CN202165925U - Light source device for tin-spraying printed circuit board appearance-detecting machine - Google Patents
Light source device for tin-spraying printed circuit board appearance-detecting machine Download PDFInfo
- Publication number
- CN202165925U CN202165925U CN201120227189XU CN201120227189U CN202165925U CN 202165925 U CN202165925 U CN 202165925U CN 201120227189X U CN201120227189X U CN 201120227189XU CN 201120227189 U CN201120227189 U CN 201120227189U CN 202165925 U CN202165925 U CN 202165925U
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- light source
- aluminium base
- domes
- semicircle
- aluminum substrate
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Abstract
The utility model provides a light source device for a tin-spraying printed circuit board appearance-detecting machine, which is characterized by comprising an aluminum substrate adopting a semicircular arched structure. The inner cambered surface of the aluminum substrate is uniformly equipped with LED luminous tubes. An axial strip-shaped CCD shooting window hole is arranged at a deflecting angle alpha of 15-30 degrees with respect to the vertical midline of the aluminum substrate. Radiating fins are arranged at intervals on the external cambered surface of the aluminum substrate. The inner cambered surface of the aluminum substrate is equipped with a diffusion plate for filtering an LED light source. Compared with the light sources of conventional fluorescent tubes, the surface area and the brightness of a light source are increased by several times through LED luminous tubes arranged on the inner cambered surface of the aluminum substrate. Meanwhile, light emitted by the LED light source is filtered through the diffusion plate covered on the surface of the light source so as to be uniform and soft. Obtained Linear CCD images illuminated by the light source device are better in color and uniformity and are more real, thereby facilitating the analysis and the processing performed through computer software so as to realize the accurate software analysis.
Description
Technical field
The utility model relates to the light supply apparatus of printed substrate automatic shape inspection machine testing, especially a kind of light supply apparatus that is applicable to the machine examination of spray tin printed substrate outward appearance.
Background technology
As everyone knows, all electric equipments or control system all want the application of printed wiring board, and for guaranteeing wiring board stability and the life-span in use, printed substrate all need carry out outward appearance and detect before dispatching from the factory, and underproof wiring board is selected scrapped or repair.At present, the printed substrate outward appearance detects the main dual mode that adopts, and a kind of is to adopt visual inspection, and another kind is to adopt the automatic shape inspection machine to carry out machine examination.But these two kinds of modes all have the part defective:
One, for visual inspection, its defective is bigger to people's dependence, and speed is slow, and quality is unstable.In addition, long eyesight and cervical vertebra to the people exerts an influence the working time.
Two, for machine examination, normally seized printed substrate is placed and carry out under the fluorescent tube light source, appearance inspection machine is all no problem on handling to apparent smooth printed substrate; But for apparent irregular spray tin printed substrate; Because the brightness of fluorescent tube light source is not enough, on IMAQ, just there is very big problem, the image that collects is because the tin face of spray tin printed substrate is minute surface; And it is uneven; So the image that collects has part blackout phenomenon, thereby influence the analysis of software, produce false shortcoming and test leakage problem.
The utility model content
The utility model technical problem to be solved is the deficiency that remedies above-mentioned prior art, and a kind of light supply apparatus that is applicable to the machine examination of spray tin printed substrate outward appearance is provided.
The utility model solves through following technical scheme.
This characteristics of the light supply apparatus of spray tin printed substrate outward appearance machine examination that are applicable to are; Comprise half circle arched structure aluminium base; Semicircle domes aluminium base intrados is arranged and is evenly equipped with the LED luminous tube, and semicircle domes aluminium base median vertical line deviation angle alpha=15～30 degree places are provided with an axial strip CCD picked-up fenestra;
Said semicircle domes aluminium base extrados is spaced and is connected with fin;
Said semicircle domes aluminium base intrados is equipped with the diffuser plate that can filter led light source.
The technical problem of the utility model solves through following further technical scheme.
Said semicircle domes aluminium base median vertical line deviation angle alpha=17 degree places are provided with an axial strip CCD picked-up fenestra.
Said semicircle domes aluminium base connects the system of enclosing by some aluminium base stripe board and forms.
The utility model beneficial effect compared with prior art is:
This light supply apparatus of spray tin printed substrate outward appearance machine examination that is applicable to is compared with existing fluorescent tube light source; The LED several times that are distributed on the semicircle domes aluminium base intrados have increased surface of light source and light-source brightness, and the diffuser plate that covers on its light source surface then can be with becoming evenly soft after the led light source filtration.The linear ccd image color and the uniformity of picked-up are better truer under the illumination of this light supply apparatus, can rough minute surface spray tin surfaces be become smooth after capture and evenly be very beneficial for the analyzing and processing of computer software, realize accurate software analysis.The utilization of this light supply apparatus can significantly improve detection speed, improves production capacity.Simultaneously, light source life extends greatly, brings up to more than 4～5 years by original one month.
The utility model is applicable to that the concrete structure of the light supply apparatus of spray tin printed substrate outward appearance machine examination is provided by following accompanying drawing and embodiment in detail.
Description of drawings
Accompanying drawing is the light supply apparatus structural representation that is applicable to the machine examination of spray tin printed substrate outward appearance.
The specific embodiment
Can be clear that the light supply apparatus that is applicable to the machine examination of spray tin printed substrate outward appearance from accompanying drawing
Comprise the semicircle domes aluminium base 2 that surrounds by some aluminium base stripe board 1; Semicircle domes aluminium base 2 intrados are arranged and are evenly equipped with LED luminous tube 3, and semicircle domes aluminium base 2 median vertical line deviation angle alpha=17 degree places are provided with an axial strip CCD picked-up fenestra 4; Semicircle domes aluminium base 2 extrados are spaced and are connected with fin 5; Semicircle domes aluminium base 2 intrados are covered with the diffuser plate 6 that can filter led light source.
The LED luminous tube 3 that is distributed in semicircle domes aluminium base 2 intrados can enlarge surface of light source and light-source brightness; The heat sink 4 that is connected on semicircle domes aluminium base 2 extrados can satisfy the 3 operating heat radiation requirements of LED luminous tube; The function that is installed in the diffuser plate 6 of semicircle domes aluminium base 2 intrados sides is: led light source is filtered; Make led light source shine through astigmatism plate on the wiring board of below softer evenly, to satisfy CCD the printed substrate outward appearance is detected the information pickup requirement.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.Those of ordinary skill for technical field under the utility model; Under the prerequisite that does not break away from this design, make some alternative or obvious modification that are equal to; And performance or purposes are identical, all should be regarded as belonging to the scope of patent protection that the utility model is confirmed by claims of being submitted to.
Claims (3)
1. one kind is applicable to the light supply apparatus that sprays the machine examination of tin printed substrate outward appearance, it is characterized in that:
Half circle arched structure aluminium base, semicircle domes aluminium base intrados are arranged and are evenly equipped with the LED luminous tube, and semicircle domes aluminium base median vertical line deviation angle alpha=15～30 degree places are provided with an axial strip CCD picked-up fenestra;
Said semicircle domes aluminium base extrados is spaced and is connected with fin;
Said semicircle domes aluminium base intrados is equipped with the diffuser plate that can filter led light source.
2. according to the said light supply apparatus that is applicable to the machine examination of spray tin printed substrate outward appearance of claim 1, it is characterized in that:
Said semicircle domes aluminium base median vertical line deviation angle alpha=17 degree places are provided with an axial strip CCD picked-up fenestra.
3. according to claim 1 or the 2 said light supply apparatuses that are applicable to the machine examination of spray tin printed substrate outward appearance, it is characterized in that:
Said semicircle domes aluminium base connects the system of enclosing by some aluminium base stripe board and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120227189XU CN202165925U (en) | 2011-06-30 | 2011-06-30 | Light source device for tin-spraying printed circuit board appearance-detecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120227189XU CN202165925U (en) | 2011-06-30 | 2011-06-30 | Light source device for tin-spraying printed circuit board appearance-detecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202165925U true CN202165925U (en) | 2012-03-14 |
Family
ID=45801748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120227189XU Expired - Fee Related CN202165925U (en) | 2011-06-30 | 2011-06-30 | Light source device for tin-spraying printed circuit board appearance-detecting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202165925U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854148A (en) * | 2012-08-30 | 2013-01-02 | 中国农业大学 | Detection and grading system for tenderness of fresh beef based on multispectral imagery |
| CN105276414A (en) * | 2015-11-04 | 2016-01-27 | 北京华夏视科检测技术有限公司 | Illumination light source |
| CN106970084A (en) * | 2017-04-12 | 2017-07-21 | 东莞市吉洋自动化科技有限公司 | A kind of structure and its detection method of online visual inspection machine |
| CN111982535A (en) * | 2020-08-20 | 2020-11-24 | 海南热带汽车试验有限公司 | Detection device for corrosion test is reinforceed to electric motor car |
-
2011
- 2011-06-30 CN CN201120227189XU patent/CN202165925U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854148A (en) * | 2012-08-30 | 2013-01-02 | 中国农业大学 | Detection and grading system for tenderness of fresh beef based on multispectral imagery |
| CN105276414A (en) * | 2015-11-04 | 2016-01-27 | 北京华夏视科检测技术有限公司 | Illumination light source |
| CN106970084A (en) * | 2017-04-12 | 2017-07-21 | 东莞市吉洋自动化科技有限公司 | A kind of structure and its detection method of online visual inspection machine |
| CN111982535A (en) * | 2020-08-20 | 2020-11-24 | 海南热带汽车试验有限公司 | Detection device for corrosion test is reinforceed to electric motor car |
| CN111982535B (en) * | 2020-08-20 | 2022-09-13 | 海南热带汽车试验有限公司 | Detection device for corrosion test is reinforceed to electric motor car |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20200630 |