JP2012033332A

Movatterモバイル変換

Info

Publication number: JP2012033332A
Application number: JP2010170526A
Authority: JP
Inventors: Kenichi Kono; 研一河野; Kazuhiro Nakajima; 和広中島
Original assignee: Panasonic Electric Works Co Ltd
Current assignee: Panasonic Electric Works Co Ltd
Priority date: 2010-07-29
Filing date: 2010-07-29
Publication date: 2012-02-16
Anticipated expiration: 2030-07-29
Also published as: JP5635325B2

Abstract

【課題】空間の明るさ感を増加できる照明器具を提供する。
【解決手段】照明器具１０は、複数のＬＥＤ光源１５と、外側に立ち上がり面２７を有する反射板１７と、反射板１７の前面および外側面を覆うように配されたパネル１９とを備え、反射板１７の立ち上がり面２７とパネル１９との間に隙間３１を形成するとともにパネル１９の反射板１７の外側を覆う部分に光拡散部３２を形成した。
【選択図】図６A lighting apparatus capable of increasing the brightness of a space is provided.
A lighting fixture includes a plurality of LED light sources, a reflector having a rising surface on the outside, and a panel arranged to cover the front and outer surfaces of the reflector. A gap 31 was formed between the rising surface 27 of the plate 17 and the panel 19, and a light diffusing portion 32 was formed on the portion of the panel 19 that covers the outside of the reflecting plate 17.
[Selection] Figure 6

Description

Translated fromJapanese

本発明は、ＬＥＤを光源として例えば店舗や施設のベースライト等に適用される照明器具に関する。 The present invention relates to a lighting apparatus that uses an LED as a light source and is applied to, for example, a base light of a store or facility.

従来より、複数のＬＥＤ光源および反射板をパネルに収容した照明器具が知られている（例えば、特許文献１参照）。 Conventionally, a lighting fixture in which a plurality of LED light sources and a reflecting plate are housed in a panel is known (see, for example, Patent Document 1).

特開２００８−２７０１４４号公報（図２、段落００２８）JP 2008-270144 A (FIG. 2, paragraph 0028)

前述した特許文献１に記載された照明器具は、反射板が複数のＬＥＤ光源をそれぞれ取り囲んで配置されているために、複数のＬＥＤ光源からの光を床面に向けて照射することができる。
前述した特許文献１に記載された照明器具は、配光制御のための反射板がパネルの内面に取り付けられる。パネルは透明なアクリル材料等の透過材で構成される。The lighting fixture described in Patent Document 1 described above can irradiate light from the plurality of LED light sources toward the floor surface because the reflectors are arranged so as to surround the plurality of LED light sources.
In the luminaire described in Patent Document 1 described above, a reflector for light distribution control is attached to the inner surface of the panel. The panel is made of a transparent material such as a transparent acrylic material.

しかし、前述した特許文献１に記載された照明器具は、ＬＥＤ光源からの光が下方にのみ照射されて、パネルの側方へは照射されない。
従って、前述した特許文献１に記載された照明器具は、取付面である天井施工面に光が照射されず、空間の明るさ感が得られない。However, in the lighting apparatus described in Patent Document 1 described above, light from the LED light source is irradiated only downward, and is not irradiated to the side of the panel.
Therefore, the lighting fixture described in Patent Document 1 described above does not irradiate light on the ceiling construction surface, which is the mounting surface, and does not provide a feeling of brightness in the space.

本発明は、前述した課題を解決するためになされたものであり、その目的は、空間の明るさ感を増加できる照明器具を提供することにある。 The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lighting fixture that can increase the brightness of the space.

本発明に係る照明器具は、複数のＬＥＤ光源と、外側に立ち上がり面を有する反射板と、反射板の前面および外側面を覆うように配されたパネルとを備え、反射板の立ち上がり面とパネルとの間に隙間を形成するとともにパネルの反射板の外側を覆う部分に光拡散部を形成した。 A lighting fixture according to the present invention includes a plurality of LED light sources, a reflecting plate having a rising surface on the outside, and a panel arranged so as to cover the front surface and the outer surface of the reflecting plate, and the rising surface of the reflecting plate and the panel A light diffusing portion was formed in a portion covering the outside of the reflector of the panel while forming a gap therebetween.

