CN203630054U - Image acquisition device for online print detection - Google Patents
Image acquisition device for online print detection Download PDFInfo
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- CN203630054U CN203630054U CN201320864703.XU CN201320864703U CN203630054U CN 203630054 U CN203630054 U CN 203630054U CN 201320864703 U CN201320864703 U CN 201320864703U CN 203630054 U CN203630054 U CN 203630054U
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Abstract
The utility model relates to an image acquisition device for online print detection. In the print production process, an artificial random sampling and measuring method is generally adopted for detecting the print quality, so that the false detection rate is high. The image acquisition device is provided with a shading camera obscura body; the shading camera obscura body is internally provided with an image collector fixed by an image collector bracket; the image collector is arranged in the center in the shading camera obscura body; light source lamps are arranged above the image collector and on the inner wall of the shading camera obscura body, and every two light source lamps are arranged at the interval of 120 degrees; two angle meters are respectively arranged at the two sides of the each light source lamp. The image acquisition device utilizes the characteristic of uniformity of cylindrical arch spherical geometry and applies the optical principle, so that light sources are evenly distributed at the arched side in a camera obscura; the incident angles of the light sources can be adjusted according to the demand of actual project, the height of a light source distance transmission band can be adjusted, and shot environment can be changed according to the actual demand, so that image acquisition effect is good.
Description
Technical field
the utility model belongs to printed matter online measuring technique field, is specifically related to the online image acquiring device detecting of a kind of printed matter.
Background technology
In printed matter (as cigarette case, wrapping paper etc.) production run; due to the impact of the performance of different production technologies, plant equipment, workman's different factors such as manipulation ability and external environment; printed matter usually there will be various defects; such as stain, striped, cutter silk, fly China ink, dirty version, colour cast, chromatography etc., be to have produced defect ware or waste product.The object that printed matter detects will be found out above-mentioned product defective exactly.
To this, in the middle of actual production process, conventionally take the method for artificial grab sample and measurement, in the time that printed matter transmits on transport tape, by artificial grab sample, the method that re-uses artificial visually examine, Density Detection, colour measurement detects print quality.This mode takes time and effort, and can not detect all printed matter flaws, especially tiny to printed matter surface flaw, and undetected probability is very large.Due to the emerging development of digital image processing techniques, image analysis method has extended to every field, applies it to the online detection field of printed matter, can solve artificial visually examine and other difficult problems that detection method efficiency is low He loss is high, false drop rate is large.Adopt digital image processing techniques to detect online printed matter, matter of utmost importance is to obtain high-quality printed matter image.Due to printed matter motion regularly on transport tape, the bottleneck that adopts the print quality of image analysis method to detect is online to obtain clearly, the image of the uniform moving target of illumination, and then utilizes the technology of image processing to judge printed matter picture quality.
Summary of the invention
The purpose of this utility model is to provide a kind of simple to operate, flexible and convenient to use, online image acquiring device detecting of the uniform printed matter of illumination, carries out to overcome detection methods such as utilizing artificial visually examine the technological deficiency that efficiency is low, loss is high, false drop rate is large existing when print quality detects online.
The technical scheme that the utility model adopts is:
The online image acquiring device detecting of printed matter, is characterized in that:
Be provided with shading black box body, in shading black box body, be fixed with image acquisition device by image acquisition device support, image acquisition device is positioned at shading black box body center;
The inwall of image acquisition device top, shading black box body is provided with illuminator at interval of 120 °, and each illuminator both sides are provided with angle measurement equipment.
Shading black box body top is semisphere, and bottom is cylindrical, bottom opening;
Image acquisition device support is fixed on shading black box body semisphere and columniform boundary, is self-retaining place multiple connecting links that centre is stretched out downwards, and connecting link bottom is fixed with rotatable image acquisition device.
Illuminator is fixed on shading black box body semisphere and columniform boundary by erecting frame, hinge, support bar;
Shading black box body semisphere and columniform boundary are provided with an erecting frame at interval of 120 °, the hinge of adjustable-angle is installed on erecting frame, the support bar that can follow hinge adjusting angle is installed on hinge, on support bar, is provided with mounting hole, illuminator is installed in mounting hole.
Shading black box body lower sides offers the wiring gap for line.
Shading black box body outer wall is provided with handle.
The utlity model has following advantage:
The utility model utilizes the uniform feature of cylinder arch spherical geometry body, use optical principle, light source arch side in camera bellows is uniformly distributed, and can be according to Practical Project need to regulate light source incident angle, and the height that regulates light source distance transport tape, the environment of shooting can change according to actual needs.The image that the color high-definition Array CCD Camera adopting is taken is truer than general camera aspect the obtaining of color, and sharpness is more excellent than general camera, and therefore Image Acquisition effect of the present utility model is very good.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
In figure, 1-shading black box body, 2-image acquisition device support, 3-image acquisition device, 4-erecting frame, 5-hinge, 6-support bar, 7-mounting hole, 8-illuminator, 9-angle measurement equipment, 10-handle, the 11-gap of connecting up.
Embodiment
Below in conjunction with embodiment, the utility model is described in detail.
The online image acquiring device detecting of a kind of printed matter that the utility model relates to, arranges the shading black box body 1 with two faces, and shading black box body 1 top is semisphere, and bottom is cylindrical, bottom surface opening.Length and height length can be adjusted according to actual conditions, generally adopt the size of semisphere diameter 100cm, cylindrical height 150cm.Such shading black box body 1 shape, have effective elimination effect, and the geometry of shading black box body 1 is highly stable, can not cause the shake of light source for the inhomogeneous of available light, can be stable be placed on conveyer.
In shading black box body 1, be fixed with image acquisition device 3 by image acquisition device support 2, image acquisition device 3 is positioned at shading black box body 1 center.Concrete fixed form is: image acquisition device support 2 is fixed on shading black box body 1 semisphere and columniform boundary, is self-retaining place multiple connecting links that centre is stretched out downwards, and connecting link bottom is fixed with rotatable image acquisition device 3.Image acquisition device 3 adopts color high-definition Array CCD Camera.
Under effect of light, the image of captured external object projects to by optical lens on the photosensitive region of area array CCD, through Amici prism be divided into R, G, B image three-colo(u)r is imaged on respectively on 3 area array CCDs, timing sequencer produces the CCD needed pulse of working, export red (R), green (G), blue (B) 3 color image signals, adopt same egative film to carry out photolithographic exposure and process three CCD pick-up tubes.Therefore,, on same egative film, the mutual alignment of image-generating unit is identical; Due to pulsed drive, 3 CCD pick-up tubes are Complete Synchronizations, therefore, the image of collection accurately, picture is clear.
The inwall of image acquisition device 3 tops, shading black box body 1 is provided with illuminator 8 at interval of 120 °, and totally three, each illuminator 8 both sides are provided with angle measurement equipment 9.The concrete fixed form of illuminator 8 is: illuminator 8 is fixed on shading black box body 1 semisphere and columniform boundary by erecting frame 4, hinge 5, support bar 6, shading black box body 1 semisphere and columniform boundary are provided with an erecting frame 4 at interval of 120 °, totally three erecting frames 4, the hinge 5 of adjustable-angle is installed on erecting frame 4, the support bar 6 that can follow hinge adjusting angle is installed on hinge 5, on support bar 6, be provided with mounting hole 7, the interior installation illuminator 8 of mounting hole 7.Illuminator 8 is selected LED sphere shape light.
Shading black box body 1 lower sides offers the wiring gap 11 for line, wide 2-3cm, and high 4-5cm, facilitates the line of image acquiring device.
Shading black box body 1 outer wall is provided with handle 10, is convenient to the placement location of regulating device.
The utility model has used optical principle down in working order, light source arch side in camera bellows is uniformly distributed, and can regulates light source incident angle according to the needs of Practical Project, shooting effect the best.And the height of adjustable light sources Distance Transmission band, the environment of shooting can change according to actual needs.The image that the color high-definition Array CCD Camera adopting is taken is truer than general camera aspect the obtaining of color, and sharpness is than general camera excellence, and therefore Image Acquisition effect of the present utility model is very good.Device of the present utility model is placed on the falsework at the online transport tape place of detecting of printed matter image, printed on line product image just can obtain under the uniform condition of illumination.
It is cited that content of the present utility model is not limited to embodiment, and the conversion of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model instructions, is claim of the present utility model and contains.
Claims (5)
1. the online image acquiring device detecting of printed matter, is characterized in that:
Be provided with shading black box body (1), in shading black box body (1), be fixed with image acquisition device (3) by image acquisition device support (2), image acquisition device (3) is positioned at shading black box body (1) center;
The inwall of image acquisition device (3) top, shading black box body (1) is provided with illuminator (8) at interval of 120 °, and each illuminator (8) both sides are provided with angle measurement equipment (9).
2. the online image acquiring device detecting of a kind of printed matter according to claim 1, is characterized in that:
Shading black box body (1) top is semisphere, and bottom is cylindrical, bottom opening;
Image acquisition device support (2) is fixed on shading black box body (1) semisphere and columniform boundary, is self-retaining place multiple connecting links that centre is stretched out downwards, and connecting link bottom is fixed with rotatable image acquisition device (3).
3. the online image acquiring device detecting of a kind of printed matter according to claim 2, is characterized in that:
Illuminator (8) is fixed on shading black box body (1) semisphere and columniform boundary by erecting frame (4), hinge (5), support bar (6);
Shading black box body (1) semisphere and columniform boundary are provided with an erecting frame (4) at interval of 120 °, the hinge (5) of adjustable-angle is installed on erecting frame (4), the upper installation of hinge (5) can be followed the support bar (6) of hinge adjusting angle, on support bar (6), be provided with mounting hole (7), illuminator (8) is installed in mounting hole (7).
4. the online image acquiring device detecting of a kind of printed matter according to claim 3, is characterized in that:
Shading black box body (1) lower sides offers the wiring gap (11) for line.
5. the online image acquiring device detecting of a kind of printed matter according to claim 4, is characterized in that:
Shading black box body (1) outer wall is provided with handle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864703.XU CN203630054U (en) | 2013-12-26 | 2013-12-26 | Image acquisition device for online print detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864703.XU CN203630054U (en) | 2013-12-26 | 2013-12-26 | Image acquisition device for online print detection |
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| Publication Number | Publication Date |
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| CN203630054U true CN203630054U (en) | 2014-06-04 |
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| CN201320864703.XU Expired - Lifetime CN203630054U (en) | 2013-12-26 | 2013-12-26 | Image acquisition device for online print detection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502350A (en) * | 2014-12-16 | 2015-04-08 | 公安部交通管理科学研究所 | Authentication device and identification method of motor vehicle license plate sequence tags |
| CN110609128A (en) * | 2019-10-14 | 2019-12-24 | 武汉市天泉慧源环保科技有限公司 | Water quality safety monitor |
| CN111289536A (en) * | 2020-04-07 | 2020-06-16 | 深圳回收宝科技有限公司 | Defect detection device of electronic equipment screen |
| CN112395909A (en) * | 2019-08-14 | 2021-02-23 | 华晨宝马汽车有限公司 | Character recognition system and method |
-
2013
- 2013-12-26 CN CN201320864703.XU patent/CN203630054U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502350A (en) * | 2014-12-16 | 2015-04-08 | 公安部交通管理科学研究所 | Authentication device and identification method of motor vehicle license plate sequence tags |
| CN112395909A (en) * | 2019-08-14 | 2021-02-23 | 华晨宝马汽车有限公司 | Character recognition system and method |
| CN110609128A (en) * | 2019-10-14 | 2019-12-24 | 武汉市天泉慧源环保科技有限公司 | Water quality safety monitor |
| CN111289536A (en) * | 2020-04-07 | 2020-06-16 | 深圳回收宝科技有限公司 | Defect detection device of electronic equipment screen |
| CN111289536B (en) * | 2020-04-07 | 2021-10-26 | 深圳回收宝科技有限公司 | Defect detection device of electronic equipment screen |
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Granted publication date: 20140604 |