CN109578075A - The micro seismic monitoring method for early warning of bump danger, device and system - Google Patents
The micro seismic monitoring method for early warning of bump danger, device and system Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000004445 quantitative analysis Methods 0.000 claims abstract description 14
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 8
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- 239000000843 powder Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 3
- 238000009527 percussion Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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Abstract
The present invention proposes a kind of micro seismic monitoring method for early warning of bump danger, device and system, and method includes: to calculate real-time microseismic event energy value E and microseismic event frequency value P；It calculates last big energy microseismic event and the moment occurs to the energy deviation value D during the monitoring and warning momentE, and obtain energy deviation value DEVariation tendency；It calculates last big energy microseismic event and the moment occurs to the frequency deviation Dp during the monitoring and warning moment, and obtain the variation tendency of frequency deviation Dp；Preliminary danger of burst grade is determined using quantitative method for early warning according to real-time microseismic event energy value E；According to energy deviation value DEAnd its variation tendency, frequency deviation Dp and its variation tendency, it is modified using trending early warning method, obtains final danger of burst grade.The technical issues of present invention, which is solved, carries out quantitative early warning according only to the collected energy of Microseismic monitoring system and the frequency, and appearance wrong report, the number failed to report are more, influences mine safety.
Description
Technical field
The present invention relates to monitoring field more particularly to the micro seismic monitoring method for early warning of bump danger a kind of, device and
System.
Background technique
China's coal-mine mining conditions are complicated, and rock blast hazard is one of coal mine major casualty, and destructiveness often results in greatly
Roadway destroys, casualties and equipment damage.It is continuously increased deeply with adopting, the rock blast hazard frequency, intensity and extent of the destruction
It is in rising trend.The complicated multiplicity such as time, place and situation that this disaster occurs, and the duration is shorter, it is accurate to its
Monitoring and warning have become global problem.
Currently, mainly including Static State Index method and geophysical method two major classes to the monitoring and warning of rock blast hazard.
Static State Index method has: coal powder quantity of bore monitoring.Geophysical method specifically include that micro seismic monitoring, electromagnetic radiation monitoring, monitoring ground sound,
Face Pressure monitoring, mining induced stress monitoring etc..Static State Index method project amount is big, at high cost, and the information content of acquisition is limited and quasi-
True property is low, at this stage can only be as a kind of monitoring means of auxiliary.Electromagnetic radiation monitoring is easily interfered by pit gear, cable etc.,
Monitoring ground sound adopts interference vulnerable to working face and equally can not be to focus with the methods of Face Pressure monitoring, mining induced stress monitoring
It is positioned.On Microseismic Monitoring Technique can realize the timing monitoring to coal petrography rupture and the space orientation to break source, due to monitoring
Range is extensively widely applied by domestic and international mine, however carries out according only to the collected energy of Microseismic monitoring system and the frequency quantitatively pre-
Alert, appearance wrong report, the number failed to report are more, seriously affect mine safety production.
Summary of the invention
Based on problem above, the present invention proposes a kind of micro seismic monitoring method for early warning of bump danger, device and system,
The technical issues of mode for solving the monitoring of coal powder quantity of bore in the prior art can only be as the monitoring means assisted, solve according only to
The collected energy of Microseismic monitoring system and the frequency carry out quantitative early warning, and appearance wrong report, the number failed to report are more, seriously affect mine
The technical issues of well is kept the safety in production.
The present invention proposes a kind of micro seismic monitoring method for early warning of bump danger, comprising:
Calculate real-time microseismic event energy value E and microseismic event frequency value P；
It calculates last big energy microseismic event and the moment occurs to the energy deviation value D during the monitoring and warning momentE, and
To energy deviation value DEVariation tendency；
It calculates last big energy microseismic event and the moment occurs to the frequency deviation Dp during the monitoring and warning moment, and
To the variation tendency of frequency deviation Dp；
Preliminary danger of burst grade is determined using quantitative method for early warning according to real-time microseismic event energy value E；
According to energy deviation value DE, energy deviation value DEVariation tendency, frequency deviation Dp and frequency deviation Dp change
Change trend is modified preliminary danger of burst grade using trending early warning method, obtains final danger of burst grade.
In addition, big energy microseismic event is determined according to bump generation moment corresponding microseismic event energy, big energy
Measuring microseismic event is that microseism energy is greater than 1 × 106The microseismic event of J.
In addition, energy deviation value DECalculation formula are as follows:
Wherein E is real-time microseismic event energy value,The moment occurs to monitoring and warning for last big energy microseismic event
The average energy of all microseismic events during moment.
