CN105811870B - Spiral Fresnel concentrating photovoltaic assembly - Google Patents
Spiral Fresnel concentrating photovoltaic assembly Download PDFInfo
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- CN105811870B CN105811870B CN201610324509.0A CN201610324509A CN105811870B CN 105811870 B CN105811870 B CN 105811870B CN 201610324509 A CN201610324509 A CN 201610324509A CN 105811870 B CN105811870 B CN 105811870B
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- fresnel
- cingulum
- lens
- light condensing
- spiral
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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
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- Photovoltaic Devices (AREA)
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Abstract
The present invention relates to a kind of spiral Fresnel concentrating photovoltaic assembly, including Fresnel light condensing lens, tapered lens, photovoltaic cell and radiating bottom plate, Fresnel light condensing lens have two relative surfaces and the respectively plane of incidence and exit facet, the plane of incidence is smooth flat, exit facet has spiral helicine cingulum, tapered lens is in the downward inversion shape of the cone upward conehead in bottom, the exit facet of Fresnel light condensing lens is close to the upper surface of tapered lens, the lower surface of tapered lens is close in the upper surface of photovoltaic cell, and the lower surface of photovoltaic cell is close in the upper surface for stating radiating bottom plate.Solar light focusing hundreds of to projection photovoltaic battery surface after thousands of times, is made photoelectric current caused by battery under the conditions of hundreds of times of natural lightings of photoelectric current caused by the photovoltaic cell of unit area, and heat can be removed in time by the present invention.
Description
Technical field
The present invention relates to technical field of solar, more particularly to a kind of concentrating photovoltaic assembly.
Background technology
Photovoltaic cell is the device for directly luminous energy being changed into by photoelectric effect or photochemical effect electric energy.With photoelectricity
Photovoltaic cell and System Working Principle photovoltaic cell and the diaphragm type photovoltaic cell of System Working Principle effect work are main flow, and
With the photovoltaic cell of photochemical effect principle work then also in the budding stage.Solar irradiation is formed new on semiconductor p-n junctions
Hole -- electronics pair.In the presence of p-n junction electric field, hole flows to p areas by n areas, and electronics flows to n areas by p areas, connects circuit
Electric current is just formed afterwards.
Solar energy has without exhausted dangerous；Absolute cleanliness (pollution-free, in addition to battery)；Do not limited by resource distribution region
System；It can be generated electricity nearby at electricity consumption；Energy quality is high；User is acceptant from emotion；It is short to obtain the time that the energy is spent；
Electric power system reliable operation.The various advantages of solar energy, make photovoltaic cell have broad prospects.
But its photoelectric effect ratio of existing photovoltaic cell is not high, hinders its application to a certain extent.
In view of it is above-mentioned the defects of, the design people, be actively subject to research and innovation, to found a kind of spiral Fresnel optically focused
Photovoltaic module, for photovoltaic battery surface is projected after thousands of times, solar light focusing hundreds of to be made into the photovoltaic cell of unit area
Photoelectric current caused by battery under the conditions of caused hundreds of times of natural lightings of photoelectric current.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of spiral Fresnel concentrating photovoltaic assembly, it is used for
By solar light focusing hundreds of to projection photovoltaic battery surface after thousands of times, make photoelectricity fluxion caused by the photovoltaic cell of unit area
Photoelectric current caused by battery under the conditions of hundred times of natural lightings, and heat can be removed in time.
A kind of spiral Fresnel concentrating photovoltaic assembly of the present invention, including Fresnel light condensing lens, tapered lens, photovoltaic electric
Pond and radiating bottom plate, the Fresnel light condensing lens have two relative surfaces and the respectively plane of incidence and exit facet, described
The plane of incidence is smooth flat, and the exit facet has spiral helicine cingulum, and the center of the exit facet has the center without cingulum
Smooth area, the central smoothing area are circle, and the spiral helicine cingulum is in from the central smoothing area of the exit facet to described
The edge spiral of exit facet, the tapered lens is in the downward inversion shape of the cone upward conehead in bottom, and the tapered lens is in
Truncated cone shape, the Fresnel light condensing lens are located at the top of the tapered lens, and the exit facet of the Fresnel light condensing lens is tight
The upper surface of the tapered lens is pasted, the photovoltaic cell is located at the lower end of the tapered lens, and the photovoltaic cell is upper
The lower surface of the tapered lens is close on surface, and the radiating bottom plate is located at the lower section of the photovoltaic cell, and the radiating bottom
It is close to the lower surface of the photovoltaic cell in the upper surface of plate.
Further, the gross thickness of the Fresnel light condensing lens is 0.8-1.2 millimeters, the diameter in the central smoothing area
For 3-10 centimetres, the width of the cingulum is 0.8-20 centimetres, and the height of the cingulum is 0.3-1 millimeters, described spiral helicine
Cingulum, which spirals, five to 99 circles.
Further, the gross thickness of the Fresnel light condensing lens is 0.9-1.1 millimeters, the central smoothing area it is straight
Footpath is 4-7 centimetres, and the width of the cingulum is 2-4 centimetres, and the height of the cingulum is 0.5-0.8 millimeters, described spiral helicine
Cingulum, which spirals, seven to 39 circles.
Preferably, the gross thickness of the Fresnel light condensing lens is 1 millimeter, a diameter of 5 centimetres of the central smoothing area,
The width of the cingulum is 4 centimetres, and the height of the cingulum is 0.6 millimeter.
Further, the Fresnel light condensing lens are the acrylic acid Fresnel light condensing lens made of acrylic resin,
The Fresnel light condensing lens are square, and the tapered lens is in a section pyramid shape.
Further, the photovoltaic cell is three-junction gallium arsenide photovoltaic cell.
Further, the planar dimension of the radiating bottom plate is more than the planar dimension of the photovoltaic cell.
By such scheme, the present invention at least has advantages below：The spiral Fresnel concentrating photovoltaic assembly of the present invention will
Sunshine projects photovoltaic battery surface after focusing on hundreds of to thousands of times after Fresnel light condensing lens and tapered lens successively, makes unit
Photoelectric current caused by battery under the conditions of hundreds of times of natural lightings of photoelectric current caused by the photovoltaic cell of area, heat is by bottom of radiating
Plate removes.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is the principle schematic of the present invention；
Fig. 2 is the schematic cross-section of the Fresnel light condensing lens of the present invention；
Fig. 3 is the exit facet schematic diagram of the Fresnel light condensing lens of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Referring to Fig. 1, Fig. 2 and Fig. 3, the spiral Fresnel concentrating photovoltaic assembly described in a preferred embodiment of the present invention, including
Fresnel light condensing lens 1, tapered lens 2, photovoltaic cell 3 and radiating bottom plate 4, the Fresnel light condensing lens have relative two
Individual surface and the respectively plane of incidence 11 and exit facet 12, the plane of incidence are smooth flat, and the exit facet has spiral helicine
Cingulum 121, the center of the exit facet have the central smoothing area 122 without cingulum, and the central smoothing area is circular, the spiral shell
The cingulum of shape is revolved in the edge spiral from the central smoothing area of the exit facet to the exit facet, and the tapered lens is in cone
The downward inversion shape of the upward conehead in bottom, and the tapered lens is in truncated cone shape, and the Fresnel light condensing lens are located at the cone
The top of shape lens, the exit facet of the Fresnel light condensing lens are close to the upper surface of the tapered lens, the photovoltaic cell
It is close to the lower surface of the tapered lens positioned at the upper surface of the lower end of the tapered lens, and the photovoltaic cell, it is described to dissipate
Hot bottom plate is located at the lower section of the photovoltaic cell, and the lower surface of the photovoltaic cell is close in the upper surface of the radiating bottom plate.
The gross thickness of the Fresnel light condensing lens be 1 millimeter, a diameter of 5 centimetres of the central smoothing area, the tooth
The width of band is 4 centimetres, and the height of the cingulum is 0.6 millimeter, and the spiral helicine cingulum, which spirals, seven to 39 circles.
The Fresnel light condensing lens are the acrylic acid Fresnel light condensing lens made of acrylic resin, the Fresnel
Collector lens is square, and the tapered lens is in a section pyramid shape.
The photovoltaic cell is three-junction gallium arsenide photovoltaic cell.
The planar dimension of the radiating bottom plate is more than the planar dimension of the photovoltaic cell.
The operation principle of the present invention is as follows：The spiral Fresnel concentrating photovoltaic assembly of the present invention is by sunshine successively Fresnel
Photovoltaic battery surface is projected after focusing on hundreds of to thousands of times after collector lens and tapered lens, produces the photovoltaic cell of unit area
Photoelectric current, heat caused by battery are removed by radiating bottom plate under the conditions of the hundreds of times of natural lightings of raw photoelectric current.The present invention's
Fresnel light condensing lens are different from the Fei Nier lens of traditional concentric circles, but use spiral helicine cingulum, more traditional concentric
The Fresnel Lenses of round shape has the light-focusing function of more high power, can will be projected to photovoltaic cell table after thousands of times of solar light focusing
Face, make photoelectric current caused by battery under the conditions of hundreds of times of natural lightings of photoelectric current caused by the photovoltaic cell of unit area.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as protection scope of the present invention.
Claims (7)
- A kind of 1. spiral Fresnel concentrating photovoltaic assembly, it is characterised in that：Including Fresnel light condensing lens (1), tapered lens (2), photovoltaic cell (3) and radiating bottom plate (4), the Fresnel light condensing lens have two relative surfaces and are respectively incidence Face (11) and exit facet (12), the plane of incidence are smooth flat, and the exit facet has spiral helicine cingulum (121), described The center of exit facet has the central smoothing area (122) without cingulum, and the central smoothing area is circular, the spiral helicine cingulum In the edge spiral from the central smoothing area of the exit facet to the exit facet, the tapered lens is in the cone upward conehead in bottom Downward inversion shape, and the tapered lens is in truncated cone shape, and the Fresnel light condensing lens are located at the upper of the tapered lens Side, the exit facet of the Fresnel light condensing lens are close to the upper surface of the tapered lens, and the photovoltaic cell is located at the cone The lower end of shape lens, and the lower surface of the tapered lens is close in the upper surface of the photovoltaic cell, the radiating bottom plate is located at The lower section of the photovoltaic cell, and the lower surface of the photovoltaic cell is close in the upper surface of the radiating bottom plate.
- 2. spiral Fresnel concentrating photovoltaic assembly according to claim 1, it is characterised in that：The Fresnel light condensing lens Gross thickness be 0.8-1.2 millimeters, a diameter of 3-10 centimetres of the central smoothing area, the width of the cingulum is 0.8-20 lis Rice, the height of the cingulum is 0.3-1 millimeters, and the spiral helicine cingulum, which spirals, five to 99 circles.
- 3. spiral Fresnel concentrating photovoltaic assembly according to claim 2, it is characterised in that：The Fresnel light condensing lens Gross thickness be 0.9-1.1 millimeters, a diameter of 4-7 centimetres of the central smoothing area, the width of the cingulum is 2-4 centimetres, The height of the cingulum is 0.5-0.8 millimeters, and the spiral helicine cingulum, which spirals, seven to 39 circles.
- 4. spiral Fresnel concentrating photovoltaic assembly according to claim 3, it is characterised in that：The Fresnel light condensing lens Gross thickness be 1 millimeter, a diameter of 5 centimetres of the central smoothing area, the width of the cingulum is 4 centimetres, the cingulum Highly it is 0.6 millimeter.
- 5. spiral Fresnel concentrating photovoltaic assembly according to claim 1, it is characterised in that：The Fresnel light condensing lens It is the acrylic acid Fresnel light condensing lens made of acrylic resin, the Fresnel light condensing lens are square, and the taper is saturating Mirror is in a section pyramid shape.
- 6. spiral Fresnel concentrating photovoltaic assembly according to claim 1, it is characterised in that：The photovoltaic cell is three knots GaAs photovoltaic cell.
- 7. spiral Fresnel concentrating photovoltaic assembly according to claim 1, it is characterised in that：The plane of the radiating bottom plate Size is more than the planar dimension of the photovoltaic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324509.0A CN105811870B (en) | 2016-05-17 | 2016-05-17 | Spiral Fresnel concentrating photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324509.0A CN105811870B (en) | 2016-05-17 | 2016-05-17 | Spiral Fresnel concentrating photovoltaic assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105811870A CN105811870A (en) | 2016-07-27 |
| CN105811870B true CN105811870B (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610324509.0A Expired - Fee Related CN105811870B (en) | 2016-05-17 | 2016-05-17 | Spiral Fresnel concentrating photovoltaic assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111624686A (en) * | 2020-06-18 | 2020-09-04 | 广州市焦汇光电科技有限公司 | Spiral Fresnel lens |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4350412A (en) * | 1980-04-07 | 1982-09-21 | Georgia Tech Research Institute | Fresnel spiral reflector and method for making same |
| JPH10142405A (en) * | 1996-11-11 | 1998-05-29 | Toshiba Mach Co Ltd | Fresnel lens and medal mold for fresnel lens molding |
| US6307202B1 (en) * | 1998-06-15 | 2001-10-23 | The Board Of Trustees Of The Leland Stanford Junior University | Bimorph spirals for uncooled photothermal spectroscopy |
| CN203202671U (en) * | 2012-12-19 | 2013-09-18 | 深圳市光峰光电技术有限公司 | Light-emitting device and lamp |
| CN204216845U (en) * | 2014-10-29 | 2015-03-18 | 中国科学技术大学 | A kind of Fresnel concentrating photovoltaic photo-thermal assembly |
| CN205647408U (en) * | 2016-05-17 | 2016-10-12 | 中国大唐集团科学技术研究院有限公司 | Spiral fei nieer spotlight photovoltaic module |
-
2016
- 2016-05-17 CN CN201610324509.0A patent/CN105811870B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4350412A (en) * | 1980-04-07 | 1982-09-21 | Georgia Tech Research Institute | Fresnel spiral reflector and method for making same |
| JPH10142405A (en) * | 1996-11-11 | 1998-05-29 | Toshiba Mach Co Ltd | Fresnel lens and medal mold for fresnel lens molding |
| US6307202B1 (en) * | 1998-06-15 | 2001-10-23 | The Board Of Trustees Of The Leland Stanford Junior University | Bimorph spirals for uncooled photothermal spectroscopy |
| CN203202671U (en) * | 2012-12-19 | 2013-09-18 | 深圳市光峰光电技术有限公司 | Light-emitting device and lamp |
| CN204216845U (en) * | 2014-10-29 | 2015-03-18 | 中国科学技术大学 | A kind of Fresnel concentrating photovoltaic photo-thermal assembly |
| CN205647408U (en) * | 2016-05-17 | 2016-10-12 | 中国大唐集团科学技术研究院有限公司 | Spiral fei nieer spotlight photovoltaic module |
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| CN105811870A (en) | 2016-07-27 |
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