CN107863920A - A kind of wave band radiation energy-storing and power-generating system and array - Google Patents
A kind of wave band radiation energy-storing and power-generating system and array Download PDFInfo
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- CN107863920A CN107863920A CN201711192491.4A CN201711192491A CN107863920A CN 107863920 A CN107863920 A CN 107863920A CN 201711192491 A CN201711192491 A CN 201711192491A CN 107863920 A CN107863920 A CN 107863920A
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- 230000005693 optoelectronics Effects 0.000 claims description 13
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- 238000009825 accumulation Methods 0.000 claims description 5
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/30—Thermophotovoltaic systems
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The present invention relates to technical field of thermoelectric conversion, more particularly to a kind of wave band radiation energy-storing and power-generating system and array, the system includes infrared source, band selective passes through device and photoelectric conversion device, infrared source includes the heat-storing device that can be exchanged heat therewith, and all or part of space between infrared source and photoelectric conversion device is vacuum state；The emittance for there was only specific band in the emittance of infrared source can pass through device through band selective, and the emittance of remaining wave band reflects back into infrared source, and the emittance of specific band is projected to photoelectric conversion device and is converted to electric energy.The thermoelectric conversion system and array that a kind of infrared source provided by the invention selectively passes through, higher photoelectric transformation efficiency can be realized while possessing thermmal storage function, have the advantages that energy loss is small, structure arrangement is simple, cost is low, Heat transmission apart from it is short, control is simple.
Description
Technical field
The present invention relates to technical field of thermoelectric conversion, more particularly to a kind of wave band radiation energy-storing and power-generating system and array.
Background technology
Heat to electricity conversion is a kind of generation technology for converting heat energy into electric energy, including heat energy direct generation of electricity mode, i.e. the temperature difference
Generate electricity, two distinct types of thermo-electric converting material N and P one end is combined and is placed on the condition of high temperature, other end open circuit
And when giving low temperature, because the thermal excitation of temperature end is stronger, hole and electron concentration are also higher than low-temperature end, in this current-carrying
Under the driving of sub- concentration gradient, hole and electronics spread to low-temperature end, so as to form electrical potential difference in low temperature open end；If it will be permitted
Multipair p-type and N-type thermo-electric converting material connects comprising modules, so that it may obtains sufficiently high voltage, realizes and generate electricity.Such a hair
Although can electrically realize that heat energy is converted into electric energy, its conversion efficiency is relatively low, typically 10% or so.
Another kind is the mode using heat energy indirect power generation, and common method is converts heat energy into mechanical energy, then by machine
Tool can be converted to electric energy.By taking steam turbine power generation as an example, using energy heats water into steam, steam turbine is done work by steam, enter
And electrical power generators are driven, this process needs to complete heat energy to be converted to mechanical energy, the step of being reconverted into electric energy.
Above-mentioned indirect power generation mode has the disadvantage that：1st, conversion efficiency is low, and general conversion efficiency is only 10%-40%
Left and right；2nd, input cost is high, and steam turbine cost taken by themselves is higher, and manipulation is complicated, and capable transport distance, is unfavorable for later maintenance
Maintenance.
At present, common photoelectric conversion device, such as photovoltaic cell, its essence are a kind of devices that electric energy is converted by radiation energy
Part；And heat energy can generally transmit in the form of radiation, therefore heat energy can be used to provide radiation energy in theory.
The photoelectric transformation efficiency of electrooptical device, e.g., the photoelectric transformation efficiency of polysilicon photovoltaic module is 20% or so,
The photoelectric transformation efficiency 21% or so of cadmium telluride photovoltaic component, above-mentioned conversion efficiency are that photovoltaic module receives the full spectrum of sunshine
The conversion efficiency that energy obtains, and the photoelectric transformation efficiency of some wave bands in full spectrum is relatively low, and then directly results in photovoltaic
The conversion efficiency of component is low.If photovoltaic module only receives the emittance of the specific band of high-photoelectric transformation efficiency, light can be made
The photoelectric transformation efficiency of volt component can greatly improve, by taking polysilicon photovoltaic module as an example, if polysilicon photovoltaic module only receives
Emittance of the wavelength between 600-900nm, its photoelectric transformation efficiency is up to more than 80%.
Energy storage is urgent problem in terms of utilization of new energy resources, and in existing energy storage mode, battery energy storage cost is high, pressure
Contracting air energy storage efficiency is relatively low, and water-storage is larger by natural environment influence, and above-mentioned energy storage mode has some drawbacks；Heat energy
Storage is a kind of more ripe energy storage mode in current new energy storage, by thermal energy storage into heat-storing device, when needed
Heat energy is taken out again and used, it has the advantages that, and cost is low, heat accumulation efficiency high.
Therefore, the purpose of the application is to be directed to above-mentioned technical problem, a kind of new system of innovation and creation, can realize storage
Deposit heat energy and the emittance of specific band can be sent, recycle the emittance of specific band to carry out opto-electronic conversion, realize
Generate electricity.
The content of the invention
The present invention provides a kind of wave band radiation energy-storing and power-generating system and array, photoelectric conversion device and receives the spy of high-conversion rate
The emittance of standing wave section, and then make its energy conversion efficiency higher, and the radiation energy of remaining wave band beyond specific band
Amount is by the final emittance that can nearly all form specific band of reflection repeatedly so that the heat energy of infrared source release is almost
All efficiently utilize, avoid energy loss.
According to an embodiment of the invention, there is provided a kind of wave band radiates energy-storing and power-generating system, including infrared source, waveband selection
Property pass through device and photoelectric conversion device, the infrared source includes the heat-storing device that can be exchanged heat therewith, the infrared source and
All or part of space between photoelectric conversion device is vacuum state；There was only certain wave in the emittance of the infrared source
The emittance of section can pass through device through the band selective, and the emittance of remaining wave band reflects back into the heat radiation
Source, the emittance of the specific band are projected to photoelectric conversion device and are converted to electric energy.
Further, the heat-storage medium in the heat-storing device is phase-change thermal storage medium.
Further, the band selective is set on the outside of the photoelectric conversion device through device, the heat radiation
Source is set in the outside that the band selective passes through device, and the emittance ecto-entad of the infrared source specific band is saturating
Cross the band selective and project the photoelectric conversion device through device.
Further, the band selective is set on the outside of the infrared source through device, the opto-electronic conversion dress
Put and be set in the outside that the band selective passes through device, the emittance of the infrared source specific band is saturating from inside to outside
Cross the band selective and project the photoelectric conversion device through device.
Further, the infrared source at least by electric energy, solar energy, nuclear energy, chemical energy, biomass energy, all kinds of waste heats,
A kind of offer energy in the fossil fuel type energy.
Further, the band selective passes through piece through device including at least a piece of band selective.
Further, the band selective passes through piece through device including band selective at least described in two panels, wherein
The a piece of band selective through piece be ito coated glass piece.
Further, there is enhanced rad coating on the surface of the infrared source.
Further, the enhanced rad coating is specific band enhanced rad coating.
Further, the photoelectric conversion device is photovoltaic electrification component.
Further, the photoelectric conversion device is crystal silicon electrification component, the wave band of the emittance of the specific band
For 600-900nm.
Further, the photoelectric conversion device is GaAs electrification component, the ripple of the emittance of the specific band
Section is 500-850nm.
Further, it is characterised in that the photoelectric conversion device is cadmium telluride electrification component, the spoke of the specific band
The wave band for penetrating energy is 550-850nm.
Further, the photoelectric conversion device is CIGS electrification component, the emittance of the specific band
Wave band is 450-1000nm.
Further, the photovoltaic electrification component is focusing photovoltaic generation module.
Further, the focusing photovoltaic generation module includes at least one set of radiation energy for being used to reflect the specific band
The double-side cell piece of the condenser mirror of amount and the emittance for receiving the specific band.
Further, the focusing photovoltaic generation module includes heat abstractor or heat utilization device.
Further, the infrared source/photoelectric conversion device is cylindrical, polygon prism shape or spherical.
Further, the infrared source and the band selective are provided with for determining emittance between passing through device
To the direction structure of projection.
Further, the direction structure points to the axle center of the photoelectric conversion device/infrared source.
Further, in addition to for adjusting the photoelectric conversion device tune for receiving the emittance area of specific band
Control structure.
The present invention also provides a kind of wave band radiation energy-storing and power-generating system array, including multiple wave bands radiation energy storing and electricity generating system
System.
Further, the wave band radiation energy-storing and power-generating system is to be followed successively by infrared source, band selective from outside to inside
Through the structure of device, photoelectric conversion device；
The infrared source is shaped as multi-edge column-shaped, and multiple wave band radiation energy-storing and power-generating systems are in cellular row
Arrange, at least one face is bonded to each other between adjacent two infrared sources.
From above technical scheme, a kind of wave band in the application radiation energy-storing and power-generating system, during work, infrared source
The emittance for only having specific band in the emittance of release can pass through device through band selective, specific band refer to for
The wave band of photoelectric conversion device high conversion efficiency, the emittance of remaining wave band (outside specific band) are then saturating by band selective
Cross device to reflect back on infrared source, the emittance of remaining wave band is by one or many in infrared source and waveband selection
Property pass through reflection between device after, ultimately form the emittance of specific band, realize and pass through device through band selective；
Wherein, infrared source also includes heat-storing device, and heat-storing device can store to heat energy, in use, heat-storing device passes heat energy
Pass infrared source and send emittance.In the thermo-electric converting device, heat energy can be stored, beneficial to stable, continuous hair
Go out emittance.
During heat to electricity conversion, heat energy can be stored, beneficial to stabilization, continuously send emittance, infrared source
Only have small part in the emittance sent to be absorbed through device by band selective, most emittance is used to realize light
Electricity conversion, and the emittance of the specific band of high optoelectronic conversion ratio is used during opto-electronic conversion all the time, photoelectric conversion device can be made
It is constantly in high conversion efficiency.It can thus be appreciated that energy loss is small during the thermoelectric conversion system heat to electricity conversion, opto-electronic conversion effect
Rate is high.
Meanwhile wave band radiation energy-storing and power-generating system, emittance is provided using infrared source, is done without using steam turbine
Work(is generated electricity, and the construction of infrared source is a simple tubular or chondritic, has simple in construction, energy transmission distance
From the advantages that short, cost is low, control is simple.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the cylindric structural representation that wave band provided by the invention radiates energy-storing and power-generating system
Fig. 2 is the structural representation for the polygon prism shape that wave band provided by the invention radiates energy-storing and power-generating system；
Fig. 3 is the spherical structural representation that wave band provided by the invention radiates energy-storing and power-generating system；
Fig. 4 is the sectional view for the emittance ecto-entad projection that wave band provided by the invention radiates energy-storing and power-generating system；
Fig. 5 is that wave band provided by the invention radiates the sectional view that the emittance of energy-storing and power-generating system projects from inside to outside；
Fig. 6 is photoelectric conversion device the bowing including double-side cell piece that wave band provided by the invention radiates energy-storing and power-generating system
View；
Fig. 7 is the signal of the radiation route including double-side cell piece that wave band provided by the invention radiates energy-storing and power-generating system
Figure；
Fig. 8 is the sectional view that wave band provided by the invention radiates energy-storing and power-generating system direction structure；
Fig. 9 includes adjusted and controlled top view for wave band provided by the invention radiation energy-storing and power-generating system；
Figure 10 is that wave band provided by the invention radiates the band selective of energy-storing and power-generating system through piece emittance transmission
Curve map；
Figure 11 is the top view that wave band provided by the invention radiates energy-storing and power-generating system array.
In figure：
1st, infrared source；2nd, band selective passes through device；3rd, photoelectric conversion device；4th, direction structure；5th, it is adjusted and controlled；
6th, heat-storing device；31st, condenser mirror；32nd, double-side cell piece；33rd, heat abstractor or heat utilization device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
" photoelectric conversion device " described in the present embodiment for that can receive the emittance that infrared source is sent, and by spoke
The device that energy conversion is electric energy is penetrated, claims " photoelectric conversion device " herein.
Wherein " specific band " is the part in all band emittance or a few subbands, and in " specific band " model
The photoelectric transformation efficiency of interior photoelectric conversion device is enclosed more than 60%, even as high as more than 80%.
" band selective passes through device " is the emittance transmitance height to specific band, to the radiation energy of remaining wave band
It is higher to measure reflectivity, the less device of absorptivity.
" photoelectric transformation efficiency " is that the emittance that thermal energy radiation goes out is projected on photoelectric conversion device, is filled by opto-electronic conversion
Put efficiency caused by generating.
As Figure 1-10 shows, a kind of wave band radiation energy-storing and power-generating system, including infrared source 1, band selective are through dress
2 and photoelectric conversion device 3 are put, infrared source 1 includes the heat-storing device 6 to exchange heat therewith, infrared source 1 and photoelectric conversion device 3
Between all or part of space be vacuum state；There was only the emittance energy of specific band in the emittance of infrared source 1
Device 2 is passed through through band selective, the emittance of remaining wave band reflects back into infrared source 1, the radiation energy of specific band
Amount is projected to photoelectric conversion device 3 and is converted to electric energy.
In use, using heat energy source, such as electric energy, solar energy directly provide heat energy for infrared source 1, make heat radiation
Source 1 discharges emittance, can also be by thermal energy storage into heat-storing device 6, heat energy and heat radiation using the storage of heat-storing device 6
Source 1 is exchanged heat, and then infrared source 1 is discharged emittance for a long time.Wherein, set on infrared source 1
Between be used for place heat-storing device 6, or, heat-storing device 6 be an independent structure be connected with infrared source 1.For heat-storing device 6
Say including heat accumulation and take hot two processes, e.g., heat-transfer working medium is heated using heat energy source, heat-transfer working medium fills with heat accumulation again
6 carry out heat exchanges are put, by thermal energy storage in heat-storage medium；When taking heat, hot friendship is carried out with heat-storing device 6 using hot working fluid is taken
Change, take hot working fluid to heat up, take hot working fluid to be exchanged heat with infrared source 1.Heat accumulation, take and hanker required passage or pipeline etc. herein no longer
Repeat one by one.
Heat-storage medium in heat-storing device 6 can be concrete, fused salt etc., it is preferred that the heat-storage medium in heat-storing device 6
For phase-change thermal storage medium, phase-change thermal storage medium has the advantages that temperature is constant and thermal storage density is big, can be that infrared source 1 provides surely
Fixed heat energy, and then exported beneficial to the long-time stable of emittance.
The advantages of increasing heat-storing device 6, is：Increase the continuity that infrared source 1 discharges emittance, when directly to be hot
When radiation source 1 provides heat energy interruption, e.g., heat energy, when rainy weather or night, the sun are provided by infrared source 1 of solar energy
It can interrupt, can now enable heat-storing device 6, heat-storing device 6 continues as infrared source 1 and provides heat energy, realizes that infrared source 1 discharges
Emittance is carried out continuously.
In addition, being that infrared source 1 provides heat energy also using trough electrical heating, and heat-storing device 6 is heated simultaneously
Energy storage is carried out, provides heat energy using only heat-storing device 6 for infrared source 1 again during peak of power consumption, and then realize and economize on
Electric cost, the purpose of link Peak power use.
Meanwhile heat-storing device 6 also collects the heat energy of unstable energy storage, then heat-storing device 6 is carried out to take heat, with
Stable state release emittance.Such as unstable electric energy, by heating rod by thermal energy storage into heat-storing device 6, it is then right
Heat-storing device 6 carries out taking heat heating infrared source, so as to realize stable generating.
Under normal circumstances, reliably efficiently run if photoelectric conversion device 3 is realized, it is necessary in the relatively low working environment of temperature
Middle use, generally less than 80 DEG C, such as 40 DEG C or so even lower, and with compared with the infrared source 1 of high radiance
Temperature is higher, and photoelectric conversion device 3 is passed to by way of convection current or conduction in order to avoid the heat of infrared source 1, it is ensured that
The reliable Effec-tive Function of photoelectric conversion device 3, therefore, vacuum insulation processing will be carried out between the two, vacuum insulation state is neither
The transmission of emittance is influenceed, and can reaches heat-insulated effect.The embodiment that the specific present invention uses is infrared source 1
Vacuum state is all or part of between photoelectric conversion device 3, it is e.g., whole between infrared source 1 and photoelectric conversion device 3
Body vacuumize process, make all vacuum states between the two；Or for the optimization that cost of implementation is controlled and operated, using portion
The form for dividing space vacuum to set, is arranged to glass tube with vacuum, band selective passes through device by band selective through device 2
2 band selective is arranged on the outer wall and/or inwall of glass tube with vacuum through piece.
The wave band radiates energy-storing and power-generating system, and infrared source 1 being capable of emittance after absorbing heat energy, it is preferred that heat radiation
Heat energy required for source 1 is at least by electric energy, solar energy, nuclear energy, chemical energy, biomass energy, all kinds of waste heats, the fossil fuel type energy
In a kind of provide energy.The heat energy of infrared source 1 can be the excessive electric energy of generating equipment, or unstable electric energy, such as
Heating rod is heated up using above-mentioned electric energy, infrared source 1 is heated by heating rod；It can also be the production such as solar energy, waste combustion
Raw heat energy, or infrared source 1 is heated by heat-exchanger rig using the heat energy in steam pipework, molten salt pipeline or flue gas pipeline
Deng.The material of infrared source 1 can use metal or ceramics etc., after absorbing heat energy, can launch emittance, and emittance is thrown
Band selective is mapped to through on device 2.
Band selective includes matrix (glass tube with vacuum described above) through device 2 and at least a piece of band selective is saturating
Cross piece.Band selective realizes the emittance through specific band through piece, reflects the emittance of remaining wave band；It has
High transmission, high reflection, the characteristic of low absorption, band selective can be made to absorb less emittance through piece, and it is most
Emittance is through or reflected, to reduce heat-energy losses.Such as, band selective only absorbs 1% emittance through piece, can
The emittance of remaining wave band of emittance, reflection 69% through 30% specific band.
Band selective can be formed through device with monolithic or multi-disc.Required band selective can not be met in monolithic
During through, reflection characteristic, further it can be made up of multi-disc superposition.As shown in Figure 10, band selective includes two through device
Piece band selective passes through piece, and solid line is emittance H103 resin of the first choice through piece in figure, it is known that wavelength exists
There is higher transmitance, dotted line is the radiation energy that the second selectivity passes through piece in figure between 750-900nm and 1750-2000nm
Measure H103 resin, it is known that wavelength has higher transmitance between 0-1400nm.By first choice through piece and the second choosing
Selecting property passes through piece through piece superposition composition band selective, and the part that both overlap is that band selective can pass through through piece
750-900nm wave bands in wave band, i.e. figure.
Wherein, it is preferred that the second selectivity is ITO (tin indium oxide) coated glass piece through piece, and its structure is in glass
The one or both sides of base material set ito film, and wave band of the ito film before wavelength 1700nm has a higher transmitance, and
Wave band transmitance after 1700nm is relatively low, and reflectivity is very high, and its own has the special feature that to comply fully with and selected above-mentioned second
Property pass through piece requirement, have it is economic and practical the advantages of.
The emittance of infrared source 1 projects band selective through after device 2, and device is passed through using band selective
The emittance that 2 pairs of infrared sources 1 project is transmitted and reflected, wherein, the emittance of specific band passes through waveband selection
Property passes through device 2, and the emittance of remaining wave band is reflexed on infrared source 1.The emittance of specific band is projected to photoelectricity
Electric energy is converted on conversion equipment 3, realizes and generates electricity.And the emittance of remaining wave band reflects back into infrared source 1, the part energy
Amount passes through one or many reflections between infrared source 1 and band selective pass through device 2, and final major part can form spy
The emittance of standing wave section and pass through band selective and reach photoelectric conversion device 3 through device 2, realize higher heat to electricity conversion
Efficiency；Wherein, infrared source 1 also includes heat-storing device 6, and heat-storing device 6 can store to heat energy, in use, heat-storing device 6
Heat energy is transmitted into infrared source and sends emittance.In the thermo-electric converting device, heat energy can be stored, beneficial to it is stable,
Continuously send emittance.
During heat to electricity conversion, heat energy can be stored, beneficial to stabilization, continuously send emittance, infrared source
Only have small part in the emittance sent to be absorbed through device by band selective, most emittance is used to realize light
Electricity conversion, and the emittance of the specific band of high optoelectronic conversion ratio is used during opto-electronic conversion all the time, photoelectric conversion device can be made
It is constantly in high conversion efficiency.It can thus be appreciated that energy loss is small during the thermoelectric conversion system heat to electricity conversion, high conversion efficiency.
For example, photoelectric conversion device 3 uses crystal silicon electrification component, specific band selects wave band of the wavelength for 600-900nm,
Photoelectric transformation efficiency is more than 80% in the wave band, and the efficiency that heat energy is converted to the emittance of specific band is left for 80%
The right side, it follows that the conversion efficiency of thermoelectric of above-mentioned crystal silicon electrification component is up to more than 60%.
Meanwhile wave band radiation energy-storing and power-generating system, emittance is provided using infrared source 1, without using steam turbine
Acting is generated electricity, and the construction of infrared source 1 is a simple tubular or chondritic, and there is simple in construction, energy to pass
It is defeated apart from it is short, cost is low, control it is simple the advantages that.
Preferably, in order to reduce energy loss by radiation, and realize that emittance higher density radiates, wave band radiation storage
Infrared source 1, band selective in energy electricity generation system are through device 2 and photoelectric conversion device 3 using successively nested side
Formula, in this mode, can be achieved energy transmission in whole circumference, including from inside to outside with ecto-entad two ways.Preferably,
1/ photoelectric conversion device of infrared source, 3 cylindrical, polygon prism shape or spherical.Wherein, for cylindric or polygon prism shape when, wave band
Selectivity passes through device 2 and photoelectric conversion device 3 in order to meet that construction requirement generally is polygon prism structure, in Fig. 1,
Outermost structure is infrared source 1, and in Fig. 2, outermost structure is photoelectric conversion device 3；For it is spherical when, band selective
Chondritic is preferably spliced into using the less laminated structure of area through device 2 and photoelectric conversion device 3.
Wherein, as shown in figure 4, ecto-entad structure is set in outside photoelectric conversion device 3 for band selective through device 2
Side, infrared source 1 are set in the outside that band selective passes through device 2, and the emittance of the specific band of infrared source 1 is by extroversion
It is interior to project photoelectric conversion device 3 through device 2 through band selective.Preferably, insulation dress is provided with outside infrared source 1
Put, reduce the heat loss of infrared source 1.In figure, the solid arrow that infrared source 1 is sent is the radiation of all band/subband
Energy, the solid arrow that band selective is sent to photoelectric conversion device 3 through device 2 are the emittance of specific band, to
The dotted arrow that infrared source 1 is sent is the emittance of remaining wave band.Form is adopted the structure, by the radiation of larger area
The energy is to the photoelectric conversion device emittance of relatively small area, and band selective between the two is through device 2 with one
Fixed spotlight effect, while beam condensing unit further can be set again on photoelectric conversion device 3, and then can realize that high power is gathered
Light, the usage amount of photoelectric conversion device 3 can be reduced, e.g., when photoelectric conversion device 3 is using focusing photovoltaic generation module, ensured
While generating efficiency, the dosage of focusing photovoltaic generation module is reduced, and then reduces cost.Wherein, under high power concentrator environment, need
Photoelectric conversion device 3 is wanted to need to configure corresponding radiator structure.
As shown in figure 5, structure is that band selective is set in the outside of infrared source 1 through device 2 from inside to outside, photoelectricity turns
Changing device 3 is set in the outside that band selective passes through device 2, and the emittance of the specific band of infrared source 1 is saturating from inside to outside
Cross band selective and project photoelectric conversion device 3 through device 2.In figure, the solid arrow that infrared source 1 is sent is all-wave
The emittance of section/subband, the solid arrow that band selective is sent through device 2 to photoelectric conversion device 3 are specific
The emittance of wave band, the dotted arrow sent to infrared source 1 are the emittance of remaining wave band.This structure, infrared source 1
At center positioned extremely inward, its heat loss is smaller, and high power concentrator equally can be achieved in outermost in photoelectric conversion device 3, moreover,
Photoelectric conversion device 3 is arranged on into outermost to be beneficial to arrange radiator structure on photoelectric conversion device 3, high temperature is reduced and photoelectricity is turned
The influence of changing device 3, to ensure the conversion efficiency of photoelectric conversion device 3.
There is enhanced rad coating on the surface of infrared source 1.Enhanced rad coating makes infrared source 1 have higher transmitting
Rate, in the case that the temperature of infrared source 1 is relatively low, still there is high emissivity so that most emittance is specific
In wavelength band, i.e., the emittance of most of specific band can pass through band selective and pass through device 2, only small part remaining
The emittance of wave band reflects back into infrared source 1, and then can reduce order of reflection, improves conversion efficiency.Preferably, spoke is strengthened
It is specific band enhanced rad coating to penetrate coating.The emittance of specific band is sent at infrared source 1 so that the part
Emittance largely or entirely can pass through device 2 through band selective.
Photoelectric conversion device 3 is photovoltaic electrification component.Photovoltaic electrification component is more ripe photoelectric electric generator, and it has
There is higher photoelectric conversion rate.Further, photovoltaic electrification component is focusing photovoltaic generation module, with the radiation of infrared source 1
It is concentration structure that radiation aggregation infrastructure is set exemplified by the radiation of energy ecto-entad, at center, forms focusing photovoltaic generation module, excellent
Choosing, focusing photovoltaic generation module includes at least one set of condenser mirror 31 for being used to reflect the emittance of specific band and used
In the double-side cell piece 32 for the emittance for receiving specific band.As shown in Figures 6 and 7, emittance is saturating by band selective
It is irradiated on the condenser mirror 31 of focusing photovoltaic generation module, is reflexed to again by condenser mirror 31 two-sided after crossing device 2
On cell piece 32, double-side cell piece 32 carries out opto-electronic conversion, and final realize generates electricity.Wherein, using the caustic surface of double-side cell piece 32
Product is bigger, and the size using double-side cell piece is less, and then has higher photoelectric conversion result, and cost is also lower.In optically focused
Multiple condenser mirrors 31 and double-side cell piece 32 are circumferentially uniformly distributed in photovoltaic electrification component, shows in figure and gathers including three groups
Light reflection mirror 31 and double-side cell piece 32, or four groups, five groups of even more more, every group of condenser mirror 31 and double-side cells
The band selective of the corresponding one section of arc length of piece 32 passes through device 2, and the emittance of the specific band of the partial radiation projects pair
On the condenser mirror 31 answered, wherein, optically focused optical axis and the beam center line of the part overlap.
Wherein, focusing photovoltaic generation module includes heat abstractor or heat utilization device 33, can reduce photovoltaic electrification component
Temperature, high temperature is avoided to have an impact generating efficiency.Such as the end connection heat exchanger tube of above-mentioned double-side cell piece 32, heat exchanger tube is interior to flow
Logical heat exchange medium, heat derived from heat exchange medium absorption double-side cell piece 32, takes away heat and realizes radiating, it is preferred that heat
The heat of exchange media can be utilized further, to avoid energy waste., can be for common focusing photovoltaic generation module at present
The back side of photovoltaic panel sets corresponding heat abstractor or heat utilization device 33.
Preferably several electrification components are photoelectric conversion device 3：It is special when photoelectric conversion device 3 is crystal silicon electrification component
The wave band of the emittance of standing wave section is 600-900nm.When photoelectric conversion device 3 is GaAs electrification component, specific band
The wave band of emittance be 500-850nm.When photoelectric conversion device 3 is cadmium telluride electrification component, the radiation of specific band
The wave band of energy is 550-850nm.When photoelectric conversion device 3 is CIGS electrification component, the emittance of specific band
Wave band be 450-1000nm.
Photoelectric transformation efficiency of the above-mentioned several photoelectric conversion devices 3 under the emittance of specific band 80% with
On, photoelectric transformation efficiency highest under this wave band, and then realize high generation efficiency.
As shown in figure 8, infrared source 1 and band selective are provided with for throwing emittance orientation between passing through device 2
The direction structure 4 penetrated.Preferably, direction structure 4 points to the axle center of the infrared source 1 of photoelectric conversion device 3/.Due to infrared source 1
It is diverging that the emittance sent, which does not have directionality, therefore, in order to ensure more emittance can pass through band selective
Through in high efficient radiation after device 2 to photoelectric conversion device 3, and then it is set to point to the axle center of 3/ infrared source of photoelectric conversion device 1
Direction structure 4, e.g., direction structure 4 is slit or elongated ceramic honey comb structure etc..
By taking ceramic honey comb structure as an example, ceramic honey comb structure includes linear through hole, and linear through hole is radiation-curable to pass through linear pattern
Emittance, and nonlinear emittance is then projected on honeycomb ceramic body, and honeycomb ceramic body absorbs heat energy and passed again
Infrared source 1 is led back to, and then remains that linear emittance projects band selective and passes through device 2, improves radiation
The transmission efficiency of the energy, and avoid energy waste.
Wave band radiation energy-storing and power-generating system also includes being used to adjust the radiation energy that photoelectric conversion device 3 receives specific band
Measure adjusted and controlled the 5 of area.When the emittance of infrared source 1 is sufficient, and needs to control generated energy, can use adjusted and controlled
The reception of 5 pairs of emittance regulates and controls.Main control methods are to adjust the radiation that photoelectric conversion device 3 receives specific band
The area of energy, i.e., when receiving area change is small, the emittance for the specific band that corresponding photoelectric conversion device 3 receives subtracts
It is small, so as to reduce generated energy, realize regulation and control.
Specifically, as shown in figure 9, the reflection of multiple energy reflecting radiation energies is set in wave band radiates energy-storing and power-generating system
Plate, e.g., multiple reflecting plates are arranged on band selective and set multiple rotatable reflecting plates through device 2, wherein, reflecting plate with
Rotated with one end that band selective is connected through device 2 for axle, in figure, the reflection board status of solid line passes through for band selective
The maximum receiving area state of device 2 is, it is necessary to when regulating and controlling generated energy, by driving multiple reflecting plates to rotate in same direction, to waveband selection
Property through device 2 surface produce it is certain block, i.e., the dashed lines states in figure, partial radiation energy are saturating through band selective
Device 2 is crossed, partial radiation energy returns to infrared source 1 by baffle reflection, to realize control generated energy, the angle of rotation of reflecting plate
Degree is bigger, and shielded area is bigger, and corresponding generated energy is smaller.
In addition, adjusted and controlled 5 can also be for making photoelectric conversion device 3 and infrared source 1 and band selective printing opacity
Between device produce relative dislocation lifting structure, e.g., lifting structure connection photoelectric conversion device 3, when need regulate and control generated energy
When, photoelectric conversion device 3 can be lifted or reduce, to change the area that photoelectric conversion device 3 receives the emittance of specific band,
And then the adjustment of generated energy is realized, photoelectric conversion device 3 is raised or lowered more high/low, and receiving area is smaller, corresponding hair
Electricity is smaller.
As Figure 1-3, when wave band radiates when being shaped as cylindric or polygon prism shape of energy-storing and power-generating system shape, hot spoke
Penetrate source 1, band selective overlaps through the central axis of device 2 and photoelectric conversion device 3, when wave band radiates energy storing and electricity generating
When being shaped as spherical of system shape, infrared source 1, band selective are mutual through the centre of sphere of device 2 and photoelectric conversion device 3
Overlap.
A kind of wave band radiates energy-storing and power-generating system array, including multiple above-mentioned wave band radiation energy-storing and power-generating systems.Each
Wave band radiation energy-storing and power-generating system is a generator unit, and multiple wave band radiation energy-storing and power-generating systems form the battle array of heat to electricity conversion
Row.Using the form of array, unit-modularized processing, generated energy is controllable, and easy disassembly operation and the maintenance and repair in later stage.
Generally, the maximum generating watt of multiple wave band radiation energy-storing and power-generating systems can meet power generation requirements, in maximum
During generated energy requirement, whole wave band radiation energy-storing and power-generating systems in array are opened；, can be by part when needing to turn down generated energy
The infrared source 1 and band selective of wave band radiation energy-storing and power-generating system separate through device 2 with photoelectric conversion device 3, reduce
The band selective of generating is realized through the quantity of device 2 and photoelectric conversion device 3 and turns generated energy down.
As shown in figure 11, wave band radiation energy-storing and power-generating system is saturating to be followed successively by infrared source 1, band selective from outside to inside
Cross device 2, the structure of photoelectric conversion device 3；
Infrared source 1 is shaped as multi-edge column-shaped, and multiple wave band radiation energy-storing and power-generating systems are in honeycomb arrangement, adjacent
At least one face is bonded to each other between two infrared sources 1.Using the form of honeycomb arrangement so that adjacent infrared source 1
Between play a part of insulation each other, can reduce thermal loss and save isothermal holding needed for cost.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (23)
1. a kind of wave band radiates energy-storing and power-generating system, it is characterised in that passes through device and light including infrared source, band selective
Electrical switching device, the infrared source include the heat-storing device that can exchange heat therewith, the infrared source and photoelectric conversion device it
Between all or part of space be vacuum state；There was only the emittance energy of specific band in the emittance of the infrared source
Device is passed through through the band selective, the emittance of remaining wave band reflects back into the infrared source, the certain wave
The emittance of section is projected to photoelectric conversion device and is converted to electric energy.
2. wave band according to claim 1 radiates energy-storing and power-generating system, it is characterised in that the heat accumulation in the heat-storing device
Medium is phase-change thermal storage medium.
3. wave band according to claim 1 radiates energy-storing and power-generating system, it is characterised in that the band selective is through dress
To put and be set on the outside of the photoelectric conversion device, the infrared source is set in the outside that the band selective passes through device,
The emittance ecto-entad of the infrared source specific band projects the light through the band selective through device
Electrical switching device.
4. wave band according to claim 1 radiates energy-storing and power-generating system, it is characterised in that the band selective is through dress
To put and be set on the outside of the infrared source, the photoelectric conversion device is set in the outside that the band selective passes through device,
The emittance of the infrared source specific band projects the light through the band selective through device from inside to outside
Electrical switching device.
5. the wave band radiation energy-storing and power-generating system according to claim any one of 1-4, it is characterised in that the infrared source
At least by a kind of offer energy in electric energy, solar energy, nuclear energy, chemical energy, biomass energy, all kinds of waste heats, the fossil fuel type energy
Amount.
6. the wave band radiation energy-storing and power-generating system according to claim any one of 1-4, it is characterised in that the waveband selection
Property passes through piece through device including at least a piece of band selective.
7. wave band according to claim 6 radiates energy-storing and power-generating system, it is characterised in that the band selective is through dress
Put and pass through piece including band selective described at least two panels, a piece of band selective therein is ITO plated film glass through piece
Glass piece.
8. the wave band radiation energy-storing and power-generating system according to claim any one of 1-4, it is characterised in that the infrared source
Surface have enhanced rad coating.
9. wave band according to claim 8 radiates energy-storing and power-generating system, it is characterised in that the enhanced rad coating is spy
Standing wave section enhanced rad coating.
10. wave band according to claim 1 radiates energy-storing and power-generating system, it is characterised in that the photoelectric conversion device is
Photovoltaic electrification component.
11. the wave band radiation energy-storing and power-generating system according to claim 1 or 10, it is characterised in that the opto-electronic conversion dress
Crystal silicon electrification component is set to, the wave band of the emittance of the specific band is 600-900nm.
12. the wave band radiation energy-storing and power-generating system according to claim 1 or 10, it is characterised in that the opto-electronic conversion dress
GaAs electrification component is set to, the wave band of the emittance of the specific band is 500-850nm.
13. the wave band radiation energy-storing and power-generating system according to claim 1 or 10, it is characterised in that the opto-electronic conversion dress
Cadmium telluride electrification component is set to, the wave band of the emittance of the specific band is 550-850nm.
14. the wave band radiation energy-storing and power-generating system according to claim 1 or 10, it is characterised in that the opto-electronic conversion dress
CIGS electrification component is set to, the wave band of the emittance of the specific band is 450-1000nm.
15. wave band according to claim 10 radiates energy-storing and power-generating system, it is characterised in that the photovoltaic electrification component is
Focusing photovoltaic generation module.
16. wave band according to claim 15 radiates energy-storing and power-generating system, it is characterised in that the concentrating photovoltaic power generation group
Part includes at least one set of condenser mirror for reflecting the emittance of the specific band and for receiving the certain wave
The double-side cell piece of the emittance of section.
17. the wave band radiation energy-storing and power-generating system according to claim 15 or 16, it is characterised in that the condensation photovoltaic hair
Electrical component includes heat abstractor or heat utilization device.
18. the wave band radiation energy-storing and power-generating system according to claim 3 or 4, it is characterised in that the infrared source/institute
State that photoelectric conversion device is cylindrical, polygon prism shape or spherical.
19. wave band according to claim 18 radiates energy-storing and power-generating system, it is characterised in that the infrared source with it is described
Band selective is provided with the direction structure for being used for making emittance orientation projection between passing through device.
20. wave band according to claim 19 radiates energy-storing and power-generating system, it is characterised in that the direction structure points to institute
State the axle center of photoelectric conversion device/infrared source.
21. wave band according to claim 1 radiates energy-storing and power-generating system, it is characterised in that also includes described for adjusting
Photoelectric conversion device receives the adjusted and controlled of the emittance area of specific band.
22. a kind of wave band radiates energy-storing and power-generating system array, it is characterised in that including multiple such as any one of claim 1-21 institutes
The wave band radiation energy-storing and power-generating system stated.
23. wave band according to claim 22 radiates energy-storing and power-generating system array, it is characterised in that the wave band radiation storage
Energy electricity generation system is is followed successively by infrared source from outside to inside, band selective passes through device, the structure of photoelectric conversion device；
The infrared source is shaped as multi-edge column-shaped, and multiple wave bands radiation energy-storing and power-generating systems are in honeycomb arrangement, phase
At least one face is bonded to each other between two adjacent infrared sources.
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