JPS63241803A - Lighting fixture - Google Patents
Lighting fixtureInfo
- Publication number
- JPS63241803A JPS63241803A JP62074946A JP7494687A JPS63241803A JP S63241803 A JPS63241803 A JP S63241803A JP 62074946 A JP62074946 A JP 62074946A JP 7494687 A JP7494687 A JP 7494687A JP S63241803 A JPS63241803 A JP S63241803A
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- hood
- light source
- heat
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010409 thin film Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (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
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は照明器具に係り、例えば天井埋め込み形ダウン
ライトなどの照明器具に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a lighting fixture, such as a ceiling-embedded downlight.
（従来の技術）
従来のこの種の断熱施工用の天井埋め込み形のダウンラ
イトは、器具本体に白色ＩＭ反射板やアルミニューム反
射板を設け、または器具本体の外側をガラスウールなど
の遮熱板で覆い、器具本体の外側と遮熱板との間に断熱
空気層を形成し、器具本体を埋め込み施工した造営材側
の湿度上昇を抑える構造などが採られていた。(Prior art) Conventional ceiling-mounted downlights for this type of insulation construction have a white IM reflector or aluminum reflector on the fixture body, or a heat shielding plate such as glass wool on the outside of the fixture body. A structure was adopted in which a heat insulating air layer was formed between the outside of the appliance body and the heat shield plate, suppressing the rise in humidity in the construction material in which the appliance body was embedded.
（発明が解決しようとする問題点）
上記従来の構造をもつダウンライトでは器具本体の表面
処理が必要となり、また反射板によって赤外線の一部は
吸収され、反射板の温度が上界し、反射板の背面側に放
熱される問題があり、また遮熱板で器具本体を覆う構造
では、構造が複雑となり、施工に手数がかかり、高価と
なる問題を有していた。(Problems to be solved by the invention) In the downlight with the above-mentioned conventional structure, surface treatment of the main body of the device is required, and a part of the infrared rays is absorbed by the reflector, and the temperature of the reflector increases, causing the reflection There is a problem in that heat is dissipated to the back side of the board, and in a structure in which the main body of the appliance is covered with a heat shield plate, the structure is complicated, and the construction is labor-intensive and expensive.
本発明は上記問題点に鑑みなされたもので、反射板にて
光源から反射される可視光線とともに熱線を照射開口側
に反射させ、器具本体内の温度上昇を低減するとともに
、反射板の背面側に放熱されることを防止した断熱施工
に適する照明器具を提供することを目的としたものであ
る。The present invention has been made in view of the above-mentioned problems.The present invention reflects visible light reflected from the light source and heat rays toward the irradiation opening side by a reflector, reducing the temperature rise inside the device body, and reducing the temperature rise on the back side of the reflector. The purpose of this invention is to provide a lighting fixture suitable for heat insulation construction that prevents heat from being radiated.
（問題点を解決するための手段）
本発明の照明器具は、光源と、前方に照！ｌ）Ｉ １ｊ
ｉ１口を有し前記光源を内包する反射板と、この反射板
を収納し前記反射板の照射開口側を開口した器具本体と
を具備しており、前記反射板は表面に可視光を透過する
とともに赤外線を反射する薄膜層を形成し、この反射板
の背面側に間隙を介してこの反射板と略相似形のフード
を配置し、前記反射板とフードとの間の間隙を密閉した
ことを特徴とするものである。(Means for Solving the Problems) The lighting equipment of the present invention has a light source and a light source that illuminates the front! l) I 1j
The device is equipped with a reflector plate having an opening and containing the light source, and a device body that houses the reflector plate and has an opening on the irradiation opening side of the reflector plate, and the reflector plate transmits visible light on its surface. In addition, a thin film layer that reflects infrared rays is formed, a hood having a similar shape to the reflector is placed on the back side of the reflector with a gap therebetween, and the gap between the reflector and the hood is sealed. This is a characteristic feature.
（作用）
本発明の照明器具は、光源から放射された赤外線は反射
板の表面に形成した薄膜層にて反射されて照射開口から
出射されるとともに可視光は反射板の表面にて反射され
て照射開口から出射され、また反射板とフードとの間の
間隙は密閉されているため、熱対流による器具本体側へ
の熱伝導がなく、器具本体側の温度上昇が抑えられ、さ
らにフードにより反射板の裏面側からの二次放射熱によ
る器具本体の温度上昇を低減でき、器具本体の外側の温
度１貸を押えることができる。(Function) In the lighting fixture of the present invention, infrared rays emitted from the light source are reflected by the thin film layer formed on the surface of the reflector and emitted from the irradiation aperture, and visible light is reflected by the surface of the reflector. The radiation is emitted from the irradiation aperture, and the gap between the reflector and the hood is sealed, so there is no heat conduction to the device body due to heat convection, suppressing the temperature rise on the device body side, and the hood reflects the light. It is possible to reduce the rise in temperature of the appliance body due to secondary radiant heat from the back side of the plate, and it is possible to suppress the temperature increase on the outside of the appliance body.
