CN104796192A - Intelligent real-time multichannel optical fibre monitoring system and method - Google Patents
Intelligent real-time multichannel optical fibre monitoring system and method Download PDFInfo
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- CN104796192A CN104796192A CN201410382717.7A CN201410382717A CN104796192A CN 104796192 A CN104796192 A CN 104796192A CN 201410382717 A CN201410382717 A CN 201410382717A CN 104796192 A CN104796192 A CN 104796192A
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Abstract
The invention provides an intelligent real-time multichannel optical fibre monitoring system and an intelligent real-time multichannel optical fibre monitoring method, wherein the system comprises a main control panel, an OTDR module board, a business board and a power panel. The system and the method of the invention can be used for monitoring a plurality of optical fiber lines in real time and can conveniently access different optical networks by flexibly assembled via adopting a card mode structure, which are convenient for use and low in cost. The system and the method of the invention can be used for intelligently monitoring the condition of optical fiber lines in real time so as to facilitate quick fault removing of maintenance personnel.
Description
Technical field
The present invention relates to the communications field, particularly the intelligent real-time multichannel optic-fiber monitoring system of one and method.
Background technology
Optical-fiber network is the most general form of current communication network, and fiber-optic communications traffic has the advantages such as bandwidth, capacity are large, loss is low, antijamming capability is strong, as the means that a kind of communication network is indispensable.
Flourish along with optical-fiber network, brings boundless vital force to the communications industry, has much potential hidden danger also.Optical network communication is in the construction maintenance process of reality, traditional optical-fiber network detection method cannot accurately be located fault occurrence positions, fault type etc. and judge, great inconvenience is brought to maintenance personal, more effectively can not monitor the situation of optical fiber link in real time, precautionary measures are provided.Although most of optical-fiber network has the mechanism of APS, this is also helpless to workmen and judges fault type on circuit and fault point in time, effectively, accurately; Traditional optical-fiber network maintaining method, requires that workmen uses hand-held meter table to measure one by one the every bar link in multi-channel optical fibre communication equipment, searches out fault point and repair, cause inconvenient maintenance after link failure.
OTDR optical time domain reflectometer is the backscattering that produces of Rayleigh scattering when utilizing light to transmit in a fiber and Fresnel reflection and the optoelectronic integration instrument of the precision made, it is widely used among the maintenance of lightguide cable link, construction, can carry out the measurement of fiber lengths, the transmission attenuation of optical fiber, joint decay and fault location etc.But traditional OTDR is a handheld device, the use as test instrumentation is the manual maintenance service of a kind of distributing, passive type, is difficult to ensure higher optical cable safety requirements, and expensive; When using OTDR instrument to test lightguide cable link, also needing to disconnect this circuit, can not communicate, bring inconvenience.
Published patent documentation, its publication number is CN1138358, utilize a set of OTDR module monitors multifiber, realize loop control by front controller, reach the object of Real-Time Monitoring multi-channel optical fibre, but the assembling of its circuit is loaded down with trivial details, requisite space is large, cost is high, and can not easily access different optical network lines, installs inconvenience.
For above problem, 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, convenient for maintaining personnel fix a breakdown rapidly, adopt the structure of plate card type simultaneously, can conveniently be linked in different optical-fiber networks by flexible assembling, easy to use, cost be low.
Summary of the invention
The present invention proposes a kind of intelligent real-time multichannel optic-fiber monitoring system, comprising:
Master control borad, connects monitoring host computer and OTDR module board, for receiving described monitoring host computer instruction and according to described instruction control OTDR module board;
OTDR module board, connects described master control borad and business board, for test light signal being imported business board and monitoring testing fiber circuit on described business board;
Business board, connects described OTDR module board and described testing fiber circuit;
Power panel, connects described master control borad, OTDR module board and business board, for powering to described master control borad, OTDR module board and business board.
Further, master control borad of the present invention is provided with LAN mouth, for connecting described monitoring host computer.
Further, the control unit model that master control borad of the present invention adopts is KSZ8695.
Further, the present invention to the parameter that described testing fiber circuit is monitored comprise in refresh cycle, test wavelength, testing range, test pulsewidth, Measuring Time, group index, end thresholding and non-reflective thresholding one or more.
Further, business board of the present invention is provided with WDM wavelength division multiplexing unit and fiber coupler, for described test light signal coupling is entered described testing fiber circuit.
The present invention also provides a kind of intelligent real-time multichannel fiber-optic monitoring method, comprises the steps:
(A) by master control borad to OTDR module board sending controling instruction;
(B) test light signal is imported business board after receiving described control command by described OTDR module board;
(C) described test light signal coupling is entered testing fiber circuit and monitors by described business board.
Accompanying drawing explanation
Referring to accompanying drawing, embodiments of the present invention is further illustrated, wherein:
Fig. 1 is the structure chart of the present invention's intelligence real-time multichannel optic-fiber monitoring system embodiment one;
Structure member represented by numeral in figure is:
(1), master control borad (2), OTDR module board (3), business board
(4), power panel (5), board status indicator lamp (6), circuit input port to be measured
(7), test light signal input (8), circuit delivery outlet to be measured (9), LAN mouth
(10), RS232 mouth (11), test light signal output (12), power connection
Fig. 2 is the framework map of the present invention's intelligence real-time multichannel optic-fiber monitoring system embodiment one.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The invention provides a kind of intelligent real-time multichannel optic-fiber monitoring system, as the structure chart that Fig. 1 is the present invention's intelligence real-time multichannel optic-fiber monitoring system embodiment one, comprise master control borad (1), OTDR module board (2), business board (3) and power panel (4).
Master control borad (1) connects outer monitoring main frame and OTDR module board (2), for receiving described monitoring host computer instruction and according to described instruction control OTDR module board (2), the control unit model that master control borad (1) adopts is KSZ8695.Master control borad (1) being provided with LAN mouth (9), for connecting outer monitoring main frame, can communicating with monitoring host computer, equipment manager assigns different instructions by LAN mouth (9) to system.Master control borad (1) is also provided with RS232 mouth (10), can be used for debugging system for exploitation commissioning staff.
OTDR module board (2) connects described master control borad (1) and business board (3), for test light signal being imported business board (3) and monitoring the upper testing fiber circuit of described business board (3); Business board (3) connects described OTDR module board (2) and described testing fiber circuit.OTDR module board (2) opens composition primarily of OTDR module and a multi-path light, uses Single-chip Controlling light to drive row routing into.
Connected by circuit, test light signal output (11) on OTDR module board (2) is connected to the test light signal input (7) on business board (3), test light signal is made to enter into business board (3) by OTDR module board (2), elementary light path is switched in the process of different business boards (3), can not have influence on the fibre circuit that other business board (3) connects.(3) are provided with WDM wavelength division multiplexing unit and fiber coupler to business board, for described test light signal coupling is entered described testing fiber circuit.
Power panel (4) connects described master control borad (1), OTDR module board (2) and business board (3), for powering to described master control borad (1), OTDR module board (2) and business board (3).
Referring to Fig. 2, is the framework map of the present invention's intelligence real-time multichannel optic-fiber monitoring system embodiment one.OTDR module board (2) is opened by OTDR module and 8 road light and is formed, and uses Single-chip Controlling light to drive row routing into.After OTDR module board (2) collects current testing fiber line test result, be uploaded to master control borad (1), master control borad (1) uploads to monitoring host computer by Ethernet interface again, is analysed and compared and store result by monitoring host computer.Refresh cycle, test wavelength, testing range, test pulsewidth, Measuring Time, group index, end thresholding and non-reflective thresholding etc. are comprised to the test parameter that described testing fiber circuit is monitored.
Present invention also offers application said system and realize intelligent real-time multichannel fiber-optic monitoring method, comprise the steps:
(A) by master control borad to OTDR module board sending controling instruction;
(B) test light signal is imported business board after receiving described control command by described OTDR module board;
(C) described test light signal coupling is entered testing fiber circuit and monitors by described business board.
The intelligent real-time multichannel optic-fiber monitoring system that the present invention also provides and method, can intelligent real time monitoring fibre circuit situation, also manual mode can be selected to detect specific fibre circuit, and the real-time display of fault point on monitoring host computer, can convenient for maintaining personnel fix a breakdown rapidly.Meanwhile, adopt board type structure, different fibre circuit networks can be accessed flexibly, other facilities and administration systems can not be disturbed, also can not be subject to the interference coming from them, easy to use.
The above the specific embodiment of the present invention, does not form limiting the scope of the present invention.Various other that any technical conceive according to the present invention is made change and distortion accordingly, all should be included in the protection range of the claims in the present invention.
Claims (9)
1. an intelligent real-time multichannel optic-fiber monitoring system, is characterized in that, comprising:
Master control borad, connects monitoring host computer and OTDR module board, for receiving described monitoring host computer instruction and according to described instruction control OTDR module board;
OTDR module board, connects described master control borad and business board, for test light signal being imported business board and monitoring testing fiber circuit on described business board;
Business board, connects described OTDR module board and described testing fiber circuit;
Power panel, connects described master control borad, OTDR module board and business board, for powering to described master control borad, OTDR module board and business board.
2. a kind of intelligent real-time multichannel optic-fiber monitoring system as claimed in claim 1, is characterized in that, described master control borad is provided with LAN mouth, for connecting described monitoring host computer.
3. a kind of intelligent real-time multichannel optic-fiber monitoring system as claimed in claim 1, is characterized in that, the control unit model that described master control borad adopts is KSZ8695.
4. a kind of intelligent real-time multichannel optic-fiber monitoring system as claimed in claim 1, it is characterized in that, the parameter of monitoring described testing fiber circuit comprises one or more in refresh cycle, test wavelength, testing range, test pulsewidth, Measuring Time, group index, end thresholding and non-reflective thresholding.
5. a kind of intelligent real-time multichannel optic-fiber monitoring system as claimed in claim 1, is characterized in that, described business board is provided with WDM wavelength division multiplexing unit and fiber coupler, for described test light signal coupling is entered described testing fiber circuit.
6. an intelligent real-time multichannel fiber-optic monitoring method, is characterized in that, comprise the steps:
(A) by master control borad to OTDR module board sending controling instruction;
(B) test light signal is imported business board after receiving described control command by described OTDR module board;
(C) described test light signal coupling is entered testing fiber circuit and monitors by described business board.
7. a kind of intelligent real-time multichannel fiber-optic monitoring method as claimed in claim 5, is characterized in that, the control unit model that described master control borad adopts is KSZ8695.
8. a kind of intelligent real-time multichannel fiber-optic monitoring method as claimed in claim 5, it is characterized in that, the parameter of monitoring described testing fiber circuit comprises one or more in refresh cycle, test wavelength, testing range, test pulsewidth, Measuring Time, group index, end thresholding and non-reflective thresholding.
9. a kind of intelligent real-time multichannel fiber-optic monitoring method as claimed in claim 5, is characterized in that, described business board is provided with WDM wavelength division multiplexing unit and fiber coupler, for described test light signal coupling is entered described testing fiber circuit.
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| CN107371072A (en) * | 2017-08-01 | 2017-11-21 | 全球能源互联网研究院 | A kind of optical line terminal with many reference amounts on-line monitoring function |
| EP4239909A1 (en) * | 2022-03-04 | 2023-09-06 | Viavi Solutions Inc. | Apparatuses integrating separate wdm modules and otdr/switch modules |
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| CN104796192B (en) | 2018-01-16 |
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