CN104964652B - A kind of battery winding production detection method and equipment based on machine vision - Google Patents
A kind of battery winding production detection method and equipment based on machine vision Download PDFInfo
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- CN104964652B CN104964652B CN201510359087.6A CN201510359087A CN104964652B CN 104964652 B CN104964652 B CN 104964652B CN 201510359087 A CN201510359087 A CN 201510359087A CN 104964652 B CN104964652 B CN 104964652B
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Abstract
The present invention discloses a kind of battery winding production detection method based on machine vision, comprises the following steps：(1) battery winding production equipment is set, NI Vision Builder for Automated Inspection, rotating disk, detection means and absolute coordinate system stairs device are being set thereon, detection means includes the first detection components, and the first detection components include the first briquetting, the first diaphragm paper and the first camera；(2) to preset standard average distance value between the first diaphragm paper and the first briquetting and gauged distance difference；(3) initial absolute coordinate origin calibration is carried out to the first camera；(4) judge whether to need the demarcation for re-starting absolute coordinate origin；(5) calibration is booted up to the first camera；The distance between (6) first briquettings and the first diaphragm paper detect；(7) repeat step (4), (5), (6), complete to enter Line Continuity detection to the winding distance between the first briquetting and the first diaphragm paper and distance difference in different time points.Also disclose battery winding equipment.
Description
Technical field
The present invention relates to battery winding equipment, more particularly to a kind of battery winding production detection method based on machine vision
And equipment.
Background technology
In recent years, the application of machine vision is more and more extensive, and it has been obtained for extensively in the various aspects of quality testing
Application.At present, occurred applying NI Vision Builder for Automated Inspection on the battery winding equipment of rotating disc type.One battery winding winding
Standby to need three cameras to observe three stations, the function of this three stations is respectively：(1) detect diaphragm paper and briquetting away from
From whether qualified；(2) detect negative plate and whether the distance of diaphragm paper is qualified；(3) detecting positive plate and the distance of diaphragm paper is
It is no qualified.Can be with the relative position of auxiliary judgment film releasing whether in specification using NI Vision Builder for Automated Inspection.This detection method master
If using the video of camera observation as absolute coordinate, to adjust briquetting position, so that it is determined that with diaphragm paper relative position, then
Negative plate and positive plate relative position are adjusted using diaphragm paper relative position.
And above-mentioned detection method is in actual applications, some following deficiency be present：(1) detection method is complicated, adjusts the distance
Measurement is inaccurate, causes the regulation to the relative position of film releasing inaccurate；(2) because of vibrations or the influence of human factor so that take the photograph
As the position of head is offset relative to whole equipment board so that should " absolute " coordinate it is not absolute；(3) briquetting because
Often changed to repair, many difficulties are brought to tune machine and daily production；(4) can not continue to monitor, periodic detection (generally one
Week) management and control camera movement cause production on risk it is larger；(5) using vision system correction briquetting position operability compared with
It is low, machine cycle length is adjusted, influences to produce.
The content of the invention
For above-mentioned deficiency, it is an object of the invention to provide a kind of battery winding based on machine vision to produce detection side
Method and equipment, its accuracy of detection is high, reduces erroneous judgement risk, without persistently monitoring, and detection method is simple, accurate, precision is high, briquetting
Position adjustments are easy, improve production efficiency.
The present invention is that technical scheme is used by reaching above-mentioned purpose：
A kind of battery winding production detection method based on machine vision, it is characterised in that comprise the following steps：
(1) a battery winding production equipment is set, NI Vision Builder for Automated Inspection is set in the battery winding production equipment, turned
Disk and the detection means and absolute coordinate system stairs device for being respectively arranged at disk edge, the detection means include the first inspection
Survey component, first detection components include the first briquetting, the first diaphragm paper for being arranged on the first briquetting and are arranged at first
The first camera above diaphragm paper side, is integrated with vision system software in the NI Vision Builder for Automated Inspection, and it is respectively with first
Camera and the connection of absolute coordinate system stairs device；
(2) by the NI Vision Builder for Automated Inspection to presetting a standard average distance value between the first diaphragm paper and the first briquetting
A, and a gauged distance difference B；
(3) initial absolute coordinate origin calibration is carried out to first camera：
(3.1) battery winding equipment is opened, the absolute coordinate system stairs device is passed through into turntable rotation to the first shooting
Immediately below head, the first camera collection image information, initial absolute coordinate origin is generated by the NI Vision Builder for Automated Inspection
(p, q), and the demarcation numerical generation of the initial absolute coordinate origin is in the csv documents of vision system software；
(3.2) value allowed the abscissa x and ordinate y default one of the initial absolute coordinate origin (p, q) of generation
Scope is：P-m≤x≤p+m, and q-n≤y≤q+n；
(4) definitely sat using before first camera, judging whether to need to re-start first camera
Mark the demarcation of origin, if desired, then repeat step (3)；If need not, carry out step (5)；
(5) calibration is booted up to first camera：Judge whether to need to carry out the first camera start school
Standard, if need not, carry out step (6)；Otherwise, the absolute coordinate system stairs device is passed through into turntable rotation to first again
Immediately below camera, the first camera collection image information, the coordinate value of the NI Vision Builder for Automated Inspection generation origin of coordinates,
And by this coordinate value compared with the span that the transverse and longitudinal coordinate of absolute coordinate origin allows, if in span,
Step (6) is carried out, otherwise, the NI Vision Builder for Automated Inspection prompts warning message, then searches reason, recalibrates the first camera
Position；
(6) the distance between described first briquetting and the first diaphragm paper detect：
(6.1) first camera gathers the image information of the first briquetting and the first diaphragm paper, is regarded by the machine
The distance that feel system can obtain the first diaphragm paper top edge and lower edge is respectively a, b, the first briquetting top edge and following
The distance of edge is respectively c, d；
(6.2) NI Vision Builder for Automated Inspection calculates the distance between the first briquetting and the first diaphragm paper A1, A1Calculation formula
For：The poor B of the distance between first briquetting and the first diaphragm paper1, B1Calculation formula be：B1=(d-
b)-(c-a)；
(6.3) NI Vision Builder for Automated Inspection is by the distance between the first briquetting calculated and the first diaphragm paper A1, and the
The poor B of the distance between one briquetting and the first diaphragm paper1, enter respectively with default standard average distance value A and gauged distance difference B
Row compare, continuously judge between first diaphragm paper and the first briquetting winding distance and distance difference it is whether qualified；
(7) repeat step (4), (5), (6), complete in different time points between first briquetting and the first diaphragm paper
Winding distance and distance difference enter Line Continuity detection.
As a further improvement on the present invention, in the step (1), the detection means also includes the second detection components
With the 3rd detection components, wherein, second detection components include second camera, the second briquetting and are set in turn in second
The second diaphragm paper and negative plate on briquetting, the 3rd detection components include the 3rd camera, the 3rd briquetting and set gradually
In the 3rd diaphragm paper and positive plate on the 3rd briquetting.
As a further improvement on the present invention, when repeating said steps (4), (5), in addition to respectively to second camera with
The step of 3rd camera boots up calibration.
As a further improvement on the present invention, it also includes step (8)：The NI Vision Builder for Automated Inspection according to the first briquetting with
Relative position between first diaphragm paper, adjust between negative plate and the second diaphragm paper, between positive plate and the 3rd diaphragm paper
Relative position.
As a further improvement on the present invention, in the step (1), the absolute coordinate system stairs device, which is fixed on, to be turned
Plate edge, a fixed absolute coordinate system is provided for the rotating disk.
As a further improvement on the present invention, in the step (6.3), the B1 calculated is on the occasion of the first briquetting phase of expression
For the first diaphragm paper to tilt counterclockwise, B1 is that negative value represents that the first briquetting relative to the first diaphragm paper is to tilt clockwise.
Implement the battery winding equipment based on machine vision of above-mentioned detection method, it is characterised in that it includes machine and regarded
Feel system, rotating disk, the detection means for being respectively arranged at disk edge and absolute coordinate system stairs device；Wherein described detection means
Including the first detection components, first detection components include the first briquetting, the first diaphragm paper being arranged on the first briquetting and set
The first camera being placed in above the first diaphragm paper side；Vision system software, and its point are integrated with the NI Vision Builder for Automated Inspection
It is not connected with the first camera and absolute coordinate system stairs device.
As a further improvement on the present invention, the detection means also includes the second detection components and the 3rd detection components,
Wherein, second detection components include second camera, the second briquetting and the second barrier film being set in turn on the second briquetting
Paper and negative plate, the 3rd detection components include the 3rd camera, the 3rd briquetting and be set in turn on the 3rd briquetting the
Three diaphragm papers and positive plate.
As a further improvement on the present invention, the absolute coordinate system stairs device is fixed on disk edge, turns to be described
Disk provides a fixed absolute coordinate system.
As a further improvement on the present invention, the absolute coordinate system stairs device bulk shape is L-shaped.
Beneficial effects of the present invention are：Absolute coordinate origin calibration is carried out to camera by absolute coordinate system stairs device
And start calibration so that the video of camera has an absolute coordinate system, reduces because the movement of camera is made to detection process
Into the risk of erroneous judgement, so as to improve accuracy of detection；Calibration is booted up before detection every time, without lasting monitoring, periodic detection
And whether management and control camera moves；Detection method is simple, accurate, precision is high, and position adjustments are convenient accurate；By with " definitely
The vision system software of coordinate system " calibrating function, it can unify to adjust the position of briquetting, regulation is easy, improves production efficiency.
Above-mentioned is the general introduction of inventive technique scheme, below in conjunction with accompanying drawing and embodiment, the present invention is done further
Explanation.
Brief description of the drawings
Fig. 1 is the structural representation of battery winding equipment of the embodiment of the present invention；
Fig. 2 is the flow chart of the embodiment of the present invention.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined purpose is taken, below in conjunction with accompanying drawing
And preferred embodiment, the embodiment of the present invention is described in detail.
Embodiment one
Fig. 1 and Fig. 2 are refer to, the embodiment of the present invention one discloses a kind of battery winding production detection based on machine vision
Method, it comprises the following steps：
(1) a battery winding production equipment is set, NI Vision Builder for Automated Inspection is set in the battery winding production equipment, turned
Disk 1 and the detection means and absolute coordinate system stairs device 2 for being respectively arranged at the edge of rotating disk 1, the detection means include first
Detection components 3, first detection components 3 include the first briquetting 31, the first diaphragm paper 32 for being arranged on the first briquetting 31 and
The first camera 33 being arranged above the side of the first diaphragm paper 32, vision system software is integrated with the NI Vision Builder for Automated Inspection,
And it is connected with the first camera 33 and absolute coordinate system stairs device 2 respectively；
(2) by the NI Vision Builder for Automated Inspection to presetting a standard average departure between the first diaphragm paper 32 and the first briquetting 31
From value A, and a gauged distance difference B；
(3) initial absolute coordinate origin calibration is carried out to first camera 33：
(3.1) battery winding equipment is opened, the absolute coordinate system stairs device 2 is rotated to first by rotating disk 1 and taken the photograph
Immediately below first 33, first camera 33 gathers image information, is generated by the NI Vision Builder for Automated Inspection and initially definitely sat
Origin (p, q) is marked, and the demarcation numerical generation of the initial absolute coordinate origin is in the csv documents of vision system software；
(3.2) value allowed the abscissa x and ordinate y default one of the initial absolute coordinate origin (p, q) of generation
Scope is：P-m≤x≤p+m, and q-n≤y≤q+n；
(4) exhausted using before first camera 33, judging whether to need to re-start first camera 33
Demarcation to the origin of coordinates, if desired, then repeat step (3)；If need not, carry out step (5)；
(5) calibration is booted up to first camera 33：Judge whether to need to carry out first camera 33 to open
Machine is calibrated, if need not, carry out step (6)；Otherwise, the absolute coordinate system stairs device 2 is rotated by rotating disk 1 again
To the first camera 33, first camera 33 gathers image information, and the NI Vision Builder for Automated Inspection generation coordinate is former
The coordinate value of point, and by this coordinate value compared with the span that the transverse and longitudinal coordinate of absolute coordinate origin allows, if taking
In the range of value, then step (6) is carried out, otherwise, the NI Vision Builder for Automated Inspection prompts warning message, then searches reason, recalibrates
The position of first camera 33；
(6) the distance between described diaphragm paper 32 of first briquetting 31 and first detects：
(6.1) first camera 33 gathers the image information of the first briquetting 31 and the first diaphragm paper 32, by described
The distance that NI Vision Builder for Automated Inspection can obtain the top edge of the first diaphragm paper 32 and lower edge is respectively a, b, on first briquetting 31
The distance of edge and lower edge is respectively c, d；
(6.2) NI Vision Builder for Automated Inspection calculates the distance between the first briquetting 31 and the first diaphragm paper 32 A1, A1Calculating
Formula is：The poor B of the distance between first briquetting 31 and the first diaphragm paper 321, B1Calculation formula be：
B1=(d-b)-(c-a)；
(6.3) NI Vision Builder for Automated Inspection is by the distance between the first briquetting 31 calculated and the first diaphragm paper 32 A1,
And the first poor B of the distance between briquetting 31 and the first diaphragm paper 321, respectively with default standard average distance value A and normal pitch
Deviation value B is compared, and continuously judges winding distance and distance difference between the briquetting 31 of the first diaphragm paper 32 and first
It is whether qualified；
(7) repeat step (4), (5), (6), complete in different time points to the diaphragm paper 32 of the first briquetting 31 and first
Between winding distance and distance difference enter Line Continuity detection.
In the step (1), the absolute coordinate system stairs device is fixed on disk edge, and one is provided for the rotating disk
Individual fixed absolute coordinate system.
In the step (6.3), it on the occasion of representing the first briquetting relative to the first diaphragm paper is the inverse time that the B1 that calculates, which is,
Pin tilts, and B1 is that negative value represents that the first briquetting relative to the first diaphragm paper is to tilt clockwise.
Meanwhile in the present embodiment, first camera hangs on disk edge by the miscellaneous part in equipment
Top.
The present embodiment also discloses the battery winding equipment based on machine vision for implementing the above method, and it includes machine and regarded
Feel system, rotating disk 1, the detection means and absolute coordinate system stairs device 2 for being respectively arranged at the edge of rotating disk 1, wherein, the detection
Device includes the first detection components 3, and first detection components 3 include the first briquetting 31, first be arranged on the first briquetting 31
Diaphragm paper 32 and the first camera 33 being arranged above the side of the first diaphragm paper 32, vision is integrated with the NI Vision Builder for Automated Inspection
System software, and it is connected with the first camera 33 and absolute coordinate system stairs device 2 respectively.The absolute coordinate system step dress
Put 2 and be fixed on the edge of rotating disk 1, a fixed absolute coordinate system is provided for the rotating disk 1.The absolute coordinate system stairs device 2
Bulk shape is L-shaped.
The present embodiment introduces absolute coordinate system stairs device 2 so that " absolute coordinate is embedded on battery winding equipment
System ".Before first camera 33 is used first, initial absolute coordinate origin calibration is first carried out.Subsequently actually using
During, artificially judge whether to need to re-start absolute coordinate origin calibration, if need not re-scale, subsequently carrying out
During start calibration calibration is booted up using initial absolute coordinate origin；If desired origin of coordinates demarcation is carried out again, then rear
Continue when booting up calibration using the origin of coordinates re-scaled.
In actual use, if the first camera 33 generates displacement, calibration is booted up, is judged again
The origin of coordinates of generation whether in the span of absolute coordinate origin transverse and longitudinal coordinate, if not in this range, the machine
Vision system prompts warning message, then searches reason, recalibrates the position of the first camera 33, until the coordinate regenerated
Origin is in the span of absolute coordinate origin transverse and longitudinal coordinate；Otherwise directly carry out the first briquetting 31 and the first diaphragm paper 32 it
Between distance detection.
By checking, in use, after booting up calibration by absolute coordinate system stairs device 2, first images
First 33 meet the definition of equipment process " absolute " relative to the precision of the position of whole equipment rotating disk, and the coordinate regenerated is former
The transverse and longitudinal coordinate of point is in the span of absolute coordinate origin transverse and longitudinal coordinate.So that pressed by the first camera 33 first
Between the diaphragm paper 32 of block 31 and first during the detection of distance, the distance detected is more accurate, and precision is higher.
Embodiment two
The main distinction of embodiment two and embodiment one is：In the step (1), the detection means also includes the
Two detection components 4 and the 3rd detection components 5, wherein, second detection components 4 include second camera 41, the second briquetting 42,
And the second diaphragm paper 43 and negative plate 44, the 3rd detection components 5 being set in turn on the second briquetting 42 are taken the photograph including the 3rd
As first 51, the 3rd briquetting 52 and the 3rd diaphragm paper 53 and positive plate 54 that are set in turn on the 3rd briquetting 52；Repeat the step
Suddenly (4), (5), in addition to the step of boot up calibration to the camera 51 of second camera 41 and the 3rd respectively；Meanwhile also wrap
Step (8) is included, the NI Vision Builder for Automated Inspection adjusts negative pole according to the relative position between the first briquetting 31 and the first diaphragm paper 32
Relative position between the diaphragm paper 43 of piece 44 and second, between the diaphragm paper 53 of positive plate 54 and the 3rd.
Meanwhile the detection means in the battery winding equipment based on machine vision also include the second detection components 4 with
3rd detection components 5, wherein, second detection components 4 include second camera 41, the second briquetting 42 and are set in turn in
The second diaphragm paper 43 and negative plate 44, the 3rd detection components 5 on second briquetting 42 are pressed including the 3rd camera the 51, the 3rd
Block 52 and the 3rd diaphragm paper 53 and positive plate 54 being set in turn on the 3rd briquetting 52.Other steps and component and embodiment
One is identical, no longer unnecessary herein.
In actual production, a battery winding equipment needs three cameras to detect three stations, this three stations point
It is not：(1) diaphragm paper and briquetting distance, (2) negative plate and diaphragm paper distance, and (3) positive plate and diaphragm paper distance.Embodiment
One detection method provided is detection to distance between diaphragm paper and briquetting, the present embodiment obtained by embodiment one the
Relative position between one briquetting and the first diaphragm paper, adjust between negative plate and the second diaphragm paper, positive plate and the 3rd barrier film
Relative position between paper, detect between negative plate and the second diaphragm paper, the side of the distance between positive plate and the 3rd diaphragm paper
The method that method detects distance between the first briquetting and the first diaphragm paper with embodiment one is identical.Pass through the above method, you can respectively
Absolute coordinate origin calibration and start calibration are carried out to the first camera, second camera and the 3rd camera, ensures that first takes the photograph
As the position of head, second camera and the 3rd camera meets the requirement detected using it.
Vision system software is integrated with the NI Vision Builder for Automated Inspection of the present invention, the software has automatic Memory function, can be with
Last time start calibration result is preserved, even if software is closed, is not required to boot up calibration again after being again turned on, still can be according to it
The start calibration result of preceding preservation continues to run with, and has been really achieved according to the actual requirements to boot up the purpose of calibration.Simultaneously
The numerical value for carrying out absolute coordinate origin calibration every time is generated in the csv documents of the software, therefore each demarcation numerical value
To be found in csv documents again.NI Vision Builder for Automated Inspection with absolute coordinate system stairs device by being connected, regarding in NI Vision Builder for Automated Inspection
Feel that system software has " absolute coordinate system " calibrating function, the very convenient engineer's tune machine of " basic parameter " in its menu, root
Position and the gradient of several briquettings can be uniformly adjusted according to " up/down at briquetting edge " relative position, adjusts machine easy, easily behaviour
Make, improve production efficiency.
