CN104505415A - Copper-aluminum composite type photovoltaic welding strip for solar cell - Google Patents
Copper-aluminum composite type photovoltaic welding strip for solar cell Download PDFInfo
- Publication number
- CN104505415A CN104505415A CN201410819305.5A CN201410819305A CN104505415A CN 104505415 A CN104505415 A CN 104505415A CN 201410819305 A CN201410819305 A CN 201410819305A CN 104505415 A CN104505415 A CN 104505415A
- Authority
- CN
- China
- Prior art keywords
- layer
- copper
- solar cell
- strip
- hole
- 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 22
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000010949 copper Substances 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 abstract description 4
- 238000005476 soldering Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013083 solar photovoltaic technology Methods 0.000 description 1
- 230000009466 transformation Effects 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
- H01L31/04—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
- H01L31/0512—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 made of a particular material or composition of materials
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
Abstract
The invention relates to a copper-aluminum composite type photovoltaic welding strip for a solar cell. The copper-aluminum composite type photovoltaic welding strip for the solar cell comprises a strip body which extends longitudinally, wherein the strip body comprises a copper strip layer, an aluminum strip layer and a tinning layer; one surface of the copper strip layer is coated with the tinning layer, and the other surface of the copper strip layer is tightly attached to the aluminum strip layer. According to the technical scheme provided by the invention, multiple advantages are realized; by the introduction of the aluminum strip layer, the conductive area can be increased, and the cost can be reduced; a longitudinal through hole of the copper strip layer, a transverse through hole of the aluminum strip layer and an overlapped part are filled with soldering tin, so that the copper strip layer and the aluminum strip layer can be well connected and fixed, and can be composited in a tinning process.
Description
Technical field
The present invention relates to a kind of welder used for solar batteries, relate to a kind of invention of copper-aluminum composite solar cell photovoltaic welding aspect or rather.
Background technology
Photovoltaic welding belt is the welder be used on photovoltaic module, mainly plays the effect connecting conduction.The critical technical parameter of welding device comprises solderability, tensile strength, elongation, resistivity.Welding device conventional is at present the copper strip surface at a kind of high-elongation, high tensile, high connductivity, and the method being coated with tin by heat is prepared from.Along with the raising of solar panel transformation efficiency, increasing by the electric current of welding inside, therefore just require that the conductive area of welding constantly increases, but along with the increase of welding thickness, cost also can increase, therefore the welding proposing a kind of low cost, high connductivity area is needed, to solve the problem in current solar-photovoltaic technology field.
As can be seen here, above-mentioned existing welding device still has many defects, needs to be improved.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcomes the defect that existing welding device exists, and provides a kind of copper-aluminum composite solar cell photovoltaic welding.
The present invention solves its technical problem underlying and realizes by the following technical solutions.According to the copper-aluminum composite solar cell photovoltaic welding that the present invention proposes, comprise the belt body of longitudinal extension, belt body comprises copper strips layer, aluminium strip layer and tinning layer, and a surface-coated tinning layer of copper strips layer, aluminium strip layer is close on another surface of copper strips layer.
Better, above-mentioned copper strips layer has the longitudinal hole of a series of strip, the direction that longitudinal hole extends is parallel to belt body direction, aluminium strip layer has the cross through hole of a series of strip, the direction that cross through hole extends is perpendicular to belt body direction, the longitudinal hole of copper strips layer and the cross through hole of aluminium strip layer have overlapping part, and the longitudinal hole of copper strips layer, the cross through hole of aluminium strip layer and overlapping part fill scolding tin.
Better, the thickness of above-mentioned copper strips layer is 20 microns to 350 microns.
Better, the thickness of above-mentioned aluminium strip layer is 20 microns to 350 microns.
Better, the thickness of above-mentioned tinning layer is 10 microns to 50 microns.
The present invention compared with prior art has obvious advantage and beneficial effect.From above technical scheme, the present invention is owing to adopting technique scheme, the introducing of aluminium strip layer can increase conductive area, and can reduce costs, the longitudinal hole of copper strips layer, the cross through hole of aluminium strip layer and overlapping part fill scolding tin, copper strips layer and aluminium strip layer can be connected and fixed well like this, be coated with the compound that just can complete copper strips layer and aluminium strip layer in tin process.
Above-mentioned explanation is only the general introduction of technical solution of the present invention feature part, technological means of the present invention is better understood for enabling professional and technical personnel, and can be implemented according to the content of specification, coordinate accompanying drawing to be described in detail as follows with preferred embodiment of the present invention below.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is the perspective diagram of embodiments of the invention.
Fig. 2 is the cross sectional representation of dotted line AB position in Fig. 1.
Fig. 3 is the cross sectional representation of dotted line CD position in Fig. 1.
Fig. 4 is the cross sectional representation of dotted line EF position in Fig. 1.
Description of symbols in figure: 1, copper strips layer; 2, aluminium strip layer; 3, tinning layer; 4, cross through hole; 5, longitudinal hole; 6, belt body.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its embodiment proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
Refer to shown in Fig. 1 to Fig. 4, copper-aluminum composite solar cell photovoltaic welding of the present invention, comprises the belt body 6 of longitudinal extension, and belt body 6 comprises copper strips layer 1, aluminium strip layer 2 and tinning layer 3, a surface-coated tinning layer 3 of copper strips layer 1, aluminium strip layer 2 is close on another surface of copper strips layer 1.
Copper strips layer 1 has the longitudinal hole 5 of a series of strip, the direction that longitudinal hole 5 extends is parallel to belt body 6 direction, aluminium strip layer 2 has the cross through hole 4 of a series of strip, the direction that cross through hole 4 extends is perpendicular to belt body 6 direction, the longitudinal hole 5 of copper strips layer 1 and the cross through hole 4 of aluminium strip layer 2 have overlapping part, and the longitudinal hole 5 of copper strips layer 1, the cross through hole 4 of aluminium strip layer 2 and overlapping part fill scolding tin.The thickness of copper strips layer 1 is 20 microns to 350 microns.The thickness of aluminium strip layer 2 is 20 microns to 350 microns.The thickness of tinning layer 3 is 10 microns to 50 microns.
Above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. copper-aluminum composite solar cell photovoltaic welding, comprise the belt body of longitudinal extension, it is characterized in that: described belt body comprises copper strips layer, aluminium strip layer and tinning layer, a surface-coated tinning layer of described copper strips layer, aluminium strip layer is close on another surface of described copper strips layer.
2. copper-aluminum composite solar cell photovoltaic welding according to claim 1, it is characterized in that: described copper strips layer has the longitudinal hole of a series of strip, the direction that described longitudinal hole extends is parallel to belt body direction, described aluminium strip layer has the cross through hole of a series of strip, the direction that described cross through hole extends is perpendicular to belt body direction, the longitudinal hole of described copper strips layer and the cross through hole of aluminium strip layer have overlapping part, and the longitudinal hole of described copper strips layer, the cross through hole of aluminium strip layer and overlapping part fill scolding tin.
3. copper-aluminum composite solar cell photovoltaic welding according to claim 1, is characterized in that: the thickness of described copper strips layer is 20 microns to 350 microns.
4. copper-aluminum composite solar cell photovoltaic welding according to claim 1, is characterized in that: the thickness of described aluminium strip layer is 20 microns to 350 microns.
5. copper-aluminum composite solar cell photovoltaic welding according to claim 1, is characterized in that: the thickness of described tinning layer is 10 microns to 50 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819305.5A CN104505415B (en) | 2014-12-25 | 2014-12-25 | Copper-aluminum composite solar cell photovoltaic welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819305.5A CN104505415B (en) | 2014-12-25 | 2014-12-25 | Copper-aluminum composite solar cell photovoltaic welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104505415A true CN104505415A (en) | 2015-04-08 |
| CN104505415B CN104505415B (en) | 2016-06-01 |
Family
ID=52947151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410819305.5A Active CN104505415B (en) | 2014-12-25 | 2014-12-25 | Copper-aluminum composite solar cell photovoltaic welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104505415B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544144A (en) * | 2011-12-31 | 2012-07-04 | 常州天合光能有限公司 | Solar module welding strip |
| CN204088343U (en) * | 2014-09-27 | 2015-01-07 | 艾震武 | Composite solar battery photovoltaic welding belt device |
| CN204271108U (en) * | 2014-12-25 | 2015-04-15 | 深圳市华光达科技有限公司 | Copper-aluminum composite solar cell photovoltaic welding |
-
2014
- 2014-12-25 CN CN201410819305.5A patent/CN104505415B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544144A (en) * | 2011-12-31 | 2012-07-04 | 常州天合光能有限公司 | Solar module welding strip |
| CN204088343U (en) * | 2014-09-27 | 2015-01-07 | 艾震武 | Composite solar battery photovoltaic welding belt device |
| CN204271108U (en) * | 2014-12-25 | 2015-04-15 | 深圳市华光达科技有限公司 | Copper-aluminum composite solar cell photovoltaic welding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104505415B (en) | 2016-06-01 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wei Lei Inventor after: Wei Guangyan Inventor after: Hu Yongfeng Inventor after: Guo Xiqing Inventor after: Luo Funeng Inventor after: Wei Wei Inventor after: Feng Yubo Inventor after: Zhang Zhihong Inventor after: Wu Di Inventor before: Wei Lei |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160506 Address after: 518106 Guangdong province Shenzhen Guangming New District Office of Gongming Tong Mei community first industrial zone B building 6, 7 floor Applicant after: Shenzhen Huaguangda Technology Co., Ltd. Address before: 518054 Guangdong city of Shenzhen province Nanshan District Fu Court building 608 room 4 Applicant before: Wei Lei |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |