CN87104204A - 彩虹产生装置 - Google Patents

彩虹产生装置 Download PDF

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CN87104204A
CN87104204A CN198787104204A CN87104204A CN87104204A CN 87104204 A CN87104204 A CN 87104204A CN 198787104204 A CN198787104204 A CN 198787104204A CN 87104204 A CN87104204 A CN 87104204A CN 87104204 A CN87104204 A CN 87104204A
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light
prism
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rainbow
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森敬
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • 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
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • 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
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/008—Combination of two or more successive refractors along an optical axis
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/12—Beam splitting or combining systems operating by refraction only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/806—Ornamental or decorative
    • Y10S362/811—Psychedelic lighting

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Special Spraying Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

一彩虹产生装置包括由被透射的可见光成分组成的光线穿过的光导体。放置在光导体的各发光端部对面的一透镜用于把从光导体发射的光线转换成平行光。以及一被放置的三棱镜用来接收来自透镜的平行光并用来产生平行光线的光谱分离。

Description

本发明涉及一彩虹产生装置，具体地说是涉及到产生一人造彩虹的装置，该装置用于将饰一视觉所需的位置，诸如人造喷泉或建筑物的内外有树的地方或其他一些地区。
就近代建筑物的设计而论，通过安装一人造喷泉和周围种一些树，在建筑物内造成一宁静的地方。特别是在酒店或类似地方的大厅里或是花园里设计这样一个区域，就可以改善周围的气氛。然而，所有这些宁静的环境相互之间都趋于近似，没有新颖性来吸引人们的注意力。
本发明的主要目的是要产生一人造彩虹，以增加酒店或建筑物内的大厅气氛，从而给居民和游客带来更加愉快和宁静的地方。
本发明的另一个目的是产生一近似于一实际彩虹的弓形的彩虹。
本发明的上述特征和其他一些优点将从下面的详细说明和附图中明显看出。
图1和图2分别为说明本发明彩虹发生装置的实施例的透视图，
图3和图4分别为说明本发明弓形彩虹产生装置的实施例的结构图。
图1是根据本发明说明一彩虹产生装置的实施例透视图。在图1中，数字1表示由被透射的可见光线成分组成的光线穿过的一光导体，2为放置在光导体1的光发射端对面的一透镜，该透镜用于把所发射的光线转换成平行光线，3为一细长的三棱镜，用于接收来自透镜2的平行光线，而且还用于产生该平行光线的光谱分离。
在图1所示的实施例中，许多光导体1被排列成一行，一细长的透镜2被放置在光导体1的对面，一细长的三棱镜3被安置在细长条透镜2的对面。
当然三棱镜3是一个单独的三棱镜。许多一样的三棱镜3重叠以形成一个单元。借助于以上所述安置的三棱镜3利用光谱方法将来自透镜2的平行光线分成若干光线成分（一光谱）。上面的光线是由长波长的红色（R）成分光线组成，而下面的光线是由短波长的兰色（B）成分光线组成。中间的各光线是相对各自波长折射所组成。用这样一种方法就可以形成一彩虹。红成分光线占上部区域，而兰成分光线占下部区域。该彩虹看起来象许多彼此根据离三棱镜3的距离而叠摞的彩虹。因此，该彩虹看起来更有趣和更使人愉快。
如上所述形成的彩虹被射到视觉所需要的物体上，如一些树上，人造喷泉或类似物体上，配合它们使环境有一愉快的景象。
图2是显示本发明另一实施例的透视结构图。在图2中，与图1一样的参考号属于完成如图1所示同样的作用。另外，在这个实施例中，单个的光导缆1被用来作为光源，对于光缆1来说，使用一圆形透镜2和几乎为圆形的三棱镜3。提到三棱镜3，可以如图2所示用多级形式的彼此叠摞，并全部构成圆形的三棱镜3的组合，或者可以采用一单个圆的三棱镜。因此，根据本发明的实施例，由一光导缆1，透镜2，三棱镜3以及其它等元件组成的装置是非常容易构造的。此外，所产生的彩虹几乎是圆形，使它不同于往常并且看起来很有趣。
根据本发明从上述说明中可看出，通过用一简单的结构可以生产出人造的彩虹。另外，结合一些树，人造喷泉或其他有吸引力的东西可以产生有趣的场面，这样的场面往往被设计在开阔的地区。
然而，由于上述彩虹产生装置通过用一透镜把来自光导体发射的光线转换成平行光线，产生的彩虹对应于来自各个光导体发射的光线，因此不可能产生一个近似于实际彩虹的弓形的彩虹。
图3是根据本发明说明一弓形彩虹产生装置实施例的结构图。在图3中，1是一光导体，3为一三棱镜，4为一狭缝板。如图3所示，三棱镜3如此构成，以致它有一个几乎等边三角形的剖面，来自光导体1发射的光线朝着三棱镜3的顶角部分A照射，透过形成在狭缝板4上的狭缝4a，另外，光线的中心部分B透过狭缝板4的狭缝4a，照射到三棱镜3的一侧表面C上。
众所周知，来自光导1发射的光线照射角α通常在40°到50°的范围。然而，在近似4°到5°的照射角β内，在中心部分的光线被用来作为有效光线。为了利用中心部分的光线，用这样一种方法，即通过切断光线周围（外部）部分使光线的照射角变窄。如果很强的光线被发射穿过如上所述在窄照射角内的狭缝，那么可以产生出一明亮的彩虹。此外，由于从光导体发射的光线没有通过用透镜之类的组件把光线转换成平行光，所以根据光导体1和狭缝的形状可以产生一弓形的彩虹。
此外，彩虹发射的位置根据一角度θ（10°到20°）来变化。为了得到角度θ1，例如，光导体1相对于标准线H倾斜θ2和三棱镜3的表面C倾斜θ3，角度θ1可按下式得到。
θ1＝θ3-θ2
实际上，θ3等于78°，θ2等于65°。所以θ1求出为13°。
图4为本发明另一实施例的结构图，在该实施例中，形成的三棱镜3是细长的，另外许多光导体1沿着三棱镜3的长度被安置一排。用这种方法，彩虹产生的亮度就可以增加。
从上述说明中可看出，根据本发明用一简单结构就可以人造地和有效地产生出一近似于实际彩虹的一弓形彩虹。

Claims (6)

1、一彩虹产生装置其特征在于所述装置包括由被透射的可见光成分组成的光线穿过的光导体，放置在所说光导体的各发光端部对面的一透镜，用于把从光导体发射出的光线转换成平行光，一组三棱镜用于接收来自所述透镜的平行光并且用来产生所述平行光线的光谱分离。
2、根据权利要求1，一彩虹产生装置其特征在于所述的装置包括一组光导体，光导体的发光端部被安置成一排，一单个线性透镜被放在这些光导体发光端部的对面。
3、根据权利要求1或2，一彩虹产生装置其特征在于有一组多级三棱镜。
4、一彩虹产生装置其特征在于所述装置包括由被透射的可见光线组成的光线穿过的光导体，具有几乎为等边三角形剖面的三棱镜，该棱镜被放置在所说光导体发光端部的对面，在所说光导体和所说三棱镜之间放置一狭缝板，另外，所述装置如此构成以致所述三棱镜的其中一个顶角部分是在从所述光导体所发射的光线的对面，所述的光线在通过所述狭缝板的狭缝之后，照射到所述三棱镜的顶角部分的其中一个表面上。
5、根据权利要求4，一个彩虹产生装置其特征在于被照射到三棱镜表面上的光线，相对于所述光线的照射方向倾斜10°到20°。
6、根据权利要求4或5的一彩虹产生装置其特征在于所述的三棱镜被制成细长形，一组所说的光导体沿着所述三棱镜的长度安放。
CN198787104204A 1986-06-10 1987-06-10 彩虹产生装置 Pending CN87104204A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP134305/86 1986-06-10
JP13430586A JPS62289808A (ja) 1986-06-10 1986-06-10 虹発生装置
JP90089/87 1987-04-13
JP9008987A JPS63254412A (ja) 1987-04-13 1987-04-13 虹発生装置

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CN87104204A true CN87104204A (zh) 1988-01-20

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US (1) US4849866A (zh)
KR (1) KR880000802A (zh)
CN (1) CN87104204A (zh)
AU (1) AU7403387A (zh)
CH (1) CH674093A5 (zh)
DE (1) DE3719344A1 (zh)
DK (1) DK297187A (zh)
FI (1) FI872508A (zh)
FR (1) FR2599864A1 (zh)
GB (1) GB2191415A (zh)
IT (1) IT1205131B (zh)
NL (1) NL8701341A (zh)
SE (2) SE8702376L (zh)

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CN103234153A (zh) * 2013-04-28 2013-08-07 京东方科技集团股份有限公司 一种直下式背光源及液晶显示装置
CN103969719A (zh) * 2014-04-11 2014-08-06 京东方科技集团股份有限公司 一种三棱镜板和显示装置
CN105741659A (zh) * 2016-04-22 2016-07-06 大连理工大学 全圆多级彩虹装置

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CN103234153A (zh) * 2013-04-28 2013-08-07 京东方科技集团股份有限公司 一种直下式背光源及液晶显示装置
WO2014176815A1 (zh) * 2013-04-28 2014-11-06 京东方科技集团股份有限公司 直下式背光源及液晶显示装置
CN103234153B (zh) * 2013-04-28 2015-11-18 京东方科技集团股份有限公司 一种直下式背光源及液晶显示装置
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CN105741659A (zh) * 2016-04-22 2016-07-06 大连理工大学 全圆多级彩虹装置
CN105741659B (zh) * 2016-04-22 2019-02-01 大连理工大学 全圆多级彩虹装置

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SE8702376L (sv) 1987-12-11
FI872508A (fi) 1987-12-11
GB8713560D0 (en) 1987-07-15
IT1205131B (it) 1989-03-15
FI872508A0 (fi) 1987-06-04
GB2191415A (en) 1987-12-16
DE3719344A1 (de) 1987-12-17
NL8701341A (nl) 1988-01-04
CH674093A5 (zh) 1990-04-30
KR880000802A (ko) 1988-03-29
IT8720832A0 (it) 1987-06-09
DK297187A (da) 1987-12-11
SE9000796D0 (sv) 1990-03-07
FR2599864A1 (fr) 1987-12-11
SE8702376D0 (sv) 1987-06-09
US4849866A (en) 1989-07-18
DK297187D0 (da) 1987-06-10
AU7403387A (en) 1987-12-17

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