CN110146972B - Light collector - Google Patents
Light collector Download PDFInfo
- Publication number
- CN110146972B CN110146972B CN201910390024.5A CN201910390024A CN110146972B CN 110146972 B CN110146972 B CN 110146972B CN 201910390024 A CN201910390024 A CN 201910390024A CN 110146972 B CN110146972 B CN 110146972B
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- light
- array plate
- guide groove
- light collecting
- light guide
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0038—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light
- G02B19/0042—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light for use with direct solar radiation
Abstract
The invention discloses a light collector, comprising: the device comprises a lens array plate, a light collecting hole array plate, a light guide groove and a lateral light collecting system; the light guide groove is internally provided with a light collecting hole array plate, the bottom of the light collecting hole array plate is provided with a primary reflector, the lateral light collecting system is arranged on one side of the light guide groove, and the lens array plate is arranged above the light guide groove and forms an integrated closed structure with the light guide groove. In the invention, light rays irradiate into the light collecting hole array plate through the lens array plate, the light rays are reflected one by one through the reflector on the light collecting hole array plate and are transmitted to the lateral light collecting system, and finally, the invention can integrate all the light rays emitted from the lens array plate into one beam, thereby generating strong light collecting effect.
Description
Technical Field
The invention relates to the technical field of light collection, in particular to the technical field of light collection.
Background
With the increasingly poor earth resources, the investment cost of basic resources is increased, the problems of resource waste and environmental pollution are more and more emphasized, and light energy becomes one of the most potential new energy sources at present, so that a light collector is produced to improve the utilization rate of the light energy.
At present, the conventional optical collector is mainly divided into an active optical collector and a passive optical collector, wherein the active optical collector is provided with a sun tracking system on the optical collector, the angle of the optical collector can be changed according to the direction of the sun, the efficiency of light collection is increased, but extra electric power is needed to supply the optical collector for movement, the energy is consumed, which is contrary to the idea of environmental protection and energy saving.
Therefore, a need still exists in the art to provide a light collector that can collect light efficiently and has a small size.
Disclosure of Invention
Accordingly, the present invention provides a light collector.
In order to achieve the purpose, the invention adopts the following technical scheme:
a light collector, comprising: the device comprises a lens array plate, a light collecting hole array plate, a light guide groove and a lateral light collecting system;
a light collecting hole array plate is arranged in the light guide groove, and a primary reflector is arranged at the bottom of the light collecting hole array plate; the lateral light collecting system is arranged on one side of the light guide groove; the lens array plate is arranged above the light guide groove and forms an integrated closed structure with the light guide groove.
Through the technical scheme, the invention has the technical effects that: the light rays irradiate into the light collecting hole array plate through the lens array plate, are reflected one by one through the reflectors on the light collecting hole array plate and are transmitted to the lateral light collecting system, and finally, the light collecting device can integrate all the light rays incident from the lens array plate into one beam, so that a strong light collecting effect is achieved.
Preferably, the light collector further comprises a tapered array plate; the tapered array plate is disposed between the light collecting hole array plate and the lens array plate.
Preferably, the lens array sheet includes lenses and a lens array flat sheet;
the lenses are arranged at the bottom of the lens array flat plate in an array arrangement mode, and the end face with large bottom area of each conical unit of the conical array plate is opposite to the lenses.
Through the technical scheme, the invention has the technical effects that: the lenses on the lens array plate are uniformly arrayed on the lens array flat plate, so that light rays contacted by the lenses can be effectively gathered, and the light gathering effect of the light collector is improved.
Preferably, the light collecting hole array plate is provided with a light collecting hole, the end face with small bottom area of the conical unit is opposite to the light collecting hole, the light collecting hole is in one-to-one correspondence with the lens, natural light passes through the lens of the lens array plate and is transmitted to the light collecting hole array plate through the conical unit on the conical array plate, the natural light passes through the light collecting hole and is transmitted to the primary reflector, and the primary reflecting surface on the primary reflector completely reflects light transmitted by the light collecting hole.
Through the technical scheme, the invention has the technical effects that: the arrangement mode of light collecting holes is the same as that of the lenses, each light collecting hole is provided with one lens corresponding to the light collecting hole, light collected by each lens can be directly transmitted to the first-level reflector through the light collecting holes, smoothness of a light path is guaranteed, the possibility of light loss is reduced, and light collecting efficiency of the light collector is improved.
Preferably, the light guide groove is a non-upper cover groove body formed by a bottom plate and a side plate.
Preferably, the lateral light collecting system comprises a baffle I;
the baffle I is vertically arranged in the light guide groove, the baffle I and a side plate of the light guide groove form a side light guide groove, a light outlet pipe is arranged at one end of the side light guide groove, and a side light guide groove cover plate is arranged on the side light guide groove;
the light collecting hole array plate and the light guide groove form a closed structure through the baffle I.
Preferably, the lateral light collecting system further comprises a light pipe;
the light pipe is conical, light reflected by the primary reflecting surface penetrates through the light pipe and is transmitted from the front pipe orifice to the rear pipe orifice of the light pipe, the caliber of the front pipe orifice is larger than that of the rear pipe orifice, and the light pipe arrays are arranged on the baffle I.
Preferably, the lateral light collecting system further comprises a baffle II;
and secondary reflectors are arrayed on the baffle II, and light rays guided out by the light guide pipe are reflected to the light outlet pipe through secondary reflecting surfaces of the secondary reflectors.
Through the technical scheme, the invention has the technical effects that: the baffle changes the direction of the light rays vertical to the baffle to be parallel to the baffle, the light rays are completely reflected and converged together through the reflector, and the light rays are guided out from the light outlet pipe.
Preferably, the primary reflector and the secondary reflector are both multi-surface reflectors, each multi-surface reflector comprises a main reflecting surface, the main reflecting surface completely reflects the light transmitted by the light collecting hole, the projection areas of the main reflecting surfaces are larger than or equal to the area of the light collecting hole, and the included angles between the main reflecting surface and the light collecting hole array plate and between the main reflecting surface and the light collecting hole array plate are both 45-90 degrees;
the main reflecting surface of the primary reflector is a primary reflecting surface, and the main reflecting surface of the secondary reflector is a secondary reflecting surface.
Through the technical scheme, the invention has the technical effects that: the main reflecting surface of the multi-surface reflector can realize complete reflection of light, so that the transmission efficiency of light is further improved, the volume of the multi-surface reflector is smaller, the volume of the light collector can be effectively reduced when the multi-surface reflector is arranged in the light collector, the problem that the volume of the traditional light collector is overlarge is solved, and the practicability of the invention is enhanced.
Preferably, the lens array flat plate, the light collecting hole array plate, the light guide pipe array flat plate and the baffle plate II are flat plates made of light-transmitting materials;
the lower surface of the light collecting hole array plate, the reflecting surface of the multi-surface reflector, the inner wall of the light guide groove, the light inlet surface and the light outlet surface of the light guide pipe array plate and the baffle plate II, the inner wall of the light outlet pipe, the inner wall of the conical light guide pipe and the lower surface of the side light guide groove cover plate are all plated with reflecting films, and the reflecting films are single-layer films of magnesium fluoride.
Through the technical scheme, the invention has the technical effects that: the lens array flat plate, the light collecting hole array plate, the light guide pipe array flat plate and the baffle II are all made of materials with good light transmission performance, so that the light transmission efficiency of the light collector can be ensured, and the light collecting performance of the light collector is improved; in addition, the reflecting film is plated on each plane, and the reflecting film is a magnesium fluoride single-layer film, so that the loss of incident light caused by phase difference in the transmission process is reduced, the transmission of light is enhanced, and the transmission efficiency of the light is further improved.
According to the technical scheme, compared with the prior art, the light collector provided by the invention can effectively focus incident light by arranging the lens array plate, the light collecting hole array plate, the multi-surface reflector, the lateral light collecting system and the light guide grooves, and the light collector adopts the form of the array plate, so that the volume of the light collector can be effectively reduced, the material cost and the transportation for manufacturing the light collector are saved, and the light collector is simple in structure, easy to install and high in practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic perspective view of a light collector according to the present invention;
FIG. 2 is a side view of a light collector of the present invention;
FIG. 3 is a schematic structural diagram of a light collector according to the present invention;
FIG. 4 is an exploded view of a light collector according to the present invention;
FIG. 5 is a schematic structural diagram of a lens array plate of a light collector according to the present invention;
FIG. 6 is a side view of a lens array plate of a light collector in accordance with the present invention;
FIG. 7 is a schematic structural diagram of a light collecting hole array plate of a light collector according to the present invention;
FIG. 8 is a schematic partial structure diagram of a light collecting hole array plate of a light collector according to the present invention;
FIG. 9 is a schematic structural view of a tapered light pipe of a light collector according to the present invention;
FIG. 10 is a schematic view of a multi-faceted reflector for a light collector in accordance with the present invention;
FIG. 11 is a schematic view of a light pipe of a light collector according to the present invention;
wherein: 1-lens array plate, 101-lens, 102-lens array plate, 2-light collecting hole array plate, 201-light collecting hole, 202-primary reflector, 203-primary reflecting surface, 3-light guide groove, 401-light outlet pipe, 402-light guide pipe, 403-baffle I, 404-secondary reflector, 405-secondary reflecting surface, 406-baffle II, 407-side light guide groove cover plate, 408-front pipe orifice, 409-rear pipe orifice, 410-reflecting film, 411-main reflecting surface and 5-conical array plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a light collector, which not only has the characteristic of high-efficiency light collection, but also overcomes the defect of larger volume of the traditional light collector.
Example (b):
a light collector, comprising: the device comprises a lens array plate 1, a light collecting hole array plate 2, a light guide groove 3 and a lateral light collecting system;
the light guide groove 3 is internally provided with a light collecting hole array plate 2, the bottom of the light collecting hole array plate 2 is provided with a primary reflector 202, a lateral light collecting system is arranged on one side of the light guide groove 3, and the lens array plate 1 is arranged above the light guide groove 3 and forms an integrated closed structure with the light guide groove 3.
Further, the light collector also comprises a tapered array plate 5; the tapered array plate 5 is disposed between the light collecting hole array plate 2 and the lens array plate 1.
Further, the lens array sheet 1 includes lenses 101 and a lens array flat sheet 102;
the lenses 101 are arranged at the bottom of the lens array plate 102 in an array arrangement, and the end face of the tapered array plate 5 with large area of the bottom of each tapered unit is opposite to the lens 101.
In order to further optimize the technical scheme, the parameters of the lenses 101 of the lens array plate 1 are 20mm in diameter, 14.75mm in curvature radius and 30mm in focal length, so that natural light passing through the lenses 101 is completely focused.
Furthermore, the light collecting hole array plate 2 is provided with a light collecting hole 201, the end face with small bottom area of the conical unit is opposite to the light collecting hole 201, the light collecting hole 201 corresponds to the lens 101 one by one, the bottom of the light collecting hole array plate 2 is provided with a primary reflector 202, light transmitted to the light collecting hole array plate 2 passes through the light collecting hole 201 to be transmitted to the primary reflector 202, and the primary reflecting surface 203 on the primary reflector 202 completely reflects light transmitted by the light collecting hole 201.
In order to further optimize the above technical solution, the light collecting holes 201 are isosceles trapezoids with specific dimensions of 2.5mm at the upper bottom, 5mm at the lower bottom and 5mm at the waist.
To further optimize the above solution, the area of the array of lenses 101 is the same as the area of the array of light collecting holes 201.
Further, the light guide groove 3 is formed by a bottom plate and a side plate as a non-upper cover groove body.
Further, the lateral light collecting system comprises a baffle I403;
the baffle I403 is vertically arranged in the light guide groove 3, the baffle I403 and a side plate of the light guide groove 3 form a side light guide groove, one end of the side light guide groove is provided with a light outlet pipe 401, and the side light guide groove is provided with a side light guide groove cover plate 407;
the light collecting hole array plate 2 and the light guide grooves 3 are formed into a closed structure through the baffle plate I403.
Still further, the lateral light collecting system further includes a light pipe 402;
the light pipe 402 is conical, the light reflected by the primary reflecting surface is transmitted 408 from the front pipe orifice of the light pipe 402 to the rear pipe orifice 409 through the light pipe 402, the caliber of the front pipe orifice 408 is larger than that of the rear pipe orifice 409, and the light pipes 402 are arrayed on the baffle plate I403.
In order to further optimize the above technical solution, the front nozzle 408 of the light pipe 402 is a square with a side length of 20mm, the rear nozzle 409 is a square with a side length of 10mm, and the tapered light pipe 402 further focuses light, thereby reducing loss in the light transmission process.
Furthermore, the lateral light collecting system further comprises a baffle II 406;
the secondary reflectors 405 are arrayed on the baffle II406, and the light guided out by the light guide pipe 402 is reflected to the light outlet pipe 401 through the secondary reflecting surfaces 405 of the secondary reflectors 404.
Furthermore, the primary reflector 202 and the secondary reflector 404 are both multi-surface reflectors, each multi-surface reflector includes a main reflective surface 411, the main reflective surfaces 411 completely reflect the light transmitted by the light collecting holes 201, the projection areas of the main reflective surfaces 411 are larger than or equal to the area of the light collecting holes 201, and the included angles between the main reflective surfaces 411 and the light collecting hole array plate 2 and the baffle II406 are both 45-90 degrees
The primary reflector 202 has a primary reflection surface 411 and the secondary reflector 404 has a secondary reflection surface 405, and the primary reflection surface 411 is the primary reflection surface 203.
The lens array flat plate 102, the light collecting hole array plate 2, the light guide pipe array flat plate 403 and the baffle II406 are flat plates made of light-transmitting materials;
the lower surface of the light collecting hole array plate 2, the reflecting surface of the multi-surface reflector, the inner wall of the light guide groove 3, the light inlet surface and the light outlet surface of the light guide pipe array flat plate 403 and the baffle II406, the inner wall of the light outlet pipe 401, the inner wall of the tapered light guide pipe 402 and the lower surface of the side light guide groove cover plate 407 are all plated with a reflecting film 410, and the reflecting film 410 is a magnesium fluoride single-layer film.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A light collector, comprising: the device comprises a lens array plate, a light collecting hole array plate, a light guide groove and a lateral light collecting system;
a light collecting hole array plate is arranged in the light guide groove, and a primary reflector is arranged at the bottom of the light collecting hole array plate; the lateral light collecting system is arranged on one side of the light guide groove; the lens array plate is arranged above the light guide groove and forms an integrated closed structure with the light guide groove;
the light collector further comprises a tapered array plate; the conical array plate is arranged between the light collecting hole array plate and the lens array plate;
the lens array plate comprises a lens and a lens array flat plate; the lenses are arranged at the bottom of the lens array flat plate in an array arrangement mode, and the end face with large bottom area of each conical unit of the conical array plate is opposite to the lenses;
the light collecting hole array plate is provided with light collecting holes, the end face with small bottom area of the conical unit is opposite to the light collecting holes, the light collecting holes correspond to the lenses one to one, natural light penetrates through the lenses of the lens array plate and is transmitted to the light collecting hole array plate through the conical unit on the conical array plate, the natural light penetrates through the light collecting holes and is transmitted to the primary reflector, and the primary reflecting surface on the primary reflector completely reflects light transmitted by the light collecting holes.
2. The light collector according to claim 1, wherein said light guiding grooves are formed by bottom plates and side plates without top cover.
3. A light collector according to claim 1, wherein said lateral light collecting system comprises baffles I;
the baffle I is vertically arranged in the light guide groove, the baffle I and a side plate of the light guide groove form a side light guide groove, a light outlet pipe is arranged at one end of the side light guide groove, and a side light guide groove cover plate is arranged on the side light guide groove;
the light collecting hole array plate and the light guide groove form a closed structure through the baffle I.
4. A light collector according to claim 3, wherein said lateral light collecting system further comprises a light pipe;
the light pipe is conical, light reflected by the primary reflecting surface penetrates through the light pipe and is transmitted from the front pipe orifice to the rear pipe orifice of the light pipe, the caliber of the front pipe orifice is larger than that of the rear pipe orifice, and the light pipe arrays are arranged on the baffle I.
5. The light collector according to claim 4, wherein the lateral light collecting system further comprises a baffle II;
and secondary reflectors are arrayed on the baffle II, and light rays guided out by the light guide pipe are reflected to the light outlet pipe through secondary reflecting surfaces of the secondary reflectors.
6. The light collector according to claim 5, wherein the primary reflector and the secondary reflector are both multi-surface reflectors, each multi-surface reflector comprises a main reflective surface, the main reflective surface totally reflects the light transmitted by the light collecting holes, the projection areas of the main reflective surfaces are all greater than or equal to the area of the light collecting holes, and the included angles between the main reflective surfaces and the light collecting hole array plate and the main reflective surfaces are both 45 ° to 90 °;
the main reflecting surface of the primary reflector is a primary reflecting surface, and the main reflecting surface of the secondary reflector is a secondary reflecting surface.
7. The light collector according to claim 6, wherein said lens array plate, said light collecting hole array plate, said baffle I and said baffle II are all flat plates made of light transmissive material;
the lower surface of the light collecting hole array plate, the reflecting surface of the multi-surface reflector, the inner wall of the light guide groove, the light inlet surface and the light outlet surface of the light guide pipe array plate and the baffle II, the inner wall of the light outlet pipe, the inner wall of the light guide pipe and the lower surface of the side light guide groove cover plate are plated with reflecting films, and the reflecting films are magnesium fluoride single-layer films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390024.5A CN110146972B (en) | 2019-05-10 | 2019-05-10 | Light collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390024.5A CN110146972B (en) | 2019-05-10 | 2019-05-10 | Light collector |
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| Publication Number | Publication Date |
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| CN110146972A CN110146972A (en) | 2019-08-20 |
| CN110146972B true CN110146972B (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910390024.5A Active CN110146972B (en) | 2019-05-10 | 2019-05-10 | Light collector |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111442237B (en) * | 2020-03-06 | 2021-05-07 | 上海众帆新能源科技发展有限公司 | Light collecting device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2431513B (en) * | 2005-10-21 | 2008-06-04 | Imp College Innovations Ltd | Solar concentrators |
| US20090126792A1 (en) * | 2007-11-16 | 2009-05-21 | Qualcomm Incorporated | Thin film solar concentrator/collector |
| CN102544172B (en) * | 2010-12-30 | 2015-10-21 | 财团法人工业技术研究院 | Focusing-type solar energy light guide module |
| CN103325877B (en) * | 2012-03-21 | 2017-04-12 | 摩根阳光公司 | Planar solar energy concentrator |
| US20140261622A1 (en) * | 2013-03-14 | 2014-09-18 | Qualcomm Mems Technologies, Inc. | Sun-tracking photovoltaic solar concentrator panel |
| CN205919250U (en) * | 2016-08-29 | 2017-02-01 | 北京东方风光新能源技术有限公司 | Light pipe daylighting system |
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Address after: 150000 Harbin, Nangang, West District, large straight street, No. 92 Applicant after: Harbin Institute of Technology Applicant after: Beijing Ruichi Hengye Instrument Technology Co., Ltd. Applicant after: Jiangsu Ruijing photoelectric Research Institute Co., Ltd Address before: 150000 Harbin, Nangang, West District, large straight street, No. 92 Applicant before: Harbin Institute of Technology Applicant before: Beijing Ruichi Hengye Instrument Technology Co., Ltd. Applicant before: Jiangsu Ruijing Photoelectric Co., Ltd. |
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Effective date of registration: 20191209 Address after: 210000 Building 8, No. 168, Shuanggao Road, economic development zone, Gaochun District, Nanjing City, Jiangsu Province (Yangjiang Industrial Park) Applicant after: Jiangsu Ruijing photoelectric Research Institute Co., Ltd Applicant after: Harbin Institute of Technology Applicant after: Beijing Ruichi Hengye Instrument Technology Co., Ltd. Address before: 150000 Harbin, Nangang, West District, large straight street, No. 92 Applicant before: Harbin Institute of Technology Applicant before: Beijing Ruichi Hengye Instrument Technology Co., Ltd. Applicant before: Jiangsu Ruijing photoelectric Research Institute Co., Ltd |
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