CN207834324U - Photovoltaic reflective solder strip - Google Patents
Photovoltaic reflective solder strip Download PDFInfo
- Publication number
- CN207834324U CN207834324U CN201820235093.XU CN201820235093U CN207834324U CN 207834324 U CN207834324 U CN 207834324U CN 201820235093 U CN201820235093 U CN 201820235093U CN 207834324 U CN207834324 U CN 207834324U
- Authority
- CN
- China
- Prior art keywords
- section
- coating
- solder strip
- reflective solder
- embossed
- 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.)
- Expired - Fee Related
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Classifications
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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 utility model discloses a kind of photovoltaic reflective solder strips, the upper surface of the welding includes the embossed section being arranged at equal intervals and upper smooth section, the lower surface of the welding includes the thick smooth section being arranged at equal intervals and thin smooth section, and the embossed section is oppositely arranged with the thick smooth section, the equally spaced length is arranged according to welding of battery film length.The utility model ensure that reflecting effect, improve the utilization rate of light, and can reduce cost.
Description
Technical field
The utility model is related to a kind of welding, especially a kind of photovoltaic reflective solder strip.
Background technology
Currently there are reflective solder strip product, superstructure makes embossing shape, and smooth shape is made by lower layer, such
Although welding can also improve component output power, itself has a disadvantage that：
(1) welding one side is embossed, and another side is smooth, and face is embossed when with cell back electrode welding and is in contact with it, because of pressure
Floral structure causes welding contact area small, influences to weld pulling force, and then influence soldering reliability；
(2) welding coating processing technology is single, to ensure that welding causes thickness partially thick, while coating layer thickness adjustment space
Smaller, power gain effect is limited after being applied to component package, and cost is high.
(3) patterned structure is usually concaveconvex structure or linear type, reduces welding bulk strength.
Utility model content
The purpose of this utility model is to provide a kind of photovoltaic reflective solder strip, with solve in the prior art the technical issues of, it
It ensure that reflecting effect, improve the utilization rate of light, and cost can be reduced.
Realize above-mentioned purpose, the utility model proposes the following technical solutions：
A kind of photovoltaic reflective solder strip, the upper surface of the welding include the embossed section being arranged at equal intervals and upper smooth section, institute
The lower surface for stating welding includes the thick smooth section being arranged at equal intervals and thin smooth section, and the embossed section and the thick smooth section phase
To setting, the equally spaced length is arranged according to welding of battery film length.
Photovoltaic reflective solder strip above-mentioned, it is preferable that the welding includes the metal-based layer of centre and is respectively overlay in described
The upper coating on metal-based layer two sides and lower coating；
The upper surface of the metal-based layer is equipped with embossing pattern；
The embossed section and the upper smooth section are formed in the upper coating, the thickness smooth section and the thin smooth section shape
Lower coating described in Cheng Yu.
Photovoltaic reflective solder strip above-mentioned, it is preferable that the embossed shape of the embossed section is zigzag, arc, V-arrangement or twill
Shape.
Photovoltaic reflective solder strip above-mentioned, it is preferable that the depth of the embossed section is 0.01mm-0.4mm.
Photovoltaic reflective solder strip above-mentioned, it is preferable that the metal-based layer is copper-based, and the upper coating and the lower coating are
Tin-lead coating.
Photovoltaic reflective solder strip above-mentioned, it is preferable that the thickness of the upper coating and the lower coating is adjustable, and thickness in monolayer is
0.003mm-0.04mm。
Photovoltaic reflective solder strip above-mentioned, it is preferable that in the upper coating, the coating layer thickness of the embossed section is 0.003mm-
The coating layer thickness of 0.025mm, the upper smooth section are 0.01mm-0.025mmm.
Photovoltaic reflective solder strip above-mentioned, it is preferable that the coating layer thickness of the thickness smooth section is 0.01mm-0.025mmm；Institute
The coating layer thickness for stating thin smooth section is 0.003mm-0.025mm.
Compared with prior art, segmentation embossed designs are realized in photovoltaic reflective solder strip provided by the utility model, upper surface,
Cell piece front is welded with welding embossed section, and the electrode of cell piece is welded with upper smooth section, and the design of embossed section is ensureing
On the basis of the bulk strength of welding so that the light being radiated on welding is reflected on cell piece, improves light utilization
Rate；Lower surface segmentation simultaneously is thinned, and has the characteristics that at low cost, soldering reliability is high, gain effect is apparent, thus more market
Competitiveness.Description of the drawings
Fig. 1 is the structural schematic diagram of photovoltaic reflective solder strip provided by the utility model；
Fig. 2 is the twill patterned structure of embossed section；
Fig. 3 is the welding schematic diagram of photovoltaic reflective solder strip provided by the utility model and cell piece：
Fig. 4 is the welding schematic diagram of traditional reflective solder strip and cell piece.
Specific implementation mode
The utility model provides a kind of photovoltaic reflective solder strip, is further described With reference to embodiment：
A kind of photovoltaic reflective solder strip, as shown in Figure 1, the upper surface of the welding 100 includes the embossed section being arranged at equal intervals
21 and upper smooth section 22, the lower surface of the welding include the thick smooth section 31 being arranged at equal intervals and thin smooth section 32, and it is described
Embossed section 21 is oppositely arranged with the thick smooth section 31, and the equally spaced length is arranged according to welding of battery film length.
Segmentation embossed designs are realized in photovoltaic reflective solder strip provided by the utility model, upper surface, as shown in figure 3, incite somebody to action this
The photovoltaic reflective solder strip 100 that utility model provides is welded with cell piece 200,200 front of cell piece and 100 embossed section of welding
21 welding, and the electrode of cell piece 200 is welded with upper smooth section 22, and the design of embossed section 21 is in the ontology for ensureing welding 100
On the basis of intensity so that the light being radiated on welding 100 is reflected on cell piece, improves light utilization, simultaneously
Lower surface segmentation is thinned, and has the characteristics that at low cost, soldering reliability is high, gain effect is apparent, thus the more market competitiveness.
In a kind of specifically embodiment, the welding 100 includes the metal-based layer 1 of centre and is respectively overlay in described
The upper coating 2 on 1 two sides of metal-based layer and lower coating 3；The upper surface of the metal-based layer 1 is equipped with embossing pattern；The embossed section
21 and the upper smooth section 22 be formed in the upper coating 2, the thickness smooth section 31 and the thin smooth section 32 are formed in described
Lower coating 3.Welding 100 is three-decker, and centre is metal-based layer 1, ensure that the bulk strength of welding 100；And in Metal Substrate
Coating 2 and lower coating 3 is respectively set in the two sides of layer 1, can be played a certain protective role to intermediate metal-based layer 1, also
Smooth and reduction processing is carried out to welding 100 using coating so that the light being radiated on photovoltaic welding belt is reflected to battery
On piece improves light utilization.
Specifically, as shown in Fig. 2, the embossed shape of the embossed section 21 is zigzag, arc, V-arrangement or twill shape.Setting
Embossed section 21 is to improve light utilization to improve the reflecting effect of light.So the more larger saw of preferable reflective surface area
Tooth form.
More specifically, the depth of the embossed section 21 is 0.01mm-0.4mm.The depth of embossed section 21 will have a direct impact on pressure
The reflecting effect and light utilization of flower section 21, also directly affect the bulk strength of welding 100, thus cannot it is too shallow can not be too
It is deep, it is preferably 0.01mm-0.4mm.
In a kind of specifically embodiment, the metal-based layer 1 is copper-based, and the upper coating 2 and the lower coating 3 are
Tin-lead coating.The electric conductivity of copper is preferable, and quality is softer, and craftsmanship is good；The etch resistant properties of tin-lead coating are preferable, applied
In surface, not only there is protectiveness, but also with dicoration.
Specifically, the thickness of the upper coating 2 and the lower coating 3 is adjustable, thickness in monolayer 0.003mm-0.04mm.It will
Figure layer thickness is arranged to adjustable, then the reflecting effect of welding 100 and light utilization can also be adjusted, best to obtain
The welding of performance.
Wherein, in the upper coating 2, the coating layer thickness of the embossed section 21 is 0.003mm-0.025mm, described smooth
The coating layer thickness of section 22 is 0.01mm-0.025mmm.The coating layer thickness of the thickness smooth section 31 is 0.01mm-0.025mmm；Institute
The coating layer thickness for stating thin smooth section 32 is 0.003mm-0.025mm.Refinement adjustment is carried out to each section of coating layer thickness, makes welding
100 reflecting effect and light utilization reaches best.
In one embodiment, it is arranged with upper surface embossed section provided by the utility model and smooth section interval, and under
The spaced photovoltaic reflective solder strip of surface different-thickness, is welded with cell piece respectively with traditional reflective solder strip, such as Fig. 3 and
Shown in Fig. 4, comparing result is as follows：
It should be noted that above-mentioned case study on implementation illustrates rather than the utility model and limits the utility model
System, and those skilled in the art can design alternative embodiment without departing from the scope of the appended claims,
After having read the utility model, those skilled in the art fall within this Shen to the modification of the various equivalent forms of the utility model
Range that please be as defined in the appended claims.
Claims (8)
1. a kind of photovoltaic reflective solder strip, it is characterised in that：The upper surface of the welding (100) includes the embossed section being arranged at equal intervals
(21) and upper smooth section (22), the lower surface of the welding (100) include that the thick smooth section (31) being arranged at equal intervals and Boping are slided
Section (32), and the embossed section (21) is oppositely arranged with the thick smooth section (31), the equally spaced length is according to cell piece
Weld length is arranged.
2. photovoltaic reflective solder strip according to claim 1, it is characterised in that：The welding (100) includes the metal of centre
Base (1) and the upper coating (2) and lower coating (3) for being respectively overlay in the metal-based layer (1) two sides；
The upper surface of the metal-based layer (1) is equipped with embossing pattern；
The embossed section (21) and the upper smooth section (22) are formed in the upper coating (2), the thickness smooth section (31) and institute
It states thin smooth section (32) and is formed in the lower coating (3).
3. photovoltaic reflective solder strip according to claim 1, it is characterised in that：The embossed shape of the embossed section (21) is saw
Tooth form, arc, V-arrangement or twill shape.
4. photovoltaic reflective solder strip according to claim 1, it is characterised in that：The depth of the embossed section (21) is
0.01mm-0.4mm。
5. photovoltaic reflective solder strip according to claim 2, it is characterised in that：The metal-based layer (1) be it is copper-based, it is described on
Coating (2) and the lower coating (3) are tin-lead coating.
6. photovoltaic reflective solder strip according to claim 2, it is characterised in that：The upper coating (2) and the lower coating (3)
Thickness it is adjustable, thickness in monolayer 0.003mm-0.04mm.
7. photovoltaic reflective solder strip according to claim 2, it is characterised in that：In the upper coating (2), the embossed section
(21) coating layer thickness is 0.003mm-0.025mm, and the coating layer thickness of the upper smooth section (22) is 0.01mm-0.025mmm.
8. photovoltaic reflective solder strip according to claim 2, it is characterised in that：It is described thickness smooth section (31) coating layer thickness be
0.01mm-0.025mmm；The coating layer thickness of the thin smooth section (32) is 0.003mm-0.025mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820235093.XU CN207834324U (en) | 2018-02-09 | 2018-02-09 | Photovoltaic reflective solder strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820235093.XU CN207834324U (en) | 2018-02-09 | 2018-02-09 | Photovoltaic reflective solder strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834324U true CN207834324U (en) | 2018-09-07 |
Family
ID=63398000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820235093.XU Expired - Fee Related CN207834324U (en) | 2018-02-09 | 2018-02-09 | Photovoltaic reflective solder strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207834324U (en) |
-
2018
- 2018-02-09 CN CN201820235093.XU patent/CN207834324U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20220209 |