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CN-122001293-A - Light collecting device, manufacturing platform and manufacturing method thereof

CN122001293ACN 122001293 ACN122001293 ACN 122001293ACN-122001293-A

Abstract

The invention discloses a light collecting device, which comprises a lens array and an optical fiber array, wherein the lens array comprises a plurality of lenses which are arranged in a first array, the optical fiber array comprises a plurality of optical fibers which are arranged in a second array, the first array is identical to the second array, the lenses are in one-to-one correspondence with the optical fibers, each optical fiber is arranged at a focus of the corresponding lens, the lenses converge and transmit light beams to the optical fibers, and the lenses are connected with the optical fibers through an adhesive. The light collecting device disclosed by the embodiment of the invention has a simple structure, each lens in the lens array is connected with the optical fiber through the adhesive, the connection mode is simple, the rapid connection of the lens array and the optical fiber array can be realized, the assembly difficulty can be reduced, the optical fiber can be used for transmitting sunlight collected by the lenses for a long distance, the light collecting device can be used for scenes such as photovoltaic power generation, photo-thermal power generation, indoor illumination and heat storage when sunlight is led in, and the application range of the light collecting device can be widened. The invention also discloses a manufacturing tool and a manufacturing method of the light collecting device.

Inventors

  • LIU CHAOHUI
  • MA HONGWEI
  • LI XIAOXIONG

Assignees

  • 逢时铺股份有限公司

Dates

Publication Date
20260508
Application Date
20241101

Claims (12)

  1. 1. A light collecting device, characterized by comprising a lens array (100) and an optical fiber array (200); The lens array (100) comprises a plurality of lenses (110) arranged in a first array; The optical fiber array (200) comprises a plurality of optical fibers (210) arranged in a second array, the first array is identical to the second array, the lenses (110) are in one-to-one correspondence with the optical fibers (210), each optical fiber (210) is arranged at a focus point corresponding to the lens (110), and the lenses (110) converge and transmit light beams to the optical fibers (210); The lens (110) is connected to the optical fiber (210) by an adhesive.
  2. 2. The light collecting device according to claim 1, wherein the radius of curvature of the lens (110) is 2.915mm, the conic coefficient is-0.432, and/or, The width or diameter of the lens is 1 mm-5 mm, and the focal length of the lens is not more than 10mm.
  3. 3. The light collecting device according to claim 2, wherein the refractive index of the core layers of the lens array (100), the adhesive and the optical fibers (210) are all the same.
  4. 4. A light collecting device as claimed in claim 3, characterized in that the surface of the lens array (100) is provided with an anti-reflection film.
  5. 5. The light collecting device according to claim 1, wherein the cross-sectional shape of the lens (110) comprises at least one of a circle, a circular arc and a polygon.
  6. 6. The light collecting device of claim 1, wherein the first array comprises a one-dimensional array and a two-dimensional array.
  7. 7. The light collecting device according to claim 1, further comprising a package plate (400) arranged around the optical fiber array (200), the package plate (400) being connected to the lens array (100); The lens array (100) is provided with a first penetrating hole for the optical fiber array (200) to penetrate through, and/or the packaging plate (400) is provided with a second penetrating hole for the optical fiber array (200) to penetrate through.
  8. 8. A tool for manufacturing a light collecting device, so as to manufacture the light collecting device according to any one of claims 1 to 7, comprising: -a first clamp (10) to hold the lens array (100); The optical fiber array plate (20), the optical fiber array plate (20) is provided with optical fiber positioning holes corresponding to the optical fibers (210) in the optical fiber array (200) one by one; a second jig (30) for fixing the optical fiber array board (20); A drive assembly drivingly connected to at least one of the first clamp (10) and the second clamp (30) to drive movement and rotation of the one drivingly connected thereto to align the fiber array (200) with the lens array (100); a light source comprising a first light source for curing the adhesive and a second light source; an optical power meter, the second light source being irradiated to the lens array (100), the optical power meter being configured to detect the light intensity of the light output from the optical fiber (210).
  9. 9. The tool for manufacturing the light collecting device according to claim 8, further comprising a depth control board (40), wherein the depth control board (40) is detachably connected to the optical fiber array board (20), and when the optical fiber (210) is inserted into the optical fiber array board (20), the optical fiber (210) abuts against the depth control board (40).
  10. 10. A method for manufacturing a light collecting device, characterized in that a manufacturing tool of the light collecting device according to any one of claims 6-7 is adopted, comprising the following steps: mounting a lens array (100) on a first fixture (10); inserting an optical fiber (210) on the optical fiber array plate (20); Mounting the optical fiber array plate (20) on a second fixture (30); Actuation of a drive assembly to align the fiber array (200) with the lens array (100); injecting an adhesive from the back surface of the lens array (100); the driving assembly acts to align the end face of the optical fiber (210) with the focus of the corresponding lens (110); Curing the adhesive; a package board (400) is mounted.
  11. 11. The method for manufacturing the light collecting device according to claim 10, wherein the step of inserting the optical fiber (210) on the optical fiber array plate (20) specifically comprises: mounting the fiber array plate (20) on the depth control plate (40); sequentially inserting each optical fiber (210) on the optical fiber array plate (20) until each optical fiber (210) is abutted with the depth control plate (40); the depth control plate (40) is removed.
  12. 12. The method of manufacturing a light collecting device according to claim 10, wherein the step of curing the adhesive further comprises the step of removing the optical fiber array plate (20).

Description

Light collecting device, manufacturing platform and manufacturing method thereof Technical Field The invention relates to the technical field of photovoltaics, in particular to a light collecting device, a manufacturing platform and a manufacturing method thereof. Background With the large-scale application of fossil energy, the problems of energy crisis, environmental pollution, climate change and the like are increasingly highlighted, and new energy technology is one of the important directions of energy technology development, wherein solar energy is increasingly focused as a potential energy source with huge energy, cleanliness and sustainability. At present, the solar energy is mainly divided into photo-thermal power generation, photovoltaic power generation, indoor illumination and the like, and the indoor illumination is led by the sunlight, so that the advantages of stroboflash, full spectrum, low energy consumption and the like are achieved, but the defects of large size, complex installation, limited adaptation scene, need of damaging a wall body by the light guide pipe and the like are overcome no matter the light guide pipe is adopted for illumination by the optical fiber or illumination by the light guide pipe. Therefore, how to widen the application range of the light collecting device is a technical problem to be solved by those skilled in the art. Disclosure of Invention In view of the above, the present invention is directed to a light collecting device to widen the application range of the light collecting device. The invention further discloses a manufacturing tool for manufacturing the light collecting device. Another core of the present invention is to disclose a method for manufacturing a light collecting device. In order to achieve the above purpose, the present invention provides the following technical solutions: a light collecting device comprises a lens array and an optical fiber array; the lens array includes a plurality of lenses arranged in a first array; The optical fiber array comprises a plurality of optical fibers which are arranged in a second array, the first array is the same as the second array, the lenses are in one-to-one correspondence with the optical fibers, each optical fiber is arranged at the focus of the corresponding lens, and the lenses converge and transmit light beams to the optical fibers; the lens is connected with the optical fiber through an adhesive. Optionally, in the above light collecting device, the radius of curvature of the lens is 2.915mm, the conic coefficient is-0.432, and/or, The width or diameter of the lens is 1 mm-5 mm, and the focal length of the lens is not more than 10mm. Alternatively, in the above light collecting device, refractive indexes of the lens array, the adhesive, and the core layer of the optical fiber are all the same. Optionally, in the light collecting device, an antireflection film is disposed on a surface of the lens array. Optionally, in the light collecting device, a cross-sectional shape of the lens includes at least one of a circle, a circular arc, and a polygon. Optionally, in the light collecting device, the first array includes a one-dimensional array and a two-dimensional array. Optionally, the optical fiber array comprises a packaging plate arranged around the optical fiber array, and the packaging plate is connected with the lens array; The lens array is provided with a first penetrating hole for penetrating the optical fiber array, and/or the packaging plate is provided with a second penetrating hole for penetrating the optical fiber array. Manufacturing frock of light collecting device to make above-mentioned light collecting device, include: a first jig to fix the lens array; The optical fiber array plate is provided with optical fiber positioning holes which are in one-to-one correspondence with optical fibers in the optical fiber array; A second jig for fixing the optical fiber array plate; a drive assembly drivingly connected to at least one of the first clamp and the second clamp to drive movement and rotation of the one drivingly connected thereto to align the fiber array with the lens array; the light source comprises a first light source and a second light source, and the first light source is used for curing the adhesive; and the second light source irradiates the lens array, and the optical power meter is used for detecting the light intensity of the light output by the optical fiber. Optionally, in the foregoing light collecting device manufacturing tool, the light collecting device manufacturing tool further includes a depth control board, the depth control board is detachably connected with the optical fiber array board, and when the optical fiber is inserted into the optical fiber array board, the optical fiber is abutted with the depth control board. The manufacturing method of the light collecting device adopts the manufacturing tool of the light collecting device and comprises the following