CN113507315A - Fiber core situation awareness management method - Google Patents
Fiber core situation awareness management method Download PDFInfo
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- CN113507315A CN113507315A CN202110613084.6A CN202110613084A CN113507315A CN 113507315 A CN113507315 A CN 113507315A CN 202110613084 A CN202110613084 A CN 202110613084A CN 113507315 A CN113507315 A CN 113507315A
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- 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
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
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Abstract
The invention relates to a fiber core situation awareness management method which comprises an online monitoring platform, an intelligent optical cable management system, a cloud database and a mobile terminal, wherein the intelligent optical cable management system comprises a fiber core state awareness management module, a fiber core state awareness management module and a fiber core state awareness management module; the optical cable signal is detected in real time by means of an online monitoring platform, the monitoring equipment triggers an alarm signal when a fault is found, the actual position of the fault is quickly determined by a connected intelligent optical cable management system, fault point information is acquired by a cloud database for reference of rush-repair workers, a task list is generated and distributed to the rush-repair workers, the field maintenance workers are informed to quickly arrive at the field to process the fault, navigation service is provided for the maintenance workers, and the field is quickly arrived at the field according to the position of the fault point.
Description
Technical Field
The invention relates to the technical field of optical cable monitoring, in particular to a fiber core situation perception management method.
Background
With the deep development and rapid promotion of the smart power grid, the number of cables and power optical cables is rapidly increased, the service volume borne by the power communication optical cable network is larger and larger, and the complexity and the maintenance difficulty of the power optical cable are increased. The application of the cable and the power optical cable is also increasingly wide along with the urban construction, and once a fault occurs, the safety of a power grid and the safety of lives and properties of people are threatened directly. Therefore, most of the existing optical cables are used for transmitting information, and in order to ensure the safety of the optical cables, a device for monitoring the optical cables is further arranged.
But current device for managing and control optical cable still has some problems, in prior art, generally need install the protection tube underground, put into the optical cable toward the protection tube in again, but because the protection tube is located subaerial, and the soil in ground is more moist, and then can make the protection tube take place to rust or external and the protection tube bumps, and then lead to the damage of protection tube easily, and then cause the damage of the optical cable in the protection tube, and in case the optical cable is damaged, and then probably cause revealing of information or cause the unable timely transmission of information.
In recent years, external force damage caused by municipal construction excavation is a main cause of cable and optical cable faults, and in sudden faults, a traditional manual positioning mode lacks a real-time and accurate positioning means, so that rush repair time is seriously influenced, and safe and stable operation of a power grid communication system is influenced. Therefore, the prevention of external force damage caused by rough construction is a key point of operation and maintenance work of the cable and the power optical cable.
The properties of the vacant fiber core such as attenuation, dispersion and the like are not consistent with those of the optical cable, so that the service can not be recovered; the empty fiber core can be manually tested and the attenuation condition can be recorded only by a regular personnel inspection mode, and the empty period of two inspections still has great fiber core fault risks due to the huge fiber core volume.
The optical cable fiber core resource maintenance is mainly managed by means of manually updating tables, the accuracy of data can be affected by various factors, and the management difficulty of optical cable resources is high.
Disclosure of Invention
The invention provides a fiber core situation perception management method for overcoming the problems that information leakage caused by damage of a protection tube cannot be found in time and information cannot be transmitted in time in the prior art, the system gathers optical cable resource data, establishes a set of complete data analysis process with the data as a core, monitors and analyzes optical cable notice/early warning and the using condition of the optical cable in real time, collects and reflects quality data of physical characteristics on the optical cable uniformly, including attenuation, length, return loss, vibration early warning and the like, carries out multi-directional data collection and intelligent analysis through real-time analysis, curve comparison, artificial intelligence algorithm, expert experience library and the like, finally plays roles of operation and maintenance supervision, accurate judgment, early warning and prevention in advance, provides operation data support for optical network, and provides planning basis for later-stage optical cable construction, forming a complete closed data loop.
In order to achieve the purpose, the invention adopts the following technical scheme: a fiber core situation awareness management method comprises an online monitoring platform, an intelligent optical cable management system, a cloud database and a mobile terminal, wherein the online monitoring platform comprises an OTDR (optical time domain reflectometer), the intelligent optical cable management system comprises a control module, a mobile network, a positioning module, a data transmission server, an alarm module and a dispatching module, the mobile network is electrically connected with the control module, the data transmission server is connected with an OTDR signal, the mobile network is connected with the mobile terminal signal, the cloud database is connected with the mobile terminal signal, and the positioning module is used for providing optical cable detailed resource dynamic data for workers; the optical cable fault problem collected by the online monitoring platform is fed back to the system through the alarm module, a worker waits for the completion of an emergency repair task, and after the fault is eliminated, the online monitoring platform monitors to obtain a notice of whether normal connection is achieved and sends the notice to the system again; an order task is generated for the problem of the optical cable fault through an order sending module, and the order task is sent to emergency repair personnel through a system to receive an order; providing related routes of optical cable fault routes, pipe diameter sizes and pipe diameter construction lengths through a cloud database; receiving an optical cable fault repair task list distributed by a system through a mobile terminal; the optical cable signal is detected in real time by means of an online monitoring platform, the monitoring equipment triggers an alarm signal when a fault is found, the actual position of the fault is quickly determined by a connected intelligent optical cable management system, fault point information is acquired by a cloud database for reference of rush-repair workers, a task list is generated and distributed to the rush-repair workers, the field maintenance workers are informed to quickly arrive at the field to process the fault, navigation service is provided for the maintenance workers, and the field is quickly arrived at the field according to the position of the fault point.
Compared with the traditional management mode, the management efficiency and the utilization rate are improved remarkably, the labor maintenance cost of the optical fiber network is reduced, the fault recovery time is shortened, and the overall planning and the systematic management of transmission resources of each sub-site of the power distribution network are realized. Especially aiming at the special power industry, the optical cable situation perception analysis application system can greatly improve the safety and reliability of the optical fiber network, can quickly guide to repair faults when network faults occur, and greatly reduces the operation and maintenance cost of the optical fiber network and the loss caused by power transmission interruption in disaster weather.
Preferably, the online monitoring platform further includes an optical switch, a combiner, an optical line terminal, and an optical network device, the OTDR is electrically connected to the optical switch, an output end of the optical switch is connected to a rear-end interface of the combiner, an output end of the optical line terminal is connected to a front-end input interface of the combiner, a front-end output interface of the combiner is respectively connected to a plurality of optical splitters through a connection and distribution frame, the optical splitters are respectively connected to the optical network device, and the optical network device is configured to detect whether an optical cable signal is unobstructed and transmit a result back to the system.
Preferably, in the optical cable fault monitoring, the intelligent optical cable management system issues a test instruction and transmits the test instruction to the OTDR through a signal, the OTDR transmits a light source detection instruction to the optical switch, detects light sources of interfaces one by one under the optical switch, monitors wavelength power by the optical line terminal, and issues the wavelength power to the combiner, the combiner combines the optical signals with different wavelengths into one beam, and transmits the beam to each corresponding optical network device through the optical splitter at each optical cable laying position, and the optical network device transmits a test result of optical cable communication back to the intelligent optical cable management system. If the optical cable breaks down, the warning module sends out a fault request to be repaired, basic fault positions are transferred to maintenance personnel through each module in the intelligent optical cable management system, the condition of the optical cable during initial construction in the cloud database is sent to the maintenance personnel, and the maintenance personnel produce a plurality of routes according to the positioning module in the intelligent optical cable management system so that the maintenance personnel can go to a fault first-aid repair point to solve the problem.
Preferably, the optical network equipment comprises an open-close station, an electric room, a ring main unit, a transformer substation and an ONU.
Preferably, the mobile network includes a 2G network, a 3G network, a 4G network, a 5G network, a Wifi module, and a bluetooth module.
Preferably, the positioning module comprises any one of a GPS navigation module, a Beidou navigation module and a GIS map module.
Preferably, the mobile terminal comprises a smart phone or a notebook computer.
Therefore, the invention has the following beneficial effects:
1. the invention detects the optical cable signal in real time by depending on the on-line monitoring platform, and the monitoring equipment triggers an alarm signal when a fault is found;
2. monitoring and managing: by utilizing the automatic switching technology of the optical switch and the periodic test function, the regular inspection can be carried out on the used fiber core and the redundant fiber core of the optical cable so as to strengthen the supervision of the inspection work of the fiber core;
3. the positioning is accurate: the high-precision OTDR measurement technology is utilized, the Geographic Information System (GIS) and the satellite positioning (GPS) technology are combined, and data comparison analysis is carried out on positioning data and optical cable line resource management data in the system, so that the display precision of fault positioning is improved;
4. dynamic measurement: by utilizing a mature wavelength division multiplexing technology, test light and service light can be organically combined together, so that the quality change condition of a certain optical fiber link can be dynamically checked;
5. fault early warning: through data comparison and analysis of new and old measurement curves, hidden potential faults which are not yet caused by communication blocking can be found in time and accurate early warning is carried out, and the potential faults are maintained in time before the faults occur, so that the situation that the faults are in the bud can be really prevented;
6. multiple pushing: the system has functions of pushing the client alarm, pushing the mobile phone APP alarm and pushing the alarm short message besides the function of pushing the client alarm, so that a user cannot miss any alarm information;
7. a management platform constructed by providing technical means for timeliness, authenticity and convenience of line information updating;
8. the information platform is constructed by providing accurate and reliable data guarantee and scientific decision basis for optical cable line optimization and rectification.
Drawings
FIG. 1 is a block diagram of a core situational awareness management system in accordance with the present invention.
Fig. 2 is a schematic structural diagram of the online monitoring platform according to the present invention.
FIG. 3 is a block diagram of a core situational awareness management system with an added vibration awareness platform.
In the figure: 1. the system comprises an online monitoring platform 11, an OTDR 12, an optical switch 13 multiplexer 14, a distribution frame 15, an optical line interrupt 16, an optical splitter 17, an optical network device 2, an intelligent optical cable management system 21, a control module 22, a mobile network 23, a positioning module 24, a data transmission server 25, an alarm module 26, a list sending module 27, a vibration sensing platform 3, a cloud database 4 and a mobile terminal.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
The invention is realized by adopting a fiber core situation perception management system, as shown in fig. 1 and 2, the fiber core situation perception management system comprises an online monitoring platform 1, an intelligent optical cable management system 2, a cloud database 3 and a mobile terminal 4, wherein the online monitoring platform 1 comprises an OTDR11, the OTDR is an optical time domain reflectometer, and a U-Test 902 type, wavelength: 1650+/-10nm, pulse width (ns) of 3ns as minimum, 3 ns-20 us as many choices, and measuring range (km) of 1,2,5,10,20,50,100,200, which is used for detecting the fault of the optical fiber passive PON network. The intelligent optical cable management system 2 comprises a control module 21, a mobile network 22, a positioning module 23, a data transmission server 24, an alarm module 25 and an order dispatching module 26, wherein the mobile network 22 is electrically connected with the control module 21, the data transmission server 24 is in signal connection with the OTDR11, the mobile network 22 is in signal connection with a mobile terminal 4, and the cloud database 3 is in signal connection with the mobile terminal 4. The positioning module 24 is used for providing an actual position of the optical cable fault for workers;
