CN108775919A - A kind of detection and sorting device for large scale pcb board - Google Patents
A kind of detection and sorting device for large scale pcb board Download PDFInfo
- Publication number
- CN108775919A CN108775919A CN201810438968.0A CN201810438968A CN108775919A CN 108775919 A CN108775919 A CN 108775919A CN 201810438968 A CN201810438968 A CN 201810438968A CN 108775919 A CN108775919 A CN 108775919A
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- detection
- pcb board
- large scale
- light source
- rack
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 230000000007 visual effect Effects 0.000 claims abstract description 33
- 238000003384 imaging method Methods 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000005498 polishing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
A kind of detection and sorting device for large scale pcb board replaces traditional optics contrast imaging using ultrahigh resolution CCD camera, and big visual field telecentric lens is combined to realize big visual field, sample of high-resolution image, improves the range of detection；Meanwhile TT&C software system is designed, the key that may be implemented in circuit board visual range measures, and high certainty of measurement, operation is simple；Meanwhile the multiple types light source such as coaxial light source and high brightness ring light is arranged, and a variety of polishing modes such as backlight and surface light are designed, multiclass Image Acquisition is realized, to realize the Polaroid measurement and classification of oversize PCB.
Description
Technical field
The invention belongs to pcb board detection technique field, it is related to a kind of detection for large scale pcb board and sorting device.
Background technology
In the prior art, before carrying out component welding, encapsulation to rigidity or flexible PCB, need to circuit board into
The detection of row size and surface quality is the work such as welding, encapsulation and the installation of circuit board to ensure soldered circuit board as non-defective unit
It provides safeguard.Therefore, all kinds of detections of circuit board are extremely important.
In fields of measurement, the measuring instrument of view-based access control model generates image data using optical imagery, then assists with computer
Analysis, high certainty of measurement need non-contact measurement to be widely used in universities and colleges, research and development institution and industrial detection etc.
Place.The measuring instrument of view-based access control model is mainly used for the component high to complexity, quality is small and carries out high-acruracy survey.
With the complexity of circuit board line and the increase of circuit board size, traditional artificial detection and conventional vision
For detection means there are still certain drawback, drawback is mainly that traditional visual measuring equipment areas imaging is small, and measured object obtains quilt
Object topography is surveyed, detection device needs the complete detection for coordinating mobile XY coordinate tables that could realize measurand, detection to set
It is standby to need to obtain multiple topographies of large scale circuit board with the cooperation of motion positions device, and image mosaic processing is carried out, this
Largely effect on the processing speed and accuracy of detection of detection device；Cause the detection efficiency to large scale circuit board low, while and also because
Human factor leads to the mixing of substandard products and finished product, influences the accuracy of testing result.
Based on this, a one-touch test equipment applied to the detection of oversize circuit plate high precision is designed, is realized
The high-precision vision of circuit board detects, and improves detection efficiency, is necessary.
Invention content
To overcome above-mentioned deficiency in the prior art, present invention aims at provide a kind of inspection for large scale pcb board
It surveys and sorting device, the detection replaces traditional optics contrast imaging with ultrahigh resolution CCD industrial cameras with sorting device, tie
Close telecentric lens obtain high-resolution, low distortion image；Meanwhile equipment installs coaxial light source and high brightness ring light, and design
A variety of polishing modes such as backlight and surface light realize the Polaroid measurement to oversize circuit board, very convenient.
In order to achieve the above objects and other related objects, the present invention provide a kind of detection for large scale pcb board with point
Class equipment, including rack and visual imaging position adjusting mechanism；The upper rack is installed with glass detection locating platform, described
The bottom that glass measures bit platform is installed with backlighting arrangement；The visual imaging position adjusting mechanism includes that image obtains dress
It sets and position adjusting mechanism；Described image acquisition device includes ultrahigh resolution CCD camera, big visual field telecentric lens, axis light
Source and high brightness ring light；Ultrahigh resolution CCD camera lower part is connected with the big visual field telecentric lens, the big visual field
Telecentric lens lower part is fixed with the coaxial light source, and the coaxial light source lower part is fixed with the high brightness ring light；The position
Adjustment mechanism includes the backboard that the upright guide rail being arranged in rack and upright guide rail are slidably matched；The ultrahigh resolution CCD
Camera is fixed on the backboard；Further include industrial control computer, the high resolution CCD camera by USB data line with
Industrial control computer connects, and the picture number of detected pcb board is obtained through the TT&C software system in industrial control computer
According to and complete dimension data measure and surface quality calculation processing.
In said program, related content is explained as follows：
1, further include objective table in said program, the side in the rack is arranged in the objective table, and the Industry Control calculates
Machine is placed on the objective table；It is additionally provided with display on the objective table.
2, further include protective enclosure in said program, the protective enclosure setting adjusts machine in the visual imaging position
On the outside of structure, the high resolution CCD camera, big visual field telecentric lens, coaxial light source and high brightness ring light are set to described
Inside protective enclosure.
3, in said program, the rack is equipped with riser, and the upright guide rail is fixed on the riser.
4, in said program, the bottom of the rack is equipped with support leg and movable pulley.
The operation principle of the present invention：PCB to be detected is placed on glass detection positioning by staff or industrial robot
It on platform, is imaged or is shot by high resolution CCD camera, wherein height can be realized by adjusting position adjusting mechanism
The upper-lower height of resolution CCD camera adjusts, to adjust the effect of shooting, meanwhile, high resolution CCD camera passes through USB numbers
The image data of shooting is conveyed to industrial control computer according to line, the display connected by industrial control computer is shown,
And by the TT&C software system in industrial control computer may be implemented dimensional measurement of the test product in visual range and
Surface quality detection shows testing result by the display that industrial control computer connects.
Since above-mentioned technical proposal is used, the present invention has an advantageous effect in that compared with prior art：
The present invention replaces traditional optics contrast imaging using ultrahigh resolution CCD camera, and combines big visual field telecentric lens real
Now big visual field, sample of high-resolution image improve the range of detection；Meanwhile TT&C software system is designed, circuit board may be implemented
A key in visual range measures, and high certainty of measurement, operation is simple；Meanwhile coaxial light source and high brightness ring light etc. are a variety of
Class light source is arranged, and designs a variety of polishing modes such as backlight and surface light, multiclass Image Acquisition is realized, to realize oversize
The Polaroid measurement of PCB and classification.
Description of the drawings
Fig. 1 is the schematic front view of structure of the invention；
Fig. 2 is the left view schematic diagram of structure of the invention.
Specific implementation mode
Below in conjunction with attached drawing, embodiments of the present invention, those skilled in the art are illustrated by particular specific embodiment
Other advantages and effect of the present invention can be understood easily by the content disclosed by this specification.
Embodiment：
As shown in Figure 1 and Figure 2, a kind of detection and sorting device for large scale pcb board, including rack 1 and visual imaging position
Adjustment mechanism；1 top of the rack is installed with glass detection locating platform 2, and the bottom that the glass measures bit platform 2 is installed with
Backlighting arrangement 3；The visual imaging position adjusting mechanism includes image acquiring device and position adjusting mechanism；Described image
Acquisition device includes ultrahigh resolution CCD camera 4, big visual field telecentric lens 5, coaxial light source 6 and high brightness ring light 7；It is described super
4 lower part of high resolution CCD camera is connected with the big visual field telecentric lens 5, and big 5 lower part of visual field telecentric lens is fixed with
The coaxial light source 6,6 lower part of the coaxial light source are fixed with the high brightness ring light 7；The position adjusting mechanism includes setting
The backboard 9 that upright guide rail 8 and upright guide rail 8 in rack 1 are slidably matched；The ultrahigh resolution CCD camera 4 is fixed on
On the backboard 9；Further include industrial control computer 10, the high resolution CCD camera 4 passes through USB data line（Do not show in figure
Go out）It is connect with industrial control computer 10, detected pcb board is obtained through the TT&C software system in industrial control computer 10
Image data and complete dimension data measure and surface quality calculation processing.
Further include objective table 11, the side in the rack 1, the industrial control computer 10 is arranged in the objective table 11
It is placed on the objective table 11；The display 12 being connect with the industrial control computer 10 is additionally provided on the objective table 11.
It further include protective enclosure（It is not shown in figure）, the protective enclosure setting is in the visual imaging position adjusting mechanism
Outside on, the high resolution CCD camera 4, big visual field telecentric lens 5, coaxial light source 6 and high brightness ring light 7 be set to institute
It states inside protective enclosure.
The rack 1 is equipped with riser 13, and the upright guide rail 8 is fixed on the riser 13.
The bottom of the rack 1 is equipped with support leg 14 and movable pulley 15.
When work, PCB to be detected is placed on glass detection locating platform by staff or industrial robot, is passed through
High resolution CCD camera is imaged or is shot, wherein high resolution CCD phase can be realized by adjusting position adjusting mechanism
The upper-lower height of machine adjusts, to adjust the effect of shooting, meanwhile, high resolution CCD camera is by USB data line by shooting
Image data is conveyed to industrial control computer, and the display connected by industrial control computer is shown, and is controlled by industry
Dimensional measurement and surface quality detection of the test product in visual range may be implemented in TT&C software system in computer processed,
Testing result is shown by the display that industrial control computer connects.
The present invention replaces traditional optics contrast imaging using ultrahigh resolution CCD camera, and combines big visual field telecentric mirror
Head realizes big visual field, sample of high-resolution image, improves the range of detection；Meanwhile TT&C software system is designed, electricity may be implemented
A key in the plate visual range of road measures, and high certainty of measurement, operation is simple；Meanwhile coaxial light source and high brightness ring light etc.
Multiple types light source is arranged, and designs a variety of polishing modes such as backlight and surface light, multiclass Image Acquisition is realized, to realize super large
The Polaroid measurement of size PCB and classification.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (5)
1. a kind of detection and sorting device for large scale pcb board, it is characterised in that：Including rack and visual imaging position tune
Complete machine structure；The upper rack is installed with glass detection locating platform, and the bottom that the glass measures bit platform is installed with backlight
Lighting device；The visual imaging position adjusting mechanism includes image acquiring device and position adjusting mechanism；Described image obtains
Device includes ultrahigh resolution CCD camera, big visual field telecentric lens, coaxial light source and high brightness ring light；The ultrahigh resolution
CCD camera lower part is connected with the big visual field telecentric lens, and the big visual field telecentric lens lower part is fixed with the axis light
Source, the coaxial light source lower part are fixed with the high brightness ring light；The position adjusting mechanism include be arranged in rack it is perpendicular
Straight guide, the backboard being slidably matched with upright guide rail；The ultrahigh resolution CCD camera is fixed on the backboard；Further include
Industrial control computer, the high resolution CCD camera are connect by USB data line with industrial control computer, are controlled through industry
TT&C software system in computer processed obtains the image data of detected pcb board and completes dimension data and measures and surface matter
Measure calculation processing.
2. the detection and sorting device according to claim 1 for large scale pcb board, it is characterised in that：Further include carrying
The side in the rack is arranged in object platform, the objective table, and the industrial control computer is placed on the objective table, the load
It is additionally provided with display on object platform.
3. the detection and sorting device according to claim 1 for large scale pcb board, it is characterised in that：Further include protecting
Shroud body, the protective enclosure are arranged on the outside of the visual imaging position adjusting mechanism, the high resolution CCD phase
Machine, big visual field telecentric lens, coaxial light source and high brightness ring light are set to inside the protective enclosure.
4. the detection and sorting device according to claim 1 for large scale pcb board, it is characterised in that：The rack
It is equipped with riser, the upright guide rail is fixed on the riser.
5. the detection and sorting device according to claim 1 for large scale pcb board, it is characterised in that：The rack
Bottom be equipped with support leg and movable pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438968.0A CN108775919A (en) | 2018-05-09 | 2018-05-09 | A kind of detection and sorting device for large scale pcb board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438968.0A CN108775919A (en) | 2018-05-09 | 2018-05-09 | A kind of detection and sorting device for large scale pcb board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108775919A true CN108775919A (en) | 2018-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810438968.0A Pending CN108775919A (en) | 2018-05-09 | 2018-05-09 | A kind of detection and sorting device for large scale pcb board |
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| Country | Link |
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| CN (1) | CN108775919A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474384A (en) * | 2019-09-11 | 2021-03-12 | 南通深南电路有限公司 | Detection equipment and method for printed circuit board |
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| CN203929068U (en) * | 2014-04-29 | 2014-11-05 | 东莞市普密斯精密仪器有限公司 | A kind of wide field optical system |
| CN204202558U (en) * | 2014-11-18 | 2015-03-11 | 宁波工程学院 | A kind of inversion type picture size detects and measurement mechanism |
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2018
- 2018-05-09 CN CN201810438968.0A patent/CN108775919A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009092596A (en) * | 2007-10-11 | 2009-04-30 | Denso Corp | System and method for inspecting dimensions |
| CN201440128U (en) * | 2009-07-13 | 2010-04-21 | 北京航星科技有限公司 | Automatic optical detection system for PCB defect detection |
| CN103230879A (en) * | 2013-03-12 | 2013-08-07 | 东莞市瑞科自动化设备有限公司 | Full-automatic screening machine for V-shaped grooved glass plate optical-images |
| CN203929068U (en) * | 2014-04-29 | 2014-11-05 | 东莞市普密斯精密仪器有限公司 | A kind of wide field optical system |
| CN204202558U (en) * | 2014-11-18 | 2015-03-11 | 宁波工程学院 | A kind of inversion type picture size detects and measurement mechanism |
| 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 |
| CN206330545U (en) * | 2016-12-27 | 2017-07-14 | 东莞市明威视觉自动化设备有限公司 | One kind uses the key measuring instrument of ccd video camera one |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474384A (en) * | 2019-09-11 | 2021-03-12 | 南通深南电路有限公司 | Detection equipment and method for printed circuit board |
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