WO2023197176A1 - 用于叠片机的料带入料检测方法、装置、叠片机、设备和介质 - Google Patents
用于叠片机的料带入料检测方法、装置、叠片机、设备和介质 Download PDFInfo
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- WO2023197176A1 WO2023197176A1 PCT/CN2022/086442 CN2022086442W WO2023197176A1 WO 2023197176 A1 WO2023197176 A1 WO 2023197176A1 CN 2022086442 W CN2022086442 W CN 2022086442W WO 2023197176 A1 WO2023197176 A1 WO 2023197176A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H9/00—Registering, e.g. orientating, articles; Devices therefor
- B65H9/20—Assisting by photoelectric, sonic, or pneumatic indicators
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to predetermined lengths of webs
- B65H26/066—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to predetermined lengths of webs responsive to information, e.g. printed mark, on the web or web roll
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/86—Investigating moving sheets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/0204—Sensing transverse register of web
- B65H23/0216—Sensing transverse register of web with an element utilising photoelectric effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/40—Identification
- B65H2511/413—Identification of image
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/42—Cameras
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the strip image at least includes a detection area between two adjacent first pole pieces. Therefore, the detection efficiency can be further improved by first determining the detection area in the strip image, and then determining whether the detection area includes the first mark and the second mark.
- obtaining the target offset based on the first detection image and/or the second detection image includes: obtaining the first offset of the first cutting hole relative to the preset position based on the first detection image; based on the second detection image The image acquires a second offset of the second cutting hole relative to the preset position; and based on the first offset and the second offset, acquires the target offset.
- obtaining the target offset includes: responding that the absolute value of the difference between the first offset and the second offset is not greater than a preset threshold. , based on the first offset and the second offset, obtain the target offset.
- the first offset and the second offset can be calculated based on the first offset and the second offset. The offset is used to obtain the target offset (for example, averaging the first offset and the second offset), thereby improving the accuracy of offset calculation.
- the tape feeding detection method for a lamination machine further includes: in response to the absolute value of the difference between the first offset and the second offset being greater than a preset threshold, outputting reminder information.
- a preset threshold a preset threshold
- an alarm message is immediately sent. Therefore, when the error between the first offset and the second offset obtained through the two detection images is When there are obvious errors in the offset results obtained by the camera device, an alarm can be made in time to make adjustments, improving the speed of problem discovery and the efficiency of information feedback.
- the position of at least one camera device is fixed, and the preset position is the optical center of the corresponding camera device.
- the position of the camera device is fixed, that is, the relative distance between the camera device and the cutting mechanism is fixed. Therefore, only the relative distance of the first mark to the optical center of the camera device is needed to calculate the offset of the web, thus saving the offset of the web. Computing resources improve the efficiency of strip offset calculation.
- a web image is captured by a camera device, and the first mark is identified based on the web image, and the target offset of the first mark is obtained.
- computer vision can improve the detection accuracy of cutting holes, and then determine the complete first pole piece based on the first mark, ensuring that a complete strip image is obtained, and determining the feed offset based on the first mark. .
- the strip image at least includes a detection area between two adjacent first pole pieces.
- the camera device can collect an image of the material strip containing both the first mark and the second mark, and realize the simultaneous detection of the second mark and the first mark; at the same time, the material can be further improved.
- the image clarity of the first mark in the image is improved, thereby improving the accuracy of first mark detection.
- the first controller is further configured to: in response to determining that at least one of the first detection area and the second detection area does not include the first mark, control the first output unit to output the reminder information.
- control the first output unit to output the reminder information.
- the detection area includes a first detection area and a second detection area located between two adjacent first pole pieces
- the second mark includes a first mark portion located in the first detection area and a second detection area located in the second detection area.
- detecting a second marking portion within the area wherein the first determination unit is configured to: detect whether the first marking portion is included in the first detection image; and detect whether the second marking portion is included in the second detection image; and based on the first The detection result regarding the first mark portion in the detection image and the detection result regarding the second mark portion in the second detection image are determined to determine whether the front side of the detection area includes the second mark.
- the ribbon feeding detection device for the lamination machine further includes: a second output unit; the first controller is further configured to respond to determining one of the first detection image and the second detection image The second mark is not included, and the second output unit is controlled to output reminder information.
- the detection results of the marking portion at the relative positions on both sides of the material belt can be obtained based on the two detection images, and the detection results can be mutually verified by comparing the two detection results.
- the detection results can be triggered in time. Alarm for adjustment to improve problem discovery speed and information feedback efficiency.
- the ribbon feeding detection device for a lamination machine further includes: a second determination unit configured to respond to determining that neither the first detection image nor the second detection image includes the second mark. , determine that the back side of the detection area includes the second mark.
- a second determination unit configured to respond to determining that neither the first detection image nor the second detection image includes the second mark. , determine that the back side of the detection area includes the second mark.
- the position of at least one camera device is fixed, and the preset position is the optical center of the camera device.
- the position of the camera device is fixed, that is, the relative distance between the camera device and the cutting mechanism is fixed, so that there is no need to perform complex operations such as calibration of the camera, and the relative distance between the first mark in the image and the optical center of the camera device and the offset of the material belt can be used amount, save resources for the calculation of the material belt offset, and improve the efficiency of the calculation of the material belt offset.
- the positive light source includes a first positive light source and a second positive light source, and the first positive light source and the second positive light source are respectively arranged on opposite sides of the material belt in a direction perpendicular to the feeding direction, The light emitted by the first positive light source is projected onto the front of the first detection area, and the light emitted by the second positive light source is projected onto the front of the second detection area.
- the second mark captured by the two camera devices is clearer and the recognition effect is improved; at the same time, compared to setting up a positive light source to illuminate the material
- the entire belt is illuminated, and a set of positive light sources can be used to adapt to material belts of different widths, thus saving more energy.
- the positive light source is arranged such that the angle between the light of the positive light source and the plane where the material strip is located is 45°. By setting the positive light source at an angle of 45° to the web, the imaging effect of the second mark can be further optimized.
- An embodiment of the fifth aspect of the present application provides a non-transient computer-readable storage medium storing computer instructions, wherein the computer instructions are used to cause the computer to execute the above-mentioned first aspect of the tape feeding detection method.
- An embodiment of the sixth aspect of the present application provides a computer program product, including a computer program, wherein when executed by a processor, the computer program implements the above-described first aspect of the tape feeding detection method.
- Figure 5 is a schematic diagram of a material strip image collected by a camera device according to some embodiments of the present application.
- Figure 7 is a flow chart of a method for calculating a target offset through the position of a first mark according to some embodiments of the present application
- Figure 10 is a flow chart of a method for determining whether a tape image includes a second mark according to some embodiments of the present application
- Figure 12 is a structural block diagram of a belt feeding detection device for a lamination machine according to some embodiments of the present application.
- Material belt 800 feeding direction 801, first detection image 810, first cutting hole 811, first marking part 812, first preset position 813, first offset 814, first cutting edge 815;
- the belt feeding process it is first necessary to use sensors to identify the cutting holes between the two pole pieces on the material belt, and based on the identification results of the cutting holes, correct the deviation of the material belt in the feeding direction, so that the material belt
- the cutting position on the machine is aligned with the cutting mechanism to complete the cutting of the tape.
- the composite position needs to be determined by detecting the mark on the pole piece tape (such as the crease on one side of the pole piece on the tape).
- a composite separator 202 is also needed between the anode strip and the cathode plate.
- the separator 202 is made of an insulating material.
- the process of compounding the separator 202 is before the process of compounding the cathode plate 201 and the cutting process. Since the light transmittance of the separator 202 is poor, after the separator 202 is compounded, the detection effect of the cut hole 102 and the marking part 103 will be greatly reduced. Therefore, , it is necessary to detect the above two before compounding the separator, and save the relevant information in the controller (such as a programmable controller) to control the compounding of the cathode plate and the cutting of the material strip based on the relevant information.
- the controller such as a programmable controller
- the anode strip 100 is transferred to the cutting mechanism, and is cut into multiple pole piece strips with continuous anode pole pieces 101; then each pole piece strip is transferred to the coating device for separation.
- 202 is compounded and further transported to the cathode plate compounding device through the transmission mechanism.
- the cathode plate 201 is compounded on the front and back of the anode strip at intervals, and finally transferred to another cutting mechanism to cut the strip.
- a complete battery strip is shown as the battery strip 300 in Figure 3.
- Step S403 In response to determining that the strip image includes the first mark, obtain a target offset of the first mark relative to the preset position based on the strip image.
- the camera device can be an industrial camera or a machine vision camera.
- a high frame rate area array CCD industrial camera can be used to obtain a clear web image.
- the material belt may be an anode material belt or a cathode material belt, which includes a continuous plurality of first pole pieces in the feeding direction. Taking the anode strip as an example, each first pole piece is an anode pole piece.
- the non-pole piece area 520 is an area outside the pole piece edge 511 within the image area captured by the camera device that does not belong to the pole piece area 510.
- the non-pole piece area 520 may be the captured image area.
- White backlit area In this case, the grayscale value of the non-pole piece area 520 is stable at 255, while the grayscale value of the pole piece area 510 is usually in the range of 40-50, so the grayscale difference between the two areas can be compared. , to determine the pole piece edge 511, and then determine the pole piece area 510.
- Step S602 In response to determining the pole piece area, determine the area of the cutting hole (that is, the first mark).
- the gray value of the cut hole is less than the preset gray threshold or the pixel area of the cut hole is less than the preset area threshold, it can be determined whether the cut hole exists, the cut hole is incomplete, the cut hole is blocked by foreign matter, etc. Abnormal conditions are detected and alarm information is sent to the control system (such as a programmable controller used to control the production line) so that technicians can handle abnormal conditions in a timely manner.
- the control system such as a programmable controller used to control the production line
- a method for calculating the target offset through the position of the first mark (such as a cut hole) is provided, including:
- Step S701 In response to determining the area of the cutting hole (ie, the first mark), determine the first edge of the cutting hole.
- the incision hole detection area 515 may first be determined based on the area range. For example, the incision hole detection ROI (Region Of Interest, Region of Interest) frame may be positioned in the incision hole detection area. area 515, and then determine the first edge 514 of the cutting hole 512 through an edge-finding algorithm. As a result, the first edge of the cutting hole can be determined more efficiently and accurately.
- the incision hole detection ROI Region Of Interest, Region of Interest
- Step S702 Determine the target offset based on the first edge and the preset position.
- the preset position may be the image center point 530 of the strip image
- the target offset 540 is the distance between the image center point 530 and the first edge 514 of the cutting hole 512 .
- the target offset obtained based on the above method can be stored in the control system (such as a programmable controller) that controls the laminated cell production line, so that the cutting position and cutter accuracy of the strip can be controlled based on the target offset. Align and complete the cutting of the tape.
- the control system such as a programmable controller
- the web image is captured by the camera device, and the first mark is identified based on the web image, and the target offset of the first mark is obtained.
- computer vision can improve the detection accuracy of cutting holes, and then determine the complete first pole piece based on the first mark, ensuring that a complete strip image is obtained, and determining the material input based on the first mark.
- the accuracy of strip cutting can be improved.
- the strip image at least includes a detection area between two adjacent first pole pieces.
- the detection area may be, for example, the pole piece area 510 . Therefore, by first determining the detection area in the strip image, and then determining whether the detection area contains the first mark and the second mark, the detection efficiency is further improved.
- the first mark is a through hole provided in the detection area
- the tape feeding detection method for the lamination machine further includes: before taking pictures with at least one camera device, opening the front Light source, the light emitted by the positive light source is projected to the front of the detection area, and/or the backlight is turned on, the light emitted by the backlight is projected to the back of the detection area; and determining whether the strip image includes a second mark, the second mark is formed on A preset graphic on the front of the detection area.
- the detection area of the material strip needs to be illuminated by a set of positive and negative light sources.
- the positive light source is used to illuminate the front area of the detection area, thereby improving the imaging effect of the second mark.
- the backlight is placed on the back side of the detection area, and the cut hole area and the non-pole piece area are illuminated by projecting light on the back side of the detection area, thereby enabling the pole piece area, the non-pole piece area and the cut hole area to be illuminated.
- the boundaries between areas are clearer.
- the specific method includes: determining the detection area of the mark part (ie, the second mark) based on the area of the cut hole, and determining whether the detection area includes the mark part (ie, the second mark).
- the preset pixel area can be 2000 pixels.
- the pixel area of the marking area is greater than 2000, it is judged that the detection area includes the marking area, that is, the composite pole piece should be composited on the side where the detection area is located. ; Otherwise, it is judged that the detection area does not include the mark part, that is, the composite pole piece here should be composited on the back side of the surface where the detection area is located.
- the camera device can collect an image of the material strip containing both the first mark and the second mark, and realize the simultaneous detection of the second mark and the first mark; at the same time, the material can be further improved.
- the image clarity of the first mark in the image is improved, thereby improving the accuracy of first mark detection.
- a camera device can be provided on each opposite side of the material belt in the direction perpendicular to the feeding direction to detect the cutting holes and marking portions of the detection areas on both sides of the material belt.
- Figure 8 shows a schematic diagram of the detection areas on opposite sides of the material belt.
- the material belt 800 is extended in the material direction 801 for transportation.
- the first detection image 810 and the second detection image 820 may be captured for the first detection area and the second detection area by the first camera device and the second camera device respectively.
- the first detection area includes a first cutting hole 811 and a first marking portion 812 close to one edge of the material strip 800
- the second detection area includes a second cutting hole 821 and a first marking portion 812 close to the other edge of the material strip 800 .
- Two marking parts 822 Two marking parts 822.
- the above bias may be used based on the first cut hole in the first detection image or the second cut hole in the second detection image.
- the displacement calculation method calculates the target offset.
- the above bias may be used based on the first cut hole in the first detection image and the second cut hole in the second detection image.
- the displacement calculation method calculates the target offset.
- the corresponding first offset and the second offset may be calculated separately, and an average of the two offsets may be calculated to determine the target offset.
- the first detection image and the second detection image are collected respectively from the relative positions on both sides of the belt in the feeding direction, thereby It can analyze two detection images at the same time and obtain the target offset, which improves the accuracy of offset calculation.
- obtaining the target offset based on the first detection image and/or the second detection image may include:
- the first preset position 813 corresponding to the first cutout edge 815 may be the image center of the first detection image 810, and the first offset 814 is the relationship between the first preset position 813 and the first cutout. The distance between edges 815.
- the first offset or the second offset can be selected as the target offset for correcting the feeding deviation of the material strip.
- the two offsets can be determined.
- the displacement test results are inconsistent.
- alarm information can be sent to the control system (such as a programmable controller used to control the production line) so that technicians can handle the abnormal situation in time.
- the detection results of the marking portion at the relative positions on both sides of the strip can be obtained based on the two detection images, and the detection results can be mutually verified by comparing the two detection results, so as to obtain the final marking portion detection result and determine the composite pole.
- the composite position of the chip is improved, thereby improving the accuracy of the detection results and composite position judgment.
- the detection results of the first marking part and the second marking part are the same (that is, both detection areas include the marking part or both do not include the marking part), it is judged that the above detection result passes the verification and can be used for Indicates the recombination position of the composite pole piece.
- At least one camera device includes two sets of camera devices, the two sets of camera devices are arranged at a preset distance, and using at least one camera device to capture the detection area between two adjacent first pole pieces includes: One set of camera devices is used to capture the front side of the detection area between two adjacent first pole pieces; and another set of camera devices is used to capture the back side of the detection area between two adjacent first pole pieces.
- a set of camera devices for photographing the back side of the pole piece strip can be further added.
- a set of camera devices for photographing the back side of the material belt can be arranged on opposite sides of the material belt in a direction perpendicular to the feeding direction, so that the detection areas on both sides of the back side of the material belt are opposite to each other. Detection of marked parts.
- the optical center of the camera device is also the center point of the lens of the camera device, which corresponds to the image center point in the web image.
- the position of the camera device is fixed, that is, the relative distance between the camera device and the cutting mechanism is fixed. Therefore, only the relative distance between the cutting hole and the optical center of the camera device is needed to calculate the web offset, saving the calculation of the web offset. resources to improve the efficiency of strip offset calculation.
- the tape feeding detection method for the lamination machine may include:
- Step S1101 Using two CCD industrial cameras, take detection images of the detection areas on opposite sides of the material belt in the direction perpendicular to the feeding direction, where each detection image includes the detection areas of the opposite sides of the material belt. Hole cutting and marking section;
- Step S1102 Locate the pole piece area through the grayscale difference between the pole piece area and the non-pole piece area;
- Step S1103 Determine whether the pole piece area is successfully positioned. If the positioning is successful, execute step S1104; if the positioning is unsuccessful, execute step S1115;
- Step S1104 Identify the hole-cut area in each detected image through the grayscale difference in the image
- Step S1105 Determine whether the cutting hole exists based on the pixel area of the cutting hole area. If the cutting hole exists, execute step S1106; if the cutting hole does not exist, execute step S1115;
- Step S1108 Determine whether the edge search is completed. If the edge search is completed, execute step S1109; if the edge search is not completed, execute step S1115;
- Step S1114 average the two distances to determine the target offset, and send the target offset and the mark detection result to the programmable controller;
- Step S1115 Send reminder information to the programmable controller.
- the operations of the devices 1210 to 1220 in the ribbon feeding detection device 1200 for a stacker are similar to the operations of steps S401 to S403 in the above method 400, and will not be described again.
- the image processing device may include: a first determination unit configured to determine whether the web image includes the first mark; and an acquisition unit configured to respond to determining that the web image includes the first mark, The target offset of the first mark relative to the preset position is obtained based on the material strip image.
- the target offset includes an offset of the first mark relative to the preset position in the feeding direction.
- the first mark is a through hole provided in the detection area
- the ribbon feeding detection device for the lamination machine further includes: a front light source and a backlight source; and a first controller, Configured to turn on the front light source and project the light emitted by the positive light source to the front of the detection area before taking pictures with at least one camera device, and/or turn on the backlight source and project the light from the backlight to the back of the detection area; and first The determining unit is further configured to determine whether the strip image includes a second mark, the second mark being a preset pattern formed on the front side of the detection area.
- the camera device 1340 can be an industrial camera or a machine vision camera.
- a high frame rate area array CCD industrial camera can be used to obtain a clear material strip image.
- the above-mentioned unwinding device 1320, transmission device 1330, and cutting mechanism 1370 can be controlled by a control system such as a programmable controller.
- At least one sensor can be further provided on the edge of the material strip 1310 for sensing the cut holes on the material strip 1310 .
- the sensor senses a hole cut, it sends a signal to the first controller.
- the first controller can control the camera device to take pictures to obtain an image of the material strip at the hole cut location.
- the first controller can also be the above-mentioned control system. Therefore, the belt feeding detection device can be controlled through the same control system, saving communication time and communication resources between systems and improving control efficiency.
- the camera device can collect an image of the material strip containing both the first mark and the second mark, and realize the simultaneous detection of the second mark and the first mark; at the same time, the material can be further improved.
- the image clarity of the first mark in the image is improved, thereby improving the accuracy of first mark detection.
- the first mark includes a first cut hole and a second cut hole, and the first cut hole and the second cut hole are located on opposite sides of the material strip in a direction perpendicular to the feeding direction; detection The area includes a first detection area and a second detection area located between two adjacent first pole pieces, the first cutting hole is located in the first detection area, and the second cutting hole is located in the second detection area; at least one camera device It includes a first camera device and a second camera device, and the strip image includes a first detection image obtained by using the first camera device to take a picture of the front of the first detection area and a second camera device to take a picture of the front of the second detection area.
- the second detection image wherein the acquisition unit is configured to acquire the target offset based on the first detection image and/or the second detection image in response to determining that the first detection area and the second detection area include the first mark.
- Figure 14 shows a schematic structural diagram of a belt feeding detection device in the feeding direction of the feeding belt, in which the belt 1410 is a cross-section perpendicular to the feeding direction.
- a camera device namely a first camera device 1421 and a second camera device 1422
- the detection areas on opposite sides of the belt 1410 are used to detect the cut holes and marked portions.
- a front light source and a backlight source can be used to be placed above and below the material belt 1410 respectively.
- the first detection image and the second detection image are collected respectively from the relative positions on both sides of the belt in the feeding direction, thereby It can analyze two detection images at the same time and obtain the target offset, which improves the accuracy of offset calculation.
- the acquisition unit is configured to: acquire the first offset of the first cutting hole relative to the preset position based on the first detection image; acquire the first offset of the second cutting hole relative to the preset position based on the second detection image a second offset; and obtaining a target offset based on the first offset and the second offset.
- the acquisition unit is further configured to: in response to an absolute value of the difference between the first offset and the second offset being not greater than a preset threshold, based on the first offset and the second offset Shift amount, get the target offset.
- the tape feeding detection device for the lamination machine further includes: a first output unit; the first controller is further configured to respond to the first offset and the second offset. If the absolute value of the difference is greater than the preset threshold, the first output unit is controlled to output reminder information.
- the first controller is further configured to: in response to determining that at least one of the first detection area and the second detection area does not include the first mark, control the first output unit to output the reminder information.
- the first determination unit is configured to: in response to determining that the first marker portion is included in the first detection image and the second marker portion is included in the second detection image, determine that the front side of the detection area includes the second marker .
- the belt feeding detection device for the lamination machine further includes: a second output unit; the first controller is further configured to respond to determining the difference between the first detection image and the second detection image. One does not include the second mark and controls the second output unit to output reminder information.
- the belt feeding detection device for the lamination machine further includes: a second determination unit configured to respond to determining that neither the first detection image nor the second detection image includes the first detection image.
- the second mark determines the back side of the detection area including the marked portion.
- At least one camera device includes two sets of camera devices, the two sets of camera devices are spaced apart by a preset distance, and one of the sets of camera devices is configured to capture the detection between two adjacent first pole pieces. The front side of the area; and another set of camera devices is configured to photograph the back side of the detection area between two adjacent first pole pieces.
- the material strip 1510 passes through the unwinding device 1520 and the transmission device 1530 and is extended in the material direction 1511 for transmission to the cutting mechanism 1570 .
- a set of camera devices 1541 and a set of camera devices 1542 can be set up to photograph the detection areas on the front and back of the material strip 1510 respectively.
- Each group of camera devices may include a first camera device and a second camera device, respectively, for photographing opposite sides of the material belt 1510 that are perpendicular to the feeding direction.
- two sets of front and back light sources can be respectively provided.
- the front light source 1551 and the backlight source 1561 are used to illuminate the detection area on the front of the material strip 1510
- the front light source 1552 and the backlight source 1562 are used to illuminate the detection area on the front side of the material strip 1510.
- the two sets of camera devices can be arranged at a preset distance apart, for example, they can be arranged at a distance from one or more first pole pieces, whereby the two sets of front cameras for illuminating the front and back sides of the material strip
- the reflective light sources can not interfere with each other, ensuring the imaging quality of the tape image.
- the distance between the camera device 1340 and the cutting mechanism 1370 is fixed.
- the distance between the image center point of the material strip image and the first edge of the cutting hole can be calculated, and according to the proportional relationship between the image coordinate system and the real world coordinate system, the distance between the cutting hole on the material strip and the camera device 1340 can be obtained.
- the distance between the optical center in the real world is used as the target offset; and based on the target offset and the distance between the camera device 1340 and the cutting mechanism 1370, the distance from the cutting hole to the cutting mechanism 1370 is calculated, based on This distance controls the movement of the material belt 1310 toward the cutting mechanism, thereby achieving material feed deviation correction.
- the position of the camera device is fixed, that is, the relative distance between the camera device and the cutting mechanism is fixed, so that there is no need to perform complex operations such as calibration of the camera, and the relative distance between the cutting hole in the image and the optical center of the camera device and the offset of the material belt can be determined , save resources for the calculation of the material belt offset and improve the efficiency of the calculation of the material belt offset.
- Figure 16 shows a schematic structural diagram of a belt feeding detection device in the feeding direction of the feeding belt, in which the belt 1610 is a cross-section perpendicular to the feeding direction.
- a camera device namely a first camera device 1621 and a second camera device 1622
- the detection areas on opposite sides of the belt 1610 are used to detect the cut holes and marked parts.
- the positive light source may include a first positive light source 1631 and a second positive light source 1632 , and the first positive light source 1631 and the second positive light source 1632 may be respectively arranged at the inlet and outlet of the material belt 1610 .
- the light emitted by the first positive light source 1631 is projected to the front of the first detection area
- the light emitted by the second positive light source 1632 is projected to the front of the second detection area.
- the first positive light source 1631 and the second positive light source 1632 may be strip light sources, whereby the shape of the strip light source can better adapt to the shape of the material strip, thereby ensuring better lighting effects. At the same time, energy is further saved.
- the first positive light source 1631 and the second positive light source 1632 may be white light sources. Through the illumination of the white light sources, the imaging effect and stability of the marking part can be further improved.
- the marks captured by the two camera devices are clearer and the recognition effect is improved; at the same time, compared to setting up a positive light source to illuminate the material belt
- the overall lighting is provided, and a set of positive light sources can be used to adapt to material strips of different widths, thus saving more energy.
- the positive light source (for example, may include a first positive light source 1631 and a second positive light source 1632) is arranged such that the angle between the light emitted by the positive light source and the plane where the material strip is located is 45° ⁇ 75°.
- the imaging effect of the marking part can be further improved.
- the positive light source is preferably (for example, may include a first positive light source 1631 and a second positive light source 1632) arranged such that the angle between the light of the positive light source and the plane where the material strip is located is 45°.
- the imaging effect of the marking portion can be further optimized.
- the backlight source may include a first backlight source 1641 and a second backlight source 1642 , and the first backlight source 1641 and the second backlight source 1642 are respectively arranged on the strip 1610 and On opposite sides in the direction perpendicular to the feeding direction, the light emitted by the first backlight source 1641 is projected to the back of the first detection area, and the light emitted by the second backlight 1642 is projected to the back of the second detection area.
- the first backlight source 1641 and the second backlight source 1642 may be strip light sources, whereby the shape of the strip light source can better adapt to the shape of the material strip, thereby ensuring better lighting effects. At the same time, energy is further saved.
- the backlight source is a red light source.
- the wavelength of red light is between 625 and 740nm, which is the longest wavelength of visible light. Its penetrating ability is stronger, and it can achieve better image results for some poor cutting holes where foreign matter blocks the cutting hole or the cutting hole is not completely penetrated.
- the backlight may be a high-brightness red light source, and its brightness may be, for example, 100,000 Lx or greater than 100,000 Lx. As a result, the image effect of the cut hole in the detection image can be further improved.
- the prism cooperates with the camera device to refract the image of the detection area into the lens of the camera device, thereby ensuring that the strip image captured by the camera device is clear while further saving money.
- the installation space of the camera device is reduced, for example, the installation height of the camera device can be shortened to one third of the original height.
- a belt feeding detection device for a lamination machine is provided.
- the first camera device 1821 can use the first prism 1831 matched with it to make the first camera device 1821 is arranged with its optical axis parallel to the plane where the material belt 1810 is located; similarly, the second camera device 1822 can be arranged with its optical axis and the material belt 1810 through the second prism 1832 matched with it.
- the planes are parallel.
- the backlight may include a first backlight 1851 and a second backlight 1852, and the first backlight 1851 and the second backlight 1852 are respectively arranged on opposite sides of the material belt 1810 in a direction perpendicular to the feeding direction,
- the light emitted by the first backlight source 1851 is projected to the back of the first detection area
- the light emitted by the second backlight 1852 is projected to the back of the second detection area.
