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 PDFInfo
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- 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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- 239000013307 optical fiber Substances 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims description 14
- 230000002159 abnormal effect Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000007405 data analysis Methods 0.000 abstract description 3
- 238000013480 data collection Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
- B61L27/53—Trackside diagnosis or maintenance, e.g. software upgrades for trackside elements or systems, e.g. trackside supervision of trackside control system conditions
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-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
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.
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