CN108834366A - A kind of data machine room air-conditioning system - Google Patents
A kind of data machine room air-conditioning system Download PDFInfo
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- CN108834366A CN108834366A CN201810589711.5A CN201810589711A CN108834366A CN 108834366 A CN108834366 A CN 108834366A CN 201810589711 A CN201810589711 A CN 201810589711A CN 108834366 A CN108834366 A CN 108834366A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 80
- 238000001816 cooling Methods 0.000 claims abstract description 138
- 239000004065 semiconductor Substances 0.000 claims abstract description 137
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 230000008676 import Effects 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 239000008400 supply water Substances 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 9
- 238000005057 refrigeration Methods 0.000 description 20
- 238000005265 energy consumption Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- H05K7/20763—Liquid cooling without phase change
- H05K7/2079—Liquid cooling without phase change within rooms for removing heat from cabinets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
-
- 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
- F24F5/0035—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
-
- 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
- F24F5/0042—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 characterised by the application of thermo-electric units or the Peltier effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Abstract
The present invention provides a kind of data machine room air-conditioning systems, including cold source of air conditioning system, server cabinet, air treatment system；Cold source of air conditioning system, server cabinet, air treatment system are sequentially connected；Cooling tower, feeding spraying pump, cold source controller are equipped in the cold source of air conditioning system, cooling tower is equipped with unit fixed on water pump suction, exit of pump, water return outlet and feed water inlet；One end of the feeding spraying pump is connect with unit fixed on water pump suction, and the other end is connect with exit of pump；The cold source controller is electrically connected with cooling tower, feeding spraying pump respectively；Geomantic omen heat exchanger, semiconductor water cooling heat exchanger and air handling controller are equipped in the air treatment system, one end of air treatment system is equipped with air duct import I, air duct import II, and the other end is equipped with ducting outlet.Present invention installation is simple and fast, cost is relatively low, control system is simple, high reliablity, applied widely.
Description
Technical field
The present invention relates to a kind of data machine room air-conditioning systems, belong to air-conditioning system technical field.
Background technique
For a long time, since data center computer room environmental requirement is higher, for the environment for ensureing equipment normal operation in data center computer room
Several air conditioner in machine room refrigeration equipments is generally arranged in condition in computer room, and into data center computer room, equipment provides cooling condition.
Data machine room air-conditioning system generally uses full air-treatment mode, even if in outdoor weather condition preferable winter, spring and autumn transition
Season also needs to open air conditioner in machine room refrigeration equipment offer cold source.
In recent years energy-saving and emission-reduction policy is advocated, the utilization of data center's air-conditioning system natural cooling is also gradually being promoted.And mesh
The supply of preceding natural cooling source mainly adds plate heat exchanger mode by open type tower, but this mode needs two-stage heat exchange, band
The result come is exactly that using the time to account for annual air-conditioner operation time ratio short for natural cooling；In addition, the purchase cost of refrigeration host computer,
Implementation cost, later period O&M cost and operating cost are all relatively high, especially in some small-sized data machine room air-conditioning systems
Carrying out refrigeration using refrigeration host computer seems uneconomical.
In general, medium-and-large-sized data center being created, initial operation stage can exist is in underrun for a period of time, this
When for ensure refrigeration host computer can smoothly be switched on, often through increase fictitious load mode ensure certain system load rate, cause
Consumption of data center waste is serious.
In the prior art, to semiconductor heat exchange equipment carry out computer room cooling provide plurality of devices, such as application No. is
A kind of solar semiconductor water cooling air conditioning system to be exchanged heat using soil, Shen disclosed in 200810116151 Chinese patent
Please number for 201110137555 Chinese patent disclosed in novel semiconductor water cooled air conditioner, application No. is in 201510522365
The intelligence communication base station thermoelectric cooling integration heat-exchange device of state's patent disclosure and application No. is 201520544878 China
A kind of water-cooled air conditioner of patent disclosure, but the semiconductor heat exchange equipment in above-mentioned patent is to realize to radiate by recirculated water,
In actual use, since the heat flow density of thermoelectric unit is big, recirculated water heating is very fast, drops longevity of service with behind efficiency
It is low, and semiconductor is afraid of tide.
A kind of for another example air-conditioning system with air-cleaning function disclosed in the Chinese patent application No. is 201410480651
A kind of air-conditioning system with air-cleaning function disclosed in system and the Chinese patent application No. is 201420540302, the system
Exchanged heat using cold and hot fuel tank to semiconductor chip, since the heat flow density of thermoelectric unit is big, temperature and ambient temperature too
In the case where height, some potential safety problems can be caused to fuel tank.
A kind of for another example multiple computer-room air conditioning system disclosed in the Chinese patent application No. is 2013104100644, passes through
Heat-exchanger rig is by steam compressed unit and the cooling of loop heat pipe unit intercouples and application No. is the China of 201410046876X
Vapor compression refrigeration and the cooling independent fortune of loop heat pipe may be implemented in a kind of multi-joint heat pipe machine room air-conditioning system of patent disclosure
Row is run simultaneously, realizes the independent control of computer room temperature and humidity, but systematic comparison is complicated, at high cost, and has cooling capacity defeated
Lower limit out cannot be completely secured natural cooling and semiconductor cooling while carry out；
A kind of for another example combined type refrigerant multi-gang air conditioner disclosed in the Chinese patent application No. is 2014105494915,
The two or more outdoor combined type refrigerant module composition combined air conditioners of outside setting, indoor is by directly evaporating cold wind
Machine module composition conveys cooling capacity under refrigerated medium pump effect, but the system be it is compound by hot-pipe system and refrigeration system overlapping and
At higher cost；A kind of for another example liquid pump to supply refrigerant multi-connected air conditioner disclosed in the Chinese patent application No. is 2006100113359
The low-temp low-pressure refrigerant that refrigeration system is produced is stored in low-pressure liquid storing tank by a low-pressure liquid storing tank and made by group, the system
Each end evaporator, refrigerated medium pump higher cost are delivered under cryogen pumping action；For another example application No. is in 2009102354298
A kind of liquid pump to supply refrigerant VRF Air Conditioning System with natural cooling function of state's patent disclosure realizes unit by different valve start and stop
Refrigeration mode and natural cooling mode are carried out, there is still a need for refrigerated medium pump drivings to recycle for system.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of data machine room air-conditioning system, the data center computer room air-conditioning system
System effective use semiconductor refrigerating and natural cooling source combine, and eliminate compressor refrigeration, control system, cost
System, while cold source of air conditioning energy consumption is also reduced on the whole, obtain higher reliability and efficiency of energy utilization.
The present invention is achieved by the following technical programs.
A kind of data machine room air-conditioning system provided by the invention, including cold source of air conditioning system, server cabinet, air-treatment
System；Cold source of air conditioning system, server cabinet, air treatment system are sequentially connected；Cooling is equipped in the cold source of air conditioning system
Tower, feeding spraying pump, cold source controller, cooling tower are equipped with unit fixed on water pump suction, exit of pump, water return outlet and feed water inlet；The spray
One end of water pump is connect with unit fixed on water pump suction, and the other end is connect with exit of pump；The cold source controller respectively with cooling tower, spray
Water pump is electrically connected；Geomantic omen heat exchanger, semiconductor water cooling heat exchanger and air-treatment control are equipped in the air treatment system
Device, one end of air treatment system are equipped with air duct import I, air duct import II, and the other end is equipped with ducting outlet；The geomantic omen heat exchange
Device is connected with semiconductor water cooling heat exchanger, semiconductor chilling plate is connected in the other side of semiconductor water cooling heat exchanger, at air
It manages controller and semiconductor chilling plate is electrically connected；The passage of heat is equipped in the server cabinet, the passage of heat and air duct import I connect
It is logical；The water return outlet is connect with geomantic omen heat exchanger, semiconductor water cooling heat exchanger respectively by return pipe, and feed water inlet passes through water supplying pipe
It is connect respectively with geomantic omen heat exchanger, semiconductor water cooling heat exchanger；
There are two types of the cooling work modes of the system：
Mode one is natural cooling：Natural cooling is formed by cold source of air conditioning system, server cabinet, air treatment system
Group, cold source of air conditioning system, server cabinet, air treatment system work at the same time, and carry out natural cooling, in natural cooling group not
Including semiconductor water cooling heat exchanger, semiconductor chilling plate and the semiconductor that is arranged in air treatment system to cooler；
Mode two is that natural cooling adds semiconductor refrigerating：By cold source of air conditioning system, server cabinet, air treatment system group
At the cooling group of semiconductor, cold source of air conditioning system, server cabinet, air treatment system are worked at the same time, and change plus conductor water cooling
Hot device, semiconductor chilling plate and the semiconductor that is arranged in air treatment system carry out semiconductor refrigerating and naturally cold to cooler
But；
The semiconductor water cooling heat exchanger in the semiconductor chilling plate hot end and the semiconductor conduction cooling of semiconductor chilling plate cold end
The temperature difference≤10 degree Celsius of device；
The cold source controller passes through the Numerical Control cooling tower wind frequency of supply water temperature sensor；The cold source control
The cycle frequency of difference control loop water pump between device passes through between supply water temperature sensor and return water temperature sensor；It is described cold
But the spray frequency of the tower wind frequency control feeding spraying pump of tower.
The geomantic omen heat exchanger, semiconductor water cooling heat exchanger, semiconductor chilling plate are set gradually, semiconductor chilling plate hot end
With semiconductor water cooling heat exchanger by heat conductive silica gel closely close to cold end is provided with for increasing wind and semiconductor chilling plate cold end
The semiconductor cool-guiding device of cooling surface area, semiconductor cool-guiding device by heat conductive silica gel and semiconductor chilling plate closely close to so that
Semiconductor water cooling heat exchanger, semiconductor chilling plate, semiconductor cool-guiding device form one；
The geomantic omen heat exchanger, semiconductor water cooling heat exchanger, semiconductor chilling plate, semiconductor cool-guiding device are located at air duct import
II, gap is equipped on semiconductor cool-guiding device.
Semiconductor water cooling heat exchanger both ends are respectively equipped with entery and delivery port, the both ends of geomantic omen heat exchanger be respectively equipped with into,
Outlet pipe；Entery and delivery port is connect with inlet tube and outlet tube by three-way connector, and the entery and delivery port passes through again with inlet tube and outlet tube
Three-way connector is commonly connected to water supplying pipe, on return pipe.
Centrifugal blower is additionally provided in the air treatment system, the one of semiconductor water cooling heat exchanger is arranged in centrifugal blower
Side, air handling controller and centrifugal blower are electrically connected.
The positive and negative anodes of the air handling controller power supply are connect with the positive and negative anodes of semiconductor chilling plate respectively, air-treatment
Controller controls the start and stop and size of current of semiconductor chilling plate according to the temperature of wind pushing temperature sensor.
The server cabinet front end is opened wide, and is communicated with computer room, and rear end is equipped with the enclosed passage of heat, the side of the passage of heat
Equipped with server seat in the plane, it is equipped with baffle in server seat in the plane rear end, allows the passage of heat and server seat in the plane to form same journey and sends air duct back to.
The air treatment system is located at immediately below server cabinet, the air duct import I of the passage of heat and air treatment system
Connection is provided with ventilation electrostatic floor in front of server cabinet, is used as air supply plenum chamber below ventilation electrostatic floor, quiet under floor
Press case adjacent with ducting outlet.
The air handling controller is connect by return air temperature sensor with channel entrance II, and air handling controller is logical
Wind pushing temperature sensor is crossed to connect with ducting outlet；
The water supplying pipe is equipped with water circulating pump, and cold source controller and water circulating pump are electrically connected.
The cold source controller is connect by supply water temperature sensor with water supplying pipe, and the setting of supply water temperature sensor is recycling
The front of water pump, supply water temperature sensor are adjacent with cooling tower.
The cold source controller passes through return water temperature sensor, flowmeter and return pipe respectively and connects, return water temperature sensing
The front of flowmeter is arranged in device, and return water temperature sensor is adjacent with cooling tower.
The beneficial effects of the present invention are：
1. system is simple, install that simple and fast, cost is relatively low, control system is simple, high reliablity, applied widely；
2. cabinet grade air-conditioning, is suitable for wider range of load factor section, system provides corresponding according to the different load factor of single cabinet
Refrigerating capacity avoid energy consumption from wasting without the limitation of cooling capacity bottoming；
3. combining using semiconductor refrigerating with natural cooling, natural cooling is more made full use of, reduces cold source of air conditioning
Energy consumption.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
In figure：1- cold source of air conditioning system, 11- cooling tower, 12- feeding spraying pump, 13- water circulating pump, 14- supply water temperature sensing
Device, 15- return water temperature sensor, 16- flowmeter, 17- cold source controller, 18- water supplying pipe, 19- return pipe, 2- server machine
Cabinet, 21- server seat in the plane, the 22- passage of heat, 3- air treatment system, the geomantic omen 31- heat exchanger, 32- semiconductor water cooling heat exchanger,
33- semiconductor chilling plate, 34- centrifugal blower, 35- return air temperature sensor, 36- wind pushing temperature sensor, 37- air-treatment control
Device processed, 38- semiconductor cool-guiding device, 4- divulge information electrostatic floor, plenum chamber under the floor 5-.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
As shown in Figure 1, a kind of data machine room air-conditioning system, including cold source of air conditioning system 1 (integrated form cold source of air conditioning system),
Server cabinet 2, air treatment system 3 (the distributed airhandling equipment of dual surface cooler structure)；Cold source of air conditioning system 1, clothes
Business device cabinet 2, air treatment system 3 are sequentially connected；Be equipped in the cold source of air conditioning system 1 cooling tower 11 (closed cooling tower),
Feeding spraying pump 12, cold source controller 17, cooling tower 11 are equipped with unit fixed on water pump suction, exit of pump, water return outlet and feed water inlet；The spray
One end of sprinkling pump 12 is connect with unit fixed on water pump suction, and the other end is connect with exit of pump；The cold source controller 17 respectively with cooling
Tower 11, feeding spraying pump 12 are electrically connected；Geomantic omen heat exchanger 31, semiconductor water cooling heat exchanger are equipped in the air treatment system 3
32 and air handling controller 37, one end of air treatment system 3 is equipped with air duct import I, air duct import II, and the other end is equipped with wind
Road outlet；The geomantic omen heat exchanger 31 is connected with semiconductor water cooling heat exchanger 32, in the other side of semiconductor water cooling heat exchanger 32
It is connected with semiconductor chilling plate 33, air handling controller 37 and semiconductor chilling plate 33 are electrically connected；The server cabinet 2
In be equipped with the passage of heat 22, the passage of heat 22 is connected to air duct import I；The water return outlet by return pipe 19 respectively with geomantic omen heat exchanger
31, semiconductor water cooling heat exchanger 32 connects, and feed water inlet is exchanged heat with geomantic omen heat exchanger 31, semiconductor water cooling respectively by water supplying pipe 18
Device 32 connects；
There are two types of the cooling work modes of the system：
Mode one is natural cooling：By cold source of air conditioning system 1, server cabinet 2, that air treatment system 3 forms nature is cold
But group, cold source of air conditioning system 1, server cabinet 2, air treatment system 3 work at the same time, and natural cooling are carried out, in natural cooling
It does not include that semiconductor water cooling heat exchanger 32, semiconductor chilling plate 33 and the semiconductor being arranged in air treatment system 3 arrive in group
Cooler 38；
Mode two is that natural cooling adds semiconductor refrigerating：By cold source of air conditioning system 1, server cabinet 2, air treatment system
The 3 cooling groups of composition semiconductor, cold source of air conditioning system 1, server cabinet 2, air treatment system 3 work at the same time, and add conductor
Water cooling heat exchanger 32, semiconductor chilling plate 33 and the semiconductor being arranged in air treatment system 3 carry out semiconductor to cooler 38
Refrigeration and natural cooling；
In the mode one, the numerical value of supply water temperature sensor 14, which can be improved with respect to conventional numeric to 22 DEG C, to supply water, and
Cold source of air conditioning system 1 radiates using closed cooling tower closed cycle water indirect evaporation, and the ambient wet bulb of this mode can be used
Temperature only needs to meet 18 DEG C or less；And conventionally, as supply water temperature need to guarantee 15 DEG C hereinafter, and in this mode
The mode of the open cooling tower and plate heat exchanger that use, it is possible to using this mode ambient wet bulb temperature need to 8 DEG C with
Under, the raising of supply water temperature is reduced to 1 use condition of cold source of air conditioning system.And make the present invention in such mode working time
Substantially extended, to significantly reduce the comprehensive energy consumption of cold source of air conditioning system；
The switching of mode one Yu the mode two does not need to do the switching of any valve, it is only necessary to control air-treatment system
Switching can be completed by the electric current of semiconductor chilling plate 33 in system 3, entire handoff procedure is simple, fast, reliably；Compared to existing
Natural cooling switching, not only need to complete the start and stop of distinct device, but also need to complete under mode one and mode two
The switching of different valves, system is bigger, and caliber is bigger, switches that the required time is longer, and reliability is also lower；
The semiconductor water cooling heat exchanger 32 in 33 hot end of semiconductor chilling plate is partly led with 33 cold end of semiconductor chilling plate
The temperature difference≤10 degree Celsius of body cool-guiding device 38；So that 33 refrigeration performance of semiconductor chilling plate is improved to greatest extent.
The cold source controller 17 passes through the 11 tower wind frequency of Numerical Control cooling tower of supply water temperature sensor 14；It is described cold
Difference control loop water pump 13 between source controller 17 passes through between supply water temperature sensor 14 and return water temperature sensor 15
Cycle frequency；The spray frequency of the tower wind frequency control feeding spraying pump 12 of the cooling tower 11；So that supply water temperature sensor 14
Accurately controlled.
The geomantic omen heat exchanger 31, semiconductor water cooling heat exchanger 32, semiconductor chilling plate 33 are set gradually, semiconductor refrigerating
33 hot end of piece and semiconductor water cooling heat exchanger 32 pass through heat conductive silica gel closely close to cold end is provided with for increasing wind and semiconductor
The semiconductor cool-guiding device 38 of 33 cold end cooling surface area of cooling piece, semiconductor cool-guiding device 38 pass through heat conductive silica gel and semiconductor refrigerating
Piece 33 is closely close to so that semiconductor water cooling heat exchanger 32, semiconductor chilling plate 33, semiconductor cool-guiding device 38 form one；
The geomantic omen heat exchanger 31, semiconductor water cooling heat exchanger 32, semiconductor chilling plate 33, semiconductor cool-guiding device 38 are located at
Air duct import II, is equipped with gap on semiconductor cool-guiding device 38, and wind passes through from gap.
32 both ends of semiconductor water cooling heat exchanger are respectively equipped with entery and delivery port, and the both ends of geomantic omen heat exchanger 31 are set respectively
There is inlet tube and outlet tube；Entery and delivery port is connect with inlet tube and outlet tube by three-way connector, and the entery and delivery port and inlet tube and outlet tube are again
Water supplying pipe 18 is commonly connected to, on return pipe 19 by three-way connector.
Centrifugal blower 34 is additionally provided in the air treatment system 3, centrifugal blower 34 is arranged in semiconductor water cooling heat exchanger
32 side, air handling controller 37 and centrifugal blower 34 are electrically connected, and distribution and revolving speed control are carried out to it.
The positive and negative anodes of 37 power supply of air handling controller are connect with the positive and negative anodes of semiconductor chilling plate 33 respectively, air
Processing controller 37 controls the start and stop and size of current of semiconductor chilling plate 33 according to the temperature of wind pushing temperature sensor 36.
2 front end of server cabinet is opened wide, and is communicated with computer room, and rear end is equipped with the enclosed passage of heat 22, the passage of heat 22
Side be equipped with server seat in the plane 21, be equipped with baffle in 21 rear end of server seat in the plane, allow 21 shape of the passage of heat 22 and server seat in the plane
Cheng Tongcheng sends air duct back to.
The air treatment system 3 is located at immediately below server cabinet 2, the air duct of the passage of heat 22 and air treatment system 3
Import I is connected to, and ventilation electrostatic floor 4 is provided in front of server cabinet 2, is used as air supply plenum chamber below electrostatic floor 4 of divulging information
5, plenum chamber 5 is adjacent with ducting outlet under floor.
The air handling controller 37 is connect by return air temperature sensor 35 with channel entrance II, air-treatment control
Device 37 is connect by wind pushing temperature sensor 36 with ducting outlet.
The water supplying pipe 18 is equipped with water circulating pump 13, and cold source controller 17 and water circulating pump 13 are electrically connected.
The cold source controller 17 is connect by supply water temperature sensor 14 with water supplying pipe 18, and supply water temperature sensor 14 is set
It sets in the front of water circulating pump 13, supply water temperature sensor 14 is adjacent with cooling tower 11.
The cold source controller 17 is connect by return water temperature sensor 15, flowmeter 16 with return pipe 19 respectively, return water
The front of flowmeter 16 is arranged in temperature sensor 15, and return water temperature sensor 15 is adjacent with cooling tower 11.
Further, the annual operation of cold source of air conditioning system 1, predominantly 3 apoplexy water- to-water heat exchanger 31 of air treatment system and half
Conductor water cooling heat exchanger 32 provides cooling water, and the heat in server cabinet 2 is taken in atmospheric environment.
Further, intelligent controller and frequency converter etc. are equipped in cold source controller 17, for in cold source of air conditioning system 1
Various device parameters, distribution is adjusted and controls, and related operating parameter is uploaded to environmental control system.
Further, server cabinet 2 waits fetchs formula server cabinet using a kind of of Patent No. 205040109U, should
Cabinet is using passage of heat closing, the design of air blow and return reversed return type, and cold wind enters server seat in the plane 21 from cabinet front end, through server machine
Behind position 21, hot wind is back to bottom air processing system 3 from the closing passage of heat 22 and carries out heat exchange refrigeration.
Further, in outdoor weather condition preferable winter, spring and autumn transition season, supply water temperature is lower, and heat can be complete
Portion is taken away by geomantic omen heat exchanger 31 by cooling water, and in the summer that meteorological condition is poor, partial heat can be by geomantic omen heat exchanger 31
It is taken away by cooling water, remaining part can be compensated by semiconductor chilling plate 33, compensate the number of cooling capacity by air handling controller
37 controls realize that for two kinds of cold sources in switching, no valve needs open and close by the electric current of semiconductor chilling plate 33；Wherein
Air handling controller 37 only exists according to wind pushing temperature sensor 36 is detected to determine whether needing to put into semiconductor refrigerating
Natural cooling is not able to satisfy in the case that supply air temperature requires and just puts into semiconductor refrigerating, reaches the natural cooling of whole system
Utilize time substantially extended purpose.
Further, this system has the advantages that following：
1. whole year uses natural cooling：Whole system design eliminates compressor refrigeration instead cold source of air conditioning
The air treatment system 3 of system 1 and special designing can satisfy 27 degrees Celsius in guarantee end air treatment system leaving air temp
In situation below, the supply water temperature of cold source of air conditioning system 1 can be improved to 22 degrees Celsius, to improve completely cold using nature
But the time of heat dissipation is completed；In outdoor weather condition preferable winter, spring and autumn transition season, only by cold source of air conditioning system 1 and sky
The heat dissipation of end computer room can be completed in geomantic omen heat exchanger in gas processing system 3, and 100% utilizes natural cooling, reduces air-conditioning cold
Source energy consumption；In the summer that outdoor weather condition is poor, only relying on cold source of air conditioning system 1 not can guarantee 22 degrees Celsius of water supply below
Temperature, at this point, part utilizes natural cooling, a part is by the geomantic omen heat exchanger in cold source of air conditioning system 1 and air treatment system 3
The heat dissipation of end computer room is completed, rest part is freezed by the semiconductor chilling plate 33 in air treatment system 3.Due to partly leading
The heat that the refrigeration of body cooling piece 33 generates also is completed to radiate by cold source of air conditioning system 1 and semiconductor water cooling heat exchanger 32, as a result, entirely
Year heat dissipation is completed by cold source of air conditioning system 1.
2. installing simple and fast：Electric refrigeration module is integrated in each air treatment system 3, only needs to pacify during installation
Air treatment system 3 is filled, the equipment such as host, water pump, the cooling tower in original mode in refrigerating plant room and pipeline, use are reduced
In the installation of the valve of switching and maintenance；Cold source of air conditioning system 1 is by closed cooling tower 11, feeding spraying pump 12, water circulating pump 13, cold source
Controller 17 is integrated into modular product, in the debugging and test that manufacturer completes product, only needs to lift in use site
And complete that all project installations can be completed with the adapter tube of computer room end air treatment system 3, whole system installation is simple and fast,
Substantially shorten the engineering construction period.
3. at low cost：Cost includes system equipment purchase cost, implements installation cost, maintenance cost, in life cycle
Energy Consumption Cost.In terms of purchase cost, originally need to purchase refrigeration host computer, chilled water pump, cooling water in central air conditioner system
Pump, blower fan of cooling tower, related valve member, low-voltage distribution cabinet, group control system and related transducer device eliminate system in the present invention
Cold host, chilled water pump, most valve member, group control system and related transducer device, especially host account for former buying at
This 80 or more percent；In terms of implementing installation cost, described another benefit of 2 bring of advantage is just reduction of equipment
Installation auxiliary material, artificial, time cost；In terms of maintenance cost, another benefit of the reduction bring of capital equipment is exactly to need
The equipment of maintenance is accordingly reduced, the available effective control of maintenance cost；In terms of Energy Consumption Cost, the advantage 1 is retouched
The whole year stated utilizes natural cooling, reduces the energy consumption of cold source system, and in the entire air conditioner refrigerating period, highest can 8 percent
Ten or more time uses natural cooling completely, and 20 percent time natural cooling and semi-conductor electricity is freezed air conditioning,
Whole system efficiency is substantially improved.
4. control system is simplified：It has been integrated in cold source of air conditioning system 1 by cold source controller 17 and supply water temperature biography
The control system that sensor 14, return water temperature sensor 15, flowmeter 16 are constituted can be completed to cool down automatically according to outdoor weather condition
Tower blower and the Energy Saving Control mutually to cut out the pump need so that entire cold source system control is simplified without any automatic valve
Switch or switching；In addition, the air handling controller 37 in air treatment system 3 can be according to the wind pushing temperature sensor of detection
Whether 36 automatically select semiconductor chilling plate 33 needed to freeze, and adjusts and controlled by the electric current of semiconductor chilling plate 33
Refrigerating capacity is exported, electric current minimum is adjustable to 0 ampere, at this point, radiating completely using natural cooling.
5. high reliablity：The present invention reduces device type, number of devices from design, and the system that reduces designs complicated journey
Degree is to reduce system failure probability；From control by control system integration into different types of equipment, by control point
It dissipates, reduces since single control system failure causes whole system to risk of bursting.It is naturally cold in conventional central air conditioner system
But with other cold sources in switching, the start and stop of the open and close or different type equipment that need to control multiple valves are realized, are controlled
Complexity it is more complicated than method provided in the present invention, execute the time it is longer than method provided in the present invention, influence face than this
The method provided in invention is big, and complexity, switching time, influence face it is directly proportional to the scale of data center, so can
It is lower than method provided in the present invention by property.
6. cabinet grade air-conditioning is suitable for wider range of load factor section：In general, medium-and-large-sized data center is being created, thrown
Fortune initial stage can have a period of time in underrun, at this time to ensure that refrigeration host computer can smoothly be switched on, often through increasing
Add fictitious load mode to ensure certain system load rate, causes consumption of data center waste serious.Method provided by the invention can
It is freely freely adjusted from 0 between design refrigerating capacity according to the load factor of Single Cabinet, reduces extra cooling capacity waste.
7. applicable computer room size range is wider (more than five cabinets method provided by the invention can be used), and different
The data center computer room of scale can efficient operation：In data center's conventional air conditioning system, taking cost into account, in small-scale data
The heart should not use centralized central air-conditioning, such as the data center computer room that overall design IT load is 200 kilowatts, using central air-conditioning side
Formula is uneconomical, and installation site is also restricted.So most cases are and the air-cooled direct-expansion types using air-cooled direct-expansion type precision air conditioner
The disadvantage of precision air conditioner maximum is exactly that efficiency is high not as good as water-cooled, and cannot use natural cooling according to Meteorological Elements in China.It adopts
With method provided by the invention, designs IT and is supported on tens kilowatts or more cooling tower, the water pumps that can purchase corresponding heat dissipation capacity,
And semiconductor refrigerating module has been integrated in separate unit air treatment system 3, air handling controller 37 is according to corresponding cabinet
Load automatically adjusts supply, is not influenced by cabinet quantity and load factor, and can be as medium-and-large-sized data center piece
Natural cooling is used according to outdoor weather condition.
In conclusion the present invention is in percent 30 load factor below, efficiency is higher than conventional center air-conditioning system,
It is become apparent from when compared with especially using electricity refrigeration with conventional air conditioning system, and makes full use of natural cooling, eliminate compression mechanism
It is cold, reduce cold source of air conditioning energy consumption.
Claims (10)
1. a kind of data machine room air-conditioning system, it is characterised in that：Including cold source of air conditioning system (1), server cabinet (2), air
Processing system (3), cold source of air conditioning system (1), server cabinet (2), air treatment system (3) are sequentially connected；The air-conditioning cold
Be equipped with cooling tower (11), feeding spraying pump (12), cold source controller (17) in source system (1), cooling tower (11) be equipped with water pump into
Mouth, exit of pump, water return outlet and feed water inlet；One end of the feeding spraying pump (12) is connect with unit fixed on water pump suction, the other end and water pump
Outlet connection；The cold source controller (17) is electrically connected with cooling tower (11), feeding spraying pump (12) respectively；The air-treatment
Geomantic omen heat exchanger (31), semiconductor water cooling heat exchanger (32) and air handling controller (37), air-treatment are equipped in system (3)
One end of system (3) is equipped with air duct import I, air duct import II, and the other end is equipped with ducting outlet；The geomantic omen heat exchanger (31) with
Semiconductor water cooling heat exchanger (32) series connection, is connected with semiconductor chilling plate in the other side of semiconductor water cooling heat exchanger (32)
(33), air handling controller (37) and semiconductor chilling plate (33) are electrically connected；It is logical that heat is equipped in the server cabinet (2)
Road (22), the passage of heat (22) are connected to air duct import I；The water return outlet by return pipe (19) respectively with geomantic omen heat exchanger
(31), semiconductor water cooling heat exchanger (32) connect, feed water inlet by water supplying pipe (18) respectively with geomantic omen heat exchanger (31), semiconductor
Water cooling heat exchanger (32) connection；
There are two types of the cooling work modes of the system：
Mode one is natural cooling：Nature is formed by cold source of air conditioning system (1), server cabinet (2), air treatment system (3)
Cooling group, cold source of air conditioning system (1), server cabinet (2), air treatment system (3) work at the same time, and carry out natural cooling,
It does not include semiconductor water cooling heat exchanger (32), semiconductor chilling plate (33) and setting in natural cooling group in air treatment system
(3) semiconductor in is to cooler (38)；
Mode two is that natural cooling adds semiconductor refrigerating：By cold source of air conditioning system (1), server cabinet (2), air treatment system
(3) the cooling group of composition semiconductor, cold source of air conditioning system (1), server cabinet (2), air treatment system (3) work at the same time, and
In addition conductor water cooling heat exchanger (32), semiconductor chilling plate (33) and semiconductor in air treatment system (3) is arranged to cold
Device (38) carries out semiconductor refrigerating and natural cooling；
The semiconductor water cooling heat exchanger (32) in semiconductor chilling plate (33) hot end and the half of semiconductor chilling plate (33) cold end
The temperature difference≤10 degree Celsius of conductor cool-guiding device (38)；
The cold source controller (17) passes through Numerical Control cooling tower (11) the tower wind frequency of supply water temperature sensor (14)；It is described
Difference control loop between cold source controller (17) passes through between supply water temperature sensor (14) and return water temperature sensor (15)
The cycle frequency of water pump (13)；The spray frequency of tower wind frequency control feeding spraying pump (12) of the cooling tower (11).
2. data machine room air-conditioning system as described in claim 1, it is characterised in that：The geomantic omen heat exchanger (31), semiconductor
Water cooling heat exchanger (32), semiconductor chilling plate (33) are set gradually, and semiconductor chilling plate (33) hot end and semiconductor water cooling exchange heat
Device (32) is by heat conductive silica gel closely close to cold end is provided with for increasing wind and semiconductor chilling plate (33) cold end heat-delivery surface
Long-pending semiconductor cool-guiding device (38), semiconductor cool-guiding device (38) by heat conductive silica gel and semiconductor chilling plate (33) closely close to,
So that semiconductor water cooling heat exchanger (32), semiconductor chilling plate (33), semiconductor cool-guiding device (38) form one；
The geomantic omen heat exchanger (31), semiconductor water cooling heat exchanger (32), semiconductor chilling plate (33), semiconductor cool-guiding device (38)
Positioned at air duct import II, gap is equipped on semiconductor cool-guiding device (38).
3. data machine room air-conditioning system as described in claim 1, it is characterised in that：The semiconductor water cooling heat exchanger (32) two
End is respectively equipped with entery and delivery port, and the both ends of geomantic omen heat exchanger (31) are respectively equipped with inlet tube and outlet tube；Entery and delivery port and water-in and water-out
Pipe is connected by three-way connector, and the entery and delivery port and inlet tube and outlet tube pass through three-way connector again and be commonly connected to water supplying pipe
(18), on return pipe (19).
4. data machine room air-conditioning system as described in claim 1, it is characterised in that：It is also set in the air treatment system (3)
Have centrifugal blower (34), centrifugal blower (34) is arranged in the side of semiconductor water cooling heat exchanger (32), air handling controller
(37) it is electrically connected with centrifugal blower (34).
5. data machine room air-conditioning system as described in claim 1, it is characterised in that：Air handling controller (37) power supply
Positive and negative anodes connect respectively with the positive and negative anodes of semiconductor chilling plate (33), air handling controller (37) is sensed according to supply air temperature
The start and stop and size of current of temperature control semiconductor chilling plate (33) of device (36).
6. data machine room air-conditioning system as described in claim 1, it is characterised in that：Server cabinet (2) front end is opened wide,
It is communicated with computer room, rear end is equipped with the enclosed passage of heat (22), and the side of the passage of heat (22) is equipped with server seat in the plane (21), is taking
Device seat in the plane (21) rear end be engaged in equipped with baffle, allows the passage of heat (22) and server seat in the plane (21) to be formed and sends air duct back to journey.
7. data machine room air-conditioning system as described in claim 1, it is characterised in that：The air treatment system (3) is located at clothes
It is engaged in immediately below device cabinet (2), the passage of heat (22) is connected to the air duct import I of air treatment system (3), before server cabinet (2)
Side is provided with ventilation electrostatic floor (4), is used as air supply plenum chamber (5) below ventilation electrostatic floor (4), plenum chamber (5) under floor
It is adjacent with ducting outlet.
8. data machine room air-conditioning system as described in claim 1, it is characterised in that：The air handling controller (37) passes through
Return air temperature sensor (35) is connect with channel entrance II, air handling controller (37) by wind pushing temperature sensor (36) with
Ducting outlet connection；
The water supplying pipe (18) is equipped with water circulating pump (13), and cold source controller (17) and water circulating pump (13) are electrically connected.
9. data machine room air-conditioning system as described in claim 1, it is characterised in that：The cold source controller (17) passes through respectively
Return water temperature sensor (15), flowmeter (16) are connect with return pipe (19), and return water temperature sensor (15) is arranged in flowmeter
(16) front, return water temperature sensor (15) are adjacent with cooling tower (11).
10. data machine room air-conditioning system as described in claim 1, it is characterised in that：The cold source controller (17) passes through confession
Water temperature sensor (14) is connect with water supplying pipe (18), and supply water temperature sensor (14) is arranged in the front of water circulating pump (13),
Supply water temperature sensor (14) is adjacent with cooling tower (11).
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| CN112996363A (en) * | 2021-03-02 | 2021-06-18 | 贵州绿云科技有限公司 | Full-time natural cooling data center air conditioning system |
| CN113154565A (en) * | 2021-04-28 | 2021-07-23 | 山西中云智谷数据科技有限责任公司 | Indirect evaporative cooling method, apparatus and system |
| CN113175714A (en) * | 2021-04-30 | 2021-07-27 | 西藏宁算科技集团有限公司 | Evaporative cooling unit, control method and related device |
| CN113739267A (en) * | 2021-09-10 | 2021-12-03 | 贵州绿云科技有限公司 | Full-time natural cooling integrated cabinet-level air conditioner |
| CN114071976A (en) * | 2021-11-30 | 2022-02-18 | 中国科学院广州能源研究所 | Double-cold-source data center cooling system and method |
| WO2023124976A1 (en) * | 2021-12-30 | 2023-07-06 | 北京字节跳动网络技术有限公司 | Data center cooling system and data center |
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