CN104964652A - Cell winding production detection method and device based on machine vision - Google Patents
Cell winding production detection method and device based on machine vision Download PDFInfo
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Abstract
The invention discloses a cell winding production detection method based on machine vision. The method comprises the following steps: first, a cell winding production device is arranged, a machine vision system, a rotating disc, a detection device and an absolute coordinate system step device are arranged on the cell winding production device, the detection device comprises a first detection member, and the first detection member comprises a first pressing block, first diaphragm paper and a first camera; second, a standard average distance value and a standard distance differential value are arranged between the first diaphragm paper and the first pressing block in advance; third, the first camera is subjected to initial absolute coordinate original point calibration; fourth, whether the absolute coordinate original point calibration needs calibration again is determined; fifth, the first camera is subjected to starting-up calibration; sixth, the distance between the first pressing block and the first diaphragm paper is detected; seventh, the fourth step, the fifth step and the sixth step are repeated, and continuous detection of the winding distances between the first pressing block and the first diaphragm paper in different time points and distance differential values is finished. The invention also discloses a cell winding device.
Description
Technical field
The present invention relates to battery winding equipment, particularly relate to a kind of battery winding production testing method and apparatus based on machine vision.
Background technology
In recent years, the application of machine vision is more and more extensive, and it is widely used in the various aspects of quality testing.At present, occurred Vision Builder for Automated Inspection to be applied on the battery winding equipment of rotating disc type.A battery winding equipment needs three cameras to observe three stations, and the function of these three stations is respectively: whether the distance that (1) detects diaphragm paper and briquetting is qualified; (2) whether the distance detecting negative plate and diaphragm paper is qualified; (3) whether the distance detecting positive plate and diaphragm paper is qualified.Utilize Vision Builder for Automated Inspection can the relative position of auxiliary judgment film releasing whether in specification.This detection method mainly using the video of camera observation as absolute coordinates, regulates briquetting position, thus determines and diaphragm paper relative position, and recycling diaphragm paper relative position regulates negative plate and positive plate relative position.
And above-mentioned detection method in actual applications, there is some deficiency following: (1) detection method is complicated, and the measurement of adjusting the distance is inaccurate, causes the adjustment of the relative position to film releasing inaccurate; (2) because of vibrations or the impact of human factor, make the position of camera there occurs skew relative to whole equipment board, make should the coordinate of " definitely " not absolute; (3) briquetting is because maintenance often variation, brings a lot of difficulty to tune machine and daily production; (4) cannot continuous surveillance, periodic detection (being generally one week) management and control camera moves and causes the risk in production larger; (5) utilize the operability of vision system correction briquetting position lower, adjust the machine cycle long, impact is produced.
Summary of the invention
For above-mentioned deficiency, the object of the present invention is to provide a kind of battery winding production testing method and apparatus based on machine vision, its accuracy of detection is high, risk is judged in reduction by accident, without the need to continuous surveillance, detection method is simple, accurate, precision is high, briquetting position adjustments is easy, enhances productivity.
The present invention for the adopted technical scheme that achieves the above object is:
Based on a battery winding production testing method for machine vision, it is characterized in that, comprise the following steps:
(1) a battery winding production equipment is set, described battery winding production equipment arranges Vision Builder for Automated Inspection, rotating disk and is arranged at pick-up unit and the absolute coordinate system stairs device of disk edge respectively, described pick-up unit comprises the first detection components, the first camera that described first detection components comprises the first briquetting, is arranged at the first diaphragm paper on the first briquetting and is arranged at above the first diaphragm paper side, be integrated with vision system software in described Vision Builder for Automated Inspection, and it is connected with the first camera and absolute coordinate system stairs device respectively;
(2) a standard average departure distance values A is preset by described Vision Builder for Automated Inspection between the first diaphragm paper and the first briquetting, and a gauged distance difference B;
(3) initial absolute coordinates origin calibration is carried out to described first camera:
(3.1) battery winding equipment is opened, by described absolute coordinate system stairs device by immediately below turntable rotation to the first camera, described first camera collection image information, initial absolute coordinates initial point (p is generated by described Vision Builder for Automated Inspection, q), and the demarcation numerical generation of described initial absolute coordinates initial point in the csv document of vision system software;
(3.2) to the span that the horizontal ordinate x of initial absolute coordinates initial point (p, q) generated and ordinate y presets a permission be: (p-m≤x≤p+m, and q-n≤y≤q+n);
(4) before described first camera of use, judge whether the demarcation needing to re-start described first camera absolute coordinates initial point, if desired, then repeat step (3); If do not need, then carry out step (5);
(5) start calibration is carried out to described first camera: judge whether to need to carry out described first camera start calibration, if do not need, then carry out step (6); Otherwise, again by described absolute coordinate system stairs device by immediately below turntable rotation to the first camera, described first camera collection image information, described Vision Builder for Automated Inspection generates the coordinate figure of true origin, and the span that the transverse and longitudinal coordinate of this coordinate figure and absolute coordinates initial point allows is compared, if in span, then carry out step (6), otherwise, described Vision Builder for Automated Inspection prompting warning message, then search reason, recalibrate the position of the first camera;
(6) distance between described first briquetting and the first diaphragm paper detects:
(6.1) image information of described first camera collection first briquetting and the first diaphragm paper, the distance that can be obtained the first diaphragm paper coboundary and lower limb by described Vision Builder for Automated Inspection is respectively a, b, the distance of described first briquetting coboundary and lower limb is respectively c, d;
(6.2) described Vision Builder for Automated Inspection calculates the distance A between the first briquetting and the first diaphragm paper
1, A
1computing formula be:
range difference B between first briquetting and the first diaphragm paper
1, B
1computing formula be: Β
1=(d-b)-(c-a);
(6.3) described Vision Builder for Automated Inspection is by the distance A between the first briquetting of calculating and the first diaphragm paper
1, and the range difference B between the first briquetting and the first diaphragm paper
1, compare with the standard average departure distance values A preset and gauged distance difference B respectively, judge continuously winding between described first diaphragm paper and the first briquetting apart from and distance difference whether qualified;
(7) repeat step (4), (5), (6), complete, in different time points, continuity detection is carried out to the winding distance between described first briquetting and the first diaphragm paper and distance difference.
As a further improvement on the present invention, in described step (1), described pick-up unit also comprises the second detection components and the 3rd detection components, wherein, described second detection components comprises second camera, the second briquetting and the second diaphragm paper be set in turn on the second briquetting and negative plate, the 3rd diaphragm paper and the positive plate that described 3rd detection components comprises the 3rd camera, the 3rd briquetting and is set in turn on the 3rd briquetting.
As a further improvement on the present invention, when repeating said steps (4), (5), also comprise and respectively the step of calibrating of starting shooting is carried out to second camera and the 3rd camera.
As a further improvement on the present invention, it also comprises step (8): described Vision Builder for Automated Inspection, according to the relative position between the first briquetting and the first diaphragm paper, regulates the relative position between negative plate and the second diaphragm paper, between positive plate and the 3rd diaphragm paper.
As a further improvement on the present invention, in described step (1), described absolute coordinate system stairs device is fixed on disk edge, for described rotating disk provides a fixing absolute coordinate system.
As a further improvement on the present invention, in described step (6.3), the B1 calculated on the occasion of expression first briquetting relative to the first diaphragm paper for tilting counterclockwise, B1 is that negative value represents the first briquetting relative to the first diaphragm paper for tilting clockwise.
Implement the battery winding equipment based on machine vision of above-mentioned detection method, it is characterized in that, it comprises Vision Builder for Automated Inspection, rotating disk, the pick-up unit being arranged at disk edge respectively and absolute coordinate system stairs device; Wherein said pick-up unit comprises the first detection components, the first camera that this first detection components comprises the first briquetting, is arranged at the first diaphragm paper on the first briquetting and is arranged at above the first diaphragm paper side; Be integrated with vision system software in described Vision Builder for Automated Inspection, and it is connected with the first camera and absolute coordinate system stairs device respectively.
As a further improvement on the present invention, described pick-up unit also comprises the second detection components and the 3rd detection components, wherein, described two detection components comprise second camera, the second briquetting and the second diaphragm paper be set in turn on the second briquetting and negative plate, the 3rd diaphragm paper and the positive plate that described 3rd detection components comprises the 3rd camera, the 3rd briquetting and is set in turn on the 3rd briquetting.
As a further improvement on the present invention, described absolute coordinate system stairs device is fixed on disk edge, for described rotating disk provides a fixing absolute coordinate system.
As a further improvement on the present invention, described absolute coordinate system stairs device bulk shape is L-shaped.
