WO2011088602A1 - 全方位彩虹投射仪 - Google Patents

全方位彩虹投射仪 Download PDF

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Publication number
WO2011088602A1
WO2011088602A1 PCT/CN2010/001377 CN2010001377W WO2011088602A1 WO 2011088602 A1 WO2011088602 A1 WO 2011088602A1 CN 2010001377 W CN2010001377 W CN 2010001377W WO 2011088602 A1 WO2011088602 A1 WO 2011088602A1
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WO
WIPO (PCT)
Prior art keywords
triangular prism
light
rainbow
curved triangular
section
Prior art date
Application number
PCT/CN2010/001377
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English (en)
French (fr)
Inventor
陈国亮
Original Assignee
Chen Guoliang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chen Guoliang filed Critical Chen Guoliang
Publication of WO2011088602A1 publication Critical patent/WO2011088602A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • 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
    • F21V5/02—Refractors for light sources of prismatic shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays

Definitions

  • the rainbow projector which is currently on the Internet, has no color in its imaging tape, and its part is not affected by the scattered white light. Summary of the invention:
  • This design achieves perfect dispersion of light through a combination of curved triangular prism lenses with both aggregation and refraction functions.
  • the projector will project all the space around it and fill it with nearly a hundred rainbows, and the room will become a colorful dream. If you rotate it electronically, all the rainbows will rotate together, and the dance hall will become super dynamic and romantic.
  • the projector is composed of a transparent spherical shell-shaped lampshade and a light source lamp located in the center of the ball (the lamp holder can be made as one).
  • the transparent spherical shell can be seen as a whole made up of a plurality of curved triangular prism lenses (see Figure 1).
  • the incandescent lamp and each of the curved triangular prism lenses form a separate illuminating projection unit, and the light projects a rainbow through each of the curved triangular prism lenses.
  • Nearly a hundred curved triangular prism lenses are centered together to form a spherical shell-shaped lampshade.
  • Figure 1 is a cross-sectional structural view of a transparent spherical shell-shaped lampshade.
  • Figure 2 is a cross-sectional optical path of the sun through the prism.
  • Figure 3 is a cross-sectional optical path diagram of a point source light transmitted through a triangular prism lens.
  • Figure 4 is a schematic diagram of the three-dimensional optical path of the sun through the prism.
  • Figure 5 is a schematic diagram of a three-dimensional optical path of a point source light passing through an arcuate triangular prism lens.
  • Fig. 6 is a diagram showing the value of the convex arc in the radial section of the curved triangular prism lens.
  • Fig. 7 is a diagram showing the value of the internal angle in the radial section of the curved triangular prism lens.
  • Figure 8 is a cross-sectional view of another combination of transparent spherical shell-shaped lampshades.
  • Figure 3 is the radial cross-section optical path of the point source light passing through the curved triangular prism lens.
  • the straight prism can effectively perform the dispersion of light, and the divergent light corresponding to the point source should be an arcuate triangular prism lens.
  • the curved triangular prism lens not only refracts the chromatic dispersion of the point source light from the corresponding center but also polymerizes into parallel rays in the radial section or polymerizes to a point at the image.
  • the lampshade (see Figure 1) is made of glass and the diameter of the lampshade is 30 cm.
  • the determination of the lampshade is determined by the curved triangular prism lens.
  • the convex arc in the section A B arc is used to polymerize the divergent rays of the point source into parallel lines.
  • the refractive index of the glass is ⁇ 52
  • the focal length f of the convex lens is the radius R of the lampshade.
  • the angle of refraction increases as the angle of incidence increases, and the angle of refraction of the different shades of light increases sharply nonlinearly. For example, when the light is refracted from the glass to the air, when the incident angle is 15 degrees, the angle of refraction between the red and the violet light is 0.4 degrees. When the incident angle is 40 degrees, the refraction angle of red and violet light differs by 4. 9 degrees. However, as the angle of refraction increases, the light transmittance decreases.
  • each rainbow should be divided into a vertical space of 4. 1 degree. We leave a little separation between the rainbows. Each rainbow, that is, each curved triangular prism actually takes up 5 degrees.

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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)

Description

全方位彩虹投射仪 所属技术领域：
我曾经梦想有一盏灯， 它会使房间布满七彩光芒， 以温暖和慰藉每一颗孤寂 的心。 背景技术：
现有彩虹灯具大多只是灯具或灯罩本身呈现彩虹。 而向周围的所有空间全 方位投射彩虹更能给人以身临其境之感。 但现有彩虹投射灯仅能投射一条或几 条彩虹， 而且其彩虹成像因经不起严格的光路分析而模糊混浊。 我们知道， 对 于彩虹投射灯， 其灯光在折射色散之前必须先被聚合为平行光线， 否则不同色 光因折射而产生的角度差会被入射光线的角度差所抵消。 现有彩虹投射灯通过 安装凸透镜或凹面镜来实现对灯光的聚合， 但其本身存在许多不可解决的问题 与缺陷。 例如聚光镜的圆形光束投射面与三棱镜的长条形入射面不相吻合的问 题； 例如灯光经过一个聚光镜后用多个三棱镜同时折射色散后不同色光带重新 混合的问题。 现正网上热卖的彩虹投影仪， 其成像带分辩不出有七种颜色， 并 且其部分未被色散的白色灯光影响了其效果。 发明内容：
本设计通过同时具备聚合与折射功能的弧形三棱凸透镜及其组合来实现对 灯光的完美色散。
此投射仪会向周围的所有空间全方位投射并布满近百道彩虹， 居室将变成 为一个七彩梦境。 如果加以电动旋转， 则所有的彩虹将一齐旋转， 歌舞厅将变 得超具动感与浪漫。
您眼中 0 发光源颜色将随着您所处位置的不同而变化。 其实本投射仪是由透明球壳形灯罩和居于球心的一只光源灯构成（灯座随 便做一个就行）。 透明球壳形灯罩可以看成是由许多个弧形三棱凸透镜合围而 成的一个整体（见附图 1 )。
白炽灯与每个弧形三棱凸透镜均构成一个独立的发光投射单元， 灯光透过 每一个弧形三棱凸透镜均投射出一道彩虹。 近百个弧形三棱凸透镜向心合围而 成球壳形灯罩。
附图 2至附图 5是弧形三棱凸透镜设计原理、 也就是由直三棱镜至弧形三 棱凸透镜的演变过程。 附图说明：
图 1是透明球壳形灯罩剖面构造图。
图 2是阳光透过三棱镜之截面光路图。
图 3是点光源光线透过三棱凸透镜之截面光路图。
图 4是阳光透过三棱镜立体光路简图。
图 5是点光源光线透过弧形三棱凸透镜立体光路简图。
图 6是弧形三棱凸透镜径向截面中外凸弧取值依据图。
图 7是弧形三棱凸透镜径向截面中内角取值依据图。
图 8是另外一种组合形式的透明球壳形灯罩剖面构造图。
其中图 3也就是点光源光线透过弧形三棱凸透镜径向截面光路图。
由图 2至图 5可以看出， 对于平行光线， 直三棱镜可以有效进行光的色散， 而与点光源之发散光线相对应的就应该是弧形三棱凸透镜。 弧形三棱凸透镜不 仅对来自对应圆心的点光源光线起折射色散作用， 而且在径向截面上起聚合为 平行光线或在成像处聚合为一点的作用。
此彩虹投射仪全方位投射， 其结构与功能唯美统一， 其成像经得起光路分 析， 也就是说其成像彩虹十分清晰。 具体实施方式 1 :
在这里灯罩（见附图 1 )材质选取玻璃， 灯罩直径选取 30厘米。
由于球壳形灯罩由许多弧形 （月牙形）三棱凸透镜合围而成， 那么灯罩的 确定也就是弧形三棱凸透镜的确定。
1.弧形三棱凸透锈径向截面形状及大小的确定： ( 1 ) 其截面中外凸弧半径的计算：
见附图 6，截面中外凸弧 A B弧的作用是将点光源之发散光线聚合为平行光 线。
在这里， 玻璃折射率为丄52， 凸透镜焦距 f 就是灯罩半径 R。
则 A B弧半径 r的计算结果为： r=0.67R=9.98厘米。
( 2 ) 其截面中角度的选取：
我们知道入射角增大， 则折射角增大， 同时不同色光的折射差角呈非线性 急剧增大。 例如在光线由玻璃中向空气中折射时， 当入射角为 15度时， 红光 与紫光的折射角相差为 0. 4度。当入射角为 40度时，红光与紫光的折射角相差 达 4. 9度。 但随着折射角的增大， 其光线透射率会减小。
选取截面形状见附图 7， 截面中 为直角， 就等于入射角， 这里选取 ZA为 39.5度（此时红光与紫光的折射差角为 4.1度）。 选取此截面， 其对不 同色光的分光效果十分显著。
( 3 ) 其截面大小的确定：
由于红光与紫光的折射差角为 4. 1度， 那么每条彩虹应当分割 4. 1度的竖 向空间。我们让各道彩虹之间留一点间隔距离，每道彩虹即每个弧形三棱凸透 镜实际占取 5度的空间。
那么球壳形透明灯罩应该为 360 ÷ 5=72个弧形三棱凸透镜合围而成。
赤道处弧形三棱透镜截面 （附图 7 ) 中线段 AB=2 R ÷ 72=1. 31厘米。 具体实施方式 2:
当宽敞的大厅需安装多盏彩虹投射灯具时， 为了避免各灯具所投射的彩虹相 互交叉混扰， 其弧形三棱凸透镜将以另一种方式组合（见附图 8)。 这种灯罩将 大部份灯光投向顶棚， 另一部份投向地面， 以避免将彩虹投向其它灯具的投射 范围。

Claims

1. 一种彩虹投射灯具， 此投射仪由透明球壳形灯罩和位于球心的一只光源 灯泡构成， 其特征是： 透明球壳形灯罩是由许多个弧形三棱凸透镜合围 而成的一个整体。
2. 根具权利要求 1所述之灯具， 其特征是： 弧形三棱凸透镜为弧形三棱镜， 并且其径向截面三角形的一条边外凸， 弧形三棱凸透镜对来自对应圆心 的点光源光线不但起折射作用，而且在其径向截面上对光线起聚合为平 行光线或在成像处聚合为一点的作用 （见图 5 )。
PCT/CN2010/001377 2010-01-22 2010-09-08 全方位彩虹投射仪 WO2011088602A1 (zh)

Applications Claiming Priority (2)

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CN201010106025.1 2010-01-22
CN2010101060251A CN101818863B (zh) 2010-01-13 2010-01-22 满屋彩虹投射灯具

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101818863B (zh) * 2010-01-13 2011-12-07 陈国亮 满屋彩虹投射灯具
TW201233940A (en) * 2010-11-30 2012-08-16 Wintek Corp Light source for crystal lamp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87204397U (zh) * 1987-07-04 1988-05-04 赵智棕 反射式球型彩色灯
CN2073075U (zh) * 1990-04-28 1991-03-13 刘勇勤 彩虹灯罩
CN2085023U (zh) * 1990-11-04 1991-09-18 蒋树毅 七色彩虹灯
CN2230608Y (zh) * 1995-06-19 1996-07-10 毕克学 彩虹镜
CN2248823Y (zh) * 1994-09-17 1997-03-05 秦胜华 七彩虹灯罩
CN101818863A (zh) * 2010-01-13 2010-09-01 陈国亮 满屋彩虹投射仪

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87204397U (zh) * 1987-07-04 1988-05-04 赵智棕 反射式球型彩色灯
CN2073075U (zh) * 1990-04-28 1991-03-13 刘勇勤 彩虹灯罩
CN2085023U (zh) * 1990-11-04 1991-09-18 蒋树毅 七色彩虹灯
CN2248823Y (zh) * 1994-09-17 1997-03-05 秦胜华 七彩虹灯罩
CN2230608Y (zh) * 1995-06-19 1996-07-10 毕克学 彩虹镜
CN101818863A (zh) * 2010-01-13 2010-09-01 陈国亮 满屋彩虹投射仪

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CN101818863B (zh) 2011-12-07

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