CN103794268A - Insulated bus bar, solar cell module including the bus bar, and manufacturing method of the same - Google Patents
Insulated bus bar, solar cell module including the bus bar, and manufacturing method of the same Download PDFInfo
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- CN103794268A CN103794268A CN201310065203.4A CN201310065203A CN103794268A CN 103794268 A CN103794268 A CN 103794268A CN 201310065203 A CN201310065203 A CN 201310065203A CN 103794268 A CN103794268 A CN 103794268A
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- Prior art keywords
- bus
- isolated
- bus bar
- metallic plate
- insulating film
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 26
- 229920001684 low density polyethylene Polymers 0.000 claims description 6
- 239000004702 low-density polyethylene Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 4
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 4
- 229920005672 polyolefin resin Polymers 0.000 claims description 4
- 229920005749 polyurethane resin Polymers 0.000 claims description 4
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract 2
- 238000004801 process automation Methods 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
-
- 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
- H01L31/02—Details
- H01L31/0224—Electrodes
-
- 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
-
- 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
An insulated bus bar, a solar cell module including the insulated bus bar, and a method for manufacturing the same are provided. More specifically, an insulated bus bar having a plate-shaped metal plate and an insulated film layer coating the surface of the metal plate, a solar cell module including the bus bar, and a method for manufacturing the same are provided. The bus bar is provided with the laminated coating insulated film to omit manual operations for attaching insulated sheets in the prior art, thereby achieving the process automation. In this way, the power loss is minimized, so that the module productivity is improved, and the production cost is reduced. Besides, the space for attaching the insulated sheets in the solar cell module is reduced, and the size of the module is reduced. What's more, the problems in design of wires caused by the insulated sheets are solved.
Description
Technical field
The manufacture method that the present invention relates to a kind of isolated bus (bus bar), a kind of solar module and this solar module that comprise this isolated bus disclosed herein, more specifically, relate to a kind of isolated bus that there is the metallic plate of plate shape and be coated on the lip-deep insulating film layer of this metallic plate, manufacture method that comprises solar module and this solar module of this bus of comprising.
Background technology
Along with the existing energy such as oil, colliery is on the verge of to exhaust, to replacing the alternative energy source of the existing energy more and more interesting.In these alternative energy sources, use solar energy chargeable/can discharge secondary cell or solar cell become focus as being conducive to the energy of environmental protection.Especially because solar energy is sufficient and have low environmental pollution, thereby make solar energy more become focus as the energy that is conducive to environmental protection.
In the method for utilizing solar energy, have by using solar heat to produce the solar thermal energy of the required steam of revolving wormgear machine and by using characteristic of semiconductor photon to be converted to the photon energy of electric energy.
Conventionally, there is P-type semiconductor and the semi-conductive junction structure of N-type for photon being converted to the solar module of electric energy.In the time that light incides solar module, light reacts with the semi-conductive material that forms solar module, has the electronics of negative (-) electric charge and has the just hole of (+) electric charge to produce.As a result, when moving, electronics and hole produce electricity.Here, this is known as photovoltaic effect.
Electronics is attracted to the P-type and the semi-conductive N-type of the N-type semiconductor that form solar module, and hole is attracted to P-type semiconductor.Therefore, electronics and hole are respectively towards being connected to N-type and the semi-conductive electrode of P-type moves.Here, in the time that electrode connects by wire, electric power can flow to outside.
In solar cell, P-N pn junction p n battery is connected to each other to form module according to their capacity, and then module (each module all has predetermined volumes) is one another in series and is connected or be connected in parallel to form array by circuit.
For the electric power that solar module is produced is connected to system, by using bus, as medium, the minimum series connection group (string) that is connected in series to each solar cell is electrically connected to terminal box.Here, a terminal box can be arranged on the back side of central upper of a slice solar cell.
Fig. 1 is the schematic diagram of disclosed solar cell in patent documentation.
In patent documentation, disclosed solar module 10 has six series connection groups.In addition the electric power producing in the battery unit 18 of each series connection group, is collected terminal box 40 by bus 20.The terminal block that is connected to bus 20 is arranged in terminal box 40.In addition, negative pole (-) terminal 30 and anodal (+) terminal 32 are connected to a side of terminal box 40.
As shown in Figure 1, bus 20 comprises many upper end buses 22 and 24 and be connected respectively to many lower end buses 26 of the lower end of series connection group of the upper end of the series connection group that is connected respectively to solar module 10.
According to the upper end bus of the solar module of Fig. 1, two busbar arrangement are on left side and right side.In addition, these two buses are intersected with each other to overlap betwixt part.Thereby, may be short-circuited in office, overlapping portion.
As a result, in the prior art, insulating trip can be arranged between the lap of bus, with capable of preventing short circuit.But, may need manually to carry out for inserting the technique of insulating trip.,, after in position locating to be provided with many buses, insulating trip is arranged between the lap of bus.Therefore, may reduce the productivity ratio about module assembled.
[existing document]
[patent documentation]
(patent documentation 1) Korean Patent Registration is announced No. 10-1039050
Summary of the invention
The invention provides a kind of manufacture method of solar module, wherein omit manual insulating trip insertion process by automatically performing poor efficiency module manufacturing process, so that the loss in efficiency in module manufacturing process is minimized, thereby improve module productivity ratio and reduced manufacturing cost.
The present invention also provides a kind of bus that is coated with dielectric film, to reduce the size of module and to have solved the difficult problem in wire design.
Embodiments of the invention provide isolated bus, and this isolated bus comprises: the metallic plate with plate shape; And be coated on the lip-deep insulating film layer of this metallic plate.
In other embodiments of the invention, solar module comprises: many buses; And be electrically connected to multiple battery units of described many buses.
In other embodiment more of the present invention, the manufacture method of solar module is included in stacking isolated bus on substrate.
Accompanying drawing explanation
Comprise that accompanying drawing is to provide a further understanding of the present invention, accompanying drawing is incorporated to and forms a part for specification.Accompanying drawing shows one exemplary embodiment of the present invention, and is used for explaining principle of the present invention together with specification.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the solar module of prior art;
Fig. 2 is the photo that the bus of Fig. 1 is arranged to the state overlapping each other with difformity;
Fig. 3 is the photo of bus according to an embodiment of the invention;
Fig. 4 is the sectional view along the bus according to an embodiment of the invention of the line A-A intercepting of Fig. 3;
Fig. 5 is the sectional view along the bus according to another embodiment of the present invention of the line A-A intercepting of Fig. 3;
Fig. 6 is the sectional view along the bus according to another embodiment of the present invention of the line A-A intercepting of Fig. 3; And
Fig. 7 is the sectional view along the bus according to another embodiment of the present invention of the line A-A intercepting of Fig. 3.
Embodiment
Hereinafter, describe the preferred embodiments of the present invention in detail with reference to accompanying drawing.
With reference to figure 3 and Fig. 4, isolated bus according to the present invention comprises the metallic plate 140 with plate shape and the lip-deep insulating film layer 141 that is coated on metallic plate 140.
Can form metallic plate 140 by the one of selecting from the group that comprises copper (Cu), aluminium (Al), silver (Ag), zinc (Zn) and alloy thereof.
Insulating film layer 141 can be coated in the surperficial part of metallic plate 140 or the whole surface of metallic plate 140 except battery unit 18 and terminal box 40 are electrically connected to the part of bus 20 on.Here, stacked coating process can be used as coating process.Can, at about 2atm under the condition of the temperature of the pressure of about 2.5atm and approximately 100 ℃ to approximately 150 ℃, carry out stacked coating.If be less than the pressure and temperature according to described condition for the pressure and temperature being coated with, the adhesion between insulating film layer 141 and metallic plate 140 may be weakened.On the other hand, if be greater than the pressure and temperature according to described condition for the pressure and temperature being coated with, insulating film layer 141 may be damaged.
Can form insulating film layer 141 by selected one from PETG (PET), low density polyethylene (LDPE) (LDPE), ethylene vinyl acetate (EVA), polyvinyl fluoride (PVF), polyvinyl butyral resin (PVB), olefin resin, acrylic resin, polyurethane resin and combination thereof.
As shown in Figure 4, insulating film layer 141 can be monofilm.Or insulating film layer 141 can be two membranes stacking multilayer film each other at least.Fig. 5 shows wherein insulating film layer and is combined into two-layer multilayer film.
