An optical device with small-angle light emission and its implementation method

Abstract

The present invention discloses an optical device with small-angle light emission, which includes an optical device body. An inner-ring optical device is provided at the middle position of the optical device body. A plurality of middle-ring optical devices are evenly arranged outside the inner-ring optical device, and a plurality of outer-ring optical devices are evenly arranged outside the middle-ring optical devices. The present invention also discloses a method for realizing an optical device with small-angle light emission. Through a combination of three angles, the present invention constitutes a multi-in-one optical device, so that the actual light-emitting angle of the present invention is 25°±6°, realizing small-angle light emission and broadening the market demand; the present invention realizes the whole lamp angle of 25°±6°, meeting the range required by the certification standard while ensuring the output of the light intensity value; the present invention can be applied to both a reflector cup and a lens, and has the characteristics of small overall external dimensions and low manufacturing cost.

Description

Technical Field

[0001] The present invention belongs to the technical field of optical devices, and particularly relates to an optical device with small-angle light emission and a method for realizing the same. Background Art

[0002] In the prior art, after the number of lamp beads exceeds a certain amount, the following defects exist in the implementation method of a narrow light beam angle:

[0003] 1. When the number is large, for an integrated single-cup reflector, the angle cannot be made small enough.

[0004] 2. The angle scheme of a multi-in-one reflector is generally composed of combinations of the same angle for single beads, arranged in different quantities. A large number of beads will result in a large overall external dimension, which is not suitable for product applications where the external dimension is limited by standards. Summary of the Invention

[0005] The purpose of the present invention is to provide an optical device with small-angle light emission to solve the problems raised in the above background art. An optical device with small-angle light emission provided by the present invention has the characteristic of a small light emission angle.

[0006] Another purpose of the present invention is to provide a method for realizing an optical device with small-angle light emission.

[0007] To achieve the above purpose, the present invention provides the following technical solution: An optical device with small-angle light emission includes an optical device body. An inner-ring optical device is provided at the middle position of the optical device body. A plurality of middle-ring optical devices are evenly provided outside the inner-ring optical device. A plurality of outer-ring optical devices are evenly provided outside the middle-ring optical devices.

[0008] Further, in the present invention, the angle of the inner-ring optical device is 40°, the angle of the middle-ring optical device is 20°, and the angle of the outer-ring optical device is 15°.

[0009] Further, in the present invention, the height of the optical device body is 7 mm.

[0010] Further, in the present invention, the light-emitting port diameter of the inner-ring optical device is 20 mm, the light-emitting port diameter of the middle-ring optical device is 9 mm, and the light-emitting port diameter of the outer-ring optical device is 12 mm.

[0011] Further, in the present invention, the optical device body is a reflector or a lens.

[0012] Further, in the present invention, the reflecting surface of the optical device body is a scaly structure in an annular array or a smooth arc surface structure.

[0013] Further in the present invention, the method for realizing the optical device with small-angle light emission includes the following steps:

[0014] (1) An inner ring optical device with an angle of 40° is provided at the central position of the optical device body;

[0015] (2) A number of middle ring optical devices with an angle of 20° are evenly arranged in a circular array on the outer side of the inner ring optical device;

[0016] (3) A number of outer ring optical devices with an angle of 15° are evenly arranged in a circular array on the outer side of the middle ring optical device.

[0017] Further in the present invention, in the method for realizing the optical device with small-angle light emission, the middle ring optical devices are arrayed in a circle with a radius of 14.5 mm, and the outer ring optical devices are arrayed in a circle with a radius of 24.5 mm.

[0018] Further in the present invention, in the method for realizing the optical device with small-angle light emission, the light-emitting angle of the optical device body is 25° ± 6°.

[0019] Further in the present invention, in the method for realizing the optical device with small-angle light emission, the height of the optical device body is 7 mm, the diameter of the light-emitting outlet of the inner ring optical device is 20 mm, the diameter of the light-emitting outlet of the middle ring optical device is 9 mm, the diameter of the light-emitting outlet of the outer ring optical device is 12 mm, the optical device body is a reflector cup or a lens, and the reflecting surface of the optical device body is a scale-shaped structure in an annular array or a smooth arc-shaped structure.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] 1. Through the combination of three angles, the present invention constitutes a multi-in-one optical device, making the actual light-emitting angle of the present invention 25° ± 6°, realizing small-angle light emission and broadening the market demand;

[0022] 2. The present invention realizes the whole lamp angle of 25° ± 6°, meeting the requirements of the certification standard range and ensuring the output of the light intensity value;

[0023] 3. The present invention can be applied to both the reflector cup and the lens, and has the characteristics of small overall dimensions and low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic structural diagram of the present invention;

[0025] Figure 2 is a schematic diagram of the light refraction line of the present invention;

[0026] In the figure: 1. Optical device body; 2. Outer ring optical device; 3. Middle ring optical device; 4. Inner ring optical device. Detailed implementation mode

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with 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 work shall fall within the protection scope of the present invention.

[0028] Embodiment 1

[0029] Please refer to Figure 1-2 , the present invention provides the following technical solutions: An optical device with small-angle light emission, including an optical device body 1, an inner ring optical device 4 is provided at the middle position of the optical device body 1, and a plurality of middle ring optical devices 3 are evenly arranged outside the inner ring optical device 4, and a plurality of outer ring optical devices 2 are evenly arranged outside the middle ring optical devices 3.

[0030] Further, the angle of the inner ring optical device 4 is 40°, the angle of the middle ring optical device 3 is 20°, and the angle of the outer ring optical device 2 is 15°.

[0031] By adopting the above technical solutions, the number of central light sources can be flexibly adjusted between 2 and 10. If a high lumen is required, multiple light sources are placed; the reflection scheme with a central position angle of 40° utilizes the high light intensity and low angle characteristics in optical design, arranges the single-cup design in a way similar to the Fresnel light output method, and performs light distribution superposition; the less the interference part of the single-reflector cup array on the periphery, the smaller the overall light loss and the higher the light efficiency.

[0032] Further, the height of the optical device body 1 is 7 mm.

[0033] Further, the light output port diameter of the inner ring optical device 4 is 20 mm, the light output port diameter of the middle ring optical device 3 is 9 mm, and the light output port diameter of the outer ring optical device 2 is 12 mm.

[0034] Further, the optical device body 1 is a reflector cup.

[0035] Further, the reflecting surface of the optical device body 1 is a scale-shaped structure of an annular array.

[0036] Further, the implementation method of the optical device with small-angle light emission described in the present invention includes the following steps:

[0037] (1). An inner ring optical device 4 with an angle of 40° is provided at the central position of the optical device body 1;

[0038] (2). A number of middle ring optical devices 3 with an angle of 20° are evenly arranged in a circular array on the outer side of the inner ring optical device 4;

[0039] (3). A number of outer ring optical devices 2 with an angle of 15° are evenly arranged in a circular array on the outer side of the middle ring optical device 3.

[0040] Furthermore, the middle ring optical devices 3 are arranged in a circular array with a radius of 14.5 mm, and the outer ring optical devices 2 are arranged in a circular array with a radius of 24.5 mm.

[0041] Furthermore, the light emitting angle of the optical device body 1 is 25° ± 6°.

[0042] Embodiment 2

[0043] The difference between this embodiment and Embodiment 1 is that: Furthermore, the optical device body 1 is a lens.

[0044] Furthermore, the implementation method of the optical device with small angle light emission described in the present invention includes the following steps:

[0045] (1). An inner ring optical device 4 with an angle of 40° is provided at the center position of the optical device body 1;

[0046] (2). A number of middle ring optical devices 3 with an angle of 20° are evenly arranged in a circular array on the outer side of the inner ring optical device 4;

[0047] (3). A number of outer ring optical devices 2 with an angle of 15° are evenly arranged in a circular array on the outer side of the middle ring optical device 3.

[0048] Furthermore, the middle ring optical devices 3 are arranged in a circular array with a radius of 14.5 mm, and the outer ring optical devices 2 are arranged in a circular array with a radius of 24.5 mm.

[0049] Furthermore, the light emitting angle of the optical device body 1 is 25° ± 6°.

[0050] The lamp bead models that this application can match can be 2835, or 3030, or 3020; it can achieve an overall lamp angle of 25° ± 6°, meeting the requirements of the certification standard range.

[0051] Embodiment 3

[0052] The difference between this embodiment and Embodiment 1 is that: Furthermore, the reflection surface of the optical device body 1 is a smooth arc surface structure.

[0053] In summary, the present invention forms a multi-in-one optical device through a combination of three angles, enabling the actual light-emitting angle of the present invention to be 25° ± 6°, achieving small-angle light emission and broadening the market demand; the present invention realizes an overall lamp angle of 25° ± 6°, meeting the requirements of the certification standard while ensuring the output of the light intensity value; the present invention can be applied to both a reflector cup and a lens, featuring a small overall external dimension and low manufacturing cost.

[0054] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An optical device with small-angle light emission, comprising an optical device body (1), characterized in that: An inner ring optical device (4) is provided at the middle position of the optical device body (1). A number of middle ring optical devices (3) are evenly arranged outside the inner ring optical device (4), and a number of outer ring optical devices (2) are evenly arranged outside the middle ring optical devices (3). The angle of the inner ring optical device (4) is 40°, the angle of the middle ring optical device (3) is 20°, and the angle of the outer ring optical device (2) is 15°. The light exit diameter of the inner ring optical device (4) is 20 mm, the light exit diameter of the middle ring optical device (3) is 9 mm, and the light exit diameter of the outer ring optical device (2) is 12 mm.

2. The optical device with small-angle light emission according to claim 1, characterized in that: The height of the optical device body (1) is 7 mm.

3. An optical device with small-angle light emission according to claim 1, characterized in that: The optical device body (1) is a reflector cup or a lens.

4. An optical device with small-angle light emission according to claim 1, characterized in that: The reflecting surface of the optical device body (1) is a scale-shaped structure in an annular array or a smooth arc-shaped structure.

5. The implementation method of the optical device with small-angle light emission according to any one of claims 1-4, characterized in that, It includes the following steps: (1) An inner ring optical device (4) with an angle of 40° is provided at the center position of the optical device body (1); (2) A number of middle ring optical devices (3) with an angle of 20° are evenly arranged in a circumferential array outside the inner ring optical device (4); (3) A number of outer ring optical devices (2) with an angle of 15° are evenly arranged in a circumferential array outside the middle ring optical devices (3).

6. The implementation method of the optical device with small-angle light emission according to claim 5, characterized in that: The middle ring optical devices (3) are arrayed in a circle with a radius of 14.5 mm, and the outer ring optical devices (2) are arrayed in a circle with a radius of 24.5 mm.

7. The implementation method of the optical device with small-angle light emission according to claim 5, characterized in that: The light emitting angle of the optical device body (1) is 25° ± 6°.

8. The implementation method of the optical device with small-angle light emission according to claim 5, characterized in that: The height of the optical device body (1) is 7 mm, the light exit diameter of the inner ring optical device (4) is 20 mm, the light exit diameter of the middle ring optical device (3) is 9 mm, the light exit diameter of the outer ring optical device (2) is 12 mm, the optical device body (1) is a reflector cup or a lens, and the reflecting surface of the optical device body (1) is a scale-shaped structure in an annular array or a smooth arc-shaped structure.

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