CN106912162A - A kind of PCB engineering problems are automatically extracted and the method and its system for examining - Google Patents
A kind of PCB engineering problems are automatically extracted and the method and its system for examining Download PDFInfo
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- CN106912162A CN106912162A CN201710035981.7A CN201710035981A CN106912162A CN 106912162 A CN106912162 A CN 106912162A CN 201710035981 A CN201710035981 A CN 201710035981A CN 106912162 A CN106912162 A CN 106912162A
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0005—Apparatus or processes for manufacturing printed circuits for designing circuits by computer
-
- 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]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/18—Manufacturability analysis or optimisation for manufacturability
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
Abstract
The present invention provides the method and its system that a kind of PCB engineering problems are automatically extracted and examined, methods described includes obtaining PCB project files and extracts Gerber files and make supporting paper；The Gerber files are parsed, analysis identification special process obtains engineering parameter, and the special process and engineering parameter are compared with the production rule parameter for pre-setting, and the first prompt message is exported in results abnormity；The making supporting paper is identified, project examination is extracted and the project examination is audited using the industry rule description storehouse for pre-setting, and the second prompt message is exported in results abnormity；Integrate first prompt message and the second prompt message and generate engineering problem inventory, and send the engineering problem inventory automatically.The present invention provide PCB engineering problems automatically extract and checking method, realize to PCB project files automatically extract with examination ＆ verification so that saved PCB inspection time, improve operating efficiency.
Description
Technical field
The present invention relates to printed-board technology field, more particularly to a kind of PCB engineering problems are automatically extracted and examination
Method and its system.
Background technology
With developing rapidly for electronic industry, various electronic products engender, printed circuit board (PCB) is electronic product
In essential critical elements, the quality of its performance largely has influence on the quality of electronic product.PCB is in actual life
Various design problems occur during product so as to cause product defects or cannot produce.Meanwhile, in the actual production of PCB
Cheng Zhong, because the manufacturing process of PCB problem in itself, the circuit on pcb board may be in design, and the design of each manufacture element is
Correctly, advance design function can be realized, but when will manufacture and design for actual product, some of design details
It is possible that deviation, causes finished product not meet design requirement.After the completion of PCB layout designs, generally engineer is completed
PCB project files checked, find out do not meet design requirement mistake and modify.
At present, PCB producers can check whether the project file that client provides has problems of engineering design before manufacture, traditional
It is that inspection personnel is analyzed and visually observes domain to domain by rule of thumb to the method that PCB project files are detected.By people
Work carries out prolonged production rule inspection, judges the feasibility of production, finds the risk that design is present, and reads plate-making specification
Whether Fileview operation item is lacked and contradiction, and engineering problem sectional drawing is marked, and describe the problem with amending advice etc..It is whole
Manage these information main points and complete a complete checking process of PCB project files and take time and effort, engineering can be also omitted sometimes and is asked
Topic, has a strong impact on operating efficiency.To finally check that file is linked up by modes such as Email or network communications, due to ditch
Mistake or the deviation of manufacturing parameter in circuit design can not intuitively be exchanged during logical, there is asking for confusing communication
Topic, exchanges inefficiency, has a strong impact on the final payment of PCB and uses.
The content of the invention
For problem above, patent purpose of the present invention is to devise a kind of PCB engineering problems to automatically extract and examine
Method and its system, realize to PCB project files automatically extract with examination ＆ verification so that saved PCB inspection time, improve work
Make efficiency.
Specific technical scheme of the invention is as follows：
A kind of PCB engineering problems automatically extract the method with examining, including：
Obtain the PCB project files and extract Gerber files and make supporting paper；
The Gerber files are parsed, analysis identification special process obtains engineering parameter, and by the special work
Skill and engineering parameter are compared with the production rule parameter for pre-setting, and the prompting of output first letter in results abnormity
Breath；
The making supporting paper is identified, project examination is extracted using the industry rule description storehouse for pre-setting
And the project examination is audited, and the second prompt message is exported in results abnormity；
Integrate first prompt message and the second prompt message and generate engineering problem inventory, and automatic transmission is described
Engineering problem inventory.
Specifically, of the present invention parse to the Gerber files, analysis identification special process obtains engineering ginseng
Number, further includes：
According to grid initialization with graphic feature analysis identification special process, the special process include special process BGA,
Special process half bore and hole attribute；
Quick DRC detections are carried out to Gerber files to obtain the engineering parameter.
Specifically, of the present invention recognize special process according to grid initialization with graphic feature analysis, further include：
One Gerber file contains up to ten thousand elements, introduces grid initial method and elemental areas are divided into M*N's
Array lattice, calculate each element across grid, so as to be collected into each grid process element；When a given distance
To search for during element near certain element, the region passed through after the element swell can be accurately judged, obtained in these grid
Actual distance is calculated after taking element, special process is determined whether.
Specifically, engineering parameter of the present invention includes minimum feature, minimum line away from, hole copper distance, welding resistance bridge distance.
Specifically, project examination of the present invention includes surface treatment, thickness of slab, hole attribute.
Specifically, the method for the invention also includes：Pre-set production rule parameter and industry rule description storehouse.
A kind of PCB engineering problems automatically extract the system with examination, including：
Receiver module, the PCB project files for receiving user's submission；
Extraction module, for being parsed to the PCB project files and extracted Gerber files and make expository writing
Part；
First auditing module, for being parsed to the Gerber files, analysis identification special process obtains engineering ginseng
Number, and the special process and engineering parameter are compared with the production rule parameter for pre-setting, and in results abnormity
When export the first prompt message；
Second auditing module, for being identified to the making supporting paper, is retouched using the industry rule for pre-setting
Storehouse is stated to extract project examination and audit the project examination, and the prompting of output second letter in results abnormity
Breath；
Communication module, for integrating first prompt message and the second prompt message and generating engineering problem inventory, with
And the engineering problem inventory is sent automatically.
Specifically, engineering parameter of the present invention includes minimum feature, minimum line away from, hole copper distance, welding resistance bridge distance；Institute
Stating project examination includes surface treatment, thickness of slab, hole attribute.
Specifically, the first auditing module of the present invention is specifically included：
Recognition unit, for according to grid initialization and graphic feature analysis identification special process；
First resolution unit, for carrying out quick DRC detections to Gerber files to obtain the engineering parameter；
First identifying unit, for the special process and engineering parameter to be carried out with the production rule parameter for pre-setting
Compare, and the first prompt message is exported in results abnormity.
Specifically, the second auditing module of the present invention is specifically included：
Second resolution unit, for being identified to the making supporting paper, is retouched using the industry rule for pre-setting
State storehouse and extract project examination；
Second identifying unit, for carrying out examination ＆ verification judgement to the project examination, and exports the in results abnormity
Two prompt messages.
The present invention provide PCB engineering problems automatically extract with checking method and its system, by receiving PCB project files
Bag, extracts the Gerber files and making supporting paper in PCB project files, and Gerber files are parsed, and obtains electricity
Road is designed and engineering parameter, and the process capability preset with producer compares analysis, judge design correctness and produce it is feasible
Property, while extracting the project examination made in supporting paper according to industry rule description storehouse, judge whether examination ＆ verification project lacks
With contradiction, engineering problem inventory is included automatically, improve the search efficiency of engineering problem, will be sentenced in line platform by unified
Disconnected result returns to client in the way of a kind of directly perceived and interaction, and client lossless can check Gerber, and Quick-return scheme makes double
Box drain leads to more smoothly, accelerates flow before PCB systems.
Brief description of the drawings
Embodiments of the present invention is further illustrated referring to the drawings, wherein：
Fig. 1 is that PCB engineering problems of the present invention automatically extract flow chart with checking method；
Fig. 2 is that PCB engineering problems of the present invention automatically extract module map with auditing system；
Fig. 3 is that PCB engineering problems of the present invention automatically extract module map with the first auditing module of auditing system；
Fig. 4 is that PCB engineering problems of the present invention automatically extract module map with the second auditing module of auditing system.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
The present invention propose a kind of PCB engineering problems automatically extract with examination ＆ verification method, by receiving PCB project files
Bag, extracts the Gerber files and making supporting paper in PCB project files, and Gerber files are parsed, and obtains electricity
Road is designed and engineering parameter, and the process capability preset with producer compares analysis, judge design correctness and produce it is feasible
Property, while extracting the project examination made in supporting paper according to industry rule description storehouse, judge whether examination ＆ verification project lacks
With contradiction, engineering problem inventory is included automatically, improve the search efficiency of engineering problem, will be sentenced in line platform by unified
Disconnected result returns to client in the way of a kind of directly perceived and interaction, and client lossless can check Gerber files, Quick-return scheme,
Link up both sides more smoothly, accelerate flow before PCB systems.
Fig. 1 is referred to, following steps are specifically included：
Step S101, obtains the PCB project files and extracts Gerber files and make supporting paper.
Specifically, when customer order is inquired the price, submitting to PCB project file compressed packages to be sent to server, server is solved automatically
Pressure file, form judges file, isolates Gerber files and makes supporting paper.Automatic decompression wants institute's message part, reads text
Part content, according to RS274X agreements, Baco agreements, ODB++ agreements, reads expression and determines any Gerber of file
File, is otherwise judged to plate-making supporting paper SPEC by this document.
Step S102, parses to the Gerber files, analysis identification special process, obtains engineering parameter, and will
The special process and engineering parameter are compared with the production rule parameter for pre-setting, and is exported in results abnormity
One prompt message.
Specifically, including：According to grid initialization and graphic feature analysis identification special process, the special process includes
Special process BGA, special process half bore and hole attribute；Quick DRC detections are carried out to Gerber files and is joined with obtaining the engineering
Number.
The Gerber files to isolating are parsed, special with graphic feature analysis identification according to grid initialization
Technique.It is specific as follows：
It is geometric element by Gerber files and Drills drilling document analysis, comprising Pad, Line, Arc, Polygon,
According to filename automatic identification line layer, solder mask, silk-screen layer, the circuit number of plies, size are judged.Due to a file contain it is up to ten thousand
Individual element, for other elements near fast searching element, to judge special process, introduces grid initial method by element
Array lattice of the region segmentation into M*N.Calculate each element across grid, so as to be collected into each grid process unit
Element.When element near certain element is searched for when a given distance, the area passed through after the element swell can be accurately judged
Domain, actual distance is calculated after only need to obtaining element in these grid, determines whether a certain special process.
For example, the identification of the present embodiment special process BGA, BGA has following feature, long to be at least the row of 9 row 9, resistance with wide
The profile spacing range for welding the Pad of windowing is 4mil to 8mil, fast search and identification in particular grid according to this feature,
Other BGA is unable to drilling of the figure containing correspondence position, is strengthened judging to exclude false BGA according to this feature.Obtaining specific
Welding resistance Pad spacing after, if less than the spacing of factory presets, engineering problem prompting, automatic marking this BGA will be automatically generated.
The identification of special process half bore, half bore has following feature, and drilling layer has drilling to be contacted with appearance and size, and line
The Pad that road floor covers the drilling has connection, judges that this hole is plated-through-hole, you can judge the hole position half bore specific panel.When half
The aperture in hole less than factory's manufacturing capacity aperture when, engineering problem prompting, automatic marking this half bore will be automatically generated.
The judgement of hole attribute, routinely designs, and the corresponding Pad of non-plated-through-hole is less than or equal to drilling size, it is also possible to compare Pad
Radius is unilateral have more (orifice ring) 1mil within, and circuit Pad not with any connection, this hole can determine that as non-plated is logical
Hole, remaining is judged to plated-through-hole.
Drilling attribute is judged according to circuit feature, quick DRC detections are carried out, extract minimum feature, minimum line away from, hole copper away from
From engineering parameters such as, welding resistance bridge spacing, the engineering parameter that will be parsed carries out letter automatically with the production rule parameter for pre-setting
Breath is compared, and when the engineering parameter for parsing exceeds ability, is identified automatically in the position having a question；Automatically generate the first prompting letter
Breath, including problem explanation and amending advice.
Each company can set the production rule parameter of factory, such as minimum feature, and minimum line is away from hole copper distance, welding resistance
Bridge distance.And many set rules can be set, the thick rule of sheet tin copper is such as sprayed, change golden plate 1oz copper thickness rule etc., server is according to tool
Body examination ＆ verification value selection Different Rule is audited.
Step S103, is identified to the making supporting paper, is extracted using the industry rule description storehouse for pre-setting
Project examination is simultaneously audited, and the second prompt message is exported in results abnormity to the project examination.
Specifically, making supporting paper using semantics recognition, surface treatment, plate are extracted using preset industry rule base
The project examinations such as thick, drilling attribute, to the Word and Excel file that have control, will choose and the control standard in sorting
Character replace choosing value so as to unified accurate extraction the in the way of text.It is when engineering parameter lacks project or contradiction occurs
System provides the second prompt message automatically.
Using industry rule base matching files content, project examination is extracted.Some regular hole attribute definition files, then
The template matches as derived from design software, capture cutter attribute.Supporting paper is made not only comprising the plate-making explanation in compressed package
File, also comprising Gerber graphic derivation Tiff files, this kind of picture file is unified into text after OCR is converted into Word
Form is parsed.Generally surface treatment, copper is thick, and hole attribute can be extracted from supporting paper is made.
If the examination ＆ verification item missing of necessity or having uniform auditing multiple conflicting values occur, system provides the automatically
Two prompt messages.
Step S104, integrates first prompt message and the second prompt message and generates engineering problem inventory, and from
It is dynamic to send the engineering problem inventory.
Specifically, the system is unified platform, file is with data storage in uniform server.Factory MI engineer from
Webpage opens order, and project examination list is checked online, immediately the Gerber figures of parsing, and SPEC file sets and engineering problem are arranged
Table, checks issue list one by one, when each problem is opened, is automatically positioned the problem source, it is possible to undistorted vector contracting
Put, it is to avoid conventional pictures amplify after distortion problem.Checked by simple engineering problem, after the completion of editor.Click on and send
Link can be dealt into client's mailbox.Client opens link and can check EQ lists.Client checks the mode of EQ as factory
Simple, intuitive, after the scheme of problem is replied one by one, clicks on the operation flow for sending and can completing engineering clarification.
The engineering staff of factory checks project examination list and Gerber figures by webpage Online CA M, checks and confirm mark
Know, problem is illustrated and amending advice, by simple editor and newly-increased operation, the key of EQ network address one is sent to the PCB orders
The outbox of Email, and wait client to reply online.After client gets the mail, webpage, online analyzing are opened in mail
Gerber file dyad graphings；The circuit design and engineering parameter that will be parsed are added to webpage using the instrument
In, identified automatically in wrong circuit design；That problem specification module is checked, the proposed projects of manufacturer is replied, engineering is asked
Topic is clarified.
Correspondence PCB engineering problems of the invention automatically extract the method with examination ＆ verification, and the present invention also provides a kind of PCB engineerings and asks
Topic automatically extracts the system with examination ＆ verification, refers to Fig. 2, including：
Receiver module, the PCB project files for receiving user's submission；
Extraction module, for being parsed to the PCB project files and extracted Gerber files and make expository writing
Part；
First auditing module, for being parsed to the Gerber files, analysis identification special process obtains engineering ginseng
Number, and the special process and engineering parameter are compared with the production rule parameter for pre-setting, and in results abnormity
When export the first prompt message；
Second auditing module, for being identified to the making supporting paper, is retouched using the industry rule for pre-setting
Storehouse is stated to extract project examination and audit the project examination, and the prompting of output second letter in results abnormity
Breath；
Communication module, for integrating first prompt message and the second prompt message and generating engineering problem inventory, with
And the engineering problem inventory is sent automatically.
Specifically, referring to Fig. 3, the first auditing module of the present invention is specifically included：
Recognition unit, for according to grid initialization and graphic feature analysis identification special process；
First resolution unit, for carrying out quick DRC detections to Gerber files to obtain the engineering parameter；
First identifying unit, for the special process and engineering parameter to be carried out with the production rule parameter for pre-setting
Compare, and the first prompt message is exported in results abnormity.
Specifically, referring to Fig. 4, the second auditing module of the present invention is specifically included：
Second resolution unit, for being identified to the making supporting paper, is retouched using the industry rule for pre-setting
State storehouse and extract project examination；
Second identifying unit, for carrying out examination ＆ verification judgement to the project examination, and exports the in results abnormity
Two prompt messages.
The specific embodiment of present invention described above, is not intended to limit the scope of the present invention..Any basis
Various other corresponding change and deformation that technology design of the invention is made, should be included in the guarantor of the claims in the present invention
In the range of shield.
Claims (10)
1. a kind of PCB engineering problems automatically extract the method with examining, it is characterised in that including：
Obtain PCB project files and extract Gerber files and make supporting paper；
The Gerber files are parsed, analysis identification special process, obtain engineering parameter, and by the special process and
Engineering parameter is compared with the production rule parameter for pre-setting, and the first prompt message is exported in results abnormity；
The making supporting paper is identified, project examination and right is extracted using the industry rule description storehouse for pre-setting
The project examination is audited, and the second prompt message is exported in results abnormity；
Integrate first prompt message and the second prompt message and generate engineering problem inventory, and send the engineering automatically
Issue list.
2. PCB engineering problems according to claim 1 automatically extract the method with examining, it is characterised in that described to institute
State Gerber files to be parsed, analysis identification special process obtains engineering parameter, further includes：
According to grid initialization and graphic feature analysis identification special process, the special process includes special process BGA, special
Technique half bore and hole attribute；
Quick DRC detections are carried out to Gerber files to obtain the engineering parameter.
3. PCB engineering problems according to claim 2 automatically extract the method with examining, it is characterised in that the basis
Grid is initialized and recognizes special process with graphic feature analysis, is further included：
One Gerber file contains up to ten thousand elements, introduces the array that elemental areas are divided into grid initial method M*N
Grid, calculate each element across grid, so as to be collected into each grid process element；Searched when a given distance
Rope certain element nearby element when, can accurately judge the region passed through after the element swell, unit is obtained in these grid
Actual distance is calculated after element, special process is determined whether.
4. PCB engineering problems according to claim 1 and 2 automatically extract the method with examining, it is characterised in that the work
Journey parameter includes minimum feature, minimum line away from, hole copper distance, welding resistance bridge distance.
5. PCB engineering problems according to claim 1 automatically extract the method with examining, it is characterised in that the engineering
Examination ＆ verification item includes surface treatment, thickness of slab, hole attribute.
6. PCB engineering problems according to claim 1 automatically extract the method with examining, it is characterised in that methods described
Also include：Pre-set production rule parameter and industry rule description storehouse.
7. a kind of PCB engineering problems automatically extract the system with examination ＆ verification, it is characterised in that including：
Receiver module, the PCB project files for receiving user's submission；
Extraction module, for being parsed to the PCB project files and extracted Gerber files and make supporting paper；
First auditing module, for being parsed to the Gerber files, analysis identification special process obtains engineering parameter,
And the special process and engineering parameter are compared with the production rule parameter for pre-setting, and in results abnormity it is defeated
Go out the first prompt message；
Second auditing module, for being identified to the making supporting paper, using the industry rule description storehouse for pre-setting
Extract project examination and the project examination is audited, and the second prompt message is exported in results abnormity；
Communication module, for integrating first prompt message and the second prompt message and generating engineering problem inventory, and from
It is dynamic to send the engineering problem inventory.
8. PCB engineering problems according to claim 7 automatically extract the system with examination ＆ verification, it is characterised in that the engineering
Parameter includes minimum feature, minimum line away from, hole copper distance, welding resistance bridge distance；The project examination includes surface treatment, plate
Thick, hole attribute.
9. PCB engineering problems according to claim 7 automatically extract the system with examination ＆ verification, it is characterised in that described first
Auditing module is specifically included：
Recognition unit, for according to grid initialization and graphic feature analysis identification special process；
First resolution unit, for carrying out quick DRC detections to Gerber files to obtain the engineering parameter；
First identifying unit, for the special process and engineering parameter to be compared with the production rule parameter for pre-setting
It is right, and the first prompt message is exported in results abnormity.
10. PCB engineering problems according to claim 7 automatically extract the system with examination ＆ verification, it is characterised in that described second
Auditing module is specifically included：
Second resolution unit, for being identified to the making supporting paper, using the industry rule description storehouse for pre-setting
Extract project examination；
Second identifying unit, for carrying out examination ＆ verification judgement to project examination item, and output second is carried in results abnormity
Show information.
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| CN109492329A (en) * | 2018-12-03 | 2019-03-19 | 郑州云海信息技术有限公司 | A kind of design method of back drill setting |
| CN109561598A (en) * | 2018-12-19 | 2019-04-02 | 森大（深圳）技术有限公司 | Print control program, device and storage medium towards pcb board |
| CN110751452A (en) * | 2019-09-18 | 2020-02-04 | 九江明阳电路科技有限公司 | Workflow management system, method and storage medium |
| CN111310403A (en) * | 2018-11-23 | 2020-06-19 | 广州幻视电子科技有限公司 | PCB pad intelligent modification technology |
| CN112782177A (en) * | 2020-12-09 | 2021-05-11 | 广州广合科技股份有限公司 | Automatic data output method of AVI appearance inspection machine |
| CN115758793A (en) * | 2022-12-06 | 2023-03-07 | 惠州市乐亿通科技有限公司 | Method for evaluating manufacturability of PCB (printed Circuit Board) pad based on gerber file |
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| CN111310403A (en) * | 2018-11-23 | 2020-06-19 | 广州幻视电子科技有限公司 | PCB pad intelligent modification technology |
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| CN112782177B (en) * | 2020-12-09 | 2022-10-28 | 广州广合科技股份有限公司 | Automatic data output method of AVI appearance inspection machine |
| CN115758793A (en) * | 2022-12-06 | 2023-03-07 | 惠州市乐亿通科技有限公司 | Method for evaluating manufacturability of PCB (printed Circuit Board) pad based on gerber file |
| CN115758793B (en) * | 2022-12-06 | 2023-10-27 | 惠州市乐亿通科技有限公司 | Method for evaluating manufacturability of PCB (printed circuit board) bonding pad based on gerber file |
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