JPH08329724A - Luminaire - Google Patents
LuminaireInfo
- Publication number
- JPH08329724A JPH08329724A JP8093208A JP9320896A JPH08329724A JP H08329724 A JPH08329724 A JP H08329724A JP 8093208 A JP8093208 A JP 8093208A JP 9320896 A JP9320896 A JP 9320896A JP H08329724 A JPH08329724 A JP H08329724A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- fluorescent lamp
- shaped fluorescent
- reflecting means
- outer diameter
- 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
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 239000011521 glass Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、環形蛍光ランプを
用いる照明器具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture using a ring fluorescent lamp.
【０００２】[0002]
【従来の技術】従来、環形蛍光ランプを用いる照明器具
の反射板は、例えば実開昭４９−５４３６１号公報（文
献１）、特公昭６２−４８３２５号公報（文献２）およ
び特公昭５９−３００２号公報（文献３）等に開示され
ている。2. Description of the Related Art Conventionally, a reflector of a lighting fixture using a ring-shaped fluorescent lamp is disclosed, for example, in Japanese Utility Model Publication No. 49-54361 (Reference 1), Japanese Patent Publication No. 62-48325 (Reference 2) and Japanese Patent Publication No. 59-3002. It is disclosed in Japanese Patent Publication (Reference 3) and the like.
【０００３】文献１に開示のものは、器具真下の配光分
布を均一にするために、２つの大きさの異なる環状蛍光
灯を同軸でかつ上下方向にずらして配設するとともに、
これらの蛍光灯に対向する２つパラボラ反射面を設け、
各パラボラ曲線の軸を水平面に対して傾けている。The device disclosed in Document 1 arranges two annular fluorescent lamps having different sizes coaxially and vertically with each other in order to make the light distribution just below the device uniform.
Providing two parabolic reflection surfaces facing these fluorescent lamps,
The axis of each parabola curve is tilted with respect to the horizontal plane.
【０００４】また、文献２に開示のものは、１灯点灯の
場合広がりのある明るさを得るとともに全点灯の場合中
心感があり、しかも十分な明るさを得られるように２本
の環形蛍光ランプに対向する２つの反射面のうち、外側
を正反射面とし内側を乱反射面としている。Further, the one disclosed in Document 2 has a wide brightness when one lamp is lit, a central feeling when all lights are lit, and two ring-shaped fluorescent lights so as to obtain sufficient brightness. Of the two reflecting surfaces facing the lamp, the outside is a specular reflection surface and the inside is a diffuse reflection surface.
【０００５】さらにまた、文献３に開示のものは、１つ
の環状蛍光灯から放射された光の一部が反射面で反射さ
れた後、再び蛍光灯に当たる光を低減し蛍光灯より下方
向への光の照射効率をよくするために、環状蛍光灯の中
心線のほぼ真上に曲面反射面を設けるとともに、この反
射面の外側に連続して水平反射面を設けている。Furthermore, in the one disclosed in Document 3, after a part of the light emitted from one annular fluorescent lamp is reflected by the reflecting surface, the light that hits the fluorescent lamp again is reduced so that it goes downward from the fluorescent lamp. In order to improve the irradiation efficiency of the light, a curved reflecting surface is provided almost directly above the center line of the annular fluorescent lamp, and a horizontal reflecting surface is continuously provided outside the reflecting surface.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、文献１
ないし３の従来の環形蛍光ランプは、一般的には２９ｍ
ｍの比較的太い管外径を有している。このような管外径
が太く発光面積の比較的大きい環形蛍光ランプから放射
される光は、パラボラ等の反射面で光制御しにくいもの
である。DISCLOSURE OF THE INVENTION Problem to be Solved by the Invention
The conventional ring fluorescent lamps of No. 3 to No. 3 are generally 29 m
It has a relatively thick tube outer diameter of m. Light emitted from such a ring-shaped fluorescent lamp having a large outside diameter and a relatively large light emitting area is difficult to be controlled by a reflecting surface such as a parabola.
【０００７】すなわち、反射面の設計は、一般的には面
状に発光している光源でも点または線光源とみなして行
うことが多い。そして、実際に設計した反射面に蛍光ラ
ンプを組み込んだ場合、その配光分布は設計値からずれ
る場合がある。これは、蛍光ランプは、実際には点また
は線光源ではなく面状に発光しているので、設計通りの
配光にはならないものである。また、文献１ないし３に
開示の照明器具は、蛍光ランプを覆うカバーがないため
に蛍光ランプから放射された光の照度分布は、均一にな
りにくいし、さらに広がりを持たないものである。That is, in many cases, the design of the reflecting surface is generally performed by regarding a light source emitting light in a planar shape as a point or line light source. When a fluorescent lamp is incorporated in the actually designed reflecting surface, the light distribution may deviate from the designed value. This is because the fluorescent lamp does not actually emit a point or line light source but emits light in a plane, so that the light distribution is not as designed. Further, since the lighting fixtures disclosed in Documents 1 to 3 do not have a cover for covering the fluorescent lamp, the illuminance distribution of the light emitted from the fluorescent lamp is unlikely to be uniform and has no further spread.
【０００８】さらに、特に、文献１および２に開示の２
つの環状蛍光ランプを使用する照明器具では、このラン
プに対向する反射面を器具の上下方向に形成されている
ので、この分、器具の高さが高くなり器具を薄形化する
ことは困難である。Further, in particular, 2 disclosed in documents 1 and 2
In a luminaire that uses two annular fluorescent lamps, the reflecting surface facing the lamp is formed in the vertical direction of the luminaire, so the height of the luminaire increases and it is difficult to make the luminaire thin. is there.
【０００９】本発明は、管外径の細い光源を使用し、透
光性カバー表面の輝度および均斉度を向上させるととも
に薄形化を図った照明器具を提供することを目的とす
る。It is an object of the present invention to provide a lighting device which uses a light source having a small outer diameter of the tube, improves the brightness and uniformity of the surface of the translucent cover, and is thin.
【００１０】[0010]
【課題を解決するための手段】請求項１の発明は、器具
本体と；器具本体に配設されるランプソケットと；ラン
プソケットに装着される管外径１５ないし１８ｍｍおよ
び環外径２８５ないし３１０ｍｍの第１の環形蛍光ラン
プと；第１の環形蛍光ランプに対してほぼ同心円状でか
つほぼ同一平面上に配設されるとともに、第１の環形蛍
光ランプの消費電力と異なる消費電力を有する管外径１
５ないし１８ｍｍおよび環外径３６０ないし３９０ｍｍ
の第２の環形蛍光ランプと；第１の環形蛍光ランプに光
学的に対向して配設され、第１の環形蛍光ランプから放
射される光を主として器具本体の中央方向に制御する第
１の反射手段と；第１の反射手段に近接して設けられる
とともに、第２の環形蛍光ランプに光学的に対向して配
設され、第２の環形蛍光ランプから放射された光を主と
して器具本体の外周方向に制御する第２の反射手段と；
器具本体に装着され、第１および第２の環形蛍光ラン
プ、第１および第２の反射手段を包囲する透光性カバー
と；を具備していることを特徴とする。According to the invention of claim 1, an instrument body; a lamp socket provided in the instrument body; a tube outer diameter 15 to 18 mm and an outer ring diameter 285 to 310 mm mounted on the lamp socket. A tube having a concentric circle and a substantially concentric plane with respect to the first ring fluorescent lamp and having power consumption different from that of the first ring fluorescent lamp. Outer diameter 1
5 to 18 mm and outer ring diameter 360 to 390 mm
A second ring-shaped fluorescent lamp; and a first ring-shaped fluorescent lamp which is disposed so as to be optically opposed to the first ring-shaped fluorescent lamp and which controls the light emitted from the first ring-shaped fluorescent lamp mainly in the central direction of the instrument body. Reflecting means; provided near the first reflecting means and optically facing the second ring-shaped fluorescent lamp, and mainly emits light emitted from the second ring-shaped fluorescent lamp of the instrument body. Second reflecting means for controlling in the outer peripheral direction;
A first and a second ring-shaped fluorescent lamp, a translucent cover surrounding the first and the second reflecting means, and a translucent cover;
【００１１】本発明および以下の発明において、照明器
具はシーリングライト、ペンダント等任意の照明器具を
許容する。In the present invention and the following inventions, the luminaire allows any luminaire such as a ceiling light and a pendant.
【００１２】管外径が１５ｍｍよりも小さい場合には、
強度が弱くなって取り扱いに必要以上の注意を払わなけ
ればならないので、実用的ではない。また、１８ｍｍよ
り大きい場合には光制御を行う反射面を有する反射手段
の設計が難しくなることがある。また、環外径２８５な
いし３１０ｍｍまたは環外径３６０ないし３９０ｍｍで
あることは、現行の一般形蛍光ランプの環外径とほぼ同
等であるので、外観上、管外径の細さによる違和感が減
少するとともに、発光長が長くなるので、その分発光面
積が増加し広がりを持った配光が得られやすくなる。When the outer diameter of the pipe is smaller than 15 mm,
It is not practical because its strength is weakened and care must be taken when handling it. If it is larger than 18 mm, it may be difficult to design the reflecting means having the reflecting surface for controlling light. In addition, the outer diameter of the ring is 285 to 310 mm or the outer diameter of 360 to 390 mm, which is almost the same as the outer diameter of the current general-purpose fluorescent lamp, so that the appearance reduces the discomfort caused by the thin outer diameter of the tube. At the same time, since the light emission length is increased, the light emission area is correspondingly increased, and it becomes easy to obtain a spread light distribution.
【００１３】なお、本発明および以下の発明において
は、環形蛍光ランプの製造誤差等を考慮して管外径１５
ないし１８ｍｍ、環外径２８５ないし３７５ｍｍおよび
環外径３６０ないし３９０ｍｍの上限値および下限値
が、±１０％の範囲で変動することを許容する。In the present invention and the following invention, the tube outer diameter is 15 in consideration of manufacturing error of the ring-shaped fluorescent lamp.
To 18 mm, the outer diameter of the ring 285 to 375 mm, and the outer diameter of the ring 360 to 390 mm, the upper and lower limits are allowed to vary within ± 10%.
【００１４】第１および第２の環形蛍光ランプが、ほぼ
同一平面上に配設されるとは、お互いの蛍光ランプが上
下方向に少しでも重なる部分を有して配設されている状
態までを許容する。The fact that the first and second ring-shaped fluorescent lamps are arranged on substantially the same plane means that the fluorescent lamps are arranged so as to have a portion overlapping each other in the vertical direction. Tolerate.
【００１５】第１の環形蛍光ランプから放射される光を
主として器具本体の中央方向に制御するとは、第１の反
射手段で反射された反射光の配光ピークが中央方向を向
いていればよい。また、第２の環形蛍光ランプから放射
された光を主として器具本体の外周方向に制御すると
は、第２の反射手段で反射された反射光の配光ピークが
外周方向に向いていればよい。To control the light emitted from the first ring-shaped fluorescent lamp mainly in the central direction of the instrument body, it is sufficient that the light distribution peak of the reflected light reflected by the first reflecting means faces the central direction. . In order to control the light emitted from the second ring-shaped fluorescent lamp mainly in the outer peripheral direction of the instrument body, it is sufficient that the light distribution peak of the reflected light reflected by the second reflecting means is directed in the outer peripheral direction.
【００１６】透光性カバーは、透明または拡散透過性の
材料で成形されたものであれば、その形状は何でもよ
い。The light-transmitting cover may have any shape as long as it is formed of a transparent or diffusion-transmitting material.
【００１７】本発明では、管外径が１５ないし１８ｍｍ
の比較的細い環形蛍光ランプを使用し、第１および第２
の反射手段を設計し、第１の環形蛍光ランプから放射さ
れる光を主として器具本体の中央方向に制御するととも
に、第２の環形蛍光ランプから放射された光を主として
器具本体の外周方向に制御して透光性カバー表面の輝度
および均斉度を向上させるとともに薄形化を図ってい
る。In the present invention, the pipe outer diameter is 15 to 18 mm.
Using a relatively thin ring fluorescent lamp of
The reflecting means is designed to control the light emitted from the first ring-shaped fluorescent lamp mainly in the central direction of the instrument body, and control the light emitted from the second ring-shaped fluorescent lamp mainly in the outer circumferential direction of the instrument body. In addition to improving the brightness and uniformity of the surface of the translucent cover, we are aiming to make it thinner.
【００１８】請求項２の発明は、器具本体と；器具本体
に配設されるランプソケットと；ランプソケットに装着
される管外径１５ないし１８ｍｍおよび環外径２８５な
いし３１０ｍｍの第１の環形蛍光ランプと；第１の環形
蛍光ランプに対してほぼ同心円状でかつほぼ同一平面上
に配設されるとともに、第１の環形蛍光ランプの消費電
力と異なる消費電力を有する管外径１５ないし１８ｍｍ
および環外径３６０ないし３９０ｍｍの第２の環形蛍光
ランプと；第１および第２の環形蛍光ランプを覆う透光
性カバーと；第１および第２の環形蛍光ランプから放射
された光が透光性カバーを透過し、透光性カバーの表面
輝度の最大値ａに対する透光性カバーの中央部の表面輝
度ｂの輝度比ｂ／ａが０．５５以上となるように器具本
体に配設された反射手段と；を具備していることを特徴
とする。According to a second aspect of the present invention, an instrument main body; a lamp socket disposed in the instrument main body; a first ring-shaped fluorescent light having a tube outer diameter of 15 to 18 mm and an outer ring diameter of 285 to 310 mm, which is attached to the lamp socket. A lamp; a tube outer diameter of 15 to 18 mm, which is substantially concentric with the first ring-shaped fluorescent lamp and is arranged on substantially the same plane and has a power consumption different from that of the first ring-shaped fluorescent lamp.
And a second ring-shaped fluorescent lamp having a ring outer diameter of 360 to 390 mm; a translucent cover covering the first and second ring-shaped fluorescent lamps; and a light emitted from the first and second ring-shaped fluorescent lamps. Of the transparent cover and the brightness ratio b / a of the surface brightness b at the central portion of the transparent cover to the maximum surface brightness a of the transparent cover is 0.55 or more. And a reflection means;
【００１９】本発明では、管外径が１５ないし１８ｍｍ
の比較的細い環形蛍光ランプを使用し、透光性カバーの
表面輝度の最大値ａに対する透光性カバーの中央部の表
面輝度ｂの輝度比ｂ／ａが０．５５以上となるように反
射手段を設計しているので、透光性カバー表面の輝度お
よび均斉度を向上させることができる。In the present invention, the outer diameter of the pipe is 15 to 18 mm.
Using a comparatively thin ring-shaped fluorescent lamp, the reflection is performed so that the brightness ratio b / a of the surface brightness b of the central part of the translucent cover to the maximum value a of the translucent cover is 0.55 or more. Since the means is designed, the brightness and the uniformity of the surface of the transparent cover can be improved.
【００２０】請求項３の発明では、器具本体と；器具本
体に配設されるランプソケットと；ランプソケットに装
着される管外径１５ないし１８ｍｍおよび環外径２８５
ないし３１０ｍｍの第１の環形蛍光ランプと；第１の環
形蛍光ランプに対してほぼ同心円状でかつほぼ同一平面
上に配設されるとともに、第１の環形蛍光ランプの消費
電力と異なる消費電力を有する管外径１５ないし１８ｍ
ｍおよび環外径３６０ないし３９０ｍｍの第２の環形蛍
光ランプと；第１の環形蛍光ランプに対向するように器
具本体に配設され、器具本体の中央方向が凸になるよう
に第１および第２の環形蛍光ランプの中間部から中央方
向に向かって滑らかにカーブする反射面を有する第１の
反射手段と；第１の反射手段に近接し、器具本体の外周
方向に向かって凹になる反射面を有する第２の反射手段
と；第１および第２の環形蛍光ランプ、第１および第２
の反射手段を包囲して器具本体に装着される透光性カバ
ーと；を具備していることを特徴とする。According to the third aspect of the present invention, the instrument body; the lamp socket provided in the instrument body; the tube outer diameter 15 to 18 mm and the ring outer diameter 285 mounted on the lamp socket.
A first ring-shaped fluorescent lamp having a length of 3 mm to 310 mm; arranged substantially concentrically with the first ring-shaped fluorescent lamp and arranged on substantially the same plane, and consumes power different from that of the first ring-shaped fluorescent lamp. Outer diameter of the pipe is 15-18m
m and a second ring-shaped fluorescent lamp having an outer diameter of 360 to 390 mm; arranged on the instrument body so as to face the first ring-shaped fluorescent lamp, and the first and the first so that the central direction of the instrument body is convex. First reflecting means having a reflecting surface that smoothly curves from the middle part of the second ring-shaped fluorescent lamp toward the central direction; reflection that is close to the first reflecting means and is concave toward the outer peripheral direction of the instrument body Second reflecting means having a surface; first and second annular fluorescent lamps, first and second
And a translucent cover surrounding the reflection means and attached to the main body of the device.
【００２１】第１の反射手段は、一部材で成形してもよ
いし、複数の部材を組み合わせて構成してもよい。The first reflecting means may be formed by a single member or may be formed by combining a plurality of members.
【００２２】第２の反射手段は、第１の反射手段の側面
を利用してもよいし、器具本体の一部を利用してもよ
い。さらに、上記の組み合わせでもよい。The second reflecting means may utilize the side surface of the first reflecting means or a part of the instrument body. Further, the above combination may be used.
【００２３】器具本体の外周方向に凹になるとは、第２
の反射手段の反射面の高さが、第１および第２の環形蛍
光ランプの中間部にある第１の反射手段と第２の反射手
段との境界部の高さよりも低い部分があればよいもので
ある。The concave in the outer peripheral direction of the instrument body means the second
The height of the reflection surface of the second reflection means may be lower than the height of the boundary between the first reflection means and the second reflection means in the intermediate portion of the first and second annular fluorescent lamps. It is a thing.
【００２４】本発明では、管外径が１５ないし１８ｍｍ
の比較的細い環形蛍光ランプを使用して設計された第１
および第２の反射手段は、第１の環形蛍光ランプから放
射される光を器具本体の中央方向に制御し、第２の環形
蛍光ランプから放射された光を器具本体の外周方向に制
御して透光性カバー表面の輝度および均斉度を向上させ
ている。In the present invention, the outer diameter of the pipe is 15 to 18 mm.
First designed using a relatively thin ring fluorescent lamp
And the second reflecting means controls the light emitted from the first ring-shaped fluorescent lamp toward the center of the instrument body and controls the light emitted from the second ring-shaped fluorescent lamp toward the outer periphery of the instrument body. It improves the brightness and uniformity of the translucent cover surface.
【００２５】請求項４の発明は、器具本体と；器具本体
に配設されるランプソケットと；ランプソケットに装着
される管外径１５ないし１８ｍｍおよび環外径２８５な
いし３１０ｍｍの第１の環形蛍光ランプと；第１の環形
蛍光ランプに対してほぼ同心円状でかつほぼ同一平面上
に配設されるとともに、第１の環形蛍光ランプの消費電
力と異なる消費電力を有する管外径１５ないし１８ｍｍ
および環外径３６０ないし３９０ｍｍの第２の環形蛍光
ランプと；第１の環形蛍光ランプに対向するように器具
本体に配設され、器具本体の中央方向が凸になるように
第１および第２の環形蛍光ランプの中間部から中央方向
に向かって滑らかにカーブする反射面およびこの反射面
に連接する側反射面を有する第１の反射手段と；第１の
反射手段の側反射面および器具本体の下面で構成された
第２の反射手段と；第１および第２の環形蛍光ランプ、
第１および第２の反射手段を包囲して器具本体に装着さ
れる透光性カバーと；を具備していることを特徴とす
る。According to the invention of claim 4, a lamp body; a lamp socket arranged in the lamp body; a first ring-shaped fluorescent lamp having a tube outer diameter of 15 to 18 mm and a ring outer diameter of 285 to 310 mm, which is mounted on the lamp socket. A lamp; a tube outer diameter of 15 to 18 mm, which is substantially concentric with the first ring-shaped fluorescent lamp and is arranged on substantially the same plane and has a power consumption different from that of the first ring-shaped fluorescent lamp.
And a second ring-shaped fluorescent lamp having a ring outer diameter of 360 to 390 mm; arranged on the instrument body so as to face the first ring-shaped fluorescent lamp, and the first and second sections are arranged so that the central direction of the instrument body is convex. First reflecting means having a reflecting surface that smoothly curves from the middle portion to the center of the ring-shaped fluorescent lamp and a side reflecting surface that is connected to this reflecting surface; and a side reflecting surface of the first reflecting means and an instrument body. Second reflecting means formed on the lower surface of the first and second ring-shaped fluorescent lamps;
And a translucent cover surrounding the first and second reflecting means and attached to the instrument body.
【００２６】本発明では、第２の反射手段は、第１の反
射手段の側反射面および器具本体の下面で構成している
ので、部品数を削減しているとともにコストを低減する
ことができる。In the present invention, the second reflecting means is composed of the side reflecting surface of the first reflecting means and the lower surface of the instrument body, so that the number of parts can be reduced and the cost can be reduced. .
【００２７】請求項５の発明は、引掛シーリングと電気
的および機械的に接続するアダプタと；中央部にアダプ
タを装着する開口が形成された器具本体と；器具本体に
配設されるランプソケットと；ランプソケットに装着さ
れる管外径１５ないし１８ｍｍおよび環外径２８５ない
し３１０ｍｍの第１の環形蛍光ランプと；第１の環形蛍
光ランプに対してほぼ同心円状でかつほぼ同一平面上に
配設されるとともに、第１の環形蛍光ランプの消費電力
と異なる消費電力を有する管外径１５ないし１８ｍｍお
よび環外径３６０ないし３９０ｍｍの第２の環形蛍光ラ
ンプと；第１の環形蛍光ランプに光学的に対向して配設
され、第１の環形蛍光ランプから放射される光を主とし
て器具本体の中央方向に制御する第１の反射手段と；第
１の反射手段に近接して設けられるとともに、第２の環
形蛍光ランプに光学的に対向して配設され、第２の環形
蛍光ランプから放射された光を主として器具本体の外周
方向に制御する第２の反射手段と；器具本体に装着さ
れ、第１および第２の環形蛍光ランプ、第１および第２
の反射手段を包囲する透光性カバーと；を具備している
ことを特徴とする。According to a fifth aspect of the present invention, an adapter electrically and mechanically connected to the hook ceiling; an instrument main body having an opening formed in the center for mounting the adapter; and a lamp socket arranged in the instrument main body. A first ring-shaped fluorescent lamp having a tube outer diameter of 15 to 18 mm and a ring outer diameter of 285 to 310 mm, which is mounted in a lamp socket; and arranged substantially concentrically with the first ring-shaped fluorescent lamp and on substantially the same plane. And a second ring fluorescent lamp having a tube outer diameter of 15 to 18 mm and a ring outer diameter of 360 to 390 mm, which has power consumption different from that of the first ring fluorescent lamp; A first reflecting means which is disposed so as to face the first ring-shaped fluorescent lamp and mainly controls the light emitted from the first ring-shaped fluorescent lamp toward the center of the instrument body; And a second reflecting means that is provided so as to oppose to the second ring-shaped fluorescent lamp and that controls the light emitted from the second ring-shaped fluorescent lamp mainly in the outer peripheral direction of the instrument body. ; Mounted on a fixture body, first and second annular fluorescent lamps, first and second
And a translucent cover that surrounds the reflection means.
【００２８】アダプタは、引掛シーリングと器具本体と
の間に電気的および機械的に介在するものであれば、電
気的接続および機械的接続を一緒にするか、別々にする
か等の接続形態や形状は何でもよい。[0028] The adapter has a connection form such as electrical connection and mechanical connection together or separately, as long as it is electrically and mechanically interposed between the hook ceiling and the instrument body. Any shape can be used.
【００２９】本発明では、請求項１の発明の作用に加え
て、アダプタにより簡単に器具本体を取り外して環形蛍
光ランプの交換や照明器具の清掃を行える。したがっ
て、器具本体が取り付けられているまま無理な状態で環
形蛍光ランプの交換等を行う必要がないので、光源に不
用意な外力が加わることがない。In the present invention, in addition to the operation of the first aspect of the invention, the main body of the fixture can be easily removed by the adapter to replace the ring-shaped fluorescent lamp and clean the lighting fixture. Therefore, it is not necessary to replace the ring-shaped fluorescent lamp in an unreasonable state with the instrument body still attached, so that careless external force is not applied to the light source.
【００３０】請求項６の発明は、引掛シーリングと電気
的および機械的に接続するアダプタと；中央部にアダプ
タを装着する開口が形成された器具本体と；器具本体に
配設されるランプソケットと；ランプソケットに装着さ
れる管外径１５ないし１８ｍｍおよび環外径２８５ない
し３１０ｍｍの第１の環形蛍光ランプと；第１の環形蛍
光ランプに対してほぼ同心円状でかつほぼ同一平面上に
配設されるとともに、第１の環形蛍光ランプの消費電力
と異なる消費電力を有する管外径１５ないし１８ｍｍお
よび環外径３６０ないし３９０ｍｍの第２の環形蛍光ラ
ンプと；第１の環形蛍光ランプに光学的に対向して配設
され、第１の環形蛍光ランプから放射される光を主とし
て器具本体の中央方向に制御する第１の反射手段と；第
１の反射手段に近接して設けられるとともに、第２の環
形蛍光ランプに光学的に対向して配設され、第２の環形
蛍光ランプから放射された光を主として器具本体の外周
方向に制御する第２の反射手段と；器具本体に装着さ
れ、第１および第２の環形蛍光ランプ、第１および第２
の反射手段を包囲する透光性カバーと；器具本体内に配
設され、第１および第２の環形蛍光ランプに電力を供給
する点灯回路装置と；を具備していることを特徴とす
る。According to the invention of claim 6, an adapter electrically and mechanically connected to the hook ceiling; an instrument main body having an opening for mounting the adapter in the central portion; and a lamp socket arranged in the instrument main body. A first ring-shaped fluorescent lamp having a tube outer diameter of 15 to 18 mm and a ring outer diameter of 285 to 310 mm, which is mounted in a lamp socket; and arranged substantially concentrically with the first ring-shaped fluorescent lamp and on substantially the same plane. And a second ring fluorescent lamp having a tube outer diameter of 15 to 18 mm and a ring outer diameter of 360 to 390 mm, which has power consumption different from that of the first ring fluorescent lamp; A first reflecting means which is disposed so as to face the first ring-shaped fluorescent lamp and mainly controls the light emitted from the first ring-shaped fluorescent lamp toward the center of the instrument body; And a second reflecting means that is provided so as to oppose to the second ring-shaped fluorescent lamp and that controls the light emitted from the second ring-shaped fluorescent lamp mainly in the outer peripheral direction of the instrument body. ; Mounted on a fixture body, first and second annular fluorescent lamps, first and second
A light-transmitting cover surrounding the reflecting means; and a lighting circuit device that is disposed in the instrument body and supplies power to the first and second annular fluorescent lamps.