In addition, the calculation formula of frequency deviation Dp are as follows:
Wherein PiFor microseismic event sum on the i-thth,When moment to monitoring and warning occurs for last big energy microseismic event
The average value of daily microseismic event sum between setting a date.
In addition, determining that preliminary danger of burst grade includes: using quantitative method for early warning according to real-time microseismic event energy value E
When real-time microseismic event energy value E < 1 × 105When J, assigning degrees of hazard 1；
When 1 × 105J≤real-time microseismic event energy value E < 1 × 106When J, assigning degrees of hazard 2；
When 1 × 106J≤real-time microseismic event energy value E < 1 × 107When J, assigning degrees of hazard 3；
When 1 × 107When J≤real-time microseismic event energy value E, assigning degrees of hazard 4.
In addition, according to energy deviation value DE, energy deviation value DEVariation tendency, frequency deviation Dp and frequency deviation
The variation tendency of Dp is modified preliminary danger of burst grade using trending early warning method, obtains final danger of burst etc.
Grade include:
When preliminary danger of burst grade is 1 or 2, if 20≤energy deviation value DE< 60 and continuous preset number of days and with
On continue to increase perhaps 0.8≤frequency deviation Dp < 2 and continuous preset number of days add continue to increase within 1 day or more or 60≤
Energy deviation value DE< 80 or 2≤frequency deviation Dp < 4, then final danger of burst grade is in preliminary danger of burst grade
On the basis of increase by 1 danger classes；
When preliminary danger of burst grade is 1 or 2, if 80≤energy deviation value DEOr 4≤frequency deviation Dp, then
Final danger of burst grade increases by 2 danger classes on the basis of preliminary danger of burst grade；
When preliminary danger of burst grade is 3, if 80≤energy deviation value DEOr 4≤frequency deviation Dp, then finally
Danger of burst grade increase by 1 danger classes on the basis of preliminary danger of burst grade；
Danger of burst grade is up to 4.
The present invention also proposes a kind of micro seismic monitoring prior-warning device of bump danger, comprising:
First computing module, for calculating real-time microseismic event energy value E and microseismic event frequency value P；
Occurs for the second computing module to during the monitoring and warning moment moment for calculating last big energy microseismic event
Energy deviation value DE, and obtain energy deviation value DEVariation tendency；
Occurs for third computing module to during the monitoring and warning moment moment for calculating last big energy microseismic event
Frequency deviation Dp, and obtain the variation tendency of frequency deviation Dp；
Determine preliminary grade module, it is preliminary for being determined according to real-time microseismic event energy value E using quantitative method for early warning
Danger of burst grade；
Final grade module is calculated, for according to energy deviation value DE, energy deviation value DEVariation tendency, frequency deviation
The variation tendency of value Dp and frequency deviation Dp are modified preliminary danger of burst grade using trending early warning method, obtain
Final danger of burst grade.
The present invention also proposes a kind of micro seismic monitoring early warning system of bump danger, including at least one processor；With
And the memory being connect at least one described processor communication；Wherein, be stored with can be by one processing for the memory
The instruction that device executes, described instruction executed by least one described processor so that at least one described processor can:
Calculate real-time microseismic event energy value E and microseismic event frequency value P；
It calculates last big energy microseismic event and the moment occurs to the energy deviation value D during the monitoring and warning momentE, and
To energy deviation value DEVariation tendency；
It calculates last big energy microseismic event and the moment occurs to the frequency deviation Dp during the monitoring and warning moment, and
To the variation tendency of frequency deviation Dp；
Preliminary danger of burst grade is determined using quantitative method for early warning according to real-time microseismic event energy value E；
According to energy deviation value DE, energy deviation value DEVariation tendency, frequency deviation Dp and frequency deviation Dp change
Change trend is modified preliminary danger of burst grade using trending early warning method, obtains final danger of burst grade.
By using above-mentioned technical proposal, have the following beneficial effects:
The mode that the present invention solves coal powder quantity of bore monitoring in the prior art can only be asked as the technology of the monitoring means of auxiliary
Topic solves and carries out quantitative early warning, the number for wrong report occur, failing to report according only to the collected energy of Microseismic monitoring system and the frequency
It is more, the technical issues of seriously affecting mine safety production.The present embodiment improves on the basis of realizing microseism positioning based on micro-
The bump early warning reliability of monitoring technology is shaken, reduction is failed to report and reported by mistake.
Detailed description of the invention
Fig. 1 is the flow chart of the micro seismic monitoring method for early warning of bump danger provided by one embodiment of the present invention；
Fig. 2 is the flow chart of the micro seismic monitoring method for early warning of bump danger provided by one embodiment of the present invention；
Fig. 3 is the block diagram of the micro seismic monitoring prior-warning device of bump danger provided by one embodiment of the present invention.
Specific embodiment
Below in conjunction with specific embodiment and attached drawing, the present invention is further described in detail.It is only intended to explain in detail
Specific embodiments of the present invention are stated, any restrictions are not generated to the present invention, protection scope of the present invention is with claims
Subject to.
Referring to Fig.1, the present invention proposes a kind of micro seismic monitoring method for early warning of bump danger, comprising:
Step S101 calculates real-time microseismic event energy value E and microseismic event frequency value P；
Step S102 calculates last big energy microseismic event and the moment occurs to the energy deviation during the monitoring and warning moment
Value DE, and obtain energy deviation value DEVariation tendency；
Step S103 calculates last big energy microseismic event and the moment occurs to the frequency deviation during the monitoring and warning moment
Value Dp, and obtain the variation tendency of frequency deviation Dp；
Step S104 determines preliminary danger of burst grade using quantitative method for early warning according to real-time microseismic event energy value E；
Step S105, according to energy deviation value DE, energy deviation value DEVariation tendency, frequency deviation Dp and the frequency it is inclined
The variation tendency of difference Dp is modified preliminary danger of burst grade using trending early warning method, obtains final impact danger
Dangerous grade.
It calculates in real-time microseismic event energy value E and microseismic event frequency value P, E is that Microseismic monitoring system acquires certainly in real time
The energy of the dynamic single microseismic event being calculated；P is the total number of all microseismic events occurred daily.
Obtain " moment occurs for last big energy microseismic event ": the generation moment of any microseismic event is all by microseism
Monitoring system registers obtain, last big energy microseismic event occur moment span it is nearest from current time by micro seismic monitoring system
Moment occurs for the big energy microseismic event of system record, and big energy microseismic event needs that the moment occurs according to bump corresponding micro-
Event energy is shaken to determine, generally microseism energy is greater than 1 × 106The microseismic event of J.
The monitoring and warning moment illustrates how to obtain: such as current time is 53 minutes and 20 seconds 8 points of on October 26th, 2018,
This moment is exactly the monitoring and warning moment；10 points of October 1 in 2018 has occurred one time 1 × 10 for 10 seconds 10 minutes6The big energy thing of J
Part, until 8 points of 20 seconds 53 minutes (" monitoring and warning moment ") of on October 26th, 2018, there is no energy to be greater than 1 × 10 again6The big energy of J
Some small energy events only have occurred during this in amount event, then 10 minutes and 10 seconds 10 points of on October 1st, 2018 is exactly last big energy
It measures microseismic event and the moment occurs.Because the method is real-time early warning, current time is exactly " monitoring and warning moment ".
Obtain " energy deviation value DEVariation tendency " illustrate: for example 10 points of October 1 in 2018 has occurred for 10 seconds 10 minutes
Primary big energy events, until 8 points of 20 seconds 53 minutes (" monitoring and warning moment ") of on October 26th, 2018, there is no big energy things again
Some small energy events only have occurred during this in part.One microseismic event of every appearance can be according to energy deviation value during this
DECalculation formula calculate a DEValue, one microseismic event of every generation can calculate a corresponding D during thisEValue, should
DEThe time of value corresponds to the generation moment of the microseismic event, using Time To Event as horizontal axis, DEValue is the longitudinal axis, so that it may be found out
The D at moment to " monitoring and warning moment " occurs for big energyEIt is worth variation tendency.
The acquisition modes and D of the variation tendency of frequency deviation DpEIt is similar.
The mode that the present embodiment solves coal powder quantity of bore monitoring in the prior art can only be as the technology of the monitoring means of auxiliary
Problem solves and carries out quantitative early warning according only to the collected energy of Microseismic monitoring system and the frequency, time for wrong report occur, failing to report
The technical issues of number is more, seriously affects mine safety production.On the basis of realizing microseism positioning, raising is based on the present embodiment
The bump early warning reliability of On Microseismic Monitoring Technique, reduction are failed to report and are reported by mistake.
The present embodiment is for statistical analysis by the data arrived to micro seismic monitoring equipment monitoring, finds out its surveyed energy and frequency
Subparameter deviation, and the variation tendency of energy and frequency deviation is obtained, it is combined using quantitative early warning with trending early warning
Method is comprehensive to determine working face present percussion precarious position.Whole process is related to calculating parameter and danger of burst discriminating step
Programming is realized, staff's manually calculating process is reduced, time saving and energy saving, and early warning accuracy rate is high, to solve bump
Danger early warning problem provides support.
Referring to Fig. 2, the present invention proposes a kind of micro seismic monitoring method for early warning of bump danger, comprising:
Step S201 calculates real-time microseismic event energy value E and microseismic event frequency value P；
Step S202 calculates last big energy microseismic event and the moment occurs to the energy deviation during the monitoring and warning moment
Value DE, and obtain energy deviation value DEVariation tendency；
Optionally, big energy microseismic event is that microseism energy is greater than 1 × 106The microseismic event of J.
Optionally, energy deviation value DECalculation formula are as follows:
Wherein E is real-time microseismic event energy value,The moment occurs to monitoring and warning for last big energy microseismic event
The average energy of all microseismic events during moment.
Step S203 calculates last big energy microseismic event and the moment occurs to the frequency deviation during the monitoring and warning moment
Value Dp, and obtain the variation tendency of frequency deviation Dp；
The calculation formula of frequency deviation Dp are as follows:
Wherein PiFor microseismic event sum on the i-thth,When moment to monitoring and warning occurs for last big energy microseismic event
The average value of daily microseismic event sum between setting a date.
Step S204 determines preliminary danger of burst grade using quantitative method for early warning according to real-time microseismic event energy value E；
Optionally, preliminary danger of burst grade packet is determined using quantitative method for early warning according to real-time microseismic event energy value E
It includes: when real-time microseismic event energy value E < 1 × 105When J, assigning degrees of hazard 1；
When 1 × 105J≤real-time microseismic event energy value E < 1 × 106When J, assigning degrees of hazard 2；
When 1 × 106J≤real-time microseismic event energy value E < 1 × 107When J, assigning degrees of hazard 3；
When 1 × 107When J≤real-time microseismic event energy value E, assigning degrees of hazard 4.
Step S205, according to energy deviation value DE, energy deviation value DEVariation tendency, frequency deviation Dp and the frequency it is inclined
The variation tendency of difference Dp is modified preliminary danger of burst grade using trending early warning method, obtains final impact danger
Dangerous grade.
Optionally, according to energy deviation value DE, energy deviation value DEVariation tendency, frequency deviation Dp and frequency deviation
The variation tendency of value Dp is modified preliminary danger of burst grade using trending early warning method, obtains final danger of burst
Grade includes:
When preliminary danger of burst grade is 1 or 2, if 20≤energy deviation value DE< 60 and continuous preset number of days and with
On continue to increase perhaps 0.8≤frequency deviation Dp < 2 and continuous preset number of days add continue to increase within 1 day or more or 60≤
Energy deviation value DEWhen < 80 or 2≤frequency deviation Dp < 4, then final danger of burst grade is in preliminary danger of burst etc.
Increase by 1 danger classes on the basis of grade；
When preliminary danger of burst grade is 1 or 2, if 80≤energy deviation value DEOr 4≤frequency deviation Dp, then
Final danger of burst grade increases by 2 danger classes on the basis of preliminary danger of burst grade；
When preliminary danger of burst grade is 3, if 80≤energy deviation value DEOr 4≤frequency deviation Dp, then finally
Danger of burst grade increase by 1 danger classes on the basis of preliminary danger of burst grade；
Danger of burst grade is up to 4.
Here, 5,20 and 60 unit is 1.
Referring to Fig. 3, the present invention also proposes a kind of micro seismic monitoring prior-warning device of bump danger, comprising:
First computing module 301, for calculating real-time microseismic event energy value E and microseismic event frequency value P；
Second computing module 302 is set a date for calculating when moment to monitoring and warning occurs for last big energy microseismic event
Between energy deviation value DE, and obtain energy deviation value DEVariation tendency；
Third computing module 303 is set a date for calculating when moment to monitoring and warning occurs for last big energy microseismic event
Between frequency deviation Dp, and obtain the variation tendency of frequency deviation Dp；
Preliminary grade module 304 is determined, for determining just according to real-time microseismic event energy value E using quantitative method for early warning
Walk danger of burst grade；
Final grade module 305 is calculated, for according to energy deviation value DE, energy deviation value DEVariation tendency, the frequency it is inclined
The variation tendency of difference Dp and frequency deviation Dp are modified preliminary danger of burst grade using trending early warning method, obtain
To final danger of burst grade.
The mode that the present embodiment solves coal powder quantity of bore monitoring in the prior art can only be as the technology of the monitoring means of auxiliary
Problem solves and carries out quantitative early warning according only to the collected energy of Microseismic monitoring system and the frequency, time for wrong report occur, failing to report
The technical issues of number is more, seriously affects mine safety production.On the basis of realizing microseism positioning, raising is based on the present embodiment
The bump early warning reliability of On Microseismic Monitoring Technique, reduction are failed to report and are reported by mistake.
The present embodiment is for statistical analysis by the data arrived to micro seismic monitoring equipment monitoring, finds out its surveyed energy and frequency
Subparameter deviation, and the variation tendency of energy and frequency deviation is obtained, it is combined using quantitative early warning with trending early warning
Method is comprehensive to determine working face present percussion precarious position.Whole process is related to calculating parameter and danger of burst discriminating step
Programming is realized, staff's manually calculating process is reduced, time saving and energy saving, and early warning accuracy rate is high, to solve bump
Danger early warning problem provides support.
The present invention also proposes a kind of micro seismic monitoring early warning system of bump danger, including at least one processor；With
And the memory being connect at least one described processor communication；Wherein, be stored with can be by one processing for the memory
The instruction that device executes, described instruction executed by least one described processor so that at least one described processor can:
Calculate real-time microseismic event energy value E and microseismic event frequency value P；
It calculates last big energy microseismic event and the moment occurs to the energy deviation value D during the monitoring and warning momentE, and
To energy deviation value DEVariation tendency；
It calculates last big energy microseismic event and the moment occurs to the frequency deviation Dp during the monitoring and warning moment, and
To the variation tendency of frequency deviation Dp；
Preliminary danger of burst grade is determined using quantitative method for early warning according to real-time microseismic event energy value E；
According to energy deviation value DE, the variation tendency of energy deviation value DE, frequency deviation Dp and frequency deviation Dp
Variation tendency is modified preliminary danger of burst grade using trending early warning method, obtains final danger of burst grade.
The mode that the present embodiment solves coal powder quantity of bore monitoring in the prior art can only be as the technology of the monitoring means of auxiliary
Problem solves and carries out quantitative early warning according only to the collected energy of Microseismic monitoring system and the frequency, time for wrong report occur, failing to report
The technical issues of number is more, seriously affects mine safety production.On the basis of realizing microseism positioning, raising is based on the present embodiment
The bump early warning reliability of On Microseismic Monitoring Technique, reduction are failed to report and are reported by mistake.
The present embodiment is for statistical analysis by the data arrived to micro seismic monitoring equipment monitoring, finds out its surveyed energy and frequency
Subparameter deviation, and the variation tendency of energy and frequency deviation is obtained, it is combined using quantitative early warning with trending early warning
Method is comprehensive to determine working face present percussion precarious position.Whole process is related to calculating parameter and danger of burst discriminating step
Programming is realized, staff's manually calculating process is reduced, time saving and energy saving, and early warning accuracy rate is high, to solve bump
Danger early warning problem provides support.
Above-described is only the principle of the present invention and preferred embodiment.It should be pointed out that for the common skill of this field
For art personnel, on the basis of the principle of the invention, several other modifications can also be made, also should be regarded as protection model of the invention
It encloses.
Claims (8)
1. a kind of micro seismic monitoring method for early warning of bump danger characterized by comprising
Calculate real-time microseismic event energy value E and microseismic event frequency value P；
It calculates last big energy microseismic event and the moment occurs to the energy deviation value D during the monitoring and warning momentE, and obtain energy
Measure deviation DEVariation tendency；
It calculates last big energy microseismic event and the moment occurs to the frequency deviation Dp during the monitoring and warning moment, and obtain frequency
The variation tendency of secondary deviation Dp；
Preliminary danger of burst grade is determined using quantitative method for early warning according to real-time microseismic event energy value E；
According to energy deviation value DE, energy deviation value DEThe variation of variation tendency, frequency deviation Dp and frequency deviation Dp become
Gesture is modified preliminary danger of burst grade using trending early warning method, obtains final danger of burst grade.
2. the micro seismic monitoring method for early warning of bump danger according to claim 1, which is characterized in that
Energy microseismic event is determined according to bump generation moment corresponding microseismic event energy greatly, big energy microseismic event
It is greater than 1 × 10 for microseism energy6The microseismic event of J.
3. the micro seismic monitoring method for early warning of bump danger according to claim 1, which is characterized in that
Energy deviation value DECalculation formula are as follows:
Wherein E is real-time microseismic event energy value,It sets a date when moment to monitoring and warning occurs for last big energy microseismic event
Between all microseismic events average energy.
4. the micro seismic monitoring method for early warning of bump danger according to claim 1, which is characterized in that frequency deviation
The calculation formula of Dp are as follows:
Wherein PiFor microseismic event sum on the i-thth,It sets a date when moment to monitoring and warning occurs for last big energy microseismic event
Between daily microseismic event sum average value.
5. the micro seismic monitoring method for early warning of bump danger according to claim 1, which is characterized in that
Determine that preliminary danger of burst grade includes: when micro- in real time using quantitative method for early warning according to real-time microseismic event energy value E
Shake event energy value E < 1 × 105When J, assigning degrees of hazard 1；
When 1 × 105J≤real-time microseismic event energy value E < 1 × 106When J, assigning degrees of hazard 2；
When 1 × 106J≤real-time microseismic event energy value E < 1 × 107When J, assigning degrees of hazard 3；
When 1 × 107When J≤real-time microseismic event energy value E, assigning degrees of hazard 4.
6. the micro seismic monitoring method for early warning of bump danger according to claim 1, which is characterized in that
According to energy deviation value DE, energy deviation value DEThe variation of variation tendency, frequency deviation Dp and frequency deviation Dp become
Gesture is modified preliminary danger of burst grade using trending early warning method, and obtaining final danger of burst grade includes:
When preliminary danger of burst grade is 1 or 2, if 20≤energy deviation value DE< 60 and continuous preset number of days or more continue
Increase perhaps 0.8≤frequency deviation Dp < 2 and continuous preset number of days adds and continues to increase within 1 day or more or 60≤energy is inclined
Difference DE< 80 or 2≤frequency deviation Dp < 4, then final danger of burst grade is on the basis of preliminary danger of burst grade
Increase by 1 danger classes；
When preliminary danger of burst grade is 1 or 2, if 80≤energy deviation value DEOr 4≤frequency deviation Dp, then finally
Danger of burst grade increase by 2 danger classes on the basis of preliminary danger of burst grade；
When preliminary danger of burst grade is 3, if 80≤energy deviation value DEOr 4≤frequency deviation Dp, then final impact
Danger classes increases by 1 danger classes on the basis of preliminary danger of burst grade；
Danger of burst grade is up to 4.
7. a kind of micro seismic monitoring prior-warning device of bump danger characterized by comprising
First computing module, for calculating real-time microseismic event energy value E and microseismic event frequency value P；
Occurs for the second computing module to the energy during the monitoring and warning moment moment for calculating last big energy microseismic event
Deviation DE, and obtain energy deviation value DEVariation tendency；
Occurs for third computing module to the frequency during the monitoring and warning moment moment for calculating last big energy microseismic event
Deviation Dp, and obtain the variation tendency of frequency deviation Dp；
Preliminary grade module is determined, for determining preliminary impact using quantitative method for early warning according to real-time microseismic event energy value E
Danger classes；
Final grade module is calculated, for according to energy deviation value DE, energy deviation value DEVariation tendency, frequency deviation Dp
And the variation tendency of frequency deviation Dp, preliminary danger of burst grade is modified using trending early warning method, is obtained final
Danger of burst grade.
8. a kind of micro seismic monitoring early warning system of bump danger, which is characterized in that including at least one processor；And
The memory being connect at least one described processor communication；Wherein, be stored with can be by one processor for the memory
The instruction of execution, described instruction are executed by least one described processor so that at least one described processor can:
Calculate real-time microseismic event energy value E and microseismic event frequency value P；
It calculates last big energy microseismic event and the moment occurs to the energy deviation value D during the monitoring and warning momentE, and obtain energy
Measure deviation DEVariation tendency；
It calculates last big energy microseismic event and the moment occurs to the frequency deviation Dp during the monitoring and warning moment, and obtain frequency
The variation tendency of secondary deviation Dp；
Preliminary danger of burst grade is determined using quantitative method for early warning according to real-time microseismic event energy value E；
According to energy deviation value DE, energy deviation value DEThe variation of variation tendency, frequency deviation Dp and frequency deviation Dp become
Gesture is modified preliminary danger of burst grade using trending early warning method, obtains final danger of burst grade.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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