CN117852295A - Digital twinning-based coal mine accident simulation system - Google Patents
Digital twinning-based coal mine accident simulation system Download PDFInfo
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- CN117852295A CN117852295A CN202410060073.3A CN202410060073A CN117852295A CN 117852295 A CN117852295 A CN 117852295A CN 202410060073 A CN202410060073 A CN 202410060073A CN 117852295 A CN117852295 A CN 117852295A
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Abstract
The invention discloses a digital twinning-based coal mine accident simulation system, which comprises: the system comprises a data acquisition module, a physical model module, a data acquisition module, a simulation module, a visualization module and a prediction module; the data acquisition module is used for acquiring coal mine environment information; the physical model module is used for constructing a coal mine physical perception model according to the coal mine environment information; the data acquisition module is used for acquiring real-time working condition parameters; the simulation module is used for simulating coal mine behaviors according to the coal mine physical perception model and real-time working condition parameters; the visualization module is used for displaying the digital twin state, the simulation result and the prediction data; and the prediction module predicts the accident risk according to the data obtained by simulation and the real-time working condition parameters. The invention can provide more efficient and more accurate safety management support, is beneficial to preventing accidents, improving emergency response capability and continuously improving the safety performance of coal mine operation.
Description
Technical Field
The invention belongs to the technical field of digital twinning, and particularly relates to a digital twinning-based coal mine accident simulation system.
Background
The coal mine production system is a complex system consisting of people, machines and environment, and various dangerous sources such as energy carriers or dangerous substances, faults of objects, physical environment factors, organization management factors and the like can cause gas and coal dust explosion, water burst, underground fire, roof accidents, gas protrusion, electromechanical accidents and the like. In addition, various risk factors have dynamics, randomness, and ambiguity.
The reasons for the occurrence of coal mine accidents are various, and besides the great relation with the natural conditions, mining technology, management level, safety consciousness, personnel quality and the like of the mine, the informatization level of technical equipment is still an extremely critical factor. At present, a plurality of mines are equipped with monitoring systems, but because underground workplaces of the coal mines are dynamically changed, dangerous factors influencing accidents are also continuously changed, the existing monitoring facilities only monitor partial safety parameters, the possible places, time and sweep intervals of the accidents are difficult to predict and analyze, corresponding measures cannot be taken according to the predicted data, finally, the safety accidents are difficult to obviously reduce, the hazard degree cannot be effectively controlled, and the accident causes are difficult to investigate and clear.
The coal mine accident simulation system is a system for simulating and training coal mine production safety management and accident emergency treatment. Computer software and models are generally used for simulating the occurrence process, countermeasure and emergency treatment method of coal mine accidents, a more real and accurate simulation result is provided for effectively controlling the accidents, and the emergency response capability and safety awareness of coal mine staff are improved.
Disclosure of Invention
The invention aims to provide a digital twinning-based coal mine accident simulation system to solve the problems in the prior art.
In order to achieve the above purpose, the invention provides a digital twinning-based coal mine accident simulation system, which comprises:
the system comprises a data acquisition module, a physical model module, a data acquisition module, a simulation module, a visualization module and a prediction module;
the data acquisition module is used for acquiring coal mine environment information;
the physical model module is used for constructing a coal mine physical perception model according to the coal mine environment information;
the data acquisition module is used for acquiring real-time working condition parameters;
the simulation module is used for simulating coal mine behaviors according to the coal mine physical perception model and real-time working condition parameters;
the visualization module is used for displaying the digital twin state, the simulation result and the prediction data;
and the prediction module predicts the accident risk according to the data obtained by simulation and the real-time working condition parameters.
Optionally, the data acquisition module comprises a first acquisition unit and a second acquisition unit;
the first acquisition unit is used for acquiring ventilation data and mining plan of the coal mine;
the second acquisition unit is used for acquiring key equipment and layout diagrams in the coal mine.
Optionally, the physical model module comprises an information extraction unit, a model construction unit and a fusion unit;
the information extraction unit is used for obtaining the length of each tunnel, the coordinate value of each tunnel node and the connection relation of each tunnel node in the mine according to the ventilation data; acquiring the support type and the section shape of each roadway in the mine according to the mining plan;
the model building unit is used for building a mine tunnel physical model and a key equipment physical model;
the fusion unit is used for establishing a three-dimensional coordinate system for the mine tunnel physical model and the key equipment physical model, and fusing the mine tunnel physical model and the key equipment physical model according to the three-dimensional coordinate system and the layout diagram to obtain a coal mine physical perception model.
Optionally, the model building unit comprises a first building unit and a second building unit;
the first construction unit is used for constructing the mine tunnel physical model by modeling software according to the length of each tunnel, the coordinate value of each tunnel node, the connection relation of each tunnel node, the support type and the section shape of each tunnel in the mine;
the second construction unit is used for scanning the three-dimensional data of the key equipment through a three-dimensional scanner, constructing a physical model of the key equipment based on the three-dimensional data and a digital computer, and inputting parameters of the key equipment into the corresponding physical model.
Optionally, the data acquisition module comprises a first acquisition unit, a second acquisition unit and a transmission unit;
the first acquisition unit is used for acquiring physical parameters and chemical parameters of a coal mine in real time through a plurality of sensors;
the second acquisition unit is used for acquiring the running state information of the equipment; the real-time working condition parameters comprise physical parameters and chemical parameters of the coal mine and the running state information of the equipment;
the transmission unit is used for integrating the acquired data according to the time sequence and storing the integrated data in the time sequence database, setting a rollback mechanism, rolling back the transaction when the storage is abnormal, storing the abnormal data in the real-time database, verifying the transmission data, storing the transmission data in the time sequence database and adding a mark.
Optionally, the simulation module comprises a limiting unit, a correcting unit and a simulation unit;
the limiting unit is used for designing an accident scene, limiting initial conditions and triggering conditions and constructing mathematical relations among elements in the coal mine physical perception model;
the simulation unit is used for performing simulation under each accident scene based on the real-time working condition parameters and the coal mine physical perception model.
Optionally, the simulation unit converts initial conditions corresponding to the accident scene into an initial state of the model, determines simulation duration, stores each element value in real time in the simulation process, acquires historical real data, compares the simulation data with the historical real data, and updates the model according to the error value.
Optionally, the prediction module acquires real-time working condition parameters stored in the database, detects abnormal values, extracts time sequence data of occurrence moments of the abnormal values, compares the time sequence data with the mathematical relationship, judges validity of the abnormal values, eliminates invalid data, performs feature extraction on the processed time sequence data, extracts feature information from simulation data according to accident scenes, matches the feature information, and judges whether accident risks exist.
The invention has the technical effects that:
in the method, a model of a mine and a model of equipment are respectively established, a coordinate system is established, and fusion is carried out through an equipment layout diagram to obtain a final model; analyzing mathematical relations among a plurality of parameters in a coal mine according to historical data, designing initial conditions of each accident scene, obtaining an initial state of simulation of the model by adaptively converting the initial conditions, judging the existence of error values by comparing simulation data with real historical accident data, and continuously updating the model according to the error values; acquiring real-time working condition parameters, and updating real-time data to enable the model to reflect actual states and changes; and carrying out data processing on the real-time working condition parameter data according to the mathematical relationship among the parameters obtained by analysis, and judging whether accident risks exist according to the processed data. The invention can provide more efficient and more accurate safety management support, is beneficial to preventing accidents, improving emergency response capability and continuously improving the safety performance of coal mine operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
fig. 1 is a schematic diagram of a system structure according to an embodiment of the present invention.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that illustrated herein.
Example 1
As shown in fig. 1, in this embodiment, a digital twin-based coal mine accident simulation system is provided, which includes:
the system comprises a data acquisition module, a physical model module, a data acquisition module, a simulation module, a visualization module, a prediction module and a response module;
the data acquisition module is used for acquiring coal mine environment information;
in some embodiments, the data acquisition module includes a first acquisition unit, a second acquisition unit;
the first acquisition unit is used for acquiring ventilation data and mining plan of the coal mine;
the second acquisition unit is used for acquiring key equipment and layout diagrams in the coal mine.
The physical model module is used for constructing a coal mine physical perception model according to the coal mine environment information;
in some embodiments, the physical model module comprises an information extraction unit, a model construction unit and a fusion unit;
the information extraction unit is used for obtaining the length of each tunnel, the coordinate value of each tunnel node and the connection relation of each tunnel node in the mine according to the ventilation data; acquiring the support type and the section shape of each roadway in the mine according to the mining plan;
the model building unit is used for building a mine tunnel physical model and a key equipment physical model;
the fusion unit is used for establishing a three-dimensional coordinate system for the mine tunnel physical model and the key equipment physical model, and fusing the mine tunnel physical model and the key equipment physical model according to the three-dimensional coordinate system and the layout diagram to obtain a coal mine physical perception model.
In some embodiments, the model building unit comprises a first building unit, a second building unit;
the first construction unit is used for constructing the mine tunnel physical model by modeling software according to the length of each tunnel, the coordinate value of each tunnel node, the connection relation of each tunnel node, the support type and the section shape of each tunnel in the mine;
the second construction unit is used for scanning the three-dimensional data of the key equipment through a three-dimensional scanner, constructing a physical model of the key equipment based on the three-dimensional data and a digital computer, and inputting parameters of the key equipment into the corresponding physical model.
The data acquisition module is used for acquiring real-time working condition parameters;
in some embodiments, the data acquisition module comprises a first acquisition unit, a second acquisition unit, and a transmission unit;
the first acquisition unit is used for acquiring physical parameters and chemical parameters of a coal mine in real time through a plurality of sensors;
the second acquisition unit is used for acquiring the running state information of the equipment; the real-time working condition parameters comprise physical parameters and chemical parameters of the coal mine and the running state information of the equipment;
the transmission unit is used for integrating the acquired data according to the time sequence and storing the integrated data in the time sequence database, setting a rollback mechanism, rolling back the transaction when the storage is abnormal, storing the abnormal data in the real-time database, verifying the transmission data, storing the transmission data in the time sequence database and adding a mark.
The simulation module is used for simulating coal mine behaviors according to the coal mine physical perception model and real-time working condition parameters;
in some embodiments, the simulation module comprises a defining unit, a correcting unit, a simulation unit;
the limiting unit is used for designing an accident scene, limiting initial conditions and triggering conditions and constructing mathematical relations among elements in the coal mine physical perception model;
the simulation unit is used for performing simulation under each accident scene based on the real-time working condition parameters and the coal mine physical perception model.
In some embodiments, the simulation unit converts initial conditions corresponding to the accident scene into an initial state of the model, determines simulation duration, stores each element value in real time in the simulation process, acquires historical real data, compares the simulation data with the historical real data, and updates the model according to the error value.
And the prediction module predicts the accident risk according to the data obtained by simulation and the real-time working condition parameters.
In some embodiments, the prediction module obtains real-time working condition parameters stored in the database, detects abnormal values, extracts time sequence data of occurrence moments of the abnormal values, compares the time sequence data with the mathematical relationship, judges validity of the abnormal values, eliminates invalid data, performs feature extraction on the processed time sequence data, extracts feature information of simulation data according to accident scenes, matches the feature information, and judges whether accident risks exist.
The visualization module is used for displaying the digital twin state, the simulation result and the prediction data;
specifically, the system also comprises an accident response and emergency management module and a data analysis and optimization module, wherein the accident response and emergency management module provides emergency management and response suggestions, including evacuation paths, rescue measures, safety guidelines and the like, aiming at simulated accident situations, so as to help miners and managers to make correct decisions under emergency conditions. The data analysis and optimization module analyzes the running condition of the coal mine system based on simulation and real-time data, identifies potential improvement points, and proposes optimization suggestions to help improve the safety and efficiency of the system.
In the embodiment, a model of a mine and a model of equipment are respectively established, a coordinate system is established, and fusion is carried out through an equipment layout diagram to obtain a final model; analyzing mathematical relations among a plurality of parameters in a coal mine according to historical data, designing initial conditions of each accident scene, obtaining an initial state of simulation of the model by adaptively converting the initial conditions, judging the existence of error values by comparing simulation data with real historical accident data, and continuously updating the model according to the error values; acquiring real-time working condition parameters, and updating real-time data to enable the model to reflect actual states and changes; and carrying out data processing on the real-time working condition parameter data according to the mathematical relationship among the parameters obtained by analysis, and judging whether accident risks exist according to the processed data. The embodiment can provide more efficient and accurate safety management support, is beneficial to preventing accidents and improving emergency response capability, and continuously improves the safety performance of coal mine operation.
The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. The digital twinning-based coal mine accident simulation system is characterized by comprising the following steps of:
the system comprises a data acquisition module, a physical model module, a data acquisition module, a simulation module, a visualization module and a prediction module;
the data acquisition module is used for acquiring coal mine environment information;
the physical model module is used for constructing a coal mine physical perception model according to the coal mine environment information;
the data acquisition module is used for acquiring real-time working condition parameters;
the simulation module is used for simulating coal mine behaviors according to the coal mine physical perception model and real-time working condition parameters;
the visualization module is used for displaying the digital twin state, the simulation result and the prediction data;
and the prediction module predicts the accident risk according to the data obtained by simulation and the real-time working condition parameters.
2. The digital twinning-based coal mine accident simulation system according to claim 1, wherein the digital twinning-based coal mine accident simulation system comprises a digital twinning-based coal mine accident simulation system,
the data acquisition module comprises a first acquisition unit and a second acquisition unit;
the first acquisition unit is used for acquiring ventilation data and mining plan of the coal mine;
the second acquisition unit is used for acquiring key equipment and layout diagrams in the coal mine.
3. The digital twinning-based coal mine accident simulation system according to claim 2, wherein,
the physical model module comprises an information extraction unit, a model construction unit and a fusion unit;
the information extraction unit is used for obtaining the length of each tunnel, the coordinate value of each tunnel node and the connection relation of each tunnel node in the mine according to the ventilation data; acquiring the support type and the section shape of each roadway in the mine according to the mining plan;
the model building unit is used for building a mine tunnel physical model and a key equipment physical model;
the fusion unit is used for establishing a three-dimensional coordinate system for the mine tunnel physical model and the key equipment physical model, and fusing the mine tunnel physical model and the key equipment physical model according to the three-dimensional coordinate system and the layout diagram to obtain a coal mine physical perception model.
4. A digital twinning-based coal mine accident simulation system according to claim 3,
the model construction unit comprises a first construction unit and a second construction unit;
the first construction unit is used for constructing the mine tunnel physical model by modeling software according to the length of each tunnel, the coordinate value of each tunnel node, the connection relation of each tunnel node, the support type and the section shape of each tunnel in the mine;
the second construction unit is used for scanning the three-dimensional data of the key equipment through a three-dimensional scanner, constructing a physical model of the key equipment based on the three-dimensional data and a digital computer, and inputting parameters of the key equipment into the corresponding physical model.
5. The digital twinning-based coal mine accident simulation system according to claim 1, wherein the digital twinning-based coal mine accident simulation system comprises a digital twinning-based coal mine accident simulation system,
the data acquisition module comprises a first acquisition unit, a second acquisition unit and a transmission unit;
the first acquisition unit is used for acquiring physical parameters and chemical parameters of a coal mine in real time through a plurality of sensors;
the second acquisition unit is used for acquiring the running state information of the equipment; the real-time working condition parameters comprise physical parameters and chemical parameters of the coal mine and the running state information of the equipment;
the transmission unit is used for integrating the acquired data according to the time sequence and storing the integrated data in the time sequence database, setting a rollback mechanism, rolling back the transaction when the storage is abnormal, storing the abnormal data in the real-time database, verifying the transmission data, storing the transmission data in the time sequence database and adding a mark.
6. The digital twinning-based coal mine accident simulation system according to claim 1, wherein the digital twinning-based coal mine accident simulation system comprises a digital twinning-based coal mine accident simulation system,
the simulation module comprises a limiting unit, a correcting unit and a simulation unit;
the limiting unit is used for designing an accident scene, limiting initial conditions and triggering conditions and constructing mathematical relations among elements in the coal mine physical perception model;
the simulation unit is used for performing simulation under each accident scene based on the real-time working condition parameters and the coal mine physical perception model.
7. The digital twinning-based coal mine accident simulation system according to claim 6, wherein the digital twinning-based coal mine accident simulation system comprises a digital twinning-based coal mine accident simulation system,
the simulation unit converts initial conditions corresponding to the accident scene into an initial state of the model, determines simulation duration, stores each element value in real time in the simulation process, acquires historical real data, compares the simulation data with the historical real data, and updates the model according to the error value.
8. The digital twinning-based coal mine accident simulation system according to claim 6, wherein the digital twinning-based coal mine accident simulation system comprises a digital twinning-based coal mine accident simulation system,
the prediction module acquires real-time working condition parameters stored in the database, detects abnormal values, extracts time sequence data of occurrence moments of the abnormal values, compares the time sequence data with the mathematical relationship, judges validity of the abnormal values, eliminates invalid data, performs feature extraction on the processed time sequence data, extracts feature information from simulation data according to accident scenes, matches the feature information, and judges whether accident risks exist.
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| CN118133434A (en) * | 2024-05-08 | 2024-06-04 | 桉睿数字化科技(北京)有限公司 | Digital ocean engineering module transportation simulation method and system |
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| CN118133434A (en) * | 2024-05-08 | 2024-06-04 | 桉睿数字化科技(北京)有限公司 | Digital ocean engineering module transportation simulation method and system |
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