CN100585272C - Line source illumination device - Google Patents
Line source illumination device Download PDFInfo
- Publication number
- CN100585272C CN100585272C CN200810300116A CN200810300116A CN100585272C CN 100585272 C CN100585272 C CN 100585272C CN 200810300116 A CN200810300116 A CN 200810300116A CN 200810300116 A CN200810300116 A CN 200810300116A CN 100585272 C CN100585272 C CN 100585272C
- Authority
- CN
- China
- Prior art keywords
- mirror
- journey
- setting out
- cylindrical
- optical fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Optical Couplings Of Light Guides (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a precision wire light source illuminating device, comprising an illuminating optical path consisting of an optical fibre line light source and a lens of corresponding light rays. The optical fibre line light source is supported on a support, and the lens is embedded in a picture frame which is supported on a mirror bracket. The invention is characterized in that the illuminating optical path has three paths of a co-axis light illuminating optical path, an upper path light illuminating optical path and a lower path light illuminating optical path; an upper path optical fibre line light source, an on-axis optical fibre line light source and a lower path optical fibre line light source are sequentially and parallel fixed on the support from top to bottom; the ends of the upper path light illuminating optical path and the lower path light illuminating optical path are symmetrical to the side light of the co-axis light illuminating optical path for lighting, the end points of the three illuminating optical paths are converged on a same irradiated object. The invention has compact structure, precise imaging, improves illuminating effect and the utilization rate of light energy, acquires image information more really, and reduces the space occupied by the light source part through the breakover and compression of the optical paths, and can be applied in automatic optical check equipment which takes pictures from and illuminates a printing wire board.
Description
(1), technical field
The present invention is a kind of light source illuminating apparatus, particularly a kind of line source illumination device.
(2), background technology
Automated optical detects the automatic context of detection that (AOI) equipment has been applied to printed substrate widely, to enhance productivity and yields.Lighting device is the core optical component on the automated optical detection equipment, has only good illumination could guarantee to collect true and reliable circuit board drawing picture, could guarantee the validity that detects.Traditional illuminator structure complexity, bulky perhaps lacks good illumination and assembles, and perhaps lacks strict axis light illumination, perhaps lacks the side light of symmetry coupling, thereby can't realize the accurate identification to figure.
(3), summary of the invention
The objective of the invention is to detect the accurate line source illumination device a kind of imaging precision, compact conformation that provides,, improve image quality to satisfy the capture requirement of automated optical detection equipment for the automated optical of printed substrate.
Technical scheme of the present invention:
A kind of line source illumination device, lens by optical fiber cable light source and corresponding light are formed illumination path, the optical fiber cable light source is supported on the bearing, lens are set in the picture frame, picture frame is supported on the mirror holder, it is characterized in that illumination path has the axis light illumination path, the optical illumination light path of setting out on a journey, totally three of following road optical illumination light paths, the optical fiber cable light source 1 of setting out on a journey, coaxial optical fiber line source 4 and following road optical fiber cable light source 8 sequential parallel from top to bottom are fixed on the bearing 21, the afterbody of the optical illumination light path of setting out on a journey and following road optical illumination light path is the side light that is symmetrical in the axis light illumination path, and the terminal point of three illumination paths converges on the same illuminated object 24;
Above-mentioned axis light illumination path is distributed along the on-axis rays order by coaxial optical fiber line source 4, coaxial cylindrical surface mirror 5, coaxial convergence cylindrical mirror 6 and semi-transparent semi-reflecting lens 7 and forms, coaxial optical fiber line source 4 is parallel with the axis of coaxial cylindrical surface mirror 5, plane, coaxial optical fiber line source place makes coaxial cylindrical surface mirror symmetry, the protruding side of coaxial cylindrical surface mirror 5 is relative with the protruding side of coaxial convergence cylindrical mirror 6, semi-transparent semi-reflecting lens 7 is tilting to the direction of coaxial convergence cylindrical mirror 6, the reflection direction of semi-transparent semi-reflecting lens 7 is aimed at illuminated object 24, and the picture frame 13 of semi-transparent semi-reflecting lens and first mirror holder 14 are hinged;
The above-mentioned optical illumination light path of setting out on a journey, by the optical fiber cable light source 1 of setting out on a journey, the cylindrical mirror 2 of setting out on a journey, the plane mirror 3 and setting out on a journey of setting out on a journey is assembled cylindrical mirror 10 and is distributed in proper order along the light of setting out on a journey and form, the optical fiber cable light source 1 of setting out on a journey is parallel with the axis of the cylindrical mirror 2 of setting out on a journey, the set out on a journey plane, optical fiber cable light source place and the cylindrical mirror symmetry of setting out on a journey, set out on a journey the protruding side of cylindrical mirror 2 to the plane mirror 3 of setting out on a journey, the plane mirror 3 of setting out on a journey is tilting to the protruding side direction of the cylindrical mirror 2 of setting out on a journey, set out on a journey and assemble the reflection direction of the protruding side of cylindrical mirror 10 to the plane mirror 3 of setting out on a journey, the picture frame 15 and second mirror holder 16 of plane mirror of setting out on a journey is hinged, and picture frame 17 and the 3rd mirror holder 18 of assembling cylindrical mirror of setting out on a journey is hinged;
Above-mentioned road optical illumination light path down, by following road optical fiber cable light source 8, following road cylindrical mirror 9, road light distributes in proper order and forms under following road plane mirror 12 and following road convergence cylindrical mirror 11 edges, following road optical fiber cable light source 8 is parallel with the axis of following road cylindrical mirror 9, plane, optical fiber cable light source place, following road makes down road cylindrical mirror symmetry, following road plane mirror 12 is faced the protruding side of road cylindrical mirror 9 down, the protruding side direction of following road plane mirror 12 downward road cylindrical mirrors 9 is tilting, the reflection direction of downward road, the protruding side plane mirror 12 of cylindrical mirror 11 is assembled on following road, the picture frame 19 of following road plane mirror and the 3rd mirror holder 18 are hinged, and the picture frame 20 and the 3rd mirror holder 18 of following road convergence cylindrical mirror are hinged.
The above-mentioned cylindrical mirror 2 of setting out on a journey, coaxial cylindrical surface mirror 5 and following road cylindrical mirror 9 all can be connected on the 4th mirror holder 22.
The above-mentioned cylindrical mirror 2 of setting out on a journey, coaxial cylindrical surface mirror 5 and following road cylindrical mirror 9 can be collimation cylindrical mirror or common cylindrical mirror.
Above-mentioned bearing 21 can be connected as a single entity with shell 23.
This line source illumination device has solved the complex structure that conventional illuminator exists, bulky, can't realize the problem to the accurate identification of figure, has satisfied the light illumination requirement that automated optical detection equipment accurately image and rear end image are handled.
The present invention compares with common automated optical detection (AOI) device lighting apparatus, has following advantage and good effect:
1, imaging precision has good illumination to assemble, and strict axis light illumination is arranged, and also has the side light of symmetry coupling, can improve the illuminating effect and the efficiency of light energy utilization fully, can realize the accurate identification to figure.
2, capture is true, and the side light light path can be adjusted, and in certain light angle scope, at uneven characteristics about the edge corrosion in the printed substrate technology, can obtain the wiring board image information more really, has improved image quality.
3, compact conformation, volume are small and exquisite, and turnover and compression by three light paths have reduced the Lights section occupation space effectively, and have effectively reduced the complexity of exterior mechanical structure.
(4), description of drawings
Fig. 1 is a light path schematic diagram of the present invention.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is a profile schematic diagram of the present invention.
The 1-optical fiber cable light source of setting out on a journey, the 2-cylindrical mirror of setting out on a journey, the 3-plane mirror of setting out on a journey, 4-coaxial optical fiber line source, 5-coaxial cylindrical surface mirror, the coaxial convergence cylindrical mirror of 6-, the 7-semi-transparent semi-reflecting lens, optical fiber cable light source in road under the 8-, road cylindrical mirror under the 9-, the 10-convergence cylindrical mirror of setting out on a journey, cylindrical mirror is assembled on the road under the 11-, road plane mirror under the 12-, the picture frame of 13-semi-transparent semi-reflecting lens, 14-the-mirror holder, the set out on a journey picture frame of plane mirror of 15-, 16-second mirror holder, 17-sets out on a journey and assembles the picture frame of cylindrical mirror, 18-the 3rd mirror holder, the picture frame of road plane mirror under the 19-, the picture frame of cylindrical mirror is assembled on the road under the 20-, the 21-bearing, 22-the 4th mirror holder, the 23-shell, the 24-illuminated object.
(5), the specific embodiment
Embodiment is referring to Fig. 1, Fig. 2, Fig. 3, and this line source illumination device is by the set of lenses of optical fiber cable light source and corresponding light
Become illumination path, the optical fiber cable light source is supported on the bearing, lens are set in the picture frame, picture frame is supported on the mirror holder, it is characterized in that illumination path has the axis light illumination path, the optical illumination light path of setting out on a journey, totally three of road optical illumination light paths down, set out on a journey optical fiber cable light source 1, coaxial optical fiber line source 4 and following road optical fiber cable light source 8 from top to bottom sequential parallel be fixed on the bearing 21, bearing 21 can be connected as a single entity with shell 23.The afterbody of the optical illumination light path of setting out on a journey and following road optical illumination light path is the side light that is symmetrical in the axis light illumination path, and the terminal point of three illumination paths converges on the same illuminated object 24.
Above-mentioned axis light illumination path is distributed along the on-axis rays order by coaxial optical fiber line source 4, coaxial cylindrical surface mirror 5, coaxial convergence cylindrical mirror 6 and semi-transparent semi-reflecting lens 7 and forms, coaxial optical fiber line source 4 is parallel with the axis of coaxial cylindrical surface mirror 5, the protruding side of coaxial cylindrical surface mirror 5 is relative with the protruding side of coaxial convergence cylindrical mirror 6, semi-transparent semi-reflecting lens 7 is tilting to the direction of coaxial convergence cylindrical mirror 6, the reflection direction of semi-transparent semi-reflecting lens 7 is aimed at illuminated object 24, and the picture frame 13 of semi-transparent semi-reflecting lens and first mirror holder 14 are hinged.Coaxial cylindrical surface mirror axis should be strict parallel with the coaxial optical fiber line source, plane, coaxial optical fiber line source place should make coaxial cylindrical surface mirror symmetry, the corner of semi-transparent semi-reflecting lens is fine-tuning, and in order to adjust light angle, its guiding mechanism and precision are guaranteed by corresponding frame for movement.
The above-mentioned optical illumination light path of setting out on a journey, by the optical fiber cable light source 1 of setting out on a journey, the cylindrical mirror 2 of setting out on a journey, the plane mirror 3 and setting out on a journey of setting out on a journey is assembled cylindrical mirror 10 and is distributed in proper order along the light of setting out on a journey and form, the optical fiber cable light source 1 of setting out on a journey is parallel with the axis of the cylindrical mirror 2 of setting out on a journey, set out on a journey the protruding side of cylindrical mirror 2 to the plane mirror 3 of setting out on a journey, the plane mirror 3 of setting out on a journey is tilting to the protruding side direction of the cylindrical mirror 2 of setting out on a journey, set out on a journey and assemble the reflection direction of the protruding side of cylindrical mirror 10 to the plane mirror 3 of setting out on a journey, the picture frame 15 and second mirror holder 16 of plane mirror of setting out on a journey is hinged, and picture frame 17 and the 3rd mirror holder 18 of assembling cylindrical mirror of setting out on a journey is hinged.Setting out on a journey the cylindrical mirror axis should be strict parallel with the optical fiber cable light source of setting out on a journey, the plane, optical fiber cable light source place of setting out on a journey should make the cylindrical mirror symmetry of setting out on a journey, the plane reflection mirror angle of setting out on a journey and the convergence cylindrical mirror adjustable angle of setting out on a journey, in order to adjust light angle and position, its guiding mechanism and precision are guaranteed by corresponding frame for movement.
Above-mentioned road optical illumination light path down, by following road optical fiber cable light source 8, following road cylindrical mirror 9, road light distributes in proper order and forms under following road plane mirror 12 and following road convergence cylindrical mirror 11 edges, following road optical fiber cable light source 8 is parallel with the axis of following road cylindrical mirror 9, following road plane mirror 12 is faced the protruding side of road cylindrical mirror 9 down, the protruding side direction of following road plane mirror 12 downward road cylindrical mirrors 9 is tilting, the reflection direction of downward road, the protruding side plane mirror 12 of cylindrical mirror 11 is assembled on following road, the picture frame 19 of following road plane mirror and the 3rd mirror holder 18 are hinged, and the picture frame 20 and the 3rd mirror holder 18 of following road convergence cylindrical mirror are hinged.Following road cylindrical mirror axis should be strict parallel with following road optical fiber cable light source, plane, optical fiber cable light source place, following road should make down road cylindrical mirror symmetry, the cylindrical mirror adjustable angle is assembled on following road plane reflection mirror angle and following road, in order to adjust light angle and position, its guiding mechanism and precision are guaranteed by corresponding frame for movement.
The above-mentioned cylindrical mirror 2 of setting out on a journey, coaxial cylindrical surface mirror 5 and following road cylindrical mirror 9 all are connected the 4th mirror holder 22, all can substitute with collimation cylindrical mirror or other cylindrical mirror.
Of the present invention former should be used for Other Instruments the time, the plane mirror of setting out on a journey, semi-transparent semi-reflecting lens 7, road plane mirror 12 all can be alternative with other level crossing down.Set out on a journey optical fiber cable light source 1, coaxial optical fiber line source 4 and following road optical fiber cable light source 8 can replace to other light source.
Claims (4)
1. line source illumination device, lens by optical fiber cable light source and corresponding light are formed illumination path, the optical fiber cable light source is supported on the bearing, lens are set in the picture frame, picture frame is supported on the mirror holder, it is characterized in that illumination path has the axis light illumination path, the optical illumination light path of setting out on a journey, totally three of following road optical illumination light paths, the optical fiber cable light source (1) of setting out on a journey, coaxial optical fiber line source (4) and following road optical fiber cable light source (8) sequential parallel from top to bottom are fixed on the bearing (21), the afterbody of the optical illumination light path of setting out on a journey and following road optical illumination light path is the side light that is symmetrical in the axis light illumination path, and the terminal point of three illumination paths converges on the same illuminated object (24);
Above-mentioned axis light illumination path is by coaxial optical fiber line source (4), coaxial cylindrical surface mirror (5), coaxial convergence cylindrical mirror (6) and semi-transparent semi-reflecting lens (7) distribute along the on-axis rays order and form, coaxial optical fiber line source (4) is parallel with the axis of coaxial cylindrical surface mirror (5), plane, coaxial optical fiber line source place makes coaxial cylindrical surface mirror symmetry, the protruding side of coaxial cylindrical surface mirror (5) is relative with the protruding side of coaxial convergence cylindrical mirror (6), semi-transparent semi-reflecting lens (7) is tilting to the direction of coaxial convergence cylindrical mirror (6), the reflection direction of semi-transparent semi-reflecting lens (7) is aimed at illuminated object (24), and the picture frame of semi-transparent semi-reflecting lens (13) is hinged with first mirror holder (14);
The above-mentioned optical illumination light path of setting out on a journey, by the optical fiber cable light source (1) of setting out on a journey, the cylindrical mirror (2) of setting out on a journey, the plane mirror (3) and setting out on a journey of setting out on a journey is assembled cylindrical mirror (10) and is distributed in proper order along the light of setting out on a journey and form, the optical fiber cable light source (1) of setting out on a journey is parallel with the axis of the cylindrical mirror of setting out on a journey (2), the plane, optical fiber cable light source place of setting out on a journey makes the cylindrical mirror symmetry of setting out on a journey, set out on a journey the protruding side of cylindrical mirror (2) to the plane mirror of setting out on a journey (3), the plane mirror (3) of setting out on a journey is tilting to the protruding side direction of the cylindrical mirror of setting out on a journey (2), set out on a journey and assemble the reflection direction of the protruding side of cylindrical mirror (10) to the plane mirror of setting out on a journey (3), picture frame (15) and second mirror holder (16) of plane mirror of setting out on a journey is hinged, and the picture frame (17) of assembling cylindrical mirror of setting out on a journey is hinged with the 3rd mirror holder (18);
Above-mentioned road optical illumination light path down, by following road optical fiber cable light source (8), following road cylindrical mirror (9), road light distributes in proper order and forms under following road plane mirror (12) and following road convergence cylindrical mirror (11) edge, following road optical fiber cable light source (8) is parallel with the axis of following road cylindrical mirror (9), plane, optical fiber cable light source place, following road makes down road cylindrical mirror symmetry, following road plane mirror (12) is faced the protruding side of road cylindrical mirror (9) down, the protruding side direction of the downward road cylindrical mirror (9) of following road plane mirror (12) is tilting, the reflection direction of downward road, the protruding side plane mirror (12) of cylindrical mirror (11) is assembled on following road, the picture frame (19) of following road plane mirror is hinged with the 3rd mirror holder (18), and the picture frame (20) of following road convergence cylindrical mirror is hinged with the 3rd mirror holder (18).
2. line source illumination device as claimed in claim 1 is characterized in that: the above-mentioned cylindrical mirror of setting out on a journey (2), coaxial cylindrical surface mirror (5) and following road cylindrical mirror (9) all are connected on the 4th mirror holder (22).
3. line source illumination device as claimed in claim 1 or 2 is characterized in that: the above-mentioned cylindrical mirror of setting out on a journey (2), coaxial cylindrical surface mirror (5) and following road cylindrical mirror (9) are collimation cylindrical mirror or common cylindrical mirror.
4. line source illumination device as claimed in claim 3 is characterized in that: above-mentioned bearing (21) is connected as a single entity with shell (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810300116A CN100585272C (en) | 2008-01-16 | 2008-01-16 | Line source illumination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810300116A CN100585272C (en) | 2008-01-16 | 2008-01-16 | Line source illumination device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101220929A CN101220929A (en) | 2008-07-16 |
| CN100585272C true CN100585272C (en) | 2010-01-27 |
Family
ID=39630927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810300116A Expired - Fee Related CN100585272C (en) | 2008-01-16 | 2008-01-16 | Line source illumination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100585272C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956912A (en) * | 2010-05-31 | 2011-01-26 | 浙江欧威科技有限公司 | Linear CCD light source for automatic optical inspection equipment |
| CN102829447B (en) * | 2012-08-10 | 2014-04-02 | 昆山市和博电子科技有限公司 | Three-point and one-line type light source mounting mechanism |
| CN106124518A (en) * | 2016-07-26 | 2016-11-16 | 东莞乐视自动化科技有限公司 | Multi-angle line source is used in a kind of detection |
-
2008
- 2008-01-16 CN CN200810300116A patent/CN100585272C/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| AOI系统在PCB中的应用. 姚立新等.测试与测量技术，第112期. 2004 |
| AOI系统在PCB中的应用. 姚立新等.测试与测量技术，第112期. 2004 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101220929A (en) | 2008-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102095736B (en) | Dual-optical-magnification image acquisition device and image acquisition control and process system | |
| CN201058521Y (en) | Single lens image collecting device for reference alignement and detection | |
| TW418320B (en) | Dynamic three dimentional vision inspection system | |
| CN201063716Y (en) | Double lens image collection device for reference alignment and detection | |
| CN100585272C (en) | Line source illumination device | |
| CN212255868U (en) | Dark field illuminator for microscopic imaging | |
| CN201373941Y (en) | Bright/Dark visual field positive position metallographic digital microscope | |
| US6160250A (en) | Integrated optical imaging assembly | |
| CN111103292A (en) | Mobile phone defect inspection visual device based on deep learning | |
| CN200976635Y (en) | L-type single lens image collecting device for full-automatic tin paste printer | |
| CN111157535A (en) | Device and method for detecting crystal grain double-surface simultaneous aplanatic imaging and isoluminance illumination based on image combination optical element | |
| CN102227667A (en) | Light modulating device and laser processing device | |
| CN116520623A (en) | Element identification device, identification mechanism, chip mounter and identification method | |
| CN201965383U (en) | Double optical magnification image collection device and image collection control and treatment system | |
| US20220163782A1 (en) | Dark field illuminator for microscopic imaging | |
| CN202149882U (en) | Surface characteristic detecting device | |
| CN1971586A (en) | L-shaped twin-lens image collecting device used for paste solder printing | |
| CN209486396U (en) | A kind of built-in coaxial illumination line scanning lens | |
| CN217879942U (en) | Aberration correction reflector structure and electronic equipment thereof | |
| CN110806410A (en) | Optical device and method for simultaneously detecting top surface and side surface of semiconductor crystal grain | |
| CN100534121C (en) | Scanner device with floating lighting source | |
| CN200986617Y (en) | T-type single lens image collecting device for full-automatic tin paste printer | |
| CN215296239U (en) | Three-optical-path image acquisition device | |
| CN219831595U (en) | Element identification device, identification mechanism and chip mounter | |
| CN216988402U (en) | Inductance visual detection device applied to inductance dispensing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20140116 |