JP2009054558A - Optical light source bridge light - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an optical light source bridge light which can illuminate a surrounding of a bridge in a high luminance and can illuminate elegantly to improve safety at night and can save a power cost by using a solar battery. <P>SOLUTION: The bridge light mounted on a bridge portion is provided with a light emitting body composed of an optical medium having a front surface of a light emitting surface, a rear surface to face the front surface, a light transferring portion connecting the front surface and the rear surface, and a concave portion of which the top end if positioned inside the light transferring portion along a direction of the front surface from a part of the real surface, a semiconductor light emitting element with a both surface light emitting structure which is housed in the concave portion and is composed so that light emitted in a front direction can enter into the top end portion of the concave portion and simultaneously can emit light in a rear direction, and a rear mirror to reflect the emitted light of the semiconductor light emitting element in a rear direction which enters through a side wall portion of the concave portion. The optical medium of the light-emitting body is provided with coloring. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a bridge ridge mounted on a river, a valley, or a bridge installed on the sea, and in particular, an optical light source body that can illuminate the periphery of the bridge with high power and elegance with low power. Concerning bridge walls.

  Various types of bridges are usually installed for people and cars to move over valleys, rivers and the sea. Typical types of bridges include cable-stayed bridges, suspension bridges, arch bridges, truss bridges, loop bridges, etc., which are used in various ways depending on the construction site and purpose of use.

In particular, there is a bridge lamp attached to a bridge or a pier in order to show a safety channel for a ship or the like navigating under the bridge (see, for example, Patent Document 1).
The bridge lamp of the above-mentioned patent document 1 is mounted on a guide rail main body provided so as to project laterally on a bridge or a pier, with a lamp mounting base attached so as to be guided by the rail portion. The rail portion at the tip of the rail body is provided so as to bend or incline forward and downward, and one end of an operation rod is connected to the lamp mount, and the lamp is mounted on the lamp mount. The lamp mounting base is mounted at a position where the lamp faces downward when the lamp mounting base moves along the tip rail portion of the guide rail body.
Japanese Utility Model Publication No. 02-150704

  However, the bridge light of the above-mentioned patent document 1 is for showing a safe water channel for a ship or the like navigating under the bridge, and could not illuminate the entire bridge at night with high brightness. Moreover, since the lamp was kept in a lit state, the appearance and appearance of the bridge were not improved.

  Therefore, in view of the above points, the present invention provides an optical light source that can improve safety at night and can eliminate power costs by using solar cells by illuminating the periphery of the bridge with high brightness and elegance. The purpose is to provide body bridges.

  In order to solve the above problems, the optical light source body bridge ridge according to the present invention is a bridge ridge mounted on a bridge portion, and the bridge ridge emits light by a power supply device, which is a light emitting surface, facing the front surface. And an optical transmission unit that connects the front surface and the rear surface, and a concave portion that is formed so that a tip portion is positioned inside the optical transmission unit from a part of the rear surface along the front surface direction. A medium, a semiconductor light-emitting element having a double-sided light emitting structure configured so that light that is stored in the concave portion and exits in the front direction is mainly incident on the front end portion of the concave portion and emits light in the reverse direction at the same time; A light emitter comprising a rear mirror disposed on the rear surface of the light emitting medium is mounted so as to reflect light emitted in the back direction of the semiconductor light emitting element incident through the side wall. The optical medium of the light emitter was colored. The power supply device was a solar cell device. The power supply device was a commercial power supply. The power supply device is an electric double layer capacitor. Further, the power supply device is provided with a blinking device for blinking the light emitter.

  The optical light source body bridge fence of the present invention is composed of a light emitter composed of an optical medium that emits light from a power supply device and a flashing device that blinks the light emitter, so that the entire bridge is illuminated with high brightness at night. In addition to improving safety, it is possible to gracefully illuminate the bridge with a flashing device, and it is possible to gracefully project the entire bridge by coloring the optical medium. Furthermore, by making the power supply device a solar cell device, it becomes possible to eliminate power costs and power equipment.

Embodiments of an optical light source body bridge ridge according to the present invention will be described below with reference to the drawings.
The optical light source body bridge shown in FIG. 1 and FIG. 2 is a bridge rod attached to the bridge A portion, and the optical light source body bridge rod 1 includes a power supply device 20 and an optical medium that emits light from the power supply device 20. And the light emitter 10.

  The light emitter 10 is installed on the base 2, and the base 2 is installed on the side surface of the H steel B constituting the bridge A. The power supply device 20 is attached to the upper surface of the H steel B. A plurality of the optical light source bridges 1 are mounted on the bridge pier 3, the floor 4, the arch 5, etc. of the bridge A.

  The light emitter 10 is composed of an optical medium 11 that can focus and radiate light emitted from a light source to the front surface in a spot shape. In addition, when a semiconductor light emitting device having a double-sided light emitting structure is used, all stray light components including a light emitting component on the back side can be effectively contributed to illumination. It is a light emitter capable of obtaining a desired illuminance without being required.

  Further, the light emitter 10 can be expected to be reduced in size and price, and can be applied not only to spot irradiation but also to diffusion. Long life, low power consumption, noiseless, no UV emission, no flickering, easy light intensity adjustment, low temperature light source, high stability, easy modulation, superior switching characteristics, full color support It has many merits such as high directivity and extremely high light conversion efficiency.

  Further, as shown in FIG. 3A, the light emitter 10 includes a front surface serving as a light emitting surface, a rear surface facing the front surface, an optical transmission unit connecting the front surface and the rear surface, and a part of the rear surface to the front surface. An optical medium (bulk lens) 11 having at least a concave portion formed inside the optical transmission unit along the direction, a semiconductor light emitting element 12 accommodated in the concave portion, and a rear mirror 13 disposed on the rear surface of the optical medium 11. It consists of. Further, the rear mirror 13 is formed to extend to a part of the side surface of the optical medium 11. This light emitter is a known technique disclosed in Japanese Patent No. 3300778, and the optical light source bridge 1 of the present invention uses the light emitter 10 described above.

  3B is a corresponding cross-sectional view of the light emitter 10. Reference numeral 14 denotes an LED holder, 15 denotes a chip, 16 denotes a resin mold, 17 denotes a first pin, 18 denotes a second pin, 19 Indicates the refractive index, respectively.

  As another preferred example, it is desirable to color the optical medium 11 of the light emitter 10. The color to be applied is preferably orange, yellow, red or the like having high luminance, and blue or green can also be applied. Further, the color applied to the optical medium 11 may be unified or arbitrarily changed depending on the location of the light emitter 10 disposed.

  The power supply device 20 supplies power to the light emitter 10 and causes the light emitter 10 to emit light with high luminance. In particular, the power supply device 20 is preferably a solar cell device 21. The solar cell device 21 is formed by a solar panel, a charger, an optical sensor, or the like. Moreover, the solar panel in the said solar cell apparatus 21 can be mounted | worn with the upper surface of H steel B, for example, as shown in FIG.

  As another preferred example, the power supply device 20 is a commercial power supply 22. The commercial power source 22 is a power source supplied to general households and factories, and the light emitter 10 can emit light by inserting an outlet into a plug. By using the commercial power supply 22 as a power supply device, the light emitter 10 can be made to emit light in a familiar and easy manner.

  As another preferred example, the power supply device 20 is an electric double layer capacitor 23. The electric double layer capacitor 23 can be charged in an extremely short time and can be discharged for a long time. Further, since the internal resistance is low and the heat loss at the time of charging / discharging is small, the deterioration is extremely small even when charging / discharging is repeated. By making the power supply device 20 the electric double layer capacitor 23, when the light emitter 10 is caused to emit light, an excellent effect in terms of economy and convenience can be obtained.

  As another preferred example, a flashing device 30 is provided between the light emitter 10 and the power supply device 20. The blinking device 30 turns on / off the power to the light emitter 10 and automatically repeats the light emission of the light emitter 10 at appropriate intervals.

  With the optical light source bridge ridge of the present invention having the above-described configuration, as shown in FIG. 4, the pier 3, the floor 4, the arch 5 and the like of the bridge A emit light with high brightness, and the ship travels at night. While improving safety, it is possible to ensure the safety of vehicles, trains, etc. that run on bridges.

  In addition, by providing a blinking device that blinks the light emitter, the bridge can be illuminated elegantly, and by coloring the optical medium, the entire bridge can be projected in various colors.

It is sectional drawing of the optical light source body bridge ridge of this invention. The optical light source body bridge ridge is in use. (A) is a typical bird's-eye view which shows a light-emitting body, (b) is a corresponding sectional view. It is a general view of a bridge equipped with an optical light source body bridge ridge.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Optical light source body Bridge 2 Base 3 Bridge pier 4 Floor part 5 Arch part 10 Light-emitting body 11 Optical medium 12 Semiconductor light-emitting device 13 Back mirror 14 LED holder 15 Chip 16 Resin mold 17 First pin 18 Second pin 19 Refractive index 20 Power Supply Device 21 Solar Cell Device 22 Commercial Power Supply 23 Electric Double Layer Capacitor 30 Flashing Device A Bridge

Claims (6)

  A bridge rod attached to a bridge portion, the bridge rod having light emitted from a power supply device, a front surface serving as a light emitting surface, a rear surface facing the front surface, an optical transmission unit connecting the front surface and the rear surface, An optical medium having a concave portion formed so that a tip portion is positioned inside the optical transmission portion along a front surface direction from a part of the rear surface, and light that is housed in the concave portion and exits in the front direction mainly. A semiconductor light emitting device having a double-sided light emitting structure configured to enter the front end of the recess and simultaneously emit light in the back direction, and light emission in the back direction of the semiconductor light emitting device incident through the side wall of the recess. An optical light source bridge ridge, comprising: a light emitter comprising a rear mirror disposed on the rear surface of the light emitting medium so as to reflect light.   The optical light source bridge ridge according to claim 1, wherein the optical medium of the light emitter is colored.   The optical light source bridge ridge according to claim 1 or 2, wherein the power supply device is a solar cell device.   The optical light source bridge ridge according to claim 1, wherein the power supply device is a commercial power supply.   The optical light source bridge ridge according to claim 1 or 2, wherein the power supply device is an electric double layer capacitor.   The optical light source bridge ridge according to any one of claims 1 to 5, further comprising a blinking device for causing the power supply device to blink a light emitter.

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