JP2009235860A - Light-emitting visual guidance device - Google Patents

Light-emitting visual guidance device Download PDF

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JP2009235860A
JP2009235860A JP2008086024A JP2008086024A JP2009235860A JP 2009235860 A JP2009235860 A JP 2009235860A JP 2008086024 A JP2008086024 A JP 2008086024A JP 2008086024 A JP2008086024 A JP 2008086024A JP 2009235860 A JP2009235860 A JP 2009235860A
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light
headlight
color
guidance device
self
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Nobuhisa Deki
信久 出来
Shinnosuke Hori
新之助 堀
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Sekisui Jushi Corp
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Sekisui Jushi Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a light-emitting visual guidance device capable of emitting the light of excellent visibility to both a vehicle with its headlight turned on and a vehicle with its headlight turned off. <P>SOLUTION: The light-emitting visual guidance device has a light-emitting body of two or more colors, and a detection means for detecting the headlight beam of a vehicle, and changes the color of the light-emitting body in the direction for detecting the headlight beam is changed from the light-emitting color when detecting the non-lit headlight. During the detection of the non-lit headlight, the light is emitted by changing the light-emitting body of the light color easily seen in a light condition. Then, the light of the color with good visibility from both vehicles with their headlight turned on or off. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、道路周辺に設置される自発光式視線誘導装置に関するものである。   The present invention relates to a self-luminous gaze guidance device installed around a road.

道路を通行するドライバーに対して、道路線形の表示や視線誘導を行い、安全な走行を支えるために、道路周辺には多くの視線誘導装置が備えられている。たとえば、道路わきの縁石や路側ライン、センターライン上などの道路鋲や、路側帯や中央分離帯に設置されているデリニェーターなどが挙げられ、このような視線誘導装置について多くの発明が開示されている。   Many gaze guidance devices are provided around the road in order to display road alignment and gaze guidance for drivers traveling on the road and to support safe driving. Examples include roadside curbs, roadside lines, centerlines, and other road fences, and delineators installed in roadside and median strips. Many inventions have been disclosed for such gaze guidance devices. Yes.

例えば特許文献１には、視線誘導灯を、トンネル等の壁面に略等間隔に取り付けるようにするとともに、センサによって走行する車両を検出し、検出信号に応じて、発光ダイオードを発光させるように制御することを特徴とする視線誘導灯の使用方法が開示されている。   For example, in Patent Document 1, gaze light is attached to a wall surface of a tunnel or the like at substantially equal intervals, a vehicle traveling by a sensor is detected, and a light emitting diode is controlled to emit light according to a detection signal. A method of using a line-of-sight guide lamp is disclosed.

特開２０００−１７０１２５号公報JP 2000-170125 A

しかしながら特許文献１の如き自発光式視線誘導装置は、車両検出手段が車両のヘッドライトが点灯しているか否かの区別をつけないので、ヘッドライト点灯車両にもヘッドライト消灯車両にも同じ発光色の発光を行うことになる。このため、自発光式視線誘導装置の発光体に暗所で視認しやすい発光色を採用した場合は、ヘッドライト点灯車両が通過する際に、自発光式視線誘導装置の周囲がライトに照らし出され明るくなり、車両からの視認性が低下する場合があるという問題点があった。逆に自発光式視線誘導装置の発光体に明所で視認しやすい発光色を採用した場合は、ヘッドライト消灯車両が通過する際に周囲が暗いため車両からの視認性が低い場合があるという問題点があった。   However, in the self-luminous gaze guidance device as in Patent Document 1, the vehicle detection means cannot distinguish whether the headlight of the vehicle is lit or not. Color emission is performed. For this reason, if the light emitting body of the self-luminous gaze guidance device adopts a light emission color that is easily visible in the dark, the surroundings of the self-luminous gaze guidance device illuminate the light when the headlight-lit vehicle passes. However, there is a problem that the visibility from the vehicle may be lowered. Conversely, if the light emitting body of the self-luminous gaze guidance device adopts a light emitting color that is easily visible in a bright place, the visibility from the vehicle may be low because the surroundings are dark when the vehicle is turned off. There was a problem.

そこで本発明は、ヘッドライト点灯車両からもヘッドライト消灯車両からも視認性のよい発光色の光を発光する自発光式視線誘導装置を提供するものである。   Accordingly, the present invention provides a self-luminous line-of-sight guidance device that emits light of a luminescent color that is highly visible from both headlight-lit vehicles and headlight-lit vehicles.

上記目的を達成するため、本発明は以下のような構成としている。
すなわち本発明に係る自発光式視線誘導装置は、少なくとも２色以上の発光体と車両のヘッドライト光を検知する検知手段を備え、前記検知手段によるヘッドライト光の検知によって検知したヘッドライトの方向へ発光している前記発光体の発光色をヘッドライト非光検知時の発光色から変更することを特徴としている。 In order to achieve the above object, the present invention is configured as follows.
That is, the self-luminous gaze guidance device according to the present invention includes at least two or more colors of light emitters and detection means for detecting vehicle headlight light, and the direction of the headlight detected by detection of headlight light by the detection means. The luminescent color of the luminescent material emitting light is changed from the luminescent color when the headlight is not detected.

本発明に係る自発光式視線誘導装置によれば、２色以上の発光体を備え、ヘッドライト光の検知によって検知したヘッドライト方向への発光色をヘッドライト非光検知時の発光色から変更するので、自発光式視線誘導装置が暗所にある場合に見やすい発光色の発光体と、自発光式視線誘導装置がヘッドライト光で照らし出されたような明所にある場合に見やすい発光色の発光体をそれぞれ発光させて、ヘッドライトを点灯、消灯しているどちらの車両からも高い視認性を得ることが出来る。   The self-luminous line-of-sight guidance device according to the present invention includes two or more color light emitters, and changes the emission color in the headlight direction detected by the detection of headlight light from the emission color at the time of non-detection of the headlight. Therefore, it is easy to see when the self-luminous gaze guidance device is in a dark place, and a luminescent color that is easy to see when the self-luminous gaze guidance device is in a bright place illuminated by headlight light. It is possible to obtain high visibility from any vehicle in which the light emitters are caused to emit light and the headlight is turned on or off.

また、発光体の周辺の壁部を明度の高い色調とすれば、ヘッドライト点灯車両からのヘッドライト光が壁部を照らした場合に、壁部がより明るくなり暗い周囲に対して視認しやすくなるので、自発光式視線誘導装置の視線誘導効果を高めることができ好ましい。また、発光体の周辺の壁部を明度の高い色調とすることで、ヘッドライト光が壁部を照らした場合に壁部がより明るくなるので、ヘッドライト消灯車両が通過する場合とヘッドライト点灯車両が通過する場合との発光体周辺の壁部の明るさの差が大きくなるため、明所で視認しやすい発光体と暗所で視認しやすい発光体をヘッドライトの点灯の検知の有無で発光を変更することによって高められる視認性の向上の効果をより大きくすることができ好ましい。   Also, if the wall around the illuminant has a high color tone, when the headlight light from the headlight-lit vehicle illuminates the wall, the wall becomes brighter and easier to see against the dark surroundings. Therefore, the gaze guidance effect of the self-luminous gaze guidance device can be enhanced, which is preferable. Also, by setting the color of the wall around the illuminant to a high color tone, when the headlight illuminates the wall, the wall becomes brighter. The difference in brightness of the wall around the illuminant when the vehicle passes is large, so the illuminant that is easy to see in a bright place and the illuminant that is easy to see in a dark place can be It is preferable because the effect of improving the visibility that is enhanced by changing the light emission can be further increased.

また、人間の目は、明るいところでは長波長の色が明るく、鮮やかに見えていたのに対して、暗くなってくると短波長の色が明るく鮮やかに見えるようになるプルキンエ現象と呼ばれる性質を持っている。このため、自発光式視線誘導装置の発光する発光体の色をヘッドライト検知時に赤色に変更すれば、壁部などがヘッドライト光に照らされ発光体の周囲が明るくなっている状況下で、発光体の発する長波長の赤色光は鮮やかに視認されるので、車両からの高い視認性を確保できるので好ましい。また車両については、前方に３００ｃｄ以上の輝度をもつ灯火の使用を法律で禁止されている。このため、自発光式視線誘導装置の発光体の周辺の壁部が赤いヘッドライト光で照らされることがないので、自発光式視線誘導装置の発光する発光体の色をヘッドライト検知時に赤色に変更すれば、明るく照らされた周囲の色に紛れることなく車両からの高い視認性を確保できるので好ましい。   In addition, human eyes have a property called the Purkinje phenomenon where long wavelength colors look bright and vivid when they are bright, whereas short wavelength colors appear bright and vivid when dark. have. For this reason, if the color of the illuminant that the self-luminous gaze guidance device emits light is changed to red when detecting the headlight, the wall or the like is illuminated by the headlight light and the surroundings of the illuminant are brightened. The long wavelength red light emitted from the light emitter is vividly viewed, which is preferable because high visibility from the vehicle can be secured. For vehicles, the use of lights with a luminance of 300 cd or more ahead is prohibited by law. For this reason, since the wall part around the illuminant of the self-luminous gaze guidance device is not illuminated with red headlight light, the color of the illuminant emitted by the self-luminous gaze guidance device is changed to red when the headlight is detected. If changed, it is preferable because high visibility from the vehicle can be secured without being distracted by the brightly illuminated surrounding color.

また前記壁部を、再帰反射性を有する反射体とすれば、ヘッドライト光を受けたときの反射光を光源であるヘッドライト点灯車両に向けて反射するので、ヘッドライト点灯車両からは壁部がより明るく視認され、自発光式視線誘導装置の視線誘導効果を高めることができ好ましい。また、前記壁部を蛍光色とすれば、壁部がヘッドライト光を受けた光を一旦吸収して再度光エネルギーとして放射するので、壁部からの反射光が蛍光色でない場合と比較してより強くなり、壁部がより明るく視認され、自発光式視線誘導装置の視線誘導効果を高めることができ好ましい。また前記のように、人間の目は暗所では短波長の色を鮮やかに見える性質を持つので、壁部の色調を青色、緑色、黄緑色などの蛍光色とすれば、壁部がより鮮やかに視認され、自発光式視線誘導装置の視線誘導効果を高めることができ好ましい。   Further, if the wall portion is a reflector having retroreflectivity, the reflected light when receiving the headlight light is reflected toward the headlight-lit vehicle that is the light source. Can be visually recognized more brightly, and it is preferable because the gaze guidance effect of the self-luminous gaze guidance device can be enhanced. In addition, if the wall portion is fluorescent, the wall portion once absorbs light that has received headlight light and radiates it again as light energy, so that the reflected light from the wall portion is not fluorescent color. This is preferable because it is stronger and the wall portion is visually recognized more brightly, and the gaze guidance effect of the self-luminous gaze guidance device can be enhanced. In addition, as described above, the human eye has the property that a short wavelength color can be seen vividly in a dark place. The self-luminous gaze guidance device can enhance the gaze guidance effect, which is preferable.

