CN110086528A - A kind of resource management system based on optical cable on-line monitoring - Google Patents
A kind of resource management system based on optical cable on-line monitoring Download PDFInfo
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- CN110086528A CN110086528A CN201910300600.2A CN201910300600A CN110086528A CN 110086528 A CN110086528 A CN 110086528A CN 201910300600 A CN201910300600 A CN 201910300600A CN 110086528 A CN110086528 A CN 110086528A
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- optical cable
- fiber optic
- curve
- control unit
- otdr
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0791—Fault location on the transmission path
Abstract
The invention discloses a kind of affair analytical methods based on OTDR curve fiber optic testing, this method comprises: adjusting test parameter in user terminal, obtain monitoring station test curve by central control unit；The analysis parameter threshold of the event analysis unit of the central control unit is adjusted in user terminal；Event analysis unit after adjusting parameter threshold value is analyzed test curve by the central control unit.The beneficial effects of the present invention are: entire lightguide cable link can be monitored remotely, online, the variation and variation tendency of real-time monitoring optic fibre characteristic, each monitoring station cable resource information is grasped in time, it was found that failure alerts in time, efficiently reduce and prevent Cable's Fault, and through the invention in analyzed based on OTDR curve fiber optic testing, shorten analysis to each supplemental characteristic of optical cable, mitigate the work load of maintenance personnel, improves working efficiency.
Description
Technical field
The present invention relates to communications optical cable resource management techniques field more particularly to a kind of resources based on optical cable on-line monitoring
Management system.
Background technique
General communications optical cable is all long distance transmission, either aerial laying or buried laying, the environment around route
It is more complicated, and optical fiber is affected by environment more sensitive, such as fibre-optical splice pollution, tail optical fiber dampness, in addition artificial and natural
It destroys, these can all lead to fibercuts, so that communication line interrupt.Simultaneously in reality production, life, due to artificially applying
Work, road, which change, to be moved or the natural calamities such as natural earthquake, tsunami, mud-rock flow take place frequently, be likely to occur daily Cable's Fault to
Communication disruption is caused, the normal work of communication network is seriously affected, causes great economic loss.According to statistics, optical cable accident must repair
It lasts up to a few hours, one will lose ten thousand yuan of 50-60 in fiber break one hour, every year because of economic loss caused by interruption of optical cables
More than 30,000,000,000 yuans.It can be seen that direct or indirect economic loss caused by being interrupted as optical fiber telecommunications line is all very
Greatly.
Currently, the scale and quantity of electric power communication network and the construction of information system optical cable are all very huge, light
The big feature of cable ownership also runs communications optical cable and ties up while providing alternate path abundant for intra-area communication looped network
Shield proposes very high requirement.Optical cable transmission performance is influenced because setting up the conditions such as regional environment, with occur difference when putting into operation
The variation of degree.Customary detection is carried out to optical cable in region, its operating status is grasped comprehensively and is to determine whether to count optical cable
Maintenance is drawn, operation level is improved, guarantees the necessary means that optical cable can be come into operation with optimum state at any time.
Lack at present compared to perfect, affair analytical method convenient for test analysis based on OTDR curve fiber optic testing and
Device.
Summary of the invention
The embodiment of the present invention provides a kind of affair analytical method and device based on OTDR curve fiber optic testing, for passing through
OTDR curve is realized to the data acquisition of optical cable real time information and and event contrast test.
The embodiment of the present invention provides a kind of affair analytical method based on OTDR curve fiber optic testing, this method comprises:
Test parameter is adjusted in user terminal, monitoring station test curve is obtained by central control unit；
The analysis parameter threshold of the event analysis unit of the central control unit is adjusted in user terminal；
Event analysis unit after adjusting parameter threshold value is analyzed test curve by the central control unit.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the event analysis unit includes disconnected fibre
Consume threshold cell, positive reflection height threshold cell, connector event attenuation threshold cell, ending height threshold cell one kind or several
Kind.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the positive reflection height threshold cell packet
Point of adjustment containing optical cable, the breaking point of optical cable and the distal point of optical cable；
The connector time attenuation threshold cell includes the fusion point and overbending point of optical cable.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the monitoring station include control unit and
Optical time domain reflection unit (OTDR), the optical cable curve negotiating control unit that the monitoring station acquires optical time domain reflection unit are fed back
To central control unit.
In affair analytical method based on OTDR curve fiber optic testing of the invention, this method further include: the center control
The jumping fiber resource distribution of optical cable is automatically configured the associated related optical cable of curve by monitoring station by unit processed；
The status information of the monitoring station correlation optical cable is acquired, and sends that information to central control unit progress
Analysis in real time；
The central control unit shows the real time data after analysis by user terminal.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the user terminal is based on GIS and shows
Interface carries out fault point to be accurately positioned any scaling with geographical graphic in real time.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the central processing unit will test bent
Line is compared with reference curve, or is compared by a plurality of curve that different time points are tested, and will by GIS display interface
Curve upper and lower displacement is done comparison by all means and is shown.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the affair analytical method further include:
Each optical cable real time status information is acquired by the central control unit by monitoring station；
The parameter threshold of alarming threshold unit is adjusted according to each optical cable real time status information.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the alarming threshold unit includes disconnected fibre
Alarming threshold, the main alarming threshold of connector attenuation, the one or more of the minor alarm thresholding of connector attenuation.
The present invention should include a kind of event analysis system based on OTDR curve fiber optic testing, which includes described in utilization
The affair analytical method based on OTDR curve fiber optic testing device.
The beneficial effects of the present invention are: entire lightguide cable link can be monitored remotely, online, real-time monitoring optic fibre characteristic
Variation and variation tendency, grasp each monitoring station cable resource information in time, and discovery failure alerts in time, efficiently reduces and prevent
Cable's Fault, and through the invention in analyzed based on OTDR curve fiber optic testing, shorten analysis to each supplemental characteristic of optical cable,
Mitigate the work load of maintenance personnel, improves working efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of process of affair analytical method based on OTDR curve fiber optic testing provided in an embodiment of the present invention
Figure；
Fig. 2 is a kind of system frame of event analysis apparatus based on OTDR curve fiber optic testing provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of monitoring station of event analysis apparatus based on OTDR curve fiber optic testing provided in an embodiment of the present invention
System block diagram.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It is described in detail separately below.
Description and claims of this specification and term " first ", " second ", " third " and " in the attached drawing
Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be
System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list
Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Please refer to Fig. 1 be the embodiment of the invention provides a kind of affair analytical method based on OTDR curve fiber optic testing,
This method comprises:
Test parameter is adjusted in user terminal, monitoring station test curve is obtained by central control unit；
The analysis parameter threshold of the event analysis unit of the central control unit is adjusted in user terminal；
Event analysis unit after adjusting parameter threshold value is analyzed test curve by the central control unit.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the event analysis unit includes disconnected fibre
Consume threshold cell, positive reflection height threshold cell, connector event attenuation threshold cell, ending height threshold cell one kind or several
Kind.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the positive reflection height threshold cell packet
Point of adjustment containing optical cable, the breaking point of optical cable and the distal point of optical cable；
The connector time attenuation threshold cell includes the fusion point and overbending point of optical cable.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the monitoring station include control unit and
Optical time domain reflection unit (OTDR), the optical cable curve negotiating control unit that the monitoring station acquires optical time domain reflection unit are fed back
To central control unit.
In affair analytical method based on OTDR curve fiber optic testing of the invention, this method further include: the center control
The jumping fiber resource distribution of optical cable is automatically configured the associated related optical cable of curve by monitoring station by unit processed；
The status information of the monitoring station correlation optical cable is acquired, and sends that information to central control unit progress
Analysis in real time；
The central control unit shows the real time data after analysis by user terminal.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the user terminal is based on GIS and shows
Interface carries out fault point to be accurately positioned any scaling with geographical graphic in real time.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the central processing unit will test bent
Line is compared with reference curve, or is compared by a plurality of curve that different time points are tested, and will by GIS display interface
Curve upper and lower displacement is done comparison by all means and is shown.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the affair analytical method further include:
Each optical cable real time status information is acquired by the central control unit by monitoring station；
The parameter threshold of alarming threshold unit is adjusted according to each optical cable real time status information.
In affair analytical method based on OTDR curve fiber optic testing of the invention, the alarming threshold unit includes disconnected fibre
Alarming threshold, the main alarming threshold of connector attenuation, the one or more of the minor alarm thresholding of connector attenuation.
The present invention should include a kind of event analysis system based on OTDR curve fiber optic testing, which includes described in utilization
The affair analytical method based on OTDR curve fiber optic testing device.The device includes: user terminal, at least one communication is set
It is standby, central control unit, cable resource library unit and at least one monitoring station；The user terminal, communication apparatus is respectively in
Centre control unit is connected, and the communication apparatus is connected with monitoring station；
Wherein,
The user terminal for user query instruction to be sent to central control unit, and inquiry data feedback is shown
It is shown in user interface；
The monitoring station, for the cable resource of the monitoring station affiliated area class and its basic information to be acquired, and
Central control unit is sent that information to by communication apparatus；
The central control unit is sended over for transferring the cable resource library unit, and in conjunction with the monitoring station
The modification that real time information carries out each optical cable basic information arranges the cable resource library unit.
The fiber optic testing system based on local area network is that (including (full name in English is OTDR using advanced fiber optic testing
Optical Time Domain Reflectometer, the Chinese meaning are optical time domain reflectometer.OTDR is using light in optical cable
The optoelectronic integration instrument of backscattering caused by Rayleigh scattering and Fresnel reflection when middle transmission and manufactured precision, it
Be widely used in the maintenance of lightguide cable link, among construction, can carry out cable length, the transmission attenuation of optical cable, connector decaying and
The measurement of fault location etc., to obtain the definite data of Cable's Fault.Light power monitoring measuring unit is divided into offline and online two kinds of moulds
Formula, and same optical cable can be accounted for altogether with OTDR, to save cable resource.) technology, optical power real-time testing technique and optical cable it is automatic
Switch protecting technology etc.), database technology, high-speed digital video camera technology, optical cable is controlled with road and computer technology etc., will
Fiber optic testing, fiber cable network management, analysis statistics, alarm and maintenance mechanism is comprehensive is incorporated into this set system.System can be with
Remotely, it online, automatically monitors entire lightguide cable link, the variation of real-time monitoring optical cable characteristic and automatically analyzes degradation trend, have
Effect ground reduces and the generation of prevention Cable's Fault.
Wherein, the OTDR unit is one of the key modules of remote testing unit, to measure the characteristic curve of optical cable.
By to the characteristic analysis of optical cable, it can be determined that go out the loss of each case point of optical cable and judge the position of fault points of optical cables
It sets.
The operating status of fiber cable network can be monitored in real time while being managed collectively to fiber cable network in the system.Work as light
When cable is abnormal (such as interruption of optical cables, cable breakout, optical cable are squeezed), system controls RTU (full name in English REMOTE
The abbreviation of TERMINAL UNIT, both remote data terminal, for monitoring, controlling the application with data acquisition.) rapidly and accurately
Judge fault point specific location, the final real-time monitoring realized to optical cable.When communications optical cable breaks down, system is quickly fixed
Position fault point, and (mail, short message, voice etc.) notice operation maintenance personnel is handled in a variety of forms, greatly shortens the place of failure
The time is managed, the working efficiency of maintenance and troubleshooting is improved, so that the operation management for effectively improving communications optical cable is horizontal.
Test is then to receive the information returned by the port OTDR again by emitting in the light pulse to optical cable of different wave length
Come carry out.In this monitoring mode, use WDM (full name in English for Wavelength Division Multiplexing,
The abbreviation of wavelength-division multiplex, this is the laser technology for being used to improve bandwidth on existing optical cable backbone network.More precisely,
The technology is to multiplex the close spectrum spacing of single optical cable carrier wave in a specified optical cable, so that utilization can reach
To transmission performance (for example, dispersion or decaying for reaching minimum), in this way, under given information carrying capacity, just
The total quantity of optical cable required for can reducing.) realize simultaneous transmission Communication ray and OTDR test light in a fibre core.At present
Common communication optical wavelength is 1310nm and 1550nm, therefore the test optical wavelength selection of OTDR is in this monitoring mode
1625nm。
When Wavelength division multiplexing module is for monitoring on-line or monitoring for fibre, it is mounted on local side computer room, is OTDR module, Yong Huguang
Terminal, monitored optical cable provide the partial wave and multiplex of light wave
WDM is multiplexed in light source issuing side, thus two kinds of light waves of the same time internal loading of the optical cable, both light waves
Wavelength is different, has arrived receiving end, and filter will open respectively both light waves, selects on demand.
Safety and monitoring cost are considered in order to meet, after monitoring core wire is through relaying concatenation, light source is installed
It in line end, is monitored by matched Optical Power Monitor Module, when optical power is reduced to threshold, activates OTDR to carry out immediately
The test of the core wire.
When light pulse is transmitted in optical cable, due to the structural property of optical cable itself, have connector, have junction, have it is curved
Bent or other states and generate scattering, reflection.A portion scattering and reflection return in OTDR, the useful letter of return
Cease as on different location in optical cable time or curve segment and the weak variation of light intensity, measured by OPM, and make point
Thus analysis judgement reaches monitoring purpose when a fault is found and alarm.
Wherein, in fiber optic communications system, photoelectric conversion, signal transmission, failure prison the DC supply: to be completed
The functions such as survey, sound-light alarm need to use optical transmitter and receiver, point multiple device, distributing frame, filter, time-domain reflectomer, optical power monitor
Equal facilities, and these facilities will operate, it is necessary to there is working power.
Wherein, the cabinet that 1U, 2U and 6U may be selected in the long-range fiber optic cable monitor device is configured；
Power module is to improve reliability and stability in design, has incorporated powered stable, overload protection, short-circuit protection
Etc. technologies.Equipped two power supply disks of system provide system redundancy, can be with hot plug, convenient for replacing plate under system running state
Card.When power supply media board is inserted into, extracts or power failure occur, main control unit can be notified by core bus.The latter will be to
Fiber optic cable monitor center reports board instant messages.In addition, we have been specifically designed protection circuit in order to protect system safe, with
Exempt to lead to system accidental damage since computer room power supply is bad.
The beneficial effects of the present invention are: entire lightguide cable link can be monitored remotely, online, real-time monitoring optic fibre characteristic
Variation and variation tendency, grasp each monitoring station cable resource information in time, and discovery failure alerts in time, efficiently reduces and prevent
Cable's Fault, and through the invention in analyzed based on OTDR curve fiber optic testing, shorten analysis to each supplemental characteristic of optical cable,
Mitigate the work load of maintenance personnel, improves working efficiency.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided by the present invention, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of said units, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
The embodiment of the present invention has been described in detail above, specific case used herein to the principle of the present invention and
Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention
There is change place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of affair analytical method based on OTDR curve fiber optic testing, which is characterized in that this method comprises:
Test parameter is adjusted in user terminal, monitoring station test curve is obtained by central control unit；
The analysis parameter threshold of the event analysis unit of the central control unit is adjusted in user terminal；
Event analysis unit after adjusting parameter threshold value is analyzed test curve by the central control unit.
2. the affair analytical method according to claim 1 based on OTDR curve fiber optic testing, which is characterized in that the thing
Part analytical unit includes that disconnected fibre consumes threshold cell, positive reflection height threshold cell, and connector event attenuation threshold cell ends up high
It is one or more of to spend threshold cell.
3. the affair analytical method according to claim 2 based on OTDR curve fiber optic testing, which is characterized in that it is described just
Reflection height threshold cell includes the point of adjustment of optical cable, the breaking point of optical cable and the distal point of optical cable；
The connector time attenuation threshold cell includes the fusion point and overbending point of optical cable.
4. the affair analytical method according to claim 1 based on OTDR curve fiber optic testing, which is characterized in that the prison
Survey station includes control unit and optical time domain reflection unit (OTDR), and the optical cable that the monitoring station acquires optical time domain reflection unit is bent
Line feeds back to central control unit by control unit.
5. the affair analytical method according to claim 1 based on OTDR curve fiber optic testing, which is characterized in that this method
Further include:
The jumping fiber resource distribution of optical cable is automatically configured the associated related optical cable of curve by monitoring station by the central control unit；
The status information of the monitoring station correlation optical cable is acquired, and is sent that information to central control unit and carried out in real time
Analysis；
The central control unit shows the real time data after analysis by user terminal.
6. the affair analytical method according to claim 1 based on OTDR curve fiber optic testing, which is characterized in that the use
Family terminal in real time carries out fault point based on GIS display interface to be accurately positioned any scaling with geographical graphic.
7. the affair analytical method according to claim 6 based on OTDR curve fiber optic testing, which is characterized in that in described
Central Processing Unit compares test curve and reference curve, or is compared by a plurality of curve that different time points are tested,
And curve upper and lower displacement is done by comparison by all means by GIS display interface and is shown.
8. the affair analytical method according to claim 1 based on OTDR curve fiber optic testing, which is characterized in that the event
Analysis method further include:
Each optical cable real time status information is acquired by the central control unit by monitoring station；
The parameter threshold of alarming threshold unit is adjusted according to each optical cable real time status information.
9. the affair analytical method according to claim 8 based on OTDR curve fiber optic testing, which is characterized in that the announcement
Alert threshold cell includes disconnected fine alarming threshold, the main alarming threshold of connector attenuation, and the one of the minor alarm thresholding of connector attenuation
Kind is several.
10. a kind of event analysis system based on OTDR curve fiber optic testing, which is characterized in that the system includes being wanted according to right
The device for the affair analytical method based on OTDR curve fiber optic testing of asking 1-9 described in any item.
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| CN110460374A (en) * | 2019-08-07 | 2019-11-15 | 高勘(广州)技术有限公司 | A kind of optical fiber detecting method based on Optical Cable |
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| CN111565068A (en) * | 2020-05-14 | 2020-08-21 | 浪潮天元通信信息系统有限公司 | Optical cable fault positioning and pushing method for big data analysis based on OTDR (optical time Domain reflectometer) |
| US11428604B2 (en) * | 2019-12-06 | 2022-08-30 | Christine Pons | Compact optical time domain reflectometer with integrated time delay fiber waveguide |
| CN116015431A (en) * | 2022-12-02 | 2023-04-25 | 高勘(广州)技术有限公司 | Fiber core analysis method, device, equipment and storage medium based on display interface |
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| CN111565068A (en) * | 2020-05-14 | 2020-08-21 | 浪潮天元通信信息系统有限公司 | Optical cable fault positioning and pushing method for big data analysis based on OTDR (optical time Domain reflectometer) |
| CN111565068B (en) * | 2020-05-14 | 2022-11-25 | 浪潮通信信息系统有限公司 | Optical cable fault positioning and pushing method for big data analysis based on OTDR (optical time Domain reflectometer) |
| CN116015431A (en) * | 2022-12-02 | 2023-04-25 | 高勘(广州)技术有限公司 | Fiber core analysis method, device, equipment and storage medium based on display interface |
| CN116015431B (en) * | 2022-12-02 | 2024-03-19 | 高勘(广州)技术有限公司 | Fiber core analysis method, device, equipment and storage medium based on display interface |
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