CN203799105U - Wide single-distance linear focusing grating piece - Google Patents
Wide single-distance linear focusing grating piece Download PDFInfo
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- CN203799105U CN203799105U CN201420107734.5U CN201420107734U CN203799105U CN 203799105 U CN203799105 U CN 203799105U CN 201420107734 U CN201420107734 U CN 201420107734U CN 203799105 U CN203799105 U CN 203799105U
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Abstract
The utility model relates to a wide single-distance linear focusing grating piece. Convex lens focusing and concave mirror reflection are two kinds of easily implemented focusing technologies in the prior art. Slot type, tower type, butterfly type and Fresnel concave mirror technologies are widely applied at present, the plurality of focusing modes are great in investment, ideal effects can only be acquired by large-scale applications, and a traditional convex lens is very heavy and unsatisfactory in focusing effect. The wide single-distance linear focusing grating piece provided by the utility model comprises a sheet-like lens body, wherein the lens body is provided with an incident surface and an emergent surface. The wide single-distance linear focusing grating piece is characterized in that the emergent surface is provided with a plurality of focusing structures which are arranged in an array mode and used for focusing light at one side, the focusing structure comprises a plurality of focusing surfaces used for focusing the light and a plurality of connecting surfaces, and the focusing surfaces and the connecting surfaces are distributed at intervals. The wide single-distance linear focusing grating piece provided by the utility model is simple in structure and reasonable in design, the focusing surfaces of the focusing structures can refract the light along the direction of a vacuum tube so as to improve the utilization rate of the light.
Description
Technical field
The utility model relates to a kind of wide cut list apart from line focus lenticular lenses, is applicable on solar thermal collector and for collected light, thereby increases solar energy density.
Background technology
Along with social development, the mankind show outstanding for the demand day of the energy, find a kind of clean, efficient energy and are classified as one of heavy plan of Long-and Medium-term Development by various countries, and sun power more and more receives people's concern with the unlimitedness of its exploitation and the spatter property of utilization.Sun power was widely used in civil water heater system in recent years, but account for 70% industrial sector in energy resource consumption, be that serviceability temperature is the industrial heat of 80 DEG C-250 DEG C, sun power utilization is obviously not enough, and temperature utilizes the key of development to be just how to obtain the more sun power of high-energy-density, i.e. optically focused technology in restriction sun power.Known two kinds of optically focused technology of being convenient to realize be respectively convex lens optically focused and concave mirror reflective.Concave mirror technology is now widely used slot type, tower, butterfly, a Fresnel, and these several optically focused modes are invested greatly, need scale to apply and just can obtain desirable effect.Tradition convex lens are very heavy and spotlight effect is also undesirable.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, and spotlight effect is good, and the high wide cut list of light utilization is apart from line focus lenticular lenses.
The technical scheme in the invention for solving the above technical problem is: this wide cut list comprises the lens body of sheet apart from line focus lenticular lenses, described lens body is provided with the plane of incidence and exit facet, it is characterized in that: described exit facet be provided with some array arrangements for the focusing structure to a side by light-ray condensing, described focusing structure comprises some focusing surfaces for focused ray and some joint faces, and described focusing surface and joint face are spaced apart.Focusing structure is used to vacuum tube collected light, improves light utilization, and the focusing surface of focusing structure can reflect light along vacuum tube direction, thereby raising light utilization, due to focusing structure by light-ray condensing to a side, thereby when vacuum tube is set, can conserve space.
Focusing surface described in the utility model is arcwall face, and described joint face is plane.
Focusing surface described in the utility model comprises the first focusing surface, the second focusing surface, the 3rd focusing surface and the 4th focusing surface, and wherein the first focusing surface, the second focusing surface, the 3rd focusing surface and the 4th focusing surface are the different arcwall face of arc diameter.The direction of light after the first focusing surface, the second focusing surface, the 3rd focusing surface or the refraction of the 4th focusing surface all pointed to vacuum tube.
Lens body described in the utility model and focusing structure are integral type structure.The width of lens body exceedes 1.2 meters, lens body and focusing structure be disposable extrude or adopt carving etching technique make process, easy to process, be applicable to batch production.
Lens body described in the utility model is glass or polyolefin material.The permeability of glass or polyolefin material is better, and cost is relatively low, is beneficial to market competition.
The utility model compared with prior art, has the following advantages and effect: simple in structure, reasonable in design, focusing structure is used to vacuum tube collected light, improve light utilization, the focusing surface of focusing structure can reflect light along vacuum tube direction, thereby improves light utilization.
Brief description of the drawings
Fig. 1 be in the utility model embodiment wide cut list apart from the structural representation of line focus lenticular lenses.
Fig. 2 is the enlarged diagram at A place in Fig. 1.
Fig. 3 is the optically focused schematic diagram of wide cut list apart from line focus lenticular lenses.
Fig. 4 is the perspective view of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 4, the wide cut list in the present embodiment comprises lens body 1 and focusing structure 2 in the form of sheets apart from line focus lenticular lenses.
Lens body 1 in the present embodiment is provided with the plane of incidence 11 and exit facet 12, focusing structure 2 is arranged on exit facet 12, the quantity of focusing structure 2 is identical with the quantity of vacuum tube, and focusing structure 2 is for light is converged to vacuum tube, and focusing structure 2 is arranged in array.
Focusing structure 2 in the present embodiment comprises some focusing surfaces for focused ray and some joint faces, focusing surface can be arcwall face, joint face 25 is plane, focusing surface comprises that the first focusing surface 21, the second focusing surface 22, the 3rd focusing surface 23 and the 4th focusing surface 24, the first focusing surfaces 21, the second focusing surface 22, the 3rd focusing surface 23 and the 4th focusing surface 24 converge light toward a side.The first focusing surface 21 in the present embodiment, the second focusing surface 22, the 3rd focusing surface 23 and the 4th focusing surface 24 are arcwall face, and the diameter of its arcwall face increases successively, thereby its refraction angle is increased successively, make can converge and want a place after light refraction, as shown in Figure 3, the first focusing surface 21, the second focusing surface 22, the 3rd focusing surface 23 and the 4th focusing surface 24 by light turn right below direction converge, and traditional Fresnel Lenses, its a certain array element glazed thread is converged toward centre from two ends, thereby in the time that vacuum tube is set, gap will be left in the both sides of vacuum tube, thereby cause the waste on space.
Lens body 1 in the present embodiment is integral type structure with focusing structure 2, and the width of lens body 1 exceedes 1.2 meters, and lens body 1 extrudes or adopt the making of carving etching technique to process with focusing structure 2 for disposable, easy to process, is applicable to batch production.
Lens body 1 in the present embodiment is glass or polyolefin material with focusing structure 2.
In addition, it should be noted that, the specific embodiment described in this instructions, shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this instructions is only to the utility model structure and the explanation of accompanying drawing example.All equivalence variation or simple change of doing according to described structure, feature and the principle of the utility model patent design, are included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (5)
1. a wide cut list is apart from line focus lenticular lenses, comprise the lens body of sheet, described lens body is provided with the plane of incidence and exit facet, it is characterized in that: described exit facet be provided with some array arrangements for the focusing structure to a side by light-ray condensing, described focusing structure comprises some focusing surfaces for focused ray and some joint faces, and described focusing surface and joint face are spaced apart.
2. wide cut list according to claim 1, apart from line focus lenticular lenses, is characterized in that: described focusing surface is arcwall face, and described joint face is plane.
3. wide cut list according to claim 2 is apart from line focus lenticular lenses, it is characterized in that: described focusing surface comprises the first focusing surface, the second focusing surface, the 3rd focusing surface and the 4th focusing surface, wherein the first focusing surface, the second focusing surface, the 3rd focusing surface and the 4th focusing surface are the different arcwall face of arc diameter.
4. wide cut list according to claim 1, apart from line focus lenticular lenses, is characterized in that: described lens body and focusing structure are integral type structure.
According to the wide cut list described in claim 1 or 4 apart from line focus lenticular lenses, it is characterized in that: described lens body is glass or polyolefin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420107734.5U CN203799105U (en) | 2014-03-11 | 2014-03-11 | Wide single-distance linear focusing grating piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420107734.5U CN203799105U (en) | 2014-03-11 | 2014-03-11 | Wide single-distance linear focusing grating piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799105U true CN203799105U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420107734.5U Expired - Fee Related CN203799105U (en) | 2014-03-11 | 2014-03-11 | Wide single-distance linear focusing grating piece |
Country Status (1)
| Country | Link |
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| CN (1) | CN203799105U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834080A (en) * | 2015-06-03 | 2015-08-12 | 莫文油 | Solar light-gathering panel |
| CN110794491A (en) * | 2018-08-01 | 2020-02-14 | 杨金玉 | Ten-meter diameter linear Fresnel lens system |
-
2014
- 2014-03-11 CN CN201420107734.5U patent/CN203799105U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834080A (en) * | 2015-06-03 | 2015-08-12 | 莫文油 | Solar light-gathering panel |
| CN110794491A (en) * | 2018-08-01 | 2020-02-14 | 杨金玉 | Ten-meter diameter linear Fresnel lens system |
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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: 20140827 Termination date: 20180311 |