KR20140014986A - Safe apparatus of cross-walk on the school zone - Google Patents

Abstract

The present invention relates to a guide device for a crosswalk on a school zone to guide children to safely cross the street at a crosswalk by detecting vehicles in a predetermined detection area and pedestrians at the crosswalk; guiding drivers to stop their vehicles at a safety line; and guiding the pedestrians to cross the street at the crosswalk.

Description

Safety zone of cross-walk on the school zone

The present invention relates to a school zone pedestrian crossing guidance device, and more particularly, to detect a vehicle entering a preset detection area and a pedestrian walking in a crosswalk in real time to induce a vehicle to stop at a safety line. The present invention relates to a school zone pedestrian crossing guiding device having excellent aesthetics as well as inducing a child's safe pedestrian walking by guiding the pedestrian crossing.

As the traffic accident rate in places where children are concentrated like school, hereinafter referred to as school zone, is increasing year by year, various researches are being conducted on laws and physical accident prevention measures to prevent traffic accident rate in school zones.

In order to reduce the traffic accident rate, regulations through a law that limits the speed limit of a vehicle to 30 km are implemented within the school zone, and methods of applying physical accident prevention measures such as safety fences, speed bumps, guide signs, warning signs, and cameras are applied. Although it is actually used, regulations through these laws and accident prevention measures do not reduce the traffic accident rate because they are passive and passive. Accordingly, a method of inducing a pedestrian crossing and waiting for children to come to and from school during the green mother's meeting is mainly used, but this method consumes a lot of manpower and causes a problem that can be effective only at a specific time.

Accordingly, various researches have been conducted on pedestrian guidance systems that lead children to cross the crosswalk safely.

1 is a block diagram of an intelligent safety barrier device for pedestrian crossing described in Korean Patent Registration No. 10-1142004 (name: child protection zone safety barrier bar system).

Safety barrier bar (hereinafter referred to as a conventional pedestrian guide device) of Figure 1 100 is provided with a blocking rod 103, the vehicle detecting means 101 for detecting the approach of the vehicle, and installed toward the approach direction of the vehicle The display means 111 outputs and displays the vehicle speed and the vehicle control signal, and an image monitoring means 121 for capturing an image by photographing a road.

In addition, the conventional pedestrian guide device 100 calculates the speed of the vehicle approaching the vehicle detecting means 101 when the vehicle approaches, and displays the calculated vehicle speed through the display means 111, the vehicle driver in the school zone Be alert to the operation of

In addition, the conventional pedestrian guide device 100 has the advantage that when the crosswalk traffic light (A) is a red manifestation, the blocking rod 103 can reduce the traffic accident rate by intermittent pedestrian crossing.

However, the conventional pedestrian guide device 100 has a problem that can not be applied to the road where the traffic light is not installed because the blocking rod 103 is determined to be blocked and opened simply by the appearance color of the traffic light (A).

In addition, the conventional pedestrian guidance device 100 does not have a means for notifying the pedestrian waiting pedestrians or pedestrians even when the vehicle approaches, the biggest of the traffic accidents in the school zone caused by children crossing the road without knowing the vehicle approaching There is a limit that cannot solve the cause.

In addition, the conventional pedestrian guide device 100 does not have a separate means for detecting the presence of a pedestrian in the crosswalk and notifying the vehicle there is a problem that the traffic accident prevention efficiency is lowered.

In other words, in order to effectively reduce the traffic accident rate in the school zone, the vehicle is provided with a means of detecting whether the vehicle is approaching the crosswalk in real time and a means of detecting whether the pedestrian is crossing the crosswalk in real time. Although it is necessary to control the walking and waiting of pedestrian waiters according to the presence of vehicles and pedestrians, these methods and systems have not been studied.

