CN203617303U - Solar cell and solar cell module - Google Patents
Solar cell and solar cell module Download PDFInfo
- Publication number
- CN203617303U CN203617303U CN201320714133.6U CN201320714133U CN203617303U CN 203617303 U CN203617303 U CN 203617303U CN 201320714133 U CN201320714133 U CN 201320714133U CN 203617303 U CN203617303 U CN 203617303U
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- Prior art keywords
- main grid
- grid line
- back side
- welding
- solar battery
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- Expired - Fee Related
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- 238000003466 welding Methods 0.000 claims description 48
- 229910000679 solder Inorganic materials 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
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Abstract
The utility model provides a solar cell and a solar cell module. The solar cell module comprises the several solar cells and a solder strip which connects the solar cells. Each solar cell possesses a photic surface, a shady face, right side main grid lines forming on the photic surface and back side main grid lines forming on the shady face. A quantity of the right side main grid lines is greater than a quantity of the back side main grid lines.
Description
Technical field
The utility model relates to technical field of solar batteries, relates in particular to a kind of solar battery sheet and is provided with the solar module of this solar battery sheet.
Background technology
At present, the lasting use of conventional energy resource has brought a series of economy such as energy scarcity and ecological deterioration and social concern, development solar module be address the above problem by way of one of.Therefore, countries in the world are all at active development solar module, and high conversion efficiency, low cost are the main trend of solar module development, are also the targets that technical research person pursues.Existing solar battery sheet, for the convenience of welding, the main grid line quantity of cell piece positive and negative is set to unanimously, so, between two cell pieces, can connect respectively the wherein reverse side of positive and another sheet of a slice with longer welding.But, although this kind of design is convenient to components welding, also limited the feasibility that uses different size welding on same assembly, and increased the cost that improves cell piece power by increasing main grid line.
Therefore, be necessary to provide a kind of improved solar battery sheet and solar module to address the above problem.
Utility model content
The purpose of this utility model is to provide a kind of electric current collection efficiency compared with high and lower-cost solar battery sheet and solar module.
For realizing above-mentioned utility model object, the utility model provides a kind of solar battery sheet, have sensitive surface and shady face and be formed on the front main grid line on described sensitive surface and be formed on the back side main grid line on shady face, the quantity of described front main grid line is greater than the quantity of back side main grid line.
As further improvement of the utility model, the quantity of described front main grid line is no less than 4.
As further improvement of the utility model, no more than 3 of the quantity of described back side main grid line.
For realizing above-mentioned utility model object, the utility model also provides a kind of solar module, comprise some solar battery sheets and connect the welding of solar battery sheet, described solar battery sheet has sensitive surface and shady face and is formed on the front main grid line on described sensitive surface and is formed on the back side main grid line on shady face, and the quantity of described front main grid line is greater than the quantity of back side main grid line.
As further improvement of the utility model, the quantity of described front main grid line is no less than 4.
As further improvement of the utility model, no more than 3 of the quantity of described back side main grid line.
As further improvement of the utility model, described welding comprises the front welding that is connected on the main grid line of front, is connected to the back side welding on the main grid line of the back side and connects the horizontal connection welding belt of front welding and back side welding.
As further improvement of the utility model, the width of described front welding is less than the width of back side welding.
As further improvement of the utility model, the width of described front welding is 0.5mm-2.0mm.
As further improvement of the utility model, the width of described back side welding is 1.5mm-4.0mm.
The beneficial effects of the utility model are: the quantity that is set to be greater than back side main grid line in the utility model by the front main grid line quantity of solar battery sheet, make front main grid line quantity increase to improve the collection efficiency of the utility model solar battery sheet sensitive surface electric current, back side main grid line quantity need not increase simultaneously, thereby avoids rising because back side main grid line quantity increases the manufacturing cost causing simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model solar module.
Specific embodiment
Below with reference to embodiment shown in the drawings, the utility model is described in detail.But these embodiment do not limit the utility model, the conversion in structure or function that those of ordinary skill in the art makes according to these embodiment is all included in protection range of the present utility model.
Please refer to a preferred embodiment that Figure 1 shows that the utility model solar module.Described solar module comprises some solar battery sheets 1 and connects the welding of solar battery sheet 1.
Described solar battery sheet 1 has sensitive surface and shady face, is formed on front main grid line and the positive secondary grid line on described sensitive surface and is formed on the back side main grid line on shady face.The quantity of wherein said front main grid line is greater than the quantity of back side main grid line.In the present embodiment, the quantity of described front main grid line is no less than 4.No more than 3 of the quantity of described back side main grid line, and described every back side main grid line is for being interrupted shape straight line, and it is arranged in a straight line and is formed by some backplates.
Described welding comprises the front welding 2 that is connected on the main grid line of front, is connected to the back side welding 3 on the main grid line of the back side and connects the horizontal connection welding belt 4 of front welding 2 and back side welding 3.The quantity of described front welding 2 is greater than the quantity of back side welding 3, and the width of described front welding 2 is less than the width of back side welding 3.The width of wherein said front welding is 0.5mm-2.0mm.The width of described back side welding is 1.5mm-4.0mm.Described horizontal connection welding belt 4 can be arranged on the sensitive surface of solar battery sheet 1, also can be arranged on the shady face of solar battery sheet, to connect front welding 2 and back side welding 3 as medium.In the present embodiment, described horizontal connection welding belt 4 is arranged on the shady face of solar battery sheet 1.
To sum up, in the utility model, be set to be greater than the quantity of back side main grid line by the front main grid line quantity of solar battery sheet 1, make front main grid line quantity increase to improve the collection efficiency of the utility model solar battery sheet 1 sensitive surface electric current, back side main grid line quantity need not increase simultaneously, thereby avoids rising because back side main grid line quantity increases the manufacturing cost causing simultaneously.In addition, use the welding of different size by the sensitive surface at solar battery sheet and shady face, wherein front welding 2 is the normal welding using, back side welding 3 uses wider welding, can reduce thus the power loss in solar battery sheet 1 shady face electric current course of conveying, improve the conversion efficiency of the utility model solar module.
Listed a series of detailed description is above only illustrating for feasibility embodiment of the present utility model; they are not in order to limit protection range of the present utility model, all do not depart from the equivalent embodiment that the utility model skill spirit does or change and all should be included in protection range of the present utility model within.
Claims (10)
1. a solar battery sheet, has sensitive surface and shady face and is formed on the front main grid line on described sensitive surface and is formed on the back side main grid line on shady face, it is characterized in that: the quantity of described front main grid line is greater than the quantity of back side main grid line.
2. solar battery sheet according to claim 1, is characterized in that: the quantity of described front main grid line is no less than 4.
3. solar battery sheet according to claim 1 and 2, is characterized in that: no more than 3 of the quantity of described back side main grid line.
4. a solar module, comprise some solar battery sheets and connect the welding of solar battery sheet, described solar battery sheet has sensitive surface and shady face and is formed on the front main grid line on described sensitive surface and is formed on the back side main grid line on shady face, it is characterized in that: the quantity of described front main grid line is greater than the quantity of back side main grid line.
5. solar module according to claim 4, is characterized in that: the quantity of described front main grid line is no less than 4.
6. according to the solar module described in claim 4 or 5, it is characterized in that: no more than 3 of the quantity of described back side main grid line.
7. solar module according to claim 4, is characterized in that: described welding comprises the front welding that is connected on the main grid line of front, is connected to the back side welding on the main grid line of the back side and connects the horizontal connection welding belt of front welding and back side welding.
8. solar module according to claim 7, is characterized in that: the width of described front welding is less than the width of back side welding.
9. solar module according to claim 8, is characterized in that: the width of described front welding is 0.5mm-2.0mm.
10. solar module according to claim 8 or claim 9, is characterized in that: the width of described back side welding is 1.5mm-4.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320714133.6U CN203617303U (en) | 2013-11-14 | 2013-11-14 | Solar cell and solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320714133.6U CN203617303U (en) | 2013-11-14 | 2013-11-14 | Solar cell and solar cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617303U true CN203617303U (en) | 2014-05-28 |
Family
ID=50769927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320714133.6U Expired - Fee Related CN203617303U (en) | 2013-11-14 | 2013-11-14 | Solar cell and solar cell module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203617303U (en) |
-
2013
- 2013-11-14 CN CN201320714133.6U patent/CN203617303U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215300 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Co-patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Patentee after: CSI SOLAR POWER GROUP Co.,Ltd. Address before: 215300 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Co-patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Patentee before: CSI SOLAR POWER (CHINA) Inc. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |