JP5125497B2 - Lighting unit - Google Patents

Lighting unit Download PDF

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JP5125497B2
JP5125497B2 JP2007336549A JP2007336549A JP5125497B2 JP 5125497 B2 JP5125497 B2 JP 5125497B2 JP 2007336549 A JP2007336549 A JP 2007336549A JP 2007336549 A JP2007336549 A JP 2007336549A JP 5125497 B2 JP5125497 B2 JP 5125497B2
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substrate
light emitting
reflector
light
reflector member
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JP2009158353A (en
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聡司 大関
洋 宮入
正人 小野
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Nichia Corp
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Nichia Corp
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Priority to JP2007336549A priority Critical patent/JP5125497B2/en
Priority to EP13171518.7A priority patent/EP2662612B1/en
Priority to EP08868831.2A priority patent/EP2233831B1/en
Priority to US12/810,746 priority patent/US8882289B2/en
Priority to PCT/JP2008/073810 priority patent/WO2009084664A1/en
Publication of JP2009158353A publication Critical patent/JP2009158353A/en
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Publication of JP5125497B2 publication Critical patent/JP5125497B2/en
Priority to US14/507,465 priority patent/US9726334B2/en
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Description

本発明は、半導体発光素子を光源として用いた照明ユニットに関し、例えば、ショーケース等の陳列棚に展示された物品の照明に用いられる照明ユニットに関するものである。   The present invention relates to an illumination unit that uses a semiconductor light emitting element as a light source, for example, an illumination unit that is used to illuminate articles displayed on a display shelf such as a showcase.

従来、ショーケース等の陳列棚に陳列された物品の照明に用いられる照明用光源として、蛍光灯が使用されている(特許文献1等参照)。この照明用光源は、ショーケース等に陳列された各種の商品を照明し、その商品の商品価値を示す上で、重要な役割を有するものである。また、ショーケース等に限らず、例えば、一般照明(室内灯、デスクライト等)、看板照明、壁面照明、歩道灯等においても、照明用光源として蛍光灯が使用されている。   Conventionally, a fluorescent lamp has been used as an illumination light source used to illuminate an article displayed on a display shelf such as a showcase (see Patent Document 1). The illumination light source has an important role in illuminating various products displayed in a showcase or the like and showing the product value of the product. Further, not only showcases and the like, for example, fluorescent lamps are used as illumination light sources in general lighting (room lights, desk lights, etc.), signboard lighting, wall surface lighting, sidewalk lights, and the like.

一方、近年、蛍光灯の替わりとなる照明用ユニットとして、発光ダイオードなどの半導体発光素子を光源として用いたライン状の照明ユニットが提案されている。例えば、基板の長手方向に沿って実装された複数個のLED(発光ダイオード)チップと、このLEDチップ全体を一体的に覆うように形成された略半円柱状、または、かまぼこ形状の透明樹脂部と、を備えた照明ユニットが提案されている(特許文献1)。この発光ダイオードなどの半導体発光素子は、蛍光灯に比べて寿命が長い、エネルギ効率が高いため低消費電力である、固体素子であるため取り扱いが容易かつ破損し難い、水銀等の環境影響物質を含まない、LED正面(半球)のみに光を発する点光源とみなせることから光学的制御が容易であり、灯具としたときの光利用効率を高めることができるなどの多くの利点がある。そのため、この半導体発光素子を光源とする照明用ユニットは、交換期間の長期化、取り扱いの容易さ等によるメンテナンスコスト、ランニングコストの低減を図ることができる。
特開2003−16830号公報 特開2002−299697号公報
On the other hand, in recent years, a line-shaped illumination unit using a semiconductor light emitting element such as a light emitting diode as a light source has been proposed as an illumination unit that replaces a fluorescent lamp. For example, a plurality of LED (light emitting diode) chips mounted along the longitudinal direction of the substrate, and a substantially semi-cylindrical or semi-cylindrical transparent resin portion formed so as to integrally cover the entire LED chip And the illumination unit provided with these is proposed (patent document 1). Semiconductor light-emitting elements such as light-emitting diodes have a longer life than fluorescent lamps, have low energy consumption due to their high energy efficiency, are solid-state elements that are easy to handle and difficult to break, and contain environmental impact substances such as mercury. Since it can be regarded as a point light source that emits light only to the front (hemisphere) of the LED, there are many advantages such as easy optical control and increased light utilization efficiency when used as a lamp. Therefore, the illumination unit using the semiconductor light emitting element as the light source can reduce the maintenance cost and the running cost due to the long replacement period and the ease of handling.
JP 2003-16830 A JP 2002-299697 A

しかし、従来の照明ユニットは、構成部品の結合や取り付けに際して、ネジ等の固定用部品を用いているため、取り付け作業の煩雑さ、さらに、組立後、長期間の使用中における各構成部品の取り付け強度の低下、また、振動等によるネジの欠落等の問題があるため、半導体発光素子を光源とする照明ユニットの長寿命、低消費電力、固体素子であるため取り扱いが容易かつ破損し難い、光利用効率の向上等のメリットを十分に生かせるものではなかった。   However, the conventional lighting unit uses fixing parts such as screws for connecting and installing the components, so that the installation work is complicated, and further, the components are installed during long-term use after assembly. There are problems such as reduced strength and missing screws due to vibrations, etc., so the lighting unit with a semiconductor light-emitting element as a light source has a long life, low power consumption, and it is a solid-state device that is easy to handle and difficult to break. Benefits such as improved usage efficiency could not be fully utilized.

そこで、本発明は、ネジ等の固定用部品を用いることなく、簡便かつ容易に、緊密に構成部品を組み立てることが可能で、しかも、組立後は、長期間に亘って構成部品の取り付け強度を維持することができ、ショーケース等の照明用光源として有用な照明ユニットを提供することにある。   Therefore, according to the present invention, it is possible to easily and easily assemble components without using fixing parts such as screws, and after assembly, the mounting strength of the components can be increased over a long period of time. An object of the present invention is to provide a lighting unit that can be maintained and useful as a light source for lighting such as a showcase.

前記課題を解決するため、本発明の照明ユニットは、半導体発光素子を有する発光部が、長手方向に沿って上面側に配列された基板と、前記基板の上面側に設けられ、前記発光部を覆うと共に発光部からの光を反射する反射部を内面に有するリフレクタ部材と、前記基板と前記リフレクタ部材とを上下から支持するように設けられたケース部材と、を備え、前記リフレクタ部材は、前記基板の光取り出し方向側の前側端縁に係合する係合爪を有し、前記基板の長手方向の両端から外方へ突設された基板把持端部と、前記ケース部材の長手方向の両端から外方へ突設され、前記基板把持部と重ね合うケース把持端部と、前記基板把持端部と前記ケース把持端部とを重ね合わせた状態で把持して回転可能に保持されるホルダー部材とを備えていることを特徴とする。 In order to solve the above problems, a lighting unit according to the present invention includes a light emitting unit having a semiconductor light emitting element arranged on an upper surface side along a longitudinal direction, and an upper surface side of the substrate. and a case member provided so as to support the reflector member, and said reflector member and the substrate from above and below with the inner surface of the reflection portion for reflecting light from the light emitting portion is covered, the reflector member, the A substrate gripping end having an engaging claw that engages with a front edge on the light extraction direction side of the substrate, projecting outward from both longitudinal ends of the substrate, and both longitudinal ends of the case member A case holding end that protrudes outward from and overlaps the substrate holding portion, and a holder member that holds the substrate holding end and the case holding end in a state of being overlapped and is rotatably held. and includes a And wherein the door.

また、前記ケース部材は、前記リフレクタ部材の背面を支持する上端縁と、前記上端縁に連設され、前記基板の下面を支持する底面とから構成されていることが好ましい。   Moreover, it is preferable that the said case member is comprised from the upper end edge which supports the back surface of the said reflector member, and the bottom face which is provided in a row by the said upper end edge and supports the lower surface of the said board | substrate.

さらに、前記ケース部材の上端縁は、前記基板の長手方向に沿って形成された係合条溝部を有し、前記リフレクタの背面は、前記係合条溝部と係合される係合突条部を有していることが好ましい。   Furthermore, the upper end edge of the case member has an engagement groove portion formed along the longitudinal direction of the substrate, and the rear surface of the reflector is an engagement protrusion portion engaged with the engagement groove portion. It is preferable to have.

前記ケース部材の底面は、前記基板の短手方向に沿って基板支持リブを有していることが好ましい。   It is preferable that the bottom surface of the case member has a substrate support rib along the short direction of the substrate.

また、前記基板の光取り出し方向側の前側端縁に係合する下係合部と、前記リフレクタ部材の光取り出し方向側の前側端縁に係合する上係合部とを備えるカバー部材が、前記基板と前記リフレクタ部材の光取り出し方向側の前面開口部に装着されていることが好ましい。 Further, a cover member comprising: a lower engagement portion that engages with a front end edge on the light extraction direction side of the substrate; and an upper engagement portion that engages with a front end edge on the light extraction direction side of the reflector member. It is preferable that the substrate and the reflector member are attached to the front opening on the light extraction direction side .

本発明の照明ユニットは、半導体発光素子を搭載した基板、光を反射する反射部を有するリフレクタ部材、およびケース部材、さらにはカバー部材を、ネジ等の固定用部品を用いることなく、簡便かつ容易に、緊密に組立てることが可能で、しかも、各構成部材を相互に結合させることによって、組立後は、長期間に亘って構成部品の取り付け強度を維持することができる。そのため、本発明の照明ユニットは、ショーケース、一般照明(室内灯、デスクライト等)、看板照明、壁面照明、歩道灯等の照明用光源として有用である。   The illumination unit of the present invention is a simple and easy method for mounting a substrate mounted with a semiconductor light emitting element, a reflector member having a reflecting portion for reflecting light, a case member, and a cover member without using fixing parts such as screws. In addition, it is possible to assemble the components closely, and furthermore, by attaching the components to each other, the mounting strength of the components can be maintained for a long period after the assembly. Therefore, the illumination unit of the present invention is useful as an illumination light source such as a showcase, general illumination (interior light, desk light, etc.), signboard illumination, wall surface illumination, and sidewalk light.

以下、本発明の照明ユニットについて、図面を用いて説明する。
図1は、本発明の照明ユニットの構成を示す分解斜視図、図2は、リフレクタ部材の背面側を示す斜視図、図3は、ケース部材を示す斜視図、図4(a)〜(d)は、本発明の照明ユニットの組立工程を説明する図、図5(a)は、本発明の照明ユニットの一部を示す斜視図、図5(b)は、本発明の照明ユニットの組立状態を説明する模式断面図、図5図6(a)は、本発明の照明ユニットを取り付けたショーケースを示す斜視図、図6(b)は、そのショーケースにおける照明光の配光状態を示す模式図である。
Hereinafter, the illumination unit of the present invention will be described with reference to the drawings.
1 is an exploded perspective view showing the configuration of the illumination unit of the present invention, FIG. 2 is a perspective view showing the back side of the reflector member, FIG. 3 is a perspective view showing the case member, and FIGS. FIG. 5A is a perspective view showing a part of the lighting unit of the present invention, and FIG. 5B is an assembly of the lighting unit of the present invention. FIG. 5A is a perspective view showing a showcase to which the illumination unit of the present invention is attached, and FIG. 6B is a view showing a light distribution state of illumination light in the showcase. It is a schematic diagram shown.

図1に示す照明ユニット1は、基板2と、リフレクタ部材3と、ケース部材4と、カバー部材5A,5Bと、ホルダー部材6A,6A,6B,6Bと、ブラケット7A,7Bとを備える。 The illumination unit 1 shown in FIG. 1 includes a substrate 2, a reflector member 3, a case member 4, cover members 5A and 5B, holder members 6A 1 , 6A 2 , 6B 1 and 6B 2 , brackets 7A and 7B, Is provided.

基板2は、回路基板21と、放熱基板22とで構成される。回路基板21には、長手方向に延長された矩形状に形成され、上面側に、半導体発光素子23aを含む複数の発光部23が長手方向に配列されている。この回路基板21には、上面の発光部23および下面に、半導体発光素子23aを発光させるために配線および配線パターン(図示せず)が設けられ、さらに、トランジスタ、抵抗、ツェナーダイオード等の半導体発光素子23aの発光のために用いられる各種素子が搭載されている。
この回路基板21としては、熱伝導性の高い材料を用いることが好ましく、ガラスエポキシ基板やアルミ基板が好適に用いられる。
The board 2 includes a circuit board 21 and a heat dissipation board 22. The circuit board 21 is formed in a rectangular shape extending in the longitudinal direction, and a plurality of light emitting portions 23 including the semiconductor light emitting elements 23a are arranged in the longitudinal direction on the upper surface side. The circuit board 21 is provided with wiring and a wiring pattern (not shown) for causing the semiconductor light emitting element 23a to emit light on the light emitting portion 23 on the upper surface and on the lower surface. Various elements used for light emission of the element 23a are mounted.
As the circuit board 21, it is preferable to use a material having high thermal conductivity, and a glass epoxy board or an aluminum board is preferably used.

放熱基板22は、例えば、アルミニウムや銅、鉄、ステンレスなどの熱伝導率の高い金属材料により構成されている。また、放熱基板22の形状は板状のみならず、フィンを下面側に有するヒートシンク形状などの各種の形状とすることができる。
この放熱基板22の長手方向の両端には、放熱基板22の長手方向の外側に向けて拡径する形状(逆テーパ状)を有する基板把持端部22a,22bが両端から外方へ突設されている。
The heat dissipation substrate 22 is made of a metal material having high thermal conductivity such as aluminum, copper, iron, and stainless steel. Further, the shape of the heat dissipation substrate 22 is not limited to a plate shape, and may be various shapes such as a heat sink shape having fins on the lower surface side.
At both ends of the heat dissipation substrate 22 in the longitudinal direction, substrate holding end portions 22a and 22b having a shape (reverse taper shape) that expands toward the outside in the longitudinal direction of the heat dissipation substrate 22 are projected outward from both ends. ing.

この基板2において、回路基板21と、放熱基板22とは、熱伝導性シート(図示していない)を介して結合されていることが好ましい。熱伝導性シートは、例えば、0.1〜10W/(m・K)程度以上の熱伝導率を有し、かつ、絶縁性のものが好ましい。これにより、回路基板21と放熱基板22との導通を防止し、発光部23の間の絶縁性が保持されるとともに、半導体発光素子23aから発生する熱を効率的に放熱することができる。熱伝導性シートしては、例えば、シリコーンゴム等を用いることができる。熱伝導性シートを用いる場合、その厚みは放熱性を高める為にできるだけ薄いもの(0.1mm以下)のものが好ましい。さらに、形状および大きさ等は、照明ユニットの大きさ、形状等を考慮して適宜調整することができるが、回路基板21と略同じ形状、同じ大きさであることが好ましい。   In this substrate 2, it is preferable that the circuit substrate 21 and the heat dissipation substrate 22 are coupled via a heat conductive sheet (not shown). The heat conductive sheet preferably has, for example, a thermal conductivity of about 0.1 to 10 W / (m · K) or more and is insulative. Thereby, electrical connection between the circuit board 21 and the heat dissipation board 22 is prevented, insulation between the light emitting portions 23 is maintained, and heat generated from the semiconductor light emitting element 23a can be efficiently radiated. As the heat conductive sheet, for example, silicone rubber or the like can be used. When using a heat conductive sheet, the thickness is preferably as thin as possible (0.1 mm or less) in order to enhance heat dissipation. Furthermore, the shape, size, and the like can be appropriately adjusted in consideration of the size, shape, etc. of the lighting unit, but are preferably substantially the same shape and size as the circuit board 21.

また、基板2において、回路基板21と、放熱基板22とが、一体的に構成されていてもよい。この場合、アルミや銅などの上に絶縁層を介して導電性のパターンが形成された基板である。   Moreover, in the board | substrate 2, the circuit board 21 and the thermal radiation board | substrate 22 may be comprised integrally. In this case, it is a substrate in which a conductive pattern is formed on an aluminum or copper via an insulating layer.

発光部23は、1個または複数個の半導体発光素子23aを含むものである。特に、RBGに対応した光を発光する半導体発光素子を用いることにより、単色の半導体発光素子を一個用いる場合よりも、色再現性を向上させることができる利点がある。半導体発光素子23aは、照明するための光を発光することが可能な半導体であれば特に限定されるものではなく、当該分野で使用されているもののいずれをも使用することができる。また、発光部23は、半導体発光素子チップ自体を用いてもよく、パッケージや被覆部材等により覆われていてもよい。パッケージや被覆部材としては、波長変換部材(例えば、蛍光体等)、拡散剤等を含有する部材を用いてもよい。   The light emitting unit 23 includes one or a plurality of semiconductor light emitting elements 23a. In particular, the use of a semiconductor light emitting element that emits light corresponding to RBG has an advantage that the color reproducibility can be improved as compared with the case of using a single monochromatic semiconductor light emitting element. The semiconductor light emitting element 23a is not particularly limited as long as it is a semiconductor capable of emitting light for illumination, and any of those used in the field can be used. Further, the light emitting unit 23 may use a semiconductor light emitting element chip itself, or may be covered with a package, a covering member, or the like. As the package or covering member, a member containing a wavelength conversion member (for example, a phosphor) or a diffusing agent may be used.

