CN202839702U - Solar concentrating photovoltaic apparatus - Google Patents
Solar concentrating photovoltaic apparatus Download PDFInfo
- Publication number
- CN202839702U CN202839702U CN201220357713XU CN201220357713U CN202839702U CN 202839702 U CN202839702 U CN 202839702U CN 201220357713X U CN201220357713X U CN 201220357713XU CN 201220357713 U CN201220357713 U CN 201220357713U CN 202839702 U CN202839702 U CN 202839702U
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- China
- Prior art keywords
- fresnel lens
- linear fresnel
- module array
- photovoltaic module
- photovoltaic
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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
-
- 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
- Y02E10/60—Thermal-PV hybrids
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- Photovoltaic Devices (AREA)
Abstract
Disclosed in the utility model is a solar concentrating photovoltaic apparatus that comprises a linear fresnel lens, a support and a photovoltaic module array. The linear fresnel lens and the photovoltaic module array are fixed on the support and are formed into an upper layer and a lower layer, wherein the linear fresnel lens is arranged at the upper layer and the photovoltaic module array is arranged at the lower layer. According to the utility model, the linear fresnel lens is applied to a common photovoltaic module array, thereby substantially reducing the cost and effectively improving the utilization rate of the sunshine.
Description
Technical field
The utility model relates to a kind of solar concentrating photovoltaic device, belongs to the photovoltaic field.
Background technology
Solar energy is that one of clean energy resource of using value is arranged most, is the important component part of following basic energy resource, and solar photovoltaic technology is converted into electric energy with solar energy.At present, photovoltaic power generation technology has: directly use silicon wafer photovoltaic cell or film photovoltaic cell to carry out opto-electronic conversion, utilize concentrating photovoltaic assembly to carry out opto-electronic conversion.Directly use silicon wafer photovoltaic cell or film photovoltaic cell to carry out opto-electronic conversion and have inefficient defective, and utilize concentrating photovoltaic assembly to carry out opto-electronic conversion because composition is complicated, the parts required precision is high, so there are the problems such as cost is high, making difficulty, and owing to technology and some other reason are difficult to the concentrating photovoltaic assembly array is done greatly at present, therefore, its use is limited by very large.
The utility model content
The purpose of this utility model provides a kind of solar concentrating photovoltaic device.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of solar concentrating photovoltaic device, comprise linear Fresnel lens, support and photovoltaic module array, described linear Fresnel lens and photovoltaic module array all are fixed on the support, and form two-layer up and down, linear Fresnel lens is the upper strata, and the photovoltaic module array is lower floor.
Like this, poly-to the photovoltaic module array by the light of linear Fresnel lens, just transform light energy has been become electric energy by the photovoltaic module array.
Fresnel Lenses is divided into linear Fresnel lens and some Fresnel Lenses, after linear Fresnel lens refers to that light passes through, is converged to the euphotic zone of a linearity, refers to that light becomes a hot spot by post-concentration and put Fresnel Lenses.
Distance between linear Fresnel lens and the photovoltaic module array in the situation that linear Fresnel lens is certain, is determined according to required light concentrating times, in the situation that consider the heat radiation of photovoltaic module array, light concentrating times is generally 1.5-10 doubly.
The linear Fresnel lens surface is shiny surface, and the back side (also can be described as gathering face) is generally dentation for the purpose of optically focused, and during assembling solar condensation photovoltaic device, the surface is towards sunlight.
For the ease of adjusting the direction of the relative sunlight of linear Fresnel lens, preferred, described support comprises Working rack and supporting bracket, and Working rack is rotatably connected on the supporting bracket; Linear Fresnel lens and photovoltaic module array all are fixed on the Working rack, and two-layer about forming, and linear Fresnel lens is the upper strata, and the photovoltaic module array is lower floor.Like this, if need to adjust the direction of the relative sunlight of linear Fresnel lens, just the rotation work support can.
In order to improve generating efficiency, described support is provided with the normal direction that can make linear Fresnel lens and shines upon the solar automatic tracker that direction is consistent.
In order to guarantee light concentrating times, the light that linear Fresnel lens is assembled is utilized effectively, and is preferred, and the wide of linear Fresnel lens is the wide 1.5-10 of photovoltaic module array times; The length of linear Fresnel lens is not less than the length of photovoltaic module array.
In order to guarantee normal the use, do not waste resource simultaneously, preferred, the wide of linear Fresnel lens is 0.5-10 rice.
In order to guarantee the life-span of photovoltaic module array, guarantee that simultaneously light arrives the conversion ratio of electricity, preferred, the light by linear Fresnel lens can converge on the photovoltaic module array equably.In order to make the illumination on the photovoltaic module array even, distance between the multiple of optically focused and linear Fresnel lens and the photovoltaic module array is calculated the angle that linear Fresnel lens gathering face need to be processed as required, gathering face refers to the face relative with the surface, the surface is smooth, and light drops on the surface and passes lens and assemble by gathering face.
In order to save cost, preferred, the photovoltaic module array is silicon wafer photovoltaic cell group or film photovoltaic cell group; Silicon wafer photovoltaic cell group is, on the generatrix direction of linear Fresnel lens, the silicon wafer photovoltaic cell more than two that is joined by one or order forms; The film photovoltaic cell group is, on the generatrix direction of linear Fresnel lens, the film photovoltaic cell more than two that is joined by one or order forms.
The generatrix direction of above-mentioned linear Fresnel lens refers to: light is converged to the euphotic zone of a linearity by behind the linear Fresnel lens, and the length direction of linear euphotic zone is the generatrix direction of linear Fresnel lens.Linear Fresnel lens on its generatrix direction, can be spliced by the polylith linear Fresnel lens that order is joined.
In order to improve the heat dispersion of photovoltaic module array, preferred, the backboard of described photovoltaic module array is the aluminium sheet of 0.3-3mm.Conventional photovoltaic module is to be formed by encapsulation such as some Silicon photrouics sheets (or film photovoltaic cell sheet), EVA, backboard, terminal box, aluminium frames.Above-mentioned aluminium sheet also can replace with other various heat sink materials or radiator, to considering the aspects such as economical and practical, uses the aluminium sheet best results.
Generally, the surface of described linear Fresnel lens is the plane.
In order further to improve the optical efficiency of linear Fresnel lens, preferred, the surface of described linear Fresnel lens is cylinder.
When practical application, can determine the installation direction of solar concentrating photovoltaic device according to the latitude of answering land used, so that solar ray energy is better utilized, behind the orientation determination, support is fixed on the ground.
The utility model is applied to linear Fresnel lens on the general photovoltaic module array, at decrease in the cost, effectively improved the utilance of sunlight.
Description of drawings
Fig. 1 is embodiment 1 solar concentrating photovoltaic apparatus structure schematic diagram.
Fig. 2 is embodiment 2 solar concentrating photovoltaic apparatus structure schematic diagrames.
Fig. 3 is embodiment 3 solar concentrating photovoltaic apparatus structure schematic diagrames.
Fig. 4 is the utility model principle schematic.
Fig. 5 is the utility model photovoltaic module array schematic diagram.
Above-mentioned, 1 is linear Fresnel lens, and 2 is the photovoltaic module array, and 3 is support, and 4 is solar automatic tracker, and 5 is light.
Embodiment
In order to understand better the utility model, further illustrate content of the present utility model below in conjunction with embodiment, but content of the present utility model not only is confined to the following examples.
As shown in Figure 1, the solar concentrating photovoltaic device comprises linear Fresnel lens, support and photovoltaic module array, described linear Fresnel lens and photovoltaic module array all are fixed on the support, and two-layer about forming, linear Fresnel lens is the upper strata, and the photovoltaic module array is lower floor.
The photovoltaic module array is silicon wafer photovoltaic cell group; Silicon wafer photovoltaic cell group is that on the generatrix direction of linear Fresnel lens, 6 silicon wafer photovoltaic cells that order is joined form; Linear Fresnel lens can by, on its generatrix direction, 6 linear Fresnel lens that order is joined are spliced; The backboard of described photovoltaic module array is the aluminium sheet of 0.3mm.The surface of described linear Fresnel lens is the plane.Linear Fresnel lens wide is wide 10 times of photovoltaic module array, grows up in the length of photovoltaic module array.
On the said apparatus fixed bottom boundary, the generatrix direction of linear Fresnel lens is east-west direction, difference according to season, adjust installation direction, make linear Fresnel lens surface normal direction point to midday sun direction every day, the angle of the sun changes sooner or later, the part longer than photovoltaic battery array by Fresnel Lenses adapted to, its benefit is not need from motion tracking, only the angle of needs several days or a North and South direction of adjustment in tens days.
As shown in Figure 2, the solar concentrating photovoltaic device comprises linear Fresnel lens, support and photovoltaic module array, and described support comprises Working rack and supporting bracket, and Working rack is rotatably connected on the supporting bracket; Linear Fresnel lens and photovoltaic module array all are fixed on the Working rack, and two-layer about forming, and linear Fresnel lens is the upper strata, and the photovoltaic module array is lower floor.Described support is provided with the normal direction that can make linear Fresnel lens and shines upon the solar automatic tracker that direction is consistent.
The photovoltaic module array is the film photovoltaic cell group; The film photovoltaic cell group is that on the generatrix direction of linear Fresnel lens, 8 film photovoltaic cells that order is joined form; Linear Fresnel lens can by, on its generatrix direction, 8 linear Fresnel lens that order is joined are spliced; The backboard of described photovoltaic module array is the aluminium sheet of 3mm.The surface of described linear Fresnel lens is the plane.Linear Fresnel lens wide is wide 2 times of photovoltaic module array, grows up in the length of photovoltaic module array.
On the said apparatus fixed bottom boundary, (bus) length direction of linear Fresnel lens is North and South direction, mounting bracket can be according to the difference of direction of sun every day, automatically change linear Fresnel lens surface normal direction, make normal direction point at any time solar direction, seasonal variations causes the variation of solar declination degree to grow the part solution by linear Fresnel than photovoltaic module array, and its benefit is, every day real-time automatic tracking, energy output will increase approximately 50%.
The solar concentrating photovoltaic device, comprise linear Fresnel lens, support and photovoltaic module array, described linear Fresnel lens and photovoltaic module array all are fixed on the support, and form two-layer up and down, linear Fresnel lens is the upper strata, and the photovoltaic module array is lower floor.
The photovoltaic module array is silicon wafer photovoltaic cell group; Silicon wafer photovoltaic cell group is that on the generatrix direction of linear Fresnel lens, 10 silicon wafer photovoltaic cells that order is joined form; Linear Fresnel lens can by, on its generatrix direction, 12 linear Fresnel lens that order is joined are spliced; The backboard of described photovoltaic module array is the aluminium sheet of 0.3mm.The surface of described linear Fresnel lens is cylinder.Linear Fresnel lens wide is wide 10 times of photovoltaic module array, grows up in the length of photovoltaic module array.
On the said apparatus fixed bottom boundary, linear Fresnel lens is cylindrical shape.Its advantage be the optical efficiency of cylinder linear Fresnel lens than the height of planar linear Fresnel Lenses, larger to the fault tolerance of making.Cylinder linear Fresnel lens for glass material is made has increased crooked tempering, has increased cost than the tempering of planar linear Fresnel Lenses.
Claims (10)
1. solar concentrating photovoltaic device, it is characterized in that: comprise linear Fresnel lens, support and photovoltaic module array, described linear Fresnel lens and photovoltaic module array all are fixed on the support, and form two-layer up and down, linear Fresnel lens is the upper strata, and the photovoltaic module array is lower floor.
2. solar concentrating photovoltaic device as claimed in claim 1, it is characterized in that: described support comprises Working rack and supporting bracket, Working rack is rotatably connected on the supporting bracket; Linear Fresnel lens and photovoltaic module array all are fixed on the Working rack, and two-layer about forming, and linear Fresnel lens is the upper strata, and the photovoltaic module array is lower floor.
3. solar concentrating photovoltaic device as claimed in claim 2 is characterized in that: described support is provided with the normal direction that can make linear Fresnel lens and shines upon the solar automatic tracker that direction is consistent.
4. such as the described solar concentrating photovoltaic device of claims 1 to 3 any one, it is characterized in that: the wide of linear Fresnel lens is the wide 1.5-10 of photovoltaic module array times; The length of linear Fresnel lens is not less than the length of photovoltaic module array.
5. such as the described solar concentrating photovoltaic device of claims 1 to 3 any one, it is characterized in that: the wide of linear Fresnel lens is 0.5-10 rice.
6. such as the described solar concentrating photovoltaic device of claims 1 to 3 any one, it is characterized in that: the light by linear Fresnel lens can converge on the photovoltaic module array equably.
7. such as the described solar concentrating photovoltaic device of claims 1 to 3 any one, it is characterized in that: the photovoltaic module array is silicon wafer photovoltaic cell group or film photovoltaic cell group; Described silicon wafer photovoltaic cell group on the generatrix direction of linear Fresnel lens, is comprised of one or the silicon wafer photovoltaic cell more than two that joins of order; Described film photovoltaic cell group on the generatrix direction of linear Fresnel lens, is comprised of one or the film photovoltaic cell more than two that joins of order.
8. such as the described solar concentrating photovoltaic device of claims 1 to 3 any one, it is characterized in that: the backboard of described photovoltaic module array is the aluminium sheet of 0.3-3mm.
9. such as the described solar concentrating photovoltaic device of claims 1 to 3 any one, it is characterized in that: the surface of described linear Fresnel lens is the plane.
10. such as the described solar concentrating photovoltaic device of claims 1 to 3 any one, it is characterized in that: the surface of described linear Fresnel lens is cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220357713XU CN202839702U (en) | 2012-07-23 | 2012-07-23 | Solar concentrating photovoltaic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220357713XU CN202839702U (en) | 2012-07-23 | 2012-07-23 | Solar concentrating photovoltaic apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN202839702U true CN202839702U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220357713XU Expired - Fee Related CN202839702U (en) | 2012-07-23 | 2012-07-23 | Solar concentrating photovoltaic apparatus |
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| CN (1) | CN202839702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768293A (en) * | 2018-04-08 | 2018-11-06 | 上海理工大学 | A kind of plate photovoltaic and photothermal integral composite solar heat collector of optically focused |
-
2012
- 2012-07-23 CN CN201220357713XU patent/CN202839702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768293A (en) * | 2018-04-08 | 2018-11-06 | 上海理工大学 | A kind of plate photovoltaic and photothermal integral composite solar heat collector of optically focused |
| CN108768293B (en) * | 2018-04-08 | 2021-10-01 | 上海理工大学 | Light-gathering flat plate type photovoltaic and photo-thermal integrated composite solar heat collector |
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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: 20130327 Termination date: 20170723 |