CN206533681U - Single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system - Google Patents
Single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system Download PDFInfo
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- CN206533681U CN206533681U CN201720297638.5U CN201720297638U CN206533681U CN 206533681 U CN206533681 U CN 206533681U CN 201720297638 U CN201720297638 U CN 201720297638U CN 206533681 U CN206533681 U CN 206533681U
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Abstract
This patent is related to a kind of single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system, including liquid cooled module, air cooling equipment and natural heat dissipation device, the import of the outlet natural heat dissipation device of the liquid cooled module, the import of the outlet air cooling equipment of natural heat dissipation device, the import of the outlet liquid cooled module of air cooling equipment.Air cooling equipment and liquid cooled module in this patent 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 single-stage tandem liquid gas binary channels is naturally cold
But 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.
Utility model content
In order to overcome the defect of prior art, this patent provides a kind of single-stage tandem liquid gas binary channels natural cooling data
Center cooling 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 single-stage tandem liquid gas binary channels
Natural cooling data center heat dissipation system, including liquid cooled module, air cooling equipment and natural heat dissipation device, the liquid cooled module go out
The import of mouth connection natural heat dissipation device, the import of the outlet air cooling equipment of natural heat dissipation device, the outlet of air cooling equipment
Connect the import of liquid cooled module.
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.To sum up, this patent makes full use of natural cooling source to be radiated, and reduces in mechanical refrigeration
The operation of the parts such as compressor and maintenance cost, significantly reduce energy consumption, save the energy.
Further, in addition to triple valve, the triple valve includes first interface, second interface and the 3rd interface；It is described
The outlet of liquid cooled module connects the import of natural heat dissipation device by first interface with second interface, and the 3rd orifice dissipates naturally
The outlet of thermal.
The outlet of the 3rd orifice natural heat dissipation device, it is meant that changed from the high temperature of the outlet output of liquid cooled module
Thermal medium can be exchanged heat without natural heat dissipation device, and come back in air cooling equipment and exchanged heat, so working as refrigerating capacity
The 3rd interface can be suitably opened when superfluous, refrigerating capacity is reduced, the energy consumption of natural heat dissipation device is saved, additionally it is possible to a certain degree
Upper protection liquid cooled module and air cooling equipment will not temperature it is too low, reliability is high, because element, circuit when server temperature is too low
Plate and circuit etc. are by cold events, it is possible to cause the phenomenon such as loose contact between three to occur, while being also possible to produce because of supercooling
Raw dew condensation phenomenon, it is to avoid the potential safety hazard such as short circuit, mould growth and material corrosion caused by condensation, is further ensured that system
Safe and stable operation.
Further, in addition to the first two-port valve, two interfaces of first two-port valve are respectively communicated with air cooling equipment
Export and import.
When the refrigerating capacity surplus of air cooling equipment or the very few refrigerating capacity of liquid cooled module, it can suitably expand the first two-port valve
Aperture, makes a part of low-temperature heat exchange medium that natural heat dissipation device is exported without air cooling equipment, flows directly in liquid cooled module；When
The refrigerating capacity of air cooling equipment is very few or during superfluous refrigerating capacity of liquid cooled module, can suitably reduce the aperture of the first two-port valve, make from
Most of low-temperature heat exchange medium of right heat sink outlet is then flowed into liquid cooled module first through air cooling equipment, therefore, and the one or two
The aperture of port valve is easy to be adjusted according to actual conditions, and flexibility is good, improves system suitability.
Further, in addition to be located at natural heat dissipation device outlet or import water pump, water pump be 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 water pump accelerate operating, improves the heat exchange efficiency of heat transferring medium in loop, improves refrigerating capacity, and stability is good；Work as refrigerating capacity
When having surplus, the working frequency of the first frequency converter can be suitably reduced, water pump is slowed down heat transferring medium in running speed, reduction loop
Heat exchange efficiency, so as to reduce refrigerating capacity, save energy consumption, it is to avoid server is subcooled and shrinks or produce condensation, causes damage.
Further, the natural heat dissipation device is provided with 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 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 second 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, in addition to natural heat dissipation device inlet and outlet is connected in parallel on, or is connected in parallel on air cooling equipment import and liquid
The refrigeration compensation device of cold module outlet.
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, it is in series with the second two-port valve on the place branch road of the refrigeration compensation device.
When compensation device of freezing is out of service, to avoid place branch of a part of heat transferring medium by refrigeration compensation device
Road, reduces heat exchange efficiency, can close the second two-port valve and ensure that heat transferring medium is circulated in correct loop, it is ensured that system is normally transported
OK, 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 heat exchange medium temperature that the first temperature sensor detects air cooling equipment import is less than setting value, can suitably it drop
The frequency of low first frequency converter or the second frequency converter, or increase the 3rd interface come reduce flow through natural heat dissipation device heat exchange be situated between
Matter, increase heat transferring medium heat exchange efficiency, improve refrigerating capacity, improve air cooling equipment import heat exchange medium temperature to predetermined value with
On, safeguards system stable operation；When second temperature sensor detects the heat exchange medium temperature of liquid cooled module import higher than setting
During value, it can suitably raise the first frequency converter, unlatching the first two-port valve increase heat transferring medium and flow through the ratio of liquid cooled module or add
The frequency of big second frequency converter, increases the heat exchange efficiency of heat transferring medium, improves refrigerating capacity, makes the heat transferring medium of liquid cooled module import
Temperature drop is radiated in preset value, safeguards system is stable；When second temperature sensor detects the heat exchange of liquid cooling apparatus import
When medium temperature is less than setting value, it can suitably reduce the frequency of the first frequency converter or the second frequency converter, or increase the 3rd interface
The heat transferring medium for flowing through natural heat dissipation device is reduced, the aperture of the first two-port valve of reduction reduces heat transferring medium and flows through liquid cooled module
It is more than ratio, heat exchange medium temperature to the predetermined value for improving liquid cooled module import, safeguards 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, it can fit
When the frequency for raising the first frequency converter；When the heat exchange medium temperature that the 4th temperature sensor detects liquid cooled module outlet is high
When setting value, the frequency of the first frequency converter can be suitably raised, the first two-port valve increase heat transferring medium is opened and flows through liquid cooled module
Ratio；, can when the three-temperature sensor and the 4th temperature sensor are detected simultaneously by temperature higher than setting value
The frequency of the first frequency converter or the second frequency converter is suitably raised, or turns down the increase of the 3rd interface and flows through changing for natural heat dissipation device
Thermal medium, the heat exchange efficiency of heat transferring medium is improved by above-mentioned means, improves 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, triple valve, refrigeration compensation dress
Put, the regulation and control that the first two-port valve and the second two-port valve work system, make system avoided while radiating requirements are met supercooling
And cause components in server to shrink and produce condensation, it is ensured that server stable operation in safe temperature range.
Brief description of the drawings
Fig. 1 is the system construction drawing of this patent.
Embodiment
A kind of single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system as shown in Figure 1, including liquid are cold
Module 10, air cooling equipment 7 and natural heat dissipation device 1, the import of the outlet natural heat dissipation device 1 of the liquid cooled module 10,
The import of the outlet air cooling equipment 7 of natural heat dissipation device 1, the import of the outlet liquid cooled module 10 of air cooling equipment 7.
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.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, significantly reduce energy consumption, save the energy in mechanical refrigeration.
This patent also includes triple valve 2, and the triple valve 2 includes first interface a, second interface b and the 3rd interface c；Institute
The outlet for stating liquid cooled module 10 connects the import of natural heat dissipation device by first interface a with second interface b, and the 3rd interface c connects
The outlet of logical natural heat dissipation device.
The outlet of the 3rd interface c connection natural heat dissipations device 1, it is meant that the high temperature of output is exported from liquid cooled module 10
Heat transferring medium can be exchanged heat without natural heat dissipation device 1, and come back in chilled water coil 8 and exchanged heat, so when system
Cold can suitably open the 3rd interface c when superfluous, reduce refrigerating capacity, save the energy consumption of natural heat dissipation device 1, additionally it is possible to one
Determine to protect in degree liquid cooled module 10 and chilled water coil 8 will not temperature it is too low, reliability is high, because when server temperature is too low
Element, circuit board and circuit etc. are by 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.
This patent also includes the first two-port valve 6, and two interfaces of first two-port valve 6 are respectively communicated with chilled water coil 8
Export and import.
When the refrigerating capacity surplus of chilled water coil 8 or the very few refrigerating capacity of liquid cooled module 10, it can suitably expand the first two-way
The aperture of valve 6, makes a part of low-temperature heat exchange medium that natural heat dissipation device 1 is exported without chilled water coil 8, flows directly to liquid chill
In block 10；When the refrigerating capacity of chilled water coil 8 is very few or the refrigerating capacity of liquid cooled module 10 is superfluous, it can suitably reduce the first two-port valve
6 aperture, makes most of low-temperature heat exchange medium that natural heat dissipation device 1 is exported first through chilled water coil 8, then flows into liquid cooled module 10
In, therefore, the aperture of first two-port valve 6 is easy to be adjusted according to actual conditions, and flexibility is good, improves system adaptation
Property.
This patent also includes the water pump 3 for being located at the outlet of natural heat dissipation device, and water pump 3 is provided with the first frequency converter 24.
When refrigerating capacity can not meet the demand of chilled water coil 8 or liquid cooled module 10, the first frequency converter 24 can be suitably raised
Working frequency, water pump 3 is accelerated operating, improve the heat exchange efficiency of heat transferring medium in loop, improve refrigerating capacity, stability is good；
When refrigerating capacity has surplus, the working frequency of the first frequency converter 24 can be suitably reduced, water pump 3 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 is subcooled and shrinks or produce solidifying
Dew, 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 second frequency converter
23。
When refrigerating capacity can not meet the demand of chilled water coil 8 or liquid cooled module 10, the second 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 second 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.
Also include being connected in parallel on the inlet and outlet of natural heat dissipation device 1, or be connected in parallel on air cooling equipment import and liquid cooled module goes out
The refrigeration compensation device 26 of mouth.
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.
The second two-port valve 27 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, the second two-port valve 27 can be closed and ensure that heat transferring medium is circulated in correct loop, it is ensured that system
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 operation principle of single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system of this patent is as follows：
The system opens first interface a and second interface b under acquiescence starting state, closes the 3rd interface c and the one or two
Port valve 6.
1st, when the three-temperature sensor 12 detects temperature higher than setting value, the first frequency converter 25 can suitably be raised
Frequency；When the temperature sensor 14 of second temperature sensor 13 or the 4th detects temperature higher than setting value, first open
First two-port valve 6 increase heat transferring medium flows through the ratio of liquid cooled module 10, if the first two-port valve 6 has been opened to maximum, can now fit
When the frequency for raising the first frequency converter 25 is adjusted；When the three-temperature sensor 12 and the 4th temperature sensor 14
When being detected simultaneously by temperature higher than setting value, the frequency of the first frequency converter 24 of preferential rise reduces temperature, then turns down the 3rd
Interface c increases the heat transferring medium for flowing through natural heat dissipation device 1, then improves the frequency of the second frequency converter 23, is carried by above-mentioned means
The heat exchange efficiency of high heat transferring medium, improves refrigerating capacity, until by second temperature sensor 12, three-temperature sensor 13 and the 4th
The temperature of temperature sensor 14 is reduced in setting value zone of reasonableness, it is ensured that system is stable to radiate.
2nd, when the heat exchange medium temperature that first temperature sensor 11 detects the import of chilled water coil 8 is less than setting value
When, the frequency of the first frequency converter 24 is first reduced, then the frequency of the second frequency converter 23 is reduced, if temperature can't be effectively improved,
Expand the 3rd interface c aperture, until the temperature of the first temperature sensor 11 is increased in setting value zone of reasonableness；When described
When the heat exchange medium temperature that second temperature sensor 13 detects the import of chilled water coil 8 is less than setting value, the first two-way is first turned down
The aperture of valve 6, if temperature can't be effectively improved, is adjusted successively according to above-mentioned order, until second temperature is sensed
The temperature of device 13 is increased in setting value zone of reasonableness, is saved the energy, is prevented server to be subcooled, it is ensured that system stable operation.
3rd, when the three-temperature sensor 12 and the 4th temperature sensor 14 detect temperature higher than setting value and the
One frequency converter 24 has risen to highest frequency, while the first temperature sensor 11 or second temperature sensor 13 detect temperature and be less than
Setting value and when the first two-port valve 6 has been completely closed, the preferential regulation action performed in operation principle 1 improves natural heat dissipation dress
Put 1 cooling 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 the second two-port valve 27 is opened, ensure system
The normal operation of system, enough low-temperature receivers are provided to server, when the cooling ability of natural heat dissipation device 1 is sufficient or fault restoration is completed
Afterwards, stop refrigeration compensation device 26 and close the second two-port valve 27.
Claims (9)
1. a kind of single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system, it is characterised in that including liquid chill
Block, air cooling equipment and natural heat dissipation device, the import of the outlet natural heat dissipation device of the liquid cooled module, natural heat dissipation dress
The import for the outlet air cooling equipment put, the import of the outlet liquid cooled module of air cooling equipment.
2. a kind of single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system according to claim 1, its
It is characterised by, in addition to triple valve, the triple valve includes first interface, second interface and the 3rd interface；The liquid cooled module
Outlet the import of natural heat dissipation device is connected with second interface by first interface, the 3rd orifice natural heat dissipation device
Outlet.
3. a kind of single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system according to claim 1, its
It is characterised by, in addition to the first two-port valve, two interfaces of first two-port valve are respectively communicated with the outlet of air cooling equipment and entered
Mouthful.
4. a kind of single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system according to claim 1, its
It is characterised by, in addition to is located at the water pump of the outlet of natural heat dissipation device or import, water pump is provided with the first frequency converter.
5. a kind of single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system according to claim 1, its
It is characterised by, the natural heat dissipation device is provided with the second frequency converter.
6. a kind of single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system according to claim 1, its
It is characterised by, in addition to is connected in parallel on natural heat dissipation device inlet and outlet, or is connected in parallel on air cooling equipment import and liquid cooled module goes out
The refrigeration compensation device of mouth.
7. a kind of single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system according to claim 6, its
It is characterised by, the second two-port valve is in series with the place branch road of the refrigeration compensation device.
8. a kind of single-stage tandem liquid gas binary channels natural cooling data center according to any one of claim 1 to 7 dissipates
Hot systems, 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 provided with second
Temperature sensor.
9. a kind of single-stage tandem liquid gas binary channels natural cooling data center according to any one of claim 1 to 7 dissipates
Hot systems, it is characterised in that the outlet of the air cooling equipment is provided with three-temperature sensor, the outlet of liquid cooled module is provided with the 4th
Temperature sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720297638.5U CN206533681U (en) | 2017-03-24 | 2017-03-24 | Single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106852088A (en) * | 2017-03-24 | 2017-06-13 | 广东申菱环境系统股份有限公司 | Single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system |
-
2017
- 2017-03-24 CN CN201720297638.5U patent/CN206533681U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106852088A (en) * | 2017-03-24 | 2017-06-13 | 广东申菱环境系统股份有限公司 | Single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system |
| CN106852088B (en) * | 2017-03-24 | 2023-05-12 | 广东申菱环境系统股份有限公司 | Single-stage serial liquid-gas dual-channel natural cooling data center heat dissipation system |
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