CN112163397A - Intelligent design system for complex wire harness wiring process - Google Patents
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Abstract
The invention discloses an intelligent design system for a complex wiring harness wiring process, which comprises a data management module, a data preprocessing module, a drawing data analysis module and a process plate design module, wherein a wire sheet and a circuit schematic diagram are preprocessed through the data preprocessing module, then the circuit schematic diagram is subjected to graphic analysis and semantic analysis through the drawing data analysis module, finally, the wiring harness structure of the circuit schematic diagram is automatically extracted through the process plate design module, wiring harness wiring configuration design and adjustment are carried out, and finally, a complex wiring harness process plate meeting the actual process requirement is generated. The wiring harness process plate generated by the invention can be directly provided for operators to finish wiring work, the efficiency is improved, the wiring accuracy of the wiring harness with the complex configuration can be ensured, a large amount of manpower and material technical cost is saved for research and development units and production enterprises of airplanes, ships and warships and the like, and the wiring harness process plate has a huge market application prospect.
Description
Technical Field
The invention relates to a wiring process design system, in particular to an intelligent design system for a complex wire harness wiring process, and belongs to the technical field of wire harness wiring of large-scale equipment.
Background
Wire harnesses are indispensable important components of many products, equipment and equipment, such as airplanes, ships, automobiles, railcars and the like. The wiring harness generally undergoes three main stages from design to finish: principle design, process design and product production. Completing the circuit principle design of the wiring harness through a principle design stage and generating a wire meter; drawing a tooling plate for process production according to a circuit schematic diagram and an electric wire table in a process design stage; and finally, finishing wiring harness wiring according to the tool layout in the production stage of the product.
The wiring process of the wiring harness is generally: after printing the paper frock version tiling on wiring workstation, or with electron frock version projection on wiring platform, the two-dimensional overall arrangement that frock version shows to be used for making the pencil, by operating personnel need clearly see every node in the frock version and the cable information that corresponds, strictly according to the technology overall arrangement of frock version wiring one by one to the cable. Therefore, the tooling plate directly determines the efficiency and accuracy of the wiring.
The process design is in the middle link from the design to the finished product of the wire harness, so that the effect of starting and stopping is achieved. However, there is no professional complex wire harness tooling plate design system, and a technician still needs to use general drawing tools such as Auto CAD to additionally draw tooling plates according to a circuit schematic diagram and a wire meter of a wire harness, as shown in fig. 2. The circuit schematic diagram only represents the circuit connection relation of the wiring harness schematically, the difference from the actual wiring harness layout configuration is large, the drawing of the tooling plate mainly depends on the experience of technicians, and a large amount of modification and adjustment are needed. For large-scale equipment such as airplanes and ships, due to the fact that the number of wire harnesses is large, the wiring process is complex, the wiring configuration is complex and the randomness is high, a tool plate is drawn manually, and for technicians, a series of problems that configuration design and size precision control are difficult, design strength is high, efficiency is low, errors are prone to occurring exist.
Therefore, an intelligent process design system is urgently needed, the process design of the complex wire harness can be automatically completed, principle design data are directly converted into a tooling plate which can be used as a production and wiring basis, manual design is omitted, the efficiency is improved, and the accuracy is ensured.
Disclosure of Invention
In order to solve the problems that the process design of the complex wire harness in the prior art needs to be completed manually by technicians, the control of the configuration design and the dimensional precision of the wire harness is difficult, the design strength is high, the efficiency is low, the error is easy and the like, the intelligent design system for the wiring process of the complex wire harness is provided, the process design of the complex wire harness can be automatically completed, a wire harness tooling plate is automatically generated through the processing and analysis of principle design data, the wiring work is directly provided for operators to complete the wiring work, the efficiency is improved, the wiring accuracy of the complex configuration wire harness can be ensured, a large amount of manpower and material technical cost can be saved for research and development units and production enterprises of airplanes, ships and the like, and the intelligent design.
The purpose of the invention is realized by the following technical scheme:
a complex wire harness routing process intelligent design system comprises:
a data management module: the data management module is used for newly building projects and storing and updating data in each project, and the data management module is in data intercommunication with the data and processing module, the drawing data analysis module and the process plate design module;
a data preprocessing module: preprocessing the wire table data, and configuring the heterogeneous data into preset standard format data; carrying out graphic preprocessing on the circuit schematic diagram, and removing contents irrelevant to wiring harness layout; the preprocessed data is convenient for the design and use of the subsequent process plate;
the drawing data analysis module: carrying out graphic analysis and semantic analysis on the graphics and characters in the circuit schematic diagram processed by the data preprocessing module, analyzing information such as wiring harness nodes and tracks connecting the nodes in the circuit schematic diagram according to the analysis result, and further extracting segmented paths of all wiring harnesses from the circuit schematic diagram;
a process plate design module: automatically analyzing the segmented path of the wire harness according to the analysis result of the drawing data analysis module, and extracting a main trunk and branches of the wire harness, and branch trunks and low-order branches of all branches; and then, automatically arranging the wire harness, and compactly adjusting the wire harness arrangement result according to the size requirement of the plate to generate a complex wire harness process plate which meets the actual process requirement.
Further, the data preprocessing module comprises:
the electric wire table data preprocessing module is used for unifying the electric wire table document attributes and carrying out ETL configuration on the contents of each electric wire table;
the schematic diagram data preprocessing module is used for unifying the circuit schematic diagram formats into a preset format document; and removing interference items, and unifying drawing colors and graph colors of the circuit schematic diagram.
Further, the drawing data analysis module includes:
a graph analysis module: extracting graphic information in the schematic diagram, recombining and classifying each graphic element according to the wiring harness layout characteristics, analyzing the graphic elements into wiring harness characteristic data, and binding the wiring harness characteristic data with table and/or character information at the position corresponding to each wiring harness characteristic;
a semantic analysis module: extracting table and/or character information bound at the corresponding position of each wire harness characteristic, performing semantic analysis, and combining the table and/or character information into information data with a logical relation, wherein the information data is used for representing wire harness information related to each wire harness characteristic data;
a path extraction module: and analyzing all the wire harness segmented path information in the circuit schematic diagram according to the graph analysis result and the semantic analysis result.
Further, the process plate design module comprises:
the wire harness structure extraction module: traversing each node and a segmented path in the circuit schematic diagram based on the analysis result of the drawing data analysis module and by combining the corresponding data in the preprocessed wire list, and determining a trunk of the wiring harness process layout; further determining each wiring harness branch connected with each node of the main trunk; repeating the above process for each branch, and determining the trunk and branch structure of each step of the circuit schematic diagram;
an automatic layout module: according to the wiring harness structure extraction result of the circuit schematic diagram extracted by the wiring harness structure extraction module, carrying out wiring harness wiring configuration design to generate a primary chart;
a compact layout module: and adjusting the distance of the primary plate generated by the automatic layout module according to the size requirement of the plate, and finally generating the complex wire harness process plate which meets the actual process requirement.
Further, the automatic layout module comprises a wire harness routing configuration design process: firstly, placing a wiring harness trunk, and horizontally arranging the wiring harness trunk at the center of a plate; then, the branches of each order are sequentially arranged according to the principle of 'from far to near and from low order to high order', namely, the branch at the farthest end of the trunk is found, the branch at the last order of the branch is confirmed, the node at the farthest end of the branch at the last order is locked, and then the process layout is carried out step by step.
Furthermore, the intelligent design system for the complex wiring harness wiring process further comprises a display module for displaying the current working content of each module.
The invention has the following beneficial effects:
1. the wire harnesses are designed according to the principle of technicians to provide wire meters, which are files which are not in a uniform format and are automatically arranged by the technicians according to a circuit schematic diagram. Because the wire harness configuration of a whole set of large-scale equipment is very complex, a plurality of technicians can share principle design work, the formats of the provided electric wire meters are different, and the data of the electric wire meters of the wire harnesses are dispersed and difficult to arrange. According to the invention, through the electric wire table data processing module, ETL configuration is carried out on electric wire tables with different formats, and distributed heterogeneous data are loaded to the data management module after being cleaned and integrated for subsequent process plate design.
2. The drawing data analysis module carries out graphic analysis and semantic analysis on design data contained in the circuit schematic diagram, and analyzes information such as nodes and tracks connecting the nodes in the circuit schematic diagram according to analysis results, so that segmented paths of all wire harnesses are extracted from the circuit schematic diagram.
3. The process layout design module automatically analyzes the segmented path of the wiring harness according to the analysis result of the drawing data analysis module, and extracts a trunk and branches of the wiring harness and branch trunks and low-order branches of all the branches; and then, automatically arranging the wire harness, and compactly adjusting the wire harness arrangement result according to the size requirement of the plate. The adjusted process plate can be directly provided for operators to carry out wiring harness wiring.
Drawings
FIG. 1 is a schematic diagram of a complex wiring harness wiring process intelligent design system according to the present invention;
FIG. 2 is a schematic diagram of a circuit generated during the harness principle design phase;
FIG. 3 is a schematic diagram of a circuit after processing by the schematic diagram data preprocessing module;
fig. 4 is a schematic diagram of the working process of the process layout design module, wherein (a) is the processing result of the harness structure extraction module, (b) is the primary layout generated by the automatic layout module, and (c) is the process layout generated by the compact layout module.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the embodiment as follows:
as shown in fig. 1, an intelligent design system for a complex wire harness routing process includes:
a data management module: the data management module is used for newly building projects and storing and updating data in each project, and the data management module is in data intercommunication with the data and processing module, the drawing data analysis module and the process plate design module;
a data preprocessing module: preprocessing the wire table data, and configuring the heterogeneous data into preset standard format data; carrying out graphic preprocessing on the circuit schematic diagram, and removing contents irrelevant to wiring harness layout; the preprocessed data is convenient for the design and use of the subsequent process plate;
wherein, the data preprocessing module includes:
1. the wire table data preprocessing module is used for:
1) unifying the electric wire table document attributes, and unifying all electric wire table documents into excel documents;
2) ETL configuration of each wire table content: and setting classification items to be configured, cleaning the electric wire tables of all data sources according to the set classification items, converting the electric wire tables into uniform standard format files, and integrally storing all the converted standard format files.
2. A schematic data preprocessing module to:
1) converting the format of the circuit schematic diagram, and unifying the circuit schematic diagram into a preset standard format document;
2) removing interference items, and deleting information which is irrelevant to the wiring harness layout, such as an indexing sequence list, a title bar, comments and the like in the circuit schematic diagram;
3) the drawing color and the graphic color of the circuit schematic diagram are unified, and the circuit schematic diagram after pretreatment is shown in FIG. 3.
The drawing data analysis module: carrying out graphic analysis and semantic analysis on the graphics and characters in the circuit schematic diagram processed by the data preprocessing module, analyzing information such as wiring harness nodes and tracks connecting the nodes in the circuit schematic diagram according to the analysis result, and further extracting segmented paths of all wiring harnesses from the circuit schematic diagram;
wherein, the drawing data analysis module includes:
1. a graph analysis module: and extracting graphic information in the schematic diagram, recombining and classifying the graphic elements according to the wiring harness layout characteristics, and analyzing the graphic elements into wiring harness characteristic data. Specifically, extracting graphs such as points, circles, lines and the like in the schematic diagram, re-classifying or combining the graph elements into corresponding wire harness characteristic data such as nodes, end points, line segments and the like according to the wire harness layout characteristics, and binding the wire harness characteristic data with tables and/or character information at positions corresponding to the wire harness characteristics;
2. a semantic analysis module: and extracting the table and/or character information bound at the corresponding position of each wire harness characteristic, performing semantic analysis, and combining the table and/or character information into information data with a logical relationship for representing the wire harness information related to each wire harness characteristic data. For example: analyzing characters in a table bound at a certain 'line segment' position to form a 'line segment information table, a length, an electric wire number, an equipment model' and the like;
3. a path extraction module: and analyzing all the wire harness segmented path information in the circuit schematic diagram according to the graph analysis result and the semantic analysis result.
A process plate design module: automatically analyzing the segmented path of the wire harness according to the analysis result of the drawing data analysis module, and extracting a main trunk and branches of the wire harness, and branch trunks and low-order branches of all branches; and then, automatically arranging the wire harness, and compactly adjusting the wire harness arrangement result according to the size requirement of the plate.
Wherein, the process plate design module comprises:
1. the wire harness structure extraction module: traversing each node and a segmented path in a circuit schematic diagram based on an analysis result of a drawing data analysis module and combined with corresponding data in a preprocessed wire table, and determining a trunk of the wiring harness process layout according to a preset trunk extraction principle; further determining each wiring harness branch connected with each node of the main trunk; repeating the steps for each branch to determine a branch trunk and a low-order branch; extracting step by step, determining trunk and branch structures of each step of the circuit schematic diagram, and completing the extraction of the wiring harness structure, as shown in (a) in fig. 4;
2. an automatic layout module: according to the extraction result of the wire harness structure of the circuit schematic diagram by the wire harness structure extraction module, the wire harness wiring configuration design is carried out, and a primary chart is generated, as shown in (b) in fig. 4.
Further, the wire harness routing configuration design process comprises the following steps: firstly, placing a wiring harness trunk, and horizontally arranging the wiring harness trunk at the center of a plate; then, the branches of each order are sequentially arranged according to the principle of 'from far to near and from low order to high order', namely, the branch at the farthest end of the trunk is found, the branch at the last order of the branch is confirmed, the node at the farthest end of the branch at the last order is locked, and then the process layout is carried out step by step.
3. A compact layout module: and (c) adjusting the distance of the primary plate generated by the automatic layout module according to the plate size requirement, and finally generating a complex wire harness process plate which meets the actual process requirement, as shown in fig. 4.
And the display module is used for displaying the current working content and the important working nodes of the modules.
The display content of the display module mainly comprises:
1. the project name of the data management module and the electric wire table and/or the circuit schematic diagram in the project;
2. the configuration content of an electric wire table ETL of the data preprocessing module;
3. a circuit schematic diagram after the drawing data analysis module analyzes;
4. and the design plate is generated by each submodule in the process plate design module.
Example 1
The invention provides an intelligent design system for a complex wire harness wiring process, which comprises a data management module, a data preprocessing module, a drawing data analysis module and a process plate design module.
Firstly, a new project is created through a data management module, and then relevant data, including a wire table, a circuit schematic diagram, a process file and the like, is loaded into the new project. The data of each item in the data management module can be communicated with each other, and the data in the data management module can be updated and reset.
Secondly, before the design of the tooling plate, the wire table and the circuit schematic diagram of the project need to be preprocessed through a data preprocessing module:
1. the wire meter data preprocessing module is used for preprocessing the wire meter data:
1) the wire list is a document provided by a designer at the design stage of the wire harness principle, and the attribute and the format of the document are not uniformly specified, so that the document with various attributes, such as format attributes of ". doc",. xls ", and the like, needs to be uniformly converted into an excel document with a". xls "attribute;
2) after the attributes of the wire tables are unified, the file recording formats of the wire tables are different, for example, the first row in some wire tables is a title, some table heads occupy two rows, some cable numbers are recorded in the 3 rd column, and some cable numbers are recorded in the 5 th column. The file recording formats are different, and the information in the electric wire table cannot be accurately read by the subsequent functional modules. Therefore, it is necessary to configure the electric wire meters with different formats in the ETL.
The electric wire table ETL configuration items comprise: harness number, wire length, equipment number, etc.;
the ETL cleaning rule items of the electric wire meter comprise: ETL name, data page number, starting row number, starting column number, ending column number, etc.;
and after ETL cleaning, converting the electric wire tables with different formats into files with a uniform standard format, and integrally storing all the converted files with the standard format.
2. The schematic diagram data preprocessing module preprocesses the circuit schematic diagram:
1) the circuit schematic diagrams are mostly drawn by adopting two-dimensional drawing software, and in order to unify the attributes, all the circuit schematic diagrams are firstly unified into auto cad files with attributes in the format of ". dwg".
2) Because the standard engineering drawing often contains contents such as a frame, a right-side indexing sequence table, a title bar and the like, the contents have no direct relation with the wiring harness layout and can interfere with the work of a drawing data analysis module, and therefore, the contents such as the frame, the indexing sequence table, the title bar, comments and the like in a circuit schematic diagram need to be removed;
3) the colors of the graphs drawn by the engineering drawing software are different, so that the graphs in the circuit schematic diagram can be unified in color, and information can be conveniently extracted.
Thirdly, although the circuit schematic diagram is preprocessed, the preprocessed circuit schematic diagram is still an electronic drawing, and the process layout design module cannot directly acquire the wiring harness node and path information from the electronic drawing, so that the graph analysis module and the semantic analysis module are required to perform graph analysis and semantic analysis on the graph, the text and the table content in the circuit schematic diagram, and information such as each node of the wiring harness and the track connecting each node is analyzed in the circuit schematic diagram according to the analysis result, so that the segmented paths of all the wiring harnesses are extracted from the circuit schematic diagram.
1. The method comprises the steps of carrying out graph analysis on each graph in a circuit schematic diagram through a graph analysis module, extracting graph elements in the schematic diagram, recombining and classifying the graph elements according to wiring harness layout characteristics, analyzing the graph elements into wiring harness characteristic data, and binding the wiring harness characteristics in the schematic diagram with table and/or character information at corresponding positions;
2. semantic analysis is carried out on the positions or table information bound by the wire harness characteristic data through a semantic analysis module, the table and/or character information bound at the positions corresponding to the wire harness characteristics is extracted, semantic analysis is carried out, and the information data are combined into information data with logical relation and used for representing the wire harness information related to the wire harness characteristic data
3. And the path extraction module analyzes all the wire harness segmented path information in the circuit schematic diagram according to the result of the graph analysis and the semantic analysis.
The sectional path information of all wire harnesses in the circuit schematic diagram is obtained through a drawing data analysis module, wire harness characteristic information is bound to each node and line segment of each sectional path, the sectional path and the wire harness characteristic information of the wire harness of the process drawing design module are combined with corresponding data in a wire table, the sectional path of the wire harness can be automatically analyzed, and a main wire harness, branches, and branch main branches and low-order branches of each branch are extracted; and then, automatically arranging the wire harness, and compactly adjusting the wire harness arrangement result according to the size requirement of the plate to generate a complex wire harness process plate which meets the actual process requirement.
1. The wire harness structure extraction module: traversing each node and a segmented path in a circuit schematic diagram based on an analysis result of a drawing data analysis module and combined with corresponding data in a preprocessed wire table, and determining a trunk of the wiring harness process layout according to a preset trunk extraction principle; further determining each wiring harness branch connected with each node of the main trunk; repeating the steps for each branch to determine a branch trunk and a low-order branch; extracting step by step, determining trunk and branch structures of each step of the circuit schematic diagram, and completing the extraction of the wiring harness structure, as shown in (a) in fig. 4;
2. an automatic layout module: according to the extraction result of the wire harness structure of the circuit schematic diagram by the wire harness structure extraction module, the wire harness wiring configuration design is carried out, and a primary chart is generated, as shown in (b) in fig. 4.
Further, the wire harness routing configuration design process comprises the following steps: firstly, placing a wiring harness trunk, and horizontally arranging the wiring harness trunk at the center of a plate; then, the branches of each order are sequentially arranged according to the principle of 'from far to near and from low order to high order', namely, the branch at the farthest end of the trunk is found, the branch at the last order of the branch is confirmed, the node at the farthest end of the branch at the last order is locked, and then the process layout is carried out step by step.
3. A compact layout module: and (c) adjusting the distance of the primary plate generated by the automatic layout module according to the plate size requirement, and finally generating a complex wire harness process plate which meets the actual process requirement, as shown in fig. 4.
Example 2
The invention provides an intelligent design system for a complex wire harness wiring process, which comprises a data management module, a data preprocessing module, a drawing data analysis module, a process plate design module and a display module.
The display module is used for displaying the current working content and the important working nodes of the modules.
The display content of the display module mainly comprises:
1. the project name of the data management module and the electric wire table and/or the circuit schematic diagram in the project;
2. the configuration content of an electric wire table ETL of the data preprocessing module;
3. a circuit schematic diagram after the drawing data analysis module analyzes;
4. and the design plate is generated by each submodule in the process plate design module.
Claims (6)
1. The utility model provides a complicated pencil wiring technology intelligence design system which characterized in that includes:
a data management module: the data management module is used for newly building projects and storing and updating data in each project, and the data management module is in data intercommunication with the data and processing module, the drawing data analysis module and the process plate design module;
a data preprocessing module: preprocessing the wire table data, and configuring the heterogeneous data into preset standard format data; carrying out graphic preprocessing on the circuit schematic diagram, and removing contents irrelevant to wiring harness layout; the preprocessed data is convenient for the design and use of the subsequent process plate;
the drawing data analysis module: carrying out graphic analysis and semantic analysis on the graphics and characters in the circuit schematic diagram processed by the data preprocessing module, analyzing information such as wiring harness nodes and tracks connecting the nodes in the circuit schematic diagram according to the analysis result, and further extracting segmented paths of all wiring harnesses from the circuit schematic diagram;
a process plate design module: automatically analyzing the segmented path of the wire harness according to the analysis result of the drawing data analysis module, and extracting a main trunk and branches of the wire harness, and branch trunks and low-order branches of all branches; and then, automatically arranging the wire harness, and compactly adjusting the wire harness arrangement result according to the size requirement of the plate to generate a complex wire harness process plate which meets the actual process requirement.
2. The intelligent design system for a complex wire harness routing process of claim 1, wherein the data preprocessing module comprises:
the electric wire table data preprocessing module is used for unifying the electric wire table document attributes and carrying out ETL configuration on the contents of each electric wire table;
the schematic diagram data preprocessing module is used for unifying the circuit schematic diagram formats into a preset format document; and removing interference items, and unifying drawing colors and graph colors of the circuit schematic diagram.
3. The intelligent design system for the complex wire harness routing process according to claim 1, wherein the drawing data parsing module comprises:
a graph analysis module: extracting graphic information in the schematic diagram, recombining and classifying each graphic element according to the wiring harness layout characteristics, analyzing the graphic elements into wiring harness characteristic data, and binding the wiring harness characteristic data with table and/or character information at the position corresponding to each wiring harness characteristic;
a semantic analysis module: extracting table and/or character information bound at the corresponding position of each wire harness characteristic, performing semantic analysis, and combining the table and/or character information into information data with a logical relation, wherein the information data is used for representing wire harness information related to each wire harness characteristic data;
a path extraction module: and analyzing all the wire harness segmented path information in the circuit schematic diagram according to the graph analysis result and the semantic analysis result.
4. The intelligent design system for the complex wire harness routing process of claim 1, wherein the process layout design module comprises:
the wire harness structure extraction module: traversing each node and a segmented path in the circuit schematic diagram based on the analysis result of the drawing data analysis module and by combining the corresponding data in the preprocessed wire list, and determining a trunk of the wiring harness process layout; further determining each wiring harness branch connected with each node of the main trunk; repeating the above process for each branch, and determining the trunk and branch structure of each step of the circuit schematic diagram;
an automatic layout module: according to the wiring harness structure extraction result of the circuit schematic diagram extracted by the wiring harness structure extraction module, carrying out wiring harness wiring configuration design to generate a primary chart;
a compact layout module: and adjusting the distance of the primary plate generated by the automatic layout module according to the size requirement of the plate, and finally generating the complex wire harness process plate which meets the actual process requirement.
5. The intelligent design system for complex wire harness routing process according to claim 4, wherein the wire harness routing configuration design process of the automatic layout module is as follows: firstly, placing a wiring harness trunk, and horizontally arranging the wiring harness trunk at the center of a plate; then, the branches of each order are sequentially arranged according to the principle of 'from far to near and from low order to high order', namely, the branch at the farthest end of the trunk is found, the branch at the last order of the branch is confirmed, the node at the farthest end of the branch at the last order is locked, and then the process layout is carried out step by step.
6. The intelligent design system for the complex wire harness routing process according to claim 1, further comprising a display module for displaying the current working content of each module.
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| CN113386685A (en) * | 2021-07-30 | 2021-09-14 | 东风商用车有限公司 | Vehicle frame wire harness modular design method, device, system and storage medium |
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| CN113386685B (en) * | 2021-07-30 | 2022-12-06 | 东风商用车有限公司 | Vehicle frame wire harness modular design method, device, system and storage medium |
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| CN112163397B (en) | 2024-05-24 |
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