CN112035983A - Urban medium-voltage power grid planning and designing platform based on three-dimensional real scene - Google Patents
Urban medium-voltage power grid planning and designing platform based on three-dimensional real scene Download PDFInfo
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Abstract
The invention relates to the field of power grid planning, in particular to an urban medium-voltage power grid planning and designing platform based on a three-dimensional real scene. The platform realizes the three-dimensional visual display of the line design of the whole design cycle of the power distribution project, the design process and the result, and also has the functions of three-dimensional live-action line design, three-dimensional cable design, three-dimensional distance verification, tower model analysis and space analysis. The invention has the following beneficial effects: the existing various resources are integrated, and informatization management and data sharing are promoted; the system serves the power planning and design integrated service and improves the working efficiency; integrating all service links to realize the cooperation and communication between the whole service flow and the content; and an application research tool is integrated, the technical content of the planning design is improved, and the lean planning design is realized.
Description
Technical Field
The invention relates to the field of power grid planning, in particular to an urban medium-voltage power grid planning and designing platform based on a three-dimensional real scene.
Background
At present, a traditional planning mode based on a two-dimensional drawing enables a planning worker to be incapable of mastering the field condition and realizing the complete deep field, so that the planning deviates from the field, and the planning is unreasonable. The planning links are not closely linked with the links of the research and the initial setting, so that the planning project is changed in different degrees frequently, the investment benefit is underground, and even huge ineffective investment is caused. The combination of the three-dimensional technology and the medium-voltage power grid planning is a large exploratory innovation in the field of power grid planning, replaces the traditional static one-way design process, realizes the three-dimensional planning of dynamic interaction, has very obvious help for improving the efficiency and quality of line selection, path optimization, optimal ranking and auxiliary scheme decision-making, accelerates the accumulation of the promotion data resources and the collection of experience, provides a large amount of data sharing services such as basic data, engineering data, design results and the like for planning and designing personnel, reduces the actual search resources, shortens the design period and improves the design precision.
The urban medium-voltage power grid planning and designing platform based on the three-dimensional real scene is based on a three-dimensional modeling technology, and the power engineering design is integrated into the power grid planning by fully utilizing the effective integration of multi-source multi-type data such as space data, three-dimensional model data, equipment asset account data, social and economic data, load information and the like, so that planning personnel can conveniently and visually carry out planning and designing, the planning investment is more accurate, and the power grid benefit is more remarkable.
Disclosure of Invention
Aiming at the defects of planning and design of the traditional two-dimensional drawing, the invention provides a three-dimensional real scene-based urban medium-voltage power grid planning and designing platform, and the efficiency and the accuracy of power grid planning are improved.
A three-dimensional real scene based urban medium voltage power grid planning and designing platform realizes the three-dimensional visual display of the line design of the whole design cycle of a power distribution project, the design process and the result, and the platform further comprises the functions of three-dimensional real scene line design, cable three-dimensional design, three-dimensional distance verification, tower model analysis and space analysis.
The platform also comprises a distribution line design function, and the distribution line design function realizes the three-dimensional design of the overhead line; the distribution line oblique photography data are increased through a distribution design module, and the three-dimensional design is comprehensively applied to 20kV and below distribution overhead line engineering; engineering information input and engineering data arrangement are carried out by taking engineering projects as units, line selection is carried out through multi-scheme path ratio selection, overhead three-dimensional pole arrangement is carried out by combining digital positioning, and electrical safety distance verification is carried out through various electrical constraint conditions;
the realization function comprises: one-key reduction of the information of the ground object pipeline; obtaining a base map: integrating multi-source geographic information data, wherein the content comprises but is not limited to aerial orthogonal photography and oblique photography data, satellite images from Google and a sky map are loaded to a platform in a coordinate form and serve as the basis for platform geographic information visualization;
three-dimensional plotting: the method supports manual addition of objects such as points, lines and surfaces in a three-dimensional scene in a 'conversation list' form, including three-dimensional graphics, characters, photos and videos, and provides inquiry, editing and deleting operations of ground features; the basic information of the three-dimensional family library model can be automatically associated with the ground feature information in the platform, the three-dimensional family library model is supported in a three-dimensional scene, and the plotted ground feature basic information is checked in a mouse clicking mode; supporting the selection of any coordinate system for plotting ground objects and deriving a dwg graphic format; a dwg two-dimensional graph can be derived under the top view, and pictures can be derived from other views in a screen capture mode;
the realization function comprises: designing a line path; path drawing: the method supports that in a three-dimensional scene, a starting point, an end point and a corner point of a line path are manually specified, and related fixed points are automatically connected; allowing the fixed point position to be manually adjusted in a scene, and displaying the horizontal distance between the line and the surface building in real time; the scheme of drawing and storing a plurality of line paths in the same scene is supported, and a single path or a plurality of paths can be selected to be displayed;
judging the path and the safety distance: by clicking the ' appointed option ', path segments ' which do not accord with the requirement of horizontal safety distance with the ground objects and ' cross spanning or crossing path segments ' can be highlighted in the operation interface, and corresponding characters describe corresponding contents;
and (3) path scheme selection: by clicking the 'appointed option', the comparison index parameters of all path schemes are displayed in a list, and a suggested scheme can be judged and given through a system;
the realization function comprises: arranging towers;
automatic tower arranging: the terminal and corner positions of the line path can be automatically determined, the tower module can be selected in a 'conversation list' mode according to specified conditions, and the selection module is automatically matched into a three-dimensional design scene; automatic pole and tower ranking can be carried out along a line path according to the length, the span and the type of a pole and tower module which are given;
manually arranging the towers: the method is supported in a three-dimensional design interface and a flat section two-dimensional design interface, a tower module selection dialog box is popped up by manually clicking a designated position, and the tower module selected according to designated conditions is automatically matched to the designated position; the position of a tower is manually adjusted in a three-dimensional design interface and a flat section two-dimensional design interface;
manually setting an overhead switching device: the method is supported in a three-dimensional design interface and a flat section two-dimensional design interface, a switching device module selection dialog box is popped up by manually clicking a designated position, and the switching device module selected according to designated conditions is automatically matched to the designated position; the position of the switch device is manually adjusted in a three-dimensional design interface and a flat section two-dimensional design interface;
arranging the conducting wires: the automatic or manual wire connection can be carried out according to the position of the tower and in combination with wire type selection, and the related data of the line and the wire can automatically judge whether the requirements are met or not according to the related content of the specification, and carry out automatic early warning if the requirements are not met; the inserted insulating sub-modules, the wire drawing modules and the like can be automatically adjusted in angle according to the line direction;
drawing jumpers: the method is supported in a three-dimensional design interface, points are connected according to a three-dimensional space by clicking a designated position, and the radian of the connection line can be manually adjusted;
designing a flat section: the line plane section meeting the distribution network design requirement can be automatically generated according to the three-dimensional line design content; the method supports the simultaneous display of three-dimensional design and two-dimensional flat section design interfaces in a design interface, line design adjustment is carried out in any interface, and adjustment contents are displayed in real time in the other interface;
information plotting: the basic information of the three-dimensional family library model can be automatically associated, and the 'selection display' is supported in a design interface; information related to line design such as pole tower sequencing, line names and the like can be automatically generated according to specified requirements, and manual adjustment and modification are supported; manual marking of relevant dimensions of the line is supported;
cross-over checking: the safety distance inspection of the wire to the ground and the crossed ground objects is realized, the unqualified wires are marked by different colors, and relevant information is displayed; checking the using conditions of the tower such as horizontal span, vertical span, angle degree and the like, marking the unqualified tower by different colors, and displaying related information;
the realization function comprises: three-dimensional display; the three-dimensional model is realized, the detail amplification function is realized under the integral three-dimensional design interface, and any point in the three-dimensional image can be grabbed and rotationally checked.
The platform also comprises a cable line three-dimensional design function, and the cable line design function of 20kV or below is realized by combining urban power grid planning and field data, so that cable path planning, ground feature introduction and underground pipeline restoration are completed; completing automatic cable wiring through node selection and path comparison selection; carrying out pipeline collision inspection through the constraint conditions of the safe distance of the underground pipeline to complete the visual design of the underground pipeline;
the realization function comprises: one-key reduction of the information of the ground object pipeline;
obtaining a base map: the platform integrates multi-source geographic information data, the content of the data comprises but is not limited to aerial orthogonal photography and oblique photography data, satellite images from Google and a sky map are loaded to the three-dimensional platform in a coordinate form and serve as the basis for platform geographic information visualization;
cable data: the system can automatically convert pipeline node coordinates and pipeline burial depth data provided by underground pipeline geophysical prospecting results into WGS84 coordinate nodes, automatically guide corresponding three-dimensional model family library graphs into a platform according to the attributes of the pipeline nodes, automatically form three-dimensional lines according to the diameters and the contours of pipelines in the platform to connect with related nodes, generate underground pipeline three-dimensional graphs, and perform collision check and reminding on different professional pipelines; automatically converting road node coordinates provided by underground pipeline geophysical prospecting results into WGS84 coordinate nodes, automatically forming road outlines in the platform, and displaying road function partitions;
three-dimensional plotting: the method supports manual addition of objects such as points, lines and faces in a three-dimensional scene in a 'conversation list' form, and provides inquiry, editing and deletion operations of ground features; the basic information of the three-dimensional family library model can be automatically associated with the ground feature information in the platform, the three-dimensional family library model is supported in a three-dimensional scene, and the plotted ground feature basic information is checked in a mouse clicking mode; supporting the selection of any coordinate system for plotting ground objects and deriving a dwg graphic format;
the realization function comprises: designing a cable path;
path drawing: the method comprises the steps that in a three-dimensional scene, the starting point, the end point and the corner point of a line path are determined through manual designation or APP mobile data import, and relevant fixed points are automatically connected; allowing the fixed point position to be manually adjusted in a scene, and displaying the horizontal distance between the line and the surface building in real time; the scheme of drawing and storing a plurality of line paths in the same scene is supported, and a single path or a plurality of paths can be selected to be displayed;
judging the path and the safety distance: by clicking the ' appointed option ', path segments ' which do not accord with the requirement of horizontal safety distance with the ground objects and ' cross spanning or crossing path segments ' can be highlighted in the operation interface, and corresponding characters describe corresponding contents;
and (3) path scheme selection: by clicking the 'appointed option', the comparison index parameters of all path schemes are displayed in a list, and a suggested scheme can be judged and given through a system;
the realization function comprises: designing a cable corridor;
manually arranging a working well: the method is supported in a three-dimensional design interface and a two-dimensional design interface, a work well module selection dialog box is popped up by manually clicking a designated position, and the work well module selected according to designated conditions is automatically matched to the designated position; the position of a working well is manually adjusted in a three-dimensional design interface and a two-dimensional design interface;
cable corridor layout: the automatic or manual line connection can be carried out according to the position of the working well and by combining the selection of a cable corridor three-dimensional module, and the related data of the line can automatically judge whether the requirements are met or not according to the related content of the specification, and carry out automatic early warning if the requirements are not met; the radian of the calandria is manually adjusted longitudinally and transversely;
information plotting: the basic information of the three-dimensional family library model can be automatically associated, and the 'selection display' is supported in a design interface; the related information of the line design such as the work well sequencing, the line corridor specification and the like can be automatically generated according to the specified requirements, and manual adjustment and modification are supported; manual marking of relevant dimensions of the line is supported;
and (3) cable corridor safety distance checking: the cable corridor can be used for realizing safe distance inspection and collision inspection of underground pipelines and surface buildings, the marks which do not meet the requirements are marked by different colors, and relevant information is displayed; support the manual neglect of the prompt item, but leave the relevant operation record;
the realization function comprises: designing a cable;
cable routing: the cable is automatically arranged by clicking the position of the corridor where the cable needs to be placed and combining the selected cable section and the corresponding cable bending radius; the places which do not accord with the cable laying requirements are marked by different colors and have related information display; the manual adjustment of the cable laying position and the cable bending radius is supported;
arranging cable joints: the method is supported in a three-dimensional design interface and a two-dimensional design interface, a cable connector module selection dialog box is popped up by manually clicking a designated position, and the cable connector module selected according to designated conditions is automatically matched to the designated position; the manual adjustment of the cable joint position in a three-dimensional design interface and a two-dimensional design interface is supported;
the realization function comprises: three-dimensional display;
shortest distance: the minimum distance between two different models can be obtained by clicking any position of the model under the integral three-dimensional design interface and is clearly displayed in the interface; the annotation function: the function of an annotation box can be added in the whole three-dimensional graph so as to input the text description; three-dimensional model: the method has the following functions of detail amplification under an integral three-dimensional design interface: any point in the three-dimensional graph can be grabbed and rotationally checked;
the realization function comprises: two-dimensional plotting; and (3) outputting a drawing: the profile generated at the selected location can reflect the condition of the subsurface equipment.
The platform also includes system interface management functions;
a mapping software application; managing the drawing files: the method is characterized in that the AUTOCAD and Bentley third-party drawing software are applied for design in a link mode, and the third-party drawing software design results are supported to be uniformly managed by a platform, including drawing, printing and consulting;
automatic conversion of file format: the platform can automatically analyze the formats of AUTOCAD and Bentley third-party drawing software;
a text editing software application; managing a text file: the method comprises the steps of realizing document editing by using WORD and EXCEL Microsoft office software in a link mode, and supporting unified management of office software archive files by a platform, including printing and consulting;
managing a text template: the method can manage text templates generated by WORD and EXCEL Microsoft office software, can automatically extract text information in design projects, apply the text information to template content editing, and can directly look up, edit and store template files in a platform; the support template file is edited in Microsoft office software and automatically stored or saved in the platform.
The platform also comprises the functions of design result management, professional standardized file management and system configuration management;
the design result management function realizes the positioning management of the existing power distribution station, overhead line and cable line, and result data can be shared in a system platform, so that the reference application of other projects is facilitated, and the three-dimensional design result, photo, video and file data lookup is supported;
the professional standardized file management function realizes the classified management of professional standardized files, supports uploading, quoting and downloading of the professional standardized files according to the authority, and can be associated with the operation of designing an input scene;
the system configuration management function realizes the functions of organization management, user authority management, coordinate system conversion, data dictionary and database configuration.
The platform database includes: three-dimensional model data, engineering information data, attribute data, unmanned aerial vehicle collected data docking and geographic information data;
the three-dimensional model data is used for supporting the derivation of three-dimensional design model achievements by taking engineering projects as units, and the three-dimensional model mainly comprises: a three-dimensional tower model, an insulator string model and other power grid models;
the engineering information data comprises basic information of engineering projects, engineering general profiles, project names, voltage levels, start-up time, completion time, loop information, meteorological conditions, topographic conditions, geological conditions, ground wire models, design units, construction units and supervision unit project basic information;
the attribute data is used for supporting the management and export work of various data attribute information of the engineering project, and the attribute data information comprises the following components: the system comprises an engineering line information table, a tower detail table, a cross spanning statistical table, a three-dimensional tower attribute information table, a hardware fitting insulator attribute information table, an insulator string attribute information table and a ground wire model table;
the unmanned aerial vehicle data acquisition butt joint is used for acquiring high-resolution data in an appointed range by unmanned aerial vehicle equipment and air route planning software, and loading the high-resolution data into a three-dimensional platform through cutting;
the geographic information data comprises basic image data, DEM data, road network data, power grid thematic data, various topographic maps and geological map data, and a related data format is derived according to an engineering requirement format.
The platform further comprises: the method has the advantages that the regional plot management function is realized, and the graph and attribute information of each plot are managed on the basis of the existing three-dimensional city model; supporting external introduction of the plots, plot shape editing, plot style editing and plot attribute expansion editing by plots in the areas; the plot in the supply area supports the management and statistics of attributes such as the property of the plot, the number of users in the plot, the current load, the current situation, the planning volume rate and the like; the saturated load prediction function is realized, the current load, the current situation and the planned volume rate of the land block in the supply area are counted according to the detailed control rule, and the saturated load in the supply area is accurately predicted; according to the saturated load prediction result, the spatial reference of the three-dimensional live-action city is combined to realize auxiliary planning and investment estimation of the medium-voltage power grid; according to the saturated load prediction result, the paths, the number of the medium-voltage lines, the distribution capacity and the number of the distribution transformer needed in the auxiliary decision supply area are realized; the method comprises the following steps of combining spatial reference of a three-dimensional live-action city, considering horizontal safety distance, cross spanning and geographic environment restriction among ground objects, and realizing auxiliary decision making on the trend of a medium-voltage line path and a power distribution position; according to the existing investment estimation formula, the project scale and investment estimation of the planned path is realized; the method realizes the three-dimensional display and query of the current situation and the planned medium-voltage power grid; the existing electric network achievement annual display, the flight browsing and the detail amplification browsing of the support path are realized; and the attribute query of the power grid path and the attribute query of the single power grid device are realized.
The invention has the following beneficial effects:
1. the existing various resources are integrated, and informatization management and data sharing are promoted;
by integrating result data, basic data, project data, special data and the like of planning, designing and other links and realizing classification and integrated management of various traditional data which are different in standards, different in formats and dispersedly stored in an informatization means, a unified resource library is formed to provide data service and information service for various departments such as power generation, power transformation, power transmission and distribution, planning, environmental safety assessment and the like of a design institute, data communication and resource sharing among the departments are realized, the data are gradually accumulated through a platform, real and reliable data support is provided for developing power planning work, the scientificity of planning results is improved, and management benefits are improved.
2. The system serves the power planning and design integrated service and improves the working efficiency;
by depending on a power resource database and utilizing the service function of a power digital design platform, the traditional empirical work mode is converted into quantized data comparison, so that the compiling of the report is more based; planning and designing work is planned macroscopically in a graphical and visual mode, and results are digitally managed, so that the improvement of the power transmission and transformation line engineering is facilitated, the decision level is improved, the decision time is shortened, and the working efficiency is improved. Meanwhile, the related achievements and data of the power planning design can be displayed in visual modes such as charts, maps and the like, and the work of inquiring, counting, outputting, reporting and the like is facilitated.
3. Integrating all service links to realize the cooperation and communication between the whole service flow and the content;
information such as business, technology and management is integrated, relevant work of business links such as planning and design is integrated on an integrated platform for development, cooperative work of workers in each department is realized on the basis of a unified data base and the same set of operation platform, workers in each department cooperate to complete relevant work of engineering through respective corresponding operation executed on the same set of platform, achievement of each link is automatically fed back to the work flow of the next link from a background, platform operation can be timely fed back to other workers, cooperation and communication of each business flow are realized, cooperative operation of the same platform is required by interaction of different departments, different platforms and different workers in each link in a traditional operation mode is changed, synchronization and consistency of design work are guaranteed, and meanwhile management level and operation efficiency are improved.
4. The application research tool is integrated, the technical content of the planning design is improved, and the lean planning design is realized;
in the electric power planning design work, project construction environments are increasingly complex, the coordination difficulty is high, the requirements of owners are higher and higher, the working depth is correspondingly deeper and deeper, the design technology content is also improved on the basis of controlling the manufacturing cost, the environmental protection, the social benefit and the economic benefit are emphasized, the related work flows are more and more, the development of the planning design work is effectively assisted by realizing the integration of professional computing software such as load prediction, electric power and electric quantity balance, route optimization and route selection, pole and tower arrangement, manufacturing cost estimation, electric calculation, environmental assessment water conservation and the like, the operability of the design scheme and the planning and design technology content are improved, and the lean planning and design are realized.
Drawings
FIG. 1 is a schematic diagram of a platform architecture according to the present invention;
FIG. 2 is a schematic flow chart of the platform of the present invention;
FIG. 3 is a schematic diagram of a three-dimensional display process of a power grid according to the present invention;
FIG. 4 is a schematic flow chart of the saturation load prediction according to the present invention;
FIG. 5 is a schematic diagram of an auxiliary decision medium voltage power grid planning process according to the present invention;
fig. 6 is a schematic diagram of a three-dimensional display of a power grid according to the present invention.
Detailed Description
The invention provides a three-dimensional real scene-based urban medium-voltage power grid planning and designing platform, which improves the efficiency and the accuracy of power grid planning.
A three-dimensional real scene based urban medium voltage power grid planning and designing platform realizes the three-dimensional visual display of the line design of the whole design cycle of a power distribution project, the design process and the result, and the platform further comprises the functions of three-dimensional real scene line design, cable three-dimensional design, three-dimensional distance verification, tower model analysis and space analysis.
The platform also comprises a distribution line design function, and the distribution line design function realizes the three-dimensional design of the overhead line; the distribution line oblique photography data are increased through a distribution design module, and the three-dimensional design is comprehensively applied to 20kV and below distribution overhead line engineering; engineering information input and engineering data arrangement are carried out by taking engineering projects as units, line selection is carried out through multi-scheme path ratio selection, overhead three-dimensional pole arrangement is carried out by combining digital positioning, and electrical safety distance verification is carried out through various electrical constraint conditions;
the realization function comprises: one-key reduction of the information of the ground object pipeline; obtaining a base map: integrating multi-source geographic information data, wherein the content comprises but is not limited to aerial orthogonal photography and oblique photography data, satellite images from Google and a sky map are loaded to a platform in a coordinate form and serve as the basis for platform geographic information visualization;
three-dimensional plotting: the method supports manual addition of objects such as points, lines and surfaces in a three-dimensional scene in a 'conversation list' form, including three-dimensional graphics, characters, photos and videos, and provides inquiry, editing and deleting operations of ground features; the basic information of the three-dimensional family library model can be automatically associated with the ground feature information in the platform, the three-dimensional family library model is supported in a three-dimensional scene, and the plotted ground feature basic information is checked in a mouse clicking mode; supporting the selection of any coordinate system for plotting ground objects and deriving a dwg graphic format; a dwg two-dimensional graph can be derived under the top view, and pictures can be derived from other views in a screen capture mode;
the realization function comprises: designing a line path; path drawing: the method supports that in a three-dimensional scene, a starting point, an end point and a corner point of a line path are manually specified, and related fixed points are automatically connected; allowing the fixed point position to be manually adjusted in a scene, and displaying the horizontal distance between the line and the surface building in real time; the scheme of drawing and storing a plurality of line paths in the same scene is supported, and a single path or a plurality of paths can be selected to be displayed;
judging the path and the safety distance: by clicking the ' appointed option ', path segments ' which do not accord with the requirement of horizontal safety distance with the ground objects and ' cross spanning or crossing path segments ' can be highlighted in the operation interface, and corresponding characters describe corresponding contents;
and (3) path scheme selection: by clicking the 'appointed option', the comparison index parameters of all path schemes are displayed in a list, and a suggested scheme can be judged and given through a system;
the realization function comprises: arranging towers;
automatic tower arranging: the terminal and corner positions of the line path can be automatically determined, the tower module can be selected in a 'conversation list' mode according to specified conditions, and the selection module is automatically matched into a three-dimensional design scene; automatic pole and tower ranking can be carried out along a line path according to the length, the span and the type of a pole and tower module which are given;
manually arranging the towers: the method is supported in a three-dimensional design interface and a flat section two-dimensional design interface, a tower module selection dialog box is popped up by manually clicking a designated position, and the tower module selected according to designated conditions is automatically matched to the designated position; the position of a tower is manually adjusted in a three-dimensional design interface and a flat section two-dimensional design interface;
manually setting an overhead switching device: the method is supported in a three-dimensional design interface and a flat section two-dimensional design interface, a switching device module selection dialog box is popped up by manually clicking a designated position, and the switching device module selected according to designated conditions is automatically matched to the designated position; the position of the switch device is manually adjusted in a three-dimensional design interface and a flat section two-dimensional design interface;
arranging the conducting wires: the automatic or manual wire connection can be carried out according to the position of the tower and in combination with wire type selection, and the related data of the line and the wire can automatically judge whether the requirements are met or not according to the related content of the specification, and carry out automatic early warning if the requirements are not met; the inserted insulating sub-modules, the wire drawing modules and the like can be automatically adjusted in angle according to the line direction;
drawing jumpers: the method is supported in a three-dimensional design interface, points are connected according to a three-dimensional space by clicking a designated position, and the radian of the connection line can be manually adjusted;
designing a flat section: the line plane section meeting the distribution network design requirement can be automatically generated according to the three-dimensional line design content; the method supports the simultaneous display of three-dimensional design and two-dimensional flat section design interfaces in a design interface, line design adjustment is carried out in any interface, and adjustment contents are displayed in real time in the other interface;
information plotting: the basic information of the three-dimensional family library model can be automatically associated, and the 'selection display' is supported in a design interface; information related to line design such as pole tower sequencing, line names and the like can be automatically generated according to specified requirements, and manual adjustment and modification are supported; manual marking of relevant dimensions of the line is supported;
cross-over checking: the safety distance inspection of the wire to the ground and the crossed ground objects is realized, the unqualified wires are marked by different colors, and relevant information is displayed; checking the using conditions of the tower such as horizontal span, vertical span, angle degree and the like, marking the unqualified tower by different colors, and displaying related information;
the realization function comprises: three-dimensional display; the three-dimensional model is realized, the detail amplification function is realized under the integral three-dimensional design interface, and any point in the three-dimensional image can be grabbed and rotationally checked.
The platform also comprises a cable line three-dimensional design function, and the cable line design function of 20kV or below is realized by combining urban power grid planning and field data, so that cable path planning, ground feature introduction and underground pipeline restoration are completed; completing automatic cable wiring through node selection and path comparison selection; carrying out pipeline collision inspection through the constraint conditions of the safe distance of the underground pipeline to complete the visual design of the underground pipeline;
the realization function comprises: one-key reduction of the information of the ground object pipeline;
obtaining a base map: the platform integrates multi-source geographic information data, the content of the data comprises but is not limited to aerial orthogonal photography and oblique photography data, satellite images from Google and a sky map are loaded to the three-dimensional platform in a coordinate form and serve as the basis for platform geographic information visualization;
cable data: the system can automatically convert pipeline node coordinates and pipeline burial depth data provided by underground pipeline geophysical prospecting results into WGS84 coordinate nodes, automatically guide corresponding three-dimensional model family library graphs into a platform according to the attributes of the pipeline nodes, automatically form three-dimensional lines according to the diameters and the contours of pipelines in the platform to connect with related nodes, generate underground pipeline three-dimensional graphs, and perform collision check and reminding on different professional pipelines; automatically converting road node coordinates provided by underground pipeline geophysical prospecting results into WGS84 coordinate nodes, automatically forming road outlines in the platform, and displaying road function partitions;
three-dimensional plotting: the method supports manual addition of objects such as points, lines and faces in a three-dimensional scene in a 'conversation list' form, and provides inquiry, editing and deletion operations of ground features; the basic information of the three-dimensional family library model can be automatically associated with the ground feature information in the platform, the three-dimensional family library model is supported in a three-dimensional scene, and the plotted ground feature basic information is checked in a mouse clicking mode; supporting the selection of any coordinate system for plotting ground objects and deriving a dwg graphic format;
the realization function comprises: designing a cable path;
path drawing: the method comprises the steps that in a three-dimensional scene, the starting point, the end point and the corner point of a line path are determined through manual designation or APP mobile data import, and relevant fixed points are automatically connected; allowing the fixed point position to be manually adjusted in a scene, and displaying the horizontal distance between the line and the surface building in real time; the scheme of drawing and storing a plurality of line paths in the same scene is supported, and a single path or a plurality of paths can be selected to be displayed;
judging the path and the safety distance: by clicking the ' appointed option ', path segments ' which do not accord with the requirement of horizontal safety distance with the ground objects and ' cross spanning or crossing path segments ' can be highlighted in the operation interface, and corresponding characters describe corresponding contents;
and (3) path scheme selection: by clicking the 'appointed option', the comparison index parameters of all path schemes are displayed in a list, and a suggested scheme can be judged and given through a system;
the realization function comprises: designing a cable corridor;
manually arranging a working well: the method is supported in a three-dimensional design interface and a two-dimensional design interface, a work well module selection dialog box is popped up by manually clicking a designated position, and the work well module selected according to designated conditions is automatically matched to the designated position; the position of a working well is manually adjusted in a three-dimensional design interface and a two-dimensional design interface;
cable corridor layout: the automatic or manual line connection can be carried out according to the position of the working well and by combining the selection of a cable corridor three-dimensional module, and the related data of the line can automatically judge whether the requirements are met or not according to the related content of the specification, and carry out automatic early warning if the requirements are not met; the radian of the calandria is manually adjusted longitudinally and transversely;
information plotting: the basic information of the three-dimensional family library model can be automatically associated, and the 'selection display' is supported in a design interface; the related information of the line design such as the work well sequencing, the line corridor specification and the like can be automatically generated according to the specified requirements, and manual adjustment and modification are supported; manual marking of relevant dimensions of the line is supported;
and (3) cable corridor safety distance checking: the cable corridor can be used for realizing safe distance inspection and collision inspection of underground pipelines and surface buildings, the marks which do not meet the requirements are marked by different colors, and relevant information is displayed; support the manual neglect of the prompt item, but leave the relevant operation record;
the realization function comprises: designing a cable;
cable routing: the cable is automatically arranged by clicking the position of the corridor where the cable needs to be placed and combining the selected cable section and the corresponding cable bending radius; the places which do not accord with the cable laying requirements are marked by different colors and have related information display; the manual adjustment of the cable laying position and the cable bending radius is supported;
arranging cable joints: the method is supported in a three-dimensional design interface and a two-dimensional design interface, a cable connector module selection dialog box is popped up by manually clicking a designated position, and the cable connector module selected according to designated conditions is automatically matched to the designated position; the manual adjustment of the cable joint position in a three-dimensional design interface and a two-dimensional design interface is supported;
the realization function comprises: three-dimensional display;
shortest distance: the minimum distance between two different models can be obtained by clicking any position of the model under the integral three-dimensional design interface and is clearly displayed in the interface; the annotation function: the function of an annotation box can be added in the whole three-dimensional graph so as to input the text description; three-dimensional model: the method has the following functions of detail amplification under an integral three-dimensional design interface: any point in the three-dimensional graph can be grabbed and rotationally checked;
the realization function comprises: two-dimensional plotting; and (3) outputting a drawing: the profile generated at the selected location can reflect the condition of the subsurface equipment.
The platform also includes system interface management functions;
a mapping software application; managing the drawing files: the method is characterized in that the AUTOCAD and Bentley third-party drawing software are applied for design in a link mode, and the third-party drawing software design results are supported to be uniformly managed by a platform, including drawing, printing and consulting;
automatic conversion of file format: the platform can automatically analyze the formats of AUTOCAD and Bentley third-party drawing software;
a text editing software application; managing a text file: the method comprises the steps of realizing document editing by using WORD and EXCEL Microsoft office software in a link mode, and supporting unified management of office software archive files by a platform, including printing and consulting;
managing a text template: the method can manage text templates generated by WORD and EXCEL Microsoft office software, can automatically extract text information in design projects, apply the text information to template content editing, and can directly look up, edit and store template files in a platform; the support template file is edited in Microsoft office software and automatically stored or saved in the platform.
The platform also comprises the functions of design result management, professional standardized file management and system configuration management;
the design result management function realizes the positioning management of the existing power distribution station, overhead line and cable line, and result data can be shared in a system platform, so that the reference application of other projects is facilitated, and the three-dimensional design result, photo, video and file data lookup is supported;
the professional standardized file management function realizes the classified management of professional standardized files, supports uploading, quoting and downloading of the professional standardized files according to the authority, and can be associated with the operation of designing an input scene;
the system configuration management function realizes the functions of organization management, user authority management, coordinate system conversion, data dictionary and database configuration.
The platform database includes: three-dimensional model data, engineering information data, attribute data, unmanned aerial vehicle collected data docking and geographic information data;
the three-dimensional model data is used for supporting the derivation of three-dimensional design model achievements by taking engineering projects as units, and the three-dimensional model mainly comprises: a three-dimensional tower model, an insulator string model and other power grid models;
the engineering information data comprises basic information of engineering projects, engineering general profiles, project names, voltage levels, start-up time, completion time, loop information, meteorological conditions, topographic conditions, geological conditions, ground wire models, design units, construction units and supervision unit project basic information;
the attribute data is used for supporting the management and export work of various data attribute information of the engineering project, and the attribute data information comprises the following components: the system comprises an engineering line information table, a tower detail table, a cross spanning statistical table, a three-dimensional tower attribute information table, a hardware fitting insulator attribute information table, an insulator string attribute information table and a ground wire model table;
the unmanned aerial vehicle data acquisition butt joint is used for acquiring high-resolution data in an appointed range by unmanned aerial vehicle equipment and air route planning software, and loading the high-resolution data into a three-dimensional platform through cutting;
the geographic information data comprises basic image data, DEM data, road network data, power grid thematic data, various topographic maps and geological map data, and a related data format is derived according to an engineering requirement format.
The platform further comprises: the method has the advantages that the regional plot management function is realized, and the graph and attribute information of each plot are managed on the basis of the existing three-dimensional city model; supporting external introduction of the plots, plot shape editing, plot style editing and plot attribute expansion editing by plots in the areas; the plot in the supply area supports the management and statistics of attributes such as the property of the plot, the number of users in the plot, the current load, the current situation, the planning volume rate and the like; the saturated load prediction function is realized, the current load, the current situation and the planned volume rate of the land block in the supply area are counted according to the detailed control rule, and the saturated load in the supply area is accurately predicted; according to the saturated load prediction result, the spatial reference of the three-dimensional live-action city is combined to realize auxiliary planning and investment estimation of the medium-voltage power grid; according to the saturated load prediction result, the paths, the number of the medium-voltage lines, the distribution capacity and the number of the distribution transformer needed in the auxiliary decision supply area are realized; the method comprises the following steps of combining spatial reference of a three-dimensional live-action city, considering horizontal safety distance, cross spanning and geographic environment restriction among ground objects, and realizing auxiliary decision making on the trend of a medium-voltage line path and a power distribution position; according to the existing investment estimation formula, the project scale and investment estimation of the planned path is realized; the method realizes the three-dimensional display and query of the current situation and the planned medium-voltage power grid; the existing electric network achievement annual display, the flight browsing and the detail amplification browsing of the support path are realized; and the attribute query of the power grid path and the attribute query of the single power grid device are realized.
FIG. 1 is a schematic diagram of a platform architecture according to the present invention;
FIG. 2 is a schematic flow chart of the platform of the present invention;
fig. 3 is a schematic diagram of a three-dimensional display process of the power grid according to the present invention. The method comprises the following steps: 1. the method comprises the steps of three-dimensional live-action city and three-dimensional power grid equipment preparation 2, supply area block management 3, saturated load prediction 4, auxiliary decision medium-voltage power grid planning 5, project construction scale and investment estimation 6 and medium-voltage power grid three-dimensional display. Through the steps, a planner can rapidly and accurately plan the power grid and estimate project investment.
FIG. 4 is a schematic view of a saturated load prediction process according to the present invention, which first introduces the existing data of the plot, and supports the graphic editing, style editing, attribute query, etc. for each plot; attributions such as the number of users and the land property of each land are given to each land, and the attributes such as the current load, the current situation and the planning volume rate of each land are generated according to the detailed rules of controllability; and generating a saturated load prediction result in the supply area according to a saturated load prediction algorithm on the basis of the property of the land parcel.
Fig. 5 is a schematic diagram of a medium voltage power grid planning flow in an auxiliary decision-making manner according to the present invention, wherein a planning designer is assisted in deciding the medium voltage line paths, the number of medium voltage lines, the distribution transformation capacity, the number of medium voltage lines, and the like required in a supply area according to the saturation load prediction result generated in fig. 2 and by combining an existing algorithm; taking the space of the three-dimensional live-action city as a reference, considering safety distance, cross spanning, environmental constraint and the like among the ground objects, assisting in deciding the trend of a line path, the arrangement of power grid equipment and the like, and carrying out cross spanning detection, safety distance verification and the like of the ground objects in real time in the path planning process; and (4) planning the finished path, counting the investment scale and budget of the whole line based on an investment estimation algorithm, and outputting an investment estimation table and the like.
Fig. 6 is a schematic diagram of a three-dimensional power grid display of the present invention, which includes content and modes of platform power grid display, and mainly includes displaying all current situations, planning power grids by year and color, displaying details of power grid equipment by browsing and enlarging, supporting querying of line paths and power grid equipment according to spatial relationship and attribute information, displaying of flying browsing of power grid paths and video recording, and supporting calculation of distances between any power grid equipment and surrounding buildings in a three-dimensional scene.
The system design principle of the invention is as follows:
1) principle of practicality
The practicability is the most important factor directly influencing the operation effect and the vitality of the system, the project construction needs to be tightly centered around various actual requirements by electric power design, the design planning has pertinence and instructiveness, the system interaction is good, and the operation, the understanding and the control are easy. The human-computer interface is concise and uniform; the instruction is simple, accurate and unanimous, the result is directly perceived, and the professional such as electric power designer, equipment maintenance, management use of being convenient for can improve the efficiency of electric power design management work conscientiously, realizes the comprehensive informationization of management work.
2) Principle of advancement
In order to realize the construction target of the system, the project construction needs to fully consider the development trend and the technical current situation at home and abroad, and adopts an advanced, mature and development-future technology to ensure the advancement of the project construction. Important software support platforms such as an application server, a database product, a two-dimensional and three-dimensional GIS platform and the like need to select products leading and mainstream in the industry, not only aim at the requirements of the current system, but also aim at the future development, and aim at application, high starting point and high-quality construction to enable the project construction level to reach the domestic advanced level.
3) Normative principle
The project construction process firstly must conform to the national standard, the industry standard and the regulations of the superior relevant departments, and secondly, the implementation process needs to establish a series of standards or operation specifications including data quality standard, data organization standard, software design standard, program coding standard, document management standard, system maintenance standard and the like. At the same time, strict quality management is required according to the programming, development and implementation of system engineering.
4) Principle of standardization
The system construction, the service processing and the technical scheme are in accordance with relevant informatization standards and industrial specifications of the world, the country and the industry. The software architecture, communication protocol and interface standard all adopt international standard or mainstream industry standard, so that the application system can be easily interconnected, expanded, operated and managed.
5) Principle of expandability
The system should support different types of mainstream relational databases such as Oracle and SQL Server, fully considers the requirements of network and hardware expansion and system secondary development, and supports the increase of data types, data volumes and concurrent access volumes brought by new services appearing in the future; support the growth and change of new business systems or data service types, and have the capability of continuing improvement.
6) Principle of stability
The stability and reliability of the system are important indexes for measuring the performance of the system, and the construction of the master database is comprehensively considered from various aspects such as system structure, technical measures, software and hardware platforms, technical service and corresponding maintenance capacity when the system is designed, developed and applied, and adopts a mainstream, mature, stable and advanced operating system, a database, a network protocol, middleware and the like to ensure higher performance and lower failure rate of the system and long-term operation of the system after the system is constructed.
7) Principle of safety
Because the data related to the whole system is confidential data information of countries and power design enterprises, the system safety and data confidentiality are the basic requirements of system design, the system construction must be carried out on the basis of the principle of ensuring, a comprehensive authority management mechanism is established, and the safety management of a database is ensured. The safe use of the data is realized by designing flexible and complete systems such as identity authentication, authority, roles, logs and the like. The method has the advantages that the safety management of the database and a complete database backup and recovery mechanism are built, the code is guaranteed to be free of invalid access or attack behaviors, and meanwhile, the data are guaranteed not to be illegally invaded, stolen or damaged through physical or software means.
Project construction needs to meet the operation safety standard of the system and achieve the 'universal loss' of system operation. The safety measures of the whole system are required to be considered in system design, products with mature technology in the industry are used, a safe and reliable system architecture is adopted, and the safety and reliability of information are guaranteed by using a perfect safety strategy. A perfect safety management system is established, strict safety levels are set, and system safety is guaranteed, including database safety, application service safety, Web service safety, system safety and the like. Meanwhile, the confidentiality principle of confidential data is ensured.
8) Principle of flexibility
The project design and implementation are fully considered and perfected, so that the whole system has good expansibility and inclusiveness, can customize a platform meeting the self service function requirement and showing according to personalized requirements, and has excellent adaptability to future expansion or change of service requirements.
The overall scheme design of the system fully considers the principles of 'standard and open' from equipment type selection to design and development in the aspects of determining an architecture, a hardware platform and a software platform. In the aspect of design and development of an application system, an application platform with certain flexibility and expandability is established on the basis of standardized and modularized design ideas, so that the system not only keeps large openness on the system structure, but also provides various flexible interfaces, and the inside of the system also keeps a certain degree of expandability.
9) Principle of easy operability
The system use and operation interface requirements are all Chinese, the interface is attractive, the current popular customizable ribbon style is adopted, the operation habit is close to the operation habit of CAD and common Google Earth, a right mouse button shortcut menu item is set, and meanwhile, the application system with the characteristics of industrial characteristics, standardized operation mode, friendly human-computer interface, visual function display, attractive format output and the like is developed according to the application requirement and habit of power design enterprises, so that the system has the advantages of powerful functions, strong space data and statistical result display capability, attractive and friendly interface, close to reality, simplicity in operation and convenience in use.
10) Data access efficiency
The data loading speed of the main database is far higher than the generation speed of new data, and the phenomenon that the data of the main database is not updated in time is not allowed to occur; the comprehensive query time for supporting the concurrent service data of the user is less than 1s, and the data analysis time is less than 5 s; the spatial data expression time is less than 5s, so that most operation response time of the system is ensured to be less than 2 seconds, and the maximum response time of system startup and the like is not more than 10 seconds.
11) Principle of data independence
The method fully considers the diversity and the independence of project data of a three-dimensional power transmission line digital design system, and has the capability of selectively inputting and outputting related data or a database, the capability of data migration backup for one time or multiple times, the capability of partial or whole data conversion, and the capability of cellular encryption, thereby ensuring the requirements of secret-related or data independence.
12) System maintainability principles
The design and implementation of the three-dimensional power transmission line digital design system project must have code compiling specifications, so that codes meet the requirements of readability, understandability and traceability; the packaging method has good packaging property, logicality, integrity, stability and the like, and meets various requirements of identifiability, separability and the like. Meanwhile, project documents are updated in time to form versions corresponding to the codes, follow-up is achieved in time, recording is achieved in time, maintenance can be achieved, backtracking can be achieved, verification can be achieved, and necessary local maintenance and modification after the software is put into formal operation are guaranteed.
The logic architecture design of the invention:
the logical architecture of the platform can be divided into two systems of six layers, namely an infrastructure layer, a data management layer, a data access layer, an application service layer, an application layer, a user layer, an information standard system and an information safety protection system. The data access layer, the application service layer, the application layer and the user layer are separated, and the system is convenient to expand.
(1) Infrastructure layer
The infrastructure layer comprises hardware, software, networks, operating system software and the like required by the system operation, and is used for guaranteeing the normal operation and use of the system.
(2) Data management layer
The management object of the data management layer covers various basic data, design thematic data, engineering data and other contents required by the platform, the various data are hierarchically organized and classified, a centralized and unified management power transmission line database is built based on a large-scale database management system, the application of the storage system and disaster recovery backup technology is enhanced by perfecting the construction of data storage management infrastructure, uniformly planning software, hardware and network environment, constructing sub-level databases of engineering information, basic geography, thematic information, business information, three-dimensional models and the like facing professional application, unified data resource management is realized, and effective support is provided for data access, management and sharing of each application service.
(3) Data access layer
The data access layer is a foundation for supporting various professional application services, and provides data access support for the power transmission line database with unified storage management by means of various mainstream technical means. NET, NHibaernate, Microsoft enterprise library and other modes provide access support for attribute data managed based on a two-dimensional relation table, an ArcSDE space data engine provides access support for graphic data stored and managed in a unified mode, an ArcGIS Server provides rapid data access support for large-capacity data such as images and DEMs based on OGC specifications, FTP provides remote access support for various document materials, and WebService and WCF provide issuing and sharing of various data services.
(4) Application service layer
The application service layer is the basis for all application services. On the basis of each functional module of the system, similar functions are extracted to construct a general application service, the general application service comprises abstract functional services such as domain login, chart statistics, database connection, result query, auxiliary tools and the like, and also comprises packaged component objects such as drawing output, data editing, layer management and the like, more general components are used in the system, in order to avoid repeated development of functions, the general components and the functional services can be extracted to be used by other application modules for calling, and the component modification can meet the requirement of all system modification when the service is changed.
(5) Application layer
The application layer centralizes and visually embodies various application functions of the system, provides applications such as a two-dimensional and three-dimensional basic platform and power transmission line design for a design institute, provides auxiliary design support for development of various professional works, provides professional tool services for work such as line selection, pole and tower arrangement, electrical design and structural design, meets the use requirements of various professional users on the system, and assists in improving the working efficiency.
(6) User layer
The user layer mainly constructs interfaces which accord with users of different levels according to the specific requirements of related service objects of the system. The method mainly provides auxiliary professional design support for the design institute business department.
(7) Information standardization system
The information standardization system mainly meets the requirement of information resource sharing. Standards are provided for system integration and integration. The problem of data multiple source and multiplicity of an information system is solved, and a system integration basis and related technical standards formulated or adopted by links of information acquisition, transmission, exchange, storage, processing, sharing and the like are provided.
(8) Safety protection system
The safety protection system is the sum of all technical tools and measures for providing the overall safety of software and hardware of the system, and the comprehensive safety protection of the system is realized according to the requirement of platform design on the safety protection aspect. The protection measures cover all parts of the platform, including data security, application security, system security, network security and the like.
The system architecture design of the invention:
the platform belongs to a system mainly based on design, and is divided into service function modules such as a basic platform, an electrical design, a structural design and an auxiliary tool, service design work is carried out based on a unified distribution line database and a planning database, different service data are interconnected and communicated through a bottom database, each service module is integrated with professional software in an interface mode, two modules of data management and system management are provided for maintenance and management of the data and the platform, and the modules are mutually linked, sequentially run through and serve related work of the system together.
1. Building a core database
And (4) building a centralized and unified management platform database. By integrating and analyzing the contents of various conventional surveying and power distribution service data, achievement data and the like in multiple ways, designing a unified database logic structure, dredging the logic interrelation among bottom data, and realizing interconnection and intercommunication of data streams among various specialties; the application of a storage system and a disaster recovery backup technology is enhanced by perfecting the construction of data storage management infrastructure, constructing a green machine room, and uniformly planning software, hardware and network environment; on the basis, application-oriented sub-level databases such as basic geography, special subjects, projects, services, three-dimensional models and the like are built, data resource management is unified, and effective support is provided for data application and data sharing of distribution line design services.
The platform construction adopts the matching of a large-scale relational database management system and a spatial data engine to build a spatial database which integrates the management of various types of data such as space, attributes, documents, videos, audios, photos and the like. Based on the spatial database, realizing access to spatial data by means of a spatial data engine; providing read-write support for attribute data by means of a database access driver; for images, DEM and other data with low updating frequency and large data volume, the data are published into corresponding map services for the platform and other third-party software by following the OGC specification and by means of a map service publishing engine; and for the data objects of the document, the video, the audio and the like which are not updated any more, providing access support for the external in a file server mode such as FTP.
2. Based on two guarantee systems
On the basis of an information standardization system, the method follows national and industrial standards such as GB/T13923-.
A safety protection system matched with the information standardization system is established, and data safety is guaranteed by designating a regular data backup and recovery plan and combining a server dual-computer backup technology; the system function authority is controlled, the access of data service and function service is managed, the basic operation parameters of the system are controlled, the system plug-in is maintained uniformly, and the operation state information of the system is recorded in combination with a log so as to modify and maintain in time, thereby ensuring the application safety of the system; the network security of the system is ensured by measures such as internal and external network isolation, firewall monitoring and the like. By effectively preventing and controlling the safety risk of the system, the detection capability, the protection capability, the safety early warning capability and the emergency processing capability of the system can be enhanced, and the operation of the three-dimensional distribution line digital design system is guaranteed.
Designing a data architecture:
in the design of a system logic structure, a data access layer is a core module which links an application service layer and a data management layer and serves as the basis of the application service layer, the data access layer bears the responsibility of providing space, attributes and document data access for the application service layer and serves as the extension of the data management layer, and the data access layer shields the difference of multi-source, heterogeneous and distributed data storage and provides uniform data access service for the outside. The key point of the system data interaction design is to coordinate the data application requirements of the application service layer and the data service requirements of the data management layer, and various data access services are provided to the outside in a convenient and fast mode based on a good data classification storage management mode of the data management layer.
When a user accesses through each operation window of the display layer, the data control layer calls a standard interface provided by the background to transmit request data to the control layer, the control layer organizes, encapsulates and encrypts the incoming data and then calls a service interface provided by a corresponding module to perform request processing, each module calls a corresponding data entity object operation according to the request type and transmits an operation result to the control layer, the operation result is returned to the foreground display layer after being processed, and the display layer component renders a user response interface.
And the service component in the service module calls a corresponding data entity operation interface according to the request data and the request type submitted by the control layer, encrypts an operation result and returns the operation result to the control layer.
The tile data are processed, a pyramid is established and stored in a server disk in a file form, a platform client organizes the type and the level of data to be loaded of a current viewpoint according to the position information of a three-dimensional scene viewpoint, and accesses a spatial data distribution server according to a defined rule to acquire spatial data such as an image, a DEM (digital elevation model), a road network and the like.
