CN202652108U - Solar linear concentrating type photovoltaic power generation device - Google Patents
Solar linear concentrating type photovoltaic power generation device Download PDFInfo
- Publication number
- CN202652108U CN202652108U CN2012201828805U CN201220182880U CN202652108U CN 202652108 U CN202652108 U CN 202652108U CN 2012201828805 U CN2012201828805 U CN 2012201828805U CN 201220182880 U CN201220182880 U CN 201220182880U CN 202652108 U CN202652108 U CN 202652108U
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- 238000010248 power generation Methods 0.000 title claims abstract description 14
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 230000003667 anti-reflective effect Effects 0.000 claims description 25
- 230000005855 radiation Effects 0.000 abstract description 15
- 210000004027 cell Anatomy 0.000 description 47
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 4
- 230000005693 optoelectronics Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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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
Abstract
The utility model discloses a solar linear concentrating type photovoltaic power generation device. The solar linear concentrating type photovoltaic power generation device comprises a linear concentrating lens, a concentrator cell, a cell matrix, and a reflection reduction cover body. The focal line of the linear concentrating lens is located between the linear concentrating lens and the concentrator cell. The reflection reduction cover body is fixed on the cell matrix. The concentrator cell is located inside the reflection reduction cover body. The reflection reduction cover body comprises a cylindrical housing and a supporting housing, and a reflecting layer is arranged inside the reflection reduction cover body. A strip-type incidence hole is arranged at the center of the cylindrical housing along the focal line direction of the lens. Condenser light enters the reflection reduction cover body through the strip-type incidence hole and irradiates onto the concentrator cell, a part of the light is reflected by the surface of the concentrator cell to be irradiated onto the inner surface of the cylindrical housing, and the reflected light is reflected by the reflecting layer to be irradiated onto the surface of the concentrator cell via the original incidence path, so the utilization rate of the condenser light is improved, and uniform superposed radiation is formed on the surface of the concentrator cell. The device has the following advantages: the reflection loss on the surface of a photovoltaic cell can be further reduced, the utilization rate of the condenser light is improved, and the original condenser radiation distribution uniformity is not changed.
Description
Technical field
The utility model relates to technical field of solar utilization technique, particularly relates to a kind of device that sunlight is carried out the concentrating photovoltaic power generation utilization.
Background technology
Solar energy is a kind of regenerative resource of cleanliness without any pollution, and is inexhaustible; fully development and use solar energy not only can be saved day by day exhausted conventional energy resource; alleviate severe shortage of resources problem, but also can reduce pollution, the biological environment that to protect mankind is depended on for existence.
In numerous solar utilization techniques, common are the most solar energy power generating, solar energy thermal-power-generating, solar water heater etc.Wherein, solar concentrating photovoltaic power generation also is a kind of important form of utilizing solar energy.Solar concentrating photovoltaic power generation generally is to utilize lens or reflect focalization mode, and solar light focusing is surperficial at a less photovoltaic cell.For practical application, the application of the Fresnel Lenses of point focusing and line focus is comparatively general.But owing to the cost of the photovoltaic cell that comprises GaAs battery, III-V family multichip semiconductor joint solar cell etc. that is used at present high power concentrator is higher, hindered applying of solar concentrating photovoltaic power generation.Therefore, person skilled also in the light concentrating times and the photoelectric conversion efficiency that improve constantly photovoltaic cell with seek assiduously, thereby improved the electric energy conversion amount of the photovoltaic cell on the unit are, relative reduce the use cost of photovoltaic cell, thereby cost of electricity-generating is decreased.
When solar focusing was on the photovoltaic cell surface, reflection loss can occur.In order to reduce reflection loss, usually adopt many kinds of measures: a kind of is to use antireflective film at battery surface.This tunic is by interference effect, in theory with the upper surface of film with partly lead the light that alms bowl reflects at the interface and cancel out each other its both phase difference 180.So the former has offset the latter to a certain extent.A kind of measure is to reduce reflection by surface wool manufacturing.Any coarse surface energy increases rebound the again probability on surface of reverberation, rather than light is directly reflexed in the air, has so just reduced reflection.These techniques that reduce the technology that reflects are all very complicated, and cost is higher, and still some light can be reflected.
Summary of the invention
In order to overcome in the online concentrating photovoltaic power generation technology, the shortcoming and defect that the technical measures that make the photovoltaic cell surface reduce reflection loss exist, the utility model provides a kind of sun energy line concentrating photovoltaic power generation device, can further reduce the reflection loss on photovoltaic cell surface, raising is to the utilance of optically focused light, improve the utilance of optically focused light, and do not change the uniformity of original optically focused radiation profiles.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of sun energy line concentrating photovoltaic power generation device comprises line collector lens, concentrator cell, battery matrix, antireflective cover body.Concentrator cell is installed on the battery matrix, the concentrator cell upper surface is parallel with line collector lens surface, the line collector lens focuses on solar incident ray and forms sun optically focused light, sun optically focused rays pass through lens focal line is radiated on the concentrator cell, between the online collector lens of lens focal line and concentrator cell of line collector lens.The antireflective cover body is fixed on the battery matrix, and concentrator cell is inner at the antireflective cover body.
The antireflective cover body comprises face of cylinder housing, support housing, and wherein housing center in the face of cylinder is provided with the incident bar hole along lens focal line direction, and the section of support housing is the rectangle type.There is the reflector antireflective cover body inside.
The lens focal line forms the mirror image focal line take the surface of concentrator cell as the symmetrical mirror image planes, and the mirror image focal line is the axle center of face of cylinder housing inner surface.According to how much and optical knowledge as can be known, the radius of face of cylinder housing inner surface is the lens focal line to 2 times of the surface distance of concentrator cell, the lens focal line just in time is positioned at the center of incident bar hole on the housing of the face of cylinder, and parallel with the incident bar hole, it is inner that sun optically focused light all enters the antireflective cover body by the incident bar hole, be radiated on the concentrator cell, part light forms reflection ray directive face of cylinder housing inner surface after by the concentrator cell surface reflection, reflection through the reflector, the surface that exposes to concentrator cell by former incident path again is used for opto-electronic conversion, has improved the utilance of optically focused light.
It is inner that sun optically focused light all enters the antireflective cover body by the incident bar hole, and it is uniform being radiated at the lip-deep radiation intensity of concentrator cell.The reflection ray that is formed by the concentrator cell surface also is uniformly by reflective layer reflects to the lip-deep radiation intensity of concentrator cell of face of cylinder housing inner surface again, and by optical knowledge as can be known, the radiation intensity after twice uniform radiation stack also is uniform.The photoelectric conversion efficiency that the optically focused light of uniform radiation intensity forms at concentrator cell also is identical, thereby makes concentrator cell have best opto-electronic conversion performance.
The beneficial effects of the utility model are: can further reduce the reflection loss on photovoltaic cell surface, improve the utilance to line optically focused light, and not change the uniformity of the distribution of original optically focused radiation.
Description of drawings
Fig. 1 is that three-dimensional cross-section structure of the present utility model is used schematic diagram.
Fig. 2 is cross-section structure of the present utility model and part light path schematic diagram.
Fig. 3 is three TV structure schematic diagrames of antireflective cover body of the present utility model.
Number in the figure is described as follows:
1-line collector lens, 2-concentrator cell, 3-battery matrix, 4-antireflective cover body, 5-face of cylinder housing, 6-incident bar hole, 7-reflector, 8-support housing, 10-solar incident ray, 11-sun optically focused light, 12-reflection ray, 13-lens focal line, 14-mirror image focal line.
Embodiment
As shown in Figure 1 and Figure 2, the utility model provides a kind of sun energy line concentrating photovoltaic power generation device, comprises line collector lens 1, concentrator cell 2, battery matrix 3, antireflective cover body 4.Concentrator cell 2 is installed on the battery matrix 3, concentrator cell 2 upper surfaces are parallel with line collector lens 1 surface, line collector lens 1 focuses on solar incident ray 10 and forms sun optically focused light 11, sun optically focused light 11 scioptics focal lines 13 are radiated on the concentrator cell 2, between the lens focal line 13 online collector lenses 1 and concentrator cell 2 of line collector lens 1.Antireflective cover body 4 is fixed on the battery matrix 3, and concentrator cell 2 is in antireflective cover body 4 inside.
Such as Fig. 2, shown in Figure 3, antireflective cover body 4 comprises face of cylinder housing 5, support housing 8, and wherein housing 5 centers in the face of cylinder are provided with incident bar hole 6 along lens focal line 13 directions, and the section of support housing 8 is the rectangle type.There is reflector 7 antireflective cover body 4 inside.
As shown in Figure 3, lens focal line 13 forms mirror image focal line 14 take the surface of concentrator cell 2 as the symmetrical mirror image planes, and mirror image focal line 14 is axle center of face of cylinder housing 5 inner surfaces.According to how much and optical knowledge as can be known, the radius of face of cylinder housing 5 inner surfaces is lens focal lines 13 to 2 times of the surface distance of concentrator cell 2, lens focal line 13 just in time is positioned at the center of incident bar hole 6 on the face of cylinder housing 5, and parallel with incident bar hole 6, sun optically focused light 11 all enters antireflective cover body 4 inside by incident bar hole 6, be radiated on the concentrator cell 2, part light forms reflection ray 12 directive face of cylinder housing 5 inner surfaces after by concentrator cell 2 surface reflections, reflection through reflector 7, the surface that exposes to concentrator cell 2 by former incident path again is used for opto-electronic conversion, has improved the utilance of optically focused light.The light that reflects for the second time through concentrator cell 2 surfaces by the incident path of sun optically focused light 11, reflexes to antireflective cover body 4 through incident bar hole 6 and is not utilized in addition.
As shown in Figure 3, sun optically focused light 11 all enters antireflective cover body 4 inside by incident bar hole 6, and it is uniform being radiated at concentrator cell 2 lip-deep radiation intensity.It also is uniform that the reflection rays 12 that formed by concentrator cell 2 surface reflex to concentrator cell 2 lip-deep radiation intensity by the reflector 7 of face of cylinder housing 5 inner surfaces again, by optical knowledge as can be known, the radiation intensity after twice uniform radiation stack also is uniform.The optically focused light of radiation intensity also is identical in the photoelectric conversion efficiency that concentrator cell 2 forms uniformly, thereby makes concentrator cell 2 have best opto-electronic conversion performance.
As shown in Figure 3, the reflectivity of supposing concentrator cell 2 surfaces is 10%, the reflectivity in reflector 7 is 100%, then the utilance of 2 pairs of sun optically focused of concentrator cell light 11 is by 90%, bring up to and utilize 99% behind the antireflective cover body 4,1% the optically focused light of only having an appointment is not utilized to external radiation through incident bar hole 6.
As shown in Figure 1, a line collector lens 1, concentrator cell 2 corresponding antireflective cover bodies 4.
Claims (2)
1. a sun energy line concentrating photovoltaic power generation device comprises line collector lens (1), concentrator cell (2), battery matrix (3), it is characterized in that, also comprises antireflective cover body (4); The lens focal line (13) of line collector lens (1) is positioned between line collector lens (1) and the concentrator cell (2); Antireflective cover body (4) is fixed on the battery matrix (3), and concentrator cell (2) is in antireflective cover body (4) inside; Antireflective cover body (4) comprises face of cylinder housing (5), support housing (8), wherein face of cylinder housing (5) center is provided with incident bar hole (6) along lens focal line (13) direction, and there is reflector (7) antireflective cover body (4) inside; Lens focal line (13) forms mirror image focal line (14) take the surface of concentrator cell (2) as the symmetrical mirror image planes, mirror image focal line (14) is the axle center of face of cylinder housing (5) inner surface, the radius of face of cylinder housing (5) inner surface is lens focal line (13) to 2 times of the surface distance of concentrator cell (2), lens focal line (13) is positioned at the center of the upper incident bar hole (6) of face of cylinder housing (5), and parallel with incident bar hole (6).
2. a kind of sun energy line concentrating photovoltaic power generation device according to claim 1 is characterized in that: a line collector lens (1), the corresponding antireflective cover body (4) of a concentrator cell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201828805U CN202652108U (en) | 2012-04-26 | 2012-04-26 | Solar linear concentrating type photovoltaic power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201828805U CN202652108U (en) | 2012-04-26 | 2012-04-26 | Solar linear concentrating type photovoltaic power generation device |
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| Publication Number | Publication Date |
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| CN202652108U true CN202652108U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201828805U Expired - Lifetime CN202652108U (en) | 2012-04-26 | 2012-04-26 | Solar linear concentrating type photovoltaic power generation device |
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| CN (1) | CN202652108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204739A (en) * | 2016-03-18 | 2017-09-26 | 苏州绿豆豆软件科技有限公司 | A kind of condensation photovoltaic high-efficiency battery box, the concentration photovoltaic system containing the battery case |
-
2012
- 2012-04-26 CN CN2012201828805U patent/CN202652108U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204739A (en) * | 2016-03-18 | 2017-09-26 | 苏州绿豆豆软件科技有限公司 | A kind of condensation photovoltaic high-efficiency battery box, the concentration photovoltaic system containing the battery case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XINJIANG YIJIN ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XINJIANG TIANHE JUNENG PHOTOVOLTAIC TECHNOLOGY CO., LTD. Effective date: 20140806 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 830011 URUMQI, XINJIANG UYGUR AUTONOMOUS REGION TO: 830013 URUMQI, XINJIANG UYGUR AUTONOMOUS REGION |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140806 Address after: 830013 the Xinjiang Uygur Autonomous Region Urumqi city Kashi Road District Huamei Wenxuan room 2-2-502 Patentee after: Xinjiang Yijin Energy Technology Co., Ltd. Address before: 830011, A, building 25, Pacific Century International Center, 416 South Road, the Xinjiang Uygur Autonomous Region, Urumqi, Beijing Patentee before: Xinjiang Tianhe Juneng Photovoltaic Technology Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Desheng Document name: Notification of Passing Examination on Formalities |
|
| CP03 | Change of name, title or address |
Address after: 830000 81 Central South Road, Urumqi, the Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Yang Guan electric Polytron Technologies Inc Address before: 830013 2-2-502 room, Huamei Wen Xuan District, Kashi East Road, Urumqi, the Xinjiang Uygur Autonomous Region. Patentee before: Xinjiang Yijin Energy Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Patentee|Address Correct: Xinjiang Yijin Energy Technology Co., Ltd.|830013 2-2-502 room, Huamei Wen Xuan District, Kashi East Road, Urumqi, the Xinjiang Uygur Autonomous Region. False: Xinjiang Yang Guan electric Polytron Technologies Inc|830000 81 Central South Road, Urumqi, the Xinjiang Uygur Autonomous Region Number: 31-02 Volume: 34 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180918 Address after: 830011, 4 floor, grand view building, 81 Central South Road, Urumqi, Xinjiang Patentee after: Xinjiang Sunshine Electric Communication Technology Co., Ltd. Address before: 830013 2-2-502 room, Huamei Wen Xuan District, Kashi East Road, Urumqi, the Xinjiang Uygur Autonomous Region. Patentee before: Xinjiang Yijin Energy Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |