CN105610495A - Monitoring system of online electric optical cable - Google Patents
Monitoring system of online electric optical cable Download PDFInfo
- Publication number
- CN105610495A CN105610495A CN201510942906.XA CN201510942906A CN105610495A CN 105610495 A CN105610495 A CN 105610495A CN 201510942906 A CN201510942906 A CN 201510942906A CN 105610495 A CN105610495 A CN 105610495A
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- CN
- China
- Prior art keywords
- optical
- photoreceiver
- fortune
- optical signal
- monitoring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
-
- 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
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
-
- 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
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07957—Monitoring or measuring wavelength
-
- 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
- H04B10/25—Arrangements specific to fibre transmission
Abstract
The invention discloses a monitoring system of an online electric optical cable. Whether fiber cores in the online electric optical cable are fractured or whether the attenuation of the fiber cores in the online electric optical cable is increased can be judged according the change condition of receiving light power of emergent light of the fiber cores in the online electric optical cable after being received. According to the monitoring system, a stand-by electric optical cable or an online electric optical cable is directly utilized to form a monitoring system. The system is simple and effective; the stability of the monitoring system can be ensured; the monitoring system is energy saving and economical, can assist in saving space, and is easy to popularize.
Description
Technical field
The present invention relates to optical measuring system, relate in particular to a kind of monitoring system at fortune electric power optical cable.
Background technology
Optical cable is the main thoroughfare of communications, is to realize electric network information and intelligentized infrastructure. At present,The important service of power generation and management, at the up to a hundred optical cables that have of fortune, is being carried in jurisdiction area. And at optical cableIn management, deposit problem both ways: the one,, become great discovery not at the disconnected core of fortune optical cable fibre core or attenuation, the 2nd,,Exist without the private situation that connects optical cable fibre core of application. Along with how optical cable is the becoming increasingly conspicuous of power generation importance,Management becomes the communication of power system management department shop front with safeguarding optical cable to guarantee power system safety and stability and moveThe major issue of facing.
Fiber optic cable monitor product on the market adopts OTDR principle, is mostly to apply to common carrier, and cost is high to be difficult forPromote. For the feature of power communication, the present invention does not adopt OTDR technology, but creatively with covering at presentFace widely data communication network carries out combination, makes full use of existing resource, develop there is system stability, energy-conservationEconomical, to save space, wide coverage, easily popularization Novel optical cable management system and system.
Summary of the invention
The invention provides a kind of monitoring system at fortune electric power optical cable, it has overcome showing described in background technologyThere is the deficiency of technology.
The technical solution adopted for the present invention to solve the technical problems is:
In a monitoring system for fortune electric power optical cable, it is included in fortune optical cable, optical sender, optical splitter, firstPhotoreceiver and the second photoreceiver, comprise many fibre cores of bunchy at fortune optical cable, and described optical sender sendsOptical signal is from the head end incident of fibre core, and optical signal is divided into two by optical splitter by fixed power rate after fibre core transmissionLight splitting, a part of light is received for the continuation of optical signal and is transmitted by the first photoreceiver, and another part light is by secondPhotoreceiver receives and passes through the relatively received optical power situation of change of this part optical signals, and judgement should be at fortune electric powerWhether each fibre core in optical cable occurs to disconnect or attenuation becomes large, and wherein this part light is with optical signal, anotherPart light is monitoring optical signal.
Among one embodiment: described optical sender is optical fiber router or optical transmitter and receiver, described the first photoreceiver andThe second photoreceiver is optical fiber router, optical transmitter and receiver or light detection equipment.
In a monitoring system for fortune electric power optical cable, it is included in fortune optical cable, can be emitted in the of optical signalOne optical sender and the second optical sender that sends monitoring optical signal, wave multiplexer, channel-splitting filter and the first light-receivingMachine and the second photoreceiver, described different with the optical wavelength of monitoring optical signal with optical signal, should be at fortune optical cableComprise many fibre cores of bunchy, described the first optical sender is connected wave multiplexer with the second optical sender and it is each spontaneousPenetrate after closing ripple with optical signal and monitoring with optical signal ECDC ripple device from the head end incident of each fibre core, warp is respectivelyAfter the transmission of bar fibre core, penetrate and be divided into corresponding connecing with optical signal and monitoring optical signals the first light by channel-splitting filterReceipts machine and the second photoreceiver are corresponding to be received, by the monitoring of the relatively outgoing reception light of optical signal after receivingPower situation of change, judges whether this each fibre core in fortune electric power optical cable occurs to disconnect or attenuation becomes large.
Among one embodiment: described the first optical sender, the second optical sender are optical fiber router or optical transmitter and receiver,Described the first photoreceiver and the second photoreceiver are optical fiber router, optical transmitter and receiver or light detection equipment.
The technical program is compared with background technology, and its tool has the following advantages:
1,, for the monitoring at fortune electric power optical cable, in fortune electric power optical cable, pass through using with optical signal and monitoring simultaneouslyOptical signal, the exit end of optical cable again by its by optical splitter by certain power ratio respectively outgoing receive, by relativelyThe received optical power situation of change of optical signal for monitoring, judges whether this each fibre core in fortune electric power optical cable is sent outRaw disconnection or attenuation become large, and monitoring system of the present invention is directly utilized at fortune electric power optical cable itself and formed and monitorSystem, system is simply effective, ensures that monitoring system is stable, energy saving economy, saving space, is also easily made by popularizationWith.
2,, for the detection at fortune electric power optical cable, by wave multiplexer, long Different lightwave used to optical signal and monitoringBe combined on same fibre core and transmit with optical signal, again it is divided by different wave length by channel-splitting filter at the exit end of optical cableOther outgoing receives, and by relatively monitoring the received optical power situation of change after receiving with optical signal, judgement is somebody's turn to doWhether each fibre core in fortune electric power optical cable occurs to disconnect or attenuation becomes large, and monitoring system of the present invention is directUtilize at fortune electric power optical cable itself and form monitoring system, system is simply effective, ensures that monitoring system is stable, energy-conservationEconomical, saving space, be also easily used more widely.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 has illustrated the monitoring system schematic diagram at fortune electric power optical cable described in embodiment mono-.
Fig. 2 has illustrated the monitoring system schematic diagram at fortune electric power optical cable described in embodiment bis-.
Detailed description of the invention
Consult Fig. 1, embodiment mono-:
In a monitoring system for fortune electric power optical cable, it is included in fortune optical cable 3, optical sender, optical splitter, theOne photoreceiver and the second photoreceiver, comprise many fibre cores of bunchy at fortune optical cable 3, and described optical sender is sent outThe optical signal going out is from the head end incident of fibre core, and optical signal is divided into two parts light, one by optical splitter after fibre core transmissionPart light is received for the continuation of optical signal and is transmitted by the first photoreceiver, and another part light is by the second photoreceiverReceive and pass through the relatively received optical power situation of change of this part optical signals after receiving, judgement should be at fortune electric powerWhether each fibre core in optical cable occurs to disconnect or attenuation becomes large, and wherein this part light is with optical signal, anotherA part of light is monitoring optical signal, should press a certain fixed power rate at fibre with optical signal and monitoring optical signalIn core, transmit, when fibre core is intact, with optical signal and monitoring optical signal all completely from fibre core transmission by alsoFrom the tail end outgoing of fibre core, isolate and continuing transmission for data communication with optical signal by this power ratio by optical splitterNetwork continues to use, and isolate monitoring optical signal by this power ratio simultaneously and whether disconnect for monitoring fibre core,If rupture in certain of fibre core, must cause with optical signal and monitoring optical signal in this fibre coreThrough-put power decays simultaneously, receives the incoming signal of this fibre core of this monitoring optical signal by the second photoreceiverIf there is decay or decay to a certain setting threshold, illustrating that this fibre core ruptures. Described optical sender is lightFine router or optical transmitter and receiver, described the first photoreceiver and the second photoreceiver be optical fiber router, optical transmitter and receiver orLight detection equipment.
Consult Fig. 2, embodiment bis-:
In a monitoring system for fortune electric power optical cable, it is included in fortune optical cable 3, can be emitted in optical signalThe first optical sender and the second optical sender that sends monitoring optical signal, wave multiplexer, channel-splitting filter and the first light connectReceipts machine and the second photoreceiver, described different with the optical wavelength of monitoring optical signal with optical signal, should be at fortune lightCable 3 comprises many fibre cores of bunchy, and described the first optical sender is connected wave multiplexer with the second optical sender and it is eachSpontaneous ejaculation after closing ripple with optical signal and monitoring with optical signal ECDC ripple device from the head end incident of each fibre core,After each fibre core transmits, penetrate and be divided into corresponding using optical signal and monitoring with optical signals first by channel-splitting filterPhotoreceiver and the second photoreceiver are corresponding to be received, by comparing monitoring optical signal the connecing after receiving of outgoingReceive optical power change situation, judge whether this each fibre core in fortune electric power optical cable occurs to disconnect or attenuation becomes large.In a fibre core, be connected with the optical signal of two medium wavelengths simultaneously, be divided into and using optical signal and monitoring optical signal,Using by optical signal normal transmission in data communication network on the one hand, monitoring is supervised in real time with optical signal on the one handSurvey whether fibre core fracture occurs or attenuation becomes large. Described the first optical sender, the second optical sender be optical line byDevice or optical transmitter and receiver, described the first photoreceiver and the second photoreceiver are optical fiber router, optical transmitter and receiver or light detectionEquipment.
The above, be only preferred embodiment of the present invention, thus can not limit according to this scope of the invention process,The equivalence of doing according to the scope of the claims of the present invention and description changes and modifies, and all should still belong to the present invention and containScope in.
Claims (4)
1. in a monitoring system for fortune electric power optical cable, it is characterized in that: be included in fortune optical cable, optical sender,Optical splitter, the first photoreceiver and the second photoreceiver, comprise many fibre cores of bunchy, described light at fortune optical cableThe optical signal that emitter sends is from the head end incident of fibre core, and optical signal is pressed fixing merit by optical splitter after fibre core transmissionRate score is two parts light, and a part of light is received for the continuation of optical signal and transmitted by the first photoreceiver, anotherPart light is received by the second photoreceiver and passes through the relatively received optical power situation of change of this part optical signals, sentencesWhether disconnected this each fibre core in fortune electric power optical cable occurs to disconnect or attenuation becomes large, wherein this part light beWith optical signal, another part light is monitoring optical signal.
2. a kind of monitoring system at fortune electric power optical cable according to claim 1, is characterized in that: described inOptical sender is optical fiber router or optical transmitter and receiver, described the first photoreceiver and the second photoreceiver be optical line byDevice, optical transmitter and receiver or light detection equipment.
3. in a monitoring system for fortune electric power optical cable, it is characterized in that: be included in fortune optical cable, can be emitted inWith first optical sender and the second optical sender that sends monitoring optical signal, wave multiplexer, channel-splitting filter of optical signalWith the first photoreceiver and the second photoreceiver, described different with the optical wavelength of monitoring optical signal with optical signal,Many the fibre cores that should comprise at fortune optical cable bunchy, described the first optical sender is connected wave multiplexer with the second optical senderAnd its launch separately after closing ripple with optical signal and monitoring with optical signal ECDC ripple device from the head end of each fibre coreIncident is penetrated and is divided into corresponding to optical signal and monitoring optical signal by channel-splitting filter after the transmission of each fibre coreBy the first photoreceiver and the corresponding reception of the second photoreceiver, use optical signal through receiving by the monitoring of relatively outgoingAfter received optical power situation of change, judge whether each fibre core in electric power optical cable occurs disconnect or decline in fortune for thisIt is large that consumption becomes.
4. a kind of monitoring system at fortune electric power optical cable according to claim 3, is characterized in that: described inThe first optical sender, the second optical sender are optical fiber router or optical transmitter and receiver, described the first photoreceiver and secondPhotoreceiver is optical fiber router, optical transmitter and receiver or light detection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510942906.XA CN105610495A (en) | 2015-12-16 | 2015-12-16 | Monitoring system of online electric optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510942906.XA CN105610495A (en) | 2015-12-16 | 2015-12-16 | Monitoring system of online electric optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN105610495A true CN105610495A (en) | 2016-05-25 |
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| CN201510942906.XA Pending CN105610495A (en) | 2015-12-16 | 2015-12-16 | Monitoring system of online electric optical cable |
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Citations (13)
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| US20090162054A1 (en) * | 2007-12-21 | 2009-06-25 | Takefumi Oguma | Collection of data from an optical channel monitor without causing a malfunction of a transmission apparatus |
| CN201947270U (en) * | 2011-03-18 | 2011-08-24 | 北京锐锋钝石科技有限公司 | Light power monitoring system |
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| CN102664677A (en) * | 2012-04-19 | 2012-09-12 | 北京奥普维尔科技有限公司 | Method and system for realizing data communication on light source to realize two-way testing |
| CN202679365U (en) * | 2012-04-27 | 2013-01-16 | 山西省电力公司大同供电分公司 | Optical-fiber protector |
| CN103222206A (en) * | 2012-10-31 | 2013-07-24 | 华为技术有限公司 | Fault detection method, apparatus and system of branch fiber |
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| US20150125145A1 (en) * | 2013-11-05 | 2015-05-07 | Fujitsu Limited | Optical transmission system and optical transmission device |
| CN104967479A (en) * | 2015-07-01 | 2015-10-07 | 中国电信股份有限公司南京分公司 | Detector and test method for optical fiber breakpoint in EPON (Ethernet Passive Optical Network) |
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2015
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Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5790285A (en) * | 1996-05-21 | 1998-08-04 | Lucent Technologies Inc. | Lightwave communication monitoring system |
| US20090162054A1 (en) * | 2007-12-21 | 2009-06-25 | Takefumi Oguma | Collection of data from an optical channel monitor without causing a malfunction of a transmission apparatus |
| CN102208941A (en) * | 2010-03-30 | 2011-10-05 | 华为技术有限公司 | Fiber failure detection system, method, optical switch and passive optical network system |
| CN201947270U (en) * | 2011-03-18 | 2011-08-24 | 北京锐锋钝石科技有限公司 | Light power monitoring system |
| US8693866B1 (en) * | 2012-01-20 | 2014-04-08 | Google Inc. | Fiber diagnosis system for WDM optical access networks |
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| CN103222206A (en) * | 2012-10-31 | 2013-07-24 | 华为技术有限公司 | Fault detection method, apparatus and system of branch fiber |
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Application publication date: 20160525 |