CN109269420A - Naked battery core apparent size and pole piece deviation correction detection method, equipment, medium and system - Google Patents

Naked battery core apparent size and pole piece deviation correction detection method, equipment, medium and system Download PDF

Info

Publication number
CN109269420A
CN109269420A CN201811010883.9A CN201811010883A CN109269420A CN 109269420 A CN109269420 A CN 109269420A CN 201811010883 A CN201811010883 A CN 201811010883A CN 109269420 A CN109269420 A CN 109269420A
Authority
CN
China
Prior art keywords
battery core
naked battery
coordinate
naked
pole piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811010883.9A
Other languages
Chinese (zh)
Inventor
张俊峰
叶长春
卢韩毅
吴朝阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Supersonic Automation Technology Co Ltd
Original Assignee
Guangzhou Supersonic Automation Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Supersonic Automation Technology Co Ltd filed Critical Guangzhou Supersonic Automation Technology Co Ltd
Priority to CN201811010883.9A priority Critical patent/CN109269420A/en
Publication of CN109269420A publication Critical patent/CN109269420A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/14Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention provides naked battery core apparent size and pole piece deviation correction detection method, comprising steps of receiving signal in place, acquires naked battery core image, detects naked battery core apparent size, searches parameter coordinate, coordinates computed distance, pole piece deviation correction.The present invention relates to electronic equipments and readable storage medium storing program for executing, for executing the above method.The invention further relates to naked battery core apparent size and pole piece deviation correction detection systems.Present invention realization detects naked battery core apparent size automatically, and to detecting that defective naked battery core rejects, the measurement accuracy of naked battery core apparent size is high, can satisfy the battery core design high-precision requirement increasingly promoted;The image arrived by analysis detection, detect the anode and cathode spacing, anode and diaphragm spacing of pole piece, monovolume is carried out to defective pole piece, to zero defect but spacing pole piece devious is wound correction, it solves the problems, such as the anode of pole piece and cathode spacing, anode and diaphragm spacing detection and correction in winding process, ensure that the quality of electric core winding.

