CN202512066U - CTP (computer-to-plate) plate surface detection system based on machine vision - Google Patents
CTP (computer-to-plate) plate surface detection system based on machine vision Download PDFInfo
- Publication number
- CN202512066U CN202512066U CN 201120541212 CN201120541212U CN202512066U CN 202512066 U CN202512066 U CN 202512066U CN 201120541212 CN201120541212 CN 201120541212 CN 201120541212 U CN201120541212 U CN 201120541212U CN 202512066 U CN202512066 U CN 202512066U
- Authority
- CN
- China
- Prior art keywords
- ctp
- ctp version
- image
- equipment
- machine vision
- 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
Abstract
The utility model relates to a CTP (computer-to-plate) plate surface detection system based on machine vision, which comprises image acquisition equipment, image processing equipment, system lighting equipment and a warning light, wherein the image acquisition equipment is used for acquiring original image information of a CTP plate surface, and the image processing equipment is used for processing the original image information acquired by the image acquisition equipment; and the system lighting equipment is used for providing the image acquisition equipment with imaging lighting, and the warning light is used for giving an alarm when the processing result of the image processing equipment suggests that the CTP plate surface has defects. The CTP plate surface detection system based on machine vision is matched with the traditional CTP plate production line to realize the real-time online detection of the CTP plate surface; the omission factor is reduced, the manual labor is saved, and the production cost of manufactures is reduced; and the detection accuracy is improved, and the level of industrial automation of the production line is improved.
Description
Technical field
The utility model relates to Machine Vision Detection and industrial automation field, particularly, relates to a kind of CTP version surface detecting system based on machine vision.
Background technology
CTP (Computer-to-plate) version is the abbreviation of CTP, is lithographic a kind of high-quality forme.Since coming out, world wide obtains develop rapidly, has been widely used in the printing of newspaper, magazine, books at present.In process of production, owing to reasons such as raw material quality, production technologies, CTP version surface has flaw or defective, is coated with such as taking off, stain, cut, fold etc., thereby has influenced the quality of product.
At present, domestic each CTP version manufacturer mainly still relies on the identification of workman's naked eyes for the detection of CTP version surface blemish defective.But, limited people's subjective factor influence, the situation of omission appears in regular meeting in the time of in the process that detects, and has brought very big economic loss to producer like this.And along with the continuous increase of cost of labor, the improving constantly of the CTP version production line speed of a motor vehicle thisly relies on artificial detection method more and more inadvisable purely.
In sum, existing CTP version surface detection technique exists following not enough:
1, loss is high: limited people's subjective factor, and the probability of omission is very high in the CTP version testing process;
2, cost is high: loss is high, and the economic loss of producer's meeting is big; And along with wage for workmen's growth, the cost of labor of producer also can be increasingly high;
3, accuracy of detection is low: rely on manual detection merely, accuracy of detection will certainly be very low;
4, production efficiency is low: the raising of the manual detection restriction production line speed of a motor vehicle; And CTP version production environment has mild toxicity, and long-time the detection can influence detection efficiency, also can impact the healthy of workman;
The utility model content
The technical matters that (one) will solve
To the deficiency in the existing CTP version surface detection technique, the purpose of the utility model is to propose a kind of CTP version surface detecting system based on machine vision, cooperates existing CTP version production line, realizes the real-time online on CTP version surface is detected; Reduce loss, discharge manual labor, reduce production firm's production cost; Improve accuracy of detection, improve production line industrial automation level.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of CTP version surface detecting system based on machine vision, comprises image capture device, image processing equipment, system illumination equipment and alarm lamp; Wherein,
Said image capture device is used to gather CTP version surface original image information;
Said image processing equipment is used to handle the original image information that said image capture device is gathered;
Said system illumination equipment is used to said image capture device and is provided as the picture illumination;
Said alarm lamp when being used for having flaw to occur according to the result of said image processing equipment prompting CTP version surface, carries out alarm.
Preferably, described CTP version surface detecting system based on machine vision also comprises utility appliance, and said utility appliance comprises system synchronization equipment, ink jet numbering machine and coding cognitron, UPS; Wherein,
Said synchronizer comprises synchronous box and scrambler, is used to provide the synchronous acquisition clock signal of said image capture device;
Said ink jet numbering machine is used for the result according to said image processing equipment, and the CTP version is carried out the coding sign;
Said coding cognitron is used for the identification of said ink jet numbering machine code-spraying label;
Said UPS is used for the power-off protection and the power management of total system.
Preferably, said system illumination equipment comprises in linear light sorurce, strip source and the coaxial light source at least a.
Preferably, the optical wavelength of said system illumination equipment is greater than the 450nm visible light.
Preferably, said image capture device is made up of the parallel splicing of one or more linear array CCD cameras.
Preferably, comprise information management module in the said image processing equipment, be used for the statistical study of said image processing equipment processing result image, and the control and management total system.
Preferably, said image processing equipment comprises image pick-up card and computing machine; Wherein image pick-up card is through PCI-E bus mode and computing machine communication.
(3) beneficial effect
The utility model has following advantage and beneficial effect based on the CTP version surface detecting system of machine vision:
1, need not to change existing production process, be easily installed on the CTP version production line;
2, the real-time online of realizing CTP version surface detects, and the production efficiency of production firm is provided: native system can be realized the real-time online of 30m/minCTP version production line is detected.
3, accuracy of detection is high: more than the native system acquisition precision 0.05mm, accuracy of detection reaches 0.1mm, far above present manual detection level;
4, loss is low: whole testing process is accomplished by industrial control computer or PC fully, and is unmanned for the objective factor influence, can reduce loss greatly;
5, production cost is low: loss has reduced, and reduces the economic loss of production firm; Discharge a large amount of manpowers, reduce human cost, conservative estimation, every line discharges 60 artificial labours, the annual cost 1,000,000 of practicing thrift.
Description of drawings
Fig. 1 is the structural representation of the utility model based on the CTP version surface detecting system of machine vision; Wherein, 1-image capture device; The 2-flaw; 3-system illumination equipment; The 4-ink jet numbering machine; The 5-CTP version; The 6-image processing equipment; The 7-alarm lamp; The 8-scrambler;
Fig. 2 is the utility model system works principle schematic;
Fig. 3 is the synchronous sequence synoptic diagram in the utility model;
Fig. 4 is the algorithm process process synoptic diagram in the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not the scopes of restriction the utility model.
The described CTP version surface detecting system based on machine vision of the utility model comprises image capture device, image processing equipment, system illumination equipment and alarm lamp; Wherein, said image capture device is used to gather CTP version surface original image information; Said image processing equipment is used to handle the original image information that said image capture device is gathered; Said system illumination equipment is used to said image capture device and is provided as the picture illumination; Said alarm lamp when being used for having flaw to occur according to the result of said image processing equipment prompting CTP version surface, carries out alarm.
As shown in Figure 1, described CTP version surface detecting system one embodiment based on machine vision of the utility model comprises image capture device 1, system illumination equipment 3, image processing equipment 6 and alarm lamp 7; Utility appliance comprises ink jet numbering machine 4, scrambler 8; Said image processing equipment 6 comprises information management module.Wherein: image capture device 1 is gathered the original image information on CTP version 5 surfaces; Image processing equipment 6 is used for the processing that image capture device 1 is gathered original image information; System illumination equipment 3 is used to image capture device 1 and is provided as the picture illumination; Said information management module is used for the statistical study of said image processing equipment 1 processing result image, and the control and management total system.The system works principle is as shown in Figure 2.
Wherein, system illumination equipment 3 comprises in linear light sorurce, strip source and the coaxial light source at least a, and corresponding light source controller;
Here, system illumination equipment 3 can use linear light sorurce, coaxial light source, strip source; According to CTP version characteristic, the optical wavelength of system requirements light fixture is greater than the 450nm visible light;
Particularly, the use-pattern of system illumination equipment 3 is following: according to the light characteristic of CTP, system adopts linear light sorurce, and system illumination equipment wavelength is the 570nm yellow light sources;
Here, image capture device 1 is made up of the parallel splicing of one or several linear array CCD camera, according to the number and the parameter of actual detection fabric width and line speed selection wire array CCD camera.
The system synchronization sequential is as shown in Figure 3, and production line drives scrambler and rotates, and produces synchronizing signal, after handling through synchronous box, passes to different capture cards respectively, control collecting device synchronous acquisition.
Here image processing equipment 6 comprises image pick-up card, industrial control computer or PC; And be plugged on hardware devices such as the inner internal memory of said industrial control computer or PC, hard disk, video card, wherein image pick-up card is through PCI-E bus mode and industrial control computer or PC communication.
Particularly, after the image pick-up card in the image processing equipment 6 receives the image raw information of image capture device 1, accomplish the rough handling of original image, and pass to algorithm routine through the corresponding interface.Algorithm routine is again through boundary alignment, figure image intensifying (linear stretch), binaryzation (single threshold, dual threshold, self-adaptation), removal isolated point (facing domain search), image or (removal background; Only stay flaw), series of algorithms such as morphological image handles, and information such as the picture of flaw 2 in the CTP version original image, area size, position are passed to information management software.Image processing process is as shown in Figure 4.
Information management module is used for the statistical study of said image processing equipment 1 processing result image, and the control and management total system.
Concrete, the function of statistic analysis of information management module based on the processing result image of image processing equipment 6, is done analytic statistics with the relevant information of flaw in the processing result image, and with in result's storage and the database, shows through man-machine interface.It is the monitoring management of accomplishing system that information management software also has a function.But real-time monitoring system each hardware real-time state and operating position, and realize the control and management function.
Other utility appliance comprises synchronizer, ink jet numbering machine and coding cognitron, UPS, is used for backup system and accomplishes corresponding function.
Wherein, synchronizer is used for the providing of synchronizing signal of image capture device; The function of ink jet numbering machine and coding cognitron, alarm lamp is; After the identification that image processing equipment 6 is accomplished CTP version 5 surface blemishes 2; Information management software receives the flaw result of algorithm routine; Can issue control signal of ink jet numbering machine, the position of ink jet numbering machine coding sign flaw 2 at the CTP version back side.The coding cognitron is positioned at before the piling operation, and the quality testing function to the CTP version is accomplished in the position coding of identification flaw 2.
Alarm lamp wherein: when having flaw to occur, carry out alarm according to the result prompting CTP version surface of said image processing equipment; Information management module receives the testing result on CTP version surface, when having flaw to occur, can send out a control signal to alarm lamp, and alarm lamp prompting operation person CTP version surface has flaw to occur.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and replacement, these improvement and replacement also should be regarded as the protection domain of the utility model.
Claims (6)
1. the CTP version surface detecting system based on machine vision is characterized in that, comprises image capture device, image processing equipment, system illumination equipment and alarm lamp; Wherein,
Said image capture device is used to gather CTP version surface original image information;
Said image processing equipment is used to handle the original image information that said image capture device is gathered;
Said system illumination equipment is used to said image capture device and is provided as the picture illumination;
Said alarm lamp when being used for having flaw to occur according to the result of said image processing equipment prompting CTP version surface, carries out alarm.
2. the CTP version surface detecting system based on machine vision according to claim 1 is characterized in that also comprise utility appliance, said utility appliance comprises system synchronization equipment, ink jet numbering machine and coding cognitron, UPS; Wherein,
Said synchronizer comprises synchronous box and scrambler, is used to provide the synchronous acquisition clock signal of said image capture device;
Said ink jet numbering machine is used for the result according to said image processing equipment, and the CTP version is carried out the coding sign;
Said coding cognitron is used for the identification of said ink jet numbering machine code-spraying label;
Said UPS is used for the power-off protection and the power management of total system.
3. the CTP version surface detecting system based on machine vision according to claim 1 and 2 is characterized in that said system illumination equipment comprises in linear light sorurce, strip source and the coaxial light source at least a.
4. the CTP version surface detecting system based on machine vision according to claim 3 is characterized in that the optical wavelength of said system illumination equipment is greater than the 450nm visible light.
5. the CTP version surface detecting system based on machine vision according to claim 1 is characterized in that, said image capture device is made up of the parallel splicing of one or more linear array CCD cameras.
6. the CTP version surface detecting system based on machine vision according to claim 1 is characterized in that said image processing equipment comprises image pick-up card and computing machine; Wherein image pick-up card is through PCI-E bus mode and computing machine communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120541212 CN202512066U (en) | 2011-12-21 | 2011-12-21 | CTP (computer-to-plate) plate surface detection system based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120541212 CN202512066U (en) | 2011-12-21 | 2011-12-21 | CTP (computer-to-plate) plate surface detection system based on machine vision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202512066U true CN202512066U (en) | 2012-10-31 |
Family
ID=47064544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120541212 Expired - Fee Related CN202512066U (en) | 2011-12-21 | 2011-12-21 | CTP (computer-to-plate) plate surface detection system based on machine vision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202512066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175841A (en) * | 2011-12-21 | 2013-06-26 | 北京兆维电子(集团)有限责任公司 | CTP (Computer to Plate) plate surface detection method and system based on machine vision |
| CN107526254A (en) * | 2016-06-21 | 2017-12-29 | 乐凯华光印刷科技有限公司 | A kind of detection method of the combination property of high speed online production heat-sensitive positive picture CTP plate material |
-
2011
- 2011-12-21 CN CN 201120541212 patent/CN202512066U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175841A (en) * | 2011-12-21 | 2013-06-26 | 北京兆维电子(集团)有限责任公司 | CTP (Computer to Plate) plate surface detection method and system based on machine vision |
| CN103175841B (en) * | 2011-12-21 | 2015-03-18 | 北京兆维电子(集团)有限责任公司 | CTP (Computer to Plate) plate surface detection method and system based on machine vision |
| CN107526254A (en) * | 2016-06-21 | 2017-12-29 | 乐凯华光印刷科技有限公司 | A kind of detection method of the combination property of high speed online production heat-sensitive positive picture CTP plate material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103175850A (en) | Detection method and system for material surface detects of wide-range high-speed production line | |
| CN104297255B (en) | A kind of dixie cup defective vision detection method and system and device | |
| CN103175840B (en) | Based on offset plate surface detection method and the system of machine vision | |
| CN102735695B (en) | Rapid lens flaw detection method and apparatus thereof | |
| CN104614379A (en) | Plate surface defect detection system and method | |
| CN203231981U (en) | Online paper defect detecting system | |
| CN203750868U (en) | Computer vision-based burr detection device | |
| CN101986143A (en) | Machine vision belt tear detection and protective device | |
| CN201890600U (en) | Machine vision belt tearing detecting device | |
| CN104655641A (en) | High-precision full-automatic FPC (Flexible Printed Circuit) defect detecting device and detecting process | |
| CN104614380A (en) | Plate-strip surface quality detection system and method | |
| CN103175838A (en) | PS (Presensitized Plate) plate surface detection system based on machine vision | |
| CN105882142A (en) | Printed matter defect detection system and method | |
| CN107944342A (en) | A kind of scrapper conveyor abnormal state detection system based on machine vision | |
| CN104165653A (en) | Device for collecting end face image and chamfer image of bearing roller and collecting method thereof | |
| CN103175841B (en) | CTP (Computer to Plate) plate surface detection method and system based on machine vision | |
| CN202512066U (en) | CTP (computer-to-plate) plate surface detection system based on machine vision | |
| CN103010258A (en) | System and method for detecting cracks of fasteners of high-speed rails and subways | |
| CN202583074U (en) | Machine vision based offset plate surface detection system | |
| CN103091330A (en) | Copper strip surface defect identifying device for simulating human visual perception mechanism and method thereof | |
| CN203275314U (en) | Online paper flaw detection system | |
| CN202486067U (en) | Surface blemish detection system of wide-breadth high-speed production line materials | |
| CN106872477A (en) | Car engine seal open defect fault detection system | |
| CN205523047U (en) | Printed matter defect detection system | |
| CN105139519A (en) | Paper money processing device possessing paper money cleaning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20201221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |