CN202405274U - Highly fit and conductive photovoltaic welding strip - Google Patents
Highly fit and conductive photovoltaic welding strip Download PDFInfo
- Publication number
- CN202405274U CN202405274U CN2012200057167U CN201220005716U CN202405274U CN 202405274 U CN202405274 U CN 202405274U CN 2012200057167 U CN2012200057167 U CN 2012200057167U CN 201220005716 U CN201220005716 U CN 201220005716U CN 202405274 U CN202405274 U CN 202405274U
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- CN
- China
- Prior art keywords
- tin layer
- base band
- photovoltaic welding
- copper base
- welding strip
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a highly fit and conductive photovoltaic welding strip. The photovoltaic welding strip comprises a cell, a lower tin layer, a copper baseband and an upper tin layer, wherein the upper tin layer, the copper baseband and the lower tin layer are sequentially attached to the upper side surface of a silver paste layer on the upper side surface of the cell from the top down; and two convex slots facing to the upper tin layer are symmetrically formed on the copper baseband. The photovoltaic welding strip not only ensures the strength of connection between the copper baseband and the cell, but also has guaranteed electric conductivity.
Description
Technical field
The utility model relates to the high conduction of a kind of high subsides clothes photovoltaic welding belt.
Background technology
Photovoltaic welding belt is one of main auxiliary material of photovoltaic module, on solar panel, plays a part to connect silicon chip and conduction, and its inherent conductivity, solderability and percentage elongation play crucial effects to the quality of photovoltaic module.
Continuous development along with photovoltaic technology; The parameters of silicon chip is than being improved in the past; Especially the silicon chip power of unit are is increasingly high, but the electric conductivity of photovoltaic welding belt does not but have much variations, and more and more becomes one of bottleneck that improves silicon chip power.The electric conductivity of photovoltaic welding belt mainly is to be accomplished by copper base band wherein; The copper base band is more near the conduction coral line on the battery sheet, and the electric weight that the battery sheet is derived is big more, and electric conductivity is good more; And the conventional photovoltaic welding is in order to guarantee and to conduct electricity the bonding strength of coral line; The thickness of tin layer because the electric conductivity of tin is relatively poor, causes the electric conductivity variation of welding between 0.015mm-0.02mm under will guaranteeing between copper base band and the conduction coral line.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides the high conduction of a kind of high subsides clothes photovoltaic welding belt, and this photovoltaic welding belt both can guarantee the bonding strength between copper base band and the battery sheet, can guarantee the electric conductivity of welding again.
The utility model for the technical scheme that solves its technical problem and adopt is: the high conduction of a kind of high subsides clothes photovoltaic welding belt; Comprise battery sheet, following tin layer, copper base band and last tin layer; Said tin layer, copper base band and the following tin layer gone up is attached on the upper side of the silver slurry layer on the upper side that is positioned at said battery sheet successively from top to bottom, is symmetrically formed two tongues towards last tin layer direction on the said copper base band.Like this, can make the copper base band nearer, thereby improve the conductivity of welding, owing to tin thickness under the two tongue places becomes big, not influence the bonding strength between copper base band and the battery sheet again simultaneously what do not have tongue position and battery sheet to lean on.
As the further improvement of the utility model, the cross section of said tongue is rectangular.
The beneficial effect of the utility model is: be processed into special-shaped copper base band in advance through making the copper base band; Promptly symmetry is processed to form two tongues on the copper base band; Can make the following tin layer thickening of copper base band between tongue place and battery sheet like this, and in the thickness attenuation of the following tin layer of other positions, thereby at the bonding strength that both can guarantee between copper base band and the battery sheet; Can guarantee the conduction of electric weight between copper base band and the battery sheet again, thereby guarantee the electric conductivity of welding.
Description of drawings
Fig. 1 is the utility model structural representation.
In conjunction with the accompanying drawings, do following explanation:
The following tin layer of 1---battery sheet 2---
3---copper base band 4---go up the tin layer
5---silver slurry layer 6---tongue
Embodiment
The high conduction of a kind of high subsides clothes photovoltaic welding belt; Comprise battery sheet 1, following tin layer 2, copper base band 3 and last tin layer 4; Said tin layer, copper base band and the following tin layer gone up is attached on the upper side of the silver slurry layer 5 on the upper side that is positioned at said battery sheet successively from top to bottom, it is characterized in that: be symmetrically formed two tongues 6 towards last tin layer direction on the said copper base band.Like this, can make the copper base band nearer, thereby improve the conductivity of welding, owing to tin thickness under the two tongue places becomes big, not influence the bonding strength between copper base band and the battery sheet again simultaneously what do not have tongue position and battery sheet to lean on.
Preferably, the cross section of above-mentioned tongue is rectangular.
Claims (2)
1. high conduction photovoltaic welding belt is obeyed in one kind high subsides; Comprise battery sheet (1), following tin layer (2), copper base band (3) and last tin layer (4); Said tin layer, copper base band and the following tin layer gone up is attached on the upper side of the silver slurry layer (5) on the upper side that is positioned at said battery sheet successively from top to bottom, it is characterized in that: be symmetrically formed two tongues (6) towards last tin layer direction on the said copper base band.
2. the high high conduction of the clothes photovoltaic welding belt that pastes according to claim 1, it is characterized in that: the cross section of said tongue is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200057167U CN202405274U (en) | 2012-01-09 | 2012-01-09 | Highly fit and conductive photovoltaic welding strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200057167U CN202405274U (en) | 2012-01-09 | 2012-01-09 | Highly fit and conductive photovoltaic welding strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202405274U true CN202405274U (en) | 2012-08-29 |
Family
ID=46702903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200057167U Withdrawn - After Issue CN202405274U (en) | 2012-01-09 | 2012-01-09 | Highly fit and conductive photovoltaic welding strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202405274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629629A (en) * | 2012-01-09 | 2012-08-08 | 久知（吴江）新能源有限公司 | Highly attachable high-conductivity photovoltaic welding strip |
| CN108155263A (en) * | 2018-01-09 | 2018-06-12 | 深圳市华光达科技有限公司 | A kind of anti-oxidation photovoltaic welding belt |
-
2012
- 2012-01-09 CN CN2012200057167U patent/CN202405274U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629629A (en) * | 2012-01-09 | 2012-08-08 | 久知（吴江）新能源有限公司 | Highly attachable high-conductivity photovoltaic welding strip |
| CN102629629B (en) * | 2012-01-09 | 2014-12-24 | 久知（吴江）新能源有限公司 | Photovoltaic welding strip |
| CN108155263A (en) * | 2018-01-09 | 2018-06-12 | 深圳市华光达科技有限公司 | A kind of anti-oxidation photovoltaic welding belt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120829 Effective date of abandoning: 20141224 |
|
| RGAV | Abandon patent right to avoid regrant |