Description

Naked battery core apparent size and pole piece deviation correction detection method, equipment, medium and system
Technical field
The present invention relates to naked battery core apparent size and pole piece deviation correction detection technique field more particularly to naked battery core apparent sizes With pole piece deviation correction detection method, equipment, medium and system.
Background technique
Existing naked battery core detection method is usually manual measurement, compresses naked battery core by manpower, then uses vernier calliper Ruler blocks naked battery core and measures, but have the following deficiencies: manpower compress naked battery core strength and compacted thickness it is variant;Manually Blocked using vernier caliper measure naked battery core dynamics it is also variant;The precision of vernier caliper is 0.01mm, and naked battery core width Specification limit be ± 0.25mm, measurement accuracy can not meet the requirements.Existing measurement method leads to the measurement of naked battery core Accuracy is lower, is unable to satisfy the battery core design high-precision requirement increasingly promoted.
In the production process of lithium battery, need first by the positive plate of lithium battery, negative electrode tab and membrane winding at battery core.It should In process, pole piece degree of registration is that an important index of measurement battery core quality can if pole piece degree of registration does not reach requirement Service life and security performance to battery core generate significant impact, or even can directly result in scrapping for naked battery core.In the prior art, After clamping pole piece using clamping component, pole piece is driven to be inserted to volume needle by driving assembly driving clamping component.However, due to pole piece Starting point the problems such as being prone to bending, deviating so that the target position in the physical location of the starting point of pole piece and volume needle Dislocation is generated, adjustment component is used to be adjusted to the starting point of pole piece to be directed at volume needle at this time.Above-mentioned inserted sheet correction mode Pole piece can only be inserted on volume needle and be rectified a deviation, deviation rectification accuracy is lower, it cannot be guaranteed that the quality of electric core winding.Therefore, it needs One kind being related to naked battery core apparent size and pole piece deviation correction detection method and system.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide naked battery core apparent sizes and pole piece to entangle Inclined detection method, solving existing measurement method causes the measurement accuracy of naked battery core lower, is unable to satisfy and increasingly promotes Battery core designs high-precision requirement, and inserted sheet correction mode in the prior art can only be inserted to pole piece on volume needle and rectify a deviation, rectify a deviation Accuracy is lower, it cannot be guaranteed that the problem of the quality of electric core winding.
The present invention provides naked battery core apparent size and pole piece deviation correction detection method, comprising the following steps:
Signal in place is received, receives the first naked battery core signal in place, and signal controls in place according to the described first naked battery core The mobile naked battery core of naked battery core shift unit is to detecting position;
Naked battery core image is acquired, receives the second naked battery core signal in place, and signal is sent out in place according to the described second naked battery core It send acquisition signal to image collecting device to carry out Image Acquisition, obtains naked battery core image;
Naked battery core apparent size is detected, naked battery core position is searched on the naked battery core image by positional parameter, in institute It states and naked cell polar ear spacing, naked battery core width is measured at naked battery core position, judge the naked cell polar ear spacing, naked electricity Whether core width is that then naked battery core apparent size is normal in threshold value, and otherwise naked battery core apparent size is abnormal;
Parameter coordinate is searched, the pole piece image of acquisition is obtained, the pole piece image septation is searched by Measurement Algorithm and is sat Mark, anode coordinate, cathode coordinate;
Coordinates computed distance by the diaphragm coordinate and the anode combinatorial coordinates, and calculates the diaphragm coordinate and institute The distance between anode coordinate is stated, by the diaphragm coordinate and the cathode combinatorial coordinates, and calculates the diaphragm coordinate and institute State the distance between cathode coordinate;
Pole piece deviation correction, judge respectively the distance between the diaphragm coordinate and the anode coordinate, the diaphragm coordinate with Whether the distance between described cathode coordinate and deviation-rectifying system data have deviation, are to calculate offset distance and be sent to automatic volume Controller error correct mechanism around machine is wound correction.
Further, further include the processing of step testing result, if naked battery core apparent size is normal, control the naked battery core The naked battery core is transferred to next station of up- coiler by shift unit, and the reception signal in place that gos to step;If naked battery core Apparent size is abnormal, then controls next station that the naked battery core is transferred to up- coiler by the naked battery core shift unit, simultaneously It sends unqualified signal and rejecting processing is carried out to the naked battery core to up- coiler, and the reception signal in place that gos to step;
In the lookup parameter coordinate, the anode coordinate includes first anode coordinate, second plate coordinate, the diaphragm Coordinate includes the first diaphragm coordinate, the second diaphragm coordinate, and the cathode coordinate includes the first cathode coordinate, the second cathode coordinate, The first diaphragm coordinate in the pole piece image, the second diaphragm coordinate, first anode coordinate, second plate are searched by Measurement Algorithm Coordinate, the first cathode coordinate, the second cathode coordinate.
Further, signal is that the naked battery core is located at the signal of up- coiler detection zone to the described first naked battery core in place, Signal is that the naked battery core is located at the signal for detecting position to the second naked battery core in place;
In the coordinates computed distance, by the first diaphragm coordinate and the first anode combinatorial coordinates, and institute is calculated State the distance between the first diaphragm coordinate and the first anode coordinate, obtain first distance, by the second diaphragm coordinate with The second plate combinatorial coordinates, and the distance between the second diaphragm coordinate and the second plate coordinate are calculated, it obtains Second distance by the first anode coordinate and the first cathode combinatorial coordinates, and calculates the first anode coordinate and institute The distance between first cathode coordinate is stated, third distance is obtained, by the second plate coordinate and the second cathode set of coordinates It closes, and calculates the distance between the second plate coordinate and the second cathode coordinate, obtain the 4th distance.
Further, it in the naked battery core apparent size of detection, is generated on the naked battery core image by positional parameter First posting and the second posting search naked battery core position according to the first posting and the second posting;
In the pole piece deviation correction, the deviation-rectifying system data include the first reference distance, the second reference distance, third reference Distance, the 4th reference distance judge the first distance and first reference distance, the second distance and described the respectively Two reference distances, the third distance and the third reference distance, the 4th distance and the 4th reference distance whether There is deviation, be, calculate offset distance, and the controller error correct mechanism for being sent to sutomatic winding machine is wound correction, it is no It then gos to step and searches parameter coordinate.
Further, in the naked battery core apparent size of detection, the positioning of the first tab is generated at the naked battery core position Frame, the second tab posting, the first naked battery core edge posting, the second naked battery core edge posting, it is fixed to first tab Naked cell polar ear spacing in position frame, the second tab posting measures, to the described first naked battery core edge posting, second Naked battery core width in naked battery core edge posting measures;
In the pole piece deviation correction, the deviation-rectifying system data further include first threshold range, second threshold range, third threshold Be worth range, the 4th threshold range, judge the first distance whether the first threshold range, the second distance whether The second threshold range, third distance whether in the third threshold range, the 4th distance whether described the Four threshold ranges, if any one of the first distance, the second distance, the third distance, described 4th distance are no In corresponding threshold range, then sends a control signal to sutomatic winding machine and carry out monovolume.
A kind of electronic equipment, comprising: processor;
Memory;And program, wherein described program is stored in the memory, and is configured to by processor It executes, described program includes for executing above-mentioned naked battery core apparent size and pole piece deviation correction detection method.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor The above-mentioned naked battery core apparent size of row and pole piece deviation correction detection method.
Naked battery core apparent size and pole piece deviation correction detection system, including up- coiler, first sensor, second sensor, figure As acquisition device, I O board card, industrial personal computer, naked battery core apparent size detection module, pole piece deviation correction module, naked battery core shift unit; The up- coiler includes up- coiler ontology, controller, deviation correction mechanism, the controller and the up- coiler ontology, the correction Mechanism connection, the up- coiler ontology are connect with the deviation correction mechanism, and the second sensor and described image acquisition device connect It connects, the first sensor, described image acquisition device, the naked battery core shift unit are connect with the industrial personal computer, the work Control machine is connect by the I O board card with the up- coiler, the naked battery core apparent size detection module, the pole piece deviation correction mould Block is mounted in the industrial personal computer;The first sensor detects the naked battery core of detection zone on the up- coiler, and by first Signal is sent to the naked battery core apparent size detection module to naked battery core in place, the naked battery core apparent size detection module according to The first naked battery core signal control in place naked battery core shift unit transfers the naked battery core to described image acquisition device Detection position, the first sensor detect it is described detection position naked battery core, and by the second naked battery core in place signal send To the naked battery core apparent size detection module, the naked battery core apparent size detection module according to the described second naked battery core in place Signal controls described image acquisition device and acquires naked battery core image, and the naked battery core apparent size detection module detects the naked electricity Naked cell polar ear spacing, naked battery core width in core image generate testing result;Pole piece is placed on the up- coiler ontology, described Second sensor detects the rotating the needle position of the up- coiler ontology, and send acquisition signal to described image acquisition device, it is described Image collecting device is sent to the industrial personal computer, institute according to the acquisition signal acquisition pole piece image, and by the pole piece image Pole piece deviation correction module is stated to handle the pole piece image, detect the pole piece image septation and anode spacing, anode with Whether cathode spacing and deviation-rectifying system data have deviation, and deviation data is sent to the controller by the pole piece deviation correction module, The controller controls the deviation correction mechanism and is wound correction to the up- coiler ontology.
Further, the testing result includes naked battery core apparent size normally and naked battery core apparent size is abnormal, when naked When battery core apparent size is normal, the naked battery core apparent size detection module controls the naked battery core shift unit for the naked electricity Core is transferred to next station of up- coiler, when naked battery core apparent size exception, the naked battery core apparent size detection module control It makes the naked battery core shift unit and the naked battery core is transferred to next station of up- coiler, while sending unqualified signal to volume Rejecting processing is carried out to the naked battery core around machine;
The pole piece deviation correction module detect the pole piece image septation and anode spacing, anode and cathode spacing whether In threshold range, the controller is sent a control signal to, the controller controls the deviation correction mechanism to the up- coiler sheet Body carries out monovolume.
Further, described image acquisition device includes industrial camera, camera lens, light source, and the camera lens is mounted on the work On industry camera, the light source is for illuminating naked battery core position to be detected, pole piece position to be detected, the industrial camera The naked battery core image, the pole piece image are acquired by the camera lens.
Compared with prior art, the beneficial effects of the present invention are:
The present invention provides naked battery core apparent size and pole piece deviation correction detection method, comprising the following steps: signal in place is received, Naked battery core image is acquired, naked battery core apparent size is detected, searches parameter coordinate, coordinates computed distance, pole piece deviation correction.The present invention relates to And electronic equipment and readable storage medium storing program for executing, for executing naked battery core apparent size and pole piece deviation correction detection method.The present invention also relates to And naked battery core apparent size and pole piece deviation correction detection system.Present invention realization detects naked battery core apparent size automatically, to detecting Defective naked battery core is rejected, and the measurement accuracy of naked battery core apparent size is high, be can satisfy the battery core increasingly promoted and is set Count high-precision requirement;The image arrived by analysis detection detects the anode and cathode spacing, anode and diaphragm spacing of pole piece, right Defective pole piece carries out monovolume, and to zero defect but spacing pole piece devious is wound correction, solves in winding process The anode of pole piece and cathode spacing, anode and diaphragm spacing detection and correction problem, ensure that the quality of electric core winding.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings. A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is naked battery core apparent size and pole piece deviation correction detection system structure of the invention;
Fig. 2 is naked battery core apparent size and pole piece deviation correction detection method flow chart of the invention;
Fig. 3 is that the naked battery core apparent size of naked battery core apparent size detection module in the embodiment of the present invention detects interface signal Figure;
Fig. 4 is that the pole piece of pole piece deviation correction module in the embodiment of the present invention detects interface schematic diagram.
In figure: 1, the first posting;2, the second posting;3, the first tab posting;4, the second tab posting;5, One naked battery core edge posting;6, the second naked battery core edge posting.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination Example.
Naked battery core apparent size and pole piece deviation correction detection system, as shown in Figure 1, including up- coiler, first sensor, second Sensor, image collecting device, I O board card, industrial personal computer, naked battery core apparent size detection module, pole piece deviation correction module, naked battery core Shift unit;First sensor, image collecting device, naked battery core shift unit are connect with industrial personal computer, and industrial personal computer passes through I O board card It is connect with up- coiler, naked battery core apparent size detection module is mounted in industrial personal computer;It is detected on first sensor detection up- coiler The naked battery core in region generates the first naked battery core signal in place, and signal is sent out in place by the first naked battery core when detecting naked battery core It send to naked battery core apparent size detection module, naked battery core apparent size detection module is naked according to the signal control in place of the first naked battery core Battery core shift unit transfers naked battery core to the detection position of image collecting device, the naked electricity of first sensor detection detection position Core generates the second naked battery core signal in place, and signal is sent to naked battery core in place by the second naked battery core when detecting naked battery core Apparent size detection module, according to the second naked battery core, signal controls image collecting device to naked battery core apparent size detection module in place Naked battery core image is acquired, the naked battery core image of acquisition is sent to naked battery core apparent size by network interface card and detected by image collecting device Whether module, naked battery core apparent size detection module detect in naked battery core image naked cell polar ear spacing, naked battery core width in threshold In value, testing result is generated.
Up- coiler includes up- coiler ontology, controller, deviation correction mechanism, and controller is connect with up- coiler ontology, deviation correction mechanism, Up- coiler ontology is connect with deviation correction mechanism, and sensor is connect with image collecting device, and image collecting device is connect with industrial personal computer, work Control machine is connect with up- coiler, and pole piece deviation correction module is mounted in industrial personal computer;Pole piece is placed on up- coiler ontology, sensor detection volume Around the rotating the needle position of machine ontology, when sensor detects the rotating the needle position of up- coiler ontology, sends acquisition signal to image and adopt Pole piece image is sent to industrial personal computer, pole piece deviation correction according to acquisition signal acquisition pole piece image by acquisition means, image collecting device Module handles pole piece image, detection pole piece image septation and anode spacing, anode and cathode spacing and deviation-rectifying system Whether data have deviation, if zero deflection, etc. next pole piece image to be processed, if there is deviation, pole piece deviation correction module will be inclined Difference data is sent to controller, and controller error correct mechanism is wound correction to up- coiler ontology.Preferably, pole piece deviation correction Whether module detection pole piece image septation and anode spacing, anode and cathode spacing have any one not in threshold range, It is to send a control signal to controller, controller error correct mechanism carries out monovolume to up- coiler ontology.
In one embodiment, it is preferred that testing result includes naked battery core apparent size normally and naked battery core apparent size is different Often, when naked battery core apparent size is normal, naked battery core apparent size detection module controls naked battery core shift unit and moves naked battery core It send to next station of up- coiler, when naked battery core apparent size exception, naked battery core apparent size detection module controls naked battery core Naked battery core is transferred to next station of up- coiler by shift unit, while being sent unqualified signal and being carried out to up- coiler to naked battery core Rejecting processing.
In one embodiment, it is preferred that image collecting device includes industrial camera, camera lens, light source, and camera lens is mounted on industry On camera, for light source for illuminating naked battery core position to be detected, pole piece position to be detected, industrial camera acquires naked battery core by camera lens Image, pole piece image.
Naked battery core apparent size and pole piece deviation correction detection method, as shown in Figure 2, comprising the following steps:
Signal in place is received, receives the first naked battery core signal in place, and signal controls naked electricity in place according to the first naked battery core The mobile naked battery core of core shift unit is to detecting position;Signal is that naked battery core is located at up- coiler detection zone to first naked battery core in place Signal.
Naked battery core image is acquired, receives the second naked battery core signal in place, and adopt according to the signal transmission in place of the second naked battery core Collect signal to image collecting device and carry out Image Acquisition, obtains naked battery core image;Signal is naked battery core position to second naked battery core in place Signal in detection position.
Naked battery core apparent size is detected, naked battery core position is searched on naked battery core image by positional parameter, in naked battery core Naked cell polar ear spacing, naked battery core width are measured at position, judge naked cell polar ear spacing, naked battery core width whether It is that then naked battery core apparent size is normal in threshold value, otherwise naked battery core apparent size is abnormal.
In one embodiment, it is preferred that further include the processing of step testing result, if naked battery core apparent size is normal, control Next station that naked battery core is transferred to up- coiler by naked battery core shift unit is made, and the reception signal in place that gos to step;If naked Battery core apparent size is abnormal, then controls next station that naked battery core is transferred to up- coiler by naked battery core shift unit, send simultaneously Unqualified signal carries out rejecting processing to naked battery core to up- coiler, and the reception signal in place that gos to step.
As shown in Figure 3, it is preferred that detect in naked battery core apparent size, generated on naked battery core image by positional parameter First posting 1 and the second posting 2, for the first posting 1 for demarcating naked battery core top, the second posting 2 is naked for demarcating Naked battery core position is searched according to the first posting 1 and the second posting 2 in battery core side edge.Preferably, naked battery core appearance ruler is detected In very little, at naked battery core position generate the first tab posting 3, the second tab posting 4, the first naked battery core edge posting 5, Second naked battery core edge posting 6, the first tab posting 3 are used for demarcating naked the first tab of battery core, the second tab posting 4 In demarcating naked the second tab of battery core, the first naked battery core edge posting 5 is for demarcating naked battery core first side edge, the second naked battery core Edge posting 6 is for demarcating naked battery core second side edge, to the naked electricity in the first tab posting 3, the second tab posting 4 Core tab spacing measures, wide to the naked battery core in the first naked battery core edge posting 5, the second naked battery core edge posting 6 Degree measures, and in Fig. 3, naked cell polar ear distance measurement result, naked battery core width measurements is shown, naked battery core pole Ear distance measurement result is 7.27, and naked battery core width measurements are 36.91, and the threshold value of naked cell polar ear spacing is 6.00- 7.00, the threshold value of naked battery core width is 35.00-36.00, and threshold value is specification limit above herein, determines naked cell polar ear spacing Measurement result not in the threshold value of naked cell polar ear spacing, naked battery core width measurements not in the threshold value of naked battery core width, Naked battery core apparent size is abnormal, controls next station that current naked battery core is transferred to up- coiler by naked battery core shift unit, simultaneously It sends unqualified signal and rejecting processing is carried out to current naked battery core to up- coiler, and the reception signal in place that gos to step.
