CN113031470A - PCCP steel wire broken wire monitoring system - Google Patents
PCCP steel wire broken wire monitoring system Download PDFInfo
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- G05B19/00—Programme-control systems
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Abstract
The invention discloses a PCCP steel wire breakage monitoring system which comprises a data acquisition module, wherein the data acquisition module comprises a sound sensing unit SSU and a position sensing unit RSU, the sound sensing unit SSU is used for continuously transmitting optical signals to optical fibers in a PCCP pipeline, and the position sensing unit RSU transmits optical pulse signals and positions sound event positions monitored by the sound sensing unit SSU according to the time for receiving reflected light. The distributed sound detection is carried out based on a phi-OTDR principle, continuous light generated by a light source is modulated into narrow pulses through an intensity modulator and is injected into a sensing optical fiber through an optical fiber circulator, data are collected through DAQ preliminary filtering of a data collection system, sound events with suspicious broken fiber characteristics are transmitted to a monitoring platform through a network, and the distributed sound detection system has the advantages of monitoring the phase of sound waves at each point in a full optical fiber range, realizing rapid response demodulation of the sound waves in the full optical fiber range and ensuring high reduction degree of the detected sound waves through an analysis processing mode.
Description
Technical Field
The invention relates to the technical field of PCCP pipeline broken wire monitoring, in particular to a PCCP steel wire broken wire monitoring system.
Background
The PCCP is a prestressed concrete cylinder pipe, which is a pipe manufactured by spirally winding high-strength steel wires on a concrete pipe core with a steel cylinder and covering a mortar protective layer.
Since the 40's of the 20 th century, the united states used PCCP in large-bore, long-distance, high-pressure water delivery projects in large quantities. The application of PCCP in China starts in 1988, and the PCCP is widely applied to a plurality of fields of water conservancy, electric power, municipal water supply and drainage and the like in China at present, and the annual design production capacity reaches thousands of kilometers.
In the production and operation processes of the PCCP pipeline, due to the influence of various peripheral factors, prestressed steel wires of the PCCP pipeline are corroded, part of the steel wires can be further broken after being corroded, if multiple strands of broken wires occur at the same part of the PCCP pipeline, the pipeline strength is obviously reduced, and finally pipe burst is caused. Therefore, in the operation process of the PCCP pipeline, an effective technical means is needed to be adopted, a set of online monitoring system aiming at the safe operation of the PCCP pipeline is established, the PCCP pipeline is monitored in real time, the damage state of the PCCP pipeline is found and recorded in real time, and the maintenance treatment is carried out in time, so that the occurrence of safety accidents is reduced.
As a novel combined structure pipe, at present, many scholars at home and abroad carry out some researches on large-diameter PCCP pipelines and draw some conclusions with reference value. But few researches are carried out on the detection test and the related detection technology for judging the broken wire of the PCCP primary pipe with the ultra-large diameter, such as the diameter of 2m-4 m. Italy has a set of PCCP pipeline broken wire detection equipment, but the technology is confidential and the price is high, so that the development of a large-caliber PCCP pipeline broken wire detection system with domestic independent intellectual property and effective monitoring means is urgently needed.
Disclosure of Invention
The invention aims to provide a PCCP steel wire broken wire monitoring system, which carries out sound distributed detection based on a phi-OTDR principle, continuous light generated by a light source is modulated into narrow pulses by an intensity modulator and is injected into a sensing optical fiber by an optical fiber circulator, backward Rayleigh scattering light is injected into a photoelectric detector from the other end of the optical fiber circulator to carry out detection and collection of PCCP pipeline sound events, data is preliminarily filtered and collected by a data collection system DAQ, sound events with suspicious broken wire characteristics are transmitted to a monitoring platform by a network and are analyzed and processed, therefore, the invention has the advantages of monitoring the phase, frequency and amplitude measurement of the sound wave of each point in the full optical fiber range, realizing the quick response demodulation of the sound wave in the full optical fiber range and ensuring the high recovery degree of the detected sound wave, and solves the problems in the prior art. In order to achieve the purpose, the invention provides the following technical scheme:
PCCP steel wire broken wire monitoring system includes: the data acquisition module comprises a sound sensing unit SSU and a position sensing unit RSU, wherein the sound sensing unit SSU is used for continuously transmitting light signals to an optical fiber in the PCCP pipeline and recording sound events of the light signals synchronously measured and reflected by a reflector at the tail end of the optical fiber, and the position sensing unit RSU transmits light pulse signals and positions the position of the sound event monitored by the sound sensing unit SSU according to the time of receiving the reflected light;
the system management module is used for receiving the sound event and analyzing and processing the sound event, and comprises a pipeline management module, a valve management module, an optical fiber management module and a comprehensive module, wherein the comprehensive module is connected with the pipeline management module and is used for recording and managing pipeline information in a jurisdiction; the comprehensive module is connected with the valve management module and is used for managing valve information in the jurisdiction; the comprehensive module is connected with the optical fiber management module and is used for recording and managing optical fiber information in the district;
the basic data module is used for establishing a voiceprint database and a vibration database for information visualization of the sound event processed by the system management module according to the PCCP broken wire characteristic model and the PCCP vibration characteristic model,
the automatic monitoring module is used for monitoring the wire breakage characteristic and the vibration characteristic of the pipeline generated by the PCCP;
and the monitoring map module is used for monitoring the sound event processed by the system management module based on map situation information so as to be used for a user to inquire the map condition of a target area.
As an improvement of the PCCP steel wire breakage monitoring system, the PCCP steel wire breakage monitoring system further comprises a voiceprint learning module connected with the system management module, wherein the voiceprint learning module comprises a terminal acquisition module, an automatic acquisition module, a first learning module and a second learning module,
the terminal acquisition module is used for processing basic information of the monitoring system by a user, wherein the basic information of the monitoring system comes from an external terminal APP;
the automatic acquisition module is used for carrying out audio playing on the PCCP broken wire characteristics and the PCCP broken wire vibration characteristics which are acquired in the basic data module;
the first learning module and the second learning module are respectively used for visualizing the voiceprint learning information of the user.
As an improvement of the PCCP steel wire breakage monitoring system, the PCCP steel wire breakage monitoring system further comprises an early warning information module connected with the system management module, the early warning information module comprises an early warning setting module and a warning output module, wherein,
the early warning setting module is used for establishing a PCCP steel wire fault type and carrying out identification judgment on the fault type of the sound event processed by the monitoring system;
the warning output module is used for outputting the sound event with the identified fault type to a third-party application for warning processing, and the third-party application comprises a scheduling background or a monitoring large screen or a mobile phone APP.
As an improvement of the PCCP steel wire breakage monitoring system of the present invention, the pipeline management module includes a pipeline numbering module, a pipeline coordinate module, a pipeline area module, and a pipeline monitoring area numbering module, and is configured to process pipeline information in a management jurisdiction;
the valve management module comprises a valve number module, a valve coordinate module, a valve area module and a valve monitoring area number module and is used for processing valve information in a management jurisdiction;
the optical fiber management module comprises an optical fiber section numbering module, an optical fiber starting coordinate module, an optical fiber ending coordinate module, a fusion point numbering module, a fusion point coordinate module and an optical fiber monitoring area numbering module and is used for processing optical fiber information in a management area;
the comprehensive module comprises a corresponding pipeline number editing module, a corresponding optical fiber number editing module, a corresponding valve number editing module, a corresponding optical fiber fusion point number editing module, a corresponding pipeline area editing module and a corresponding monitoring area number editing module, and is used for processing the received sound event according to pipeline information, valve information and optical fiber information.
As an improvement of the PCCP steel wire breakage monitoring system, the basic data module comprises a voiceprint library building module and a vibration library building module, wherein,
the PCCP broken string characteristic model established by the voiceprint library establishing module specifically comprises the following steps: the method comprises the following steps of (1) carrying out a broken wire pipeline numbering model, a voiceprint broken wire model, a broken wire pipeline modeling time model and a broken wire pipeline monitoring area numbering model;
the PCCP vibration characteristic model established by the vibration library establishing module specifically comprises the following steps: the method comprises a vibration pipeline numbering model, a broken wire vibration model, a vibration pipeline modeling time model and a vibration pipeline monitoring area numbering model.
As an improvement of the PCCP steel wire breakage monitoring system, the automatic monitoring module comprises a parameter setting module, a display setting module and a manual analysis module, wherein,
the parameter setting module is connected with the comprehensive module and is used for setting the wire breakage degree of the pipeline and the voiceprint vibration degree of the pipeline;
the display setting module is connected with the comprehensive module and is used for displaying the wire breakage and vibration fault degree of the PCCP pipeline through different color depths;
the manual analysis module is connected with the synthesis module and used for searching sound events by a user and manually selecting a single sound file or a vibration file in the sound events to analyze the pipeline fault.
As an improvement of the PCCP steel wire breakage monitoring system, the monitoring map module comprises a map module and a data amplification module, wherein,
the map module is connected with the comprehensive module and used for a user to check the pipeline distribution condition of a target area;
the data amplification module is connected with the synthesis module and is used for a user to inquire the specific data information of the pipeline in the target area.
As an improvement of the PCCP steel wire breakage monitoring system, the first learning module and the second learning module submit algorithm learning commands through a learning algorithm.
As an improvement of the PCCP steel wire breakage monitoring system, the data acquisition module acquires and detects sound events including the quantity and the speed of broken wires of a pipeline.
As a second aspect of the invention, the PCCP steel wire breakage monitoring system is applied to the technical field of PCCP pipeline breakage monitoring.
Compared with the prior art, the invention has the following beneficial effects:
1. the method comprises the steps of performing sound distributed detection based on a phi-OTDR principle, modulating continuous light generated by a light source into narrow pulses through an intensity modulator, injecting the narrow pulses into a sensing optical fiber through an optical fiber circulator, injecting backward Rayleigh scattered light into a photoelectric detector from the other end of the optical fiber circulator to detect and collect PCCP pipeline sound events, preliminarily filtering collected data through a data collection system DAQ, transmitting the sound events with suspected broken fiber characteristics to a monitoring platform through a network, and performing analysis processing, so that the method has the advantages of monitoring the phase, frequency and amplitude of sound waves at each point in a full optical fiber range, realizing rapid response demodulation of the sound waves in the full optical fiber range and ensuring high reduction degree of the detected sound waves;
2. the invention discloses the number of broken wires and the broken wire rate of each pipeline through voiceprint monitoring, and the critical broken wire number of the pipeline failure can be calculated by using a finite element, and when the number of the broken wires discovered by monitoring is close to a critical value, the system gives an alarm; or when the wire breaking of a certain pipeline is more and more frequent, the system alarms, so that the invention realizes the quick response demodulation of sound waves in the full optical fiber range and solves the problem defects in the prior art.
Drawings
FIG. 1 is a schematic flow chart of an overall control system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the operation of the acoustic sensing unit SSU according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the operation of the position sensing unit RSU according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a first scenario of a pipeline management module according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a second scenario for implementing the pipeline management module according to an embodiment of the present invention;
FIG. 6 is a diagram illustrating a third scenario for implementing the pipeline management module according to an embodiment of the present invention;
FIG. 7 is a first diagram illustrating an implementation scenario of a valve management module according to an embodiment of the present disclosure;
FIG. 8 is a diagram illustrating a second implementation scenario of the valve management module according to an embodiment of the present disclosure;
fig. 9 is a third schematic view of an implementation scenario of the valve management module according to an embodiment of the present disclosure;
FIG. 10 is a first scenario of an implementation of a fiber management module according to an embodiment of the present invention;
FIG. 11 is a second schematic diagram illustrating an implementation scenario of a fiber management module according to an embodiment of the present disclosure;
fig. 12 is a third schematic view of an implementation scenario of the optical fiber management module according to an embodiment of the present invention;
FIG. 13 is a first diagram illustrating an implementation scenario of an integration module according to an embodiment of the present disclosure;
FIG. 14 is a second exemplary scenario of an implementation of the integration module according to an embodiment of the present disclosure;
FIG. 15 is a third exemplary scenario of an implementation of the integration module in accordance with an embodiment of the present invention;
FIG. 16 is a schematic diagram of an implementation scenario of a voiceprint library building module in an embodiment of the present invention;
FIG. 17 is a schematic diagram of an implementation scenario of the vibration library building module in an embodiment of the present invention;
FIG. 18 is a first diagram illustrating an implementation scenario of a display setup module according to an embodiment of the present invention;
FIG. 19 is a diagram illustrating a second exemplary implementation scenario of the display setup module according to an embodiment of the present invention;
FIG. 20 is a first diagram illustrating an implementation scenario of a map module according to an embodiment of the present invention;
FIG. 21 is a first scenario illustrating an implementation of a data amplification module according to an embodiment of the present invention;
FIG. 22 is a first diagram illustrating an implementation scenario of a voiceprint learning module according to an embodiment of the present invention;
FIG. 23 is a second schematic diagram illustrating an implementation scenario of a voiceprint learning module in an embodiment of the invention;
FIG. 24 is a third exemplary implementation scenario of a voiceprint learning module in accordance with an embodiment of the present invention;
fig. 25 is a first schematic view of an implementation scenario of an early warning information module according to an embodiment of the present invention;
FIG. 26 is a schematic diagram of an implementation scenario of an early warning information module in an embodiment of the present invention
Fig. 27 is a third schematic view of an implementation scenario of the warning information module in an embodiment of the present invention;
fig. 28 is a fourth schematic view of an implementation scenario of the warning information module in an embodiment of the present invention;
FIG. 29 is a schematic diagram of the detection principle according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments in the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings, but the present invention is not limited thereto.
Referring to fig. 1 to 3, as an embodiment of the present invention, a PCCP steel wire breakage monitoring system includes: the data acquisition module comprises a sound sensing unit SSU and a position sensing unit RSU (road Side Unit), wherein the sound sensing unit SSU is used for continuously transmitting light signals to optical fibers in a PCCP (prestressed Concrete Cylinder pipe) pipeline and recording sound events of the light signals reflected by an optical fiber end reflector in synchronous measurement, the position sensing unit RSU transmits light pulse signals and positions the sound event positions monitored by the sound sensing unit SSU (scan and Signal Unit) according to the time of receiving reflected light, and the working principle of the data acquisition module is as follows: performing sound distributed detection based on a phi-OTDR (phase-sensitive optical time domain reflectometer) principle, modulating continuous light generated by a light source into narrow pulses through an intensity modulator, injecting the narrow pulses into a sensing optical fiber through an optical fiber circulator, injecting backward Rayleigh scattered light into a photoelectric detector from the other end of the optical fiber circulator for detection, wherein the light source used by the phi-OTDR technology is a laser light source with narrow line width and low frequency drift, pulsed light injected into the sensing optical fiber has super-strong coherence, returned Rayleigh scattered light also has super-strong coherence, and the photoelectric detector receives backward Rayleigh scattered light interference light intensity within the pulse width;
the system management module is used for receiving the sound event and analyzing and processing the sound event, wherein the system management module comprises a pipeline management module, a valve management module, an optical fiber management module and a comprehensive module, and the comprehensive module is connected with the pipeline management module and used for recording and managing pipeline information in a jurisdiction; the comprehensive module is connected with the valve management module and is used for managing valve information in the jurisdiction; the comprehensive module is connected with the optical fiber management module and is used for recording and managing optical fiber information in the jurisdiction;
the basic data module is used for establishing a voiceprint database and a vibration database for information visualization of the sound event processed by the system management module according to the PCCP broken string characteristic model and the PCCP vibration characteristic model,
the automatic monitoring module is used for monitoring the wire breakage characteristic and the vibration characteristic of the pipeline generated by the PCCP;
the monitoring map module is used for monitoring the sound event processed by the system management module based on map situation information so as to be used for a user to inquire the map condition of a target area;
the voiceprint learning module comprises a terminal acquisition module, an automatic acquisition module, a first learning module and a second learning module, wherein the terminal acquisition module is used for a user to process basic information of the monitoring system, and the basic information of the monitoring system comes from an external terminal APP; the automatic acquisition module is used for carrying out audio playing on the PCCP broken wire characteristics and the PCCP broken wire vibration characteristics which are acquired in the basic data module; the first learning module and the second learning module are respectively used for visualizing the user voiceprint learning information;
the early warning information module comprises an early warning setting module and a warning output module, wherein the early warning setting module is used for establishing a PCCP steel wire fault type and performing identification judgment on the fault type of a sound event processed by the monitoring system; the warning output module is used for outputting the sound event with the identified fault type to a third party application for warning treatment, the third party application comprises a scheduling background or a monitoring large screen or a mobile phone APP, sound distributed detection is carried out based on a phi-OTDR principle, continuous light generated by a light source is modulated into narrow pulses through an intensity modulator, the narrow pulses are injected into a sensing optical fiber through an optical fiber circulator, backward Rayleigh scattered light is injected into a photoelectric detector from the other end of the optical fiber circulator to carry out detection and collection of PCCP pipeline sound events, data acquisition system DAQ (data acquisition) is used for preliminarily filtering collected data and transmitting the sound events with suspected broken wire characteristics to a monitoring platform through a network, and the sound events are analyzed and treated, so that the invention has the advantages of monitoring the phase, frequency and amplitude of sound waves of each point in an all-fiber range, realizing quick response demodulation of the sound waves in the all-fiber range and ensuring high reduction degree of the detected sound waves And (4) point.
In an embodiment of the present invention, as shown in fig. 4 to 6, the pipeline management module includes a pipeline number module, a pipeline coordinate module, a pipeline area module, and a pipeline monitoring area number module, and is configured to process pipeline information in a management domain, a user enters the pipeline management module by clicking "system management" and "pipeline management" under a directory thereof, and the module for managing pipeline information in the management domain displays basic information of each pipeline, where the module includes: the system comprises a pipeline number, a pipeline coordinate, a pipeline area and a monitoring area number, wherein a user adds a new pipeline on the page or modifies and deletes the existing pipeline, and the corresponding pipeline can be searched through the pipeline number;
as shown in fig. 7-9, the valve management module includes a valve number module, a valve coordinate module, a valve area module and a valve monitoring area number module, and is used to process the valve information in the management domain, and the user enters the valve management module by clicking "system management" and "valve management" under the catalog thereof, and the module for managing the valve information in the management domain displays the basic information of each valve, and includes: the method comprises the following steps that a valve number, a valve coordinate, a valve area and a monitoring area number are used, and a user adds a new valve on a page or modifies and deletes the existing valve;
as shown in fig. 10 to 12, the optical fiber management module includes an optical fiber segment numbering module, an optical fiber start coordinate module, an optical fiber end coordinate module, a fusion point numbering module, a fusion point coordinate module, and an optical fiber monitoring area numbering module, and is configured to process optical fiber information in a management area, and a user enters the optical fiber management module by clicking "system management" and "optical fiber management" under a directory thereof, where the module displays basic information of an optical fiber, and includes: the system comprises an optical fiber section number field, an optical fiber starting coordinate field, an optical fiber ending coordinate field, a fusion point number field, a fusion point coordinate field and a monitoring area number field, wherein a user adds optical fibers on a page or modifies and deletes the set optical fibers;
as shown in fig. 13-15, the comprehensive module includes a corresponding pipeline number editing module, a corresponding optical fiber number editing module, a corresponding valve number editing module, a corresponding optical fiber fusion point number editing module, a corresponding pipeline area editing module and a corresponding monitoring area number editing module, and is configured to process the received sound event according to pipeline information, valve information and optical fiber information, and a user enters the comprehensive management module by clicking "system management" and "comprehensive management" under the catalog thereof, and the module associates the pipeline, the valve and the optical fiber data, and the user displays corresponding detailed information by clicking skip, including: the method comprises the steps of adding information on a page, or modifying and deleting the set information, wherein the page comprises a pipeline number, a corresponding optical fiber number, a corresponding valve number, a corresponding optical fiber fusion point number, a pipeline area and a monitoring area number field.
In an embodiment of the present invention, as shown in fig. 16 to 17, the basic data module includes a voiceprint library building module and a vibration library building module, wherein the PCCP broken string feature model built by the voiceprint library building module specifically includes: the method comprises the steps that a broken wire pipeline numbering model, a voiceprint broken wire model, a broken wire pipeline modeling time model and a broken wire pipeline monitoring area numbering model are used, a user enters a voiceprint library building module by clicking 'voiceprint library building' under a 'basic data' catalog to build various models of broken wires so as to be displayed on a page image conveniently, and displayed information comprises a pipeline number, a voiceprint broken wire model, modeling time, a monitoring area number and remarks so as to embody the broken wire characteristics of a pipeline conveniently;
the PCCP vibration characteristic model established by the vibration library establishing module specifically comprises the following steps: vibration pipeline serial number model, disconnected silk vibration model, vibration pipeline model building time model and vibration pipeline control area serial number model, the user is built the storehouse module through clicking "basic data" and "vibration under the catalogue" and is built the storehouse "and get into the vibration for set up the various situations of vibration, so that directly look over the vibration characteristic of pipeline at the demonstration of page image and user, the information that shows includes: the method comprises the following steps of pipeline numbering, a broken wire vibration model, modeling time, monitoring area numbering and remark fields.
As an embodiment of the present invention, as shown in fig. 18-20, the automatic monitoring module includes a parameter setting module, a display setting module, and a manual analysis module, the parameter setting module is connected to the synthesis module for setting the wire breakage degree and the voiceprint vibration degree of the pipeline, the user enters the parameter setting module by clicking "automatic monitoring" and "parameter setting" under the directory to set parameters such as the wire breakage degree and the voiceprint vibration degree, and in addition, the user adds parameter configuration on this page, or modifies and deletes the set parameter configuration, and modifies the corresponding parameter, clicks the application button page to jump to the monitoring interface, monitors the real-time condition of the PCCP pipeline, and clicks to stop the automatic monitoring to end the current monitoring and return to the parameter setting page;
the display setting module is connected with the comprehensive module and used for displaying the broken wire and vibration fault degree of the PCCP pipeline through different color depths, and a user enters the display setting module by clicking 'automatic monitoring' and 'display setting' under a catalogue and reflects the fault degree of the PCCP pipeline through the color and the depth of the broken wire degree;
the manual analysis module is connected with the synthesis module and used for enabling a user to search sound events, manually selecting a single sound file or a vibration file in the sound events to conduct pipeline fault analysis, enabling the user to enter the manual analysis module by clicking 'automatic monitoring' and 'manual analysis' in a directory, searching audio and vibration files according to the file directory, and manually selecting the single sound file or the vibration file to conduct analysis.
As an embodiment of the present invention, as shown in fig. 21-22, the monitoring map module includes a map module and a data amplification module, wherein the map module is connected to the synthesis module for the user to check the pipeline distribution condition of the target area, the user enters the monitoring map module by clicking the "monitoring map" and the "monitoring map" in the directory thereof for checking the map condition of the target area, when the map is initialized, the existing pipeline broken wire information is displayed on the map with the shade of color, mainly displaying the control large screen and displaying the whole xxKM pipeline GIS map, and using green to represent normal, yellow to represent mild broken wire, red to represent severe broken wire, and using shade of color to represent broken wire rate, that is, the broken wire number per week every day;
the data amplification module is connected with the comprehensive module and used for a user to inquire specific data information of the pipeline in a target area, the user enters the data amplification module by clicking a 'monitoring map' and 'data amplification' under a directory of the 'monitoring map', when the user clicks a certain pipeline, basic information of the pipeline is displayed and comprises information fields such as sections, numbers, years, broken wire records, pipeline replacement time prediction and the like, and the user can accurately know the data information of the pipeline.
As an embodiment of the present invention, as shown in fig. 23-25, the first learning module and the second learning module both submit an algorithm learning command through a learning algorithm, and based on the terminal acquisition module, the user enters the terminal acquisition module by clicking "voiceprint learning" and "terminal acquisition" in a directory thereof to browse the basic information of the existing terminal, all the basic information is transmitted from the terminal APP, and the user performs modification and deletion operations on the existing terminal information; based on the automatic acquisition module, a user enters the automatic acquisition module to display and read basic information of an acquired file by clicking 'voiceprint learning' and 'automatic acquisition' under a directory thereof, or audits acquired sound information and vibration information, and acquires the sound information and the vibration information in real time by clicking a start stop button; based on the first learning module and the second learning module, a user enters the first learning module or the second learning module by clicking the voiceprint learning and the automatic learning 1 or the automatic learning 2 under the catalogue of the voiceprint learning, and is used for submitting an algorithm learning command and displaying a progress bar and learning time.
As an embodiment of the present invention, as shown in fig. 26 to 29, based on the early warning setting module, the user enters the early warning setting module to preset a fault type by clicking the "early warning information" and the "early warning setting" in the directory thereof, and the user adds a new early warning fault type to the page, or modifies and deletes an existing early warning fault type; based on the warning output module, a user enters the warning output module and records the time, equipment, place and fault type of the fault occurrence by clicking the warning information and the warning output under the directory, meanwhile, the warning information is output to the background and displayed to a large screen or a mobile phone APP, and after the APP group follows up, the user clicks a corresponding button on the page according to the warning output information, and the wiping operation of issuing the warning or releasing the warning is executed on the corresponding mobile phone terminal.
As an embodiment of the present invention, when the frequency of the laser light source of the intensity modulator does not drift and the sensing fiber is not disturbed, the phase of the backward rayleigh scattered light along the fiber does not change, so that the time domain curves of the intensity of the collected backward rayleigh scattered light are consistent, when the fiber is disturbed by the acoustic wave, the fiber at the corresponding position is deformed, the refractive index, the length and the core diameter of the fiber are changed, and the backward rayleigh scattering rate and the phase of the backward rayleigh scattered light at the position are correspondingly changed.
The number of broken wires and the broken wire rate of each pipeline are revealed through voiceprint monitoring, the critical broken wire number of pipeline failure can be calculated by using a finite element, and when the number of broken wires discovered by monitoring is close to the critical value, a system alarms; or when the wire breaking of a certain pipeline is more and more frequent, the system alarms, so that the invention realizes the quick response demodulation of sound waves in the full optical fiber range and solves the problem defects in the prior art.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
- A PCCP steel wire breakage monitoring system is characterized by comprising:the data acquisition module comprises a sound sensing unit SSU and a position sensing unit RSU, wherein the sound sensing unit SSU is used for continuously transmitting a light signal to an optical fiber in the PCCP pipeline and recording a sound event for synchronously measuring the light signal reflected by a reflector at the tail end of the optical fiber, and the position sensing unit RSU is used for transmitting a light pulse signal and positioning the position of the sound event monitored by the sound sensing unit SSU according to the time for receiving the reflected light;the system management module is used for receiving the sound event and analyzing and processing the sound event, and comprises a pipeline management module, a valve management module, an optical fiber management module and a comprehensive module, wherein the comprehensive module is connected with the pipeline management module and is used for recording and managing pipeline information in a jurisdiction; the comprehensive module is connected with the valve management module and is used for managing valve information in the jurisdiction; the comprehensive module is connected with the optical fiber management module and is used for recording and managing optical fiber information in the jurisdiction;the basic data module is used for establishing a voiceprint database and a vibration database for information visualization of the sound event processed by the system management module according to the PCCP broken wire characteristic model and the PCCP vibration characteristic model,the automatic monitoring module is used for monitoring the wire breakage characteristic and the vibration characteristic of the pipeline generated by the PCCP;and the monitoring map module is used for monitoring the sound event processed by the system management module based on map situation information so as to be used for inquiring the map condition of the target area by a user.
- 2. The PCCP steel wire breakage monitoring system according to claim 1, further comprising a voiceprint learning module connected to the system management module, the voiceprint learning module comprising a terminal acquisition module, an automatic acquisition module, a first learning module, and a second learning module, wherein,the terminal acquisition module is used for processing basic information of the monitoring system by a user, wherein the basic information of the monitoring system is from an external terminal APP;the automatic acquisition module is used for carrying out audio playing on the PCCP broken wire characteristics and the PCCP broken wire vibration characteristics which are acquired in the basic data module;the first learning module and the second learning module are respectively used for visualizing the voiceprint learning information of the user.
- 3. The PCCP steel wire breakage monitoring system according to claim 1, further comprising an early warning information module connected to the system management module, the early warning information module comprising an early warning setting module and a warning output module, wherein,the early warning setting module is used for establishing a PCCP steel wire fault type and carrying out identification judgment on the fault type of the sound event processed by the monitoring system;the warning output module is used for outputting the sound event with the identified fault type to a third-party application for warning processing, and the third-party application comprises a scheduling background or a monitoring large screen or a mobile phone APP.
- 4. The PCCP steel wire breakage monitoring system according to claim 1, wherein the pipeline management module comprises a pipeline numbering module, a pipeline coordinate module, a pipeline area module and a pipeline monitoring area numbering module, and is used for processing pipeline information in a management district;the valve management module comprises a valve number module, a valve coordinate module, a valve area module and a valve monitoring area number module and is used for processing valve information in a management jurisdiction;the optical fiber management module comprises an optical fiber section numbering module, an optical fiber starting coordinate module, an optical fiber ending coordinate module, a fusion point numbering module, a fusion point coordinate module and an optical fiber monitoring area numbering module and is used for processing optical fiber information in a management jurisdiction;the comprehensive module comprises a corresponding pipeline number editing module, a corresponding optical fiber number editing module, a corresponding valve number editing module, a corresponding optical fiber fusion point number editing module, a corresponding pipeline area editing module and a corresponding monitoring area number editing module, and is used for processing the received sound event according to pipeline information, valve information and optical fiber information.
- 5. The PCCP steel wire breakage monitoring system according to claim 1, wherein the basic data module comprises a voiceprint library building module and a vibration library building module, wherein,the PCCP broken string characteristic model established by the voiceprint library establishing module specifically comprises the following steps: the method comprises the following steps of (1) carrying out a broken wire pipeline numbering model, a voiceprint broken wire model, a broken wire pipeline modeling time model and a broken wire pipeline monitoring area numbering model;the PCCP vibration characteristic model established by the vibration library establishing module specifically comprises the following steps: the system comprises a vibration pipeline numbering model, a broken wire vibration model, a vibration pipeline modeling time model and a vibration pipeline monitoring area numbering model.
- 6. The PCCP steel wire breakage monitoring system according to claim 1, wherein the automatic monitoring module comprises a parameter setting module, a display setting module, and a manual analysis module, wherein,the parameter setting module is connected with the comprehensive module and is used for setting the wire breakage degree of the pipeline and the voiceprint vibration degree of the pipeline;the display setting module is connected with the comprehensive module and is used for displaying the broken wire and vibration fault degree of the PCCP pipeline through different color depths;the manual analysis module is connected with the synthesis module and used for searching sound events by a user and manually selecting a single sound file or a vibration file in the sound events to analyze the pipeline fault.
- 7. The PCCP steel wire breakage monitoring system according to claim 1, wherein the monitoring map module comprises a map module and a data amplification module, wherein,the map module is connected with the comprehensive module and used for a user to check the pipeline distribution condition of a target area;the data amplification module is connected with the synthesis module and is used for a user to inquire the specific data information of the pipeline in the target area.
- 8. The PCCP steel wire breakage monitoring system of claim 2, wherein the first learning module and the second learning module both submit algorithm learning commands through a learning algorithm.
- 9. The PCCP steel wire breakage monitoring system of claim 1, wherein the data acquisition module acquires detection sound events including the number of wire breakage and the rate of the pipeline.
- 10. Use of a PCCP steel wire breakage monitoring system according to any of claims 1 to 9 in the field of PCCP pipe breakage monitoring technology.
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