CN206876600U - A kind of AOI detects special All colour light source - Google Patents
A kind of AOI detects special All colour light source Download PDFInfo
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- CN206876600U CN206876600U CN201720722375.8U CN201720722375U CN206876600U CN 206876600 U CN206876600 U CN 206876600U CN 201720722375 U CN201720722375 U CN 201720722375U CN 206876600 U CN206876600 U CN 206876600U
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- aoi
- light source
- light sources
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- ccd camera
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Abstract
The utility model discloses a kind of AOI to detect special All colour light source, including an AOI light source, industrial computer, more than one CCD camera, the camera lens being installed in CCD camera, light source controller and testee, the AOI light sources upper and lower side is open, testee is arranged at the lower ending opening end of AOI light sources, CCD camera and camera lens are respectively arranged at the open top end of AOI light sources, and light source controller is used to control AOI light sources.It is uneven that the utility model solves common AOI light sources irradiation workpiece light, the problem of three-dimensional information of workpiece is not clear uniform enough, angle of the light-source angle design with workpiece into an encirclement, makes the detection image of workpiece more preferably distinguish, contrast is more readily apparent, is easy to the processing of detecting system；Light source is in different colors（The bluish-green four colors LEDs of Bai Hong）Combination irradiation workpiece, the collection of image is set the collection of detection image is had more flexibility closer to the origin color of workpiece, blast LED designs.
Description
Technical field
The utility model is used for the professional light source of Machine Vision Detection, to realize in AOI detection process for 3D images
Acquisition applications, and in particular to a kind of AOI detects special All colour light source.
Background technology
The direction of PCB to high-level, fine rule road, dense holes is developed, and tightened up want is proposed to AOI detectability
Ask.Influence AOI detectabilities mainly has three broad aspects：First, optical imaging system；2nd, software processing；3rd, mechanical system, its
In it is the most key be optical imaging system.AOI light sources play very crucial effect in optical imaging system.
Traditional AOI light sources can not meet in AOI detection process for the acquisition applications of 3D rendering.
Foreign countries have begun to the country such as research, the U.S., Japan, Israel to PCB automatic optics inspection technology very early
Substantial amounts of human and material resources and financial resources are put into.Wherein Orbotech is the public affairs that most successful is also earliest production PCB detection devices
Department.Domestic AOI researchs are started late, the product that China Electronic Science and Technology Corporation develops, have detection efficiently, it is accurate and
The characteristics such as automatic alignment.Dongguan Divine Land vision Science and Technology Ltd. is AOI first manufacturer.Domestic AOI technologies starting
In more external evening, also it is unable to catch up with foreign countries in some detection techniques.For example, production now it is conventional be detection tin cream either with or without short
Road, further requirement is that the height and area of detection tin cream in production, it is desirable to which three-dimensional stereoscopic visual imaging technique obtains tin cream
The more information of area, height and volume improves the accuracy of detection of tin cream.The country does not have also to the accuracy of detection of tin cream at present
Reach production requirement, the research stage also at the startup of three-dimensional values technology.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of AOI and detects special All colour light source, solves existing skill
Deficiency in art.
The utility model is achieved through the following technical solutions：A kind of AOI detects special All colour light source, including one
AOI light sources, industrial computer, more than one CCD camera, the camera lens being installed in CCD camera, light source controller and measured object
Body, the AOI light sources upper and lower side are open, and testee is arranged at the lower ending opening end of AOI light sources, CCD camera and camera lens
The open top end of AOI light sources is respectively arranged at, each camera lens is arranged in a crossed manner in the upper end open end of AOI light sources, light source controller
For controlling AOI light sources, industrial computer is used to control more than one CCD camera, and collects detection information；
AOI light sources include PCB lamp board, diffuser plate and light shell outer cover, and four different colours are provided with PCB lamp board
LED lamp bead, the PCB lamp board are provided with three layers, its three layers of shapes between PCB lamp board and horizontal plane in an angle, three layers of PCB lamps
Plate includes first layer LED lamp panel, second layer LED lamp panel and third layer LED lamp panel.
As preferable technical scheme, the first layer LED lamp panel and horizontal plane angle scope are 10 to 20 degree, second
Layer LED lamp panel is 40 to 50 degree with horizontal plane angle scope, and third layer LED lamp panel is 55 to 65 degree with horizontal plane angle scope.
As preferable technical scheme, the LED lamp bead of four different colours is red, blue, green, white 4 LED lamp beads.
As preferable technical scheme, three layers of PCB lamp board is set around the circle of light shell outer cover one, and testee is arranged at
The bottom middle of circular PCB lamp board.
The beneficial effects of the utility model are：The utility model solution ordinary light source irradiation workpiece light is uneven, workpiece
Three-dimensional information it is not clear uniform enough the problem of, angle of the light-source angle design with workpiece into an encirclement, make the detection of workpiece
Image is more preferably distinguished, and contrast is more readily apparent, is easy to the processing of detecting system；Light source (bluish-green four colors LED of Bai Hong in different colors
Lamp) combination irradiation workpiece, the collection of image is made the collection of detection image more closer to the origin color of workpiece, blast LED designs
Has flexibility.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the internal structure schematic diagram of the utility model AOI light sources；
Fig. 2 is the stereogram of AOI light sources of the present utility model；
Fig. 3 is overall structure diagram of the present utility model.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
As shown in figure 3, including an AOI light source 100, industrial computer 200, more than one CCD camera 300, it is installed on CCD
Camera lens 400, light source controller 500 and testee 600 on camera, the upper and lower side of AOI light sources 100 are open, testee
The lower ending opening end of AOI light sources is arranged at, the top that CCD camera 300 and camera lens 400 are respectively arranged at AOI light sources 100 is opened
Mouth end, each camera lens is arranged in a crossed manner in the upper end open end of AOI light sources, and light source controller 500 is used to control AOI light sources, industrial computer
200 are used to control more than one CCD camera 300, and collect detection information, and testee image is gathered by CCD camera, and
Its detection signal is transmitted to industrial computer and controlled, top service device end is outputed signal to by industrial computer.
In the present embodiment, as depicted in figs. 1 and 2, AOI light sources include PCB lamp board 2, and PCB lamp board 2 is provided with three layers, diffusion
Plate 3 and light shell outer cover 1, the LED lamp bead (not shown) of four different colours is provided with PCB lamp board.Four different colours
LED lamp bead is red, blue, green, white 4 LED lamp beads, and White LED is interted in redgreenblue LED, greatly increases light-source brightness.
In the present embodiment, the angle of three layers of PCB lamp board and horizontal plane is respectively：
First layer LED lamp panel is 10 to 20 degree, second layer LED lamp panel and horizontal plane angle scope with horizontal plane angle scope
It is 40 to 50 degree, third layer LED lamp panel is 55 to 65 degree with horizontal plane angle scope, by above-mentioned special angle, makes workpiece
Detection image is more preferably distinguished, and contrast is more readily apparent, is easy to the processing of detecting system.
PCB lamp board 2 is set around the circle of light shell outer cover 1 one, is less than between the LED lamp bead and testee of its upper end in one
90 degree of acute angle, testee are arranged at the bottom middle of circular PCB lamp board.So any one face of testee
Extraordinary brightness is respectively provided with, ensures uniform light, is advantageous to definition during shooting.
The beneficial effects of the utility model are：3D AOI of the present utility model detect special All colour light source, in machine vision
When judging tested defect：
1) light-source angle designs the special angle with workpiece into an enclosed, the detection image of workpiece is more preferably distinguished,
Contrast is more readily apparent, is easy to the processing of detecting system；
2) light source makes the collection of image closer to the origin of workpiece with 4 colors (red, blue, green, white) color combination irradiation workpiece
Color, light source colour combination are more rich；
3) intert White LED wherein in redgreenblue LED, greatly increase light-source brightness；
4) light source mechanism design makes the collection of detection image have more flexibility.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should all cover within the scope of protection of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of AOI detects special All colour light source, it is characterised in that：Including an AOI light source, industrial computer, more than one CCD
Camera, the camera lens being installed in CCD camera, light source controller and testee, the AOI light sources upper and lower side are open, quilt
The lower ending opening end that object is arranged at AOI light sources is surveyed, CCD camera and camera lens are respectively arranged at the open top end of AOI light sources,
Each camera lens is arranged in a crossed manner in the upper end open end of AOI light sources, and light source controller is used to control AOI light sources, and industrial computer is used to control
More than one CCD camera, and collect detection information；
AOI light sources include PCB lamp board, diffuser plate and light shell outer cover, and the LED of four different colours is provided with PCB lamp board
Pearl, the PCB lamp board are provided with three layers, its three layers of shapes between PCB lamp board and horizontal plane in an angle, three layers of PCB lamp board bag
Include first layer LED lamp panel, second layer LED lamp panel and third layer LED lamp panel.
2. AOI as claimed in claim 1 detects special All colour light source, it is characterised in that：The first layer LED lamp panel and level
Face angular range is 10 to 20 degree, and second layer LED lamp panel and horizontal plane angle scope are 40 to 50 degree, third layer LED lamp panel with
Horizontal plane angle scope is 55 to 65 degree.
3. AOI as claimed in claim 1 detects special All colour light source, it is characterised in that：The LED of four different colours
Pearl is red, blue, green, white 4 LED lamp beads.
4. AOI as claimed in claim 1 detects special All colour light source, it is characterised in that：Three layers of PCB lamp board is around light source
The circle of shell one is set, and testee is arranged at the bottom middle of circular PCB lamp board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720722375.8U CN206876600U (en) | 2017-06-21 | 2017-06-21 | A kind of AOI detects special All colour light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720722375.8U CN206876600U (en) | 2017-06-21 | 2017-06-21 | A kind of AOI detects special All colour light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206876600U true CN206876600U (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720722375.8U Expired - Fee Related CN206876600U (en) | 2017-06-21 | 2017-06-21 | A kind of AOI detects special All colour light source |
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| CN (1) | CN206876600U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131601A (en) * | 2019-05-15 | 2019-08-16 | 哈尔滨理工大学 | A kind of full-spectrum LED lighting source |
| CN111458340A (en) * | 2020-04-10 | 2020-07-28 | 广东荣旭智能技术有限公司 | Method and device for detecting appearance flaws of universal single station |
| CN114354498A (en) * | 2022-03-21 | 2022-04-15 | 成都数联云算科技有限公司 | Design method of light source for welding spot detection and welding spot detection device |
-
2017
- 2017-06-21 CN CN201720722375.8U patent/CN206876600U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131601A (en) * | 2019-05-15 | 2019-08-16 | 哈尔滨理工大学 | A kind of full-spectrum LED lighting source |
| CN111458340A (en) * | 2020-04-10 | 2020-07-28 | 广东荣旭智能技术有限公司 | Method and device for detecting appearance flaws of universal single station |
| CN114354498A (en) * | 2022-03-21 | 2022-04-15 | 成都数联云算科技有限公司 | Design method of light source for welding spot detection and welding spot detection device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20210621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |