KR20180110774A - A System for Investigating a Train Bearing with a Structure of Processing a Detected Information by a Collector - Google Patents

Abstract

The present invention relates to a train bearing diagnosis system with a structure of processing detection information by a collector and, more specifically, to a train bearing diagnosis system with a structure of processing detection information by a collector to improve the accuracy of the analysis of detection information by a detection module, and the processing efficiency by processing measurement information detected in a plurality of detection modules by each predetermined collector. The train bearing diagnosis system with a structure of processing detection information by a collector comprises: a plurality of detection modules (13a-13n) each having a plurality of detection units (DT11-DTn2), arranged adjacent to wheels, axles or bearings, and divided into different groups depending on the position of processed detection information; a plurality of collectors (12a-12k) processing the detection information sent from each different group of the detection modules (13a-13n); a comparison unit (11) analyzing the information processed in the plurality of collectors (12a-12k); a vehicle database (14) storing the detection information analyzed in the comparison unit (11); a risk factor extraction unit (15) extracting a risk factor from the vehicle database (14); and a vehicle management unit (16) managing the detection information of the entire detection modules (13a-13n). Each of the collectors (12a, 12b to 12k) operates independently based on an information processing time table (PT).

Description

Field of the Invention [0001] The present invention relates to a train bearing diagnostic system for collecting detection information,

The present invention relates to a system for diagnosing a train bearing of a collector processing structure of detection information, and more particularly, to a system and method for analyzing detection information by a detection module by processing measurement information detected by a plurality of detection modules by predetermined collectors And more particularly, to a train bearing diagnosing system of a collector processing structure of detection information for improving accuracy and processing efficiency.

The railway vehicle can be operated at various speeds, and it is advantageous that structural defects of the railway vehicle are detected during the running of the vehicle. However, the detection of devices such as axle bearings during operation has the problem that it is difficult to process the detection information because of the variety of detection situations, difficulty in locating the detection modules, or setting similar detection conditions. In addition, since a plurality of detection modules are installed in each of the bearings, a plurality of detection units are disposed in each of the detection modules, so that the detection information needs to be efficiently processed.

Various techniques relating to the monitoring of the apparatus or the operation of the railway vehicle have been developed, and the railway track surveillance system of Patent Publication No. 10-2001-0111905 discloses a system for monitoring the railway track. Patent Publication No. 10-2006-0077593 discloses an electric motor vibration acceleration measuring system of an electric railway vehicle, which measures a moving acceleration by a velocity sensor which generates a pulse signal corresponding to the number of revolutions of a wheel To a system that is capable of operating the system. And Patent Publication No. 10-2010-0021327 discloses a surveillance system that monitors the trajectory distortion in real time by a vertical or horizontal vibration sensor.

It is advantageous if the detection of defects of bearings, axles, wheels or the like of a railway vehicle is performed according to various parameters, and when a plurality of detection units are arranged in a detection module for detecting one part, It is advantageous to have a treatment structure. However, the prior art does not disclose the processing structure of such detection information.

The present invention has been made to solve the problems of the prior art and has the following purpose.

Prior Art 1: Patent Publication No. 10-2001-0111905 (published by Katei Co., Ltd. on Dec. 20, 2001) Railroad lane monitoring system and monitoring method thereof Prior Art 2: Patent Publication No. 10-2006-0077593 (Korea Railroad Research Institute, published on Jul. 05, 2006) Electric motor vibration acceleration measurement system of an electric railway vehicle Prior Art 3: Patent Publication No. 10-2010-0021327 (published by Geumcheon System Co., Ltd., February 24, 2010) Tracking fault Real-time monitoring system

It is an object of the present invention to improve the accuracy of analysis of detection information by simultaneously processing the detection information transmitted from a plurality of detection modules each having a plurality of detection units by a predetermined collector, And to provide a diagnostic system for a train bearing of a collector processing structure of detection information.

According to a preferred embodiment of the present invention, the train bearing diagnosing system of the collector processing structure of the detection information has a plurality of detection units and is arranged adjacent to the wheel, the axle or the bearing, A plurality of detection modules divided into groups; A plurality of collectors for processing detection information sent from each different group of detection modules; A comparison unit for analyzing information processed in the plurality of collexes; A vehicle database storing detection information analyzed in the comparison unit; A risk factor extracting unit for extracting a risk factor from a vehicle database; And a vehicle management unit that manages detection information of the entire detection module, and each collector operates independently based on the information processing time table.

According to another preferred embodiment of the present invention, there is further provided a specific position variable detection unit for comparing detection information detected at different detection modules at a specific position of the predetermined rail.

According to another preferred embodiment of the present invention, the risk factor extracted from the risk factor extracting unit is transmitted to the comparison factor generating unit, and the comparison factor generating unit generates the comparison factor for the risk factor.

The diagnostic system according to the present invention is characterized in that a plurality of detection modules are disposed in a single carriage according to the number of bearings, axles or wheels, and a collector is disposed in each carriage to detect a detection from a plurality of detection modules So that the processing efficiency of the detection information can be improved. In addition, the diagnostic system according to the present invention enhances the accuracy of the analysis of the detection information by making the detection information between the collectors disposed on different carriages to be contrasted. In addition, the diagnostic system according to the present invention facilitates the detection of defective bearings by detecting the states of the different bearings at predetermined positions determined by different detection modules.

1 illustrates an embodiment of a diagnostic system architecture according to the present invention.
2 shows an embodiment of an arrangement structure of a collector and a detection module applied to a diagnostic system according to the present invention.
Fig. 3 shows an embodiment of the operating structure of the diagnostic system according to the present invention.
FIG. 4 shows an embodiment of a process in which detection information is processed in the diagnostic system according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so that they will not be described repeatedly unless necessary for an understanding of the invention, and the known components will be briefly described or omitted. However, It should not be understood as being excluded from the embodiment of Fig.

1 illustrates an embodiment of a diagnostic system architecture according to the present invention.

Referring to FIG. 1, the diagnostic system includes a plurality of detection units DT11 to DTn2, each of which is disposed adjacent to a wheel, an axle, or a bearing, Modules 13a through 13n; A plurality of collectors (12a-12k) for processing detection information sent from each different group of detection modules (13a-13n); A comparison unit 11 for analyzing information processed in the plurality of collectors 12a to 12k; A vehicle database (14) for storing detection information analyzed in the comparison unit (11); A risk factor extracting unit (15) for extracting a risk factor from the vehicle database (14); And a vehicle management unit 16 that manages detection information of all the detection modules 13a to 13n and each of the collectors 12a and 12b to 12k operates independently based on the information processing time table PT .

The detection modules 13a to 13n may be arranged in, for example, an axle, a bearing housing, or the like, and may be made in the form of a chip in which a plurality of detection units DT11 to DTn2 are arranged. The detection modules 13a through 13n may include, but are not limited to, a vibration sensor, a temperature sensor, a noise sensor, a tilt sensor, or a load sensor, for example. Detection modules 13a through 13n may be disposed at both ends of each axle of the railway vehicle to detect vibrations, temperature changes, noise, or inclinations generated from axles, bearings, or wheels. At least a part of each of the detection modules 13a to 13n may include a tension detection unit that detects a tensile force acting on the axle while being rotated together with the axle.

The railway vehicle may be composed of a plurality of coaches or a wagon, and a plurality of axles, wheels or bearings may be disposed in each coach or wagon. The detection modules 13a to 13n can be installed on the basis of the respective bearings and the measurement information detected by the plurality of detection modules 13a to 13n installed in one carriage or a freight car is transmitted to one of the collectors 12a to 12k Lt; / RTI > In such a structure, each carriage or cart can have one collector 12a to 12k for processing the detection information of the detection modules 13a to 13n. The collectors 12a to 12k can classify the information transmitted from each of the detection modules 13a to 13n and analyze and store the information according to a predetermined method. And the detection information processed in each of the collectors 12a to 12k may be transmitted to the comparison unit 11. [

Each of the collectors 12a to 12k can be operated independently and can operate independently based on the information processing time table. The information processing time table PT can be determined by the management server 17 and the management server 17 can start the operation of each of the detection modules 13a to 13n through the information processing time table PT, It is possible to determine the measurement times of the detection units DT11 to DTn2 belonging to the detection modules 13a to 13n.

