CN114362817A - Automatic operation and maintenance system for closed-loop automatic optical cable line - Google Patents
Automatic operation and maintenance system for closed-loop automatic optical cable line Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000004458 analytical method Methods 0.000 claims abstract description 7
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- 239000000835 fiber Substances 0.000 claims description 10
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Abstract
The invention discloses a closed-loop automatic optical cable line automatic operation and maintenance system, which comprises: the parameter acquisition module is used for acquiring optical cable attenuation and temperature data and sending the data to the data analysis module; the data analysis module is used for constructing a neural network model, analyzing and predicting real-time attenuation and temperature data through the constructed neural network model, and sending a prediction result to the early warning module; the early warning module is used for carrying out early warning judgment according to the analysis and prediction result and sending a maintenance instruction to the operation and maintenance module when the optical cable is judged to reach the maintenance standard; and the operation and maintenance module is used for maintaining the early warning position of the optical cable according to the maintenance instruction sent by the early warning module. The invention monitors the running state of the optical cable in real time, controls and starts the maintenance of the optical cable when monitoring abnormality, and continuously monitors the state of the optical cable after maintenance, thereby realizing the automatic closed-loop system of optical cable monitoring and optical cable operation and maintenance.
Description
Technical Field
The invention relates to the technical field of operation and maintenance of optical cable lines, in particular to a closed-loop automatic operation and maintenance system for an optical cable line.
Background
In recent years, the scale of an optical fiber communication network is continuously enlarged, the transmission rate is continuously improved, but the operation and maintenance management level of an optical cable lags behind the development level of the optical fiber communication network, the maintenance and management problems are increasingly highlighted, in addition, the frequency of optical cable faults is continuously increased due to external force damage such as municipal construction and accidents such as lightning stroke or tower collapse, and the normal operation of the optical fiber communication network is influenced. Therefore, the method is of great importance for monitoring and managing the optical cable path by a scientific and efficient means, monitoring the degradation condition of the fiber core index of the optical cable in real time, forecasting the fault hidden danger of the optical cable in advance, maintaining the optical cable in time and reducing the fault rate of the optical cable.
Through retrieval, the special benefit of China with publication number CN107844569A in 2018, 3 and 27 discloses an optical cable three-dimensional operation and maintenance system, which comprises a data storage unit, an application display unit, a geographic information acquisition unit and an equipment operation and maintenance management unit; the data storage unit is connected with the application display unit, the geographic information acquisition unit and the equipment operation and maintenance management unit, and stores satellite map data, tower and optical cable line geographic information, tower and optical cable three-dimensional model data and various attribute information of the optical cable and the tower; the application display unit is used for displaying three-dimensional graphs of optical cable lines, towers and terrain; the geographic information acquisition unit acquires geographic information of the optical cable line and the tower; the equipment operation and maintenance management unit manages and maintains the optical cable operation data, and displays the optical cable data collected on site according to the tree menu. The application of the patent mainly solves the problem that the working efficiency of optical cable operation and maintenance personnel is low, and does not form closed-loop control of optical cable fault monitoring and operation and maintenance.
China special for 2017, 1 month and 11 days discloses an optical cable fiber core real-time monitoring system with a publication number of CN106330298A, which comprises an idle fiber core monitoring unit arranged at an optical cable to be monitored, an on-line monitoring unit arranged at the optical cable to be monitored and a transmission alarm linkage monitoring unit connected with an optical transmission equipment network management system; the type of the generated fault is determined by acquiring the fault monitoring information of the three units, and the accurate position of the fault is determined by matching with a GIS geographic information module. The patent application is mainly used for monitoring the optical cable, and does not consider the problem of how to maintain the optical cable after the optical cable is monitored to be in a fault state.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a closed-loop automatic optical cable line automatic operation and maintenance system, which monitors the operation state of an optical cable in real time, controls and starts optical cable maintenance when monitoring abnormality, and continuously monitors the optical cable state after maintenance, thereby realizing the automatic closed-loop system for optical cable monitoring and optical cable operation and maintenance.
The invention is realized by the following technical scheme:
automatic fortune dimension system of automatic optical cable line of closed loop includes:
the parameter acquisition module is used for acquiring optical cable attenuation and temperature data and sending the data to the data analysis module;
the data analysis module is used for constructing a neural network model, analyzing and predicting real-time attenuation and temperature data through the constructed neural network model, and sending a prediction result to the early warning module;
the early warning module is used for carrying out early warning judgment according to the analysis and prediction result and sending a maintenance instruction to the operation and maintenance module when the optical cable is judged to reach the maintenance standard;
and the operation and maintenance module is used for maintaining the early warning position of the optical cable according to the maintenance instruction sent by the early warning module.
According to the technical scheme, the attenuation and temperature data of the optical cable are acquired through the parameter acquisition module and are sent to the data analysis module, the data analysis module analyzes and predicts the acquired attenuation and temperature data of the optical cable to obtain a predicted attenuation-temperature curve of the optical cable, the early warning module carries out early warning judgment and display on the predicted attenuation-temperature curve of the optical cable, a maintenance instruction is sent to the operation and maintenance module when maintenance is needed, and finally the optical cable is maintained through the operation and maintenance module, so that closed-loop automatic operation and maintenance of an optical cable line are achieved, full closed-loop management of optical cable monitoring and optical cable operation and maintenance is achieved, and reliability and effectiveness of optical cable operation and maintenance management are improved.
As a further technical solution, the data acquisition module includes an OTDR module and a temperature acquisition module, and the OTDR module and the temperature acquisition module are respectively connected to the data analysis module in a wired or wireless manner.
As a further technical solution, the temperature acquisition module includes a temperature sensor, and the temperature sensor is arranged on the optical cable line at a preset distance.
As a further technical solution, the data analysis module building the neural network model further includes: acquiring historical data of optical cable attenuation and temperature, preprocessing the data, constructing a training set based on the preprocessed data, and training a neural network model by using the constructed training set; and acquiring new optical cable attenuation and temperature data, and verifying the trained neural network model by using the new optical cable attenuation and temperature data to obtain a final neural network model.
As a further technical solution, the early warning module further includes: acquiring an optical cable attenuation-temperature curve in at least one month under the normal operation state of the optical cable and taking the optical cable attenuation-temperature curve as a reference operation curve; and comparing the optical cable attenuation-temperature curve predicted by the data analysis module with the reference operation curve to judge the current operation state of the optical cable.
As a further technical solution, the current operating state of the optical cable is displayed in a digital form: if the display is green, the optical cable is normal in current operation; if the display is yellow, the abnormality of a certain current position of the optical cable is shown, and a list to be maintained needs to be listed; if the display is red, the condition that more than two positions of the optical cable are abnormal or at least one position of the optical cable has a fault is indicated, and maintenance treatment is needed.
As a further technical scheme, the early warning module further comprises a display screen for displaying real-time operation data, historical operation data and the current operation state of the optical cable of the system.
As a further technical solution, the data analysis module further includes a storage unit, which is used for storing data in data monitoring, early warning judgment and fault maintenance in a classified manner.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the attenuation and temperature data of the optical cable are acquired by the parameter acquisition module and are sent to the data analysis module, the data analysis module is used for carrying out analysis and prediction according to the acquired attenuation and temperature data of the optical cable to obtain a predicted attenuation-temperature curve of the optical cable, the early warning module is used for carrying out early warning judgment and display on the predicted attenuation-temperature curve of the optical cable, a maintenance instruction is sent to the operation and maintenance module when maintenance is needed, and finally the optical cable is maintained by the operation and maintenance module, so that the closed-loop automatic operation and maintenance of an optical cable line is realized, the full closed-loop management of optical cable monitoring and optical cable operation and maintenance is realized, and the reliability and effectiveness of the operation and maintenance management of the optical cable are improved.
Drawings
Fig. 1 is a schematic diagram of a closed-loop automated fiber optic line automated operation and maintenance system according to an embodiment of the invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The invention provides a closed-loop automatic optical cable line automatic operation and maintenance system, which comprises a parameter acquisition module, a data analysis module, an early warning module and an operation and maintenance module, as shown in figure 1.
And the parameter acquisition module comprises an OTDR module and a temperature acquisition module, and the OTDR module and the temperature acquisition module are respectively connected with the data analysis module in a wired or wireless mode. The temperature acquisition module comprises a temperature sensor, and the temperature sensor is arranged on the optical cable line at a preset distance.
In consideration of actual situations, the OTDR module may be disposed in a maintenance station, and a data transfer device, such as a communication device, may be disposed in the maintenance station, and configured to send data of the OTDR module to an industrial personal computer or other data processing terminal devices.
The number of the temperature sensors is more than that of the OTDR modules, and the size of the temperature sensors is small, so that the existing wireless temperature sensors can be wirelessly connected with the data analysis module.
And the data analysis module is used for constructing a neural network model, analyzing and predicting real-time attenuation and temperature data through the constructed neural network model, and sending a prediction result to the early warning module.
The data analysis module building a neural network model further comprises: acquiring historical data of optical cable attenuation and temperature, preprocessing the data, constructing a training set based on the preprocessed data, and training a neural network model by using the constructed training set; and acquiring new optical cable attenuation and temperature data, and verifying the trained neural network model by using the new optical cable attenuation and temperature data to obtain a final neural network model.
The data analysis module can be realized by a computer, an industrial personal computer or other terminal equipment capable of realizing data processing, storage and analysis functions.
The data analysis module also comprises a storage unit which is used for classified storage of data in data monitoring, early warning judgment and fault maintenance.
And the early warning module is used for carrying out early warning judgment according to the analysis and prediction result and sending a maintenance instruction to the operation and maintenance module when the optical cable is judged to reach the maintenance standard.
The early warning module further comprises: acquiring an optical cable attenuation-temperature curve in at least one month under the normal operation state of the optical cable and taking the optical cable attenuation-temperature curve as a reference operation curve; and comparing the optical cable attenuation-temperature curve predicted by the data analysis module with the reference operation curve to judge the current operation state of the optical cable.
The current operating state of the optical cable is displayed in a digital form: if the display is green, the optical cable is normal in current operation; if the display is yellow, the abnormality of a certain current position of the optical cable is shown, and a list to be maintained needs to be listed; if the display is red, the condition that more than two positions of the optical cable are abnormal or at least one position of the optical cable has a fault is indicated, and maintenance treatment is needed.
The early warning module also comprises a display screen for displaying the real-time operation data, the historical operation data and the current operation state of the optical cable of the system.
And the operation and maintenance module is used for maintaining the early warning position of the optical cable according to the maintenance instruction sent by the early warning module.
The operation and maintenance module can be arranged in the monitoring center, the monitoring center sends the maintenance instruction to each maintenance site, or the operation and maintenance module can be arranged in the maintenance sites and transmits the maintenance instruction in a short message reminding and/or voice broadcasting mode.
According to the invention, the attenuation and temperature data of the optical cable are acquired by the parameter acquisition module and are sent to the data analysis module, the data analysis module is used for carrying out analysis and prediction according to the acquired attenuation and temperature data of the optical cable to obtain a predicted attenuation-temperature curve of the optical cable, the early warning module is used for carrying out early warning judgment and display on the predicted attenuation-temperature curve of the optical cable, a maintenance instruction is sent to the operation and maintenance module when maintenance is needed, and finally the optical cable is maintained by the operation and maintenance module, so that the closed-loop automatic operation and maintenance of an optical cable line is realized, the full closed-loop management of optical cable monitoring and optical cable operation and maintenance is realized, and the reliability and effectiveness of the operation and maintenance management of the optical cable are improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.
Claims (8)
1. Automatic fortune dimension system of automatic optical cable line of closed loop, its characterized in that includes:
the parameter acquisition module is used for acquiring optical cable attenuation and temperature data and sending the data to the data analysis module;
the data analysis module is used for constructing a neural network model, analyzing and predicting real-time attenuation and temperature data through the constructed neural network model, and sending a prediction result to the early warning module;
the early warning module is used for carrying out early warning judgment according to the analysis and prediction result and sending a maintenance instruction to the operation and maintenance module when the optical cable is judged to reach the maintenance standard;
and the operation and maintenance module is used for maintaining the early warning position of the optical cable according to the maintenance instruction sent by the early warning module.
2. The closed-loop automated optical cable line automatic operation and maintenance system according to claim 1, wherein the data acquisition module comprises an OTDR module and a temperature acquisition module, and the OTDR module and the temperature acquisition module are respectively connected to the data analysis module in a wired or wireless manner.
3. The closed-loop automated fiber optic line auto-maintenance system of claim 2, wherein the temperature acquisition module comprises a temperature sensor disposed on the fiber optic line at a predetermined distance.
4. The closed-loop automated fiber optic line automatic operation and maintenance system of claim 1, wherein the data analysis module building a neural network model further comprises: acquiring historical data of optical cable attenuation and temperature, preprocessing the data, constructing a training set based on the preprocessed data, and training a neural network model by using the constructed training set; and acquiring new optical cable attenuation and temperature data, and verifying the trained neural network model by using the new optical cable attenuation and temperature data to obtain a final neural network model.
5. The closed-loop automated fiber optic line automatic operation and maintenance system of claim 1, wherein the early warning module further comprises: acquiring an optical cable attenuation-temperature curve in at least one month under the normal operation state of the optical cable and taking the optical cable attenuation-temperature curve as a reference operation curve; and comparing the optical cable attenuation-temperature curve predicted by the data analysis module with the reference operation curve to judge the current operation state of the optical cable.
6. The closed-loop automated fiber optic cable line automation maintenance system of claim 5, wherein the current operational status of the fiber optic cable is displayed in numerical form: if the display is green, the optical cable is normal in current operation; if the display is yellow, the abnormality of a certain current position of the optical cable is shown, and a list to be maintained needs to be listed; if the display is red, the condition that more than two positions of the optical cable are abnormal or at least one position of the optical cable has a fault is indicated, and maintenance treatment is needed.
7. The closed-loop automated optical cable line automatic operation and maintenance system according to claim 5 or 6, wherein the early warning module further comprises a display screen for displaying real-time operation data, historical operation data of the system and the current operation state of the optical cable.
8. The closed-loop automated optical cable line automatic operation and maintenance system according to claim 1, wherein the data analysis module further comprises a storage unit for storing data in data monitoring, early warning judgment and fault maintenance in a classified manner.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114759978A (en) * | 2022-04-20 | 2022-07-15 | 中国电信股份有限公司 | Optical cable maintenance method, device and system |
| CN114994454A (en) * | 2022-05-11 | 2022-09-02 | 长春理工大学 | OPGW optical cable full-state detection analysis method and system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004264090A (en) * | 2003-02-28 | 2004-09-24 | Chugoku Electric Power Co Inc:The | Method and apparatus for estimating temperature of conductor of power cable and program |
| CN109067456A (en) * | 2018-08-13 | 2018-12-21 | 国网内蒙古东部电力有限公司 | The early warning of optical fiber property attenuation and compensation system under a kind of extremely cold weather |
| CN109687905A (en) * | 2019-01-24 | 2019-04-26 | 国网上海市电力公司 | A kind of intelligent substation communication link abnormal state detection system |
| RU2729173C1 (en) * | 2019-11-28 | 2020-08-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Method of assessing the technical state of a cable line |
| CN112016835A (en) * | 2020-08-31 | 2020-12-01 | 广东电网有限责任公司广州供电局 | Power distribution network cable line monitoring method, computer equipment and storage medium |
| CN112036610A (en) * | 2020-08-11 | 2020-12-04 | 广州番禺电缆集团有限公司 | Intelligent cable early warning platform and early warning method based on big data analysis |
| CN112132256A (en) * | 2020-08-05 | 2020-12-25 | 芯华创(武汉)光电科技有限公司 | Raman distributed temperature sensing method and system based on neural network |
| CN112348262A (en) * | 2020-11-10 | 2021-02-09 | 国网上海市电力公司 | Power cable operation safety early warning method |
| CN113093634A (en) * | 2021-02-23 | 2021-07-09 | 深圳云鑫技术有限公司 | Fault alarm monitoring system of optical fiber communication pipeline |
| CN113141208A (en) * | 2020-01-19 | 2021-07-20 | 烽火通信科技股份有限公司 | Method and system for realizing optical channel path health degree evaluation and fault positioning |
-
2021
- 2021-12-14 CN CN202111524897.4A patent/CN114362817A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004264090A (en) * | 2003-02-28 | 2004-09-24 | Chugoku Electric Power Co Inc:The | Method and apparatus for estimating temperature of conductor of power cable and program |
| CN109067456A (en) * | 2018-08-13 | 2018-12-21 | 国网内蒙古东部电力有限公司 | The early warning of optical fiber property attenuation and compensation system under a kind of extremely cold weather |
| CN109687905A (en) * | 2019-01-24 | 2019-04-26 | 国网上海市电力公司 | A kind of intelligent substation communication link abnormal state detection system |
| RU2729173C1 (en) * | 2019-11-28 | 2020-08-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Method of assessing the technical state of a cable line |
| CN113141208A (en) * | 2020-01-19 | 2021-07-20 | 烽火通信科技股份有限公司 | Method and system for realizing optical channel path health degree evaluation and fault positioning |
| CN112132256A (en) * | 2020-08-05 | 2020-12-25 | 芯华创(武汉)光电科技有限公司 | Raman distributed temperature sensing method and system based on neural network |
| CN112036610A (en) * | 2020-08-11 | 2020-12-04 | 广州番禺电缆集团有限公司 | Intelligent cable early warning platform and early warning method based on big data analysis |
| CN112016835A (en) * | 2020-08-31 | 2020-12-01 | 广东电网有限责任公司广州供电局 | Power distribution network cable line monitoring method, computer equipment and storage medium |
| CN112348262A (en) * | 2020-11-10 | 2021-02-09 | 国网上海市电力公司 | Power cable operation safety early warning method |
| CN113093634A (en) * | 2021-02-23 | 2021-07-09 | 深圳云鑫技术有限公司 | Fault alarm monitoring system of optical fiber communication pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 张景杰;: "基于分布式光纤的电缆温度检测系统", 电子质量, no. 10 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114759978A (en) * | 2022-04-20 | 2022-07-15 | 中国电信股份有限公司 | Optical cable maintenance method, device and system |
| CN114994454A (en) * | 2022-05-11 | 2022-09-02 | 长春理工大学 | OPGW optical cable full-state detection analysis method and system |
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