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JP4363387B2 - lighting equipment - Google Patents
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JP4363387B2 - lighting equipment - Google Patents

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Publication number
JP4363387B2
JP4363387B2 JP2005262965A JP2005262965A JP4363387B2 JP 4363387 B2 JP4363387 B2 JP 4363387B2 JP 2005262965 A JP2005262965 A JP 2005262965A JP 2005262965 A JP2005262965 A JP 2005262965A JP 4363387 B2 JP4363387 B2 JP 4363387B2
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Japan
Prior art keywords
light
light guide
instrument body
light emitting
lighting
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Expired - Fee Related
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JP2005262965A
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JP2007080539A (en
Inventor
健一郎 田中
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Panasonic Corp
Panasonic Electric Works Co Ltd
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Panasonic Corp
Matsushita Electric Works Ltd
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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

本発明は、照明器具に関するものである。   The present invention relates to a lighting fixture.

従来から、透明な材料からなる導光体を介して光源の光を出力させる照明器具が提供されている（例えば、特許文献１参照）。この種の照明器具によれば、光源の数の割に広い発光面積を得ることができる上に、光源の光を直接、床面等の被照面に照射するものに比べ、柔らかい印象の照明を得ることができる。
特開平０９−００７４１４号公報 Conventionally, there has been provided a lighting fixture that outputs light from a light source through a light guide made of a transparent material (see, for example, Patent Document 1). According to this type of lighting fixture, a wide light emitting area can be obtained for the number of light sources, and illumination with a soft impression can be achieved compared to a light source that directly irradiates an illuminated surface such as a floor surface. Obtainable.
JP 09-007414 A

しかし、上記従来の照明器具では、導光体や光源は定位置に固定されるものであり、配光の変更が困難であった。   However, in the above-mentioned conventional lighting fixture, the light guide and the light source are fixed at fixed positions, and it is difficult to change the light distribution.

本発明は上記事由に鑑みて為されたものであり、その目的は、配光を容易に変更することができる照明器具を提供することにある。   This invention is made | formed in view of the said reason, The objective is to provide the lighting fixture which can change light distribution easily.

本発明は、複数個の光源と、各光源をそれぞれ点灯させる点灯手段と、点灯手段を保持して造営面に固定される器具本体と、透光性を有する材料からなり光源に光学的に結合するとともに器具本体に対して光源の光が出射する方向を変化させるように回動可能に連結された導光体とを備えることを特徴とする。   The present invention includes a plurality of light sources, lighting means for lighting each light source, an instrument body that holds the lighting means and is fixed to a construction surface, and is optically coupled to the light source made of a light-transmitting material. And a light guide that is rotatably connected so as to change the direction in which the light from the light source is emitted relative to the instrument body.

本発明によれば、導光体を器具本体に体して回動させることにより、配光を容易に変更することができる。   According to the present invention, the light distribution can be easily changed by turning the light guide body around the instrument body.

以下、本発明の実施形態について、吊り下げ形の照明器具を例に挙げ、図面を参照しながら説明する。なお、本発明は、吊り下げ形に限らず、例えば造営面としての壁面に取り付けられる照明器具にも適用可能である。   Hereinafter, an embodiment of the present invention will be described with reference to the drawings, taking a hanging type lighting apparatus as an example. In addition, this invention is applicable not only to a hanging type but the lighting fixture attached, for example to the wall surface as a construction surface.

本実施形態は、図１に示すように、造営面としての天井面ＣＥから電線Ｃを介して吊り下げ支持される器具本体１を備える。以下、上下方向は図１を基準として説明する。   As shown in FIG. 1, the present embodiment includes an instrument body 1 that is supported by being suspended from a ceiling surface CE as a construction surface via an electric wire C. Hereinafter, the vertical direction will be described with reference to FIG.

器具本体１は下側に開口した凹部１０を有し、凹部１０の底面にはそれぞれ光を下方に照射する複数個の発光ダイオード２１が実装されている。   The instrument body 1 has a recess 10 that opens downward, and a plurality of light emitting diodes 21 that irradiate light downward are mounted on the bottom surface of the recess 10.

また、図２に示すように、器具本体１は、上方から見て八角形状に形成されており、それぞれ例えばアクリル樹脂のような透光材料からなり光源としての発光ダイオード２２が光学的に結合した導光体３が、各辺にそれぞれ１個ずつ取り付けられている。各導光体３はそれぞれ台形の平板形状に形成されており、一面に例えば銀めっきからなり光を反射する反射層（図示せず）が設けられることにより、他面側へ発光ダイオード２２の光が出射されるように構成されている。発光ダイオード２２は、例えば導光体３に設けられた凹部（図示せず）内に収納され、透光性を有する接着剤を介して凹部の内面に発光部が接着されることにより、導光体３に光学的に結合している。導光体３において発光ダイオード２２の光が出射する面から見て、発光ダイオード２２の直射光が見えないように、発光ダイオード２２の位置及び向きは選択されている。   Moreover, as shown in FIG. 2, the instrument main body 1 is formed in an octagonal shape when viewed from above, and is made of a light-transmitting material such as acrylic resin, and light emitting diodes 22 as light sources are optically coupled to each other. One light guide 3 is attached to each side. Each light guide 3 is formed in a trapezoidal flat plate shape, and is provided with a reflective layer (not shown) made of, for example, silver plating and reflecting light on one surface, so that the light of the light emitting diode 22 is transmitted to the other surface side. Is emitted. The light emitting diode 22 is housed in, for example, a recess (not shown) provided in the light guide 3, and the light emitting portion is bonded to the inner surface of the recess via a translucent adhesive, thereby guiding the light. Optically coupled to the body 3. The position and orientation of the light emitting diode 22 are selected so that the direct light of the light emitting diode 22 is not visible when viewed from the surface of the light guide 3 where the light emitted from the light emitting diode 22 is emitted.

また、図３に示すように、導光体３の短辺側の端面には、軸方向が導光体３の短辺に沿った方向の円柱形状の軸受け部３１が突設されている。器具本体１には、各辺の両端からそれぞれ軸方向が辺に沿った方向の円柱形状の軸受け部１１が外側へ突設されている。導光体３の軸受け部３１の各底面と、器具本体１の軸受け部１１の互いに対向する底面との一方には軸突起４が突設され、他方には軸突起４が挿入される軸受け穴（図示せず）が設けられている。そして、導光体３は、発光ダイオード２２の光が出射される面を下側にして、軸受け部３１が器具本体１の互いに同じ辺から突設された２個の軸受け部１１の間に配置された形で、軸突起４が軸受け穴に挿入されることにより、器具本体１から離れた側の端部を上下に変位させるように器具本体１に対して回動可能となっている。   Further, as shown in FIG. 3, a cylindrical bearing portion 31 whose axial direction is along the short side of the light guide 3 is projected from the end surface on the short side of the light guide 3. A cylindrical bearing portion 11 having an axial direction along the side is protruded outward from the both ends of each side of the instrument body 1. A shaft projection 4 protrudes from one of the bottom surface of the bearing portion 31 of the light guide 3 and the bottom surface of the bearing portion 11 of the instrument body 1 facing each other, and a bearing hole into which the shaft projection 4 is inserted in the other. (Not shown) is provided. The light guide 3 is disposed between the two bearing portions 11 with the bearing portion 31 protruding from the same side of the instrument body 1 with the light emitting surface of the light emitting diode 22 emitted downward. In this manner, the shaft protrusion 4 is inserted into the bearing hole, so that the end on the side away from the device main body 1 can be turned up and down with respect to the device main body 1.

さらに、図４に示すように、器具本体１と導光体３とにおいて、軸突起４及び軸受け穴の周囲には、それぞれ放射状の凹部４１と凸部４２とが器具本体１に対する導光体３の回動軸の全周にわたって交互に設けられている。図４では器具本体１の軸受け部１１についてのみ示しているが、導光体３の軸受け部３１も同様である。   Further, as shown in FIG. 4, in the instrument main body 1 and the light guide 3, radial concave portions 41 and convex portions 42 are provided around the shaft protrusion 4 and the bearing hole, respectively, with respect to the instrument main body 1. Are alternately provided over the entire circumference of the rotating shaft. Although FIG. 4 shows only the bearing portion 11 of the instrument body 1, the same applies to the bearing portion 31 of the light guide 3.

導光体３に力を加え、器具本体１の軸受け部１１を押し広げるように弾性変形させながら導光体３を器具本体１に対して回動させると、一方の凸部４２が他方の凸部４２を乗り越えたときに互いに噛合する凹部４１と凸部４２との組み合わせが変化する。導光体３に加える力を除去した後は、導光体３の器具本体１に対する位置は、互いに噛合する凹部４１と凸部４２との組み合わせに応じた複数段階の位置のいずれかに保持される。   When a force is applied to the light guide 3 and the light guide 3 is rotated with respect to the instrument body 1 while being elastically deformed so as to push and spread the bearing portion 11 of the instrument body 1, one convex part 42 becomes the other convex part 42. The combination of the concave part 41 and the convex part 42 that mesh with each other when the part 42 is overcome is changed. After the force applied to the light guide 3 is removed, the position of the light guide 3 with respect to the instrument body 1 is held at one of a plurality of positions according to the combination of the concave portion 41 and the convex portion 42 that mesh with each other. The

また、器具本体１の上側には、各発光ダイオード２１，２２をそれぞれ点灯させるための電源を生成する点灯回路が実装されたプリント配線板（図示せず）を器体に収納してなる電源ブロック４が取り付けられている。点灯回路の電源は、器具本体１を吊り下げる電線Ｃを介して供給される。また、導光体３に設けられた発光ダイオード２２は、例えば導光体３の上側に配置された柔軟な電線（図示せず）を介して点灯回路に電気的に接続されている。   Further, a power supply block in which a printed wiring board (not shown) on which a lighting circuit for generating a power source for lighting each of the light emitting diodes 21 and 22 is mounted is housed in the upper body of the appliance main body 1. 4 is attached. Power for the lighting circuit is supplied via an electric wire C that suspends the instrument body 1. Moreover, the light emitting diode 22 provided in the light guide 3 is electrically connected to the lighting circuit via a flexible electric wire (not shown) disposed on the upper side of the light guide 3, for example.

さらに、器具本体１の下側には、器具本体１に設けられた発光ダイオード２１の光を拡散させる拡散板５が設けられている。拡散板５は、例えばガラスのような透明な材料からなり下面が粗面化されたものである。この拡散板５により、発光ダイオード２１の光点がぼやけるから、拡散板５を設けない場合に比べて見栄えが良くなっている。   Furthermore, a diffusion plate 5 that diffuses light of the light emitting diode 21 provided in the instrument body 1 is provided below the instrument body 1. The diffuser plate 5 is made of a transparent material such as glass, for example, and its lower surface is roughened. Since the light spot of the light emitting diode 21 is blurred by the diffusion plate 5, the appearance is better than the case where the diffusion plate 5 is not provided.

上記構成によれば、導光体３の向きを変更することによって容易に配光を変更することができる。   According to the above configuration, the light distribution can be easily changed by changing the direction of the light guide 3.

なお、導光体３に光学的に結合される発光ダイオード２２を、導光体３に設ける代わりに器具本体１に設けるとともに、例えばフッ素樹脂のような柔軟な透光材料からなるライトガイド（図示せず）を介して発光ダイオード２２と導光体３とを光学的に結合させてもよい。   In addition, the light-emitting diode 22 optically coupled to the light guide 3 is provided in the fixture main body 1 instead of being provided in the light guide 3, and a light guide made of a flexible light-transmitting material such as a fluororesin (see FIG. The light emitting diode 22 and the light guide 3 may be optically coupled via a not-shown).

また、使用者によって操作される押釦のような操作部並びに操作部に加えられた操作に応じたワイヤレス信号を出力する送信回路を有するリモコン装置（図示せず）を設けるとともに、リモコン装置からのワイヤレス信号を受信する受信回路（図示せず）と、導光体３を回動させる駆動機構（図示せず）と、受信回路に受信されたワイヤレス信号に応じて駆動機構を制御する制御回路（図示せず）とをそれぞれ器具本体１に設け、リモコン装置を用いて配光を変更可能としてもよい。駆動機構は、例えば、導光体３の上面に連結されたワイヤと、制御回路によって制御されてワイヤの巻き取り及び繰り出しを行うことにより導光体３を回動させるサーボモータとで構成することができる。この場合、導光体３の位置は駆動機構によって保持されるので、軸受け部１１，３１の凹部４１や凸部４２は不要となる。上記の各構成は、いずれも周知技術で実現可能であるので図示並びに詳細な説明は省略する。   In addition, a remote control device (not shown) having an operation unit such as a push button operated by a user and a transmission circuit that outputs a wireless signal corresponding to an operation applied to the operation unit is provided, and wireless from the remote control device is provided. A receiving circuit (not shown) for receiving a signal, a driving mechanism (not shown) for rotating the light guide 3, and a control circuit (not shown) for controlling the driving mechanism according to a wireless signal received by the receiving circuit (Not shown) may be provided in the instrument body 1 and the light distribution may be changed using a remote control device. The drive mechanism is constituted by, for example, a wire connected to the upper surface of the light guide 3 and a servo motor that rotates the light guide 3 by winding and unwinding the wire under the control of the control circuit. Can do. In this case, since the position of the light guide 3 is held by the driving mechanism, the concave portions 41 and the convex portions 42 of the bearing portions 11 and 31 are not necessary. Each of the above configurations can be realized by a well-known technique, and therefore illustration and detailed description thereof are omitted.

本発明の実施形態の概略を示す説明図である。It is explanatory drawing which shows the outline of embodiment of this invention. 同上の器具本体並びに導光体を示す平面図である。It is a top view which shows the instrument main body and light guide body same as the above. 同上の要部を示す正面図である。It is a front view which shows the principal part same as the above. 同上の別の要部を示す断面図である。It is sectional drawing which shows another principal part same as the above.

符号の説明Explanation of symbols

１ 器具本体
３ 導光体
２１，２２ 発光ダイオード DESCRIPTION OF SYMBOLS 1 Instrument body 3 Light guide 21 and 22 Light emitting diode

Claims (1)

複数個の光源と、各光源をそれぞれ点灯させる点灯手段と、点灯手段を保持して造営面に固定される器具本体と、透光性を有する材料からなり光源に光学的に結合するとともに器具本体に対して光源の光が出射する方向を変化させるように回動可能に連結された導光体とを備えることを特徴とする照明器具。   A plurality of light sources, lighting means for lighting each light source, an instrument body that holds the lighting means and is fixed to the construction surface, and an instrument body that is optically coupled to the light source made of a light-transmitting material And a light guide that is rotatably connected so as to change the direction in which the light from the light source is emitted.
JP2005262965A 2005-09-09 2005-09-09 lighting equipment Expired - Fee Related JP4363387B2 (en)

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JP4363387B2 true JP4363387B2 (en) 2009-11-11

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