CN110244440A - A lateral light collecting system of a light collector - Google Patents

Abstract

The invention discloses a lateral light collecting system of a light collector. The light collector comprises a lens array plate, a light collecting hole array plate, a light guide groove, a lateral light collecting system and a light outlet pipe; the lens array plate is mounted on the light guide. At the top of the slot, the light collecting hole array plate and the lateral light collecting system are all arranged in the light guide groove, and the light collecting hole array plate is located at the head end of the lateral light collecting system, and the lateral light collecting system will guide the light guide. The light trough is divided into a lighting area and a light collecting area, and the light emitting tube is connected with the light collecting area; the lateral light collecting system includes: baffle 1, baffle 2, light guide tube and light reflector, one end of the light guide tube and baffle 1 The other end is connected with the second baffle; the reflector is arranged on the side of the second baffle away from the first baffle. The invention is not only simple in structure and convenient in use, but also improves the utilization rate of sunlight and ensures the uniformity of illumination.

Description

A lateral light collecting system of a light collector

technical field

The invention relates to a light collecting system, more particularly to a lateral light collecting system of a light collector, and belongs to the technical field of solar light collecting devices.

Background technique

As natural resources such as oil and coal are gradually depleted, more and more research and development of solar energy are being carried out. The disadvantage of solar energy application technology is that the conversion efficiency of solar energy is low, but compared with other traditional energy conversion methods, the cost is low. Therefore, improving the utilization efficiency of solar energy and reducing the cost of solar energy conversion has become an important research goal in recent years.

In order to improve the utilization efficiency of sunlight, one of the methods is to use a solar concentrator combined with a light guide component module to guide the sunlight through the light guide component and conduct it to the solar cell or heat conduction component to increase the solar energy. Collection efficiency, thereby improving the production efficiency of solar energy conversion devices. Known solar energy conversion devices require solar concentrators to collect incident sunlight to multiple focal points on the light exit side for use by solar cells or thermally conductive components. The light collecting system of the traditional light collector is generally composed of multiple focusing lenses and multiple reflecting mirrors. Although the light can be collected and utilized, the collection utilization rate is low, which is easy to cause waste of light sources, and also affects the uniformity of illumination.

Therefore, how to provide a lateral light collection system of a light collector with high light source collection utilization rate and illumination uniformity has become an urgent problem for those skilled in the art.

SUMMARY OF THE INVENTION

In view of this, the present invention provides a lateral light collecting system of a light collector, which not only has a simple structure and is convenient to use, but also improves the utilization rate of sunlight and ensures the uniformity of illumination.

In order to achieve the above object, the present invention adopts the following technical solutions:

A lateral light collecting system of a light collector, the light collector comprises a lens array plate, a light collecting hole array plate, a light guide groove, a lateral light collecting system and a light outlet pipe; the lens array plate is mounted on the The top of the light guide groove, the light collecting hole array plate and the lateral light collecting system are both arranged in the light guide groove, and the light collecting hole array plate is located at the head end of the lateral light collecting system , the lateral light collecting system divides the light guide groove into a light collecting area and a light collecting area, and the light exit tube is communicated with the light collecting area; the lateral light collecting system includes: a baffle plate, a block Plate 2, a light guide tube and a reflector, one end of the light guide tube is connected with the baffle 1, and the other end is connected with the baffle 2; the reflector is arranged on the baffle 2 away from the One side of the bezel.

Through the above technical solutions, the technical effects of the present invention are as follows: a light guide pipe is arranged between the first baffle and the second baffle, which reduces the loss in the process of light transmission; The utilization rate of light ensures the uniformity of illumination.

Preferably, the light guide tube is a vertebral body tapered from width to width along the light transmission direction.

Through the above technical solutions, the technical effect of the present invention is that the tapered light guide tube further focuses the light, thereby reducing the loss in the process of light transmission.

Preferably, the inner wall of the light guide is coated with a reflective film.

Through the above technical solutions, the technical effect of the present invention is that the provision of the reflective film improves the reflectivity of light, thereby improving the collection and utilization efficiency of sunlight.

Preferably, a first through hole for guiding light is provided at the connection between the first baffle and the light guide pipe, and a second through hole is arranged at the connection between the second baffle and the light guide pipe, and the light is transmitted through the first through hole. Enter into the light pipe, and lead out through the second through hole.

Preferably, the reflective body is provided with a connecting surface and a reflective surface, the reflective body is connected to the second baffle plate through the connecting surface, the reflective surface is opposite to the second through hole, and the reflective surface is arranged opposite to the second through hole. The surface of the surface is coated with a reflective film, and the light is emitted from the light-emitting tube after changing the transmission angle through the reflective surface.

Preferably, the light guide pipes are uniformly arranged perpendicular to the light transmission direction to form a light guide pipe array; the light reflectors are arranged opposite to the light guide pipes to form a light reflector array.

Through the above technical solutions, the technical effect of the present invention: through the cooperative arrangement of the light guide tube array and the light reflector array, it is ensured that all the light entering the light guide groove can be smoothly exported, the loss of light is reduced, and the collection efficiency of light is improved. .

Preferably, the reflector is further provided with a bottom surface and two side surfaces, and both the bottom surface and the two side surfaces are coated with a reflective film.

Through the above technical solutions, the technical effect of the present invention is that the absorption of light by the reflector is reduced, and the collection efficiency of light is improved.

Preferably, the first baffle is closely connected with the light collecting hole array plate.

Through the above technical solutions, the technical effect of the present invention is that the baffle 1 and the light collecting hole are seamlessly attached and connected to avoid the overflow of light.

Preferably, a cover plate is installed at the top of the light collecting area, and the lower surface of the cover plate is coated with a reflective film.

Through the above technical solutions, the technical effects of the present invention are: the arrangement of the cover plate prevents light from overflowing from the top of the light collecting area, and the arrangement of the reflective film reduces the loss of light during transmission.

Preferably, the inner surfaces of the bottom plate and the wall plate of the light guide groove are both coated with a reflective film, which reduces the absorption of light by the light guide groove.

Preferably, a conical array plate is also included, and the conical array plate is arranged between the light collecting hole array plate and the lens array plate.

Through the above technical solutions, the technical effect of the present invention is that the arrangement of the conical array plate reduces the loss in the process of light transmission and improves the light collection efficiency.

As can be seen from the above technical solutions, compared with the prior art, the present disclosure provides a lateral light collecting system of a light collector, and the beneficial effect is that: a light guide pipe is arranged between the first baffle and the second baffle, which reduces the Loss in the process of light transmission; all the light transmitted by the light pipe is reflected by the reflector, which improves the utilization rate of sunlight and ensures the uniformity of illumination; the light pipe is set in a cone shape to further focus the light, The loss during the light transmission process is reduced; the light guide tube, the light reflector, the light guide groove and the cover plate are all provided with a reflective film, which reduces the loss during the light transmission process and improves the light collection efficiency.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative work.

Figure 1 is a schematic diagram of the three-dimensional structure of the light collector.

Figure 2 is a schematic diagram of an exploded structure of the light collector.

FIG. 3 is a cross-sectional view of FIG. 1A-A.

FIG. 4 is a schematic structural diagram of baffle 1 of the present invention.

Figure 5 is a schematic diagram of the structure of the second baffle plate of the present invention.

FIG. 6 is a schematic structural diagram of a light guide tube of the present invention.

FIG. 7 is a schematic diagram of the structure of the reflector of the present invention.

Among them, in the figure,

1-lens array plate; 2-light collecting hole array plate; 3-light guide slot; 4-side light collecting system; 41-baffle one; 411-through hole one; 42-baffle two; 421-through hole 2; 43-light guide; 44-reflector; 441-connecting surface; 442-reflecting surface; 443-side; 444-bottom; 5-light pipe; 6-cover; 7-conical array plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The embodiment of the invention discloses a lateral light collecting system of a light collector, which not only has a simple structure and is convenient to use, but also reduces the loss in the process of light transmission, improves the collection utilization rate of sunlight, and ensures uniform illumination. Spend.

Referring to Figures 1-7, the present invention provides a lateral light collecting system of a light collector. The light collector includes a lens array plate 1, a light collecting hole array plate 2, a light guide groove 3, and a lateral light collecting system. 4 and the light-emitting tube 5; the lens array plate 1 is installed on the top of the light guide groove 3, the light collecting hole array plate 2 and the lateral light collecting system 4 are both arranged in the light guide groove 3, and the light collecting hole array plate 2 is located in the lateral direction At the head end of the light collecting system 4, the lateral light collecting system 4 divides the light guide groove 3 into a lighting area and a light collecting area, and the light outlet tube 5 is connected with the light collecting area; the lateral light collecting system 4 includes: a baffle 41 , baffle two 42, light guide tube 43 and reflector 44, one end of light guide tube 43 is connected with baffle one 41, and the other end is connected with baffle two 42; A 41 side.

In the light collector, the natural light is focused by the lens array plate 1 and then enters the light collecting hole array plate 2. Under the action of the light collecting hole array plate, the transmission direction of the light is changed and enters the lateral light collecting system 4, and passes through the lateral light collecting system 4. The light is further gathered, and then led out by the light pipe 5; a light guide pipe 43 is arranged between the baffle one 41 and the baffle two 42, which reduces the loss in the process of light transmission; All reflections improve the utilization of sunlight and ensure the uniformity of illumination.

The light irradiation surface of the lens array plate 1 is a plane, and the other surface is evenly arranged with lenses; the light collecting hole array plate 2 is arranged between the lens array plate 1 and the light guide groove 3, one end is connected with the inner wall of the light guide groove 3, and the other end is connected with the light guide groove 3. The lateral light collecting system 4 is connected. The light collecting hole array plate 2 includes: a main body plate, a light collecting hole and a multi-faceted reflector; the light collecting hole is opened on the main body plate, and the light collecting hole is matched with the lens, and the light collecting hole is an isosceles trapezoid. The specific size is the upper bottom 2.5 mm, bottom 5mm, waist length 5mm; the multi-faceted reflector is fixed on the side of the main body plate away from the lens, and the main reflection surface of the multi-faceted reflector reflects the light in the light collecting hole, so that the light enters the lateral light collecting system 4; the main body The side of the board away from the lens is coated with a reflective film; the multi-faceted reflector is coated with a reflective film except the contact surface with the main board; the lens parameters of the lens array board are 20mm in diameter, 14.75mm in curvature radius, and 30mm in focal length, so that the natural light passing through the lens is 30mm. Fully focused to the light collecting aperture.

In order to further optimize the above technical solution, the light guide tube 43 is a vertebral body that gradually narrows from width to width along the light transmission direction. The bottom surface of the vertebral body is a square with a side length of 20 mm and the top surface is a square with a side length of 10 mm. , reducing the loss in the optical transmission process.

In order to further optimize the above technical solution, the inner wall of the light guide tube 43 is coated with a reflective film, and the reflective film adopts a magnesium fluoride single-layer film.

In order to further optimize the above technical solution, a through hole 411 is provided at the connection between the baffle 1 41 and the light guide pipe 43 , the shape of the through hole 1 411 is a square with a side length of 20 mm, and the connection between the baffle 2 42 and the light guide pipe 43 is provided with a The second through hole 421 , the shape of the second through hole 421 is a square with a side length of 10 mm.

In order to further optimize the above technical solution, the reflector 44 is provided with a connecting surface 441 and a reflecting surface 442, the reflecting body 44 is connected with the second baffle plate 42 through the connecting surface 441, the reflecting surface 442 is opposite to the second through hole 421, and the reflecting surface 442 The surface is coated with a reflective film, and the light is emitted from the light-emitting tube after changing the transmission angle through the reflective surface 442.

In order to further optimize the above technical solution, a number of light guide tubes 43 are evenly arranged perpendicular to the light transmission direction to form a light guide tube array; a number of light reflectors 44 are arranged opposite to a number of light guide tubes 43 to form a light guide body array. The coordinated arrangement of the light pipe array and the light reflector array ensures that all the light entering the light guide groove 3 can be exported smoothly, which reduces the loss of light and improves the collection efficiency of light.

In order to further optimize the above technical solution, the reflector 44 is also provided with a bottom surface 443 and two side surfaces 444, and the bottom surface 443 and the two side surfaces 444 are both coated with a reflective film, which reduces the absorption of light by the reflector and improves the collection of light. efficiency.

In order to further optimize the above technical solution, embedded grooves are provided on the inner wall of the light guide groove 3 and the baffle plate 1 41 , and the light collecting hole array plate 2 is set in the embedded groove.

In order to further optimize the above technical solution, the first end of the light collecting hole array plate 2 is fixedly connected to the inner wall of the light guide groove 3 , and the end is fixedly connected to the baffle 1 41 .

In order to further optimize the above technical solution, the baffle 1 41 is closely attached to the light collecting hole array plate 2 to avoid the overflow of light; the distance between the light collecting hole array plate 2 and the light guide groove 3 The side lengths of the first through holes 411 are equal, so that the light collected by the light collecting hole array plate 2 can quickly and smoothly enter the lateral light collecting system 4 .

In order to further optimize the above technical solution, a cover plate 6 is installed at the top of the light collecting area, and the lower surface of the cover plate 6 is coated with a reflective film to prevent light from overflowing from the top of the light collecting area.

In order to further optimize the above technical solution, the inner surfaces of the bottom plate and the wall plate of the light guide groove 3 are both coated with a reflective film, which reduces the absorption of light by the light guide groove.

In order to further optimize the above technical solution, the present invention further includes a conical array plate 7 , and the conical array plate 7 is arranged between the light collecting hole array plate 2 and the lens array plate 1 . The arrangement of the conical array plate 7 reduces the loss in the process of light transmission and improves the light collection efficiency.

A light guide tube 43 is arranged between the baffle one 411 and the baffle two 421, which reduces the loss in the process of light transmission; all the light transmitted by the light guide tube 43 is reflected by the reflector 44, which improves the utilization rate of sunlight and ensures The uniformity of the illumination is improved; the light guide tube 43 is arranged in a cone shape, which further focuses the light and reduces the loss in the light transmission process; There is a reflective film, which reduces the loss in the process of light transmission and improves the collection efficiency of light.

The above description of the disclosed embodiments enables 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 implemented in 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 (10)

1. a kind of lateral light collection system of optical collector, the optical collector include lens array plate, light harvesting hole array plate, guide-lighting slot, Lateral light collection system and out light pipe；The lens array plate is installed on the top of the guide-lighting slot, the light harvesting hole array plate and The lateral light collection system is all set in the guide-lighting slot, and the light harvesting hole array plate is located at the lateral light collection system Head end, the guide-lighting slot is divided into daylighting area and light harvesting area by the lateral light collection system, it is described go out light pipe and the light harvesting area It is connected；It is characterized in that, the lateral light collection system includes: baffle one, baffle two, light pipe and refractive body, the leaded light Pipe one end is connect with the baffle one, and the other end is connected with the baffle two；It is remote that the refractive body is set to the baffle two Side from the baffle one.

2. a kind of lateral light collection system of optical collector according to claim 1, which is characterized in that the light pipe is along light The transmission direction centrum tapered by width.

3. a kind of lateral light collection system of optical collector according to claim 1 or 2, which is characterized in that in the light pipe Reflectance coating is coated on wall.

4. a kind of lateral light collection system of optical collector according to claim 3, which is characterized in that the baffle one with it is described Light pipe junction is provided with for guide-lighting through-hole one, and the baffle two is provided with through-hole two with the light pipe junction.

5. a kind of lateral light collection system of optical collector according to claim 4, which is characterized in that the refractive body is provided with Joint face and reflective surface, the refractive body are connected by the joint face with the baffle two, and the reflective surface leads to described Hole two is oppositely arranged, and the surface of the reflective surface is coated with reflectance coating.

6. a kind of lateral light collection system of optical collector according to claim 5, which is characterized in that the light pipe is vertical In evenly distributed in optical transmission direction, formation light pipe array；The refractive body is oppositely arranged with the light pipe, is formed reflective Volume array.

7. a kind of lateral light collection system of optical collector according to claim 5 or 6, which is characterized in that the refractive body is also It is provided with bottom surface and two sides, is coated with reflectance coating on the bottom surface and described two sides.

8. a kind of lateral light collection system of optical collector according to claim 1, which is characterized in that the baffle one with it is described Light harvesting hole array plate is closely coupled.

9. a kind of lateral light collection system of optical collector according to claim 1, which is characterized in that light harvesting area top peace Equipped with cover board, the cover board lower surface is coated with reflectance coating.

10. a kind of lateral light collection system of optical collector according to claim 1, which is characterized in that further include tapered array Plate, the tapered array plate are arranged between the light harvesting hole array plate and the lens array plate.