CN114295151A - Distributed optical fiber remote online real-time monitoring and early warning system - Google Patents
Distributed optical fiber remote online real-time monitoring and early warning system Download PDFInfo
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Abstract
The invention discloses a distributed optical fiber remote online real-time monitoring and early warning system, which comprises: the system comprises a power supply distribution subsystem, a multi-field source data body acquisition subsystem, a data processing subsystem and an early warning subsystem; the power supply distribution subsystem is divided into a solar power supply module, a mine power supply module or a life power supply module according to different work areas; the multi-field source data acquisition subsystem comprises a computer end, a distributed optical fiber tester, an optical port switch and various optical cables of different types; the distributed optical fiber tester carries a plurality of optical cables of different types through the optical port switch; the data processing subsystem is used for receiving, reading and analyzing the data transmitted by the computer end and outputting a data analysis result to the early warning subsystem; the early warning subsystem is used for generating corresponding early warning information according to the data analysis result. The invention can supply power according to the specific work area, has convenient power supply, can automatically switch the optical cable, improves the testing efficiency, and simultaneously improves the real-time transmission of data.
Description
Technical Field
The invention relates to the technical field of intelligent detection, in particular to a distributed optical fiber remote online real-time monitoring and early warning system.
Background
The distributed optical fiber sensing test technology utilizes optical fibers as sensing and transmission units so as to obtain distribution information of measured physical quantities (strain and temperature) on time and space. To a certain extent, the distributed optical fiber realizes distributed and real-time dynamic monitoring, and makes up the defects of the conventional point type sensing unit; meanwhile, the optical fiber is based on pump light as a signal source and is not interfered by electromagnetic signals, so that the survivability of the sensing unit is guaranteed. In recent years, distributed optical fiber testing technology has been gradually applied to slope management, tunnel, bridge and pile structural tests and the like. For optical fiber testing and research in mining, fire monitoring and surrounding rock deformation measurement are mostly focused.
However, in the engineering geologic body structure health monitoring system, a plurality of problems are still found to be urgently solved. Firstly, a power supply is not arranged in the optical fiber demodulator, a large-capacity battery is required to be carried for power supply, but the power supply time is short, the voltage is unstable, and internal components are easy to damage; secondly, data acquisition is mostly manually carried out, time and labor are consumed, and the data volume is difficult to meet the current intelligent trend requirement; thirdly, most of the optical fiber demodulators are single-ended interfaces, but a plurality of optical cables are arranged in the structure body, so that in data acquisition, different optical cables need to be replaced manually to be connected with the demodulators, and the optical cable connectors can be damaged in the past, so that the data quality is influenced; fourthly, data storage and calling still stay in an artificial stage, so that the real-time performance is low, and the monitoring requirement of the engineering geologic body is difficult to meet; fifthly, the automation degree of the construction health risk early warning of the engineering geologic body is low, and the feedback is lagged.
Therefore, the current engineering geologic body structure health monitoring system cannot meet the requirements of the artificial intelligence big data era, and the intellectualization, automation, instantaneity and the like of the system are all to be improved.
Disclosure of Invention
In view of this, the invention provides a distributed optical fiber remote online real-time monitoring and early warning system, which can perform corresponding power supply allocation according to a specific work area, is convenient to supply power, can automatically switch optical cables, improves the testing efficiency, and simultaneously improves the real-time transmission of data.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a long-range online real-time supervision early warning system of distributing type optic fibre, includes: the system comprises a power supply distribution subsystem, a multi-field source data body acquisition subsystem, a data processing subsystem and an early warning subsystem;
the power supply distribution subsystem supplies power to the multi-field source data volume acquisition subsystem and is divided into a solar power supply module, a mine power supply module or a life power supply module according to different work areas;
the multi-field source data volume acquisition subsystem comprises a computer end, a distributed optical fiber tester, an optical port switch and various optical cables of different types; the distributed optical fiber tester carries the optical cables of different types through the optical port switch; the computer end is respectively in communication connection with the distributed optical fiber tester and the data processing subsystem;
the data processing subsystem is used for receiving, reading and analyzing the data transmitted by the computer terminal and outputting a data analysis result to the early warning subsystem;
the early warning subsystem is in communication connection with the data processing subsystem and is used for generating corresponding early warning information according to the data analysis result.
Preferably, in the distributed optical fiber remote online real-time monitoring and early warning system, the solar power supply module comprises a solar cell panel, an inverter and a first voltage stabilizer which are connected in sequence; the inverter is used for boosting the voltage generated by the solar panel into 220V alternating current; and the first voltage stabilizer is used for performing voltage stabilization control on the voltage output by the inverter and then supplying power to the multi-field-source data body acquisition subsystem.
Preferably, in the distributed optical fiber remote online real-time monitoring and early warning system, the mine power supply module includes a mine power supply, a voltage converter and a second voltage stabilizer; the voltage converter is used for reducing the high voltage generated by the mining power supply into 220V alternating current; and the second voltage stabilizer is used for performing voltage stabilization control on the voltage output by the voltage converter and then supplying power to the multi-field-source data volume acquisition subsystem.
Preferably, in the distributed optical fiber remote online real-time monitoring and early warning system, the life power supply module includes an alternating current output end and a third voltage stabilizer; the alternating current output end is connected with a mains supply and outputs 220V alternating current; and the third voltage stabilizer is used for performing voltage stabilization control on the voltage output by the alternating current output end and then supplying power to the multi-field-source data-volume acquisition subsystem.
Preferably, in the above distributed optical fiber remote online real-time monitoring and early warning system, the distributed optical fiber tester includes an optical fiber bragg grating analyzer, a brillouin scattering optical time domain reflectometer, a brillouin optical time domain analyzer, and a brillouin scattering optical frequency domain analyzer; the fiber Bragg grating analyzer, the Brillouin scattering optical time domain reflector, the Brillouin optical time domain analyzer and the Brillouin scattering optical frequency domain analyzer are respectively connected with the optical port switch through optical cable jumpers.
Preferably, in the distributed optical fiber remote online real-time monitoring and early warning system, the optical cables of different types include a strain optical cable, a temperature optical cable and a displacement optical cable; the strain optical cable, the temperature optical cable and the displacement optical cable are embedded in the corresponding detection target areas, and lead connectors of the strain optical cable, the temperature optical cable and the displacement optical cable are respectively connected with the optical port switch in a pluggable and electric manner to form a plurality of different data transmission channels; the optical port switch is used for switching the plurality of different data transmission channels.
Preferably, in the above distributed optical fiber remote online real-time monitoring and early warning system, the data processing subsystem includes a plurality of first PC terminals; one of the first PC ends is in communication connection with the computer end through a 5G network, and data sharing is performed among the first PC ends through a local area network.
Preferably, in the distributed optical fiber remote online real-time monitoring and early warning system, the early warning subsystem comprises a second PC terminal and an intelligent screen; the second PC end is in communication connection with the data processing subsystem through the Internet network; the intelligent screen is in communication connection with the second PC terminal through a local area network and is used for dynamically displaying the early warning information in real time.
Preferably, in the distributed optical fiber remote online real-time monitoring and early warning system, the early warning subsystem further comprises a mobile terminal; and the mobile terminal is in communication connection with the second PC terminal through a 5G network.
Preferably, in the above distributed optical fiber remote online real-time monitoring and early warning system, the computer end is in communication connection with the distributed optical fiber tester through a local area network.
Compared with the prior art, the distributed optical fiber remote online real-time monitoring and early warning system has the following beneficial effects that:
1. the invention provides various power supply allocation solutions according to different work areas, the power supply is more convenient and flexible, the problem that the power supply allocation of the existing distributed optical fiber instrument in a specific work area is inconvenient is solved,
2. the invention adopts a mode of combining a 5G network, an Internet and a wireless local area network, so that the information transmission is faster and more convenient, the functions of automatic sensing, active analysis and intelligent early warning are conveniently realized, the emergency command speed is effectively improved, and the emergency time is greatly shortened.
3. The invention effectively overcomes the defect of single-end test interface of the existing distributed optical fiber tester, does not need to replace different optical cables for single data acquisition, realizes automatic connection of different optical cables and the distributed optical fiber tester by simultaneously connecting a plurality of different types of optical cables into the optical port switch and internally switching, improves the test efficiency and reduces human errors caused by manually switching the optical cables.
4. According to the invention, various types of optical cables are buried aiming at different types of test work areas, so that the functions of automatic acquisition and real-time transmission of multi-field source data bodies are realized, on one hand, the data volume is improved, and data support can be provided for reconstruction and inversion of a deformation field of an engineering geological body; on the other hand, the defect of single physical field test is overcome, multiple fields are mutually verified, the data interpretation precision is improved, and the false alarm rate is effectively reduced.
5. The intelligent monitoring system is simple in structure, reasonable in design and simple and convenient to use and operate, can effectively solve the problems of power supply, data acquisition, data transmission, data processing and analysis, real-time early warning and the like in the existing monitoring, and further improves the intelligent and automatic degree.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a distributed optical fiber remote online real-time monitoring and early warning system provided by the present invention;
FIG. 2 is a schematic diagram of a power distribution subsystem according to the present invention;
FIG. 3a is a schematic structural diagram of a multi-field data volume acquisition subsystem provided by the present invention applied in a tunnel wall monitoring aspect;
FIG. 3b is a schematic structural diagram of a multi-field data volume acquisition subsystem applied to monitoring slope stability according to the present invention;
fig. 3c is a schematic structural diagram of the multi-field-source data volume acquisition subsystem applied to the monitoring of the deformation of surrounding rock on the mine excavation working face;
fig. 3d is a schematic structural diagram of the multi-field source data volume acquisition subsystem provided by the present invention applied to monitoring of surface subsidence deformation;
FIG. 4 is a schematic diagram of a data processing subsystem and a connection relationship between the data processing subsystem and a multi-field source data volume acquisition subsystem according to the present invention;
fig. 5 is a schematic diagram of the early warning subsystem and the connection relationship between the early warning subsystem and the data processing subsystem provided by 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention discloses a distributed optical fiber remote online real-time monitoring and early warning system, which includes: the system comprises a power supply distribution subsystem 1, a multi-field source data body acquisition subsystem 2, a data processing subsystem 3 and an early warning subsystem 4;
the power supply distribution subsystem 1 supplies power to the multi-field source data body acquisition subsystem 2, and is divided into a solar power supply module 11, a mine power supply module 12 or a life power supply module 13 according to different work areas;
the multi-field source data acquisition subsystem 2 comprises a computer end 201, a distributed optical fiber tester, an optical port switch 202 and various optical cables of different types; the distributed optical fiber tester carries a plurality of optical cables of different types through the optical port switch 202; the computer end 201 is respectively in communication connection with the distributed optical fiber tester and the data processing subsystem 3;
the data processing subsystem 3 is used for receiving, reading and analyzing the data transmitted by the computer terminal 201 and outputting a data analysis result to the early warning subsystem 4;
the early warning subsystem 4 is in communication connection with the data processing subsystem 3 and is used for generating corresponding early warning information according to the data analysis result.
In a specific embodiment, as shown in fig. 2, the solar power supply module 11 includes a solar cell panel 111, an inverter 112 and a first voltage regulator 113 connected in sequence; the inverter 112 is used for boosting the voltage generated by the solar panel 111 into 220V alternating current; the first voltage stabilizer 113 is used for performing voltage stabilization control on the voltage output by the inverter 112 and then supplying power to the multi-field source data volume acquisition subsystem 2.
The mine power supply module 12 comprises a mine power supply 121, a voltage converter 122 and a second voltage stabilizer 123; the voltage converter 122 is used for reducing the high voltage generated by the mining power supply into 220V alternating current; the second voltage stabilizer 123 is configured to perform voltage stabilization control on the voltage output by the voltage converter 122, and then supply power to the multi-field-source data volume acquisition subsystem 2.
The life power supply module 13 comprises an alternating current output end 131 and a third voltage stabilizer 132; the alternating current output end 131 is connected with commercial power and outputs 220V alternating current; the third voltage stabilizer 132 is configured to perform voltage stabilization control on the voltage output by the ac output terminal, and then supply power to the multi-field-source data volume acquisition subsystem 2.
The embodiment is divided into three types according to different work area environments, when a test work area is located in the field and a test object is engineering geological disasters such as a side slope, ground surface subsidence and the like, the solar power supply module 11 is adopted for supplying power because the test work area is far away from a residential area, the voltage generated by a solar panel is lower than 220 volts, usually 18/27/30/36/48 volts, and the voltage needs to be increased to 220 volts of alternating current by an inverter; when the test work area is located in the underground operation space of coal mine and other non-coal mine production resources, as the power supply voltage is higher than 220 volts, usually 660/380 volts, the mine power supply module 12 is adopted for supplying power, the voltage converter 122 is needed to reduce the voltage of 380 volts or 660 volts to 220 volts, and meanwhile, the second voltage stabilizer 123 is arranged for protecting the voltage for voltage stabilization; when the testing work area is located in the residential area, the power supply distribution problem is solved, the living power supply module 13 is used for supplying power, the 220V voltage is directly connected, and similarly, in order to protect the instrument, the front end of the testing work area needs to be provided with a third voltage stabilizer 132 for protection.
In another specific embodiment, as shown in fig. 3a-3d, the distributed fiber optic tester includes a Fiber Bragg Grating (FBG) analyzer 203, a Brillouin Optical Time Domain (BOTDR) reflectometer 204, a Brillouin Optical Time Domain (BOTDA) analyzer 205, and a Brillouin Optical Frequency Domain (BOFDA) analyzer 206; the fiber bragg grating analyzer 203, the brillouin scattering optical time domain reflectometer 204, the brillouin optical time domain analyzer 205, and the brillouin scattering optical frequency domain analyzer 206 are connected to the optical port exchanger 202 through optical fiber jumpers 207, respectively.
Different types of optical cables can be arranged according to requirements aiming at different monitoring objects, and the optical cables in different types comprise a strain optical cable 208, a temperature optical cable 209 and a displacement optical cable 210; the strain optical cable 208, the temperature optical cable 209 and the displacement optical cable 210 are embedded in the corresponding detection target areas, and lead connectors of the strain optical cable, the temperature optical cable 209 and the displacement optical cable 210 are respectively connected with the optical port switch 202 in a pluggable and electrical mode to form a plurality of different data transmission channels; the optical port switch 202 is used to switch a plurality of different data transmission channels. Detecting the target type includes: tunnel walls, slopes, mine working faces and the ground.
After the optical cable is buried in the detection target area, the optical cable lead connectors are respectively inserted into the optical port switch 202, the optical port switch 202 aims to automatically switch different channels, data acquisition of optical cables of different types is completed on the premise that the optical cable connectors are prevented from being plugged and unplugged for multiple times, and then the distributed optical fiber testing instrument is connected with the optical port switch by using the optical cable jumper 207. The steps not only finish the connection of the distributed optical fiber testing instrument and the multi-type special optical cable. Under the condition that the acquisition system is completely arranged, the computer end 201 is connected with the distributed optical fiber testing instrument through the local area network, so that acquisition commands can be issued to the distributed optical fiber testing instrument, and acquisition of different types of data is completed.
Advantageously, the computer 201 is communicatively connected to the distributed optical fiber tester via a local area network.
Wherein, the strain optical cable 208 is used for testing a strain field, the temperature optical cable 209 is used for testing a temperature field and a seepage field, and the displacement optical cable 210 is used for testing a displacement field.
The following description will be given taking monitoring of surface subsidence deformation as an example.
The coal seam mining causes the overlying rock mass to collapse, sink and deform, so that the ground surface sinks to form a ground surface subsidence area. And performing vertical drilling on the earth surface, wherein the final hole is a certain distance away from the upper part of the coal seam roof, and different types of optical cables are arranged in the final hole and the hole, so that dynamic data such as strain, displacement, temperature, seepage field and the like of the rock stratum in the range of the collapse area can be obtained. Thus providing basic data support for the settlement rule summary.
Aiming at the surface subsidence deformation test, different types of optical cables are arranged in the vertical ground surface drill holes according to requirements, the optical cables are buried in the detection target area, the optical cable lead connectors are respectively inserted into the optical port switch, the optical port switch aims at automatically switching different channels, data acquisition of the optical cables of different types is completed on the premise of avoiding repeatedly plugging and unplugging the optical cable connectors, and then the distributed optical fiber testing instrument is connected with the optical port switch by utilizing an optical cable jumper. The steps are used for completing the connection of the distributed optical fiber testing instrument and the multi-type special optical cable, and under the condition that the distribution of the multi-field source data body acquisition subsystem is completed, the third PC end is connected with the distributed optical fiber testing instrument through the local area network, so that acquisition commands can be issued to the distributed optical fiber testing instrument, and the acquisition of different types of data can be completed.
As shown in fig. 4, the data processing subsystem 3 includes a plurality of first PC terminals 301; one of the first PC ends is in communication connection with the computer end through a 5G network, and data sharing is carried out among the first PC ends through a local area network.
Each first PC end 301 mountable is in the researcher office area, work area collection system lays the completion back, establish communication connection through one of them first PC end 301 and multi-field source data body collection subsystem 2, issue the data acquisition order, the data acquisition completion back is gathered to multi-source data body collection subsystem 2, issue the data by first PC end 301 again and transfer the order, read first PC end 301 with on-the-spot multi-source data body, this process has realized the automatic acquisition, real-time transmission and the reading of the data body promptly. After the data are read to the first PC end 301, the data are shared to other indoor first PC ends in real time through a local area network established indoors to process and analyze the multi-source data, the data are automatically analyzed through relevant existing software during processing, achievement diagrams such as a strain field, a displacement field, a temperature field and a seepage field are derived in real time, and the data processing subsystem is beneficial to achieving automatic analysis of the multi-source data.
The output parameters of the distributed optical fiber tester need to be decoded first, the source file in the format of (sat) is converted into the format of (xls) by using analysis software matched with the tester for the decoded data, abnormal data is eliminated, and then related data processing and analysis are performed, the processing methods are different for different field source data bodies, and the specific processing and analysis processes of the data are as follows:
1. strain field data processing and analysis
The data acquired by the strain optical cable is optical cable Brillouin frequency shift, the Brillouin frequency shift is in positive correlation with strain, and the strain value of any point along the optical cable can be obtained according to the formula (1).
vB(ε)＝Cε·Δε (1)
Wherein v isBRepresenting a brillouin spectrum; cεThe ratio of Brillouin frequency shift to temperature is the temperature coefficient; Δ ε is the amount of strain change, i.e., the single measurement of strain.
The strain variation of each point along the optical cable can be determined according to the formula (1), and when some point in the area is subjected to strain variation, a strain abnormal area can be obtained through the special strain optical cable.
2. Temperature field data processing and analysis
The data collected by the temperature optical cable is Brillouin frequency shift which is in positive correlation with the temperature, and the temperature value can be obtained according to the formula (2)
vB(T)＝CT·ΔT (2)
Wherein v isBRepresenting a brillouin spectrum; cTThe ratio of Brillouin frequency shift to temperature is the temperature coefficient; Δ T is the amount of temperature change, i.e., the single measured temperature value.
The strain variation of each point along the optical cable can be determined according to the formula (2), and when the temperature of a certain point in the area is abnormal, the strain abnormal area can be obtained through the special temperature optical cable.
3. Displacement field data processing and analysis
And if the optical cable and the rock stratum in the work area are fully coupled, the optical cable and the rock stratum can not slip off and can be seen as a whole. The axial displacement of the cable and the displacement of the rock formation at the interface may be considered equal before relative slippage between the cable and the rock formation has not occurred. One end of the optical cable is regarded as a fixed point, and the displacement expression of the whole optical cable is
Wherein d is0Taking 0m as one end position of the optical cable; diAnd taking the length of the optical cable from the other end position of the optical cable.
4. Seepage field data processing and analysis
When the seepage field changes in the test area, the temperature field of the optical cable changes to a certain extent, and the change of the flow velocity in the seepage field can be calculated through the relative change of the test temperature, as shown in formula (4),
vB(T)＝CT·ΔT
V＝ΔT/Cv (4)
wherein V is the seepage field flow velocity; cvIs a relevant fixed coefficient.
As shown in fig. 5, the early warning subsystem 4 includes a second PC terminal 401 and a smart screen 402; the second PC end 401 is in communication connection with the data processing subsystem 3 through the Internet network; the intelligent screen 402 is in communication connection with the second PC terminal 401 through the local area network and is used for dynamically displaying the early warning information in real time.
More advantageously, the early warning subsystem 4 further comprises a mobile terminal 403; the mobile terminal 403 is connected to the second PC terminal 401 through a 5G network.
After the coal seam is disturbed by manual excavation, surrounding rock masses are deformed and damaged, but the process is gradual and slow, and the changes of a strain field, a temperature field, a displacement field, a seepage field and the like in the coal seam can be monitored and early warned by monitoring the changes in the internal strain field, the temperature field, the displacement field, the seepage field and the like in the coal seam in the early stage. The data processing subsystem 3 analyzes the collected data and transmits the data to the second PC terminal 401 through the internet (the second PC terminal is installed with early warning software). The different field sources of geologic body are set with the threshold value through the analysis of just playing earlier stage to carry out dangerous grade division, for one-level risk when test data reaches a certain value, analogize in proper order according to numerical value size, will carry out real-time warning when reaching tertiary risk, and carry out dynamic real-time display on wisdom screen 402. Meanwhile, the risk information can be transmitted to the mobile terminal 403 of the risk management and control expert in real time through 5G, so that real-time effective guidance can be conducted on the site, support reinforcement preparation is made in advance, and economic loss and the like are reduced.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a long-range online real-time supervision early warning system of distributing type optic fibre which characterized in that includes: the system comprises a power supply distribution subsystem, a multi-field source data body acquisition subsystem, a data processing subsystem and an early warning subsystem;
the power supply distribution subsystem supplies power to the multi-field source data volume acquisition subsystem and is divided into a solar power supply module, a mine power supply module or a life power supply module according to different work areas;
the multi-field source data volume acquisition subsystem comprises a computer end, a distributed optical fiber tester, an optical port switch and various optical cables of different types; the distributed optical fiber tester carries the optical cables of different types through the optical port switch; the computer end is respectively in communication connection with the distributed optical fiber tester and the data processing subsystem;
the data processing subsystem is used for receiving, reading and analyzing the data transmitted by the computer terminal and outputting a data analysis result to the early warning subsystem;
the early warning subsystem is in communication connection with the data processing subsystem and is used for generating corresponding early warning information according to the data analysis result.
2. The distributed optical fiber remote online real-time monitoring and early warning system according to claim 1, wherein the solar power supply module comprises a solar panel, an inverter and a first voltage stabilizer which are connected in sequence; the inverter is used for boosting the voltage generated by the solar panel into 220V alternating current; and the first voltage stabilizer is used for performing voltage stabilization control on the voltage output by the inverter and then supplying power to the multi-field-source data body acquisition subsystem.
3. The distributed optical fiber remote online real-time monitoring and early warning system according to claim 1, wherein the mine power supply module comprises a mine power supply, a voltage converter and a second voltage stabilizer; the voltage converter is used for reducing the high voltage generated by the mining power supply into 220V alternating current; and the second voltage stabilizer is used for performing voltage stabilization control on the voltage output by the voltage converter and then supplying power to the multi-field-source data volume acquisition subsystem.
4. The distributed optical fiber remote online real-time monitoring and early warning system according to claim 1, wherein the life power supply module comprises an alternating current output end and a third voltage stabilizer; the alternating current output end is connected with a mains supply and outputs 220V alternating current; and the third voltage stabilizer is used for performing voltage stabilization control on the voltage output by the alternating current output end and then supplying power to the multi-field-source data-volume acquisition subsystem.
5. The remote online real-time monitoring and early warning system of distributed optical fiber according to claim 1, wherein the distributed optical fiber tester comprises a fiber bragg grating analyzer, a brillouin scattering optical time domain reflectometer, a brillouin optical time domain analyzer and a brillouin scattering optical frequency domain analyzer; the fiber Bragg grating analyzer, the Brillouin scattering optical time domain reflector, the Brillouin optical time domain analyzer and the Brillouin scattering optical frequency domain analyzer are respectively connected with the optical port switch through optical cable jumpers.
6. The distributed optical fiber remote online real-time monitoring and early warning system according to claim 1, wherein the plurality of different types of optical cables comprise a strain optical cable, a temperature optical cable and a displacement optical cable; the strain optical cable, the temperature optical cable and the displacement optical cable are embedded in the corresponding detection target areas, and lead connectors of the strain optical cable, the temperature optical cable and the displacement optical cable are respectively connected with the optical port switch in a pluggable and electric manner to form a plurality of different data transmission channels; the optical port switch is used for switching the plurality of different data transmission channels.
7. The distributed optical fiber remote online real-time monitoring and early warning system according to claim 1, wherein the data processing subsystem comprises a plurality of first PC terminals; one of the first PC ends is in communication connection with the computer end through a 5G network, and data sharing is performed among the first PC ends through a local area network.
8. The distributed optical fiber remote online real-time monitoring and early warning system as claimed in claim 1, wherein the early warning subsystem comprises a second PC terminal and an intelligent screen; the second PC end is in communication connection with the data processing subsystem through the Internet network; the intelligent screen is in communication connection with the second PC terminal through a local area network and is used for dynamically displaying the early warning information in real time.
9. The distributed optical fiber remote online real-time monitoring and early warning system according to claim 8, wherein the early warning subsystem further comprises a mobile terminal; and the mobile terminal is in communication connection with the second PC terminal through a 5G network.
10. The system of claim 1, wherein the computer is communicatively connected to the distributed fiber tester via a local area network.
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| CN202210055755.6A CN114295151A (en) | 2022-01-18 | 2022-01-18 | Distributed optical fiber remote online real-time monitoring and early warning system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062616A (en) * | 2010-12-14 | 2011-05-18 | 中国地质调查局水文地质环境地质调查中心 | Teletransmission-based embedded fiber bragg grating monitoring system |
| CN205066964U (en) * | 2015-08-18 | 2016-03-02 | 安徽理工大学 | Working face bottom plate gushing water temperature distribution formula monitoring system |
| CN105444804A (en) * | 2015-06-25 | 2016-03-30 | 辽宁有色勘察研究院 | Tailing pond online safety monitoring and comprehensive early-warning system |
| CN207850562U (en) * | 2017-12-26 | 2018-09-11 | 国网河南省电力公司商丘供电公司 | Multifunctional optical fiber distributed on line monitoring equipment |
| CN111462459A (en) * | 2020-04-23 | 2020-07-28 | 高立兵 | WebGIS-based mine goaf monitoring and early warning system and method |
| CN113538840A (en) * | 2021-09-17 | 2021-10-22 | 中铁第一勘察设计院集团有限公司 | Intelligent multi-factor coupling active monitoring and early warning system |
| CN217236826U (en) * | 2022-01-18 | 2022-08-19 | 安徽理工大学 | Distributed optical fiber remote online real-time monitoring and early warning system |
-
2022
- 2022-01-18 CN CN202210055755.6A patent/CN114295151A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062616A (en) * | 2010-12-14 | 2011-05-18 | 中国地质调查局水文地质环境地质调查中心 | Teletransmission-based embedded fiber bragg grating monitoring system |
| CN105444804A (en) * | 2015-06-25 | 2016-03-30 | 辽宁有色勘察研究院 | Tailing pond online safety monitoring and comprehensive early-warning system |
| CN205066964U (en) * | 2015-08-18 | 2016-03-02 | 安徽理工大学 | Working face bottom plate gushing water temperature distribution formula monitoring system |
| CN207850562U (en) * | 2017-12-26 | 2018-09-11 | 国网河南省电力公司商丘供电公司 | Multifunctional optical fiber distributed on line monitoring equipment |
| CN111462459A (en) * | 2020-04-23 | 2020-07-28 | 高立兵 | WebGIS-based mine goaf monitoring and early warning system and method |
| CN113538840A (en) * | 2021-09-17 | 2021-10-22 | 中铁第一勘察设计院集团有限公司 | Intelligent multi-factor coupling active monitoring and early warning system |
| CN217236826U (en) * | 2022-01-18 | 2022-08-19 | 安徽理工大学 | Distributed optical fiber remote online real-time monitoring and early warning system |
Non-Patent Citations (3)
| Title |
|---|
| 刘坤鹏: "《新建京石客运专线石家庄隧道工程重点技术》", 30 November 2012, 河北科学技术出版社, pages: 309 - 310 * |
| 朱萍玉: "《堤防渗漏与形变在线监测及预警技术推广及应用》", 31 May 2020, 黄河水利出版社, pages: 9 - 10 * |
| 王静: "光纤光栅多参数传感理论技术研究及在地下工程灾害监测中的应用", 《中国优秀硕士学位论文全文数据库信息科技辑》, no. 12, pages 140 - 55 * |
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