CN217178329U

CN217178329U - Optical device with light mixing effect

Info

Publication number: CN217178329U
Application number: CN202123393496.8U
Authority: CN
Inventors: 陈健忠
Original assignee: Guangzhou Xinhuang Industrial Co ltd
Current assignee: Guangzhou Xinhuang Industrial Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-12
Anticipated expiration: 2031-12-29

Abstract

The utility model belongs to the technical field of optical device, concretely relates to optical device with mixed light effect. The optical device with the light mixing effect comprises a light mixing plate and a light emitting assembly, wherein the light emitting assembly and the light mixing plate are stacked and fixed mutually, the light emitting assembly comprises a plurality of light emitting units, a plurality of hollow light reflecting cavities are formed in the light mixing plate, the light emitting units are located in the light reflecting cavities, and the light reflecting cavities reflect light generated by the light emitting units to enable the light generated by the light emitting units to be mixed. The utility model provides an optical device with mixed light effect, it is effectual to mix the light, and the facula is even to anti-dazzle effect has.

Description

Optical device with light mixing effect

Technical Field

The utility model belongs to the technical field of optical device, concretely relates to optical device with mixed light effect.

Background

In the environments such as stage, movie, studio, outdoor scene shooting, event and theater, the lighting effect rendering of the environment is often required to be performed by using spotlights and light mixing lamps. In the prior art, a lens and a frosted lens are generally adopted to mix light before a light outlet of a light-emitting device, and when the mode is adopted, a great amount of diffuse reflection can be generated by directly adopting the frosted lens, so that the light utilization rate is not high, and the color of the mixed light is not ideal; when the lens is used for light distribution, the surface of the lens cannot be subjected to honeycomb surface or other surface treatment, so that light spots are not uniform enough and dazzling feeling is achieved under the condition of small-angle light distribution.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides an optical device with mixed light effect.

The utility model provides an optical device with mix light effect, it includes and mixes worn-out fur and light-emitting component, light-emitting component and mixed worn-out fur fold set up and fixed mutually, light-emitting component includes a plurality of luminescence units, mix and seted up a plurality of hollow reflection of light cavitys on the worn-out fur, the luminescence unit is located in the reflection of light cavity, it is right to reflect light that the luminescence unit produced reflects, makes the light that the luminescence unit produced mixes.

Preferably, the light reflecting cavities are arranged in an array, and the light emitting units correspond to the light reflecting cavities one to one.

Preferably, the light-emitting unit is an LED color lamp bead, and the LED color lamp bead has more than two colors.

Preferably, the optical apparatus with a light mixing effect further includes a light diffusion plate located at a light emitting side of the light emitting assembly, the light diffusion plate being configured to optically diffuse light generated by the light emitting unit.

Preferably, the light diffusion plate is a frosted acrylic plate.

Preferably, the optical device with a light mixing effect further includes a housing, an installation groove is formed in one end of the housing, which is located on the light emitting side of the light emitting assembly, the light mixing plate and the light emitting assembly are located in the installation groove, and the housing dissipates heat generated by the light emitting unit.

Preferably, the housing is made of aluminum or copper, and a heat dissipation fin is further disposed at one end of the housing located at the backlight side of the light emitting assembly.

Preferably, the light emitting assembly further includes a PCB fixed in the mounting groove, the light emitting units are fixed to the PCB in an array, the PCB and the light mixing plate are stacked and fixed to each other, the optical device with a light mixing effect further includes a light diffusion plate, and a periphery of the light diffusion plate is connected to the housing.

Preferably, the cross sections of the bottom and the top of the reflecting cavity are homopolygons, the number of sides n is larger than or equal to 4, and n is an even number.

Preferably, the cross sections of the bottom and the top of the light reflecting cavity are regular hexagons, and the cross section of the light reflecting cavity is gradually enlarged from the bottom along the top.

The utility model provides an optical device with mixed light effect, it is effectual to mix the light, and the facula is even to anti-dazzle effect has.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic structural diagram of an optical device with a light mixing effect according to an embodiment;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

in the figure: the LED light source comprises a shell 1, a light diffusion plate 2, a light mixing plate 3, a light reflecting cavity 4, a light emitting component 5, a light emitting unit 6, a PCB 7 and a heat radiating fin 8.

Detailed Description

To facilitate an understanding of the present invention, the present invention will now be described more fully with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-2, the present invention provides an optical device with mixed light effect, which comprises a mixed light plate 3 and a light emitting assembly 5, wherein the light emitting assembly 5 and the mixed light plate 3 are stacked and fixed to each other, the light emitting assembly 5 comprises a plurality of light emitting units 6, a plurality of hollow reflective cavities 4 are provided on the mixed light plate 3, the light emitting units 6 are located in the reflective cavities 4, the reflective cavities 4 reflect the light generated by the light emitting units 6, so that the light generated by the light emitting units 6 is mixed.

Referring to fig. 1-2, in a preferred embodiment, the reflective cavities 4 are arranged in an array, and the light emitting units 6 correspond to the reflective cavities 4 one by one. The general mixed light board 3 is a hollow grid mixed light board 3, each light emitting unit 6 is independently arranged in the light reflecting cavity 4, and each light emitting unit 6 is reflected by the light reflecting cavity 4, so that light spots generated by the optical device are more uniform.

Referring to fig. 1-2, in a preferred embodiment, the light emitting unit 6 is an LED color lamp bead, and the LED color lamp bead has more than two colors. In some embodiments, a COB lamp bead may also be used, and a white light emitter, a red light emitter, a green light emitter, and a blue light emitter are disposed in the light-emitting unit 6. The light of the plurality of colors emitted by the light emitting unit 6 is mixed by the light mixing plate 3.

Referring to fig. 1-2, in a preferred embodiment, the optical device with light mixing effect further includes a light diffusion plate 2, the light diffusion plate 2 is located at the light emitting side of the light emitting assembly 5, and the light diffusion plate 2 is used for optically diffusing the light generated by the light emitting unit 6. Further, the light diffusion plate 2 is a frosted acrylic plate. The light diffusion plate 2 is a physical phenomenon that light rays are refracted, reflected and scattered when encountering two media having different refractive indexes (densities) in the course of traveling by chemical or physical means, and the light diffusion plate changes the traveling path of light rays by adding an inorganic or organic light diffusion agent to a base material such as PMMA, PC, PS, PP, hips or the like or by artificially adjusting the light rays by an array arrangement of micro-feature structures on the surface of the base material to refract, reflect, and scatter the light rays in different directions, thereby realizing the effect of optically diffusing incident light rays by diffusing the color of the incident light rays. The light generated by the optical device is softer by the light diffusion plate 2, so that a better anti-dazzle effect is achieved.

Referring to fig. 1-2, in a preferred embodiment, the optical device with light mixing effect further includes a housing 1, an installation groove is formed at one end of the housing 1 located at the light emitting side of the light emitting component 5, the light mixing plate 3 and the light emitting component 5 are located in the installation groove, and the housing 1 dissipates heat generated by the light emitting unit 6. Further, the housing 1 is made of aluminum or copper, and a heat dissipation fin 8 is further opened at one end of the housing 1 located on the backlight side of the light emitting assembly 5. Furthermore, the light emitting assembly 5 further includes a PCB 7, the PCB 7 is fixed in the mounting groove, the light emitting units 6 are fixed on the PCB 7 in an array manner, the PCB 7 and the light mixing plate 3 are stacked and fixed to each other, the optical device with light mixing effect further includes a light diffusion plate 2, and the periphery of the light diffusion plate 2 is connected to the housing 1. The heat generated by the light-emitting unit 6 is radiated through the shell 1, and the stable work of the light-emitting unit 6 is ensured.

Referring to FIGS. 1-2, in a preferred embodiment, the cross-sections of the bottom and top of the reflective cavity 4 are regular polygons, the number of sides n ≧ 4, and n is an even number. The bottom of the reflective cavity 4 is the end of the reflective cavity 4 close to the light emitting component 5, and the top of the reflective cavity 4 is the end of the reflective cavity 4 far from the light emitting component 5.

In the preferred embodiment, the cross-section of the bottom and the top of the light reflecting cavity 4 is regular hexagon, and the cross-section of the light reflecting cavity 4 is gradually enlarged from the bottom along the top. The embodiment is a scheme formed by further improving the reflective cavity 4 of the previous embodiment, and through repeated tests, the reflective cavity 4 with the gradually enlarged cross section has a better light mixing effect. For example, when the cross sections of the bottom and the top of the light reflecting cavity 4 are regular hexagonal frustum light mixing effect is good, especially L1: l2: h is 15:21:35.5, where L1 is the length of the bottom surface of the reflective cavity 4, L2 is the length of the top surface of the reflective cavity 4, and H is the height of the reflective cavity 4.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. The utility model provides an optical device with mix light effect, its characterized in that, optical device with mix light effect includes and mixes light board and light-emitting component, light-emitting component and mix the setting of light board lamination and mutual fixed, light-emitting component includes a plurality of luminescence units, mix and seted up a plurality of hollow reflection of light cavitys on the light board, light-emitting unit is located reflection of light cavity is internal, reflection of light cavity is to the light that light-emitting unit produced, makes the light that light-emitting unit produced mix.

2. The optical device with light mixing effect as claimed in claim 1, wherein the light reflecting cavities are arranged in an array, and the light emitting units correspond to the light reflecting cavities one by one.

3. The optical device with a light mixing effect as claimed in claim 2, wherein the light emitting unit is an LED color lamp bead, and the LED color lamp bead has more than two colors.

4. The optical device with light mixing effect as claimed in claim 1, further comprising a light diffusion plate located at the light emitting side of the light emitting assembly, the light diffusion plate being used for optically diffusing the light generated by the light emitting unit.

5. The optical device with light mixing effect as claimed in claim 4, wherein the light diffusion plate is a frosted acrylic plate.

6. The optical device with a light mixing effect as claimed in claim 1, further comprising a housing, wherein an installation groove is formed at one end of the housing located at the light emitting side of the light emitting assembly, the light mixing plate and the light emitting assembly are located in the installation groove, and the housing dissipates heat generated by the light emitting unit.

7. The optical device with a light mixing effect as claimed in claim 6, wherein the housing is made of aluminum or copper, and a heat dissipating fin is further formed at one end of the housing on the backlight side of the light emitting assembly.

8. The optical device with light mixing effect as claimed in claim 6, wherein the light emitting assembly further comprises a PCB board fixed in the mounting groove, the light emitting units are fixed in the PCB board in an array manner, the PCB board and the light mixing board are stacked and fixed to each other, and the optical device with light mixing effect further comprises a light diffusion plate, the periphery of the light diffusion plate is connected to the housing.

9. The optical device with light mixing effect as claimed in claim 1, wherein the cross-section of the bottom and the top of the light reflecting cavity is a regular polygon with n ≧ 4, and n is an even number.

10. The optical device with a light mixing effect as claimed in claim 1, wherein the cross-section of the bottom and the top of the light reflecting cavity is a regular hexagon, and the cross-section of the light reflecting cavity is gradually increased from the bottom to the top.