CN110146917A - A kind of mining Microseismic monitoring system - Google Patents
A kind of mining Microseismic monitoring system Download PDFInfo
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- CN110146917A CN110146917A CN201910402152.7A CN201910402152A CN110146917A CN 110146917 A CN110146917 A CN 110146917A CN 201910402152 A CN201910402152 A CN 201910402152A CN 110146917 A CN110146917 A CN 110146917A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 48
- 238000005065 mining Methods 0.000 title claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 7
- 239000003245 coal Substances 0.000 description 6
- 230000005520 electrodynamics Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000013475 authorization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000013480 data collection Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
-
- 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
- G01V1/288—Event detection in seismic signals, e.g. microseismics
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Acoustics & Sound (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Business, Economics & Management (AREA)
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Abstract
This application discloses a kind of mining Microseismic monitoring systems, comprising: wave detector, signals collecting station, time synchronization module and ground monitoring server；Wave detector is connect with signals collecting station, and wave detector is for incuding vibration signal, and signals collecting station is for acquiring vibration signal when wave detector senses vibration signal；Signals collecting station is connect with ground monitoring server, signals collecting station includes time service module, after time service module is used to carry out time service to collected vibration signal, vibration signal after time service is transmitted in ground monitoring server, ground monitoring server is used to carry out microseismic event analysis according to the vibration signal after time service；Time synchronization module is connect with time service module, and time synchronization module will be for will be synchronized in time service module the standard time.Time service is directly carried out to the vibration data of acquisition in the signals collecting station of the application, avoids time error caused by time delay and the transfer network switch on data transfer path, vibration data is improved and picks up accuracy.
Description
Technical field
This application involves technical field of mine safety, particularly with regard to a kind of mining Microseismic monitoring system.
Background technique
Bump is a kind of disaster for seriously threatening Safety of Coal Mine Production.Along with the mining rate of domestic coal mine
Increase severely year by year with mining depth, rock blast hazard grows in intensity, and causes serious casualties and property losses.But it is complete
The research of bump is but fallen behind relatively within the scope of ball, colliery scene also lacks being capable of real-time, dynamic response bump danger
Effective monitoring means of dangerous grade.
In the past 20 years, in China, extensive use is had been obtained in Microseismic monitoring system, but does not function well as guidance
Colliery scene safety in production should have an effect, reason first is that vibration data to pick up accuracy not high.Such as a kind of patent " impact
Press Real-time Detecting System for Microseism in ground " patent No. CN104574917B, it is obtained in sensor signal and there is essence with time synchronization link
Degree is not high, has an impact to the positioning accuracy of microseismic signals；Patent " a kind of Microseismic monitoring system and its clock synchronizing method " patent
Number CN107065000A, the patent is lower with data transmission link precision in signal synchronization, influences the positioning accuracy of system.
Summary of the invention
In view of this, being synchronized this application provides a kind of mining Microseismic monitoring system to the data collection terminal of underground
Time service, reduces the time error of data, to improve the accuracy of vibration data.
According to the one aspect of the application, a kind of mining Microseismic monitoring system is provided, comprising:
Wave detector, signals collecting station, time synchronization module and ground monitoring server；
The wave detector is connect with the signals collecting station, and the wave detector for incuding vibration signal, adopt by the signal
Collection station is for acquiring the vibration signal when the wave detector senses the vibration signal；
The signals collecting station is connect with the ground monitoring server, and the signals collecting station includes time service module, institute
After time service module is stated for carrying out time service to the collected vibration signal, the vibration signal after time service is transmitted to institute
It states in ground monitoring server, the ground monitoring server is used to carry out microseismic event analysis according to the vibration signal；
The time synchronization module is connect with the time service module, and the time synchronization module will be for will synchronize the standard time
To in the time service module.
Specifically, the system also includes:
Standard time server, the standard time server are connect with the time synchronization module, the standard time
Server is used to generate the standard time according to the satellite-signal of real-time reception, and the time synchronization module is also used to obtain institute
State the standard time of standard time server generation.
Specifically, the system also includes:
Floor treatment server, the floor treatment server are connect with the ground monitoring server, the ground prison
It surveys server to be also used to be transmitted to microseismic event in the floor treatment server, the floor treatment server is for handling
The microseismic event.
Specifically, the time synchronization module is connect with the time service module by RJ45 cable, the RJ45 cable packet
Clock sync signal line CLK is included, when the time synchronization module is used for the standard through the clock sync signal line CLK
Between corresponding time synchronizing signal be transmitted in the time service module.
Specifically, the signals collecting station is Mine-used I. S outstation, and the signals collecting station includes at least one,
Each signals collecting station connects at least one described wave detector.
Specifically, the signals collecting station is connect with the wave detector by communication cable.
Specifically, the wave detector includes electrodynamic type seismometer.
By above-mentioned technical proposal, a kind of mining Microseismic monitoring system provided by the present application utilizes time synchronization module pair
Time service module carries out time synchronization, to carry out time service to collected vibration signal by time service module, improves vibration signal
The accuracy of label time carries out microseismic event point so that the vibration signal after time service is transmitted in ground monitoring server
Analysis avoids leading to not because of vibration signal time service inaccuracy accurately finding the microseismic event in mine.And in the micro- of the prior art
It shakes in monitoring system, is all first to acquire data and then be uploaded to behind ground to carry out time service to data again or purely issue by network
Time data, therefore there are inevitable time delay error, the interior vibrations to acquisition of the embodiment of the present application signals collecting station
Data directly carry out time service, avoid the mistake of time caused by time delay and the transfer network switch on data transfer path
Difference improves vibration data and picks up accuracy.
Above description is only the general introduction of technical scheme, in order to better understand the technological means of the application,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the application can
It is clearer and more comprehensible, below the special specific embodiment for lifting the application.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 shows a kind of structural schematic diagram of mining Microseismic monitoring system provided by the embodiments of the present application.
Appended drawing reference:
10- wave detector, 20- signals collecting station, 21- time service module, 30- time synchronization module, 40- ground monitoring service
Device, 50- standard time server, 60- floor treatment server.
Specific embodiment
The application is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
A kind of mining Microseismic monitoring system is provided in the present embodiment, as shown in Figure 1, the system includes:
Wave detector 10, signals collecting station 20, time synchronization module 30 and ground monitoring server 40；Wave detector 10 and letter
Number acquisition station 20 connects, and wave detector 10 is used to sense vibration in wave detector 10 for incuding vibration signal, signals collecting station 20
Vibration signal is acquired when signal；Signals collecting station 20 is connect with ground monitoring server 40, and signals collecting station 20 includes time service mould
Vibration signal after time service is transmitted to ground after time service module 21 is used to carry out time service to collected vibration signal by block 21
In monitoring server 40, ground monitoring server 40 is used to carry out microseismic event analysis according to the vibration signal after time service；Time
Synchronization module 30 is connect with time service module 21, and time synchronization module 30 will be for will be synchronized in time service module 21 standard time.
Technical solution by applying this embodiment, wave detector 10 is distributed in any position in mine, such as is mounted on
Vibration signal etc. of the coal rock layer to incude coal rock layer, wave detector 10 are connect with signals collecting station 20, when wave detector 10 senses
When vibration signal, signals collecting station 20 starts to carry out signal acquisition, and collected vibration signal is by signals collecting station 20
It is sent in ground monitoring server 40 after 21 time service of time service module, so that ground monitoring server 40 is according to the vibration after time service
Signal carries out microseismic event analysis, finds the shock conditions of the different time under mine.In addition, being arranged in signals collecting station 20
There is time service module 21, time service module 21 carries out time service to the collected vibration signal of signals collecting station 20, clearly to mark
The generation time of vibration signal out, also, in order to improve the time service accuracy of vibration signal, and then guarantee microseismic event analysis
Accuracy, time service module 21 are also connected with the time synchronization module 30 of underground, and the time synchronization module 30 of underground can be by standard
It is time-synchronized in time service module 21, and the standard time in the time synchronization module 30 of underground is by the time synchronization mould on well
30 synchronous transfer of block and come, carried out data transmission between time synchronization module 30 using dedicated fiber optic cable, data transmission
It is more stable more reliable, it ensure that the timeliness of microseism data monitoring and danger early warning, in case time service module 21 produces vibration signal
Raw time service error.
The embodiment of the present application carries out time synchronization to time service module 21 using time synchronization module 30, to pass through time service mould
Block 21 carries out time service to collected vibration signal, the accuracy of vibration signal label time is improved, thus by the shake after time service
Dynamic signal is transmitted to progress microseismic event analysis in ground monitoring server 40, avoids leading to nothing because of vibration signal time service inaccuracy
Method accurately finds the microseismic event in mine.And in the Microseismic monitoring system of the prior art, be all first acquisition data then on
It reaches and time service is carried out to data again behind ground or time data are purely issued by network, therefore there are the inevitable times to prolong
Delay difference, time service is directly carried out to the vibration data of acquisition in the embodiment of the present application signals collecting station, avoids data transmission route
Time error caused by time delay and the transfer network switch on diameter improves vibration data and picks up accuracy.
