CN111398270A - Battery packaging film identification method, identification device, production system and laminating system - Google Patents
Battery packaging film identification method, identification device, production system and laminating system Download PDFInfo
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- CN111398270A CN111398270A CN201811638291.1A CN201811638291A CN111398270A CN 111398270 A CN111398270 A CN 111398270A CN 201811638291 A CN201811638291 A CN 201811638291A CN 111398270 A CN111398270 A CN 111398270A
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- 229920006280 packaging film Polymers 0.000 title claims abstract description 192
- 239000012785 packaging film Substances 0.000 title claims abstract description 192
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000010030 laminating Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000011156 evaluation Methods 0.000 claims description 28
- 238000005538 encapsulation Methods 0.000 claims description 24
- 239000003550 marker Substances 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000003708 edge detection Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012797 qualification Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 9
- WABPQHHGFIMREM-NOHWODKXSA-N lead-200 Chemical compound [200Pb] WABPQHHGFIMREM-NOHWODKXSA-N 0.000 description 10
- 238000003825 pressing Methods 0.000 description 10
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000003475 lamination Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
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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
- G01N21/8422—Investigating thin films, e.g. matrix isolation method
-
- 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
-
- 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
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- 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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
A battery packaging film marking method, a marking device, a production system and a laminating system are provided, wherein the marking method comprises the steps of obtaining a surface image of a certain section of battery packaging film to be detected; carrying out image processing on the surface image to obtain size information contained in the surface image; and if the size information does not meet the preset qualified conditions, marking the section of the battery packaging film to be detected. The battery packaging film identification method and the battery packaging film identification device can detect which parts of the battery packaging film are unqualified, identify the unqualified positions, avoid the unqualified positions in subsequent processing, and further avoid resource waste.
Description
Technical Field
The invention relates to the technical field of solar cells, in particular to a cell packaging film identification method, an identification device, a production system and a laminating system with the identification device.
Background
When the battery packaging film is processed and manufactured, the lead is pressed between the two packaging films through pressing. The lead is divided into a straight line end and an arc-shaped section, and errors may exist when the lead is processed into the shape, so that the straight line section is not perpendicular to the edge of the battery packaging film, or the arc-shaped section deforms to cause size change of the arc-shaped section, and the like. In the crimping process, the lead can also be deformed under the action of pressure; eventually leading to an unsatisfactory shape, size, and position of the wire in the packaging film, resulting in an unsatisfactory battery packaging film.
Disclosure of Invention
The invention aims to provide a method for detecting a battery packaging film and identifying a unqualified position.
In order to solve the above problems, the present invention provides a method for identifying a battery packaging film, comprising:
acquiring a surface image of a section of battery packaging film to be detected;
carrying out image processing on the surface image to obtain size information contained in the surface image;
and if the size information does not meet the preset qualified conditions, marking the section of the battery packaging film to be detected.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the step of obtaining the surface image of a section of the battery packaging film to be detected comprises:
and scanning the surface of a certain section of the battery packaging film to be detected to obtain a surface image of the section of the battery packaging film to be detected.
Further, the step of performing image processing on the surface image to obtain size information included in the surface image includes:
carrying out edge detection on the surface image to obtain a processed surface image;
and acquiring size information contained in the processed surface image, wherein the size information comprises size data of a lead in a battery packaging film and size data of a packaging film.
Further, if the size information does not meet the preset qualified condition, the step of marking the section of the battery packaging film to be detected comprises:
calculating to obtain battery packaging film evaluation parameters according to the size data of the lead and the size data of the packaging film;
if the evaluation parameter of the battery packaging film is not within the preset evaluation parameter range, judging that the section of the battery packaging film to be detected is unqualified;
and marking the section of the battery packaging film to be detected.
Further, the battery packaging film evaluation parameters include: the top of the segmental arc of wire with the interval at the edge of encapsulation film, the straightway of wire with the contained angle between the encapsulation film length direction, the chord length of the segmental arc of wire, the window district width of wire, the width of encapsulation film and the breakpoint quantity of wire.
The invention also provides a battery packaging film identification device, which comprises: the battery packaging film detection device comprises an image collector, an identifier and a control processor, wherein the image collector and the identifier are respectively electrically connected with the control processor, the image collector is used for obtaining a surface image of a battery packaging film to be detected, the identifier is used for identifying the battery packaging film to be detected, the control processor is used for carrying out image processing on the surface image to obtain size information contained in the surface image, and the identifier is controlled to carry out identification when the size information is judged not to meet a preset qualified condition.
Further, the marker is an ink jet printer.
The invention also provides a battery packaging film production system, which comprises: the battery packaging film identification device comprises a conveying mechanism and the battery packaging film identification device according to any one of the technical schemes, wherein the battery packaging film to be detected is arranged on the conveying mechanism, the image collector and the marker are sequentially arranged along the conveying direction of the battery packaging film, and the collecting head of the image collector and the marker head of the marker are both right opposite to the battery packaging film to be detected.
The battery packaging film winding device comprises a pressing device and a winding material roll, wherein the pressing device is used for pressing a first packaging film, a lead and a second packaging film which are sequentially stacked into the battery packaging film, the winding material roll is used for winding the battery packaging film after pressing, a conveying mechanism is arranged between a discharge port of the pressing device and the material roll, and the conveying mechanism comprises a transmission guide roller.
The invention also provides a laminating system for laminating a flexible photovoltaic module, comprising the cell encapsulation film production system.
The invention has the beneficial effects that:
the battery packaging film identification method and the battery packaging film identification device can detect which parts of the battery packaging film are unqualified, identify the unqualified positions, avoid the unqualified positions in subsequent processing, and further avoid resource waste.
Drawings
Fig. 1 is a schematic structural view of a battery encapsulating film in an embodiment of the present invention;
fig. 2 is a top view of a battery encapsulation film in an embodiment of the invention;
FIG. 3 is a flow chart of a method for identifying a battery packaging film in an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a battery packaging film identification device in an embodiment of the invention;
fig. 5 is a schematic structural diagram of a battery encapsulating film production system in an embodiment of the present invention.
Reference numerals:
1. the system comprises an image collector, a marker, a control processor, a transmission mechanism, a pressing device, a winding material roll, a support and a controller, wherein the image collector 2, the marker 3, the control processor 4, the transmission mechanism 5, the pressing device 6, the winding material roll 7 and the support are arranged on the support;
100. packaging film, 200, conducting wire;
1001. a first encapsulation film 1002, a second encapsulation film.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 and 2, the battery sealing film includes two sealing films 100 and a lead wire 200 crimped between the two sealing films 100.
Specifically, the two layers of encapsulation films 100 are a first encapsulation film 1001 and a second encapsulation film 1002, respectively, and the first encapsulation film 1001 and the second encapsulation film 1002 are arranged in a staggered manner.
Specifically, the lead 200 includes a plurality of parallel linear segments arranged at intervals, and two adjacent linear segments are connected by an arc segment.
In fig. 2, the X-axis represents the width direction of the sealing film 100, and the Y-axis represents the length direction of the sealing film 100. The width direction of the encapsulation film 100 is consistent with the extending direction of the straight line segment of the wire 200. The width of the encapsulation film 100 minus the width of the second encapsulation film 1002 is referred to as a window region width.
First embodiment
Fig. 3 is a flow chart of a battery packaging film identification method in an embodiment of the invention.
The battery packaging film marking method provided by the embodiment of the invention comprises the following steps:
and S1, acquiring a surface image of a certain section of battery packaging film to be detected.
Specifically, the surface of a certain section of the battery packaging film to be detected can be obtained through a photographing or scanning mode, and the surface image of the section of the battery packaging film to be detected is obtained. Optionally, the surface image of the battery packaging film to be detected may be acquired by a scanning camera.
And S2, carrying out image processing on the surface image to obtain size information contained in the surface image.
Specifically, performing edge detection on the surface image to obtain a processed surface image;
and acquiring size information contained in the processed surface image, wherein the size information comprises size data of the lead 200 in the battery packaging film and size data of the packaging film.
The purpose of edge detection is to detect points in the surface image where the brightness change is significant, and thereby determine the edges of objects in the surface image. In the embodiment of the invention, the edge detection is utilized to quickly detect the edge of the lead and the edge of the packaging film in the surface image of the battery packaging film to be detected, so as to obtain the size data of the lead 200 and the size data of the packaging film.
And S3, if the size information does not meet the preset qualified conditions, marking the section of the battery packaging film to be detected.
And judging whether the obtained size data of the lead 200 and the obtained size data of the packaging film meet preset qualified conditions, if not, indicating that the section of the battery packaging film to be detected is unqualified, and marking an unqualified mark on the corresponding position of the section of the battery packaging film to be detected, so that the unqualified area of the section can be conveniently identified in the subsequent processing and manufacturing process. And if the preset qualified conditions are met, the section of the battery packaging film to be detected is regarded as a qualified product, and the section of the battery packaging film is not marked at the moment.
Specifically, the evaluation parameters of the battery packaging film are calculated according to the size data of the lead 200 and the size data of the packaging film;
if the evaluation parameter of the battery packaging film is not within the preset evaluation parameter range, judging that the section of the battery packaging film to be detected is unqualified;
and marking the section of the battery packaging film to be detected.
In the embodiment of the invention, the evaluation parameter of the battery packaging film is obtained by calculation according to the size data of the lead 200 and the size data of the packaging film, and whether the section of the battery packaging film to be detected is qualified is judged according to the preset evaluation parameter range (namely the standard evaluation parameter range).
Specifically, the evaluation parameters of the battery packaging film comprise: the top end of the arc-shaped section of the wire 200 is spaced from the edge of the packaging film 100, the included angle between the straight line section of the wire 200 and the length direction of the packaging film 100, the chord length of the arc-shaped section of the wire 200, the width of the window area of the wire 200, the width of the packaging film and the number of breakpoints of the wire 200. Of course, the evaluation parameters of the present embodiment may also be other evaluation parameters of the wire or the packaging film, and the above only lists a few common evaluation parameters.
The preset evaluation parameter range comprises: the method comprises the steps of presetting a distance range, a preset angle range, a preset chord length range, a preset window area width range, a preset packaging film width range and a preset breakpoint quantity threshold, wherein the preset evaluation parameter range is set according to the processing requirement of an actual production line.
In addition, the length of a certain section of the battery packaging film in this embodiment can be set as required, for example: 3 feet.
Specifically, as shown in fig. 1 and 2, when the distance h1 between the top end of the arc-shaped segment of the lead 200 and the edge of the second encapsulation film 1002 is not between 0.6 and 2.1 mm for 5 consecutive times within the range of the encapsulation film 100 with a length of 3 feet, the segment of the battery encapsulation film is considered to be unqualified.
Alternatively, when the distance h2 between the top end of the curved section of the lead 200 and the edge of the first encapsulation film 1001 is not between-0.32 and 4.68 mm for 5 consecutive times within the range of the 3-foot long film 100, the section of the battery encapsulation film is considered to be defective.
Or, when the included angle a between the straight line segment of the lead wire 200 and the length direction of the packaging film is within the range of the film 100 with the length of 3 feet for 3 times and is not between 89 degrees and 91 degrees, the battery packaging film of the segment is considered to be unqualified.
Or, when the chord length i corresponding to the arc-shaped section of the wire 200 is within the range of the film 100 with the length of 3 feet for 5 times and is not between 3.25 mm and 4.75 mm, the section of the battery packaging film is considered to be unqualified.
Alternatively, the section of the battery encapsulating film is considered to be rejected when the width m of the window area is within the range of 3 feet long film 100 and is not between 40.45-41.95 for 5 consecutive times.
Alternatively, the section of the battery packaging film is considered to be rejected when the width L of the packaging film 100 is less than 55.7-58.2 consecutive 3 times within the range of a 3 foot long packaging film 100.
Alternatively, the number of breaks of the lead 200 in the range of the 3-foot long packaging film 100 is N, and when N is equal to or greater than 3, the section of the battery packaging film is considered to be defective.
And only when all the evaluation parameters of the battery packaging film meet the preset evaluation parameter range, the battery packaging film in the section is considered to be qualified.
According to the battery packaging film identification method, the surface image of a certain section of battery packaging film to be detected is obtained, the wire size data and the packaging film size data of the battery packaging film are obtained through image processing methods such as edge detection and the like, a plurality of battery packaging film evaluation parameters are obtained through calculation, whether the battery packaging film is qualified or not is judged if the battery packaging film evaluation parameters obtained through comparison meet the preset evaluation parameter range, and if the battery packaging film is not qualified, marking is carried out, so that the quality detection of the battery packaging film is realized. The battery packaging film identification method provided by the embodiment of the invention can detect which parts of the battery packaging film are unqualified, and identify the unqualified positions so as to avoid unqualified positions in subsequent processing, thereby avoiding resource waste.
Second embodiment
Fig. 4 is a schematic diagram of a battery packaging film identification apparatus in an embodiment of the invention. The arrows in the figure indicate the direction of movement of the battery packaging film.
As shown in fig. 4, a battery packaging film marking device includes: the device comprises a bracket 7, an image collector 1, a marker 2 and a control processor 3; the image collector 1 and the marker 2 are both arranged on the bracket 7.
The image collector 1 is used for obtaining a surface image of the battery packaging film to be detected, and the image collector can rotate relative to the bracket so that a collecting head of the image collector is aligned with the battery packaging film to be detected; specifically, the image acquisition device can be realized through a universal joint, one end of the universal joint is connected with the support 7, and the other end of the universal joint is connected with the image acquisition device 1.
The marker 2 can move relative to the bracket so that a marking head of the marker marks the battery packaging film to be detected;
the image collector 1 and the identifier 2 are respectively and electrically connected with the control processor 3, and the control processor is used for controlling the work of the image collector and the identifier.
The surface image of the battery packaging film is obtained through the image collector 1, the surface image is subjected to image processing through the control processor 3, then size information is obtained, when the size information does not meet the preset qualified conditions, the identifier 2 is controlled to identify the battery packaging film at the unqualified position, the structure is simple, the realization is convenient, and the cost is low.
Specifically, the control processor is a P L C processor or a DSP processor.
Specifically, the image collector 1 is a scanning camera; the marker 2 is an ink jet printer.
In a preferred embodiment, the marker further comprises a driving cylinder arranged on the bracket 7; the bottom of the driving cylinder is connected with the support 7, the push rod of the driving cylinder is connected with the identification head, and the push rod of the driving cylinder drives the identification head to be close to or far away from the battery packaging film to be detected. Of course, a mechanism for realizing linear reciprocating motion by adopting a hydraulic cylinder, an electric push rod and the like can also be adopted.
Because the image acquisition is carried out on the battery packaging film firstly and the unqualified position is identified, the image acquisition device 1 is arranged close to the rear part of the moving direction of the battery packaging film, and the identifier 2 is arranged close to the front part of the moving direction of the battery packaging film.
Because the battery packaging film moves all the time, and the image collector 1 and the marker 2 are arranged in front of and behind each other, in order to accurately mark the battery packaging film at unqualified parts, the following arrangement is made;
the distance between the image collector 1 and the marker 2 is S, the time when the battery packaging film moves from the image collector 1 to the marker 2 is t, and the average moving speed of the battery packaging film is v, wherein S is v t, so that the image collector 1 and the marker 2 are better matched to mark unqualified battery packaging film regions.
It should be noted that, in the embodiment of the present invention, the battery packaging film identification device is a system corresponding to the battery packaging film identification method one to one, and since the step flow of the battery packaging film identification method has been described in detail in the foregoing, the implementation process of the battery packaging film identification device is not described again here.
The battery packaging film identification device of the embodiment of the invention obtains the surface image of a certain section of battery packaging film to be detected through the image collector, the control processor obtains the wire dimension data and the packaging film dimension data of the battery packaging film according to the surface image analysis, and calculates a plurality of battery packaging film evaluation parameters, whether the battery packaging film evaluation parameters obtained by comparison meet the preset evaluation parameter range or not is judged to be qualified, if not, the marker is controlled to mark, and the quality detection of the battery packaging film is realized. The battery packaging film identification device provided by the embodiment of the invention has a simple structure, is convenient to realize, can detect which parts of the battery packaging film are unqualified, and identifies the unqualified positions so as to avoid unqualified positions in subsequent processing, thereby avoiding resource waste.
Third embodiment
Fig. 5 is a schematic structural diagram of a battery encapsulating film production system in an embodiment of the present invention. The arrows in the figure indicate the direction of movement of the battery packaging film.
As shown in fig. 5, a system for producing a battery encapsulating film according to an embodiment of the present invention includes: a transport mechanism 4 and a battery packaging film identification device as described in the second embodiment.
The battery packaging film to be detected is arranged on the conveying mechanism 4 and moves on the conveying mechanism 4 under the driving of the conveying mechanism 4.
The image collector 1 and the marker 2 are arranged above the battery packaging film to be detected and are sequentially arranged along the conveying direction of the battery packaging film, so that the collecting head of the image collector 1 and the marking head of the marker 2 are opposite to the battery packaging film to be detected; the image collector 1 is arranged close to the rear of the moving direction of the battery packaging film to be detected, and the marker 2 is arranged close to the front of the moving direction of the battery packaging film to be detected.
Further, the device also comprises a pressing device 5 and a winding material roll 6; the laminating device 5 is arranged behind the image collector 1 and is used for laminating the first packaging film 1001, the lead 200 and the second packaging film 1002 which are sequentially laminated into the battery packaging film; the winding material roll 6 is arranged in front of the movement of the battery packaging film and is used for winding the pressed battery packaging film; the conveying mechanism 4 is arranged between the discharge port of the pressing device 5 and the winding material roll 6.
In a preferred embodiment, the transport mechanism 4 comprises driven guide rollers.
The battery packaging film identification production system provided by the embodiment of the invention is additionally provided with the battery packaging film identification device in the original system, and the battery packaging film on the production line is detected and marked in real time, so that integrated production and quality detection is realized, the step of detecting the battery packaging film independently after the processing is finished is reduced, the working procedures are saved, the processing efficiency is improved, and the production cost is reduced.
Fourth embodiment
A laminating system according to an embodiment of the present invention, for laminating a flexible photovoltaic module, includes a waste removing device and a laminating device, and a battery encapsulating film production system according to a third embodiment; the waste removing device is arranged between a discharge port of the battery packaging film production system and the laminating device, the waste removing device is used for removing a certain section of battery packaging film with an identification, and the laminating device is used for laminating the battery packaging film and the photovoltaic chip into a photovoltaic module.
The laminating system of the embodiment of the invention integrates a battery packaging film production system to form an integrated photovoltaic module processing system for processing, detecting and laminating the battery packaging film. The unqualified area of the processed battery packaging film is marked by the battery packaging film marking device, the unqualified area is removed by the waste removing device before lamination, the battery packaging films for lamination are guaranteed to be qualified, and compared with the whole photovoltaic module which removes the unqualified area after lamination, the material waste is reduced, and the production cost is reduced.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A battery packaging film identification method is characterized by comprising the following steps:
acquiring a surface image of a section of battery packaging film to be detected;
carrying out image processing on the surface image to obtain size information contained in the surface image;
and if the size information does not meet the preset qualified conditions, marking the section of the battery packaging film to be detected.
2. The method for marking a battery packaging film according to claim 1, wherein the step of obtaining the surface image of a certain section of the battery packaging film to be detected comprises:
and scanning the surface of a certain section of the battery packaging film to be detected to obtain a surface image of the section of the battery packaging film to be detected.
3. The method for marking a battery packaging film according to claim 1, wherein the step of performing image processing on the surface image to obtain size information included in the surface image comprises:
carrying out edge detection on the surface image to obtain a processed surface image;
and acquiring size information contained in the processed surface image, wherein the size information comprises size data of a lead (200) in the battery packaging film and size data of a packaging film.
4. The method for marking a battery packaging film according to claim 3, wherein the step of marking the section of the battery packaging film to be detected if the size information does not meet a preset qualification condition comprises:
calculating to obtain battery packaging film evaluation parameters according to the size data of the lead (200) and the size data of the packaging film;
if the evaluation parameter of the battery packaging film is not within the preset evaluation parameter range, judging that the section of the battery packaging film to be detected is unqualified;
and marking the section of the battery packaging film to be detected.
5. The battery packaging film identification method of claim 4, wherein the battery packaging film evaluation parameters comprise: the top of the arc section of wire (200) with the interval of the edge of encapsulation film, the straightway of wire (200) with the contained angle between encapsulation film length direction, the chord length of the arc section of wire (200), the window district width of wire (200), the width of encapsulation film and the breakpoint quantity of wire (200).
6. A battery packaging film identification device, comprising: the battery packaging film detection device comprises an image collector (1), an identifier (2) and a control processor (3), wherein the image collector (1) and the identifier (2) are respectively electrically connected with the control processor (3), the image collector (1) is used for obtaining a surface image of a battery packaging film to be detected, the identifier (2) is used for identifying the battery packaging film to be detected, the control processor (3) is used for carrying out image processing on the surface image to obtain size information contained in the surface image, and when the size information is judged to be not satisfied with preset qualified conditions, the identifier (2) is controlled to carry out identification.
7. The battery packaging film identification device of claim 6, wherein the marker (2) is an ink jet printer.
8. A battery encapsulating film production system, comprising: the conveying mechanism (4) and the battery packaging film marking device according to claim 6 or 7, wherein the battery packaging film to be detected is arranged on the conveying mechanism (4), the image collector (1) and the marker (2) are sequentially arranged along the conveying direction of the battery packaging film, and both the collecting head of the image collector (1) and the marking head of the marker (2) are opposite to the battery packaging film to be detected.
9. The battery packaging film production system according to claim 8, further comprising a laminating device (5) and a winding material roll (6), wherein the laminating device (5) is used for laminating a first packaging film (1001), a conducting wire (200) and a second packaging film (1002) which are sequentially laminated into the battery packaging film, the winding material roll (6) is used for winding the laminated battery packaging film, the conveying mechanism (4) is arranged between a discharge port of the laminating device (5) and the winding material roll (6), and the conveying mechanism (4) comprises a transmission guide roller.
10. A laminating system for laminating flexible photovoltaic modules comprising the cell encapsulation film production system of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638291.1A CN111398270A (en) | 2018-12-29 | 2018-12-29 | Battery packaging film identification method, identification device, production system and laminating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638291.1A CN111398270A (en) | 2018-12-29 | 2018-12-29 | Battery packaging film identification method, identification device, production system and laminating system |
Publications (1)
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