CN106979569A - Interior circulation stand alone type twin-stage liquid gas binary channels natural cooling data center heat dissipation system - Google Patents
Interior circulation stand alone type twin-stage liquid gas binary channels natural cooling data center heat dissipation system Download PDFInfo
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- CN106979569A CN106979569A CN201710184065.XA CN201710184065A CN106979569A CN 106979569 A CN106979569 A CN 106979569A CN 201710184065 A CN201710184065 A CN 201710184065A CN 106979569 A CN106979569 A CN 106979569A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F5/0046—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 using natural energy, e.g. solar energy, energy from the ground
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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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- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention relates to a kind of free-standing twin-stage liquid gas binary channels natural cooling data center heat dissipation system of interior circulation, including liquid cooled module, air cooling equipment, the first Intermediate Heat Exchanger, the second Intermediate Heat Exchanger and natural heat dissipation device, the first Intermediate Heat Exchanger side is the first heat absorbing side, opposite side is the first refrigeration side, second Intermediate Heat Exchanger side is the second heat absorbing side, opposite side is the second refrigeration side, first heat absorbing side connects to form circulation loop with liquid cooled module, and the second heat absorbing side connects to form circulation loop with air cooling equipment；The outlet of the inlet communication natural heat dissipation device of the import of the outlet natural heat dissipation device of the first refrigeration side and the second refrigeration side, the first refrigeration side and the second refrigeration side, and then form circulation loop.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, are reduced the operation of the part such as compressor and maintenance cost in mechanical refrigeration, are significantly reduced 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 free-standing 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 contacting heat absorption with the isolation of server main euthermic chip,
And remaining 20%~30% server heat is then taken away by air-cooled passage.Because liquid cold passage radiating efficiency is high, therefore adopt
Radiating requirements can be met with natural cooling, low-temperature receiver are 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, shows 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 to remove compressor, and carrying out radiating using natural cooling source is 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 free-standing 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, save the energy.
For this patent, above-mentioned technical problem is so solved：A kind of free-standing twin-stage liquid gas of interior circulation
Binary channels natural cooling data center heat dissipation system, including liquid cooled module, air cooling equipment, the first Intermediate Heat Exchanger, in the middle of second
Heat exchanger and natural heat dissipation device, the first Intermediate Heat Exchanger side are the first heat absorbing side, and opposite side is the first refrigeration side, the
Two Intermediate Heat Exchanger sides are the second heat absorbing side, and opposite side is the second refrigeration side, and the first heat absorbing side connects to be formed with liquid cooled module
Circulation loop, the second heat absorbing side connects to form circulation loop with air cooling equipment；The first refrigeration side and the second refrigeration side go out
The outlet of the inlet communication natural heat dissipation device of the import of mouth connection natural heat dissipation device, the first refrigeration side and the second refrigeration side,
And then form circulation loop.
The liquid cooled module is used for the centralized heat for absorbing 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 is fast, evaporation
The features such as latent heat is big, thus can unified with nature heat abstractor to the main heater element of server carry out natural cooling, meet
Radiating requirements, secondly because 70% ~ 80% heat is taken away by liquid cooled module in server, the distributed heat of remaining in server
Amount allows further to improve wind pushing temperature to 32 DEG C, and this enables air cooling equipment unified with nature heat abstractor in server
Other heater elements carry out natural cooling, furthermore the first Intermediate Heat Exchanger and the second Intermediate Heat Exchanger setting by liquid cooled module,
Heat-exchanging loop between air cooling equipment and natural heat dissipation device divide into two-stage, and changing where natural heat dissipation device is shortened indirectly
Hot loop, pressure drop of the reduction 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 and maintenance of the part such as compressor in mechanical refrigeration
Cost, significantly reduces energy consumption, saves the energy.
Further, in addition to the first triple valve, first triple valve includes first interface, second interface and the 3rd and connect
Mouthful；The outlet of the first refrigeration side and the second refrigeration side connects natural heat dissipation device with second interface by first interface
The outlet of the inlet communication natural heat dissipation device of import, the first refrigeration side and the second refrigeration side, and then form circulation loop, the 3rd
The outlet of orifice natural heat dissipation device.
The outlet of the 3rd orifice natural heat dissipation device, it is meant that go out from the first refrigeration side and the second refrigeration side
The high temperature heat transferring medium of mouthful output can be exchanged heat without natural heat dissipation device, and come back in Intermediate Heat Exchanger and changed
Heat, so can suitably open the 3rd interface when refrigerating capacity is superfluous, reduces refrigerating capacity, saves the energy consumption of natural heat dissipation device,
Can also protect to a certain extent liquid cooled module and air cooling equipment will not temperature it is too low, reliability is high, because working as liquid cooled module
With air cooling equipment temperature is too low cause server temperature too low when, element, circuit board and circuit in server etc. by cold events,
It is likely to result in the phenomenon such as loose contact between three to occur, while being also possible to produce dew condensation phenomenon because of supercooling, it is to avoid condensation
The potential safety hazards such as caused short circuit, mould growth and material corrosion, are further ensured that system safe and stable operation.
Further, in addition to the second triple valve, second triple valve includes the 4th interface, the 5th interface and the 6th and connect
Mouthful, the interface of outlet the 4th of natural heat dissipation device, and by the import of the 5th orifice first refrigeration side, pass through the 6th
The import of the refrigeration of orifice second side.
When the refrigerating capacity of air cooling equipment is superfluous or the refrigerating capacity of liquid cooled module is very few, it can suitably increase the 5th interface and the
Aperture ratio between six interfaces, increases the heat transferring medium flowed in the first refrigeration side, increases the refrigerating capacity of the first refrigeration side, from
And the first heat absorbing side is absorbed more heats from liquid cooled module；When the refrigerating capacity of air cooling equipment is very few or liquid cooled module
Refrigerating capacity it is superfluous when, can suitably reduce the aperture ratio between the 5th interface and the 6th interface, increase flows to the second refrigeration side
In heat transferring medium, increase by second freeze side refrigerating capacity so that the second heat absorbing side can absorb more from air cooling equipment
Heat, therefore, second triple valve is easy to be adjusted according to actual conditions, and flexibility is good, improves system suitability.
Further, the import or export of first heat absorbing side is provided with first circulation pump, and first circulation pump is provided with
First frequency converter.
When refrigerating capacity can not meet the demand of liquid cooled module, the working frequency of the first frequency converter can be suitably raised, makes
One circulating pump accelerates operating, improves the heat exchange efficiency of heat transferring medium in loop, improves refrigerating capacity, and stability is good；When refrigerating capacity has
During surplus, the working frequency of the second frequency converter can be suitably reduced, second circulation pump is slowed down running speed, reduction exchanges heat in loop
The heat exchange efficiency of medium, so as to reduce refrigerating capacity, saves energy consumption, it is to avoid server shrinks because of supercooling or produces condensation and damage
Evil.
Further, the import or export of second heat absorbing side is provided with second circulation pump, and second circulation pump is provided with
Second frequency converter.
When refrigerating capacity can not meet the demand of air cooling equipment, the working frequency of the second frequency converter can be suitably raised, makes
Two circulating pumps accelerate operating, improve the heat exchange efficiency of heat transferring medium in loop, improve refrigerating capacity, and stability is good；When refrigerating capacity has
During surplus, the working frequency of the second frequency converter can be suitably reduced, second circulation pump is slowed down running speed, reduction exchanges heat in loop
The heat exchange efficiency of medium, so as to reduce refrigerating capacity, saves energy consumption, it is to avoid server shrinks because of supercooling or produces condensation and damage
Evil.
Further, in addition to the 3rd circulating pump of the outlet of natural heat dissipation device or import is located at, set on the 3rd circulating pump
There is 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 the 3rd circulating pump accelerate operating, improves the heat exchange efficiency of heat transferring medium in loop, improves refrigerating capacity, and stability is good；When
When refrigerating capacity has surplus, the working frequency of the 3rd frequency converter can be suitably reduced, the 3rd circulating pump is slowed down running speed, reduces back
The heat exchange efficiency of heat transferring medium in road, so as to reduce refrigerating capacity, saves energy consumption, it is to avoid server shrinks because of supercooling or produced solidifying
Reveal and damage.
Further, the natural heat dissipation device is provided with the 4th frequency converter.
When refrigerating capacity can not meet the demand of air cooling equipment or liquid cooled module, the work of the 4th 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 increasing refrigerating capacity,
Guarantee system is normally run；When refrigerating capacity has surplus, the working frequency of the 4th frequency converter can be suitably reduced, heat transferring medium is reduced
With the heat exchange efficiency of natural environment, so as to reduce refrigerating capacity, energy consumption is saved, it is to avoid server is subcooled and shrinks or produce condensation,
Cause damage.
Further, the refrigeration compensation device of natural heat dissipation device inlet and outlet in parallel is included.
When natural heat dissipation device can not provide enough refrigerating capacity cooling or break down out of service, refrigeration compensation dress
Put just can carry out refrigeration compensation, safeguards system proper heat reduction to natural heat dissipation device.
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 one of them of first temperature sensor and second temperature sensor detect temperature less than setting value, separately
One detect temperature higher than setting value when, can suitably adjust the aperture ratio between the 5th interface and the 6th interface, will exchange heat
Medium is more assigned in the heat-exchanging loop of temperature drift, increases refrigerating capacity, and safeguards system is stable to radiate；When the described first temperature
When degree sensor and second temperature sensor are detected simultaneously by temperature less than setting value, the 3rd frequency converter or the 4th can be suitably reduced
The running frequency of frequency converter, slows down the flow rate of heat transferring medium, and then reduces heat exchange efficiency, or expands the 3rd interface, subtracts
The heat transferring medium of natural heat dissipation device is flowed through less, until the temperature of the first temperature sensor and second temperature sensor is increased to
In setting value zone of reasonableness, energy consumption is saved, it is to avoid server shrinks because of supercooling or produces condensation and damage.
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.
The temperature detected when the three-temperature sensor is higher than setting value, and the 4th temperature sensor detects temperature
When in setting range, the running frequency of the second frequency converter can be properly increased, accelerates the flow rate of heat transferring medium, refrigeration is improved
Amount；The temperature detected when the three-temperature sensor is in setting range, and to detect temperature high for the 4th temperature sensor
When setting value, the running frequency of the first frequency converter can be properly increased, accelerates the flow rate of heat transferring medium, refrigerating capacity is improved；
The temperature detected when the three-temperature sensor is higher than setting value, and the 4th temperature sensor detects temperature less than setting
Value, or the temperature that detects of three-temperature sensor are less than setting value, and the 4th temperature sensor detects temperature higher than setting
During definite value, the aperture ratio between the 5th interface and the 6th interface can be suitably adjusted, heat transferring medium is more assigned to temperature
In higher heat-exchanging loop, increase refrigerating capacity, safeguards system is stable to radiate；When the three-temperature sensor and the 4th temperature
When degree sensor is detected simultaneously by temperature higher than setting value, the first frequency converter, the second frequency converter, the 3rd frequency converter can be suitably raised
Or the 4th frequency converter frequency, or turn down the increase of the 3rd interface and flow through the heat transferring medium of natural heat dissipation device, until by the 3rd
The temperature of temperature sensor and the 4th temperature sensor is reduced in setting value zone of reasonableness.To sum up, this patent can be by above-mentioned
Detect that control device improves the heat exchange efficiency of heat transferring medium, improve refrigerating capacity, it is ensured that system is stable to radiate.
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, testing agency is passed through：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 4th frequency conversion
The regulation and control that device, the first triple valve, the second triple valve and refrigeration compensation device work system, it is ensured that system is meeting radiating requirements
While avoid being subcooled and causing components in server to shrink and produce condensation, make server stable fortune in safe temperature range
OK.
Brief description of the drawings
Fig. 1 is the system construction drawing of this patent.
Embodiment
A kind of free-standing twin-stage liquid gas binary channels natural cooling data center heat dissipation system of interior circulation as shown in Figure 1, bag
Liquid cooled module 10, air cooling equipment 7, the first Intermediate Heat Exchanger 4a, the second Intermediate Heat Exchanger 4b and natural heat dissipation device 1 are included, it is described
First Intermediate Heat Exchanger 4a sides are the first heat absorbing side, and opposite side is the first refrigeration side, and the second Intermediate Heat Exchanger 4b sides are the
Two heat absorbing sides, opposite side is the second refrigeration side, and the first heat absorbing side connects to form circulation loop with liquid cooled module 10, the second heat absorbing side
Connect to form circulation loop with air cooling equipment 7；The first refrigeration side and the outlet natural heat dissipation device 1 of the second refrigeration side
Import, first refrigeration side and second refrigeration side inlet communication natural heat dissipation device 1 outlet, and then formed circulation loop.
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 composed 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 for the centralized heat for absorbing 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, thus can unified with nature heat abstractor 1 to carry out nature to the main heater element of server cold
But, radiating requirements are met, secondly because 70% ~ 80% heat is taken away by liquid cooled module in server, remaining in server
Distributed heat allows further to improve wind pushing temperature to 32 DEG C, and this enables 1 pair of 7 unified with nature heat abstractor of air cooling equipment
Other heater elements in server carry out natural cooling, furthermore the first Intermediate Heat Exchanger 4a and the second Intermediate Heat Exchanger 4b is set
Put and the heat-exchanging loop between liquid cooled module 10, air cooling equipment 7 and natural heat dissipation device 1 be divide into two-stage, shorten indirectly certainly
Heat-exchanging loop where right heat abstractor 1, pressure drop of the reduction heat transferring medium in heat-exchanging loop, so as to accelerate heat transferring medium
Flow velocity, improves heat exchange efficiency.To sum up, this patent makes full use of natural cooling source to be radiated, and reduces compressor in mechanical refrigeration
Operation and maintenance cost Deng part, 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 first refrigeration side and the second refrigeration side connects natural heat dissipation by first interface a with second interface b
The outlet of the inlet communication natural heat dissipation device 1 of the import of device 1, the first refrigeration side and the second refrigeration side, and then form circulation
Loop, the outlet of the 3rd interface c connection natural heat dissipations device 1.
The outlet of 3rd interface c connection natural heat dissipation device 1, it is meant that from the first refrigeration side and the second refrigeration side
The high temperature heat transferring medium of outlet output can be exchanged heat without natural heat dissipation device 1, and come back in Intermediate Heat Exchanger 4
Row heat exchange, so can suitably open the 3rd interface c when refrigerating capacity is superfluous, reduces refrigerating capacity, saves natural heat dissipation device 1
Energy consumption, additionally it is possible to 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
The liquid cooled module 10 and temperature of chilled water coil 8 is too low when causing server temperature too low, element, circuit board and circuit in server
Deng by cold events, it is possible to cause the phenomenon such as loose contact between three to occur, show while being also possible to produce condensation because of supercooling
As, it is to avoid the potential safety hazard such as short circuit, mould growth and material corrosion caused by condensation, it is further ensured that system safety and stability
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 natural heat dissipation device 1, and by the import of the first refrigeration of the 5th interface e connections side, lead to
Cross the import of the second refrigeration of the 6th interface f connections side.
When the refrigerating capacity surplus of chilled water coil 8 or the very few refrigerating capacity of liquid cooled module 10, it can suitably increase by the 5th interface e
And the 6th aperture ratio between interface f, increase the heat transferring medium flowed in the first refrigeration side, increase by first is freezed the refrigeration of side
Amount, so that the first heat absorbing side can absorb more heats from liquid cooled module 10；When the refrigerating capacity of chilled water coil 8 is very few or
When the refrigerating capacity of liquid cooled module 10 is superfluous, the aperture ratio between the 5th interface e and the 6th interface f, increase stream can be suitably reduced
To the heat transferring medium in the second refrigeration side, the refrigerating capacity of the refrigeration of increase by second side, so that the second heat absorbing side can be from cold water tray
More heats are absorbed in pipe 8, therefore, second triple valve 6 is easy to be adjusted according to actual conditions, and flexibility is good, improved
System suitability.
The outlet of first heat absorbing side is provided with first circulation pump 5a, and first circulation pump 5a is provided with the first frequency converter
20。
When refrigerating capacity can not meet the demand of liquid cooled module 10, the working frequency of the first frequency converter 20 can be suitably raised,
First circulation pump 5a is accelerated operating, improve the heat exchange efficiency of heat transferring medium in loop, improve refrigerating capacity, stability is good；Work as system
When cold has surplus, the working frequency of the second frequency converter 20 can be suitably reduced, second circulation pump 5 is slowed down running speed, reduced
The heat exchange efficiency of heat transferring medium in loop, so as to reduce refrigerating capacity, saves energy consumption, it is to avoid server shrinks or produced because of supercooling
Condensation and damage.
The outlet of second heat absorbing side is provided with second circulation pump 5b, and second circulation pump 5b is provided with the second frequency converter
27。
When refrigerating capacity can not meet the demand of chilled water coil 8, the working frequency of the second frequency converter 27 can be suitably raised, is made
Second circulation pump 5b accelerates operating, improves the heat exchange efficiency of heat transferring medium in loop, improves refrigerating capacity, and stability is good；Work as refrigeration
When amount has surplus, the working frequency of the second frequency converter 27 can be suitably reduced, second circulation pump 5b is slowed down running speed, reduces back
The heat exchange efficiency of heat transferring medium in road, so as to reduce refrigerating capacity, saves energy consumption, it is to avoid server shrinks because of supercooling or produced solidifying
Reveal and damage.
This patent also includes the 3rd circulating pump 3 for being located at the outlet of natural heat dissipation device 1, and the 3rd circulating pump 3 is provided with the 3rd
Frequency converter 24.
When refrigerating capacity can not meet the demand of chilled water coil 8 or liquid cooled module 10, the 3rd frequency converter 24 can be suitably raised
Working frequency, the 3rd circulating pump 3 is accelerated operating, improve the heat exchange efficiency of heat transferring medium in loop, improve refrigerating capacity, it is stable
Property is good；When refrigerating capacity has surplus, the working frequency of the 3rd frequency converter 24 can be suitably reduced, the 3rd circulating pump 3 is slowed down operating
The heat exchange efficiency of heat transferring medium, so as to reduce refrigerating capacity, saves energy consumption, it is to avoid server is because of supercooling in speed, reduction loop
Shrink or produce condensation and 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 4th frequency converter
23。
When refrigerating capacity can not meet the demand of chilled water coil 8 or liquid cooled module 10, the 4th 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 4th frequency converter 23 can be suitably reduced, is dropped
The heat exchange efficiency of low heat transferring medium and natural environment, so as to reduce refrigerating capacity, saves energy consumption, it is to avoid server be subcooled and shrink or
Condensation is produced, is caused damage.
This patent also includes the refrigeration compensation device 26 of the inlet and outlet of natural heat dissipation device 1 in parallel.
When natural heat dissipation device 1 can not provide enough refrigerating capacity cooling or break down out of service, refrigeration compensation
Device 26 just can 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 institute of a part of heat transferring medium by 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 free-standing 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 under acquiescence starting state, and according to liquid cooled module 10 and the Design cooling load of chilled water coil 8
Aperture ratio between proportioning distribution the 5th interface e and the 6th interface f.
1st, the temperature detected when the three-temperature sensor 12 is higher than setting value, and the 4th temperature sensor 14 is detected
To temperature in setting range when, can properly increase the running frequency of the second frequency converter 27, accelerate the flow rate of heat transferring medium,
Improve refrigerating capacity；The temperature detected when the three-temperature sensor 12 is in setting range, and the 4th temperature sensor 14
When detecting temperature higher than setting value, the running frequency of the first frequency converter 20 can be properly increased, accelerates the flowing speed of heat transferring medium
Rate, improves refrigerating capacity；When the three-temperature sensor detects that 12 temperature that arrive are higher than setting value, and the 4th temperature sensor 14
Detect temperature and be less than setting value less than setting value, or the temperature that three-temperature sensor 12 is detected, and the 4th temperature is passed
When sensor 14 detects temperature higher than setting value, the aperture ratio between the 5th interface e and the 6th interface f can be suitably adjusted, will
Heat transferring medium is more assigned in the heat-exchanging loop of temperature drift, increases refrigerating capacity, and safeguards system is stable to radiate；When described
It is preferential to improve the first change when three-temperature sensor 12 and the 4th temperature sensor 14 are detected simultaneously by temperature higher than setting value
The operation frequency of the frequency converter 27 of frequency device 20 and second, if temperature can not be reduced effectively, turns down the 3rd interface c increases and flows through nature
The heat transferring medium of heat abstractor 1, then improves the running frequency of the 4th frequency converter 23 and the 3rd frequency converter 24, directly successively in order
Extremely the temperature of the temperature sensor 14 of three-temperature sensor 12 and the 4th is reduced in setting value zone of reasonableness, it is ensured that system is steady
Fixed radiating.
2nd, when one of them of first temperature sensor 11 and second temperature sensor 13 detect temperature less than setting
Definite value, when another detects temperature higher than setting value, can suitably adjust the opening ratio between the 5th interface e and the 6th interface f
Example, heat transferring medium is more assigned in the heat-exchanging loop of temperature drift, increases refrigerating capacity, and safeguards system is stable to radiate；When
When first temperature sensor 11 and second temperature sensor 13 are detected simultaneously by temperature less than setting value, preferential reduction the 3rd
The running frequency of frequency converter 24, then reduces the running frequency of the 4th frequency converter 23, slows down the flow rate of heat transferring medium, and then
Heat exchange efficiency is reduced, if temperature can or can not be effectively improved, expands the 3rd interface c, reduction flows through changing for natural heat dissipation device 1
Thermal medium, until the temperature of the first temperature sensor 11 and second temperature sensor 13 is increased in setting value zone of reasonableness,
Save energy consumption, it is to avoid server shrinks because of supercooling or produces condensation and damage.
3rd, when the three-temperature sensor 12 and the 4th temperature sensor 14 detect temperature higher than setting value and the
One frequency converter 20 and the second frequency converter 27 have risen to highest frequency, while the first temperature sensor 11 or second temperature sensor 13
When detecting temperature less than setting value, the preferential regulation action performed in operation principle 1 improves the cooling of natural heat dissipation device 1
Ability, 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 can not 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. a kind of free-standing twin-stage liquid gas binary channels natural cooling data center heat dissipation system of interior circulation, it is characterised in that including
Liquid cooled module, air cooling equipment, the first Intermediate Heat Exchanger, the second Intermediate Heat Exchanger and natural heat dissipation device, are changed in the middle of described first
Hot device side is the first heat absorbing side, and opposite side is the first refrigeration side, and the second Intermediate Heat Exchanger side is the second heat absorbing side, opposite side
For the second refrigeration side, the first heat absorbing side connects to form circulation loop with liquid cooled module, and the second heat absorbing side connects shape with air cooling equipment
Into circulation loop；The import of the outlet natural heat dissipation device of the first refrigeration side and the second refrigeration side, the first refrigeration side
With second refrigeration side inlet communication natural heat dissipation device outlet, and then formed circulation loop.
2. the free-standing twin-stage liquid gas binary channels natural cooling data center radiating system of a kind of interior circulation according to claim 1
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 first refrigeration side and the second refrigeration side connects entering for natural heat dissipation device with second interface by first interface
Mouthful, the outlet of the inlet communication natural heat dissipation device of the first refrigeration side and the second refrigeration side, and then circulation loop is formed, the 3rd connects
The outlet of mouth connection natural heat dissipation device.
3. the free-standing twin-stage liquid gas binary channels natural cooling data center radiating system of a kind of interior circulation according to claim 1
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 natural heat dissipation device, and by the import of the 5th orifice first refrigeration side, connect by the 6th
The import of the second refrigeration of mouth connection side.
4. the free-standing twin-stage liquid gas binary channels natural cooling data center radiating system of a kind of interior circulation according to claim 1
System, it is characterised in that the import or export of first heat absorbing side is provided with first circulation pump, first circulation pump is provided with first
Frequency converter.
5. the free-standing twin-stage liquid gas binary channels natural cooling data center radiating system of a kind of interior circulation according to claim 1
System, it is characterised in that the import or export of second heat absorbing side is provided with second circulation pump, second circulation pump is provided with second
Frequency converter.
6. the free-standing twin-stage liquid gas binary channels natural cooling data center radiating system of a kind of interior circulation according to claim 1
System, it is characterised in that also including the 3rd circulating pump for being located at the outlet of natural heat dissipation device or import, the 3rd circulating pump is provided with the
Three frequency converters.
7. the free-standing twin-stage liquid gas binary channels natural cooling data center radiating system of a kind of interior circulation according to claim 1
System, it is characterised in that the natural heat dissipation device is provided with the 4th frequency converter.
8. the free-standing twin-stage liquid gas binary channels natural cooling data center radiating system of a kind of interior circulation according to claim 1
System, it is characterised in that also include the refrigeration compensation device of natural heat dissipation device inlet and outlet in parallel.
9. the free-standing 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 is set
There is second temperature sensor.
10. the free-standing 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, and the outlet of liquid cooled module is set
There is the 4th temperature sensor.
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| CN110381698A (en) * | 2019-06-13 | 2019-10-25 | 厦门华睿晟智能科技有限责任公司 | Tandem liquid gas double-channel data center refrigeration system |
| CN110413078A (en) * | 2018-04-28 | 2019-11-05 | 京威科技有限公司 | The water cooling plant in changeable pumping circuit |
| CN114641189A (en) * | 2022-03-31 | 2022-06-17 | 苏州浪潮智能科技有限公司 | Air-cooling and liquid-cooling hybrid data center cooling system and method |
| CN114812053A (en) * | 2021-01-22 | 2022-07-29 | 周雅娟 | Refrigeration system and method compatible with air cooling and liquid cooling |
| GB2603605A (en) * | 2020-11-30 | 2022-08-10 | Nvidia Corp | Intelligent and redundant air-cooled cooling loop for datacenter cooling systems |
| 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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Application publication date: 20170725 |