JP2012193497A - Installation structure of delineator and delineator for use in the installation structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an installation structure of a delineator, capable of safely continuing the function of visual guidance, and the delineator for use therein.SOLUTION: A first delineator and a second delineator each having a reflector 5 with a retroreflection surface facing in one direction, a light emitting diode, and a light projection part 6 which focuses the light emitted from the light emitting diode with a focusing lens and projects the light in the direction opposite to the retroreflection surface are arranged in a row spaced apart from each other, with the projection parts 6 facing in the travelling direction of a vehicle. The light projected from the projection part 6 of the first delineator installed behind the second delineator is projected to the retroreflection surface of the reflector 5 of the second delineator installed in front of the first delineator. The installation allows the light to be projected forward, in the initial travelling direction of the vehicle, so that the projected light hardly causes such a problem that the projected light directly enters the eye of the driver of a vehicle travelling on a road.

Description

  The present invention relates to an installation structure of a gaze guidance sign that is installed mainly on a road shoulder or a median strip of a road and guides the gaze of a driver of a vehicle, and a gaze guidance sign used in this installation structure.

  Various inventions have been disclosed in the past for traffic safety products that are installed on the shoulders of the road and show the alignment of the road to the driver of the traveling vehicle by the emitted light.

  For example, Patent Document 1 discloses a laser oscillator that is installed on a guard rail and emits a red laser beam along the length of the guard rail, and is positioned opposite to the laser oscillator. There is disclosed a vehicle guidance device in which a reflection mirror that reflects toward the laser oscillator side is installed.

Japanese Patent Laid-Open No. 08-030900

  However, a vehicle guidance apparatus such as Patent Document 1 uses a laser beam light reflected on dense fog or exhaust gas particles to make a formed light band visible to a vehicle driver or the like. When the direction of the emitted laser beam deviates due to contact with vehicles or flying objects, there is a problem that it may enter the eyes of the vehicle driver and cause damage, resulting in an accident. It was.

  Therefore, the present invention provides a gaze guidance mark installation structure capable of safely continuing the gaze guidance function and a gaze guidance mark used therefor.

In order to achieve the above object, the present invention is configured as follows.
That is, the line-of-sight guide installation structure according to the present invention condenses a reflector provided with a retroreflecting surface in one direction, a light emitting diode, and light emitted from the light emitting diode with a condenser lens. The first visual guidance indicator and the second visual guidance indicator are provided with a light projecting unit that emits in a direction opposite to the retroreflective surface, and the light projecting unit is spaced apart from each other. The light emitted from the light projecting portion of the first gaze guidance mark arranged in the direction of travel of the vehicle and installed behind the second gaze guidance mark is in front of the first gaze guidance mark. The second line-of-sight guidance mark installed on the projector is projected onto the retroreflective surface of the reflector.

A reflector provided with a retroreflective surface in one direction, a light emitting diode, and a projection that condenses the light emitted by the light emitting diode by a condenser lens and emits the light in a direction opposite to the retroreflective surface. The first gaze guidance mark and the second gaze guidance mark provided with a light portion are arranged with a space between each other and the light projecting portion in the traveling direction of the vehicle. Recursion of the reflector of the second line-of-sight guide mark that has been emitted from the light projecting portion of the first line-of-sight guide mark installed behind the line-of-sight guide mark. Since the light is projected onto the reflecting surface, particles such as fog, rain, and exhaust gas are irradiated between the light projecting portion of the first visual guidance indicator and the reflector of the second visual guidance indicator. As a result, a light band is formed, and the vehicle driver traveling on the road can clearly recognize the road alignment. Can.
Further, since the light from the light projecting part of the first visual guidance indicator is projected onto the retroreflective surface of the reflector of the second visual guidance sign, it is retroreflected from the reflector toward the light projecting part. The light contributes to the formation of the light band.
In addition, even when the direction of the first gaze guidance mark is deviated due to a vehicle contact or the like and the direction of the light from the light projecting unit is deviated, light is projected toward the front, which is the traveling direction of the vehicle at the beginning. Since it is provided, the problem that the projected light directly enters the eyes of the driver of the vehicle traveling on the road is less likely to occur.
In addition, since the light from the light projecting portion of the first visual guidance indicator is projected onto the retroreflective surface of the reflector of the second visual guidance indicator, the direction of the second visual guidance indicator by contact with the vehicle or the like Even when there is a deviation, the projected light is less likely to be reflected outside the direction of the light projecting portion of the first gaze guidance mark that is the light source, and the driver's eyes of the vehicle in which the reflected light travels on the road The problem of entering the vehicle directly is less likely to occur, and the problem of causing the vehicle driver to misrecognize by forming a light band at a position different from the original road alignment is less likely to occur.

In addition, since the light emitted from the light emitting diode of the first line-of-sight guide is condensed by a condensing lens and emitted from the light projecting unit, the light from the light projecting unit is driven by the vehicle unlike a laser beam or the like. Even if it enters directly into the eyes of a hand or the like, problems that damage the eyes are less likely to occur.
In addition, the first gaze guidance mark and the second gaze guidance mark each include a reflector having a retroreflective surface directed backward opposite to the traveling direction of the vehicle. Even when the projection is stopped, each of the reflectors recursively reflects the headlight light of the vehicle and is visually recognized by the vehicle driver, so that the function as a gaze guidance mark indicating the alignment of the road is continued. The

  In addition, if the light emitted radially from the light-emitting diode of the first line-of-sight guide mark is condensed by the condenser lens so as to be projected in parallel from the light projecting unit, the first installed before and after the first Even if the interval between the first gaze guidance mark and the second gaze guidance mark becomes large, the diffusion of light from the light projecting unit is suppressed to become strong light, and the first gaze guidance mark and the second gaze guidance mark A band of light can be formed more clearly between the guide mark.

  According to the installation structure of the gaze guidance mark according to the present invention and the gaze guidance mark used therefor, the function of gaze guidance can be safely continued.

1A and 1B show a form of a state in which a line-of-sight guidance mark according to the present invention is installed, in which (a) is a rear view and (b) is a front view. 1A is a rear view, FIG. 1B is a side view, and FIG. 1C is a front view. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. The other form of implementation of the gaze guidance mark which concerns on this invention is shown, (A) is a rear view, (B) is a side view, (C) is a front view. It is AA sectional drawing of FIG. FIG. 7 is an enlarged view of FIG. 6 showing the periphery of the condensing lens formed on the line-of-sight guide mark of FIG. It is a top view which shows one Embodiment of the installation structure of the gaze guidance mark which concerns on this invention.

Embodiments of the present invention will be specifically described with reference to the drawings.
In the drawing, 1 is a gaze guidance mark.
The line-of-sight guide 1 is attached to the upper end of an upright cylindrical column S and is juxtaposed on the side of the road, etc., so that the alignment of the road is shown to the driver of the vehicle.
The line-of-sight guide 1 includes a reflector 5 having a retroreflecting surface that reflects irradiated light in the direction of the light source, and a light projecting unit 6 that emits light forward.

2 shows the line-of-sight guide 1 of FIG. 1, (A) is a rear view, (B) is a side view, (C) is a front view, and FIG. 3 is an AA view of FIG. FIG. 4 is a sectional view taken along the line BB of FIG.
The line-of-sight guide 1 according to the present embodiment includes a main body 2 including the reflector 5 and the light projecting unit 6, and a mounting portion 3 provided below the main body 2.

  The main body 2 is formed in a substantially short cylindrical shape with the axial direction facing forward and backward, the reflector 5 is provided on the rear surface formed in the circular shape, and the light projection is similarly formed on the front surface formed in the circular shape. Part 6 is provided. Further, curved plate-like ridges 7 formed along the outer peripheral side surface of the upper half of the main body 2 are formed so as to protrude forward and backward, respectively, and the reflector 5 and the light projecting portion 6 is provided so as to suppress the snowfall and rain on 6.

A support portion 23 that protrudes downward is formed at the lower end of the main body portion 2, and a pair of external fitting portions 33 that are formed in a plate shape and protrude upward are formed at the upper end of the attachment portion 3. Has been.
Specifically, the support portion 23 is formed in a lateral semi-cylindrical outer shape, and its axial direction is directed to the left and right lateral direction of the main body portion 2 and its outer peripheral side surface is directed downward.
The pair of outer fitting portions 33 formed on the mounting portion 3 is formed in a semicircular shape with the interval corresponding to the interval between the left and right side surfaces of the support portion 23. The support side surface 23 a of the support portion 23 is attached so as to be sandwiched between the outer fitting portions 33.
Specifically, each through fitting portion 33 of the mounting portion 3 is formed with a circular through hole 34, and each support side surface 23 a of the support portion 23 has a columnar protrusion 23 b protruding in the lateral direction. Each is formed.
Then, the support portion 23 is attached to the attachment portion 3 so that the projections 23b are inserted into the through holes 34 and can be rotated between the outer fitting portions 33 around the projections 23b. It has been.
By providing in this way, the direction of the front surface and the rear surface of the main body 2 of the line-of-sight guide 1 attached to the upper end of the support column S can be adjusted in the vertical direction.

The attachment portion 3 includes a cylindrical portion 31 that is formed in a cylindrical shape that opens downward, a top plate portion 32 that closes the upper end of the cylindrical portion 31, and a plate shape that protrudes upward from the upper surface of the top plate portion 32. An external fitting portion 33 is provided.
Two screw holes 35 penetrating the cylindrical wall are formed in the cylindrical portion 31, and a female screw is formed inside the screw hole 35.
Moreover, the said cylindrical part 31 is formed in the magnitude | size corresponding to the outer diameter of the support | pillar S in the internal diameter, and it is formed so that the upper end of the support | pillar S can be inserted in the inner side.
Then, the upper end of the column S is inserted into the cylindrical portion 31 and the tip of a mounting screw (not shown) screwed into the screw hole 35 is pressed against the outer surface of the column S, whereby the mounting unit 3 Is attached to the upper end of the column S.
By forming the attachment portion 3 as described above, the attachment portion 3 can be rotated at the upper end of the column S in a state where the attachment screw is loosened. By providing in this way, the direction of the front surface and the rear surface of the main body 2 of the line-of-sight guide 1 attached to the upper end of the column S can be adjusted in the horizontal direction.

The line-of-sight guide 1 of the present embodiment is provided so as to emit light emitted from a light emitting diode built in the main body 2 from a light projecting unit 6 provided on the front surface.
Specifically, as shown in FIG. 4, the light projecting unit 6 of the present embodiment closes the opening formed on the front surface of the main body 2 provided in a hollow shape with a protective cover 65 having translucency. It is provided in such a structure.
The main body 2 includes a light emitting diode 61 that emits light forward, and a condensing lens 62 is disposed between the light emitting diode 61 and the protective cover 65.

  The light emitting diode 61 that is generally used emits light radially, but the line-of-sight guide 1 of the present embodiment makes light L1 emitted radially from the light emitting diode incident on the condenser lens 62 to be parallel. It is provided so that it may condense so that it may radiate to. The light emitted from the condenser lens 62 is emitted to the rear of the main body 2 through the protective cover 65.

Further, the line-of-sight guide 1 of the present embodiment is provided with a disk-shaped reflector 5 on the rear surface.
Specifically, the reflector 5 is attached to the front surface of the main body 2 with the retroreflective surface facing rearward so that the light irradiated from the rear is retroreflected in the direction of the light source.

FIG. 5 shows another embodiment of the gaze guidance mark 1 according to the present invention, (A) is a rear view, (B) is a side view, and (C) is a front view. FIG. 6 is a cross-sectional view taken along line AA in FIG. 5.
The gaze guidance mark 1 of this embodiment is the main matter from which the structure of the light projection part 6 provided in the front differs from embodiment of the gaze guidance mark 1 shown in the said FIGS.

That is, the line-of-sight guide 1 of the present embodiment includes a main body 2 including a reflector 5 having a retroreflective surface and a light projecting unit 6, as in the embodiment of the line-of-sight guide 1 shown in FIGS. And an attachment portion 3 provided below the main body portion 2.
Further, the line-of-sight guide 1 of the present embodiment is formed with a support portion 23 that protrudes downward at the lower end of the main body 2 as in the embodiment of the line-of-sight guide 1 shown in FIGS. A pair of outer fitting portions 33 projecting upward are formed at the upper end of the mounting portion 3 so that the support portion 23 can be rotated so as to be sandwiched between the outer fitting portions 33. The direction of the front and rear surfaces of the main body 2 of the line-of-sight guide 1 attached to the upper end of the column S can be adjusted in the vertical direction.
Moreover, the gaze guidance mark 1 of this embodiment is the same as the gaze guidance mark 1 embodiment shown in FIGS. 2 to 4, and the mounting portion 3 has a cylindrical portion 31 formed in a cylindrical shape that opens downward. A screw hole 35 penetrating through the cylindrical wall is formed, and the upper end of the support column S is inserted into the cylindrical part 31, and the tip of the mounting screw screwed into the screw hole 35 is placed outside the support column S. The attachment portion 3 is attached to the upper end of the column S by pressing against the side surface, and the front surface of the body portion 2 of the line-of-sight guide 1 attached to the upper end of the column S by loosening the attachment screw. And the direction of the rear surface can be adjusted in the horizontal direction.

The line-of-sight guide 1 of the present embodiment includes six light emitting diodes 61, and emits light emitted from the respective light emitting diodes 61 arranged at intervals from the light projecting unit 6 provided on the front surface of the main body 2. It is provided to discharge backward.
Specifically, six recesses 69 that are recessed in a truncated cone shape are formed on the front surface of the main body 2, and each light emitting diode is mounted in each recess 69.
And the translucent protective cover 65 arrange | positioned ahead of each said recessed part 69 and each light emitting diode 61 is attached to the front surface of the said main-body part 2, and forms the light projection part 6 specifically ,. A protective cover 65 is provided so as to cover the recesses 69 and the light emitting diodes 61, and the light from the light emitting diodes 65 is transmitted through the protective cover 65 and projected to the front of the main body 2. It is made like that.
The protective cover 65 of the present embodiment includes a cover plate portion 66 formed in a substantially disk shape, and a cylindrical cover tube portion 68 formed so as to extend forward from the edge of the cover plate portion 66. The protective cover 65 is attached to the main body 2 so that the concave portions 69 and the light emitting diodes 61 are accommodated inside the cover cylinder portion 68.

  A condensing lens 62 that is a convex lens is integrally formed on the cover plate portion 66 of the protective cover 65. This condensing lens 62 is formed in a total of six, one at a position corresponding to each concave portion 66, and the light emitted from each light emitting diode 61 in each concave portion 66 is incident and condensed. It is provided so as to be discharged forward of the main body 2.

FIG. 7 is an enlarged view of FIG. 6 showing the periphery of the condenser lens 62 formed on the line-of-sight guide in FIG.
Each condensing lens 62 of the present embodiment is formed integrally with the protective cover 65 with the cover plate portion 66 formed in a lens shape, and has an outer lens portion 62 a that protrudes outside the cover plate portion 66. Each condensing lens 62 is composed of an inner lens portion 62 b protruding inward of the cover plate portion 66.
The outer lens portion 62a is formed by projecting the outer surface of the cover plate portion 66 into a lens surface shape.
Further, in the inner lens portion 62b, the inner surface of the cover plate portion 66 protrudes in a cylindrical shape, and a lens surface-shaped depression is formed on the protruding surface protruding in a circular shape.
The condenser lens 62 is provided so that the curvature of the lens surface of the outer lens portion 62a is larger than the lens surface of the inner lens portion 62b so that each condenser lens 62 functions as a convex lens. As shown in FIG. 7, the light L1 emitted radially from each light emitting diode 61 is respectively incident and condensed so as to be emitted in a parallel direction.

The said condensing lens 62 used for the gaze guidance mark of the said form condenses the light L1 emitted radially, and radiate | emits it as the parallel light L2, and uses it by selecting or combining the various lens bodies which function as a convex lens. can do. For example, the condensing lens 62 of the embodiment shown in FIGS. 2 to 4 uses a Fresnel lens to reduce its thickness and facilitate the interior to the main body 2, but is not limited to this. You may use the convex lens used. In the embodiment shown in FIGS. 5 to 7, a Fresnel lens may be formed on the plate portion 66 of the protective cover 65.
Further, the condensing lens 62 may be configured by combining a plurality of lenses without forming the condensing lens 62 with one lens.

FIG. 8 is a plan view showing an embodiment of the installation structure of the visual guidance indicator according to the present invention.
In the drawing, 1A is a first line-of-sight guidance mark, and 1B is a second line-of-sight guidance mark.
1 is used for each of the first gaze guidance mark 1A and the second gaze guidance mark 1B of the present embodiment, and is attached to the upper end of the upright column S. Yes.
The first line-of-sight guide 1A and the second line-of-sight guide 1B are installed on the road R with a space therebetween, and the traveling direction of the vehicle C traveling on the road R is assumed to be forward. In addition, the first line-of-sight guide mark 1A is disposed behind and the second line-of-sight guide mark 1B is disposed in front of it.

  In the first gaze guidance mark 1A and the second gaze guidance mark 1B, since the reflector 2 having the retroreflective surface is directed rearward, the headlight light L5 of the vehicle C traveling on the road R Is reflected on the vehicle C, which is the light source direction, and is reflected by the driver of the vehicle C to visually alert the driver and grasp the road alignment. Can be done.

Further, the first gaze guidance mark 1A adjusts the orientation of the main body 2 so that the light L3 projected from the light projecting section 6 is projected onto the reflector 2 of the second gaze guidance mark 1B. Installed.
By installing each of the line-of-sight guides 1A and 1B as described above, fog, snow, rain, exhaust gas particles, etc. are irradiated to the light L3, and the light projecting unit of the first line-of-sight guide 1A 6 and the reflector 2 of the second line-of-sight guidance mark 1B are formed so that a band of light is visually recognized, and allows a vehicle driver or the like traveling on the road R to clearly recognize the road alignment. be able to.

Further, since the light L3 is projected onto the retroreflective surface of the reflector 5 of the second visual guidance indicator 1B, the first visual guidance indicator 1A in which the light L4 retroreflected by the reflector 2 is in the light source direction. The light L4 reflects fog, snow, rain, exhaust gas particles, etc. between the first line-of-sight guide 1A and the second line-of-sight guide 1B. The band of light that is irradiated and formed is made brighter and more clearly visible.
In addition, since the light L3 from the light projecting unit 6 of the first line-of-sight guide 1A is projected onto the reflector 5 of the second line-of-sight guide 1B, the second line-of-sight guide 1B is caused by contact with the vehicle or the like. Even when the direction of is deviated, the reflected light L4 of the light L3 is made difficult to be reflected in directions other than the direction of the first line-of-sight guide 1A as the light source, and the reflected light L4 is the driver of the vehicle C traveling on the road R. Problems that directly enter the eyes are less likely to occur, and problems such as forming a light band at a position different from the original alignment of the road R and causing the vehicle driver to misrecognize are less likely to occur.

  The first line-of-sight guide mark 1A and the second line-of-sight guide mark 1B are installed so as to project the light L3 from each light projecting unit 6 to the rear, which is the traveling direction of the vehicle traveling on the road R. Therefore, even when the direction of the first visual guidance mark 1A or the second visual guidance mark 1B is deviated due to a vehicle contact or the like and the direction of the light from the light projecting unit 6 is deviated, the projected light L3 Is less likely to directly enter the eyes of the driver of the vehicle C traveling on the road.

  The line-of-sight guide installation structure according to the present invention has a reflector 5 with a retroreflective surface facing forward, a light-emitting diode 61, and a condensing lens 62 that condenses the light from the light-emitting diode 61. Since it can be constituted by the first gaze guidance mark 1A and the second gaze guidance mark 1B provided with the light projecting unit 6 for projecting light backward, the structures of the gaze guidance marks 1A and 1B are shown in FIG. The embodiment shown in FIG. 4 and the embodiment shown in FIGS. 5 to 7 are not limited, and a suitable member or structure is selected as appropriate, and the first visual guidance indicator 1A and the second visual guidance indicator 1B. And may be formed.

The line-of-sight guide 1 according to the present invention condenses the light emitted radially from the light-emitting diode 61 so as to be emitted in the parallel direction by the condenser lens 62, but for emitting in the parallel direction here. Condensation is to increase the intensity of light by suppressing the diffusion of light in order to form a clearer band of light between the first gaze guidance mark and the second gaze guidance mark. Therefore, it is not necessary to control the light collection until the light becomes perfect parallel light.
Specifically, the emitted light may be condensed so as to be slightly more radial than perfect parallel light.

DESCRIPTION OF SYMBOLS 1 Line-of-sight guidance mark 2 Main body part 23 Support part 23a Support side surface 23b Projection part 3 Attachment part 31 Tube part 32 Top plate part 33 Outer fitting part 34 Through hole 35 Screw hole 5 Reflector 6 Light projection part 61 Light emitting diode 62 Condensing lens 65 Protective cover 66 Cover plate portion 68 Cover tube portion 69 Recess 7 Eaves S Post

Claims (3)

  A reflector provided with a retroreflective surface in one direction, a light emitting diode, and the light emitted from the light emitting diode is collected by a condenser lens and directed in a direction opposite to the retroreflective surface The first gaze guidance mark and the second gaze guidance mark, each having a light projecting section to be emitted, are arranged in a row with the light projecting sections facing the traveling direction of the vehicle, The light emitted from the light projecting portion of the first gaze guidance mark installed behind the second gaze guidance mark is reflected by the second gaze guidance mark installed in front of the first gaze guidance mark. A gaze guidance mark installation structure characterized by being projected onto a retroreflecting surface of the body.   The said line-of-sight guide mark is condensed by the said condensing lens so that the light emitted radially from the light emitting diode may be discharge | released from the said light projection part in parallel. Installation structure of gaze guidance mark.   A gaze guidance mark that is the gaze guidance mark used in the gaze guidance mark installation structure according to claim 1 or 2.

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