CN118032281B - A communication optical cable operation status early warning system based on optical cable junction box - Google Patents
A communication optical cable operation status early warning system based on optical cable junction box Download PDFInfo
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- CN118032281B CN118032281B CN202410191815.6A CN202410191815A CN118032281B CN 118032281 B CN118032281 B CN 118032281B CN 202410191815 A CN202410191815 A CN 202410191815A CN 118032281 B CN118032281 B CN 118032281B
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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Abstract
The invention relates to the technical field of optical cable early warning, in particular to a communication optical cable running state early warning system based on an optical cable cross-connecting cabinet, which comprises a management module, wherein the management module sets the interval time for carrying out state detection on each detection item next according to the risk system of each detection item acquired by a risk analysis module, and carries out first verification detection and second verification detection respectively by detection modules at two ends of a control optical cable after the interval time is timed out, the verification module acquires the verification coefficients of detection sections according to the first verification detection and the second verification detection, and acquires a judging result according to the verification coefficients.
Description
Technical Field
The invention relates to the technical field of optical cable early warning, in particular to a communication optical cable running state early warning system based on an optical cable cross connecting cabinet.
Background
The communication optical cable running state early warning main application scene is to remind and warn the condition that the cable is subjected to external impact and the state of the cable is changed drastically, so that the cable is convenient to overhaul in time and is beneficial to avoiding larger danger.
The state of the optical cable is usually evaluated by adopting a regular detection mode in the prior optical cable early warning technology, such as the Chinese patent invention with publication number CN 107452177B, which comprises a detection optical fiber connected with an underground optical cable, an overhead optical cable, an optical cable well and an optical cable junction box, wherein an optical fiber stress detection unit, an optical fiber temperature detection unit and an optical fiber vibration detection unit are connected on the detection optical fiber, so that the stress and the pressure on the optical fiber in an optical path, the vibration near the optical fiber and the external invasion of the optical cable well and the optical cable junction box can be continuously detected in real time, and the communication optical cable safety early warning system for preventing the communication optical cable from being damaged is provided.
The problem is that the early warning mode is realized based on adjusting the detection time interval, false alarm is easy to occur under various conditions, for example, on one optical cable with more positions for reporting risks, the risk reporting at a certain position can be caused by other risk positions, the conventional early warning mode based on adjustment of the detection time interval cannot identify various unexpected situations, and in this regard, the invention provides the communication optical cable running state early warning system based on the optical cable cross connecting cabinet, which can reduce the number of false alarms in the optical cable early warning process and improve the early warning accuracy.
Disclosure of Invention
The invention aims to provide a communication optical cable running state early warning system based on an optical cable cross connecting cabinet, which solves the following technical problems:
How to reduce the false alarm times in the optical cable early warning process and improve the early warning accuracy.
The aim of the invention can be achieved by the following technical scheme:
An optical cable cross-connecting cabinet-based communication optical cable running state early warning system, comprising:
the system comprises a detection module, a risk analysis module, a management module, a verification module and an early warning module,
The detection module is arranged in the optical cable detection box and is used for periodically detecting the state of the optical cable connected with the detection module;
The risk analysis module is used for dividing the optical cable into a plurality of detection sections based on state detection, analyzing the optical cable, acquiring risk coefficients of all detection items of each detection section, wherein the risk coefficients of all detection items correspond to each other and comprise vibration detection risk coefficients, temperature detection risk coefficients and stress detection risk coefficients, acquiring the number and positions of detection sections with risks of the optical cable, and the risks refer to the risk coefficients of all detection items or the change amounts exceeding corresponding preset values;
the management module sets the interval time for carrying out state detection on each detection item next according to the risk coefficient of each detection item acquired by the risk analysis module, and carries out first verification detection and second verification detection on the detection modules at the two ends of the control optical cable respectively after the interval time is timed, wherein the first verification detection and the second verification detection are respectively initiated from the left end and the right end of the optical cable;
The verification module acquires verification coefficients of the detection section according to the first verification detection and the second verification detection, and acquires a judgment result according to the verification coefficients, wherein the judgment result comprises whether the current detection section is influenced by other detection sections with risks;
and the early warning module carries out early warning according to the judging result.
According to the technical scheme, under the condition that the optical cable divided into the detection sections reports that a certain detection section has risks, the verification process is performed, and the data reported by each detection section can be verified, so that whether the current detection section is affected by other detection sections with risks is judged, early warning can be performed better according to the judging result, the false alarm times are reduced, and the false alarm rate is effectively reduced.
As a further technical scheme of the invention, the process of acquiring the verification coefficient of the detection section comprises the following steps:
the cable has a total of m detection zones, for the ith detection zone,
By the formula:
Obtaining a verification coefficient Ve i, wherein n is the total number of state detection items, typically including vibration detection, temperature detection and stress detection, j e n, σ j is the correction coefficient of the jth detection item, the correction coefficient is a preset value and is related to the conduction loss rate of the optical fiber, Is the risk factor of the j-th test item acquired by the first verification test,Is the risk coefficient of the j-th detection item obtained by the second verification detection, and X 0 is a preset standard value.
As a further technical scheme of the invention, the process of acquiring the judging result comprises the following steps:
Comparing the verification coefficient Ve i of the i-th detection section with the corresponding comparison value V i;
if Ve i＞Vi, determining that the current detection section is affected by other detection sections with risks in the detection process;
If Ve i≤Vi, the determination result is that the current detection zone is not affected by other detection zones with risk in the detection process.
According to the technical scheme, the process of acquiring the verification coefficient and acquiring the judging result according to the verification coefficient is provided, the verification coefficient is acquired based on the first verification detection and the second verification detection in different detection directions, the larger the data difference between the first verification detection and the second verification detection is, the larger the verification coefficient is, the larger the influence of other detection sections with risks on the current detection section in the detection process is, therefore, the data acquisition judging result is realized, and the detection efficiency is improved.
As a further technical scheme of the invention, the acquisition process of the comparison value V i comprises the following steps:
by the formula:
Obtaining a comparison value V i, wherein L is the length of the optical fiber in the optical cable, d 1 is the distance between the first verification detection initiation position and the ith detection section, d 2 is the distance between the second verification detection initiation position and the ith detection section, P 1 is the input power of the optical fiber in the optical cable, P 2 is the output power of the optical fiber in the optical cable, and R is a preset conversion function, preferably a comparison table function.
As a further technical scheme of the invention, the early warning module carries out early warning according to the judging result, and the early warning process comprises the following steps:
on the ith detection zone;
If the judgment result is that the current detection section is not affected by other detection sections with risks in the detection process, judging whether to perform early warning according to the risk coefficient of each detection item generated by state detection;
If the judgment result is that the current detection section is influenced by other detection sections with risks in the detection process, selection coefficients of the first verification detection and the second verification detection are respectively obtained, the optimal detection direction of the ith detection section is selected from the first verification detection and the second verification detection through the selection coefficients, and whether early warning is performed or not is judged according to the risk coefficients of all detection items generated in the optimal detection direction.
The process for obtaining the selection coefficient comprises the following steps:
by the formula:
obtaining a selection coefficient Se k, wherein AndIs a preset first weight coefficient and a second weight coefficient, k takes values of 1 and 2, n 1 is a count value of a current detection section when all the detection sections with risks are reported along the detection direction of the first verification detection, n 2 is a count value of a current detection section when all the detection sections with risks are reported along the detection direction of the second verification detection,The number of detection sections with risk in the reporting process of n k is obtained, f is a preset normalization function, g 1 is a comparison table function inversely related to n k, and g 2 is a comparison table function inversely related to n k A look-up table function of negative correlation.
As a further technical scheme of the invention, the process of selecting the optimal detection direction comprises the following steps:
Comparing the Se 1 and Se 2 of the ith detection zone;
And selecting the detection direction corresponding to the one with the larger numerical value in Se 1 and Se 2 as the optimal detection direction.
According to the technical scheme, the acquisition process of the optimal detection direction is provided in the embodiment, namely, different optimal detection directions can be acquired for different detection sections, the state detection acquired by the optimal detection direction in two different detection directions is the smallest from the real situation, and if one detection direction is selected singly, false alarm is caused in part of the cases, so that the number of false alarm times can be reduced through screening of the optimal detection direction, and meanwhile false alarm missing is effectively avoided.
The detection module comprises an optical cable cross-connecting box state detection unit, wherein the optical cable cross-connecting box state detection unit is used for detecting the opening and closing state of a cabinet door of the optical cable cross-connecting box.
According to the further technical scheme, the state detection items comprise vibration detection, temperature detection and stress detection, each detection item has an independent detection period, and the detection period of the adjustment detection item is adjusted according to the risk coefficient obtained by the last detection.
The invention has the beneficial effects that:
(1) The invention can verify the data reported by each detection section, thereby judging whether the current detection section is affected by other detection sections with risks, and better early warning can be carried out according to the judgment result, the false alarm times are reduced, and the false alarm rate is effectively reduced.
(2) The verification coefficient is obtained based on the first verification detection and the second verification detection in different detection directions, and the larger the data difference between the first verification detection and the second verification detection is, the larger the verification coefficient is, which means that the influence of other detection sections with risks on the current detection section is larger in the detection process, thereby realizing the data acquisition judgment result and improving the detection efficiency.
(3) According to the invention, different optimal detection directions are obtained for different detection sections, the state detection carried out in the optimal detection directions has the smallest difference from the actual situation, and the number of false positives can be reduced by screening the optimal detection directions, and meanwhile, false negatives are effectively avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall composition of the modules of the present invention;
FIG. 2 is a schematic diagram showing the internal components of the detection module according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, in one embodiment, a communication optical cable operation state early warning system based on an optical cable cross-connecting box is provided, including:
the system comprises a detection module, a risk analysis module, a management module, a verification module and an early warning module,
The detection module is arranged in the optical cable detection box and is used for periodically detecting the state of the optical cable connected with the detection module, wherein the items for detecting the state comprise vibration detection, temperature detection and stress detection, and each detection item has an independent detection period;
The detection module actively emits light pulses by taking stress detection as an example, strain detection of sensing optical fibers is realized by utilizing the optical fiber Brillouin backscattering principle, vibration detection and temperature detection can be realized by utilizing similar principles, and detailed description is omitted, and as the light pulses are actively detected in a light pulse emitting mode, the light pulse emitting direction can influence the detection result;
The risk analysis module is used for dividing the optical cable into a plurality of detection sections based on state detection to analyze, acquiring risk coefficients of all detection items of each detection section, wherein the risk coefficients of all detection items correspond to each other, the risk coefficients of all detection items comprise vibration detection risk coefficients, temperature detection risk coefficients and stress detection risk coefficients, the number and the positions of detection sections with risks of the optical cable are acquired, the risks refer to the risk coefficients or the change amounts of all detection items exceeding corresponding preset values, in addition, the value of the risk coefficients of all detection items is preferably a numerical continuous section, and if the value of the risk coefficients is set to a natural number section, the more natural number numbers contained in the natural number section are, the better the final result is;
the management module sets the interval time for carrying out state detection on each detection item next according to the risk coefficient of each detection item acquired by the risk analysis module, and carries out first verification detection and second verification detection on the detection modules at the two ends of the control optical cable after the interval time is finished, wherein the first verification detection and the second verification detection are respectively initiated from the left end and the right end of the optical cable, the detection period of the detection item is adjusted according to the risk coefficient acquired by the last detection, namely, under the condition of reporting danger, the higher the risk coefficient corresponding to the detection item of the state detection is, the shorter the set interval time is;
The verification module acquires verification coefficients of the detection section according to the first verification detection and the second verification detection, and acquires a judgment result according to the verification coefficients, wherein the judgment result comprises whether the current detection section is influenced by other detection sections with risks;
And the early warning module carries out early warning according to the judging result.
In this embodiment, the verification process is provided under the condition that the optical cable divided into a plurality of detection sections reports that a plurality of detection sections have risks, so that the data reported by each detection section can be verified, thereby judging whether the current detection section is affected by other detection sections having risks, and according to the judgment result, early warning can be better performed, the number of false alarms is reduced, and the false alarm rate is effectively reduced.
The process of obtaining the verification coefficient of the detection section includes:
the cable has a total of m detection zones, for the ith detection zone,
By the formula:
Obtaining a verification coefficient Ve i, wherein n is the total number of state detection items, typically including vibration detection, temperature detection and stress detection, j e n, σ j is the correction coefficient of the jth detection item, the correction coefficient is a preset value and is related to the conduction loss rate of the optical fiber, Is the risk factor of the j-th test item acquired by the first verification test,Is the risk coefficient of the j-th detection item obtained by the second verification detection, and X 0 is a preset standard value.
The process for obtaining the judging result comprises the following steps:
Comparing the verification coefficient Ve i of the i-th detection section with the corresponding comparison value V i;
if Ve i＞Vi, determining that the current detection section is affected by other detection sections with risks in the detection process;
If Ve i≤Vi, the determination result is that the current detection zone is not affected by other detection zones with risk in the detection process.
In this embodiment, a process of acquiring a verification coefficient and acquiring a judgment result according to the verification coefficient is provided, the verification coefficient is acquired based on a first verification detection and a second verification detection in different detection directions, the larger the data difference between the first verification detection and the second verification detection is, the larger the verification coefficient is, which means that the influence of other detection sections with risks on the current detection section is larger in the detection process, thereby realizing the data acquisition judgment result and improving the detection efficiency.
The process for obtaining the comparison value V i comprises the following steps:
by the formula:
Obtaining a comparison value V i, wherein L is the length of the optical fiber in the optical cable, d 1 is the distance between the first verification detection initiation position and the ith detection section, d 2 is the distance between the second verification detection initiation position and the ith detection section, P 1 is the input power of the optical fiber in the optical cable, P 2 is the output power of the optical fiber in the optical cable, and R is a preset conversion function, preferably a comparison table function.
The early warning module is used for judging the result according to the judgment result the early warning process comprises the following steps:
on the ith detection zone;
If the judgment result is that the current detection section is not affected by other detection sections with risks in the detection process, judging whether to perform early warning according to the risk coefficient of each detection item generated by state detection;
If the judgment result is that the current detection section is affected by other detection sections with risks in the detection process, respectively acquiring selection coefficients of the first verification detection and the second verification detection, selecting the optimal detection direction of the ith detection section from the first verification detection and the second verification detection through the selection coefficients, and judging whether early warning is carried out according to the risk coefficients of all detection items generated in the optimal detection direction, namely that the selection of the optimal detection direction may need to be adjusted and optimized according to specific conditions.
The process of obtaining the selection coefficient comprises the following steps:
by the formula:
obtaining a selection coefficient Se k, wherein AndIs a preset first weight coefficient and a second weight coefficient, k takes values of 1 and 2, n 1 is a count value of a current detection section when all the detection sections with risks are reported along the detection direction of the first verification detection, n 2 is a count value of a current detection section when all the detection sections with risks are reported along the detection direction of the second verification detection,The number of detection sections with risk in the reporting process of n k is obtained, f is a preset normalization function, g 1 is a comparison table function inversely related to n k, and g 2 is a comparison table function inversely related to n k A look-up table function of negative correlation.
The process of selecting the optimal detection direction includes:
Comparing the Se 1 and Se 2 of the ith detection zone;
And selecting the detection direction corresponding to the one with the larger numerical value in Se 1 and Se 2 as the optimal detection direction.
In this embodiment, an obtaining process of an optimal detection direction is provided, that is, different optimal detection directions can be obtained for different detection sections, in two different detection directions, a result obtained by detecting a state in the optimal detection direction is the smallest difference from a real situation, if one detection direction is selected singly, false alarm is caused in some cases, so that the number of false alarm times can be reduced through screening of the optimal detection direction, and meanwhile false alarm is effectively avoided.
The detection module comprises an optical cable cross-connecting box state detection unit, wherein the optical cable cross-connecting box state detection unit is used for detecting the opening and closing states of cabinet doors of the optical cable cross-connecting box, and the optical cable cross-connecting box state detection unit is generally composed of a sensor, a signal processor and a connector. The module is arranged inside the optical cable cross connecting cabinet, and the opening and closing actions of the cabinet door are monitored through the sensor.
When the cabinet door of the optical cable cross-connecting cabinet is opened or closed, the sensor can detect corresponding state changes and transmit signals to the signal processor. The signal processor processes and interprets the sensor signals and then communicates the results to other systems or devices, such as a monitoring system or alarm device. Through the optical cable distributing box state detecting element, can realize the real-time supervision and the control to the distributing box cabinet door state. The safety and reliability of the optical cable cross connecting cabinet can be ensured. In addition, the optical cable cross-connecting box state detection unit can be integrated with other equipment or systems so as to realize automatic control or remote monitoring functions. For example, it can be integrated with a monitoring system in order to send an alarm or trigger a corresponding emergency measure in the case of an abnormal state of the cabinet door.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
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| JP5769163B2 (en) * | 2010-05-13 | 2015-08-26 | 株式会社ユピテル | Alarm device |
| CN111464978A (en) * | 2019-01-22 | 2020-07-28 | 岳秀兰 | Vehicle remote driving system established by connection of primary wireless equipment and secondary wireless equipment through Internet of things |
| CN110912605B (en) * | 2019-11-11 | 2022-01-25 | 中国人民解放军海军工程大学 | Safety monitoring and early warning device and method for optical cable or photoelectric composite cable |
| EP3888606B1 (en) * | 2020-04-03 | 2022-05-04 | Ontex BV | Smart absorbent articles and systems |
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| CN112134615B (en) * | 2020-09-22 | 2021-08-24 | 上海欣诺通信技术股份有限公司 | Monitoring system, method, terminal and readable storage medium based on optical fiber link |
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| KR102429359B1 (en) * | 2021-07-06 | 2022-08-04 | 대평엔지니어링(주) | Main distrubution frame, mdf |
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| CN107702818A (en) * | 2017-08-23 | 2018-02-16 | 国网福建省电力有限公司 | Submarine cable temperature monitoring system |
| CN209387245U (en) * | 2018-12-29 | 2019-09-13 | 无锡联河光子技术有限公司 | A kind of submarine optical fiber cable fault positioning monitoring device |
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