また前記のように、人間の目は暗所では短波長の色を鮮やかに見える性質を持つので、ヘッドライト非検知時に自発光式視線誘導装置の発光する発光体を緑色にすれば、ヘッドライト光などがなく、暗所で発光体の発する光のみが視認されるような状況下で、発光体の発する短波長の緑色光は暗所でより鮮やかに視認され、自発光式視線誘導装置の視線誘導効果を高めることができ好ましい。   In addition, as described above, the human eye has the property that a short wavelength color can be seen vividly in the dark, so if the light emitting body of the self-luminous gaze guidance device is turned green when the headlight is not detected, the headlight In a situation where there is no light and only the light emitted by the illuminant is visible in the dark, the short wavelength green light emitted by the illuminant is visible more vividly in the dark and the self-luminous gaze guidance device The line-of-sight induction effect can be enhanced, which is preferable.

また、緑色と赤色の発光体を近くで同時に発光させ離れた場所から見た場合、人間の目はそれぞれの発光体の光が混ざった橙色に視認される。このため、自発光式視線誘導装置が赤色と緑色の２色の発光体を備え、それぞれの色の発光体を互いに近くの場所に設置して同時に発光させることで、明所で鮮やかに視認される橙色を発光させることができる。この場合、２色の発光体を同時に発光させるので、発光される光の強さはそれぞれ１色の発光体のみを発光させた場合と比較して強くなるので、高い視認性を得ることができる。   In addition, when the green and red light emitters are simultaneously emitted close to each other and viewed from a distant place, the human eye is visually recognized as orange in which the light of each light emitter is mixed. For this reason, the self-luminous line-of-sight guidance device is provided with light emitters of two colors of red and green. Can emit orange light. In this case, since the two color light emitters emit light at the same time, the intensity of the emitted light is increased compared to the case where only one color light emitter is emitted, so that high visibility can be obtained. .

本発明に係る自発光式視線誘導装置によれば、ヘッドライト点灯車両からもヘッドライト消灯車両からも視認性のよい発光色の光を発光することができる。   According to the self-luminous line-of-sight guidance device according to the present invention, it is possible to emit light of a luminescent color with good visibility from both a headlight-lit vehicle and a headlight-lit vehicle.

本発明の実施の一形態を図面に基づき具体的に説明する。
図１は本発明に係る自発光式視線誘導装置の実施の一形態を示す三面図であり、図２は図１のＡ−Ａ断面図であり、図３は本発明に係る自発光式視線誘導装置の実施の一形態における発光パターンの一例を示す図であり、図４は本発明に係る自発光式視線誘導装置の実施の一形態における発光パターンの他の一例を示す図であり、図５は本発明に係る自発光式視線誘導装置の実施の他の一形態を示す三面図である。 An embodiment of the present invention will be specifically described with reference to the drawings.
FIG. 1 is a three-view diagram showing an embodiment of a self-luminous gaze guidance device according to the present invention, FIG. 2 is a cross-sectional view taken along line AA of FIG. 1, and FIG. 3 is a self-luminous gaze according to the present invention. FIG. 4 is a diagram showing an example of a light emission pattern in one embodiment of the guidance device, and FIG. 4 is a diagram showing another example of the light emission pattern in the embodiment of the self-luminous gaze guidance device according to the present invention. FIG. 5 is a trihedral view showing another embodiment of the self-luminous gaze guidance device according to the present invention.

図面において、１は発光体である。発光体１はそれぞれ発光色の異なる発光体１aと発光体１ｂを備えており、自発光式視線誘導装置に内装された基板に取り付けられている。発光体１は、発光ダイオード、ハロゲンランプ、メタルハライドランプ、陰極管、エレクトロルミネッセンス、キセノンランプ等が適宜使用されるが、一般には指向性が強く且つ高輝度の発光ダイオードが好適に使用される。   In the drawings, reference numeral 1 denotes a light emitter. The light emitting body 1 includes a light emitting body 1a and a light emitting body 1b having different light emission colors, and is attached to a substrate built in a self-luminous line-of-sight guidance device. As the light emitter 1, a light emitting diode, a halogen lamp, a metal halide lamp, a cathode tube, electroluminescence, a xenon lamp, or the like is appropriately used. In general, a light emitting diode having strong directivity and high luminance is preferably used.

２は発光部であり、３は壁部である。壁部３は円柱状の形状をした自発光式視線誘導装置の周壁であり、発光部２は自発光式視線誘導装置の前面にあたる壁部３に設けられた縦長の凹溝３５の底に設けられている。発光部２には、発光体１の光軸が自発光式視線誘導装置の前方水平方向に向かうように、発光体１ａと発光体１ｂが交互に上下の縦一列に配置されている。発光部２を壁部３に形成した凹溝３５の底に設け、発光体１の前端を凹溝３５の開口縁より奥に位置するように設けるので、自発光式視線誘導装置に車両などが接触しても、車両は壁部３に接触して凹溝３５の奥に位置する発光体１に接触しないので、発光体１の破壊などが起こりにくい。壁部３の材質は、凹溝３５を有する円筒状に押出成形したアルミニウム合金形材を用いているが、これに限らず鉄やステンレスなどの金属やポリエチレンやＡＢＳ樹脂、ＦＲＰ、ポリカーボネート樹脂、ＡＡＳ樹脂などの合成樹脂の成形品などを用いることができる。   2 is a light emission part, 3 is a wall part. The wall 3 is a peripheral wall of a self-luminous gaze guidance device having a cylindrical shape, and the light-emitting portion 2 is provided at the bottom of a vertically long concave groove 35 provided on the wall 3 corresponding to the front surface of the self-luminous gaze guidance device. It has been. In the light emitting unit 2, the light emitters 1 a and the light emitters 1 b are alternately arranged in a vertical row so that the optical axis of the light emitter 1 is directed in the front horizontal direction of the self-luminous gaze guidance device. Since the light emitting part 2 is provided at the bottom of the groove 35 formed in the wall part 3 and the front end of the light emitter 1 is provided behind the opening edge of the groove 35, a vehicle or the like is provided in the self-luminous gaze guidance device. Even if it contacts, since the vehicle does not contact the light emitter 1 located in the back of the groove 35 by contacting the wall portion 3, the light emitter 1 is not easily destroyed. The material of the wall 3 is an aluminum alloy shape extruded into a cylindrical shape having a concave groove 35, but is not limited to this, metal such as iron or stainless steel, polyethylene, ABS resin, FRP, polycarbonate resin, AAS A molded article of a synthetic resin such as a resin can be used.

壁部３の色調は、アルミニウムのシルバー色のままとしているが、凹溝３５に設けた発光部２には黒色の色調に塗装している。 Although the color tone of the wall 3 remains the aluminum silver color, the light emitting portion 2 provided in the concave groove 35 is painted in a black color tone.

４は太陽電池ユニットである。発光体１を発光させるための電源として本実施例では太陽電池ユニット４を用いており、山間部など電源が引き込みにくい場所への設置を可能としている。太陽電池ユニット４は水平方向に３６０度回動可能な回転部４１を備え、回転部４１で自発光式視線誘導装置の上面に取り付けられ、固定されている。回転部４１で太陽電池ユニット４の方向を水平方向に３６０度回動可能とすることで、自発光式視線誘導装置をどの方向に向けて設置しても太陽電池を南向きに設置することができる。また、本実施例では電源として太陽電池ユニット４を備えているが、商用電源を電源として利用できるようにしてもよいのは当然のことであり、商用電源の利用は自発光式視線誘導装置の設置場所が常に日陰になるなど太陽光による発電が十分に見込めない状況で特に有効である。   4 is a solar cell unit. In the present embodiment, the solar cell unit 4 is used as a power source for causing the light emitter 1 to emit light, and it can be installed in a place such as a mountainous region where the power source is difficult to draw. The solar cell unit 4 includes a rotating portion 41 that can be rotated 360 degrees in the horizontal direction, and is attached and fixed to the upper surface of the self-luminous gaze guidance device by the rotating portion 41. By enabling the rotating unit 41 to turn the direction of the solar cell unit 4 360 degrees in the horizontal direction, the solar cell can be installed facing south regardless of the direction in which the self-luminous gaze guidance device is installed. it can. Moreover, although the solar cell unit 4 is provided as a power source in this embodiment, it is a matter of course that a commercial power source may be used as the power source, and the commercial power source is used for the self-luminous gaze guidance device. This is particularly effective in situations where solar power generation is not fully expected, such as where the installation location is always in the shade.

５は光センサーである。光センサー５は発光部２の上部にそれぞれ取り付けられ、横方向から入射する光の変化を感知することで、ヘッドライトを点灯した車両の接近を感知するよう設けられている。   Reference numeral 5 denotes an optical sensor. The optical sensors 5 are respectively attached to the upper part of the light emitting unit 2 and are provided so as to detect the approach of the vehicle whose headlight is turned on by detecting a change in light incident from the lateral direction.

６は蓄電部であり、自発光式視線誘導装置の中に内装されている。蓄電部６は、太陽電池ユニット４が昼間生起する電力を蓄え、発光体１の発光のための電力を供給する。   Reference numeral 6 denotes a power storage unit, which is housed in a self-luminous gaze guidance device. The power storage unit 6 stores electric power generated by the solar cell unit 4 during the day and supplies electric power for light emission of the light emitter 1.

７は制御部であり、自発光式視線誘導装置の中に内装されている。制御部７は、発光体１の点灯と消灯を適宜制御し、発光体１が昼夜、または夜間のみ点灯または点滅するようになされている。   Reference numeral 7 denotes a control unit, which is built in the self-luminous gaze guidance device. The control unit 7 appropriately controls lighting and extinguishing of the light emitter 1 so that the light emitter 1 is lit or blinked only day or night or at night.

発光部２の色調は、暗い色調とすることで発光する発光体１その周囲の発光部２との間にコントラストを生じ、周りが明るい状態でも発光体１の発光を視認することが容易となる。本実施形態では、発光部２の色に黒色を用いているが、これに限るものではなく、濃い灰色、濃い茶色、濃い青色など暗い色調のものを好適に用いることができる。   The light-emitting unit 2 has a dark color tone, so that a contrast is generated between the light-emitting body 1 that emits light and the surrounding light-emitting section 2, and it is easy to visually recognize the light emission of the light-emitting body 1 even when the surroundings are bright. . In the present embodiment, black is used as the color of the light emitting unit 2, but the color is not limited to this, and a dark color such as dark gray, dark brown, or dark blue can be suitably used.

壁部３の色調は明るい色調とすることで、ヘッドライト点灯車両からのヘッドライト光が壁部を照らした場合に、壁部がより明るくなり暗い周囲に対して視認しやすくなるので、自発光式視線誘導装置の視線誘導効果を高めることができる。本実施形態では壁部３の色にアルミニウムのシルバー色をそのまま用いているが、これに限るものではなく、白色、薄い黄色、薄い緑色など、淡色系の色調のものなどを好適に用いることができる。   By making the color of the wall portion 3 bright, the headlight light from the headlight-lit vehicle illuminates the wall portion, which makes the wall portion brighter and easier to see against the dark surroundings. The line-of-sight guidance effect of the type of line-of-sight guidance apparatus can be enhanced. In this embodiment, the silver color of aluminum is used as it is for the color of the wall portion 3, but the present invention is not limited to this, and it is preferable to use a light color tone such as white, light yellow, and light green. it can.

本実施形態では発光部２と光センサー５を自発光式視線誘導装置の前面にのみ設けているが、これを前面と背面の両方に設けることで、中央分離帯などへ設置して対向する車両に１体の自発光式視線誘導装置でそれぞれ対応することが可能である。   In this embodiment, the light emitting unit 2 and the optical sensor 5 are provided only on the front surface of the self-luminous line-of-sight guidance device. It is possible to cope with each by one self-luminous gaze guidance device.

図３は本発明に係る自発光式視線誘導装置の実施の一形態における発光パターンの一例を示す図である。発光色が異なる発光体１ａと発光体１ｂが交互に縦一列に配置されている。光センサー５が車両からのヘッドライト光を検知していないときは、（イ）に示す如く、発光体１ｂ全てが消灯し、発光体１ａ全てが同じタイミングで点滅する発光パターンで発光している。光センサー５が車両からのヘッドライト光を検知したときは、（ロ）に示す如く、発光体１ａ全てが消灯し、発光体１ｂ全てが同じタイミングで点滅する発光パターンに切り替わって発光する。このとき、発光体１ｂが点滅する周期は、（イ）において発光体１ａが点滅する周期と同じである。本実施形態では発光体１ａと発光体１ｂが点滅する周期について、（イ）と（ロ）において同じにしているが、これに限るものではなく異なってもよい。   FIG. 3 is a diagram showing an example of a light emission pattern in one embodiment of the self-luminous gaze guidance device according to the present invention. Light emitters 1a and light emitters 1b having different emission colors are alternately arranged in a vertical row. When the light sensor 5 does not detect the headlight light from the vehicle, as shown in (a), all the light emitters 1b are turned off and all the light emitters 1a emit light with a light emission pattern that blinks at the same timing. . When the light sensor 5 detects headlight light from the vehicle, as shown in (b), all the light emitters 1a are turned off, and all the light emitters 1b are switched to a light emission pattern that flashes at the same timing to emit light. At this time, the cycle in which the light emitter 1b blinks is the same as the cycle in which the light emitter 1a blinks in (A). In the present embodiment, the period in which the light emitter 1a and the light emitter 1b blink is the same in (a) and (b), but is not limited to this and may be different.

本実施形態では、縦長の発光部２に縦一列に配置された発光体１が点滅して発光するので、発光部２からの光は上下方向に広がりを持つものとなる。このため、複数の自発光式誘導装置を道路の側方に沿って連続して設置すれば、光の広がりは遠近に応じてその上下方向の長さが異なって見えるので、道路利用者に遠近感を感じさせて視線誘導効果を高めることができる。   In the present embodiment, since the light emitters 1 arranged in a vertical row on the vertically long light emitting unit 2 blink and emit light, the light from the light emitting unit 2 spreads in the vertical direction. For this reason, if multiple self-luminous guidance devices are installed continuously along the side of the road, the light spread will appear different in length in the vertical direction according to the distance. It is possible to enhance the gaze guidance effect by feeling a feeling.

図４は本発明に係る自発光式視線誘導装置の実施の一形態における発光パターンの他の一例を示す図である。ヘッドライト光を検知していないときは（イ）に示す如く、発光体１ｂ全てが消灯し、発光体１ｂを間にして隣り合う二個一組の発光体１ａを上部から下方向へと流れるように順次発光させてゆく。発光する発光体１ａが下部まで到達したら、逆に上方向へ流れるように発光させてゆき、上部まで達した後、最初から繰り返す。ヘッドライト光を検知したときには（ロ）に示す如く、発光体１ａ全てが消灯し、発光体１ａを間にして隣り合う二個一組の発光体１ｂを上部から下方向へと流れるように順次発光させてゆく。発光する発光体１ｂが下部まで到達したら、逆に上方向へ流れるように発光させてゆき、上部まで達した後、最初から繰り返すのは、（イ）における発光体１ａの発光パターンと同様である。また、発光体１ｂの発光部分が流れる速度は、（イ）において発光体１ａの発光部分が流れる速度と同じである。このように、発光体１の一部を流れるように発光させることで、単純に同位置の発光体が点滅するような発光パターンと比較して、運転手の注意を引きつけやすく、高い視線誘導効果を得ることが出来る。本実施形態では、（イ）（ロ）において発光する発光体１ａおよび発光体１ｂを二個一組で発光させているが、一個だけでもよく、三個以上を一組としてもよい。また、（イ）（ロ）において発光体１ａおよび発光体１ｂの発光部分の流れる速度は、本実施形態では同じ速度としているが、これに限るものではなく異なっていてもよい。   FIG. 4 is a diagram showing another example of the light emission pattern in the embodiment of the self-luminous gaze guidance device according to the present invention. When headlight light is not detected, as shown in (a), all the light emitters 1b are extinguished and flow through a pair of adjacent light emitters 1a with the light emitters 1b in between. The light is emitted sequentially. When the luminous body 1a that emits light reaches the lower part, light is emitted so as to flow upward, and after reaching the upper part, the process is repeated from the beginning. When headlight light is detected, as shown in (b), all the light emitters 1a are extinguished, and a pair of adjacent light emitters 1b with the light emitters 1a interposed therebetween flow sequentially from the top to the bottom. Let it emit light. When the luminous body 1b that emits light reaches the lower part, it is made to emit light so that it flows upward, and after reaching the upper part, it is the same as the light emission pattern of the luminous body 1a in (a). . The speed at which the light emitting part of the light emitter 1b flows is the same as the speed at which the light emitting part of the light emitter 1a flows in (a). In this way, by emitting light so as to flow through a part of the light emitter 1, it is easier to attract the driver's attention than a light emission pattern in which the light emitter at the same position flashes, and a high line-of-sight effect. Can be obtained. In the present embodiment, the light emitters 1a and 1b that emit light in (i) and (b) are caused to emit light in pairs, but only one may be used, or three or more may be combined. Further, in (a) and (b), the flow speeds of the light emitting portions of the light emitter 1a and the light emitter 1b are the same in this embodiment, but are not limited to this and may be different.

発光体１ａの発光色を暗所で視認しやすい色とし、発光体１ｂを明所で視認しやすい色とすれば、ヘッドライト光の検知に応じて発光パターンを（イ）（ロ）に切り替えることで、ヘッドライトを点灯している車両と消灯している車両それぞれに対して視認しやすい発光色の光を発光することができる。ここでいう暗所で視認しやすい色とは、光の波長が短波長の色であり、青色や緑色などが挙げられる。また、明所で視認しやすい色とは光の波長が長波長の色であり、赤色や橙色、黄色などが挙げられる。   If the emission color of the illuminant 1a is a color that is easily visible in a dark place and the illuminant 1b is a color that is easily visible in a bright place, the light emission pattern is switched to (b) or (b) according to the detection of headlight light. Thus, it is possible to emit light of an emission color that is easy to visually recognize for each of the vehicle in which the headlight is turned on and the vehicle in which the headlight is turned off. The color that is easily visible in the dark here is a color having a short wavelength of light, and examples thereof include blue and green. In addition, the color that is easily visible in a bright place is a color having a long wavelength of light, and examples thereof include red, orange, and yellow.

発光パターンを（イ）から（ロ）へ切り替え、再度（イ）へ切り替えるタイミングは、センサー５によるヘッドライト光の検知状態と非検知状態に応じて直ちに切り替えれば、ヘッドライトを点灯している車両と消灯している車両が混在して走行している場合にそれぞれの車両に対して適切な発光色を発光させることができる。ただし、発光パターンの切り替えのタイミングはこれに限るものではなく、ヘッドライト光の検知状態と非検知状態とが変化してから発光パターンを切り替えるタイミングをタイマーなどで遅延させてもよい。   The vehicle in which the headlights are turned on if the timing of switching the light emission pattern from (a) to (b) and switching to (a) again is switched immediately according to the detection state and non-detection state of the headlight light by the sensor 5. When the vehicles that are turned off are running together, it is possible to cause each vehicle to emit an appropriate emission color. However, the timing of switching the light emission pattern is not limited to this, and the timing of switching the light emission pattern after the headlight light detection state and the non-detection state change may be delayed by a timer or the like.

図５は、本発明に係る自発光式視線誘導装置の実施の他の一形態を示す三面図である。本実施形態では、自発光式視線誘導装置の前面に縦長に設けた発光部２に、光軸を自発光式視線誘導装置の前方水平方向に向けた発光体１ａと発光体１ｂを交互に間隔をおいて上下方向に縦一列に配置した発光体群１１を、発光体１ａと発光体１ｂの間隔よりも大きな間隔をあけて縦一列に配置している。発光体群１１の配置の間隔を、発光体１ａと発光体１ｂの配置の間隔より大きくすることで、発光部２からの光に上下方向に広がりを持たせる機能を、より少ない数の発光体で奏することができる。   FIG. 5 is a trihedral view showing another embodiment of the self-luminous gaze guidance device according to the present invention. In the present embodiment, the light emitter 1a and the light emitter 1b whose optical axes are oriented in the front horizontal direction of the self-light-emitting gaze guidance device are alternately spaced on the light-emitting portion 2 provided vertically in front of the self-light-gaze gaze guidance device. The light-emitting body groups 11 arranged vertically in a row with respect to each other are arranged in a vertical line with an interval larger than the interval between the light-emitting bodies 1a and 1b. By setting the interval between the light emitter groups 11 to be larger than the interval between the light emitters 1a and 1b, the function of extending the light from the light emitting unit 2 in the vertical direction is reduced. Can be played.

また、本実施形態の自発光式視線誘導装置は、前面と背面にそれぞれ前壁部３３と後壁部３４を有し、両側面に側壁部３１を有し、前壁部３３、後壁部３４、側壁部３１のそれぞれの間に斜壁部３２を有する八角柱状の形状をしている。前壁部３３には長手方向に凹溝３５が形成され、発光部２はこの凹溝３５の底に設けられている。
斜壁部３２には、発光体１の配置された範囲よりも縦に長い大きさで、再帰反射性を有する反射材８が取り付けられている。４つの斜壁部３２全てに反射材８を取り付けることで、自発光式視線誘導装置を設置した場所の周囲のどの方向から照射された光に対しても、斜壁部３２に取り付けたいずれかの反射材８がその入射方向に向けて反射光を再帰反射させるので、自発光式視線誘導装置の視認性が向上し、高い視線誘導効果を得ることができる。また、反射体８を前壁部３３に対して傾斜している斜壁部３２に取り付けるので、自発光式視線誘導装置の前壁部３３の正面からヘッドライト光が照射されると、反射体８は光源から斜め方向に光を受けて再帰反射させるため、反射される再帰反射光が弱められるので、ヘッドライト光の光源である車両側から見た際にＬＥＤの発光色が強い再帰反射光にまぎれることがなく視認しやすくなる。また、自発光式視線誘導装置の前壁部３３に隣接する斜壁部３２の正面からヘッドライト光が照射されると、ヘッドライト光の光源である車両が発光体１の光軸からずれるので、車両から発光体１の光が見えにくくなるが、反射体８が正面から光を受けて強い反射光を光源方向に向けて再帰反射させるので、車両から反射体８の再帰反射光を視認でき、自発光式視線誘導装置の視認性が向上する。 In addition, the self-luminous line-of-sight guidance device of the present embodiment has a front wall portion 33 and a rear wall portion 34 on the front surface and the back surface, respectively, has side wall portions 31 on both side surfaces, and has a front wall portion 33 and a rear wall portion. 34 and an octagonal columnar shape having a slanted wall portion 32 between the side wall portions 31. A concave groove 35 is formed in the front wall portion 33 in the longitudinal direction, and the light emitting portion 2 is provided at the bottom of the concave groove 35.
A reflective material 8 having a retroreflectivity having a size that is longer than the range in which the light emitter 1 is disposed is attached to the inclined wall portion 32. By attaching the reflecting material 8 to all four slant wall portions 32, any one of the light beams emitted from any direction around the place where the self-luminous gaze guidance device is installed is attached to the slant wall portion 32. Since the reflective material 8 retroreflects the reflected light toward the incident direction, the visibility of the self-luminous gaze guidance device is improved and a high gaze guidance effect can be obtained. In addition, since the reflector 8 is attached to the inclined wall portion 32 that is inclined with respect to the front wall portion 33, when headlight light is irradiated from the front surface of the front wall portion 33 of the self-luminous gaze guidance device, the reflector No. 8 receives light from the light source in an oblique direction and retroreflects it, so that the retroreflected light reflected is weakened. Therefore, the retroreflected light whose LED emission color is strong when viewed from the vehicle side that is the light source of the headlight light. It is easy to see without being overwhelmed. In addition, when headlight light is irradiated from the front of the inclined wall portion 32 adjacent to the front wall portion 33 of the self-luminous gaze guidance device, the vehicle that is the light source of the headlight light is displaced from the optical axis of the light emitter 1. The light of the light emitter 1 becomes difficult to see from the vehicle, but the reflector 8 receives the light from the front and retroreflects the strong reflected light toward the light source, so that the retroreflected light of the reflector 8 can be visually recognized from the vehicle. The visibility of the self-luminous gaze guidance device is improved.

また本実施形態では、反射体８の色調として黄緑色の蛍光色を用いている。反射体８の色調を蛍光色とすることで、ヘッドライト光を受けて再帰反射させるだけでなく、受けた光を一旦吸収して再度光エネルギーとして放射するので、ヘッドライト光を放射する車両に対してより強い光を反射させることができる。また、人間の目は暗所では短波長の色を鮮やかに見える性質を持つので、反射体８の色調を黄緑色の蛍光色とすることで、黄色や赤色の色調の反射体を用いるときなどと比較してより鮮やかに視認させることができる。また、反射体８の色調は蛍光色の黄緑色に限るものではなく、緑色や青色など暗所で視認しやすい他の短波長の色でも同様の効果を得ることができる。   In this embodiment, yellow-green fluorescent color is used as the color tone of the reflector 8. By making the color of the reflector 8 a fluorescent color, not only the headlight light is received and retroreflected, but also the received light is once absorbed and emitted again as light energy. In contrast, stronger light can be reflected. In addition, since the human eye has the property that a short wavelength color can be seen vividly in a dark place, the reflector 8 has a yellow-green fluorescent color, for example, when a reflector having a yellow or red tone is used. It can be visually recognized more vividly than Further, the color tone of the reflector 8 is not limited to the yellowish green fluorescent color, and the same effect can be obtained with other short-wavelength colors that are easily visible in a dark place such as green and blue.

また、本実施形態では、発光体１ａに緑色の発光色のＬＥＤを用い、発光体１ｂに赤色のＬＥＤを用いている、そして夜間にセンサー５がヘッドライト光を検知していないときは発光体１ａを発光させ、ヘッドライト光を検知したときは発光体１ｂを発光させる。夜間にヘッドライト光などの光が検知されないときは、暗い中で発光体１ａの光が視認されるので、発光体１ａを暗所で鮮やかに見える短波長の発光色である緑色とすることで高い視認性を得ることができる。また、夜間にヘッドライト光が検知されるときは、反射体８がヘッドライト光を再帰反射させており、車両からは再帰反射光で周囲が明るくなっている中で発光体１ｂの光が視認されるので、発光体１ｂを暗所で鮮やかに見える長波長の発光色である赤色とすることで高い視認性を得ることができる。   Further, in the present embodiment, a green light emitting LED is used for the light emitter 1a, a red LED is used for the light emitter 1b, and the light emitter when the sensor 5 does not detect headlight light at night. When the headlight is detected, the light emitter 1b is caused to emit light. When light such as headlight light is not detected at night, the light of the light emitter 1a is visually recognized in the dark. Therefore, the light emitter 1a is made green, which is a short wavelength light emission color that looks vivid in a dark place. High visibility can be obtained. Further, when headlight light is detected at night, the reflector 8 retroreflects the headlight light, and the light of the light emitter 1b is visually recognized from the vehicle while the surroundings are brightened by the retroreflected light. Therefore, high visibility can be obtained by making the light-emitting body 1b red, which is a long-wavelength emission color that looks vivid in a dark place.

また本実施形態では、昼間には発光体１ａの緑色光と発光体１ｂの赤色光を同時に発光させている。２種類の発光体を同時に発光させるので、１種類のみの発光体を発光させるときと比較して発光する発光体の数が多くなり、発する光の強さが大きくなるため、明るい昼間でも視認しやすくなる。また、発光体１ａから緑色光を発光させ、発光体１ｂから赤色光を発光させるので、離れた位置から見ると発光色が赤と緑が混ざった橙色に見える。橙色は明所で鮮やかに見える短波長の色調なので、昼間に橙色を発光させることで、高い視認性を得ることができる。   In the present embodiment, the green light of the light emitter 1a and the red light of the light emitter 1b are simultaneously emitted during the daytime. Since two types of light emitters emit light at the same time, the number of light emitters that emit light increases compared to when only one type of light emitter emits light, and the intensity of the emitted light increases. It becomes easy. Further, since green light is emitted from the light emitter 1a and red light is emitted from the light emitter 1b, the light emission color appears to be orange with a mixture of red and green when viewed from a distance. Since orange is a short-wave color tone that looks vivid in a bright place, high visibility can be obtained by emitting orange in the daytime.

また、本実施形態の自発光式視線誘導装置は、平面視からの形状が略八角形となる外形の発光部２が設けられた前面に対して、両側の側面にあたる側壁部３２に保護カバー９が取り付けられている。保護カバー９を側壁部３２に取り付けることで、自発光式視線誘導装置の側面から車両などが接触した際に衝撃などが緩和されるので、自発光式視線誘導装置と車両の破壊、故障などが抑制され好ましい。保護カバー９の材質は、ゴムや合成ゴム等のエラストマーを用いることができる。   In addition, the self-luminous line-of-sight guidance device of the present embodiment has a protective cover 9 on the side wall portions 32 corresponding to the side surfaces on both sides with respect to the front surface provided with the light emitting portion 2 having an outer shape that is substantially octagonal in plan view. Is attached. By attaching the protective cover 9 to the side wall portion 32, impact and the like are alleviated when a vehicle or the like comes in contact with the side surface of the self-luminous line-of-sight guidance device. Suppressed and preferred. The material of the protective cover 9 can be an elastomer such as rubber or synthetic rubber.

本発明に係る自発光式視線誘導装置の実施の一形態を示す三面図である。It is a three-view figure which shows one Embodiment of the self-light-emitting type | mold line-of-sight guidance apparatus which concerns on this invention. 図１のＡ−Ａ断面図である。It is AA sectional drawing of FIG. 本発明に係る自発光式視線誘導装置の実施の一形態における発光パターンの一例を示す図である。It is a figure which shows an example of the light emission pattern in one Embodiment of the self-light-emitting type | mold gaze guidance device which concerns on this invention. 本発明に係る自発光式視線誘導装置の実施の一形態における発光パターンの他の一例を示す図である。It is a figure which shows another example of the light emission pattern in one Embodiment of the self-light-emitting type | mold line-of-sight guidance apparatus which concerns on this invention. 本発明に係る自発光式視線誘導装置の実施の他の一形態を示す三面図である。It is a three-view figure which shows another form of implementation of the self-light-emitting gaze guidance device which concerns on this invention.

符号の説明Explanation of symbols

１、１ａ、１ｂ 発光体
２ 発光部
３ 壁部
３１ 側壁部
３２ 斜壁部
３３ 前壁部
３４ 後壁部
３５ 凹溝
４ 太陽電池ユニット
４１ 回転部
５ 光センサー
６ 蓄電部
７ 制御部
８ 反射材
９ 保護カバー DESCRIPTION OF SYMBOLS 1, 1a, 1b Light-emitting body 2 Light-emitting part 3 Wall part 31 Side wall part 32 Slanted wall part 33 Front wall part 34 Back wall part 35 Groove 4 Solar cell unit 41 Rotating part 5 Optical sensor 6 Power storage part 7 Control part 8 Reflective material 9 Protective cover

Claims (3)

少なくとも２色以上の発光体と車両のヘッドライト光を検知する検知手段を備え、前記検知手段によるヘッドライト光の検知によって検知したヘッドライトの方向へ発光している前記発光体の発光色をヘッドライト非光検知時の発光色から変更することを特徴とする自発光式視線誘導装置。   A light emitting body of at least two colors and a detecting means for detecting headlight light of the vehicle, wherein the light emitting color of the light emitting body that emits light in the direction of the headlight detected by the detection of the headlight light by the detecting means; A self-luminous line-of-sight guidance device, wherein the light emission color is changed from that at the time of non-light detection. 前記発光体のうち少なくとも１色が赤色であり、前記発光体の周辺の壁部を明度の高い色調とし、前記ヘッドライト光の検知手段によるヘッドライト光検知によって、発光する発光体の色をヘッドライト非光検知時の発光色から赤色の発光色に変更することを特徴とする請求項１に記載の自発光式視線誘導装置。   At least one of the light emitters is red, the wall around the light emitter has a high color tone, and the color of the light emitter that emits light is detected by headlight detection by the headlight detection means. 2. The self-luminous line-of-sight guidance device according to claim 1, wherein the light emission color at the time of light non-light detection is changed to a red light emission color. 前記壁部が再帰反射性を有する蛍光色の反射体であり、前記発光体が少なくとも赤色と緑色の２色を備え、ヘッドライト非検知時には緑色の発光体が発光し、ヘッドライト検知時に赤色の発光体が発光することを特徴とする請求項１または２に記載の自発光式視線誘導装置。   The wall portion is a fluorescent reflector having retroreflectivity, and the light emitter has at least two colors of red and green. When the headlight is not detected, the green light emitter emits light, and when the headlight is detected, red light is emitted. The self-luminous gaze guidance device according to claim 1, wherein the illuminant emits light.
JP2008086024A 2008-03-28 2008-03-28 Light-emitting visual guidance device Pending JP2009235860A (en)

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