CN204272008U - A kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit - Google Patents
A kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit Download PDFInfo
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- CN204272008U CN204272008U CN201420688591.1U CN201420688591U CN204272008U CN 204272008 U CN204272008 U CN 204272008U CN 201420688591 U CN201420688591 U CN 201420688591U CN 204272008 U CN204272008 U CN 204272008U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The purpose of this utility model is to provide a kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit, comprise large area dish-style parabolic reflector concentrator (1), secondary dodging unit (2), carve type construction unit (3), carving type construction unit (3) is arranged in large area dish-style parabolic reflector concentrator (1), secondary dodging unit (2) with carve type construction unit (3) and be fixedly connected with; Carve that type construction unit (3) comprises optically focused crystal silicon battery array structure (32) from top to bottom successively, the type structure of carving fixes foundry goods (31), GaInP/GaInAs/Ge tri-junction battery array structure (33), carve type construction unit support fixed structure (34).High power concentrator and low-concentration is realized for GaInP/GaInAs/Ge three-joint solar cell array and crystal silicon solar batteries array respectively by introducing spectral unmixing technology, both the high-photoelectric transformation efficiency of GaInP/GaInAs/Ge tri-junction battery had been kept, realize again the abundant absorption to wide spectrum solar energy, effectively reduce the thermal losses of solar cell.
Description
Technical field
The present invention relates to a kind of high-efficiency solar-powered photovoltaic electricity generating plan, particularly relate to the structural design of a kind of large area dish-style reflective collection-type photovoltaic integrated pair of electrification component unit.
Background technology
Have low energy consumption, low cost, low stain feature high efficiency optical collection type photovoltaic power generation technology becoming photovoltaic technology development a Main way, compared with traditional crystal silicon photovoltaic generation technology, light-focusing type photovoltaic technology electricity conversion can double.High efficiency optical collection type photovoltaic power generation technology can realize low energy consumption, the reason of low cost mainly contains two aspects: first, photovoltaic material required for concentration photovoltaic system greatly reduces, be used for the material production as all easy than crystal silicon material in glass, high-molecular organic material or iron sheet, aluminium flake of optically focused, low 2 orders of magnitude of cost; Secondly, under high power concentrator condition, can adopt high-tech many knots photovoltaic material, many PN junctions photovoltaic material can absorb solar energy more fully.High power concentrator, many knot photovoltaic materials are the technology really embodying the powerful power of high-tech, once enter large-scale application, high power concentrator cost of electricity-generating can lower than nuclear power and thermoelectricity cost of electricity-generating.
Current concentrating solar photovoltaic generating system realizes the convergence of incident sunlight mainly through Fresnel lens or dish-style mirror surface.Fresnel lens can produce larger light loss (about 30%) to vertical incidence sunlight, therefore can reduce system photoelectric conversion efficiency.And for dish-style speculum light condensing technology, the reflectivity of mirror surface can be made up to more than 95% by optical coating, and can the efficiency of significantly improving optical treatment system, reduce incident sunlight loss.Simultaneously, spectral unmixing technology is applied in light gathering photovoltaic power generating system, light splitting technology is utilized to be separated by wave-length coverage on locus by wide spectrum sunlight, receive with single-chip integration lamination three junction battery array and traditional single crystal silicon array respectively, efficiently solve the current matching problem of each PN junction of GaInP/GaInAs/Ge tri-junction battery generally used at present, reduce the thermal losses of unit are, farthest utilize solar radiation spectrum, elevator system photoelectric conversion efficiency.
Summary of the invention
The technical problem that this patent will solve: object of the present invention is just to provide a kind of efficient color dispersion-type dish-style reflection focusing solar energy photovoltaic electricity generating plan, high power concentrator and low-concentration is realized for GaInP/GaInAs/Ge three-joint solar cell array and crystal silicon solar batteries array respectively by introducing spectral unmixing technology, both the high-photoelectric transformation efficiency of GaInP/GaInAs/Ge tri-junction battery had been kept, realize again the abundant absorption to wide spectrum solar energy, the thermal losses of effective reduction solar cell, simultaneously for above-mentioned two kinds of concentrating solar battery Array Design effective water refrigeration radiating unit, significantly improve concentrating solar photovoltaic generating system effectiveness, be particularly useful for high concentration solar generating system.
For solving the problems of the technologies described above, the main purpose of the utility model patent is to provide a kind of large area color dispersion-type disc type solar energy photovoltaic generation implementation, the program is mainly for the efficient application of single-chip integration GaInP/GaInAs/Ge three-joint solar cell, adopt spatial spectral isolation technics, the partial spectrum corresponding to Ge battery absorption spectra scope in solar spectrum is separated to turn and is received by crystal silicon battery, reducing the thermal losses of three junction battery sheets, improving the photovoltaic conversion efficiency of receiving unit simultaneously by introducing efficiently integrated water refrigeration heat-radiation structure further.
For reaching above-mentioned purpose, the technical scheme of the utility model application is:
A kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit, comprise large area dish-style parabolic reflector concentrator (1), secondary dodging unit (2), carve type construction unit (3), carving type construction unit (3) is arranged in large area dish-style parabolic reflector concentrator (1), secondary dodging unit (2) with carve type construction unit (3) and be fixedly connected with;
Describedly carve that type construction unit (3) comprises optically focused crystal silicon battery array structure (32) from top to bottom successively, the type structure of carving fixes foundry goods (31), GaInP/GaInAs/Ge tri-junction battery array structure (33), carve type construction unit support fixed structure (34).
Described optically focused crystal silicon battery array structure (32) comprises Inlet and outlet water tubes connection from top to bottom successively
Mouth one (325), seal cover board (324), efficient integrated water refrigeration heat-radiation structure one (323), optically focused crystal silicon battery array (322), dichroic band lead to optically filtering sheet (321), and Inlet and outlet water tubes connection mouth one (325) is communicated with seal cover board (324).
Described GaInP/GaInAs/Ge tri-junction battery array structure (33) comprises GaInP/GaInAs/Ge tri-junction battery array (331), efficient integrated water refrigeration heat-radiation structure two (332), Inlet and outlet water tubes connection mouth two (333) from top to bottom successively, Inlet and outlet water tubes connection mouth two (333) with carve type construction unit support fixed structure (34) and be communicated with.
Described efficient integrated water refrigeration heat-radiation structure one (323) and efficient integrated water refrigeration heat-radiation structure two (332) include multilayer sawtooth and to interlock panel unit, make the single battery back side in array all there is a sawtooth grooves watering cycle, be connected to form circulation waterway by Inlet and outlet water tubes connection mouth (333/325) with copper pipe in the adjacent regions of two water refrigeration radiating panels; The parallel sawtooth panel that multiple spacing is identical interlocks stacking formation water supply currency structure, two outlet pass one-in-and-one-outs, realizes initiatively water circulation by outside water pump.The two pieces of radiator structure waterway circulatings carved in type both can be that to connect also can be in parallel.
Described large area dish-style parabolic reflector concentrator (1) is made up of the thin aluminium being dirt cheap compared to photovoltaic material or iron sheet, and by the assembled complete dish-style paraboloid structure of multiple fan-shaped paraboloid structure, reflecting surface realizes high reflectance by silver-plated.
The even smooth unit of described secondary (2) adopts the specific paraboloid structure body long column body identical with carving type construction unit light entrance port size to make the solid formed with computing, utilizes low iron height transparent glass material to be made, realizes the high-transmission rate to sunray.
By above scheme, large area dish-style speculum is utilized to realize forming square focus spot to the convergence of vertical incidence sunlight, and then use band logical optically filtering sheet that converge sunlight is divided into two bundles by wave-length coverage, received by crystal silicon battery array and GaInP/GaInAs/Ge tri-junction battery array respectively, and provide efficiently integrated water refrigeration radiating unit for two kinds of arrays, the photovoltaic conversion efficiency of effective lifting subassembly.
By above scheme, described large area dish-style reflecting condenser utilizes its reflection paraboloid the sunlight of vertical incidence to be carried out reflection and assembles, by secondary dodging unit, focal beam spot uniformity of energy is distributed, light beam after process carries out spatial spectral separation through bandpass filter again, received by crystal silicon battery array and GaInP/GaInAs/Ge tri-junction battery array respectively, the water refrigeration structure below array effectively reduces battery operating temperature.
By above scheme, spectrophotometric unit, photovoltaic converting unit and heat-sink unit are all integrated in a wedge structure, comprise dichroic bandpass filter, crystal silicon battery array, GaInP/GaInAs/Ge tri-junction battery array, water refrigeration radiating unit that two kinds of arrays are corresponding.
By above scheme, described wedge structure utilizes high strength low iron height transparent glass to seal its optical inlet.
By above scheme, dichroic bandpass filter and substrate of glass thereof directly invest crystal silicon battery array surface, and both are undertaken hermetically sealed by the Silica hydrogel of the high grade of transparency.Filter substrate adopts high strength low iron height transparent glass.
By above scheme, low for high strength iron height transparent glass is directly invested GaInP/GaInAs/Ge tri-junction battery array, and both are undertaken hermetically sealed by the Silica hydrogel of the high grade of transparency.
By above scheme, described crystal silicon battery array and GaInP/GaInAs/Ge tri-junction battery array all adopt semiconductor packages scheme that solar cell and the good ceramic copper-clad DBC substrate of heat conductivility are carried out integration packaging.Different solar cells in same array according to the energy distribution options of its surperficial light spot received its each other series/parallel electrical connection form.Between two kinds of different arrays, the electric output requirement external according to integrated photovoltaic receiving element realizes corresponding currents match or voltage matches.
By above scheme, the ceramic copper-clad DBC substrate of concentrator cell array, directly as the cover plate of its water-cooling unit, making the high thermal conductive substrate of array and water-cooling radiating structure by sealing the integral unit of silica gel, can effectively reduce array temperature.
By above scheme, the efficient integrated water refrigeration heat-radiation structure that concentrator cell array is corresponding uses the active cycle pattern of outside water pump pumping to flow through intake-outlet successively, and controls the flow velocity of refrigerating fluid in pumping according to the actual requirement of array heat radiation.
The utility model compared with prior art, its useful effect: one is need not reduce by changing single-chip integration multijunction solar cell structure (increasing the PN junction of particular bandgap width material) thermal losses that inside battery electric current causes, but introduce spatial spectral isolation technics and realize photovoltaic efficiency utilization; Two is that this color dispersion-type disc type solar energy photovoltaic generation unit structure is simple, and optical processing scheme is easy to realize, and realizes the intercommunication of different solar battery array water cooling unit and share, and adapts to wide.
Accompanying drawing explanation
Fig. 1 is pictorial diagram of the present utility model.
Fig. 2 is light analogous diagram of the present utility model.
Fig. 3 is the structure subdivision graph carving type construction unit (3) in the utility model.
Fig. 4 is efficient integrated water refrigeration heat-radiation structure overall schematic of the present utility model.
Fig. 5 is the spectral response schematic diagram that the associated batteries array that relates to of the utility model and dichroic band lead to optically filtering sheet.
Wherein:
1-large area dish-style reflecting condenser;
The even smooth unit of 2-secondary;
3-carve type construction unit;
31-type the structure of carving fixes foundry goods;
32-optically focused crystal silicon battery array structure;
321-dichroic band leads to optically filtering sheet;
322-optically focused crystal silicon battery array;
The efficient integrated water refrigeration heat-radiation structure one of 323-(optically focused crystal silicon battery array is corresponding);
324-seal cover board;
325-Inlet and outlet water tubes connection mouth one;
33-GaInP/GaInAs/Ge tri-junction battery array structure;
331-GaInP/GaInAs/Ge tri-junction battery array;
332-(GaInP/GaInAs/Ge tri-junction battery array is corresponding) efficient integrated water refrigeration heat-radiation structures two;
333-Inlet and outlet water tubes connection mouth two;
34-carve type construction unit support fixed structure.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figures 2 to 4, the utility model provides a kind of efficient color dispersion-type dish-style reflection focusing solar energy photovoltaic power generation module group structure, comprise large area dish-style reflecting condenser 1, the even smooth unit 2 of secondary, dichroic band leads to optically filtering sheet 321, optically focused crystal silicon battery array 322, the efficient integrated water refrigeration heat-radiation structure 323 that optically focused crystal silicon battery array is corresponding, GaInP/GaInAs/Ge tri-junction battery array 331, the Inlet and outlet water tubes connection mouth 325/333 of the efficient integrated water refrigeration heat-radiation structure 332 that GaInP/GaInAs/Ge tri-junction battery array is corresponding and efficient integrated water refrigeration heat-radiation structure, wherein:
This large area dish-style reflecting condenser 1 pair of vertical incidence sunlight carries out total reflection, the even smooth unit 2 of secondary is placed in the focus corresponding position that reflection ray is formed, by the light of this secondary even smooth unit 2 outgoing almost perpendicular to carving type construction unit light entrance port plane, the light of complete transmission is irradiated to and leads to optically filtering sheet 321 with the dichroic band at angle at 45 °, incident ray direction and process, and is finally absorbed by the optically focused crystal silicon battery array 322 and GaInP/GaInAs/Ge tri-junction battery array 331 that are positioned over transmission and reflection direction and is carried out opto-electronic conversion respectively.This model structure is compact, can simplify the structural design of each concentrator cell array heat-sink unit, and the radiator structure of two array batteries can be communicated with carving type joining place.The efficient integrated water refrigeration heat-radiation structure 323 that optically focused crystal silicon battery array is corresponding and efficient integrated water refrigeration heat-radiation structure 332 corresponding to GaInP/GaInAs/Ge tri-junction battery array comprise the multilayer sawtooth panel unit that interlocks and combine, make the single battery back side in array all there is a sawtooth grooves watering cycle, be connected to form circulation waterway by Inlet and outlet water tubes connection mouth 333/325 with copper pipe in the adjacent regions of two water refrigeration radiating panels.
In the utility model embodiment, have certain requirement to the spectral characteristic that described dichroic band leads to optically filtering sheet 321, its passing band wavelength range must be contained in the intersection of crystal silicon battery array and Ge battery response spectrum.Fig. 5 gives the spectral response schematic diagram that associated batteries sheet that the utility model relates to and dichroic band lead to optically filtering sheet 321.Owing to being be connected in series between knot battery each in GaInP/GaInAs/Ge tri-junction battery, therefore the final output current of three junction batteries limited by the minimum current in each knot battery.Because the output current of Ge battery generally obviously can be greater than the output current of other two knots battery, so the final output current of three junction batteries limited by the electric current of the sub-battery of GaInP or the sub-battery of GaInAs, and this part electric current that Ge battery has more will be converted into heat energy by series resistance losses, this will cause battery efficiency to reduce, and increases the cooling requirements of battery simultaneously.The optimal path addressed this problem is the partial response spectrum by filtering Ge battery with logical optically filtering sheet 321, make its electric current reduce to the series connection output current of three junction batteries, and the spectral region filtered is the pass band width that dichroic band leads to optically filtering sheet 321.Therefore passband position and the bandwidth of determining optically filtering sheet according to Ge battery current in GaInP/GaInAs/Ge tri-junction battery and the three junction batteries difference of connecting between Limited Current is needed, then absorbed by crystal silicon battery array by the spectral component of filter plate passband filtering, ensure that photovoltaic generating system making full use of solar spectrum, and significantly improve the photoelectric conversion efficiency of photovoltaic generating system.
In sum, be only the preferred embodiment of the utility model, do not limit protection range of the present utility model with this, all equivalence changes done according to the utility model the scope of the claims and description with modify, be all within scope that the utility model patent contains.
Claims (6)
1. a color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit, it is characterized in that: comprise large area dish-style parabolic reflector concentrator (1), secondary dodging unit (2), carve type construction unit (3), carving type construction unit (3) is arranged in large area dish-style parabolic reflector concentrator (1), secondary dodging unit (2) with carve type construction unit (3) and be fixedly connected with;
Describedly carve that type construction unit (3) comprises optically focused crystal silicon battery array structure (32) from top to bottom successively, the type structure of carving fixes foundry goods (31), GaInP/GaInAs/Ge tri-junction battery array structure (33), carve type construction unit support fixed structure (34).
2. a kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit according to claim 1, it is characterized in that: described optically focused crystal silicon battery array structure (32) comprises Inlet and outlet water tubes connection mouth one (325) from top to bottom successively, seal cover board (324), efficient integrated water refrigeration heat-radiation structure one (323), optically focused crystal silicon battery array (322), dichroic band lead to optically filtering sheet (321), and Inlet and outlet water tubes connection mouth one (325) is communicated with seal cover board (324).
3. a kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit according to claim 2, it is characterized in that: described GaInP/GaInAs/Ge tri-junction battery array structure (33) comprises GaInP/GaInAs/Ge tri-junction battery array (331), efficient integrated water refrigeration heat-radiation structure two (332), Inlet and outlet water tubes connection mouth two (333) from top to bottom successively, and Inlet and outlet water tubes connection mouth two (333) is together with carving type construction unit support fixed structure (34) and being embedded in.
4. a kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit according to claim 3, it is characterized in that: described efficient integrated water refrigeration heat-radiation structure one (323) is identical with efficient integrated water refrigeration heat-radiation structure two (332) structure, include the identical parallel sawtooth panel of multiple spacing to interlock stacking formation water supply currency structure, Inlet and outlet water tubes connection mouth one (325) and both one-in-and-one-outs of Inlet and outlet water tubes connection mouth one (333), realize initiatively water circulation by outside water pump; The waterway circulating of two efficient integrated water refrigeration heat-radiation structures is serial or parallel connections.
5. a kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit according to claim 1, it is characterized in that: described large area dish-style parabolic reflector concentrator (1) is made up of thin aluminium or iron sheet, and by the assembled complete dish-style paraboloid structure of multiple fan-shaped paraboloid structure, reflecting surface realizes high reflectance by silver-plated.
6. a kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit according to claim 1, it is characterized in that: described secondary dodging unit (2) adopts the paraboloid structure body long column body identical with carving type construction unit light entrance port size to form solid, utilize low iron height transparent glass material to be made, realize the high-transmission rate to sunray.
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| CN201420688591.1U CN204272008U (en) | 2014-11-14 | 2014-11-14 | A kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit |
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| CN201420688591.1U CN204272008U (en) | 2014-11-14 | 2014-11-14 | A kind of color dispersion-type dish-style reflective light-gathering solar photovoltaic electricity-generating component unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208950A (en) * | 2016-09-30 | 2016-12-07 | 湖北工业大学 | A kind of dish-style reflective concentration photo-electric power generation system being conducive to crop growth |
| CN106877790A (en) * | 2017-02-24 | 2017-06-20 | 湖北工业大学 | The lighting generation device that the full spectrum of solar energy is utilized is realized using optically focused light splitting technology |
| CN106961247A (en) * | 2017-03-06 | 2017-07-18 | 湖北工业大学 | A kind of concentrating solar battery water-cooling system |
| CN107394717A (en) * | 2017-08-09 | 2017-11-24 | 安徽红桥金属制造有限公司 | A kind of photovoltaic terminal box |
-
2014
- 2014-11-14 CN CN201420688591.1U patent/CN204272008U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208950A (en) * | 2016-09-30 | 2016-12-07 | 湖北工业大学 | A kind of dish-style reflective concentration photo-electric power generation system being conducive to crop growth |
| CN106877790A (en) * | 2017-02-24 | 2017-06-20 | 湖北工业大学 | The lighting generation device that the full spectrum of solar energy is utilized is realized using optically focused light splitting technology |
| CN106961247A (en) * | 2017-03-06 | 2017-07-18 | 湖北工业大学 | A kind of concentrating solar battery water-cooling system |
| CN107394717A (en) * | 2017-08-09 | 2017-11-24 | 安徽红桥金属制造有限公司 | A kind of photovoltaic terminal box |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20161114 |