KR20190101135A - Vehicle information display apparatus and traffic surveilliance system using the same - Google Patents

Abstract

The present invention relates to an apparatus for displaying vehicle information and to a traffic monitoring system using the same. According to the present invention, the apparatus for displaying vehicle information installed on one side of the road to detect and inform a vehicle on the road comprises: a detection unit detecting the vehicle; and a display unit including an information display area for displaying the detected information and a background display area for enhancing the discriminating power of the displayed information. According to the present invention, by displaying the information obtained by detecting the vehicle driving on the road, such as the driving road, the driving direction, the continuous vehicle, the instantaneous speed, and the like in a form of color, shape, letters, symbols, and the like on the road, thereby notifying surrounding vehicles and people of the detection information of the corresponding vehicle.

Description

VEHICLE INFORMATION DISPLAY APPARATUS AND TRAFFIC SURVEILLIANCE SYSTEM USING THE SAME}

The present invention relates to a vehicle information display apparatus, and more particularly, to a vehicle information display apparatus and a traffic monitoring system using the same that can display the detection information of the vehicle on the road.

In general, the vehicle detection system detects the vehicle's driving speed and road traffic by using various sensors and equipment installed on the road, and transmits the detected information to a traffic control center through a wired / wireless communication network, or an electric light sign installed around a road. Output via (VMS; Variable Message Sign).

The vehicle detection system detects a vehicle mainly using a loop sensor as a vehicle detection means, or at least one of a camera, an infrared ray, and a radar in addition to the loop sensor.

Most road display apparatuses such as road light signs display and collect information collected from a vehicle detection system, a weather center, a traffic control center, and the like in order to increase traffic flow efficiency and vehicle safety.

However, road display devices to date are limited to providing traffic related information such as traffic conditions, weather conditions, and safe driving guidance text. In addition, the road display device only provides traffic-related information to passengers in the vehicle while driving, and in fact, the road display device does not provide information that can be used by pedestrians and peripheral devices around the road other than the vehicle occupants. The disadvantage is not wide.

The background technology of the present invention is disclosed in Korean Patent Publication No. 2016-0112358 (published on September 28, 2016).

SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle information display apparatus capable of detecting information of a vehicle driving on a road and expressing it on a road, and a traffic monitoring system using the same.

The present invention provides a vehicle information display apparatus provided on one side of a road and detecting and informing a vehicle on a road, comprising: a detection unit for detecting the vehicle, an information display area for displaying the detected information, and an identification power of the displayed information; It includes an display unit including a background display area for increasing the.

The expression unit may express the information in at least one of a predetermined color, shape, character, and symbol.

The vehicle information display apparatus may further include a determination unit configured to determine at least one piece of information of a traveling lane, a traveling direction, a traveling speed, and whether the vehicle is a continuous vehicle, and provide the information to the display unit.

The determination unit may determine whether the vehicle is traveling in the reverse direction based on the information received from the detection unit.

The detection unit may detect the vehicle using at least one of a radar, an ultrasonic wave, a laser, a loop sensor, and an image detection sensor.

The determination unit may determine whether the vehicle is in reverse driving based on the detection information.

The vehicle information display apparatus calculates a speed of the vehicle based on a time when the vehicle is detected by each of the detection means and a predetermined distance between the detection means when the detection unit includes a plurality of detection means. The display apparatus may further include a controller configured to control the display unit to display the calculated speed.

The control unit may provide at least one of information of detecting the vehicle, the displayed information, and the speed value of the vehicle by using a predetermined communication module.

The display unit may include the information display area and the background display area on one surface and a road display area for displaying road characteristics on the other surface.

The vehicle information display apparatus may further include a power supply unit for supplying power to the vehicle information display apparatus, and the power supply unit may include a battery for power supply and charging means for charging the battery. .

In addition, the present invention, a vehicle information display device provided on one side of the road to detect the vehicle to express predetermined information, and having a background display area for enhancing the discriminating power of the displayed information, and a predetermined distance from the vehicle information display device. Spaced apart so as to obtain the vehicle and the displayed information as an image, analyze the image to generate detection information corresponding to the displayed information, and detect the vehicle by using the generated detection information and predetermined sensing means. It provides a traffic monitoring system including a traffic monitoring device for measuring the section speed using the information.

The traffic monitoring apparatus may include image acquisition means for acquiring the image including the vehicle and the displayed information, and a sensing unit installed at a point spaced apart from the vehicle information display apparatus by a predetermined distance to detect the vehicle. And means for measuring the section speed of the vehicle based on detection information corresponding to the displayed information, detection information by the sensing means, and the distance.

The traffic monitoring apparatus may further include recognition means for recognizing a vehicle number from an image acquired by the image acquisition means at the time of detection by the sensing means, wherein the measurement means includes the speed and the recognized vehicle number. Can be provided.

The vehicle information display apparatus may further include a detector including a detector detecting the vehicle, an information display region displaying the detected vehicle information, and a background display region for increasing the discriminating power of the displayed information. Can be.

The vehicle information display apparatus may further include a determination unit configured to provide the determined information to the display unit so as to determine at least one of a traveling lane, a traveling direction, a traveling speed, and whether the vehicle is continuous and displaying the information on the information display area. It may include.

The display unit may include the information display area and the background display area on one surface and a road display area for displaying road characteristics on the other surface.

The vehicle information display apparatus calculates a speed of the vehicle based on a time when the vehicle is detected by each of the detection means and a predetermined distance between the detection means when the detection unit includes a plurality of detection means. The display apparatus may further include a controller configured to control the display unit to display the calculated speed.

In addition, each of the detection information corresponding to the displayed information and the detection information by the sensing means may include at least one of a detection lane and a detection time point.

According to the present invention, the surrounding vehicle by expressing information such as the traveling lane, the driving direction, whether the continuous vehicle, the instantaneous speed, etc. in real time on the road in the form of color, shape, text, symbol, etc. For example, the detection information of the vehicle can be quickly informed to people.

In addition, the present invention can express information for each lane of the vehicle, and can further enhance the discriminating power of the information by adding a background color for the complementary color effect to the peripheral area of the information display area.

In addition, the present invention is to add a traffic monitoring device that can interpret the display information of the vehicle information display device at a distance away from the vehicle information display device, and further measures up to the section speed of the vehicle when the detection information of the vehicle is displayed. Short speed can be performed for the section speed.

1 is a view showing a vehicle information display apparatus installed on a road according to an embodiment of the present invention.
FIG. 2 is a diagram illustrating a configuration of the vehicle information display apparatus shown in FIG. 1.
3A is a diagram illustrating an example of expressing predetermined information on one surface of the vehicle information display apparatus shown in FIG. 1.
3B is a diagram illustrating a state in which road features are displayed on the other surface of the vehicle information display apparatus shown in FIG. 1.
4 is a diagram illustrating a modification of FIG. 1.
5 is a view showing a traffic monitoring system to which the vehicle information display device of the present invention is applied.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present disclosure.

1 is a view showing a vehicle information display apparatus installed on a road according to an embodiment of the present invention.

As shown in FIG. 1, the vehicle information display apparatus 100 according to an exemplary embodiment of the present invention may be installed in a post on one side of a road to detect a vehicle on a road and display the detected information in real time on the front surface.

The vehicle information display apparatus 100 may process and output information to be displayed in a form that can be easily identified or utilized by peripheral devices installed on the road, pedestrians around the road, vehicle drivers, and the like.

The vehicle information display apparatus 100 may determine a traveling lane, a moving direction, whether the plurality of vehicles are continuously detected, and the like based on the information on which the vehicle is detected, and may express and provide the determined information.

FIG. 2 is a diagram illustrating a configuration of the vehicle information display apparatus shown in FIG. 1.

As shown in FIG. 2, the vehicle information display apparatus 100 according to the embodiment of the present invention includes a detector 110, a determiner 120, a display 130, and a controller 140.

The detection unit 110 detects a vehicle traveling on the road and provides information of the detected vehicle to the determination unit 120.

The detector 110 may detect the vehicle by using at least one detection means among a radar, an ultrasonic wave, a laser, a loop sensor, and an image detection sensor. Here, the detection unit 110 may detect the vehicle by using the reflected wave of the transmission signal when using the radar, ultrasonic waves or laser, and may detect the vehicle by processing the acquired image.

At this time, the detection unit 110 may detect a plurality of lanes by one detection means, or detect a vehicle by lanes using a plurality of detection means.

As shown in FIG. 1, the detection unit 110 includes a first detection unit 110-1 and a second detection unit 110-2. 1 illustrates an example in which the first detection means 110-1 is implemented by at least one non-embedded detection means among a radar, an ultrasonic wave, a laser, and an image detection sensor, and the second detection means 110-2 The example implemented by the buried detection means like a loop sensor is shown.

Of course, each of the first detecting means 110-1 and the second detecting means 110-2 may be implemented with a radar, an ultrasonic wave, a laser, an image detecting sensor, a loop sensor, or the like.

The determination unit 120 receives detection information of the detection unit 110, and determines at least one information of a traveling lane, a traveling direction, and whether the vehicle is continuous based on the detection information, and provides the determined information to the display unit 130. Can be.

Here, whether the vehicle is a continuous vehicle means whether at least two vehicles are continuously detected in the same lane within a set time (ex, 2 seconds). The faster the vehicle is traveling or the more the vehicle is in a narrow distance, the more vehicles can be detected in a short time and the risk of an accident may increase.

The determination unit 120 may check the driving direction of the vehicle based on the detection information of the detection unit 110, and may determine whether the vehicle is reverse driving.

The display unit 130 processes the information determined by the determination unit 120 into at least one of a predetermined color, shape, text, and symbol, and outputs the information through a predetermined output means (for example, LED, LCD, etc.). Here, the display unit 130 may display information for each lane of the road.

In this case, the display unit 130 may include an information display area for displaying information of the detected vehicle and a background display area for displaying a background color corresponding to the displayed information in order to increase the identification power of the displayed information. Here, the background color corresponding to the expressed information may mean a color (ex, complementary color) distinguished from the color of the displayed information, and may be set in advance.

For example, the information display area may express information through a first color, and the background display area may represent a background color using a second color having a contrast relationship with the first color. Here, the background display area may mean an area of an outer portion of the information display area.

On the other hand, although the display unit 130 according to an embodiment of the present invention can change the background color of the background display area in response to the information displayed in the information display area, the background display area may be displayed according to the displayed information. It may be fixed and displayed in a plurality of colors in advance. That is, the background display area may display only a predetermined color in one or a plurality of colors, such as a fixed sign.

In addition, the display unit 130 may set the background color of the background display area in advance in consideration of environmental factors (a surrounding building color, lighting, light, shadow, etc.) in order to minimize interference. In addition, the display unit 130 may further increase the discriminating power by adding a blinking effect to the display information.

Here, the display unit 130 may include an information display area and a background display area on one surface (for example, a front surface), and a road display area for displaying road characteristics on the other surface (for example, a rear surface). have.

The controller 140 controls the detector 110, the determiner 120, and the display 130, and stores and manages information output from the units 110, 120, and 130.

In addition, when the controller 140 receives a detection time of detecting a predetermined vehicle from two points spaced apart from the detection unit 110 by a short distance (for example, 10 m), the controller 140 calculates a speed of the vehicle and calculates the speed of the vehicle. The speed value may be output through the display unit 130. Through this, the vehicle information display apparatus 100 may calculate the instantaneous speed at a predetermined point and provide the same through the display unit 130.

In addition, the controller 140 may provide the traffic monitoring apparatus with detection information of the vehicle detected at a predetermined point, wired / wireless communication means (expressed) expressed by the display unit 130, and an instantaneous speed value of the vehicle. Can be.

On the other hand, the vehicle information display device 100 according to an embodiment of the present invention may further include a power supply unit (omitted) that can perform its own operation when the external power supply is difficult. In this case, the power supply unit (not shown) may include a battery for supplying power to itself, and charging means (for example, a solar charger, etc.) for charging the battery.

3A is a diagram illustrating a state in which predetermined information is displayed on one side of the vehicle information display apparatus illustrated in FIG. 1, and FIG. 3B is a state in which road characteristics are displayed on the other surface of the vehicle information display apparatus illustrated in FIG. 1. The illustrated figure.

According to FIG. 3A, when the vehicle is detected in at least one of two lanes of the road, the display unit 130 outputs information to one surface 130-1 in response to the detected vehicle.

In the case of (1) of FIG. 3A, the display unit 130 expresses detection information through the information display area 131 of one side 130-1, and when the detection unit 110 detects a vehicle on a primary road, The detection information can be notified by expressing it as a character (for example, "1").

At this time, when the detection unit 110 detects a vehicle on the second lane, the display unit 130 may express the detection information as a character (for example, “2”) in the information display area 131. The background display area 132 may display a background color corresponding to the information display area.

On the other hand, when the vehicle is detected at the same time in the primary lane and the secondary lane, the display unit 130 may express so that "1" and "2" overlap.

 In the case of (2) of FIG. 3A, the display unit 130 expresses the detection information by using a combination of colors, and the information display area 131 displays different predetermined colors which are respectively differently assigned to each lane to display the lane. Separate.

In the case of (3) of FIG. 3A, the display unit 130 classifies and provides the information display areas 131-1 and 131-2 for each lane and expresses only the information display area where the vehicle detection is performed in a predetermined color. Of course, when the vehicle is detected at the same time in the first and second lanes, the display unit 130 may display colors in both information display areas 131-1 and 131-2, and the colors differ for each detection lane. It can also be expressed.

In the case of (4) of FIG. 3A, the background display area 132 includes an outer background display area 132-1 and an inner background display area 132-2, and includes information in the inner background display area 132-2. The display area 131 is included. The outer background display area 132-1 has a predefined background color in consideration of the surrounding environment, and the inner background display area 132-2 automatically expresses a background color corresponding to the information displayed in the information display area 131. do.

In this case, the information display area 131 may provide detection information according to a lane in at least one of a predetermined color, shape, text, and symbol.

In addition, as shown in FIG. 3B, the display unit 130 includes a road display area for displaying characteristic information of the road on the other surface 130-2. In this case, the road feature information includes speed limit information, prescribed speed information, road information (eg, a child protection area, an elderly protection area, etc.), safety sign information, and the like.

4 is a diagram illustrating a modification of FIG. 1. 4 illustrates a state in which a plurality of detection means 110-1 and 110-2 are disposed along the road direction for each lane so as to calculate the instantaneous speed of the vehicle at a predetermined point.

As shown in FIG. 4, the vehicle information display apparatus 100 according to an exemplary embodiment of the present disclosure may include a plurality of detection means 110-1 and 110-2 with respect to a moving direction of the vehicle. In this case, the plurality of detection means 110-1 and 110-2 are spaced apart by a predetermined distance (for example, 1 m), and provide detection information for detecting the vehicle.

When receiving the detection time for the traveling vehicle from the plurality of detection means (110-1, 110-2), respectively, the control unit 140 is based on the detected distance received from each of the detection means (110-2) based on the predetermined distance. To calculate the instantaneous speed of the vehicle.

In this case, the controller 140 may control the display unit 130 to display predetermined information (for example, 60 km) in response to the calculated instantaneous speed.

In addition, when the speed is greater than or equal to a preset threshold, the controller 140 may add a letter, a symbol, etc. together with predetermined information corresponding to the instantaneous speed, and may express that the speed is greater than or equal to the threshold (overspeed). Of course, by changing the color, shape, and the like of the information, it can be expressed that the speed is above the threshold.

5 is a view showing a traffic monitoring system to which the vehicle information display device of the present invention is applied.

As shown in FIG. 5, the traffic monitoring system according to the present invention includes a vehicle information display device 100 and a traffic monitor device 150 installed at a predetermined distance from the vehicle information display device 100.

The vehicle information display apparatus 100 detects a vehicle and performs a function of expressing predetermined information. Since the vehicle information display apparatus 100 has been described with reference to FIGS. 1 to 4, detailed description thereof will be omitted.

The traffic monitoring apparatus 150 may include image obtaining means 151 for obtaining an image including information expressed by the vehicle information display apparatus 100, sensing means 152 for detecting a vehicle, and image obtaining means 151. And a measuring means 153 for measuring the section speed of the vehicle by using the sensing means 152.

In addition, the traffic monitoring apparatus 150 may further include a recognizing means (omitted) to recognize and provide a vehicle number of the corresponding vehicle by image processing the image acquired at the detection time of the sensing means 152. .

The image acquiring means 151 is installed on a road point spaced apart from the vehicle information display apparatus 100 by a predetermined distance, and acquires an image including information expressed from the vehicle information display apparatus 100 and measures the measurement means 153. to provide.

The sensing means 152 is a means for detecting a vehicle, and may detect the vehicle using at least one of a radar, an ultrasonic wave, a laser, a loop sensor, and an image detection sensor. 5 shows an example in which the sensing means 152 is implemented as a loop sensor.

The measuring unit 153 detects the vehicle by analyzing the information display area of the display unit 130 from the image information acquired through the image obtaining unit 151 using a pre-stored image processing algorithm. At this time, the detection information of each of the sensing means 152 and the measurement means 153 includes a detection lane, a detection time point, and the like.

In addition, the measuring means 153 is a detection time detected through the information display area of the vehicle information display device 100, a detection time when the vehicle detected by the sensing means 152, and the vehicle information display device 100 and The section speed of the vehicle is measured based on a predetermined distance (eg, within 300 m) between the sensing means 152. In this case, the measuring means 153 may provide the vehicle number and the speed of the corresponding vehicle recognized by the recognition means (omitted).

On the other hand, the recognition means (omitted) may receive an image of the vehicle from the image acquisition means 151 at the time of detection of the sensing means 152, and recognize and provide the vehicle number from the received image.

As described above, the traffic monitoring system according to the present invention is a traffic monitoring system capable of analyzing the display information of the vehicle information display device 100 in a space separated from the vehicle information display device 100 by a predetermined distance (for example, within 300 m). By including the device 150, it is possible to further measure the section speed of the vehicle to perform a short speed for the section speed.

 Meanwhile, the vehicle information display apparatus 100 may provide predetermined information through wired or wireless communication with at least one information display terminal (omitted) installed in an adjacent intersection or pedestrian crossing.

According to the present invention as described above, by expressing the information on the road in the form of color, shape, letters, symbols, such as the progress road, the progress direction, whether there is a continuous vehicle, the instantaneous speed obtained by detecting the vehicle traveling on the road , Nearby vehicles, people have the advantage of quickly detecting the detection information of the vehicle.

Through this, the detection information of the vehicle may be provided to a predetermined information display terminal installed at an intersection of the intersection or the pedestrian crossing, and the vehicle's detection information is provided to the user waiting for the pedestrian crossing in advance to notify the vehicle in advance. There is an advantage that can warn and prevent accidents by inducing the pedestrians crossing safely.

In addition, the instantaneous speed of the vehicle at a predetermined point may be measured and provided by using the vehicle information display device, and the section speed of the vehicle may also be measured and provided by using a traffic monitoring device that interprets the information of the vehicle information display device. Can be. Through this, there is an advantage that can provide both the instantaneous speed and the section speed of the vehicle at a low construction cost.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

100: vehicle information display device 110: detection unit
120: judgment unit 130: expression unit
140: control unit 150: traffic monitoring device
151: image acquisition means 152: sensing means
153: measuring means

Claims (17)

In the vehicle information display device installed on one side of the road to detect and inform the vehicle on the road,
A detection unit detecting the vehicle; And
An display unit including an information display area for displaying the detected information and a background display area for enhancing the discriminating power of the displayed information.
Vehicle information display device comprising a. The method according to claim 1,
The display unit,
And displaying the information in at least one of a predetermined color, shape, text, and symbol. The method according to claim 1,
Determination unit for determining the at least one of the information of the traveling lane, the traveling direction, the traveling speed, and whether the continuous vehicle of the detected vehicle to provide to the display unit
Vehicle information display device further comprising. The method according to claim 3,
The determination unit,
And a vehicle information display device for determining whether the vehicle is in reverse driving based on the information received from the detection unit. The method according to claim 1,
The detection unit,
And a vehicle information display device detecting the vehicle using at least one of a radar, an ultrasonic wave, a laser, a loop sensor, and an image detection sensor. The method according to claim 1,
When the detection unit includes a plurality of detection means, the speed of the vehicle is calculated based on a time when the vehicle is detected by each of the detection means and a predetermined distance between the detection means, and the calculated speed is expressed. Control unit controlling the display unit
Vehicle information display device further comprising. The method according to claim 6,
The control unit,
And a vehicle information display device that provides at least one of information detected by the vehicle, the displayed information, and a speed value of the vehicle using a predetermined communication module. The method according to claim 1,
The display unit,
And an information display area and a background display area on one surface, and a road display area for displaying road characteristics on the other surface. The method according to claim 1,
Further comprising a power supply for supplying power to the vehicle information display device,
The power supply unit,
A battery for power supply; And
And vehicle charging means for charging the battery. A vehicle information display apparatus installed on one side of a road to detect a vehicle and express predetermined information, the vehicle information display apparatus having a background display area for enhancing identification of the displayed information; And
Installed at a distance from the vehicle information display device by a predetermined distance to obtain the vehicle and the displayed information as an image, and analyze the image to generate detection information corresponding to the displayed information, and generate the generated detection information and predetermined sensing. Traffic monitoring device for measuring the section speed by using the information detected by the vehicle by means
Traffic monitoring system comprising a. The method according to claim 10,
The traffic monitoring device,
Image acquisition means for acquiring the image including the vehicle and the displayed information;
Sensing means installed at a point spaced apart from the vehicle information display apparatus by a predetermined distance to detect the vehicle; And
And measurement means for measuring section speed of the vehicle based on detection information corresponding to the displayed information, detection information by the sensing means, and the distance. The method according to claim 11,
The traffic monitoring device,
Recognizing means for recognizing the vehicle number from the image obtained by the image acquisition means at the time of detection by the sensing means,
The measuring means,
A traffic monitoring system providing the speed and the recognized vehicle number. The method according to claim 10,
The vehicle information display device,
A detection unit detecting the vehicle; And
And a display unit including an information display area for displaying information of the detected vehicle and a background display area for enhancing identification of the displayed information.
Traffic monitoring system comprising a. The method according to claim 13,
The vehicle information display device,
A determination unit configured to provide the determined information to the display unit to determine at least one of a traveling lane, a traveling direction, a traveling speed, and whether the vehicle is continuously displayed in the information display area.
Traffic monitoring system further comprising. The method according to claim 13,
The display unit,
And a road display area for displaying a road feature on the other side, the information display area and the background display area on one surface. The method according to claim 13,
The vehicle information display device,
When the detection unit includes a plurality of detection means, the speed of the vehicle is calculated based on a time when the vehicle is detected by each of the detection means and a predetermined distance between the detection means, and the calculated speed is expressed. Control unit controlling the display unit
Traffic monitoring system further comprising. The method according to claim 10,
And the detection information corresponding to the displayed information and the detection information by the sensing means each include at least one of a detection lane and a detection time point.

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