JP3882331B2 - lighting equipment - Google Patents

lighting equipment Download PDF

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Publication number
JP3882331B2
JP3882331B2 JP11312498A JP11312498A JP3882331B2 JP 3882331 B2 JP3882331 B2 JP 3882331B2 JP 11312498 A JP11312498 A JP 11312498A JP 11312498 A JP11312498 A JP 11312498A JP 3882331 B2 JP3882331 B2 JP 3882331B2
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JP
Japan
Prior art keywords
light guide
guide member
piece
light
vertical direction
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 - Lifetime
Application number
JP11312498A
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Japanese (ja)
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JPH11306817A (en
Inventor
靖夫 志水
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP11312498A priority Critical patent/JP3882331B2/en
Publication of JPH11306817A publication Critical patent/JPH11306817A/en
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Publication of JP3882331B2 publication Critical patent/JP3882331B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は、誘導灯等の照明器具に関する。
【0002】
【従来の技術】
従来、この種の照明器具として図4及び図5に示すものが存在する。このものは、ランプA と、鉛直方向に沿って配設されてランプA からの光を伝達する導光部材B と、鉛直方向に沿って導光部材B に重合した状態で配設される表示部材C と、導光部材B を載置して支持する支持部材D と、を備えている。詳しくは、このものの支持部材D は、表示部材C に平行な平行片D1及びその平行片D1の三方の周囲から立設された立設片D2からなる。
【0003】
このものは、前述した立設片D2のうち、鉛直方向の最下部に位置する立設片D2の内方面からなる載置面D3に導光部材B を載置した後に、支持部材D の平行片D1に対向する対向面とは反対側の表面に、表示部材C が接着により配設され、その後、ランプA 及びそのランプA の光を反射させる断面略U字状のランプ反射板E が配設されて、その配設されたランプ反射板E により、表示部材C が配設された導光部材B 及び支持部材D の平行片D1が挟持されることによって、導光部材B が固定される。
【0004】
【発明が解決しようとする課題】
上記した照明器具にあっては、導光部材B は、断面略U字状のランプ反射板E により、支持部材D の平行片D1と共に挟持されて固定されるまでは、支持部材D の平行片D1とは反対側の方向へ倒れ込んだときに、その倒れ込みに何ら規制がされないから、載置面D3から落下してしまう。そのために、載置面D3から落下しないよう留意しながら、各部材の配設作業をしなければならず、配設作業の作業性がそれ程高くならないという問題点があった。
【0005】
本発明は、上記の点に着目してなされたもので、その目的とするところは、配設作業の作業性を高くすることができる照明器具を提供することにある。
【0006】
【課題を解決するための手段】
上記した課題を解決するために、請求項1記載の発明は、ランプと、鉛直方向に沿って配設されて上端部に設置されたランプからの光を伝達する導光部材と、鉛直方向に沿って導光部材に重合した状態で配設される表示部材と、導光部材を載置して支持する支持部材と、を備えた照明器具において、前記導光部材は中央片および中央片の上部から側方へ延設された延設片を有した略 T 字状に形成されており、前記支持部材は前記鉛直方向から見たときに前記導光部材を周回して包囲する包囲部が設けられ、前記包囲部は前記導光部材の上端部を周回して包囲しており、かつ、前記導光部材内で伝達された光を上端部から漏れないように遮光する遮光片を有する構成にしている。
【0007】
請求項2記載の発明は、請求項1記載の発明において、前記包囲部と前記導光部材とを係合する係合手段を前記延設片とその対向位置にある前記包囲部とに設けた構成にしている。
【0008】
請求項3記載の発明は、請求項2記載の発明において、前記係合手段は、鉛直方向から見たときに、非点対称となる位置に設けられた構成にしている。
【0010】
【発明の実施の形態】
本発明の第1実施形態を図1及び図2に基づいて以下に説明する。1 は導光部材で、中央片1a及び両延設片1b,1b により、一端部が幅広の略T字状に形成され、鉛直方向に沿って配設された状態で、この導光部材1 の近傍に配設されたランプ2 からの光を伝達する。3 は集光レンズシートで、導光部材1 によって伝達された光を集光する。
【0011】
4 は表示部材で、中央片4a及び両対向片4b,4b を有して、断面略コ字状に形成され、集光レンズシート3 を介して導光部材1 上に設けられることにより、鉛直方向に沿って導光部材1 に重合した状態で配設され、導光部材1 により伝達されたランプ2 からの光、詳しくは、集光レンズシート3 によって集光された光によって、表示部材4 に記された表示内容が明るく表示される。この表示部材4 は、導光部材1 の中央片1aに設けられた凸部1cが、集光レンズシート3 に設けられた貫通孔3aを貫通した状態で嵌合する凹部4cを中央片4aの内方面に設けている。従って、導光部材1 と表示部材4 との間に集光レンズシート3 が固定されることとなる。
【0012】
5 は支持部材で、PMMA樹脂及びPC樹脂の混合体からなり、TiO2 が配合されることによって、不透過性及び高反射性を有している。この支持部材5 は、表示部材4 に平行な平行片5a及びその平行片5aの三方の周囲から立設された立設片5bを有し、この立設片5bのうち、鉛直方向の最下部に位置する立設片5bの内方面からなる載置面5cに導光部材1 が載置され、鉛直方向から見たときに、載置された導光部材1 の上端部を周回して包囲する筒状の包囲部5dが設けられている。この包囲部5dのうち、表示部材に隣接する部分は、導光部材1 内で伝達された光が上端部から漏れないよう遮光する遮光片5eとなっており、光が導光部材1 の表面と臨界角をなすよう伝達されても、導光部材1 表面から散逸しないようになっている。
【0013】
この包囲部5dの長手方向の内寸は、導光部材1 の幅広部分の幅寸法と略同一寸法となっており、導光部材1 が他端部側から包囲部5dに挿入されて、導光部材1 が支持部材5 の載置面5cに載置されたときに、導光部材1 の幅広部分が包囲部5d内に位置することとなる。この包囲部5dは、導光部材1 の両延設片1b,1b の一面のみから突設された断面角型の突設部1dに係合する係合孔5fが穿設され、この突設部1d及び係合孔5fによって、包囲部5dと導光部材1 とを係合する係合手段10が構成される。また、上記したように、導光部材1 は、その両延設片1b,1b の一面のみに突設部1dが突設されているので、鉛直方向から見たときに非点対称となっている。
【0014】
6 はランプ反射板で、断面略U字型に形成され、包囲部5dの内方に配設された状態で、ランプ2 からの光を導光部材1 へ向かって反射する。
【0015】
かかる照明器具にあっては、導光部材1 は、支持部材5 から落下する方向へ倒れ込んでも、その導光部材1 を周回して包囲するよう支持部材5 に設けられた包囲部5dにより、倒れ込みが規制されるから、支持部材5 から落下することがなくなり、載置面5cから落下しないよう留意しながら各部材の配設作業をしなくてもよくなり、配設作業の作業性を高くすることができる。
【0016】
また、導光部材1 は、その上端部が包囲部5dにより周回して包囲されているから、ランプ2 からの光が上端部から漏れるのを防止することができる。
また、係合手段10によって、包囲部5dと導光部材1 とが係合するから、支持部材5 に載置される導光部材1 の位置決めがやり易くなる。
【0017】
また、導光部材1 は、鉛直方向から見て非点対称であるから、支持部材5 に載置して支持させるときに、所定の状態から180°回転させて裏表逆の状態で配設してしまうというな誤作業をなくすことができる。
【0018】
次に、本発明の第2実施形態を図3に基づいて以下に説明する。なお、第1実施形態と実質的に同一の機能を有する部材には同一の符号を付し、第1実施形態と異なるところのみ記す。第1実施形態では、係合手段10は、導光部材1 に突設された突設部1d及び包囲部5dに設けられた係合孔5fによって、包囲部5dと導光部材1 とを係合するが構成されているのに対し、本実施形態では、導光部材1 に設けられた非貫通の係合孔5f及び包囲部5dに突設された突設部1dによって、包囲部5dと導光部材1 とを係合するが構成されている。
【0019】
かかる照明器具にあっては、第1実施形態と同一の効果を奏することができる。
【0020】
なお、第1及び第2実施形態では、包囲部5dは、導光部材1 の上端部を周回して包囲するよう設けられているが、例えば、導光部材1 の中央部を周回して包囲するよう設けられてもよい。
【0021】
また、包囲部5dと導光部材1 とを係合する係合手段10が設けられているが、係合手段10が設けられたものに限るものではない。
【0022】
また、第1及び第2実施形態では、導光部材1 は、鉛直方向から見たときに非点対称であるが、非点対称のものに限るものではない。
【0023】
また、第1及び第2実施形態では、導光部材1 の中央片1aに凸部1cが設けられ、その凸部1cが、表示部材4 の中央片4aの内方面に設けられた凹部4c嵌合する構成となっているが、表示部材4 の中央片4aの内方面に凸部が設けられ、その凸部が、導光部材1 の中央片1aにに設けられた凹部4c嵌合する構成となっていても、同様の効果を奏することができる。
【0024】
【発明の効果】
請求項1記載の発明は、導光部材は、支持部材から落下する方向へ倒れ込んでも、その導光部材を周回して包囲するよう支持部材に設けられた包囲部により、倒れ込みが規制されるから、支持部材から落下することがなくなり、載置面から落下しないよう留意しながら各部材の配設作業をしなくてもよくなり、配設作業の作業性を高くすることができ、導光部材は、その上端部が包囲部により周回して包囲されているとともに、包囲部は遮光片を有しているので、ランプからの光が上端部から漏れるのを防止することができる。
【0025】
請求項2記載の発明は、請求項1記載の発明の効果に加えて、係合手段によって、包囲部と導光部材とが係合するから、支持部材に載置される導光部材の位置決めがやり易くなる。
【0026】
請求項4記載の発明は、請求項2記載の発明の効果に加えて、係合手段は、鉛直方向から見たときに、非点対称であるから、支持部材に載置して支持させるときに、所定の状態から180°回転させて裏表逆の状態で配設してしまうというな誤作業をなくすことができる
【図面の簡単な説明】
【図1】本発明の第1実施形態の分解斜視図である。
【図2】同上の断面図である。
【図3】本発明の第2実施形態の分解斜視図である。
【図4】従来例の分解斜視図である。
【図5】同上の部分断面図である。
【符号の説明】
1 導光部材
2 ランプ
4 表示部材
5 支持部材
5d 包囲部
10 係合手段
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lighting fixture such as a guide lamp.
[0002]
[Prior art]
Conventionally, there exist what is shown in FIG.4 and FIG.5 as this kind of lighting fixture. This lamp includes a lamp A, a light guide member B that is disposed along the vertical direction and transmits light from the lamp A, and a display that is disposed in a superposed state on the light guide member B along the vertical direction. A member C; and a support member D on which the light guide member B is placed and supported. Specifically, the support member D of this is composed of a parallel piece D 1 parallel to the display member C 1 and an upright piece D 2 erected from the three sides of the parallel piece D 1 .
[0003]
This thing is of the standing piece D 2 described above, after placing the guide member B in surface D 3 mounting comprising an inner surface of the standing piece D 2 positioned at the bottom of the vertical direction, the support member The display member C is disposed on the surface opposite to the surface facing the parallel piece D 1 of D by adhesion, and then the lamp A and the lamp reflection having a substantially U-shaped cross section for reflecting the light of the lamp A 1 a plate E is arranged, by its disposed ramp reflector E, by parallel strips D 1 of the light guide member B display member C is provided and the support member D is held, the light guide member B is fixed.
[0004]
[Problems to be solved by the invention]
In the lighting apparatus described above, the light guide member B is parallel to the support member D until it is clamped and fixed together with the parallel piece D 1 of the support member D by the lamp reflector E having a substantially U-shaped cross section. when the piece D 1 which fell dramatically to the opposite direction, no do not been restricted to the falling, thus fall from the mounting surface D 3. Therefore, keeping in mind not to fall from the mounting surface D 3, must distribution設作industry each member, workability distribution設作industry there is a problem that not so high.
[0005]
The present invention has been made paying attention to the above points, and an object of the present invention is to provide a luminaire that can improve the workability of the disposition work.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problem, the invention described in claim 1 is directed to a lamp, a light guide member that is disposed along the vertical direction and that transmits light from the lamp installed at the upper end, and a vertical direction. And a support member for mounting and supporting the light guide member , the light guide member includes a central piece and a central piece. It is formed in a substantially T shape having an extending piece extending from the upper side to the side, and the support member has an encircling portion that surrounds and surrounds the light guide member when viewed from the vertical direction. The surrounding portion surrounds and surrounds the upper end portion of the light guide member, and includes a light shielding piece that shields light transmitted in the light guide member so as not to leak from the upper end portion. I have to.
[0007]
According to a second aspect of the present invention, in the first aspect of the present invention, an engagement means for engaging the surrounding portion and the light guide member is provided on the extending piece and the surrounding portion at a position opposite to the extending piece. It has a configuration.
[0008]
According to a third aspect of the present invention, in the second aspect of the present invention, the engaging means is provided at a position that is asymmetrical when viewed from the vertical direction .
[0010]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described below with reference to FIGS. 1 and 2. 1 is a light guide member, and the light guide member 1 is formed in a state in which one end portion is formed in a wide and substantially T-shape by the central piece 1a and the extending pieces 1b and 1b and is arranged along the vertical direction. Transmits light from the lamp 2 disposed in the vicinity of. A condensing lens sheet 3 condenses the light transmitted by the light guide member 1.
[0011]
4 is a display member having a central piece 4a and both opposing pieces 4b and 4b, formed in a substantially U-shaped cross section, and provided on the light guide member 1 through the condensing lens sheet 3, thereby vertically The display member 4 is arranged by being superposed on the light guide member 1 along the direction and transmitted from the lamp 2 transmitted by the light guide member 1, more specifically, by the light condensed by the condenser lens sheet 3. The display content marked in is displayed brightly. This display member 4 has a concave portion 4c fitted in a state where the convex portion 1c provided on the central piece 1a of the light guide member 1 penetrates the through-hole 3a provided on the condensing lens sheet 3, and the central piece 4a. It is provided in the inward direction. Therefore, the condensing lens sheet 3 is fixed between the light guide member 1 and the display member 4.
[0012]
Reference numeral 5 denotes a support member which is made of a mixture of PMMA resin and PC resin, and has opacity and high reflectivity when TiO 2 is blended. The support member 5 has a parallel piece 5a parallel to the display member 4 and a standing piece 5b erected from three sides of the parallel piece 5a. Of the standing pieces 5b, the lowermost part in the vertical direction The light guide member 1 is placed on the placement surface 5c, which is the inner surface of the standing piece 5b located at the center, and surrounds the upper end portion of the placed light guide member 1 when viewed from the vertical direction. A cylindrical surrounding portion 5d is provided. A portion of the surrounding portion 5d adjacent to the display member is a light-shielding piece 5e that shields light transmitted in the light guide member 1 from leaking from the upper end portion, and the light is on the surface of the light guide member 1. Even when transmitted to form a critical angle, the light guide member 1 is not dissipated from the surface.
[0013]
The inner dimension in the longitudinal direction of the surrounding portion 5d is substantially the same as the width of the wide portion of the light guide member 1, and the light guide member 1 is inserted into the surrounding portion 5d from the other end side and guided. When the optical member 1 is placed on the placement surface 5c of the support member 5, the wide portion of the light guide member 1 is located in the surrounding portion 5d. The surrounding portion 5d is formed with an engagement hole 5f that engages with a protruding portion 1d having a square cross section protruding from only one surface of the both extending pieces 1b, 1b of the light guide member 1. The engagement means 10 that engages the surrounding portion 5d and the light guide member 1 is configured by the portion 1d and the engagement hole 5f. Further, as described above, the light guide member 1 has the projecting portion 1d projecting only on one surface of both the extending pieces 1b, 1b. Yes.
[0014]
A lamp reflector 6 is formed in a substantially U-shaped cross section, and reflects light from the lamp 2 toward the light guide member 1 in a state of being disposed inside the surrounding portion 5d.
[0015]
In such a lighting apparatus, even if the light guide member 1 falls in the direction of dropping from the support member 5, the light guide member 1 falls down by the surrounding portion 5d provided on the support member 5 so as to surround and surround the light guide member 1. Therefore, it is not necessary to dispose each member while paying attention not to drop from the mounting surface 5c, so that the workability of the disposition work is increased. be able to.
[0016]
Further, since the upper end portion of the light guide member 1 is surrounded by the surrounding portion 5d, the light from the lamp 2 can be prevented from leaking from the upper end portion.
Further, since the surrounding portion 5d and the light guide member 1 are engaged by the engaging means 10, the light guide member 1 placed on the support member 5 can be easily positioned.
[0017]
Further, since the light guide member 1 is asymmetric with respect to the vertical direction, when placed on the support member 5 and supported, the light guide member 1 is rotated 180 ° from a predetermined state and disposed in a reverse state. It is possible to eliminate mistakes such as
[0018]
Next, a second embodiment of the present invention will be described below based on FIG. In addition, the same code | symbol is attached | subjected to the member which has the function substantially the same as 1st Embodiment, and only the place different from 1st Embodiment is described. In the first embodiment, the engaging means 10 engages the surrounding portion 5d and the light guide member 1 by the protruding portion 1d protruding from the light guide member 1 and the engaging hole 5f provided in the surrounding portion 5d. On the other hand, in this embodiment, the non-penetrating engagement hole 5f provided in the light guide member 1 and the protruding portion 1d protruding from the surrounding portion 5d It is configured to engage the light guide member 1.
[0019]
In such a lighting fixture, the same effect as the first embodiment can be obtained.
[0020]
In the first and second embodiments, the surrounding portion 5d is provided so as to surround and surround the upper end portion of the light guide member 1, but for example, surrounds and surrounds the central portion of the light guide member 1 May be provided.
[0021]
Further, although the engaging means 10 for engaging the surrounding portion 5d and the light guide member 1 is provided, the present invention is not limited to the one provided with the engaging means 10.
[0022]
In the first and second embodiments, the light guide member 1 is astigmatic when viewed from the vertical direction, but is not limited to asymmetry.
[0023]
In the first and second embodiments, the convex portion 1c is provided on the central piece 1a of the light guide member 1, and the convex portion 1c is fitted into the concave portion 4c provided on the inner surface of the central piece 4a of the display member 4. However, the convex portion is provided on the inner surface of the central piece 4a of the display member 4, and the convex portion is engaged with the concave portion 4c provided in the central piece 1a of the light guide member 1. Even if it becomes, it can have the same effect.
[0024]
【The invention's effect】
In the first aspect of the invention, even if the light guide member falls in the direction of falling from the support member, the fall of the light guide member is restricted by the surrounding portion provided on the support member so as to surround and surround the light guide member. It is not necessary to dispose each member while paying attention not to fall from the support member and from falling from the mounting surface, so that the workability of the disposition work can be improved, and the light guide member Since the upper end of the envelope is surrounded by the surrounding portion and the surrounding portion has a light shielding piece, the light from the lamp can be prevented from leaking from the upper end portion.
[0025]
According to the second aspect of the present invention, in addition to the effect of the first aspect of the invention, the surrounding portion and the light guide member are engaged with each other by the engaging means, so that the light guide member placed on the support member is positioned. Is easier to do.
[0026]
In the invention according to claim 4, in addition to the effect of the invention according to claim 2, the engaging means is asymmetrical when viewed from the vertical direction. In addition, it is possible to eliminate erroneous operations such as rotating 180 ° from a predetermined state and disposing it upside down [Brief description of the drawings]
FIG. 1 is an exploded perspective view of a first embodiment of the present invention.
FIG. 2 is a cross-sectional view of the above.
FIG. 3 is an exploded perspective view of a second embodiment of the present invention.
FIG. 4 is an exploded perspective view of a conventional example.
FIG. 5 is a partial sectional view of the above.
[Explanation of symbols]
1 Light guide member
2 Lamp
4 Display material
5 Support member
5d enclosure
10 Engagement means

Claims (3)

ランプと、鉛直方向に沿って配設されて上端部に設置されたランプからの光を伝達する導光部材と、鉛直方向に沿って導光部材に重合した状態で配設される表示部材と、導光部材を載置して支持する支持部材と、を備えた照明器具において、前記導光部材は中央片および中央片の上部から側方へ延設された延設片を有した略 T 字状に形成されており、前記支持部材は前記鉛直方向から見たときに前記導光部材を周回して包囲する包囲部が設けられ、前記包囲部は前記導光部材の上端部を周回して包囲しており、かつ、前記導光部材内で伝達された光を上端部から漏れないように遮光する遮光片を有することを特徴とする照明器具。A lamp, a light guide member that is disposed along the vertical direction and transmits light from the lamp installed at the upper end , and a display member that is disposed in a state of being superimposed on the light guide member along the vertical direction; And a support member for mounting and supporting the light guide member , wherein the light guide member has a central piece and a substantially T having an extended piece extending laterally from an upper portion of the central piece. The support member is provided with an encircling portion that surrounds and surrounds the light guide member when viewed from the vertical direction, and the encircling portion circulates the upper end portion of the light guide member. And a light-shielding piece that shields the light transmitted in the light guide member so as not to leak from the upper end portion . 前記包囲部と前記導光部材とを係合する係合手段を前記延設片とその対向位置にある前記包囲部とに設けたことを特徴とする請求項1記載の照明器具。2. The lighting apparatus according to claim 1 , wherein an engaging means for engaging the surrounding portion and the light guide member is provided in the extending piece and the surrounding portion at a position opposite to the extending piece . 前記係合手段は、鉛直方向から見たときに、非点対称となる位置に設けられていることを特徴とする請求項2記載の照明器具。The lighting apparatus according to claim 2 , wherein the engaging means is provided at a position that is asymmetrical when viewed from the vertical direction .
JP11312498A 1998-04-23 1998-04-23 lighting equipment Expired - Lifetime JP3882331B2 (en)

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JP11312498A JP3882331B2 (en) 1998-04-23 1998-04-23 lighting equipment

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Application Number Priority Date Filing Date Title
JP11312498A JP3882331B2 (en) 1998-04-23 1998-04-23 lighting equipment

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JP3882331B2 true JP3882331B2 (en) 2007-02-14

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Publication number Priority date Publication date Assignee Title
JP4506627B2 (en) * 2005-09-14 2010-07-21 パナソニック電工株式会社 Guide light
JP4828253B2 (en) * 2006-02-23 2011-11-30 昭和電工株式会社 Light emitting unit used as light source for backlight for liquid crystal
JP5210051B2 (en) * 2008-05-30 2013-06-12 パナソニック株式会社 Indicator light

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