CN102930600B - Based on the three-dimensional model of power transformer equipment computer generating method of cloud computing - Google Patents
Based on the three-dimensional model of power transformer equipment computer generating method of cloud computing Download PDFInfo
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Abstract
The present invention relates to a kind of transformer station first and second equipment, the three-dimensional modeling of structures, disposal route, particularly a kind of three-dimensional model of power transformer equipment computer generating method based on cloud computing, based on the technical scheme of three-dimensionalreconstruction, first raw data is obtained by laser scanning method, then by a series of calculation procedure, raw data is processed, and reducing data volume as much as possible, finally the data after process and model are sent into cloud computing server and carry out last magnanimity calculating, obtain last three-dimensional model.Like this, making full use of the advantage of cloud computing, solve the calculating of Reconstruction of three-dimensional modeling and three-dimensional data complexity, and three-dimensional dynamic exhibition is to the Dependence Problem of specialized software and hardware, make the generation of the three-dimensional model of converting equipment can with a kind of general, simply, fast, the mode that with low cost, practicality is high realizes, alleviate modeling difficulty, ensure that converting equipment can run under thin client mode.
Description
Technical field
The present invention relates to a kind of transformer station first and second equipment, the three-dimensional modeling of structures, disposal route, particularly based on a three-dimensional model of power transformer equipment computer generating method for cloud computing, the three-dimensional model generated for designing, the model display of the aspect such as service.
Background technology
In prior art, based on the requirement of equipment refinement management, the three-dimensional model that converting equipment is provided is needed in power transformation engineering in electrical network, the generation of this three-dimensional model is all the three-dimensional design and output mode that directly utilize generation engineering similar, this mode needs the software of very specialty and corresponding special purpose computer equipment, because need in the generative process of three-dimensional model to process the data of magnanimity and huge calculated amount, therefore the process of generating three-dimensional models is strongly professional, program is complicated, time-consuming many, cost is high (equipment cost etc.).
Above-mentioned three-dimensional model only increases the model display application of transformer station newly when having three-dimensional model specialty formation condition, along with electricity power engineering gets more and more to the demand of three-dimensional model, no matter be technical, the various data, services of electrical network still all need to use three-dimensional model for the production of management, but, existing newly-increased transformer station's quantity is few, and built transformer station mostly do not have three-dimensional model, if adopt above-mentioned three-dimensional model generation method to carry out three-dimensional modeling to built transformer station, then because it is strongly professional, time-consuming many, cost the high-leveled and difficult user of thinking accepted, so there is no practicality.
Summary of the invention
The object of the invention is to provide according to the deficiencies in the prior art part a kind of general, that simple, quick, with low cost, practicality is high three-dimensional model of power transformer equipment computer generating method based on cloud computing.
The object of the invention is to be realized by following approach:
Based on the three-dimensional model of power transformer equipment computer generating method of cloud computing, its main points are, comprise the steps:
The memory storage storing electricity power engineering tag system coding rule data is provided;
There is provided stereo laser scanning device, this device scan builds the exterior contour of substation equipment, interface section and critical component, obtains three groups of three-dimensional cloud data,
Electricity power engineering tag system coding rule in the three-dimensional cloud data obtained and memory storage is carried out association link;
Data processing equipment is provided, in this data processing equipment, is provided with various data processor, and according to data processor, obtained three groups of three-dimensional cloud data are handled as follows:
First adopt discrete type variance calculation procedure to remove the border noise often organizing three-dimensional cloud data, by completely independently or the data exceeding main graphic center mean distance 1 standard variance reject;
By virtual force computation program, the Uniform-distributed Data often organized in data is rejected again, preserving edge range data, obtain key point, the line data at each edge in data;
To the three-dimensional cloud data acquisition quadric surface calculation procedure solving model of exterior contour;
The three-dimensional cloud data acquisition of docking port part demarcates thing calculation procedure solving model;
Triangular network calculation procedure solving model is adopted to critical component;
There is provided cloud computing server, by above-mentioned solving model input cloud computing server, cloud computing server carries out matching by surface fitting calculation procedure to above-mentioned solving model, generates preliminary three-dimensional model,
Cloud computing server by Data classification calculation procedure and Grade data calculation program to the smoothing process of preliminary three-dimensional modeling data, Data classification and data hierarchy;
The three-dimensional model finally obtained is stored in memory storage, and keeps the association link with electricity power engineering tag system coding rule.
This is a kind of three-dimensional modeling adopting three-dimensional reconstruction method to carry out.Cloud computing is a kind of new computation schema, the resource clustering of dispersion originally gets up by it, mainly various different calculation procedure, then is supplied to user in the form of services, it can provide calculation services that is huge, magnanimity, to play the feature of its high reliability, cheapness and versatility.
The present invention is a kind of technical scheme based on three-dimensionalreconstruction, first raw data is obtained by laser scanning method, then by a series of calculation procedure, raw data is processed, and reducing data volume as much as possible, finally the data after process and model are sent into cloud computing server and carry out last magnanimity calculating, obtain last three-dimensional model.Like this, making full use of the advantage of cloud computing, solve the calculating of Reconstruction of three-dimensional modeling and three-dimensional data complexity, and three-dimensional dynamic exhibition is to the Dependence Problem of specialized software and hardware, make the generation of the three-dimensional model of converting equipment can with a kind of general, simply, fast, the mode that with low cost, practicality is high realizes, alleviate modeling difficulty, ensure that converting equipment can run under thin client mode.
The present invention can be specially further:
A kind of three-dimensional model detection system is provided, includes curved surface features analysis module, model critical data extraction module, geometric shape detecting unit, assembly constraint condition detecting unit and three-dimensional data searching database,
Various exterior contour in converting equipment, the fundamental data of interface section and critical component three class model and expansion factor data is stored in three-dimensional data searching database, wherein, fundamental data refer to the electric and space characteristics data that converting equipment is concrete, expansion factor data refers to equipment running status and maintenance association data
Geometric shape detecting unit sends three-dimensional modeling data to cloud computing server, in cloud computing server, model critical data extraction module extracts three class model data from memory storage, by curved surface features analysis module, the geometric configuration of three class models is carried out to the convergent-divergent of 10 times, and compare with existing matched data in cloud computing server, find and whether there is similar coupling, and the Data Matching degree of each end points and central point distance, each edge line length and each is calculated;
Three-dimensional modeling data after detection is sent to assembly constraint condition detecting unit by geometric shape detecting unit, and assembly constraint condition detecting unit carries out assembled condition inspection, detects size and the location matches degree of assembling point;
If location matches degree exceedes setting value, then the device data of cloud computing server corresponding to electricity power engineering tag system coding rule data retrieves corresponding model data from three-dimensional data searching database, and loads the new three-dimensional modeling data of formation;
Cloud computing server extracts fundamental data and the expansion factor data of the three-dimensional data model after detecting, and adds in three-dimensional data searching database.
Described electricity power engineering tag system coding rule data refer to carries out orderly coding according to certain coding rule by converting equipment, and the data be associated with electricity power engineering, it can be encoded for all converting equipments and parts thereof, and makes same converting equipment have same coding.Like this, in three-dimensional model generative process, each converting equipment model all has oneself coding, just effectively can detect data, judge and process according to coding in cloud computing server.
Three-dimensional model, after preliminary generation, can to carry out the detection in geometric configuration and assembly constraint condition to this three-dimensional model by three-dimensional model detection system, and finally obtain more accurate three-dimensional model.Because the data volume of three-dimensional model is very big, carry out detection computations by cloud computing server to it, client terminal can be made to avoid magnanimity to calculate, and therefore detection method is simple, cost is low, and can obtain the accurate three-dimensional model data that cloud computing server returns.
In sum, the invention provides a kind of three-dimensional model of power transformer equipment computer generating method based on cloud computing, based on the technical scheme of three-dimensionalreconstruction, first raw data is obtained by laser scanning method, then by a series of calculation procedure, raw data is processed, and reducing data volume as much as possible, finally the data after process and model are sent into cloud computing server and carry out last magnanimity calculating, obtain last three-dimensional model.Like this, making full use of the advantage of cloud computing, solve the calculating of Reconstruction of three-dimensional modeling and three-dimensional data complexity, and three-dimensional dynamic exhibition is to the Dependence Problem of specialized software and hardware, make the generation of the three-dimensional model of converting equipment can with a kind of general, simply, fast, the mode that with low cost, practicality is high realizes, alleviate modeling difficulty, ensure that converting equipment can run under thin client mode.
Accompanying drawing explanation
Figure 1 shows that the flow process block schematic illustration of the three-dimensional model of power transformer equipment computer generating method based on cloud computing of the present invention.
Figure 2 shows that the flow process block schematic illustration of three-dimensional model detection system detection method of the present invention.
Below in conjunction with embodiment, the present invention is described further.
Specific embodiment
Most preferred embodiment:
Three-dimension modeling is divided into two kinds of situations.The first: by professional Three-dimensional Design Software, three-dimensional design modeling is carried out to converting equipment exterior contour, interface section, critical component, then the fundamental of input model and expansion key element.The second: three-dimensional model reconfiguration method as shown in Figure 1, specific as follows:
Based on the three-dimensional model of power transformer equipment computer generating method of cloud computing, comprise the steps:
The memory storage storing electricity power engineering tag system coding rule data is provided;
There is provided stereo laser scanning device, this device scan builds the exterior contour of substation equipment, interface section and critical component, obtains three groups of three-dimensional cloud data,
Electricity power engineering tag system coding rule in the three-dimensional cloud data obtained and memory storage is carried out association link;
Data processing equipment is provided, in this data processing equipment, is provided with various data processor, and according to data processor, obtained three groups of three-dimensional cloud data are handled as follows:
The discrete type variance algorithm first adopting discrete type variance calculation procedure to provide removes the border noise often organizing three-dimensional cloud data, by completely independently or the data exceeding main graphic center mean distance 1 standard variance reject;
The Uniform-distributed Data often organized in data is rejected by the fictitious force algorithm provided by virtual force computation program again, and preserving edge range data, obtains key point, the line data at each edge in data;
To the quadric surface method solving model that the three-dimensional cloud data acquisition quadric surface calculation procedure of exterior contour provides;
The three-dimensional cloud data acquisition of docking port part demarcates the demarcation thing method solving model that thing calculation procedure provides;
To the triangular network method solving model that critical component adopts triangular network calculation procedure to provide;
There is provided cloud computing server, by above-mentioned solving model input cloud computing server, cloud computing server carries out matching by surface fitting calculation procedure to above-mentioned solving model, generates preliminary three-dimensional model,
Cloud computing server by Data classification calculation procedure and Grade data calculation program to the smoothing process of preliminary three-dimensional modeling data, Data classification and data hierarchy;
The three-dimensional model tentatively obtained is stored in memory storage, and keeps the association link with electricity power engineering tag system coding rule.
Further, as shown in Figure 2, provide a kind of three-dimensional model detection system, include curved surface features analysis module, model critical data extraction module, geometric shape detecting unit, assembly constraint condition detecting unit and three-dimensional data searching database,
Various exterior contour in converting equipment, the fundamental data of interface section and critical component three class model and expansion factor data is stored in three-dimensional data searching database, wherein, fundamental data refer to the electric and space characteristics data that converting equipment is concrete, three dimensional device model instance is made to turn to the concrete three dimensional device of certain transformer station individual, expansion factor data refers to equipment running status and maintenance association data, makes converting equipment three dimensional object have the real-time information with real world devices equity;
Geometric shape detecting unit sends three-dimensional modeling data to cloud computing server, in cloud computing server, model critical data extraction module extracts three class model data from memory storage, by curved surface features analysis module, the geometric configuration of three class models is carried out to the convergent-divergent of 10 times, and compare with existing matched data in cloud computing server, find and whether there is similar coupling, and the Data Matching degree of each end points and central point distance, each edge line length and each is calculated;
Three-dimensional modeling data after detection is sent to assembly constraint condition detecting unit by geometric shape detecting unit, and assembly constraint condition detecting unit carries out assembled condition inspection, detects size and the location matches degree of assembling point;
If location matches degree exceedes setting value, then the device data of cloud computing server corresponding to electricity power engineering tag system coding rule data retrieves corresponding model data from three-dimensional data searching database, and loads the new three-dimensional modeling data of formation;
Cloud computing server extracts fundamental data and the expansion factor data of the three-dimensional data model after detecting, and adds in three-dimensional data searching database, for retrieval.
The present embodiment provides a kind of application of above-mentioned three-dimensional model of power transformer equipment, and namely the image of three-dimensional model of power transformer equipment is issued and methods of exhibiting, and concrete three-dimensional model image is issued and shown that process is as follows:
3-D view issues that main process comprises that 3-D view is played up, image encryption protection and sequential 3-dimensional image are issued.Wherein, the Roam Path that the input control amount that 3-D view is played up is represented as required by final user, visual angle and available light are configured, information can send to three-dimensional rotation angle, user's visual line of sight, the equipment light-source angle module of Cloud Server respectively, and Cloud Server carries out 3-D view according to the combination of controlled quentity controlled variable and plays up.Image after three-dimensional rendering will be issued after 3-D view encryption again, the three-dimensional encryption flow of patent of the present invention has two kinds: a kind of situation, activity when needing embodiment designing unit's copyright, three-dimensional dynamic exhibition client sends the request of watermark control signal to Cloud Server, spatial domain order spread-spectrum watermark computations is carried out through Cloud Server, namely immediately below in given region, utilize pixel analysis, at younger sister one two field picture spatial domain superposition watermarking images.Another kind of situation, during the activities in production such as final user checks converting equipment, pseudo operation, without the need to showing watermark, at this moment watermark control signal is sent by three-dimensional dynamic exhibition client, carry out three-dimensional information stream discrete cosine through Cloud Server and change robust watermarking computations, recessive All rights are reserved, version information, guarantee the correctness of design drawing.Be three-dimensional encrypted image with the mode transmission of image stream, End-Customer machine is undertaken receiving and showing by IE browser, thus reaches final user carries out three dimensional navigation, roaming, location, pseudo operation effect to substation equipment.3-dimensional image issuing process: first, three-dimensional encrypted image sends final user in the mode of image stream, and user uses thin client mode, realizes virtual and carry out 3-D view issue from service function by IE browser.Client three-dimensional dynamic exhibition adopts natural user interface mode, makes the more personalized and hommization of three-dimensional manipulating, the notice of final user is placed on relatively senior, more press close in the work of power transformation business, promote Consumer's Experience prevention and three-dimensional display effect.
This utilizes cloud computing to provide the new mode of paid service for power transformation three-dimensional display.Three-dimensional cloud computing process not only can provide service by user's demand, and meanwhile, this service is flexible, measurable.The cloud computing paid service pattern that the present invention adopts: first, converting equipment manufacturer, third party's three-dimensional design unit, power grid enterprises user apply for the registration of to cloud computing service business.Then, three-dimensional model of power transformer equipment basic data is supplied to Cloud Server by manufacturer or designing unit, after passed examination, cloud computing supplier collects certain file expense by three-dimensional modeling calculated amount, finally, when each three-dimensional dynamic exhibition according to calling model type, quantity, browsing mode, the different requirement of real-time, dynamic calculation resource usage charges, regularly return a certain proportion of expense to three-dimensional model supplier by cloud computing supplier.
It is same as the prior art that the present invention does not state part.
Claims (2)
1., based on the three-dimensional model of power transformer equipment computer generating method of cloud computing, it is characterized in that, comprise the steps:
The memory storage storing electricity power engineering tag system coding rule data is provided;
There is provided stereo laser scanning device, this device scan builds the exterior contour of substation equipment, interface section and critical component, obtains three groups of three-dimensional cloud data,
Electricity power engineering tag system coding rule in the three-dimensional cloud data obtained and memory storage is carried out association link;
Data processing equipment is provided, in this data processing equipment, is provided with various data processor, and according to data processor, obtained three groups of three-dimensional cloud data are handled as follows:
First adopt discrete type variance calculation procedure to remove the border noise often organizing three-dimensional cloud data, by completely independently or the data exceeding main graphic center mean distance 1 standard variance reject;
By virtual force computation program, the Uniform-distributed Data often organized in data is rejected again, preserving edge range data, obtain key point, the line data at each edge in data;
To the three-dimensional cloud data acquisition quadric surface calculation procedure solving model of exterior contour;
The three-dimensional cloud data acquisition of docking port part demarcates thing calculation procedure solving model;
Triangular network calculation procedure solving model is adopted to critical component;
There is provided cloud computing server, by above-mentioned solving model input cloud computing server, cloud computing server carries out matching by surface fitting calculation procedure to above-mentioned solving model, generates preliminary three-dimensional model,
Cloud computing server to the smoothing process of three-dimensional modeling data, and carries out Data classification and data hierarchy by Data classification calculation procedure and Grade data calculation program to preliminary three-dimensional modeling data;
The three-dimensional model finally obtained is stored in memory storage, and keeps the association link with electricity power engineering tag system coding rule.
2. the three-dimensional model of power transformer equipment computer generating method based on cloud computing according to claim 1, it is characterized in that, a kind of three-dimensional model detection system is provided, include curved surface features analysis module, model critical data extraction module, geometric shape detecting unit, assembly constraint condition detecting unit and three-dimensional data searching database
Various exterior contour in converting equipment, the fundamental data of interface section and critical component three class model and expansion factor data is stored in three-dimensional data searching database, wherein, fundamental data refer to the electric and space characteristics data that converting equipment is concrete, expansion factor data refers to equipment running status and maintenance association data
Geometric shape detecting unit sends three-dimensional modeling data to cloud computing server, in cloud computing server, model critical data extraction module extracts three class model data from memory storage, by curved surface features analysis module, the geometric configuration of three class models is carried out to the convergent-divergent of 10 times, and compare with existing matched data in cloud computing server, find and whether there is similar coupling, and the Data Matching degree of each end points and central point distance, each edge line length and each is calculated;
Three-dimensional modeling data after detection is sent to assembly constraint condition detecting unit by geometric shape detecting unit, and assembly constraint condition detecting unit carries out assembled condition inspection, detects size and the location matches degree of assembling point;
If location matches degree exceedes setting value, then the device data of cloud computing server corresponding to electricity power engineering tag system coding rule data retrieves corresponding model data from three-dimensional data searching database, and loads the new three-dimensional modeling data of formation;
Cloud computing server extracts fundamental data and the expansion factor data of the three-dimensional data model after detecting, and adds in three-dimensional data searching database.
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| CN105843975A (en) * | 2015-01-15 | 2016-08-10 | 中国电力工程顾问集团华北电力设计院有限公司 | System and method for automatic processing of transformer station vertical design |
| CN105241378B (en) * | 2015-09-21 | 2017-12-12 | 国家电网公司 | Transformer station's 3D outdoor scenes based on laser tracking technology redraw method |
| CN110348073A (en) * | 2019-06-19 | 2019-10-18 | 国网北京市电力公司 | The determination method and device of facility information |
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Address after: 350003 Gulou District, Fujian, Fuzhou No. 54 Road, No. 268 Co-patentee after: Fujian ITL Co., Ltd. Patentee after: China Electric Power Construction Group Fujian electric survey and Design Institute Co., Ltd. Address before: 350003 Gulou District, Fujian, Fuzhou No. 54 Road, No. 268 Co-patentee before: Fujian ITL Co., Ltd. Patentee before: Fujian Electric Power Survey and Design Institute |
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