CN118429541A - Industrial big data application scene construction method combining three-dimensional digital twin model - Google Patents
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Abstract
The invention relates to an industrial big data application scene construction method combining a three-dimensional digital twin model, which comprises the following steps: three-dimensional digital twin models of reservoirs, buildings, hydroelectric generating sets, electrical equipment facilities and auxiliary facilities of the hydropower station are built in a classified mode; the method comprises the steps of connecting with an industrial Internet platform of a hydropower station, and extracting hydropower industrial big data; designing and developing an industrial three-dimensional scene of the hydropower station; establishing a three-dimensional engine which accords with the actual characteristics of the hydropower station, a twin model of the hydropower station and the data format requirements of industrial big data of the hydropower station; establishing a data exchange interface compatible with a three-dimensional engine in a data format of a hydroelectric three-dimensional digital twin model; scene-based hydropower stations and simulated simulations of reservoirs. The invention realizes the simulation of the hydropower station and the reservoir based on the scene and the real-time display and summarization of the operation and maintenance data of the hydropower station based on the three-dimensional application scene, improves the digital level of the hydropower station, and is beneficial to improving the management working efficiency and the safety level of the hydropower station.
Description
Technical Field
The invention belongs to the field of hydropower industry Internet, and particularly relates to an industrial big data application scene construction method combining a three-dimensional digital twin model.
Background
The three-dimensional digital twin technology is widely applied to hydraulic engineering, and in the design stage, the free adjustment and simulation of different parameters, conditions and factors are realized by establishing a virtual model of the engineering, so that the design scheme of the engineering is estimated more comprehensively and accurately. In the construction stage, the technology can realize digital management and optimal control of the construction process, and the construction progress and quality are monitored in the whole process. In addition, in the operation and maintenance stage, the hydraulic engineering digital twin technology can construct a virtual body which is the same as the physical world, so that the real-time understanding, analysis and prediction of the hydraulic engineering operation state are realized.
However, for large hydropower stations, equipment and facilities such as hydroelectric generating sets have complex structures, the three-dimensional digital twin model is difficult to construct, and how to acquire real-time operation data of the sets is also problematic.
The difficulty of building the digital twin model containing the hydropower station entity object is larger, the performance requirements of the dynamic simulation of the hydropower application scene on the three-dimensional engine and the server are high, and how to ensure the smooth use of the hydropower application scene is challenging for the development design party.
Disclosure of Invention
The invention aims to solve the problems and provide an industrial big data application scene construction method combined with a three-dimensional digital twin model, which constructs the three-dimensional digital twin model of a hydropower station entity object in different categories; designing and developing an industrial three-dimensional scene of the hydropower station; establishing a three-dimensional engine which accords with the actual characteristics of the hydropower station, a twin model of the hydropower station and the data format requirements of industrial big data of the hydropower station; the method realizes the simulation of the hydropower station and the reservoir based on the scene and the real-time display of the hydropower station operation and maintenance data based on the three-dimensional application scene.
The technical scheme of the invention is an industrial big data application scene construction method combining a three-dimensional digital twin model, which comprises the following steps:
Constructing a hydroelectric three-dimensional digital twin model: three-dimensional digital twin models of reservoirs, buildings, hydroelectric generating sets, electrical equipment facilities and auxiliary facilities of the hydropower station are built in a classified mode; according to the hierarchical relationship and the position relationship of the hydropower station building and the equipment, establishing the hierarchical association relationship and the position relationship of a three-dimensional digital twin model of the building and the equipment;
Data integration: the method comprises the steps of connecting with an industrial Internet platform of a hydropower station, and extracting industrial big data of the hydropower station;
And (3) constructing a hydropower application scene: designing and developing an industrial three-dimensional scene of a hydropower station, wherein the scene comprises more than two of topography, buildings, equipment and facilities of the hydropower station and a reservoir;
Constructing a three-dimensional engine: establishing a three-dimensional engine which meets the actual characteristics of the hydropower station, a twin model of the hydropower station and the data format requirements of hydropower station industrial big data, wherein the three-dimensional engine supports the physical simulation of related entity objects of the hydropower station and has the functions of hydropower station industrial three-dimensional scene rendering and interaction; simulating weather changes and lighting effects of a hydropower station and a reservoir environment;
defining a data exchange interface: establishing a data exchange interface compatible with the three-dimensional engine in a data format of the hydroelectric three-dimensional digital twin model, so that the three-dimensional digital twin model can be communicated with the three-dimensional engine and an application scene;
Scene interaction and visualization: based on the simulated simulation of the hydropower station and the reservoir of the scene, a user roams in a twin model of the hydropower station, observes equipment and the scene from different angles, and rotates, zooms, advances and translates the three-dimensional scene; the real-time state data of the hydropower station entity object in the industrial internet platform of the hydropower station are summarized and displayed in the scene in a chart form; simulating a dynamic effect of hydropower station operation based on a scene; simulating the scene change of the hydropower station under different conditions;
Constructing a three-dimensional digital twin platform: the method is used for integrating a hydropower three-dimensional digital twin model, a hydropower industry three-dimensional scene and a three-dimensional engine, and is connected with an industrial internet platform in a communication manner to acquire real-time state data of hydropower station entity objects in the hydropower station industrial internet platform.
Preferably, the three-dimensional digital twin platform specifically includes:
Business object architecture management module: the system is used for managing the entity object, the space structure, the standard component catalog, the twin object, the twin prototype and the data dictionary of the platform;
Model management module: including creation of items, decomposition of tasks, submission of results, conversion of models, storage of models, approval of models, and management of model resource libraries;
standard component management module: the method is used for creating, auditing and managing the components and managing the versions of the components;
A scene application management module: the method is used for scene template maintenance management, scene creation, scene application service and scene rights management.
Preferably, the three-dimensional digital twin structure model manufacturing process of the hydropower station building specifically comprises the following steps:
and (3) field measurement: comprehensively scanning the inside and the outside of the building by using a three-dimensional laser scanner to obtain high-precision point cloud data;
Archiving and informationizing drawing data and documents: collecting engineering files of a design drawing, a construction drawing and a completion drawing of a building, obtaining related documents of the building, classifying the documents and storing the documents into a database;
And (3) point cloud processing: cleaning, denoising and splicing original point cloud data of a building by using point cloud processing software to generate a fine three-dimensional point cloud model;
BIM modeling: creating a detailed BIM model of the three-dimensional building in building information model BIM software based on drawing materials or point cloud models, including but not limited to building structures, elevation, detail construction, electromechanical pipelines;
data integration of the Internet of things: the data of the Internet of things such as sensors, monitoring equipment and the like installed in the building are accessed into a model to reflect the running state of the building in real time;
Functional integration: and combining the BIM model with real-time data, a control system and an operation and maintenance management system to form a digital twin model with real-time feedback and simulation functions.
Preferably, the hierarchy of the building is: three-dimensional space-subspace-main building-sub-building.
Taking hydroelectric generating set equipment as an example, the three-dimensional digital twin structure model manufacturing process of the hydroelectric generating set equipment specifically comprises the following steps:
Mapping of objects: using a three-dimensional laser scanner to scan the hydroelectric generating set equipment and the space in which the hydroelectric generating set equipment is positioned with high precision, and acquiring the geometric dimension, the position relation and the detail characteristics of the equipment;
drawing data: collecting engineering files of design drawings, assembly drawings and component drawings of the hydroelectric generating set;
device parameters: acquiring technical parameters, working principles and maintenance record data of all parts of the hydroelectric generating set;
Three-dimensional geometric model: based on the scan data and the design drawing, creating a three-dimensional geometric model of each component of the hydroelectric generating set in professional 3D modeling software, including but not limited to a water turbine, a generator, an excitation system, a bearing, a volute and a draft tube;
and (3) assembly simulation: and performing virtual assembly according to the actual assembly relation and the running mechanism, and ensuring that the connection and the movement track between the models accord with the actual working conditions.
Preferably, the hierarchical relationship of the devices includes: the system to which the device belongs-device-component.
Preferably, the physical object coding system of the hydropower station equipment comprises 5-level codes, wherein the 1 st-level code is a factory-level code, the 2 nd-level code is a whole factory code, the 3 rd-level code is a system code, the 4 th-level code is an equipment code, and the 5 th-level code represents a component code.
Preferably, the scene construction method further comprises the step of carrying out light weight processing on the three-dimensional digital twin structure model to form a light weight model, wherein the light weight model is used for improving the loading efficiency of the three-dimensional digital twin structure model in an application scene;
the light weight treatment specifically comprises the following steps:
(1) Analyzing the source model: traversing a three-dimensional digital twin structure model, and counting bounding boxes of the model so as to determine the organization structure of the detail level tree;
(2) Establishing a detail level tree structure: performing accurate space division on the source model through a quadtree or octree structure, dynamically cutting out node tiles of the tree, and ensuring that leaf nodes in the tree can meet the requirements of triangular face number and texture precision;
(3) Node processing: in the geometric simplification process, controlling the point position precision;
(4) Texture processing: multiple textures are supported, and the original orthographic state of the textures is maintained; the color tone is balanced, the color depth is not lost, the texture coordinates are correct, and the texture transparency channel is not lost; performing texture remapping on the large texture file and generating a plurality of texture files conforming to the specification;
(5) A multiplexing model strategy is adopted: the processing principle of the multiplexing model in the light weight process is multiplexing to the greatest extent, so that the data volume of the light weight result is reduced;
(6) Exception handling: rejecting the degenerated triangle in the input model; repairing the model with texture coordinates but the texture is lost.
Preferably, the hydropower station industrial three-dimensional scene established by the construction of the hydropower station application scene comprises a Yangtze river basin step power station distribution scene, a hydropower station reservoir area scene, a hydropower station hub scene and a hydropower set perspective scene.
Compared with the prior art, the invention has the beneficial effects that:
1) According to the invention, the three-dimensional digital twin model of the hydropower station entity object is constructed, and the industrial three-dimensional scene of the hydropower station is further established, so that the simulation of the hydropower station and the reservoir based on the scene and the real-time display and summarization of the operation and maintenance data of the hydropower station based on the three-dimensional application scene are realized, the digital level of the hydropower station is improved, and the management working efficiency of the hydropower station is improved.
2) The invention realizes the data integration with the hydropower station industrial Internet platform by defining the data exchange interface, can check and analyze the real-time operation and maintenance data of the hydropower station through a three-dimensional scene, and can early warn against the abnormality or the fault of the hydropower station equipment and facility, thereby realizing the intelligent operation and maintenance of the hydropower station.
3) According to the invention, by constructing an industrial three-dimensional scene of the hydropower station, the scene-based simulation of the hydropower station and the reservoir is realized, the hydropower station simulation system can be used for training operation staff and maintenance staff of the hydropower station, emergency treatment of the hydropower station can be simulated based on an application scene, and the working efficiency and the safety level are improved; the potential safety risk and hidden danger can be judged through the analysis of the big data of the hydropower industry, so that workers can be helped to make protective measures in advance, and the safety of the workers and the integrity of equipment and facilities are ensured.
4) According to the invention, the three-dimensional digital twin model can reflect the operation states of various equipment and systems in the hydropower station extracted through the hydropower station industrial Internet platform, such as key parameters of unit operation efficiency, water level, flow, temperature, vibration and the like, so that operation staff can be helped to quickly identify abnormality and potential faults, and preventive maintenance can be performed in advance; through real-time analysis of the data, the transition from passive response to active prediction and management can be realized, the unplanned downtime caused by sudden faults is reduced, and the continuous and stable operation of the power station is ensured.
5) The three-dimensional visualization function based on the scene provided by the invention enables a hydropower station management layer to intuitively grasp the overall and internal construction details of the hydropower station, and assists a decision-making manager in making more scientific and accurate decisions in the aspects of hydropower station scheduling, overhaul, capacity expansion transformation and the like.
6) The invention constructs the digital twin model of the hydropower station building and the facilities and the corresponding application scene, and is beneficial to improving the working efficiency of the hydropower mechanical system and reducing the energy consumption through the simulation and the test of the hydropower station equipment and the facilities based on the scene.
7) The invention realizes the management of the whole life cycle of hydropower station assets such as hydropower station buildings, equipment facilities and the like by constructing the three-dimensional digital twin platform, guides reasonable equipment updating and maintenance planning of the hydropower station buildings and the equipment facilities, and is beneficial to the construction of intelligent hydropower stations.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a schematic view of a large hydropower station according to an embodiment of the invention.
FIG. 2 is a schematic diagram of a three-dimensional digital twin model of a dam junction according to an embodiment of the present invention.
Fig. 3 is a rendering effect diagram of a three-dimensional engine according to an embodiment of the present invention.
Fig. 4 is a scene effect diagram of a hydropower station supporting GIS and a topography thereof according to an embodiment of the invention.
FIG. 5 is a schematic diagram of a three-dimensional digital twin model of a large hydropower station in accordance with an embodiment of the invention.
Fig. 6 is a schematic diagram of vehicle positioning in a hydropower station scenario according to an embodiment of the invention.
Fig. 7 is an effect diagram of a distribution scene of a Yangtze river basin step power station according to an embodiment of the invention.
Fig. 8 is a perspective scene effect diagram of a hydroelectric generating set according to an embodiment of the invention.
Fig. 9 is a schematic diagram of a three-dimensional digital twin model of a hydropower station office building according to an embodiment of the invention.
Fig. 10 is an effect diagram of a scenario of a hydropower station junction according to an embodiment of the present invention.
Detailed Description
The industrial big data application scene construction method combining the three-dimensional digital twin model comprises the following steps:
Constructing a hydroelectric three-dimensional digital twin model: three-dimensional digital twin models of reservoirs, buildings, hydroelectric generating sets, electrical equipment facilities and auxiliary facilities of the hydropower station are built in a classified mode; according to the hierarchical relationship and the position relationship of the hydropower station building and the equipment, establishing the hierarchical association relationship and the position relationship of a three-dimensional digital twin model of the building and the equipment;
Data integration: the method comprises the steps of connecting with an industrial Internet platform of a hydropower station, and extracting industrial big data of the hydropower station;
And (3) constructing a hydropower application scene: an industrial three-dimensional scene of the hydropower station is designed and developed, wherein the scene comprises more than two of topography, buildings, equipment and facilities of the hydropower station and a reservoir, and the scene is shown in figure 1.
Constructing a three-dimensional engine: establishing a three-dimensional engine which meets the actual characteristics of the hydropower station, a twin model of the hydropower station and the data format requirements of hydropower station industrial big data, wherein the three-dimensional engine supports the physical simulation of related entity objects of the hydropower station and has the functions of hydropower station industrial three-dimensional scene rendering and interaction; simulating weather changes and lighting effects of a hydropower station and a reservoir environment;
defining a data exchange interface: establishing a data exchange interface compatible with the three-dimensional engine in a data format of the hydroelectric three-dimensional digital twin model, so that the three-dimensional digital twin model can be communicated with the three-dimensional engine and an application scene;
Scene interaction and visualization: based on the simulated simulation of the hydropower station and the reservoir of the scene, a user roams in a twin model of the hydropower station, observes equipment and the scene from different angles, and rotates, zooms, advances and translates the three-dimensional scene; the real-time state data of the hydropower station entity object in the industrial internet platform of the hydropower station are summarized and displayed in the scene in a chart form; simulating a dynamic effect of hydropower station operation based on a scene; simulating the scene change of the hydropower station under different conditions;
Constructing a three-dimensional digital twin platform: the method is used for integrating a hydropower three-dimensional digital twin model, a hydropower industry three-dimensional scene and a three-dimensional engine, and is connected with an industrial internet platform in a communication manner to acquire real-time state data of hydropower station entity objects in the hydropower station industrial internet platform.
In an embodiment, the data extracted from the industrial internet platform of the hydropower station comprises key parameters such as the running state of each device and system in the hydropower station, such as the running efficiency of a unit, the water level, the flow, the temperature, the vibration and the like.
The three-dimensional digital twin platform in the embodiment specifically comprises:
Business object architecture management module: the system is used for managing the entity object, the space structure, the standard component catalog, the twin object, the twin prototype and the data dictionary of the platform;
Model management module: including creation of items, decomposition of tasks, submission of results, conversion of models, storage of models, approval of models, and management of model resource libraries;
standard component management module: the method is used for creating, auditing and managing the components and managing the versions of the components;
A scene application management module: the method is used for scene template maintenance management, scene creation, scene application service and scene rights management.
A three-dimensional digital twin model of a hydropower station constructed in the three-dimensional digital twin platform is shown in fig. 2 and 5.
One embodiment of the invention adopts a three-dimensional graphic engine, which has a perfect editor, has the characteristics of reusability, safety, high availability, manageability, expandability and the like, supports WebGL release, supports various data acquisition interfaces, can be accessed into various data types and supports manual input data display, and comprises but is not limited to: real-time data, relational data, cache data, file data, other heterogeneous data, and the like; the three-dimensional graphic engine supports rapid creation and generation of a three-dimensional scene, and can also use a model uploading plug-in to upload a 3D model which needs to be supplemented by itself in real-time editing processing to achieve an expected effect; support and hold topography to show, semitransparent, hide the operation, support the component to keep apart, hide, show the operation. The three-dimensional graphic engine can perform manual intervention when the three-dimensional scene is operated, so that more information data is acquired, and calculation or decision is assisted; supporting a scene multi-opening and picture-in-picture technology, and enabling more than 20 3D pictures to be opened on a graphic workstation simultaneously; the pure B/S mode is supported, and the operation mode of any browser plug-in and client is not relied on.
The three-dimensional graphic engine provides high-performance rendering performance and quality, meets the requirement of simultaneous online access of multiple people, and is easy for subsequent maintenance and upgrading; support has import and loading functions with third party three-dimensional model files, including but not limited to: multiple three-dimensional model formats such as fbx, & obj, & dae, & stl, & vtk, & amf, & 3ds, & gltf, & json, & max; the data encryption processing of the three-dimensional scene is supported, and the core data resources cannot be used even if copied; the external data is supported to be pushed into the 3D scene, object information display is realized, and the display of the equivalent effect is monitored in real time; supporting callable buttons, text boxes, copy boxes and external UI resources, and constructing a complete and complex application interface in a 3D scene; the method has the advantages that the method supports direct conversion of the three-dimensional model file into a data format preferred by a system, reduces the difficulty of three-dimensional modeling, and supports most grids, cameras, lamplight, mapping and materials; the texture mapping generated by various global light renderers is supported, the conversion is convenient and quick, and the scene can be exported and previewed by simple operation; physical parameters such as size, color, gravity and the like of the object can be modified randomly according to requirements, meanwhile, the effect of the object can be controlled, and the complex scene requirements can be realized. The three-dimensional graphic engine supports the realization of flexible and convenient scene visual angle adjustment control and realizes the complex visual angle switching requirement.
The three-dimensional graphic engine supports the combination of a three-dimensional model, a three-dimensional animation of the model is created by an end user, the three-dimensional animation does not need to have three-dimensional development capability, the configuration of a three-dimensional scene is carried out in a visible and obtained mode, and all three-dimensional applications in a configured three-dimensional scene applicable platform are carried out. Specific actions supported by the three-dimensional graphics engine include: moving, rotating, highlighting, display hiding, viewing angle control, transparency, delayed execution, setting labels, UV animation, changing stickers, first person cameras, modifying colors, resetting materials, resetting positions, custom functions, etc.; the measurement of the length, angle and area of the space is supported, and the function of cutting the cube and cutting the single surface is supported; support anchor point, label, mark function. The three-dimensional graphic engine supports various data integration support modes, supports various forms such as team cooperation data, data warehouse, text and the like, and can be displayed through the front end of the application system.
The running scenes of all three-dimensional models of the three-dimensional graphic engine are optimized in model surface number and beautifying model effect, the three-dimensional model rendering effect adopts texture effect, material effect, metal effect, paint effect, light shadow effect and the like which are close to those of real equipment, and the scene rendering effect of the power generation plant of the embodiment is shown in fig. 3. The three-dimensional graphic engine supports a plurality of browsing modes, including still observation and camera animation, and users can realize browsing in different modes without defining very complex parameters. During operation, the control mode may be switched by hot zone, hot keys. The user may interact with objects or attributes in the three-dimensional scene using a mouse, keyboard, event trigger, and timed trigger.
The three-dimensional graphic engine supports GIS, BIM and electromechanical equipment integrated full stack technical capability, supports the file formats of a mainstream GIS model, a BIM model and electromechanical equipment model, and supports various coordinate systems and map projection, such as WGS84, cutterhead projection and the like. The effect of a scenario involving the Yangtze river and its topography in an embodiment is shown in FIG. 4.
The performance of the three-dimensional graphics engine is shown in table 1.
TABLE 1 Performance parameter Table for three-dimensional graphics engines
The components of the three-dimensional digital twin platform in the embodiment comprise a scene viewing component, a scene editing component, a particle special effect component, an animation configuration component, an engine configuration component and a data configuration component.
The scene viewing component adopts no plug-in to realize online preview of three-dimensional scenes, and various office documents, picture documents, drawing formats, texts, various audio and video files and the like; the method and the device support online previewing of various files, picture previewing operation, online playing of various streaming media format files, online previewing of various engineering drawings, rapid loading without plug-ins and the like; and the method supports manual intervention during the running of the three-dimensional scene, acquires more information data and assists calculation or decision. Besides supporting three-dimensional basic operations such as scaling, translation, rotation and the like, the method further expands corresponding association of a structural tree and model components, measurement, elevation, dynamic definition of object grouping, six-view angle one-key switching, configuration of a model action library during running, real-time preview of correction actions and the like; the method supports the operation of man-machine interaction, and the detailed checking of the structure, the component composition and the technical parameters of the equipment, and the comprehensive understanding and grasping of the complete information of the equipment structure, including the whole structure display and the structure display of each component equipment.
The scene editing component comprises a whole three-dimensional scene, a building, a green plant, equipment, figures, an auxiliary facility environment, a plant area topography, a production factory building, a pipeline, a valve, a bridge, equipment and the like for deep editing processing and optimization. The integrated three-dimensional model uploading function can upload a commonly used three-dimensional model format file into an editor for processing; and may generate self-maintenance model library management: the method comprises a self action library, a material library and the like of the model; visual scene editing, configuration, data binding, text labels, and the like.
Scene editing includes position editing, morphological editing, on a single model, where position editing operations include rotation, pan scaling, and point-to-point alignment, placing the model in a target position. The morphological editing includes editing of model size and morphological parameters, editing of materials, and the like.
The particle special effect component simulates abstract visual effects such as fire, explosion, smoke, water flow, spark, cloud, fog, snow and dust, luminous track and the like; the corresponding scene effects such as pipe explosion and the like can be displayed according to the monitoring condition of the field device.
The animation configuration component can combine the three-dimensional digital twin model to create an action group of the model, and then the action group is used for an application scene; in the animation editor, frame animations of each frame are configured for a model, device or component in the scene, including azimuth information of each model component in a model group, each action group including a plurality of specific actions, and an action queue can be freely adjusted in order.
The engine configuration component supports the configuration of the configuration component of the engine, and specific actions supported by the basic configuration component in the scene comprise moving and replacing a map, a first-person camera, modifying color, resetting materials, resetting positions, resetting viewing angles, initializing states, customizing functions and the like; the engine global rendering parameters, the global rendering effects, the performance parameters and the like are configured in real time through the interface.
The data configuration component supports data configuration for scenes, a plurality of display panel components are arranged in the data configuration library, the display form of the panel can be freely configured, and the data can be independently controlled and read according to the requirement. The method and the system realize the inquiry and reading of the data table, call the service interface, combine the three-dimensional dynamic presentation and other operations by the client. The module content provided in the data configuration component comprises three-dimensional model data, dynamic panel data, chart data, directory tree, model layer data, attribute data, extension information, extension data and other component configuration content, and can be combined with a specific service scene to request a rear-end interface in real time based on a standard Restful interface. In the embodiment, the effect of vehicle positioning after data configuration is performed on a certain hydropower station scene is shown in fig. 6.
The three-dimensional scene is the comprehensive embodiment of various services and IT technical elements, such as basic environment, object body, related offline, real-time data resources, man-machine display, application control, service rules and the like, which are involved in the three-dimensional application.
The hydropower application scene in the embodiment mainly comprises: and three-dimensional models such as GIS/BIM/electromechanical equipment, three-dimensional functions such as checking, cracking, measuring, assembling and calling of three-dimensional information, and dynamic and static data driving related to entity objects in a real service scene. The data of the entity object comprises drawing archival data, coding data, attribute parameters, operation data, production real-time data, overhaul operation and maintenance data, security monitoring data and the like.
The three-dimensional scene of hydropower station industry developed and established in the embodiment comprises a Yangtze river basin step power station distribution scene, a hydropower station reservoir area scene, a hydropower station hub scene and a perspective scene of a hydropower set.
As shown in fig. 7, the distribution scene of the step power station in the Yangtze river basin integrates the hydropower station data and the map coordinate data in the Yangtze river basin by using the Yangtze river basin map as the background through the distribution of the departments and production units of the hydropower station distribution digital map display company in the Yangtze river basin, so as to form the digital map navigation service. The visualization of the hydropower information is realized by using a chart type visualization component, and the modern management results of group companies are displayed through expression, modeling and three-dimensional, surface, attribute and animation. Labeling geographic position coordinates of each power station project on a three-dimensional map, and displaying basic information of each hydropower station in a mode of combining a dynamic three-dimensional model with a visual data chart; and extracting, predicting and reorganizing the data resources to realize visual display of the data. Clicking the hydropower department labels on the map should generate interaction, further introducing the hydrological water conservancy information such as the hydropower unit type, the hydropower unit assembly capacity, the hydropower station development venation and the like of the display power station, and matching text description on the map according to the requirement.
The hydropower station reservoir area scene integrates reservoir area water conservancy and hydropower data with map coordinate data to construct a three-dimensional digital panoramic power station covering reservoir area terrains, power plant reservoir areas, hubs, dams, factory building halls and other water systems and hydraulic buildings, and main electromechanical equipment. The digital panoramic interface can realize rapid three-dimensional panoramic information retrieval, meet the functional requirements of users for viewing models, data and documents, and provide comprehensive data support for the objects to be visited.
As shown in FIG. 10, the hydropower station junction scene adopts a hydropower station junction three-dimensional model with a 1:1 size, the three-dimensional entity model reflects the real size of the component, and the bottom of the three-dimensional model is consistent with the attachment surface of the three-dimensional entity model. The hydraulic junction mainly displays the field environments of hydraulic junction appearance, hydraulic construction, factory buildings, generator layers, bus chambers, water turbine layers, technical water supply layers, factory electric chambers, tail water platforms, main transformers, GIS switch stations, cable galleries and the like, and realizes equipment positioning; the system supports two modes of free roaming and roaming tour, the free roaming can control the roaming visual angle and the roaming moving direction through a keyboard, a user is supported to observe hydraulic equipment and the whole environment of a power plant from any angle, an operator can freely switch the visual angle, interactively check the equipment state with the equipment, and learn equipment data; roaming tour can realize roaming display requirement by storing different roaming viewpoints and connecting the whole line in series, and the roaming mode, path and speed are adjusted according to the requirement. The roaming navigation can introduce the equipment functions and running states of all building scenes in the warehouse area by combining characters, labels and visual angle shots, and meanwhile, the platform supports scene automatic multicasting.
As shown in fig. 8, the perspective scene of the hydroelectric generating set displays the real-time running state and analysis data of the designated equipment in a three-dimensional visual mode, and displays the dynamic and static information of the equipment: static data such as equipment technical parameters, maintenance histories, drawing information and the like are included, display control of different layers and different position areas is realized through linkage, and the running state of the equipment can be displayed through effects such as model transparency, different color distinction, label flickering and the like; analysis and display tools supporting waveform, frequency spectrum, axis track, space axis, waterfall diagram, trend, related analysis and the like; and displaying the operating condition points of the unit through the custom labels.
Claims (10)
1. The industrial big data application scene construction method combining the three-dimensional digital twin model is characterized by comprising the following steps of:
Constructing a hydroelectric three-dimensional digital twin model: three-dimensional digital twin models of reservoirs, buildings, hydroelectric generating sets, electrical equipment facilities and auxiliary facilities of the hydropower station are built in a classified mode; according to the hierarchical relationship and the position relationship of the hydropower station building and the equipment, establishing the hierarchical association relationship and the position relationship of a three-dimensional digital twin model of the building and the equipment;
Data integration: the method comprises the steps of connecting with an industrial Internet platform of a hydropower station, and extracting industrial big data of the hydropower station;
And (3) constructing a hydropower application scene: designing and developing an industrial three-dimensional scene of a hydropower station, wherein the scene comprises more than two of topography, buildings, equipment and facilities of the hydropower station and a reservoir;
Constructing a three-dimensional engine: establishing a three-dimensional engine which meets the actual characteristics of the hydropower station, a twin model of the hydropower station and the data format requirements of hydropower station industrial big data, wherein the three-dimensional engine supports the physical simulation of related entity objects of the hydropower station and has the functions of hydropower station industrial three-dimensional scene rendering and interaction; simulating weather changes and lighting effects of a hydropower station and a reservoir environment;
defining a data exchange interface: establishing a data exchange interface compatible with the three-dimensional engine in a data format of the hydroelectric three-dimensional digital twin model, so that the three-dimensional digital twin model can be communicated with the three-dimensional engine and an application scene;
Scene interaction and visualization: based on the simulated simulation of the hydropower station and the reservoir of the scene, a user roams in a twin model of the hydropower station, observes equipment and the scene from different angles, and rotates, zooms, advances and translates the three-dimensional scene; the real-time state data of the hydropower station entity object in the industrial internet platform of the hydropower station are summarized and displayed in the scene in a chart form; simulating a dynamic effect of hydropower station operation based on a scene; simulating the scene change of hydropower stations under different conditions.
2. The method for constructing the industrial big data application scene combining the three-dimensional digital twin model according to claim 1, wherein the scene constructing method further comprises the step of constructing a three-dimensional digital twin platform, wherein the three-dimensional digital twin platform is used for integrating the hydroelectric three-dimensional digital twin model, the hydroelectric industry three-dimensional scene and the three-dimensional engine and is connected with an industrial internet platform in a communication way to acquire real-time state data of a hydropower station entity object in the hydropower station industrial internet platform.
3. The method for constructing an industrial big data application scene combining a three-dimensional digital twin model according to claim 2, wherein the three-dimensional digital twin platform specifically comprises:
Business object architecture management module: the system is used for managing the entity object, the space structure, the standard component catalog, the twin object, the twin prototype and the data dictionary of the platform;
Model management module: including creation of items, decomposition of tasks, submission of results, conversion of models, storage of models, approval of models, and management of model resource libraries;
standard component management module: the method is used for creating, auditing and managing the components and managing the versions of the components;
A scene application management module: the method is used for scene template maintenance management, scene creation, scene application service and scene rights management.
4. The method for constructing industrial big data application scenes combining with three-dimensional digital twin models according to claim 3, wherein the process for manufacturing the three-dimensional digital twin structure model of the hydropower station building specifically comprises the following steps:
and (3) field measurement: comprehensively scanning the inside and the outside of the building by using a three-dimensional laser scanner to obtain high-precision point cloud data;
Archiving and informationizing drawing data and documents: collecting engineering files of a design drawing, a construction drawing and a completion drawing of a building, obtaining related documents of the building, classifying the documents and storing the documents into a database;
And (3) point cloud processing: cleaning, denoising and splicing original point cloud data of a building by using point cloud processing software to generate a fine three-dimensional point cloud model;
BIM modeling: based on drawing materials or a point cloud model, a detailed BIM model of the three-dimensional building is created in building information model BIM software, wherein the BIM model comprises a building structure, a vertical face, a detail structure and an electromechanical pipeline;
Data integration of the Internet of things: the data of the Internet of things of the sensors and the monitoring equipment installed in the building are accessed into a model to reflect the running state of the building in real time;
Functional integration: and combining the BIM model with real-time data, a control system and an operation and maintenance management system to form a digital twin model with real-time feedback and simulation functions.
5. The method for constructing industrial big data application scenes combining the three-dimensional digital twin model according to claim 4, wherein the hierarchical structure of the building is: three-dimensional space-subspace-main building-sub-building.
6. The method for constructing industrial big data application scenes combining three-dimensional digital twin models according to claim 2, 3, 4 or 5, wherein the process for manufacturing the three-dimensional digital twin structure model of hydropower station equipment specifically comprises the following steps:
Mapping of objects: using a three-dimensional laser scanner to scan the hydroelectric generating set equipment and the space in which the hydroelectric generating set equipment is positioned with high precision, and acquiring the geometric dimension, the position relation and the detail characteristics of the equipment;
drawing data: collecting engineering files of design drawings, assembly drawings and component drawings of the hydroelectric generating set;
device parameters: acquiring technical parameters, working principles and maintenance record data of all parts of the hydroelectric generating set;
Three-dimensional geometric model: based on the scanning data and the design drawing, creating a three-dimensional geometric model of each component part of the hydroelectric generating set in three-dimensional modeling software, wherein the three-dimensional geometric model comprises a water turbine, a generator, an excitation system, a bearing, a volute and a draft tube;
and (3) assembly simulation: and performing virtual assembly according to the actual assembly relation and the running mechanism, and ensuring that the connection and the movement track between the models accord with the actual working conditions.
7. The method for constructing an industrial big data application scene in combination with a three-dimensional digital twin model according to claim 6, wherein the hierarchical relationship of the device comprises: the system to which the device belongs-device-component.
8. The method for constructing industrial big data application scenes by combining the three-dimensional digital twin model according to claim 7, wherein the physical object coding system of the hydropower station equipment comprises 5-level codes, wherein the 1 st-level code is a factory-level code, the 2 nd-level code is a whole factory code, the 3 rd-level code is a system code, the 4 th-level code is an equipment code, and the 5 th-level code represents a component code.
9. The method for constructing the industrial big data application scene combining the three-dimensional digital twin model according to claim 2 or 3 or 4 or 5 or 7 or 8, wherein the scene constructing method further comprises the step of carrying out light weight processing on the three-dimensional digital twin model to form a light weight model for improving the loading efficiency of the three-dimensional digital twin model in the application scene;
the light weight treatment specifically comprises the following steps:
(1) Analyzing the source model: traversing a three-dimensional digital twin structure model, and counting bounding boxes of the model so as to determine the organization structure of the detail level tree;
(2) Establishing a detail level tree structure: performing accurate space division on the source model through a quadtree or octree structure, dynamically cutting out node tiles of the detail level tree, and ensuring that leaf nodes in the detail level tree meet the requirements of triangle face number and texture precision;
(3) Node processing: in the geometric simplification process, controlling the point position precision of the model;
(4) Texture processing: the original texture orthographic state is maintained; equalizing the tone so that the color depth is not lost, the texture transparency channel is not lost, and the correct texture coordinates are maintained; performing texture remapping on the large texture file, and generating a plurality of texture files conforming to the specification;
(5) A multiplexing model strategy is adopted: the processing principle of the multiplexing model in the light weight process is multiplexing to the greatest extent, so that the data volume of the light weight result is reduced;
(6) Exception handling: rejecting the degenerated triangle in the model; repairing the model with texture coordinates but the texture is lost.
10. The method for constructing industrial big data application scenes by combining the three-dimensional digital twin model according to claim 9, wherein the hydropower station industrial three-dimensional scene established by the construction of the hydropower station application scenes comprises a Yangtze river basin step power station distribution scene, a hydropower station reservoir area scene, a hydropower station hub scene and a hydropower set perspective scene.
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