CN207762609U - Collimate LED lens and collimation LED light - Google Patents

Abstract

The utility model discloses collimation LED lens and collimation LED light.The collimation LED light includes collimation LED lens and LED light, and collimation LED lens include in horn-like lens body, and the lens body is increased by incidence end to exit end size；The incidence end of the lens body offers incident slot, and the slot bottom of the incidence slot forms first plane of incidence, and the side of the incidence slot forms second plane of incidence；The inside of the lens body corresponds to the incident slot and is equipped with the first exit facet；The lateral surface of the lens body offers several reflective steps, and reflecting surface is formed between the adjacent reflective steps；The medial surface of the lens body is equipped with several light extraction steps corresponding to the reflective steps, and each light extraction step forms a light-emitting surface, and the light-emitting surface and the collimated ray are perpendicular.Collimation LED lens described in the utility model can be emitted the small collimated ray of range and materials are few, at low cost, hot spot is uniform.

Description

Collimated LED lens and collimated LED light

technical field

The utility model relates to the technical field of LEDs, in particular to a collimated LED lens and a collimated LED lamp.

Background technique

Due to the continuous development of semiconductor technology, the luminous efficiency of light-emitting diodes (LEDs) has been greatly improved. Light-emitting diodes have the advantages of low power consumption, long service life, high safety, short luminous response time and small size, and have been widely used in many types of electronic products.

At present, lamps with high-power LEDs as light sources generally use LEDs to be fixed on heat sinks with heat sinks, and reflectors are used to reflect the light emitted by LEDs to make lamps, or, according to the light emitted by LEDs and other points The directionality of the light source is more consistent than that of the light source, and the light is concentrated in front of the light surface. Add a lens in the direction of the LED irradiation.

However, traditional optical lenses such as cylindrical mirrors or spherical mirrors generally use a smooth plane or smooth curved surface for their light-emitting surfaces. They have a large light-emitting angle for LEDs and a wide range of illumination, but most places in actual lighting require a range of illumination Small but concentrated light and high brightness lighting spots, such as buried, ceiling and wall washing, stage lights, etc. In these cases, if a buried or ceiling wall washer lens with a large illumination range is used, part of the light will be irradiated outside the required lighting area, resulting in waste of light energy or even light pollution, and at the same time make the required lighting area The lighting intensity is obviously not enough, which affects the wall washing effect.

Most collimating lenses on the market are large in size, use a lot of materials, are expensive, and have uneven light spots, which greatly affect the light output effect.

Utility model content

Based on this, the utility model provides a collimated LED lens capable of emitting collimated light with a small range, less material, low cost and uniform light spot.

The utility model also provides a collimated LED lamp.

In order to realize the purpose of the utility model, the utility model adopts the following technical solutions:

A collimating LED lens is used for distributing the light emitted by the LED lamp into collimated light rays, which includes a horn-shaped lens body, and the size of the lens body increases from the incident end to the exit end; the incidence of the lens body The end is provided with an incident groove, the groove bottom of the incident groove forms a first incident surface, and the side of the incident groove forms a second incident surface; the inner side of the lens body is provided with a first incident surface corresponding to the incident groove; The outer surface of the lens body is provided with a number of reflection steps, and a reflection surface is formed between adjacent reflection steps; the inner surface of the lens body is provided with a number of light-emitting steps corresponding to the reflection steps, each of which The light exit step forms a light exit surface, and the light exit surface is perpendicular to the collimated light.

The above-mentioned collimated LED lens has a plurality of reflection steps and light output steps on the horn-shaped lens body, so that the light emitted by the LED lamp and the light formed by refraction are changed into collimated light rays, so that the light is emitted more concentratedly. The range of the spot is reduced, the brightness of the light is increased, the waste of light and light pollution are reduced, and it is more suitable for the work occasions where the light is concentrated; Concentrated straight light, the spot is more uniform, and the material used is reduced, which reduces the cost of the lens.

In some embodiments, the first incident surface protrudes toward the opening of the incident groove, and the first outgoing surface protrudes toward the opening of the lens body.

In some of these embodiments, the convex curvature of the first incident surface is consistent with the convex curvature of the first exit surface.

In some of these embodiments, the length from the incident end of the lens body to the reflection surface adjacent to the exit end increases.

In some of these embodiments, the length from the incident end of the lens body to the adjacent light exit surface of the exit end increases.

The utility model also adopts following technical scheme:

A collimated LED lamp is used to emit collimated light, which includes a collimated LED lens and an LED lamp. The collimated LED lens includes a trumpet-shaped lens body, and the size of the lens body increases from the incident end to the exit end. Large; the incident end of the lens body is provided with an incident groove, the groove bottom of the incident groove forms the first incident surface, and the side of the incident groove forms the second incident surface; the inner side of the lens body corresponds to the incident surface The groove is provided with a first exit surface; the outer surface of the lens body is provided with a number of reflection steps, and each of the reflection steps forms a reflection surface; the inner surface of the lens body is provided with a number of light exits corresponding to the reflection steps. Steps, each of the light-emitting steps forms a light-emitting surface, and the light-emitting surface is perpendicular to the collimated light; the LED lamp is arranged close to the incident groove.

The above-mentioned collimated LED lamp has a plurality of reflection steps and light-emitting steps on the horn-shaped lens body, and the light emitted by the LED lamp and the light formed by refraction are changed into collimated light rays, so that the light is emitted more concentratedly, reducing the The scope of the light spot is increased, the brightness of the light is increased, the waste of light and light pollution are reduced, and it is more suitable for the work occasions where the light is concentrated; Straight light, the light spot is more uniform, and the material is reduced, the structure is light and thin, and the cost of the lens is reduced.

In some embodiments, the first incident surface protrudes toward the opening of the incident groove, and the first outgoing surface protrudes toward the opening of the lens body.

In some of these embodiments, the convex curvature of the first incident surface is consistent with the convex curvature of the first exit surface.

In some of these embodiments, the length from the incident end of the lens body to the reflection surface adjacent to the exit end increases.

In some of these embodiments, the length from the incident end of the lens body to the adjacent light exit surface of the exit end increases.

Description of drawings

Fig. 1 is the structural representation of collimating LED lens described in a preferred embodiment of the utility model;

Fig. 2 is a structural schematic diagram of another viewing angle of the collimating LED lens described in Fig. 1;

Fig. 3 is a schematic view of the side structure of the collimating LED lens described in Fig. 1;

Fig. 4 is A-A to sectional view among Fig. 2;

Fig. 5 is a schematic structural diagram of the collimated LED lamp according to a preferred embodiment of the present invention.

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the present invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model.

Example

The utility model provides a collimated LED lamp 100 for emitting more concentrated collimated light.

Please refer to FIG. 5 , which is a collimated LED transparent lamp 100 according to a preferred embodiment of the present invention, which includes a collimated LED lens 10 and an LED lamp 20. The light emitted by the LED lamp 20 is refracted and reflected by the collimated LED lens 10 and then emitted .

Please refer to Fig. 4 and Fig. 5, the above-mentioned collimating LED lens 10 includes a horn-shaped lens body 30, and the size of the lens body 30 increases from the incident end to the exit end, that is, the smaller end is the incident end, and the larger end is the incident end. One end is the exit end. The incident end of the lens body 30 is provided with an incident groove 31 , the bottom of the incident groove 31 forms a first incident surface 32 , and the side surface of the incident groove 31 forms a second incident surface 33 .

The inner side of the lens body 30 corresponds to the incident groove 31 and is provided with a first emitting surface 34 for emitting light emitted from the first incident surface 32 . A plurality of reflective steps 35 are provided on the outer surface of the lens body 30 , and reflective surfaces 36 are formed between adjacent reflective steps 35 , and the light refracted by the second incident surface 33 is then reflected by the reflective surfaces 36 .

Please refer to Figures 1 to 4, the inner surface of the lens body 30 is provided with a number of light-emitting steps 37 corresponding to the above-mentioned reflection steps 35, each light-emitting step 37 forms a light-emitting surface 38, and the light-emitting surface 38 is perpendicular to the collimated light , the light reflected by the reflective surface 36 exits the light exit surface 38 to form a collimated light.

In one embodiment, the first incident surface 32 protrudes toward the opening of the incident groove 31, and the first outgoing surface 34 protrudes toward the opening of the lens body 30, so that the directions of the first incident surface 32 and the first outgoing surface 34 are consistent. The outgoing rays are straight lines.

Furthermore, the convex curvature of the first incident surface 32 is consistent with the convex curvature of the first exit surface 34, further ensuring that the emitted light is a straight line.

In this embodiment, the first incident surface 32 includes several sequentially connected incident straight surfaces. Similarly, the first outgoing surface 34 includes several sequentially connected outgoing straight surfaces, and each incident straight surface corresponds to an outgoing straight surface to further ensure that the emitted light for a straight line.

Since the light emitted by the LED lamp gradually increases from the middle to the side, the length of the reflective surface 36 adjacent to the incident end of the lens body 30 to the outgoing end increases, so that all refracted light can pass through the above-mentioned reflective surface 36. Make a reflection.

Correspondingly, the length from the incident end to the adjacent light-emitting surface 38 of the lens body 30 increases, so that the light reflected by the reflective surface 36 can be emitted from the corresponding light-emitting surface 38 .

Please refer to FIG. 5 , the light emitted by the LED lamp 20 enters the first incident surface 32 , and then exits the first outgoing surface 34 to form a collimated light. The other route is incident on the second incident surface 33, and is reflected by the reflective surface 36 after refraction, and the reflected light is emitted through the light-emitting step 37. Since the light-emitting step 37 is perpendicular to the reflected light, the light emitted from the light-emitting step 37 is collimated. The light is in the same direction as the collimated light emitted from the first exit surface 34 .

The above-mentioned collimated LED lamp has a plurality of reflection steps and light-emitting steps on the horn-shaped lens body, and the light emitted by the LED lamp and the light formed by refraction are changed into collimated light rays, so that the light is emitted more concentratedly, reducing the The scope of the light spot is increased, the brightness of the light is increased, the waste of light and light pollution are reduced, and it is more suitable for the work occasions where the light is concentrated; Straight light, the light spot is more uniform, and the material is reduced, the structure is light and thin, and the cost of the lens is reduced.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. A collimating LED lens, which is used to distribute the light emitted by the LED lamp into collimated light, is characterized in that it comprises a trumpet-shaped lens body, and the size of the lens body increases from the incident end to the exit end; The incident end of the lens body is provided with an incident groove, the groove bottom of the incident groove forms a first incident surface, and the side surface of the incident groove forms a second incident surface; the inner side of the lens body corresponds to the incident groove. The first exit surface; the outer surface of the lens body is provided with a number of reflection steps, and a reflection surface is formed between adjacent reflection steps; the inner surface of the lens body is provided with a number of light exit steps corresponding to the reflection steps , each of the light-emitting steps forms a light-emitting surface, and the light-emitting surface is perpendicular to the collimated light. 2 . The collimating LED lens according to claim 1 , wherein the first incident surface protrudes toward the opening of the incident groove, and the first outgoing surface protrudes toward the opening of the lens body. 3. The collimating LED lens according to claim 2, wherein the convex curvature of the first incident surface is consistent with the convex curvature of the first outgoing surface. 4 . The collimating LED lens according to claim 1 , wherein the length of the reflective surface adjacent to the output end of the lens body increases from the incident end to the output end. 5 . The collimating LED lens according to claim 4 , wherein the length from the incident end of the lens body to the adjacent light exit surface of the exit end increases. 6 . 6. A collimated LED lamp, used to emit collimated light, is characterized in that: it comprises a collimated LED lens and an LED lamp, and the collimated LED lens comprises a trumpet-shaped lens body, and the lens body is formed by an incident end The size of the exit end increases; the incident end of the lens body is provided with an incident groove, the bottom of the incident groove forms the first incident surface, and the side surface of the incident groove forms the second incident surface; the inner side of the lens body A first exit surface is provided corresponding to the incident groove; a number of reflection steps are provided on the outer surface of the lens body, and each reflection step forms a reflection surface; The light-emitting steps of the reflection steps, each of the light-emitting steps forms a light-emitting surface, and the light-emitting surface is perpendicular to the collimated light; the LED lamp is arranged close to the incident groove. 7. The collimated LED lamp according to claim 6, wherein the first incident surface protrudes toward the opening of the incident groove, and the first outgoing surface protrudes towards the opening of the lens body. 8. The collimated LED lamp according to claim 6, characterized in that: the convex arc of the first incident surface is consistent with the convex arc of the first outgoing surface. 9. The collimated LED lamp according to claim 6, characterized in that: the length of the reflective surface adjacent to the output end of the lens body increases from the incident end to the output end. 10 . The collimated LED lamp according to claim 9 , wherein the length of the light-emitting surface adjacent to the emitting end of the lens body increases from the incident end to the emitting end. 11 .