CN106912185A - The parallel twin-stage liquid gas binary channels natural cooling data center heat dissipation system of interior circulation - Google Patents
The parallel twin-stage liquid gas binary channels natural cooling data center heat dissipation system of interior circulation Download PDFInfo
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- CN106912185A CN106912185A CN201710184121.XA CN201710184121A CN106912185A CN 106912185 A CN106912185 A CN 106912185A CN 201710184121 A CN201710184121 A CN 201710184121A CN 106912185 A CN106912185 A CN 106912185A
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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
- H05K7/20718—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
- H05K7/20836—Thermal management, e.g. server temperature control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention relates to a kind of parallel twin-stage liquid gas binary channels natural cooling data center heat dissipation system of interior circulation, including liquid cooled module, air cooling equipment, Intermediate Heat Exchanger and natural heat dissipation device, the Intermediate Heat Exchanger side is heat absorbing side, opposite side is refrigeration side, the import of wherein heat absorbing side is respectively communicated with the outlet of liquid cooled module and air cooling equipment, the outlet of heat absorbing side is respectively communicated with the import of air cooling equipment and liquid cooled module, and refrigeration side connects to form circulation loop with natural heat dissipation device.Air cooling equipment and liquid cooled module in the present invention are radiated using natural heat dissipation device jointly, take full advantage of natural cooling source, reduce the operation of the part such as compressor and maintenance cost in mechanical refrigeration, significantly reduce energy consumption, save the energy.
Description
Technical field
This patent is related to data center's natural cooling field, and in particular to a kind of parallel twin-stage liquid gas binary channels of interior circulation
Natural cooling data center heat dissipation system.
Background technology
In conventional data center server cooling system, the high density such as server CPU thermal source is radiated using liquid cold passage,
I.e. fluid liquid has taken away server gross calorific power 70%~80% by isolating contact heat absorption with the main euthermic chip of server,
And remaining 20%~30% server heat is then taken away by air-cooled passage.Because liquid cold passage radiating efficiency is high, therefore adopt
Can meet radiating requirements with natural cooling, low-temperature receiver is prepared without compressor participation, overall energy consumption is low, and air-cooled passage still has
Compressor participates in refrigeration, so the energy consumption of compressor of air-cooled passage turns into the main energy consumption equipment of newest cooling system.
Traditional computer room freezing water air-conditioning system end wind pushing temperature is about 15 DEG C ~ 16 DEG C, in new edition GB 50174《Data
Center specification》In, server allows EAT to bring up to 32 DEG C, that is, show that the server after improving allows EAT
Also server radiating requirement can be met, while the main caloric value of server is distributed by efficient liquid cold passage, only
Remaining fraction distributing caloric value, this causes air-cooled passage removal compressor, carries out radiating using natural cooling source and be possibly realized.
The content of the invention
In order to overcome the defect of prior art, it is naturally cold that this patent provides a kind of parallel twin-stage liquid gas binary channels of interior circulation
But data center heat dissipation system, can make full use of natural cooling source to realize data center's natural cooling, energy saving.
For this patent, above-mentioned technical problem is so to solve：A kind of parallel twin-stage liquid gas of interior circulation
Binary channels natural cooling data center heat dissipation system, including liquid cooled module, air cooling equipment, Intermediate Heat Exchanger and natural heat dissipation dress
Put, the Intermediate Heat Exchanger side is heat absorbing side, opposite side is refrigeration side, and the import of wherein heat absorbing side is respectively communicated with liquid cooled module
With the outlet of air cooling equipment, the outlet of heat absorbing side is respectively communicated with the import of air cooling equipment and liquid cooled module, refrigeration side with it is naturally scattered
Thermal connects to form circulation loop.
The liquid cooled module is used to absorb the centralized heat of main heater element in server, and air cooling equipment is used to absorb
The distributing heat of other elements in server.Liquid cooled module is using liquid heat transfer medium specific heat capacity is big, heat convection fast, evaporation
The features such as latent heat is big, so can be carried out to the main heater element of server by Intermediate Heat Exchanger unified with nature heat abstractor
Natural cooling, meets radiating requirements, secondly because 70% ~ 80% heat is taken away by liquid cooled module in server, in server
Remaining distributed heat allows further to improve wind pushing temperature to 32 DEG C, and this enables that air cooling equipment unified with nature radiates and fills
Putting carries out natural cooling to other heater elements in server, furthermore Intermediate Heat Exchanger setting by liquid cooled module, air-cooled dress
Put and divide into two-stage with the heat-exchanging loop between natural heat dissipation device, the heat exchange where natural heat dissipation device is shortened indirectly is returned
Road, reduces pressure drop of the heat transferring medium in heat-exchanging loop, so as to accelerate the flow velocity of heat transferring medium, improves heat exchange efficiency.To sum up,
This patent makes full use of natural cooling source to be radiated, and reduces the operation of the part such as compressor and maintenance cost in mechanical refrigeration,
Energy consumption is significantly reduced, the energy is saved.
Further, also including the first triple valve, first triple valve includes that first interface, second interface and the 3rd connect
Mouthful；The outlet of the Intermediate Heat Exchanger refrigeration side connects the import of natural heat dissipation device, system by first interface with second interface
The outlet of the inlet communication natural heat dissipation device of cold side, forms circulation loop, the outlet of the 3rd orifice natural heat dissipation device.
The outlet of the 3rd orifice natural heat dissipation device, it is meant that from Intermediate Heat Exchanger refrigeration side outlet output
High temperature heat transferring medium can be exchanged heat without natural heat dissipation device, and come back to and exchanged heat in Intermediate Heat Exchanger, so
The 3rd interface can be suitably opened when refrigerating capacity is superfluous, refrigerating capacity is reduced, the energy consumption of natural heat dissipation device is saved, additionally it is possible to
To a certain extent protection liquid cooled module and air cooling equipment will not temperature it is too low, reliability is high, because when server temperature is too low
Element, circuit board and circuit etc. receive cold events, it is possible to cause the phenomenon such as loose contact between three to occur, at the same be also possible to because
It is subcooled and produces dew condensation phenomenon, it is to avoid the potential safety hazard such as short circuit, mould growth and material corrosion caused by condensation, further
Guarantee system safe and stable operation.
Further, also including the second triple valve, second triple valve includes that the 4th interface, the 5th interface and the 6th connect
Mouthful, the interface of outlet the 4th of Intermediate Heat Exchanger heat absorbing side, and by the import of the 5th orifice air cooling equipment, by the
The import of six orifice liquid cooled modules.
When the refrigerating capacity of air cooling equipment is superfluous or the refrigerating capacity of liquid cooled module is very few, the 5th interface and the can be suitably adjusted
Aperture ratio between six interfaces, increase flows to the heat transferring medium in liquid cooled module；When the refrigerating capacity of air cooling equipment is very few or liquid
When the refrigerating capacity of chill block is superfluous, the aperture ratio between the 5th interface and the 6th interface can be suitably adjusted, increase flows to windbell
Heat transferring medium in device, therefore, second triple valve is easy to be adjusted according to actual conditions, and flexibility is good, improves and is
System adaptability.
Further, the import or export of the Intermediate Heat Exchanger heat absorbing side is provided with first circulation pump, first circulation pump
It is provided with the first frequency converter.
When refrigerating capacity can not meet the demand of air cooling equipment or liquid cooled module, the work of the first frequency converter can be suitably raised
Frequency, makes first circulation pump accelerate operating, improves the heat exchange efficiency of heat transferring medium in loop, refrigerating capacity is improved, to a certain degree
The stability of upper lifting system.
Further, also including be located at natural heat dissipation device outlet or import second circulation pump, set on second circulation pump
There is the second frequency converter.
When refrigerating capacity can not meet the demand of air cooling equipment or liquid cooled module, the work of the second frequency converter can be suitably raised
Frequency, makes second circulation pump accelerate operating, improves the heat exchange efficiency of heat transferring medium in loop, improves refrigerating capacity, good stability；When
When refrigerating capacity has surplus, the working frequency of the second frequency converter can be suitably reduced, second circulation pump is slowed down running speed, reduced back
The heat exchange efficiency of heat transferring medium in road, so that refrigerating capacity is reduced, saving energy consumption, it is to avoid server is subcooled and shrinks or produce solidifying
Dew, causes damage.
Further, the natural heat dissipation device is provided with the 3rd frequency converter.
When refrigerating capacity can not meet the demand of air cooling equipment or liquid cooled module, the work of the 3rd frequency converter can be suitably raised
Frequency, makes natural heat dissipation device accelerate operating, improves the heat exchange efficiency of heat transferring medium and natural environment, and then increases refrigerating capacity,
Guarantee system is normally run；When refrigerating capacity has surplus, the working frequency of the 3rd frequency converter can be suitably reduced, reduce heat transferring medium
With the heat exchange efficiency of natural environment, so as to reduce refrigerating capacity, saving energy consumption, it is to avoid server is subcooled and shrinks or produce condensation,
Cause damage.
Further, also including natural heat dissipation device inlet and outlet in parallel, or Intermediate Heat Exchanger heat absorption side-entrance in parallel
With the refrigeration compensation device of outlet.
When natural heat dissipation device can not provide enough refrigerating capacity cooling or failures out of service, refrigeration compensation dress
Putting can just carry out refrigeration compensation, safeguards system proper heat reduction to natural heat dissipation device.
Further, it is in series with two-port valve on the place branch road of the refrigeration compensation device.
When compensation device of freezing is out of service, to avoid a part of heat transferring medium by the place branch of refrigeration compensation device
Road, reduces heat exchange efficiency, can close two-port valve and ensure that heat transferring medium is circulated in correct loop, it is ensured that system is normally run,
Good reliability.
Further, the import of the air cooling equipment is provided with the first temperature sensor, and the import of liquid cooled module is provided with second
Temperature sensor.
When the first temperature sensor or second temperature sensor detect temperature less than setting value, second can be suitably reduced
The frequency of frequency converter or the 3rd frequency converter, or the heat transferring medium that the 3rd interface flows through natural heat dissipation device to reduce is increased, increase
The heat exchange efficiency of heat transferring medium, improves refrigerating capacity, improves more than heat exchange medium temperature to the predetermined value of air cooling equipment import, ensures
System stable operation.
Further, the outlet of the air cooling equipment is provided with three-temperature sensor, and the outlet of liquid cooled module is provided with the 4th
Temperature sensor.
When the heat exchange medium temperature that the three-temperature sensor detects air cooling equipment outlet is higher than setting value, can fit
When the aperture ratio for improving the 5th interface and the 6th interface, increase the heat transferring medium flow of air cooling equipment；When the 4th temperature
When the heat exchange medium temperature that sensor detects liquid cooled module outlet is higher than setting value, can suitably reduce the 5th interface and be connect with the 6th
The aperture ratio of mouth, increases the heat transferring medium flow of liquid cooled module；When the three-temperature sensor and the 4th temperature are passed
When sensor is detected simultaneously by temperature higher than setting value, the first frequency converter, the second frequency converter or the 3rd frequency converter can be suitably raised
Frequency, or turn down the heat transferring medium that the increase of the 3rd interface flows through natural heat dissipation device.To sum up, this patent can be by above-mentioned detection
Control device improves the heat exchange efficiency of heat transferring medium, improves refrigerating capacity, it is ensured that system stabilization radiates.
Compared to prior art, this patent has the beneficial effect that：
1st, the liquid cooled module and air cooling equipment carry out natural cooling by natural heat dissipation device, significantly reduce energy consumption.
2nd, by testing agency：First temperature sensor, second temperature sensor, three-temperature sensor and the 4th temperature
Detection of the sensor to system mode, and governor motion：First frequency converter, the second frequency converter, the 3rd frequency converter, the first threeway
The regulation and control that valve, the second triple valve, refrigeration compensation device and two-port valve work system, it is ensured that system is meeting the same of radiating requirements
When avoid be subcooled and cause components in server shrink and produce condensation, make server stable operation in safe temperature range.
