CN104901625A - Photovoltaic and photo-thermal combined system for full-spectrum solar energy frequency-division, regulation and control - Google Patents
Photovoltaic and photo-thermal combined system for full-spectrum solar energy frequency-division, regulation and control Download PDFInfo
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- CN104901625A CN104901625A CN201510272559.4A CN201510272559A CN104901625A CN 104901625 A CN104901625 A CN 104901625A CN 201510272559 A CN201510272559 A CN 201510272559A CN 104901625 A CN104901625 A CN 104901625A
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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
- H02S20/00—Supporting structures for PV modules
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/422—Vertical axis
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- 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
- Y02E10/52—PV systems with concentrators
Abstract
The invention discloses a photovoltaic and photo-thermal combined system for full-spectrum solar energy frequency-division, regulation and control. The photovoltaic and photo-thermal combined system comprises an optical-focusing apparatus, a photovoltaic battery assembly and a frequency-division and heat-collecting apparatus, wherein the frequency-division and heat-collecting apparatus is arranged above the optical focus of the optical-focusing apparatus, the photovoltaic battery assembly is positioned on the optical-focusing apparatus and right below the frequency-division and heat-collecting apparatus, and the frequency-division and heat-collecting apparatus comprises a frequency division apparatus and a heat-collecting tube. Incident sunlight on the optical-focusing apparatus is reflected to and focused on the frequency-division and heat-collecting apparatus, the frequency division apparatus decomposes the sunlight into near infrared and ultraviolet light and visible light through frequency and division. The near infrared and ultraviolet light is directly transmitted to and absorbed by the heat-collecting tube from the frequency division apparatus, and converted into heat energy. The frequency division apparatus reflects the visible light to the photovoltaic battery assembly, which converts the visible light into electric energy. The photovoltaic and photo-thermal combined system makes full use of the full spectrum energy of sun light, and the energy conversion efficiency of the entire system is improved.
Description
Technical field
The present invention relates to technical field of solar utilization technique, particularly relate to the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of a kind of solar energy.
Background technology
Predict according to International Energy Agency IEA, to the year two thousand fifty, solar power generation share in global power supply will reach 30%, and accounting is less than 5% at present, and solar power generation industry contains huge market.In the face of the huge breach of global energy especially clean energy resource demand, always there is not the saying of " surplus " in sun power generating industry, for no other reason than that do not have cost enough low, the technology that energy conversion efficiency is high occurs.
In the full spectral limit of sunlight, the theoretical limit of current unijunction solar cell conversion efficiency is about 30%, therefore cannot be utilized effectively by the energy more than 50% in solar spectral.Photovoltaic and photothermal comprehensive utilization is a main trend of present Solar use, No. 1022589159Ath, the Chinese patent application such as announced " vacuum tube photovoltaic and photothermal compound parabolic concentrator ", object is the mode that compound parabolic face condenser and photovoltaic and photothermal combine, the heat energy utilizing coolant to be produced by photovoltaic cell and to fail by the sunlight sorption enhanced that photovoltaic cell absorbs be heat energy, improves the effective rate of utilization of solar energy.But because photovoltaic and photothermal and vacuum tube are integrated in same module, influence each other, causing major part can not lose by the light loss that utilizes of photovoltaic cell, simultaneously also because optically focused causes photovoltaic cell to produce certain temperature rise, have impact on photoelectric conversion efficiency.
At present, photovoltaic photo-thermal comprehensive utilization device mainly adopts sunlight direct projection photovoltaic cell and installs cooling system additional at the photovoltaic cell back side, because the radiation of visible light accounting for solar energy 45% produces electric energy and heat energy to photovoltaic cell, the near infrared light accounting for solar energy 50% only produces heat energy to photovoltaic cell, therefore near infrared light is on photo-thermal cell, increase considerably heat load and the temperature rise of photovoltaic cell, photovoltaic cell capable of generating power efficiency has been reduced, adds photovoltaic cell amount of cooling water.No. 102779885Ath, the Chinese patent application such as announced " a kind of Salar light-gathering frequency division photovoltaic photo-thermal combined production device ", have employed compound parabolic concentrator and solar energy frequency division glass, object be by the near infrared light in sunlight before being irradiated to photovoltaic cell, filter and reclaim, thus reduce the temperature rise of photovoltaic cell, improve photoelectric conversion efficiency.But this contrive equipment lays particular emphasis on raising photoelectric conversion efficiency, photo-thermal device just servicing unit wherein, the function of its photo-thermal fails to be fully utilized and to play, thus fails well to improve the energy conversion efficiency of photovoltaic and photothermal solar entire system.
When ensureing that photovoltaic cell transfer ratio promotes, how to make full use of the energy that sunlight is composed entirely, the energy conversion efficiency improving whole system becomes the urgent technical need of photovoltaic and photothermal field of comprehensive utilization.
Summary of the invention
The invention provides the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of a kind of solar energy, to make full use of the energy that sunlight is composed entirely, improve the energy conversion efficiency of whole system.
The photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of solar energy provided by the invention comprises beam condensing unit, photovoltaic cell component and frequency division heat collector, described frequency division heat collector is arranged on above the spot position of described beam condensing unit, and described photovoltaic cell component is positioned on described beam condensing unit and immediately below described frequency division heat collector, described frequency division heat collector comprises frequency divider and thermal-collecting tube;
The sunlight incided on described beam condensing unit reflects and gathers on described frequency division heat collector, described sunlight frequency division is near infrared light and ultraviolet light, visible ray by described frequency divider, described near infrared light and ultraviolet light are absorbed by described thermal-collecting tube, change heat energy into, described frequency divider to described photovoltaic cell component, changes described visible reflectance into electric energy by described photovoltaic cell component.
Preferably, described beam condensing unit comprises slot-shaped reflective mirror, described slot-shaped reflective mirror be continous way or point connection formula, the inner surface of described slot-shaped reflective mirror adopts total reflection silver surface or metallized film, and the cross sectional shape of described slot-shaped reflective mirror comprises: parabola face, compound parabolic face and free form surface.
Preferably, described thermal-collecting tube is made up of concentric inner and outer tubes, is vacuum between described inner and outer tubes.
Preferably, described beam condensing unit comprises butterfly concentrator, and the cross sectional shape of described butterfly concentrator comprises: parabola face, compound parabolic face and free form surface.
Preferably, described frequency division heat collector also comprises the vacuum glass cover being positioned at described heat collection tube, forms vacuum between described vacuum glass cover and described thermal-collecting tube.
Preferably, described thermal-collecting tube is the glass tube of vortex wire, and the inlet/outlet pipe of described thermal-collecting tube is connected with the import and export of described vacuum glass cover respectively.
Preferably, described beam condensing unit also comprises bracing or strutting arrangement, and described bracing or strutting arrangement supports described slot-shaped reflective mirror or butterfly concentrator.
Preferably, described bracing or strutting arrangement comprises bracing frame, rotating connector, fixed support assembly and tracking and drive unit, support frame as described above supports described beam condensing unit, described rotating connector connects support frame as described above and described fixed support assembly, described tracking and drive unit connect described beam condensing unit and described fixed support assembly, described tracking and drive unit according to described in the incidence angle of described sunlight that detects, regulate the angle of described beam condensing unit.
Preferably, cooling pipe is provided with between described photovoltaic cell component and described slot-shaped reflective mirror or butterfly concentrator.
Preferably, thermal-arrest medium is filled in described thermal-collecting tube.
Visible, according to the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of a kind of solar energy provided by the invention, compared with prior art, there is following advantage and disadvantage:
Adopt solar spectrum light splitting technology, by spectrum device, the infrared light in visible ray and sunlight and ultraviolet light are separated.
By beam condensing unit, sunlight is assembled, improve energy density.Can cell area be reduced concerning photovoltaic cell, improve conversion efficiency simultaneously; Can collecting efficiency be improved for photothermal deformation, and then improve high temperature heat source temperature.
First by beam condensing unit, solar photon is focused on solar spectrum light-splitting device, obtain the photon stream of high-energy-density.Photon stream is after the light splitting of solar spectrum light-splitting device, and visible light wave range photon reflection out, is irradiated on photovoltaic cell, obtains and absorbs; Ultraviolet and infrared photon then through, absorb by heat collector.Thus the segmentation achieving the photon of different-waveband in solar spectrum effectively utilizes.
Apparatus of the present invention can independently control photovoltaic and photothermal deformation, initiatively effectively utilize the infrared light accounting for solar spectrum more than 50% and ultraviolet light as thermal-arrest source, remaining light photon are used for photovoltaic cell, the respective advantage of abundant each several part wave band photon simultaneously.Photovoltaic and photo-thermal can be organically combined in the entire system simultaneously, thus the solar energy conversion efficiency more optimized can be obtained to greatest extent.
Solar spectrum light-splitting device and heat collection device combine by the present invention, and photovoltaic module and condenser mirror combine, can efficient low-loss separation and absorb solar photon, thus have ensured total energy conversion efficiency.
The beam condensing unit that the present invention adopts is slot type and the cooking-pot type light collecting device with wide application prospect, and the single shaft solar tracking system be equipped with, and ensureing in necessary light concentrating times situation, has larger cost advantage or cost decline potentiality.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of a kind of solar energy that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the profile of the association system of photovoltaic and photothermal shown in Fig. 1;
The structural representation of the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of another kind of solar energy that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of another solar energy that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is the partial schematic diagram of the association system of photovoltaic and photothermal shown in Fig. 4.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with Fig. 1-Fig. 5, the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of solar energy provided by the invention is described in detail:
Refer to Fig. 1 and Fig. 2, the structural representation of the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of a kind of solar energy provided for the embodiment of the present invention and profile thereof, this system comprises beam condensing unit, photovoltaic cell component 21 and frequency division heat collector, frequency division heat collector is arranged on above the spot position of beam condensing unit, and photovoltaic cell component 21 is positioned on beam condensing unit and immediately below frequency division heat collector, frequency division heat collector comprises frequency divider 31 and thermal-collecting tube 322;
The sunlight incided on beam condensing unit is reflected and is gathered on frequency division heat collector, sunlight is separated near infrared light and ultraviolet light, visible ray by frequency divider 31, near infrared light and ultraviolet light are directly absorbed by thermal-collecting tube 322 through frequency divider 31, change heat energy into, frequency divider 31 to photovoltaic cell component 21, changes visible reflectance into electric energy by photovoltaic cell component 21.
This photovoltaic and photothermal association system and horizontal plane have certain angle, its angular range: 0 °-90 °, and this angle is by manually regulating.
This beam condensing unit comprises slot-shaped reflective mirror 11 and bracing or strutting arrangement, and this bracing or strutting arrangement supports this slot-shaped reflective mirror 11.
The cross sectional shape of this slot-shaped reflective mirror 11 can be, but not limited to parabola face, compound parabolic face and free form surface.In the embodiment shown in fig. 1, this slot-shaped reflective mirror 11 is continous ways, and its inner surface adopts total reflection silver surface or metallized film.
This bracing or strutting arrangement comprises bracing frame 12, rotating connector 13, fixed support assembly and tracking and drive unit, this bracing frame 12 is corrugated surface bracing frame, this fixed support assembly comprises: base 142, base 142 is provided with support post 141, above support post 141, be provided with supporting bracket 140, be also provided with tracking and drive unit in support post 141 upper end.This tracking and drive unit are included in electric rotating machine 151, thrust bearing 150 and the sun light tracking detector 152 that support post 141 upper end is provided with, and its electric rotating machine 151 is rigidly connected by rotating connector 13 and bracing frame 12.The angle of incidence of sunlight that this tracking and drive unit can detect according to sun light tracking detector, rotarily driving by electric rotating machine, regulates the angle of beam condensing unit voluntarily, guarantees that sunlight and slot-shaped reflective mirror keep best incident angle.
Frequency divider 31 produces spectrum/division function based on the refraction of optical thin film or optical element, interference or diffraction, this optical thin film or optical element include but not limited to: Thin Film Filter/film, high index of refraction n1 and low-refraction n2 dielectric layer material or the mutual folded array of metal-dielectric layer material, or refractive index is with the dielectric layer material of gradient thickness; Holographic grating; Diffractive micro-optical element.
Thermal-collecting tube 322 is generally vacuum, is combined, wherein by two concentric glass 320 and 321, interior pipe 321 outer surface covers sunlight coating for selective absorption, be vacuum layer between interior outer glass pipe, effectively can prevent scattering and disappearing of heat, improve solar thermal utilization rate.The material of this coating for selective absorption is high-absorbility antiradar reflectivity material common in solar thermal utilization.Fill thermal-arrest medium in thermal-collecting tube 322, its thermal-arrest medium impels medium transmission heat energy in hold over system by natural circulation effect.This thermal-arrest medium can be, but not limited to the solid matters such as water, wet goods liquid and paraffin, aluminium alloy, inorganic salts.
Photovoltaic cell component 21 can adopt but be not limited to polycrystal silicon film solar module.
Be provided with cooling pipe 22 between photovoltaic cell component 21 and slot-shaped reflective mirror 11, significantly can reduce the temperature rise of photovoltaic cell, improve photoelectric conversion efficiency.
The operation principle of this photovoltaic and photothermal association system is as follows: reflective mirror is by the grooved curved surface of glass manufacture, its inner surface adopts total reflection silver surface or metallized film, the sunlight incided in parabolic wire casing all can be converged on focal line, before near-infrared in sunlight and ultraviolet lighting are mapped to photovoltaic cell component, by sunlight frequency division control technique, absorbed by thermal-collecting tube and change heat energy into, this heat energy is finally transferred in hold over system is stored by the thermal-arrest Absorption of Medium in vacuum heat collection pipe, frequency divider is based on the refraction of optical thin film or optical element, interfere or diffraction and produce spectrum/division function.Its visible ray then by the reflection of frequency divider, vertical irradiation to photovoltaic cell component changes electric energy into, directly provides user to use, and photovoltaic cell adopts multi-crystal silicon film solar battery assembly.Fixed support assembly, bracing frame and active connection form carrying platform, support above-mentioned each parts, and tracking and drive unit, in order to ensure the incident angle of solar energy, improve the utilization ratio of solar energy.
Refer to Fig. 3, the structural representation of the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of the another kind of solar energy provided for the embodiment of the present invention, the difference of the photovoltaic and photothermal association system shown in this embodiment and the photovoltaic and photothermal association system shown in Fig. 1, Fig. 2 is, this slot-shaped reflective mirror 82 is point connection formulas, is made up of deep-slotted chip breaker bar of the same size.
Refer to Fig. 4 and Fig. 5, the structural representation of the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of another solar energy provided for the embodiment of the present invention and partial schematic diagram, be with the difference of the photovoltaic and photothermal association system shown in Fig. 1-Fig. 3, this beam condensing unit comprises butterfly concentrator 43 and bracing or strutting arrangement, this bracing or strutting arrangement supports this butterfly concentrator 43, frequency division heat collector also comprises vacuum glass cover 45, and the structure of bracing or strutting arrangement should be butterfly bracing or strutting arrangement mutually.
The cross sectional shape of this butterfly concentrator 43 can be, but not limited to parabola face, compound parabolic face and free form surface, and its inner surface adopts total reflection silver surface or metallized film.
Thermal-collecting tube 41 is combined by the glass tube of vortex wire, and its outer surface covers sunlight coating for selective absorption.Be vacuum layer between cloche 45 and frequency divider 43, effectively can prevent scattering and disappearing of heat, improve solar thermal utilization rate.The inlet/outlet pipe 42 and 44 of thermal-collecting tube 41 is coupled together by the import and export 46 and 47 of cloche and the vacuum heat collection pipe of outside.
Be provided with cooling pipe between photovoltaic cell component 61 and concentrator, significantly can reduce the temperature rise of photovoltaic cell, improve photoelectric conversion efficiency.
In the present embodiment, corresponding bracing frame is butterfly bracing frame.
The operation principle of the photovoltaic and photothermal association system of the present embodiment is as follows: butterfly concentrator, its inner surface adopts total reflection silver surface or metallized film, the sunlight incided in butterfly concentrator all can be converged in focus, frequency division heat collector is provided with in focal position, before near-infrared in sunlight and ultraviolet lighting are mapped to photovoltaic cell, by sunlight frequency division control technique, absorbed by thermal-collecting tube and change heat energy into, this heat energy is finally transferred in hold over system is stored by the thermal-arrest Absorption of Medium in thermal-collecting tube, frequency divider 4.3 is based on the refraction of optical thin film or optical element, interfere or diffraction and produce spectrum/division function, its visible ray then by the reflection of frequency divider, vertical irradiation to photovoltaic cell changes electric energy into, user is directly provided to use, photovoltaic cell component adopts multi-crystal silicon film solar battery assembly.Fixed support assembly, bracing frame and active connection form carrying platform, support above-mentioned each parts, and tracking and drive unit, in order to ensure the incident angle of solar energy, improve the utilization ratio of solar energy.
According to the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of solar energy that above embodiment provides, compared with prior art, there is following advantage and disadvantage:
Adopt solar spectrum light splitting technology, by spectrum device, the infrared light in visible ray and sunlight and ultraviolet light are separated.
By beam condensing unit, sunlight is assembled, improve energy density.Can cell area be reduced concerning photovoltaic cell, improve conversion efficiency simultaneously; Can collecting efficiency be improved for photothermal deformation, and then improve high temperature heat source temperature.
First by beam condensing unit, solar photon is focused on solar spectrum light-splitting device, obtain the photon stream of high-energy-density.Photon stream is after the light splitting of solar spectrum light-splitting device, and visible light wave range photon reflection out, is irradiated on photovoltaic cell, obtains and absorbs; Ultraviolet and infrared photon then through, absorb by heat collector.Thus the segmentation achieving the photon of different-waveband in solar spectrum effectively utilizes.
Apparatus of the present invention can independently control photovoltaic and photothermal deformation, initiatively effectively utilize the infrared light accounting for solar spectrum more than 50% and ultraviolet light as thermal-arrest source, remaining light photon are used for photovoltaic cell, the respective advantage of abundant each several part wave band photon simultaneously.Photovoltaic and photo-thermal can be organically combined in the entire system simultaneously, thus the solar energy conversion efficiency more optimized can be obtained to greatest extent.
Solar spectrum light-splitting device and heat collection device combine by the present invention, and photovoltaic module and condenser mirror combine, can efficient low-loss separation and absorb solar photon, thus have ensured total energy conversion efficiency.
The beam condensing unit that the present invention adopts is slot type and the cooking-pot type light collecting device with wide application prospect, and the single shaft solar tracking system be equipped with, and ensureing in necessary light concentrating times situation, has larger cost advantage or cost decline potentiality.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In a word, the foregoing is only the preferred embodiment of technical solution of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the photovoltaic and photothermal association system of the full spectrum frequency division regulation and control of solar energy, it is characterized in that, described system comprises beam condensing unit, photovoltaic cell component and frequency division heat collector, described frequency division heat collector is arranged on above the spot position of described beam condensing unit, and described photovoltaic cell component is positioned on described beam condensing unit and immediately below described frequency division heat collector, described frequency division heat collector comprises frequency divider and thermal-collecting tube;
The sunlight incided on described beam condensing unit reflects and gathers on described frequency division heat collector, described sunlight frequency division is near infrared light and ultraviolet light, visible ray by described frequency divider, described near infrared light and ultraviolet light are absorbed by described thermal-collecting tube, change heat energy into, described frequency divider to described photovoltaic cell component, changes described visible reflectance into electric energy by described photovoltaic cell component.
2. the system as claimed in claim 1, it is characterized in that, described beam condensing unit comprises slot-shaped reflective mirror, described slot-shaped reflective mirror be continous way or point connection formula, the inner surface of described slot-shaped reflective mirror adopts total reflection silver surface or metallized film, and the cross sectional shape of described slot-shaped reflective mirror comprises: parabola face, compound parabolic face and free form surface.
3. system as claimed in claim 2, it is characterized in that, described thermal-collecting tube is made up of concentric inner and outer tubes, is vacuum between described inner and outer tubes.
4. the system as claimed in claim 1, is characterized in that, described beam condensing unit comprises butterfly concentrator, and the cross sectional shape of described butterfly concentrator comprises: parabola face, compound parabolic face and free form surface.
5. system as claimed in claim 4, it is characterized in that, described frequency division heat collector also comprises the vacuum glass cover being positioned at described heat collection tube, forms vacuum between described vacuum glass cover and described thermal-collecting tube.
6. system as claimed in claim 5, it is characterized in that, described thermal-collecting tube is the glass tube of vortex wire, and the inlet/outlet pipe of described thermal-collecting tube is connected with the import and export of described vacuum glass cover respectively.
7. the system as described in claim 2-6 any one, is characterized in that, described beam condensing unit also comprises bracing or strutting arrangement, and described bracing or strutting arrangement supports described slot-shaped reflective mirror or butterfly concentrator.
8. system as claimed in claim 7, it is characterized in that, described bracing or strutting arrangement comprises bracing frame, rotating connector, fixed support assembly and tracking and drive unit, support frame as described above supports described beam condensing unit, described rotating connector connects support frame as described above and described fixed support assembly, described tracking and drive unit connect described beam condensing unit and described fixed support assembly, described tracking and drive unit according to described in the incidence angle of described sunlight that detects, regulate the angle of described beam condensing unit.
9. the system as described in claim 2-6 any one, is characterized in that, is provided with cooling pipe between described photovoltaic cell component and described slot-shaped reflective mirror or butterfly concentrator.
10. the system as claimed in claim 1, is characterized in that, fills thermal-arrest medium in described thermal-collecting tube.
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| CN106849859A (en) * | 2017-01-22 | 2017-06-13 | 中国科学院工程热物理研究所 | A kind of full spectrum of solar energy utilizes device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441177A (en) * | 2013-09-06 | 2013-12-11 | 上海新产业光电技术有限公司 | Novel multipurpose solar concentration system |
-
2015
- 2015-05-26 CN CN201510272559.4A patent/CN104901625B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441177A (en) * | 2013-09-06 | 2013-12-11 | 上海新产业光电技术有限公司 | Novel multipurpose solar concentration system |
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| CN111271882A (en) * | 2020-02-04 | 2020-06-12 | 华北电力大学 | Long-life spectrum light splitting and light condensing integrated photovoltaic thermal module, system and method |
| CN113541596A (en) * | 2021-05-26 | 2021-10-22 | 南京师范大学 | Active regulation and control method and device for solar full-spectrum frequency division energy |
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| CN113465193A (en) * | 2021-07-05 | 2021-10-01 | 河北邦泉新能源科技有限公司 | Solar heating and hot water supply system |
| CN114873559A (en) * | 2022-04-25 | 2022-08-09 | 西安交通大学 | Photovoltaic power generation coupling photocatalysis hydrogen production system |
| CN114873559B (en) * | 2022-04-25 | 2024-03-29 | 西安交通大学 | Photovoltaic power generation coupling photocatalysis hydrogen production system |
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