the warning module 25 is used for feeding back the optical cable fault problem acquired by the online monitoring platform 1 to the system, waiting for the staff to complete the emergency repair task, monitoring through the online monitoring platform 1 after the fault is eliminated to obtain a notice of whether the connection is normal or not, and sending the notice to the system again; the order dispatching module 26 is used for generating order tasks for the problem of optical cable faults and dispatching the order tasks to emergency repair personnel through a system to receive orders, and the orders are similar to current take-out orders and are different in different information and different tasks of the industry; the cloud database 3 is used for providing related routes of optical cable fault routes, pipe diameter sizes and pipe diameter construction lengths; the mobile terminal 4 is used for receiving an optical cable fault repair task list distributed by the system. The specific process is as follows: rely on-line monitoring platform 1 to detect the optical cable signal in real time, monitoring facilities triggers alarm signal when discovering the trouble, confirm the trouble actual position fast and obtain the fault point information through cloud database 3 and for the personnel's reference of salvageing through the intelligent optical cable management system 2 of connection, generate the assignment of task list and give the personnel of salvageing, inform the field maintenance personnel to arrive the scene fast and handle the trouble, and provide navigation service for the maintenance personnel, arrive the scene fast according to the fault point position, improve the work efficiency of optical cable trouble salvage in-process, also make on-line monitoring platform 1 become high efficiency processing platform, serve in the optical cable monitoring field.
The on-line monitoring platform 1 further comprises an optical switch 12, a combiner 13, an optical line terminal 15 and an optical network device 17, the OTDR11 is electrically connected with the optical switch 12, an output end of the optical switch 12 is connected with a rear end interface of the combiner 13, an output end of the optical line terminal 15 is connected with a front end input interface of the combiner 13, a front end output interface of the combiner 13 is respectively connected with a plurality of optical splitters 16 through a connecting and distributing frame 14, and the optical splitters 16 are respectively connected with the optical network device 17. The optical switch 12 may be an FS series Optical Switch (OSW), such as FS-16 type or FS-4 type, which has crosstalk: 0dB, insertion loss: 0.2dB (typical value), switching speed: < 2 seconds. The optical line terminal 15, that is, the OLT device, is also called an optical power monitoring module, and its wavelength monitoring range: 1200 nm-1650 nm, power monitoring range: -65dBm to 0dBm, power resolution: less than or equal to 0.1dB, accuracy: ± 0.2dB, return loss: not less than 45 dB.
The optical network equipment 17 is any one of an open-close station, an electric room, a ring main unit, a transformer substation and an ONU (optical network unit), and the optical network equipment 17 is used for detecting whether an optical cable signal is smooth and transmitting the result back to the system; the mobile network 22 is any one of a 2G network, a 3G network, a 4G network, a 5G network, a Wifi module and a Bluetooth module; the positioning module 23 is any one of a GPS navigation module, a Beidou navigation module and a GIS map module, and is used for accurately positioning the fault position of the optical cable, so that the problem that the range is too large and much time is spent on searching fault points for rush repair is avoided; the mobile terminal 4 is any one of a smart phone and a notebook computer, and is convenient for field operation personnel and administrators to carry and check fault information.
In the optical cable fault monitoring, the intelligent optical cable management system 2 issues a test instruction and transmits the test instruction to the OTDR11 through a signal, the OTDR11 transmits a light source detection instruction to the optical switch 12, detects the light sources of the interfaces of the optical switch 12 one by one, monitors the wavelength power by the optical line terminal 15, and issues the wavelength power to the combiner 13 together, the combiner 13 combines the optical signals with different wavelengths into one beam, and transmits the beam to each corresponding optical network device 17 through the optical splitter 16 at each optical cable laying position, where the optical network device 17 is, for example: and the switching station transmits the test result of the optical cable communication back to the intelligent optical cable management system 2. If the optical cable breaks down, the warning module 25 sends out a fault request to be repaired, basic fault positions are transferred to maintenance personnel through all modules in the intelligent optical cable management system 2, the condition of the optical cable during initial construction in the cloud database 3 is sent to the maintenance personnel, and the maintenance personnel produce a plurality of routes according to the positioning module 23 in the intelligent optical cable management system 2 so that the maintenance personnel can go to a fault emergency repair point to solve the problem.
