WO2024001541A1 - 太阳能板 - Google Patents

太阳能板 Download PDF

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Publication number
WO2024001541A1
WO2024001541A1 PCT/CN2023/093553 CN2023093553W WO2024001541A1 WO 2024001541 A1 WO2024001541 A1 WO 2024001541A1 CN 2023093553 W CN2023093553 W CN 2023093553W WO 2024001541 A1 WO2024001541 A1 WO 2024001541A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
solar panel
battery
frame
panel according
Prior art date
Application number
PCT/CN2023/093553
Other languages
English (en)
French (fr)
Inventor
于华君
朱彦君
陈锋文
张民欢
孙中伟
Original Assignee
深圳市华宝新能源股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202210775387.2A external-priority patent/CN115050849A/zh
Priority claimed from CN202221779611.7U external-priority patent/CN218274618U/zh
Priority claimed from CN202223301238.7U external-priority patent/CN218976628U/zh
Priority claimed from CN202320081870.0U external-priority patent/CN219227522U/zh
Application filed by 深圳市华宝新能源股份有限公司 filed Critical 深圳市华宝新能源股份有限公司
Priority to EP23829727.9A priority Critical patent/EP4354521A1/en
Priority to US18/389,824 priority patent/US20240162358A1/en
Publication of WO2024001541A1 publication Critical patent/WO2024001541A1/zh

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/02Details
    • H01L31/02002Arrangements for conducting electric current to or from the device in operations
    • H01L31/02005Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier
    • H01L31/02008Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules
    • H01L31/02013Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules comprising output lead wires elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • H01L31/0481Encapsulation of modules characterised by the composition of the encapsulation material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/05Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00Structural details of PV modules other than those related to light conversion
    • H02S30/10Frame structures
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Definitions

  • the present application relates to the field of solar energy technology, and in particular to a solar panel.
  • Solar panel short for solar panel, is the core part of the solar power generation system.
  • the working principle of solar panels is to generate electricity by absorbing sunlight and directly supply power to the application products or charge the battery and then use the battery to power the application products.
  • An embodiment of the present application provides a solar panel.
  • the solar panel according to the embodiment of the present application includes battery sheets, and the battery sheets are used to receive light and generate electricity.
  • the solar panel of this embodiment includes a hard frame and battery sheets.
  • the hard frame is provided with accommodating holes, and the battery sheets are arranged in the accommodating holes.
  • the solar panel of this embodiment has a built-in hard frame and a power generation module composed of battery sheets.
  • the power generation module composed of battery sheets is used to receive light and generate electricity.
  • the battery sheets are placed in the accommodation holes of the hard frame.
  • the material frame can protect the battery cells from the direction of the package cross-section and improve impact resistance, bending resistance and mechanical strength. At the same time, it is lighter in weight than the traditional external metal frame and can reduce edge occlusion without blocking the battery cells. Operation.
  • a solar panel includes a power generation component including a hard frame, a cell sheet, a backsheet, and an insulating board, and wires.
  • the hard frame is provided with an accommodating hole; the battery piece is arranged in the accommodating hole; the back plate is arranged in the accommodating hole and is located on the battery piece, and the back plate and There is an adhesive film between the battery sheets; the insulating plate covers an end surface of the hard frame close to the back plate, and the wire is provided between the back plate and the insulating plate .
  • the solar panel of this embodiment includes a power generation component and a wire.
  • the power generation component includes a hard frame, battery sheets, a backplane and an insulating board.
  • the hard frame is provided with accommodating holes, and the battery sheets and backplanes are both provided in the accommodating holes.
  • the back plate is located on the side of the battery sheet close to the back film
  • the insulating plate covers one end of the hard frame close to the back plate
  • the wires are located between the back plate and the insulating plate.
  • the solar panel includes a rigid frame, a cell layer, a front panel layer, and a back panel layer.
  • the hard frame is provided with an accommodating hole; the battery sheet layer is arranged in the accommodating hole; the front plate layer is located on one side of the battery sheet layer; and the back plate layer is located on the battery sheet layer. opposite side of the lamella.
  • the solar panel of this embodiment has a built-in hard frame and a power generation module composed of a battery sheet layer, a front sheet layer and a back sheet layer.
  • the battery sheet layer is used to receive light and generate electricity, and the front sheet layer and back sheet layer are respectively It plays the role of protecting the battery sheet from the front and back.
  • the battery sheet power generation module is placed in the receiving hole of the hard frame.
  • the hard frame can protect the battery sheet power generation module from the package cross-section direction, improving impact resistance and bending resistance. and mechanical strength, and is lighter in weight than traditional external metal frames, and can reduce edge shielding and will not block the cell layer operation.
  • the solar panel includes a stacked battery sheet layer, a glass fiber reinforced layer and two protective layers.
  • the two protective layers are respectively provided on both sides of the battery sheet layer.
  • the glass fiber reinforced layer is A fiber-reinforced layer is disposed between the battery sheet layer and the protective layer.
  • the glass fiber-reinforced layer is made of glass fiber mixed with impregnated rubber.
  • the glass fiber reinforced layer and the protective layer are both transparent. structure.
  • a glass fiber reinforced layer is provided between the protective layer and the battery sheet layer, where the battery sheet layer is used to receive light and generate electricity.
  • the protective layer is used to protect the inner structure. Both the glass fiber reinforced layer and the protective layer are transparent structures and do not affect the operation of the battery cells.
  • the glass fiber reinforced layer is made of a mixture of glass fiber and impregnated rubber. On the one hand, the glass fiber reinforced layer It can improve the impact resistance of the cell layer and the bending resistance of the solar panel. On the other hand, the density of the glass fiber and impregnation compound that make up the glass fiber reinforced layer is small, which has a small impact on the self-weight of the solar panel, ensuring that the solar energy Board portability.
  • the solar panel includes a battery layer and a front plate and a back plate respectively stacked on the front and back sides of the battery layer.
  • the battery layer includes a hard frame and a battery string, and the hard
  • the frame includes a plurality of vertical frame bars and a plurality of transverse frame bars.
  • the vertical frame bars and the transverse frame bars are cross-connected to form a plurality of accommodation holes.
  • the battery string includes a plurality of battery sheets. The battery piece is placed in the accommodation hole, and the vertical frame strips and the transverse frame strips are detachably connected.
  • the solar panel of this embodiment is provided with a rigid hard frame between the front panel and the back panel, and the battery strings are placed in the accommodation holes of the hard frame.
  • the hard frame has high support strength and reduces solar energy consumption. The bending deformation of the plate will damage the battery string, thus protecting the battery string and improving the mechanical strength. There is no need to set up more layers and add glass fiber materials, which reduces the overall quality and equipment cost.
  • the rigid frame is composed of multiple detachably connected vertical frames and horizontal frames. Compared with the integrated frame structure, it not only has lower production costs, but also is easy to assemble and use in different shapes, sizes and thicknesses. Greater flexibility.
  • Figure 1 is a cross-sectional exploded view of a solar panel provided by an embodiment of the present application
  • FIG. 2 is a top view of the solar panel provided by the embodiment of the present application.
  • Figure 3 is an enlarged view of point A in Figure 2;
  • FIG. 4 is a schematic diagram of the exploded structure of the solar panel provided in Embodiment 1 of the present application.
  • FIG. 5 is a schematic diagram of the exploded structure of the solar panel provided in Embodiment 2 of the present application.
  • FIG. 6 is a schematic diagram of the exploded structure of the solar panel provided in Embodiment 3 of the present application.
  • FIG. 7 is a schematic diagram of the exploded structure of the solar panel provided in Embodiment 4 of the present application.
  • Figure 8 is a schematic diagram of the exploded structure of the solar panel provided in Embodiment 5 of the present application.
  • Figure 9 is a schematic diagram of the exploded structure of the solar panel provided in Embodiment 6 of the present application.
  • Figure 10 is a schematic diagram of the exploded structure of the solar panel provided in Embodiment 7 of the present application.
  • Figure 12 is a schematic diagram of the exploded structure of the solar panel provided in Embodiment 9 of the present application.
  • Figure 13 is a schematic diagram of the exploded structure of the solar panel provided in Embodiment 10 of the present application.
  • Figure 14 is a schematic diagram of the exploded structure of the solar panel provided by this application.
  • FIG. 15 is a schematic structural diagram of the battery layer provided by this application.
  • Figure 16 is a schematic structural diagram of the hard frame provided by this application.
  • Figure 17 is an enlarged schematic diagram of area B in Figure 16;
  • FIG. 18 is a schematic structural diagram of the battery string provided by this application.
  • FIG. 1 shows a cross-sectional exploded view of a solar panel provided by the present application.
  • the solar panel includes a hard frame 11 and battery sheets 12 .
  • the hard frame 11 is provided with a receiving hole, and the battery piece 12 is arranged in the receiving hole.
  • the cells 12 of the solar panel of the present application are placed in the receiving holes of the hard frame 11.
  • the hard frame 11 can protect the cells 12 from the package cross-section direction and improve the impact resistance, bending resistance and mechanical strength. At the same time, compared with The traditional external metal frame is lighter in weight and can reduce side shielding and will not block the operation of the battery cells 12 .
  • FIG. 1 shows a cross-sectional exploded view of a solar panel provided by the present application.
  • the solar panel includes a power generation component 1100 and a wire 1200.
  • the wire 1200 is used to electrically connect the power generation component 1100.
  • the power generation assembly 1100 includes a hard frame 11, battery sheets 12, a back plate 13, an insulating plate 14 and a front plate 15.
  • the hard frame 11 is provided with a receiving hole.
  • the battery sheet 12 and the back plate 13 are both located in the receiving hole, and the back plate 13 is located on the side of the battery sheet 12 close to the back film 1400.
  • the back plate 13 and the battery sheet 12 There is an adhesive film 1600 between them; the insulating plate 14 covers one end of the hard frame 11 close to the back plate 13, the front plate 15 covers one end of the hard frame 11 close to the battery piece 12, and the wire 1200 is provided on between the back plate 13 and the insulating plate 14.
  • the solar panel can better protect the conductor 1200, avoid leakage problems caused by the exposed conductor 1200, and improve the safety of the solar panel.
