JPH07168080A - Lightening device - Google Patents
Lightening deviceInfo
- Publication number
- JPH07168080A JPH07168080A JP31614193A JP31614193A JPH07168080A JP H07168080 A JPH07168080 A JP H07168080A JP 31614193 A JP31614193 A JP 31614193A JP 31614193 A JP31614193 A JP 31614193A JP H07168080 A JPH07168080 A JP H07168080A
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflected
- concave reflector
- reflector
- sunlight
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、太陽光中の可視光線を
採り入れて照明等に利用することができる採光装置に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a daylighting device capable of taking in visible light in sunlight and using it for lighting or the like.
【０００２】[0002]
【従来の技術】従来、太陽光から可視光線等を取り出し
て、明かり採りや日光浴等に用いられる採光装置は、図
３に示すようなものが知られている。2. Description of the Related Art Conventionally, as shown in FIG. 3, there is known a daylighting device which extracts visible light from sunlight and is used for lighting or sunbathing.
【０００３】この装置40は、太陽位置に合わせて凹レン
ズによる反射鏡41を据え付け、この凹レンズ反射鏡41に
照射された太陽光42をその前部に設けた反射鏡43へ集光
すると共に、この反射鏡43により再び所定に焦点を結ぶ
ように反射させ、その焦点部に光ファイバー等の受光部
材44を対応させて採光に利用していたものである。In this device 40, a reflecting mirror 41 having a concave lens is installed in accordance with the position of the sun, and sunlight 42 irradiated on the concave lens reflecting mirror 41 is condensed on a reflecting mirror 43 provided at the front part thereof. The light is reflected again by the reflecting mirror 43 so as to be focused in a predetermined manner, and the light receiving member 44 such as an optical fiber is made to correspond to the focal portion and used for light collection.
【０００４】しかしながら、凹レンズによる反射鏡41を
用いた前記装置40は、大量の太陽光42を効率よく採り入
れるためには、その凹レンズ径を極めて大きく形成して
受光面を広くしなければならないので、この凹レンズ反
射鏡41の製作コストが高騰して装置全体が高価となるば
かりか、大型化する凹レンズは、大重量となって装置の
運搬や据え付けが困難となって、採光のために十分に利
用できない問題点を有するものであった。However, in the device 40 using the reflecting mirror 41 with a concave lens, in order to efficiently take in a large amount of sunlight 42, the diameter of the concave lens must be made extremely large to widen the light receiving surface. Not only the manufacturing cost of this concave lens reflecting mirror 41 rises and the entire apparatus becomes expensive, but also the large concave lens makes the device heavy and difficult to carry and install, so it can be used sufficiently for lighting. It has a problem that cannot be done.
【０００５】[0005]
【発明が解決しようとする課題】本発明は前記した問題
点を解決するためになされたもので、複数の同心的な輪
帯状反射部材からなる凹面反射体へ太陽光を照射して、
所定位置に焦点を有するように反射させ、該反射光をそ
の焦点部の前側に設けた二次反射体により、所定位置に
焦点を有するように反射させ、その焦点部において可視
光線を受光体により採光させることにより、大量の太陽
光を受光体へ採り入れることができる装置を、軽量でか
つ安価に製作することができる採光装置を提供すること
を目的としている。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and irradiates a concave reflector composed of a plurality of concentric ring-shaped reflecting members with sunlight,
It is reflected so that it has a focal point at a predetermined position, and the reflected light is reflected so that it has a focal point at a predetermined position by a secondary reflector provided on the front side of the focal point, and visible light is received by a light receiver at the focal point. An object of the present invention is to provide a daylighting device that can be manufactured at a low weight and at a low cost by allowing a large amount of sunlight to be taken into a photoreceptor by lighting.
【０００６】[0006]
【課題を解決するための手段】前記した目的を達成する
ための本発明の手段は、複数の同心的な輪帯状反射部材
からなる凹面反射体と、この凹面反射体へ照射された太
陽光を所定位置に焦点を有するように反射させて、該反
射光を受光する前記焦点部の前側に設けた二次反射体
と、該二次反射体へ照射された反射太陽光を所定位置に
焦点を有するように再び反射させて、その焦点部におい
て可視光線を採光する受光体と、を備えさせた採光装置
の構成にある。[Means for Solving the Problems] The means of the present invention for achieving the above-mentioned object is to provide a concave reflector composed of a plurality of concentric ring-shaped reflecting members, and a sun irradiating the concave reflector. A secondary reflector is provided so as to have a focal point at a predetermined position, and a secondary reflector provided in front of the focal point portion that receives the reflected light, and the reflected sunlight applied to the secondary reflector are focused at a predetermined position. The light collecting device is provided with a light receiver that reflects the light again and has visible light at its focal point.
【０００７】[0007]
【作用】前記のように構成される本発明は以下に述べる
作用を奏する。凹面反射体に照射された太陽の入射光
は、該凹面反射体におけるそれぞれの輪帯状反射部材に
当たって反射し、その反射光は、この凹面反射体の他側
において所定位置に焦点を結ぶように集光される。The present invention configured as described above has the following operations. The incident light of the sun applied to the concave reflector strikes each ring-shaped reflecting member of the concave reflector and is reflected, and the reflected light is focused to a predetermined position on the other side of the concave reflector. Be illuminated.
【０００８】そして、この反射光は、焦点部の前側に設
けた二次反射体に照射され、再び反射するもので、この
反射光は所定位置に焦点を結ぶように集光されて、この
焦点部に設けた受光体に照射される。Then, the reflected light is applied to a secondary reflector provided on the front side of the focal point and is reflected again. The reflected light is condensed so as to focus at a predetermined position, and the focused light is focused. It is irradiated to the light receiving body provided in the section.
【０００９】この光は、受光体を通って希望する光源と
なり種々利用される。This light passes through the light receiving body and becomes a desired light source, which is used in various ways.
【００１０】[0010]
【実施例】次に本発明に関する採光装置の実施の一例を
図面に基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a daylighting device according to the present invention will be described below with reference to the drawings.
【００１１】図１においてＡは採光装置で、凹面反射体
１と、二次反射体２と、受光体３とにより基本的に構成
される。In FIG. 1, A is a daylighting device, which basically comprises a concave reflector 1, a secondary reflector 2 and a light receiver 3.
【００１２】そして、前記した凹面反射体１は、図２に
示すように、複数の同心的な輪帯状反射部材４，４，４
…群からなるもので、回折格子状のフレネル凹面鏡が採
用されるものであって、各輪帯状反射部材４，４，４…
の対応面を、本来成形される凹状反射面ｂ（図２におい
て仮想線で示す円弧）に合致するようにそれぞれ成形し
てある。The above-mentioned concave reflector 1 has a plurality of concentric ring-shaped reflecting members 4, 4, 4 as shown in FIG.
.., a diffraction grating-shaped Fresnel concave mirror is adopted, and each ring-shaped reflection member 4, 4, 4 ...
The corresponding surfaces of (1) and (2) are respectively formed so as to match the originally formed concave reflecting surface b (an arc indicated by a virtual line in FIG. 2).
【００１３】この凹面反射体１は、基材としてアクリル
等の可透性合成樹脂等により平板状に成形してあって、
その底面に前記した輪帯状反射部材４，４，４…を環状
に刻設し、この面へ誘電体膜やアルミニューム等の金属
膜５を慣用法による蒸着によって施すことにより、太陽
光の高い反射性を得ると共に、更に、この金属膜５面を
ガラスや合成樹脂等の裏材６によって補強を施してあ
る。The concave reflector 1 is formed into a flat plate shape using a transparent synthetic resin such as acrylic as a base material.
The ring-shaped reflection members 4, 4, 4 ... Are engraved on the bottom surface thereof in a ring shape, and a metal film 5 such as a dielectric film or aluminum is applied to this surface by vapor deposition by a conventional method to increase the sunlight. In addition to having reflectivity, the surface of the metal film 5 is further reinforced by a backing material 6 such as glass or synthetic resin.
【００１４】そして、この凹面反射体１は、その反射面
を外方、すなわち、太陽光ｃの照射方向へ向けて保持体
７へ取り付けられているもので、該保持体７は、回動体
８へ支軸９により上下方向に対して揺動自在に取り付け
られ、支軸９をウォーム・ウォームホイール等の減速機
10a を介して駆動されるモータ10b からなる揺動手段11
によって、保持体７を揺動操作する。The concave reflector 1 is attached to the holding body 7 with its reflecting surface facing outward, that is, in the irradiation direction of the sunlight c. Is attached to the shaft 9 by a support shaft 9 so as to be swingable in the vertical direction, and the support shaft 9 is a speed reducer such as a worm or worm wheel.
Swinging means 11 consisting of a motor 10b driven via 10a
The holding body 7 is rocked by.
【００１５】なお、前記した凹面反射体１は、反射鏡を
用いるものであるから、レンズを用いる場合と異なり、
色収差を全く起こさないので、自然色の光を採り込むこ
とができる。Since the concave reflector 1 described above uses a reflecting mirror, unlike the case where a lens is used,
Since no chromatic aberration occurs, natural color light can be taken in.
【００１６】前記した二次反射体２は、凹面反射体１へ
照射された太陽光ｃを所定位置に焦点を有するように反
射させて、該反射光ｄを受光するするもので、この反射
光ｄの焦点部におけるその前側において、凹面反射体１
の中心位置へ、保持体７に付設した支持部材12より延設
されたアーム13の取付部材14に設けてある。The secondary reflector 2 reflects the sunlight c radiated on the concave reflector 1 so as to have a focal point at a predetermined position and receives the reflected light d. At the front side of the focal point portion of d, the concave reflector 1
It is provided on the attachment member 14 of the arm 13 extending from the support member 12 attached to the holding body 7 to the center position.
【００１７】この二次反射体２は、フィルター状の反射
鏡であって、光吸収損失が少ない石英ガラスあるいは各
種のガラス，金属，結晶体，半導体，合成樹脂等の基板
からなる可透性板15面へ、慣用法により蒸着、すなわ
ち、前記可透性板15の表面へ、誘電体膜や金属膜16を真
空蒸着により一層または複層で平面の鏡面となるように
施してあり、該膜16の屈折率，厚さ，層数を変化させる
ことにより、光の干渉・吸収を利用して特定の波長域の
光、例えば、可視光線ｅを反射させ、赤外線，紫外線ｆ
等を透過させるものである。The secondary reflector 2 is a filter-shaped reflecting mirror, and is a transparent plate made of quartz glass or a substrate of various kinds of glass, metal, crystal, semiconductor, synthetic resin or the like, which has a small light absorption loss. Vapor deposition on 15 surfaces by a conventional method, that is, on the surface of the permeable plate 15, a dielectric film or a metal film 16 is vacuum-deposited to form a flat mirror surface in one or more layers. By changing the refractive index, thickness, and number of layers of 16 to reflect light in a specific wavelength range, for example, visible light e by utilizing interference / absorption of light, infrared light, ultraviolet light f
Etc. are transmitted.
【００１８】なお、透過されたこの赤外線，紫外線ｆ等
は、乾燥や加熱，暖房等の熱源や、殺菌等として利用さ
れるもので、この焦点部には、図示してないが、耐熱性
に優れ、光吸収損失が少ない光ファイバー等が取り付け
られる。The transmitted infrared rays, ultraviolet rays f, etc. are used as a heat source for drying, heating, heating, etc., and as a sterilizer. An optical fiber or the like with excellent light absorption loss can be attached.
【００１９】前記した受光体３は、二次反射体２へ照射
された反射太陽の入射光ｄを所定位置に焦点を有するよ
うに再び反射させて、その焦点部において該反射光であ
る可視光線ｅを採光するものであって、光吸収損失が少
ない石英やガラスあるいは合成樹脂等の光ファイバーを
採用するものである。The above-mentioned light receiver 3 reflects the incident light d of the reflected sun radiated on the secondary reflector 2 again so as to have a focal point at a predetermined position, and the visible ray which is the reflected light at the focal point. The light is emitted from e, and an optical fiber such as quartz, glass, or synthetic resin having a small light absorption loss is adopted.
【００２０】そして、この受光体３は、前記した保持体
７の支持部材12に設けた取付筒17内へ挿嵌して、その取
付位置を調整自在に固定してあるもので、その一端部、
すなわち、入光部を二次反射体２からの入射光ｄの焦点
部に対応させてあり、また、他端部を希望する各種利用
機器、例えば、照明器具や日光浴等の照射器具（図示せ
ず）に接続してある。The light receiving body 3 is inserted into the mounting cylinder 17 provided on the supporting member 12 of the holding body 7 and has its mounting position adjustable and fixed. One end of the light receiving body 3 is fixed. ,
That is, the light incident portion is made to correspond to the focal portion of the incident light d from the secondary reflector 2, and the other end portion is used for various desired equipment, for example, lighting equipment or irradiation equipment such as a sunbath (not shown). No)).
