CN213483719U - Etching device for solar cell - Google Patents
Etching device for solar cell Download PDFInfo
- Publication number
- CN213483719U CN213483719U CN202022588189.4U CN202022588189U CN213483719U CN 213483719 U CN213483719 U CN 213483719U CN 202022588189 U CN202022588189 U CN 202022588189U CN 213483719 U CN213483719 U CN 213483719U
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- fixedly connected
- solar cell
- box body
- wall
- water tank
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides an etching device of solar wafer. The etching device of solar wafer includes: the solar cell panel conveying device comprises a box body and a conveying belt, wherein a solar cell panel is placed at the top of the conveying belt, a servo motor is fixedly connected to one side of the box body, an output end of the servo motor is connected with a threaded rod through a coupler, and the other end of the threaded rod penetrates through the box body and extends to the inside of the box body. The utility model provides an etching device of solar wafer can drive solar wafer through rotating assembly's setting and rotate, and then can be even spray on solar wafer's surface with the inside sculpture liquid medicine of water tank at the shower nozzle, the mode through spraying has replaced traditional sculpture inslot portion sculpture, the volume that the sculpture liquid medicine used has been reduced, the processing cost is reduced, and the stability of solar wafer when having improved man-hour, the phenomenon of having prevented solar wafer from crossing the carving takes place.
Description
Technical Field
The utility model relates to a solar wafer processing field especially relates to a solar wafer's sculpture device.
Background
The etching of the solar cell is to etch the lower surface and the edge of the diffused silicon wafer by using etching liquid medicine, take out the N-type silicon at the edge, insulate the upper surface and the lower surface of the silicon wafer from each other, and remove the phosphorus at the edge of the silicon wafer through the etching process.
The existing solar etching device generally comprises an etching groove body and a plurality of roller assemblies which are arranged on the etching groove body in a rotating mode, etching liquid medicine is contained in the etching groove body, the roller assemblies are used for bearing a silicon wafer, the silicon wafer can be in contact reaction with the etching liquid medicine when the roller assemblies are transmitted, however, a large amount of etching liquid medicine needs to be used in the mode, the processing cost is high, the local over-etching of the solar cell is easily caused, the product quality of a machined part is influenced, the existing etching device does not protect the front face of the solar cell when the solar cell is etched, the etching liquid medicine adheres to the front face of the solar cell in the etching process, and the front face of the machined part is corroded and damaged.
Therefore, it is necessary to provide an etching apparatus for solar cells to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an etching device of solar wafer has solved the local in-process of excessively carving and sculpture of solar wafer and has not possessed the problem of protecting the front of solar wafer.
In order to solve the technical problem, the utility model provides an etching device of solar wafer, include: the solar cell module comprises a box body and a conveyor belt, wherein a solar cell is placed at the top of the conveyor belt, a servo motor is fixedly connected to one side of the box body, the output end of the servo motor is fixedly connected with a threaded rod through a coupler, the other end of the threaded rod penetrates through the box body and extends into the box body, one end of the threaded rod extending into the box body is connected with a moving block in a threaded manner, the bottom of the moving block is fixedly connected with an electric telescopic rod, the other end of the electric telescopic rod is provided with a rotating assembly, the bottom of the rotating assembly is fixedly connected with a protective frame, the top of the protective frame and positioned on the right side of the rotating assembly are fixedly connected with a suction pump, the output end of the suction pump is communicated with a first pipeline, the other end of the first pipeline penetrates through the protective frame and extends into, the top fixed connection of sucking disc is in the top of protective frame inner wall, the bottom fixedly connected with water tank of box inner wall, the bottom fixedly connected with water pump of water tank inner wall, the output intercommunication of water pump has the second pipeline, the other end intercommunication of second pipeline has the shower nozzle, the shower nozzle passes through on the inner wall of fixed subassembly fixedly connected with box, the sculpture liquid medicine has been held in the inside of water tank, the conveyer belt drives through external actuating mechanism.
Preferably, the etching liquid contains HNO3And HF, and HNO3: HF is 3: 1.
preferably, the top of the inner wall of the box body is fixedly connected with a slide rail, the inside of the slide rail is connected with a slide block in a sliding mode, the bottom of the slide block is fixedly connected with the top of the moving block, and the slide block slides in the slide rail to facilitate the moving block to move left and right.
Preferably, a filter frame is connected between two sides of the inner wall of the water tank in a sliding mode, a filter screen is fixedly connected between the front face and the back face of the inner wall of the filter frame, clamping grooves are formed in the front face and the back face of the inner wall of the filter frame and located on the right side of the filter screen, clamping blocks are clamped in the clamping grooves, a residue collecting box is fixedly connected between one opposite sides of the clamping blocks, the clamping grooves are matched with the clamping blocks, and the clamping grooves and the clamping blocks are of T-shaped structures in cross section.
Preferably, a partition plate is fixedly connected to the bottom of the inner wall of the box body and is positioned between the water tank and the conveyor belt.
Preferably, the two sides of the inner wall of the water tank are respectively and fixedly connected with supporting blocks at the top of the filter frame, the bottoms of the two supporting blocks are respectively and fixedly connected with buffer springs, and the other ends of the two buffer springs are respectively and fixedly connected with the top of the filter frame.
Preferably, the bottom of the filter frame is fixedly connected with a vibrator, and the vibrator is in the prior art and only needs to realize a simple vibration function.
Compared with the prior art, the utility model provides an etching device of solar wafer has following beneficial effect:
(1) the utility model provides an etching device of solar wafer, setting through rotating assembly can drive solar wafer and rotate, and then can be even spraying on solar wafer's surface with the inside sculpture liquid medicine of water tank at the shower nozzle, the mode through spraying has replaced the inside sculpture of traditional sculpture inslot, the volume that the sculpture liquid medicine used has been reduced, the processing cost is reduced, and the stability of solar wafer in man-hour has been improved, the phenomenon of having prevented solar wafer from taking place over etching, the work efficiency of solar wafer sculpture is improved, and can protect solar wafer's front through the setting of protective frame, avoid the sculpture liquid medicine to glue in solar wafer's front in the sculpture process, and then the spoilage of product has been reduced.
(2) The utility model provides an etching device of solar wafer shakes through the electromagnetic shaker vibrations and drives the filter frame and shakes from top to bottom to tremble the residue at filter screen top into the inside of residue collecting box, avoided the residue to plug the filter screen, and then improved the filtration efficiency of filter screen, and the sculpture liquid medicine drips to the inside of water tank after passing through the filter screen filtration, thereby has realized the recycling of sculpture liquid medicine, has improved the utilization ratio of sculpture liquid medicine.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of an etching apparatus for solar cells according to the present invention;
FIG. 2 is a top view of the filter frame and residue collection tank of FIG. 1;
fig. 3 is a partially enlarged view of a portion a shown in fig. 1.
