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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Prior art keywords
columnar body
solid columnar
optical component
conical
light source
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Inventor
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
Publication of JP2006012588A publication 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

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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

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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

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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