CN111950378B - Monitoring system for optical fiber environment vibration signals - Google Patents
Monitoring system for optical fiber environment vibration signals Download PDFInfo
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- CN111950378B CN111950378B CN202010683837.6A CN202010683837A CN111950378B CN 111950378 B CN111950378 B CN 111950378B CN 202010683837 A CN202010683837 A CN 202010683837A CN 111950378 B CN111950378 B CN 111950378B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
- G06F2218/02—Preprocessing
- G06F2218/04—Denoising
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
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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
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
- G06F2218/02—Preprocessing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
- G06F2218/12—Classification; Matching
Abstract
The invention provides a monitoring system of an optical fiber environment vibration signal, which comprises an optical fiber signal vibration acquisition layer, an analysis processing layer and a monitoring layer, wherein the optical fiber signal vibration acquisition layer is used for acquiring vibration signal data and environment picture data at a plurality of nodes of an optical fiber and sending the vibration signal data and the environment picture data to the analysis processing layer; the signal data analysis processing layer is used for respectively comparing the vibration signal data at the plurality of nodes with preset sample data and marking the vibration signal data with the comparison error larger than a preset error value; classifying the marked vibration signal data according to the environment picture data, and sending the vibration signal data to the signal data output control layer; and the signal data output control layer is used for determining whether the vibration signal data is abnormal or not according to the marks of the classified vibration signal data, and if the vibration signal data is abnormal, carrying out data abnormality alarm. The invention is convenient for operators to find out the factors of optical fiber damage, avoids data confusion and can rapidly complete the alarm function.
Description
Technical Field
The invention relates to the technical field of optical fibers, in particular to a monitoring system for an optical fiber environment vibration signal.
Background
The optical fiber is manufactured for meeting the performance specifications of optics, machinery or environment, and is a communication cable component which uses one or more optical fibers arranged in a cladding sheath as a transmission medium and can be used singly or in groups, the optical cable mainly comprises an optical fiber, a plastic protection sleeve and a plastic sheath, metals such as gold, silver, copper aluminum and the like are not contained in the optical cable, the optical cable generally has no recycling value, a certain number of optical fibers form a cable core according to a certain mode, the optical cable is sheathed outside the cable, and an outer sheath is also clad for realizing a communication line of optical signal transmission, namely: the basic structure of the cable is composed of a cable core, reinforcing steel wires, fillers, a sheath and other parts, and components such as a waterproof layer, a buffer layer, an insulated metal wire and the like are also arranged according to requirements.
The optical fiber is possibly damaged in the use process, so that the optical signal transmission effect of the optical fiber is affected, the optical fiber is required to be monitored in order to acquire the optical fiber damage and perform corresponding treatment in time, in the monitoring process of the optical fiber, because of too many external influence factors of the optical fiber, different optical fibers are in different environments, so that data confusion is easily caused when the vibration signals of the optical fiber are monitored, the monitoring effect of the optical fiber is poor, and no optical fiber vibration signal monitoring treatment aiming at different environments is performed in the existing system, so that the vibration data of the optical fiber is effectively monitored, and the best data is obtained.
Disclosure of Invention
The invention aims to provide a monitoring system for an optical fiber environment vibration signal, which is used for avoiding data confusion easily caused when the vibration signal of an optical fiber is monitored, so that the monitoring effect of the optical fiber is improved.
To achieve the above object, an embodiment of the present invention provides a monitoring system for an optical fiber environment vibration signal, including:
the optical fiber signal vibration acquisition layer, the signal data analysis processing layer and the signal data output control layer are connected in sequence;
the optical fiber signal vibration acquisition layer is used for acquiring vibration signal data and environment picture data at a plurality of nodes of the optical fiber and transmitting the vibration signal data and the environment picture data at the plurality of nodes to the signal data analysis processing layer;
the signal data analysis processing layer is used for respectively comparing the vibration signal data at the plurality of nodes with preset sample data and marking the vibration signal data with the comparison error larger than a preset error value; classifying the environment picture data and the marked vibration signal data according to the node information of the plurality of nodes so as to classify the environment picture data and the marked vibration signal data of the same node scene into one type, and transmitting the classified environment picture data and the marked vibration signal data to the signal data output control layer;
the signal data output control layer is used for determining whether the vibration signal data is abnormal or not according to the marks of the classified vibration signal data, if the vibration signal data is abnormal, alarming the data abnormality, and determining an abnormal vibration signal data environment picture.
Further, the optical fiber signal vibration acquisition layer comprises:
the vibration signal sensors are distributed at the nodes and are used for sensing optical fiber vibration signals at different nodes;
the vibration signal collector is used for receiving the optical fiber vibration signals of the vibration signal sensors to obtain vibration signal data of the nodes;
the filtering module is used for carrying out external waveform vibration filtering processing on the vibration signal data at the plurality of nodes;
the image pickup system is used for shooting environment picture data at a plurality of nodes and converting the environment picture data into corresponding analog signals to be output;
the AD conversion module is used for converting the vibration signal data at the plurality of nodes which are filtered and processed by the filtering module into corresponding analog signals to be output, receiving the analog signals corresponding to the environment picture data at the plurality of nodes which are output by the camera system, and sending the analog signals output by the filtering module and the camera system to the signal data analysis processing layer.
Further, the image pickup system includes:
the environment picture acquisition module is used for acquiring environment picture data at a plurality of nodes and outputting the environment picture data to the environment data conversion module;
the timing module is used for recording time data corresponding to the environment picture data at the plurality of nodes and outputting the time data to the environment picture data conversion module;
the environment picture data conversion module is used for converting the environment picture data and the time data at the plurality of nodes into analog signals and outputting the analog signals to the environment picture data transmission module;
and the environment picture data transmission module is used for outputting the analog signals converted by the environment data conversion module to the AD conversion module.
Further, the signal data analysis processing layer includes:
the signal data receiving module is used for receiving the analog signals output by the AD conversion module and outputting the analog signals to the signal data conversion module;
the signal data conversion module is used for converting the analog signals output by the signal data receiving module into digital signals and outputting the digital signals to the signal noise filtering module and the environment picture data processing module;
the signal-to-noise filtering module is used for filtering the digital signals output by the signal data conversion module and outputting the digital signals to the signal data processing module;
the signal data processing module is used for extracting the vibration signal data in the digital signals, eliminating interference signals in the vibration signal data, classifying the vibration signal data according to node information of a plurality of nodes and outputting the vibration signal data to the signal data analysis module;
the signal data analysis module is used for comparing the vibration signal data after the classification processing with preset sample data in a background sample database, marking the vibration signal data with the comparison error larger than the preset error value, and outputting the vibration signal data to the signal data integration module;
the environment picture data processing module is used for integrating the environment picture data and the time data in the digital signals, processing the environment picture data with the time marks and outputting the environment picture data to the environment picture data classifying module;
the environment picture data classifying module is used for classifying the environment picture data with the time marks according to the node information of the plurality of nodes and outputting the environment picture data with the time marks to the signal data integrating module;
the signal data integration module is used for integrating the classified environmental picture data and the vibration signal data to obtain integrated data and outputting the integrated data to the integrated data transmission module; the integrated data comprise environment picture data of different node scenes and marked vibration signal data;
the integrated data transmission module is used for outputting the integrated data to the signal data output control layer;
and the background sample database is used for storing data information of background sample data and carrying out data interaction with the signal data analysis module.
Further, the signal data processing module includes:
the external integral vibration signal module is used for receiving the digital signal output by the signal-to-noise filtering module;
the vibration signal capturing unit is used for extracting the vibration signal data in the digital signals and outputting the vibration signal data to the external signal eliminating unit through the external integral vibration signal module;
the external signal removing unit is used for filtering interference signals except the vibration signal data in the digital signals and outputting the filtered vibration signal data to the vibration signal classifying unit;
and the vibration signal classifying unit is used for classifying the filtered vibration signal data.
Further, the signal data processing module receives the digital signal output by the signal-to-noise filtering module, the vibration signal capturing unit extracts the vibration signal data in the digital signal, the vibration signal data is output to the external signal removing unit through the external integral vibration signal module, the external signal removing unit filters interference signals except the vibration signal data in the digital signal, the filtered vibration signal data is obtained and is output to the vibration signal classifying unit through the external integral vibration signal module, the vibration signal classifying unit classifies the filtered vibration signal data, and the classified vibration signal data is output to the signal data analyzing module through the external integral vibration signal module.
Further, the signal data output control layer includes:
the integrated data receiving module is used for receiving the data output by the integrated data transmission module and outputting the data to the integrated data processing module;
the integrated data processing module is used for carrying out identification processing on the integrated environment picture data and the vibration signal data, matching the integrated environment picture data and the vibration signal data with node information to obtain node data, and outputting the node data to the node data processing module;
the node data processing module is used for judging whether the node data is abnormal or not, marking the abnormal node data and outputting the marked abnormal node data to the node abnormal data capturing module;
the display module is used for displaying the node data;
the node abnormal data capturing module is used for capturing marked node data, acquiring abnormal information in the marked node data and outputting the abnormal information to the alarm module;
and the alarm module is used for alarming the marked node data and the abnormal information.
In summary, the embodiment of the invention has the following beneficial effects:
according to the monitoring system for the optical fiber environment vibration signals, which is provided by the embodiment of the invention, the optical fiber vibration acquisition layer is used for sensing the vibration outside the optical fiber, fully acquiring the vibration signals and the external environment, filtering the external waveform vibration, sorting and converting the external waveform vibration into analog signals, and conveying a plurality of groups of different analog signals to the signal data analysis processing layer, so that pictures of different environments outside the optical fiber can be acquired and converted, and transmitted, and an operator can conveniently find out factors of damage to the optical fiber.
The signal data analysis processing layer sorts the data by comparing and analyzing the data with the data in the background sample database, marks the data with overlarge difference, classifies and integrates the environmental picture data and the vibration signal data of different node scenes, so that the environmental picture and the vibration signal in the same node scene are matched, and the data confusion is avoided.
The signal data output control layer captures abnormal node data with marks, and after the abnormal data is captured, the external alarm device is directly opened through the alarm module, the alarm is executed and displayed, so that operators can check conveniently, the alarm effect can be rapidly completed, and the external operators can be timely warned.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that it is within the scope of the invention to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
Fig. 1 is a schematic structural diagram of a monitoring system for an optical fiber environment vibration signal according to the present invention.
Fig. 2 is a schematic diagram of an optical fiber signal vibration acquisition layer of the monitoring system for optical fiber environment vibration signals.
Fig. 3 is a schematic diagram of an image pickup system of the monitoring system for the optical fiber environment vibration signal provided by the invention.
Fig. 4 is a schematic diagram of a signal data analysis processing layer of the monitoring system for optical fiber environmental vibration signals.
Fig. 5 is a schematic diagram of a signal data processing module of the monitoring system for an optical fiber environment vibration signal provided by the invention.
Fig. 6 is a schematic diagram of a signal data output control layer of the monitoring system for optical fiber environment vibration signals.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent.
Fig. 1 is a schematic diagram of an embodiment of a monitoring system for an optical fiber environment vibration signal according to the present invention. In this embodiment, the system comprises: the optical fiber signal vibration acquisition layer 1, the signal data analysis processing layer 2 and the signal data output control layer 3 are connected in sequence;
the optical fiber signal vibration acquisition layer 1 is used for acquiring vibration signal data and environment picture data at a plurality of nodes of the optical fiber and sending the vibration signal data and the environment picture data at the plurality of nodes to the signal data analysis processing layer 2;
in a specific embodiment, as shown in fig. 2, the optical fiber signal vibration acquisition layer 1 includes:
a plurality of vibration signal sensors 11 distributed at a plurality of nodes for sensing optical fiber vibration signals at different nodes;
a vibration signal collector 12, configured to receive optical fiber vibration signals of the plurality of vibration signal sensors 11, and obtain vibration signal data at a plurality of nodes;
a filtering module 13, configured to perform external waveform vibration filtering processing on vibration signal data at the plurality of nodes;
the camera system 14 is used for shooting the environmental picture data at a plurality of nodes and converting the environmental picture data into corresponding analog signals to be output;
an AD conversion module 15, configured to convert the vibration signal data at the plurality of nodes filtered by the filtering module 13 into corresponding analog signals for outputting, receive analog signals corresponding to the environmental picture data at the plurality of nodes output by the image capturing system, and send the analog signals output by the filtering module and the image capturing system to the signal data analysis processing layer 2;
as shown in fig. 3, the image capturing system 14 includes:
the environmental picture collection module 141 is configured to collect environmental picture data at a plurality of nodes, and output the environmental picture data to the environmental picture data conversion module 143;
a timing module 142 for recording time data corresponding to the environmental picture data at the plurality of nodes and outputting to the environmental picture data conversion module 143;
an environmental picture data conversion module 143, configured to convert the environmental picture data and the time data at the plurality of nodes into analog signals, and output the analog signals to an environmental picture data transmission module 144;
an environmental picture data transmission module 144 for outputting the analog signal converted by the environmental picture data conversion module 143 to the AD conversion module 15.
In a specific embodiment, vibration outside the optical fiber is sensed by the vibration signal sensor 11, the vibration signal is fully collected by the vibration signal collector 12, the external waveform vibration is filtered by the filtering module 13, the environmental picture data at a plurality of nodes are fully collected by the environmental picture collecting module 141 inside the image pickup system 14, the time data corresponding to the environmental picture data at the plurality of nodes is recorded by the time timing function of the timing module 142, the environmental picture data at the plurality of nodes and the time data are collated and converted into analog signals by the environmental picture data converting module 143, the analog signals are transmitted to the inside of the AD converting module 15 by the environmental picture data transmitting module 144, and a plurality of groups of different analog signals are transmitted to the inside of the signal data receiving module 21 by the AD converting module 15, so that pictures of different environments outside the optical fiber can be collected and converted and transmitted.
The signal data analysis processing layer 2 is configured to compare the vibration signal data at the plurality of nodes with preset sample data, and mark vibration signal data with a comparison error greater than a preset error value; classifying the environment picture data and the marked vibration signal data according to the node information of the plurality of nodes so as to classify the environment picture data and the marked vibration signal data of the same node scene into one type, and transmitting the classified environment picture data and the marked vibration signal data to the signal data output control layer 3;
in a specific embodiment, as shown in fig. 4, the signal data analysis processing layer 2 includes:
a signal data receiving module 21, configured to receive the analog signal output by the AD conversion module 15, and output the analog signal to a signal data conversion module 22;
a signal data conversion module 22, configured to convert the analog signal output by the signal data receiving module 21 into a digital signal, and output the digital signal to a signal noise filtering module 23 and an environmental picture data processing module 26;
a signal-to-noise filtering module 23, configured to filter the digital signal output by the signal data conversion module 22, and output the filtered digital signal to a signal data processing module 24;
the signal data processing module 24 is configured to extract the vibration signal data in the digital signal, reject the interference signal therein, perform classification processing according to node information of a plurality of nodes, and output the classification processing to the signal data analysis module 25;
the signal data analysis module 25 is configured to compare the categorized vibration signal data with preset sample data in the background sample database 27, mark vibration signal data with a comparison error greater than a preset error value, and output the vibration signal data to the signal data integration module 29;
an environmental picture data processing module 26, configured to perform classification processing on the environmental picture data and the time data in the digital signal, and output the classified environmental picture data to an environmental picture data classifying module 28;
an environmental picture data classifying module 28, configured to classify the classified environmental picture data and time data, process the environmental picture data with a time stamp, and output the classified environmental picture data and time data to the signal data integrating module 29;
the signal data integrating module 29 is configured to integrate the categorized environmental picture data and the vibration signal data to obtain integrated data, and output the integrated data to the integrated data transmitting module 210; the integrated data comprise environment picture data of different node scenes and marked vibration signal data;
an integrated data transmission module 210, configured to output the integrated data to the signal data output control layer 3;
a background sample database 27 for storing data information of background sample data, and performing data interaction with the signal data analysis module 25.
Specifically, as shown in fig. 5, the signal data processing module 24 includes:
an external integral vibration signal module 241, configured to receive the digital signal output by the signal-to-noise filtering module 23;
a vibration signal capturing unit 242, configured to extract the vibration signal data in the digital signal, and output the extracted vibration signal data to an external signal rejecting unit 243 through the external integral vibration signal module 241;
an external signal rejection unit 243 for filtering the interference signals except the vibration signal data in the digital signal, and outputting the filtered vibration signal data to a vibration signal classification unit 244;
a vibration signal classifying unit 244, configured to classify the filtered vibration signal data;
specifically, the signal data processing module 24 receives the digital signal output by the signal-to-noise filtering module 23, the vibration signal capturing unit 242 extracts the vibration signal data in the digital signal, the vibration signal data is output to the external signal removing unit 243 through the external integral vibration signal module 241, the external signal removing unit 243 filters the interference signals except for the vibration signal data in the digital signal, the filtered vibration signal data is obtained and output to the vibration signal classifying unit 244 through the external integral vibration signal module 241, the vibration signal classifying unit 244 classifies the filtered vibration signal data, and the classified vibration signal data is output to the signal data analyzing module 25 through the external integral vibration signal module 241.
The signal data output control layer 3 is used for determining whether the vibration signal data is abnormal according to the marks of the classified vibration signal data, if so, giving a data abnormality alarm, and determining an abnormal vibration signal data environment picture;
in a specific embodiment, as shown in fig. 6, the signal data output control layer 3 includes:
an integrated data receiving module 31, configured to receive the data output by the integrated data transmitting module 210 and output the data to the integrated data processing module 32;
an integrated data processing module 32, configured to perform recognition processing on the integrated environmental picture data and vibration signal data, match the integrated environmental picture data and vibration signal data with node information, obtain node data, and output the node data to a node data processing module 33;
the node data processing module 33 is configured to determine whether the node data has an abnormality, mark the abnormal node data, and output the marked abnormal node data to the node abnormal data capturing module 35;
a display module 34 for displaying the node data;
the node anomaly data capture module 35 is configured to capture the marked node data, acquire anomaly information therein, and output the anomaly information to the alarm module 36;
an alarm module 36, configured to alarm the marked node data and the anomaly information;
the integrated data receiving module 31 receives the data in the integrated data transmission module 210, the integrated data processing module 32 processes the data, the node data processing module 33 and the node abnormal data capturing module 35 capture the marked abnormal node data, and after the abnormal data is captured, the alarm module 36 directly opens an external alarm device to perform an alarm, and the processed data is displayed by the display module 34, so that the operator can check conveniently and the alarm effect can be completed quickly.
When the monitoring system for the optical fiber environment vibration signal is used, the vibration signal sensor 11 senses vibration outside the optical fiber when the optical fiber signal vibration acquisition layer 1 works, the vibration signal acquisition device 12 fully acquires the vibration signal, the filtering and filtering module 13 filters external waveform vibration, the environment picture acquisition module 141 inside the camera system 14 fully acquires external environment, the timing function of the timing module 142 is utilized, the data shot from the outside is tidied and converted into analog signals through the environment picture data conversion module 143, and then the analog signals are conveyed into the AD conversion module 15 through the environment picture data transmission module 144, and the AD conversion module 15 conveys a plurality of groups of different analog signals into the signal data receiving module 21, so that pictures of different environments outside the optical fiber can be acquired and converted and transmitted, and an operator can conveniently find out factors of optical fiber damage; the signal data receiving module 21 receives the virtual signal, converts the virtual signal into a digital signal through the signal data converting module 22, the signal noise filtering module 23 filters the digital signal, the environmental picture data processing module 26 processes the environmental picture data, classifies different environmental picture data through the environmental picture data classifying module 28, the signal data processing module 24 processes the filtered data, the vibration signal capturing unit 242 in the interior extracts the vibration signal fully, the other signals are removed through the external signal removing unit 243, only the vibration signal data is reserved, the vibration signal classifying unit 244 classifies the signal data sequentially, the signal data analyzing module 25 classifies the data through comparing and analyzing the data in the background sample database 27, marks the data with the excessively large difference, integrates the environmental picture and the vibration data of the scene through the signal data integrating module 29, and transmits the same data through the data transmitting module 210, thereby completing the rapid mixing and the different environment and different vibration signals, and the vibration of the same environment can be avoided; the integrated data receiving module 31 receives the data in the integrated data transmitting module 210, the integrated data processing module 32 processes the data, the node data processing module 33 and the node abnormal data capturing module 35 capture the marked abnormal node data, after capturing the abnormal data, the external alarm device is directly opened by the alarm module 36 to execute an alarm, the processed data is displayed by the display module 34, so that the operator can check conveniently, the alarm function can be quickly completed, and the external operator can be timely warned.
In summary, the embodiment of the invention has the following beneficial effects:
according to the monitoring system for the vibration signals of the optical fiber environment, the vibration outside the optical fiber is sensed through the optical fiber signal vibration acquisition layer, the vibration signals and the external environment are fully acquired, the external waveform vibration is filtered, the external waveform vibration is tidied and converted into analog signals, a plurality of groups of different analog signals are transmitted to the signal data analysis processing layer, pictures of different environments outside the optical fiber can be acquired and converted, the transmission is carried out, and an operator can find out factors of damage to the optical fiber conveniently.
The signal data analysis processing layer is used for sorting data through comparing and analyzing the data in the background sample database, marking the data with overlarge difference value, integrating the environment picture data and the vibration signal data of the same scene, and rapidly completing classification processing on different environments and different vibration signals, so that pictures in the same environment are matched with the vibration signals, and data confusion is avoided.
The signal data output control layer captures abnormal node data with marks, and after the abnormal data is captured, the external alarm device is directly opened through the alarm module, the alarm is executed and displayed, so that operators can check conveniently, the alarm effect can be rapidly completed, and the external operators can be timely warned.
The above disclosure is only a preferred embodiment of the present invention, and it is needless to say that the scope of the invention is not limited thereto, and therefore, the equivalent changes according to the claims of the present invention still fall within the scope of the present invention.
Claims (6)
1. A monitoring system for an optical fiber environmental vibration signal, comprising: the optical fiber signal vibration acquisition layer, the signal data analysis processing layer and the signal data output control layer are connected in sequence;
the optical fiber signal vibration acquisition layer is used for acquiring vibration signal data and environment picture data at a plurality of nodes of the optical fiber and transmitting the vibration signal data and the environment picture data at the plurality of nodes to the signal data analysis processing layer;
the signal data analysis processing layer is used for respectively comparing the vibration signal data at the plurality of nodes with preset sample data and marking the vibration signal data with the comparison error larger than a preset error value; classifying the environment picture data and the marked vibration signal data according to the node information of the plurality of nodes so as to classify the environment picture data and the marked vibration signal data of the same node scene into one type, and transmitting the classified environment picture data and the marked vibration signal data to the signal data output control layer;
the signal data output control layer is used for determining whether the vibration signal data is abnormal or not according to the marks of the classified vibration signal data, if so, giving a data abnormality alarm and determining an abnormal vibration signal data environment picture;
wherein the signal data analysis processing layer comprises:
the signal data receiving module is used for receiving the analog signals output by the AD conversion module in the optical fiber signal vibration acquisition layer and outputting the analog signals to the signal data conversion module;
the signal data conversion module is used for converting the analog signals output by the signal data receiving module into digital signals and outputting the digital signals to the signal noise filtering module and the environment picture data processing module;
the signal-to-noise filtering module is used for filtering the digital signals output by the signal data conversion module and outputting the digital signals to the signal data processing module;
the signal data processing module is used for extracting the vibration signal data in the digital signals, eliminating interference signals in the vibration signal data, classifying the vibration signal data according to node information of a plurality of nodes and outputting the vibration signal data to the signal data analysis module;
the signal data analysis module is used for comparing the vibration signal data after the classification processing with preset sample data in a background sample database, marking the vibration signal data with the comparison error larger than the preset error value, and outputting the vibration signal data to the signal data integration module;
the environment picture data processing module is used for integrating the environment picture data and the time data in the digital signals, processing the environment picture data with the time marks and outputting the environment picture data to the environment picture data classifying module;
the environment picture data classifying module is used for classifying the environment picture data with the time marks according to the node information of the plurality of nodes and outputting the environment picture data with the time marks to the signal data integrating module;
the signal data integration module is used for integrating the classified environmental picture data and the vibration signal data to obtain integrated data and outputting the integrated data to the integrated data transmission module; the integrated data comprise environment picture data of different node scenes and marked vibration signal data;
the integrated data transmission module is used for outputting the integrated data to the signal data output control layer;
and the background sample database is used for storing data information of background sample data and carrying out data interaction with the signal data analysis module.
2. The system of claim 1, wherein the fiber optic signal vibration acquisition layer comprises:
the vibration signal sensors are distributed at the nodes and are used for sensing optical fiber vibration signals at different nodes;
the vibration signal collector is used for receiving the optical fiber vibration signals of the vibration signal sensors to obtain vibration signal data of the nodes;
the filtering module is used for carrying out external waveform vibration filtering processing on the vibration signal data at the plurality of nodes;
the image pickup system is used for shooting environment picture data at a plurality of nodes and converting the environment picture data into corresponding analog signals to be output;
the AD conversion module is used for converting the vibration signal data at the plurality of nodes which are filtered and processed by the filtering module into corresponding analog signals to be output, receiving the analog signals corresponding to the environment picture data at the plurality of nodes which are output by the camera system, and sending the analog signals output by the filtering module and the camera system to the signal data analysis processing layer.
3. The system of claim 2, wherein the camera system comprises:
the environment picture acquisition module is used for acquiring environment picture data at a plurality of nodes;
a timing module for recording time data corresponding to the environmental picture data at the plurality of nodes;
the environment picture data conversion module is used for converting the environment picture data and the time data at the plurality of nodes into analog signals;
and the environment picture data transmission module is used for outputting the analog signals converted by the environment picture data conversion module to the AD conversion module.
4. The system of claim 3, wherein the signal data processing module comprises:
the external integral vibration signal module is used for receiving the digital signal output by the signal-to-noise filtering module;
the vibration signal capturing unit is used for extracting the vibration signal data in the digital signals and outputting the vibration signal data to the external signal eliminating unit through the external integral vibration signal module;
the external signal removing unit is used for filtering interference signals except the vibration signal data in the digital signals and outputting the filtered vibration signal data to the vibration signal classifying unit;
and the vibration signal classifying unit is used for classifying the filtered vibration signal data.
5. The system according to claim 4, wherein the signal data processing module receives the digital signal output from the signal-to-noise filtering module, the vibration signal capturing unit extracts the vibration signal data in the digital signal, outputs the vibration signal data to the external signal removing unit through the external integrated vibration signal module, filters interference signals other than the vibration signal data in the digital signal, acquires the filtered vibration signal data, and outputs the filtered vibration signal data to the vibration signal classifying unit through the external integrated vibration signal module, and the vibration signal classifying unit classifies the filtered vibration signal data, and outputs the classified vibration signal data to the signal data analyzing module through the external integrated vibration signal module.
6. The system of claim 5, wherein the signal data output control layer comprises:
the integrated data receiving module is used for receiving the data output by the integrated data transmission module and outputting the data to the integrated data processing module;
the integrated data processing module is used for carrying out identification processing on the integrated environment picture data and the vibration signal data, matching the integrated environment picture data and the vibration signal data with node information to obtain node data, and outputting the node data to the node data processing module;
the node data processing module is used for judging whether the node data is abnormal or not, marking the abnormal node data and outputting the marked abnormal node data to the node abnormal data capturing module;
the display module is used for displaying the node data;
the node abnormal data capturing module is used for capturing marked node data, acquiring abnormal information in the marked node data and outputting the abnormal information to the alarm module;
and the alarm module is used for alarming the marked node data and the abnormal information.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160625A (en) * | 1996-11-28 | 1998-06-19 | Nippon Telegr & Teleph Corp <Ntt> | Method and system for monitoring abnormality of optical-fiber cable |
| KR20020009542A (en) * | 2001-12-06 | 2002-02-01 | 엔엠소프트(주) | method and apparatus for monitoring optical fiber, equipments and environmental states of remote communication stations by using a test signal |
| CN205453696U (en) * | 2016-02-29 | 2016-08-10 | 国网河南省电力公司南阳供电公司 | Real -time on -line monitoring system of optical cable based on GIS |
| CN107425906A (en) * | 2017-07-25 | 2017-12-01 | 电子科技大学 | Towards the distributing optical fiber sensing signal processing method of underground pipe network safety monitoring |
| CN107742385A (en) * | 2017-09-13 | 2018-02-27 | 武汉安保通科技有限公司 | A kind of micro-vibration warning system and method |
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2020
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160625A (en) * | 1996-11-28 | 1998-06-19 | Nippon Telegr & Teleph Corp <Ntt> | Method and system for monitoring abnormality of optical-fiber cable |
| KR20020009542A (en) * | 2001-12-06 | 2002-02-01 | 엔엠소프트(주) | method and apparatus for monitoring optical fiber, equipments and environmental states of remote communication stations by using a test signal |
| CN205453696U (en) * | 2016-02-29 | 2016-08-10 | 国网河南省电力公司南阳供电公司 | Real -time on -line monitoring system of optical cable based on GIS |
| CN107425906A (en) * | 2017-07-25 | 2017-12-01 | 电子科技大学 | Towards the distributing optical fiber sensing signal processing method of underground pipe network safety monitoring |
| CN107742385A (en) * | 2017-09-13 | 2018-02-27 | 武汉安保通科技有限公司 | A kind of micro-vibration warning system and method |
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