JP3062690B1 - Railroad crossing warning sign - Google Patents

Abstract

Abstract: PROBLEM TO BE SOLVED: To improve visibility of a warning sign of a level crossing alarm at night. SOLUTION: A warning sign 1 of a level crossing alarm is a black area 9.
And an X mark which is divided into a yellow area 10 and color-coded. The alarm 1 has a surface light emitter 11 and a light source 12. The surface light emitter 11 has a yellow area 1
0 is formed and a light guide plate is used. The light guide plate emits light from a light emitting source, which is incident from an end face, from a surface direction to emit a surface light. The light emitting source 12 is a yellow light emitting LED that causes the surface light emitting body 11 to emit surface light. At night, the light emitted by the LED is made incident on the surface emitting body 11, and the entire surface of the surface emitting body 11 is evenly surface-emitted, and the stripe pattern of black and yellow emerges together with the shape of the X mark of the warning sign. . When the surface light emitter 11 emits no light, the light passes through the light guide plate to form a ground color in a yellow region.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a warning sign for a level crossing alarm.

[0002]

2. Description of the Related Art A level crossing warning device clearly indicates and warns a road crossing to a road pedestrian and stops the road traffic by sound and light when a train approaches or passes. This is a device provided with an alarm post, an alarm sound generator, an alarm, a warning light, a warning sign, and the like.

[0003] A warning sign (cross mark) is a sign that informs a road passer- er of the presence of a railroad crossing.
PCC) and painted in stripes with black and yellow tiger marks along with the alarm post.

The use of a combination of yellow, which indicates "caution", and black, as an "auxiliary color" to enhance it, out of the eight safety colors as a sign of a level crossing alarm is described in JISE3701 "Level Crossings." Facility color ", black / yellow stripes have the best contrast,
It is said that there is no risk of misidentification or confusion even at dusk or by people with abnormal color sensation. Some railroad crossing alarms include a lighting device to ensure visibility at night.

[0005]

By the way, as a method for making a sign as a warning sign of a railroad crossing alarm stand out at night and improving its visibility, for example, the shape of the outer shell of the X mark of the warning sign is used. There is a warning sign attached a miniature light bulb.

According to such a sign, the miniature bulb is illuminated at night to emit light in accordance with the shape of the sign cross mark, and the outline of the sign cross mark is clearly defined in the darkness. Can emerge.

[0007] However, it is not sufficient for a warning sign as a sign to inform a road pedestrian of the existence of a railroad crossing if it can only recognize the outline of the cross mark which is the outline of the sign.

[0008] The warning sign attached to the level crossing alarm is made to recognize the presence of a level crossing by a road pedestrian by recognizing the presence of a level crossing by recognizing a striped pattern with black and yellow tiger marks together with the shape of the cross mark. The black and yellow tiger marks must be capable of correctly recognizing the stripe pattern together with the shape of the cross mark as a sign.

An object of the present invention is to provide a warning sign with improved visibility of a sign at night.

[0010] In order to achieve the above object, the present invention provides a warning sign comprising an X mark which is divided into a black area and a yellow area and which is color-coded, wherein And a surface illuminator illuminated towards the edge of the plate
The emitted light from the light source is emitted from the plate surface direction,
A light guide plate that forms an area and emits surface light.
Having, disposed on the coloring sheet , the coloring sheet,
It is a sheet that is colored yellow and the surface illuminator emits no light
Which transmits the light guide plate and forms the ground color of the yellow area
Wherein the light emitting source is disposed on at least one side edge of the surface light emitter
And emits yellow light to the surface light emitter.
You.

[0011]

The black region is a black metal plate, which covers a light source for irradiating the end face of the surface light emitter. The light emitting source is a plurality of LEDs that emit yellow light, and the plurality of LEDs are arranged in a row along one end surface of the surface light emitter.
They are arranged and emit light continuously or blinking.

[0013] Further, the area is divided into a black area and a yellow area.
Is a warning sign consisting of color-coded X marks.
A light-emitting body and a light-emitting source, and the surface light-emitting body forms a yellow area.
A light guide plate that emits surface light to form
Is a light source that emits surface light in yellow, the black region and the yellow region are formed in a mold, and the mold is a combination of a container and a lid that covers the container. It has a part window, the surface light emitter is housed in a mold facing the window,
The black region is the plate surface portion of the lid painted black.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, the security sign 1 according to the present invention is
Along with the alarm generator 2, the alarm light 3, the train direction indicator 4, the failure indicator 5, etc., it is attached to the alarm pillar 7 of the level crossing alarm 6. .

As shown in FIG. 2 (a), the alarm 1 has a black region 9 and a yellow region 10 on the surface of a mold 8 which is crossed in an X-shape at the center in the longitudinal direction. Are X-marks having black and yellow stripes which are divided and color-coded. As shown in FIG. 2B, a clamp 18 to be attached to the alarm post 7 is attached to the back surface of the mold 8.

In the present invention, the mold 8 is composed of a combination of a container 8a and a lid 8b as shown in FIG. 3, and a surface light emitter 11 and a light source 12 are provided in the mold 8. Have.

The surface light emitter 11 has a striped yellow area 10.
Is formed. A window 19 is opened in the lid 8b, and the yellow region 10 is formed in the window 19. The light emitting source 12 is disposed on at least one side edge of the surface light emitting body 11,
The yellow light is incident on the surface light emitter 11 and the surface light emitter 11
Is caused to emit yellow light to the surface.

As the surface light emitter 11, a light guide plate having light transmittance in the plate thickness direction is used. The mechanism of surface light emission by the light guide plate method is that light emitted toward the edge of the plate is changed in direction in the plate, emitted from the surface of the plate, and emitted from the surface of the plate. In general, an acrylic plate having a roughened surface or printed with reflection dots is used as the light guide plate.

The surface illuminant 11 has a transparent cover 1 on its surface.
Colored sheet 14 covered with 3 and colored yellow as ground color
The transparent cover 13 and the surface light emitter 11
And the laminate with the colored sheet 14 is positioned in a position corresponding to the window 19 and is accommodated in the container 8a of the formwork 8, and the container 8
a is covered with a lid 8b. The container 8a and the lid 8b are
It is fastened at 0 and joined together.

The laminate including the surface light emitter 11 is housed in the mold 8 so as to face the window 19. Light source 1
2 uses a plurality of LEDs emitting yellow light and a plurality of LEDs
Are arranged in a row along one end surface of the surface light emitter 11.
When the LEDs are turned on at the same time, the light emitted from the LEDs enters the surface light emitter 11 from the end face, and the entire surface of the surface light emitter 11 emits surface light evenly in yellow.

In the present invention, the surface illuminant 11 is provided with a reflection sheet 15 on the other end surface except for the end surface of the surface illuminator 11 on which the light emission source 12 is arranged, and the light from the surface other than the surface of the surface illuminator 11. In addition to preventing leakage, the reflection sheet 1 on each end face
The surface luminous intensity is increased by using the reflected light from No. 5.

The colored sheet 14 forms the ground color of the yellow region 10 when the surface light emitter 11 emits no light. On the other hand, the black region 9 is formed by the metal plate 17 painted black. In this embodiment, the black region 9 is a plate surface portion of the lid 8 b that closes the inside of the container 8 a of the mold 8. Metal plate 17
Covers an array of LEDs as a light source 12 for irradiating one end surface of the surface light emitter 11.

The arrangement of the LED as the light emitting source 12 is
7, the light emitting source 1
2 can be secured, and the light-emitting source 12 is covered so that the light-emitting source 12 does not stand out.

The light emitting source 12 is connected to a power supply, and a flasher 16 is interposed in the power supply wiring if necessary. When the power of the light emitting source 12 is turned on, the yellow-colored LEDs are turned on at the same time, and the light is incident on the surface light-emitting body 11, and is irregularly reflected on the rough surface or the reflective dot to form the pattern of the warning sign 1. The entire surface of the area 10 emits yellow light, and the X-shape and black and yellow stripes of the sign at night are embossed in the dark to enhance the visibility.

When the power supply circuit of the light emitting source 12 is intermittently turned on and off by the blinker 16 and the LED is caused to blink and emit light, the X shape of the alarm 1 and the black area 9 and the yellow area 10 Of the black and yellow stripes formed by
A plurality of yellow areas 10 separated by black areas 9
Flashes to alert the pedestrian.

It should be noted that, in the present invention, the light source 12
Should be turned off. Thereby, the surface light-emitting body 1 of the alarm 1
Although 1 does not emit yellow light, the yellow color of the colored sheet 14 is visually recognized through the surface light-emitting body 11, and the yellow area 10 as a warning sign is formed by the ground color of the colored sheet 14. Therefore, the black and yellow stripes as a warning sign are not damaged.

[0027]

As described above, according to the present invention, the yellow area of the black area and the yellow area attached to the X mark of the warning sign of the level crossing alarm is surface-illuminated. Clearly in the dark, along with the shape of the X mark on the sign, the stripe pattern of black and yellow emerges to enhance the visibility of the sign, thereby improving the safety of trains and the safety of crossings.

Further, by flashing the light emitting source, it is possible to further alert the passerby. In addition, a light-transmitting light guide plate is used as the surface light emitter, and a yellow area is formed by overlapping the yellow light on the colored sheet. A yellow area of the mark can be formed.

Furthermore, by using a yellow-colored LED as the light-emitting source, the light-emitting source can be incorporated by effectively utilizing the space in the mold that is not bulky and is covered with a metal plate that forms a black region. .

[Brief description of the drawings]

FIG. 1 is a view showing a railroad crossing alarm provided with a beacon of the present invention.

FIG. 2A is a front view of a security sign showing an embodiment of the present invention, and FIG. 2B is a plan view of the same.

FIG. 3 is an exploded perspective view of a main part.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Warning sign 2 Alarm generator 3 Warning light 4 Train direction indicator 5 Fault indicator 6 Railroad crossing alarm 7 Alarm post 8 Formwork 8a Container 8b Cover 9 Black area 10 Yellow area 11 Surface light emitter 12 Light emitting source 13 Transparent cover 14 Colored sheet 15 Reflective sheet 16 Flasher 17 Metal plate 18 Clamp 19 Screw

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-216886 (JP, A) JP-A-11-129903 (JP, A) JP-A-8-104236 (JP, A) 33767 (JP, U) Japanese Utility Model Hei 3-7068 (JP, U) Japanese Utility Model 29-1284 (JP, Y1) Japanese Utility Model 30-16207 (JP, Y1) (58) Fields surveyed (Int. ⁷ , DB name) B61L 29/00

Claims (4)

(57) [Claims] 1. A warning sign comprising an X mark which is divided into a black area and a yellow area and is color-coded, comprising a surface light emitter and a light emission source, wherein the surface light emitter is provided on a plate. The light of the light source emitted toward the edge
Emits light from the surface direction, forms a yellow area on the plate surface, and emits surface light
A light guide plate that has light transmissivity and
The colored sheet, which is arranged one above the other, is a sheet colored yellow,
When the body emits no light, it passes through the light guide plate and the ground color of the yellow area
A light-emitting source is disposed on at least one side edge of the surface light-emitting body;
A warning sign for a railroad crossing alarm , which emits colored light rays to a surface light emitter . 2. The alarm for a level crossing alarm according to claim 1 , wherein the black area is a black metal plate and covers a light source for irradiating an end face of the surface light emitter. Mark. 3. The light emitting source is a plurality of LEDs emitting yellow light, and the plurality of LEDs are arranged in a row along one end surface of the surface light emitter.
The warning sign of a level crossing alarm according to claim 1 or 2, wherein the warning light is arranged and emits light continuously or blinking. 4. A black area and a yellow area.
A warning sign consisting of a color-coded X mark, and a surface light emitter
And a light-emitting plate having a light-emitting source, and the surface light-emitting body forms a yellow region and emits surface light.
The light emitting source is a light source that causes the surface light emitter to emit surface light in yellow, the black region and the yellow region are formed in a mold, and the mold is a container and a lid for covering the container. Is a combination of
The lid has a part window, the surface light emitter is housed in the inner into a mold so as to face in the window, the area of the black, and Oh Turkey a plate surface portion of the lid painted black A warning sign for a railroad crossing alarm.