CN103742194A - Subsurface source positioning method and mining area illegal mining prevention monitoring system - Google Patents
Subsurface source positioning method and mining area illegal mining prevention monitoring system Download PDFInfo
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Abstract
The invention discloses a subsurface source positioning method for a mining area illegal mining prevention monitoring system. The method includes the steps of firstly, collecting source signals; secondly, discretizing the obtained source signals, and analyzing the arrival time of the effective signals; thirdly, analyzing wave signal data, and calculating the relative coordinate of the location of an explosive source; fourthly, converting the relative coordinate into an actual GPS coordinate; fifthly, enabling the actual GPS coordinate to be docked with a geographic information system map so as to position the location of the explosive source through a satellite map. The mining area illegal mining prevention monitoring system comprises a source signal collector, a signal acquisition device, a data processing device and a computer or other mobile and portable devices, wherein the source signal collector is installed in a tunnel or a stratum, the source signal collector is connected with the input end of the signal acquisition device, the output end of the signal acquisition device is connected with the input end of the data processing device, and the output end of the data processing device is connected with the computer or other mobile and portable devices. The mining area illegal mining prevention monitoring system is rapid in response and accurate in positioning and is used for mining area illegal mining preventing monitoring.
Description
Technical field
The invention belongs to anti-illegal mining field, mining area, be specifically related to the anti-illegal mining monitoring system in a kind of subsurface source localization method and mining area.
Background technology
At present, because mining mineral resource is combed in management phenomenon and has been caused while having large ore deposit littlely to open a mine, more than one opened phenomenon.Particularly some mine owners are very weak in the understanding of law, driven by interests, and illegal mining behavior happens occasionally.Because grabbing resource, make illegal mining contradiction more and more outstanding.A lot of colliery serious accidents that rise have the private of little colliery to dig the accidents caused case of operating against regulations of disorderly adopting, cross the border.These events violating the regulations had both caused the waste of national colliery resource, can cause again mine to be interconnected and bury major accident hidden danger, were the major reasons that causes the serious accidents such as colliery is permeable, gas explosion.In the Coal Act > > of the < < People's Republic of China (PRC), article 31, clearly stipulate, coal production should be carried out in accordance with the law in the limit of mining of approval, and the limit of mining that must not surmount approval is exploited beyond the approved limits of mining areas or seams.Mining must not be exploited safety pillar without authorization, must not adopt the dangerous approachs such as certainly water, explosion, perforation tunnel that may jeopardize adjacent coal mine production safety.And present situation is when dispute occurs owner, because supervision department does not grasp the authentic data of mining, and sampled in mine after dispute occurs, expense is high, the consumption time is long again, and due to the impact of various factors, may cause sampling inaccurate.As can be seen here, solve the dispute of illegal mining, only have the information system management of strengthening mine, improve the modernization level of mine management, accomplish evidence-basedly, could effectively reduce the dispute occurring due to illegal mining, reduce the security incident causing due to illegal mining.
Because down-hole illegal mining has disguise, ND feature, the domestic monitoring to mine illegal mining remains take personnel and goes into the well supervision and check on the spot as Main Means, but for various reasons, this monitoring means not only need personnel many, expend a large amount of human and material resources resources but also poor effect.Based on above reason, in the urgent need to there being the monitoring equipment that a set of accuracy of detection is high, sense cycle is short to carry out Real-Time Monitoring and location to underground mining tunnel.The monitoring that the illegal mining that utilizes information-based means to adopt focus location algorithm to realize anti-illegal mining monitoring system is blown out a little.Greatly facilitate mining is implemented to supervision and management, safeguard the interests of country and enterprise, the generation of containing particularly serious accident, minimizing environment pollution, improve mineral resource development and utilization rate.
About the more existing bibliographical informations in the antitheft aspect of mineral products, wherein:
In the paper of the Feng Guolei of Jilin University, take whole mining area as monitoring target, take various types of sensors as Data Collection element, take digital processing technology as basis, a kind of automated system of disperseing and concentrating monitoring, controlling that realizes of carrying out information processing with computer, it is the extremely important ingredient that remote measurement, distant news, remote control and comprehensive automation are realized in mine.The monitoring principle of this system is the first data source most of P-wave And S of picking up illegal mining operating point institute earthquake-wave-exciting in illegal mining process, use least square method to carry out correlation analysis to picked up P-wave And S first arrival data, by the Geiger algorithm of computer programing, calculate the Time And Space Parameters of illegal mining point, illegal mining point is located accurately, fundamentally improve the backward situation of colliery illegal mining monitoring.
Patent CN201020206432 proposes a kind of micro-seismic monitor for preventing illegal mining, its technical scheme is: sensor, data acquisition unit, computer, transformer, power supply, consist of, power supply is connected with computer, data acquisition unit, sensor respectively by transformer, installation of sensors is in tunnel, the signal output part of sensor is connected with the signal input part of data acquisition unit, and the signal output part of data acquisition unit is connected to the signal input part of computer.This utility model is by being arranged on the Sensor monitoring illegal mining signal in tunnel, and by the three-dimensional coordinate of stolen mining blocks and time by data acquisition unit sending computer, can make monitoring personnel understand in time illegal mining situation.
In mining activity, prevent illegal mining, by current technological means or by artificial supervision, be difficult to find the concrete when and where of crime, want promptly and accurately to find that illegal mining behavior just must have new technological innovation for relying on.
Summary of the invention
The object of the invention is in order to overcome the deficiencies in the prior art, provide a kind of easy to operate, and can reduce manpower and materials, can accurately locate, the significant a kind of subsurface source localization method of anti-illegal mining effect and the anti-illegal mining monitoring system in mining area.
The present invention is achieved in that
A subsurface source localization method, comprises the following steps:
1) pick up source signal, application geophone sensor carries out vibration monitoring to mine landform around, and real-time collecting vibrations source signal, carries out filtering detection, and the shape information that reaches blast vibrations scope is fed back to information collecting device.
2) by the source signal discretization of obtaining time of advent of analyzing useful signal, the time of recording each timer, calculate adjacent each timer time interval; The signal waveform data that collection is collected, the correctness of checking signal waveform.
3) analyzing and processing waveform signal data, calculate the relative coordinate in hypocenter of the explosion place, process waveform signal and comprise the correctness of analysis waveform and select a part for whole section of waveform to analyze.
In given spatial dimension, illegal mining explosion of coal mines focus is
point, its position is
=
=(
,
,
).
,
,
,
be respectively 4 sensor P, A, B, the coordinate vector of C.Their spatial relationship is as Fig. 5.
In actual three-dimensional geological space, only get the waveform number that P orders=
according to calculating, the position of sensor observation point P is
=
=(x, y, z) vibrations that blast produces and the ripple signal that sends represents with function s (t), Burst Wave Form signal is propagated to be certain to produce and is distorted in inhomogeneous medium, defines so another function Q (t) and represents that signal is delivered to the distortion of sensor observation point P.The mean propagation velocity of supposing detonator signal ripple is v, from focal point
the distance that propagates into observation point P is
, the damped expoential of ripple is
, the wave vector equation being picked up is:
(1.1)
Formula (1.1),
to t, differentiate obtains at two ends:
(1.2)
Formula (1.1),
to coordinate x, y, z asks local derviation,
Wherein
for unit vector, direction be from
to P.
Formula (1.1) is asked to gradient, can obtain:
(1.4)
By (1.2) and (1.4), can be obtained:
By (1.5), can be reached a conclusion, as long as know P point waveform
, these three data of the space derivation that effective waveform time of advent that P is ordered and P point out detonator signal waveform, just can obtain by (1.5) formula the position of illegal mining demolition point.
To (1.5) at time interval
on carry out integration, can obtain,
Get the waveform signal that sensor P point collects
, depending on
value be 0 close on two moment
,
between signal be useful signal, therefore second of (1.6) two integral results (equal sign right-hand member) is 0, so have
（1.7）
(1.7) can draw:
By
can obtain:
(1.9) substitution (1.8) is obtained:
（1.10）
P point closes on A, the monitoring waveform that B and C are 3, and the ripple signal that can obtain being monitored by P point is basis, gets A, B, C, the time interval of the time that 3 some useful signals arrive and P point useful signal time of advent
,
,
, then construct A, B, C, 3 some wave functions are respectively:
,
,
.
By the illegal mining detonator signal to collecting, carry out waveform analysis, get the waveform signal that sensor P point collects
, depending on
value be 0 close on two moment
,
between signal be useful signal, by the discrete test data that samples, carry out matching wave function
, and calculate the data result of the equation of (1.11).Result being brought into (1.10) can obtain
.
Can obtain with (1.9) by calculating (1.10):
Thereby obtained focus position (
) realized the colliery antitheft extraction system focus location algorithm of this patent.
4) relative coordinate is converted into actual gps coordinate, by the relative focus coordinate calculating, adopts software algorithm to be converted into gps satellite locator data.
5) actual gps coordinate docks with geographical information system map, realizes hypocenter of the explosion point position, satellite map location, demonstrates intuitively the particular geographic location of illegal mining demolition point on the electronic map of geographical information system, directly perceived, convenient, practical.
The substantive distinguishing features that the present invention is outstanding and significant progress are:
1, due to the response problem of earth filtering effect and picking up signal equipment self, the record of its focus is actually the phase place of mixing, its preliminary wave signal to noise ratio tends to very low, first break picking time difficulty is very large, introduce error also very large, method of the present invention effectively avoids reading the error of initial time, improves positioning precision.
2, the present invention does not choose the waveform of whole section in order to calculate, and has greatly reduced amount of calculation, and the reaction of focus navigation system is fast, and efficiency is high, and locating speed is fast.
3, thereby the present invention does not calculate the spread speed of waveform in rock stratum and has avoided the different situations of introducing larger error of focus ripple spread speed in different medium.
4, the present invention uses the corresponding time interval data in adjacent monitoring point, so just can avoid the unreasonable data message producing because of ambient noise, instrument failure etc.Due to succinct cheap each the large, medium and small mine monitoring that is applicable to of equipment, prevent colliery illegal mining.
5, by the relative focus coordinate calculating, adopt software algorithm to be converted into gps satellite locator data, gps coordinate is docked with geographical information system map, on the electronic map of geographical information system, demonstrate intuitively the particular geographic location of illegal mining demolition point, intuitively, convenient, practical.
Accompanying drawing explanation
Fig. 1 is the testing process schematic diagram of a kind of subsurface source localization method of the present invention and the anti-illegal mining monitoring system in mining area.
Fig. 2 is the theoretical hardware frame figure of the present invention.
Fig. 3 is specific embodiment of the invention system alarm prompting figure.
Fig. 4 is that specific embodiment of the invention system detects spatial coordinate figure.
Fig. 5 is that the sensor theory that novel anti-theft of the present invention is adopted algorithm is set up figure.
The specific embodiment
For more detailed elaboration the present invention, below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
A subsurface source localization method, comprises the following steps:
1) pick up source signal, application geophone carries out vibration monitoring to mine landform around, and real-time collecting vibrations source signal, carries out filtering detection, and the shape information that reaches blast vibrations scope is fed back to information collecting device.
2) by the source signal discretization of obtaining time of advent of analyzing useful signal, the time of recording each timer, calculate adjacent each timer time interval; The signal waveform data that collection is collected, the correctness of checking signal waveform, the signal waveform of collection is the shock wave through after step 1) detection filter.
3) analyzing and processing waveform signal data, calculate the relative coordinate in hypocenter of the explosion place, also comprise the correctness of checking signal waveform.
4) relative coordinate is converted into actual gps coordinate, by the relative focus coordinate calculating, adopts software algorithm to be converted into gps satellite locator data.
5) actual gps coordinate docks with geographical information system map, realizes hypocenter of the explosion point position, satellite map location, demonstrates intuitively the particular geographic location of illegal mining demolition point on the electronic map of geographical information system, directly perceived, convenient, practical.
The anti-illegal mining monitoring system in mining area, comprises geophone, signal pickup assembly, data processing equipment and computer or other Mobile portable equipments; Geophone is installed in tunnel or rock stratum, and geophone is connected with signal pickup assembly input, and signal pickup assembly output is connected with the input of data processing equipment, and the output of data processing is connected with computer or other Mobile portable equipments.
Described signal pickup assembly at least needs 4 sensor collection signals, and record collects the signal waveform time of that time respectively.
Described Mobile portable equipment is the online anti-illegal mining equipment of mobile portable that DSP, ARM process chip are installed, because amount of calculation is little, make system there is good online computing function, can be in the online anti-illegal mining monitoring system based on computer platform, also on the online antitheft extraction system of mobile portable such as available and DSP.Due to succinct cheap each the large, medium and small mine monitoring that is applicable to of equipment, prevent colliery illegal mining.
4 geophone installation positions require to arrange that according to the coordinate axes of three-dimensional system of coordinate geophone P is arranged in initial point place as shown in figure Fig. 5, geophone A, and B, C is arranged in X, and Y, on Z axis.When mining area has illegal illegal mining person to blow out, by geophone P collection waveform, reach signal pickup assembly and carry out signal processing, analyze useful signal, and extract wave function, extract A simultaneously, B, the useful signal time of advent of 3 geophones of C, then in data processing equipment, according to these parameters, by the algorithm of the anti-illegal mining monitoring system introduced in content of the present invention, calculate the coordinate position of focus, thereby confirm the relative coordinate position of the fried point of illegal mining, through the program conversion of writing, calculate again the coordinate position of concrete gps satellite location, by computer or portable set, on electronic map, identify intuitively the position of the fried point of illegal mining, make human observer make in time action, thereby effectively find and monitor illegal mining behavior.
Specific embodiment 1
The present invention in 2012 carries out practical application in a certain colliery, played illegal mining and blown out the effect of event-monitoring.System, in normal course of operation, is blown out monitoring and locating of event to an illegal mining.
When the illegal mining event of blowing out occurs, the real-time illegal mining event of blowing out of system positions.Calculating focus time of origin is 2: 23: 48 on the 12nd April in 2012, and system measures focus coordinate for (5387.9,1429.4 ,-343), and system gives the alarm immediately, as shown in Figure 3.
As shown in Figure 4, red green circle represents is to blow out place.The anti-illegal mining monitoring system of a kind of subsurface source localization method of the present invention and mining area calculates gps coordinate and on map, locates in the ground.Behind system location, in mine, produce person in charge immediately establishment officer rush towards the place of blowing out of locating on map in ground.To learning after the inquiry of field worker about 2: 23 morning, there is an explosion on a small scale, behind measurement explosion place, know that explosion centre coordinate is for (5369.7,1441.4 ,-334).The absolute error of explosion center and positioning result value is Δ x ≈ 18.2m, Δ y ≈ 12m, Δ z ≈ 9m.The time of microseism and space orientation are all very accurate.Mine produce person in charge immediately establishment officer take immediate steps and prevent illegal illegal mining behavior.
Claims (7)
1. a subsurface source localization method, is characterized in that, comprises the following steps:
Step 1) is picked up source signal;
Step 2) by the source signal discretization of obtaining time of advent of analyzing useful signal;
Step 3) analyzing and processing waveform signal data, calculate the relative coordinate in hypocenter of the explosion place;
Step 4) relative coordinate is converted into actual gps coordinate;
The actual gps coordinate of step 5) docks with geographical information system map, realizes hypocenter of the explosion point position, satellite map location.
2. a kind of subsurface source localization method according to claim 1, is characterized in that: in step 1), also should comprise the processes such as filtering and detection.
3. a kind of subsurface source localization method according to claim 1, it is characterized in that: step 2) in, the source signal waveform gathering is the shock wave through after step 1) detection filter, pick up the time that the focus time is constantly several sensors, step 2) also comprise and calculate source signal through the time interval of each adjacent sensors.
4. a kind of subsurface source localization method according to claim 1, is characterized in that: in step 3), process waveform signal and comprise the correctness of analysis waveform and select a part for whole section of waveform to analyze.
5. the anti-illegal mining monitoring system in mining area, is characterized in that: this system comprises geophone, signal pickup assembly, data processing equipment and computer or other Mobile portable equipments; Geophone is installed in tunnel or rock stratum, and geophone is connected with the input in signal pickup assembly, and signal pickup assembly output is connected with the input of data processing equipment, and the output of data processing is connected with computer or other Mobile portable equipments.
6. the anti-illegal mining monitoring system in mining area according to claim 5, is characterized in that: described signal pickup assembly at least needs 4 sensor collection signals.
7. the anti-illegal mining monitoring system in mining area according to claim 5, is characterized in that: described Mobile portable equipment is the online anti-illegal mining equipment of mobile portable that the process chip such as DSP, ARM are installed.
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| CN104806294A (en) * | 2015-05-06 | 2015-07-29 | 中国矿业大学(北京) | Method for monitoring coal illegal mining based on coal output and energy consumption monitoring |
| CN105179013A (en) * | 2015-08-12 | 2015-12-23 | 中国矿业大学(北京) | Coal illegal mining monitoring method based on vibration monitoring and positioning |
| CN105424164A (en) * | 2015-12-22 | 2016-03-23 | 广西瀚特信息产业股份有限公司 | Vibration detection device, system and method |
| CN105607040A (en) * | 2015-09-07 | 2016-05-25 | 中国神华能源股份有限公司 | Mining area illegal mining prevention monitoring and positioning method and system |
| CN106199686A (en) * | 2016-08-18 | 2016-12-07 | 北京蓝尊科技有限公司 | The system and method for mining blasting point real-time positioning is realized at shallow layer surface |
| CN107765294A (en) * | 2017-10-20 | 2018-03-06 | 重庆泛嘉地质勘查有限公司 | Method of seismic source monitoring |
| CN107783179A (en) * | 2017-10-20 | 2018-03-09 | 重庆泛嘉地质勘查有限公司 | Mining scope monitoring method |
| CN111009087A (en) * | 2020-01-08 | 2020-04-14 | 桂林赛普电子科技有限公司 | Mining area anti-border-crossing illegal mining monitoring and early warning method and system |
| CN111413733A (en) * | 2020-03-20 | 2020-07-14 | 重庆地质矿产研究院 | Mine micro-seismic positioning control system and method |
| CN113009558A (en) * | 2021-02-23 | 2021-06-22 | 武汉理工大学 | Micro-seismic monitoring system for preventing illegal mining of surface ore body |
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| CN105607040A (en) * | 2015-09-07 | 2016-05-25 | 中国神华能源股份有限公司 | Mining area illegal mining prevention monitoring and positioning method and system |
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| CN106199686A (en) * | 2016-08-18 | 2016-12-07 | 北京蓝尊科技有限公司 | The system and method for mining blasting point real-time positioning is realized at shallow layer surface |
| CN107765294A (en) * | 2017-10-20 | 2018-03-06 | 重庆泛嘉地质勘查有限公司 | Method of seismic source monitoring |
| CN107783179A (en) * | 2017-10-20 | 2018-03-09 | 重庆泛嘉地质勘查有限公司 | Mining scope monitoring method |
| CN111009087A (en) * | 2020-01-08 | 2020-04-14 | 桂林赛普电子科技有限公司 | Mining area anti-border-crossing illegal mining monitoring and early warning method and system |
| CN111413733A (en) * | 2020-03-20 | 2020-07-14 | 重庆地质矿产研究院 | Mine micro-seismic positioning control system and method |
| CN113009558A (en) * | 2021-02-23 | 2021-06-22 | 武汉理工大学 | Micro-seismic monitoring system for preventing illegal mining of surface ore body |
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Application publication date: 20140423 |