CN202428776U - Screen board for increasing height of electrode grid lines of solar battery - Google Patents
Screen board for increasing height of electrode grid lines of solar battery Download PDFInfo
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- CN202428776U CN202428776U CN2012200065587U CN201220006558U CN202428776U CN 202428776 U CN202428776 U CN 202428776U CN 2012200065587 U CN2012200065587 U CN 2012200065587U CN 201220006558 U CN201220006558 U CN 201220006558U CN 202428776 U CN202428776 U CN 202428776U
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- web plate
- grid line
- solar battery
- printing
- thin grid
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Abstract
The utility model relates to the field of solar energy photovoltaic manufacture and discloses a screen board for increasing height of electrode grid lines of a solar battery. The screen board is only provided with a fine grid line structure which is used for printing the electrode fine grid lines of the solar battery. According to the screen board for increasing the height of the electrode grid lines of the solar battery, the screen board is only provided with the fine grid line structure, the arrangement positions of the fine grid lines is identical to those of common screen board fine grid lines, and the width of the fine grid lines is not larger than that of traditional screen board fine grid lines. A battery substrate which is subjected to primary traditional printing is dried and subjected to secondary printing by means of the screen board, so that the height of the conductive paste fine grid lines on the battery substrate can be increased, and due to the fact that the screen board is not provided with a main grid line structure, the waste of conductive paste caused by repeated printing of conductive paste main grid lines on the substrate can be avoided.
Description
Technical field
The utility model relates to photovoltaic and makes the field, is specifically related to a kind of web plate that increases electrode of solar battery grid line height.
Background technology
In recent years; The development of solar battery technology is more and more faster; Though the traditional relatively forms of electricity generation such as firepower of its cost will exceed much at present, in the 21 century of advocating low-carbon economy energetically, the research of solar battery technology will be the key player in energy research field.
As the important step that crystal silicon cell is made, the printing quality of electrode of solar battery printing has very large influence to the performance of final battery sheet.And the factor that influences printing quality is except the destabilizing factor that printing machine exists, and printing mask version body size also has very big influence to final printing quality, and particularly the depth-width ratio to battery electrode has very big restriction.
The web plate that adopts main grid line, thin grid line to print simultaneously during existing solar energy screen printing; One-step print often exists the height that prints the thin grid line conductive paste that obtains not high; Depth-width ratio is low; Thereby cause battery sheet transformation efficiency low, therefore, the height that frequent needs adopt the technology of secondary printing to improve thin grid line conductive paste in the actual print process improves the depth-width ratio of thin grid line conductive paste.The secondary method of printing is that the battery sheet through the one-step print oven dry is carried out the second impression under same Printing screen; So the result of printing can improve the height that prints the thin grid line conductive paste that obtains; But also increased the use amount of main grid line conductive paste simultaneously, i.e. secondary printing has brought the significantly increase of printing cost.Based on above reason, industry is needed badly and a kind ofly can effectively be controlled printing cost and increase the approach of the thin grid line printing height of solar battery sheet.
The utility model content
The technical problem that (one) will solve
The technical problem that the utility model will solve provides a kind of solar energy web plate that is used for the secondary printing, and its purpose is to improve the printing height of solar battery sheet surface detail grid line, and can effectively control the cost of presswork simultaneously.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of web plate that increases electrode of solar battery grid line height, and said web plate only has thin grid line structure, and it is as the printing of the thin grid line of electrode of solar battery.
Preferred as technique scheme, the thin grid line of said web plate is the some groups of line segments that are parallel to each other.
Preferred as technique scheme, said web plate material is a metal material, through electroforming, etching, cut or wherein the method that combines of several kinds of technology make.
Preferred as technique scheme, said web plate is single layer structure or sandwich construction.
Preferred as technique scheme when said web plate is single layer structure, is connected with bridging between the thin grid line of said web plate; When said web plate is sandwich construction, be connected with bridging between its printing surface or the thin grid line of web plate layer near printing surface, be close to during printing or be standard-sized sheet mouth layer near the thin grid line of web plate layer of battery sheet substrate.
Preferred as technique scheme, said sandwich construction is two-layer electroforming web plate, is bridged linkage between the thin grid line of its printing surface web plate layer, the web plate layer of being close to battery sheet substrate during printing is a standard-sized sheet mouth layer.
Preferred as technique scheme, the thickness of said web plate is 20～60um, the opening size width of the thin grid line of said web plate is 10～80um.
Preferred as technique scheme, the thickness of said web plate is 30～55um, the opening size width of the thin grid line of said web plate is 30～55um.
(3) beneficial effect
A kind of web plate that increases electrode of solar battery grid line height that technique scheme provided, said web plate only have thin grid line structure, and it is as the printing of the thin grid line of electrode of solar battery.The web plate that the utility model designed only has thin grid line structure, and arrange position and the thin grid line of web plate commonly used of its thin grid line position of arranging is identical, and the width of its thin grid line generally is not more than the thin grid line of traditional web plate.To use the web plate that the utility model designed to carry out the second impression through the battery sheet substrate oven dry back of a traditional printing; Can increase the height of the thin grid line of conductive paste on the cell substrate; And because this web plate do not have the main grid line structure, it can avoid on the substrate repeating print of conductive paste main grid line to cause the waste of conductive paste.
Description of drawings
Figure 1A is the structural representation of the web plate of the increase electrode of solar battery grid line height that provides of the utility model embodiment 1;
Figure 1B is the part section enlarged diagram of A portion among Figure 1A;
Fig. 1 C is the local enlarged diagram of A portion among Figure 1A;
Fig. 2 A is the structural representation of the web plate of the increase electrode of solar battery grid line height that provides of the utility model embodiment 2;
Fig. 2 B is the part section enlarged diagram of B portion among Fig. 2 A;
Fig. 2 C is the local enlarged diagram of B portion among Fig. 2 A;
Fig. 3 is the structural representation of the web plate of the increase electrode of solar battery grid line height that provides of the utility model embodiment 3;
Wherein, 11: thin grid line structure; 21: thin grid line structure; A: splayed bridging; B: the bridging that is parallel to each other; W1: grid line width; W2: grid line width; 211: printing surface web plate layer; 212: standard-sized sheet mouth layer; 31: thin grid line structure.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Embodiment 1
Shown in Figure 1A, 1B and 1C, be a kind of web plate that increases electrode of solar battery grid line height that present embodiment provides, web plate only has thin grid line structure 11, and it is as the printing of the thin grid line of electrode of solar battery.The web plate that the utility model designed is applicable to and improves the thin grid line height of conductive paste on the printed substrate; Be used for secondary printing or more times printing as the one of which; It is identical with the thin grid line of the traditional solar battery sheet Printing screen position of arranging to arrange in the position of its thin grid line structure 11; The secondary that generally is used for during use behind traditional screen printing prints additional because the special construction of web plate, its on function, compare traditional one-step print or repeatedly printing has bigger advantage.
Preferably, the thin grid line of web plate is the some groups of line segments that are parallel to each other.The web plate material is a metal material, through electroforming, etching, cut or wherein the method that combines of several kinds of technology make.Web plate is single layer structure or sandwich construction.
When web plate is single layer structure, be connected with bridging between the thin grid line of web plate; When web plate is sandwich construction, be connected with bridging between its printing surface or the thin grid line of web plate layer near printing surface, be close to during printing or be standard-sized sheet mouth layer near the thin grid line of web plate layer of battery sheet substrate.Sandwich construction is two-layer electroforming web plate, is bridged linkage between the thin grid line of its printing surface web plate layer, and the web plate layer of being close to battery sheet substrate during printing is a standard-sized sheet mouth layer.
The thickness of web plate is 20～60um, and the opening size width of the thin grid line of web plate is 10～80um; The thickness of web plate is 30～55um, and the opening size width of the thin grid line of web plate is 30～55um.In the present embodiment; The style figure of the thin grid line 11 of said web plate is one group of continuity line segment that is parallel to each other, and Fig. 1 C is depicted as the enlarged diagram of thin grid line 11, links to each other with splayed bridging a between grid line; Grid line width W 1 is about 50um; The web plate of present embodiment is the individual layer web plate, and its grid line cut-away section structure is shown in Figure 1B, and web plate thickness is about 40um.
Embodiment 2
In conjunction with a kind of web plate that increases electrode of solar battery grid line height shown in Fig. 2 A, 2B and the 2C, shown in Fig. 2 A, web plate only has thin grid line structure 21, and does not have the main grid line structure of traditional web plate, and it is as the secondary printing of the thin grid line of electrode of solar battery.
In the present embodiment; The style figure of the thin grid line structure 21 of said web plate is one group and is parallel to each other and the middle line segment that breakpoint is arranged; Said breakpoint location is corresponding with the main grid line position of 156 * 156 crystal silicon solar energy batteries, and Fig. 2 C is depicted as the enlarged diagram of thin grid line structure 21, links to each other with one group of bridging b that is parallel to each other between grid line; Grid line width W 2 is about 45um; The web plate of present embodiment is double-deck web plate, said double-deck web plate be through electroforming, etching, cut or wherein several kinds of technology method such as combine make, its printing surface web plate layer thickness is about 10～30um; Between the thin grid line is one group of bridged linkage b that is parallel to each other, like 211 parts of Fig. 3 B; And printing the time to be close to the web plate layer of battery sheet substrate be standard-sized sheet mouth layer, this layer web plate thickness is promptly not have bridged linkage about 15～30um between the thin grid line of this web plate layer, like standard-sized sheet mouth layer 212 part of Fig. 3 B;
Embodiment 3
Basic identical with embodiment 2 structures, it mainly is the printing that is used for 125 * 125 crystalline silicons, and breakpoint location on its web plate and quantity are corresponding with corresponding 125 * 125 crystalline silicon solar battery electrode main grid lines.
Can be found out that by above embodiment the utility model embodiment provides a kind of web plate that increases electrode of solar battery grid line height, web plate only has thin grid line structure, and it is as the printing of the thin grid line of electrode of solar battery.The web plate that the utility model designed only has thin grid line structure, and arrange position and the thin grid line of web plate commonly used of its thin grid line position of arranging is identical, and the width of its thin grid line generally is not more than the thin grid line of traditional web plate.To use the web plate that the utility model designed to carry out the second impression through the battery sheet substrate oven dry back of a traditional printing; Can increase the height of the thin grid line of conductive paste on the cell substrate; And because this web plate do not have the main grid line structure, it can avoid on the substrate repeating print of conductive paste main grid line to cause the waste of conductive paste.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and replacement, these improvement and replacement also should be regarded as the protection domain of the utility model.
Claims (8)
1. a web plate that increases electrode of solar battery grid line height is characterized in that, said web plate only has thin grid line structure, and it is as the printing of the thin grid line of electrode of solar battery.
2. the web plate of increase electrode of solar battery grid line height according to claim 1 is characterized in that, the thin grid line of said web plate is the some groups of line segments that are parallel to each other.
3. the web plate of increase electrode of solar battery grid line height according to claim 1 is characterized in that said web plate material is a metal material.
4. the web plate of increase electrode of solar battery grid line height according to claim 1 is characterized in that said web plate is single layer structure or sandwich construction.
5. the web plate of increase electrode of solar battery grid line height according to claim 4 is characterized in that, when said web plate is single layer structure, is connected with bridging between the thin grid line of said web plate; When said web plate is sandwich construction, be connected with bridging between its printing surface or the thin grid line of web plate layer near printing surface, be close to during printing or be standard-sized sheet mouth layer near the thin grid line of web plate layer of battery sheet substrate.
6. the web plate of increase electrode of solar battery grid line height according to claim 5; It is characterized in that; Said sandwich construction is two-layer electroforming web plate, is bridged linkage between the thin grid line of its printing surface web plate layer, and the web plate layer of being close to battery sheet substrate during printing is a standard-sized sheet mouth layer.
7. according to the web plate of claim 5 or 6 described increase electrode of solar battery grid line height, it is characterized in that the thickness of said web plate is 20～60um, the opening size width of the thin grid line of said web plate is 10～80um.
8. according to the web plate of claim 5 or 6 described increase electrode of solar battery grid line height, it is characterized in that the thickness of said web plate is 30～55um, the opening size width of the thin grid line of said web plate is 30～55um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200065587U CN202428776U (en) | 2012-01-09 | 2012-01-09 | Screen board for increasing height of electrode grid lines of solar battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200065587U CN202428776U (en) | 2012-01-09 | 2012-01-09 | Screen board for increasing height of electrode grid lines of solar battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202428776U true CN202428776U (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200065587U Expired - Fee Related CN202428776U (en) | 2012-01-09 | 2012-01-09 | Screen board for increasing height of electrode grid lines of solar battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN202428776U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192598A (en) * | 2012-01-09 | 2013-07-10 | 昆山允升吉光电科技有限公司 | Meshed plate for increasing height of electrode grid line of solar battery |
| CN104097390A (en) * | 2013-04-08 | 2014-10-15 | 昆山允升吉光电科技有限公司 | Metal wire mesh and composite mesh plate corresponding to same |
| CN103707625B (en) * | 2012-09-29 | 2016-01-13 | 江苏天宇光伏科技有限公司 | Disconnected grid silk screen web plate under a kind of minimizing electroluminescent imaging |
-
2012
- 2012-01-09 CN CN2012200065587U patent/CN202428776U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192598A (en) * | 2012-01-09 | 2013-07-10 | 昆山允升吉光电科技有限公司 | Meshed plate for increasing height of electrode grid line of solar battery |
| CN103707625B (en) * | 2012-09-29 | 2016-01-13 | 江苏天宇光伏科技有限公司 | Disconnected grid silk screen web plate under a kind of minimizing electroluminescent imaging |
| CN104097390A (en) * | 2013-04-08 | 2014-10-15 | 昆山允升吉光电科技有限公司 | Metal wire mesh and composite mesh plate corresponding to same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190808 Granted publication date: 20120912 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220109 Granted publication date: 20120912 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20200109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |