CN115117200A - Method for repairing laminated tile assembly - Google Patents
Method for repairing laminated tile assembly Download PDFInfo
- Publication number
- CN115117200A CN115117200A CN202210645430.3A CN202210645430A CN115117200A CN 115117200 A CN115117200 A CN 115117200A CN 202210645430 A CN202210645430 A CN 202210645430A CN 115117200 A CN115117200 A CN 115117200A
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- Prior art keywords
- strip
- welding
- battery
- small
- laminated
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000003466 welding Methods 0.000 claims abstract description 147
- 230000002950 deficient Effects 0.000 claims abstract description 22
- 229910000679 solder Inorganic materials 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000013102 re-test Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
-
- 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
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
- H01L31/0508—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module the interconnection means having a particular shape
-
- 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
- H01L31/186—Particular post-treatment for the devices, e.g. annealing, impurity gettering, short-circuit elimination, recrystallisation
-
- 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
- H01L31/186—Particular post-treatment for the devices, e.g. annealing, impurity gettering, short-circuit elimination, recrystallisation
- H01L31/1864—Annealing
-
- 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)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a method for repairing a laminated tile assembly, which comprises the following steps: setting a certain small battery strip on the laminated tile assembly as a first small battery strip, welding a first welding strip on the first small battery strip, welding a second small battery strip on the second small battery strip, and when the first small battery strip is a defective product, welding a second welding strip on the second small battery strip; taking a third battery small strip with the same shape and performance as the first battery small strip, and welding a third welding strip on the front surface of the third battery small strip; and rejecting defective first battery small strips, replacing the positions of the first battery small strips with third battery small strips, still splicing the third battery small strips at the adjacent positions of the second battery small strips, and welding the connecting parts of the third welding strip and the second welding strip. The invention solves the problem that the appearance quality of the laminated assembly is influenced by repairing the laminated assembly in a back short circuit mode in the prior art, the appearance of the welded laminated assembly does not change greatly compared with that before repairing, and the appearance quality of the laminated assembly is improved.
Description
Technical Field
The invention belongs to the technical field of solar module manufacturing, and particularly relates to a method for repairing a laminated module.
Background
At present, when defective battery strips are found in quality detection of the laminated tile assembly and need to be repaired, a common repairing mode is a back short circuit mode. After this mode is reprocessed, weld the area for fold tile assembly back welding, comparatively obvious easily observe, cause the influence to fold tile assembly appearance quality.
Disclosure of Invention
The invention provides a method for repairing a laminated assembly, aiming at solving the problem that the appearance quality of the laminated assembly is influenced by repairing the laminated assembly in a back face short-circuit mode in the prior art. The method is characterized in that the front side is welded, the thin welding strip is used for welding, the appearance of the welded laminated assembly is not greatly changed compared with the appearance of the laminated assembly before repair, and the appearance quality of the laminated assembly is improved.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method for repairing a laminated assembly comprises the following steps:
setting a certain small battery strip on the laminated tile assembly as a first small battery strip, welding a first welding strip on the first small battery strip, welding a second small battery strip on the second small battery strip, and when the first small battery strip is a defective product, welding a second welding strip on the second small battery strip;
taking a third battery small strip with the same shape and performance as the first battery small strip, and welding a third welding strip on the front surface of the third battery small strip;
rejecting defective products, replacing the position of the first small battery strip with the third small battery strip, still splicing the position adjacent to the second small battery strip, and welding the connecting part of the third welding strip and the second welding strip.
Further, the length of the third solder strip is greater than the length of the first solder strip.
Further, the length of the third solder strip is 1-2 times the length of the first solder strip.
Further, when the connecting portion of the third solder strip and the second solder strip is soldered, PAD points of the third solder strip and the second solder strip are overlapped.
Further, conductive adhesive is coated on the PAD points of the third bonding tape and the second bonding tape.
Further, in the steps of welding the third welding strip on the front surface of the third battery small strip and welding the connecting part of the third welding strip and the second welding strip, the welding temperature is 350 ℃ +/-10 ℃.
Further, in the steps of welding the third welding strip on the front surface of the third battery small strip and welding the connecting part of the third welding strip and the second welding strip, the welding time is 1-1.5 min.
Further, after the step of welding the connection portion of the third solder strip and the second solder strip, the method further comprises the steps of: and cooling the welded laminated tile assembly.
Further, before the step of welding the third solder strip on the front surface of the third battery small strip, the method further comprises the steps of: and identifying defective battery strips of the laminated assembly.
Further, the method also comprises the following steps after the step of cooling the welded laminated tile assembly: and performing quality retest on the cooled tile stack assembly.
The invention relates to a method for repairing a laminated tile assembly. The method is characterized in that the front side is welded, the thin welding strip is used for welding, the appearance of the welded laminated assembly is not greatly changed compared with the appearance of the laminated assembly before repair, and the appearance quality of the laminated assembly is improved.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by reference are exemplary and are intended to be illustrative of the invention, but are not to be construed as limiting the invention.
The embodiment of the invention provides a method for repairing a laminated assembly, which comprises the following steps:
setting a certain small battery strip on the laminated tile assembly as a first small battery strip, welding a first welding strip on the first small battery strip, welding a second small battery strip on the second small battery strip, and when the first small battery strip is a defective product, welding a second welding strip on the second small battery strip;
taking a small battery strip with the same shape and performance as the first small battery strip, and welding a third welding strip on the front surface of the third small battery strip;
and rejecting defective first battery small strips, replacing the positions of the first battery small strips with third battery small strips, still splicing the third battery small strips at the adjacent positions of the second battery small strips, and welding the connecting parts of the third welding strip and the second welding strip.
Specifically, the length of the third solder strip is greater than the length of the first solder strip. The length of the third welding strip is greater than that of the first welding strip, and when the defective first battery small strip is replaced by the third battery small strip, the connecting part of the third battery small strip and the second battery small strip is convenient to weld.
Specifically, the third solder strip used is a fine solder strip.
Preferably, the length of the third solder strip is 1-2 times the length of the first solder strip.
Specifically, when the connecting portion of the third solder strip and the second solder strip is soldered, PAD points of the third solder strip and the second solder strip overlap. Due to the fact that the PAD points of the third welding strip and the PAD points of the second welding strip are overlapped, the PAD points can be found more quickly during welding to be welded, and the connecting sections of the third welding strip and the second welding strip are connected.
Preferably, the PAD points of the third bonding PAD and the second bonding PAD are coated with conductive adhesive.
Preferably, in the steps of welding the third welding strip on the front surface of the third battery small strip and welding the connecting part of the third welding strip and the second welding strip, the welding temperature is 350 ℃ +/-10 ℃.
Preferably, in the steps of welding the third welding strip on the front surface of the third battery small strip and welding the connecting part of the third welding strip and the second welding strip, the welding time is 1-1.5 min.
Specifically, the method further comprises the following steps after the step of welding the connecting part of the third welding strip and the second welding strip: and cooling the welded laminated tile assembly.
Specifically, the method further comprises the following steps of before the step of welding the third solder strip on the front surface of the third battery small strip: and identifying defective battery strips of the laminated assembly.
Specifically, the method further comprises the following steps after the step of cooling the welded stack assembly: and performing quality retest on the cooled tile stack assembly.
Example 1:
setting a certain small battery strip on the laminated tile assembly as a first small battery strip, welding a first welding strip on the first small battery strip, welding a second small battery strip on the second small battery strip, identifying defective products, and identifying that the first small battery strip is a defective product;
taking a small battery strip with the same shape and performance as the first small battery strip, and welding a third welding strip on the front surface of the third small battery strip;
and rejecting defective first battery small strips, replacing the positions of the first battery small strips with third battery small strips, still splicing the third battery small strips at the adjacent positions of the second battery small strips, and welding the connecting parts of the third welding strip and the second welding strip.
The length of the third welding strip is twice that of the first welding strip, the welding temperature is 340 ℃, the welding time is 1min, cooling is carried out after welding, and quality retesting is carried out after cooling.
Example 2:
setting a certain small battery strip on the laminated tile assembly as a first small battery strip, welding a first welding strip on the first small battery strip, welding a second small battery strip on the second small battery strip, identifying defective products, and identifying that the first small battery strip is a defective product;
taking a small battery strip with the same shape and performance as the first small battery strip, and welding a third welding strip on the front surface of the third small battery strip;
and rejecting defective first battery small strips, replacing the positions of the first battery small strips with third battery small strips, still splicing the third battery small strips at the adjacent positions of the second battery small strips, and welding the connecting parts of the third welding strip and the second welding strip.
The length of the third welding strip is twice of that of the first welding strip, the welding temperature is 360 ℃, the welding time is 1.5min, cooling is carried out after welding, and quality retesting is carried out after cooling.
Example 3:
setting a certain small battery strip on the laminated tile assembly as a first small battery strip, welding a first welding strip on the first small battery strip, welding a second small battery strip on the second small battery strip, identifying defective products, and identifying that the first small battery strip is a defective product;
taking a small battery strip with the same shape and performance as the first small battery strip, and welding a third welding strip on the front surface of the third small battery strip;
and rejecting defective first battery small strips, replacing the positions of the first battery small strips with third battery small strips, still splicing the third battery small strips at the adjacent positions of the second battery small strips, and welding the connecting parts of the third welding strip and the second welding strip.
The length of the third welding strip is 1.5 times of the length of the first welding strip, the welding temperature is 350 ℃, the welding time is 1.5min, cooling is carried out after welding, and quality retesting is carried out after cooling.
The repaired tile-stacked assembly obtained in the embodiment 1-3 is compared with a tile-stacked assembly obtained in a traditional repairing mode (a back short-circuit mode is used), the thin welding strip is welded on the front surface of the tile-stacked assembly obtained in the embodiment 1-3, the appearance is not obvious, compared with the tile-stacked assembly obtained in the traditional repairing mode, the influence on the appearance after repairing is lower, and the appearance quality of the tile-stacked assembly is effectively improved compared with the traditional repairing mode.
The invention has the advantages and beneficial effects that:
the invention relates to a method for repairing a laminated tile assembly. The method is characterized in that the front side is welded, the thin welding strip is used for welding, the appearance of the welded laminated assembly is not greatly changed compared with the appearance of the laminated assembly before repair, and the appearance quality of the laminated assembly is improved.
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 method for repairing a laminated assembly is characterized by comprising the following steps:
setting a certain small battery strip on the laminated tile assembly as a first small battery strip, welding a first welding strip on the first small battery strip, welding a second small battery strip on the second small battery strip, and when the first small battery strip is a defective product, welding a second welding strip on the second small battery strip;
taking a third battery small strip with the same shape and performance as the first battery small strip, and welding a third welding strip on the front surface of the third battery small strip;
rejecting defective first battery small strips, replacing the first battery small strips by third battery small strips, still splicing adjacent positions of the second battery small strips, and welding the third welding strip and the second welding strip at the connecting part.
2. The method of repairing a laminated assembly of claim 1, wherein:
the length of the third solder strip is greater than the length of the first solder strip.
3. The method of repairing a laminated assembly of claim 2, wherein:
the length of the third solder strip is 1-2 times the length of the first solder strip.
4. A method of reworking a laminated assembly according to any one of claims 1 to 3, wherein:
when the connecting part of the third welding strip and the second welding strip is welded, PAD points of the third welding strip and the second welding strip are overlapped.
5. The method of repairing a laminated assembly of claim 4, wherein:
and conductive adhesive is coated on PAD points of the third welding strip and the second welding strip.
6. A method of reworking a laminated assembly according to any one of claims 1 to 3 or 5, wherein:
and in the steps of welding the third welding strip on the front surface of the third battery small strip and welding the connecting part of the third welding strip and the second welding strip, the welding temperature is 350 +/-10 ℃.
7. The method of repairing a laminated assembly of claim 6, wherein:
and in the steps of welding the third welding strip on the front surface of the third battery small strip and welding the connecting part of the third welding strip and the second welding strip, the welding time is 1-1.5 min.
8. A method of reworking a laminated assembly according to any one of claims 1 to 3, 5 and 7, wherein:
the method further comprises the following steps after the step of welding the connecting part of the third welding strip and the second welding strip: and cooling the welded laminated tile assembly.
9. A method of reworking a laminated assembly according to any one of claims 1 to 3, 5 and 7, wherein:
the method also comprises the following steps of welding a third welding strip on the front surface of the third battery small strip: and identifying defective battery strips of the laminated assembly.
10. The method of repairing a laminated assembly of claim 8, wherein:
the method also comprises the following steps after the step of cooling the welded laminated tile assembly: and performing quality retest on the cooled tile stack assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210645430.3A CN115117200A (en) | 2022-06-09 | 2022-06-09 | Method for repairing laminated tile assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210645430.3A CN115117200A (en) | 2022-06-09 | 2022-06-09 | Method for repairing laminated tile assembly |
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| Publication Number | Publication Date |
|---|---|
| CN115117200A true CN115117200A (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210645430.3A Pending CN115117200A (en) | 2022-06-09 | 2022-06-09 | Method for repairing laminated tile assembly |
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|---|---|
| CN (1) | CN115117200A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117293231A (en) * | 2023-11-24 | 2023-12-26 | 天合光能股份有限公司 | Battery string repairing method, preparation method of replacement battery string and battery string |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671805A (en) * | 2018-12-24 | 2019-04-23 | 苏州阿特斯阳光电力科技有限公司 | The restorative procedure of photovoltaic module |
| CN111668332A (en) * | 2019-03-07 | 2020-09-15 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module and method for manufacturing same |
| CN114464706A (en) * | 2022-02-22 | 2022-05-10 | 无锡奥特维科技股份有限公司 | Battery string repair platform and repair equipment |
-
2022
- 2022-06-09 CN CN202210645430.3A patent/CN115117200A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671805A (en) * | 2018-12-24 | 2019-04-23 | 苏州阿特斯阳光电力科技有限公司 | The restorative procedure of photovoltaic module |
| CN111668332A (en) * | 2019-03-07 | 2020-09-15 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module and method for manufacturing same |
| CN114464706A (en) * | 2022-02-22 | 2022-05-10 | 无锡奥特维科技股份有限公司 | Battery string repair platform and repair equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117293231A (en) * | 2023-11-24 | 2023-12-26 | 天合光能股份有限公司 | Battery string repairing method, preparation method of replacement battery string and battery string |
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