CN205430159U - Solar energy subrane photovoltaic power generation device - Google Patents
Solar energy subrane photovoltaic power generation device Download PDFInfo
- Publication number
- CN205430159U CN205430159U CN201620197573.2U CN201620197573U CN205430159U CN 205430159 U CN205430159 U CN 205430159U CN 201620197573 U CN201620197573 U CN 201620197573U CN 205430159 U CN205430159 U CN 205430159U
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- China
- Prior art keywords
- power generation
- photovoltaic power
- energy
- solar
- prism
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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
- 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 utility model belongs to the technical field of solar photovoltaic power generation facility, concretely relates to solar energy subrane photovoltaic power generation device. The utility model discloses there is the technical problem that conversion efficiency is low in it mainly to have solved current solar photovoltaic power generation facility. The utility model discloses a solar energy subrane photovoltaic power generation device, it is including throwing thing cylindrical surface reflector, the linear fresnel lens of bar, support, prism and multiband photoelectric cell unit. The utility model discloses the solar radiation that will hang down energy density assembles strip form height energy density parallel lights tens of into energy density expansion or hundreds of times through throwing the linear fresnel lens of thing cylindrical surface reflector and bar, this bar high energy density parallel light is decomposed into each wave band chromatic light through the prism, arrange the solar cell rather than wavelength matching degree the best band gap NULL at the irradiation position of different wave band chromatic light, the sunlight homoenergetic high efficiency of all wave bands converts the electric energy into, the problem of current solar photovoltaic power generation facility have the technique that conversion efficiency is low is solved.
Description
Technical field
This utility model belongs to solar energy photovoltaic generator technical field, is specifically related to a kind of solar energy subrane photovoltaic power generation apparatus.
Background technology
In the face of fossil energy is day by day exhausted and the increasing stem reality of environmental pollution, efficiently utilizing of solar energy receives publicity.The raw material of the most modal solaode uses polysilicon and monocrystal silicon mostly.The conversion efficiency of polysilicon class solaode is about 15%, and single crystal silicon series products is about 20%, and the monocrystalline silicon battery efficiency that plant layout metaplasia is produced is only 12%.The low energy densities characteristic of the low solar energy in addition of conversion efficiency of solar cell, limits the large-scale commercial applications application of solar energy power generating.
The reason that solar energy is converted to electric energy ratio low is: the ultraviolet shorter from wavelength is until longer infrared ray, and sunlight is mixed by the light of multi-wavelength, and photon energy is inversely proportional to wavelength.When photon energy is less than cell semiconductor material band gap, it is impossible to electronics is pushed to conduction band, the most just cannot produce electric energy.In photon energy, the remainder branch more than band gap is converted into thermal losses, and can not be converted into electric energy.If band gap is excessive, can not be converted to electric energy less than photon in the light wave of band gap respective frequencies, the luminous energy of loss can increase, if band gap is too small, then heat-energy losses can increase.Therefore, band gap determines solaode spectrum sensitive maximum, and the conversion efficiency limit of silicon metal class solaode is about 30%.
The semi-conducting material determined has the band gap determined, the solaode that therefore homogenous material is constituted can only efficiently change the light radiation of wave band near its band gap correspondence maximum spectrum sensitive value wavelength, it is impossible to realize the efficient conversion in whole solar radiation wave band.
Summary of the invention
The purpose of this utility model is to solve existing solar energy photovoltaic generator to there is the technical problem that conversion efficiency is low, it is provided that a kind of solar energy subrane photovoltaic power generation apparatus.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of solar energy subrane photovoltaic power generation apparatus, it includes parabolic reflector, bar shaped linear Fresnel lens, support, prism and multiband light set of cells, described parabolic reflector, bar shaped linear Fresnel lens, prism and multiband light set of cells are from left to right sequentially arranged on support, and make the focal line of parabolic reflector overlap with the focal line of bar shaped linear Fresnel lens, the bar shaped high-energy-density directional light of bar shaped linear Fresnel lens output is penetrated on prism, and each wave band coloured light making prism decompose out covers on multiband light set of cells.
This utility model uses above technical scheme, the solar radiation of low energy densities is converged by parabolic reflector and bar shaped linear Fresnel lens and expands the tens of or bar shaped high-energy-density directional light of hundreds of times for energy density, this bar shaped high-energy-density directional light is decomposed into each wave band color light through prism, at the solaode that the band gap material that the irradiation position layout degree Wavelength matched with it of different-waveband coloured light is optimal is constituted, the sunlight of all wave bands all can efficiently be converted to electric energy, solve existing solar energy photovoltaic generator and there is the technical problem that conversion efficiency is low.Therefore, compared with background technology, this utility model has the advantage that solar energy can most efficiently be converted into electric energy.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model.
Detailed description of the invention
As shown in drawings, a kind of solar energy subrane photovoltaic power generation apparatus in the present embodiment, including parabolic reflector 1, bar shaped linear Fresnel lens 2, support 3, prism 4 and multiband light set of cells 5, described parabolic reflector 1, bar shaped linear Fresnel lens 2, prism 4 and multiband light set of cells 5 are from left to right sequentially arranged on support 3, and make the focal line of parabolic reflector 1 overlap with the focal line of bar shaped linear Fresnel lens 2, the bar shaped high-energy-density directional light of bar shaped linear Fresnel lens 2 output is penetrated on prism 4, and each wave band coloured light making prism 4 decompose out covers on multiband light set of cells 5；Multiband light set of cells 5 is tiled by the solaode of multiple wave bands and forms, and wave band covers the primary spectrum scope of solar radiation, and each wave band coloured light irradiation position that different-waveband solaode position in light cell group 5 decomposes out with prism 4 is consistent.
nullOperation principle of the present utility model is: comprise multiwave parallel solar radiation can be reflected in convergence at its focal line through parabolic reflector 1 is a highlighted straight line，Move on after focal line，Run into bar shaped linear Fresnel lens 2，Because the focal line of bar shaped linear Fresnel lens 2 overlaps with the focal line position of parabolic reflector 1，By the bar shaped high-energy-density directional light that expands tens of or hundreds of times for energy density, (its width is determined the light reflected through bar shaped linear Fresnel lens 2 by bar shaped linear Fresnel lens height，Should be limited in several millimeters)，This high-energy-density directional light incides on the left side faceted pebble of prism 4，The coloured light this high-energy-density directional light being decomposed into position skew relevant to wavelength by the refraction action of prism 4 is distributed，The photovoltaic cell that different forbidden bands material is made is placed at different color light，So can accomplish that solar cell material band gap (width between conduction band and forbidden band) is mated with the optimal of solar spectrum，Efficient Conversion solar energy in small band，Realize the efficient photoelectricity treater in whole solar energy spectral range to convert.
Claims (1)
1. a solar energy subrane photovoltaic power generation apparatus, it is characterized in that: include parabolic reflector (1), bar shaped linear Fresnel lens (2), support (3), prism (4) and multiband light set of cells (5), described parabolic reflector (1), bar shaped linear Fresnel lens (2), prism (4) and multiband light set of cells (5) are from left to right sequentially arranged on support (3), and make the focal line of parabolic reflector (1) overlap with the focal line of bar shaped linear Fresnel lens (2), the bar shaped high-energy-density directional light that bar shaped linear Fresnel lens (2) exports is penetrated on prism (4), and make prism (4) decompose each wave band coloured light covering out in multiband light set of cells (5) above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620197573.2U CN205430159U (en) | 2016-03-15 | 2016-03-15 | Solar energy subrane photovoltaic power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620197573.2U CN205430159U (en) | 2016-03-15 | 2016-03-15 | Solar energy subrane photovoltaic power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205430159U true CN205430159U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620197573.2U Expired - Fee Related CN205430159U (en) | 2016-03-15 | 2016-03-15 | Solar energy subrane photovoltaic power generation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205430159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577103A (en) * | 2016-03-15 | 2016-05-11 | 山西大学 | Solar band division photovoltaic power generation device |
-
2016
- 2016-03-15 CN CN201620197573.2U patent/CN205430159U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577103A (en) * | 2016-03-15 | 2016-05-11 | 山西大学 | Solar band division photovoltaic power generation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160803 Termination date: 20210315 |