CN214613705U

CN214613705U - Road traffic sign capable of actively emitting light

Info

Publication number: CN214613705U
Application number: CN202023061543.4U
Authority: CN
Inventors: 张佳林; 田杨懿; 于连军; 谢亚洪; 陈炜正
Original assignee: China Construction Fourth Bureau Installation Engineering Co Ltd
Current assignee: China Construction Fourth Bureau Installation Engineering Co Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-05
Anticipated expiration: 2030-12-16

Abstract

The application relates to the technical field of road traffic signs, and particularly discloses a road traffic sign capable of actively emitting light, which comprises a sign box body, wherein the sign box body is arranged along the vertical direction, one side surface of the sign box body is provided with an opening, a point light source is fixed in the center of the inner side wall, far away from the opening, of the sign box body, and the point light source is electrically connected with a power supply through an electric lead; a light guide plate is fixed between the point light source and the opening in the sign box body; a shading film, a reflective film and an indicating film are sequentially fixed between the light guide plate and the opening; the light shielding film is provided with a transparent portion corresponding to characters and patterns on the indicator film. The purpose of this patent is to solve traditional reflection of light traffic sign mark and disturb down the not enough problem of mark visuality under sunshine or street lamp light source's light.

Description

Road traffic sign capable of actively emitting light

Technical Field

The utility model relates to a road traffic sign technical field, in particular to can initiatively luminous road traffic sign.

Background

The traditional reflecting traffic sign is a retro-reflecting and visual-recognition technology applying a reflecting film, lights of motor vehicles are irradiated to a traffic sign board, and a reflecting light ray which returns directionally is generated through the reflecting film, so that a driver of the vehicle can see and recognize the traffic sign board. The reflective mark mainly has the following defects:

1. the sign visibility is strongly dependent on the high beam.

2. The visibility of the sign is insufficient under the interference of sunlight or light from a street lamp light source.

3. The visibility of the marks is insufficient under severe weather and environmental conditions such as rain, snow, fog and haze.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a technical problem provides a luminous road traffic sign can take the initiative, solves traditional reflection of light traffic sign mark problem that mark visibility is not enough under the light interference of sunshine or street lamp light source.

In order to solve the above problem, the utility model discloses the technical scheme who adopts is: a road traffic sign capable of actively emitting light comprises a sign box body, wherein the sign box body is arranged in the vertical direction, an opening is formed in one side face of the sign box body, a point light source is fixed in the center of the inner side wall, far away from the opening, of the sign box body, and the point light source is electrically connected with a power supply through an electric lead; a light guide plate is fixed between the point light source and the opening in the sign box body; a shading film, a reflective film and an indicating film are sequentially fixed between the light guide plate and the opening; the light shielding film is provided with a transparent part corresponding to characters and patterns on the indicating film.

The technical principle of the technical scheme is as follows:

1. arranging a light guide plate, wherein the light guide plate is used for converting a point light source into a surface light source;

2. a shading film is arranged, a transparent part corresponding to the characters and the patterns on the indicating film is arranged on the shading film, the transparent part on the shading film can transmit light, so that the characters and the patterns on the indicating film can emit light, and the rest parts do not emit light;

3. the light of the surface light source penetrates through the reflective film to be emitted, so that the brightness of the light is enhanced, and the patterns and characters on the board surface are clearly displayed;

4. an indication film is arranged and is transparent, and patterns and characters for indication are printed on the indication film.

The beneficial effect that this scheme produced is: compared with the traditional reflective marker, the traditional reflective marker has stronger dependence on a high beam, insufficient marker visibility under the condition of sunlight or light interference of a street lamp light source, and insufficient marker visibility under the severe weather environmental conditions of rain, snow, fog, haze and the like; and the road traffic sign accessible in this application scheme changes the LED pointolite into and realizes independently giving out light after the area source, does not rely on the far-reaching headlamp, does not receive the light interference of sunshine or street lamp light source, does not receive the influence of bad weather environmental conditions such as rain, snow, fog, haze, can improve road traffic's security performance.

Further, the point light source is an LED point light source. The LED point light source has the characteristics of energy conservation and long service life, is not easy to damage, and does not need to be frequently replaced.

Further, the power supply is a municipal power supply. The LED point light source can be connected with a municipal power supply, and the use is convenient.

Furthermore, a door is arranged on the side wall of the sign box body where the point light source is located. And opening the door to replace the new point light source.

Further, the color of the light shielding film is green. Highways or other roads for controlling access use green signs.

Further, the light guide plate is an optical acrylic plate. Optical acrylic sheets are common light guide plates.

Drawings

Fig. 1 is a sectional view of the entire structure of embodiment 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the sign box body 1, the point light source 2, the electric lead 3, the light guide plate 4, the shading film 5, the reflective film 6 and the indication film 7.

Example 1

Example 1 is substantially as shown in figure 1: a road traffic sign capable of actively emitting light comprises a sign box body 1, wherein the sign box body 1 is in a cuboid shape, the sign box body 1 is arranged in the vertical direction, an opening is formed in the right side face of the sign box body 1, a point light source 2 is fixed in the center of the left inner side wall of the sign box body 1, the point light source 2 is electrically connected with a power supply through an electric lead 3, the point light source 2 in the embodiment is an LED point light source 2, and the LED point light source 2 has the characteristics of energy conservation and long service life, is not easy to damage and does not need to be frequently replaced; the power supply in the embodiment is a municipal power supply, the LED point light source 2 can be connected to the municipal power supply, the input voltage is 220V, the working voltage is 12-24V, and the use is convenient.

As shown in fig. 1, a light guide plate 4 arranged along a vertical defensive line is fixed inside the sign case 1 on the right side of the point light source 2; the light guide plate 4 is an optical acrylic plate, which is a common light guide plate 4. A shading film 5, a reflecting film 6 and an indicating film 7 are sequentially fixed between the light guide plate 4 and the opening; the distance between the light guide plate 4 and the point light source 2 is 1cm, the distance between the light guide plate 4 and the light shield is 0.5cm, the color of the light shielding film 5 is green, and a green indicator board is used on a highway or other roads for controlling the entrance and exit; the light shielding film 5 is provided with a transparent portion corresponding to characters and patterns on the indicator film 7. The indication film 7 is transparent, and the indication film 7 is printed with patterns and characters for indication.

The specific implementation process is as follows:

after the road traffic sign is manufactured, the road traffic sign is fixed above a road to be indicated, after a power supply is switched on, the light guide plate 4 converts the point light source 2 into a surface light source, when the surface light source passes through the shading film 5, the transparent part on the shading film 5 can transmit light, so that characters and patterns on the indicating film 7 emit light, and the rest parts do not emit light; the light of the surface light source passing through the shading film 5 is emitted out through the reflecting film 6, so that the brightness of the light is enhanced, and the patterns and characters on the indicating film 7 are clearly displayed.

Example 2

Example 2 differs from example 1 in that: the left side wall of the sign box body 1 is provided with a door. When the point light source 2 is damaged, the door is opened to replace the point light source 2 in time.

Example 3

Example 3 differs from example 1 in that:

the top of sign box 1 is fixed with light sensor, and light sensor passes through controller and 2 electric connection of pointolite, and daytime, light sensor passes through 2 outage of controller control pointolite, and evening, light sensor passes through 2 circular telegrams of controller control pointolite, practices thrift the electric energy.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. An actively illuminable road traffic sign, characterized in that: the sign box body is arranged along the vertical direction, an opening is formed in one side face of the sign box body, a point light source is fixed in the center of the inner side wall, far away from the opening, of the sign box body, and the point light source is electrically connected with a power supply through an electric lead; a light guide plate is fixed between the point light source and the opening in the sign box body; a shading film, a reflective film and an indicating film are sequentially fixed between the light guide plate and the opening; the light shielding film is provided with a transparent part corresponding to characters and patterns on the indicating film.

2. An actively illuminable road traffic sign according to claim 1, wherein: the point light source is an LED point light source.

3. An actively illuminable road traffic sign according to claim 1, wherein: the power supply is a municipal power supply.

4. An actively illuminable road traffic sign according to claim 1, wherein: and a door is arranged on the side wall of the sign box body where the point light source is positioned.

5. An actively illuminable road traffic sign according to claim 1, wherein: the color of the light shielding film is green.

6. An actively illuminable road traffic sign according to claim 1, wherein: the light guide plate is an optical acrylic plate.