CN105702802A - Process and system for producing photovoltaic modules - Google Patents
Process and system for producing photovoltaic modules Download PDFInfo
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- CN105702802A CN105702802A CN201510938909.6A CN201510938909A CN105702802A CN 105702802 A CN105702802 A CN 105702802A CN 201510938909 A CN201510938909 A CN 201510938909A CN 105702802 A CN105702802 A CN 105702802A
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- sealant layer
- transparent body
- photovoltaic
- photovoltaic cell
- front transparent
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The present invention relates to a process and system for producing photovoltaic modules. A photovoltaic module can be produced by suspending a photovoltaic cell with a front side of the photovoltaic cell facing upward, positioning a backsheet and a first encapsulant layer underneath the suspended photovoltaic cell, lowering the suspended photovoltaic cell into contact with the first encapsulant layer wherein a back side of the photovoltaic cell contacts the first encapsulant layer, applying a second encapsulant layer over at least the front side of the photovoltaic cell, positioning a front transparency onto the second encapsulant layer, and curing the first encapsulant layer and the second encapsulant layer.
Description
Technical field
This application claims the benefit of priority of the U.S. Patent application No.14/571.617 of December in 2014 submission on the 16th, and also require the benefit of priority of the U.S. Provisional Patent Application No.62/092396 of December in 2014 submission on the 16th。This specification relates to manufacture process and the system of photovoltaic module。This specification further relates to the photovoltaic module manufactured by described process and system。
Background technology
Information described in the background does not admit it is prior art。
It is packed and be laminated to the photovoltaic cell between the front transparent body and backboard that photovoltaic module can include at least one。The manufacture of this photovoltaic module can include experience vacuum lamination operation to seal sealant material and the module that sticked together by building block pre-installs the manufacture of accessory。The lamination of module prepackage accessory can be placed in vacuum lamination apparatus and perform by module is pre-installed accessory, wherein vacuum lamination apparatus use compliance barrier film come compression module prepackage accessory and reduce pressure and rising temperature conditions under bonded seal agent material, to manufacture the photovoltaic module of lamination。Laminating operation utilizes sealant material sealed photovoltaic battery between the front transparent body and backboard of bonding。
Vacuum lamination for manufacturing photovoltaic module operates and may require that for equipment and the big capital investment controlling system。Additionally, mechanical compress required during vacuum lamination operates can make silicon semiconductor photovoltaic cell manufacture crack, this crack is substantially crisp and frangible, thus breakage high undesirably and equipment discard rate during causing manufacturing。Therefore it provides process and system for manufacturing the photovoltaic module not needing vacuum lamination operation will be advantageous for。
Summary of the invention
Process for manufacturing photovoltaic module includes hanging photovoltaic cell, and wherein the leading flank of photovoltaic cell is upward；Location backboard and the first sealant layer below the photovoltaic cell hung；The photovoltaic cell of suspension is reduced to and contacts with the first sealant layer, wherein backside contact first sealant layer of photovoltaic cell；Coating (apply) second sealant layer at least front side of photovoltaic cell；The front transparent body is navigated on the second sealant layer；And solidify the first sealant layer and the second sealant layer。
Process for manufacturing photovoltaic module includes the photovoltaic battery array hanging the photovoltaic cell including multiple electrical interconnection, and wherein when being hung, the leading flank of photovoltaic cell is upward；Location backboard and the first sealant layer below the photovoltaic battery array hung；The photovoltaic battery array of suspension is reduced to and contacts with the first sealant layer, wherein backside contact first sealant layer of photovoltaic cell；It is coated with the second sealant layer at least front side of photovoltaic cell and electrical interconnection；The front transparent body is navigated on the second sealant layer；And solidify the first sealant layer and the second sealant layer。
Should be appreciated that the invention of disclosure and description in this manual is not limited in present invention each side of general introduction。
Accompanying drawing explanation
The each side of the process of disclosure and description, system and photovoltaic module is referred to accompanying drawing and is more fully understood that in this manual, wherein:
Fig. 1 is the side cross-section schematic diagram of the not to scale (NTS) of the photovoltaic cell including p-doping and n-doped silicon wafer, and front contact is deposited on the front surface of silicon wafer, and back contact is deposited on the rear surface of silicon wafer, and this rear surface is relative with front surface；
Fig. 2 is the side cross-section schematic diagram of the not to scale (NTS) of a part for the photovoltaic module including photovoltaic battery array, and wherein photovoltaic battery array includes the photovoltaic cell of multiple electrical interconnection；
Fig. 3 A is the side cross-section schematic diagram of not to scale (NTS) of photovoltaic module backboard including wheel rim at the periphery of backboard；Fig. 3 B is the perspective diagram of the not to scale (NTS) of the photovoltaic module backboard shown in Fig. 3 A；
Fig. 4 is the side cross-section schematic diagram of the not to scale (NTS) of the sealant layer being coated to photovoltaic module backboard, and wherein photovoltaic module backboard includes the circumference wheel rim around sealant layer；
Fig. 5 A-5C is the side cross-section schematic diagram of the not to scale (NTS) for hanging the cell stack compression systems of photovoltaic battery array (presssystem)；
Fig. 6 A-6C is the side cross-section schematic diagram of the not to scale (NTS) for photovoltaic battery array navigates to the cell stack compression systems on sealant layer, and wherein sealant layer is coated to photovoltaic module backboard；
Fig. 7 is the side cross-section schematic diagram of the not to scale (NTS) for photovoltaic battery array navigates to the cell stack compression systems on sealant layer in atmosphere of inert gases；
Fig. 8 is the side cross-section schematic diagram of the not to scale (NTS) being coated to the second sealant layer of photovoltaic module backboard, photovoltaic battery array and the first sealant layer, and wherein photovoltaic module backboard includes the circumference wheel rim around photovoltaic battery array and sealant layer；
Fig. 9 A-9C is for being navigated to by the front transparent body on sealant layer to form the side cross-section schematic diagram of the not to scale (NTS) of the extrusion system of photovoltaic module prepackage accessory；
Figure 10 A and 10B is for being navigated to by the front transparent body on sealant layer to form the side cross-section schematic diagram of the not to scale (NTS) of the robot system of photovoltaic module prepackage accessory；
Figure 11 A-11C is the side cross-section schematic diagram of the not to scale (NTS) of the photovoltaic module of the process described in this specification and system manufacture。
Consider below to the detailed description according to the process of this specification, system and photovoltaic module after, readers will recognize that aforementioned aspects and other。
Detailed description of the invention
