CN207215716U - A kind of device for FPC open defect inspections - Google Patents
A kind of device for FPC open defect inspections Download PDFInfo
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- CN207215716U CN207215716U CN201720782033.5U CN201720782033U CN207215716U CN 207215716 U CN207215716 U CN 207215716U CN 201720782033 U CN201720782033 U CN 201720782033U CN 207215716 U CN207215716 U CN 207215716U
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- light source
- fpc
- annular light
- strip
- open defect
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Abstract
The utility model discloses a kind of device for FPC open defect inspections, belongs to detection technique field, the device for FPC open defect inspections includes：At least two annular light sources, FPC mounting tables and filming apparatus.The middle part of annular light source has through hole, and FPC mounting tables are placed in below annular light source, and filming apparatus is then located at the top of through hole, the FPC to be detected irradiated through through hole shooting by annular light source.Relative to prior art, device of the present utility model for FPC open defect inspections, it can be irradiated by the setting of annular light source from circumference without dead angle Di DuiFPC surfaces, i.e. annular light source provides 360 ° of light source irradiations, the three-dimensional information of object can be protruded, solves the shadow problem diagonally irradiated, so as to detect more multiple location and further types of defect.
Description
Technical field
A kind of device for FPC open defect inspections is the utility model is related to, belongs to detection technique field.
Background technology
FPC (Flexible Printed Circuit abbreviation FPC) is using polyimides or polyester film as base
It is a kind of made of material that there is height reliability, the printed circuit board (PCB) of pliability, have that Distribution density is high, in light weight, thickness of thin, curved
The characteristics of folding endurance is good, it is used widely in each field.The characteristics of FPC is due to itself, the detection of its outward appearance is different from
Common pcb board.Traditionally, FPC is to whether there is defect with human eye to detect it.In recent years, vision-based detection is more and more faster
Ground is developed, and gradually replaces human eye to measure and judge.Vision-based detection will be ingested target and be converted into picture signal, transmission
To special image processing system, according to the information such as pixel distribution and brightness, color, it is transformed into digitized signal；Picture system
These signals are carried out with various computings to extract clarification of objective, and then controls the equipment at scene to move according to the result of differentiation
Make.
In vision-based detection, because diverse location, material are different, it is necessary to which different light sources coordinates camera mirror on identical product
Head forms different vision system collection images, and the light source that existing vision detection system is configured is generally single light source and matched somebody with somebody
Close camera lens and form complete vision detection system, for detecting the outward appearance of product.Need to replace light source in vision-based detection, adopt figure
Position also needs to move, and then whole equipment adopts figure overlong time.
To solve the above problems, the multichannel multi-angle in vision detection system disclosed in Publication No. CN104214607A
Combined light source device, including upper light source module and lower light source module.Upper light source module includes upper light shell outer cover, upper light source is installed
Seat, upper light source, light splitting piece and upper light source module bottom plate；Lower light source module includes lower light source module shell, four lower light source peaces
Fill seat, four upper light sources and lower light source module bottom plate.Wherein, 20 bar-shaped LED light source plates of four lower light sources use respectively
Individual passage is independently controlled.
However, it is above-mentioned in the prior art, four lower light sources can not carry out 360 ° from circumferential direction to monitored thing
Irradiation, the image detected is uneven, therefore the combined light source can not fully find out each position of object to be detected and lack
Fall into.
Utility model content
The technical problems to be solved in the utility model is that the multichannel multi-angle light supply apparatus of prior art can not be complete
The problem of detecting each regio defect entirely, so as to propose a kind of to be capable of detecting when being used for for more multiple location and more type flaws
The device of FPC open defect inspections.
A kind of device for FPC open defect inspections provided by the utility model, including：
Annular light source, at least two, middle part has through hole；
FPC mounting tables, it is placed in below the annular light source,
Filming apparatus, above the through hole, through through hole shooting by the FPC to be detected of annular light source irradiation.
Preferably, the annular light source includes the first annular light source close to FPC mounting tables, and is filled close to the shooting
The second annular light source put；The first annular light source and the second annular light source are coaxially disposed.
Preferably, second annular light source is diffused light source.
Preferably, be arranged in parallel strip source between the first annular light source and the second annular light source；The strip light
Source and the central axis of the annular light source keep spacing.
Preferably, it is provided with least one strip source between the first annular light source and the second annular light source.
Preferably, projection of two strip sources on FPC mounting tables is mutually perpendicular to.
Preferably, filming apparatus mounting bracket, strip source mounting bracket, and the side of first annular light source mounting bracket
Vertically it is slidably mounted on montant；Second annular light source mounting bracket can vertically be installed on strip source peace
Shelve.
Preferably, the filming apparatus mounting bracket, strip source mounting bracket, and first annular light source mounting bracket can water
It is flat to be rotatably mounted on the montant；The strip source can vertically or horizontally be slidably mounted to the strip source installation
On frame.
Preferably, in addition to by the filming apparatus picture shot is handled with the image procossing of analyzing defect type
System.
The utility model has advantages below relative to prior art：
1. the device provided by the utility model for FPC open defect inspections, including：At least two annular light sources, FPC
Mounting table and filming apparatus.The middle part of annular light source has through hole, and FPC mounting tables are placed in below annular light source, and filming apparatus is then
Positioned at the top of through hole, the FPC to be detected irradiated through through hole shooting by annular light source.It is new relative to prior art, this practicality
The device for FPC open defect inspections of type, can be from circumference without dead angle Di DuiFPC surfaces by the setting of annular light source
It is irradiated, i.e., annular light source provides 360 ° of light source irradiations, can protrude the three-dimensional information of object, solve the shade diagonally irradiated
Problem, so as to detect more multiple location and further types of defect.
2. the device provided by the utility model for FPC open defect inspections, the annular light source includes putting close to FPC
Put the first annular light source of platform, and the second annular light source close to the filming apparatus；The first annular light source and second
Annular light source is coaxially disposed.The hole that filming apparatus can pass through two annular light sources photographs what is irradiated by two annular light sources
FPC, two annular comprehensive utilizations, can be to more fully detecting FPC surfaces the defects of species.
3. the device provided by the utility model for FPC open defect inspections, second annular light source is diffused light
The defects of source, being used with first annular combination of light sources, can highlighting FPC specific locations is used for will to local uniformities such as golden faces
The inspection of the defects of very high is asked, Uniform Illumination can be provided for how domatic object, eliminate the difference that angle of reflection different band is come, also
Uniform illumination can be provided for the different gradient in FPC surfaces, the Basic examination on FPC surfaces can be met, as large area defect,
Parts missing etc..
4. the device provided by the utility model for FPC open defect inspections, the first annular light source and the second ring
Be arranged in parallel strip source between shape light source, and the light of strip source has certain directionality, suitable for recessed in imaging saliency
Convex uneven structure, inspection the defects of for foreign matter, deformation.The central axis of the strip source and the annular light source is protected
Hold spacing so that strip source will not block irradiation of the annular light source above it to FPC.
5. the device provided by the utility model for FPC open defect inspections, two strip sources are placed in FPC
Projection on platform is mutually perpendicular to, so as to highlight the concavo-convex defect on FPC surfaces from two mutually orthogonal direction irradiations.
6. the device provided by the utility model for FPC open defect inspections, filming apparatus mounting bracket, strip source peace
Shelve, and the side of first annular light source mounting bracket vertically can be slidably mounted on montant；Second ring light
Source mounting bracket can vertically be installed on strip source mounting bracket.That is, in the vertical direction, from top to bottom
Spacing between filming apparatus, first annular light source, strip source, the second annular light source and FPC mounting tables is adjustable, can basis
FPC to be detected size and the needs of detection angles, neatly adjust the vertical height of each light source and filming apparatus.
7. the device provided by the utility model for FPC open defect inspections, the filming apparatus mounting bracket, strip light
Source mounting bracket, and first annular light source mounting bracket are installed on the montant in which can horizontally rotate, and are clapped so as to adjust
Take the photograph device, strip source, the axis of first annular light source.The strip source can vertically or horizontally be slidably mounted to described
On strip source mounting bracket, when detecting FPC surface defects, the position of strip source can be adjusted with respect to strip source mounting bracket
Put, realize and FPC surface defects are more fully checked.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the device of the present utility model for FPC open defect inspections.
Reference：The first annular light sources of 11-；The annular light sources of 12- second；13- strip sources；
20-FPC mounting tables；30- filming apparatus；40- montants.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Conflict can is not formed to be combined with each other.
A kind of device for FPC open defect inspections that the present embodiment provides, as shown in figure 1, including：
Two annular light sources, FPC mounting tables 20 and filming apparatus 30.The middle part of annular light source has through hole, FPC mounting tables
20 are placed in below annular light source, and filming apparatus 30 is then located at the top of through hole, are treated through through hole shooting by annular light source irradiation
Detect FPC.Relative to prior art, the device of FPC open defect inspections is used in the present embodiment, passes through the setting of annular light source
It can be irradiated from circumference without dead angle Di DuiFPC surfaces, i.e., annular light source provides 360 ° of light sources irradiations, can protrude object
Three-dimensional information, solve the shadow problem diagonally irradiated, so as to detect more multiple location and further types of defect.The present embodiment
Annular light source be two, certainly according to being actually needed, greater number of annular light source can be set.
The shape light source includes the first annular light source 11 close to FPC mounting tables 20, and close to the filming apparatus 30
The second annular light source 12；The annular light source 12 of first annular light source 11 and second is coaxially disposed.Filming apparatus 30 can be saturating
The hole for crossing two annular light sources is photographed by the FPC of two annular light source irradiations, two annular comprehensive utilizations, can be to more comprehensively
Ground detects the defects of FPC surfaces species.
Second annular light source 12 is diffused light source, is applied in combination with first annular light source 11, it is specific can to highlight FPC
The image of opening position, for the inspection to the exigent defect of the local uniformities such as golden face, provided uniformly for how domatic object
Illumination, the difference that angle of reflection different band is come is eliminated, also can just provide for the different gradient in FPC surfaces and uniformly illuminate, can be with
Meet the Basic examination on FPC surfaces, such as large area defect, parts lack.
In the present embodiment, be arranged in parallel strip source 13 between the first annular annular light source 12 of light source 11 and second,
The light of strip source 13 has certain directionality, suitable for being imaged the rough structure of saliency, for foreign matter, deformation
The defects of inspection.The central axis of the strip source 13 and the annular light source keeps spacing so that strip source 13 is not
Irradiation of the annular light source above it to FPC can be blocked.
At least one strip source 13 is provided between the annular light source 12 of first annular light source 11 and second.This implementation
Two strip sources 13, and the lighting angle of two strip sources 13 and 40 angle at 45 ° of montant are set in example.
Projection of two strip sources 13 on FPC mounting tables 20 is mutually perpendicular to, so as to mutually be hung down from two
Straight direction irradiation highlights the concavo-convex defect on FPC surfaces.
As shown in figure 1, filming apparatus mounting bracket, strip source mounting bracket, and the side of first annular light source mounting bracket
Can vertically it be slidably mounted on montant 40；Second annular light source mounting bracket can vertically be installed on bar shaped
On light source mounting bracket.That is, in the vertical direction, filming apparatus 30 from top to bottom, first annular light source 11, strip light
Spacing between source 13, the second annular light source 12 and FPC mounting tables 20 is adjustable, size that can be according to FPC to be detected and detection
The needs of angle, neatly adjust the vertical height of each light source and filming apparatus 30.
The filming apparatus mounting bracket, strip source mounting bracket, and first annular light source mounting bracket can horizontally rotate
Ground is installed on the montant 40, so as to adjust the axis of filming apparatus 30, strip source 13, first annular light source 11
Line.The strip source 13 can be vertically or horizontally slidably mounted on the strip source mounting bracket, lacked on detection FPC surfaces
When falling into, the position of strip source 13 can be adjusted with respect to strip source mounting bracket, realizes and FPC surface defects is more fully examined
Look into.
In the present embodiment, in addition to the picture that the filming apparatus 30 is shot is handled with the figure of analyzing defect type
As processing system, after image processing system is analyzed and processed the picture that the bat of filming apparatus 30 takes, show that every FPC products are
Non-defective unit or defective products, then give respectively point to non-defective unit storehouse or non-non-defective unit storehouse.
The device for FPC open defect inspections that the present embodiment provides, FPC surfaces are highlighted by the irradiation of combined light source
Heterochromatic, damaged, dirty, foreign matter, folding line, impression, cut, bumps the defects of, improve the accuracys rate of FPC open defect inspections.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (8)
- A kind of 1. device for FPC open defect inspections, it is characterised in that including：Annular light source, at least two, middle part has through hole；FPC mounting tables (20), it is placed in below the annular light source,Filming apparatus (30), above the through hole, through through hole shooting by the FPC to be detected of annular light source irradiation；The annular light source includes the first annular light source (11) close to FPC mounting tables (20), and close to the filming apparatus (30) the second annular light source (12)；It is arranged between the first annular light source (11) and the second annular light source (12) at least One strip source (13).
- 2. the device according to claim 1 for FPC open defect inspections, it is characterised in that the first annular light Source (11) and the second annular light source (12) are coaxially disposed.
- 3. the device according to claim 2 for FPC open defect inspections, it is characterised in that second ring light Source (12) is diffused light source.
- 4. the device for FPC open defect inspections according to any one of claim 1-3, it is characterised in that described Strip source (13) be arranged in parallel, and the strip source (13) and the central axis of the annular light source keep spacing.
- 5. the device for FPC open defect inspections according to any one of claim 1-3, it is characterised in that described Strip source (3) is at least two, and projection of two strip sources (13) on FPC mounting tables (20) is mutually perpendicular to.
- 6. the device for FPC open defect inspections according to any one of claim 1-3, it is characterised in that shooting Device mounting bracket, strip source mounting bracket, and the side of first annular light source mounting bracket vertically can slidably pacify Loaded on montant (40)；Second annular light source mounting bracket can vertically be installed on strip source mounting bracket.
- 7. the device according to claim 6 for FPC open defect inspections, it is characterised in that the filming apparatus peace Shelve, strip source mounting bracket, and first annular light source mounting bracket is installed on the montant (40) in which can horizontally rotate； The strip source can be vertically or horizontally slidably mounted on the strip source mounting bracket.
- 8. according to any described device for FPC open defect inspections in claim 1-3, it is characterised in that also include The picture that the filming apparatus is shot is handled with the image processing system of analyzing defect type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720782033.5U CN207215716U (en) | 2017-06-30 | 2017-06-30 | A kind of device for FPC open defect inspections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720782033.5U CN207215716U (en) | 2017-06-30 | 2017-06-30 | A kind of device for FPC open defect inspections |
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| Publication Number | Publication Date |
|---|---|
| CN207215716U true CN207215716U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720782033.5U Active CN207215716U (en) | 2017-06-30 | 2017-06-30 | A kind of device for FPC open defect inspections |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153069A (en) * | 2017-06-30 | 2017-09-12 | 苏州优纳科技有限公司 | A kind of device checked for FPC open defects |
| CN109781739A (en) * | 2019-03-04 | 2019-05-21 | 杭州晶耐科光电技术有限公司 | Automobile finish surface appearance defects automatic detection system and method |
-
2017
- 2017-06-30 CN CN201720782033.5U patent/CN207215716U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153069A (en) * | 2017-06-30 | 2017-09-12 | 苏州优纳科技有限公司 | A kind of device checked for FPC open defects |
| CN109781739A (en) * | 2019-03-04 | 2019-05-21 | 杭州晶耐科光电技术有限公司 | Automobile finish surface appearance defects automatic detection system and method |
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