Brief description of the drawings
Fig. 1 is the system construction drawing of this patent.
Specific embodiment
The parallel twin-stage liquid gas binary channels natural cooling data center heat dissipation system of a kind of interior circulation as shown in Figure 1, bag
Liquid cooled module 10, air cooling equipment 7, Intermediate Heat Exchanger 4 and natural heat dissipation device 1 are included, the side of the Intermediate Heat Exchanger 4 is heat absorption
Side, opposite side is refrigeration side, and the import of wherein heat absorbing side is respectively communicated with the outlet of liquid cooled module 10 and air cooling equipment 7, heat absorbing side
Outlet be respectively communicated with the import of liquid cooled module 10 and air cooling equipment 7, refrigeration side connects formation and loops back with natural heat dissipation device 1
Road.
In specific implementation process, the air cooling equipment 7 is fan wall air conditioning terminal, including chilled water coil 8 and multiple blower fans
The fan wall 9 for composing in parallel, fan wall 9 makes the heat transferring medium sum in chilled water coil 8 by blowing air to chilled water coil 8
Exchanged heat according to the air at center.
The liquid cooled module 10 is used to absorb the centralized heat of main heater element in server, and air cooling equipment 7 is used for
Absorb the distributing heat of other elements in server.The utilization liquid heat transfer medium specific heat capacity of liquid cooled module 10 is big, heat convection
Hurry up, the features such as evaporation latent heat is big, so can mainly be sent out server by the unified with nature heat abstractor 1 of Intermediate Heat Exchanger 4
Thermal element carries out natural cooling, meets radiating requirements, secondly because 70% ~ 80% heat is by liquid cooled module band in server
Walk, remaining distributed heat allows further to improve wind pushing temperature to 32 DEG C in server, and this enables that air cooling equipment 7 is tied
Closing natural heat dissipation device 1 carries out natural cooling to other heater elements in server, furthermore Intermediate Heat Exchanger 4 setting by liquid
Heat-exchanging loop between chill block 10, air cooling equipment 7 and natural heat dissipation device 1 divide into two-stage, and natural heat dissipation is shortened indirectly
Heat-exchanging loop where device 1, reduces pressure drop of the heat transferring medium in heat-exchanging loop, so as to accelerate the flow velocity of heat transferring medium,
Improve heat exchange efficiency.To sum up, this patent makes full use of natural cooling source to be radiated, and reduces the part such as compressor in mechanical refrigeration
Operation and maintenance cost, significantly reduce energy consumption, save the energy.
This patent also includes the first triple valve 2, and first triple valve 2 includes first interface a, second interface b and the 3rd
Interface c；The outlet of the refrigeration of the Intermediate Heat Exchanger 4 side connects natural heat dissipation device 1 by first interface a with second interface b
Import, the outlet of the inlet communication natural heat dissipation device 1 of side of freezing forms circulation loop, the 3rd interface c connection natural heat dissipation dresses
Put 1 outlet.
The outlet of the 3rd interface c connection natural heat dissipations device 1, it is meant that from the output of the side outlet of Intermediate Heat Exchanger 4 one
High temperature heat transferring medium can be exchanged heat without natural heat dissipation device 1, and come back to and exchanged heat in Intermediate Heat Exchanger 4,
So can suitably open the 3rd interface c when refrigerating capacity is superfluous, refrigerating capacity is reduced, save the energy consumption of natural heat dissipation device 1, also
Can protect to a certain extent liquid cooled module 10 and chilled water coil 8 will not temperature it is too low, reliability is high, because working as server temperature
Element, circuit board and circuit etc. receive cold events when spending low, it is possible to cause the phenomenon such as loose contact between three to occur, while
It is possible to produce dew condensation phenomenon because of supercooling, it is to avoid the safety such as short circuit, mould growth and material corrosion is hidden caused by condensation
Suffer from, be further ensured that system safe and stable operation.
This patent also includes the second triple valve 6, and second triple valve 6 includes the 4th interface d, the 5th interface e and the 6th
Interface f, the interface d of outlet the 4th of the heat absorbing side of Intermediate Heat Exchanger 4, and entering for chilled water coil 8 is connected by the 5th interface e
Mouthful, the import of liquid cooled module 10 is connected by the 6th interface f.
When the refrigerating capacity surplus of chilled water coil 8 or the very few refrigerating capacity of liquid cooled module 10, the 5th interface e can be suitably reduced
And the 6th aperture ratio between interface f, to flow to liquid cold for most of low-temperature heat exchange medium of side outlet Intermediate Heat Exchanger 4 is absorbed heat
In module 10；When the refrigerating capacity of chilled water coil 8 is very few or the refrigerating capacity of liquid cooled module 10 is superfluous, can suitably increase by the 5th interface
Aperture ratio between e and the 6th interface f, make Intermediate Heat Exchanger 4 absorb heat side outlet most of low-temperature heat exchange medium flow to it is cold
In water coil 8, therefore, the aperture of second triple valve 6 is easy to be adjusted according to actual conditions, and flexibility is good, improves and is
System adaptability.
The outlet of the heat absorbing side of the Intermediate Heat Exchanger 4 is provided with first circulation pump 5, and first circulation pump 5 is provided with the first change
Frequency device 20.
When refrigerating capacity can not meet the demand of chilled water coil 8 or liquid cooled module 10, the first frequency converter 20 can be suitably raised
Working frequency, make first circulation pump 5 accelerate operating, improve loop in heat transferring medium heat exchange efficiency, improve refrigerating capacity, one
Determine the stability of lifting system in degree.
This patent also includes being located at the second circulation pump 3 of natural heat dissipation device outlet, and second circulation pump 3 is provided with the second change
Frequency device 24.
When refrigerating capacity can not meet the demand of chilled water coil 8 or liquid cooled module 10, the second frequency converter 24 can be suitably raised
Working frequency, make second circulation pump 3 accelerate operating, improve loop in heat transferring medium heat exchange efficiency, improve refrigerating capacity, stabilization
Property is good；When refrigerating capacity has surplus, the working frequency of the second frequency converter 24 can be suitably reduced, second circulation pump 3 is slowed down operating
Speed, reduces the heat exchange efficiency of heat transferring medium in loop, so that refrigerating capacity is reduced, saving energy consumption, it is to avoid server is subcooled and receives
Contracting produces condensation, causes damage.
The natural heat dissipation device 1 is the cooling tower or dry and cold device for being configured with blower fan, and blower fan is provided with the 3rd frequency converter
23。
When refrigerating capacity can not meet the demand of chilled water coil 8 or liquid cooled module 10, the 3rd frequency converter 23 can be suitably raised
Working frequency, natural heat dissipation device 1 is accelerated operating, improve the heat exchange efficiency of heat transferring medium and natural environment, and then increase
Refrigerating capacity, it is ensured that system is normally run；When refrigerating capacity has surplus, the working frequency of the 3rd frequency converter 23 can be suitably reduced, dropped
The heat exchange efficiency of low heat transferring medium and natural environment, so as to reduce refrigerating capacity, saving energy consumption, it is to avoid server be subcooled and shrink or
Condensation is produced, is caused damage.
Also including the inlet and outlet of natural heat dissipation device 1 in parallel, or the heat absorbing side inlet and outlet of Intermediate Heat Exchanger 4 in parallel
Refrigeration compensation device 26.
When natural heat dissipation device 1 can not provide enough refrigerating capacity cooling or failures out of service, refrigeration compensation
Device 26 can just carry out refrigeration compensation, safeguards system proper heat reduction to natural heat dissipation device 1.
Two-port valve 25 is in series with the place branch road of the refrigeration compensation device 26.
When compensation device 26 of freezing is out of service, to avoid a part of heat transferring medium by the institute of refrigeration compensation device 26
In branch road, heat exchange efficiency is reduced, two-port valve 25 can be closed and ensure that heat transferring medium is circulated in correct loop, it is ensured that system is normal
Operation, good reliability.
