KR101187877B1 - Road information-image display system on the road and method thereof - Google Patents

Abstract

The present invention relates to a road and traffic information image display system and method of the road surface that can display various road / traffic information on the road surface, the road information through various methods such as images, icons, text The purpose of the present invention is to provide a road / traffic information image display system and method on the road surface that can easily convey the accessibility and visibility of information to the driver, and improve the clarity and identification of the road-related information image. have. The present invention for achieving the above object is installed on the side of the road side; A housing installed at one side of the support and formed of a transparent material on one surface thereof; An image generation unit installed in the housing to generate an image; A light source generating unit installed at one side of the image generating unit to irradiate light; An optical unit installed at the other side of the image generating unit; A control unit for providing image information to the image generating unit and controlling each unit; And a power supply unit for supplying power to each of the units, further comprising a remote control unit for controlling the operation of the control unit at a remote location, wired or wireless, and providing road related information to the control unit. have.

Description

ROAD INFORMATION-IMAGE DISPLAY SYSTEM ON THE ROAD AND METHOD THEREOF}

The present invention relates to a road and traffic information image display system and method of the road surface that can display various road / traffic information on the road surface, the road information through various methods such as images, icons, text The present invention relates to a road / traffic information image display system and method for displaying road / traffic information that can easily convey information and visibility of information to a driver, and improve the clarity and identification of road-related information images.

In Korea, 70% of roads are mountainous areas. Most of them are constructed through mountainous or tianal areas, and are vulnerable to fog, rainfall and snowfall.

To easily recognize this complex network, the government standardizes signs and installs them at major branches. These signs are installed in various types of props such as door type, letter type, hanging type, fuzhou type, and single type.

However, the installation of these signs may cause accidents due to driver's perception, depending on visibility, proper location, etc., depending on the road geometry or environmental conditions.

In addition, existing signs need to be replaced periodically or as needed according to natural / physical damage, resulting in physical and human waste, and do not provide accurate visibility to drivers when snow or dust accumulates. There is a problem.

In the case of the existing sign, the road information display part should be located at a position that the driver can recognize near the road surface so that the driver can easily identify, and this may be an object of accident occurrence depending on the vehicle type.

In general, most road / traffic information signs are limited to simple signs, and thus, a method for providing information to drivers in various ways is required.

In this regard, there is a limitation that it cannot be replaced quickly and collectively when collective replacement is required for more efficient road information display, such as a new concept of changing the address indication.

On the other hand, as another alternative of the road information display, an electric signboard is provided instead of the general display board of the simple display displaying the road information.

However, since the electric signboard is installed on the road which is an external environment in its installation and manufacture, it should be installed and manufactured in consideration of various factors. The display board for providing road / traffic information has a problem in that its configuration is complicated and manufacturing cost increases.

Therefore, the present invention has been proposed to solve the above problems, aside from the provision of road traffic information by the existing simple signs, various road information through at least one or more methods such as images, icons, text on the road surface The purpose of the present invention is to provide a road surface / traffic information providing system and method that can easily provide the driver with accessibility and visibility of information.

In addition, the present invention can quickly deliver the road traffic information according to the situation, such as the occurrence of a forward accident in real time from the external central control unit in a variety of images roads / traffic of a new concept road surface that can provide accident prevention and smooth traffic flow It is another object to provide an information image display system and method.

According to a first aspect of the present invention for achieving the above object, the post is installed on one side of the roadside; A housing installed at one side of the support and formed of a transparent material on one surface thereof; An image generation unit installed in the housing to generate an image; A light source generating unit installed at one side of the image generating unit to irradiate light; An optical unit installed at the other side of the image generating unit; A control unit for providing image information to the image generating unit and controlling each unit; And it provides a road traffic information image display system of the road surface including a power supply unit for supplying power to each unit.

The control unit may transmit road sign information of a road safety sign to the image generating unit, and the image generating unit may generate at least one or more of the transferred information to an image, an icon, and text.

The present invention preferably further comprises a remote control unit for controlling the operation of the control unit from a remote location, wired or wireless, and providing road related information to the control unit.

The remote control unit may provide at least one of a traffic safety sign and real-time road traffic information of a current weather situation and a traffic condition to the control unit.

The control unit may include a plurality of input / output ports that interface with a central processing unit, Ethernet, a wired / wireless transceiver, and an external device.

The optical unit includes a lens module consisting of a flat convex lens, a convex concave lens, a concave / flat convex lens and a flat convex lens, and a distance adjusting means for adjusting a mutual distance between the lenses of the lens module. It is preferable that focal length is 1.8-2.5, right and left viewing angle is 24 degrees, and an incident angle is less than 4 degrees.

According to a second aspect of the present invention, there is provided a system for storing and collecting road-related information at a central control unit at a remote location; Transmitting road related information from the central control unit to a control unit of a structure installed at one side of a roadside; Generating an image of road related information transmitted through the control unit; It provides a road traffic information image display method of the road surface for projecting the generated image to express the image on the road surface.

The road-related information of the central control unit may transmit information on at least road safety signs and real-time traffic information on climate and traffic conditions.

The generated image may be generated by at least one of an image, an icon, and text.

According to a third aspect of the present invention, there is provided a control unit in which information on a traffic safety sign is stored in a structure installed at one side of a roadside; Generating an image of the traffic safety sign from the control unit through an image generating unit; It provides a road traffic information image display method of the road surface for projecting the generated image to express the image on the road surface.

The generated image may be generated by at least one of an image, an icon, and text.

According to the road / traffic information image display system of the road surface according to the present invention, by providing a variety of road / traffic information on the road surface through at least one or more methods such as image, icon, text, etc. to the driver accessibility and visibility There is an effect that can be easily delivered.

In addition, according to the present invention, the road / traffic information according to the situation, such as the occurrence of a forward accident in real time from the external central control unit can be quickly delivered in a variety of images there is an effect that can provide an accident prevention and smooth traffic flow.

1 is a schematic view showing a road / traffic information image display system of the road surface according to the present invention.
Figure 2 is a schematic diagram showing the configuration of a unit for displaying an image in the road / traffic information image display system of the road surface according to the present invention.
3 is a plan view showing an example of a light source generating unit constituting the road / traffic information image display system of the road surface of the present invention.
Figure 4 is a block diagram showing an example of the optical system of the optical unit constituting the road / traffic information image display system of the road surface according to the present invention.
5 is a flowchart for processing the road / traffic information image display method of the road surface according to the present invention.

Further objects, features and advantages of the present invention will become more apparent from the following detailed description and the accompanying drawings.

Road / traffic information image display system of the road surface according to the present invention is basically a post installed on one side of the road; A housing installed at one side of the support and formed of a transparent material on one surface thereof; An image generating unit installed in the housing; A light source generating unit installed at one side of the image generating unit to irradiate light; An optical unit (optical system) installed on the other side of the image generating unit; A control unit for providing image information to the image generating unit and controlling each unit; And a power supply unit for supplying power to each of the units.

The remote control unit further comprises a remote control unit for controlling the control unit by wire or wireless. The remote control unit may provide basic road sign information and road / traffic status information collected in real time to the control unit.

On the other hand, the road / traffic information image display method of the road surface according to the present invention stores the basic road sign information and real-time road / traffic information in the central control unit; Transmitting information from the central control unit to a control unit of a structure installed at one side of a roadside; Generating an image of the information transmitted through the control unit; Projecting the generated image and displaying an image on a road surface.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic view showing a road / traffic information image display system of the road surface according to the present invention, Figure 2 is a unit for displaying an image in the road / traffic information image display system of the road surface according to the present invention It is a block diagram which shows a structure schematically.

As shown in Figures 1 and 2, the road / traffic information image display system of the road surface is a support 100 is installed on one side of the road surface; A housing 110 installed at one side (the upper end in the drawing) of the support 100 and having one surface formed of a transparent material; An image generation unit 200 installed in the housing 100 and generating an image; A light source generating unit 300 installed on one side (the rear side of the image generating unit 200 in the drawing) of the image generating unit 200 to irradiate light; An optical unit (optical system) 400 installed at the other side of the image generating unit 200 (in the drawing, a front side of the image generating unit 200) and controlling the size and sharpness of the generated image; A control unit 500 for providing image information to the image generating unit 200 and controlling each unit; And a power supply unit 600 for supplying power to each unit.

In addition, the present invention further includes a central control unit 700 for controlling the operation of the control unit 500 from a remote location, wired or wireless, and providing various information to the control unit 500.

The strut 100 is not particularly limited as long as it can support and hold the housing 110 at a predetermined height installed at one side or top thereof. However, when a distribution line or switchboard or other control circuit lines capable of supplying electric power to the inner space is accommodated, it is preferable to form it safely.

The image generating unit 200 receives and displays processed image information according to input information from the control unit 500. For example, the image generating unit 200 may include a liquid crystal display (LCD).

The image information displayed by the image generating unit 200 is at least one or more of an image, an icon, a text, etc. so as to ensure the driver's accessibility and visibility with respect to the corresponding information to be transmitted while conforming to the type or form of the traffic safety sign. Can be generated in several ways.

The image generating unit 200 includes various accessories for its operation and interface with the control unit 500. For example, the image generation unit 200 may include a central processing unit (CPU), a memory, a transceiver, a universal asynchronous receiver transmitter (UART), a universal serial bus (USB), an ethernet, and an on-board. It may include an input / output (on board I / 0) port, an extension cable, and the like, and may be driven by a predetermined operating system (OS).

3 is a plan view showing an example of the light source generating unit 300 constituting the road / traffic information image display system of the road surface of the present invention.

As shown in FIG. 3, the light source generating unit 300 includes a back light unit (BLU).

The light source of the light source generating unit 300 is, for example, is composed of a light emitting diode (LED) 310, the light emitting diode is designed by applying a metal PCB (320) easy to heat dissipation In addition, a cooling device (not shown) including a heat sink and a heat radiating fan is provided to radiate the light source.

As an example, when explaining an application example of the light source generating unit 300 according to the present invention, the light source uses a 6000k color temperature for improved visibility, and is configured to have a high brightness of 100,000cd / m ² or more, the circuit configuration is LED 3 series 27 parallel (2) 54 total parallel.

Next, the optical unit 400 is to adjust the size and focus of the image according to the installation environment, position, angle, distance adjusting means for controlling the mutual distance of the lens module and the lens module consisting of two or more optical lenses. (Not shown).

4 is a block diagram showing an example of a lens module of the optical unit constituting the road / traffic information image display system of the road surface according to the present invention.

As shown in FIG. 4, an example of the lens module of the optical unit 400 includes four lens combinations. The flat convex lens 410 and the convex concave lens 420 are sequentially formed from the image generating unit 200. , Concave / flat convex lens 430 and flat convex lens 440. The lens module of the optical unit of the present invention is not limited thereto.

As an example of a design specification of the lens module of the optical unit 400, the focal length is set to a value of 1.8 to 2.5 so as to display an image having visibility and clarity, and a field of view (FOV) The angle of incidence may be 24 ° and the angle of incidence (AOI) may be less than 4 °.

The distance adjusting means (not shown) for controlling the mutual distance of the lens module (lens group) of the optical unit 400 is a well-known technique that can be fully understood by those skilled in the art, so a detailed description thereof will be omitted.

Next, the control unit 500 transmits the image information to be generated in the image generating unit 200, and controls the operation of each unit.

The control unit 500 basically includes a control board that can be firmware (firmware), has a predetermined processing unit, and has a variety of ports that can be linked and controlled by external devices and wired or wireless.

In addition, the power supply unit 600 may be configured in a form capable of supplying power to each unit by generating power by itself, such as solar heat and wind power, and preferably, power from a surrounding power supply panel in which an image display system is installed. It is preferable to be configured to be stably supplied with.

On the other hand, the control unit 500 may output the image information for providing the basic road sign information of the driver by the driver itself to the image generation unit 200, the central control unit 700 provided at a remote location The wired or wireless interface with and can be controlled by the central control unit 700.

The central control unit 700 may provide the control unit with road / traffic state information collected in real time as well as basic road sign information.

Accordingly, the expression information expressed in the image display system is not only the basic road sign information in general, but also real-time collection information such as accidents, snowfall, rainfall, congestion, etc. to the control unit 500 according to the situation, the road / traffic information image display system In addition to the ability to inform the driver of the basic road marking information in general, it also provides a real-time traffic situation to prevent accidents and provide smooth traffic flow.

Next, the road / traffic information image display method of the road surface according to the present invention will be described with reference to FIG. 5 is a flowchart for processing the road / traffic information image display method of the road surface according to the present invention.

As shown in Figure 5, the road / traffic information image display method of the road surface according to the present invention stores and collects the basic road sign information and / or real-time road / traffic information in the central control unit of the remote; Transmitting the relevant information from the central control unit to the control unit of the structure installed at one side of the roadside; Generating an image of the related information transmitted through the control unit; Projecting the generated image and displaying an image on a road surface.

Among the information stored and collected by the central control unit, the basic road sign information includes, for example, direction signs (direction guides on intersections), milestones (street guidance of important points), landmarks (administrative zone boundary guides), and route signs (driving). Route information) and other tunnel signs (traffic safety signs). The real-time road / traffic information includes information on driving conditions of the current situation, accidents ahead, and climate change such as rainfall, snowfall, and fog.

The central control unit is to provide the corresponding information corresponding to the control unit of the structure installed on one side of the road.

Here, the basic road sign information may be stored in advance in a corresponding control unit of a roadside, and the stored information may be generated to display an image on a road surface. In other words, another example of the road / traffic information image display method of the road surface according to the present invention provides a control unit in which road-related information is stored in a structure installed on one side of the road side; Generate an image of the road related information from the control unit through an image generating unit; Projecting the generated image and displaying an image on a road surface.

At this time, the central control unit is provided with real-time road / traffic information and related information necessary for control except for basic road sign information (traffic safety sign information).

Image generation and image display for the related information is generated through the light emitting unit, the image generating unit, and the optical unit described above.

As such, the road / traffic information display system of the road surface according to the present invention provides various road / traffic information through at least one or more methods such as images, icons, and texts to the road surface, thereby providing information to the road user such as a driver. Accessibility and visibility can be easily communicated.

In addition, the present invention can quickly deliver the road / traffic information according to the traffic conditions and weather conditions in a variety of images in real time from the central control unit of the remote location to provide an accident prevention and smooth traffic flow.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes within the scope not departing from the technical spirit of the present invention are possible in the art. It will be evident to those who have knowledge of.

100: prop
110: Housing
200: image generating unit
300: light source generating unit
310: light emitting diode (LED)
320: metal printed circuit board
400: optical unit
500: control unit
600: power supply unit
700: central control

Claims (11)

Shore is installed on one side of the road;
A housing installed at one side of the support and formed of a transparent material on one surface thereof;
An image generation unit installed in the housing to generate an image;
A light source generating unit installed at one side of the image generating unit to irradiate light;
An optical unit installed at the other side of the image generating unit;
A control unit for providing image information to the image generating unit and controlling each unit; And
It includes a power supply unit for supplying power to each unit,
Providing road related information to a road user by expressing road related information on a road surface through an image generated by the image generating unit.
Road traffic information image display system of road surface.
The method of claim 1,
The control unit transmits the road sign information of the road safety sign to the image generating unit,
The image generating unit generates at least one or more of the transferred information into an image, an icon, and text.
Road traffic information image display system of road surface.
The method according to claim 1 or 2,
Further comprising a remote control unit for controlling the operation of the control unit from a remote location, wired or wireless, and providing road related information to the control unit.
Road traffic information image display system of road surface.
The method of claim 3,
The remote control unit provides at least one of a traffic safety sign and at least one of real-time road traffic information of current weather conditions and traffic conditions to the control unit.
Road traffic information image display system of road surface.
The method of claim 1,
The control unit includes a plurality of input / output ports for interfacing with a central processing unit, Ethernet, a wired / wireless transceiver, and an external device.
Road traffic information image display system of road surface.
The method of claim 1,
The optical unit includes a lens module consisting of a flat convex lens, a convex concave lens, a concave / flat convex lens and a flat convex lens and a distance adjusting means for adjusting a mutual distance between the lenses of the lens module,
The focal length of the lens module is 1.8 to 2.5, the left and right viewing angle is 24 °, the angle of incidence is less than 4 °
Road traffic information image display system of road surface.
Store and collect road related information at a remote central control unit;
Transmitting road related information from the central control unit to a control unit of a structure installed at one side of a roadside;
Generating an image of road related information transmitted through the control unit;
Projecting the generated image and displaying an image related to the road related information on a road surface to provide road related information to a road user.
How to display the road traffic information image on the road surface.
The method of claim 7, wherein
The road-related information of the central control unit transmits at least road safety signs and real-time traffic information on climate and traffic conditions.
How to display the road traffic information image on the road surface. 9. The method according to claim 7 or 8,
The generated image is generated by at least one of an image, an icon, and text.
How to display the road traffic information image on the road surface.
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