JPH1025719A - 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 bright plate such as a course display pattern, in which maintenance is facilitated and visibility during the night is improved, and a road-surface display system using the bright plate thereof. SOLUTION: A base body 1 being installed on a subbase course and consisting of a rigid elastic material having a specified course display pattern, a frame member 2 mounted on an outer circumference and the matrix of light diffusion ends 3, which are buried to the base bodey 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 focussing and holding the extended tips of a large number of the optical fibers and a connector 5 being set up 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, a center separation line, or a course direction indicating mark, is required. It is made by paint painting on the road surface. It is also known to provide a projection-like member carrying a reflector for improving visibility at night, especially at the center separation line and the direction of travel.

[0003] The formation of such a pattern of a sign, a display or a mark is well known, and thus no particular reference is made.

[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 or a route instruction pattern in a place where there is no traffic light in a heavy snowfall area when there is snow on the road surface. SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems of the prior art, and to provide a road surface display luminous 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 base made of a hard elastic material fixedly installed on the roadbed and having a predetermined indication mark shape, a frame member provided on the outer periphery of the base, and embedded in the base and one end protruding from one surface thereof. A plurality of optical fibers forming a pattern of the light-diffusing end and extending through the other surface of the base, and the extension of the plurality of optical fibers provided on one of the side surface and the back surface of the base. An optical fiber converging section that converges and holds the 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, is configured to transmit illumination light introduced from the light source from the light diffusing end through the optical fiber. By emitting the light, an optical display is formed on one surface of the base by the pattern of the light diffusion end.

The road surface display substrate according to a second aspect of the present invention is fixedly installed on a roadbed and is provided with a base made of a hard material having a predetermined indication mark shape, and embedded in the base. An optical fiber converging section that forms a pattern of a light diffusion end with one end protruding on one side thereof and is disposed on one of the side surface and the back surface of the base and converges and holds the other ends of the plurality of optical fibers; A connector for connecting a light source fiber connected to a light source provided in the optical fiber converging section, and emitting illumination light introduced from the light source from the light diffusion end through the optical fiber, thereby forming one surface of the base. And forming an optical display by the pattern of the light diffusion end.

A third aspect of the present invention is a road surface display substrate according to the third aspect, wherein the substrate according to the first or third aspect has a pattern indicating a traveling direction of the road surface. A road surface display system according to a fourth aspect of the present invention is characterized in that the road surface display bright plate according to the third aspect of the present invention is installed at an intersection.

In the construction of the first aspect of the present invention, the road surface display luminaire 10 is fixedly installed on a roadbed and has a base 1 made of a hard elastic material having a predetermined indication mark shape, and an outer periphery of the base. A frame member 2 provided, and a plurality of optical fibers buried in the base 1 to form a light diffusion end pattern having one end protruding from one side thereof and extending through the other side of the base. 6, an optical fiber converging section 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, and an optical fiber converging section 4 installed on the optical fiber converging section 4 and connected to a light source. And a connector 5 for coupling a light source fiber. The illumination light introduced from the light source is emitted from the light diffusing end 3 through the optical fiber 6 so that the light is applied to one surface of the base 1. Forming an optical display by the pattern of titanium 3.

Further, in the configuration of the second invention, the road surface display substrate 10 'is fixedly installed on the roadbed, and is made of a hard material 1' made of a hard material having a predetermined indication mark shape.
Forming a pattern of a light diffusion end embedded in the base and having one end protruding on one surface thereof, and installed on one of the side surface and the back surface of the base to converge the other ends of the plurality of optical fibers. An optical fiber converging section 4 for holding;
A connector 5 installed in the optical fiber converging section 4 and connecting a light source fiber connected to a light source; and illuminating light introduced from the light source is emitted from the light diffusing end 3 through the optical fiber 6 to form the base. An optical display is formed on one surface of 1 ′ by the pattern of the light diffusion edge.

Further, in the configuration of the third invention,
The traveling direction of the road surface is indicated by the pattern of the substrate according to the first or second invention. And the fourth aspect according to claim 4
According to the road surface display system of the invention, the road surface display substrate according to the third invention is installed at the intersection, so that the road surface display substrate can be visually recognized by self-emission even at night or when snow, snow or snow / water freezes. It becomes possible.

[0013] The above-mentioned road surface display shining plate is extremely less worn or damaged by traffic such as a vehicle, and is much easier to maintain and manage as compared with the conventional paint painting. In the configuration of the fourth aspect of the present invention, the road surface display system including the road surface display luminaire of the third aspect of the present invention provides a road surface covering material such as snow on the road surface and freezing of rain and snow water. The self-emission of the road surface display luminous plate makes it possible to visually recognize the existence of the route instruction pattern at the intersection.

