KR101325128B1 - Smart led sign board system with variable sign by the circumstances - Google Patents

Abstract

The present invention relates to a smart LED road sign board system with content varying by surrounding circumstances and, more specifically, to a smart LED road sign board system with content varying by surrounding circumstances which can print a traffic sign displayed at daytime or time of good sight on a perforated paper sheet, and can display different content from the content of the paper sheet by radiating an LED installed on the rear of the paper sheet at nighttime or in case of raining and under the state of bad sight. According to the present invention, a notice or speed limit, construction section indication can be outputted on the sign board installed at the roadside according to the condition of the road, and thus safety of a driver or a pedestrian can be improved. [Reference numerals] (120) Wireless transceiving unit;(130) Smart sign;(310) Internet;(330) External institution system

Description

Smart LED road sign system whose contents change according to surrounding environmental factors {SMART LED SIGN BOARD SYSTEM WITH VARIABLE SIGN BY THE CIRCUMSTANCES}

The present invention relates to a smart LED road sign system in which the contents change according to environmental factors, and more specifically, the perforated printing paper on the outside prints a traffic signal displayed in a day or a good view, and at night or in rainy weather. The present invention relates to a smart LED road sign system in which the contents change according to environmental factors that allow the LED installed on the back of the printing paper to display different contents from the printing paper when the visibility is poor.

In general, various traffic signs are installed on roads such as general roads and highways through which motor vehicles pass to inform drivers of road signs such as direction signs, speed limits, and danger signs to help drivers drive safely. In particular, traffic signs are installed in a mountainous area, such as a steep slope, a steep descent, a wildlife inhabiting area, and the like.

Recently, traffic signs with built-in LEDs have appeared to improve visibility of signs even at night or in bad weather.

1 is an exploded perspective view showing a LED traffic sign according to the prior art.

The LED traffic sign 10 according to the prior art is a traffic sign 10 of the transparent material formed with a signal display unit 11 in a fine line or dot on the front, and the LED 13 is inserted into the traffic sign 10 and And a white reflector 14 for concentrating the light emitted from the LED 13 to the signal display unit 11.

The traffic sign plate 10 is formed of a transparent polycarbonate plate (also called "polycarbonate ester plate").

In addition, the signal display unit 11 is formed on the front of the traffic sign 10 with fine lines and dots, and the fine lines or dots are formed on the signal display unit 11 continuously or overlapping.

In addition, at least one installation hole 12 into which the LED 13 is to be inserted is formed through the right, left, right, and right positions of the traffic sign 10.

The LED installation hole 12 is inserted into the LED 13 for transmitting light into the interior of the traffic sign 10, the number of installation is one or more installation holes 12 formed in the traffic sign (10) Configure at least one to be inserted into the installation.

In addition, the reflector 14 is used to concentrate the light emitted from the LED 13 to the signal display unit 11 formed on the front of the traffic sign 10, the signal from the traffic sign 10 of the transparent material It is formed by attaching or coating the entire surface except for the display unit 11.

According to the traffic sign using the LED of such a configuration, the light emitted from the LED 13 is transmitted to the side of the traffic sign 10 of the transparent material.

When the light transmitted by the action comes into contact with the minute lines or points forming the signal display unit 11, the light portion may be refracted and scattered due to the space formed by the lines or points, thereby causing the signal display unit 11 to In this case, the reflector 14 attached to or coated on the traffic sign 10 serves to prevent the light emitted from the LED from being scattered indiscriminately so that it can concentrate on the signal display unit 11. The luminous efficiency of the LED 13 can be improved.

However, the LED traffic signs only emit light or figures of the signal display unit 11 engraved on the traffic sign 10, there is a problem that can not display the variable content in accordance with the intention of the administrator.

In addition, in the conventional LED traffic signs there is no way to determine the local situation where the signs are installed, there was a problem that the ability to respond quickly when an emergency occurs.

The present invention for solving the above problems by using a module with the LED device is installed by the light-emitting action, the content is changed according to the surrounding environmental factors that can be represented by the LED as needed, different from the contents displayed on the perforated printing paper An object of the present invention is to provide an LED road sign system.

In addition, an object of the present invention is to provide a smart LED road sign system in which the contents are changed according to the surrounding environmental factors to install a sensor on the signboard so as to grasp the current weather situation or road surface condition of the area where the signboard is installed.

In addition, the present invention if the road surface is slippery due to rain or snow, poor visibility, night or when the surroundings need attention, when the traffic conditions are not good, such as when road traffic is not smooth due to emergency road construction, etc. immediately It is an object of the present invention to provide a smart LED road sign system whose contents change according to surrounding environmental factors that can be represented by LED.

The present invention devised to solve the above problems is a road sign system for changing the displayed content according to the environmental factors of the road, the base for transmitting a remote control command via the Internet 310 and the mobile communication network 320 A terminal 110; A wireless transmitter / receiver 120 for receiving the remote control command transmitted by the base terminal 110 through a 3G or 4G mobile communication network; And a smart road sign 130 located at a remote location from the base terminal 110 to selectively display information on a road situation according to the remote control command received by the wireless transmitter / receiver 120. The road sign 130 includes a sign 133 in which a plurality of LED modules 133a are formed, a transparent cover 132 attached to the front of the plurality of LED modules 133a, and a front surface in which a plurality of perforations 131a are formed. The printing paper 131 on which the information 131b in letters or figures is printed, and the same as the sign 133 on the edge of the sign 133 are combined to form the printing paper 131 and the transparent cover 132. ), The common frame 134 for protecting the outside of the sign 133, and the sensor 135 is installed on the back of the common frame 134 to measure any one or more of precipitation, roughness, temperature, The remote control command is the smart road Information 131b printed on the printing paper 131 by emitting the LED module 133a according to weather conditions, road brightness, road construction, assembly demonstration section, and wildlife appearance in the region where the fingerboard 130 is installed; It characterized in that to control the smart road sign 130 to display other traffic information.

The traffic information displayed by the smart road sign 130 by the light emission of the LED module 133a is a guide for changing the speed limit according to day and night, a guide for weather conditions and road conditions during rain or snow, and road construction. It can include guidance on traffic control situations, guidance on the fact that a designation has occurred due to increased traffic demand, or information on traffic control due to accidents or relief activities.

According to the present invention, it is possible to immediately output a notice, a speed limit, a construction section display, etc. according to the circumstances of the road, and thus, the driver and pedestrians can be secured.

In addition, according to the present invention it is possible to change the output content of the sign by using information such as rainfall, precipitation, brightness collected through the sensor has the effect that it is possible to correct the situation.

1 is an exploded perspective view showing a LED traffic sign according to the prior art.
Figure 2 is a block diagram showing the configuration and connection of the road sign system according to an embodiment of the present invention.
3 is a block diagram showing a configuration and a connection state of a wireless transmitter and receiver;
Figure 4 is a perspective view showing the structure of the smart LED road sign used in the present invention.
5 is an exploded perspective view showing the internal structure of the road sign of FIG.
Figure 6 is a perspective view showing a state that the sensor is attached to the back of the road sign.
7 is a conceptual diagram illustrating a state in which the speed limit is reduced from 80 to 60 at night or in rain.
8 is a conceptual diagram showing a state of notifying driving during rain.
Figure 9 is a conceptual diagram showing a state of warning when there are many wildlife appearance.
10 is a conceptual diagram showing a state of warning the contents controlled by the road due to construction.

Hereinafter, with reference to the drawings will be described "smart LED road sign system that changes the content according to the surrounding environmental factors" (hereinafter referred to as "smart road sign system").

Figure 2 is a block diagram showing the configuration and connection state of the road sign system according to an embodiment of the present invention, Figure 3 is a block diagram showing the configuration and connection state of the wireless transmitter and receiver.

2 and 3, the smart road sign system 100 of the present invention includes a base terminal 110, a wireless transmitter and receiver 120, a smart road sign 130.

The base terminal 110 and the wireless transmitter / receiver 120 are connected via the Internet 310 and the mobile communication network 320 to exchange data in both directions. The smart road sign 130 expresses various types of characters, figures, and pictures according to data received through the wireless transmitter / receiver 120. The smart road sign 130 includes a general power supply device, a control processor, a memory, and the like.

Base terminal 110 is a configuration for transmitting a remote control command for adjusting the operation of the sign to the smart road sign 130, an example of such a base terminal 110 PC 111 or smartphone 112 Tablet PC 113, and the like.

The remote control command input from the base terminal 110 is transmitted to the smart road sign 130 through a communication network. The base terminal 110 may typically transmit and receive data through the Internet 310 connected to a home or office by wire or wireless, or may transmit and receive data through an internet access path of the mobile communication network 320. When the mobile communication network 320 is used, smart roads are converted into communication data such as Wideband Code Division Multiple Access (WCDMA), which is a third generation (3G) mobile communication service technology, or Long Term Evolution (LTE), WIBRO, which is a fourth generation (4G) technology. The sign 130 is delivered.

In the present invention, the wireless transmission and reception unit 120 installed in the field with the smart road sign 130 transmits and receives data using a 3G or 4G communication network. Therefore, the remote control command signal transmitted through the conventional Internet 310 is transmitted to the smart road sign 130 of the remote place via the mobile communication network 320.

The wireless transmitter / receiver 120 receives a remote control command from the base terminal 110 wirelessly, receives the remote control command from the wireless communication module 122, converts the local communication protocol into a local area network protocol, and designates it. An Ethernet-serial converter for directly transmitting a routing unit 123 for transmitting an address and a remote control command converted to the local area network protocol, or for transmitting to a controller 125 through an RS-232 interface. 124). The converter 124 converts the remote control command into a network protocol corresponding to the controller 125 and transmits it.

The controller 125 controls the smart road sign 130 according to the remote control command transmitted through the converter 124. According to the control signal of the controller 125, the operation of the LED module of the smart road sign 130 is controlled while the characters, figures, video, etc. are represented.

The base terminal 110 controls the smart road sign 130 to express the warning content in an appropriate form according to the surrounding environmental factors (weather conditions, road brightness, road construction, assembly demonstration section, wildlife appearance, etc.).

Figure 4 is a perspective view showing the structure of the smart LED road sign used in the present invention, Figure 5 is an exploded perspective view showing the internal structure of the road sign of Figure 4, Figure 6 shows a state that the sensor is attached to the back of the road sign. Perspective view.

The smart road sign 130 is positioned remotely from the base terminal 110 and controlled according to the remote control command, and may display information such as text, graphics, and video.

The smart road sign 130 includes a sign 133 having a plurality of LED modules 133a formed thereon, a transparent cover 132 attached to the front of the plurality of LED modules 133a, and information 131b printed on the front surface thereof. On the back, the adhesive material is applied to the transparent cover 132 is bonded to the front information (131b) is displayed during the day, a plurality of perforations (131a) are formed at night LED module (133a) of the sign 133 Printing paper 131 to display the information represented by the light, and combined with the same shape as the sign 133 on the border of the sign 133, the printing paper 131, transparent cover 132, signs ( 133 is formed from a common frame 134 to be sequentially arranged from one side outside to be fixed.

In addition, the common frame 134 is made of a draw using aluminum (AL) material, bent in accordance with the shape of the sign 133, the shape is deformed, both ends are fastened by a fixing means.

In the smart road sign 130 of the present invention, the information printed on the printing paper 131 is expressed in a good day or weather conditions, and the information expressed by the LED is displayed at night or in bad weather. That is, it means that the information displayed according to the surrounding situation is variable.

That is, the sign 133, the transparent cover 132, the printing paper 131 are sequentially attached to form an integral, so that only the information 131b printed on the printing paper 131 can be checked during the day, at night While the LED module 133a of the sign 133 emits light, information different from the daytime is expressed through the plurality of perforations 131a formed in the printing paper 131.

Countless perforations 131a are formed on the printing paper 131, and the weekly information 131b is printed thereon, and the portion of the perforation 131a in the total area of the printing paper 131 is absolutely absolute. When the LED module 133a is turned on, the printed information 131b is almost invisible, and only the LED light appears to exist. Therefore, the driver recognizes only the letters or figures formed by the LED light, not the letters or figures originally printed.

The transparent cover 132 may use a transparent material as well as a translucent material, and is made of a solid material made of a certain thickness, and protects the sign 133 from external factors such as wind, snow and rain. That is, since a lot of perforations are formed on the printing paper 131, when there is no transparent cover 132, dust, snow, and rain may penetrate to the sign 133, and may damage the LED module 133a. There is a transparent cover 132 to prevent this.

In addition, the transparent cover 132 is made of a plastic or glass material, the light of the LED is diffused while passing through the medium of the plastic or glass material. As a result, the characters and figures seen by the driver are more clearly expressed.

On the other hand, the sensor 135 is installed on the back of the common frame 134. The sensor 135 is installed to protrude slightly toward the rear side, and the sensor 135 includes a precipitation sensor, an illuminance sensor, a temperature sensor, and the like.

Precipitation measurement sensor is a sensor that calculates the amount of rainfall or snow by measuring the amount of rain or snow, the illumination sensor is a sensor that calculates the illumination by measuring the brightness of the place where the smart road sign 130 is installed, the temperature sensor is the ambient temperature It is a sensor to measure.

Warnings such as rain or skid are displayed to the driver according to the rainfall or snowfall calculated by the precipitation sensor. According to the illuminance sensor calculated by the illuminance sensor, the surrounding brightness is judged, and when it becomes dark below a certain level, the LED is emitted so that the driver can easily grasp the traffic information. In addition, based on the temperature measured by the temperature sensor and the amount of snow calculated by the rainfall sensor, it is possible to predict the freezing state of the road surface and provide information to the driver.

FIG. 7 is a conceptual diagram illustrating a state in which the speed limit is reduced from 80 to 60 at night or in rain, FIG. 8 is a conceptual diagram illustrating a state of alerting when driving in rainy weather, and FIG. 9 is a diagram illustrating a warning state when there are many wild animals. 10 is a conceptual diagram illustrating a state in which a road warns of a controlled content due to construction.

The road speed limit is 80km when the clock is in good condition and bright daytime or sunny weather, but it is necessary to lower the speed limit at night or in bad weather to prevent accidents. In this case, as shown in FIG. 7, the speed limit may be lowered to 60 km to differentially limit the speed of the vehicle in a normal state and a dangerous state.

In FIG. 7, the perforated printing paper 131 is printed with a number of 80. The number 60 is displayed by emitting an LED at night or in the rain. Since the light generated by the LED diffuses to the front through the plurality of perforations 131a formed on the printing paper 131, the contents originally printed on the printing paper 131 are hardly revealed.

The light emission of the LED is controlled by the base terminal 110, and the smart road sign 130 may detect the surrounding situation by itself and change the display content.

The base terminal 110 may change the display contents of the smart road sign 130 of a specific region based on weather information and road information input from the external institution system 330.

In the present invention, the external agency system 330 is a meteorological office system that generates weather information, a road construction system that generates road information, a police station system that generates emergency information, and provides information of an agency that monitors and transmits situations occurring on other roads. It includes a system.

The Meteorological Agency receives sunset and sunrise times, rainfall data, and temperature data from specific areas and uses them to control signs. The road construction system can receive data on the location under control of the road construction, data on areas where designations have occurred due to increased traffic demand, and data on traffic controlled due to accidents or relief activities. There will be.

In addition, when a situation such as a rally, protest, or marathon, occupies a general road, the present invention may be utilized to notify the driver passing the surrounding area by receiving relevant data from the police system.

In addition, based on various data (brightness, rainfall, temperature, etc.) measured by the sensor 135 installed on the smart road sign 130, the base terminal 110 changes the control method of the sign, or the smart road sign 130 You can also find and mark the appropriate content yourself.

FIG. 8 illustrates a situation in which a driver is asked for attention by displaying a letter of “raining caution” on a smart road sign 130 installed in a corresponding area when information indicating that precipitation is high in a specific area is input from an external institution system 330. Express. Data on precipitation in a particular area may be obtained from the sensor 135.

9 is a state in which a letter or a figure is displayed in a mountain area road where wild animals frequently appear, during the day, displaying a "quick curve" and indicating the emergence of wild animals at a time when the wildlife moves frequently after sunset. Expresses.

FIG. 10 illustrates a situation in which a character "under construction" is displayed along with a figure to indicate that traffic is controlled or delayed due to construction on a road ahead of the road.

As described above, the smart road sign 130 may use a single sign, but may provide different information according to weather conditions or road conditions at day and night.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, As will be understood by those skilled in the art. Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

100: smart road sign system 110: base terminal
111: PC 112: Smartphone
113: Tablet PC 120: Wireless Transmitter and Receiver
121: antenna 122: wireless communication module
123: routing unit 124: converter
125: controller 130: smart signs
131: printing paper 132: transparent cover
133: signs 134: public frame
135: sensor 310: the Internet
320: mobile communication network 330: external institution system

Claims (2)

As a road sign system that changes the displayed content according to the environmental factors of the road,
A base terminal 110 for transmitting a remote control command through the Internet 310 and the mobile communication network 320;
A wireless transmitter / receiver 120 for receiving the remote control command transmitted by the base terminal 110 through a 3G or 4G mobile communication network;
And a smart road sign 130 located at a remote location from the base terminal 110 to selectively display information on a road situation according to the remote control command received by the wireless transmitter / receiver 120.
The smart road sign 130 is
Signs 133 having a plurality of LED modules 133a, a transparent cover 132 attached to the front of the plurality of LED modules 133a, and a front surface having a plurality of perforations 131a formed with information in letters or figures. The printing paper 131 on which the printed paper 131b is printed and the same shape as the signs 133 on the edge of the sign 133 are combined to form the printing paper 131, the transparent cover 132, and the sign 133. It consists of a common frame 134 to protect the outside of the) and the sensor 135 is installed on the back of the common frame 134 to measure any one or more of precipitation, roughness, temperature,
The remote control command emits the LED module 133a according to the weather condition of the area in which the smart road sign 130 is installed, the brightness of the road, the road construction, the assembly demonstration section, and the appearance of wildlife.
Characters or figures displayed by the LED module 133a are different from characters or figures printed on the printing paper 131, and light emitted from the LED module 133a is exposed to the front through the perforation 131a. And the information is different from the information printed on the printing paper 131 (131b) characterized in that a character or figure is displayed, the smart LED road sign system that changes the content in accordance with the environmental factors. The method of claim 1,
The traffic information displayed by the smart road sign 130 by the light emission of the LED module 133a is a guide for changing the speed limit according to day and night, a guide for weather conditions and road conditions during rain or snow, and road construction. Smart content that changes depending on the surrounding environmental factors, including guidance on traffic control situations, information on the fact that the designation occurred due to the increase in traffic demand, and information on the areas where traffic was controlled due to accidents or relief activities. LED road sign system.

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