CN109728118A - A kind of low current welding and preparation method thereof - Google Patents
A kind of low current welding and preparation method thereof Download PDFInfo
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- CN109728118A CN109728118A CN201910153697.9A CN201910153697A CN109728118A CN 109728118 A CN109728118 A CN 109728118A CN 201910153697 A CN201910153697 A CN 201910153697A CN 109728118 A CN109728118 A CN 109728118A
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- low current
- current welding
- copper
- welding
- aluminium core
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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
The invention discloses a kind of low current weldings, are circle for flat or section, low current welding includes base and tin layers, and base includes aluminium core and the outer copper-clad for being coated on aluminium core surface.There are two types of the preparation methods of low current welding, and one kind is welding copper method, and another kind covers copper method for electrolysis, the present invention uses copper-clad aluminum alloy substitution fine copper as the low current welding in photovoltaic industry for the first time, cost is greatly reduced, and preparation is simple, and its conductivity, tensile strength, elongation percentage declines less under experimental situation, and within usable range, manufactured welding weight is small, high-volume transport convenient in carrying, greatly reduces entreprise cost.
Description
Technical field
The present invention relates to a kind of photovoltaic welding belts more particularly to a kind of low current welding and preparation method thereof.
Background technique
Welding is mainly used in photovoltaic modules the welding between solar panel, and welding is mostly the tin plating shape of fine copper wicking surface at present
At scolding tin is primarily to prevent from aoxidizing, and conductivity is high, but with high costs, and the quality of welding is larger, and bulk transport is removed
Fortune is inconvenient.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of low current weldings and preparation method thereof.
Technical solution of the present invention is as follows: a kind of low current welding, is round, the low current weldering for flat or section
Band includes base and tin layers, and the base includes aluminium core and the outer copper-clad for being coated on aluminium core surface.
Specifically: the flat low current welding with a thickness of 0.18mm-0.3mm, the section is circular low electricity
The diameter of fluid welding band is 0.2mm-0.4mm.
Specifically: the tin layers with a thickness of 0.03mm-0.05mm.
Specifically: copper content is 10%-60% by volume in the low current welding.
A kind of preparation method of low current welding, comprising the following steps:
Step 1: copper strips is coated on aluminium core surface；
Step 2: by being welded by the way of argon arc welding at the docking of copper strips；
Step 3: the semi-finished product in step 2 are formed base by wire drawing drawing；
Step 4: base's calendering rear surface is tin plating.
A kind of preparation method of low current welding, comprising the following steps:
Step 1: aluminium core is passed through in the electrolyte with copper ion, make one layer of copper of aluminium core adsorption；
Step 2: the semi-finished product in step 2 are formed base by wire drawing drawing；
Step 3: base's calendering rear surface is tin plating.
The beneficial effects of the present invention are: the present invention uses copper-clad aluminum alloy substitution fine copper as in photovoltaic industry for the first time
Low current welding, cost are greatly reduced, and preparation is simple, and its conductivity, tensile strength, elongation percentage decline under experimental situation
Few, within usable range, manufactured welding weight is small, and high-volume transports convenient in carrying, greatly reduces entreprise cost.
Detailed description of the invention
The following further describes the present invention with reference to the drawings.
Fig. 1 is a kind of schematic cross-section of flat low current welding of the invention.
Fig. 2 is the schematic cross-section that a kind of section of the present invention is circular low current welding.
Wherein: 1- tin layers；The outer copper-clad of 2-；3- aluminium core.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Case as a comparison, following table one are the physical property laboratory data of the fine copper welding of different-thickness,
Table one
Specific embodiment one, a kind of low current welding, to be flat, the low current welding includes base and tin layers 1, institute
Stating base includes aluminium core 3 and the outer copper-clad 2 for being coated on 3 surface of aluminium core.
Heretofore described flat low current welding with a thickness of 0.2mm.
Heretofore described tin layers 1 with a thickness of 0.03mm.
Copper content is 10%-60% by volume in heretofore described low current welding.
Following table two is the welding of 0.2mm thickness, wherein copper content physics under experimental situation in the copper clad aluminum of different proportion
The experimental data of performance,
Table two
Specific embodiment two, a kind of low current welding, to be flat, the low current welding includes base and tin layers 1, institute
Stating base includes aluminium core 3 and the outer copper-clad 2 for being coated on 3 surface of aluminium core.
Heretofore described flat low current welding with a thickness of 0.23mm.
Heretofore described tin layers with a thickness of 0.03mm.
Copper content is 10%-60% by volume in heretofore described low current welding.
Following table three is the welding of 0.23mm thickness, wherein copper content physics under experimental situation in the copper clad aluminum of different proportion
The experimental data of performance,
Table three
Specific embodiment three, a kind of low current welding, to be flat, the low current welding includes base and tin layers 1, institute
Stating base includes aluminium core 3 and the outer copper-clad 2 for being coated on 3 surface of aluminium core.
Heretofore described flat low current welding with a thickness of 0.25mm.
Heretofore described tin layers with a thickness of 0.03mm.
Copper content is 10%-60% by volume in heretofore described low current welding.
Following table four is the welding of 0.25mm thickness, wherein copper content physics under experimental situation in the copper clad aluminum of different proportion
The experimental data of performance,
Table four
Specific embodiment four, a kind of low current welding, section are circle, and the low current welding includes base and tin layers
1, the base includes aluminium core 3 and the outer copper-clad 2 for being coated on 3 surface of aluminium core.
Heretofore described section is that the diameter of circular low current welding is 0.3mm.
Heretofore described tin layers with a thickness of 0.03mm.
Copper content is 10%-60% by volume in heretofore described low current welding.
Following table five is the welding of 0.3mm diameter, wherein copper content physics under experimental situation in the copper clad aluminum of different proportion
The experimental data of performance,
Table five
Specific embodiment five, a kind of low current welding, section are circle, and the low current welding includes base and tin layers
1, the base includes aluminium core 3 and the outer copper-clad 2 for being coated on 3 surface of aluminium core.
Heretofore described section is that the diameter of circular low current welding is 0.35mm.
Heretofore described tin layers with a thickness of 0.03mm.
Copper content is 10%-60% by volume in heretofore described low current welding.
Following table six is the welding of 0.35mm diameter, wherein copper content physics under experimental situation in the copper clad aluminum of different proportion
The experimental data of performance,
Table six
Specific embodiment six, a kind of low current welding, section are circle, and the low current welding includes base and tin layers
1, the base includes aluminium core 3 and the outer copper-clad 2 for being coated on 3 surface of aluminium core.
Heretofore described section is that the diameter of circular low current welding is 0.4mm.
Heretofore described tin layers with a thickness of 0.03mm.
Copper content is 10%-60% by volume in heretofore described low current welding.
Following table seven is the welding of 0.4mm diameter, wherein copper content physics under experimental situation in the copper clad aluminum of different proportion
The experimental data of performance,
Table seven
It can be seen that using copper-clad aluminum alloy substitution fine copper by above-mentioned specific embodiment as the low current weldering in photovoltaic industry
Band, cost are greatly reduced, and preparation is simple, and its conductivity, tensile strength, and elongation percentage decline under experimental situation to be lacked, can
Within the scope of, manufactured welding weight is small, and high-volume transports convenient in carrying, greatly reduces entreprise cost.
It should be noted that the tin layers in above-described embodiment are 0.03mm, it is not using tin layers as the reason of variable,
Relatively thin tin layers influence the physical property of whole welding smaller
Low current welding shell in the present invention is prepared using following two method, and method one, steps are as follows:
Step 1: copper strips is coated on aluminium core surface；
Step 2: by being welded by the way of argon arc welding at the docking of copper strips；
Step 3: the semi-finished product in step 2 are formed base by wire drawing drawing；
Step 4: base's calendering rear surface is tin plating.
Method two, steps are as follows:
Step 1: aluminium core is passed through in the electrolyte with copper ion, make one layer of copper of aluminium core adsorption；
Step 2: the semi-finished product in step 2 are formed base by wire drawing drawing；
Step 3: base's calendering rear surface is tin plating.
Above-mentioned accompanying drawings and embodiments are merely to illustrate the present invention, and any technical field those of ordinary skill does it
Appropriate changes or modifications, all should be regarded as not departing from the invention patent scope.
Claims (6)
1. a kind of low current welding, it is characterised in that: be for flat or section it is round, the low current welding includes base
And tin layers, the base include aluminium core and the outer copper-clad for being coated on aluminium core surface.
2. a kind of low current welding according to claim 1, it is characterised in that: the flat low current welding with a thickness of
0.18mm-0.3mm, the section are that the diameter of circular low current welding is 0.2mm-0.4mm.
3. a kind of low current welding according to claim 1, it is characterised in that: the tin layers with a thickness of 0.03mm-
0.05mm。
4. a kind of low current welding according to claim 1, it is characterised in that: cupric by volume in the low current welding
Amount is 10%-60%.
5. a kind of preparation method of low current welding, it is characterised in that: the following steps are included:
Step 1: copper strips is coated on aluminium core surface；
Step 2: by being welded by the way of argon arc welding at the docking of copper strips；
Step 3: the semi-finished product in step 2 are formed base by wire drawing drawing；
Step 4: base's calendering rear surface is tin plating.
6. a kind of preparation method of low current welding, it is characterised in that: the following steps are included:
Step 1: aluminium core is passed through in the electrolyte with copper ion, make one layer of copper of aluminium core adsorption；
Step 2: the semi-finished product in step 2 are formed base by wire drawing drawing；
Step 3: base's calendering rear surface is tin plating.
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| CN201910153697.9A CN109728118A (en) | 2019-02-28 | 2019-02-28 | A kind of low current welding and preparation method thereof |
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| CN201910153697.9A CN109728118A (en) | 2019-02-28 | 2019-02-28 | A kind of low current welding and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540800A (en) * | 2020-04-30 | 2020-08-14 | 姚思源 | Novel alloy interconnection strip |
| CN112795807A (en) * | 2021-02-26 | 2021-05-14 | 安徽宝德光伏科技有限公司 | Low-cost aluminum substrate photovoltaic solder strip and preparation method thereof |
| CN113013271A (en) * | 2021-02-26 | 2021-06-22 | 安徽宝德光伏科技有限公司 | Composite photovoltaic solder strip and preparation process thereof |
| CN113352019A (en) * | 2021-04-22 | 2021-09-07 | 东方日升新能源股份有限公司 | Manufacturing method of copper-aluminum composite welding strip, copper-aluminum composite welding strip and solar module |
| CN114188430A (en) * | 2021-12-06 | 2022-03-15 | 中节能太阳能科技（镇江）有限公司 | A split type pair welds area for photovoltaic module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159175A (en) * | 2007-09-13 | 2008-04-09 | 吴江精诚电工厂 | Tin-coated copper covering aluminum wire, manufacturing method thereof and tin plating equipment used in production |
| CN102290125A (en) * | 2011-07-13 | 2011-12-21 | 哈尔滨工业大学 | Composite solar photovoltaic confluence welding band and preparation method thereof |
| CN204303376U (en) * | 2014-12-02 | 2015-04-29 | 深圳通发双金属材料有限公司 | Circle copper-clad aluminum alloy tinned wire |
| CN109112591A (en) * | 2018-09-04 | 2019-01-01 | 上海华友金裕微电子有限公司 | A kind of copper-clad aluminium base photovoltaic welding belt |
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2019
- 2019-02-28 CN CN201910153697.9A patent/CN109728118A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159175A (en) * | 2007-09-13 | 2008-04-09 | 吴江精诚电工厂 | Tin-coated copper covering aluminum wire, manufacturing method thereof and tin plating equipment used in production |
| CN102290125A (en) * | 2011-07-13 | 2011-12-21 | 哈尔滨工业大学 | Composite solar photovoltaic confluence welding band and preparation method thereof |
| CN204303376U (en) * | 2014-12-02 | 2015-04-29 | 深圳通发双金属材料有限公司 | Circle copper-clad aluminum alloy tinned wire |
| CN109112591A (en) * | 2018-09-04 | 2019-01-01 | 上海华友金裕微电子有限公司 | A kind of copper-clad aluminium base photovoltaic welding belt |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540800A (en) * | 2020-04-30 | 2020-08-14 | 姚思源 | Novel alloy interconnection strip |
| CN112795807A (en) * | 2021-02-26 | 2021-05-14 | 安徽宝德光伏科技有限公司 | Low-cost aluminum substrate photovoltaic solder strip and preparation method thereof |
| CN113013271A (en) * | 2021-02-26 | 2021-06-22 | 安徽宝德光伏科技有限公司 | Composite photovoltaic solder strip and preparation process thereof |
| CN113352019A (en) * | 2021-04-22 | 2021-09-07 | 东方日升新能源股份有限公司 | Manufacturing method of copper-aluminum composite welding strip, copper-aluminum composite welding strip and solar module |
| CN114188430A (en) * | 2021-12-06 | 2022-03-15 | 中节能太阳能科技（镇江）有限公司 | A split type pair welds area for photovoltaic module |
| CN114188430B (en) * | 2021-12-06 | 2024-01-30 | 中节能太阳能科技（镇江）有限公司 | Split type double-welded belt for photovoltaic module |
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