CN206440629U - A kind of device for being used to detect the layering of plate glass board defect - Google Patents
A kind of device for being used to detect the layering of plate glass board defect Download PDFInfo
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- CN206440629U CN206440629U CN201621483597.0U CN201621483597U CN206440629U CN 206440629 U CN206440629 U CN 206440629U CN 201621483597 U CN201621483597 U CN 201621483597U CN 206440629 U CN206440629 U CN 206440629U
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- plate glass
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- camera device
- layering
- detect
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Abstract
The utility model discloses a kind of device for being used to detect the layering of plate glass board defect, some row camera devices are provided with the working face or non-working surface of plate glass plate, plate glass plate is connected with drive device, and drive device is used to drive plate glass plate to move in the horizontal direction.Solve and be difficult to judge plate glass board defect in the prior art the problem of working face or non-working surface, the utility model can distinguish working face or non-working surface of the detection defect in plate glass plate.
Description
Technical field
The utility model belongs to plate glass defect detecting technique field, more particularly to a kind of for detecting plate glass plate
The device of defect layering.
Background technology
Plate glass plate is usually used in the substrate of flat display field, such as liquid crystal glass base and Organic Light Emitting Diode glass
Substrate, it is desirable to defect of the working face of plate glass plate substantially without 1 micron and the above, non-working surface and internal permission 30 are delicate
Within and without agglomerated defects.
Plate glass plate has transparent and ultra-thin feature, commonly uses plate glass plate thickness in 0.2mm~0.7mm, this just gives
The layering of plate glass board defect brings technical problem.And as FPD is popularized, especially tablet personal computer and intelligence
Can mobile phone widely apply, the expansion in quantity of flat glass production line accelerates, this defect layered weighting technology to plate glass plate
Deduct a percentage higher requirement.
Utility model content
The purpose of this utility model is to provide a kind of device for being used to detect the layering of plate glass board defect, solved existing
Have and be difficult to judge plate glass board defect in technology the problem of working face or non-working surface, the utility model can distinguish inspection
Survey working face or non-working surface of the defect in plate glass plate.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that：
A kind of device for being used to detect the layering of plate glass board defect, sets in the working face or non-working surface of plate glass plate
There are some row camera devices, plate glass plate is connected with drive device, drive device is used to drive plate glass plate along level side
To movement.
Preferably, some row camera devices are respectively equipped with the working face and non-working surface of plate glass plate.
It is further preferred that there is 50% overlapping region the visual field of in the vertical direction adjacent rows camera device.
It is further preferred that the working face in plate glass plate is provided with odd-numbered line camera device, in the non-of plate glass plate
Working face is provided with even number line camera device.
It is further preferred that the horizontal range between the camera device of working face and the camera device of non-working surface is more than
500mm。
Preferably, in addition to for illuminating the light source of camera device scan line, camera device is connected with light source cooling device.
It is further preferred that each camera device is from 2 light sources.
Preferably, in addition to optical system, optical system is used for light that transmission flaws scatter to camera device, each images
Device is provided with single optical system.
Preferably, the camera device is line surface sweeping camera device, and pixel is within 20 microseconds.
Compared with prior art, the utility model has following beneficial technique effect：
The utility model provides a kind of device for being used to detect the layering of plate glass board defect, is filled according to defect in shooting
The plate glass plate surface of side is put into real image, in camera device dorsal part into real image and the principle of the virtual image, by plate glass plate
Side sets some row camera devices, realizes and judges defect in the working face of plate glass plate or the purpose of non-working surface.
Further, camera device is respectively provided with the both sides of plate glass plate, judged result can be checked.
Brief description of the drawings
The defect principle of stratification figure for the plate glass plate that Fig. 1 provides for the utility model.
The defect Stratified Imaging design sketch for the plate glass plate that Fig. 2 provides for the utility model.
Fig. 3 is the visual field overlapping region schematic diagram of the camera device of plate glass plate both sides.
Fig. 4 is defect layering rectification building-out value X1 ', Y1 ' schematic diagrames.
Fig. 5 is the structural representation for being used to detect the device of plate glass board defect layering that the utility model is provided.
Wherein, 1 is camera device, and 2 be light source, and 3 be light source cooling device, and 4 be air cushion bar.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
The utility model provides a kind of device for being used to detect the layering of plate glass board defect, in the work of plate glass plate
Make face or non-working surface is provided with some row camera devices 1, plate glass plate is connected with drive device, and drive device is flat for driving
Glass sheet plate is moved in the horizontal direction.
Preferably, some row camera devices 1 are respectively equipped with the working face and non-working surface of plate glass plate.
It is further preferred that there is 50% overlapping region the visual field of in the vertical direction adjacent rows camera device 1.
It is further preferred that the working face in plate glass plate is provided with odd-numbered line camera device 1CCD1, CCD3 ... CCD2n-
1, it is provided with even number line camera device 1CCD2, CCD4 ... CCD2n in the non-working surface of plate glass plate.Specific n sizes by visual field and
The breadth of plate glass plate is determined.
Now, 1 defect in plate glass plate odd side camera device 1 into 1 real image, even number side camera device 1 into 1
Real image and 1 virtual image, then the defect be layered to non-working surface.Situation is on the contrary, defect is then layered to working face.
It is further preferred that the horizontal range between the camera device 1 of working face and the camera device 1 of non-working surface is more than
500mm, it is to avoid phase mutual is interfered between 2 groups of light sources 2.
Preferably, in addition to for illuminating the light source 2 of the scan line of camera device 1, light source 2 converged through condenser system after from narrow
Projected in seam.Camera device 1 is connected with light source cooling device 3.
It is further preferred that each camera device 1 is from 2 light sources 2, light source 2 is led to camera device 1 using reflection details in a play not acted out on stage, but told through dialogues
Road detection method, the two is fixed in closing camera bellows.
Preferably, in addition to optical system, optical system is used for light that transmission flaws scatter to camera device 1, each takes the photograph
As device 1 is provided with single optical system.The change of characteristics of image is less than line surface sweeping camera device in the depth of field of optical system
Pixel Dimensions.
Preferably, the camera device 1 is line surface sweeping camera device, detects the light scattered from plate glass board defect, as
Element is within 20 microseconds.
Preferably, aggregation adjustment of the present utility model, by adjusting light path between plate glass plate and optical system, or light
Light path between system and line surface sweeping camera device.
It is described in detail with reference to principle of the present utility model：
The utility model carries out blemish surface layered weighting in the process of manufacture plate glass plate.One using reflection detection
The principle of system is as shown in Figure 1.Fig. 1, plate glass plate thickness d are generally in 0.3mm~0.7mm, the flat board in the side of camera device 1
Glass pane surface is into real image 1, in the dorsal part of camera device 1 into real image 3 and the virtual image 2, and the virtual image 2 is brighter than real image 3, and imaging effect is as schemed
Shown in 2.Because plate glass board defect is in the telecentricity position of imaging system, the virtual image 2 and real image 3 are fixed in space length m, are led to
Imaging processing techniques are crossed, the virtual image and real image are distinguished.
As shown in figure 3, the camera device 1 of both sides is expert at, scanning laterally has the implementation of 50% overlapping region, wherein 1 group strange
Several rows of camera device 1CCD1, CCD3 ... CCD2n-1 are arranged on working face, another 1 group be even number line camera device 1CCD2,
CCD4 ... CCD2n are arranged on non-working surface, and specific n sizes are determined by the breadth of visual field and plate glass plate.Work as plate glass
1 defect of plate is in odd side camera device 1 into 1 real image, and even number side is imaged 1 real image and 1 virtual image, then the defect is by surface
It is layered to the non-surface of plate glass.Imaging results are just the opposite, then defect is by skin lamination to plate glass plate working face.
The wherein one side that Fig. 4 illustrates camera device 1 and plate glass plate carries out accurate calibration.Visited in the glass side of calibration
When measuring defect, even number side and odd side camera device 1 will navigate to center X1, Y1 of identical overlapping detection regions domain dorsal part
Put, have X1 ', Y1 ' calibration bits close to the side front of camera device 1.In the camera device 1 of calibration, two between video camera and passage
X1 ' Y1 ' cross-directional length offsets will be formed.
Fig. 5 illustrates the top view of 2 groups of camera devices 1 and two light sources 2.As illustrated, every group of light source 2 can illuminate entirely
Scan line, it is ensured that camera device 1 can scan the plate glass plate in details in a play not acted out on stage, but told through dialogues region.1 group of camera device 1 of odd side and even number
The another 1 group of camera device 1 in side is distributed in both sides above and below plate glass plate, and plate glass plate is mutually shifted longitudinal direction with camera device 1,
Away from more than 500mm.Light source 2 of the row's camera device 1 of plate glass plate even number side 1 equipped with 2 symmetrical axle center of camera device 1, scanning
The whole region of plate glass plate, light source 2 transmits white light, light through converging lens pillar focusing light into line light beam from narrow slot
Source cooling device 3 is installed on below video camera.Camera device 1, light source 2, light source cooling device 3 are fixed in closing camera bellows.Will
Several air-cushion conveyors are combined on 1 transmission machine production line, and vertical gas lining bar 4 is arranged on the position of detection means.Flat board
Glass plate is transmitted by the air cushion bar 4 of conveyer, and air cushion bar 4 is vertical with the scan line of camera device 1.Hanging down near scan line
Straight air cushion bar 4 can support plate glass plate.During optical scanner, plate glass plate is conveyed to and through with 250mm/s speed
Scan line.In addition, the configuration of odd side camera device 1 and working method are ibid.
In plate glass plate Zone Full, the light for receiving defect scattering by camera device 1 is imaged.It is quick big to meet
Area detecting plate glass defect, from line scan camera shooting device 1, line scan camera shooting device 1 is in vertical flat plate glass plate direction
From narrow visual field (such as 1.0mm), the horizontal direction of parallel plate glass plate selects wide visual field (such as 77mm).In specific embodiment
In, with feature；
(a) camera device 1 selects macropore gauge structure, observes defect scattering dim light.
(b) in horizontal field of view, plate glass plate surface keeps building up state in whole visual field.
(c) camera device 1 symmetrically collects the light beam of 2 light sources 2 in plate glass plate normal position.
Because the depth of field of vertical field of view is more than plate glass plate thickness, it is ensured that horizontal field of view defect focus.By flat board
The front and back of glass plate is imaged onto line scan camera shooting device 1.
Camera device 1 selects TDI structures, and row scanning is synchronous with plate glass plate translational speed, arranges to pixel exposure intensity
Cyclic integral is carried out, the susceptibility of camera device 1 is improved, has the advantages that quickly to collect great amount of images information.The row picture of camera device 1
Plain size is less than 15 microns, can detect less than the big nibs of pixel, and by reflecting the summation with scattered light intensity, estimation lacks
Sunken size.
It should be noted that " plate glass plate " represents that being used for the flat boards such as liquid crystal display, organic light-emitting diode display shows
The glass substrate shown.
" blemish surface layering " represents that the particle and flaw of plate glass plate are in working face and non-working surface.
" light beam " represents visible ray and non-visible light.
" line surface sweeping camera device " represents that the detector for the photosensitive region being made up of pixel, including time delay integration (TDI) are taken the photograph
As device.
Claims (9)
1. it is a kind of be used for detect plate glass board defect layering device, it is characterised in that plate glass plate working face or
Non-working surface is provided with some row camera devices (1), and plate glass plate is connected with drive device, and drive device is used to drive flat board glass
Glass plate is moved in the horizontal direction.
2. the device according to claim 1 for being used to detect the layering of plate glass board defect, it is characterised in that in flat board glass
The working face and non-working surface of glass plate are respectively equipped with some row camera devices (1).
3. the device according to claim 2 for being used to detect the layering of plate glass board defect, it is characterised in that in vertical side
There is 50% overlapping region the visual field of upward adjacent rows camera device (1).
4. the device according to claim 2 for being used to detect the layering of plate glass board defect, it is characterised in that in flat board glass
The working face of glass plate is provided with odd-numbered line camera device, and even number line camera device is provided with the non-working surface of plate glass plate.
5. the device according to claim 2 for being used to detect the layering of plate glass board defect, it is characterised in that working face
Horizontal range between camera device (1) and the camera device (1) of non-working surface is more than 500mm.
6. the device according to claim 1 for being used to detect the layering of plate glass board defect, it is characterised in that also including use
In the light source (2) for illuminating camera device (1) scan line, camera device (1) is connected with light source cooling device (3).
7. the device according to claim 6 for being used to detect the layering of plate glass board defect, it is characterised in that each shooting
Device (1) is from 2 light sources (2).
8. the device according to claim 1 for being used to detect the layering of plate glass board defect, it is characterised in that also including light
System, optical system is used for the light of transmission flaws scattering to camera device (1), and each camera device (1) is provided with single light
System.
9. the device according to claim 1 for being used to detect the layering of plate glass board defect, it is characterised in that the shooting
Device (1) is line surface sweeping camera device (1), and pixel is within 20 microseconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621483597.0U CN206440629U (en) | 2016-12-30 | 2016-12-30 | A kind of device for being used to detect the layering of plate glass board defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621483597.0U CN206440629U (en) | 2016-12-30 | 2016-12-30 | A kind of device for being used to detect the layering of plate glass board defect |
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| Publication Number | Publication Date |
|---|---|
| CN206440629U true CN206440629U (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621483597.0U Active CN206440629U (en) | 2016-12-30 | 2016-12-30 | A kind of device for being used to detect the layering of plate glass board defect |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632828A (en) * | 2018-10-29 | 2019-04-16 | 彩虹显示器件股份有限公司 | A kind of plate glass defect reinspection system and reinspection method |
| CN110333248A (en) * | 2019-08-27 | 2019-10-15 | 征图新视(江苏)科技股份有限公司 | The differentiating method of glass surface defects and surface dust fall |
| CN110806412A (en) * | 2019-11-15 | 2020-02-18 | 中国工程物理研究院激光聚变研究中心 | Defect size detection method and system based on optical element |
-
2016
- 2016-12-30 CN CN201621483597.0U patent/CN206440629U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632828A (en) * | 2018-10-29 | 2019-04-16 | 彩虹显示器件股份有限公司 | A kind of plate glass defect reinspection system and reinspection method |
| CN109632828B (en) * | 2018-10-29 | 2021-11-09 | 彩虹显示器件股份有限公司 | Sheet glass defect rechecking system and rechecking method |
| CN110333248A (en) * | 2019-08-27 | 2019-10-15 | 征图新视(江苏)科技股份有限公司 | The differentiating method of glass surface defects and surface dust fall |
| CN110806412A (en) * | 2019-11-15 | 2020-02-18 | 中国工程物理研究院激光聚变研究中心 | Defect size detection method and system based on optical element |
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