CN216049183U - Diffusion device for monocrystalline silicon in solar cell production - Google Patents
Diffusion device for monocrystalline silicon in solar cell production Download PDFInfo
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- CN216049183U CN216049183U CN202122194098.7U CN202122194098U CN216049183U CN 216049183 U CN216049183 U CN 216049183U CN 202122194098 U CN202122194098 U CN 202122194098U CN 216049183 U CN216049183 U CN 216049183U
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- heating furnace
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- cell production
- monocrystalline silicon
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Abstract
The utility model discloses a diffusion device for monocrystalline silicon in solar cell production, and particularly relates to the technical field of solar cell production, wherein the diffusion device comprises a heating furnace box, wherein a discharging mechanism is arranged at the bottom end of the heating furnace box; discharge mechanism is including setting up the spill frame of heating furnace bottom of the case portion, the inside transmission lead screw that is provided with of spill frame, transmission lead screw one end is connected with the rotary rod, servo motor is installed to rotary rod one end, the outside cover of transmission lead screw is equipped with the rotation spiro, it is provided with the promotion extension board to rotate the spiro top, it installs a plurality of frames of placing to promote the extension board top. According to the utility model, the discharging mechanism is arranged, the transmission screw rod rotates, the transmission screw rod drives the rotation spiral ring to move to one side under the action of the threads, the rotation spiral ring drives the moving support plate to move to one side, the operation space is larger, the taking-out is convenient, the hands of staff are not easily scalded due to low external temperature, and the device is safer and has better practicability.
Description
Technical Field
The utility model relates to the technical field of solar cell production, in particular to a diffusion device for monocrystalline silicon in solar cell production.
Background
The single crystal silicon solar cell is a solar cell which takes a high-purity single crystal silicon rod as a raw material and is developed fastest at present. The structure and the production process are established, the product is widely used for space and ground, a solar cell is processed, firstly doping and diffusion are carried out on a silicon wafer, generally, the doping is trace boron, phosphorus, antimony and the like, and then a diffusion device is used for carrying out diffusion operation, so that P & gtN junctions are formed on the silicon wafer.
Among the prior art, after diffusing monocrystalline silicon, need the manual work to utilize the instrument to take out the operation to monocrystalline silicon, because the device inner space is little, press from both sides and get very inconvenient, and the high temperature causes staff's hand scald very easily in the stove, is not convenient for take out, and the practicality is poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the embodiment of the utility model provides the diffusion device for monocrystalline silicon in solar cell production, through the arrangement of the discharging mechanism, a plurality of diffusion monocrystalline silicon can be moved out of the heating furnace box and directly taken outside, the operation space is larger, the diffusion monocrystalline silicon can be conveniently taken out, the external temperature is low, the hands of workers are not easily scalded, the device is safer, the practicability is better, and the problems in the background art are solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a diffusion device for monocrystalline silicon in solar cell production comprises a heating furnace box, wherein a discharging mechanism is arranged at the bottom end of the heating furnace box;
discharge mechanism is including setting up the spill frame of heating furnace bottom of the case portion, the inside transmission lead screw that is provided with of spill frame, transmission lead screw one end is connected with the rotary rod, servo motor is installed to rotary rod one end, the outside cover of transmission lead screw is equipped with the rotation spiro, it is provided with the promotion extension board to rotate the spiro top, promote the extension board top and install a plurality of frames of placing, adjacent two are placed and are provided with a plurality of support columns between the frame, place the frame bottom and seted up a plurality of radiating grooves, heating furnace top of the case portion is provided with heat preservation mechanism.
In a preferred embodiment, a fixing bracket is connected to the top end of the servo motor, and the fixing bracket and the servo motor are fixed through welding.
In a preferred embodiment, a sealing door is arranged on one side of the heating furnace box, the sealing door is hinged with the heating furnace box, and two electric heating plates are arranged at the bottom end of the inner wall of the heating furnace box.
In a preferred embodiment, the heat preservation mechanism comprises a first electric control valve arranged at the top end of the heating furnace box, a heat conduction pipe is arranged at the top end of the first electric control valve, one end of the heat conduction pipe is connected with the heat preservation box, an output fan is installed at the bottom end of the heat preservation box, and the output end of the output fan is connected with a second electric control valve.
In a preferred embodiment, two supporting frames are arranged on two sides of the concave frame, and the supporting frames are fixedly connected with the concave frame.
In a preferred embodiment, the rotating rod is fixedly connected with the transmission screw rod, and the transmission screw rod is connected with the inner wall of the rotating spiral ring through threads.
In a preferred embodiment, the supporting column and the placing frame are fixed by welding, and the cross section of the heat dissipation groove is rectangular.
The utility model has the technical effects and advantages that:
1. through the arrangement of the discharging mechanism, the transmission screw rod rotates, the transmission screw rod drives the rotation spiral ring to move to one side under the action of the threads, the rotation spiral ring drives the moving support plate to move to one side, the moving support plate drives the placing frame to enable the support column to move to one side, the plurality of diffusion monocrystalline silicon are moved out of the heating furnace box and directly taken outside, the operation space is larger, the diffusion monocrystalline silicon can be conveniently taken out, the hands of staff are not easily scalded due to low external temperature, the heating furnace box is safer, and the practicability is better;
2. through setting up heat preservation mechanism, after the diffusion, first electric control valve makes hot-air begin to introduce into the heat pipe, when needs heat, can open second electric control valve, starts the output fan and leads into the heating furnace incasement fast with hot-air, can energy saving like this, and is more energy-conserving, reduction in production cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic rear perspective view of the present invention.
FIG. 3 is a schematic view of the overall cross-sectional structure of the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.
The reference signs are: 1. heating the furnace box; 2. a concave frame; 3. a transmission screw rod; 4. rotating the rod; 5. a servo motor; 6. a rotating toroid; 7. pushing the support plate; 8. placing the frame; 9. a support pillar; 10. a heat sink; 11. a stabilizing bracket; 12. a sealing door; 13. a first electrically controlled valve; 14. a heat conducting pipe; 15. a heat preservation box; 16. an output fan; 17. a second electrically controlled valve; 18. a support frame; 19. the plate is electrically heated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The diffusion device for monocrystalline silicon in solar cell production, as shown in the attached figures 1-4, comprises a heating furnace box 1, wherein a discharging mechanism is arranged at the bottom end of the heating furnace box 1;
discharge mechanism is including setting up spill frame 2 in 1 bottom of heating furnace case, the inside transmission lead screw 3 that is provided with of spill frame 2, 3 one end of transmission lead screw are connected with rotary rod 4, servo motor 5 is installed to rotary rod 4 one end, the outside cover of transmission lead screw 3 is equipped with rotates the spiro 6, it is provided with promotion extension board 7 to rotate 6 tops of spiro, promote the extension board 7 top and install a plurality of frames 8 of placing, adjacent two are placed and are provided with a plurality of support columns 9 between the frame 8, place the frame 8 bottom and seted up a plurality of radiating grooves 10, 1 top of heating furnace case is provided with heat preservation mechanism.
As shown in the attached drawing 2, the top end of the servo motor 5 is connected with a stabilizing support 11, the stabilizing support 11 and the servo motor 5 are fixed through welding, so that the servo motor 5 is supported and stabilized through a stabilizing support rod, and the servo motor 5 can keep stable operation in the using process.
As shown in fig. 1 and 3, a sealing door 12 is provided at one side of the heating furnace box 1, and the sealing door 12 is hinged with the heating furnace box 1, so that the sealing door 12 can be opened to place a single crystal silicon plate, thereby performing a heating operation to achieve a sealing effect.
As shown in fig. 1, 2 and 3, the heat preservation mechanism includes a first electric control valve 13 disposed at the top end of the heating furnace box 1, a heat conduction pipe 14 is disposed at the top end of the first electric control valve 13, a heat preservation box 15 is connected to one end of the heat conduction pipe 14, an output fan 16 is installed at the bottom end of the heat preservation box 15, and a second electric control valve 17 is connected to the output end of the output fan 16, so that when diffusion is finished, the first electric control valve 13 is opened to start hot air to be introduced into the heat conduction pipe 14 and enter the heat preservation box 15 along the heat conduction pipe 14, the first electric control valve 13 is closed to store the hot air in the heat preservation box 15, when heating is needed, the second electric control valve 17 can be opened, and the output fan 16 is started to quickly introduce the hot air into the heating furnace box 1, which can save energy consumption.
As shown in fig. 1, two supporting frames 18 are disposed on two sides of the concave frame 2, and the supporting frames 18 are fixedly connected with the concave frame 2, so that the supporting frames 18 support and stabilize the heating furnace box 1, and the stability of the heating furnace box 1 is maintained.
As shown in the attached figures 3 and 4, the rotating rod 4 is fixedly connected with the transmission screw rod 3, the transmission screw rod 3 is connected with the inner wall of the rotating spiral ring 6 through threads, two electric heating plates 19 are arranged at the bottom end of the inner wall of the heating furnace box 1, so that the rotating rod 4 drives the transmission screw rod 3 to rotate, the transmission screw rod 3 drives the rotating spiral ring 6 to move under the action of the threads, and the electric heating operation is carried out through the electric heating plates 19,
as shown in fig. 3, the supporting columns 9 and the placing frames 8 are fixed by welding, and the cross sections of the heat dissipation grooves 10 are rectangular, so that the placing frames 8 can be connected more firmly, and the heat dissipation grooves 10 can dissipate heat or accelerate heating efficiency during heating.
The working principle of the utility model is as follows: when the single crystal silicon diffusion furnace is used, the surface of single crystal silicon can be brushed with trace boron as an adulterant, then the single crystal silicon diffusion furnace is placed on the placing frame 8 in a layer, the heating furnace box 1 is enabled to be heated, after diffusion is completed, the sealing door 12 can be opened, the servo motor 5 is started to drive the rotary rod 4 to rotate, the rotary rod 4 drives the transmission screw rod 3 to rotate, the transmission screw rod 3 drives the rotation spiral ring 6 to move to one side under the action of threads, the rotation spiral ring 6 drives the moving support plate to move to one side, the moving support plate drives the placing frame 8 to enable the support column 9 to move to one side, and therefore a plurality of diffusion single crystal silicon can be moved out of the heating furnace box 1, and the taking out is safer.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a diffusion equipment of monocrystalline silicon in solar cell production, includes heating furnace case (1), its characterized in that: the bottom end of the heating furnace box (1) is provided with a discharging mechanism;
discharge mechanism is including setting up spill frame (2) of heating furnace case (1) bottom, the inside transmission lead screw (3) that is provided with of spill frame (2), transmission lead screw (3) one end is connected with rotary rod (4), servo motor (5) are installed to rotary rod (4) one end, the outside cover of transmission lead screw (3) is equipped with rotates volution (6), it is provided with promotion extension board (7) to rotate volution (6) top, promote extension board (7) top and install a plurality of frames (8) of placing, adjacent two are placed and are provided with a plurality of support columns (9) between frame (8), it has seted up a plurality of radiating grooves (10) to place frame (8) bottom, heating furnace case (1) top is provided with heat preservation mechanism.
2. The diffusion device of monocrystalline silicon in solar cell production according to claim 1, characterized in that: the servo motor (5) top is connected with firm support (11), firm support (11) with fix through the welding between servo motor (5).
3. The diffusion device of monocrystalline silicon in solar cell production according to claim 1, characterized in that: one side of the heating furnace box (1) is provided with a sealing door (12), the sealing door (12) is hinged with the heating furnace box (1), and the bottom end of the inner wall of the heating furnace box (1) is provided with two electric heating plates (19).
4. The diffusion device of monocrystalline silicon in solar cell production according to claim 1, characterized in that: the heat preservation mechanism comprises a first electric control valve (13) arranged at the top end of the heating furnace box (1), a heat conduction pipe (14) is arranged at the top end of the first electric control valve (13), one end of the heat conduction pipe (14) is connected with the heat preservation box (15), an output fan (16) is installed at the bottom end of the heat preservation box (15), and the output end of the output fan (16) is connected with a second electric control valve (17).
5. The diffusion device of monocrystalline silicon in solar cell production according to claim 1, characterized in that: two supporting frames (18) are arranged on two sides of the concave frame (2), and the supporting frames (18) are fixedly connected with the concave frame (2).
6. The diffusion device of monocrystalline silicon in solar cell production according to claim 1, characterized in that: the rotary rod (4) is fixedly connected with the transmission screw rod (3), and the transmission screw rod (3) is connected with the inner wall of the rotary spiral ring (6) through threads.
7. The diffusion device of monocrystalline silicon in solar cell production according to claim 1, characterized in that: the support column (9) with place and fix through the welded mode between the frame (8), radiating groove (10) cross sectional shape sets up to the rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122194098.7U CN216049183U (en) | 2021-09-11 | 2021-09-11 | Diffusion device for monocrystalline silicon in solar cell production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122194098.7U CN216049183U (en) | 2021-09-11 | 2021-09-11 | Diffusion device for monocrystalline silicon in solar cell production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216049183U true CN216049183U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202122194098.7U Active CN216049183U (en) | 2021-09-11 | 2021-09-11 | Diffusion device for monocrystalline silicon in solar cell production |
Country Status (1)
| Country | Link |
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| CN (1) | CN216049183U (en) |
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2021
- 2021-09-11 CN CN202122194098.7U patent/CN216049183U/en active Active
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