【００３１】点灯回路装置は、並列インバータ、一石イ
ンバータ等環形蛍光ランプを点灯することのできるもの
全てを許容する。The lighting circuit device allows all those capable of lighting a ring-shaped fluorescent lamp such as a parallel inverter and a one-stone inverter.
【００３２】本発明では、請求項３の発明の作用に加え
て、器具本体内に点灯回路装置を配置し第１および第２
の環形蛍光ランプに電力を供給している。According to the present invention, in addition to the function of the third aspect of the invention, the lighting circuit device is arranged in the main body of the fixture.
Powers the ring fluorescent lamp.
【００３３】請求項７の発明は、請求項１ないし６のい
ずれか一記載の照明器具において、第１の反射手段は、
器具本体の中央部に配設される白色部材および白色部材
を装着する反射部材で構成されていることを特徴とす
る。According to a seventh aspect of the invention, in the luminaire according to any one of the first to sixth aspects, the first reflecting means comprises:
It is characterized in that it is composed of a white member arranged in the central portion of the instrument body and a reflecting member for mounting the white member.
【００３４】白色部材は、光を反射するものであればよ
い。したがって、透過する機能をさらに有するものでも
よい。この結果、器具本体の中央部が明るくなり、透光
性カバー表面の輝度および均斉度をさらに向上させてい
る。The white member may be any member that reflects light. Therefore, it may have a function of transmitting light. As a result, the central part of the instrument body becomes brighter, and the brightness and uniformity of the surface of the translucent cover are further improved.
【００３５】[0035]
【発明の実施の形態】以下、本発明の第１の実施の形態
を図１および５を参照して説明する。BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described below with reference to FIGS.
【００３６】図１は、本発明の第１の実施の形態を示す
分解斜視図である。図２は、同じく、断面図である。図
３は、同じく、背面図である。図において、中央部にア
ダプタを装着する開口１ａが形成された器具本体１は、
引掛シーリング２ａと電気的におよび機械的に接続され
たアダプタ２に取り付けられる。アダプタ２の係止手段
２ｂは器具本体１の係合手段に機械的に、コネクタ２ｃ
は器具本体１の放電灯点灯装置９に電気的にそれぞれ接
続されている。FIG. 1 is an exploded perspective view showing a first embodiment of the present invention. FIG. 2 is a sectional view of the same. Similarly, FIG. 3 is a rear view. In the figure, an instrument body 1 having an opening 1a for mounting an adapter in the center is
It is attached to an adapter 2 which is electrically and mechanically connected to the hook ceiling 2a. The locking means 2b of the adapter 2 mechanically engages with the engaging means of the instrument body 1 and the connector 2c.
Are electrically connected to the discharge lamp lighting device 9 of the instrument body 1, respectively.
【００３７】器具本体１に配設されるランプソケット３
には、管外径が２５．５ｍｍ以下である１５ないし１８
ｍｍおよび環外径２８５ないし３１０ｍｍの第１の環形
蛍光ランプ４および管外径が２５．５ｍｍ以下である１
５ないし１８ｍｍおよび環外径３６０ないし３９０ｍｍ
の第２の環形蛍光ランプ５が装着されている。このと
き、第２の環形蛍光ランプ５は、第１の環形蛍光ランプ
４に対してほぼ同心円状にかつほぼ同一平面上になるよ
うに装着される。また、第２の環形蛍光ランプ５の下端
部５ａは、第１の環形蛍光ランプ４の上端部４ａよりも
下側に位置するように配設され、高さ方向で重なってい
るので、器具全体の高さをその分低くすることができ
る。Lamp socket 3 arranged in the main body 1 of the fixture
15 to 18 with an outer diameter of 25.5 mm or less
mm and a first ring-shaped fluorescent lamp 4 having an outer diameter of 285 to 310 mm and an outer diameter of the tube of 25.5 mm or less 1
5 to 18 mm and outer ring diameter 360 to 390 mm
The second ring-shaped fluorescent lamp 5 is mounted. At this time, the second ring-shaped fluorescent lamp 5 is mounted so as to be substantially concentric with the first ring-shaped fluorescent lamp 4 and on the substantially same plane. Further, since the lower end portion 5a of the second ring-shaped fluorescent lamp 5 is disposed below the upper end portion 4a of the first ring-shaped fluorescent lamp 4 and overlaps in the height direction, the entire device The height of can be lowered accordingly.
【００３８】第１および第２の環状蛍光ランプ４，５
は、管外径が２５．５ｍｍ以下の１５ないし１８ｍｍの
ガラスバルブを有し、このバルブ内には希ガスおよび水
銀を有する放電媒体が封入されるとともに、ガラスバル
ブの内壁面には蛍光体被膜が形成され、ガラスバルブの
両端には電極が配設され、さらにガラスバルブの両端間
に跨がって口金４ｂ，５ｂが配設されている。そして、
口金４ｂ，５ｂには、電極に電気的に接続された複数の
口金ピンが、ランプ中心側に傾いて突設されている。な
お、第１の環形蛍光ランプ４の消費電力は、第２の環形
蛍光ランプ５のそれと異なり、本実施の形態では第２の
環形蛍光ランプの方が大きい。First and second annular fluorescent lamps 4, 5
Has a glass bulb of 15 to 18 mm with a tube outer diameter of 25.5 mm or less. A discharge medium containing a rare gas and mercury is enclosed in the bulb, and a phosphor coating on the inner wall surface of the glass bulb. Is formed, electrodes are arranged at both ends of the glass bulb, and caps 4b, 5b are arranged so as to straddle both ends of the glass bulb. And
On the bases 4b and 5b, a plurality of base pins electrically connected to the electrodes are provided so as to project toward the lamp center side. The power consumption of the first ring fluorescent lamp 4 is different from that of the second ring fluorescent lamp 5, and in the present embodiment, the power consumption of the second ring fluorescent lamp is higher.
【００３９】次に、第１の反射手段６は、器具本体１に
配設され、第１の環形蛍光ランプ４から放射される光を
主として器具本体１の中央方向に制御する。すなわち、
第１の反射手段６は、器具本体２の中央方向が凸になる
ように第１および第２の環形蛍光ランプ４，５の中間部
４ｃから中央方向に向かって滑らかにカーブする反射面
を有する。この反射面は、器具本体１の中央部に配設さ
れる白色部材６ａおよび白色部材６ａを装着する反射部
材６ｂで構成されている。また、第１の反射手段６に
は、反射面に連接する側反射面６ｃが形成されている。Next, the first reflecting means 6 is arranged in the instrument body 1 and controls the light emitted from the first ring-shaped fluorescent lamp 4 mainly toward the center of the instrument body 1. That is,
The first reflecting means 6 has a reflecting surface that smoothly curves from the intermediate portion 4c of the first and second ring-shaped fluorescent lamps 4, 5 toward the center so that the center of the instrument body 2 is convex. . This reflecting surface is composed of a white member 6a arranged in the central portion of the instrument body 1 and a reflecting member 6b to which the white member 6a is attached. Further, the first reflecting means 6 is formed with a side reflecting surface 6c which is connected to the reflecting surface.
【００４０】第２の反射手段７は、第１の反射手段６の
側反射面６ｃおよび器具本体１の下面１ｂでなり、第１
の反射手段に近接して器具本体１の外周方向に凹になる
反射面を構成している。そして、第２の環形蛍光ランプ
５から放射された光は、主として器具本体１の外周方向
に制御する。そして、透光性カバー８は器具本体１に装
着され、第１および第２の環形蛍光ランプ４，５、第１
および第２の反射手段６，７を包囲している。The second reflecting means 7 is composed of the side reflecting surface 6c of the first reflecting means 6 and the lower surface 1b of the instrument body 1, and
And a reflecting surface which is concave in the outer peripheral direction of the instrument body 1 in the vicinity of the reflecting means. The light emitted from the second ring-shaped fluorescent lamp 5 is mainly controlled in the outer peripheral direction of the instrument body 1. The translucent cover 8 is attached to the instrument body 1, and the first and second ring-shaped fluorescent lamps 4, 5 and the first
And surrounds the second reflecting means 6, 7.
【００４１】また、第１および第２の反射手段６，７を
次のような反射手段に形成してもよい。第１および第２
の環形蛍光ランプ４，５から放射された光が透光性カバ
ー８を透過し、透光性カバー８（セード）の表面輝度の
最大値ａに対する透光性カバー８の中央部の表面輝度ｂ
の輝度比ｂ／ａが０．５５以上となる。Further, the first and second reflecting means 6 and 7 may be formed as the following reflecting means. First and second
The light radiated from the ring-shaped fluorescent lamps 4 and 5 of the above-mentioned transmits through the translucent cover 8, and the surface luminance b of the central portion of the translucent cover 8 with respect to the maximum surface luminance value a of the translucent cover 8 (sade).
Luminance ratio b / a of 0.55 or more.
【００４２】図４は、同じく、透光性カバー表面の輝度
分布を示すグラフである。図５は、同じく、透光性カバ
ー表面の輝度均斉度を示すグラフである。Similarly, FIG. 4 is a graph showing the luminance distribution on the surface of the transparent cover. Similarly, FIG. 5 is a graph showing the luminance uniformity of the surface of the translucent cover.
【００４３】図によると、管外径が１５ないし１８ｍｍ
の比較的細く輝度の高い第１および第２の環形蛍光ラン
プ４，５を使用しても、透光性カバー８の表面輝度の最
大値ａに対する透光性カバー８の中央部の表面輝度ｂの
輝度比ｂ／ａが０．５５以上となるように反射手段を設
計することができる。したがって、透光性カバー８表面
の輝度および均斉度を向上させることができる。According to the figure, the outer diameter of the pipe is 15 to 18 mm.
Even when the first and second ring-shaped fluorescent lamps 4 and 5 having relatively small and high brightness are used, the surface brightness b of the central portion of the translucent cover 8 with respect to the maximum surface brightness a of the translucent cover 8. The reflecting means can be designed so that the luminance ratio b / a of 0.5 is 0.55 or more. Therefore, the brightness and the uniformity of the surface of the translucent cover 8 can be improved.
【００４４】点灯回路装置９は、器具本体１内に配設さ
れ、第１および第２の環形蛍光ランプ４，５に電力を供
給する。The lighting circuit device 9 is arranged in the instrument body 1 and supplies electric power to the first and second annular fluorescent lamps 4 and 5.
【００４５】本実施の形態では、管外径が１５ないし１
８ｍｍの比較的細い環形蛍光ランプ４，５を使用し、第
１および第２の反射手段６，７を設計し、第１の環形蛍
光ランプ４から放射される光を主として器具本体１の中
央方向に制御するとともに、第２の環形蛍光ランプ５か
ら放射された光を主として器具本体１の外周方向に制御
して透光性カバー８表面の輝度および均斉度を向上させ
るとともに器具の薄形化を図っている。In this embodiment, the outer diameter of the pipe is 15 to 1.
The 8 mm relatively thin ring-shaped fluorescent lamps 4 and 5 are used, the first and second reflecting means 6 and 7 are designed, and the light emitted from the first ring-shaped fluorescent lamp 4 is mainly directed toward the center of the instrument body 1. In addition to the above, the light emitted from the second ring-shaped fluorescent lamp 5 is mainly controlled in the outer peripheral direction of the instrument body 1 to improve the brightness and uniformity of the surface of the translucent cover 8 and to make the instrument thin. I am trying.
【００４６】さらに、アダプタ２により簡単に器具本体
１を取り外して第１および第２の環形蛍光ランプ４，５
の交換や照明器具の清掃を行える。したがって、器具本
体１が取り付けられているまま無理な状態で第１および
第２の環形蛍光ランプ４，５の交換等を行う必要がない
ので、第１および第２の環形蛍光ランプ４，５に不用意
な外力が加わることがない。Further, the instrument body 1 can be easily removed by the adapter 2, and the first and second ring-shaped fluorescent lamps 4, 5
Can be replaced and the lighting equipment can be cleaned. Therefore, since it is not necessary to replace the first and second ring-shaped fluorescent lamps 4 and 5 in an unreasonable state with the instrument body 1 still attached, the first and second ring-shaped fluorescent lamps 4 and 5 can be replaced. No inadvertent external force is applied.
【００４７】以下、本発明の第２の実施の形態を図６お
よび７を参照して説明する。A second embodiment of the present invention will be described below with reference to FIGS. 6 and 7.
【００４８】図６は、本発明の第２の実施の形態を示す
断面図である。図７は、同じく分解斜視図である。な
お、第１の実施の形態と同様の構成は同一符号を用いて
その説明を省略する。FIG. 6 is a sectional view showing a second embodiment of the present invention. FIG. 7 is an exploded perspective view of the same. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.
【００４９】器具本体１の上面の取付面１ｃが形成さ
れ、下面には第１および第２の環形蛍光ランプ４，５が
配設されている。A mounting surface 1c on the upper surface of the instrument body 1 is formed, and first and second ring-shaped fluorescent lamps 4, 5 are arranged on the lower surface.
【００５０】第１の反射手段６は、第１の環形蛍光ラン
プ４から放射される光を主として器具本体１の中央方向
に制御する。すなわち、第１の反射手段６の反射面は、
器具本体１の中央部に配設される白色部材６ａおよび白
色部材６ａの近傍の凹部６ｂで構成されている。The first reflecting means 6 mainly controls the light emitted from the first ring-shaped fluorescent lamp 4 toward the center of the instrument body 1. That is, the reflecting surface of the first reflecting means 6 is
It is composed of a white member 6a arranged in the center of the instrument body 1 and a recess 6b near the white member 6a.
【００５１】器具本体１の中央部には、開口部１ａ、ベ
ビー球１０、アダプタ２などを覆って白色部材６ａが着
脱可能に取り付けられている。A white member 6a is detachably attached to the central portion of the instrument body 1 so as to cover the opening 1a, the baby ball 10, the adapter 2, and the like.
【００５２】この白色部材６ａは、器具本体１の傾斜面
７ａと連続するように、下方へ大きな円弧面でもってな
だらかに突出する形状とされている。なお、天井面から
白色部材６ａの最大突出部までの距離は５０ｍｍ以下に
設定される。The white member 6a is formed in a shape that gently projects downward with a large arc surface so as to be continuous with the inclined surface 7a of the instrument body 1. The distance from the ceiling surface to the maximum protruding portion of the white member 6a is set to 50 mm or less.
【００５３】第２の反射手段７は、第２の環形蛍光ラン
プ５が配設される凹部７ｂおよび取付面１ｂ側へ上昇傾
斜する傾斜面７ａで形成されている。The second reflecting means 7 is formed of a concave portion 7b in which the second ring-shaped fluorescent lamp 5 is arranged and an inclined surface 7a which is inclined upward toward the mounting surface 1b.
【００５４】器具本体１の各反射手段６ｂ，７ｂには内
部に臨んでソケット３，３がそれぞれ配設されている。
このソケット３，３は、反射手段６ｂ，７ｂを通じて斜
め外側へ臨みその斜め方向から第１および第２の環形蛍
光ランプ４，５の口金ピン４ｃが挿入されて電気的に接
続されるとともに、第１および第２の環形蛍光ランプ
４，５の口金４ｂ，５ｂの外周に嵌合して保持するほぼ
Ｃ字状のホルダ部が形成されている。Sockets 3 are provided in the reflecting means 6b and 7b of the instrument body 1 so as to face the inside.
The sockets 3 and 3 are exposed to the outside obliquely through the reflection means 6b and 7b, and the base pins 4c of the first and second ring-shaped fluorescent lamps 4 and 5 are inserted from the oblique direction to be electrically connected. A substantially C-shaped holder portion is formed to be fitted and held on the outer circumferences of the caps 4b and 5b of the first and second ring-shaped fluorescent lamps 4 and 5.
【００５５】また、ソケット３，３の位置とは対称位置
に第１および第２の環形蛍光ランプ４，５をガラスバル
ブの外周に嵌合して保持する断面ほぼＣ字状のランプホ
ルダ４ｃ，５ｃがそれぞれ配設されている。Further, a lamp holder 4c having a substantially C-shaped cross section for fitting and holding the first and second ring-shaped fluorescent lamps 4 and 5 on the outer circumference of the glass bulb at positions symmetrical to the positions of the sockets 3 and 3. 5c are arranged respectively.
【００５６】器具本体１の収納部には、ソケット３，３
の近傍位置において、開口１ａに臨むとともに斜め下方
へ向けてソケットが配設され、ベビー球１０が斜めに嵌
合接続されている。The housing of the instrument body 1 has sockets 3, 3
At a position in the vicinity of, a socket is provided facing the opening 1a and directed obliquely downward, and the baby ball 10 is obliquely fitted and connected.
【００５７】器具本体１の収納部内には、インバータ回
路を有する放電灯点灯灯装置９が配設されている。この
放電灯点灯装置９の電源入力側にはアダプタ２がコネク
タ等で電気的に接続され、出力側には電線などで電気的
に接続されている。A discharge lamp lighting lamp device 9 having an inverter circuit is arranged in the housing portion of the instrument main body 1. The adapter 2 is electrically connected to the power supply input side of the discharge lamp lighting device 9 with a connector or the like, and is electrically connected to the output side with an electric wire or the like.
【００５８】本実施の形態によると、第１および第２の
環形蛍光ランプ４，５は、第１の反射手段６および第２
の反射手段７の凹部６ｂおよび凹部７ｂ内にそれぞれ配
置しているので、器具の薄形化をさらに図ることができ
る。According to this embodiment, the first and second ring-shaped fluorescent lamps 4 and 5 have the first reflecting means 6 and the second reflecting means.
Since they are arranged in the concave portion 6b and the concave portion 7b of the reflecting means 7, the device can be further thinned.
【００５９】次に、本発明の第３の実施の形態を図８お
よび９を参照して説明する。Next, a third embodiment of the present invention will be described with reference to FIGS.
【００６０】図８は、本発明の第３の実施の形態を示す
断面図である。図９は、同じく分解斜視図である。第２
の実施の形態と同様の構成は同一符号を用いてその説明
を省略する。FIG. 8 is a sectional view showing the third embodiment of the present invention. FIG. 9 is an exploded perspective view of the same. Second
The same configurations as those of the embodiment are denoted by the same reference numerals and the description thereof will be omitted.
【００６１】器具本体２の第１の反射手段６ｂおよび第
２の反射手段７ｂの断面形状は、第１および第２の環形
蛍光ランプ４，５の管表面の円弧に比べて大きい円弧に
て形成されている。そして、各反射手段６ｂ，７ｂに各
環形蛍光ランプ４，５を配設した状態では、各反射手段
６ｂ，７ｂの面と各環形蛍光ランプ４，５との間隙が広
く開けられる。そのため、ガラスバルブから各反射手段
６ｂ，７ｂの方向に出る光を反射手段６ｂ，７ｂの内面
で有効に反射させることができる。なお、白色部材６ａ
の縁部が各反射手段６ｂ，７ｂの一部を構成する。The cross-sectional shapes of the first reflecting means 6b and the second reflecting means 7b of the instrument body 2 are formed as arcs larger than the arcs of the tube surfaces of the first and second annular fluorescent lamps 4, 5. Has been done. Then, in a state in which the ring-shaped fluorescent lamps 4 and 5 are arranged on the respective reflecting means 6b and 7b, the gap between the surface of the respective reflecting means 6b and 7b and the respective ring-shaped fluorescent lamps 4 and 5 is widened. Therefore, the light emitted from the glass bulb toward the respective reflecting means 6b, 7b can be effectively reflected by the inner surfaces of the reflecting means 6b, 7b. The white member 6a
The edge portion of each constitutes a part of each reflecting means 6b, 7b.
【００６２】[0062]
【発明の効果】請求項１の発明では、管外径が１５ない
し１８ｍｍの比較的細い環形蛍光ランプを使用し、第１
および第２の反射手段を設計し、第１の環形蛍光ランプ
から放射される光を主として器具本体の中央方向に制御
するとともに、第２の環形蛍光ランプから放射された光
を主として器具本体の外周方向に制御して透光性カバー
表面の輝度および均斉度を向上させるとともに薄形化を
図ることができる。According to the first aspect of the present invention, a relatively thin ring-shaped fluorescent lamp having a tube outer diameter of 15 to 18 mm is used.
By designing the second reflecting means, the light emitted from the first ring-shaped fluorescent lamp is controlled mainly in the central direction of the instrument body, and the light emitted from the second ring-shaped fluorescent lamp is mainly placed on the outer periphery of the instrument body. By controlling the direction, the brightness and the uniformity of the surface of the translucent cover can be improved and the thickness can be reduced.
【００６３】請求項２の発明では、管外径が１５ないし
１８ｍｍの比較的細い環形蛍光ランプを使用し、透光性
カバーの表面輝度の最大値ａに対する透光性カバーの中
央部の表面輝度ｂの輝度比ｂ／ａが０．５５以上となる
ように反射手段を設計しているので、透光性カバー表面
の輝度および均斉度を向上させることができる。According to the second aspect of the present invention, a comparatively thin ring-shaped fluorescent lamp having an outer diameter of 15 to 18 mm is used, and the surface luminance of the central portion of the translucent cover with respect to the maximum value a of the surface luminance of the translucent cover. Since the reflecting means is designed so that the brightness ratio b / a of b is 0.55 or more, the brightness and the uniformity of the surface of the translucent cover can be improved.
【００６４】請求項３の発明では、管外径が１５ないし
１８ｍｍの比較的細い環形蛍光ランプを使用して設計さ
れた第１および第２の反射手段は、第１の環形蛍光ラン
プから放射される光を器具本体の中央方向に制御し、第
２の環形蛍光ランプから放射された光を器具本体の外周
方向に制御して透光性カバー表面の輝度および均斉度を
向上させることができる。According to the third aspect of the present invention, the first and second reflecting means designed by using the relatively thin ring-shaped fluorescent lamp having the outer diameter of the tube of 15 to 18 mm radiate from the first ring-shaped fluorescent lamp. The light emitted from the second ring-shaped fluorescent lamp is controlled in the central direction of the instrument body, and the light emitted from the second ring-shaped fluorescent lamp is controlled in the outer circumferential direction of the instrument body to improve the brightness and the uniformity of the surface of the translucent cover.
【００６５】請求項４の発明では、第２の反射手段は、
第１の反射手段の側反射面および器具本体の下面で構成
しているので、部品数を削減しているとともにコストを
低減することができる。In the invention of claim 4, the second reflecting means is
Since it is composed of the side reflecting surface of the first reflecting means and the lower surface of the instrument body, the number of parts can be reduced and the cost can be reduced.
【００６６】請求項５の発明では、請求項１の発明の効
果に加えて、アダプタにより簡単に器具本体を取り外し
て環形蛍光ランプの交換や照明器具の清掃を行える。し
たがって、器具本体が取り付けられているまま無理な状
態で環形蛍光ランプの交換等を行う必要がないので、光
源に不用意な外力が加わることがない。According to the invention of claim 5, in addition to the effect of the invention of claim 1, the main body of the fixture can be easily removed by the adapter to replace the ring-shaped fluorescent lamp and clean the lighting fixture. Therefore, it is not necessary to replace the ring-shaped fluorescent lamp in an unreasonable state with the instrument body still attached, so that careless external force is not applied to the light source.
【００６７】請求項６の発明では、請求項３の発明の効
果に加えて、器具本体内に点灯回路装置を配置し第１お
よび第２の環形蛍光ランプに電力を供給している。According to the sixth aspect of the invention, in addition to the effect of the third aspect of the invention, a lighting circuit device is arranged in the main body of the instrument to supply power to the first and second annular fluorescent lamps.
【００６８】請求項７の発明では、請求項１ないし６の
いずれか一の照明器具において、器具本体の中央部がさ
らに明るくなり、透光性カバー表面の輝度および均斉度
をさらに向上させることができる。According to a seventh aspect of the invention, in the luminaire according to any one of the first to sixth aspects, the central portion of the luminaire body becomes brighter, and the brightness and the uniformity of the surface of the translucent cover can be further improved. it can.
【図１】図１は、本発明の第１の実施の形態を示す分解
斜視図である。FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.
【図２】図２は、同じく、断面図である。FIG. 2 is a sectional view of the same.
【図３】図３は、同じく、背面図である。FIG. 3 is likewise a rear view.
【図４】図４は、同じく、透光性カバー表面の輝度分布
を示すグラフである。FIG. 4 is likewise a graph showing the luminance distribution on the surface of a translucent cover.
【図５】図５は、同じく、透光性カバー表面の輝度均斉
度を示すグラフである。FIG. 5 is likewise a graph showing the luminance uniformity of the surface of the translucent cover.
【図６】図６は、本発明の第２の実施の形態を示す断面
図である。FIG. 6 is a cross-sectional view showing a second embodiment of the present invention.
【図７】図７は、同じく分解斜視図である。FIG. 7 is an exploded perspective view of the same.
【図８】図８は、本発明の第３の実施の形態を示す断面
図である。FIG. 8 is a sectional view showing a third embodiment of the present invention.
【図９】図９は、同じく分解斜視図である。FIG. 9 is an exploded perspective view of the same.
１…器具本体 ３…ランプソケット ４…第１の環形蛍光ランプ ５…第２の環形蛍光ランプ ６…第１の反射手段 ７…第２の反射手段 ８…透光性カバー DESCRIPTION OF SYMBOLS 1 ... Instrument main body 3 ... Lamp socket 4 ... 1st ring-shaped fluorescent lamp 5 ... 2nd ring-shaped fluorescent lamp 6 ... 1st reflection means 7 ... 2nd reflection means 8 ... Translucent cover
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｆ２１Ｖ 21/02 １０１ Ｆ２１Ｖ 21/02 １０１Ｅ (72)発明者 長谷川 洋 東京都品川区東品川四丁目３番１号東芝ラ イテック株式会社内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Reference number within the agency FI Technical display location F21V 21/02 101 F21V 21/02 101E (72) Inventor Hiroshi Hasegawa 4-chome, Higashishinagawa, Shinagawa-ku, Tokyo No. 3 in Toshiba Litec Co., Ltd.
Claims (7)
ソケットと；ランプソケットに装着される管外径１５な
いし１８ｍｍおよび環外径２８５ないし３１０ｍｍの第
１の環形蛍光ランプと；第１の環形蛍光ランプに対して
ほぼ同心円状でかつほぼ同一平面上に配設されるととも
に、第１の環形蛍光ランプの消費電力と異なる消費電力
を有する管外径１５ないし１８ｍｍおよび環外径３６０
ないし３９０ｍｍの第２の環形蛍光ランプと；第１の環
形蛍光ランプに光学的に対向して配設され、第１の環形
蛍光ランプから放射される光を主として器具本体の中央
方向に制御する第１の反射手段と；第１の反射手段に近
接して設けられるとともに、第２の環形蛍光ランプに光
学的に対向して配設され、第２の環形蛍光ランプから放
射された光を主として器具本体の外周方向に制御する第
２の反射手段と；器具本体に装着され、第１および第２
の環形蛍光ランプ、第１および第２の反射手段を包囲す
る透光性カバーと；を具備していることを特徴とする照
明器具。1. A fixture main body; a lamp socket disposed in the fixture main body; a first ring-shaped fluorescent lamp having a tube outer diameter of 15 to 18 mm and a ring outer diameter of 285 to 310 mm, which is mounted in the lamp socket; Tube outer diameter 15 to 18 mm and ring outer diameter 360, which are arranged substantially concentrically with respect to the ring-shaped fluorescent lamp and are arranged on substantially the same plane, and have power consumption different from that of the first ring-shaped fluorescent lamp.
A second ring-shaped fluorescent lamp of 390 mm to 390 mm; and a second ring-shaped fluorescent lamp disposed optically opposite to the first ring-shaped fluorescent lamp to control the light emitted from the first ring-shaped fluorescent lamp mainly toward the center of the instrument body. A first reflecting means; provided in the vicinity of the first reflecting means and arranged to optically oppose the second ring-shaped fluorescent lamp, and mainly emits light emitted from the second ring-shaped fluorescent lamp. Second reflecting means for controlling in the outer peripheral direction of the main body; first and second mounted on the instrument main body
A ring-shaped fluorescent lamp, and a translucent cover that surrounds the first and second reflecting means.
ソケットと；ランプソケットに装着される管外径１５な
いし１８ｍｍおよび環外径２８５ないし３１０ｍｍの第
１の環形蛍光ランプと；第１の環形蛍光ランプに対して
ほぼ同心円状でかつほぼ同一平面上に配設されるととも
に、第１の環形蛍光ランプの消費電力と異なる消費電力
を有する管外径１５ないし１８ｍｍおよび環外径３６０
ないし３９０ｍｍの第２の環形蛍光ランプと；第１およ
び第２の環形蛍光ランプを覆う透光性カバーと；第１お
よび第２の環形蛍光ランプから放射された光が透光性カ
バーを透過し、透光性カバーの表面輝度の最大値ａに対
する透光性カバーの中央部の表面輝度ｂの輝度比ｂ／ａ
が０．５５以上となるように器具本体に配設された反射
手段と；を具備していることを特徴とする照明器具。2. A fixture main body; a lamp socket provided in the fixture main body; a first ring-shaped fluorescent lamp having a tube outer diameter of 15 to 18 mm and an outer ring diameter of 285 to 310 mm, which is attached to the lamp socket; Tube outer diameter 15 to 18 mm and ring outer diameter 360, which are arranged substantially concentrically with respect to the ring-shaped fluorescent lamp and are arranged on substantially the same plane, and have power consumption different from that of the first ring-shaped fluorescent lamp.
A second ring-shaped fluorescent lamp of 390 mm to 390 mm; a translucent cover covering the first and second ring-shaped fluorescent lamps; light emitted from the first and second ring-shaped fluorescent lamps transmitted through the translucent cover. , The brightness ratio b / a of the surface brightness b of the central portion of the transparent cover to the maximum value a of the surface brightness of the transparent cover.
And a reflection means disposed in the main body of the equipment so that the ratio is 0.55 or more.
ソケットと；ランプソケットに装着される管外径１５な
いし１８ｍｍおよび環外径２８５ないし３１０ｍｍの第
１の環形蛍光ランプと；第１の環形蛍光ランプに対して
ほぼ同心円状でかつほぼ同一平面上に配設されるととも
に、第１の環形蛍光ランプの消費電力と異なる消費電力
を有する管外径１５ないし１８ｍｍおよび環外径３６０
ないし３９０ｍｍの第２の環形蛍光ランプと；第１の環
形蛍光ランプに対向するように器具本体に配設され、器
具本体の中央方向が凸になるように第１および第２の環
形蛍光ランプの中間部から中央方向に向かって滑らかに
カーブする反射面を有する第１の反射手段と；第１の反
射手段に近接し、器具本体の外周方向に向かって凹にな
る反射面を有する第２の反射手段と；第１および第２の
環形蛍光ランプ、第１および第２の反射手段を包囲して
器具本体に装着される透光性カバーと；を具備している
ことを特徴とする照明器具。3. A fixture main body; a lamp socket provided in the fixture main body; a first annular fluorescent lamp having a tube outer diameter of 15 to 18 mm and an outer ring diameter of 285 to 310 mm, which is mounted in the lamp socket; Tube outer diameter 15 to 18 mm and ring outer diameter 360, which are arranged substantially concentrically with respect to the ring-shaped fluorescent lamp and are arranged on substantially the same plane, and have power consumption different from that of the first ring-shaped fluorescent lamp.
A second ring-shaped fluorescent lamp of 390 mm to 390 mm; and a second ring-shaped fluorescent lamp of the first and second ring-shaped fluorescent lamps arranged so as to face the first ring-shaped fluorescent lamp so that the central direction of the tool body is convex. A first reflecting means having a reflecting surface that smoothly curves from the middle portion toward the center; and a second reflecting surface having a reflecting surface that is close to the first reflecting means and is concave toward the outer peripheral direction of the instrument body. A luminaire comprising: a reflecting means; a first and a second ring-shaped fluorescent lamp, and a translucent cover surrounding the first and the second reflecting means and attached to the body of the luminaire. .
ソケットと；ランプソケットに装着される管外径１５な
いし１８ｍｍおよび環外径２８５ないし３１０ｍｍの第
１の環形蛍光ランプと；第１の環形蛍光ランプに対して
ほぼ同心円状でかつほぼ同一平面上に配設されるととも
に、第１の環形蛍光ランプの消費電力と異なる消費電力
を有する管外径１５ないし１８ｍｍおよび環外径３６０
ないし３９０ｍｍの第２の環形蛍光ランプと；第１の環
形蛍光ランプに対向するように器具本体に配設され、器
具本体の中央方向が凸になるように第１および第２の環
形蛍光ランプの中間部から中央方向に向かって滑らかに
カーブする反射面およびこの反射面に連接する側反射面
を有する第１の反射手段と；第１の反射手段の側反射面
および器具本体の下面で構成された第２の反射手段と；
第１および第２の環形蛍光ランプ、第１および第２の反
射手段を包囲して器具本体に装着される透光性カバー
と；を具備していることを特徴とする照明器具。4. A lamp body; a lamp socket arranged in the lamp body; a first ring-shaped fluorescent lamp having a tube outer diameter of 15 to 18 mm and an outer ring diameter of 285 to 310 mm, which is mounted on the lamp socket; Tube outer diameter 15 to 18 mm and ring outer diameter 360, which are arranged substantially concentrically with respect to the ring-shaped fluorescent lamp and are arranged on substantially the same plane, and have power consumption different from that of the first ring-shaped fluorescent lamp.
