CN104462649B - A kind of automatic update method of ore body block segment model reserves - Google Patents
A kind of automatic update method of ore body block segment model reserves Download PDFInfo
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- CN104462649B CN104462649B CN201410620887.4A CN201410620887A CN104462649B CN 104462649 B CN104462649 B CN 104462649B CN 201410620887 A CN201410620887 A CN 201410620887A CN 104462649 B CN104462649 B CN 104462649B
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Abstract
The invention provides a kind of automatic update method of ore body block segment model reserves, comprise the following steps：DEM and two part of three-dimensional ore body block segment model M1, M2 are set up in units of stope；M2 is divided in units of geographical cell space, identifier attribute is excavated in increase in M2；Power shovel real-time coordinates information is read, corresponding elevation information at the first DEM grid is updated, the excavation identifier of the geographical cell spaces of M2 is updated to excavate；M1 and M2 reserves are calculated, by third-party platform calculated reserves, when the error of three result of calculation is not in 5%, M2 reserves are recalculated after the subdivision density for increasing the geographical cell spaces of M2 until error is less than 5%.A kind of automatic update method of ore body block segment model ore body block segment model reserves of the present invention, block segment model and reserves can be updated by power shovel coordinate information in process of production, the complete monitoring to production process is realized, while reserves computational efficiency is improved, the degree of accuracy of calculating is improved.
Description
Technical field
The present invention relates to GIS-Geographic Information System and Mine Informatization technical field, especially, it is related to a kind of ore body block Duan Mo
The automatic update method of type reserves.
Background technology
Ore reserve management is the key link of mineral resource value, and ore reserve is managed to the side of information system management
To development, classical management approach increasingly shows its limitation and inadaptability.China is in ore reserve management aspect in recent years
It has been made significant headway that, while yet generally existing ore reserve is unclear, mining-employed reserves supervision is out of control causes mineral resources wave
The problems such as taking surprising.As Chinese society is developed rapidly with economic, all departments also increase increasingly to the demand of mineral products so that
Progressively turn into the restraining factors of China's mining industry economics sustainable and healthy development in the managerial problem of ore reserve.
In order to optimize mineral resources exploitation supervision and management, mine resources storage is grasped comprehensively, accurately, in time
Situation of change and mine resources reserves exploitation range situation are measured, to resources development and utilization supervision and management, dynamic grasps resource
Reserves resources, strengthen mineral resource value order, it is necessary to carry out Resource management dynamic supervision, the management of reserves dynamic supervisory
Platform, rationally foundation and means are provided for mine resources reserves using supervision and management, promote mineral resources conservation and rationally utilization.
In order to realize reserve dynamic management, industry common practice is in ore deposit first with monitoring devices such as total powerstation, GPS
Mountain is carried out to be detected on the spot, works out ore body reserves dynamic calculation figure, and Resource management is carried out to mine and examines delineation productive limit,
Calculated reserves, developing amount, produced quantity etc..Then, according to Resource management verification result, mine minerals resource reserve platform is made a report on
Account.Using this scheme, manual intervention is more, operational ton is big, and periodically reserves can only be updated, it is impossible to recovery process
It is monitored in real time.
Another solution is by dynamic monitoring DEM (digital elevation model, Digital Elevation Model)
Set up the mode dynamic calculation reserves of three-dimensional ore body model.《Surface mine reserves dynamic monitoring based on 3 d grid data
Research and application》There is provided a kind of method of reserves dynamic monitoring, the party in (Jiang Rui etc., mineral products and geology, in October, 2009)
Method comprises the following steps：Carry out field survey using GPS to mining area by monitoring department first, obtain goaf scope coordinate and
Elevation, sets up the DEM models of measuring point data and generates mine and adopt rear landform DEM grid maps.Then searched whether in database
Threedimensional model is had, if it has, the minimum point height of ore body summit elevation and goaf is then found, positioned there between all
3 d grid model data find out, ore body and ore body is unminded it is determined that having exploited, finally by all blocks for having exploited ore body
Segment body product, which is added, obtains exploitated ore amount.This method is also to need manual site to determine production zone after monitoring, and does not meet reality
When the requirement that monitors.Meanwhile, determine that reserves calculating can not avoid the presence of mistake after exploitation ore body by scanning grid, without many
Plant computational methods to be compared, data lack convincingness.
The content of the invention
Present invention aims at a kind of automatic update method of ore body block segment model reserves is provided, to solve technical problem.
To achieve the above object, the invention provides a kind of automatic update method of ore body block segment model reserves, including with
Lower step：
A. the first DEM and two part of identical three-dimensional ore body block segment model M1, M2 are set up in units of stope；
B. by M2 using geographical cell space as unit zoning, identifier attribute is excavated in increase in M2；By geographical cell space
Spatial positional information and the corresponding attribute information write into Databasce for being adopted thing of each geographical cell space；
C. the real-time three-dimensional coordinate information of power shovel is periodically read, corresponding elevation letter at the first DEM grid is updated
Breath, while the excavation identifier of the geographical cell space of position corresponding to M2 is updated to excavate；
D. calculating is constrained by DTM (digital terrain model, Digital Terrain Model) and obtains M1 reserves, passed through
Statistics has excavated the calculating of cell space threshold value constraint and has obtained M2 reserves, calculated reserves after database is accessed by third-party platform, by three
Individual result of calculation write into Databasce；When the error of three result of calculation is in 5%, step e is carried out；When the mistake of three result of calculation
Difference recalculates M2 reserves after increasing the inside sum of series edge series of the geographical cell spaces of M2 not in 5%；
E. the information of the reserve information of contrast conting and weighbridge system acquisition；When both errors are in 5%, step f is carried out；
When both errors are not in 5%, step d, the computation model precision of adjustment DTM constraints are gone back to；
F. it is transferred to step c.
It is preferred that, the above method also includes：The first DTM and M2 is modified according to stope the end of month figure：
S1, when stope the end of month figure be contour dwg files, according to the interpolation of contours generate the 2nd DEM；
When stope the end of month figure is discrete point dat files, minimum with DEM grid differentiates at least one discrete point in unit
Data are criterion, judge the dense degree of point, generate the 2nd DEM during less than criterion after interpolation, meet criterion
The 2nd DEM is then directly generated according to discrete point；
S2, subtraction is carried out to the 2nd DEM and the first DEM obtain the 3rd DEM, obtained after being scanned to the 3rd DEM
Height value at each point；If height value is negative, expression is dug herein, by the spatial positional information of the location point and the 2nd DEM
The elevation value information of correspondence position, which is added, updates point list；
The renewal point list that S3, basis are obtained updates the first DEM and M2.
It is preferred that, the power shovel positional information updated in step c on the first DEM and M2 is：
Z1, the three-dimensional location data for reading power shovel, obtain the row i and row j in the DEM corresponding to the position；
Height value H at Z2, reading DEM (i, j) position；
If Z3, Z value are less than H, H is updated to Z values, and this three-dimensional location data point is labeled as data available；Such as
Fruit Z values are more than H, then without updating, and this three-dimensional location data point is labeled as into unavailable data.
It is preferred that, above-mentioned steps also include：
After first DEM updates, with the smooth DEM of 3X3 template, burr point is rejected, and the information after the renewal of burr point is added
Enter in three-dimensional position set.
It is preferred that, read after power shovel three-dimensional location data, be converted into and the first DEM, M2 identical coordinate
System.
It is preferred that, read after power shovel three-dimensional location data, determine the stope corresponding to the position.
It is preferred that, DEM resolution ratio is 0.5m.
The invention has the advantages that：
A kind of automatic update method of ore body block segment model ore body block segment model reserves of the present invention, can be in process of production
Block segment model and reserves are updated by power shovel coordinate information, the complete monitoring to production process is realized, reserves are being improved
While computational efficiency, the degree of accuracy of calculating is improved.
It is of the invention with original reserves dynamically update compared with, have the following advantages that：
1st, by power shovel information updating block segment model and DTM, high precision, speed are fast, real-time is good, can realize digging
The complete monitoring of pick process；
2nd, by the block segment model and DTM calculated reserves of real-time update, reserve information can be obtained in time, and pass through a variety of sides
Method calculated reserves, data result reliability is high；
3rd, it is compared when reserves calculate fructufy with weighbridge data, that is, can guarantee that the accuracy of result of calculation, and can prevent
The only loss of mineral resources；
When the 4th, updating ore body model, geographical cell space spatial coordinated information is not updated and excavation identity property is directly updated, speed
Degree is fast, efficiency high.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic flow sheet of the preferred embodiment of the present invention；
Fig. 2 is the flow chart of the ore body model update method of the preferred embodiment of the present invention；
Fig. 3 is the flow chart of the end of month figure update method in the present invention.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Referring to Fig. 1, Fig. 2 and Fig. 3, the present invention provides a kind of automatic update method of ore body block segment model reserves, specific real
Applying method is as follows：
1. data prepare
1.1, by geologic datas such as opening table, deviational survey table, sample table, lithology table, landform, are used in units of stope
Dimine digital mine softwares set up two parts of identical piece of segment model M1, M2, and add in M2 the excavation of integer type
Identifier ISDigged fields, acquiescence ISDigged values are 0；
1.2 obtain the first DEM (digital elevation moulds of 0.5 meter of resolution ratio in whole mine region by modes such as unmanned planes
Type), cut according to each stope scope, the DEM set up in units of stope；
1.3 set up in stope spatial database, stope table in addition to basic space attribute, non-spatial attributes, it is necessary to have
The fields such as stope numbering, stope ID, stope DEM paths, stope block segment model path, stope tag block segment model path.Need
It is noted that stope, DEM, block segment model want unified coordinate system；
1.4 will be put in storage after the parsing of each stope tag block segment model, and the table should contain stope ID, block segment model numbering, record
ID, X, Y, Z, xLength, yLength, zLength, ore-rock type, body weight, resource type, Al203, apart from Al203、Si02, away from
From Si02、Fe203, apart from Fe203, density, Distance Density, ore-bearing rate, apart from fields such as ore-bearing rates；
1.5 set up power shovel real time information table, and the table should have the words such as point ID, excavator ID, X, Y, Z, acquisition time
Section；
1.6 set up reserve statistics information table, and the table should have stope ID, acquisition time, amount of metal, ore deposit amount, average grade, ore deposit
The fields such as grade；
1.7 in units of geographical cell space, and M2 is divided into several regions.
2. block the segment model M2 and DEM of update mark
By the block segment model M2 and the first DEM of the power shovel coordinate information update mark obtained in real time.
2.1 read the data newly produced in this minute in power shovel real time information table every 1 minute, if excavated
Mechanical shovel bucket position coordinates system is differed, it is necessary to carry out projection transform with the first DEM's；
Data in 2.2 pair 2.1 carry out spatial analysis with stope table, determine which stope which point is located in；
2.3 according to 2.2 result, with the first DEM of power shovel three-dimensional coordinate set information updating stope where it
With the block segment model M2 data of mark.When updating DEM, a three-dimensional location data is read, is determined in the DEM corresponding to the position
Row i and row j.Read the height value H at DEM (i, j) position, if Z values are less than H, H be updated to Z values, and by this three
Tie up location data points and be labeled as data available；If Z values are more than H, marked without updating, and by this three-dimensional location data point
For unavailable data.Update after DEM finishes, with the smooth DEM of 3X3 template, reject burr point, and the letter after burr point is updated
Breath is also added in three-dimensional position set.Update after DEM, M2 data are updated using three-dimensional position set.By the ground of corresponding position
The ISDigged of reason cell space is updated to 1, while changing the ISDigged fields of the geographical cell space in database.
3. reserves are calculated automatically
It is automatic to carry out reserves calculating after the first DEM and M2 data have been updated.
3.1 read the first DEM and block segment model M1 of each stope, constrain calculated reserves using DTM, obtain amount of metal, ore deposit
The information such as amount, average grade, ore deposit grade, and these data are write into reserve statistics information table；
3.2 read the tag block segment model M2 of each stope, using threshold value constraint ISDigged=1 calculated reserves, obtain gold
The information such as category amount, ore deposit amount, average grade, ore deposit grade, and these data are write into reserve statistics information table；
The tag block segment model table of 3.3 reading databases, by third party's reserve statistics software calculated reserves, and by result
Write reserve statistics information table；；When the error of three result of calculation is in 5%, step 3.4 is carried out；When three result of calculation
Error is not in 5%, and the inside sum of series edge series for increasing geographical cell space repartitions M2, is then transferred to step 3.2, again
M2 reserves are calculated until the error of three result of calculation is in 5%；
3.4 the statistics of statistics and weighbridge system in 1 hour is compared；When both errors are 5%
Interior, by national standard, the statistics is correct, then goes back to step 2, and scraper bowl coordinate information is updated again；When both errors
Not in 5%, then it is assumed that there are errors in computation, calculating is re-started after going back to step 3.1, the computation model precision of adjustment DTM constraints,
Until both errors are contracted in 5%.
4. the end of month figure updates
In order to obtain more accurate result, each the end of month surveys and draws stope exploiting field topographic map again, to automatically update first
DEM is modified, so that the result that correction block segment model and reserves are calculated.Dynamic surveillance stope the end of month map file folder of the present invention,
It was found that during newly-increased dat or dwg formatted files, starting the end of month figure and updating.
The data form of 4.1 analysis stope the end of month figures, if contour dwg files, is then generated according to the interpolation of contours
0.5m the 2nd DEM；If discrete point dat, then at least one discrete points data in unit is differentiated with the minimum of DEM grid
For criterion, the dense degree of point is judged, when more sparse after (discrete point that minimum is differentiated in unit is less than one) interpolation
0.5m DEM is generated, 0.5m the 2nd DEM is otherwise directly generated according to point；
4.2 pair of first dem data carries out spatial analysis with stope table, determines stope to be updated；
2nd DEM of 4.3 pairs of the end of month figures and the first DEM of each stope carry out grid subtraction and obtain the 3rd DEM, to new
3rd DEM of generation is scanned line by line, judges the height value at each point.If negative, expression is dug herein, and by the moon
X, Y, H that the point is schemed at end add renewal point list.The block segment model of the first DEM and mark is updated with obtained renewal point list
M2；
4.4 by the way of step 3 automatic calculated reserves.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of automatic update method of ore body block segment model reserves, it is characterised in that comprise the following steps：
A. the first DEM and two part of identical three-dimensional ore body block segment model M1, M2 are set up in units of stope；
B. identifier attribute is excavated in increase in M2, will be adopted thing corresponding to the spatial positional information of cell block and unit block
Attribute information write into Databasce；
C. the real-time three-dimensional coordinate information of power shovel is periodically read, corresponding elevation information at the first DEM grid is updated, together
When the excavation identifier of the cell block of position corresponding to M2 is updated to excavate；
D. calculating is constrained by DTM and obtains M1 reserves, having excavated the calculating of cell space threshold value constraint by statistics obtains M2 reserves, passes through
Third-party platform accesses calculated reserves after database, by three result of calculation write into Databasce；When the error of three result of calculation
In 5%, step e is carried out；When the error of three result of calculation is not in 5%, and increase the inside sum of series side of M2 cell blocks
M2 reserves are recalculated after edge series；
E. the information of the reserve information of contrast conting and weighbridge system acquisition；When both errors are in 5%, step f is carried out；When two
Person's error goes back to step d, the computation model precision of adjustment DTM constraints not in 5%；
F. it is transferred to step c.
2. the automatic update method of a kind of ore body block segment model reserves according to claim 1, it is characterised in that also wrap
Include：The first DTM and M2 is modified according to stope the end of month figure：
S1, when stope the end of month figure be contour dwg files, according to the interpolation of contours generate the 2nd DEM；
When stope the end of month figure is discrete point dat files, minimum with DEM grid differentiates at least one discrete points data in unit
For criterion, the dense degree of discrete point is judged, generate the 2nd DEM during less than criterion after interpolation, meet criterion
The 2nd DEM is then directly generated according to discrete point；
S2, subtraction carried out to the 2nd DEM and the first DEM obtain the 3rd DEM, obtained after being scanned to the 3rd DEM it is each from
Height value at scatterplot, if height value is negative, expression is dug herein, by the spatial positional information of discrete point herein and second
The elevation value information of DEM correspondence positions, which is added, updates point list；
The renewal point list that S3, basis are obtained updates the first DEM and M2.
3. a kind of automatic update method of ore body block segment model reserves according to claim 1, it is characterised in that step c
Power shovel positional information on the first DEM and M2 of middle renewal is：
Z1, the three-dimensional location data for reading power shovel, obtain the row i and row j in the DEM corresponding to the position；
Height value H at Z2, reading DEM (i, j) position；
If Z3, Z value are less than H, H is updated to Z values, and this three-dimensional location data point is labeled as data available；If Z values
More than H, then without updating, and this three-dimensional location data point is labeled as unavailable data.
4. the automatic update method of a kind of ore body block segment model reserves according to claim 3, it is characterised in that also wrap
Include：
After first DEM updates, with the smooth DEM of 3X3 template, burr point is rejected, and the information after the renewal of burr point is added three
Tie up in location sets.
5. the automatic update method of a kind of ore body block segment model reserves according to claim 3, it is characterised in that read and dig
Dig after mechanical shovel bucket three-dimensional location data, be converted into and the first DEM, M2 identical coordinate system.
6. the automatic update method of a kind of ore body block segment model reserves according to claim 3, it is characterised in that read and dig
Dig after mechanical shovel bucket three-dimensional location data, determine the stope corresponding to the position.
7. the automatic update method of a kind of ore body block segment model reserves according to claim 1, it is characterised in that DEM's
Resolution ratio is 0.5m.
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| CN105389451B (en) * | 2015-12-29 | 2017-07-28 | 山东科技大学 | A kind of in good time accurate modeling method for unmanned getting working face |
| CN107977426A (en) * | 2017-11-28 | 2018-05-01 | 辽宁工程技术大学 | A kind of open-pit mine stope step automatic update method |
| CN112783947A (en) * | 2021-01-22 | 2021-05-11 | 中冶一局环境科技有限公司 | Reserves verification method and equipment |
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| WO2010065992A1 (en) * | 2008-12-08 | 2010-06-17 | Technological Resources Pty. Limited | A method of mining ore |
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| CN101114276A (en) * | 2007-08-28 | 2008-01-30 | 中国地质大学（武汉） | Solid body mineral deposit three-dimensional visual reserves calculation system and computation method |
| WO2010065992A1 (en) * | 2008-12-08 | 2010-06-17 | Technological Resources Pty. Limited | A method of mining ore |
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