- the backlight is a high-bright red light source with a brightness of 100,000 Lx.
- the first camera device 1821, the first front light source 1841 and the first backlight source 1851 and the second camera device 1822, the second front light source 1842 and the second backlight source 1852 can be controlled by the first controller,
- the first controller may be a control unit in a CCD visual inspection system, or may be a programmable controller used to control the laminated battery core production line.
- the second controller indicates the composite position of the composite pole piece by counting the first pole pieces on the material strip and combining the detection results of the corresponding marking portions of each first pole piece.
- the second controller counts the first pole pieces on the strip to determine the position of the tail piece of each battery cell strip, and based on the offset of the cutting hole corresponding to the tail piece, compares the cutting position with the cutting position.
- the mechanism is aligned to accurately cut the strip into battery core strips.
- An embodiment of the third aspect of the present application provides a stacking machine, including: a conveying mechanism configured to convey a tape; the tape feeding detection device of the second aspect; a cutting mechanism; and a second controller , is configured to control the belt feeding detection device to correct the feeding deviation of the material belt conveyed on the conveying mechanism, and to control the cutting mechanism to cut the material belt on the conveying mechanism after the feeding deviation is corrected.
- An embodiment of the fourth aspect of the present application provides an electronic device, including: at least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions that can be executed by at least one processor, and the instructions are at least One processor executes, so that at least one processor can execute the above-mentioned first aspect of the tape feeding detection method.
- An embodiment of the fifth aspect of the present application provides a non-transient computer-readable storage medium storing computer instructions, wherein the computer instructions are used to cause the computer to execute the above-mentioned first aspect of the tape feeding detection method.
- An embodiment of the sixth aspect of the present application provides a computer program product, including a computer program, wherein when executed by a processor, the computer program implements the above-described first aspect of the tape feeding detection method.
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Abstract
Description
Claims (41)
- 一种用于叠片机的料带入料检测方法,所述料带包括在入料方向上连续分布的多个第一极片,所述方法包括:利用至少一个摄像装置拍摄,以获得至少一个料带图像;确定所述料带图像是否包括第一标记;以及响应于确定所述料带图像包括第一标记,基于所述料带图像获取所述第一标记相对预设位置的目标偏移量。
- 根据权利要求1所述的方法,其中,所述料带图像至少包括相邻两个第一极片之间的检测区域。
- 根据权利要求2所述的方法,其中,所述第一标记为设置在所述检测区域内的通孔,并且所述方法还包括:在利用所述至少一个摄像装置拍摄之前,打开正光源,所述正光源发出的光线投射至所述检测区域的正面,和/或打开背光源,所述背光源发出的光线投射至所述检测区域的背面;以及确定所述料带图像是否包括第二标记,所述第二标记为形成在所述检测区域的正面上的预设图形。
- 根据权利要求2所述的方法,其中,所述第一标记包括第一切孔和第二切孔,所述第一切孔和第二切孔位于所述料带的在与入料方向垂直的方向上的相对两侧;所述检测区域包括位于相邻两个第一极片之间的第一检测区域和第二检测区域,所述第一切孔位于所述第一检测区域内,所述第二切孔位于所述第二检测区域内;所述至少一个摄像装置包括第一摄像装置和第二摄像装置,所述料带图像包括利用第一摄像装置拍摄所述第一检测区域的正面所得到的第一检测图像和利用第二摄像装置拍摄所述第二检测区域的正面所得到的第二检测图像,其中,所述基于所述料带图像获取所述第一标记相对预设位置的目标偏移量包括:响应于确定所述第一检测区域和所述第二检测区域包括第一标记,基于所述第一检测图像和/或所述第二检测图像获取所述目标偏移量。
- 根据权利要求4所述的方法,其中,所述基于所述第一检测图像和/或所述第二检测图像获取所述目标偏移量包括:基于所述第一检测图像获取所述第一切孔相对预设位置的第一偏移量;基于所述第二检测图像获取所述第二切孔相对预设位置的第二偏移量;以及基于所述第一偏移量和所述第二偏移量,获取所述目标偏移量。
- 根据权利要求5所述的方法,其中,所述基于所述第一偏移量和第二偏移量,获取所述目标偏移量包括:响应于所述第一偏移量和所述第二偏移量的差值的绝对值不大于预设阈值,基于所述第一偏移量和所述第二偏移量,获取所述目标偏移量。
- 根据权利要求5所述的方法,还包括:响应于所述第一偏移量和所述第二偏移量的差值的绝对值大于预设阈值,输出提醒信息。
- 根据权利要求4所述的方法,还包括:响应于确定所述第一检测区域和所述第二检测区域中的至少一者不包括第一标记,输出提醒信息。
- 根据权利要求3所述的方法,其中,所述检测区域包括位于相邻两个第一极片之间的第一检测区域和第二检测区域,所述第二标记包括位于所述第一检测区域内的第一标记部和位于所述第二检测区域内的第二标记部,其中,所述确定所述料带图像是否包括第二标记包括:检测所述第一检测图像中是否包括第一标记部;检测所述第二检测图像中是否包括第二标记部;以及基于所述第一检测图像中关于第一标记部的检测结果和所述第二检测图像中关于第二标记部的检测结果,确定所述检测区域的正面是否包括第二标记。
- 根据权利要求9所述的方法,其中,所述确定所述检测区域的正面是否包括第二标记包括:响应于确定所述第一检测图像中包括第一标记部并且所述第二检测图像中包括第二标记部,确定所述检测区域的正面包括所述第二标记。
- 根据权利要求9所述的方法,其中,所述方法还包括:响应于确定所述第一检测图像和所述第二检测图像中的一者不包括第二标记,输出提醒信息。
- 根据权利要求9所述的方法,其中,所述方法还包括:响应于确定所述第一检测图像和所述第二检测图像两者中均不包括第二标记,确定所述检测区域的背面包括第二标记。
- 根据权利要求2所述的方法,其中,所述至少一个摄像装置包括两组摄像装置,所述两组摄像装置间隔预设距离设置,并且所述利用至少一个摄像装置拍摄包括:利用其中一组摄像装置拍摄相邻两个第一极片之间的检测区域的正面;以及利用另一组摄像装置拍摄相邻两个第一极片之间的检测区域的背面。
- 根据权利要求1至13中任一项所述的方法,其中,所述目标偏移量包括在入料方向上所述第一标记相对预设位置的偏移量。
- 根据权利要求1至13中任一项所述的方法,其中,所述至少一个摄像装置的位置固定,所述预设位置为相应的所述摄像装置的光心。
- 一种用于叠片机的料带入料检测装置,所述料带包括在入料方向上连续分布的多个第一极片,所述装置包括:至少一个摄像装置,被配置为拍摄所述料带,以得到至少一个料带图像;以及图像处理装置,被配置为确定所述料带图像是否包括第一标记,以及响应于确定所述料带图像包括第一标记,基于所述料带图像,确定所述第一标记相对预设位置的目标偏移量。
- 根据权利要求16所述的装置,其中,所述图像处理装置包括:第一确定单元,被配置为确定所述料带图像是否包括第一标记;获取单元,被配置为响应于确定所述料带图像包括第一标记,基于所述料带图像获取所述第一标记相对预设位置的目标偏移量。
- 根据权利要求16所述的装置,其中,所述目标偏移量包括在入料方向上所述第一标记相对预设位置的偏移量。
- 根据权利要求16-18中任一项所述的装置,其中,所述料带图像至少包括相邻两个第一极片之间的检测区域。
- 根据权利要求19所述的装置,其中,所述第一标记为设置在所述检测区域内的通孔,并且所述装置还包括:正光源和背光源;第一控制器,被配置为在利用所述至少一个摄像装置拍摄之前,打开正光源,所述正光源发出的光线投射至所述检测区域的正面,和/或打开背光源,所述背光源发出的光线投射至所述检测区域的背面;并且第一确定单元还被配置为确定所述料带图像是否包括第二标记,所述第二标记为形成在所述检测区域的正面上的预设图形。
- 根据权利要求20所述的装置,其中,所述第一标记包括第一切孔和第二切孔,所述第一切孔和第二切孔位于所述料带的在与入料方向垂直的方向上的相对两侧;所述检测区域包括位于相邻两个第一极片之间的第一检测区域和第二检测区域,所述第一切孔位于所述第一检测区域内,所述第二切孔位于所述第二检测区域内;所述至少一个摄像装置包括第一摄像装置和第二摄像装置,所述料带图像包括利用第一摄像装置拍摄所述第一检测区域的正面所得到的第一检测图像和利用第二摄像装置拍摄所述第二检测区域的正面所得到的第二检测图像,其中,所述获取单元被配置为响应于确定所述第一检测区域和所述第二检测区域包括第一标记,基于所述第一检测图像和/或第二检测图像获取所述目标偏移量。
- 根据权利要求21所述的装置,其中,所述获取单元被配置为:基于所述第一检测图像获取所述第一切孔相对预设位置的第一偏移量;基于所述第二检测图像获取所述第二切孔相对预设位置的第二偏移量;以及基于所述第一偏移量和所述第二偏移量,获取所述目标偏移量。
- 根据权利要求22所述的装置,其中,所述获取单元还被配置为:响应于所述第一偏移量和所述第二偏移量的差值的绝对值不大于预设阈值,基于所述第一偏移量和所述第二偏移量,获取所述目标偏移量。
- 根据权利要求22所述的装置,还包括:第一输出单元;所述第一控制器还被配置为响应于所述第一偏移量和所述第二偏移量的差值的绝对值大于预设阈值,控制所述第一输出单元输出提醒信息。
- 根据权利要求24所述的装置,其中,所述第一控制器还被配置为:响应于确定所述第一检测区域和所述第二检测区域中的至少一者不包括第一标记,控制所述第一输出单元输出提醒信息。
- 根据权利要求20所述的装置,其中,所述检测区域包括位于相邻两个第一极片之间的第一检测区域和第二检测区域,所述第二标记包括位于所述第一检测区域内的第一标记部和位于所述第二检测区域内的第二标记部,其中,所述第一确定单元被配置为:检测所述第一检测图像中是否包括第一标记部;检测所述第二检测图像中是否包括第二标记部;以及基于所述第一检测图像中关于第一标记部的检测结果和所述第二检测图像中关于第二标记部的检测结果,确定所述检测区域的正面是否包括第二标记。
- 根据权利要求26所述的装置,其中,所述第一确定单元被配置为:响应于确定所述第一检测图像中包括第一标记部并且所述第二检测图像中包括第二标记部,确定所述检测区域的正面包括所述第二标记。
- 根据权利要求26所述的装置,还包括:第二输出单元;所述第一控制器还被配置为响应于确定所述第一检测图像和所述第二检测图像中的一者不包括第二标记,控制所述第二输出单元输出提醒信息。
- 根据权利要求26所述的装置,还包括:第二确定单元,被配置为响应于确定所述第一检测图像和所述第二检测图像两者中均不包括第二标记,确定所述检测区域的背面包括第二标记。
- 根据权利要求19所述的装置,其中,所述至少一个摄像装置包括两组摄像装置,所述两组摄像装置间隔预设距离设置,并且其中一组摄像装置被配置为拍摄相邻两个第一极片之间的检测区域的正面;以及另一组摄像装置被配置为拍摄相邻两个第一极片之间的检测区域的背面。
- 根据权利要求16至30中任一项所述的方法,其中,所述至少一个摄像装置的位置固定,所述预设位置为所述摄像装置的光心。
- 根据权利要求21至29中任一项所述的装置,其中,所述正光源包括第一正光源和第二正光源,并且所述第一正光源和所述第二正光源分别被布置于所述料带的在与入料方向垂直的方向上的相对两侧,所述第一正光源发出的光线投射至所述第一检测区域的正面,所述第二正光源发出的光线投射至所述第二检测区域的正面。
- 根据权利要求20至32中任一项所述的装置,其中,所述正光源被布置为使得所述正光源发出的光线与所述料带所在平面之间的夹角为45°~75°。
- 根据权利要求20至32中任一项所述的装置,其中,所述正光源被布置为使得所述正光源的光线与所述料带所在平面之间的夹角为45°。
- 根据权利要求21至29中任一项所述的装置,其中,所述背光源包括第一背光源和第二背光源,并且所述第一背光源和所述第二背光源分别被布置于所述料带的在与入料方向垂直的方向上的相对两侧,所述第一背光源发出的光线投射至所述第一检测区域的背面,所述第二背光源发出的光线投射至所述第二检测区域的背面。
- 根据权利要求20至35中任一项所述的装置,其中,所述背光源为红光光源。
- 根据权利要求20至36中任一项所述的装置,还包括:与每一摄像装置配合的棱镜,所述每一摄像装置的光轴被布置为与所述料带所在平面平行,所述每一摄像装置能够通过相配合的所述棱镜拍摄所述料带的两个第一极片之间的检测区域。
- 一种叠片机,包括:传送机构,被配置用于传送料带;权利要求16至37中任一项所述的料带入料检测装置;裁切机构;以及第二控制器,被配置为控制所述料带入料检测装置对所述传送机构所传送的料带进行入料纠偏,并且在入料纠偏后控制所述裁切机构对所述传送机构上的料带进行裁切。
- 一种电子设备,包括:至少一个处理器;以及与所述至少一个处理器通信连接的存储器;其中所述存储器存储有可被所述至少一个处理器执行的指令,所述指令被所述至少一个处理器执行,以使所述至少一个处理器能够执行权利要求1-15中任一项所述的方法。
- 一种存储有计算机指令的非瞬时计算机可读存储介质,其中,所述计算机指令用于使所述计算机执行根据权利要求1-15中任一项所述的方法。
- 一种计算机程序产品,包括计算机程序,其中,所述计算机程序在被处理器执行时实现权利要求1-15中任一项所述的方法。
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| PCT/CN2022/086442 WO2023197176A1 (zh) | 2022-04-12 | 2022-04-12 | 用于叠片机的料带入料检测方法、装置、叠片机、设备和介质 |
| CN202280038849.0A CN117529835A (zh) | 2022-04-12 | 2022-04-12 | 用于叠片机的料带入料检测方法、装置、叠片机、设备和介质 |
| EP22936830.3A EP4407725A4 (en) | 2022-04-12 | 2022-04-12 | METHOD AND DEVICE FOR MATERIAL STRIP FEED INSPECTION FOR A STACKING MACHINE AND STACKING MACHINE, DEVICE AND MEDIUM |
| KR1020247008476A KR20240042524A (ko) | 2022-04-12 | 2022-04-12 | 적층기를 위한 재료 스트립 피딩의 검출 방법 및 장치, 적층기, 기기 및 매체 |
| US18/594,908 US20240199359A1 (en) | 2022-04-12 | 2024-03-04 | Material strip feeding detection method and apparatus for stacking machine, stacking machine, device, and medium |
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| CN117718609A (zh) * | 2024-02-07 | 2024-03-19 | 蔚来电池科技(安徽)有限公司 | 用于极片分切系统的控制方法及极片分切系统 |
| CN117733374A (zh) * | 2024-02-07 | 2024-03-22 | 蔚来电池科技(安徽)有限公司 | 极片分切设备及极片分切设备的控制方法 |
| WO2025246035A1 (zh) * | 2024-05-27 | 2025-12-04 | 宁德时代新能源科技股份有限公司 | 电池叠片方法、装置及系统 |
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| CN117718198B (zh) * | 2024-02-08 | 2024-06-07 | 宁德时代新能源科技股份有限公司 | 涂布纠偏控制方法、装置、计算机设备和存储介质 |
| CN119240282B (zh) * | 2024-09-13 | 2025-09-12 | 中国神华能源股份有限公司神东煤炭分公司 | 一种基于ai检测识别的皮带状态检测方法 |
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| CN117733374A (zh) * | 2024-02-07 | 2024-03-22 | 蔚来电池科技(安徽)有限公司 | 极片分切设备及极片分切设备的控制方法 |
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| CN117718609B (zh) * | 2024-02-07 | 2024-05-10 | 蔚来电池科技(安徽)有限公司 | 用于极片分切系统的控制方法及极片分切系统 |
| WO2025246035A1 (zh) * | 2024-05-27 | 2025-12-04 | 宁德时代新能源科技股份有限公司 | 电池叠片方法、装置及系统 |
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| JP2024532445A (ja) | 2024-09-05 |
| US20240199359A1 (en) | 2024-06-20 |
| CN117529835A (zh) | 2024-02-06 |
| EP4407725A4 (en) | 2025-01-22 |
| EP4407725A1 (en) | 2024-07-31 |
| KR20240042524A (ko) | 2024-04-02 |
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