Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
  • H02S30/00—Structural details of PV modules other than those related to light conversion
  • H02S30/10—Frame structures
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
  • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
  • H02S40/30—Electrical components
  • H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E10/00—Energy generation through renewable energy sources
  • Y02E10/50—Photovoltaic [PV] energy
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
  • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

• the present invention relates to the field of solar battery, more particularly to a solar battery assembly.
• a current solar battery assembly may generally comprise a laminated component, and a frame made of aluminum profile or aluminum alloy and fixed around the edge of the laminated component; and then positive and negative terminals of the solar battery assembly are lead out therefrom.
• the solar battery assembly may also comprise a storage battery.
• the storage battery such as a lead acid battery, is relatively heavy with a relatively large volume, they may be fixed underground or placed in a cabinet on the ground.
• the storage batteries may be arranged in a flat shell.
• the shell is required to have high strength and anti-impacting and anti-vibrating performance.
• strengthening components such as strengthening ribs or frames may be formed on the shell, which may incur additional cost with increased manufacturing complexity.
• the present invention is directed to solve at least one of the problems in the prior art. Accordingly, a solar battery assembly may need to be provided for overcoming the energy loss due to long-distance transmission and improving strength thereof etc.
• a solar battery assembly may be provided.
• the solar battery assembly may comprise a frame formed with an inner side groove along an inner periphery thereof; a laminated solar battery panel with peripheral edges thereof being received in the inner side groove; a battery container disposed under the frame which is connected with a bottom surface of the frame; and at least a storage battery contained in the battery container. Energy from the laminated solar battery is stored in the storage battery.
• the frame may be made of iron or steel.
• the storage battery may be integrated into the solar battery assembly so as to decrease the energy loss caused by long-distance wire transmission from the solar units in the solar battery assembly to the storage battery and further to the load.
• the maintenance thereof may be simplified with reduced cost.
• no on-site construction is needed to accommodate the storage battery underground or in a separate cabinet for storing the storage batteries.
• the configuration of the frame and the battery container further improve the bearing capacity of the assembly, thus ensuring strength and stability of the storage batteries disposed therein.
• Fig. 1 shows a schematic view of a solar battery assembly according to an embodiment of the present invention
• Fig. 2 shows an exploded schematic perspective view of a laminated component in a solar battery assembly according to an embodiment of the present invention
• Fig. 3 shows a cross sectional view of an iron frame in a solar battery assembly according to an embodiment of the present invention
• Fig. 4 shows a partial schematic view of a solar battery assembly according to an embodiment of the present invention, showing a gusset joint for connecting a lengthwise side frame and a widthwise side frame;
• Fig. 5 shows a cross sectional view of a solar battery assembly installed with a rechargeable battery according to an embodiment of the present invention.
• Fig. 6 shows a perspective view of a gusset joint in a solar battery assembly according to an embodiment of the present invention.
• a solar battery assembly 100 may be provided.
• the solar battery assembly 100 may comprise a frame 2 formed with an inner side groove along an inner periphery thereof; a laminated solar battery panel 1 with peripheral edges thereof being received in the inner side groove; a battery container 4 disposed under the frame which is connected with a bottom surface of the frame; and at least a storage battery contained in the battery container.
• energy from the laminated solar battery may be stored in the storage battery directly without long-distance wire transmission.
• the solar battery assembly 100 may comprise a laminated solar battery panel 1, a frame 2, a storage battery 3 and a battery container 4.
• the laminated solar battery panel 1 may comprise a back plate, a solar battery array adhered to the back plate, via, for example, a binding agent, and a glass plate disposed on the solar battery array.
• the back plate, the solar battery array and the glass plate are laminated together.
• the frame 2 may be made of iron or steel, so that the strength and stability of the solar energy assembly 100 may be enhanced greatly.
• the frame 2 may comprise two lengthwise side frame portions 21, and two lateral side frame portions 22 connected via a gusset joint 20 respectively.
• the lengthwise side frame portion 21 and the lateral side frame portion 22 may have the same shape with different length.
• the length of the lengthwise side frame portion 21 and lateral side frame portion 22 may be adjusted according to the size of the laminated solar battery panel 1.
• the lengthwise side frame portion 21 and the lateral side frame portion 22 may comprise a bottom portion 25 formed with at least a reinforcing rib 26 in a longitudinal direction thereof; a side portion 24 connected with the bottom portion 25, which extends upwardly from the bottom portion 25; and an inner side groove 23 being formed on the side portion 24 in the longitudinal direction.
• the inner side groove 23 may be formed at an upper end of the side portion 24.
• the peripheral edges of the laminated solar battery panel 1 may be received or fixed in the inner side groove 23.
• the inner side groove 23 may be configured to receive or fix the edge of the laminated solar battery panel 1 to protect thereof accordingly.
• the frame 2 may be made of steel, thus the manufacturing process may be different from that for manufacturing, such as extruding, the aluminum alloy.
• the steel frame may be formed from a steel plate by rolling.
• the bottom portions 25 of the lengthwise side frame portion 21 and the lateral side frame portion 22 may be formed with strengthening ribs.
• the strength of the frame 2 may be increased so as to ensure the linearity of the lengthwise side frame portion 21 and the lateral side frame portion 22.
• the battery 3 may be disposed in a space formed by the side portions 24 and the bottom portions 25 of the lengthwise side frame portions 21 and the lateral side frame portions 22, the battery container 4 and the laminated solar battery panel 1.
• the battery container 4 may be configured as a plate- shaped iron supporting plate, or may be formed by a plurality of iron supporting strips; and the supporting plate or the supporting strips may be fixed on the bottom portion of the frame 2 via screws or rivets.
• the battery container 4 may be formed with a flange portion 41 which may be connected with the bottom portion 25 of the side frame portion 21, 22 via positive connection.
• a circumferential rib 42 may be formed on the flange portion 41, which may be mated with the reinforcing ribs 26 to enhance the supporting strength accordingly.
• a back plate such as that distributed by Dupont Corporation, USA, may be placed on a working table, then a layer of binding agent, i.e. a layer of binding agent film, may be coated on a surface of the back plate. Then, a welded solar battery array may be placed on the binding agent film. After that, another layer of the binding agent film may be coated onto the battery array. Finally, a glass plate may be placed onto the binding agent film, and the whole overlapped structure is then laminated to obtain the desired laminated solar battery panel 1. The binding agent film after lamination may be melted, thus forming an adhesive layer which bonds the back plate, the battery array and the glass plate together to form an integral body.
• the solar battery array may be formed by solar battery plates of n columns multiplied by m rows.
• the solar battery plates may be connected in serial, in parallel or in serial and parallel.
• the solar battery plates in the same column may be connected in serial to form a serially connected group, and then the serially connected group may be connected in parallel or in serial to form a battery array.
• the connection between the solar battery plates connected in serial or parallel may be achieved by a welding strip which may also be called as a connection strip or connection belt.
• the dimension of the solar battery plate may be designed as desired.
• the solar battery plate may have a length of about 125mm, a width of about 125mm and a thickness of about 0.2mm.
• the solar battery plate may be a single crystalline silicon solar battery, a polycrystalline silicon solar battery or non-crystalline silicon solar battery.
• the principle and construction of the solar battery plate is known in the art, thus detailed description thereof may be omitted for clarity purpose.
• the back plate may be used to protect the back of the solar battery array to avoid negative external impact. And the back plate may possess characteristics of high voltage resistance, excellent insulating performance, good weatherability, UV aging resistance with excellent anti- vibration property, thus preventing the solar battery plate from being accidentally fractured.
• the glass plate may be made of low iron ultra- white glass.
• the binding agent material may be epoxy resin, polyurethane or silicon resin and so on, or the binding agent material may be EVA (ethylene vinyl acetate). Meanwhile, additional additives may be added into the EVA. According to an embodiment of the invention, the binding agent may be of transparent color and have excellent light transmittance after solidification.
• the gusset joint 20 may be formed by three perpendicular plates, i.e., a first, second and third planar plate, which are connected with each other in a vertical manner with the first and the second planar plates being connected with the neighboring side frame portions respectively.
• the plates are formed with fixing holes.
• the side portions and the bottom portions of the lengthwise side frame portions 21 and the lateral side frame portions 22 may be formed with fixing holes respectively.
• the planar plates, the lengthwise side frame portion 21 and the lateral side frame portion 22 may be connected via screws or rivets penetrating through the fixing holes.
• the storage battery 3 may be a lithium battery group, or a lithium iron phosphate battery group.
• the lithium iron phosphate battery group may be used, with a nominal voltage of about 3.2V
• the lithium iron phosphate battery group may have a small volume, a high capacity with stable charging and discharging performances.
• the working environmental temperature may range from -10°C to 60 0 C, the charging or discharging cycling times thereof may be about 2000 times.
• the battery may be safe and not easy to explode or leak with excellent weatherability.
• a method for preparing the solar battery assembly may be provided as follows:
• the laminated solar battery panel 1 is prepared. Then a pair of lengthwise side frame portions 21 and a pair of side frame portions 22 may be formed according to the dimension of the laminated solar battery panel 1. Then, sealing adhesive is coated into the inner side groove 23 of the lengthwise side frame portions 21 and lateral side frame portions 22. And four edges of the laminated solar battery panel 1 are placed into the inner side groove 23. Then the lengthwise side frame portions 21 and lateral side frame portions 22 are connected via a gusset joint 20 respectively. And a flatness of the solar battery assembly 100 is adjusted. Finally, the storage battery 3 is disposed or fixed into the battery container 4. The battery container 4 is formed with a flange portion 41 which may be connected to the bottom portions 25 via screws. Due to the connection between the reinforcing ribs 26 and the circumferential rib 42, the strength of the solar battery assembly 100 may be enhanced dramatically.

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• Photovoltaic Devices (AREA)

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Publications (1)

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ID=42429168

Family Applications (1)

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Cited By (1)

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Citations (5)

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• 2009
  • 2009-07-30 CN CN2009201344311U patent/CN201490300U/zh not_active Expired - Lifetime
• 2010
  • 2010-05-28 EP EP10803849.8A patent/EP2460184A4/en not_active Withdrawn
  • 2010-05-28 WO PCT/CN2010/073361 patent/WO2011012016A1/en active Application Filing
  • 2010-05-28 KR KR1020127004479A patent/KR101351942B1/ko active IP Right Grant
  • 2010-05-28 JP JP2012521942A patent/JP5411360B2/ja not_active Expired - Fee Related

Patent Citations (6)

Non-Patent Citations (1)

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