CN211503665U - Double-roller symmetrical synchronous transmission type solar cell sintering furnace - Google Patents
Double-roller symmetrical synchronous transmission type solar cell sintering furnace Download PDFInfo
- Publication number
- CN211503665U CN211503665U CN202020170096.7U CN202020170096U CN211503665U CN 211503665 U CN211503665 U CN 211503665U CN 202020170096 U CN202020170096 U CN 202020170096U CN 211503665 U CN211503665 U CN 211503665U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- transmission
- synchronous
- lower furnace
- furnace body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 132
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 39
- 238000005245 sintering Methods 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000010453 quartz Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Landscapes
- Furnace Details (AREA)
- Tunnel Furnaces (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a double-roller symmetrical synchronous transmission type solar cell sintering furnace, which comprises a frame, a controller, a driving motor, a lower furnace body, an upper heating lamp tube and a lower heating lamp tube; the method is characterized in that: a synchronous transmission shaft is arranged on the rack, and the driving motor is connected with the synchronous transmission shaft for transmission; a first transmission shaft and a second transmission shaft are fixedly arranged on the side walls of the lower furnace body at two sides of the lower furnace chamber through corresponding bearing seats respectively, and the inner end parts of the first transmission shaft and the second transmission shaft are conical; the outer end parts of the first transmission shaft and the second transmission shaft are connected with the synchronous transmission shaft for transmission. The utility model discloses simple structure, it is reliable to operate steadily, and in sintering process, solar wafer's bottom surface photic is even, does not have and shelters from, and energy saving and consumption reduction is obvious.
Description
Technical Field
The utility model relates to an improvement of solar cell fritting furnace belongs to photovoltaic solar wafer production facility technical field, specific two roller symmetry synchronous transmission formula solar cell fritting furnace that says so.
Background
In the field of photovoltaic solar cell production, the production process of a cell from a substrate to a finished product comprises wool making, diffusion, phosphorosilicate glass removal, plasma etching, antireflection film plating, screen printing and rapid sintering, wherein the rapid sintering is the most critical ring, namely, the performance of a sintering furnace is directly related to the quality and the photoelectric conversion rate of the produced cell. In addition, the development trend of solar cells is to produce double-sided crystalline silicon cells from single-sided light receiving and power generating to double-sided light receiving and power generating.
At present, the mainstream equipment in the market for producing the battery piece is a mesh belt type sintering furnace, the transmission mode of the mesh belt type sintering furnace is that the battery piece is supported by a mesh belt made of nickel-chromium alloy to enter and exit a furnace chamber, a glass rod slideway is arranged in the furnace chamber, and the defects are that: 1. metal powder pollution can be generated by the friction between the mesh belt and the glass rod; 2. when the mesh belt goes out of and enters the furnace chamber, the temperature is reduced from 900 ℃ to room temperature, a cooling chamber is needed for cooling, and the energy consumption is high; 3. after the mesh belt runs at a certain speed, vibration is easy to generate, the speed is limited to 6 m/min at most, and the yield cannot be improved by a single machine; 4. carefully observing the sintered cell, the surface contacting with the mesh belt has a reticulate pattern shadow. The roller type sintering furnace is also used for production, and the transmission mode is as follows: high-purity quartz ceramic rollers are arranged in parallel and penetrate through the lower furnace chamber, the high-purity quartz ceramic rollers all rotate simultaneously in situ at a constant speed, and the battery pieces move on the high-purity quartz ceramic rollers to enter and exit the furnace chamber; the advantages are that: 1. the element of mesh belt cooling is omitted, and the energy consumption is reduced; 2. no metal pollution is caused in the furnace cavity; 3. the transmission is stable, the roller speed can reach 15 m/min at most, and the output rate is improved; the disadvantages are that: the high-purity quartz ceramic rollers arranged in parallel are arranged below the battery piece, and can shield light rays irradiated and heated upwards in the lower furnace cavity, so that the light receiving rate below the battery piece is seriously influenced.
Disclosure of Invention
An object of the utility model is to provide a simple structure, it is reliable to operate steadily, in sintering process, makes the bottom surface photic of solar wafer (single face battery or double-sided battery) even, does not have and shelters from, improves the sintering quality of solar wafer, reduces energy consumption's two roller symmetry synchronous transmission formula solar cell fritting furnaces.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the double-roller symmetrical synchronous transmission type solar cell sintering furnace comprises a rack, a controller, a driving motor, a lower furnace body, an upper heating lamp tube and a lower heating lamp tube, wherein the driving motor is fixedly arranged on the rack; the method is characterized in that: a synchronous transmission shaft is fixedly arranged on the rack through a corresponding bearing seat, and a driving shaft of a driving motor is connected with the middle part of the synchronous transmission shaft through a third transmission belt for transmission; the side walls of the lower furnace body at two sides of the lower furnace chamber are respectively fixedly provided with a first transmission shaft and a second transmission shaft through corresponding bearing seats, the first transmission shaft and the second transmission shaft are uniformly distributed along the central axis of the lower furnace chamber, each first transmission shaft is symmetrically arranged with the second transmission shaft matched with the first transmission shaft, all the first transmission shafts and the second transmission shafts are on the same horizontal plane, the inner end parts of the first transmission shaft and the second transmission shafts are conical, and the distance between the inner end parts of the first transmission shaft and the second transmission shaft is matched with the width of the solar cell; the outer end parts of the first transmission shaft and the second transmission shaft are respectively provided with two synchronous belt wheels, the two ends of each synchronous transmission shaft are respectively connected with the first transmission shaft close to the feeding hole and the synchronous belt wheels on the second transmission shaft through corresponding second transmission belts for transmission, the adjacent synchronous belt wheels on the first transmission shaft are connected with the first transmission belts for transmission, and similarly, the adjacent synchronous belt wheels on the second transmission shaft are also connected with the first transmission belts for transmission.
The first transmission shaft and the second transmission shaft are both made of high-purity quartz ceramic rollers.
The controller is fixedly arranged on the frame.
The beneficial effects of the utility model reside in that: the utility model discloses simple structure, it is reliable to operate steadily, the productivity can reach 7500p/h, can match the high-speed silk screen printing machine of 0.9s, in sintering process, the bottom surface photic of solar wafer is even, does not have and shelters from, compare with traditional fritting furnace, under the condition that the sintering degree of solar wafer reaches equal effect, the reducible 15% of total power, energy saving and consumption reduction is obvious, be used in 156 in the production of 156 polycrystalline silicon battery pieces, its sintering efficiency all is higher than 17.2%.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic top view of the lower furnace body of the present invention;
FIG. 3 is a left side view of the structure of the present invention;
fig. 4 is a schematic view of the present invention, partially in section, along the direction a-a in fig. 1.
In the figure: 1. a frame; 2. a controller; 3. a drive motor; 4. a lower furnace body; 5. an upper furnace body; 6. an upper heating lamp tube; 7. the lower part heats the lamp tube; 8. a synchronous drive shaft; 9. a second transmission belt; 10. a second transmission shaft; 11. a synchronous pulley; 12. a first transmission belt; 13. a first transmission shaft; 14. a feed inlet; 15. a discharge port; 16. a lower furnace chamber; 17. a solar cell sheet; 18. a third transmission belt; 19. and (4) loading the furnace chamber.
Detailed Description
The invention is manufactured by referring to fig. 1, fig. 2, fig. 3 and fig. 4, and is used for sintering production of solar cells of single-sided batteries or double-sided batteries.
The double-roller symmetrical synchronous transmission type solar cell sintering furnace comprises a rack 1, a controller 2, a driving motor 3, a lower furnace body 4, an upper furnace body 5, an upper heating lamp tube 6 and a lower heating lamp tube 7, wherein the driving motor 3 is fixedly arranged on the rack 1, the lower furnace body 4 is fixedly arranged on the top of the rack 1, the upper furnace body 5 is arranged on the lower furnace body 4, a lower furnace chamber 16 is arranged in the lower furnace body 4, an upper furnace chamber 19 matched with the lower furnace chamber 16 is arranged in the upper furnace body 5, a feed inlet 14 and a discharge outlet 15 are respectively arranged at two ends of the lower furnace chamber 16, so that solar cells 17 enter the lower furnace chamber 16 from the feed inlet 14, the solar cells are output from the discharge outlet 15 after sintering is finished, the upper heating lamp tubes 6 are uniformly distributed in the upper furnace chamber 19, the lower heating lamp tubes 7 are uniformly distributed in the lower furnace chamber 16, so as to synchronously irradiate and heat the top surface and the bottom surface of, the controller 2 is respectively connected with the driving motor 3, the upper heating lamp tube 6 and the lower heating lamp tube 7 through wires; the method is characterized in that: a synchronous transmission shaft 8 is fixedly arranged on the frame 1 through a corresponding bearing seat, and a driving shaft of the driving motor 3 is connected with the middle part of the synchronous transmission shaft 8 through a third transmission belt 18 for transmission, so that the driving motor 3 drives the synchronous transmission shaft 8 to rotate; the side walls of the lower furnace body 4 at two sides of the lower furnace chamber 16 are respectively fixedly provided with a first transmission shaft 13 and a second transmission shaft 10 through corresponding bearing seats, the first transmission shaft 13 and the second transmission shaft 10 are uniformly distributed along the central axis of the lower furnace chamber 16, each first transmission shaft 13 is symmetrically arranged with the second transmission shaft 10 matched with the first transmission shaft, all the first transmission shafts 13 and the second transmission shafts 10 are on the same horizontal plane, the inner end parts of the first transmission shafts 13 and the second transmission shafts 10 are conical, the distance between the inner end parts of the first transmission shafts 13 and the second transmission shafts 10 is matched with the width of the solar cell 17, when in use, the two side edges of the solar cell 17 are supported on the conical inner end parts of the first transmission shafts 13 and the second transmission shafts 10, so that the bottom surface of the solar cell 17 is uniformly heated without shielding; the outer end parts of the first transmission shaft 13 and the second transmission shaft 10 are provided with two synchronous belt wheels 11, two ends of each synchronous transmission shaft 8 are respectively connected with the first transmission shaft 13 close to the feed inlet 14 and the synchronous belt wheels 11 on the second transmission shaft 10 through corresponding second transmission belts 9 for transmission, the synchronous belt wheels 11 on the adjacent first transmission shafts 13 are connected with the first transmission belts 12 for transmission, and similarly, the synchronous belt wheels 11 on the adjacent second transmission shafts 10 are also connected with the first transmission belts 12 for transmission, so that one end of each synchronous transmission shaft 8 drives all the first transmission shafts 13 to synchronously rotate, the other end of each synchronous transmission shaft 8 drives all the second transmission shafts 10 to synchronously rotate, and stable operation of the solar cell 17 is ensured.
The first transmission shaft 13 and the second transmission shaft 10 are both made of high-purity quartz ceramic rollers.
The controller 2 is fixedly arranged on the frame 1.
When the utility model is used, the power supply is switched on, and the driving motor 3, the upper heating lamp tube 6 and the lower heating lamp tube 7 are started through the controller 2; the solar cell 17 to be processed is fed into the lower furnace chamber 16 from the feeding hole 14, the two side edges of the solar cell 17 are supported at the conical inner end parts of the first transmission shaft 13 and the second transmission shaft 10, the solar cell 17 moves at a constant speed under the self synchronous rotation of the first transmission shaft 13 and the second transmission shaft 10, meanwhile, the two sides of the solar cell 17 are heated and sintered, and finally, the solar cell is output from the discharging hole 15, and the sintering is completed.
Claims (2)
1. Two-roller symmetrical synchronous transmission type solar cell sintering furnace, which comprises a frame (1), a controller (2), a driving motor (3), a lower furnace body (4), an upper furnace body (5), an upper heating lamp tube (6) and a lower heating lamp tube (7), wherein the driving motor (3) is fixedly arranged on the frame (1), the lower furnace body (4) is fixedly arranged at the top of the frame (1), the upper furnace body (5) is arranged on the lower furnace body (4), a lower furnace chamber (16) is arranged in the lower furnace body (4), an upper furnace chamber (19) matched with the lower furnace chamber (16) is arranged in the upper furnace body (5), a feeding port (14) and a discharging port (15) are respectively arranged at two ends of the lower furnace chamber (16), the upper heating lamp tube (6) is uniformly distributed in the upper furnace chamber (19), the lower heating lamp tube (7) is uniformly distributed in the lower furnace chamber (16), and the controller (2) is respectively connected with the driving motor (3, The upper heating lamp tube (6) is connected with the lower heating lamp tube (7); the method is characterized in that: a synchronous transmission shaft (8) is fixedly arranged on the rack (1) through a corresponding bearing seat, and a driving shaft of the driving motor (3) is connected with the middle part of the synchronous transmission shaft (8) through a third transmission belt (18) for transmission; a first transmission shaft (13) and a second transmission shaft (10) are fixedly arranged on the side walls of the lower furnace body (4) at two sides of the lower furnace chamber (16) through corresponding bearing seats respectively, the first transmission shaft (13) and the second transmission shaft (10) are uniformly distributed along the central axis of the lower furnace chamber (16), each first transmission shaft (13) is symmetrically arranged with the second transmission shaft (10) matched with the first transmission shaft, all the first transmission shaft (13) and the second transmission shaft (10) are positioned on the same horizontal plane, the inner end parts of the first transmission shaft (13) and the second transmission shaft (10) are conical, and the distance between the inner end parts of the first transmission shaft (13) and the second transmission shaft (10) is matched with the width of the solar cell (17); the outer end parts of the first transmission shaft (13) and the second transmission shaft (10) are respectively provided with two synchronous belt wheels (11), two ends of each synchronous transmission shaft (8) are respectively connected with the first transmission shaft (13) close to the feed port (14) and the synchronous belt wheels (11) on the second transmission shaft (10) through corresponding second transmission belts (9) for transmission, the synchronous belt wheels (11) on the adjacent first transmission shaft (13) are connected with one another through corresponding first transmission belts (12) for transmission, and similarly, the synchronous belt wheels (11) on the adjacent second transmission shaft (10) are also connected with one another through corresponding first transmission belts (12) for transmission.
