CN206248563U - A kind of electronic product appearance surfaces defect detecting device - Google Patents
A kind of electronic product appearance surfaces defect detecting device Download PDFInfo
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- CN206248563U CN206248563U CN201621084976.2U CN201621084976U CN206248563U CN 206248563 U CN206248563 U CN 206248563U CN 201621084976 U CN201621084976 U CN 201621084976U CN 206248563 U CN206248563 U CN 206248563U
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- light source
- lighting system
- electronic product
- detecting device
- combination lighting
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
A kind of electronic product appearance surfaces defect detecting device, including detectable substance shell, double remote zoom lens upper ends are provided with high accuracy CCD camera, lower end is provided with combination lighting system coaxial light source, combination lighting system coaxial light source lower end is provided with combination lighting system ball integration light source, detectable substance shell is placed in combination lighting system ball integration light source, it is related to ccd image to gather, illumination optical, image procossing, surface defects detection technology, it is mainly used to solve the detection of metal material electronic product outward appearance appearance defect, secondly carry out outward appearance imaging by machine vision acquisition system first carries out corresponding software algorithm process to image, by image-pickup method and a kind of new image procossing mode, can preferably solve the problems, such as that defects detection is difficult.
Description
Technical field
The utility model belongs to surface detection technique field, and in particular to a kind of electronic product appearance surfaces defects detection dress
Put.
Background technology
Surface defect tester at present on the market is more, but has the following problems：1）Unlike material electronic product is imaged
Problem is, it is necessary to clearly show the defect on electronic product surface, while to avoid influence of the shot blasting particles to detecting, minimum defect
Accuracy of detection is 0.007mm；2）Detectable substance size has 4.5 inches and 5.0 inches to solve two kinds of sizes, it is necessary to solve set of system
High precision test problem；3）Detection phone housing a width imaging inside can include two kinds of materials, it is necessary to solve unlike material into
As problem；4）Detection phone housing detects that its lateral surface is arc imaging problem while, it is necessary to solve arc for comprehensive appearance defect；
5）This same defect of detection can divide according to client technologies planning in view of NG and OK, General N G, serious NG three types, it is necessary to
Comprehensively detect three kinds of defects；6）Detection needs to solve to be directed to related needs, how quickly to increase corresponding place's adjustment
Method module, shortens the construction cycle；7）Polytype defect is disposably detected during detection needs to solve the problems, such as piece image.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the purpose that utility model is used is to provide a kind of electronic product outward appearance table
Planar defect detection means, is related to ccd image collection, illumination optical, image procossing, surface defects detection technology, is mainly used to solve
Certainly metal material electronic product outward appearance appearance defect detection, carries out outward appearance imaging secondly right by machine vision acquisition system first
Image carries out corresponding software algorithm process, and the device and detection method can preferably solve the problems, such as that defects detection is difficult.
In order to overcome the above-mentioned deficiencies of the prior art, the technical solution adopted in the utility model is：
A kind of electronic product appearance surfaces defect detecting device, including detectable substance shell, double remote zoom lens upper ends are provided with height
Accuracy CCD camera, lower end is provided with combination lighting system coaxial light source, and combination lighting system coaxial light source lower end is provided with combination lighting
System ball integrates light source, and detectable substance shell is placed in combination lighting system ball integration light source.
Described high accuracy CCD camera is using F mouthfuls of 2500W black-white CCD camera of industrial high accuracy.
Camera lens itself object distance of described double remote zoom lens is 260mm, and the depth of field is 8mm,
Entered by mechanical structure between described combination lighting system coaxial light source and combination lighting system ball integration light source
Row entirety clamping secured adjusted, 0~100mm of regulation spacing.
Described combination lighting system ball integration light source top inside is sphere, and outside is a plane, and openings of sizes is
72mmx92mm, axis light light-emitting area size is 70mmx90mm, and combination lighting system ball integration light source is divided into 5 passages altogether, most
Foot passage is normal channel, and other passages are arranged for 15 °, 30 °, 45 °, 85 ° according to angle respectively.
The telecentricity of described telecentric lens is less than 0.06, and distortion is less than 0.08%.
Described CCD camera, resolution ratio is 6576x4384, and minimum pixel dimension is 5.5 μm, using 1/2 sub-pixed mapping precision
Can reach 0.007mm.
The beneficial effects of the utility model are：
1）To solve the problems, such as high accuracy using double remote zoom lens and high accuracy CCD camera, to solve sandblasting material to defect
Interference using combination diffusing reflection illuminator.
2）Main shooting using multistation is solved, and the telecentric lens that this is used are 94mmx64mm field ranges, are shot
4.7 inches of phone housing can shoot completion for 2 times, and the phone housing for shooting 5.5 inches can be completed for 3 times.
3）Using combination lighting system, multichannel independent control light source is used in light source internal, used for unlike material
Different light intensity and angle illumination.
4）Ball integration bottom increases light filling light belt, and 360 ° of annulus of composition carry out light filling, and it is high to enter goal integration according to detectable substance
Degree light source can carry out angular adjustment, it is ensured that the uniformity of illumination.
5）Same position uses a 3 continuous shooting modes, and light source luminescent angle of taking pictures every time and brightness are changed, Ke Yiduo
Angle, many brightness are imaged, it is ensured that defect is not omitted.
6）The present apparatus has increased Script modules in original module, and this is partially in semi-open state, algorithm engineering teacher or
The non-algorithm engineering Shi Douke of person partly enters edlin herein, and algoritic module is shown with text documents, directly can inside carry out
Editor, is loaded into existing algoritic module and can be used after editor.
7）The problem of the width picture number of drawbacks run into being detected for appearance defect, the system is employed and successively scanned
Detection technique, user can be needed to select detection module according to actually detected, and multiple detections can be selected for same width picture
Block combiner, it is only necessary to above beating to hooking, specific each module parameter can independently be configured, different station
Different parameters can be set.
8）Conventional bruising wound is mainly solved under uniform normal brightness, the detection such as scratch, cull is touched；Enter in uniform high-brightness
Row Split defects detections, predominantly gap, black line etc.；Light defects detection is carried out in low-light level details in a play not acted out on stage, but told through dialogues, for example slightly damage,
Scratch, grains of sand etc..
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein, 1 is double remote zoom lens；2 is high accuracy CCD camera；3 is that combination lighting system ball integrates light source；4 is combination
Illuminator coaxial light source；5 is detectable substance shell.
Specific embodiment
The utility model is further discussed below below in conjunction with accompanying drawing.
As shown in figure 1, a kind of electronic product appearance surfaces defect detecting device, including detectable substance shell 5, double remote zoom lens
1 upper end is provided with high accuracy CCD camera 2, and lower end is provided with combination lighting system coaxial light source 4, under combination lighting system coaxial light source 4
End is provided with combination lighting system ball integration light source 3, and detectable substance shell 5 is placed in combination lighting system ball integration light source 3.
Described high accuracy CCD camera 2 is using F mouthfuls of 2500W black-white CCD camera of industrial high accuracy.
Camera lens itself object distance of described double remote zoom lens 1 is 260mm, and the depth of field is 8mm,
Pass through mechanical structure between described combination lighting system coaxial light source 4 and combination lighting system ball integration light source 3
Carry out overall clamping secured adjusted, 0~100mm of regulation spacing.
Described combination lighting system ball integration light source 3 top inside is sphere, and outside is a plane, and openings of sizes is
72mmx92mm, axis light light-emitting area size is 70mmx90mm, and combination lighting system ball integration light source 3 is always divided into 5 passages, most
Foot passage is normal channel, and other passages are arranged for 15 °, 30 °, 45 °, 85 ° according to angle respectively.
Embodiment
1）This have selected telecentricity less than 0.06, telecentric lens of the distortion less than 0.08%, the CCD camera of 3000W, point
Resolution is 6576x4384, and minimum pixel dimension is 5.5 μm, and 0.007mm is can reach using 1/2 sub-pixed mapping precision.Simultaneously in combination
In illuminator, it is the red light of 700nm as key lighting light source to use wavelength, according to the light wave inside the duality principle of light
Characteristic, the small gap between shot blasting particles can be avoided over effectively, while tiny flaw really can be imaged out.
2）Multistation scheme, 5.5 feet of mobile phone station dividing conditions are used for large format detection；First to Zone1 regions
Taken pictures, during to picture processing, equipment moves to Zone2 regions simultaneously, and it is taken pictures again, examines successively
Survey the detection for completing whole mobile phone.
3）Illuminator is carried out using two combined light sources, and the gap between coaxial light source and ball integration light source can not be more than
1mm, the system ball integration top inside is sphere, and outside is a plane, and openings of sizes is 72mmx92mm, and axis light lights
Face size is 70mmx90mm, and ball integration is always divided into 5 passages, and bottommost passage is that ball integrates normal channel, other passages difference
Arranged for 15 °, 30 °, 45 °, 85 ° according to angle.
4）In cambered surface detection, can there is 2 light source channels, 1# light source channels and trunnion axis in this set illuminator in bottom
In 15 ° of angles, lamp bead emission area is 30 °, and 2# light sources are presented 45 ° of angles with trunnion axis, and lamp bead launch angle is 30 °,
Cambered surface can be beaten bright by the two passages with plane intersection and top, make its maintaining uniform illumination, then by the same of 3# light and top
Axle light source lighting, it is ensured that side integral illumination is uniform；The telecentric lens in the side edge 9mm depth of field can ensure the clear of edge simultaneously
Clear imaging.
5）Disposably detected for different defects, can be detected using the different bright darkness of three kinds of light sources and combination,
Conventional bruising wound is mainly solved under uniform normal brightness, the detection such as scratch, cull is touched；Split is carried out in uniform high-brightness to lack
Fall into detection, predominantly gap, black line etc.；Carry out light defects detection in low-light level details in a play not acted out on stage, but told through dialogues, for example slightly damage, scratch, the grains of sand
Deng.Detectable substance is by the way that after equipment moving to field of detection scope, phase chance carries out three times and takes pictures, and enters automatically after the completion of taking pictures every time
Line light source changes, and disposable detection output testing result is carried out after the completion of taking pictures for three times.
6）Hot update method implementation in the application, possesses an algoritic module interface in algorithm frame program, can
Inside to carry out algoritic module addition, proof of algorithm can be directly carried out after adding successfully inside framework, in program frame
Algoritic module can be placed on text texts the inside by Script the insides according to the actual requirements, content inside text need according to
Normal software program module mode is write, and the ready-made algoritic modules of Halcon can directly invoke module title and achieve that respective mode
Block is write.Even if being that non-algorithm personnel can also inside write corresponding code according to the requirement of algorithm engineering teacher.According to
Test case determines whether algoritic module is packaged again.
Further in algoritic module part addition algoritic module detection level options, can be needed corresponding according to detection
Position is beaten to hooking, and save button is clicked on after beating to hook, and corresponding text scripts occur under software catalog, is double-clicked
The script of text just can be inside to current algoritic module parameter modify, if not needing current detection module,
Remove to hooking, system is detected according to the sequencing of the algoritic module of actual selection during actually detected, when
Previous module detects the position of NG, and this part is not detected inside next module, is sequentially completed all corresponding
Module is detected.
Claims (7)
1. a kind of electronic product appearance surfaces defect detecting device, including detectable substance shell（5）, it is characterised in that double remote burnt mirrors
Head（1）Upper end is provided with high accuracy CCD camera（2）, lower end is provided with combination lighting system coaxial light source（4）, combination lighting system is same
Axle light source（4）Lower end is provided with combination lighting system ball integration light source（3）, combination lighting system ball integration light source（3）It is interior to place inspection
Survey beyond the region of objective existence shell（5）.
2. a kind of electronic product appearance surfaces defect detecting device according to claim 1, it is characterised in that described height
Accuracy CCD camera（2）Using industrial high accuracy F mouthfuls of 2500W black-white CCD cameras.
3. a kind of electronic product appearance surfaces defect detecting device according to claim 1, it is characterised in that described is double
Remote zoom lens（1）Camera lens itself object distance be 260mm, the depth of field is 8mm.
4. a kind of electronic product appearance surfaces defect detecting device according to claim 1, it is characterised in that described group
Take a group photo bright system coaxial light source（4）Light source is integrated with combination lighting system ball（3）Between overall clamping is carried out by mechanical structure
Secured adjusted, 0~100mm of regulation spacing.
5. a kind of electronic product appearance surfaces defect detecting device according to claim 1, it is characterised in that described group
Close illuminator ball integration light source（3）Top inside is sphere, and outside is a plane, and openings of sizes is 72mmx92mm, coaxially
Light light-emitting area size is 70mmx90mm, combination lighting system ball integration light source（3）5 passages are always divided into, bottommost passage is for just
Normal open road, other passages are arranged for 15 °, 30 °, 45 °, 85 ° according to angle respectively.
6. a kind of electronic product appearance surfaces defect detecting device according to claim 1, it is characterised in that telecentric lens
Telecentricity be less than 0.06, distortion be less than 0.08%.
7. a kind of electronic product appearance surfaces defect detecting device according to claim 1, it is characterised in that described
CCD camera, resolution ratio is 6576x4384, and minimum pixel dimension is 5.5 μm, and 0.007mm is can reach using 1/2 sub-pixed mapping precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621084976.2U CN206248563U (en) | 2016-09-27 | 2016-09-27 | A kind of electronic product appearance surfaces defect detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621084976.2U CN206248563U (en) | 2016-09-27 | 2016-09-27 | A kind of electronic product appearance surfaces defect detecting device |
Publications (1)
| Publication Number | Publication Date |
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| CN206248563U true CN206248563U (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621084976.2U Expired - Fee Related CN206248563U (en) | 2016-09-27 | 2016-09-27 | A kind of electronic product appearance surfaces defect detecting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770307A (en) * | 2016-09-27 | 2017-05-31 | 西京学院 | A kind of electronic product appearance surfaces defect detecting device and its detection method |
| CN109827974A (en) * | 2018-08-30 | 2019-05-31 | 东莞市微科光电科技有限公司 | A kind of resin optical filter film splits detection device and detection method |
| CN110286129A (en) * | 2019-07-12 | 2019-09-27 | 创新奇智(广州)科技有限公司 | Lighting device for magnetic shoe detection and the detection system for magnetic shoe detection |
| CN113218961A (en) * | 2021-04-21 | 2021-08-06 | 中国科学院光电技术研究所 | Substrate defect detection device and method |
| WO2021203652A1 (en) * | 2020-04-07 | 2021-10-14 | 深圳回收宝科技有限公司 | Bottom shell test apparatus for electronic product |
-
2016
- 2016-09-27 CN CN201621084976.2U patent/CN206248563U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770307A (en) * | 2016-09-27 | 2017-05-31 | 西京学院 | A kind of electronic product appearance surfaces defect detecting device and its detection method |
| CN109827974A (en) * | 2018-08-30 | 2019-05-31 | 东莞市微科光电科技有限公司 | A kind of resin optical filter film splits detection device and detection method |
| CN110286129A (en) * | 2019-07-12 | 2019-09-27 | 创新奇智(广州)科技有限公司 | Lighting device for magnetic shoe detection and the detection system for magnetic shoe detection |
| WO2021203652A1 (en) * | 2020-04-07 | 2021-10-14 | 深圳回收宝科技有限公司 | Bottom shell test apparatus for electronic product |
| CN113218961A (en) * | 2021-04-21 | 2021-08-06 | 中国科学院光电技术研究所 | Substrate defect detection device and method |
| CN113218961B (en) * | 2021-04-21 | 2023-08-11 | 中国科学院光电技术研究所 | Substrate defect detection device and method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20190927 |