CN107769847A - Tandem type fiber optic cable monitor method and monitoring system based on light time division technique - Google Patents
Tandem type fiber optic cable monitor method and monitoring system based on light time division technique Download PDFInfo
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- CN107769847A CN107769847A CN201711127146.2A CN201711127146A CN107769847A CN 107769847 A CN107769847 A CN 107769847A CN 201711127146 A CN201711127146 A CN 201711127146A CN 107769847 A CN107769847 A CN 107769847A
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- light
- photoswitch
- monitoring
- optical
- optical cable
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000835 fiber Substances 0.000 title claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims abstract description 110
- 238000012360 testing method Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0771—Fault location on the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0003—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
Abstract
The invention discloses a kind of tandem type fiber optic cable monitor method based on light time sharing, the monitoring light sent to an instrument is realized by photoswitch, send at times to corresponding port, one-level photoswitch is cascaded below each output port again, by the monitoring light another sub-distribution smaller period sent to corresponding output port, the like, by the way of this optical switch stack, it can realize that a comprehensive monitoring instrument timesharing is polled formula or the monitoring of roll-call formula to the different optical cables of different substation, greatly improve the service efficiency of instrument.The monitoring method can be applied to optical cable on-line monitoring system, system Construction cost is reduced and operation and maintenance expenses are used, be easy to implement and a large amount of optical cables are efficiently monitored, improve optical cable maintenance work efficiency and managerial skills.
Description
Technical field
The present invention relates to a kind of tandem type fiber optic cable monitor method and monitoring system based on light time division technique, it is mainly used in
The communications field, it is particularly applicable in optical cable O＆M and monitoring field.
Background technology
At present, as the propulsion of Distribution Automation Construction, distribution optical fiber telecommunications line largely put into operation, it is characterized in several
Amount is big, and optical cable segment is more, and the daily maintenance work of optical cable is heavy, and monitoring in real time and troubleshooting are difficult.According to traditional O＆M pattern,
Line failure, localization of fault is difficult, has a strong impact on the reliability service of communication network.
The content of the invention
According to the deficiencies in the prior art, the present invention provide a kind of tandem type fiber optic cable monitor method based on light time division technique and
Monitoring system, it can realize that an instrument timesharing carries out repeating query monitoring to multiple transformer stations and different optical cables by the present invention, no
But operating efficiency is improved, and investment reduction cost.
The present invention is realized by following technical scheme：
A kind of tandem type fiber optic cable monitor method based on light time division technique, realize what a test instrumentation was sent by photoswitch
Light is monitored, sends at times to corresponding port, cascades one-level photoswitch below each output port again, the prison that will be sent
The another sub-distribution of the light-metering smaller period to corresponding output port, the like, can by the way of this optical switch stack
Realize that a comprehensive monitoring instrument timesharing is polled formula or the monitoring of roll-call formula to the different optical cables of different substation.
Preferably, a certain moment, the luminous power of test instrumentation all distribute one of ports, and other ports without
Light, so as to ensure the intensity of test light, realize and long range optical cable is tested.
Preferably, by optical switch stack, the scope and quantity of fiber optic cable monitor are increased, one-level photoswitch, which is realized, divides light
Different transformer stations is not delivered to, and two level photoswitch is realized delivers to different optical cables respectively by monitoring light, and fiber optic cable monitor is improved with this
The monitoring capability of system.
Preferably, fiber optic cable monitor instrument from IN ports by light detection signal input optical switch, according to Working mode set,
Exported at times from K1, K2, K3, K4 port；K1, K2, K3, K4 port connect an optical cable respectively, can realize to four light
Cable carries out timesharing monitoring.
Preferably, K1, K2, K3, K4 port are connected to the secondary light of four peripheral transformer stations by connecting optical cable respectively
Osw21, osw22, osw23, osw24 are switched, the outlet of two level photoswitch connects an optical cable respectively, then realizes to four power transformations
16 optical cables stood carry out timesharing monitoring；By that analogy, photoswitch three-stage cascade, it can realize and 64 optical cables are carried out
Timesharing is tested.
A kind of tandem type optical cable monitoring system based on light time division technique, in distribution center station or load-center substation installation one
Platform fiber-optic monitoring instrument and an one-level photoswitch, the fiber-optic monitoring instrument is by connecting the IN ends of optical cable and one-level photoswitch
Mouth electrically connects, and multiple output ports on the one-level photoswitch are connected to multiple two level photoswitches by connecting optical cable respectively
IN ports, and each two level photoswitch is arranged in a transformer station, it is more on the two level photoswitch in each transformer station
Individual output port connects multiple optical splitters by connecting optical cable respectively, and each optical splitter is arranged in a power distribution station.
Preferably, multiple output ports on the one-level photoswitch are electrically connected by connecting wire with binding post,
The binding post electrically connects further through connection optical cable with the IN ports of multiple two level photoswitches；On each two level photoswitch
Multiple output ports are electrically connected by connecting wire with binding post, and the binding post is further through connection optical cable and multiple light splitting
Device electrically connects.
Preferably, the one-level photoswitch is provided with four output ports.
Preferably, the two level photoswitch has four, and each two level photoswitch is provided with four output ports.
Beneficial effect of the present invention：
1）According to the realistic problem that optical cable segment number is more, fiber optic cable monitor task is heavy, with reference to fiber optic cable monitor to requirement of real-time not
The characteristics of high, using light time sharing, by technological means, realize that the test light time segment of fiber optic testing instrument is distributed to not
Same optical cable fibre core is tested, and so as to realize that an instrument can be tested a plurality of optical cable at times, improves instrument
Utilization rate, reduce optical cable monitoring system construction cost；
2）Using the method for optical switch stack, the test optical signal of upper level photoswitch light output can be carried out again on time
Section is assigned to each output port, and more optical cables are tested so as to realize.By taking one point of four photoswitch as an example, one-level photoswitch
It can realize and time-sharing operation is carried out to four optical cables, if carrying out two-level concatenation with same photoswitch, can at most distribute to
Four photoswitches, and each photoswitch can distribute to four ports, method carries out fiber optic cable monitor successively, it is possible to achieve to 16
Root optical cable carries out timesharing monitoring.
3）Penetrated by optical splitter and studied with optical coupling technology, realize test optical signal to the effective break-through of multistage optical splitter,
Realize to carrying out performance monitoring with fibre core, provide reliable basis for optical cable O＆M and fault location, event occurs in communication network
During barrier, Visual Performance parameter curve can be provided for failure operation maintenance personnel in time, greatly shorten fault handling time, improved logical
Believe network operation reliability.
Brief description of the drawings
Fig. 1 is photoswitch principle schematic；
Fig. 2 is optical switch stack principle schematic；
Fig. 3 is tandem type optical cable monitoring system figure（There are four output ports in photoswitch）；
Fig. 4 is tandem type optical cable monitoring system figure（There is n output port in photoswitch）.
Embodiment
Below in conjunction with accompanying drawing, by specific embodiment, the present invention is further illustrated.
A kind of tandem type fiber optic cable monitor method based on light time division technique, realized by photoswitch and a test instrumentation is sent out
The monitoring light gone out, send at times to corresponding port, cascade one-level photoswitch below each output port again, will send
Monitoring light another sub-distribution smaller period to corresponding output port, the like, by the way of this optical switch stack,
It can realize that a comprehensive monitoring instrument timesharing is polled formula or the monitoring of roll-call formula to the different optical cables of different substation.
At a certain moment, the luminous power of test instrumentation all distributes one of port, and other ports are unglazed, so as to protect
The intensity of test light is demonstrate,proved, realizes and long range optical cable is tested.
By optical switch stack, increase the scope and quantity of fiber optic cable monitor, one-level photoswitch is realized and light is delivered to not respectively
Same transformer station, two level photoswitch is realized delivers to different optical cables respectively by monitoring light, and the prison of optical cable monitoring system is improved with this
Survey ability.
As shown in accompanying drawing 1, Fig. 2, the present invention by light time-shared switch and Cascading Methods, when realizing monitoring light the division of section and
Distribution.Light detection signal is inputted one-level photoswitch 100 by fiber-optic monitoring instrument 400 from IN ports, can according to Working mode set
To be exported at times from K1, K2, K3, K4 port.If K1-K4 ports connect an optical cable respectively, it is possible to realize to four
Optical cable carries out timesharing monitoring；If K1-K4 is respectively connecting to the two level photoswitch osw21-osw24 of 4 peripheral transformer stations, two level
The outlet of photoswitch 200 connects an optical cable respectively, then can realize and carry out timesharing monitoring to 16 optical cables of 4 transformer stations；
By that analogy, if photoswitch three-stage cascade, three-level photoswitch 300 can be realized carries out timesharing test to 64 optical cables.
Concrete application in optical cable monitoring system as shown in Figure 3, in central station or load-center substation, installs a light
Fine measuring instrument 400 and an one-level photoswitch 100, using existing cable resource, light will be monitored and be forwarded to neighbouring power transformation
Stand 1, transformer station 2, transformer station 3 and transformer station 4, each transformer station is respectively configured a two level photoswitch 200, in transformer station 1
Two level photoswitch 200 four output ports, four output ports are electrically connected with binding post 500 by connecting wire, connect
Line terminals 500 respectively send monitoring light to four optical cables of our station, each optical cable and the optical splitter in power distribution station at times
600 electrical connections.
Similarly, the photoswitch of transformer station 2, transformer station 3 and transformer station 4 is sent to a plurality of light of our station at times by light is monitored
Cable, cascaded according to above-mentioned monitoring, can conveniently realize that a fiber-optic monitoring instrument 400 is carried out to multiple transformer stations, a plurality of optical cable
Monitoring, greatly reduce the construction cost of optical cable monitoring system.
Certainly, this tandem type optical cable monitoring system can also be applied in more applications, as shown in Figure 4, at center
Stand or load-center substation, a fiber-optic monitoring instrument 400 and an one-level photoswitch 100 are installed, using existing cable resource,
Will monitor light be forwarded near transformer station 1, transformer station 2 ... a two level is respectively configured in transformer station n, each transformer station
Photoswitch 200, n output port of the two level photoswitch 200 in transformer station 1 respectively send monitoring light to our station at times
N bar optical cables（Optical cable 11, optical cable 12 ... optical cable 1n）.Similarly, transformer station n photoswitch is sent to this at times by light is monitored
The n bar optical cables stood（Optical cable n1, optical cable n2 ... optical cable nn）, cascaded according to above-mentioned monitoring, can conveniently realize an optical fiber prison
Survey instrument 400 to be monitored multiple transformer stations, a plurality of optical cable, greatly reduce the construction cost of optical cable monitoring system.
Compared with prior art, the present invention has advantages below：
1）According to the realistic problem that optical cable segment number is more, fiber optic cable monitor task is heavy, with reference to fiber optic cable monitor to requirement of real-time not
The characteristics of high, using light time sharing, by technological means, realize that the test light time segment of fiber optic testing instrument is distributed to not
Same optical cable fibre core is tested, and so as to realize that an instrument can be tested a plurality of optical cable at times, improves instrument
Utilization rate, reduce optical cable monitoring system construction cost；
2）Using the method for optical switch stack, the test optical signal of upper level photoswitch light output can be carried out again on time
Section is assigned to each output port, and more optical cables are tested so as to realize.By taking one point of four photoswitch as an example, one-level photoswitch
It can realize and time-sharing operation is carried out to four optical cables, if carrying out two-level concatenation with same photoswitch, can at most distribute to
Four photoswitches, and each photoswitch can distribute to four ports, method carries out fiber optic cable monitor successively, it is possible to achieve to 16
Root optical cable carries out timesharing monitoring.
3）Penetrated by optical splitter and studied with optical coupling technology, realize test optical signal to the effective break-through of multistage optical splitter,
Realize to carrying out performance monitoring with fibre core, provide reliable basis for optical cable O＆M and fault location, event occurs in communication network
During barrier, Visual Performance parameter curve can be provided for failure operation maintenance personnel in time, greatly shorten fault handling time, improved logical
Believe network operation reliability.
It the above is only the preferred embodiment of the present invention, it should be pointed out that：Come for those skilled in the art
Say, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (9)
- A kind of 1. tandem type fiber optic cable monitor method based on light time division technique, it is characterised in that：Realized by photoswitch to one The monitoring light that test instrumentation is sent, sends to corresponding port at times, cascades one-level light below each output port again and opens Close, by the monitoring light another sub-distribution smaller period sent to corresponding output port, the like, using this photoswitch The mode of cascade, it can realize that a comprehensive monitoring instrument timesharing is polled formula or roll-call to the different optical cables of different substation Formula monitors.
- 2. the tandem type fiber optic cable monitor method according to claim 1 based on light time division technique, it is characterised in that：Certain is for the moment Carve, the luminous power of test instrumentation all distributes one of port, and other ports are unglazed, so as to ensure the strong of test light Degree, realizes and long range optical cable is tested.
- 3. the tandem type fiber optic cable monitor method according to claim 1 based on light time division technique, it is characterised in that：Pass through light Switch cascade, increase the scope and quantity of fiber optic cable monitor, one-level photoswitch, which is realized, respectively delivers to light different transformer stations, two level Photoswitch is realized delivers to different optical cables respectively by monitoring light, and the monitoring capability of optical cable monitoring system is improved with this.
- 4. the tandem type fiber optic cable monitor method according to claim 3 based on light time division technique, it is characterised in that：Optical cable is supervised Instrument is surveyed from IN ports by light detection signal input optical switch, according to Working mode set, at times from K1, K2, K3, K4 port Output；K1, K2, K3, K4 port connect an optical cable respectively, can realize and carry out timesharing monitoring to four optical cables.
- 5. the tandem type fiber optic cable monitor method according to claim 4 based on light time division technique, it is characterised in that：K1、K2、 K3, K4 port be connected to respectively by connecting optical cable two level photoswitch osw21, osw22 of four peripheral transformer stations, osw23, Osw24, the outlet of two level photoswitch connect an optical cable respectively, then realize and carry out timesharing to 16 optical cables of four transformer stations Monitoring；By that analogy, photoswitch three-stage cascade, it can realize and timesharing test is carried out to 64 optical cables.
- A kind of 6. tandem type optical cable monitoring system based on light time division technique, it is characterised in that：Become at distribution center station or hinge A fiber-optic monitoring instrument and an one-level photoswitch are installed in power station, and the fiber-optic monitoring instrument is by connecting optical cable and one-level light The IN ports of switch electrically connect, and multiple output ports on the one-level photoswitch are connected to multiple two by connecting optical cable respectively The IN ports of level photoswitch, and each two level photoswitch is arranged in a transformer station, the secondary light in each transformer station Multiple output ports on switch connect multiple optical splitters by connecting optical cable respectively, and each optical splitter is matched somebody with somebody installed in one In power station.
- 7. the tandem type optical cable monitoring system according to claim 6 based on light time division technique, it is characterised in that：Described one Multiple output ports on level photoswitch are electrically connected by connecting wire with binding post, and the binding post is further through connection light Cable electrically connects with the IN ports of multiple two level photoswitches；Multiple output ports on each two level photoswitch are electrically connected by connecting wire with binding post, the binding post Electrically connected further through connection optical cable with multiple optical splitters.
- 8. the tandem type optical cable monitoring system based on light time division technique according to claim 6 or 7, it is characterised in that：Institute State one-level photoswitch and be provided with four output ports.
- 9. the tandem type optical cable monitoring system based on light time division technique according to claim 6 or 7, it is characterised in that：Institute Stating two level photoswitch has four, and each two level photoswitch is provided with four output ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711127146.2A CN107769847A (en) | 2017-11-15 | 2017-11-15 | Tandem type fiber optic cable monitor method and monitoring system based on light time division technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711127146.2A CN107769847A (en) | 2017-11-15 | 2017-11-15 | Tandem type fiber optic cable monitor method and monitoring system based on light time division technique |
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| CN107769847A true CN107769847A (en) | 2018-03-06 |
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| CN201711127146.2A Pending CN107769847A (en) | 2017-11-15 | 2017-11-15 | Tandem type fiber optic cable monitor method and monitoring system based on light time division technique |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130965A (en) * | 1994-07-29 | 1996-09-11 | 尼考特拉希斯泰米股份公司 | Optical modular control device for monitoring optical fiber cables |
| JP2011166392A (en) * | 2010-02-09 | 2011-08-25 | Keio Gijuku | Optical switch device and control method thereof |
| CN206332673U (en) * | 2017-01-10 | 2017-07-14 | 成都中通嘉业科技发展有限公司 | A kind of optical fiber online testing device and its application circuit |
| CN206481303U (en) * | 2017-01-10 | 2017-09-08 | 成都中通嘉业科技发展有限公司 | A kind of optical fiber detector and its application circuit for spare fibre |
-
2017
- 2017-11-15 CN CN201711127146.2A patent/CN107769847A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130965A (en) * | 1994-07-29 | 1996-09-11 | 尼考特拉希斯泰米股份公司 | Optical modular control device for monitoring optical fiber cables |
| JP2011166392A (en) * | 2010-02-09 | 2011-08-25 | Keio Gijuku | Optical switch device and control method thereof |
| CN206332673U (en) * | 2017-01-10 | 2017-07-14 | 成都中通嘉业科技发展有限公司 | A kind of optical fiber online testing device and its application circuit |
| CN206481303U (en) * | 2017-01-10 | 2017-09-08 | 成都中通嘉业科技发展有限公司 | A kind of optical fiber detector and its application circuit for spare fibre |
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Application publication date: 20180306 |