CN103203325A - System and method of online vision detection - Google Patents
System and method of online vision detection Download PDFInfo
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- CN103203325A CN103203325A CN201310072568XA CN201310072568A CN103203325A CN 103203325 A CN103203325 A CN 103203325A CN 201310072568X A CN201310072568X A CN 201310072568XA CN 201310072568 A CN201310072568 A CN 201310072568A CN 103203325 A CN103203325 A CN 103203325A
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Abstract
The invention discloses a system of online vision detection. The system is used for separating good products of core columns on a tension silk machine from poor products, and comprises a human-machine operation interface, a position sensor, an image capturing and detecting device, a main controlling device and a poor product collecting device. The human-machine operation interface is connected with the main controlling device. The image capturing and detecting device is connected with the main controlling device for capturing, analyzing and processing images so as to acquire detecting results. The main controlling device is connected with the position sensor and the poor product collecting device for sending detecting commands according to triggering signals of the position sensor so as to control the actions of the poor product collecting device according to the detecting results. By the aid of the poor product collecting device, the poor products of the core columns are thrown out of a production line, so that separation of good products and poor products is realized. Manual selection is omitted on the production line of tension silk during the whole procedure, full-automatic real-time detection is realized; and real-time performance of poor product detection is improved while undetected rate and detection error on the poor products of the core columns of the tension silk machine are considerably reduced.
Description
Technical field
The present invention relates to the automatic filament tensioner of illuminating industry field, particularly a kind of for online vision detection system and the method for stem stem being identified and separating certified products and waste product automatically.
Background technology
On the automatic filament tensioner production line of illuminating industry, since be subjected to limitation, raw material and the on-the-spot burst of machine itself can not the expectation event etc. situation, apply various waste products such as bad thereby the two filaments of stem stem, many seal wires, seal wire bending, mercury band disappearance, the distortion of mercury band and electronics powder can occur, at this moment just waste product need be separated with certified products.And adopt the method that directly inserts low-voltage and artificial hand sieve in the prior art usually, by naked eyes identification, waste product is screened from certified products.The method that directly inserts low-voltage only can judge greatly defective is arranged the break-make of filament; And because manual identified is limited in one's ability, so waste product stem stem loss is very high, is difficult to accomplish accurately the waste product on the production line is carried out screening in real time, badly influences qualification rate and the stock utilization of next procedure and entire product line.
Summary of the invention
Main purpose of the present invention is to overcome above-mentioned shortcoming of the prior art, propose a kind of can be fast with stem stem certified products and the isolated online vision detection system of waste product and method.
The present invention adopts following technical scheme:
A kind of online vision detection system, being used for that the stem stem on the filament tensioner is carried out certified products separates with waste product, it is characterized in that: comprise man machine operation interface, position sensor, IMAQ and checkout gear, master control set and waste product gathering-device, described man machine operation interface links to each other with master control set and is used for providing the inputting interface of operational order, described position sensor is arranged on the filament tensioner for detection of the optional position at target stem stem place and sends triggering signal, described IMAQ and checkout gear link to each other with described master control set and are used for carrying out IMAQ and thereby analyzing and processing obtains testing result according to the sense command of master control set, and master control set and position sensor link to each other with the waste product gathering-device and be used for triggering signal according to position sensor and send sense command and move according to testing result control waste product gathering-device.
Further, described master control set adopts Programmable Logic Controller and includes network communication module, input/output module and central processing module, central processing module links to each other with input/output module with network communication module, this input/output module links to each other with described waste product gathering-device with described position sensor, described IMAQ and checkout gear, and this network communication module links to each other with described man machine operation interface.
Further, described IMAQ and checkout gear also include network communication interface, and this network communication interface links to each other with described network communication module.
Further, also include monitor, this monitor links to each other with described IMAQ and checkout gear and is used for showing the realtime graphic that collects.
Further, also include light compensating apparatus, this light compensating apparatus is arranged at the imaging effect that is used for improving stem stem between described IMAQ and checkout gear and the filament tensioner.
Further, described waste product gathering-device includes waste product and releases parts and waste product feeder, and this waste product is released parts and linked to each other with described master control set.
Further, described IMAQ and checkout gear adopt industrial camera.
A kind of online visible detection method is used for that the stem stem on the filament tensioner is carried out certified products and separates with waste product, it is characterized in that: comprise the steps
1) image of collection stem stem;
2) whether image is carried out analyzing and processing, it is qualified to detect stem stem, if qualified, then repeating step 1); If defective, then enter step 3);
3) underproof stem stem is discarded, to next stem stem, repeating step 1).
Further, in step 2) in, judge that stem stem is whether qualified and comprise that by the pattern counts instrument image being carried out analyzing and processing detects stem stem and whether have mercury band and mercury belt shape whether normal, if normal, then to next stem stem, enters step 1); If undesired, then enter step 3).
Further, in step 2) in, judge that stem stem is whether qualified and comprise that by the binaryzation instrument image being carried out analyzing and processing detects filament electronic powder on the stem stem and whether normally apply, if normal, then to next stem stem, enters step 1); If undesired, then enter step 3).
Further, in step 2) in, by the average gray instrument image is carried out filament that analyzing and processing detects stem stem and whether normally install, if normal, then to next stem stem, enter step 1); If undesired, then enter step 3).
Further, in step 2) in, whether the distance that by regional instrument the image detection analyzing and processing is detected between each seal wire of stem stem is suitable, and whether seal wire is suitable in the length that stem stem is, if normal, then to next stem stem, enters step 1); If undesired, then enter step 3).
Further, in step 1), the real-time stem stem image that collects is shown by monitor.
By the above-mentioned description of this invention as can be known, compared with prior art, a kind of vision on-line detecting system of the present invention and method have following beneficial effect:
One, online vision detection system of the present invention passes through the Programmable Logic Controller reception from the signal of industrial camera, can detect in real time on the automatic filament tensioner production line and the stem stem waste product whether occur, when detecting two filaments, many seal wires, seal wire bending, mercury band disappearance, the distortion of mercury band and electronics powder and apply various waste product such as bad, by the waste product gathering-device waste product of stem stem is abandoned out production line, realized separating of certified products and waste product.Whole process need not to carry out manual screening at a production line that stretches tight, and has realized full-automatic, detection in real time, when improving the real-time of waste product detection, greatly reduces filament tensioner stem stem waste product loss and error detection rate.
Two, the Programmable Logic Controller of the online vision detection system of the present invention receives the signal by the industrial camera transmission, and the quantity of real-time statistics waste product.When the quantity that continuous waste product surpass to allow, reported to the police by the system alarm device immediately or shut down, remind the board operator in time to handle, reduced the repetitive rate of waste product.System has also set total waste product of collecting and has surpassed some, reports to the police, and reminds the board operator in time to follow the tracks of, analyze, adjust the state of machine.
Three, the present invention is provided with light source near tested stem stem position in the middle of industrial camera and tested stem stem, guarantees that the image that industrial camera obtains has higher definition and identification.And owing to be the front light filling, the coating situation of tested stem stem electronics powder shows in the imaging of industrial camera obviously, is conducive to that the electronics powder is applied defective work and makes correct analysis and judgement.
Four, be manufactured with the interface of changing all size in man-machine interface among the present invention.When production line is produced the product of different size, by man-machine interface and Programmable Logic Controller communication, called the property data base of all size of made in the industrial camera by Programmable Logic Controller, realize switching between the different size in time, rapidly, and make the handling of camera become simple and convenient.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is that waste product of the present invention is released schematic diagram.
The specific embodiment
Below the invention will be further described by the specific embodiment.
With reference to Fig. 1, Fig. 2, a kind of online vision detection system is used for that the stem stem 2 on the filament tensioner 1 is carried out certified products and separates with waste product, comprises man machine operation interface 3, position sensor 4, IMAQ and checkout gear 5, master control set 6 and waste product gathering-device 7.Man machine operation interface 3 links to each other with master control set 6 and is used for providing the inputting interface of operational order, includes the interface of changing all size,,, operates by man-machine interface when needs are changed specification to master control set 6 by network connection, switches rapidly.Position sensor 4 is arranged on the filament tensioner 1 for detection of the optional position at target stem stem 2 places, sets and sends flexibly triggering signal according to the actual requirements and give master control set.IMAQ and checkout gear 5 link to each other with master control set 6 and are used for according to the sense command of master control set 6 stem stem being carried out realtime graphic, and the image of gathering judged whether stem stem exists two filaments, many seal wires, seal wire bending, mercury band disappearance, the distortion of mercury band and electronics powder to apply bad phenomenon, thereby the testing result of obtaining.IMAQ and checkout gear 5 comprise the property data base of all size of setting, and be corresponding with the specification of man machine operation interface, calls when being convenient for changing specification.Master control set links to each other with waste product gathering-device 7 with position sensor 4 and sends sense command for the triggering signal according to position sensor 4, and control the waste product gathering-device according to the testing result of IMAQ and checkout gear 5 and move, waste product gathering-device 7 includes waste product and releases parts 10 and waste product feeder 11, this waste product is released parts 10 and is linked to each other with master control set 6, when testing result is that current stem stem is when being waste product, the control waste product is released parts 10 actions this stem stem is pushed out to waste product feeder 11, thereby finishes the separation of waste product.
Master control set 6 adopts Programmable Logic Controller, include network communication module, input/output module and central processing module, central processing module links to each other with input/output module with network communication module, this input/output module links to each other with waste product gathering-device 7 with position sensor 4, IMAQ and checkout gear 5, and this network communication module links to each other with man machine operation interface 3.Corresponding, IMAQ and checkout gear 5 also include network communication interface, and this network communication interface links to each other communication for changing specification with network communication module.In addition, the quantity of the statistics waste product that master control set 6 can also be real-time.When the quantity that continuous waste product surpass to allow, reported to the police by the system alarm device immediately or shut down, remind the board operator in time to handle, reduced the repetitive rate of waste product.
The present invention also includes monitor 8, and this monitor 8 links to each other with IMAQ and checkout gear 5 by coaxial cable and be used for to show the realtime graphic that collects, and enlarged image is conducive to the field personnel and observes intuitively.
The present invention also includes light compensating apparatus 9, this light compensating apparatus 9 is arranged at the imaging effect that is used for improving stem stem between IMAQ and checkout gear 5 and the filament tensioner 1, owing to be the front light filling, the coating situation imaging effect of tested stem stem electronics powder is obvious, is conducive to the electronics powder is applied the correct analysis and judgement in defective work left side.
In actual applications, IMAQ of the present invention and checkout gear 5 can adopt industrial camera.The course of work is as follows: when institute's industrial camera detects tested stem stem 2 on the automatic filament tensioner 1 and is waste product, transmission testing result signal is to Programmable Logic Controller, to abandon waste product release parts 10 that material signal issue waste product gathering-device 7 in the suitable time period by input/output module by Programmable Logic Controller again, control it and detected waste product is released abandoned material, and be collected in the waste product feeder 11 feeder and collect; If when industrial camera 2 detects stem stem and is certified products, will enter into subsequent processing automatically, finally finish separating of certified products and waste product.
In addition, the present invention also proposes a kind of online visible detection method, is used for that the stem stem on the filament tensioner is carried out certified products and separates with waste product, comprises the steps
1) image of collection stem stem.
2) whether image is carried out analyzing and processing, it is qualified to detect stem stem, if qualified, then repeating step 1); If defective, then enter step 3).
3) underproof stem stem is discarded, to next stem stem, repeating step 1).
In step 2) in, judging that stem stem is whether qualified comprises that by the pattern counts instrument image being carried out analyzing and processing detects stem stem and whether have mercury band and mercury belt shape whether normal, namely corresponding counting is analyzed, records and carried out to the figure of existing qualified products image, corresponding figure in the image that industrial camera work the time collects and quantity will with known comparing, determine whether imaging object is suitable shape and quantity.If normal, then to next stem stem, enter step 1); If undesired, then enter step 3).
In step 2) in, judging that stem stem is whether qualified comprises whether normal by the binaryzation instrument image is carried out the filament electronic powder that analyzing and processing detects on the stem stem applies, comprise and to be made as gray scale maximum greater than the pixel grey scale of certain critical gray value, pixel grey scale less than this value is made as the gray scale minimum, thereby realizes binaryzation.Bright part to filament in the image is used fixed threshold algorithm and adaptive thresholding algorithm respectively.If normal, then to next stem stem, enter step 1); If undesired, then enter step 3).
In step 2) in, whether by the average gray instrument image is carried out the filament that analyzing and processing detects stem stem installs normal, namely the average gray of the part of the filament in the image from the darkest black to the brightest white carried out analyzing and processing, and to limit bright and dark pixel value.If normal, then to next stem stem, enter step 1); If undesired, then enter step 3).
In step 2) in, by regional instrument namely to respectively getting a point between first and second seal wire in the image; Or first and third respectively get a point between the seal wire to measure the form of the absolute value between point-to-point, whether the distance that the image detection analyzing and processing is detected between each seal wire of stem stem is suitable, and whether seal wire is suitable in the length that stem stem is, if normal, then to next stem stem, enter step 1); If undesired, then enter step 3).In step 1), the real-time stem stem image that collects is shown by monitor.
Above-mentioned only is a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (13)
1. online vision detection system, being used for that the stem stem on the filament tensioner is carried out certified products separates with waste product, it is characterized in that: comprise man machine operation interface, position sensor, IMAQ and checkout gear, master control set and waste product gathering-device, described man machine operation interface links to each other with master control set and is used for providing the inputting interface of operational order, described position sensor is arranged on the filament tensioner for detection of the optional position at target stem stem place and sends triggering signal, described IMAQ and checkout gear link to each other with described master control set and are used for carrying out IMAQ and thereby analyzing and processing obtains testing result according to the sense command of master control set, and master control set and position sensor link to each other with the waste product gathering-device and be used for triggering signal according to position sensor and send sense command and move according to testing result control waste product gathering-device.
2. a kind of online vision detection system as claimed in claim 1, it is characterized in that: described master control set adopts Programmable Logic Controller and includes network communication module, input/output module and central processing module, central processing module links to each other with input/output module with network communication module, this input/output module links to each other with described waste product gathering-device with described position sensor, described IMAQ and checkout gear, and this network communication module links to each other with described man machine operation interface.
3. a kind of online vision detection system as claimed in claim 2, it is characterized in that: described IMAQ and checkout gear also include network communication interface, and this network communication interface links to each other with described network communication module.
4. a kind of online vision detection system as claimed in claim 1 is characterized in that: also include monitor, the realtime graphic that this monitor links to each other with described IMAQ and checkout gear and collects for showing.
5. a kind of online vision detection system as claimed in claim 1 is characterized in that: also include light compensating apparatus, this light compensating apparatus is arranged at the imaging effect that is used for improving stem stem between described IMAQ and checkout gear and the filament tensioner.
6. a kind of online vision detection system as claimed in claim 1 is characterized in that: described waste product gathering-device includes waste product and releases parts and waste product feeder, and this waste product is released parts and linked to each other with described master control set.
7. as claim 1 or 2 or 3 or 4 or 5 described a kind of online vision detection systems, it is characterized in that: described IMAQ and checkout gear adopt industrial camera.
8. an online visible detection method is used for that the stem stem on the filament tensioner is carried out certified products and separates with waste product, it is characterized in that: comprise the steps
1) image of collection stem stem;
2) whether image is carried out analyzing and processing, it is qualified to detect stem stem, if qualified, then to next stem stem, repeating step 1); If defective, then enter step 3);
3) underproof stem stem is discarded, to next stem stem, repeating step 1).
9. a kind of online visible detection method as claimed in claim 8, it is characterized in that: in step 2) in, judging that stem stem is whether qualified comprises that by the pattern counts instrument image being carried out analyzing and processing detects stem stem and whether have mercury band and mercury belt shape whether normal, if it is normal, then to next stem stem, enter step 1); If undesired, then enter step 3).
10. a kind of online visible detection method as claimed in claim 8, it is characterized in that: in step 2) in, judging that stem stem is whether qualified comprises whether normal by the binaryzation instrument image is carried out the filament electronic powder that analyzing and processing detects on the stem stem applies, if it is normal, then to next stem stem, enter step 1); If undesired, then enter step 3).
11. a kind of online visible detection method as claimed in claim 8, it is characterized in that: in step 2) in, by the average gray instrument to image carry out filament that analyzing and processing detects stem stem install whether normal, if normal, then to next stem stem, enter step 1); If undesired, then enter step 3).
12. a kind of online visible detection method as claimed in claim 8, it is characterized in that: in step 2) in, whether the distance that by regional instrument the image detection analyzing and processing is detected between each seal wire of stem stem is suitable, and whether seal wire is suitable in the length that stem stem is, if it is normal, then to next stem stem, enter step 1); If undesired, then enter step 3).
13. a kind of online visible detection method as claimed in claim 8 is characterized in that: in step 1), the real-time stem stem image that collects is shown by monitor.
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Cited By (5)
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| CN105181704A (en) * | 2015-08-26 | 2015-12-23 | 浙江江山三友电子有限公司 | Lamp-filament bepowdering quality real-time detection method |
| CN108745934A (en) * | 2018-05-30 | 2018-11-06 | 保定来福汽车照明集团有限公司 | A kind of light bulb wick detection device |
| CN110286639A (en) * | 2019-07-03 | 2019-09-27 | 杨江滨 | A kind of high accuracy number control device |
| CN110441501A (en) * | 2019-06-27 | 2019-11-12 | 北海惠科光电技术有限公司 | A kind of detection method and detection system |
| CN115809187A (en) * | 2023-01-17 | 2023-03-17 | 江苏领视达智能科技有限公司 | Method for processing waste products of frameless flat panel display based on big data screening |
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Application publication date: 20130717 |