The process for manufacturing photovoltaic module described in this manual can include the manufacture from back to front of order。As contact in this manual photovoltaic cell and module and manufacture thereof use, term " front " refers in operation outwardly towards the side of the structure of incident illumination or surface, and term " back of the body " refers to side or the surface of the structure away from incident illumination in operation。
Such as, with reference to Fig. 1, photovoltaic cell 10 includes the flat shape structure with front side 11 and dorsal part 12。The dorsal part 12 of photovoltaic cell 10 can with front side 11 relative localization, as shown in the figure。Photovoltaic cell 10 includes the electric contact 13 and 14 being positioned on the opposite side of n-doping and p-doped silicon semiconductor wafer 15。Front contact 13 can position on the front side of semiconductor silicon wafer 15 and contact with n-doped region 16。Back of the body contact 14 can position on the dorsal part of semiconductor silicon wafer 15 and contact with p-doped region 17。The front side 11 of photovoltaic cell 10 can be configured to be absorbed into the incident illumination of semiconductor silicon wafer 15 and generate charge carrier with photovoltaic。
Photovoltaic module can include the photovoltaic cell between the front transparent body and backboard。Such as, with reference to Fig. 2, photovoltaic module 20 includes photovoltaic battery array 25, and this photovoltaic battery array 25 includes the multiple photovoltaic cells 30 connected via electrical interconnection 35。Photovoltaic battery array 25 may be located at and is bonded in the front transparent body 41 and backboard 42 sealant material layer 45 that sticks together with it。The front transparent body 41 constitutes the front surface/side 21 of photovoltaic module 20, and backboard 42 constitutes the back surface/side 22 of photovoltaic module 20。
Photovoltaic module manufacture process from back to front from backboard, can include the wheel rim being positioned at backboard periphery alternatively。Such as, with reference to Fig. 3 A and 3B, backboard 52 includes the wheel rim 54 of the periphery at backboard 52。Wheel rim 54 highlights and surrounds the frontal plane surface 56 of this backboard 52 from the frontal plane surface 56 of backboard 52。Wheel rim 54 defines volume 55 together with frontal plane surface 56, and during the manufacturing step process of downstream, other parts of photovoltaic module may be located in this volume。
Backboard such as the backboard 52 shown in Fig. 3 A and 3B can include but not limited to following material: glass plate, metallic plate or paper tinsel, or polymer sheet, such as poly-(fluorothene) (PVF) plate, poly-(tetrafluoroethene) (PTFE) plate, poly-(ethylene-tetrafluoroethylene) (PETFE) plate, poly-(ethylene glycol terephthalate) (PET) plate, polyester sheet, polysiloxanes plate, polyurethane sheet, polyureas plate, poly-(urethane-carbamide) plate, or their combination in any。In some respects, the polymer sheet of preforming can be included such as the backboard of the backboard 52 shown in Fig. 3 A and 3B。Backboard can utilize any suitable manufacturing technology preforming, such as by the resin-cast of liquid/melted to the mould of suitable shape and solidify/solidify resin。Such as, Suitable thermosetting liquid polyureas or poly-(urethane-urea) synthetic that can be cast and be cured to form precuring backboard include being in that JIUYUE in 2014 is submitted to and authorizes the U.S. Patent application No.14/484 of Hensel et al. on the 12nd, those described in 919, this application is incorporated in this specification by reference。For including the backboard surrounding the wheel rim of circumference, as it has been described above, rim section can be cast with planar section in the mould of suitable shape and solidify/solidify simultaneously, it is consequently formed the seamless preforming backboard including overall circumference wheel rim。
Photovoltaic module manufacture process can include being coated on backboard the first sealant layer。As shown in the figure, for instance, in the diagram, the first sealant layer 75 can be applied on backboard 52, and wherein, backboard 52 includes the wheel rim 54 of the periphery at backboard。Wheel rim 54 is around the first sealant layer 75 (see Fig. 3) of the volume 55 being positioned on frontal plane surface 56 and at backboard 52。First sealant layer can include the preformed solid sheet of the sealant material that can be applied on backboard。As an alternative, the first sealant layer can include the liquid sealant material that can be applied on backboard as deposit liquid dope layer, and this liquid sealant material is cured in curing schedule subsequently。The optional rim section of backboard may be embodied in the coating liquid layer of deposition be cured to form sealed solid oxidant layer before and after subsequent fabrication steps during the coating liquid layer that deposits (in the volume being made up of together with wheel rim frontal plane surface) on frontal plane surface。Liquid sealant material can utilize coating deposition operation to be applied on backboard, and this coating deposition operation is coated with such as spraying, dip-coating, roller coating, brushing, roller coat, curtain coating, flow coat, cylindrical hole, and channel mould is coated with。
On the other hand, the first sealant layer can include the powdery paints synthetic being applied on backboard as the powder coating layer of deposition, and it can be cured in curing schedule subsequently。The optional rim section of backboard may be embodied in the powder coating layer of deposition be cured to form sealed solid oxidant layer before and after subsequent fabrication steps during the powder coating layer that deposits (in the volume being made up of together with wheel rim frontal plane surface) on frontal plane surface。Powdery paints can utilize electrostatic precipitation or other suitable powdery paints deposition technique to be applied on backboard。
First sealant layer can include, such as, solid vinyl vinylacetate (EVA) plate of preforming, silicone encapsulant are (such as, as described in U.S. Patent Application Publication No.2011/0061724A1, this application is incorporated in this specification by introducing), or can be deposited and be cured to form the curable liquid encapsulant agent of sealed solid oxidant layer, such as heat-curable urethane, polyureas or the coating compostion based on poly-(urethane-urea)。Suitable curable liquid encapsulant agent is described in such as U.S. Patent Application Publication No.2013/0240019A1, and this application is incorporated in this specification by reference。Such as, on the one hand, backboard can include the polyureas plate of precuring, and the first sealant layer can include such as heat-curable urethane and be coated with the fluid sealant of lamination compound。On the other hand, fluid sealant can include heat-curable urethane coating composition, and this synthetic is included under external condition or in the temperature-curable raised to improve polyester polyol resin and the polyisocyanate crosslinking agent of solidification rate。
Photovoltaic module manufacture process can include hanging photovoltaic cell or including the photovoltaic battery array of photovoltaic cell of multiple electrical interconnection, and wherein when being hung, the leading flank of photovoltaic cell is upward。With reference to Fig. 5 A-5C, photovoltaic battery array 85 can utilize cell stack compression systems 100 to hang。Photovoltaic battery array 85 includes the photovoltaic cell 90 connected via electrical interconnection 95。Cell stack compression systems 100 includes the vacuum system 115 in the hole 105 being operably connected in vertically moving pressing plate 110。Pressing plate 110 can vertically move along vertical axis 120, and this allows pressing plate 110 reduce towards conveyer belt 80 and be lifted away from conveyer belt 80。Hanging photovoltaic array 85 can include utilizing cell stack compression systems 110 to lift photovoltaic cell 90, photovoltaic cell 90 is fixed to pressing plate 110 by front side that its mesopore 105 contacts photovoltaic cell 90 and the vacuum pressure applied by hole 105。
