CN108717952A - A kind of optically focused welding - Google Patents
A kind of optically focused welding Download PDFInfo
- Publication number
- CN108717952A CN108717952A CN201810929255.4A CN201810929255A CN108717952A CN 108717952 A CN108717952 A CN 108717952A CN 201810929255 A CN201810929255 A CN 201810929255A CN 108717952 A CN108717952 A CN 108717952A
- Authority
- CN
- China
- Prior art keywords
- optically focused
- welding
- strip
- focused welding
- form base
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 114
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 17
- 239000003518 caustics Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 5
- 230000011218 segmentation Effects 0.000 description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000758 substrate Substances 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
- H01L31/0508—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
- H01L31/04—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
-
- 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
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- 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
- Y02E10/52—PV systems with concentrators
Abstract
The invention discloses a kind of optically focused welding, the optically focused welding includes：Strip-form base, the strip-form base are divided into multiple first parts and multiple second parts；On the extending direction along the strip-form base, the first part and the second part are intervally arranged successively；The strip-form base includes the first surface and second surface being oppositely arranged；Wherein, the first surface for being located at the first part is plane, and the second surface for being located at the first part is arc surface, is plane positioned at the first surface of the second part and the second surface.The optically focused welding will be set as plane positioned at the first surface of the first part, the second surface positioned at the first part is set as arc surface, reflecting effect of the optically focused welding to light can be improved, the first surface of second part and the second surface are disposed as plane, the welding stability between optically focused welding and solar panel can be improved.
Description
Technical field
The present invention relates to photovoltaic industry technical fields, more specifically more particularly to a kind of optically focused welding.
Background technology
With the continuous development of science and technology, solar energy as regenerative resource and its has the advantages that spatter property, photovoltaic
The technology of industry is rapidly developed.
Welding occupies an important position in photovoltaic industry, and the connection being applied between photovoltaic module cell piece is played and led
The effect of voltolisation electricity.
Conventional welding carries out the illumination of cell piece main gate line part since the width of welding and welding face are plane
It is a degree of to block, and can not utilize again, and optically focused welding solves conventional welding due to the reflecting effect of caustic surface
Problem of Shading, and improve the transfer efficiency of photovoltaic module.
The effect of optically focused welding is that the sunlight by direct projection on welding is reflected by caustic surface, and reflected light passes through group
The secondary reflection of part glass is incident on cell piece again, and the demand with efficient component in industry gradually increases, concentrating component
Application it is also increasingly wider.
The optically focused welding in industry is full section optically focused welding or segmentation optically focused welding at present, and caustic surface is sawtooth
Shape, such as straight line lines or oblique line lines or optically focused welding are circular spotlight welding.
But current optically focused welding there is a problem of being also easy to produce rosin joint with welding of battery film and causing pulling force deficiency, with
And the inefficient problem of secondary use of sunlight, also welding are easy to happen asking for offset during with welding of battery film
Topic etc..
Invention content
To solve the above problems, the present invention provides a kind of optically focused welding, the spotlight effect of the optically focused welding preferably and with
The welding of cell piece is more stablized.
To achieve the above object, the present invention provides the following technical solutions：
A kind of optically focused welding, the optically focused welding include：
Strip-form base, the strip-form base are divided into multiple first parts and multiple second parts；Along the bar shaped base
On the extending direction at bottom, the first part and the second part are intervally arranged successively；
The strip-form base includes the first surface and second surface being oppositely arranged；
Wherein, the first surface for being located at the first part is plane, is located at described the second of the first part
Surface is arc surface, is plane positioned at the first surface of the second part and the second surface.
Preferably, in above-mentioned optically focused welding, the optically focused welding further includes：Surround and cover the tin of the strip-form base
Layer.
Preferably, in above-mentioned optically focused welding, the thickness range for being located at the tin layers of the first surface is 12um-
15um, including endpoint value.
Preferably, in above-mentioned optically focused welding, the thickness range for being located at the tin layers of the second surface is 2um-
5um, including endpoint value.
Preferably, in above-mentioned optically focused welding, on the extending direction along the strip-form base, multiple first parts
Length it is identical.
Preferably, in above-mentioned optically focused welding, on the extending direction along the strip-form base, multiple second parts
Length it is identical.
Preferably, in above-mentioned optically focused welding, the material of the strip-form base is copper metal material.
By foregoing description it is found that a kind of optically focused welding provided by the invention, the optically focused welding include：Strip-form base,
The strip-form base is divided into multiple first parts and multiple second parts；On the extending direction along the strip-form base, institute
It states first part and the second part is intervally arranged successively；The strip-form base includes the first surface being oppositely arranged and second
Surface；Wherein, the first surface for being located at the first part is plane, is located at the second surface of the first part
It is plane positioned at the first surface of the second part and the second surface for arc surface.
The optically focused welding will be set as plane positioned at the first surface of the first part, be located at the first part
The second surface be set as arc surface, reflecting effect of the optically focused welding to light can be improved, by described the of second part
One surface and the second surface are disposed as plane, can improve the welding stability between optically focused welding and solar panel.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
A kind of Fig. 1 structural schematic diagrams of full section optically focused welding in the prior art；
Fig. 2 is the structural schematic diagram of another full section optically focused welding in the prior art；
Fig. 3 is a kind of knot of the full section optically focused welding and welding of battery film of straight line grain groove provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 4 is a kind of structural schematic diagram of segmentation optically focused welding in the prior art；
Fig. 5 is a kind of structural schematic diagram of cylindrical optically focused welding and welding of battery film in the prior art；
Fig. 6 is a kind of overlooking structure diagram of optically focused welding provided in an embodiment of the present invention；
Fig. 7 is a kind of schematic cross-section of optically focused welding provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of optically focused welding and welding of battery film provided in an embodiment of the present invention；
Fig. 9 is a kind of reflection schematic diagram of the optically focused welding provided in an embodiment of the present invention to light；
Figure 10 is a kind of structural schematic diagram of optically focused welding and more main grid welding of battery film provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are 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.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
With reference to figure 1, a kind of Fig. 1 structural schematic diagrams of full section optically focused welding in the prior art, the entire optically focused welding 11
It is all caustic surface on one side, caustic surface is straight line grain groove, and with reference to figure 2, Fig. 2 is another full section optically focused welding in the prior art
Structural schematic diagram, which is all caustic surface on one side, and caustic surface is oblique line grain groove, both optically focused
Welding is known as full section optically focused welding.
For full section optically focused welding, with reference to figure 3, Fig. 3 is a kind of straight line grain groove provided in an embodiment of the present invention
Full section optically focused welding and welding of battery film structural schematic diagram, caustic surface is all due to welding on one side, cause with battery
When piece 31 welds, caustic surface will be welded with 31 back side silver paste part of cell piece, but since caustic surface is serrated face, be caused
Weld the seamed edge that contact surface is serrated face, it is clear that welding pulling force can be caused insufficient, the problem of stability difference.
Based on this, full section optically focused welding is optimized for segmentation optically focused welding by technical staff, and with reference to figure 4, Fig. 4 is the prior art
A kind of structural schematic diagram of middle segmentation optically focused welding, the conventional section of segmentation optically focused welding 41 is plane, without zigzag, with
The cell piece back side is welded, and the problem with cell piece 31 welding stability difference is avoided, still, when applied to more main grid batteries
When piece, due to the width very little of optically focused welding, the zigzag technique of caustic surface is caused to be difficult, and reduced to the reflecting effect of light.
For more main grid cell pieces, with reference to figure 5, Fig. 5 is a kind of cylindrical optically focused welding and battery in the prior art
Piece welded structure schematic diagram, for technical staff using cylindrical optically focused welding 51, welding diameter is smaller, can meet mostly main
Grid cell piece.But cylindrical optically focused welding 51 easily shifts to cause to weld when welding with cell piece 31 and show money or valuables one carries unintentionally, and
Cylindrical optically focused welding 51 and the contact surface that cell piece 31 welds are smaller, still there is a problem of welding stability difference.
Based on the above issues, the present invention provides a kind of optically focused weldings, while solving above-mentioned whole issue, concrete structure
It is as follows.
With reference to figure 6 and Fig. 7, Fig. 6 is a kind of overlooking structure diagram of optically focused welding provided in an embodiment of the present invention, Fig. 7
For a kind of schematic cross-section of optically focused welding provided in an embodiment of the present invention.
The optically focused welding 51 includes：
Strip-form base, the strip-form base are divided into multiple first parts 52 and multiple second parts 53；Along the item
On the extending direction of shape substrate, the first part 52 and the second part 53 are intervally arranged successively；
The strip-form base includes the first surface and second surface being oppositely arranged；
Wherein, the first surface for being located at the first part 52 is plane, is located at the described of the first part 52
Second surface is arc surface, is plane positioned at the first surface of the second part 53 and the second surface.
The optically focused welding further includes：Surround and cover the tin layers of the strip-form base.
Optionally, the material of the strip-form base is copper metal material.
Specifically, the first part 52 is the optically focused section of the optically focused welding, the second part 53 is the optically focused
The conventional section of welding
First, with reference to figure 8, Fig. 8 is that the structure of a kind of optically focused welding and welding of battery film provided in an embodiment of the present invention is shown
It is intended to, the welding contact surface of the optically focused welding and cell piece 31 is plane, can be with the raising of high degree and cell piece 31
Welding stability.
Also, with reference to figure 9, Fig. 9 is a kind of optically focused welding provided in an embodiment of the present invention to the reflection schematic diagram of light, is passed through
Set a surface of optically focused section to arc surface, the caustic surface reflection effect zigzag to the reflectivity of sunlight of the arc surface
Fruit is more obvious, under identical device and identical technique, the efficiency gain bigger of photovoltaic module.
Secondly, with reference to figure 10, Figure 10 is a kind of optically focused welding provided in an embodiment of the present invention and more main grid welding of battery film
Structural schematic diagram, which can be made small in the case where that can improve light reflection effect by its width, with full
The more main grid cell pieces of foot, also, the optically focused welding is compared with cylindrical optically focused welding, and it is steady with the welding of more main grid cell pieces
It is qualitative very high, it is avoided in welding equipment high speed traction because of welding deviates the showing money or valuables one carries unintentionally of occurring and rosin joint the problems such as.
Further, the thickness range for being located at the tin layers of the first surface is 12um-15um, including endpoint value,
Such as the thickness of the tin layers is 13um or 14um.
Further, the thickness range for being located at the tin layers of the second surface is 2um-5um, including endpoint value, example
If the thickness of the tin layers is 3um or 4um.
Specifically, the welding that can further increase optically focused welding and cell piece by the way that the thickness of more excellent tin layers is arranged is stablized
Property.
Further, on the extending direction along the strip-form base, the length of multiple first parts is identical.
Further, on the extending direction along the strip-form base, the length of multiple second parts is identical.
Specifically, the length of the first part and the specific length of the second part need the length according to cell piece
Depending on, in embodiments of the present invention and it is not construed as limiting.
Further, in the interface point of the first part and the second part, can by the length of first part and
The extended length preset length of second part, such as 1mm-10mm, for being completed to each section of cutting in welding cutting process
Welding carry out error compensation.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (7)
1. a kind of optically focused welding, which is characterized in that the optically focused welding includes：
Strip-form base, the strip-form base are divided into multiple first parts and multiple second parts；Along the strip-form base
On extending direction, the first part and the second part are intervally arranged successively；
The strip-form base includes the first surface and second surface being oppositely arranged；
Wherein, the first surface for being located at the first part is plane, is located at the second surface of the first part
It is plane positioned at the first surface of the second part and the second surface for arc surface.
2. optically focused welding according to claim 1, which is characterized in that the optically focused welding further includes：It surrounds and covers institute
State the tin layers of strip-form base.
3. optically focused welding according to claim 2, which is characterized in that be located at the thickness of the tin layers of the first surface
Ranging from 12um-15um, including endpoint value.
4. optically focused welding according to claim 2, which is characterized in that be located at the thickness of the tin layers of the second surface
Ranging from 2um-5um, including endpoint value.
5. optically focused welding according to claim 1, which is characterized in that more on the extending direction along the strip-form base
The length of a first part is identical.
6. optically focused welding according to claim 1, which is characterized in that more on the extending direction along the strip-form base
The length of a second part is identical.
7. optically focused welding according to claim 1, which is characterized in that the material of the strip-form base is copper metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929255.4A CN108717952A (en) | 2018-08-15 | 2018-08-15 | A kind of optically focused welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929255.4A CN108717952A (en) | 2018-08-15 | 2018-08-15 | A kind of optically focused welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108717952A true CN108717952A (en) | 2018-10-30 |
Family
ID=63913980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810929255.4A Pending CN108717952A (en) | 2018-08-15 | 2018-08-15 | A kind of optically focused welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108717952A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576767A (en) * | 2015-01-27 | 2015-04-29 | 苏州阿特斯阳光电力科技有限公司 | Solder strip for solar cell module |
| CN105185857A (en) * | 2015-09-11 | 2015-12-23 | 刘畅 | Photovoltaic solar cell assembly welding band |
| CN106449836A (en) * | 2016-12-21 | 2017-02-22 | 常州天合光能有限公司 | Segmented slightly light-concentrating welding belt and preparation thereof |
-
2018
- 2018-08-15 CN CN201810929255.4A patent/CN108717952A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576767A (en) * | 2015-01-27 | 2015-04-29 | 苏州阿特斯阳光电力科技有限公司 | Solder strip for solar cell module |
| CN105185857A (en) * | 2015-09-11 | 2015-12-23 | 刘畅 | Photovoltaic solar cell assembly welding band |
| CN106449836A (en) * | 2016-12-21 | 2017-02-22 | 常州天合光能有限公司 | Segmented slightly light-concentrating welding belt and preparation thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181030 |
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