CN106255387B - Cooling system and data center - Google Patents
Cooling system and data center Download PDFInfo
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- CN106255387B CN106255387B CN201610799337.2A CN201610799337A CN106255387B CN 106255387 B CN106255387 B CN 106255387B CN 201610799337 A CN201610799337 A CN 201610799337A CN 106255387 B CN106255387 B CN 106255387B
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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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal management, e.g. server temperature control
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- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of cooling system and data centers.Wherein, which includes: liquid cooling cabinet, and for storing the first refrigerant, the first refrigerant is used to absorb the heat for the equipment being immersed in liquid cooling cabinet, so that equipment cools down；Radiating module is connect with liquid cooling cabinet, and for storing the second refrigerant, the second refrigerant is used to absorb the heat of the first refrigerant, so that the first refrigerant cools；Condenser is connect with radiating module, for making the second refrigerant exothermic condensation.The present invention solve in the related technology cooling system to relevant device cool down when, the high technical problem of radiation energy consumption.
Description
Technical field
The present invention relates to data center fields, in particular to a kind of cooling system and data center.
Background technique
With the development of digital times, point of the large enterprises such as small minuscule-type-enterprise and government, finance, education, the energy
Branch mechanism increasingly increases the demand of the analysis and processing of data.Although the data volume of website or branch is unlike general headquarters
Data it is so huge, but the basic function of data center computer room is indispensable.For such application environment, have quick
Deployment, the flexible primary demand of dilatation；Information technoloy equipment quantity needed for this small-sized data center is few, and such as required outfit is set
Have backup power source, distribution, heat dissipation, IT cabinet etc..Each equipment of conventional data centers computer room is independently placed, the space for its deployment needed
It is larger, and deployment cycle is long, high construction cost, can not meet requirement of the client to small-sized data center machine room.
Patent CN104540350A discloses a kind of miniature data center design method.The program uses air-conditioning heat dissipation system
For information technoloy equipment cooling, works together with the fan in information technoloy equipment by air-conditioning system, pass through circulating information technoloy equipment for air
The heat that inner heat original part comes out is taken away, then passes through vapor-compression refrigerant cycle by heat dissipation into external environment,
To achieve the purpose that heat dissipation.Traditional air-conditioning system has following apparent defect: first, due to air heat conduction efficiency
It is very low, guarantee that the supply air temperature needed for server operates normally must control a lower temperature (18-22 DEG C), in order to reach
It must be realized to this temperature by refrigeration compressor, and refrigeration compressor operation can generate additional energy consumption, which results in
Energy consumption needed for existing data center's heat dissipation is higher；Second, air-conditioning system also has very high requirement to the clean level of air,
Dust, nitrogen oxides, oxysulfide in air etc. can make the rising of information technoloy equipment failure rate, the lost of life；In addition, in air-conditioning system
Air circulation quickly, the fan in fan and supply air system in information technoloy equipment run at high speed not only consume a large amount of energy and
And very big noise can be generated.
In view of the above-mentioned problems, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of cooling system and data centers, at least to solve cooling system in the related technology
When cooling down to relevant device, the high technical problem of radiation energy consumption.
According to an aspect of an embodiment of the present invention, a kind of cooling system is provided comprising, liquid cooling cabinet, for depositing
The first refrigerant is stored up, above-mentioned first refrigerant is used to absorb the heat for the equipment being mounted in above-mentioned liquid cooling cabinet, so that above equipment
Cooling；Radiating module is connect with above-mentioned liquid cooling cabinet, and for storing the second refrigerant, above-mentioned second refrigerant is for absorbing above-mentioned the
The heat of one refrigerant, so that above-mentioned first refrigerant cools；Condenser is connect with above-mentioned radiating module, for making above-mentioned
Two refrigerant exothermic condensations.
Further, above-mentioned radiating module includes: evaporator, is connected with above-mentioned liquid cooling cabinet by the first refrigerant circulation pipeline
It connects, for storing above-mentioned second refrigerant；Circulating pump is arranged on above-mentioned first refrigerant circulation pipeline, for driving above-mentioned first
Refrigerant circulates between above-mentioned liquid cooling cabinet and above-mentioned evaporator.
Further, one or more imports are provided on above-mentioned liquid cooling cabinet, connected with above-mentioned first refrigerant circulation pipeline
It connects, so that above-mentioned first refrigerant enters above-mentioned liquid cooling cabinet；One or more outlet, connects with above-mentioned first refrigerant circulation pipeline
It connects, so that above-mentioned first refrigerant is excluded from above-mentioned liquid cooling cabinet.
Further, above-mentioned cooling system further include: temperature sensor is arranged on above-mentioned first refrigerant circulation pipeline,
For detecting the out temperature and/or indoor environment temperature of above-mentioned liquid cooling cabinet coolant liquid；And/or liquid level sensor, setting
In above-mentioned liquid cooling cabinet, for detecting the liquid level of above-mentioned first refrigerant in above-mentioned liquid cooling cabinet；And/or pressure inverting
Device is arranged in above-mentioned evaporator, for detecting the operating pressure of above-mentioned second refrigerant in above-mentioned evaporator；Control module is used
In the parameter that the above-mentioned temperature sensor of collection and/or above-mentioned liquid level sensor and/or above-mentioned pressure transmitter detect, and/or,
For the automatic running of the circulating pump according to the state modulator, blower, and/or, for long-range according to the state modulator
The fault alarm function of communication and the cooling system.
Further, above-mentioned cooling system further include: Power entry module, for each component and IT in above-mentioned cooling system
Equipment power supply.
Further, above-mentioned Power entry module uses the power supply mode of UPS redundant parallel.
Further, above-mentioned condenser includes: a plurality of flat tube, and one or more runner is equipped in every flat tube, and
It is installed with fin outside above-mentioned flat tube, above-mentioned second refrigerant flows in above-mentioned runner；Fan, it is above-mentioned flat for driving air to flow through
The heat of above-mentioned second refrigerant is taken away on the surface of flat pipe, so that above-mentioned second refrigerant exothermic condensation.
Further, above-mentioned cooling system further include: the second refrigerant circulation pipeline, for connect above-mentioned radiating module with
Condenser is stated, above-mentioned second refrigerant is circulated.
Further, above-mentioned first refrigerant is the coolant liquid of insulation and/or above-mentioned second refrigerant is phase-change working substance.
According to another aspect of an embodiment of the present invention, a kind of data center is additionally provided comprising: any of the above-described is above-mentioned
Cooling system；Equipment is mounted in the liquid cooling cabinet of above-mentioned cooling system, and the first refrigerant being immersed in above-mentioned liquid cooling cabinet
In.
Further, above equipment is information technoloy equipment, and above-mentioned cooling system includes: intelligent power distribution module, with above-mentioned IT
Equipment connection, for the operating parameter of the information technoloy equipment to be powered and monitored for information technoloy equipment.
It in embodiments of the present invention, include the cooling system such as lower component: liquid cooling by design using liquid-cooling heat radiation principle
Cabinet, for storing the first refrigerant, the first refrigerant is used to absorb the heat for the equipment being mounted in liquid cooling cabinet, so that equipment drops
Temperature；Radiating module is connect with liquid cooling cabinet, and for storing the second refrigerant, the second refrigerant is used to absorb the heat of the first refrigerant, with
The first refrigerant is set to cool；Condenser is connect with radiating module, for making the second refrigerant exothermic condensation, due to liquid-cooling heat radiation
It is free cooling procedure, itself does not need to consume excessive energy, it is achieved that reduces the technical effect of radiation energy consumption, in turn
Solve in the related technology cooling system to relevant device cool down when, the high technical problem of radiation energy consumption.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings,
Fig. 1 is a kind of structural schematic diagram of optional data center according to an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of optional cooling system according to an embodiment of the present invention；
Fig. 3 is the schematic diagram that a kind of optional distribution system according to an embodiment of the present invention is constituted.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
It covers and non-exclusive includes.
Embodiment 1
One side according to an embodiment of the present invention additionally provides a kind of data center.
Fig. 1 is a kind of structural schematic diagram of optional data center according to an embodiment of the present invention, as shown in Figure 1, the number
It include: cooling system according to center 100；Equipment 106 is mounted in the liquid cooling cabinet 101 of cooling system, and is immersed in liquid cooling cabinet
In the first refrigerant in 101.Wherein, as shown in Figure 1, cooling system includes: radiating module 102, Power entry module 103 controls mould
Block 104, the second refrigerant circulation pipeline 202.
Liquid cooling cabinet 101 is used for deployment facility, can be the space 42U (can need to expand or shrink according to client).Liquid cooling
Cabinet can be horizontally disposed, and equipment 106 can be placed vertically in cabinet.
The data center is a kind of modular, highly integrated and energy-saving and environment-friendly small-scale liquid cold data center.It is entire small
Type liquid cooling data center includes liquid cooling cabinet, radiating module, Power entry module and automatic control module (i.e. control module 104), with
And equipment.Small-scale liquid cold data center is complete machine factory, and installation and debugging work is completed before dispatching from the factory.In this way convenient for the quick portion in scene
Administration, and construction cost can be greatly reduced.
Optionally, equipment is information technoloy equipment, elaborates the present invention by taking information technoloy equipment as an example below.Corresponding, cooling system is also
Include: intelligent power distribution module 107 (i.e. intelligence PDU), is connect with information technoloy equipment, for monitoring the operating parameter of information technoloy equipment.Its
In, the operating parameter for monitoring information technoloy equipment can be but not limited to the parameters such as the electric current, power, power factor (PF) of information technoloy equipment.
It through the embodiment of the present invention, include the cooling system such as lower component: liquid cooling by design using liquid-cooling heat radiation principle
Cabinet, for storing the first refrigerant, the first refrigerant is used to absorb the heat for the equipment being mounted in liquid cooling cabinet, so that equipment drops
Temperature；Radiating module is connect with liquid cooling cabinet, and for storing the second refrigerant, the second refrigerant is used to absorb the heat of the first refrigerant, with
The first refrigerant is set to cool；Condenser is connect with radiating module, for making the second refrigerant exothermic condensation, due to liquid-cooling heat radiation
It is free cooling procedure, itself does not need to consume excessive energy, it is achieved that reduces the technical effect of radiation energy consumption, in turn
Solve in the related technology cooling system to relevant device cool down when, the high technical problem of radiation energy consumption.In addition, using the data
Center can be shortened data center and obtain the construction period and reduce scene convenient for the standardized production, Fast Installation and deployment of equipment
Project amount.This system can realize the deployment of information technoloy equipment, information technoloy equipment operational management, heat dissipation and environmental surveillance, power supply and distribution, long-range prison
Control, is data center's solution of complete set.
It should be noted that cooling system involved in embodiment 1 is identical as cooling system in embodiment 2, will implement
It is described in detail in example 2, details are not described herein.
Embodiment 2
According to embodiments of the present invention, a kind of embodiment of cooling system is provided.
Fig. 2 is a kind of structural schematic diagram of optional cooling system according to an embodiment of the present invention, as shown in Fig. 2, this is dissipated
Hot systems include liquid cooling cabinet 101, and for storing the first refrigerant, the first refrigerant is mounted in liquid cooling cabinet 101 for absorbing
The heat of equipment, so that equipment cools down；Radiating module 102 is connect with liquid cooling cabinet 101, and for storing the second refrigerant, second is cold
Matchmaker is used to absorb the heat of the first refrigerant, so that the first refrigerant cools；Condenser 201 is connect with radiating module 102, is used
In making the second refrigerant exothermic condensation.
That is, cooling system include the condenser 201 being located outside and be located at indoor radiating module 102 and liquid cooling machine
Cabinet 101.In use, liquid cooling cabinet 101 is for storing the equipment that need to be radiated, 101 have filled with the first refrigerant in liquid cooling cabinet,
Equipment is immersed in the first refrigerant, it should be noted that the equipment can be completely submerged in the first refrigerant, when the first refrigerant not
Enough, when but not influencing work, equipment can also be partially immersed in the first refrigerant.Cooling system can configure the superfluous of 2N as needed
It is remaining, to guarantee the reliability of system.
Wherein, the second refrigerant can be phase-change working substance, and the effect of condenser 201 is that gaseous phase-change working substance is condensed into liquid
State, and by the heat dissipation released in condensation process into air.It should be noted that the heat dissipation of the second refrigerant has used freedom
Cooling technology: i.e. for the second refrigerant in evaporator interior suction thermal evaporation, gaseous second refrigerant is heated to ascend into condenser, is condensing
Second refrigerant of the second refrigerant exothermic condensation in device, liquid flows back in evaporator by self gravity, completes one and completely dissipates
Thermal cycle.
It in embodiments of the present invention, include the cooling system such as lower component: liquid cooling by design using liquid-cooling heat radiation principle
Cabinet, for storing the first refrigerant, the first refrigerant is used to absorb the heat for the equipment being mounted in liquid cooling cabinet, so that equipment drops
Temperature；Radiating module is connect with liquid cooling cabinet, and for storing the second refrigerant, the second refrigerant is used to absorb the heat of the first refrigerant, with
The first refrigerant is set to cool；Condenser is connect with radiating module, for making the second refrigerant exothermic condensation, due to liquid-cooling heat radiation
It is free cooling procedure, itself does not need to consume excessive energy, it is achieved that reduces the technical effect of radiation energy consumption, in turn
Solve in the related technology cooling system to relevant device cool down when, the high technical problem of radiation energy consumption.
Optionally, as shown in Fig. 2, radiating module 102 includes: evaporator 203, pass through the first refrigerant with liquid cooling cabinet 101
Circulating line 205 connects, for storing the second refrigerant；Circulating pump 204 is arranged on the first refrigerant circulation pipeline 205, for driving
Dynamic first refrigerant circulates between liquid cooling cabinet 101 and evaporator 203.
Wherein, the heat exchanger that evaporator 203 exchanges for realizing the first refrigerant with the heat of the second refrigerant；Circulating pump 204
(i.e. the first refrigerant circulation pump) is for driving the first refrigerant to circulate between liquid cooling cabinet 101 and evaporator 203；First is cold
Matchmaker's circulating line 205 is used to connect the pipeline of evaporator 203 Yu liquid cooling cabinet 101, also, the setting of circulating pump 204 is cold first
On matchmaker's circulating line 205.
Optionally, one or more imports are provided on liquid cooling cabinet, are connect with the first refrigerant circulation pipeline, so that the
One refrigerant enters liquid cooling cabinet；One or more outlet, connect with the first refrigerant circulation pipeline, so that the first refrigerant is from liquid cooling machine
It is discharged in cabinet.
Specifically, the first refrigerant is filled in liquid cooling cabinet, the first refrigerant flows through information technoloy equipment from import and absorbs IT in cabinet
The heat (raising of the first refrigerant temperature) that equipment generates.Liquid inlet and outlet on cabinet passes through the first refrigerant circulation pipeline and circulation
Pump, evaporator are connected, and the first refrigerant circulates under the driving of circulating pump in evaporator and liquid cooling rack room.In evaporator
In, the first refrigerant releases heat (reduction of the first refrigerant temperature), and the second refrigerant absorbs heat and vaporizes.
Optionally, as shown in Fig. 2, above-mentioned cooling system further include: temperature sensor 206 is arranged in the first refrigerant circulation
On pipeline 205, for detecting the out temperature of the first refrigerant of liquid cooling cabinet, it should be noted that in embodiments of the present invention,
Temperature sensor 206 can also be arranged on condenser, for detecting outdoor environment temperature；And/or liquid level sensor 208, if
It sets in liquid cooling cabinet 101, for detecting the liquid level of the first refrigerant in liquid cooling cabinet 101；And/or pressure transmitter 207,
It is arranged in evaporator 203, for detecting the operating pressure of the second refrigerant in evaporator 203；Control module 104, for collecting
The parameter that temperature sensor 206 and/or liquid level sensor 208 and/or pressure transmitter 207 detect.In addition, control module
104 include: human-computer interaction interface, PLC, frequency converter, control circuit, communication module and frequency converter.Automatic control module is received automatically
Power when collecting system is run and environmental parameter and feed back to remote supervisory and controlling equipment.
Specifically, temperature sensor is used to detect the out temperature and outdoor environment temperature of liquid cooling cabinet coolant liquid, liquid
Height of liquid level of the level sensor for coolant liquid in detecting box, pressure transmitter are used to detect the evaporating pressure of phase-change working substance, this
The information of collection is fed back to control module by a little sensors.Control module controls condenser wind further according to detected parameter
The converting operation of fan and the first refrigerant circulation pump makes cooling system while guaranteeing that information technoloy equipment normally radiates with the most economical
Energy-efficient mode operation.Control module is by the running power of auto-collection system and environmental parameter, wherein equipment operating parameter
It include: condenser fan, the first refrigerant circulation pump, UPS, the working voltage of information technoloy equipment, electric current, power, power factor (PF) and work
State；Environmental parameter includes liquid level in the first refrigerant import and export temperature, the second refrigerant operating pressure, outdoor environment temperature, cabinet
Highly.These parameters will be by network-feedback to remote supervisory and controlling equipment, and operation maintenance personnel remotely can also carry out pipe to the operation of information technoloy equipment
Reason.When these parameters occur abnormal, automatic control system will be judged and issue failure alarm.
For example, can illustrate that this is small-sized to synthesize conduction oil as coolant liquid, for R22 is as the system of phase-change working substance
The course of work of the cooling system of liquid cooling data center is as follows: with synthesizing thermally conductive oil-insulation, anti-oxidant, nontoxic corrosion-free, difficult
The information technoloy equipment for removing fan, is immersed in the liquid for filling conduction oil by the characteristics such as combustion, good fluidity (kinematic viscosity is low), thermal conductivity height
In cold cabinet.Information technoloy equipment gives off heat and will be passed in conduction oil by heat convection when working.Conduction oil is in liquid cooling cabinet
It circulates, makes every information technoloy equipment that can obtain uniformly and rapidly radiating.
After tested, the temperature of conduction oil controls the normal fortune that can guarantee information technoloy equipment at 50 DEG C or so in liquid cooling system
Turn, therefore the import/export temperature of conduction oil may be set to 45/50 DEG C.
When system is run, 45 DEG C of conduction oil passes through coolant liquid circulating line (i.e. under the driving that the first refrigerant circulation pumps
First refrigerant circulation pipeline) enter liquid cooling cabinet, conduction oil absorbs temperature after the heat that information technoloy equipment is given out in liquid cooling cabinet
Degree rises to 50 DEG C.50 DEG C of conduction oil enters in evaporator using coolant liquid circulating line, and conduction oil is put in evaporator
Thermal temperature is down to 45 DEG C from 50 DEG C out and the phase-change working substance R22 of liquid heat absorption evaporation becomes gaseous state.Conduction oil warp after cooling
Supercooling liquid circulating line returns to liquid cooling cabinet, continues to absorb the heat that information technoloy equipment is issued.It, will according to the substance characteristics of R22
System controls pressure in 1648kpa, and the evaporating temperature of R22 is 43 DEG C at this time.43 DEG C of R22 liquid is absorbing in evaporator
43 DEG C of gas is evaporated to after heat in conduction oil, R22 steam passes through phase-change working substance pipeline (i.e. the second refrigerant circulation pipeline)
Into in the condenser being located outside.43 DEG C of R22 steam releases heat and again to the air of environment temperature within the condenser
It is condensed into 43 DEG C of liquid, the fan forced air on condenser is quickly flowed across from the outer surface of heat exchanger tube, strengthens R22 and sky
The heat exchange of gas.R22 liquid is flowed back in evaporator again by phase-change working substance pipeline due to the effect of self gravity and is completed after condensation
One complete heat dissipation circulation.
System load design is according to most harsh operating condition design, so the maximum of system radiates under general environment
Ability can be greater than the generation speed of heat, and at this time automatic control module can pass through coolant liquid out temperature, environment temperature etc.
Parameter pumps the first refrigerant circulation and condenser fan carries out frequency control, and cooling system heat dissipation capacity is made to be equal to the fever of information technoloy equipment
Amount.Automatic control module constantly passes through PID control, keeps cooling system consumption while guaranteeing that information technoloy equipment works normally minimum
Electricity.
Optionally, as shown in Figure 1, cooling system further include: Power entry module 103, for each component in cooling system
Power supply.Wherein, herein, as shown in figure 3, each component can include but is not limited to the first refrigerant circulation pump, condenser fan, intelligence
Power distribution module (i.e. intelligence PDU) etc..In addition, the information technoloy equipment being mounted in liquid cooling cabinet can be supplied by intelligent power distribution module
Electricity, information technoloy equipment can include but is not limited to server, network switch etc..Since the first refrigerant circulation pump and condenser fan are equal
It is equipped with frequency converter, this makes circulation this kind of inductive load of Pumps & Fans that UPS power supply also can be used, when ensure that commercial power interruption
Cooling system remains to work normally.
Optionally, Power entry module uses the power supply mode of UPS redundant parallel.As shown in figure 3, Power entry module is superfluous using UPS
The power supply mode of Yu Bingji, alternating current (i.e. municipal administration power supply) input first passes through UPS, after the rectified filtering of alternating current, on the one hand through inversion
Become pure 50Hz, 220V exchange electricity output afterwards；On the other hand charged device output direct current supplies electricity to battery charging.In city
When electricity interrupts, is continued to output by the alternating current that battery group is reverse into 220V, 50Hz through inverter circuit, ensure that small-sized liquid cooling number
According to the reliability of center feed.
Power entry module uses the power supply mode of UPS redundant parallel, on the one hand, under normal circumstances by mains-supplied, alternating current is disconnected
It is powered when electric using UPS battery, improves the reliability of power supply system, guarantee data center's power supply；On the other hand, when alternating current powers off
UPS battery can not only power for information technoloy equipment, while corresponding continuation of the journey can also be provided for radiating module, avoid stopping due to cooling system
Only operation causes information technoloy equipment to overheat.
Optionally, condenser includes: a plurality of flat tube, and one or more runner, and flat tube are equipped in every flat tube
It is installed with fin outside, the second refrigerant flows in runner；It is cold to take away second for driving air to flow through the surface of flat tube for fan
The heat of matchmaker, so that the second refrigerant exothermic condensation.
Wherein, which uses condenser of the microchannel air cooling heat exchanger as phase-change working substance.This heat exchanger by
N flat tube composition of number, flat tube is interior to be equipped with the number subtle runner of N item again, is installed with fin outside flat tube.Gaseous second refrigerant exists
Microchannel in flat tube is flowed from top to down, and heat is released in flow process and is condensed into liquid, the air outside flat tube exists
The driving flows through conduit outer surface of fan and the heat for taking away the releasing of the second refrigerant.Compared with general coiled tube condenser, this
Kind heat exchanger has heat exchange efficiency height, the small feature of Working fluid flow resistance.
Optionally, as shown in Fig. 2, cooling system further include: the second refrigerant circulation pipeline 202, for connecting radiating module
102 with condenser 201, the second refrigerant is circulated.
Optionally, the first refrigerant is the coolant liquid of insulation and/or the second refrigerant is phase-change working substance.
Wherein, the first refrigerant is the coolant liquid with insulation effect, is not short-circuited so that equipment is immersed in coolant liquid.This
Outside, the first refrigerant can also have the spies such as anti-oxidant, nontoxic corrosion-free, fire retardant, good fluidity (kinematic viscosity is low), thermal conductivity height
Property, for example, the first refrigerant can be but not limited to conduction oil, electronics fluorination liquid (perfluoropolyether, perfluocarbon etc.), for absorbing
It is mounted on the heat of the equipment in liquid cooling cabinet, to achieve the effect that heat dissipation.Second refrigerant is phase-change working substance, the phase-change working substance
When change of pressure, boiling point can change therewith, so that the boiling point of phase-change working substance is maintained one by controlling operating pressure
Determine in temperature range.Constantly is reduced by thermal evaporation and within the condenser exothermic condensation in evaporator using phase-change working substance
The temperature of one refrigerant, and by heat dissipation into environment, this radiation processes is entirely spontaneous progress, energy that should not be additional
Consumption.For example, the second refrigerant can be but not limited to refrigerant R22 (monochlorodifluoromethane), R410A (50%R32 (difluoromethane)
With 50%R125 (pentafluoroethane)), the suitable other materials of boiling points such as R134A (HFA 134a), second refrigerant
For absorbing the heat of the first refrigerant, so that the first refrigerant cools, to achieve the effect that transmit heat.
In addition, filling soft metal heat-conducting interface material between CPU and CPU radiating fin on all information technoloy equipments.Soft metal
Hardness is very low, and CPU and CPU radiating fin can be sufficient filling with the gap between CPU and CPU radiating fin after compressing.Due to metal material
Thermal coefficient with higher, soft metal heat-conducting interface material can strengthen the heat transfer between CPU and CPU radiating fin, improve CPU's
Heat dissipation.Specifically, which can be but not limited to indium sheet.
In addition, the information technoloy equipment in all liquid cooling cabinets need to remove fan, and fan simulator is added, to ensure information technoloy equipment
Etc. equipment remain to normally start after removing fan, in addition, remove fan after, can reduce 15%-20% information technoloy equipment operation
Power consumption.
The cooling system combined present invention employs free cooling technology with immersion liquid cooling technology is existing to replace
Information technoloy equipment is immersed in the coolant liquid (the first refrigerant) of insulation by air-conditioning refrigeration system, passes through the recycle stream of pump driving coolant liquid
Move to take away the heat of information technoloy equipment generation, then by phase-change working substance (the second refrigerant) by thermal evaporation and exothermic condensation by information technoloy equipment
The heat dissipation of sending is into environment.Specifically, since the heat transfer efficiency of coolant liquid is much higher than air, coolant temperature only needs to control
System can guarantee that information technoloy equipment operates normally 45 DEG C (can adjust between 40-50 DEG C as needed).In such a system, existing sky
Modulating information technoloy equipment fan and air conditioner system air blast fan in cooling system will be substituted by a low power circulating pump, cooling system
Using free cooling technology, refrigeration compressor is also no longer needed to configure, this not only reduces the radiation energy consumption of data center, simultaneously
Significantly reduce the noise generated when system operation.Further, since using immersion liquid cooling technology, coolant liquid has completely cut off IT and has set
The standby contact with air, coolant liquid can protect information technoloy equipment from the influence of harmful substance in air, improve the operation of information technoloy equipment
Reliability.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of cooling system characterized by comprising
Liquid cooling cabinet, for storing the first refrigerant, first refrigerant is for absorbing the equipment being immersed in the liquid cooling cabinet
Heat so that the equipment cool down；
Radiating module is connect with the liquid cooling cabinet, and for storing the second refrigerant, second refrigerant is for absorbing described first
The heat of refrigerant, so that first refrigerant cools；
Condenser is connect with the radiating module, for making the second refrigerant exothermic condensation,
Wherein, first refrigerant is the coolant liquid of insulation, and the equipment is immersed in first refrigerant, wherein the liquid
There are inlet and liquid outlet on cold cabinet, is connect by the first refrigerant circulation pipeline with the radiating module；
Wherein, the radiating module includes circulating pump, is arranged on the first refrigerant circulation pipeline, for driving described first
Refrigerant circulates between the liquid cooling cabinet and the radiating module,
The condenser includes: flat tube, interior to be equipped with one or more runner, and is installed with fin outside the flat tube, described
Second refrigerant flows in the runner；It is cold to take away described second for driving air to flow through the surface of the flat tube for fan
The heat of matchmaker, so that the second refrigerant exothermic condensation,
Soft metal heat-conducting interface material, the equipment Removal wind are filled after compressing between CPU and CPU radiating fin in the equipment
Fan, and fan simulator is added.
2. cooling system according to claim 1, which is characterized in that the radiating module includes:
Evaporator is connect with the liquid cooling cabinet by the first refrigerant circulation pipeline, for storing second refrigerant,
Wherein, the circulating pump, for driving first refrigerant recycle stream between the liquid cooling cabinet and the evaporator
It is dynamic.
3. cooling system according to claim 2, which is characterized in that the cooling system further include:
Temperature sensor is arranged on the first refrigerant circulation pipeline, for detecting the disengaging of the liquid cooling cabinet coolant liquid
Mouth temperature；And/or
Liquid level sensor is arranged in the liquid cooling cabinet, for detecting the liquid level of the first refrigerant described in the liquid cooling cabinet
Highly；And/or
Pressure transmitter is arranged in the evaporator, for detecting the operating pressure of the second refrigerant described in the evaporator；
Control module, for collecting the temperature sensor and/or the liquid level sensor and/or pressure transmitter detection
The parameter arrived, and/or, for the automatic running of the circulating pump according to the state modulator, blower, and/or, for according to institute
State the fault alarm function of state modulator telecommunication and the cooling system.
4. cooling system according to claim 1, which is characterized in that the cooling system further include:
Power entry module uses the power supply mode of UPS redundant parallel, for powering to each component in the cooling system.
5. cooling system according to claim 1, which is characterized in that the cooling system further include:
Second refrigerant circulation pipeline enables second refrigerant to follow for connecting the radiating module and the condenser
Circulation is dynamic.
6. cooling system according to any one of claim 1 to 5, which is characterized in that second refrigerant is Xiang Biangong
Matter.
7. a kind of data center characterized by comprising
Cooling system described in any one of claims 1 to 6；
Equipment is mounted in the liquid cooling cabinet of the cooling system, and in the first refrigerant being immersed in the liquid cooling cabinet.
8. data center according to claim 7, which is characterized in that the equipment is information technoloy equipment, in the cooling system
In further include Power entry module, the Power entry module includes:
Intelligent power distribution module is connect with the information technoloy equipment, for the operation of the information technoloy equipment to be powered and monitored for information technoloy equipment
Parameter.
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