CN102983196A - Solar cell module - Google Patents
Solar cell module Download PDFInfo
- Publication number
- CN102983196A CN102983196A CN2012105171159A CN201210517115A CN102983196A CN 102983196 A CN102983196 A CN 102983196A CN 2012105171159 A CN2012105171159 A CN 2012105171159A CN 201210517115 A CN201210517115 A CN 201210517115A CN 102983196 A CN102983196 A CN 102983196A
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- CN
- China
- Prior art keywords
- busbar
- head end
- coated
- battery strings
- bus bars
- 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.)
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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
Abstract
A solar cell module comprises a plurality of cell strings formed by connecting single cell pieces in series, and further comprises EVA, a rear panel, an aluminum frame and a junction box; the plurality of cell strings are connected in series through bus bars to form a positive pole and a negative pole; bypass diodes are arranged among the cell strings; and the integration bus bars comprise a head end integrated bus bar and a tail end integrated bus bar. The solar cell component is characterized in that the head end integrated bus bar comprises a substrate layer and a tin-coated copper strip sheet embedded onto the substrate layer. The solar cell module facilitates standardized and regulated production of bus bars; during assembly, no any insulating measures are needed for the bus bars, the time and labor are saved, the efficiency is high, and the quality is reliable; the bypass diodes are directly arranged on the bus bars, which not only facilitates heat dissipation of the bypass diodes but also can lower the manufacture cost of the junction box.
Description
Technical field
The present invention relates to a kind of solar module.
Background technology
Solar module is the core of solar power system, and its effect is to convert solar energy into electrical energy, or is sent to accumulators store, or promotes loaded work piece.Its structure is by some cell sheet series and parallels, and the parts such as terminal box, toughened glass, aluminum alloy frame consist of.Form a battery strings after the series connection of some cell sheets, many battery strings form the assembly battery after busbar connects, and the positive and negative polarities of the assembly battery then binding post in the terminal box are drawn, thereby form a working cell of solar power generation power-supply system.On the make there are the following problems for existing solar module: 1, for satisfy between the battery strings, insulating requirements between the cell piece, need to carry out strict insulation isolation to busbar with materials such as TPT/PET, the efficient that not only wastes time and energy is low, and also has the hidden trouble of short circuit.2, busbar needs before the use to cut for being coated with the tin copper strips temporarily, stays burr as careless slightly cutting side, and the potential safety hazard that punctures backboard is just arranged.3, the bypass diode that plays the partition effect is placed in the terminal box, because heat radiation need to cause the manufacturing cost of terminal box higher.
Summary of the invention
The problems referred to above that exist for overcoming prior art, the present invention aims to provide a kind of solar module of structure novel, that this assembly not only has is easy to make, wiring rationally, advantage that production efficiency is high, particularly can effectively stop the generation of assembly battery short circuit phenomenon, thereby lay a good foundation for the safe operation of solar power system.
For addressing the above problem, the present invention has adopted following technical scheme: the structure of this solar module, comprise some the battery strings that formed by the series connection of cell sheet, and frame, backboard and terminal box, described some battery strings form a positive pole and a negative pole after the busbar series connection, between described battery strings, be provided with bypass diode, described busbar is divided into head end busbar and terminal busbar, it is characterized in that: described head end busbar is made of insulated base material layer and the tin copper strips sheet that is coated with that is embedded on this insulated base material layer.
During as preferred implementation, the width after the length of described head end busbar and described some battery strings are arranged is complementary.
During as preferred implementation, described bypass diode is arranged on the described head end busbar.
During as preferred implementation, described terminal busbar is made of insulated base material layer and the tin copper strips sheet that is coated with that is embedded on this insulated base material layer.
During as preferred implementation, the described thickness that is coated with tin copper strips sheet is 0.2-0.35mm.
Beneficial effect: compared with prior art, the present invention with busbar make into insulated base material layer and be embedded on this insulated base material layer be coated with tin copper strips chip architecture after, have plurality of advantages.At first, can produce in batches in advance depending on normally used assembly battery strings situation, be conducive to standardization, standardization production and guarantee the busbar quality.Secondly, when package assembling, can directly the battery strings link be welded on being coated with on the tin copper strips sheet of busbar, and not need to take any insulation measures, and the operation such as cut, not only time saving and energy saving efficient height, and reliable in quality short circuit phenomenon can not occur.At last, bypass diode directly is placed on the busbar, is conducive to the heat radiation of bypass diode, because not considering the factors such as heat radiation, the volume of terminal box can dwindle greatly, thereby is conducive to reduce its manufacturing cost.
Also the invention will be further described by reference to the accompanying drawings below by embodiment.
Description of drawings
Fig. 1 is the structure schematic diagram of the solar module of one embodiment of the invention.
Fig. 2 is the structure for amplifying schematic diagram of head end busbar among Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram of terminal busbar among Fig. 1.
Among the figure: frame 1, backboard 2, terminal busbar 3, bypass diode 31 is coated with tin copper strips sheet 32, terminal box 4 between string, head end busbar 5, insulated base material layer 51 is coated with tin copper strips sheet 52, positive terminal 521, be coated with tin copper strips sheet 53, negative terminal 531 is coated with tin copper strips sheet 54 between string, be coated with tin copper strips sheet 55 between string, bypass diode 56.
Embodiment
Referring to Fig. 1.This figure is mainly used in illustrating the installation site of head end busbar 5 and terminal busbar 3, generally will be called near the busbar of terminal box 4 head end busbar 5, and superposed busbar is called terminal busbar 3.On function, terminal busbar 3 only is used for positive and negative connection between the battery strings, and head end busbar 5 also directly is connected with outer lead except the both positive and negative polarity that is used for assembly connects.
Maximum innovation place of the present invention mainly is the architecture advances to head end busbar 5, will originally just be coated with the busbar of tin copper strips sheet that is:, has made into to set the integrated bus bars that is coated with tin copper strips sheet in insulated base material layer 51.Although improve simply, the effect of bringing is extremely obvious, for avoiding the short circuit between battery strings, the cell piece, improves assembly reliability and can lay a good foundation.Certainly, terminal busbar 3 also done corresponding the improvement after, then effect is more obvious.
Referring to Fig. 2, the figure shows a kind of structure of the head end busbar 5 corresponding to six battery strings.At first, the length of this busbar 5 is consistent with the width after six battery strings arrangements.Be positioned at being respectively of two ends and be coated with tin copper strips sheet 52 and 53, as the cell piece positive pole of assembly and the brace of negative pole, it is L shaped accordingly that shape all is respectively for they, and adjacent in the middle of positive terminal 521 and negative terminal 531 are arranged on is as pinout connector.Be coated with tin copper strips sheet 54 and 55 between string and be used for the connection between the both positive and negative polarity between string, insulated base material layer is resistant to elevated temperatures pcb board, is coated with tin copper strips sheet and insulating substrate becomes one by etching or printing with certain thickness.Three bypass diodes 56 are separately positioned between the string of battery strings, and when running into hot spot effect, bypass diode can automatically be crossed this string battery strings and link to each other with other battery strings and work on.The main effect of bypass diode namely prevents burning of cell piece.
Busbar 5 structures of corresponding different battery strings quantity, it is quantitatively different just to be coated with tin copper strips sheet between string, for example as the assembly of six battery strings, has and is coated with tin copper strips sheet 54 and 55 between two strings; If as the assembly of four battery strings, be coated with tin copper strips sheet between string and then only need one; And with respect to the assembly of eight battery strings, being coated with tin copper strips sheet between string has just had three.
Referring to Fig. 3.The structure of terminal busbar 3 is relatively simpler, and the assembly of corresponding six battery strings arranges and is coated with tin copper strips sheet 32 between three strings and gets final product, and 31 is insulated base material layer.
No matter be head end busbar 5, or terminal busbar 3 its length all should be consistent with the width after all battery strings arrangements, only in this way just can make battery strings directly be vertically welded in being coated with on the tin copper strips sheet of busbar.The thickness that is coated with tin copper strips sheet is generally 0.2-0.35mm, is conducive to improve the photoelectric conversion efficiency of assembly.
Above-described embodiment only is used for mentality of designing of the present invention is described, and should be as limitation of the invention, and any simple distressed structure of having done under the design's thinking inspires all should be included protection scope of the present invention in.
Claims (5)
1. solar module, comprise some the battery strings that formed by the series connection of cell sheet, and frame (1), backboard (2) and terminal box (4), described some battery strings form a positive pole and a negative pole after the busbar series connection, between described battery strings, be provided with bypass diode (56), described busbar is divided into head end busbar (5) and terminal busbar (3), it is characterized in that: described head end busbar (5) is made of insulated base material layer (51) and the tin copper strips sheet (52,53) that is coated with that is embedded on this insulated base material layer (51).
2. solar module as claimed in claim 1 is characterized in that: the length of described head end busbar (5) is consistent with the width after described many battery strings are arranged.
3. solar module as claimed in claim 1, it is characterized in that: described bypass diode (56) is arranged on the described head end busbar (5).
4. solar module as claimed in claim 1 is characterized in that: described terminal busbar (3) is made of insulated base material layer (31) and the tin copper strips sheet (32) that is coated with that is embedded on this insulated base material layer (31).
5. such as claim 1 or 4 described solar modules, it is characterized in that: the described thickness that is coated with tin copper strips sheet (52,53,32) is 0.2-0.35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105171159A CN102983196A (en) | 2012-12-06 | 2012-12-06 | Solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105171159A CN102983196A (en) | 2012-12-06 | 2012-12-06 | Solar cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102983196A true CN102983196A (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105171159A Pending CN102983196A (en) | 2012-12-06 | 2012-12-06 | Solar cell module |
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| CN (1) | CN102983196A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4068391B1 (en) * | 2021-03-30 | 2024-01-03 | Golden Solar (Quanzhou) New Energy Technology Co., Ltd. | Fpcb/fccl replacing tinned-copper welding strip as photovoltaic module bus bar |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488536A (en) * | 2007-09-13 | 2009-07-22 | 胡玉海 | Convergence belt for solar photovoltaic component and method for assembling solar panel by convergence belts |
| CN202231045U (en) * | 2011-10-17 | 2012-05-23 | 阿特斯(中国)投资有限公司 | Solar battery component |
| KR101172017B1 (en) * | 2011-12-09 | 2012-08-08 | (주)티앤솔라 | Pcb type of bus bar using manufacture methode of solar cell |
| CN202977478U (en) * | 2012-12-06 | 2013-06-05 | 乐叶光伏股份有限公司 | Solar cell module |
-
2012
- 2012-12-06 CN CN2012105171159A patent/CN102983196A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488536A (en) * | 2007-09-13 | 2009-07-22 | 胡玉海 | Convergence belt for solar photovoltaic component and method for assembling solar panel by convergence belts |
| CN202231045U (en) * | 2011-10-17 | 2012-05-23 | 阿特斯(中国)投资有限公司 | Solar battery component |
| KR101172017B1 (en) * | 2011-12-09 | 2012-08-08 | (주)티앤솔라 | Pcb type of bus bar using manufacture methode of solar cell |
| CN202977478U (en) * | 2012-12-06 | 2013-06-05 | 乐叶光伏股份有限公司 | Solar cell module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4068391B1 (en) * | 2021-03-30 | 2024-01-03 | Golden Solar (Quanzhou) New Energy Technology Co., Ltd. | Fpcb/fccl replacing tinned-copper welding strip as photovoltaic module bus bar |
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Application publication date: 20130320 |