As shown in Figure 5 A, photovoltaic battery array 85 may be located on conveyer belt 80, and conveyer belt 80 contacts dorsal part the photovoltaic array supported from below 85 of photovoltaic cell 90。Conveyer belt 80 can include in the lower section of cell stack compression systems 100 for the suitable mechanism of the photovoltaic array 85 of assembling before positioning and supporting。Pressing plate 110 can reduce along vertical axis 120 towards photovoltaic array 85 and conveyer belt 80。As shown in Figure 5 B, the motion downward vertically of pressing plate 110 is interrupted when can contact the supine front side of photovoltaic cell 90 in hole 105, and during this time, photovoltaic cell 90 is fixed to pressing plate 110 by the vacuum pressure applied from vacuum system 115 by hole 105。As shown in Figure 5 C, while maintaining the vacuum pressure applied by hole 105 from vacuum system 115, pressing plate 110 can be raised along vertical axis 120 away from conveyer belt 80, thus maintain contacting between the pressing plate 110 of rising and photovoltaic cell 90, thus lifting photovoltaic cell 90 and hanging photovoltaic battery array 85。Cell stack compression systems 100 can by robot, hydraulic pressure, pneumatic or utilize other suitable actuating mechanism any to operate, with along vertical axis 120 vertically downward and the pressing plate 110 that moves up。
Each side according to the process described in this manual, can be used to hang photovoltaic battery array and perform other operation described below at the battery press described in the U.S. Patent No. 8,420,412 being incorporated into by reference in this specification。
Photovoltaic module manufacture process can include location backboard and the first sealant layer below the photovoltaic cell hung or photovoltaic battery array。Before backboard and the first sealant layer position below the photovoltaic cell hung or photovoltaic battery array, the first sealant layer can be coated on backboard, as mentioned above。Photovoltaic module manufacture process can also include photovoltaic cell or the photovoltaic battery array of suspension are reduced to and are contacted with the first sealant layer, wherein backside contact first sealant layer of photovoltaic cell。
With reference to Fig. 6 A, backboard 152 and the first sealant layer 175 can position below the photovoltaic battery array 85 above in conjunction with Fig. 5 A-5C suspension described。Backboard 152 includes the wheel rim 154 of the periphery at backboard 152。Wheel rim 154 highlights and surrounds the frontal plane surface of this backboard 152 and the first sealant layer 175 from the frontal plane surface of backboard 152 and the first sealant layer 175。Wheel rim 154 defines the volume comprising the first sealant layer 175 together with this frontal plane surface。The volume defined by wheel rim 154 and frontal plane surface may be embodied in other parts of the photovoltaic module positioned during following downstream manufacturing step。Backboard 152 and the first sealant layer 175 are positioned on conveyer belt 180, and conveyer belt 180 contacts the dorsal part of backboard 152 backboard supported from below 152 and the first sealant layer 175。Conveyer belt 180 can include for the suitable mechanism of location supporting back board 152 and the first sealant layer 175 below cell stack compression systems 100。
The pressing plate 110 of the photovoltaic battery array 85 with suspension can reduce along vertical axis 120 towards the first sealant layer 175 and backboard 152。As depicted in figure 6b, moving downward vertically of pressing plate 110 can be interrupted when backside contact first sealant layer 175 of photovoltaic cell 90, during this time, can interrupt from vacuum system 115 vacuum pressure that applied by hole 105, thus discharge photovoltaic battery array 85 from pressing plate 110。As shown in figure 6c, after interrupting passing through, from vacuum system 115, the vacuum pressure that hole 105 applies, pressing plate 110 can be lifted away from along vertical axis 120 from photovoltaic battery array the 85, first sealant layer 175 and backboard 152。When pressing plate 110 is lifted away from from photovoltaic battery array 85, electrical interconnection 95 and/or photovoltaic cell 90 keep and the contacting of the first following sealant layer 175。The back surface of photovoltaic cell 90 contacts the first following sealant layer 175, and the front surface of photovoltaic cell 90 is outwardly away from the first sealant layer 175。As it is indicated above, cell stack compression systems 100 can pass through robot, hydraulic pressure, pneumatic or utilize other suitable actuating mechanism operation any, with along vertical axis 120 vertically downward and the pressing plate 110 that moves up。The rim section 154 of backboard 152 can surround the first sealant layer 175 and photovoltaic battery array 85。
Photovoltaic module manufacture process can include, photovoltaic cell or the photovoltaic battery array of suspension are being reduced to before contacting with the first sealant layer, between the photovoltaic cell or photovoltaic battery array and the first sealant layer that hang, are introducing noble gas (such as nitrogen, argon etc.)。Such as, confined chamber can be configured so that around the photovoltaic battery array hung, backboard and the first sealant layer。Confined chamber can be rinsed with noble gas, to manufacture atmosphere of inert gases between the photovoltaic cell or photovoltaic battery array and the first sealant layer that hang。When backside contact first sealant layer of photovoltaic cell, the photovoltaic cell of suspension or the atmosphere of inert gases between photovoltaic battery array and the first sealant layer can be maintained。If the first sealant layer includes fluid sealant, then atmosphere of inert gases can reduce during photovoltaic cell or photovoltaic battery array position the incidence rate of bubble formation in liquid seal oxidant layer, and the oxygen that all can relatively small and not be trapped of any bubble formed in liquid seal oxidant layer and dampness。
With reference to Fig. 7, for instance, backboard 152 and the first sealant layer 175 can position below the photovoltaic battery array 85 hung。Backboard the 152, first sealant layer 175 and the photovoltaic battery array 85 hung can position in confined chamber 185。Confined chamber 185 can be formed between pressing plate 110 and locular wall 181, and its center platen 110 and locular wall 181 engage and airtight 183。The pressing plate 110 of the photovoltaic battery array 85 with suspension can reduce along vertical axis 120 towards the first sealant layer 175 and backboard 152 in confined chamber 185。Confined chamber 185 can be used to rinse from the noble gas of inert gas source 189。Atmosphere of inert gases can manufacture in confined chamber 185 between the photovoltaic battery array 85 and the first sealant layer 175 that hang, and when pressing plate 110 reduces and is maintained during backside contact first sealant layer 175 of photovoltaic cell 90。It addition, the method and system shown in Fig. 7 can to operate with above in conjunction with the same or analogous mode described in Fig. 6 A-6C。
Photovoltaic module manufacture process can include being coated with the second sealant layer at least front side of the photovoltaic cell being positioned on the first sealant layer。Such as, the second sealant layer can be applied and cover at least front side of the photovoltaic cell constituted and electrical interconnection on the photovoltaic battery array being positioned on the first sealant layer。Being absent from the region of photovoltaic cell and electrical interconnection, the second sealant layer can contact the first following sealant layer。First sealant layer and the second sealant layer can encapsulation of photovoltaic cells and electrical interconnections at least in part together。
