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
  • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
  • H01L31/042—PV modules or arrays of single PV cells
  • H01L31/048—Encapsulation of modules
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
  • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
  • H01L31/042—PV modules or arrays of single PV cells
• • 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
  • H02S20/00—Supporting structures for PV modules
  • H02S20/20—Supporting structures directly fixed to an immovable object
  • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
  • H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof 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
  • H02S20/00—Supporting structures for PV modules
  • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
• • 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
  • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
  • Y02B10/00—Integration of renewable energy sources in buildings
  • Y02B10/10—Photovoltaic [PV]
• • 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

Definitions

• the present invention relates to a solar cell device. Background technique
• a solar cell module that uses solar energy more often has a photoelectric conversion module that converts light energy into electrical energy after being irradiated by sunlight.
• Solar cell modules are used in a wide range of applications, such as in large-scale power plants or in small-scale power generation.
• 1 is a schematic view of a conventional solar cell device mounted on a roof to receive solar power.
• the conventional solar cell device 1 uses a one-piece solar cell module 11 to generate electricity.
• the entire-type solar cell module 11 can be disposed only along the slope of the roof without being attached to the frame, so that the light receiving angle of the solar cell module 11 is limited by the housing orientation. It cannot be adjusted according to the direction of the sun.
• an object of the present invention is to provide a solar battery device which can be easily installed and can adjust the light receiving angle of the solar battery module without using an additional frame.
• a solar cell apparatus comprises a plurality of solar cell modules which are spaced apart and form a module surface.
• Each solar cell module includes a tube body and a solar cell module.
• the tube body is at least partially transparent.
• the solar cell module is disposed in the tube body and has a light receiving plane, wherein a normal direction of the light receiving plane forms an angle with the normal direction of the module surface at the solar cell module.
• the solar cell device further comprises a support component supporting the solar cell module. Wherein, the solar cell module is suspended.
• the normal direction of the light receiving plane is determined according to the latitude of the installation area of the solar cell device.
• the solar cell device is mounted on a support surface, and the module surface is substantially parallel to the support surface.
• the support surface is a water surface, a building surface, or a ground.
• the tubes are arranged substantially in parallel at intervals.
• the solar cell module is of a long strip type.
• the module surface is a plane or a curved surface.
• the solar cell device further includes a rotating mechanism coupled to the solar cell module, and respectively rotating the solar cell module in a rotation axis parallel to a longitudinal direction of each of the tubes.
• the solar cell device further includes a rotating mechanism coupled to the solar cell module and respectively rotating the solar cell module in a direction parallel to a longitudinal axis of each of the tubes.
• the solar cell module can easily adjust the light receiving angle, thereby obtaining higher photoelectric conversion efficiency.
• the normal direction of the light receiving plane of the solar cell module and the module surface may form an angle in the normal direction of the solar cell module. The user does not need to additionally erect the frame of the solar cell device on the roof, so that the solar cell module has a better light receiving angle.
• the installation cost and material cost of the user can be saved, and the problem that the heavy frame can crush the roof can be avoided.
• the solar cell modules of the present invention are spaced apart, wind, snow or solar light can pass between the solar cell modules, thereby preventing excessive wind pressure, snow damage, or blocking the sun. Light problem.
• the light transmittance of the entire solar cell device can be improved, and it can be applied to a terrace, a top floor, a roof, a building exterior wall or a relatively fragile building structure, or even a roof of a greenhouse. .
• FIG. 1 is a schematic view of a conventional solar cell device
• FIG. 2A to 2C are schematic views of a solar cell device according to a preferred embodiment of the present invention.
• FIG. 3 is a schematic view showing a solar cell device according to a preferred embodiment of the present invention mounted on a support surface;
• 4A to 4D are schematic views showing a solar cell device according to a preferred embodiment of the present invention installed on a roof, a water surface, and an exterior wall of a building;
• FIG. 5A is a magnetically-transferred power and FIG. 5B is a perspective view of a solar cell device according to a preferred embodiment of the present invention further including a ferromagnetic carrier of the support assembly
• Figure 6 is a schematic illustration of a plurality of solar cell modules spaced apart and forming a curved module surface in accordance with a preferred embodiment of the present invention
• FIG. 7A to 7C are schematic views showing a plurality of variations of a solar cell module according to a preferred embodiment of the present invention.
• Figure 8 is a schematic illustration of a louver-like solar cell device in accordance with a preferred embodiment of the present invention.
• FIG. 9 is a schematic view showing the solar cell module rotated by magnetic force in a preferred embodiment of the present invention.
• a solar cell device 20 can be applied to any situation requiring photoelectric conversion, for example, on a terrace, a top floor, a roof, an exterior wall of a building, or a relatively fragile building structure. On, can even be set on the roof of the greenhouse.
• the solar cell device 20 includes a plurality of solar cell modules.
• the solar cell device 20 has two solar cell modules 2a, 2b as an example.
• the solar cell device 20 may also include other numbers of solar cell modules.
• Each of the solar cell modules 2a, 2b includes a tube body 21 and a solar cell module 22.
• the solar cell modules 2a, 2b need not be identical, for example, the shape of the tube body 21 may be different, or the aspect of the solar cell module 22 may be different.
• the solar cell modules 2a, 2b can be identical for mass production and assembly, and the solar cell modules 2a, 2b are identical here.
• FIG. 2B is a side view of the solar cell device of FIG. 2A.
• the solar cell modules 2a, 2b are spaced apart and form a module face L.
• the spacing between the solar cell modules 2a, 2b is not limited herein, and the interval may be at least allowed to rotate the tube body 21, or may be determined according to whether the solar cell modules 2a, 2b do not block the sunlight from each other, for example, greater than 2 ⁇ Pipe diameter or greater than 80% of the pipe diameter or greater than 1.2 times the pipe diameter.
• these tubular bodies 21 are arranged substantially in parallel at intervals.
• the module face L can be imagined as a plane provided by the solar cell modules 2a, 2b (as shown in FIG. 2A), or a virtual plane composed of tangent lines of adjacent solar cell modules 2a, 2b, or through the center of the solar cell module 22.
• the virtual plane of the axis (as shown in Figure 2B).
• the tube body 21 is at least partially transparent, that is, the portion that receives the sunlight is light-transmitting, and the material of the tube body 21 is glass, for example, tempered glass or low-iron glass, wherein the content of iron is low.
• the tubular body 21 can also be made of other materials such as quartz, or plastic. Since the glass has good weather resistance, it can be exposed to sunlight for a long time without deterioration, and the glass tube body is often used as a lamp tube, so it is a cheap object that is mass-produced on the market.
• Both ends of the tubular body 21 can be sealed, for example, the two ends of the tubular body 21 can be heated to heat-seal the glass, or the openings of the two ends of the tubular body 21 can be sealed by two sealing members (not shown), wherein the sealing is sealed.
• the material of the piece may include, for example, resin, plastic or metal.
• the glass body is heat-sealed by heating both ends of the tube body 21 as an example of sealing.
• the tubular body 21 may be a one-piece type or a combination of two or more components.
• the cross section of the tubular body 21 is not limited to a circular shape, and may be a semicircular shape, an elliptical shape, a triangular shape or other geometrical figures.
• the tube body 21 of the present embodiment is exemplified by a circular shape, and the curved surface of the tube body 21 can effectively reduce the reflectance of incident light.
• the solar cell module 22 is disposed in the tube body 21 and has a flat surface 221.
• the light receiving plane 221 refers to a non-convex surface, a concave surface or a curved surface, but a flat surface.
• the solar cell module 22 does not need to be entirely planar, but may partially have a light receiving plane 221.
• the solar battery module 22 is exemplified by a flat plate shape. This embodiment does not limit the material of the solar cell module 22, which may include, for example, silicon, or germanium, or a compound semiconductor, or an organic material.
• the material structure of the solar cell module 22 may be amorphous, or microcrystalline, or polycrystalline, or polycrystalline, or single crystal.
• the solar cell module 22 can be, for example, single crystal, or single crystal germanium (Ge), or multi-crystalline silicon, or polycrystalline germanium, or poly-silicon or amorphous. Silicon, or amorphous germanium, or microcrystalline silicon, or a compound semiconductor (such as a III-V or II-VI family), or a Dye-sensitized Solar Cell, or the like.
• the embodiment also does not limit the shape of the solar cell module 22, and the strip shape is taken as an example, and the solar cell module 22 can be fitted into the tube body 21 in cooperation with the sealing member to enhance the assembly of the solar cell module 22. stability.
• Figure 2C is a side view of the solar cell device 20 of Figure 2A.
• the normal direction A of the light receiving plane 221 of at least one of the solar cell modules 22 forms an angle a with the normal direction B of the module surface L at the solar cell module 22, where the angle a is not zero, and may be An acute angle of less than 90 degrees. Since the present invention utilizes the advantage that the tubular body 21 is easy to rotate, the angle ⁇ is changed at the time of installation or by the tracking system, so that the solar cell modules 2a, 2b can easily adjust the light receiving angle to obtain higher photoelectric conversion efficiency.
• the normal direction A of the light receiving plane 221 of one of the solar cell modules 22 and the normal direction B of the module surface L are at the solar cell module 22, and an angle ct can be formed.
• the angle ⁇ or the normal direction of the light receiving plane L can be determined according to the installation area of the solar cell device 20.
• the light receiving direction (ie, the normal direction) of the light receiving plane 221 of the solar cell module 22 can be adjusted according to the preferred light receiving angle of the location of the solar cell device 20, so that the solar cell module 22 is
• the normal direction A of the light receiving plane 221 and the normal direction B of the module surface L form an angle ct at the solar cell module 22.
• the light receiving plane of the solar cell module and the module surface L have the same normal direction (as shown in FIG. 1), and the solar cell cannot be installed.
• the module appropriately adjusts the angle of the solar cell module or the solar cell module, so that the solar cell module has a better light receiving direction.
• the Optimum Orientation Angle of the solar cell module at the location where it is mounted for example, the normal direction of the light-receiving surface of the solar cell module is directed toward the annual average optimum solar illumination angle of the installation location.
• the solar cell module whose normal direction of the light-receiving surface is oriented toward the annual average optimal sunshine angle is The intensity of solar sunlight received in the year (whose unit is W/m 2 ) will be higher than the intensity of sunlight received by solar modules facing other angles. The higher the intensity of the received sunlight, the better the photoelectric conversion efficiency.
• the range of the best sunshine angle is within plus or minus 10 degrees of the latitude of the site, preferably within plus or minus 5 degrees.
• a solar cell module disposed at a 23 degree north latitude region has a normal annual illumination angle of 13 to 33 degrees in the normal direction of the light receiving surface, so the light receiving surface of the solar cell module should have 13 degrees to A horizontal elevation angle of 33 degrees to direct the normal direction toward the best annual sunshine angle.
• the best sunshine angle at the location of the installation can also be the best sunshine angle for the monthly average, the seasonal average or other pointers, and the best sunshine angles for each location may also have different results depending on the calculation formula. E.g.
• the solar cell device 20 is mounted on a supporting surface DL.
• the tube body 21 is disposed on the support surface DL to form a module surface L (this is exemplified by a surface composed of tangent lines of the top adjacent solar cell modules 2a, 2b), that is, the module surface L and the support surface DL substantially Parallel on.
• the invention does not limit the aspect of the support surface DL, which may for example be a water surface (e.g. a water storage surface in a reservoir), a building surface (e.g., a top floor, an exterior wall, an eaves, a roof, or a terrace) or a ground.
• FIG. 4A to 4D sequentially show that the solar cell device 20 is mounted on a roof, a water surface, and an exterior wall of a building.
• the solar cell device 20 is disposed on a sloping roof of the northern hemisphere and is located on a sloping roof facing south.
• the light-receiving surface of the solar cell module 22 is facing south, it is restrained by the installation environment (for example, roof).
• the inclination direction) the normal direction of the module surface L of the solar cell device 20 does not necessarily face the optimum solar illumination angle, so that each solar cell module 21 can be rotated during installation, so that the solar cell module 22 has a light receiving surface thereof.
• the line direction A can point to the optimum solar illumination angle, which in turn causes the normal direction A of the light receiving plane of the solar cell module 22 to form an angle with the normal direction B of the module surface L. In this way, it is not necessary to install an additional frame to raise the angle of the light receiving plane of the solar cell module 22.
• FIG. 4B it is a solar cell device 20 installed in the northern hemisphere.
• the normal direction B is substantially parallel to the normal direction of the inclined roof on the north side, and the optimum sunlight angle is, for example, a range within plus or minus 10 degrees of the latitude of the ground, so that the light receiving surface of the solar cell module 22 should face the south, and have the place Horizontal elevation in the range of plus or minus 10 degrees of latitude.
• the best sunshine The direction of the angle is substantially parallel to the normal direction A of the light receiving surface, and the direction of the optimum sunlight angle is substantially at an angle ⁇ with the normal direction B of the module surface.
• the solar cell device 20 of the present invention can be installed without being restrained by the installation environment, and can install the angle of the light receiving surface of the solar cell module 22 according to the optimal solar angle of the installation location, thereby obtaining better photoelectric conversion. Efficiency, and no additional frame is required to raise one side of the solar cell device 20.
• the solar cell device 20 may further include a support assembly 23 supporting the solar battery modules 2a, 2b.
• the solar cell modules 2a, 2b are supported by the support member 23 to form the module surface L of the solar cell modules 2a, 2b.
• the support assembly 23 is exemplified by including two cross bars.
• the support assembly 23 can be implemented by other members.
• the support assembly 23 can include a frame (as shown in FIG. 5B), and the frame can be used for biaxial tracking, or the solar battery modules 2a, 2b can be used with ropes. Suspended in the air, the solar cell device 20 is like a blind.
• the module surface formed by the solar cell module is a plane, and the module surface can also form a curved surface with the supporting surface of the environment.
• the plurality of solar cell modules 2a, 2b, 2c are spaced apart and form a curved surface of the module surface.
• the normal direction of the module surface 1 ⁇ , B 2 , B 3 forms an angle a 1 , d 2 , ⁇ 3 in each solar cell module 22 respectively.
• the angle is Ct l, ct 2 are equal, and the solar cell module 2c is disposed on the curved surface, so the angle ⁇ 3 is not equal to the angle ⁇ 1 , ⁇ 2 .
• the solar cell module of this embodiment can have various variations, which will be exemplified below with reference to Figs. 7A to 7C.
• the solar cell module 2a may further include two electrodes 24 and two electrical connectors 25.
• the electrodes 24 are disposed at both ends of the solar cell module 22, and may also be disposed in the solar cell module 22.
• a location is not limited here.
• the electrical connectors 25 may be disposed at both ends or one end of the tube body 21 and electrically connected to the solar cell module 22.
• the position of the electrical connector 25 can be set in accordance with the position of the electrode 24.
• the electrical connector 25 is also disposed at both ends of the tube body 21, and is electrically connected to the electrode 24 through the wire 26.
• the electrical connector 25 can also be electrically connected to the electrode 24 by other means, for example, directly soldered to the electrode 24.
• FIG. 7B it shows another aspect of the solar cell module 2d, which is mainly different from the solar cell module 2a in that two electrical connectors 25 are disposed at the same end of the tube body 21, and the tube body 21 The other end is in a sealed state, for example, by sealing one end of the sintered tubular body 21 (the material is made of glass), or by adding a stopper after sintering.
• the electrical connector 25 can be implemented in various types.
• the electrical connector 25 is an electrical pin that is pierced from both ends of the tube body 21, That is, a part of the electrical pins are packaged in both ends or one end of the tube body 21.
• the electrical connector 25 can also be like a lamp cap of a general lamp, and includes a cap body and one or two pins (as shown in FIG. 7A and FIG. 7B).
• the cap body is connected to one end of the pipe body.
• the foot is protruding from the cap.
• the electrical connector 25 can be a connector, a connector that is coupled to other solar modules or other electronic products in a male-female fit.
• the electrical connector 25 can be in the form of a wire that can be joined to other solar cell modules or other sub-devices by soldering.
• the electrical connector 25 may be in the form of a snap-fit structure to connect other solar cell modules or other electronic devices with a bump fit.
• the foregoing is illustrative and is not intended to limit the invention.
• another aspect of the solar cell module 3 includes a tube body 31, a solar cell module 32, two electrodes 34, two wires 36, and two electrical connectors 35.
• the main difference from the solar battery module of the above embodiment is that the solar battery module 3 further includes a carrier 37, the carrier 37 is disposed in the tube body 31, and the solar battery module 32 is disposed on the carrier body 37.
• the material, type or shape of the carrier 37 is not limited in this embodiment, and may be, for example, a circuit board, or a metal sheet, or a glass substrate, or a resin substrate, etc., which may also be formed by injection molding and pressing. It is made by a molding or extrusion process, and a printed circuit board is taken as an example here.
• the carrier body 37 can also at least partially transmit light, and when the solar cell module 3 is applied to plant cultivation, the plants located under the solar cell module 3 can obtain more light.
• the carrier 37 can be attached to the tubular body 31 by snapping, or bonding, or fitting.
• the carrier 37 may have a heat dissipating structure such as a heat dissipating fin.
• the solar cell device of the embodiment can also rotate the solar cell modules or directly rotate the solar cell modules in the module through a rotating mechanism (such as a motor, a refining strip, a belt, etc.). To achieve the purpose of chasing the sun. Moreover, since the tubular body 21 is long, the present invention only needs to follow the single axis to reduce the complexity of the solar cell module to chase the sun, and reduce the cost of tracking the sun.
• a rotating mechanism such as a motor, a refining strip, a belt, etc.
• the solar cell device 40 includes a plurality of solar cell modules 4 , and the solar cell modules 4 are spaced apart from each other and form a module surface (not shown). Since the solar cell module 4 of the present embodiment is vertically suspended, the module surface may be a plane tangential to each solar cell module, which is a vertical plane.
• Each solar cell module 4 includes a tube body 41 and a solar cell module 42. Since the technical features of the solar cell module 4 have been described in the foregoing embodiments, they will not be described again.
• the solar cell device 40 further includes a rotating mechanism 47 coupled to the solar cell modules 4.
• the rotating mechanism 47 includes a control rod 471 and a plurality of ropes 472 (or long rods), wherein the rope 472 is coupled to Both ends of the tubular body 41 are symmetrically arranged, and by rotating the control rod 471, the rope can be controlled to move up and down, and the solar battery module 4 is driven to rotate in the direction of the long axis of each tubular body 41 as the rotational axis direction AX. In this way, the angle formed by the normal direction of the light receiving plane of the solar cell module and the normal direction of the module surface can be adjusted.
• the rotating mechanism 47 can rotate the tubular body 41 and the solar cell module 42 therein by a gear, or a motor, or a belt or other actuating assembly.
• the solar cell module 22 of the solar cell module 2a is rotated by a magnetic force.
• a magnet may be disposed on the left and right sides or one side of the solar cell module 22, and an electromagnet in the tube body is used to generate a magnetic force to control the rotation of the solar cell module 22 to achieve the purpose of adjusting the angle ⁇ .
• the solar cell module 2a further includes a magnet 28 whose S pole faces the solar cell module 22.
• the solar cell module 2a further includes an electromagnet 29, which generates a magnetic force, and the N pole faces the solar cell module 22, so The solar cell module 22 can be rotated clockwise.
• the present invention has a plurality of solar cell modules respectively disposed in a plurality of tubes, and the advantages of the tubes being easily rotated are utilized, so that the solar cell module can easily adjust the light receiving angle, thereby obtaining higher photoelectric conversion efficiency.
• the normal direction of the light receiving plane of the solar cell module and the module surface may form an angle in the normal direction of the solar cell module. The user does not need to additionally erect the frame of the solar cell device on the roof, so that the solar cell module has a better light receiving angle.
• the installation cost and material cost of the user can be saved, and the problem that the heavy frame can crush the roof can be avoided.
• the solar cell modules of the present invention are spaced apart, wind, snow or solar light can pass between the solar cell modules, thereby preventing excessive wind pressure, snow damage, or blocking the sun. Light problem.
• the light transmittance of the entire solar cell device can be improved, and it can be applied to a terrace, a top floor, a roof, a building exterior wall or a relatively fragile building structure, or even a roof of a greenhouse. .

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• Engineering & Computer Science (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Electromagnetism (AREA)
• General Physics & Mathematics (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• Computer Hardware Design (AREA)
• Physics & Mathematics (AREA)
• Power Engineering (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
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• Photovoltaic Devices (AREA)
• Roof Covering Using Slabs Or Stiff Sheets (AREA)

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• 2010
  • 2010-05-21 CN CN2010202037686U patent/CN201788986U/zh not_active Expired - Fee Related
• 2011
  • 2011-01-28 WO PCT/CN2011/070742 patent/WO2011143951A1/zh active Application Filing
  • 2011-01-28 JP JP2013511512A patent/JP2013526784A/ja active Pending

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