CN104796192B - A kind of intelligent real-time multichannel optic-fiber monitoring system and method - Google Patents
A kind of intelligent real-time multichannel optic-fiber monitoring system and method Download PDFInfo
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- CN104796192B CN104796192B CN201410382717.7A CN201410382717A CN104796192B CN 104796192 B CN104796192 B CN 104796192B CN 201410382717 A CN201410382717 A CN 201410382717A CN 104796192 B CN104796192 B CN 104796192B
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Abstract
The present invention provides a kind of intelligent real-time multichannel optic-fiber monitoring system and method, including master control borad, OTDR module boards, business board and power panel, a plurality of fibre circuit can be monitored in real time, using the structure of plate card type, can flexible assembling be conveniently linked into different fiber optic networks, easy to use, cost is low, and energy intelligent real time monitoring fibre circuit situation, facilitates maintenance personal rapidly to fix a breakdown.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of intelligent real-time multichannel optic-fiber monitoring system and method.
Background technology
Optical-fiber network is the most common form of current communication network, fiber-optic communications traffic have bandwidth, capacity are big, loss is low,
The advantages that strong antijamming capability, means indispensable as a kind of communication network.
With flourishing for optical-fiber network, boundless vital force is brought to the communications industry, but also there are many potential hidden danger.Light
During the construction maintenance of reality, to failure position, failure classes can not occur for traditional optical-fiber network detection method for network service
Type etc. is accurately positioned and judged, is brought great inconvenience to maintenance personal, more can not effectively be monitored optical fiber in real time
The situation of link, there is provided precautionary measures.Although most of optical-fiber networks have the mechanism of APS, this is also helpless to constructor
Member in time, effectively, accurately judge the fault type on circuit and trouble point；Traditional optical-fiber network maintaining method, it is desirable to apply
Work librarian use hand-held meter table is measured each of the links in multi-channel optical fibre communication equipment one by one, in link failure
After search out trouble point and repaired, cause inconvenient maintenance.
OTDR optical time domain reflectometers be using light transmit in a fiber when Rayleigh scattering and Fresnel reflection produced by
Backscattering and manufactured accurate optoelectronic integration instrument, it be widely used in lightguide cable link maintenance, construction among,
The measurement of fiber lengths, the transmission attenuation of optical fiber, joint decay and fault location etc. can be carried out.But traditional OTDR is one
Handheld device, the use as test instrumentation are the manual maintenance services of a kind of distributing, passive type, it is difficult to ensure higher light
Cable safety requirements, and it is expensive；When being tested using OTDR instrument lightguide cable link, it is also necessary to the circuit is disconnected,
It can not be communicated, be brought inconvenience.
Published patent document, its Publication No. CN1138358, using a set of OTDR module monitors multifiber, lead to
Cross front controller and realize loop control, reach the purpose of real-time monitoring multi-channel optical fibre, but the assembling of its circuit is cumbersome, it is required
Space is big, and cost is high, and can not easily access different optical network lines, installation inconvenience.
For problem above, patent of the present invention is intended to design a kind of intelligent real-time multichannel optic-fiber monitoring system and method, energy
Intelligent real time monitoring fibre circuit situation, facilitates maintenance personal rapidly to fix a breakdown, while using the structure of plate card type, can spirit
Work is easy to assembly to be linked into different optical-fiber networks, and easy to use, cost is low.
The content of the invention
The present invention proposes a kind of intelligent real-time multichannel optic-fiber monitoring system, including：
Master control borad, monitoring host computer and OTDR module boards are connected, for receiving the monitoring host computer instruction and according to the finger
Order control OTDR module boards；
OTDR module boards, the master control borad and business board are connected, for test optical signal to be imported into business board and to described
Testing fiber circuit is monitored on business board；
Business board, connect the OTDR module boards and the testing fiber circuit；
Power panel, the master control borad, OTDR module boards and business board are connected, for the master control borad, OTDR module boards
It is powered with business board.
Further, LAN mouths are provided with master control borad of the present invention, for connecting the monitoring host computer.
Further, the control unit model KSZ8695 that master control borad of the present invention uses.
Further, the parameter that the present invention is monitored to the testing fiber circuit includes refresh cycle, test wavelength, survey
Try the one or more in range, test pulsewidth, time of measuring, group index, end thresholding and non-reflective thresholding.
Further, WDM wavelength-division multiplex unit and fiber coupler are provided with business board of the present invention, for by described in
Test optical signal is coupled into the testing fiber circuit.
