35 results about "One-line diagram" patented technology

The invention discloses a chemical single line diagram material identification method, device and equipment and a storage medium, and the method comprises the steps: building a corresponding relation model of a serial number and a line spacing proportion value in a chemical single line diagram material table, and detecting a to-be-identified table according to the corresponding relation model; when it is detected that the serial numbers of the serial number columns of the to-be-recognized table are continuous and the line spacing is within a preset proportion range, corresponding multi-line information is merged; according to the method, the table auxiliary line of the to-be-recognized table is obtained, AI recognition is performed on the to-be-recognized table according to the table auxiliary line, and the recognition result is obtained, so that various material information in the chemical single line diagram can be accurately recognized, and compared with a traditional method, manual intervention is reduced, and the workload and error risk of manual processing are reduced; the method provides more efficient and accurate support for material information management in the chemical engineering design and construction process, has important practical application value and wide market prospect, and improves the speed and efficiency of chemical single line diagram material identification.

The invention discloses a defect hidden danger data diagnosis method based on a distribution network SVG single line diagram. The method comprises the steps that basic analysis is conducted on the input SVG single line diagram, basic geometric figure elements are extracted and normalized, a topological connection relation is preprocessed, and a multi-level index structure is constructed; a dynamic topology path reasoning mechanism is constructed, and reasoning and self-adaptive optimization of the topological relation of the electrical equipment are realized through path consistency calculation, topological entropy minimization and a dynamic topology updating strategy; a self-adaptive implicit relational knowledge graph is constructed, and semantic association between the electrical equipment is established through explicit topological relation fusion, implicit function dependence reasoning and dynamic semantic embedding optimization; and constructing a multi-modal time sequence feature vector, calculating the hidden danger risk of the equipment by adopting a space-time defect probability estimation model, and giving an alarm through a dynamic risk early warning strategy to realize prediction and early warning of the hidden danger of the defects of the electrical equipment. According to the method, the problems of semantic understanding, topological reasoning, state inference and defect prediction of the SVG single line diagram are effectively solved.

The application discloses a table information extraction method, device and equipment of a PDF format pipeline single-line diagram document and a medium, relates to the pipeline engineering field, and comprises the following steps: converting a PDF format pipeline single-line diagram document with an arbitrary layout into a target pipeline single-line diagram in an image format, cutting out region of interest images corresponding to a material table, a design parameter table and a project table from the target pipeline single-line diagram according to a template matching algorithm; removing irrelevant content, drawing auxiliary lines and extracting table information from the region of interest image corresponding to the material table to obtain material table data; identifying text blocks from the region of interest images corresponding to the design parameter table and the project table, determining the row and column attribution relationship and the entity mapping relationship between the semantic entities based on the semantic entities, semantic categories and position information of the text blocks, integrating the semantic entities to obtain design table data / project table data; and standardizing non-standardized table headers in the extracted table data and converting the non-standardized table headers into an excel table file.

The disclosed parameterized steel bar modeling method for fitting the surface reinforcement of the draft tube comprises the following steps: realizing three-dimensional modeling of the draft tube according to the single-line diagram section data and setting control parameters, and then creating the circumferential and longitudinal steel bars of the draft tube based on the obtained model. By introducing the parameterization technology, the shape of the draft tube is adjusted by using the outer expansion section parameters, the positioning points are divided along the outer expansion ridge line and mapped to the interpolation profile, the circumferential steel bars are generated by anchoring and overlapping after cutting according to the start and end sections of the elbow pipe, and the longitudinal steel bars are generated by positioning and connecting according to the maximum circumference and increasing the anchoring section. The technical problem of self-adaptive fitting arrangement of the steel bars on the surface of the complex draft tube is solved, the rapid generation and modification of the steel bar model are realized, the design efficiency is significantly improved, the geometric accuracy of the model is ensured, and a reliable foundation is provided for subsequent drawing, material statistics and design changes.

The application discloses a method and related device for automatically filling setting parameters of distribution network switches, wherein the method comprises the following steps: according to the interface specification of a plurality of operation systems of the distribution network, performing specification processing on the interface of a distribution network setting calculation system; acquiring a GIS file of a feeder and a debugging library file of a distribution network automation terminal device; selecting primary equipment parameter information through the GIS file to perform first pre-filling on the parameters of each primary electrical switch in a single-line diagram; selecting secondary equipment parameter information through the debugging library file to perform second pre-filling on the parameters of each primary electrical switch; and further, in response to an adjustment instruction input by a user, adjusting the related parameters of the corresponding primary electrical switch according to the adjustment instruction. Thus, the technical problem of large workload and low efficiency in the prior art is solved.

The application discloses a kind of distribution network single-line diagram model checking comprehensive display method and tool, the method includes: step S1: opening single-line diagram and carrying out display in visual way;Step S2: show diagram module checking result, according to the checking result list fed back by diagram module checking background service, according to semantic checking, data integrity checking, diagram module consistency checking, topological connectivity checking, non-examination equipment list classification display;Step S3: checking result auxiliary data repair.The application provides a kind of visual method and tool to intuitively show diagram module checking result, can be positioned to the specific object in single-line diagram by result reverse, to avoid consuming a lot of manpower according to problem list to analyze and investigate problem, realizes the efficient and accurate problem single-line diagram repair.

The invention discloses a method and a system for quickly forming a grid layout of a single line diagram of a power grid, and relates to the technical field of drawing of a power system.According to the method and the system, the number of rows and columns of grids is determined by analyzing a target graph, a dynamic adjustable grid frame is constructed, cells are filled with electrical equipment graphic elements, and intervals and connecting line placeholders are reserved; and automatically calculating primitive positions and connecting line paths based on the grid topology, generating a canvas according to the number of rows and columns, and completing drawing. According to the method, complex drawing is simplified into grid filling operation, rapid and standardized generation of the single line diagram is achieved, the problems that manual drawing is low in efficiency, the tool threshold is high, and automatic tool data dependence is high are effectively solved, and the method has the advantages of being reasonable in layout, automatic in line connection and wide in applicability.

The invention discloses a power grid topological data construction method and system, and relates to the technical field of topological data processing, and the method comprises the steps: obtaining power grid equipment data through completion data or unmanned aerial vehicle surveying and mapping, and employing a high-precision positioning or target detection technology by an unmanned aerial vehicle; based on the data, adopting a structured table, a visual interface, a single line diagram or an equivalent circuit mode to construct a preliminary topology; topologies are constructed according to power transmission, power transformation, power distribution and power utilization professions, wherein the power transformation profession is expressed synchronously from SCADA through a white box or is expressed in a simplified mode through a black box; and all professional topologies are integrated to generate a whole-network topological graph, and a geographic trend graph is reversely generated to improve the performance. The system comprises a data acquisition module, a topology processing module, a professional construction module and an integration output module. The method conforms to habits of all professionals, topological data entry is simplified, and maintenance efficiency and accuracy are improved.

This application relates to a method, system, and medium for simplifying distribution network topology and automatically generating single-line diagrams. The method includes parsing the CIM model file of the distribution network lines; generating simplified equipment information; determining the distribution network topology and the connection relationships between equipment; determining the main lines; locating the transformers connected to each connection node on the main lines, determining branch lines, and merging the branch lines; simplifying the equipment within the switching stations, ring main units, prefabricated substations, and distribution stations to generate simplified connection relationships; calculating line segment information, including circuit breakers / load switches on the main lines, segment capacity, and branch capacity, so that dispatchers can quickly understand the operating status of the distribution network; and drawing a single-line diagram of the distribution network based on the simplified equipment information and connection relationships. This application automatically generates simplified single-line diagrams of distribution network lines, laying the foundation for intelligent management of distribution networks, rapid fault location, efficient access to new energy sources, and optimized operation.

The present application provides a kind of process single-line diagram weld AI identification method, medium and system, belong to weld identification technical field, the present application is by to process pipeline single-line diagram PDF file starting vector channel and raster channel Double-channel analysis and generate global coordinate mapping table, the double-channel result is sent into curvature perception weld detection model output candidate frame and obtains page level weld candidate frame set by non-maximum suppression, executes ant colony pheromone diffusion path tracking algorithm based on pipeline skeleton diagram to determine weld order sequence, executes different numbering strategy according to adaptive numbering confidence comprehensive score value and generates weld information table, executes perspective correction after sending in character recognition module after executing the certificate image of construction personnel to fill the result into weld information table, to field variation trigger approval process and synchronize data to welding management platform, solve the problem that process pipeline single-line diagram weld cannot be accurately identified under complex topological pipeline structure.

The invention discloses an automatic calculation method for constant value accounting of a power supply and distribution system based on deep learning. The method comprises the following steps: establishing an equipment database; in combination with historical operation and maintenance data and electrical parameters, constructing a deep neural network model to learn and predict protection constant value calculation of the power supply and distribution equipment; according to the power grid topological structure and the equipment parameters, a deep learning short-circuit current calculation model is constructed and trained; inputting equipment parameters into the short-circuit current calculation model, automatically calculating a constant value of the equipment, and outputting a setting calculation book according to a setting calculation principle in combination with power grid operation conditions and a short-circuit current calculation result; outputting a constant value matching graph by combining a calculation result of the deep neural network model with a constant value parameter of a setting calculation book; generating a short-circuit current calculation book and a setting calculation book report according to the results of the automatic constant value accounting and the protection cooperation calculation; and a single line diagram, a short circuit impedance diagram and a constant value matching diagram interface are realized through a configuration interface, and related calculation results are displayed in corresponding diagrams.

This invention discloses a method, apparatus, and storage medium for generating a fault inspection strategy for a distribution network. The method includes: acquiring single-line diagram data, geographical location data, and initial state data of multiple hardware devices in the distribution network when the distribution network is in a fault condition; determining the initial topology of the distribution network based on the single-line diagram data and geographical location data; inputting the initial topology and initial state data into a target topology model of the distribution network for analysis to obtain multiple areas and devices to be inspected; inspecting the areas and devices based on the target inspection resource information, target inspection constraints, and target inspection function of the distribution network to obtain inspection results; and generating a fault inspection strategy for the distribution network based on the inspection results. This invention solves the technical problem of low efficiency in fault inspection of distribution networks.

The application discloses a chemical single-line diagram pipe support information extraction method, which first analyzes the layout of the chemical single-line diagram, generates and screens target candidate regions based on multiple source prior characteristics such as text hot areas, lead wire endpoints and graphic element densities; long straight line background suppression is performed in the candidate regions to weaken pipeline interference, and a multi-scale feature pyramid network is combined to perform high-precision detection of small symbols; subsequently, candidate triplets of associated symbols, characters and line items are constructed; a multi-modal large model is introduced to perform deep semantic judgment, OCR error correction and attribute completion on the triplets, and output support objects with comprehensive confidence; finally, the chemical field rule library and knowledge graph are used for verification, and a self-adaptive fallback mechanism is triggered when the verification fails or the confidence is insufficient. The whole-process closed loop from knowledge recognition to cognitive understanding to expert verification is realized, and the integrity and accuracy of the pipe support information extraction are significantly improved.

The invention discloses a WFS-based power distribution network geographic data synchronization method and system, and the method comprises the steps: carrying out the initialization processing of the power distribution network geographic data in a process that a power distribution network automatic system deploys a power distribution network map module, and obtaining the equipment graphic element name information from a power distribution network single line diagram file, associating the primitive name information with all power distribution network object geographic data stored in a relation model library, and then synchronizing to a geographic database; after the distribution network map module is deployed and operates normally, establishing a change monitoring mechanism for the distribution network object model data; when the change of the object data of the power distribution network in the relation model library is monitored, extracting change information corresponding to the change data, and writing the change information into the geographic database through WFS service to complete the synchronous updating of the geographic data of the power distribution network; according to the invention, multi-system integration difficulty can be reduced, and efficient operation of a power distribution network automation system is facilitated.

The invention discloses a fractal coding and uniform layout distribution network single line diagram automatic mapping method and system, and the method comprises the steps: obtaining the basic information of a power distribution network, and carrying out the fractal coding of equipment on a power distribution line based on a fractal similarity principle; key node information is extracted, and a new number of each key node is calculated by adopting a uniform layout algorithm according to the fractal codes; and according to the new number of each key node, constructing an independent power supply path layer for each key node by adopting a path connection method and taking a feeder switch as a starting point, and superposing all the layers to form a distribution network single line diagram. According to the method, rapid reconstruction and automatic mapping of the distribution network topology structure are carried out by adopting a fractal similarity principle and a small text data volume, a distribution network single line diagram which is uniform in layout and clear and easy to read can be automatically generated, meanwhile, the function of rapid updating of equipment new input and transaction is achieved, the method is simple and convenient, the workload of field graph maintenance personnel is effectively reduced, and the efficiency is improved. And the graph reality consistency of the generated distribution network single line diagram is ensured.

The invention provides a single line diagram generation method and device based on a logical topological structure, equipment and a medium, and belongs to the technical field of single line diagram generation. Determining each electrical device included in the target logic topological structure, a subordination relationship among the electrical devices and a connection relationship among the electrical devices; determining the number of layers of a to-be-generated single line diagram based on the subordination relationship between the electrical devices; determining a device function type corresponding to each electrical device; determining connection attributes among the electrical devices based on the connection relations among the electrical devices and the respective corresponding device function types; determining a primitive corresponding to each electrical device; and generating a single line diagram corresponding to the target logic topological structure based on the primitives corresponding to the electrical devices, the number of layers of the to-be-generated single line diagram and the connection attributes between the electrical devices. According to the invention, the generation from the logical topological structure to the single line diagram can be realized.

A method and a system for generation of a Continuous Function Chart (CFC). The method includes receiving a Single Line Diagram (SLD) associated with one or more substations. The SLD includes a plurality of topology equipments. Further, the method includes identifying a category associated with each topology equipment of the plurality of topology equipments, in the SLD. Furthermore, the method includes determining a set of operational rules corresponding to the identified category of each topology equipment. Moreover, the method includes generating the CFC corresponding to each topology equipment based on the determined set of operational rules.

The application discloses a kind of power single-line diagram equipment marking method and device, belong to marking field, and the present application is by obtaining work ticket text data and power single-line diagram file, utilize the work ticket analysis model constructed based on historical work ticket data and preset power equipment hierarchical subordinate rule, work ticket text data is converted into the hierarchical path object containing power equipment entity and its hierarchical subordinate relationship.Subsequently, power single-line diagram file is parsed, and the drawing data model containing electrical equipment node, equipment interconnection and equipment space geometric information is constructed.Then, based on hierarchical path object, hierarchical constraint graph traversal is executed to drawing data model, and candidate equipment set is screened out, and target equipment is determined by spatial proximity check.Finally, according to work ticket text data, target equipment is marked, and the present application effectively solves the problem that power system cannot be accurately and efficiently marked in prior art.

The application relates to the technical field of distribution network relay protection, in particular to a relay protection core fixed value management method based on a distribution network GIS system, which can solve the problem that the process of operation personnel sequentially searching for the relay protection fixed value of corresponding switches in the system is relatively complicated. The method comprises the following steps: obtaining relay protection core fixed values of a distribution network line; obtaining primary values of current fixed values corresponding to each component of the distribution network line, wherein the primary values of the current fixed values of each component are obtained by converting secondary values based on relay protection core current fixed values of the distribution network line; drawing a GIS single-line sketch of the distribution network line, wherein the GIS single-line sketch of the distribution network line is obtained based on a GIS single-line diagram of the distribution network line; and marking the primary values of the current fixed values corresponding to each component of the distribution network line into the GIS single-line sketch of the distribution network line to form a distribution network relay protection fixed value matching diagram.

The invention discloses an intelligent single line diagram normalization verification system and method based on machine learning. The system comprises an input layer, a core processing layer, an intelligent evaluation layer and an output layer. The input layer is used for inputting or importing a single line diagram drawing file; the core processing layer is used for carrying out identification, feature extraction and storage on the imported single line drawing; the intelligent evaluation layer is used for carrying out multi-dimension scoring on a single line drawing; and the output layer is used for outputting a corresponding single line diagram normative verification report according to the evaluation result. By constructing the hybrid learning model based on the deep convolutional network and the graph neural network, the limitation of a traditional rule engine is broken through, intelligent evaluation and automatic graph formation optimization suggestion of the single line graph quality are realized, and the system can realize intelligent evaluation of the single line graph quality according to a power specification model standard. The normalization of the single line diagram network frame topology is verified by combining an AI algorithm, a verification result is output, a drawing unit is assisted to optimize the drawing quality of the single line diagram, and the practical level is greatly improved.

The present invention relates to the field of power system automation, and provides a transient stability evaluation method and system for an electrical system of a nuclear power plant. The method comprises: constructing an alternating-current power supply system model of the nuclear power plant on the basis of a single-line diagram of the electrical system of the nuclear power plant; acquiring operating conditions of the electrical system of the nuclear power plant, and on the basis of the operating conditions, setting corresponding load conditions and system parameters; simulating the operating conditions of the power plant using the alternating-current power supply system model of the nuclear power plant, and recording an electrical quantity in a power supply switching simulation process under each operating condition; and performing transient stability evaluation on the electrical system of the nuclear power plant on the basis of the electrical quantity. By setting three quantitative criteria, a power supply switching situation of the nuclear power plant is intuitively predicted, thereby improving reliability. The present invention comprehensively considers the impact of a system on motors and the influence on a setting value of a circuit breaker during power supply switching, thereby improving the accuracy and practicality of an evaluation result. Designers and maintenance personnel can determine the feasibility of system voltage switching in advance and discover potential risks as early as possible.

The invention provides a cross-platform power distribution design method, a medium and a product, and the method comprises the steps: employing a programming method to automatically configure a corresponding component combination for each power utilization load in a power utilization load list in a table according to a preset component configuration table, automatically forming a primary component configuration table containing all components required to be configured by the electrical load loop; automatically drawing the primary component configuration table into a drawing software interface by adopting a programming method, and automatically matching an electrical load loop corresponding to each row in the primary component configuration table with an electrical single line diagram in the drawing software at the same time; and drawing an electrical primary wiring diagram containing the information of all the electrical loads and the configuration information of the electrical load loop. According to the method, the technical problem that in the electrical primary power distribution design process of a large project, drawing of the electrical primary wiring diagram needs a lot of time is solved, after the method is adopted, the work can be completed within several minutes, and the efficiency is greatly improved.

The invention discloses a power distribution network no-load line current anomaly analysis method and device, which are used for solving the technical problems that scheduling risks are increased and safe and reliable operation of a power distribution network is affected due to inconsistent single line graphs of a power distribution network line. The method comprises the following steps: acquiring distribution network line information, distribution network line current data, distribution network line distribution transformer basic information, distribution network line high-voltage motor basic information, distribution network line basic information, distribution network line transfer power supply data and distribution network line master station listing information; determining a no-load line according to the distribution network line distribution transformer basic information, and generating distribution network no-load line ledger data in combination with the distribution network line basic information; according to the distribution network no-load line ledger data, the distribution network line current data, the distribution network line high-voltage motor basic information, the distribution network line transfer power supply data and the distribution network line master station listing information, determining a current abnormity reason of the no-load line; and generating a no-load line current abnormity list according to the distribution network line information, the distribution network line current data and the current abnormity reason and outputting the no-load line current abnormity list.

The invention relates to an intelligent bidirectional conversion method and device for an electrical single line diagram and a looped network diagram, computer equipment, a storage medium and a computer program product. The method comprises the steps of obtaining a to-be-converted power network structure diagram of a power distribution network; the power network structure diagram is used for representing a single-line diagram or a looped network diagram of the power distribution network; analyzing the power network structure diagram through the trained power network structure diagram conversion model to obtain analysis information of the power network structure diagram, and extracting topological structure information of power equipment in the power distribution network from the analysis information of the power network structure diagram; performing conversion processing on the topological structure information to obtain converted topological structure information; and generating a conversion result corresponding to the power network structure chart based on the analysis information of the power network structure chart and the converted topological structure information. By adopting the method, the conversion accuracy between the single line diagram and the looped network diagram can be improved.

The embodiment of the application discloses a single line graph extraction method, wherein, the low-voltage primary main wiring diagram is converted into a binary graph; a first corrosion and then expansion processing is performed on the binary graph to obtain a second graph; the horizontal lines and the vertical lines are extracted from the second graph respectively to obtain a third graph containing only the horizontal lines and a fourth graph containing the horizontal lines and the vertical lines; an outer contour extraction operation is performed in the fourth graph to obtain a first outer contour set; in the first outer contour set, a first outer contour satisfying a first preset condition is determined; the third graph is cut by the first outer contour to obtain a fifth graph; an outer contour extraction operation is performed in the fifth graph to obtain a second outer contour set; in the second outer contour set, a first group of outer contours satisfying a second preset condition is determined; and based on the two outer contours corresponding to the maximum longitudinal spacing, a single line graph in the low-voltage primary main wiring diagram is extracted.

Disclosed is a method (300) and a system (100) for generation of a Continuous Function Chart (CFC). The method (300) includes receiving a Single Line Diagram (SLD) associated with one or more substations (160a, 160b, 160n). The SLD comprises a plurality of topology equipments. Further, the method (300) includes identifying a category associated with each topology equipment of the plurality of topology equipments, in the SLD. Furthermore, the method (300) includes determining a set of operational rules corresponding to the identified category of each topology equipment. Moreover, the method (300) includes generating the CFC corresponding to the each topology equipment based on the determined set of operational rules.

The invention relates to the crossing field of special equipment safety and computer graphics technology, and discloses a special inspection industry-oriented pressure pipeline single line diagram iteration backtracking decomposition method, which is a method capable of efficiently converting topological structure data of a pressure pipeline into a linear data sequence meeting a specific graphics engine rendering requirement. Comprising the steps that after undirected topological graph data is input, all nodes in the undirected topological graph data are traversed, and all the nodes with the degree equal to 1 are added into a queue named as a starting point set; a node is taken out from the starting point set queue to serve as a starting point of a chain, the starting point serves as a starting end, and a new chain is initialized and output; starting from the starting point of the current new chain obtained through initialization, selecting a neighbor node which is not accessed, adding the neighbor node to the tail of the new chain, and setting the neighbor node as a new current node; and if the new current node degree is 2, directly returning to the previous step, and continuously expanding the chain along the unique path direction.

The invention provides a power distribution single line diagram rendering method and device and electronic equipment, and relates to the technical field of single line diagram rendering. The method comprises the following steps: acquiring a power distribution single line diagram, wherein the power distribution single line diagram comprises a plurality of primitives; a plane space where the power distribution single line diagram is located is segmented, a target tree structure is obtained, the target tree structure comprises leaf nodes used for storing attribute information of corresponding primitives, and the attribute information of the multiple primitives is distributed and stored in different leaf nodes; according to a preset node traversal sequence, sequentially traversing attribute information of corresponding primitives in a plurality of leaf nodes in the target tree structure; and rendering the power distribution single line diagram according to the sequentially traversed attribute information of each primitive. The data structure of the target tree structure is more independent, that is, the attribute information of the multiple primitives is stored relatively independently, when part of information changes, only the primitives in the corresponding leaf nodes are recombined, and the rendering efficiency of the power distribution single line diagram is improved.

1. The name of the design product: power station monitoring and management graphical user interface of electronic equipment. 2. The use of the design product: an electronic device. 3. The design points of the design product: the interface content of the graphical user interface in the electronic equipment. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: the graphical user interface is used to monitor and manage the operation of power station equipment, view real-time data, telemetry information, topology, etc. Information of power station equipment. 7. The human-computer interaction mode of the graphical user interface: the design 1 front view is a single-line diagram interface for power station monitoring, which displays the single-line diagram of the monitored power station equipment, and the single-line diagram displays the real-time state of the power station equipment, the operation information and data of each unit module, etc. Information. The interaction functions of design 2 and design 3 are the same as design 1, so they are omitted.

This invention provides a panel design apparatus, panel design method, and program for efficiently designing high-quality control panels. [Solution] The panel design device comprises: an information management unit that stores data for an existing panel installed in a building, including a deployment diagram, an assembly diagram, an outline drawing, a floor plan and elevation drawing of the building portion where the panel is installed, and structural specifications based on the outline drawing; a learning processing unit that trains a learning model on the relationship between the data for the single-line diagram of the existing panel and the data for the deployment diagram, the relationship between the data for the floor plan and elevation drawing of the existing panel and the data for the structural specifications, and the relationship between the data for the deployment diagram and structural specifications and the data for the assembly diagram, outline drawing, floor plan and elevation drawing; and a drawing processing unit that uses the learning model to generate data for the assembly diagram and outline drawing of the new panel, as well as data for the floor plan and elevation drawing of the building portion where the panel is installed, from the data for the single-line diagram of the new panel and the data for the floor plan and elevation drawing of the building portion where the panel is installed, which are provided from an external source.