CN217787600U - Photovoltaic cell piece metallization exposure device - Google Patents
Photovoltaic cell piece metallization exposure device Download PDFInfo
- Publication number
- CN217787600U CN217787600U CN202221475106.3U CN202221475106U CN217787600U CN 217787600 U CN217787600 U CN 217787600U CN 202221475106 U CN202221475106 U CN 202221475106U CN 217787600 U CN217787600 U CN 217787600U
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- Prior art keywords
- mask plate
- exposure
- carrying platform
- station
- product
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- 238000001465 metallisation Methods 0.000 title claims abstract description 24
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- -1 copper) Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a photovoltaic cell piece metallization exposure device solves current photovoltaic cell piece metallization line width, inefficiency, problem with high costs. The device comprises a base, exposure stations arranged on the base, an exposure machine and an exposure device, wherein the exposure device also comprises a feeding turntable arranged on the base, a feeding station, an alignment station, an exposure station and a blanking station are sequentially arranged around the corresponding feeding turntable, an alignment camera is arranged on the corresponding alignment station, a mask plate assembly is respectively arranged on the feeding turntable below each station, and the mask plate assembly comprises a product loading platform, a guide slide rail, an upper mask plate assembly and a lower mask plate assembly; in addition, the grid lines with thinner line width and low contact resistance can be realized, so that higher battery efficiency is created.
Description
Technical Field
The utility model relates to a photovoltaic cell piece metallization exposure device.
Background
Metallization is one of key processes for preparing photovoltaic cell pieces, solar cell electrodes are mainly manufactured through silver paste, and for various cell pieces, the cost of the silver paste is second to the second largest cost of a silicon wafer. And if the screen printing is realized by the traditional process, the screen printing is realized by the traditional process. The disadvantages are as follows: 1. the width of the line is more than 20 um; 2. silver paste is high in cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that current photovoltaic cell piece metallization line is wide, and is efficient, with high costs.
For solving the utility model provides a technical scheme that technical problem adopted does: the utility model discloses a photovoltaic cell piece metallization exposure device includes the base, locates the exposure station on the base to and correspond the exposure machine above the exposure station, the exposure device still including locate the pay-off carousel on the base, correspond pay-off carousel and be equipped with material loading station, alignment station, exposure station and unloading station all around in proper order, correspond to being equipped with the alignment camera on the alignment station, be equipped with a mask plate subassembly on the pay-off carousel of corresponding every station below respectively, the mask plate subassembly including the product microscope carrier, locate the direction slide rail on the product microscope carrier, and be located the upper mask plate subassembly and the lower mask plate subassembly of product microscope carrier top and below respectively, the product microscope carrier on be equipped with the exposure through-hole, the product location is in exposure through-hole department, direction slide rail upper and lower both ends be located the upper and lower both sides of product microscope carrier respectively, the upper mask plate subassembly including the upper mask plate microscope carrier that slides and locate the direction slide rail upper mask plate subassembly on the upper mask plate microscope carrier, and locate the upper mask plate microscope carrier on the upper mask plate microscope carrier, the corresponding exposure through-hole is equipped with the exposure platform and leads to light area, the lower mask plate subassembly including the lower mask plate that slides and locate the direction slide rail lower mask plate on the lower mask plate, the microscope carrier, the lower mask plate subassembly is equipped with the through-hole that leads to lead to pass through; an upper mask plate carrying platform driving mechanism and a lower mask plate carrying platform driving mechanism which drive the upper mask plate carrying platform to slide up and down and the lower mask plate carrying platform to slide up and down are respectively arranged on the product carrying platform; the exposure machine comprises an upper exposure light source corresponding to the upper part of the light-passing area of the upper loading platform and a lower exposure light source corresponding to the lower part of the light-passing area of the lower loading platform.
Right the utility model discloses do further limited technical scheme and include:
the upper mask plate carrying platform driving mechanism is a first lead screw motor driving mechanism, and the lower mask plate carrying platform driving mechanism is a second lead screw motor driving mechanism.
The upper mask plate carrying platform driving mechanism is a first air cylinder driving mechanism, and the lower mask plate carrying platform driving mechanism is a second air cylinder driving mechanism.
And a feeding basket and a feeding manipulator are arranged on the base corresponding to the side surface of the feeding station.
And a blanking basket and a blanking manipulator are arranged on the base corresponding to the side surface of the blanking station.
The product carrying platform is provided with an air suction opening used for absorbing the product on the product carrying platform.
And a product clamping table for clamping and positioning a product is arranged at the edge of the exposure through hole.
Through the technical scheme, the beneficial effects of the utility model are that: when the photovoltaic cell metallization exposure device is used, the photovoltaic cell metallization can be realized by performing double-sided exposure on a product through the exposure device, the efficiency is high, silver paste can be replaced by other metals (such as copper), and the cost is reduced; in addition, the grid lines with thinner line width and low contact resistance can be realized, thereby creating higher battery efficiency.
Drawings
Fig. 1 is a schematic structural view of the photovoltaic cell metallization exposure apparatus of the present invention.
Fig. 2 is a schematic view of the overlooking structure of the photovoltaic cell metallization exposure device of the present invention.
Fig. 3 is a schematic structural diagram of a mask plate assembly of the photovoltaic cell metallization exposure apparatus of the present invention.
Detailed Description
The structure of the present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 3, the utility model discloses a photovoltaic cell piece metallization exposure device is including base 1, locate exposure station 11 on the base, and the exposure machine 2 of corresponding exposure station top, exposure device is still including locating pay-off carousel 3 on the base, it is equipped with material loading station 12 all around to correspond pay-off carousel in proper order, align station 13, exposure station, and unloading station 14, it aims at camera 4 to be equipped with on the station to correspond, it is equipped with a mask plate subassembly 5 respectively on the pay-off carousel of every station below to correspond, mask plate subassembly 5 is including product microscope carrier 51, locate the direction slide rail 52 on the product microscope carrier, and be located product microscope carrier top and the last mask plate subassembly 53 and the lower mask plate subassembly 54 of below respectively, be equipped with exposure through-hole 511 on the product microscope carrier 51, the product location is in exposure through-hole department, the edge of exposure through-hole 511 is equipped with the product card platform 512 that is used for product joint location. The upper end and the lower end of the guide slide rail are respectively positioned at the upper side and the lower side of the product carrying platform, the upper mask plate assembly 53 comprises an upper mask plate carrying platform 531 which is arranged at the upper part of the guide slide rail in a sliding manner, and an upper mask plate 532 which is arranged on the upper mask plate carrying platform, an upper platform light-passing area 533 is arranged on the upper mask plate carrying platform corresponding to the exposure through hole, the lower mask plate assembly 54 comprises a lower mask plate carrying platform 541 which is arranged at the lower part of the guide slide rail in a sliding manner, and a lower mask plate 542 which is arranged on the lower mask plate carrying platform, and a lower platform light-passing area 543 is arranged on the lower mask plate carrying platform corresponding to the exposure through hole; an upper mask plate carrying platform driving mechanism and a lower mask plate carrying platform driving mechanism which drive the upper mask plate carrying platform to slide up and down and the lower mask plate carrying platform to slide up and down are respectively arranged on the product carrying platform; the exposure machine 2 includes an upper exposure light source 21 corresponding to the upper stage above the light-passing area and a lower exposure light source 22 corresponding to the lower stage below the light-passing area.
In this embodiment, the upper mask stage driving mechanism is a first lead screw motor driving mechanism, and the lower mask stage driving mechanism is a second lead screw motor driving mechanism. The first lead screw motor driving mechanism and the second lead screw motor driving mechanism respectively drive the upper mask plate carrying platform and the lower mask plate carrying platform to slide up and down, so that the upper mask plate and the lower mask plate are driven to move up and down, and the product is folded and opened. In specific implementation, the upper mask plate stage driving mechanism may also be a first cylinder driving mechanism, and the mask plate stage driving mechanism may also be a second cylinder driving mechanism.
In this embodiment, a loading basket 6 and a loading manipulator 7 are arranged on the base corresponding to the side of the loading station. The material loading manipulator loads the material in the loading basket to the product clamping table on the product support plate, so that automatic loading is carried out.
In this embodiment, a blanking basket 8 and a blanking manipulator 9 are arranged on the base corresponding to the side of the blanking station. And the blanking manipulator takes out the exposed product and places the exposed product into a blanking basket, so that automatic blanking is performed.
In this embodiment, be equipped with on the product microscope carrier and be used for adsorbing the inlet scoop on the product microscope carrier with the product. Thereby preventing shaking of the product during exposure.
Use the utility model discloses a photovoltaic cell piece metallization exposure device's exposure method, its exposure method include following step:
a: initial calibration: installing an upper mask plate and a lower mask plate, calibrating positions, inputting outline parameters of an exposure product, and calibrating an exposure gap; and adjusting the parallelism of the product and the mask plate and the position relation of the product and the mask plate. The upper mask plate is driven by the upper mask plate carrier driving mechanism, the lower mask plate is driven by the lower mask plate carrier driving mechanism, and the lower mask plate can move up and down along the guide sliding rails, so that a feeding and discharging space can be provided, and the exposure gap can be adjusted. The mask plate component can also be only provided with one set for single-side exposure, and only one set of light source is provided at the moment. The guide slide rail needs to have high enough precision to ensure that the mask plate is closed after being opened, and the position relation and the parallelism do not exceed a certain target value. The upper and lower mask plate carrying platforms can be adjusted and aligned manually or automatically, so that the position precision of the upper and lower surfaces of the product for exposure and the parallelism of the upper and lower mask plates are ensured. The pattern of the mask plate is determined according to the actual exposure pattern. The mask plate exposure pattern has alignment marks on two sides, the pattern can be circular, square, triangular, cross, etc., the upper and lower patterns can be consistent, or inconsistent, such as consistent pattern, and need to be distinguished by size. The upper mask plate and the lower mask plate are aligned to the mark position symmetrically and are opposite up and down.
B: feeding: the product carrying platform rotates to a feeding station, feeding is carried out on the feeding station, and the upper mask plate and the lower mask plate are folded;
c: alignment: rotating the loaded product carrying platform to an alignment station, and aligning and identifying by an alignment camera;
d: exposure: and rotating the aligned product carrying platform to an exposure station, exposing the upper surface of the product by the upper exposure light source, and exposing the lower surface of the product by the lower exposure light source. The light source is generally a parallel light source and can be remotely controlled by a computer. The light source can be a surface light source, the illumination surface is slightly larger than the size of an exposure figure, and the product is exposed at one time; or a linear light source, and the whole product is exposed in a mechanical scanning mode. The light source type may be any of the following: an LED light source, a high-pressure mercury lamp, a metal halide lamp, an LD light source, or an ultraviolet laser. Different types of light sources correspond to different optical paths and mechanical structures.
E: blanking: and the exposed product carrying platform rotates to a discharging station, the upper mask plate and the lower mask plate are opened, and the discharging manipulator discharges materials.
When the photovoltaic cell metallization exposure device is used, the photovoltaic cell metallization can be realized by performing double-sided exposure on a product through the exposure device, the efficiency is high, silver paste can be replaced by other metals (such as copper), and the cost is reduced; in addition, the grid lines with thinner line width and low contact resistance can be realized, so that higher battery efficiency is created.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be understood as limited by the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive work within the scope of the present invention as described in the claims.
Claims (7)
1. The utility model provides a photovoltaic cell piece metallization exposure device, exposure device including the base, locate the exposure station on the base to and the exposure machine of corresponding exposure station top, its characterized in that: the exposure device also comprises a feeding turntable arranged on the base, a feeding station, an alignment station, an exposure station and a blanking station are sequentially arranged around the corresponding feeding turntable, an alignment camera is arranged on the corresponding alignment station, a mask plate assembly is respectively arranged on the feeding turntable corresponding to the lower part of each station, the mask plate assembly comprises a product carrying platform, a guide slide rail arranged on the product carrying platform, an upper mask plate assembly and a lower mask plate assembly which are respectively arranged above and below the product carrying platform, an exposure through hole is arranged on the product carrying platform, a product is positioned at the exposure through hole, the upper end and the lower end of the guide slide rail are respectively arranged at the upper side and the lower side of the product carrying platform, the upper mask plate assembly comprises an upper mask plate carrying platform which is arranged at the upper part of the guide slide rail in a sliding manner, and an upper mask plate through hole is arranged on the upper mask plate carrying platform, the lower mask plate assembly comprises a lower mask plate carrying platform which is arranged at the lower part of the guide slide rail in a sliding manner, and a lower mask plate through hole is arranged on the lower mask plate carrying platform in a corresponding manner; an upper mask plate carrying platform driving mechanism and a lower mask plate carrying platform driving mechanism which drive the upper mask plate carrying platform to slide up and down and the lower mask plate carrying platform to slide up and down are respectively arranged on the product carrying platform; the exposure machine comprises an upper exposure light source corresponding to the upper part of the light-passing area of the upper loading platform and a lower exposure light source corresponding to the lower part of the light-passing area of the lower loading platform.
2. The metallization exposure apparatus for photovoltaic cell pieces according to claim 1, wherein: the upper mask plate carrying platform driving mechanism is a first lead screw motor driving mechanism, and the lower mask plate carrying platform driving mechanism is a second lead screw motor driving mechanism.
3. The metallization exposure apparatus for photovoltaic cell pieces according to claim 1, wherein: the upper mask plate carrying platform driving mechanism is a first cylinder driving mechanism, and the lower mask plate carrying platform driving mechanism is a second cylinder driving mechanism.
4. The metallization exposure apparatus for photovoltaic cell pieces according to claim 1, wherein: and a feeding basket and a feeding manipulator are arranged on the base corresponding to the side surface of the feeding station.
5. The metallization exposure apparatus for photovoltaic cell sheets according to claim 1, wherein: and a blanking basket and a blanking manipulator are arranged on the base corresponding to the side surface of the blanking station.
6. The metallization exposure apparatus for photovoltaic cell pieces according to claim 1, wherein: the product carrying platform is provided with an air suction opening used for absorbing the product on the product carrying platform.
7. The metallization exposure apparatus for photovoltaic cell pieces according to claim 1, wherein: and a product clamping table for clamping and positioning a product is arranged at the edge of the exposure through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221475106.3U CN217787600U (en) | 2022-06-14 | 2022-06-14 | Photovoltaic cell piece metallization exposure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221475106.3U CN217787600U (en) | 2022-06-14 | 2022-06-14 | Photovoltaic cell piece metallization exposure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217787600U true CN217787600U (en) | 2022-11-11 |
Family
ID=83934686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221475106.3U Expired - Fee Related CN217787600U (en) | 2022-06-14 | 2022-06-14 | Photovoltaic cell piece metallization exposure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217787600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115793405A (en) * | 2022-11-21 | 2023-03-14 | 东莞市友辉光电科技有限公司 | Exposure machine |
-
2022
- 2022-06-14 CN CN202221475106.3U patent/CN217787600U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115793405A (en) * | 2022-11-21 | 2023-03-14 | 东莞市友辉光电科技有限公司 | Exposure machine |
| CN115793405B (en) * | 2022-11-21 | 2024-01-09 | 东莞市友辉光电科技有限公司 | Exposure machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221111 |