（実施例）
本発明の一実施例の構成を図面第１図および第２図につ
いて説明する。(Embodiment) The configuration of an embodiment of the present invention will be described with reference to FIGS. 1 and 2.
１は光源で、ランプにて構成され、この光源１を内包す
る反射板２は可視光線の反射率の高いアルミニュームな
どで成型され、前方に照ｔＩ４開口３が形成されるよう
に回転二次曲面など適宜の所望の曲率に成型されている
。Reference numeral 1 denotes a light source, which is composed of a lamp.The reflector plate 2 containing the light source 1 is made of aluminum or the like, which has a high reflectance of visible light, and is rotated so that an illumination aperture 3 is formed in front. It is molded into an appropriate desired curvature, such as a curved surface.
また前記反射板２は下面を開口した円筒形の器具本体４
内に収納され、この反射板２の照射開口３は器具本体４
の下面開口部５ｋ１ｍませられている。またこの器具本
体４の内底面にはソケット取付は台６を介してソケ゛ッ
ト７が取付けられている。またこの器具本体４の上面に
は端子台８が取付けられている。そしてこの器具本体４
は造営物の火柱面９に形成した取付は穴１０に埋め込み
固定される。Further, the reflector plate 2 has a cylindrical instrument main body 4 with an open bottom surface.
The irradiation opening 3 of this reflector plate 2 is housed in the instrument body 4.
The lower opening is 5k1m wide. Further, a socket 7 is attached to the inner bottom surface of the instrument main body 4 via a socket mounting base 6. Further, a terminal block 8 is attached to the upper surface of this device main body 4. And this equipment body 4
The attachment formed on the fire pillar surface 9 of the structure is embedded and fixed in the hole 10.
またこの反射板２の表面の反射面にはコーテングにより
赤外線を反射させるとともに可視光を透過させる例えば
、１ｎ２０３ 、５ｎ０２などの多層薄膜層１１を形成
する。そしてこの多層１１ｍ１ｔの厚みは１０００人な
いし３０００人が好ましく、厚みが薄いと赤外線の反射
効率が低下し、厚みが厚いと可視光を透過させて反射板
２で反射させる効率が低下する。Further, a multilayer thin film layer 11 such as 1n203, 5n02, etc. is formed on the reflective surface of the reflective plate 2 by coating to reflect infrared rays and transmit visible light. The thickness of this multilayer 11m1t is preferably 1,000 to 3,000. If the thickness is thin, the efficiency of reflecting infrared rays will decrease, and if the thickness is thick, the efficiency of transmitting visible light and reflecting it on the reflector plate 2 will decrease.
また１２はフードで、プラスチックなどの熱伝導率の低
い材料で前記反射板２と略相似形に形成され、このフー
ド１２は前記反射板２の背面側に間隙１３を介して配設
され、この反射板２とフード１２との間の間隙１３は密
閉された断熱空気層に形成されている。そして前記反射
板２とフード１２との中心部に前記ソケット７が気密に
挿通されている。Reference numeral 12 denotes a hood, which is made of a material with low thermal conductivity such as plastic and has a substantially similar shape to the reflecting plate 2. A gap 13 between the reflector 2 and the hood 12 is formed into a sealed insulating air layer. The socket 7 is hermetically inserted through the center of the reflector 2 and the hood 12.
つぎにこの実施例の作用を説明する。Next, the operation of this embodiment will be explained.
光源１から反射板２に向って放射された光の内、可視光
は薄膜層１１を透過して反射板２の鏡面の表面で反射さ
れ照射量１〕３から出射され、光源１からの赤外線は薄
膜層１１にて反射され、赤外線は反射板２に吸収される
ことがなく、照射間口３から出射される。また反射板２
の背面側の密閉された間隙１３による断熱空気層により
、空気の流れが起きないのひ、熱対流が生じることがな
く、反射板２の背面側に放熱されるごどがなく、さらに
フード１２により反射板２から二次放射熱が遮断され、
器具本体４の側面および」−面側の温度ト界が低減され
る。Of the light emitted from the light source 1 toward the reflector 2, visible light passes through the thin film layer 11, is reflected on the mirror surface of the reflector 2, and is emitted from the irradiation amount 1]3, which is reflected by the infrared rays from the light source 1. is reflected by the thin film layer 11, and the infrared rays are not absorbed by the reflection plate 2 and are emitted from the irradiation opening 3. Also, the reflector 2
The insulating air layer formed by the sealed gap 13 on the back side of the hood 12 prevents air flow, heat convection, and heat dissipation to the back side of the reflector plate 2. The secondary radiant heat is blocked from the reflector 2 by
The temperature field on the side and negative side of the instrument body 4 is reduced.
なお前記反射板２は、回転二次曲面に限らず適宜の形状
とすることができるものであり、前記フード１２は成型
加二［性の面から反射板２と同様に７ Ｉ！ノミニュー
ムでもよい。Note that the reflector 2 is not limited to a rotational quadratic curved surface and can have any suitable shape, and the hood 12 has a shape similar to that of the reflector 2 from the viewpoint of moldability. Nominium may also be used.
本発明によれば、反射板は表面に可視光を透過するとと
もに赤外線を反射する薄膜層を形成し、この反射板の背
面側に間隙を介してこの反射板と略相似形のフードを配
設し、前記反射板とフードどの間の間隙を密閉したのＣ
１光源から発生した赤外線は反射板の表面の薄膜層にて
反射され、反則板の照射開口から出射され、ざらに反射
板の背面側に形成される密閉された断熱空気層にて熱対
流が起こらないため、反射板の背面側への放熱がなく、
さらにフードにより反（ト）板からの二次放射熱が遮断
され、器具本体側への放熱が少なく、器具本体の外側の
温度上昇を低減でき、しかも光源からの熱は線は反射板
の照射間口から積極的に放射させるため、各部の温度上
昇が低くできるため、部品寿命も長くなり、ｌＩＩ単な
構成で安価に得られ、従来のダウンライトなどの各種器
具において、反射板を交換するのみで容易に断熱施工形
に各種の照明器具に適用できるものである。According to the present invention, the reflector has a thin film layer formed on its surface that transmits visible light and reflects infrared rays, and a hood having a substantially similar shape to the reflector is disposed on the back side of the reflector with a gap therebetween. Then, the gap between the reflector and the hood was sealed.
1. Infrared rays generated from a light source are reflected by the thin film layer on the surface of the reflector, exit from the irradiation aperture of the reflector, and undergo thermal convection in a sealed insulating air layer formed roughly on the back side of the reflector. Since this does not occur, there is no heat dissipation to the back side of the reflector.
Furthermore, the hood blocks secondary radiant heat from the reflection plate, which reduces heat radiation to the appliance body side, reducing temperature rise on the outside of the appliance body.Moreover, the heat from the light source is radiated from the reflector plate. Since the radiation is actively emitted from the frontage, the temperature rise in each part can be kept low, resulting in a longer parts life. Therefore, it can be easily applied to various types of lighting equipment in a heat-insulating construction type.
′１５１図は本発明の−・実施例を示す照明器具縦断側
面図、第２図は同上反射板部の拡大断面図、第３図は同
上反射板部の一部の拡大断面図である。
２・・反射板、３・・照射間口、４・・器具本体、１１
・・薄膜層、１２・・フード、１３・・間隙。151 is a vertical sectional side view of a lighting device showing an embodiment of the present invention, FIG. 2 is an enlarged sectional view of the reflecting plate portion of the above, and FIG. 3 is an enlarged sectional view of a portion of the reflecting plate portion of the same. 2... Reflector plate, 3... Irradiation frontage, 4... Instrument body, 11
...Thin film layer, 12...Hood, 13...Gap.
Claims (1)
る反射板と、この反射板を収納し前記反射板の照射開口
側を開口した器具本体とを具備し、 前記反射板は表面に可視光を透過するとともに赤外線を
反射する薄膜層を形成し、 この反射板の背面側に間隙を介してこの反射板と略相似
形のフードを配設し、 前記反射板とフードとの間の間隙を密閉したことを特徴
とした照明器具。(1) A light source, a reflector having an irradiation opening on the front surface and containing the light source, and a device body that houses the reflector and has an opening on the irradiation opening side of the reflector; A thin film layer that transmits visible light and reflects infrared rays is formed on the reflector, and a hood having a substantially similar shape to the reflector is disposed on the back side of the reflector with a gap between the reflector and the hood. A lighting fixture characterized by a sealed gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62074946A JPS63241803A (en) | 1987-03-28 | 1987-03-28 | Lighting fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62074946A JPS63241803A (en) | 1987-03-28 | 1987-03-28 | Lighting fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63241803A true JPS63241803A (en) | 1988-10-07 |
Family
ID=13562004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62074946A Pending JPS63241803A (en) | 1987-03-28 | 1987-03-28 | Lighting fixture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63241803A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005302988A (en) * | 2004-04-12 | 2005-10-27 | Mitsubishi Electric Corp | Light emitting device |
| JP2016111168A (en) * | 2014-12-05 | 2016-06-20 | スタンレー電気株式会社 | Optical device |
| WO2018087961A1 (en) * | 2016-11-09 | 2018-05-17 | ソニーセミコンダクタソリューションズ株式会社 | Illuminating device and image pickup device |
-
1987
- 1987-03-28 JP JP62074946A patent/JPS63241803A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005302988A (en) * | 2004-04-12 | 2005-10-27 | Mitsubishi Electric Corp | Light emitting device |
| JP4592320B2 (en) * | 2004-04-12 | 2010-12-01 | 三菱電機株式会社 | Light emitting device |
| JP2016111168A (en) * | 2014-12-05 | 2016-06-20 | スタンレー電気株式会社 | Optical device |
| WO2018087961A1 (en) * | 2016-11-09 | 2018-05-17 | ソニーセミコンダクタソリューションズ株式会社 | Illuminating device and image pickup device |
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