JP2006012588A - Optical component, and illumination light using the same - Google Patents

Optical component, and illumination light using the same Download PDF

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Publication number
JP2006012588A
JP2006012588A JP2004187762A JP2004187762A JP2006012588A JP 2006012588 A JP2006012588 A JP 2006012588A JP 2004187762 A JP2004187762 A JP 2004187762A JP 2004187762 A JP2004187762 A JP 2004187762A JP 2006012588 A JP2006012588 A JP 2006012588A
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columnar body
solid columnar
optical component
conical
light source
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Tomihisa Tanimura
富久 谷村
Haruyuki Tanaka
春幸 田中
Atsushi Taruya
淳 樽谷
Akihiko Tanimura
明彦 谷村
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TANIMURA GANGU KENKYUSHO KK
Shiizu KK
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TANIMURA GANGU KENKYUSHO KK
Shiizu KK
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Priority to JP2004187762A priority Critical patent/JP2006012588A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an optical component capable of reducing spots of irradiation light to the utmost. <P>SOLUTION: A conical concave part is formed at one end side of a solid columnar body made of transparent material with its apex coincide with center line of the solid columnar body, and a conical convex part is formed at the other end side of a solid columnar body made of transparent material with its apex coincide with center line of the solid columnar body. A light source housing hole is formed at the apex part of the conical convex part, and the light emitted from a light source housed in the light source housing hole is made to reflex at the peripheral face of the conical convex part and the conical concave part and to irradiate in every direction perpendicular to the center line of the solid columnar body. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、均一な光を放射するのに適した光学部品および該光学部品を使用した照明燈に関するものである。   The present invention relates to an optical component suitable for emitting uniform light, and an illumination lamp using the optical component.

透光性部材からなる中実柱状体の一端面に、頂角が９０度であってその頂部を中実柱状体の中心線に一致させて円錐凹部を形成し、該円錐凹部の内面に反射部材層を蒸着手段等により形成して、反射膜と円錐凹部内面との境界面を反射面とし、前記中心線上を通って他端面から入射した光線を、中心線と直交する全方位へ反射するようにした光学部品が知られている。（例えば、特許文献１を参照）。
特開２０００−１８９４６号公報 A conical recess is formed on one end face of a solid columnar body made of a translucent member with an apex angle of 90 degrees, the apex being coincident with the center line of the solid columnar body, and reflected on the inner surface of the conical recess A member layer is formed by vapor deposition means or the like, and a boundary surface between the reflection film and the conical recess inner surface is used as a reflection surface, and rays incident from the other end surface through the center line are reflected in all directions orthogonal to the center line. Such optical components are known. (For example, see Patent Document 1).
JP 2000-18946 A

ところで、上記特許文献１に開示された光学部品を使用し、他端面から光を入射させて中心線と直交する全方位へ光を反射して放射させようとした場合、上記境界面に均一に光が当たらないので、放射光に斑ができるという問題がある。   By the way, when the optical component disclosed in Patent Document 1 is used and light is incident from the other end surface and the light is reflected and radiated in all directions orthogonal to the center line, the boundary surface is uniformly formed. Since there is no light, there is a problem that spots are formed in the emitted light.

本発明は、かかる問題点に鑑みてなされたもので、放射光の斑が極力低減できる光学部品を提供することを目的としている。   The present invention has been made in view of such problems, and an object of the present invention is to provide an optical component that can reduce the spot of radiated light as much as possible.

請求項１の光学部品は、透光性部材からなる中実柱状体の一端側に、頂部を中実柱状体の中心線に一致させて錐状凹部を形成し、一方、前記中実柱状体の他端側に、頂部を前記中実柱状体の中心線に一致させて透光性部材からなる錘状凸部を形成すると共に、前記錘状凸部の頂部に光源収容穴を形成し、前記光源収容穴に設置した光源からの光を前記錘状凸部の周面と前記錘状凹部の周面で反射して、前記中実柱状体の中心線と直交する全方位へ反射するように構成されていることを特徴とする。
前記中実柱状体としては、円柱，角柱が挙げられる。その場合には、錐状凹部および錐体凸部は、中実柱状体の形状に対応するする円錐状、角錐状であることが好ましいが、錐状凹部と錐体凸部とで形状が異なっていてもよい。
また、光学部品の材質は、合成樹脂，ガラス等が挙げられ、透明度の高いものが好ましい。
また、錐状凹部の周面と錐体凸部の周面とは、ほぼ平行に形成されることが好ましく、また、錐状凹部および錐状凸部のそれぞれの頂角は、中実柱状体の周面から放射される放射光の光量が均一になるように決定されることが好ましい。 The optical component according to claim 1 has a conical recess formed on one end side of a solid columnar body made of a translucent member so that a top portion coincides with a center line of the solid columnar body, while the solid columnar body On the other end side, the top portion is made to coincide with the center line of the solid columnar body to form a weight-like convex portion made of a translucent member, and a light source accommodation hole is formed on the top portion of the weight-like convex portion, The light from the light source installed in the light source accommodation hole is reflected by the peripheral surface of the weight-shaped convex portion and the peripheral surface of the weight-shaped concave portion, and is reflected in all directions orthogonal to the center line of the solid columnar body. It is comprised by these.
Examples of the solid columnar body include a cylinder and a prism. In that case, it is preferable that the conical concave portion and the conical convex portion have a conical shape and a pyramid shape corresponding to the shape of the solid columnar body, but the conical concave portion and the conical convex portion have different shapes. It may be.
In addition, examples of the material of the optical component include synthetic resin and glass, and those having high transparency are preferable.
In addition, it is preferable that the peripheral surface of the conical concave portion and the peripheral surface of the conical convex portion are formed substantially in parallel, and the apex angles of the conical concave portion and the conical convex portion are solid columnar bodies. It is preferable that the amount of radiated light emitted from the peripheral surface is determined to be uniform.

請求項２の照明燈は、請求項１に記載の光学部品と、前記光源とを備えることを特徴とする。
この場合の光源としては、ＬＥＤ，蛍光灯，白熱灯等を採用することができ、さらには、グラスファイバーを使用し、該グラスファイバーを介して、上記各光源の光を導いてもよい。ＬＥＤを使用する場合には、その種類を変更することによって色のバリエーションが可能となる。 An illumination lamp according to a second aspect includes the optical component according to the first aspect and the light source.
As the light source in this case, an LED, a fluorescent lamp, an incandescent lamp, or the like can be adopted. Further, a glass fiber may be used, and the light of each light source may be guided through the glass fiber. When an LED is used, color variations are possible by changing its type.

請求項３の照明燈は、請求項１に記載の光学部品と、前記光学部品からの光を前記中実柱状体の中心線に平行な方向へ反射するリフレクタとを備えることを特徴とする。   According to a third aspect of the present invention, there is provided an illumination lamp comprising: the optical component according to the first aspect; and a reflector that reflects light from the optical component in a direction parallel to a center line of the solid columnar body.

請求項１の発明の光学部品によれば、光源収容穴に設置した光源からの光が錘状凸部の周面で反射し、均一化して錘状凹部の周面に導かれるので、中実柱状体の中心線と直交する全方位へ放射される光の斑が少なくなる。   According to the optical component of the first aspect of the present invention, the light from the light source installed in the light source accommodation hole is reflected by the peripheral surface of the weight-shaped convex portion, and is uniformized and guided to the peripheral surface of the weight-shaped concave portion. Spots of light radiated in all directions orthogonal to the center line of the columnar body are reduced.

請求項２の発明の照明燈によれば、中実柱状体の中心線と直交する全方位へ放射される光の斑が少なくなるので、中実柱状体の中心線と直交する全方位を均一に証明することができる。   According to the illumination rod of the invention of claim 2, since the spots of light emitted in all directions orthogonal to the center line of the solid columnar body are reduced, all directions orthogonal to the center line of the solid columnar body are uniform. Can prove to.

請求項３の発明の照明燈によれば、中実柱状体の中心線と直交する全方位へ放射される光の斑が少なくなるので、リフレクタで中実柱状体の中心線と平行な方向に放射される光を均一にすることができる。   According to the illumination rod of the invention of claim 3, since the spots of light radiated in all directions orthogonal to the center line of the solid columnar body are reduced, the reflector is arranged in a direction parallel to the center line of the solid columnar body. The emitted light can be made uniform.

以下に、本発明に係る光学部品および該光学部品を使用した照明燈を図面を参照しながら説明する。
図１は、本発明に係る光学部品の斜視図、図２は図１におけるＡ−Ａ線断面図、図３は図１の光学部品を使用した照明燈を示した斜視図、図４は図３におけるＢ−Ｂ線断面図、図５は図３の照明燈を街灯として使用した状態を示した斜視図、図６は図３の照明燈を非常灯として使用した斜視図、図７は他の照明燈を示した斜視図、図８は図７におけるＣ−Ｃ線断面図、図９は図７の照明燈を野外表示燈として使用した状態を示した斜視図、図１０は本発明に係る光学部品の他の実施形態を示した断面図である。 Hereinafter, an optical component according to the present invention and an illumination lamp using the optical component will be described with reference to the drawings.
1 is a perspective view of an optical component according to the present invention, FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1, FIG. 3 is a perspective view showing an illumination lamp using the optical component of FIG. 3 is a cross-sectional view taken along line BB in FIG. 3, FIG. 5 is a perspective view showing a state in which the lighting lamp in FIG. 3 is used as a street lamp, FIG. 6 is a perspective view in which the lighting lamp in FIG. FIG. 8 is a cross-sectional view taken along the line CC in FIG. 7, FIG. 9 is a perspective view showing a state in which the lighting rod of FIG. 7 is used as an outdoor display rod, and FIG. It is sectional drawing which showed other embodiment of the optical component which concerns.

図１に示した光学部品１は、特に限定はされないが、アクリル等の透明度の高い材料によって形成されている。この光学部品１は、大別すると、中実柱状体２と、該中実柱状体から後方に延設された錐状凸部３とによって形成されている。そして、中実柱状体２の先端面には、該中実柱状体と中心線を一致させて錐状凹部４が形成されている。一方、錐状凸部３の後端には、後方に開口する光源収容穴５が形成されている。なお、実施形態の中実柱状体２は円柱状とされ、錐状凸部３は円錐状凸部とされ、錐状凹部４は円錐状凹部とされている。
そして、この光学部品１の穴５には、光源６として、ＬＥＤが収容され、照明主体７が構成されている。 The optical component 1 shown in FIG. 1 is not particularly limited, but is made of a highly transparent material such as acrylic. The optical component 1 is roughly formed by a solid columnar body 2 and a conical convex portion 3 extending rearward from the solid columnar body. A conical recess 4 is formed on the front end surface of the solid columnar body 2 so that the centerline coincides with the solid columnar body. On the other hand, a light source accommodation hole 5 that opens rearward is formed at the rear end of the conical convex portion 3. In addition, the solid columnar body 2 of the embodiment is a columnar shape, the conical convex portion 3 is a conical convex portion, and the conical concave portion 4 is a conical concave portion.
In the hole 5 of the optical component 1, an LED is housed as a light source 6, and an illumination main body 7 is configured.

この照明主体７では、図２に示すように、光源６の光のうち大半が錐状凸部３の周面３ａで反射し、その反射光が錐状凹部４の周面４ａで反射して、中実柱状体２の周面２ａから外方へ放射される。この場合、光を可及的に横方向に放射させるには、例えば、光を錐状凹部４の周面４ａに可及的に向けるため錐状凸部３の周面３をミラー面として構成することが好ましい。また、光を可及的に横方向に放射させるには、例えば、光を中実柱状体２の周面２ａに向けるため円錐状凹部４の周面４ａ錐形周面４ａをミラー面として構成することが好ましい。この場合のミラー面は、金属膜を蒸着させたり、金属泊を貼り付けたりすることによって容易に得られる。   In this illumination main body 7, as shown in FIG. 2, most of the light from the light source 6 is reflected by the peripheral surface 3 a of the conical convex portion 3, and the reflected light is reflected by the peripheral surface 4 a of the conical concave portion 4. The solid columnar body 2 is radiated outward from the peripheral surface 2a. In this case, in order to emit light in the lateral direction as much as possible, for example, the peripheral surface 3 of the conical convex portion 3 is configured as a mirror surface in order to direct the light to the peripheral surface 4a of the conical concave portion 4 as much as possible. It is preferable to do. In order to emit light in the lateral direction as much as possible, for example, the circumferential surface 4a of the conical recess 4 is configured as a mirror surface to direct the light toward the circumferential surface 2a of the solid columnar body 2. It is preferable to do. The mirror surface in this case can be easily obtained by depositing a metal film or attaching a metal stay.

図３は、このような照明主体７を使用した照明燈１０を示している。符号１１は支柱を示し、この支柱１１は、図４に示したように、円柱状の基台１２の上部周縁に透明円筒体１３を立設し、該円筒体の上端に蓋１４を被せた構造となっている。この支柱１１における透明円筒体１３によって囲まれた領域には中空部１５が形成されている。そして、この中空部１５内には上記照明主体７が収容されている。なお、透明円筒体１３を透明角筒体として構成してもよい。   FIG. 3 shows an illumination rod 10 using such an illumination main body 7. Reference numeral 11 denotes a support column. As shown in FIG. 4, the support column 11 has a transparent cylindrical body 13 erected on the upper peripheral edge of a columnar base 12, and a lid 14 is covered on the upper end of the cylindrical body. It has a structure. A hollow portion 15 is formed in a region surrounded by the transparent cylindrical body 13 in the column 11. The illumination main body 7 is accommodated in the hollow portion 15. The transparent cylinder 13 may be configured as a transparent rectangular cylinder.

この照明燈１０は、図５に示したように、公園等の屋外の地面に設置されたり、図６に示したように、屋内の天井等に設置される。   As shown in FIG. 5, the luminaire 10 is installed on an outdoor ground such as a park, or is installed on an indoor ceiling or the like as shown in FIG.

図７は、他の形態の照明燈２０に使用される照明主体２１を示している。この照明主体２１は、上記した光学部品１の後部を覆うようにして、弧状の凹反射面２２ａを有するリフレクタ２２を配設するとともに、光学部品１の穴５に光源６を収容している。   FIG. 7 shows an illuminating main body 21 used for another type of luminaire 20. The illumination main body 21 is provided with a reflector 22 having an arcuate concave reflection surface 22 a so as to cover the rear part of the optical component 1 described above, and accommodates the light source 6 in the hole 5 of the optical component 1.

この照明主体２１では、図８に示したように、光源６の光が錐状凸部３の周面３ａで反射し、その反射光が錐状凹部４の周面４ａで反射して、中実柱状体２の周面２ａから外方へ放射され、さらに、リフレクタ２２の凹反射面２２ａで反射されて、前方に放射される。   In this illumination main body 21, as shown in FIG. 8, the light from the light source 6 is reflected by the peripheral surface 3 a of the conical convex portion 3, and the reflected light is reflected by the peripheral surface 4 a of the conical concave portion 4. The light is radiated outward from the peripheral surface 2 a of the real columnar body 2, further reflected by the concave reflecting surface 22 a of the reflector 22, and radiated forward.

照明燈２０は、図９に示したように、この照明主体２１の複数個を、支持板２３に設置したもので、工事現場の野外サイン等として使用される。   As shown in FIG. 9, the lighting rod 20 has a plurality of lighting main bodies 21 installed on a support plate 23, and is used as an outdoor sign at a construction site.

なお、上記実施形態の光学部品１では、中実柱状体２の端面と同一の大きさの底面を有する錐状凸部３を連設させているが、図１０に示したように、中実柱状体２の端面よりも小さな底面を有する錐状凸部３を連設させたものであってもよい。   In the optical component 1 of the above embodiment, the conical convex portions 3 having the bottom surface having the same size as the end surface of the solid columnar body 2 are connected, but as shown in FIG. The conical convex part 3 which has a bottom face smaller than the end surface of the columnar body 2 may be provided continuously.

本発明に係る照明燈としては、上記したものの他、キャンプ用ライト，車内燈，手元ライト，農業ハウス照明燈等に適用することができる。   The lighting fence according to the present invention can be applied to camping lights, interior lamps, hand lights, agricultural house lighting fences and the like in addition to the above.

また、上記実施形態では、錐状凹部４を持つ中実柱状体２と錐状凸部３を一体化したが、例えば、錐状凹部４を持つ中実柱状体２と錐状凸部３とを別体とするなど、２つ又はそれ以上の部品を組み合わせて上記１つの光学部品１と同じ形状としてもよい。ただし、それらの部品は同じ材質であり、その境界面が密着していることが好ましい。   Moreover, in the said embodiment, although the solid columnar body 2 and the cone-shaped convex part 3 which have the cone-shaped recessed part 4 were integrated, for example, the solid columnar body 2 and the cone-shaped convex part 3 which have the cone-shaped recessed part 4 and Two or more components may be combined to form the same shape as the one optical component 1. However, it is preferable that these parts are made of the same material, and the boundary surfaces thereof are in close contact.

本発明に係る光学部品の一実施の形態を示した斜視図である。It is the perspective view which showed one Embodiment of the optical component which concerns on this invention. 図１におけるＡ−Ａ線断面図である。It is the sectional view on the AA line in FIG. 本発明に係る光学部品を使用した照明燈を示した斜視図である。It is the perspective view which showed the lighting rod using the optical component which concerns on this invention. 図３におけるＢ−Ｂ線断面図である。FIG. 4 is a sectional view taken along line BB in FIG. 3. 図３に示した照明燈の設置態様を示した斜視図である。It is the perspective view which showed the installation aspect of the lighting rod shown in FIG. 図３に示した照明燈の他の設置態様を示した斜視図である。It is the perspective view which showed the other installation aspect of the lighting fixture shown in FIG. 本発明に係る光学部品を使用した他の照明主体を示した斜視図である。It is the perspective view which showed the other illumination main body using the optical component which concerns on this invention. 図７におけるＣ−Ｃ線断面図である。It is CC sectional view taken on the line in FIG. 他の照明主体を使用した照明燈を示した斜視図である。It is the perspective view which showed the lighting rod using the other illumination main body. 本発明に係る光学部品の他の形態を示した断面図である。It is sectional drawing which showed the other form of the optical component which concerns on this invention.

符号の説明Explanation of symbols

１ 光学部品
２ 中実柱状体
２ａ 周面
３ 錐状凸部
３ａ 周面
４ 錐状凹部
４ａ 周面
５ 穴
６ 光源
７ 照明主体
１０ 照明燈
１１ 支柱
１２ 基台
１３ 透明円筒体
１４ 蓋
１５ 中空部
２０ 照明燈
２１ 照明主体
２２ 反射板
２２ａ 凹反射面
２３ 支持板 DESCRIPTION OF SYMBOLS 1 Optical component 2 Solid columnar body 2a Peripheral surface 3 Conical convex part 3a Peripheral surface 4 Conical concave part 4a Peripheral surface 5 Hole 6 Light source 7 Illumination main body 10 Illumination lamp 11 Base 12 Base 13 Transparent cylindrical body 14 Cover 15 Hollow part 20 Illumination lamp 21 Illumination subject 22 Reflector 22a Concave reflecting surface 23 Support plate

Claims (3)

透光性部材からなる中実柱状体の一端側に、頂部を中実柱状体の中心線に一致させて錐状凹部を形成し、一方、前記中実柱状体の他端側に、頂部を前記中実柱状体の中心線に一致させて透光性部材からなる錘状凸部を形成すると共に、前記錘状凸部の頂部に光源収容穴を形成し、前記光源収容穴に設置した光源からの光を前記錘状凸部の周面と前記錘状凹部の周面で反射して、前記中実柱状体の中心線と直交する全方位へ反射するように構成されていることを特徴とする光学部品。   A conical recess is formed on one end side of the solid columnar body made of a translucent member so that the top coincides with the center line of the solid columnar body, while the top is formed on the other end side of the solid columnar body. A light source is formed in the light source accommodation hole by forming a weight-like convex portion made of a translucent member so as to coincide with the center line of the solid columnar body, and forming a light source accommodation hole at the top of the weight-like convex portion. Is reflected on the peripheral surface of the conical convex portion and the peripheral surface of the conical concave portion, and is reflected in all directions orthogonal to the center line of the solid columnar body. Optical parts. 請求項１に記載の光学部品と、前記光源とを備えることを特徴とする照明燈。   An illumination lamp comprising the optical component according to claim 1 and the light source. 請求項１に記載の光学部品と、前記光学部品からの光を前記中実柱状体の中心線に平行な方向へ反射するリフレクタとを備えることを特徴とする照明燈。   An illumination lamp comprising: the optical component according to claim 1; and a reflector that reflects light from the optical component in a direction parallel to a center line of the solid columnar body.
JP2004187762A 2004-06-25 2004-06-25 Optical component, and illumination light using the same Pending JP2006012588A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009093661A (en) * 2007-10-11 2009-04-30 Siemens Ag Operating device for operating machine tool, production machine and/or robot
WO2011143894A1 (en) * 2010-05-18 2011-11-24 Shenzhen Ever Polymer High-Performance Material Tech Co., Ltd. Lamp shield
JP2013162010A (en) * 2012-02-07 2013-08-19 Dainippon Screen Mfg Co Ltd Heat treatment equipment
US10233828B2 (en) 2013-12-19 2019-03-19 Ihi Corporation Variable nozzle unit and variable geometry system turbocharger
JP2019192438A (en) * 2018-04-23 2019-10-31 コイズミ照明株式会社 Lighting device
US12007097B2 (en) 2022-10-11 2024-06-11 Japan Display Inc. Lighting device

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH0525751U (en) * 1991-09-12 1993-04-02 昌弘 奥村 Light source cap for light emitting diode
JPH0725499U (en) * 1993-10-19 1995-05-12 株式会社小糸製作所 Indicator light
JP2001185762A (en) * 1999-12-24 2001-07-06 Rohm Co Ltd Back mount chip type light emitting device
JP2003158302A (en) * 2001-11-21 2003-05-30 Toyoda Gosei Co Ltd Light emitting diode

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0525751U (en) * 1991-09-12 1993-04-02 昌弘 奥村 Light source cap for light emitting diode
JPH0725499U (en) * 1993-10-19 1995-05-12 株式会社小糸製作所 Indicator light
JP2001185762A (en) * 1999-12-24 2001-07-06 Rohm Co Ltd Back mount chip type light emitting device
JP2003158302A (en) * 2001-11-21 2003-05-30 Toyoda Gosei Co Ltd Light emitting diode

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009093661A (en) * 2007-10-11 2009-04-30 Siemens Ag Operating device for operating machine tool, production machine and/or robot
WO2011143894A1 (en) * 2010-05-18 2011-11-24 Shenzhen Ever Polymer High-Performance Material Tech Co., Ltd. Lamp shield
JP2013162010A (en) * 2012-02-07 2013-08-19 Dainippon Screen Mfg Co Ltd Heat treatment equipment
US10233828B2 (en) 2013-12-19 2019-03-19 Ihi Corporation Variable nozzle unit and variable geometry system turbocharger
JP2019192438A (en) * 2018-04-23 2019-10-31 コイズミ照明株式会社 Lighting device
JP7061507B2 (en) 2018-04-23 2022-04-28 コイズミ照明株式会社 lighting equipment
US12007097B2 (en) 2022-10-11 2024-06-11 Japan Display Inc. Lighting device

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