JP5023290B2 - Revolving light - Google Patents

Revolving light Download PDF

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JP5023290B2
JP5023290B2 JP2007261697A JP2007261697A JP5023290B2 JP 5023290 B2 JP5023290 B2 JP 5023290B2 JP 2007261697 A JP2007261697 A JP 2007261697A JP 2007261697 A JP2007261697 A JP 2007261697A JP 5023290 B2 JP5023290 B2 JP 5023290B2
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light
light guide
guide lens
reflecting mirror
rotating plate
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JP2009093857A (en
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義守 杉田
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Asama Factory Co
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a rotating body free from vainly dissipating light, and capable of giving variations in decoration modes. <P>SOLUTION: The rotating body includes a rotating plate 2 fitted to a mounting base 1 in free rotation, a reflecting mirror 3 erected at one side of the rotating plate 2, a light guide lens 5 set in penetration at the center of the rotating plate inflecting incident light from an LED 4 toward the reflecting mirror 3 to irradiate it, and the LED arranged under the light guide lens and emitting light toward the same. The light guide lens 5 is provided with a pillar-shaped part 51 for guiding light, at a tip of which 51, a reflecting face 52 is formed for inflecting the incident light in a direction at right angles, and on a side face of which 51 to be a rear side of the reflecting face 52, a light-irradiating face 54 is formed. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

Description

本発明は、LEDを光源として用いた回転灯に関するものである。   The present invention relates to a rotating lamp using an LED as a light source.

従来の回転灯は光源に白熱電球を用いていた。しかし、白熱電球は消費電力が大きく、寿命が短く、且つ衝撃に弱いという欠点があった。
そこで上記した欠点を補うものとして、特許文献1にはLED(発光ダイオード)を光源として用いた回転灯が開示されている。この回転灯は、ランプ台内部にLEDからなる光源を上向きに配置し、この光源の上方に反射鏡を配設して、反射鏡を回転させることによって、LEDからの発光を閃光させるようにしたものである。このように構成したことによって、光を周囲に向けて閃光させて人の注意を引き付けることができる。
Conventional rotating lamps used incandescent bulbs as light sources. However, incandescent bulbs have the disadvantages of high power consumption, short lifetime, and weakness to impact.
In order to compensate for the above-described drawbacks, Patent Document 1 discloses a rotating lamp using an LED (light emitting diode) as a light source. In this rotating lamp, a light source composed of an LED is arranged upward in the lamp base, a reflecting mirror is disposed above the light source, and the reflecting mirror is rotated to flash light emitted from the LED. Is. With this configuration, it is possible to attract the attention of a person by flashing light toward the surroundings.

しかしながら、LEDは光の直進性に優れているがビームには開きがあって一部は斜め方向に拡散される。したがって、発光された多くの光は反射鏡で反射されるが、一部は反射鏡から外れて反射されることなく拡散されてしまうので、光源の輝度に対して反射された光の輝度は低下して発光が無駄に散逸されてしまうという欠点があった。さらに、比較的大きな平板状の反射鏡を傾けて使用しているために、回転灯の装飾態様が制限を受けてしまい、変化に富んだ装飾を施すことができないという制限もあった。
登録実用新案第3127523号公報
However, although the LED is excellent in light straightness, there is an opening in the beam, and a part is diffused in an oblique direction. Therefore, much of the emitted light is reflected by the reflecting mirror, but part of the light is diffused without being reflected off the reflecting mirror, so the brightness of the reflected light is reduced relative to the brightness of the light source. As a result, there is a drawback that the emitted light is wasted. Furthermore, since a relatively large flat reflector is used at an angle, there is a limitation that the decoration mode of the rotating lamp is restricted, and a variety of decorations cannot be applied.
Registered Utility Model No. 3127523

本発明は、上記した従来の問題点に鑑み、光を無駄に散逸させることがなく、且つ装飾態様に変化を付けることができる回転灯を提供することを課題とする。 In view of the above-described conventional problems, it is an object of the present invention to provide a rotating lamp that does not waste light and can change the decoration mode.

上記の課題を解決するためになされた本発明に係る回転灯は、
取付ベースに回転可能に配設された回転板と、
回転板の一側に立設された反射鏡と、
回転板の回転中心に貫設されてLEDからの入射光を反射鏡に向けて屈曲させて出射する導光レンズと、
導光レンズの下方に配置され導光レンズに向けて発光するLEDと、からなる回転灯であって、
導光レンズは、導光用の柱状部を有し、この柱状部の先端には下方からの入射光を反射鏡の方向に直角に屈曲させる反射面が形成され、かつ反射面の裏側となる柱状部側面には光の出射面が形成されるとともに、
該反射面に、光を反射鏡に向かう方向とは異なる方向に屈曲させて出光するための、出射部を設けたことを特徴とするものである。
The rotating lamp according to the present invention made to solve the above problems is
A rotating plate rotatably disposed on the mounting base;
A reflector standing on one side of the rotating plate;
A light guide lens that penetrates the rotation center of the rotating plate and emits the incident light from the LED bent toward the reflecting mirror; and
A rotating lamp comprising an LED disposed below the light guide lens and emitting light toward the light guide lens ,
The light guide lens has a columnar portion for light guide, and a reflection surface that bends incident light from below at right angles to the direction of the reflecting mirror is formed at the tip of the columnar portion, and becomes the back side of the reflection surface. A light exit surface is formed on the side surface of the columnar part,
The reflecting surface is provided with an emitting portion for emitting light by bending in a direction different from the direction toward the reflecting mirror .

本発明は、LEDの発光を導光レンズを介して反射鏡に導くので、光の散逸を最小限にして、反射鏡の反射光の輝度の低下を抑えることができる。また、導光レンズにより光を直角方向に屈曲させて反射鏡に導くので、光の散逸を低減することができる。さらに、入射された光の一部を反射鏡とは反対方向に出射させるので、回転灯の閃光の態様に変化を付けることができる。 According to the present invention, the light emission of the LED is guided to the reflecting mirror through the light guide lens, so that the dissipation of light can be minimized and the decrease in the brightness of the reflected light of the reflecting mirror can be suppressed. In addition, since light is bent in a right angle direction by the light guide lens and guided to the reflecting mirror, the dissipation of light can be reduced. Furthermore, since a part of the incident light is emitted in a direction opposite to the reflecting mirror, the flash mode of the rotating lamp can be changed.

以下に、本発明の実施形態及び参考形態を図面に基づき説明する。
図1〜5は、本発明の参考形態の回転灯を示す図であって、1は円板状の取付ベース、2は取付ベースに回転可能に配設された回転板、3は回転板2の一側に立設された反射鏡である。取付ベース1の下方には脚部11に固定されたプリント基板8が配設され、この基板8にLED4が上方に発光するようにして備えられている(図2)。
Embodiments and reference embodiments of the present invention will be described below with reference to the drawings.
1 to 5 are diagrams showing a rotating lamp according to a reference embodiment of the present invention, in which 1 is a disk-shaped mounting base, 2 is a rotating plate rotatably disposed on the mounting base, and 3 is a rotating plate 2. It is the reflecting mirror erected on one side. A printed circuit board 8 fixed to the leg portion 11 is disposed below the mounting base 1, and an LED 4 is provided on the board 8 so as to emit light upward (FIG. 2).

取付ベース1は、中心に穴15を有しており(図4)、この穴15を介して回転板2は裏面が駆動ギア6と接続され(図3)、この駆動ギア6はモータ9のモータギア91と噛合しているので、モータ9の回転により回転板2は回転される(図2)。また、駆動ギア6には、回転板2の中心を貫通して透明樹脂製の導光レンズ5が立設されているので、導光レンズ5は駆動ギア6によって回転される回転板2と一体に回転する。   The mounting base 1 has a hole 15 in the center (FIG. 4), and the back surface of the rotating plate 2 is connected to the drive gear 6 through this hole 15 (FIG. 3). Since it is meshed with the motor gear 91, the rotating plate 2 is rotated by the rotation of the motor 9 (FIG. 2). Further, since the light guide lens 5 made of transparent resin passes through the center of the rotary plate 2 in the drive gear 6, the light guide lens 5 is integrated with the rotary plate 2 rotated by the drive gear 6. Rotate to.

導光レンズ5は、下部の小径部55と上部の太径部56とからなる柱状部51を有し、小径部55の下端にはLED4の直上に位置される入射面52が形成されている(図3)。柱状部51の外周面は光の乱反射を防ぐように鏡面仕上げされているので、入射面52から入射した光は外周面から外部に散逸されることなく上方に導くことができる。LED4と導光レンズ5の入射面との距離は近いほど拡散される光が少なくなるため望ましいが、LED4が固定されているのに対して導光レンズ5は回転しているので、両者が接触しない程度の距離(1〜2mm程度)が望ましい。また、導光レンズの入射面はフレネルレンズ等により更に集光効率を上げることも可能である。 The light guide lens 5 has a columnar portion 51 composed of a lower diameter portion 55 and an upper large diameter portion 56, and an incident surface 52 located immediately above the LED 4 is formed at the lower end of the small diameter portion 55. (Figure 3). Since the outer peripheral surface of the columnar part 51 is mirror-finished so as to prevent irregular reflection of light, the light incident from the incident surface 52 can be guided upward from the outer peripheral surface without being scattered outside. The closer the distance between the LED 4 and the incident surface of the light guide lens 5 is, the less light is diffused. However, the LED 4 is fixed while the light guide lens 5 is rotating, so that both are in contact with each other. A distance (about 1 to 2 mm) is preferable. Further, the light incident efficiency of the light guide lens can be further increased by a Fresnel lens or the like.

太径部56の先端には、前方に向けて45°に面取りされた反射面53が形成されており、この反射面53も鏡面に仕上げられているので、下方から案内されてきた光は後方の反射鏡3の方向に向けて屈曲される。さらに反射面53の裏側で柱状部51の側面には、鏡面仕上げされた出射面54が形成されているので、屈曲された光は出射面54を透過直進して反射鏡3に至り、反射鏡3にて反射される。この反射鏡3は回転板2と共に回転するので、一方向からみる看者に対して閃光を発することができる。   A reflection surface 53 that is chamfered at 45 ° toward the front is formed at the front end of the large-diameter portion 56, and the reflection surface 53 is also mirror-finished, so that the light guided from below is rearward. Are bent toward the reflecting mirror 3. Further, since the mirror-finished exit surface 54 is formed on the side of the columnar portion 51 on the back side of the reflective surface 53, the bent light passes through the exit surface 54 and travels straight to the reflective mirror 3 to reach the reflective mirror 3. 3 is reflected. Since the reflecting mirror 3 rotates together with the rotating plate 2, a flash can be emitted to a viewer viewed from one direction.

以下に、回転灯の取付構造について詳述する。
回転板2は、中心に穴部21を有し、裏側には螺合用のボス部22と位置決め片23とを有する筒状部24が形成されている(図5)。
駆動ギア6は、上面側の中心に短筒部61と、この短筒部61を囲う外側筒部62とを有する。これら短筒部61には凹欠部65が、外側筒部62には外側凹欠部66が夫々設けられている(図4)。
導光レンズ5の小径部55は、駆動ギア6の中心に設けた短筒部61に嵌め込まれる寸法に形成されている。また、小径部55には直交する3方向に面取り部55aが形成され残りの1方向には位置決め突部55bが形成されている。
図4において、7は取付部材であって、この取付部材7には、前記面取り部55aに対応した角形部71を有する穴72が設けられている。
Below, the attachment structure of a rotating lamp is explained in full detail.
The rotary plate 2 has a hole portion 21 at the center, and a cylindrical portion 24 having a screwing boss portion 22 and a positioning piece 23 is formed on the back side (FIG. 5).
The drive gear 6 has a short cylindrical portion 61 and an outer cylindrical portion 62 surrounding the short cylindrical portion 61 at the center on the upper surface side. The short cylindrical portion 61 is provided with a recess 65, and the outer cylindrical portion 62 is provided with an outer recess 66 (FIG. 4).
The small-diameter portion 55 of the light guide lens 5 is formed to have a size that fits into a short cylinder portion 61 provided at the center of the drive gear 6. Further, the small diameter portion 55 is formed with chamfered portions 55a in three orthogonal directions, and positioning protrusions 55b are formed in the remaining one direction.
In FIG. 4, reference numeral 7 denotes an attachment member, and the attachment member 7 is provided with a hole 72 having a square portion 71 corresponding to the chamfered portion 55a.

以上のように構成された各部材において、導光レンズ5の小径部55を短筒部61に嵌め込むことによって太径部56の下端が短筒部61上端に当接して、高さ方向の位置決めがなされる。さらに、取付部材7の角形部61に面取り部55aを嵌め込むとともに、駆動ギア6の外側筒部62を取付ベース1の穴15に差し込んで、取付部材7を駆動ギア6を挟んだ状態で回転板2の裏面に螺着することによって、回転板2と導光レンズ5と駆動ギア6と取付部材7とが、取付ベース1に対して回転可能に一体に組み付けることができる。このとき、回転板2の位置決め片23を駆動ギア6の外側凹欠部66に、導光レンズ5の位置決め突部55bを駆動ギア6の凹欠部65に、夫々嵌め込むことで、回転板2と導光レンズ5との駆動ギア6に対する回転方向の位置決めがなされる(図4、8)。 In each member configured as described above, by fitting the small diameter portion 55 of the light guide lens 5 into the short tube portion 61, the lower end of the large diameter portion 56 abuts on the upper end of the short tube portion 61, and the height direction Positioning is done. Further, the chamfered portion 55 a is fitted into the rectangular portion 61 of the mounting member 7, and the outer cylindrical portion 62 of the driving gear 6 is inserted into the hole 15 of the mounting base 1, and the mounting member 7 is rotated with the driving gear 6 interposed therebetween. By screwing on the back surface of the plate 2, the rotating plate 2, the light guide lens 5, the drive gear 6, and the mounting member 7 can be integrally assembled to the mounting base 1 so as to be rotatable. At this time, the positioning plate 23 of the rotating plate 2 is fitted into the outer recessed portion 66 of the drive gear 6, and the positioning projection 55 b of the light guide lens 5 is fitted into the recessed portion 65 of the driving gear 6. 2 and the light guide lens 5 are positioned relative to the drive gear 6 in the rotational direction (FIGS. 4 and 8).

また、駆動ギア6は、下面に遮光板63と位置決め突起64とを有する。また、取付部材7は、位置決め突起64が嵌め込まれる切り込み73が形成されている。さらに、プリント基板8には、フォトセンサー81が配置されているので、遮光板63とフォトセンサー81とで、導光レンズ5並びに反射鏡3の向きを検出できるので所定の方向に位置決めすることができる。   The drive gear 6 has a light shielding plate 63 and a positioning projection 64 on the lower surface. Further, the attachment member 7 is formed with a cut 73 into which the positioning protrusion 64 is fitted. Furthermore, since the photo sensor 81 is disposed on the printed circuit board 8, the light shielding plate 63 and the photo sensor 81 can detect the directions of the light guide lens 5 and the reflecting mirror 3, so that the photo sensor 81 can be positioned in a predetermined direction. it can.

図6に示す第1の実施形態の回転灯は、反射面53に、光を反射鏡3とは反対の方向に屈曲させて出光するための、出射部57を設けてある。すなわち、出射部57は、光の反射面58を有しているので、この反射面58で入射光の一部を反射鏡3とは反対の方向に屈曲させることができるので、閃光の態様に変化を付けることができるという利点があるなお、その他の構成は、前記した参考形態と同様であるので説明を省略する。 The rotating lamp according to the first embodiment shown in FIG. 6 is provided with an emitting portion 57 on the reflecting surface 53 for emitting light by bending the light in the direction opposite to the reflecting mirror 3. That is, since the emitting portion 57 has a light reflecting surface 58, a part of incident light can be bent in the direction opposite to the reflecting mirror 3 by the reflecting surface 58, so that the flashing mode is achieved. There is an advantage that change can be made. Since other configurations are the same as those of the above-described reference embodiment, description thereof is omitted.

また、図7に示す第2の実施形態のように、反射面53に向きの異なる二つの出射部57を設ければ、入射光の一部を複数の方向に屈曲させて出射することができる。 Further, as in the second embodiment shown in FIG. 7, if two emitting portions 57 having different directions are provided on the reflecting surface 53, a part of incident light can be bent and emitted in a plurality of directions. .

参考形態の回転灯の斜視図である。It is a perspective view of the revolving lamp of a reference form . 参考形態の回転灯の正面図である。It is a front view of the revolving light of a reference form . 図2のA−A線断面図である。It is the sectional view on the AA line of FIG. 上方からみた参考形態の回転灯の分解斜視図である。It is a disassembled perspective view of the rotary lamp of the reference form seen from the top. 下方からみた参考形態の回転灯の分解斜視図である。It is a disassembled perspective view of the rotary lamp of the reference form seen from the lower part. 第1の実施形態の回転灯の斜視図である。It is a perspective view of the rotary lamp of 1st Embodiment. 第2の実施形態の回転灯の斜視図である。It is a perspective view of the rotary lamp of 2nd Embodiment. 本発明の導光レンズの背面側の斜視図である。It is a perspective view of the back side of the light guide lens of the present invention .

1 取付ベース、2 回転板、3 反射鏡、4 LED、5 導光レンズ、51 導光用の柱状部、53 反射面、54 光の出射面、57 出射部 DESCRIPTION OF SYMBOLS 1 Mounting base, 2 Rotating plate, 3 Reflecting mirror, 4 LED, 5 Light guide lens, 51 Columnar part for light guide, 53 Reflecting surface, 54 Light emission surface, 57 Output part

Claims (1)

取付ベースに回転可能に配設された回転板と、
回転板の一側に立設された反射鏡と、
回転板の回転中心に貫設されてLEDからの入射光を反射鏡に向けて屈曲させて出射する導光レンズと、
導光レンズの下方に配置され導光レンズに向けて発光するLEDと、からなる回転灯であって、
導光レンズは、導光用の柱状部を有し、この柱状部の先端には下方からの入射光を反射鏡の方向に直角に屈曲させる反射面が形成され、かつ反射面の裏側となる柱状部側面には光の出射面が形成されるとともに、
該反射面に、光を反射鏡に向かう方向とは異なる方向に屈曲させて出光するための、出射部を設けたことを特徴とする回転灯。
A rotating plate rotatably disposed on the mounting base;
A reflector standing on one side of the rotating plate;
A light guide lens that penetrates the rotation center of the rotating plate and emits the incident light from the LED bent toward the reflecting mirror; and
A rotating lamp comprising an LED disposed below the light guide lens and emitting light toward the light guide lens ,
The light guide lens has a columnar portion for light guide, and a reflection surface that bends incident light from below at right angles to the direction of the reflecting mirror is formed at the tip of the columnar portion, and becomes the back side of the reflection surface. A light exit surface is formed on the side surface of the columnar part,
A rotating lamp characterized in that an exit part is provided on the reflecting surface to emit light by bending light in a direction different from the direction toward the reflecting mirror.
JP2007261697A 2007-10-05 2007-10-05 Revolving light Expired - Fee Related JP5023290B2 (en)

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