【００２１】図１において18は保持体７の旋回手段で、
基台19の略中心部に減速機付きモータ20を固着し、その
出力軸21に保持体７の底部を取り付けて、モータ20の正
逆回転により保持体７が水平状態で任意に回転するもの
であって、前記した揺動手段11との協働により、刻々と
変化・移動する太陽位置に追従できるようにして、常
に、最高効率の採光が行なえるようにしてある。In FIG. 1, reference numeral 18 designates a turning means for the holder 7.
A motor 20 with a speed reducer is fixed to a substantially central portion of a base 19, a bottom portion of a holding body 7 is attached to an output shaft 21 of the base 20, and the holding body 7 is arbitrarily rotated in a horizontal state by the forward and reverse rotation of the motor 20. In cooperation with the swinging means 11, the sun position which changes and moves every moment can be tracked so that the daylight can always be extracted with the highest efficiency.
【００２２】図１において22は太陽位置の追尾センサー
で、アーム13の取付部材14に取り付けて、これより発す
る検知信号を制御手段23を介して、揺動手段11および旋
回手段18のモータ10b ，20へ送信し、適宜、凹面反射体
１の太陽への向面位置を制御する。In FIG. 1, reference numeral 22 denotes a sun position tracking sensor which is attached to a mounting member 14 of an arm 13 and a detection signal generated from this is sent via a control means 23 to a motor 10b of a swinging means 11 and a turning means 18. Then, the position of the concave reflector 1 facing the sun is controlled appropriately.
【００２３】次に、前記した本発明実施例装置Ａにおけ
る作用を説明する。Next, the operation of the apparatus A of the present invention will be described.
【００２４】図１に示すように、センサー22によりあら
かじめ太陽位置を確認して、凹面反射体１の太陽への向
きを揺動手段11および旋回手段18により調整しておく。As shown in FIG. 1, the position of the sun is confirmed in advance by the sensor 22, and the direction of the concave reflector 1 to the sun is adjusted by the swinging means 11 and the turning means 18.
【００２５】そして、正しくかつ効率よく太陽へ向かっ
た凹面反射体には、太陽光である入射光ｃが照射され
て、この凹面反射体１におけるそれぞれの輪帯状反射部
材４，４，４…に当たって反射する。The incident light c, which is sunlight, is radiated to the concave reflector that correctly and efficiently heads to the sun, and hits the respective ring-shaped reflection members 4, 4, 4 ... In the concave reflector 1. reflect.
【００２６】この反射光ｄは、この凹面反射体１の他側
において所定位置に焦点を結ぶように集光される。The reflected light d is condensed so that it is focused on a predetermined position on the other side of the concave reflector 1.
【００２７】そして、この反射光ｄは、アーム13に取り
付けられ、その焦点部の前側に設けた二次反射体２に照
射されるので、再び、この反射光ｄは反射して所定位置
に焦点を結ぶように集光され入射光ｅとなる。The reflected light d is attached to the arm 13 and is irradiated on the secondary reflector 2 provided on the front side of the focal portion thereof, so that the reflected light d is reflected again and focused at a predetermined position. The light is condensed so as to connect with each other and becomes incident light e.
【００２８】したがって、この入射光ｅは、該焦点部に
おいて支持部材12に設けた取付筒１７内へ挿嵌される光
ファイバー等の受光体３に照射されるので、該受光体３
内を通って希望する光源となり種々利用される。Therefore, the incident light e is applied to the light receiving body 3 such as an optical fiber which is inserted into the mounting tube 17 provided in the supporting member 12 at the focal point portion, so that the light receiving body 3 is received.
It becomes a desired light source through the inside and is used in various ways.
【００２９】[0029]
【発明の効果】前述したように本発明の採光装置は、照
射される太陽光の中から、可視光線を大量に採り出し
て、この光を有効に利用することができ、しかも、複数
の同心的な輪帯状反射部材からなる凹面反射体を用いる
ことにより、装置全体を軽量でかつ安価に製作すること
ができる格別な効果を奏するものである。As described above, the daylighting device of the present invention is capable of extracting a large amount of visible light from the radiated sunlight and effectively utilizing this light. The use of the concave reflector made of a conventional ring-shaped reflecting member has a special effect that the entire device can be manufactured lightweight and at low cost.
【図１】本発明に関する採光装置の一実施例を示す一部
を破断した側面図である。FIG. 1 is a partially cutaway side view showing an embodiment of a daylighting device according to the present invention.
【図２】図１における凹面反射体の一部を拡大して示す
断面図である。FIG. 2 is an enlarged sectional view showing a part of the concave reflector in FIG.
【図３】従来の集光装置を示す説明図である。FIG. 3 is an explanatory diagram showing a conventional light collecting device.
１ 凹面反射体 ２ 二次反射体 ３ 受光体 ４ 輪帯状反射部材 ｃ 太陽光 ｄ 反射光 ｅ 可視光線 1 Concave Reflector 2 Secondary Reflector 3 Photoreceptor 4 Ring-shaped Reflecting Member c Sunlight d Reflected Light e Visible Light
Claims (1)
凹面反射体と、この凹面反射体へ照射された太陽光を所
定位置に焦点を有するように反射させて、該反射光を受
光する前記焦点部の前側に設けた二次反射体と、この二
次反射体へ照射された反射太陽光を、所定位置に焦点を
有するように再び反射させて、その焦点部において可視
光線を採光する受光体とを備えさせたことを特徴とする
採光装置。1. A concave reflector made up of a plurality of concentric ring-shaped reflecting members, and the sunlight radiated to the concave reflector is reflected so as to have a focal point at a predetermined position, and the reflected light is received. The secondary reflector provided on the front side of the focus section and the reflected sunlight irradiated on the secondary reflector are reflected again so as to have a focus at a predetermined position, and visible light is collected at the focus section. A light-collecting device comprising a light-receiving body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31614193A JPH07168080A (en) | 1993-12-16 | 1993-12-16 | Lightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31614193A JPH07168080A (en) | 1993-12-16 | 1993-12-16 | Lightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07168080A true JPH07168080A (en) | 1995-07-04 |
Family
ID=18073721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31614193A Pending JPH07168080A (en) | 1993-12-16 | 1993-12-16 | Lightening device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07168080A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101036691B1 (en) * | 2008-10-10 | 2011-05-24 | 박이동 | Sunlighting apparatus with light-transforming function |
| WO2015193942A1 (en) * | 2014-06-16 | 2015-12-23 | 中国電力株式会社 | Heating device, and drying system |
-
1993
- 1993-12-16 JP JP31614193A patent/JPH07168080A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101036691B1 (en) * | 2008-10-10 | 2011-05-24 | 박이동 | Sunlighting apparatus with light-transforming function |
| WO2015193942A1 (en) * | 2014-06-16 | 2015-12-23 | 中国電力株式会社 | Heating device, and drying system |
| JPWO2015193942A1 (en) * | 2014-06-16 | 2017-04-20 | 中国電力株式会社 | Heating device and drying system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4312330A (en) | Focusing device for concentrating radiation | |
| US4139286A (en) | Apparatus for concentrating solar energy | |
| RU97116835A (en) | MULTI-LAYER OPTICAL DISC DRIVE SYSTEM WITH FIXED ABERRATION CORRECTION AND OPTIMAL INTERLAYER DISTANCE | |
| JPH11509011A (en) | Non-imaging optical concentrator and illumination system | |
| EP0173343A3 (en) | A solar ray energy collecting device | |
| US8355214B2 (en) | Light collection apparatus, system and method | |
| CA1116033A (en) | Device for the conversion of solar energy into electrical energy | |
| US4382434A (en) | Prismatic tracking insolation collector | |
| JPH07168080A (en) | Lightening device | |
| WO2001051962A3 (en) | Multi-facet concentrator of solar setup for irradiating the objects placed in a target plane with solar light | |
| CN1006326B (en) | Solar thermal-arrest device with sub-mirror | |
| GB2252843A (en) | Diffractive focussing means | |
| JP3432168B2 (en) | Discontinuous line focusing lens | |
| JP3423420B2 (en) | Point condensing lens and solar condensing device using the same | |
| KR100515400B1 (en) | a means of a right to the sunlight secure using sunshine condenser | |
| SU1000691A1 (en) | Plant for orienting heliostat | |
| KR100712726B1 (en) | Apparatus for collecting light | |
| JP2570205B2 (en) | Parabolic antenna reflector | |
| JPH05249406A (en) | Method and device for collecting light | |
| KR200256142Y1 (en) | A condenser of light | |
| Hsu | Reflective wide-angle pinhole camera | |
| JPS6137121Y2 (en) | ||
| JP2619014B2 (en) | Effect spotlight | |
| JPH0651169A (en) | Light condensing blank material for absorbing and condensing light | |
| JPS6296914A (en) | Illuminating device by sunbeam |