JPS59115513U - Reflector for square light distribution - Google Patents
Reflector for square light distributionInfo
- Publication number
- JPS59115513U JPS59115513U JP972883U JP972883U JPS59115513U JP S59115513 U JPS59115513 U JP S59115513U JP 972883 U JP972883 U JP 972883U JP 972883 U JP972883 U JP 972883U JP S59115513 U JPS59115513 U JP S59115513U
- Authority
- JP
- Japan
- Prior art keywords
- center
- light distribution
- square
- concave curved
- pair
- 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.)
- Granted
Links
Landscapes
- Optical Elements Other Than Lenses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例を適用したダウンライトの斜視図、第２
図はその概略断面図、第３図はその配光曲線図、第４図
は反射鏡の斜視図、第５図はその水平断面における２次
反射光を示す概略断面図、第６図は垂直断面における半
断面図、第７図はこの考案の一実施例の水平断面におけ
る詳細を示す断面図、第８図は反射鏡の斜視図、第９図
は照射面における反射鏡の各部に対応した照明分布を示
す分布図である。
Ｍ□・・・反射面（角部分の凹曲面）、Ｍ′・・・・・
・角突部、Ｍ２・・・・・・反射面（辺部分の凹曲面）
。Figure 1 is a perspective view of a downlight to which a conventional example is applied;
The figure is a schematic cross-sectional view, Figure 3 is a light distribution curve diagram, Figure 4 is a perspective view of the reflector, Figure 5 is a schematic cross-sectional view showing secondary reflected light in the horizontal cross section, and Figure 6 is a vertical cross-section. Fig. 7 is a cross-sectional view showing details of an embodiment of this invention in horizontal section, Fig. 8 is a perspective view of the reflecting mirror, and Fig. 9 corresponds to each part of the reflecting mirror on the irradiation surface. It is a distribution map showing illumination distribution. M□・・・Reflecting surface (concave curved surface at the corner), M′...
・Corner protrusion, M2... Reflective surface (concave curved surface on the side)
.
Claims (1)
水平断面において正方形を含む略矩形をなし、その角部
分の所定範囲は凹曲面に形成され、これに連続する辺部
分は一対の凹曲面よりなりその連接部が前記矩形の中心
に向けて角突状態となるように配置され、しかも前記中
心と一対の角部よりなる三角形で囲まれた部分の反射光
が四角形照射面における中心に対する点対称位置の三角
形部分に均等に照射するようにした四角配光用反射゛
鏡。It has a substantially umbrella shape in a vertical cross section including the center of the light source, a substantially rectangular shape including a square in any horizontal cross section, a predetermined range of the corner portion is formed into a concave curved surface, and the side portions continuous with this are a pair of concave curved surfaces. The connecting portion is arranged in a angular state toward the center of the rectangle, and the reflected light from the portion surrounded by the triangle formed by the center and the pair of corners is a point relative to the center of the rectangular irradiation surface. Reflection for square light distribution that evenly illuminates triangular areas at symmetrical positions.
mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP972883U JPS59115513U (en) | 1983-01-25 | 1983-01-25 | Reflector for square light distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP972883U JPS59115513U (en) | 1983-01-25 | 1983-01-25 | Reflector for square light distribution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59115513U true JPS59115513U (en) | 1984-08-04 |
| JPS6327366Y2 JPS6327366Y2 (en) | 1988-07-25 |
Family
ID=30141181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP972883U Granted JPS59115513U (en) | 1983-01-25 | 1983-01-25 | Reflector for square light distribution |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59115513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014232659A (en) * | 2013-05-29 | 2014-12-11 | 三菱電機株式会社 | Lighting device |
-
1983
- 1983-01-25 JP JP972883U patent/JPS59115513U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014232659A (en) * | 2013-05-29 | 2014-12-11 | 三菱電機株式会社 | Lighting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6327366Y2 (en) | 1988-07-25 |
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