CN106852088A - 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 PDF

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Publication number
CN106852088A
CN106852088A CN201710184756.XA CN201710184756A CN106852088A CN 106852088 A CN106852088 A CN 106852088A CN 201710184756 A CN201710184756 A CN 201710184756A CN 106852088 A CN106852088 A CN 106852088A
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China
Prior art keywords
heat dissipation
natural
outlet
import
data center
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CN201710184756.XA
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CN106852088B (en
Inventor
张学伟
林涌双
顾剑彬
陈华
谢春辉
陈前
叶向阳
梁洁平
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Guangdong Shenling Air Conditioning Equipment Co Ltd
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Guangdong Shenling Air Conditioning Equipment Co Ltd
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20709Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20836Thermal management, e.g. server temperature control
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20709Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20718Forced ventilation of a gaseous coolant
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20709Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/208Liquid cooling with phase change
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The present invention relates 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 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

Single-stage tandem liquid gas binary channels natural cooling data center heat dissipation system
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 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, 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, energy saving.
For this patent, above-mentioned technical problem is so to solve: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 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, thus can unified with nature heat abstractor natural cooling is carried out to the main heater element of server, meet Radiating requirements, secondly because 70% ~ 80% heat is taken away by liquid cooled module in server, remaining distributed heat 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, in reducing mechanical refrigeration The operation of the parts such as compressor and maintenance cost, significantly reduce energy consumption, save the energy.
Further, also including 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 to and exchanged heat in air cooling equipment, 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 It is 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. receive cold events, it is possible to cause the phenomenon such as loose contact between three to occur, while being also possible to be produced 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, also including 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, 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, in flowing directly to 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 first through air cooling equipment, in then flowing into liquid cooled module, therefore, 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, also including being located at the water pump of the outlet of natural heat dissipation device or import, water pump 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 water pump accelerate operating, improves the heat exchange efficiency of heat transferring medium in loop, improves refrigerating capacity, good stability;Work as refrigerating capacity When having surplus, the working frequency of the first frequency converter can be suitably reduced, water pump is slowed down running speed, reduce heat transferring medium in loop Heat exchange efficiency, so as to reduce refrigerating capacity, saving 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 increases refrigerating capacity, Guarantee system is normally run;When refrigerating capacity has surplus, the working frequency of the second 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 being connected in parallel on natural heat dissipation device inlet and outlet, or air cooling equipment import and liquid are connected in parallel on The refrigeration compensation device of cold module 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 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 a part of heat transferring medium by the place branch of 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 drop The frequency of low first frequency converter or the second frequency converter, or increase heat exchange Jie that the 3rd interface flows through natural heat dissipation device to reduce 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, 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 To in preset value, safeguards system stabilization radiates for temperature drop;When second temperature sensor detects the heat exchange of liquid cooling apparatus import When medium temperature is less than setting value, can suitably reduce the frequency of the first frequency converter or the second frequency converter, or increase the 3rd interface Reduction flows through the heat transferring medium of natural heat dissipation device, and the aperture reduction heat transferring medium for reducing the first two-port valve flows through liquid cooled module Ratio, improves more than heat exchange medium temperature to the predetermined value of 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, 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, open the first two-port valve increase heat transferring medium and flow through liquid cooled module Ratio;When the three-temperature sensor and the 4th temperature sensor are detected simultaneously by temperature higher than setting value, can 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 flow 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 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, 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.
Specific 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 is 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 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 unified with nature heat abstractor 1 to carry out nature to the main heater element of server cold But, meet 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 7 unified with nature heat abstractor of air cooling equipment 1 pair 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 in mechanical refrigeration, save the energy.
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 from the high temperature of the outlet output of liquid cooled module 10 Heat transferring medium can be exchanged heat without natural heat dissipation device 1, and come back to and exchanged heat in chilled water coil 8, 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 be protected 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. 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.
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, 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, 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 being located at the water pump 3 of natural heat dissipation device outlet, 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, make water pump 3 accelerate operating, improve loop in heat transferring medium heat exchange efficiency, improve refrigerating capacity, good stability; 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, 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.
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, 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 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 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.
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 a part of heat transferring medium by the institute of 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 in the case where starting state is given tacit consent to, and closes the 3rd interface c and the first 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 the second temperature sensor 13 or the 4th detects temperature higher than setting value, first open The increase heat transferring medium of first two-port valve 6 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 preferential frequency for raising the first frequency converter 24 reduces temperature, then turns down the 3rd Interface c increases flow through the heat transferring medium of natural heat dissipation device 1, then improve the frequency of the second frequency converter 23, are carried by above-mentioned means The heat exchange efficiency of heat transferring medium high, 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 stabilization radiates.
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 aperture of the 3rd interface c, 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, energy saving, prevents 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 cannot 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 of 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, also including 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, also including the first two-port valve, two interfaces of first two-port valve are respectively communicated with the outlet of air cooling equipment and enter 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, also including being 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, also including being 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.
CN201710184756.XA 2017-03-24 2017-03-24 Single-stage serial liquid-gas dual-channel natural cooling data center heat dissipation system Active CN106852088B (en)

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CN104699207A (en) * 2015-03-31 2015-06-10 广东申菱空调设备有限公司 Server radiating system combining air-cooled naturally-cooled heat pipe air-conditioner with liquid-cooled device
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