CN209926287U

CN209926287U - Lens structure and LED barrel spotlight

Info

Publication number: CN209926287U
Application number: CN201920650201.4U
Authority: CN
Inventors: 沈迪根; 钟长河; 苏晶晶
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-10
Anticipated expiration: 2029-05-08

Abstract

The utility model provides a lens structure and a LED barrel spotlight, wherein the lens structure comprises a bowl-shaped dimming body, the front end surface of the dimming body is a light-emitting surface, and the periphery of the front end of the dimming body is provided with a convex ring which protrudes and extends outwards; the rear end of the light adjuster is provided with a containing groove for placing a light source, a plurality of light reflecting structures for reflecting light rays emitted to the side surface from the side wall of the containing groove towards the light emergent surface are arranged on the side surface of the light adjuster, and a plurality of diffusion structures for uniformly diffusing the light rays are arranged on the light emergent surface and opposite to the containing groove. The utility model discloses a set up the diffusion structure at the middle part of the play plain noodles of the body of adjusting luminance to make the light-emitting more even, and reflection of light structure on the side surface of the body of adjusting luminance, in order to reduce the side light leak, promote the light-emitting rate.

Description

Lens structure and LED barrel spotlight

Technical Field

The utility model belongs to the technical field of the LED, more specifically say, relate to a lens structure and use LED section of thick bamboo shot-light of this lens structure.

Background

A Light Emitting Diode (LED for short). In LED lamps, especially downlights and spot lights, a lens structure is often used to adjust the light to adjust the illumination angle. The current lens structure for spotlight is generally set up to be bowl cup column structure, reflects light through the side surface of bowl cup to realize the purpose of spotlight. However, when the lens structure emits light, the middle light is lighter than the edge light, and the side surface of the bowl is easy to leak light.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lens structure to when solving the lens structure dimming that exists among the prior art, light is inhomogeneous, and the easy light leak's of side problem.

In order to achieve the above object, the utility model adopts the following technical scheme: the lens structure comprises a bowl-shaped dimming body, wherein the front end face of the dimming body is a light-emitting face, and the periphery of the front end of the dimming body is provided with a convex ring which protrudes outwards and extends; the rear end of the light adjuster is provided with a containing groove for placing a light source, a plurality of light reflecting structures for reflecting light rays emitted to the side surface from the side wall of the containing groove towards the light emergent surface are arranged on the side surface of the light adjuster, and a plurality of diffusion structures for uniformly diffusing the light rays are arranged on the light emergent surface and opposite to the containing groove.

Furthermore, a plurality of the light reflecting structures are in a grid shape, and each light reflecting structure is in a plane shape.

Furthermore, a plurality of radial lines extending along the axial direction of the light adjusting body and a plurality of weft lines surrounding the axial direction of the light adjusting body are arranged on the side surface of the light adjusting body, and the light reflecting structure is formed between every two adjacent radial lines and every two adjacent weft lines.

Furthermore, a plurality of grains are arranged on the rear side surface of the convex ring.

Further, the edge of the cross section of the light adjusting body is arc-shaped, and the diameter of the side surface of the light adjusting body is gradually enlarged from the rear end to the front end of the light adjusting body.

Furthermore, the bottom surface of the accommodating groove is in a spherical surface shape with the middle part protruding backwards.

Further, each diffusion structure is in a spherical shape with a convex middle part.

Furthermore, the light-emitting surface is in a curved surface shape extending forwards from inside to outside in the area outside the plurality of diffusion structures.

Further, the diameter of the accommodating groove is gradually increased from the front end to the rear end of the light adjuster.

The utility model provides a lens structure's beneficial effect lies in: compared with the prior art, the utility model discloses a set up the diffusion barrier at the middle part on the play plain noodles of the body of adjusting luminance to make the light-emitting more even, and reflection of light structure on the side surface of the body of adjusting luminance, in order to reduce the side light leak, promote the light-emitting rate.

Another object of the present invention is to provide an LED barrel spotlight, comprising the lens structure as described above.

The utility model provides a LED section of thick bamboo shot-light's beneficial effect lies in: compared with the prior art, the utility model discloses LED section of thick bamboo shot-light has used above-mentioned lens structure, can realize even light-emitting to improve light-emitting efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of a lens structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a lens structure according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic cross-sectional structural view of the lens structure of FIG. 2;

fig. 5 is a schematic cross-sectional structure diagram of the lens structure in fig. 2 during dimming.

Fig. 6 is a schematic structural view of an LED tube spotlight provided in an embodiment of the present invention.

Wherein, in the drawings, the reference numerals are mainly as follows:

100-a lens structure; 10-light modulator; 11-a receiving groove; 112-a side wall; 12-side surface; 121-a light reflecting structure; 122-radial line; 123-weft; 13-a light-emitting surface; 131-a diffusion structure; 141-a positioning groove; 21-a convex ring; 211-texture;

30-a light source;

200-LED barrel spotlight.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 5, a lens structure 100 according to the present invention will now be described. The lens structure 100 comprises a bowl-shaped dimming body 10, the front end face of the dimming body 10 is a light-emitting face 13, and the periphery of the front end of the dimming body 10 is provided with a convex ring 21 which protrudes outwards and extends so as to be convenient to mount and fix; the rear end of the light adjuster 10 is provided with a containing groove 11 for the light source 30 to be arranged in, so that the light source is arranged in the containing groove 11, more light emitted by the light source can enter the light adjuster 10, and the light adjuster 10 adjusts the light, thereby improving the light utilization rate. The side surface 12 of the light modulator 10 is provided with a plurality of light reflecting structures 121 for reflecting light emitted from the side wall 112 of the receiving groove 11 to the side surface 12 toward the light emitting surface 13. The light reflecting structure 121 is disposed on the side surface 12 of the light modulator 10, so as to better reflect light from the light emitting surface 13, adjust the light emitting angle, reduce light leakage, and improve the light mixing effect. The light enters from the sidewall 112 of the receiving cavity 11, and can irradiate onto the lateral surface 12 of the light adjuster 10, and is reflected by the lateral surface 12 of the light adjuster 10, and the light entering from the bottom 111 of the receiving cavity 11 is directly emitted from the light emitting surface 13. The light emitting surface 13 is provided with a plurality of diffusion structures 131 opposite to the accommodating groove 11, and the diffusion structures 131 are arranged to uniformly diffuse the light. The diffusion structure 131 is disposed at a position opposite to the accommodating groove 11, so that the light irradiated from the bottom 111 of the accommodating groove 11 can be diffused more uniformly.

The utility model provides a lens structure 100, compared with the prior art, the utility model discloses a set up diffusion 131 at the middle part of the play plain noodles 13 of the body 10 that adjusts luminance to make the light-emitting more even, and reflection of light structure 121 on the side surface 12 of the body 10 that adjusts luminance, in order to reduce the side light leak, promote the light-emitting rate.

Further, referring to fig. 1 to 5, as an embodiment of the lens structure 100 provided by the present invention, the plurality of light reflecting structures 121 are in a grid shape, that is, the light reflecting structures 121 are combined to form a grid shape; each light reflecting structure 121 is planar to improve the light utilization rate and facilitate the processing and manufacturing.

Further, referring to fig. 1 to 5, as an embodiment of the lens structure 100 provided by the present invention, a plurality of radial lines 122 extending along the axial direction of the light adjuster 10 and a plurality of weft lines 123 surrounding the axial direction of the light adjuster 10 are disposed on the side surface 12 of the light adjuster 10, and a light reflecting structure 121 is formed between two adjacent radial lines 122 and two adjacent weft lines 123. So as to facilitate the processing and manufacturing, and simultaneously, the light reflecting structures 121 can be the same at the same axial position of the light adjusting body 10. Preferably, the radial lines 122 are annularly arrayed on the side surface 12 of the light modulator 10, and the distance between two adjacent radial lines 122 is equal, so that the light reflection is more uniform.

Further, referring to fig. 1 to 5, as a specific embodiment of the lens structure 100 provided by the present invention, the edge of the cross section of the light-adjusting body 10 is arc-shaped, and the diameter of the side surface 12 of the light-adjusting body 10 is gradually enlarged from the rear end to the front end of the light-adjusting body 10, which not only facilitates processing and manufacturing, but also facilitates the reflection of light to the light-emitting surface 13.

Further, please refer to fig. 1 to 5, as an embodiment of the lens structure 100 provided by the present invention, the bottom surface 111 of the accommodating groove 11 is a spherical surface protruding backward from the middle part, so as to facilitate light condensation, so that the light emitted from the bottom surface 111 of the accommodating groove 11 can be better condensed, so that the light can be better emitted from the light emitting surface 13 corresponding to the position of the accommodating groove 11, and the light entering from the bottom surface 111 of the accommodating groove 11 can be better emitted to the diffusion structure 131, so that the diffusion structure 131 can better diffuse and adjust the light, and the light emitting is more uniform.

Further, referring to fig. 1 to 5, as an embodiment of the lens structure 100 provided by the present invention, each diffusion structure 131 is a spherical surface with a convex middle portion, so as to better diffuse light and make the light emitted more uniform. Of course, in other embodiments, the diffusion structure 131 may be a microstructure for light uniformity. Each diffusion structure 131 may have a circular, polygonal, or the like shape.

Further, referring to fig. 1 to 5, as an embodiment of the lens structure 100 provided by the present invention, the light-emitting surface 13 is a curved surface extending forward from inside to outside in a region 132 outside the plurality of diffusion structures 131, and the light-emitting angle can be better adjusted by the curved surface.

Further, referring to fig. 1 to 5, as an embodiment of the lens structure 100 provided by the present invention, the rear end surface of the light adjuster 10 is planar, and the accommodating groove 11 is located in the middle of the rear end surface to conveniently support the light adjuster 10.

Further, referring to fig. 1 to 5, as an embodiment of the lens structure 100 of the present invention, the rear end surface 14 of the light adjusting body 10 is provided with positioning grooves 141 on two sides of the accommodating groove 11 for facilitating installation and positioning.

Further, referring to fig. 1 to 5, as an embodiment of the lens structure 100 of the present invention, the diameter of the accommodating groove 11 is gradually increased from the front end to the rear end of the light-adjusting body 10, so that the light emitted from the sidewall 112 of the accommodating groove 11 can better irradiate onto the side surface 12 of the light-adjusting body 10.

Further, referring to fig. 1 to 5, as a specific embodiment of the lens structure 100 provided by the present invention, a plurality of lines 211 are disposed on the rear side surface of the convex ring 21 for facilitating installation and fixation, and simultaneously, the lens structure can play a good role in reflecting light.

Further, referring to fig. 1 to 5, as an embodiment of the lens structure 100 provided by the present invention, a reflective layer (not shown) covers the side surface 12 of the light adjuster 10 to improve the light output.

Referring to fig. 6, the present invention further provides an LED barrel spotlight 200, wherein the LED barrel spotlight 200 includes the lens structure 100. The utility model provides a LED section of thick bamboo shot-light 200 has adopted above-mentioned lens structure 100, can realize even light-emitting to improve luminous efficiency.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Lens structure, including the cup-shaped body of adjusting luminance of bowl, the light modulation body front end face is for going out the plain noodles, its characterized in that: the periphery of the front end of the light adjuster is outwards protruded and extended to form a convex ring; the rear end of the light adjuster is provided with a containing groove for placing a light source, a plurality of light reflecting structures for reflecting light rays emitted to the side surface from the side wall of the containing groove towards the light emergent surface are arranged on the side surface of the light adjuster, and a plurality of diffusion structures for uniformly diffusing the light rays are arranged on the light emergent surface and opposite to the containing groove.

2. The lens structure of claim 1, wherein: the plurality of light reflecting structures are in a grid shape, and each light reflecting structure is in a plane shape.

3. The lens structure of claim 2, wherein: the side surface of the light adjusting body is provided with a plurality of radial lines extending along the axial direction of the light adjusting body and a plurality of weft lines surrounding the axial direction of the light adjusting body, and the light reflecting structure is formed between every two adjacent radial lines and every two adjacent weft lines.

4. A lens structure according to any one of claims 1 to 3, wherein: the rear side surface of the convex ring is provided with a plurality of grains.

5. A lens structure according to any one of claims 1 to 3, wherein: the edge of the cross section of the light adjusting body is arc-shaped, and the diameter of the side surface of the light adjusting body is gradually enlarged from the rear end to the front end of the light adjusting body.

6. A lens structure according to any one of claims 1 to 3, wherein: the bottom surface of the containing groove is in a spherical surface shape with the middle part protruding backwards.

7. A lens structure according to any one of claims 1 to 3, wherein: each diffusion structure is in a spherical surface shape with the middle part protruding forwards.

8. A lens structure according to any one of claims 1 to 3, wherein: the light-emitting surface is in a curved surface shape extending forwards from inside to outside in the area outside the plurality of diffusion structures.

9. A lens structure according to any one of claims 1 to 3, wherein: the diameter of the accommodating groove is gradually increased from the front end to the rear end of the light adjusting body.

An LED barrel spotlight comprising the lens structure of any one of claims 1 to 9.