CN104154466B - For the Optical devices of 3D tin cream thickness inspection machine illumination - Google Patents
For the Optical devices of 3D tin cream thickness inspection machine illumination Download PDFInfo
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- CN104154466B CN104154466B CN201410373664.2A CN201410373664A CN104154466B CN 104154466 B CN104154466 B CN 104154466B CN 201410373664 A CN201410373664 A CN 201410373664A CN 104154466 B CN104154466 B CN 104154466B
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- section bar
- aluminium section
- led lamp
- bar shell
- light source
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- Length Measuring Devices By Optical Means (AREA)
Abstract
For the optical device of 3D tin cream thickness inspection machine illumination, comprising: red LED lamp, white led lamps, LED lamp panel, aluminium section bar shell, even tabula rasa and light source fixed head; Described light source fixed head is polygonal annular structure, comprising: bottom surface and side, and described bottom surface and side are 150 degree; Described aluminium section bar shell is rectangular recess, is provided with chute in the centre of groove and edge of opening, and LED lamp panel is arranged in the chute in the middle of aluminium section bar outer casing groove, and LED is arranged in LED lamp panel, and even tabula rasa is arranged in the chute at aluminium section bar shell aperture edge; Aluminium section bar shell is fixed on the side of light source fixed head; Described red LED lamp, white led lamps and lamp aluminium section bar shell are multiple, and red LED lamp and white led lamps are alternately arranged in the aluminium section bar shell on the side being fixed on light source fixed head; The invention solves the problem that in the operation of 3D tin cream thickness inspection machine, illumination intensity is uneven.
Description
Technical field
This device relates to a kind of Optical devices, especially a kind of Optical devices for the illumination of 3D tin cream thickness inspection machine.
Background technology
Surface mounted devices is used to, and is directly welded on electronic device automatically fixing on printed circuit board (PCB) (hereinafter referred to as pcb board), as: integrated component, resistance, capacitor.Namely the welding lead not making plan be fixed on pcb board separates, and makes those electronic devices have electrode, for direct welding.The advantage of this method is, because each electronic devices and components being fixed on pcb board without the need to forming the hole be separated, reduces the size of each electronic device, the speed improving assembling significantly and make, and reduces the size of whole product.
When welding with Surface mounted devices, because each electronic device is very little, each electronic device can not be arranged on pcb board exactly; Or the amount of solder flux is too large, so that the electromotive force of two adjacent electrodes may be made too high, thus can the problems such as short circuit be caused.Therefore, after completing each device of welding, their installation and welding situation be checked, to reduce the defect rate of product.
In order to check installation and the welding situation of the device that Surface mounted devices welds, have a large amount of work to check by hand, but this is difficult to realize homogeneous craft inspection.
So, when checking the installation and welding situation of pcb board welding device, by throwing light on camera and taking pictures, and installation and the welding situation of each device to be differentiated with the photo of gained, carrying out automatic inspection process.
Summary of the invention
The invention provides a kind of Optical devices for the illumination of 3D tin cream thickness inspection machine, solve the problem that in the operation of 3D tin cream thickness inspection machine, illumination intensity is uneven.
For solving the problems of the technologies described above, technical scheme of the present invention is:
For the optical device of 3D tin cream thickness inspection machine illumination, comprising: red LED lamp, white led lamps, LED lamp panel, aluminium section bar shell, even tabula rasa and light source fixed head; Described light source fixed head is polygonal annular structure, comprising: bottom surface and side, and described bottom surface and side are 150 degree; Described aluminium section bar shell is rectangular recess, is provided with chute in the centre of groove and edge of opening, and LED lamp panel is arranged in the chute in the middle of aluminium section bar outer casing groove, and LED is arranged in LED lamp panel, and even tabula rasa is arranged in the chute at aluminium section bar shell aperture edge; Aluminium section bar shell is fixed on the side of light source fixed head; Described red LED lamp, white led lamps and lamp aluminium section bar shell are multiple, and red LED lamp and white led lamps are alternately arranged in the aluminium section bar shell on the side being fixed on light source fixed head;
Described light source fixed head is steel plate sheet metal component.
Beneficial effect of the present invention is: adopt LED solid state light emitter to provide the light of the Uniform Illumination needed for detection for 3D tin cream thickness inspection machine, avoid the metrical error caused because of the even generation shade of uneven illumination, improve 3D tin cream thickness inspection machine precision and detection efficiency.
Accompanying drawing explanation
The present invention has accompanying drawing 2 width.
Fig. 1 is structural representation of the present invention;
Fig. 2 is aluminium section bar shell mechanism schematic diagram.
In figure, sequence number illustrates: 1, red LED lamp, 2, white led lamps, 3, light source fixed head, 4, aluminium section bar shell.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described:
For the optical device of 3D tin cream thickness inspection machine illumination, comprising: red LED lamp 1, white led lamps 2, LED lamp panel (not marking in figure), aluminium section bar shell 4, even tabula rasa (not marking in figure) and light source fixed head 3; Described light source fixed head 3 is in polygonal annular structure, and comprising: bottom surface and side, described bottom surface and side are 150 degree; Described aluminium section bar shell 4 is rectangular recess, chute is provided with in the centre of groove and edge of opening, LED lamp panel is arranged in the chute in the middle of aluminium section bar shell 4 groove, and LED is arranged in LED lamp panel, and even tabula rasa is arranged in the chute of aluminium section bar shell 4 edge of opening; Aluminium section bar shell 4 is fixed on the side of light source fixed head 3; Described red LED lamp 1, white led lamps 2 and lamp aluminium section bar shell 4 are multiple, and red LED lamp 1 and white led lamps 2 are alternately arranged in the aluminium section bar shell 4 on the side being fixed on light source fixed head 3, and described light source fixed head 3 is steel plate sheet metal component.
When 3D tin cream thickness inspection machine works, first trigger white led lamps 2, the video acquisition module of 3D tin cream thickness inspection machine identifies MARK point, judge that whether the locality that pcb board is placed is correct, if correct, start red LED lamp 1, whole pcb board is taken pictures, the difference that present invention utilizes white led lamps optical wavelength and red LED lamp optical wavelength carries out Object identifying to pcb board, and the light that white led lamps 2 and red LED lamp 1 irradiate out is without shadow light, this lighting system avoids the shade produced because polishing is uneven, thus have influence on the precision of detection.
Claims (2)
1. for the Optical devices of 3D tin cream thickness inspection machine illumination, it is characterized in that, comprising: red LED lamp (1), white led lamps (2), LED lamp panel, aluminium section bar shell (4), even tabula rasa and light source fixed head (3); Described light source fixed head (3), in polygonal annular structure, comprising: bottom surface and side, and described bottom surface and side are 150 degree; Described aluminium section bar shell (4) is rectangular recess, chute is provided with in the centre of groove and edge of opening, LED lamp panel is arranged in the chute in the middle of aluminium section bar shell (4) groove, LED is arranged in LED lamp panel, and even tabula rasa is arranged in the chute of aluminium section bar shell (4) edge of opening; Aluminium section bar shell (4) is fixed on the side of light source fixed head (3); Described red LED lamp (1), white led lamps (2) and aluminium section bar shell (4) are for multiple, and red LED lamp (1) and white led lamps (2) are alternately arranged in the aluminium section bar shell (4) on the side being fixed on light source fixed head (3).
2. the Optical devices for the illumination of 3D tin cream thickness inspection machine according to claim 1, is characterized in that: described light source fixed head (3) is steel plate sheet metal component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373664.2A CN104154466B (en) | 2014-05-20 | 2014-07-31 | For the Optical devices of 3D tin cream thickness inspection machine illumination |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216847.3 | 2014-05-20 | ||
| CN201410216847 | 2014-05-20 | ||
| CN2014102168473 | 2014-05-20 | ||
| CN201410373664.2A CN104154466B (en) | 2014-05-20 | 2014-07-31 | For the Optical devices of 3D tin cream thickness inspection machine illumination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104154466A CN104154466A (en) | 2014-11-19 |
| CN104154466B true CN104154466B (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410373664.2A Active CN104154466B (en) | 2014-05-20 | 2014-07-31 | For the Optical devices of 3D tin cream thickness inspection machine illumination |
Country Status (1)
| Country | Link |
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| CN (1) | CN104154466B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008078066A (en) * | 2006-09-25 | 2008-04-03 | Kyoto Denkiki Kk | Ring-like lighting system and method of manufacturing the same |
| JP4968138B2 (en) * | 2008-03-31 | 2012-07-04 | ウシオ電機株式会社 | Illumination light source and pattern inspection apparatus using the same |
| CN101694278A (en) * | 2009-10-13 | 2010-04-14 | 上海电机学院 | Light source device used for automatic optical checking machine |
| JP5804588B2 (en) * | 2010-10-12 | 2015-11-04 | 東芝ライテック株式会社 | lighting equipment |
| CN102980103A (en) * | 2012-11-27 | 2013-03-20 | 华南理工大学 | Machine vision LED (light emitting diode) illumination source |
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2014
- 2014-07-31 CN CN201410373664.2A patent/CN104154466B/en active Active
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| Publication number | Publication date |
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| CN104154466A (en) | 2014-11-19 |
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