It is to be noted that the road surface display illuminating plate according to the present invention can be applied to the road surface display system as various display means such as a stripe line (zebra zone), a vehicle stop line, and a center separation line which constitute the pedestrian crossing. .

[0015]

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 road surface display illuminating plate according to the present invention. In FIG. 1, reference numeral 1 denotes a shape of a course indicating pattern made of a hard elastic material colored white, yellow, or another body color. The base 2 has a frame member, 3 has a light diffusing end, 4 has an optical fiber converging portion, 5 has a connector, and 10 has a luminous plate for displaying a road surface.

In FIG. 1, a road surface display luminescent plate 10 has a base 1 formed of a hard rubber and formed in a predetermined pattern, and a frame member 2 provided around the periphery thereof. One end of a large number of optical fibers is projected from the (surface) to form a light diffusion end 3. A pattern of luminescent spots is formed on the surface of the substrate 1 by the plurality of light diffusion ends 3. The other end of the optical fiber penetrates the road surface display luminescent plate 10 and is laid on the other surface,
The optical fiber converging portion 4 is formed extending on one side of the optical fiber.

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

The frame member 2 is not always necessary, and is unnecessary 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 panel 10 can be determined in accordance with the provisions of the Road Traffic Act.

FIG. 2 shows a first example of a luminous plate for road surface display according to the present invention.
FIG. 2 is an enlarged schematic view of a portion A in FIG. 1 illustrating an embodiment,
Light diffusion edges 3 are arranged on the surface of the base 1 at a predetermined interval, that is, at a predetermined pitch. In this embodiment, the arrangement of the light diffusion ends 3 is a staggered pattern. 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.
1 is a schematic side view illustrating an embodiment, in which 6 is an optical fiber, 7 is a support pin, and the same reference numerals as those in FIG. 1 correspond to the same parts. In the figure, an optical fiber 6 which has a light diffusion end 3 formed on the surface of a road surface display luminous plate 10 and penetrates the optical fiber 6 is laid on the back surface of the road surface display luminous plate 10 to reach an optical fiber converging section 4, and from its connector 5. The light from the introduced light source is transmitted to the light diffusion end 3.

In FIG. 1, the optical fiber 6 is shown to reach the optical fiber converging portion 4 in a state where it is separated from the back surface of the road surface display illuminating plate 10; It is laid by fixing with etc. Also,
A plurality of support pins 7 are erected on the back surface of the road surface display luminaire 10, and are fixed to a predetermined position by being buried 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. 4 shows a first embodiment of a road surface display illuminating plate according to the present invention.
FIG. 4 is an enlarged schematic cross-sectional view of a portion B in FIG. 3 illustrating an example, 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 base 1 to the front surface side to form the 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 embedding of the optical fiber in the base 1
However, directivity can be given to the emitted light by embedding it at a slight angle in the direction facing the vehicle on the road surface to be installed, for example. The light diffusing end 3 can be made to have a light-emitting property by processing the tip of the optical fiber 6 into a convex lens shape or by attaching a glass drop to the tip to form a convex lens. It may be exposed as it is. Also,
It is also possible to make only the portion buried in the substrate a large diameter light guide.

FIG. 5 shows a first embodiment of a road surface display plate according to the present invention.
FIG. 4 is an enlarged schematic cross-sectional view of a portion C in FIG. 3 illustrating an embodiment, in which an optical fiber converging section 4 is fixed to a frame member 2 and a connector 5 is fixed to an end thereof. 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. 6 is a principal part rear view for explaining another structural example 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. 6, the support pins are erected via the reinforcing plate 8 bridging the frame member 2. doing.

The reinforcing plate 8 has a width of, for example, 18 mm and a thickness of 2 m.
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. 7 shows a second example of a road surface display luminaire according to the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view for explaining an embodiment, wherein 1 ′ is a base made of a hard resin colored white or yellow.
Is a light diffusion end, 4 is an optical fiber converging section, 5 is a connector,
Reference numeral 10 'denotes a road surface display bright plate. In the figure, a road surface display luminous plate 10 'is made of a hard resin, and one end of a large number of optical fibers protrudes from one surface (surface) of a base 1' to form a light diffusion end 3. The base 1 ′ is formed by the light diffusion ends 3.
The required pattern of luminescent spots is formed on the surface of.

The other end of the optical fiber is buried in the road surface display plate 10 and extends to one side thereof to form an 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 (light source fiber).
This is transmitted to the light diffusion end 3 and emitted from the light diffusion end 3.

A required light emitting region is formed by the distribution of bright spots radiated from the pattern 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 may be concrete. Further, the same support pins as those in the above-described embodiment can be planted on the back surface. FIG. 8 is a schematic cross-sectional view illustrating a third embodiment of a road surface display luminaire according to the present invention, in which the present invention is applied to a right turn instruction pattern of a vehicle installed at the center of an intersection.

In the figure, the patterns 10a and 10b are independent, but are connected in parallel by an optical fiber in the ground covered with the road surface material when installed at an intersection, and are connected to a light source (not shown). FIG. 9 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, 16 is a light luminance lamp such as a metal halide lamp, Is an adiabatic filter, and 18 is a light collecting section.

The light source box 15 is mounted on a pole 14 that supports 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.

FIG. 10 is a schematic plan view for explaining an embodiment of an intersection road surface display system according to the present invention, wherein A is a pedestrian crossing line (zebra zone), B is a vehicle stop line, C
Is a center separation line, D is a traffic light, E is a pedestrian traffic light, F is a light source fiber, G and H are course display patterns, and I is a right turn instruction pattern. In the present embodiment, the road surface display luminescent plate is applied to the course display patterns G and H and the right turn instruction pattern I.

Light is supplied from a light source box installed on the pole of the traffic light D to the road surface display luminaire constituting the course display patterns G and H and the right turn instruction pattern I via a light source fiber F. In FIG. 1, the same road surface display luminescent plate as that of the present invention is applied to the stripe line (zebra zone) A, the vehicle stop line B, and the center separation line C of the pedestrian crossing.

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.

[0036]

As described above, according to the present invention,
Even in nighttime traffic, or on the road surface covering conditions such as snow on the road surface or freezing of rain and snow water, the self-emission of the road surface display luminous plate makes it possible to visually recognize the existence of the course display pattern such as intersections, and easy maintenance and management. It is possible to provide a road surface display bright plate having good night 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 a schematic side view illustrating a first embodiment of a road surface display luminaire according to the present invention.

FIG. 4 is an enlarged schematic cross-sectional view of a portion B in FIG. 3 illustrating a first embodiment of a road surface display luminaire according to the present invention.

FIG. 5 is an enlarged schematic cross-sectional view of a portion C in FIG. 3 for explaining a first embodiment of a road surface bright plate according to the present invention.

FIG. 6 is a main part back view 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.

FIG. 7 is a schematic cross-sectional view illustrating a second embodiment of the road surface display luminaire according to the present invention.

FIG. 8 is a schematic cross-sectional view illustrating a third embodiment of the road surface bright plate according to the present invention.

FIG. 9 is a schematic diagram illustrating a configuration example of a light source box for supplying light to a road surface display plate according to the present invention.

FIG. 10 shows an intersection road surface display system according to the present invention;
It is a plane schematic diagram explaining an Example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 1 'Base 2 Frame member 3 Light diffusion end 4 Optical fiber converging part 5 Connector 6 Optical fiber 6' Light source fiber 7 Support pin 8 Reinforcement 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 (4)

[Claims] 1. A base made of a hard elastic material fixed to a roadbed and having a shape of a predetermined indication mark, a frame member provided on an outer periphery of the base, and one surface embedded in the base. A plurality of optical fibers that form a light diffusion end pattern having one end protruding therefrom and extend through the other surface of the base, and the plurality of optical fibers installed on one of the side surface and the back surface of the base. An optical fiber converging section that converges and holds the extending end of the optical fiber, 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 illumination light introduced from the light source passes through the optical fiber. A luminous plate for a road surface display, wherein light is emitted from the light diffusion end to form an optical display on one surface of the base by the pattern of the light diffusion end. 2. A base made of a hard material fixed to a roadbed and having a shape of a predetermined indication mark, and a pattern of a light diffusion end embedded in said base and having one end protruding from one surface thereof. An optical fiber converging portion formed and installed on one of the side surface and the back surface of the base and converging and holding the other ends of the plurality of optical fibers, and a light source fiber installed on the optical fiber converging portion and connected to a light source are coupled. A light display by the pattern of the light diffusion end is formed on one surface of the base by emitting illumination light introduced from the light source from the light diffusion end through the optical fiber. Road surface display plate. 3. A luminous plate for displaying a road surface, wherein the substrate according to claim 1 or 2 has a mark shape for indicating a traveling direction of a road surface. 4. A road surface display system comprising the road surface display bright plate according to claim 3 installed at an intersection.