Reference numbers in the figures: 1. a box body; 2. a conveyor belt; 3. a solar cell sheet; 4. a servo motor; 5. a threaded rod; 6. a moving block; 7. an electric telescopic rod; 8. a rotating assembly; 9. a protective frame; 10. a suction pump; 11. a first conduit; 12. a suction cup; 13. a water tank; 14. a water pump; 15. a second conduit; 16. a spray head; 17. etching the liquid medicine; 18. a slide rail; 19. a slider; 20. a filter frame; 21. a filter screen; 22. a card slot; 23. a clamping block; 24. a residue collection box; 25. a buffer spring; 26. a vibrator; 27. a partition plate; 28. and (7) a supporting block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a solar cell etching apparatus according to a preferred embodiment of the present invention; FIG. 2 is a top view of the filter frame and residue collection tank of FIG. 1; fig. 3 is a partially enlarged view of a portion a shown in fig. 1. Etching device of solar wafer includes: the solar cell module comprises a box body 1 and a conveyor belt 2, wherein a solar cell 3 is placed on the top of the conveyor belt 2, a servo motor 4 is fixedly connected to one side of the box body 1, the output end of the servo motor 4 is fixedly connected with a threaded rod 5 through a coupler, the other end of the threaded rod 5 penetrates through the box body 1 and extends into the box body 1, one end of the threaded rod 5 extending into the box body 1 is in threaded connection with a moving block 6, the bottom of the moving block 6 is fixedly connected with an electric telescopic rod 7, the other end of the electric telescopic rod 7 is provided with a rotating component 8, the bottom of the rotating component 8 is fixedly connected with a protective frame 9, a suction pump 10 is fixedly connected to the top of the protective frame 9 and positioned on the right side of the rotating component 8, the output end of the suction pump 10 is communicated with a first pipeline 11, and the other end of, first pipeline 11 extends to the inside one end intercommunication of protective frame 9 has sucking disc 12, the bottom fixedly connected with water tank 13 of 1 inner wall of box, the bottom fixedly connected with water pump 14 of water tank 13 inner wall, the output intercommunication of water pump 14 has second pipeline 15, the other end intercommunication of second pipeline 15 has shower nozzle 16, sculpture liquid medicine 17 has been held in the inside of water tank 13, servo motor 4, electric telescopic handle 7, runner assembly 8, suction pump 10 and water pump 14 all through external control switch and external power source electric connection, water pump 14, second pipeline 15 and shower nozzle 16 all do not react with sculpture liquid medicine 17.
The solar cell piece 3 can be driven to rotate by the arrangement of the rotating component 8, further, the etching liquid medicine 17 in the water tank 13 can be uniformly sprayed on the surface of the solar cell piece 3 by the spray head 16, the traditional etching in the etching groove is replaced by a spraying mode, the use amount of the etching liquid medicine 17 is reduced, the processing cost is reduced, the stability of the solar cell piece 3 during processing is improved, the phenomenon that the solar cell piece 3 is over-etched is prevented, the working efficiency of the etching of the solar cell piece 3 is improved, the front face of the solar cell piece 3 can be protected by the arrangement of the protection frame 9, the etching liquid medicine 17 is prevented from being adhered to the front face of the solar cell piece 3 in the etching process, and the damage rate of a product is reduced.
The etching liquid 17 contains HNO3And HF, and HNO3: HF is 3: 1.
the top of the inner wall of the box body 1 is fixedly connected with a slide rail 18, and the inside of the slide rail 18 is connected with a slide block 19 in a sliding manner.
Sliding connection has filter frame 20 between the both sides of water tank 13 inner wall, fixedly connected with filter screen 21 between the front and the back of filter frame 20 inner wall, filter frame 20 inner wall's front and back and the right side that is located filter screen 21 have all seted up draw-in groove 22, two the equal joint in inside of draw-in groove 22 has fixture block 23, two fixedly connected with residue collecting box 24 between the relative one side of fixture block 23.
The residue collection box 24 can be conveniently disassembled and assembled by a user through the clamping grooves 22 and the clamping blocks 23, and then the residue inside the residue collection box 24 can be conveniently cleaned by the user.
A partition plate 27 is fixedly connected to the bottom of the inner wall of the box body 1 and positioned between the water tank 13 and the conveyor belt 2.
The arrangement of the partition plate 27 can block the etching liquid medicine 17 sprayed by the spray head 16 when the solar cell 3 is etched, so that the used etching liquid medicine 17 can be collected conveniently.
Supporting blocks 28 are fixedly connected to the two sides of the inner wall of the water tank 13 and the top of the filter frame 20, and buffer springs 25 are fixedly connected to the bottoms of the two supporting blocks 28.
The buffering spring 25 can buffer the vibration of the filter frame 20 driven by the vibrator 26, thereby prolonging the service life of the device.
The bottom of the filter frame 20 is fixedly connected with a vibrator 26.
Shake through electromagnetic shaker 26 and drive vibrations from top to bottom of filter frame 20 to tremble the inside of entering residue collecting box 24 with the residue at filter screen 21 top, avoided the residue to stop up filter screen 21, and then improved filter efficiency of filter screen 21, and sculpture liquid medicine 17 drips to the inside of water tank 13 after filtering through filter screen 21, thereby has realized the recycling of sculpture liquid medicine 17, has improved the utilization ratio of sculpture liquid medicine 17.
The utility model provides an etching device of solar wafer's theory of operation as follows:
when the solar cell etching device works, firstly, the prepared etching liquid medicine 17 is poured into the water tank 13, after the last process is completed, the solar cell 3 to be etched is placed on the conveyor belt 2, when the solar cell 3 to be etched is conveyed to the position under the protective frame 9 through the transmission of the conveyor belt 2, the conveyor belt 2 stops conveying, the electric telescopic rod 7 is started through the control switch, the electric telescopic rod 7 extends downwards, when the suction cup 12 is attached to the top of the solar cell 3, the suction pump 10 is started through the control switch, the suction pump 10 sucks air from the suction cup 12 through the first pipeline 11, the solar cell 3 is sucked through the suction cup 12, the electric telescopic rod 7 is started through the control switch to enable the electric telescopic rod 7 to contract, the solar cell 3 is driven to move upwards, when the bottom of the solar cell 3 moves to the top of the partition plate 27, the electric telescopic rod 7 stops working, the servo motor 4 is started by controlling a switch, the output end of the servo motor 4 rotates to drive the threaded rod 5 to rotate, the threaded rod 5 rotates to drive the moving block 6 to move leftwards, after the solar cell 3 moves to a proper position, the servo motor 4 stops working, the electric telescopic rod 7 is started by controlling the switch, and the electric telescopic rod 7 extends downwards to enable the solar cell 3 to move to the upper right of the spray head 16;
the water pump 14 and the rotating assembly 8 are started through the control switch, the protective frame 9 is rotated through the starting of the rotating assembly 8, the solar cell 3 is indirectly driven to rotate, the etching liquid medicine 17 in the water tank 13 is sprayed to the solar cell 3 through the spray head 16 through the starting of the water pump 14, and therefore the solar cell 3 is etched;
spray back on solar wafer 3 at shower nozzle 16 with etching liquid medicine 17, etching liquid medicine 17 and the residue that the corrosion reaction produced can drop at the top of filter screen 21, start electromagnetic shaker 26 through control switch, electromagnetic shaker 26 shakes and drives vibrations about filter frame 20 to tremble the inside of entering residue collecting box 24 with the residue at filter screen 21 top, etching liquid medicine 17 drips to the inside of water tank 13 after filtering through filter screen 21, thereby realized etching liquid medicine 17's recycling.
Compared with the prior art, the utility model provides an etching device of solar wafer has following beneficial effect:
the solar cell 3 can be driven to rotate by the arrangement of the rotating assembly 8, so that the etching liquid medicine 17 in the water tank 13 can be uniformly sprayed on the surface of the solar cell 3 by the spray head 16, the traditional etching in the etching groove is replaced by a spraying mode, the use amount of the etching liquid medicine 17 is reduced, the processing cost is reduced, the stability of the solar cell 3 during processing is improved, the phenomenon of over-etching of the solar cell 3 is prevented, the working efficiency of etching the solar cell 3 is improved, the front side of the solar cell 3 can be protected by the arrangement of the protective frame 9, the etching liquid medicine 17 is prevented from being adhered to the front side of the solar cell 3 in the etching process, and the damage rate of products is reduced;
shake through electromagnetic shaker 26 and drive vibrations from top to bottom of filter frame 20 to tremble the inside of entering residue collecting box 24 with the residue at filter screen 21 top, avoided the residue to stop up filter screen 21, and then improved filter efficiency of filter screen 21, and sculpture liquid medicine 17 drips to the inside of water tank 13 after filtering through filter screen 21, thereby has realized the recycling of sculpture liquid medicine 17, has improved the utilization ratio of sculpture liquid medicine 17.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. An etching device for solar cells comprises: box (1) and conveyer belt (2), its characterized in that: the solar cell piece (3) is placed at the top of the conveying belt (2), a servo motor (4) is fixedly connected to one side of the box body (1), the output end of the servo motor (4) is fixedly connected with a threaded rod (5) through a coupler, the other end of the threaded rod (5) penetrates through the box body (1) and extends into the box body (1), one end of the threaded rod (5) extending into the box body (1) is connected with a moving block (6) in a threaded manner, the bottom of the moving block (6) is fixedly connected with an electric telescopic rod (7), the other end of the electric telescopic rod (7) is provided with a rotating assembly (8), the bottom of the rotating assembly (8) is fixedly connected with a protective frame (9), the top of the protective frame (9) is fixedly connected with a suction pump (10) located on the right side of the rotating assembly (8), and the output end of the suction pump (10), the other end of first pipeline (11) runs through protecting frame (9) and extends to the inside of protecting frame (9), first pipeline (11) extend to the inside one end intercommunication of protecting frame (9) have sucking disc (12), the bottom fixedly connected with water tank (13) of box (1) inner wall, the bottom fixedly connected with water pump (14) of water tank (13) inner wall, the output intercommunication of water pump (14) has second pipeline (15), the other end intercommunication of second pipeline (15) has shower nozzle (16), sculpture liquid medicine (17) have been held to the inside of water tank (13).
2. The etching device for the solar cell is characterized in that a sliding rail (18) is fixedly connected to the top of the inner wall of the box body (1), and a sliding block (19) is slidably connected to the inside of the sliding rail (18).
3. The etching device for the solar cell according to claim 1, wherein a filter frame (20) is slidably connected between two sides of the inner wall of the water tank (13), a filter screen (21) is fixedly connected between the front side and the back side of the inner wall of the filter frame (20), clamping grooves (22) are respectively formed in the front side and the back side of the inner wall of the filter frame (20) and located on the right side of the filter screen (21), clamping blocks (23) are respectively clamped inside the two clamping grooves (22), and a residue collecting box (24) is fixedly connected between the two opposite sides of the two clamping blocks (23).
4. The etching device for the solar cell slice is characterized in that a partition plate (27) is fixedly connected to the bottom of the inner wall of the box body (1) and is positioned between the water tank (13) and the conveyor belt (2).
5. The etching device for the solar cell slice as claimed in claim 1, wherein supporting blocks (28) are fixedly connected to two sides of the inner wall of the water tank (13) and the top of the filter frame (20), and buffer springs (25) are fixedly connected to the bottoms of the two supporting blocks (28).
6. The solar cell etching device according to claim 3, wherein a vibrator (26) is fixedly connected to the bottom of the filter frame (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022588189.4U CN213483719U (en) | 2020-11-11 | 2020-11-11 | Etching device for solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022588189.4U CN213483719U (en) | 2020-11-11 | 2020-11-11 | Etching device for solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213483719U true CN213483719U (en) | 2021-06-18 |
Family
ID=76354586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022588189.4U Expired - Fee Related CN213483719U (en) | 2020-11-11 | 2020-11-11 | Etching device for solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213483719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267752A (en) * | 2021-12-22 | 2022-04-01 | 安徽舟港新能源科技有限公司 | Intelligent processing equipment for producing dephosphorized silicon glass by solar cell |
-
2020
- 2020-11-11 CN CN202022588189.4U patent/CN213483719U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267752A (en) * | 2021-12-22 | 2022-04-01 | 安徽舟港新能源科技有限公司 | Intelligent processing equipment for producing dephosphorized silicon glass by solar cell |
| CN114267752B (en) * | 2021-12-22 | 2022-06-17 | 安徽舟港新能源科技有限公司 | Intelligent processing equipment for producing dephosphorized silicon glass by solar cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210618 Termination date: 20211111 |