CN201823498U - Paste stirrer for solar cell screen printing - Google Patents
Paste stirrer for solar cell screen printing Download PDFInfo
- Publication number
- CN201823498U CN201823498U CN2010205234883U CN201020523488U CN201823498U CN 201823498 U CN201823498 U CN 201823498U CN 2010205234883 U CN2010205234883 U CN 2010205234883U CN 201020523488 U CN201020523488 U CN 201020523488U CN 201823498 U CN201823498 U CN 201823498U
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- Prior art keywords
- stirring
- paste
- solar cell
- screen printing
- stirrer
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- Expired - Lifetime
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Abstract
The utility model provides a paste stirrer for solar cell screen printing, comprising a stirring rod, wherein a stirring blade is arranged at the bottom of the stirring rod. The paste stirrer is characterized in that the stirring blade is spiral, and the middle of the stirring blade is twisted to form an upper curved surface and a lower curved surface. The paste stirrer has the advantages of shortening the paste stirring time to 10-15 minutes which is shorter by over a half than the time by using the similar vertical stirrer, solving the problem of organism volatilization resulted from overlong time for opening and stirring silver paste and aluminum paste, and improving the average conversion efficiency of cells by about 0.05 percentage point. Therefore, both the production efficiency and the product properties are improved, and the enterprise revenue is increased.
Description
Technical field
The utility model relates to a kind of solar cell silk screen printing slurry mixer.
Background technology
The upper/lower electrode of solar cell and back surface field generally are to adopt method for printing screen to make, wherein upper/lower electrode needs the printed silver slurry, back of the body electric field need print aluminium paste, and the electrical property of battery sheet often is closely related with slurry silver powder, the equidistributed uniformity of glass dust.So before the slurry printing is used, all must make it reach even doping by machine or artificial stirring method.
Horizontal or the vertical stirring of the general employing of present stirring, horizontal stirring is a drum-type, and seal slurry mixing time reaches 12-24 hour, and aluminium paste also reaches several hours, promptly loses time, and wastes energy again.The container that vertical stirring is about to hold slurry places on the mixing platform, opening upwards, stirring piece is dipped in the slurry, rotates by mixing platform rotation or stirring piece and stirs slurry.This stirring is similar to manual stirring, and the aluminium paste mixing time foreshortens to 30 minutes, and the silver slurry still needs more than 1 hour.Mostly use the stirring piece of comparatively easy twice bending, middle perforate at present in the industry, the main tangential stirring of considering slurry of this design, though two bendings can realize axial stirring up and down, but size is less, and moulding is still the plane, and mixing effect is also not obvious.Stir serious reductions such as fill factor, curve factor that inadequate silver slurry or aluminium paste cause battery easily, open-circuit voltage, have a strong impact on the conversion efficiency of solar cell.
Summary of the invention
The purpose of this utility model is to provide a kind of agitator that can shorten the slurry mixing time.
In order to achieve the above object, the technical solution of the utility model has provided a kind of solar cell silk screen printing slurry mixer, comprise stirring rod, bottom in stirring rod is provided with stirring piece, it is characterized in that: stirring piece is the spirality of middle part rotoflector, thereby forms top-surface camber and lower surface camber.
Further, on described top-surface camber and described lower surface camber, have poke hole.
The utility model has the advantages that: make the slurry mixing time shorten to 10-15 minute, the similar vertical stirrer of time ratio shortens more than 1 half, and having solved silver-colored slurry and the oversize problem that makes the organism volatilization of aluminium paste perforate mixing time, the average conversion efficiency of battery sheet promotes about 0.05 percentage point.Not only improve production efficiency, also improved properties of product simultaneously, promoted the performance of enterprises.
Description of drawings
A kind of solar cell silk screen printing slurry mixer schematic diagram that Fig. 1 provides for the utility model.
The specific embodiment
Embodiment
As shown in Figure 1, a kind of solar cell silk screen printing slurry mixer that provides for the utility model, comprise stirring rod 1, bottom in stirring rod 1 is provided with stirring piece, stirring piece is the spirality of middle part rotoflector, thereby form top-surface camber 2 and lower surface camber 3, on top-surface camber 2 and lower surface camber 3, have poke hole.
The utility model adopts the spiral moulding, middle perforate, and every some tangent plane and the equal out of plumb of each direction of motion on the stirring piece curved surface, the ratio of pitch and diameter is more little, and axial thrust load is big more, and the mixing uniformity up and down of slurry is good more.Get a suitable ratio, make it be applicable to most of slurries, reach uniformity preferably.
During use, the bottle cap of bottled aluminium paste to be stirred is opened, use and stir special-purpose opening bottle cap, insert the agitator that this utility model provides, starting switch, begin to stir, flight pivoted when stirring, and the screw type stirring piece inserts in the slurry and stirs, and the curved surface of screw type makes slurry in three directions axially, circumferentially and radially motion be arranged all, poke hole communicates the slurry before and after the stirring piece, can increase mixing effect.Stir after about 10 minutes, stop to stir, take out the aluminium paste that stirs, be dosed to and begin typography on the half tone.
Claims (2)
1. a solar cell silk screen printing slurry mixer comprises stirring rod (1), is provided with stirring piece in the bottom of stirring rod (1), it is characterized in that: stirring piece is the spirality of middle part rotoflector, thereby forms top-surface camber (2) and lower surface camber (3).
2. a kind of solar cell silk screen printing slurry mixer as claimed in claim 1 is characterized in that: have poke hole on described top-surface camber (2) and described lower surface camber (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205234883U CN201823498U (en) | 2010-09-09 | 2010-09-09 | Paste stirrer for solar cell screen printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205234883U CN201823498U (en) | 2010-09-09 | 2010-09-09 | Paste stirrer for solar cell screen printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201823498U true CN201823498U (en) | 2011-05-11 |
Family
ID=43962059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205234883U Expired - Lifetime CN201823498U (en) | 2010-09-09 | 2010-09-09 | Paste stirrer for solar cell screen printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201823498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855048A (en) * | 2017-12-19 | 2018-03-30 | 无锡市飞天油脂有限公司 | A kind of lubricating oil agitator tank |
-
2010
- 2010-09-09 CN CN2010205234883U patent/CN201823498U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855048A (en) * | 2017-12-19 | 2018-03-30 | 无锡市飞天油脂有限公司 | A kind of lubricating oil agitator tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110531 Address after: Jiaxing City, Zhejiang province 314512 Tongxiang Heshan Town Industrial Park Patentee after: Bright Solar Energy Co., Ltd. Address before: Jiaxing City, Zhejiang province 314512 Tongxiang Heshan Town Industrial Park Patentee before: Bright Solar Energy Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |