JP5887563B2 - lighting equipment - Google Patents

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JP5887563B2
JP5887563B2 JP2014196478A JP2014196478A JP5887563B2 JP 5887563 B2 JP5887563 B2 JP 5887563B2 JP 2014196478 A JP2014196478 A JP 2014196478A JP 2014196478 A JP2014196478 A JP 2014196478A JP 5887563 B2 JP5887563 B2 JP 5887563B2
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lamp
led module
opening
opening edge
led
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JP2014239077A (en
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齋藤 良徳
良徳 齋藤
雅史 藤野
雅史 藤野
正人 宮丸
正人 宮丸
西村 唯史
唯史 西村
村上 忠史
忠史 村上
友樹 白川
友樹 白川
哲 森
哲 森
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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Description

本発明は、照射方向が変更可能な照明器具に関する。   The present invention relates to a lighting fixture whose irradiation direction can be changed.

従来から天井埋込タイプの照明器具で直下方向だけでなく鉛直面を照射するために、首振機構を有したダウンライトが知られている。例えば特許文献1に記載の図5に示す照明器具100は、筒型の本体枠101の内部に灯具102が収容されており、灯具102が灯具中心を傾斜自在としている。灯具102の内部には、ランプおよび反射板が収容されており、灯具102を本体枠101に対して不図示の首振機構で水平軸周りに回転させることで、照射方向が調整自在となる。   2. Description of the Related Art Conventionally, downlights having a swing mechanism are known for irradiating not only a direct downward direction but also a vertical plane with a ceiling-embedded lighting fixture. For example, in the luminaire 100 shown in FIG. 5 described in Patent Document 1, a lamp 102 is accommodated inside a cylindrical main body frame 101, and the lamp 102 can freely tilt the center of the lamp. A lamp and a reflector are housed inside the lamp 102, and the irradiation direction can be adjusted by rotating the lamp 102 around the horizontal axis by a swing mechanism (not shown) with respect to the main body frame 101.

実開昭63−101411号公報(第1図)Japanese Utility Model Publication No. 63-101411 (FIG. 1)

上記の照明器具100は、首振機構で回転させる程、自身の本体枠101で光が遮られ(所謂、蹴られ)るため、照射物に対して性能通りの明るさが確保できないばかりか、電力の浪費にもつながっていた。   As the lighting device 100 is rotated by the swing mechanism, light is blocked by the main body frame 101 (so-called kicking). It also led to waste of electricity.

本発明は上記状況に鑑みてなされたもので、その目的は、灯具の首振角を変えても光の蹴られを防止でき、出射光の無駄を軽減して効率的な照射ができる照明器具を提供することにある。   The present invention has been made in view of the above situation, and its purpose is to provide a lighting apparatus that can prevent light from being kicked even if the swing angle of the lamp is changed, and can efficiently emit light by reducing waste of emitted light. Is to provide.

本発明に係る照明器具は、全体が天井に埋め込まれ、かつ下方に開口部を有する灯具と、前記灯具の鉛直断面に直交する支軸と、前記灯具の内側に設けられると共に、前記支軸に回転自在に支持されるLEDモジュールと、を具備し、前記LEDモジュールは、前記灯具の鉛直断面における形状が逆御碗形状である部分と、前記逆御碗形状である部分の碗状内面に沿って配置され、かつ、前記LEDモジュールが回転されない状態において、前記支軸よりも上方に位置する複数のLEDと、を有し、前記LEDモジュールが回転されない場合、前記灯具の鉛直断面において、前記逆御碗形状である部分は左右対称の形状であり、前記灯具の鉛直断面において前記灯具の開口部を前記天井に平行な線分で示す場合に、前記複数のLEDのうちの、前記灯具の鉛直断面における右側の外側に位置する第1のLEDが発する第1の出射光の方向を示す第1の矢印と、左側の外側に位置する第2のLEDが発する第2の出射光の方向を示す第2の矢印とは、前記灯具の前記開口部を示す線分上において第1の角度で交差し、かつ、前記第1の矢印と前記灯具の前記開口部の一方の開口縁との間、および前記第2の矢印と前記灯具の前記開口部の、前記一方の開口縁とは反対側の他方の開口縁との間の各々において第1の余裕角が確保されて、前記第1の出射光は前記一方の開口縁と干渉せず、前記第2の出射光は前記他方の開口縁と干渉せず、前記LEDモジュールが回転される場合、前記LEDモジュールの回転範囲が規制され、前記LEDモジュールが最大に回転された状態では、前記第1の矢印と前記一方の開口縁との間、および前記第2の矢印と前記他方の開口縁との間のうちのいずれか一方には、前記第1の余裕角から前記LEDモジュールの回転角を減じた角度の第2の余裕角が確保され、いずれか他方には、前記第1の余裕角に前記LEDモジュールの回転角を加えた角度の第3の余裕角が確保され、前記第1の出射光は前記一方の開口縁と干渉せず、前記第2の出射光は前記他方の開口縁と干渉しないものである。
Lighting device according to the present invention is entirely embedded in the ceiling, and a lamp having an opening downward, the support shaft perpendicular to the vertical section of the lamp, provided inside of said lamp Rutotomoni, the support shaft An LED module rotatably supported by the LED module , wherein the LED module has a portion in the vertical cross section of the lamp having a reverse bowl shape , and a bowl-shaped inner surface of the portion having the reverse bowl shape. It disposed me along, and, in a state in which the LED module is not rotated, anda plurality of LED located above said support shaft, when the LED module is not rotated in the vertical cross-section of the lamp, The portion of the inverted bowl shape is symmetrical, and when the opening of the lamp is indicated by a line segment parallel to the ceiling in the vertical section of the lamp, The first arrow indicating the direction of the first emitted light emitted from the first LED located on the outer right side in the vertical section of the lamp, and the second emitted light emitted from the second LED located on the outer left side The second arrow indicating the direction of the lamp intersects at a first angle on the line segment indicating the opening of the lamp, and one opening edge of the first arrow and the opening of the lamp And a first margin angle is ensured between each of the second arrow and the other opening edge opposite to the one opening edge of the opening of the lamp. When the first emitted light does not interfere with the one opening edge and the second emitted light does not interfere with the other opening edge and the LED module is rotated, the rotation range of the LED module is restricted. In the state where the LED module is rotated to the maximum, The rotation angle of the LED module from the first margin angle is between one arrow and the one opening edge, and between the second arrow and the other opening edge. A second margin angle of the angle obtained by subtracting the rotation angle of the LED module from the first margin angle is ensured, and a third margin angle of the angle obtained by adding the rotation angle of the LED module to the first margin angle is secured. The emitted light does not interfere with the one opening edge, and the second emitted light does not interfere with the other opening edge .

また、本発明は、全体が天井に埋め込まれ、かつ下方に開口部を有する灯具と、前記灯具の鉛直断面に直交する支軸と、前記灯具の内側に設けられると共に、前記支軸に回転自在に支持されるLEDモジュールと、を具備し、前記LEDモジュールは、前記灯具の鉛直断面における形状が逆V字形状である部分と、前記逆V字形状である部分のV字状内面に沿って配置され、かつ、前記LEDモジュールが回転されない状態において、前記支軸よりも上方に位置する複数のLEDと、を有し、前記LEDモジュールが回転されない場合、前記灯具の鉛直断面において、前記逆V字形状である部分は左右対称の形状であり、前記灯具の鉛直断面において前記灯具の開口部を前記天井に平行な線分で示す場合に、前記複数のLEDのうちの、前記灯具の鉛直断面における右側の第1の位置にある第1のLEDが発する第1の出射光の方向を示す第1の矢印と、左側の、前記第1の位置に対応する第2の位置にある第2のLEDが発する第2の出射光の方向を示す第2の矢印とは、前記灯具の前記開口部を示す線分上において第1の角度で交差し、かつ、前記第1の矢印と前記灯具の前記開口部の一方の開口縁との間、および前記第2の矢印と前記灯具の前記開口部の、前記一方の開口縁とは反対側の他方の開口縁との間の各々において第1の余裕角が確保されて、前記第1の出射光は前記一方の開口縁と干渉せず、前記第2の出射光は前記他方の開口縁と干渉せず、前記LEDモジュールが回転される場合、前記LEDモジュールの回転範囲が規制され、前記LEDモジュールが最大に回転された状態では、前記第1の矢印と前記一方の開口縁との間、および前記第2の矢印と前記他方の開口縁との間のうちのいずれか一方には、前記第1の余裕角から前記LEDモジュールの回転角を減じた角度の第2の余裕角が確保され、いずれか他方には、前記第1の余裕角に前記LEDモジュールの回転角を加えた角度の第3の余裕角が確保され、前記第1の出射光は前記一方の開口縁と干渉せず、前記第2の出射光は前記他方の開口縁と干渉しないものである。 Further, the present invention is entirely embedded in the ceiling, and a lamp having an opening downward, the support shaft perpendicular to the vertical section of the lamp, provided inside of said lamp Rutotomoni, rotating said support shaft An LED module that is freely supported, and the LED module is disposed along a V-shaped inner surface of a portion in which the shape of the lamp in a vertical cross-section is an inverted V shape and a portion of the inverted V shape. And in a state where the LED module is not rotated, a plurality of LEDs positioned above the support shaft , and when the LED module is not rotated, in the vertical cross section of the lamp, The inverted V-shaped part is a symmetrical shape, and when the opening of the lamp is indicated by a line segment parallel to the ceiling in the vertical cross section of the lamp, A first arrow indicating the direction of the first emitted light emitted from the first LED at the first position on the right side in the vertical section of the tool, and a second position on the left side corresponding to the first position. The second arrow indicating the direction of the second emitted light emitted from a certain second LED intersects at a first angle on a line segment indicating the opening of the lamp, and the first arrow Between the second arrow and the other opening edge of the opening opposite to the one opening edge. The first margin angle is ensured, the first outgoing light does not interfere with the one opening edge, the second outgoing light does not interfere with the other opening edge, and the LED module rotates. The rotation range of the LED module is restricted and the LED module is maximized. In the rolled state, the first margin is not between one of the first arrow and the one opening edge and between the second arrow and the other opening edge. A second margin angle obtained by subtracting the rotation angle of the LED module from the corner is ensured, and a third margin of an angle obtained by adding the rotation angle of the LED module to the first margin angle is secured to either one of them. A corner is secured, the first outgoing light does not interfere with the one opening edge, and the second outgoing light does not interfere with the other opening edge .

また、本発明は、前記支軸前記灯具の鉛直断面における、前記灯具の開口部を示す前記天井に平行な線分の二等分点を通り、かつ前記灯具の鉛直断面に対して垂直となるように配置されるものである。 Further, the present invention, the support shaft, in the vertical cross section of the lamp through a bisection point of a line segment parallel to the ceiling of an aperture portion of the lamp, and perpendicular to the vertical section of the lamp a shall be arranged so that.

本発明に係る照明器具によれば、灯具の首振角を変えても光の蹴られを防止でき、出射光の無駄を軽減して効率的な照射ができる。   The lighting apparatus according to the present invention can prevent the light from being kicked even if the swing angle of the lamp is changed, and can reduce the waste of the emitted light and perform efficient irradiation.

本発明に係る照明器具の灯具を切り欠いた側面図The side view which notched the lamp of the lighting fixture which concerns on this invention 図1に示したLEDモジュールが回転された側面図The side view in which the LED module shown in FIG. 1 was rotated 他の実施形態に係る照明器具の灯具を切り欠いた側面図The side view which notched the lamp of the lighting fixture which concerns on other embodiment 図3に示したLEDモジュールが回転された側面図The side view in which the LED module shown in FIG. 3 was rotated (A)は灯具が傾斜自在な従来の照明器具の側面図、(B)はその傾斜時の側面図(A) is a side view of a conventional lighting fixture in which the lamp can be freely tilted, and (B) is a side view at the time of tilting.

以下、本発明の実施形態を図面を参照して説明する。
図1は本発明に係る照明器具の灯具を切り欠いた側面図、図2は図1に示したLEDモジュールが回転された側面図である。
照明器具10は、天井11に取り付けられ、下方に開口部12の形成された灯具13を有する。灯具13は、本実施形態において下方が拡径される円筒形に形成されるが、四角形であってもよい。開口部12の外周には不図示の鍔部が形成され天井11に形成した取付穴14の周囲が目隠しされる。灯具13の外周には先端が自由端となった不図示の取付バネが円周方向に等間隔で複数突出して設けられ、取付バネは鍔部とで取付穴14の周縁を挟持して照明器具10を天井11に保持する。
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a side view in which a lamp of a lighting fixture according to the present invention is cut out, and FIG. 2 is a side view in which the LED module shown in FIG. 1 is rotated.
The lighting fixture 10 is attached to a ceiling 11 and has a lamp 13 having an opening 12 formed below. The lamp 13 is formed in a cylindrical shape whose diameter is expanded in the lower part in the present embodiment, but may be rectangular. A flange (not shown) is formed on the outer periphery of the opening 12 so that the periphery of the mounting hole 14 formed in the ceiling 11 is hidden. A plurality of mounting springs (not shown) whose front ends are free ends are provided on the outer periphery of the lamp 13 so as to protrude at equal intervals in the circumferential direction, and the mounting springs sandwich the peripheral edge of the mounting hole 14 between the flanges. 10 is held on the ceiling 11.

