CN202583075U - Fault detecting system with illumination light source - Google Patents
Fault detecting system with illumination light source Download PDFInfo
- Publication number
- CN202583075U CN202583075U CN 201220005011 CN201220005011U CN202583075U CN 202583075 U CN202583075 U CN 202583075U CN 201220005011 CN201220005011 CN 201220005011 CN 201220005011 U CN201220005011 U CN 201220005011U CN 202583075 U CN202583075 U CN 202583075U
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- determinand
- image
- optical mirror
- mirror slip
- detecting system
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Abstract
The utility model provides a fault detecting system with an illumination light source. The fault detecting system comprises a first imaging device and a second imaging, which can obtain images of an object to be detected from different directions; the illumination light source is mounted at a position which is close to the first imaging device, so as to emit illumination light beams; a first optical lens is arranged on a light path of the illumination light beam; the illumination light beam irradiates the first optical lens and then is partially reflected, so that the first imaging device obtains the image of the object to be detected; the illumination light beam partially passes through the first optical lens, and irradiates a second optical lens; and the second optical lens reflects the illumination light beam to the object to be detected, and the illumination light beam passes through the object to be detected, so that the second imaging device mounted at the other side of the object to be detected obtains the image of the object to be detected.
Description
Technical field
The utility model relates to a kind of optical alignment means, particularly a kind of defect detecting system with lighting source of obtaining the determinand image of different directions.
Background technology
Machine vision (Machine Vision) is the complex art that combines physical motion control with the computer image identification of machinery, and application is extensive.General more commonly in the application of semiconductor industry, for example to electronic package, printed circuit board (PCB)s such as all kinds of chips, integrated circuit, or lcd screen etc., carry out various defects detection such as surperficial scratch, flaw, foreign matter.
After materials and parts (or claiming determinand) get into checkout equipment via transport tape; Obtain the materials and parts image by video camera, see through the figure mathematical operations of computer equipment again, the measurement of comparing; Finding out the materials and parts with defective and warn, more than is exactly the basic procedure of Machine Vision Detection equipment.
It is a variety of that yet the defect kind of materials and parts has; Except above-mentioned kind; Concavo-convex in addition, impression, ripple or the like; Though the irradiation by light source can obtain image, the image that general checkout equipment is obtained is taken directly over materials and parts mostly, focuses on the top side of determinand or claims first side and detect.But the dorsal part of determinand or claim second side also has above-mentioned defective.Traditional practice is that the another set of detecting instrument of assembling detects to second side, settles but must move between clearancen thus, and causes difficulty and the increase on the overall volume in the design and the inconvenience of burden on the cost and upkeep operation.
The utility model content
The purpose of the utility model is to provide a kind of defect detecting system with lighting source; Utilize single light source; Just can carry out the illumination of different directions simultaneously to determinand; To obtain the image of determinand both sides, so detect the ratio that operation reduces erroneous judgement more comprehensively, the yield of product also promotes thereupon.
The utility model discloses a kind of defect detecting system, it is characterized in that comprising with lighting source:
One first image-taking device is arranged at first side of said determinand, in order to capture the image of said determinand;
One second image-taking device is arranged at second side of said determinand, with respect to said first side, in order to capture the image of said determinand;
One illuminating light source device is positioned at said first side of said determinand, is adjacent to said first image-taking device, can produce an illuminating bundle;
One first optical mirror slip is positioned at said first side of said determinand, is arranged on the light path of said illuminating bundle; And
One second optical mirror slip is positioned at said first side of said determinand;
Wherein, After said illuminating bundle is emitted to said first optical mirror slip; The said illuminating bundle of partial reflection is produced one first illumination folded light beam; And shine in the surface of said first side of said determinand, said first image-taking device utilizes the said first illumination folded light beam, and obtains the image of said first side of said determinand; After said illuminating bundle is emitted to said first optical mirror slip; With said first optical mirror slip of partial penetration; Shine again in said second optical mirror slip, and said second optical mirror slip can reflect said illuminating bundle and produce one second illumination folded light beam, shine in said determinand and from said second side and penetrate ejaculation; Said second image-taking device utilizes the said second illumination folded light beam, obtains the image of second side of said determinand.
According to the defect detecting system that the utility model disclosed with lighting source; Include first image-taking device and second image-taking device; Can obtain the image of determinand different directions respectively, illuminating light source device is adjacent to first image-taking device, produces illuminating bundle; First optical mirror slip is arranged on the light path of illuminating bundle, second optical mirror slip be arranged at first optical mirror slip near.
After illuminating bundle is emitted to first optical mirror slip, the partial reflection illuminating bundle produced the first illumination folded light beam and shine first side in determinand, first image-taking device just can utilize the first illumination folded light beam and obtain the image of determinand this moment.In addition, after illuminating bundle is emitted to first optical mirror slip, also can partial penetration first optical mirror slip, and shine in second optical mirror slip, and the second optical frames sector-meeting indirect illumination light beam produces the second illumination folded light beam and penetrates determinand.So, be installed on second image-taking device of second side of determinand, just can utilize the second illumination folded light beam, obtain the image of another direction of determinand.
In order to let the above-mentioned of the utility model and other purpose, characteristic and the advantage can be more obviously understandable, therefore will be at the concrete technology contents that specifies the utility model.
Description of drawings
Fig. 1 is the light path of the illuminating bundle of the preferred embodiment of the utility model synoptic diagram that advances.
Fig. 2 is another light path of illuminating bundle of the preferred embodiment of the utility model synoptic diagram that advances.
Drawing reference numeral
10 determinands
11 first sides
12 second sides
20 illuminating light source devices
30 first image-taking devices
31 first camera lenses
40 second image-taking devices
41 second camera lenses
50 first optical mirror slips
60 second optical mirror slips
100 illuminating bundles
110 first illumination folded light beams
120 second illumination folded light beams
Embodiment
Please refer to Fig. 1; The defect detecting system with lighting source that the utility model disclosed includes a plurality of assemblies; Mainly be arranged at first side 11 of determinand 10, include illuminating light source device 20, first image-taking device, 30, the first optical mirror slips 50 and second optical mirror slip 60.First image-taking device 30 is assemblied in directly over the determinand 10, and the front side has first camera lens 31, proofreaies and correct captured determinand image to filter.Second image-taking device 40 is arranged at second side 12 of determinand 10 and determinand 10 is carried out capture take, and obtains the image of the different directions of determinand.Also has the second corresponding camera lens 41 as side before first image-taking device, 30, the second image-taking devices 40.
Illuminating light source device 20 produces illuminating bundles 100, and the working direction of illuminating bundle 100, first side 11 of summary and determinand 10 surperficial parallel.When illuminating bundle 100 arrives in first optical mirror slip 50; First optical mirror slip 50 produces partial reflection illuminating bundle 100 the first illumination folded light beam 110; Shine behind the surface and reflection of determinand 10 first sides 11; With penetrating first optical mirror slip 50 and the direction of directive first image-taking device 30, and the working direction of the first illumination folded light beam 110, approximately with the Surface Vertical of first side 11 of determinand 10.At this moment, first image-taking device 30 promptly can utilize this first illumination folded light beam 110, obtains the image of determinand 10 first sides 11.First optical mirror slip, 50 preferablies can select the half-transparent half-reflection optical lens for use, but this half-transparent half-reflection optical lens folded light beam or let light beam penetrate, and reflectivity is greatly between 40%～60%.
Continuous please the cooperation with reference to figure 2, when the illuminating bundle 100 that illuminating light source device 20 is launched arrives at first optical mirror slip 50, also can partial penetration first optical mirror slip 50, and shine in second optical mirror slip 60.Second optical mirror slip 60 produces indirect illumination light beam 100 the second illumination folded light beam 120, and with the Surface Vertical of second side 12 of determinand 10.This second illumination folded light beam 120 penetrates determinand 10 immediately, and penetrates outwardly from second side 12 of determinand 10.Second image-taking device 40 is the second illumination folded light beam 120 capable of using, and obtains the image of determinand 10 second sides 12.About the material of second optical mirror slip 60, the preferably is optional with the optics light microscopic that is all-trans.
In the locus of this remark additionally first optical mirror slip 50 and second optical mirror slip 60, the minute surface of first optical mirror slip 50, one the first angle (not shown) of first side, 11 formations with determinand 10 is about 45 degree.Identical ground, the minute surface of second optical mirror slip 60 also constitute the second angle (not shown) of about 45 degree with first side 11 of determinand 10.
The above; Be merely the embodiment of the utility model; But the protection domain of the utility model is not limited thereto; The technician in any present technique field can expect changing or replacement in the technical scope that the utility model discloses easily, all should be encompassed within the protection domain of the utility model.Therefore the protection domain of the utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. defect detecting system with lighting source is characterized in that comprising:
One first image-taking device is arranged at first side of said determinand, in order to capture the image of said determinand;
One second image-taking device is arranged at second side of said determinand, with respect to said first side, in order to capture the image of said determinand;
One illuminating light source device is positioned at said first side of said determinand, is adjacent to said first image-taking device, can produce an illuminating bundle;
One first optical mirror slip is positioned at said first side of said determinand, is arranged on the light path of said illuminating bundle; And
One second optical mirror slip is positioned at said first side of said determinand;
Wherein, After said illuminating bundle is emitted to said first optical mirror slip; The said illuminating bundle of partial reflection is produced one first illumination folded light beam; And shine in the surface of said first side of said determinand, said first image-taking device utilizes the said first illumination folded light beam, and obtains the image of said first side of said determinand; After said illuminating bundle is emitted to said first optical mirror slip; With said first optical mirror slip of partial penetration; Shine again in said second optical mirror slip, and said second optical mirror slip can reflect said illuminating bundle and produce one second illumination folded light beam, shine in said determinand and from said second side and penetrate ejaculation; Said second image-taking device utilizes the said second illumination folded light beam, obtains the image of second side of said determinand.
2. the defect detecting system with lighting source according to claim 1 is characterized in that, said first optical mirror slip is worn semi reflective for half and learned lens.
3. the defect detecting system with lighting source according to claim 1 is characterized in that, said second optical mirror slip is the optics light microscopic that is all-trans.
4. the defect detecting system with lighting source according to claim 1 is characterized in that, the working direction of the said illuminating bundle of said illuminating light source device generation is parallel with the surface of said first side of said determinand.
5. the defect detecting system with lighting source according to claim 1 is characterized in that, the working direction of the said first illumination folded light beam is with the Surface Vertical of said first side of said determinand.
6. the defect detecting system with lighting source according to claim 1 is characterized in that, the working direction of the said second illumination folded light beam is with the Surface Vertical of said second side of said determinand.
7. the defect detecting system with lighting source according to claim 1 is characterized in that, the minute surface of said first optical mirror slip constitutes one first angle with first side of determinand.
8. the defect detecting system with lighting source according to claim 7 is characterized in that, said first angle is 45 degree.
9. the defect detecting system with lighting source according to claim 1 is characterized in that, first side of the minute surface of said second optical mirror slip and determinand constitutes one second angle.
10. the defect detecting system with lighting source according to claim 9 is characterized in that, said second angle is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220005011 CN202583075U (en) | 2012-01-06 | 2012-01-06 | Fault detecting system with illumination light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220005011 CN202583075U (en) | 2012-01-06 | 2012-01-06 | Fault detecting system with illumination light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202583075U true CN202583075U (en) | 2012-12-05 |
Family
ID=47252476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220005011 Expired - Fee Related CN202583075U (en) | 2012-01-06 | 2012-01-06 | Fault detecting system with illumination light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202583075U (en) |
-
2012
- 2012-01-06 CN CN 201220005011 patent/CN202583075U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150106 |
|
| EXPY | Termination of patent right or utility model |