JPH07192517A - Vehicle guiding marker - Google Patents

Abstract

PURPOSE:To provide an illuminating apparatus to guide a vehicle to an appointed parking position in a parking area and park the vehicle there wherein with the apparatus even a beginner can park a vehicle only by one try at the appointed parking position in the parking area at which only an experienced driver can park a vehicle by one try. CONSTITUTION:Light from, for example, one light source 1 is transmitted and guided to an illuminating means 3 buried and put in a road and light is scattered linearly either continuously or intermittently by the illuminating means 3 and relying on the light, a driver can drive a vehicle to the appointed position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device for guiding a vehicle road, and more particularly, it is used in a vehicle parking lot, a driving school in a driving school, or the like, to park a vehicle while moving, particularly backward. The present invention relates to an illuminating device that guides the user so that the lighting is easy.

[0002]

2. Description of the Related Art Parking methods for vehicles such as automobiles include forward parking and backward parking, but there are restrictions on space (size,
Peripheral conditions) and due to the steering mechanism, backward parking is generally performed because the speed is slow and a small turn is possible. When parking such a vehicle, the driver instantaneously judges the positions of the left, right, front and rear obstacles, and moves backward at a certain angle for a certain distance, and then at a certain angle for a certain distance to move backward. Ordinarily, this was repeated in sequence and finally stopped at a designated location.

[0003]

However, in such a conventional method, it is necessary for the driver to sufficiently check the positions of the front, rear, left and right obstacles in order to park smoothly and accurately. , Dependent on the driver's skill level of driving skill, especially for beginners, it took a lot of effort to move the steering wheel to the parking position by switching the steering wheel many times for each parking lot. Therefore, an object of the present invention is to enable a beginner to easily move backward and stop at a parking lot by using a lighting device for guiding a vehicle.

[0004]

SUMMARY OF THE INVENTION In a vehicle route guidance lighting device of the present invention, a light source and a long lighting means for emitting light from the light source continuously or intermittently in a line shape are provided. A groove is dug on the road surface to be embedded. A groove is drawn in advance on the road surface of the parking lot to draw the rear wheel path of the vehicle, and a high-efficiency light-transmitting member or light-storing body with a light source section is provided in the groove to cause the light-transmitting member to emit light at night, and a light-storing body optical line. You can park safely by tracing the rear wheel of the vehicle.

[0007] It is preferable that the traveling route illuminating device for a vehicle be provided with a light transmitting means for transmitting the light from the light source to the irradiating means between the light source and the irradiating means. Furthermore, the irradiating means and the light transmitting means have flexibility, that is, a flexible tubular clad material and a refractive index higher than that of the clad material filled in the clad material. It is preferable that the core material is composed of a viscous liquid, solid or gel core material having

[0006]

In the vehicle lane guiding illumination device of the present invention, the light source and the elongated irradiation means for emitting the light from the light source continuously or intermittently in a line form are buried in the road surface by digging a groove. To illuminate for vehicle guidance.

By providing the light transmitting means for transmitting the light from the light source to the irradiating means between the light source and the irradiating means, it becomes possible to place the light source even at a place distant from the irradiating means. Furthermore, the irradiation means and the light transmission means have flexibility, that is, a cylindrical tubular clad material having flexibility, and the clad material is filled with the clad material.
Since it is composed of a viscous liquid, solid or gel core material having a higher refractive index than the clad material, it can be formed into a desired shape.

[0008]

EXAMPLE An example according to the present invention will be described below.
Description will be given with reference to the accompanying drawings. FIG. 1 shows an illuminating device according to the present invention, and FIG. 2 shows a configuration of an optical path from a lamp as a light source to an optical transmission hose.
FIG. 3 shows the structure of the optical transmission hose, and FIGS. 4, 5 and 6 show a diffuser tube as an example of the elongated illumination means of the present invention. Is as described above. FIG. 7 is a rear wheel locus of the vehicle, FIG. 8 is a long light-emitting body and a luminous body, FIG. 9 is a long light-emitter embedded, and FIG. 10 is a light source for optical transmission.

FIG. 1 shows a lighting apparatus for guiding a road of a vehicle according to the present invention. This lighting apparatus for guiding a road of a vehicle includes a light source 1 having a light emitting means (not shown) housed in a lamp house 1A. An elongated irradiation means 3 for emitting light from the light source 1 continuously or intermittently in a line shape,
The optical transmission means 2 for transmitting the light from the light source 1 to the irradiation means 3 is provided.

The irradiating means 3 is formed into a desired shape as shown in FIG. 8 and is embedded in the road surface as shown in FIG. 9 to illuminate the road surface for guiding when the vehicle is parked.

The light emitting means used as the light source 1 is housed in the lamp house 1A and includes an incandescent lamp, a fluorescent tube, a halogen lamp, a metal halide lamp, a light emitting diode (LED), a semiconductor laser (LD) or a gas laser, and an electric field. In addition to artificial light sources such as light emitters and plasma arc tubes,
It is also possible to use natural light such as sunlight.

The lamp serving as the light source is provided at the focal position of the concave mirror 12 as shown in FIG. 2 as an example. In addition, the parallel light after being reflected by the concave mirror 12 is transmitted to the optical transmission hose 2
A condensing lens 13 is provided in the vicinity of the lamp 11 in order to condense light toward the window 23 that serves as an entrance of the lamp. Furthermore, in order to change the color of the illumination light emitted from the ground in accordance with the driving situation on the optical path along which the light after passing through the condenser lens 13 travels, that is, when leaving the designated passage The motor 14 is operated to provide a color filter 15 for coloring the transmitted light red. The light source may be configured to be continuously turned on, or may be turned on in a pulse shape, a flash shape, or the like.

As an example of the optical transmission hose, as shown in FIG. 3, a core 21 made of a viscous liquid is filled in a polymer pipe 22 processed into a flexible pipe, and both ends of the pipe 22 are transparent. It is sealed with a window 23. By using a clad having a refractive index lower than that of the core, total reflection of light occurs at the interface between the two, and by repeating this total reflection, light incident from one end is transmitted to the other end. .

The clad is used in the form of a hollow tube, and as a material for forming the clad, a material having flexibility, such as plastic and elastomer, which can be formed into a tube and has a low refractive index is used. Is preferred.

Specific examples thereof include polyethylene, polypropylene, polyamide, polystyrene, ABS, polymethylmethacrylate, polycarbonate, polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, polyethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene. Polyvinyl alcohol copolymer, fluororesin, silicone resin, natural rubber, polyisobrene rubber, polybutadiene rubber, styrene-butadiene copolymer, butyl rubber, halogenated butyl rubber, chloroprene rubber,
Acrylic rubber, EDPM, acrylonitrile-butadiene copolymer, fluororubber, silicone rubber and the like are preferably used.

Among these, silicon-based polymers and fluorine-based polymers having a low refractive index are particularly preferable, and specifically,
Silicon-based polymers such as polydimethyl siloxane polymer, polymethylphenyl siloxane polymer, fluorosilicone polymer, polytetrafluoroethylene (P
TFE), tetrafluoroethylene-hexafluoropropylene copolymer (FEP), tetrafluoroethylene-perfluoroalkoxyethylene copolymer (PFE), polychlorotrifluoroethylene (PCTFE), tetrafluoroethylene-ethylene copolymer Polymer (ETFE), polyvinylidene fluoride, polyvinyl fluoride, vinylidene fluoride-trifluoroethylene chloride copolymer, vinylidene fluoride-hexafluoropropylene copolymer, vinylidene fluoride-hexafluoropropylene-tetrafluoroethylene tripolymer A fluorinated polymer such as an original copolymer, tetrafluoroethylene propylene rubber, or a fluorinated thermoplastic elastomer is preferably used.

These materials may be used alone or in a mixture of two or more kinds, and may be used as a single tube or a multiple tube. Further, it is also possible to perform a smoothing treatment or the like only on the inner surface in contact with the core material 21 by a method such as coating or double extrusion.

Further, as shown in FIG. 3, the outer periphery of the clad material 22 is covered with an outer cover 24 made of an opaque material for the purpose of shielding light.
Can also be coated with.

As the core material 21, polyols such as polyethylene oxide, polypropylene oxide and glycerin, which have a higher refractive index than the clad material 22, polyol esters, polyol ethers, chloroethyl phosphate, trioctyl phosphate and other phosphate esters. , Liquid paraffin, fluorine 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, or the like is used.

Further, it is not limited to the viscous liquid form, and a solid form or gel form may be used. For example,
It may be a solid one such as plastic or thermoelastomer, or a curable liquid such as epoxy resin, liquid silicone, polyurethane, liquid polybutadiene or acrylic ester monomer filled in a hollow tube and cured. good.

Further, as the core material 21 and the clad material 22, it is preferable to use a material having a small absorptance of light having a wavelength to be transmitted.

As the window member 23, a transparent material such as crown glass, quartz, flint glass, chalcogenite type glass, sapphire, crystal, polycarbonate, methacrylic resin, polystyrene resin can be used.

The optical transmission means 2 is not limited to this, and may be a bundle of plastic fibers or glass fibers.

As an example, as shown in FIG. 4, the irradiating means emits light of a specific color sent from the light source 1 through the transmission hose 2 in a line-like manner and emits the light uniformly. A tube may be applied, or a ground glass diffusion plate or the like may be used.

As shown in FIG. 4 as an example, the irradiation means 3 is formed of a core 31 made of the same transparent material as that of the optical transmission hose 2 and a transparent material having a lower refractive index than the core 31. Of the inner peripheral surface which is in contact with 31, a clad 32 is formed on the half peripheral surface 32A having fine irregularities and the other half peripheral surface is not irregular. As the irradiation means 3,
It is also possible to use an optical transmission means 2 that is not covered with an outer cover and is made of an opaque material for shading.

In the irradiation means 3, the light sent from the optical transmission means 2 travels in the core 31, and on the half-circumferential surface 32B,
Although the light is totally reflected, a part of the light is not totally reflected on the half peripheral surface 32A, but can be transmitted through the clad 32 and efficiently emitted from the outer peripheral surface 32C to the outside.
In addition, an opaque outer cover 33 is attached to a semi-peripheral surface of the outer peripheral surface of the clad 32, which does not transmit light, to shield light.

As the irradiation means 3, it is also possible to use a light-scattering material obtained by dispersing a transparent material having a different refractive index from the matrix in an opaque matrix to form an optically inhomogeneous structure. Further, the light-scattering material may be formed into a rod shape to serve as an irradiation means, or may be formed into a flat plate shape or any other shape to emit light. Further, the irradiation means 3 may be a bundle of plastic fibers or glass fibers.

As the irradiation means, for example, as shown in FIG. 5, a spherical reflection scatterer in which a core 31 is formed of a viscous transparent material as an arc tube 3'and a highly reflective film is coated in the core 31 is used. It is also possible to mix 34, and in this case, high-efficiency light emission with higher brightness is possible.

Further, as shown in FIG. 6, for example, a through hole 35A is partially formed in the outer skin 35 fixed to the clad 32, and light is emitted to and emitted from the through hole 35A to the outside. Is also good. As a result, it becomes possible to illuminate in a point light emission state.

In the present invention, a beginner sets a marker for guiding the rear wheels on the road surface in order to change the steering wheel many times and bring the vehicle to the parking position at one time. FIG. 7 is a locus of the rear wheels of the vehicle when the vehicle is backed up and brought to the parking position, FIG. 8 is a long light-emitting body and a luminous body which serve as guides when the vehicle is brought to the parking position, and FIG. 9 is FIG. 10 shows a cross-sectional view of embedding a long light emitter.
Is the positional relationship between the light source for light transmission and the light transmission hose.

According to the illuminating device of the present invention, even with at least one light source, the illuminating light can be emitted and scattered linearly from the elongated illuminating means.
Since the part can be made to shine in a line shape, not only the excellent effect of improving the outer contour visibility of the part, but also the long illuminating means of the present invention is excellent in flexibility, Since it has the advantage that it is difficult to break due to vibration or compression, it is particularly excellent as a road lighting device that is susceptible to various damages. Furthermore, since the illuminating device of the present invention is also excellent in weather resistance, it is particularly excellent as an illuminating device to be used under conditions in which external stimuli such as wind and rain and salt water are constantly received.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing an example of a lighting device according to the present invention.

FIG. 2 is an optical path diagram showing an example of a state between a light source and a light transmission hose according to the present invention.

FIG. 3 is a sectional view showing an optical transmission hose according to the present invention.

FIG. 4 is a cross-sectional view showing an illumination means according to the present invention.

FIG. 5 is a cross-sectional view showing another example of the illumination means according to the present invention.

FIG. 6 is a cross-sectional view showing still another example of the illumination means according to the present invention.

FIG. 7 is a vehicle rear wheel locus according to the present invention.

FIG. 8 is an example of a long-sized light emitting body and a light storing body according to the present invention.

FIG. 9 is a cross section of a long-sized light emitter embedded according to the present invention.

FIG. 10 shows an arrangement of an optical transmission light source and an optical transmission hose according to the present invention.

[Explanation of symbols]

 1, light source 2, light transmission hose 3, 3 ', 3 "lighting means

Claims (3)

[Claims] 1. A long illuminating means that emits light transmitted by an optical transmission means connected to a light source continuously in a line shape or intermittently in a line shape by digging a groove in a road surface and embedding it. This is a lighting device for vehicle route guidance. 2. A lighting apparatus for guiding a roadway of a vehicle, wherein the lighting means according to claim 1 is embedded in a road surface of a vehicle parking lot or a driving school in a driving school by digging a groove. 3. The lighting means according to claim 1, wherein the lighting means is in the form of a viscous liquid,
Vehicle guideway characterized by comprising a solid or gel core and a tubular clad having a smaller refractive index and flexibility than the core and enclosing the core Lighting equipment.