CN107072107A - A kind of accurate high-efficiency refrigerating system of data center's liquid gas binary channels and its control method - Google Patents
A kind of accurate high-efficiency refrigerating system of data center's liquid gas binary channels and its control method Download PDFInfo
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- CN107072107A CN107072107A CN201611237860.2A CN201611237860A CN107072107A CN 107072107 A CN107072107 A CN 107072107A CN 201611237860 A CN201611237860 A CN 201611237860A CN 107072107 A CN107072107 A CN 107072107A
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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
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
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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
- H05K7/208—Liquid cooling with phase change
- H05K7/20827—Liquid cooling with phase change within rooms for removing heat from cabinets, e.g. air conditioning devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- General Engineering & Computer Science (AREA)
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- Cooling Or The Like Of Electrical Apparatus (AREA)
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Abstract
The invention discloses a kind of accurate high-efficiency refrigerating system of data center's liquid gas binary channels and its control method, system includes data center's micromodule computer room, the gentle cold passage refrigerating system of liquid cold passage refrigerating system, also include low-temperature receiver backup bypass system, the low-temperature receiver backup bypass system is connected to the gentle cold passage refrigerating system of liquid cold passage refrigerating system, the cooling medium for switching the gentle cold passage refrigerating system of liquid cold passage refrigerating system；Method is by the control system of liquid cold passage refrigerating system according to liquid, gas binary channels refrigeration duty demand and variation of ambient temperature, by controlling to adjust the first motor-driven valve of bypass, the second motor-driven valve of bypass, cold first motor-driven valve of liquid, cold second motor-driven valve of liquid, the motor-driven valve of air cooling first and the motor-driven valve of air cooling second, the backup switching of liquid gas binary channels refrigerating system low-temperature receiver side cooling medium is realized.The present invention has high reliability, security and low-temperature receiver Collaborative Control performance, is avoided that individual equipment or single refrigerating system failure cause a large amount of servers to be delayed machine.
Description
Technical field
This patent belongs to server apparatus cooling technic field, and especially a kind of data center's liquid gas binary channels is precisely efficient
Refrigerating system and its control method.
Background technology
Large-scale data center has played important function during globalization, Informatization Development, is telecommunications, internet, gold
The important infrastructure of industry such as melt, even more various countries promote the important informationization basis of network power strategy.
In recent years, with internet, cloud computing and the accelerated development of big data industry, global data center pace of construction is bright
Aobvious to accelerate, total amount is more than 3,000,000, and market scale will be in 2018 more than 106,000,000,000 yuan.At the same time, according to statistics, data
The ratio that center year power consumption accounts for global total power consumption is 1.5%-2%, and the cap of " big power consumer " is brought on always, is consumed
Ample resources, while tropical island effect is protruded, construction investment is big, the low problem of computer room utilization rate has all turned into data center and saved neck
The international headache that domain is urgently captured.In terms of energy consumption, there is high energy consumption, Gao Lang in data center major part PUE more than 2.0
Take；In terms of reliability, the problem of there is cold skewness in computer room due to traditional air-cooled technology, computer room tropical island effect is dashed forward
Go out, cause computer server to crash under serious conditions, important business data is lost；In terms of resource utilization, it is limited to pure
The refrigeration bottleneck of pure air-cooled technology, data center's single chassis installed power is arranged to 3kW-5kW, the industry that single chassis can be carried
Business capacity is extremely low.And as electronic component integrated level is improved, its volume is constantly reduced, performance is constantly lifted, the function of chip
Density is also increasing, and traditional air-cooled (air cooling) radiating mode high energy consumption, heat exchange efficiency are low, can not meet growing
Radiating requirements.
And liquid cooling technology is dissipated using its efficient radiating efficiency and relatively low energy consumption as high heat flux electronic device
Heat provides new solution, and has deployed application in multiple fields such as data center, server, individual PC.But at present
Several liquid refrigeration techniques are to be directed to information technoloy equipment mostly, there is problems with：
A kind of direct water-cooling technology is the liquid for directly passing to current above the heat dissipation elements such as server master board CPU, internal memory
Refrigeration technique.Because the current of direct water-cooling technology are passed to above the elements such as mainboard CPU, both there is the current leakage peace in structure
Full hidden danger, can result in the need for larger driving pressure, current risk of leakage and further increase because water conservancy diversion water pipe is excessively tiny again.And
And significantly customized development is needed using the server architecture of this technology, increase a series of cooled plates and mozzle, technique is more complicated, can
Maintainability is low, and initial cost is higher.
A kind of immersion technology is the liquid refrigeration technique that server master board is immersed in iknsulating liquid.Due to immersion technology
Server master board is placed among liquid dielectric, and there is potential coupling, may influence mainboard electricity between mainboard high frequency component
Magnetic compatibility and the convenience safeguarded, so the technology not yet Industry Promotion and also need the test optimization of time several years.And
And immersion liquid refrigeration technique equally face initial cost big, complex process, it is maintainable poor the problems such as.
Also a kind of heat pipe indirect type liquid refrigeration technique, absorbs server core part using " water-cooling type heat-pipe radiator " and sends out
Heat, water (or using other refrigerants) is constrained within the cold drawing of concentration, less than server master board, safe, Er Qiesuo
Do not contacted with " water-cooling type heat-pipe radiator " or the not high frequency stitch of realistic device mainboard, circuit, appearance sense etc., do not influence master
The Electro Magnetic Compatibility of plate, and server architecture is also without significantly transforming, and safeguards simple and convenient, therefore the cold skill of heat pipe indirect type liquid
Art possesses greater advantage compared with other liquid refrigeration techniques.But the manufacturing process and cost of investment of heat pipe and cold drawing are limited to, heat
Pipe indirect type liquid refrigeration technique is difficult to the net quantity of heat of takeaway service device.
Although prior art also occurs employing air-conditioning auxiliary heat dissipation technology between heat pipe indirect type liquid refrigeration technique and row, such as specially
The server cabinet cooling system that air-conditioning and liquid cooling apparatus are combined between profit number 201520185138.3, patent name row, but it
Cooperation between disclosed liquid refrigeration technique and row between air-conditioning auxiliary heat dissipation technology makes whole system not reach higher energy saving also
And reliability, low-temperature receiver end cooling medium does not accomplish that switching is utilized between them, and be further improved lifting.
The content of the invention
In order to solve the technical problem of prior art presence, the invention provides a kind of data center's liquid gas binary channels is accurate
High-efficiency refrigerating system, it has higher reliability, security and low-temperature receiver Collaborative Control performance, can be prevented effectively from individual equipment
Or single refrigerating system failure causes a large amount of servers to be delayed machine.
The technical solution adopted by the present invention is as follows：
A kind of accurate high-efficiency refrigerating system of data center's liquid gas binary channels, including data center's micromodule computer room, liquid are cold logical
The gentle cold passage refrigerating system of road refrigerating system, in data center's micromodule computer room provided with some liquid-cooled suits business device rack and
Some servers in liquid-cooled suit business device rack are arranged at, the server is close provided with high heat flux chip and some low-heat streams
Element is spent, liquid-cooling heat radiation is carried out to the high heat flux chip of server by liquid cold passage refrigerating system, passes through air cooling passage
Refrigerating system carries out auxiliary heat dissipation, and the air cooling of low-heat current density element is radiated, in addition to low-temperature receiver backup bypass system, the low-temperature receiver
Backup bypass system is connected to the gentle cold passage refrigerating system of liquid cold passage refrigerating system, for switching liquid cold passage refrigerating system
The cooling medium of gentle cold passage refrigerating system.
Further, the liquid cold passage refrigerating system includes internal circulation system and external circulating system, the interior circulation system
System includes the cold allocation unit of water-cooling type heat-pipe radiator, liquid, the cold maintenance unit of liquid and the temperature control heat exchange unit being sequentially connected, described
The cold allocation unit of water-cooling type heat-pipe radiator, liquid is in liquid-cooled suit business device rack, and the cold maintenance unit of liquid is located at liquid-cooled suit
It is engaged in the base of device rack lower section, the temperature control heat exchange unit includes internal circulation pump and heat exchanger；The cold maintenance unit of liquid with it is interior
Liquid house steward is returned between circulating pump by interior circulation to connect, it is total by interior circulation feed flow between the cold maintenance unit of heat exchanger and liquid
Pipe is connected；The external circulating system includes cooling unit, outer circulation pump and control system, between the cooling unit and heat exchanger
By outer circulation feed flow house steward and outer circulation liquid house steward is returned to connect, the outer circulation pump be located between cooling unit and heat exchanger and
By outer circulation, feed flow house steward is in connection, and the cooling unit and outer circulation pump are connected with heat exchanger, pass through heat exchanger
Realize the transmission of inside and outside circulatory system heat；Liquid house steward is recycled back between the heat exchanger and cooling unit and outside to be provided with
Cold first motor-driven valve of liquid, it is between the outer circulation pump and cooling unit and electronic provided with liquid cold second on outer circulating feeding liquid house steward
Valve.
Further, the internal circulation system is designed using double loop with journey, including feed flow loop and time pendular ring road, described
Feed flow loop includes interior circulation feed flow house steward, and described time pendular ring road includes interior circulation and return liquid house steward.
Further, the air cooling passage refrigerating system includes empty between air-conditioning between freezing water distribution units and row, the row
Adjust in data center's micromodule computer room, and be connected with freezing water distribution units, the freezing water distribution units pass through air-conditioning
Return main and air-conditioning water main are connected to air-conditioning between cold water main unit, the row and are supplied water by air-conditioning water supply branch pipe and returned by air-conditioning
Water branch pipe reclaims the water of discharge, and the air-conditioning water supply branch pipe is connected to air-conditioning water main, and the air-conditioning return branch is connected to
Air-conditioning return main；It is between the freezing water distribution units and cold water main unit and electric provided with air cooling first on air-conditioning return main
Dynamic valve, is provided with the motor-driven valve of air cooling second between the freezing water distribution units and cold water main unit and on air-conditioning water main.
Further, the low-temperature receiver backup bypass system includes the second motor-driven valve of the first motor-driven valve of bypass and bypass, described
Bypass the first motor-driven valve and outer circulation feed flow house steward and air-conditioning water main, and the first bypass pipe are connected to by the first bypass line
Road and the junction of outer circulation feed flow house steward are located between heat exchanger and cooling unit connecting line, the first bypass line and air-conditioning
The junction of water main is located between freezing water distribution units and cold water main unit connecting line；The second motor-driven valve of the bypass leads to
Cross the second bypass line and be connected to outer circulation time liquid house steward and air-conditioning return main, the second bypass line returns liquid house steward with outer circulation
Junction be located between heat exchanger and cooling unit connecting line, the junction position of the second bypass line and air-conditioning return main
Between freezing water distribution units and cold water main unit connecting line.
Further, the control system of the external circulating system with it is described bypass the first motor-driven valve, bypass the second motor-driven valve,
Cold first motor-driven valve of liquid, cold second motor-driven valve of liquid, the motor-driven valve of air cooling first, the motor-driven valve of air cooling second are electrically connected with, the control
System can be according to liquid, gas binary channels refrigeration duty demand and variation of ambient temperature, by controlling to adjust the first motor-driven valve of bypass, bypass
Cold first motor-driven valve of second motor-driven valve, liquid, cold second motor-driven valve of liquid, the motor-driven valve of air cooling first, the motor-driven valve of air cooling second, realize liquid
The backup switching of gas binary channels refrigerating system low-temperature receiver side cooling medium.
Further, air-conditioning is installed between the water-cooling type heat-pipe radiator, the cold allocation unit of liquid, the cold maintenance unit of liquid, row
In in data center's micromodule computer room, air-conditioning is divided into two row front doors pair between several liquid-cooled suits business device rack and some row
Front door interval is installed, and the space between two row racks forms closing cold passage；The temperature control heat exchange unit, outer circulation pump, control
System, freezing water distribution units are installed between data center apparatus, and the cooling unit is installed on outdoor；Temperature control heat exchange unit
Heat exchanger isolates the inside and outside circulatory system, and freezing water distribution units isolation air-conditioning is for return main and air-conditioning is for return branch and presses
Need to be to air-conditioning distribution flow between each row.
Further, the water-cooling type heat-pipe radiator point pair for supplying, returning each branch pipe of liquid and being installed on each server
Point connection；The liquid-cooled suit business device rack of the cold maintenance unit of liquid and data center's micromodule computer room is corresponded.
Further, the rate-determining steps of the control system include as follows：
When outdoor environment temperature is relatively low, air cooling passage load is smaller or during cold water main unit failure, the control system is closed
Air-conditioning is supplied, the motor-driven valve of air cooling first, second of return main, is opened first, second motor-driven valve of bypass and is carried out Flow-rate adjustment, profit
With the low-temperature cooling water obtained from liquid cold passage cooling unit by natural cooling, into freezing water distribution units, between row
Air-conditioning provides cooling medium；
When liquid cold passage load is larger, and cooling unit provides maximum one, can not still ensure server core
During piece cooling requirements, the control system opens first, second motor-driven valve of bypass and carries out Flow-rate adjustment, is carried using cold water main unit
The low temperature chilled water auxiliary of confession solves the heat that liquid cold passage cooling unit can not be taken away；
When the liquid cold passage cooling unit system failure, when can not ensure server chips cooling requirements completely, the control
System closes cold first, second motor-driven valve of liquid that liquid cold passage external circulating system supplies liquid back pipe road, opens the electricity of bypass first, second
Dynamic valve simultaneously carries out Flow-rate adjustment, and the chilled water provided using cold water main unit enters the cold temperature control heat exchange unit outer circulation of liquid, realizes clothes
The proper heat reduction of business device chip.
In order to solve the above-mentioned technical problem referred to, present invention also offers a kind of data center's liquid gas binary channels is precisely high
Its control method of effect refrigeration, it employs the above-mentioned accurate high-efficiency refrigerating system of data center's liquid gas binary channels, wherein control system
The rate-determining steps of system include as follows：
When outdoor environment temperature is relatively low, air cooling passage load is smaller or during cold water main unit failure, the control system is closed
Air-conditioning is supplied, the motor-driven valve of air cooling first, second of return main, is opened first, second motor-driven valve of bypass and is carried out Flow-rate adjustment, profit
With the low-temperature cooling water obtained from liquid cold passage cooling unit by natural cooling, into freezing water distribution units, between row
Air-conditioning provides cooling medium；
When liquid cold passage load is larger, and cooling unit provides maximum one, can not still ensure server core
During piece cooling requirements, the control system opens first, second motor-driven valve of bypass and carries out Flow-rate adjustment, is carried using cold water main unit
The low temperature chilled water auxiliary of confession solves the heat that liquid cold passage cooling unit can not be taken away；
When the liquid cold passage cooling unit system failure, when can not ensure server chips cooling requirements completely, the control
System closes cold first, second motor-driven valve of liquid that liquid cold passage external circulating system supplies liquid back pipe road, opens the electricity of bypass first, second
Dynamic valve simultaneously carries out Flow-rate adjustment, and the chilled water provided using cold water main unit enters the cold temperature control heat exchange unit outer circulation of liquid, realizes clothes
The proper heat reduction of business device chip.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention based on solve data center high energy consumption, heat island protrude, the low problem of computer room utilization rate and existing air cooling,
The deficiency of the cold cooling technology of liquid, builds simple for structure, safe and reliable novel liquid cooling passage, precisely efficiently takes away server hyperpyrexia
Current density component caloric value；Build the air cooling passage based on air-conditioning between row and freezing water distribution units, takeaway service device low-heat
Current density component caloric value, and each equipment connection of the gentle cold passage refrigerating system of liquid cold passage refrigerating system takes into full account peace
Full reliability, complements each other using upper Collaborative Control liquid/gas binary channels refrigerating system in low-temperature receiver, passes through low-temperature receiver under certain condition
The changeable cooling medium of backup bypass system is used, and further saves the energy, improves system reliability.
Brief description of the drawings
Fig. 1 is the accurate high-efficiency refrigerating system schematic diagram of data center's liquid/gas binary channels of the present invention；
Fig. 2 is liquid cold passage refrigerating system connection diagram of the present invention.
The mark of each part is as follows in Fig. 1：
001st, liquid-cooled suit business device rack, 002, air-conditioning water supply branch pipe, 003, air-conditioning return branch, 004, the cold distribution of liquid it is single
Member, air-conditioning between 005, the cold maintenance unit of liquid, 006, row, 007, big hose, 008, internal circulation pump, 009, temperature control heat exchange it is single
Member, 010, plate type heat exchanger, 011, outer circulation pump, 012, go back to pendular ring road, 013, feed flow loop, 014, air-conditioning return main,
015th, air-conditioning water main, 016, freezing water distribution units, 017, wall, 018, the motor-driven valve of air cooling first, 019, the electricity of air cooling second
Dynamic valve, 020, the first motor-driven valve of bypass, 021, the second motor-driven valve of bypass, 022, cold first motor-driven valve of liquid, 023, cold second electricity of liquid
Dynamic valve, 024, outer circulation feed flow house steward, 025, outer circulation return liquid house steward, the 026, first bypass line, the 027, second bypass line,
028th, interior circulation feed flow house steward, 029, interior circulation return liquid house steward.
The mark of each part is as follows in Fig. 2：
001st, liquid-cooled suit business device rack, 102, feed flow branch pipe, 103, small hose, 104, snap joint, 105, return liquid
Branch pipe, 106, water-cooling type heat-pipe radiator, 007, big hose, 012, go back to pendular ring road, 013, feed flow loop.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to embodiment of the present invention
It is described in more detail.
Embodiment：
The direction of arrow represents the direction of liquid flowing in Fig. 1,2.
As depicted in figs. 1 and 2, the accurate high-efficiency refrigerating system of a kind of data center's liquid gas binary channels, including data center are micro-
Provided with some in the gentle cold passage refrigerating system of module computer room, liquid cold passage refrigerating system, data center's micromodule computer room
Liquid-cooled suit is engaged in device rack with some servers being arranged in liquid-cooled suit business device rack, and the server is provided with high heat flux core
Piece and some low-heat current density elements, carry out liquid cold scattered by liquid cold passage refrigerating system to the high heat flux chip of server
Heat, auxiliary heat dissipation is carried out by air cooling passage refrigerating system, and the air cooling of low-heat current density element is radiated, in addition to low-temperature receiver backup is other
Way system, the low-temperature receiver backup bypass system is connected to the gentle cold passage refrigerating system of liquid cold passage refrigerating system, for switching
The cooling medium of the gentle cold passage refrigerating system of liquid cold passage refrigerating system.
Wherein, the liquid cold passage refrigerating system includes internal circulation system and external circulating system, and the internal circulation system is adopted
Designed with double loop with journey, including feed flow loop 013 includes interior circulation feed flow with pendular ring road 012, the feed flow loop 013 is returned
House steward 028, and described time pendular ring road 012 includes interior circulation and return liquid house steward 029.The internal circulation system also includes what is be sequentially connected
The cold allocation unit 004 of water-cooling type heat-pipe radiator 106, liquid, the cold maintenance unit 005 of liquid, temperature control heat exchange unit 009, the water cooling
The cold allocation unit 004 of type heat-pipe radiator 106, liquid and the cold maintenance unit 005 of liquid are described in liquid-cooled suit business device rack 001
Temperature control heat exchange unit 009 includes internal circulation pump 008 and heat exchanger, and the heat exchanger is plate type heat exchanger 010；The liquid is cold to be safeguarded
Liquid house steward 029 is returned between unit 005 and internal circulation pump 008 by interior circulation to connect, the plate type heat exchanger 010 and the cold maintenance of liquid
Connected between unit 005 by interior circulation feed flow house steward 028.
The external circulating system includes cooling unit, outer circulation pump 011, connecting line and control system, the cooling
Unit includes cooling tower or dry and cold device.The cooling unit and outer circulation pump 011 are connected with plate type heat exchanger 010, by changing
Hot device realizes the transmission of inside and outside circulatory system heat, specifically passes through outer circulation between the cooling unit and plate type heat exchanger 010
Feed flow house steward 024 and outer circulation are returned liquid house steward 025 and connected, and the outer circulation pump 011 is located at cooling unit and plate type heat exchanger 010
Between and be connected by outer circulation feed flow house steward 024 with cooling unit and plate type heat exchanger 010；The plate type heat exchanger 010 with
Liquid house steward 025 is recycled back between cooling unit and outside provided with cold first motor-driven valve 022 of liquid, the outer circulation pump 011 with it is cold
But cold second motor-driven valve 023 of liquid is provided between unit and on outer circulating feeding liquid house steward 024.
The air cooling passage refrigerating system includes air-conditioning 006 and connecting line, institute between freezing water distribution units 004, row
Air-conditioning 006 is connected in data center's micromodule computer room, and with freezing water distribution units 016 between stating row, the freezing moisture
Air-conditioning 006 between cold water main unit, the row is connected to by the air-conditioning water main 015 of the sum of air-conditioning return main 014 with unit 016
The water of discharge is supplied water by air-conditioning water supply branch pipe 002 and is reclaimed by air-conditioning return branch 003, the air-conditioning water supply branch pipe 002 is connected
Air-conditioning water main 015, the air-conditioning return branch 003 is connected to air-conditioning return main 014；The freezing water distribution units
The first motor-driven valve of air cooling 018 is provided between 016 and cold water main unit and on air-conditioning return main 014, the chilled water distribution is single
The second motor-driven valve of air cooling 019 is provided between member 016 and cold water main unit and on air-conditioning water main 015.
