WO2020006783A1 - 一种反光碗及应用于彩色投光灯的光学*** - Google Patents

一种反光碗及应用于彩色投光灯的光学*** Download PDF

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Publication number
WO2020006783A1
WO2020006783A1 PCT/CN2018/096235 CN2018096235W WO2020006783A1 WO 2020006783 A1 WO2020006783 A1 WO 2020006783A1 CN 2018096235 W CN2018096235 W CN 2018096235W WO 2020006783 A1 WO2020006783 A1 WO 2020006783A1
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WO
WIPO (PCT)
Prior art keywords
reflective bowl
light
reflective
bowl body
light source
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Application number
PCT/CN2018/096235
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English (en)
French (fr)
Inventor
黄荣丰
陈志曼
王国海
余泽松
Original Assignee
广州市雅江光电设备有限公司
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Application filed by 广州市雅江光电设备有限公司 filed Critical 广州市雅江光电设备有限公司
Priority to US16/472,911 priority Critical patent/US10948157B2/en
Priority to EP18893340.2A priority patent/EP3611428A4/en
Publication of WO2020006783A1 publication Critical patent/WO2020006783A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/104—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using feather joints, e.g. tongues and grooves, with or without friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/049—Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/045—Optical design with spherical surface
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to the technical field of lighting equipment, and more particularly, to a reflective bowl and an optical system applied to a color floodlight.
  • Reflective bowl is mainly used to focus the light source of the lighting fixture.
  • the reflective surface of the reflective bowl is used to change the direction of the light source so that the light can be focused in a certain direction.
  • the light-emitting surface of the current reflective bowl is basically circular. Although the light effect is high, the light-emitting surface is not uniformly mixed, and the seamless splicing between the reflective bowls cannot be achieved.
  • the present invention provides a reflective bowl and an optical system applied to a color floodlight, which not only has high light efficiency, but also uniform color mixing on the light emitting surface, and simultaneously realizes seamless splicing between the reflective bowls.
  • a reflective bowl includes a reflective bowl body, the reflective bowl body has a large end and a small end, a small end of the reflective bowl body is provided with a light source hole, and a large end of the reflective bowl body is opened as a light outlet.
  • the cross-section of the reflective bowl body is square, and the inner surface of the reflective bowl body is a smooth mirror surface.
  • the relationship between the side length of the large end, the side length of the small end, and the height of the reflective bowl body satisfies the relationship.
  • a is half of the side length of the small end of the reflective surface body
  • b is half of the side length of the large end of the reflective bowl body
  • h is the height of the reflective bowl body.
  • the two reflective bowl bodies are connected together to form a spliced body, and the light outlets of the two reflective bowl bodies of the spliced body are on the same horizontal plane, and two ends of the spliced body are provided with the Fastening parts spliced by the splicing body.
  • the fasteners are concave bayonet and convex bayonet.
  • the concave bayonet and convex bayonet are staggered, and the concave bayonet and convex bayonet on one of the splicing bodies correspond to the convex bayonet and concave bayonet on the other splicing body. .
  • An optical system applied to a color floodlight includes a reflective bowl, a color LED light source, an atomizing sheet, and a light-emitting threaded mirror.
  • the color LED light source is disposed in a light source hole of the reflective bowl, and the light-exiting threaded mirror is provided.
  • the atomizing sheet is disposed between the light exit screw mirror and the light exit.
  • the atomizing sheet is an angled diffusion film.
  • the beneficial effect of the present invention is that by setting the reflective bowl body to have a square cross-section, the light outlet is also square, and the reflected light reflected by the light reflected by the reflective bowl body can be superimposed with the direct light from the light source to achieve uniform light surface color mixing.
  • the inner surface of the reflective bowl body is a smooth mirror surface, which can ensure high light efficiency.
  • the invention has the advantages of simple structure, good use effect and easy popularization.
  • FIG. 1 is a schematic structural diagram of a reflective bowl of the present invention.
  • FIG. 2 is a schematic structural diagram of a splicing body of a reflective bowl of the present invention.
  • FIG. 3 is a schematic structural diagram of an optical system applied to a color projector according to the present invention.
  • 1-reflection bowl body 2-light source hole, 3-light outlet, 4-splicing body, 5-concave bayonet, 6-convex bayonet, 7-color LED light source, 8-atomizing sheet, 9-light Threaded mirror.
  • a reflective bowl includes a reflective bowl body 1, the reflective bowl body 1 has a large end and a small end, and a small end of the reflective bowl body 1 is provided with a light source hole 2.
  • a large end of the reflective bowl body 1 is opened as a light outlet 3, a cross section of the reflective bowl body 1 is a square, and an inner surface of the reflective bowl body 1 is a smooth mirror surface.
  • the reflector bowl based on the above technical features, by setting the reflector bowl body 1 to have a square cross section, so that the light outlet 3 is also a square, and the reflected light reflected by the reflector bowl body 1 can be superimposed with the direct light from the light source to achieve light
  • the surface is mixed evenly.
  • the inner surface of the reflective bowl body 1 is a smooth mirror surface, which can ensure high light efficiency.
  • the invention has the advantages of simple structure, good use effect and easy popularization.
  • the relationship between the side length of the large end, the side length of the small end, and the height of the reflective bowl body 1 is satisfied.
  • a is half of the side length of the small end of the reflective surface body
  • b is half of the side length of the large end of the reflective bowl body
  • h is the height of the reflective bowl body.
  • the light emitted from the light source provided in the light source hole 2 is reflected in the reflection bowl
  • the reflection inside the body 1 occurs only once, and the reflected light after the light is reflected by the reflective bowl body 1 can be superimposed with the direct light from the light source to achieve uniform light-color mixing.
  • the cross-section curved surface of the reflective bowl body 1 is a straight line, and the manufacturing process is simple.
  • two reflective bowl bodies 1 are connected together to form a splicing body 4, and the light exit openings 3 of the two reflective bowl bodies 1 of the splicing body 4 are on the same horizontal plane.
  • the two ends of the splicing body 4 are provided with fasteners for splicing the splicing body 1.
  • the fastening members are concave bayonet 5 and convex bayonet 6, the concave bayonet 5 and convex bayonet 6 are staggered, and the concave bayonet 5 and convex bayonet on the splicing body 4
  • the mouth 6 corresponds to the convex bayonet 6 and the female bayonet 5 on the other splicing body 4.
  • an optical system applied to a color floodlight includes a reflector bowl, a color LED light source 7, an atomizing sheet 8, and a light-emitting threaded mirror 9 in this embodiment.
  • the color LED light source 7 is disposed at In the light source hole 2 of the reflective bowl
  • the light-emitting threaded mirror 9 is disposed at the light-emitting port 3 of the reflective bowl
  • the atomizing sheet 8 is disposed between the light-exiting threaded mirror 9 and the light-emitting port 3.
  • the focus of the light-emitting threaded mirror 9 should be exactly on the color LED light source 7 so as to image the color LED light source 7.
  • the atomizing sheet 8 is a diffused film with an angle, and the actual angle can be determined according to specific conditions.
  • the optical system provided in this embodiment is applied to a color flood light.
  • the light from the light emitting surface of the system comes from the direct light of the color LED light source 7 and the superposition of the reflected light of the color LED light source 7 through the reflective bowl.
  • the light emitting surface forms a square light spot with uniform color mixing.
  • each group of color LED light sources 7 can be controlled individually, and a pixel effect can be achieved.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

一种反光碗及应用于彩色投光灯的光学***，反光碗包括反光碗本体（1），反光碗本体（1）具有大端和小端，反光碗本体（1）的小端设有光源孔（2），反光碗本体（1）的大端敞开为出光口（3），反光碗本体（1）的横截面为正方形，反光碗本体（1）的内表面为光滑镜面。通过将反光碗本体（1）设置成正方形截面，使得出光口（3）也为正方形，光线经反光碗本体（1）反射后的反射光线可以与光源的直射光线叠加，实现光面混色均匀。同时，反光碗本体（1）的内表面为光滑镜面，可以保证高光效。光学***结构简单，使用效果好，易于推广使用。

Description

一种反光碗及应用于彩色投光灯的光学*** 技术领域
本发明涉及照明设备技术领域，更具体地说，涉及一种反光碗及应用于彩色投光灯的光学***。
背景技术
反光碗主要用于对照明灯具进行汇聚光源，利用反光碗的反光面改变光源方向，使光线可以在某一特定方向汇聚出光。然后目前的反光碗的出光面基本为圆形，虽然光效较高，但出光面混色不均匀，也不能实现反光碗之间的无缝拼接。
发明内容
为克服现有技术的不足，本发明提供一种反光碗及应用于彩色投光灯的光学***，不仅光效高，而且出光面混色均匀，同时实现反光碗之间的无缝拼接。
本发明解决其技术问题所采用的技术方案是：
一种反光碗，包括反光碗本体，所述反光碗本体具有大端和小端，所述反光碗本体的小端设有光源孔，所述反光碗本体的大端敞开为出光口，所述反光碗本体的横截面为正方形，所述反光碗本体的内表面为光滑镜面。
优选地，所述反光碗本体的大端的边长、小端的边长以及所述反光碗本体的高度之间满足关系
Figure PCTCN2018096235-appb-000001
其中，a为所述反观面本体的小端的边长的一半，b为所述反光碗本体的大端的边长的一半，h为所述反光碗本体的高度。
优选地，两个所述反光碗本体连接在一起构成一个拼接本体，所述拼接本体的两个所述反光碗本体的出光口在同一水平面上，所述拼 接本体的两端设有将所述拼接本体拼接的扣合件。
优选地，所述扣合件为凹卡口及凸卡口。
优选地，所述凹卡口、凸卡***错设置，且一个所述拼接本体上的所述凹卡口、凸卡口对应另一个所述拼接本体上的所述凸卡口、凹卡口。
一种应用于彩色投光灯的光学***，包括反光碗、彩色LED光源、雾化片和出光螺纹镜，所述彩色LED光源设置在所述反光碗的光源孔内，所述出光螺纹镜设置在所述反光碗的出光口，所述雾化片设置在所述出光螺纹镜及所述出光口之间。
优选地，所述雾化片为带有角度的扩散膜。
本发明的有益效果是：通过将反光碗本体设置成正方形截面，使得所述出光口也为正方形，光线经反光碗本体反射后的反射光线可以与光源的直射光线叠加，实现光面混色均匀。同时，反光碗本体的内表面为光滑镜面，可以保证高光效。本发明结构简单，使用效果好，易于推广使用。
附图说明
图1为本发明的反光碗的结构示意图。
图2为本发明的反光碗的拼接本体的结构示意图。
图3为本发明的应用于彩色投光灯的光学***的结构示意图。
其中：1-反光碗本体，2-光源孔，3-出光口，4-拼接本体，5-凹卡口，6-凸卡口，7-彩色LED光源，8-雾化片，9-出光螺纹镜。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅附图1，本实施例的一种反光碗，包括反光碗本体1，所 述反光碗本体1具有大端和小端，所述反光碗本体1的小端设有光源孔2，所述反光碗本体1的大端敞开为出光口3，所述反光碗本体1的横截面为正方形，所述反光碗本体1的内表面为光滑镜面。
基于上述技术特征的反光碗，通过将反光碗本体1设置成正方形截面，使得所述出光口3也为正方形，光线经反光碗本体1反射后的反射光线可以与光源的直射光线叠加，实现光面混色均匀。同时，反光碗本体1的内表面为光滑镜面，可以保证高光效。本发明结构简单，使用效果好，易于推广使用。
本实施例中，所述反光碗本体1的大端的边长、小端的边长以及所述反光碗本体1的高度之间满足关系
Figure PCTCN2018096235-appb-000002
其中，a为所述反观面本体的小端的边长的一半，b为所述反光碗本体的大端的边长的一半，h为所述反光碗本体的高度。当所述反光碗本体1的大端的边长、小端的边长以及所述反光碗本体1的高度之间满足上述关系后，设置在所述光源孔2的光源发出的光线在所述反光碗本体1的内部只发生一次反射，光线经所述反光碗本体1反射后的反射光线可以与光源的直射光线叠加，实现光面混色均匀。且所述反光碗本体1的剖面曲面为直线，制作工艺简单。
请参阅附图2，本实施例中，两个所述反光碗本体1连接在一起构成一个拼接本体4，所述拼接本体4的两个所述反光碗本体1的出光口3在同一水平面上，所述拼接本体4的两端设有将所述拼接本体1拼接的扣合件。当需要将所述反光碗进行拼接时，可以将所述反光碗先制成所述拼接本体4，然后通过所述拼接本体4两端的所述扣合件将所述拼接本体4进行拼接即可，操作简单方便。
其中，所述扣合件为凹卡口5及凸卡口6，所述凹卡口5、凸卡口6交错设置，且一个所述拼接本体4上的所述凹卡口5、凸卡口6对应另 一个所述拼接本体4上的所述凸卡口6、凹卡口5。通过在所述拼接本体4上设置相配合的所述凸卡口6及凹卡口5，使得所述拼接本体4之间实现了无缝拼接，即实现反了光碗之间的无缝拼接。
请参阅附图3，一种应用于彩色投光灯的光学***，包括本实施例中的反光碗、彩色LED光源7、雾化片8和出光螺纹镜9，所述彩色LED光源7设置在所述反光碗的光源孔2内，所述出光螺纹镜9设置在所述反光碗的出光口3，所述雾化片8设置在所述出光螺纹镜9及所述出光口3之间。
其中，在实际制作时，应保证所述出光螺纹镜9的焦点正好在所述彩色LED光源7上，以便对所述彩色LED光源7成像。所述雾化片8为带有角度的扩散膜，实际角度可以根据具体情况决定。
本实施例提供的应用于彩色投光灯的光学***，***出光面的光线分别来自所述彩色LED光源7的直射光线和所述彩色LED光源7经过所述反光碗的反射光线的叠加，在出光面形成混色均匀的方形的光斑。另外，对于多组***的组合，每组彩色LED光源7可以单独控制，可以实现像素点效果。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和替换，这些改进和替换也应视为本发明的保护范围。

Claims (7)

  1. 一种反光碗，其特征在于：包括反光碗本体，所述反光碗本体具有大端和小端，所述反光碗本体的小端设有光源孔，所述反光碗本体的大端敞开为出光口，所述反光碗本体的横截面为正方形，所述反光碗本体的内表面为光滑镜面。
  2. 如权利要求1所述的反光碗，其特征在于：所述反光碗本体的大端的边长、小端的边长以及所述反光碗本体的高度之间满足关系
    Figure PCTCN2018096235-appb-100001
    其中，a为所述反观面本体的小端的边长的一半，b为所述反光碗本体的大端的边长的一半，h为所述反光碗本体的高度。
  3. 如权利要求1所述的反光碗，其特征在于：两个所述反光碗本体连接在一起构成一个拼接本体，所述拼接本体的两个所述反光碗本体的出光口在同一水平面上，所述拼接本体的两端设有将所述拼接本体拼接的扣合件。
  4. 如权利要求3所述的反光碗，其特征在于：所述扣合件为凹卡口及凸卡口。
  5. 如权利要求4所述的反光碗，其特征在于：所述凹卡口、凸卡***错设置，且一个所述拼接本体上的所述凹卡口、凸卡口对应另一个所述拼接本体上的所述凸卡口、凹卡口。
  6. 一种应用于彩色投光灯的光学***，其特征在于：包括如权利要求1或2所述的反光碗、彩色LED光源、雾化片和出光螺纹镜，所述彩色LED光源设置在所述反光碗的光源孔内，所述出光螺纹镜设置在所述反光碗的出光口，所述雾化片设置在所述出光螺纹镜及所述出光口之间。
  7. 如权利要求6所述的应用于彩色投光灯的光学***，其特征在于：所述雾化片为带有角度的扩散膜。
PCT/CN2018/096235 2018-07-04 2018-07-19 一种反光碗及应用于彩色投光灯的光学*** WO2020006783A1 (zh)

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