CN110635097B - Method for lapping battery strings and application of method - Google Patents
Method for lapping battery strings and application of method Download PDFInfo
- Publication number
- CN110635097B CN110635097B CN201910917043.9A CN201910917043A CN110635097B CN 110635097 B CN110635097 B CN 110635097B CN 201910917043 A CN201910917043 A CN 201910917043A CN 110635097 B CN110635097 B CN 110635097B
- Authority
- CN
- China
- Prior art keywords
- battery
- connecting piece
- piece
- welded
- cell
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a lapping method of a battery string, which comprises the following steps: the battery piece carrying devices are sequentially arranged along a certain direction, and a connecting piece carrying device is arranged between every two adjacent battery piece carrying devices; each battery piece bearing device bears a horizontally arranged battery piece; each connecting piece bearing device bears a prefabricated connecting piece which can be welded in a hot-pressing mode; and taking a certain cell piece bearing device or a certain connecting piece bearing device as a fixed position, and enabling other cell piece bearing devices and connecting piece bearing devices to approach to the fixed position, so that the distance between the adjacent cell pieces and the prefabricated connecting pieces is reduced until the adjacent cell pieces and the prefabricated connecting pieces are lapped, and thus the cell string to be welded is prepared. The invention can efficiently lap joint the battery strings to be welded and can improve the productivity of the battery strings and components.
Description
Technical Field
The invention relates to the field of solar cells, in particular to a method for lapping a cell string and application of the method.
Background
The solar cell module mainly comprises a cell string, toughened glass, EVA (ethylene vinyl acetate), a back plate, a frame and the like. The battery string is formed by serially connecting battery pieces, two adjacent battery pieces in the battery string are serially connected through a connecting piece, and the commonly used connecting piece is generally a welding strip.
With the development of solar cell module technology, a cell sheet adopting an edge positive electrode appears, and a prefabricated connecting piece suitable for connecting the edge positive electrode also appears, such as a zigzag prefabricated connecting piece, but at present, no automatic overlapping method of a cell string suitable for the prefabricated connecting piece exists.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a method for overlapping battery strings, which comprises the following steps:
the battery piece carrying devices are sequentially arranged along a certain direction, and a connecting piece carrying device is arranged between every two adjacent battery piece carrying devices;
each battery piece bearing device bears a horizontally arranged battery piece; all the battery pieces are positioned at the same height; each cell slice is respectively provided with a front edge electrode and a back electrode; the front side edge electrode and the back side electrode on the same cell respectively face a pair of connecting piece bearing devices on two sides of the cell bearing device where the cell is located; the orientation of the front side edge electrode of the battery piece on each battery piece bearing device is the same;
each connecting piece bearing device bears a prefabricated connecting piece which can be welded in a hot-pressing mode; the prefabricated connecting pieces are positioned at the same height, and the height of the prefabricated connecting pieces is matched with that of the battery pieces; each prefabricated connecting piece is respectively provided with: the battery pack comprises a front side overlapping end, a back side overlapping end and a middle part, wherein the front side overlapping end is used for overlapping with a front side edge electrode of a battery piece, the back side overlapping end is used for overlapping with a back side electrode of the battery piece, and the middle part is respectively connected with the front side overlapping end and the back side overlapping end; on the same prefabricated connecting piece, the front side overlapping end and the back side overlapping end are respectively arranged on two sides of the middle part, and the front side overlapping end is positioned above the back side overlapping end; the front side overlapping end and the back side overlapping end on the same prefabricated connecting piece respectively face a pair of battery piece bearing devices on two sides of the connecting piece bearing device where the prefabricated connecting piece is located; the orientation of the front side overlapping ends of the prefabricated connecting pieces on each connecting piece bearing device is the same, and the orientation of the front side overlapping ends is opposite to that of the front side edge electrodes;
and taking a certain cell piece bearing device or a certain connecting piece bearing device as a fixed position, and enabling other cell piece bearing devices and connecting piece bearing devices to approach to the fixed position, so that the distance between the adjacent cell pieces and the prefabricated connecting pieces is reduced until the adjacent cell pieces and the prefabricated connecting pieces are lapped, and thus the cell string to be welded is prepared.
Preferably, the battery string to be welded is entirely transferred to a next process by the battery string transfer apparatus.
Preferably, after the whole battery string to be welded is transferred, the battery piece bearing device and the connecting piece bearing device which are close to the fixed position are restored.
Preferably, the connecting piece bearing device is internally provided with a connecting piece supply mechanism, and the connecting piece supply mechanism can output prefabricated connecting pieces one by one; the connector supply mechanism outputs a single prefabricated connector after each time the battery string to be welded is transferred as a whole.
Preferably, the in-situ battery piece carrying device is provided with a battery piece supply device, and the battery piece supply device can transfer battery pieces to the in-situ battery piece carrying device one by one; and after the whole battery string to be welded is transferred each time, the battery piece supply device transfers one battery piece to the battery piece bearing device in the original position.
The invention also provides a preparation method of the battery string, which is used for preparing the battery string to be welded by adopting the lapping method; and carrying out hot pressing on each prefabricated connecting piece in the battery string to enable each prefabricated connecting piece to be welded with a pair of adjacent battery pieces respectively, so that the welding of the battery string is completed.
The invention also provides a preparation method of the solar cell module, which is characterized in that the cell string to be welded is prepared by adopting the lapping method; the assembly is prepared by adopting the battery string to be welded, and each prefabricated connecting piece in the assembly is hot-pressed through an assembly laminating process, so that each prefabricated connecting piece is welded with a pair of adjacent battery pieces respectively, and the welding of the battery string is completed.
The invention has the advantages and beneficial effects that:
1) the invention can efficiently lap joint the battery strings to be welded and can improve the productivity of the battery strings and components.
2) The invention can carry out synchronous hot-press welding on each prefabricated connecting piece in the battery string, can improve the welding efficiency of the battery string and can also improve the productivity of the battery string and the assembly.
3) The invention can carry out synchronous hot-press welding on each prefabricated connecting piece in the assembly through the assembly laminating process, can save the welding step of a series welding machine, and can improve the productivity of the assembly.
Drawings
Figure 1 is a schematic view of the cell carriers and connector carriers in situ;
fig. 2 is a schematic diagram of the completion of cell string bridging.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. 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.
As shown in fig. 1 and 2, the present invention provides a method for overlapping a battery string, comprising the steps of:
a plurality of battery piece bearing devices 1 are sequentially arranged along a certain direction, and a connecting piece bearing device 2 is arranged between every two adjacent battery piece bearing devices 1;
each battery piece bearing device 1 bears a horizontally arranged battery piece 3; the battery pieces 3 are positioned at the same height; each cell 3 is provided with a front edge electrode 31 and a back electrode 32; the front edge electrode 31 and the back electrode 32 on the same cell 3 respectively face to the pair of connecting piece bearing devices 2 on the two sides of the cell bearing device 1 where the cell 3 is located; the front edge electrodes 31 of the battery pieces 3 on each battery piece bearing device 1 are in the same orientation;
each connecting piece bearing device 2 bears a prefabricated connecting piece 4 capable of being welded in a hot-pressing mode; the prefabricated connecting pieces 4 are positioned at the same height, and the height of the prefabricated connecting pieces 4 is matched with that of the battery pieces 3; each prefabricated connecting piece 4 is respectively provided with: a front side overlapping terminal 41 for overlapping the cell front side edge electrode 31, a back side overlapping terminal 42 for overlapping the cell back side electrode 32, and an intermediate portion 43 connecting the front side overlapping terminal 41 and the back side overlapping terminal 42, respectively; on the same prefabricated connecting piece 4, the front side overlapping end 41 and the back side overlapping end 42 are respectively arranged at two sides of the middle part 43, and the front side overlapping end 41 is positioned above the back side overlapping end 42; the front side overlapping end 41 and the back side overlapping end 42 on the same prefabricated connecting piece 4 respectively face to the pair of cell piece carrying devices 1 on two sides of the connecting piece carrying device 2 where the prefabricated connecting piece 4 is located; the orientation of the front-side lap ends 41 of the prefabricated connectors 4 on each connector-carrying device 2 is the same, and the orientation of the front-side lap ends 41 is opposite to that of the front-side edge electrodes 31;
taking a certain cell piece bearing device 1 or a certain connecting piece bearing device 2 as a fixing position, and enabling other cell piece bearing devices 1 and connecting piece bearing devices 2 to approach to the fixing position, so that the distance between the adjacent cell pieces 3 and the adjacent prefabricated connecting pieces 4 is reduced until the adjacent cell pieces 3 and the adjacent prefabricated connecting pieces 4 are lapped, and thus a cell string 5 to be welded is prepared;
the battery string 5 to be welded is entirely transferred to a next process by a battery string transfer device (not shown in the figure);
after the whole battery string 5 to be welded is transferred, the battery piece bearing device 1 and the connecting piece bearing device 2 close to the fixed position are restored to the original positions;
the connector carrier 2 is provided with a connector supply mechanism (not shown) inside, which can output the prefabricated connectors 4 one by one; after the battery string 5 to be welded is integrally transferred each time, the connecting piece supply mechanism outputs a single prefabricated connecting piece 4;
the in-situ battery piece carrying device 1 is provided with a battery piece supply device (not shown in the figure), and the battery piece supply device can transfer the battery pieces 3 to the in-situ battery piece carrying device 1 one by one; after each time the battery string 5 to be welded is transferred as a whole, the cell sheet supply device transfers one cell sheet 3 to the cell sheet carrier 1 which is in the home position.
The invention also provides a preparation method of the battery string, which is characterized in that the battery string 5 to be welded is prepared by adopting the lap joint method; and transferring the whole battery string 5 to be welded to a hot-pressing station through the battery string transplanting device, and hot-pressing each prefabricated connecting piece in the battery string to weld a pair of adjacent battery pieces together to complete the welding of the battery string.
The invention also provides a preparation method of the solar cell module, which is characterized in that the cell string 5 to be welded is prepared by adopting the lapping method; the battery string 5 to be welded is integrally transferred to a component laminating station through a battery string transplanting device, a component is prepared by adopting the battery string 5 to be welded, and each prefabricated connecting piece in the component is hot-pressed through a component laminating process, so that each prefabricated connecting piece is welded with a pair of adjacent battery pieces, and the welding of the battery string is completed.
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 (4)
1. The lapping method of the battery strings is characterized by comprising the following steps:
the battery piece carrying devices are sequentially arranged along a certain direction, and a connecting piece carrying device is arranged between every two adjacent battery piece carrying devices;
each battery piece bearing device bears a horizontally arranged battery piece; all the battery pieces are positioned at the same height; each cell slice is respectively provided with a front edge electrode and a back electrode; the front side edge electrode and the back side electrode on the same cell respectively face a pair of connecting piece bearing devices on two sides of the cell bearing device where the cell is located; the orientation of the front side edge electrode of the battery piece on each battery piece bearing device is the same;
each connecting piece bearing device bears a prefabricated connecting piece which can be welded in a hot-pressing mode; the prefabricated connecting pieces are positioned at the same height, and the height of the prefabricated connecting pieces is matched with that of the battery pieces; each prefabricated connecting piece is respectively provided with: the battery pack comprises a front side overlapping end, a back side overlapping end and a middle part, wherein the front side overlapping end is used for overlapping with a front side edge electrode of a battery piece, the back side overlapping end is used for overlapping with a back side electrode of the battery piece, and the middle part is respectively connected with the front side overlapping end and the back side overlapping end; on the same prefabricated connecting piece, the front side overlapping end and the back side overlapping end are respectively arranged on two sides of the middle part, and the front side overlapping end is positioned above the back side overlapping end; the front side overlapping end and the back side overlapping end on the same prefabricated connecting piece respectively face a pair of battery piece bearing devices on two sides of the connecting piece bearing device where the prefabricated connecting piece is located; the orientation of the front side overlapping ends of the prefabricated connecting pieces on each connecting piece bearing device is the same, and the orientation of the front side overlapping ends is opposite to that of the front side edge electrodes;
taking a certain cell piece bearing device or a certain connecting piece bearing device as a fixed position, and enabling other cell piece bearing devices and connecting piece bearing devices to approach to the fixed position, so that the distance between adjacent cell pieces and prefabricated connecting pieces is reduced until the adjacent cell pieces and the prefabricated connecting pieces are lapped, and thus a cell string to be welded is prepared;
transferring the whole battery string to be welded to a next working procedure through the battery string transplanting device; after the whole battery string to be welded is transferred, returning to the original positions of the battery piece bearing device and the connecting piece bearing device which are close to the fixed positions; the connecting piece bearing device is internally provided with a connecting piece supply mechanism which can output prefabricated connecting pieces one by one; the connector supply mechanism outputs a single prefabricated connector after each time the battery string to be welded is transferred as a whole.
2. The lapping method of battery strings according to claim 1, wherein the in-situ battery sheet carrying device is provided with a battery sheet supply device, and the battery sheet supply device can transfer battery sheets to the in-situ battery sheet carrying device one by one; and after the whole battery string to be welded is transferred each time, the battery piece supply device transfers one battery piece to the battery piece bearing device in the original position.
3. The method for manufacturing the battery string is characterized in that the battery string to be welded is manufactured by the lapping method of claim 1; and carrying out hot pressing on each prefabricated connecting piece in the battery string to enable each prefabricated connecting piece to be welded with a pair of adjacent battery pieces respectively, so that the welding of the battery string is completed.
4. A method for manufacturing a solar cell module, characterized in that a cell string to be welded is manufactured by the lapping method of claim 1; the assembly is prepared by adopting the battery string to be welded, and each prefabricated connecting piece in the assembly is hot-pressed through an assembly laminating process, so that each prefabricated connecting piece is welded with a pair of adjacent battery pieces respectively, and the welding of the battery string is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917043.9A CN110635097B (en) | 2019-09-26 | 2019-09-26 | Method for lapping battery strings and application of method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917043.9A CN110635097B (en) | 2019-09-26 | 2019-09-26 | Method for lapping battery strings and application of method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110635097A CN110635097A (en) | 2019-12-31 |
| CN110635097B true CN110635097B (en) | 2022-03-22 |
Family
ID=68972988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910917043.9A Active CN110635097B (en) | 2019-09-26 | 2019-09-26 | Method for lapping battery strings and application of method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110635097B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5053347B2 (en) * | 2009-10-06 | 2012-10-17 | 芝浦メカトロニクス株式会社 | Semiconductor cell, solar cell module, lead wire connecting device and connecting method |
| CN109623204B (en) * | 2018-12-14 | 2020-09-01 | 中节能太阳能科技（镇江）有限公司 | Welding structure, welding equipment and welding method |
| CN109802012B (en) * | 2019-01-24 | 2021-01-01 | 常州时创能源股份有限公司 | Preparation method of solar cell module |
| CN110112259B (en) * | 2019-05-28 | 2023-11-28 | 江阴初旭智能科技有限公司 | Tile overlapping and series welding integrated machine and application and method thereof |
| CN110216407B (en) * | 2019-06-13 | 2024-02-13 | 无锡奥特维科技股份有限公司 | Bus bar welding device and welding method |
-
2019
- 2019-09-26 CN CN201910917043.9A patent/CN110635097B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110635097A (en) | 2019-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108687418B (en) | Solder strip connection method of solar cell | |
| CN108231952B (en) | Photovoltaic cell module and preparation process thereof | |
| CN102544167A (en) | MWT (Metal Wrap-Through) solar cell assembly and manufacturing method thereof | |
| CN109904283B (en) | Interconnection manufacturing method of solar cell and solar cell module manufactured by interconnection manufacturing method | |
| CN108574025B (en) | Method for manufacturing laminated tile assembly | |
| CN216145631U (en) | Photovoltaic cell string manufacturing device and photovoltaic module production equipment | |
| CN110649126A (en) | Preparation method of battery string | |
| CN109014479A (en) | Battery plate welding device and method | |
| CN112768539A (en) | Photovoltaic double-sided battery typesetting and assembling method thereof | |
| WO2022237314A1 (en) | Tandem connection assembly for photovoltaic cell layer and preparation method and application of tandem connection assembly | |
| CN112289889A (en) | Battery string production method | |
| CN217280809U (en) | No main grid photovoltaic module with film | |
| CN102751360A (en) | Photovoltaic component and manufacture method thereof | |
| CN215815903U (en) | Photovoltaic module | |
| CN114864721A (en) | Main-grid-free photovoltaic module, preparation method thereof and welding strip welding method | |
| CN110635097B (en) | Method for lapping battery strings and application of method | |
| CN102810604A (en) | Manufacturing method of back contact battery photovoltaic module | |
| CN110797434B (en) | Preparation method of photovoltaic cell module and photovoltaic cell module | |
| EP3211676B1 (en) | Method for producing solar cell module | |
| CN107552911B (en) | Series welding machine with double welding stations and series welding method for battery pieces | |
| CN110634994B (en) | Method for welding connecting piece on back of battery piece | |
| CN213752721U (en) | Solar photovoltaic module | |
| CN104952958B (en) | Exempt to weld photovoltaic module and processing method | |
| CN209804677U (en) | Single-side direct-connection solar cell module | |
| KR20210087245A (en) | Manufacturing method and device of high efficiency photovoltaic strip using it |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Liyang City, Jiangsu province 213300 Li Cheng Zhen Wu Changzhou city Tandu Road No. 8 Applicant after: Changzhou Shichuang Energy Co., Ltd Address before: Liyang City, Jiangsu province 213300 Li Cheng Zhen Wu Changzhou city Tandu Road No. 8 Applicant before: CHANGZHOU SHICHUANG ENERGY TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |