JP2018077951A - Visual guidance light for road, and visual guidance equipment for road - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a visual guidance light for a road, which can emit light capable of performing a proper visual guidance function in conditions of a snowfall, a snowstorm and the like, by preventing snow from reaching a light emission part of a housing or preventing an icicle from reaching the light emission part.SOLUTION: In a visual guidance light 1 for a road, a light source is housed toward the side of a front surface 22 of a housing 2. A top surface 21 of the housing 2 is provided to be inclined downward toward a rear side from an approximately front end. The front surface 22 of the housing 2 is provided to be inclined backward toward the downside from an approximately upper end. A light emission part for emitting light is provided in a position to be biased toward the downside of the front surface 22 of the housing 2. The upside of the light emission part of the front surface 22 serves as a non-light-emission region.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a road gaze guidance lamp and a road gaze guidance facility capable of ensuring a gaze guidance function for a driver in the event of snowfall or snowstorm.

  2. Description of the Related Art Conventionally, there is a self-luminous line-of-sight guidance facility disclosed in Patent Document 1 as a road line-of-sight guide lamp that suppresses light shielding due to snowfall during a snowstorm or the like. This self-luminous line-of-sight guidance facility is a main light-emitting surface that is housed in a housing with a horizontal upper surface facing the front surface of the housing, is made of a transmissive material, and transmits the light output from the light source to radiate outside Is provided on the front surface of the housing, and the inclination angle of the main light emitting surface with respect to the normal from the ground is set to approximately 40 degrees or more, and it is difficult to snow on the main light emitting surface with a simple structure, and visibility It is said that it can properly emit light even in the event of a failure.

  In FIGS. 10 and 11 of Patent Document 1, the light source is housed in the housing toward the front and rear surfaces of the housing, the main light emitting surfaces are provided on the front and rear surfaces of the housing, and the ground An example is disclosed in which the inclination angle of the main light emitting surface with respect to the normal from is set to approximately 40 degrees or more, and a cone structure or hemispherical structure is placed on the upper surface of the housing. This cone structure or hemispherical structure is arranged so that its apex is located at the approximate center in the front-rear direction of the casing, and the upper snow cover is slid along a slope or curved surface to Snow is dropped on the side and rear side.

JP 2006-328826 A

  By the way, in the example of the housing | casing with the horizontal upper surface of patent document 1, it accumulates on the upper surface of a housing | casing at the time of snowfall, a snowstorm, etc., and an ice column generate | occur | produces from the periphery of a housing | casing upper surface, and the upper part of a main light emission surface, depending on the case. Since there is a high possibility that icicles will be formed on the entire main light emitting surface, there is a risk that light cannot be emitted with an appropriate gaze guidance function in the event of snowfall or snowstorm.

  Further, in the example in which the snow is slid down on the main light emitting surface on the front surface side or the rear surface side of the housing with the conical structure or the hemispherical structure of Patent Document 1, snow is accumulated around the front edge and the rear edge of the housing upper surface. There is a high possibility that icicles will be generated from the leading and trailing edges. For this reason, as in the case of the case with the horizontal upper surface, the main light emitting surface on the front side of the case and the upper part of the main light emitting surface on the rear side, and in some cases, an icicle is applied to the entire surface. In this case, there is a risk that the light cannot be emitted with an appropriate gaze guidance function.

  The present invention is proposed in order to solve the above-mentioned problems, and it prevents snow from landing on the light emitting part of the housing and icicles from being applied to the light emitting part, and an appropriate line-of-sight guidance function in the event of snowfall or snowstorm. It is an object of the present invention to provide a road line-of-sight guide light and a road line-of-sight guidance facility capable of emitting light.

The road guide light for a road according to the present invention has a light source accommodated toward the front side of the casing, and the upper surface of the casing is provided so as to be inclined downward from the substantially front end toward the rear side. The front surface of the housing is provided so as to incline backward from the substantially upper end to the lower side, and a light emitting unit that emits light is provided at a position biased to the lower side of the front surface of the housing. The upper side of the light emitting portion is a non-light emitting region.
According to this, it is possible to move the snow in the event of snowfall or snowstorm backward by the upper surface of the housing inclined downward from the front end to the rear side, and to slide the snow from the side opposite to the light emitting part. In addition, it is possible to prevent the ice column from being applied to the light emitting portion. Furthermore, the front surface of the housing is inclined rearward from the substantially upper end to the lower side, and a non-light emitting area is provided on the upper side of the light emitting portion on the front surface, thereby preventing snow on the light emitting portion of the housing. Therefore, it is possible to emit light that can provide an appropriate line-of-sight guidance function in the event of snowfall or snowstorm.

In the road line-of-sight guide light of the present invention, an upper non-light-emitting region, which is the non-light-emitting region above the substantially rectangular light-emitting unit, is provided with a width of 15 mm or more, and side non-light-emitting regions are provided on both sides of the light-emitting unit, respectively. It is provided with a width of 10 mm or more.
According to this, the upper non-light emitting area having a width of 15 mm or more can surely prevent snow on the upper portion of the light emitting section, and the side non-light emitting area having a width of 10 mm or more can be attached to the side of the light emitting section. Snow can be reliably prevented, and light emission with an appropriate gaze guidance function can be reliably performed.

In the line-of-sight guide lamp for road according to the present invention, the light source is a light-emitting diode, and the optical axis of the light-emitting diode is set to an angle closer to the horizontal than the inclination angle of the normal to the front surface of the housing. It is characterized by.
According to this, it is possible to perform gaze-guided light emission that is easier for the driver to visually recognize, while preventing light emission from being blocked by snowfall or ice columns.

The line-of-sight guide light for a road according to the present invention is characterized in that a heat transfer section is provided for transferring heat generated by the light source from the rear side of the light source to the front surface of the housing.
According to this, it is possible to melt the snow on the front surface of the housing by utilizing the heat generated by the light source, and it is possible to more reliably prevent the snow on the light emitting part and the ice column from being applied to the light emitting part.

The road gaze guidance facility for road according to the present invention is arranged at a predetermined height outside the road shoulder of the road, and is provided so as to emit light toward the road. A snow removing guide plate is provided near the outer edge and closer to the road than the road gaze guidance light, and is installed at a lower height than the road gaze guidance light.
According to this, the snow removal guide plate can prevent the snow splashed by the snowplow from adhering to the road gaze guidance light, and the snow removal by the snowplow hinders the gaze guidance function of the road gaze guidance light. Decreasing can be prevented.

  ADVANTAGE OF THE INVENTION According to this invention, it can prevent that a snow pillar and a icicle are applied to the light emission part with respect to the light emission part of a housing | casing, and can perform light emission which can obtain a suitable gaze guidance function in the case of snowfall, snowstorm, etc. .

(A) is a side view of the gaze guidance lamp for roads of embodiment by this invention, (b) is the longitudinal cross-sectional explanatory drawing. The top view of the line-of-sight guide light for roads of an embodiment. The front view of the line-of-sight guide light for roads of an embodiment. Explanatory drawing of the gaze guidance equipment for roads of embodiment by this invention.

[Road Gaze Guidance Light and Road Gaze Guidance Equipment of Embodiment]
As shown in FIGS. 1 to 3, the road line-of-sight guide lamp 1 according to the embodiment of the present invention includes a housing 2 having a substantially inverted trapezoidal shape in a side view, a substantially rectangular shape in a plan view, and a front view. The upper surface 21 of the housing 2 is provided so as to incline downward from substantially the front end toward the rear side, and the front surface 22 of the housing 2 is provided so as to incline backward from the substantially upper end to the lower side. Side plates 71 and 71 of a substantially U-shaped support 7 fixed to the upper ends of the support pillars 9 that support the housing 2 are arranged on the side surfaces 23 on both sides of the housing 2 so as to extend outward. The side surface 23 and the side plate 71 are fixed by the fasteners 8 attached to the upper and lower portions.

  The fastener insertion hole 231 on the lower side of the side surface 23 is an elongated hole, and the housing 2 is tilted to adjust the position around the fastening portion by the upper fastener 8, and the required position of the fastener insertion hole 231 is adjusted. Thus, the casing 2 can be installed in a required inclined state by fastening with the fastener 8. If the housing 2 is installed so that the inclination angle of the front surface 23 from the ground is 45 degrees to 75 degrees, preferably 55 degrees to 65 degrees, the effect of snow removal may be obtained. The housing 2 is installed with the inclination angle of the front surface 23 from the ground set to 60 degrees.

  A light emitting diode 3 is provided as a light source at the front lower portion in the housing 2, and the light emitting diode 3 is accommodated in the housing 2 toward the front surface 22 side of the housing 2. The light emitting diode 3 is provided with its optical axis L set to an angle closer to the horizontal than the inclination angle of the normal N to the front surface 22 of the housing 2, and the optical axis L of the light emitting diode 3 of the present embodiment is substantially the same. It is level. Further, the light emitting diodes 3 of the present embodiment are provided in a vertical and horizontal arrangement on the front side of the LED substrate 4, and the optical axis L of each light emitting diode 3 is substantially horizontal. The wiring structure of the LED substrate 4 and the light emitting diode 3 is not shown.

  An opening 221 is formed on the front surface 22 of the housing 2 at a position biased downward, and the transmission protective plate 5 having a high light transmittance is fitted into the opening 221. In the present embodiment, a substantially rectangular opening is provided. A substantially rectangular transmission protection plate 5 is provided so as to close the portion 221. Each light emitting diode 3 is disposed so as to emit light from the transmission protection plate 5, and the transmission protection plate 5 fitted in the opening 221 constitutes a light emitting unit.

  An upper non-light emitting area NE1 is provided on the upper side of the transmission protection plate 5 corresponding to the light emitting portion of the front surface 22, and side non-light emitting areas NE2 are provided on both sides of the transmission protection plate 5, respectively. In the present embodiment, the upper non-light-emitting region NE1 is provided with a width of 15 mm or more on the upper side of the transmission protection plate 5 corresponding to the substantially rectangular light-emitting portion, and the sides are respectively provided on both sides of the transmission protection plate 5 corresponding to the substantially rectangular light-emitting portion. The non-light emitting area NE2 is provided with a width of 10 mm or more.

  In addition, a heat transfer section 6 is provided in the housing 2 to transfer heat generated by the light emitting diode 3 as a light source from the rear side of the light emitting diode 3 to the front surface 22 of the housing 2. In the present embodiment, the heat transfer section 6 is provided with a plate-like base 61 disposed on the rear side of the LED substrate 4 and extending portions 62 extending from both sides of the base 61 to the front surface 22. The portions are arranged along the front surface 22 on both sides of the opening 221, and the extended portion 62 is provided along the front surface 22 so as to extend to a length close to substantially the entire length in the height direction of the front surface 22. . The heat transfer section 6 is made of aluminum having high thermal conductivity.

  A road gaze guidance facility using the road gaze guidance lamp 1 is configured as shown in FIG. 4, for example. The road gaze guidance lamp 1 in the road gaze guidance facility is supported by the support pillar 9 from the ground 15 outside the road shoulder RS of the road R and is arranged at a predetermined height so as to emit light toward the road R. Is provided. Guard posts 11 are provided in the vicinity of the outer edge of the road shoulder RS at predetermined intervals in the direction in which the road R extends, and a snow removal guide plate 12 is fixedly provided so as to be bridged between the guard posts 11, 11. The snow removal guide plate 12 is installed at a predetermined height by the guard posts 11 and 11. The installation structure of the snow removal guide plate 12 is disposed near the outer edge of the shoulder RS, closer to the road than the road gaze guidance light 1, and at a lower height than the road gaze guidance light 1. If it is, it is not limited to the installation structure by the above-mentioned guard posts 11 and 11, and is appropriate.

  In this line-of-sight guidance facility for road, when the snowplow 13 runs on the road lane RL of the road R and snow removal work is performed, the snow S jumped up by the snowplow 13 hits the snow removal guide plate 12 and falls. The snow S splashed by the snow removal guide plate 12 can be prevented from adhering to the road gaze guidance light 1 and its front surface 22.

  According to the road line-of-sight guidance lamp 1 of the present embodiment, the upper surface 21 of the housing 2 that is inclined downward substantially from the front end to the rear side moves the snow in the event of snowfall or snowstorm to the rear, and the light emitting unit Snow can be slid down from the opposite side, and it is possible to prevent an icicle from being applied to the light emitting part. Further, the front surface 22 of the housing 2 is inclined rearward from the substantially upper end to the lower side, and the upper non-light emitting area NE1 is provided on the upper side of the light emitting portion of the front surface 22. Can be prevented. Therefore, it is possible to emit light that can provide an appropriate line-of-sight guidance function in the event of snowfall or snowstorm. Furthermore, by setting the width of the upper non-light emitting area NE1 to 15 mm or more, it is possible to reliably prevent snow on the upper part of the light emitting part, and by setting the width of the side non-light emitting area NE2 to 10 mm or more, It is possible to reliably prevent snow on the side of the light emitting unit, and to reliably perform light emission that provides an appropriate line-of-sight guidance function.

  Further, by setting the optical axis L of the light emitting diode to an angle closer to the horizontal than the inclination angle of the normal line N with respect to the front surface 22 of the housing 2, the driver is prevented from obstructing light emission due to snow or ice columns. It is possible to perform gaze-guided light emission that is easier to visually recognize. Further, by providing the heat transfer section 6 that transfers heat from the light source from the rear side of the light source to the front surface 22 of the housing 2, the snow on the front surface 22 of the housing 2 is melted using the heat generated by the light source. Thus, it is possible to more reliably prevent snow on the light emitting part and icy pillars from being applied to the light emitting part.

  In addition, according to the road line-of-sight guidance facility of the present embodiment, the snow removal guide plate 12 can prevent the snow S jumped up by the snowplow 13 from adhering to the road line-of-sight guide light 1, and the snowplow. It is possible to prevent the snow removal by No. 13 from inhibiting or reducing the line-of-sight guidance function of the road line-of-sight guide light 1.

[Included scope of the invention disclosed herein]
In addition to the inventions and embodiments listed as inventions, the invention disclosed in the present specification is specified by changing these partial contents to other contents disclosed in the present specification, to the extent applicable. Or those specified by adding other contents disclosed in the present specification to those contents, or those specified by deleting these partial contents to the extent that partial effects can be obtained and making them higher-level concepts Include. The invention disclosed in this specification includes the following modified examples and added contents.

  For example, the road line-of-sight guide lamp of the present invention includes a case in which the upper surface of the housing is inclined downward substantially from the front end to the rear side, and the upper surface of the housing 2 is directed from the front end of the housing 2 to the rear side. And the case where the upper surface of the housing 2 is inclined downward from the position near the front end of the housing 2 toward the rear side. Further, the road line-of-sight guide lamp of the present invention includes a case where the front surface of the housing is inclined rearward from the substantially upper end to the lower side, and the front surface 22 of the housing 2 is located below the upper end of the housing 2. And the case where the front surface 22 of the housing 2 is inclined backward from the position near the upper end of the housing 2 toward the lower side.

  Moreover, the shape of the light emission part in the visual line guide light for roads of this invention is not limited to a substantially rectangular shape, It is suitable in the range of the meaning of this invention, such as a substantially elliptical light emission part and a substantially circular light emission part. In addition, the shape of the heat transfer portion in the road line-of-sight guide lamp of the present invention is appropriate within the scope of the present invention. In addition, the mechanism for adjusting and installing the inclination angle of the line-of-sight guide light for roads of the present invention is not limited to the mechanism of the above embodiment, and is appropriate.

  The present invention can be used as a line-of-sight guide light for a driver of a vehicle traveling on a road.

DESCRIPTION OF SYMBOLS 1 ... Gaze guidance light for roads 2 ... Housing | casing 21 ... Upper surface 22 ... Front surface 221 ... Opening part 23 ... Side surface 231 ... Fastener insertion hole 3 ... Light emitting diode 4 ... LED board 5 ... Transmission protection board 6 ... Heat-transfer part 61 ... Base 62 ... Extension 7 ... Supporting tool 71 ... Side plate 8 ... Fastener 9 ... Supporting pillar 11 ... Guard post 12 ... Snow removal guide plate 13 ... Snowplow 15 ... Ground L ... Optical axis of light emitting diode N ... Method on front of housing Line NE1 ... Non-light emitting area on the upper side NE2 ... Non-light emitting area on the side R ... Road RS ... Road shoulder RL ... Driving lane S ... Snow

Claims (5)

A light source is housed toward the front side of the housing,
The upper surface of the housing is provided so as to be inclined downward from the substantially front end toward the rear side,
The front surface of the housing is provided so as to incline backward from the substantially upper end toward the lower side,
A road-use guide light for roads, wherein a light emitting unit that emits light is provided at a position biased to the lower side of the front surface of the housing, and the upper side of the light emitting unit on the front surface is a non-light emitting region. . An upper non-light emitting region that is the non-light emitting region on the upper side of the substantially rectangular light emitting unit is provided with a width of 15 mm or more;
2. The road line-of-sight guide lamp according to claim 1, wherein a side non-light emitting region is provided on each side of the light emitting portion with a width of 10 mm or more. The light source is a light emitting diode;
3. The line-of-sight guide light for a road according to claim 1, wherein an optical axis of the light emitting diode is set to an angle closer to a horizontal than an inclination angle of a normal to the front surface of the housing.   The road-use guide light for a road according to any one of claims 1 to 3, further comprising a heat transfer section that transfers heat of the light source from a rear side of the light source to the front surface of the housing. . The line-of-sight guide lamp for road according to any one of claims 1 to 4, which is disposed at a predetermined height outside a shoulder of a road and is provided so as to emit light toward the road,
A road having a snow removal guide plate disposed near the outer edge of the road shoulder and closer to the road than the road gaze guidance light and installed at a lower height than the road gaze guidance light. Gaze guidance equipment.

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