CN103441173A - Mounted structure of SMT (surface mount technology) for double-faced electrode solar energy battery piece and production technology thereof - Google Patents
Mounted structure of SMT (surface mount technology) for double-faced electrode solar energy battery piece and production technology thereof Download PDFInfo
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- CN103441173A CN103441173A CN2013104154362A CN201310415436A CN103441173A CN 103441173 A CN103441173 A CN 103441173A CN 2013104154362 A CN2013104154362 A CN 2013104154362A CN 201310415436 A CN201310415436 A CN 201310415436A CN 103441173 A CN103441173 A CN 103441173A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- 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
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- 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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Abstract
The invention discloses a mounted structure of an SMT (surface mount technology) for a double-faced electrode solar energy battery piece and a production technology thereof. The mounted structure comprises a PCB (printed circuit board) and at least two solar energy battery pieces, wherein at least two bonding pads are oppositely arranged on the PCB, the solar energy battery pieces are placed on the bonding pads of the PCB with the front surfaces upward, electrodes on the back surfaces of the solar energy battery pieces are placed on the bonding pads of the PCB, a pole piece for an SMT patch is arranged between two adjacent solar energy battery pieces, the pole piece for the SMT patch is a double-bending metal piece, one edge of the pole piece for the SMT patch is overlapped on the electrode of a main grid line on the front surface of the solar energy battery piece, and the other edge of the pole piece for the SMT patch is overlapped on the bonding pad of the PCB connected with the electrode on the back surface of the adjacent solar energy battery piece. As the structure of a solar energy battery panel is changed, the mounted structure can be completely produced through SMT automation equipment, the capacity is improved, and the production efficiency is improved; as the mounted structure is not welded by manual labor, the welding quality and consistency are guaranteed.
Description
Technical field
The invention belongs to the design field of solar panel, be specifically related to a kind of double-face electrode solar battery sheet SMT mounting structure and production technology thereof.
Background technology
Solar panel is the core component of solar power system, is also to be worth the highest parts in solar power system, and its effect is that the emittance of the sun is converted to electric energy, or is sent in storage battery and stores, or promotes loaded work piece.The quality of solar panel and cost will directly determine quality and the cost of whole system.
The solar battery sheet that solar panel is commonly used is that its both positive and negative polarity is distributed in respectively the double-edged solar battery sheet of solar battery sheet.For this solar battery sheet, the traditional processing technology of solar panel is: with flatiron, tin-coated copper strip is welded on solar battery sheet reverse side main grid line, then solar battery sheet is faced up and entirely is attached on the pcb board that is stained with double faced adhesive tape.The welding of solar battery sheet reverse side tin-coated copper strip being connected with adjacent solar battery sheet front electrode by artificial welding manner.
Because above-mentioned explained hereafter all adopts manual operation, production efficiency is low, labour intensity, and welding quality and consistency can't guarantee simultaneously, can't realize high efficiency production in batches, have greatly affected the reliability of production efficiency and product.
Summary of the invention
The object of the invention is to provide a kind of double-face electrode solar battery sheet SMT mounting structure, and the structure by the redesign solar panel, adopt a SMT paster pole piece, realized that the device fabrication of SMT full automation has substituted the Traditional Man welding operation.
Another purpose of the present invention, be to provide a kind of double-face electrode solar battery sheet SMT mounting structure, adopts a SMT paster to connect front electrode and main grid line electrode with pole piece simultaneously.
A further object of the present invention, be to provide a kind of double-face electrode solar battery sheet SMT mounting structure production technology, by this technology pattern, by the SMT automation equipment, reaches the increase production capacity, improves quality, cost-saving purpose.
The present invention is achieved by the following technical solutions:
A kind of double-face electrode solar battery sheet SMT mounting structure, comprise pcb board, at least two solar battery sheets, on this pcb board, correspondence is provided with at least two pads, bonding one deck PCB Copper Foil on this pcb board, the front of solar battery sheet is provided with front electrode, the reverse side of solar battery sheet is provided with the reverse side electrode, solar battery sheet faces up and is placed on above the pad of pcb board, the reverse side electrode of solar battery sheet is arranged on the pcb board pad, be provided with a SMT paster pole piece between adjacent two solar battery sheets, this SMT paster pole piece is a pair of bending sheet metal, the SMT paster is overlapped on the main grid line electrode of solar battery sheet front with one side of pole piece, the SMT paster is overlapped on the pcb board pad of adjacent solar battery sheet reverse side electrode connection with the another side of pole piece.
Further, at least be provided with two solar battery sheets on described pcb board, all solar battery sheet intervals evenly become row to be arranged on pcb board.
Further, the reverse side electrode of solar battery sheet one side is connected on the pcb board pad, between the opposite side of solar battery sheet and pcb board pad, adopts red glue to fix.
Further, the SMT paster comprises the long limit of a bending and a bending minor face with pole piece, the long limit of bending is called the front electrode welding ends, the bending minor face is called reverse side electrode series connection end, described front electrode welding ends edge lap is on the main grid line of solar battery sheet front, described reverse side electrode series connection end is overlapped on the pcb board pad of adjacent solar battery sheet reverse side electrode connection, and all solar battery sheets are cascaded.
A kind of production technology of double-face electrode solar battery sheet SMT mounting structure, comprise the steps:
(1) adopt an automatic dispensing machine by appropriate tin cream point pcb board one side for connecting the pad of solar battery sheet reverse side electrode, opposite side is for a small amount of red glue of pad point of fixed solar cell piece;
(2) point is had the jigsaw pcb board of tin cream, red glue be placed on the transmission support of a chip mounter, with the chip mounter vacuum slot, solar battery sheet is faced up and fitly is placed on patch location, solar battery sheet main grid line and pcb board pad are in the same side;
(3) put appropriate tin cream with automatic dispensing machine at the front electrode pad of solar battery sheet main grid line fringe region;
(4) put appropriate tin cream with automatic dispensing machine on the main grid line electrode of solar battery sheet front;
(5) with the chip mounter vacuum slot, the SMT paster is placed on solar battery sheet and pcb board pad with pole piece, front electrode welding ends edge lap is on the main grid line of solar battery sheet front, and described reverse side electrode series connection end is overlapped on the pcb board pad of adjacent solar battery sheet reverse side electrode connection;
(6) the jigsaw pcb board is sent into to reflow machine, the SMT paster is welded on solar battery sheet and pcb board with pole piece.
Operation principle of the present invention is: the traditional processing technology of double-face electrode solar battery sheet is welded owing to adopting manually, can't guarantee welding quality, can't realize the large production of machineization, and the present invention has realized the device fabrication of SMT full automation.In order to realize this automation equipment production, the present invention designs a SMT paster pole piece, this SMT paster pole piece is a pair of bending sheet metal, its effect is: connecting circuit, all solar battery sheet front electrodes are connected with adjacent with it solar battery sheet reverse side electrode, form a current circuit.
Because solar battery sheet is double-face electrode, be the tow sides that positive and negative electrode is distributed in respectively this solar battery sheet, the main grid line in solar battery sheet front exceeds silicon chip one segment distance, therefore, for the solar battery sheet front electrode is connected with adjacent with it solar battery sheet reverse side electrode, this SMT paster need to be designed to a pair of bending structure by the structure of pole piece.Simultaneously, for the illuminating area of the increase solar battery sheet of trying one's best, SMT paster of the present invention is designed to a length of side with pole piece, the structure that another side is short, and the long limit of bending is called the front electrode welding ends, and the bending minor face is called reverse side electrode series connection end.Wherein, front electrode welding ends edge lap is on the main grid line of solar battery sheet front, described reverse side electrode series connection end is overlapped on the pcb board pad of adjacent solar battery sheet reverse side electrode connection, and all solar battery sheets are cascaded, and forms a current circuit.
Between the front electrode of existing solar battery sheet and main grid line electrode, the conducting of circuit is by a welding, because the present invention has adopted a SMT paster pole piece, can connect front electrode and main grid line electrode simultaneously, without welding, just can make the circuit turn-on between front electrode and main grid line electrode.
Beneficial effect: the present invention, due to the structure that has changed solar panel, can adopt the SMT automation equipment to realize the large production of machine fully, has reached the increase production capacity, has improved production efficiency; Simultaneously, owing to being unartificial welding, its welding quality and consistency are guaranteed, and have saved cost, have guaranteed the reliability of product.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
The cross-section structure decomposing schematic representation that Fig. 1 is solar panel of the present invention.
Fig. 2 is the Facad structure schematic diagram that in the present invention, the SMT paster is used pole piece.
Fig. 3 is the side structure schematic diagram that in the present invention, the SMT paster is used pole piece.
In figure, each symbol means:
1.PCB plate; 11.PCB Copper Foil; 2. solar battery sheet; 21. solar battery sheet front; 22. solar battery sheet reverse side; 3.SMT paster pole piece.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated: the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment:
Referring to Fig. 1, comprise pcb board 1, two solar battery sheets 2, at least be provided with two solar battery sheets 2 on pcb board 1, all solar battery sheet intervals evenly become row to be arranged on pcb board 1.Bonding one deck PCB Copper Foil 11 on pcb board 1.The front of solar battery sheet 2 is provided with front electrode 21, and the reverse side of solar battery sheet 2 is provided with reverse side electrode 22.
Pcb board 1 is provided with pad, and solar battery sheet 2 faces up and is placed on above the pad of pcb board 1, and the reverse side electrode 22 of solar battery sheet 2 one sides is connected on pcb board 1 pad, between the opposite side of solar battery sheet 2 and pcb board 1 pad, adopts red glue to fix.
Be provided with a pole piece 3 for the SMT paster between adjacent two solar battery sheets 2, this SMT paster is a pair of bending sheet metal with pole piece 3, the SMT paster is overlapped on solar battery sheet 2 front main grid line electrodes with one side of pole piece 3, and the SMT paster is overlapped on pcb board 1 pad of adjacent solar battery sheet 2 reverse side electrodes connections with the another side of pole piece 3.
Referring to Fig. 2, Fig. 3, the SMT paster comprises the long limit of a bending and a bending minor face with pole piece 3, the long limit of bending is called the front electrode welding ends, the bending minor face is called reverse side electrode series connection end, front electrode welding ends edge lap is on solar battery sheet 2 front main grid lines, reverse side electrode series connection end is overlapped on the pcb board pad of adjacent solar battery sheet 2 reverse side electrodes connections, and all solar battery sheets 2 are cascaded.
Referring to Fig. 3, the long 8mm of pole piece for the SMT paster in the present invention, wide 1.5mm, thick 0.1mm.Roll over about 0.36mm height in an end 2.1mm place.
When producing, the double-face electrode solar battery sheet SMT mounting structure of the present embodiment needs following material:
SMT is pole piece, pcb board, solar battery sheet, tin cream, red glue, automatic dispensing machine, chip mounter, reflow machine for paster.
The production technology of the double-face electrode solar battery sheet SMT mounting structure of the present embodiment, comprise the steps:
(1) adopt an automatic dispensing machine by appropriate tin cream point pcb board one side for connecting the pad of solar battery sheet reverse side electrode, opposite side is for a small amount of red glue of pad point of fixed solar cell piece;
(2) point is had the jigsaw pcb board of tin cream, red glue be placed on the transmission support of a chip mounter, with the chip mounter vacuum slot, solar battery sheet is faced up and fitly is placed on patch location, solar battery sheet main grid line and pcb board pad are in the same side;
(3) put appropriate tin cream with automatic dispensing machine at the front electrode pad of solar battery sheet main grid line upper edge region;
(4) put appropriate tin cream with automatic dispensing machine on the main grid line electrode of solar battery sheet front;
(5) with the chip mounter vacuum slot, the SMT paster is placed on solar battery sheet and pcb board pad with pole piece, front electrode welding ends edge lap is on the main grid line of solar battery sheet front, and described reverse side electrode series connection end is overlapped on the pcb board pad of adjacent solar battery sheet reverse side electrode connection;
(6) the jigsaw pcb board is sent into to reflow machine, the SMT paster is welded on solar battery sheet and pcb board with pole piece.
Above demonstration and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. a double-face electrode solar battery sheet SMT mounting structure, comprise pcb board, at least two solar battery sheets, on this pcb board, correspondence is provided with at least two pads, bonding one deck PCB Copper Foil on this pcb board, the front of solar battery sheet is provided with front electrode, the reverse side of solar battery sheet is provided with the reverse side electrode, it is characterized in that, solar battery sheet faces up and is placed on above the pad of pcb board, the reverse side electrode of solar battery sheet is arranged on the pcb board pad, be provided with a SMT paster pole piece between adjacent two solar battery sheets, this SMT paster pole piece is a pair of bending sheet metal, the SMT paster is overlapped on the main grid line electrode of solar battery sheet front with one side of pole piece, the SMT paster is overlapped on the pcb board pad of adjacent solar battery sheet reverse side electrode connection with the another side of pole piece.
2. a kind of double-face electrode solar battery sheet SMT mounting structure according to claim 1, is characterized in that, at least is provided with two solar battery sheets on described pcb board, and all solar battery sheet intervals evenly become row to be arranged on pcb board.
3. a kind of double-face electrode solar battery sheet SMT mounting structure according to claim 1, it is characterized in that, the reverse side electrode of solar battery sheet one side is connected on the pcb board pad, between the opposite side of solar battery sheet and pcb board pad, adopts red glue to fix.
4. a kind of double-face electrode solar battery sheet SMT mounting structure according to claim 1, it is characterized in that, the SMT paster comprises the long limit of a bending and a bending minor face with pole piece, the long limit of bending is called the front electrode welding ends, the bending minor face is called reverse side electrode series connection end, described front electrode welding ends edge lap is on the main grid line of solar battery sheet front, described reverse side electrode series connection end is overlapped on the pcb board pad of adjacent solar battery sheet reverse side electrode connection, and all solar battery sheets are cascaded.
5. a production technology for preparing double-face electrode solar battery sheet SMT mounting structure claimed in claim 1, comprise the steps:
(1) adopt an automatic dispensing machine by appropriate tin cream point pcb board one side for connecting the pad of solar battery sheet reverse side electrode, opposite side is for a small amount of red glue of pad point of fixed solar cell piece;
(2) point is had the jigsaw pcb board of tin cream, red glue be placed on the transmission support of a chip mounter, with the chip mounter vacuum slot, solar battery sheet is faced up and fitly is placed on patch location, solar battery sheet main grid line and pcb board pad are in the same side;
(3) put appropriate tin cream with automatic dispensing machine at the front electrode pad of solar battery sheet main grid line fringe region;
(4) put appropriate tin cream with automatic dispensing machine on the main grid line electrode of solar battery sheet front;
(5) with the chip mounter vacuum slot, the SMT paster is placed on solar battery sheet and pcb board pad with pole piece, front electrode welding ends edge lap is on the main grid line of solar battery sheet front, and described reverse side electrode series connection end is overlapped on the pcb board pad of adjacent solar battery sheet reverse side electrode connection;
(6) the jigsaw pcb board is sent into to reflow machine, the SMT paster is welded on solar battery sheet and pcb board with pole piece.
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| CN201310415436.2A CN103441173B (en) | 2013-09-12 | 2013-09-12 | Double-face electrode solar battery sheet SMT mounting structure and production technology thereof |
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| CN201310415436.2A CN103441173B (en) | 2013-09-12 | 2013-09-12 | Double-face electrode solar battery sheet SMT mounting structure and production technology thereof |
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| CN106735992A (en) * | 2017-02-17 | 2017-05-31 | 武汉三工智能装备制造有限公司 | The welding method of photovoltaic cell component |
| CN106784027A (en) * | 2016-12-27 | 2017-05-31 | 河北君龙新能源开发有限公司 | A kind of compound batteries electrode draws connection device |
| CN107393991A (en) * | 2017-08-14 | 2017-11-24 | 文创科技股份有限公司 | A kind of solar panel and its production technology |
| CN109494279A (en) * | 2018-10-23 | 2019-03-19 | 福建省晶鼎光电股份有限公司 | A kind of method for manufacturing solar cell board |
| CN109585602A (en) * | 2018-12-03 | 2019-04-05 | 江苏中宇光伏科技有限公司 | A kind of double-face electrode solar battery sheet SMT mounting structure and its production technology |
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