Detection modules 13a to 13n disposed in one carriage or a freight car form one detection group, and the information transmitted from one detection group is processed in one of the collectors 12a to 12k. And each collector 12a-12k independently processes the detection information and, if necessary, the processed information from the different collectors 12a-12k can be compared by the comparison unit 11. [ The detection information transmitted from each of the collectors 12a to 12k may be stored in each of the collectors 12a to 12k and information processed and analyzed by each of the collectors 12a to 12k may be transmitted to the comparison unit 11 . By appropriately adjusting the amount of data to be transmitted to the comparison unit 11, the efficiency of information processing can be improved. And the information stored in the collectors 12a to 12k may be transmitted to the management server 17 which manages a plurality of railway vehicles in the future through appropriate means.

A plurality of detection modules 13a to 13n installed in a single carriage or a freight car can be made into a structure belonging to one detection information group but can be structured according to the structure of the train, the structure of the bogie or the arrangement position of the detection modules 13a to 13n The detection modules 13a to 13n belonging to different carriages or lorries can belong to the same detection information group. The detection information group can be determined by the collectors 12a to 12k.

The information processed in the different collectors 12a to 12k by the comparison unit 11 can be analyzed / contrasted and the analyzed / contrasted detection information can be transmitted to the vehicle database 14. [ The vehicle database 14 may have the function of storing the state of each bearing, wheel or axle currently disposed in the vehicle, and information stored in the database 14 may be displayed as needed. The risk factor can also be extracted by the risk factor extracting unit 15 according to the analyzed / contrasted result in the comparison unit 11. And a change in the risk factors extracted by the risk factor extracting unit 15 can be detected.

The risk factors extracted from the risk factor extracting unit 15 can be transmitted to the comparison factor generating unit 151 and the vehicle managing unit 16. [ The comparison factor generating unit 151 generates a comparison factor for a risk factor. A comparative factor is a factor that changes with a risk factor or affects a change in a risk factor. The comparison factor generated in the comparison factor generating unit 151 can be transmitted to the management server 17 and confirmed. The comparison factor generated in the comparison factor generating unit 151 may be transmitted to the printing offset unit 18. [ The printing offset unit 18 can be installed at the same location as the railroad car, and can store the risk factors and comparison factors generated in the respective detection modules 13a to 13n. The risk factors and the comparison factors can be periodically extracted from each of the detection modules 13a to 13n and compared and verified. If the risk factor does not correspond to the risk factor or the relevance to the comparison factor is not verified according to the verification result, a new comparison factor is generated from the comparison factor generating unit 151 or the risk factor is removed from the risk factor extracting unit 15 . Thus, the print offset unit 18 may have the function of verifying, removing, or verifying the extracted risk factors.

The vehicle management unit 16 may have a function of managing the running of the vehicle, and may have a function of managing detection information of the entire vehicle. The vehicle management unit 16 stores the measures of the vehicle according to the detection information, and can transmit it to the management server after the completion of the operation.

The diagnostic system according to the present invention can be made into various structures and is not limited to the embodiments shown.

FIG. 2 shows an embodiment of the arrangement structure of the collector and detection module applied to the diagnostic system according to the present invention.

2, detection modules 13a and 13b may be disposed on each of the bearings 21a and 21b for the carriage TA, and each of the detection modules 13a and 13b may include a collector 12, May be wired or wirelessly connected. The collector 12 and the comparator 12 may be connected wirelessly or by wire to the comparison unit but preferably each of the detection modules 13a and 13b and the collector 12 are connected wirelessly, . The detection modules 13a and 13b may be disposed in an installation groove formed at the end of the axle 23, or may be installed at a location such as a bearing housing or a gear box. A relay communication module may be provided below the seat SE as necessary to connect the collector 12 and the detection modules 13a and 13b arranged inside the collector closed housing 24 so as to enable data communication. The detection modules 13a and 13b may periodically detect the condition of the bearing, axle or wheel and transmit the detection information to the collector 12. [ But is not limited to, detecting the condition of the bearing, wheel or axle at a predetermined position of the rail RL during movement along the rail RL, for example.

At least a portion of the detection modules 13a, 13b may be releasably coupled to the axle 23 or the bearings 21a, 21b. For example, a part of the detection module 13a, 13b can be made into a chip shape and can be made into a detachable structure on the axle 23 or the bearings 21a, 21b by the magnet or the adhesive tape of the jig structure . Alternatively, the detection module 13a may be fixed to the fixing groove 25 formed on the axle 23. The detection module 13a includes an attachment unit 251, such as, for example, a permanent magnet; An absorption layer 252 for absorption of vibrations or shocks attached to the upper side of the attachment unit 251; And a detection chip 253 fixed to the absorption layer 252 by an adhesive. The detection module 13a may be fixed to the fixing groove 25 and then fixed by the sealing lid 241. Such a detection module 13a can be detachably fixed to the axle 23 or the bearings 21a and 21b, and the present invention is not limited to the illustrated embodiment.

Fig. 3 shows an embodiment of the operating structure of the diagnostic system according to the present invention.

Referring to FIG. 3, it may include a specific positional variable detection unit 34 for comparing detection information detected at different detection modules 13 at a predetermined position of a predetermined rail. The detection module 13 may include, but is not limited to, a vibration sensor 311, a temperature sensor 312, a tilt sensor 313, or a noise sensor 31k.

The information detected in the detection module 13 may be transmitted to the collector 12 and the velocity information measured by the GPS unit 32 may be transmitted to the collector 12. [ The collector 12 can send detection information detected at the same rail position to a specific positional variable detection unit 34 by different detection modules 13. [ And the detection information transmitted to the specific location variable detection unit 34 may be transmitted to the classification / analysis unit 36. [ A plurality of rail positions may be selected as the specific position, and a plurality of detection information may be classified and analyzed by the classification / analysis unit 36. [ And the analyzed information in the classification / analysis unit 36 may be transmitted to the management server 17 via the communication unit 37. [

The information analyzed in the specific position variable detection unit 34 can also be transmitted to the comparison unit 11 and it is determined in the comparison unit 11 whether the detection information for the specific bearing is in the range of the predetermined stability level . And whether or not the determination can be transmitted to the risk element data unit 33, and the risk element data unit 33 can generate risk data related to the risk factors. The generated risk data may be transmitted to the collector 12 and stored. The collector 12 may then cause the risk data to be tracked.

The risk data may be transmitted to the comparison factor generating unit 151 described above and the comparison factor generated in the comparison factor generating unit 151 may be transmitted to the printing offset unit 18, The risk factors can be verified.

The diagnostic system according to the present invention may have various operating structures and the present invention is not limited to the embodiments shown.

FIG. 4 shows an embodiment of a process in which detection information is processed in the diagnostic system according to the present invention.

4, a method for diagnosing a vehicle condition from information detected from an axle, a vehicle, or a bearing includes obtaining (P41) detection information from a plurality of detection modules having a plurality of detection units installed on an axle, a vehicle, ; Detecting a real-time risk factor from the obtained detection information (P42); (P43) in which a contrast specific point for a risk factor is determined to determine a risk level of a real-time risk factor; A step of determining a method of measuring a risk factor (P44); A step (P45) in which the watch parameter is measured according to the determined method; A step of judging whether or not the risk has occurred according to the measurement result (P46); And a step (P47) in which the risk level is transmitted when it is determined that the risk has occurred.

Detection information may be obtained by the detection module described above (P41), and a real-time risk factor may be determined and detected from the detected information (P42). The real-time risk factor may be a risk factor for which the difference to the reference value is out of the predetermined range, for example, without being removed by the factor offset unit 18 described above. When a real-time risk factor is determined, a real-time risk factor may be detected according to a predetermined period (P42). And a contrast specific point may be determined to compare the detected values from different detection modules for real-time risk factors (P43). At least two positions can be determined, such as a position having a different gradient, a position having different ambient temperatures, or a position having a different speed (P43).

When a plurality of comparison specific points are determined (P43). A measurement method can be determined at a specific contrast point (P44), and the measurement method includes, for example, a determination of a measurement module or a detection module that makes a measurement. It also includes determining the extent to which a risk can be determined. The watch parameters can be measured according to the measurement method (P45), and the watch parameters refer to risk factors with priority determined from real-time risk factors. Depending on the measurement of the watch parameters, the risk can be judged (P46). If it is determined that the risk does not occur (NO), it is removed from the real-time risk factor and the same process can be performed for other risk factors (P42). If it is determined that a risk has occurred (YES), the risk level for the watch parameter can be determined and transmitted to the management server (P47).

The diagnostic system according to the present invention can operate in various ways and the present invention is not limited to the embodiments shown.

The diagnostic system according to the present invention is characterized in that a plurality of detection modules are disposed in a single carriage according to the number of bearings, axles or wheels, and a collector is disposed in each carriage to detect a detection from a plurality of detection modules So that the processing efficiency of the detection information can be improved. In addition, the diagnostic system according to the present invention enhances the accuracy of the analysis of the detection information by making the detection information between the collectors disposed on different carriages to be contrasted. In addition, the diagnostic system according to the present invention facilitates the detection of defective bearings by detecting the states of the different bearings at predetermined positions determined by different detection modules.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention . The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

11: comparison unit 12, 12a to 12k:
13, 13a to 13n: Detection module 14: vehicle database
15: Risk factor extracting unit 16: Vehicle management unit
17: management server 18: print offset unit
21a, 21b: Bearing 23:
24: Collector sealing housing 25: Fixing groove
31K: Noise sensor 32: GPS unit
33: Hazardous element data unit 34: Specific positional variable detection unit
36: Classification / analysis unit 37: Communication unit
151: comparison factor generating unit 241:
251: Attachment unit 252: Absorbent layer
253: Detection chip 311: Vibration sensor
312: temperature sensor 313: inclination sensor
DT11 to DTn2: Detection unit PT: Information processing time table
RL: Rail SE: Seat
TA: carriage

Claims (3)

A plurality of detection modules (13a to 13n) each having a plurality of detection units (DT11 to DTn2) and being arranged adjacent to wheels, axles or bearings and being divided into different groups according to positions of detection information to be processed;
A plurality of collectors (12a-12k) for processing detection information sent from each different group of detection modules (13a-13n);
A comparison unit 11 for analyzing information processed in the plurality of collectors 12a to 12k;
A vehicle database (14) for storing detection information analyzed in the comparison unit (11);
A risk factor extracting unit (15) for extracting a risk factor from the vehicle database (14); And
And a vehicle management unit (16) for managing detection information of the entire detection modules (13a to 13n)
Wherein each of the collectors (12a, 12b to 12k) operates independently based on an information processing time table (PT). The train bearing of claim 1, further comprising a specific positional variable detection unit (34) for comparing detected information detected at different detection modules (13a-13n) at specific positions of the predetermined rail Diagnostic system. The risk factor extracting method according to claim 1, wherein the risk factor extracted from the risk factor extracting unit (15) is transmitted to a comparison factor generating unit (151), and the comparison factor generating unit (151) generates a comparison factor for a risk factor Train Bearing Diagnosis System of Collector Processing Structure of Detection Information.

Images