CN111129233A - Photovoltaic cell piece cutting series welding process - Google Patents
Photovoltaic cell piece cutting series welding process Download PDFInfo
- Publication number
- CN111129233A CN111129233A CN202010112204.XA CN202010112204A CN111129233A CN 111129233 A CN111129233 A CN 111129233A CN 202010112204 A CN202010112204 A CN 202010112204A CN 111129233 A CN111129233 A CN 111129233A
- Authority
- CN
- China
- Prior art keywords
- connecting piece
- carrying
- small sections
- segment
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 33
- 238000005520 cutting process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000011218 segmentation Effects 0.000 claims description 4
- 238000003698 laser cutting Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
Classifications
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Laser Beam Processing (AREA)
Abstract
And (3) a photovoltaic cell piece cutting and series welding process. The invention discloses a cutting series welding process of solar cells. The invention can improve the cutting efficiency of the conductive connecting piece; the invention can improve the whole cutting efficiency of the battery piece and improve the productivity of the battery piece; the invention can improve the lapping efficiency, the welding efficiency and the productivity of the battery strings.
Description
Technical Field
The invention relates to the field of photovoltaics, in particular to a photovoltaic cell segmentation series welding process.
Background
With the development of photovoltaic cell technology, a whole cell (such as a square or quasi-square) is equally divided into a plurality of sub-cells, and then a cell string is prepared from the sub-cells.
At present, the preparation of the partitioned battery string generally includes cutting the welding strip section by section, overlapping the partitioned battery string one by one, overlapping the welding strip on the previous partitioned battery string, cutting the welding strip, extending the small segment of the welding strip left on the partitioned battery string to the outer side of the partitioned battery string, overlapping the small segment of the welding strip on the partitioned battery string, and then, dividing the partitioned battery string into a plurality of sub-strings. Therefore, each time a piece is lapped, the welding strip needs to be cut once, so that the welding strip needs to be cut for many times when a battery string is lapped, and the battery string preparation efficiency is low.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a photovoltaic cell segmentation series welding process, which comprises the following steps of:
1) laying the strip-shaped or strip-shaped conductive connecting piece on the carrier group along the left and right directions; the carrying platform group consists of a plurality of carrying platforms which are arranged at equal intervals in sequence along the left-right direction, and the carrying platforms are adsorption carrying platforms; the conductive connecting piece spans each carrying platform;
2) carrying out laser cutting on the conductive connecting piece to enable the conductive connecting piece to be divided into a plurality of connecting piece small sections which are sequentially arranged along the left and right directions; the connecting piece small sections correspond to the carrying platforms one to one, the connecting piece small sections cross the corresponding carrying platforms, and the connecting piece small sections are sucked by the corresponding carrying platforms; one end of the left end and the right end of each connecting piece segment is a first end, and the other end of the left end and the right end of each connecting piece segment is a second end;
3) the distance between the two adjacent connecting piece small sections is adjusted by adjusting the distance between the carrying platform in the left-right direction, so that the distance between the two adjacent connecting piece small sections reaches the preset width;
4) flatly placing the whole battery piece on the carrying table group, pressing the whole battery piece on each connecting piece segment, and enabling the front side of the whole battery piece to be upward;
5) carrying out laser scribing on the whole piece on the carrying table group, so that the whole piece is divided into a plurality of slicing areas which are sequentially arranged along the left-right direction, and two adjacent slicing areas are divided by a cutting groove formed by laser scribing; the slicing areas correspond to the carrying tables one by one, and the slicing areas are sucked by the corresponding carrying tables; the slicing areas are in one-to-one correspondence with the connecting piece small sections, the first ends of the connecting piece small sections are positioned right below the corresponding slicing areas, the second ends of the connecting piece small sections are positioned on the outer sides of the corresponding slicing areas, and the parts of the connecting piece small sections positioned on the outer sides of the corresponding slicing areas are taken as the extension parts of the connecting piece small sections;
6) each carrying platform independently inclines a certain angle leftwards or rightwards, and the inclination angles of the adjacent carrying platforms are different, so that each cutting groove cracks in the inclination process of the carrying platforms on the two sides of the cutting groove; after each cutting groove is split, the slicing areas are respectively independent into slices; after the slicing areas respectively and independently form the slices, each carrying platform resets;
7) overlapping the extension part of the small section of the connecting piece on the segment with the top surface of the adjacent segment, and overlapping the segments which are sequentially arranged along the left and right directions into a battery string;
8) and heating and welding the battery string to weld the extension part of the small section of the connecting piece on the segment and the top surface of the adjacent segment together to complete the welding of the whole battery string.
Preferably, in step 1), the conductive connecting member is a welding strip or a welding rod.
Preferably, in step 8), infrared heating is used for heating welding.
The invention has the advantages and beneficial effects that:
1) the invention can improve the cutting efficiency of the conductive connecting piece;
2) the invention can improve the whole cutting efficiency of the battery piece and improve the productivity of the battery piece;
3) the invention can improve the lapping efficiency of the battery strings;
4) the invention can improve the welding efficiency of the battery string;
5) the invention can improve the productivity of the battery string.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The invention provides a photovoltaic cell piece segmentation series welding process, which comprises the following steps:
1) laying the strip-shaped or strip-shaped conductive connecting piece on the carrier group along the left and right directions; the carrying platform group consists of a plurality of carrying platforms which are arranged at equal intervals in sequence along the left-right direction, and the carrying platforms are adsorption carrying platforms; the conductive connecting piece spans each carrying platform; the conductive connecting piece can be a welding strip or a welding rod;
2) carrying out laser cutting on the conductive connecting piece to enable the conductive connecting piece to be divided into a plurality of connecting piece small sections which are sequentially arranged along the left and right directions; the connecting piece small sections correspond to the carrying platforms one to one, the connecting piece small sections cross the corresponding carrying platforms, and the connecting piece small sections are sucked by the corresponding carrying platforms; one end of the left end and the right end of each connecting piece segment is a first end, and the other end of the left end and the right end of each connecting piece segment is a second end; specifically, the first end of each connecting piece segment may be a left end, and the second end of each connecting piece segment may be a right end; or the first end of each connecting piece segment is the right end, and the second end of each connecting piece segment is the left end;
3) the distance between two adjacent connecting piece small sections is adjusted by adjusting the distance between the carrying platform in the left-right direction, so that the distance between the two adjacent connecting piece small sections reaches a preset width (the preset width can be automatically determined according to actual needs);
4) flatly placing the whole battery piece on the carrying table group, pressing the whole battery piece on each connecting piece segment, and enabling the front side of the whole battery piece to be upward; the whole battery piece can be rectangular, and the length direction of the whole battery piece is arranged along the left-right direction;
5) carrying out laser scribing on the whole piece on the carrying table group, so that the whole piece is divided into a plurality of slicing areas which are sequentially arranged along the left-right direction, and two adjacent slicing areas are divided by a cutting groove formed by laser scribing; the slicing areas correspond to the carrying tables one by one, and the slicing areas are sucked by the corresponding carrying tables; the slicing areas are in one-to-one correspondence with the connecting piece small sections, the first ends of the connecting piece small sections are positioned right below the corresponding slicing areas, the second ends of the connecting piece small sections are positioned on the outer sides of the corresponding slicing areas, and the parts of the connecting piece small sections positioned on the outer sides of the corresponding slicing areas are taken as the extension parts of the connecting piece small sections;
6) each carrying platform independently inclines a certain angle leftwards or rightwards, and the inclination angles of the adjacent carrying platforms are different, so that each cutting groove cracks in the inclination process of the carrying platforms on the two sides of the cutting groove; after each cutting groove is split, the slicing areas are respectively independent into slices; after the slicing areas respectively and independently form the slices, each carrying platform resets; at the moment, each carrying platform is provided with a corresponding separating piece and a corresponding connecting piece segment, the carrying platform sucks the corresponding separating piece and the corresponding connecting piece segment, and the separating pieces press the corresponding connecting piece segment (the separating pieces are sequentially arranged along the left-right direction, the connecting piece segments are sequentially arranged along the left-right direction, and the extending parts of the connecting piece segments are sequentially arranged along the left-right direction);
7) driving each carrying platform to move independently respectively, and overlapping the extension part of the small section of the connecting piece on the separating piece with the top surface of the adjacent separating piece so as to enable the separating pieces which are sequentially arranged along the left and right directions to be overlapped into a battery string; in the lapping process, the carrier keeps sucking the corresponding fragments and the small sections of the connecting pieces;
8) carrying out infrared heating welding on the battery string to enable the extension part of the small section of the connecting piece on the slicing piece to be welded with the top surface of the adjacent slicing piece together, and completing the welding of the whole battery string; and in the welding process, the carrying platform keeps sucking the corresponding separating sheet and the connecting piece small section.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The photovoltaic cell piece segmentation series welding process is characterized by comprising the following steps of:
1) laying the strip-shaped or strip-shaped conductive connecting piece on the carrier group along the left and right directions; the carrying platform group consists of a plurality of carrying platforms which are arranged at equal intervals in sequence along the left-right direction, and the carrying platforms are adsorption carrying platforms; the conductive connecting piece spans each carrying platform;
2) carrying out laser cutting on the conductive connecting piece to enable the conductive connecting piece to be divided into a plurality of connecting piece small sections which are sequentially arranged along the left and right directions; the connecting piece small sections correspond to the carrying platforms one to one, the connecting piece small sections cross the corresponding carrying platforms, and the connecting piece small sections are sucked by the corresponding carrying platforms; one end of the left end and the right end of each connecting piece segment is a first end, and the other end of the left end and the right end of each connecting piece segment is a second end;
3) the distance between the two adjacent connecting piece small sections is adjusted by adjusting the distance between the carrying platform in the left-right direction, so that the distance between the two adjacent connecting piece small sections reaches the preset width;
4) flatly placing the whole battery piece on the carrying table group, pressing the whole battery piece on each connecting piece segment, and enabling the front side of the whole battery piece to be upward;
5) carrying out laser scribing on the whole piece on the carrying table group, so that the whole piece is divided into a plurality of slicing areas which are sequentially arranged along the left-right direction, and two adjacent slicing areas are divided by a cutting groove formed by laser scribing; the slicing areas correspond to the carrying tables one by one, and the slicing areas are sucked by the corresponding carrying tables; the slicing areas are in one-to-one correspondence with the connecting piece small sections, the first ends of the connecting piece small sections are positioned right below the corresponding slicing areas, the second ends of the connecting piece small sections are positioned on the outer sides of the corresponding slicing areas, and the parts of the connecting piece small sections positioned on the outer sides of the corresponding slicing areas are taken as the extension parts of the connecting piece small sections;
6) each carrying platform independently inclines a certain angle leftwards or rightwards, and the inclination angles of the adjacent carrying platforms are different, so that each cutting groove cracks in the inclination process of the carrying platforms on the two sides of the cutting groove; after each cutting groove is split, the slicing areas are respectively independent into slices; after the slicing areas respectively and independently form the slices, each carrying platform resets;
7) overlapping the extension part of the small section of the connecting piece on the segment with the top surface of the adjacent segment, and overlapping the segments which are sequentially arranged along the left and right directions into a battery string;
8) and heating and welding the battery string to weld the extension part of the small section of the connecting piece on the segment and the top surface of the adjacent segment together to complete the welding of the whole battery string.
2. The splitting and series welding process of the photovoltaic cell slice as claimed in claim 1, wherein in the step 1), the conductive connecting piece is a welding strip or a welding rod.
