KR101686731B1 - System and method for monitering of banister by using sensor - Google Patents
System and method for monitering of banister by using sensor Download PDFInfo
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- KR101686731B1 KR101686731B1 KR1020150035839A KR20150035839A KR101686731B1 KR 101686731 B1 KR101686731 B1 KR 101686731B1 KR 1020150035839 A KR1020150035839 A KR 1020150035839A KR 20150035839 A KR20150035839 A KR 20150035839A KR 101686731 B1 KR101686731 B1 KR 101686731B1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0476—Cameras to detect unsafe condition, e.g. video cameras
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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Abstract
The present invention provides a railway monitoring system and a method using a sensor that can quickly monitor a dangerous situation occurring near a railway by analyzing a surrounding image of a sensor unit photographed by a camera unit when a sensor unit installed on a railing outputs an arbitrary signal . To this end, the present invention provides a sensor module comprising: a sensor unit installed in a railing to detect deformation and output an arbitrary signal; A camera unit for photographing a peripheral image of the sensor unit; A controller for detecting a signal output from the sensor unit to analyze a position of the deformed sensor unit, receiving the analyzed position information, controlling the camera unit to move to a corresponding position, detecting an image taken by the camera unit, A control module for analyzing through the program and outputting an alarm signal according to the analyzed result; And an alarm notification unit for receiving an alarm signal output from the control module and providing an audiovisual alarm. Accordingly, the present invention has an advantage that, when the sensor unit installed on the handrail outputs an arbitrary signal, the surrounding image of the sensor unit photographed by the camera unit is analyzed to quickly monitor the dangerous situation occurring near the handrail.
Description
The present invention relates to a railway monitoring system and method using a sensor, and more particularly, to a railway monitoring system and method using a sensor, in which, when a sensor unit installed on a handrail outputs an arbitrary signal, a peripheral image of a sensor unit captured by the camera unit is analyzed, And more particularly, to a railway monitoring system and method using a sensor that can be quickly monitored.
Generally, a railing is a structure that is stood at a certain height on the edge of a stair, a bridge, or a floor, and is installed to prevent a person from falling or to be visually appealing.
Most of these railing are made of simple materials such as steel, wood, tempered glass, etc., so that the children can fall into the gap of the railing, and when the height of the railing is low, An accident may occur.
In particular, even adults who are well aware of the danger, there are people who try to use this point, and the bridge railing of the Han River is a dangerous place, This happens a lot.
For example, 1,301 people have attempted to transport on the Hangang Bridge over the last five years. Of these, only 108 on the Mapo Grand Bridge, 48 people have been killed, and the number of cases of insecure and unstable psychological state and life is increasing.
Conventionally, several CCTVs are installed along the extended longitudinal direction of the bridge to prevent the transmission of such a bridge railing, and the manager monitors the images photographed on the people located on the bridge, and identifies safety accidents A management system in which measures are taken by a rescue team or a staff member of the system is used.
However, in the conventional management system, there is a possibility that the safety accident detection is missed because the manager monitors the images photographed by several CCTVs and confirms the movement of the people located in the entire bridge, As the number of bridges to be increased or the longer length of each bridge is increased, CCTV installed increases, and as a result, video information to be monitored is increased, and the labor cost of the monitoring and monitoring personnel is excessively increased.
Also, even if the monitoring supervisor identifies the trusting agent and the trustee, the time elapses while communicating with the rescue team or the staff member in order to inform the personnel of the telephone conversation. As the contents of the incident are transmitted only by voice, In the case of the accident, only the summarized accident contents are reported to the accident site, and there is a problem that it is restricted to receive the contents of the change of the position of the trustee or the trustee according to the passage of time.
In order to solve such a problem, according to the present invention, when a sensor unit installed on a handrail outputs an arbitrary signal, the surrounding image of the sensor unit photographed by the camera unit is analyzed to detect a dangerous situation Monitoring system and method.
According to an aspect of the present invention, there is provided a portable terminal comprising: a case provided along a railing (A); a signal cable accommodated in the case and formed so that an arbitrary signal can be alternated; A sensor unit including a plurality of FBGs (Fiber Bragg Gratings) arranged at predetermined intervals on a cable and outputting a specific wavelength signal generated through reflection, refraction, diffraction, and transmission; A camera unit for photographing a peripheral image of the sensor unit; The controller controls the camera unit to operate according to a predetermined pattern, detects a signal output from the sensor unit, analyzes the position of the sensor deformed through the interrogator, and detects the position of the case and the signal cable The control unit controls the camera unit to move to a corresponding position upon receiving the information, detects an image photographed by the camera unit, analyzes the occurrence of a dangerous operation through a pre-stored image analysis program, and outputs an alarm signal A control module for judging whether or not it is possible; And an alarm notification unit for receiving an alarm signal output from the control module and providing an audiovisual alarm.
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In addition, the control module according to the present invention includes a position analyzer for detecting a signal outputted from the sensor unit and analyzing the position of the deformed sensor unit; A camera controller for receiving position information analyzed by the position analyzer and controlling the camera unit to move to a corresponding position; An image analyzer for detecting an image photographed by the camera moved by the camera controller, analyzing the image through a pre-stored image analysis program, and outputting whether a dangerous operation has occurred; And an alarm control unit for outputting an alarm signal to the alarm notification unit according to a result analyzed by the image analysis unit.
According to another aspect of the present invention, there is provided an image analyzer comprising: an image detector for detecting an image taken by the camera; An image storage unit for dividing a detection region of the image detection unit into a normal region and a dangerous region for storage and storing each dangerous operation in an image; And an image analyzer for analyzing the image detected by the image detector with an image stored in the image storage unit and outputting the occurrence of a dangerous operation according to the analysis result.
Further, the present invention is characterized in that the display unit further comprises a display unit for visually displaying an image taken by the camera unit on an arbitrary screen.
According to another aspect of the present invention, there is provided a method for monitoring a handrail using a sensor, the method comprising the steps of: a) installing a case along a railing (A), a signal cable accommodated in the case, A plurality of FBGs (fiber Bragg gratings) are installed at predetermined intervals in the signal cable so as to be able to identify the FBGs, and output specific wavelength signals generated through reflection, refraction, diffraction, and transmission Sensing a deformation of the sensor unit and outputting an arbitrary signal; b) the control module detects a signal output from the sensor unit and analyzes the position of the deformed sensor through the interrogator; c) the control module receives the location information analyzed in the step b), and controls the camera unit operating according to a predetermined pattern to move to the analyzed location; d) the control module detects an image photographed by the camera and judges whether a dangerous operation has occurred through a pre-stored image analysis program; And e) if the dangerous operation is detected as a result of step d), the control module outputs an alarm signal to the alarm notification unit.
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A railway monitoring system and method using a sensor according to the present invention can analyze a surrounding image of a sensor part photographed by a camera part when a sensor part installed on a handrail outputs an arbitrary signal and can quickly monitor a dangerous situation occurring near a handrail .
In addition, the present invention is capable of precisely measuring the deformation and the position of the case through the sensor unit using light, and enabling long-range and remote communication, thereby achieving more efficient monitoring of the railing.
In addition, the present invention is advantageous in that the image analysis section of the control module divides an image area, which can be detected by the camera section, into a normal area and a danger area and sets the image area in advance, thereby providing a rapid alarm notification.
1 is a block diagram schematically showing a configuration of a railing monitoring system using a sensor according to the present invention.
2 is a block diagram showing a configuration of a control module according to FIG.
3 is a block diagram showing a configuration of an image analysis unit according to FIG.
4 is a perspective view illustrating an external configuration of a railing monitoring system using a sensor according to the present invention.
5 is a view showing a detection region of the image analysis unit divided into a normal region and a dangerous region according to the present invention;
6 illustrates an image of a dangerous operation of the image analysis unit according to the present invention.
7 is a flowchart illustrating a method for monitoring a railing using a sensor according to the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a railway monitoring system and method using a sensor according to the present invention will be described in detail with reference to the accompanying drawings.
(Railing Monitoring System)
FIG. 1 is a block diagram schematically showing a configuration of a railed manned monitoring system using a sensor according to the present invention, FIG. 2 is a block diagram showing a configuration of a control module according to FIG. 1, FIG. 4 is a perspective view showing an external configuration of a railway monitoring system using a sensor according to the present invention. FIG. 5 is a view showing a state in which a detection region of the image analysis unit according to the present invention is divided into a normal region and a dangerous region And FIG. 6 is a diagram illustrating a dangerous operation image of the image analysis unit according to the present invention.
1 to 4, a railway monitoring system using a sensor according to the present invention includes a
The
The
At this time, the
The
The optical fiber made of the plastic fiber is excellent in flexibility, has a large core diameter, is easy to install and construct, and is also inexpensive.
Especially, it has broadband characteristics of 10Gbps up to 100m and 2.5Gbps up to 500m, and is expected as an infrastructure medium of a home network or a home network in which integration of broadcasting and communication is expected. Thereby achieving more efficient monitoring of the system.
The
The
That is, the
Particularly, the communication technology using the optical Bragg grating sensor enables more precise measurement and long-distance and remote communication, and this is a generally known technology, so that a more detailed description will be omitted.
The
The
Furthermore, an infrared camera may be additionally provided so that photographing is possible even at night.
The
The
That is, when an external pressure is applied to the
In this case, when a method of measuring a wavelength value by using a light sensor is used, an interrogator (not shown) may be further provided to measure a wavelength value more precisely and efficiently and to analyze an accurate position have.
The
In addition, the
The
5 and 6, the
The
Here, the
Since the range of the
5 (b), when the person sits on the parapet A while holding the
Exposure to the
6 (a) or 6 (b), when the subject's body is small or the dangerous action radius is small, in such a case Lt; / RTI >
According to the embodiment of the present invention, each of the dangerous operations is imaged in the above case, and is stored in the
As described above, the pre-stored dangerous operation image P is not limited to the drawings, and may include various dangerous operation images P in which various situations are created by an expert having ordinary knowledge in the related field.
The
More specifically, the image on the
Also, it is determined whether the dangerous operation image P stored in the
It is possible to utilize an image analysis program for analyzing a difference between a graphic on a previously stored image and a graphic on the detected image to find a difference between the two graphics or a point of coincidence in a specific graphic area, It is a matter of course that the program is a generally known publicly known technology and can be freely changed and designed by a person having ordinary knowledge.
That is, the
The
That is, the alarm signal means an electrical signal that can be converted into various sound signals or illumination signals.
The
As described above, the
The
(Railing monitoring method)
7 is a flowchart illustrating a method of monitoring a railing using a sensor according to the present invention.
7, the method for monitoring a railing using a sensor according to the present invention includes a deformation sensing step S100, a position analysis step S200, a camera moving step S300, an image analysis step S400, Step S500 and an alarm signal output step S600.
At step S100, the deformation sensing step is a step of sensing the deformation of the
The position analyzing step of step S200 is a step of analyzing the position of the
In step S300, the
In the image analysis step S400, the
If it is determined in step S400 that the dangerous operation is detected, the process proceeds to step S600. If the dangerous operation is not detected, the process proceeds to step S100 where the
In step S600, the
Therefore, when the sensor unit installed on the handrail outputs an arbitrary signal, the present invention analyzes the surrounding image of the sensor unit photographed by the camera unit and can quickly monitor the dangerous situation occurring near the handrail.
Further, it is possible to precisely measure the deformation and the position of the case through the sensor unit using light, and it is possible to perform long-distance and remote communication, thereby achieving more efficient monitoring of the railing.
In addition, the image analysis section of the control module can distinguish the image area, which can be detected by the camera section, into a normal area and a danger area, so that the alert notification can be provided quickly.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. It can be understood that
In the course of the description of the embodiments of the present invention, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, , Which may vary depending on the intentions or customs of the user, the operator, and the interpretation of such terms should be based on the contents throughout this specification.
A: Railing 100: Sensor part
100a: Case 110: Signal cable
120: Sensor 200:
300: control module 310:
320: camera control unit 330: image analysis unit
331: image detecting unit 332: image storing unit
333: Image analysis unit 340: Alarm control unit
400: alarm notification unit 500: display unit
Claims (8)
A camera unit 200 for photographing a peripheral image of the sensor unit 100;
Controls the camera unit 200 to operate in accordance with a preset pattern, detects a signal output from the sensor unit 100, analyzes the position of the deformed sensor 120 through the interrogator, The position information of the case 100a and the signal cable 110 is received from the position of the sensor 120 and controls the camera unit 200 to move to the corresponding position. A control module 300 for analyzing whether a dangerous operation has occurred through a pre-stored image analysis program, and determining whether an alarm signal is output according to the analyzed result; And
And an alarm notification unit (400) that receives an alarm signal output from the control module (300) and provides an audiovisual alarm.
The control module 300 includes a position analyzer 310 for detecting a signal output from the sensor unit 100 and analyzing the position of the deformed sensor unit 100;
A camera controller 320 for receiving the analyzed position information from the position analyzer 310 and controlling the camera unit 200 to move to a corresponding position;
An image analyzer 330 for detecting an image photographed by the camera unit 200 moved by the camera controller 320, analyzing the image through a pre-stored image analysis program and outputting the occurrence of a dangerous operation; And
And an alarm control unit (340) for outputting an alarm signal to the alarm notification unit (400) according to a result analyzed by the image analysis unit (330).
The image analysis unit 330 includes an image detection unit 331 for detecting an image taken by the camera unit 200;
An image storage unit 332 for storing the detection region 200a of the image detection unit 331 as a normal region 332a and the dangerous region 332b and storing the dangerous operation as an image in advance; And
And an image analyzer 333 that compares the image detected by the image detector 331 with an image stored in the image storage unit 332 in advance and outputs whether or not a dangerous operation has occurred according to the analysis result A railway monitoring system using a sensor.
Wherein the handrail monitoring system further comprises a display unit (500) for visually displaying an image photographed by the camera unit (200) on an arbitrary screen.
a) a case 100a provided along the railing A; a signal cable 110 accommodated in the case 100a and formed so as to allow arbitrary signals to flow therethrough; And a sensor 120 composed of a plurality of FBGs (Fiber Bragg Gratings) arranged at predetermined intervals in the signal cable 110 and outputting specific wavelength signals generated through reflection, refraction, diffraction, and transmission Sensing the deformation of the sensor unit 100 and outputting an arbitrary signal;
b) detecting the signal output from the sensor unit (100) by the control module (300) and analyzing the position of the deformed sensor (120) through the interrogator;
c) controlling the camera module 200 to move to the analyzed position by receiving the position information analyzed in the step b) by the control module 300 and operating according to a predetermined pattern;
d) detecting the image taken by the camera module (200) by the control module (300) and determining whether a dangerous operation has occurred through a pre-stored image analysis program; And
e) if the dangerous operation is detected as a result of the determination in step d), the control module 300 outputs an alarm signal to the alarm notification unit 400. [
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KR1020150035839A KR101686731B1 (en) | 2015-03-16 | 2015-03-16 | System and method for monitering of banister by using sensor |
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KR102100175B1 (en) * | 2019-11-15 | 2020-04-13 | 이상섭 | Safety warning device and system for preventing bridge accident |
KR102392286B1 (en) * | 2021-02-16 | 2022-05-02 | 에피텍(주) | System for monitoring dangerous element of underground line using optical cable and method thereof |
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KR101266015B1 (en) * | 2011-09-27 | 2013-05-22 | 한국철도기술연구원 | Monitoring System for Safety Line and railroad track of platform |
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KR100947219B1 (en) * | 2007-12-21 | 2010-03-11 | 손승호 | Prevention apparatus of death from falling from high building |
KR20110125045A (en) | 2010-05-12 | 2011-11-18 | 한국시설안전공단 | System and method for management an integrated variety facilities in safety |
KR101514696B1 (en) * | 2013-05-14 | 2015-04-23 | (주)에스디시스템 | Safety Accident Management System Of Bridge |
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