An object of the present invention is to provide a vehicle based on the number of pedestrians and vehicles provided with vehicle detection means for detecting a vehicle entering a road which is a predetermined detection area, and pedestrian detection means for detecting a pedestrian on a crosswalk. It is to provide a school zone crosswalk guidance device that can determine the stop and pass to reduce the traffic accident occurrence rate in the school zone.

In addition, another solution of the present invention is that the vehicle detection means and the pedestrian detection means are installed at the ends of the support that is installed in a curved shape so as not to interfere with each other, not only excellent aesthetic efficiency but also low data detection error rate It is to provide a school zone crosswalk guidance device that can accurately prevent accidents.

In addition, another solution of the present invention is to accurately recognize the current state to the pedestrian waiting and the vehicle through a variety of methods, such as blocking bars, guides, LED lights, etc. according to the result of the vehicle stop and driving on the road not installed crosswalk An object of the present invention is to provide a school zone pedestrian crossing guidance device that effectively guides children to cross safely.

Solution to Problem The present invention for solving the above problems is installed on one side of the crosswalk pedestrian crosswalk guide device for inducing the safe pedestrian walk of the pedestrian: The crosswalk guide device is installed perpendicular to the ground; A first support formed in a rod shape and installed vertically on an upper surface of the enclosure, and a second formed in a rod shape having a curved surface and having one end connected to an end of the first support, the other ends being opposed to each other. Support and third support; Pedestrian detection means is installed on the second support for detecting the pedestrian crossing the crosswalk; Vehicle detecting means installed on the third support to detect a vehicle approaching the crosswalk; A controller configured to determine guide information indicating walking and waiting of the pedestrian using the presence or absence of a pedestrian detected by the pedestrian detecting means and a vehicle detected by the vehicle detecting means based on a preset signal determination algorithm; And display means for outputting predetermined signal data suitable for the guide information determined by the controller.

In the present invention, the first support, the second support and the third support is preferably formed in a "Y" shape so that the vehicle detection means and the pedestrian detection means do not interfere with each other.

In addition, the present invention is installed between the enclosure and the first support, and further comprising a body on which the outer surface is the expression means is installed, the body is formed so that the cross-sectional area is wider toward the first support in the enclosure Preferably, the display means installed on the outer surface is inclined toward the ground.

In addition, the present invention further includes a rotation member installed inside the enclosure, and a bar shape, one side of which is formed on the rotation member, the other side of which protrudes outward of the enclosure, and the blocking bar is formed on the side of the enclosure. The side penetrating penetrates the through groove having a length and protrudes outward, but the protruding end portion moves upward and downward in accordance with the guide information.

In addition, in the present invention, the blocking bar is preferably in the longitudinal direction perpendicular to the running direction of the vehicle.

In addition, in the present invention, the display means includes at least one or more of the lighting means and the display means, the signal data is preferably at least one or more of the illumination color and the predetermined text.

According to the present invention having the above-mentioned problems and solutions, the traffic accident incidence rate in the school zone is detected by detecting pedestrians on the crosswalk and vehicles entering the predetermined sensing area, and determining the pedestrian walking and waiting according to the detected detection value. Can be reduced efficiently.

In addition, according to the present invention, the vehicle detecting means and the pedestrian detecting means are formed in a curved surface and are installed at each end of the rods installed to face each other so that the visual field is not obstructed from each other, thereby accurately detecting the pedestrian and the vehicle alone.

In addition, according to the present invention, the display means and the LED installed at a predetermined height so as to be easily recognized by the vehicle driver is installed to be inclined toward the ground, so that even a relatively short child can easily recognize the guidance text and the LED light. .

In addition, according to the present invention, by including a blocking bar to prevent unauthorized driving of the vehicle when the vehicle approaches, it is possible to prevent traffic accidents due to indiscriminate driving.

1 is a block diagram of an intelligent safety barrier device for pedestrian crossing described in Korean Patent Registration No. 10-1142004 (name: child protection zone safety barrier bar system).
Figure 2 is a perspective view showing a pedestrian crossing guide device according to an embodiment of the present invention.
3 is a perspective view illustrating the enclosure of FIG. 2.
4 is a cross-sectional view taken along line AA ′ of FIG. 3.
FIG. 5 is a perspective view illustrating the display part of FIG. 2. FIG.
6 is a side view illustrating the sensing unit of FIG. 2.
FIG. 7 is a block diagram illustrating the controller of FIG. 2.
8 is a block diagram illustrating a determination module of FIG. 7.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view showing a pedestrian crossing guide device according to an embodiment of the present invention.

The pedestrian crossing guide device 1 of FIG. 2 is installed on both sides of the road in the vehicle driving direction and is a device for guiding the waiting and waiting of the pedestrian waiting to cross the road or the pedestrian crossing.

In addition, the pedestrian crossing guide device 1 is provided with a housing part 3 having a rectangular pillar-shaped housing 31 installed perpendicular to the ground, and installed on the upper part of the housing part 3 to walk toward the pedestrian waiter and the vehicle ( A display unit 5 for expressing stop and standby (driving) signal data and guidance text, a sensing unit 7 installed vertically on the upper side of the display unit 5, and a housing 3 It consists of a control part 8 which controls a control object.

The enclosure portion 3 is formed in a rectangular column shape having a space therein, and is formed in a box shape, a rotating member (not shown) installed vertically on the ground, and a bar shape installed in the enclosure 31. One end is connected to the rotating member, but the other end is protruded to the outside of the enclosure consists of a blocking bar (9) that the other end is moved up and down in accordance with the rotation of the rotating member.

The display part 5 includes a body 51 formed in a rectangular parallelepiped shape, display means installed on each of the side surfaces of the body 51 toward the walking waiter and the approaching vehicle, and the body 51 of the body 51. LED display unit 55 is provided on each side.

3 is a perspective view illustrating the enclosure of FIG. 2, and FIG. 4 is a cross-sectional view taken along line AA ′ of FIG. 3.

3 and 4, the housing part 3 has a rectangular pillar-shaped housing 31 having a receiving space therein, a rotating member 33 installed inside the housing 31 to generate a rotational movement, and a bar shape. It is formed of one end is coupled to the rotating member 33, the other side is composed of a blocking bar (9) which is installed to protrude out of the enclosure (31).

The enclosure 31 is formed with through grooves 313 and 313 having lengths penetrating the sides of the side surfaces 313 and 313 ′, and the through grooves 313 and 313. ') Through the blocking bar (9). At this time, any one of the side surfaces 311 and 311 'formed with the through grooves 313 and 313' faces the road so that the vehicle stops or passes in accordance with the opening and closing of the blocking bar 9. do.

In addition, in FIG. 3, the through holes 313 and 313 ′ of the enclosure 31 are formed at opposite sides 311 and 311 ′ so that two blocking bars 9 and 9 ′ are provided. For example, but the through groove 313 of the housing 31 is formed in the side to be connected to one side blocking bar (9) perpendicular to the road, the other side blocking bar is installed perpendicular to the crosswalk entry direction vehicle and It may consist of cracking down on each waiting walker.

The rotating member 33 is installed inside the enclosure 31 to generate a rotational motion. At this time, since the rotating member 33 is a device commonly used in machines and apparatuses, detailed description thereof will be omitted.

The blocking bar 9 penetrates the through-groove 313 of the enclosure 31 so that one end thereof is coupled to the rotating member 33 while the other end thereof protrudes out of the enclosure 31. At this time, the blocking bar 9 preferably has a longitudinal direction perpendicular to the driving direction (road direction) of the vehicle.

In addition, the blocking bar 9 is moved in the through groove 311 in accordance with the rotation of the rotary member (33). At this time, the rotation of the blocking bar 9 is rotated so that the end portion is horizontal to the ground when the control unit 8 determines the vehicle stop, and the end is turned toward the ground when determining the vehicle running.

FIG. 5 is a perspective view illustrating the display part of FIG. 2. FIG.

The display part 5 of FIG. 5 is formed in a rectangular parallelepiped shape, the body 51 installed on the upper part of the housing part 3, and the side surfaces of the side surfaces of the body 51 toward the approaching vehicle and the waiting waiter. And display means 53 and 53 'installed at 511 and 511', and LED display portions 55 provided at each of the side surfaces of the body 51. As shown in FIG.

The body 51 is formed in a rectangular parallelepiped shape, and the cross-sectional area becomes wider from the lower side to the upper side, that is, the side surfaces are inclined toward the ground, thereby increasing the aesthetic efficiency and at the same time inclining the side toward the ground, so that the height is relatively small. The child can easily recognize the manifestation of the light emitted from the LED display (55). That is, since the body 51 on which the display means 53 and the LED display unit 55 are installed must be installed at a predetermined height or more in order to be easily recognized by the vehicle driver's view, relatively short children are easily read. Since the display means 53 and the LED display unit 55 are installed to be inclined toward the ground, the vehicle driver, the pedestrian, and the pedestrians can easily read the displayed data.

In addition, LED display units 55 are provided at the edges of the side surfaces of the body 51, respectively, and are configured to emit green and red light. In the present invention, the means for emitting light is described as an LED display unit 55, for example, but the light emitting unit is not limited to the LED display unit 55.

In addition, the LED display units 55 installed on opposite sides of the body 51 are configured to emit light of the same color, and emit green and red light under the control of the controller 8.

That is, when the controller 8 determines the pedestrian walking, the LED display unit 55 installed on the side surfaces of the body 51 in the direction perpendicular to the road driving direction emits green light, and the body in a direction parallel to the road driving direction ( The LED display portion 55 provided on the sides of the 51 emits red light.

The display means 53 is installed on the adjacent sides 511 and 511 'of the body 51 and stops at "School Zone.", "STOP", "Cross pedestrian crossing." The preset guide phrases are displayed. At this time, the display means installed on the side of the direction toward the pedestrian waiting is displayed a phrase for guiding the walking and waiting of the pedestrian waiting, the other display means is displayed a guide phrase suitable for the approaching vehicle.

6 is a side view illustrating the sensing unit of FIG. 2.

The sensing unit 7 of FIG. 6 is formed in the shape of a rod, the end of which is separated from the support 71 formed in a “Y” shape, and is installed at one end of the support 71 to detect a pedestrian on a crosswalk. The sensing means 73 and the vehicle detecting means 75 is installed at the other end of the support 71 to detect the vehicle.

The support 71 is formed in the shape of a rod and is vertically installed on the upper surface of the upper surface of the body 51 of the display portion 5, and is formed in a curved surface and connected to an end of the first support 711. But the end is composed of the second, third support 713, 715 is installed opposite to each other.

In addition, the second support 713 and the third support 715 are installed to face each other, the direction connecting the ends are installed so as to be parallel to the driving direction of the vehicle. That is, the end of the third support 715 is installed to face the approaching vehicle, the end of the second support 713 is opposed to it.

In addition, the end of the second support 713 is provided with a pedestrian detecting means 73 for detecting a pedestrian on the crosswalk, the vehicle detecting means 75 for detecting an approaching vehicle is installed at the end of the third support 715. do.

The vehicle detecting unit 75 detects a vehicle entering a preset detection area (not shown) and a vehicle that is spent from the detection area. At this time, the vehicle detecting means 75 is configured to detect the vehicle by sending a radar signal to the detection area and then collecting the reflected signal, and the detailed description is omitted since the detection method and means using the radar signal are commonly used techniques. Let's do it.

In addition, the vehicle detecting means 75 is installed at the end of the third support 715 is formed in a curved surface to open the field of view toward the approaching vehicle to accurately detect the vehicle.

