KR20210089605A - A System for Detecting a Rail Condition and Analysing an Abnormal State - Google Patents

Abstract

The present invention relates to a system for detecting a rail condition and analyzing the presence or absence of a disorder. The system for detecting the rail condition and analyzing the presence or absence of a disorder comprises: a rail condition detection module (12) installed on a rail for detecting the rail condition; a management server (11) to which the information detected by the rail condition detection module (12) is transmitted; a sensor management module (14) installed on the management server (11) to transmit the disorder status analyzed by the detection information transmitted from the rail condition detection module (12) to a worker; and a rail management module (15) which stores information on the rail condition, and allows the worker to access and monitor the condition information and the work status. The rail condition detection module (12) is able to detect a vibration generated on a rail and the position of an operating train, and transmit the information to the worker directly or through the management server (11).

Description

{A System for Detecting a Rail Condition and Analysing an Abnormal State}

The present invention relates to a line condition detection and abnormality analysis system, and specifically, based on detection information transmitted from a sensor installed on the line, detects the line condition to analyze the abnormality, and provides the analysis result to a worker for maintenance and repair It relates to a track condition detection and abnormality analysis system that detects a train from a sensor while transmitting and prevents a risk due to work.

Although the operation of a railroad vehicle traveling along a train track proceeds according to a predetermined plan, an error may occur in the time of reaching a predetermined position in the course of actually operating the train. The train operation status and the train operation status can be checked in various ways, but it is difficult to transmit to the actual site. For example, when maintenance work or similar line-related work is performed on the track, it is necessary to detect the approach of the train to the work site along the track in advance and take appropriate action accordingly. Techniques for protecting such workers or preventing train accidents are known in the art. Patent Publication No. 10-2010-0044339 discloses a system and method for promoting the safety of workers who are working on the railroad tracks. In addition, Patent Registration No. 10-2145481 clearly detects when an operator approaches a railroad car while performing maintenance work on the track, and when it is determined that the train enters the track, it emits a light emitting alarm or sound so that the operator can easily recognize it. Disclosed is a safety alarm system for railroad workers that prevents the possibility of a safety accident in advance. In order to accurately detect the approach of railroad vehicles in various environments and take measures accordingly, it is necessary to create a system capable of monitoring the approach of railroad vehicles in real time while being easily installed. In addition, there is a need to develop a technology that detects and analyzes the state of the line by the detection sensor and transmits the analysis result to the operator so that the maintenance work is performed efficiently. However, the prior art does not disclose such a system.

The present invention has the following objects to solve the problems of the prior art.

Prior art 1: Patent Publication No. 10-2010-0044339 (Korea Railroad Research Institute, 2010.04.30. Disclosure) Risk detection system and risk detection method for the safety of railroad workers Prior art 2: Patent registration number 10-2145481 (Salt Co., Ltd., announcement on August 19, 2020) Track safety support system through train detection

An object of the present invention is to detect the condition of the track based on the detection information transmitted from the sensor installed on the track and analyze whether there is an abnormality, and detect the train from the sensor while transmitting the analysis result to the operator for maintenance and repair, thereby risking the operation It is to provide a line state detection and abnormality analysis system to prevent this.

According to a suitable embodiment of the present invention, the line condition detection and abnormality analysis system includes a line condition detection module installed on the line to enable detection of the line condition; a management server to which information detected by the line condition detection module 12 is transmitted; a sensor management module installed in the management server and transmitting to the operator an abnormal state analyzed by the detection information transmitted from the line state detection module to the operator; and a track management module in which information on the track state is stored, and the operator accesses it to monitor the state information and work state, and the track state detection module detects the vibration generated in the track and detects the operating position of the train. It can be transmitted to the operator directly or through the management server.

According to another suitable embodiment of the present invention, the line condition detection module further includes a vibration sensor module that is detachably installed on the line for detecting the vibration of the line.

According to another suitable embodiment of the present invention, the line condition detection and abnormality analysis method includes the steps of installing a detection module for detecting the line condition on the line; collecting line state data from the detection module; detecting an abnormal state by analyzing the state data; storing the abnormal state of the line in the server and transmitting it to the operator; And the worker accesses the server and monitors the transmitted abnormal state.

The line condition detection and abnormality analysis system according to the present invention analyzes a defect, deformation or similar abnormal condition of a line based on information transmitted from a sensor installed on the line. In addition, the analysis system according to the present invention enables the operator to access the server and monitor the data transmitted from the sensor to the server to ensure the effectiveness of the maintenance work. The system according to the present invention detects vibrations generated in the course of operation of a railway vehicle and transmitted along the track, so that the operating position of the train can be accurately determined in real time. According to the location and condition of the railroad car on the track, it is possible to alert the workers working on the track to a danger, thereby preventing an accident. The system according to the present invention can be simply installed so that the vibration detection module can be separated on the line, thereby being installed in various positions as necessary to prevent danger. The system according to the present invention can be applied to various situations to detect a danger according to the approach of a railroad vehicle and generate an alarm signal accordingly to prevent danger, and is not limited by the application environment.

1A and 1B show an embodiment of a line state detection and abnormality analysis system according to the present invention.
2 shows an embodiment of a vibration detection module and a position detection process according thereto in the system according to the present invention.
3 illustrates an embodiment of a location detection process in the system according to the present invention.
4A and 4B show an embodiment to which the state detection and analysis process by the system according to the present invention is applied.
5 shows an embodiment of the operation process of the system according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the embodiments are for a clear understanding of the present invention, and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so they will not be repeatedly described unless necessary for the understanding of the invention, and well-known components will be briefly described or omitted, but the present invention It should not be construed as being excluded from the embodiment of

1A and 1B show an embodiment of a line state detection and abnormality analysis system according to the present invention.

1A and 1B , the line condition detection and abnormality analysis system includes a line condition detection module 12 installed on a line to detect the line condition; a management server 11 to which information detected by the line condition detection module 12 is transmitted; a sensor management module 14 that is installed in the management server 11 and transmits to the operator an abnormal state analyzed by the detection information transmitted from the line state detection module 12 to the operator; and a track management module 15 in which information on the track state is stored, and the operator accesses it to monitor state information and work state, and the track state detection module 12 detects vibrations generated in the track and trains the train. It is possible to detect the operation position of the operator and transmit it to the operator directly or through the management server 11 .

The track condition detection module 12 may include, for example, a vibration sensor that is detachably installed on the track, detects the vibration of the track generated due to train operation or other causes, and transmits it to the management server 11 . The management server 11 may analyze the transmitted sensing information to analyze the defect, deformation or similar abnormal state of the line and transmit it to the operator module 13 for maintenance. Also, the track condition detection module 12 may detect whether a train approaches from information generated and sensed on the track. And the sensing information may be transmitted to the operator module 13 directly or through the management server 11 . The operator module 13 includes various types of electronic devices that can be connected to the management server 11 while being carried by the operator or the operator. The operator module 13 may be connected to the track management module 15 to monitor a part requiring maintenance work or the operating condition of the train.

Referring to FIG. 1B , when the train T is operated along the tracks R1 and R2, vibration may be generated in the tracks R1 and R2, for example, a track state detection module 12 such as a vibration sensor module ), the vibration generated in the lines R1 and R2 can be detected. The vibration of the track may be generated by various causes, and the vibration according to the operation of the train T may have a constant frequency form. Also, as the train T moves along the traveling direction VD, the vibration frequency may change. The vibration sensor module may be installed in the lines R1 and R2 to be detachable, and may be installed in various positions of the lines R1 and R2. Vibration detection may be operated in a wake-up manner, and the operation initiating unit W for operating the vibration sensor module by various types of vibration may be installed together with the vibration sensor module or separately from the vibration sensor module. have. When various types of vibration are detected by the operation initiating unit W, the vibration sensor module may be operated to detect the vibration, and the frequency of the detected vibration may be analyzed by the frequency analysis unit 141 . The frequency analysis unit 141 may detect whether the generated vibration corresponds to vibration according to the operation of the train T or is due to another cause. In addition, the frequency analysis unit 141 may analyze the abnormal state of the lines R1 and R2 by the line state detection unit 151 based on the analyzed frequency, for example, breakage of the lines R1 and R2, It is possible to analyze damage, deformation, or similar abnormal state of the line. In addition, the state of the detected lines R1 and R2 may be stored. In addition, the abnormal state of the lines R1 and R2 may be transmitted to the operator module 13 to perform maintenance or repair work. The worker module 13 also connects to the server and transmits it to the line condition detection unit 151 to check the abnormal state of the lines R1 and R2, and check the location where the detection sensors are installed on the lines R1 and R2. . Vibrations generated in the tracks R1 and R2 due to the operation of the train T may be detected and analyzed in real time. If the operation of the train T is detected in the vibration detection process and work is being performed in the work area with it, the risk detection unit 16 may inform the operator module 13 that the train T is approaching. . Approach information of the train T may include travel direction (VD) and moving speed information, and a laser measuring device, ultrasonic measuring device or similar speed measuring device (V) is installed together with the vibration sensor module or independently of the vibration sensor module can be The alarm signal may be transmitted, for example, through an electronic device such as a danger warning broadcast, an operator's earphone, a worker's helmet, a smart phone, or a danger indication light emitting means. The danger signal may be transmitted in various ways and the present invention is not limited thereby.

2 shows an embodiment of a vibration detection module and a position detection process according thereto in the system according to the present invention.

Referring to FIG. 2 , a vibration sensor module 20 may be detachably installed on a line for detecting vibration. The vibration sensor module 20 includes a detection body 21; a vibration sensor 22, such as a three-axis acceleration sensor, disposed inside the detection body 21; a connector 23 to which a transmission cable for transmitting information detected by the vibration sensor is connected; an attachment unit 24 for attaching the detection body 21 to the track; and at least one anchor unit 25_1 to 25_K for fixing the detection body 21 to a predetermined position. An electronic chip including a vibration sensor 22 and a processor processing detected vibration data while controlling the operation of the vibration sensor 22 may be disposed inside the detection body 21 . The attachment unit 24 may be, for example, a magnetic material or a fastening bolt, and the vibration sensor module 20 may be detachably attached to the track by the attachment unit 24 . At least one anchor unit 25_1 to 25_K is coupled to the attachment unit 24 so that the vibration sensor module 20 may be attached to the ground. A contact detection pad 26 may be installed in the attachment means 24 , and the attachment state of the vibration sensor module 20 to the line may be confirmed by the contact detection pad 26 . If the vibration sensor module 20 is not attached to the line with a predetermined pressure, it may be detected by the contact detection pad 26 and transmitted to the management server. When vibration is detected by the vibration sensor 22 such as a three-axis acceleration sensor (P21), it may be converted into a processable electrical signal, and noise may be removed (P22). The detection signal from which the noise has been removed may be amplified (P23), and a pattern of vibration frequencies may be analyzed from the amplified signal (P24). And the position of the train may be detected based on the analyzed frequency pattern (P25). Hereinafter, such a process will be described in detail.

3 illustrates an embodiment of a location detection process in the system according to the present invention.

Referring to FIG. 3 , a detection position DP at which the vibration sensor modules 20_1 , 20_2 , and 20_3 will be installed may be determined on the track R based on the work area W . At least one vibration sensor module 20_1, 20_2, 20_3 may be installed at the detection position, and when the train T approaches the work area W along the track R, the vibration sensor modules 20_1, 20_2, 20_3 ) can be detected by Detection information may be transmitted to the analysis/alert system 30 . Optionally, a state detection means 15 for speed detection or state detection is arranged so that it can be operated together or independently of the vibration sensor modules 20_1 , 20_2 , 20_3 . The analysis/alarm system 30 may generate an alert by determining whether the train T approaches based on information transmitted from the vibration sensor modules 20_1 , 20_2 , and 20_3 . In the above process, the analysis/alarm system 30 may transmit detection information to the management server 11 , and the transmitted detection information may include abnormal state of the track R or operation information of the train. In addition, the operator may access the management server 11 to monitor the detection information or the operation information.

4A and 4B show an embodiment to which the state detection and analysis process by the system according to the present invention is applied.

4A and 4B, various types of vibration may be generated according to the operation of the train, and the state of the track R may be analyzed by analyzing the generated vibration information. Breakage, damage, deformation, or similar abnormality of the track can be detected by analyzing various vibration frequencies generated on the track from trains running at different speeds. As described above, when an abnormal state of the line is detected, it can be transmitted to the operator module. And the abnormal state of the line can be confirmed by the operator module. In addition, the occurrence of hazardous situations in the course of work can be detected and risks can be prevented. When the train reaches the predetermined track position TP, the vibration generated in the track due to the approach according to the traveling direction MD of the train at the detection position DP may be detected. The detection distance DL may be appropriately set according to the type of train, the state of the track, the sensitivity of the vibration sensor, or environmental conditions. The vibration frequency DF may be obtained by the vibration sensor, and the vibration frequency DF may be analyzed to obtain a characteristic frequency AF according to the approach of the train. Various types of vibration frequencies DF may be acquired, and reference data for analysis needs to be made in advance.

5 shows an embodiment of the operation process of the system according to the present invention.

Referring to FIG. 5 , a method for detecting a line condition and analyzing the presence or absence of an abnormality step (P51) of installing a detection module for detecting a line condition on a line; The step of collecting the state data of the line from the detection module (P52); detecting an abnormal state by analyzing the state data (P53); Storing the abnormal state of the line in the server and transmitting it to the operator (P54); and a step (P55) of the worker accessing the server and monitoring the transmitted abnormal state.

For example, the vibration sensor module and the line state detection module may be installed at a predetermined position on the line so that they can be separated (P51). Track state data may be collected from vibrations generated according to the sea of clouds of the train (P52), and by analyzing the collected track state data, for example, breakage, deformation, damage or similar abnormal conditions may be detected (P53) . The abnormal state generated in such a line may be transmitted to the operator (P54), and may also be stored in the server. The operator can access the server and check the transmitted detection information to monitor the work status (P55). When a job such as maintenance or repair on the track is performed, the working position may be stored in the server (P56), and whether the train approaches may be checked (P57). If the train is not approached (NO) in the course of work, the working state can be maintained. In contrast, when the train approaches the working position (YES), the alarm system may be activated (P58). The danger signal may be transmitted to the operator in various ways, and the present invention is not limited thereby.

Although the present invention has been described in detail with reference to the presented embodiments, those skilled in the art can make various modifications and modified inventions without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by such variations and modifications, but only by the claims appended hereto.

11: management server 12: line condition detection module
13: operator module 14: sensor management module
15: line management module 16: hazard detection unit
20: vibration sensor module 21: detection body
141: frequency analysis unit 151: line condition detection unit

Claims (3)

a line condition detection module 12 installed on the line to enable detection of the line condition;
a management server 11 to which information detected by the line condition detection module 12 is transmitted;
a sensor management module 14 that is installed in the management server 11 and transmits to the operator an abnormal state analyzed by the detection information transmitted from the line state detection module 12 to the operator; and
Information on the state of the line is stored, and a line management module 15 that allows the operator to access and monitor the state information and the working state is included,
The track condition detection module 12 detects the vibration generated on the track, detects the operating position of the train, and transmits it to the operator directly or through the management server 11. Track condition detection and abnormality analysis system, characterized in that it can be transmitted to the operator . The line condition detection and abnormality analysis system according to claim 1, wherein the line condition detection module (12) further comprises a vibration sensor module (20) that is detachably installed on the line for detecting vibration of the line. A step of installing a detection module for detecting the state of the line in the line;
collecting line state data from the detection module;
detecting an abnormal state by analyzing the state data;
storing the abnormal state of the line in the server and transmitting it to the operator; and
A method for detecting and analyzing line condition, comprising the step of a worker accessing the server and monitoring the transmitted abnormal condition.

Images