In addition,, if insulating film layer 141 has double-layer structure, the dielectric film being formed by different materials can combination with one another.In the time that insulating film layer is monofilm, insulating film layer can have the thickness of approximately 150 μ m to approximately 180 μ m.On the other hand, in the time that insulating film layer is multilayer film, insulating film layer can have the thickness of approximately 300 μ m to approximately 350 μ m.
Referring to Fig. 7, can between metallic plate 140 and insulating film layer 141, further arrange adhesive layer 142.Can form adhesive layer by selected one from polyurethane resin, epoxy resin, acrylic resin, olefin resin and combination thereof.
The invention provides the solar module of the multiple battery units that comprise many bar insulations bus and be electrically connected to described many buses.
As depicted in figs. 1 and 2, many buses can be arranged on substrate to partly overlap each other or to intersect, thereby form lap betwixt.In addition can be coated with the surface of the bus in the region that comprises lap.
In addition can be coated with the surface of bus and one of the top surface of bus and basal surface of facing with another bus of shared lap.Particularly, in the time that two buses (i.e. the first bus 22 and the second bus 24) overlap each other or intersect in office, overlapping portion, can be coated with the surface of the first bus 22 and one of the top surface of the first bus 22 and basal surface of facing with the second bus 24.This can be applied to the second bus 24 equally.For example, if be arranged on the second bus 24 at office, overlapping portion the first bus 22 as shown in Figure 6, insulating film layer 141 can only be coated on the top surface of metallic plate 140 of the second bus.Or as shown in Figure 4, insulating film layer 141 can be coated on whole top surfaces and basal surface of metallic plate 140.
The invention provides a kind of manufacture method of solar module, the method is included in stacking isolated bus on substrate.According to said method, the technology generations that the included technique that forms many buses on substrate and the technique of inserting insulating trip between bus can be arranged isolated bus in manufacturing the technique of solar cell according to prior art is replaced.Can enhance productivity, and can automatically perform the technique of inserting insulating trip.
May in use be restricted according to isolated bus of the present invention.For example, except solar cell, isolated bus can be widely used for secondary cell.
According to the present invention, the stacked bus that is coated with dielectric film can be provided, to omit the manual process for insert insulating trip between bus, thereby realize automation technolo.Therefore, due to the efficiency losses in module manufacturing process is minimized, thereby can improve module productivity ratio, and can reduce manufacturing cost.
In addition, owing to having omitted the space of attached insulating trip in existing solar cell, thereby can reduce the size of module.In addition can solve, a difficult problem for the wire design causing due to insulating trip.
But as mentioned above, the present invention can should be understood to be limited to multi-form embodiment and not the embodiment setting forth here.It will be understood by those skilled in the art that in the situation that does not depart from the spirit and scope of the present invention that appended claims limits, can carry out various modifications to the form of these embodiment and details.
Claims (16)
1. an isolated bus, comprising:
Metallic plate, has plate shape; And
Insulating film layer, is coated on the surface of described metallic plate.
2. isolated bus according to claim 1, wherein said metallic plate is formed by selected one from the group that comprises copper (Cu), aluminium (Al), silver (Ag), zinc (Zn) and alloy thereof.
3. isolated bus according to claim 1, wherein said insulating film layer be coated in the surperficial part of described metallic plate or the whole surface of described metallic plate except battery unit and terminal box are electrically connected to the part of described bus on.
4. isolated bus according to claim 1, wherein coating process comprises stacked coating process.
5. isolated bus according to claim 4, wherein said stacked coating process is carried out under the condition of the temperature of the pressure of about 2.5atm and about 100 ℃ to about 150 ℃ at about 2atm.
6. isolated bus according to claim 1, wherein said insulating film layer is formed by selected one from the group that comprises PETG (PET), low density polyethylene (LDPE) (LDPE), ethylene vinyl acetate (EVA), polyvinyl fluoride (PVF), polyvinyl butyral resin (PVB), olefin resin, acrylic resin, polyurethane resin and combination thereof.
7. isolated bus according to claim 1, wherein said insulating film layer comprise monofilm or at least two-layer each other stacking and combination multilayer film.
8. isolated bus according to claim 7, wherein said monofilm has the thickness of about 150 μ m to 180 μ m.
9. isolated bus according to claim 7, wherein said multilayer film has the thickness of about 300 μ m to about 350 μ m.
10. isolated bus according to claim 1, also comprises the adhesive layer between described metallic plate and described insulating film layer.
11. isolated buses according to claim 10, wherein said adhesive layer is by from being formed by selected one from polyurethane resin, epoxy resin, acrylic resin, olefin resin and combination thereof.
12. 1 kinds of solar modules, comprising:
According to many buses described in any one in claim 1 to 11; And
Be electrically connected to multiple battery units of described many buses.
13. solar modules according to claim 12, wherein said many buses are arranged to and partly overlap each other or intersect on substrate, thereby form lap between described many buses.
14. solar modules described in 13 as requested, are wherein coated with the surface in the region that comprises described lap of described bus.
15. solar modules according to claim 14, are wherein coated with the surface of other bus and one of the top surface of described bus and basal surface in the face of sharing described lap of described bus.
The manufacture method of 16. 1 kinds of solar modules, is included on substrate stacking according to the isolated bus described in any one in claim 1 to 11.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120120892A KR101274720B1 (en) | 2012-10-30 | 2012-10-30 | Insulated bus bar, solar cell module including the bus bar, and manufacturing method of the same |
| KR10-2012-0120892 | 2012-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103794268A true CN103794268A (en) | 2014-05-14 |
Family
ID=48866981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310065203.4A Pending CN103794268A (en) | 2012-10-30 | 2013-03-01 | Insulated bus bar, solar cell module including the bus bar, and manufacturing method of the same |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101274720B1 (en) |
| CN (1) | CN103794268A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109935657A (en) * | 2017-12-19 | 2019-06-25 | 天津环欧国际新能源科技有限公司 | Lamination laying process of solar photovoltaic module |
| KR20240030979A (en) | 2022-08-31 | 2024-03-07 | (주)엘엑스하우시스 | Building-integrated solar cell module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080276981A1 (en) * | 2007-05-09 | 2008-11-13 | Sanyo Electric Co., Ltd. | Solar cell module |
| US20080284375A1 (en) * | 2007-05-16 | 2008-11-20 | Hitachi Vehicle Energy, Ltd. | Cell controller, battery module and power supply system |
| CN201515186U (en) * | 2009-07-02 | 2010-06-23 | 贵阳铝镁设计研究院 | AC bus insulation structure of rectifier unit |
| CN102237440A (en) * | 2010-04-22 | 2011-11-09 | 韩国铁钢株式会社 | Photovoltaic device and manufacturing thereof |
| CN103597634A (en) * | 2011-06-09 | 2014-02-19 | 株式会社自动网络技术研究所 | Battery wiring module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3437027B2 (en) * | 1996-03-27 | 2003-08-18 | シャープ株式会社 | Solar cell module |
| KR101144935B1 (en) * | 2011-11-11 | 2012-05-11 | (주)미르솔라 | Pcb type of bus bar for solar cell |
-
2012
- 2012-10-30 KR KR1020120120892A patent/KR101274720B1/en active IP Right Grant
-
2013
- 2013-03-01 CN CN201310065203.4A patent/CN103794268A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080276981A1 (en) * | 2007-05-09 | 2008-11-13 | Sanyo Electric Co., Ltd. | Solar cell module |
| US20080284375A1 (en) * | 2007-05-16 | 2008-11-20 | Hitachi Vehicle Energy, Ltd. | Cell controller, battery module and power supply system |
| CN201515186U (en) * | 2009-07-02 | 2010-06-23 | 贵阳铝镁设计研究院 | AC bus insulation structure of rectifier unit |
| CN102237440A (en) * | 2010-04-22 | 2011-11-09 | 韩国铁钢株式会社 | Photovoltaic device and manufacturing thereof |
| CN103597634A (en) * | 2011-06-09 | 2014-02-19 | 株式会社自动网络技术研究所 | Battery wiring module |
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| Publication number | Publication date |
|---|---|
| KR101274720B1 (en) | 2013-06-12 |
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Application publication date: 20140514 |