WO2015151455A1 - 太陽電池装置 - Google Patents
太陽電池装置 Download PDFInfo
- Publication number
- WO2015151455A1 WO2015151455A1 PCT/JP2015/001637 JP2015001637W WO2015151455A1 WO 2015151455 A1 WO2015151455 A1 WO 2015151455A1 JP 2015001637 W JP2015001637 W JP 2015001637W WO 2015151455 A1 WO2015151455 A1 WO 2015151455A1
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- WO
- WIPO (PCT)
- Prior art keywords
- solar cell
- frame
- ridge
- gantry frame
- eaves
- Prior art date
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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
- H02S20/20—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
-
- 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
- F24S25/20—Peripheral frames for modules
-
- 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
- F24S25/30—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors
- F24S25/33—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors forming substantially planar assemblies, e.g. of coplanar or stacked profiles
-
- 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
-
- 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
- F24S25/632—Side connectors; Base connectors
-
- 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
- F24S25/67—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent modules or their peripheral frames
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
-
- 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
- F24S2025/80—Special profiles
- F24S2025/801—Special profiles having hollow parts with closed cross-section
-
- 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
- F24S2025/80—Special profiles
- F24S2025/807—Special profiles having undercut grooves
-
- 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 disclosure relates to a solar cell device including a fixing structure for installing a solar cell module on a roof.
- Patent Document 1 describes a support member for supporting and fixing a vertical beam member serving as a gantry to a roof when a solar energy utilization device is installed.
- Patent Document 2 describes a roof tile for panel installation having a pedestal part for installing a rooftop panel on the surface of the roof tile, and a mounting tool attached to the pedestal part.
- a solar cell device includes a solar cell module, a solar cell module having a module frame provided on a peripheral edge of the solar cell panel, and fixed along the ridge direction on the roof, and is guided at an upper portion.
- Fixing a solar cell module comprising a long pedestal frame having a rail part, and a fixing member that is slidably moved in the longitudinal direction of the gantry frame along the guide rail part and is fixed to a predetermined position of the gantry frame It is a structure, and a module frame is provided with the inner side groove part which accommodates the peripheral part of a solar cell panel, and the outer side groove part provided in the opposite side to a solar cell panel.
- the fixing member extends from the standing wall portion so as to be inserted into the base portion engaging with the guide rail portion, the standing wall portion standing on the base portion, and the outer groove portion of the solar cell module installed on the eaves side of the roof.
- the rigidity of the entire device including at least two solar cell modules and the gantry frame can be increased.
- FIG. 2 is a cross-sectional view taken along line AA in FIG. 1 in a state where the gantry frame is set at a position away from the roof. It is sectional drawing which cut
- FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1 in a state where the gantry frame is set at a position close to the roof. It is sectional drawing which cut
- FIG. 2 is a sectional view taken along the line CC in FIG. It is a perspective view of a ridge side fixing member. It is a perspective view of a ridge side cover member. It is a perspective view of an intermediate fixing member.
- FIG. 2 is a DD cross-sectional view in FIG. 1. It is a figure which shows the operation
- FIG. 18 it is a figure which shows the construction procedure at the time of installing a solar cell module in a mount frame. It is a figure corresponding to the lower part of Drawing 12 showing another example of an embodiment concerning this indication. It is a perspective view which isolate
- the present disclosure is not limited thereto.
- it may be applied when three or more solar cell modules are installed side by side in the building direction, or a solar cell module row in which two or more solar cell modules are installed side by side in the building direction.
- the present invention may be applied when a plurality of rows are provided in a direction orthogonal to or intersecting the building direction.
- FIG. 1 is a perspective view of solar cell modules 1a and 1b installed using the fixing structure 10 of the present embodiment.
- FIG. 2 is a cross-sectional view of the module frame 2 provided at the peripheral edge of the solar cell modules 1a and 1b.
- the building direction of the roof 100 is indicated by an arrow X, and the direction orthogonal thereto is indicated by an arrow Y.
- the upper right side is indicated as “building side” and the lower left side is indicated as “eave side”, and the roof 100 is inclined downward from the ridge side toward the eave side.
- each of the solar cell modules 1a and 1b has a solar cell panel SP in which a plurality of solar cell elements are sandwiched between protective members such as glass plates, and a module frame 2 installed on the periphery of the solar cell panel SP.
- the solar cell modules 1a and 1b have a rectangular shape in plan view.
- “plan view” refers to a direction viewed from a direction perpendicular to the light receiving surface of the solar cell panel SP.
- the solar cell modules 1a and 1b are installed such that the short side direction is parallel to the building direction.
- the solar cell module may have a plan view shape other than a rectangle, and may have another shape such as a square.
- the module frame 2 of the solar cell modules 1a and 1b functions as a member for protecting the peripheral edge of the solar cell panel SP and attaching the solar cell module 1 to a frame frame 12 described later.
- the module frame 2 is a long member formed by extruding a metal material such as aluminum, for example. As shown in FIG. 2, the module frame 2 has a substantially rectangular cross-sectional shape that is long in the vertical direction, and an inner groove portion 3 that houses the peripheral edge portion of the solar cell panel SP is formed on the upper portion. A peripheral edge portion of the solar cell panel SP is inserted into the inner groove portion 3 and fixed with an adhesive or the like.
- the module frame 2 has a tubular portion 4 adjacent to the inner groove portion 3.
- the tubular portion 4 increases the rigidity of the module frame 2 and reduces the weight by making it hollow.
- the outer side groove part 5 is formed in the side surface lower part on the opposite side to the solar cell panel SP.
- the outer groove 5 is formed by extending along the longitudinal direction of the module frame 2. Further, when the outer groove portion 5 is assembled as the solar cell modules 1a and 1b, the outer groove portion 5 opens toward the side opposite to the solar cell panel SP, that is, the outside of the solar cell modules 1a and 1b. Further, the outer groove portion 5 is a space into which a protruding portion, which is an insertion portion of a fixing member described later, is inserted, and the depth depth d is formed so that the protruding portion of the fixing member can be completely accommodated. .