  • the front plate 15 can be made of an insulating transparent material with mechanical toughness, such as PET, PET composite materials, or thin glass. Such a setting can improve the solar energy conversion rate of the power generation component 1100 and meet the user's power demand.
  • the insulating board 14 can be made of puncture-proof material with mechanical strength, such as fiberglass board, PET and PET composite materials. Such an arrangement can prevent the wire 1200 from piercing the insulating plate 14 after being broken, thereby preventing the solar panel from leaking electricity.
  • FIG 2 shows a top view of the solar panel provided by the present application.
  • the solar panel also includes a front film 1300 and a back film 1400.
  • At least two power generation components 1100 are spaced between the front film 1300 and the back film 1400 along the first direction.
  • Two adjacent power generation components The space between 1100 forms a bending area 1700 on the front film 1300 and the back film 1400, and the wire 1200 is used to electrically connect two adjacent power generation components 1100.
  • the solar panels are folded in the bending area 1700 formed between two adjacent power generation components 1100, so as to facilitate the folding and storage of the solar panels, facilitate the carrying and transportation of the solar panels, and meet people's needs for outdoor travel.
  • the front film 1300 is made of transparent and flexible materials, and fluorine-containing materials such as ETFE, PVDF, PVF, and ECTFE can be used. The above materials have aging resistance and extend the service life of the solar panel.
  • the back film 1400 is made of transparent and flexible materials, and fluorine-containing materials such as ETFE, PVDF, PVF, and ECTFE can be used. The above materials have aging resistance and extend the service life of the solar panel.
  • the back film 1400 can also be made of opaque fabric material.
  • An adhesive film 1600 is disposed between the front film 1300 and the front panel 15 to improve the connection strength between the front film 1300 and the front panel 15 .
  • An adhesive film 1600 is disposed between the back film 1400 and the insulating plate 14 to improve the connection strength between the back film 1400 and the insulating plate 14 .
  • the battery sheet 12 is a plurality of battery cells arranged in a rectangular array.
  • the battery units and the battery slices 12 are electrically connected through wires 1200, and the wires 1200 are used to perform a series-parallel connection design between the battery slices 12.
  • the solar panel also includes a handle structure 1800.
  • the two handle structures 1800 are located on at least two power generation components 1100. at both ends of the first direction.
  • the handle structure 1800 is used to facilitate the user to carry the solar panel after the solar panel is folded, thereby improving the user experience.
  • the handle structure 1800 is provided with a handle groove
  • the front film 1300 and the back film 1400 are provided with through-slots at positions corresponding to the handle grooves, and the shape of the through-slots matches the shape of the handle groove. Users can lift the solar panel directly through the handle slot.
  • the rigid frame 11 is enclosed by multiple detachable sides.
  • the detachable connection of the hard frame 11 can be achieved.
  • the hard frame 11 includes a first side 111, a second side 112, a third side 113 and a fourth side 114.
  • the first side 111 and the third side 113 are arranged in parallel and spaced apart along the first direction.
  • the second side 112 and the fourth side 114 and the fourth side 114 are arranged in parallel and spaced apart.
  • the two ends of the first side 111 are detachably connected to the second side 112 and the fourth side 114 respectively.
  • the four side 114 is detachably connected to the second side 112 and the fourth side 114 respectively.
  • the rigid frame 11 is square, and the lengths of the first side 111, the second side 112, the third side 113, the fourth side 114 and the fourth side 114 are the same, which enables mass production and improves the versatility of parts. sex.
  • the hard frame 11 and the handle structure 1800 in the power generation assembly 1100 located at the end of the first direction are an integral structure.
  • the handle structure 1800 and one side of the hard frame 11 are an integral structure.
  • the handle structure 1800 may also be fixedly connected to one side of the adjacent hard frame 11 .
  • FIG. 3 shows an enlarged view of A in Figure 2.
  • the solar panel also includes an insulating film 1500.
  • the portion of the wire 1200 located in the bending area 1700 is covered with the insulating film 1500.
  • at least part of the insulating film 1500 extends between the adjacent back plate 13 and the insulating plate 14 .
  • the insulating film 1500 may be a PET film or a cloth coated with an insulating layer.
  • both sides of the portion of the conductor 1200 located in the bending area 1700 are covered with an insulating film 1500 .
  • Such an arrangement can better protect both sides of the wire 1200, prevent the wire 1200 from breaking and piercing the front film 1300 and the back film 1400, and prevent the solar panel from leaking electricity.
  • this embodiment provides a solar panel.
  • the solar panel includes a power generation module and a hard frame 24.
  • the hard frame 24 is configured as a frame structure.
  • the hard frame 24 is provided with an accommodating hole 241.
  • the power generation module is provided with In the accommodating hole 241, the power generation module includes a stacked battery sheet layer 21, a front sheet layer 22 and a back sheet layer 23.
  • the battery sheet layer 21 is disposed between the front sheet layer 22 and the back sheet layer 23.
  • the front sheet layer 22 and the backplane layer 23 are all configured as transparent structures.
  • the solar panel provided by this embodiment has a built-in hard frame 24 and a power generation module composed of a battery sheet layer 21, a front sheet layer 22 and a back sheet layer 23.
  • the battery sheet layer 21 is used to receive light and generate electricity.
  • the front plate layer 22 and the back plate layer 23 play the role of protecting the battery sheet layer 21 from the front and back respectively.
  • the battery sheet layer 21 is placed in the accommodation hole 241 of the hard frame 24.
  • the hard frame 24 can be removed from the package.
  • the battery sheet layer 21 is protected in the cross-sectional direction, improving impact resistance, bending resistance and mechanical strength. At the same time, it is lighter in weight than the traditional external metal frame, and can reduce edge shielding and will not block the operation of the battery sheet layer 21. .
  • the entire power generation module is located in the accommodating hole 241 , that is, the front plate layer 22 , the battery sheet layer 21 and the back plate layer 23 are all located in the accommodating hole 241 .
  • the battery sheet layer 21 includes at least two battery sheets 211
  • the front plate layer 22 includes a front plate unit 221
  • the back plate layer 23 includes a back plate unit 231
  • a receiving hole 241 is provided in the hard frame 24.
  • the power generation module includes stacked battery sheets 211, a front plate unit 221, and a back plate unit 231.
  • Each receiving hole 241 is provided with at least one sub-power generation module.
  • the battery sheet layer 21 includes four battery sheets 211 distributed in a matrix.
  • An integrated front panel unit 221 and an integrated back panel unit 231 are respectively disposed on the front and back sides of the four battery sheets 211 .
  • the hard frame 24 is designed as a single window structure, and the sub-power generation module is arranged in the same receiving hole 241 of the hard frame 24 .
  • the cell layer 21 includes a plurality of bifacial silicon chips.
  • Each cell 211 is provided with a bifacial silicon chip.
  • the bifacial silicon chip can receive light from both front and back sides and generate electricity, thereby increasing the unit weight. The amount of power generated by the cell layer 21.
  • the hard frame 24 is made of high-temperature resistant polymer materials or metal materials, such as polyimide polymers, aromatic polyamide polymers or aluminum alloys, to improve impact resistance and bending resistance. In addition to its capacity and mechanical strength, it is lighter in weight than traditional external metal frames and does not block the double-sided operation of the cell 211.
  • high-temperature resistant polymer materials or metal materials such as polyimide polymers, aromatic polyamide polymers or aluminum alloys.
  • metal materials such as polyimide polymers, aromatic polyamide polymers or aluminum alloys
  • the thickness of the hard frame 24 is not less than the thickness of the battery sheet layer 21 to improve the reliability of protection.
  • the thickness of the hard frame 24 is not less than the thickness of the power generation module, which further improves the reliability of protection.
  • the thickness of the hard frame 24 is 0.5-3mm, and the width is 5-30mm.
  • the front plate layer 22 and the back plate layer 23 are made of transparent polymer materials or ultra-thin glass, such as PC (polycarbonate), PET (polyester resin), or coated PET film materials.
  • the backsheet layer 23 can also be made of transparent and flexible materials with good mechanical strength such as EPE (expandable polyethylene), FPF (composite phenolic foam), KPK (double-sided fluorine-containing backsheet).
  • the thickness of the front plate layer 22 and the back plate layer 23 is 0.2-1 mm.
  • the solar panel also includes a front film layer 25 and a back film layer 26.
  • the front film layer 25 and the back film layer 26 are respectively attached to the front and back of the power generation module.
  • the front film layer 25 is provided on the front plate layer. 22 is on the side away from the battery sheet layer 21
  • the back film layer 26 is disposed on the side of the back sheet layer 23 away from the battery sheet layer 21 .
  • Both the front film layer 25 and the back film layer 26 are provided with a transparent structure for protecting the inner power generation module.
  • the front film layer 25 and the back film layer 26 are made of fluorine-containing film materials, such as ETFE (ethylene-tetrafluoroethylene copolymer), ECTFE (ethylene-chlorotrifluoroethylene copolymer), etc.
  • ETFE ethylene-tetrafluoroethylene copolymer
  • ECTFE ethylene-chlorotrifluoroethylene copolymer
  • the front film layer 25 and the back film layer 26 are made of the same material. More preferably, the back film layer 26 is made of PET (polyester resin) with a certain mechanical strength, which can better bond the sub-power generation modules in the hard frame 24 into a whole and provide support and better edges. protection.
  • PET polyethylene resin
  • the first packaging film 27 is used to bond the front plate layer 22 and the back plate layer 23 to the battery layer 21; the second packaging film 27 is used to bond the front film layer 25 and the back film layer 26 to the power generation module.
  • the adhesive film 28 is bonded.
  • the corresponding second encapsulating adhesive films 28 on the front film layer 25 and the back film layer 26 are physically embossed at high temperatures to form uneven surfaces on the front film layer 25 and the back film layer 26, forming depressions on the one hand.
  • the concave and convex surface can protect the inner structure and prevent the structure inside the solar panel from being scratched, and can also assist in limiting the cell sheet layer 21 to limit the cell sheet 211 to the receiving hole 241 of the hard frame 24 middle.
  • the first encapsulating adhesive film 27 and the second encapsulating adhesive film 28 can be made of EVA plastic, POE plastic, PVB (polyvinyl butyral ester), TPO (thermoplastic polyolefin) or BPO (benzoyl peroxide).
  • the first packaging film 27 and the second packaging film 28 are both colorless and transparent structures.
  • the power generation module includes at least two sub-power generation modules
  • the front panel layer 22 includes at least two front panel units 221
  • the back panel layer 23 includes at least The two backplane units 231 and the sub-power generation modules are arranged in a strip-shaped structure extending laterally.
  • Each sub-power generation module is provided with a plurality of battery slices 211.
  • the front plate unit 221 and the backplane unit 231 are arranged in a strip-shaped structure correspondingly.
  • Two adjacent sub-power generation modules are arranged side by side.
  • the number of accommodating holes 241 is equal to the number of sub-power generation modules.
  • the accommodating holes 241 are correspondingly arranged in a side-by-side strip structure. In this embodiment, the number of sub-power generation modules and receiving holes 241 is three.
  • the power generation module is decomposed into multiple sub-power generation modules and placed in the multiple accommodation holes 241 of the hard frame 24 in one-to-one correspondence, thereby reducing the size of the single front plate unit 221 and the back plate unit 231 and solving the problem.
  • the large-sized front plate unit 221 and back plate unit 231 are prone to bending and deformation.
  • the front plate unit 221 and back plate unit 231 are compatible with more materials, such as ultra-thin glass. Small-sized ultra-thin glass has high flatness, and the glass itself The rigidity can improve the impact resistance of the front and back sides of the battery cell and improve the product's bending resistance.
  • two or more self-generating modules can also be disposed in the receiving hole 241 of the hard frame 24 .
  • the difference between the solar panel provided in this embodiment and the second embodiment is that the sub-power generation modules are configured as vertically extending strip structures, and the accommodating holes 241 are configured as side-by-side vertically extending strip structures. Strip structure.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the difference between the solar panel provided in this embodiment and the second embodiment is that: there are at least four sub-power generation modules, the number of battery sheets 211, the number of front plate units 221 and the number of back plate units 231
  • the number of the self-generating modules is equal to that of the self-generating modules.
  • the sub-generating modules are distributed in a matrix, and the accommodating holes 241 are correspondingly arranged in a matrix distribution. In this embodiment, fifteen sub-power generation modules are provided.
  • each sub-power generation module includes a battery piece 211, a front plate unit 221 and a back plate unit 231, further reducing the size of a single front plate unit 221 and back plate unit 231.
  • the first encapsulating adhesive film 27 includes a plurality of sub-encapsulating adhesive films 271.
  • the plurality of sub-encapsulating adhesive films 271 are distributed in a matrix, between the battery sheet 211 and the front plate unit 221, and between the battery sheet 211 and the back plate unit 231. They are all bonded through corresponding sub-encapsulation adhesive films 271 .
  • the difference between the solar panel provided in this embodiment and the first embodiment is that the hard frame 24 is located between the front plate layer 22 and the back plate layer 23.
  • the front plate layer 22 and the back plate layer 23 are respectively
  • the entire board structure is provided on both sides of the hard frame 24 , that is, only the battery layer 21 is provided in the receiving hole 241 , but the front plate layer 22 and the back plate layer 23 are not in the receiving hole 241 , and alignment can also be achieved.
  • the protective effect of the battery sheet layer 21 is provided in the receiving hole 241 , but the front plate layer 22 and the back plate layer 23 are not in the receiving hole 241 , and alignment can also be achieved.
  • this embodiment provides a solar panel.
  • the solar panel includes a stacked battery layer 31, a glass fiber reinforced layer 32 and two protective layers 33.
  • the two protective layers 33 are respectively provided on the battery layer 31.
  • Transparent structure On both sides of Transparent structure.
  • the glass fiber reinforced layer 32 is configured as an integrated mesh structure.
  • the battery sheet layer 31 includes a plurality of bifacial crystalline silicon chips.
  • the bifacial crystalline silicon chips can receive light from both front and back sides and generate electricity, thereby increasing the power generation capacity of the battery sheet layer 31 per unit weight.
  • the battery pieces 311 are placed correspondingly in the receiving holes 351 and then laminated. This eliminates the need for an overall frame and is simple to manufacture.
  • the thickness of the hard frame 35 is not less than the thickness of the battery piece 311.
  • an encapsulating adhesive film 36 is used to bond the glass fiber reinforced layer 32 and the protective layer 33 .
  • the protective layer 33 is made of fluorine-containing film material, such as ETFE (ethylene-tetrafluoroethylene copolymer), ECTFE (ethylene-chlorotrifluoroethylene copolymer), etc.
  • ETFE ethylene-tetrafluoroethylene copolymer
  • ECTFE ethylene-chlorotrifluoroethylene copolymer
  • Embodiment 7 is a diagrammatic representation of Embodiment 7:
  • the difference between the solar panel provided in this embodiment and Embodiment 1 is that: the glass fiber reinforced layer 32 includes At least two glass fiber reinforced units 321.
  • the glass fiber reinforced units 321 are arranged as a strip-shaped network structure extending laterally to reduce the difficulty of forming the glass fiber reinforced layer 32.
  • the number of glass fiber reinforced units 321 is for three.
  • Embodiment 8 is a diagrammatic representation of Embodiment 8
  • the difference between the solar panel provided in this embodiment and Embodiment 1 is that the glass fiber reinforced layer 32 includes at least two glass fiber reinforced units 321 arranged side by side, and the glass fiber reinforced units 321 are arranged to extend longitudinally.
  • the strip-shaped network structure reduces the difficulty of forming the glass fiber reinforced layer 32.
  • the number of glass fiber reinforced units 321 is three.
  • Embodiment 9 is a diagrammatic representation of Embodiment 9:
  • the difference between the solar panel provided in this embodiment and the first embodiment is that the solar panel also includes two load-bearing layers 34.
  • the load-bearing layers 34 are made of transparent polymer materials, and the two load-bearing layers 34 are provided separately. Between the two fiberglass reinforced layers 32 and the protective layer 33, the load-bearing layer 34 is bonded to the glass fiber-reinforced layer 32 and the protective layer 33 through an encapsulating adhesive film 36.
  • the arrangement of the load-bearing layer 34 can further enhance the mechanical strength of the solar panel. .
  • the load-bearing layer 34 is made of PC (polycarbonate), PET or coated PET film material, or the load-bearing layer 34 can also be made of EPE (expandable polyethylene), FPF (composite phenolic foam). , KPK (double-sided fluorine-containing backsheet) and other transparent flexible materials with good mechanical strength.
  • PC polycarbonate
  • EPE expandable polyethylene
  • FPF composite phenolic foam
  • KPK double-sided fluorine-containing backsheet
  • the thickness of the bearing layer 34 is 0.2-1 mm.
  • the difference between the solar panel provided in this embodiment and the second embodiment is that there is only one glass fiber reinforced layer 32 and a bearing layer 34 in the solar panel.
  • the glass fiber reinforced layer 32 and the bearing layer 34 are
  • the load-bearing layer 34 is arranged on the front and back sides of the battery sheet layer 31 respectively.
  • the load-bearing layer 34 is arranged between the battery sheet layer 31 and the protective layer 33 .
  • the load-bearing layer 34 is bonded to the hard frame 35 and the protective layer 33 through an encapsulating adhesive film 36 .
  • the solar panel provided by this embodiment sets a rigid hard frame 4100 between the front plate 4300 and the back plate 4400, and sets the battery string 4200 in the accommodation hole 4130 of the hard frame 4100.
  • the frame 4100 has high support strength, which reduces the damage to the battery string 4200 caused by the bending deformation of the solar panel, thereby protecting the battery string 4200 and improving the mechanical strength. There is no need to set up more layers or add glass fiber materials, and reduce the overall size. quality and reduce equipment costs.
  • the rigid frame 4100 is composed of multiple detachably connected vertical frame bars 4110 and horizontal frame bars 4120. Compared with the integrated frame structure, it not only has lower production costs, but also is easy to assemble with different shapes, sizes and thicknesses. Combination, higher flexibility of use.
  • the thickness of the vertical frame bars 4110 and the horizontal frame bars 4120 is not less than the thickness of the battery string 4200 to improve the surface strength of the solar panel.
  • the thickness of the vertical frame bar 4110 and the horizontal frame bar 4120 are both greater than the thickness of the battery string 4200 to prevent the battery string 4200 from being subjected to normal force.
  • a plurality of battery sheets 4201 are distributed in a matrix, and there are lateral gaps 4204 between the battery sheets 4201 in adjacent vertically adjacent receiving holes 4130.
  • a vertical gap 4203 is provided between the battery pieces 4201 in the receiving holes 4130.
  • each accommodation hole 4130 is provided with three battery pieces 4201 arranged vertically.
  • the three battery pieces 4201 in the same accommodation hole 4130 constitute a sub-battery string.
  • the number of accommodation holes 4130 is Set to ten, the ten receiving holes 4130 are divided into upper and lower layers and evenly distributed, that is, there is one horizontal gap 4204 and eight vertical gaps 4203 .
  • the battery string 4200 also includes a welding ribbon 4202 that electrically connects adjacent battery slices 4201 vertically, and the welding ribbon 4202 passes through the lateral gap 4204 .
  • the vertical frame strips 4110 include several vertical inner frame strips 4111 and two vertical frame strips 4112 arranged side by side in the transverse direction.
  • the vertical inner frame strips 4111 are placed in the vertical gap 4203, and the two vertical frame strips Frame strips 4112 are arranged side by side on the left and right sides of the vertical inner frame strip 4111.
  • the vertical frame strips 4112 are located on the left and right sides of the battery string 4200 and are used to wrap the left and right sides of the battery string 4200 to protect the left and right sides of the solar panels. .
  • the number of longitudinal inner frame bars is also set to eight, and each longitudinal gap is provided with one longitudinal inner frame bar.
  • two transverse inner frame bars 4121 are provided in the transverse gap 4204.
  • the two transverse inner frame bars 4121 are stacked and arranged at intervals.
  • the welding strips 4202 are arranged vertically. It passes through the gap between the two transverse inner frame bars 4121.
  • the welding ribbon 4202 passes through the gap between the two horizontal inner frame bars 4121, which can reduce the risk of the welding ribbon 4202 climbing up and pulling the battery piece 4201 when passing through the horizontal inner frame bar 4121, causing edge damage or the welding ribbon 4202 desoldering.
  • the horizontal inner frame The strips 4121 can cover the bus wires connected to the soldering strips 4202, giving the product a neat and orderly appearance.
  • the transverse gap 4204 can also be provided with a single layer of transverse inner frame bars 4121, and the transverse frame bars 4122 on the upper and lower sides of the battery string 4200 can also be provided with only a single layer, and the transverse inner frame bars 4121
  • the thickness of the horizontal frame strip 4122 is smaller than the thickness of the vertical inner frame strip 4111 and the vertical frame strip 4112, so as to facilitate the climbing of the soldering strip 4202 and provide space for the bus wires.
  • both the horizontal inner frame bar 4121 and the horizontal frame bar 4122 are configured as long thin plate structures, and the thicknesses of the horizontal inner frame bar 4121 and the horizontal frame bar 4122 are both smaller than the thicknesses of the vertical inner frame bar 4111 and the vertical frame bar 4112 .
  • the thickness of the horizontal inner frame strip 4121 and the horizontal frame strip 4122 are equal; the thickness of the vertical inner frame strip 4111 and the vertical frame strip 4112 are equal.
  • the width of the vertical gap 4203 is 25-35mm, and the width of the lateral gap 4204 is 35-45mm;
  • the thickness of the vertical frame bar 4112 is 3mm, and the width is 30mm;
  • the thickness of the vertical inner frame bar 4111 is 3mm, the width is 25-35mm;
  • the thickness of the transverse frame bar 4122 below the welding strip 4202 is 1.2mm, the thickness of the transverse frame strip 4122 above the welding strip 4202 is 1.6mm, and the width of the transverse frame strip 4122 is 30mm;
  • the thickness of the transverse inner frame bar 4121 below the welding strip 4202 is 1.2 mm, the thickness of the transverse inner frame strip 4121 above the welding strip 4202 is 1.6 mm, and the width of the transverse inner frame strip 4121 is 35-45 mm.
  • the sub-cell strings are spaced apart from the vertical frame bars 4110 and the transverse frame bars 4120 to reduce the uneven local pressure caused by the height difference during the lamination process, which may cause fragmentation or lamination of the cell sheets 4201. False adverse risks.
  • the vertical frame bar 4110 is provided with a first mortise and tenon portion 4141
  • the transverse frame bar 4120 is provided with a second mortise and tenon portion 4142
  • the vertical frame bar 4110 is provided with a first mortise and tenon portion 4142.
  • the second mortise and tenon part 4142, the transverse frame 4120 is provided with a first mortise and tenon part 4141; the first mortise and tenon part 4141 and the second mortise and tenon part 4142 are combined together to facilitate installation and ensure the reliability of the combination.
  • the vertical frame bar 4110 and the transverse frame bar 4120 may also be detachably connected using buckles or other structures.
  • the first mortise and tenon portion 4141 is configured as an isosceles trapezoidal convex block, with the long bottom edge of the trapezoidal convex block facing outward, and the second mortise and tenon portion 4142 is configured to match accordingly.
  • the outer peripheral portions of the vertical frame bars 4112 and the horizontal frame bars 4122 are provided with chamfers to reduce stress on the edges and corners when an external force impacts.
  • the vertical frame 4110 and/or the horizontal frame 4120 are provided with mounting holes, and the front panel 4300, the back panel 4400 and/or external accessories are connected through fasteners passing through the mounting holes.
  • the front panel 4300, the back panel 4400 and/or external accessories are connected through fasteners passing through the mounting holes.
  • it can replace the adhesive-backed bonding structure of the flexible board, forming an air circulation channel under the solar panel, improving the heat dissipation performance of the solar panel, thereby improving the power generation efficiency;
  • external accessories such as handles and brackets to improve Compactness of structure.
  • the solar panel further includes an adhesive film 4500, and the battery layer and the front plate 4300 and/or the battery layer and the back plate 4400 are bonded and fixed through the adhesive film 4500.
  • the hard frame 4100 is made of fiberboard with high mechanical strength or metal plate with surface insulation treatment.
  • the material of the front plate 4300 is a transparent insulating material with high mechanical toughness, such as PET (polyethylene terephthalate) and PET composite materials.
  • the material of the back plate 4400 is a support material with high mechanical toughness, such as fiberglass board, PET, and PET composite materials.

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Abstract

一种太阳能板。太阳能板包括硬质框架和电池片,所述硬质框架设有容置孔,所述电池片设置于所述容置孔。

Description

太阳能板
优先权信息
本申请请求2022年7月11日向中国国家知识产权局提交的、专利申请号为“202221779611.7”的专利申请的优先权和权益、2022年7月1日向中国国家知识产权局提交的、专利申请号为“202210775387.2”的专利申请的优先权和权益、2022年12月9日向中国国家知识产权局提交的、专利申请号为“202223301238.7”的专利申请的优先权和权益、2023年1月13日向中国国家知识产权局提交的、专利申请号为“202320081870.0”的专利申请的优先权和权益、并且通过参照将其全文并入此处。
技术领域
本申请涉及太阳能技术领域,尤其涉及一种太阳能板。
背景技术
太阳能板是太阳电池板的简称,是太阳能发电系统的核心部分。太阳能板的工作原理为,通过吸收太阳光发电,并给应用产品直接供电或给蓄电池充电再由蓄电池给应用产品供电。
发明内容
本申请的实施方式提供一种太阳能板。
本申请的实施方式的太阳能板包括电池片,所述电池片用于接收光照并发电。
本实施方式的太阳能板包括硬质框架和电池片,所述硬质框架设有容置孔,所述电池片设置于所述容置孔。
本实施方式的太阳能板中内置有硬质框架以及由电池片构成的发电模块,其中,电池片构成的发电模块用于接收光照并发电,电池片置于硬质框架的容置孔中,硬质框架可以从封装截面方向保护电池片,提升耐冲击、抗弯曲和机械强度的能力,同时相比传统的外置金属框架而言重量更轻,且能够减少边部遮挡,不会遮挡电池片作业。
在某些实施方式中,太阳能板包括发电组件和导线,所述发电组件包括硬质框架、电池片、背板和绝缘板。所述硬质框架其上设有容置孔;所述电池片设于所述容置孔内;所述背板设于所述容置孔内并位于所述电池片上,所述背板和所述电池片之间设有粘结胶膜;所述绝缘板覆盖于所述硬质框架靠近所述背板的一端面上,所述导线设于所述背板与所述绝缘板之间。
本实施方式的太阳能板包括发电组件和导线,发电组件包括硬质框架、电池片、背板和绝缘板,其中,硬质框架上设有容置孔,电池片和背板均设于容置孔内,且背板设于电池片靠近背膜的一侧,绝缘板覆盖于硬质框架靠近背板的一端面上,导线设于背板与绝缘板之间。所述太阳能板通过增设绝缘板,并将导线设于背板和绝缘板之间,从而能够更好地保护导线,避免导线外露导致的漏电问题,提高太阳能板的安全性。
在某些实施方式中,所述太阳能板包括硬质框架、电池片层、前板层、和背板层。所述硬质框架中设有容置孔;所述电池片层设置于所述容置孔中;所述前板层位于所述电池片层的一侧;所述背板层位于所述电池片层的相对另一侧。
本实施方式的太阳能板中内置有硬质框架以及由电池片层、前板层和背板层构成的发电模块,其中,电池片层用于接收光照并发电,前板层和背板层分别起到从正面和背面保护电池片层的作用,电池片层发电模块置于硬质框架的容置孔中,硬质框架可以从封装截面方向保护电池片层发电模块,提升耐冲击、抗弯曲和机械强度的能力,同时相比传统的外置金属框架而言重量更轻,且能够减少边部遮挡,不会遮挡电池片层作业。
在某些实施方式中,所述太阳能板包括层叠设置的电池片层、玻纤增强层和两个防护层,两个所述防护层分别设置于所述电池片层的两侧,所述玻纤增强层设置于所述电池片层和所述防护层之间,所述玻纤增强层采用玻璃纤维与浸润胶料混合制成,所述玻纤增强层和所述防护层均设置为透明结构。
本实施方式在防护层与电池片层之间设置有玻纤增强层,其中,电池片层用于接收光照并发电, 防护层用于保护内层结构,玻纤增强层与防护层均为透明结构,不影响电池片层工作,玻纤增强层采用玻璃纤维与浸润胶料混合制成,一方面,玻纤增强层能够提升电池片层的耐冲击能力,提升太阳能板的抗弯曲能力,另一方面,构成玻纤增强层的玻璃纤维与浸润胶料密度较小,对太阳能板自重的影响较小,保证了太阳能板的便携性。
在某些实施方式中,所述太阳能板包括电池层以及分别层叠设置于所述电池层正反两侧的前板和背板,所述电池层包括硬质框架和电池串,所述硬质框架包括多个竖向框条和多个横向框条,所述竖向框条与所述横向框条十字交叉连接,以构成多个容置孔,所述电池串包括多个电池片,所述电池片置于所述容置孔中,所述竖向框条与所述横向框条之间可拆卸连接。
本实施方式的太阳能板通过在前板和背板之间设置刚性的硬质框架,并将电池串设置于硬质框架的容置孔中,硬质框架具有较高的支撑强度,减小太阳能板弯曲变形对电池串的损伤,从而对电池串进行保护,提高机械强度,无需设置更多的层数和加入玻纤材料,减小整体质量,降低设备成本。硬质框架由多个可拆卸连接的竖向框条和横向框条构成,相比于一体式的框架结构,不仅生产成本更低,而且易于进行不同形状、尺寸和厚度的的拼装组合,使用灵活性更高。
本申请的实施方式的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本申请的实施方式的实践了解到。
附图说明
本申请的实施方式的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解,其中:
图1为本申请实施例提供的太阳能板的剖视分解图;
图2为本申请实施例提供的太阳能板的俯视图;
图3为图2中A处的放大图;
图4是本申请实施例一提供的太阳能板的分解结构示意图;
图5是本申请实施例二提供的太阳能板的分解结构示意图;
图6是本申请实施例三提供的太阳能板的分解结构示意图;
图7是本申请实施例四提供的太阳能板的分解结构示意图;
图8是本申请实施例五提供的太阳能板的分解结构示意图;
图9是本申请实施例六提供的太阳能板的分解结构示意图;
图10是本申请实施例七提供的太阳能板的分解结构示意图;
图11是本申请实施例八提供的太阳能板的分解结构示意图;
图12是本申请实施例九提供的太阳能板的分解结构示意图;
图13是本申请实施例十提供的太阳能板的分解结构示意图;
图14是本申请提供的太阳能板的分解结构示意图;
图15是本申请提供的电池层的结构示意图;
图16是本申请提供的硬质框架的结构示意图;
图17是图16中区域B的放大示意图;
图18是本申请提供的电池串的结构示意图;
图19是本申请提供的电池层的分解结构示意图。
附图标记:
1100、发电组件;1200、导线;1300、前膜;1400、背膜;1500、绝缘膜;1600、粘结胶膜;1700、
折弯区;1800、提手结构;
11、硬质框架;111、第一边;112、第二边;113、第三边;114、第四边;
12、电池片;
13、背板;
14、绝缘板;
15、前板。
21、电池片层;211、电池片;22、前板层;221、前板单元;23、背板层;231、背板单元;24、
硬质框架;241、容置孔;25、前膜层;26、背膜层;27、第一封装胶膜;271、子封装胶膜;28、第二封装胶膜。
31、电池片层;311、电池片电池片;32、玻纤增强层;321、玻纤增强单元3321;33、防护层;
34、承载层;35、硬质框架;351、容置孔;36、封装胶膜;
4100、硬质框架;4110、竖向框条;4111、竖向内框条;4112、竖向边框条;4120、横向框条;
4121、横向内框条;4122、横向边框条;4130、容置孔;4141、第一榫卯部;4142、第二榫卯部;
4200、电池串;4201、电池片;4202、焊带;4203、竖向间隙;4204、横向间隙;
4300、前板;4400、背板;4500、粘接胶膜。
具体实施方式
以下结合附图对本申请的实施方式作进一步说明。附图中相同或类似的标号自始至终表示相同或类似的元件或具有相同或类似功能的元件。
另外,下面结合附图描述的本申请的实施方式是示例性的,仅用于解释本申请的实施方式,而不能理解为对本申请的限制。
图1示出了本申请提供的太阳能板的剖视分解图。如图1所示,该太阳能板包括硬质框架11和电池片12。硬质框架11设有容置孔,电池片12设置于容置孔。
本申请的太阳能板的电池片12置于硬质框架11的容置孔中,硬质框架11可以从封装截面方向保护电池片12,提升耐冲击、抗弯曲和机械强度的能力,同时相比传统的外置金属框架而言重量更轻,且能够减少边部遮挡,不会遮挡电池片12作业。
图1示出了本申请提供的太阳能板的剖视分解图。如图1所示,该太阳能板包括发电组件1100和导线1200,导线1200用于电连接发电组件1100。发电组件1100包括硬质框架11、电池片12、背板13、绝缘板14和前板15。硬质框架11上设有容置孔,电池片12和背板13均设于容置孔内,且背板13设于电池片12靠近背膜1400的一侧,背板13与电池片12之间设有粘结胶膜1600;绝缘板14覆盖于硬质框架11靠近背板13的一端面上,前板15覆盖于硬质框架11靠近电池片12的一端面上,导线1200设于背板13与绝缘板14之间。该太阳能板通过增设绝缘板14,并将导线1200设于背板13和绝缘板14之间,从而能够更好地保护导线1200,避免导线1200外露导致的漏电问题,提高太阳能板的安全性。
前板15可选用具备机械韧性的绝缘透明材料,可选用如PET及PET的复合材料、薄玻璃。如此设置,可提高发电组件1100太阳能转换率,满足用户电量需求。
背板13可选用具备机械韧性的支撑材料,如玻纤板、PET及PET的复合材料、薄玻璃。如此设置,可对电池片12进行支撑,以更好地保护电池片12。
绝缘板14可选用具备机械强度的防刺穿材料,如玻纤板、PET及PET的复合材料。如此设置,可防止导线1200断裂后刺穿绝缘板14,避免太阳能板漏电。
图2示出了本申请提供的太阳能板的俯视图。如图1结合图2所示,太阳能板还包括前膜1300和背膜1400,至少两个发电组件1100沿第一方向间隔设于前膜1300和背膜1400之间,相邻两个发电组件1100之间的间隔在前膜1300和背膜1400上形成折弯区1700,导线1200用于电连接相邻两个发电组件1100。太阳能板在相邻两个发电组件1100之间形成的折弯区1700进行折叠,以便于折叠收纳太阳能板,便于太阳能板的携带和运输,满足人们户外旅行需求。
前膜1300采用透明柔性材料,可选用ETFE、PVDF、PVF、ECTFE等含氟材料,上述材料具有耐老化的特性,延长太阳能板的使用寿命。进一步地,背膜1400采用透明柔性材料,可选用ETFE、PVDF、PVF、ECTFE等含氟材料,上述材料具有耐老化的特性,延长太阳能板的使用寿命。此外,背膜1400还可以选用不透明的布料材料。
前膜1300与前板15之间设有粘结胶膜1600,以提高前膜1300与前板15之间的连接强度。背膜1400与绝缘板14之间设有粘结胶膜1600,以提高背膜1400与绝缘板14之间的连接强度。
参见图2,电池片12为多个呈矩形阵列设置的电池单元。电池单元之间以及电池片12之间通过导线1200电连接,在利用导线1200进行各电池片12之间的串并联设计。
继续参见图2,太阳能板还包括提手结构1800,两个提手结构1800位于至少两个发电组件1100 在第一方向的两端。该提手结构1800用于当太阳能板折叠后,通过提手结构1800的设置便于用户携带太阳能板,提升用户体验。
进一步地,提手结构1800上设有提手槽,前膜1300和背膜1400上与提手槽相对应的位置设有通槽,通槽的形状与提手槽的形状相适配。用户可直接通过提手槽提起太阳能板。
继续参见图2,硬质框架11由多个边可拆卸拼接围合而成。如此设置,可实现硬质框架11的可拆卸连接。示例性地,硬质框架11包括第一边111、第二边112、第三边113和第四边114第四边114,第一边111和第三边113沿第一方向平行间隔设置,第二边112和第四边114第四边114平行间隔设置,第一边111的两端分别与第二边112和第四边114第四边114可拆卸连接,第三边113的两端分别与第二边112和第四边114第四边114可拆卸连接。优选地,硬质框架11为正方形,则第一边111、第二边112、第三边113和第四边114第四边114的长度相同,可实现批量化生产,同时提高零部件的通用性。
图2中,位于第一方向端部的发电组件1100中的硬质框架11与提手结构1800为一体结构。示例性地,提手结构1800与硬质框架11的一个边为一体结构。当然,在其他实施例中,提手结构1800还可以是和与其相邻的硬质框架11的一个边固定连接。
当太阳能板在折弯区1700进行反复折叠展开后,导线1200在折弯区1700的部分难免容易折断或破裂。为了解决该问题,图3示出了图2中A处的放大图,如图3结合图2所示,太阳能板还包括绝缘膜1500,导线1200位于折弯区1700的部分覆盖有绝缘膜1500,且绝缘膜1500的至少部分延伸至相邻的背板13和绝缘板14之间。如此设置,可避免导线1200断裂导致的漏电问题。绝缘膜1500可选用PET薄膜或涂敷绝缘层的布料。
优选地,导线1200位于折弯区1700的部分的两侧均覆盖有绝缘膜1500。如此设置,能够更好地保护导线1200的两侧,避免导线1200断裂后扎破前膜1300和背膜1400,防止太阳能板漏电。
导线1200在折弯区1700的部分采用打散的编制铜线,以减小导线1200在折弯区1700所受的折弯作用力,延长导线1200的使用寿命,避免导线1200断裂刺破前膜1300或背膜1400导致的漏电问题。
实施例一:
如图4所示,本实施例提供一种太阳能板,太阳能板包括发电模块和硬质框架24,硬质框架24设置为框架结构,硬质框架24中设有容置孔241,发电模块设置于容置孔241中,发电模块包括层叠设置的电池片层21、前板层22和背板层23,电池片层21设置于前板层22和背板层23之间,前板层22和背板层23均设置为透明结构。
具体而言,本实施例提供的太阳能板中内置有硬质框架24以及由电池片层21、前板层22和背板层23构成的发电模块,其中,电池片层21用于接收光照并发电,前板层22和背板层23分别起到从正面和背面保护电池片层21的作用,电池片层21置于硬质框架24的容置孔241中,硬质框架24可以从封装截面方向保护电池片层21,提升耐冲击、抗弯曲和机械强度的能力,同时相比传统的外置金属框架而言重量更轻,且能够减少边部遮挡,不会遮挡电池片层21作业。
可选的,发电模块整体位于容置孔241中,即前板层22、电池片层21和背板层23均位于容置孔241。
可选的,电池片层21包括至少两个电池片211,前板层22包括前板单元221,背板层23包括背板单元231,硬质框架24中设置有一个容置孔241,子发电模块包括层叠设置的电池片211、前板单元221和背板单元231,每个容置孔241中对应设置有至少一个子发电模块。在本实施例中,电池片层21包括四个呈矩阵式分布的电池片211,一体式的前板单元221和一体式的背板单元231分别设置于四个电池片211的正反两面。具体地,当太阳能板的尺寸较小时(一般小于0.1㎡),硬质框架24设计为单窗口结构,子发电模块设置在硬质框架24的同一个容置孔241内。
优选的,电池片层21包括多个双面晶硅芯片,每个电池片211中均设有双面晶硅芯片,双面晶硅芯片能够从正反两侧接收光照并发电,提高单位重量电池片层21的发电量。
优选的,硬质框架24采用耐高温高分子材料或者金属材料制成,例如采用聚酰亚胺聚合物、芳香族聚酰胺聚合物或铝合金等材料制成,在提升耐冲击能力、抗弯曲能力和机械强度的同时,相比传统的外置金属框架而言重量更轻,且不会遮挡电池片211双面作业。安装太阳能板时,将电池片211对 应设置于容置孔241后即可层压,免去了整体框架,制作简单。
优选的,硬质框架24的厚度不小于电池片层21的厚度,提高保护的可靠性。
更优的,硬质框架24的厚度不小于发电模块的厚度,进一步提高保护的可靠性。
优选的,硬质框架24的厚度为0.5-3mm,宽度为5-30mm。
优选的,前板层22和背板层23使用透明高分子材料或超薄玻璃,如PC(聚碳酸酯)、PET(涤纶树脂)、或含涂层的PET薄膜材料,前板层22和背板层23也可以采用如EPE(可发性聚乙烯)、FPF(复合酚醛泡沫)、KPK(双面含氟背板)等机械强度较好的透明柔性材料制成。
优选的,前板层22和背板层23的厚度为0.2-1mm。
可选的,太阳能板还包括前膜层25和背膜层26,前膜层25和背膜层26分别贴附于发电模块的正面和背面,具体地,前膜层25设置于前板层22远离电池片层21的一侧,背膜层26设置于背板层23远离电池片层21的一侧。前膜层25和背膜层26均设置为透明结构,用于保护内层的发电模块。
优选的,前膜层25和背膜层26采用含氟薄膜材料制成,例如ETFE(乙烯-四氟乙烯共聚物)、ECTFE(乙烯-三氟氯乙烯共聚物)等。
可选的,前膜层25和背膜层26采用同一种材质制成。更优的,背膜层26采用具有一定机械强度的PET(涤纶树脂)制成,能够更好的把硬质框架24内的子发电模块粘接成一个整体并提供支撑力和更优的边缘防护。
可选的,前板层22和背板层23与电池片层21之间均采用第一封装胶膜27粘接;前膜层25和背膜层26与发电模块之间均采用第二封装胶膜28粘接。
进一步的,前膜层25和背膜层26上与其对应的第二封装胶膜28在高温下进行物理压花,在前膜层25和背膜层26上制成凹凸表面,一方面形成陷光结构,另一方面凹凸表面可以保护内层结构,避免太阳能板内的结构被刮伤,而且还能够辅助限位电池片层21,将电池片211限位于硬质框架24的容置孔241中。
优选的,第一封装胶膜27和第二封装胶膜28可以采用EVA塑料、POE塑料、PVB(聚乙烯醇缩丁醛酯)、TPO(热塑性聚烯烃类)或BPO(过氧化苯甲酰)制成,第一封装胶膜27和第二封装胶膜28均为无色透明结构。
实施例二:
如图5所示,本实施例所提供的太阳能板与实施例一的区别在于:发电模块包括至少两个子发电模块,前板层22包括至少两个前板单元221,背板层23包括至少两个背板单元231,子发电模块设置为沿横向延伸的条状结构,每个子发电模块中设有多个电池片211,前板单元221和背板单元231对应设置为条状结构,相邻两个子发电模块之间并排设置,容置孔241的数量与子发电模块的数量相等,容置孔241对应设置为并排的条状结构。在本实施例中,子发电模块和容置孔241的数量为三个。
具体而言,将发电模块分解成多个子发电模块并一一对应地置于硬质框架24的多个容置孔241中,缩小了单个前板单元221和背板单元231的尺寸,可以解决大尺寸前板单元221和背板单元231容易弯曲变形的问题,前板单元221和背板单元231能够兼容更多种材料,比如超薄玻璃,小尺寸的超薄玻璃平整度高,玻璃本身的刚性可以提升电池片正反面的耐冲击能力,提升产品的抗弯曲能力。
在其它实施例中,硬质框架24的容置孔241中也可以设置两个或两个以上自发电模块。
可选的,第一封装胶膜27包括多个子封装胶膜271,多个子封装胶膜271设置为与前板单元221和背板单元231相适配的长条状结构。电池片211与前板单元221之间、电池片211与背板单元231之间均通过对应的子封装胶膜271粘接。
实施例三:
如图6所示,本实施例所提供的太阳能板与实施例二的区别在于:子发电模块设置为沿竖向延伸的条状结构,容置孔241对应设置为并排的沿竖向延伸的条状结构。
实施例四:
如图7所示,本实施例所提供的太阳能板与实施例二的区别在于:子发电模块设置有至少四个,电池片211的数量、前板单元221的数量和背板单元231的数量均与自发电模块的数量相等,子发电模块呈矩阵式分布,容置孔241对应设置为矩阵式的分布形式。在本实施例中,子发电模块设置有十五个。
具体地,每个子发电模块均包括一个电池片211、前板单元221和背板单元231,进一步缩小了单个前板单元221和背板单元231的尺寸。
可选的,第一封装胶膜27包括多个子封装胶膜271,多个子封装胶膜271呈矩阵式分布,电池片211与前板单元221之间、电池片211与背板单元231之间均通过对应的子封装胶膜271粘接。
实施例五:
如图8所示,本实施例所提供的太阳能板与实施例一的区别在于:硬质框架24位于前板层22和背板层23之间,前板层22和背板层23分别以整板结构设置于硬质框架24的正反两侧,即仅电池片层21设于容置孔241中,而前板层22和背板层23不在容置孔241中,同样能够实现对电池片层21的保护作用。
实施例六:
如图9所示,本实施例提供一种太阳能板,太阳能板包括层叠设置的电池片层31、玻纤增强层32和两个防护层33,两个防护层33分别设置于电池片层31的两侧,玻纤增强层32设置于电池片层31和防护层33之间,玻纤增强层32采用玻璃纤维与浸润胶料混合制成,玻纤增强层32和防护层33均设置为透明结构。
具体而言,本实施例提供的太阳能板在防护层33与电池片层31之间设置有玻纤增强层32,其中,电池片层31用于接收光照并发电,防护层33用于保护内层结构,玻纤增强层32经过高温热压后呈现透明,防护层33也为透明结构,保证光可以透过,不影响电池片层31工作,玻纤增强层32采用玻璃纤维与浸润胶料混合制成,一方面,玻纤增强层32能够提升电池片层31的耐冲击能力,提升太阳能板的抗弯曲能力,另一方面,构成玻纤增强层32的玻璃纤维与浸润胶料密度较小,对太阳能板自重的影响较小,保证了太阳能板的便携性。另外,玻纤增强层32具有一定粘性,可以对电池片层31进行初始固定,避免材料叠层作业和层压时电池片层31移位。
可选的,玻纤增强层32的数量设置为两个,两个玻纤增强层32分别设置于电池片层31的两侧,两个玻纤增强层32分别从两侧增强电池片层31的耐冲击能力,进一步提高抗冲击强度。
可选的,玻纤增强层32设置为一体式的网状结构。
优选的,浸润胶料包括EVA(乙烯-乙酸乙烯共聚物,Ethylene Vinyl Acetate Copolymer)塑料、POE(乙烯和丁烯的高聚物,或乙烯和辛烯的高聚物)塑料、涤纶树脂中的至少一种。
优选的,电池片层31包括多个双面晶硅芯片,双面晶硅芯片能够从正反两侧接收光照并发电,提高单位重量电池片层31的发电量。
可选的,电池片层31包括多个电池片311,每个电池片311均包括双面晶硅芯片,太阳能板还包括硬质框架35,硬质框架35设置为框架结构,硬质框架35中设有多个呈矩阵排布的容置孔351,容置孔351用于容置电池片311,硬质框架35采用耐高温高分子材料或者金属材料制成,例如采用聚酰亚胺聚合物、芳香族聚酰胺聚合物或铝合金等材料制成。硬质框架35可以保护电池片层31,从封装截面方向保护电池片311,提升耐冲击、抗弯曲和机械强度的能力,同时相比传统的金属框架而言重量更轻,且能够减少边部遮挡,不会遮挡电池片311双面作业。安装太阳能板时,将电池片311对应设置于容置孔351后即可层压,免去了整体框架,制作简单。
优选的,硬质框架35的厚度不小于电池片311的厚度。
优选的,硬质框架35的厚度为0.5-3mm,宽度为5-30mm。
可选的,玻纤增强层32与防护层33之间采用封装胶膜36粘接。
进一步的,防护层33与其对应的封装胶膜36在高温下进行物理压花,在防护层33上制成凹凸表面,一方面形成陷光结构,另一方面凹凸表面可以保护内层结构,避免太阳能板内的结构被刮伤,而且还能够辅助限位电池片层31,将电池片311限位于硬质框架35的容置孔351中。
优选的,防护层33采用含氟薄膜材料,如ETFE(乙烯-四氟乙烯共聚物)、ECTFE(乙烯-三氟氯乙烯共聚物)等。
优选的,封装胶膜36可以采用EVA塑料、POE塑料、PVB(聚乙烯醇缩丁醛酯)、TPO(热塑性聚烯烃类)或BPO(过氧化苯甲酰)制成,封装胶膜36为无色透明结构。
实施例七:
如图10所示,本实施例所提供的太阳能板与实施例一的区别在于:玻纤增强层32包括并排设置 的至少两个玻纤增强单元321,玻纤增强单元321设置为沿横向延伸的条形网状结构,降低玻纤增强层32的成型难度,在本实施例中,玻纤增强单元321的数量为三个。
实施例八:
如图11所示,本实施例所提供的太阳能板与实施例一的区别在于:玻纤增强层32包括并排设置的至少两个玻纤增强单元321,玻纤增强单元321设置为沿纵向延伸的条形网状结构,降低玻纤增强层32的成型难度,在本实施例中,玻纤增强单元321的数量为三个。
实施例九:
如图12所示,本实施例所提供的太阳能板与实施例一的区别在于:太阳能板还包括两个承载层34,承载层34采用透明高分子材料制成,两个承载层34分别设置于两个玻纤增强层32与防护层33之间,承载层34与玻纤增强层32和防护层33均通过封装胶膜36粘接,承载层34的设置能够进一步增强太阳能板的机械强度。
优选的,承载层34采用PC(聚碳酸酯)、PET或含涂层的PET薄膜材料制成,或者,承载层34也可以采用如EPE(可发性聚乙烯)、FPF(复合酚醛泡沫)、KPK(双面含氟背板)等机械强度较好的透明柔性材料制成。
优选的,承载层34的厚度为0.2-1mm。
实施例十:
如图13所示,本实施例所提供的太阳能板与实施例二的区别在于:太阳能板中的玻纤增强层32和承载层34均仅设有一个,玻纤增强层32和承载层34分别设置于电池片层31的正反两侧,承载层34设置于电池片层31与防护层33之间,承载层34与硬质框架35和防护层33均通过封装胶膜36粘接。
本实施例提供太阳能板,如图14-图19所示,太阳能板包括电池层以及分别层叠设置于电池层正反两侧的前板4300和背板4400,电池层包括硬质框架4100和电池串4200,硬质框架4100包括多个竖向框条4110和多个横向框条4120,竖向框条4110与横向框条4120十字交叉连接,以构成多个容置孔4130,电池串4200包括多个电池片4201,电池片4201置于容置孔4130中,竖向框条4110与横向框条4120之间可拆卸连接。
具体而言,本实施例提供的太阳能板通过在前板4300和背板4400之间设置刚性的硬质框架4100,并将电池串4200设置于硬质框架4100的容置孔4130中,硬质框架4100具有较高的支撑强度,减小太阳能板弯曲变形对电池串4200的损伤,从而对电池串4200进行保护,提高机械强度,无需设置更多的层数和加入玻纤材料,减小整体质量,降低设备成本。硬质框架4100由多个可拆卸连接的竖向框条4110和横向框条4120构成,相比于一体式的框架结构,不仅生产成本更低,而且易于进行不同形状、尺寸和厚度的的拼装组合,使用灵活性更高。
示例性的,竖向框条4110和横向框条4120的厚度均不小于电池串4200的厚度,以提升太阳能板的面强度。在本实施例中,竖向框条4110和横向框条4120的厚度均大于电池串4200的厚度,以避免电池串4200受到法向的作用力。
示例性的,如图15和图18所示,多个电池片4201呈矩阵分布,分布于竖向上相邻容置孔4130中的电池片4201之间设有横向间隙4204,分布于横向上相邻容置孔4130中的电池片4201之间设有竖向间隙4203。在本实施例中,每个容置孔4130中均设有三个沿竖向排列的电池片4201,同一容置孔4130中的三个电池片4201构成一个子电池串,容置孔4130的数量设置为十个,十个容置孔4130分为上下两层平均分布,即横向间隙4204设有一个,而竖向间隙4203设有八个。
示例性的,如图15和图18所示,电池串4200还包括焊带4202,焊带4202沿竖向电连接相邻的电池片4201,焊带4202穿设于横向间隙4204。
示例性的,竖向框条4110包括沿横向并排设置的若干个竖向内框条4111和两个竖向边框条4112,竖向内框条4111置于竖向间隙4203中,两个竖向边框条4112并排设置于竖向内框条4111的左右两侧,竖向边框条4112位于电池串4200的左右两侧,用于包裹电池串4200的左右侧边,从而保护太阳能板的左右侧边。
示例性的,横向框条4120包括沿竖向并排设置的若干个横向内框条4121和至少两个横向边框条4122,横向内框条4121置于横向间隙4204中,两个横向边框条4122并排设置于横向内框条4121的 上下两侧,横向边框条4122位于电池串4200的上下两侧,用于包裹电池串4200的上下侧边,从而保护太阳能板的上下侧边。
在本实施例中,如图16和图19所示,与纵向间隙的数量相对应,纵向内框条的数量也设置为八个,每个纵向间隙中分别设有一个纵向内框条。
示例性的,如图19所示,横向间隙4204中设有两个横向内框条4121,两个横向内框条4121层叠设置,且两个横向内框条4121间隔设置,焊带4202沿竖向穿设于两个横向内框条4121之间的间隙。焊带4202穿过两个横向内框条4121之间的间隙,可以减少焊带4202在穿越横向内框条4121时爬高拉扯电池片4201造成边缘破损或焊带4202脱焊,同时横向内框条4121可以遮挡焊带4202所连接的汇流导线,使产品呈现整齐有序的外观。
示例性的,如图19所示,位于电池串4200上下两侧的横向边框条4122分别设有两个,处于同侧的两个横向边框条4122层叠设置,且两个横向边框条4122间隔设置,焊带4202沿竖向穿设于两个横向边框条4122之间的间隙。焊带4202传入两个横向边框条4122之间的间隙,可以减少焊带4202在穿越横向边框条4122时爬高拉扯电池片4201造成边缘破损或焊带4202脱焊,同时横向边框条4122可以遮挡焊带4202所连接的汇流导线,使产品呈现整齐有序的外观。
在本申请的其它实施例中,横向间隙4204中也可以设置为单层的横向内框条4121,电池串4200上下两侧的横向边框条4122也可以仅设有单层,横向内框条4121和横向边框条4122的厚度小于竖向内框条4111和竖向边框条4112的厚度,以便于焊带4202爬升以及为汇流导线提供让位空间。
示例性的,横向内框条4121和横向边框条4122均设置为长条薄板结构,横向内框条4121和横向边框条4122的厚度均小于竖向内框条4111和竖向边框条4112的厚度。
示例性的,横向内框条4121与横向边框条4122的厚度相等;竖向内框条4111和竖向边框条4112的厚度相等。
示例性的,横向内框条4121、横向边框条4122、竖向内框条4111和竖向边框条4112的厚度不尽相同。
在本实施例中,竖向间隙4203的宽度为25-35mm,横向间隙4204的宽度为35-45mm;竖向边框条4112的厚度为3mm,宽度为30mm;竖向内框条4111的厚度为3mm,宽度为25-35mm;处于焊带4202下方的横向边框条4122的厚度为1.2mm,处于焊带4202上方的横向边框条4122的厚度为1.6mm,横向边框条4122的宽度均为30mm;处于焊带4202下方的横向内框条4121的厚度为1.2mm,处于焊带4202上方的横向内框条4121的厚度为1.6mm,横向内框条4121的宽度均为35-45mm。
示例性的,子电池串与竖向框条4110和横向框条4120之间间隔设置,以降低叠层压合过程中因高度差带来的局部压力不均匀而造成电池片4201碎片或层压不实的不良风险。
示例性的,如图17所示,竖向框条4110上设有第一榫卯部4141,横向框条4120上设有第二榫卯部4142;和/或竖向框条4110上设有第二榫卯部4142,横向框条4120上设有第一榫卯部4141;第一榫卯部4141与第二榫卯部4142榫卯结合,方便安装,且能够保证结合的可靠性。在其它实施例中,竖向框条4110与横向框条4120之间也可以采用卡扣等其它结构可拆卸连接。
在本实施例中,如图17所示,第一榫卯部4141设置为等腰的梯形凸块,梯形凸块的长底边朝外设置,第二榫卯部4142对应设置为相适配的等腰的梯形凹槽,梯形凹槽的长底边朝内设置。
示例性的,竖向边框条4112与横向边框条4122的外周部均设置有倒角,以在外力冲击时减小边部和角部受力。
示例性的,竖向框条4110和/或横向框条4120上设有安装孔,通过穿设于安装孔的紧固件连接前板4300、背板4400和/或外部配件。一方面可以取代柔性板的背胶式粘接结构,在太阳能板的下方形成空气流通通道,提升太阳能板的散热性能,从而提升发电效率;另一方面便于连接提手、支架等外部配件,提高结构的紧凑度。
示例性的,如图14所示,太阳能板还包括粘接胶膜4500,电池层与前板4300之间和/或电池层与背板4400之间通过粘接胶膜4500粘接固定。
示例性的,硬质框架4100选择机械强度较高的纤维板或经过表面绝缘处理的金属板制成。
示例性的,前板4300材料选择机械韧性较高的透明绝缘材料,如PET(聚对苯二甲酸乙二醇酯)及PET的复合材料。
示例性的,背板4400材料选择具备机械韧性较高的支撑材料,如玻纤板、PET及PET的复合材料。
示例性的,粘接胶膜4500材料选择光伏常规材料,如EVA(乙烯-醋酸乙烯共聚物)、POE(聚乙烯辛烯共弹性体)、PO(环氧丙烷)、PVB(聚乙烯醇缩丁醛酯)等。
尽管上面已经示出和描述了本申请的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本申请的限制,本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型,本申请的范围由权利要求及其等同物限定。

Claims (42)

  1. 一种太阳能板,其特征在于,包括硬质框架和电池片,所述硬质框架设有容置孔,所述电池片设置于所述容置孔。
  2. 根据权利要求1所述的太阳能板,其特征在于,包括发电组件(1100)和导线(1200),所述发电组件(1100)包括:
    硬质框架(11),其上设有容置孔;
    所述电池片(12),设于所述容置孔内;
    背板(13),设于所述容置孔内并位于所述电池片(12)上,所述背板(13)和所述电池片(12)之间设有粘结胶膜(1600);
    绝缘板(14),覆盖于所述硬质框架(11)靠近所述背板(13)的一端面上,所述导线(1200)设于所述背板(13)与所述绝缘板(14)之间。
  3. 根据权利要求2所述的太阳能板,其特征在于,所述太阳能板还包括前膜(1300)和背膜(1400),至少两个所述发电组件(1100)沿第一方向间隔设于所述前膜(1300)和所述背膜(1400)之间,相邻两个所述发电组件(1100)之间的间隔在所述前膜(1300)和所述背膜(1400)上形成折弯区(1700),所述导线(1200)用于电连接相邻两个所述发电组件(1100)。
  4. 根据权利要求3所述的太阳能板,其特征在于,所述太阳能板还包括绝缘膜(1500),所述导线(1200)位于所述折弯区(1700)的部分覆盖有所述绝缘膜(1500),且所述绝缘膜(1500)的至少部分延伸至相邻的所述背板(13)和所述绝缘板(14)之间。
  5. 根据权利要求4所述的太阳能板,其特征在于,所述导线(1200)位于所述折弯区(1700)的部分的两侧均覆盖有所述绝缘膜(1500)。
  6. 根据权利要求3所述的太阳能板,其特征在于,所述硬质框架(11)由多个边可拆卸拼接围合而成。
  7. 根据权利要求6所述的太阳能板,其特征在于,所述太阳能板还包括提手结构(1800),两个所述提手结构(1800)位于至少两个发电组件(1100)在第一方向的两端。
  8. 根据权利要求7所述的太阳能板,其特征在于,所述提手结构(1800)和与其相邻的硬质框架(11)固定连接;或
    所述提手结构(1800)和与其相邻的硬质框架(11)的一个边为一体结构。
  9. 根据权利要求8所述的太阳能板,其特征在于,所述提手结构(1800)上设有提手槽,所述前膜(1300)和所述背膜(1400)上与所述提手槽相对应的位置均设有通槽,所述通槽的形状与所述提手槽的形状相适配。
  10. 根据权利要求3所述的太阳能板,其特征在于,所述前膜(1300)为透明柔性材料;和/或
    所述背膜(1400)为透明柔性材料。
  11. 根据权利要求2-10任一项所述的太阳能板,其特征在于,所述发电组件(1100)还包括前板(15),所述前板(15)覆盖于所述硬质框架(11)靠近所述电池片(12)的一端面上;
    所述前板(15)与所述硬质框架(11)之间设有粘结胶膜(1600);
    所述绝缘板(14)与所述硬质框架(11)之间设有粘结胶膜(1600)。
  12. 根据权利要求1所述的太阳能板,其特征在于,所述太阳能板包括:
    硬质框架(24),所述硬质框架(24)中设有容置孔(241);
    电池片层(21),所述电池片层(21)设置于所述容置孔(241)中;
    前板层(22),所述前板层(22)位于所述电池片层(21)的一侧;
    背板层(23),所述背板层(23)位于所述电池片层(21)的相对另一侧。
  13. 根据权利要求12所述的太阳能板,其特征在于,所述硬质框架(24)位于所述前板层(22)和所述背板层(23)之间。
  14. 根据权利要求12所述的太阳能板,其特征在于,所述前板层(22)、所述电池片层(21)和所述背板层(23)均位于所述容置孔(241)。
  15. 根据权利要求13或14所述的太阳能板,其特征在于,所述电池片层(21)包括至少两个电池片(211),所述前板层(22)包括至少两个前板单元(221),所述背板层(23)包括至少两个背板单 元(231),所述硬质框架(24)中对应设置有至少两个所述容置孔(241),每个所述容置孔(241)中对应设置有所述电池片(211)、所述前板单元(221)和所述背板单元(231)。
  16. 根据权利要求15所述的太阳能板,其特征在于,所述容置孔(241)设置为沿竖向或横向延伸的条状结构,相邻两个所述容置孔(241)并排设置。
  17. 根据权利要求15所述的太阳能板,其特征在于,所述容置孔(241)设置有至少四个,所述容置孔(241)呈矩阵式分布。
  18. 根据权利要求13或14所述的太阳能板,其特征在于,所述太阳能板还包括前膜层(25)和背膜层(26),所述前膜层(25)设置于所述前板层(22)远离所述电池片层(21)的一侧,所述背膜层(26)设置于所述背板层(23)远离所述电池片层(21)的一侧。
  19. 根据权利要求18所述的太阳能板,其特征在于,所述前膜层(25)和所述背膜层(26)上设有通过高温物理压花成型的凹凸表面,以形成陷光结构,所述凹凸表面能够保护内层结构且辅助限位所述电池片层(21)。
  20. 根据权利要求13或14所述的太阳能板,其特征在于,所述硬质框架(24)的厚度不小于所述电池片层(21)的厚度。
  21. 根据权利要求20所述的太阳能板,其特征在于,所述硬质框架(24)采用耐高温高分子材料或者金属材料制成。
  22. 根据权利要求18所述的太阳能板,其特征在于,所述电池片层(21)包括多个双面晶硅芯片,所述前板层(22)、所述背板层(23)、所述前膜层(25)和所述背膜层(26)均为透明结构。
  23. 根据权利要求1所述的太阳能板,其特征在于,所述太阳能板包括层叠设置的电池片层(31)、玻纤增强层(32)和两个防护层(33),两个所述防护层(33)分别设置于所述电池片层(31)的两侧,所述玻纤增强层(32)设置于所述电池片层(31)和所述防护层(33)之间,所述玻纤增强层(32)采用玻璃纤维与浸润胶料混合制成,所述玻纤增强层(32)和所述防护层(33)均设置为透明结构。
  24. 根据权利要求23所述的太阳能板,其特征在于,所述玻纤增强层(32)的数量设置为两个,两个所述玻纤增强层(32)分别设置于所述电池片层(31)的两侧。
  25. 根据权利要求24所述的太阳能板,其特征在于,所述玻纤增强层(32)设置为一体式的网状结构;或者
    所述玻纤增强层(32)包括并排设置的至少两个玻纤增强单元(321),所述玻纤增强单元(321)设置为沿横向或纵向延伸的条形网状结构。
  26. 根据权利要求23所述的太阳能板,其特征在于,所述浸润胶料包括EVA塑料、POE塑料、涤纶树脂中的至少一种。
  27. 根据权利要求23所述的太阳能板,其特征在于,所述太阳能板还包括承载层(34),所述承载层(34)采用透明高分子材料制成,所述承载层(34)设置于所述电池片层(31)与所述防护层(33)之间,和/或所述承载层(34)设置于所述玻纤增强层(32)与所述防护层(33)之间。
  28. 根据权利要求23所述的太阳能板,其特征在于,所述电池片层(31)包括多个电池片(311),所述硬质框架(35)设置为框架结构。
  29. 根据权利要求28所述的太阳能板,其特征在于,所述硬质框架(35)的厚度不小于所述电池片(311)的厚度。
  30. 根据权利要求23-29任一项所述的太阳能板,其特征在于,所述防护层(33)上设有通过高温物理压花成型的凹凸表面,以形成陷光结构,所述凹凸表面能够保护内层结构且辅助限位所述电池片层(31)。
  31. 根据权利要求23-29任一项所述的太阳能板,其特征在于,所述电池片层(31)包括多个双面晶硅芯片,所述双面晶硅芯片能够从正反两侧接收光照并发电。
  32. 根据权利要求23-29任一项所述的太阳能板,其特征在于,所述玻纤增强层(32)与所述防护层(33)之间采用封装胶膜(36)粘接。
  33. 根据权利要求1所述的太阳能板,其特征在于,所述太阳能板包括电池层以及分别层叠设置于所述电池层正反两侧的前板(4300)和背板(4400),其特征在于,所述电池层包括硬质框架(4100)和电池串(4200),所述硬质框架(4100)包括多个竖向框条(4110)和多个横向框条(4120),所述 竖向框条(4110)与所述横向框条(4120)十字交叉连接,以构成多个容置孔(4130),所述电池串(4200)包括多个电池片(4201),所述电池片(4201)置于所述容置孔(4130)中,所述竖向框条(4110)与所述横向框条(4120)之间可拆卸连接。
  34. 根据权利要求33所述的太阳能板,其特征在于,所述竖向框条(4110)包括沿横向并排设置的若干个竖向内框条(4111)和两个竖向边框条(4112),两个所述竖向边框条(4112)并排设置于所述竖向内框条(4111)的左右两侧;和/或
    所述横向框条(4120)包括沿竖向并排设置的若干个横向内框条(4121)和至少两个横向边框条(4122),所述横向边框条(4122)并排设置于所述横向内框条(4121)的上下两侧。
  35. 根据权利要求34所述的太阳能板,其特征在于,多个所述电池片(4201)呈矩阵分布,分布于竖向上相邻所述容置孔(4130)中的所述电池片(4201)之间设有横向间隙(4204),所述横向内框条(4121)置于所述横向间隙(4204)中;
    分布于横向上相邻所述容置孔(4130)中的所述电池片(4201)之间设有竖向间隙(4203),所述竖向内框条(4111)置于所述竖向间隙(4203)中。
  36. 根据权利要求35所述的太阳能板,其特征在于,所述电池串(4200)还包括焊带(4202),所述焊带(4202)沿竖向电连接相邻的所述电池片(4201),所述焊带(4202)穿设于所述横向间隙(4204)。
  37. 根据权利要求36所述的太阳能板,其特征在于,所述横向间隙(4204)中设有两个所述横向内框条(4121),两个所述横向内框条(4121)层叠设置,且两个所述横向内框条(4121)间隔设置,所述焊带(4202)沿竖向穿设于两个所述横向内框条(4121)之间的间隙。
  38. 根据权利要求33所述的太阳能板,其特征在于,所述竖向框条(4110)上设有第一榫卯部(4141),所述横向框条(4120)上设有第二榫卯部(4142);和/或
    所述竖向框条(4110)上设有所述第二榫卯部(4142),所述横向框条(4120)上设有所述第一榫卯部(4141);
    所述第一榫卯部(4141)与所述第二榫卯部(4142)榫卯结合。
  39. 根据权利要求38所述的太阳能板,其特征在于,所述第一榫卯部(4141)设置为梯形凸块,所述梯形凸块的长底边朝外设置,所述第二榫卯部(4142)对应设置为相适配的梯形凹槽,所述梯形凹槽的长底边朝内设置。
  40. 根据权利要求33-39任一项所述的太阳能板,其特征在于,所述竖向框条(4110)和所述横向框条(4120)的厚度均不小于所述电池串(4200)的厚度。
  41. 根据权利要求33-39任一项所述的太阳能板,其特征在于,所述竖向框条(4110)和/或所述横向框条(4120)上设有安装孔,通过穿设于所述安装孔的紧固件连接所述前板(4300)、所述背板(4400)和/或外部配件。
  42. 根据权利要求33-39任一项所述的太阳能板,其特征在于,所述太阳能板还包括粘接胶膜(4500),所述电池层与所述前板(4300)之间和/或所述电池层与所述背板(4400)之间通过所述粘接胶膜(4500)粘接固定。
PCT/CN2023/093553 2022-07-01 2023-05-11 太阳能板 WO2024001541A1 (zh)

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