With reference to Fig. 8, for instance, the second sealant layer 177 can be coated with on the photovoltaic battery array 85 being positioned on the first sealant layer 175。Second sealant layer 177 can cover the front side of the photovoltaic cell 90 and electrical interconnection 95 constituted。In the region being absent from photovoltaic cell 90 and electrical interconnection 95, the second sealant layer 177 can contact the first sealant layer 175。First sealant layer 175 and the second sealant layer 177 can together with encapsulation of photovoltaic cells 90 and electrical interconnection 95。Conveyer belt (not shown) can be used to support, transport and position backboard the 152, first sealant layer 175 and photovoltaic battery array 85。Such as, suitable mechanism can support and from cell stack compression systems (such as, cell stack compression systems 100 in Fig. 6 A-6C and 7) to sealant coating unit, such as plate alignment system or coating depositing system, transport backboard the 152, first sealant layer 175 and photovoltaic battery array 85。The rim section 154 of backboard 152 can surround the first sealant layer 175, photovoltaic battery array 85 and the second sealant layer 177。
Second sealant layer can include the sealant material solid panel of preforming, and this sealant material solid panel can be coated on following photovoltaic cell or photovoltaic battery array。As an alternative, the second sealant layer can include can being coated to the liquid sealant material on following photovoltaic cell or photovoltaic battery array as the coating liquid layer of deposition, and this fluid sealant can be cured in curing schedule subsequently。The optional rim section of backboard can include the coating liquid layer (in the volume collectively formed by frontal plane surface and wheel rim) of deposition during subsequent fabrication steps。Liquid sealant material can utilize coating deposition operation to be coated on following photovoltaic cell or photovoltaic battery array, is coated with such as spraying, dip-coating, roller coating, brushing, roller coat, curtain coating, flow coat, cylindrical hole, and channel mould is coated with。
On the other hand, the second sealant layer can include the powdery paints synthetic being coated on following photovoltaic cell or photovoltaic battery array as the powder coating layer of deposition, and it can be cured in curing schedule subsequently。The powder coating layer (in the volume being made up of together with wheel rim frontal plane surface) that the optional rim section of backboard deposits during may be embodied in subsequent fabrication steps。Powdery paints can utilize electrostatic precipitation or other suitable powdery paints deposition technique to be applied on following photovoltaic cell or photovoltaic battery array。
Second sealant layer can include, such as, solid vinyl vinylacetate (EVA) plate of preforming, silicone encapsulant are (such as, as described in U.S. Patent Application Publication No.2011/0061724A1, this application is incorporated in this specification by introducing), or can be deposited and be cured to form the curable liquid encapsulant agent of sealed solid oxidant layer, such as heat-curable urethane, polyureas or the coating compostion based on poly-(urethane-urea)。Suitable curable liquid encapsulant agent is described in such as U.S. Patent Application Publication No.2013/0240019A1, and this application is incorporated in this specification by reference。On the one hand, for instance, fluid sealant can include heat-curable urethane coating composition, and this synthetic is included under external condition or solidifies to improve polyester polyol resin and the polyisocyanate crosslinking agent of solidification rate at elevated temperatures。
First sealant layer and the second sealant layer can include identical or different sealant material independently。Such as, on the one hand, first sealant layer can include the fluid sealant of such as heat-curable urethane coating composition, and the second sealant layer can include identical heat-curable urethane coating composition or different fluid sealants, assuming that the second sealant layer includes the sealant material being cured to form enough limpid solid-state sealant layer, to allow incident illumination with insignificant decay by arrive following photovoltaic cell or to be otherwise sufficient for the generation of charge carrier photovoltaic。Therefore, the second sealant layer can include the solid panel of the sealant material of the limpid preforming of limpid liquid seal oxidant layer, limpid powder coating layer or such as EVA。Such as, on the other hand, the first sealant layer and the second sealant layer can include EVA plate。As an alternative, the first sealant layer and the second sealant layer can include limpid liquid seal oxidant layer。
Photovoltaic module manufacture process can include navigating on the second sealant layer the front transparent body。The front transparent body can include, for instance, the transparent polymer plate (such as, polyimide plate or polycarbonate plate) of glass plate (such as, silicate glass) or preforming。The front transparent body can be substantially transparent, to allow incident illumination by following photovoltaic cell or to be otherwise sufficient for the generation of charge carrier photovoltaic with insignificant decay。
On the one hand, such as, the front transparent body is navigated to and the second sealant layer can include utilize the press including vacuum system to lift the front transparent body, this vacuum system is operably connected to the hole in vertically moving pressing plate, and before the contact of its mesopore, the front transparent body is fixed to pressing plate by the front side of the transparent body and the vacuum pressure that applied by this hole。Backboard can below the front transparent body hung location, its dorsulum include the first sealant layer of superposition and the second sealant layer and on backboard and between the first sealant layer and the second sealant layer the photovoltaic cell of location or photovoltaic battery array。Vacuum can apply between the front transparent body and the second sealant layer that hang。Pressing plate can be lowered, until backside contact second sealant layer of the front transparent body。When the front transparent body contacts the second sealant layer, vacuum can maintain。The vacuum pressure applied from hole can interrupt after the front transparent body contacts the second sealant layer, thus from the front transparent body of pressing plate release。Pressing plate can be lifted away from by the transparent body in the past。
With reference to Fig. 9 A, it is possible to use extrusion system 200 is lifted away from and hangs the front transparent body 191。Extrusion system 200 includes the vacuum system 215 in the hole 205 being operably connected in vertically moving pressing plate 210。Pressing plate 210 can vertically move along vertical axis 220, and this allows pressing plate 210 vertically reduce and raise。Before hanging, the transparent body 191 can include utilizing pressing plate 210 to lift the front transparent body 191, and the front transparent body 191 is fixed to pressing plate 210 by front side that its mesopore 205 contacts the front transparent body 191 and the vacuum pressure applied by hole 205 from vacuum system 215。
Backboard 152 including the first sealant layer 175, photovoltaic battery array 85 and the second sealant layer 177 can position below the front transparent body 191 hung。Backboard the 152, first sealant layer 175, photovoltaic battery array the 85, second sealant layer 177 and the front transparent body 191 hung may be embodied in confined chamber 285。Confined chamber 285 can be formed between pressing plate 210 and locular wall 281, and its center platen 210 and locular wall 281 engage and airtight at 283 places。The pressing plate 210 of the front transparent body 191 with suspension can reduce towards the second sealant layer 177 in confined chamber 285 along vertical axis 220。By applying vacuum pressure from vacuum system 289, vacuum can apply in confined chamber 285。Vacuum can manufacture in confined chamber 285 between the front transparent body 191 and the second sealant layer 177 that hang, and when pressing plate 210 reduces and vacuum can be maintained during backside contact second sealant layer 177 of the front transparent body 191。
As shown in fig. 9b, moving downward vertically of pressing plate 210 can be interrupted when backside contact second sealant layer 177 of the front transparent body 191, during this time, the vacuum pressure applied by hole 105 from vacuum system 215 can be interrupted, and thus discharges the front transparent body 191 from pressing plate 210。As shown in Figure 9 C, after interrupting passing through, from vacuum system 215, the vacuum pressure that hole 205 applies, pressing plate 210 can be lifted away from the front transparent body 191 along vertical axis 220。The vacuum pressure applied from vacuum system 289 also can interrupt after the front transparent body 191 contacts the second sealant layer 177。When the transparent body 191 is lifted away from pressing plate 210 in the past, the maintenance of the front transparent body 191 contacts with the second following sealant layer 177。Extrusion system 200 can pass through robot, hydraulic pressure, pneumatic or utilize other suitable actuating mechanism operation any, with along vertical axis 220 vertically downward and the pressing plate 210 that moves up。The rim section 154 of backboard 152 can surround the first sealant layer 175, photovoltaic battery array the 85, second sealant layer 177 and the front transparent body 191。Each side according to the process described in this manual, can be used to hang and the transparent body before location at the extrusion system described in the U.S. Patent No. 8,420,412 being incorporated into by reference in this specification。
On the other hand, for instance, the front transparent body is navigated to and the second sealant layer can include utilize robot system to lift the front transparent body。First end of the front transparent body can put into and adjacent the second sealant layer of the first end of backboard contact, before wherein, the transparent body can position with an angle relative to the second sealant layer。The front transparent body can tilt, to reduce the angle between the front transparent body and the second sealant layer, until to adjacent the second sealant layer in the second-phase opposite end of end in contact and backboard and can there is zero degree (that is, until the front transparent body is parallel with the second sealant layer) between the front transparent body and the second sealant layer in the second-phase of the front transparent body。Vacuum can apply between the front transparent body and the second sealant layer, and vacuum can be maintained when the front transparent body is inclined to and contacts with the second sealant layer。
As used in this article, term " adjacent " describes the relative localization of parts including photovoltaic module, wherein subject component can or direct physical contact or utilize intervening elements or space to be indirectly positioned at side each other。Therefore, and as an example, when first component is said to be with second component adjacent positioned, it will be appreciated that first component is passable, but need not, contact with second component direct physical。
With reference to Figure 10 A and 10B, robot system 250 includes being coupled to the robots arm 257 transporting platform 255。By the front transparent body being fixed to transport platform 255 and utilizing robots arm 257 to move transport platform 255, robot system 250 lifts the front transparent body 191。The front transparent body 191 can utilize any suitable mechanism to be fixed to the transport platform 255 of robot system 250, such as passing through to contact the vacuum pressure that the hole (not shown) transported in platform of the front surface of the front transparent body 191 applies。
First end 193 of the front transparent body 191 can put into and adjacent the second sealant layer 177 of the first end 156 of backboard 152 contact, before wherein, the transparent body 191 can position with an angle relative to the second sealant layer 177, as shown in FIG. 10A。What the front transparent body 191 can pass through that robot system arrow 225 in by Figure 10 A indicates slopes downwardly in the direction, to reduce the angle between the front transparent body 191 and the second sealant layer 177。The front transparent body 191 can tilt to the second-phase opposite end 195 of the front transparent body 191 contacts and the second-phase opposite end 158 of backboard 152 is adjacent the second sealant layer 177 always and can there is zero degree between the front transparent body 191 and the second sealant layer 177, as shown in Figure 10 B。When current transparent body 191 is located so that can there is zero degree relative to the second sealant layer 177 by robot system 250, the back surface of the front transparent body 191 can contact the supine surface of the second sealant layer 177, as shown in Figure 10 B。Optional vacuum (vacuum system is not shown) can apply between the front transparent body 191 and the second sealant layer 177, and vacuum can be maintained when robot system tilts and the front transparent body 191 is positioned to and is contacted with the second sealant layer 177。When there is no optional vacuum, current transparent body 191 towards the second sealant layer 177 tilt time before the motion of the transparent body 191 can release between any air in the past transparent body 191 and the second sealant layer 177, the thus minimizing or minimize any air retained between the back surface and the supine surface of the second sealant layer 177 of the front transparent body 191 when surface contact。
Photovoltaic module manufacture process can include solidifying the first sealant layer and solidifying the second sealant layer。Such as, solidify the first sealant layer and the second sealant layer can include solidifying the two layer after being positioned to the front transparent body contact with the second sealant layer simultaneously。As an alternative, solidify the first sealant layer and the second sealant layer can include sequentially cured layer, wherein the first sealant layer can be cured after location photovoltaic cell or photovoltaic battery array and before being coated with the second sealant layer, and the second sealant layer can be cured after being positioned to the front transparent body contact with the second sealant layer。In some respects, such as, if the first sealant layer includes curable liquid encapsulant agent, such as heat-curable urethane, polyureas or the synthetic based on poly-(urethane-urea), then the first sealant layer can be partially cured after being positioned to photovoltaic cell or photovoltaic battery array contact with the first sealant layer。First sealant layer can be partially cured, to increase the viscosity (such as, becoming gluey) of curable liquid encapsulant agent with the first sealant layer before being positioned to photovoltaic cell or photovoltaic battery array contact。Such as, the first sealant layer 175 shown in Fig. 6 A can be partially cured before contact photovoltaic battery array 85, is cured into solid-state thereafter before or after coating the second sealant layer 177。
As used in this article, term " solidification " refers to solidification and/or the bonding of the first sealant layer and the second sealant layer。Sealant layer solidify the chemical property (such as, thermoplasticity, thermosetting, wet solidity, radiation-hardenable, Thermocurable, room temp solidified, etc.) that will depend on encapsulant layer material。Such as, solidifying solid EVA sealant layer can include layer heating to the temperature raised, in this temperature, the layer of two independent coatings is bonded to together, become photovoltaic cell or the single sealant layer of photovoltaic battery array that encapsulation embeds, and adhere to the front transparent body and backboard and together with being bonded to。
Such as, liquid thermoset sealant can by promoting that in sealant synthetic, the chemical crosslinking of composition solidifies, and is thus frozen into sealed solid oxidant layer by liquid seal oxidant layer。Such as, liquid sealant layer, such as heat-curable urethane sealant layer are solidified, it is possible to include heating or otherwise promote resinous principle and the crosslinking mixing crosslinker component。During cross-linking reaction, first sealant layer and the second sealant layer can coalesce or otherwise be bonded to together at least in part, become photovoltaic cell or the single sealant layer of photovoltaic battery array that encapsulation embeds, and adhere to the front transparent body and backboard and together with being bonded to。
With reference to Figure 11 A-11C, the sealant layer 270 of solidification can be formed by solidifying the first sealant layer and the second sealant layer (see the first sealant layer in such as Fig. 9 C and 10B and the second sealant layer 175 and 177)。The sealant layer 270 solidified adheres to the front transparent body 191 and backboard 152 and together with being bonded to。The sealant layer 270 solidified can encapsulate photovoltaic cell 90 and/or the photovoltaic battery array 85 of embedding。
Although describing some aspect in this manual, its dorsulum includes the circumference rim section that can surround sealant material, photovoltaic cell or photovoltaic battery array and the front transparent body, but the process described in this specification and system can adopt the backboard of the perimeter portion with the subset that can surround photovoltaic module parts, this subset such as sealant material and photovoltaic cell or photovoltaic battery array, but there is no the front transparent body (see Figure 11 B)。Process and system described in this specification can adopt the backboard (see Figure 11 C) without circumference rim section。
In process described in this specification and the industrial realization of system, independent unit operation can include, for instance: the first sealant layer is coated on backboard by (1)；(2) the lifting/hang of photovoltaic cell or photovoltaic battery array；(3) backboard and first sealant layer location below the photovoltaic cell hung；(4) photovoltaic cell or photovoltaic battery array are to the reduction on the first sealant layer and location；(5) the second sealant layer is coated on the front side of photovoltaic cell and electrical interconnection；(6) the front transparent body is navigated on the second sealant layer；And the solidification of (7) sealant material。The module prepackage accessory of various parts and well afoot can utilize suitable conveyer to be transported between unit operates。Such as, the module prepackage accessory of backboard, photovoltaic cell and photovoltaic battery array, the front transparent body and well afoot can be transported on conveyer belt, shuttle plate, support platform etc.。
Before including at least one or more and being encapsulated in after the photovoltaic module manufacture of the photovoltaic cell of the electrical interconnection in sealant material between the transparent body and backboard; module can be constructed (framed), to provide the infringement installed and protect it from further owing to environmental exposure or other impact cause。Rosette can be provided, to enable between multiple module and/or to the electrical connection of the electrical network in such as building, campus or other position or other electrical system of local distribution system for the photovoltaic module that is constructed。
Therefore, present description provides each side of process for manufacturing photovoltaic module。Such as, at first aspect, aspect 1, present specification describes the process for producing photovoltaic module, including: hanging the photovoltaic battery array of photovoltaic cell including multiple electrical interconnection, wherein when being hung, the leading flank of photovoltaic cell is upward；Location backboard and the first sealant layer below the photovoltaic battery array hung；The photovoltaic battery array of suspension is reduced to and contacts with the first sealant layer, wherein backside contact first sealant layer of photovoltaic cell；It is coated with the second sealant layer at least front side of photovoltaic cell and electrical interconnection；The front transparent body is navigated on the second sealant layer；And solidify the first sealant layer and the second sealant layer。
On the other hand, aspect 2, present specification describes for manufacture as in the process of photovoltaic module described in 1, also include being coated on backboard by the first sealant layer, its dorsulum includes the wheel rim of the periphery at backboard, and this collar is around the first sealant layer。
On the other hand, aspect 3, present specification describes for manufacture as in the process of photovoltaic module described in 2, its dorsulum includes the polymer sheet of preforming, and the first sealant layer includes fluid sealant。
On the other hand, aspect 4, present specification describes for manufacture as in 1-3 any one described in the process of photovoltaic module, wherein hang photovoltaic battery array to include utilizing battery press to lift photovoltaic cell, this battery press includes the vacuum system in the hole being operably connected in vertically moving pressing plate, and photovoltaic cell is fixed to pressing plate by its mesopore contact front side of photovoltaic cell and the vacuum pressure applied by hole。
On the other hand, aspect 5, present specification describes for manufacture as in the process of photovoltaic module described in 4, also include reducing pressing plate, until backside contact first sealant layer of photovoltaic cell；Interrupt the vacuum pressure applied from hole, thus discharge photovoltaic battery array from pressing plate；And it is lifted away from pressing plate from photovoltaic battery array。
On the other hand, aspect 6, present specification describes for manufacture as in 1-5 any one described in the process of photovoltaic module, be additionally included between the photovoltaic battery array of suspension and the first sealant layer introducing noble gas。
On the other hand, aspect 7, present specification describes for manufacture as in the process of photovoltaic module described in 6, also include providing the confined chamber around the photovoltaic battery array hung, backboard and the first sealant layer, wherein introduce noble gas to include utilizing noble gas to rinse confined chamber, to manufacture atmosphere of inert gases between the photovoltaic battery array and the first sealant layer that hang。
On the other hand, aspect 8, present specification describes for manufacture as in 1-7 any one described in the process of photovoltaic module, wherein at least front side of photovoltaic cell and electrical interconnection, be coated with the second sealant layer and include being coated with limpid liquid seal oxidant layer on photovoltaic battery array and the first sealant layer。
On the other hand, aspect 9, present specification describes for manufacture as in 1-8 any one described in the process of photovoltaic module, its dorsulum includes the wheel rim of the periphery at backboard, and this collar is around the first sealant layer, photovoltaic battery array, the second sealant layer and the front transparent body。
On the other hand, aspect 10, present specification describes for manufacture as in 1-9 any one described in the process of photovoltaic module, wherein the front transparent body is navigated to and the second sealant layer includes: utilize the press including vacuum system to lift the front transparent body, this vacuum system is operably connected to the hole in vertically moving pressing plate, and before the contact of its mesopore, the front transparent body is fixed to pressing plate by the front side of the transparent body and the vacuum pressure that applied by hole；Location backboard below the front transparent body hung, wherein photovoltaic battery array positions on backboard and between the first sealant layer and the second sealant layer；Vacuum is applied between the front transparent body and the second sealant layer that hang；Reduce pressing plate, until backside contact second sealant layer of the front transparent body；When the front transparent body contacts the second sealant layer, maintain vacuum；After the front transparent body contacts the second sealant layer, interrupt the vacuum pressure applied from hole, thus from the front transparent body of pressing plate release；And the transparent body is lifted away from pressing plate in the past。
On the other hand, aspect 11, present specification describes for manufacture as in 1-10 any one described in the process of photovoltaic module, wherein the front transparent body is navigated to and the second sealant layer includes: utilize robot system to lift the front transparent body；First end of the front transparent body is put into and adjacent the second sealant layer of the first end of backboard contact, before wherein, the transparent body positions with an angle relative to the second sealant layer；The transparent body before tilting, to reduce the angle between the front transparent body and the second sealant layer, until the second-phase of the front transparent body to end in contact second sealant layer adjacent with the second-phase opposite end of backboard and exists zero degree between the front transparent body and the second sealant layer。
On the other hand, aspect 12, present specification describes for manufacture as in the process of photovoltaic module described in 11, be additionally included between the front transparent body and the second sealant layer applying vacuum, and when the front transparent body is inclined to and contact with the second sealant layer maintenance vacuum。
On the other hand, aspect 13, present specification describes for manufacture as in 1-12 any one described in the process of photovoltaic module, wherein solidify the first sealant layer and the second sealant layer include solidifying after the transparent body the two layer before location simultaneously。
On the other hand, aspect 14, present specification describes the process for manufacturing photovoltaic module, including: hanging photovoltaic cell, the leading flank of photovoltaic cell is upward；Location backboard and the first sealant layer below the photovoltaic cell hung；In atmosphere of inert gases, the photovoltaic cell of suspension is reduced to and contacts with the first sealant layer, wherein backside contact first sealant layer of photovoltaic cell；It is coated with the second sealant layer at least front side of photovoltaic cell；The front transparent body is navigated on the second sealant layer；And solidify the first sealant layer and the second sealant layer。
On the other hand, aspect 15, present specification describes for manufacture as in the process of photovoltaic module described in 14, wherein hang photovoltaic cell to include utilizing battery press to lift photovoltaic cell, this battery press includes the vacuum system in the hole being connected in vertically moving pressing plate, and photovoltaic cell is fixed to pressing plate by its mesopore contact front side of photovoltaic cell and the vacuum pressure applied by hole。
On the other hand, aspect 16, present specification describes for manufacture as in the process of photovoltaic module described in 15, also include reducing pressing plate, until backside contact first sealant layer of photovoltaic cell；Interrupt the vacuum pressure applied from hole, thus discharge photovoltaic cell from pressing plate；And it is lifted away from pressing plate from photovoltaic cell。
On the other hand, aspect 17, present specification describes for manufacture as in 1-16 any one described in the process of photovoltaic module, wherein the front transparent body is navigated to and the second sealant layer includes: utilize the press including vacuum system to lift the front transparent body, this vacuum system is operably connected to the hole in vertically moving pressing plate, and before the contact of its mesopore, the front transparent body is fixed to pressing plate by the front side of the transparent body and the vacuum pressure that applied by hole；Location backboard below the front transparent body hung, wherein photovoltaic battery array positions on backboard and between the first sealant layer and the second sealant layer；Vacuum is applied between the front transparent body and the second sealant layer that hang；Reduce pressing plate, until backside contact second sealant layer of the front transparent body；When the front transparent body contacts the second sealant layer, maintain vacuum；After the front transparent body contacts the second sealant layer, interrupt the vacuum pressure applied from hole, thus from the front transparent body of pressing plate release；And the transparent body is lifted away from pressing plate in the past。
On the other hand, aspect 18, present specification describes for manufacture as in 14-17 any one described in the process of photovoltaic module, wherein the front transparent body is navigated to and the second sealant layer includes: utilize robot system to lift the front transparent body；First end of the front transparent body is put into and adjacent the second sealant layer of the first end of backboard contact, before wherein, the transparent body positions with an angle relative to the second sealant layer；The transparent body before tilting, to reduce the angle between the front transparent body and the second sealant layer, until the second-phase of the front transparent body to end in contact second sealant layer adjacent with the second-phase opposite end of backboard and exists zero degree between the front transparent body and the second sealant layer。
On the other hand, aspect 19, present specification describes for manufacture as in 14-18 any one described in the process of photovoltaic module, wherein solidify the first sealant layer and the second sealant layer include solidifying after the transparent body the two layer before location simultaneously。
On the other hand, aspect 20, present specification describes for manufacture as in 14-19 any one described in the process of photovoltaic module, be additionally included in confined chamber and introduce noble gas between the photovoltaic cell and the first sealant layer that hang, to manufacture atmosphere of inert gases。
Describe and illustrate each side in this manual, to provide the comprehensive understanding to the function of disclosed process, system and photovoltaic module, operation and realization。Should be appreciated that described in this specification and/or each side illustrated can combine with each other side。This modifications and variations to include in the scope of this specification。Like this, claim can be corrected, in order to states in any combination and clearly or is inherently described in this manual, or otherwise clearly or inherently supported, any aspect。It addition, the applicant retains revises claim to abandon being likely to the right of each side existed in the prior art for certain, even if those aspects are not described in this manual clearly。Therefore, any this correction all meets written description and adequacy requirement。Disclosed in this specification and the method that describes, system and equipment can include various aspects described herein, consisting of or be consisting essentially of。
And, any numerical range stated in this manual will include all subranges of the identical numerical precision comprised in described scope。Such as, scope " 1.0 to 10.0 " is to include all subranges (and including it) between described minima 1.0 and described maximum 10.0, that is, there is the minima equal to or more than 1.0 and the maximum equal to or less than 10.0, such as 2.4 to 7.6。Therefore, the applicant retains revised version description, including claim, to be set out in the right of any subrange with identical numerical precision comprised within the scope being expressly recited herein clearly。All this scopes will be described inherently in this manual so that the correction being expressly recited this seed ranges any meets written description and adequacy requirement。Additionally, the numerical parameter described in this specification should according to the figure place of the significant digits reported and by adopting the general technology of rounding off to explain。It is also understood that the numerical parameter described in this specification will necessarily have the intrinsic transmutability feature of the basic measurement technology of the numerical value being used to determine this parameter。
Unless otherwise directed, otherwise relevant with this paper any patent, publication or other disclosure material are all incorporated in this specification all through quoting, but only in the degree that the material combined does not conflict with the existing description being expressly recited in this specification, definition, statement or other disclosure material。Like this, and in necessary degree, the clear and definite disclosure as set forth in this manual replaces any conflict material combined by reference。It is said to be and is incorporated by reference in this specification but any material conflicted with existing definition set forth herein, statement or other disclosure material, or its part, only in combined in the degree not clashed between combined material and existing disclosure material。The applicant retains revised version description to be expressly recited the right of any theme or its part being incorporated herein by reference。