Parameter coordinate is searched, the pole piece image of acquisition is obtained, reads parameter preset such as Sigma, threshold value, brightness change etc., Pole piece image septation coordinate, anode coordinate, cathode coordinate are searched by Measurement Algorithm;Preferably, it searches in parameter coordinate, sun Polar coordinates include first anode coordinate, second plate coordinate, and diaphragm coordinate includes the first diaphragm coordinate, the second diaphragm coordinate, yin Polar coordinates include the first cathode coordinate, the second cathode coordinate, search the first diaphragm coordinate, the in pole piece image by Measurement Algorithm Two diaphragm coordinates, first anode coordinate, second plate coordinate, the first cathode coordinate, the second cathode coordinate.As shown in figure 4, Fig. 4 Middle the top is the image of acquisition, and bottom is diaphragm, anode, cathode construction figure, and in Fig. 4, first anode coordinate is left side Anode coordinate, second plate coordinate are right side anode coordinate, and the first diaphragm coordinate is left side diaphragm coordinate, and the second diaphragm coordinate is Right side diaphragm coordinate, the first cathode coordinate are left side cathode coordinate, and the second cathode coordinate is right side cathode coordinate.
Coordinates computed distance by diaphragm coordinate and anode combinatorial coordinates, and calculates between diaphragm coordinate and anode coordinate Distance by diaphragm coordinate and cathode combinatorial coordinates, and calculates the distance between diaphragm coordinate and cathode coordinate;Preferably, it calculates In coordinate distance, by the first diaphragm coordinate and first anode combinatorial coordinates, and the first diaphragm coordinate and first anode coordinate are calculated The distance between, obtain first distance, by the second diaphragm coordinate and second plate combinatorial coordinates, and calculate the second diaphragm coordinate with The distance between second plate coordinate, obtains second distance, by first anode coordinate and the first cathode combinatorial coordinates, and calculates the The distance between one anode coordinate and the first cathode coordinate, obtain third distance, by second plate coordinate and the second cathode coordinate Combination, and the distance between second plate coordinate and the second cathode coordinate are calculated, obtain the 4th distance.In Fig. 4, first distance with L1 indicates that second distance indicates that third distance is indicated with L3 with L2, and the 4th distance is indicated with L4, by first distance, second away from With a distance from, third, the calculated result of the 4th distance be shown in the top of Fig. 4, the form that is particularly shown is " anode-diaphragm-L1 1.17 ", " anode-diaphragm-L2 0.97 ", " anode-cathode-L3 0.55 ", " anode-cathode-L4 0.84 ".
Pole piece deviation correction is judged respectively between the distance between diaphragm coordinate and anode coordinate, diaphragm coordinate and cathode coordinate Distance and deviation-rectifying system data whether have deviation, otherwise next image is handled, is to calculate offset distance and lead to Controller (PLC) the error correct mechanism for crossing UDP network protocol transmission offset distance to sutomatic winding machine is wound correction.It is excellent Choosing, in pole piece deviation correction, deviation-rectifying system data include the first reference distance, the second reference distance, third reference distance, the 4th ginseng Distance is examined, judges that first distance and the first reference distance, second distance and the second reference distance, third distance and third are joined respectively It examines whether distance, the 4th distance and the 4th reference distance have deviation, is to calculate offset distance, and be sent to sutomatic winding machine Controller error correct mechanism is wound correction, otherwise gos to step and searches parameter coordinate, i.e., to once open image carry out Processing.
In one embodiment, it is preferred that in pole piece deviation correction, deviation-rectifying system data further include first threshold range, the second threshold It is worth range, third threshold range, the 4th threshold range, in the present embodiment, first threshold range, second threshold range, third threshold It is worth range, the 4th threshold range for normal production technology specification data, judges first distance whether in first threshold range, second Distance whether second threshold range, third distance whether in third threshold range, the 4th distance whether in the 4th threshold range, If any one of first distance, second distance, third distance, the 4th distance pass through UDP not in corresponding threshold range Network protocol sends control signal (NG flag bit) to sutomatic winding machine and carries out monovolume, i.e., individually winds this unqualified pole piece Machine is scrapped, while being gone to step and being searched parameter coordinate.In Fig. 4, first threshold range 0.20-2.00, second threshold range For 0.20-2.00, third threshold range is 0.20-1.50, and the 4th threshold range is 0.20-1.50, since first distance is 1.17, second distance 0.97, third distance be 0.55, the 4th distance be 0.84, in corresponding threshold range, then not into The operation of row monovolume.
A kind of electronic equipment, comprising: processor;
Memory;And program, wherein program is stored in memory, and is configured to be executed by processor, journey Sequence includes for executing above-mentioned naked battery core apparent size and pole piece deviation correction detection method.
A kind of computer readable storage medium, is stored thereon with computer program, and computer program is executed by processor State naked battery core apparent size and pole piece deviation correction detection method.
The present invention provides naked battery core apparent size and pole piece deviation correction detection method, comprising the following steps: signal in place is received, Naked battery core image is acquired, naked battery core apparent size is detected, searches parameter coordinate, coordinates computed distance, pole piece deviation correction.The present invention relates to And electronic equipment and readable storage medium storing program for executing, for executing naked battery core apparent size and pole piece deviation correction detection method.The present invention also relates to And naked battery core apparent size and pole piece deviation correction detection system.Present invention realization detects naked battery core apparent size automatically, to detecting Defective naked battery core is rejected, and the measurement accuracy of naked battery core apparent size is high, be can satisfy the battery core increasingly promoted and is set Count high-precision requirement;The image arrived by analysis detection detects the anode and cathode spacing, anode and diaphragm spacing of pole piece, right Defective pole piece carries out monovolume, and to zero defect but spacing pole piece devious is wound correction, solves in winding process The anode of pole piece and cathode spacing, anode and diaphragm spacing detection and correction problem, ensure that the quality of electric core winding.
More than, only presently preferred embodiments of the present invention is not intended to limit the present invention in any form;All current rows The those of ordinary skill of industry can be shown in by specification attached drawing and above and swimmingly implement the present invention;But all to be familiar with sheet special The technical staff of industry without departing from the scope of the present invention, is made a little using disclosed above technology contents The equivalent variations of variation, modification and evolution is equivalent embodiment of the invention;Meanwhile all substantial technologicals according to the present invention The variation, modification and evolution etc. of any equivalent variations to the above embodiments, still fall within technical solution of the present invention Within protection scope.

Claims (10)

1. naked battery core apparent size and pole piece deviation correction detection method, it is characterised in that the following steps are included:
Signal in place is received, receives the first naked battery core signal in place, and signal controls naked electricity in place according to the described first naked battery core The mobile naked battery core of core shift unit is to detecting position;
Naked battery core image is acquired, receives the second naked battery core signal in place, and adopt according to the signal transmission in place of the described second naked battery core Collect signal to image collecting device and carry out Image Acquisition, obtains naked battery core image;
Naked battery core apparent size is detected, naked battery core position is searched on the naked battery core image by positional parameter, described naked Naked cell polar ear spacing, naked battery core width are measured at battery core position, judge that the naked cell polar ear spacing, naked battery core are wide Whether degree is that then naked battery core apparent size is normal in threshold value, and otherwise naked battery core apparent size is abnormal;
Parameter coordinate is searched, the pole piece image of acquisition is obtained, the pole piece image septation coordinate, sun is searched by Measurement Algorithm Polar coordinates, cathode coordinate;
Coordinates computed distance by the diaphragm coordinate and the anode combinatorial coordinates, and calculates the diaphragm coordinate and the sun The distance between polar coordinates by the diaphragm coordinate and the cathode combinatorial coordinates, and calculate the diaphragm coordinate and the yin The distance between polar coordinates;
Pole piece deviation correction, judge respectively the distance between the diaphragm coordinate and the anode coordinate, the diaphragm coordinate with it is described Whether the distance between cathode coordinate and deviation-rectifying system data have deviation, are to calculate offset distance and be sent to sutomatic winding machine Controller error correct mechanism be wound correction.
2. naked battery core apparent size as described in claim 1 and pole piece deviation correction detection method, it is characterised in that: further include step Testing result processing, if naked battery core apparent size is normal, controls the naked battery core shift unit and is transferred to the naked battery core Next station of up- coiler, and the reception signal in place that gos to step;If naked battery core apparent size is abnormal, the naked electricity is controlled The naked battery core is transferred to next station of up- coiler by core shift unit, while sending unqualified signal to up- coiler to described Naked battery core carries out rejecting processing, and the reception signal in place that gos to step;
In the lookup parameter coordinate, the anode coordinate includes first anode coordinate, second plate coordinate, the diaphragm coordinate Including the first diaphragm coordinate, the second diaphragm coordinate, the cathode coordinate includes the first cathode coordinate, the second cathode coordinate, is passed through Measurement Algorithm is searched the first diaphragm coordinate in the pole piece image, the second diaphragm coordinate, first anode coordinate, second plate and is sat Mark, the first cathode coordinate, the second cathode coordinate.
3. naked battery core apparent size as claimed in claim 2 and pole piece deviation correction detection method, it is characterised in that: described first is naked Signal is that the naked battery core is located at the signal of up- coiler detection zone to battery core in place, and signal is described to the second naked battery core in place Naked battery core is located at the signal of the detection position;
In coordinates computed distance, by the first diaphragm coordinate and the first anode combinatorial coordinates, and described the is calculated The distance between one diaphragm coordinate and the first anode coordinate, obtain first distance, by the second diaphragm coordinate with it is described Second plate combinatorial coordinates, and the distance between the second diaphragm coordinate and the second plate coordinate are calculated, obtain second Distance by the first anode coordinate and the first cathode combinatorial coordinates, and calculates the first anode coordinate and described the The distance between one cathode coordinate, obtains third distance, by the second plate coordinate and the second cathode combinatorial coordinates, and The distance between the second plate coordinate and the second cathode coordinate are calculated, the 4th distance is obtained.
4. naked battery core apparent size as claimed in claim 3 and pole piece deviation correction detection method, it is characterised in that: the detection is naked In battery core apparent size, the first posting and the second posting are generated on the naked battery core image by positional parameter, according to First posting and the second posting search naked battery core position;
In the pole piece deviation correction, the deviation-rectifying system data include the first reference distance, the second reference distance, third refer to away from From, the 4th reference distance, the first distance and first reference distance, the second distance and described second are judged respectively Whether reference distance, the third distance have with the third reference distance, the 4th distance with the 4th reference distance Deviation is to calculate offset distance, and the controller error correct mechanism for being sent to sutomatic winding machine is wound correction, otherwise It gos to step and searches parameter coordinate.
5. naked battery core apparent size as claimed in claim 4 and pole piece deviation correction detection method, it is characterised in that: the detection is naked In battery core apparent size, the first tab posting, the second tab posting, the first naked battery core are generated at the naked battery core position Edge posting, the second naked battery core edge posting, to the naked battery core in the first tab posting, the second tab posting Tab spacing measures, wide to the naked battery core in the described first naked battery core edge posting, the second naked battery core edge posting Degree measures;
In the pole piece deviation correction, the deviation-rectifying system data further include first threshold range, second threshold range, third threshold value model Enclose, the 4th threshold range, judge the first distance whether in the first threshold range, the second distance whether described Second threshold range, the third distance whether the third threshold range, it is described 4th distance whether in the 4th threshold It is worth range, if any one of the first distance, the second distance, the third distance, described 4th distance be not right In the threshold range answered, then sends a control signal to sutomatic winding machine and carry out monovolume.
6. a kind of electronic equipment, characterized by comprising: processor;
Memory;And program, wherein described program is stored in the memory, and is configured to be held by processor Row, described program include requiring method described in 1-5 any one for perform claim.
7. a kind of computer readable storage medium, is stored thereon with computer program, it is characterised in that: the computer program quilt Processor executes the method as described in claim 1-5 any one.
8. naked battery core apparent size and pole piece deviation correction detection system, it is characterised in that: including up- coiler, first sensor, second Sensor, image collecting device, I O board card, industrial personal computer, naked battery core apparent size detection module, pole piece deviation correction module, naked battery core Shift unit;The up- coiler includes up- coiler ontology, controller, deviation correction mechanism, the controller and the up- coiler ontology, The deviation correction mechanism connection, the up- coiler ontology are connect with the deviation correction mechanism, and the second sensor is adopted with described image Acquisition means connection, the first sensor, described image acquisition device, the naked battery core shift unit and the industrial personal computer connect It connects, the industrial personal computer is connect by the I O board card with the up- coiler, the naked battery core apparent size detection module, the pole Piece correction module is mounted in the industrial personal computer;The first sensor detects the naked battery core of detection zone on the up- coiler, And signal is sent to the naked battery core apparent size detection module, the naked battery core apparent size detection in place by the first naked battery core Module transfers the naked battery core to described image according to the described first naked battery core signal control in place naked battery core shift unit The detection position of acquisition device, the first sensor detect the naked battery core of the detection position, and in place by the second naked battery core Signal is sent to the naked battery core apparent size detection module, and the naked battery core apparent size detection module is naked according to described second The battery core described image acquisition device of signal control in place acquires naked battery core image, the naked battery core apparent size detection module detection Naked cell polar ear spacing, naked battery core width in the naked battery core image generate testing result;Pole piece is placed in the up- coiler ontology On, the second sensor detects the rotating the needle position of the up- coiler ontology, and sends acquisition signal to described image and acquire dress It sets, described image acquisition device is sent to the work according to the acquisition signal acquisition pole piece image, and by the pole piece image Control machine, the pole piece deviation correction module handle the pole piece image, detect the pole piece image septation and anode spacing, Whether anode and cathode spacing and deviation-rectifying system data have deviation, and deviation data is sent to the control by the pole piece deviation correction module Device processed, the controller control the deviation correction mechanism and are wound correction to the up- coiler ontology.
9. naked battery core apparent size as claimed in claim 8 and pole piece deviation correction detection system, it is characterised in that: the detection knot Fruit includes naked battery core apparent size normally and naked battery core apparent size is abnormal, when naked battery core apparent size is normal, the naked electricity Core apparent size detection module controls next station that the naked battery core is transferred to up- coiler by the naked battery core shift unit, when When naked battery core apparent size exception, the naked battery core apparent size detection module controls the naked battery core shift unit will be described naked Battery core is transferred to next station of up- coiler, while sending unqualified signal and carrying out at rejecting to up- coiler to the naked battery core Reason;
Whether the pole piece deviation correction module detects the pole piece image septation and anode spacing, anode and cathode spacing in threshold value In range, send a control signal to the controller, the controller control the deviation correction mechanism to the up- coiler ontology into Row monovolume.
10. naked battery core apparent size as claimed in claim 8 and pole piece deviation correction detection system, it is characterised in that: described image Acquisition device includes industrial camera, camera lens, light source, and the camera lens is mounted on the industrial camera, and the light source is for illuminating Naked battery core position to be detected, pole piece position to be detected, the industrial camera acquire the naked electricity by the camera lens Core image, the pole piece image.
CN201811010883.9A 2018-08-31 2018-08-31 Naked battery core apparent size and pole piece deviation correction detection method, equipment, medium and system Pending CN109269420A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811010883.9A CN109269420A (en) 2018-08-31 2018-08-31 Naked battery core apparent size and pole piece deviation correction detection method, equipment, medium and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811010883.9A CN109269420A (en) 2018-08-31 2018-08-31 Naked battery core apparent size and pole piece deviation correction detection method, equipment, medium and system

Publications (1)

Publication Number Publication Date
CN109269420A true CN109269420A (en) 2019-01-25

Family

ID=65155107

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811010883.9A Pending CN109269420A (en) 2018-08-31 2018-08-31 Naked battery core apparent size and pole piece deviation correction detection method, equipment, medium and system

Country Status (1)

Country Link
CN (1) CN109269420A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110232385A (en) * 2019-04-29 2019-09-13 广州超音速自动化科技股份有限公司 Pole piece diaphragm bag seals quality detecting method, electronic equipment and storage medium
CN110264439A (en) * 2019-04-29 2019-09-20 广州超音速自动化科技股份有限公司 A kind of pole piece deviation correction method, system, electronic equipment and storage medium
CN111261825A (en) * 2020-01-24 2020-06-09 苏州杰锐思智能科技股份有限公司 Method and equipment for regulating and controlling angle deviation of positive and negative electrode tabs
CN112229846A (en) * 2020-10-14 2021-01-15 重庆冠宇电池有限公司 Pole piece winding coverage detection method and equipment
CN113390879A (en) * 2021-04-22 2021-09-14 广州超音速自动化科技股份有限公司 Coating measurement, correction and flaw detection method and system
CN114923428A (en) * 2022-03-08 2022-08-19 广州超音速自动化科技股份有限公司 Battery cell tab margin detection equipment and detection method
WO2023050064A1 (en) * 2021-09-28 2023-04-06 宁德时代新能源科技股份有限公司 Deviation detection method and deviation detection device
CN113390879B (en) * 2021-04-22 2024-07-16 超音速人工智能科技股份有限公司 Coating measurement, deviation correction and flaw detection method and system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101106205A (en) * 2007-08-21 2008-01-16 中国科学院上海微系统与信息技术研究所 A coiling lithium ion battery and its making method
CN103196383A (en) * 2013-04-23 2013-07-10 江南大学 Method for automatically detecting center distance of battery tabs
US20140028999A1 (en) * 2012-07-24 2014-01-30 Samsung Sdi Co., Ltd. Web thickness measuring equipment and method
CN203850392U (en) * 2014-04-02 2014-09-24 东莞市博拓自动化设备有限公司 Battery winding machine
CN204315681U (en) * 2014-12-26 2015-05-06 东莞市博拓自动化设备有限公司 Cell winding device
CN205582008U (en) * 2016-04-22 2016-09-14 天津庆通科技有限公司 Vision is tracked distance of target size and is joined in marriage accurate unit device
CN207007128U (en) * 2017-07-10 2018-02-13 东莞新易科电子有限公司 Battery core size automatic checkout equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101106205A (en) * 2007-08-21 2008-01-16 中国科学院上海微系统与信息技术研究所 A coiling lithium ion battery and its making method
US20140028999A1 (en) * 2012-07-24 2014-01-30 Samsung Sdi Co., Ltd. Web thickness measuring equipment and method
CN103196383A (en) * 2013-04-23 2013-07-10 江南大学 Method for automatically detecting center distance of battery tabs
CN203850392U (en) * 2014-04-02 2014-09-24 东莞市博拓自动化设备有限公司 Battery winding machine
CN204315681U (en) * 2014-12-26 2015-05-06 东莞市博拓自动化设备有限公司 Cell winding device
CN205582008U (en) * 2016-04-22 2016-09-14 天津庆通科技有限公司 Vision is tracked distance of target size and is joined in marriage accurate unit device
CN207007128U (en) * 2017-07-10 2018-02-13 东莞新易科电子有限公司 Battery core size automatic checkout equipment

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110264439B (en) * 2019-04-29 2023-09-22 广州超音速自动化科技股份有限公司 Pole piece deviation rectifying method, system, electronic equipment and storage medium
CN110264439A (en) * 2019-04-29 2019-09-20 广州超音速自动化科技股份有限公司 A kind of pole piece deviation correction method, system, electronic equipment and storage medium
CN110232385A (en) * 2019-04-29 2019-09-13 广州超音速自动化科技股份有限公司 Pole piece diaphragm bag seals quality detecting method, electronic equipment and storage medium
CN110232385B (en) * 2019-04-29 2023-10-27 广州超音速自动化科技股份有限公司 Pole piece diaphragm bag heat sealing quality inspection method, electronic equipment and storage medium
CN111261825A (en) * 2020-01-24 2020-06-09 苏州杰锐思智能科技股份有限公司 Method and equipment for regulating and controlling angle deviation of positive and negative electrode tabs
CN112229846A (en) * 2020-10-14 2021-01-15 重庆冠宇电池有限公司 Pole piece winding coverage detection method and equipment
CN112229846B (en) * 2020-10-14 2023-05-16 重庆冠宇电池有限公司 Pole piece winding coverage detection method and equipment
CN113390879A (en) * 2021-04-22 2021-09-14 广州超音速自动化科技股份有限公司 Coating measurement, correction and flaw detection method and system
CN113390879B (en) * 2021-04-22 2024-07-16 超音速人工智能科技股份有限公司 Coating measurement, deviation correction and flaw detection method and system
WO2023050064A1 (en) * 2021-09-28 2023-04-06 宁德时代新能源科技股份有限公司 Deviation detection method and deviation detection device
KR102574401B1 (en) 2021-09-28 2023-09-15 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 Offset detection method and offset detection device
KR20230070520A (en) * 2021-09-28 2023-05-23 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 Offset detection method and offset detection device
US11933598B2 (en) 2021-09-28 2024-03-19 Contemporary Amperex Technology Co., Limited Deviation detection method and deviation detection device
CN114923428A (en) * 2022-03-08 2022-08-19 广州超音速自动化科技股份有限公司 Battery cell tab margin detection equipment and detection method

Similar Documents

Publication Publication Date Title
CN109269420A (en) Naked battery core apparent size and pole piece deviation correction detection method, equipment, medium and system
CN109358064A (en) Pole piece film-making winding defect global function detection method, equipment, medium and system
CN109444145A (en) Pole piece film-making rubberizing and pole piece deviation correction detection method, equipment, medium and system
CN109390636A (en) Sutomatic winding machine pole piece deviation correction method, electronic equipment, storage medium and system
CN109443418A (en) Pole piece film-making rubberizing and naked battery core detection method, equipment, storage medium and system
CN106623493B (en) A kind of detection method of steel band punching Continuous maching
WO2024108847A1 (en) Roller, spot inspection method and apparatus, coiled-material conveying method and apparatus, and device and medium
CN206056512U (en) Detect for pole coating degree of registration and rectify a deviation the equipment for adjusting
KR102259235B1 (en) multi-type secondary battery stacking device having vision inspection
CN109358070A (en) Pole piece detection method, electronic equipment, storage medium and system
CN117213372B (en) Pole piece detection method and system
CN114714037B (en) Welding deviation rectifying method for soft package battery
CN115872209B (en) Automatic centering CCD closed loop deviation rectifying control system
EP4390386A1 (en) Detection apparatus, and target detection and repair system
CN109752627A (en) A method of the ca bin socket state automatic identification based on machine vision
CN109269419A (en) Naked battery core apparent size detection method, electronic equipment, storage medium and system
CN203275586U (en) Withstand voltage testing device of thin film capacitor
CN109570835A (en) Tab welding control system and tab welding equipment
CN212872188U (en) Online coating defect detection system for lithium ion battery
CN210894144U (en) Welding detection mechanism
CN108489880A (en) A kind of detection device and detection method for diaphragm
CN218574124U (en) Coating device for automatically detecting flatness of battery sheet
CN107097009A (en) Lithium battery production line and the conductive handle position finding and detection method of lug, welder
CN109856154B (en) On-line detection method and device for printing quality of chip resistor based on machine vision
CN213426582U (en) Detection system for FPC reinforcement missing pasting and re-pasting

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190125