CN108693553A - System is monitored based on the mine microquake of internet and supercomputer - Google Patents
System is monitored based on the mine microquake of internet and supercomputer Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 claims abstract description 55
- 238000004891 communication Methods 0.000 claims abstract description 39
- 238000009412 basement excavation Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000003993 interaction Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims 1
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- 238000005070 sampling Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000004458 analytical method Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000006870 function Effects 0.000 description 11
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- 238000005516 engineering process Methods 0.000 description 7
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- 238000005259 measurement Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007418 data mining Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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- 238000003874 inverse correlation nuclear magnetic resonance spectroscopy Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/104—Generating seismic energy using explosive charges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/22—Transmitting seismic signals to recording or processing apparatus
- G01V1/223—Radioseismic systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/30—Analysis
- G01V1/303—Analysis for determining velocity profiles or travel times
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
- G01V1/42—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators in one well and receivers elsewhere or vice versa
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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Abstract
Include the acquisition subsystem of mine excavation working face, mine down-hole communication, monitor workstation, internet system, supercomputer center and clock matches device based on the mine microquake of internet and supercomputer monitoring system;The acquisition subsystem of getting working face is made of signal gathering unit, local communication bus, power work station, acquisition workstation, signal gathering unit has independent address, major function is signal analog-to-digital conversion, data is sent to acquisition workstation in real time by fieldbus, and communication relaying action is realized at power work station;Acquisition workstation has communication network using mine and transmits the data acquired to ground monitoring work station, and monitor workstation utilizes Internet transmission data to supercomputing center;Supercomputing center completes data processing, geological analysis and hazard prediction in time, and processing, explanation results and prediction result are sent to the monitor workstation in mine, and precision time protocol keeps whole system clock consistent with clock matches device.
Description
Technical field
The present invention relates to a kind of method and systems of technical field of mine safety.Specifically, the present invention utilizes arrangement mine
The microseismic event occurred in getting working face Sensor monitoring mining, based on the Internet transmission to supercomputing center, profit
The dynamic disaster that may occur is predicted with realizations such as supercomputer processing.
Background technology
During mining, since ore body and surrouding rock stress are destroyed and elasticity occur around mine working or stope
Deformation, has been more than the brittle rock mass state of limit equilibrium that rock mass can bear high pressure, has discharged huge energy suddenly to free space, because
This and generate by drastically, it is fierce destroy characterized by dynamic phenomenon be referred to as mine power disaster, such as mine bump, emit
Top, mine shake, water damage protrusion, coal and gas prominent etc..Microseismic monitoring system is exactly a kind of timely dynamic disaster monitoring means, tool
There is the characteristics of remote, dynamic, three-dimensional, monitoring in real time, the various information after vibrations can be provided, and determine according to focus situation
Rupture size and property, have that not damage small rock mass, labor intensity, time and space continuous, can also according to focus situation into
One step analyzes the advantages that rupture size, intensity and property, can provide foundation for the mine power disaster hidden danger in range of value.
Mine microquake monitoring needs in real time, it is long-term be monitored, data volume is huge;How mass data is closed
The analyses such as connection rule, classification and prediction, cluster, and have found that it is likely that the mine power disaster of generation, supercomputing is shown in this regard
Powerful vitality is shown, and makes correct disaster diagnosis and early warning decision.
Existing mine safety hazard geophysics monitoring method generally requires three phases, i.e. field(It is outdoor)Data are adopted
Collection, house data processing, geologic interpretation and Hazard Assessment stage, mine time-consuming and laborious, can not in time to that may occur of constructing
Dynamic disaster is made prediction and is assessed, and often leads to geologic interpretation and Disaster Assessment result loses directive significance.On the other hand,
The requirement of information capacity and information processing rate is also higher and higher, everything has been well beyond conventional information processing method
Ability.
In short, traditional impact and mine power disaster prediction technique outstanding have locality, nature static, discontinuity and
Hysteresis quality, data volume are small, and the not abundant feature of information needs the introducing of new technology to solve the problem above-mentioned.
Invention content
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide one kind based on internet with it is super
The mine power disaster monitoring and pre-warning system and method for computer is capable of the acquisition magnanimity monitoring data of real-time more observation points, and
Send data to supercomputer handled, processed, inverting, geologic interpretation and the possible safety accident of prediction, realize real
When analysis and diagnosis mine power Catastrophe Process, and to mine power disaster carry out early warning.
In order to achieve the above object, the present invention adopts the following technical scheme that.
System is monitored based on the mine microquake of internet and supercomputer, including is used for mine excavation working face microseism prison
Collection in worksite subsystem, mine down-hole communication subsystem, monitor workstation, internet system and the supercomputer center of survey and
Clock matches device etc..
The collection in worksite subsystem of the mine excavation working face micro seismic monitoring includes signal gathering unit, power supply
Work station, acquisition workstation and fieldbus etc..
The signal gathering unit is the device of entire acquisition system most leading portion, has communication and independent address, arrangement
It monitors around region.Signal gathering unit is to ensure that long-time, stable and high s/n ratio acquire the important of microseism conversion signal
Module, most cases need in embedded rock stratum, mainly using microcontroller as core, integrated analog-to-digital conversion information, simple component or three points
Broadband vibration signal sensor and pressure sensor and attitude transducer, field bus communication protocol chip are measured, is realized
Larger Dynamic range, high s/n ratio, broadband measurement microseismic signals, crustal stress variation and acquisition angles posture, and in real time will acquisition
Data transmission to power work station or acquisition workstation.
The microcontroller of the signal gathering unit is realized with acquisition workstation using IEEE1588 precision time protocols
Reach the master-slave synchronisation precision of subnanosecond grade between system, realizes the clock consistency requirement of microseism data acquisition.Major function packet
It includes:Receive the microseismic signals of mine excavation working face;Convert analog signals into digital signal;Pass through communication cable and the electricity
Source work station or acquisition workstation connection, are sent to acquisition workstation by gathered data in real time(Or there is power station).Its technology refers to
It marks and includes mainly:1. broadband is -2000Hz, dynamic range 20db, high sensitivity(<0.5mg ranks)Microseism sensing
Technology;2. integral protection grade reaches IP7 or more, reach intrinsic safety requirement, adapts to mine gas aggregation, moist working environment;
3. simple component can be carried out or three-component microseismic activity measures and the measurement of other parameters, such as:The posture level of sensor, angle etc.;
4. signal-to-noise ratio is more than 95dB;5. with acquisition workstation or power work station clocking error Fan Wei <0.2us;6. from fieldbus from
Power for operation required for acquisition workstation or power work station obtain, and collecting work is transferred data to by fieldbus
It stands;7. receiving the instruction of acquisition workstation, has the function of self-test etc. etc.;8. there is unique address, and according to instruction setting pair
Observation system number answered etc..
The power work station is to extend more signal gathering units for collection in worksite subsystem.Due to collection in worksite
The communication system of subsystem is powered using supporting bus and essential safety field bus technique, therefore the signal of fieldbus load
Collecting unit is no more than 127 websites and communication distance is no more than the length of 2500m, therefore power work station is to on-site data gathering
Subsystem load ability and communication distance are extended, and, communication temporary with data relays and be signal gathering unit power supply
Effect.Concrete function includes:1. powering for fieldbus;2. the communication of acquisition workstation and signal gathering unit relays;3. number
According to temporary;3. extending signal gathering unit.
The acquisition workstation is the control centre of collection in worksite subsystem, can freely arrange underground Anywhere.
Major function includes:It is the data that signal gathering unit acquisition was powered and received to signal gathering unit using fieldbus;It receives
The signal gathering unit of the instruction and management arrangement working face of ground monitoring work station;The initial data of acquisition is sent to monitoring
Work station;A variety of communications protocol conversions, realizes the matching etc. for having communication network with mine.Acquisition workstation also has power supply work
Make the function of standing, i.e., data are temporary, communicate the function of relaying and power for signal gathering unit.Concrete function includes:1. can be straight
It connected fieldbus to connect with signal gathering unit and real-time communication, field bus communication speed 10M or more;2. passing through power supply
Work station relaying can infinite expanding;3. receiving the work order from ground monitoring work station;4. there is black box function, store
Kong Jian >128G, if after monitor workstation is out of touch, being able to record a certain amount of data);5. being incorporated to using communications protocol conversion
The existing communication network in mine or monitoring system;6. same using clock matches device and the clock of monitor workstation or calculating center
Step, Wu Cha <0.5us;6. with the interface for receiving other geophysical field signal elements.
The local communication bus is communication and power supply one, is in the basic communication network of collection in worksite equipment,
Asking has the characteristics that agreement is simple, fault-tolerant ability is strong, safety is good, at low cost, has higher real-time performance, also has network
The features such as load stabilization is the short frame transmission of 8bit, information exchange is frequent.Such as scene CAN, deviceNet, Industrial Ethernet is total
Line technology.
Collection in worksite subsystem can extend acquisition workstation, power work station and signal acquisition by field bus technique
Unit is connected as the structure microseism acquisition network such as topology network architecture, and adapts to mine rugged environment requirement, to realize
Data communication, real-time response, essential safety, total can be had with the collection in worksite subsystem of complete independently acquisition tasks by being integrated into
The features such as line is powered so that point layout is very flexible.
The mine down-hole communication subsystem is the existing monitoring in mine or communication network, such as optical fiber, Ethernet, nothing
Need to be that Microseismic monitoring system additional investment builds communication system, but requires to be digital communication technology, and broadband reaches 1M or more.
The ground monitoring work station is the higher computer workstation of performance, is mainly arranged in control room, passes through mine
Mountain downhole communication subsystem becomes mine area monitoring system with collection in worksite subsystem, and major function includes:1. pair mine
All acquisition workstations in mountain area domain effectively manage, and receive the data of acquisition workstation transmission and send relevant instruction;And
It is effectively controlled with to signal gathering unit, power work station by acquisition workstation;2. passing through internet and supercomputing center
Connection exchanges data with supercomputing center and transmits the data of monitoring and receive by calculating center feedback result in real time;3. note
Record, analysis data, realize traditional geophysics processing and imaging, Mine Safety Technology personnel monitoring, human-computer interaction, display or
Printing etc.;4. can be used as a calculate node of supercomputing center, processing data are cooperateed with supercomputing center.
The supercomputer is generating date, analysis and the ground for realizing whole mine microquake monitoring system acquisition
The center of matter interpretation, major function:1. receiving the monitoring data transmitted from mine supervision work station;2. multi-source data melts
It closes, processing, analyze mass data;3. geophysics modeling, FORWARD AND INVERSE PROBLEMS calculate;4. geology tomography, hazard prediction, decision and
Handling result is fed back to mine supervision work station by early warning;5. user can pass through access to the Internet supercomputer.
The clock matches device is mainly arranged in calculating center, monitoring station, acquisition workstation, and major function is
Realize entire monitoring system clock consistency or acquisition signal simultaneously match.Since micro- seismic wave propagation is letter related to time
Number, therefore entire measuring device needs Shi Zhongwucha <5us, and the clock crystal oscillator of different nodes will produce clock caused by drift
It is inconsistent, it is therefore desirable to which that special clock matches device eliminates crystal oscillator clock drifting problem, and the clocking error of different nodes is made to meet
Microseism acquisition requires, by clock matches so that monitoring the topological network time based on the mine microquake of internet and supercomputer
Precision will reach the error range of 5us.When GPS time services can be utilized to obtain the monitoring station on ground, supercomputing center
Clock consistency matches, and down-hole mining working face then uses atomic clock to obtain clock consistency matching, automatic by fieldbus
Realize the clock consistency matching of unlike signal collecting unit.Clock matches device technique index request:1. being missed with the standard time
SP[I <50ns;2. sending out matched signal, i.e. 1-10s sends synchronization pulse.
Description of the drawings
Fig. 1 is to monitor system architecture schematic diagram based on the mine microquake of internet and supercomputer.
Fig. 2 is mine region Microseismic monitoring system schematic diagram.
Fig. 3 is signal gathering unit structural schematic diagram.
In Fig. 1:1, signal gathering unit;2, local communication bus;3, power work station;4, acquisition workstation;5, digging
Working face;6, Mine Communication system;7, mine control room;8, ground monitoring work station;9, internet;10, in supercomputing
The heart;11, clock matches device.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below by drawings and examples to the present invention
Technical solution be described in further detail.
Fig. 1-Fig. 3 is that the present invention is based on the preferred embodiments that the mine microquake of internet and supercomputer monitors system.
Present invention firstly provides a kind of acquisition subsystems of mine excavation working face, as shown in Fig. 2, collection in worksite subsystem
System includes signal gathering unit 1, local communication bus 2, power work station 3, acquisition workstation 4, collection in worksite subsystem arrangement
Around getting working face 5.If increasing storage and human-computer interaction configuration to acquisition workstation, the subsystem itself is one only
Vertical Microseismic monitoring system.
If the present embodiment carries out conventional micro seismic monitoring, method packet only with the collection in worksite subsystem of mine excavation working face
Include following steps.
(a) according to the geological conditions and exploitation situation for intending monitoring mine region, the arrangement of the Microseismic monitoring system is determined
The quantity of scheme and signal gathering unit 1, power work station 3, and suitable position is selected to place acquisition workstation 4.
(b) it is punched in the rock stratum of determining microseism measurement point position according to arrangement, signal gathering unit 1 is embedding
Enter in hole, and rock stratum close-coupled is allowed to using gypsum etc..
(c) it will be connected between signal gathering unit 1 and acquisition workstation 4 successively, or signal gathering unit 1 passed through
It is connected between power work station and acquisition workstation 4, to constitute the microseism acquisition system at a mine excavation working face scene,
IEEE1588 precision time protocols are used between the acquisition workstation 4 and signal gathering unit 1 of mine scene microseism acquisition system
So that all clock signals of network reach the master-slave synchronisation precision of subnanosecond grade.
(d) live microseism acquisition system is debugged, it is ensured that each operational module can work normally, and monitoring index is arranged
Relevant parameter.
(e) fixed point explosion bulge test is carried out in underworkings, the rock stratum seismic wave velocity value in monitoring region is calculated, by value of wave speed
Basic data as mine microquake monitoring.
(f) when acquisition workstation 4 records the rock masses fracturing shake wave energy and first arrival that each collecting unit 1 receives, root
Seismic wave velocity value is obtained according to step (e) the fixed point explosion bulge test, calculates rupture vibrations occur for rock mass position coordinates and energy
Amount.
Above-mentioned (a) ~ (f) steps complete the construction of conventional mine power disaster micro seismic monitoring.
In conjunction with Mine Communication system 6, the ground monitoring work station 8 in arrangement mine control room 7, internet 9, supercomputing
Center 10, clock matches device 11 and the implementation mine power disaster of the present invention based on internet and supercomputer are micro-
Monitoring system is shaken, method includes the following steps.
(g) collection in worksite work station 4 has communication network protocol progress protocol conversion according to mine so that mine excavation
The microseism acquisition subsystem of working face can carry out data exchange with ground monitoring work station 8, can be in time by prison in order to reach
The data transmission of survey to ground monitoring work station 8, the mine have communication network broadband should be greater than 1M,.
(h) consistency can be carried out with GPS time service devices and underground atomic clock device to the clock matches device on ground
Calibration, that is, the every 1 ~ 10s of all clock matches devices used synchronize the pulse signal sent.
(i) clock matches device is connected to collection in worksite work station 4 and constitutes mine region with ground monitoring work station 8
Microseismic monitoring system.
(j) clock matches device is connected to supercomputing center 10, using existing internet by ground monitoring work
Work station 8 connects and composes of the present invention based on the monitoring of the mine microquake of internet and supercomputer with supercomputing center 10
System.
(k) microseism data of acquisition is sent to supercomputing center by mine, and supercomputing center is completed data and melted in time
Conjunction, processing and geological analysis, and mine working face may be occurred in time using intelligent algorithms such as machine learning, data minings
Dynamic disaster carries out early warning analysis, and analysis result is resent to ground monitoring work station.
Above-mentioned supercomputer 10 can be connected multiple mine regions Microseismic monitoring system using internet,
The mine power disaster that monitoring in real time, processing, analysis and the multiple mines of early warning may occur.
Above-described specific implementation mode has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
It describes in detail bright, should be understood that:The foregoing is merely the specific implementation modes of the present invention, are not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in
Within protection scope of the present invention.
Claims (6)
1. monitoring system based on the mine microquake of internet and supercomputer, it is characterised in that:Including mine excavation working face
Collection in worksite subsystem, mine down-hole communication subsystem, monitor workstation, internet system and supercomputer center and when
Clock coalignment;The collection in worksite subsystem of wherein mine excavation working face includes signal gathering unit, power work station, acquisition
Work station and fieldbus;The data of acquisition are utilized the existing communication network in mine by the acquisition subsystem of mine excavation working face
It is sent to ground monitoring work station, monitor workstation is sent to supercomputing center using internet, and supercomputing center is complete
It works at data processing, GEOLOGICAL INTERPRETATION and hazard prediction, and result is back to monitor workstation.
2. according to the collection in worksite subsystem of the mine excavation working face described in claim 1, it is characterised in that:Fieldbus
It is collecting unit power supply and data communication by power work station or acquisition workstation, and adopt using power supply and the integrated agreement of communication
It is synchronized with high-accuracy network time service IEEE1588 protocol realizations signal gathering unit, power work station, acquisition workstation clock;It adopts
Collect work station by store and human-computer interaction function extension can complete independently working face mine power disaster micro seismic monitoring.
3. monitoring system based on the mine microquake of internet and supercomputer according to described in claim 1, feature exists
In:GPS time dissemination systems can be used in terrestrial clock coalignment, and underground acquisition workstation uses atomic clock mechanisms, clock matches
Every 1 ~ the 10s of device sends lock-out pulse, using clock matches device the acquisition workstation of collection in worksite subsystem, ground is supervised
Control work station reaches that cycle accurate is consistent with supercomputer center, and the high-precision of the collection in worksite subsystem of getting working face is awarded
Shi Xieyi, so that whole system is consistent to clock.
4. monitoring system based on the mine microquake of internet and supercomputer according to claim 1-3, feature exists
In:The acquisition workstation of the collection in worksite subsystem of getting working face is existing logical by communications protocol conversion access mine down-hole
Interrogate network.
5. monitoring system based on the mine microquake of internet and supercomputer according to described in claim 1, feature exists
In:It can make data sampling and processing, GEOLOGICAL INTERPRETATION integration using supercomputing center, predict that mine may occur in time
Dynamic disaster.
6. monitoring system based on the mine microquake of internet and supercomputer according to described in claim 1, feature exists
In:The microseismic event in multiple mines can be monitored simultaneously using supercomputing center.
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Cited By (5)
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| CN109855974A (en) * | 2019-02-27 | 2019-06-07 | 重庆大学 | Cover stress and deformation characteristic test method based on analog simulation pilot system |
| CN110146917A (en) * | 2019-05-14 | 2019-08-20 | 天地科技股份有限公司 | A kind of mining Microseismic monitoring system |
| CN111064540A (en) * | 2019-12-31 | 2020-04-24 | 河南理工大学 | Mine micro-earthquake monitoring clock synchronization device and method |
| CN114124277A (en) * | 2021-10-28 | 2022-03-01 | 康威通信技术股份有限公司 | Time service system and method based on local bus between terminals |
| WO2023061513A1 (en) * | 2022-03-30 | 2023-04-20 | 河南理工大学 | Interconnected mine water inrush disaster micro-seismic monitoring system |
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