CN116597616A - Intelligent monitoring and early warning system for geological disasters in mining area - Google Patents
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Abstract
The invention relates to the technical field of geological disaster monitoring in a mining area, and particularly discloses an intelligent monitoring and early warning system for the geological disaster in the mining area.
Description
Technical Field
The invention relates to the technical field of monitoring of geological disasters in mining areas, in particular to an intelligent monitoring and early warning system for the geological disasters in the mining areas.
Background
The high-speed development of various industries in society brings higher requirements to the use of energy, so that the development strength of mineral products is continuously increased to meet the increasing energy use demands, a series of mine safety problems are caused accordingly, for mining teams of mines, how to scientifically develop mineral resources and simultaneously reasonably and efficiently ensure the development environment safety of the mines is always a focus of attention, and geological disasters are always one of important factors for causing mine safety accidents, and obviously, the monitoring of geological disasters on mining areas of the mines is particularly important.
The existing mine geological disaster monitoring also has a series of places needing to be optimized, and can be specifically represented as follows: (1) In the prior art, when geological disaster monitoring is carried out on mines, more attention is paid to screening analysis on natural environmental factors which cause geological disasters of the mines, but the level of the geological disasters caused by mining factors of the mines is lack of accurate monitoring analysis, so that mining safety of the mines cannot be fully and effectively guaranteed, mine staff cannot find fine potential safety hazards caused by mining finely, potential safety risks are caused for work of the mining staff, and mining construction progress of the whole mining area can be influenced.
(2) The prior art is deficient in preliminary evaluation of stability of mines according to the types of the mines in the early stage, and further scientific and reasonable judgment basis cannot be provided when the safety conditions of the mines in the mining process are monitored in the follow-up process, so that the final monitoring result has the defects of low accuracy, insufficient extensibility and the like, the operation safety of mining engineering cannot be fully guaranteed, the timeliness of timely processing potential safety hazards of the mines is reduced, and the safety early warning response efficiency of the mines is greatly reduced.
Disclosure of Invention
In order to overcome the defects in the background technology, the embodiment of the invention provides an intelligent monitoring and early warning system for geological disasters in a mining area, which can effectively solve the problems related to the background technology.
The aim of the invention can be achieved by the following technical scheme: the intelligent monitoring and early warning system for the geological disasters in the mining area comprises a basic parameter acquisition and analysis module, wherein the basic parameter acquisition and analysis module is used for acquiring basic parameters of a specified mine, and further performing preliminary analysis and calculation on geological stability evaluation coefficients of the specified mine.
And the adaptation early-warning parameter matching module is used for matching and obtaining the adaptation early-warning parameters of the appointed mine according to the geological stability evaluation coefficient of the appointed mine.
The mining area live-action image acquisition and analysis module is used for acquiring live-action images of mining areas of the specified mine, constructing a 3D model of the mining areas of the specified mine, dividing the 3D model to obtain mining subareas of the specified mine, extracting corresponding information parameters, and further analyzing and calculating geological security index omega corresponding to the information parameters of the mining subareas of the specified mine j 。
The mining area physical parameter monitoring and analyzing module is used for monitoring physical parameters of each mining subarea of the appointed mine, and further analyzing and calculating a geological security index xi corresponding to the physical parameters of each mining subarea of the appointed mine j 。
The comprehensive early warning center is used for comprehensively calculating the geological disaster early warning requirement index of each mining subarea of the appointed mine according to the information parameter and the geological security index corresponding to the physical parameter of each mining subarea of the appointed mine, and further extracting the risk mining subarea to carry out geological disaster early warning management prompt.
The data cloud platform is used for storing the adaptation early warning parameters of various geological stability evaluation coefficient intervals.
As a further design, the basic parameters of the specified mine include mine type, predefined mining area and historical potential safety hazard parameters, wherein the historical potential safety hazard parameters include the number of potential hazard points, the distribution position of each potential hazard point and the corresponding radiation influence area.
As a further design, the geological stability evaluation coefficient of the specified mine comprises the following specific calculation processes: according to the mine type of the appointed mine, the safety influence factors corresponding to the single hidden trouble points of the preset various types of mines are matched, and the safety influence factor delta corresponding to the single hidden trouble points of the appointed mine is obtained 1 Similarly, the safety influence factor delta of the unit distribution interval of the corresponding hidden danger point of the appointed mine is obtained by matching 2 。
According to the number M of hidden trouble points of the appointed mine 0 Calculating geological stability indexes corresponding to the number of hidden danger points of a specified mineWherein e and χ 1 Respectively representing the geological stability influence correction values corresponding to the number of the preset natural constants and hidden danger points.
According to the distribution position of each hidden danger point of the appointed mine and the predefined mining area, extracting the central point of the predefined mining area as a mining datum point, further extracting and obtaining the distance between each hidden danger point of the appointed mine and the mining datum point, and recording the distance as the distribution distance L of each hidden danger point of the appointed mine m And obtaining the average distribution interval of hidden trouble points of the appointed mine through average value processingFurther calculating the geological stability index corresponding to the distribution position of the hidden trouble points of the appointed mineWhere m is the number of each hidden trouble point, m=1, 2,.. 2 And the corrected value is expressed as a geological stability influence correction value corresponding to a preset hidden danger point distribution interval.
According to the radiation influence area S corresponding to each hidden trouble point of the appointed mine m And extracting a predefined mining area faceThe product S' is further used for calculating a geological stability index corresponding to the radiation influence area to which the hidden trouble point of the appointed mine belongsWherein χ is 3 And representing the geological stability influence correction factor corresponding to the radiation influence area to which the preset hidden danger point belongs.
Comprehensively calculating geological stability evaluation coefficient of specified mineWherein->And->The set number of hidden danger points, the distribution positions of the hidden danger points and the geological stability influence weight occupation ratio corresponding to the radiation influence areas of the hidden danger points are respectively expressed.
As a further design, the matching obtains the adaptation early warning parameters of the appointed mine, and the specific process is as follows: according to the geological stability evaluation coefficient of the appointed mine, matching with the adaptive early warning parameters of various geological stability evaluation coefficient intervals stored in the data cloud platform to obtain the adaptive early warning parameters of the appointed mine, wherein the adaptive early warning parameters comprise early warning height differences, early warning relief angles, early warning deep displacement and early warning earth surface displacement of the exploitation region, and early warning stress values of the exploitation region corresponding to various depth intervals.
As a further design, the analysis and calculation of the geological safety index corresponding to the information parameter of each mining subarea to which the specified mine belongs comprises the following specific analysis processes: according to the 3D model of the mining area of the appointed mine, dividing to obtain the 3D model of each mining subarea of the appointed mine, and extracting information parameters of each mining subarea of the appointed mine from the 3D model, wherein the information parameters comprise the highest point of the ore body and the lowest point of the ore body.
Extracting the ore body most of each mining subarea of appointed mineThe height difference between the high point and the lowest point of the ore body is recorded as the ore body height difference phi of each mining subarea of the appointed mine j And extracting the early warning height difference delta phi of the mining area of the specified mine 0 According to the formulaCalculating the ore body mining safety index of each mining subarea of the appointed mine, wherein lambda 1 The ore body mining safety correction value corresponding to the set ore body height difference is represented by j, and j=1, 2, & gt, n, each of which is represented by the number of each mining subarea.
According to the highest point and lowest point of ore body of each mining subarea of the appointed mine, connecting the highest point and lowest point of ore body of each mining subarea of the appointed mine in a corresponding straight line to obtain a connecting line between the highest point and the lowest point of ore body of each mining subarea of the appointed mine, marking the connecting line as a topography reference line of each mining subarea of the appointed mine, extending the connecting line to a set reference horizontal plane, extracting an included angle between the topography reference line and the reference horizontal plane of each mining subarea of the appointed mine, marking the topography reference angle of each mining subarea of the appointed mine, and further extracting and corresponding an angle theta according to the topography reference angle of each mining subarea of the appointed mine j And based on the early warning relief angle delta theta of the exploitation area of the appointed mine 0 According to the formulaCalculating to obtain the relief safety index of each mining subarea of the appointed mine, wherein lambda 2 And the ore body mining safety correction index is expressed as a ore body mining safety correction index corresponding to the set ore body height difference.
Comprehensively calculating geological safety indexes corresponding to information parameters of mining subareas of specified mineWherein a is 1 And a 2 Respectively representing the geological safety influence weight values corresponding to the preset ore body height difference and the relief angle.
As a further design, the physical parameters of each mining subarea to which the specified mine belongs include deep displacement, surface displacement and stress.
As a further design, the analysis calculates a geological safety index corresponding to the physical parameters of each mining subarea to which the specified mine belongs, and the specific analysis process is as follows: the mining subareas of the appointed mine are respectively distributed with deep monitoring points and earth surface monitoring points to obtain the deep monitoring points and earth surface monitoring points of the mining subareas of the appointed mine, displacement monitoring is respectively carried out on the deep monitoring points and the earth surface monitoring points of the mining subareas of the appointed mine at a predefined time interval to obtain displacement amounts of the corresponding deep monitoring points and earth surface monitoring points of the mining subareas of the appointed mine, and the displacement amounts are respectively recorded as WY Deep j And WY Ground j Further, the early warning deep displacement delta WY of the mining area of the appointed mine is used Deep depth And early warning of the earth displacement delta WY Ground (floor) Carry-over formulaCalculating to obtain a safety index corresponding to the ore body displacement condition of each mining subarea of the appointed mine, wherein v 1 And v 2 The geological safety weight ratio is respectively expressed as the corresponding geological safety weight ratio of the deep displacement and the earth surface displacement of the exploitation area of the preset mine.
Arranging stress monitoring points on each mining subarea of the appointed mine according to the set depth interval to obtain and monitor stress of each stress monitoring point corresponding to each mining subarea of the appointed mine, and obtaining a stress value N of each stress monitoring point corresponding to each mining subarea of the appointed mine jd The depth of each mining subarea corresponding to each stress monitoring point of the specified mine is extracted, and then the depth is matched with the early warning stress values of the mining subareas corresponding to various depth intervals of the specified mine, so that the early warning stress value of each mining subarea corresponding to each stress monitoring point of the specified mine is obtained and recorded as delta N jd0 Calculating geological safety indexes corresponding to ore body stress of each mining subarea of specified mineWherein Φ "represents a geological safety correction value corresponding to preset ore body stress, d represents the number of each stress monitoring point, d=1, 2.
Calculating the geological safety index corresponding to the physical parameters of each mining subarea of the appointed mineWherein b 1 And b 2 Respectively representing the geological safety influence weight factors corresponding to the preset ore body displacement conditions and the ore body stress.
As a further design, the geological disaster early warning requirement index psi of each mining subarea of the appointed mine j The specific calculation formula is as follows:wherein kappa is 1 And kappa (kappa) 2 The geological disaster early warning requirement influence weight factors are respectively represented as the geological disaster early warning requirement influence weight factors corresponding to the preset information parameters and the physical parameters.
As a further design, the risk exploitation subarea is extracted to carry out geological disaster early warning management prompt, and the specific process is as follows: comparing the geological disaster early warning requirement index of each mining subarea of the appointed mine with a set geological disaster early warning requirement index threshold, and when the geological disaster early warning requirement index of a certain mining subarea of the appointed mine is higher than the geological disaster early warning requirement index threshold, marking the mining subarea of the appointed mine as a risk mining subarea, and extracting the number corresponding to the risk mining subarea to carry out geological disaster early warning management prompt.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects: (1) According to the intelligent monitoring and early warning system for the geological disasters in the mining area, accurate monitoring and analysis are carried out on the level of the geological disasters caused by mining factors of the mine, the attention degree of mining factors of the mine is improved, and the safety monitoring and analysis result of the mine is more comprehensive and rich by combining the level of screening and analyzing the natural environmental factors causing the geological disasters of the mine in the prior art, so that the mining safety of the mine can be fully and effectively guaranteed, fine potential safety hazards caused by mining can be found in a refined mode, potential safety risks caused to work of mining personnel are avoided, and negative influence on the mining construction progress of the whole mining area is avoided.
(2) According to the invention, the basic parameters of the appointed mine are obtained, the geological stability evaluation coefficient of the appointed mine is further calculated through preliminary analysis, the adaptation early warning parameters of the appointed mine are obtained through matching, the defect that the prior art is deficient in preliminary evaluation of the stability of the mine according to the type of the mine in the early stage is effectively overcome, and when the safety condition of the mine in the mining process is monitored in the follow-up process, scientific and reasonable judgment basis can be provided, so that the accuracy and extensibility of the final mine monitoring result are improved, the operation safety of the mining engineering of the mine can be fully ensured, the timeliness of timely processing the potential safety hazard of the mine is improved, and the safety early warning response efficiency of the mine is greatly improved.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
FIG. 1 is a schematic diagram of a system architecture connection according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention provides an intelligent monitoring and early warning system for geological disasters in a mining area, which comprises: the system comprises a basic parameter acquisition and analysis module, an adaptation early warning parameter matching module, a mining area live-action image acquisition and analysis module, a mining area physical parameter monitoring and analysis module, a comprehensive early warning center and a data cloud platform.
The basic parameter acquisition and analysis module is connected with the adaptation early warning parameter matching module, the adaptation early warning parameter matching module is respectively connected with the data cloud platform, the mining area live-action image acquisition and analysis module and the mining area physical parameter monitoring and analysis module, and the comprehensive early warning center is respectively connected with the mining area live-action image acquisition and analysis module and the mining area physical parameter monitoring and analysis module.
The basic parameter acquisition and analysis module is used for acquiring basic parameters of the appointed mine, and further performing preliminary analysis and calculation on the geological stability evaluation coefficient of the appointed mine.
Specifically, the basic parameters of the specified mine comprise mine types, predefined mining areas and historical potential safety hazard parameters, wherein the historical potential safety hazard parameters comprise the number of potential hazard points, the distribution positions of the potential hazard points and the corresponding radiation influence area.
The mine types include coal mine, metal mine, nonmetallic mine, building material mine, and the like.
Specifically, the geological stability evaluation coefficient of the specified mine comprises the following specific calculation processes: according to the mine type of the appointed mine, the safety influence factors corresponding to the single hidden trouble points of the preset various types of mines are matched, and the safety influence factor delta corresponding to the single hidden trouble points of the appointed mine is obtained 1 Similarly, the safety influence factor delta of the unit distribution interval of the corresponding hidden danger point of the appointed mine is obtained by matching 2 。
According to the number M of hidden trouble points of the appointed mine 0 Calculating geological stability indexes corresponding to the number of hidden danger points of a specified mineWherein e and χ 1 Respectively expressed as a preset natural constant and a geological stability influence correction value corresponding to the number of hidden trouble points。
According to the distribution position of each hidden danger point of the appointed mine and the predefined mining area, extracting the central point of the predefined mining area as a mining datum point, further extracting and obtaining the distance between each hidden danger point of the appointed mine and the mining datum point, and recording the distance as the distribution distance L of each hidden danger point of the appointed mine m And obtaining the average distribution interval of hidden trouble points of the appointed mine through average value processingFurther calculating the geological stability index corresponding to the distribution position of the hidden trouble points of the appointed mineWhere m is the number of each hidden trouble point, m=1, 2,.. 2 And the corrected value is expressed as a geological stability influence correction value corresponding to a preset hidden danger point distribution interval.
According to the radiation influence area S corresponding to each hidden trouble point of the appointed mine m And extracting the area S' of the predefined mining area, and further calculating the geological stability index corresponding to the radiation influence area to which the hidden trouble point of the specified mine belongsWherein χ is 3 And representing the geological stability influence correction factor corresponding to the radiation influence area to which the preset hidden danger point belongs.
Comprehensively calculating geological stability evaluation coefficient of specified mineWherein->And->The set number of hidden danger points, the distribution positions of the hidden danger points and the geological stability influence weight occupation ratio corresponding to the radiation influence areas of the hidden danger points are respectively expressed.
The adaptation early-warning parameter matching module is used for matching and obtaining adaptation early-warning parameters of the appointed mine according to the geological stability evaluation coefficient of the appointed mine.
Specifically, the matching obtains the adaptation early warning parameters of the appointed mine, and the specific process is as follows: according to the geological stability evaluation coefficient of the appointed mine, matching with the adaptive early warning parameters of various geological stability evaluation coefficient intervals stored in the data cloud platform to obtain the adaptive early warning parameters of the appointed mine, wherein the adaptive early warning parameters comprise early warning height differences, early warning relief angles, early warning deep displacement and early warning earth surface displacement of the exploitation region, and early warning stress values of the exploitation region corresponding to various depth intervals.
In a specific embodiment, the invention obtains the basic parameters of the appointed mine, further performs preliminary analysis and calculation on the geological stability evaluation coefficient of the appointed mine, and matches the basic parameters to obtain the adaptation early warning parameter of the appointed mine, thereby effectively overcoming the defect that the prior art is deficient in preliminary evaluation on the stability of the mine according to the type of the mine in the early stage, providing scientific and reasonable judgment basis when the safety condition of the mine is monitored in the exploitation process in the follow-up process, further improving the accuracy and extensibility of the final mine monitoring result, fully guaranteeing the operation safety of the mine exploitation engineering, improving the timeliness of timely processing the potential safety hazard of the mine, and further greatly improving the safety early warning response efficiency of the mine.
The mining area live-action image acquisition and analysis module is used for acquiring live-action images of mining areas of the specified mine, constructing a 3D model of the mining areas of the specified mine, dividing the 3D model to obtain mining subareas of the specified mine, extracting corresponding information parameters, and further analyzing and calculating geological security index omega corresponding to the information parameters of the mining subareas of the specified mine j 。
The method for acquiring the live-action image of the mining area of the appointed mine and constructing the 3D model of the mining area of the appointed mine comprises the following specific processes: and acquiring live-action images of the exploitation region of the appointed mine at a set monitoring time point through the intelligent inspection unmanned aerial vehicle, and constructing a 3D model of the exploitation region of the appointed mine based on the acquired live-action images of the exploitation region of the appointed mine to obtain the 3D model of the exploitation region of the appointed mine.
Specifically, the analysis and calculation of the geological safety index corresponding to the information parameter of each mining subarea of the appointed mine comprises the following specific analysis processes: according to the 3D model of the mining area of the appointed mine, dividing to obtain the 3D model of each mining subarea of the appointed mine, and extracting information parameters of each mining subarea of the appointed mine from the 3D model, wherein the information parameters comprise the highest point of the ore body and the lowest point of the ore body.
Extracting the height difference between the highest point and the lowest point of the ore body of each mining subarea of the appointed mine, and recording the height difference as the ore body height difference phi of each mining subarea of the appointed mine j And extracting the early warning height difference delta phi of the mining area of the specified mine 0 According to the formulaCalculating the ore body mining safety index of each mining subarea of the appointed mine, wherein lambda 1 The ore body mining safety correction value corresponding to the set ore body height difference is represented by j, and j=1, 2, & gt, n, each of which is represented by the number of each mining subarea.
According to the highest point and lowest point of ore body of each mining subarea of the appointed mine, connecting the highest point and lowest point of ore body of each mining subarea of the appointed mine in a corresponding straight line to obtain a connecting line between the highest point and the lowest point of ore body of each mining subarea of the appointed mine, marking the connecting line as a topography reference line of each mining subarea of the appointed mine, extending the connecting line to a set reference horizontal plane, extracting an included angle between the topography reference line and the reference horizontal plane of each mining subarea of the appointed mine, marking the topography reference angle of each mining subarea of the appointed mine, and further extracting and corresponding an angle theta according to the topography reference angle of each mining subarea of the appointed mine j And based on the early warning relief angle delta theta of the exploitation area of the appointed mine 0 According to the formulaCalculating to obtain the relief safety index of each mining subarea of the appointed mine, wherein lambda 2 And the ore body mining safety correction index is expressed as a ore body mining safety correction index corresponding to the set ore body height difference.
The reference level set above is: according to the lowest point of the ore body of each mining subarea of the appointed mine, further extracting the depth of the lowest point of the ore body of each mining subarea of the appointed mine, screening to obtain the lowest point of the ore body of the mining subarea of the appointed mine corresponding to the maximum depth, marking the lowest point as a horizontal plane to construct a reference point, vertically extending downwards at a set interval to obtain a corresponding engagement point, and constructing with the engagement point as a reference to obtain a reference horizontal plane.
Comprehensively calculating geological safety indexes corresponding to information parameters of mining subareas of specified mineWherein a is 1 And a 2 Respectively representing the geological safety influence weight values corresponding to the preset ore body height difference and the relief angle.
The mining area physical parameter monitoring and analyzing module is used for monitoring physical parameters of each mining subarea of the appointed mine, and further analyzing and calculating a geological security index xi corresponding to the physical parameters of each mining subarea of the appointed mine j 。
Specifically, the physical parameters of each mining subarea to which the specified mine belongs include deep displacement, earth surface displacement and stress.
Specifically, the analysis calculates a geological safety index corresponding to a physical parameter of each mining subarea to which the specified mine belongs, and the specific analysis process is as follows: the mining subareas belonging to the appointed mine are respectively distributed with deep monitoring points and earth surface monitoring points to obtain the deep monitoring points and earth surface monitoring points of the mining subareas belonging to the appointed mine, and the mining subareas belonging to the appointed mine are respectively monitored with the deep monitoring points and the earth surface monitoring points at a predefined time intervalThe displacement of the points is monitored to obtain the displacement of the corresponding deep monitoring points and the earth surface monitoring points of each mining subarea of the appointed mine, and the displacement is respectively recorded as WY Deep j And WY Ground j Further, the early warning deep displacement delta WY of the mining area of the appointed mine is used Deep depth And early warning of the earth displacement delta WY Ground (floor) Carry-over formulaCalculating to obtain a safety index corresponding to the ore body displacement condition of each mining subarea of the appointed mine, wherein v 1 And v 2 The geological safety weight ratio is respectively expressed as the corresponding geological safety weight ratio of the deep displacement and the earth surface displacement of the exploitation area of the preset mine.
Arranging stress monitoring points on each mining subarea of the appointed mine according to the set depth interval to obtain and monitor stress of each stress monitoring point corresponding to each mining subarea of the appointed mine, and obtaining a stress value N of each stress monitoring point corresponding to each mining subarea of the appointed mine jd The depth of each mining subarea corresponding to each stress monitoring point of the specified mine is extracted, and then the depth is matched with the early warning stress values of the mining subareas corresponding to various depth intervals of the specified mine, so that the early warning stress value of each mining subarea corresponding to each stress monitoring point of the specified mine is obtained and recorded as delta N jd0 Calculating geological safety indexes corresponding to ore body stress of each mining subarea of specified mineWherein Φ "represents a geological safety correction value corresponding to preset ore body stress, d represents the number of each stress monitoring point, d=1, 2.
Calculating the geological safety index corresponding to the physical parameters of each mining subarea of the appointed mineWherein b 1 And b 2 Geology corresponding to preset ore body displacement conditions and ore body stress respectivelyThe security affects the weight factor.
The above-mentioned devices for monitoring physical parameters of each mining subarea to which the specified mine belongs are displacement sensors and stress sensors.
The comprehensive early warning center is used for comprehensively calculating the geological disaster early warning requirement index of each mining subarea of the appointed mine according to the information parameter and the geological security index corresponding to the physical parameter of each mining subarea of the appointed mine, and further extracting the risk mining subarea to carry out geological disaster early warning management prompt.
Specifically, the geological disaster early-warning requirement index ψ of each mining subarea to which the specified mine belongs j The specific calculation formula is as follows:wherein kappa is 1 And kappa (kappa) 2 The geological disaster early warning requirement influence weight factors are respectively represented as the geological disaster early warning requirement influence weight factors corresponding to the preset information parameters and the physical parameters.
Specifically, the risk exploitation subarea is extracted to carry out geological disaster early warning management prompt, and the specific process is as follows: comparing the geological disaster early warning requirement index of each mining subarea of the appointed mine with a set geological disaster early warning requirement index threshold, and when the geological disaster early warning requirement index of a certain mining subarea of the appointed mine is higher than the geological disaster early warning requirement index threshold, marking the mining subarea of the appointed mine as a risk mining subarea, and extracting the number corresponding to the risk mining subarea to carry out geological disaster early warning management prompt.
The data cloud platform is used for storing adaptation early warning parameters of various geological stability evaluation coefficient intervals.
In a specific embodiment, the intelligent monitoring and early warning system for the geological disasters in the mining area is provided, so that accurate monitoring and analysis are carried out on the level of the geological disasters caused by mining factors of the mine, the attention degree of the mining factors of the mine is improved, and the safety monitoring and analysis result of the mine is more comprehensive and rich by combining the level of screening and analyzing the natural environment factors causing the geological disasters of the mine in the prior art, so that the mining safety of the mine can be fully and effectively ensured, the potential safety hazards caused by mining can be finely found, the potential safety risks caused to the work of mining personnel are avoided, and the adverse effects on the mining construction progress of the whole mining area are avoided.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art of describing particular embodiments without departing from the structures of the invention or exceeding the scope of the invention as defined by the claims.
Claims (9)
1. An intelligent monitoring and early warning system for geological disasters in mining areas, which is characterized by comprising:
the basic parameter acquisition and analysis module is used for acquiring basic parameters of the appointed mine, and further performing preliminary analysis and calculation on the geological stability evaluation coefficient of the appointed mine;
the adaptation early warning parameter matching module is used for matching and obtaining adaptation early warning parameters of the appointed mine according to the geological stability evaluation coefficient of the appointed mine;
the mining area live-action image acquisition and analysis module is used for acquiring live-action images of mining areas of the specified mine, constructing a 3D model of the mining areas of the specified mine, dividing the 3D model to obtain mining subareas of the specified mine, extracting corresponding information parameters, and further analyzing and calculating geological security index omega corresponding to the information parameters of the mining subareas of the specified mine j ；
The mining area physical parameter monitoring and analyzing module is used for monitoring physical parameters of each mining subarea of the appointed mine, and further analyzing and calculating a geological security index xi corresponding to the physical parameters of each mining subarea of the appointed mine j ；
The comprehensive early warning center is used for comprehensively calculating the geological disaster early warning requirement index of each mining subarea of the appointed mine according to the information parameter and the geological security index corresponding to the physical parameter of each mining subarea of the appointed mine, and further extracting the risk mining subarea to carry out geological disaster early warning management prompt;
the data cloud platform is used for storing the adaptation early warning parameters of various geological stability evaluation coefficient intervals.
2. The intelligent monitoring and early warning system for geological disasters in mining areas according to claim 1, wherein the intelligent monitoring and early warning system is characterized in that: the basic parameters of the appointed mine comprise mine types, predefined mining areas and historical potential safety hazard parameters, wherein the historical potential safety hazard parameters comprise the number of potential hazard points, the distribution positions of the potential hazard points and the corresponding radiation influence area.
3. The intelligent monitoring and early warning system for geological disasters in mining areas according to claim 2, wherein the intelligent monitoring and early warning system is characterized in that: the geological stability evaluation coefficient of the specified mine comprises the following specific calculation processes:
according to the mine type of the appointed mine, the safety influence factors corresponding to the single hidden trouble points of the preset various types of mines are matched, and the safety influence factor delta corresponding to the single hidden trouble points of the appointed mine is obtained 1 Similarly, the safety influence factor delta of the unit distribution interval of the corresponding hidden danger point of the appointed mine is obtained by matching 2 ；
According to the number M of hidden trouble points of the appointed mine 0 Calculating geological stability indexes corresponding to the number of hidden danger points of a specified mineWherein e and χ 1 Respectively representing the geological stability influence correction values corresponding to the number of the preset natural constants and hidden danger points;
according to the distribution position of each hidden danger point of the appointed mine and the predefined mining area, extracting the central point of the predefined mining area as a mining datum point, further extracting and obtaining the interval between each hidden danger point of the appointed mine and the mining datum point, and recording the interval as the distribution of each hidden danger point of the appointed mineInterval L m And obtaining the average distribution interval of hidden trouble points of the appointed mine through average value processingFurther calculating geological stability index corresponding to the distribution position of hidden danger points of the appointed mine>Where m is the number of each hidden trouble point, m=1, 2,.. 2 The geological stability influence correction value corresponding to the preset hidden danger point distribution interval is represented;
according to the radiation influence area S corresponding to each hidden trouble point of the appointed mine m And extracting the area S' of the predefined mining area, and further calculating the geological stability index corresponding to the radiation influence area to which the hidden trouble point of the specified mine belongsWherein χ is 3 The geological stability influence correction factors are represented as geological stability influence correction factors corresponding to the radiation influence areas to which the preset hidden danger points belong;
comprehensively calculating geological stability evaluation coefficient of specified mineWherein->And->The set number of hidden danger points, the distribution positions of the hidden danger points and the geological stability influence weight occupation ratio corresponding to the radiation influence areas of the hidden danger points are respectively expressed.
4. The intelligent monitoring and early warning system for geological disasters in mining areas according to claim 1, wherein the intelligent monitoring and early warning system is characterized in that: the matching obtains the adaptation early warning parameters of the appointed mine, and the specific process is as follows:
according to the geological stability evaluation coefficient of the appointed mine, matching with the adaptive early warning parameters of various geological stability evaluation coefficient intervals stored in the data cloud platform to obtain the adaptive early warning parameters of the appointed mine, wherein the adaptive early warning parameters comprise early warning height differences, early warning relief angles, early warning deep displacement and early warning earth surface displacement of the exploitation region, and early warning stress values of the exploitation region corresponding to various depth intervals.
5. The intelligent monitoring and early warning system for geological disasters in mining areas according to claim 4 is characterized in that: the analysis and calculation of the geological safety index corresponding to the information parameters of each mining subarea of the appointed mine comprises the following specific analysis processes:
dividing to obtain a 3D model of each mining subarea of the appointed mine according to the 3D model of the mining area of the appointed mine, and extracting information parameters of each mining subarea of the appointed mine from the 3D model, wherein the information parameters comprise the highest point of the ore body and the lowest point of the ore body;
extracting the height difference between the highest point and the lowest point of the ore body of each mining subarea of the appointed mine, and recording the height difference as the ore body height difference phi of each mining subarea of the appointed mine j And extracting the early warning height difference delta phi of the mining area of the specified mine 0 According to the formulaCalculating the ore body mining safety index of each mining subarea of the appointed mine, wherein lambda 1 The mining safety correction value corresponding to the set mining height difference is represented by j, wherein j is represented by the number of each mining subarea, j=1, 2, & gt, n;
according to the highest point and lowest point of ore body of each mining subarea of the appointed mine, corresponding straight line connection is carried out to obtain a connecting line between the highest point and the lowest point of ore body of each mining subarea of the appointed mine, the connecting line is marked as a topography reference line of each mining subarea of the appointed mine, and the topography reference line is set to the sameThe fixed reference horizontal plane is extended, the included angle between the reference line of the topography of each mining subarea of the appointed mine and the reference horizontal plane is extracted and recorded as the reference angle of the topography of each mining subarea of the appointed mine, and then the angle theta corresponding to the reference angle of the topography of each mining subarea of the appointed mine is extracted and obtained j And based on the early warning relief angle delta theta of the exploitation area of the appointed mine 0 According to the formulaCalculating to obtain the relief safety index of each mining subarea of the appointed mine, wherein lambda 2 The ore body exploitation safety correction index is expressed as an ore body exploitation safety correction index corresponding to the set ore body height difference;
comprehensively calculating geological safety indexes corresponding to information parameters of mining subareas of specified mineWherein a is 1 And a 2 Respectively representing the geological safety influence weight values corresponding to the preset ore body height difference and the relief angle.
6. The intelligent monitoring and early warning system for geological disasters in mining areas according to claim 1, wherein the intelligent monitoring and early warning system is characterized in that: the physical parameters of each mining subarea of the appointed mine comprise deep displacement, earth surface displacement and stress.
7. The intelligent monitoring and early warning system for geological disasters in mining areas according to claim 4 is characterized in that: the analysis and calculation of the geological safety index corresponding to the physical parameters of each mining subarea of the appointed mine comprises the following specific analysis processes:
the mining subareas belonging to the appointed mine are respectively distributed with deep monitoring points and earth surface monitoring points to obtain the deep monitoring points and earth surface monitoring points of the mining subareas belonging to the appointed mine, and the mining subareas belonging to the appointed mine are respectively monitored with the deep monitoring points and the earth surface monitoring points at a predefined time intervalThe displacement of the points is monitored to obtain the displacement of the corresponding deep monitoring points and the earth surface monitoring points of each mining subarea of the appointed mine, and the displacement is respectively recorded as WY Deep j And WY Ground j Further, the early warning deep displacement delta WY of the mining area of the appointed mine is used Deep depth And early warning of the earth displacement delta WY Ground (floor) Carry-over formulaCalculating to obtain a safety index corresponding to the ore body displacement condition of each mining subarea of the appointed mine, wherein v 1 And v 2 Respectively representing the geological safety weight ratio corresponding to the deep displacement and the earth surface displacement of a mining area of a preset mine;
arranging stress monitoring points on each mining subarea of the appointed mine according to the set depth interval to obtain and monitor stress of each stress monitoring point corresponding to each mining subarea of the appointed mine, and obtaining a stress value N of each stress monitoring point corresponding to each mining subarea of the appointed mine jd The depth of each mining subarea corresponding to each stress monitoring point of the specified mine is extracted, and then the depth is matched with the early warning stress values of the mining subareas corresponding to various depth intervals of the specified mine, so that the early warning stress value of each mining subarea corresponding to each stress monitoring point of the specified mine is obtained and recorded as delta N jd0 Calculating geological safety indexes corresponding to ore body stress of each mining subarea of specified mineWherein Φ "represents a geological safety correction value corresponding to preset ore body stress, d represents the number of each stress monitoring point, d=1, 2.
Calculating the geological safety index corresponding to the physical parameters of each mining subarea of the appointed mineWherein b 1 And b 2 Respectively expressed as preset ore body displacementThe geological safety corresponding to the condition and the stress of the ore body affects the weight factors.
8. The intelligent monitoring and early warning system for geological disasters in mining areas according to claim 1, wherein the intelligent monitoring and early warning system is characterized in that: geological disaster early warning requirement index psi of each mining subarea of specified mine j The specific calculation formula is as follows:wherein kappa is 1 And kappa (kappa) 2 The geological disaster early warning requirement influence weight factors are respectively represented as the geological disaster early warning requirement influence weight factors corresponding to the preset information parameters and the physical parameters.
9. The intelligent monitoring and early warning system for geological disasters in mining areas according to claim 1, wherein the intelligent monitoring and early warning system is characterized in that: the risk exploitation subarea is extracted to carry out geological disaster early warning management prompt, and the concrete process is as follows: comparing the geological disaster early warning requirement index of each mining subarea of the appointed mine with a set geological disaster early warning requirement index threshold, and when the geological disaster early warning requirement index of a certain mining subarea of the appointed mine is higher than the geological disaster early warning requirement index threshold, marking the mining subarea of the appointed mine as a risk mining subarea, and extracting the number corresponding to the risk mining subarea to carry out geological disaster early warning management prompt.
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