CN113937187B - Photovoltaic module production line - Google Patents

Photovoltaic module production line Download PDF

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Publication number
CN113937187B
CN113937187B CN202111136344.1A CN202111136344A CN113937187B CN 113937187 B CN113937187 B CN 113937187B CN 202111136344 A CN202111136344 A CN 202111136344A CN 113937187 B CN113937187 B CN 113937187B
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CN
China
Prior art keywords
battery
piece
photovoltaic module
production line
sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202111136344.1A
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Chinese (zh)
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CN113937187A (en
Inventor
高虎
彭文博
李晓磊
陈雄飞
田鸿翔
罗丽珍
朱文哲
虞祥瑞
肖平
赵东明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Clean Energy Research Institute
Huaneng Group Technology Innovation Center Co Ltd
Original Assignee
Huaneng Clean Energy Research Institute
Huaneng Group Technology Innovation Center Co Ltd
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Application filed by Huaneng Clean Energy Research Institute, Huaneng Group Technology Innovation Center Co Ltd filed Critical Huaneng Clean Energy Research Institute
Priority to CN202111136344.1A priority Critical patent/CN113937187B/en
Publication of CN113937187A publication Critical patent/CN113937187A/en
Application granted granted Critical
Publication of CN113937187B publication Critical patent/CN113937187B/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1876—Particular processes or apparatus for batch treatment of the devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
    • H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
    • H01L21/67706—Mechanical details, e.g. roller, belt
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
    • H01L21/67739—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations into and out of processing chamber
    • H01L21/67742—Mechanical parts of transfer devices
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention provides a photovoltaic module production line which comprises a feeding device, a detection device, a printing device, a buffer device and a lamination drying device which are sequentially connected, wherein the buffer device comprises a base, a sheet paving table and a driving assembly. The photovoltaic module production line provided by the invention has the advantages of being capable of storing the battery piece with double-sided adhesive and improving the production efficiency and fault tolerance of the photovoltaic module production line.

Description

Photovoltaic module production line
Technical Field
The invention relates to the technical field of photovoltaic module production equipment, in particular to a photovoltaic module production line.
Background
The photovoltaic module production line in the related art generally includes slicing, detecting, printing and lamination drying processes. After the conductive silver paste is printed in the printing process, the battery piece needs to wait for a manipulator to transfer the battery piece to a heating table for lamination and drying operation. At this time, the transferring operation interval of the manipulator needs to correspond to the printing interval of the battery piece, which results in the defects of low production efficiency and poor fault tolerance of the photovoltaic module production line.
Disclosure of Invention
The present invention has been made based on the findings and knowledge of the inventors regarding the following facts and problems:
the inventor finds that the time taken for transferring the battery pieces from the printing process to the lamination drying process is longer than the time for printing the conductive silver paste on the battery pieces in the printing process during production, particularly, the conductive silver paste is printed on the battery pieces on two sides, the speed of transferring the battery pieces in unit time of the manipulator is further reduced, the efficiency of transferring the battery pieces by the manipulator can not meet the transfer requirement of the battery pieces in the printing process, and the production efficiency of the photovoltaic module is severely limited.
The present invention aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the embodiment of the invention provides a photovoltaic module production line, which uses a buffer device to avoid battery piece accumulation at a printing process, realizes uniform battery piece feeding, improves the production efficiency of a photovoltaic module, temporarily stores the glued battery pieces when a mechanical arm is in fault shutdown or overhaul, and improves the fault tolerance.
The photovoltaic module production line comprises a feeding device, a detection device, a printing device, a buffer device and a lamination drying device which are sequentially connected, wherein the buffer device comprises a base, a sheet paving table and a driving assembly.
According to the photovoltaic module production line provided by the embodiment of the invention, the buffer device arranged between the printing device and the lamination drying device can temporarily store the printed battery pieces when the mechanical arm is stopped or overhauled due to faults, so that the fault tolerance of the production line is improved, the buffer device assists in transferring the battery pieces, the production efficiency is improved, the battery pieces with single-sided or double-sided printing and gluing are temporarily stored through the buffer device during production, the printing process is not influenced by the lamination drying process, the accumulation of the printed battery pieces is avoided, the constant-speed feeding of the battery pieces and the continuous production of the photovoltaic module production line are realized, the production efficiency is high, and the fault tolerance is improved.
In some embodiments, the photovoltaic module production line further comprises a first robot for transferring the battery sheet at the printing device to the sheet laying table at the loading position.
In some embodiments, the photovoltaic module production line further comprises a second robot for transferring the battery pieces on the piece laying table at the blanking position to the lamination drying device.
In some embodiments, the lamination drying apparatus includes two heating stations, both of which are engaged with the sheeter station in the blanking position.
In some embodiments, the printing device is used for printing conductive silver paste on the top surface and the bottom surface of the battery piece, the piece laying table is provided with a bearing surface for bearing the battery piece, a hollowed-out area is arranged on the bearing surface, and the hollowed-out area is opposite to the conductive silver paste on the bottom surface of the battery piece.
In some embodiments, the bearing surface is configured to bear a plurality of the battery pieces in a row, the hollowed-out area includes a plurality of hollowed-out long holes distributed along a row direction at intervals, a length direction of the hollowed-out long holes is consistent with a row direction of the battery pieces, and the number of the hollowed-out long holes corresponds to the number of columns of the battery pieces one by one.
In some embodiments, the bearing surface is provided with a positioning groove for positioning the battery piece.
In some embodiments, the number of the sheet-laying tables is one, or the number of the sheet-laying tables is two, and the two sheet-laying tables have the same feeding position and the discharging position, wherein when one sheet-laying table is positioned at any one position of the feeding position and the discharging position, the other sheet-laying table is positioned at the other position of the feeding position and the discharging position.
In some embodiments, the sheeter stage is slidably mated to the base.
In some embodiments, the battery cell buffer device further comprises a magnetic grating ruler and a read magnetic head, wherein the magnetic grating ruler is arranged on one of the sheet laying table and the base, the length direction of the magnetic grating ruler is consistent with the sliding direction of the sheet laying table, and the read magnetic head is arranged on the other one of the sheet laying table and the base.
In some embodiments, the battery piece buffer device further comprises a sensing piece, a first position sensor and a second position sensor, the sensing piece is arranged on the piece laying table, the first position sensor and the second position sensor are both arranged on the base and are spaced apart in the sliding direction of the piece laying table, when the piece laying table is located at the feeding position, the first position sensor senses the sensing piece, and when the piece laying table is located at the discharging position, the second position sensor senses the sensing piece.
Drawings
Fig. 1 is a schematic top view of a photovoltaic module production line in accordance with an embodiment.
Fig. 2 is a schematic perspective view of a buffer device according to an embodiment.
Fig. 3 is a schematic structural diagram of a buffering device according to an embodiment.
Fig. 4 is an enlarged partial schematic view of a battery cell buffer device according to an embodiment.
Fig. 5 is a schematic top view of a battery plate buffer device according to an embodiment.
Fig. 6 is a schematic diagram of the position of a magnetic grid ruler of the battery piece buffer device according to an embodiment.
Fig. 7 is a schematic diagram of a position sensor of a battery cell buffer device according to an embodiment.
Reference numerals: 1. a feeding device; 2. a detection device; 3. a printing device; 4. a buffer device; 5. lamination drying device;
100. a base; 200. a sheet laying table; 210. a positioning groove; 220. a magnetic grating ruler; 230. a position sensor; 240. a read head; 250. and the induction piece.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 7, the photovoltaic module production line according to the embodiment of the invention comprises a feeding device 1, a detection device 2, a printing device 3, a buffer device 4 and a lamination drying device 5 which are sequentially connected, wherein the buffer device 4 comprises a base 100, a sheet laying table 200 and a driving component.
According to the photovoltaic module production line provided by the embodiment of the invention, the feeding device 1 is used for feeding the production line, the detecting device 2 is used for detecting the quality of the battery pieces and selecting unqualified battery pieces with hidden cracks, the printing device 3 is used for printing conductive silver paste on the qualified battery pieces, the buffer device 4 arranged between the printing device 3 and the lamination drying device 5 is used for temporarily storing the printed battery pieces when a mechanical arm is stopped or overhauled, the fault tolerance of the production line is improved, the buffer device 4 is used for transferring the battery pieces to help to improve the production efficiency, and the lamination drying device 5 is used for distributing and drying the battery pieces with the conductive silver paste. The battery piece that single face or double-sided printing rubberized passes through buffer 4 temporary storage during production, guarantees that the printing process does not receive lamination stoving process influence, has avoided the battery piece of printing completion to pile up, has realized battery piece at uniform velocity material loading, photovoltaic module production line continuous production, and production efficiency is high and improves fault-tolerant rate.
The driving assembly comprises a screw, a screw nut and a servo motor, wherein the screw is installed on the base 100, and the axial direction of the screw is consistent with the sliding direction of the sheet laying table 200. A screw nut is mounted to the lapping table 200, and the screw nut is threadedly engaged with the screw. The servo motor is mounted to the base 100 and is coupled to the screw drive.
Specifically, the servo motor drives the screw rod to rotate, and the screw rod rotates to drive the screw rod nut to move relative to the screw rod, so that the axial direction of the screw rod is consistent with the sliding direction of the sheet paving table 200. The servo motor is adopted to drive so as to help improve the position accuracy of the sheet laying table 200, and the screw rod nut are matched to stabilize the moving process of the sheet laying table 200.
In some embodiments, the photovoltaic module production line further comprises a first robot for transferring the battery sheet at the printing apparatus 3 to the sheet laying table 200 located at the loading position.
Specifically, the first manipulator is disposed between the feeding position of the sheet laying table 200 and the discharging side of the printing device 3, and the first manipulator can adsorb the battery sheets through independently lifting vacuum chucks, which may have a plurality of vacuum chucks for simultaneously carrying a plurality of battery sheets. The first manipulator adopts a four-axis manipulator.
In some embodiments, the photovoltaic module production line further includes a second robot for transferring the battery cells on the lay-up table 200 located at the discharging position to the stack drying device 5.
Specifically, the second manipulator is disposed between the discharging position of the sheet laying table 200 and the feeding side of the lamination drying device 5, and the second manipulator may adsorb the battery sheets through independently lifting vacuum chucks, which may have a plurality of vacuum chucks for simultaneously carrying a plurality of battery sheets. The second manipulator adopts a four-axis manipulator.
In some embodiments, lamination drying apparatus 5 includes two heating stations, both of which engage with a sheeter station 200 in a blanking position.
Specifically, the two heating stations may be connected end to end in a longitudinal direction, and the longitudinal direction of the heating stations is perpendicular to the longitudinal direction of the laying table 200. The heating station may be lower than the height of the lay-up table 200 or the heating station may be at the same level as the lay-up table 200.
In some embodiments, the printing device 3 is used for printing conductive silver paste on the top surface and the bottom surface of the battery piece, the sheet paving platform 200 is provided with a bearing surface for bearing the battery piece, and the bearing surface is provided with a hollowed-out area, and the hollowed-out area is opposite to the conductive silver paste on the bottom surface of the battery piece.
Specifically, the hollowed-out area can accommodate the conductive silver paste on the bottom surface of the battery piece, and meanwhile, the structural strength of the piece laying table 200 is also ensured.
In some embodiments, the carrying surface is used for carrying a plurality of battery pieces in rows, the hollow area comprises a plurality of hollow long holes distributed at intervals along the row direction, the length direction of the hollow long holes is consistent with the row direction of the battery pieces, and the number of the hollow long holes corresponds to the number of the battery pieces one by one.
Specifically, the direction of the hollowed-out long holes is favorable for the rapid arrangement of the battery pieces, and the contact between the conductive silver colloid and the bearing surface is avoided. As shown in fig. 5, the a direction is the row direction of the battery cells, and the B direction is the column direction of the battery cells. The width of the hollowed long holes is matched with the width of the conductive silver adhesive on the battery pieces, the width of the hollowed long holes is slightly larger, the number of the hollowed long holes is matched with the number of the battery pieces arranged on the bearing surface, and the hollowed areas are distributed at intervals along the row direction of the battery pieces and are matched with the conductive silver adhesive on the bottom surfaces of the plurality of rows of battery pieces. The interval between the adjacent hollow long holes is consistent with the interval of the conductive silver adhesive on the bottom surfaces of the adjacent two rows of battery pieces.
In some embodiments, the bearing surface is provided with a positioning slot 210 for positioning the battery plate.
Specifically, the positioning groove 210 has the functions of limiting and positioning the battery piece, reduces the precision requirement of transferring by the manipulator, and can avoid the displacement of the battery piece relative to the piece laying table 200. Specifically, referring to fig. 4, the width of the positioning groove 210 is adapted to the width of the battery plate, the length direction of the positioning groove 210 is consistent with the arrangement direction of the battery plate and is adapted to the length of the battery plate, and a space exists between adjacent positioning grooves 210, which is beneficial to the identification and alignment of the single-row battery plate by the manipulator.
In some embodiments, the number of lay-up tables 200 is one.
Specifically, when the number of the sheet paving tables 200 is one, the sheet paving tables 200 do reciprocating motion between a feeding position and a discharging position relative to the base 100, after the sheet paving tables 200 bear the battery pieces and move from the feeding position to the discharging position, the battery pieces are taken down by the manipulator, the empty sheet paving tables 200 move from the discharging position to the feeding position to bear the battery pieces, and the manipulator places the battery pieces with the rubberized battery pieces on the bearing surface of the sheet paving tables 200.
Alternatively, the number of the two paving stages 200 is two, and the two paving stages 200 have the same loading position and unloading position, and when one paving stage 200 is located at any one of the loading position and the unloading position, the other paving stage 200 is located at the other one of the loading position and the unloading position. Therefore, the printing process of the battery piece and the laminating and drying process of the battery piece can be simultaneously carried out, continuous production of the photovoltaic module is guaranteed, and the production efficiency of the photovoltaic module is higher.
Specifically, when one of the lay-up tables 200 is in the loading position, the other lay-up table 200 is in the unloading position. The driving assembly can drive the two sheet-laying tables 200 to rotate relative to the base 100, at this time, one sheet-laying table 200 finishes loading the battery sheets, and the other sheet-laying table 200 finishes unloading the battery sheets, the driving assembly drives the sheet-laying table 200 to rotate relative to the base 100, the two sheet-laying tables 200 exchange positions with each other, and the manipulator performs unloading and loading operations on the battery sheets.
In some embodiments, the sheeter station 200 is slidably mated to the base 100.
Specifically, the sheet laying table 200 is in sliding fit with the base 100, so that the sheet laying table 200 can reciprocate, specifically, a U-shaped chute is arranged on the base 100, a sliding seat is connected below the sheet laying table 200, the width of the sliding seat is adaptive to the width of the chute, a protruding portion is arranged at the bottom of the sliding seat, and at least part of the protruding portion enters the chute and is in sliding connection with the wall of the chute. The base 100 may be a ball screw type slide.
In some embodiments, the battery cell caching apparatus 4 further includes a magnetic scale 220 and a read head 240, the magnetic scale 220 is disposed on one of the tile table 200 and the base 100, the length direction of the magnetic scale 220 is consistent with the sliding direction of the tile table 200, and the read head 240 is disposed on the other of the tile table 200 and the base 100.
Specifically, the magnetic grid ruler 220 and the magnetic reading head 240 cooperate to monitor the displacement of the sheet laying table 200 in real time, so that the sheet laying table 200 can accurately stay at the feeding position and the discharging position, and further, the accurate feeding and discharging of the battery sheets are facilitated. Referring to FIG. 6, the magnetic grating ruler 220 is disposed on one side of the base 100, the read head 240 is disposed on one side of the laying table 200 correspondingly, and the read head 240 may be provided with an adjusting seat for adjusting the position of the read head 240 to facilitate calibration.
In some embodiments, the battery sheet buffer device 4 further includes a sensing member, a first position sensor 230 and a second position sensor 230, referring to fig. 7, where the sensing member is disposed on the sheet laying table 200, the first position sensor 230 and the second position sensor 230 are disposed on the base 100 and spaced apart in a sliding direction of the sheet laying table 200, the first position sensor 230 senses the sensing member when the sheet laying table 200 is located at the feeding position, and the second position sensor 230 senses the sensing member when the sheet laying table 200 is located at the discharging position.
Specifically, the position sensor 230 may be a photoelectric sensor, and the sensing element shields the photoelectric sensor to start the photoelectric sensor, so that the response speed is high, and the position of the laying table 200 is accurately judged. The position sensor 230 can also adopt a hall sensor, the induction sheet is correspondingly arranged to be a magnetic piece, the hall sensor is started when the induction sheet approaches to the hall sensor, the position of the sheet laying table 200 is accurately judged, a certain space can be reserved between the induction sheet and the hall sensor, and the structure is convenient to optimize.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (9)

1. The photovoltaic module production line is characterized by comprising a feeding device, a detection device, a printing device, a buffer device and a lamination drying device which are sequentially connected;
the caching device comprises:
a base;
a sheeter stage movably fitted on the base and having a loading position and a unloading position, the sheeter stage being engageable with the printing device at the loading position, the sheeter stage being engageable with the lamination drying device at the unloading position; and
the driving assembly is connected with the sheet laying table so as to drive the sheet laying table to move between the feeding position and the discharging position;
the printing device is used for printing conductive silver paste on the top surface and the bottom surface of the battery piece, the piece laying table is provided with a bearing surface for bearing the battery piece, the bearing surface is provided with a hollowed-out area, and the hollowed-out area is opposite to the conductive silver paste on the bottom surface of the battery piece;
the bearing surface is used for bearing a plurality of battery pieces in a row, the hollowed-out area comprises a plurality of hollowed-out long holes which are distributed at intervals along the row direction, the length direction of the hollowed-out long holes is consistent with the row direction of the battery pieces, and the number of the hollowed-out long holes corresponds to the number of the battery pieces one by one;
the width of the hollowed long holes is matched with the width of the conductive silver adhesive on the battery pieces, and the interval between every two adjacent hollowed long holes is consistent with the interval between the conductive silver adhesives on the bottom surfaces of two adjacent rows of battery pieces.
2. The photovoltaic module production line of claim 1, further comprising a first robot for transferring the battery cells at the printing device to the spreader station at the loading location.
3. The photovoltaic module production line of claim 1, further comprising a second manipulator for transferring the battery cells on the tile table in the blanking position to the stack drying device.
4. The photovoltaic module production line of claim 1, wherein the laminate drying apparatus comprises two heating stations, both of which are engaged with the lay-up table in the blanking position.
5. The photovoltaic module production line of claim 1, wherein the bearing surface is provided with a positioning groove for positioning the battery piece.
6. The photovoltaic module production line according to claim 1, wherein,
the number of the sheet paving tables is one;
or the number of the sheet paving tables is two, the two sheet paving tables have the same feeding position and the same discharging position, and when one sheet paving table is positioned at any one position of the feeding position and the discharging position, the other sheet paving table is positioned at the other position of the feeding position and the discharging position.
7. The photovoltaic module production line of claim 1, wherein the sheeter stage is slidably mated to the base.
8. The photovoltaic module production line of claim 7, wherein the battery cell buffer device further comprises a magnetic grid ruler and a read head, the magnetic grid ruler is arranged on one of the sheet laying table and the base, the length direction of the magnetic grid ruler is consistent with the sliding direction of the sheet laying table, and the read head is arranged on the other of the sheet laying table and the base.
9. The photovoltaic module production line of claim 7, wherein the battery piece buffer device further comprises a sensing piece, a first position sensor and a second position sensor, the sensing piece is arranged on the piece laying table, the first position sensor and the second position sensor are arranged on the base and are spaced apart in the sliding direction of the piece laying table, when the piece laying table is located at the feeding position, the first position sensor senses the sensing piece, and when the piece laying table is located at the discharging position, the second position sensor senses the sensing piece.
CN202111136344.1A 2021-09-27 2021-09-27 Photovoltaic module production line Active CN113937187B (en)

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Citations (8)

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