CN202111143U - Broken grid repair device for solar cell - Google Patents
Broken grid repair device for solar cell Download PDFInfo
- Publication number
- CN202111143U CN202111143U CN2011202120550U CN201120212055U CN202111143U CN 202111143 U CN202111143 U CN 202111143U CN 2011202120550 U CN2011202120550 U CN 2011202120550U CN 201120212055 U CN201120212055 U CN 201120212055U CN 202111143 U CN202111143 U CN 202111143U
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- battery sheet
- silver
- silver slurry
- solar cell
- fixed station
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Abstract
The utility model discloses a broken grid repair device for a solar cell, which comprises a frame and a controller, a cell slice loading device, a cell slice receiving device, a cell slice vacuum suction device, a cell slice positioning device, a silver grid line optical scanner and a silver paste spraying device which are respectively arranged on the frame, wherein the silver grid line optical scanner is used for capturing a broken grid position of a cell slice. When the broken grid repair device is in use, due to the adoption of a guide rail type transmission, the solar cell moves in a working surface; the solar cell is positioned in a working region by a vacuum adsorption mode; then the surface of the solar cell positioned in the working region is subjected to scanning of a silver grid line by an optical scanning system so as to capture a coordinate position of the broken grid position of the solar cell; and silver paste is sprayed at the broken grid position by a printing system through the coordinate position of the broken grid position. Therefore, in the utility model, a broken grid in the current printing process is repaired by a simple and easy method, so that when the current loss in the production process of the solar cell is made up, the production yield of the cell is improved.
Description
Technical field
The utility model relates to a kind of production solar power generation cell device, refers in particular to the disconnected grid repair apparatus of a kind of solar cell, and the utility model belongs to the manufacture of solar cells field.
Background technology
Solar cell is a kind of device that solar energy is converted to electric energy.The photoelectric current that solar cell produces mainly relies on the silver grating line of battery surface and collects.At present, manufacture of solar cells adopts the mode printed silver grid line of silk screen printing mostly, and during silk screen printing, printing scraper is that the half tone fine rule hole of 60-100um is printed onto silicon chip surface with silver paste through width, and forming width is the secondary grid line of 60-100um.Because pulp particle can be bonded to the sidewall in half tone fine rule hole in the printing process, makes the slurry in some half tone fine rule hole can't be printed onto silicon chip surface, cause secondary grid line broken string, this kind phenomenon is called disconnected grid.The main effect of the secondary grid line of silver is an electric current of collecting solar cell surface, owing to the existence of disconnected grid, makes and can't collect the main grid line from disconnected grid to the electric current of solar battery edge, reduces the electric current (Isc) of solar cell.Simultaneously, the client is also more and more stricter to the appearance requirement of battery sheet now, and is also more and more stricter to the disconnected grid requirement of battery sheet.
Present typography is difficult to avoid the appearance of disconnected grid, if a kind of easy device can be arranged, repairs the disconnected grid that occur in the printing, when remedying in the manufacture of solar cells process current loss, improves the yield that the battery sheet is produced.
The utility model content
The utility model is to the deficiency of prior art, and a kind of solar cell grid repair apparatus that break is provided, and it adopts guide tracked transmission device to carry out solar cell mobile in working face; Adopt the mode of vacuum suction that solar cell is positioned at the service area; Adopt optical scanning system that the solar cell surface that is positioned at the service area is carried out silver grating line scanning then, to catch the coordinate position at the disconnected grid position of solar cell; Print system sprays to disconnected grid position through the coordinate position at disconnected grid position with silver paste.Therefore, the utility model adopts simple method, repairs the disconnected grid that occur in the present typography, when remedying in the manufacture of solar cells process current loss, improves the yield that the battery sheet is produced.
For realizing above technical purpose, the utility model will be taked following technical scheme:
A kind of solar cell grid repair apparatus that breaks comprises frame and rack-mounted respectively controller, battery sheet feeding device, battery sheet material collecting device, battery sheet vacuum suction apparatus, battery sheet positioner, is used to catch the silver grating line optical scanner and the silver slurry spray equipment at battery segment grid position; Wherein: said battery sheet feeding device comprises magazine on the battery sheet and first drive unit that is used for back and forth driving magazine translation on the battery sheet; Said battery sheet vacuum suction apparatus, second drive unit that comprises the vacuum draw dish and be used for back and forth driving the translation of vacuum draw dish; Said battery sheet positioner, the XY work system that comprises battery sheet fixed station and be used for coordinated drive battery sheet fixed station; Said silver slurry spray equipment comprises silver slurry bucket and the silver slurry nozzle that is connected with silver slurry bucket through silver slurry conduit, and said silver slurry nozzle location and installation is on frame; The translation direction of the translation direction of magazine and vacuum draw dish is perpendicular on the said battery sheet; On said vacuum draw dish and the battery sheet fixed station photoelectric sensor is installed all; And the vacuum draw dish is positioned at the top of magazine on the battery sheet and battery sheet fixed station; Silver slurry nozzle and silver grating line optical scanner all are positioned at the top of battery sheet fixed station, and the charging aperture of battery sheet material collecting device is connected with the discharging opening of battery sheet fixed station mutually; Said controller is automatically controlled the running of suction action, XY work system and second drive unit of vacuum draw dish according to photoelectric sensor institute feedack; Simultaneously, the coordinate information at the battery segment grid position that said controller is fed back according to the silver grating line optical scanner is automatically controlled the running of XY work system and silver slurry nozzle.
Said silver slurry nozzle and silver grating line optical scanner are installed on the same pedestal, and this pedestal is connected with the output of the 3rd drive unit, and the 3rd drive unit then is installed on the frame.
Said silver slurry bucket top is provided with the silver slurry mixer that is used to stir the silver slurry.
Said silver grating line optical scanner is the CCD camera.
According to above technical scheme, can realize following beneficial effect:
The utility model adopts guide tracked transmission device to carry out solar cell moving in working face; Adopt the mode of vacuum suction that solar cell is positioned at the service area; Adopt optical scanning system that the solar cell surface that is positioned at the service area is carried out silver grating line scanning then, to catch the coordinate position at the disconnected grid position of solar cell; Print system sprays to disconnected grid position through the coordinate position at disconnected grid position with silver paste.Therefore, the utility model adopts simple method, repairs the disconnected grid that occur in the present typography, when remedying in the manufacture of solar cells process current loss, improves the yield that the battery sheet is produced.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Wherein: controller 1; Magazine 2 on the battery sheet; Vacuum draw dish 3; First drive unit 4; CCD camera 5; Silver slurry nozzle 6; The 3rd drive unit 7; Battery sheet fixed station 8; XY work system 9; Silver slurry bucket 10; Silver slurry mixer 11; Silver slurry conduit 12; Battery sheet material collecting device 13.
Embodiment
Accompanying drawing discloses the structural representation of the related preferred embodiment of the utility model without limitation.Below will combine accompanying drawing that the technical scheme of the utility model at length is described.
As shown in Figure 1; The described solar cell of the utility model grid repair apparatus that breaks comprises frame and rack-mounted respectively controller 1, battery sheet feeding device, battery sheet material collecting device 13, battery sheet vacuum suction apparatus, battery sheet positioner, is used to catch the silver grating line optical scanner and the silver slurry spray equipment at battery segment grid position; Wherein: said battery sheet feeding device comprises magazine 2 on the battery sheet and first drive unit 4 that is used for back and forth driving magazine 2 translations on the battery sheet; Said battery sheet vacuum suction apparatus, second drive unit that comprises vacuum draw dish 3 and be used for back and forth driving 3 translations of vacuum draw dish; Said battery sheet positioner, the XY work system 9 that comprises battery sheet fixed station 8 and be used for coordinated drive battery sheet fixed station 8; Said silver slurry spray equipment comprises silver slurry bucket 10 and the silver slurry nozzle 6 that is connected with silver slurry bucket 10 through silver slurry conduit 12, and said silver slurry nozzle 6 location and installation are on frame; The translation direction of the translation direction of magazine 2 and vacuum draw dish 3 is perpendicular on the said battery sheet; On said vacuum draw dish 3 and the battery sheet fixed station 8 photoelectric sensor is installed all; And vacuum draw dish 3 is positioned at the top of magazine 2 on the battery sheet and battery sheet fixed station 8; Silver slurry nozzle 6 and silver grating line optical scanner all are positioned at the top of battery sheet fixed station 8, and the charging aperture of battery sheet material collecting device 13 is connected with the discharging opening of battery sheet fixed station 8 mutually; Said controller 1 is automatically controlled the running of suction action, XY work system 9 and second drive unit of vacuum draw dish 3 according to photoelectric sensor institute feedack; Simultaneously, the coordinate information at the battery segment grid position that said controller 1 is fed back according to the silver grating line optical scanner is automatically controlled the running of XY work system 9 and silver slurry nozzle 6.Said silver slurry nozzle 6 and silver grating line optical scanner are installed on the same pedestal, and this pedestal is connected with the output of the 3rd drive unit 7, and the 3rd drive unit 7 then is installed on the frame.Said silver slurry bucket 10 tops are provided with the silver slurry mixer 11 that is used to stir the silver slurry.Said silver grating line optical scanner is a CCD camera 5.
In the utility model; First drive unit 4, second drive unit, the 3rd drive unit 7 and XY work system 9 all adopt guide tracked structure, and promptly first drive unit 4, second drive unit, the 3rd drive unit 7 and XY work system 9 can adopt screw mechanism commonly used, pinion and rack etc.
When adopting screw mechanism; With XY work system 9 is example, generally is that the screw mechanism of Y direction and the screw mechanism of directions X are connected, during installation; Respectively bearings is passed through on frame in the two ends of directions X, Y direction leading screw; And two leading screws are connected with the output of servomotor respectively, then the ball bearing that is connected on Y direction leading screw and the directions X leading screw are fixed, and the feed screw nut of Y direction then is fixedly connected with battery sheet fixed station 8.Therefore, along with rotatablely moving of directions X, Y direction leading screw, battery sheet fixed station 8 moves in the plane that directions X, Y direction leading screw form.
When adopting pinion and rack; With battery sheet feeding device is example, generally two tooth bars is laid on the frame, and power transmission shaft is installed in the bottom of magazine 2 on the battery sheet then; The two ends of power transmission shaft install respectively two with the corresponding meshed gears of aforementioned frame upper rack; Therefore, along with the rotation of power transmission shaft, the engagement of wheel and rack will cause on the battery sheet magazine 2 to do straight line along tooth bar moving.In addition, general also can the laying in the outside of tooth bar rolled bar, correspondingly, and on power transmission shaft, the outside of gear also installs along rolling the roller that bar moves.
During use, power-on at first is after first drive unit 4 obtains enabling signals; Magazine 2 carries out parallel moving on the driving battery sheet; To through under the vacuum draw dish 3 time, be installed in photoelectric sensor in the vacuum draw dish 3 and will detect and place the light signal that the solar battery sheets in the magazine 2 send on the battery sheet, and this light signal is fed back to controller 1; After controller 1 receives; Promptly automatically order about 3 actions of vacuum draw dish,, start 3 translations of the second drive device drives vacuum draw dish then with the absorption solar battery sheet; When the vacuum draw dish 3 that carries solar battery sheet is positioned at battery sheet fixed station 8 tops; Be installed in photoelectric sensor in the battery sheet fixed station 8 and will detect and be clamped in the light signal that the solar battery sheet on the vacuum draw dish 3 sends, and this light signal is fed back to controller 1, after controller 1 receives; Promptly automatically order about 3 actions of vacuum draw dish; To discharge solar battery sheet, it is fallen on the battery sheet fixed station 8, start 9 runnings of XY work system then; Take pictures in the below that makes XY work system 9 drive battery sheet fixed stations 8 be transported to CCD camera 5; Do not have disconnected grid site on the solar battery sheet when CCD camera 5 detects, then XY work system 9 continues to drive 8 reaches of battery sheet fixed station, the solar battery sheet on it is transported in the battery sheet material collecting device 13; When detecting, CCD camera 5 has disconnected grid site on the solar battery sheet; Then CCD camera 5 feeds back to controller 1 with the disconnected grid coordinate position that is captured; Controller 1 is opened silver slurry nozzle 6 automatically according to this information, silver paste being sprayed to disconnected grid position, after spraying finishes; XY work system 9 drives 8 reaches of battery sheet fixed station once more, so that the solar battery sheet on it is transported in the battery sheet material collecting device 13.
Claims (4)
1. the disconnected grid repair apparatus of a solar cell is characterized in that: comprise frame and rack-mounted respectively controller, battery sheet feeding device, battery sheet material collecting device, battery sheet vacuum suction apparatus, battery sheet positioner, be used to catch the silver grating line optical scanner and the silver slurry spray equipment at battery segment grid position; Wherein: said battery sheet feeding device comprises magazine on the battery sheet and first drive unit that is used for back and forth driving magazine translation on the battery sheet; Said battery sheet vacuum suction apparatus, second drive unit that comprises the vacuum draw dish and be used for back and forth driving the translation of vacuum draw dish; Said battery sheet positioner, the XY work system that comprises battery sheet fixed station and be used for coordinated drive battery sheet fixed station; Said silver slurry spray equipment comprises silver slurry bucket and the silver slurry nozzle that is connected with silver slurry bucket through silver slurry conduit, and said silver slurry nozzle location and installation is on frame; The translation direction of the translation direction of magazine and vacuum draw dish is perpendicular on the said battery sheet; On said vacuum draw dish and the battery sheet fixed station photoelectric sensor is installed all; And the vacuum draw dish is positioned at the top of magazine on the battery sheet and battery sheet fixed station; Silver slurry nozzle and silver grating line optical scanner all are positioned at the top of battery sheet fixed station, and the charging aperture of battery sheet material collecting device is connected with the discharging opening of battery sheet fixed station mutually; Said controller is automatically controlled the running of suction action, XY work system and second drive unit of vacuum draw dish according to photoelectric sensor institute feedack; Simultaneously, the coordinate information at the battery segment grid position that said controller is fed back according to the silver grating line optical scanner is automatically controlled the running of XY work system and silver slurry nozzle.
2. according to the disconnected grid repair apparatus of the said solar cell of claim 1; It is characterized in that: said silver slurry nozzle and silver grating line optical scanner are installed on the same pedestal; This pedestal is connected with the output of the 3rd drive unit, and the 3rd drive unit then is installed on the frame.
3. based on the disconnected grid repair apparatus of the said solar cell of claim 1, it is characterized in that: said silver slurry bucket top is provided with the silver slurry mixer that is used to stir the silver slurry.
4. according to the disconnected grid repair apparatus of the said solar cell of claim 1, it is characterized in that: said silver grating line optical scanner is the CCD camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202120550U CN202111143U (en) | 2011-06-22 | 2011-06-22 | Broken grid repair device for solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202120550U CN202111143U (en) | 2011-06-22 | 2011-06-22 | Broken grid repair device for solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202111143U true CN202111143U (en) | 2012-01-11 |
Family
ID=45436596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202120550U Expired - Lifetime CN202111143U (en) | 2011-06-22 | 2011-06-22 | Broken grid repair device for solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202111143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290487A (en) * | 2011-06-22 | 2011-12-21 | 江苏艾德太阳能科技有限公司 | Solar cell broken grid repairing device |
-
2011
- 2011-06-22 CN CN2011202120550U patent/CN202111143U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290487A (en) * | 2011-06-22 | 2011-12-21 | 江苏艾德太阳能科技有限公司 | Solar cell broken grid repairing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120111 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |