CN216952914U

CN216952914U - Annular light spot TIR optical lens

Info

Publication number: CN216952914U
Application number: CN202220459074.1U
Authority: CN
Inventors: 宗金华; 艾为林; 张茂雷; 何新广
Original assignee: Guangdong Domd Electronic Technology Co ltd
Current assignee: Guangdong Domd Electronic Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-12
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a TIR optical lens with annular light spots, which comprises an optical lens shell, LED lamp beads, a heat dissipation structure, a first refraction surface and a reflection surface, wherein the LED lamp beads are arranged at the central position of the bottom of the optical lens shell, a lens body is arranged in the optical lens shell, an optical cavity is arranged in the lens body, the first refraction surface is arranged on the inner wall of the lens body at the position of the optical cavity, the reflection surface is arranged on the outer wall of the lens body at one side of the first refraction surface, the top end of the lens body above the reflection surface is provided with a second refraction surface, the central position of the bottom of the optical lens shell is provided with a heat dissipation cavity, and the heat dissipation structure is arranged in the heat dissipation cavity. The utility model can obviously form annular light spots within a certain distance, improves the light concentration and improves the heat dissipation effect.

Description

Annular light spot TIR optical lens

Technical Field

The utility model relates to the technical field of optical lenses, in particular to a TIR optical lens with annular light spots.

Background

The lens is an optical element which is made of transparent substances and the surface of which is a part of a spherical surface, the lens is composed of a plurality of lenses, namely a plastic lens and a glass lens, and plays an important role in the fields of astronomy, military, traffic, medicine, art and the like, wherein the TIR optical lens is suitable for various lighting lamps, and is a high-end commercial lighting field, such as: a round conference room, a round dining table, etc.

The existing TIR optical lens has poor refraction and reflection effects, so that light spots formed by the LED light source penetrating through the lens are not obvious enough, and clear annular light spots are difficult to form, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a TIR optical lens with annular light spots, which aims to solve the problem of poor refraction and reflection effects of the TIR optical lens in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an annular facula TIR optical lens, includes optical lens shell, LED lamp pearl, lens body, first refracting surface and plane of reflection, the central point that LED lamp pearl was installed in optical lens shell bottom puts the department, the inside at the optical lens shell is installed to the lens body, just the inside of lens body is provided with the optical cavity, first refracting surface sets up on the lens body inner wall of optical cavity position department, the plane of reflection sets up on the lens body outer wall of first refracting surface one side, the lens body top of plane of reflection top is provided with the second refracting surface, the central point of optical lens shell bottom puts the department and is provided with the heat dissipation chamber, the inside in heat dissipation chamber is provided with heat radiation structure.

Preferably, the heat collecting plate, the heat radiating fins and the heat radiating opening are sequentially arranged inside the heat radiating structure, and the heat collecting plate is installed at the bottom end of the LED lamp bead inside the heat radiating cavity, so that heat generated by the LED lamp bead can be conveniently LED out.

Preferably, the bottom of the heat dissipation cavity below the heat collection plate is provided with heat dissipation ports at equal intervals, so that heat can be conveniently led out.

Preferably, the bottom ends of the heat collecting plates are all provided with radiating fins at equal intervals, and the bottom ends of the radiating fins extend into the radiating port, so that heat dissipation is accelerated.

Preferably, a convex surface is arranged at the center of the top end of the lens body, so that the annular light spot is formed more clearly.

Preferably, the top of the optical cavity is provided with a light blocking surface, so that light rays generated by the LED lamp beads can be projected into the lens body more intensively.

Compared with the prior art, the utility model has the beneficial effects that: the TIR optical lens with the annular light spot can obviously form the annular light spot within a certain distance, improves the light concentration and improves the heat dissipation effect;

(1) the LED lamp bead illuminating lens comprises a lens body, a first refraction surface, a reflection surface, a second refraction surface and a convex surface, wherein the lens body is arranged inside an optical lens shell, the first refraction surface, the reflection surface and the second refraction surface are arranged inside the lens body, the light irradiated by an LED lamp bead passes through the lens body, the lens body is made of transparent plastic materials, the light is firstly refracted into the lens body through the first refraction surface, then upwards reflected through the reflection surface, refracted through the second refraction surface and outwards emitted, the light is refracted and reflected for multiple times inside the lens body, secondary distribution is carried out on the light through calculation, and meanwhile, under the action of the convex surface, an annular light spot can be obviously formed within a certain distance;

(2) the light cavity and the light blocking surface are arranged, so that light rays are scattered in the light cavity, and the light blocking surface is arranged at the top of the light cavity, so that the light rays emitted by the LED lamp beads can be intensively projected into the lens body, and the concentration of the light rays is improved;

(3) through being provided with heat dissipation chamber, thermal-arrest board, heat radiation fins, thermovent, because the inside heat dissipation chamber that is provided with of optical lens shell below LED lamp pearl, the thermal-arrest board is installed to the bottom of LED lamp pearl, and heat radiation fins is evenly installed to the bottom of thermal-arrest board, and the thermal-arrest board is concentrated through heat radiation fins and is derived the heat that LED lamp pearl produced through the thermovent to radiating effect has been improved.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the light refracting and reflecting structure of the present invention;

FIG. 3 is a schematic view of a heat dissipation structure of the present invention;

fig. 4 is a schematic perspective view of the present invention.

In the figure: 1. an optical lens housing; 2. an LED lamp bead; 3. a heat dissipation structure; 301. a heat collecting plate; 302. heat dissipation fins; 303. a heat dissipation port; 4. a lens body; 5. an optical cavity; 6. a first refractive surface; 7. a reflective surface; 8. a second refraction surface; 9. a convex surface; 10. a light blocking surface; 11. and a heat dissipation cavity.

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 all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: the annular light spot TIR optical lens comprises an optical lens shell 1, an LED lamp bead 2, a lens body 4, a first refraction surface 6 and a reflection surface 7, wherein the LED lamp bead 2 is arranged at the central position of the bottom of the optical lens shell 1, the lens body 4 is arranged inside the optical lens shell 1, and an optical cavity 5 is arranged inside the lens body 4;

the top of the optical cavity 5 is provided with a light blocking surface 10, so that light rays generated by the LED lamp beads 2 can be projected into the lens body 4 in a more concentrated manner;

the first refraction surface 6 is arranged on the inner wall of the lens body 4 at the position of the optical cavity 5, the reflection surface 7 is arranged on the outer wall of the lens body 4 at one side of the first refraction surface 6, and the top end of the lens body 4 above the reflection surface 7 is provided with a second refraction surface 8;

the convex surface 9 is arranged at the center of the top end of the lens body 4, so that the formation of annular light spots is clearer;

a heat dissipation cavity 11 is arranged at the central position of the bottom of the optical lens shell 1, and a heat dissipation structure 3 is arranged inside the heat dissipation cavity 11;

the heat collecting plate 301, the heat radiating fins 302 and the heat radiating ports 303 are sequentially arranged in the heat radiating structure 3, and the heat collecting plate 301 is arranged at the bottom end of the LED lamp bead 2 in the heat radiating cavity 11;

the bottom of the heat dissipation cavity 11 below the heat collection plate 301 is provided with heat dissipation ports 303 at equal intervals;

the bottom ends of the heat collecting plates 301 are all provided with the heat dissipating fins 302 with equal intervals, and the bottom ends of the heat dissipating fins 302 extend to the inside of the heat dissipating port 303;

because the heat dissipation cavity 11 is arranged inside the optical lens housing 1 below the LED lamp bead 2, the heat collection plate 301 is installed at the bottom end of the LED lamp bead 2, the heat dissipation fins 302 are evenly installed at the bottom end of the heat collection plate 301, and the heat collection plate 301 concentrates the heat generated by the LED lamp bead 2 through the heat dissipation fins 302 and guides the heat out through the heat dissipation port 303, thereby improving the heat dissipation effect.

When the embodiment of the application is used: firstly, because the optical lens shell 1 is internally provided with the lens body 4, the lens body 4 is internally provided with a plurality of refraction and reflection surfaces including a first refraction surface 6, a reflection surface 7 and a second refraction surface 8, the TIR optical lens collects the light emitted by the LED lamp bead 2, the light is scattered in the optical cavity 5, the top of the optical cavity 5 is provided with a light blocking surface 10, so that the light emitted by the LED lamp bead 2 can be intensively projected into the lens body 4, the light passes through the lens body 4, the lens body 4 is made of transparent plastic, the light is refracted into the lens body 4 by the first refraction surface 6, then is upwards reflected by the reflection surface 7, then is refracted and outwards emitted by the second refraction surface 8, the light is refracted and reflected for a plurality of times in the lens body 4, the light is secondarily distributed by calculation, and under the action of the convex surface 9, therefore, an annular light spot can be obviously formed within a certain distance, in addition, as the heat dissipation cavity 11 is arranged inside the optical lens shell 1 below the LED lamp bead 2, the heat collection plate 301 is installed at the bottom end of the LED lamp bead 2, the heat dissipation fins 302 are evenly installed at the bottom end of the heat collection plate 301, the heat generated by the LED lamp bead 2 is intensively LED out through the heat dissipation port 303 by the heat collection plate 301 through the heat dissipation fins 302, so that the heat dissipation effect is improved, and the work of the annular light spot TIR optical lens is completed.

Claims

1. The TIR optical lens with the annular light spot is characterized by comprising an optical lens shell (1), LED lamp beads (2), a lens body (4), a first refraction surface (6) and a reflection surface (7), wherein the LED lamp beads (2) are arranged at the central position of the bottom of the optical lens shell (1), the lens body (4) is arranged inside the optical lens shell (1), an optical cavity (5) is arranged inside the lens body (4), the first refraction surface (6) is arranged on the inner wall of the lens body (4) at the position of the optical cavity (5), the reflection surface (7) is arranged on the outer wall of the lens body (4) on one side of the first refraction surface (6), a second refraction surface (8) is arranged at the top end of the lens body (4) above the reflection surface (7), and a heat dissipation cavity (11) is arranged at the central position of the bottom of the optical lens shell (1), and a heat dissipation structure (3) is arranged in the heat dissipation cavity (11).

2. The TIR optical lens with the annular light spot as claimed in claim 1, wherein: the LED lamp is characterized in that a heat collecting plate (301), heat radiating fins (302) and a heat radiating opening (303) are sequentially arranged inside the heat radiating structure (3), and the heat collecting plate (301) is installed at the bottom end of the LED lamp bead (2) inside the heat radiating cavity (11).

3. The TIR optical lens with the annular light spot as claimed in claim 2, wherein: the bottom of the heat dissipation cavity (11) below the heat collection plate (301) is provided with heat dissipation ports (303) at equal intervals.

4. The TIR optical lens with the annular light spot as claimed in claim 2, wherein: the bottom ends of the heat collecting plates (301) are all provided with radiating fins (302) with equal intervals, and the bottom ends of the radiating fins (302) extend to the inside of the radiating port (303).

5. The TIR optical lens with the annular light spot as claimed in claim 1, wherein: the center position of the top end of the lens body (4) is provided with a convex surface (9).

6. The annular spot TIR optical lens according to claim 1, wherein: and a light blocking surface (10) is arranged at the top of the light cavity (5).