CN110620073B - Photovoltaic module welding and coating integrated equipment and process - Google Patents
Photovoltaic module welding and coating integrated equipment and process Download PDFInfo
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- CN110620073B CN110620073B CN201910905986.XA CN201910905986A CN110620073B CN 110620073 B CN110620073 B CN 110620073B CN 201910905986 A CN201910905986 A CN 201910905986A CN 110620073 B CN110620073 B CN 110620073B
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- 230000001070 adhesive effect Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 10
- 238000005476 soldering Methods 0.000 claims description 6
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- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 29
- 238000005265 energy consumption Methods 0.000 abstract description 7
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 24
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
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- 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
- H01L21/67718—Changing orientation of the substrate, e.g. from a horizontal position to a vertical position
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- 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
- H01L21/67736—Loading to or unloading from a conveyor
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- 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
- H01L21/683—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 supporting or gripping
- H01L21/6838—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 supporting or gripping with gripping and holding devices using a vacuum; Bernoulli devices
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- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
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- 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
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
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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
-
- 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
Abstract
The invention provides a photovoltaic module welding and coating integrated device and a photovoltaic module welding and coating integrated process, which belong to the field of photovoltaic module production and comprise a first welding machine, a first conveying device, a rotary laying module, a second welding machine, a second conveying device and an adsorption opening and closing device; the first welding machine and the second welding machine are respectively arranged on the left side and the right side of the rotary laying module, the first welding machine welds the battery pieces into a first battery string array, the second welding machine welds the battery pieces into a second battery string array, and the first battery strings of the first battery string array and the second battery strings of the second battery string array are alternately arranged in parallel and have opposite polarities; the first conveying device and the second conveying device convey the first battery string array and the second battery string array to the rotary laying module, and the rotary laying module rotates to lay the first battery string and the second battery string on the glass below. The photovoltaic module welding and coating integrated equipment and the process provided by the invention reduce the occupied area of land and the occupied space of equipment, improve the production efficiency and reduce the energy consumption.
Description
Technical Field
The invention belongs to the technical field of photovoltaic module production, and particularly relates to photovoltaic module welding and coating integrated equipment and a photovoltaic module welding and coating integrated process using the same.
Background
The photovoltaic module is a device for converting light energy into electric energy by connecting the cell pieces in series or in parallel, and the positive and negative electrodes are connected in series by connecting the positive and negative surfaces of the adjacent cell pieces through a welding strip S bend, a plurality of strings of cells are arranged in an S shape, and the polarities of the same ends of the adjacent strings are opposite.
The photovoltaic module market mainly uses crystal silicon subassembly as the owner, and the crystal silicon subassembly is formed by encapsulation such as glass, EVA, battery, backplate, frame, and photovoltaic module production includes processes such as welding, lays, stitch welding, lamination, dress frame, test, and each process of whole production line comprises the monomer equipment of front and back connection. Welding is a first process in the production of the photovoltaic module, after the battery pieces are fed, the welding machine connects the positive and negative of the battery pieces into a conductive battery string through S-shaped penetration of a welding strip or conductive adhesive, and then the positive and negative of the battery string are turned over, and the front and the back of the battery string are turned over and then transmitted to a next process for laying; laying is the second procedure of photovoltaic module production, a welded battery string is laid on EVA (EVA is Ethylene Vinyl Acetate for short, a solar EVA adhesive film, namely a solar battery packaging adhesive film, which is a thermosetting adhesive film and is used for being placed in the middle of laminated glass) in parallel through a mechanical arm, wherein the EVA is already laid on front cover plate glass, the battery string is generally in S-shaped series connection, the front surface of a battery piece faces the front cover plate glass, the laid EVA glass is transmitted to a station of a laying machine, the laying machine places the welded battery string on the EVA through the mechanical arm in a single string, the laying of the battery string is completed, and the occupied area from welding to laying occupies about 30% of the floor area of the whole module production line, the production line is long, the occupied area is large, the productivity efficiency is low, and the energy consumption is high.
Disclosure of Invention
The invention aims to provide photovoltaic module welding and coating integrated equipment, and aims to solve the problems of large production floor area, low production efficiency and high energy consumption of the conventional photovoltaic module.
In order to achieve the purpose, the invention adopts the technical scheme that: the welding and coating integrated equipment for the photovoltaic module comprises a first welding machine, a first conveying device, a rotary laying module, a second welding machine, a second conveying device and an adsorption opening and closing device; the first welding machine and the second welding machine are symmetrically arranged on the left side and the right side of the rotary laying module respectively, the first welding machine is used for welding a battery piece into a first battery string array, the second welding machine is used for welding a battery piece into a second battery string array, a first battery string of the first battery string array and a second battery string of the second battery string array are arranged in parallel and alternately, and the polarities of the first battery string and the second battery string are opposite; the first conveying device is arranged between the first welding machine and the rotary laying module and used for conveying the welded first battery string array to the rotary laying module, the second conveying device is arranged between the second welding machine and the rotary laying module and used for conveying the welded second battery string array to the rotary laying module, and the arrangement of the first battery string and the second battery string on the rotary laying module is consistent with that of a photovoltaic battery string to be prepared; the rotary laying module comprises a rotary body with 360-degree rotary freedom, the rotary body is provided with an adsorption surface for supporting and adsorbing the first battery string and the second battery string, and when the first battery string and the second battery string rotate 180 degrees along with the rotary body, the first battery string and the second battery string are laid on glass with EVA (ethylene vinyl acetate) film adhesive laid below; the adsorption opening and closing device is connected with the rotating body and used for adsorbing the first battery string and the second battery string on the adsorption surface or loosening the first battery string and the second battery string.
As another embodiment of the present application, the rotating body includes a sealed housing, a rotating shaft fixedly connected to the sealed housing, and a first motor for driving the rotating shaft to drive the sealed housing to rotate, the sealed housing has a structure of a regular polygonal prism whose number of sides of a cross-section is even, the adsorption surface is one side surface of the regular polygonal prism, adsorption holes are respectively disposed on the adsorption surface corresponding to the first battery string and the second battery string, and an axis of the rotating shaft is perpendicular to a conveying direction of the first conveying device and the second conveying device; the adsorption opening and closing device comprises an air pump and an air pipe, the air pump is communicated with the air pipe through the airtight shell, the air pump enables negative pressure to be formed inside the airtight shell, the first battery string and the second battery string are adsorbed on the adsorption surface, when the airtight shell rotates for 180 degrees, the air pump enables normal pressure to be formed inside the airtight shell, the first battery string and the second battery string lose adsorption of adsorption force, and the first battery string and the second battery string are loosened and laid on glass with EVA film adhesive laid below.
As another embodiment of the present application, the rotary laying module further comprises: the first conveying belts are the same as the first battery strings in number and correspond to the first battery strings in position, the conveying direction of the first conveying belts is the same as that of the first conveying device, and the first conveying belts are wound on the periphery of the rotating body and used for conveying the first battery strings to the adsorption surface of the rotating body; the number of the second conveyor belts is the same as that of the second battery strings, the positions of the second conveyor belts correspond to those of the second battery strings, the conveying direction of the second conveyor belts is the same as that of the second conveying device, and the second conveyor belts are wound on the periphery of the rotating body and used for conveying the second battery strings to the adsorption surface of the rotating body; the first conveyor belt and the second conveyor belt are respectively provided with vent holes corresponding to the adsorption holes; the first driving shaft is positioned at one edge of the rotating body, the axis of the first driving shaft is parallel to the axis of the rotating shaft, the first driving shaft is provided with a driving wheel for driving the first conveying belt to transmit and a driven wheel for supporting the second conveying belt, and the driving wheel and the driven wheel are alternately arranged; the second driving shaft is positioned at one edge of the rotating body, the axis of the second driving shaft is parallel to the axis of the rotating shaft, the second driving shaft is provided with a driving wheel for driving the second conveyor belt to transmit and a driven wheel for supporting the first conveyor belt, and the driving wheel and the driven wheel are alternately arranged; and the driven shafts are respectively provided with driven wheels which are in one-to-one correspondence with the first battery strings and the second battery strings.
As another embodiment of this application, each edge of rotator is equipped with respectively and is used for dodging the action wheel with dodge the groove from the driving wheel.
As another embodiment of this application, the groove face of dodging the groove be with the action wheel with follow tangent arcwall face of driving wheel, the arcwall face with the action wheel with be equipped with rotation gap between the driving wheel.
As another embodiment of the present application, at least one side of the rotating body is provided with a limiting groove corresponding to the first conveyor belt and the second conveyor belt, the first conveyor belt and the second conveyor belt are limited in the limiting groove, and the adsorption hole is formed in the groove bottom of the limiting groove.
As another embodiment of the present application, a detection device for detecting the positions of the first battery string and the second battery string is disposed above the rotating body.
As another embodiment of the present application, the photovoltaic module soldering and bonding integrated apparatus further includes a robot for regulating the first cell string and the second cell string which are deviated in position.
As another embodiment of the present application, the air tube is rotatably connected to the rotating body.
As another embodiment of this application, photovoltaic module welds and applies integrative equipment still includes glass transmission device, glass transmission device is located the below of rotator, glass transmission device's direction of delivery with first conveyor with second conveyor's direction of delivery is perpendicular, glass transmission device is used for will laying EVA membrane glued glass and carries extremely the below of rotator.
The invention also provides a photovoltaic module welding and coating integrated process, which comprises the following steps:
welding the battery plates into a first battery string array at a first welding station through a first welding machine;
welding the battery plates into a second battery string array at a second welding station through a second welding machine;
conveying the first battery string array to a rotary layup station located between the first welding station and the second welding station by a first conveying device;
conveying the second battery string array to the rotary laying station through a second conveying device which is conveyed in opposite direction to the first conveying device;
the first battery strings of the first battery string array and the second battery strings of the second battery string array are arranged in parallel and alternately, the polarities of the first battery strings and the polarities of the second battery strings are opposite, and after the first battery strings and the second battery strings are conveyed to the rotary laying station, a battery string array to be laid, which is the same as the battery string array in the photovoltaic module to be prepared, is formed;
at the rotary laying station, adsorbing and loosening the battery string array to be laid through an adsorption opening and closing device, rotating the battery string array to be laid by 180 degrees through a rotary laying module with 360-degree rotary freedom, and loosening and laying the battery string array to be laid on the glass which is positioned below the rotary laying station and is laid with the EVA film adhesive;
and the rotary laying module continuously rotates and resets to the initial position, and continues to perform the next cycle.
The photovoltaic module welding and coating integrated equipment and the process have the beneficial effects that: compared with the prior art, the photovoltaic module welding and coating integrated equipment has the advantages that the rotary coating module is positioned between the two welding machines, the welding of the battery pieces into battery strings is realized by the welding machine, the battery strings on two sides are conveyed to the rotary laying module by the opposite movement of the conveying device, the battery strings which are parallel to each other and have alternate polarity are directly arranged on the rotary laying module, and the battery strings are absorbed on the rotary body through the absorption opening and closing device, the battery string array that waits to lay on the rotator realizes 180 rotations along with the rotator, loses the adsorption affinity and directly lays on the glass that has laid the EVA membrane glue of below under the effect of adsorbing headstock gear, realizes welding and applies integratively, greatly reduced production facility land area occupied, reduced equipment occupation space, improved production efficiency, and then it is extravagant to reduce the energy consumption, lays the basis for photovoltaic intelligent movement production.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a photovoltaic module welding and coating integrated device provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of an embodiment of a rotating body according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of a rotating body according to the present invention;
fig. 4 is a schematic structural diagram of two driving shafts according to an embodiment of the present invention.
In the figure: 1. a driven wheel; 2. a driven shaft; 3. a rotating body; 4. a first drive shaft; 5. a driving wheel; 6. a first control cabinet; 7. a first welding machine; 8. a detection device; 9. a first conveying device; 10. a first battery string array; 11. a first conveyor belt; 12. a rotating shaft; 13. a second conveyor belt; 14. a second battery string array; 15. a second conveying device; 16. a second welding machine; 17. an adsorption surface; 18. a second driving shaft; 19. a battery string array is to be laid; 20. a second control cabinet; 21. a glass transfer device; 22. glass laid with EVA film adhesive; 23. an adsorption hole; 24. a limiting groove; 25. a second motor.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a photovoltaic module soldering and bonding integrated apparatus according to the present invention will now be described. The photovoltaic module welding and coating integrated equipment comprises a first welding machine 7, a first conveying device 9, a rotary laying module, a second welding machine 16, a second conveying device 15 and an adsorption opening and closing device; the first welding machine 7 and the second welding machine 16 are symmetrically arranged on the left side and the right side of the rotary laying module respectively, the first welding machine 7 is used for welding battery pieces into a first battery string array 10, the second welding machine 16 is used for welding battery pieces into a second battery string array 14, a first battery string of the first battery string array 10 and a second battery string of the second battery string array 14 are arranged in parallel and alternately, and the polarities of the first battery string and the second battery string are opposite; the first conveying device 9 and the second conveying device 15 are opposite in conveying direction, the first conveying device 9 is arranged between the first welding machine 7 and the rotary laying module and used for conveying the welded first battery string array 10 to the rotary laying module, the second conveying device 15 is arranged between the second welding machine 16 and the rotary laying module and used for conveying the welded second battery string array 14 to the rotary laying module, and the arrangement of the first battery string and the second battery string on the rotary laying module is consistent with that of a photovoltaic battery string 19 to be prepared; the rotary laying module comprises a rotary body 3 with 360-degree rotary freedom, the rotary body 3 is provided with an adsorption surface 17 for supporting and adsorbing the first battery string and the second battery string, and when the first battery string and the second battery string rotate 180 degrees along with the rotary body 3, the first battery string and the second battery string are laid on a glass 22 with EVA film adhesive laid below; the adsorption opening and closing device is connected with the rotating body 3 and used for adsorbing the first battery string and the second battery string on the adsorption surface or loosening the first battery string and the second battery string.
Compared with the prior art, the photovoltaic module welding and coating integrated equipment provided by the invention has the following advantages: (1) the linear arrangement and the process of front and back connection in the traditional welding laying production process are abandoned, the vertical arrangement space design which penetrates through the upper and lower parts is adopted, and the rotary laying module is positioned between the two welding machines, so that the land occupation area of production equipment is greatly reduced, the equipment occupation space is reduced, the production efficiency is improved, the energy consumption waste is reduced, and a foundation is laid for photovoltaic intelligent mobile production; (2) the battery strings are turned over, laid and positioned and the same ends of the adjacent battery strings have different polarities through the rotating body 3, so that the steps of turning over the front and back surfaces of the existing battery strings during welding and turning over the positive and negative electrodes of the existing battery strings during laying are omitted, the welding of the battery pieces into battery strings is realized by the welding machine, the battery strings on two sides are conveyed to the rotary laying module by the opposite movement of the conveying device, the battery strings which are parallel to each other and have alternate polarity are directly arranged on the rotary laying module, and the battery strings are adsorbed on the rotary body 3 through an adsorption opening and closing device, the battery string on the rotator 3 realizes 180-degree rotation along with the rotator 3, loses the adsorption force under the action of the adsorption opening and closing device and is directly laid on the glass 22 laid with the EVA film adhesive below, so that the welding and laying are integrated, the production efficiency is improved, the energy consumption is reduced, and the foundation is laid for photovoltaic intelligent mobile production.
In this embodiment, the first welding machine 7 and the second welding machine 16 may be any one of battery cell welding machines used in the prior art, the first control cabinet 6 is used for controlling the first welding machine 7, and the second control cabinet 20 is used for controlling the second welding machine 16, and for convenience of description herein, the first control cabinet 6 and the second control cabinet 20 are separated from the corresponding welding machines, or the two control cabinets may be integrated into the corresponding battery cell welding machines. The control cabinet mainly refers to a control panel for action and is a single chip microcomputer control circuit board or a PLC control circuit board; the welding machine comprises sorting, battery string transmission, welding strip transmission and the like, wherein the welding strip is transversely hung on a welding strip pin, and a battery sheet box is used for containing battery sheets; the sorting of the battery pieces refers to grabbing the battery pieces through a manipulator, placing the battery pieces to a battery piece detection station, arranging a camera which irradiates vertically downwards above the detection station, comparing the battery pieces with a set battery piece qualified standard after photographing by the camera, respectively placing the qualified battery pieces which meet the standard into prewelding stations at the front ends of welding machines at two sides, respectively placing the battery pieces which do not meet the standard (such as edge breakage, printing error and the like of the battery pieces) to a waste material station through the manipulator, and not using the battery pieces; the battery piece transmission is belt flexible transmission, the battery piece is transmitted from the pre-welding station to the welding station backwards, and the battery string which is being welded is continuously transmitted through the belt; the welding strip needs to be pulled out through a guide wheel, a dead weight wheel and the like at the position of a welding strip shaft, the welding strip is conveyed to a welding station after dead weight, parallel tracks for independent conveying are arranged on a battery string platform of a welding machine, each track is a battery string welding module, and the battery strings are welded by raising high temperature through an infrared welding or electromagnetic welding mode.
All have conveyor among the photovoltaic module automatic production line among the prior art, first conveyor 9 and second conveyor 15 adopt prior art can.
In this embodiment, the arrangement of the cell strings is set according to the circuit design of the photovoltaic module to be prepared, the pitch of the first cell string array 10 and the pitch of the second cell string array 14, the polarity of the cell strings in the first cell string array 10 and the second cell string array 14, and whether the cell sheet is initially right side up or right side down. The polarity diversity arrangement can be realized according to the circuit design of the photovoltaic module, and is not limited to adjacent and opposite transmission, and the process example of the scheme is a scheme of arranging cells of the conventional module at present.
In this embodiment, the adsorption opening and closing device can also adopt a sucker which is fixedly connected with the rotating body, so that the purpose of adsorbing and loosening the battery string is achieved.
As a specific embodiment of the welding and applying integrated equipment for the photovoltaic module, referring to fig. 1 to 3, the rotating body 3 includes a closed housing, a rotating shaft 12 fixedly connected to the closed housing, and a first motor for driving the rotating shaft 12 to drive the closed housing to rotate, the closed housing is a regular quadrangular prism, the adsorption surface 17 is a side surface of the regular quadrangular prism, the adsorption surface 17 is provided with adsorption holes 23 at positions corresponding to the first battery string and the second battery string, respectively, and an axis of the rotating shaft 12 is perpendicular to the conveying direction of the first conveying device 9 and the second conveying device 15; the adsorption opening and closing device comprises an air pump and an air pipe, the air pump passes through the air pipe and is communicated with the airtight shell, the air pump enables negative pressure is formed inside the airtight shell, the first battery string and the second battery string are adsorbed on the adsorption surface 17, when the airtight shell rotates 180 degrees, the air pump enables normal pressure inside the airtight shell, the first battery string and the second battery string lose adsorption of adsorption force, and the first battery string and the second battery string are loosened and laid on the glass 22 with the EVA film adhesive laid below. After the battery cluster of both sides is carried to rotator 3, realize adsorbing the battery cluster through adsorbing headstock gear, then start first motor, make the 180 rotations of rotator, then close and adsorb headstock gear, make the battery cluster lose the adsorption affinity, the battery cluster is under the effect of dead weight, directly drop on the glass 22 that has laid the EVA membrane below and glue, form the glass that has laid photovoltaic module, then first motor continues to drive rotator 3 rotatory, it is rotatory 360 to the initial position to the rotator, can carry out laying of next battery cluster. The air pipe is connected with the rotating body in a hinged or rotating mode, when the rotating body rotates, the rotating body rotates around the air pipe, meanwhile, the connecting portion of the air pipe and the rotating body is sealed, and air leakage is prevented.
In this embodiment, the rotating body 3 is a regular quadrangular prism, but is not limited to a regular quadrangular prism, and the rotating body 3 may be provided with at least one plane for adsorbing and supporting the battery string, or may be a structure having an even number of sides of a polygon having a cross section such as a regular hexagonal prism or a regular octagonal prism.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 and fig. 4, the rotary laying module further includes: the device comprises a first conveyor belt 11, a second conveyor belt 13, a first driving shaft 4, a second driving shaft 18 and a plurality of driven shafts 2, wherein the number of the first conveyor belts 11 is the same as that of the first battery strings, the positions of the first conveyor belts correspond to those of the first battery strings, the conveying direction of the first conveyor belts is the same as that of the first conveying device 9, and the first conveyor belts 11 are wound on the periphery of a rotating body 3 and used for conveying the first battery strings to an adsorption surface 17 of the rotating body 3; the number of the second conveyor belts 13 is the same as that of the second battery strings, the positions of the second conveyor belts correspond to those of the second battery strings, the conveying direction of the second conveyor belts is the same as that of the second conveying device 15, and the second conveyor belts 13 are wound around the periphery of the rotating body 3 and used for conveying the second battery strings to the adsorption surface 17 of the rotating body 3; the first conveyor belt 11 and the second conveyor belt 13 are respectively provided with a vent hole corresponding to the adsorption hole 23; the first driving shaft 4 is positioned at one edge of the rotating body 3, the axis of the first driving shaft 4 is parallel to the axis of the rotating shaft 12, the first driving shaft 4 is provided with a driving wheel 5 for driving the first conveyor belt 11 to transmit and a driven wheel 1 for supporting the second conveyor belt 13, and the driving wheel 5 and the driven wheel 1 are alternately arranged; the second driving shaft 18 is positioned at one edge of the rotating body 3, the axis of the second driving shaft 18 is parallel to the axis of the rotating shaft 12, the second driving shaft 18 is provided with a driving wheel 5 for driving the second conveyor belt 13 to transmit and a driven wheel 1 for supporting the first conveyor belt 11, and the driving wheel 5 and the driven wheel 1 are alternately arranged; two driven shafts 2 are respectively arranged on two edges of the rotating body 3, and driven wheels 1 which correspond to the first battery strings and the second battery strings one to one are respectively arranged on the two driven shafts 2. In this embodiment, the running direction of each conveyor belt is controlled independently, and the permutation and combination of multiple polarities of battery strings is realized, and the arrangement is not limited to the arrangement of opposite polarities of adjacent battery strings. The battery string is conveyed to the rotating body 3 through conveying belts in different directions, and then the conveying belts and the shafts are connected with the battery string together, turned over by 180 degrees along with the rotation of the rotating body 3 and directly laid on the lower glass laid with the EVA. Wherein, first driving shaft 4, second driving shaft 18 and driven shaft 2 all rotate with the rotator 3 and link to each other, and two driving shafts and two driven shafts 2 are located four edges of rotator 3 respectively, and wherein, two driving shafts set up on two adjacent edges.
In this embodiment, a support for supporting the rotating body 3 is provided, wherein the first motor is fixed on the support, two ends of the rotating shaft 12 of the rotating body 3 are rotatably connected with the support through bearing seats, the two driving shafts and the two driven shafts 2 are rotatably connected with the rotating body 3 through supporting seats, wherein the two driving shafts are respectively provided with a second motor 25, the second motor 25 is supported through a supporting frame fixedly connected with the rotating body 3, and when the rotating body 3 rotates, the conveyor belt, the driving shafts, the driven shafts 2 and the corresponding second motors 25 can be ensured to rotate. Wherein, the support is fixed on the ground, and the support frame can be fixed in the front and back of the rotating body 3 shown in fig. 2 for fixing the support seat and the motor.
Referring to fig. 1, the operation principle of a specific embodiment of the photovoltaic module welding and coating integrated device of the present invention is as follows: raw materials such as battery pieces, a welding strip and scaling powder are loaded into a first welding machine 7 and a second welding machine 16, the front face of the battery pieces in a pile is upwards placed in a battery box, the battery box is placed in a station, the welding strip is transversely hung on a welding strip pin, the head of the welding strip is arranged in a scaling powder solution groove through a winding guide wheel, a dead weight wheel and the soaking scaling powder solution groove, the preparation work is completed, a first control cabinet 6 and a second control cabinet 20 are opened, a manipulator grabs the battery pieces and places the battery pieces in a camera detection station, the qualified conditions of the battery pieces are detected, the qualified battery pieces are grabbed by the manipulator and enter a belt transmission line before pre-welding, and unqualified battery pieces are grabbed to a waste material station by the manipulator. Meanwhile, the welding strip is pulled out and cut off, the cut-off welding strip is placed on a battery piece, the battery piece and the welding strip are synchronously conveyed backwards to a welding station, the front side of the battery piece faces upwards, battery strings are synchronously welded by welding machines on two sides, the battery strings welded on the two sides are respectively conveyed to a first conveying device 9 and a second conveying device 15, meanwhile, the battery strings on the two sides are relatively conveyed to an adsorption surface 17 of a rotating body 3 at the same speed, an adsorption opening and closing device is opened, vacuum pumping is performed through an air pump, negative pressure is formed in the rotating body 3, the effect of adsorbing the battery strings on a conveying belt is achieved, the battery strings form relative position fixing and arrangement with opposite adjacent polarities, at the moment, a first motor of the rotating body 3 is started, the rotating shaft 12 is controlled to rotate 90 degrees clockwise or anticlockwise, at the moment, the battery strings on the adsorption surface 17 reach the side surface and are in a, the battery string is absorbed and can not fall off, meanwhile, the rotating body 3 continues to rotate clockwise or anticlockwise by 90 degrees, at the moment, the battery string rotates 180 degrees, the purpose of overturning the battery piece is completed, namely, the front side of the battery piece is turned upwards to turn the front side downwards, at the moment, the front cover plate glass laid with the EVA reaches the position under the battery string, at the moment, the air pump is closed to stop vacuumizing, so that the air pressure in the rotating body 3 is consistent with the air pressure outside, or the air pump is used for inflating the rotator 3, so that the air pressure in the rotator 3 is greater than the external air pressure, the rotator 3 does not have adsorption force on the battery strings any more, the purpose of stopping adsorbing the battery strings is achieved, the battery strings are placed on the glass below under the self-gravity, the process of laying the battery strings is completed, the laid battery strings are continuously transmitted forwards, the next procedure is carried out, the operation is circulated, and the control of the production process of the welding and laying all-in-one machine is completed.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 2 and 3, each edge of the rotating body 3 is provided with an avoiding groove for avoiding the driving wheel 5 and the driven wheel 1, respectively. Through setting up and dodging the groove, make action wheel 5 and follow the sunken each edge department that is located rotator 3 of follow driving wheel 1, keep two conveyer belts and two corresponding conveyor's the conveying plane level parallel and level.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 to 3, a groove surface of the avoiding groove is an arc surface tangential to the driving wheel 5 and the driven wheel 1, and a rotation gap is provided between the arc surface and the driving wheel 5 and the driven wheel 1. Avoid action wheel 5 and follow driving wheel 1 and arcwall face in close contact with, and lead to rotating obstructed problem to appear.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 3, at least one side surface of the rotating body 3 is provided with a limiting groove 24 corresponding to the first conveyor belt 11 and the second conveyor belt 13, the first conveyor belt 11 and the second conveyor belt 13 are limited in the limiting groove 24 to prevent the conveyor belts from deviating, wherein the bottom of the limiting groove 24 disposed in the adsorption hole 23.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1, a detection device 8 for detecting positions of the first battery string and the second battery string is disposed above the rotating body. The detection system is provided with a detection camera, the position signals of the battery pieces and the battery strings are collected and compared with the set position coordinates, the deviation is fed back to the corresponding control cabinet, the control cabinet outputs action signals, and the control machinery is controlled to manually correct the positions of the battery strings. The detection device 8 for the cell slice is a common technology of the existing photovoltaic assembly production line.
As a specific implementation manner of the embodiment of the present invention, the photovoltaic module soldering and applying integrated apparatus further includes a manipulator for regulating the first cell string and the second cell string which are deviated in position. The manipulator is a device commonly used in an automatic production line of the photovoltaic module, and the attached drawing of the manipulator is omitted.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1, the photovoltaic module welding and applying integrated equipment further includes a glass conveying device 21, the glass conveying device 21 is located below the rotating body 3, a conveying direction of the glass conveying device 21 is perpendicular to a conveying direction of the first conveying device 9 and the second conveying device 15, and the glass conveying device 21 is used for conveying glass 22 on which the EVA film adhesive is applied to below the rotating body 3. The glass transmission device 21 is connected with one of the control cabinets through signals, the control cabinet controls the glass transmission device 21, when the battery string turns 180 degrees along with the rotating body 3, the glass 22 with the EVA film adhesive is just conveyed to the position right below the rotating body 3, the battery string is laid on the glass, and the welding and the laying of the battery string are completed.
As a specific implementation manner of the embodiment of the present invention, the first conveying device 9, the second conveying device 15 and the glass conveying device 21 are all belt-conveyed. The first conveying device 9, the second conveying device 15 and the glass conveying device 21 are all common equipment for an existing automatic photovoltaic module production line, and are not described again here, and since belt conveying is a common technology for an existing automatic photovoltaic module production line, no structural schematic diagram is given to the structure of this part here.
Referring to fig. 1, the present invention further provides a photovoltaic module soldering and coating integrated process, including:
at a first welding station, welding the battery plates into a first battery string array 10 through a first welding machine 7;
at a second welding station, welding the battery pieces into a second battery string array 14 by a second welder 16;
conveying the first battery string array 10 to a rotary laying station located between the first welding station and the second welding station by a first conveying device 9;
conveying said second battery string array 14 to said rotary deposition station by means of a second conveyor 15, which is conveyed opposite said first conveyor 9;
the first battery strings of the first battery string array 10 and the second battery strings of the second battery string array 14 are arranged in parallel and alternately, the polarities of the first battery strings and the second battery strings are opposite, and after the first battery strings and the second battery strings are conveyed to the rotary laying station, a battery string array to be laid, which is the same as the battery string arrangement in the photovoltaic module to be prepared, is formed;
at the rotary laying station, adsorbing and loosening the battery string array 19 to be laid through an adsorption opening and closing device, and loosening and laying the battery string array 19 to be laid on the glass 22 laid with the EVA film adhesive and positioned below the rotary laying station after rotating the battery string array 19 by 180 degrees through a rotary laying module with 360-degree rotary freedom;
and the rotary laying module continuously rotates and resets to the initial position, and continues to perform the next cycle.
According to the process provided by the invention, the rotary welding station is positioned between the first welding station and the second welding station, and the welded battery string array is conveyed from two sides to the rotary welding station in the middle, so that the land occupation area of production equipment is greatly reduced, the equipment occupation space is reduced, the production efficiency is improved, the energy consumption waste is reduced, and a foundation is laid for photovoltaic intelligent mobile production.
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 invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The photovoltaic module welding and coating integrated equipment is characterized by comprising a first welding machine, a first conveying device, a rotary laying module, a second welding machine, a second conveying device and an adsorption opening and closing device;
the first welding machine and the second welding machine are symmetrically arranged on the left side and the right side of the rotary laying module respectively, the first welding machine is used for welding a battery piece into a first battery string array, the second welding machine is used for welding a battery piece into a second battery string array, a first battery string of the first battery string array and a second battery string of the second battery string array are arranged in parallel and alternately, and the polarities of the first battery string and the second battery string are opposite;
the first conveying device is arranged between the first welding machine and the rotary laying module and used for conveying the welded first battery string array to the rotary laying module, the second conveying device is arranged between the second welding machine and the rotary laying module and used for conveying the welded second battery string array to the rotary laying module, and the arrangement of the first battery string and the second battery string on the rotary laying module is consistent with that of a photovoltaic battery string to be prepared;
the rotary laying module comprises a rotary body with 360-degree rotary freedom, the rotary body is provided with an adsorption surface for supporting and adsorbing the first battery string and the second battery string, and when the first battery string and the second battery string rotate 180 degrees along with the rotary body, the first battery string and the second battery string are laid on glass with EVA film adhesive laid below;
the adsorption opening and closing device is connected with the rotating body and used for adsorbing the first battery string and the second battery string on the adsorption surface or loosening the first battery string and the second battery string.
2. The photovoltaic module welding and applying integrated equipment according to claim 1, wherein the rotating body comprises a closed shell, a rotating shaft fixedly connected with the closed shell and a first motor for driving the rotating shaft to drive the closed shell to rotate, the closed shell is a regular polygonal prism with an even number of sides of a polygonal cross section, the adsorption surface is one side surface of the regular polygonal prism, adsorption holes are respectively arranged on the adsorption surface corresponding to the first battery string and the second battery string, and the axis of the rotating shaft is perpendicular to the conveying direction of the first conveying device and the second conveying device;
the adsorption opening and closing device comprises an air pump and an air pipe, the air pump is communicated with the air pipe through the airtight shell, the air pump enables negative pressure to be formed inside the airtight shell, the first battery string and the second battery string are adsorbed on the adsorption surface, when the airtight shell rotates for 180 degrees, the air pump enables normal pressure to be formed inside the airtight shell, the first battery string and the second battery string lose adsorption of adsorption force, and the first battery string and the second battery string are loosened and laid on glass with EVA film adhesive laid below.
3. The photovoltaic module welding-on-body apparatus of claim 2, wherein the rotating-laying module further comprises:
the first conveyor belts are the same in number and position as the first battery strings, the conveying direction is the same as that of the first conveying device, and the first conveyor belts are wound on the periphery of the rotating body and used for conveying the first battery strings to the adsorption surface of the rotating body;
the number of the second conveyor belts is the same as that of the second battery strings, the positions of the second conveyor belts correspond to those of the second battery strings, the conveying direction of the second conveyor belts is the same as that of the second conveying device, and the second conveyor belts are wound on the periphery of the rotating body and used for conveying the second battery strings to the adsorption surface of the rotating body; the first conveyor belt and the second conveyor belt are respectively provided with vent holes corresponding to the adsorption holes;
the first driving shaft is positioned at one edge of the rotating body, the axis of the first driving shaft is parallel to the axis of the rotating shaft, the first driving shaft is provided with a driving wheel for driving the first conveying belt to transmit and a driven wheel for supporting the second conveying belt, and the driving wheel and the driven wheel are alternately arranged;
the second driving shaft is positioned at one edge of the rotating body, the axis of the second driving shaft is parallel to the axis of the rotating shaft, the second driving shaft is provided with a driving wheel for driving the second conveyor belt to transmit and a driven wheel for supporting the first conveyor belt, and the driving wheel and the driven wheel are alternately arranged; and
and the driven shafts are arranged on the other edges of the rotating body, and driven wheels which correspond to the first battery strings and the second battery strings one to one are respectively arranged on the driven shafts.
4. The photovoltaic module welding and coating integrated equipment as claimed in claim 3, wherein each edge of the rotating body is provided with an avoiding groove for avoiding the driving wheel and the driven wheel respectively.
5. The photovoltaic module welding and coating integrated equipment as claimed in claim 4, wherein the groove surface of the avoidance groove is an arc surface tangent to the driving wheel and the driven wheel, and a rotating gap is formed between the arc surface and the driving wheel and between the arc surface and the driven wheel.
6. The photovoltaic module welding and coating integrated device according to claim 3, wherein at least one side surface of the rotating body is provided with a limiting groove corresponding to the first conveyor belt and the second conveyor belt, the first conveyor belt and the second conveyor belt are limited in the limiting groove, and the adsorption hole is formed in the bottom of the limiting groove.
7. The photovoltaic module welding and coating integrated device as claimed in claim 1, wherein a detection device for detecting the positions of the first cell string and the second cell string is arranged above the rotating body.
8. The photovoltaic module soldering and bonding apparatus according to claim 7, further comprising a robot for regulating the first cell string and the second cell string which are deviated in position.
9. The photovoltaic module welding and bonding device according to any one of claims 1 to 8, further comprising a glass conveying device, wherein the glass conveying device is positioned below the rotating body, the conveying direction of the glass conveying device is perpendicular to the conveying direction of the first conveying device and the second conveying device, and the glass conveying device is used for conveying the EVA film glue glass which is already coated to the position below the rotating body.
10. Photovoltaic module soldering integration process, characterized in that with the device according to any of claims 1-9, it comprises:
welding the battery plates into a first battery string array at a first welding station through a first welding machine;
welding the battery plates into a second battery string array at a second welding station through a second welding machine;
conveying the first battery string array to a rotary layup station located between the first welding station and the second welding station by a first conveying device;
conveying the second battery string array to the rotary laying station through a second conveying device which is conveyed in opposite direction to the first conveying device;
the first battery strings of the first battery string array and the second battery strings of the second battery string array are arranged in parallel and alternately, the polarities of the first battery strings and the polarities of the second battery strings are opposite, and after the first battery strings and the second battery strings are conveyed to the rotary laying station, a battery string array to be laid, which is the same as the battery string array in the photovoltaic module to be prepared, is formed;
at the rotary laying station, adsorbing and loosening the battery string array to be laid through an adsorption opening and closing device, rotating the battery string array to be laid by 180 degrees through a rotary laying module with 360-degree rotary freedom, and loosening and laying the battery string array to be laid on the glass which is positioned below the rotary laying station and is laid with the EVA film adhesive;
and the rotary laying module continuously rotates and resets to the initial position, and continues to perform the next cycle.
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| CN113319472A (en) * | 2021-06-10 | 2021-08-31 | 苏州卓汇自动化设备有限公司 | Solder strip preparation method and device |
| CN113682740A (en) * | 2021-08-30 | 2021-11-23 | 深圳市华阳通达精密机械有限公司 | Bidirectional transmission device |
| CN113695801B (en) * | 2021-09-14 | 2023-03-31 | 宁夏小牛自动化设备股份有限公司 | Combined jumper welding equipment |
| CN115241329B (en) * | 2022-09-05 | 2023-08-29 | 无锡嘉盛赋能科技有限公司 | Multifunctional production line for photovoltaic modules |
| CN115555864B (en) * | 2022-12-05 | 2023-03-31 | 浙江求是半导体设备有限公司 | Photovoltaic solder strip carrier assembly, welding equipment and welding method |
| CN115635319B (en) * | 2022-12-05 | 2023-03-28 | 浙江求是半导体设备有限公司 | Solder strip carrier assembly, soldering apparatus and soldering method |
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