CN103217431A - Image detection method of SMT screen plate - Google Patents
Image detection method of SMT screen plate Download PDFInfo
- Publication number
- CN103217431A CN103217431A CN2012100158849A CN201210015884A CN103217431A CN 103217431 A CN103217431 A CN 103217431A CN 2012100158849 A CN2012100158849 A CN 2012100158849A CN 201210015884 A CN201210015884 A CN 201210015884A CN 103217431 A CN103217431 A CN 103217431A
- Authority
- CN
- China
- Prior art keywords
- web plate
- image
- opening file
- smt web
- original opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to the technical field of SMT screen plate detection and discloses an image detection method of a SMT screen plate. The image detection method comprises the following steps of importing original opening file data, scanning a SMT screen plate to obtain a SMT screen plate image, storing the SMT screen plate image, selecting at least two original opening file points as mapping points, selecting at least two SMT screen plate image points corresponding to the original opening file as mapping points, carrying out one-to-one mapping of the original opening file and the SMT screen plate image, carrying out matching of the original opening file and the SMT screen plate image according to an image point matching relationship, and detecting holes on the SMT screen plate. The image detection method can replace the existing method that an operator determinates if a screen plate has the extra/missing hole by naked eyes. Therefore, the image detection method reduces the influence produced by personal errors on the detection result, and improves a detection rate and detection accuracy. The image detection method realizes machine detection, avoids instability caused by artificial judgment, and improves detection efficiency.
Description
Technical field
The present invention relates to SMT web plate detection technique field, particularly relate to a kind of image detecting method of SMT web plate.
Background technology
In SMT web plate manufacturing enterprise the manual detection mode is adopted in the detection of hole parameters such as the few hole of product porous substantially at present, for example use the inspection of the overlapping web plate printing opacity of tracing paper.Can check fast for the web plate that hole count is less, if but web plate hole count more (3k-5k even more than the 1W), supervisory personnel's inspection difficulty improves greatly.Usually the web plate professional of 3k-5k needed checked in 3-5 minute, if the web plate perforate is more than 1W then need the detection repeatedly of more time even 2-3 time just can finish.In testing process, testing staff's quality and skill level have determined the height of verification and measurement ratio and detection speed.
In SMT web plate industry, traditional AOI (automated optical detection) equipment also can be used for the few hole of porous and detect, but since the characteristics decision of equipment own use in following problem: the AOI apparatus expensive, being applied in the few hole of web plate porous, to detect cost higher; AOI uses the high-resolution camera as the equipment that obtains image, image contraposition splicing difficulty in being applied to large format product scanning process.Therefore a kind of SMT web plate detection method that effectively substitutes manual detection need be provided, think that with minimizing error to result's influence, can be applied to the significantly detection of product simultaneously.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is to solve operating personnel to judge by naked eyes whether web plate is porous, few hole, reduces the influence of personal error to the result, improves the speed and the accuracy that detect.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of image detecting method of SMT web plate, described method comprises:
Import original opening file data, scanning SMT web plate material object obtains SMT web plate image and storage;
Choose at least two points of original opening file as mapping point, choose SMT web plate image at least two points corresponding as mapping point with described original opening file; Original opening file and SMT web plate image are shone upon one by one;
According to the matching relationship of mapping point, original opening file and SMT web plate image are mated, the hole on the SMT web plate is detected.
Preferred as technique scheme, the mapping point of choosing is: 2 points in the original opening file on the diagonal line; Mapping point is 2 points on the diagonal line corresponding with described original opening file in the SMT web plate image.
Preferred as technique scheme comprises also before the described scanning SMT web plate material object sweep parameter is set that described sweep parameter comprises the precision of preview, the pattern that the preview figure uses, scanning accuracy, the pattern that scanning patter uses, importing correction file.
Preferred as technique scheme also comprises after the described scanning SMT web plate material object and detects scanning SMT web plate image, when the image of scanning has the figure of disappearance or scanning to take place to misplace, resets sweep parameter.
Preferred as technique scheme also comprises after the original opening file of described importing detecting importing original opening file data, when reporting an error when wrong appears in software, imports original opening file again.
Preferred as technique scheme, judge whether original opening file and SMT web plate image carry out complete corresponding described original opening file and SMT web plate image are also comprised after shining upon one by one, to at once, choose the mapping point of opening file and SMT web plate image when not exclusively again.
Preferred as technique scheme, described method also comprises, detects SMT web plate and original opening file not exclusively at once, the reason of detection SMT web plate defective.
(3) beneficial effect
The image detecting method of a kind of SMT web plate that technique scheme provided, described method comprises: import original opening file data, scanning SMT web plate material object obtains SMT web plate image and storage; Choose at least two points of original opening file as mapping point, choose SMT web plate image at least two points corresponding as mapping point with described original opening file; Original opening file and SMT web plate image are shone upon one by one; According to the matching relationship of mapping point, original opening file and SMT web plate image are mated, the hole on the SMT web plate is detected.The technical program can replace operating personnel to judge by naked eyes whether web plate is porous, few hole, reduces the influence of personal error to the result, improves the speed and the accuracy that detect.Realize the machine detection, solved the instability that causes by artificial judgement, improved detection efficiency.
Description of drawings
Fig. 1 is the image detecting method schematic flow sheet of SMT web plate in the embodiment of the invention 1;
Fig. 2 is the image detecting method schematic flow sheet of SMT web plate in the embodiment of the invention 2.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
In conjunction with Fig. 1, Fig. 1 is the image detecting method schematic flow sheet of SMT web plate in the embodiment of the invention 1.A kind of image detecting method of SMT web plate, this method comprises: import original opening file data, scanning SMT web plate material object obtains SMT web plate image and storage; Choose at least two points of original opening file as mapping point, choose SMT web plate image at least two points corresponding as mapping point with original opening file; Original opening file and SMT web plate image are shone upon one by one; According to the matching relationship of mapping point, original opening file and SMT web plate image are mated, the hole on the SMT web plate is detected.Scanner is to realize the detection in SMT web plate porous or few hole with low-cost and the simple means of trying one's best, for the user provides a kind of advantages of simplicity and high efficiency scanning detection method.In production testing, reduce the human factor influence, and provide advanced detection means statistics to export examining report accurately, guarantee whole testing process stable and controllable.SMT web plate scanner can be used for the inspection of semifinished product link that the SMT web plate is produced, and sweep object comprises the net that stretches tight, do not stretch tight web plate, circuit board and the soft board of net, and the checked object that this method can be used for is very extensive.
The mapping point of choosing is: 2 points in the original opening file on the diagonal line; Mapping point is 2 points on the diagonal line corresponding with original opening file in the SMT web plate image.By 2 correspondences SMT web plate image and original opening file well are mapped, are convenient to following matching operation.Certainly also can select 3 mappings to the selection of mapping point, a point as on two points on the diagonal line and relative another diagonal line can carry out correspondence with SMT web plate image and original opening file so more accurately.
Also comprise before the scanning SMT web plate material object sweep parameter is set, sweep parameter comprises the precision of preview, the pattern that the preview figure uses, and scanning accuracy, the pattern that scanning patter uses imports correction file.Can be by sweep parameter is set so that the SMT web plate material picture that scanning obtains is more clear, design feature is clear and definite, is convenient to handle.
Also comprise after the scanning SMT web plate material object and detect scanning SMT web plate image, when the image of scanning has the figure of disappearance or scanning that dislocation takes place, reset sweep parameter.By detecting scanning SMT web plate image, can be so that the contrast in later stage, avoid not fogging defective such as clear to cause the processing time long, or situation such as invalidation take place.
Comprise that also detection imports original opening file data after importing original opening file, when mistake appears in software, report an error, import original opening file again.
Original opening file and SMT web plate image also comprised after shining upon one by one judge that whether original opening file and SMT web plate image carry out complete corresponding, at once, chooses the mapping point of opening file and SMT web plate image when not exclusively again.
Method also comprises, detects SMT web plate and original opening file not exclusively at once, detects the reason of SMT web plate defective.
Embodiment 2
Concrete grammar is in conjunction with Figure of description 2, and this embodiment 2 specifically comprises: S1: import original opening file data; S2: scanning SMT web plate material object obtains SMT web plate image and storage; Above-mentioned steps is optimum embodiment only, and S1 and S2 step also can exchange sequences in the present embodiment, for example can scan SMT web plate material object earlier, obtain SMT web plate image and storage after, import original opening file data again.S3: choose at least two points of original opening file as mapping point; S4: choose SMT web plate image at least two points corresponding as mapping point with original opening file; The same, this S3 and S4 step are selected original opening File mapping point and S5 earlier: original opening file and SMT web plate image are shone upon one by one also in no particular order; S6: according to the matching relationship of mapping point, original opening file and SMT web plate image are mated, the hole on the SMT web plate is detected; S7: comparing result is exported.
Preferably the mapping point of choosing among the S3 is: 2 points in the original opening file on the diagonal line; Among the S4 in the SMT web plate image mapping point be 2 points on the diagonal line corresponding with original opening file.
Also comprise S21 before the S2: sweep parameter is set, and sweep parameter comprises the precision of preview, the pattern that the preview figure uses, and scanning accuracy, the pattern that scanning patter uses imports correction file.
S2 specifically also comprises S22: detect scanning SMT web plate image, when the image of scanning has the figure of disappearance or scanning that dislocation takes place, carry out S21.
Specifically also comprise S11 among the S1: detect and import original opening file data, when mistake appears in software, report an error, import original opening file data again.
S3 specifically also comprises S31: judge whether to obtain two mapping points of original opening file, in the time can not obtaining, reset original opening file parameters.
S4 specifically comprises S41: judge whether to obtain SMT web plate image two mapping points corresponding with original opening file, in the time can not obtaining, reset original opening file parameters.
S5 also comprises S51: judge that whether original opening file and SMT web plate image carry out fully corresponding, at once, carries out S3 when not exclusively.
S7 also comprises S71: detect SMT web plate and original opening file not exclusively at once, detect the reason of SMT web plate defective.
As can be seen from the above embodiments, the embodiment of the invention provides a kind of image detecting method of SMT web plate, and described method comprises: import original opening file data, scanning SMT web plate material object obtains SMT web plate image and storage; Choose at least two points of original opening file as mapping point, choose SMT web plate image at least two points corresponding as mapping point with described original opening file; Original opening file and SMT web plate image are shone upon one by one; According to the matching relationship of mapping point, original opening file and SMT web plate image are mated, the hole on the SMT web plate is detected.The technical program can replace operating personnel to judge by naked eyes whether web plate is porous, few hole, reduces the influence of personal error to the result, improves the speed and the accuracy that detect.Realize the machine detection, solved the instability that causes by artificial judgement, improved detection efficiency.
It below only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (7)
1. the image detecting method of a SMT web plate is characterized in that, described method comprises:
Import original opening file data, scanning SMT web plate material object obtains SMT web plate image and storage;
Choose at least two points of original opening file as mapping point, choose SMT web plate image at least two points corresponding as mapping point with described original opening file; Original opening file and SMT web plate image are shone upon one by one;
According to the matching relationship of mapping point, original opening file and SMT web plate image are mated, the hole on the SMT web plate is detected.
2. the image detecting method of SMT web plate according to claim 1 is characterized in that, the mapping point of choosing is: 2 points in the original opening file on the diagonal line; Mapping point is 2 points on the diagonal line corresponding with described original opening file in the SMT web plate image.
3. the image detecting method of SMT web plate according to claim 2, it is characterized in that, also comprise before the described scanning SMT web plate material object sweep parameter is set, described sweep parameter comprises the precision of preview, the pattern that the preview figure uses, scanning accuracy, the pattern that scanning patter uses imports correction file.
4. the image detecting method of SMT web plate according to claim 3, it is characterized in that, also comprise after the described scanning SMT web plate material object and detect scanning SMT web plate image, when the image of scanning has the figure of disappearance or scanning that dislocation takes place, reset sweep parameter.
5. the image detecting method of SMT web plate according to claim 1 is characterized in that, also comprises after the original opening file of described importing detecting importing original opening file data, reports an error when mistake appears in software, imports original opening file again.
6. the image detecting method of SMT web plate according to claim 2, it is characterized in that, judge whether original opening file and SMT web plate image carry out complete corresponding described original opening file and SMT web plate image are also comprised after shining upon one by one, to at once, choose the mapping point of opening file and SMT web plate image when not exclusively again.
7. the image detecting method of SMT web plate according to claim 2 is characterized in that, described method also comprises, detects SMT web plate and original opening file not exclusively at once, detects the reason of SMT web plate defective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100158849A CN103217431A (en) | 2012-01-19 | 2012-01-19 | Image detection method of SMT screen plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100158849A CN103217431A (en) | 2012-01-19 | 2012-01-19 | Image detection method of SMT screen plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103217431A true CN103217431A (en) | 2013-07-24 |
Family
ID=48815413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100158849A Pending CN103217431A (en) | 2012-01-19 | 2012-01-19 | Image detection method of SMT screen plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103217431A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405721A (en) * | 2001-08-15 | 2003-03-26 | 力捷电脑股份有限公司 | Automatic scanning system and scanning method |
| CN1869667A (en) * | 2006-06-08 | 2006-11-29 | 李贤伟 | Profile analysing method for investigating defect of printed circuit board |
| CN101051386A (en) * | 2007-05-23 | 2007-10-10 | 北京航空航天大学 | Precision matching method for multiple depth image |
| CN101082988A (en) * | 2007-06-19 | 2007-12-05 | 北京航空航天大学 | Automatic deepness image registration method |
| US20100039520A1 (en) * | 2008-08-14 | 2010-02-18 | Fotonation Ireland Limited | In-Camera Based Method of Detecting Defect Eye with High Accuracy |
| US20100075865A1 (en) * | 2006-08-03 | 2010-03-25 | National University Of Singapore | microarray system and a process for producing microarrays |
| CN101957325A (en) * | 2010-10-14 | 2011-01-26 | 山东鲁能智能技术有限公司 | Substation equipment appearance abnormality recognition method based on substation inspection robot |
| CN201844981U (en) * | 2010-10-22 | 2011-05-25 | 浙江工业大学 | Machine vision based automatic defect detecting device for printed circuit boards |
| CN102252611A (en) * | 2011-05-09 | 2011-11-23 | 深圳市澎湃图像技术有限公司 | Geometric positioning method |
| CN202092966U (en) * | 2011-03-11 | 2011-12-28 | 深圳市信恳实业有限公司 | Automatic hole plugging checking instrument for SMT (surface mounting technology) steel mesh |
-
2012
- 2012-01-19 CN CN2012100158849A patent/CN103217431A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405721A (en) * | 2001-08-15 | 2003-03-26 | 力捷电脑股份有限公司 | Automatic scanning system and scanning method |
| CN1869667A (en) * | 2006-06-08 | 2006-11-29 | 李贤伟 | Profile analysing method for investigating defect of printed circuit board |
| US20100075865A1 (en) * | 2006-08-03 | 2010-03-25 | National University Of Singapore | microarray system and a process for producing microarrays |
| CN101051386A (en) * | 2007-05-23 | 2007-10-10 | 北京航空航天大学 | Precision matching method for multiple depth image |
| CN101082988A (en) * | 2007-06-19 | 2007-12-05 | 北京航空航天大学 | Automatic deepness image registration method |
| US20100039520A1 (en) * | 2008-08-14 | 2010-02-18 | Fotonation Ireland Limited | In-Camera Based Method of Detecting Defect Eye with High Accuracy |
| CN101957325A (en) * | 2010-10-14 | 2011-01-26 | 山东鲁能智能技术有限公司 | Substation equipment appearance abnormality recognition method based on substation inspection robot |
| CN201844981U (en) * | 2010-10-22 | 2011-05-25 | 浙江工业大学 | Machine vision based automatic defect detecting device for printed circuit boards |
| CN202092966U (en) * | 2011-03-11 | 2011-12-28 | 深圳市信恳实业有限公司 | Automatic hole plugging checking instrument for SMT (surface mounting technology) steel mesh |
| CN102252611A (en) * | 2011-05-09 | 2011-11-23 | 深圳市澎湃图像技术有限公司 | Geometric positioning method |
Non-Patent Citations (5)
| Title |
|---|
| 刘今越 等: "基于机器视觉的SMT钢网质量检测技术研究", 《仪器仪表学报》, vol. 30, no. 16, 30 June 2009 (2009-06-30), pages 431 - 434 * |
| 张文娟: "基于labVIEW的SMT电子组件视觉检测系统", 《中国优秀硕士学位论文数据库•信息科技辑》 * |
| 张文娟: "基于labVIEW的SMT电子组件视觉检测系统", 《中国优秀硕士学位论文数据库•信息科技辑》, 30 September 2009 (2009-09-30) * |
| 张舞杰等: "基于视觉的SMT印刷钢网尺寸测量方法", 《计算机应用》, vol. 29, no. 12, 31 December 2009 (2009-12-31) * |
| 苏雷 等: "基于机器视觉的印刷电路板缺陷检测系统的设计与研究", 《机床与液压》, vol. 37, no. 8, 31 August 2009 (2009-08-31), pages 294 - 296 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105466951B (en) | A kind of automatic optical detection device and its detection method | |
| CN104441526A (en) | Online mold monitoring and protecting system and method based on contour matching | |
| CN108312456B (en) | Injection molding machine product process quality monitoring system and monitoring method | |
| CN103018261B (en) | Appearance fault detecting system and appearance fault detecting method of RFID (Radio Frequency Identification Device) antenna | |
| CN106525861B (en) | The method of adjustment and device of the test parameter of AOI | |
| CN106031328A (en) | Quality management device and method for controlling quality management device | |
| CN112053318A (en) | Two-dimensional PCB defect real-time automatic detection and classification device based on deep learning | |
| CN110018172B (en) | Product detection system and method | |
| CN107664644A (en) | A kind of apparent automatic detection device of object based on machine vision and method | |
| CN104923494A (en) | Method and system for automatically distinguishing qualified products from electronic components on large scale | |
| CN111915604A (en) | Internet artificial intelligence electron accessories discernment and detecting system | |
| CN115908432A (en) | Material output quality detection system and prediction method | |
| CN109142380A (en) | The fault detection method of circuit board, device and system | |
| CN102854195B (en) | Method for detecting defect coordinates on color filter | |
| CN109664611B (en) | Printing machine | |
| CN103743760A (en) | Circuit detection method for PCB board | |
| CN101471272A (en) | Automatic flaw detection device and method for substrate laser repairing device | |
| CN110502774A (en) | A kind of PCB engineering drawing automatic marking method, computer readable storage medium and terminal | |
| KR20130128923A (en) | Method and apparatus for tracking mounting error of chip mounter | |
| CN107084989B (en) | Method and system for adding AOI device database | |
| CN103217431A (en) | Image detection method of SMT screen plate | |
| CN105069770A (en) | AOI image scanning detection processing method | |
| CN207630384U (en) | A kind of detecting system of calendering wirecord fabric arrangement | |
| CN111097707A (en) | Batch test method for electronic equipment | |
| CN204309374U (en) | Printing machine automated calibration system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130724 |