JP6060285B1 - Lighting device - Google Patents
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- JP6060285B1 JP6060285B1 JP2016000498A JP2016000498A JP6060285B1 JP 6060285 B1 JP6060285 B1 JP 6060285B1 JP 2016000498 A JP2016000498 A JP 2016000498A JP 2016000498 A JP2016000498 A JP 2016000498A JP 6060285 B1 JP6060285 B1 JP 6060285B1
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- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000005286 illumination Methods 0.000 abstract description 18
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 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
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
【課題】無電極ランプから出射される光がネジ止めのための取付構造によって極力遮られることなく、ムラなく照度を上げることができるようにする。【解決手段】中央に凸状の反射板２２が設けられた照明カバー２０に無電極ランプ１０をネジ止めするようになされた照明装置において、照明カバー２０が、反射板２２から離れた位置の反射面に立設されたネジ止めのための取付構造２３を備える一方、無電極ランプ１０の発光体１１にネジ止めされるコイル部１２が、自身を照明カバー２０の取付構造２３にネジ止めするための第２の取付構造１２ｂを備え、発光体１１から光が出射されない部分に当たるコイル部１２に第２の取付構造１２ｂを設ける構造とすることにより、発光体１１から出射される光が取付構造２３や第２の取付構造１２ｂによって極力遮られることなく、ムラなく照度を上げることができるようにする。【選択図】図１Light emitted from an electrodeless lamp is prevented from being blocked by a mounting structure for screwing as much as possible, and the illuminance can be increased uniformly. In an illuminating device in which an electrodeless lamp is screwed to an illumination cover provided with a convex reflector at the center, the illumination cover is reflected at a position away from the reflector. The coil portion 12 screwed to the light emitter 11 of the electrodeless lamp 10 is screwed to the mounting structure 23 of the lighting cover 20 while the mounting structure 23 for screwing is provided on the surface. The second mounting structure 12b is provided, and the second mounting structure 12b is provided in the coil portion 12 that hits a portion where the light is not emitted from the light emitter 11, so that the light emitted from the light emitter 11 is attached to the mounting structure 23. In addition, the illuminance can be increased uniformly without being blocked by the second mounting structure 12b as much as possible. [Selection] Figure 1
Description
本発明は照明装置に関し、特に、反射板を備えた照明カバーを光源に取り付けて成る照明装置に用いて好適なものである。 The present invention relates to an illuminating device, and is particularly suitable for an illuminating device in which an illuminating cover provided with a reflector is attached to a light source.
従来、光源から出射される光を反射させて所定方向に対する照度を上げることを目的として、反射板を備えた照明カバーを光源の周囲に設けた照明装置が知られている（例えば、特許文献１，２参照）。 2. Description of the Related Art Conventionally, there is known an illumination device in which an illumination cover provided with a reflector is provided around a light source for the purpose of reflecting light emitted from a light source to increase illuminance in a predetermined direction (for example, Patent Document 1). , 2).
特許文献１に記載の照明器具は、天井面に直に取付けられる取付けベースに連結される反射板を備えている。この反射板は、上向きに凸となる断面円弧状の一対の反射部を幅方向に連ねて構成されており、幅方向中央部に、下方に向かうに従い次第に先細となる中央凸部を有する。そして、２本の蛍光ランプが、反射板の幅方向両端部（中央凸部を挟んで両側）にそれぞれ取り付けられる。 The lighting fixture of patent document 1 is provided with the reflecting plate connected with the attachment base directly attached to a ceiling surface. This reflecting plate is configured by connecting a pair of reflecting portions having an arcuate cross section that is convex upward in the width direction, and has a central convex portion that gradually tapers in the width direction central portion as it goes downward. Then, two fluorescent lamps are respectively attached to both ends in the width direction of the reflector plate (both sides with the central convex portion interposed therebetween).
特許文献２の蛍光灯照明装置は、水平に配置されて部屋の天井に取り付けられる照明装置本体と、照明装置本体内に取り付けられた反射器と、反射器の内側に位置させた状態で平行に配置された直管形の２本の蛍光灯とを備える。反射器は、２本の蛍光灯のそれぞれに対して専用に設けられて下端が開口した２個の反射鏡からなっている。当該２個の反射鏡は、２本の蛍光灯間を２分する位置に、両蛍光灯と平行に伸びる鉛直面に対して対称な断面形状を有している。 The fluorescent lamp illuminating device of Patent Document 2 is arranged in parallel so that the illuminating device main body is mounted horizontally on the ceiling of the room, the reflector mounted in the illuminating device main body, and positioned inside the reflector. And two arranged straight tube fluorescent lamps. The reflector is composed of two reflecting mirrors that are dedicated to each of the two fluorescent lamps and open at the lower end. The two reflecting mirrors have a symmetric sectional shape with respect to a vertical plane extending in parallel with both fluorescent lamps at a position that bisects the two fluorescent lamps.
ところで、照明装置の一種として、無電極ランプと呼ばれるものが存在する。無電極ランプは、内部構造に電極を持たない照明装置であり、長寿命・省電力という優れた特徴を持つ。そのため、故障時の修理・交換が困難な場所など、保守管理費用の高い場所での利用に向いている。例えば、ホール、会議室、体育館、工場、運動場、トンネル、景観照明といった場所に適用されることが多い。 By the way, what is called an electrodeless lamp exists as a kind of lighting device. An electrodeless lamp is a lighting device having no electrode in its internal structure, and has excellent characteristics such as long life and power saving. For this reason, it is suitable for use in places where maintenance and management costs are high, such as places where repair and replacement at the time of failure are difficult. For example, it is often applied to places such as halls, conference rooms, gymnasiums, factories, playgrounds, tunnels, and landscape lighting.
無電極ランプは、高周波インバータ、誘導コイルおよび発光体を備えて構成される。そして、高周波インバータの作用により誘導コイルから高周波磁界を発生させ、この磁界によって生じる電磁誘導により、電球内の水銀ガスを励起して紫外線を発生させる。この発生した紫外線により電球内壁の蛍光粉が励起されることにより、可視光線が生じる仕組みである。 The electrodeless lamp includes a high-frequency inverter, an induction coil, and a light emitter. Then, a high frequency magnetic field is generated from the induction coil by the action of the high frequency inverter, and the mercury gas in the light bulb is excited by the electromagnetic induction generated by this magnetic field to generate ultraviolet rays. This is a mechanism for generating visible light by exciting the fluorescent powder on the inner wall of the bulb with the generated ultraviolet light.
無電極ランプは、一般家庭用の蛍光灯に比べて重量が重い。そのため、一般家庭用の照明カバーが備えるフックのような軽微な取付具ではなく、ねじ止めによって無電極ランプを照明カバーに堅牢に固定する構造をとるのが一般的である。 Electrodeless lamps are heavier than ordinary household fluorescent lamps. Therefore, it is general to adopt a structure in which the electrodeless lamp is firmly fixed to the lighting cover by screwing rather than a light fixture such as a hook included in a general household lighting cover.
しかしながら、ネジ止めのための取付構造は、無電極ランプから出射された光を遮って影を作る遮蔽物となり得る。そのため、特許文献１，２のように、照明カバーの中央に凸状の反射板を設けて照度を上げようとしても、ネジ止めのための取付構造によって光が遮られる方向が生じると、その方向に対しては照度を十分に上げることができないという問題が生じる。 However, the mounting structure for screwing can be a shield that blocks the light emitted from the electrodeless lamp and creates a shadow. Therefore, as in Patent Documents 1 and 2, even if an attempt is made to increase the illuminance by providing a convex reflector at the center of the illumination cover, if the direction in which light is blocked by the mounting structure for screwing occurs, that direction However, there is a problem that the illuminance cannot be increased sufficiently.
本発明は、このような問題を解決するために成されたものであり、中央に凸状の反射板が設けられた照明カバーに無電極ランプをネジ止めによって固定するようになされた照明装置において、無電極ランプから出射される光がネジ止めのための取付構造によって極力遮られることなく、ムラなく照度を上げることができるようにすることを目的とする。 The present invention has been made to solve such a problem, and in an illuminating device adapted to fix an electrodeless lamp to a lighting cover provided with a convex reflector at the center by screwing. It is an object of the present invention to make it possible to increase the illuminance without unevenness without the light emitted from the electrodeless lamp being blocked as much as possible by the mounting structure for screwing.
上記した課題を解決するために、本発明では、中央に凸状の反射板が設けられた照明カバーに無電極ランプをネジ止めによって固定するようになされた照明装置において、照明カバーが、中央に設けられた反射板を反射面の一部として含み、当該反射面の横断面形状が略椀状を成す反射部と、凸状の反射板から離れた位置の反射面に立設されたネジ止めのための取付構造とを備える一方、無電極ランプの発光体にネジ止めされるコイル部が、自身を発光体にネジ止めするための第１の取付構造と、自身を反射部の取付構造にネジ止めするための第２の取付構造とを備えている。ここで、第１の取付構造は、円環状を成すコイル部の外周面に一対として立設された第１の板状足部にネジ穴を設けた構造を有する。また、第２の取付構造は、第１の板状足部が立設された外周面の位置から円周に沿って所定角度変位した位置の外周面に設けられ、第１の板状足部が立設された外周面よりも外側まで延設された第２の板状足部の先端にネジ穴を設けた構造を有する。さらに、第１の板状足部および第２の板状足部は、コイル部の同じ方向に向けて設けられている。 In order to solve the above-described problems, in the present invention, in an illumination device in which an electrodeless lamp is fixed to an illumination cover provided with a convex reflector at the center by screwing, the illumination cover is provided at the center. comprises provided a reflector as a part of the reflective surface, screw cross-sectional shape of the reflecting surface is erected on anti reflecting surface of a position away from a reflecting portion having a substantially bowl-shaped, convex reflector A coil portion screwed to the light emitter of the electrodeless lamp, and a first attachment structure for screwing itself to the light emitter, and a reflection portion mounting structure. And a second mounting structure for screwing. Here, the first mounting structure has a structure in which a screw hole is provided in a first plate-like leg portion standing upright as a pair on the outer peripheral surface of the coil portion forming an annular shape. The second mounting structure is provided on the outer peripheral surface at a position displaced by a predetermined angle along the circumference from the position of the outer peripheral surface where the first plate-shaped foot portion is erected, and the first plate-shaped foot portion Has a structure in which a screw hole is provided at the tip of the second plate-like leg portion that extends to the outside of the outer peripheral surface on which is erected. Furthermore, the first plate-like foot portion and the second plate-like foot portion are provided in the same direction of the coil portion.
上記のように構成した本発明によれば、無電極ランプの発光体から光が出射されない部分に当たるコイル部に第２の取付構造が設けられ、これが照明カバーの取付構造にネジ止めされることによって、無電極ランプが照明カバーに取り付けられる。つまり、元々光が出射されない部分を使って無電極ランプが照明カバーにネジ止めされるので、無電極ランプから出射される光がネジ止めのための取付構造によって極力遮られることなく、ムラなく照度を上げることができる。 According to the present invention configured as described above, the second mounting structure is provided in the coil portion that hits the portion where no light is emitted from the light emitter of the electrodeless lamp, and this is screwed to the mounting structure of the illumination cover. The electrodeless lamp is attached to the lighting cover. In other words, since the electrodeless lamp is screwed to the lighting cover using the part where light is not originally emitted, the light emitted from the electrodeless lamp is not blocked by the mounting structure for screwing as much as possible. Can be raised.
以下、本発明の一実施形態を図面に基づいて説明する。図１は、本実施形態による照明装置の構成例示す組立構成図である。また、図２は、本実施形態による照明装置の構成例を示す横断面図である。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an assembly configuration diagram illustrating a configuration example of the illumination device according to the present embodiment. FIG. 2 is a cross-sectional view showing a configuration example of the lighting apparatus according to the present embodiment.
図１および図２に示すように、本実施形態の照明装置は、光源としての無電極ランプ１０、照明カバー２０およびガラスカバー３０を備えて構成されている。 As shown in FIGS. 1 and 2, the illumination device of this embodiment includes an electrodeless lamp 10 as a light source, an illumination cover 20, and a glass cover 30.
無電極ランプ１０は、円環状の発光体１１と、当該発光体１１にネジ止めされるコイル部１２とを備えている。コイル部１２は、円環状の発光体１１の対角位置に２つ設けられている。このコイル部１２は、自身を発光体１１にネジ止めするための第１の取付構造１２ａと、自身を照明カバー２０の反射部２１に立設された取付構造２３にネジ止めするための第２の取付構造１２ｂとを備えている。 The electrodeless lamp 10 includes an annular light emitter 11 and a coil portion 12 that is screwed to the light emitter 11. Two coil portions 12 are provided at diagonal positions of the annular light emitter 11. The coil portion 12 has a first mounting structure 12 a for screwing itself to the light emitter 11 and a second mounting structure 23 for screwing itself to a mounting structure 23 erected on the reflecting portion 21 of the lighting cover 20. Mounting structure 12b.
図３は、コイル部１２の構成を示す拡大断面図である。図３に示すように、第１の取付構造１２ａは、円環状を成すコイル部１２の外周面に一対として立設された第１の板状足部３１，３１にネジ穴３２，３２を設けた構造を有している。一対の第１の板状足部３１，３１は、互いに対向する位置に設けられており、それぞれのネジ穴３２，３２に１本のネジを通して締めるようになされている。 FIG. 3 is an enlarged cross-sectional view showing the configuration of the coil portion 12. As shown in FIG. 3, the first mounting structure 12 a is provided with screw holes 32, 32 in first plate-like legs 31, 31 erected as a pair on the outer peripheral surface of the annular coil part 12. Have a structure. The pair of first plate-like feet 31, 31 are provided at positions facing each other, and are tightened by passing one screw through each screw hole 32, 32.
また、第２の取付構造１２ｂは、円環状を成すコイル部１２の外周面に設けられている。第２の取付構造１２ｂが設けられる外周面の位置は、第１の板状足部３１，３１が立設された位置から円周に沿って上向きに所定角度（図３の例では９０度であるが、この角度に限定されない）変位した位置である。第２の取付構造１２ｂは、第１の板状足部３１，３１が立設されている外周面よりも外側まで延設された第２の板状足部３３の先端にネジ穴３４を設けた構造を有している。 Moreover, the 2nd attachment structure 12b is provided in the outer peripheral surface of the coil part 12 which comprises an annular | circular shape. The position of the outer peripheral surface on which the second mounting structure 12b is provided is a predetermined angle (90 degrees in the example of FIG. 3) upward from the position where the first plate-like feet 31 and 31 are erected. There is a displaced position (but not limited to this angle). The second mounting structure 12b is provided with a screw hole 34 at the tip of a second plate-like foot portion 33 extending to the outside of the outer peripheral surface on which the first plate-like foot portions 31, 31 are erected. Have a structure.
照明カバー２０は、その内側に反射部２１を備えている。反射部２１は、照明カバー２０の中央に設けられた凸状の反射板２２を反射面の一部として含んで構成されている。ここで、反射板２２は、下向きに凸となる形状を有している。また、反射部２１を構成する反射面の横断面形状は、上向きに凸となる略お椀形状を成している。 The illumination cover 20 includes a reflection portion 21 inside thereof. The reflection unit 21 includes a convex reflection plate 22 provided at the center of the illumination cover 20 as a part of the reflection surface. Here, the reflecting plate 22 has a shape that protrudes downward. Moreover, the cross-sectional shape of the reflective surface which comprises the reflection part 21 has comprised the substantially bowl shape which becomes convex upwards.
また、照明カバー２０は、無電極ランプ１０をネジ止めするための取付構造２３を備えている。この取付構造２３は、凸状の反射板２２を挟んで両側に、反射板２２から離れた位置の反射面に２組立設されている。この取付構造２３は、先端側にネジ穴（図示せず）を有しており、コイル部１２が備える第２の取付構造１２ｂのネジ穴３４と位置合わせされた状態で、ネジによって第２の取付構造１２ｂと螺合されるようになっている。 The illumination cover 20 includes an attachment structure 23 for screwing the electrodeless lamp 10. Two mounting structures 23 are provided on both sides of the convex reflection plate 22 on the reflection surface at a position away from the reflection plate 22. The mounting structure 23 has a screw hole (not shown) on the distal end side, and is aligned with the screw hole 34 of the second mounting structure 12b provided in the coil portion 12, and is secondly screwed. The mounting structure 12b is screwed together.
また、凸状の反射板２２から更に離れた位置の反射面には、ベース２４が２組立設されている。ベース２４は、無電極ランプ１０を照明カバー２０にネジ止めする際に、コイル部１２が備える第２の板状足部３３を位置決めするための土台のようなものであり、取付構造２３よりも長さは短くなっている。ベース２４は、ネジ穴を有していない。 Also, two bases 24 are assembled on the reflection surface at a position further away from the convex reflection plate 22. The base 24 is like a base for positioning the second plate-like foot portion 33 included in the coil portion 12 when the electrodeless lamp 10 is screwed to the lighting cover 20. The length is shortened. The base 24 does not have a screw hole.
すなわち、取付構造２３およびベース２４は、第２の板状足部３３の両端がちょうど接する位置関係となるように立設されていて、略お椀形状をした反射部２１の中央寄りに立設されている取付構造２３よりも、反射部２１の周囲寄りに立設されているベース２４の方が、長さが短くなっている。これにより、コイル部１２が備える第２の板状足部３３の両端を、取付構造２３およびベース２４に合わせるように位置決めすると、第２の板状足部３３が水平状態となるように設計されている。 That is, the mounting structure 23 and the base 24 are erected so that the both ends of the second plate-like foot portion 33 are just in contact with each other, and are erected near the center of the substantially bowl-shaped reflecting portion 21. The length of the base 24 erected near the periphery of the reflecting portion 21 is shorter than that of the mounting structure 23. Thereby, when the both ends of the 2nd plate-shaped foot part 33 with which the coil part 12 is equipped are positioned so that it may match with the attachment structure 23 and the base 24, the 2nd plate-shaped foot part 33 is designed so that it may become a horizontal state. ing.
このように、本実施形態の照明装置は、中央に凸状の反射板２２が設けられた照明カバー２０に無電極ランプ１０をネジ止めによって固定するようになされている。特に、本実施形態では、無電極ランプ１０の発光体１１から光が出射されない部分に当たるコイル部１２に第２の取付構造１２ｂが設けられ、これが照明カバー２０の取付構造２３にネジ止めされることによって、無電極ランプ１０が照明カバー２０に取り付けられる。つまり、元々光が出射されない部分を使って無電極ランプ１０が照明カバー２０にネジ止めされるので、無電極ランプ１０から出射される光がネジ止めのための取付構造２３や第２の取付構造１２ｂによって極力遮られることなく、ムラなく照度を上げることができる。 Thus, the illuminating device of this embodiment is configured to fix the electrodeless lamp 10 to the illumination cover 20 provided with the convex reflector 22 at the center by screwing. In particular, in the present embodiment, the second mounting structure 12b is provided on the coil portion 12 that hits a portion where the light is not emitted from the light emitter 11 of the electrodeless lamp 10, and this is screwed to the mounting structure 23 of the lighting cover 20. Thus, the electrodeless lamp 10 is attached to the lighting cover 20. That is, since the electrodeless lamp 10 is screwed to the illumination cover 20 using a portion where light is not originally emitted, the mounting structure 23 or the second mounting structure for screwing the light emitted from the electrodeless lamp 10 is used. Illuminance can be increased uniformly without being blocked as much as possible by 12b.
また、本実施形態では、コイル部１２が備える第１の板状足部３１および第２の板状足部３３は、コイル部１２の同じ方向（何れも反射板２２側）に向けて設けられている。上述のように、発光体１１から光が出射されない部分に当たるコイル部１２に第２の取付構造１２ｂが設けられているとは言っても、発光体１１の他の部分から出射された光が、取付構造２３やそれにネジ止めされる第２の板状足部３３によって全く遮られないわけではない。また、第１の取付構造１２ａは第１の板状足部３１の長さが短いとは言っても、発光体１１から出射された光が第１の板状足部３１によって全く遮られないわけではない。これに対し、本実施形態では、第１の板状足部３１と第２の板状足部３３とを同じ方向に向けて設けているので、両者を異なる方向に向けて設ける場合に比べて、遮ぎられる光を減らすことができる。 Moreover, in this embodiment, the 1st plate-shaped foot part 31 and the 2nd plate-shaped foot part 33 with which the coil part 12 is provided are provided toward the same direction (all are the reflecting plate 22 side) of the coil part 12. FIG. ing. As described above, although the second mounting structure 12b is provided in the coil portion 12 that hits the portion where the light is not emitted from the light emitter 11, the light emitted from the other portion of the light emitter 11 is It is not necessarily unobstructed by the mounting structure 23 or the second plate-like foot 33 screwed thereto. In addition, even though the first mounting structure 12 a has a short first plate-like foot portion 31, the light emitted from the light emitter 11 is not blocked by the first plate-like foot portion 31 at all. Do not mean. On the other hand, in this embodiment, since the 1st plate-shaped foot part 31 and the 2nd plate-shaped foot part 33 are provided toward the same direction, compared with the case where both are provided toward a different direction. , Can reduce the light blocked.
また、本実施形態では、第２の板状足部３３が備えるネジ穴３４の位置が、第１の板状足部３１が備えるネジ穴３２の位置よりも、円環状を成すコイル部１２の外周面からみて更に外側（反射板２２側）となるように構成されている。これにより、コイル部１２の第２の板状足部３３が備えるネジ穴３４と、照明カバー２０が備える取付構造２３のネジ穴（図示せず）とを位置合わせしてネジ止めする際に、第１の板状足部３１が作業の邪魔とならないようにすることができる。 Moreover, in this embodiment, the position of the screw hole 34 with which the 2nd plate-shaped leg part 33 is provided is the position of the coil part 12 which comprises an annular form rather than the position of the screw hole 32 with which the 1st plate-like leg part 31 is provided. It is comprised so that it may become further outside (reflector 22 side) seeing from an outer peripheral surface. Thereby, when aligning and screwing the screw hole 34 provided in the second plate-like foot part 33 of the coil part 12 and the screw hole (not shown) of the mounting structure 23 provided in the lighting cover 20, It is possible to prevent the first plate-like foot portion 31 from interfering with work.
なお、上記実施形態では、無電極ランプ１０を円環状の発光体１１により構成する例について説明したが、直線状の発光体を複数本平行に並べて配置した構成としてもよい。この場合、凸状の反射板は、それぞれの発光体の間の中央に設置される。 In the above-described embodiment, an example in which the electrodeless lamp 10 is configured by the annular light emitter 11 has been described. However, a plurality of linear light emitters may be arranged in parallel. In this case, the convex reflector is installed at the center between the light emitters.
その他、上記実施形態は、何れも本発明を実施するにあたっての具体化の一例を示したものに過ぎず、これによって本発明の技術的範囲が限定的に解釈されてはならないものである。すなわち、本発明はその要旨、またはその主要な特徴から逸脱することなく、様々な形で実施することができる。 In addition, each of the above-described embodiments is merely an example of implementation in carrying out the present invention, and the technical scope of the present invention should not be construed in a limited manner. That is, the present invention can be implemented in various forms without departing from the gist or the main features thereof.
１０ 無電極ランプ
１１ 発光体
１２ コイル部
１２ａ 第１の取付構造
１２ｂ 第２の取付構造
２０ 照明カバー
２１ 反射部
２２ 反射板
２３ 取付構造
２４ ベース
３１ 第１の板状足部
３２ ネジ穴
３３ 第２の板状足部
３４ ネジ穴
DESCRIPTION OF SYMBOLS 10 Electrodeless lamp 11 Light-emitting body 12 Coil part 12a 1st attachment structure 12b 2nd attachment structure 20 Illumination cover 21 Reflection part 22 Reflector 23 Attachment structure 24 Base 31 1st plate-shaped leg part 32 Screw hole 33 2nd Plate-like foot part 34 Screw hole
Claims (2)
上記照明カバーは、
上記中央に設けられた上記反射板を反射面の一部として含み、当該反射面の横断面形状が略椀状を成す反射部と、
上記凸状の反射板から離れた位置の反射面に立設されたネジ止めのための取付構造とを備え、
上記無電極ランプは、発光体と、当該発光体にネジ止めされるコイル部とを備え、
上記コイル部は、自身を上記発光体にネジ止めするための第１の取付構造と、自身を上記反射部の取付構造にネジ止めするための第２の取付構造とを備え、
上記第１の取付構造は、円環状を成す上記コイル部の外周面に一対として立設された第１の板状足部にネジ穴を設けた構造を有し、
上記第２の取付構造は、上記第１の板状足部が立設された外周面の位置から円周に沿って所定角度変位した位置の外周面に設けられ、上記第１の板状足部が立設された外周面よりも外側まで延設された第２の板状足部の先端にネジ穴を設けた構造を有し、
上記第１の板状足部および上記第２の板状足部は、上記コイル部の同じ方向に向けて設けられていることを特徴とする照明装置。 A lighting device adapted to fix an electrodeless lamp to a lighting cover provided with a convex reflector at the center by screwing,
The lighting cover is
A reflection part including the reflection plate provided at the center as a part of a reflection surface, and a cross-sectional shape of the reflection surface having a substantially bowl shape;
A mounting structure for screwing that is erected on the reflecting surface at a position away from the convex reflecting plate;
The electrodeless lamp includes a light emitter and a coil portion screwed to the light emitter,
The coil portion includes a first attachment structure for screwing the coil portion to the light emitter and a second attachment structure for screwing the coil portion to the reflection portion attachment structure.
The first mounting structure has a structure in which a screw hole is provided in a first plate-like foot portion erected as a pair on the outer peripheral surface of the coil portion forming an annular shape,
The second mounting structure is provided on the outer peripheral surface at a position displaced by a predetermined angle along the circumference from the position of the outer peripheral surface on which the first plate-like foot portion is erected, and the first plate-like foot Having a structure in which a screw hole is provided at the tip of the second plate-like foot portion extended to the outside of the outer peripheral surface where the portion is erected,
The lighting device according to claim 1, wherein the first plate-like foot portion and the second plate-like foot portion are provided in the same direction of the coil portion.
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|---|---|---|---|---|
| JPS55113202A (en) * | 1979-02-25 | 1980-09-01 | Matsushita Electric Works Ltd | Reflecting plate for annular fluorescent lamp |
| JPS58193404U (en) * | 1982-06-14 | 1983-12-22 | プロペツト株式会社 | Reflector |
| JPS61183009U (en) * | 1985-04-12 | 1986-11-14 | ||
| JP2009032486A (en) * | 2007-07-26 | 2009-02-12 | Panasonic Electric Works Co Ltd | Fixture for electrodeless discharge lamp, and luminaire |
| JP2009110689A (en) * | 2007-10-26 | 2009-05-21 | Panasonic Electric Works Co Ltd | Electrodeless discharge lamp device and lighting fixture |
| JP2009289495A (en) * | 2008-05-27 | 2009-12-10 | Panasonic Electric Works Co Ltd | Electrodeless discharge lamp, and luminaire |
| JP2014203558A (en) * | 2013-04-02 | 2014-10-27 | プロライト株式会社 | Electrodeless lighting device |
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2016
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55113202A (en) * | 1979-02-25 | 1980-09-01 | Matsushita Electric Works Ltd | Reflecting plate for annular fluorescent lamp |
| JPS58193404U (en) * | 1982-06-14 | 1983-12-22 | プロペツト株式会社 | Reflector |
| JPS61183009U (en) * | 1985-04-12 | 1986-11-14 | ||
| JP2009032486A (en) * | 2007-07-26 | 2009-02-12 | Panasonic Electric Works Co Ltd | Fixture for electrodeless discharge lamp, and luminaire |
| JP2009110689A (en) * | 2007-10-26 | 2009-05-21 | Panasonic Electric Works Co Ltd | Electrodeless discharge lamp device and lighting fixture |
| JP2009289495A (en) * | 2008-05-27 | 2009-12-10 | Panasonic Electric Works Co Ltd | Electrodeless discharge lamp, and luminaire |
| JP2014203558A (en) * | 2013-04-02 | 2014-10-27 | プロライト株式会社 | Electrodeless lighting device |
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