The emphasis of the present invention is essentially consisted in, and absolute coordinate origin mark is carried out to camera by absolute coordinate system stairs device
Fixed and start calibration so that the video of camera has an absolute coordinate system, reduces the movement because of camera to detection process
The risk of erroneous judgement is caused, so as to improve accuracy of detection；Calibration is booted up before detection every time, without lasting monitoring, periodically inspection
Survey and whether management and control camera moves；Detection method is simple, accurate, precision is high, and position adjustments are convenient accurate；By with " absolutely
To coordinate system " vision system software of calibrating function, it can unify to adjust the position of briquetting, regulation is easy, improves production efficiency.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore identical with the above embodiment of the present invention or approximate technical characteristic is used, and other obtained battery windings based on machine vision
Around production detection method and equipment, within protection scope of the present invention.
Claims (10)
1. a kind of battery winding production detection method based on machine vision, it is characterised in that comprise the following steps：
(1) set a battery winding production equipment, in the battery winding production equipment set NI Vision Builder for Automated Inspection, rotating disk,
And the detection means and absolute coordinate system stairs device of disk edge are respectively arranged at, the detection means includes the first detection group
Part, first detection components include the first briquetting, the first diaphragm paper being arranged on the first briquetting and are arranged at the first barrier film
The first camera above paper side, is integrated with vision system software in the NI Vision Builder for Automated Inspection, and its respectively with the first shooting
Head and the connection of absolute coordinate system stairs device；
(2) by the NI Vision Builder for Automated Inspection to a default standard average distance value A between the first diaphragm paper and the first briquetting, and
One gauged distance difference B；
(3) initial absolute coordinate origin calibration is carried out to first camera：
(3.1) open battery winding equipment, by the absolute coordinate system stairs device by turntable rotation to the first camera just
Lower section, the first camera collection image information, by the NI Vision Builder for Automated Inspection generate initial absolute coordinate origin (p,
Q), and the initial absolute coordinate origin demarcation numerical generation in the csv documents of vision system software；
(3.2) span allowed the abscissa x and ordinate y default one of the initial absolute coordinate origin (p, q) of generation
For：P-m≤x≤p+m, and q-n≤y≤q+n；
(4) before using first camera, judge whether to need to re-start the first camera absolute coordinate original
The demarcation of point, if desired, then repeat step (3)；If need not, carry out step (5)；
(5) calibration is booted up to first camera：Judge whether to need to carry out the first camera start calibration, if
Need not, then carry out step (6)；Otherwise, the absolute coordinate system stairs device is passed through into turntable rotation to the first shooting again
Immediately below head, the first camera collection image information, the coordinate value of the NI Vision Builder for Automated Inspection generation origin of coordinates, and will
This coordinate value, if in span, is carried out compared with the span that the transverse and longitudinal coordinate of absolute coordinate origin allows
Step (6), otherwise, the NI Vision Builder for Automated Inspection prompt warning message, then search reason, recalibrate the position of the first camera
Put；
(6) the distance between described first briquetting and the first diaphragm paper detect：
(6.1) first camera gathers the image information of the first briquetting and the first diaphragm paper, passes through the machine vision system
The distance that system can obtain the first diaphragm paper top edge and lower edge is respectively a, b, the first briquetting top edge and lower edge
Distance respectively c, d；
(6.2) NI Vision Builder for Automated Inspection calculates the distance between the first briquetting and the first diaphragm paper A1, A1Calculation formula be：The poor B of the distance between first briquetting and the first diaphragm paper1, B1Calculation formula be：B1=(d-b)-
(c-a)；
(6.3) NI Vision Builder for Automated Inspection is by the distance between the first briquetting calculated and the first diaphragm paper A1, and the first briquetting
The distance between first diaphragm paper poor B1, compared respectively with default standard average distance value A and gauged distance difference B
Compared with, continuously judge between first diaphragm paper and the first briquetting winding distance and distance difference it is whether qualified；
(7) repeat step (4), (5), (6), complete in different time points to the volume between first briquetting and the first diaphragm paper
Enter Line Continuity detection around distance and distance difference.
2. the battery winding production detection method based on machine vision as claimed in claim 1, it is characterised in that in the step
Suddenly in (1), the detection means also includes the second detection components and the 3rd detection components, wherein, the second detection components bag
Include second camera, the second briquetting and the second diaphragm paper and negative plate being set in turn on the second briquetting, the 3rd detection
Component includes the 3rd camera, the 3rd briquetting and the 3rd diaphragm paper and positive plate being set in turn on the 3rd briquetting.
3. the battery winding production detection method based on machine vision as claimed in claim 2, it is characterised in that described in repeating
When step (4), (5), in addition to the step of boot up calibration to second camera and the 3rd camera respectively.
4. the battery winding production detection method based on machine vision as claimed in claim 3, it is characterised in that it also includes
Step (8)：The NI Vision Builder for Automated Inspection adjusts negative plate and the according to the relative position between the first briquetting and the first diaphragm paper
Relative position between two diaphragm papers, between positive plate and the 3rd diaphragm paper.
5. the battery winding production detection method based on machine vision as claimed in claim 1, it is characterised in that in the step
Suddenly in (1), the absolute coordinate system stairs device is fixed on disk edge, and a fixed absolute coordinate is provided for the rotating disk
System.
6. the battery winding production detection method based on machine vision as claimed in claim 1, it is characterised in that the step
(6.3) in, for the B1 calculated to be to tilt counterclockwise on the occasion of representing the first briquetting relative to the first diaphragm paper, B1 is that negative value represents
First briquetting is inclination clockwise relative to the first diaphragm paper.
7. implement the battery winding equipment based on machine vision of one of the claim 1-6 detection method, it is characterised in that
It includes NI Vision Builder for Automated Inspection, rotating disk, the detection means for being respectively arranged at disk edge and absolute coordinate system stairs device；Wherein
The detection means includes the first detection components, and first detection components include the first briquetting, be arranged on the first briquetting the
One diaphragm paper and the first camera being arranged above the first diaphragm paper side；Vision system is integrated with the NI Vision Builder for Automated Inspection
Software, and it is connected with the first camera and absolute coordinate system stairs device respectively.
8. the battery winding equipment based on machine vision as claimed in claim 7, it is characterised in that the detection means is also wrapped
Include the second detection components and the 3rd detection components, wherein, second detection components include second camera, the second briquetting and
The second diaphragm paper and the negative plate being set in turn on the second briquetting, the 3rd detection components include the 3rd camera, the 3rd
Briquetting and the 3rd diaphragm paper and positive plate being set in turn on the 3rd briquetting.
9. the battery winding equipment based on machine vision as claimed in claim 7, it is characterised in that the absolute coordinate system platform
Rank device is fixed on disk edge, and a fixed absolute coordinate system is provided for the rotating disk.
10. the battery winding equipment based on machine vision as claimed in claim 7, it is characterised in that the absolute coordinate system
Stairs device bulk shape is L-shaped.
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| CN201510359087.6A CN104964652B (en) | 2015-06-25 | 2015-06-25 | A kind of battery winding production detection method and equipment based on machine vision |
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| 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 |
| TWI734107B (en) * | 2019-04-30 | 2021-07-21 | 住華科技股份有限公司 | An optical inspection device and its optical inspection method |
| 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 |
| CN115808130B (en) * | 2021-10-14 | 2023-12-12 | 宁德时代新能源科技股份有限公司 | Battery cell winding calibration method and device |
| 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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| 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 |
| 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 |
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