JPH1025718A - Bright plate for displaying on road surface and road-surface display system using bright plate thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a road-surface display system in which maintenance is facilitated and visibility during the night is improved. SOLUTION: A base body 1 consisting of a rigid elastic material installed on a road surface and a frame member 2 mounted on an outer circumference and the matrix of light diffusion ends 3, which are buried into the base body 1 and in which one ends are projected to one surface of the base body 1, are formed. The bright plate is composed of a large number of optical fibers extended while being penetrated to the other surface side of the base body 1, an optical-fiber focussing section 4 being set up to either of the side faces or rear of the base body 1 and focussing and holding the extended tips of a large number of the optical fibers, and a connector 5 fitted to the optical-fiber focussing section 4 and combining a light-source fiber connected to a light source.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display means for road traffic, and more particularly to an instruction sign at night at an intersection or the like.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road surface display luminaire for displaying regulations or warning signs and other displays necessary for road traffic and a road surface display system using the same.

[0002]

2. Description of the Related Art Among various signs and displays for road traffic, display means provided on a road surface, such as a striped line indicating a pedestrian crossing, a vehicle stop line, and a center separation line, are provided on the required road surface. It is made by paint painting. It is also known that a projection-like member carrying a reflector for improving the visibility especially at night is provided on the center separation line.

[0003] Incidentally, since this kind of sign or display is well known, no particular reference is given.

[0004]

In the above-mentioned prior art, since various road surface display means are mainly composed of paint, the road surface is worn or damaged with the passage of a vehicle or the like, and the road surface with a high traffic frequency. In such a case, frequent repainting is required, and there is a problem that a great deal of labor and cost are required for maintenance and management.

[0005] The conventional road surface display means made of paint has low visibility at night, and cannot be identified even if it is submerged, snowy, or frozen in rain and snow. There is. Even in the case of a device provided with a reflector, its effect is significantly reduced when it is covered with a shield such as snow.

In particular, it has been empirically known that it is extremely difficult to identify a stop line in a place where there is no traffic light when there is snow on a road surface in a heavy snowfall area. SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems of the prior art, and to provide a road surface display bright plate which is easy to maintain and has good night visibility, and a road surface display system using the same.

[0007]

According to a first aspect of the present invention, there is provided a road surface display luminescent plate according to the first aspect of the present invention.
A substantially rectangular base 1 made of a hard elastic material fixedly installed on a roadbed, and a frame member 2 provided on the outer periphery of the base 1
A large number of optical fibers 6 buried in the base 1 to form a matrix of light diffusion ends 3 having one end protruding from one side thereof and extending through the other side of the base 1; An optical fiber converging portion 4 installed on either the side surface or the back surface of the base 1 to converge and hold the extended ends of the plurality of optical fibers 6, and a light source fiber installed on the optical fiber converging portion and connected to a light source are coupled. And a connector 5 which emits illumination light introduced from the light source from the light diffusion end 3 through the optical fiber 6 to thereby provide two-dimensional light by a matrix of the light diffusion end 3 on one surface of the base. A display area is formed.

[0008] A luminous plate for road surface display according to a second aspect of the present invention comprises a substantially rectangular base 1 'made of a hard material fixedly mounted on a roadbed and a base 1'. A matrix of the light diffusing end 3 is buried and has one end protruding from one surface thereof, and is disposed on either the side surface or the back surface of the base 1 ′ to converge and hold the other ends of the large number of optical fibers 6. It comprises an optical fiber converging section 4 and a connector 5 installed in the optical fiber converging section and connecting a light source fiber connected to a light source, and illuminating light introduced from the light source is emitted from the light diffusion end 3 through the optical fiber 6. Thereby, a two-dimensional light display area is formed on one surface of the base by the matrix of the light diffusion edges 3.

Further, a luminous plate for road surface display according to a third aspect of the present invention is a rectangular shape in which the base 1 or 1 'in the first or second aspect constitutes a striped line at an intersection. It has a plate shape. Further, according to a fourth aspect of the present invention, there is provided a road surface display luminescent plate according to the fourth aspect.
The substrate 1 or 1 ′ according to the invention or the second invention.
Has a rectangular plate shape forming a vehicle stop line at an intersection.

Further, according to a fifth aspect of the present invention, there is provided a luminous plate for road surface display according to the first or second aspect, wherein the base 1 or 1 ′ forms a center separation line of a road surface. It is characterized by having a shape. The road surface display system according to a sixth aspect of the present invention is characterized in that at least one of the road surface display luminaires according to the fourth, fifth, and sixth aspects is installed. I do.

In the construction of the first invention, the illuminating plate for road surface display 10 is a substantially rectangular base 1 made of a hard elastic material.
And a frame member 2 provided on the outer periphery of the base 1, and is fixedly installed on a roadbed. The frame member 2 holds the outer shape of the base and facilitates construction on a road surface. This substrate 1 has
On one surface thereof, a matrix of light diffusion ends 3 having one end protruding is formed, and a number of optical fibers 6 extending through the other surface of the base 1 are embedded.

The optical fiber converging section 4 is provided on either the side surface or the back surface of the base 1 to converge and hold the extending ends of the optical fibers 6. A connector 5 for connecting a light source fiber 6 connects the optical fiber converging section 4 to a light source. Then, the illumination light introduced from the light source is emitted from the light diffusion end 3 through the optical fiber 6 to form a two-dimensional light display area by a matrix of the light diffusion ends 3 on one surface of the base.

In the second aspect of the present invention, the road surface display luminaire 10 'is provided by fixing a substantially rectangular base 1' made of a hard material to a roadbed. The optical fiber converging section 4 is embedded in the base 1 'to form a matrix of light diffusion ends 3 having one end protruding from one surface thereof, and is disposed on either the side surface or the back surface of the base 1' and The other end of the optical fiber 6 is converged and held.

A connector 5 for connecting a light source fiber connects the optical fiber converging section 4 to a light source. Then, the illumination light introduced from the light source is emitted from the light diffusion end 3 through the optical fiber 6 to form a two-dimensional light display area by a matrix of the light diffusion ends 3 on one surface of the base.

Further, in the configuration of the third aspect,
The illuminating plate for road surface display has a rectangular plate shape in which the base 1 or 1 'in the first invention or the second invention forms a striped line of an intersection, and a plurality of the combinations are arranged and arranged at the intersection. Are formed. Further, in the configuration of the fourth aspect of the present invention, the road surface display luminous plate has a rectangular plate shape in which the base 1 or 1 ′ in the first or second aspect of the invention forms a vehicle stop line at an intersection. Then, a vehicle stop line at an intersection is configured by combining and arranging a plurality of these.

Further, in the configuration of the fifth invention,
In the road surface display luminescent plate, the base 1 or 1 'in the first invention or the second invention has a strip shape forming a center separation line of the road surface, and a plurality of the base members 1 or 1' are arranged so that the center portion of the road surface is formed. Configure the disconnection. Note that the road surface display luminescent plate constituting the center separation line is not limited to the strip shape, and may be another shape such as a circle.

The road surface display luminaire of each of the above-mentioned inventions has extremely little wear and damage due to traffic of vehicles and the like, and is much easier to maintain and manage as compared with conventional paint painting.
In the configuration of the sixth invention, at least one of the road surface display luminous plates of the fourth, fifth, and sixth inventions is provided.
A road surface display system with one set of roads is equipped with a self-emission of a road surface display luminous plate, a striped line at an intersection, a vehicle stop line, or a center line even when the road surface is covered with snow, such as snow on the road surface or freezing of rain and snow water. The presence of the separation line is visible.

[0018]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a schematic plan view illustrating a first embodiment of a illuminating plate for road surface display according to the present invention, in which 1 is a rectangular base made of a hard elastic material colored white or yellow or other body colors; Is a frame member, 3 is a light diffusion end, 4 is an optical fiber converging portion, 5 is a connector, and 10 is a luminous plate for displaying a road surface.

In FIG. 1, a road surface display luminous plate 10 has a base 1 made of hard rubber and a frame member 2 provided around the base 1 and a large number of members are provided on one surface (surface) of the base 1. One end of the optical fiber is projected to form a light diffusion end 3. The light diffusion ends 3 form a two-dimensional matrix of luminescent spots on the surface of the substrate 1. The other end of the optical fiber penetrates the road surface display luminescent plate 10 and is laid on the other surface, and extends to one side to form the optical fiber converging portion 4 on the one side.

The optical fiber converging section 4 is provided with a connector 5 for introducing light transmitted from a light source (not shown) by a light guide, transmitting the light to the light diffusion end 3 and radiating the light from the light diffusion end 3. . A two-dimensional light-emitting region is formed by the bright spot distribution radiated from the matrix of the light diffusion end 3.

The frame member 2 is not always necessary, and is not required when the shape of the material of the base 1 is highly maintainable. Alternatively, a separate frame member can be used at the time of construction. The size of the road surface display illuminating plate 10 may be determined in accordance with the provisions of the Road Traffic Act.
Can be 2000 mm and the width W can be 300 mm.

FIG. 2 shows a first example of a road surface display plate according to the present invention.
FIG. 2 is an enlarged schematic view of a portion A in FIG. 1 illustrating an embodiment,
The light diffusion edges 3 are arranged at a predetermined interval, that is, at a predetermined pitch in a staggered manner on the surface of the rectangular base 1. In this embodiment, the arrangement of the light diffusion ends 3 is a staggered matrix. However, the arrangement is not limited to this, and the light diffusion ends 3 may be arranged vertically and horizontally along a straight line, or may be arranged randomly at an average density. it can.

FIG. 3 shows a first embodiment of a road surface display plate according to the present invention.
FIG. 2 is an enlarged schematic view of a portion B in FIG. 1 illustrating an embodiment,
An optical fiber converging section 4 is provided on one of the short sides of the road surface display illuminating plate 10, and light transmitted from a light source (not shown) by a light guide is introduced into the optical fiber converging section 4 by the light diffusing end 3. A connector 5 is provided for transmitting the signal to the terminal.

Although the optical fiber converging portion 4 and the connector 5 are provided so as to protrude from the short side of the road surface display plate 10, the optical fiber converging portion 4 and the connector 5 may be installed at a position which is recessed from the short side. Good. FIG. 4 is a schematic side view illustrating a first embodiment of a road surface display luminescent plate according to the present invention,
Reference numeral 6 denotes an optical fiber, 7 denotes a support pin, and the same reference numerals as those in FIG. 1 correspond to the same parts.

In FIG. 1, an optical fiber 6 having a light diffusing end 3 formed on the surface of a road surface display luminous plate 10 and penetrating therethrough is laid on the back surface of the road surface display luminous plate 10 to reach an optical fiber converging section 4. The light from the light source introduced from the connector 5 is transmitted to the light diffusion end 3. Although the optical fiber 6 is shown as reaching the optical fiber converging portion 4 in a state where it is separated from the back surface of the road surface display plate 10, it is actually fixed on the back surface or with an adhesive or the like. It is laid.

A plurality of support pins 7 are erected on the back surface of the road surface display luminaire 10, and are fixed in a predetermined position by being embedded in a roadbed at the time of construction. The diameter of the support pin 7 is, for example, 15 mm, and is appropriately selected depending on the material of the roadbed, the traffic volume, and other conditions. FIG. 5 is an enlarged schematic cross-sectional view of a portion C in FIG. 4 illustrating a first embodiment of a road surface bright plate according to the present invention, and shows an embedded state of an optical fiber 6 in a base 1.

One end of the optical fiber 6 penetrates from the back surface of the substrate 1 to the front surface side to form a light diffusion end 3 on the front surface. The other end of the optical fiber 6 extending from the back surface of the base 1 reaches the optical fiber converging section 4 as described above. The support pins 7 are directly erected on the back surface of the base 1. The optical fiber is buried in the base 1 vertically through the surface of the base 1. For example, when the optical fiber is buried at a slight angle in a direction facing a vehicle on a road surface to be installed, directivity to radiation light is improved. Can also be given.

The light diffusing end 3 can be provided with a light radiating property by processing the tip of the optical fiber 6 into a convex lens shape or attaching a glass drop to the tip to form a convex lens. The cut surface may be exposed as it is. Further, it is also possible to use only a portion embedded in the base as a light guide having a large diameter. FIG. 6 is an enlarged schematic cross-sectional view of a portion D in FIG. 4 illustrating a first embodiment of a road surface bright plate according to the present invention. The optical fiber converging portion 4 is fixed to the frame member 2 and a connector is provided at an end thereof. 5 is fixed.

When the frame member 2 is not used, the frame member 2 may be embedded in the base 1 or may be free without being fixed. FIG. 7 is a back view of an essential part for explaining another example of the structure of the base in the first embodiment of the road surface bright plate according to the present invention, and 8 is a reinforcing plate. In the structural example shown in FIG. 4, the support pins installed on the back surface of the base 1 are directly erected on the base 1, but in FIG. 7, the support pins are erected via the reinforcing plate 8 bridging the frame member 2. doing.

The reinforcing plate 8 has a width of 18 mm and a thickness of 2 m, for example.
m, and the diameter of the support pin 7 is, for example, 10 mm.
An appropriate value is selected depending on the material of the roadbed, traffic volume and other conditions. According to the first embodiment described above, it is possible to provide a road surface display luminescent plate that is easy to maintain and has good night visibility.

FIG. 8 shows a second example of the road surface display luminaire according to the present invention.
FIG. 1 is a schematic cross-sectional view illustrating an embodiment, wherein 1 ′ is a base made of a hard resin colored in a body color such as white or yellow,
Reference numeral 3 denotes a light diffusing end, 4 denotes an optical fiber converging portion, 5 denotes a connector, and 10 ′ denotes a road surface display plate. In the figure, a road surface display luminous plate 10 'is made of a hard resin and a base 1'.
One end of a large number of optical fibers is projected from one surface (surface) of the optical fiber to form a light diffusion end 3. The light diffusion ends 3 form a two-dimensional matrix of bright spots on the surface of the base 1 '.

The other end of the optical fiber is buried in the road surface display plate 10 and extends to one side thereof, and the optical fiber converging portion 4 is formed on the one side. The optical fiber converging section 4 is provided with a connector 5 for introducing light transmitted from a light source (not shown) by a light guide, transmitting the light to the light diffusion end 3 and radiating the light from the light diffusion end 3.

A two-dimensional light-emitting region is formed by the bright spot distribution radiated from the matrix of the light diffusion end 3. The road surface display luminaire 10 'of this embodiment is integrally formed by pouring hard resin in a state where a predetermined number of optical fibers 6 are held at predetermined positions in a mold. According to this embodiment, similarly to the first embodiment, it is possible to provide a luminous plate for road surface display which is easy to maintain and has good nighttime visibility, and is easier to manufacture than the first embodiment. It also has an effect.

In the second embodiment, the material of the base 1 'is not limited to hard resin, but concrete may be used. Further, the same support pins as those in the above-described embodiment can be planted on the back surface. FIG. 9 is a schematic plan view illustrating a configuration example of a pedestrian crossing constructed using the road surface display illuminating plate according to the present invention, and 11 is an asphalt (concrete, concrete).
A road surface composed of other road surface materials), 12 is a sidewalk, 1
3 is a side frame.

This pedestrian crossing is provided on a roadbed with a road surface display
After arranging 0 or 10 ′ in accordance with the provisions of the Road Traffic Law, arranging the side frame 13 on the short side, and connecting the light source fiber 6 ′ extending from the light source to the connector 6,
A road surface material such as asphalt or concrete is filled between the road surface display luminaires 10 or 10 ', and the entire surface is constructed substantially flat.

It is also possible to slightly protrude the road surface display luminescent plate 10 or 10 '. The light source fiber 6 'may be laid along the side frames 13, 13' or buried therein. Also, where the crosswalk is wide,
A road surface display luminaire having a length corresponding to the width may be prepared, or a reference size road surface luminaire may be added in the width direction and installed.

The illuminating plate for road surface display to be added in the width direction can be easily installed by providing additional fiber connectors at both ends of the illuminating plate for road surface or by laying light source fibers on the side frames 13 '. become. Further, when the side frames 13 and 13 'are not used, the light source fiber 6' is laid through an appropriate portion under the road surface.

FIG. 10 is an enlarged partial view for explaining in further detail an example of the configuration of a pedestrian crossing constructed using the road surface display illuminating plate according to the present invention, in which 14 is a signal pole, 15 is a light source box, and D is a light source box. Is a traffic light. In the figure, a pedestrian crossing has a pole 14 supporting a traffic light D and a stripe line (so-called zebra zone) constructed using the road surface display plate 10 or 10 ′ according to the present invention. A light source box 15 to be accommodated is provided.

The light source fiber 6 ′ extending to the road surface display plate 10 or 10 ′ is connected to the light source box 15 inside the pole 14 or along the pole. The light source box 15 is provided with a high-luminance light source, as will be described later.
To the road surface display plate 10 or 10 '.

The light source box 15 is not limited to one mounted on the pole 15, but may be mounted on a dedicated pole or buried on the ground or in the ground. The above is the description of the configuration of the stripes that make up the pedestrian crossing such as intersections,
At intersections and the like, there are other vehicle stop lines, central separation lines, and the like, and these can be similarly constructed.

That is, the vehicle stop line and the center separation line are constructed in substantially the same manner as the above-described stripe lines, using a road surface display luminaire having a shape and a size in accordance with the provisions of the Road Traffic Act.
FIG. 11 is a schematic plan view illustrating an example of a road surface display system configured by using the road surface display luminaire according to the present invention for the stripe line of the pedestrian crossing forming the intersection, the vehicle stop line, and the center separation line. Is a stripe line (zebra zone), B is a vehicle stop line, C is a central separation line, D is a traffic light, E is a pedestrian traffic light,
F is a light source fiber.

In the same figure, a road surface display luminescent plate constituting a stripe line (zebra zone) A, a vehicle stop line B and a center separation line C is supplied from a light source box 15 mounted on a pole 14 of a traffic light D to an optical fiber F ( Light is supplied via 6 ') of the previous embodiment. FIG. 12 is a schematic view for explaining a configuration example of a light source box for supplying light to a road surface display illuminating plate according to the present invention, wherein 14 is a pole, 15 is a light source box, and 16 is a light source box.
Denotes a light intensity lamp such as a metal halide lamp, 17 denotes a heat insulating filter, and 18 denotes a light condensing part.

The light source box 15 is mounted on the pole 14 supporting a traffic light. The light source box 15 accommodates a light luminance lamp 16 such as a metal halide lamp, a heat insulating filter 17 and a light collecting unit 18. Light source fiber 6 '
The light condensing section 18 provided at the end collects and introduces the light from the light luminance lamp 16. Power for driving the light source is supplied from a power line for a traffic light, but is not limited thereto.
It is also possible to install a solar battery, a wind power generator, and other power supplies in 4, and to install a storage battery in parallel and drive the light source with this.

According to the road surface display system of this embodiment,
Not only at night, but also on the road surface, such as snow on the road surface or freezing of rain / snow water, the presence of a striped line at the intersection, a vehicle stop line, or a center separation line is visually recognized by the self-emission of the road surface display luminaire. it can.

[0045]

As described above, according to the present invention,
Even at nighttime traffic or on the road surface such as snow on the road surface or freezing of rain / snow water, the presence of the striped line at the intersection, the vehicle stop line, or the center separation line can be visually recognized by the self-emission of the road surface display plate. It is possible to provide a road surface display luminescent plate which can be easily maintained and has good nighttime visibility, and a road surface display system using the same.

[Brief description of the drawings]

FIG. 1 is a schematic plan view illustrating a first embodiment of a road surface display luminaire according to the present invention.

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 for explaining a first embodiment of a road surface display luminaire according to the present invention.

FIG. 3 is an enlarged schematic view of a portion B in FIG. 1 for explaining a first embodiment of a road surface display luminaire according to the present invention.

FIG. 4 is a schematic side view illustrating a first embodiment of a road surface bright plate according to the present invention.

FIG. 5 is an enlarged schematic cross-sectional view of a portion C in FIG. 4 for explaining a first embodiment of a road surface bright plate according to the present invention.

FIG. 6 is an enlarged schematic cross-sectional view of a portion D in FIG. 4 for explaining a first embodiment of a road surface bright plate according to the present invention.

FIG. 7 is a main part rear view for explaining another structural example of the base in the first embodiment of the road surface display luminaire according to the present invention.

FIG. 8 is a schematic cross-sectional view illustrating a second embodiment of the road surface display luminaire according to the present invention.

FIG. 9 is a schematic plan view illustrating a configuration example of a pedestrian crossing constructed using the road surface display luminaire according to the present invention.

FIG. 10 is an enlarged partial view illustrating an example of the configuration of a pedestrian crossing constructed using the road surface display illuminating plate according to the present invention in further detail.

FIG. 11 is a schematic plan view illustrating an example of a road surface display system in which a stripe for a pedestrian crossing forming an intersection, a vehicle stop line, and a center separation line are formed using the road surface display luminaire according to the present invention.

FIG. 12 is a schematic diagram illustrating a configuration example of a light source box that supplies light to a road surface display luminescent plate according to the present invention.

[Explanation of symbols]

 Reference Signs List 1, 1 'rectangular base 2 frame member 3 light diffusion end 4 optical fiber converging section 5 connector 6 optical fiber 6' light source fiber 7 support pin 8 reinforcing plate 10, 10 'road surface display bright plate 11 road surface 12 sidewalk 13, 13' Side frame 14 Pole 15 Light source box 16 High-intensity lamp 17 Insulation filter 18 Condenser.

Claims (6)

[Claims] 1. A substantially rectangular base made of a hard elastic material fixedly installed on a roadbed, a frame member provided on an outer periphery of the base, and one end embedded in the base and having one end on one surface thereof. A plurality of optical fibers that form a matrix of protruding light diffusion ends and extend through the other surface of the substrate, and a plurality of the optical fibers that are installed on one of the side surface and the back surface of the substrate. An optical fiber converging section that converges and holds the extending end; and a connector that is installed in the optical fiber converging section and that couples a light source fiber connected to a light source. The light diffusing illumination light introduced from the light source passes through the optical fiber. A luminous plate for a road surface display, wherein a two-dimensional light display area is formed on one surface of the base by a matrix of the light diffusion ends by emitting light from an end. 2. A substantially rectangular base made of a hard material fixedly installed on a roadbed and a matrix of light diffusion ends embedded in said base and having one end protruding from one surface thereof. An optical fiber converging section is provided on one of the side and back surfaces of the base and converges and holds the other ends of the plurality of optical fibers, and a connector is provided on the optical fiber converging section and couples a light source fiber connected to a light source. The illumination light introduced from the light source is emitted from the light diffusion end through the optical fiber to form a two-dimensional light display area by a matrix of the light diffusion end on one surface of the base. Road surface display plate. 3. A road surface bright plate, wherein the substrate according to claim 1 or 2 has a rectangular plate shape forming a striped line at an intersection. 4. A road surface display luminaire, wherein the base body according to claim 1 or 2 has a rectangular plate shape forming a vehicle stop line at an intersection. 5. A luminous plate for road surface display, wherein the base according to claim 1 or 2 has a strip shape constituting a center separation line of a road surface. 6. A road surface display system provided with at least one of claims 4, 5, and 6.