As used in this specification, unless otherwise directed, otherwise grammer article " ", " one " and " being somebody's turn to do " to include " at least one " or " one or more "。Therefore, as used in this specification, described article refers to the grammar object of one or more than one (that is, referring to " at least one ") this article。As an example, " parts " refer to one or more parts, and therefore, it is possible, more than one parts are intended and can be used in the realization of described method, system and equipment or use。It addition, unless context of use needs otherwise, otherwise the use of singular noun includes plural number, and the use of plural noun includes odd number。
Claims (14)
1. the method for manufacturing photovoltaic module, including:
Hanging the photovoltaic battery array that (i) photovoltaic cell or (ii) include the photovoltaic cell of multiple electrical interconnection, wherein when being hung, the leading flank of one or more photovoltaic cells is upward；
Location backboard and the first sealant layer below the photovoltaic cell hung or photovoltaic battery array；
The photovoltaic cell of suspension or photovoltaic battery array are reduced to and contact with the first sealant layer, backside contact first sealant layer of wherein one or more photovoltaic cells；
(i) at least front side of photovoltaic cell or (ii) at least front side of the electrical interconnection of array and photovoltaic cell, be coated with the second sealant layer；
The front transparent body is navigated on the second sealant layer；And
Solidify the first sealant layer and the second sealant layer。
2. method according to claim 1, also includes being coated on backboard by the first sealant layer, and its dorsulum includes the wheel rim of the periphery at backboard, and described collar is around the first sealant layer。
3. the method according to claim 1 or claim 2, its dorsulum includes the polymer sheet of preforming, and the first sealant layer includes fluid sealant。
4. the method in any of the one of claim 1-3, wherein (i) hangs photovoltaic cell and includes utilizing the battery press including vacuum system to lift photovoltaic cell, described vacuum system is operably connected to the hole in vertically moving pressing plate, photovoltaic cell is fixed to pressing plate by its mesopore contact front side of photovoltaic cell and the vacuum pressure applied by hole, and/or (ii) hangs photovoltaic battery array and includes utilizing the cell stack compression systems including vacuum system to lift photovoltaic cell, described vacuum system is operably connected to the hole in vertically moving pressing plate, photovoltaic cell is fixed to pressing plate by its mesopore contact front side of photovoltaic cell and the vacuum pressure applied by hole。
5. method according to claim 4, also includes reducing pressing plate, until backside contact first sealant layer of one or more photovoltaic cells；Interrupt the vacuum pressure applied from one or more holes, thus discharge photovoltaic cell or photovoltaic battery array from pressing plate；And it is lifted away from pressing plate from photovoltaic cell or photovoltaic battery array。
6. the method in any of the one of claim 1-5, is additionally included between photovoltaic cell or photovoltaic battery array and first sealant layer of suspension and introduces noble gas。
7. method according to claim 6, the confined chamber provided around the photovoltaic cell hung or photovoltaic battery array, backboard and the first sealant layer is also provided, wherein introduce noble gas to include utilizing noble gas to rinse confined chamber, to manufacture atmosphere of inert gases between the photovoltaic cell or photovoltaic battery array and the first sealant layer that hang。
8. the method in any of the one of claim 1-7, wherein (i) at least front side of photovoltaic cell or (ii) at least front side of the electrical interconnection of array and photovoltaic cell, be coated with the second sealant layer include being coated with limpid liquid seal oxidant layer on photovoltaic cell or photovoltaic battery array and the first sealant layer。
9. the method in any of the one of claim 1-8, its dorsulum includes the wheel rim of the periphery at backboard, and described collar is around the first sealant layer, photovoltaic cell or photovoltaic battery array, the second sealant layer and the front transparent body。
10. the method in any of the one of claim 1-9, wherein navigates to the front transparent body and includes on the second sealant layer:
Utilizing and include the press of vacuum system and lift the front transparent body, described vacuum system is operably connected to the hole in vertically moving pressing plate, and before the contact of its mesopore, the front transparent body is fixed to pressing plate by the front side of the transparent body and the vacuum pressure that applied by hole；
Location backboard below the front transparent body hung, wherein photovoltaic cell or photovoltaic battery array position on backboard and between the first sealant layer and the second sealant layer；
Vacuum is applied between the front transparent body and the second sealant layer that hang；
Reduce pressing plate, until backside contact second sealant layer of the front transparent body；
When the front transparent body contacts the second sealant layer, maintain vacuum；
After the front transparent body contacts the second sealant layer, interrupt the vacuum pressure applied from hole, thus from the front transparent body of pressing plate release；And
In the past the transparent body is lifted away from pressing plate。
11. the method in any of the one of claim 1-10, wherein the front transparent body is navigated to and the second sealant layer includes:
Robot system is utilized to lift the front transparent body；
First end of the front transparent body is put into and adjacent the second sealant layer of the first end of backboard contact, before wherein, the transparent body positions with an angle relative to the second sealant layer；
The transparent body before tilting, to reduce the angle between the front transparent body and the second sealant layer, until the second-phase of the front transparent body to end in contact second sealant layer adjacent with the second-phase opposite end of backboard and exists zero degree between the front transparent body and the second sealant layer。
12. method according to claim 11, it is additionally included between the front transparent body and the second sealant layer and applies vacuum, and maintain vacuum when the front transparent body is inclined to and contacts with the second sealant layer。
13. the method in any of the one of claim 1-12, wherein solidifies the first sealant layer and the second sealant layer includes solidifying after the transparent body the two layer before location simultaneously。
14. the photovoltaic module that the method that a basis is in any of the one of claim 1-13 manufactures。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462092396P | 2014-12-16 | 2014-12-16 | |
| US14/571,617 US9312424B1 (en) | 2014-12-16 | 2014-12-16 | Process and system for producing photovoltaic modules |
| US14/571,617 | 2014-12-16 | ||
| US62/092,396 | 2014-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105702802A true CN105702802A (en) | 2016-06-22 |
Family
ID=56227964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510938909.6A Pending CN105702802A (en) | 2014-12-16 | 2015-12-16 | Process and system for producing photovoltaic modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105702802A (en) |
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2015
- 2015-12-16 CN CN201510938909.6A patent/CN105702802A/en active Pending
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