本発明に係る照明器具は、反射板の頂点から外側面に至る部分に隙間を形成した。 The lighting fixture which concerns on this invention formed the clearance gap in the part from the vertex of a reflecting plate to an outer surface.

本発明に係る照明器具は、光拡散部は、ＬＥＤ光源と反射板の下方頂点とを結ぶ接線より外側に形成した。 In the luminaire according to the present invention, the light diffusion portion is formed outside the tangent line connecting the LED light source and the lower vertex of the reflector.

本発明に係る照明器具によれば、空間の明るさ感を増加できるという効果を奏する。 According to the lighting fixture concerning this invention, there exists an effect that the brightness feeling of space can be increased.

本発明に係る第１実施形態の照明器具の斜め下方から視た外観斜視図The external appearance perspective view seen from diagonally downward of the lighting fixture of 1st Embodiment which concerns on this invention図１の照明器具の斜め上方から視た外観斜視図FIG. 1 is an external perspective view of the lighting apparatus of FIG.図１の照明器具に適用されるパネルの斜め下方から視た外観斜視図FIG. 1 is an external perspective view of a panel applied to the lighting apparatus of FIG.図１の照明器具に適用される反射板部材の斜め下方から視た外観斜視図FIG. 1 is an external perspective view of a reflector member applied to the lighting apparatus of FIG.図１の照明器具の垂直断面図Vertical sectional view of the luminaire of FIG.図１の照明器具の要部の断面図Sectional drawing of the principal part of the lighting fixture of FIG.図１の照明器具の要部の詳細を説明する拡大断面図The expanded sectional view explaining the detail of the principal part of the lighting fixture of FIG.図１の照明器具の光学的な特性を説明する断面図Sectional drawing explaining the optical characteristic of the lighting fixture of FIG.本発明に係る第２実施形態の照明器具に適用されるパネルの斜め下方から視た外観斜視図The external appearance perspective view seen from diagonally downward of the panel applied to the lighting fixture of 2nd Embodiment which concerns on this invention（Ａ）は本発明に係る第３実施形態の照明器具に適用されるパネルの水平断面図、（Ｂ）は（Ａ）の垂直断面図(A) is a horizontal sectional view of the panel applied to the lighting fixture of 3rd Embodiment which concerns on this invention, (B) is a vertical sectional view of (A).図１０の照明器具に適用されるパネルの拡大断面図The expanded sectional view of the panel applied to the lighting fixture of FIG.

以下、本発明に係る複数の実施形態の照明器具について図面を参照して説明する。
(第１実施形態)
本発明に係る第１実施形態の照明器具１０は、天板１２と側板１３とを有して枠形状に形成された器具本体１１と、複数のＬＥＤ光源１５を実装した単一のＬＥＤ基板１６を有して器具本体１１の長手方向に複数配列されたＬＥＤユニット１４と、複数のＬＥＤ光源１５に対応した複数の反射板１８を有してＬＥＤユニット１４のそれぞれに組付けられた複数の反射板部材１７と、複数の反射板部材１７と同数であって複数の反射板部材１７に組付けられた複数のパネル１９と、点灯装置２０とを備えて店舗や施設の天井施工面１に直接取り付けられて設置されるベースライトに適用される。Hereinafter, the lighting fixture of several embodiment which concerns on this invention is demonstrated with reference to drawings.
(First embodiment)
Thelighting fixture 10 of 1st Embodiment which concerns on this invention has thetop LED 12 and theside plate 13, the fixturemain body 11 formed in the frame shape, and thesingle LED board 16 which mounted severalLED light source 15 in it. A plurality ofLED units 14 arranged in the longitudinal direction of theinstrument body 11 and a plurality ofreflection plates 18 corresponding to the plurality ofLED light sources 15 and assembled to each of theLED units 14. Directly on the ceiling construction surface 1 of a store or facility, including aplate member 17, a plurality ofpanels 19 that are the same number as the plurality ofreflector members 17 and assembled to the plurality ofreflector members 17, and alighting device 20. Applies to base lights installed and installed.

図１に本発明に係る第１実施形態の照明器具１０の斜め下方から視た外観斜視図を示し、図２に照明器具１０の斜め上方から視た外観斜視図を示す。
図１に示すように、照明器具１０は、器具本体１１が複数のＬＥＤユニット１４を側板１３の長手方向に収容している。単一のＬＥＤユニット１４は、器具本体１１の幅方向および長手方向に複数のＬＥＤ光源（図５参照)１５を配置している。FIG. 1 shows an external perspective view of thelighting apparatus 10 according to the first embodiment of the present invention as viewed from diagonally below, and FIG. 2 shows an external perspective view of thelighting apparatus 10 as viewed from diagonally above.
As shown in FIG. 1, in thelighting fixture 10, the fixturemain body 11 houses a plurality ofLED units 14 in the longitudinal direction of theside plate 13. Thesingle LED unit 14 has a plurality of LED light sources (see FIG. 5) 15 arranged in the width direction and the longitudinal direction of theinstrument body 11.

図２に示すように、点灯装置２０は、器具本体１１の上部に取り付けられた点灯装置箱２１内に収容されている。点灯装置２０は、不図示のＡＣ／ＤＣコンバータやインバータ回路等であり、駆動により商用電源を直流電源に変換してＬＥＤ基板１６に有するプリント回路に供給してＬＥＤ光源１５を発光させる。 As shown in FIG. 2, thelighting device 20 is accommodated in alighting device box 21 attached to the upper part of thefixture body 11. Thelighting device 20 is an AC / DC converter (not shown), an inverter circuit, or the like, which converts a commercial power source into a DC power source by driving and supplies it to a printed circuit on theLED board 16 to cause theLED light source 15 to emit light.

図３に照明器具１０に適用されるパネル１９の斜め下方から視た外観斜視図を示す。
図３に示すように、パネル１９は、透明なアクリル樹脂材料を用いて反射板部材１７を覆う形状に形成されている。パネル１９は意匠性を有する化粧パネルである。パネル１９は、底板２２を有するとともに、底板２２において器具本体１１の長手方向の端部側に配置される端板２３を有する。パネル１９は、器具本体１１の長手方向に直交する側部に側板２４を有し、側板２４の上端部にフランジ２５を有する。FIG. 3 shows an external perspective view of thepanel 19 applied to theluminaire 10 as viewed obliquely from below.
As shown in FIG. 3, thepanel 19 is formed in the shape which covers the reflectingplate member 17 using a transparent acrylic resin material. Thepanel 19 is a decorative panel having design properties. Thepanel 19 includes abottom plate 22 and anend plate 23 disposed on thebottom plate 22 on the end side in the longitudinal direction of theinstrument body 11. Thepanel 19 has aside plate 24 on a side portion orthogonal to the longitudinal direction of theinstrument body 11, and aflange 25 on the upper end portion of theside plate 24.

図４に照明器具１０に適用される反射板部材１７の斜め下方から視た外観斜視図を示す。
図４に示すように、反射板部材１７は、例えば白色の硬質な樹脂材料を基材として器具本体１１の天板１２の内側に収容される外形を有して形成されている。反射板部材１７には、ＬＥＤ光源１５の数と同数の反射板１８が形成されている。FIG. 4 shows an external perspective view of thereflector member 17 applied to theluminaire 10 as viewed obliquely from below.
As shown in FIG. 4, the reflectingplate member 17 is formed to have an outer shape that is accommodated inside thetop plate 12 of theinstrument body 11 using, for example, a white hard resin material as a base material. The same number ofreflectors 18 as the number ofLED light sources 15 are formed on thereflector member 17.

図５に照明器具１０の垂直断面図を示し、図６に照明器具１０の要部の断面図を示す。
図５に示すように、器具本体１１は、垂直断面視コ字形状の側板１３の内側に四角形の枠形状に形成された天板１２が溶接等により接合されている。ＬＥＤ基板１６は、天板１２の下方に配置されており、複数のＬＥＤ光源１５が下方に向けて光軸を有して所定位置に実装されている。反射板部材１７は、四角錐形状に配置された反射面２６を有する複数の反射板１８の外側に垂直方向に配置された立上板２７を有する。反射板部材１７は、複数の反射板１８の上方頂部に上方開口部２８を有し、上方開口部２８がＬＥＤ光源１５に対応して配置される。反射板部材１７は、ねじ２９のねじ込みにより器具本体１１の天板１２の下面に取り付けられている。FIG. 5 shows a vertical cross-sectional view of theluminaire 10, and FIG. 6 shows a cross-sectional view of a main part of theluminaire 10.
As shown in FIG. 5, the instrumentmain body 11 has atop plate 12 formed in a square frame shape joined to the inside of aside plate 13 having a U-shaped vertical sectional view by welding or the like. TheLED substrate 16 is disposed below thetop plate 12, and a plurality ofLED light sources 15 are mounted at predetermined positions with an optical axis facing downward. The reflectingplate member 17 has anupright plate 27 arranged in the vertical direction outside the plurality of reflectingplates 18 having the reflectingsurfaces 26 arranged in a quadrangular pyramid shape. Thereflector member 17 has anupper opening 28 at the top of the plurality ofreflectors 18, and theupper opening 28 is disposed corresponding to theLED light source 15. Thereflection plate member 17 is attached to the lower surface of thetop plate 12 of theinstrument body 11 by screwing in thescrews 29.

図６に示すように、パネル１９は、器具本体１１の天板１２の下方に配置された反射板部材１７の立上板２７を覆って配置されており、そのフランジ２５が器具本体１１の側板１３に支持されている。点灯装置箱２１は、ねじ３０により器具本体１１の側板１３に取り付けられている。 As shown in FIG. 6, thepanel 19 is disposed so as to cover the risingplate 27 of the reflectingplate member 17 disposed below thetop plate 12 of the instrumentmain body 11, and itsflange 25 is a side plate of the instrumentmain body 11. 13 is supported. Thelighting device box 21 is attached to theside plate 13 of the instrumentmain body 11 withscrews 30.

図７に照明器具１０の要部の詳細を説明する拡大断面図を示す。
図７に示すように、パネル１９は、反射板部材１７の立上板２７と間に第１隙間３１を有する。第１隙間３１は、反射板部材１７の外側の４方に配置されており、反射板部材１７とパネル１９との嵌合および温度上昇に伴う膨張を考慮した大きさを有する。パネル１９は、反射板部材１７の立上板２７の側部に配置される側板２４の内面に第１光拡散部３２を有する。第１光拡散部３２は、パネル１９の側板２４の長手方向に沿って形成される。第１光拡散部３２は、側板２４の内面を粗く仕上げた粗面仕上面であり第１隙間３１内に配置される。FIG. 7 shows an enlarged cross-sectional view illustrating details of a main part of thelighting fixture 10.
As shown in FIG. 7, thepanel 19 has afirst gap 31 between the risingplate 27 of the reflectingplate member 17. Thefirst gaps 31 are arranged on the outer four sides of thereflector member 17 and have a size that allows for the fitting between thereflector member 17 and thepanel 19 and the expansion associated with the temperature rise. Thepanel 19 has a firstlight diffusion portion 32 on the inner surface of theside plate 24 disposed on the side portion of the risingplate 27 of thereflector plate member 17. The firstlight diffusion portion 32 is formed along the longitudinal direction of theside plate 24 of thepanel 19. The firstlight diffusing portion 32 is a rough surface finish surface obtained by roughing the inner surface of theside plate 24, and is disposed in thefirst gap 31.

パネル１９は、側板２４の外面に第２光拡散部３３を有する。第２光拡散部３３は、パネル１９の側板２４の長手方向に沿って形成される。第２光拡散部３３は、側板２４の外面を粗く仕上げた粗面仕上面である。第１光拡散部３２および第２光拡散部３３は、ＬＥＤ光源１５と反射板部材１７の下方頂点３４とを結ぶ接線３５よりも外側に形成されている。そして、パネル１９は、その底板２２と反射板部材１７の下方頂点３４との間に第２隙間３６を有する。第２隙間３６は、ＬＥＤ光源１５からの光のうち、パネル１９の底板２２において反射した反射光を側板２４へ向ける。 Thepanel 19 has a secondlight diffusion portion 33 on the outer surface of theside plate 24. The secondlight diffusing portion 33 is formed along the longitudinal direction of theside plate 24 of thepanel 19. The secondlight diffusing unit 33 is a rough surface finished surface obtained by roughing the outer surface of theside plate 24. The firstlight diffusing unit 32 and the secondlight diffusing unit 33 are formed outside atangent line 35 connecting theLED light source 15 and thelower vertex 34 of thereflector member 17. Thepanel 19 has asecond gap 36 between thebottom plate 22 and thelower vertex 34 of the reflectingplate member 17. Thesecond gap 36 directs the reflected light reflected by thebottom plate 22 of thepanel 19 out of the light from theLED light source 15 to theside plate 24.

なお、第１光拡散部３２および第２光拡散部３３は、粗く仕上げた粗面仕上面に代えて、シボ加工等でもよい。また、拡散させたい部分のみの材質を、拡散率の高い材料に変更して２色成形したり、あるいは、拡散させたい部分に拡散シート等の別部材を挟んだりしてもよい。 The firstlight diffusing unit 32 and the secondlight diffusing unit 33 may be textured or the like instead of the rough finished surface. Further, the material of only the part to be diffused may be changed to a material having a high diffusivity and two-color molding may be performed, or another member such as a diffusion sheet may be sandwiched in the part to be diffused.

図８に照明器具１０の光学的な特性を説明する断面図を示す。
図７を含め、図８に示すように、照明器具１０は、点灯装置２０が駆動されることにより直流電源がＬＥＤ基板１６のプリント回路に供給されてＬＥＤ光源１５が発光される。ＬＥＤ光源１５からの光は、パネル１９の底板２２を透過して床面に照射されるとともに反射板部材１７の反射板１８に有する反射面２６により反射されてからパネル１９の底板２２を透過して床面に主に照射される。
そして、ＬＥＤ光源１５からの光の一部は、パネル１９の底板２２の内面において反射されてから、第２隙間３６を通じてパネル１９の側板２４へ向けて進行され、パネル１９の側板２４を透過して器具本体１１の側方へ向けて進行されて天井施工面１を照射することになる。FIG. 8 is a cross-sectional view illustrating the optical characteristics of thelighting fixture 10.
As shown in FIG. 8 including FIG. 7, in thelighting fixture 10, when thelighting device 20 is driven, DC power is supplied to the printed circuit of theLED substrate 16 and the LEDlight source 15 emits light. The light from the LEDlight source 15 passes through thebottom plate 22 of thepanel 19 and is irradiated on the floor surface, and is reflected by the reflectingsurface 26 of the reflectingplate 18 of the reflectingplate member 17 and then passes through thebottom plate 22 of thepanel 19. The floor is mainly irradiated.
A part of the light from the LEDlight source 15 is reflected on the inner surface of thebottom plate 22 of thepanel 19, then travels toward theside plate 24 of thepanel 19 through thesecond gap 36, and passes through theside plate 24 of thepanel 19. Then, the ceiling construction surface 1 is irradiated by being advanced toward the side of theinstrument body 11.

このとき、天井施工面１に照射される光は、点光源であるＬＥＤ光源１５の反射光および直接光ではなく、パネル１９と反射板部材１７との間の第１隙間３１を介して第１光拡散部３２および第２光拡散部３３により拡散されて生成された拡散光であるために、輝度むらによる外観低下を防止して天井施工面１を広範囲に明るく照射する。
また、第１光拡散部３２および第２光拡散部３３が、ＬＥＤ光源１５と反射板部材１７の下方頂点３４とを結ぶ接線３５よりも外側に形成されていることにより、下方への照射光を拡散により低下させることなく側方への照射光を拡散できる。At this time, the light applied to the ceiling construction surface 1 is not reflected light or direct light of theLED light source 15 that is a point light source, but is first through thefirst gap 31 between thepanel 19 and thereflector member 17. Since the diffused light is generated by being diffused by thelight diffusing unit 32 and the secondlight diffusing unit 33, the ceiling construction surface 1 is illuminated brightly over a wide range while preventing the appearance from being deteriorated due to uneven brightness.
Further, the firstlight diffusing unit 32 and the secondlight diffusing unit 33 are formed outside thetangent line 35 connecting theLED light source 15 and thelower apex 34 of the reflectingplate member 17, thereby irradiating light downward. Irradiation light to the side can be diffused without lowering by diffusion.

以上、説明した本発明に係る第１実施形態の照明器具１０は、パネル１９において反射板部材１７の立上板２７と間に第１隙間３１を有し、パネル１９において反射板部材１７の立上板２７の側部に配置される側板２４の内面に第１光拡散部３２を有する。
従って、本発明に係る第１実施形態の照明器具１０は、ＬＥＤ光源１５からの光の一部が、パネル１９と反射板部材１７の間の第１隙間３１を介して第１光拡散部３２により拡散された拡散光に生成されることにより天井施工面１を広範囲に明るく照射して空間の明るさ感を増加できる。As described above, thelighting apparatus 10 according to the first embodiment of the present invention described above has thefirst gap 31 between the risingplate 27 of thereflector member 17 in thepanel 19 and the standing of thereflector member 17 in thepanel 19. A firstlight diffusion portion 32 is provided on the inner surface of theside plate 24 disposed on the side portion of theupper plate 27.
Therefore, in theluminaire 10 according to the first embodiment of the present invention, a part of the light from the LEDlight source 15 passes through thefirst gap 31 between thepanel 19 and thereflection plate member 17, and the firstlight diffusion portion 32. By generating the diffused light diffused by the above, the ceiling construction surface 1 can be illuminated brightly over a wide area, and the brightness of the space can be increased.

また、本発明に係る第１実施形態の照明器具１０は、パネル１９において、その底板２２と反射板部材１７の下方頂点３４との間に第２隙間３６を有する。
従って、本発明に係る第１実施形態の照明器具１０は、第２隙間３６を通じて、ＬＥＤ光源１５からの光のうち、パネル１９の底板２２において反射した反射光を側板２４に効率良く向けることができる。Moreover, thelighting fixture 10 of 1st Embodiment which concerns on this invention has the2nd clearance gap 36 between thebottom plate 22 and thedownward vertex 34 of the reflectingplate member 17 in thepanel 19. FIG.
Therefore, thelighting fixture 10 according to the first embodiment of the present invention can efficiently direct the reflected light reflected by thebottom plate 22 of thepanel 19 out of the light from the LEDlight source 15 to theside plate 24 through thesecond gap 36. it can.

そして、本発明に係る第１実施形態の照明器具１０は、第１光拡散部３２および第２光拡散部３３が、ＬＥＤ光源１５と反射板部材１７の下方頂点３４とを結ぶ接線３５よりも外側に形成される。
従って、本発明に係る第１実施形態の照明器具１０は、第１光拡散部３２および第２光拡散部３３により、下方への照射光を拡散により低下させることなく側方への照射光を効率良く拡散できる。And as for thelighting fixture 10 of 1st Embodiment which concerns on this invention, the 1st light-diffusion part 32 and the 2nd light-diffusion part 33 are rather than thetangent line 35 which connects theLED light source 15 and thedownward vertex 34 of the reflectingplate member 17. Formed on the outside.
Therefore, thelighting fixture 10 of 1st Embodiment which concerns on this invention is the 1st light-diffusion part 32 and the 2nd light-diffusion part 33, and irradiates the irradiation light to a side, without reducing downward irradiation light by diffusion. Can diffuse efficiently.

（第２実施形態）
次に、本発明に係る第２実施形態の照明器具について説明する。なお、以下の各実施形態において、上述した第１実施形態と重複する構成要素や機能的に同様な構成要素については、図中に同一符号あるいは相当符号を付することによって説明を簡略化あるいは省略する。(Second Embodiment)
Next, the lighting fixture of 2nd Embodiment which concerns on this invention is demonstrated. In the following embodiments, components that are the same as those in the first embodiment described above or functionally similar components are simplified or omitted by giving the same reference numerals or equivalent symbols in the drawings. To do.

図９に本発明に係る第２実施形態の照明器具に適用されるパネルの斜め下方から視た外観斜視図を示す。
図９に示すように、本発明に係る第２実施形態の照明器具４０に適用されるパネル４１は、側板２４の外面に第２光拡散部３３を有するとともに端板２３の外面に第３光拡散部４２を有する。FIG. 9 shows an external perspective view of the panel applied to the lighting apparatus according to the second embodiment of the present invention as viewed obliquely from below.
As shown in FIG. 9, thepanel 41 applied to thelighting fixture 40 of the second embodiment according to the present invention has the secondlight diffusion portion 33 on the outer surface of theside plate 24 and the third light on the outer surface of theend plate 23. Adiffusion unit 42 is provided.

本発明に係る第２実施形態の照明器具４０は、パネル４１が、側板２４の外面に第２光拡散部３３を有するとともに端板２３の外面に第３光拡散部４２を有する。
従って、本発明に係る第２実施形態の照明器具４０は、ＬＥＤ光源１５からの光の一部が、第２光拡散部３３および第３光拡散部４２により拡散された拡散光に生成されることにより、照明器具４０の長手方向を含めて天井施工面１を広範囲に明るく照射して空間の明るさ感を増加できる。In thelighting fixture 40 according to the second embodiment of the present invention, thepanel 41 has the secondlight diffusing portion 33 on the outer surface of theside plate 24 and the thirdlight diffusing portion 42 on the outer surface of theend plate 23.
Therefore, in theluminaire 40 according to the second embodiment of the present invention, part of the light from the LEDlight source 15 is generated as diffused light diffused by the secondlight diffusing unit 33 and the thirdlight diffusing unit 42. Thereby, the ceiling construction surface 1 including the longitudinal direction of thelighting fixture 40 can be illuminated brightly over a wide area, and the brightness of the space can be increased.

（第３実施形態）
次に、本発明に係る第３実施形態の照明器具について説明する。
図１０（Ａ）に本発明に係る第３実施形態の照明器具に適用されるパネルの水平断面図を示し、図１０（Ｂ）に図１０（Ａ）の垂直断面図を示し、図１１に本発明に係る第３実施形態の照明器具に適用されるパネル拡大断面図を示す。(Third embodiment)
Next, the lighting fixture of 3rd Embodiment which concerns on this invention is demonstrated.
FIG. 10 (A) shows a horizontal sectional view of a panel applied to the lighting apparatus of the third embodiment according to the present invention, FIG. 10 (B) shows a vertical sectional view of FIG. 10 (A), and FIG. The panel expanded sectional view applied to the lighting fixture of 3rd Embodiment which concerns on this invention is shown.

図１０（Ａ）および図１０（Ｂ）に示すように、本発明に係る第３実施形態の照明器具５０に適用されるパネル５１は、側板２４の長手方向に光拡散部に相当するプリズム状の凹凸面５２を有する。
図１１に示すように、プリズム状の凹凸面５２は、例えば半球形状の凸部を連結して形成されている。As shown in FIGS. 10A and 10B, thepanel 51 applied to thelighting apparatus 50 of the third embodiment according to the present invention is a prism shape corresponding to a light diffusion portion in the longitudinal direction of theside plate 24. Theuneven surface 52 is provided.
As shown in FIG. 11, the prism-shapeduneven surface 52 is formed by connecting, for example, hemispherical convex portions.

本発明に係る第３実施形態の照明器具５０は、パネル５１が、側板２４の長手方向に光拡散用のプリズム状の凹凸面５２を有する。
従って、本発明に係る第３実施形態の照明器具５０は、パネル５１の凹凸面５２が、例えば、やすり等を用いて粗面仕上面を粗く仕上げる場合と比べて、成形を簡単にできる。In theluminaire 50 according to the third embodiment of the present invention, thepanel 51 has a prismaticuneven surface 52 for light diffusion in the longitudinal direction of theside plate 24.
Therefore, thelighting fixture 50 according to the third embodiment of the present invention can be easily formed as compared with the case where theuneven surface 52 of thepanel 51 is finished with a rough surface using a file or the like.

なお、本発明の照明器具において器具本体，ＬＥＤ光源，反射板等は前述した実施形態に限定されるものでなく、適宜な変形や改良等が可能である。 In the lighting fixture of the present invention, the fixture body, LED light source, reflector and the like are not limited to the above-described embodiments, and appropriate modifications and improvements can be made.

１０，４０，５０照明器具
１５ＬＥＤ光源
１７反射板部材(反射板)
１８反射板
１９，４１，５１パネル
２７立上板（立ち上がり面）
３１第１隙間（隙間）
３２第１光拡散部（光拡散部）
３３第２光拡散部（光拡散部）
３４下方頂点
３５接線
３６第２隙間（隙間）
４２第３光拡散部（光拡散部）
５２凹凸面（光拡散部）10, 40, 50Lighting fixture 15LED light source 17 Reflecting plate member (reflecting plate)
18Reflector 19, 41, 51Panel 27 Standing plate (rising surface)
31 First gap (gap)
32 1st light diffusion part (light diffusion part)
33 Second light diffusion part (light diffusion part)
34Lower vertex 35Tangent line 36 Second gap (gap)
42 3rd light diffusion part (light diffusion part)
52 Uneven surface (light diffusion part)

Claims

Translated fromJapanese

複数のＬＥＤ光源と、
外側に立ち上がり面を有する反射板と、
前記反射板の前面および外側面を覆うように配されたパネルとを備え、
前記反射板の前記立ち上がり面と前記パネルとの間に隙間を形成するとともに前記パネルの前記反射板の外側を覆う部分に光拡散部を形成した照明器具。A plurality of LED light sources;
A reflector having a rising surface on the outside;
A panel arranged to cover the front surface and the outer surface of the reflector,
The lighting fixture which formed the light-diffusion part in the part which covers the outer side of the said reflecting plate of the said panel while forming a clearance gap between the said standing surface of the said reflecting plate and the said panel.

請求項１に記載の照明器具において、
前記反射板の頂点から外側面に至る部分に隙間を形成した照明器具。The lighting fixture according to claim 1,
The lighting fixture which formed the clearance gap in the part from the vertex of the said reflecting plate to an outer surface.

請求項１または請求項２に記載の照明器具において、
前記光拡散部は、前記ＬＥＤ光源と前記反射板の下方頂点とを結ぶ接線より外側に形成した照明器具。The lighting fixture according to claim 1 or 2,
The light diffusing unit is an illumination fixture formed outside a tangent line connecting the LED light source and a lower apex of the reflector.