In any embodiment of the application, specifically, the system further include: standard time server 50, standard time
Server 50 is connect with time synchronization module 30, and standard time server 50 is used to generate mark according to the satellite-signal of real-time reception
Between punctual, time synchronization module 30 is also used to obtain the standard time of the generation of standard time server 50.
In the above-described embodiments, 50 real-time reception satellite-signal of standard time server, generates accurate real-time time i.e.
Standard time, so that the time synchronization module 30 being connected with standard time server 50 can be obtained from standard time server 50
The standard time is got, to carry out time synchronization to authorization module 21.
In any embodiment of the application, specifically, the system further include: floor treatment server 60, floor treatment
Server 60 is connect with ground monitoring server 40, and ground monitoring server 40 is also used to microseismic event being transmitted to floor treatment
In server 60, floor treatment server 60 is for handling microseismic event.
In the above-described embodiments, microseismic event occurs in mine when ground monitoring server 40 is detected according to vibration signal
When, related vibration signal is transmitted in floor treatment server 60, the comprehensive pre-warning point of floor treatment server 60 is mounted on
It analyses software and reads data from database, according to internal the comprehensive pre-warning algorithm pre-set and mathematical model to bump
Danger carries out comprehensive analysis, danger classes is obtained, to instruct the formulation and implementation of field trials measure.Warning index can be complete
The precarious position and danger level of bump are accurately reflected in face, warning index include day total frequency, day gross energy, average energy
Amount, ceiling capacity, every meter of advance rate release energy.
In any embodiment of the application, specifically, time synchronization module is connect with time service module by RJ45 cable,
RJ45 cable includes clock sync signal line CLK, and time synchronization module is used to pass through clock sync signal line CLK for the standard time
Corresponding time synchronizing signal is transmitted in time service module.
It in the above-described embodiments, include that clock is same in the RJ45 cable between time synchronization module 30 and signals collecting station 20
Walk signal wire CLK signal line.Clock sync signal line CLK is used to transmission time synchronization signal, and the synchronous control signal period is
1ms, using the rising edge of synchronization signal as synchronous point.Time synchronization module 30, signal acquisition are also provided in the interchanger of underground
Stand 20 time service module 21 detect the CLK rising edge signal of host after, the clock of each signals collecting station 20 is reset simultaneously.This
Sample periodically resets the consistency for not only maintaining each 20 clock of signals collecting station, at the same also avoid synchronous error it is accumulative with it is soft
The synchronous error of part.
In any embodiment of the application, specifically, signals collecting station 20 be Mine-used I. S outstation, mining
Peace type outstation includes at least one, and each Mine-used I. S outstation connects at least one wave detector.
In the above-described embodiments, signals collecting station 20 selects the Mine-used I. S outstation for being suitable for mine underground work,
Mine-used I. S outstation can arrange one or more, and each Mine-used I. S outstation can connect one or
Multiple wave detectors realize monitoring on a large scale, reach better early warning for monitoring the shock conditions of different subregions in mine
Effect.
In any embodiment of the application, specifically, signals collecting station 20 is connect with wave detector 10 by communication cable.
In the above-described embodiments, it by communication cable connection signal acquisition station 20 and wave detector 10, improves oscillator signal and passes
The reliability broadcast.
In any embodiment of the application, specifically, wave detector includes electrodynamic type seismometer.
In the above-described embodiments, wave detector can be electrodynamic type seismometer, and there are mechanical oscillation for the coal petrography when underground
When, coil does relative motion and cutting magnetic line to magnet, according to electromagnetic induction principle, induced electromotive force is generated in coil, and
The size of induced electromotive force is directly proportional to the speed of related movement of coil and magnet, the analog electrical signal and ground machine of coil output
The velocity variations rule of tool vibration is consistent, thus can use the Analysis of test results ground machine of electrodynamic type seismometer
The velocity variations of tool vibration, so as in floor treatment server 60 and ground monitoring server 40 to the speed of mechanical oscillation into
The analysis of row danger early warning.
Through the above description of the embodiments, those skilled in the art can be understood that the application can be real
It is existing: first, to collected vibration signal time service in signals collecting station 20, and by time synchronization module 30 to authorization module
21 carry out time synchronization, realize high-precise synchronization sampling, significantly reduce the position error of mine shake focus, realize to underground
Shake the dynamic realtime monitoring of time；Second, comprehensive pre-warning analysis software, comprehensive pre-warning are installed in floor treatment server 60
It analyzes software and reads data from database, bump danger is carried out according to internal comprehensive pre-warning algorithm and mathematical model comprehensive
Analysis is closed, obtains danger classes, to instruct the formulation and implementation of field trials measure, warning index can be all-sidedly and accurately anti-
Reflect the precarious position and danger level of bump；Third is counted using dedicated fiber optic cable between time synchronization module
According to transmission, data transmission is more stable more reliable, ensure that the timeliness of microseism data monitoring and danger early warning；4th, the time is same
Step module 30 can be at least connected with a signals collecting station 20, and each signals collecting station 20 at least can connect a wave detector,
Therefore the shock conditions that coal rock layer in larger scope can be monitored, reach better early warning effect.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or
Process is not necessarily implemented necessary to the application.It will be appreciated by those skilled in the art that the mould in device in implement scene
Block can according to implement scene describe be distributed in the device of implement scene, can also carry out corresponding change be located at be different from
In one or more devices of this implement scene.The module of above-mentioned implement scene can be merged into a module, can also be into one
Step splits into multiple submodule.
Above-mentioned the application serial number is for illustration only, does not represent the superiority and inferiority of implement scene.Disclosed above is only the application
Several specific implementation scenes, still, the application is not limited to this, and the changes that any person skilled in the art can think of is all
The protection scope of the application should be fallen into.
Claims (7)
1. a kind of mining Microseismic monitoring system characterized by comprising
Wave detector, signals collecting station, time synchronization module and ground monitoring server；
The wave detector is connect with the signals collecting station, and the wave detector is for incuding vibration signal, the signals collecting station
For acquiring the vibration signal when the wave detector senses the vibration signal；
The signals collecting station is connect with the ground monitoring server, and the signals collecting station includes time service module, described to award
When module be used to carry out time service to the collected vibration signal after, the vibration signal after time service is transmitted to describedly
In the monitoring server of face, the ground monitoring server is used to carry out microseismic event point according to the vibration signal after time service
Analysis；
The time synchronization module is connect with the time service module, and the time synchronization module will be for that will be synchronized to institute the standard time
It states in time service module.
2. system according to claim 1, which is characterized in that the system also includes:
Standard time server, the standard time server are connect with the time synchronization module, the standard time service
Device is used to generate the standard time according to the satellite-signal of real-time reception, and the time synchronization module is also used to obtain the mark
The standard time that quasi- time server generates.
3. system according to claim 2, which is characterized in that the system also includes:
Floor treatment server, the floor treatment server are connect with the ground monitoring server, the ground monitoring clothes
Business device is also used to be transmitted to microseismic event in the floor treatment server, and the floor treatment server is described for handling
Microseismic event.
4. system according to claim 1, which is characterized in that the time synchronization module passes through with the time service module
The connection of RJ45 cable, the RJ45 cable includes clock sync signal line CLK, when the time synchronization module is used to pass through described
The standard time corresponding time synchronizing signal is transmitted in the time service module by clock synchronous signal line CLK.
5. system according to any one of claim 1 to 4, which is characterized in that the signals collecting station is mine intrinsic safety
Type outstation, the Mine-used I. S outstation includes at least one, each Mine-used I. S outstation connection
At least one described wave detector.
6. system according to any one of claim 1 to 4, which is characterized in that the signals collecting station and the detection
Device is connected by communication cable.
7. system according to any one of claim 1 to 4, which is characterized in that the wave detector includes electric earthquake
Wave detector.
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| CN201910402152.7A CN110146917A (en) | 2019-05-14 | 2019-05-14 | A kind of mining Microseismic monitoring system |
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| CN201910402152.7A CN110146917A (en) | 2019-05-14 | 2019-05-14 | A kind of mining Microseismic monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703320A (en) * | 2019-09-29 | 2020-01-17 | 天地科技股份有限公司 | Up-down combined microseismic monitoring system and method |
| CN111337971A (en) * | 2020-04-21 | 2020-06-26 | 天地科技股份有限公司 | Coal body stress detection device based on controllable seismic source |
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| CN108693553A (en) * | 2017-04-06 | 2018-10-23 | 河南理工大学 | System is monitored based on the mine microquake of internet and supercomputer |
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- 2019-05-14 CN CN201910402152.7A patent/CN110146917A/en active Pending
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