発光部23を構成する半導体発光素子23aは、基板2の上方側から観測した際の配光が略ランバート分布配光となることが好ましい。これにより、輝度ムラの少なく、高効率でグレアの少ない照明ユニットとすることができる。さらに発光部23は、基板2の上面に等間隔で配置されていることが好ましい。これにより、均一な光の分布を実現することができるとともに、半導体発光素子23aから発生する熱の分布を均等にすることができる。   In the semiconductor light emitting element 23a constituting the light emitting unit 23, it is preferable that the light distribution when observed from above the substrate 2 is a substantially Lambertian distributed light distribution. Thereby, it can be set as an illumination unit with little brightness nonuniformity, high efficiency, and few glare. Furthermore, it is preferable that the light emitting portions 23 are arranged at equal intervals on the upper surface of the substrate 2. As a result, a uniform light distribution can be realized, and a heat distribution generated from the semiconductor light emitting element 23a can be made uniform.

リフレクタ部材3は、基板2の両端の前側端縁24a,24b、および基板2の中央の前側端縁24cに係合する係合爪31a,31b,31cを、長手方向の両端および中央に設けた側板32a,32b,32cの前下端に有する。この係合爪31a,31b,31cと、基板2の前側端縁24a,24b,24cに係合させることによって、基板2にリフレクタ部材3が取り付けられる。   The reflector member 3 is provided with engaging claws 31a, 31b, 31c that engage with front end edges 24a, 24b at both ends of the substrate 2 and a front end edge 24c at the center of the substrate 2 at both ends and the center in the longitudinal direction. At the front lower end of the side plates 32a, 32b, 32c. The reflector member 3 is attached to the substrate 2 by engaging the engaging claws 31a, 31b, and 31c with the front end edges 24a, 24b, and 24c of the substrate 2.

また、リフレクタ部材3の背面には、図1および図2に示すように、背面32に長手方向に沿って係合突条部33A,33Bが突設されている。この係合突条部33A,33Bは、リフレクタ部材3の背面32の長手方向の全幅に亘って設けられていてもよいし、図1および図2に示すように、リフレクタ部材3の背面32を分割し、各分割部にそれぞれ1つまたは複数を突設されてもよい。また、この係合突条部33A,33Bは、図1および図2に示す後方に向けて突出した断面形状だけでなく、ケース部材4の係合条溝部41の形状に対応して嵌合する形状であれば、いずれの形状でもよい。この係合突条部33A,33Bが、ケース部材4の係合条溝部41に嵌合することによって、リフレクタ部材3とケース部材4とが結合される。   Further, as shown in FIG. 1 and FIG. 2, engaging protrusions 33 </ b> A and 33 </ b> B protrude from the back surface 32 along the longitudinal direction on the back surface of the reflector member 3. The engaging ridges 33A and 33B may be provided over the entire longitudinal length of the back surface 32 of the reflector member 3, or the back surface 32 of the reflector member 3 may be provided as shown in FIGS. It divides | segments and you may project one or more in each division part, respectively. Further, the engaging protrusions 33A and 33B are fitted not only in the cross-sectional shape protruding rearward as shown in FIGS. 1 and 2, but also in accordance with the shape of the engaging groove 41 of the case member 4. Any shape may be used as long as it has a shape. When the engaging protrusions 33 </ b> A and 33 </ b> B are engaged with the engaging groove portion 41 of the case member 4, the reflector member 3 and the case member 4 are coupled.

そして、このリフレクタ部材3は、基板2に設けられる発光部23を覆う内面に、発光部23に設けられる半導体発光素子23aから発光される光を反射する反射部34を有する。反射部34は、基板2の上面から後側端縁に亘って、複数の発光部23の上方を覆う上内面35、およびリフレクタ部材3の側板36a,36bの内面3a,3b、長手方向中央に設けられた中央側板37の内側面3c,3dに形成されている。   The reflector member 3 has a reflection part 34 that reflects light emitted from the semiconductor light emitting element 23 a provided on the light emitting part 23 on the inner surface covering the light emitting part 23 provided on the substrate 2. The reflecting portion 34 extends from the upper surface of the substrate 2 to the rear edge, and is provided on the upper inner surface 35 covering the upper side of the plurality of light emitting portions 23, the inner surfaces 3a and 3b of the side plates 36a and 36b of the reflector member 3, and the longitudinal center. It is formed on the inner side surfaces 3c and 3d of the central side plate 37 provided.

リフレクタ部材3の上内面35に設けられる反射部34は、基板2の上面に配列された複数の発光部23のそれぞれの上面および背面に、各発光部23に対応して複数の反射鏡面が組み合わされたマルチリフレクタを構成していることが好ましい。マルチリフレクタを構成する反射鏡面は、発光部23の半導体発光素子23aから発光される光を、それぞれ異なる光軸を有する反射光として、照明ユニット1の前面から出射させ、広い範囲に亘って均一な照度が得られるように、その曲面形状や光軸方向及び面積、発光部23に対する配置等が、発光部23の指向性に対するリフレクタ配置や発光部23までの距離、照射する領域までの距離および範囲、さらには照射する領域への光入射角度などに応じて適宜決定される。また、マルチリフレクタを構成する反射鏡面は、半導体発光素子23aからの光をそれぞれ異なる光軸を有する反射光として取り出すことが可能となるように配置角度が調整されていることが好ましい。これにより、広い範囲において均一な照度を有することが可能な照明ユニットを得ることができる。   The reflecting portion 34 provided on the upper inner surface 35 of the reflector member 3 is formed by combining a plurality of reflecting mirror surfaces corresponding to each light emitting portion 23 on the upper and rear surfaces of the plurality of light emitting portions 23 arranged on the upper surface of the substrate 2. It is preferable that the multi-reflector is configured. The reflecting mirror surface constituting the multi-reflector emits light emitted from the semiconductor light emitting element 23a of the light emitting unit 23 as reflected light having different optical axes from the front surface of the illumination unit 1, and is uniform over a wide range. In order to obtain illuminance, the curved surface shape, the optical axis direction and area, the arrangement with respect to the light emitting section 23, the reflector arrangement with respect to the directivity of the light emitting section 23, the distance to the light emitting section 23, the distance and range to the irradiation region Further, it is appropriately determined according to the light incident angle to the region to be irradiated. Moreover, it is preferable that the reflection mirror surface which comprises a multi-reflector is arrange | positioned so that the arrangement | positioning angle may be taken out so that the light from the semiconductor light-emitting element 23a can be taken out as reflected light which each has a different optical axis. Thereby, the illumination unit which can have uniform illumination intensity in a wide range can be obtained.

また、マルチリフレクタを構成する反射鏡面は、半導体発光素子23a(発光部23)から離れて配置される反射鏡面ほど大きな面積と長い焦点距離を有していることが好ましい。このようにマルチリフレクタを構成することにより、発光部23から離れて配置されている反射鏡面によって遠方を集光照射し、発光部23の近くに配置されている反射鏡面によって近距離を集光照射することが可能となり、より広い範囲において均一な照度を有することが可能な照明ユニットを得ることができる。例えば、このような形態の照明ユニットを、多段型オープンショーケースの最上部手前に取り付け、庫内側を照射すると、上方の棚だけでなく下方の棚まで均一に照射することができる。これにより、多段型オープンショーケースにおいて、庫内の各棚下部分に照明を取り付ける必要がなくなり、大幅にコストを下げることができる。また、半導体発光素子23aを用いることで、ランニングコストおよびメンテナンスコストも低減することができる。   Moreover, it is preferable that the reflective mirror surface which comprises a multi reflector has a larger area and a long focal distance, so that the reflective mirror surface arrange | positioned away from the semiconductor light emitting element 23a (light emission part 23). By constructing the multi-reflector in this way, the far-field is condensed and irradiated by the reflecting mirror surface arranged away from the light-emitting unit 23, and the short-distance is collected and irradiated by the reflecting mirror surface arranged near the light-emitting unit 23. It is possible to obtain a lighting unit capable of having uniform illuminance in a wider range. For example, when the lighting unit of such a form is attached in front of the uppermost part of the multistage open showcase and the inside of the cabinet is irradiated, it is possible to uniformly irradiate not only the upper shelf but also the lower shelf. Thereby, in a multistage open showcase, it is not necessary to attach lighting to each shelf lower part in the warehouse, and the cost can be greatly reduced. Further, by using the semiconductor light emitting element 23a, the running cost and the maintenance cost can be reduced.

マルチリフレクタを構成する反射鏡面は、輝度・色ムラが照射ムラに影響する半導体発光素子23aを使用する場合、マルチリフレクタ(反射部)の光反射面に拡散効果のある加工が施されていることが望ましい。   When the semiconductor light emitting element 23a whose luminance and color unevenness affects the irradiation unevenness is used for the reflecting mirror surface constituting the multireflector, the light reflecting surface of the multireflector (reflecting portion) is processed with a diffusion effect. Is desirable.

また、マルチリフレクタを構成する反射鏡面を発光部23からの光を集光する球面または非球面(放物面、楕円面等)とし、これらの配置角度を調整して得られたマルチリフレクタの形状が、発光部23を焦点とするシリンドリカルミラー形状であることが好ましい。これにより発光部23から出射された光が、長尺方向においては広範囲に照度・色むらがなく、短尺方向においては所望範囲に均一な照度分布となるよう効率よく集光される照明ユニットが得られる。また、マルチリフレクタを、発光部23を焦点とするデフォーカスミラー形状としてもよく、これにより、半導体発光素子23aの輝度ムラや色ムラを改善することができる利点がある。   In addition, the reflecting mirror surface constituting the multi-reflector is a spherical surface or an aspherical surface (parabolic surface, elliptical surface, etc.) for condensing the light from the light emitting section 23, and the shape of the multi-reflector obtained by adjusting these arrangement angles However, a cylindrical mirror shape with the light emitting portion 23 as a focal point is preferable. As a result, an illumination unit is obtained in which the light emitted from the light emitting unit 23 is efficiently condensed so that there is no illuminance / color unevenness in a wide range in the long direction and a uniform illuminance distribution in a desired range in the short direction. It is done. In addition, the multi-reflector may have a defocus mirror shape with the light emitting unit 23 as a focus, which has an advantage that luminance unevenness and color unevenness of the semiconductor light emitting element 23a can be improved.

さらに、リフレクタ部材3の上内面35に設けられるマルチリフレクタは、各発光部23の間に突出して、各発光部23に対応して設けられるマルチリフレクタを区画するサイドリフレクタ38を有することが好ましい。このように、複数の発光部23の間に突出したサイドリフレクタを有することによって、各発光部23から基板2の長手方向に向かう非利用光を基板2の短手方向である光取り出し方向(照明ユニット1の前面)側へ効率的に出射させることができる。   Furthermore, the multi-reflector provided on the upper inner surface 35 of the reflector member 3 preferably has a side reflector 38 that projects between the light-emitting portions 23 and partitions the multi-reflectors provided corresponding to the light-emitting portions 23. In this way, by having the side reflectors protruding between the plurality of light emitting units 23, unused light traveling from each light emitting unit 23 in the longitudinal direction of the substrate 2 is extracted in the light extraction direction (illumination) which is the short direction of the substrate 2. The light can be efficiently emitted toward the front side of the unit 1.

このリフレクタ部材3は、ABS、ポリカーボネート、アクリル等の樹脂成型品に光反射性の高い金属膜を蒸着、メッキしたもの、またはAl等金属プレス品に光反射性の高い金属膜を蒸着、メッキしたもの、もしくは高反射膜形成済みAl板材等をプレス加工したものなどにより、形成することができる。   The reflector member 3 is formed by depositing and plating a metal film with high light reflectivity on a resin molded product such as ABS, polycarbonate, or acrylic, or depositing and plating a metal film with high light reflectivity on a metal press product such as Al. It can be formed by a material such as a high-reflection film-formed Al plate or the like.

ケース部材4は、図3に示すように、リフレクタ部材3の係合突条部33A,33Bと係合する係合条溝部41を、上端縁に有する。この係合条溝部41は、ケース部材4の上端縁に突出した上端舌辺42Aと、下端舌辺42Bとで形成される。この係合条溝部41の短手方向の幅(上端舌辺42Aと、下端舌辺42Bの間の距離)は、リフレクタ部材3の係合突条部33A,33Bが嵌合するように形成される。   As shown in FIG. 3, the case member 4 has an engagement groove portion 41 that engages with the engagement protrusions 33 </ b> A and 33 </ b> B of the reflector member 3 at the upper end edge. The engagement groove portion 41 is formed by an upper end tongue side 42 </ b> A protruding from the upper end edge of the case member 4 and a lower end tongue side 42 </ b> B. The width of the engagement groove 41 in the short direction (the distance between the upper tongue 42A and the lower tongue 42B) is formed so that the engagement protrusions 33A and 33B of the reflector member 3 are fitted. The

このケース部材4において、係合条溝部41は、図1および図3に示すように、ケース部材4の上端縁に突出した上端舌辺42Aと下端舌辺42Bとで形成される形状に限定されず、リフレクタ部材3の背面に突設される係合突条部33A,33Bに応じて、適宜、その形状が決定される。   In this case member 4, the engagement groove portion 41 is limited to a shape formed by an upper end tongue side 42 </ b> A and a lower end tongue side 42 </ b> B protruding from the upper end edge of the case member 4, as shown in FIGS. 1 and 3. First, the shape is appropriately determined according to the engaging protrusions 33A and 33B protruding from the back surface of the reflector member 3.

また、ケース部材4は、係合条溝部41が設けられた上端縁に連設された底面側に、基板2の下面側を支持する基板支持リブ43a,43b,43c,43d,43eが植設されている。両端の基板支持リブ43a,43eは、ケース部材4の側端を形成する。また、基板支持リブ43a,43b,43c,43d,43eは、その上面44が、内背面に設けられた支持面45とともに、面一に形成され、基板2の下面側を支持する。   Further, the case member 4 is provided with substrate support ribs 43a, 43b, 43c, 43d, and 43e for supporting the lower surface side of the substrate 2 on the bottom surface side provided continuously with the upper end edge provided with the engagement groove portion 41. Has been. The substrate support ribs 43 a and 43 e at both ends form the side ends of the case member 4. The substrate support ribs 43 a, 43 b, 43 c, 43 d, and 43 e have upper surfaces 44 that are flush with the support surfaces 45 provided on the inner and rear surfaces, and support the lower surface side of the substrate 2.

そして、ケース部材4の長手方向の両端には、ケース部材4の長手方向の外方に向けて拡径する形状(逆テーパ状)を有するケース把持端部46a,46bが外方へ突設されている。照明ユニット1の組立に際して、このケース把持端部46a,46bは、基板2の放熱部材22の両端に設けられた基板把持端部22a,22bと重ね合わせられ、その重ね合わせ部分を、上下一対のホルダー部材6A,6Aおよびホルダー部材6B,6Bで挟み、重ね合わされた各ホルダー部材6A,6A,6B,6Bのテーパ溝6a,6bの間に嵌合して把持される。重ね合わされたケース把持端部46a,46bと、基板把持端部22a,22bとを把持したホルダー部材6A,6A,6B,6Bは、ブラケット7A,7Bの嵌合孔8A,8Bに嵌合される。このとき、ホルダー部材6A,6A,6B,6Bの外周に穿設された回動溝9a,9bに、ブラケット7A,7Bの嵌合孔8A,8Bの内側面に設けられた摺動リブ10aが摺動可能に嵌合される。これによって、基板2とケース部材4が回転自在に保持される。 Case holding end portions 46 a and 46 b having a shape (reverse taper shape) that increases in diameter toward the outside in the longitudinal direction of the case member 4 project outwardly at both ends in the longitudinal direction of the case member 4. ing. When the lighting unit 1 is assembled, the case gripping end portions 46a and 46b are overlapped with the substrate gripping end portions 22a and 22b provided at both ends of the heat radiating member 22 of the substrate 2, and the overlapped portions are paired up and down. The holder members 6A 1 , 6A 2 and the holder members 6B 1 , 6B 2 are sandwiched and fitted between the taper grooves 6a, 6b of the holder members 6A 1 , 6A 2 , 6B 1 , 6B 2 superimposed. The The holder members 6A 1 , 6A 2 , 6B 1 , 6B 2 holding the overlapped case holding end portions 46a, 46b and the substrate holding end portions 22a, 22b are inserted into the fitting holes 8A, 8B of the brackets 7A, 7B. Mated. At this time, the sliding grooves provided on the inner side surfaces of the fitting holes 8A and 8B of the brackets 7A and 7B are inserted into the rotation grooves 9a and 9b formed in the outer periphery of the holder members 6A 1 , 6A 2 , 6B 1 and 6B 2. The moving rib 10a is slidably fitted. As a result, the substrate 2 and the case member 4 are rotatably held.

カバー部材5A,5Bは、図1に示すように、下端辺に、基板2の前側端縁25に係合する下係合部51A,51Bと、上端辺に、リフレクタ部材3の前側端縁39に係合する上係合部52A,52Bとを備える。そして、下係合部51A,51Bは、それぞれの両端に、基板2の放熱部材22に穿設された嵌合口22a,22b,22c,22dに、放熱部材22の下面側から嵌合する嵌合爪53a,53b,53c,53d(図1には、53dのみを図示している)を有する。また、上係合部52A,52Bは、それぞれの両端に、リフレクタ部材3の前側端縁の端部40a,40b,40c,40dに係合する係合爪55a,55b,55c,55dを有する。この下係合部51A,51Bと、上係合部52A,52Bとを、基板2の前側端縁25およびリフレクタ部材3の前側端縁39に係合することによって、基板2とリフレクタ部材3とで構成される前面開口部(光取り出し側)にカバー部材5A,5Bが装着される。このとき、下係合部51A,51Bの嵌合爪53a,53b,53c,53dは、基板2の放熱部材22に穿設された嵌合口26a,26b,26c,26dに嵌合され、上係合部52A,52Bの係合爪55a,55b,55c,55dは、リフレクタ部材3の反射部34の上方に形成された前側端縁の端部40a,40b,40c,40dに係合する。これによって、カバー部材5A,5Bが、基板2およびリフレクタ部材3とに、緊密に固着される。   As shown in FIG. 1, the cover members 5 </ b> A and 5 </ b> B have lower engaging portions 51 </ b> A and 51 </ b> B that engage with the front end edge 25 of the substrate 2 on the lower end side, and the front end edge 39 of the reflector member 3 on the upper end side. And upper engaging portions 52A and 52B that are engaged with each other. The lower engaging portions 51A and 51B are fitted to the fitting ports 22a, 22b, 22c, and 22d formed in the heat radiating member 22 of the substrate 2 at both ends from the lower surface side of the heat radiating member 22. Claws 53a, 53b, 53c and 53d (only 53d is shown in FIG. 1). The upper engaging portions 52A and 52B have engaging claws 55a, 55b, 55c, and 55d that engage with the end portions 40a, 40b, 40c, and 40d of the front end edge of the reflector member 3 at both ends. By engaging the lower engagement portions 51A and 51B and the upper engagement portions 52A and 52B with the front end edge 25 of the substrate 2 and the front end edge 39 of the reflector member 3, the substrate 2 and the reflector member 3 The cover members 5A and 5B are attached to the front opening (light extraction side) constituted by At this time, the fitting claws 53a, 53b, 53c, and 53d of the lower engaging portions 51A and 51B are fitted into the fitting ports 26a, 26b, 26c, and 26d formed in the heat radiating member 22 of the substrate 2, and The engaging claws 55a, 55b, 55c, and 55d of the joining portions 52A and 52B engage with the end portions 40a, 40b, 40c, and 40d of the front end edge formed above the reflecting portion 34 of the reflector member 3. As a result, the cover members 5A and 5B are firmly fixed to the substrate 2 and the reflector member 3.

このカバー部材5A,5Bは、半導体発光素子23aからの光を透過することが可能な材料であれば特に限定されず、当該分野で公知の材料によって形成することができる。例えば、軽量で、強度の強いプラスチック、特に加工性および耐熱性を考慮すると、ポリカーボネートやアクリルなどの樹脂材料にて構成されていることが好ましい。ここで、光透過性とは、搭載する半導体発光素子23aからの光を100%透過することが好ましいが、混色、色むら等を考慮して、半透明および不透明(例えば、光透過性が50%程度以上、乳白色のもの等)のものも含むものとする。   The cover members 5A and 5B are not particularly limited as long as they are materials that can transmit light from the semiconductor light emitting element 23a, and can be formed of materials known in the art. For example, it is preferably made of a lightweight and strong plastic, particularly a resin material such as polycarbonate or acrylic in consideration of workability and heat resistance. Here, the light transmission is preferably 100% transmission of light from the mounted semiconductor light emitting element 23a. However, in consideration of color mixing, color unevenness, and the like, it is translucent and opaque (for example, the light transmission is 50). % Or more, milky white, etc.).

また、このカバー部材5A,5Bは、光拡散効果を有するものでもよい。光拡散効果を有するカバー部材5A,5Bを用いることにより、輝度・色ムラが照射ムラに影響する半導体発光素子23aを使用した場合にも、これらの照射ムラを抑制することが可能な照明ユニットを得ることができる。ここで、光拡散効果とは、半導体発光素子23aからの光を拡散し得る部材を意味し、カバー部材自体に光拡散処理が施されていてもよいし、カバー部材5A,5Bに光拡散効果を有する他の部材を組み合わせてもよい。例えば、カバー部材5A,5Bの正面側および/または背面側(内側)に拡散シート(例えば、半透明および乳白色樹脂製の厚さの薄いシート)を貼り付けてもよいし、カバー部材5A,5Bの正面側および/または背面にサンドブラスト、研磨等の粗面処理を施してもよい。さらに、カバー部材5A,5Bを形成する材料自体に拡散剤(例えば、酸化シリコン等のフィラー等)を混入してもよい。これにより、各半導体発光素子23aからの光を均一なひとつの面光源とすることができる。   The cover members 5A and 5B may have a light diffusion effect. By using the cover members 5A and 5B having a light diffusing effect, an illumination unit capable of suppressing these irradiation unevenness even when the semiconductor light emitting element 23a in which the brightness / color unevenness affects the irradiation unevenness is used. Can be obtained. Here, the light diffusion effect means a member capable of diffusing light from the semiconductor light emitting element 23a, and the cover member itself may be subjected to a light diffusion process, or the cover members 5A and 5B may have a light diffusion effect. You may combine the other member which has. For example, a diffusion sheet (for example, a thin sheet made of translucent and milky white resin) may be attached to the front side and / or the back side (inside) of the cover members 5A and 5B, or the cover members 5A and 5B. A rough surface treatment such as sand blasting or polishing may be applied to the front side and / or the back side. Further, a diffusing agent (for example, a filler such as silicon oxide) may be mixed in the material forming the cover members 5A and 5B. Thereby, the light from each semiconductor light emitting element 23a can be made into one uniform surface light source.

次に、本発明の照明ユニット1の組立方法について説明する。
本発明の照明ユニット1の組立に際しては、先ず、図4(a)に示すように、回路基板21と放熱基板22を結合して構成される基板2に、リフレクタ部材3を取り付ける。回路基板21と、放熱基板22とは、熱伝導性シート(図示せず)を介して結合してもよい。
Next, a method for assembling the lighting unit 1 according to the present invention will be described.
In assembling the lighting unit 1 of the present invention, first, as shown in FIG. 4A, the reflector member 3 is attached to the substrate 2 configured by coupling the circuit substrate 21 and the heat dissipation substrate 22. The circuit board 21 and the heat dissipation board 22 may be coupled via a heat conductive sheet (not shown).

基板2へのリフレクタ部材3の取り付けは、リフレクタ部材3の両端および中央に設けた側板32a,32b,32cの前下端に有する係合爪31a,31b,31cを、基板2の両端の前側端縁24a,24b、および基板2の中央の前側端縁24cに係合させることによって行うことができる。   The reflector member 3 is attached to the substrate 2 by engaging the engaging claws 31a, 31b, and 31c provided at the front and lower ends of the side plates 32a, 32b, and 32c provided at both ends and the center of the reflector member 3 at the front edge of both ends of the substrate 2. 24a, 24b and the front edge 24c at the center of the substrate 2 can be engaged.

そして、図4(b)に示すように、リフレクタ部材3を取り付けた基板2を、ケース部材4に取り付ける。このとき、基板2(放熱部材22)の下面側を、ケース部材4の基板支持リブ43a,43b,43c,43d,43eの上面44の上に置き、前面側からケース部材4の奥に基板2およびリフレクタ部材3を突き入れる。これによって、基板2(放熱部材22)の下面側が、ケース部材4の基板支持リブ43a,43b,43c,43d,43eの上面44および内背面に設けられた支持面45によって支持される。そして、同時に、リフレクタ部材3の背面に設けられた係合突条部33A,33Bが、ケース部材3の上端舌辺42Aと、下端舌辺42Bの間に形成された係合条溝部41(図3参照)に嵌合する(図5(b)参照)。この基板支持リブ43a,43b,43c,43d,43eの上面44によって支持された基板2の下面と、ケース部材4の底面4bとの間に、図5(b)に示すように、空気が流通する放熱流路13が形成される。この放熱流路13を流通する空気によって、発光部23の半導体発光素子23aの発光時に発生する熱を迅速かつ十分な放熱量で放熱して、半導体発光素子23aおよび基板2を冷却することができる。また、半導体発光素子23aの発光によって生じる熱によって、照明ユニット1によって照明される物品、あるいは照明ユニット1を取り付ける装置等の温度が上昇することを防止できる。   Then, as shown in FIG. 4B, the substrate 2 to which the reflector member 3 is attached is attached to the case member 4. At this time, the lower surface side of the substrate 2 (heat radiating member 22) is placed on the upper surface 44 of the substrate support ribs 43a, 43b, 43c, 43d, 43e of the case member 4, and the substrate 2 extends from the front surface to the back of the case member 4. And the reflector member 3 is inserted. Thus, the lower surface side of the substrate 2 (heat radiation member 22) is supported by the upper surfaces 44 of the substrate support ribs 43a, 43b, 43c, 43d, and 43e of the case member 4 and the support surfaces 45 provided on the inner and rear surfaces. At the same time, the engaging protrusions 33A and 33B provided on the back surface of the reflector member 3 are formed between the upper and lower tongues 42A and 42B of the case member 3 (see FIG. 3) (see FIG. 5B). As shown in FIG. 5B, air flows between the lower surface of the substrate 2 supported by the upper surfaces 44 of the substrate support ribs 43a, 43b, 43c, 43d, and 43e and the bottom surface 4b of the case member 4. A heat radiation channel 13 is formed. With the air flowing through the heat radiation channel 13, heat generated when the semiconductor light emitting element 23a of the light emitting unit 23 emits light can be quickly and sufficiently radiated to cool the semiconductor light emitting element 23a and the substrate 2. . Moreover, it can prevent that the temperature of the articles | goods illuminated by the illumination unit 1, or the apparatus which attaches the illumination unit 1 etc. rises with the heat which generate | occur | produces by light emission of the semiconductor light-emitting device 23a.

次に、図4(c)に示すように、上下一対のホルダー部材6A,6Aおよびホルダー部材6B,6B、ならびにブラケット7A,7Bを装着するとともに、カバー部材5A,5Bを前面開口部に取り付ける。 Next, as shown in FIG. 4C, a pair of upper and lower holder members 6A 1 and 6A 2 and holder members 6B 1 and 6B 2 and brackets 7A and 7B are mounted, and the cover members 5A and 5B are opened on the front surface. Attach to the part.

ホルダー部材6A,6A,6B,6Bおよびブラケット7A,7Bの取り付けは、以下のようにして行われる。
まず、前記図4(b)に示すとおり、リフレクタ部材3を取り付けた基板2を、ケース部材4に取り付けることによって、ケース部材4の両端のケース把持端部46a,46bと、基板2の放熱部材22の両端に設けられた基板把持端部22a,22bと重ね合わせられている。この重ね合わせ部分を、上下一対のホルダー部材6A,6Aおよびホルダー部材6B,6Bで挟み、重ね合わされた各ホルダー部材6A,6A,6B,6Bのテーパ溝6a,6bの間にケース把持端部46a,46bと、基板把持端部22a,22bを嵌合して把持する(図5(a)参照)。そして、重ね合わされたケース把持端部46a,46bと、基板把持端部22a,22bとを把持したホルダー部材6A,6A,6B,6Bを、ブラケット7A,7Bの嵌合孔8A,8Bに嵌合する。このとき、ホルダー部材6A,6A,6B,6Bの外周に穿設された回動溝9a,9bに、ブラケット7A,7Bの嵌合孔8A,8Bの内側面に設けられた摺動リブ10aが摺動可能に嵌合される。これによって、基板2とケース部材4が回転自在に保持される。
The attachment of the holder members 6A 1 , 6A 2 , 6B 1 , 6B 2 and the brackets 7A, 7B is performed as follows.
First, as shown in FIG. 4B, by attaching the substrate 2 to which the reflector member 3 is attached to the case member 4, case holding end portions 46 a and 46 b at both ends of the case member 4, and the heat radiating member of the substrate 2. The substrate gripping ends 22 a and 22 b provided at both ends of the substrate 22 are overlapped. The overlapped portion is sandwiched between a pair of upper and lower holder members 6A 1 , 6A 2 and holder members 6B 1 , 6B 2 , and the taper grooves 6a, 6b of the respective holder members 6A 1 , 6A 2 , 6B 1 , 6B 2 are overlapped. The case gripping end portions 46a and 46b and the substrate gripping end portions 22a and 22b are fitted and gripped (see FIG. 5A). Then, the holder members 6A 1 , 6A 2 , 6B 1 , 6B 2 holding the overlapped case holding ends 46a, 46b and the substrate holding ends 22a, 22b are connected to the fitting holes 8A of the brackets 7A, 7B. It fits in 8B. At this time, the sliding grooves provided on the inner side surfaces of the fitting holes 8A and 8B of the brackets 7A and 7B are inserted into the rotation grooves 9a and 9b formed in the outer periphery of the holder members 6A 1 , 6A 2 , 6B 1 and 6B 2. The moving rib 10a is slidably fitted. As a result, the substrate 2 and the case member 4 are rotatably held.

また、カバー部材5A,5Bの取り付けは、下係合部51A,51Bを基板2の前側端縁25に、上係合部52A,52Bをリフレクタ部材3の前側端縁39に、それぞれ係合することによって、基板2とリフレクタ部材3とで構成される前面開口部(光取り出し側)にカバー部材5A,5Bが装着される。このとき、嵌合爪53a,53b,53c,53dは、基板2の放熱部材22に穿設された嵌合口26a,26b,26c,26dに嵌合され、係合爪55a,55b,55c,55dは、リフレクタ部材3の前側端縁の端部40a,40b,40c,40dに係合する(図5(a)および図5(b)参照)。これによって、カバー部材5A,5Bが、基板2およびリフレクタ部材3とに、緊密に固着される。   The cover members 5A and 5B are attached by engaging the lower engagement portions 51A and 51B with the front end edge 25 of the substrate 2 and the upper engagement portions 52A and 52B with the front end edge 39 of the reflector member 3, respectively. Thus, the cover members 5A and 5B are attached to the front opening (light extraction side) formed by the substrate 2 and the reflector member 3. At this time, the fitting claws 53a, 53b, 53c, and 53d are fitted into fitting holes 26a, 26b, 26c, and 26d formed in the heat radiating member 22 of the board 2, and the engaging claws 55a, 55b, 55c, and 55d are fitted. Engages with the end portions 40a, 40b, 40c, 40d of the front side edge of the reflector member 3 (see FIGS. 5A and 5B). As a result, the cover members 5A and 5B are firmly fixed to the substrate 2 and the reflector member 3.

以上のようにして、図4(d)に示すように、基板2、リフレクタ部材3、ケース部材4およびカバー部材5A,5Bが相互に緊密に固着された照明ユニット1が、両端に装着されたブラケット7A,7Bによって、回転自在に保持される。そして、ブラケット7A,7Bを、照明ユニット1を取り付ける場所、装置の側に設けられた装着部位に装着することによって、照明ユニット1を所要の箇所に取り付けることができる。このとき、ブラケット7A,7Bの一端側に一対の装着部11A,11Aおよび11B,11Bを装着側(場所、装置)に設けた取り付け口(図示せず)に差し込み、装着部11A,11Aおよび11B,11Bの係止爪12を取り付け口の内側に係止させる。この装着部11A,11A,1B,11Bの取り付け口への装着において、一対の装着部11A,11A(11B,11B)の先端部は、取り付け口に挿入される際に、相互に内側へ近づくように曲げられながら、取り付け口の内部に挿入される。そして、取り付け口に装着部11A,11A(11B,11B)の先端部が挿入されると、装着部11A,11A(11B,11B)の先端部が相互に外側に拡張し、係止爪12が取り付け口の内側に係止する。これによって、照明ユニット1を装着側(場所、装置)に確実かつ容易に取り付けることができる。また、ブラケット7A,7Bによって、所要の装着部に取り付けられた照明ユニット1は、ブラケット7A,7Bに回転可能に嵌合されたホルダー部材6A,6A,6B,6Bによって、ホルダー部材6A,6Aと、ホルダー部材6B,6Bとを結ぶ軸を回転軸として回転自在に保持される。 As described above, as shown in FIG. 4D, the lighting unit 1 in which the substrate 2, the reflector member 3, the case member 4 and the cover members 5A and 5B are closely fixed to each other is attached to both ends. The brackets 7A and 7B are rotatably held. Then, by attaching the brackets 7A and 7B to a place where the lighting unit 1 is attached, or a mounting part provided on the apparatus side, the lighting unit 1 can be attached to a required place. At this time, a pair of mounting portions 11A 1 , 11A 2 and 11B 1 , 11B 2 are inserted into one end side of the brackets 7A, 7B into a mounting port (not shown) provided on the mounting side (place, device), and the mounting portion 11A 1 , 11A 2 and 11B 1 , 11B 2 locking claws 12 are locked inside the attachment opening. When the mounting portions 11A 1 , 11A 2 , 1B 1 , 11B 2 are mounted on the mounting ports, the tips of the pair of mounting portions 11A 1 , 11A 2 (11B 1 , 11B 2 ) are inserted into the mounting ports. And inserted into the mounting opening while being bent so as to approach each other. When the leading end portion of the mounting portion 11A 1 to the mounting opening, 11A 2 (11B 1, 11B 2) is inserted, the outer tip portion to each other of the mounting portion 11A 1, 11A 2 (11B 1 , 11B 2) The locking claw 12 is locked inside the mounting opening. Thereby, the illumination unit 1 can be reliably and easily attached to the mounting side (place, device). Further, the lighting unit 1 attached to the required mounting portion by the brackets 7A and 7B is made into a holder member by holder members 6A 1 , 6A 2 , 6B 1 and 6B 2 rotatably fitted to the brackets 7A and 7B. A shaft connecting 6A 1 , 6A 2 and the holder members 6B 1 , 6B 2 is rotatably held around a rotation axis.

この照明ユニット1において、リフレクタ部材3の係合爪31a,31b,31cを、基板2の両端の前側端縁24a,24b、および基板2の中央の前側端縁24cに係合させることによって、基板2とリフレクタ部材3とを結合することができる。また、ケース部材4の基板支持リブ43a,43b,43c,43d,43eによって基板2の下面側を支持するとともに、リフレクタ部材3の係合突条部33A,33Bを、ケース部材4の係合条溝部41に嵌合することによって、基板2と、リフレクタ部材3と、ケース部材4とを、相互に結合することができる。   In this illumination unit 1, the engagement claws 31 a, 31 b, 31 c of the reflector member 3 are engaged with the front end edges 24 a, 24 b at both ends of the substrate 2 and the front end edge 24 c at the center of the substrate 2, thereby 2 and the reflector member 3 can be combined. Further, the lower surface side of the substrate 2 is supported by the substrate support ribs 43 a, 43 b, 43 c, 43 d, and 43 e of the case member 4, and the engagement protrusions 33 A and 33 B of the reflector member 3 are By fitting into the groove 41, the substrate 2, the reflector member 3, and the case member 4 can be coupled to each other.

そして、このように相互に結合された基板2、リフレクタ部材3およびケース部材4を、基板2の基板把持端部22a,22bとケース部材4のケース把持端部46a,46bとを、上下一対のホルダー部材6A,6Aおよびホルダー部材6B,6Bで挟む。さらに、基板把持端部22a,22bとケース把持端部46a,46bとを把持したホルダー部材6A,6A,6B,6Bを、ブラケット7A,7Bによって回転自在に保持することによって、基板2、リフレクタ部材3およびケース部材4の結合がさらに緊密になる。また、基板2の前側端縁25にカバー部材5A,5Bの下係合部51A,51Bを、リフレクタ部材3の前側端縁39にカバー部材5A,5Bの上係合部52A,52Bを係合させることによって、カバー部材5A,5Bを介して、基板2とリフレクタ部材3の前面側が緊密に結合される。 Then, the substrate 2, the reflector member 3 and the case member 4 which are coupled to each other in this way are connected to the substrate holding end portions 22 a and 22 b of the substrate 2 and the case holding end portions 46 a and 46 b of the case member 4. The holder members 6A 1 and 6A 2 and the holder members 6B 1 and 6B 2 are sandwiched. Further, by holding the holder members 6A 1 , 6A 2 , 6B 1 , 6B 2 holding the substrate gripping end portions 22a, 22b and the case gripping end portions 46a, 46b rotatably by the brackets 7A, 7B, 2. The connection between the reflector member 3 and the case member 4 becomes tighter. Further, the lower engaging portions 51A and 51B of the cover members 5A and 5B are engaged with the front edge 25 of the substrate 2, and the upper engaging portions 52A and 52B of the cover members 5A and 5B are engaged with the front edge 39 of the reflector member 3. By doing so, the board | substrate 2 and the front side of the reflector member 3 are couple | bonded tightly via the cover members 5A and 5B.

そして、これらの基板2、リフレクタ部材3、ケース部材4、カバー部材5A,5B、ホルダー部材6A,6A,6B,6Bおよびブラケット7A,7Bの結合または取り付け作業は、ネジ等の固定用部材を使用することなく、各所に設けた係合部、係合溝、係合突条当によって、相互の部材を係合・係止することによって、簡便かつ容易に行うことができる。しかも、組立後は、相互の部材の係合・係止によって、各構成部材を相互に結合させることによって、長期間に亘って構成部品の結合強度を維持することができる。 The board 2, the reflector member 3, the case member 4, the cover members 5A and 5B, the holder members 6A 1 , 6A 2 , 6B 1 and 6B 2 and the brackets 7A and 7B are joined or fixed by fixing screws or the like. Without using a member, it can be carried out simply and easily by engaging and locking the mutual members by means of engaging portions, engaging grooves, and engaging protrusions provided at various places. Moreover, after the assembly, the component members can be coupled to each other by engaging and locking the members, thereby maintaining the coupling strength of the components over a long period of time.

また、本発明の照明ユニットにおいて、ホルダー部材およびブラケットは、前記に説明したホルダー部材6A,6A,6B,6Bおよびブラケット7A,7Bに限定されず、基板2、リフレクタ部材3およびケース部材4を保持して、緊密に結合することができるものであれば、固定用ホルダーとして従来から常用されているものを用いることができる。例えば、基板2、リフレクタ部材3および/またはケース部材4の端部に装着されたネジ式の締結部材等を用いることができる。 In the lighting unit of the present invention, the holder member and the bracket are not limited to the holder members 6A 1 , 6A 2 , 6B 1 , 6B 2 and the brackets 7A, 7B described above, but the substrate 2, the reflector member 3 and the case. As long as the member 4 can be held and can be tightly coupled, a conventionally used fixing holder can be used. For example, a screw-type fastening member attached to the end of the substrate 2, the reflector member 3 and / or the case member 4 can be used.

この照明ユニット1は、ショーケース、一般照明(室内灯、デスクライト等)、看板照明、壁面照明、歩道灯等に用いられる照明用光源として用いることができる。
図6(a)は、照明ユニット1を取り付けたショーケース6を示す斜視図である。
このショーケース6は、上下方向に設けられた複数(4枚)の光透過性の陳列棚61と、底部に設けられた陳列部62を有するものである。そして、ショーケース6の上前端部63の内側に、長手方向に沿って複数個の照明ユニット1が配列される。
This lighting unit 1 can be used as an illumination light source used for showcases, general lighting (interior lights, desk lights, etc.), signboard lighting, wall surface lighting, sidewalk lights, and the like.
FIG. 6A is a perspective view showing the showcase 6 to which the illumination unit 1 is attached.
This showcase 6 has a plurality of (four) light-transmissive display shelves 61 provided in the vertical direction and a display part 62 provided at the bottom. A plurality of illumination units 1 are arranged along the longitudinal direction inside the upper front end 63 of the showcase 6.

このショーケース6において、図6(b)に示すように、上前端部63の内側に設けられた照明ユニット1のカバー部材5A,5Bを通って出射された光Rは、陳列棚61および陳列部62に配光される。このとき、ブラケット7A,7Bに嵌合されたホルダー部材6A,6A,6B,6Bを、ブラケット7A,7Bの摺動リブ10aをホルダー部材6A,6A,6B,6Bの回動溝9a,9b内に摺動させながら、本体(基板2、リフレクタ部材3、ケース部材4およびカバー部材5A,5B)を、ホルダー部材6A,6Aと、ホルダー部材6B,6Bとを結ぶ軸を回転軸として無断階的に回転させることができる。これによって、照明ユニット1から出射される光Rの配光方向を調節することができる。 In this showcase 6, as shown in FIG. 6 (b), the light R emitted through the cover members 5A and 5B of the lighting unit 1 provided inside the upper front end portion 63 is displayed on the display shelf 61 and the display. The light is distributed to the unit 62. At this time, the holder members 6A 1 , 6A 2 , 6B 1 , 6B 2 fitted to the brackets 7A, 7B are used, and the sliding ribs 10a of the brackets 7A, 7B are used as the holder members 6A 1 , 6A 2 , 6B 1 , 6B 2. The main body (the substrate 2, the reflector member 3, the case member 4 and the cover members 5A and 5B), the holder members 6A 1 and 6A 2 and the holder members 6B 1 and 6B are slid into the rotation grooves 9a and 9b. 2 can be rotated steplessly with the axis connecting the two as the rotation axis. Thereby, the light distribution direction of the light R emitted from the illumination unit 1 can be adjusted.

そして、このショーケース6において、上前端部63の内側の所定箇所に設けられた取り付け口(図示せず)に、ブラケット7A,7Bに設けられた装着部11A,11Aおよび11B,11Bを差し込む。そして、取り付け口に装着部11A,11A(1B,11B)の先端部が挿入されると、装着部11A,11A(11B,11B)の先端部が相互に外側に拡張し、係止爪12が取り付け口の内側に係止する。これによって、照明ユニット1を装着側(場所、装置)に確実かつ容易に取り付けることができる。 In this showcase 6, mounting portions 11A 1 , 11A 2 and 11B 1 , 11B provided on the brackets 7A, 7B are attached to mounting holes (not shown) provided at predetermined locations inside the upper front end 63. 2 is inserted. When the tip portions of the mounting portions 11A 1 , 11A 2 (1B 1 , 11B 2 ) are inserted into the attachment port, the tip portions of the mounting portions 11A 1 , 11A 2 (11B 1 , 11B 2 ) are mutually outside. The locking claw 12 is locked inside the mounting opening. Thereby, the illumination unit 1 can be reliably and easily attached to the mounting side (place, device).

また、照明ユニット1を取り付けたショーケース6は、半導体発光素子23aを光源とするため、蛍光灯を光源とするものに比べて寿命が長い、エネルギ効率が高いため低消費電力である、固体素子であるため取り扱いが容易かつ破損し難い、水銀等の環境影響物質を含まないなどのメリットを十分に生かして、照明用ユニットの交換期間の長期化、取り扱いの容易さ等によるメンテナンスコスト、ランニングコストの低減を得ることができる。   In addition, the showcase 6 to which the illumination unit 1 is attached uses a semiconductor light emitting element 23a as a light source, and therefore has a longer life than a light source using a fluorescent lamp as a light source, and has a low energy consumption due to high energy efficiency. Because it is easy to handle and hard to break, it does not contain environmentally harmful substances such as mercury, and the maintenance cost and running cost due to the long replacement period of the lighting unit, ease of handling, etc. Can be obtained.

本発明の照明ユニットの構成を示す分解斜視図である。It is a disassembled perspective view which shows the structure of the illumination unit of this invention. リフレクタ部材の背面側を示す斜視図である。It is a perspective view which shows the back side of a reflector member. ケース部材を示す斜視図である。It is a perspective view which shows a case member. (a)〜(d)は、本発明の照明ユニットの組立工程を説明する図である。(A)-(d) is a figure explaining the assembly process of the illumination unit of this invention. (a)は、本発明の照明ユニットの一部を示す斜視図、(b)は、本発明の照明ユニットの組立状態を説明する模式断面図である。(A) is a perspective view which shows a part of illumination unit of this invention, (b) is a schematic cross section explaining the assembly state of the illumination unit of this invention. (a)は、本発明の照明ユニットを取り付けたショーケースを示す斜視図、(b)は、そのショーケースにおける照明光の配光状態を示す模式図である。(A) is a perspective view which shows the showcase which attached the illumination unit of this invention, (b) is a schematic diagram which shows the light distribution state of the illumination light in the showcase.

符号の説明Explanation of symbols

1 照明ユニット
2 基板
21 回路基板
22 放熱基板
22a,22b 基板把持端部
23 発光部
23a 半導体発光素子
24a,24b,24c 前側端縁
3 リフレクタ部材
3a,3b 側板の内面
31a,31b,31c 係合爪
32 背面
32a,32b,32c 側板
33A,33B 係合突条部
34 反射部
35 上内面
36a,36b 側板
37 中央側板
3c,3d 中央側板の内側面
38 サイドリフレクタ
4 ケース部材
41 係合条溝部
42A 上端舌辺
42B 下端舌辺
43a,43b,43c,43d,43e 基板支持リブ
44 上面
45 支持面
46a,46b ケース把持端部
5A,5B カバー部材
51A,51B 下係合部
52A,52B 上係合部
53a,53b,53c,53d 嵌合爪
55a,55b,55c,55d 係合爪
6A,6A,6B,6B ホルダー部材
6a,6b テーパ溝
9a,9b 回動溝
7A,7B ブラケット
8A,8B 嵌合孔
10a 摺動リブ
DESCRIPTION OF SYMBOLS 1 Illumination unit 2 Board | substrate 21 Circuit board 22 Heat dissipation board 22a, 22b Board | substrate holding | grip edge part 23 Light emission part 23a Semiconductor light emitting element 24a, 24b, 24c Front side edge 3 Reflector member 3a, 3b Inner surface 31a, 31b, 31c Side plate 32 Rear side 32a, 32b, 32c Side plate 33A, 33B Engagement protrusion 34 Reflection part 35 Upper inner surface 36a, 36b Side plate 37 Central side plate 3c, 3d Inner side surface of central side plate 38 Side reflector 4 Case member 41 Engagement groove 42A Upper end Tongue side 42B Lower end tongue side 43a, 43b, 43c, 43d, 43e Substrate support rib 44 Upper surface 45 Support surface 46a, 46b Case gripping end 5A, 5B Cover member 51A, 51B Lower engagement part 52A, 52B Upper engagement part 53a , 53b, 53c, 53d Mating claw 55a, 55b, 55c, 5 5d engaging claws 6A 1, 6A 2, 6B 1 , 6B 2 holder member 6a, 6b tapered grooves 9a, 9b Kaidomizo 7A, 7B brackets 8A, 8B fitting hole 10a sliding ribs

Claims (5)

半導体発光素子を有する発光部が、長手方向に沿って上面側に配列された基板と、
前記基板の上面側に設けられ、前記発光部を覆うと共に発光部からの光を反射する反射部を内面に有するリフレクタ部材と、
前記基板と前記リフレクタ部材とを上下から支持するように設けられたケース部材と、を備え
前記リフレクタ部材は、前記基板の光取り出し方向側の前側端縁に係合する係合爪を有し、
前記基板の長手方向の両端から外方へ突設された基板把持端部と、前記ケース部材の長手方向の両端から外方へ突設され、前記基板把持部と重ね合うケース把持端部と、前記基板把持端部と前記ケース把持端部とを重ね合わせた状態で把持して回転可能に保持されるホルダー部材とを備えていることを特徴とする照明ユニット。
A light emitting section having a semiconductor light emitting element, a substrate arranged on the upper surface side along the longitudinal direction;
A reflector member provided on the upper surface side of the substrate, covering the light emitting unit and reflecting a light from the light emitting unit on the inner surface;
A case member provided so as to support the substrate and the reflector member from above and below ,
The reflector member has an engaging claw that engages with a front end edge on the light extraction direction side of the substrate,
A substrate gripping end projecting outward from both longitudinal ends of the substrate, a case gripping end projecting outward from both longitudinal ends of the case member, and overlapping the substrate gripping portion; An illumination unit comprising: a holder member that is held in a state where the substrate holding end and the case holding end are overlapped and held rotatably .
前記ケース部材は、前記リフレクタ部材の背面を支持する上端縁と、前記上端縁に連設され、前記基板の下面を支持する底面とから構成されていることを特徴とする請求項1に記載の照明ユニット。 The case member includes a top edge for supporting the back of the reflector member, the provided continuously to the upper edge, according to claim 1, characterized in that is composed of a bottom surface for supporting the lower surface of the substrate Lighting unit. 前記ケース部材の上端縁は、前記基板の長手方向に沿って形成された係合条溝部を有し、
前記リフレクタ部材の背面は、前記係合条溝部と係合される係合突条部を有していることを特徴とする請求項2に記載の照明ユニット。
The upper end edge of the case member has an engagement groove formed along the longitudinal direction of the substrate,
The lighting unit according to claim 2 , wherein a rear surface of the reflector member has an engaging protrusion that is engaged with the engaging groove.
前記ケース部材の底面は、前記基板の短手方向に沿って基板支持リブを有していることを特徴とする請求項2または請求項3に記載の照明ユニット。 4. The lighting unit according to claim 2 , wherein a bottom surface of the case member has a substrate support rib along a short direction of the substrate. 5. 前記基板の光取り出し方向側の前側端縁に係合する下係合部と、前記リフレクタ部材の光取り出し方向側の前側端縁に係合する上係合部とを備えるカバー部材が、前記基板と前記リフレクタ部材の光取り出し方向側の前面開口部に装着されたことを特徴とする請求項1〜請求項4のいずれか1項に記載の照明ユニット。 A cover member comprising: a lower engagement portion that engages with a front end edge on the light extraction direction side of the substrate; and an upper engagement portion that engages with a front end edge on the light extraction direction side of the reflector member. 5. The lighting unit according to claim 1, wherein the lighting unit is attached to a front opening of the reflector member on a light extraction direction side .
JP2007336549A 2007-12-27 2007-12-27 Lighting unit Active JP5125497B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2007336549A JP5125497B2 (en) 2007-12-27 2007-12-27 Lighting unit
EP13171518.7A EP2662612B1 (en) 2007-12-27 2008-12-26 Lighting device, lighting unit, and support
EP08868831.2A EP2233831B1 (en) 2007-12-27 2008-12-26 Lighting device, lighting unit, and support
US12/810,746 US8882289B2 (en) 2007-12-27 2008-12-26 Lighting device, lighting unit, and support
PCT/JP2008/073810 WO2009084664A1 (en) 2007-12-27 2008-12-26 Lighting device, lighting unit, and support
US14/507,465 US9726334B2 (en) 2007-12-27 2014-10-06 Lighting device, lighting unit, and support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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JP5636790B2 (en) * 2010-07-28 2014-12-10 日亜化学工業株式会社 Lighting device
JP6354366B2 (en) * 2014-06-13 2018-07-11 日亜化学工業株式会社 Light emitting unit
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