JPH08218330A - Sight-line guide lamp in covered passageway - Google Patents

Abstract

PURPOSE: To guide a car and a ship safely into a covered passageway by visually recognizing a travel way, a water channel, etc., passing in a tunnel, etc., or passing under the girder of a bridge, an elevated road, a railway guard, etc., and the entrance port of the covered passageway, in which a periphery is surrounded by a structure, distinctly. CONSTITUTION: A light-emitting means 1 installed along the entrance port G of a covered passageway L, in which a periphery is surrounded by a structure, and linealy light-emitting, and a light source means 2 guiding light to the light- emitting means 1 and generating light-emitting or flickering of the light-emitting means 1 are provided. The line shape of the entrance port is easy to be discriminated clearly because the linearly light-emitting or flickering light-emitting means 1 is mounted along the port of the covered passageway L, and the calmness of peripheral residences, etc., is not disturbed, because only sections near the entrance port are light-emitted or flashed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention makes clear the entrance of a passage through a passage, which is surrounded by structures, such as tunnels, roads and waterways that pass under girders such as bridges, elevated roads, and railway guards. The present invention relates to a line-of-sight guidance light in a passage through which a vehicle or a ship can be safely guided into the passage through which the passage can be made visible.

[0002]

2. Description of the Related Art Conventionally, at night, during snowfall, in heavy fog, etc., for example, the entrance of a tunnel is difficult for the driver of a vehicle or the like to understand, so that the driver of the vehicle is psychologically pressed and It slowed down in front of the entrance and was a cause of a rear-end collision and traffic stagnation. Therefore, in order to guide the vehicle safely inside the tunnel, all the lights inside the tunnel are illuminated to make the inside of the tunnel brighter so that the entrance of the tunnel is easier to understand, and external lighting illuminates the entrance of the tunnel. And so on.

Further, also in a roadway or a waterway which passes under a girder such as a bridge, an elevated road, or a railroad guard, the entrance of the vehicle or the driver of the ship can be known at night, during a snowfall, a fog, etc. It is difficult, but there are places where it is difficult to install illuminating lights due to structural reasons such as the width of roads and waterways below the girder are generally narrow and the height is low. The only way to draw attention is to paint yellow and black zebra patterns.

[0004]

However, even if all the lights in the tunnel are lit, there is a limit to the number of luminaires that can be installed, so this is not an effective method, and external lighting must be provided. There is a limit to how bright it can be, because if it is illuminated brightly, it may disturb the peace of the surrounding houses, especially at night, and adversely affect it. Also bridges and elevated roads,
Even on roads and waterways that pass under girders such as railroad guards, these undergirths are generally dim even during the daytime, so even if you paint a yellow and black zebra pattern, it is inferior in visibility and calls attention. It wasn't enough.

Therefore, the present invention solves the above problems,
Especially at night, during snowfall, in thick fog, etc., make it easy to understand the entrance of the passage through which the surroundings are surrounded by structures, safely guide the vehicle etc. into the passage through the passage, and also to the surrounding houses etc. The aim is to provide a line-of-sight guidance light in the pass-through passage that does not disturb the peace of the night.

[0006]

In order to achieve the above object, the present invention has the following constitution. That is, the line-of-sight guidance light in the pass-through passage according to the present invention is used to enter a pass-through passage surrounded by structures such as tunnels, or roads and waterways that pass under girders such as bridges, elevated roads, and railway guards. It is characterized in that it is provided with a light emitting means which is attached along the mouth and emits light in a linear shape, and a light source means which guides the light emitting means to emit or blink the light emitting means.

As the light source means, a halogen lamp, a metal halogen lamp, a xenon lamp, a high-intensity discharge lamp or a light emitting diode is generally used, but the light source means is not particularly limited. Further, the power source device for making these light source means emit light may be a solar cell or a commercial power source. When the passage through the passage is a tunnel, the light source means may be provided inside the tunnel or outside the tunnel. When it is provided outside the tunnel, it is preferably housed in a light source box so that light from the light source means does not leak to surrounding houses and the like.

The light emitting means is attached along the entrance of the passage through the passage, that is, along the entrance of a tunnel or the like, or the entrance under a girder of a bridge, an elevated road, a railway guard, or the like. The type is not particularly limited as long as it is linearly emitted by emitting the light guided from the light source means.
It is preferable that the elongated tube-shaped light-emitting body is housed in the flexible tube and has a core having a higher refractive index than the flexible tube. Compared with other LED and other light emitters, this tubular light emitter does not require electrical wiring, so it has excellent water resistance, is easy to maintain, and has a light output that does not emit from the outer peripheral surface. The light incident on one end of the core from the light source means is reflected by the boundary surface between the flexible tube and the core, and by repeating this reflection, part of the light is emitted from the outer peripheral surface while being transmitted to the other end of the core. By doing so, the light is emitted in a uniform line,
Moreover, since the tube-shaped light emitter can be made thicker (outer diameter is about 5 to 20 mm) incomparable to the optical fiber, a large amount of light is made incident and the light emitted from the outer peripheral surface is increased. Therefore, the emission brightness can be increased. Furthermore, since this tubular luminous body can be easily bent along the entrance of the passage through which it passes,
It is easy to attach and the emission color can be changed by using a color filter.

It is preferable that the flexible tube is made of a translucent material so that the incident light is emitted from the outer peripheral surface, since the light is emitted from the entire outer peripheral surface. However, the flexible tube is made of a light shielding material. , Partially forming a light leak part,
Alternatively, the outer peripheral surface of the flexible tube made of a light-transmitting material is covered with a light-shielding material, and the light-shielding material is partially cut out to form a light leakage portion so that the light is emitted in a dot line shape. Alternatively, a part of the flexible tube made of a light-transmitting material may be covered with a light-shielding material along the longitudinal direction so that light is not emitted from the entire outer peripheral surface and faces a driver of a vehicle or ship. It may be so arranged that the light is emitted only to the side to be operated.

The boundary surface where the core and the flexible tube are in contact with each other, that is, the inner wall surface of the flexible tube may be smooth, but if fine irregularities are formed, the incident light is irregular due to the fine irregularities. This is preferable because a large amount of light is reflected and emitted from the outer peripheral surface.

The material forming the flexible tube is not particularly limited as long as it is flexible and can be formed into a tube shape and has a low refractive index. Synthetic resins such as polyethylene, polypropylene, polyvinyl chloride, polyamide, polystyrene-butadiene copolymer, butyl rubber, EPDM, acrylonitrile-butadiene copolymer, fluororubber, silicone rubber, etc. are used, and silicone having a particularly low refractive index is used. Polymers and fluoropolymers are preferably used, and these materials may be used alone or in combination of two or more kinds, and may be a single layer or multiple layers.

The core is not particularly limited as long as it has a higher refractive index and a light transmitting property than the flexible tube, and a viscous liquid state, a solid state or a gel state is usually used. . Examples of the viscous liquid or gel core include polyols such as polyethylene oxide, polypropylene oxide and glycerin, polyol esters, polyol ethers, phosphoric acid esters such as chloroethyl phosphate, dichloropropyl phosphate, liquid paraffin and fluoro oil. , Silicone oil, polyisobutylene, polysiloxane-modified polyether, an aqueous solution of an inorganic salt, a polymer solution obtained by diluting a polymer with a suitable solvent, and the like, and a solid core such as polymethylmethacrylate.

When the core is in the form of a viscous liquid or gel, both ends of the flexible tube are made of a translucent material such as glass or quartz so as not to leak from the flexible tube. It is preferable that the solid core is accommodated in the flexible tube by inserting a monomer of synthetic resin into the flexible tube and polymerizing it in a properly shaped state. A preferable example of such a tubular luminous body is Ray Duck Light manufactured by Bridgestone Corporation.

The light emitting means composed of the tube-shaped light emitting body as described above may be mounted as it is, but when the tube-shaped light emitting body is inserted and mounted in the transparent long protective tube, the tube-shaped light emitting body is mounted. Since it is not exposed to the outside and is protected by a transparent long protective tube, damage is prevented. The transparent long protective tube is not particularly limited in its cross-sectional shape as long as it has an insertion hole into which the tubular light-emitting body is inserted in the longitudinal direction, and may be divided into a plurality of pieces in the longitudinal direction. Good. The transparent long protective tube is generally formed of a hard material made of transparent resin such as colorless or colored light, synthetic resin such as polycarbonate or acrylic resin.
Also, by covering a part of the transparent long protective tube with a light-shielding material, the light passing through the transparent long protective tube from the tubular light-emitting body is transmitted in a dot line shape, or the driver of a vehicle or a ship. You may make it permeate | transmit only to the side which opposes.

[0015]

According to the line-of-sight guidance light in the pass-through passage according to the present invention, along the entrance of the pass-through passage,
Since the light emitting means that emits light and blinks linearly is attached,
Especially at night, during snowfall, in thick fog, etc., the straight line of the entrance of the pass-through passage becomes clear and easy to understand, it is possible to safely guide vehicles and ships into the pass-through passage, and enter the pass-through passage again. Only the mouth area emits light and blinks, so the peace of the surrounding houses is not disturbed. Further, since the light emitting means emits light by emitting the light guided from the light source means, it does not require electric wiring, and therefore has excellent water resistance even if it gets wet with rain or water in a waterway.
Moreover, maintenance is easy.

[0016]

Embodiments of the present invention will now be specifically described with reference to the drawings. 1 and 2, FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a sectional view showing an embodiment of a light emitting means.

In FIGS. 1 and 2, reference numeral 1 denotes a tunnel or the like, or a passageway or a waterway that passes under a girder such as a bridge, an elevated road, a railway guard, etc. Is a light emitting means which is attached to the light emitting means 1, and 2 is a light source means for guiding the light emitting means 1 to cause the light emitting means 1 to emit light or blink. As the light emitting means 1, a suitable tubular light emitting body 1a is used in this embodiment.
That is, as shown in FIG. 2, the tube-shaped luminous body 1a is a viscous liquid-like substance in a flexible tube 11 having a two-layer outer diameter of 16 mm and made of a translucent fluororesin and a translucent polyvinyl chloride. The core 12 is housed and both ends are closed with the sealing material 13 made of quartz glass. In the present embodiment, the tube-shaped light emitting body 1a is used as it is by being exposed to the appearance, but the tube-shaped light emitting body 1a is used.
May be used by being inserted into a transparent long protective tube such as a translucent polycarbonate. And the light source means 2
21 from the one end or both ends of the core 12
Is reflected by the boundary surface between the flexible tube 11 and the core 12, and the incident light 21 is reflected by the core 1 by repeating this reflection.
A part of the light is emitted from the outer peripheral surface while being transmitted to the other end of 2, so that the light is uniformly emitted linearly.

Reference numeral 22 denotes a light source box. Inside the light source box 22, there are provided a halogen lamp, a high-intensity discharge lamp, a light emitting diode, etc., which are powered by a power source device (not shown) such as a commercial power source or a solar cell. The light source unit 2, a controller 23 for appropriately blinking the light emission of the light source unit 2, and for controlling the light emission and blinking only at night, during snowfall, heavy fog, etc., and a color filter for changing the light emission into colored light. 24 and the like are provided, and the light of the light source means 2 which is controlled by the controller 23 to emit light and blinks is guided through the color filter 24 to the tubular light-emitting body 1a. Further, in these configuration examples, the end face of the tubular light emitting body 1a is inserted into the light source box 22 and directly faces the light source means 2, but the light source means 2 and the tubular light emitting body 1a are arranged.
Another light transmission means is interposed between the end face of the
21 may be guided to the tube-shaped light emitting body 1a through the light transmitting means.

3 to 5, FIG. 3 is an explanatory view showing a state in which the present invention is used in a tunnel, and FIG. 4 is an explanatory view showing a state in which the present invention is used in a channel under a bridge. Figure 5
FIG. 5 is a sectional view showing a mounting structure of the light emitting means in FIGS. 3 and 4.

In FIG. 3, the passage L passing through the structure surrounded by a structure is the tunnel 3, and the tube-shaped light emitting body 1a whose end face is opposed to the light source means 2 provided in the light source box 22 is shown in FIG. It is attached to the end face of the entrance G of the tunnel 3 along the entrance G. The tube-shaped light emitting body 1a emits light and blinks linearly along the entrance G of the tunnel 3, so that the linear shape of the entrance G of the tunnel 3 is clearly visible, and the vehicle safely enters the tunnel 3. it can.

Further, in FIG. 4, the passage L through
Is a waterway that passes under the girder 41 of the bridge 4, and the bridge 4
The tube-shaped light emitting body 1a whose end face is opposed to the light source means 2 provided in the light source box 22 installed above is the bridge 4
It is attached along the entrance G of the undercarriage 41. The tube-shaped light emitting body 1a linearly emits light and blinks along the entrance G of the undercarriage 41, so that the linear shape of the entrance G of the undercarriage 41 is clearly visible, and You can enter safely.

In order to attach the tube-shaped light emitting body 1a to the entrance G of the tunnel 3 or the undergirder 41 of the bridge 4, the band-shaped mounting metal fitting 5 is put on the tube-shaped light emitting body 1a as shown in FIG. It may be fixedly attached to the end face G of the entrance 41 of the girder 41 of the tunnel 3 or the bridge 4.

[0023]

According to the line-of-sight guidance light in the passage through the passage according to the present invention, since the light emitting means that emits light and blinks linearly is attached along the entrance of the passage through the passage, especially at night or during snowfall. Even in the case of heavy fog, the alignment of the entrance of the pass-through passage becomes clear and easy to understand, it is possible to safely guide vehicles and ships into the pass-through passage, and only the entrance of the pass-through passage emits light. Since it blinks, it does not disturb the peace of the surrounding houses. Further, since the light emitting means emits light by emitting the light guided from the light source means, it does not require electric wiring, and therefore has excellent water resistance even if it gets wet with rain or water in a waterway, and maintenance is easy. Is.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of the present invention.

FIG. 2 is a sectional view showing an embodiment of a light emitting means.

FIG. 3 is an explanatory diagram showing a state in which the present invention is used in a tunnel.

FIG. 4 is an explanatory view showing a state in which the present invention is used in a waterway under a girder of a bridge.

5 is a cross-sectional view showing a mounting structure of the light emitting means in FIGS. 3 and 4. FIG.

[Explanation of symbols]

 1 Light emitting means 1a Tube-shaped light emitting body 11 Flexible tube 12 Core 13 Sealing material 2 Light source means 21 Light 22 Light source box 23 Controller 24 Color filter 3 Tunnel 4 Bridge 41 Girder 5 Mounting bracket 51 Bolt L Passing through passage G Entrance

Claims (3)

[Claims] 1. A linear shape, which is attached along an entrance of a passage through a passage that is surrounded by a structure, such as a tunnel or a roadway or a waterway that passes under a girder such as a bridge, an elevated road, or a railway guard. A line-of-sight guidance lamp in a pass-through path, characterized by comprising: a light emitting means that emits light to a light source; and a light source means that guides the light emitting means to emit light or blink the light emitting means. 2. The light emitting means is a tube-shaped light emitter, and the tube-shaped light emitter is housed in a flexible tube and the flexible tube has a higher refractive index than the flexible tube. A core, comprising:
Line-of-sight guidance light on the passage through the passage. 3. The line-of-sight guidance lamp in the pass-through passage according to claim 2, wherein the light-emitting means, which is a tubular light-emitting body, is inserted into a transparent long protective tube.