CN104899922A - Three-dimensional holographic generation method for intelligent power grid visualization application - Google Patents
Three-dimensional holographic generation method for intelligent power grid visualization application Download PDFInfo
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Abstract
The invention relates to a three-dimensional holographic generation method for intelligent power grid visualization application. Compared with the prior art, the method enables a defect of lack of an intelligent power grid visualization method to be overcome. The method comprises the following steps that: a pyramid level modeling is carried out on a three-dimensional landscape and leveling and block separation are carried out on a landscape image and DEM data based on the pyramid level structure; three-dimensional modeling is carried out on a city building and components thereof by a simple model way and a spatial index structure is established; two-dimensional vector data are laminated on the three-dimensional landscape model; three-dimensional modeling is carried out on power equipment; and a visualization application model is generated. With the method, reproduction of a three-dimensional hologram is realized; and with combination of related professional software of power automation, three-dimensional holographic application system of intelligent power grid visualization is formed.
Description
Technical field
The present invention relates to power equipment informationization technology field, the 3D hologram generation method of the visual application of a kind of intelligent grid specifically.
Background technology
State Grid Corporation of China has formally issued the development strategy of " strong intelligent grid ", the essence of intelligent grid is energy substitution and compatible utilization, it needs creating development system and setting up on the basis of the information pattern shared, and the data in integration system, optimize the operation and management of electrical network.Intelligent distribution network, as the important component part of intelligent grid, while having good development prospect, also bears important responsibility.
China's Electric Power Enterprise Information process starts to walk comparatively early and speed of development is very fast, Regulation field has established energy management system SCADA/EMS(Supervisor Control And Aata Acquisition/Energy Management System), Distribution Management System DMS(Distribution Management System), power grid GIS GIS(Geographic Information System) and management information system MIS(Management Information System) contour level application system, but what comparatively generally adopt in visual is the pattern that line chart and two-dimensional map combine.Also the starting stage is in the planning of supergrid, high pressure, urban distribution network, operation, the holographic visual technological means of scheduling aspect applying three-dimensional.
3D hologram is adopted to be the most direct man-machine interaction intuitively in the visual application aspect of intelligent grid, managerial personnel carry out three-dimensional intuitive monitoring, control and management application to power equipment facility, meet the intelligentized long-cherished wish of electrical network, be the decision support system (DSS) of a kind of advanced person, the height entirely do not had will be reached to operation of power networks operating condition monitoring, three-dimensional panoramic show, intelligent interaction aspect.How to develop the generation method being directed to visual application and become the technical matters being badly in need of solving.
Summary of the invention
The object of the invention is, in order to solve in prior art the defect that there is no and generate intelligent grid method for visualizing, to provide the 3D hologram generation method of the visual application of a kind of intelligent grid to solve the problems referred to above.
To achieve these goals, technical scheme of the present invention is as follows:
The 3D hologram generation method of the visual application of a kind of intelligent grid, comprises the following steps:
Carry out the modeling of pyramid level to three-dimensional terrain, scape image and dem data carry out classification piecemeal over the ground to adopt pyramidal layer aggregated(particle) structure;
Three-dimensional modeling is carried out to urban architecture and parts thereof, adopts simple mould mode to carry out three-dimensional modeling to urban architecture and parts thereof, and set up its space index structure;
Three-dimensional terrain model superposes two-dimensional vector data;
Three-dimensional modeling is carried out for power equipment;
Generate visual application model.
Described the modeling of pyramid level carried out to three-dimensional terrain comprise the following steps:
Using whole earth surface as pyramidal top, the image of corresponding lowest resolution and dem data;
Image and dem data are carried out a point layer building;
According to the pattern of space quaternary tree, piecemeal is carried out to the image of every layer and dem data;
Judge the image and the dem data that whether there is higher resolution in every block, if exist, then carry out segmentation block, if do not exist, complete the foundation of pyramid hierarchal model.
The described method superposing two-dimensional vector data on three-dimensional terrain model is by Web Service accessing database, is superimposed upon on three-dimensional terrain by 2-D data.
Described carries out the method for three-dimensional modeling for setting up controller switching equipment Parametric Model Library for power equipment, carries out the connection of ground line and underground cables based on Parametric Model Library.
beneficial effect
The 3D hologram generation method of the visual application of a kind of intelligent grid of the present invention, compared with prior art can realize the reproduction of three-dimensional hologram, in conjunction with power automation relevant speciality software, and composition intelligent grid visualization of 3 d holographic applications system.Facilitate daily management and the maintenance of electric system, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is method flow diagram of the present invention.
Embodiment
For making to have a better understanding and awareness architectural feature of the present invention and effect of reaching, coordinating detailed description in order to preferred embodiment and accompanying drawing, being described as follows:
As shown in Figure 1, the 3D hologram generation method of the visual application of a kind of intelligent grid of the present invention, comprises the following steps:
The first step, carries out the modeling of pyramid level to three-dimensional terrain.Employing pyramidal layer aggregated(particle) structure over the ground scape image and dem data carries out classification piecemeal, and pyramid is a kind of multiresolution hierarchical model, and from pyramidal bottom to top layer, its resolution is more and more lower, and corresponding hierarchical data amount is also more and more less.Be raising rendering speed when the drafting of terrain scene under the prerequisite ensureing display precision, different scene areas needs dem data and the image data of different resolution.Be established as minimizing data access amount, the efficiency improving system and the performance of pyramidal layer level structure provide technical guarantee.Whole three-dimensional terrain is based upon on digital earth basis, and its concrete steps are as follows:
(1) using whole earth surface as pyramidal top, namely the 0th grade, the image of corresponding lowest resolution and dem data.Such as: image: the remote sensing images such as the satellite image of 500m resolution, the satellite image of 15m resolution, the satellite image of 2.5m resolution, the aviation image of 0.16m resolution.The loading sequence of DEM is the terrain datas such as 90m resolution, 30m resolution, 6.77m resolution.Utilize sky map, Google Map and disclosed 30 meters (1 second) DEM can rapid build ground scape, but circuit is along the line and within the scope of city, still need high-precision image and DEM, otherwise can cause because the data error such as elevation is too large cannot correct Overlapping display with distribution facility model.System provide special instrument over the ground scape carry out building and managing, after obtaining the more new data in a certain region, covering can be carried out for this region and upgrade.
(2) image and dem data are carried out a point layer building, construct pyramid blank.
(3) carry out piecemeal according to the pattern of space quaternary tree to the image of every layer and dem data, quaternary tree is the hierarchical data structure that a kind of each non-leaf nodes only has at most four branches, and feature implementation space recurrence to be decomposed.Due to quad-tree structure generation and safeguard relatively simple, and when spatial data object distribution is more even, spatial index based on quaternary tree can obtain higher spatial data and insert and search efficiency, and therefore it becomes one of index conventional in spatial database.
(4) judge the image and the dem data that whether there is higher resolution in every block, if exist, then carry out segmentation block, namely carry out piecemeal again, if do not exist, complete the foundation of pyramid hierarchal model.
The Db Management Model that pyramid hierarchal model and linear quadtree index combine, can the demand of satisfying magnanimity terrain data real-time visual, and while realizing massive terrain data real-time rendering, complete the real-time mapping of image data; By to the outer cutting of terrain data of what comes into a driver's body visibility region and the target tile fast search algorithm based on resolution test, greatly reduce the data volume of terrain rendering, improve the execution efficiency of system; Adopt the terrain tile request Forecasting Methodology based on high, medium and low priority, further increase the speed of dimensional topography interactive walkthrough.
Second step, carries out three-dimensional modeling to urban architecture and parts thereof.Adopt simple mould mode to carry out three-dimensional modeling to urban architecture and parts thereof, and set up its space index structure.In distribution Visualized management system, the three-dimensional model of urban architecture and other parts does not generally need too meticulous, can suitably adopt simple mould even not use pinup picture.Such as, but nonetheless, its quantity remains huge, must set up spatial index, quad-tree structure, so that quick-searching when being supported in 3-D display is with dynamically aobvious hidden.If the model of three-dimensional digital city can be obtained, it will be mode the most efficiently.If do not possess this condition, then the instruments such as FME can be utilized, according to the quick generating three-dimensional models of topomap.Such as, according to house scope line (polygon) on topomap and number of plies attribute, the automatic generating three-dimensional models of the function in FME is utilized.Also can in this process automatic pinup picture or material is set.
3rd step, three-dimensional terrain model superposes two-dimensional vector data.A large amount of vector data such as road, water system etc. continue to organize by the mode of GIS spatial data storehouse or data file, and they by Web Service or direct accessing database, can be added on three-dimensional terrain by system.
4th step, carries out three-dimensional modeling for power equipment, and technology is visual carries out fast search to target tier block for the LOD (Level of Detail) that viewpoint can be adopted relevant.Adopt the terrain data requiring zones of different corresponding different resolution during LOD technology, in the search procedure of level block, therefore need the test carrying out resolution.Power equipment carries out three-dimensional modeling can set up controller switching equipment Parametric Model Library, carries out the connection of ground line and underground cables based on Parametric Model Library.
Meanwhile, for controller switching equipment, its account data storehouse can also be set up as line numbers archives, Unit account of plant, photo etc.Digital archive main line, transformer station/etc. facility comprise the digitized forms of various drawings, data, chart, spatial data, scene photograph etc. in design and work progress.Unit account of plant mainly comprises equipment and materials designing unit, unit in charge of construction, run unit, manufacturer etc.Photo mainly comprises the outdoor scene photo gathered at the scene after circuit runs.Above data inputting, to database, is undertaken loading, showing by system.
5th step, generates visual application model.After visual application model generates, its visualization function and application model have:
(1) transformer station/institute's indoor and outdoor facilities is visual
By to area three-dimensional simulation modelings such as transformer station, electric substation, power distribution rooms, system can easily in three-dimensional scenic in showroom directly perceived, exterior space position relationship, as membership credentials, line alignment, the micromechanism of the equipment such as ring main unit, transformer, isolating switch, disconnecting link, bus, and the three-dimensional model of managing security tools and instruments (ground wire, fence, warning sign etc.), buildings, road, plant, fire fighting equipment etc.; Making user just can browse overall plant area as faced scene by computer, grasping equipment situation.
(2) underground cable and cable tunnel visual
The electric power facility equipment such as underground cable, be laid in below ground, and cable duct narrow space, be not easy to show.System provides the instrument of quick Fabrication cable duct, cable model, as long as determine the parameters such as the width of cable duct, the degree of depth, and combined ground elevation, quick Fabrication the cable duct of different length can be gone out, and can select whether installation side is hung, add cable, switch control rule etc.The cable duct made provides a specific switching function, whether can open underground show pattern by user's unrestricted choice.After unlatching, the ground above cable duct will be opened, and can check equipment in ditch, and can adjust intensity of illumination from multiple angle, increase visual effect.
Cable tunnel space is comparatively large, and slip-stick artist even can be allowed to enter inspection.And at a certain distance all can there is any discrepancy mouth.Therefore according to the characteristic of cable tunnel, fine modeling is carried out to cable tunnel content, the space structure of inside, actual response cable tunnel, the position of side extension, the trend etc. of cable, user can enter in the simulation of gateway, tunnel place the result that tunnel internal checks, comprehensively checks cable tunnel inner structure facility.System also provides particular switch function in addition, opens tunnel superstructure, so that entirety checks tunnel internal structure.
(3) circuit and shaft tower visual
Circuit and shaft tower One's name is legion in distribution network systems, and mostly be framework part, the trend of circuit and the distribution of shaft tower have relation closely with topography and geomorphology.For this feature, native system is in use digital elevation data, image data, Vector Electronic Map data creating landform three-dimensional, reduce on the basis of on-the-spot real terrain landforms, batch is provided to import the algorithm of shaft tower and automatic putting, after shaft tower is imported, automatically adjust the height of shaft tower according to the elevation of landform; According to the type of shaft tower, distance, position, automatically calculate the sag degree of wire between orientation between shaft tower and shaft tower, and divided by circuit ABC three-phase different colours to strengthen display.
(4) topology visualization
Compare the visual pattern of three-dimensional scenic, traditional line chart still has concisely, logical relation advantage clearly, system not only accessible site line chart carries out switching or contrast display, additionally provides the function of selecting to show one or more groups logical organization corresponding with line chart on three-dimensional scenic.Such as visual a certain current supply circuit, or power supply area analysis result etc.
(5) data visualization
Except all kinds of distribution facility, except scape, building, Municipal Component, system also provides the method for dynamic creation and other three-dimensional visualization model of operation, the three dimensional objects such as such as various word label, pie chart, histogram, rose diagram, panel board, warning lamp.
The graphic attribute of all three dimensional objects can be handled by interface, such as, change color, size, aobvious hidden etc.Utilize the function of " business datum binding ", just can realize the visual of real time data.Such as voltage monitoring data are converted to the color of model or the reading of thermometer, data over run then trigger model starts highlighted flicker etc.
(6) animated visualization
System provides animation script configuration tool, on the basis of three-dimensional panorama transformer station, can carry out overall process animation simulation to transformer station's trend trend, standardized work, safety rehearsal training etc.Make the training of user, rehearsal no longer by the restriction of time, place, equipment, weather, do not affect carrying out of normal production, not only increase the effect of training and rehearsal, also for enterprise has saved a large amount of material resources, manpower and time cost.
According to overall system design structure, wherein, data Layer is deployed in server end, and visual presentation platform then provides application respectively with C/S desktop application, assembly, RIA B/S client three kinds of modes, and integrated or incorporate all kinds of distribution management application system.C/S desktop application is mainly used in three-dimensional scenic and data configuration, maintenance, B/S application provides the main functionality of distribution management system, modularity then to be supported three-dimensional visualization Module-embedding in original or newly-built types of applications, adapts to actual conditions to greatest extent, plays the value of Visualized management system.Based on intelligent grid is visual be applied in system after, there is following functions:
One, plant asset management
Visual account for assets management system, the position account of apparatus for establishing, assets and equipment subordinate relation, can the attribute structure, the dynamic typing of asset data etc. of dynamic self-defined assets, and by the binding with three-dimensional model, realize the two-way retrieval of business datum and three-dimensional model, location.
1, position account is safeguarded
The position account of apparatus for establishing, assets, adopts tree structure to safeguard, as: power supply administration-office-power supply station of district-(by electric pressure) stand-circuit-make somebody a mere figurehead section (buried section)-device type etc.User can safeguard account structure voluntarily according to the feature of different substation/power distribution room, transmission line of electricity.
2, inquiry and location
Facility inquiry and location: support with mode fast query and location such as equipment account, device types, the function such as realize the interlock location of two three-dimensionals, attribute is checked;
3, configuring maintenance
Provide convenience maintenance function efficiently, comprise the functions such as the maintenance of equipment account, assets parameter maintenance, asset data maintenance, user can self-defining and the various data of typing.
Two, with the interface of SCADA
System provides the interface with SCADA system, realize real time data, historical data and two, three-dimensional facility objects binding and visually to represent, to there is provided on Visualization Platform the supervision of SCADA real time data, analytic function, realize the SCADA operation scheme on Visualization Platform.
The interface of data communication, uses DL/T634.5101, DL/T634.5104 of standard in principle, as variant with scene, completes the expansion of communications protocol in the assistance of former robotization producer, compatible between guarantee system.Direct-connected and data interaction between final realization and intelligent monitoring equipment, communication manager, and realize four remote control function on this basis.
(1) displacement of remote signalling is in real time shown
System real-time collecting, process remote signalling addendum modification, and by three-dimensional visualization technique real time modelling on off state, on the three dimensional device of real embodiment, keep consistent with field apparatus on off state.
(2) real-time telemetry amount is shown
System is collected remote measurement amount, process, judges, is analyzed in real time, and shown by three-dimensional visualization technique and multi-effect, such as unsettled word displaying above equipment, the true panel board displaying on equipment and the equipment with the normal operation of different colours differentiation displaying, alarm operation, warning operation, give full play to the high sensitive of human eye to three-dimensional scenic, user is enable accurately to grasp equipment running status in real scene, the risk that Real-time Obtaining exists, improves the efficiency of decision-making.
(3) visual control and regulation
Visual control and adjustment mainly refer to that system provides the switch folding directly controlling transformer station in three-dimensional scenic, change the tap joint position etc. of transformer.When selection operates, system navigates to equipment in three-dimensional scenic exactly, and the functional parameter information of automatic-prompting equipment to be operated; In control and adjustment process, system by the result of three-dimensional artificial real time modelling operation, can ensure consistance and the correctness of three-dimensional scenic and real scene.
(4) alarming and managing
Alert process is divided into two kinds: one is accident alarming, and another kind is common warning.The former comprises the circuit breaker trip and protective device actuating signal that not operation causes; The latter comprise the change of general device state, remote signalling abnormal state signal, the more multiple limit of analog quantity, node or Link State, straighforward operation, etc. the warning in function.System can carry out Classification Management to all kinds of warning, automatic release alarm and navigate on the corresponding equipment of three-dimensional scenic, the alarm of simultaneous different acoustic, and support to send warning message to designated person's mobile phone, make user capture operation risk or potential risk in time.
Three, with temp measuring system interface
The standard guidelines of data-interface uses DL/T 860 standard of standard, and according to the construction situation of on-site cable temp measuring system, under the assistance of original system producer, complete the expansion of communications protocol, realize access data.
By the interface with cable distribution thermometric management system, the real time data of existing cable distributed temperature measuring management system is directly illustrated on the facility of three-dimensional scenic, and early warning and alarming value can be set, when reaching early warning value in systems in which by the color shows of warning, the region of displaying early warning directly perceived and position, when reaching alarming value, system can send alarm, and be directly targeted to corresponding region and position, remind process in time, the automatic time interocclusal record recording warning in the alarming and managing module of system simultaneously, and the tracking processing capacity of alarm logging is provided.
Four, video monitoring is integrated
The position of each camera in system integration video monitoring system, corresponding video window can be linked to, also cradle head control can be carried out by interface, video monitoring is reported to the police and also can make response, automatic synchronization to the three-dimensional scenic corresponding with video frequency pick-up head The Cloud Terrace parameter, for analysis field condition.
Five, other on-line monitoring and early warning
System reserves the interface with the monitoring information system such as thunder and lightning, dirty district, dangerous point, to expand and to develop corresponding senior application.
Six, patrol and examine and manage with maintenance maintenance
Utilizing GPS type PDA(containing RFID) network set up by GPRS or 3G of terminal connected, realize comprising patrol task formulate with the standardization distributed, scene patrols and examines, defect management, examination statistics etc. all work, visual, shortcut, standardize, intelligent management, user is enable dynamically to grasp the change of facility operation situation and surrounding environment, Timeliness coverage facility defect and various potential safety hazard, to eliminate defect and hidden danger in time, to prevent accident generation, or fault is limited in minimum zone, ensure power system security, stable operation.
Patrol officer is equipped with mobile intelligent terminal PDA, this equipment can receive gps satellite signal and according to the automatic location of the complete paired terminal of the positioning principle of GPS, realize patrolling and examining navigation feature, the position of automatic-prompting inspection device according to the electronic chart (comprising transmission line of electricity data) on PDA.Be connected to Surveillance center's (Web server) by GPRS network and internet, realize the data syn-chronization with server, check the patrol task of individual at the scene and perform, real-time report patrols and examines situation simultaneously.For the place not having gps signal, use RFID to assist and determine device location.
Monitoring client is formulated and to patrol officer's allocating task, is followed the tracks of the defect that discovery is patrolled and examined in process, carry out work attendance to the situation of patrolling and examining of patrol officer, add up the qualification rate of patrolling and examining, and monitors patrol officer in real time and patrol and examine duty.
(1) job standardization is patrolled and examined: item is patrolled and examined in the standardization being configured with various kinds of equipment, and the defect entry that correspondence may occur, as long as patrol officer usually to patrol and examine facility by standard and reports defect;
(2) inspection management real-time visual: GIS and the GPS function in system directly can be illustrated in the result of patrolling and examining of the real time position of patrol officer, facility on map, directly perceived, vivid;
(3) patrol and examine result digitizing, automatic flow and become more meticulous: scene is patrolled and examined data and uploaded onto the server in real time, automatically following the tracks of according to the management process of system configuration, guaranteeing that defect is not let slip;
(4) system is shortcut: mobile terminal can auxiliary record and report and patrol and examine result, realizes on-the-spot with no paper operation, and in real time with server sync data, elimination later stage typing link, easy, quick;
(5) standardize: defect describes unified, dynamically follows the tracks of process, management regulation, guarantee that all defect is all dealt carefully with, have good grounds by flow process;
(6) intelligent: provide multiple intelligent instrument, whether such as automatic decision patrols and examines position in effective coverage, and in conjunction with graphical cues user; And statistical study patrol and examine qualification rate, equipment inspection rate, facility ratio of defects etc.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and instructions; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.The protection domain of application claims is defined by appending claims and equivalent thereof.
Claims (4)
1. the 3D hologram generation method of the visual application of intelligent grid, is characterized in that, comprise the following steps:
11) carry out the modeling of pyramid level to three-dimensional terrain, scape image and dem data carry out classification piecemeal over the ground to adopt pyramidal layer aggregated(particle) structure;
12) three-dimensional modeling is carried out to urban architecture and parts thereof, adopt simple mould mode to carry out three-dimensional modeling to urban architecture and parts thereof, and set up its space index structure;
13) on three-dimensional terrain model, two-dimensional vector data is superposed;
14) three-dimensional modeling is carried out for power equipment;
15) visual application model is generated.
2. the 3D hologram generation method of the visual application of a kind of intelligent grid according to claim 1, is characterized in that, described carry out the modeling of pyramid level to three-dimensional terrain and comprises the following steps:
21) using whole earth surface as pyramidal top, the image of corresponding lowest resolution and dem data;
22) image and dem data are carried out a point layer building;
23) according to the pattern of space quaternary tree, piecemeal is carried out to the image of every layer and dem data;
24) judge the image and the dem data that whether there is higher resolution in every block, if exist, then carry out segmentation block, if do not exist, complete the foundation of pyramid hierarchal model.
3. the 3D hologram generation method of the visual application of a kind of intelligent grid according to claim 1, it is characterized in that, the described method superposing two-dimensional vector data on three-dimensional terrain model is by Web Service accessing database, is superimposed upon on three-dimensional terrain by 2-D data.
4. the 3D hologram generation method of the visual application of a kind of intelligent grid according to claim 1, it is characterized in that, described carries out the method for three-dimensional modeling for setting up controller switching equipment Parametric Model Library for power equipment, carries out the connection of ground line and underground cables based on Parametric Model Library.
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