JP5489345B2 - lighting equipment - Google Patents

lighting equipment Download PDF

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Publication number
JP5489345B2
JP5489345B2 JP2010116702A JP2010116702A JP5489345B2 JP 5489345 B2 JP5489345 B2 JP 5489345B2 JP 2010116702 A JP2010116702 A JP 2010116702A JP 2010116702 A JP2010116702 A JP 2010116702A JP 5489345 B2 JP5489345 B2 JP 5489345B2
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Japan
Prior art keywords
fitting
reflecting plate
mounting
hole
lighting fixture
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JP2010116702A
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JP2011243509A (en
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有士 中川
裕亮 田島
英臣 古屋
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Priority to JP2010116702A priority Critical patent/JP5489345B2/en
Priority to PCT/JP2011/059754 priority patent/WO2011145425A1/en
Priority to CN201180024999.8A priority patent/CN102906493B/en
Publication of JP2011243509A publication Critical patent/JP2011243509A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Description

本発明は、例えばＬＥＤを光源として天井施工面に埋設されて、下方の照明に使用される照明器具に関する。   The present invention relates to a lighting fixture that is embedded in a ceiling construction surface using, for example, an LED as a light source and is used for lower illumination.

従来より，ＬＥＤを光源として用い、天井面に埋設されて使用される照明器具が知られている（例えば、特許文献１参照）。   2. Description of the Related Art Conventionally, a lighting fixture that uses an LED as a light source and is embedded in a ceiling surface is known (see, for example, Patent Document 1).

図８に示すように、特許文献１に記載の照明器具１００は、天井に設けられた取付け孔に挿入することで、設置されるダウンライトである。この照明器具１００は、略円筒形状であって下方に開口（開口部１０６）を有する器具本体１０２を有し、内部に光源としてＬＥＤ１０１を複数個実装した実装基板１０７を収容する。
器具本体１０２の上部には、ＬＥＤ１０１に電力を供給する電源装置１０３を有する。電源装置１０３は、アーム部１０４を介して器具本体外周の外側領域に位置するように設けられている。そして、複数の放熱フィン１０５を器具本体１０２の上面に設け、この放熱フィン１０５から略水平にアーム部１０４を結合させて、電源装置１０３を器具本体外周の外側領域に突出するように設けている。
この照明装置１００は、天井面に埋設され、器具本体１０２の開口１０６を天井面から露出するとともに、電源装置１０３等を天井面の裏側に収容する。 As shown in FIG. 8, the lighting fixture 100 described in Patent Document 1 is a downlight that is installed by being inserted into a mounting hole provided in a ceiling. This lighting fixture 100 has a fixture main body 102 having a substantially cylindrical shape and having an opening (opening portion 106) below, and houses a mounting substrate 107 on which a plurality of LEDs 101 are mounted as light sources.
A power supply device 103 that supplies power to the LED 101 is provided on the upper part of the instrument main body 102. The power supply device 103 is provided so as to be located in the outer region of the outer periphery of the instrument body via the arm portion 104. A plurality of radiating fins 105 are provided on the upper surface of the instrument main body 102, and the arm unit 104 is coupled substantially horizontally from the radiating fins 105 so as to project the power supply device 103 to an outer region on the outer periphery of the instrument main body. .
The lighting device 100 is embedded in the ceiling surface, exposes the opening 106 of the instrument body 102 from the ceiling surface, and houses the power supply device 103 and the like on the back side of the ceiling surface.

特開２００８−１５９４５５号公報（図１）Japanese Patent Laying-Open No. 2008-159455 (FIG. 1)

ところで、前述したような従来の照明器具１００においては、図９に示すように、実装基板１０７の前面に、ＬＥＤ１０１の光を所定の方向へ照射するための反射板１０８を取り付ける場合がある。すなわち、器具本体１０２の裏面側から、実装基板１０７および反射板１０８をネジ１０９で締め付けて取り付ける。
しかしながら、実装基板１０７の前面１０７Ａと、反射板１０８の裏面１０８Ａとが面接触しており、実装基板１０７の前面に反射板１０８を取り付ける際に、反射板１０８の位置決めが面倒であるという問題があった。 By the way, in the conventional lighting fixture 100 as described above, as shown in FIG. 9, a reflector 108 for irradiating the light of the LED 101 in a predetermined direction may be attached to the front surface of the mounting substrate 107. That is, the mounting substrate 107 and the reflection plate 108 are fastened and attached with screws 109 from the back side of the instrument body 102.
However, the front surface 107A of the mounting substrate 107 and the rear surface 108A of the reflecting plate 108 are in surface contact, and there is a problem that positioning of the reflecting plate 108 is troublesome when the reflecting plate 108 is attached to the front surface of the mounting substrate 107. there were.

本発明は、従来の問題を解決するためになされたものであり、反射板を実装基板に取り付ける際に、容易に位置決めできるとともに、光源を反射板の所定の位置に確実に取り付けることができる照明器具を提供することを目的とする。   The present invention has been made in order to solve the conventional problems. When the reflector is attached to the mounting substrate, the illumination can be easily positioned and the light source can be reliably attached to a predetermined position of the reflector. The purpose is to provide equipment.

本発明の照明器具は、光源を実装すると共に、嵌合穴を有する実装基板と、実装基板の前方に設けられ、光源の光を反射する反射板と、実装基板および反射板を収容して前方に開口すると共に、取付ネジを挿入するための取付ネジ穴を有する器具本体と、反射板の、前方側の面とは反対側の面である裏面に設けられる、嵌合穴に嵌合する嵌合凸部と、を備え、嵌合凸部は、嵌合凸部本体と、嵌合凸部本体の周囲に設けられる、反射板の前面側から裏面側に向けて先細りするテーパ部と、を有し、かつ、嵌合凸部本体の器具本体側の面には、器具本体の取付ネジ穴から挿入される取付ネジがねじ込まれるネジ穴が設けられており、反射板の嵌合凸部が実装基板の嵌合穴に挿嵌され、かつ、実装基板が器具本体の前方側の面に接触した状態で、反射板が器具本体に固定されるものである。 Luminaire of the present invention is to implement a light source, a mounting substrate having a fitting hole, provided in front of the mounting substrate, the light of the light source and reflector that morphism anti, houses the mounting substrate and the reflector while open forward, an instrument body having a mounting screw hole for inserting a mounting screw, anti radiation plate, provided on a rear surface which is the surface opposite to the front side surface, fitted to the fitting hole It includes a fitting projecting portion which, the fitting projection has a fitting projection body provided around the fitting projection body, a tapered portion which tapers toward the back side from the front side of the reflection plate And the surface of the fitting convex body on the side of the instrument body is provided with a screw hole into which a mounting screw inserted from the mounting screw hole of the instrument body is screwed. Part is inserted into the mounting hole of the mounting board, and the mounting board is in contact with the front surface of the instrument body. In which the plate is fixed to the instrument body.

また、本発明の照明器具は、反射板の前記嵌合凸部が、反射板の外周壁の近傍において、複数個設けられているものである。 The illumination devices of the present invention, the fitting projection of the reflector, Oite the vicinity of the outer peripheral wall of the reflector, in which are a plurality thereof.

さらに、本発明の照明器具は、実装基板の嵌合穴は多角形であり、反射板の嵌合凸部は、多角形である嵌合穴に嵌合する多角形の断面を有するものである。 Furthermore, in the lighting fixture of the present invention, the fitting hole of the mounting board is polygonal, and the fitting convex part of the reflector has a polygonal cross section that fits into the fitting hole that is a polygon. .

本発明は、反射板の裏面に設けた嵌合凸部の外面に、反射板の前面側から裏面側に向けて先細りするテーパを設け、この嵌合凸部を実装基板に設けられた嵌合穴に挿嵌するので、実装基板に対する反射板の相対的位置決めを確実に行うことができ、光源を反射板の所定の位置に容易に位置決めできるという効果を有する照明器具を提供できる。   In the present invention, a taper that tapers from the front surface side to the back surface side of the reflecting plate is provided on the outer surface of the fitting convex portion provided on the back surface of the reflecting plate, and the fitting convex portion is provided on the mounting substrate. Since it is inserted into the hole, the relative positioning of the reflecting plate with respect to the mounting substrate can be reliably performed, and a lighting fixture having an effect that the light source can be easily positioned at a predetermined position of the reflecting plate can be provided.

本発明に係る第１実施形態の照明器具を上方から見た全体斜視図The whole perspective view which looked at the lighting fixture of 1st Embodiment which concerns on this invention from upper direction （Ａ）は照明器具の側面図および断面図，（Ｂ）は（Ａ）中Ｂ部分の拡大図(A) is a side view and a cross-sectional view of a lighting fixture, (B) is an enlarged view of a portion B in (A). （Ａ）は実装基板に反射板を取り付けた状態を前方から見た斜視図、（Ｂ）は背面側から見た斜視図(A) is the perspective view which looked at the state which attached the reflecting plate to the mounting substrate from the front, (B) is the perspective view seen from the back side （Ａ）反射板を背面側から見た斜視図，（Ｂ）は（Ａ）中Ｂ部分の拡大平面図，（Ｃ）は（Ｂ）中Ｃ−Ｃ位置の断面図(A) The perspective view which looked at the reflecting plate from the back side, (B) is an enlarged plan view of B part in (A), (C) is sectional drawing of CC position in (B) 実装基板および反射板を器具本体に取り付けた状態を示す断面図Sectional drawing which shows the state which mounted the mounting board and the reflecting plate in the instrument main body 第２実施形態にかかる照明器具であり、（Ａ）は実装基板に反射板を取り付けた状態を前方から見た斜視図、（Ｂ）は背面側から見た平面図It is the lighting fixture concerning 2nd Embodiment, (A) is the perspective view which looked at the state which attached the reflecting plate to the mounting substrate from the front, (B) is the top view seen from the back side 第３実施形態にかかる照明器具であり、（Ａ）は実装基板に反射板を取り付けた状態を前方から見た斜視図、（Ｂ）は背面側から見た平面図It is a lighting fixture concerning 3rd Embodiment, (A) is the perspective view which looked at the state which attached the reflecting plate to the mounting substrate from the front, (B) is the top view seen from the back side 従来の照明器具の斜視図A perspective view of a conventional lighting fixture 従来の照明器具における問題点を示す断面図Sectional drawing which shows the problem in the conventional lighting fixture

（第１実施形態）
以下、本発明の第１実施形態の照明器具について、図面を用いて説明する。
図１および図２に示すように、本発明に係る実施形態の照明器具１０は、天井１１に設けられた取付穴１２に埋設して下方を照明するダウンライトとして用いることができる。照明器具１０は、器具本体２０と、器具本体２０に収容されたＬＥＤ発光部３０と、枠体４０と、点灯電源装置６０を有する。 (First embodiment)
Hereinafter, the lighting fixture of 1st Embodiment of this invention is demonstrated using drawing.
As shown in FIGS. 1 and 2, the lighting apparatus 10 according to the embodiment of the present invention can be used as a downlight that is embedded in a mounting hole 12 provided in a ceiling 11 and illuminates the lower part. The lighting fixture 10 includes a fixture main body 20, an LED light emitting unit 30 housed in the fixture main body 20, a frame body 40, and a lighting power supply device 60.

器具本体２０は、絶縁性を有する硬質な樹脂材料を用いて天板２１と周板２２（図２（Ｂ）参照）とを有する円筒形状に形成されており、前方（ここでは、下方）に開口している。天板２１の上面には、上方に向けて突出形成されている複数の放熱フィン２３と、ＬＥＤ発光部３０に点灯のための電力を供給する点灯電源装置６０が取り付けられている。点灯電源装置６０は、器具本体２０の天板２１から外側に大きく張り出して設けられており、外部の商用電源に電気的に接続されている。   The instrument body 20 is formed in a cylindrical shape having a top plate 21 and a peripheral plate 22 (see FIG. 2B) using a hard resin material having insulating properties, and forward (here, downward). It is open. A plurality of radiating fins 23 protruding upward and a lighting power supply device 60 that supplies power for lighting to the LED light emitting unit 30 are attached to the upper surface of the top plate 21. The lighting power supply device 60 is provided so as to protrude outward from the top plate 21 of the appliance body 20 and is electrically connected to an external commercial power source.

枠体４０は、器具本体２０の外径寸法と略同一の外径寸法を有する円筒形状に形成されており、器具本体２０の下側に一体的に組み付けられている。枠体４０の内面４１は、例えば楕円や放物面状の曲面に形成されており、ＬＥＤ発光部３０からの光を所定の方向および範囲に反射する。
枠体４０の下端面には、取り付け状態で天井１１の下面に露出する円環状の鍔部４２が一体的に設けられている。また、枠体４０の外周部４３には、複数（ここでは、例えば２個）の取付バネ４４が取り付けられている。 The frame body 40 is formed in a cylindrical shape having an outer diameter dimension substantially the same as the outer diameter dimension of the instrument body 20, and is integrally assembled to the lower side of the instrument body 20. The inner surface 41 of the frame 40 is formed in, for example, an ellipse or a parabolic curved surface, and reflects light from the LED light emitting unit 30 in a predetermined direction and range.
An annular flange 42 that is exposed on the lower surface of the ceiling 11 in an attached state is integrally provided on the lower end surface of the frame body 40. A plurality (for example, two) of attachment springs 44 are attached to the outer peripheral portion 43 of the frame body 40.

従って、照明器具１０を天井１１の取付穴１２に取り付ける際には、取付バネ４４を器具本体２０の上方（図２（Ａ）中矢印Ａ方向）へ弾性変形させて取付穴１２に挿入する。その後、手を放して取付バネ４４が、弾性力により水平方向（図２（Ａ）中矢印Ｂ方向）へ開くことにより、取付バネ４４の下面と鍔部４２の上面との間に天井１１を挟んで、照明器具１０を天井１１に固定する。   Therefore, when attaching the lighting fixture 10 to the mounting hole 12 of the ceiling 11, the mounting spring 44 is elastically deformed above the fixture body 20 (in the direction of arrow A in FIG. 2A) and inserted into the mounting hole 12. Thereafter, the hand 11 is released and the mounting spring 44 opens in the horizontal direction (in the direction of arrow B in FIG. 2A) by elastic force, so that the ceiling 11 is placed between the lower surface of the mounting spring 44 and the upper surface of the flange 42. The lighting fixture 10 is fixed to the ceiling 11 by sandwiching.

図２に示すように、ＬＥＤ発光部３０は、光源であるＬＥＤ３１と、ＬＥＤ３１が実装される実装基板であるＬＥＤ実装基板３２を有する。
ＬＥＤ実装基板３２は、中心に取り付け用の嵌合穴である貫通穴３２３（図３（Ｂ）参照）が設けられており、熱伝導シート３３を介して器具本体２０の下面に接触する。ＬＥＤ実装基板３２の下側には反射板３４が設けられる。
反射板３４は、ＬＥＤ３１の前方に位置する反射鏡部３４１が、ＬＥＤ３１の個数および配置（図３（Ａ）参照）に対応して設けられており、ＬＥＤ３１の光を下方へ反射する。また、反射板３４の下側には、透光性の前面パネル３５が設けられる。 As shown in FIG. 2, the LED light emitting unit 30 includes an LED 31 that is a light source and an LED mounting substrate 32 that is a mounting substrate on which the LED 31 is mounted.
The LED mounting board 32 is provided with a through hole 323 (see FIG. 3B) which is a fitting hole for attachment at the center, and contacts the lower surface of the instrument body 20 via the heat conductive sheet 33. A reflector 34 is provided below the LED mounting substrate 32.
The reflector 34 is provided with a reflecting mirror part 341 positioned in front of the LED 31 corresponding to the number and arrangement of the LEDs 31 (see FIG. 3A), and reflects the light of the LEDs 31 downward. Further, a translucent front panel 35 is provided below the reflecting plate 34.

図３および図４に示すように、反射板３４は、板状の反射板本体３４３および反射板本体３４３の外周縁に沿って立設された外周壁３４２を有し、反射板本体３４３には前述した複数の反射鏡部３４１が設けられている。
反射鏡部３４１は、反射板本体３４３の裏面３４３Ａから後方に向かって全体お椀状に突出して形成されており、頂部にＬＥＤ３１用の切欠き３４１Ａが設けられている。複数の反射鏡部３４１の間であって反射板本体３４３の中心には、裏面３４３Ａから後方へ突出する嵌合凸部であるボス３６が設けられている。 As shown in FIGS. 3 and 4, the reflecting plate 34 has a plate-like reflecting plate main body 343 and an outer peripheral wall 342 erected along the outer peripheral edge of the reflecting plate main body 343. The plurality of reflecting mirror portions 341 described above are provided.
The reflecting mirror part 341 is formed so as to protrude rearwardly from the rear surface 343A of the reflecting plate main body 343, and a notch 341A for the LED 31 is provided at the top. A boss 36, which is a fitting convex portion protruding backward from the back surface 343 </ b> A, is provided between the plurality of reflecting mirror portions 341 and at the center of the reflecting plate main body 343.

図４（Ｂ）および（Ｃ）に示すように、ボス３６は、円柱状のボス本体３６１と、ボス本体３６１の外周面に設けられたテーパ部としての複数のテーパリブ３６２を有する。ボス本体３６１の上面には、ＬＥＤ実装基板３２および反射板３４を器具本体２０にネジ止め（図５参照、取付けネジ２４）するためのネジ穴３６３が設けられている。また、テーパリブ３６２は、反射板３４の前面側から裏面側に向けて（図４（Ｃ）において上方）先細りする傾斜面を有する。   As shown in FIGS. 4B and 4C, the boss 36 includes a columnar boss body 361 and a plurality of tapered ribs 362 as taper portions provided on the outer peripheral surface of the boss body 361. On the upper surface of the boss main body 361, a screw hole 363 for screwing the LED mounting substrate 32 and the reflection plate 34 to the instrument main body 20 (see FIG. 5, the mounting screw 24) is provided. Further, the taper rib 362 has an inclined surface that tapers from the front surface side to the back surface side (upward in FIG. 4C) of the reflection plate 34.

図５に示すように、ボス３６の高さＨ１は、反射鏡部３４１の高さＨ２よりも高く、且つ、反射鏡部３４１の高さとＬＥＤ実装基板３２の厚さと熱伝導シート３３の厚さとを加えた高さを越えない。
なお、テーパ部は、複数のテーパリブ３６２のように離散的に設けることができるが、円錐台のように連続したテーパ面を設けることもできる。 As shown in FIG. 5, the height H1 of the boss 36 is higher than the height H2 of the reflecting mirror part 341, and the height of the reflecting mirror part 341, the thickness of the LED mounting substrate 32, and the thickness of the heat conductive sheet 33 It does not exceed the height added.
In addition, although a taper part can be provided discretely like the some taper rib 362, it can also provide a continuous taper surface like a truncated cone.

従って、ＬＥＤ実装基板３２および反射板３４を器具本体２０に取り付ける際には、反射板３４のボス３６をＬＥＤ実装基板３２の貫通穴３２３に挿嵌する。ボス３６の外周に設けられているテーパリブ３６２が貫通穴３２３の内周面に当接し、ボス３６を貫通穴３２３の中心に位置決めする。   Therefore, when attaching the LED mounting board 32 and the reflecting plate 34 to the instrument body 20, the boss 36 of the reflecting plate 34 is inserted into the through hole 323 of the LED mounting board 32. A tapered rib 362 provided on the outer periphery of the boss 36 abuts on the inner peripheral surface of the through hole 323, and positions the boss 36 at the center of the through hole 323.

そして、反射鏡部３４１の上面がＬＥＤ実装基板３２の下面に当接するまでボス３６を貫通穴３２３に押し込んでから、器具本体２０の取付ネジ穴２５に取付けネジ２４を挿入し、ボス３６のネジ穴３６３にねじ込む。
このとき、ボス３６の高さＨ１は、図５に示すように、反射鏡部３４１の高さＨ２よりも高いので、ボス３６の上部はＬＥＤ実装基板３２の貫通穴３２３に挿嵌される。また、ボス３６の高さＨ１は、反射鏡部３４１の高さＨ２とＬＥＤ実装基板３２の厚さと熱伝導シート３３の厚さとを加えた高さを越えないので、ＬＥＤ実装基板３２および反射板３４は、確実に器具本体２０の下面に接触して取り付けられる。 Then, the boss 36 is pushed into the through hole 323 until the upper surface of the reflecting mirror part 341 contacts the lower surface of the LED mounting substrate 32, and then the mounting screw 24 is inserted into the mounting screw hole 25 of the instrument body 20. Screw into hole 363.
At this time, as shown in FIG. 5, the height H1 of the boss 36 is higher than the height H2 of the reflecting mirror portion 341, so that the upper portion of the boss 36 is inserted into the through hole 323 of the LED mounting board 32. Further, the height H1 of the boss 36 does not exceed a height obtained by adding the height H2 of the reflecting mirror part 341, the thickness of the LED mounting substrate 32, and the thickness of the heat conductive sheet 33. 34 is securely attached to the lower surface of the instrument body 20.

以上、説明した本発明に係る第１実施形態の照明器具１０によれば、ＬＥＤ３１を実装したＬＥＤ実装基板３２の前方に、ＬＥＤ３１の光を所定の方向へ反射する反射板３４を取り付ける際に、ＬＥＤ実装基板３２に設けられた貫通穴３２３に反射板３４の裏面に設けられたボス３６を嵌合させる。
このとき、ボス３６の外面に設けられ、反射板３４の前面側から裏面側に向けて先細りするテーパリブ３６２を貫通穴３２３に挿嵌するので、ＬＥＤ実装基板３２に対する反射板３４の相対的位置決めを確実に行うことができ、ＬＥＤ３１を反射板３４の所定の位置に容易に位置決めできる。 As mentioned above, according to the lighting fixture 10 of 1st Embodiment which concerns on this invention demonstrated, when attaching the reflecting plate 34 which reflects the light of LED31 to a predetermined direction ahead of the LED mounting board 32 which mounted LED31, A boss 36 provided on the back surface of the reflecting plate 34 is fitted into a through hole 323 provided in the LED mounting substrate 32.
At this time, since the tapered rib 362 provided on the outer surface of the boss 36 and tapering from the front surface side to the back surface side of the reflection plate 34 is inserted into the through hole 323, the relative positioning of the reflection plate 34 with respect to the LED mounting substrate 32 is determined. Thus, the LED 31 can be easily positioned at a predetermined position of the reflector 34.

また、反射板３４のボス３６をＬＥＤ実装基板３２の貫通穴３２３に嵌合した状態でネジ止めするので、ＬＥＤ実装基板３２に対する反射板３４の相対的位置決めを確実に行って、ＬＥＤ３１を反射板３４の所定の位置に容易に固定できる。   Further, since the boss 36 of the reflecting plate 34 is screwed in a state where the boss 36 is fitted in the through hole 323 of the LED mounting substrate 32, the relative positioning of the reflecting plate 34 with respect to the LED mounting substrate 32 is surely performed, and the LED 31 is mounted on the reflecting plate. 34 can be easily fixed at a predetermined position.

（第２実施形態）
以下、本発明の第２実施形態の照明器具１０Ｂについて、図面を用いて説明する。なお、前述した第１実施形態の照明器具１０と共通する部位には同じ符号を付して、重複する説明を省略することとする。
図６（Ａ）および（Ｂ）に示すように、ボス３６は反射板３４の外周壁３４２の近傍に複数個（ここでは、例えば３個）設けられ、これに対応して、ＬＥＤ実装基板３２には複数個の貫通穴３２３が設けられている。 (Second Embodiment)
Hereinafter, the lighting fixture 10B of 2nd Embodiment of this invention is demonstrated using drawing. In addition, the same code | symbol is attached | subjected to the site | part which is common in the lighting fixture 10 of 1st Embodiment mentioned above, and the overlapping description is abbreviate | omitted.
As shown in FIGS. 6A and 6B, a plurality (for example, three) of the bosses 36 are provided in the vicinity of the outer peripheral wall 342 of the reflecting plate 34, and the LED mounting board 32 is correspondingly provided. Is provided with a plurality of through holes 323.

すなわち、ボス３６は、反射板３４の中心ではなく、外周部に設けられているので、ＬＥＤ実装基板３２および反射板３４を器具本体２０に安定して取り付けるためには、少なくとも３個設けるのが望ましい。また、ボス３６および貫通穴３２３の配置を非対称にすることにより、取付け方向を限定することができる。   That is, since the boss 36 is provided not on the center of the reflecting plate 34 but on the outer peripheral portion, at least three bosses 36 are provided in order to stably attach the LED mounting board 32 and the reflecting plate 34 to the instrument body 20. desirable. Further, the mounting direction can be limited by making the arrangement of the boss 36 and the through hole 323 asymmetric.

以上、説明した本発明に係る第２実施形態の照明器具１０Ｂによれば、ボス３６が反射板３４の外周壁３４２の近傍に設けられているので、ボス３６を反射板３４の中心に設けた場合のように中心回りに回転（図６（Ｂ）中矢印Ａ参照）するのを防止して、反射板３４がＬＥＤ実装基板３２に対して位置ずれするのを防止できる。   As described above, according to the luminaire 10B of the second embodiment according to the present invention described above, the boss 36 is provided in the vicinity of the outer peripheral wall 342 of the reflection plate 34. Therefore, the boss 36 is provided at the center of the reflection plate 34. It is possible to prevent rotation around the center (see arrow A in FIG. 6B) as in the case, and to prevent the reflector 34 from being displaced with respect to the LED mounting substrate 32.

（第３実施形態）
以下、本発明の第３実施形態の照明器具１０Ｃについて、図面を用いて説明する。なお、前述した第１実施形態の照明器具１０および第２実施形態の照明器具１０Ｂと共通する部位には同じ符号を付して、重複する説明を省略することとする。
図７（Ａ）および（Ｂ）に示すように、反射板３４の中心に設けたボス３６Ｃは、多角形断面を有する。また、ＬＥＤ実装基板３２の中心には、ボス３６Ｃの断面形状に対応して、多角形の貫通穴３２３Ｃが設けられている。
なお、ボス３６Ｃは、外周に前述したテーパリブ３６２（図４（Ｃ）参照）を設けたり、多角形錐台形状とすることができるが、単に多角形断面の柱状とすることもできる。 (Third embodiment)
Hereinafter, the lighting fixture 10C of 3rd Embodiment of this invention is demonstrated using drawing. In addition, suppose that the same code | symbol is attached | subjected to the site | part which is common in the lighting fixture 10 of 1st Embodiment mentioned above, and the lighting fixture 10B of 2nd Embodiment, and the overlapping description is abbreviate | omitted.
As shown in FIGS. 7A and 7B, the boss 36C provided at the center of the reflecting plate 34 has a polygonal cross section. In addition, a polygonal through hole 323C is provided at the center of the LED mounting substrate 32 corresponding to the cross-sectional shape of the boss 36C.
The boss 36C can be provided with the above-described tapered rib 362 (see FIG. 4C) on the outer periphery, or can be formed into a polygonal frustum shape, but can also be formed into a columnar shape with a polygonal cross section.

以上、説明した本発明に係る第３実施形態の照明器具１０Ｃによれば、嵌合穴３２３Ｃおよびボス３６Ｃが多角形断面をしているので、ＬＥＤ実装基板３２に対する反射板３４の相対的位置決めを確実に行うことができ、ＬＥＤ３１を反射板３４の所定の位置に容易に位置決めできる。   As mentioned above, according to the lighting fixture 10C of 3rd Embodiment which concerns on this invention demonstrated, since the fitting hole 323C and the boss | hub 36C have a polygonal cross section, relative positioning of the reflecting plate 34 with respect to the LED mounting board 32 is carried out. Thus, the LED 31 can be easily positioned at a predetermined position of the reflector 34.

なお、本発明の照明器具は、前述した各実施形態に限定されるものでなく、適宜な変形，改良等が可能である。   In addition, the lighting fixture of this invention is not limited to each embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

１０、１０Ｂ、１０Ｃ 照明器具
２０ 器具本体
２４ 取付けネジ
３１ ＬＥＤ（光源）
３２ ＬＥＤ実装基板（実装基板）
３２３，３２３Ｃ 貫通穴（嵌合穴）
３４ 反射板
３４２ 外周壁
３６，３６Ｃ ボス（嵌合凸部）
３６２ テーパリブ（テーパ部） 10, 10B, 10C Lighting fixture 20 Appliance main body 24 Mounting screw 31 LED (light source)
32 LED mounting board (mounting board)
323,323C Through hole (fitting hole)
34 Reflecting plate 342 Outer peripheral wall 36, 36C Boss (fitting convex part)
362 Tapered rib (tapered part)

Claims (3)

光源を実装すると共に、嵌合穴を有する実装基板と、
前記実装基板の前方に設けられ、前記光源の光を反射する反射板と、
前記実装基板および前記反射板を収容して前方に開口すると共に、取付ネジを挿入するための取付ネジ穴を有する器具本体と、
前記反射板の、前方側の面とは反対側の面である裏面に設けられる、前記嵌合穴に嵌合する嵌合凸部と、を備え、
前記嵌合凸部は、
嵌合凸部本体と、
前記嵌合凸部本体の周囲に設けられる、前記反射板の前面側から裏面側に向けて先細りするテーパ部と、
を有し、
かつ、前記嵌合凸部本体の前記器具本体側の面には、前記器具本体の前記取付ネジ穴から挿入される前記取付ネジがねじ込まれるネジ穴が設けられており、
前記反射板の前記嵌合凸部が前記実装基板の前記嵌合穴に挿嵌され、かつ、前記実装基板が前記器具本体の前方側の面に接触した状態で、前記反射板が前記器具本体に固定される照明器具。 Mounting the light source and mounting board having a fitting hole ;
Provided in front of the mounting substrate, a reflector for reflection of light of the light source,
An instrument body having a mounting screw hole for receiving the mounting board and the reflecting plate and opening forward and inserting a mounting screw ;
The reflector, the front-side surface is provided on the rear surface is a surface opposite, and a fitting convex portion to be fitted into the fitting hole,
The fitting projection is
A fitting convex body;
A taper portion tapering from the front surface side to the back surface side of the reflector, provided around the fitting convex body ;
Have
And, the surface of the fitting main body side of the fitting main body is provided with a screw hole into which the mounting screw inserted from the mounting screw hole of the tool main body is screwed.
In the state where the fitting convex portion of the reflecting plate is inserted into the fitting hole of the mounting board and the mounting board is in contact with the front surface of the tool body, the reflecting plate is the tool body. Lighting fixture fixed to . 請求項１に記載の照明器具において、
前記反射板の前記嵌合凸部が、前記反射板の外周壁の近傍において、複数個設けられている照明器具。 The lighting fixture according to claim 1 ,
Luminaire the fitting projection of the reflector, Oite the vicinity of the outer peripheral wall of the reflecting plate, it is a plurality thereof. 請求項１または請求項２に記載の照明器具において、
前記実装基板の前記嵌合穴は多角形であり、
前記反射板の前記嵌合凸部は、前記多角形である嵌合穴に嵌合する多角形の断面を有する照明器具。 The lighting fixture according to claim 1 or 2,
The fitting hole of the mounting board is polygonal,
The said fitting convex part of the said reflecting plate is a lighting fixture which has a polygonal cross section fitted to the fitting hole which is the said polygon .
JP2010116702A 2010-05-20 2010-05-20 lighting equipment Expired - Fee Related JP5489345B2 (en)

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