CN219496862U - Device for on-line detecting front grooving of solar cell - Google Patents
Device for on-line detecting front grooving of solar cell Download PDFInfo
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- CN219496862U CN219496862U CN202221430789.0U CN202221430789U CN219496862U CN 219496862 U CN219496862 U CN 219496862U CN 202221430789 U CN202221430789 U CN 202221430789U CN 219496862 U CN219496862 U CN 219496862U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to a device for detecting front slotting of a solar cell on line, which comprises a laser driving module, an image acquisition module and a conveyor belt for conveying the solar cell, wherein the conveyor belt and the image acquisition module are respectively connected with the laser driving module; the laser driving module is arranged on the image acquisition module and provides a light supplementing light source for the image acquisition module, and the image acquisition module is fixed above the conveyor belt. According to the utility model, the passing solar cell is supplemented with light by the laser, the camera shoots an image, the laser and the cell form a certain angle, and the groove can be clearly shot when the relative position of the laser and the cell is the angle. In addition, the utility model provides the method for detecting the front notch of the solar cell on line without stopping the solar cell, which can effectively improve the production efficiency of the solar cell.
Description
Technical Field
The utility model belongs to the technical field of solar cells, and particularly relates to a device for detecting front slotting of a solar cell on line.
Background
Along with the increasing severe world energy shortage crisis, finding new energy sources has become a social hotspot, and among various new energy sources, solar power generation has the advantages of no pollution, sustainability, large total amount, wide distribution and various utilization forms, and has become a key development object of the society at the present stage; with the development of the photovoltaic industry, solar energy is widely used in various fields as a renewable and pollution-free novel energy source, so that the demand for solar cells is also increasing.
In the development process of the solar cell, the production yield is improved, the production efficiency is improved, the photoelectric conversion efficiency of the finished product is ensured, and the cost is reduced, so that the development of the solar cell industry is promoted; for the photovoltaic power generation cost, the improvement of the photoelectric conversion efficiency is to reduce the cost per watt of the solar photovoltaic power generation, so that the high photoelectric conversion efficiency of the solar cell is always a target pursued by people; the Selective Emitter (SE) technology represents an important direction of the industrialized development of the future high-efficiency crystalline silicon solar cell, and the solar cell selective emitter laser doping technology reduces the contact resistance between a metal electrode and silicon, so that short-circuit current, open-circuit voltage and filling factor are improved well, and the photoelectric conversion efficiency of the solar cell is improved effectively. However, in the industrial production process, the laser doped scribing can cause the defect and the offset of the grooves of the solar cell due to a plurality of factors such as equipment abrasion, and the photoelectric conversion efficiency can be influenced.
In the related art, in a conventional production line of solar cells, a conventional detection method for detecting a front slot of a cell is generally to use an area array camera and a plurality of light supplementing units to detect, and the cell needs to be stopped during detection, so that the cell cannot be shot and detected in the production line of the cell along with the moving speed of the cell in the production process, and the detection accuracy is low and the production efficiency of the solar cell is reduced.
Disclosure of Invention
In view of the above, the present utility model aims to overcome the defects of the prior art, and provide a device for online detecting front slotting of a solar cell, so as to solve the problems of low detection rate and reduced productivity of the conventional solar cell.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an apparatus for on-line detection of front side slotting of a solar cell, comprising: the device comprises a laser driving module, an image acquisition module and a conveyor belt for conveying battery pieces, wherein the conveyor belt and the image acquisition module are respectively connected with the laser driving module;
the laser driving module is arranged on the image acquisition module and provides a light supplementing light source for the image acquisition module, the light supplementing light source and the battery piece are arranged at a preset angle, and the image acquisition module is fixed above the conveyor belt.
Further, the laser driving module includes:
the laser device comprises a first shell, a laser component, a heat sink radiating fin, a refrigerating fin, a radiator and a control circuit board, wherein the first shell is internally provided with the laser component, the heat sink radiating fin, the refrigerating fin, the radiator and the control circuit board in sequence; the laser component and the radiator are connected with the control circuit board;
the laser device comprises a laser component, a heat sink radiating fin, a refrigerating fin, heat conduction silicone grease, a heat sink radiating fin and a radiator, wherein the heat conduction silicone grease is filled between the laser component and one surface of the heat sink radiating fin, the heat sink radiating fin is detachably connected with the radiator, the refrigerating fin is arranged between the heat sink radiating fin and the radiator, a cold surface of the refrigerating fin is tightly attached to the heat sink radiating fin, and a hot surface of the refrigerating fin is tightly attached to the radiator.
Further, a plurality of fans are arranged in the radiator.
Further, the image acquisition module includes: the second shell and the laser shade are fixedly installed through fixing hole sites;
the second shell is provided with an industrial linear array camera and a camera lens; a laser lens is arranged below the camera lens;
an optical window is arranged at the front end of the laser shade;
the central connecting line of the fixed hole site is parallel to the conveying belt of the battery piece.
Further, an optical film is arranged on the inner side of the optical window and used for denoising the laser.
Further, the image acquisition module further includes: the angle adjusting bracket is connected with the second shell through an adjustable waist round hole;
the laser lens and the laser shade are arranged on the angle adjusting bracket.
Further, the first housing is provided with:
the optical fiber locking connector is used for connecting optical fibers.
Further, still be equipped with in the first casing outside:
and the aviation plug is used for connecting the control circuit board and an external power supply.
Further, a plurality of detachable foot pads are further arranged at the bottom of the first shell.
Further, a controller is arranged on the control circuit board.
By adopting the technical scheme, the utility model has the following beneficial effects:
according to the device for detecting the front slotting of the solar cell on line, provided by the embodiment of the application, the laser is used for supplementing light to the solar cell passing through, the camera is used for shooting images, the laser and the cell form a certain angle, and the laser and the cell form a certain angle, so that the groove can be clearly shot when the laser and the cell form the angle. In addition, the utility model provides the method for detecting the front notch of the solar cell on line without stopping the solar cell, which can effectively improve the production efficiency of the solar cell.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an apparatus for on-line detecting front side slots of a solar cell according to the present utility model;
fig. 2 is a schematic structural diagram of a laser driving module according to the present utility model;
fig. 3 is a schematic structural diagram of an image acquisition module provided by the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
The following describes a specific device for on-line detecting front-side slotting of a solar cell provided in an embodiment of the present application with reference to the accompanying drawings.
As shown in fig. 1, the present utility model provides a device for on-line detecting front side slotting of a solar cell, comprising: a laser driving module (not shown in the figure), an image acquisition module 1 and a conveyor belt 3 for conveying the battery piece 2, wherein the conveyor belt 3 and the image acquisition module 1 are respectively connected with the laser driving module;
the laser driving module provides a light supplementing light source for the image acquisition module 1, the light supplementing light source and the battery piece 2 are arranged at a preset angle, and the image acquisition module 1 is fixed above the conveyor belt 3.
The application provides a theory of operation of device that on-line measuring solar wafer openly fluted is, laser drive module sets up on the image acquisition module 1, image acquisition module 1 need install in the conveyer belt 3 top of battery piece 2, confirms the contained angle relative position relation of battery piece 2 that passes through on image acquisition module 1 and the conveyer belt 3 through fixed hole site. It will be appreciated that the laser driving module 4 may be placed at other positions of the machine, and is not limited by the structural space.
The laser and the battery piece 2 form a certain angle, and the groove can be clearly shot when the relative positions of the laser and the battery piece 2 are at the angle. By adopting the technical scheme provided by the application, the method for on-line detection of the front notch of the solar cell does not need to stop, and the production efficiency of the solar cell 2 can be effectively improved.
In some embodiments, as shown in fig. 2, the laser driving module 4 includes:
a first housing 41, in which a laser assembly 42, a heat sink cooling fin 43, a cooling fin 44, a radiator 45, and a control circuit board 46 are sequentially disposed in the first housing 41; the laser assembly 42 and the heat sink 45 are connected with the control circuit board 46;
the laser assembly 42 and one surface of the heat sink cooling fin 43 are filled with heat conduction silicone grease, the heat sink cooling fin 43 is detachably connected with the radiator 45, the refrigerating fin 44 is arranged between the heat sink cooling fin 43 and the radiator 45, a cold surface of the refrigerating fin 44 is tightly attached to the heat sink cooling fin 43, and a hot surface of the refrigerating fin 44 is tightly attached to the radiator 45. A plurality of fans are provided in the heat sink 45.
In the application, after the laser component 42 generates heat, the heat is transferred to the heat sink cooling fin 43 through the heat conduction silicone grease, the cooling surface of the cooling fin 44 is tightly attached to the heat sink cooling fin 43 to cool the heat sink cooling fin 43, and then the heat is transferred to the radiator 45 for heat dissipation. The laser component 42 is a high heat radiator 45, and the control circuit board 46 is connected with the heat radiator 45 through a copper column and a plurality of screws to transfer heat into the heat radiator 45; the lower part of the laser component 42 is tightly connected with the heat sink radiating fin 43 through screws and heat-conducting silicone grease; the heat sink cooling fin 43 is connected with the radiator 45 through screws, and the cooling fin 44 is clamped between the heat sink cooling fin 43 and the radiator 45, and the cooling face of the cooling fin 44 is tightly attached to the heat sink cooling fin 43 to radiate heat of the laser assembly 42. The radiator 45 is provided with a plurality of fans 46 for radiating heat.
In some embodiments, as shown in fig. 3, the image acquisition module 1 includes: the laser shielding device comprises a second shell 11 and a laser shielding cover 12, wherein the second shell 11 and the laser shielding cover 12 are fixedly installed through a fixed hole site 13;
an industrial linear array camera 14 and a camera lens 15 are arranged on the second shell 11; a laser lens 16 is arranged below the camera lens 15;
an optical window 17 is arranged at the front end of the laser shade 12;
wherein, the central connecting line of the fixed hole site 13 is parallel to the conveyor belt 3 of the battery piece 2.
As a preferred embodiment, an optical film is arranged on the inner side of the optical window 17, and is used for denoising the laser and increasing the signal to noise ratio, so that more accurate data can be provided for the next recognition and detection work.
The image acquisition module 1 further comprises: an angle adjusting bracket 18, wherein the angle adjusting bracket 18 is connected with the second shell 11 through an adjustable waist hole 19;
the laser lens 16 and the laser shade 12 are arranged on the angle adjusting bracket 18.
The camera used in the application is a linear array scanning camera, and compared with an area array camera, the linear array scanning camera has faster transmission rate and acquisition rate, so that the detection rate is improved, and the feedback time is shortened.
Specifically, in this application second casing 11 with install through fixed hole site 13 between the laser hood 12, guarantee that the central connecting wire of fixed hole site 13 guarantees parallel state with conveyer belt 3, at this moment, through observing and can see that camera and battery piece 2 product line conveyer belt 3 have become certain contained angle, angle adjusting support 18 and second casing 11 junction is equipped with adjustable waist round hole 19, this part can carry out the regulation of certain scope to laser according to adjustable waist round hole 19, in order to reach best visual effect, satisfy the detection and the multiple application scene of various not battery pieces 2 of equidimension, locking screw after the debugging, fix angle adjusting support 18, accomplish the debugging installation of image acquisition module 1 promptly.
In the present application, an optical film is disposed in the optical window 17, and the optical film is combined with a highly uniform linear array laser to perform denoising treatment.
In some embodiments, as shown in fig. 2, the first housing 41 is provided with:
a fiber locking tab 48 for connecting the optical fibers.
The first housing 41 is further provided with:
aviation plug 49 for connecting control circuit board 46 with an external power source.
Preferably, the bottom of the first housing 41 is further provided with a plurality of detachable foot pads 410.
The control circuit board 46 is provided with a controller.
In summary, the device for online detecting the front slotting of the solar cell provided by the utility model realizes online real-time detection of the solar cell through the laser driving module and the image acquisition module, and can timely feed back, so that the loss is reduced to the greatest extent.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a device of on-line measuring solar wafer front fluting which characterized in that includes: the device comprises a laser driving module, an image acquisition module and a conveyor belt for conveying battery pieces, wherein the conveyor belt and the image acquisition module are respectively connected with the laser driving module;
the laser driving module is arranged on the image acquisition module and provides a light supplementing light source for the image acquisition module, the light supplementing light source and the battery piece are arranged at a preset angle, and the image acquisition module is fixed above the conveyor belt.
2. The device for on-line detecting front side slotting of solar cells according to claim 1, wherein the laser driving module comprises:
the laser device comprises a first shell, a laser component, a heat sink radiating fin, a refrigerating fin, a radiator and a control circuit board, wherein the first shell is internally provided with the laser component, the heat sink radiating fin, the refrigerating fin, the radiator and the control circuit board in sequence; the laser component and the radiator are connected with the control circuit board;
the laser device comprises a laser component, a heat sink radiating fin, a refrigerating fin, heat conduction silicone grease, a heat sink radiating fin and a radiator, wherein the heat conduction silicone grease is filled between the laser component and one surface of the heat sink radiating fin, the heat sink radiating fin is detachably connected with the radiator, the refrigerating fin is arranged between the heat sink radiating fin and the radiator, a cold surface of the refrigerating fin is tightly attached to the heat sink radiating fin, and a hot surface of the refrigerating fin is tightly attached to the radiator.
3. The device for on-line detecting front side slotting of solar cells according to claim 2, wherein a plurality of fans are arranged in the radiator.
4. The device for on-line detecting front side slotting of solar cells according to claim 2, wherein the image acquisition module comprises: the second shell and the laser shade are fixedly installed through fixing hole sites;
the second shell is provided with an industrial linear array camera and a camera lens; a laser lens is arranged below the camera lens;
an optical window is arranged at the front end of the laser shade;
the central connecting line of the fixed hole site is parallel to the conveying belt of the battery piece.
5. The device for on-line detecting front side slotting of solar cells according to claim 4, wherein an optical film is arranged on the inner side of the optical window and is used for denoising laser.
6. The device for on-line detecting front side slotting of a solar cell according to claim 4, wherein the image acquisition module further comprises: the angle adjusting bracket is connected with the second shell through an adjustable waist round hole;
the laser lens and the laser shade are arranged on the angle adjusting bracket.
7. The device for on-line detecting front side slotting of solar cells according to claim 2, wherein the first housing is provided with:
the optical fiber locking connector is used for connecting optical fibers.
8. The device for on-line detecting front side slotting of solar cells according to claim 7, wherein the first housing is further provided with:
and the aviation plug is used for connecting the control circuit board and an external power supply.
9. The device for on-line detecting front side slotting of solar cells according to claim 2, wherein a plurality of detachable foot pads are further arranged at the bottom of the first shell.
10. The device for on-line detecting front side slotting of solar cells according to claim 2, wherein a controller is arranged on the control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221430789.0U CN219496862U (en) | 2022-06-08 | 2022-06-08 | Device for on-line detecting front grooving of solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221430789.0U CN219496862U (en) | 2022-06-08 | 2022-06-08 | Device for on-line detecting front grooving of solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219496862U true CN219496862U (en) | 2023-08-08 |
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ID=87477699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221430789.0U Active CN219496862U (en) | 2022-06-08 | 2022-06-08 | Device for on-line detecting front grooving of solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219496862U (en) |
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2022
- 2022-06-08 CN CN202221430789.0U patent/CN219496862U/en active Active
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