CN116776811A - Automatic generation method, system and equipment for PCB (printed Circuit Board) diagram of complex electrical design - Google Patents
Automatic generation method, system and equipment for PCB (printed Circuit Board) diagram of complex electrical design Download PDFInfo
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- 238000010586 diagram Methods 0.000 title claims abstract description 119
- 238000013461 design Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000003754 machining Methods 0.000 claims abstract description 70
- 238000011161 development Methods 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 claims description 27
- 238000003475 lamination Methods 0.000 claims description 20
- 230000006870 function Effects 0.000 claims description 9
- 230000008707 rearrangement Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 6
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- 238000007689 inspection Methods 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/392—Floor-planning or layout, e.g. partitioning or placement
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/398—Design verification or optimisation, e.g. using design rule check [DRC], layout versus schematics [LVS] or finite element methods [FEM]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2115/00—Details relating to the type of the circuit
- G06F2115/12—Printed circuit boards [PCB] or multi-chip modules [MCM]
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Abstract
The invention discloses an automatic generation method, system and equipment of a complex electrical design PCB board diagram, wherein the method comprises two parts of schematic diagram generation, assembly diagram generation and machining diagram generation; the schematic diagram generation includes: extracting key information in schematic diagram design, and automatically filling the key information into a diagram frame; directly generating a unified standard schematic diagram based on a standard format of a filling template, and automatically checking bit number information to generate BOM product details; the assembly drawing and machining drawing generation comprises the following steps: and carrying out standardized frame design by utilizing the design content of the PCB board diagram, and automatically converting and outputting a design file under a standard DXF format by utilizing a development and formation system to construct an assembly diagram and automatically generating a machining diagram. The invention improves the standardization degree and the design efficiency of the PCB board diagram design and reduces the design error rate.
Description
Technical Field
The invention relates to the technical field of PCB design, in particular to an automatic generation method, system and equipment for a PCB diagram of a complex electrical design.
Background
At present, in the design process of a PCB board diagram under complex electrical design, the PCB board diagram design is mainly carried out by Cadence software, and board-level assembly diagrams, machining diagrams, surface mount data and EDA design diagrams are carried out by Cadence, so that the automation degree is low, the manual text operation workload is large, and the error rate is high. Therefore, each element required in the design package needs to be analyzed, corresponding rules are defined, automatic generation and inspection in the electrical design process are realized by using the rules, standardized and automatic inspection rules are provided, the association between source data and destination data is constructed, and the design accuracy and the design efficiency are improved.
The invention patent CN110781639B discloses a method for labeling coordinates in PCB design, which is characterized in that the coordinates of the starting point, the coordinates of the ending point and the shape information of all the line segments are recorded by acquiring all the line segments of the frame of the PCB, and the maximum value and the minimum value of the coordinates are determined, so that the automatic labeling of the coordinates is realized, but the invention does not realize the automatic generation of information elements such as the frame of an assembly drawing in the drawing of the PCB. The invention patent CN110175414B discloses a part placement method and tool in the design of a PCB, comprising the steps of importing a schematic diagram, acquiring all parts in the schematic diagram, creating an array for each page of the schematic diagram, sequentially placing the parts into the array, setting placement rules and the like, wherein the invention only builds the placement of positions aiming at the schematic diagram, and does not realize the capabilities of automatic drawing frame generation, continuous verification of position numbers and the like of the schematic diagram. The invention patent CN111859846B discloses a negative film comparison method of a PCB, wherein negative films of different versions are imported, the negative films are scanned according to a device coding list, a drilling name list and a line segment name list of the negative films, and difference comparison of information such as coding, coordinates and the like of the devices is carried out.
Disclosure of Invention
In view of the above, the present invention provides a method, a system and a device for automatically generating a PCB board diagram of a complex electrical design, so as to solve the above technical problems.
The invention discloses an automatic generation method of a complex electrical design PCB board diagram, which comprises two parts of schematic diagram generation, assembly diagram generation and machining diagram generation;
the schematic diagram generation includes:
extracting key information in schematic diagram design, and automatically filling the key information into a diagram frame; the key information comprises a module name, stage information and product number information;
directly generating a unified standard schematic diagram based on a standard format of a filling template, and automatically checking bit number information to generate BOM product details;
the assembly drawing and machining drawing generation comprises the following steps:
carrying out standardized frame design by utilizing design content of a PCB board diagram, and automatically converting and producing a design file under a standard DXF format by utilizing a development forming system to construct an assembly diagram and automatically generating a machining diagram; the design content comprises special icons, technical conditions, size standards, lamination and drilling information.
Further, the automatic generation of the assembly drawing includes:
the PCB design file is obtained by performing signal reverse marking on the principle engineering file;
selecting an assembly picture frame according to the PCB design file, and filling the content in the assembly picture frame;
filling special icons and technical conditions in the assembly drawing frame, and outputting a DXF file;
and realizing special icon editing, dimension marking and drawing modification through AutoCAD.
Further, the automatic generation of the machining map includes:
the PCB design file is obtained by performing signal reverse marking on the principle engineering file;
selecting a machining picture frame according to the PCB design file, and filling the content in the assembly picture frame;
filling special icons and technical conditions in the assembly frame, adding lamination information and a drilling table, and outputting a DXF file;
and realizing special icon editing, dimension marking and drawing modification through AutoCAD.
The invention also discloses an automatic generation system of the PCB board diagram of the complex electrical design, which comprises the following components:
the schematic diagram frame automatic adding and filling module, the automatic generation list module, the position number continuous checking module and the schematic diagram output file module; the system comprises an assembly drawing machining drawing frame filling module, a technical condition automatic filling module, a graphic annotation automatic generating module, a lamination and drilling information automatic adding module and an assembly drawing machining drawing output file module;
the automatic adding and filling module of the schematic diagram frame is used for automatically adding a standardized frame in the schematic diagram page and filling related contents in the standardized frame; wherein, the related content comprises a module name, a product number and a page number;
the automatic generation list module is used for generating product details by utilizing a function of generating product details if a non-assembled device component is required to be provided with a mark if the position number of the PCB is adjusted after the schematic diagram is designed; the product detail comprises a file list, a component list and a device detail; the component list comprises a printed board, a screw and a nut;
the bit number continuous checking module is used for arranging the bit numbers of the components in the PCB, and realizing rearrangement of the bit numbers according to the PCB layout through a 'Rename refDes' interface of Allegro; rearranging the number according to the attribute through development, and updating the schematic diagram through a reverse mark function after modifying the number so that the schematic diagram is consistent with the PCB;
the schematic diagram output file module is used for outputting schematic diagram engineering into a standard document format meeting the standardized requirement for production, generating a standard file through secondary development, outputting all schematic diagram pages, supporting the output of a hierarchical circuit, and enabling the margin to meet the standard requirement;
the assembly drawing machining drawing frame filling module is used for adding drawing frames in the assembly drawing machining drawing, adding or modifying the drawing frames in an Allegro environment, and filling corresponding contents of the drawing frames; constructing an assembly drawing frame tool, and adding the assembly drawing frame into the design;
the technical condition automatic filling module is used for adding technical condition description in the assembly drawing and the machining drawing and finally outputting the technical condition description to the assembly drawing or the machining drawing;
the automatic graph annotation generating module is used for marking key information in the assembly graph, finishing drawing of a machining graph according to the key information, and adding functional menu drawing annotation in the AutoCAD after the machining graph is transferred to the AutoCAD;
the automatic stacking and drilling information adding module is used for extracting stacking information of the PCB file in the machining diagram and adding the stacking information into the PCB design;
the assembly drawing machining diagram output file module is used for outputting the assembly drawing in the DXF format and the file of the machining diagram so as to be checked and edited in AutoCAD.
Further, the schematic diagram frame automatic adding and filling module is further used for clicking and placing component icons in a Concept HDL interface, popping up a Component Browser interface, and selecting frames of corresponding pictures under a standard branch to be added into the design.
Further, the assembly drawing machining drawing frame filling module is specifically used for:
adding a standardized picture frame in an assembly drawing machining drawing, adding or modifying the picture frame in an Allegro environment, and filling corresponding content of the picture frame; constructing an assembly drawing frame tool, clicking an adding drawing frame, displaying a menu, clicking a corresponding drawing, and adding a standardized assembly drawing frame into a design; if the PCB already has an assembled frame, the original assembled frame is replaced by a newly selected frame after the corresponding frame of 'add frame' is selected.
Further, the technical condition automatic filling module is specifically configured to:
and adding technical condition descriptions in the assembly drawing and the machining drawing, comparing and fixing the content of the analyzed technical items, managing the analyzed technical items in the form of items, selecting the items to be added from an item library when in use, performing editing operation on the selected items, adding the selected items to corresponding positions of PCB engineering after editing, and finally outputting the selected items to the assembly drawing or the machining drawing.
Further, the automatic graphic annotation generation module is specifically configured to:
marking the length and width dimensions in the assembly drawing, marking the mounting holes, carrying out Outline thickening, automatically identifying the length and width standard information in the PCB, and carrying out automatic thickening; after a system tool module of a machining graph is added, a parameter is set to be "Static Shape" after a command is started, shape is selected, a shadow area is drawn in a target area, after drawing is completed, the machining graph is transferred to AutoCAD, and a function menu is added in the AutoCAD for marking the three-proofing paint area.
Further, the automatic stacking and drilling information adding module is specifically configured to:
extracting lamination information of the PCB file in the machining diagram, adding the lamination information into the PCB design in a chart form, and adding the lamination information into the PCB model file according to the selected position; the drilling information of the PCB file needs to be extracted and added to the PCB design in the form of a chart, and the drilling table information is automatically selected by program processing and added to the set PCB model file.
The invention also discloses a computer device, which comprises: a processor and a memory for storing executable instructions of the processor; wherein the processor is configured to execute the executable instructions to implement the method described above.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. according to the invention, design information such as a schematic diagram, an assembly diagram, a machining diagram and the like is researched, design elements of the PCB board diagram are extracted and generalized, a generation method of a PCB mass electrical interconnection design diagram is defined, a data model is built by utilizing a digital means, and a software system and equipment for forming standardized automatic generation and diagram conversion of a PCB design file are developed. The invention can effectively improve the accuracy of drawing, reduce human error, reduce design reworking and improve the production efficiency of PCB board drawings.
2. The invention improves the standardization degree and automation degree of the PCB board diagram design, changes the traditional way of manually filling and checking design information such as PCB board diagram frames, position numbers, lamination, drilling, product numbers and the like, reduces the manual checking time, saves the design cost and improves the design efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the embodiments of the present invention, and other drawings may be obtained according to these drawings for those skilled in the art.
Fig. 1 is a schematic flow chart of an automatic generation method of a PCB board diagram of a complex electrical design according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a frame filling tool input according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a frame filling effect according to an embodiment of the present invention;
FIG. 4 is a detail table output interface according to an embodiment of the present invention;
FIG. 5 is a rearrangement number interface according to an embodiment of the present invention;
FIG. 6 is a schematic diagram showing a rearrangement display effect according to an embodiment of the present invention;
FIG. 7 is an assembly drawing auto-generation frame tool interface in accordance with an embodiment of the present invention;
FIG. 8 is a schematic illustration of an assembly drawing filling in content according to an embodiment of the present invention;
FIG. 9 is a schematic diagram showing the effect of filling out frames in an assembly drawing according to an embodiment of the present invention;
FIG. 10 is a diagram of an automated generation frame tool interface for a machined diagram in accordance with an embodiment of the present invention;
FIG. 11 is a technical condition selection interface according to an embodiment of the present invention;
FIG. 12 is an E-PAD annotation and add drilling information interface in accordance with an embodiment of the present invention;
FIG. 13 is an output tool interface according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is apparent that the examples described are only some, but not all, of the examples of the present invention. All other embodiments obtained by those skilled in the art are intended to fall within the scope of the embodiments of the present invention.
Referring to fig. 1, the invention provides an embodiment of an automatic generation method of a complex electrical design PCB board diagram, which is automatically generated around the complex electrical PCB board diagram and is specifically divided into two parts of schematic diagram generation, assembly diagram generation and machining diagram generation.
For schematic diagram generation, key information in schematic diagram design can be extracted and automatically filled into a frame, wherein the key information comprises module names, stage information, product number information and the like, then a unified standard schematic diagram is directly generated based on a standard format of a filling template, and bit number information is automatically checked to produce BOM product details so as to reduce later design errors and realize forward design checking.
For generating the assembly drawing and the machining drawing, the design contents such as special drawing symbols, technical conditions, size standards, lamination, drilling information and the like of the PCB drawing design are utilized to carry out standardized drawing frame design, a development and formation system is utilized to automatically convert and output design files in a standard DXF format, the automatic generation of the assembly drawing and the machining drawing is constructed, and the design accuracy in the forward design process is improved.
Referring to fig. 1, the automatic generation of an assembly drawing includes:
the PCB design file is obtained by performing signal reverse marking on the principle engineering file;
selecting an assembly picture frame according to the PCB design file, and filling the content in the assembly picture frame;
filling special icons and technical conditions in the assembly drawing frame, and automatically outputting a standard DXF file;
and realizing special icon editing, dimension marking and drawing modification through AutoCAD.
Referring to fig. 1, the automatic generation of a machining map includes:
the PCB design file is obtained by performing signal reverse marking on the principle engineering file;
selecting a machining picture frame according to the PCB design file, and filling the content in the assembly picture frame;
filling special icons and technical conditions in the assembly frame, adding lamination information and a drilling table, and automatically outputting a standard DXF file;
the invention provides an embodiment of an automatic generation system of a complex electrical design PCB board diagram, wherein for schematic diagram generation, the system specifically comprises the following steps: the schematic diagram frame automatic adding and filling module, the automatic generation list module, the position number continuous checking module and the output file module; for assembly drawing and machining drawing generation, the method specifically comprises the following steps: the system comprises an assembly drawing machining drawing frame filling module, a technical condition automatic filling module, a graphic annotation automatic generating module, a lamination and drilling information automatic adding module and an output file module.
The automatic adding and filling module of the schematic diagram frame automatically adds a standardized frame in the schematic diagram page, and fills the contents such as the module name, the product number, the page number and the like in the standardized frame. Clicking the icon of the component in the accept HDL interface, popping up the interface of Component Browser, selecting the frame of the corresponding drawing under the branch of standard, and adding the frame to the design. The standardized frames are deployed under the path by default, and standardized frames provided by a developer must be used, otherwise, the frames cannot be automatically filled in, and after the standardized frames are added into the design, the contents of what are "and what are" in total "are automatically filled in.
And after the schematic diagram is designed, if the PCB board position number is adjusted, a reverse mark operation is required to be executed, and if the unassembled device components are required to be provided with marks, a product detail can be generated by utilizing a product detail generation function, wherein the product detail consists of a file list, a component list and device details, and the component list comprises a printed board, a screw and a nut. When the product details are generated, the fact that the number of components required by different designs is different is considered, a space is reserved below the components of the product details, the reserved number is input through a man-machine dialog box, and the finally generated product details are ensured to be used for filing production and manufacturing.
And the device bit number continuous mode needs to support two types, namely continuous according to the device attribute and continuous according to the PCB layout position, the device bit numbers are arranged in the PCB, and the rearrangement of the bit numbers according to the PCB layout can be realized through the 'Rename RefDes' interface of Allegro. The principle diagram is updated through the reverse mark function after the bit number is modified by the development and realization of the rearrangement of the bit numbers according to the attributes, so that the principle diagram is consistent with the PCB.
The schematic diagram output file module is mainly used for outputting schematic diagram engineering into a standard document format meeting the standardized requirement for production, generating a standard file through secondary development, outputting all schematic diagram pages, supporting the output of a hierarchical circuit, and enabling the margin to meet the standard requirement.
And the assembly drawing machining drawing frame filling module is used for adding a standardized drawing frame in the assembly drawing machining drawing, adding or modifying the drawing frame in an Allegro environment and filling corresponding contents of the drawing frame. And constructing an assembly picture frame tool, clicking an adding picture frame, displaying a menu, clicking a corresponding picture, and adding the standardized assembly picture frame into the design. If the PCB already has an assembled frame, the original assembled frame is replaced by a newly selected frame after the corresponding frame of 'add frame' is selected.
The technical condition automatic filling module adds technical condition description in the assembly drawing and the machining drawing, the content of the technical items through analysis is relatively fixed, the technical condition automatic filling module can be managed in the form of items, when in use, the items to be added are selected from an item library, editing operation can be executed on the selected items, the items are added to corresponding positions of PCB engineering after editing is completed, and finally the items are output to the assembly drawing or the machining drawing.
The automatic generating module for graph marking needs to mark length and width dimensions in the assembly drawing, marks mounting holes, and is thickened by outlines, and the original design process is simplified by utilizing automatic marking, the length and width standard information in the PCB is automatically identified, and the thickness is automatically thickened. After a system tool module of the machining graph is added, a parameter is set to be "Static Shape" after a command is started, shape is selected to default to adopt reverse diagonal, a shadow area is drawn in a target area, after drawing is completed, the machining graph is transferred to AutoCAD, and a function menu is added to label the three-proofing paint area drawing label in the AutoCAD.
The automatic stacking and drilling information adding module is used for extracting stacking information of the PCB file in the machining diagram and adding the stacking information into the PCB design in a chart form, and in the process, the program automatically extracts the stacking information and adds the stacking information into the PCB model file according to the selected position; the drilling information of the PCB file needs to be extracted and added to the PCB design in the form of a chart, and the drilling table information is automatically selected by program processing and added to the set PCB model file.
And the assembly drawing machining drawing output file module is used for outputting standard information such as a drawing frame, technical conditions and the like into an assembly drawing and machining drawing file in a DXF format after the standard information such as the drawing frame, the technical conditions and the like is added into the PCB model file so as to be convenient to view and edit in AutoCAD. In order to realize the automation of the graph, the utilization codes are automatically processed and output in equal proportion according to the production and processing requirements.
The present invention also provides an embodiment of a computer device, comprising: a processor and a memory for storing executable instructions of the processor; the processor is configured to execute the executable instructions to implement the method described in the foregoing embodiment.
For ease of understanding, the invention presents a more specific example:
fig. 1 shows a method for automatically generating a complex electrical design PCB board diagram, defines a basic generating method of the invention, and details an example of the invention based on the method.
For automatic adding and filling of the schematic diagram frame, opening software, starting a frame filling tool from a main menu in a Concept HDL interface, popping up a dialog box shown in FIG. 2, filling in information such as a drawing name, a BM number and the like, and clicking a 'filling in frame' button. The selection menu adds standardized frame size, the frame of the corresponding drawing is selected and added to the design, the frame is placed in a standard library by default, and the frame is automatically configured during installation. After the standardized frames are added to the design, the contents of "name", "drawing number", "level", "what number" and "how many" are automatically filled in are shown in fig. 3.
For automatically generating a list, the schematic diagram design is completed, the menu list output is clicked, and an interface shown in fig. 4 is popped up. The module name and BM number are automatically acquired by the system, the reserved line number of the default component is 2, the user can change according to the requirement, and finally the output button is clicked, so that the detail table file in the Excel format is finally generated. When the schematic changes, it must be regenerated to be effective.
Aiming at continuous check of the position numbers, a menu bar selects a submenu 'device position number rearrangement' tool, a 'rearrangement according to layout' tool is selected, and a pop-up interface for rearranging the position numbers according to the row is selected to arrange the direction, the ordering mode and the X/Y tolerance. The ordering scope may be either a full ordering or an ordering specified, such as ordering RC alone, where the device types must be capitalized, separated by spaces, as shown in FIG. 5. After the bit number rearrangement is successful, the ordering condition can be checked in SILKSCREEN _top/burst, as shown in fig. 6.
For assembly drawing machining drawing frame filling, an assembly drawing frame filling tool is started in an Allegro menu bar, a drawing frame information menu page is selected under an assembly drawing frame filling interface, a standardized drawing frame is added into a design, as shown in figure 7, if a PCB (printed Circuit Board) already has the assembly drawing frame, and after a drawing frame corresponding to the added drawing frame is selected, an original drawing frame is replaced by a newly selected drawing frame. Before adding the frames, the proportion can be filled in, a proper frame is selected according to the preview effect of the proportion preview button, and is manually placed at a proper position, or the closing preview button can be clicked to cancel. The information such as the module name, the drawing number and the like is filled in the 'assembly drawing frame' interface, as shown in fig. 8. Clicking the "fill frame" button fills the content into the corresponding position of the frame, as shown in fig. 9. For a machined frame auto-fill application similar to the process of assembling a frame auto-fill, the tool interface is shown in FIG. 10.
The technical conditions are automatically filled out, and the PCB designer adds technical items to the PCB engineering in an Allegro environment for output to an assembly and machining picture frame. And selecting a technical condition label page to be added with technical conditions in an assembly frame filling interface or a machining frame filling interface, and adding corresponding technical conditions. The added item will display the number in the drop-down box of the added item, select the number corresponding to the item, view its content and modify it above, and finally click the "replace" will update the content of the item in the box, or click the "delete" button to delete the item, as shown in fig. 11.
And (3) automatically generating a graphic mark, wherein a PCB designer needs to add marks such as length and size, plate frame thickening, lamination information, a processing list, a drilling table, an E-PAD, a three-defense area, roughness, plate thickness and the like in a machining diagram. Taking the E-PAD label as an example, clicking the button of the "E-PAD label" can automatically select the component package with the heat dissipation PAD named by the "_HS_" character, and adding an independent layer of Board Geometry/Epad_mark_Top/Bottom shadow area below the corresponding PAD, wherein positive twill is adopted by default, as shown in FIG. 12. Clicking the plate thickness P button, pasting the plate thickness P button on a mouse, and enabling a user to customize the placement position and automatically acquire the data filled in before.
For automatic adding of lamination and drilling information, clicking a command button for adding a drilling table P, selecting a proper position for placement, clicking a drilling table button as shown in FIG. 12, automatically adding drilling information, simultaneously, for lamination information, clicking a lamination map P and a processing file list P, the command is pasted on a mouse, selecting a proper position for placement, and placing again to record the last position, and the device can be moved in a group moving mode.
For output files, a file output path is browsed and selected on a file output interface. And automatically storing the last path, if the path does not exist, marking the path with red color, checking the type of the file to be output, clicking a button for generating a processed file or a button for generating a DXF file, outputting the file to the corresponding directory, and clicking a button for opening the directory to quickly locate the current file output path, as shown in fig. 13.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (10)
1. The automatic generation method of the PCB board diagram of the complex electrical design is characterized by comprising two parts of schematic diagram generation, assembly diagram generation and machining diagram generation;
the schematic diagram generation includes:
extracting key information in schematic diagram design, and automatically filling the key information into a diagram frame; the key information comprises a module name, stage information and product number information;
directly generating a unified standard schematic diagram based on a standard format of a filling template, and automatically checking bit number information to generate BOM product details;
the assembly drawing and machining drawing generation comprises the following steps:
carrying out standardized frame design by utilizing design content of a PCB board diagram, and automatically converting and producing a design file under a standard DXF format by utilizing a development forming system to construct an assembly diagram and automatically generating a machining diagram; the design content comprises special icons, technical conditions, size standards, lamination and drilling information.
2. The method of claim 1, wherein the automatic generation of the assembly map comprises:
the PCB design file is obtained by performing signal reverse marking on the principle engineering file;
selecting an assembly picture frame according to the PCB design file, and filling the content in the assembly picture frame;
filling special icons and technical conditions in the assembly drawing frame, and outputting a DXF file;
and realizing special icon editing, dimension marking and drawing modification through AutoCAD.
3. The method of claim 1, wherein the automatic generation of the machining map comprises:
the PCB design file is obtained by performing signal reverse marking on the principle engineering file;
selecting a machining picture frame according to the PCB design file, and filling the content in the assembly picture frame;
filling special icons and technical conditions in the assembly frame, adding lamination information and a drilling table, and outputting a DXF file;
and realizing special icon editing, dimension marking and drawing modification through AutoCAD.
4. An automatic generation system of a complex electrical design PCB board diagram, comprising:
the schematic diagram frame automatic adding and filling module, the automatic generation list module, the position number continuous checking module and the schematic diagram output file module; the system comprises an assembly drawing machining drawing frame filling module, a technical condition automatic filling module, a graphic annotation automatic generating module, a lamination and drilling information automatic adding module and an assembly drawing machining drawing output file module;
the automatic adding and filling module of the schematic diagram frame is used for automatically adding a standardized frame in the schematic diagram page and filling related contents in the standardized frame; wherein, the related content comprises a module name, a product number and a page number;
the automatic generation list module is used for generating product details by utilizing a function of generating product details if a non-assembled device component is required to be provided with a mark if the position number of the PCB is adjusted after the schematic diagram is designed; the product detail comprises a file list, a component list and a device detail; the component list comprises a printed board, a screw and a nut;
the bit number continuous checking module is used for arranging the bit numbers of the components in the PCB, and realizing rearrangement of the bit numbers according to the PCB layout through a 'Rename refDes' interface of Allegro; rearranging the number according to the attribute through development, and updating the schematic diagram through a reverse mark function after modifying the number so that the schematic diagram is consistent with the PCB;
the schematic diagram output file module is used for outputting schematic diagram engineering into a standard document format meeting the standardized requirement for production, generating a standard file through secondary development, outputting all schematic diagram pages, supporting the output of a hierarchical circuit, and enabling the margin to meet the standard requirement;
the assembly drawing machining drawing frame filling module is used for adding drawing frames in the assembly drawing machining drawing, adding or modifying the drawing frames in an Allegro environment, and filling corresponding contents of the drawing frames; constructing an assembly drawing frame tool, and adding the assembly drawing frame into the design;
the technical condition automatic filling module is used for adding technical condition description in the assembly drawing and the machining drawing and finally outputting the technical condition description to the assembly drawing or the machining drawing;
the automatic graph annotation generating module is used for marking key information in the assembly graph, finishing drawing of a machining graph according to the key information, and adding functional menu drawing annotation in the AutoCAD after the machining graph is transferred to the AutoCAD;
the automatic stacking and drilling information adding module is used for extracting stacking information of the PCB file in the machining diagram and adding the stacking information into the PCB design;
the assembly drawing machining diagram output file module is used for outputting the assembly drawing in the DXF format and the file of the machining diagram so as to be checked and edited in AutoCAD.
5. The system of claim 4, wherein the schematic diagram frame automatic adding and filling module is further configured to click on a put component icon in a accept HDL interface, pop up a "Component Browser" interface, and select a frame of a corresponding drawing under a "standard" branch to add to the design.
6. The system of claim 4, wherein the assembly drawing machine frame filling module is specifically configured to:
adding a standardized picture frame in an assembly drawing machining drawing, adding or modifying the picture frame in an Allegro environment, and filling corresponding content of the picture frame; constructing an assembly drawing frame tool, clicking an adding drawing frame, displaying a menu, clicking a corresponding drawing, and adding a standardized assembly drawing frame into a design; if the PCB already has an assembled frame, the original assembled frame is replaced by a newly selected frame after the corresponding frame of 'add frame' is selected.
7. The system according to claim 4, wherein the technical condition automatic filling module is specifically configured to:
and adding technical condition descriptions in the assembly drawing and the machining drawing, comparing and fixing the content of the analyzed technical items, managing the analyzed technical items in the form of items, selecting the items to be added from an item library when in use, performing editing operation on the selected items, adding the selected items to corresponding positions of PCB engineering after editing, and finally outputting the selected items to the assembly drawing or the machining drawing.
8. The system according to claim 4, wherein the graphic annotation automatic generation module is specifically configured to:
marking the length and width dimensions in the assembly drawing, marking the mounting holes, carrying out Outline thickening, automatically identifying the length and width standard information in the PCB, and carrying out automatic thickening; after a system tool module of a machining graph is added, a parameter is set to be "Static Shape" after a command is started, shape is selected, a shadow area is drawn in a target area, after drawing is completed, the machining graph is transferred to AutoCAD, and a function menu is added in the AutoCAD for marking the three-proofing paint area.
9. The system of claim 4, wherein the stack and borehole information automatic adding module is specifically configured to:
extracting lamination information of the PCB file in the machining diagram, adding the lamination information into the PCB design in a chart form, and adding the lamination information into the PCB model file according to the selected position; the drilling information of the PCB file needs to be extracted and added to the PCB design in the form of a chart, and the drilling table information is automatically selected by program processing and added to the set PCB model file.
10. A computer device, comprising: a processor and a memory for storing executable instructions of the processor; wherein the processor is configured to execute the executable instructions to implement the method of any one of claims 1 to 3.
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| CN202310763360.6A CN116776811A (en) | 2023-06-26 | 2023-06-26 | Automatic generation method, system and equipment for PCB (printed Circuit Board) diagram of complex electrical design |
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| CN202310763360.6A CN116776811A (en) | 2023-06-26 | 2023-06-26 | Automatic generation method, system and equipment for PCB (printed Circuit Board) diagram of complex electrical design |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117993041A (en) * | 2024-03-29 | 2024-05-07 | 福莱盈电子股份有限公司 | System and method for automatically generating circuit board process flow diagram |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117993041A (en) * | 2024-03-29 | 2024-05-07 | 福莱盈电子股份有限公司 | System and method for automatically generating circuit board process flow diagram |
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