A second ring-shaped fluorescent lamp of 390 mm to 390 mm; and a second ring-shaped fluorescent lamp of the first and second ring-shaped fluorescent lamps arranged so as to face the first ring-shaped fluorescent lamp so that the central direction of the tool body is convex. A first reflecting means having a reflecting surface that smoothly curves from the middle portion toward the center and a side reflecting surface that is connected to this reflecting surface; and a side reflecting surface of the first reflecting means and a lower surface of the instrument body. Second reflecting means;
A luminaire comprising: a first and a second ring-shaped fluorescent lamp; a translucent cover surrounding the first and the second reflecting means and attached to the body of the luminaire;
続するアダプタと；中央部にアダプタを装着する開口が
形成された器具本体と；器具本体に配設されるランプソ
ケットと；ランプソケットに装着される管外径１５ない
し１８ｍｍおよび環外径２８５ないし３１０ｍｍの第１
の環形蛍光ランプと；第１の環形蛍光ランプに対してほ
ぼ同心円状でかつほぼ同一平面上に配設されるととも
に、第１の環形蛍光ランプの消費電力と異なる消費電力
を有する管外径１５ないし１８ｍｍおよび環外径３６０
ないし３９０ｍｍの第２の環形蛍光ランプと；第１の環
形蛍光ランプに光学的に対向して配設され、第１の環形
蛍光ランプから放射される光を主として器具本体の中央
方向に制御する第１の反射手段と；第１の反射手段に近
接して設けられるとともに、第２の環形蛍光ランプに光
学的に対向して配設され、第２の環形蛍光ランプから放
射された光を主として器具本体の外周方向に制御する第
２の反射手段と；器具本体に装着され、第１および第２
の環形蛍光ランプ、第１および第２の反射手段を包囲す
る透光性カバーと；を具備していることを特徴とする照
明器具。5. An adapter electrically and mechanically connected to a hook ceiling; a fixture main body having an opening for mounting the adapter in a central portion; a lamp socket arranged in the fixture main body; With a pipe outer diameter of 15 to 18 mm and an outer ring diameter of 285 to 310 mm
A ring-shaped fluorescent lamp, which has a tube outer diameter 15 which is substantially concentric with the first ring-shaped fluorescent lamp and is arranged on substantially the same plane, and which has a power consumption different from that of the first ring-shaped fluorescent lamp. To 18 mm and outer ring diameter 360
A second ring-shaped fluorescent lamp of 390 mm to 390 mm; and a second ring-shaped fluorescent lamp disposed optically opposite to the first ring-shaped fluorescent lamp to control the light emitted from the first ring-shaped fluorescent lamp mainly toward the center of the instrument body. A first reflecting means; provided in the vicinity of the first reflecting means and arranged to optically oppose the second ring-shaped fluorescent lamp, and mainly emits light emitted from the second ring-shaped fluorescent lamp. Second reflecting means for controlling in the outer peripheral direction of the main body; first and second mounted on the instrument main body
A ring-shaped fluorescent lamp, and a translucent cover that surrounds the first and second reflecting means.
続するアダプタと；中央部にアダプタを装着する開口が
形成された器具本体と；器具本体に配設されるランプソ
ケットと；ランプソケットに装着される管外径１５ない
し１８ｍｍおよび環外径２８５ないし３１０ｍｍの第１
の環形蛍光ランプと；第１の環形蛍光ランプに対してほ
ぼ同心円状でかつほぼ同一平面上に配設されるととも
に、第１の環形蛍光ランプの消費電力と異なる消費電力
を有する管外径１５ないし１８ｍｍおよび環外径３６０
ないし３９０ｍｍの第２の環形蛍光ランプと；第１の環
形蛍光ランプに光学的に対向して配設され、第１の環形
蛍光ランプから放射される光を主として器具本体の中央
方向に制御する第１の反射手段と；第１の反射手段に近
接して設けられるとともに、第２の環形蛍光ランプに光
学的に対向して配設され、第２の環形蛍光ランプから放
射された光を主として器具本体の外周方向に制御する第
２の反射手段と；器具本体に装着され、第１および第２
の環形蛍光ランプ、第１および第２の反射手段を包囲す
る透光性カバーと；器具本体内に配設され、第１および
第２の環形蛍光ランプに電力を供給する点灯回路装置
と；を具備していることを特徴とする照明器具。6. An adapter electrically and mechanically connected to a hook ceiling; an instrument body having an opening formed in the center for attaching the adapter; a lamp socket arranged in the instrument body; With a pipe outer diameter of 15 to 18 mm and an outer ring diameter of 285 to 310 mm
A ring-shaped fluorescent lamp, which has a tube outer diameter 15 which is substantially concentric with the first ring-shaped fluorescent lamp and is arranged on substantially the same plane, and which has a power consumption different from that of the first ring-shaped fluorescent lamp. To 18 mm and outer ring diameter 360
A second ring-shaped fluorescent lamp of 390 mm to 390 mm; and a second ring-shaped fluorescent lamp disposed optically opposite to the first ring-shaped fluorescent lamp to control the light emitted from the first ring-shaped fluorescent lamp mainly toward the center of the instrument body. A first reflecting means; provided in the vicinity of the first reflecting means and arranged to optically oppose the second ring-shaped fluorescent lamp, and mainly emits light emitted from the second ring-shaped fluorescent lamp. Second reflecting means for controlling in the outer peripheral direction of the main body; first and second mounted on the instrument main body
A ring-shaped fluorescent lamp, a translucent cover surrounding the first and second reflecting means; a lighting circuit device disposed in the instrument body and supplying power to the first and second ring-shaped fluorescent lamps. A luminaire characterized by being provided.
設される白色部材および白色部材を装着する反射部材で
構成されていることを特徴とする請求項１ないし６のい
ずれか一記載の照明器具。7. The first reflecting means is composed of a white member disposed in the central portion of the instrument body and a reflecting member to which the white member is attached, according to any one of claims 1 to 6. The luminaire according to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09320896A JP3903224B2 (en) | 1995-03-28 | 1996-03-22 | lighting equipment |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7021195 | 1995-03-28 | ||
| JP7021095 | 1995-03-28 | ||
| JP7-70210 | 1995-03-28 | ||
| JP7-70211 | 1995-03-28 | ||
| JP09320896A JP3903224B2 (en) | 1995-03-28 | 1996-03-22 | lighting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08329724A true JPH08329724A (en) | 1996-12-13 |
| JP3903224B2 JP3903224B2 (en) | 2007-04-11 |
Family
ID=27300268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09320896A Expired - Fee Related JP3903224B2 (en) | 1995-03-28 | 1996-03-22 | lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3903224B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008305570A (en) * | 2007-06-05 | 2008-12-18 | Nec Lighting Ltd | Lighting device and discharge lamp |
| JP2010524196A (en) * | 2007-04-10 | 2010-07-15 | レダライト アーキテクチュラル プロダクツ，インコーポレイテッド | Light control device exhibiting batwing light intensity distribution in upper and lower ranges |
| CN102844614A (en) * | 2010-04-13 | 2012-12-26 | 夏普株式会社 | Illumination apparatus |
| JP2013025993A (en) * | 2011-07-20 | 2013-02-04 | Panasonic Corp | Lighting fixture |
| JP2013055014A (en) * | 2011-09-06 | 2013-03-21 | Panasonic Corp | Lighting fixture |
| JP2021007114A (en) * | 2020-10-26 | 2021-01-21 | 東芝ライテック株式会社 | Lighting fixture |
-
1996
- 1996-03-22 JP JP09320896A patent/JP3903224B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010524196A (en) * | 2007-04-10 | 2010-07-15 | レダライト アーキテクチュラル プロダクツ，インコーポレイテッド | Light control device exhibiting batwing light intensity distribution in upper and lower ranges |
| JP2008305570A (en) * | 2007-06-05 | 2008-12-18 | Nec Lighting Ltd | Lighting device and discharge lamp |
| CN102844614A (en) * | 2010-04-13 | 2012-12-26 | 夏普株式会社 | Illumination apparatus |
| JP2013025993A (en) * | 2011-07-20 | 2013-02-04 | Panasonic Corp | Lighting fixture |
| JP2013055014A (en) * | 2011-09-06 | 2013-03-21 | Panasonic Corp | Lighting fixture |
| JP2021007114A (en) * | 2020-10-26 | 2021-01-21 | 東芝ライテック株式会社 | Lighting fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3903224B2 (en) | 2007-04-11 |
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