CN207036726U - A kind of PCB bare boards defect detecting system - Google Patents
A kind of PCB bare boards defect detecting system Download PDFInfo
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- CN207036726U CN207036726U CN201720727868.0U CN201720727868U CN207036726U CN 207036726 U CN207036726 U CN 207036726U CN 201720727868 U CN201720727868 U CN 201720727868U CN 207036726 U CN207036726 U CN 207036726U
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Abstract
The utility model discloses a kind of PCB bare boards defect detecting system, it includes：Light-source system, it is used to build uniform shadow-free light area so that the structure outline of PCB bare boards to be detected is clear；Vision collecting system, it is used for the image information for gathering the PCB bare boards to be detected, and is sent to；And data handling system, it is connected with the vision collecting system, the image information sent for receiving the vision collecting system, and the defects of PCB bare boards to be detected is detected according to described image information, and obtains testing result.The system detectio precision is high, and system flase drop, loss are low, and high in the operation stability of actual production link.
Description
Technical field
It the utility model is related to industrial vision detection technique field, more particularly to a kind of PCB bare boards defect detecting system.
Background technology
With the development of PCB industries, PCB print quality inspections rely primarily on artificial detection completion, and it has artificial detection
The defects such as difficulty is big, time-consuming, subjectivity is big, accuracy of detection is low, are thus difficult to meet PCB industry development demands.Meanwhile tradition
PCB defect detecting systems more using based on linear array industrial camera, its debugging difficulty is big, cost is high, the color of image of collection is easy
Missing.
Therefore, it is necessary to provide, a kind of precision and efficiency of detecting is high, can substitute artificial detection, reduces the PCB of human cost
Bare board defect detecting system.
Utility model content
For drawbacks described above, the utility model provides a kind of PCB bare boards defect detecting system, the system detectio precision
Height, system flase drop, loss are low, and high in the operation stability of actual production link.
The technical scheme that the utility model proposes with regard to above-mentioned technical problem is as follows：
The utility model provides a kind of PCB bare boards defect detecting system, and it includes：
Light-source system, it is used to build uniform shadow-free light area so that the structure outline of PCB bare boards to be detected is clear；
Vision collecting system, it is used for the image information for gathering the PCB bare boards to be detected, and is sent to；
And data handling system, it is connected with the vision collecting system, for receiving the vision collecting system hair
The image information sent, and the defects of PCB bare boards to be detected is detected according to described image information, and obtain detection knot
Fruit.
Preferably, the light-source system includes：
Light source bracket；And at least one coaxial light source, and each coaxial light source is installed in the light source bracket
On.
Preferably, the vision collecting system includes：
At least one camera, and it is provided with a camera below each coaxial light source；Each camera is equal
It is corresponding to obtain the image information that presumptive area is corresponded on the PCB bare boards to be detected；
First communication equipment, it is connected with each camera and the data handling system respectively, every for obtaining
The image information of presumptive area is corresponded on the PCB bare boards to be detected that one camera obtains, and described image information is sent out
Deliver to the data handling system.
Preferably, the camera is area array cameras.
Preferably, the detecting system also includes：
Kinetic control system, it is used for the motion for controlling the PCB bare boards to be detected, make the PCB bare boards to be detected according to
It is secondary to pass through below each camera.
Preferably, the kinetic control system includes：
Controller；
Pcb board microscope carrier, it is used to carry the PCB bare boards to be detected；
And motion leading screw, it is connected with the controller and the pcb board microscope carrier respectively, for according to the control
The control instruction motion of device, drives the pcb board microscope carrier to move so that the PCB bare boards to be detected are successively from each phase
Pass through below machine.
Preferably, the kinetic control system also includes：PCB fixing devices, it is arranged on the pcb board microscope carrier, is used
In the position of the fixation pcb board to be detected, prevent from that relative move occurs between the pcb board to be detected and the pcb board microscope carrier
It is dynamic.
Preferably, the data handling system includes：
Second communication equipment, it is connected with first communication equipment, and fate is corresponded on the PCB bare boards for receiving
The image information in domain；
Image analysis processor, it is connected with second communication equipment, for corresponding to fate on the PCB bare boards
The image information in domain is parsed, to obtain raw image data, and according to default defect inspection method to the original graph
As data progress defects detection, and obtain testing result；
Memory, it connects second communication equipment and image analysis processor respectively, naked for storing the PCB
The image information and testing result of presumptive area are corresponded on plate；
And display terminal, it connects the memory, corresponds to the image of presumptive area on the PCB bare boards for showing
Information and testing result.
Preferably, the detecting system also includes：
Warning system, it is connected with described image analysis processor, for producing sound and light alarm according to the testing result
Signal.
Preferably, first communication equipment includes USB3.0 or high speed fibre data transmission interface.
PCB bare boards defect detecting system accuracy of detection of the present utility model is high, and system flase drop, loss are low, and in reality
The operation stability of production link is high.
Brief description of the drawings
Fig. 1 is the overall structure figure for the PCB bare board defect detecting systems that the utility model embodiment one is related to；
Fig. 2 is the data handling system structure chart that the utility model embodiment one is related to.
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, it is detailed now to compare accompanying drawing
Illustrate specific embodiment of the present utility model.
Embodiment one：
Fig. 1 shows PCB bare boards defect detecting system of the present utility model, and it includes：
Light-source system, it is used to build uniform shadow-free light area so that PCB bare boards P to be detected structure outline is clear；
Vision collecting system, it is used for the image information for gathering the PCB bare boards P to be detected, and is sent to, the figure
As information includes the circuit structure of the PCB bare boards P to be detected；
And data handling system 1, it is connected with the vision collecting system, for receiving the vision collecting system hair
The image information sent, and the defects of PCB bare boards P to be detected is detected according to described image information, and detected
As a result.
Specifically, the light-source system includes：
Light source bracket 21；And at least one coaxial light source 22, and each coaxial light source 22 is installed in the light
On source support 21.
Preferably, the vision collecting system includes：
At least one camera 23, and the lower section of each coaxial light source 22 is provided with a camera 23；It is each described
Camera 23 is corresponding to obtain the image information that presumptive area is corresponded on the PCB bare boards P to be detected；It is described same in the present embodiment
The quantity that presumptive area is corresponded on axle light source 22, camera 23 and the PCB bare boards P to be detected is 6, and the camera 23
Preferably area array cameras, particularly preferably high-resolution face battle array industrial camera；Axis light is formed using the coaxial light source 22 of customization
Source array, it can enter one for single coaxial light source polishing effect by multiple coaxial light source Structure Combination Designs
Step increase shooting visual field uniform illumination area；Compared to traditional strip source both sides polishing mode, illumination is more equal in its visual field
Even, the naked version circuits of PCB become apparent from, and stability is higher, thus further improve whole system and matter is detected in actual production
Amount, it can more meet the quality requirement of PCB productions at this stage；Further, can be adjusted according to the detection range of camera 23 each
The setting height(from bottom) and angle of the coaxial light source 22, realize that detection range inner light source is uniformly distributed without shadow, and it is each described coaxial
Light source 22 is connected with standard sources analog current controller, and axis light is adjusted from there through standard sources analog current controller
The brightness of source array；
First communication equipment, it is connected with each camera 23 and the data handling system 1 respectively, for obtaining
The image information of presumptive area is corresponded on the PCB bare boards P to be detected that each camera 23 obtains, and described image is believed
Breath is sent to the data handling system 1；Preferably, first communication equipment includes USB3.0 or high speed fibre data pass
Defeated interface.
Secondly, to improve the precision of detection, the detecting system also includes：
Kinetic control system, it is used for the motion for controlling the PCB bare boards P to be detected, makes the PCB bare boards P to be detected
Pass through successively from the lower section of each camera 23.
Preferably, the kinetic control system includes：
Controller 31, it is connected with each camera 23, and the controller 31 is preferably PLC；
Pcb board microscope carrier 32, it is used to carry the PCB bare boards P to be detected；
And motion leading screw 33, it is connected with the controller 31 and the pcb board microscope carrier 32 respectively, for according to institute
State controller 31 control instruction motion, drive the pcb board microscope carrier 32 to move so that the PCB bare boards P to be detected successively from
The lower section of each camera 23 passes through；Specifically, the controller 31 is by controlling the motion leading screw 33 to adjust the PCB
The translational speed and displacement of onboard 32 so that the PCB bare boards P to be detected passes sequentially through each camera 23
Lower section, and when the PCB bare boards P to be detected is located at the lower section of a camera 23, the controller 31 produces mobile complete
Signal, and the mobile signal of completing is sent to corresponding camera 23, camera 23 corresponding to triggering obtains the PCB to be detected
The image information of corresponding presumptive area on bare board P, and the camera 23 complete capture after, produce capture complete signal, and by its
Send to the controller 31, the controller 31 completes signal according to the capture and controls the pcb board microscope carrier 32 to continue to transport
It is dynamic so that the PCB bare boards P to be detected is located at the lower section of next camera 23, until all cameras 23 obtain the PCB to be detected
The image information of corresponding presumptive area on bare board P.
In addition, the kinetic control system also includes：PCB fixing devices 34, it is arranged on the pcb board microscope carrier 32,
For fixing the position of the pcb board P to be detected, prevent from occurring between the pcb board P to be detected and the pcb board microscope carrier 32
Relative movement.
Pcb board microscope carrier 32 carries PCB bare boards P to be detected and moved under the control of controller 31, its translational speed and shifting
Dynamic distance can be adjusted by controller.Pcb board fixing device 34 farthest reduces pcb board microscope carrier 32 when stopping,
The relative displacement that pcb board occurs due to inertia phase for pcb board microscope carrier 32, and machine of the pcb board microscope carrier 32 in moving process
Tool vibrates.In the case where controller 31 controls the situation of movement of pcb board carrier 32, six area array cameras realize whole PCB bare boards subregion
Shooting repeatedly is completely covered.In whole shooting process, data handling system 1 and each real-time Communication for Power of camera 23, controller 31
Control pcb board microscope carrier 32 produces mobile completion signal after completing the movement in a certain stage, is treated described in camera acquisition corresponding to triggering
The image information of the corresponding presumptive area on PCB bare boards P is detected, after the completion of capture, the controller 31 controls the pcb board to carry
Platform 32 continues to move, until all clapping a completely pcb board.
As shown in Fig. 2 the data handling system 1 includes：
Second communication equipment 11, it is connected with first communication equipment, corresponding pre- on the PCB bare boards P for receiving
Determine the image information in region；
Image analysis processor 12, it is connected with second communication equipment 11, for corresponding on the PCB bare boards P
The image information of presumptive area is parsed, to obtain raw image data, and according to default defect inspection method to described
Raw image data carries out defects detection, and obtains testing result, and the testing result includes：Whether circuit is broken and circuit
Whether connect by mistake, specifically, the testing result is comprised the following steps：
S1, described image analysis processor 12 enter according to the CAD standards pattern being generated in advance to the image information collected
Row registration correction；
S2, using method of comparison circuit is broken, the defects of connecting by mistake is detected.
Memory 13, it connects second communication equipment 11 and image analysis processor 12 respectively, for storing
State the image information and testing result that presumptive area is corresponded on PCB bare boards P；
And display terminal 14, it connects the memory 13, presumptive area is corresponded on the PCB bare boards P for showing
Image information and testing result, specifically, the display terminal 14 include with display screen industrial computer, notebook computer
Or other have the terminal of function for monitoring.
Preferably, the detecting system also includes：
Warning system 2, it is connected with described image analysis processor 12, for producing acousto-optic report according to the testing result
Alert signal, specifically, after above-mentioned image analysis processor 12 is analyzed raw image data, determines the raw image data
During upper existing defects, the defect information can be sent to the warning system 2, the warning system 2 carries out sound and light alarm, to carry
Show that user carries out timely processing.
In summary, PCB bare boards detecting system provided by the utility model has advantages below：
1st, repeatedly shot using six high-resolution faces battle array industrial camera subregion, improve accuracy of detection, ensure that PCB is naked
Plate times of exercise is minimum, reduces detection time, it is ensured that the detection to product is completed within the shortest time, and ensures shooting precision
Meet the most thin electric circuit inspection requirement of pcb board.It can be additionally used in the detection of different sized products simultaneously, debugging is convenient, is advantageous to industry
Promote.
2nd, illumination system is using customizing more coaxial light source camera arrays, polishing effect more uniformly, stably, pcb board circuit
Structure outline becomes apparent from.
3rd, mechanical oscillation in whole process are reduced using PCB fixing devices, effectively avoids the pcb board in stopped process is moved
Relative displacement occurs relative to pcb board microscope carrier, further improves shooting precision.
4th, directly using the CAD design figure of standard as examination criteria image, avoid manually gathering standard form image and draw
The error entered, accuracy of detection are high.
5th, it is more to detect product category, the Product checking of different dimensions can be realized, without changing detection platform, software
Friendly interface, manual operation are simple.
6th, automaticity is high, and whole detection is automatically performed, and artificial participation is low, reliable and stable, can be effectively saved
Human cost.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (8)
- A kind of 1. PCB bare boards defect detecting system, it is characterised in that including：Light-source system, it is used to build uniform shadow-free light area so that the structure outline of PCB bare boards to be detected is clear；Vision collecting system, it is used for the image information for gathering the PCB bare boards to be detected, and is sent to；And data handling system, it is connected with the vision collecting system, for receiving the vision collecting system transmission Image information, and the defects of PCB bare boards to be detected is detected according to described image information, and obtain testing result；The light-source system includes：Light source bracket；And at least one coaxial light source, and each coaxial light source is installed on the light source bracket；The vision collecting system includes：At least one camera, and it is provided with a camera below each coaxial light source；Each camera is corresponding Obtain the image information that presumptive area is corresponded on the PCB bare boards to be detected；First communication equipment, it is connected with each camera and the data handling system respectively, for obtaining each institute State and the image information of presumptive area corresponded on the PCB bare boards to be detected of camera acquisition, and by described image information send to The data handling system.
- 2. detecting system according to claim 1, it is characterised in that：The camera is area array cameras.
- 3. detecting system according to claim 1, it is characterised in that：The detecting system also includes：Kinetic control system, it is used for the motion for controlling the PCB bare boards to be detected, make the PCB bare boards to be detected successively from Pass through below each camera.
- 4. detecting system according to claim 3, it is characterised in that：The kinetic control system includes：Controller；Pcb board microscope carrier, it is used to carry the PCB bare boards to be detected；And motion leading screw, it is connected with the controller and the pcb board microscope carrier respectively, for according to the controller Control instruction is moved, and drives the pcb board microscope carrier to move so that the PCB bare boards to be detected are successively from each camera Lower section passes through.
- 5. detecting system according to claim 4, it is characterised in that：The kinetic control system also includes：PCB fixes dress Put, it is arranged on the pcb board microscope carrier, for fixing the position of the pcb board to be detected, prevents the pcb board to be detected Relatively moved between the pcb board microscope carrier.
- 6. detecting system according to claim 1, it is characterised in that：The data handling system includes：Second communication equipment, it is connected with first communication equipment, and presumptive area is corresponded on the PCB bare boards for receiving Image information；Image analysis processor, it is connected with second communication equipment, for corresponding to presumptive area on the PCB bare boards Image information is parsed, to obtain raw image data, and according to default defect inspection method to the original image number According to progress defects detection, and obtain testing result；Memory, it connects second communication equipment and image analysis processor respectively, for storing the PCB bare boards The image information and testing result of corresponding presumptive area；And display terminal, it connects the memory, corresponds to the image information of presumptive area on the PCB bare boards for showing And testing result.
- 7. detecting system according to claim 6, it is characterised in that：The detecting system also includes：Warning system, it is connected with described image analysis processor, for producing sound and light alarm signal according to the testing result.
- 8. detecting system as claimed in claim 1, it is characterised in that first communication equipment includes USB3.0 or optical fiber High speed data transmission interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720727868.0U CN207036726U (en) | 2017-06-21 | 2017-06-21 | A kind of PCB bare boards defect detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720727868.0U CN207036726U (en) | 2017-06-21 | 2017-06-21 | A kind of PCB bare boards defect detecting system |
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| CN207036726U true CN207036726U (en) | 2018-02-23 |
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| CN201720727868.0U Active CN207036726U (en) | 2017-06-21 | 2017-06-21 | A kind of PCB bare boards defect detecting system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444172A (en) * | 2018-12-13 | 2019-03-08 | 苏州卓融新能源科技有限公司 | A kind of automatic optical detection device and its method suitable for artificial intelligence detection PCB |
| CN109741310A (en) * | 2018-12-27 | 2019-05-10 | 深圳市鹰眼在线电子科技有限公司 | Image processing method, system and the storage medium of pcb board |
| CN110940787A (en) * | 2019-12-29 | 2020-03-31 | 圣达电气有限公司 | Movable copper foil pinhole inspection device |
| CN111272775A (en) * | 2020-02-24 | 2020-06-12 | 上海感图网络科技有限公司 | Device and method for detecting defects of heat exchanger by using artificial intelligence |
| CN113466261A (en) * | 2021-07-26 | 2021-10-01 | 鸿安（福建）机械有限公司 | PCB board automatic checkout device |
-
2017
- 2017-06-21 CN CN201720727868.0U patent/CN207036726U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444172A (en) * | 2018-12-13 | 2019-03-08 | 苏州卓融新能源科技有限公司 | A kind of automatic optical detection device and its method suitable for artificial intelligence detection PCB |
| CN109741310A (en) * | 2018-12-27 | 2019-05-10 | 深圳市鹰眼在线电子科技有限公司 | Image processing method, system and the storage medium of pcb board |
| CN110940787A (en) * | 2019-12-29 | 2020-03-31 | 圣达电气有限公司 | Movable copper foil pinhole inspection device |
| CN111272775A (en) * | 2020-02-24 | 2020-06-12 | 上海感图网络科技有限公司 | Device and method for detecting defects of heat exchanger by using artificial intelligence |
| CN113466261A (en) * | 2021-07-26 | 2021-10-01 | 鸿安（福建）机械有限公司 | PCB board automatic checkout device |
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Effective date of registration: 20230309 Address after: 1340, No. 67, Huiyuan Street, Laiwu High-tech Zone, Jinan, Shandong Province, 250000 Patentee after: Elite vision technology (Shandong) Co.,Ltd. Address before: 518000 409-410, Building A1, Fuhai Information Port, Fuyong Street, Bao'an District, Shenzhen, Guangdong Province Patentee before: RISEYE INTELLIGENT TECHNOLOGY (SHENZHEN) Co.,Ltd. |
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