3. The tandem cutting process for photovoltaic cells according to claim 1, wherein in step 8), the heating welding is performed by infrared heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112204.XA CN111129233B (en) | 2020-02-24 | 2020-02-24 | Photovoltaic cell piece cutting series welding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112204.XA CN111129233B (en) | 2020-02-24 | 2020-02-24 | Photovoltaic cell piece cutting series welding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111129233A true CN111129233A (en) | 2020-05-08 |
| CN111129233B CN111129233B (en) | 2021-04-20 |
Family
ID=70492180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010112204.XA Active CN111129233B (en) | 2020-02-24 | 2020-02-24 | Photovoltaic cell piece cutting series welding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111129233B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755570A (en) * | 2020-06-17 | 2020-10-09 | 无锡先导智能装备股份有限公司 | Battery string lamination method, battery string preparation device and series welding equipment |
| CN111755567A (en) * | 2020-06-17 | 2020-10-09 | 无锡先导智能装备股份有限公司 | Method for stacking battery strings |
| CN114864706A (en) * | 2022-05-12 | 2022-08-05 | 常州时创能源股份有限公司 | Preparation method of IBC battery pack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013001924A1 (en) * | 2011-06-29 | 2013-01-03 | 東レエンジニアリング株式会社 | System and method for manufacturing solar cell module |
| CN104858516A (en) * | 2015-05-12 | 2015-08-26 | 武汉开锐智能设备有限公司 | Solar cell welding technique |
| CN110634994A (en) * | 2019-09-26 | 2019-12-31 | 常州时创能源科技有限公司 | Method for welding connecting piece on back of battery piece |
| CN110649126A (en) * | 2019-09-26 | 2020-01-03 | 常州时创能源科技有限公司 | Preparation method of battery string |
-
2020
- 2020-02-24 CN CN202010112204.XA patent/CN111129233B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013001924A1 (en) * | 2011-06-29 | 2013-01-03 | 東レエンジニアリング株式会社 | System and method for manufacturing solar cell module |
| CN104858516A (en) * | 2015-05-12 | 2015-08-26 | 武汉开锐智能设备有限公司 | Solar cell welding technique |
| CN110634994A (en) * | 2019-09-26 | 2019-12-31 | 常州时创能源科技有限公司 | Method for welding connecting piece on back of battery piece |
| CN110649126A (en) * | 2019-09-26 | 2020-01-03 | 常州时创能源科技有限公司 | Preparation method of battery string |
Non-Patent Citations (1)
| Title |
|---|
| 常小琴: "光伏电池片自动串焊关键技术的研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755570A (en) * | 2020-06-17 | 2020-10-09 | 无锡先导智能装备股份有限公司 | Battery string lamination method, battery string preparation device and series welding equipment |
| CN111755567A (en) * | 2020-06-17 | 2020-10-09 | 无锡先导智能装备股份有限公司 | Method for stacking battery strings |
| CN114864706A (en) * | 2022-05-12 | 2022-08-05 | 常州时创能源股份有限公司 | Preparation method of IBC battery pack |
| CN114864706B (en) * | 2022-05-12 | 2024-02-13 | 常州时创能源股份有限公司 | Preparation method of IBC battery assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111129233B (en) | 2021-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111129233B (en) | Photovoltaic cell piece cutting series welding process | |
| CN110649126B (en) | Preparation method of battery string | |
| CN107564997B (en) | Battery piece conveying, scribing and series welding integrated equipment and scribing and welding method | |
| CN113937190B (en) | Battery string production method and equipment | |
| AU2016269043A1 (en) | Solar cell piece, solar cell module, cell piece unit, and preparation method therefor | |
| CN105449033A (en) | Machining method of cell strings and cell string cutting device | |
| CN108812171B (en) | Automatic change bamboo cutting machine | |
| CN110459617A (en) | Photovoltaic module and its manufacturing method | |
| CN204204888U (en) | Battery strings cutter sweep | |
| CN101567303B (en) | Laser film engraving equipment and scribing method | |
| CN115621368A (en) | Production equipment for film-bonded back contact battery string | |
| CN110649127B (en) | Manufacturing system of shingled photovoltaic module and working method thereof | |
| CN111180543A (en) | Solar cell segmentation series welding process | |
| RU2007144407A (en) | METHOD AND DEVICE FOR OBTAINING SORTIMENT OF SAWNINGS FROM WEDGE-shaped SAWNINGS | |
| EP1939948B1 (en) | Method and apparatus for breaking semiconductor substrate | |
| US20120024122A1 (en) | Method and apparatus for cutting out balsa blanket parts | |
| US20220320364A1 (en) | Welding method for welding strip of back-contact solar cell chip | |
| CN110797434A (en) | Preparation method of photovoltaic cell module and photovoltaic cell module | |
| CN110634994B (en) | Method for welding connecting piece on back of battery piece | |
| CN114770118A (en) | Battery string welding equipment and welding method | |
| CN212793301U (en) | Cutting machine of flange frame | |
| CN113857723A (en) | Battery string welding equipment and welding method | |
| CN113571601A (en) | Method for improving yield of battery fragments | |
| CN208117981U (en) | Automatic trimming equipment | |
| CN110649125B (en) | Lapping method of battery string |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |