CN206330319U - Data center's energy-conserving refrigeration system - Google Patents
Data center's energy-conserving refrigeration system Download PDFInfo
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- CN206330319U CN206330319U CN201621457270.6U CN201621457270U CN206330319U CN 206330319 U CN206330319 U CN 206330319U CN 201621457270 U CN201621457270 U CN 201621457270U CN 206330319 U CN206330319 U CN 206330319U
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Abstract
A kind of data center's energy-conserving refrigeration system, the refrigeration system includes compressor, condenser, fluid reservoir, turbo-expander, motor and evaporator, the motor is connected to start the compressor with the compressor, the compressor, condenser, fluid reservoir, turbo-expander, evaporator are sequentially connected and form a circulation, the evaporator is configured to carry out recuperated cycle with data center's rack, make it that the evaporator absorbs the heat of data center's rack.The refrigeration system of the present invention can reduce the energy consumption of data center, improve data center's energy utilization rate, lift coefficient of refrigerating performance, reach the purpose of energy-conservation.
Description
Technical field
The present invention relates to a kind of refrigeration system, more particularly to a kind of data center's section for being effectively reduced consumption of data center
Can refrigeration system.
Background technology
Data center is in addition to computer system and other corollary equipments, also including distribution, refrigeration, fire-fighting, monitoring etc.
The energy consumption of infrastructure system, wherein refrigeration system account for the 30%-45% of whole data center.With data resource exponentially
Level rapid growth, data center's entirety energy consumption also becomes increasing, and heat production is more and more.Reduce consumption of data center, improve
Energy utilization rate becomes particularly important.And refrigerated energy-saving is to improve most directly being arranged with maximally effective for data center's energy utilization rate
Apply, with highly important value.
The content of the invention
In view of this, the present invention proposes that a kind of data center's energy-conservation that can effectively reduce refrigeration system power consumption is freezed
System.
The present invention provides a kind of data center's energy-conserving refrigeration system, including compressor, condenser, fluid reservoir, turbine expansion
Machine and evaporator.The compressor includes suction port of compressor and compressor outlet.The turbo-expander includes turbo-expander
Entrance and turbo-expander outlet.The condenser includes condenser inlet and condensator outlet.The fluid reservoir includes liquid storage
Tank entrance and fluid reservoir outlet.The evaporator includes evaporator inlet and evaporator outlet.The condenser inlet with it is described
Compressor outlet is connected.The condensator outlet is connected with the fluid reservoir entrance.The fluid reservoir outlet is swollen with the turbine
Swollen machine entrance connection.The turbo-expander outlet is connected with the evaporator inlet.The evaporator outlet and the compression
Machine entrance is connected.The evaporator is configured to carry out recuperated cycle with data center's rack, make it that the evaporator absorbs
The heat of data center's rack.
In one embodiment, the evaporator carries out recuperated cycle with data center's rack using air.For example, institute
State data center's rack and hot air outlet is provided with the top of it, and cool air inlet is provided with its bottom, the evaporator is provided with
Hot air inlet and cold-air vent, the hot air outlet of data center's rack are empty using the heat of pipeline and the evaporator
Gas entrance is connected, and the cool air inlet of data center's rack is connected using pipeline with the cold-air vent of the evaporator.
In certain embodiments, some data center's racks are connected with the evaporator, data described in each of which
The hot air outlet of center rack is connected with the hot air inlet of the evaporator, the cold air of each data center's rack
Entrance is connected with the cold-air vent of the evaporator.
In one embodiment, the turbo-expander connects a generator, to drive the electrical power generators.
In one embodiment, the refrigeration system includes motor, and the motor is connected described to start with the compressor
Compressor.
In one embodiment, the turbo-expander and the motor drive connection.
In one embodiment, the compressor, motor, the connection of turbo-expander Driven by Coaxial.
In one embodiment, the condenser is connected with a heating equipment, and ambient, cool air absorbs organic working medium in condensation
The heat of releasing is condensed in device, is heated into heating equipment to peripheral facility (equipment regulation and control, attendant working region etc.).
In summary, the present invention provides a kind of data center's energy-conserving refrigeration system.Data center's rack is arranged to can be with
Evaporator is exchanged heat using air, absorbs the low-grade heat of data center's output using liquid organic working medium in evaporator
Energy.Change traditional throttle expansion valve into turbo-expander, the loss of throttling isenthalpic expansion can be reduced, and can export
Mechanical work reduces energy consumption of compressor or for generating electricity, moreover it is possible to be effectively increased the cold that evaporator can be generated.So may be used
The coefficient of refrigerating performance of circulation is improved, further reduces the energy consumption of motor, reaches the purpose of energy-conservation.In cold environments, can be cold
The external heating equipment of condenser, ambient, cool air absorbs the heat that organic working medium condenses releasing within the condenser, into heating equipment
Heated to peripheral facility (equipment regulation and control, attendant working region etc.).This makes it possible to returned again on the basis of original
A part of energy consumption is received, further the overall energy consumption of reduction data center.
Brief description of the drawings
Fig. 1 is the system schematic of one embodiment of data center's energy-conserving refrigeration system.
Fig. 2 is data center's energy-conserving refrigeration system of the present invention and the simplification pressure-enthalpy chart of conventional refrigeration.
Fig. 3 is the system schematic of another embodiment of data center's energy-conserving refrigeration system.
Fig. 4 is the system schematic of another embodiment of data center's energy-conserving refrigeration system.
Embodiment
Before describing the embodiments in more detail, it should be understood that the invention is not restricted to institute hereafter or in accompanying drawing in the application
The detailed construction or arrangement of elements of description.The embodiment that the present invention can realize for other manner.Furthermore, it is to be understood that this paper institutes
The wording and term used is solely for describing purposes, should not the explanation of being construed as limiting property." comprising " used herein, "comprising",
The similar wording such as " having " is meant comprising items listed thereafter, its equivalent and other additional things.Particularly, description is worked as
When " certain element ", the quantity that the present invention does not limit the element can also include multiple as one.
As shown in figure 1, the present invention proposes a kind of data center's energy-conserving refrigeration system, the refrigeration system include compressor 10,
Condenser 12, fluid reservoir 14, turbo-expander 16, evaporator 18, motor 20 and data center's rack 22.Wherein motor 20 is with pressing
Contracting machine 10 connects to drive compressor 10 to compress working medium, compressor 10, condenser 12, fluid reservoir 14, turbo-expander 16, evaporation
Device 18 is sequentially connected and forms a circulation.Data center's rack 22 is connected with evaporator 18 and is configured to carry out with evaporator 18
Recuperated cycle, make it that evaporator 18 absorbs the heat that data center's rack 22 is produced.
Specifically, compressor 10 includes suction port of compressor 24 and compressor outlet 26, and condenser 12 enters including condenser
Mouth 28 and condensator outlet 30, fluid reservoir 14 include fluid reservoir entrance 32 and fluid reservoir outlet 34, and turbo-expander 16 includes saturating
Flat expander inlet 36 and turbo-expander outlet 38, evaporator 18 includes evaporator inlet 40 and evaporator outlet 42.Condensation
Device entrance 28 is connected with compressor outlet 26, and fluid reservoir entrance 32 is connected with condensator outlet 30, turboexpander inlet 36 with
Fluid reservoir outlet 34 is connected, and evaporator inlet 40 is connected with turbo-expander outlet 38, suction port of compressor 24 and evaporator outlet
42 connections.Working medium is exported from the outlet 26 of compressor 10, by condenser 12, fluid reservoir 14, turbo-expander 16, evaporator
18, compressor 10 finally is flowed back into from suction port of compressor 24, a circulation is formed.
In an illustrated embodiment, the recuperated cycle working medium between evaporator 18 and data center's rack 22 is air.Number
Big calorimetric is produced when being worked according to center rack 22, hot-air flows through data center's rack 22 after evaporator 18 is cooled and absorbed
Heat, enters back into the formation circulation of evaporator 18 so that evaporator 18 and data center's rack heat exchange, with to data center machine cabinet 22
Cooling down.
It can be connected between evaporator 18 and data center's rack 22 by pipeline.For example, data center's rack 22 is in Qi Ding
Portion is provided with hot air outlet, and in its bottom provided with cool air inlet, and evaporator 18 goes out provided with hot air inlet and cold air
Mouthful.The hot air outlet of data center's rack 22 is connected using pipeline with the hot air inlet of evaporator 18, data center's rack
22 cool air inlet is connected using pipeline with the cold-air vent of evaporator 18.
In certain embodiments, some data center's racks 22 are connected with the evaporator 18, described in each of which
The hot air outlet of data center's rack 22 is connected with the hot air inlet of the evaporator 18, each data center's rack
22 cool air inlet is connected with the cold-air vent of the evaporator 18.
In an illustrated embodiment, a generator 44 is also connected with turbo-expander 16, working medium enters turbo-expander 16
So that turbo-expander 16 is rotated, turbo-expander 16 rotates and then drives generator 44 to generate electricity, and recyclable part electric energy reaches
The purpose of energy-conservation.
The operating flow to whole refrigeration system is briefly described below.
First, the driving of motor 20 compressor 10 is operated, the low-pressure gaseous working medium compression of compressor flash-pot in 10 future 18
Into high-pressure gaseous working medium, the high-pressure gaseous working medium, which is transported in condenser 12, carries out exothermic condensation, and high-pressure gaseous working medium is cold
Congeal into high-pressure liquid working medium.Subsequent high-pressure liquid working medium enters fluid reservoir 14, and fluid reservoir 14 can be adjusted according to system operation situation
Save working medium flow.Fluid reservoir 14 inputs high-pressure liquid working medium to turbo-expander 16, and high-pressure liquid working medium enters turbo-expander
16 carry out expansion work, and turbo-expander 16 absorbs working medium expansion work and rotated, and drives the generator 44 being attached thereto to generate electricity, and reaches
To the purpose for reclaiming electric energy.The high-pressure liquid working medium expanded by turbo-expander 16 is changed into low-pressure liquid working medium, low-pressure liquid
Working medium is exchanged heat into evaporator 18 with the hot-air from data center's rack 22, and low-pressure liquid working medium is absorbed in hot-air
Heat of vaporization become low-pressure gaseous working medium, and hot-air heat release cooling becomes cold air, and cold air is recirculated in data
Scheming cabinet 22 is cooled down, to reach the effect of refrigeration.Low-pressure gaseous working medium is gone out from evaporator outlet 42 and enters compressor
10, carry out next circulation.
Fig. 2 is data center's energy-conserving refrigeration system and the simplification pressure-enthalpy chart of conventional refrigeration.As shown in Fig. 2 41234 follow
Ring is the thermodynamic cycle pressure-enthalpy chart of conventional refrigeration, and 4 ' 1234 ' circulations are the thermodynamic cycles of data center's energy-conserving refrigeration system
Pressure-enthalpy chart.Wherein, the evaporation process of 4 (4 ') -1 correspondence evaporator, the compression process of 1-2 correspondence compressors, 2-3 correspondence condensers
Exothermic condensation process, the isenthalpic expansion process of 3-4 correspondence conventional throttle expansion valves, the thermal insulation of 3-4 ' correspondence turbo-expanders 16
Isentropic expansion process.From figure 2 it can be seen that either general refrigerating cycle 41234 or energy-conservation kind of refrigeration cycle 4 ' 1234 ',
Work done during compression is equal, is equal to h2-h1, compressor consumption electric energy it is also equal, condensation caloric value it is also equal, equal to h3-h2.Tradition
The throttling isenthalpic expansion of kind of refrigeration cycle 41234 does not do work externally, and it, which recepts the caloric, is equal to h1-h4, coefficient of refrigerating performance is equal to (h1-h4)/
(h2-h1).The constant entropy expansion of the energy-conservation kind of refrigeration cycle 4 ' 1234 ' of the present invention is externally done work, and is h4’-h3, its evaporation endothermic amount is equal to
h1-h4’(it is more than h1-h4), coefficient of refrigerating performance is equal to (h1-h4’)/(h2-h1).Two compare, energy-conservation kind of refrigeration cycle of the invention except
The expansion work that working medium can be reclaimed is generated electricity, additionally it is possible to increase the evaporation endothermic amount of working medium, is improved the coefficient of refrigerating performance of circulation, is reached
The purpose of energy-conservation is arrived.
Fig. 3 is the rough schematic view of another embodiment of data center's energy-conserving refrigeration system.In the present embodiment with it is foregoing
Embodiment identical element represents that function phase is same with identical label.The difference of the two is, in the present embodiment, and turbine is swollen
Swollen machine 16 simultaneously not connected generator, but with the drive connection of motor 20, working medium expansion work in turbo-expander 16, and will be swollen
Swollen work(passes to motor 20, then passes to compressor 10 by motor 20.The work done during compression required for compressor 10 is reduced, further
The energy consumption of motor 20 is reduced, the purpose of energy-conservation is reached.
It should be appreciated that in the present embodiment, compressor 10 and turbo-expander 16 respectively with the drive connection of motor 20,
In other embodiment, compressor 10, motor 20 and turbo-expander 16 can also Driven by Coaxial connections.
Fig. 4 is the rough schematic view of the one embodiment of data center's energy-conserving refrigeration system in cold environments.This implementation
Represent that function phase is same with previous embodiment identical element with identical label in example.In the present embodiment, condenser 12 and one heats
Equipment 46 connects to carry out recuperated cycle using air with the heating equipment 46 so that the heating equipment 46 gives peripheral facility
Heated.In cold environments, the actual functional capability of condenser 12 is a heat exchanger, and use environment cold air absorbs the cold of working medium
Solidifying heat release, the hot-air after heat exchange enters heating equipment 46 to peripheral facility (for example, equipment regulation and control, attendant working region
Deng) heated.This makes it possible to the entirety of a part of energy consumption of recycling on the basis of original, further reduction data center
Energy consumption.
In summary, the present invention provides a kind of data center's energy-conserving refrigeration system.Data center's rack is arranged to can be with
Evaporator is exchanged heat using air, absorbs the low-grade heat of data center's output using liquid organic working medium in evaporator
Energy.Change traditional throttle expansion valve into turbo-expander, the loss of throttling isenthalpic expansion can be reduced, and can export
Mechanical work reduces energy consumption of compressor or for generating electricity, moreover it is possible to be effectively increased the cold that evaporator can be generated.So may be used
The coefficient of refrigerating performance of circulation is improved, further reduces the energy consumption of motor, reaches the purpose of energy-conservation.In cold environments, can be cold
The external heating equipment of condenser, ambient, cool air absorbs the heat that organic working medium condenses releasing within the condenser, into heating equipment
Heated to peripheral facility (equipment regulation and control, attendant working region etc.).This makes it possible to returned again on the basis of original
A part of energy consumption is received, further the overall energy consumption of reduction data center.
Concepts described herein may be embodied to other forms in the case of without departing from its spirit and characteristic.It is disclosed
Specific embodiment should be considered as exemplary rather than restricted.Therefore, the scope of the present invention be by appended claim,
Rather than be determined according to these descriptions before.Any change in the letter and equivalency range of claim is all
The scope of these claims should be belonged to.
Claims (9)
1. a kind of data center's energy-conserving refrigeration system, it is characterised in that the refrigeration system includes compressor, condenser, liquid storage
Tank, turbo-expander and evaporator, the compressor include suction port of compressor and compressor outlet, and the turbo-expander includes
Turboexpander inlet and turbo-expander outlet, the condenser include condenser inlet and condensator outlet, the liquid storage
Tank includes fluid reservoir entrance and fluid reservoir is exported, and the evaporator includes evaporator inlet and evaporator outlet, the condenser
Entrance is connected with the compressor outlet, and the condensator outlet is connected with the fluid reservoir entrance, fluid reservoir outlet with
The turboexpander inlet connection, the turbo-expander outlet is connected with the evaporator inlet, the evaporator outlet
Connected with the suction port of compressor, the evaporator is configured to carry out recuperated cycle with data center's rack, described to cause
Evaporator absorbs the heat of data center's rack.
2. data center's energy-conserving refrigeration system as claimed in claim 1, it is characterised in that in the evaporator and the data
Scheming cabinet carries out recuperated cycle using air.
3. data center's energy-conserving refrigeration system as claimed in claim 2, it is characterised in that data center's rack is in Qi Ding
Portion is provided with hot air outlet, and is provided with cool air inlet in its bottom, and the evaporator is provided with hot air inlet and cold air goes out
Mouthful, the hot air outlet of data center's rack is connected using pipeline with the hot air inlet of the evaporator, the data
The cool air inlet of center rack is connected using pipeline with the cold-air vent of the evaporator.
4. data center's energy-conserving refrigeration system as claimed in claim 3, it is characterised in that some data center's racks with
The evaporator connection, the hot air inlet of the hot air outlet of data center's rack described in each of which and the evaporator connects
Logical, the cool air inlet of each data center's rack is connected with the cold-air vent of the evaporator.
5. data center's energy-conserving refrigeration system as claimed in claim 1, it is characterised in that the turbo-expander connection one is sent out
Motor, to drive the electrical power generators.
6. data center's energy-conserving refrigeration system as claimed in claim 1, it is characterised in that the refrigeration system includes motor,
The motor is connected to start the compressor with the compressor.
7. data center's energy-conserving refrigeration system as claimed in claim 6, it is characterised in that the turbo-expander and the electricity
Machine drive connection.
8. data center's energy-conserving refrigeration system as claimed in claim 6, it is characterised in that the compressor, motor, turbine are swollen
Swollen machine Driven by Coaxial connection.
9. data center's energy-conserving refrigeration system as claimed in claim 1, it is characterised in that the condenser and a heating equipment
Connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621457270.6U CN206330319U (en) | 2016-12-28 | 2016-12-28 | Data center's energy-conserving refrigeration system |
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| CN201621457270.6U CN206330319U (en) | 2016-12-28 | 2016-12-28 | Data center's energy-conserving refrigeration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524579A (en) * | 2016-12-28 | 2017-03-22 | 深圳智慧能源技术有限公司 | Data center energy-saving refrigeration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524579A (en) * | 2016-12-28 | 2017-03-22 | 深圳智慧能源技术有限公司 | Data center energy-saving refrigeration system |
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