KR101628122B1

KR101628122B1 - Variable information sign

Info

Publication number: KR101628122B1
Application number: KR1020150097560A
Authority: KR
Inventors: 이석기; 정준화; 김용석; 문재필; 박순용
Original assignee: 한국건설기술연구원
Priority date: 2015-07-09
Filing date: 2015-07-09
Publication date: 2016-06-08

Abstract

The present invention relates to a variable information signage capable of preventing power consumption by using retro-reflection not using power. According to one aspect of the present invention, the variable information signage comprises: a case having an opening hole with a predetermined size formed on a front surface; and at least one information signage panel. The information signage panel comprises: a body placed in the opening hole of the case; a rotating device installed in both sides of the body, and combined with both inner sides of the case to rotate the body by a motor; a retro-reflection sheet installed on one surface of the body to include a speed limit and/or a road information symbol printed thereon; and a light emitting diode (LED) module installed on the other surface of the body and including LEDs emitting light.

Description

Variable information cover {VARIABLE INFORMATION SIGN}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a variable information indicator, and more particularly, to a variable information indicator capable of efficiently managing power consumption of a variable electric indicator.

In general, an electronic signboard (electronic signboard) is widely used as a means of conveying an image symbol to an unspecified number of persons using one medium, such as "Korean Registered Utility Model No. 20-0451253 (2010.11.30) ". The application range of such electric signboards is gradually enlarged and widely used as a large signboard of a playground, a traffic information security facility of a road, and an outdoor signboard.

By providing roads and traffic conditions in front of roads, traffic lights, traffic information, and weather information on roads, it is possible to improve the safety of road users and reduce traffic congestion by distributing traffic. Provide caution information to help.

Such a variable full-length chart provides the driver with traffic-related information such as forward traffic situation information, on-the-fly traffic information, unexpected information, traffic time information and deceleration information, and road and weather information in real time .

In addition, the variable fullscreen can be selectively installed in a region where safety is required, such as a rest area, a wet mist area, a hazard area, and a lot of accidents, so that traffic flow can be managed efficiently and safely, And performs the function of improving the quality of the road service.

However, since the variable fullscreen provides information to the road user with a brighter and clearer light source, it provides higher visibility and more readable information than in the past, but consumes a lot of power due to constant lighting.

In addition, when an error occurs in a device that displays information, it is not possible to provide correct information to a user, resulting in a problem of confusion and traffic safety.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a variable information indicator capable of preventing power consumption by using retroreflection without power.

Another object of the present invention is to provide a variable information cover which can provide correct information to a user even if a failure occurs in the information display apparatus.

According to an aspect of the present invention, there is provided a variable information indicator comprising: a case having an opening formed in a predetermined size; And a rotating device provided on one side of the main body and coupled to the inside of the case to rotate the main body by a motor, A reflective sheet on which at least one of the road information symbols is printed, and an LED module provided on the other surface of the main body and including a plurality of LEDs for emitting light.

The main body may have a first surface on which the retroreflective sheet and the LED module are respectively opposed to each other, and a second surface provided on both sides of the first surface and facing both sides of the LED module.

The main body may include a control board for controlling the LED module.

The rotating device includes a rotating shaft coupled to the inside of the case, a first engaging portion provided at one end of the rotating shaft to be engaged with one end of the main body, and a second engaging portion extending from the first engaging portion, 2 coupling portion.

The rotation device may include a separation preventing protrusion for preventing the rotation shaft from being detached after being coupled to the inside of the case.

The information sign may be provided on one surface of the retroreflective sheet, and the LED module may be provided on the other surface of the main body.

According to another aspect of the present invention, there is provided a variable information indicator comprising: a case having an opening formed at a predetermined size on a front surface thereof; And a rotating device provided on both sides of the main body and coupled to the inside of the case so as to rotate the main body by a motor, And a retroreflective sheet provided between the plurality of LEDs to print at least one of the speed limit information and the road information symbol.

The main body may have a first surface on which the LED module is biased on both sides, and a second surface on both sides of the first surface, which are opposed to both sides of the LED module.

The main body may include a control board for controlling the LED module.