The import of the chilled water coil 8 is provided with the first temperature sensor 11, and the import of liquid cooled module 10 is provided with second temperature
Sensor 13.
The outlet of the chilled water coil 8 is provided with three-temperature sensor 12, and the outlet 10 of liquid cooled module is provided with the 4th temperature
Sensor 14.
A kind of work of the parallel twin-stage liquid gas binary channels natural cooling data center heat dissipation system of interior circulation of this patent is former
Reason is as follows：
The system closes the 3rd interface c in the case where starting state is given tacit consent to.
1st, when the three-temperature sensor 12 detect temperature higher than setting value when, can properly increase the 5th interface e with
The aperture ratio of the 6th interface f, increases heat transferring medium flow in chilled water coil 8；When the 4th temperature sensor 14 is detected
When temperature is too high, the aperture ratio of the 5th interface and the 6th interface is first reduced, increase the heat transferring medium flow of liquid cooled module；Work as institute
State three-temperature sensor 12 and the 4th temperature sensor 14 be detected simultaneously by temperature it is too high when, it is preferential to raise the first frequency conversion
The frequency of device 20 reduces temperature, then turns down the 3rd interface c increases and flows through the heat transferring medium of natural heat dissipation device 1, then improves
The frequency of the 3rd frequency converter 23, if temperature can't be reduced effectively, lifts the frequency of the second frequency converter 24, by above-mentioned adjustment
Order improves the heat exchange efficiency of heat transferring medium, improves refrigerating capacity, until by second temperature sensor 12, three-temperature sensor 13
Temperature with the 4th temperature sensor 14 is reduced in setting value zone of reasonableness, it is ensured that system stabilization radiates.
2nd, when first temperature sensor 11 or second temperature sensor 13 detect temperature less than setting value, first drop
The frequency of low second frequency converter 24, then the frequency of the 3rd frequency converter 23 is reduced, if temperature can't be effectively improved, expand the 3rd
The aperture of interface c, until the temperature of the first temperature sensor 11 and second temperature sensor 13 is increased into the reasonable model of setting value
In enclosing, energy saving prevents server to be subcooled, it is ensured that system stable operation.
3rd, when the temperature sensor 14 of the three-temperature sensor 12 and the 4th is detected, temperature is too high and the first frequency conversion
Device 20 has risen to highest frequency, at the same the first temperature sensor 11 or second temperature sensor 13 detect temperature it is too low when, it is excellent
The regulation action in operation principle 1 is first carried out, the cooling ability of natural heat dissipation device 1 is improved, it is ensured that system proper heat reduction.
4th, environment temperature is too high or the failure of natural heat dissipation device 1 causes refrigerating capacity not enough（Even if using operation principle 1
Regulation action cannot also provide enough refrigerating capacitys）When, start refrigeration compensation device 26, and two-port valve 25 is opened, safeguards system is just
Often operation, enough low-temperature receivers are provided to server, after the completion of the cooling ability of natural heat dissipation device 1 abundance or fault restoration,
Stop refrigeration compensation device 26 and close two-port valve 25.
Claims (10)
1. the parallel twin-stage liquid gas binary channels natural cooling data center heat dissipation system of a kind of interior circulation, it is characterised in that including
Liquid cooled module, air cooling equipment, Intermediate Heat Exchanger and natural heat dissipation device, the Intermediate Heat Exchanger side are heat absorbing side, opposite side
It is refrigeration side, the import of wherein heat absorbing side is respectively communicated with the outlet of liquid cooled module and air cooling equipment, and the outlet of heat absorbing side connects respectively
The import of ventilation device for cooling and liquid cooled module, refrigeration side connects to form circulation loop with natural heat dissipation device.
2. a kind of parallel twin-stage liquid gas binary channels natural cooling data center of interior circulation according to claim 1 radiates and is
System, it is characterised in that also including the first triple valve, first triple valve includes first interface, second interface and the 3rd interface；
The outlet of the Intermediate Heat Exchanger refrigeration side connects the import of natural heat dissipation device, side of freezing by first interface with second interface
Inlet communication natural heat dissipation device outlet, formed circulation loop, the outlet of the 3rd orifice natural heat dissipation device.
3. a kind of parallel twin-stage liquid gas binary channels natural cooling data center of interior circulation according to claim 1 radiates and is
System, it is characterised in that also including the second triple valve, second triple valve includes the 4th interface, the 5th interface and the 6th interface,
The interface of outlet the 4th of Intermediate Heat Exchanger heat absorbing side, and by the import of the 5th orifice air cooling equipment, by the 6th
The import of orifice liquid cooled module.
4. a kind of parallel twin-stage liquid gas binary channels natural cooling data center of interior circulation according to claim 1 radiates and is
System, it is characterised in that the import or export of the Intermediate Heat Exchanger heat absorbing side is provided with first circulation pump, is set on first circulation pump
There is the first frequency converter.
5. a kind of parallel twin-stage liquid gas binary channels natural cooling data center of interior circulation according to claim 1 radiates and is
System, it is characterised in that also including being located at the second circulation pump of the outlet of natural heat dissipation device or import, second circulation pump is provided with the
Two frequency converters.
6. a kind of parallel twin-stage liquid gas binary channels natural cooling data center of interior circulation according to claim 1 radiates and is
System, it is characterised in that the natural heat dissipation device is provided with the 3rd frequency converter.
7. a kind of parallel twin-stage liquid gas binary channels natural cooling data center of interior circulation according to claim 1 radiates and is
System, it is characterised in that also including natural heat dissipation device inlet and outlet in parallel, or Intermediate Heat Exchanger in parallel heat absorption side-entrance and go out
The refrigeration compensation device of mouth.
8. a kind of parallel twin-stage liquid gas binary channels natural cooling data center of interior circulation according to claim 7 radiates and is
System, it is characterised in that be in series with two-port valve on the place branch road of the refrigeration compensation device.
9. the parallel twin-stage liquid gas binary channels natural cooling data of a kind of interior circulation according to any one of claim 1 to 8
Center cooling system, it is characterised in that the import of the air cooling equipment is provided with the first temperature sensor, the import of liquid cooled module sets
There is second temperature sensor.
10. the parallel twin-stage liquid gas binary channels natural cooling data of a kind of interior circulation according to any one of claim 1 to 8
Center cooling system, it is characterised in that the outlet of the air cooling equipment is provided with three-temperature sensor, the outlet of liquid cooled module sets
There is the 4th temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184121.XA CN106912185B (en) | 2017-03-24 | 2017-03-24 | Internal circulation parallel type two-stage liquid-gas dual-channel natural cooling data center heat dissipation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184121.XA CN106912185B (en) | 2017-03-24 | 2017-03-24 | Internal circulation parallel type two-stage liquid-gas dual-channel natural cooling data center heat dissipation system |
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| CN106912185A true CN106912185A (en) | 2017-06-30 |
| CN106912185B CN106912185B (en) | 2023-05-12 |
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| CN201710184121.XA Active CN106912185B (en) | 2017-03-24 | 2017-03-24 | Internal circulation parallel type two-stage liquid-gas dual-channel natural cooling data center heat dissipation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108012513A (en) * | 2017-12-29 | 2018-05-08 | 华南理工大学 | It is a kind of without the in the ranks data center of air-conditioning and its cooling system |
| CN112367804A (en) * | 2020-10-26 | 2021-02-12 | 北京计算机技术及应用研究所 | Active control micro-channel phase change heat dissipation system |
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| CN108012513B (en) * | 2017-12-29 | 2023-10-20 | 华南理工大学 | Data center without inter-row air conditioner and heat dissipation system thereof |
| CN112367804A (en) * | 2020-10-26 | 2021-02-12 | 北京计算机技术及应用研究所 | Active control micro-channel phase change heat dissipation system |
| CN112367804B (en) * | 2020-10-26 | 2022-10-28 | 北京计算机技术及应用研究所 | Active control micro-channel phase change heat dissipation system |
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