The present invention also provides a kind of intelligent real-time multichannel fiber-optic monitoring method, comprises the following steps：
(A) control instruction is sent to OTDR module boards by master control borad；
(B) the OTDR module boards will test optical signal importing business board after receiving the control instruction；
(C) the test optical signal is coupled into testing fiber circuit and is monitored by the business board.
Brief description of the drawings
Embodiments of the present invention is further illustrated referring to the drawings, wherein：
Fig. 1 is the structure chart of the intelligent real-time multichannel optic-fiber monitoring system embodiment one of the present invention；
The structure member represented by numeral in figure is：
(1), master control borad (2), OTDR module boards (3), business board
(4), power panel (5), board state indicator lamp (6), circuit input port to be measured
(7), test light signal input (8), circuit output mouth to be measured (9), LAN mouths
(10), RS232 mouths (11), test light signal output (12), power connection
Fig. 2 is the framework map of the intelligent real-time multichannel optic-fiber monitoring system embodiment one of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
It is the intelligent real-time multichannel light of the present invention the invention provides a kind of intelligent real-time multichannel optic-fiber monitoring system, such as Fig. 1
The structure chart of fine monitoring system embodiment one, including master control borad (1), OTDR module boards (2), business board (3) and power panel (4).
The outside monitoring host computer of master control borad (1) connection and OTDR module boards (2), for receiving the monitoring host computer instruction and root
OTDR module boards (2), the control unit model KSZ8695 that master control borad (1) uses are controlled according to the instruction.On master control borad (1)
LAN mouths (9) are provided with, for connecting outside monitoring host computer, can be communicated with monitoring host computer, equipment manager can pass through LAN mouths (9)
Different instructions is assigned to system.RS232 mouths (10) are additionally provided with master control borad (1), are available for developing commissioning staff for being
System is debugged.
OTDR module boards (2) connect the master control borad (1) and business board (3), for test optical signal to be imported into business board
(3) and to testing fiber circuit on the business board (3) it is monitored；Business board (3) connects the OTDR module boards (2) and institute
State testing fiber circuit.OTDR module boards (2) are mainly opened and formed by OTDR modules and a multichannel light, and light is controlled using single-chip microcomputer
Drive row routing into.
Connected by circuit, the test light signal output (11) on OTDR module boards (2) is connected on business board (3)
Test light signal input (7), test optical signal is entered business board (3) by OTDR module boards (2), primary light path is fallen
During changing to different business board (3), the fibre circuit connected on other business boards (3) is not interfered with.Business
Plate is provided with WDM wavelength-division multiplex unit and fiber coupler on (3), and described light-metering is treated for the test optical signal to be coupled into
Fine circuit.
Power panel (4) connects master control borad (1), OTDR module boards (2) and the business board (3), for the master control borad
(1), OTDR module boards (2) and business board (3) are powered.
Referring to Fig. 2, it is the framework map of the intelligent real-time multichannel optic-fiber monitoring system embodiment one of the present invention.OTDR module boards
(2) opened and formed by OTDR modules and a 8 road light, row routing is driven into using single-chip microcomputer control light.Collected in OTDR module boards (2)
To after current testing fiber line test result, master control borad (1) is uploaded to, master control borad (1) uploads to prison by Ethernet interface again
Main frame is controlled, is analysed and compared by monitoring host computer and result is stored.The test ginseng being monitored to the testing fiber circuit
Number includes refresh cycle, test wavelength, testing range, test pulsewidth, time of measuring, group index, end thresholding and non-reflective
Thresholding etc..
Present invention also offers intelligent real-time multichannel fiber-optic monitoring method is realized using said system, comprise the following steps：
(A) control instruction is sent to OTDR module boards by master control borad；
(B) the OTDR module boards will test optical signal importing business board after receiving the control instruction；
(C) the test optical signal is coupled into testing fiber circuit and is monitored by the business board.
The intelligent real-time multichannel optic-fiber monitoring system and method that the present invention also provides, can intelligent real time monitoring fibre circuit shape
Condition, manual mode can also be selected to detect specific fibre circuit, real-time display of the trouble point on monitoring host computer,
Maintenance personal can be facilitated rapidly to fix a breakdown.Meanwhile using board type structure, it can flexibly access different optical fiber cable road networks
Network, without interference with other equipment and management system, it will not also be disturbed by them are come from, it is easy to use.
The embodiment of present invention described above, is not intended to limit the scope of the present invention..Any basis
The various other corresponding changes and deformation that the technical concept of the present invention is made, should be included in the guarantor of the claims in the present invention
In the range of shield.
Claims (2)
- A kind of 1. intelligent real-time multichannel optic-fiber monitoring system, it is characterised in that including：Master control borad, monitoring host computer and OTDR module boards are connected, for receiving the monitoring host computer instruction and being controlled according to the instruction OTDR module boards processed, LAN mouths are provided with the master control borad, for connecting the monitoring host computer, the control that the master control borad uses Unit model KSZ8695 processed；OTDR module boards, the master control borad and business board are connected, for test optical signal to be imported into business board and to the business Testing fiber circuit is monitored on plate；The parameter being monitored to the testing fiber circuit includes refresh cycle, test waves One or more in length, testing range, test pulsewidth, time of measuring, group index, end thresholding and non-reflective thresholding；Business board, connect the OTDR module boards and the testing fiber circuit；WDM wavelength-division multiplex is provided with the business board Unit and fiber coupler, for the test optical signal to be coupled into the testing fiber circuit；Power panel, the master control borad, OTDR module boards and business board are connected, for the master control borad, OTDR module boards and industry Business plate is powered.
- A kind of 2. intelligent real-time multichannel fiber-optic monitoring method, it is characterised in that comprise the following steps：(A) control instruction is sent to OTDR module boards by master control borad；The control unit model that the master control borad uses KSZ8695；(B) the OTDR module boards will test optical signal importing business board after receiving the control instruction；On the business board WDM wavelength-division multiplex unit and fiber coupler are provided with, for the test optical signal to be coupled into testing fiber circuit；(C) the test optical signal is coupled into testing fiber circuit and is monitored by the business board, to the testing fiber The parameter that circuit is monitored include the refresh cycle, test wavelength, testing range, test pulsewidth, time of measuring, group index, Terminate the one or more in thresholding and non-reflective thresholding.
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| CN201410382717.7A CN104796192B (en) | 2014-08-06 | 2014-08-06 | A kind of intelligent real-time multichannel optic-fiber monitoring system and method |
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| CN201410382717.7A CN104796192B (en) | 2014-08-06 | 2014-08-06 | A kind of intelligent real-time multichannel optic-fiber monitoring system and method |
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| CN104796192B true CN104796192B (en) | 2018-01-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429698B (en) * | 2015-12-08 | 2019-06-07 | 国家电网公司 | A kind of multifunctional optical fiber link analyzer for intelligent substation |
| CN107371072B (en) * | 2017-08-01 | 2021-10-29 | 全球能源互联网研究院 | Optical line terminal with multi-parameter online monitoring function |
| US20230283365A1 (en) * | 2022-03-04 | 2023-09-07 | Viavi Solutions Inc. | Apparatuses integrating separate wdm modules and otdr/switch modules |
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| CN2364631Y (en) * | 1999-05-06 | 2000-02-16 | 山东省光科光纤通信科技开发中心 | Automatic monitoring in-situ controlling device for optic cable line |
| CN1536790A (en) * | 2003-04-10 | 2004-10-13 | 上海国欣科技发展公司 | Optical cable line real-time monitoring system and its method |
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| CN201918994U (en) * | 2010-12-01 | 2011-08-03 | 苏州新海宜通信科技股份有限公司 | FTTH (Fiber To The Home) passive optical link monitoring system |
| CN202750092U (en) * | 2012-06-26 | 2013-02-20 | 上海致达智利达***控制有限责任公司 | Integrated optical cable monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9002197B2 (en) * | 2012-11-14 | 2015-04-07 | Telefonaktiebolaget L M Ericsson (Publ) | Sequence-based link fault localization |
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| CN2364631Y (en) * | 1999-05-06 | 2000-02-16 | 山东省光科光纤通信科技开发中心 | Automatic monitoring in-situ controlling device for optic cable line |
| CN1536790A (en) * | 2003-04-10 | 2004-10-13 | 上海国欣科技发展公司 | Optical cable line real-time monitoring system and its method |
| CN101252393A (en) * | 2008-04-01 | 2008-08-27 | 武汉光迅科技股份有限公司 | Optic cable automatic monitoring system with optical fiber automatic switch unit |
| CN102035599A (en) * | 2010-12-01 | 2011-04-27 | 苏州新海宜通信科技股份有限公司 | FTTH passive optical link monitoring system and method |
| CN201918994U (en) * | 2010-12-01 | 2011-08-03 | 苏州新海宜通信科技股份有限公司 | FTTH (Fiber To The Home) passive optical link monitoring system |
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