WO2011078227A1 - 太陽電池モジュール用架台、太陽電池モジュール用固定部材、及び太陽電池モジュール用架台を用いた太陽光発電システム - Google Patents
太陽電池モジュール用架台、太陽電池モジュール用固定部材、及び太陽電池モジュール用架台を用いた太陽光発電システム Download PDFInfo
- Publication number
- WO2011078227A1 WO2011078227A1 PCT/JP2010/073139 JP2010073139W WO2011078227A1 WO 2011078227 A1 WO2011078227 A1 WO 2011078227A1 JP 2010073139 W JP2010073139 W JP 2010073139W WO 2011078227 A1 WO2011078227 A1 WO 2011078227A1
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- WO
- WIPO (PCT)
- Prior art keywords
- solar cell
- cell module
- frame
- fixing member
- power generation
- Prior art date
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- 238000010248 power generation Methods 0.000 title claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims description 47
- 239000002184 metal Substances 0.000 claims description 47
- 229910052782 aluminium Inorganic materials 0.000 claims description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Images
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
- H02S20/00—Supporting structures for PV modules
- H02S20/10—Supporting structures directly fixed to the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
- F24S25/13—Profile arrangements, e.g. trusses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
- F24S25/617—Elements driven into the ground, e.g. anchor-piles; Foundations for supporting elements; Connectors for connecting supporting structures to the ground or to flat horizontal surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
- F24S25/634—Clamps; Clips
- F24S25/636—Clamps; Clips clamping by screw-threaded elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/65—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent supporting elements, e.g. for connecting profiles together
-
- 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
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- 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 module mount on which a solar cell module is mounted, a solar cell module fixing member that presses and fixes a frame of the solar cell module, and a solar power generation system using the solar cell module mount.
- a stand for the solar cell module is mounted on the roof or the like, and the solar cell module is mounted on the stand and fixed.
- the frame of the solar cell module and the like are grounded by wiring connection in order to remove the charged charges generated by the photovoltaic power generation.
- the frame of the solar cell module is formed of a conductive metal body and the outer surface thereof is covered with an insulating film for preventing corrosion, wiring work for grounding the frame of the solar cell module is difficult. Met.
- Patent Document 1 proposes a technique capable of easily and reliably forming a grounding wiring.
- a minute protrusion that is electrically connected by biting into the frame material is provided. Thereby, the effort which carries out wiring connection of the frame of a solar cell module at least can be saved.
- the microprotrusions on the mounting surface as in Patent Document 1 are weak in strength, and when the frame is pressed from above, the microprojections may fall before biting into the frame.
- the microprojection is collapsed or crushed, and the solar cell module and the microprojection The electrical connection between the two was not stably maintained.
- the present invention has been made in view of the above-described conventional problems, and a solar cell module mount and a solar cell module fixing capable of realizing stable grounding of the solar cell module by a simple operation.
- An object is to provide a solar power generation system using a member and a solar cell module mount.
- a solar cell module mount of the present invention is a solar cell module mount on which a solar cell module including a frame is mounted, and a fixing member placed on the frame of the solar cell module; A base member under the frame of the solar cell module, and a fastening member that fastens the fixing member and the base member so that the fixing member and the base member sandwich the frame of the solar cell module,
- the fixing member has a contact portion that contacts the frame of the solar cell module, and the contact portion of the fixing member has an annular ridge that protrudes toward the frame side of the solar cell module.
- the annular protrusion is formed. Cut into the frame of the solar cell module.
- the fixing member is electrically connected to the frame of the solar cell module by the biting of the annular protrusion. Therefore, the frame of the solar cell module can be conducted to the fixing member only by performing the tightening operation of the fastening member, and the grounding path of the frame of the solar cell module can be formed through the fixing member. Work such as wiring connection can be greatly simplified.
- annular ridge is annular, any force that pushes down the ring ridge can be received in a distributed manner over the entire ring ridge, and the force in any direction The strength is also high. For this reason, even if the position of the solar cell module is adjusted after the annular ridge bites into the frame of the solar cell module, or even if the solar cell module is displaced due to an impact, the annular ridge is not collapsed or crushed. Absent. For this reason, conduction between the solar cell module and the fixing member is not interrupted, and stable grounding of the solar cell module can be maintained.
- the annular protrusion of the fixing member breaks through the oxide film on the aluminum surface and forms the frame of the solar cell module. It bites in and conducts to aluminum.
- the fastening member is, for example, a bolt or a nut necessary for assembling the gantry.
- Bolts and nuts are used at multiple locations to fix the frame of the solar cell module to the frame member, so these bolts and nuts can be used not only for fixing the frame of the solar cell module but also as a fastening member. Thus, an increase in the number of parts can be suppressed.
- the fixing member has a perforation, and the annular ridge is formed on the periphery of the perforation.
- the fixing member has a through hole through which the fastening member passes, and the perforation is provided around the through hole.
- the fixing member has a through hole through which the fastening member passes, and the through hole is the perforation.
- the tip-shaped annular ridge is provided in the vicinity of the fastening portion of the fixing member, the fastening force of the fastening member surely acts on the tip-shaped annular ridge in the vicinity of the fastening portion.
- a sharp annular ridge bites into the frame of the solar cell module and becomes conductive.
- the through hole also serves as the perforation, it is not necessary to form the through hole separately from the perforation.
- the solar cell module mount having the above-described configuration can be manufactured more easily.
- the mount member is a bar on which a frame of the solar cell module is placed.
- This pier is a part or part of the gantry and is not a special part, so there is no increase in the number of parts or cost.
- the solar cell module fixing member of the present invention is a solar cell module fixing member that presses and fixes the frame of the solar cell module, and the abutting contact of the fixing member with the frame of the solar cell module
- the contact portion of the fixing member has an annular ridge that protrudes toward the frame side of the solar cell module.
- Such a fixing member for a solar cell module according to the present invention corresponds to the fixing member in the above-described solar cell module mount according to the present invention, and therefore has the same effect.
- the fixing member has a perforation, and the annular ridge is formed on the periphery of the perforation.
- the fixing member for a solar cell module having this configuration can be easily manufactured.
- the solar power generation system of the present invention includes a solar cell module having a frame and the above-described solar cell module mount of the present invention.
- a photovoltaic power generation system of the present invention since the solar cell module mount of the present invention is used, the same effect is achieved.
- the photovoltaic power generation system according to an embodiment of the present invention is a photovoltaic power generation system using the solar cell module mount according to the present invention, wherein a plurality of solar cell module frames include the fixing member and the fastening member. It is sandwiched and supported by members.
- a photovoltaic power generation system including a plurality of solar cell modules, particularly a power plant including a large number of solar cell modules can be configured with a simple configuration. realizable.
- the fastening member includes the fixing member and the gantry member such that the annular protrusion of the fixing member bites into the frame of the solar cell module. It is concluded.
- the frame of the solar cell module is made of a metal body covered with an insulating oxide film
- the fixing member is made of a conductor
- the fastening is performed.
- the fixing member and the gantry member so that a member of the annular protrusion of the fixing member breaks through the oxide film of the frame of the solar cell module and contacts the metal body of the frame of the solar cell module Is concluded.
- the annular protrusion of the fixing member bites into the frame of the solar cell module, breaks through the insulating oxide film that covers the metal body, and contacts the metal body of the frame of the solar cell module. It touches.
- annular protrusion of the said fixing member is conduct
- the metal body is made of aluminum or an aluminum alloy
- the insulating oxide film is a surface oxide film of aluminum or an aluminum alloy
- the conductor is , Made of plated steel plate or steel plate. In this configuration, since the conductor is made of a relatively hard material, it is easy to break through the insulating oxide film covering the metal body. Therefore, if the fixing member is grounded, the metal body of the frame of the solar cell module can be stably grounded.
- the fixing member is grounded.
- annular ridge that protrudes toward the frame of the solar cell module is formed at the contact portion of the fixing member that contacts the frame of the solar cell module. For this reason, when the fixing member and the gantry member are fastened by the fastening member and the frame of the solar cell module is sandwiched between the fixing member and the gantry member, the annular ridge bites into the frame of the solar cell module.
- the fixing member is electrically connected to the frame of the solar cell module by the biting of the annular protrusion. Therefore, the frame of the solar cell module can be conducted to the fixing member only by performing the tightening operation of the fastening member, and the grounding path of the frame of the solar cell module can be formed through the fixing member. Work such as wiring connection can be greatly simplified.
- annular ridge is annular, any force that pushes down the ring ridge can be received in a distributed manner over the entire ring ridge, and the force in any direction The strength is also high. For this reason, even if the position of the solar cell module is adjusted after the annular ridge bites into the frame of the solar cell module, or even if the solar cell module is displaced due to an impact, the annular ridge is not collapsed or crushed. In addition, conduction between the solar cell module and the fixing member is not interrupted, and stable grounding of the solar cell module can be maintained.
- the annular protrusion of the fixing member breaks through the oxide film on the aluminum surface and forms the frame of the solar cell module. It bites in and conducts.
- the fastening member is, for example, a bolt or a nut necessary for assembling the gantry.
- Bolts and nuts are used at multiple locations to fix the frame of the solar cell module to the frame member, so these bolts and nuts can be used not only for fixing the frame of the solar cell module but also as a fastening member. Thus, an increase in the number of parts can be suppressed.
- FIG. 1 It is a perspective view which shows the solar energy power generation system to which one Embodiment of the stand for solar cell modules of this invention is applied. It is a rear view which shows the solar energy power generation system of FIG. It is a perspective view which expands and shows the solar power generation system of FIG. 1 partially. It is a perspective view which shows the base crosspiece in the mount for solar cell modules of this embodiment. It is a perspective view which shows the arm in the mount for solar cell modules of this embodiment. It is a perspective view which shows the vertical cross in the mount for solar cell modules of this embodiment. It is a top view which shows the vertical cross in the mount for solar cell modules of this embodiment. It is a perspective view which shows the crosspiece member which comprises the horizontal crosspiece in the mount for solar cell modules of this embodiment.
- FIG. 1 It is a top view which shows the crosspiece member which comprises the horizontal crosspiece in the mount frame for solar cell modules of this embodiment. It is a perspective view which shows the other crosspiece member which comprises the horizontal crosspiece in the mount for solar cell modules of this embodiment. It is a perspective view which shows the truss in the mount for solar cell modules of this embodiment. It is a figure which shows roughly cross-sectional shapes, such as a base crosspiece, an arm, a horizontal crosspiece, and a truss, in the mount for solar cell modules of this embodiment. It is a perspective view which shows the triangular structure which consists of a base crosspiece, an arm, and a vertical crosspiece.
- FIG. 1 It is a side view which shows each truss of FIG. It is a perspective view which shows the connection metal fitting for connecting the base crosspiece and the truss in the mount for solar cell modules of this embodiment. It is a side view which shows the connection metal fitting for connecting the base crosspiece and the truss in the mount for solar cell modules of this embodiment. It is a front view which shows the 1st connection metal fitting arrange
- FIG. 24B is a cross-sectional view taken along line BB in FIG. 24A. It is sectional drawing which follows CC of FIG. 24A.
- FIG. 25 is a perspective view showing the states of FIGS. 24A to 24C when viewed from the light-receiving surface side of the solar cell module. It is a perspective view which shows the state which attached the solar cell module to the crosspiece using the 1st connection metal fitting and the 2nd fixing metal fitting.
- FIG. 29B is a cross-sectional view taken along line BB of FIG. 29A.
- FIG. 29B is a cross-sectional view taken along CC in FIG.
- 29A It is a perspective view which shows the state which attached the solar cell module to the horizontal rail using the 2nd connection metal fitting and the 2nd fixing metal fitting. It is a figure which shows the procedure for forming the cyclic
- FIG. 1 is a perspective view showing a solar power generation system to which an embodiment of a solar cell module mount of the present invention is applied.
- FIG. 2 is a rear view showing the photovoltaic power generation system of FIG.
- FIG. 3 is a partially enlarged perspective view of the photovoltaic power generation system of FIG.
- This solar power generation system is premised on the realization of a power plant.
- a large number of solar cell modules are installed using the solar cell module mount of the present embodiment.
- each base rail 12 is fixed to the upper surface 11-1 of each concrete foundation 11, and these base rails 12 are arranged in parallel at equal intervals.
- Each arm 13 is connected and erected at the rear end portion 12-1 of each base bar 12.
- Each vertical beam 14 is obliquely bridged and fixed to the front end portion 12-2 of each base beam 12 and the upper end portion 13-1 of each arm 13.
- Three horizontal bars 15 (151 and 152) are arranged so as to be orthogonal to the vertical bars 14, and the horizontal bars 15 are arranged on the vertical bars 14 side by side.
- two trusses 16 are bridged between the base beam 12 and the central horizontal beam 15 for each even-numbered base beam 12. Thereby, the truss structure for reinforcing the central crosspiece 15 is constructed.
- the direction in which the concrete foundations 11 are arranged is the X direction (left-right direction), and the direction orthogonal to the X direction is the Y direction (front-rear direction).
- a plurality of solar cell modules 17 are arranged in a horizontal row on the upper horizontal beam 15 and the central horizontal beam 15.
- a plurality of solar cell modules 17 are also arranged in a horizontal row on the lower horizontal beam 15 and the central horizontal beam 15. Accordingly, a plurality of solar cell modules 17 are arranged in two rows on the three horizontal rails 15.
- six solar cell modules 17 are allocated between two vertical bars 14 adjacent to the left and right.
- the solar cell module 17 includes a solar cell panel 18 in which a plurality of solar cells are arranged in a matrix direction, and a frame member 19 that holds the solar cell panel 18.
- Each concrete foundation 11 is formed by forming a mold on the ground and pouring concrete into the mold.
- the concrete foundations 11 are arranged at equal intervals, and their upper surfaces 11-1 are horizontal and flush with each other.
- the upper surface 11-1 of these concrete foundations 11 is used as a horizontal foundation surface.
- the base bars 12 are fixed on the base surface at equal intervals and in parallel. Further, each base beam 12, each arm 13, each vertical beam 14, each horizontal beam 15, each truss 16, and the like are assembled and connected to construct a platform for a solar cell module.
- FIG. 4 is a perspective view showing the base bar 12.
- the base rail 12 includes a pair of side plates 12 a facing each other, a main plate 12 b that connects opposite sides of each side plate 12 a, and each flange 12 c bent outward at the edge of each side plate 12 a. And has a hat-shaped cross-sectional shape.
- each flange 12c is cut off.
- the front end portion 12-2 of the base bar 12 has a U-shaped cross-sectional shape including the side plates 12a and the main plate 12b.
- each side plate 12a In the vicinity of both ends of the main plate 12b of the base bar 12, respective long holes 12d are formed. Respective perforations 12e are formed at both ends of each side plate 12a. Each perforation 12f is formed in the center of each ridge 12c.
- FIG. 5 is a perspective view showing the arm 13.
- the arm 13 includes a pair of side plates 13 a facing each other, a main plate 13 b that connects opposite sides of each side plate 13 a, and a flange 13 c that is bent outward at the edge of each side plate 13 a. It has a hat-shaped cross-sectional shape.
- the main plate 13b and the flanges 13c are cut away, leaving only the side plates 13a.
- the main plate 13b and the flanges 13c are cut away, leaving only the side plates 13a.
- respective perforations 13d are formed at both ends of each side plate 13a of the arm 13.
- FIG. 6A and FIG. 6B are a perspective view and a plan view showing the vertical rail 14.
- each of the vertical rails 14 is a pair of side plates 14a facing each other, a main plate 14b connecting opposite sides of each side plate 14a, and each of the side plates 14a bent outward at the edges of each side plate 14a. It has a hat-shaped cross-sectional shape made of a collar 14c.
- a pair of T-shaped holes 14d are formed in the vicinity of both ends and the center of the main plate 14b of the vertical beam 14, respectively.
- Each side plate 14a has a perforation 14e formed at the tip.
- Each perforation 14e is also formed in a portion near the rear end from the center of each side plate 14a.
- FIG. 7A, 7B, and 8 show a crosspiece member that forms the horizontal crosspiece 15.
- FIG. 1 the horizontal rail 15 is extremely long in the X direction, and it is almost impossible to configure the horizontal rail 15 as a single member. For this reason, the horizontal beam 15 is configured by connecting a plurality of beam members.
- FIGS. 7A and 7B are a perspective view and a plan view showing the first crosspiece member 151 when the rightmost crosspiece member 151 of the horizontal crosspiece 15 in FIG.
- the first crosspiece 151 is bent outward at a pair of side plates 15a facing each other, a main plate 15b connecting opposite sides of each side plate 15a, and an edge of each side plate 15a.
- it has a hat-shaped cross-sectional shape made up of the respective flanges 15c.
- a pair of slits 15d and perforations 15e are formed at four locations on the main plate 15b of the crosspiece 151, respectively.
- perforations 15f and engagement holes 15h are formed at a plurality of locations on each side plate 15a.
- Each elongated hole 15g is formed at both ends of each flange 15c.
- the length of the crosspiece member 151 is slightly longer than the interval between the vertical crosspieces 14 shown in FIG. As a result, the crosspiece member 151 can be bridged between the vertical crosspieces 14.
- FIG. 8 is a perspective view showing the second and subsequent beam members 152 on the left side of the first, assuming that the rightmost beam member 151 is the first in FIG.
- the second and subsequent crosspiece members 152 also have a hat-shaped cross-sectional shape including a pair of side plates 15a, a main plate 15b, and respective flanges 15c, similarly to the crosspiece members 151 of FIGS. 7A and 7B.
- a pair of slits 15d and perforations 15e are formed at three locations on the main plate 15b.
- Perforations 15f and engagement holes 15h are formed at a plurality of locations on each side plate 15a.
- Each elongated hole 15g is formed at one end of each flange 15c.
- a portion along one side of the main plate 15b and each side plate 15a is cut away, leaving only the side plates 15a and the respective flanges 15c.
- the length of the crosspiece member 152 is substantially the same as the interval between the vertical crosspieces 14 shown in FIG. 1 and is slightly shorter than the crosspiece member 151.
- FIG. 9 is a perspective view showing the truss 16.
- the truss 16 includes a pair of side plates 16a facing each other, a main plate 16b connecting one side of each side plate 16a, and each flange 16c bent outward at the edge of each side plate 16a. It has a hat-shaped cross-sectional shape.
- each of the side plates 16a of the truss 16 is formed with respective perforations 16d at both ends.
- each of the base rail 12, the arm 13, the vertical rail 14, the horizontal rail 15, and the truss 16 is bent outward at each side plate, a main plate that connects opposite sides of each side plate, and an edge of each side plate. It has a hat-shaped cross-sectional shape consisting of Moreover, all hat-shaped cross-sectional shapes are the same size. Further, both are formed by cutting or punching a plated steel sheet having the same thickness and then bending the plated steel sheet.
- the hat-shaped cross-sectional shapes of the base rail 12, the arm 13, the vertical rail 14, the horizontal rail 15, and the truss 16 are such that the distance between the side plates a increases with increasing distance from the main plate b.
- FIG. 11A and FIG. 11B are a perspective view and a front view showing a triangular structure composed of a base beam 12, an arm 13, and a vertical beam 14, respectively.
- a base bar 12 is fixed to the upper surface 11-1 of the concrete foundation 11.
- the arm 13 is connected to the rear end 12-1 of the base bar 12 and is erected.
- a vertical beam 14 is obliquely bridged and fixed between the tip 12-2 of the base beam 12 and the upper end 13-1 of the arm 13.
- a triangular structure including the base beam 12, the arm 13, and the vertical beam 14 is constructed.
- Two bolts 21 are projected in advance on the upper surface 11-1 of the concrete foundation 11. These bolts 21 are inserted into the respective elongated holes 12d of the main plate 12b of the base bar 12 so that the main plate 12b of the base bar 12 is brought into contact with the upper surface 11-1 of the concrete foundation 11 and the base bar 12 is placed. . At this time, since the base bar 12 can be moved along each elongated hole 12d (in the Y direction in FIG. 1), the base bar 12 is moved in the Y direction to adjust the position in the Y direction.
- each U-shaped reinforcing bracket 22 is arranged inside the base bar 12 through the bolts 21 through the holes of the two U-shaped reinforcing brackets 22.
- Each nut 21 is screwed and tightened.
- the base beam 12 is fixed to the upper surface 11-1 of the concrete foundation 11.
- each side plate 12a of the base crosspiece 12 has spread on the opening side of the hat-shaped cross-sectional shape. For this reason, the lower end of each side plate 13a can be easily inserted and sandwiched inside the rear end of each side plate 12a of the base bar 12 while elastically deforming the lower end of each side plate 13a so as to approach each other. Therefore, the lower end portion of each side plate 13a and the rear end portion of each side plate 12a can be overlapped. At this time, the arm 13 is self-supporting, and the subsequent connection work of the arm 13 is facilitated.
- the pipe 25 is inserted between the side plates 13a of the arm 13 as shown in FIG.
- the pipe 25, the perforations 13d of the side plates 13a of the arm 13, and the perforations 12e of the side plates 12a of the base bar 12 are aligned.
- the bolts 26 are passed through the pipe 25, the perforations 13d of the side plates 13a of the arm 13, the perforations 12e of the side plates 12a of the base bar 12, and the washers.
- a nut 27 is screwed into one end of the bolt 26 and tightened, and a lower end portion of each side plate 13 a of the arm 13 is connected to each side plate 12 a of the base bar 12.
- each side plate 14a of the vertical rail 14 spreads on the opening side of the hat-shaped cross-sectional shape. For this reason, it can insert easily in the front-end
- a pipe is inserted between the side plates 12a of the base bar 12 in the same manner as in FIG.
- the pipe, the perforations 12e of the side plates 12a of the base rail 12, and the perforations 14e of the side plates 14a of the vertical rail 14 are aligned.
- the bolt is passed through the pipe, the perforations 12e of the side plates 12a of the base rail 12, the perforations 14e of the side plates 14a of the vertical rail 14, and the washer.
- a nut is screwed into one end of the bolt and tightened, and the tip of each side plate 14 a of the vertical beam 14 is connected to each side plate 12 a of the base beam 12.
- the main plate 13b and the flanges 13c are cut away, leaving only the side plates 13a. Therefore, the upper end portions of the side plates 13a can be inserted into the side plates 14a of the vertical rails 14 while elastically deforming the upper end portions of the side plates 13a so as to approach each other.
- a pipe is inserted between the side plates 13a of the arm 13 as in FIG.
- the bolt is passed through a pipe, a hole 13d in each side plate 13a of the arm 13, a hole 14e in each side plate 14a of the vertical rail 14, and a washer.
- a nut is screwed into one end of the bolt and tightened, and the upper end portion 13-1 of the arm 13 is connected to each side plate 14a of the vertical beam 14.
- a triangular structure comprising the base beam 12, the arm 13, and the vertical beam 14 is constructed.
- This triangular structure can sufficiently withstand both the vertical and horizontal forces without particularly increasing the number of parts.
- FIG. 13 is a perspective view showing the mounting bracket 31 used for connecting and fixing the crosspiece members 151 and 152 of the horizontal crosspiece 15 to the vertical crosspiece 14.
- the mounting bracket 31 is formed by forming two screw holes 31b in the bottom plate 31a.
- the mounting bracket 31 is provided with side plates 31c on both sides of the bottom plate 31a.
- the mounting bracket 31 is formed by providing side plates 31d before and after the bottom plate 31a and bending them twice so that each T-shaped support piece 31e protrudes from the center of each side plate 31d.
- a pair of T-shaped holes 14d are formed near both ends and the center of the main plate 14b of the vertical beam 14, respectively.
- a mounting bracket 31 is attached to the main plate 14b of the vertical beam 14 for each pair of T-shaped holes 14d.
- the respective mounting brackets 31 are arranged at the center of the main plate 14b of the vertical beam 14 and at three locations near both ends.
- each support piece 31e of the mounting bracket 31 is inserted into the slit 14f of each T-shaped hole 14d.
- Each support piece 31e is moved to the engagement hole 14g of each T-shaped hole 14d, and the head of each support piece 31e is hooked on the engagement hole 14g of each T-shaped hole 14d.
- the attachment fitting 31 is attached to the main plate 14b of the vertical rail 14.
- the crosspiece members 151, 152 are placed on the main plate 14 b of the vertical crosspiece 14 so as to be orthogonal to the vertical crosspiece 14, and the flanges 15 c of the crosspiece members 151, 152 are attached to the mounting bracket 31. It arrange
- Each bolt 32 is screwed into each screw hole 31b of the mounting bracket 31 via a long hole 15g of each flange 15c of the crosspieces 151 and 152 and each T-shaped hole 14d of the main plate 14b of the vertical crosspiece 14 and temporarily fixed.
- each bolt 32 can be moved along the elongated hole 15g of each flange 15c of the crosspiece members 151 and 152. Therefore, the crosspieces 151 and 152 are moved along the long holes 15g (in the X direction in FIG. 1) to adjust the position in the X direction.
- the mounting bracket 31 can be moved along the T-shaped holes 14d of the main plate 14b of the vertical beam 14 (in the longitudinal direction of the vertical beam 14).
- the crosspieces 151 and 152 can be moved together with the mounting bracket 31.
- the distance between the three horizontal rails 15 arranged on the vertical rail 14 is adjusted by the movement of the rail members 151 and 152 in the longitudinal direction of the vertical rail 14.
- connection structure of the plurality of crosspiece members 151 and 152 constituting the horizontal crosspiece 15 will be described.
- FIG. 7A and 7B is a first crosspiece member on the rightmost side of the horizontal crosspiece 15 in FIG.
- the crosspiece member 151 is spanned between the vertical crosspieces 14 of the first and second concrete foundations 11 in FIG.
- the crosspiece member 151 is fixed to the vertical crosspieces 14 using the mounting bracket 31.
- the crosspiece member 152 shown in FIG. 8 is a second or subsequent crosspiece member of the horizontal crosspiece 15 in FIG.
- the cross member 152 is bridged between the left end portion of the cross member in the previous order and the next vertical cross 14.
- the second beam member 152 is bridged between the left end portion of the first beam member 151 and the third vertical beam 14.
- the third beam member 152 is bridged between the left end portion of the second beam member 152 and the fourth vertical beam 14.
- the nth crosspiece member 152 is bridged between the left end portion of the (n ⁇ 1) th crosspiece member 152 and the (n + 1) th vertical crosspiece 14.
- the second and subsequent crosspieces 152 are also fixed to the respective vertical crosspieces 14 using the mounting bracket 31.
- the main plate 15b is not cut off at either end of the first crosspiece 151. Also, as shown in FIG. 8, the main plate 15b and a portion along one side of each side plate 15a are cut off at one end portion 152-1 of the second and subsequent crosspiece members 152 so that only the side plates 15a and the flanges 15c remain. Has been. As shown in FIGS. 1 and 3, one end 152-1 of each of the second and subsequent crosspieces 152 is connected to the left end of the next crosspiece in the previous order.
- each side plate 15a of the first crosspiece 151 is inserted and sandwiched inside one end of each side plate 15a of the second crosspiece 152.
- each side plate 15 a spreads on the opening side of the hat-shaped cross-sectional shape of the horizontal beam 15 (the beam members 151 and 152).
- the one side edge part of each second side plate 15a can be obtained by simply covering the one side edge part of each side plate 15a of the second bar member 152 with the left side edge part of each side plate 15a of the first bar member 151.
- the left end of each first side plate 15a can be inserted and sandwiched inside.
- each side plate 15a of the 3rd crosspiece member 152 is put on the left side edge part of each side board 15a of the 2nd crosspiece member 152, and the second side inside the one side edge part of each third side plate 15a.
- the left end of each side plate 15a is inserted and sandwiched.
- the third side plate 15a is connected to the second side plate 15a using the pipe 25, the bolt 26, the nut 27, and a washer.
- each side plate 15a of the (n-1) th cross member 152 is inserted and sandwiched inside one end of each side plate 15a of the nth cross member 152. Then, the nth side plate 15a is connected to the (n-1) th side plate 15a by using the pipe 25, the bolt 26, the nut 27, and the washer.
- one long horizontal beam 15 is configured by connecting a plurality of beam members 151 and 152.
- FIG. 17 and FIG. 18 are a front view and a side view showing the trusses 16 spanned between the base rail 12 and the central horizontal rail 15.
- the trusses 16 are arranged perpendicular to the solar cell module 17.
- the side plates 31b of the connection fitting 31 for connecting the base bar 12 and the two trusses 16 are inclined.
- FIGS. 19A and 19B are a perspective view and a side view showing a connection fitting 31 for connecting the base rail 12 and the two trusses 16, respectively.
- the connection fitting 31 includes a bottom plate 31a and side plates 31b bent at both edges of the bottom plate 31a. Each side plate 31b is inclined with respect to the bottom plate 31a. Two elongated holes 31c are formed in the bottom plate 31a. Each side plate 31b is formed with a perforation 31d and a screw hole 31e.
- the bottom plate 31a of the connection fitting 31 is placed on the approximate center of each rod 12c of the even-numbered base bar 12, and the two long holes 31c of the bottom plate 31a are overlapped with the perforations 12f of each rod 12c.
- Two bolts are passed through the long holes 31c of the bottom plate 31a and the perforations 12f of the flanges 12c. Each nut is screwed into one end of these bolts, and the connection fitting 31 is temporarily fixed on each bar 12c of the base bar 12.
- each bolt is passed through each elongated hole 31c of the bottom plate 31a of the connection fitting 31.
- the connection fitting 31 can be moved along each long hole 31c (in the X direction in FIG. 1).
- connection bracket 31 After the connection bracket 31 is temporarily fixed, both ends of the two trusses 16 are connected to the connection bracket 31 and the central crosspiece 15. At this time, the end portions (one end portion 16-1 in FIG. 9) of the side plates 16a of the two trusses 16 are overlapped with each other. And a pipe is inserted between each innermost side plate which mutually opposes. The bolts are passed through the pipe, the perforations 16d of the side plates 16a of the two trusses 16, the perforations 31d of the side plate 31b of the connection fitting 31, and the washer. One end of the bolt is screwed into the screw hole 31 e of the side plate 31 b of the connection fitting 31, and the ends of the two trusses 16 are temporarily fixed to the connection fitting 31.
- the end portions of the side plates 16a of the truss 16 are elastically deformed so as to approach each other.
- the portion is inserted inside the side plate 15a of the crosspiece member 151 or 152 of the central horizontal crosspiece 15.
- a pipe is inserted between the side plates 16 a of the truss 16.
- the bolt is passed through a pipe, a perforation 16d of each side plate 16a of the truss 16, a perforation 15f of each side plate 15a of the crosspiece 151 or 152, and a washer.
- a nut is screwed into one end of the bolt, and the end of each truss 16 is temporarily fixed to the crosspiece member 151 or 152.
- each truss 16 When attaching each truss 16 as described above, the end of each side plate 16a of each truss 16 (the other in FIG. 9) is moved while the connection fitting 31 is moved along each elongated hole 31c (in the X direction in FIG. 1). By adjusting the position of the end portion 16-2), the perforation 16d at the end portion of each side plate 16a and the perforation 15f of each side plate 15a of the crosspiece member 151 or 152 are aligned.
- each bolt for connecting both ends of each truss 16 is tightened to fix each truss 16.
- the central crosspiece 15 supports the ends of the upper and lower solar cell modules 17. Further, the upper and lower horizontal rails 15 support the end portions of the upper or lower solar cell module 17. For this reason, the mounting structure of the solar cell module 17 is different between the central horizontal rail 15 and the upper and lower horizontal rails 15. These mounting structures will be described separately.
- the first connection fitting 41 includes a side plate 41a, a top plate 41b bent at the upper edge of the side plate 41a, and a bottom plate 41g bent at the lower edge of the side plate 41a.
- the top plate 41b is formed with a hanging piece 41e that is bent at the center of one side of the top plate 41b and hangs down at both ends of the one side of the top plate 41b.
- a screw hole 41d is formed in the approximate center of the top plate 41b.
- a perforation 41c is formed in the side plate 41a.
- Each bottom plate 41g is formed with a respective long hole 41i.
- a U-shaped notch is formed at an upper position of the perforation 41 c in the side plate 41 a of the first connection fitting 41.
- This U-shaped inner portion is pushed out from the side plate 41a to the side opposite to the bottom plate 41g and the top plate 41b to form a claw portion 41h.
- the height from the lower surface of the bottom plate 41g of the first connection fitting 41 to the upper surface of the top plate 41b is slightly higher than the height from the upper surface of the flange 15c of the central crosspiece 15 to the upper surface of the main plate 15b.
- 21A to 21C are a perspective view, a side view, and a perspective view, seen from below, of the first fixing fitting disposed on the light receiving surface side of the solar cell module 17 as seen from above.
- the first fixing bracket 43 has a contact plate 43a as a contact portion that contacts the frame member 19 of the solar cell module 17.
- the first fixing bracket 43 is formed by forming protruding pieces 43b bent downward at the front and rear end portions of the contact plate 43a.
- the first fixing bracket 43 is formed by forming a through hole 43c at the center of the contact plate 43a.
- 22A and 22B are a perspective view and a side view showing the second fixing bracket arranged on the light receiving surface side of the solar cell module 17 as viewed from above.
- the second fixing bracket 44 has a contact plate 44a as a contact portion that contacts the frame member 19 of the solar cell module 17.
- the second fixing bracket 44 is formed by forming protruding pieces 44b bent downward at the front and rear end portions of the contact plate 44a.
- the second fixing bracket 44 is formed by forming a through hole 44c at the center of the contact plate 44a.
- the second fixing bracket 44 is formed with an upright wall 44d bent vertically from one end edge of the contact plate 44a.
- the second fixing bracket 44 is formed by bending a lower end edge of the standing wall 44d to form a bottom piece 44e.
- All of the first connection fitting 41, the first fixing fitting 43, and the second fixing fitting 44 are obtained by processing a steel plate that is sufficiently thicker than the base beam 12, the arm 13, the vertical beam 14, the horizontal beam 15, and the truss 16. And has high strength.
- two first connection fittings 41 are arranged in pairs at the locations where the pair of slits 15d are formed in the main plate 15b of the crosspieces 151 and 152 of the central crosspiece 15 at the center.
- the side plates 41 a of the two first connection fittings 41 are overlaid on the side plates 15 a of the horizontal rail 15.
- the top plate 41 b and the bottom plate 41 g of these first connection fittings 41 are directed so as to protrude outward from the horizontal rail 15.
- the upper surface of the top plate 41b of the first connection fitting 41 is slightly smaller than the upper surface of the main plate 15b of the cross rail 15. To be high. Further, the claw portions 41h of the side plates 41a of the first connection fittings 41 are engaged with the engagement holes 15h of the side plates 15a of the horizontal rails 15, so that the first connection fittings 41 are temporarily attached to the side plates 15a of the horizontal rails 15. Stopped.
- a pair of slits 15d and perforations 15e are formed in four places on the rightmost first beam member 151 of the central horizontal beam 15 in FIG. For this reason, two first connection fittings 41 are provided at each of these four locations. Further, as shown in FIG. 8, a pair of slits 15d and perforations 15e are formed at three locations on the second and subsequent beam members 152 of the horizontal beam 15. For this reason, two first connection fittings 41 are provided at these three locations.
- the long holes 41i of the bottom plates 41g of the first connection fitting 41 overlap the long holes 15g of the flanges 15c of the cross members 151 at both ends of the cross members 151 shown in FIGS. Further, also at one end portion of the crosspiece member 152 shown in FIG. 8, the long holes 41 i of the bottom plates 41 g of the first connection fitting 41 overlap the long holes 15 g of the flanges 15 c of the crosspiece member 152. For this reason, the long holes 15g of the flanges 15c of the crosspieces 151, 152 are not blocked by the bottom plates 41g of the first connection fitting 41, and the length of the long holes 15g is not limited. The movement of the crosspiece members 151 and 152 along each elongated hole 15g is not hindered.
- FIG. 24A is a plan view showing a state in which four solar cell modules 17 are attached to the central horizontal rail 15 using the first connection fitting 41 and the first fixing fitting 43.
- 24B is a cross-sectional view taken along the line BB in FIG. 24A
- FIG. 24C is a cross-sectional view taken along the line CC in FIG. 24A.
- FIG. 25 is a perspective view showing the state of FIGS. 24A to 24C when viewed from the light receiving surface side of the solar cell module.
- each solar cell module 17 is connected to the main plate 15b of the horizontal rail 15 until the inner edge 19a of the frame member 19 of each of the lower left and right solar cell modules 17 comes into contact with each projection piece 41f of the lower first connection fitting 41.
- the upper and lower positions of each solar cell module 17 are positioned by shifting upward.
- the protruding pieces 43b of the first fixing bracket 43 are inserted between the frame members 19 of the lower left and right solar cell modules 17, and The frame member 19 is separated by a predetermined interval.
- the bottom protrusion 19 b of the frame member 19 of each solar cell module 17 is brought into contact with each protrusion 41 f of the first connection fitting 41. By these, the left-right position of each solar cell module 17 is positioned.
- the bolt 45 is screwed into the screw hole 41d of the top plate 41b of the first connection fitting 41 through the gap between the through hole 43c of the first fixing fitting 43 and the frame member 19 of each of the lower left and right solar cell modules 17. Tighten.
- the frame members 19 of the lower left and right solar cell modules 17 are sandwiched and fixed between the first fixing bracket 43 and the main plate 15 b of the horizontal rail 15.
- the frame members 19 of the upper left and right solar cell modules 17 are placed between the protruding pieces 41 f of the upper first connection fitting 41 and placed on the main plate 15 b of the horizontal rail 15.
- the frame members 19 of the upper left and right solar cell modules 17 are brought into contact with the frame members 19 of the lower left and right solar cell modules 17 to position the vertical positions of the upper left and right solar cell modules 17.
- each protrusion piece 43b of the 1st fixing bracket 43 is inserted between the frame members 19 of each solar cell module 17 on the upper left and right.
- the bottom protrusion 19 b of the frame member 19 of each solar cell module 17 is brought into contact with each protrusion 41 f of the first connection fitting 41.
- the bolt 45 is screwed into the screw hole 41d of the top plate 41b of the first connection fitting 41 through the gap between the through hole 43c of the first fixing fitting 43 and the frame member 19 of each of the upper left and right solar cell modules 17 and tightened.
- the frame member 19 of each solar cell module 17 on the upper left and right is fixed.
- the second fixing bracket 44 is used to fix the upper and lower two solar cell modules 17 on the right or left side in FIG.
- the frame member 19 of the rightmost or leftmost solar cell module 17 is placed between the protruding pieces 41f of the first connection fitting 41 and placed on the main plate 15b of the cross rail 15. As shown in FIG. Then, the bottom piece 44 e of the second fixing bracket 44 is placed on the main plate 15 b of the horizontal rail 15. Each protruding piece 44b of the second fixing bracket 44 is pressed against the frame member 19 of the solar cell module 17. The bottom projection 19 b of the frame member 19 of the solar cell module 17 is brought into contact with the projection piece 41 f of the first connection fitting 41. By these, the left-right position of the solar cell module 17 is positioned.
- the bolt 45 is screwed into the screw hole 41 d of the top plate 41 b of the first connection fitting 41 through the through hole 44 c of the second fixing fitting 44 and tightened.
- the frame member 19 of the solar cell module 17 is sandwiched and fixed between the second fixing bracket 44 and the main plate 15 b of the horizontal rail 15.
- FIG. 27A is a perspective view showing a second connection fitting disposed on the back side of the solar cell module 17 in the upper and lower horizontal rails 15.
- 27B and 27C are a plan view and a side view showing the second connection fitting of FIG. 27A.
- the second connection fitting 51 includes a pair of side plates 51a facing each other, a top plate 51b connecting the opposing sides of the side plates 51a, and a hat 51c that is bent at the edge of each side plate 51a and protrudes outward. It has a mold cross-sectional shape.
- the second connection fitting 51 is set in a shape and a size so as to fit inside the horizontal rail 15.
- L-shaped cuts are formed from both ends of the top plate 51b of the second connection fitting 51 to the inside. The insides of these L-shaped cuts are raised to form respective protrusions 51f.
- Each side plate 51a of the second connection fitting 51 is formed with a screw hole 51d.
- a screw hole 51e is formed on the center line of the top plate 51b.
- Each long hole 51g is formed in each collar 51c.
- the second connection fitting 51 is also obtained by processing a sufficiently thick steel plate similarly to the first connection fitting 41, the first fixing fitting 43, and the second fixing fitting 44, and has high strength.
- Such second connection fittings 51 are respectively disposed at positions where the pair of slits 15d and the perforations 15e are formed in the main plate 15b of the upper and lower horizontal rails 15 and are fitted inside the horizontal rails 15.
- the side plates 51a of the second connection fitting 51 overlap with the side plates 15a of the horizontal beam 15
- the top plate 51b overlaps the main plate 15b of the horizontal beam 15
- the flanges 51c overlap with the flanges 15c of the horizontal beam 15, respectively.
- a pair of slits 15d and perforations 15e are formed at four locations as shown in FIGS. 7A and 7B. .
- the 2nd connection metal fitting 51 is provided in these four places.
- a pair of slits 15d and perforations 15e are formed at three locations as shown in FIG. For this reason, the 2nd connection metal fitting 51 is provided in these three places.
- the elongated holes 51g of the flanges 51c of the second connection fitting 51 overlap the elongated holes 15g of the flanges 15c of the rail member 151. Further, also at one end portion of the crosspiece member 152 shown in FIG. 8, the long holes 51 g of the flanges 51 c of the second connection fitting 51 overlap the long holes 15 g of the flanges 15 c of the crosspiece member 152. For this reason, the elongated holes 15g of the flanges 15c of the crosspieces 151, 152 are not blocked by the flanges 51c of the second connection fitting 51, and the length of the elongated holes 15g is not limited. The movement of the crosspiece members 151 and 152 along each elongated hole 15g is not hindered.
- FIG. 29A is a plan view showing a state in which the left and right solar cell modules 17 are attached to the upper and lower horizontal rails 15 using the second connection fitting 51 and the first fixing fitting 43.
- FIG. 29B is a cross-sectional view taken along the line BB in FIG. 29A.
- FIG. 29C is a sectional view taken along the line CC of FIG. 29A.
- the frame members 19 of the left and right solar cell modules 17 are placed between the protrusions 51f of the second connection fitting 51 and placed on the main plate 15b of the horizontal rail 15. And each projection piece 43b of the 1st fixing metal fitting 43 is inserted between the frame members 19 of each solar cell module 17 on either side, and the frame members 19 of each solar cell module 17 are spaced apart by a fixed interval. At the same time, the bottom protrusion 19 b of the frame member 19 of each solar cell module 17 is brought into contact with each protrusion 51 f of the second connection fitting 51. Thereby, the left-right position of each solar cell module 17 is positioned.
- the bolt 45 is connected to the top plate of the second connection fitting 51 through the through hole 43c of the first fixing fitting 43, the gap between the frame members 19 of the solar cell modules 17, and the perforations 15e of the main plate 15b of the horizontal rail 15. Screw into the screw hole 51e of 51b and tighten. Accordingly, the frame member 19 of each solar cell module 17 is sandwiched and fixed between the first fixing fitting 43 and the main plate 15b of the horizontal rail 15.
- the second fixing bracket 44 is used to fix the upper and lower two solar cell modules 17 located on the rightmost or left side in FIG.
- the frame member 19 of the rightmost or leftmost solar cell module 17 is placed between the protrusions 51 f of the second connection fitting 51 and placed on the main plate 15 b of the horizontal rail 15.
- the bottom piece 44 e of the second fixing bracket 44 is placed on the main plate 15 b of the horizontal rail 15.
- Each protruding piece 44b of the second fixing bracket 44 is pressed against the frame member 19 of the solar cell module 17.
- the bottom protrusion 19 b of the frame member 19 of the solar cell module 17 is brought into contact with the protrusion 51 f of the second connection fitting 51.
- the left-right position of the solar cell module 17 is positioned.
- the bolt 45 is screwed into the screw hole 51e of the top plate 51b of the second connection fitting 51 through the through hole 44c of the second fixing fitting 44 and the perforation 15e of the main plate 15b of the horizontal rail 15.
- the frame member 19 of the solar cell module 17 is sandwiched and fixed between the second fixing bracket 44 and the main plate 15 b of the horizontal rail 15.
- the solar cell module mount of the present embodiment a large number of solar cell modules 17 are mounted. If wiring connection or the like for grounding the solar cell module 17 is performed separately for these solar cell modules 17, the operation becomes complicated.
- the solar cell module mount of this embodiment only the central crosspiece 15 is grounded by wiring connection or the like.
- these solar cell modules 17 are attached and fixed to the central horizontal rail 15 and at the same time, are electrically connected to the central horizontal rail 15 through the first fixing bracket 43 and the second fixing bracket 44. To be grounded. For this reason, the work necessary for grounding the solar cell module 17 is only the wiring connection of the central cross rail 15 and the like.
- the contact plate 43a of the first fixing bracket 43 is formed with not only the through hole 43c but also two perforations 43d. These perforations 43d are formed in the vicinity of the through-hole 43c and on both sides of an imaginary line segment that passes through the center of each projection piece 43b and the through-hole 43c. Therefore, as shown in FIG. 24A to FIG. 24C or FIG. 29A to FIG. 29C, the protruding pieces 43b of the first fixing bracket 43 are inserted between the frame members 19 of the left and right solar cell modules 17, respectively. In a state where the first fixing bracket 43 is placed on the 17 frame members 19, the respective perforations 43 d overlap the frame members 19 of the left and right solar cell modules 17, respectively.
- Each of the perforations 43d has a ring-shaped protrusion 43e having a sharp tip at the entire inner peripheral edge thereof. That is, the contact plate (contact portion) 43a has an annular protrusion 43e formed on the periphery of the perforation 43d.
- the annular protrusion 43e having a sharp tip at the periphery of the perforation 43d is formed in the contact plate 43a of the first fixing fitting 43 by a drill or the like, and the inner diameter of the perforation 43d.
- the pin 61 having a slightly larger outer diameter is abutted against the inner peripheral edge of the hole 43d with a strong force, and the entire inner peripheral edge of the hole 43d opposite to the pin 61 is projected.
- the contact plate (contact portion) 43a of the first fixing bracket 43 is placed on the frame member 19 of each of the left and right solar cell modules 17, and each perforation 43d is formed in the frame member of each solar cell module 17.
- the ring-shaped protrusions 43 e with sharp tips at the peripheries of the holes 43 d protrude toward the frame members 19 of the left and right solar cell modules 17.
- the bolt (fastening member) 45 is passed through the through hole 43c of the first fixing bracket (fixing member) 43 and the gap between the frame members 19 of the left and right solar cell modules 17.
- the frame member 19 of each of the left and right solar cell modules 17 is inserted between the first fixing bracket 43 and the main plate 15b of the crosspiece (mounting member) 15 by screwing it into the screw hole 41d of the top plate 41b of the first connection fitting 41.
- the sharp annular ridges 43e around the perforations 43d of the first fixing fitting 43 bite into the frame members 19 of the left and right solar cell modules 17,
- the first fixing bracket 43 and the frame member 19 of each solar cell module 17 are in a conductive state.
- the bolts 45 are connected to the top plate 51b of the second connection fitting 51 through the through hole 43c of the first fixing fitting 43 and the gap between the frame members 19 of the left and right solar cell modules 17.
- the first fixing bracket 43 is simultaneously tightened.
- the edge-shaped annular ridge 43e at the periphery of each of the perforations 43d bites into the frame members 19 of the left and right solar cell modules 17, and the first fixing fitting 43 and the frame members 19 of the left and right solar cell modules 17 are in a conductive state. It becomes.
- annular protrusion 43e of each perforation 43d of the first fixing bracket 43 is formed in the vicinity of the bolt 45. For this reason, the tightening force by the bolt 45 surely acts on the annular ridge 43e of each of the perforations 43d, and the annular ridge 43e of each of the perforations 43d bites into the frame members 19 of the left and right solar cell modules 17 and is conducted.
- the frame member 19 of the solar cell module 17 is made of, for example, aluminum or an aluminum alloy (metal body) covered with a surface oxide film (insulating oxide film) of aluminum or an aluminum alloy. For this reason, only by making the 1st fixing bracket 43 contact the surface of the frame member 19, the aluminum or aluminum alloy which comprises the 1st fixing bracket 43 and the frame member 19 will not be in a conduction
- the ring-shaped protrusion 43e having a sharp tip at the periphery of the hole 43d of the first fixing bracket 43 is bitten into the frame member 19 of the solar cell module 17, the ring-shaped protrusion 43e having a sharp tip at the periphery of the hole 43d is formed on the surface of the frame member 19. Breaks through the insulating surface oxide film and comes into contact with aluminum or an aluminum alloy. Therefore, the first fixing metal 43 and the aluminum or aluminum alloy constituting the frame member 19 of the solar cell module 17 are in a conductive state.
- the first fixing bracket 43, the first connection bracket 41 or the second connection bracket 51, the cross rail 15 and the like are made of a conductive material (conductor) such as a plated steel plate or a steel plate, and the bolt 45 is also made of a conductive material such as steel. These are firmly connected. For this reason, when the first fixing bracket 43 is conducted to the frame member 19 of the solar cell module 17, the frame member 19 of the solar cell module 17 becomes the first fixing bracket 43, the bolt 45, and the first connection bracket 41 or the second connection bracket. Conducted to the crosspiece 15 through 51.
- a conductive material such as a plated steel plate or a steel plate
- the bolt 45 is also made of a conductive material such as steel.
- each protrusion piece 44 b of the second fixing bracket 44 is pressed against the frame member 19 of the rightmost or leftmost solar cell module 17 to be second fixed to the frame member 19 of the solar cell module 17.
- each perforation 44 f overlaps the frame member 19 of the solar cell module 17.
- Each of the perforations 44f of the second fixing bracket 44 has an annular ridge 44g having a sharp tip at the entire inner peripheral edge thereof. That is, the contact plate (contact portion) 44a has an annular protrusion 44g formed on the periphery of the perforation 44f.
- the ring-shaped ridge 44g having a sharp tip at the periphery of each perforation 44f is formed in the same manner as the ring-shaped ridge 43e having a sharp tip at the periphery of each hole 43d of the first fixing fitting 43.
- the contact plate (contact portion) 44 a of the second fixing bracket 44 is placed on the frame member 19 of the solar cell module 17, and each hole 44 f is placed on the frame member 19 of the solar cell module 17.
- a sharp annular protrusion 44g at the periphery of each perforation 44f protrudes toward the frame member 19 of the solar cell module 17.
- the bolt (fastening member) 45 is screwed into the screw hole 41d of the top plate 41b of the first connection fitting 41 through the through hole 44c of the second fixing fitting (fixing member) 44 and tightened.
- the frame member 19 of the solar cell module 17 is sandwiched and fixed between the second fixing bracket 44 and the main plate 15b of the horizontal rail (mounting member) 15, at the same time, the tips of the peripheral edges of the perforations 44f of the second fixing bracket 44
- the sharp annular protrusion 44g bites into the frame member 19 of the solar cell module 17, and the second fixing bracket 44 and the frame member 19 of the solar cell module 17 become conductive.
- the bolt 45 is screwed into the screw hole 51 e of the top plate 51 b of the second connection fitting 51 through the through hole 44 c of the second fixing fitting 44, and is tightened.
- the frame member 19 of the solar cell module 17 is sandwiched and fixed between the 15 main plates 15b, at the same time, the sharp annular protrusions 44g at the peripheral edges of the perforations 44f of the second fixing bracket 44 are insulative.
- the second fixing fitting 44 and the frame member 19 of the solar cell module 17 are in a conductive state by breaking through the oxide film and biting into the frame member 19.
- annular protrusion 44g of each perforation 44f of the second fixing bracket 44 is formed in the vicinity of the bolt 45. For this reason, the tightening force by the bolt 45 surely acts on the annular ridge 44g of each perforation 44f, and the annular ridge 44g of each perforation 44f bites into the frame member 19 of the solar cell module 17 and becomes conductive.
- the second fixing bracket 44, the first connection bracket 41 or the second connection bracket 51, the cross rail 15 and the like are made of a plated steel plate or a steel plate conductive material, and the bolt 45 is also made of a conductive material such as steel, which are firmly connected. Has been. For this reason, when the second fixing bracket 44 is electrically connected to the frame member 19 of the solar cell module 17, the frame member 19 of the solar cell module 17 becomes the second fixing bracket 44, the bolt 45, and the first connection bracket 41 or the second connection bracket. Conducted to the crosspiece 15 through 51.
- the solar cell module 17 is attached and fixed to the central horizontal rail 15 using the first fixing bracket 43 and the second fixing bracket 44 at the same time.
- the frame member 19 of the solar cell module 17 can be grounded by being conducted to the central cross rail 15.
- the solar cell module gantry is a combination of a plurality of conductive bars, arms, trusses, and the like, the entire solar cell module gantry is grounded by the ground of the central horizontal rail 15.
- annular protrusions 43e and 44g of the perforations 43d and 44f of the first fixing metal 43 and the second fixing metal 44 are annular ones formed on the entire inner peripheral edge of the perforation. For this reason, the annular protrusions 43e and 44g can receive the force in a distributed manner over the entire annular protrusions 43e and 44g, regardless of the force in any direction that pushes down the annular protrusions 43e and 44g. Its strength is high against force. For this reason, after the annular protrusions 43e and 44g of the perforations 43d and 44f bite into the frame member 19 of the solar cell module 17, the position of the solar cell module 17 is adjusted, or the position of the solar cell module 17 is affected by an impact.
- first fixing bracket 43 is used to fix the frame members 19 of all the solar cell modules 17 to the central crosspiece 15. For this reason, even if the annular protrusion 43e of each perforation 43d is formed only on the first fixing bracket 43 and the annular protrusion 44g of each perforation 44f is not formed on the second fixing bracket 44, all the solar cell modules 17 are provided.
- the frame member 19 can be conducted to the central cross rail 15.
- first fixing bracket 43 is not only used for fixing the frame members 19 of all the solar cell modules 17 to the central horizontal beam 15 but also for fixing to the upper and lower horizontal beams 15. Used. Therefore, one or two of the upper, lower, and central cross rails 15 may be selectively grounded.
- the perforations 43d and 44f of the first fixing bracket 43 and the second fixing bracket 44 may be increased or decreased according to the number of portions that bite into the frame member 19 of the solar cell module 17.
- the perforations 43d and 44f are not limited to a circle but may be an ellipse or the like, and the size thereof is not limited.
- the frame member 19 of the solar cell module 17 is stably conducted to the solar cell module mount.
- each through-hole 43c, 44c is 11 mm and the diameter of the bolt 45 is 8 mm, the difference between these diameters is 3 mm. Therefore, the diameter of each of the perforations 43d, 44f may be 5 mm.
- the present invention is not limited to the above-described embodiment, and even if a design change or the like in a category not departing from the gist of the present invention is performed, It is included in the scope of the present invention.
- the diameter of the perforation 71 of the fixing fitting through which the bolt 45 is inserted is made larger than the diameter of the screw hole of the bolt 45, and an annular protrusion 71a having a sharp tip is formed on the entire inner periphery of the perforation 71. It may be formed and this annular protrusion 71a may be brought into contact with the frame member of the solar cell module.
- the first fixing metal fitting 43 (or the second fixing metal fitting 44) having such a configuration has a frame of the solar cell module 17 on the contact plate 43a (or the contact plate 44a) so as to block the hole 43d (or the hole 44f). It can be produced by bonding a flat plate to the surface opposite to the surface that contacts the member 19.
- the number of solar cell modules fixed to the solar cell module mount is not particularly limited, and may be one.
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Abstract
Description
12 ベース桟
13 アーム
14 縦桟
15 横桟(架台部材)
16 トラス
17 太陽電池モジュール
18 太陽電池パネル
19 枠部材
21,26,32,45 ボルト(締結部材)
22 コの字型補強金具
25 パイプ
27 ナット
31 取付け金具
41 第1接続金具
43 第1固定金具(固定部材)
43d,44f 穿孔
43e,44g 環状突条
44 第2固定金具(固定部材)
51 第2接続金具
Claims (13)
- 枠を備える太陽電池モジュールが搭載される太陽電池モジュール用架台であって、
前記太陽電池モジュールの枠上に載せられる固定部材と、
前記太陽電池モジュールの枠下の架台部材と、
前記固定部材と前記架台部材とが前記太陽電池モジュールの枠を挟み込むように、前記固定部材と前記架台部材とを締結する締結部材とを備え、
前記固定部材が、前記太陽電池モジュールの枠に当接する当接箇所を有し、
前記固定部材の前記当接箇所が、前記太陽電池モジュールの枠側に突出する環状突条を有することを特徴とする太陽電池モジュール用架台。 - 請求項1に記載の太陽電池モジュール用架台であって、
前記固定部材が、穿孔を有し、
前記環状突条が、前記穿孔の周縁に形成されていることを特徴とする太陽電池モジュール用架台。 - 請求項2に記載の太陽電池モジュール用架台であって、
前記固定部材は、前記締結部材が貫く貫通孔を有しており、
前記穿孔が、前記貫通孔周辺に設けられたことを特徴とする太陽電池モジュール用架台。 - 請求項2に記載の太陽電池モジュール用架台であって、
前記固定部材は、前記締結部材が貫く貫通孔を有しており、
この貫通孔が、前記穿孔であることを特徴とする太陽電池モジュール用架台。 - 請求項1~4のいずれか1つに記載の太陽電池モジュール用架台であって、
前記架台部材は、前記太陽電池モジュールの枠が載せられる桟であることを特徴とする太陽電池モジュール用架台。 - 太陽電池モジュールの枠を押え付けて固定する太陽電池モジュール用固定部材であって、
前記固定部材が、前記太陽電池モジュールの枠に当接する当接箇所を有し、
前記固定部材の前記当接箇所が、前記太陽電池モジュールの枠側に突出する環状突条を有することを特徴とする太陽電池モジュール用固定部材。 - 請求項6に記載の太陽電池モジュール用固定部材であって、
前記固定部材が、穿孔を有し、
前記環状突条が、前記穿孔の周縁に形成されていることを特徴とする太陽電池モジュール用固定部材。 - 枠を備える太陽電池モジュールと、請求項1~5のいずれか1つに記載の太陽電池モジュール用架台とを備える太陽光発電システム。
- 請求項8に記載の太陽光発電システムであって、
複数の太陽電池モジュールの枠が前記固定部材及び前記架台部材により挟み込まれて支持されたことを特徴とする太陽光発電システム。 - 請求項8または9に記載の太陽光発電システムであって、
前記締結部材が、前記固定部材の前記環状突条が前記太陽電池モジュールの前記枠に食い込むように、前記固定部材と前記架台部材とを締結していることを特徴とする太陽光発電システム。 - 請求項10に記載の太陽光発電システムであって、
前記太陽電池モジュールの前記枠が、絶縁性の酸化膜で覆われた金属体からなり、
前記固定部材が、導電体からなり、
前記締結部材が、前記固定部材の前記環状突条が前記太陽電池モジュールの前記枠の前記酸化膜を突き破って前記太陽電池モジュールの前記枠の前記金属体に当接するように、前記固定部材と前記架台部材とを締結していることを特徴とする太陽光発電システム。 - 請求項11に記載の太陽光発電システムであって、
前記金属体が、アルミニウムまたはアルミニウム合金からなり、
前記絶縁性の酸化膜が、アルミニウムまたはアルミニウム合金の表面酸化膜であり、
前記導電体が、メッキ鋼板または鋼板からなることを特徴とする太陽光発電システム。 - 請求項11または12に記載の太陽光発電システムであって、
前記固定部材が、接地されていることを特徴とする太陽光発電システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/518,624 US20120273031A1 (en) | 2009-12-24 | 2010-12-22 | Solar cell module rack, solar cell module fixing member, and photovoltaic power generation system with solar cell module rack |
CN2010800582708A CN102668125A (zh) | 2009-12-24 | 2010-12-22 | 太阳电池模块用架台、太阳电池模块用固定部件以及使用太阳电池模块用架台的太阳光发电系统 |
EP10839457A EP2518777A1 (en) | 2009-12-24 | 2010-12-22 | Solar cell module mount, solar cell module fixing member, photovoltaic power generation system using photovoltaic power generation system mount |
Applications Claiming Priority (2)
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JP2009292305A JP4979760B2 (ja) | 2009-12-24 | 2009-12-24 | 太陽電池モジュール用架台、及び太陽電池モジュール用架台を用いた太陽光発電システム |
JP2009-292305 | 2009-12-24 |
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WO2011078227A1 true WO2011078227A1 (ja) | 2011-06-30 |
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PCT/JP2010/073139 WO2011078227A1 (ja) | 2009-12-24 | 2010-12-22 | 太陽電池モジュール用架台、太陽電池モジュール用固定部材、及び太陽電池モジュール用架台を用いた太陽光発電システム |
Country Status (5)
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US (1) | US20120273031A1 (ja) |
EP (1) | EP2518777A1 (ja) |
JP (1) | JP4979760B2 (ja) |
CN (1) | CN102668125A (ja) |
WO (1) | WO2011078227A1 (ja) |
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Also Published As
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CN102668125A (zh) | 2012-09-12 |
JP4979760B2 (ja) | 2012-07-18 |
EP2518777A1 (en) | 2012-10-31 |
US20120273031A1 (en) | 2012-11-01 |
JP2011134847A (ja) | 2011-07-07 |
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