In the present invention, as shown in fig. 3, the present invention further includes a vibration sensing platform 27, the vibration sensing platform 27 is connected to the data transmission server 24 of the intelligent optical cable management system 2, the vibration sensing platform 27 includes a distributed optical fiber vibration sensing instrument, the vibration sensing platform 27 is different from the online monitoring platform 1 in that the distributed optical fiber vibration sensing instrument is adopted to replace OTDR11, and the others are the same. Rely on vibration perception platform 27 to detect the optical cable signal in real time, monitoring facilities triggers alarm signal when discovering the trouble, confirm the trouble actual position fast and obtain the fault point information through cloud database 3 through the intelligent optical cable management system 2 of connection for salvage personnel's reference, generate the assignment of task list and give salvage staff, inform on-the-spot maintainer to arrive the on-the-spot processing trouble fast, and provide navigation service for maintainer, arrive the scene fast according to the fault point position, improve the work efficiency of optical cable trouble salvage in-process.
The existing power distribution network generally adopts a passive PON network structure, is a one-to-multipoint network structure, improves the flexibility of distribution networks, but brings difficulty for operation and inspection work, and has various passive nodes in lines, so that the obstacle points can be positioned only by multi-person, multi-stage and multi-link investigation during maintenance of an optical fiber link. The optical cable management system 2 triggers OTDR11 to perform testing by reading alarm information in the network management of the optical line terminal 15, performs online testing on a service fiber core by using a 1650 wavelength which does not interfere with the service line, can penetrate through the passive optical splitter 16 in the line, detects the optical network equipment 17 at the tail end of the line, performs quick positioning on a fault point, saves troubleshooting time, and manages node information in the optical cable.
The whole system is designed by adopting a J2EE system architecture, has massive data storage and management capacity, and supports smooth upgrade of the capacity of a storage device. Meanwhile, a front-end and back-end separation mode is adopted for system design, a database adopts a design principle of database division and table division and a multiple encryption transmission technology, the reusability and expandability of various basic resources are emphasized, the integration and integration of the existing resource data and the monitoring data are realized, and new functions can be expanded on the basis of the integration and integration.
The invention provides a technical means for timeliness, authenticity and convenience of line information updating. And accurate and reliable data guarantee and scientific decision basis are provided for optical cable line optimization and rectification.
The above embodiments are described in detail for the purpose of further illustrating the present invention and should not be construed as limiting the scope of the present invention, and the skilled engineer can make insubstantial modifications and variations of the present invention based on the above disclosure.
Claims (7)
1. A fiber core situation awareness management method is characterized in that based on a fiber core situation awareness management system, the fiber core situation awareness management system comprises an online monitoring platform (1), an intelligent optical cable management system (2), a cloud database (3) and a mobile terminal (4), the online monitoring platform (1) comprises an OTDR (11), the intelligent optical cable management system (2) comprises a control module (21), a mobile network (22) electrically connected with the control module (21), a positioning module (23), a data transmission server (24), an alarm module (25) and a list dispatching module (26), the data transmission server (24) is in signal connection with the OTDR (11), the mobile network (22) is in signal connection with the mobile terminal (4), and the cloud database (3) is in signal connection with the mobile terminal (4); the positioning module (1) is used for providing optical cable detailed resource dynamic data for workers; the alarm module (25) is used for feeding back the optical cable fault problem acquired by the online monitoring platform (1) to the system, waiting for the completion of the rush-repair task of the working personnel, monitoring through the online monitoring platform (1) after the fault is eliminated to obtain a notice of whether the connection is normal or not and sending the notice to the intelligent optical cable management system (2) again; an order task is generated for the problem of the optical cable fault through an order dispatching module (26), and the order task is dispatched to emergency repair personnel through a system to receive orders; related routes of optical cable fault routes, pipe diameter sizes and pipe diameter construction lengths are provided through a cloud database (3); the mobile terminal (4) is used for receiving an optical cable fault repair task list distributed by the system; the optical cable signal is detected in real time by means of the online monitoring platform (1), the monitoring equipment triggers an alarm signal when a fault is found, the actual position of the fault is quickly determined through the connected intelligent optical cable management system (2), fault point information is acquired through the cloud database (3) to be referred by rush-repair personnel, a generated task list is distributed to the rush-repair personnel, the field maintenance personnel are informed to quickly arrive at the field to process the fault, navigation service is provided for the maintenance personnel, and the field is quickly arrived at the field according to the position of the fault point.
2. A fiber core situation awareness management method according to claim 1, wherein the online monitoring platform (1) further includes an optical switch (12), a combiner (13), an optical line terminal (15), and an optical network device (17), the OTDR (11) is electrically connected to the optical switch (12), an output end of the optical switch (12) is connected to a rear-end interface of the combiner (13), an output end of the optical line terminal (15) is connected to a front-end input interface of the combiner (13), a front-end output interface of the combiner (13) is respectively connected to a plurality of optical splitters (16) through distribution frames (14), the optical splitters (16) are respectively connected to the optical network device (17), and the optical network device (17) is configured to detect whether an optical cable signal is unobstructed and transmit a result back to the intelligent optical cable management system (2).
3. A fiber core situation awareness management method according to claim 2, wherein an intelligent optical cable management system (2) issues a test instruction and transmits the test instruction to an OTDR (11) through a signal, the OTDR (11) transmits a light source detection command to an optical switch (12), detects light sources of interfaces one by one under the optical switch (12), monitors wavelength power by an optical line terminal (15), and transmits the wavelength power to a combiner (13), the combiner (13) combines optical signals of different wavelengths into one beam, and transmits the beam to each corresponding optical network device (17) through an optical splitter (16) at each optical cable laying position, and the optical network device (17) transmits a test result of optical cable communication back to the intelligent optical cable management system (2); if the optical cable breaks down, a fault to-be-repaired request is sent by the alarm module (25), basic fault positions are sent to maintenance personnel through all modules in the intelligent optical cable management system (2), the condition of the optical cable during initial construction in the cloud database (3) is called, and the maintenance personnel produce multiple routes according to the positioning modules (23) in the intelligent optical cable management system (2) so that the maintenance personnel can go to a fault first-aid repair point to solve the problem.
4. A method as claimed in claim 2, wherein said optical network device (17) comprises a switching station, an electric room, a ring main unit, a substation, and an ONU.
5. A method as claimed in claim 2, wherein said mobile network (22) comprises a 2G network, a 3G network, a 4G network, a 5G network, a Wifi module, a bluetooth module.
6. The fiber core situation awareness management method according to claim 2, wherein the positioning module (23) comprises a GPS navigation module, a Beidou navigation module and a GIS map module.
7. The method for sensing and managing the fiber core situation as claimed in claim 2, wherein the mobile terminal (4) comprises a smart phone and a notebook computer.
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| CN202110613084.6A CN113507315A (en) | 2021-06-02 | 2021-06-02 | Fiber core situation awareness management method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7075536B1 (en) * | 2021-10-19 | 2022-05-25 | 国網新疆電力有限公司電力科学研究院 | Optical cable monitoring system with notification function |
| CN115201876A (en) * | 2022-06-09 | 2022-10-18 | 上海波汇科技有限公司 | Line creation system and method of optical fiber early warning system |
| CN115426036A (en) * | 2022-07-15 | 2022-12-02 | 卓信通信股份有限公司 | Intelligent optical fiber link disposal system and method |
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