CN106247501A - Data center is with closing the passage of heat full return air dry air energy central air conditioner system - Google Patents
Data center is with closing the passage of heat full return air dry air energy central air conditioner system Download PDFInfo
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- CN106247501A CN106247501A CN201610615442.6A CN201610615442A CN106247501A CN 106247501 A CN106247501 A CN 106247501A CN 201610615442 A CN201610615442 A CN 201610615442A CN 106247501 A CN106247501 A CN 106247501A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0227—Ducting arrangements using parts of the building, e.g. air ducts inside the floor, walls or ceiling of a building
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
- H05K7/20827—Liquid cooling with phase change within rooms for removing heat from cabinets, e.g. air conditioning devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
Data center disclosed by the invention is with closing the passage of heat full return air dry air energy central air conditioner system, include dry air energy Central air-conditioning unit, dry air energy Central air-conditioning unit is connected with data center by backwind tube, intracardiac return air return air is processed in dry air energy Central air-conditioning unit energy data collection so that it is become the air meeting air-supply condition；Dry air energy Central air-conditioning unit is connected with data center also by ajutage, and the air meeting air-supply condition can be sent in data center through ajutage and machine room air outlet.Data center of the present invention is with closing the passage of heat full return air dry air energy central air conditioner system, data center all-year-around cooling demand can be effectively ensured, the phenomenon that air current composition is chaotic occurs, moreover it is possible to realize the reasonable adjusting of three kinds of operational modes according to different meteorological conditions in being avoided that data center.
Description
Technical field
The invention belongs to air conditioning system technical field, be specifically related to a kind of data center and do with closing the passage of heat-full return air
Air energy central air conditioner system.
Background technology
Under country vigorously advocates the overall situation of energy-saving and emission-reduction, save data center's air conditioning energy consumption particularly important.Existing
Some part data centers air-conditioning uses the mode of air-supply under raised floor, fully relies on precision air conditioner and arrogates in data center
All loads, energy expenditure is huge.Also new wind and evaporation is used to cool united technology in some data center, this skill
The advantage of art is to be substantially reduced the expense of HVAC system, reduces PUE value, but due to evaporation cooling be vulnerable to seasonal with
Region affects, and is difficult to ensure that its cooling-down effect in summer under extreme weather conditions.
Environment in data center has the advantages that return air temperature is high and wet-bulb depression is big, is particularly suitable for utilizing evaporation cold
But technical finesse return air, to reach data core cooling, the requirement that humidifies and purify, but needs in view of data center's later stage
Constantly increase-volume, depends merely on evaporation cooling and cannot meet the cooling needs in later stage, it is therefore necessary to suitably increasing mechanical refrigeration apparatus expires
Foot cooling needs, but a large amount of use of mechanical refrigeration apparatus is easily caused air current composition confusion in data center, cold and hot blending
Phenomenon is serious, causes cooling effect the best.
Summary of the invention
It is an object of the invention to provide a kind of data center with closing the passage of heat-full return air dry air energy central air-conditioning system
System, can be effectively ensured data center's all-year-around cooling demand, occurs the phenomenon that air current composition is chaotic in being avoided that data center, moreover it is possible to
The reasonable adjusting of three kinds of operational modes is realized according to different meteorological conditions.
The technical solution adopted in the present invention is, data center is with closing the passage of heat-full return air dry air energy central air-conditioning
System, includes dry air energy Central air-conditioning unit, and dry air energy Central air-conditioning unit is connected with data center by backwind tube,
Intracardiac return air return air is processed in dry air energy Central air-conditioning unit energy data collection so that it is become and meet air-supply bar
The air of part；Dry air energy Central air-conditioning unit is connected with data center also by ajutage, meets the air energy of air-supply condition
Send in data center through ajutage and machine room air outlet.
The feature of the present invention also resides in:
Upper strata in data center is furred ceiling layer, and whole furred ceiling layer forms return air channel；Arrange on one sidewall of furred ceiling layer
Having machine room exhaust outlet, dry air energy Central air-conditioning unit is connected with this machine room exhaust outlet by backwind tube；Arrange in data center
Multiple server cabinet group, each server cabinet group is had to be made up of two server cabinets, and two server cabinet air-out
Side in being oppositely arranged, between the air side of two server cabinets formed close the passage of heat, every close the passage of heat all with time
Wind channel connection, sends in return air channel for the hot blast discharged by server cabinet through closing the passage of heat, each server machine
The inlet side of cabinet forms cold air duct；The side wall bottom of data center is provided with machine room air outlet, dry air energy central air conditioning
Group is connected with this machine room air outlet by ajutage, and machine room air outlet can realize filling the air air-supply, thus will be central through dry air energy
The air meeting air-supply condition after air conditioning unit process delivers to the cold air duct of each server cabinet, is used for cooling down server machine
Server in cabinet.
Dry air energy Central air-conditioning unit, includes machine unit shell, is separated into two wind of upper and lower layout in machine unit shell
Road；The structure of upper air duct is: be respectively arranged with secondary wind air inlet, secondary wind exhaust outlet on the two side that machine unit shell is relative,
Be disposed with between secondary wind air inlet and secondary wind exhaust outlet pocket type roughing efficiency air filter b, the first direct evaporating-cooling unit,
Secondary air chamber, scroll compressor, air cooled condenser, choke valve and secondary exhausting machine；The structure of lower air duct is: machine unit shell
Being respectively arranged with return air air inlet and air outlet on relative two side, return air air inlet is connected with backwind tube, air outlet with give
Airduct connects；Be disposed with between return air air inlet and air outlet pocket type roughing efficiency air filter a, coil pipe indirect evaporation cooler,
Return air chamber, the second direct evaporating-cooling unit, direct-expansion-type vaporizer and pressure fan；At the beginning of pocket type roughing efficiency air filter b and pocket type
Effect filter a combines composition air filter unit；First direct evaporating-cooling unit with coil pipe indirect evaporation cooler through being connected
Constitute directly-coil pipe indirect evaporating-cooling unit；Secondary air chamber combine with return air chamber composition new/return air mixed cell, and returning
It is provided with preheater in air compartment, the machine unit shell sidewall that return air chamber is corresponding is provided with return air inlet for air-conditioner；Scroll compressor, wind
Air-cooled condenser, choke valve and direct-expansion-type vaporizer are sequentially connected with composition closed-loop path through copper pipe and form mechanical refrigeration evaporation
Device/condenser unit；Secondary exhausting machine and pressure fan combine composition fan unit.
First direct evaporating-cooling unit, includes direct evaporating-cooling filler b, the top of direct evaporating-cooling filler b
It is provided with water distribution unit；The air side of direct evaporating-cooling filler b is provided with material filling type water fender b, direct evaporating-cooling filler b
The lower section of material filling type water fender b is provided with header tank, and header tank is connected with coil pipe indirect evaporation cooler by water pipe, stores
Being provided with water circulating pump b on water pipe, coil pipe indirect evaporation cooler is connected with water distribution unit also by feed pipe a.
Water distribution unit by water distributor and multiple be uniformly arranged on water distributor and towards direct evaporating-cooling filler b spray
Nozzle is constituted；Water distributor is connected with feed pipe a.
Second direct evaporating-cooling unit, includes direct evaporating-cooling filler a, the top of direct evaporating-cooling filler a
It is provided with spray unit；The air side of direct evaporating-cooling filler a is provided with material filling type water fender a, direct evaporating-cooling filler a
The lower section of material filling type water fender a is provided with catch basin, and catch basin is connected with spray unit by the second feed pipe b, and second supplies
Water circulating pump a it is provided with on water pipe b.
Spray unit is by spraying feed pipe and multiple being uniformly arranged on spray feed pipe and fill out towards direct evaporating-cooling
The shower nozzle composition of material a spray, spray feed pipe and the second feed pipe b connect.
Ajutage and backwind tube are aluminum airduct, and ajutage and backwind tube outer wall are all laid with heat-insulation layer.
Close the passage of heat and be equipped with safety glass fire resistant doorsets.
Secondary exhausting machine and pressure fan are centrifugal frequency conversion fan.
The beneficial effects of the present invention is:
(1) data center of the present invention has simple in construction with closing the passage of heat-full return air dry air energy central air conditioner system
Advantage, compared with existing water-cooled frozen water type air conditioning system, eliminate the equipment such as cooling tower, plate type heat exchanger and complexity
Pipe network system, operation maintenance is more convenient；In addition, by data center of the present invention with closing the passage of heat-full return air dry air energy
When central air conditioner system is applied in data center, without setting up antistatic floor in data center, reduce construction costs.
(2) data center of the present invention is evaporation to be cooled down with closing the passage of heat-full return air dry air energy central air conditioner system
Technology combines with mechanical refrigeration techniques, can open unit flexibly different according to the epidemic disaster fluctuation situation in data center
Functional section, it is achieved three kinds of different operational modes.
(3) data center of the present invention have employed filler in closing the passage of heat-full return air dry air energy central air conditioner system
Formula direct evaporative cooler, can provide the cold wind less than outside air temperature, Jin Erneng for the condenser in mechanical refrigeration system
Reducing condensation temperature to a certain extent, make input power reduce, refrigerating capacity increases, the coldest due to material filling type direct evaporation again
But the electric energy that device consumes is less, finally makes the COP of system improve a lot.
(4) data center of the present invention can process full return air with closing the passage of heat-full return air dry air energy central air conditioner system,
Not being introduced directly into new wind, in Neng Shi data center, dust content is relatively low, it is ensured that the requirement of cleanliness factor in data center, the most right
Air conditioning unit filtering requirement can suitably reduce, and decreases airfiltering cost.
(5) data center of the present invention closes heat with closing the passage of heat-interior employing of full return air dry air energy central air conditioner system
Passage, isolate hot and cold air in data center, it is to avoid the blending phenomenon of hot and cold air, to cooling in data center more
Uniformly.
Accompanying drawing explanation
The structural representation closing the passage of heat-full return air dry air energy central air conditioner system of Tu1Shi data center of the present invention
Figure；
Dry air energy in the Tu2Shi data center of the present invention closing passage of heat-full return air dry air energy central air conditioner system
The structural representation of Central air-conditioning unit.
In figure, A. air filter unit, B. directly-coil pipe indirect evaporating-cooling unit, C. is new/return air mixed cell, D.
Mechanical refrigeration evaporator/condenser unit, E. fan unit；
1. dry air energy Central air-conditioning unit, 2. ajutage, 3. machine room air outlet, 4. server cabinet, 5. closes heat logical
Road, 6. furred ceiling layer, 7. machine room exhaust outlet, 8. backwind tube, 9. return air air inlet, 10. pocket type roughing efficiency air filter a, 11. coil pipes are indirect
Vapotron, 12. preheaters, 13. return air inlet for air-conditioners, 14. direct evaporating-cooling filler a, 15. water circulating pump a, 16. fillers
Formula water fender a, 17. direct-expansion-type vaporizers, 18. pressure fan, 19. air outlets, 20. secondary wind air inlets, imitate at the beginning of 21. pocket types
Filter b, 22. water circulating pump b, 23. direct evaporating-cooling filler b, 24. material filling type water fender b, 25. scroll compressors,
26. air cooled condensers, 27. choke valves, 28. secondary exhausting machines, 29. secondary wind exhaust outlets, 30. water pipes, 31. feed pipe a,
32. feed pipe b.
Detailed description of the invention
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
Data center of the present invention with closing the passage of heat-full return air dry air energy central air conditioner system, its structure such as Fig. 1 institute
Showing, including dry air energy Central air-conditioning unit 1, dry air energy Central air-conditioning unit 1 is by backwind tube 8 and data center's infantile tic
The machine room exhaust outlet 7 arranged at top layer 6 connects, and dry air energy Central air-conditioning unit 1 can intracardiac return air right in data collection
Return air processes so that it is become the air meeting air-supply condition；Dry air energy Central air-conditioning unit 1 also by ajutage 2 with
The machine room air outlet 3 arranged on data center's side wall connects, and the air meeting air-supply condition can be through ajutage 2 and machine room air outlet
3 send in data center.
It is provided with volume control damper in machine room air outlet 3 and machine room exhaust outlet 7.
Upper strata in data center is furred ceiling layer 6, and whole furred ceiling layer 6 forms return air channel；It is provided with many in data center
Individual server cabinet group, each server cabinet group is made up of two server cabinets 4, and two server cabinet 4 air sides
In being oppositely arranged, between the air side of two server cabinets 4 formed close the passage of heat 5, every close the passage of heat 5 all with time
Wind channel connection, sends in return air channel for the hot blast discharged by server cabinet 4 through closing the passage of heat 5, each server
The inlet side of rack 4 forms cold air duct；Machine room air outlet 3 is positioned at the side wall bottom of data center, and machine room air outlet 3 can realize
Fill the air air-supply, thus the air meeting air-supply condition after dry air energy Central air-conditioning unit 1 processes is delivered to each server
The cold air duct of rack 4, for cooling down the server in server cabinet 4.
Ajutage 2 and backwind tube 8 are aluminum airduct, and heat-insulation layer is all laid in outside, and this heat-insulation layer is by insulation material system
Become.
Close the passage of heat 5 and be equipped with safety glass fire resistant doorsets.
Dry air energy Central air-conditioning unit 1, its structure is concrete as in figure 2 it is shown, include machine unit shell, divides in machine unit shell
It is divided into two air channels of upper and lower layout；The structure of upper air duct is: be respectively arranged with secondary wind on the two side that machine unit shell is relative
Air inlet 20, secondary wind exhaust outlet 29, be disposed with between secondary wind air inlet 20 and secondary wind exhaust outlet 29 at the beginning of pocket type and imitate
Filter b21, the first direct evaporating-cooling unit, secondary air chamber, scroll compressor 25, air cooled condenser 26, choke valve
27 and secondary exhausting machine 28；The structure of lower air duct is: be respectively arranged with on the two side that machine unit shell is relative return air air inlet 9,
Air outlet 19, return air air inlet 9 is connected with backwind tube 8, and air outlet 19 is connected with ajutage 2；Return air air inlet 9 and air outlet 19
Between be disposed with pocket type roughing efficiency air filter a10, coil pipe indirect evaporation cooler 11, return air chamber, the second direct evaporating-cooling
Unit, direct-expansion-type vaporizer 17 (cooling effect becomes apparent from) and pressure fan 18；Imitate at the beginning of pocket type roughing efficiency air filter b21 and pocket type
Filter a10 combines composition air filter unit A；First direct evaporating-cooling unit and coil pipe indirect evaporation cooler 11 are through even
Connect and constitute directly-coil pipe indirect evaporating-cooling unit B；Secondary air chamber combine with return air chamber composition new/return air mixed cell C, and
In return air chamber, it is provided with preheater 12, the machine unit shell sidewall that return air chamber is corresponding is provided with return air inlet for air-conditioner 13；Vortex
Compressor 25, air cooled condenser 26, choke valve 27 and direct-expansion-type vaporizer 17 are sequentially connected with composition through copper pipe and close back
Road forms mechanical refrigeration evaporator/condenser cells D；Secondary exhausting machine 28 and pressure fan 18 combine composition fan unit E.
Secondary exhausting machine 28 and pressure fan 18 are centrifugal frequency conversion fan.
First direct evaporating-cooling unit, as in figure 2 it is shown, include direct evaporating-cooling filler b23, direct evaporating-cooling
Filler b23 is provided above water distribution unit；The air side of direct evaporating-cooling filler b 23 is provided with material filling type water fender
B24, the lower section of direct evaporating-cooling filler b 23 and material filling type water fender b24 is provided with header tank, and header tank passes through water pipe
30 are connected with coil pipe indirect evaporation cooler 11, and coil pipe indirect evaporation cooler 11 is also by feed pipe a31 with water distribution unit even
Connect.
Water distribution unit is by water distributor and multiple are uniformly arranged on water distributor and spray towards direct evaporating-cooling filler b 23
The nozzle drenched is constituted, and water distributor is connected with feed pipe a31.
Water circulating pump b22 it is provided with on water pipe 30；Water circulating pump b22 is immersible pump.
Second direct evaporating-cooling unit, as in figure 2 it is shown, include direct evaporating-cooling filler a14, direct evaporating-cooling
Filler a14 is provided above spray unit；The air side of direct evaporating-cooling filler a14 is provided with material filling type water fender a16,
The lower section of direct evaporating-cooling filler a14 and material filling type water fender a16 is provided with catch basin, and catch basin passes through the second feed pipe
B32 is connected with spray unit.
Spray unit is by spraying feed pipe and multiple being uniformly arranged on spray feed pipe and fill out towards direct evaporating-cooling
The shower nozzle composition of material a14 spray, spray feed pipe and the second feed pipe b32 connect.
It is provided with water circulating pump a15 on second feed pipe b32；Water circulating pump a15 is immersible pump.
Data center of the present invention is with closing the effect of critical piece in the passage of heat-full return air dry air energy central air conditioner system
As follows:
Air filter unit A: be made up of pocket type roughing efficiency air filter b21 and pocket type roughing efficiency air filter a10；Wherein, at the beginning of pocket type
Effect filter b21 is positioned at secondary wind air inlet 20, and pocket type roughing efficiency air filter a10 is positioned at air inlet 9, pocket type roughing efficiency air filter
B21 and pocket type roughing efficiency air filter a10 joins together for filtering the return air entered in dry air energy Central air-conditioning unit 1
Process.
Directly-coil pipe indirect evaporating-cooling unit B: by the first direct evaporating-cooling unit and coil pipe indirect evaporation cooler
11 connect formation loop by water pipe 30 and the first feed pipe a31；Water in header tank in first direct evaporating-cooling unit
Enter coil pipe indirect evaporation cooler 11 by water pipe 30, coil pipe indirect evaporation cooler 11 now can be utilized to enter through return air
The new wind that air port 9 enters carries out precooling treatment, and after the water in coil pipe indirect evaporation cooler 11 absorbs the heat in return air, then
Delivered in water distribution unit by the first feed pipe a31, by water distribution unit by Water spray on direct evaporating-cooling filler b 23, and with
This completes circulation.
Newly/return air mixed cell C: be made up of secondary air chamber set up and down and return air chamber；And arrange in return air chamber
There is preheater 12, the machine unit shell sidewall that return air chamber is corresponding is provided with return air inlet for air-conditioner 13.
Mechanical refrigeration evaporator/condenser cells D: by scroll compressor 25, air cooled condenser 26, choke valve 27 and
Direct-expansion-type vaporizer 17 passes sequentially through copper pipe and connects and composes closed-loop path；Wherein, the condensation that air cooled condenser 26 produces
Heat is taken away by control air, and direct-expansion-type vaporizer 17 can carry out dehumidification cooling to output air.
Fan unit E: be made up of secondary exhausting machine 28 and pressure fan 18；The secondary exhausting machine 28 secondary after processing
Air is discharged, and pressure fan 18 is for sending into the cold wind meeting air-supply condition in data center through ajutage 2, machine room air outlet 3
Each bar cold air duct in, it is achieved to the cooling of Servers-all in server cabinet 4.
Data center of the present invention is as follows by the work process closing the passage of heat-full return air dry air energy central air conditioner system:
Under the dynamic action of pressure fan 18, in data center, the hot-air in all closing passage of heats 5 is through return air
Pipe 8 is delivered in return air channel, then by return air channel and return air air inlet 9, hot-air is sent into dry air energy Central air-conditioning unit
In lower air duct in 1；
By pocket type roughing efficiency air filter a10, hot-air is filtered, form clean hot-air；
By parts different in opening dry air energy Central air-conditioning unit 1, clean hot-air is located accordingly
After reason, just can form the air meeting air-supply condition；
Under the effect of pressure fan 18, the air meeting air-supply condition is delivered to data through ajutage 2 and machine room air outlet 3
In intracardiac, meet the air of air-supply condition and in data center, fill the air the mode of air-supply enter in each bar cold air duct, then enter
Enter in each server cabinet 4, for cooling down the server in server cabinet 4, after device to be serviced has cooled down, meet air-supply
The air of condition, because absorbing the heat of server and temperature rising, becomes hot-air again；
Hot-air flows into be closed in the passage of heat 5, afterwards using this part hot-air as the return air in data center, return air warp
Return air channel in data center's infantile tic top layer 6, backwind tube 8 enter in the lower air duct in dry air energy Central air-conditioning unit 1, and
Circulation is completed with this.
Data center of the present invention can realize following three kinds of fortune with closing the passage of heat-full return air dry air energy central air conditioner system
Row mode:
(1) coil pipe indirect evaporating-cooling and mechanical refrigeration combined operation approach (IEC+DX): this pattern is mainly for summer
Operating mode, and the situation that data center's load is the biggest；To open directly-coil pipe indirect evaporating-cooling unit B in this operating mode
With mechanical refrigeration evaporator/condenser cells D, concrete work process is as follows:
Under the dynamic action of pressure fan 18, the hot-air closed in the passage of heat 5 in data center enters through backwind tube 8
Enter in the lower air duct in dry air energy Central air-conditioning unit 1；Hot-air is formed clean after pocket type roughing efficiency air filter a10 filters
Hot-air；Clean hot-air is clammy but through directly-coil pipe indirect evaporating-cooling unit B inner tube indirect evaporation cooler 11 etc.,
Enter in mechanical refrigeration evaporator/condenser cells D afterwards, direct-expansion-type vaporizer 17 it is further dropped
Temperature；Finally under the effect of pressure fan 18, send into each bar cold air duct in data center through ajutage 2 and machine room air outlet 3
In, for cooling down the server in data center.
Outdoor air, under the effect of secondary exhausting machine 28, is entered dry air energy central air conditioning by secondary wind air inlet 20
In upper air duct in group 1；Outdoor air, after pocket type roughing efficiency air filter b21 filters, forms clean auxiliary air；Clean
Auxiliary air enters in the first direct evaporating-cooling unit, with direct evaporating-cooling filler at direct evaporating-cooling filler b23
Moisture film generation hot and humid area on b23 surface (by water distribution unit by Water spray on direct evaporating-cooling filler b23, directly
Evaporation cooling filler b23 surface forms moisture film), form secondary cold wind；Secondary cold wind blows to air cooled condenser 26, lowers the temperature for it
Heat radiation；The air finally absorbing condensation heat is discharged to outdoor through secondary wind exhaust outlet 29 under the effect of secondary exhausting machine 28.
(2) coil pipe indirect evaporating-cooling and direct evaporating-cooling combined operation approach (IDEC): this pattern is mainly for mistake
Cross season, and data center's internal heat generation amount is less, in the case of needing again necessarily to humidify simultaneously；Mainly open under this operational mode
Directly-coil pipe indirect evaporating-cooling unit B and the second direct evaporating-cooling unit, specific works process is as follows:
Under the dynamic action of pressure fan 18, the hot-air closed in the passage of heat 5 in data center enters through backwind tube 8
Enter in the lower air duct in dry air energy Central air-conditioning unit 1；Hot-air is formed clean after pocket type roughing efficiency air filter a10 filters
Hot-air；Clean hot-air is clammy through directly-coil pipe indirect evaporating-cooling unit B inner coil pipe indirect evaporation cooler 11 etc.
But, in entering the second direct evaporating-cooling unit afterwards, carry out constant enthalpy cooling, form the air meeting air-supply condition；Finally, symbol
The air closing air-supply condition sends into each bar in data center through ajutage 2 and machine room air outlet 3 under the effect of pressure fan 18
In cold air duct, for cooling down each server in data center.
Outdoor air, under the effect of secondary exhausting machine 28, is entered dry air energy central air conditioning by secondary wind air inlet 20
In upper air duct in group 1；Outdoor air forms the auxiliary air of cleaning after pocket type roughing efficiency air filter b21 filters；Clean two
Secondary air enters in the first direct evaporating-cooling unit, with direct evaporating-cooling filler b23 at direct evaporating-cooling filler b23
Moisture film generation hot and humid area on surface (by water distribution unit by Water spray on direct evaporating-cooling filler b23, at direct evaporation
Cooling filler b23 surface forms moisture film), form secondary cold wind；Secondary cold wind blows to air cooled condenser 26, dissipates for its cooling
Heat；The air finally absorbing condensation heat is discharged to outdoor through secondary wind exhaust outlet 29 under the effect of secondary exhausting machine 28.
(3) direct evaporating-cooling (DEC) operational mode: mainly for transition season, and the feelings that data center's caloric value is little
Under condition, lower of this operational mode need to open the second direct evaporating-cooling unit, and specific works process is as follows:
Under the dynamic action of pressure fan 18, the hot-air closed in the passage of heat 5 in data center enters through backwind tube 8
Enter in the lower air duct in dry air energy Central air-conditioning unit 1；Hot-air, after pocket type roughing efficiency air filter a10 filters, forms cleaning
Hot-air；Clean hot-air enters in the second direct evaporating-cooling unit, by the second direct evaporating-cooling unit to cleaning
Hot-air carry out constant enthalpy cooling process, form the air meeting air-supply condition；Meet the air of air-supply condition in pressure fan 18
Effect under in ajutage 2 and machine room air outlet 3 send into the cold passage of each bar in data center, be used for cooling down in data center
Each server.
Mainly there is following two work in data center of the present invention with closing the passage of heat-full return air dry air energy central air conditioner system
Make cyclic process:
(1) mechanical refrigeration cycle of operation, detailed process is as follows:
Low temperature, the gaseous refrigerant of low pressure are compressed into the gaseous refrigerant of high temperature, high pressure through scroll compressor 25, so
Laggard enter in air cooled condenser 26, become the liquid refrigerant of low temperature, high pressure through condensation heat, saved by choke valve 27 afterwards
Rheology is the liquid refrigerant of low temperature, low pressure, and finally in direct-expansion-type vaporizer 17, heat absorption vaporization becomes low temperature, low pressure
Flow back to scroll compressor 25 after gaseous refrigerant continue cycling through.
(2) coil pipe indirect evaporating-cooling cycle of operation, detailed process is as follows:
In directly-coil pipe indirect evaporating-cooling unit B, it is indirect that water circulating pump b22 sends the water in header tank into coil pipe
In vapotron 11, coil pipe indirect evaporation cooler 11 is utilized to enter in dry air energy Central air-conditioning unit 1 in lower air duct
Return air carries out etc. clammy but (pre-cooling)；Water after heat exchange is sprayed to direct evaporating-cooling filler in upper air duct by water distribution unit
The surface of b23, forms moisture film, and now clean outdoor air can occur heat wet with moisture film at direct evaporating-cooling filler b23
Exchange, the most unnecessary current return in header tank, with this reciprocation cycle.
Data center of the present invention is with closing the passage of heat-full return air dry air energy central air conditioner system, by evaporation cooling technique
Reasonably being combined with mechanical refrigeration techniques, data center all-year-around cooling demand can be effectively ensured (can be according to different meteorological conditions
Realize the reasonable adjusting of three kinds of operational modes)；Hot and cold air in data center is isolated, well avoids hot and cold air and blend
Phenomenon；The air of high temperature drying in return air mode treatment data center, extends the operation time that evaporation cooling is annual entirely, with
Time avoid and directly lead out the air filtration problem that new air cooling is brought.
Claims (10)
1. data center is with closing the passage of heat-full return air dry air energy central air conditioner system, it is characterised in that include dry air
Energy Central air-conditioning unit (1), described dry air energy Central air-conditioning unit (1) is connected with data center by backwind tube (8), described
Dry air energy Central air-conditioning unit (1) can intracardiac return air process return air in data collection so that it is becomes to meet and send
The air of wind condition；Described dry air energy Central air-conditioning unit (1) is connected with data center also by ajutage (2), meets and send
The air of wind condition can be sent in data center through ajutage (2) and machine room air outlet (3).
Data center the most according to claim 1 is with closing the passage of heat-full return air dry air energy central air conditioner system, and it is special
Levying and be, the upper strata in described data center is furred ceiling layer (6), and whole furred ceiling layer (6) forms return air channel；
Being provided with machine room exhaust outlet (7) on one sidewall of described furred ceiling layer (6), described dry air energy Central air-conditioning unit (1) is led to
Cross backwind tube (8) to be connected with this machine room exhaust outlet (7)；
Being provided with multiple server cabinet group in described data center, each described server cabinet group is by two server cabinets
(4) constitute, and two server cabinet (4) air sides are in being oppositely arranged, shape between the air side of two server cabinets (4)
Become and close the passage of heat (5), close the passage of heat (5) for every and all connect with return air channel, for the heat that server cabinet (4) is discharged
Wind is sent in return air channel through closing the passage of heat (5), and the inlet side of each server cabinet (4) forms cold air duct；
The side wall bottom of described data center is provided with machine room air outlet (3), and described dry air energy Central air-conditioning unit (1) is passed through
Ajutage (2) is connected with this machine room air outlet (3), and described machine room air outlet (3) can realize filling the air air-supply, thus will be through dry air
The air meeting air-supply condition after energy Central air-conditioning unit (1) process delivers to the cold air duct of each server cabinet (4), is used for
Server in cooling server cabinet (4).
The data center the most according to claim 1 and 2 closing passage of heat-full return air dry air energy central air conditioner system,
It is characterized in that described dry air energy Central air-conditioning unit (1) includes machine unit shell, be separated in described machine unit shell,
Two air channels of lower layout；
The structure of described upper air duct is: be respectively arranged with secondary wind air inlet (20), secondary on the two side that machine unit shell is relative
Wind exhaust outlet (29), is disposed with pocket type primarily efficient filter between described secondary wind air inlet (20) and secondary wind exhaust outlet (29)
Device b (21), the first direct evaporating-cooling unit, secondary air chamber, scroll compressor (25), air cooled condenser (26), throttling
Valve (27) and secondary exhausting machine (28)；
The structure of described lower air duct is: be respectively arranged with return air air inlet (9) and air outlet on the two side that machine unit shell is relative
(19), described return air air inlet (9) is connected with backwind tube (8), and described air outlet (19) is connected with ajutage (2)；Described return air
Pocket type roughing efficiency air filter a (10), coil pipe indirect evaporation cooler it is disposed with between air inlet (9) and air outlet (19)
(11), return air chamber, the second direct evaporating-cooling unit, direct-expansion-type vaporizer (17) and pressure fan (18)；
Described pocket type roughing efficiency air filter b (21) combines composition air filter unit (A) with pocket type roughing efficiency air filter a (10)；
Described first direct evaporating-cooling unit steams through connecting and composing directly-coil pipe indirectly with coil pipe indirect evaporation cooler (11)
Send out cooling unit (B)；
Described secondary air chamber combine with return air chamber composition new/return air mixed cell (C), and be provided with preheating in described return air chamber
Device (12), the machine unit shell sidewall that described return air chamber is corresponding is provided with return air inlet for air-conditioner (13)；
Described scroll compressor (25), air cooled condenser (26), choke valve (27) and direct-expansion-type vaporizer (17) warp
Copper pipe is sequentially connected with composition closed-loop path and forms mechanical refrigeration evaporator/condenser unit (D)；
Described secondary exhausting machine (28) and pressure fan (18) combine composition fan unit (E).
Data center the most according to claim 3 is with closing the passage of heat-full return air dry air energy central air conditioner system, and it is special
Levy and be, described first direct evaporating-cooling unit, include direct evaporating-cooling filler b (23), described direct evaporating-cooling
Filler b (23) is provided above water distribution unit；
The air side of described direct evaporating-cooling filler b (23) is provided with material filling type water fender b (24), described direct evaporating-cooling
The lower section of filler b (23) and material filling type water fender b (24) is provided with header tank, and described header tank passes through water pipe (30) and coil pipe
Indirect evaporation cooler (11) connects, and described water pipe (30) is provided with water circulating pump b (22), and described coil pipe indirect evaporation is cold
But device (11) is connected with water distribution unit also by feed pipe a (31).
Data center the most according to claim 4 is with closing the passage of heat-full return air dry air energy central air conditioner system, and it is special
Levying and be, described water distribution unit is by water distributor and multiple is uniformly arranged on water distributor and towards direct evaporating-cooling filler b
(23) nozzle sprayed is constituted；
Described water distributor is connected with feed pipe a (31).
Data center the most according to claim 3 is with closing the passage of heat-full return air dry air energy central air conditioner system, and it is special
Levy and be, described second direct evaporating-cooling unit, include direct evaporating-cooling filler a (14), described direct evaporating-cooling
Filler a (14) is provided above spray unit；
The air side of described direct evaporating-cooling filler a (14) is provided with material filling type water fender a (16), described direct evaporating-cooling
The lower section of filler a (14) and material filling type water fender a (16) is provided with catch basin, and described catch basin passes through the second feed pipe b (32)
It is connected with spray unit, described second feed pipe b (32) is provided with water circulating pump a (15).
Data center the most according to claim 6 is with closing the passage of heat-full return air dry air energy central air conditioner system, and it is special
Levy and be, described spray unit by spray feed pipe and multiple be uniformly arranged on spray feed pipe on and towards direct evaporating-cooling
The shower nozzle composition that filler a (14) sprays, described spray feed pipe and the second feed pipe b (32) connect.
The data center the most according to claim 1 and 2 closing passage of heat-full return air dry air energy central air conditioner system,
It is characterized in that, described ajutage (2) and backwind tube (8) are aluminum airduct, and described ajutage (2) and backwind tube (8) are outward
Wall is all laid with heat-insulation layer.
Data center the most according to claim 2 is with closing the passage of heat-full return air dry air energy central air conditioner system, and it is special
Levying and be, the described closing passage of heat (5) is equipped with safety glass fire resistant doorsets.
The data center the most according to claim 2 closing passage of heat-full return air dry air energy central air conditioner system, its
Being characterised by, described secondary exhausting machine (28) and pressure fan (18) are centrifugal frequency conversion fan.
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| CN201610615442.6A CN106247501A (en) | 2016-07-29 | 2016-07-29 | Data center is with closing the passage of heat full return air dry air energy central air conditioner system |
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| CN201610615442.6A CN106247501A (en) | 2016-07-29 | 2016-07-29 | Data center is with closing the passage of heat full return air dry air energy central air conditioner system |
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| CN201610615442.6A Pending CN106247501A (en) | 2016-07-29 | 2016-07-29 | Data center is with closing the passage of heat full return air dry air energy central air conditioner system |
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| CN108650853B (en) * | 2018-06-14 | 2024-01-12 | 浙江大学山东工业技术研究院 | Data center cooling system |
| CN109458685A (en) * | 2018-10-25 | 2019-03-12 | 西安工程大学 | Based on the closed data center's Evaporative Cooling Air-conditioning System of the passage of heat |
| CN109458686A (en) * | 2018-10-30 | 2019-03-12 | 西安工程大学 | Data center evaporation cooling and mechanical refrigeration compound air-conditioning system |
| CN109289423A (en) * | 2018-11-14 | 2019-02-01 | 苏州安瑞可信息科技有限公司 | A kind of data center |
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| CN111520929A (en) * | 2020-03-09 | 2020-08-11 | 华电电力科学研究院有限公司 | System and method based on gas distributed energy and data center power supply and three-level cooling |
| CN111520929B (en) * | 2020-03-09 | 2021-06-29 | 华电电力科学研究院有限公司 | Method for power supply and three-stage cooling based on gas distributed energy and data center |
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| CN111447808B (en) * | 2020-05-13 | 2022-02-15 | 上海上证数据服务有限责任公司 | Diffuse type lateral air supply system |
| CN113108386A (en) * | 2021-04-30 | 2021-07-13 | 西藏宁算科技集团有限公司 | Air conditioning unit with wet film humidification function |
| CN113873833B (en) * | 2021-09-18 | 2022-07-22 | 珠海格力电器股份有限公司 | Machine room air conditioning system and corresponding control method |
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