CN112134615B - Monitoring system, method, terminal and readable storage medium based on optical fiber link - Google Patents
Monitoring system, method, terminal and readable storage medium based on optical fiber link Download PDFInfo
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- CN112134615B CN112134615B CN202010998675.5A CN202010998675A CN112134615B CN 112134615 B CN112134615 B CN 112134615B CN 202010998675 A CN202010998675 A CN 202010998675A CN 112134615 B CN112134615 B CN 112134615B
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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
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
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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
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0791—Fault location on the transmission path
Abstract
The invention relates to the technical field of signal transmission, in particular to a monitoring system, a method, a terminal and a readable storage medium based on an optical fiber link, wherein the monitoring system based on the optical fiber link comprises a collecting unit, a monitoring unit and a monitoring unit, wherein the collecting unit is connected with a sensing optical fiber and is used for collecting optical pulse signals and/or optical sensing signals and forming collected data output according to the optical pulse signals and/or the optical sensing signals; the service unit is used for receiving the acquired data, analyzing and processing the acquired data to form an acquired signal, and comparing and processing the acquired signal and the standard signal to form a comparison result to be output.
Description
Technical Field
The present invention relates to the field of signal transmission technologies, and in particular, to a monitoring system, a monitoring method, a monitoring terminal, and a readable storage medium based on an optical fiber link.
Background
Optical fiber communication technology stands out from optical communication, becomes an important support for modern communication, and plays a very important role in modern telecommunication networks. The optical fiber is used as a transmission medium of the technology, is widely deployed on a backbone network and a metropolitan area network, and constantly carries transmission and interaction of mass data. Besides the advantages of large communication capacity, long communication distance, strong anti-interference capability and the like, the optical fiber communication also has the defects of fragile texture and poor mechanical strength. Once the fiber is accidentally damaged, the resulting loss is immeasurable. The optical link performance monitoring is mainly applied to the OTDR technology at present, and the technology is widely applied to the construction, the opening and the maintenance of a backbone optical cable network and is mainly used for the optical performance testing of optical cables and the accurate positioning of fault points. The manual instrument-carrying test method cannot measure the link quality of a plurality of optical fibers at one time, if the state of a certain fiber is detected, an instrument is required to be manually used for measuring the optical cable section, the personnel participation degree is high, the operation is time-consuming and labor-consuming, and the end-to-end quality conditions of all links are difficult to quickly know. Meanwhile, the measurement method is difficult to perform coverage test on all optical links of the whole network, the long-term test result of the measurement equipment is changed along with the reduction of the actual service life of the measurement equipment, the measurement parameters need to be adjusted regularly, the use efficiency is low, and the method is only suitable for the condition that the function of the optical cable network management system is incomplete.
Disclosure of Invention
In view of the technical deficiencies, the present invention provides a monitoring system based on an optical fiber link, wherein: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the acquisition unit is connected with a sensing optical fiber and used for acquiring an optical pulse signal and/or an optical sensing signal and forming acquisition data output according to the optical pulse signal and/or the optical sensing signal;
the service unit is used for receiving the acquired data, analyzing and processing the acquired data to form an acquired signal, and comparing and processing the acquired signal and the standard signal to form a comparison result to be output.
Preferably, the monitoring system based on the optical fiber link is provided, wherein: the acquisition unit includes:
the vibration detection module is connected with the sensing optical fiber and used for performing vibration monitoring on the fiber core of the accessed sensing optical fiber and uploading monitoring data;
the optical switch module is used for being respectively connected with the vibration detection module and the sensing optical fiber and controlling the working state between the sensing optical fiber and the vibration detection module;
and the control module is respectively connected with the optical switch module and the vibration detection module and used for outputting control signals for controlling the vibration detection module and the optical switch module.
Preferably, in the monitoring system based on the optical fiber link, the acquisition unit is disposed at any end of the sensing optical fiber.
Preferably, the monitoring system based on the optical fiber link further includes a communication unit, connected to the service unit, and configured to receive the comparison result and transmit the comparison result to a management end, where the management end determines a current working state of the sensing optical fiber according to the comparison result.
In another aspect, the present invention provides a monitoring method based on an optical fiber link, including,
receiving the current working state parameter of each feature point in an activation state, and judging whether the current working state parameter is abnormal or not according to a preset standard working state;
under the abnormal state of the characteristic points, acquiring a preset weight coefficient of the current characteristic point according to each characteristic point;
calculating the utilization rate of each feature point according to the weight coefficient of the feature point and the connection state of the feature point;
and setting an alarm mode of each feature point according to the utilization rate.
Preferably, in the above monitoring method based on an optical fiber link, the utilization rate of each feature point is calculated according to the weight coefficient of the feature point and the connection state of the feature point; the method specifically comprises the following steps:
acquiring direct association parameters of each feature point to form first-class protection parameters;
acquiring indirect association parameters of each feature point to form second-class protection parameters;
calculating to form a residual idle capacity according to the first type protection parameters and the second type protection parameters;
and calculating the utilization rate of each feature node according to the residual free capacity and the total amount.
Preferably, in the above monitoring method based on an optical fiber link, the remaining free capacity is calculated and formed according to the first protection parameter and the second protection parameter, where the first protection parameter at least includes: the number of directly connected protection channels and the weight value of each directly connected link, wherein the second type of protection parameters at least comprise the number of indirectly connected protection channels; a weight value of each link that is indirectly connected;
the method for calculating the residual free capacity comprises the following steps:
s: the number of all links;
an: the number of adjacent protection paths;
bn: the weight value of each adjacent link;
cn: the number of indirect protection paths;
dn: indirectly passing the weight value of each link;
Athe residue is left: the residual capacity of the link where the characteristic point is located;
Ageneral assembly: total capacity of the link system.
Preferably, the above monitoring method based on an optical fiber link, wherein setting the alarm mode of each feature point according to the utilization ratio specifically includes:
when the utilization rate of the feature points reaches 80%, the alarm mode is to send out an early warning;
and when the utilization rate of the characteristic point reaches 90%, the alarm mode is to send out secondary early warning and start a standby preferred link.
In another aspect, the present invention provides a terminal, wherein the terminal includes:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement a method for fiber link based monitoring as described in any of the above.
Finally, the present invention further provides a computer-readable storage medium, on which a computer program is stored, wherein the program, when executed by a processor, implements any one of the above-mentioned monitoring methods based on an optical fiber link.
Compared with the prior art, the invention has the advantages that:
in the practical application process, only monitoring equipment needs to be arranged at one geographical position, single-end testing is carried out, and no construction is carried out at other ends; the other vibration detection module can detect that the range is as far as 100km, fiber cores of different ports are subjected to rapid polling detection, when an abnormal event occurs in the optical cable, the polling detection module can immediately detect vibration caused by the abnormal event and determine the position of the abnormal point; and the intrusion event is accurately positioned, and the positioning accuracy can be as low as 1 meter. Construction, touch and environment interference intelligent identification, wherein a network management system dynamically evaluates the influence on a line from a plurality of modes according to field vibration data and historical environment background big data and the change characteristics of vibration signals and effectively pre-warns the line so as to prevent missed alarm and virtual alarm; the vibration detection module adopts optical fibers as a passive detector, the whole sensing optical cable is non-energized except that a host needs to be powered, the lightning interference can be effectively avoided, the vibration detection module is particularly suitable for vibration monitoring in places such as inflammable and explosive places, strong electromagnetic interference places and the like, the position or the area of an incident is rapidly positioned, and the non-contact monitoring technology and the false alarm phenomenon caused by the non-contact monitoring technology are effectively solved.
Drawings
Fig. 1 is a schematic structural diagram of a monitoring system based on an optical fiber link according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a monitoring method based on an optical fiber link according to an embodiment of the present invention;
fig. 3 is a schematic monitoring diagram in a monitoring method based on an optical fiber link according to an embodiment of the present invention;
fig. 4 is a schematic link diagram in a monitoring method based on an optical fiber link according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
As shown in fig. 1, the present invention provides a monitoring system based on an optical fiber link, wherein: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the acquisition unit is connected with a sensing optical fiber and used for acquiring an optical pulse signal and/or an optical sensing signal and forming acquisition data output according to the optical pulse signal and/or the optical sensing signal;
the service unit is used for receiving the acquired data, analyzing and processing the acquired data to form an acquired signal, and comparing and processing the acquired signal and the standard signal to form a comparison result to be output. The service unit comprises a processing device and a management system.
In practical application, the acquisition unit is connected with the distribution frame through the spare optical fiber, and an optical cable is connected between the two distribution frames. The other ends of the distribution frames are respectively connected with respective communication equipment. The communication devices may be located in different geographical locations.
The management system comprises an electronic map topology management module, an electronic map configuration module, a resource management module, a test and analysis module, an alarm processing module, a report statistics module and a system management module, and preferably further comprises an external interface management module.
In the electronic map topology management, the trend of the optical cable or pipe network route, the station, the landmark point through which the optical cable passes and the fault point are displayed on a map. The map can display all optical cables and current vibration states in the current network, if the current network is different, the map can adopt different colors to carry out standards, for example, which place has a problem, and fault optical cable sections and strong vibration points marked by different colors. And secondly, the fiber core length of the equipment test data is converted into a specific position on a map, and the conditions of surrounding streets and buildings are presented, so that the position and the condition of the vibration point can be clearly known.
The specific working mode is, for example, an embodiment, and the map topology management is configured according to specific monitoring requirements, for example, configuring optical cable data, monitoring pipe network objects, sensing hosts, establishing a test route, testing links, setting test parameters and analysis parameters, and executing test management.
The analysis parameters comprise preset standard signals, a link, a sensing host and the like in the system are started under the vibration state, the test is automatically completed, the vibration mode of a strong vibration point is collected, all collection results are recorded in a database and are compared and analyzed with the standard signals. The analysis at least comprises the comprehensive evaluation of the amplitude, the frequency, the duration and the frequency of the strong vibration point, the analysis and the comparison of the vibration position, the intensity and the frequency change at different times, and the early warning judgment is made according to the signal characteristics. The vibration alarm generation, display and processing are completed, and the main functions comprise current and historical alarm display, alarm filtering, alarm confirmation, alarm inquiry, alarm statistics and alarm clearing.
The standard signal is a vibration signal characteristic model library, and the vibration signal characteristic model library caused by construction, vehicles and artificial touch is established according to the collected optical cable vibration distribution curve and aiming at data such as the terrain, roads and the like where optical cable lines are located.
Further, the system also comprises an alarm unit, wherein the alarm mode comprises a background (such as a database) connection alarm, a collection unit alarm and a vibration alarm. And the alarm has corresponding prompting information such as sound, graph, color text, short message, APP push and the like to inform the user.
The user can set corresponding conditions (such as alarm level, alarm state, management area, etc.) to display and customize the alarm event concerned by the user; the color, sound and even the alarm level of the alarm are set according to the habit of the user. Current or historical alarm queries and statistics based on start time, end time, alarm level, alarm type, area, cable segment, test link, and corresponding combinations as statistical conditions are provided.
As a further preferred embodiment, the above monitoring system based on an optical fiber link, wherein: the acquisition unit includes:
the vibration detection module is connected with the sensing optical fiber and used for performing vibration monitoring on the fiber core of the accessed sensing optical fiber and uploading monitoring data; the monitoring data comprise the amplitude, frequency, duration and frequency of the strong vibration point; the vibration detecting module may be formed of a single core optical fiber.
The optical switch module is used for being respectively connected with the vibration detection module and the sensing optical fiber and controlling the working state between the sensing optical fiber and the vibration detection module; the optical switch module is switched to realize the rapid polling detection of the fiber core of the optical cable by the vibration detection module, and when an abnormal event occurs on the optical cable, the polling test can immediately detect the vibration caused by the abnormal event.
And the control module is respectively connected with the optical switch module and the vibration detection module and used for outputting control signals for controlling the vibration detection module and the optical switch module, and the control module processes the control signals according to monitoring data fed back by the vibration detection module so as to quickly locate and acquire the occurrence position of a strong vibration point.
As a further preferred embodiment, in the monitoring system based on the optical fiber link, the collecting unit is disposed at any end of the sensing optical fiber.
As a further preferred embodiment, the monitoring system based on an optical fiber link further includes a communication unit, connected to the service unit, for receiving the comparison result and transmitting the comparison result to a management end, where the management end determines the current working state of the sensing optical fiber according to the comparison result.
The management end provides various reports to assist the user in mastering the running state of the whole system and the vibration alarm condition around the optical cable. Wherein the fault statistics type report form is as follows: the method comprises a current alarm comprehensive statistical form and a historical alarm statistical form, and faults can be counted according to the alarm starting time, the alarm ending time, the alarm level, the alarm type, the alarm reason, the area, the optical cable section, the test link and corresponding combinations as statistical conditions. Vibration analysis type report form: the optical cable peak value vibration statistical report is used for counting the peak trend of strong vibration generated at each time of a certain optical cable section and a test link; and counting the peak value change trend and the early warning degree of each important hidden danger point on a certain optical cable section and a test link along with the change of time.
The method includes the specific application that in the state of strong vibration, a vibration detection module acquires abnormal data, a monitoring system of an optical fiber link is activated, the vibration detection module continuously acquires abnormal information such as amplitude, frequency, duration, frequency and the like of the strong vibration point to form monitoring data, the type of the strong vibration is judged according to comparison between the monitoring data and data in a vibration signal characteristic model library, an external damage event possibly endangering an optical cable is automatically judged and identified, and meanwhile the strong vibration point is located.
In the embodiment, in the practical application process, only monitoring equipment needs to be arranged at one geographical position, single-end testing is carried out, and no construction is carried out at other ends; the other vibration detection module can detect that the range is as far as 100km, fiber cores of different ports are subjected to rapid polling detection, when an abnormal event occurs in the optical cable, the polling detection module can immediately detect vibration caused by the abnormal event and determine the position of the abnormal point; and the intrusion event is accurately positioned, and the positioning accuracy can be as low as 1 meter. Construction, touch and environment interference intelligent identification, wherein a network management system dynamically evaluates the influence on a line from a plurality of modes according to field vibration data and historical environment background big data and the change characteristics of vibration signals and effectively pre-warns the line so as to prevent missed alarm and virtual alarm; the vibration detection module adopts optical fibers as a passive detector, the whole sensing optical cable is non-energized except that a host needs to be powered, the lightning interference can be effectively avoided, the vibration detection module is particularly suitable for vibration monitoring in places such as inflammable and explosive places, strong electromagnetic interference places and the like, the position or the area of an incident is rapidly positioned, and the non-contact monitoring technology and the false alarm phenomenon caused by the non-contact monitoring technology are effectively solved.
Example two
Firstly, the implementation of the scheme can be based on the following premises:
the network module distinguishes a server side and a client side. The application program is divided into the server and the client, but different from most application programs needing to be divided into the server and the client, the product does not want to set up a computer as a server separately in consideration of cost control, program starting freedom, convenience and the like.
Therefore, after the program is started, the network module firstly analyzes the information recorded in the configuration file to judge whether the program is a server or not, if the program is the server, the program is a server and a client, and other computers are clients. And the user can view the corresponding management system at any time based on the client.
In another aspect, as shown in fig. 2, the present invention provides a monitoring method based on an optical fiber link, including,
step S110, receiving the current working state parameter of each feature point in an activation state, and judging whether the current working state parameter is abnormal according to a preset standard working state; further, as shown in fig. 3, when the acquisition unit acquires a first strong vibration state (i.e., when the first spike state in the figure is generated), the system is awakened, and continues to receive a second strong vibration state (i.e., when the first spike state in the figure is generated) within a predetermined time, the system is activated. If the second strong vibration is not received within a predetermined time, the system goes to sleep after a period of time. As shown in fig. 3, if the spike does not exceed the normal threshold range, no wake-up action is generated.
Step S120, when the characteristic points are in an abnormal state, acquiring a preset weight coefficient of the current characteristic point according to each characteristic point; the feature points mainly refer to nodes, as shown in fig. 4, for example, the current system includes 10 nodes, where the 10 nodes are the feature points, and meanwhile, the mainly monitored nodes are only central nodes, that is, nodes 3, 4, 6, and 10. The data in the black circle in the figure represents the weight of the node.
Step S130, calculating the utilization rate of the feature points according to the weight coefficient of each feature point and the connection state of the feature points; the method specifically comprises the following steps:
step S1301, acquiring direct association parameters of each feature point to form first-class protection parameters;
step S1302, acquiring indirect association parameters of each feature point to form second-class protection parameters;
step S1303, calculating and forming a residual free capacity according to the first type of protection parameters and the second type of protection parameters; the method specifically comprises the following steps: calculating and forming the remaining idle capacity according to the first-class protection parameters and the second-class protection parameters, wherein the first-class protection parameters at least comprise: the number of directly connected protection channels and the weight value of each directly connected link, wherein the second type of protection parameters at least comprise the number of indirectly connected protection channels; a weight value of each link that is indirectly connected;
the method for calculating the residual free capacity comprises the following steps:
s: the number of all links;
an: the number of adjacent protection paths;
bn: the weight value of each adjacent link;
cn: the number of indirect protection paths;
dn: each of which is indirectA weight value of link passing;
Athe residue is left: the residual capacity of the link where the characteristic point is located;
Ageneral assembly: total capacity of the link system.
And step S1304, calculating and forming the utilization rate of each feature node according to the residual free capacity and the total amount. The calculation mode of the utilization rate is as follows:
：
: for utilization.
And step S140, setting an alarm mode of each characteristic point according to the utilization rate. Specifically, in a state where the utilization rate of the feature point reaches 80%, the alarm mode is to send out an early warning; and when the utilization rate of the characteristic point reaches 90%, the alarm mode is to send out secondary early warning and start a standby preferred link.
The method for specifically starting the standby preferred link comprises the following steps:
acquiring a state characteristic node with the current utilization rate reaching 80%, outputting a control signal of a conversion path to a replacement characteristic node, acquiring a last characteristic node transmitted by the state node,
the above one characteristic node is a current reference characteristic node;
reading a last feature node of the reference feature node to form the replacement feature node;
calculating links from the special feature nodes to the target feature nodes to form an alternative link set;
reading and deleting the link matched with the reference characteristic node in the alternative link set to form an alternative preferred link set;
reading each alternative link in the alternative preferred link set, and acquiring the weight of a second feature node in each alternative link; and sorting the weights from small to large, and taking the link matched with the second weight as a standby preferred link. The link matched by the second weight is preferably selected as the standby preferred link in a state where the utilization rate of the feature node reaches 80%, and the link matched by the first weight is preferably selected as the standby preferred link in a state where the utilization rate of the feature node reaches 90%.
By the mode, double protection of the node and the link can be realized, the recovery speed is high, the resource utilization rate is high, and waste is avoided. And under the state of secondary early warning, namely, the corresponding standby optimal link is selected according to the utilization rate of the link, so that the switching of the communication mode is realized before the link fails. Communication data loss caused by link failure is avoided.
In the implementation method, only the central node or the station needs to be monitored, single-end testing is carried out, and the opposite end does not need any construction.
EXAMPLE III
In another aspect, the present invention provides a terminal, wherein the terminal includes:
one or more processors;
a memory for storing one or more programs;
when the one or more programs are executed by the one or more processors, cause the one or more processors to implement any of the fiber link-based monitoring methods described above,
receiving the current working state parameter of each feature point in an activation state, and judging whether the current working state parameter is abnormal or not according to a preset standard working state;
under the abnormal state of the characteristic points, acquiring a preset weight coefficient of the current characteristic point according to each characteristic point;
calculating the utilization rate of each feature point according to the weight coefficient of the feature point and the connection state of the feature point;
and setting an alarm mode of each feature point according to the utilization rate.
Example four
The present invention further provides a computer-readable storage medium, on which a computer program is stored, where the program, when executed by a processor, implements any one of the foregoing methods for monitoring based on an optical fiber link, and specifically includes:
receiving the current working state parameter of each feature point in an activation state, and judging whether the current working state parameter is abnormal or not according to a preset standard working state;
under the abnormal state of the characteristic points, acquiring a preset weight coefficient of the current characteristic point according to each characteristic point;
calculating the utilization rate of each feature point according to the weight coefficient of the feature point and the connection state of the feature point;
and setting an alarm mode of each feature point according to the utilization rate.
Storage medium-any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in the computer system in which the program is executed, or may be located in a different second computer system connected to the computer system through a network (such as the internet). The second computer system may provide the program instructions to the computer for execution. The term "storage medium" may include two or more storage media that may reside in different locations, such as in different computer systems that are connected by a network. The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium provided in the embodiments of the present application contains computer-executable instructions, and the computer-executable instructions are not limited to the synchronization operation of online multi-channel data as described above, and may also perform related operations in the synchronization method of multi-channel data provided in any embodiments of the present application.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. A monitoring system based on an optical fiber link, characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the acquisition unit is connected with a sensing optical fiber and used for acquiring an optical pulse signal and/or an optical sensing signal and forming acquisition data output according to the optical pulse signal and/or the optical sensing signal;
the service unit is used for receiving the acquired data, analyzing and processing the acquired data to form an acquired signal, and comparing and processing the acquired signal and a standard signal to form a comparison result to be output, wherein the standard signal is a feature model library specifically established according to the acquired signal;
under the condition that the vibration detection module acquires abnormal data, receiving the current working state parameter of each feature point, and judging whether the current working state parameter is abnormal according to a preset standard working state; the working state parameter is formed by the acquisition signal;
under the abnormal state of the characteristic points, acquiring a preset weight coefficient of the current characteristic point according to each characteristic point;
calculating the utilization rate of each feature point according to the weight coefficient of the feature point and the connection state of the feature point; the method specifically comprises the following steps: acquiring direct association parameters of each feature point to form first-class protection parameters;
acquiring indirect association parameters of each feature point to form second-class protection parameters;
calculating to form a residual idle capacity according to the first type protection parameters and the second type protection parameters;
calculating and forming the utilization rate of each feature node according to the residual free capacity and the total amount; and setting an alarm mode of each feature point according to the utilization rate.
2. The optical fiber link-based monitoring system of claim 1, wherein: the acquisition unit includes:
the vibration detection module is connected with the sensing optical fiber and used for performing vibration monitoring on the fiber core of the accessed sensing optical fiber and uploading monitoring data;
the optical switch module is used for being respectively connected with the vibration detection module and the sensing optical fiber and controlling the working state between the sensing optical fiber and the vibration detection module;
and the control module is respectively connected with the optical switch module and the vibration detection module and used for outputting control signals for controlling the vibration detection module and the optical switch module.
3. The optical fiber link-based monitoring system of claim 1, wherein the collection unit is disposed at either end of the sensing optical fiber.
4. The monitoring system according to claim 1, further comprising a communication unit connected to the service unit, configured to receive the comparison result and transmit the comparison result to a management end, where the management end determines the current working state of the sensing optical fiber according to the comparison result.
5. A monitoring method based on an optical fiber link is characterized by comprising the following steps,
forming a collected data output according to the optical pulse signal and/or the optical sensing signal;
receiving the collected data, analyzing the collected data to form a collected signal, and comparing the collected signal with a standard signal to form a comparison result to be output, wherein the standard signal is a feature model library specifically established according to the collected signal;
under the condition that the vibration detection module acquires abnormal data, receiving the current working state parameter of each feature point, and judging whether the current working state parameter is abnormal according to a preset standard working state; the working state parameter is formed by the acquisition signal;
under the abnormal state of the characteristic points, acquiring a preset weight coefficient of the current characteristic point according to each characteristic point;
calculating the utilization rate of each feature point according to the weight coefficient of the feature point and the connection state of the feature point; the method specifically comprises the following steps: acquiring direct association parameters of each feature point to form first-class protection parameters;
acquiring indirect association parameters of each feature point to form second-class protection parameters;
calculating to form a residual idle capacity according to the first type protection parameters and the second type protection parameters;
calculating and forming the utilization rate of each feature node according to the residual free capacity and the total amount; and setting an alarm mode of each feature point according to the utilization rate.
6. The method according to claim 5, wherein a remaining free capacity is calculated and formed according to the first protection parameter and the second protection parameter, and the first protection parameter at least comprises: the number of directly connected protection channels and the weight value of each directly connected link, wherein the second type of protection parameters at least comprise the number of indirectly connected protection channels; a weight value of each link that is indirectly connected;
the method for calculating the residual free capacity comprises the following steps:
s: the number of all links;
an: the number of adjacent protection paths;
bn: the weight value of each adjacent link;
cn: the number of indirect protection paths;
dn: indirectly passing the weight value of each link;
Athe residue is left: the residual capacity of the link where the characteristic point is located;
Ageneral assembly: total capacity of the link system.
7. The method according to claim 5, wherein setting the alarm mode of each feature point according to the utilization ratio specifically comprises:
when the utilization rate of the feature points reaches 80%, the alarm mode is to send out an early warning;
and when the utilization rate of the characteristic point reaches 90%, the alarm mode is to send out secondary early warning and start a standby preferred link.
8. A terminal, wherein the terminal comprises:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement a method for fiber link based monitoring according to any of claims 5-7.
9. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, is adapted to carry out a method for monitoring an optical fiber link according to any one of claims 5 to 7.
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| CN117098018B (en) * | 2023-10-19 | 2024-01-02 | 微网优联科技(成都)有限公司 | Network mode self-adaptive switching control method and system for all-optical product |
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