2. The two-roll symmetrical synchronous drive solar cell sintering furnace of claim 1, wherein: the controller (2) is fixedly arranged on the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020170096.7U CN211503665U (en) | 2020-02-14 | 2020-02-14 | Double-roller symmetrical synchronous transmission type solar cell sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020170096.7U CN211503665U (en) | 2020-02-14 | 2020-02-14 | Double-roller symmetrical synchronous transmission type solar cell sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211503665U true CN211503665U (en) | 2020-09-15 |
Family
ID=72401624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020170096.7U Withdrawn - After Issue CN211503665U (en) | 2020-02-14 | 2020-02-14 | Double-roller symmetrical synchronous transmission type solar cell sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211503665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102833A (en) * | 2020-02-14 | 2020-05-05 | 山东驰蓝自动化设备有限公司 | Double-roller symmetrical synchronous transmission type solar cell sintering furnace |
-
2020
- 2020-02-14 CN CN202020170096.7U patent/CN211503665U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102833A (en) * | 2020-02-14 | 2020-05-05 | 山东驰蓝自动化设备有限公司 | Double-roller symmetrical synchronous transmission type solar cell sintering furnace |
| CN111102833B (en) * | 2020-02-14 | 2024-05-31 | 山东驰蓝自动化设备有限公司 | Double-roller symmetrical synchronous transmission type solar cell sintering furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112289895B (en) | N-type efficient solar cell and preparation method thereof | |
| CN211503665U (en) | Double-roller symmetrical synchronous transmission type solar cell sintering furnace | |
| CN105140347B (en) | Quickly improve mass production device and its using method of p-type crystal silicon battery photo attenuation | |
| CN102024870B (en) | System and method for manufacturing semiconductor thin film solar cell | |
| CN107199383A (en) | A kind of welding method of photovoltaic string welding machine and battery strings | |
| CN105322046B (en) | A kind of device and method for being passivated to crystalline silicon | |
| CN204966525U (en) | Improve volume production device of photic decay of P type crystal silicon battery fast | |
| CN101425549B (en) | Crystalline silicon solar cell inactivating and emitter (PN junction) producing technique | |
| CN111102833B (en) | Double-roller symmetrical synchronous transmission type solar cell sintering furnace | |
| CN115070150A (en) | Online three-cavity vacuum welding furnace and vacuum welding process | |
| CN109616543A (en) | Solar battery sheet diffusion technique | |
| CN207121658U (en) | A kind of hot oxygen annealing furnace of roller bed type | |
| CN206098426U (en) | Be used for thin -film solar cell continuous annealer | |
| CN107560442A (en) | A kind of anti-light stove cooling systems that decline of LED | |
| CN111735299A (en) | A integrative stove of solidification passivation for solar cell production | |
| CN105908260A (en) | Diffusion furnace for crystalline silicon solar cells | |
| CN112071953A (en) | Method and device for preparing passivated contact solar cell by plate-type equipment | |
| CN106784136A (en) | A kind of light decay device | |
| CN110707180A (en) | HIT or HJT process curing and hydrogen passivation integrated machine for solar cell | |
| CN206925421U (en) | A kind of photovoltaic string welding machine | |
| CN114351122B (en) | Carrier plate transmission lifting system for heterojunction CVD equipment | |
| CN212339925U (en) | A integrative stove of solidification passivation for solar cell production | |
| CN110981210B (en) | Photovoltaic glass anti-reflection strengthening continuous production device and method | |
| CN214327881U (en) | Cavity structure of tubular PECVD equipment | |
| CN210110824U (en) | Production line of laser SE battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200915 Effective date of abandoning: 20240531 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200915 Effective date of abandoning: 20240531 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |