is connected by the entrance of cold water water main with the radiator of end heat-sink unit, and the outlet of radiator is connected with mechanical refrigeration unit by cold-water return main.
Cooling system between described a kind of data center row, also comprise cold allocation units, cold allocation units distribute heat exchanger by least one cold and form.The one-level entrance that the outlet of pump group unit distributes heat exchanger by cold water water main and cold is connected, and the primary outlet that cold distributes heat exchanger is connected with mechanical refrigeration unit by cold-water return main.The secondary exit port that cold distributes heat exchanger is connected with the entrance of the radiator of end heat-sink unit, and the secondary inlet that outlet and the cold of radiator distribute heat exchanger is connected.
Described end heat-sink unit comprises heat exchanger between multiple row be arranged between rack, and between described row, heat exchanger comprises housing, radiator, cooling pipe, Hui Lengguan and circulating fan.Radiator is obliquely installed in housing, and cooling pipe carries out corresponding position to Hui Lengguan according to machine room installation scenarios and arranges, and cooling pipe and Hui Lengguan are connected with the entrance and exit of radiator respectively, and circulating fan is arranged at front or the back side of housing.
Described cold distributes on the cooling pipe between heat exchanger and the radiator of end heat-sink unit, can arrange working medium pump according to the heat-exchange working medium of end heat-sink unit.
Described mechanical refrigeration unit is in parallel with natural cooling unit, mechanical refrigeration unit is connected with the entrance of the mechanical low-temperature receiver end radiator of end heat-sink unit by mechanical refrigeration high-voltage tube, the outlet of machinery low-temperature receiver end radiator is connected with mechanical refrigeration unit by mechanical refrigeration low-voltage tube, the outlet of nature cooling unit is connected with the entrance of pump group unit, systematic pressure-stabilizing unit is provided with between nature cooling unit and pump group unit, the outlet of pump group unit is connected with the entrance of the natural cooling source end radiator of end heat-sink unit by natural cooling source refrigeration cooling main, the outlet of natural cooling source end radiator is connected with natural cooling unit by the natural cooling source cold main that freezes back.
Described end heat-sink unit comprises heat exchanger between multiple row be arranged between rack, and between described row, heat exchanger comprises housing, mechanical low-temperature receiver end radiator, mechanical low-temperature receiver end radiator cooling pipe, mechanical low-temperature receiver end radiator Hui Lengguan, natural cooling source end radiator, natural cooling source end radiator cooling pipe, natural cooling source end radiator return cold pipe and circulating fan.Machinery low-temperature receiver end radiator and natural cooling source end radiator are obliquely installed successively in housing, the entrance and exit of machinery low-temperature receiver end radiator connects mechanical low-temperature receiver end radiator cooling pipe and mechanical low-temperature receiver end radiator Hui Lengguan respectively, closed cycle is formed with mechanical refrigeration unit, the entrance and exit of natural cooling source end radiator connects natural cooling source end radiator cooling pipe and natural cooling source end radiator Hui Lengguan respectively, form closed cycle with natural cooling unit, circulating fan is arranged at front or the back side of housing.
Described mechanical refrigeration unit comprises mechanical refrigerator, Pressure gauge, butterfly valve, electric control valve, thermometer, flow switch, described mechanical refrigerator is cooling by wind or mechanical blowing cool condenser, described natural cooling unit comprises nature cold wind heat exchanger, is flexible coupling, described systematic pressure-stabilizing unit comprises accumulator tank, break valve, and described pump group unit comprises centrifugal water pump, y-type filter, check-valves.Described pump group unit and cold allocation units can carry out independence and arrange or redundancy setting, it is plate heat exchanger or tube heat exchanger that described cold distributes heat exchanger, described cooling by wind, natural air cooled heat exchanger and pump group unit all can adopt variable-frequency motor to control supply and return water temperature, the air-out form of heat exchanger between the row of described end heat-sink unit, can adopt front-outlet, inclined-plane air-out or side air-out according to the deployment scenarios of machine room, described cooling pipe and time cold Guan Shangjun can arrange pressure sensor and temperature sensor.
The invention has the beneficial effects as follows: (1), by making full use of natural cooling source, effectively can reduce data center PUE value, reach the effect of energy-saving and emission-reduction.(2) by the reasonable Arrangement in the ranks radiator air outlet, can optimization airflow tissue, raising cold utilizing ef-ficiency, avoids the appearance of hot localised points.(3) completely alternative by air-conditioner set, can effectively improve machine room space availability ratio, avoid data center space to be occupied by more air-conditioner set, reach the object saved land.
Accompanying drawing explanation
Fig. 1 is that mechanical refrigeration unit of the present invention and natural air cooled units in series are freezed one-level heat exchange single system structural representation;
Fig. 2 is that mechanical refrigeration unit of the present invention and natural air cooled units in series are freezed secondary heat exchange single system structural representation;
Fig. 3 is mechanical refrigeration unit of the present invention freeze dual-system structure schematic diagram in parallel with natural air cooled unit;
Fig. 4 is heat exchanger circulating fan front-outlet structural representation between end single system structure of the present invention row;
Fig. 5 is heat exchanger circulating fan inclined-plane air exhausting structure schematic diagram between end single system structure of the present invention row;
Fig. 6 is heat exchanger circulating fan side air exhausting structure schematic diagram between end single system structure of the present invention row;
Fig. 7 is heat exchanger circulating fan front-outlet structural representation between end dual-system structure of the present invention row;
Fig. 8 is heat exchanger circulating fan inclined-plane air exhausting structure schematic diagram between end dual-system structure of the present invention row;
Fig. 9 is heat exchanger circulating fan side air exhausting structure schematic diagram between end dual-system structure of the present invention row;
In figure, 1 mechanical refrigeration unit, 1-1 cooling by wind, 1-2 Pressure gauge, 1-3 butterfly valve, 1-4 electric control valve, 1-5 thermometer, 1-6 flow switch, 1-7 mechanical blowing cool condenser, 2 natural cooling units, the natural air cooled heat exchanger of 2-1, 2-2 is flexible coupling, 3 systematic pressure-stabilizing units, 3-1 accumulator, 3-2 break valve, 4 pressure sensors, 5 temperature sensors, 6 pump group unit, 6-1 centrifugal water pump, 6-2Y type filter, 6-3 check-valves, 7 cold water water mains, 8 cold allocation units, 8-1 cold distributes heat exchanger, 9 end heat-sink units, 9-1 working medium pump, 9-2 rack, 9-3 machinery low-temperature receiver end radiator, 9-4 circulating fan, 9-5 machinery low-temperature receiver end radiator cooling pipe, 9-6 machinery low-temperature receiver end radiator Hui Lengguan, 9-7 natural cooling source end radiator, 9-8 natural cooling source end radiator cooling pipe, 9-9 natural cooling source end radiator Hui Lengguan, 10 cold-water return mains, 11 mechanical refrigeration high-voltage tubes, 12 mechanical refrigeration low-voltage tubes, 13 natural cooling source refrigeration cooling mains, 14 natural cooling sources freeze back cold main.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
[embodiment 1] as shown in Figure 1, cooling system between a kind of data center row, comprise cooling refrigeration group and end heat-sink unit 9, the outlet of cooling refrigeration group is connected by the entrance of cooling pipe with the radiator of end heat-sink unit 9, and the outlet of radiator is connected with cooling refrigeration group by returning cold pipe.Cooling refrigeration group comprises mechanical refrigeration unit 1 and the natural cooling unit 2 of series connection mutually, the outlet of mechanical refrigeration unit 1 is connected with the entrance of natural cooling unit 2, the outlet of nature cooling unit 2 is connected with the entrance of pump group unit 6, systematic pressure-stabilizing unit 3 is provided with between nature cooling unit 2 and pump group unit 6, the outlet of pump group unit 6 is connected by the entrance of cold water water main 7 with the radiator of end heat-sink unit 9, and the outlet of radiator is connected with mechanical refrigeration unit 1 by cold-water return main 10.Described end heat-sink unit 9 comprises heat exchanger between multiple row be arranged between rack 9-2.
As shown in Figure 4, Figure 5 and Figure 6, between described row, heat exchanger comprises housing, radiator, cooling pipe, Hui Lengguan and circulating fan 9-4, radiator is obliquely installed in housing, cooling pipe and Hui Lengguan are connected with the entrance and exit of radiator respectively, and circulating fan 9-4 is arranged at front or the back side of housing.The air-out form of heat exchanger between row, according to the deployment scenarios of concrete machine room, can adopt front-outlet, inclined-plane air-out or side air-out various ways.
As shown in Figure 1, described mechanical refrigeration unit 1 comprises mechanical refrigerator, Pressure gauge 1-2, butterfly valve 1-3, electric control valve 1-4, thermometer 1-5, flow switch 1-6, described mechanical refrigerator is cooling by wind 1-1 or mechanical blowing cool condenser 1-7, described natural cooling unit 2 comprises nature cold wind heat exchanger 2-1, be flexible coupling 2-2, described systematic pressure-stabilizing unit 3 comprises accumulator tank 3-1, break valve 3-2, and described pump group unit 6 comprises centrifugal water pump 6-1, y-type filter 6-2, check-valves 6-3.Described pump group unit 6 can carry out independence and arrange or redundancy setting.Described cooling by wind 1-1, natural air cooled heat exchanger 2-1 and pump group unit 6 all can adopt frequency conversion means and run the object that number of units reaches refrigeration duty control.Described cooling system can arrange the relevant instrument such as corresponding pressure sensor 4, temperature sensor 5 on corresponding site, effectively controls, monitors and protects, with the stability of the fail safe and system cloud gray model that ensure system to system.Described cooling system can according to outdoor environment working conditions change, especially in outdoor environment temperature reduction situation, by controlling live load or the work number of units of mechanical refrigeration unit 1 and starting nature cooling unit 2, realize the pro rate of refrigeration duty therebetween, realized the heat radiation of data center as much as possible by natural cooling unit, improve the utilization of natural cooling source, after outdoor environment reduces further, by adopting frequency conversion fan or variable frequency pump, realize the conservative control for degree of rising again.
Between described data center's row, the course of work of cooling system is as follows: mechanical refrigeration unit 1 adopts the form of connecting with natural cooling unit 2; according to outdoor environment working condition; by controlling the operating load of mechanical refrigerator and the fan start and stop of natural air cooled heat exchanger 2-1 or rotating speed, control the Temperature of Working exported.Under the effect of pump group unit 6, cryogenic fluid enters the radiator of end heat-sink unit 9, and under the effect of circulating fan 9-4, hot-air discharges cold air after radiator cooling, and the cold air of discharge is used for dispelling the heat to data center machine cabinet 9-2.For the working medium after dispelling the heat, under the effect of pump group unit 6, again get back to mechanical refrigeration unit 1 and natural cooling unit 2, thus formed and close heat-exchanging loop.The system of this embodiment is called: mechanical refrigeration unit and natural air cooled units in series are freezed one-level heat exchange single system.
[embodiment 2] as shown in Figure 2, cooling system between a kind of data center row, comprise cooling refrigeration group and end heat-sink unit 9, the outlet of cooling refrigeration group is connected by the entrance of cooling pipe with the radiator of end heat-sink unit 9, and the outlet of radiator is connected with cooling refrigeration group by returning cold pipe.Cooling refrigeration group comprises mechanical refrigeration unit 1 and the natural cooling unit 2 of series connection mutually, the outlet of mechanical refrigeration unit 1 is connected with the entrance of natural cooling unit 2, the outlet of nature cooling unit 2 is connected with the entrance of pump group unit 6, systematic pressure-stabilizing unit 3 is provided with between nature cooling unit 2 and pump group unit 6, the outlet of pump group unit 6 is connected with the one-level entrance of cold allocation units 8 by cold water water main 7, and the primary outlet that cold distributes heat exchanger 8-1 is connected with mechanical refrigeration unit 1 by cold-water return main 10.The secondary exit port that cold distributes heat exchanger 8-1 is connected with the entrance of the radiator of end heat-sink unit 9, and the secondary inlet that outlet and the cold of radiator distribute heat exchanger 8-1 is connected.Described cold allocation units 8 distribute heat exchanger 8-1 by least one cold and form.Described end heat-sink unit 9 comprises heat exchanger between multiple row be arranged between rack 9-2.
As shown in Figure 4, Figure 5 and Figure 6, between described row, heat exchanger comprises housing, radiator, cooling pipe, Hui Lengguan and circulating fan 9-4, radiator is obliquely installed in housing, cooling pipe and Hui Lengguan are connected with the entrance and exit of radiator respectively, and circulating fan 9-4 is arranged at front or the back side of housing.The air-out form of heat exchanger between row, according to the deployment scenarios of concrete machine room, can adopt front-outlet, inclined-plane air-out or side air-out various ways.Described cold distributes on the cooling pipe between heat exchanger 8-1 and the radiator of end heat-sink unit 9, can arrange working medium pump 9-1 according to the heat-exchange working medium of end heat-sink unit 9.
As shown in Figure 2, described mechanical refrigeration unit 1 comprises mechanical refrigerator, Pressure gauge 1-2, butterfly valve 1-3, electric control valve 1-4, thermometer 1-5, flow switch 1-6, described mechanical refrigerator is cooling by wind 1-1 or mechanical blowing cool condenser 1-7, described natural cooling unit 2 comprises nature cold wind heat exchanger 2-1, be flexible coupling 2-2, described systematic pressure-stabilizing unit 3 comprises accumulator tank 3-1, break valve 3-2, and described pump group unit 6 comprises centrifugal water pump 6-1, y-type filter 6-2, check-valves 6-3.Described pump group unit 6 and cold allocation units 8 can carry out independence and arrange or redundancy setting.It is plate heat exchanger or tube heat exchanger that described cold distributes heat exchanger 8-1, and cold distributes on the cooling pipe between heat exchanger 8-1 and the radiator of end heat-sink unit 9, can arrange working medium pump 9-1 according to the heat-exchange working medium of end heat-sink unit 9.Described cooling by wind 1-1, natural air cooled heat exchanger 2-1 and pump group unit 6 all can adopt frequency conversion means and run the object that number of units reaches refrigeration duty control.Described cooling system can arrange the relevant instrument such as corresponding pressure sensor 4, temperature sensor 5 on corresponding site, effectively controls, monitors and protects, with the stability of the fail safe and system cloud gray model that ensure system to system.Described cooling system can according to outdoor environment working conditions change, especially in outdoor environment temperature reduction situation, by controlling live load or the work number of units of mechanical refrigeration unit 1 and starting nature cooling unit 2, realize the pro rate of refrigeration duty therebetween, realized the heat radiation of data center as much as possible by natural cooling unit, improve the utilization of natural cooling source, after outdoor environment reduces further, by adopting frequency conversion fan or variable frequency pump, realize the conservative control for degree of rising again.
Between described data center's row, the course of work of cooling system is as follows: similar with the course of work of execution mode 1, unlike: under the effect of pump group unit 6, cryogenic fluid enters cold allocation units 8, and the hot working fluid transmitted with end heat-sink unit 9 carries out heat exchange.After completing heat exchange, again get back in mechanical refrigeration unit 1 and natural cooling unit 2 under the effect of pump group unit 6, thus form the one-level heat-exchanging loop closed.In end heat-sink unit 9, under the effect of working medium pump 9-1, the high temperature refrigerant of data center is brought in the cold distribution heat exchanger 8-1 of cold allocation units 8, the cryogenic fluid provided with mechanical refrigeration unit 1 or natural cooling unit 2 carries out heat exchange, thus realize heat radiation, working medium after heat exchange again in the effect data center next time of working medium pump 9-1, thus forms the secondary heat exchange loop closed.The system of this embodiment is called: mechanical refrigeration unit and natural air cooled units in series are freezed secondary heat exchange single system.
[embodiment 3] as shown in Figure 3, cooling system between a kind of data center row, comprise cooling refrigeration group and end heat-sink unit 9, the outlet of cooling refrigeration group is connected by the entrance of cooling pipe with the radiator of end heat-sink unit 9, the outlet of radiator is connected with cooling refrigeration group by returning cold pipe, and cooling refrigeration group comprises mechanical refrigeration unit 1 parallel with one another and natural cooling unit 2.Mechanical refrigeration unit 1 is connected with the entrance of the mechanical low-temperature receiver end radiator 9-3 of end heat-sink unit 9 by mechanical refrigeration high-voltage tube 11, the outlet of machinery low-temperature receiver end radiator 9-3 is connected with mechanical refrigeration unit 1 by mechanical refrigeration low-voltage tube 12, the outlet of nature cooling unit 2 is connected with the entrance of pump group unit 6, systematic pressure-stabilizing unit 3 is provided with between nature cooling unit 2 and pump group unit 6, the outlet of pump group unit 6 is connected with the entrance of the natural cooling source end radiator 9-7 of end heat-sink unit 9 by natural cooling source refrigeration cooling main 13, the outlet of natural cooling source end radiator 9-7 is connected with natural cooling unit 2 by the natural cooling source cold main 14 that freezes back.Described end heat-sink unit 9 comprises heat exchanger between multiple row be arranged between rack 9-2.
As Fig. 7, shown in Fig. 8 and Fig. 9, between described row, heat exchanger comprises housing, machinery low-temperature receiver end radiator 9-3, machinery low-temperature receiver end radiator cooling pipe 9-5, machinery low-temperature receiver end radiator returns cold pipe 9-6, natural cooling source end radiator 9-7, natural cooling source end radiator cooling pipe 9-8, natural cooling source end radiator returns cold pipe 9-9 and circulating fan 9-4, machinery low-temperature receiver end radiator 9-3 and natural cooling source end radiator 9-7 is obliquely installed successively in housing, machinery low-temperature receiver end radiator cooling pipe 9-5 returns cold pipe 9-6 with mechanical low-temperature receiver end radiator and is connected with the entrance and exit of mechanical low-temperature receiver end radiator 9-3 respectively, natural cooling source end radiator cooling pipe 9-8 returns cold pipe 9-9 with natural cooling source end radiator and is connected with the entrance and exit of natural cooling source end radiator 9-7 respectively, circulating fan 9-4 is arranged at front or the back side of housing.The air-out form of heat exchanger between row, according to the deployment scenarios of concrete machine room, can adopt front-outlet, inclined-plane air-out or side air-out various ways.
As shown in Figure 3, described mechanical refrigeration unit 1 comprises mechanical refrigerator, Pressure gauge 1-2, butterfly valve 1-3, electric control valve 1-4, thermometer 1-5, flow switch 1-6, described mechanical refrigerator is mechanical blowing cool condenser 1-7, described natural cooling unit 2 comprises nature cold wind heat exchanger 2-1, be flexible coupling 2-2, described systematic pressure-stabilizing unit 3 comprises accumulator tank 3-1, break valve 3-2, and described pump group unit 6 comprises centrifugal water pump 6-1, y-type filter 6-2, check-valves 6-3.Described pump group unit 6 can carry out independence and arrange or redundancy setting.Described natural air cooled heat exchanger 2-1 and pump group unit 6 all can adopt frequency conversion means and run the object that number of units reaches refrigeration duty control.Described cooling system can arrange the relevant instrument such as corresponding pressure sensor 4, temperature sensor 5 on corresponding site, effectively controls, monitors and protects, with the stability of the fail safe and system cloud gray model that ensure system to system.Described cooling system can according to outdoor environment working conditions change, especially in outdoor environment temperature reduction situation, by controlling live load or the work number of units of mechanical refrigeration unit 1 and starting nature cooling unit 2, realize the pro rate of refrigeration duty therebetween, realized the heat radiation of data center as much as possible by natural cooling unit, improve the utilization of natural cooling source, after outdoor environment reduces further, by adopting frequency conversion fan or variable frequency pump, realize the conservative control for degree of rising again.
Between described data center's row, the course of work of cooling system is as follows: in this system, mechanical refrigeration unit 1 and natural cooling unit 2 are independent each other, in the higher situation of ambient temperature, mechanical blowing cool condenser 1-7 in mechanical refrigeration unit 1 is by compressor direct expansion heat exchange, by cold-producing medium phase transformation heat extraction from mechanical refrigeration unit, refrigeration duty is carried in the mechanical low-temperature receiver end radiator 9-3 of end heat-sink unit 9 li, under the effect of circulating fan 9-4, cooling working medium absorbs heat, again under compressor effect, again get back in mechanical refrigeration unit 1.After outdoor environment reaches certain low temperature, mechanical refrigeration unit 1 can be closed, start nature cooling unit 2, under the effect of pump group unit 6, refrigeration duty is taken in natural cooling source end radiator 9-7 by heat radiation by nature cooling working medium in natural air cooled heat exchanger 2-1, and under the effect of circulating fan 9-4, natural cooling working medium absorbs heat, again under the effect of pump group unit 6, again natural cooling working medium is taken in natural air cooled heat exchanger 2-1.The system of this embodiment is called: mechanical refrigeration unit freeze dual system in parallel with natural air cooled unit.
The above is only the preferred embodiment of the present invention, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should at the protection range of claims of the present invention.
Claims (8)
1. cooling system between data center's row, it is characterized in that: comprise cooling refrigeration group and end heat-sink unit (9), the outlet of cooling refrigeration group is connected by the entrance of cooling pipe with the radiator of end heat-sink unit (9), the outlet of radiator is connected with cooling refrigeration group by returning cold pipe, and cooling refrigeration group comprises mechanical refrigeration unit (1) in series or in parallel with each other and natural cooling unit (2).
2. cooling system between a kind of data center according to claim 1 row, it is characterized in that: described mechanical refrigeration unit (1) is connected with natural cooling unit (2), the outlet of mechanical refrigeration unit (1) is connected with the entrance of natural cooling unit (2), the outlet of nature cooling unit (2) is connected with the entrance of pump group unit (6), systematic pressure-stabilizing unit (3) is provided with between nature cooling unit (2) and pump group unit (6), the outlet of pump group unit (6) is connected by the entrance of cold water water main (7) with the radiator of end heat-sink unit (9), the outlet of radiator is connected with mechanical refrigeration unit (1) by cold-water return main (10).
3. cooling system between a kind of data center according to claim 2 row, it is characterized in that: also comprise cold allocation units (8), cold allocation units (8) distribute heat exchanger (8-1) by least one cold and form; The one-level entrance that the outlet of pump group unit (6) distributes heat exchanger (8-1) by cold water water main (7) and cold is connected, and the primary outlet that cold distributes heat exchanger (8-1) is connected with mechanical refrigeration unit (1) by cold-water return main (10); The secondary exit port that cold distributes heat exchanger (8-1) is connected with the entrance of the radiator of end heat-sink unit (9), and the secondary inlet that outlet and the cold of radiator distribute heat exchanger (8-1) is connected.
4. cooling system between a kind of data center row according to Claims 2 or 3, it is characterized in that: described end heat-sink unit (9) comprises heat exchanger between multiple row be arranged between rack (9-2), between described row, heat exchanger comprises housing, radiator, cooling pipe, Hui Lengguan and circulating fan (9-4); Radiator is obliquely installed in housing; Cooling pipe and Hui Lengguan are connected with the entrance and exit of radiator respectively; Circulating fan (9-4) is arranged at front or the back side of housing.
5. cooling system between a kind of data center according to claim 3 row, it is characterized in that: described cold distributes on the cooling pipe between heat exchanger (8-1) and the radiator of end heat-sink unit (9), and the heat-exchange working medium of end heat-sink unit (9) is provided with working medium pump (9-1).
6. cooling system between a kind of data center according to claim 1 row, it is characterized in that: described mechanical refrigeration unit (1) is in parallel with natural cooling unit (2), mechanical refrigeration unit (1) is connected by the entrance of mechanical refrigeration high-voltage tube (11) with the mechanical low-temperature receiver end radiator (9-3) of end heat-sink unit (9), and the outlet of mechanical low-temperature receiver end radiator (9-3) is connected with mechanical refrigeration unit (1) by mechanical refrigeration low-voltage tube (12); The outlet of nature cooling unit (2) is connected with the entrance of pump group unit (6), systematic pressure-stabilizing unit (3) is provided with between nature cooling unit (2) and pump group unit (6), the outlet of pump group unit (6) is connected with the entrance of the natural cooling source end radiator (9-7) of end heat-sink unit (9) by natural cooling source refrigeration cooling main (13), and the outlet of natural cooling source end radiator (9-7) is connected with natural cooling unit (2) by the natural cooling source cold main (14) that freezes back.
7. cooling system between a kind of data center according to claim 6 row, it is characterized in that: described end heat-sink unit (9) comprises heat exchanger between multiple row be arranged between rack (9-2), between described row, heat exchanger comprises housing, machinery low-temperature receiver end radiator (9-3), machinery low-temperature receiver end radiator cooling pipe (9-5), machinery low-temperature receiver end radiator Hui Lengguan (9-6), natural cooling source end radiator (9-7), natural cooling source end radiator cooling pipe (9-8), natural cooling source end radiator Hui Lengguan (9-9) and circulating fan (9-4), machinery low-temperature receiver end radiator (9-3) and natural cooling source end radiator (9-7) are obliquely installed successively in housing, machinery low-temperature receiver end radiator cooling pipe (9-5) is connected with the entrance and exit of mechanical low-temperature receiver end radiator (9-3) respectively with mechanical low-temperature receiver end radiator Hui Lengguan (9-6), natural cooling source end radiator cooling pipe (9-8) is connected with the entrance and exit of natural cooling source end radiator (9-7) respectively with natural cooling source end radiator Hui Lengguan (9-9), circulating fan (9-4) is arranged at front or the back side of housing.
8. according to cooling system between a kind of data center row in claim 1-7 described in any one, it is characterized in that: described mechanical refrigeration unit (1) comprises mechanical refrigerator, Pressure gauge (1-2), butterfly valve (1-3), electric control valve (1-4), thermometer (1-5), flow switch (1-6), described mechanical refrigerator is cooling by wind (1-1) or mechanical blowing cool condenser (1-7); Described natural cooling unit (2) comprises nature cold wind heat exchanger (2-1), be flexible coupling (2-2); Described systematic pressure-stabilizing unit (3) comprises accumulator tank (3-1), break valve (3-2); Described pump group unit (6) comprises centrifugal water pump (6-1), y-type filter (6-2), check-valves (6-3); Described pump group unit (6) and cold allocation units (8) carry out independence and arrange or redundancy setting; It is plate heat exchanger or tube heat exchanger that described cold distributes heat exchanger (8-1); Described cooling by wind (1-1), natural air cooled heat exchanger (2-1) and pump group unit (6) all adopt variable-frequency motor to control supply and return water temperature; Between the row of described end heat-sink unit (9), the air-out form of heat exchanger adopts front-outlet, inclined-plane air-out or side air-out.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN105188316A (en) * | 2015-08-21 | 2015-12-23 | 四川斯普信信息技术有限公司 | Dual-system mutually-backup-cabinet heat pipe backplate heat-extraction system |
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| CN105555106A (en) * | 2016-02-29 | 2016-05-04 | 北京百度网讯科技有限公司 | Cooling apparatus used for machine cabinet and machine cabinet |
| CN105555106B (en) * | 2016-02-29 | 2018-05-22 | 北京百度网讯科技有限公司 | For the cooling device and cabinet of cabinet |
| CN114828597A (en) * | 2022-06-08 | 2022-07-29 | 中国矿业大学 | Disaster recovery data center cooling system based on natural cooling and server level cooling |
| CN114828597B (en) * | 2022-06-08 | 2022-11-08 | 中国矿业大学 | Disaster recovery data center cooling system based on natural cooling and server level cooling |
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