The persistent layer is equivalent to the cache of the database table in the memory, the presentation layer and the business layer need to complete the interaction with the database through the persistent layer, the business layer transmits the corresponding data table or data set to the persistent layer when retrieving or updating data, and calls the corresponding method to complete the operation and return the result.
Designing a coordinate system:
in consideration of the possibility that original data has various coordinate systems in the system construction process, and in consideration of the limitation that a three-dimensional system only can support a WGS84 coordinate system in the construction process, in order to avoid the precision loss after the data coordinates are converted for multiple times, in the platform application, a WGS84 coordinate system is uniformly adopted for a two-dimensional view and a three-dimensional view; in data storage, the data storage is mainly divided into two types of processing, coordinate conversion is carried out on the outside before basic data such as administrative divisions, images, DEMs and the like are put into storage, stored data are converted data, engineering plotting data are put into storage and subjected to coordinate conversion storage management, data conversion parameter information is synchronously recorded and stored, and dynamic conversion coordinate updating is carried out on a system background when parameters of a standard section 7 are modified so as to ensure the reliability of data precision.
Designing a plug-in mechanism:
in consideration of flexibility, expandability and robustness of a platform system structure, development of all modules of the platform is carried out on the basis of a uniform plug-in engine technology, and basic information of each function of each module of the platform is dynamically controlled by introducing a plug-in mechanism, wherein the basic information comprises the module where each function is located, the superior-inferior relation, the name, the title and the like of a menu to which the module belongs. According to different reusability and requirements of various functions, a plug-in engine of a platform is mainly divided into three different granularities of a menu level, a module level and a function level, all levels of plug-ins are packaged layer by layer on the basis of the function level with the finest granularity, the module level plug-ins are packaged by the function level plug-ins, and the menu level plug-ins are combined by the module level plug-ins.
Claims (7)
1. The urban medium-voltage power grid planning and designing platform based on the three-dimensional live view is characterized in that the platform realizes the three-dimensional visual display of the line design of the whole design period of a power distribution project, the design process and the result, and the platform further comprises the functions of three-dimensional live view line design, three-dimensional cable design, three-dimensional distance verification, tower model analysis and space analysis.
2. The urban medium voltage power grid planning and design platform based on the three-dimensional real scene as claimed in claim 1, wherein: the platform also comprises a distribution line design function, and the distribution line design function realizes the three-dimensional design of the overhead line; the distribution line oblique photography data are increased through a distribution design module, and the three-dimensional design is comprehensively applied to 20kV and below distribution overhead line engineering; engineering information input and engineering data arrangement are carried out by taking engineering projects as units, line selection is carried out through multi-scheme path ratio selection, overhead three-dimensional pole arrangement is carried out by combining digital positioning, and electrical safety distance verification is carried out through various electrical constraint conditions;
the realization function comprises: one-key reduction of the information of the ground object pipeline; obtaining a base map: integrating multi-source geographic information data, wherein the content comprises but is not limited to aerial orthogonal photography and oblique photography data, satellite images from Google and a sky map are loaded to a platform in a coordinate form and serve as the basis for platform geographic information visualization;
three-dimensional plotting: the method supports manual addition of objects such as points, lines and surfaces in a three-dimensional scene in a 'conversation list' form, including three-dimensional graphics, characters, photos and videos, and provides inquiry, editing and deleting operations of ground features; the basic information of the three-dimensional family library model can be automatically associated with the ground feature information in the platform, the three-dimensional family library model is supported in a three-dimensional scene, and the plotted ground feature basic information is checked in a mouse clicking mode; supporting the selection of any coordinate system for plotting ground objects and deriving a dwg graphic format; a dwg two-dimensional graph can be derived under the top view, and pictures can be derived from other views in a screen capture mode;
the realization function comprises: designing a line path; path drawing: the method supports that in a three-dimensional scene, a starting point, an end point and a corner point of a line path are manually specified, and related fixed points are automatically connected; allowing the fixed point position to be manually adjusted in a scene, and displaying the horizontal distance between the line and the surface building in real time; the scheme of drawing and storing a plurality of line paths in the same scene is supported, and a single path or a plurality of paths can be selected to be displayed;
judging the path and the safety distance: by clicking the ' appointed option ', path segments ' which do not accord with the requirement of horizontal safety distance with the ground objects and ' cross spanning or crossing path segments ' can be highlighted in the operation interface, and corresponding characters describe corresponding contents;
and (3) path scheme selection: by clicking the 'appointed option', the comparison index parameters of all path schemes are displayed in a list, and a suggested scheme can be judged and given through a system;
the realization function comprises: arranging towers;
automatic tower arranging: the terminal and corner positions of the line path can be automatically determined, the tower module can be selected in a 'conversation list' mode according to specified conditions, and the selection module is automatically matched into a three-dimensional design scene; automatic pole and tower ranking can be carried out along a line path according to the length, the span and the type of a pole and tower module which are given;
manually arranging the towers: the method is supported in a three-dimensional design interface and a flat section two-dimensional design interface, a tower module selection dialog box is popped up by manually clicking a designated position, and the tower module selected according to designated conditions is automatically matched to the designated position; the position of a tower is manually adjusted in a three-dimensional design interface and a flat section two-dimensional design interface;
manually setting an overhead switching device: the method is supported in a three-dimensional design interface and a flat section two-dimensional design interface, a switching device module selection dialog box is popped up by manually clicking a designated position, and the switching device module selected according to designated conditions is automatically matched to the designated position; the position of the switch device is manually adjusted in a three-dimensional design interface and a flat section two-dimensional design interface;
arranging the conducting wires: the automatic or manual wire connection can be carried out according to the position of the tower and in combination with wire type selection, and the related data of the line and the wire can automatically judge whether the requirements are met or not according to the related content of the specification, and carry out automatic early warning if the requirements are not met; the inserted insulating sub-modules, the wire drawing modules and the like can be automatically adjusted in angle according to the line direction;
drawing jumpers: the method is supported in a three-dimensional design interface, points are connected according to a three-dimensional space by clicking a designated position, and the radian of the connection line can be manually adjusted;
designing a flat section: the line plane section meeting the distribution network design requirement can be automatically generated according to the three-dimensional line design content; the method supports the simultaneous display of three-dimensional design and two-dimensional flat section design interfaces in a design interface, line design adjustment is carried out in any interface, and adjustment contents are displayed in real time in the other interface;
information plotting: the basic information of the three-dimensional family library model can be automatically associated, and the 'selection display' is supported in a design interface; information related to line design such as pole tower sequencing, line names and the like can be automatically generated according to specified requirements, and manual adjustment and modification are supported; manual marking of relevant dimensions of the line is supported;
cross-over checking: the safety distance inspection of the wire to the ground and the crossed ground objects is realized, the unqualified wires are marked by different colors, and relevant information is displayed; checking the using conditions of the tower such as horizontal span, vertical span, angle degree and the like, marking the unqualified tower by different colors, and displaying related information;
the realization function comprises: three-dimensional display; the three-dimensional model is realized, the detail amplification function is realized under the integral three-dimensional design interface, and any point in the three-dimensional image can be grabbed and rotationally checked.
3. The urban medium voltage power grid planning and design platform based on the three-dimensional real scene as claimed in claim 1, wherein: the platform also comprises a cable line three-dimensional design function, and the cable line design function of 20kV or below is realized by combining urban power grid planning and field data, so that cable path planning, ground feature introduction and underground pipeline restoration are completed; completing automatic cable wiring through node selection and path comparison selection; carrying out pipeline collision inspection through the constraint conditions of the safe distance of the underground pipeline to complete the visual design of the underground pipeline;
the realization function comprises: one-key reduction of the information of the ground object pipeline;
obtaining a base map: the platform integrates multi-source geographic information data, the content of the data comprises but is not limited to aerial orthogonal photography and oblique photography data, satellite images from Google and a sky map are loaded to the three-dimensional platform in a coordinate form and serve as the basis for platform geographic information visualization;
cable data: the system can automatically convert pipeline node coordinates and pipeline burial depth data provided by underground pipeline geophysical prospecting results into WGS84 coordinate nodes, automatically guide corresponding three-dimensional model family library graphs into a platform according to the attributes of the pipeline nodes, automatically form three-dimensional lines according to the diameters and the contours of pipelines in the platform to connect with related nodes, generate underground pipeline three-dimensional graphs, and perform collision check and reminding on different professional pipelines; automatically converting road node coordinates provided by underground pipeline geophysical prospecting results into WGS84 coordinate nodes, automatically forming road outlines in the platform, and displaying road function partitions;
three-dimensional plotting: the method supports manual addition of objects such as points, lines and faces in a three-dimensional scene in a 'conversation list' form, and provides inquiry, editing and deletion operations of ground features; the basic information of the three-dimensional family library model can be automatically associated with the ground feature information in the platform, the three-dimensional family library model is supported in a three-dimensional scene, and the plotted ground feature basic information is checked in a mouse clicking mode; supporting the selection of any coordinate system for plotting ground objects and deriving a dwg graphic format;
the realization function comprises: designing a cable path;
path drawing: the method comprises the steps that in a three-dimensional scene, the starting point, the end point and the corner point of a line path are determined through manual designation or APP mobile data import, and relevant fixed points are automatically connected; allowing the fixed point position to be manually adjusted in a scene, and displaying the horizontal distance between the line and the surface building in real time; the scheme of drawing and storing a plurality of line paths in the same scene is supported, and a single path or a plurality of paths can be selected to be displayed;
judging the path and the safety distance: by clicking the ' appointed option ', path segments ' which do not accord with the requirement of horizontal safety distance with the ground objects and ' cross spanning or crossing path segments ' can be highlighted in the operation interface, and corresponding characters describe corresponding contents;
and (3) path scheme selection: by clicking the 'appointed option', the comparison index parameters of all path schemes are displayed in a list, and a suggested scheme can be judged and given through a system;
the realization function comprises: designing a cable corridor;
manually arranging a working well: the method is supported in a three-dimensional design interface and a two-dimensional design interface, a work well module selection dialog box is popped up by manually clicking a designated position, and the work well module selected according to designated conditions is automatically matched to the designated position; the position of a working well is manually adjusted in a three-dimensional design interface and a two-dimensional design interface;
cable corridor layout: the automatic or manual line connection can be carried out according to the position of the working well and by combining the selection of a cable corridor three-dimensional module, and the related data of the line can automatically judge whether the requirements are met or not according to the related content of the specification, and carry out automatic early warning if the requirements are not met; the radian of the calandria is manually adjusted longitudinally and transversely;
information plotting: the basic information of the three-dimensional family library model can be automatically associated, and the 'selection display' is supported in a design interface; the related information of the line design such as the work well sequencing, the line corridor specification and the like can be automatically generated according to the specified requirements, and manual adjustment and modification are supported; manual marking of relevant dimensions of the line is supported;
and (3) cable corridor safety distance checking: the cable corridor can be used for realizing safe distance inspection and collision inspection of underground pipelines and surface buildings, the marks which do not meet the requirements are marked by different colors, and relevant information is displayed; support the manual neglect of the prompt item, but leave the relevant operation record;
the realization function comprises: designing a cable;
cable routing: the cable is automatically arranged by clicking the position of the corridor where the cable needs to be placed and combining the selected cable section and the corresponding cable bending radius; the places which do not accord with the cable laying requirements are marked by different colors and have related information display; the manual adjustment of the cable laying position and the cable bending radius is supported;
arranging cable joints: the method is supported in a three-dimensional design interface and a two-dimensional design interface, a cable connector module selection dialog box is popped up by manually clicking a designated position, and the cable connector module selected according to designated conditions is automatically matched to the designated position; the manual adjustment of the cable joint position in a three-dimensional design interface and a two-dimensional design interface is supported;
the realization function comprises: three-dimensional display;
shortest distance: the minimum distance between two different models can be obtained by clicking any position of the model under the integral three-dimensional design interface and is clearly displayed in the interface; the annotation function: the function of an annotation box can be added in the whole three-dimensional graph so as to input the text description; three-dimensional model: the method has the following functions of detail amplification under an integral three-dimensional design interface: any point in the three-dimensional graph can be grabbed and rotationally checked;
the realization function comprises: two-dimensional plotting; and (3) outputting a drawing: the profile generated at the selected location can reflect the condition of the subsurface equipment.
4. The urban medium voltage power grid planning and design platform based on the three-dimensional real scene as claimed in claim 1, wherein: the platform also includes system interface management functions;
a mapping software application; managing the drawing files: the method is characterized in that the AUTOCAD and Bentley third-party drawing software are applied for design in a link mode, and the third-party drawing software design results are supported to be uniformly managed by a platform, including drawing, printing and consulting;
automatic conversion of file format: the platform can automatically analyze the formats of AUTOCAD and Bentley third-party drawing software;
a text editing software application; managing a text file: the method comprises the steps of realizing document editing by using WORD and EXCEL Microsoft office software in a link mode, and supporting unified management of office software archive files by a platform, including printing and consulting;
managing a text template: the method can manage text templates generated by WORD and EXCEL Microsoft office software, can automatically extract text information in design projects, apply the text information to template content editing, and can directly look up, edit and store template files in a platform; the support template file is edited in Microsoft office software and automatically stored or saved in the platform.
5. The urban medium voltage power grid planning and design platform based on the three-dimensional real scene as claimed in claim 1, wherein: the platform also comprises the functions of design result management, professional standardized file management and system configuration management;
the design result management function realizes the positioning management of the existing power distribution station, overhead line and cable line, and result data can be shared in a system platform, so that the reference application of other projects is facilitated, and the three-dimensional design result, photo, video and file data lookup is supported;
the professional standardized file management function realizes the classified management of professional standardized files, supports uploading, quoting and downloading of the professional standardized files according to the authority, and can be associated with the operation of designing an input scene;
the system configuration management function realizes the functions of organization management, user authority management, coordinate system conversion, data dictionary and database configuration.
6. The urban medium voltage power grid planning and design platform based on the three-dimensional real scene as claimed in claim 1, wherein: the platform database includes: three-dimensional model data, engineering information data, attribute data, unmanned aerial vehicle collected data docking and geographic information data;
the three-dimensional model data is used for supporting the derivation of three-dimensional design model achievements by taking engineering projects as units, and the three-dimensional model mainly comprises: a three-dimensional tower model, an insulator string model and other power grid models;
the engineering information data comprises basic information of engineering projects, engineering general profiles, project names, voltage levels, start-up time, completion time, loop information, meteorological conditions, topographic conditions, geological conditions, ground wire models, design units, construction units and supervision unit project basic information;
the attribute data is used for supporting the management and export work of various data attribute information of the engineering project, and the attribute data information comprises the following components: the system comprises an engineering line information table, a tower detail table, a cross spanning statistical table, a three-dimensional tower attribute information table, a hardware fitting insulator attribute information table, an insulator string attribute information table and a ground wire model table;
the unmanned aerial vehicle data acquisition butt joint is used for acquiring high-resolution data in an appointed range by unmanned aerial vehicle equipment and air route planning software, and loading the high-resolution data into a three-dimensional platform through cutting;
the geographic information data comprises basic image data, DEM data, road network data, power grid thematic data, various topographic maps and geological map data, and a related data format is derived according to an engineering requirement format.
7. The platform of claim 1, wherein the platform further comprises:
the method has the advantages that the regional plot management function is realized, and the graph and attribute information of each plot are managed on the basis of the existing three-dimensional city model; supporting external introduction of the plots, plot shape editing, plot style editing and plot attribute expansion editing by plots in the areas; the plot in the supply area supports the management and statistics of attributes such as the property of the plot, the number of users in the plot, the current load, the current situation, the planning volume rate and the like; the saturated load prediction function is realized, the current load, the current situation and the planned volume rate of the land block in the supply area are counted according to the detailed control rule, and the saturated load in the supply area is accurately predicted; according to the saturated load prediction result, the spatial reference of the three-dimensional live-action city is combined to realize auxiliary planning and investment estimation of the medium-voltage power grid; according to the saturated load prediction result, the paths, the number of the medium-voltage lines, the distribution capacity and the number of the distribution transformer needed in the auxiliary decision supply area are realized; the method comprises the following steps of combining spatial reference of a three-dimensional live-action city, considering horizontal safety distance, cross spanning and geographic environment restriction among ground objects, and realizing auxiliary decision making on the trend of a medium-voltage line path and a power distribution position; according to the existing investment estimation formula, the project scale and investment estimation of the planned path is realized; the method realizes the three-dimensional display and query of the current situation and the planned medium-voltage power grid; the existing electric network achievement annual display, the flight browsing and the detail amplification browsing of the support path are realized; and the attribute query of the power grid path and the attribute query of the single power grid device are realized.
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