The main body may have an engaging groove for allowing the second engaging portion to be easily fitted to the main body.

The information sign may include a retroreflective sheet provided between the LED module and a plurality of LEDs of the LED module on both sides of the information device, the rotating device being coupled to both side ends of the main body and rotated in one direction.

According to the variable information cover according to the present invention, the retroreflective sheet can reduce power consumption by displaying information instead of the LED module.

When a failure occurs in the LED module, the information can be displayed to the user through the retroreflective sheet instead of the LED module.

1 is a front view of a variable information cover according to an embodiment of the present invention;
Figure 2 is another front view of the variable information indicia shown in Figure 1;
3 is a perspective view showing the information sign of the variable information sign shown in FIG.
FIG. 4 is an exploded perspective view of the information sign shown in FIG. 3; FIG.
5 is a perspective view showing a state in which the information sign plate shown in FIG. 1 is rotated by a motor.
6 is a front view of a variable information cover according to another embodiment of the present invention;
FIG. 7 is an exploded perspective view showing the information sign of the variable information sign shown in FIG. 6; FIG.

Hereinafter, a variable information mark according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a front view of a variable information cover according to an embodiment of the present invention, and FIG. 2 is another front view of the variable information cover shown in FIG.

As shown in FIGS. 1 and 2, the variable information cover 10 according to an embodiment of the present invention may include a case 20 and an information sign 100.

The case 20 may have an opening 21 formed at a predetermined size on the front surface thereof and the information sign 100 may be provided in the opening 21. At least one information sign 100 may be provided, and it is preferable that a plurality of information sign boards 100 are provided. As shown in the figure, the information sign boards 100 may be formed to be long in the vertical direction, and may be formed to be long in the horizontal direction.

The information sign 100 includes a main body 110 positioned in the opening 21 of the case 20 and a pair of side plates 30a and 30b provided on both sides of the main body 110 and coupled to the inside of the case 20, A retroreflective sheet 130 provided on one surface of the main body 110 to print at least one of a speed limit and a road information symbol, And an LED module 140 having a plurality of LEDs 141 disposed on the other surface thereof to emit light.

Here, the rotating device 120 of the information signboard 100 is coupled to both side ends of the main body 110 and is rotated in one direction to expose one surface provided with the retroreflective sheet 130 to the outside, 140 may be exposed to the outside.

Therefore, the retroreflective sheet 130, on which at least one of the speed limit information and the road information symbol is printed, is exposed to the outside so as to be the information mark using the reflex reflection, and only when the bad weather or special information is to be marked, 140 may be exposed to the outside so as to become an information mark through the light emission of the LED 141.

Accordingly, it is possible to prevent energy waste due to excessive consumption of the LED module 140.

In addition, when a failure or error occurs in the LED module 140 because the LED module 140 and the retroreflective sheet 130 are provided at the same time, the LED module 140 may be replaced with the information It is possible to exhibit the effect of reducing the occurrence of traffic safety problems because it does not confuse the driver.

Next, the information sign 100 of the variable information sign 10 will be described in more detail. In the following description, only different parts from the above-described embodiment will be described in detail and the same or similar parts will not be described in detail.

FIG. 3 is a perspective view showing the information signboard of the variable information signboard shown in FIG. 1, and FIG. 4 is an exploded perspective view of the information signboard shown in FIG.

1 to 4, an information sign 100 of a variable information sign 10 according to an exemplary embodiment of the present invention includes a main body 110, a rotator 120, a retroreflective sheet 130, (140).

The main body 110 is manufactured by extruding an aluminum material and includes a first surface 111 on which both the retroreflective sheet 130 and the LED module 140 are opposed to the first surface 111 and the first surface 111, And may have a second surface 112 which is respectively provided to abut both sides of the LED module 140. The LED module 140 may include a first surface 111 and a second surface 112. The first surface 111 and the second surface 112 may be formed in a U- 112 to engage with the main body 110. [ At this time, the LED module 140 may be shorter than the length of the main body 110 by a predetermined length so that a part of the rotating device 120, which will be described later, can be fitted into the main body 110. The LED module 140 may be relatively securely mounted to the main body 110 by being coupled with the main body 110 in such a manner that the LED module 140 is sandwiched by the first and second surfaces 111 and 112 . Although not shown in the drawings, after the LED module 140 is coupled to the main body 110, a bolt is fastened through the LED module 140 to be seated on the second surface 112 of the main body 110, And the LED module 140 may be provided on the main body 110.

A control board 113 connected to the LED module 140 and controlling the LED module 140 may be provided on the first surface 111 of the main body 110 which is in contact with the LED module 140. The control board 113 may receive a signal from outside through a wired or wireless scheme and control the LED module 140 according to the received signal.

On the other hand, the retroreflective sheet 130 is made by using the principle of reflex reflection that the incident light is reflected again in a specific pattern and returned in the incident direction. In the night driving, It is possible to use the phenomenon of reflection and returning to the vehicle side.

The retroreflective sheet 130 may be coupled to the main body 110 in such a manner that the retroreflective sheet 130 is attached to the first surface 111 of the main body 110 that is not in contact with the LED module 140. Attachment methods can be done through a variety of commonly used methods. Here, instead of the LED module 140, the retroreflective sheet 130 may be separately attached to the plurality of information signs 100 so that the information mark may be displayed when the LED module 140 is exposed to the outside.

The rotating device 120 includes a rotating shaft 121 coupled to the inside of the case 20, a first engaging part 122 provided at one end of the rotating shaft 121 to be engaged with one end of the main body 110, A second engaging portion 123 extending from the first engaging portion 122 to be fitted to one end of the main body 110 and a second engaging portion 123 extending from the first engaging portion 122 to the inside of the case 20, (Not shown).

The rotation shaft 121 is provided on one surface of the first engaging part 122 facing the inside of the case 20 and partially inserted into the case 20, May be provided on the rotary shaft 121 so as to be positioned inside the rotary shaft 20. In this case, a wire used for connecting the control board 113, which controls the above-described LED module 140, to the outside can be seated in the inside of the rotary shaft 121.

The first engaging part 122 may be provided on the other surface of the first engaging part 122 corresponding to one surface of the first engaging part 122 provided with the rotating shaft 121. The second engaging portion 123 extending from the first engaging portion 122 is formed to be stepped with the first engaging portion 122 so that the second engaging portion 123 is engaged with the first surface 111 of the main body 110, The first engaging portion 122 may be engaged with one end of the main body 110 in the longitudinal direction of the main body 110. In this case,

The main body 110 and the rotator 120 are not coupled using welding or other fixing members so that when the LED module 140 or the retroreflective sheet 130 is to be replaced, Can be easily separated from the rotating device (120). In addition, since the LED module 140 is inserted into the main body 110 or fixed through the bolts, the LED module 140 can be easily detached from the main body 110, so that the LED module 140 can be easily replaced when a failure occurs. Therefore, maintenance of the information signboard 100 can be conveniently performed.

The following explains the motor 30 that provides the power that the information sign 100 can rotate. In the following description, only different parts from the above-described embodiment will be described in detail and the same or similar parts will not be described in detail.

FIG. 5 is a perspective view showing a state in which the information sign shown in FIG. 1 is rotated by a motor.

1 to 5, the information sign 100 of the variable information sign 10 according to an embodiment of the present invention may be rotated by a motor 30. [ At least one of the spiral bevel and the timing belt 50 may be connected to the information sign 100 in order to rotate the rotary shaft 121 of the rotary device 120 through the motor 30. [

When the motor 30 rotates, the timing belt 50 having the inside of the sawtooth shape rotates the bevel gear 40 provided at the end of the rotating shaft 121 to rotate the rotating shaft 121, and the rotating shaft 121 rotates The LED module 140 and the retroreflective sheet 130 provided on both sides of the main body 110 may be exposed to the outside according to the circumstances by rotating the main body 110 in a state where the main body 110 is coupled with the rotating device 120.

Here, the plurality of information signs 100 may be connected to the motor 30 to receive power.

Thus, the control and error detection can be facilitated as compared with the case where the plurality of information signs 100 receive power through the single motor 30. [

Next, the variable information indicator 10 according to another embodiment of the present invention will be described. In the following description, only different parts from the above-described embodiment will be described in detail and the same or similar parts will not be described in detail.

FIG. 6 is a front view of a variable information cover according to another embodiment of the present invention, and FIG. 7 is an exploded perspective view illustrating an information cover of the variable information cover shown in FIG.

6 and 7, the variable information cover 10 according to another embodiment of the present invention includes a case 20 having an opening 21 formed at a predetermined size on a front surface thereof, 100).

The information sign 100 includes a main body 110 positioned in the opening 21 of the case 20 and a pair of side walls 20a and 20b provided on both sides of the main body 110 and coupled to the inner side of the case 20, And a rotating device 120 for rotating the main body 110. The LED module 140 includes a plurality of light emitting diodes 141, and a retroreflective sheet 130 on which at least one of a limited speed and a road information symbol is printed. In the exemplary embodiment, The LED module 140 may be provided on both sides of the main body 110 and the retroreflective sheet 130 may be provided between the plurality of LEDs 141 of the LED module 140. [

Accordingly, the variable information cover 10 according to another embodiment of the present invention may include at least one of a limiting speed for marking different information and a road information bank, so that a relatively wide variety of information can be transmitted through the retroreflective sheet 130 Can be labeled.

When a failure or error occurs in the LED module 140 provided on one side by providing the LED module 140 on both sides, the information can be displayed instead through the LED module 140 provided on the other side. Therefore, continuous information can be displayed even in an unexpected situation such as a bad weather or a failure or an error of the LED module 140.

Meanwhile, since the LED module 140 is provided on both sides of the main body 110, the main body 110 may be provided in an 'H' shape rather than a 'C' shape. That is, the second surface 112 may be provided so as to extend in both directions around the first surface 111 so as to abut the side surface of the LED module 140 provided on both sides of the main body 110 .

At this time, the main body 110 may be provided with an engaging groove 110a for allowing the second engaging portion 123 of the rotating device 120 to be easily inserted into the main body 110. The coupling groove 110a may be formed by forming the second surface 112 of the main body 110 longer than the first surface 111 by a predetermined length. Since the main body 110 is provided as described above, the LED module 140 is fitted in the inner space formed by the first surface 111 and the second surface 112 and coupled with the main body 110, And can be engaged with the main body 110 through the coupling groove 110a.

Although the variable information markers according to an embodiment of the present invention have been described above, the spirit of the present invention is not limited to the embodiments disclosed herein. Those skilled in the art, who understands the spirit of the present invention, can readily suggest other embodiments by adding, changing, deleting, adding, or the like of components within the scope of the same idea, I would say.

10: Variable information cover 20: Case
100: information sign 110: main body
120; Rotating device 130: Retroreflective sheet
140: LED module

Claims

A case having an opening formed at a predetermined size on a front surface thereof; And
A rotation device provided on one side of the main body and coupled to the inside of the case to rotate the main body by a motor; At least one information sign having an LED module having a retroreflective sheet on which at least one of information symbols is printed and a plurality of LEDs provided on the other surface of the main body to emit light; And,
Wherein the main body includes a first surface on which the retroreflective sheet and the LED module are respectively opposed to each other, and a second surface provided on both sides of the first surface and opposed to both sides of the LED module,
The rotating device includes a rotating shaft coupled to the inside of the case, a first engaging portion provided at one end of the rotating shaft and abutting with one end of the main body, and a second engaging portion extending from the first engaging portion, A second engaging portion that is fitted in a 'U' shaped internal space formed by the first and second surfaces; and a detachment protrusion that prevents the rotation shaft from being detached after being coupled to the inside of the case,
At least one of the information signs is connected to at least one of a motor for supplying power to the information sign, a spiral bevel for rotating the rotary shaft of the rotary device through the motor, and a timing belt,
Wherein the main body includes a control board for controlling the LED module,
Wherein the information sign is formed on one surface of the retroreflective sheet, and the LED module is provided on the other surface of the main body, the rotating device being coupled to both side ends of the main body and rotated in one direction.

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