JPS5810806Y2 - daylight window - Google Patents
daylight windowInfo
- Publication number
- JPS5810806Y2 JPS5810806Y2 JP1979163430U JP16343079U JPS5810806Y2 JP S5810806 Y2 JPS5810806 Y2 JP S5810806Y2 JP 1979163430 U JP1979163430 U JP 1979163430U JP 16343079 U JP16343079 U JP 16343079U JP S5810806 Y2 JPS5810806 Y2 JP S5810806Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- cover
- present
- window
- dome
- 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.)
- Expired
Links
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
【考案の詳細な説明】 本考案は採光効率を高めた採光窓に関する。[Detailed explanation of the idea] The present invention relates to a lighting window with improved lighting efficiency.
古来から建屋に天窓を設けた外光を採り入れる方式は、
多く見受けられるが近年省エネルギーの観点から再び注
目されるようになった。Since ancient times, skylights have been installed in buildings to let in outside light.
Although it is often seen, it has recently started to attract attention again from the perspective of energy conservation.
この天窓を構成する場合、透光カバーとしては第６図に
示すように平板状のカバー材１００（例えば網入板ガラ
ス）か又は第７図に示すような全体に等肉厚の半球面カ
バー材１０１が使用されている。When constructing this skylight, the light-transmitting cover may be a flat cover material 100 (for example, wired glass) as shown in FIG. 101 is used.
しかしながら、第８図の如く平板状の透光カバーでは、
外光１０２の入射θ角が大になるほど透光カバー１００
表面での反射量が大となってその分屋内への透過光１０
３の光量が減少する（例えば透光カバー１００がガラス
の場合、入射角θ＝８０°で反射率０．４）ため、水平
に近い斜め方向からの自然光を十分活用できないという
欠点がある。However, with a flat transparent cover as shown in Figure 8,
The larger the incident θ angle of external light 102 is, the more the transparent cover 100
The amount of reflection on the surface increases, and the amount of light transmitted indoors is 10
3 (for example, when the transparent cover 100 is made of glass, the reflectance is 0.4 at an incident angle θ=80°), so there is a drawback that natural light from an oblique direction close to the horizontal cannot be fully utilized.
また第９図のような半球面の透明カバー１０１では斜め
方向から来る光線もカバー１０１の表面に対し、はぼ垂
直に入射することになるため表面での反射による光量ロ
スは小さいものの、やはり水平方向から来る外光は採り
入れることはできない。Furthermore, in the case of the hemispherical transparent cover 101 as shown in FIG. 9, even light rays coming from an oblique direction will enter the surface of the cover 101 almost perpendicularly, so although the loss of light amount due to reflection on the surface is small, it is still horizontal. Outside light coming from any direction cannot be taken in.
またあらゆる方向から来る自然光１０４はそのままの分
散状態で屋内へ入るため、特に曇天の日は十分な照度が
得られず、また太陽直射光の移動に伴なって屋内特定場
所の明るさが１日の内で極端に変化し、調光が煩しいと
いう問題が残されている。In addition, natural light 104 coming from all directions enters the room in a dispersed state, so it is difficult to obtain sufficient illuminance, especially on cloudy days, and as the direct sunlight moves, the brightness of a specific indoor location decreases throughout the day. However, there remains the problem that the brightness changes drastically within the range of brightness, making it cumbersome to adjust the brightness.
本考案は上述の問題点を解決し、自然光を効率よく採り
入れて屋内要所へ集中させ、太陽直射光は拡散させるよ
うにした採光窓構造を提供するものである。The present invention solves the above-mentioned problems and provides a lighting window structure that efficiently takes in natural light and concentrates it at key points indoors, while diffusing direct sunlight.
すなわち本考案（ｉ、窓開口を塞ぐ透光カバーを、屋外
へ突出するドーム型をなし、カバーの肉厚が、側縁にお
いて最大であり、中央部に向って漸減されていることを
要旨とする。That is, the gist of the present invention (i) is that the translucent cover that closes the window opening has a dome shape that projects outdoors, and that the thickness of the cover is maximum at the side edges and gradually decreases toward the center. do.
以下本考案を図面に示した実施例に基づき詳しく説明す
る。The present invention will be described in detail below based on embodiments shown in the drawings.
第１図は本考案に係る採光窓の断面図であり、建屋天井
開口部１に固定した枠体２に透明ガラスあるいは透明プ
ラスチックからなる透光カバー３を取り付けて構成され
る。FIG. 1 is a sectional view of a lighting window according to the present invention, which is constructed by attaching a light-transmitting cover 3 made of transparent glass or transparent plastic to a frame 2 fixed to a ceiling opening 1 of a building.
透光カバー３は屋外へ突出するドーム型をなしており、
その肉厚は側縁３Ａを最も厚くし中央部（ドーム頂上）
３Ｂに向けて漸減させて凹レンズ状の変化を与えである
。The transparent cover 3 has a dome shape that protrudes outdoors.
The wall thickness is the thickest at the side edge 3A and at the center (top of the dome)
It gradually decreases toward 3B to give a concave lens-like change.
すなわち、カバー３の外表面は０１点を中心とする半球
面とし、内表面は０１点よりも上方の０２点を中心とす
る球面としである。That is, the outer surface of the cover 3 is a hemispherical surface centered at point 01, and the inner surface is a spherical surface centered at point 02 above point 01.
上記構造によれば、等肉厚であれば屋内へ入らない水平
方向から側縁近傍に入射する光線４Ａでも屈折によって
屋内へ確実に採光される。According to the above structure, even the light ray 4A that enters the vicinity of the side edge from the horizontal direction, which would not enter the indoor space if the wall thickness is the same, is refracted to ensure that the light enters the indoor room.
また、中央から側縁３Ａに近いほど光の屈折角は大とな
るので透光カバー３の外表面の各法線方向から入射して
くる自然光４Ｂ、４Ｃ・・・・・・は、垂直軸線５を中
心として比較的狭い角度範囲内に集光され、透光カバー
の下方個所が集中的に効率良く照光される。In addition, the angle of refraction of light increases as it approaches the side edge 3A from the center, so the natural light 4B, 4C, etc., which enters from the normal direction of the outer surface of the transparent cover 3, is aligned with the vertical axis. The light is focused within a relatively narrow angular range around 5, and the lower part of the light-transmitting cover is illuminated efficiently and intensively.
一方、平行光線で斜めに入射する太陽直射光６は透光カ
バー３の凹レンズ効果で広い範囲に拡散され、しかも前
述した自然光と同様にして入射光軸よりも屋内側へ向け
て屈折されるため、従来に比して屋内での太陽直射光照
射範囲は広がるとともにその移動範囲は挟まり、安定し
た採光を行なうことができる。On the other hand, direct solar light 6 that is parallel and incident obliquely is diffused over a wide range by the concave lens effect of the transparent cover 3, and is also refracted toward the indoor side from the incident optical axis in the same manner as the natural light mentioned above. Compared to the conventional method, the range of direct solar light irradiation indoors is expanded, and the range of movement thereof is narrowed, making it possible to provide stable lighting.
第２図に本考案に係るさらに他の透光カバー３の構造例
を示す。FIG. 2 shows a structural example of still another light-transmitting cover 3 according to the present invention.
本例では半球面でドーム型を形成する代りに半球面に近
似させた多面体でドーム型に形成し、側縁３Ａに近い部
分はど厚肉とするとともに根元部分１０の内外面のなす
くさび角θ１を中間部分１１の内外面のなすくさび角θ
２よりも大とし、且つ頂上部分１２は平板状として各部
分１０．１１．１２に透過光屈折角に差を与えたもので
あり、かかる構造によっても第１図のものとほぼ同等の
効果が得られる。In this example, instead of forming a dome shape with a hemispherical surface, it is formed into a dome shape with a polyhedron approximated to a hemispherical surface, and the portion near the side edge 3A is made thicker, and the wedge angle formed by the inner and outer surfaces of the root portion 10 is θ1 is the wedge angle θ formed by the inner and outer surfaces of the intermediate portion 11.
2, and the top portion 12 is shaped like a flat plate, giving different refraction angles of transmitted light to each portion 10, 11, and 12. With this structure, almost the same effect as the one in FIG. 1 can be obtained. can get.
なお、本考案に係る透光カバー３は第３図あるいは第４
図に示すようにドーム頂上を通る中心軸線に対し対称形
状に形成する以外に、第５図に示すように横断面形状を
上述図示側構造として長手方向には同一断面形状を連続
させたカマボコ状のドーム型に形成することも可能であ
る。The transparent cover 3 according to the present invention is shown in FIG. 3 or 4.
In addition to forming the dome in a symmetrical shape with respect to the central axis passing through the top of the dome as shown in the figure, as shown in Figure 5, the cross-sectional shape is the same shape as shown in the figure above, and the same cross-sectional shape is continued in the longitudinal direction. It is also possible to form it into a dome shape.
第１図は本考案の一実施例を示す断面図、第２図は本考
案に係る透光カバーの他の構造例を示す断面図、第３図
ないし第５図は本考案に係る透光カバーの種々の外形状
例を示す斜視図、第６図および第７図は従来の採光窓構
造を示す断面図であり、図中３は透光カバー、３Ａは側
縁、４Ａ、４Ｂ、４Ｃは自然光光線、６は太陽直射光光
線をそれぞれ示す。FIG. 1 is a cross-sectional view showing one embodiment of the present invention, FIG. 2 is a cross-sectional view showing another structural example of a light-transmitting cover according to the present invention, and FIGS. 3 to 5 are light-transmitting covers according to the present invention. 6 and 7 are perspective views showing examples of various external shapes of the cover, and sectional views showing conventional lighting window structures, in which 3 is a light-transmitting cover, 3A is a side edge, 4A, 4B, 4C 6 indicates a natural light ray, and 6 indicates a direct sunlight ray.
Claims (1)
なし、カバーの肉厚が側縁において最大であり、中央部
に向って、漸減されていることを特徴とする採光窓。A daylighting window characterized in that a light-transmitting cover that closes a window opening has a dome shape that projects outdoors, and the thickness of the cover is greatest at the side edges and gradually decreases toward the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979163430U JPS5810806Y2 (en) | 1979-11-26 | 1979-11-26 | daylight window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979163430U JPS5810806Y2 (en) | 1979-11-26 | 1979-11-26 | daylight window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5679531U JPS5679531U (en) | 1981-06-27 |
| JPS5810806Y2 true JPS5810806Y2 (en) | 1983-02-28 |
Family
ID=29674403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979163430U Expired JPS5810806Y2 (en) | 1979-11-26 | 1979-11-26 | daylight window |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5810806Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6155878B2 (en) * | 2013-06-14 | 2017-07-05 | 岩崎電気株式会社 | Optical lens device and lighting apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5045637U (en) * | 1973-08-04 | 1975-05-08 |
-
1979
- 1979-11-26 JP JP1979163430U patent/JPS5810806Y2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5045637U (en) * | 1973-08-04 | 1975-05-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5679531U (en) | 1981-06-27 |
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