灯具13の内側には支軸15と、LEDモジュール16が設けられる。支軸15は、LEDモジュール16を回転自在に支持する。支軸15は、灯具13の鉛直断面に直交する。ここで、鉛直断面は、図1の紙面と同一平面とする。従って、支軸15は、図1の紙面に垂直な方向となる。支軸15は、例えば、LEDモジュール16に向かって図1の紙面の表裏から突出する。LEDモジュール16にはこの支軸15に外挿される不図示の軸受凹部が固定される。LEDモジュール16は、この軸受凹部を介して支軸15に回転自在に支持される。   A support shaft 15 and an LED module 16 are provided inside the lamp 13. The support shaft 15 rotatably supports the LED module 16. The support shaft 15 is orthogonal to the vertical cross section of the lamp 13. Here, the vertical section is the same plane as the paper surface of FIG. Accordingly, the support shaft 15 is in a direction perpendicular to the paper surface of FIG. For example, the support shaft 15 protrudes from the front and back of the paper surface of FIG. A bearing recess (not shown) that is externally attached to the support shaft 15 is fixed to the LED module 16. The LED module 16 is rotatably supported by the support shaft 15 through the bearing recess.

本実施形態において、支軸15は、灯具13の鉛直断面における開口部12を水平線分17としたときに水平線分17を二等分する点(二等分点)に位置する。これにより、照明範囲を変更するためのLEDモジュール16における回転軌跡の面積が小さくなり、灯具13のコンパクト化が可能となっている。これに対し、例えば、支軸15がLEDモジュール16の上側に存在した場合には、照明範囲を変更するためのLEDモジュール16における回転軌跡の面積が大きくなってしまう。   In the present embodiment, the support shaft 15 is located at a point that bisects the horizontal segment 17 when the opening 12 in the vertical section of the lamp 13 is the horizontal segment 17 (a bisection point). Thereby, the area of the rotation locus in the LED module 16 for changing the illumination range is reduced, and the lamp 13 can be made compact. On the other hand, for example, when the support shaft 15 exists above the LED module 16, the area of the rotation locus in the LED module 16 for changing the illumination range becomes large.

なお、LEDモジュール16には、LED18に点灯のための電力を供給する不図示の点灯電源装置が取り付けられてもよい。点灯電源装置は、電源端子台を有し、外部の商用電源が電気的に接続される。また、LEDモジュール16の外周には、LED18の熱を放熱するための不図示の放熱フインが設けられてもよい。   The LED module 16 may be provided with a lighting power supply device (not shown) that supplies power for lighting to the LED 18. The lighting power supply device has a power supply terminal block and is electrically connected to an external commercial power supply. Further, a heat dissipation fin (not shown) for radiating the heat of the LED 18 may be provided on the outer periphery of the LED module 16.

本実施形態において、LEDモジュール16は、鉛直断面における形状が逆御碗形状に形成される。LEDモジュール16には、碗状内面19に沿って複数のLED18が並べられている。LED18は、不図示の実装基板に実装される。実装基板は、熱伝導シートを介してモジュール本体に固定される。熱伝導シートを介して実装基板からモジュール本体に伝わった熱は放熱フインから放熱される。熱伝導シートは、シリカやアルミナ等のフィラーからなる充填材を含有し、かつ、加熱時に低粘度化する樹脂シートからなる。実装基板の表面には絶縁層であるサブマウントを介してLEDチップが設けられる。LEDチップとしては、青色光(λ≒400〜460nm)を放射するGaN系青色半導体発光素子が好適に用いられる。LEDチップは、サブマウントや実装基板に設けられた回路部に電極がワイヤにて接続される。LEDチップ、ワイヤはシリコーン樹脂からなる薄型レジンにより覆われる。薄型レジンは、空気層を介してさらに蛍光体キャップによって覆われる。   In the present embodiment, the LED module 16 is formed in an inverted bowl shape in the vertical cross section. In the LED module 16, a plurality of LEDs 18 are arranged along the bowl-shaped inner surface 19. The LED 18 is mounted on a mounting board (not shown). The mounting board is fixed to the module body via a heat conductive sheet. The heat transferred from the mounting board to the module body via the heat conductive sheet is radiated from the heat radiating fins. A heat conductive sheet contains the filler which consists of fillers, such as a silica and an alumina, and consists of a resin sheet which becomes low viscosity at the time of a heating. An LED chip is provided on the surface of the mounting substrate via a submount that is an insulating layer. As the LED chip, a GaN-based blue semiconductor light emitting element that emits blue light (λ≈400 to 460 nm) is preferably used. In the LED chip, an electrode is connected to a circuit portion provided on a submount or a mounting substrate with a wire. The LED chip and the wire are covered with a thin resin made of silicone resin. The thin resin is further covered with a phosphor cap through the air layer.

例えばLED18が白色仕様の場合、蛍光体キャップは、緑色蛍光体、黄色蛍光体、赤色蛍光体を透光性シリコーン樹脂に分散した後、硬化させて形成されている。この蛍光体キャップによって、LEDチップからの一部の青色光が、緑色光(λ≒540〜565nm)、黄色光(λ≒560〜580nm)、赤色光(λ≒680〜720nm)に変換され、これらの光が混ざり合って白色光が生成される。   For example, when the LED 18 has a white specification, the phosphor cap is formed by dispersing a green phosphor, a yellow phosphor, and a red phosphor in a translucent silicone resin and then curing. With this phosphor cap, part of the blue light from the LED chip is converted into green light (λ≈540-565 nm), yellow light (λ≈560-580 nm), red light (λ≈680-720 nm), These lights mix to produce white light.

LEDモジュール16からの出射光は、LED18が碗状内面19に沿って配置されていることで、開口部12で交差し、外側同士の照明光が所定範囲の照射角度α1を形成するようになされている。また、LEDモジュール16は、不図示のストッパによって支軸15を中心とした回転範囲が所定の回転角度で規制される。この回転角度は、図2に示すように、外側の照明光が開口部12の開口縁20に干渉しない回転角度で設定されている。   The light emitted from the LED module 16 intersects at the opening 12 because the LEDs 18 are arranged along the bowl-shaped inner surface 19, and the illumination lights on the outer sides form an irradiation angle α1 within a predetermined range. ing. In addition, the rotation range of the LED module 16 around the support shaft 15 is restricted by a predetermined rotation angle by a stopper (not shown). As shown in FIG. 2, this rotation angle is set at a rotation angle at which the outside illumination light does not interfere with the opening edge 20 of the opening 12.

次に、上記構成を有する照明器具10の作用を説明する。
上記構成の照明器具10では、LED18が駆動されると、碗状内面19の例えば右側のLED18からの出射光が開口部12を通過して左側の照射対象に照射され、左側のLED18からの出射光が開口部12を通過して右側の照射対象に照射される。つまり、LEDモジュール16の左右からの出射光が交差することになる。これにより、灯具13の左右それぞれにおいて、所定範囲の照射角度を形成する外側の照明光と、開口部12の開口縁20との間に、照射角度を減じた余裕角θ1(図1参照)が確保され、図2に示すように、蹴られを生じさせずにLEDモジュール16を回転させることが可能となる。
Next, the effect | action of the lighting fixture 10 which has the said structure is demonstrated.
In the lighting apparatus 10 having the above-described configuration, when the LED 18 is driven, the light emitted from the right LED 18 of the bowl-shaped inner surface 19 passes through the opening 12 and is irradiated to the left irradiation target, and is emitted from the left LED 18. The incident light passes through the opening 12 and is irradiated to the irradiation object on the right side. That is, the emitted light from the left and right of the LED module 16 intersects. As a result, on each of the left and right sides of the lamp 13, a margin angle θ1 (see FIG. 1) obtained by reducing the irradiation angle is provided between the outer illumination light that forms an irradiation angle within a predetermined range and the opening edge 20 of the opening 12. As shown in FIG. 2, the LED module 16 can be rotated without causing kicking.

これに対し、例えばLEDモジュール16の碗状内面19の両端を結ぶ平面(水平線分17と平行な面)に複数のLED18を並べた比較例に係る構成では、右側のLED18からの出射光が右側の照射対象に照射され、左側のLED18からの出射光が左側の照射対象に照射される。このため、少しの回転角度でさえも左右それぞれの外側の照明光が開口部12の開口縁20に即座に干渉してしまい蹴られが生じることになる。   On the other hand, for example, in a configuration according to a comparative example in which a plurality of LEDs 18 are arranged on a plane connecting both ends of the bowl-shaped inner surface 19 of the LED module 16 (a plane parallel to the horizontal line segment 17), the emitted light from the right LED 18 is on the right side. The left irradiation target is irradiated with the emitted light from the left LED 18. For this reason, even at a slight rotation angle, the left and right outer illumination lights immediately interfere with the opening edge 20 of the opening 12 and are kicked.

次に、本発明に係る他の実施形態による照明器具21を説明する。
図3は他の実施形態に係る照明器具21の灯具を切り欠いた側面図、図4は図3に示したLEDモジュール22が回転された側面図である。
本実施形態に係る照明器具21は、天井11に取り付けられ下方に開口部12を有する灯具13と、灯具13の鉛直断面に直交する支軸15と、灯具13の内側に設けられ鉛直断面における形状が逆V字形状に形成されV字状内面23に沿うLED18からの出射光が開口部12で交差し外側同士の照明光が所定範囲の照射角度α2を形成するとともに外側の照明光が開口部12の開口縁20に干渉しない回転角度で支軸15に回転自在に支持されるLEDモジュール22と、を備えてなる。上記した実施形態とはLEDモジュール22のV字状内面23が異なる。他の構成は上記の照明器具10と同様である。
Next, the lighting fixture 21 by other embodiment which concerns on this invention is demonstrated.
FIG. 3 is a side view in which a lamp of a lighting fixture 21 according to another embodiment is cut out, and FIG. 4 is a side view in which the LED module 22 shown in FIG. 3 is rotated.
A lighting fixture 21 according to this embodiment includes a lamp 13 that is attached to the ceiling 11 and has an opening 12 below, a support shaft 15 that is orthogonal to the vertical cross section of the lamp 13, and a shape in the vertical cross section that is provided inside the lamp 13. Are formed in an inverted V-shape, and the emitted light from the LEDs 18 along the V-shaped inner surface 23 intersects at the opening 12 so that the illumination lights outside each other form an irradiation angle α2 within a predetermined range and the outside illumination light is the opening. The LED module 22 is rotatably supported on the support shaft 15 at a rotation angle that does not interfere with the 12 opening edges 20. The V-shaped inner surface 23 of the LED module 22 is different from the above-described embodiment. Other configurations are the same as those of the lighting fixture 10 described above.

LEDモジュール22は、モジュール本体24が二つの平板部25からなる。平板部25は、挟角を挟んでV字状となる。それぞれの平板部25には複数のLED18がV字状内面23に沿って並べられている。したがって、一枚の平板からは所定の照射角度の出射光が照射され、左右それぞれの平板部25からの照明光が、灯具13の開口部12で交差することになる。   In the LED module 22, the module main body 24 includes two flat plate portions 25. The flat plate portion 25 has a V shape with a sandwich angle therebetween. In each flat plate portion 25, a plurality of LEDs 18 are arranged along the V-shaped inner surface 23. Accordingly, emitted light with a predetermined irradiation angle is emitted from one flat plate, and illumination light from the left and right flat plate portions 25 intersects at the opening 12 of the lamp 13.

次に、上記構成を有する照明器具21の作用を説明する。
この照明器具21においても、LED18が駆動されると、V字状内面23の例えば右側のLED18からの出射光が開口部12を通過して左側の照射対象に照射され、左側のLED18からの出射光が開口部12を通過して右側の照射対象に照射される。従って、LEDモジュール22の左右からの出射光が交差することになる。これにより、灯具13の左右それぞれにおいて、所定範囲の照射角度を形成する外側の照明光と、開口部12の開口縁20との間に、照射角度を減じた余裕角θ2が確保され、図4に示すように、蹴られを生じさせずにLEDモジュール22を回転させることが可能となる。
Next, the operation of the lighting fixture 21 having the above configuration will be described.
Also in this lighting fixture 21, when the LED 18 is driven, light emitted from, for example, the right LED 18 on the V-shaped inner surface 23 passes through the opening 12 and is irradiated to the left irradiation target, and is emitted from the left LED 18. The incident light passes through the opening 12 and is irradiated to the irradiation object on the right side. Therefore, the emitted light from the left and right of the LED module 22 intersects. Thereby, in each of the left and right sides of the lamp 13, a margin angle θ2 obtained by reducing the irradiation angle is ensured between the outside illumination light forming the irradiation angle in a predetermined range and the opening edge 20 of the opening portion 12, and FIG. As shown, the LED module 22 can be rotated without causing kicking.

従って、本実施形態に係る照明器具10、照明器具21によれば、灯具13の首振角を変えても光の蹴られを防止できる。この結果、照射方向を変更可能にしながら、出射光の無駄を軽減して効率的な照明光の照射が可能となる。   Therefore, according to the lighting fixture 10 and the lighting fixture 21 which concern on this embodiment, even if the swing angle of the lamp 13 is changed, the kick of light can be prevented. As a result, the illumination direction can be changed, and the waste of the emitted light can be reduced to efficiently illuminate the illumination light.

なお、上記の実施形態では、支軸15が具体的に設けられる構成を例に説明したが、本発明に係る照明器具は、支軸15を省略してもよい。この場合、LEDモジュール16またはLEDモジュール22が、支軸15の位置を回転中心として円周方向に移動されるガイド手段を設ければ、上記と同様に動作させることができる。   In the above-described embodiment, the configuration in which the support shaft 15 is specifically provided has been described as an example. However, the support device 15 may be omitted in the lighting fixture according to the present invention. In this case, if the LED module 16 or the LED module 22 is provided with guide means that moves in the circumferential direction with the position of the support shaft 15 as the rotation center, the LED module 16 or the LED module 22 can be operated in the same manner as described above.

10,21 照明器具
11 天井
12 開口部
13 灯具
15 支軸
16 LEDモジュール
17 水平線分
18 LED
19 碗状内面
20 開口縁
23 V字状内面
DESCRIPTION OF SYMBOLS 10,21 Lighting fixture 11 Ceiling 12 Opening part 13 Lamp 15 Support axis 16 LED module 17 Horizontal line segment 18 LED
19 bowl-shaped inner surface 20 opening edge 23 V-shaped inner surface

Claims (3)

全体が天井に埋め込まれ、かつ下方に開口部を有する灯具と、
前記灯具の鉛直断面に直交する支軸と、
前記灯具の内側に設けられると共に、前記支軸に回転自在に支持されるLEDモジュールと、
を具備し、
前記LEDモジュールは、
前記灯具の鉛直断面における形状が逆御碗形状である部分と、
前記逆御碗形状である部分の碗状内面に沿って配置され、かつ、前記LEDモジュールが回転されない状態において、前記支軸よりも上方に位置する複数のLEDと、
を有し、
前記LEDモジュールが回転されない場合、
前記灯具の鉛直断面において、前記逆御碗形状である部分は左右対称の形状であり、
前記灯具の鉛直断面において前記灯具の開口部を前記天井に平行な線分で示す場合に、前記複数のLEDのうちの、前記灯具の鉛直断面における右側の外側に位置する第1のLEDが発する第1の出射光の方向を示す第1の矢印と、左側の外側に位置する第2のLEDが発する第2の出射光の方向を示す第2の矢印とは、前記灯具の前記開口部を示す線分上において第1の角度で交差し、
かつ、前記第1の矢印と前記灯具の前記開口部の一方の開口縁との間、および前記第2の矢印と前記灯具の前記開口部の、前記一方の開口縁とは反対側の他方の開口縁との間の各々において第1の余裕角が確保されて、前記第1の出射光は前記一方の開口縁と干渉せず、前記第2の出射光は前記他方の開口縁と干渉せず、
前記LEDモジュールが回転される場合、
前記LEDモジュールの回転範囲が規制され、前記LEDモジュールが最大に回転された状態では、前記第1の矢印と前記一方の開口縁との間、および前記第2の矢印と前記他方の開口縁との間のうちのいずれか一方には、前記第1の余裕角から前記LEDモジュールの回転角を減じた角度の第2の余裕角が確保され、いずれか他方には、前記第1の余裕角に前記LEDモジュールの回転角を加えた角度の第3の余裕角が確保され、前記第1の出射光は前記一方の開口縁と干渉せず、前記第2の出射光は前記他方の開口縁と干渉しない照明器具。
A lamp that is entirely embedded in the ceiling and has an opening below;
A spindle perpendicular to the vertical section of the lamp,
Rutotomoni provided inside the lamp, the LED module that is rotatably supported on the support shaft,
Equipped with,
The LED module
A portion in which the shape of the lamp in the vertical cross section is an inverted Mitake shape ;
It disposed me along the bowl-shaped inner surface of the part which is the inverse control bowl shape, and, in a state in which the LED module is not rotated, a plurality of LED located above said support shaft,
Have
If the LED module is not rotated,
In the vertical cross-section of the lamp, the portion that is the reverse bowl shape is a symmetrical shape,
When the opening of the lamp is indicated by a line segment parallel to the ceiling in the vertical cross section of the lamp, the first LED located outside the right side of the vertical cross section of the lamp is emitted from the plurality of LEDs. The first arrow indicating the direction of the first emitted light and the second arrow indicating the direction of the second emitted light emitted by the second LED located on the left outer side indicate the opening of the lamp. Intersect at a first angle on the line segment shown,
And between the first arrow and one opening edge of the opening of the lamp, and the other of the second arrow and the opening of the lamp opposite to the one opening edge. A first margin angle is ensured between each of the opening edges, the first outgoing light does not interfere with the one opening edge, and the second outgoing light does not interfere with the other opening edge. Without
When the LED module is rotated,
In a state where the rotation range of the LED module is restricted and the LED module is rotated to the maximum, the second arrow and the other opening edge are between the first arrow and the one opening edge. A second margin angle obtained by subtracting the rotation angle of the LED module from the first margin angle is ensured in one of the two, and the first margin angle is provided in either one of A third margin angle, which is the angle obtained by adding the rotation angle of the LED module, is ensured, the first emitted light does not interfere with the one opening edge, and the second emitted light does not interfere with the other opening edge. Lighting equipment that does not interfere with the light.
全体が天井に埋め込まれ、かつ下方に開口部を有する灯具と、
前記灯具の鉛直断面に直交する支軸と、
前記灯具の内側に設けられると共に、前記支軸に回転自在に支持されるLEDモジュールと、
を具備し、
前記LEDモジュールは、
前記灯具の鉛直断面における形状が逆V字形状である部分と、
前記逆V字形状である部分のV字状内面に沿って配置され、かつ、前記LEDモジュールが回転されない状態において、前記支軸よりも上方に位置する複数のLEDと、
を有し、
前記LEDモジュールが回転されない場合、
前記灯具の鉛直断面において、前記逆V字形状である部分は左右対称の形状であり、
前記灯具の鉛直断面において前記灯具の開口部を前記天井に平行な線分で示す場合に、前記複数のLEDのうちの、前記灯具の鉛直断面における右側の第1の位置にある第1のLEDが発する第1の出射光の方向を示す第1の矢印と、左側の、前記第1の位置に対応する第2の位置にある第2のLEDが発する第2の出射光の方向を示す第2の矢印とは、前記灯具の前記開口部を示す線分上において第1の角度で交差し、
かつ、前記第1の矢印と前記灯具の前記開口部の一方の開口縁との間、および前記第2の矢印と前記灯具の前記開口部の、前記一方の開口縁とは反対側の他方の開口縁との間の各々において第1の余裕角が確保されて、前記第1の出射光は前記一方の開口縁と干渉せず、前記第2の出射光は前記他方の開口縁と干渉せず、
前記LEDモジュールが回転される場合、
前記LEDモジュールの回転範囲が規制され、前記LEDモジュールが最大に回転された状態では、前記第1の矢印と前記一方の開口縁との間、および前記第2の矢印と前記他方の開口縁との間のうちのいずれか一方には、前記第1の余裕角から前記LEDモジュールの回転角を減じた角度の第2の余裕角が確保され、いずれか他方には、前記第1の余裕角に前記LEDモジュールの回転角を加えた角度の第3の余裕角が確保され、前記第1の出射光は前記一方の開口縁と干渉せず、前記第2の出射光は前記他方の開口縁と干渉しない照明器具。
A lamp that is entirely embedded in the ceiling and has an opening below;
A spindle perpendicular to the vertical section of the lamp,
Rutotomoni provided inside the lamp, the LED module that is rotatably supported on the support shaft,
Equipped with,
The LED module
A portion in which the shape of the lamp in the vertical cross section is an inverted V shape ;
Disposed me along the V-shaped inner face of the portion is the inverted V-shape and, in a state in which the LED module is not rotated, a plurality of LED located above said support shaft,
Have
If the LED module is not rotated,
In the vertical cross section of the lamp, the inverted V-shaped portion is a symmetrical shape,
When the opening of the lamp is indicated by a line segment parallel to the ceiling in the vertical cross section of the lamp, the first LED at the first position on the right side of the vertical cross section of the lamp among the plurality of LEDs. The first arrow indicating the direction of the first emitted light emitted by the first LED and the second arrow indicating the direction of the second emitted light emitted by the second LED at the second position corresponding to the first position on the left side The two arrows intersect at a first angle on the line segment indicating the opening of the lamp,
And between the first arrow and one opening edge of the opening of the lamp, and the other of the second arrow and the opening of the lamp opposite to the one opening edge. A first margin angle is ensured between each of the opening edges, the first outgoing light does not interfere with the one opening edge, and the second outgoing light does not interfere with the other opening edge. Without
When the LED module is rotated,
In a state where the rotation range of the LED module is restricted and the LED module is rotated to the maximum, the second arrow and the other opening edge are between the first arrow and the one opening edge. A second margin angle obtained by subtracting the rotation angle of the LED module from the first margin angle is ensured in one of the two, and the first margin angle is provided in either one of A third margin angle, which is the angle obtained by adding the rotation angle of the LED module, is ensured, the first emitted light does not interfere with the one opening edge, and the second emitted light does not interfere with the other opening edge. Lighting equipment that does not interfere with the light.
請求項1または請求項2記載の照明器具において、
前記支軸前記灯具の鉛直断面における、前記灯具の開口部を示す前記天井に平行な線分の二等分点を通り、かつ前記灯具の鉛直断面に対して垂直となるように配置される照明器具。
In the lighting fixture of Claim 1 or Claim 2,
The support shaft is disposed so as to pass through a bisector of a line segment parallel to the ceiling indicating the opening of the lamp in a vertical section of the lamp and to be perpendicular to the vertical section of the lamp. Lighting equipment.
JP2014196478A 2014-09-26 2014-09-26 lighting equipment Expired - Fee Related JP5887563B2 (en)

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