Air-conditioning 006 is pacified between the cold allocation unit 004 of the water-cooling type heat-pipe radiator 106, liquid, the cold maintenance unit 005 of liquid, row
It is engaged in air-conditioning between device rack 001 and some row loaded on there are several liquid-cooled suits in data center's micromodule computer room, and in micromodule
006, it is divided into two row front doors and front door interval is installed, the space between two row racks forms closing cold passage；The temperature control heat exchange
Unit 009, outer circulation pump 011, control system, freezing water distribution units 016 are installed between data center apparatus, and the cooling is single
Member is installed on outdoor；The plate type heat exchanger 010 of temperature control heat exchange unit 009 isolates the inside and outside circulatory system, and interior circulation turns into enclosed system
System, liquid capacity is small, and a large amount of liquid cooling mediums of cooling unit will not enter in computer room；Freeze inside water distribution units 016
Each branch road is provided with valve, isolation air-conditioning water main 015, return main 014 and air-conditioning water supply branch pipe 002, return branch
003, and on demand to the distribution of air-conditioning 006 flow between each row, it is to avoid it is directly entered for a large amount of liquid cooling mediums of return main
Computer room causes potential safety hazard.
Wherein, the cold allocation unit 004 of the liquid is installed on server cabinet 001, feed flow branch pipe 102, time liquid branch pipe 105
Respectively with the point-to-point connection of water-cooling type heat-pipe radiator 106 being installed on each server, when single server breaks down,
Server maintenance can be carried out by the snap joint 104 of plug connection server water-cooling type heat-pipe radiator 106, not influence it
Its server is normally run；The cold maintenance unit 005 of liquid is installed in the lower section base of server cabinet 001, with data center
The server cabinet 001 of micromodule computer room is corresponded, in real time the flow of inlet water of monitoring correspondence rack, turnover water pressure and backwater
Temperature, the heat dissipating state of liquid-cooled suit business device rack 001 is fed back with this, can pass through liquid level maintenance unit when single rack breaks down
Valve (not shown) isolation whole cabinet in 005, does not influence other racks to run.Mark 17 is wall in figure.
Such as Fig. 1,2, feed flow loop 013 and go back to pendular ring road 012 and be arranged in micromodule computer room below raised flooring, for, return
Pendular ring road is connected in micromodule computer room by big hose 007 with the cold maintenance unit of liquid 005, and connects equipment by pipeline
Between temperature control heat exchange unit 009.The cold working medium of liquid is supplying, is returning pendular ring Lu Zhongke two-way flows, and this technology can realize each server
The equilibrium assignment of the cold working medium of interstitial fluid of rack 001, can realize the confession liquid back pipe road backup of liquid cold passage, further improve liquid cold again
Passage operational reliability.
Such as Fig. 2, the feed flow branch pipe 102 of the cold allocation unit 004 of liquid, return liquid branch pipe 105 and water-cooling type heat-pipe radiator 106 it
Between connected respectively by small hose 103 and snap joint 104, realize that liquid cooling medium is evenly distributed and the convenient dimension of server
Shield；Between the cold allocation unit 004 of liquid and the cold maintenance unit 005 of liquid, the cold maintenance unit 005 of liquid and feed flow loop 013, time liquid
Between loop 012, connected respectively by big hose 007, realize the conveying of cooling medium in confession, liquid back pipe road.It is described fast
Quick coupling 104 support hot plug, it is two-way do not leak, the big hose 007, small hose 103 realize flexible connection, it is simultaneous
Capacitive is good, substantially increases and safeguards convenience.
Such as Fig. 1,2, the water-cooling type heat-pipe radiator 106 are precisely efficient by the caloric value of server chips by heat pipe
Cooled plate is exported to, at the same time, the cold heat transferring medium of liquid is under the driving of internal circulation pump 008, from the cold feed flow loop 013 of liquid and greatly
Hose 007 enters the cold maintenance unit of liquid, then enters the cold allocation unit of liquid by big hose 007, then by small soft
Tube assembly 103 and snap joint 104 enter cooled plate, take away (heat after the heat that heat pipe absorbs from liquid-cooled suit business device chip
Server caloric value 65~90%) is accounted for, temperature rise passes sequentially through snap joint 104, small hose 103, big hose
007th, the cold maintenance unit 005 of liquid and big cold time pendular ring road 012 of the flow back fluid of hose 007, then pass through temperature control heat exchange unit 009
With external circulating system heat-shift, the heat that most server chips are produced at last is efficiently transferred to outdoor cooling unit and is dispersed into
In air, this process is all of natural cooling source, and completely without compressor cooling, energy-saving effect is notable.Air-conditioning between the row
006 by the gas circulation between server cabinet, what the chilled water absorbing liquid cold passage of its internal exchanger can not be taken away
After remaining distributed heat of server, by freezing water distribution units 016, cold water main unit evaporator is transferred heat to, through cold
The heat exchanger of air-conditioning 006 between arranging, so circulation are returned again to after the cooling of water main frame.Because the heat of server 65~90% is by liquid
Cold passage is taken away, and air-conditioning 006 and the thermal source air-supply nearby of the formation closing cold passage of server cabinet 001 between row, can be by air cooling
The air-conditioning temperature of passage brings up to more than 27 DEG C, so the refrigeration duty demand of air cooling passage is relatively low, higher temperature can be used
Chilled water as low-temperature receiver, heat exchange efficiency is higher, also possesses the possibility using cooling water natural cooling when environment temperature is relatively low
Property, further realize energy-conservation.
Such as Fig. 1, the low-temperature receiver backup bypass system includes the second motor-driven valve 021 of the first motor-driven valve of bypass 020 and bypass, institute
State the first motor-driven valve 020 of bypass and outer circulation feed flow house steward 024 and air-conditioning water main are connected to by the first bypass line 026
015, and the junction of the first bypass line 026 and outer circulation feed flow house steward 024 are located at plate type heat exchanger 010 and cooling unit company
Take between road, the junction of the first bypass line 026 and air-conditioning water main 015 be located at freeze water distribution units 016 with it is cold
Between water main frame connecting line；It is total that the second motor-driven valve 021 of the bypass is connected to outer circulation time liquid by the second bypass line 027
Pipe 025 and air-conditioning return main 014, the junction that the second bypass line 027 returns liquid house steward 025 with outer circulation are located at plate-type heat-exchange
Between device 010 and cooling unit connecting line, the second bypass line 027 and the junction of air-conditioning return main 014 are located at freezing
Between water distribution units 016 and cold water main unit connecting line.The system can switch liquid cold passage refrigerating system on demand and air cooling is logical
The cooling medium of road refrigerating system.
The external circulating system low-temperature receiver side of the liquid cold passage refrigerating system is supplied, have cold first motor-driven valve of liquid on liquid back pipe road
022nd, cold second motor-driven valve 023 of liquid；The air-conditioning of the air cooling passage refrigerating system connection freezing water distribution units 016 low-temperature receiver side
For having the first motor-driven valve of air cooling 018, the second motor-driven valve of air cooling 019 on, return main road.
Wherein, the external circulating system is equipped with control system, electronic with the first motor-driven valve 020 of the bypass, bypass second
Cold first motor-driven valve 022 of valve 021, liquid, cold second motor-driven valve 023 of liquid, the first motor-driven valve of air cooling 018, the second motor-driven valve of air cooling 019
(not shown) is electrically connected with, the control system can pass through according to liquid, gas binary channels refrigeration duty demand and variation of ambient temperature
Control to adjust the first motor-driven valve 020 of bypass, the second motor-driven valve 021 of bypass, cold first motor-driven valve 022 of liquid, cold second motor-driven valve of liquid
023rd, the first motor-driven valve of air cooling 018, the second motor-driven valve of air cooling 019, realize liquid/gas binary channels refrigerating system low-temperature receiver side cooling medium
Backup switching.
The control system of the external circulating system realizes that the principle of binary channels low-temperature receiver end cooling medium switching is：When outdoor ring
Border temperature is relatively low, air cooling passage load is smaller or during cold water main unit failure, the control system close air-conditioning supply, return main
The motor-driven valve 018,019 of air cooling first, second, opens first, second motor-driven valve 020,021 of bypass and carries out Flow-rate adjustment, utilize
The low-temperature cooling water obtained from liquid cold passage cooling unit by natural cooling, into freezing water distribution units 016, between row
Air-conditioning 006 provides cooling medium, and energy-saving effect is notable；When liquid cold passage load is larger, and cooling unit provides maximum cold
But ability, when still can not ensure server chips cooling requirements, the control system open first, second motor-driven valve 020 of bypass,
021 and Flow-rate adjustment is carried out, the low temperature chilled water auxiliary provided using cold water main unit solves liquid cold passage cooling unit can not band
The heat walked, improves system reliability；When the liquid cold passage cooling unit system failure, it can not ensure that server chips radiate completely
It is required that when, the control system close liquid cold passage external circulating system for liquid back pipe road cold first, second motor-driven valve 022 of liquid,
023, open first, second motor-driven valve 020,021 of bypass and carry out Flow-rate adjustment, the chilled water provided using cold water main unit is entered
The cold outer circulation of temperature control heat exchange unit 009 of liquid, realizes the proper heat reduction of server chips, further improves system reliability.
In summary, in the accurate high-efficiency refrigerating system of data center's liquid gas binary channels, liquid cold passage refrigerating system is used
To drain the heat of " high power consumption, hyperpyrexia metric density " component, air cooling passage refrigerating system is used for draining " low-power consumption, low-heat stream
The heat of density " component, and the control system of the external circulating system can be according to binary channels refrigeration duty demand and environment temperature
Degree change, controls to adjust low-temperature receiver backup bypass system and liquid/gas dual channel system low-temperature receiver side correspondence motor-driven valve, realizes liquid cold passage
The cooling medium backup switching of gentle cold passage refrigerating system low-temperature receiver end, further improves energy saving of system and reliability.The present invention
The problem of consumption of data center is big, heat island phenomenon is protruded, frame power density is low safe and reliable, accurate can be efficiently solved, and
And the deficiency of other liquid refrigeration techniques is avoided, be conducive to the further genralrlization of liquid refrigeration technique.
The present embodiment additionally provides a kind of accurate high efficiency refrigerating controlling party of data center's liquid gas binary channels based on said system
Method, relating generally to the rate-determining steps of the control system of external circulating system includes：When outdoor environment temperature is relatively low, air cooling passage load
During smaller or cold water main unit failure, the control system closes air-conditioning confession, the motor-driven valve of air cooling first, second of return main, beats
Drive first, second motor-driven valve of bypass and carry out Flow-rate adjustment, obtained using from liquid cold passage cooling unit by natural cooling
Low-temperature cooling water, into freezing water distribution units, provide cooling medium for air-conditioning between row；
When liquid cold passage load is larger, and cooling unit provides maximum one, can not still ensure server core
During piece cooling requirements, the control system opens first, second motor-driven valve of bypass and carries out Flow-rate adjustment, is carried using cold water main unit
The low temperature chilled water auxiliary of confession solves the heat that liquid cold passage cooling unit can not be taken away；
When the liquid cold passage cooling unit system failure, when can not ensure server chips cooling requirements completely, the control
System closes cold first, second motor-driven valve of liquid that liquid cold passage external circulating system supplies liquid back pipe road, opens the electricity of bypass first, second
Dynamic valve simultaneously carries out Flow-rate adjustment, and the chilled water provided using cold water main unit enters the cold temperature control heat exchange unit outer circulation of liquid, realizes clothes
The proper heat reduction of business device chip.
Claims (10)
1. a kind of accurate high-efficiency refrigerating system of data center's liquid gas binary channels, including data center's micromodule computer room, liquid cold passage
Some liquid-cooled suits business device rack is provided with the gentle cold passage refrigerating system of refrigerating system, data center's micromodule computer room and is set
Some servers being placed in liquid-cooled suit business device rack, the server is provided with high heat flux chip and some low-heat current densitys
Element, carries out liquid-cooling heat radiation to the high heat flux chip of server by liquid cold passage refrigerating system, is caused by air cooling passage
Cooling system carries out auxiliary heat dissipation, and the air cooling of low-heat current density element is radiated, it is characterised in that also including low-temperature receiver backup bypass system
System, the low-temperature receiver backup bypass system is connected to the gentle cold passage refrigerating system of liquid cold passage refrigerating system, cold for switching liquid
The cooling medium of the gentle cold passage refrigerating system of passage refrigerating system.
2. the accurate high-efficiency refrigerating system of data center's liquid gas binary channels according to claim 1, it is characterised in that the liquid
Cold passage refrigerating system includes internal circulation system and external circulating system, and the internal circulation system includes the water-cooling type heat being sequentially connected
The cold allocation unit of tube radiator, liquid, the cold maintenance unit of liquid and temperature control heat exchange unit, cold point of the water-cooling type heat-pipe radiator, liquid
With unit in liquid-cooled suit business device rack, the cold maintenance unit of liquid is described in base below liquid-cooled suit business device rack
Temperature control heat exchange unit includes internal circulation pump and heat exchanger；Liquid is returned by interior circulation between the cold maintenance unit of liquid and internal circulation pump
House steward connects, and is connected between the cold maintenance unit of heat exchanger and liquid by interior circulation feed flow house steward；The external circulating system bag
Cooling unit, outer circulation pump and control system are included, by outer circulation feed flow house steward and outside between the cooling unit and heat exchanger
Liquid house steward connection is recycled back to, the outer circulation pump is located between cooling unit and heat exchanger and passes through outer circulation feed flow house steward and it
Connect；Liquid house steward is recycled back between the heat exchanger and cooling unit and outside provided with cold first motor-driven valve of liquid, it is described outer
Cold second motor-driven valve of liquid is provided between circulating pump and cooling unit and on outer circulating feeding liquid house steward.
3. the accurate high-efficiency refrigerating system of data center's liquid gas binary channels according to claim 2, it is characterised in that in described
The circulatory system is designed using double loop with journey, including feed flow loop and time pendular ring road, and the feed flow loop includes interior circulation confession
Liquid house steward, described time pendular ring road includes interior circulation and returns liquid house steward.
4. the accurate high-efficiency refrigerating system of data center's liquid gas binary channels according to claim 2, it is characterised in that the gas
Cold passage refrigerating system includes air-conditioning between air-conditioning between freezing water distribution units and row, the row and is located at data center's micromodule computer room
It is interior, and be connected with freezing water distribution units, the freezing water distribution units are connected by air-conditioning return main and air-conditioning water main
The water that air-conditioning between cold water main unit, the row is supplied water by air-conditioning water supply branch pipe and discharge is reclaimed by air-conditioning return branch has been connect, it is described
Air-conditioning water supply branch pipe is connected to air-conditioning water main, and the air-conditioning return branch is connected to air-conditioning return main；The chilled water
The motor-driven valve of air cooling first, the freezing water distribution units are provided between allocation unit and cold water main unit and on air-conditioning return main
The motor-driven valve of air cooling second is provided between cold water main unit and on air-conditioning water main.
5. the accurate high-efficiency refrigerating system of data center's liquid gas binary channels according to claim 4, it is characterised in that described cold
Source backups bypass system includes the second motor-driven valve of the first motor-driven valve of bypass and bypass, and the motor-driven valve of bypass first is by by first
Siphunculus road is connected to outer circulation feed flow house steward and air-conditioning water main, and the first bypass line and the connection of outer circulation feed flow house steward
Place is located between heat exchanger and cooling unit connecting line, and the first bypass line and the junction of air-conditioning water main are located at freezing
Between water distribution units and cold water main unit connecting line；The second motor-driven valve of the bypass is connected to outer follow by the second bypass line
Loopback liquid house steward and air-conditioning return main, the junction that the second bypass line returns liquid house steward with outer circulation are located at heat exchanger and cooling
Between unit connecting line, the second bypass line and the junction of air-conditioning return main are located at freezing water distribution units and cold water master
Between machine connecting line.
6. the accurate high-efficiency refrigerating system of data center's liquid gas binary channels according to claim 5, it is characterised in that described outer
The control system of the circulatory system and the first motor-driven valve of the bypass, the second motor-driven valve of bypass, cold first motor-driven valve of liquid, liquid cold second
Motor-driven valve, the motor-driven valve of air cooling first, the motor-driven valve of air cooling second are electrically connected with, and the control system can be cold according to liquid, gas binary channels
Workload demand and variation of ambient temperature, it is electronic by controlling to adjust the first motor-driven valve of bypass, the second motor-driven valve of bypass, liquid cold first
Cold second motor-driven valve of valve, liquid, the motor-driven valve of air cooling first, the motor-driven valve of air cooling second, realize liquid gas binary channels refrigerating system low-temperature receiver side
The backup switching of cooling medium.
7. the accurate high-efficiency refrigerating system of data center's liquid gas binary channels according to claim 6, it is characterised in that the water
Air-conditioning is installed in data center's micromodule computer room between the cold allocation unit of cold mould heat-pipe radiator, liquid, the cold maintenance unit of liquid, row,
Air-conditioning is divided into two row front doors and front door interval is installed between described several liquid-cooled suits business device rack and some row, two row racks it
Between space formed closing cold passage；The temperature control heat exchange unit, outer circulation pump, control system, freezing water distribution units are installed
Between data center apparatus, the cooling unit is installed on outdoor；The heat exchanger of temperature control heat exchange unit isolates inside and outside cyclic system
System, freezing water distribution units isolation air-conditioning is for return main and air-conditioning for return branch and on demand to air-conditioning distribution stream between each row
Amount.
8. the accurate high-efficiency refrigerating system of data center's liquid gas binary channels according to claim 7, it is characterised in that described
For, return each branch pipe of liquid and the water-cooling type heat-pipe radiator point-to-point connection that is installed on each server；The liquid is cold to safeguard single
Member and the liquid-cooled suit business device rack of data center's micromodule computer room are corresponded.
9. the accurate high-efficiency refrigerating system of data center's liquid gas binary channels according to claim 6 to 8 any one, its feature
As for the rate-determining steps of the control system are including as follows：
When outdoor environment temperature is relatively low, air cooling passage load is smaller or during cold water main unit failure, the control system closes air-conditioning
For the motor-driven valve of air cooling first, second of, return main, open first, second motor-driven valve of bypass and simultaneously carry out Flow-rate adjustment, using come
The low-temperature cooling water obtained from liquid cold passage cooling unit by natural cooling, into freezing water distribution units, for air-conditioning between row
Cooling medium is provided；
When liquid cold passage load is larger, and cooling unit provides maximum one, can not still ensure that server chips dissipate
During heat request, the control system opens first, second motor-driven valve of bypass and carries out Flow-rate adjustment, is provided using cold water main unit
Low temperature chilled water auxiliary solves the heat that liquid cold passage cooling unit can not be taken away；
When the liquid cold passage cooling unit system failure, when can not ensure server chips cooling requirements completely, the control system
Cold first, second motor-driven valve of liquid that liquid cold passage external circulating system supplies liquid back pipe road is closed, first, second motor-driven valve of bypass is opened
And Flow-rate adjustment is carried out, the chilled water provided using cold water main unit is entered the cold temperature control heat exchange unit outer circulation of liquid, realizes server
The proper heat reduction of chip.
10. a kind of accurate highly effective refrigeration control method of data center's liquid gas binary channels, it is characterised in that using such as claim 6
To the accurate high-efficiency refrigerating system of data center's liquid gas binary channels described in 8 any one, wherein the rate-determining steps bag of control system
Include as follows：
When outdoor environment temperature is relatively low, air cooling passage load is smaller or during cold water main unit failure, the control system closes air-conditioning
For the motor-driven valve of air cooling first, second of, return main, open first, second motor-driven valve of bypass and simultaneously carry out Flow-rate adjustment, using come
The low-temperature cooling water obtained from liquid cold passage cooling unit by natural cooling, into freezing water distribution units, for air-conditioning between row
Cooling medium is provided；
When liquid cold passage load is larger, and cooling unit provides maximum one, can not still ensure that server chips dissipate
During heat request, the control system opens first, second motor-driven valve of bypass and carries out Flow-rate adjustment, is provided using cold water main unit
Low temperature chilled water auxiliary solves the heat that liquid cold passage cooling unit can not be taken away；
When the liquid cold passage cooling unit system failure, when can not ensure server chips cooling requirements completely, the control system
Cold first, second motor-driven valve of liquid that liquid cold passage external circulating system supplies liquid back pipe road is closed, first, second motor-driven valve of bypass is opened
And Flow-rate adjustment is carried out, the chilled water provided using cold water main unit is entered the cold temperature control heat exchange unit outer circulation of liquid, realizes server
The proper heat reduction of chip.
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