CN214426412U - Thermal reaction furnace adopting modular design and solar cell production equipment - Google Patents
Thermal reaction furnace adopting modular design and solar cell production equipment Download PDFInfo
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- CN214426412U CN214426412U CN202120372770.4U CN202120372770U CN214426412U CN 214426412 U CN214426412 U CN 214426412U CN 202120372770 U CN202120372770 U CN 202120372770U CN 214426412 U CN214426412 U CN 214426412U
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Abstract
The application provides an adopt thermal reaction stove and solar cell production facility of modular design, the thermal reaction stove is used in solar cell's production, and it includes the furnace body module, can dismantle the setting along the fore-and-aft direction and be in another furnace body module or functional module on the furnace body module, the furnace body module includes the furnace body, is used for the installation the frame of furnace body, be formed with the transmission path who runs through around in the furnace body, solar cell can follow transmission path conveys to another furnace body module or functional module. The thermal reaction furnace and the solar cell production equipment adopt the furnace body module with the modular design, so that different production processes and field assembly requirements can be better met, and the design and production cost is reduced.
Description
Technical Field
The utility model relates to a photovoltaic production technical field, in particular to adopt thermal reaction stove and solar cell production facility of modular design.
Background
At present, the crystalline silicon solar cell is still the most important photovoltaic product for domestic and foreign market application due to low raw material cost and relatively mature technology. With the rapid development of the photovoltaic industry, the industry is also continuously researching and designing the structure, process and equipment of the battery so as to improve the conversion efficiency of the battery and better meet the market demand.
For the HJT battery, the HJT battery has the advantages of high conversion efficiency, low light attenuation, low temperature coefficient and the like, can also effectively reduce energy consumption and emission, and is an ideal battery product. The production process of the HJT battery is greatly different from the traditional crystalline silicon battery, large-scale production and application are not started until recently, the specific preparation process is still in the process of continuous optimization and improvement, and for example, the specific process time, temperature, irradiation intensity and the like of battery drying, curing and passivation are always greatly different; considering the space and the assembly requirement of the installation site, the related devices are usually customized, the cost is high, and the supply period is long.
In view of the above, there is a need for a new thermal reactor and solar cell production equipment with a modular design.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adopt thermal reaction stove and solar cell production facility of modularized design, can satisfy different production technology and on-the-spot assembly demand better, reduce design and manufacturing cost.
In order to realize the above utility model purpose, this application provides an adopt thermal reaction stove of modular design for solar cell's production, it includes the furnace body module, can dismantle the setting along the fore-and-aft direction and be in another furnace body module or functional module on the furnace body module, the furnace body module includes the furnace body, is used for the installation the frame of furnace body, be formed with the transmission path who runs through around in the furnace body, solar cell can follow transmission path conveys to another furnace body module or functional module.
As a further improvement of the embodiment of the application, the furnace body module is still including installing transmission device in the frame, transmission device includes a plurality of front and back roller of arranging in proper order, along transversely being close to the backup pad that the furnace body outside set up and installing axle sleeve in the backup pad, the roller includes the roller main part, sets up the end of roller main part just along transversely extending surpassing the back shaft of furnace body, the back shaft is worn to locate in the axle sleeve.
As the further improvement of this application embodiment, the furnace body includes lower furnace body and last furnace body of relative setting, the furnace body includes the diapire down and along the lower lateral wall of horizontal relative setting down, it has the roof and along the last lateral wall of horizontal relative setting to go up the furnace body, it follows vertical direction looks butt with lower lateral wall to go up the lateral wall, lower lateral wall is formed with and is used for the installation the mounting groove of roller, the mounting groove is highly greater than along vertical direction's setting the diameter of roller.
As a further improvement of the embodiment of the present application, the transportation device further includes a carrier fixed on the roller body and used for supporting the solar cell, or the roller body protrudes in the radial direction to form a protrusion for supporting the solar cell.
As a further improvement of the embodiment of the application, the rack of the furnace body module is detachably fixed on the other rack of the furnace body module along the front-back direction, and the furnace bodies of the furnace body module are arranged at intervals.
As a further improvement of the embodiment of the application, the conveying channel is provided with at least two conveying rails which are sequentially arranged along the transverse direction, so that the synchronous conveying of two or more solar cells is realized.
As a further improvement of the embodiment of the present application, the thermal reaction furnace further includes a control device disposed on one of the furnace body modules, and the control device is configured to control operation of at least two of the furnace body modules, or at least two of the furnace body modules are respectively provided with mutually independent control devices.
The application also provides solar cell production equipment which is provided with a curing area and a passivation area which are adjacently arranged in the front and back, wherein the curing area and/or the passivation area adopt the thermal reaction furnace.
As a further improvement of the embodiment of the application, the curing zone comprises at least two furnace body modules which are spliced with each other, a heating device is arranged in the furnace body, and the furnace body modules further comprise an exhaust device communicated with the transmission channel; and the exhaust device of at least one furnace body module is also connected with a waste gas treatment device.
As a further improvement of the embodiment of the application, the passivation area comprises at least two furnace body modules which are spliced with each other, an irradiation light source is arranged in the furnace body, and a cooling device is further connected and arranged at the rear end of each furnace body module.
The beneficial effect of this application is: adopt this application thermal reaction stove and solar cell production facility, through the concatenation equipment of furnace body module can satisfy different production technology and on-the-spot assembly demand better, also reduces design and manufacturing cost, shortens shipment cycle.
Drawings
Fig. 1 is a schematic view of the overall structure of a solar cell production apparatus of the present application;
FIG. 2 is a schematic view of a part of the structure of the solar cell production apparatus of the present application;
FIG. 3 is a schematic view of the principal constitution of a furnace body module of the solar cell production apparatus of the present application;
FIG. 4 is a schematic view of a part of the structure of a furnace module of the solar cell production apparatus of the present application;
FIG. 5 is an exploded view of a portion of the furnace module of FIG. 4;
FIG. 6 is a cross-sectional view of a portion of the furnace module of FIG. 4 taken along the A-A direction;
fig. 7 is an enlarged schematic view of the region S in fig. 6.
100-solar cell production equipment; 101-a curing zone; 102-a passivation region; 103-a feeding module; 104-a blanking module; 10-a furnace body module; 1-a frame; 2-furnace body; 21-lower furnace body; 211-a bottom wall; 212-lower side wall; 213-mounting groove; 22-upper furnace body; 221-top wall; 222-an upper sidewall; 3-a transmission device; 31-a roll shaft; 311-roller body; 312-support shaft; 3121-a connecting portion; 3122-a support; 32-a carrier; 33-a support plate; 34-a shaft sleeve; 35-a drive shaft; 36-a drive wheel; 37-a transmission wheel; 4-heating a tube; 5, a fan; 6-a combustion tower; 71-an irradiation light source; 72-a power supply; 8-a cooling device; 200-solar cell.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and the structural, method, or functional changes made by those skilled in the art according to the embodiment are all included in the scope of the present invention.
The application provides an adopt modular design's hot reacting furnace, hot reacting furnace can be drying oven, curing oven, passivation furnace, annealing stove. Referring to fig. 1, a solar cell production apparatus 100 provided by the present application is shown, which has a curing zone 101 and a passivation zone 102 disposed adjacent to each other in a front-back manner, and the curing zone 101 and/or the passivation zone 102 can be a thermal reaction furnace as described above.
As shown in fig. 2 to 7, the curing zone 101 is the thermal reaction furnace, and includes at least two furnace body modules 10 that are spliced with each other, and a heating device is disposed in the furnace body 2. Each furnace body module 10 comprises a frame 1, a furnace body 2 and a transmission device 3 which are arranged on the frame 1. The furnace body 2 is provided with a front-back through transmission channel, and the transmission channels of the adjacent furnace body modules 10 correspond to each other along the front-back direction. As shown in fig. 3, the heating device includes a heating tube 4 disposed in the conveying passage, and the heating tube 4 preferably extends in a transverse direction. The curing area 101 refers to a section where the corresponding conductive paste is dried and cured at a low temperature, the curing area 101 is divided into a plurality of different temperature areas along the front and back direction, and each temperature area is provided with a corresponding temperature measuring device and a heating pipe 4 which is relatively independently controllable, so that the temperature of the curing area 101 can be conveniently adjusted. The heating device can also adopt other heat sources such as heating wires, xenon lamps and the like, and the details are not repeated.
In practical application, two or more furnace body modules 10 can be selected for splicing and assembling according to the process and installation requirements of non-manufacturers, independent design is not needed, and design and production cost is greatly reduced. The furnace body modules 10 are preferably configured in the same specification, and based on the above idea, two or more furnace body modules 10 with given specifications can be developed to further meet different production requirements. Specifically, the frame 1 of the furnace body module 10 is detachably fixed on the frame 1 of another furnace body module 10 along the front-back direction, and the furnace bodies 2 adjacent to the furnace body module 10 are arranged at intervals.
Referring to fig. 4 to 7 again, the conveying device 3 includes a plurality of roller shafts 31 sequentially arranged in a front-back direction and transversely penetrating through the furnace body 2, and the roller shafts 31 are rotatably disposed relative to the furnace body 2 to convey the solar cells 200 from the front end of the conveying channel to the rear end of the conveying channel. The roll shaft 31 includes a roll shaft body 311, a support shaft 312 provided at an end of the roll shaft body 311 and extending beyond the furnace body 2 in a lateral direction, the roll shaft body 311 being generally made of a ceramic material; the supporting shaft 312 is made of metal or alloy material. Here, the bearing member 32 for supporting the solar cell 200 is sleeved on the roller shaft main body 311, and the bearing member 32 is preferably made of high-temperature resistant rubber or resin material, so that damage to the solar cell 200 during transportation is reduced through flexible contact; the carrier 32 may also be made of metal, ceramic, etc., and particularly, the carrier 32 may also be integrally provided with the roller shaft main body 311, in other words, the roller shaft main body 311 is radially protruded to form a protrusion (not shown) for supporting the solar cell 200.
Here, the transfer passage has at least two transfer rails arranged in sequence in a transverse direction to achieve synchronous transfer of two or more solar cells 200. The conveying device 3 further comprises a supporting plate 33 which is arranged adjacent to the outer side of the furnace body 2 along the transverse direction and is used for supporting the roller shaft 31, and a shaft sleeve 34 which is arranged on the supporting plate 33, wherein the supporting shaft 312 penetrates through the shaft sleeve 34. Specifically, the support shaft 312 includes a connecting portion 3121 connected to a distal end of the roller shaft main body 311 and a supporting portion 3122 extending from the connecting portion 3121 toward a side away from the roller shaft main body 311, the roller shaft main body 311 and the connecting portion 3121 are fixed by mutually matching threads, and the supporting portion 3122 passes through the bushing 34. The transmission device 3 further comprises a driving shaft 35 arranged beside the furnace body 2 and extending along the front-back direction, a driving wheel 36 arranged on the driving shaft 35, and a transmission wheel 37 arranged at the tail end of the roller shaft 31 and matched with the driving wheel 36. In other embodiments of the present application, the transmission wheel 37 can also be driven by a belt connected to the driving shaft 35, which is not described in detail herein.
The furnace body module 10 further comprises an exhaust device communicated with the transmission channel, and the exhaust device mainly comprises a fan 5 arranged above the furnace body 2; at least one of the furnace modules 10 is also provided with an exhaust gas treatment device in a connected manner, the exhaust gas treatment device mainly comprises a combustion tower 6 arranged at the top of the corresponding furnace module 10, and the combustion tower 6 is usually arranged above the furnace module 10 at the foremost end of the curing zone 201. The solvent volatilized from the surface of the solar cell 200 enters the combustion tower 5 along with the airflow under the action of the corresponding exhaust device, and is exhausted outwards after the combustion is finished in the combustion tower 5, so that the environmental pollution is reduced. In addition, for the furnace body module 10 close to the passivation area 102, the organic components in the conductive slurry are basically volatilized, and the gas exhausted by the exhaust device has low content of the organic components, and can also be directly connected to an external pipeline for exhausting.
The furnace body 2 comprises a lower furnace body 21 and an upper furnace body 22 which are oppositely arranged along the vertical direction, the lower furnace body 21 comprises a bottom wall 211 and a lower side wall 212 which is oppositely arranged along the transverse direction, the upper furnace body 22 is provided with a top wall 221 and an upper side wall 222 which is oppositely arranged along the transverse direction, and the upper side wall 222 is abutted with the lower side wall 212 along the vertical direction to form a heat preservation furnace chamber. Here, the lower sidewall 212 is formed with a mounting groove 213 for mounting the roller shaft 31; the lower edge of the upper side wall 222 is linearly arranged, that is, the upper side wall 222 does not need to perform a slotting design for the installation of the roller shaft 31, thereby reducing the design difficulty and the preparation cost of the upper furnace body 22.
The installation groove 213 is formed to have a height in a vertical direction greater than the diameter of the roller shaft 31, and the installation groove 213 may be generally formed in a U shape. In practical design, considering processing and assembly errors, the installation depth and the width of the installation groove 213 exceed the diameter of the part, penetrating through the lower side wall 212, of the roller shaft 31, so as to ensure that the roller shaft 31 and the lower side wall 212 are in a clearance state and avoid influencing the rotation of the roller shaft 31.
The solar cell production apparatus 100 further includes a control device disposed on one of the furnace modules 10, and the control device is configured to control the operation of at least two of the furnace modules. The control device mainly refers to a man-machine control interface, and electric power and communication connection is required between adjacent furnace body modules 10 so as to realize centralized control and adjustment of different furnace body modules 10. Of course, at least two of the furnace modules 10 may also be provided with mutually independent control devices for a greater ease of field assembly.
The passivation area 102 is provided with a light source system, the light source system includes a plurality of irradiation light sources 71 arranged in sequence along the front-back direction, and a power supply 72 for providing power for the irradiation light sources 71, and as an example, the irradiation light sources 71 may adopt LED lamp panels. The passivation region 102 is divided into a plurality of different regions along the front-back direction, and each region is provided with an irradiation light source 71 which is relatively independently controllable, so that the irradiation intensity of the passivation region 102 can be adjusted conveniently. The rear end of the passivation region 102 is further provided with a cooling device 8, and the cooling device 8 is used for cooling the solar cell 200 which is solidified and passivated.
Besides, the furnace body module 10 adopts a modular design, the thermal reaction furnace may further include functional modules detachably arranged on the furnace body module 10 along the front-back direction, the functional modules mainly include a feeding module 103 and a discharging module 104, and the solar cell 200 may be transferred into the furnace body module 10 from the feeding module 103 and transferred to the discharging module 104 through the transfer channel. With the present embodiment, the feeding module 103 is disposed at the front side of the furnace body module 10 at the foremost end; the blanking module 104 is arranged on the rear side of the cooling device 8. The feeding module 103 can be generally butted with a screen printing machine; the rear part of the blanking module 104 can be butted with a test machine table, so that the automatic continuous production of the solar cell 200 is realized.
In another embodiment of the present application, the passivation region 102 may also adopt the aforementioned thermal reaction furnace, that is, the passivation region 102 includes at least two furnace body modules (not shown) spliced with each other, and an irradiation light source is disposed in the corresponding furnace body to perform irradiation passivation on the solar cell 200. In this case, the cooling device 8 is independently designed and connected to the rear end of one of the furnace modules.
To sum up, the thermal reaction furnace and the solar cell production equipment 100 are spliced through the furnace body module 10 in the modular design to form the corresponding curing area 101 and/or passivation area 102, the structure is simple, the transportation and assembly are more convenient, different process and assembly requirements can be better met, the design and production cost is reduced, and the delivery speed is increased.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A thermal reaction furnace adopting a modular design and used for producing solar cells is characterized in that: the thermal reaction furnace comprises a furnace body module and another furnace body module or functional module which is detachably arranged on the furnace body module along the front-back direction, the furnace body module comprises a furnace body and a rack for mounting the furnace body, a transmission channel which penetrates through the furnace body from front to back is formed in the furnace body, and the solar cell can be conveyed to the other furnace body module or functional module along the transmission channel.
2. The thermal reaction furnace of claim 1, wherein: the furnace body module is characterized by further comprising a transmission device arranged on the rack, the transmission device comprises a plurality of roll shafts arranged in sequence from front to back, a supporting plate arranged on the outer side of the furnace body along the transverse direction and a shaft sleeve arranged on the supporting plate, each roll shaft comprises a roll shaft main body, a supporting shaft arranged at the tail end of the roll shaft main body and extending out of the furnace body along the transverse direction, and the supporting shaft penetrates through the shaft sleeve.
3. The thermal reaction furnace of claim 2, wherein: the furnace body is including the lower furnace body and the last furnace body of relative setting, the furnace body includes diapire and along the lower lateral wall of horizontal relative setting down, it has roof and along the last lateral wall of horizontal relative setting to go up the furnace body, it follows vertical direction looks butt with lower lateral wall to go up the lateral wall, the lower lateral wall is formed with and is used for installing the mounting groove of roller, the mounting groove sets up highly to be greater than along vertical direction the diameter of roller.
4. The thermal reaction furnace of claim 2, wherein: the conveying device further comprises a bearing piece which is fixed on the roller shaft main body and used for supporting the solar cell, or the roller shaft main body is protruded along the radial direction to form a bulge used for supporting the solar cell.
5. The thermal reaction furnace of claim 1, wherein: the frame of the furnace body module is detachably fixed on the frame of the other furnace body module along the front-back direction, and the furnace bodies of the adjacent furnace body modules are arranged at intervals.
6. The thermal reaction furnace of claim 1, wherein: the transmission channel is provided with at least two transmission rails which are sequentially arranged along the transverse direction so as to realize the synchronous transmission of two or more solar cells.
7. The thermal reaction furnace of claim 1, wherein: the thermal reaction furnace also comprises a control device arranged on one furnace body module, wherein the control device is used for controlling the operation of at least two furnace body modules, or the at least two furnace body modules are respectively provided with mutually independent control devices.
8. A solar cell production apparatus characterized in that: the solar cell production equipment is provided with a curing area and a passivation area which are arranged adjacently in front and back, and the curing area and/or the passivation area adopt the thermal reaction furnace as claimed in any one of claims 1 to 7.
9. The solar cell production apparatus according to claim 8, characterized in that: the curing area comprises at least two furnace body modules which are spliced with each other, a heating device is arranged in the furnace body, and the furnace body modules further comprise an exhaust device communicated with the transmission channel; and the exhaust device of at least one furnace body module is also connected with a waste gas treatment device.
10. The solar cell production apparatus according to claim 8, characterized in that: the passivation area comprises at least two furnace body modules which are spliced with each other, an irradiation light source is arranged in the furnace body, and a cooling device is further connected and arranged at the rear end of one of the furnace body modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120372770.4U CN214426412U (en) | 2021-02-10 | 2021-02-10 | Thermal reaction furnace adopting modular design and solar cell production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120372770.4U CN214426412U (en) | 2021-02-10 | 2021-02-10 | Thermal reaction furnace adopting modular design and solar cell production equipment |
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| CN214426412U true CN214426412U (en) | 2021-10-19 |
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| CN202120372770.4U Active CN214426412U (en) | 2021-02-10 | 2021-02-10 | Thermal reaction furnace adopting modular design and solar cell production equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118089385A (en) * | 2024-04-24 | 2024-05-28 | 苏州沃特维自动化系统有限公司 | Heat-preservation energy-saving type chain rod type solar cell sintering furnace |
-
2021
- 2021-02-10 CN CN202120372770.4U patent/CN214426412U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118089385A (en) * | 2024-04-24 | 2024-05-28 | 苏州沃特维自动化系统有限公司 | Heat-preservation energy-saving type chain rod type solar cell sintering furnace |
| CN118089385B (en) * | 2024-04-24 | 2024-07-12 | 苏州沃特维自动化系统有限公司 | Heat-preservation energy-saving type chain rod type solar cell sintering furnace |
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Address after: 215000 1st floor, North building, No. 5 ganglang Road, Suzhou Industrial Park, Jiangsu Province Patentee after: Suzhou bingri Technology Co.,Ltd. Address before: Floor 1, building 4, No. 69, Qunxing 2nd Road, Suzhou Industrial Park, Jiangsu Province, 215000 Patentee before: Suzhou bingri Technology Co.,Ltd. |