CN202794686U - Fresnel solar energy collecting lens - Google Patents
Fresnel solar energy collecting lens Download PDFInfo
- Publication number
- CN202794686U CN202794686U CN 201220544576 CN201220544576U CN202794686U CN 202794686 U CN202794686 U CN 202794686U CN 201220544576 CN201220544576 CN 201220544576 CN 201220544576 U CN201220544576 U CN 201220544576U CN 202794686 U CN202794686 U CN 202794686U
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- ring gear
- solar energy
- fresnel
- energy condenser
- surface glass
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Abstract
The utility model discloses a Fresnel solar energy collecting lens which comprises surface glass and a Fresnel lens molded on the surface glass, wherein the Fresnel lens consists of a plurality of homocentric gear ring groups, the number of gear rings in all gear ring groups are the same, all gear rings are the same in tooth profile angle, and the tooth profile angles of the gear ring groups, from the center to the edge, are gradually increased and refracted rays of the gear ring groups are finally converged on the same focusing surface to form a light spot. Compared with a common solar energy Fresnel collecting lens, each single Fresnel solar energy collecting lens has large energy in the light spot and uniform in energy distribution, can be well matched with a photocell for realizing high-efficiency photovoltaic conversion; in addition, the Fresnel solar energy collecting lens is also beneficial to spatial arrangement and reasonable design of other matched parts, and is simpler in structure and lower in cost.
Description
Technical field
The utility model relates to a kind of Fresnel solar energy condenser, is a kind of optical element of using for solar energy concentration generating or heat build-up.
Background technology
The structural requirement of solar photocell uniformly receives sun power on whole receiving plane all be useful to generating efficiency and serviceable life, is that face hot spot and the luminous energy of a maximum concentrates on this hot spot so require focusing surface.Fresnel solar energy condenser ripe on the existing market mainly contains point focusing and line focus two classes, therefore generally the top that the photoelectric cell position is arranged on the eyeglass focus makes the light after the focusing form the hot spot of certain area at this face, but the opto-electronic conversion energy on this face is not optimum condition, so obtain the position of maximum photocurrent when often debugging not in this position, but near focus, photronic efficient and life requirements have not so just been met, in addition, because the difference at Fresnel angle on the eyeglass, outside large, middle little, the reflection loss that forms in the light refraction process is different, so also be different at the evening ratio of focusing surface glazing.
The utility model content
Technical problem to be solved in the utility model just provides a kind of Fresnel solar energy condenser, it can focus on formation one and the big or small uniform hot spot of optically focused that mates of photoelectric cell, its hot spot place energy is large and be evenly distributed, and can well mate photoelectric cell and realize high efficiency opto-electronic conversion.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of Fresnel solar energy condenser, comprise surface glass and be molded over Fresnel Lenses on the surface glass, it is characterized in that: described Fresnel Lenses is made of some groups of concentric ring gear groups, each ring gear group is comprised of identical ring gear of identical profile angle, is changed from small to big and the refracted ray of each ring gear group finally all converges on the same focusing surface by the profile angle of the described ring gear group of middle mind-set edge direction.This structure also is beneficial to simultaneously the space and arranges, is beneficial to the appropriate design of supporting other parts.
As a kind of preferred scheme, the tooth depth of described every group of ring gear all equates.
As the preferred scheme of another kind, the tooth depth of each ring gear is identical in described each ring gear group, and by the edge to the tooth depth of each ring gear group of center position by high step-down.
As a kind of preferred scheme, described Fresnel Lenses centre is circular entity section, and the ring gear of this entity section moulding lacks a circle than other ring gear group.
As a kind of preferred scheme, described Fresnel Lenses centre hollow out.This structure can supporting other parts appropriate design.
Supporting as above-mentioned preferred version, the corresponding hollow out in described surface glass centre.
As a kind of preferred scheme, be shaped to square contour around the described Fresnel Lenses, thereby form the focusing surface of window shape.This structure also is beneficial to the space and arranges very much, is beneficial to the appropriate design of supporting other parts.
As further preferred scheme, be shaped to square profile around the described Fresnel Lenses.
As a kind of preferred scheme, described surface glass is protruded on the surface of described Fresnel Lenses.
As a kind of preferred scheme, the surface of described Fresnel Lenses and described surface glass maintain an equal level or are surperficial a little more than surface glass.
The utility model Fresnel Lenses is made of some groups of concentric ring gear groups, each ring gear group is comprised of identical ring gear of identical profile angle, changed from small to big and the refracted ray of each ring gear group finally can converge on the same focusing surface and forms a hot spot by the profile angle of the described ring gear group of middle mind-set edge direction, compare with common solar energy Fresnel condenser, the utility model Fresnel solar energy condenser of each monomer is large and be evenly distributed at this hot spot place energy, can well mate photoelectric cell and realize high efficiency opto-electronic conversion, this structure also is beneficial to simultaneously the space and arranges very much, be beneficial to the appropriate design of supporting other parts, and structure is more succinct, and cost is cheaper.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the preferred embodiment structural representation of the utility model Fresnel solar energy condenser;
Fig. 2 is A among Fig. 1-A cut-open view;
Fig. 3 is that I goes out enlarged drawing among Fig. 2;
Fig. 4 is embodiment two structural representations of the utility model Fresnel solar energy condenser;
Fig. 5 is embodiment three structural representations of the utility model Nie Er solar energy condenser lens;
Fig. 6 is embodiment four structural representations of the utility model Nie Er solar energy condenser lens;
Fig. 7 is that the another kind of the utility model ring gear group is arranged embodiment.
Embodiment
With reference to Fig. 1, Fig. 2 and shown in Figure 3, the preferred embodiment of a kind of Fresnel solar energy condenser of the utility model, comprise surface glass 1 and be molded over Fresnel Lenses 2 on the surface glass, described surface glass is protruded on the surface of Fresnel Lenses, described Fresnel Lenses is made of (for clearer signal some groups of concentric ring gear groups 21, ring gear group adjacent among the figure shows with solid line and dotted line difference), each ring gear group is comprised of identical ring gear of identical profile angle, the tooth depth of every group of ring gear all equates in the present embodiment, and the ring gear of per 5 identical profile angles forms a ring gear group (composing quantity of each ring gear group also can be selected other number certainly), changed from small to big and the refracted ray of each ring gear group finally all converges on the same focusing surface 01 (be part light path signal such as double dot dash line among Fig. 2) by the profile angle of the described ring gear group of middle mind-set edge direction, profile angle is shown in а among the figure, and N group ring gear group is a group of edge among the figure.The centre of Fresnel Lenses described in the present embodiment is circular entity section, and the ring gear of this entity section moulding lacks a circle than other ring gear group, and the radius of circular entity section equates with the radial width of ring gear group.Be shaped to square contour around the Fresnel Lenses described in the present embodiment, be illustrated as square structure among the figure, thereby form the focusing surface of window shape.Show and suggestion, the utility model can be realized the homogenising of energy and energy maximization on the identical focal area by a Fresnel solar energy condenser, thereby raising photoelectric transformation efficiency, need not complicated combination realizes, be more conducive to the pass battery coupling design with existing structure, structure is very succinct, and the overall space that is beneficial to solar photo-electric conversion device is arranged and the reduction cost.
Certainly, such as Fig. 4 embodiment two, described Fresnel Lenses centre also can be engraved structure, and surface glass is non-engraved structure simultaneously.Can certainly for shown in Fig. 5 embodiment three, can select as required engraved structure.The radius of engraved structure can arrange as required.This structure can supporting other parts appropriate design.As being used for the effect of the base part of other similar sniffer of setting-in.
Such as Fig. 6 embodiment three, the surface of described Fresnel Lenses also can maintain an equal level with described surface glass in addition.Certainly the surface of Fresnel Lenses can also be a little more than the surface glass surface.
Such as Fig. 7, the utility model and aforementioned preferred embodiments are basic identical, and difference is that the tooth depth of each ring gear in described each ring gear group is identical, simultaneously by the edge to the tooth depth of each ring gear group of center position by high step-down.
The height of the height of ring gear and ring gear group can arrange as required in the utility model, for example form of being reduced gradually by middle mind-set edge of the height of each ring gear etc.
Being preferred embodiment of the present utility model only below, is not to be restriction to technical solutions of the utility model, should understand, and technical spirit of the present utility model is to be covered by in the technical scope that the utility model claims advocate.
Claims (9)
1. Fresnel solar energy condenser, comprise surface glass and be molded over Fresnel Lenses on the surface glass, it is characterized in that: described Fresnel Lenses is made of some groups of concentric ring gear groups, each ring gear group is comprised of identical ring gear of identical profile angle, is changed from small to big and the refracted ray of each ring gear group finally all converges on the same focusing surface by the profile angle of the described ring gear group of middle mind-set edge direction.
2. Fresnel solar energy condenser as claimed in claim 1 is characterized in that: the tooth depth of described every group of ring gear all equates.
3. Fresnel solar energy condenser as claimed in claim 1, it is characterized in that: the tooth depth of each ring gear is identical in each ring gear group, and by the edge to the tooth depth of each ring gear group of center position by high step-down.
4. Fresnel solar energy condenser as claimed in claim 1 is characterized in that: described Fresnel Lenses centre is circular entity section, and the ring gear of this entity section moulding lacks a circle than other ring gear group.
5. Fresnel solar energy condenser as claimed in claim 1 is characterized in that: described Fresnel Lenses centre hollow out.
6. Fresnel solar energy condenser as claimed in claim 5 is characterized in that: the corresponding hollow out in described surface glass centre.
7. such as the described Fresnel solar energy condenser of any one in the claim 1 to 6, it is characterized in that: be shaped to square contour around the described Fresnel Lenses.
8. Fresnel solar energy condenser as claimed in claim 7 is characterized in that: be shaped to square profile around the described Fresnel Lenses.
9. Fresnel solar energy condenser as claimed in claim 7 is characterized in that: the surface of described Fresnel Lenses is protruded described surface glass or is maintained an equal level with described surface glass or a little more than the surface of surface glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220544576 CN202794686U (en) | 2012-10-22 | 2012-10-22 | Fresnel solar energy collecting lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220544576 CN202794686U (en) | 2012-10-22 | 2012-10-22 | Fresnel solar energy collecting lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794686U true CN202794686U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220544576 Expired - Fee Related CN202794686U (en) | 2012-10-22 | 2012-10-22 | Fresnel solar energy collecting lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202794686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679198A (en) * | 2017-03-09 | 2017-05-17 | 祝长宇 | Solar energy condensation device |
-
2012
- 2012-10-22 CN CN 201220544576 patent/CN202794686U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679198A (en) * | 2017-03-09 | 2017-05-17 | 祝长宇 | Solar energy condensation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20160427 Granted publication date: 20130313 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20161027 Granted publication date: 20130313 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20151022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |