CN212695163U - Cell piece subassembly increase structure - Google Patents
Cell piece subassembly increase structure Download PDFInfo
- Publication number
- CN212695163U CN212695163U CN202021249285.XU CN202021249285U CN212695163U CN 212695163 U CN212695163 U CN 212695163U CN 202021249285 U CN202021249285 U CN 202021249285U CN 212695163 U CN212695163 U CN 212695163U
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- CN
- China
- Prior art keywords
- eva
- substrate
- interconnection strip
- battery
- tooth
- 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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- 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
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- Photovoltaic Devices (AREA)
Abstract
A cell slice assembly synergy structure comprises a cell panel, wherein the cell panel is formed by arranging toughened glass, EVA (ethylene vinyl acetate), cell slices, EVA (ethylene vinyl acetate), and a back panel in a laminated sequence from bottom to top, the cell slices consist of two groups of cell slices formed by oppositely cutting along the back electrode of the cell slices, the EVA is white EVA, the two groups of cell slices are connected in series through an interconnection strip, a reflective film arranged along the length direction of the interconnection strip is pasted on the top surface of the interconnection strip, the reflective film comprises a substrate, a reflective layer positioned on the top surface of the substrate and a back adhesive layer positioned on the bottom surface of the substrate, the bottom surface of the substrate is provided with a tooth surface arranged along the width direction of the interconnection strip, the tooth surface covers the bottom surface of the substrate, the tooth surface is pasted on the top surface of the interconnection strip through the back adhesive layer, the white EVA and the reflective film enable the light energy lost by the interconnection strip to be reused, so as to improve the light, the bottom surface of the reflective film is a transverse tooth surface, so that the reflective film can be conveniently peeled off to increase the bonding strength.
Description
Technical Field
The utility model relates to a battery piece subassembly increase structure belongs to solar cell and makes technical field.
Background
The solar energy is a clean and environment-friendly renewable novel energy source, has the advantages of sufficient resources, safety, cleanness, wide distribution, reliable technology and the like, and has great development prospect; can effectively promote photovoltaic system generating efficiency and reliability along with the research and development and the application of photovoltaic module new technology, reduce the power consumption cost, the photovoltaic trade requires the subassembly to last the improvement performance and reduce cost, the application of drive assembly new technology is towards maturity, the battery piece uses the interconnection strip to connect in the photovoltaic module, the interconnection strip is playing electrically conductive effect, it is firm in order to guarantee to weld for interconnection strip and battery piece welding, the interconnection strip surface can coat the soldering tin layer, in the use, the tin layer can launch partial light energy, can not make full use of light energy, thereby the waste of light energy has been leaded to, the output of subassembly has been reduced.
Disclosure of Invention
In order to solve the technical problems in the prior art, the utility model provides a cell slice assembly synergistic structure, which adopts white EVA to reflect and utilize the light energy lost between the cell slices again, thereby improving the assembly efficiency, compared with the conventional EVA, the EVA has stronger adhesive capacity, effectively prolongs the service life of the assembly, has strong barrier property, better heat conduction and heat dissipation performance, reduces the assembly cost, effectively improves the effect of the assembly power and the generated energy, and improves the utilization rate of incident light by attaching a reflective film on the surface of an interconnection strip to change the light path and reuse the light energy wasted by the interconnection strip, the light energy penetrates through glass, the light energy is incident on the surface of the reflective film, the light energy is reflected on the surface of the film strip and is reflected to the lower surface of the photovoltaic assembly glass, the light energy is reflected to the cell slices by the lower surface of the glass, so that the light energy lost by the interconnection strip can be reutilized, thereby improving the light energy utilization rate inside the assembly to improve, show improvement subassembly output to the reflective membrane is not convenient for break away from the interconnection strip for preventing at the repair in-process, the utility model discloses simultaneously with the reflective membrane bottom surface design for the flank of tooth, and the flank of tooth is horizontal setting, consequently, peeling off of very big convenient reflective membrane, paste the bonding strength who covers on the interconnection strip for increasing the reflective membrane simultaneously, the utility model discloses set up vertical recess on the flank of tooth simultaneously, vertical recess cooperatees with horizontal flank of tooth and forms cross bonding power, very big increase the bonding strength of reflective membrane.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a battery piece subassembly synergistic structure, includes the battery panel, the battery panel is formed by toughened glass, EVA, battery piece, EVA, backplate in order arranging in proper order from up stromatolite down, the battery piece comprises two sets of battery pieces along battery piece back of the body extremely opposite direction formation, the EVA is white EVA, establish ties through the interconnection strip between two sets of battery pieces, the subsides are covered with the reflective membrane that sets up along interconnection strip length direction on the interconnection strip top surface, the reflective membrane includes the substrate, is located the reflector layer of substrate top surface and is located the gum layer of substrate bottom surface, the substrate bottom surface is provided with the flank of tooth that sets up along interconnection strip width direction, the flank of tooth covers the substrate bottom surface, the flank of tooth covers on the interconnection strip top surface through the gum layer subsides.
Furthermore, the EVA is an ethylene-vinyl acetate copolymer sheet material.
Preferably, at least two groups of concave grooves designed at intervals are arranged on the tooth surface, and the concave grooves are arranged along the length direction of the interconnection strips.
Preferably, the base material is made of plastic or metal.
Preferably, the light reflecting layer is made of one of metal aluminum or metal silver.
Preferably, the back adhesive layer is made of one of EVA, acrylic acid or styrene adhesive.
Drawings
For further explanation of the present invention, the following drawings and embodiments are listed, and it is obvious that the following embodiments or drawings are only examples of the present invention, and other technical solutions can be further extended based on the structure provided by the present invention.
Fig. 1 is a schematic view of the installation structure of the present invention.
Fig. 2 is an enlarged view of the local structure of the reflective film of the present invention.
Fig. 3 is a schematic view of the local structure of the bottom surface of the reflective film of the present invention.
Fig. 4 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1-4, a battery piece subassembly synergistic structure, including the battery panel, the battery panel is arranged by toughened glass 9, EVA10, battery piece 1, EVA10, backplate 11 with follow up stromatolite order down and forms, battery piece 1 comprises two sets of battery pieces along the battery piece back of the body pole opposite direction formation, EVA10 is white EVA, establish ties through interconnection strip 2 between two sets of battery pieces 1, the subsides are covered with the reflective membrane 3 that sets up along 2 length direction of interconnection strip on the 2 top surfaces of interconnection strip, reflective membrane 3 includes substrate 4, is located the reflective layer 5 of substrate 4 top surface and is located the gum layer 6 of substrate 4 bottom surface, substrate 4 bottom surface is provided with the flank of tooth 7 along the 2 width direction setting of interconnection strip, flank of tooth 7 covers substrate 4 bottom surface, flank of tooth 7 pastes through gum layer 6 and covers on 2 top surfaces of interconnection strip.
Furthermore, the EVA is an ethylene-vinyl acetate copolymer sheet material.
Preferably, at least two groups of concave grooves 8 designed at intervals are arranged on the tooth surface 7, and the concave grooves 8 are arranged along the length direction of the interconnecting bar 2.
Preferably, the base material 4 is made of plastic or metal.
Preferably, the light reflecting layer 5 is made of one of metal aluminum or metal silver.
Preferably, the back adhesive layer 6 is one of EVA, acrylic or styrene adhesive.
It should be apparent that the above-mentioned embodiment is only an example of the present invention, and any simple modification in the structure or principle provided by the present invention is within the protection scope of the present invention.
Claims (5)
1. The utility model provides a battery piece subassembly synergistic structure, includes the battery panel, the battery panel is formed by toughened glass, EVA, battery piece, EVA, backplate in order arranging in proper order from up stromatolite down, its characterized in that the battery piece comprises two sets of battery pieces along battery piece back of the body utmost point opposite-cutting formation, the EVA is white EVA, establish ties through the interconnection strip between two sets of battery pieces, the subsides are covered with the reflective membrane that sets up along interconnection strip length direction on the interconnection strip top surface, the reflective membrane includes the substrate, is located the reflector layer of substrate top surface and is located the gum layer of substrate bottom surface, the substrate bottom surface is provided with the flank of tooth that sets up along interconnection strip width direction, the flank of tooth covers the substrate bottom surface, the flank of tooth covers on interconnection strip top surface through the gum layer subsides.
2. The structure of claim 1, wherein the tooth surface has at least two spaced concave grooves along the length of the interconnecting strip.
3. The battery sheet assembly enhancement structure of claim 1, wherein the substrate is made of plastic or metal.
4. The cell wafer assembly enhancement structure of claim 1, wherein the light reflecting layer comprises one of aluminum or silver.
5. The invention of claim 1, wherein the backing layer comprises one of EVA, acrylic, or styrene adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249285.XU CN212695163U (en) | 2020-07-01 | 2020-07-01 | Cell piece subassembly increase structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249285.XU CN212695163U (en) | 2020-07-01 | 2020-07-01 | Cell piece subassembly increase structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212695163U true CN212695163U (en) | 2021-03-12 |
Family
ID=74895343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021249285.XU Expired - Fee Related CN212695163U (en) | 2020-07-01 | 2020-07-01 | Cell piece subassembly increase structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212695163U (en) |
-
2020
- 2020-07-01 CN CN202021249285.XU patent/CN212695163U/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: 20210312 Termination date: 20210701 |