Beneficial effect of the present invention is: carry out absolute coordinates origin calibration and start calibration by absolute coordinate system stairs device to camera, the video of camera is made to have an absolute coordinate system, reduce because the movement of camera to cause the risk of erroneous judgement to testing process, thus improve accuracy of detection; All carry out start calibration before each detection, without the need to continuous surveillance, whether periodic detection and management and control camera move; Detection method is simple, accurate, precision is high, and position adjustments is accurately convenient; By having the vision system software of " absolute coordinate system " calibrating function, the position regulating briquetting can be unified, regulate easy, enhance productivity.
Above-mentioned is the general introduction of invention technical scheme, and below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention battery winding equipment;
Fig. 2 is the process flow diagram of the embodiment of the present invention.
Embodiment
For further setting forth the present invention for the technological means that reaches predetermined object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment of the present invention is described in detail.
Embodiment one
Please refer to Fig. 1 and Fig. 2, the embodiment of the present invention one discloses a kind of battery winding production testing method based on machine vision, and it comprises the following steps:
(1) a battery winding production equipment is set, described battery winding production equipment arranges Vision Builder for Automated Inspection, rotating disk 1, and be arranged at pick-up unit and the absolute coordinate system stairs device 2 at rotating disk 1 edge respectively, described pick-up unit comprises the first detection components 3, described first detection components 3 comprises the first briquetting 31, the first camera 33 being arranged at the first diaphragm paper 32 on the first briquetting 31 and being arranged at above the first diaphragm paper 32 side, vision system software is integrated with in described Vision Builder for Automated Inspection, and it is connected with the first camera 33 and absolute coordinate system stairs device 2 respectively,
(2) a standard average departure distance values A is preset by described Vision Builder for Automated Inspection between the first diaphragm paper 32 and the first briquetting 31, and a gauged distance difference B;
(3) initial absolute coordinates origin calibration is carried out to described first camera 33:
(3.1) battery winding equipment is opened, described absolute coordinate system stairs device 2 is rotated to the first camera 33 by rotating disk 1, described first camera 33 gathers image information, initial absolute coordinates initial point (p is generated by described Vision Builder for Automated Inspection, q), and the demarcation numerical generation of described initial absolute coordinates initial point in the csv document of vision system software;
(3.2) to the span that the horizontal ordinate x of initial absolute coordinates initial point (p, q) generated and ordinate y presets a permission be: (p-m≤x≤p+m, and q-n≤y≤q+n);
(4) before described first camera 33 of use, judge whether the demarcation needing to re-start described first camera 33 absolute coordinates initial point, if desired, then repeat step (3); If do not need, then carry out step (5);
(5) start calibration is carried out to described first camera 33: judge whether to need to carry out described first camera 33 start calibration, if do not need, then carry out step (6); Otherwise, again described absolute coordinate system stairs device 2 is rotated to the first camera 33 by rotating disk 1, described first camera 33 gathers image information, described Vision Builder for Automated Inspection generates the coordinate figure of true origin, and the span that the transverse and longitudinal coordinate of this coordinate figure and absolute coordinates initial point allows is compared, if in span, then carry out step (6), otherwise, described Vision Builder for Automated Inspection prompting warning message, then search reason, recalibrate the position of the first camera 33;
(6) distance between described first briquetting 31 and the first diaphragm paper 32 detects:
(6.1) described first camera 33 gathers the image information of the first briquetting 31 and the first diaphragm paper 32, the distance that can be obtained the first diaphragm paper 32 coboundary and lower limb by described Vision Builder for Automated Inspection is respectively a, b, the distance of described first briquetting 31 coboundary and lower limb is respectively c, d;
(6.2) described Vision Builder for Automated Inspection calculates the distance A between the first briquetting 31 and the first diaphragm paper 32
1, A
1computing formula be:
range difference B between first briquetting 31 and the first diaphragm paper 32
1, B
1computing formula be: Β
1=(d-b)-(c-a);
(6.3) described Vision Builder for Automated Inspection is by the distance A between the first briquetting 31 of calculating and the first diaphragm paper 32
1, and the range difference B between the first briquetting 31 and the first diaphragm paper 32
1, compare with the standard average departure distance values A preset and gauged distance difference B respectively, judge continuously winding between described first diaphragm paper 32 and the first briquetting 31 apart from and distance difference whether qualified;
(7) repeat step (4), (5), (6), complete, in different time points, continuity detection is carried out to the winding distance between described first briquetting 31 and the first diaphragm paper 32 and distance difference.
In described step (1), described absolute coordinate system stairs device is fixed on disk edge, for described rotating disk provides a fixing absolute coordinate system.
In described step (6.3), the B1 calculated on the occasion of expression first briquetting relative to the first diaphragm paper for tilting counterclockwise, B1 is that negative value represents the first briquetting relative to the first diaphragm paper for tilting clockwise.
Meanwhile, in the present embodiment, described first camera hangs on the top of disk edge by the miscellaneous part in equipment.
The present embodiment also discloses the battery winding equipment based on machine vision implementing said method, it comprises Vision Builder for Automated Inspection, rotating disk 1, be arranged at pick-up unit and the absolute coordinate system stairs device 2 at rotating disk 1 edge respectively, wherein, described pick-up unit comprises the first detection components 3, this first detection components 3 comprises the first briquetting 31, the first camera 33 being arranged at the first diaphragm paper 32 on the first briquetting 31 and being arranged at above the first diaphragm paper 32 side, vision system software is integrated with in described Vision Builder for Automated Inspection, and it is connected with the first camera 33 and absolute coordinate system stairs device 2 respectively.Described absolute coordinate system stairs device 2 is fixed on rotating disk 1 edge, for described rotating disk 1 provides a fixing absolute coordinate system.Described absolute coordinate system stairs device 2 bulk shape is L-shaped.
The present embodiment introduces absolute coordinate system stairs device 2, makes to embedded on battery winding equipment " absolute coordinate system ".Before using described first camera 33 first, first carry out initial absolute coordinates origin calibration.In follow-up actual use procedure, people needs to re-start absolute coordinates origin calibration for judging whether, again demarcates if do not need, then use initial absolute coordinates initial point to carry out start calibration when start is calibrated follow-up carrying out; If desired carry out again true origin to demarcate, then use the true origin of again demarcating follow-up carrying out when start is calibrated.
In actual use, if the first camera 33 creates displacement, then to carry out start calibration, judge the true origin that regenerates whether in the span of absolute coordinates initial point transverse and longitudinal coordinate, if not within the scope of this, described Vision Builder for Automated Inspection prompting warning message, then search reason, recalibrate the position of the first camera 33, until the true origin regenerated is in the span of absolute coordinates initial point transverse and longitudinal coordinate; Otherwise the distance of directly carrying out between the first briquetting 31 and the first diaphragm paper 32 detects.
By checking, in use, after carrying out start calibration by absolute coordinate system stairs device 2, first camera 33 meets the definition of equipment operation " definitely " relative to the precision of the position of whole equipment rotating disk, and the transverse and longitudinal coordinate of the true origin regenerated is all in the span of absolute coordinates initial point transverse and longitudinal coordinate.When making by the detection of the first camera 33 to the spacing of the first briquetting 31 and the first diaphragm paper 32, the distance detected is more accurate, and precision is higher.
Embodiment two
Embodiment two is with the key distinction of embodiment one: in described step (1), described pick-up unit also comprises the second detection components 4 and the 3rd detection components 5, wherein, described second detection components 4 comprises second camera 41, second briquetting 42 and is set in turn in the second diaphragm paper 43 and negative plate 44 on the second briquetting 42, and described 3rd detection components 5 comprises the 3rd camera 51, the 3rd briquetting 52 and is set in turn in the 3rd diaphragm paper 53 and positive plate 54 on the 3rd briquetting 52; Repeating said steps (4), (5), also comprise and carry out to second camera 41 and the 3rd camera 51 step of calibrating of starting shooting respectively; Meanwhile, also comprise step (8), described Vision Builder for Automated Inspection, according to the relative position between the first briquetting 31 and the first diaphragm paper 32, regulates the relative position between negative plate 44 and the second diaphragm paper 43, between positive plate 54 and the 3rd diaphragm paper 53.
Simultaneously, the second detection components 4 and the 3rd detection components 5 is also comprised based on the described pick-up unit in the battery winding equipment of machine vision, wherein, described two detection components 4 comprise second camera 41, second briquetting 42 and are set in turn in the second diaphragm paper 43 and negative plate 44 on the second briquetting 42, and described 3rd detection components 5 comprises the 3rd camera 51, the 3rd briquetting 52 and is set in turn in the 3rd diaphragm paper 53 and positive plate 54 on the 3rd briquetting 52.Other steps and component identical with embodiment one, no longer unnecessary at this.
In actual production, a battery winding equipment needs three cameras to detect three stations, these three stations are respectively: (1) diaphragm paper and briquetting distance, (2) negative plate and diaphragm paper distance, and (3) positive plate and diaphragm paper distance.Namely the detection method that embodiment one provides is the detection of the spacing to diaphragm paper and briquetting, relative position between the first briquetting that the present embodiment is obtained by embodiment one and the first diaphragm paper, regulate the relative position between negative plate and the second diaphragm paper, between positive plate and the 3rd diaphragm paper, detecting the method for negative plate and the distance between the second diaphragm paper, between positive plate and the 3rd diaphragm paper and embodiment one, to detect the method for the spacing of the first briquetting and the first diaphragm paper identical.By said method, absolute coordinates origin calibration and start calibration can be carried out to the first camera, second camera and the 3rd camera respectively, ensure that the position of the first camera, second camera and the 3rd camera meets and use it to carry out the requirement detected.
Vision system software is integrated with in Vision Builder for Automated Inspection of the present invention, this software has automatic Memory function, calibration result of starting shooting last time can be preserved, even if software is closed, do not need after again opening to carry out start calibration again, still can continue to run according to the start calibration result of preserving before, really reach and carry out the object of calibrating of starting shooting according to the actual requirements.The numerical value simultaneously at every turn carrying out absolute coordinates origin calibration is all created in the csv document of this software, therefore each demarcation numerical value all can find in csv document again.Vision Builder for Automated Inspection is by being connected with absolute coordinate system stairs device, vision system software in Vision Builder for Automated Inspection has " absolute coordinate system " calibrating function, " basic parameter " very convenient slip-stick artist in its menu adjusts machine, the position and the degree of tilt that adjust several briquetting can be unified according to " up/down at briquetting edge " relative position, tune machine is easy, easy to operate, enhance productivity.
Emphasis of the present invention is mainly, by absolute coordinate system stairs device, absolute coordinates origin calibration and start calibration are carried out to camera, make the video of camera have an absolute coordinate system, the movement reduced because of camera causes the risk of erroneous judgement to testing process, thus improves accuracy of detection; All carry out start calibration before each detection, without the need to continuous surveillance, whether periodic detection and management and control camera move; Detection method is simple, accurate, precision is high, and position adjustments is accurately convenient; By having the vision system software of " absolute coordinate system " calibrating function, the position regulating briquetting can be unified, regulate easy, enhance productivity.
The above; it is only preferred embodiment of the present invention; not technical scope of the present invention is imposed any restrictions; therefore adopt the technical characteristic identical or approximate with the above embodiment of the present invention; and other the battery winding production testing method and apparatus based on machine vision obtained, all within protection scope of the present invention.
Claims (10)
1., based on a battery winding production testing method for machine vision, it is characterized in that, comprise the following steps:
(1) a battery winding production equipment is set, described battery winding production equipment arranges Vision Builder for Automated Inspection, rotating disk and is arranged at pick-up unit and the absolute coordinate system stairs device of disk edge respectively, described pick-up unit comprises the first detection components, the first camera that described first detection components comprises the first briquetting, is arranged at the first diaphragm paper on the first briquetting and is arranged at above the first diaphragm paper side, be integrated with vision system software in described Vision Builder for Automated Inspection, and it is connected with the first camera and absolute coordinate system stairs device respectively;
(2) a standard average departure distance values A is preset by described Vision Builder for Automated Inspection between the first diaphragm paper and the first briquetting, and a gauged distance difference B;
(3) initial absolute coordinates origin calibration is carried out to described first camera:
(3.1) battery winding equipment is opened, by described absolute coordinate system stairs device by immediately below turntable rotation to the first camera, described first camera collection image information, initial absolute coordinates initial point (p is generated by described Vision Builder for Automated Inspection, q), and the demarcation numerical generation of described initial absolute coordinates initial point in the csv document of vision system software;
(3.2) to the span that the horizontal ordinate x of initial absolute coordinates initial point (p, q) generated and ordinate y presets a permission be: (p-m≤x≤p+m, and q-n≤y≤q+n);
(4) before described first camera of use, judge whether the demarcation needing to re-start described first camera absolute coordinates initial point, if desired, then repeat step (3); If do not need, then carry out step (5);
(5) start calibration is carried out to described first camera: judge whether to need to carry out described first camera start calibration, if do not need, then carry out step (6); Otherwise, again by described absolute coordinate system stairs device by immediately below turntable rotation to the first camera, described first camera collection image information, described Vision Builder for Automated Inspection generates the coordinate figure of true origin, and the span that the transverse and longitudinal coordinate of this coordinate figure and absolute coordinates initial point allows is compared, if in span, then carry out step (6), otherwise, described Vision Builder for Automated Inspection prompting warning message, then search reason, recalibrate the position of the first camera;
(6) distance between described first briquetting and the first diaphragm paper detects:
(6.1) image information of described first camera collection first briquetting and the first diaphragm paper, the distance that can be obtained the first diaphragm paper coboundary and lower limb by described Vision Builder for Automated Inspection is respectively a, b, the distance of described first briquetting coboundary and lower limb is respectively c, d;
(6.2) described Vision Builder for Automated Inspection calculates the distance A between the first briquetting and the first diaphragm paper
1, A
1computing formula be:
range difference B between first briquetting and the first diaphragm paper
1, B
1computing formula be: Β
1=(d-b)-(c-a);
(6.3) described Vision Builder for Automated Inspection is by the distance A between the first briquetting of calculating and the first diaphragm paper
1, and the range difference B between the first briquetting and the first diaphragm paper
1, compare with the standard average departure distance values A preset and gauged distance difference B respectively, judge continuously winding between described first diaphragm paper and the first briquetting apart from and distance difference whether qualified;
(7) repeat step (4), (5), (6), complete, in different time points, continuity detection is carried out to the winding distance between described first briquetting and the first diaphragm paper and distance difference.
2. as claimed in claim 1 based on the battery winding production testing method of machine vision, it is characterized in that, in described step (1), described pick-up unit also comprises the second detection components and the 3rd detection components, wherein, described second detection components comprises second camera, the second briquetting and the second diaphragm paper be set in turn on the second briquetting and negative plate, the 3rd diaphragm paper and the positive plate that described 3rd detection components comprises the 3rd camera, the 3rd briquetting and is set in turn on the 3rd briquetting.
3. as claimed in claim 2 based on the battery winding production testing method of machine vision, it is characterized in that, when repeating said steps (4), (5), also comprise and respectively the step of calibrating of starting shooting is carried out to second camera and the 3rd camera.
4. as claimed in claim 3 based on the battery winding production testing method of machine vision, it is characterized in that, it also comprises step (8): described Vision Builder for Automated Inspection, according to the relative position between the first briquetting and the first diaphragm paper, regulates the relative position between negative plate and the second diaphragm paper, between positive plate and the 3rd diaphragm paper.
5. as claimed in claim 1 based on the battery winding production testing method of machine vision, it is characterized in that, in described step (1), described absolute coordinate system stairs device is fixed on disk edge, for described rotating disk provides a fixing absolute coordinate system.
6. as claimed in claim 1 based on the battery winding production testing method of machine vision, it is characterized in that, in described step (6.3), the B1 calculated on the occasion of expression first briquetting relative to the first diaphragm paper for tilting counterclockwise, B1 is that negative value represents the first briquetting relative to the first diaphragm paper for tilting clockwise.
7. implement the claims the battery winding equipment based on machine vision of the described detection method of one of 1-6, it is characterized in that, it comprises Vision Builder for Automated Inspection, rotating disk, the pick-up unit being arranged at disk edge respectively and absolute coordinate system stairs device; Wherein said pick-up unit comprises the first detection components, the first camera that this first detection components comprises the first briquetting, is arranged at the first diaphragm paper on the first briquetting and is arranged at above the first diaphragm paper side; Be integrated with vision system software in described Vision Builder for Automated Inspection, and it is connected with the first camera and absolute coordinate system stairs device respectively.
8. as claimed in claim 7 based on the battery winding equipment of machine vision, it is characterized in that, described pick-up unit also comprises the second detection components and the 3rd detection components, wherein, described two detection components comprise second camera, the second briquetting and the second diaphragm paper be set in turn on the second briquetting and negative plate, the 3rd diaphragm paper and the positive plate that described 3rd detection components comprises the 3rd camera, the 3rd briquetting and is set in turn on the 3rd briquetting.
9., as claimed in claim 7 based on the battery winding equipment of machine vision, it is characterized in that, described absolute coordinate system stairs device is fixed on disk edge, for described rotating disk provides a fixing absolute coordinate system.
10., as claimed in claim 7 based on the battery winding equipment of machine vision, it is characterized in that, described absolute coordinate system stairs device bulk shape is L-shaped.
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|---|---|---|---|---|
| CN109855551A (en) * | 2019-01-18 | 2019-06-07 | 广州超音速自动化科技股份有限公司 | Bluetooth headset film-making automatic testing method, electronic equipment and storage medium |
| CN110631496A (en) * | 2019-10-29 | 2019-12-31 | 南京佑创汽车研究院有限公司 | Method for detecting distance between battery pack box cover and wire harness |
| CN111473736A (en) * | 2019-04-30 | 2020-07-31 | 住华科技股份有限公司 | Optical detection device and optical detection method thereof |
| CN115790390A (en) * | 2022-11-10 | 2023-03-14 | 宁德时代新能源科技股份有限公司 | Battery winding detection system and method |
| WO2023061284A1 (en) * | 2021-10-14 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Cell winding calibration method and apparatus, device and cell winding system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008059218A (en) * | 2006-08-30 | 2008-03-13 | Fujitsu Ltd | Method for restoring self-position of autonomously traveling robot |
| CN101911365A (en) * | 2008-01-11 | 2010-12-08 | 丰田自动车株式会社 | Electrode take-up apparatus and electrode take-up method |
| US20110157373A1 (en) * | 2009-12-24 | 2011-06-30 | Cognex Corporation | System and method for runtime determination of camera miscalibration |
| CN103743318A (en) * | 2013-12-30 | 2014-04-23 | 深圳市华星光电技术有限公司 | Method and device for correcting coordinates of probe film thickness measuring machine |
| CN104197841A (en) * | 2014-09-09 | 2014-12-10 | 深圳市斯尔顿科技有限公司 | Method for detecting boundaries of lithium battery winding layer |
| CN104215182A (en) * | 2014-09-09 | 2014-12-17 | 深圳市斯尔顿科技有限公司 | Lithium battery winding layer border offset detecting method |
| CN104577210A (en) * | 2014-12-26 | 2015-04-29 | 东莞市博拓自动化设备有限公司 | Alignment metric detection device |
-
2015
- 2015-06-25 CN CN201510359087.6A patent/CN104964652B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008059218A (en) * | 2006-08-30 | 2008-03-13 | Fujitsu Ltd | Method for restoring self-position of autonomously traveling robot |
| CN101911365A (en) * | 2008-01-11 | 2010-12-08 | 丰田自动车株式会社 | Electrode take-up apparatus and electrode take-up method |
| US20110157373A1 (en) * | 2009-12-24 | 2011-06-30 | Cognex Corporation | System and method for runtime determination of camera miscalibration |
| CN103743318A (en) * | 2013-12-30 | 2014-04-23 | 深圳市华星光电技术有限公司 | Method and device for correcting coordinates of probe film thickness measuring machine |
| CN104197841A (en) * | 2014-09-09 | 2014-12-10 | 深圳市斯尔顿科技有限公司 | Method for detecting boundaries of lithium battery winding layer |
| CN104215182A (en) * | 2014-09-09 | 2014-12-17 | 深圳市斯尔顿科技有限公司 | Lithium battery winding layer border offset detecting method |
| CN104577210A (en) * | 2014-12-26 | 2015-04-29 | 东莞市博拓自动化设备有限公司 | Alignment metric detection device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855551A (en) * | 2019-01-18 | 2019-06-07 | 广州超音速自动化科技股份有限公司 | Bluetooth headset film-making automatic testing method, electronic equipment and storage medium |
| CN109855551B (en) * | 2019-01-18 | 2022-07-01 | 广州超音速自动化科技股份有限公司 | Automatic detection method for Bluetooth headset production, electronic equipment and storage medium |
| CN111473736A (en) * | 2019-04-30 | 2020-07-31 | 住华科技股份有限公司 | Optical detection device and optical detection method thereof |
| CN110631496A (en) * | 2019-10-29 | 2019-12-31 | 南京佑创汽车研究院有限公司 | Method for detecting distance between battery pack box cover and wire harness |
| WO2023061284A1 (en) * | 2021-10-14 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Cell winding calibration method and apparatus, device and cell winding system |
| CN115790390A (en) * | 2022-11-10 | 2023-03-14 | 宁德时代新能源科技股份有限公司 | Battery winding detection system and method |
| CN115790390B (en) * | 2022-11-10 | 2023-10-20 | 宁德时代新能源科技股份有限公司 | Battery winding detection system and method |
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