- the solar cell modules 1 a and 1 b are installed on the roof 100 by, for example, two gantry frames 12 that constitute a part of the fixing structure 10 of the present embodiment.
- the gantry frame 12 is a long member that is installed along the direction of the roof of the roof 100.
- the solar cell modules 1a and 1b are mounted and fixed on a gantry frame 12 fixed on the roof 100 at a predetermined interval in the arrow Y direction.
- the solar cell device includes solar cell modules 1a and 1b, two mount frames 12, an after-mentioned fixture 20 (FIG. 4 and the like), an eaves-side fixing member 50a (FIG. 6), which is a below-mentioned fixing member, and a building.
- a side fixing member 50b (FIG. 9) and an intermediate fixing member 50c (FIG. 11) are included.
- the roof 100 on which the solar cell modules 1a and 1b are installed may be various types such as a tile roof, a slate roof, and a metal plate roof.
- FIG. 3A is a cross-sectional view taken along the line AA in FIG. 1 in a state where the gantry frame 12 is set at a position away from the surface of the roof 100, and the eaves of the solar cell module 1 a installed on the eaves side of the roof 100. The side edges are shown.
- FIG. 3B is sectional drawing which cut
- FIG. 3C is a cross-sectional view taken along the line AA in FIG. 1 in a state where the gantry frame 12 is set at a position close to the surface of the roof 100.
- 3D is a cross-sectional view of the gantry frame 12 of FIG. 3C cut along a plane orthogonal to the building direction.
- the roof 100 has a waterproof sheet 104 such as asphalt roofing laid on a base plate 102 that is a roof base material of a house, and a slate, for example.
- a large number of roofing materials 106 such as materials are overlapped to form a step.
- the gantry frame 12 is fixed to the roof 100 by a fixture 20 formed of a metal plate such as an iron plate, a stainless steel plate, or a steel plate, for example.
- the fixture 20 is fixed on the surface of the roof 100, that is, on the roof material 106 by a wood screw 29.
- FIG. 4 is a perspective view of the fixture 20 and a partially enlarged sectional view.
- the fixture 20 includes a base plate 21 that is substantially H-shaped in a plan view, and a pair of support portions 22 a and 22 b that are erected from the base plate 21.
- Four screw insertion holes 23 are formed at the four corners of the base plate 21.
- the attachment tool 20 is fixed to the roof 100 by screwing wood screws 29 from these screw insertion holes 23 and penetrating them to the field plate 102.
- the pair of support portions 22 a and 22 b of the fixture 20 form four cut portions in one metal plate, and a portion defined by these cut portions is substantially perpendicular to the base plate 21. It is constructed integrally by bending it into two. As described above, the fixture 20 is integrally formed from a single metal plate, which facilitates manufacturing and reduces costs.
- the pair of support portions 22a and 22b face each other with an interval substantially corresponding to the width w1 of the gantry frame 12 (see FIG. 5). More specifically, the distance between the pair of support portions 22a and 22b is formed to be slightly larger than the width w1 of the gantry frame 12. Thereby, the mount frame 12 can be inserted and disposed between the pair of support portions 22a and 22b.
- each of the support portions 22a and 22b of the fixture 20 has one female screw hole 24 and two through holes 25 formed therein.
- the female screw hole 24 is formed by cutting a female screw on the inner peripheral surface of a through-hole formed, for example, in a frustoconical shape on the outside by burring. Is.
- the female screw hole 24 is a hole into which a bolt for temporarily fixing the gantry frame 12 is screwed as described later, high tightening strength is not required. Therefore, if the female screw groove can be formed with the thickness of the metal plate constituting the fixture 20, the female screw may be cut on the inner circumference corresponding to the plate thickness of the through hole without performing burring.
- the two through holes 25 formed in the support portions 22a and 22b of the fixture 20 are formed apart by a predetermined distance in the vertical direction.
- the two through holes 25 are formed in the support portions 22a and 22b.
- the present invention is not limited to this, and one through hole 25 may be formed or the support portions may be formed.
- the through hole 25 may be formed only on one side of 22a and 22b.
- FIG. 5 is a perspective view showing the gantry frame 12.
- the gantry frame 12 is a long member for mounting and supporting the solar cell modules 1a and 1b.
- the gantry frame 12 is fixed to the roof 100 by the fixture 20 as described above.
- the gantry frame 12 is preferably formed by, for example, extrusion molding of aluminum, or a long member may be formed by continuously bending a metal plate by roll forming or the like.
- the gantry frame 12 has a tubular portion 16 having, for example, a substantially rectangular cross section and an end face shape. By making the tube like this, there is an advantage that the rigidity of the gantry frame 12 is increased.
- a guide rail portion 13 is formed on the gantry frame 12.
- the guide rail portion 13 is constituted by projecting portions 14 a and 14 b projecting substantially horizontally from both sides in the width direction of the gantry frame 12 and a rail bottom surface 15 corresponding to the upper wall of the tubular portion 16.
- the guide rail portion 13 opens between the overhang portions 14 a and 14 b and opens at both longitudinal ends of the gantry frame 12.
- both side edges of the base portion 51 c of the intermediate fixing member 50 c are slidable in the longitudinal direction of the gantry frame 12 with the guide rail portion 13 engaged.
- the details of the intermediate fixing member 50c will be described later.
- FIG. 6 is a perspective view of the eaves side fixing member 50a.
- the eaves-side fixing member 50a is attached to the eaves-side end of the gantry frame 12 with a drill screw 28, as shown in FIGS. 3A and 3C.
- the eaves side fixing member 50 a includes a base portion 51 a, a standing wall portion 52 a, a protruding portion 53 a, an upper end wall portion 54, and a side wall portion 55. It is preferable that the eaves side fixing member 50a is integrally formed of a metal material such as aluminum.
- the base portion 51a is a portion that is inserted into the guide rail portion 13 from the eaves side end portion of the gantry frame 12, and is formed in a plate shape.
- a V-shaped groove 57a for facilitating positioning of the tip of the drill screw 28 is preferably formed in the base 51a.
- the standing wall portion 52a is erected substantially perpendicular to the base portion 51a.
- the width w2 of the standing wall portion 52 is formed to be narrower than the width w3 (FIG. 5) of the upper opening portion of the guide rail portion 13, and is configured not to interfere with the overhang portions 14a and 14b of the guide rail portion 13. ing.
- a protruding portion 53a projects from the side surface of one side of the eaves-side fixing member 50a of the eaves-side fixing member 50a (that is, the side facing the ridge side in the attached state).
- the protruding portion 53a is a portion that is inserted into the outer groove portion 5 formed in the module frame 2 of the solar cell module 1a installed on the eaves side, and positions and supports the solar cell module 1a together with the standing wall portion 52a.
- the protruding length n of the protruding portion 53a from the standing wall portion 52a is shorter than the depth d (see FIG. 2) of the outer groove portion 5 of the module frame 2. Accordingly, the protruding portion 53 a can be inserted into the outer groove portion 5 until the standing wall portion 52 comes into contact with the module frame 2.
- the upper end wall portion 54 is continuously provided at the upper end of the standing wall portion 52a so as to be bent at a right angle with respect to the standing wall portion 52a, and is formed to extend in parallel to the base portion 51a and to the opposite side to the protruding portion 53a.
- the upper end wall portion 54 is a portion to which an eaves side cover member 90a described later is fixed by the drill screw 28 in a state where the eaves side fixing member 50a is attached to the gantry frame 12.
- the side wall portion 55 has a function of positioning the eaves-side fixing member 50a by contacting the end surface of the gantry frame 12, and the eaves-side cover member 90a is fixed by the drill screw 28 (see FIGS. 3A and 3C). .
- FIG. 7 is a perspective view of the eaves side cover member 90a.
- the eaves side cover member 90a is an L-shaped member in which the upper end wall portion 91 and the side wall portion 92 are integrated. Moreover, the eaves side cover member 90a is suitably comprised, for example with resin. Furthermore, the eaves side cover member 90a is fixed to the eaves side fixing member 50a by the drill screw 28 as described above, and is attached so as to cover the end surfaces of the eaves side fixing member 50a and the gantry frame 12. Note that, for example, a V-shaped groove 93 for facilitating positioning of the tip of the drill screw 28 is preferably formed in the upper end wall portion 91 and the side wall portion 92 by extending in the lateral direction.
- FIG. 8 is a cross-sectional view taken along the line CC in FIG. 1 and shows the ridge side ends of the solar cell module 1b and the gantry frame 12.
- the gantry frame 12 is fixed and supported on the fixture 20 fixed to the roof 100.
- a ridge-side cover member 90 b is fixed to the ridge-side end portion of the gantry frame 12 with a drill screw 28.
- symbol is attached
- FIG. 9 is a perspective view of the ridge side fixing member 50b.
- the ridge-side fixing member 50b includes a base portion 51b, a standing wall portion 52b, and a protruding portion 53b.
- the ridge-side fixing member 50b has substantially the same configuration as the eaves-side fixing member 50a described with reference to FIG. 6, and does not have the upper end wall portion and the side wall portion, and the protruding direction of the protruding portion 53b ( That is, they protrude from the standing wall 52b toward the eaves side).
- Each part of the ridge-side fixing member 50b is given a symbol corresponding to the eaves-side fixing member 50a (subscript is “b” instead of “a”), and detailed description thereof is omitted.
- FIG. 10 is a perspective view of the ridge side cover member 90b.
- the ridge-side cover member 90 b includes a flat plate portion 94 provided so as to cover the longitudinal end surface of the gantry frame 12, and side wall portions 95 that are bent substantially at right angles from both ends of the flat plate portion 94.
- the ridge-side cover member 90b is a substantially U-shaped member having two right-angled bent portions. Each side wall portion 95 is formed with a through hole 96 through which the drill screw 28 is inserted.
- the ridge-side cover member 90 b is fixed to the gantry frame 12 by screwing the drill screws 28 into the side surfaces on both sides in the width direction of the gantry frame 12 from the through holes 96. Thereby, the opening part of the guide rail part 13 formed in the longitudinal direction end surface of the gantry frame 12 is closed by the ridge side cover member 90b, and the ridge side fixing member 50b is prevented from being detached from the gantry frame 12.
- FIG. 11 is a perspective view of the intermediate fixing member 50c.
- the intermediate fixing member 50c includes a base portion 51c that is slidably engaged with the guide rail portion 13 of the gantry frame 12, and a standing wall portion 52c that is erected vertically to the base portion 51c. This point is the same as the eaves side fixing member 50a and the ridge side fixing member 50b described above.
- a V-shaped groove 57c for facilitating positioning of the tip of the drill screw 28 is preferably formed in the base portion 51c of the intermediate fixing member 50c.
- the groove 57c is formed along a direction perpendicular to the longitudinal direction of the gantry frame 12, that is, a direction perpendicular to the sliding movement direction of the intermediate fixing member 50c.
- a first protruding portion (eave-side protruding portion) 53c that is an eave-side insertion portion and a second protruding portion (ridge-side protruding portion) 53d that is a ridge-side insertion portion project from the standing wall portion 52c of the intermediate fixing member 50c.
- the first protruding portion 53c extends from the standing wall portion 52c on one side surface of the standing wall portion 52c facing the eave side (that is, the solar cell module 1a side). It is formed.
- the second protruding portion 53d is formed on the other side surface of the standing wall portion 52c facing the ridge side (that is, the solar cell module 1b side) so as to extend from the standing wall portion 52c.
- each protrusion 53c, 53d is formed in the same shape and dimensions. That is, each protrusion 53c, 53d has, for example, a rectangular cross-section (and side) shape, and is formed to have a protrusion length n from the standing wall 52c. These shapes and dimensions are the same as the protrusions 53a and 53b of the eaves-side fixing member 50a and the ridge-side fixing member 50b described above.
- FIG. 12 is a DD cross-sectional view in FIG.
- a portion of the standing wall portion 52c of the intermediate fixing member 50c extending above each of the protruding portions 53c and 53d formed at the same height with respect to the base portion 51c is a flat plate-shaped upper side wall portion. 56.
- the upper side wall portion 56 becomes a portion that is sandwiched between the module frames 2 of the solar cell modules 1a and 1b.
- the position of the upper end surface of the upper side wall portion 56 is set to be substantially flush with the upper surface of the adjacent module frame 2 when sandwiched between the two solar cell modules 1a and 1b.
- FIG. 13 shows a work procedure from the state in which the gantry frame 12 is already fixed to the roof 100 by the fixture 20.
- the left side is the eaves side and the right side is the ridge side, and the gantry frame 12 and the solar cell modules 1a and 1b are shown in a horizontal posture in order to make the drawing easier to read.
- the eaves side fixing member 50 a is fixed to the eaves side end portion of the gantry frame 12. Specifically, the eaves side fixing member 50 a is fixed to the gantry frame 12 with the drill screw 28. In this state, the solar cell module 1 a installed on the eaves side is placed on the gantry frame 12, and the protruding portion 53 of the eaves side fixing member 50 a is inserted into the outer groove portion 5 of the module frame 2. Thereby, positioning of the solar cell module 1a is performed.
- the intermediate fixing member 50 c inserted into the guide rail portion 13 is slid from the ridge side end of the gantry frame 12. And it arrange
- the intermediate fixing member 50 c is fixed to the gantry frame 12 with the drill screw 28.
- the eaves side cover member 90 a may also be fixed to the gantry frame 12 with the drill screw 28.
- the solar cell module 1a is fixed on the mount frame 12 by the fixing members 50a and 50c.
- the solar cell module 1b installed on the ridge side is placed on the gantry frame 12, and the intermediate fixing member 50c is placed in the outer groove portion 5 of the eaves-side module frame 2.
- the second protrusion 53d is inserted.
- the solar cell module 1b on the ridge side is positioned with respect to the gantry frame 12.
- the intermediate fixing member 50c is sandwiched between the module frames 2 of the two solar cell modules 1a and 1b with almost no gap.
- the ridge-side fixing member 50b is inserted into the ridge-side end of the gantry frame 12, and the protruding portion 53b is inserted into the outer groove 5 of the module frame 2 of the solar cell module 1b. Assemble to the state. And in this state, it fixes to the mount frame 12 with the drill screw 28. FIG. Thereby, the solar cell module 1 b is fixed to the gantry frame 12.
- the ridge-side cover member 90b is fixed to the gantry frame 12 with the drill screw 28. Thereby, the installation work of the solar cell modules 1a and 1b is completed.
- FIG. 14 is a diagram illustrating a state in which the gantry frame 12 is temporarily fixed to the fixture 20.
- the gantry frame 12 is inserted and arranged from above between the support portions 22 a and 22 b of the fixture 20 fixed on the roof 100.
- the two bolts 26 are screwed into the female screw holes 24 formed in the support portions 22 a and 22 b, and the tip ends of the bolts 26 are pressed against the side walls of the gantry frame 12.
- the gantry frame 12 is temporarily fixed to the fixture 20.
- the lower surface of the gantry frame 12 is shown so as to contact the base plate 21 of the fixture 20, but the height of the gantry frame 12 to cope with the unevenness of the surface of the roof 100. Adjustment may be necessary.
- the gantry frame 12 is temporarily fastened at a position where a desired gap h (see FIGS. 3A and 3B) is formed between the lower surface of the gantry frame 12 and the base plate 21 of the fixture 20, and in that state, the drill screw 28 can be used to fix the gantry frame 12.
- FIG. 15A and FIG. 15B are views showing a cross section of the gantry frame 12 in which a recess for adjusting the height is formed on the side surface.
- a recess 17a that is long in the vertical direction may be formed on both side surfaces of the gantry frame 12 in the width direction, and the tip of the bolt 26 may be engaged with the recess 17a.
- FIG. 14 FIG. 15A, and FIG. 15B
- the frame 12 is inserted between the support portions 22a and 22b of the fixture 20, and the tips of the two bolts 26 are mounted from the outside of the two support portions 22a and 22b.
- the case where the frame 12 is temporarily fixed by pressing against the side surfaces on both sides in the width direction has been described.
- the female screw hole 24 and the through hole 25 are formed in one support portion 22a (or 22b), but the through hole 25 is formed in the other support portion 22b (or 22a).
- the female screw hole 24 may not be formed.
- a bolt 26 is screwed into the female screw hole 24 of one support portion 22 a and the tip of the bolt 26 is pressed against the side surface on one side in the width direction of the gantry frame 12.
- the side surface on the other side in the width direction of the gantry frame 12 is pressed against the inner surface of the other support portion 22b.
- the gantry frame 12 is sandwiched and temporarily fixed by the tip of the bolt 26 screwed into one support portion 22a and the other support portion 22b.
- only one bolt 26 screwed into one support portion 22a is used as the bolt 26, and the gantry frame 12 is temporarily fixed to the fixture 20, and the bolt 26 is loosened from this state to lay the gantry in the height direction.
- the height adjustment for moving the frame 12 becomes possible.
- FIG. 12 is a sectional view taken along the line DD in FIG. 1, and FIG. 16 is a view showing a fixing member in the fixing structure of the comparative example.
- the lower part of the module frame 2 of the two solar cell modules 1a and 1b has a substantially L-shaped flange portion protruding outward (that is, opposite to the solar cell panel SP). 6 is formed. And the holding metal fitting 39 which presses down this collar part 6 from upper direction is fastened by the volt
- the intermediate fixing member 50c is fixed in a state of being sandwiched between the two solar cell modules 1a and 1b with almost no gap.
- the solar cell device including the gantry frame 12, the intermediate fixing member 50c, and the solar cell modules 1a and 1b can be regarded as an integral rigid object. Therefore, since the rigidity of the entire solar cell device can be increased, the gantry frame 12 can be thinned to suppress the rigidity. As a result, the material cost and weight of the gantry frame 12 can be reduced.
- the length of the gantry frame 12 can be shortened as compared with the comparative example using the presser fitting 39, as is apparent from comparison between FIG. 12 and FIG. Therefore, it is possible to reduce the material cost and weight of the gantry frame 12 as well, and to improve the loadability when transporting.
- the bolt 30 and the nut 33 for fixing the presser fitting 39 used in the comparative example can be made unnecessary, and the special frame used for temporarily fixing the gantry frame 12 to the fixture 20a.
- the nut 35 (see FIG. 17) can also be eliminated. Therefore, the component cost can be reduced, and the solar cell modules 1a and 1b can be installed without using these bolts and nuts, so that the workability is improved.
- Wind may enter between the roof 100 and the solar cell module 1.
- the solar cell module 1 is applied with a force to leave the roof 100.
- the protrusions 53 provided on the eaves side fixing member 50a, the ridge side fixing member 50b, and the intermediate fixing member 50c are inserted into the outer groove portion 5 of the solar cell module 1.
- the base portion 51 provided on the eaves side fixing member 50a, the ridge side fixing member 50b, and the intermediate fixing member 50c is inserted into the guide rail portion 13 of the gantry frame 12 and engaged therewith. Accordingly, the solar cell module 1 is firmly fixed to the roof 100 even when wind enters between the roof 100 and the solar cell module 1 due to the structure of the solar cell module 1, the fixing member 50, and the mount frame 12. can do.
- FIG. 17 is an exploded perspective view showing an example of the gantry frame 12a and the fixture 20a of the comparative example.
- a guide rail portion 13a through which the head 31 of the bolt 30 is slidably moved is formed along the longitudinal direction of the gantry frame 12a.
- the shaft portion 32 of the bolt 30 protrudes upward from the guide rail portion 13a.
- a presser fitting 39 (see FIG. 16) having a substantially U shape is fixed to the shaft portion 32 by a nut 33.
- the solar cell module is configured to be fixed to the gantry frame by pressing the flange that protrudes from the lower edge of the module frame of the solar cell module against the gantry frame 12a by the pressing metal 39. (See FIG. 16).
- the gantry frame 12a also has guide rail portions 13b and 13c on the side walls on both sides in the width direction.
- nuts 35 to which operation pins 34 bent in an L shape are connected are inserted and arranged so as to be slidable.
- the nut 35 is to be screwed with a bolt 26 for temporarily fixing the gantry frame 12a to the fixture 20a.
- the tip of the operation pin 34 of the nut 35 protrudes from the side surface of the gantry frame 12a.
- the operator is configured to move the nut 35 to a predetermined fixed position along the longitudinal direction of the gantry frame 12a while the operator holds the protruding operation pin 34 with fingers or the like.
- the bolt 26 is used for temporary fixing of the gantry frame 12a to the fixture 20a, and the drill screw 28 is used for final fixing, as in the present embodiment.
- the mounting tool 20a includes a base plate 21a made of a substantially square metal plate and a support member 27 fixed to the base plate 21a by means such as welding or screwing.
- the support member 27 is formed by bending a metal plate into a substantially U shape and has a pair of support portions 22c and 22d.
- Each support portion 22c, 22d is formed with one long hole 24a extending in the vertical direction and two through holes 25 for the drill screws 28 formed side by side in the vertical direction.
- a cover member 36 that is bent in an L shape is attached to the end of the gantry frame 12 a by a drill screw 37. After the insertion of the bolt 30 into the guide rail portion 13a and the insertion of the nut 35 into the guide rail portions 13b and 13c are completed, the cover member 36 opens the frame end portions of the guide rail portions 13a, 13b and 13c. It is provided to close the part.
- the fixture 20a is configured by connecting two members, whereas the fixture 20 of the present embodiment is one piece as described above with reference to FIG. It is integrally formed from a metal plate. Therefore, the fixture 20 of the present embodiment can be easily manufactured and can be reduced in cost and weight.
- a guide rail portion 13 a is formed in the upper part of the gantry frame 12 a, and a holding metal fitting 39 is attached to a bolt 30 that is slidably inserted therein and tightened with a nut 33.
- the bolts are not used for fixing the solar cell modules 1a and 1b to the gantry frame 12. Therefore, the bolt 30 and the nut 33 and the washer (not shown) as in the comparative example can be omitted, and the cost can be reduced and the workability can be improved.
- FIG. 18 is a diagram corresponding to the lower part of FIG. 12 illustrating another example of the embodiment according to the present disclosure.
- FIG. 19 is a perspective view showing the gantry frame 12 and the first fixing fitting 112 constituting the intermediate fixing member 110 separately.
- FIG. 20 is a diagram showing a construction procedure when the solar cell modules 1a and 1b are installed on the gantry frame 12 in the configuration of FIG.
- the intermediate fixing member 110 is configured by the first fixing bracket 112 and the second fixing bracket 114 which are two fixing brackets in the configuration of FIGS.
- the first fixing bracket 112 has an upper end plate portion 120 that is inserted into the outer groove portion 5 of the ridge-side module frame 2 constituting the eaves-side solar cell module 1a.
- the first fixing bracket 112 includes a base portion 116 that is slidably engaged with the guide rail portion 13 of the gantry frame 12 and a ridge side end portion of the base portion 116 substantially perpendicularly. And an upright wall portion 118 that is erected.
- the width w2 of the standing wall portion 118 is smaller than the width of the base portion 116 so as to be smaller than the width w3 of the upper opening portion of the guide rail portion 13. Thereby, the standing wall portion 118 is configured not to interfere with the overhang portions 14 a and 14 b of the guide rail portion 13.
- An upper end plate portion 120 that is bent at a substantially right angle with respect to the standing wall portion 118 and extends toward the eaves side is formed at the upper end portion of the standing wall portion 118.
- the upper end plate portion 120 corresponds to an eaves side insertion portion.
- the width of the upper end plate portion 120 is the same as the width w ⁇ b> 2 of the standing wall portion 118.
- the length X of the upper plate 120 is smaller than the length X of the base 116.
- a base-side through hole 116 a is formed in the middle portion of the base portion 116 of the first fixing bracket 112. As will be described later, a bolt 130a is inserted into the base side through hole 116a as a positioning pin equivalent member. Further, upper projecting portions 116 b projecting upward are formed at both ends in the width direction of the base portion 116. The upper protruding portion 116b is formed by caulking both ends in the width direction of the base portion 116 upward. The upper projecting portion 116 b comes into contact with the lower surfaces of the pair of overhang portions 14 a and 14 b of the guide rail portion 13 and securely fixes the base portion 116 to the guide rail portion 13.
- the upper protruding portion 116b brings the first fixing bracket 112 and the guide rail portion 13 into contact with each other so that a ground path from the metal module frame 2 of the eaves-side solar cell module 1a to the metal mount frame 12 is provided. Constituting an electrical contact portion for forming.
- lower protrusions 120a that protrude downward are formed by caulking downward.
- the lower protruding portion 120 a comes into contact with the lower surface of the outer groove portion 5, whereby the upper surface of the outer groove portion 5 and the upper surface of the upper end plate portion 120 come into contact with each other, and the upper end plate portion 120 is securely fixed to the outer groove portion 5.
- the lower protruding portion 120a constitutes an electrical contact portion for bringing the first fixing fitting 112 and the metal module frame 2 into contact with each other to form the above-described ground path.
- each component of the second fixing bracket 114 is the same as the component of the first fixing bracket 112.
- the parts are given the same reference numerals.
- the building direction X length of the base portion 116 of the second fixing bracket 114 is made smaller than the building direction X length of the base portion 116 of the first fixing bracket 112.
- the length X in the building direction of the base portion 116 of each of the fixing brackets 112 and 114 may be the same.
- an upper end plate portion 120 that is bent substantially at right angles to the standing wall portion 118 and extends toward the ridge side is formed.
- the upper end plate portion 120 of the second fixing bracket 114 corresponds to a ridge side insertion portion.
- bolt-insertion frame-side through holes 18 are formed at two predetermined positions on the rail bottom surface 15 of the guide rail portion 13.
- Each frame side through hole 18 is, for example, a circular hole.
- Each frame-side through hole 18 is formed in advance in a factory or the like before placing the gantry frame 12 on the roof.
- Each frame-side through-hole 18 is used to position the fixing brackets 112 and 114 into which the bolts 130a and 130b are inserted and similarly the bolts 130a and 130b are inserted.
- the upper end plate portion 120 of the first fixing bracket 112 is inserted into the outer groove portion 5 in the ridge-side module frame 2 of the eaves-side solar cell module 1a.
- the upper end plate part 120 of the 2nd fixing metal fitting 114 is inserted in the outer side groove part 5 in the eaves side module frame 2 of the ridge side solar cell module 1b.
- the intermediate fixing member 110 is formed by arranging the first fixing bracket 112 and the second fixing bracket 114 side by side between the two solar cell modules 1a and 1b on the eaves side and the ridge side.
- each bolt 130a, 130b has a function of a positioning pin.
- a configuration in which the hole 116a of the first fixing bracket 112 is provided is employed to improve the positioning accuracy of the solar cell module arrangement.
- FIG. 20 an operation procedure when the solar cell modules 1 a and 1 b are fixed to the gantry frame 12 using the first fixing bracket 112 and the second fixing bracket 114 will be described.
- this work procedure the work of fixing the eaves-side end of the eave-side solar cell module 1a to the gantry frame 12 and the work of fixing the ridge-side end of the ridge-side solar cell module 1b to the gantry frame 12, respectively, This is the same as FIGS. 13A and 13D.
- FIG. 20 similarly to FIG. 13, the gantry frame 12 and the solar cell modules 1a and 1b are shown in a horizontal posture with the left side being the eaves side and the right side being the ridge side.
- the eaves side fixing member 50a (FIG. 13) is fixed to the eaves side end of the gantry frame 12, and the eaves side fixing member 50a is inserted into the outer groove portion 5 of the module frame 2 of the solar cell module 1a installed on the eaves side.
- the first fixing bracket 112 inserted into the guide rail portion 13 is slid to the eave side from the ridge side of the gantry frame 12.
- the upper end plate portion 120 of the first fixing bracket 112 is inserted into the outer groove portion 5 formed in the module frame 2 of the solar cell module 1a on the ridge side.
- the bolt 130a is inserted into the base side through hole 116a and the frame side through hole 18 of the first fixing bracket 112 from the upper side to position the first fixing bracket 112.
- the base-side penetration of the second fixing bracket 114 is performed with the standing wall portion 118 of the second fixing bracket 114 aligned with the back surface on the standing wall portion 118 of the first fixing bracket 112.
- Bolts 130b are inserted into the holes 116a and the frame side through holes 18 from above.
- the second fixing fitting 114 is positioned. Therefore, the intermediate fixing member 110 is formed by arranging the standing wall portions 118 of the first fixing metal 112 and the second fixing metal 114 side by side. Then, as shown in FIG.
- the solar cell module 1 b installed on the ridge side is placed on the gantry frame 12, and the second fixture 114 is placed in the outer groove portion 5 of the eaves-side module frame 2.
- the upper end plate part 120 is inserted.
- the solar cell module 1b on the ridge side is positioned with respect to the gantry frame 12.
- the intermediate fixing member 110 may be sandwiched between the module frames 2 of the two solar cell modules 1a and 1b with almost no gap, You may fix two solar cell modules 1a and 1b in the state which the 1st fixing metal fitting 112 and the 2nd fixing metal fitting 114 which form the intermediate fixing member 110 left
- the intermediate fixing member 110 may be formed of two components. Other configurations and operations are the same as those in FIGS. 1 to 14.
- FIG. 21 is a diagram corresponding to the lower part of FIG. 12 illustrating another example of the embodiment according to the present disclosure.
- FIG. 22 is a perspective view showing separately the gantry frame 12, the first fixing bracket 140, and the two fixing brackets 151 and 161 constituting the intermediate fixing member 150 in the configuration of FIG. 21.
- the ridge direction X of the solar cell panel SP is provided at the lower end portion of the module frame 2 on the eaves side and the ridge side constituting each solar cell module 1a, 1b.
- An inner collar portion 8 that protrudes toward the inner side is formed.
- an intermediate fixing member 150 is formed by a second fixing metal 151 and a third fixing metal 161 which will be described later, and the intermediate fixing member 150 is a module frame 2 of the two solar cell modules 1a and 1b on the eaves side and the ridge side. Sandwiched.
- the first fixing bracket 140 and the second fixing bracket 151 are used.
- the first fixing bracket 140 includes a base portion 141 that is slidably engaged with the guide rail portion 13 of the gantry frame 12, and a standing wall portion 142 that is erected substantially vertically from the base portion 141. And have.
- the left side is the eaves side and the right side is the building side.
- the base portion 141 includes a pair of leg portions 141a along the building eaves direction X and a connecting portion 141b that connects the ridge side end portions of the respective leg portions 141a, and is formed in a substantially U shape in plan view.
- the connecting portion 141b extends in a direction orthogonal to the length direction of each leg portion 141a.
- a semicircular portion 141c that protrudes toward the ridge is formed at the center of the connecting portion 141b.
- a base-side through hole 141d for inserting the bolt 130a is formed in the semicircular portion 141c.
- the standing wall portion 142 is erected from the eaves side end portion of the connecting portion 141b constituting the base portion 141.
- the standing wall portion 142 is substantially U-shaped when viewed in the ridge direction X, and is formed at an intermediate portion of the upper end portion in the width direction so as to be bent at a substantially right angle with respect to the standing wall portion 142 so as to extend toward the ridge side. It has a stop 142a.
- the width w ⁇ b> 4 of the standing wall 142 is smaller than the width w ⁇ b> 3 of the upper opening of the guide rail portion 13. Thereby, the standing wall part 142 is configured not to interfere with the overhanging parts 14 a and 14 b of the guide rail part 13.
- the second fixing metal 151 includes a base portion 152 that is slidably engaged with the guide rail portion 13 of the gantry frame 12, and a standing wall portion 153 that is erected substantially vertically from the base portion 152. And have.
- the base portion 152 has a pair of leg portions 152a along the building eaves direction X and a connecting portion 152b for connecting the eaves side end portions of the leg portions 152a, and is formed in a substantially U shape in plan view.
- the connecting portion 152b extends in a direction orthogonal to the length direction of each leg portion 152a.
- a concave portion 152c (FIG.
- the standing wall portion 153 is erected from the ridge side end portion of the connecting portion 152b constituting the base portion 152.
- the standing wall portion 153 has a rectangular shape when viewed in the building direction X, and has an upper end plate portion 154 that is an eaves side insertion portion that is bent at a substantially right angle with respect to the standing wall portion 153 at the upper end portion and extends toward the eave side.
- the width w5 of the standing wall portion 153 is smaller than the width w3 of the upper opening portion of the guide rail portion 13. Accordingly, the standing wall portion 153 is configured not to interfere with the overhang portions 14 a and 14 b of the guide rail portion 13.
- lower protrusions 155 similar to the lower protrusions 120a of the first fixing bracket 112 described in the configuration of FIG. 19 are formed.
- the third fixing bracket 161 includes a base portion 162 and two standing wall portions 163 and 164 that are erected from both ends of the base portion 162 in the building direction X.
- an upper end plate portion 165 that is a ridge-side insertion portion extending to the ridge side is formed.
- the base portion 162 is formed with a base side through hole 162a for inserting the bolt 130b.
- protrusion part which protrudes in the up-down direction by formation of a caulking part is not formed in the base part 162 and the upper end board part 165 of the 3rd fixing bracket 161, a protrusion part may be formed.
- frame-side through holes 18 are formed at two positions in the middle part of the frame frame 12 in the building direction X, similarly to the configuration of FIG.
- the first fixing fitting 140 is positioned by a bolt 130 a inserted into the eaves side through hole 18 out of the two frame side through holes 18.
- the eaves side end of the second fixing bracket 151 is abutted against the ridge side of the first fixing bracket 140.
- the third fixing fitting 161 is positioned by the bolt 130b inserted into the ridge-side through hole 18 out of the two frame-side through holes 18.
- FIG. 25 the work procedure at the time of fixing solar cell module 1a, 1b to the mount frame 12 using each fixing metal fitting 140,151,161 is demonstrated.
- this work procedure the work of fixing the eaves-side end of the eave-side solar cell module 1a to the gantry frame 12 and the work of fixing the ridge-side end of the ridge-side solar cell module 1b to the gantry frame 12, respectively, This is the same as FIGS. 13A and 13D.
- the left side is the eaves side and the right side is the ridge side as in FIG.
- the first fixing bracket 140 is slid in advance on the guide rail portion 13 and arranged in the middle portion in the length direction. Then, the bolt 130 a inserted into the base side through hole 141 d of the first fixing bracket 140 is inserted into the frame side through hole 18 of the gantry frame 12 and positioned. Note that the second fixing bracket 151 and the third fixing bracket 161 are also slid in advance on the guide rail portion 13 of the gantry frame 12 and arranged at the intermediate portion. In this state, the third fixture 161 has not yet been positioned by the bolt 130b.
- the solar cell module 1a installed on the eaves side is placed on the gantry frame 12, and the eaves side fixing member is placed in the outer groove portion 5 of the eaves side module frame 2. 50a is inserted and positioned.
- the eaves-side solar cell module is moved below the inner locking portion 142a of the first fixing bracket 140 by moving the eave-side solar cell module 1a in the direction indicated by the arrow ⁇ in FIG.
- An inner flange 8 formed on the module frame 2 on the ridge side of 1a is arranged.
- the second fixing bracket 151 is slid to the eaves side with respect to the guide rail portion 13 of the gantry frame 12.
- the upper end board part 154 of the 2nd fixing metal fitting 151 is inserted in the outer side groove part 5 of the solar cell module 1a of an eaves side.
- the eaves side edge of the base part 152 of the second fixing metal 151 is brought into contact with the ridge side edge of the base part 141 of the first fixing metal 140.
- the module frame 2 on the ridge side of the eaves-side solar cell module 1a is prevented from being pulled upward by the inner locking portion 142a of the first fixing bracket 140 and the upper end plate portion 154 of the second fixing bracket 151. It is done.
- the solar cell module 1b is arranged by inserting the upper end plate portion 165 of the third fixing metal fitting 161 into the outer groove portion 2 of the second. At this time, the solar cell module 1b is inclined downward from the ridge side toward the eave side with respect to the gantry frame 12 so as to avoid interference with the standing wall portion 163 of the third fixing bracket 161, and the outer groove portion on the eave side 5, the upper end plate portion 165 of the third fixing bracket 161 is inserted. Thereby, the solar cell module 1b on the ridge side is positioned with respect to the gantry frame 12. Then, referring to FIG.
- the protrusion 53b of the ridge-side fixing member 50b is inserted into the outer groove 5 of the module frame 2 of the solar cell module 1b.
- the intermediate fixing member 150 may be sandwiched between the module frames 2 of the two solar cell modules 1a and 1b with almost no gap.
- the two solar cell modules 1a and 1b may be fixed in a state where the three fixing brackets 161 are separated from each other.
- Other configurations and operations are the same as those in FIGS. 18 to 20. 18 to 25, the fixing brackets 112, 114, 140, 151, and 161 are positioned on the gantry frame 12 by bolts.
- the bolt is used as a pin equivalent member, a rod-shaped pin or a pin with a head may be used instead of the bolt.
- a third fixing bracket 161 (FIG. 21) is positioned at the eaves-side end portion of the gantry frame 12 with a positioning pin such as a bolt instead of the eaves-side fixing member 50a (FIG. 13). 22) may be arranged.
- the upper end plate portion 165 of the third fixing bracket 161 may be inserted and positioned in the outer groove portion 5.
- the fixing structure of the solar cell module according to the present disclosure is not limited to the above-described embodiment and the modifications thereof, and various modifications can be made within the matters described in the claims of the present application and the equivalent scope thereof. And improvements are possible.
- the upper wall portion 56 of the standing wall portion 52c of the intermediate fixing member 50c is sandwiched between the module frames 2 of the solar cell modules 1a and 1b. It is not limited.
- the upper side wall part 56 may be eliminated, and the module frames 2 of the solar cell modules 1a and 1b may be installed in contact with each other over the entire length of the long side surface.
- the intermediate fixing member 50 c has a substantially “H” -shaped end face shape when viewed from a direction orthogonal to the sliding direction on the gantry frame 12.
- the depth d of the outer groove portion 5 of the module frame 2 may be increased, or the protruding lengths n of the protruding portions 53c and 53d of the intermediate fixing member 50c may be shortened.
- the length of the lower portion of the outer groove portion 5 in the module frame 2 is shortened so that the lower portions do not interfere with each other between the adjacent module frames 2. That's fine.
- the overall rigidity of the solar cell device including the two solar cell modules 1a and 1b and the gantry frame 12 can be further increased, and the length of the gantry frame 12 can be shortened slightly. Can contribute.
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Abstract
Description
Claims (9)
- 太陽電池パネルと、前記太陽電池パネルの周縁に設けられるモジュールフレームと、を有する太陽電池モジュールと、
屋根上において棟軒方向に沿って固定され、上部にガイドレール部を有する長尺状の架台フレームと、
前記ガイドレール部に沿って前記架台フレームの長手方向にスライド移動して設けられ、前記架台フレームの所定位置に固定される固定部材と、を備える太陽電池装置であって、
前記モジュールフレームは、前記太陽電池パネルの周縁部を収納する内側溝部と、前記太陽電池パネルと反対側に設けられる外側溝部とを備え、
前記固定部材は、前記ガイドレール部に係合するベース部と、該ベース部に立設された立壁部と、屋根の軒側に設置される前記太陽電池モジュールの前記外側溝部に挿入されるように前記立壁部から延びる軒側挿入部と、屋根の棟側に設置される前記太陽電池モジュールの前記外側溝部に挿入されるように前記立壁部から延びる棟側挿入部と、を有する、
太陽電池装置。 - 請求項1に記載の太陽電池装置において、
前記軒側挿入部は、屋根の軒側に設置される前記太陽電池モジュールの前記外側溝部に挿入されるように前記立壁部に突設された軒側突出部であり、
前記棟側挿入部は、屋根の棟側に設置される前記太陽電池モジュールの前記外側溝部に挿入されるように前記立壁部に突設された棟側突出部である、
太陽電池装置。 - 請求項2に記載の太陽電池装置において、
前記固定部材の立壁部は、前記軒側突出部および前記棟側突出部の上方に延伸して前記2つの太陽電池モジュールの棟側の前記モジュールフレームおよび軒側の前記モジュールフレーム間に挟持される上側壁部を有する、太陽電池装置。 - 請求項3に記載の太陽電池装置において、
前記固定部材の立壁部の上端面は、その両側に位置する前記棟側フレームおよび前記軒側フレームと略面一となるように形成されている、太陽電池装置。 - 請求項1~4のいずれか一項に記載の太陽電池装置において、
前記固定部材は、前記ベース部および前記架台フレームを貫通するネジによって前記架台フレームに固定され、前記ベース部には前記ネジの貫通される位置を示す溝部が前記架台フレームの長手方向に垂直な方向に沿って形成されている、太陽電池装置。 - 請求項1~5のいずれか一項に記載の太陽電池装置において、
前記架台フレームを屋根に固定する取付け具を更に備え、前記取付け具は、屋根に固定される固定部と、該固定部に立設されて前記架台フレームの幅に略相当する間隔を開けて対向する一対の支持部とを有し、前記支持部の少なくとも一方には雌ねじ孔が形成されており、前記支持部間に所望の高さに調整されて配置された前記架台フレームに前記雌ねじ孔に螺合するボルトの先端が当接することにより前記架台フレームが仮固定される、太陽電池装置。 - 請求項6に記載の太陽電池装置において、
前記雌ねじ孔は、金属板からなる前記支持部にバーリング加工を施してその内周面にねじ切りして形成される、太陽電池装置。 - 請求項6または請求項7に記載の太陽電池装置において、
前記取付け具の支持部は、1枚の金属板に形成された切込部により区画された部分を折り曲げることによって前記固定部と一体に形成される、太陽電池装置。 - 請求項6~8のいずれか一項に記載の太陽電池装置において、
前記取付け具の支持部には貫通孔が形成され、該貫通孔からネジが前記架台フレームの側壁を貫通してねじ込まれることにより前記架台フレームが前記取付け具に固定される、太陽電池装置。
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