CN110450824A - A kind of railway signal monitoring system based on multi-channel optical fibre communication - Google Patents

A kind of railway signal monitoring system based on multi-channel optical fibre communication Download PDF

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Publication number
CN110450824A
CN110450824A CN201910683052.6A CN201910683052A CN110450824A CN 110450824 A CN110450824 A CN 110450824A CN 201910683052 A CN201910683052 A CN 201910683052A CN 110450824 A CN110450824 A CN 110450824A
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China
Prior art keywords
information
module
signal
railway signal
optical fibre
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Pending
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CN201910683052.6A
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Chinese (zh)
Inventor
郭丰明
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SHENZHEN KEANDA RAIL TRANSIT TECHNOLOGY Co Ltd
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SHENZHEN KEANDA RAIL TRANSIT TECHNOLOGY Co Ltd
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Priority to CN201910683052.6A priority Critical patent/CN110450824A/en
Publication of CN110450824A publication Critical patent/CN110450824A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/50Trackside diagnosis or maintenance, e.g. software upgrades
    • B61L27/53Trackside diagnosis or maintenance, e.g. software upgrades for trackside elements or systems, e.g. trackside supervision of trackside control system conditions
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/06Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Optical Communication System (AREA)

Abstract

The invention discloses a kind of railway signal monitoring systems based on multi-channel optical fibre communication, it is related to railway signal monitoring technology field, comprising: data acquisition module, is provided with the electrical characteristic information that multiple groups are used to acquire railway signal system equipment, and/or, status information, it further include assigning location module, for for collected information association, uniquely identifiable address information, the address information to be used to be associated with corresponding data acquisition module, in the event of a failure, according to the information realization addressing operation;Photo-emission source is provided with multiple groups, communicates with data acquisition module, for by data collecting module collected to information be loaded into light pulse;Transmission unit is provided with multiple groups, for transmitting to optical signal;Optical transmitter and receiver is connect with transmission unit, the optical signal come for receiving transmission unit transmission;The beneficial effects of the present invention are: realizing the data collection and analysis detection of multi-channel optical fibre communication, the automatic high-efficiency monitoring in terms of Railway Signal Acquisition and processing is realized.

