CN204289474U - The solar panel of the thin grid segmental structure in a kind of front - Google Patents
The solar panel of the thin grid segmental structure in a kind of front Download PDFInfo
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- CN204289474U CN204289474U CN201520000702.XU CN201520000702U CN204289474U CN 204289474 U CN204289474 U CN 204289474U CN 201520000702 U CN201520000702 U CN 201520000702U CN 204289474 U CN204289474 U CN 204289474U
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- grid
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- thin grid
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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
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Abstract
The utility model discloses the solar panel of the thin grid segmental structure in a kind of front, comprise solar panel, described cell panel front is provided with three main grids, be respectively the first main grid, the second main grid and the 3rd main grid, described first main grid is positioned at the centre of solar panel, described second main grid and described 3rd main grid are equally distributed in the both sides of described first main grid respectively, described solar panel is also evenly provided with and described three main grids thin grid connected vertically, described thin grid are the uneven design of width.The utility model is according to the feature flowing through electric current in the thin grid in solar panel front, namely the electric current flowed through in the thin grid in solar panel front has the closer to the larger feature of main grid electric current, especially segment design is carried out to the width of the thin grid in front, to reduce the energy loss of electric current through solar panel front gate line, improve the conversion efficiency of solar panel.
Description
Technical field
The utility model relates to new energy field, particularly relates to the solar panel of the thin grid segmental structure in a kind of front.
Background technology
Thin grid in solar panel play and are converged and the effect of the main grid that leads by solar panel generation current.The thin grid width of current solar cell is more and more thinner, 40 microns that the width of thin grid is tapered till now by more than original 100 microns.Thin grid width attenuates and the resistance of thin grid can be made to increase, and the electric energy loss that electric current can be made like this to flow through thin grid increases.The width of the thin grid in solar panel front is wide at present in addition, the i.e. even width of the thin grid of every bar and equal, but the electric current flowing through thin grid is uneven, the electric current passed through in the thin grid near the main grid is maximum, and the electric current passed through in main grid thin grid is farthest minimum.According to Joule law, if adopt wide thin grid design, the electric energy loss in the thin grid near main grid will be very large.
Summary of the invention
The technical problems to be solved in the utility model is to provide and a kind ofly reduces the energy loss of electric current through solar panel front gate line, improves the solar panel of the thin grid segmental structure in a kind of front of the conversion efficiency of solar panel.
For reaching above-mentioned purpose, the solar panel of the thin grid segmental structure in a kind of front of the utility model, comprise solar panel, described solar panel front is provided with three main grids, be respectively the first main grid, the second main grid and the 3rd main grid, described first main grid is positioned at the centre of solar panel, described second main grid and described 3rd main grid are equally distributed in the both sides of described first main grid respectively, described solar panel is also evenly provided with and described three main grids thin grid connected vertically, described thin grid are the uneven design of width.
Wherein said monocrystalline solar cells plate adopts 156 solar panels and/or polycrystalline 156 solar panel.
The distance of wherein said second main grid and described 3rd main grid and the first main grid is 52mm.
The number of wherein said thin grid is 85-95 bar, and the thin pitch of described every bar is from the edge 1.5mm of solar panel.
Wherein said thin grid between solar cell panel edges to nearest main grid three sections of being divided into isometric but width not wait.
Wherein said thin grid between every two main grids, adopt Central Symmetry design, namely with the center line of every two main grids for symmetry axis, the thin grid structure full symmetric on both sides.
Wherein said thin grid between every two main grids three sections of being divided into isometric but width not wait.
The width of the thin grid of 1/3rd sections of the wherein said thin grid nearest from main grid is the widest, and even width.
The width of the wherein said thin grid of 1/3rd sections from main grid thin grid is farthest minimum.
The utility model removes following technique effect: by optimizing the thin grid structure in front, realizes reducing the electric energy loss of electric current in grid line transmitting procedure and improving solar panel conversion efficiency.
Be described further below in conjunction with the solar panel of accompanying drawing to the thin grid segmental structure in a kind of front of the utility model.
Accompanying drawing explanation
Fig. 1 is solar panel front gate line structural representation;
Fig. 2 is the thin grid structural representation between two main grids;
Fig. 3 is the thin grid structural representation between solar cell panel edges to nearest main grid;
Fig. 4 is Solar panel backside main grid structural representation;
Fig. 5 is solar cell backboard constructed of aluminium schematic diagram.
Reference numeral: 1-solar cell, 2-main grid, the thin grid of 3-, the thin grid between 4-two main grid, 5-is near the thin grid of main grid, the thin grid of 6-interlude, 7-away from the thin grid of main grid, the center line of 8-two main grid, the thin grid between 9-solar cell panel edges to nearest main grid, 10-Solar panel backside main grid, 11-solar cell backboard aluminium.
Embodiment
Below in conjunction with drawings and Examples, to above-mentioned being described in more detail with other technical characteristic and advantage of the utility model.
Below a kind of disclosed embodiment of the present utility model, for 156 polysilicon solar cell plates.
As shown in Figure 1,156 polysilicon solar cell plates 1 are square with the standard of chamfering, and its length of side is 156mm.Cleaning before the making herbs into wool of 156 polysilicon solar cell plates in the present embodiment, diffusion, diffusion, two clear, PECVD coating process is all identical with the technique of conventional solar cells plate, and difference is at silk-screen printing technique.In silk-screen printing technique, first at the cell backside printing back side as shown in Figure 4 main grid 10, then enter oven cooking cycle drying, then printing back of the body aluminium 11 as shown in Figure 5, and then enter oven cooking cycle drying, finally battery is turned printing front gate line.
The utility model is different from the structure that conventional solar cells plate part is just front gate line.The primary structure of the utility model front gate line comprises main grid 2 and thin grid 3 as shown in Figure 1.Be uniformly distributed three main grids 2 in solar panel front, the width of every bar main grid 3 is equal and be 13mm; Wherein main grid is positioned at the middle of solar panel, and other two main grids divide and are listed in both sides and centre-to-centre spacing to middle main grid is 52mm.The quantity of thin grid (3) is 85 ~ 95, and concrete number can be selected within the scope of this according to process condition.As shown in Figure 1, thin grid 3 are the equally spaced front being distributed in solar panel 1 evenly, and the structure of the thin grid of every bar is identical, and thin grid are connected with main grid, and the end of thin grid and the distance at solar panel 1 edge are 1.5mm.Article two, the structure of the thin grid 4 between main grid 2 as shown in Figure 2, is symmetrical structure, with the center line 8 of two main grids for symmetry axis; Thin grid between main grid and center line 8 be divided into isometric three sections, width near the thin grid 5 of main grid is greater than the width of the thin grid 6 of interlude, the width of the thin grid of interlude 6 is greater than the width of the thin grid 7 away from main grid, namely near main grid thin grid 5, the thin grid of interlude 6, reduce successively away from the width of the thin grid 7 of main grid.The structure of the thin grid 9 between solar cell panel edges to nearest main grid as shown in Figure 3, be also divided into three-stage structure, and width reduces successively, and the structure of thin grid 4 between two main grids is similar.
Following several combination can be adopted near the thin grid 5 of main grid, the thin grid of interlude 6 and the width away from the thin grid 7 of main grid:
1, the width near the thin grid 5 of main grid is 60 μm, and the width of the thin grid 6 of interlude is 40 μm, and the width away from the thin grid 7 of main grid is 30 μm;
2, the width near the thin grid 5 of main grid is 75 μm, and the width of the thin grid 6 of interlude is 45 μm, and the width away from the thin grid 7 of main grid is 30 μm;
3, the width near the thin grid 5 of main grid is 65 μm, and the width of the thin grid 6 of interlude is 45 μm, and the width away from the thin grid 7 of main grid is 35 μm;
4, the width near the thin grid 5 of main grid is 55 μm, and the width of the thin grid 6 of interlude is 35 μm, and the width away from the thin grid 7 of main grid is 25 μm;
5, the width near the thin grid 5 of main grid is 60 μm, and the width of the thin grid 6 of interlude is 40 μm, and the width away from the thin grid 7 of main grid is 25 μm.
Flow through the electric current in the thin grid in solar cell front, have the closer to the larger feature of main grid electric current.The utility model, according to the feature flowing through electric current in the thin grid in solar cell front, carries out segment design to the width of the thin grid in front especially, to reduce the energy loss of electric current through solar cell front gate line, improves the conversion efficiency of solar cell.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection range that the utility model claims determine.
Claims (9)
1. the solar panel of the thin grid segmental structure in front, it is characterized in that: comprise solar panel, described solar panel front is provided with three main grids, be respectively the first main grid, the second main grid and the 3rd main grid, described first main grid is positioned at the centre of solar panel, described second main grid and described 3rd main grid are equally distributed in the both sides of described first main grid respectively, described solar panel is also evenly provided with and described three main grids thin grid connected vertically, described thin grid are the uneven design of width.
2. the solar panel of the thin grid segmental structure in front as claimed in claim 1, is characterized in that: described monocrystalline solar cells plate adopts 156 solar panels and/or polycrystalline 156 solar panel.
3. the solar panel of the thin grid segmental structure in front as claimed in claim 1, is characterized in that: the distance of described second main grid and described 3rd main grid and the first main grid is 52mm.
4. the solar panel of the thin grid segmental structure in front as claimed in claim 1, it is characterized in that: the number of described thin grid is 85-95 bar, the thin pitch of described every bar is from the edge 1.5mm of solar panel.
5. the solar panel of the thin grid segmental structure in front as claimed in claim 1, is characterized in that: described thin grid between solar cell panel edges to nearest main grid are divided into three sections of isometric but width not grade.
6. the solar panel of the thin grid segmental structure in front as claimed in claim 1, it is characterized in that: described thin grid between every two main grids, employing Central Symmetry design, namely with the center line of every two main grids for symmetry axis, the thin grid structure full symmetric on both sides.
7. the solar panel of the thin grid segmental structure in front as claimed in claim 1, is characterized in that: described thin grid between every two main grids three sections of being divided into isometric but width not wait.
8. the solar panel of the thin grid segmental structure in the front as described in claim 5 or 7, is characterized in that: the width of the thin grid of 1/3rd sections of the described thin grid nearest from main grid is the widest, and even width.
9. the solar panel of the thin grid segmental structure in the front as described in claim 5 or 7, is characterized in that: the width of the described thin grid of 1/3rd sections from main grid thin grid is farthest minimum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000702.XU CN204289474U (en) | 2015-01-04 | 2015-01-04 | The solar panel of the thin grid segmental structure in a kind of front |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000702.XU CN204289474U (en) | 2015-01-04 | 2015-01-04 | The solar panel of the thin grid segmental structure in a kind of front |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204289474U true CN204289474U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520000702.XU Expired - Fee Related CN204289474U (en) | 2015-01-04 | 2015-01-04 | The solar panel of the thin grid segmental structure in a kind of front |
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| CN (1) | CN204289474U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114695574A (en) * | 2022-04-27 | 2022-07-01 | 浙江爱康光电科技有限公司 | Heterojunction battery piece without main grid |
| CN115360249A (en) * | 2022-08-18 | 2022-11-18 | 中山德华芯片技术有限公司 | Gate line and preparation method and application thereof |
-
2015
- 2015-01-04 CN CN201520000702.XU patent/CN204289474U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114695574A (en) * | 2022-04-27 | 2022-07-01 | 浙江爱康光电科技有限公司 | Heterojunction battery piece without main grid |
| CN115360249A (en) * | 2022-08-18 | 2022-11-18 | 中山德华芯片技术有限公司 | Gate line and preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20180104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |