Railway foreign matter intrusion security perception and identification system based on distributed optical fiber sensing

A distributed optical fiber and foreign object intrusion technology, applied in the optical field, to achieve the effect of ensuring safe operation

Pending Publication Date: 2019-03-29
宁波正业自动化科技有限公司
View PDF0 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the foreign object intrusion monitoring system for high-speed railways mainly adopts measur

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Railway foreign matter intrusion security perception and identification system based on distributed optical fiber sensing
  • Railway foreign matter intrusion security perception and identification system based on distributed optical fiber sensing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] The present invention will be described in further detail below.

[0023] refer to figure 1 , figure 2 , a railway foreign object intrusion safety perception and identification system based on distributed optical fiber sensing, including a monitoring module, a detection module and a communication module, the monitoring modules are several, and the detection module includes a vibration detection system and a deformation detection system, the The communication module includes a network switching device, a data center, and a control terminal, the detection module is connected to the data center through the network switching device, and the data center is connected to the control terminal with signals:

[0024] The vibration detection system includes a vibration sensing optical cable and a vibration detection host. The vibration sensing optical cable is arranged outside the railway fence for sensing vibration intrusion and generating an intrusion signal. The vibration det...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a railway foreign matter intrusion security perception and identification system based on distributed optical fiber sensing. On the basis of two distributed optical fiber sensing technologies and video linkage technologies, a phase position optical time domain analysis technology is used for monitoring a vibration intrusion signal generated when illegal personnel, vehiclesand construction intrude a high-speed railway, and information, including the position, the event and the like of the intrusion signal, can be given; a Brillouin optical time domain analysis technology is used for monitoring a high-speed railway fence deformation signal generated when large falling rooks and debris flows intrude the high-speed railway, and information, including the position and the like of the intrusion signal, can be given; and when any one or two systems in the above two optical fiber sensing systems give an alarm, cameras arranged on a high-speed railway tower pole are linked, and the monitoring picture of an intrusion event is called. The above three subsystems synchronous work and mutually learn, and layer-by-layer intrusion monitoring is carried out to jointly realize the early warning and the identification of the high-speed railway foreign matter intrusion.

Description

technical field [0001] The invention relates to the field of optical technology, in particular to a safety perception and identification system for railway foreign object intrusion based on distributed optical fiber sensing. Background technique [0002] As a sensor with light as the medium, optical fiber is resistant to electromagnetic interference and can adapt to harsh natural environments; it has low loss and is suitable for long-distance sensing; optical fiber itself is not only a signal transmission channel, but also a sensor. Optical fibers have been widely studied due to their unique advantages such as small size, light weight, immunity to electromagnetic interference, and sensitivity to vibration, temperature, and strain. The distributed optical fiber sensing system uses optical fiber as the sensing medium, and can perform real-time remote monitoring of targets within the length of the optical fiber. The high-speed railway foreign object intrusion safety perception...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01V8/10
CPCG01V8/10
Inventor 吴迅奇董永康刘昌霞
Owner 宁波正业自动化科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap