KR102136676B1 - System and method for monitoring and warning railway platform - Google Patents

Abstract

According to the present invention, the railway station platform monitoring and warning system includes a laser detection unit for monitoring an object invading a safety line and a track of the platform; An image reading unit that analyzes a 3D image based on the information detected by the laser detection unit and determines whether a danger has occurred; A warning device composed of array-type lights arranged radially to illuminate the extracted danger occurrence point; And a control unit that controls the warning device.

Description

Railway Station platform monitoring and warning system and its method{SYSTEM AND METHOD FOR MONITORING AND WARNING RAILWAY PLATFORM}

The present invention relates to a railway station platform monitoring and warning system and method.

Passenger safety is the most important issue in the railroad sector, and despite the fact that railroad safety is being managed intensively, many human and material damages are still occurring due to train track crash, fire accidents, and door jams that often occur during commute times. However, this is emerging as the most urgent problem to be solved in the railway field.

Recently, with the development of information technology (IT), an application system using a CCTV or various types of vision sensors in a railway environment has been attempted. Currently, CCTV installed around the platform is installed and operated at the platform or passenger dense area of each station for the purpose of checking train operation, monitoring passenger movement, and getting on and off, and maintaining the railway infrastructure including vehicle and track conditions. As a result, various types of camera sensors are applied.

While conventional CCTV simply transmits video information to an engineer or local command room passively, it detects the location and motion of people or other obstacles and intelligently judges the dangerous situation by itself and informs the relevant workers to respond quickly. The system is in demand.

In this way, the conventional monitoring system is realistically quick and accurate because the CCTV system must be monitored at all times by simply installing an analog CCTV at the place to be monitored (sequentially showing multiple split screens depending on the number of CCTVs). There is a problem that it is difficult to grasp the situation and respond quickly.

In order to solve this problem, an embodiment of the present invention analyzes a 3D image detected through a laser detector that monitors a railway platform, and when a dangerous situation (dangerous boundary boundary violation) is recognized, an illumination spot is generated at a dangerous place. The purpose of this is to alert the subject (passenger) to quickly recognize a dangerous situation.

According to a first embodiment of the present invention, a railway station platform monitoring and warning system includes a laser detection unit for monitoring an object invading a safety line and a track of a platform; An image reading unit that analyzes a 3D image based on the information detected by the laser detection unit and determines whether a danger has occurred; A warning device composed of array-type lights arranged radially to illuminate the extracted danger occurrence point; And a control unit for controlling the warning device.

According to a second embodiment of the present invention, a railway station platform monitoring and warning method includes monitoring an object invading a safety line and a line of a platform through a laser detection unit; Analyzing a 3D image based on the information detected by the laser detection unit through the image reading unit and determining whether a danger has occurred; And controlling a warning device composed of array-type lights arranged radially at the danger occurrence point extracted through the control unit.

According to any one of the above-described problem solving means of the present invention, it is possible to simplify the system configuration by applying a smaller number of scanning modules than the existing one.

In addition, it can minimize blind spots and improve the speed and accuracy of recognizing dangerous situations. It can be used to control trains by detecting falling objects on the track, and can be easily applied to other dangerous areas (breakwaters, construction sites, etc.) other than railway stations.

1 is a block diagram of a railway station platform monitoring and warning system according to an embodiment of the present invention.
2 is a view showing a railway station platform monitoring and warning system according to an embodiment of the present invention.
3 is a diagram illustrating an example of extracting the recognition and location coordinates of a dangerous object by a laser detection unit according to an embodiment of the present invention.
4 is a view for determining the irradiation angle of the light provided in the warning device according to an embodiment of the present invention.
5 is a view for explaining a method for determining the irradiation range of the light provided in the warning device according to an embodiment of the present invention.
6 is a view showing an example of transmitting a warning message by a warning device according to an embodiment of the present invention.
7 is a flowchart illustrating a railway station platform monitoring and warning method according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains may easily practice. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. In addition, in order to clearly describe the present invention in the drawings, parts irrelevant to the description are omitted, and like reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part is "connected" to another part, this includes not only "directly connected" but also "electrically connected" with other elements in between. . Also, when a part “includes” a certain component, this means that other components may be further included instead of excluding other components, unless otherwise specified.

1 is a block diagram of a railway station platform monitoring and warning system according to an embodiment of the present invention.

Referring to FIG. 1, a railway station platform monitoring and warning system according to an embodiment of the present invention according to an embodiment of the present invention includes a laser detecting unit 10 and a laser for monitoring an object invading a safety line and a track of a platform Based on the information detected from the detector 10, the image reading unit 20 analyzes the 3D image and determines whether a danger has occurred, and the array type illumination 32 arranged radially to illuminate the extracted danger occurrence point It includes a configured warning device 30 and a control unit 31 for controlling the warning device 30.

That is, it is possible to determine whether a passenger violates a boundary of a dangerous area using a rider (LIDAR) technology capable of measuring a high-resolution 3D image. In addition, a warning message can be directly transmitted to a dangerous object (passenger, etc.) by forming a high-illumination lighting spot with high visibility at the extracted danger occurrence point, so that the object can immediately recognize the dangerous situation.

Hereinafter, the railway station platform monitoring and warning system of the present invention will be described in detail with reference to FIGS. 2 to 6.

2 is a view showing a railway station platform monitoring and warning system according to an embodiment of the present invention. 3 is a diagram illustrating an example of extracting the recognition and location coordinates of a dangerous object by a laser detection unit according to an embodiment of the present invention. 4 is a view for determining the irradiation angle of the light provided in the warning device according to an embodiment of the present invention. 5 is a view for explaining a method for determining the irradiation range of the light provided in the warning device according to an embodiment of the present invention. 6 is a view showing an example of transmitting a warning message by a warning device according to an embodiment of the present invention.

Specifically, referring to FIG. 1, the railway station platform monitoring and warning system of the present invention includes a laser detection unit 10, a signal transmission unit 15, an image reading unit 20, a safety situation room 25, and a warning device 30 ).

For example, referring to FIG. 2, the railway station platform monitoring and warning system includes a warning device 30 provided at an upper end of a long stand in a vertical direction and a laser provided at a lower adjacent position of the warning device 30. It may include a sensing unit 10.

As shown in FIG. 3(a), the laser detection unit 10 includes a laser radar (LIDAR), and is arranged to monitor a railway station platform 360 degrees, so that a dangerous object in the platform can be scanned. For example, as illustrated in FIG. 1, the laser detection unit 10 may be configured as a signal collection and processing unit, a laser transmission unit, and a laser detection unit, and refers to a LIDAR module illustrated in FIGS. 2 and 3. do.

As shown in FIG. 3(b), the laser detector 10 may transmit the 3D image information scanned by the dangerous object to the image reading unit 20 through a signal transmission unit 15 connected by wire or wirelessly. have.

The image reading unit 20 may analyze the 3D image information detected by the laser detection unit 10 to determine whether a dangerous object violates a boundary of a dangerous area.

For example, when it is determined that the boundary of the dangerous area has not been violated, the warning device 30 maintains an OFF state and at the same time, whether a violation is provided to the safety situation room 25 is provided, and the engineer and the manager in the station are in a normal state. Can be recognized. As another example, when it is determined that the boundary of the dangerous area has been violated, the control unit 31 may extract the dangerous situation information, transmit the dangerous situation information to the safety situation room 25, and control the warning device 30.

The warning device 30 means a light module, a housing penetrating the stand, accommodated in the housing, and tilting angle of the array-type light 32 and the individual light 32 arranged radially around the stand It may include a drive motor 33 for controlling the, the lighting 32 and the control unit 31 for controlling the drive motor 33. At this time, the control unit 31 not only controls the driving of the lighting 32 and the driving motor 33, but also can perform the operation calculation of the warning device 30 and the extraction of dangerous situation information based on 3D image information. .

Referring to (b) of FIG. 3, the control unit 31 extracts dangerous situation information including the size (R) of the dangerous object, the exact x, y, and z coordinates of the dangerous occurrence point (P) and the image of the dangerous object. Can.

Referring again to FIG. 2, the controller 31 calculates the radiation angle θ of the warning device 30 on the x and y planes based on the coordinates of the danger occurrence point P extracted from the 3D image information and , At least one of the array-type lighting 32 can be determined. Referring to FIG. 4, when one illumination 32 is determined, the radiation angle θ and the tilting angle φ of the illumination 32 on the z plane may be calculated.

Subsequently, referring to FIG. 5, the control unit 31 calculates the irradiation range of the warning device 30 on the x and y planes based on the size R of the dangerous object, and the front and rear positions of the inner lens of the illumination 32 (D) can be adjusted. In addition, the intensity I of the illumination 32 can be determined based on the irradiation range of the warning device 30.

Next, referring to Figure 6, the warning device 30 is the calculated radiation angle (θ) on the x, y plane, the tilting angle (φ) of the illumination 32 on the z plane, the internal lens of the illumination 32 Depending on the front-rear position (D) and the intensity (I) of the lighting (32), it is possible to provide a high-illumination lighting spot to the dangerous objects (targets A and B).

Hereinafter, a method for monitoring and warning a railway station platform will be described with reference to FIG. 7. Among the above-described configurations of FIGS. 1 to 6, the contents of the same configuration will be omitted.

7 is a flowchart illustrating a railway station platform monitoring and warning method according to an embodiment of the present invention.

Referring to FIG. 7, the railway station platform monitoring and warning method includes monitoring an object invading a safety line and a line of a platform through a laser detection unit (S110 ), based on information detected from the laser detection unit through an image reading unit 3 It includes analyzing the dimensional image and determining whether a danger has occurred (S120) and controlling a warning device composed of array-type lights arranged radially at the danger occurrence point extracted through the control unit (S130).

The step of monitoring the object (S110) may scan the object through the laser detection unit 10 (S111), and transmit 3D image information detected by the signal collection and processing unit (S112).

In the determining of whether a danger occurs (S120), the 3D image information detected from the laser detector 10 may be analyzed (S121), and it may be determined whether the dangerous object violates the boundary of the danger area (S122). At this time, if it is determined that the boundary of the danger zone has not been violated, the off state of the warning device 30 is maintained (S122-1), and whether or not the safety situation room 25 has been violated (the boundary of the danger zone has not been violated) ) Can be provided (S122-2 ).

Step (S130) of controlling the warning device may extract dangerous situation information (S131), send the dangerous situation information to the safety situation room (S132), and perform operation calculation and control of the warning device 30 (S133). ).

Specifically, in step S131, the size (R) of the dangerous object detected from the laser detector 10 and the step of extracting the x, y, z coordinates of the risk occurrence point (P), the coordinates of the risk occurrence point (P) Calculating the radiation angle (θ) of the warning device 30 on the x, y plane based on, and determining at least one of the illumination 32 of the array-type illumination 32, one illumination 32 is determined In the case of calculating the radiation angle θ and the tilting angle φ of the illumination 32 on the z plane, the irradiation range of the warning device 30 on the x, y plane based on the size R of the dangerous object Computing, and adjusting the front and rear position (D) of the inner lens of the illumination 32 and determining the intensity (I) of the illumination 32 based on the irradiation range of the warning device (30). .

In step S132, the danger situation information is transmitted to the warning device 30 and the safety situation room 24, and the engineer and the regional manager who has received the danger situation information may implement safety measures (S132-1).

In step S133, the calculated radiation angle θ on the x and y planes, the tilting angle φ of the illumination 32 on the z plane, the front and rear positions D and the illumination 32 of the internal lens of the illumination 32 Depending on the intensity (I), the warning device 30 may be activated (ON) to provide a high-intensity illumination spot for the dangerous objects (targets A and B).

The above description of the present invention is for illustration only, and those skilled in the art to which the present invention pertains can understand that the present invention can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims rather than the above detailed description, and it should be interpreted that all changes or modified forms derived from the meaning and scope of the claims and equivalent concepts thereof are included in the scope of the present invention. do.

10: laser detection unit 15: signal transmission unit
20: image reading unit 25: safety situation room
30: warning device 31: control unit
32: Lighting 33: Lighting angle drive motor

Claims (12)

In the railway station platform monitoring and warning system,
A laser detection unit monitoring an object invading a safety line and a track of a platform;
An image reading unit that analyzes a 3D image based on the information detected by the laser detection unit and determines whether a danger has occurred;
A warning device provided at the upper end of the stand, the housing penetrating the stand, the housing being accommodated in the housing, and consisting of an array-type light arranged radially around the stand; And
Includes a control unit for controlling the warning device;
The laser detection unit is provided on the stand to monitor the railway station platform 360 degrees, it is provided at a position adjacent to the lower side of the warning device,
The control unit
If the subject has not violated the boundary of the dangerous area, the safety situation room is provided with information on whether the violation is normal,
When the subject invades the boundary of the dangerous area, extracts dangerous situation information including the size of the dangerous object, the point of occurrence of the dangerous object, and the image of the dangerous object,
The size of the dangerous object detected from the laser detection unit and the x, y, z coordinates of the dangerous occurrence point are extracted,
Calculate the radiation angle of the warning device on the x, y plane based on the coordinates of the danger point, and determine at least one of the array-type lighting,
When the one illumination is determined, the tilt angle of the illumination on the z-plane and the radiation angle is calculated,
Calculate the irradiation range of the warning device on the x, y plane based on the size of the dangerous object, adjust the front and rear positions of the inner lens of the illumination,
The intensity of the illumination is determined based on the irradiation range of the warning device,
The warning device is to control to illuminate the extracted danger point,
Railway station platform monitoring and warning system. delete delete delete delete delete In the railway station platform monitoring and warning method,
Monitoring an object invading a safety line and a track of a platform through a laser detection unit;
Analyzing a 3D image based on information detected by the laser detection unit through an image reading unit and determining whether a danger has occurred; And
It is provided on the upper end of the stand through the control unit, a housing penetrating the stand, accommodated in the housing, comprising the step of controlling a warning device consisting of an array-type light arranged radially around the stand,
The laser detection unit is provided on the stand to monitor the railway station platform 360 degrees, it is provided at a position adjacent to the lower side of the warning device,
Controlling the warning device,
If the subject has not violated the boundary of the dangerous area, the safety situation room is provided with information on whether the violation is normal,
When the subject invades the boundary of the dangerous area, extracts dangerous situation information including the size of the dangerous object, the point of occurrence of the dangerous object, and the image of the dangerous object,
The size of the dangerous object detected from the laser detection unit and the x, y, z coordinates of the dangerous occurrence point are extracted,
Calculate the radiation angle of the warning device on the x, y plane based on the coordinates of the danger point, and determine at least one of the array-type lighting,
When the one illumination is determined, the tilt angle of the illumination on the z-plane and the radiation angle is calculated,
Calculate the irradiation range of the warning device on the x, y plane based on the size of the dangerous object, adjust the front and rear positions of the inner lens of the illumination,
The intensity of the lighting is determined based on the irradiation range of the warning device,
The warning device is to control to illuminate the extracted danger point,
Railway station platform monitoring and warning method. delete delete delete delete delete

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