The pedestrian detecting unit 73 is a 3D camera which captures a pedestrian crossing, which is a preset photographing area, and acquires an image. The acquired image is input to the controller 8.

In addition, the pedestrian sensing means 73 is installed at the end of the second support 713 is formed in a curved surface to open the field of view toward the crosswalk as a photographing area to obtain an accurate image.

In addition, in the present invention, for example, the vehicle detecting means 75 is configured as a radar and the pedestrian detecting means 73 is configured as a 3D camera, but the vehicle detecting means 75 and the pedestrian detecting means 73 are used to identify the vehicle and the pedestrian. Various ways of sensing can be applied.

As described above, the sensing unit 7 applied to the present invention includes a vehicle detecting unit 75 and a pedestrian detecting unit 73, and the vehicle detecting unit 73 and the pedestrian detecting unit 75 are not obstructed by each other. By being installed at the end portions of the second support 713 and the third support 715 which are installed so as to face each other, the vehicle and the pedestrian can be detected independently while having excellent aesthetics.

FIG. 7 is a block diagram illustrating the controller of FIG. 2.

The controller 8 of FIG. 7 includes a memory 82 in which data is stored, an image processing module 83 for detecting the number of pedestrians on a crosswalk by analyzing an image acquired by the pedestrian detecting unit 73, and a vehicle detection unit. A vehicle detection module 84 for detecting a vehicle in the detection area by using the received signal collected through the means 75, a display module 85 for displaying preset guide phrases on each of the display means 53; Judgment module 86 for determining the guide information indicating the passage and stop of the vehicle based on the number of pedestrians and vehicles detected by the image processing module 83, and the LED display unit corresponding to the guidance information determined by the determination module 86 LED processing module 87 for determining the color of the 55, the blocking bar processing module 88 for determining the rotation of the blocking bar 9 in response to the guide information determined by the determination module 86, and these controls To control objects 82, 83, 84, 85, 86, 87, 88 It consists of a control module 81.

In addition, the control unit 8 is connected to the switching unit 91 for driving the LED display unit 55, the rotating member drive unit 93, the display means 53, the pedestrian detection means 73.

The control module 81 is an operating system (OS) of the control unit 8 and controls the connection targets 82, 83, 84, 85, 86, 87, and 88. .

The memory 82 stores information about a preset photographing area and a sensing area, image information obtained by the pedestrian detecting unit 73, and a preset image processing algorithm.

In addition, the memory 82 stores a preset set value TH, which is a maximum number of vehicles, which is a reference value for determining a vehicle crossing stop. At this time, the set value TH is preferably set to '0' for the safety of pedestrians, but may be changed according to vehicle density.

The image processing module 83 detects the number of pedestrians in the photographing area (crosswalk) by analyzing the 3D image based on the image processing algorithm stored in the memory 82.

In addition, the detection value detected by the image processing module 83 is input to the determination module 86 under the control of the control module 81.

The image processing module 84 detects the number of vehicles in the detection area by using the received signal collected through the vehicle detecting means 75, and the detected number of vehicles is input to the determination module 86.

8 is a block diagram illustrating a determination module of FIG. 7.

The determination module 86 determines that there is no pedestrian by the pedestrian presence determining module 861 and the pedestrian presence determining module 861 that determine whether the number of pedestrians detected by the image processing module 83 is equal to or greater than '1'. When the comparison module 863 and the pedestrian presence determination module 861 which are driven when the number of vehicles input from the image processing module 84 are compared to the set value TH are determined to be pedestrians on the crosswalk, The stop is determined as guide information, and when the number of vehicles is less than the set value TH by the comparison module 863, the vehicle stop is guide information determination module 865 as guide information.

In addition, the present invention has been described with an example of the manifest detection algorithm for determining the appearance based on the number of pedestrians and the number of vehicles is configured and operated as the determination module 86 of FIG. It is not limited to the operation configuration of 86).

For example, if the children cross the crosswalk, the crosswalk guide device 1 according to one embodiment of the present invention, if the pedestrian presence determination module 861 recognizes the presence of a pedestrian, the guide information determination module 865 is a vehicle political vehicle. If there is no pedestrian but there is no pedestrian but the number of vehicles entering the sensing area is more than the set value (TH), the guide information determination module 865 determines the traffic to be guide information, and if there is no pedestrian, When the number of vehicles is less than the set value TH, the guide information determining module 865 determines the guide information to be suitable for the number of pedestrians and vehicles by determining the vehicle stop as guide information, so that the pedestrian can safely cross the road.

The LED processing module 87 determines that a red or green LED light is emitted according to the determination of the guide information determination module 865 of the determination module 86, and drives the switching unit 91 according to the determined data to display the LED display unit. At 55 the light is turned on.

In addition, when the guide information determined by the guide information determining module 865 is a vehicle stop, the LED processing module 87 emits green light to the first and third LED display units 55 and to the second and fourth LED display units 55. The red light is turned on, and when the guide information is passed through the vehicle, the red light is turned on the first and third LED displays 55 and the green light is turned on the second and fourth LED displays 55.

The blocking bar processing module 88 controls the rotating member driving unit 93 so that the end of the blocking bar 9 is upward when the guide information determining module 865 determines 'vehicle stop (pedestrian walking)' and determines the guide information. When the module 865 determines 'vehicle passing (pedestrian waiting)', the rotating member driving unit 93 is controlled to control the rotating member driving unit 93 so that the end of the blocking bar 9 is downward.

The display module 85 displays preset guide phrases on the first display means 53 facing the approaching vehicle and induces safe crossing by displaying preset guide phrases on the second display means 53 facing the pedestrian waiting. do.

1: Crosswalk guide device 3: Enclosure
5: expression part 7: detection part
9: blocking bar 51: body
53: display means 55: LED display part

Claims (6)

In the crosswalk guide device installed on one side of the crosswalk to induce the safe pedestrian walk of the pedestrian:
The crosswalk guide device
A housing installed perpendicular to the ground;
A first support formed in a rod shape and installed vertically on an upper surface of the enclosure, and a second formed in a rod shape having a curved surface and having one end connected to an end of the first support, the other ends being opposed to each other. Support and third support;
Pedestrian detection means is installed on the second support for detecting the pedestrian crossing the crosswalk;
Vehicle detecting means installed on the third support to detect a vehicle approaching the crosswalk;
A controller configured to determine guide information indicating walking and waiting of the pedestrian using the presence or absence of a pedestrian detected by the pedestrian detecting means and a vehicle detected by the vehicle detecting means, based on a preset present detection algorithm;
And a display means for outputting predetermined signal data suitable for the guide information determined by the controller. The pedestrian crossing according to claim 1, wherein the first support, the second support and the third support are formed in a “Y” shape so that the vehicle detecting means and the pedestrian detecting means do not interfere with each other. Guide device. The method of claim 1, further comprising a body which is installed between the housing and the first support, the expression means is installed on the outer surface,
The body
Cross-section guide device is characterized in that the cross-sectional area is formed so as to be wider toward the first support in the enclosure is installed on the outer surface inclined toward the ground. According to any one of claims 1 to 3, Rotating member is provided in the interior of the enclosure, and formed in the shape of a bar, one side to the rotating member, the other side further comprises a blocking bar protruding to the outside of the housing,
The barrier bar is a pedestrian crossing guide device characterized in that the protruding out through the through groove having a length penetrating the side to the side of the enclosure, the end protruding in accordance with the guide information is moved up and down. The pedestrian crossing guide device according to claim 4, wherein the blocking bar has a longitudinal direction perpendicular to a driving direction of the vehicle. The pedestrian crossing guidance device according to claim 4, wherein the display means comprises at least one or more of lighting means and display means, and the signal data is at least one or more of an illumination color and preset phrases.

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