CN110381698A - Tandem liquid gas double-channel data center refrigeration system - Google Patents
Tandem liquid gas double-channel data center refrigeration system Download PDFInfo
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- CN110381698A CN110381698A CN201910511951.8A CN201910511951A CN110381698A CN 110381698 A CN110381698 A CN 110381698A CN 201910511951 A CN201910511951 A CN 201910511951A CN 110381698 A CN110381698 A CN 110381698A
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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
- H05K7/20718—Forced ventilation of a gaseous coolant
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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
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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
- H05K7/20836—Thermal management, e.g. server temperature control
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention provides a kind of tandem liquid gas double-channel data center refrigeration systems, belong to data center's refrigeration technology field, and the secondary side circulation connection including cooling tower, the secondary side of First Heat Exchanger and the second heat exchanger forms natural heat dissipation system；Primary side, fluid reservoir, fluorine pump, air conditioning terminal, the solenoid valve of First Heat Exchanger are connected to form air cooling system with compressor cycle；First check valve in parallel with fluorine pump, and the second one-way valve in parallel with solenoid valve and compressor series pipe are additionally provided in air cooling system；The primary side of second heat exchanger is connected to form liquid cooling system with liquid cooled server cabinet circulation；Air cooling system, liquid cooling system pass through First Heat Exchanger, the second heat exchanger and natural heat dissipation system respectively and carry out heat exchange.Tandem liquid gas double-channel data provided by the invention center refrigeration system, space occupied is small, and low energy consumption.
Description
Technical field
The invention belongs to data center's refrigeration technology fields, are to be related to a kind of tandem liquid gas binary channels more specifically
Data center's refrigeration system.
Background technique
With big data, the fast development of cloud computing, data center increasingly toward enlargement, high density, high reliability and
The direction of green energy conservation is developed.A branch of the liquid gas binary channels cooling technology as liquid cooling technology supports Gao Gong because it has
Natural wind cooling, low power consumption and other advantages can be used in rate server, is widely used in the refrigeration system of data center.Liquid gas bilateral
Road technology generallys use two sets of autonomous systems -- liquid cooling system and air cooling system.The electronic components calorific value such as server CPU accounts for
The 70%-80% of entire data center's fever, heat are taken away by liquid cooling system；The heat of data center residue 20%-30%
It is taken away by the air cooling system of air conditioning terminal.
Liquid cooling system and air cooling system are independently arranged, and take up a large area, and required equipment and pipeline are more, at high cost, no
Conducive to integrated development.Again since in data center 20% heat is usually taken away by compressor mechanical refrigeration, part is consumed
Power resource.According to the requirement of T/CIE 051-2018 " liquid/gas binary channels heat dissipation data center's data center design specification ", gas
The temperature that cold passage cabinet enters the wind region is 18 DEG C -30 DEG C, and the leaving water temperature of southern summer part date cooling tower alreadys exceed
30 DEG C, in order to meet the reliability of specification and data center, requirement has been unable to satisfy using natural heat dissipation completely.
The liquid gas two passway system cooling system of data center needs to improve at present.
Summary of the invention
The purpose of the present invention is to provide a kind of tandem liquid gas double-channel data center refrigeration systems, it is intended to solve current
Data center's refrigeration system take up a large area, required equipment and pipeline are more, the high technical problem of energy consumption.
To achieve the above object, the technical solution adopted by the present invention is that: provide in a kind of tandem liquid gas double-channel data
Heart refrigeration system, comprising: cooling tower, First Heat Exchanger, fluid reservoir, fluorine pump, expansion valve, air conditioning terminal, solenoid valve, compressor,
Second heat exchanger and liquid cooled server cabinet；
The cooling tower, the First Heat Exchanger the secondary side circulation of secondary side and second heat exchanger be connected to formation
Natural heat dissipation system；
The primary side of the First Heat Exchanger, the fluid reservoir, fluorine pump, the air conditioning terminal, the solenoid valve and
The compressor cycle is connected to form air cooling system；It is unidirectional that first in parallel with fluorine pump is additionally provided in the air cooling system
Valve, and the second one-way valve in parallel with the solenoid valve and the compressor series pipe；
The primary side of second heat exchanger is connected to form liquid cooling system with liquid cooled server cabinet circulation；
The air cooling system, the liquid cooling system pass through respectively the First Heat Exchanger, second heat exchanger with it is described
Natural heat dissipation system carries out heat exchange.
Further, third check valve, institute are also in series between the compressor and the primary side of the First Heat Exchanger
It states solenoid valve, the compressor and the third check valve to connect to form compressor refrigeration pipeline, the compressor refrigeration pipeline
It is in parallel with the second one-way valve.
Further, between the outlet of the primary side of second heat exchanger and the entrance of the liquid cooled server cabinet also
It is provided with first circulation pump.
Further, the of the side outlet and entrance for being connected to second heat exchanger is provided in the liquid cooling system
One bypasses, and the water outlet for adjusting the liquid cooled server cabinet exchanges heat to first bypass inlet and/or described second
First triple valve of side entrance supply of device；
The water outlet of the liquid cooled server cabinet can flow to institute through the entrance for stating the first triple valve and first outlet
State the entrance of the second heat exchanger, additionally it is possible to entrance, second outlet through first triple valve, first bypass and described the
The water outlet of two heat exchangers converges and is back to the entrance of the liquid cooled server cabinet.
Further, it is additionally provided in the natural heat dissipation system for detecting the secondary side entrance water of the First Heat Exchanger
Temperature the first temperature-detecting device, the second temperature detection device for detecting the First Heat Exchanger secondary side exit water temperature,
For detecting the third temperature-detecting device of the second heat exchanger secondary side inlet water temperature and for detecting second heat exchange
4th temperature-detecting device of device secondary side exit water temperature.
Further, it is additionally provided in the natural heat dissipation system by the connection cooling tower outlet and the second of entrance
Road, the connection secondary side entrance of First Heat Exchanger and the third of the secondary side entrance of the second heat exchanger bypass, for adjusting
The First Heat Exchanger secondary side is discharged the second threeway to the cooling tower entrance and/or the second bypass inlet supply
Valve, and the confluence liquid being discharged is bypassed to the First Heat Exchanger primary side with described second for adjusting the cooling tower water outlet
The third triple valve of entrance and/or the third bypass inlet supply.
Further, first temperature-detecting device, the second temperature detection device, third temperature detection dress
It sets, the 4th temperature-detecting device, second triple valve and the third triple valve are connect with control device respectively；
The control device can adjust described second by the temperature of the First Heat Exchanger and second heat exchanger
The aperture of triple valve and/or the third triple valve.
Further, second circulation pump is provided between the cooling tower outlet and second bypass outlet.
Further, connection the second heat exchanger secondary side entrance and exit is additionally provided in the natural heat dissipation system
The 4th bypass, and mixing liquid for adjusting First Heat Exchanger secondary side water outlet and third bypass water outlet is to institute
State the 4th triple valve of the entrance of the second heat exchanger secondary side and/or the export supply amount of the second heat exchanger secondary side.
The beneficial effect of tandem liquid gas double-channel data provided by the invention center refrigeration system is: with the prior art
It compares, liquid cooling system and air cooling system are cascaded by tandem liquid gas double-channel data of the present invention center refrigeration system, altogether
It with cooling tower, greatly reduces equipment and pipeline is put into, reduce and purchase and production cost, space has been saved, convenient for unified pipe
Reason is controlled with adjusting, is improved refrigerating efficiency, is not only suitable for large-scale data center, while being applicable in the narrow container data of volume
Center refrigeration, has the characteristics that modular.Again since the inflow temperature of the second heat exchanger secondary side in liquid cooling system can reach
40 DEG C, liquid cooling system and air cooling system are cascaded, the higher temperature water that air cooling system swaps out by First Heat Exchanger
Into the second heat exchanger, exchanges heat and use for liquid cooling system, effectively increase the inlet and outlet temperature of liquid cooling system, and then reached section
It can purpose.
In addition, the annual heat that can about take away data center 5%-10% using compressor refrigeration, refrigeration system at this time
It is larger to consume electric energy.Fluorine pumping system whole year can make full use of the natural air cooled of cooling tower to radiate, and can about take away data center
The heat of 10%-15%.Known liquid cooling system can take away the heat of data center 80%, in conclusion utilizing liquid gas binary channels
The integrated system combined is pumped with fluorine, can taking away data center 90%-95%, (wherein liquid cooling system accounts for 80%, and fluorine pumping system accounts for
Heat 10%-15%), only data center's heat of 5%-10% uses compressor mechanical refrigeration, so that data center be made to save
It can lower consumption significant.Again due to using the tandem Ye Qi dual system data center refrigeration system provided by the invention with fluorine pump, only
It needs to open compressor when summer temp is higher, effectively reduces the use duration of compressor, when realizing annual major part
Between natural cooling further reduced power consumption to solve large-scale high thermal power densities data center heat dissipation problem.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of tandem liquid gas double-channel data provided in an embodiment of the present invention center refrigeration system；
Fig. 2 is control structure wire schematic diagram provided in an embodiment of the present invention.
In figure: 1, cooling tower；2, First Heat Exchanger；3, fluid reservoir；4, fluorine pumps；5, expansion valve；6, air conditioning terminal；7, electromagnetism
Valve；8, compressor；9, the second heat exchanger；10, control device；11, liquid cooled server cabinet；12, the first check valve；13, second
Check valve；14, third check valve；15, first circulation pumps；16, the first bypass；17, the first triple valve；18, the first temperature detection
Device；19, second temperature detection device；20, third temperature-detecting device；21, the 4th temperature-detecting device；22, second circulation
Pump；23, the second bypass；24, third bypasses；25, the second triple valve；26, third triple valve；27, the 4th bypass；28, the 4th 3
Port valve.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Also referring to Fig. 1, now to tandem liquid gas double-channel data provided in an embodiment of the present invention center refrigeration system
It is illustrated.Tandem liquid gas double-channel data center refrigeration system, including cooling tower 1, First Heat Exchanger 2, fluid reservoir
3, fluorine pump 4, expansion valve 5, air conditioning terminal 6, solenoid valve 7, compressor 8, the second heat exchanger 9 and liquid cooled server cabinet 11.It is cooling
The secondary side circulation connection of tower 1, the secondary side of First Heat Exchanger 2 and the second heat exchanger 9 forms natural heat dissipation system.First heat exchange
Primary side, fluid reservoir 3, fluorine pump 4, air conditioning terminal 6, the solenoid valve 7 of device 2 are connected to form air cooling system with the circulation of compressor 8.Air cooling
It is additionally provided in system and pumps 4 first check valves 12 in parallel with fluorine, and in parallel with solenoid valve 7 and 8 series pipe of compressor the
Two check valves 13.The primary side of second heat exchanger 9 is connected to form liquid cooling system with the circulation of liquid cooled server cabinet 11.Air cooling system
System, liquid cooling system pass through First Heat Exchanger 2, the second heat exchanger 9 respectively and carry out heat exchange with natural heat dissipation system.
When refrigeration, 80% heat is passed by liquid cooled server cabinet 11 and corresponding liquid cooling pipeline in data center server
It is handed to the primary side of the second heat exchanger 9, primary side carries out heat with secondary side and exchanges, natural heat dissipation system is transferred heat to,
It is rejected heat in atmosphere eventually by cooling tower 1.20% heat is by air conditioning terminal 6 and corresponding air cooled lamp in data center server
Road is transferred to the primary side of First Heat Exchanger 2, and primary side carries out heat with secondary side and exchanges, and transfers heat to natural heat dissipation system
System, rejects heat in atmosphere eventually by cooling tower 1.
Wherein, liquid cooling system whole year opens and freezes, and can take away 80% data center's heat.Air cooling system is not then according to
Corresponding refrigeration modes are selected with area, Various Seasonal, concrete operations are as follows:
When temperature is higher (such as summer), fluorine pump 4 is disconnected, compressor 8 is opened and solenoid valve 7,2 primary side of First Heat Exchanger goes out
The refrigerant of mouthful outflow successively passes through fluid reservoir 3, the first check valve 12, air conditioning terminal 6, solenoid valve 7, compressor 8, is back to the
In one side entrance of heat exchanger 2 one times.Wherein, the effect of fluid reservoir 3 is to provide enough liquid refrigerants to fluorine pump 4.
When temperature is colder (such as spring, autumn or winter), fluorine pump 4 is opened, disconnects compressor 8, and close solenoid valve 7.From
The refrigerant that 2 side outlets of First Heat Exchanger come out successively passes through fluid reservoir 3, fluorine pumps 4, air conditioning terminal 6, second one-way valve
13, it is back in 2 side entrances of First Heat Exchanger.
In transition season, temperature is opened when standard-sized sheet fluorine pumps 4 critical values and standard-sized sheet compressor 8 is run between critical-temperature
Fluorine pump 4 is opened, compressor 8 is opened, opens solenoid valve 7.The refrigerant come out from 2 side outlets of First Heat Exchanger is successively by storage
Flow container 3, fluorine pump 4, expansion valve 5, air conditioning terminal 6, solenoid valve 7, compressor 8, are back in 2 side entrances of First Heat Exchanger.
Tandem Ye Qi dual system data center refrigeration system provided in an embodiment of the present invention with fluorine pump, with the prior art
It compares, tandem Ye Qi dual system data center's refrigeration system provided by the invention with fluorine pump is by liquid cooling system and air cooling system
It is cascaded, sharing cooling tower 1 greatly reduces equipment and pipeline and puts into, and reduces and purchases and production cost, has saved sky
Between, it is controlled convenient for unified management and adjusting, improves refrigerating efficiency, be not only suitable for large-scale data center, while it is narrow to be applicable in volume
Small container data center refrigeration, has the characteristics that modular.Again due to 9 secondary side of the second heat exchanger in liquid cooling system
Inflow temperature can reach 40 DEG C, and liquid cooling system and air cooling system are cascaded, and air cooling system swaps out by First Heat Exchanger 2
The higher temperature water come enters the second heat exchanger 9, exchanges heat and uses for liquid cooling system, effectively increases the disengaging water temperature of liquid cooling system
Degree, and then reached energy saving purpose.
In addition, the annual heat that can about take away data center 5%-10% using compressor refrigeration, refrigeration system at this time
It is larger to consume electric energy.Fluorine pumping system whole year can make full use of the natural air cooled of cooling tower 1 to radiate, and can about take away data center
The heat of 10%-15%.Known liquid cooling system can take away the heat of data center 80%, in conclusion utilizing liquid gas binary channels
The integrated system combined is pumped with fluorine, can taking away data center 90%-95%, (wherein liquid cooling system accounts for 80%, and fluorine pumping system accounts for
Heat 10%-15%), only data center's heat of 5%-10% uses compressor mechanical refrigeration, so that data center be made to save
It can lower consumption significant.Again due to using the tandem Ye Qi dual system data center refrigeration system provided by the invention with fluorine pump, only
It needs to open compressor 8 when summer temp is higher, effectively reduces the use duration of compressor 8, realize annual most of
The natural cooling of time further reduced electric energy and disappear to solve large-scale high thermal power densities data center heat dissipation problem
Consumption.
Specifically, leaking water in pipeline between 9 secondary side of cooling tower 1 and 2 secondary side of First Heat Exchanger and the second heat exchanger；The
One heat exchanger 2 once sidles refrigerant；Second heat exchanger 9 once sidles refrigerant, deionized water, ethylene glycol etc..
A kind of specific reality as the tandem liquid gas double-channel data center refrigeration system provided by the invention with fluorine pump 4
Mode is applied, referring to Fig. 1, being also in series with third check valve 14, solenoid valve between compressor 8 and the primary side of First Heat Exchanger 2
7, compressor 8 and the series connection of third check valve 14 form compressor refrigeration pipeline, and compressor refrigeration pipeline and second one-way valve 13 are simultaneously
Connection.
Side outlet of First Heat Exchanger 2 is connected to 3 entrance of fluid reservoir, and the outlet of fluid reservoir 3 pumps 4 entrances with fluorine and is connected to,
4 outlet of fluorine pump is connected to 5 entrance of expansion valve, and the outlet of expansion valve 5 is connected to the entrance of air conditioning terminal 6.Air conditioning terminal 6 is mainly by steaming
Device, the big component of frequency conversion fan two composition are sent out, air conditioning terminal 6 can be air-conditioning or the air-conditioning of other forms between room grade air-conditioning, column.It is empty
The outlet of end 6 is adjusted to be connected to the entrance of solenoid valve 7, the outlet of solenoid valve 7 is connected to the entrance of compressor 8, and compressor 8 goes out
Mouth is connected to the entrance of third check valve 14, and the outlet of third check valve 14 is connected to a side entrance of First Heat Exchanger 2.Its
In, the bypass of the first check valve 12 pumps 4 in fluorine, and the entrance of the first check valve 12 is located between fluid reservoir 3 and fluorine pump 4, and first is unidirectional
The entrance of valve 12 is located between fluorine pump 4 and expansion valve 5.Second one-way valve 13 can be bypassed in third check valve 14, compressor 8 and electricity
The pipeline that the series connection of magnet valve 7 is formed, the entrance of second one-way valve 13 are located between expansion valve 5 and the outlet of air conditioning terminal 6, and second is unidirectional
The outlet of valve 13 is located between 2 side entrances of third check valve 14 and First Heat Exchanger.
The setting of third check valve 14 effectively prevents the refrigerant flowed out from second one-way valve 13 to flow backwards into compressor 8
Interior phenomenon occurs, and reduces the risk that compressor 8 is damaged.
A kind of specific reality as the tandem liquid gas double-channel data center refrigeration system provided by the invention with fluorine pump 4
Mode is applied, referring to Fig. 1, also setting up between the outlet of the primary side of the second heat exchanger 9 and the entrance of liquid cooled server cabinet 11
There is first circulation to pump 15.
Side outlet of the second heat exchanger 9 is connected to the entrance of first circulation water pump, the outlet of first circulation water pump with
The entrance of liquid cooled server cabinet 11 is connected to, and the outlet of liquid cooled server cabinet 11 connects with a side entrance of the second heat exchanger 9
It connects.
The setting of first circulation pump 15 ensures that liquid cooling system inner refrigerant circulation is smooth, ensure that refrigeration effect.
A kind of specific reality as the tandem liquid gas double-channel data center refrigeration system provided by the invention with fluorine pump 4
Mode is applied, referring to Fig. 1, being provided with the first bypass of the side outlet and entrance of the second heat exchanger 9 of connection in liquid cooling system
16, and water outlet for adjusting liquid cooled server cabinet 11 is to first bypass 9 side entrances of 16 entrances and/or the second heat exchanger
First triple valve 17 of supply.
The water outlet of liquid cooled server cabinet 11 can flow to second through the entrance and first outlet for stating the first triple valve 17 and change
The entrance of hot device 9, additionally it is possible to the water outlet of entrance, second outlet, the first bypass 16 and the second heat exchanger 9 through the first triple valve 17
Converge and be back to the entrance of liquid cooled server cabinet 11.
The entrance of first triple valve 17 passes through pipeline by pipeline and 11 outlet of liquid cooled server cabinet, first outlet
With 9 side entrances of the second heat exchanger, second outlet with first bypass 16 entrance be connected to, first bypass 16 outlet be connected to
The pipeline connection of second side outlet of heat exchanger 9 one times and 11 entrance of liquid cooled server cabinet.When the temperature of liquid cooled server cabinet 11
When spending not high, first outlet and second outlet can be simultaneously turned on, by a part of liquid of the outlet of liquid cooled server cabinet 11 outflow
Body flow in the second heat exchanger 9 through first outlet and carries out heat exchange, and another part passes through the first bypass 16 and the second heat exchanger 9 one
It is back to liquid cooled server cabinet 11 after the liquid joint of secondary side outlet outflow, to improve into liquid cooled server cabinet 11
The temperature of inner refrigerant.In conclusion can be real by the opening size for adjusting the first triple valve 17 bypass (i.e. second outlet)
The adjusting of refrigerating capacity in existing liquid cooling system.
A kind of specific reality as the tandem liquid gas double-channel data center refrigeration system provided by the invention with fluorine pump 4
Mode is applied, referring to Fig. 1, being additionally provided with for detecting 2 secondary side inlet water temperature of First Heat Exchanger in natural heat dissipation system
One temperature-detecting device 18, the second temperature detection device 19 for detecting 2 secondary side exit water temperature of First Heat Exchanger, for examining
It surveys the third temperature-detecting device 20 of 9 secondary side inlet water temperature of the second heat exchanger and goes out for detecting 9 secondary side of the second heat exchanger
4th temperature-detecting device 21 of saliva temperature.
First temperature-detecting device 18, second temperature detection device 19, third temperature-detecting device 20 and the inspection of the 4th temperature
The setting of device 21 is surveyed so that operator can in real time, accurately know 9 secondary side of 2 secondary side of First Heat Exchanger and the second heat exchanger
Temperature, and according to testing result adjust natural heat dissipation system in supply and return water temperature, to ensure that entire refrigeration system meets always
The refrigeration requirement of data center.
Specifically, when the secondary side temperature of the secondary side for detecting First Heat Exchanger 2 and the second heat exchanger 9 is lower, behaviour
Making personnel can need to pass through the frequency conversion fan and variable frequency pump opening size for adjusting cooling tower 1 according to the refrigeration of data center,
To improve the temperature in natural heat dissipation system for return water.
A kind of specific reality as the tandem liquid gas double-channel data center refrigeration system provided by the invention with fluorine pump 4
Mode is applied, 23 is bypassed referring to Fig. 1, being additionally provided with connection cooling tower 1 in natural heat dissipation system and exporting with the second of entrance, is connected to
The third of 2 two side entrances of First Heat Exchanger and 9 two side entrances of the second heat exchanger bypasses 24, for adjusting First Heat Exchanger 2
Secondary side is discharged the second triple valve 25 to 1 entrance of cooling tower and/or the second 23 entrance supplys of bypass, and for adjusting cooling
The water outlet of tower 1 and the confluence liquid of 23 water outlet of the second bypass enter confession to 2 side entrances of First Heat Exchanger and/or third bypass 24
The third triple valve 26 that should be measured.
When the secondary side temperature of the secondary side for detecting First Heat Exchanger 2 and the second heat exchanger 9 is lower, can not adjust cold
But the parameter of tower 1 opens the bypass valve of the second triple valve 25, so that the entrance of the second triple valve 25 is connected with second outlet,
The return water of the higher temperature of such second heat exchanger, 9 secondary side outlet outflow can pass through the second bypass 23 and 1 outlet stream of cooling tower
First Heat Exchanger 2 is again introduced into after the water supply mixing of lower temperature out.This regulative mode, it is ingenious that natural heat dissipation system is utilized
The temperature of return water in system improves the temperature of water supply, and reduces the water return amount that cooling tower 1 receives, and both improves nature and dissipates
For the temperature of return water in hot systems, and energy consumption needed for reducing natural heat dissipation cooling system, reach energy-efficient refrigeration requirement.
When the first temperature-detecting device 18 and second temperature detection device 19 detect that 2 secondary side temperature of First Heat Exchanger is inclined
It is low, while third temperature-detecting device 20 and the 4th temperature-detecting device 21 detect that 9 secondary side temperature of the second heat exchanger is higher
When, the bypass valve of third triple valve 26 can be opened and adjust, so that the entrance of third triple valve 26 and first outlet, second outlet
It is both turned on, the part of such cooling tower 1 can be directly discharged by third bypass 24 with 2 secondary side of First Heat Exchanger compared with low temperature water outlet
Enter in the second heat exchanger 9 after mixing, to effectively reduce the temperature of 9 secondary side of the second heat exchanger, it is ensured that liquid cooling system
Good refrigeration effect.
The setting of second triple valve 25 and third triple valve 26, realizes the connection between different location pipeline, so that from
When right cooling system or higher liquid cooling system temperature, without adjusting 1 parameter of cooling tower or more exchange device, directly by natural heat dissipation
It can be realized in natural heat dissipation system for the temperature difference of return water for return water or for liquid cooling system in different location pipeline in system
The cooling of 9 secondary side of the second heat exchanger of cooling, it is easy to operate, it is energy-efficient.
A kind of specific reality as the tandem liquid gas double-channel data center refrigeration system provided by the invention with fluorine pump 4
Mode is applied, referring to Fig. 2, the first temperature-detecting device 18, second temperature detection device 19, third temperature-detecting device 20,
Four temperature-detecting devices 21, the second triple valve 25 and third triple valve 26 are connect with control device 10 respectively.10 energy of control device
The aperture of the second triple valve 25 and/or third triple valve 26 is enough adjusted by the temperature of First Heat Exchanger 2 and the second heat exchanger 9.
First temperature-detecting device 18, second temperature detection device 19, third temperature-detecting device 20, the 4th temperature detection
Temperature sensor can be respectively adopted in device 21, and Electrocontrolled tee valve is respectively adopted in the second triple valve 25 and third triple valve 26.It uses
When control device 10 obtain the detection data of each temperature sensor, pass through plug-in and carry out data analysis, control the second threeway
26 aperture of valve 25 and third triple valve realizes 9 secondary side temperature of supply and return water temperature and the second heat exchanger in natural heat dissipation system
It adjusts.
The setting of control device 10 realizes the automatic control of the second triple valve 25 and third triple valve 26, without artificial behaviour
Make, substantially increases the timeliness and accuracy that the second triple valve 25 and third triple valve 26 adjust.
Specifically, PLC control system can be used in control device 10, required execution is prestored in PLC control system using preceding
Program, so that when control device 10 recognizes the first temperature-detecting device 18, second temperature detection device 19, third temperature detection
When temperature value detected by device 20 and the 4th temperature-detecting device 21 is respectively lower than corresponding temperature threshold, control second
The bypass valve of triple valve 25 is opened, so that the entrance of the second triple valve 25 is connected with second outlet, such second heat exchanger 9 two times
The return water of the higher temperature of side outlet outflow can be mixed by the second bypass 23 and the water supply of the lower temperature of the outlet of cooling tower 1 outflow
First Heat Exchanger 2 is again introduced into after conjunction.
When control device 10 recognizes temperature value detected by the first temperature-detecting device 18, second temperature detection device 19
Temperature detected by respectively lower than corresponding temperature threshold, third temperature-detecting device 20 and the 4th temperature-detecting device 21
When value is respectively higher than corresponding temperature threshold, the bypass valve of control third triple valve 26 opens certain angle, so that third
The entrance of triple valve 26 is both turned on first outlet, second outlet, and the part of such cooling tower 1 can directly pass through compared with low temperature water outlet
Third bypass 24 enters in the second heat exchanger 9 after mixing with the water outlet of 2 secondary side of First Heat Exchanger.
A kind of specific reality as the tandem liquid gas double-channel data center refrigeration system provided by the invention with fluorine pump 4
Mode is applied, referring to Fig. 1, being provided with second circulation pump 22 between 23 outlet of the outlet of cooling tower 1 and the second bypass.
The outlet of cooling tower 1 is connected to the entrance of second circulation pump 22, outlet and the First Heat Exchanger 2 of second circulation pump 22
Secondary side entrance connection, the secondary side outlet of First Heat Exchanger 2 are connected to the secondary side entrance of the second heat exchanger 9, the second heat exchange
Side outlet of device 9 is connected to the entrance of cooling tower 1.
The setting of second circulation pump 22 ensures the smoothness in natural heat dissipation system for backwater circulation, ensure that nature dissipates
The good refrigeration effect of hot systems.
A kind of specific reality as the tandem liquid gas double-channel data center refrigeration system provided by the invention with fluorine pump 4
Mode is applied, referring to Fig. 1, being additionally provided with the 4th of connection 9 secondary side entrance and exit of the second heat exchanger in natural heat dissipation system
Bypass 27, and the mixing liquid being discharged with third bypass 24 is discharged to the second heat exchanger 9 for adjusting 2 secondary side of First Heat Exchanger
4th triple valve 28 of the export supply amount of 9 secondary side of the entrance of secondary side and/or the second heat exchanger.
When certain pipeline breaks down in liquid cooling system, 28 by-passing valve of the 4th triple valve can be fully opened, so that the 4th
The entrance of triple valve 28 is connected with second outlet, simultaneously turns off 9 secondary side inlet valve of the second heat exchanger, at this time liquid cooling system from
It is removed in refrigeration system, air cooling system will undertake whole thermic loads, can meet an urgent need and delay certain time.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. tandem liquid gas double-channel data center refrigeration system, it is characterised in that: including cooling tower, First Heat Exchanger, liquid storage
Tank, fluorine pump, expansion valve, air conditioning terminal, solenoid valve, compressor, the second heat exchanger and liquid cooled server cabinet；
The cooling tower, the First Heat Exchanger the secondary side circulation of secondary side and second heat exchanger be connected to form nature
Cooling system；
The primary side of the First Heat Exchanger, the fluid reservoir, fluorine pump, the air conditioning terminal, the solenoid valve and described
Compressor cycle is connected to form air cooling system；First check valve in parallel with fluorine pump is additionally provided in the air cooling system,
And the second one-way valve in parallel with the solenoid valve and the compressor series pipe；
The primary side of second heat exchanger is connected to form liquid cooling system with liquid cooled server cabinet circulation；
The air cooling system, the liquid cooling system pass through the First Heat Exchanger, second heat exchanger and the nature respectively
Cooling system carries out heat exchange.
2. tandem liquid gas double-channel data as described in claim 1 center refrigeration system, it is characterised in that: the compressor
Third check valve, the solenoid valve, the compressor and described are also in series between the primary side of the First Heat Exchanger
Three check valves connect to form compressor refrigeration pipeline, and the compressor refrigeration pipeline is in parallel with the second one-way valve.
3. tandem liquid gas double-channel data as described in claim 1 center refrigeration system, it is characterised in that: described second changes
First circulation pump is additionally provided between the outlet of the primary side of hot device and the entrance of the liquid cooled server cabinet.
4. tandem liquid gas double-channel data as described in claim 1 center refrigeration system, it is characterised in that: the liquid cooling system
The first bypass of the side outlet and entrance that are connected to second heat exchanger is provided in system, and for adjusting the liquid cooling clothes
First threeway of the water outlet of business device cabinet to side entrance supply of first bypass inlet and/or second heat exchanger
Valve；
The water outlet of the liquid cooled server cabinet can flow to described through the entrance for stating the first triple valve and first outlet
The entrance of two heat exchangers, additionally it is possible to which entrance, second outlet, first bypass through first triple valve are changed with described second
The water outlet of hot device converges and is back to the entrance of the liquid cooled server cabinet.
5. tandem liquid gas double-channel data according to any one of claims 1-4 center refrigeration system, it is characterised in that: institute
State the first temperature detection dress being additionally provided in natural heat dissipation system for detecting the First Heat Exchanger secondary side inlet water temperature
It sets, the second temperature detection device for detecting the First Heat Exchanger secondary side exit water temperature, change for detecting described second
The third temperature-detecting device of hot device secondary side inlet water temperature and for detecting the second heat exchanger secondary side exit water temperature
4th temperature-detecting device.
6. tandem liquid gas double-channel data as claimed in claim 5 center refrigeration system, it is characterised in that: described to dissipate naturally
It is additionally provided in hot systems and the second of the outlet of the connection cooling tower and entrance bypasses, is connected to the First Heat Exchanger secondary side and enters
Mouth is discharged with the third bypass of the secondary side entrance of the second heat exchanger, for adjusting the First Heat Exchanger secondary side to described
Second triple valve of cooling tower entrance and/or the second bypass inlet supply, and for adjust cooling tower water outlet with
The confluence liquid of the second bypass water outlet is supplied to side entrance of the First Heat Exchanger and/or the third bypass inlet
The third triple valve of amount.
7. tandem liquid gas double-channel data as claimed in claim 6 center refrigeration system, it is characterised in that: first temperature
Spend detection device, the second temperature detection device, the third temperature-detecting device, the 4th temperature-detecting device, institute
It states the second triple valve and the third triple valve is connect with control device respectively；
The control device can adjust second threeway by the temperature of the First Heat Exchanger and second heat exchanger
The aperture of valve and/or the third triple valve.
8. tandem liquid gas double-channel data as claimed in claim 6 center refrigeration system, it is characterised in that: the cooling tower
Second circulation pump is provided between outlet and second bypass outlet.
9. such as the described in any item tandem liquid gas double-channel data center refrigeration systems of claim 6-8, it is characterised in that: institute
The 4th bypass that connection the second heat exchanger secondary side entrance and exit is additionally provided in natural heat dissipation system is stated, and for adjusting
The mixing liquid of First Heat Exchanger secondary side water outlet and third bypass water outlet is saved to the second heat exchanger secondary side
Entrance and/or the second heat exchanger secondary side export supply amount the 4th triple valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110364962.5A CN114698329A (en) | 2019-06-13 | 2019-06-13 | Serial-type liquid-gas double-channel data center refrigerating system |
| CN201910511951.8A CN110381698B (en) | 2019-06-13 | 2019-06-13 | Serial-type liquid-gas double-channel data center refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910511951.8A CN110381698B (en) | 2019-06-13 | 2019-06-13 | Serial-type liquid-gas double-channel data center refrigerating system |
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| CN202110364962.5A Division CN114698329A (en) | 2019-06-13 | 2019-06-13 | Serial-type liquid-gas double-channel data center refrigerating system |
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| CN110381698B CN110381698B (en) | 2021-05-07 |
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| CN202110364962.5A Pending CN114698329A (en) | 2019-06-13 | 2019-06-13 | Serial-type liquid-gas double-channel data center refrigerating system |
| CN201910511951.8A Active CN110381698B (en) | 2019-06-13 | 2019-06-13 | Serial-type liquid-gas double-channel data center refrigerating system |
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| CN111988973A (en) * | 2020-10-09 | 2020-11-24 | 北京百度网讯科技有限公司 | Air-cooled heat dissipation equipment and cooling system |
| CN112083743A (en) * | 2020-09-07 | 2020-12-15 | 赛得利(江苏)纤维有限公司 | A etiolation temperature regulating system for viscose fiber production |
| CN112153878A (en) * | 2020-10-22 | 2020-12-29 | 苏州浪潮智能科技有限公司 | Pipeline device for switching liquid cooling pipes in series-parallel connection, heat dissipation system and switching method |
| CN113316365A (en) * | 2021-05-27 | 2021-08-27 | 山东英信计算机技术有限公司 | Wind-liquid composite refrigeration system of data center |
| CN115175514A (en) * | 2021-04-07 | 2022-10-11 | 维谛技术有限公司 | Cooling system and control method of cooling system |
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| CN115175514A (en) * | 2021-04-07 | 2022-10-11 | 维谛技术有限公司 | Cooling system and control method of cooling system |
| CN113316365A (en) * | 2021-05-27 | 2021-08-27 | 山东英信计算机技术有限公司 | Wind-liquid composite refrigeration system of data center |
| CN113316365B (en) * | 2021-05-27 | 2022-05-31 | 山东英信计算机技术有限公司 | Wind-liquid composite refrigeration system of data center |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114698329A (en) | 2022-07-01 |
| CN110381698B (en) | 2021-05-07 |
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Address after: 361000 108, zone a, Huaxun building, software park, torch hi tech Zone, Xiamen City, Fujian Province Patentee after: XIAMEN HUARUISHENG INTELLIGENT TECHNOLOGY Co.,Ltd. Patentee after: Kehua Data Co.,Ltd. Address before: 361000 108, zone a, Huaxun building, software park, torch hi tech Zone, Xiamen City, Fujian Province Patentee before: XIAMEN HUARUISHENG INTELLIGENT TECHNOLOGY Co.,Ltd. Patentee before: XIAMEN KEHUAHENGSHENG LIMITED BY SHARE Ltd. |
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