CN111089878A - Switch point rail damage nondestructive monitoring system - Google Patents

Switch point rail damage nondestructive monitoring system Download PDF

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Publication number
CN111089878A
CN111089878A CN202010045501.7A CN202010045501A CN111089878A CN 111089878 A CN111089878 A CN 111089878A CN 202010045501 A CN202010045501 A CN 202010045501A CN 111089878 A CN111089878 A CN 111089878A
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China
Prior art keywords
monitoring
switch
state
terminal
rail
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Pending
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CN202010045501.7A
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Chinese (zh)
Inventor
李然
陈晓光
王肃渤
万良元
韩义
曲泽洲
王曼营
吴阳
石川
郭兵
张明杰
刘征宇
曾祥东
谭大为
高宏运
马千惠
荣治明
闫树
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Shenyang Railway Science And Technology Research Institute Co Ltd
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Shenyang Railway Science And Technology Research Institute Co Ltd
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Priority to CN202010045501.7A priority Critical patent/CN111089878A/en
Publication of CN111089878A publication Critical patent/CN111089878A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/04Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The invention discloses a switch point rail damage nondestructive monitoring system, which comprises a remote monitoring host and a point rail state monitoring structure, wherein a transmission channel is arranged between the point rail state monitoring structure and the remote monitoring host; the switch rail state monitoring structure comprises an environment monitoring device, a monitoring terminal and a measuring component, wherein the environment monitoring device is in bidirectional communication connection with the monitoring terminal, and the measuring component is in bidirectional communication connection with the monitoring terminal; the environment monitoring device and the monitoring terminal are connected with the remote monitoring host through a transmission channel in a two-way communication mode. Has the advantages that: through combining the sensing detection technology with the network communication technology, the on-line monitoring and analysis of the operating state of the switch rail are realized, and technicians can be helped to find out the damage of the switch rail in time, so that the occurrence of accident hazard is prevented, and the safe operation of a train is further ensured.

Description

Switch point rail damage nondestructive monitoring system
Technical Field
The invention relates to the technical field of turnout switch rail state monitoring, in particular to a turnout switch rail damage nondestructive monitoring system.
Background
Switches are necessary devices when trains turn into or cross tracks and are important components of railways. The switch rail is positioned at the bent rail part of the turnout. The train needs to turn when passing through the switch rail, the train can bring huge transverse impact force to the steel rail in the process, various different damages can occur to the switch rail in the process, such as deformation, abrasion, cracks, corrosion and even breakage, and a plurality of train derailment accidents are caused, and the safe operation of the train is seriously influenced. Therefore, the state of the switch blade needs to be continuously detected, maintained and maintained to ensure the safety performance of the switch blade. At present, methods for detecting stock rails in steel rails include a construction method, an ultrasonic flaw detection method and a steel rail flaw detection vehicle, and although the problem of detecting switch rails can be solved, the methods cannot carry out real-time measurement on the running states of the switch rails. For the above reasons, the applicant has devised an on-line monitoring and analysis system suitable for the operating conditions of the point rail.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a switch point rail damage nondestructive monitoring system, and a preferable embodiment of the present invention includes: the on-line monitoring and analyzing system of the switch rail running state is formed by combining sensing detection and network communication, so that the switch rail damage can be found in time to prevent safety accidents, the technical effects of ensuring the safe running of trains and the like are achieved, and the details are explained in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a switch point rail damage nondestructive monitoring system which comprises a remote monitoring host and a point rail state monitoring structure, wherein a transmission channel is arranged between the point rail state monitoring structure and the remote monitoring host;
the switch rail state monitoring structure comprises an environment monitoring device, a monitoring terminal and a measuring component, wherein the environment monitoring device is in bidirectional communication connection with the monitoring terminal, and the measuring component is in bidirectional communication connection with the monitoring terminal; the environment monitoring device and the monitoring terminal are connected with the remote monitoring host through a transmission channel in a two-way communication mode.
Preferably, the remote monitoring host comprises a state display module, a function operation module and a data processing module; the state display module is used for displaying the system state, and the display content comprises the state of the monitoring terminal, the state of a monitoring object, environmental information and an alarm state; the function operation module is used for system management, including historical data query and statistics, equipment management and alarm management; the data processing module is used for polling, storing, processing and analyzing the monitoring data of the monitoring terminal, finding abnormal data and generating an alarm signal.
Preferably, the transmission channel is used for communication interconnection between the remote monitoring host and the environment monitoring device and between the remote monitoring host and the monitoring terminal.
Preferably, the transmission channel is an independently arranged data interface or a data interface of a switch machine gap monitoring system.
Preferably, the monitoring terminal is used for monitoring the electrical characteristics of the switch rail, calculating to obtain stable data, and uploading the stable data to the remote monitoring host; the detection distance of the single monitoring terminal is not less than 6 m.
Preferably, the environment monitoring device is a temperature sensor and a vibration sensor for monitoring the position of the switch rail; and uploading the monitoring data of the environment monitoring device to a monitoring terminal.
Preferably, the measuring assembly is arranged on a bolt of the switch rail and used for outputting signal excitation of the monitoring terminal and collecting signal feedback.
In conclusion, the beneficial effects of the invention are as follows: through combining the sensing detection technology with the network communication technology, the on-line monitoring and analysis of the operating state of the switch rail are realized, and technicians can be helped to find out the damage of the switch rail in time, so that the occurrence of accident hazard is prevented, and the safe operation of a train is further ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the system architecture of the present invention.
The reference numerals are explained below:
1. a remote monitoring host; 2. a transmission channel; 3. an environmental monitoring device; 4. monitoring a terminal; 5. and a measuring component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1, the invention provides a switch point rail damage nondestructive monitoring system, which comprises a remote monitoring host 1 and a point rail state monitoring structure, wherein a transmission channel 2 is arranged between the point rail state monitoring structure and the remote monitoring host 1, and the remote monitoring host 1 comprises a state display module, a functional operation module and a data processing module; the state display module is used for displaying the system state, and the display content comprises the state of the monitoring terminal 4, the state of a monitoring object, environmental information and an alarm state; the function operation module is used for system management, including historical data query and statistics, equipment management and alarm management; the data processing module is used for polling, storing, processing and analyzing the monitoring data of the monitoring terminal 4, finding abnormal data and generating an alarm signal; the transmission channel 2 is used for communication interconnection of the remote monitoring host 1, the environment monitoring device 3 and the monitoring terminal 4; the transmission channel 2 is an independently arranged data interface or a data interface of a switch machine gap monitoring system, and the transmission channel 2 can be independently built or adopt the data interface of the original switch machine gap monitoring system; the monitoring terminal 4 is used for monitoring the electrical characteristics of the switch rail, calculating to obtain stable data and uploading the stable data to the remote monitoring host 1; the detection distance of a single monitoring terminal 4 is not less than 6m, the monitoring terminal 4 adopts a micro-nano electrical signal measurement method, after the switch rail is damaged, cracks can be generated inside the switch rail, or the volume and the mass of the switch rail can be changed due to the damage of the surface of the switch rail, and the change among impedance, capacitive reactance and inductive reactance can be correspondingly generated electrically regardless of the internal cracks or the loss of the external volume; after the direct current generator outputs current and is connected with the switch rail, the change of the quality damage of the switch rail can be visually found according to the change of the resistance of the switch rail, and the damage degree of the switch rail can be obtained by comparing the variation of the impedance before and after the damage;
the switch rail state monitoring structure comprises an environment monitoring device 3, a monitoring terminal 4 and a measuring component 5, wherein the environment monitoring device 3 is in bidirectional communication connection with the monitoring terminal 4, and the measuring component 5 is in bidirectional communication connection with the monitoring terminal 4; the environment monitoring device 3 and the monitoring terminal 4 are in bidirectional communication connection with the remote monitoring host 1 through a transmission channel 2; the environment monitoring device 3 is a temperature sensor and a vibration sensor for monitoring the positions of the switch rails, monitoring data of the environment monitoring device 3 are uploaded to the monitoring terminal 4, the environment monitoring device 3 is used for uploading temperature and vibration information of the positions of the side beam switch rails to the monitoring terminal 4 and then transmitting the information to the remote monitoring host 1, and then the influence of the environment of the switch rails on the damage of the switch rails is analyzed; the measuring assembly 5 is arranged on a bolt of the switch rail and used for outputting signal excitation and collecting signal feedback of the monitoring terminal 4, and the measuring assembly 5 is arranged on the bolt of the switch rail, so that the structure of the switch rail is not damaged, and the damage of the switch rail is avoided.
The system can monitor the running state of the switch rail, has stable data transmission, can reflect the damage change of the switch rail in a short time, simultaneously, the equipment in the system can coexist with the equipment in the existing railway system without mutual interference, meets the condition of long-term online running, and can provide effective technical support for the online monitoring of the running state of the switch rail.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (7)

1. A switch point rail damage nondestructive monitoring system is characterized by comprising a remote monitoring host (1) and a point rail state monitoring structure, wherein a transmission channel (2) is arranged between the point rail state monitoring structure and the remote monitoring host (1);
the switch rail state monitoring structure comprises an environment monitoring device (3), a monitoring terminal (4) and a measuring component (5), wherein the environment monitoring device (3) is in bidirectional communication connection with the monitoring terminal (4), and the measuring component (5) is in bidirectional communication connection with the monitoring terminal (4); the environment monitoring device (3) and the monitoring terminal (4) are connected with the remote monitoring host (1) in a two-way communication mode through a transmission channel (2).
2. The switch point rail damage nondestructive monitoring system of claim 1, wherein: the remote monitoring host (1) comprises a state display module, a function operation module and a data processing module; the state display module is used for displaying the system state, and the display content comprises the state of the monitoring terminal (4), the state of a monitoring object, environmental information and an alarm state; the function operation module is used for system management, including historical data query and statistics, equipment management and alarm management; the data processing module is used for polling, storing, processing and analyzing the monitoring data of the monitoring terminal (4), finding abnormal data and generating an alarm signal.
3. The switch point rail damage nondestructive monitoring system of claim 1, wherein: and the transmission channel (2) is used for communication interconnection of the remote monitoring host (1), the environment monitoring device (3) and the monitoring terminal (4).
4. The switch point rail damage nondestructive monitoring system of claim 3, wherein: the transmission channel (2) is an independently arranged data interface or a data interface of a switch machine gap monitoring system.
5. The switch point rail damage nondestructive monitoring system of claim 1, wherein: the monitoring terminal (4) is used for monitoring the electrical characteristics of the switch rail, calculating to obtain stable data and uploading the stable data to the remote monitoring host (1); the detection distance of the single monitoring terminal (4) is not less than 6 m.
6. The switch point rail damage nondestructive monitoring system of claim 1, wherein: the environment monitoring device (3) is a temperature sensor and a vibration sensor for monitoring the position of the switch rail; and the monitoring data of the environment monitoring device (3) is uploaded to a monitoring terminal (4).
7. The switch point rail damage nondestructive monitoring system of claim 1, wherein: the measuring assembly (5) is arranged on a bolt of the switch rail and used for outputting signal excitation and acquiring signal feedback of the monitoring terminal (4).
CN202010045501.7A 2020-01-16 2020-01-16 Switch point rail damage nondestructive monitoring system Pending CN111089878A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112215411A (en) * 2020-09-25 2021-01-12 杭州羿凡科技有限公司 Switch operation and maintenance quality prediction analysis system
CN112461299A (en) * 2020-12-02 2021-03-09 中国铁道科学研究院集团有限公司 Turnout section track feature identification method and device
CN115497191A (en) * 2022-09-15 2022-12-20 厦门物之联智能科技有限公司 Method and device for polling and reporting derailed original data of running gear monitoring system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191015569A (en) * 1910-06-29 1911-07-31 Arthur Henry Johnson Railway Switch Point Detection.
CN202669851U (en) * 2012-05-23 2013-01-16 上海嘉国信息科技有限公司 Detecting device for damage to railway track
CN109249960A (en) * 2018-09-25 2019-01-22 中铁第四勘察设计院集团有限公司 A kind of Riding-type Monorail Switch comprehensive monitor system
CN109649438A (en) * 2018-12-29 2019-04-19 佳讯飞鸿(北京)智能科技研究院有限公司 A kind of goat state monitoring apparatus, monitoring system and monitoring method
JP2019082032A (en) * 2017-10-30 2019-05-30 吉原鉄道工業株式会社 Sensor mounting holder and measuring instrument
CN211374596U (en) * 2020-01-16 2020-08-28 沈阳铁道科学技术研究所有限公司 Switch point rail damage nondestructive monitoring system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191015569A (en) * 1910-06-29 1911-07-31 Arthur Henry Johnson Railway Switch Point Detection.
CN202669851U (en) * 2012-05-23 2013-01-16 上海嘉国信息科技有限公司 Detecting device for damage to railway track
JP2019082032A (en) * 2017-10-30 2019-05-30 吉原鉄道工業株式会社 Sensor mounting holder and measuring instrument
CN109249960A (en) * 2018-09-25 2019-01-22 中铁第四勘察设计院集团有限公司 A kind of Riding-type Monorail Switch comprehensive monitor system
CN109649438A (en) * 2018-12-29 2019-04-19 佳讯飞鸿(北京)智能科技研究院有限公司 A kind of goat state monitoring apparatus, monitoring system and monitoring method
CN211374596U (en) * 2020-01-16 2020-08-28 沈阳铁道科学技术研究所有限公司 Switch point rail damage nondestructive monitoring system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112215411A (en) * 2020-09-25 2021-01-12 杭州羿凡科技有限公司 Switch operation and maintenance quality prediction analysis system
CN112461299A (en) * 2020-12-02 2021-03-09 中国铁道科学研究院集团有限公司 Turnout section track feature identification method and device
CN112461299B (en) * 2020-12-02 2022-04-08 中国铁道科学研究院集团有限公司 Turnout section track feature identification method and device
CN115497191A (en) * 2022-09-15 2022-12-20 厦门物之联智能科技有限公司 Method and device for polling and reporting derailed original data of running gear monitoring system
CN115497191B (en) * 2022-09-15 2023-11-17 厦门物之联智能科技有限公司 Derailment original data polling reporting method and device for running part monitoring system

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