CN205808960U - A kind of optical detection apparatus - Google Patents
A kind of optical detection apparatus Download PDFInfo
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- CN205808960U CN205808960U CN201620706059.7U CN201620706059U CN205808960U CN 205808960 U CN205808960 U CN 205808960U CN 201620706059 U CN201620706059 U CN 201620706059U CN 205808960 U CN205808960 U CN 205808960U
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- light source
- polariscope
- optical detection
- detection apparatus
- source generator
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Abstract
The utility model discloses a kind of optical detection apparatus, including: light source processes assembly and is sequentially arranged in the lens assembly above described light source process assembly and camera, wherein, described light source processes assembly and includes: three are used for producing, the light source generator of launching fiber light source, three polariscopes, two reflecting mirrors, one reflects anti-reflection mirror and PCB detection region, three light source generators produce optical fiber source and are projected on corresponding illuminator respectively through corresponding polariscope, then focus on the PCB on described PCB detection region, finally reflection light is in lens assembly is projected to described camera.This utility model is incident upon on pcb board to be checked through the light that polariscope filters, the light reflexing to detect in optics is made to have unified polarization characteristic, thus filter out the impact on optical detection of other spurious rays, thus strengthen the display effect of the defect on pcb board, improve Detection results.
Description
Technical field
This utility model relates to optical detection apparatus, particularly relates to a kind of optical detection apparatus.
Background technology
Automatic optics inspection is novel test technology based on machine vision, may be used for replacing manually on PCB production line
Detection method, detects the quality of PCB.Especially little to ultra micro, be distributed fine and closely woven circuit and carry out repeatedly, efficiently, objectively
Detection, substantially increases product quality and production efficiency.PCB detecting system based on AOI can detect copper of such as dashing forward, breach,
Short circuit, open circuit, residual copper, pin hole, thread cast-off, leakage boring, etching is excessive, undercut, size are not inconsistent, hole is broken etc. detects.When
Front automatic optics inspection quality and the efficiency of affecting: light-source system cannot meet the requirement of high brightness；Halogen light brightness big but
Life-span is short, and use and maintenance cost is big；LED light source brightness is inadequate, causes detecting system scanning imagery speed slow, and efficiency is low, it is difficult to
Meet PCB detection of process demand.But, LED light source and halogen light source are to the defect on the different substrate materials surface of pcb board and normal
Non-defective cannot be carried out distinguishing, thus cannot judge the whether qualified of pcb board exactly.Thus, one can accurately judge PCB
The optical detection apparatus that plate is the most qualified urgently occurs.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is a kind of optical detection apparatus, overcomes existing
The deficiency of technology.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of optical detection apparatus, including: light source processes assembly and is sequentially arranged in above described light source process assembly
Lens assembly and camera, wherein, described light source processes assembly and includes:
Three for producing, the light source generator of launching fiber light source, wherein light source generator one and light source occur
Device two interval is oppositely arranged, and light source generator three arranges the top being positioned at light source generator one；
Three polariscopes, wherein polariscope one and polariscope two interval arrange and are positioned at described light source generator one and
Between light source generator two, described polariscope one and polariscope two correspond respectively to described light source generator one and light source is sent out
Generating apparatus two, described polariscope three is located at the inner side of described light source generator three, and is corresponded to described light source generator three；
Two reflecting mirrors, wherein said reflecting mirror one and reflecting mirror two interval arrange and are respectively arranged on described polariscope one
With between polariscope two, described reflecting mirror one and reflecting mirror two correspond respectively to described polariscope one and polariscope two, and described
Reflecting mirror one and reflecting mirror two are inclined relative to horizontal setting；
One reflects anti-reflection mirror, the inner side of described reflection is anti-reflection mirror is located at described polariscope three, and corresponding to described polariscope
Three, described reflection is anti-reflection, and mirror is inclined relative to horizontal setting；
Being positioned at the PCB detection region below described light source generator one and light source generator two, described PCB detection region is used
In placing pcb board to be detected；
Three light source generators produce optical fiber source and are projected to corresponding respectively through corresponding polariscope
On illuminator, then focusing on the pcb board on described PCB detection region, finally reflection light is projected to described phase through lens assembly
In machine.
Preferably, described lens assembly includes camera lens and is located at least in the parsing mirror above described camera lens.
Further, this optical detection apparatus also includes screwing in screwing out driving means, and described screw-in screws out driving means and uses
In the top driving described parsing mirror to be positioned at described camera lens.
Further, this optical detection apparatus also includes 360 degree of rotating driving devices, described 360 degree of rotating driving devices
The optical fiber arriving described camera is made to reach applicable photosensitive intensity for driving described parsing mirror to rotate.
Preferably, this optical detection apparatus also includes polarisation mirror control device, be used for controlling described polariscope be cut into
Corresponding described light source generator before.
Preferably, described camera is photosensitive camera.
Compared with prior art, the optical detection apparatus that this utility model provides has the advantage that
Before polarisation mirror control device makes polariscope be cut into light pricker light source, three light-beam source has unified polarization after polariscope
Characteristic, then be projected on corresponding illuminator, then focus on the PCB on PCB detection region, finally reflection light is through camera lens
Assembly is projected in camera, thus carries out detecting work.The light filtered through polariscope is incident upon on pcb board to be checked, makes reflection
Light in detecting optics has unified polarization characteristic, thus filters out the impact on optical detection of other spurious rays,
And then the display effect of the defect on enhancing pcb board, improve Detection results.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model architectural feature and technical essential, below in conjunction with the accompanying drawings and specific embodiment party
This utility model is described in detail by formula.
Fig. 1 is the schematic diagram of the optical detection apparatus disclosed in this utility model embodiment；
Fig. 2 is the structural representation that the light source disclosed in this utility model embodiment processes assembly；
Fig. 3 is the structural representation of the lens assembly disclosed in this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the present embodiment, the technical scheme in embodiment is carried out specifically, clearly and completely retouches
State.
Seeing shown in Fig. 1-3, this utility model embodiment discloses a kind of optical detection apparatus, including: light source process group
Part 1 and be sequentially arranged in light source and process the lens assembly 2 above assembly 1 and camera 3(can use photosensitive camera), wherein, light
Source processes assembly 1 and is arranged in a light source box, comprising:
Three for producing, the light source generator of launching fiber light source, wherein light source generator 1 and light source are sent out
Generating apparatus 2 12 interval is oppositely arranged, and light source generator 3 13 arranges the top being positioned at light source generator 1,
Three polariscopes, wherein polariscope 1 and polariscope 2 15 interval arrange and are positioned at light source generator 1
With between light source generator 2 12, polariscope 1 and polariscope 2 15 correspond respectively to light source generator 1 and light source
Generating means 2 12, polariscope 3 16 is located at the inner side of light source generator 3 13, and corresponding to light source generator 3 13,
Two reflecting mirrors, wherein reflecting mirror 1 and reflecting mirror 2 18 interval arrange and are respectively arranged on polariscope 1 and
Between polariscope 2 15, reflecting mirror 1 and reflecting mirror 2 18 correspond respectively to polariscope 1 and polariscope 2 15, and reflection
Mirror 1 and reflecting mirror 2 18 are inclined relative to horizontal setting；
One reflects anti-reflection mirror 19, reflects anti-reflection mirror 19 and is located at the inner side of polariscope 3 16, and corresponding to polariscope 3 16, instead
Penetrate anti-reflection mirror 19 and be inclined relative to horizontal setting；
Being positioned at the PCB detection region 6 below light source generator 1 and light source generator 2 12, PCB detection region 6 is used for
Place pcb board to be detected；
Three light source generators produce optical fiber source and are projected to corresponding respectively through corresponding polariscope
On illuminator, then focusing on the pcb board on PCB detection region 6, finally reflection light is in lens assembly 2 is projected to camera 3.
Wherein, lens assembly 2 includes camera lens 21 and is located at least in the parsing mirror 22 above camera lens 21.
This optical detection apparatus also includes screwing in screwing out driving means 4, screws in back-out driving means 4 and is used for driving parsing mirror
22 tops being positioned at camera lens 21.
This optical detection apparatus also includes that 5,360 degree of rotating driving devices 5 of 360 degree of rotating driving devices are used for driving parsing
Mirror 22 rotates and makes the optical fiber arriving camera 3 reach applicable photosensitive intensity.
This optical detection apparatus also includes polarisation mirror control device (not shown), be used for controlling polariscope be cut into
Corresponding light source generator before.
Operation principle of the present utility model is as follows:
Before polarisation mirror control device makes polariscope be cut into light pricker light source, three light-beam source has unified polarization after polariscope
Characteristic, then be projected on corresponding illuminator, then focus on the pcb board on PCB detection region 6, finally reflection light warp
Lens assembly 2 is projected in camera 3.Concrete, light source generator 1, light source generator 2 12, light source generator
3 13 difference launching fiber light sources are respectively through polariscope 1, polariscope 2 15 and polariscope 3 16, then are projeced into anti-respectively
Penetrating mirror 1, reflecting mirror 2 18 and reflect on anti-reflection mirror 19, the most all focusing on pcb board, finally reflection light is through camera lens successively
It is projected in photosensitive camera with resolving mirror, thus carries out detecting work.The light filtered through polariscope is incident upon pcb board to be checked
On, make to reflex to detect the light in optics and there is unified polarization characteristic, thus filter out other spurious rays and optics is examined
The display effect of the defect in the impact surveyed, and then enhancing pcb board, improves Detection results.
Above-mentioned detailed description of the invention, only illustrates technology of the present utility model design and architectural feature, it is therefore intended that allow ripe
The stakeholder knowing technique can implement according to this, but above said content is not limiting as protection domain of the present utility model,
Every any equivalence change made according to spirit of the present utility model or modification, all should fall into protection of the present utility model
Within the scope of.
Claims (9)
1. an optical detection apparatus, it is characterised in that including: light source processes assembly and is sequentially arranged in described light source process group
Lens assembly above part and camera, wherein, described light source process assembly include three for producing, the light of launching fiber light source
Source generating means, wherein light source generator one and light source generator two interval are oppositely arranged, and light source generator three is arranged
It is positioned at the top of light source generator one.
A kind of optical detection apparatus, it is characterised in that: described light source processes assembly and includes polariscope
One, polariscope two and polariscope three, wherein polariscope one and polariscope two interval arrange and are positioned at described light source generator one
With between light source generator two, described polariscope one and polariscope two correspond respectively to described light source generator one and light source
Generating means two, described polariscope three is located at the inner side of described light source generator three, and is corresponded to described light source generator
Three.
A kind of optical detection apparatus, it is characterised in that: described light source processes assembly and includes reflecting mirror
One and reflecting mirror two, described reflecting mirror one and reflecting mirror two interval arrange and are respectively arranged on described polariscope one and polariscope two
Between, described reflecting mirror one and reflecting mirror two correspond respectively to described polariscope one and polariscope two, and described reflecting mirror one He
Reflecting mirror two is inclined relative to horizontal setting.
A kind of optical detection apparatus, it is characterised in that: described optical detection apparatus includes a reflection
Anti-reflection mirror and PCB detection region, the inner side of described reflection is anti-reflection mirror is located at described polariscope three, and corresponding to described polariscope three,
Described reflection is anti-reflection, and mirror is inclined relative to horizontal setting；
Described PCB detection region is positioned at below light source generator one and light source generator two, and PCB detection region is used for placing to be checked
The pcb board surveyed.
A kind of optical detection apparatus the most according to claim 1, it is characterised in that described lens assembly includes camera lens and extremely
It is positioned at the parsing mirror above described camera lens less.
A kind of optical detection apparatus the most according to claim 5, it is characterised in that this optical detection apparatus also includes screwing in
Screwing out driving means, described screw-in screws out driving means for driving described parsing mirror to be positioned at the top of described camera lens.
A kind of optical detection apparatus the most according to claim 5, it is characterised in that this optical detection apparatus also includes 360
Degree rotating driving device, described 360 degree of rotating driving devices are used for driving described parsing mirror to rotate and make to arrive described camera
Optical fiber reach applicable photosensitive intensity.
A kind of optical detection apparatus the most according to claim 1, it is characterised in that this optical detection apparatus also includes polarisation
Mirror control device, is used for controlling before described polariscope is cut into corresponding described light source generator.
A kind of optical detection apparatus the most according to claim 1, it is characterised in that described camera is photosensitive camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706059.7U CN205808960U (en) | 2016-07-06 | 2016-07-06 | A kind of optical detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706059.7U CN205808960U (en) | 2016-07-06 | 2016-07-06 | A kind of optical detection apparatus |
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| Publication Number | Publication Date |
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| CN205808960U true CN205808960U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620706059.7U Active CN205808960U (en) | 2016-07-06 | 2016-07-06 | A kind of optical detection apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018434A (en) * | 2016-07-06 | 2016-10-12 | 康代影像科技(苏州)有限公司 | Optical detection equipment |
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2016
- 2016-07-06 CN CN201620706059.7U patent/CN205808960U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018434A (en) * | 2016-07-06 | 2016-10-12 | 康代影像科技(苏州)有限公司 | Optical detection equipment |
| CN106018434B (en) * | 2016-07-06 | 2018-12-28 | 康代影像科技(苏州)有限公司 | A kind of optical detection apparatus |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215000 No.1 Kezhi Road, Suzhou Industrial Park, Jiangsu Province Patentee after: Suzhou Kangdai Intelligent Technology Co., Ltd Address before: Techrich Road Industrial Park in Suzhou city of Jiangsu Province, No. 1 215400 Patentee before: Kangdai Imaging Technology (Suzhou) Co., Ltd. |