CN211551503U

CN211551503U - Uniform lighting light mixing device

Info

Publication number: CN211551503U
Application number: CN202020555897.5U
Authority: CN
Inventors: 奚晓珊; 刘汉耀
Original assignee: Guangzhou Youwei Photoelectric Technology Co ltd
Current assignee: Guangzhou Youwei Photoelectric Technology Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-09-22
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses an even illumination mixes light device, including the leaded light post, the leaded light post includes incident surface, emitting surface, light conductor and mixes the plain noodles, light certainly the incident surface jets into, warp in the light conductor follow after mixing the reflection of plain noodles the emitting surface jets out, it is the curved surface to mix the plain noodles. The utility model discloses design into the curved surface with the mixed smooth surface of leaded light post, incident ray when reflecting on mixing the smooth surface, with the light shrinkage to reach the effect of narrowing emergent ray. With current dodging lens contrast, under the same condition of length in incident light aperture, emergent light aperture and leaded light post, the utility model discloses a receive the light efficiency absolute value and increased more than 2%, the even light effect of the mixed light that jets out is better, and luminance is higher, more is applicable to the application of numerous and varied stage environment, lighting environment and other similar demands.

Description

Uniform lighting light mixing device

Technical Field

The utility model relates to a lighting technology field, more specifically say, relate to an even illumination mixing light device.

Background

Besides the use of lighting, lighting systems also play an important role in modern stage entertainment equipment. In a stage camera, a factory lighting or a projection system, a single color light and a fixed lighting are not enough to meet the increasingly rich requirements, and a multi-color mixed light lighting and a plurality of lights with specific shapes are gradually required by the industry, so that lighting equipment needs to produce a shadow with uniform mixing of the multi-color light and the plurality of specific shapes.

The existing light mixing device adopts different chip packages to meet different light mixing requirements, and is also realized through the dodging lens, the width of emergent light and incident light is unchanged, the light receiving rate is low, the uniform effect of the emitted mixed light is poor, and the brightness is insufficient.

The above disadvantages need to be improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides an even illumination mixing light device.

The utility model discloses technical scheme as follows:

the uniform illumination light mixing device comprises a light guide column, wherein the light guide column comprises an incident surface, an emergent surface, a light guide body and a light mixing surface, light rays are incident from the incident surface, and are emitted from the emergent surface after being reflected by the light mixing surface in the light guide body, and the light mixing surface is a curved surface.

In the uniform illumination light mixing device, the light mixing surface is a convex curved surface.

Further, the light guide column is a solid body, and the material of the light guide column comprises plastic, glass or silica gel.

Still further, the light guide post includes one or more materials.

In the uniform illumination light mixing device, the light guide column is of a hollow structure, and the light mixing surface is an inwards concave curved surface.

Furthermore, the incident surface, the emergent surface and the light mixing surface are made of plastic cement, glass or silica gel.

Still further, the light guide post includes one or more materials.

In the above uniform illumination light mixing device, the incident surface and the exit surface are both flat surfaces or curved surfaces.

In the uniform illumination light mixing device, the light guide column is formed by die casting, grinding, splicing or bonding.

In the uniform illumination light mixing device, the maximum radial dimension id of the incident surface, the maximum radial dimension od of the emergent surface, the maximum radial dimension I of the light mixing surface and the length L of the light guide post simultaneously satisfy 0.9< L/id <1.5 and 20< L/abs (od-id) < 70.

In the above uniform illumination light mixing device, the fitting optimal spherical radius R of the light mixing surface and the maximum radial length L of the light mixing surface satisfy R/L > 600. The uniform illumination light mixing device comprises monochromatic light and polychromatic light.

In the uniform illumination light mixing device, the light mixing surface is polished and formed.

In the uniform illumination light mixing device, the light mixing surface is formed by glass compression molding.

In the uniform illumination light mixing device, the light mixing surface is formed by resin injection molding.

In the uniform illumination light mixing device, the light mixing surface is a three-edge curved surface or a curved surface with more than three edges.

In the uniform illumination light mixing device, the light mixing surface is of a single-layer structure or a multi-layer combined scaly nail structure.

According to the above scheme the utility model discloses, its beneficial effect lies in, the utility model discloses design into the curved surface of arch or indent with the mixed light face of leaded light post, when incident ray reflects on mixing the light face, with the light contraction to reach the effect of narrowing emergent ray. With current dodging lens contrast, under the same condition of length in incident light aperture, emergent light aperture and leaded light post, the utility model discloses a receive the light efficiency absolute value and increased more than 2%, the even light effect of the mixed light that jets out is better, and luminance is higher, more is applicable to the application of numerous and varied stage environment, lighting environment and other similar demands.

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 schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a dodging lens in the prior art.

Fig. 3 is a schematic structural view of the belt with dimension marks of the present invention.

Fig. 4 is a schematic structural diagram of another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. an incident surface; 2. an exit surface; 3. mixing the light surface; 4. a light guide body.

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 for purposes of illustration only and are not intended to limit the invention.

It should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positions based on the positions shown in the drawings, which are only for convenience of description and should not be construed as limiting the technical solution. "plurality" means two or more and "plurality" means two or more unless specifically limited otherwise.

A uniform illumination light mixing device, as shown in fig. 1, includes a light guide pillar, which includes an incident surface 1, an exit surface 2, a light mixing surface 3 and a light guide body 4. The main body of the light guide column is a light guide body 4, the left end and the right end of the light guide column are respectively an incident surface 1 and an emergent surface 2, the upper side and the lower side of the light guide column are light mixing surfaces 3, light rays are injected from the incident surface 1, and the light rays are injected from the emergent surface 2 after being reflected for multiple times by the light mixing surfaces 3 in the light guide body 4. The incident surface 1 and the exit surface 2 are not limited and may be a plane or a curved surface, and the light mixing surface 3 is a curved surface.

The light guide column is integrally columnar or strip-shaped and can be made of one or more materials, the types of the materials comprise plastic, glass, silica gel and other light-transmitting (including infrared light and ultraviolet light) materials, and the manufacturing method comprises die casting, grinding, splicing or bonding forming. In one embodiment, the light guide pillar is made by plastic or silicone rubber die-casting; in another embodiment, the light guide pillar is formed by grinding glass; in another embodiment, the light guide pillar is formed by splicing or bonding plastic, glass or silica gel.

Wherein, the outer surface of the light mixing surface is an optical surface finished by polishing forming, glass compression molding or resin injection molding. The light mixing surface can be a three-edge curved surface or a curved surface with more than three edges. The light mixing surface is of a single-layer structure or a multi-layer combined scaly nail structure (one reflecting curved surface is connected with the incident surface and the emergent surface and is of a single-layer structure, and if one or more reflecting surfaces are not connected with the incident surface or the emergent surface, the reflecting curved surface is of a scaly nail structure).

The size names and code numbers of the light guide column are shown in the following table, and in order to achieve a better light condensation effect and shrink the width of the emergent light, the relation among the incident surface, the emergent surface and the light mixing surface needs to be considered, the size of the light guide column needs to be limited, and the curvature of the light mixing surface needs to be limited. Therefore, the relationship between the dimensions needs to satisfy:

(1)0.9<l/id<1.5；

(2)20<Ld/abs(od-id)<70；

(2)R/Lh>600。

name (R)	Code number
		Maximum radial dimension of incident surface	id
Maximum radial dimension of the exit face	od
		Maximum radial dimension of mixed light surface	I
Length of light guide post	Ld
		Optimum spherical radius of mixed light surface fitting	R
Maximum radial length of light mixing surface	Lh

Fig. 3 shows one embodiment of the present invention, and fig. 4 shows another embodiment of the present invention. As shown in fig. 3, when the light guide bar is a solid, the light mixing surface 3 is a curved surface protruding outward; as shown in fig. 4, if the light guide pillar is a hollow cavity, the light mixing surface 3 is a curved surface facing inwards, and the incident light is transmitted in the hollow cavity and reflected on the concave light mixing surface 3.

The utility model discloses an incident light of leaded light post includes monochromatic light and polychromatic light, as shown in fig. 1, polychromatic light carries out multiple reflection respectively in incident surface 1 gets into the leaded light post at upper and lower two muddy plain noodles 3, is the curved surface because of mixing plain noodles 3, produces the effect of gathering together to the light after the reflection, gathers together the effect after the reflection at every turn and strengthens, and the outgoing light who jets out from the plane of reflection is narrower than incident light at last, and the mixed effect is even. With current dodging lens contrast, as shown in fig. 2, under the same condition of length in incident light aperture, emergent light aperture and leaded light post, the utility model discloses a receive the light efficiency absolute value and increased more than 2%, the dodging effect of the mixed light that jets out is better, and luminance is higher, more is applicable to the application of numerous and varied stage environment, lighting environment and other similar demands.

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. The uniform illumination light mixing device is characterized by comprising a light guide column, wherein the light guide column comprises an incident surface, an emergent surface, a light guide body and a light mixing surface, light rays are incident from the incident surface, and are emitted from the emergent surface after being reflected by the light mixing surface in the light guide body, and the light mixing surface is a curved surface.

2. A homogeneous illumination light mixing device as set forth in claim 1, wherein said light guide pillar has a hollow structure, and said light mixing surface is a concave curved surface.

3. A homogeneous illumination light mixing device as recited in claim 2, wherein said incident surface, said exit surface and said light mixing surface are made of transparent plastic, glass or silicone.

4. A homogeneous illumination light mixing device as recited in claim 1, wherein said light mixing surface is a convex surface.

5. A homogeneous illumination mixing device as set forth in claim 4 wherein said light guide is solid and the material of said light guide comprises transparent plastic, glass or silica gel.

6. A homogeneous illumination light mixing device according to claim 1, wherein the entrance face maximum radial dimension id, the exit face maximum radial dimension od, the light mixing face maximum radial dimension I and the light guiding pillar length L simultaneously satisfy 0.9< L/id <1.5 and 20< L/abs (od-id) < 70.

7. A homogeneous illumination light mixing device as recited in claim 1, wherein said light mixing surface fitting optimal spherical radius R and said light mixing surface maximum radial length L satisfy R/L > 600.

8. A homogeneous illumination light mixing device as recited in claim 1, wherein said light mixing surface is a three-or-more-sided surface.

9. A homogeneous illumination light mixing device as claimed in claim 1, wherein the light mixing surface is in a single layer structure or a multi-layer combined scaly structure.

10. A homogeneous illumination mixing device as claimed in claim 1, wherein the light guide posts are formed by die casting or grinding or splicing or bonding.