Description

A kind of railway signal monitoring system based on multi-channel optical fibre communication
Technical field
The present invention relates to railway signal monitoring technology field, specifically a kind of railway signal prison based on multi-channel optical fibre communication Examining system.
Background technique
Optical fiber telecommunications system be using light as carrier wave, using the glass-pulling of very high purity at superfine optical fiber as pass Defeated medium is used up by light-to-current inversion to transmit the communication system of information.Fiber optic communication is as information-based major technique pillar One of, 21 century most important strategic industry will be become.Fibre Optical Communication Technology and computer technology are information-based two big Core pillar, computer are responsible for information digitalization to input in network;Optical fiber is then the important task for being responsible for information transmission.When For in social and economic development, information capacity increasingly increases severely, and for the transmission speed and capacity for improving information, fiber optic communication is extensive Be applied to information-based development, become the important technology after microelectric technique in message area.
Currently, railway signal microcomputer detecting system has been widely applied, the system by various analog signals, The real-time collection analysis of on-off model is grasped equipment use state, troubleshooting and accident analysis for electric equipment maintenance personnel and is mentioned Important technological means and foundation have been supplied, and has achieved certain effect.
The railway signal characteristic big and many and diverse there is signal message amount, for the signal big and many and diverse to above- mentioned information amount It efficiently acquired, conveyed and is analyzed, present applicant proposes a kind of railway signal monitoring systems based on multi-channel optical fibre communication.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of railway signal monitoring system based on multi-channel optical fibre communication The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of railway signal monitoring system based on multi-channel optical fibre communication, comprising:
Data acquisition module is provided with multiple groups, for acquiring the electrical characteristic information of railway signal system equipment, and/or, Status information, data acquisition module further include assigning location module, for for collected information association, uniquely identifiable address to be believed Breath, the address information is for being associated with corresponding data acquisition module, in the event of a failure, according to the information realization addressing operation;
Photo-emission source is provided with multiple groups, communicates with data acquisition module, the information for arriving data collecting module collected It is loaded into light pulse;
Transmission unit is provided with multiple groups, for transmitting to optical signal, monitoring data is exported single to pretreatment Member;
Optical transmitter and receiver is connect with transmission unit, the optical signal come for receiving transmission unit transmission;
Pretreatment unit pre-processes optical signal, obtain information that Multichannel data acquisition module obtains and about The address information of the information, and terminal device is outputed it to, monitoring result is shown.
As a further solution of the present invention: further including the deconcentrator of junction chamber internal/external signal cable, on the deconcentrator It is connected with the data acquisition module that signal cable is carried out the lightning-protection module of lightning protection and is acquired to signal cable.
As a further solution of the present invention: the deconcentrator matrix arrangement setting, and laterally converged in same a line setting one Stream item connects the ground wire of the lightning-protection module of the row or the ground that a longitudinal busbar connects the column lightning-protection module is arranged in same row Line, the laterally or longitudinally busbar pool together to form the total ground wire of lightning protection, and ground wire make and break device is provided on total ground wire.
As further scheme of the invention: it further include compression module, before information enters photo-emission source, the letter Breath passes through compression module compression processing, for reducing its occupied channel capacity.
As further scheme of the invention: the transmission unit includes sequentially connected fiber amplifier and Raman light Fiber amplifier, wherein the light pulse sequence that fiber amplifier is used to carry gained information carries out power adjustment, Raman fiber Amplifier is for increasing the information capacity and transmission range that can be transmitted in optical fiber.
As further scheme of the invention: the pretreatment unit includes sequentially connected:
Signal amplification unit, for amplifying processing to signal;
Shaping filter unit carries out shaping filter for amplified signal, to guarantee the smooth of signal;
Decoding unit, for being decoded to signal, the electrical characteristic information of acquisition railway signal system equipment, and/or, Status information;And address information;
Data outputting unit exports the information that decoding obtains to terminal device.
As further scheme of the invention: the terminal device includes:
Display module, for showing to obtained information, which includes the electrical spy of railway signal system equipment Property information, and/or, status information;And address information.
As further scheme of the invention: the terminal device further include:
Sound and light alarm module, for issuing sound-light alarm when occurring extremely;
Abnormal log generation module for generating about abnormal log, and is stored, and is adjusted after receiving instruction With.
Compared with prior art, the problem of the beneficial effects of the present invention are: for Railway Signal Acquisition and transmission, It can be encrypted and be compressed to information, reduced its occupied channel capacity and promoted security performance, and is single by transmission The design of member, can promote the information capacity and transmission range that can be transmitted in optical fiber, ensure that the effect of signal transmission, realize Data collection and analysis detection based on the communication of this multi-channel optical fibre, realize in terms of Railway Signal Acquisition and processing monitoring certainly Dynamicization efficiently monitors.
Detailed description of the invention
Fig. 1 is a kind of control principle drawing of railway signal monitoring system based on multi-channel optical fibre communication.
Fig. 2 be it is a kind of based on multi-channel optical fibre communication railway signal monitoring system in pretreatment unit control principle drawing.
Fig. 3 be it is a kind of based on multi-channel optical fibre communication railway signal monitoring system in lightning-protection module control principle drawing.
In figure: 100- data acquisition module, 101- assign location module, 200- photo-emission source, 300- compression module, 400- transmission Unit, 401- fiber amplifier, 402- Raman Fiber Amplifier, 500- optical transmitter and receiver, 600- pretreatment unit, the amplification of 601- signal Unit, 602- shaping filter unit, 603- decoding unit, 604- data outputting unit, 700- terminal device, 701- sound-light alarm Module, 702- display module, 703- abnormal log generation module, 800- lightning-protection module, 801- deconcentrator, 802- busbar, 803- ground wire make and break device.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended The example of device and method being described in detail in claims, some aspects disclosed in the present embodiment are consistent.
Embodiment 1
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of railway signal monitoring system based on multi-channel optical fibre communication, packet Include: data acquisition module 100 is provided with multiple groups, for acquiring the electrical characteristic information of railway signal system equipment, and/or, shape State information, and herein, the present embodiment, which also discloses, assigns location module 101, for uniquely can recognize for collected information association Address information, the address information is for being associated with corresponding data acquisition module 100, in the event of a failure, according to information reality Existing addressing operation, address information here be equivalent to be corresponding data acquisition module 100 number, occur in abnormal conditions When, abnormal position point can be rapidly found according to the number, facilitates the quick positioning and processing of accident;Photo-emission source 200, if Multiple groups are equipped with, are communicated with data acquisition module 100, for the collected information of data acquisition module 100 to be loaded into light pulse On;Transmission unit 400, is provided with multiple groups, for transmitting to optical signal;Optical transmitter and receiver 500 is connect with transmission unit 400, is used The optical signal of coming is transmitted in receiving transmission unit 400;Pretreatment unit 600, pre-processes optical signal, obtains multichannel data The information that acquisition module 100 obtains and the address information about the information, and terminal device 700 is outputed it to, it will monitor As a result it is shown.
It further include compression module 300 for further, for before information enters photo-emission source 200, the information The semaphore of transmission can be more promoted, very for reducing its occupied channel capacity by 300 compression processing of compression module Agree with the big and many and diverse characteristic of Railway Signal Information amount.
For further, the transmission unit 400 includes that sequentially connected fiber amplifier 401 and Raman fiber amplify Device 402, wherein the light pulse sequence that fiber amplifier 401 is used to carry gained information carries out power adjustment, Raman fiber Amplifier 402 is for increasing the information capacity and transmission range that can be transmitted in optical fiber, it is well known that Raman Fiber Amplifier 402 Instead of traditional optical-electrical-optical trunking scheme, light has been significantly greatly increased in amplification while realizing multipath light signal in an optical fiber The information capacity and defeated distance that can be transmitted in fibre.
Since in practical application, data acquisition module 100 is in communication counter mostly, there are lightning stroke hidden danger, therefore, also Deconcentrator 801 including junction chamber internal/external signal cable is connected on the deconcentrator 801 and carries out lightning protection to signal cable Lightning-protection module 800 and data acquisition module 100 that signal cable is acquired, the lightning-protection module 800 and deconcentrator 801 Connection, connecting respectively with the data acquisition module 100 and indoor photo-emission source 200 being in communication counter for deconcentrator 801, leads to It is also equipped with the busbar 802 connecting with ground wire make and break device 803 in news cabinet, preferably, the busbar 802 includes cross To busbar and longitudinal busbar.
801 matrix arrangement of the deconcentrator setting, and the lightning protection mould of the row is connected in the lateral busbar of same a line setting one The longitudinal busbar of ground wire or same row setting one of block 800 connects the ground wire of the column lightning-protection module 800, described lateral or vertical It pools together to form the total ground wire of lightning protection to busbar, ground wire make and break device 803 is provided on total ground wire.
Embodiment 2
Please refer to Fig. 1~2, in the embodiment of the present invention, a kind of railway signal monitoring system based on multi-channel optical fibre communication, institute It includes sequentially connected for stating the pretreatment unit 600: signal amplification unit 601, for amplifying processing to signal;Shaping Filter unit 602 carries out shaping filter for amplified signal, to guarantee the smooth of signal;Decoding unit 603, for pair Signal is decoded, and obtains the electrical characteristic information of railway signal system equipment, and/or, status information;And address information, Due to having carried out tax location and squeeze operation to information in above-described embodiment, to be encrypted and be reduced channel occupancy, therefore, In Decoding unit 603 is devised herein, for being encrypted and being decompressed, allows to be identified by terminal device 700;Data output Unit 604 exports the information that decoding obtains to terminal device 700.
For further, the terminal device 700 includes: display module 702, for showing to obtained information Show, which includes the electrical characteristic information of railway signal system equipment, and/or, status information;And address information.Certainly, In order to timely remind the generation of personnel's abnormal conditions, the present embodiment also discloses sound and light alarm module 701 and abnormal log is raw At module 703, wherein sound and light alarm module 701 is used to issue sound-light alarm when occurring extremely;Abnormal log generation module 703, it for generating about abnormal log, and is stored, and be called after receiving instruction.
It should be strongly noted that in the technical program, it, can the problem of for Railway Signal Acquisition and transmission Information is encrypted and is compressed, its occupied channel capacity is reduced and promotes security performance, and passes through transmission unit Design, can promote the information capacity and transmission range that can be transmitted in optical fiber, ensure that the effect of signal transmission, realize base In the data collection and analysis detection of this multi-channel optical fibre communication, the automatic high-efficiency in terms of Railway Signal Acquisition and processing is realized Monitoring.
Those skilled in the art will readily occur to other realities of the disclosure after considering the disclosure at specification and embodiment Apply scheme.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or suitable The variation of answering property follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure or used Use technological means.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are referred to by claim Out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.

Claims (8)

1. a kind of railway signal monitoring system based on multi-channel optical fibre communication characterized by comprising
Data acquisition module (100), is provided with multiple groups, for acquiring the electrical characteristic information of railway signal system equipment, and/ Or, status information, and uniquely identifiable address information, data acquisition module (100) further include for collected information association It assigns location module (101), for for collected information association, uniquely identifiable address information, the address information to be used to be associated with Corresponding data acquisition module (100), in the event of a failure, according to the information realization addressing operation;
Photo-emission source (200), is provided with multiple groups, communicates with data acquisition module (100), is used for data acquisition module (100) Collected information is loaded into light pulse;
Transmission unit (400), is provided with multiple groups, for transmitting to optical signal, monitoring data is exported single to pretreatment First (600);
Optical transmitter and receiver (500) is connect with transmission unit (400), the optical signal come for receiving transmission unit (400) transmission;
Pretreatment unit (600), pre-processes optical signal, obtain the information that Multichannel data acquisition module (100) obtains with And the address information about the information, and terminal device (700) are outputed it to, monitoring result is shown.
2. a kind of railway signal monitoring system based on multi-channel optical fibre communication according to claim 1, which is characterized in that also Deconcentrator (801) including junction chamber internal/external signal cable is connected on the deconcentrator (801) and carries out thunder and lightning to signal cable The lightning-protection module (800) of protection and the data acquisition module (100) that signal cable is acquired.
3. a kind of railway signal monitoring system based on multi-channel optical fibre communication according to claim 2, which is characterized in that institute The setting of deconcentrator (801) matrix arrangement is stated, and connects the lightning-protection module (800) of the row in the lateral busbar of same a line setting one Ground wire or the longitudinal busbar of same row setting one connect the ground wire of the column lightning-protection module (800), described laterally or longitudinally to converge Item pools together to form the total ground wire of lightning protection, and ground wire make and break device (803) are provided on total ground wire.
4. a kind of railway signal monitoring system based on multi-channel optical fibre communication according to claim 1 or 2, feature exist In, further include compression module (300), before information enters photo-emission source (200), the information pass through compression module (300) Compression processing, for reducing its occupied channel capacity.
5. a kind of railway signal monitoring system based on multi-channel optical fibre communication according to claim 3, which is characterized in that institute Stating transmission unit (400) includes sequentially connected fiber amplifier (401) and Raman Fiber Amplifier (402), wherein optical fiber is put The light pulse sequence that big device (401) is used to carry gained information carries out power adjustment, and Raman Fiber Amplifier (402) is used for Increase the information capacity and transmission range that can be transmitted in optical fiber.
6. a kind of railway signal monitoring system based on multi-channel optical fibre communication according to claim 1, which is characterized in that institute It includes sequentially connected for stating pretreatment unit (600):
Signal amplification unit (601), for amplifying processing to signal;
Shaping filter unit (602) carries out shaping filter for amplified signal, to guarantee the smooth of signal;
Decoding unit (603), for being decoded to signal, the electrical characteristic information of acquisition railway signal system equipment, and/ Or, status information;And address information;
The information that decoding obtains is exported and gives terminal device (700) by data outputting unit (604).
7. a kind of railway signal monitoring system based on multi-channel optical fibre communication, special described according to claim 1 or 2 or 5 or 6 Sign is that the terminal device (700) includes:
Display module (702), for showing to obtained information, which includes the electrical spy of railway signal system equipment Property information, and/or, status information;And address information.
8. a kind of railway signal monitoring system based on multi-channel optical fibre communication according to claim 7, which is characterized in that institute State terminal device (700) further include:
Sound and light alarm module (701), for issuing sound-light alarm when occurring extremely;
Abnormal log generation module (703) for generating about abnormal log, and is stored, and the quilt after receiving instruction It calls.
CN201910683052.6A 2019-07-26 2019-07-26 A kind of railway signal monitoring system based on multi-channel optical fibre communication Pending CN110450824A (en)

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