JP5917210B2 - Solar cell module fixing method and maintenance method - Google Patents

Solar cell module fixing method and maintenance method Download PDF

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Publication number
JP5917210B2
JP5917210B2 JP2012058939A JP2012058939A JP5917210B2 JP 5917210 B2 JP5917210 B2 JP 5917210B2 JP 2012058939 A JP2012058939 A JP 2012058939A JP 2012058939 A JP2012058939 A JP 2012058939A JP 5917210 B2 JP5917210 B2 JP 5917210B2
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fixing
frame
solar cell
fitting
cell module
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JP2013191816A (en
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哲也 菅野
哲也 菅野
豊 平林
豊 平林
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本田技研工業株式会社
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    • Y02B10/12
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Description

  The present invention relates to a fixing member for fixing a solar cell module having a solar cell panel held by a frame to a support member such as a roofing material, a fixing structure and a fixing method using the member, and in particular, a solar cell module. The present invention relates to a technique for improving the efficiency of attachment and removal.

  In recent years, the role of natural energy has been attracting attention from the viewpoint of environmental pollution prevention and resource saving, and in particular, solar cell modules that can be used by converting sunlight into electrical energy, combined with its low cost, Demand is increasing.

  Solar cell modules for consumer use are often used by being installed on the roof of a house in the home, but many types of fixing members for installing the solar cell module on the roof material are known. .

  For example, Patent Documents 1 and 2 include a fixing member having a substantially T-shaped portion whose upper side (top) functions as a fitting convex portion, and one end of the fitting convex portion of the T-shaped portion is provided on one side. The solar cell modules on both sides are fixed by inserting into the concave fitting portion provided in the solar cell frame and inserting the other end of the fitting convex portion into the concave fitting portion of the other solar cell frame. A solar cell module fixing structure / method for fixing the bottom of the fixing member to the roof material is also described.

  According to this structure, the fixing member supports the solar cell module by inserting the convex portions at both ends of the upper side of the T-shaped portion into the concave portions of the adjacent solar cell modules. Since the solar cell modules can be more densely installed, the overall installation area can be reduced, and a decrease in aesthetics due to an increase in the space between the solar cell modules can be prevented.

JP 2007-165499 A JP 2010-261180 A

  However, since the T-shaped part is formed integrally with the fixing member, the fixing member must be slid from the end of the module and fitted into the frame, or when the module is removed from the roofing material during repair or maintenance, The fixing member must also be removed from the roofing material, and the removal procedure is complicated, and the fixing member mounting screw is repeatedly tightened or loosened against the roofing material, which may cause damage to the roofing material. Is done.

  The present invention has been made in view of the above situation, and a fixing member for a roofing material (supporting member) can be easily attached to the frame of the solar cell module. It aims at providing the fixing member of the solar cell module which can remove a module, without removing a fixing member from material, the fixing structure and fixing method using this member.

The present invention is a solar cell module fixing method for fixing a solar cell module that supports the outer peripheral edge of a solar cell panel with a frame to a predetermined support member (roof material or the like) using a fixing member, A pedestal portion, and a presser portion that is detachable from the pedestal portion and includes a shaft portion that extends substantially vertically from the pedestal portion and a fitting portion that extends substantially horizontally at the upper end portion of the shaft portion. The solar cell module has a panel insertion portion into which the battery panel is inserted and supported, and a fitting recess on the opposite side of the side into which the solar cell panel is inserted. The step of fixing the fixing member to the eave side frame by fitting the fitting portion of the holding portion of the fixing member into the fitting concave portion of the frame, and fastening the screw of the holding portion to fix the holding portion and the pedestal portion; The one solar cell module is fixed On the opposite side, the step of fitting the fitting portion on the opposite side of the fixing member into the fitting concave portion of the ridge side frame of another solar cell module, and on the pedestal portions on both sides across the shaft side of the fixing member A fixing method of a solar cell module in which an eaves side frame and a ridge side frame are placed, and a fitting portion of a fixing member presses a fitting concave portion of the frame to fix the frame, and the ridge side frame is placed The pedestal portion on the side is provided with a frame engaging portion, and when the ridge side frame is placed on the pedestal portion, the ridge side frame and the frame engaging portion are pressed and engaged with each other and interfere with each other. fitting the fitting portion by emitting roar is characterized that you determined that step has been completed.

In the fixing method of the present invention, the fitting concave portion of the frame is preferably disposed immediately below the panel insertion portion.

Furthermore, in the solar cell module maintenance method of the present invention, the other solar cell module is shifted to the ridge side in a state of being substantially parallel to the roofing material, and the engagement between the ridge side frame and the frame engaging portion is released. The solar cell module is removed, and while the base portion of the fixing member is fixed to the support member, the one solar cell module is removed by removing the presser portion from the base portion.

  According to the present invention, the fixing member is composed of a pedestal part attached to the roofing material and a presser part attached to the frame, and the presser part is detachable from the pedestal part. There is no need to slide and attach to the frame. The presser portion may be attached to a predetermined portion of the frame, and then the presser portion and the pedestal portion may be joined.

  According to the present invention, the fitting portion between the frame and the pressing portion is located at a high position directly below the panel, and can be easily seen from the outside on the upper side of the module at the time of installation, so that positioning and installation can be performed smoothly. Further, when the module is fitted to the fixing member, a sound is generated between the module and the fixing member, so that it can be known that the fitting has been correctly performed.

  Also, when it is necessary to remove the module from the roof for repair and maintenance, it was necessary to remove the fixing member from the roof material in the past, but leave the pedestal part attached to the roof material and leave only the presser part from the pedestal part. By removing, the module can be removed from the roof.

It is a schematic cross section which shows the fixing structure of the solar cell module of this invention. It is a schematic diagram which shows the state which installed the solar cell module in the roof etc. using the fixing member. It is a schematic diagram which shows the installation process of the solar cell module using the conventional fixing member. It is a schematic diagram which shows the installation process of the solar cell module using the fixing member of this invention. It is a schematic diagram which shows the fixing structure of the solar cell module of this invention at the time of positive pressure. It is a schematic diagram which shows the fixing structure of the solar cell module of this invention at the time of a negative pressure. It is a schematic diagram which shows the fixing structure of the solar cell module using the conventional fixing member. It is a schematic diagram which shows the fixing structure of the solar cell module using the fixing member provided with the cable storage part of this invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the drawings.
Configuration of Solar Cell Module Fixing Member FIG. 2 is a schematic diagram showing a state where the solar cell module is installed on a roof or the like using the fixing member. In the roof material 40, the solar cell module 30a on the most eaves side (diagonally lower side) to the module 30d on the most ridge side (diagonally upper side) are fixed side by side by being fixed by the fixing members 1a to 1e. Yes.

  The ridge-side frame of the module 30a (hereinafter, the ridge-side frame means a fixing member that supports the frame, in this case means that it is closer to the ridge side than the fixing member 1a), and the fixing member 1a is fitted to the frame. And being fixed to the roof 40 by being fixed. Further, the eaves side frame of the module 30a (hereinafter, the eave side frame means a fixing member that supports the frame, in this case, the eave side of the fixing member 1b) and the ridge side frame of the module 30b are The fixing member 1b is fixed to the roof 40 by being fitted and fixed to both frames.

  As described above, in the modules 30a to 30c, the ridge-side frame and the eaves-side frame of the adjacent modules are fixed to the roof material 40 by the fixing members 1b to 1d. Finally, the eaves side frame of the module 30d is fixed to the roof material 40 by the fixing member 1e.

  FIG. 1 shows a fixing structure using the fixing member 1 of the solar cell module of the present invention. In FIG. 2, the portion where the fixing member 1b is fixed is enlarged between the module 30a and the module 30b. . Since the fixing structure and the fixing method are the same in other portions of the fixing members 1a to 1e, the fixing member 1b in FIG. 1 will be described as a representative.

  The fixing member 1b includes a pedestal portion 10 that is placed and fixed on a support member 40 such as a roof, and a presser portion 20 that is detachable from the pedestal portion 10. The eaves side frame 31a of the solar cell module 30a is placed on the upper left side of the pedestal 10 in the drawing, and the eaves side frame 31b of the solar cell module 30b is placed on the upper right side of the drawing. is there.

  The pedestal portion 10 includes a roof fixing screw hole 11 through which a roof fixing screw 51 for fixing the fixing member 1 b to the roof material 40 is passed, and a presser portion fixing screw 50 together with the presser portion 20 so as to pass the presser portion 20. Presser portion fixing screw hole 12 for fixing, presser portion fitting recessed portion 13 for fitting and fixing the base portion fitting portion 24 of the presser portion 20, and a base portion engaging portion 36b of the ridge side frame 31b. A frame engaging portion 14 that engages with the solar cell module, and a cable storage space 60 for the solar cell module.

  The presser part 20 has a base part fixing screw hole 25 for passing the presser part fixing screw 50 and fixing it to the base part 10, and a base for fitting and fixing to the presser part fitting recess 13 of the base part 10. Part fitting part 24, shaft part extending substantially vertically upward, upper side of a substantially T-shaped part extending from the upper end of the shaft part to the ridge side and the eaves side, and one end of the T-shaped upper side on the eave side A frame fitting portion 22 to be inserted into the holding portion fitting recess 35a of the frame 31a, and a frame fitting portion 23 to be inserted into the holding portion fitting recess 34b of the ridge side frame 31b at the other end of the T-shaped upper side. And a frame fitting portion 21 formed on the shaft and below the frame fitting portion 23 on the ridge side.

  The eaves side frame 31a of the solar cell module 30a includes a panel insertion portion 33a for inserting and holding the solar cell panel 32a, and a presser portion fitting recess 35a for inserting and fixing the frame fitting portion 22 of the presser portion 20. Have.

  Further, the ridge side frame 31b of the solar cell module 30b includes a panel insertion portion 33b for inserting and holding the solar cell panel 32b, and a presser portion fitting recess 34b for inserting and fixing the frame fitting portion 23 of the presser portion 20. And a pressing portion fitting concave portion 37b into which the frame fitting portion 21 is inserted.

  Such a fixing member 1b of the present invention is fixed to the roof material 40 by fastening the roof fixing screw 51 through the roof fixing screw hole 11 of the base portion 10. The pedestal portion 10 and the presser portion 20 insert and fit the pedestal portion fitting portion 24 into the presser portion fitting recess 13, and the presser portion fixing screw 50 is inserted into the pedestal portion fixing screw hole 25 and the presser portion fixing screw hole 12. Are fixed to each other by passing through and fastening.

  The frame fitting portion 22 of the presser portion 20 is inserted into the presser portion fitting recess 35a of the frame 31a, and the tip end portion where the frame fitting portion 22 bends downward is in close contact with the back of the presser portion fitting recess 35a. The movement of the frame 31a in the vertical direction is suppressed.

  Further, the right side surface of the frame 31a is in close contact with the left side surface of the shaft portion of the presser portion 20, and suppresses the movement of the frame 31a in the right direction in the drawing. Note that the movement of the frame 31a in the left direction in the drawing is suppressed by a fixing member 1a (not shown).

  The frame fitting portion 23 of the holding portion 20 is inserted into the holding portion fitting concave portion 34b of the frame 31b, the frame fitting portion 21 is inserted into the holding portion fitting concave portion 37b, and the base portion engaging portion 36b. Are engaged with the frame engaging portion 14 to suppress the vertical movement of the frame 31b.

  Further, the left side surface of the frame 31b is in close contact with the right side surface of the shaft portion of the presser portion 20, and suppresses the movement of the frame 31b in the left direction in the drawing. Note that the movement of the frame 31b in the left direction in the drawing is suppressed by a fixing member 1c (not shown).

Attachment of Solar Cell Module to Roof Using Fixing Member FIG. 3 shows a process of attaching a module using a conventional fixing member to the roof, and FIG. 4 shows an attachment process of the module using the fixing member of the present invention to the roof. Shown in As shown in FIG. 3A, the conventional solar cell module fixing structure includes an integrally molded fixing member 70 fixed to the roof material 40 and solar cell frames 80 and 81. The solar cell frames 80 and 81 are provided on opposite sides of the rectangular solar cell module, and are respectively placed on the eaves side and the ridge side of the fixing unit 70. In the solar cell module, both end portions of a substantially T-shaped frame fitting portion 71 formed on the upper portion of the fixing member 70 are inserted into the frames 80 and 81, respectively, and the fixing member 70 and the frame 80 are fixed by screws 90. It is fixed by being done.

  In the conventional fixing structure, first, a frame 81 (not shown) of the eaves side solar cell module is fixed to the roof by a fixing member 70 (not shown). At the other end, the fixing member 70 is slid from the left side of the frame 80 as shown in FIG. 3B, and one end of the T-shaped frame fitting portion 71 is slid into the recess of the frame 80. Then, as shown in FIG. 3A, the screw 90 is fastened to fix the fixing member 70 and the frame 80. Next, as shown in FIG. 3B, the fixing member 70 and the roof material 40 are fixed by fastening the screw 91.

  As shown in FIG. 3C, the frame 81 is fixed to the fixing member 70 so that the end of the frame fitting portion 71 of the fixing member 70 is inserted into the recess of the frame 81 of the solar cell module on the ridge side. Next, the frame 81 is lowered so as to be substantially parallel to the roof material 40 as indicated by the arrow while rotating around the frame fitting portion 71 of the fixing member 70. In this way, a structure in which the frames 80 and 81 as shown in FIG. 3D are fixed to the roof material 40 by the fixing member 70 is completed.

  Although illustration is omitted, the frame 80 of the solar cell module on the ridge side is also fixed as shown in FIG. By repeating the above-described operation, the plurality of solar cell modules are fixed from the eaves side to the building side.

  On the other hand, in the solar cell module fixing structure of the present invention, first, the ridge-side frame (not shown) of the solar cell module 30a closest to the eave is fixed to the roof by a fixing member 1a (not shown). And in the eaves side frame 31a which is the other end of the ridge side frame, as shown in FIG.4 (b), only the base part 10 of the fixing member 1b is mounted in the roof material 40, and the roof fixing screw 51 is fastened. Then, the pedestal portion 10 and the roof material 40 are fixed, and the frame fitting portion 22 of the holding portion 20 of the fixing member 1b is attached to a predetermined position of the holding portion fitting concave portion 35a of the frame 31a.

  Next, as shown in FIG. 4C, the frame 31 a is lowered while the pedestal fitting part 24 of the presser 20 is inserted into the presser fitting recess 13 of the pedestal 10, and the presser fixing screw 50 is fastened. Then, the base part 10 and the presser part 20 are integrated and fixed.

  Next, as shown in FIG. 4D, the frame fitting portion 23 of the holding portion 20 is attached to the ridge side frame 31b of the solar cell module 30b installed on the ridge side of the solar cell module 30a. The frame 31b is abutted against the fixing member 1b so as to be inserted into 34b, and the frame 31b and the roof material 40 are then rotated so as to rotate around the frame fitting portion 23 of the presser portion 20 as indicated by an arrow. Lower it so that it is approximately parallel. At this time, the base engaging part 36b formed on the frame 31b engages with the frame engaging part 14 formed on the base 10. In this way, a structure in which the frames 31a and 31b as shown in FIG. 4 (f) are fixed to the roof material 40 by the fixing member 1b is completed.

  Although illustration is omitted, the eaves side frame of the solar cell module 30b is also fixed as shown in FIGS. 4B and 4C using the fixing member 1c. By repeating the above-described operation, the plurality of solar cell modules are fixed from the eaves side to the building side.

Comparison of Conventional and Fixing Member / Fixing Structure of the Present Invention According to the fixing structure of the solar cell module of the present invention described above, as shown in FIG. Since the fitting portion 35a is bent downward and is in close contact with the fitting recess 35a, the holding portion 10 and the holding portion 20 can be connected with the holding portion fixing screw 50 even if the holding portion 20 is not fixed to the frame 31a with a screw or the like. The frame 31a can be fixed to the fixing member 1b only by integrating them.

  On the other hand, in the conventional fixing structure, the fixing member 70 must be fixed to the frame 80 using screws 90 as shown in FIG. This is because the fixing member 70 is attached to the roof material 40 in a state where the fixing member 70 is attached to the frame 80, and thus fixing with the screw 90 is essential to prevent displacement. Thus, according to the present invention, the module can be reliably fixed by the simplified fixing process.

  In addition, in the present invention, in addition to the frame fitting portion 23 at the other end of the frame fitting portion 22 of the presser portion 20, a frame fitting portion 21 is also formed below the frame fitting portion 23. Since it is inserted into the presser portion fitting recesses 34b and 37b, the number of support points is increased, and the fixing strength of the frame 31b to the fixing member 1b is improved. On the other hand, in the conventional fixing member 70, the fitting portions are formed only at both ends of the frame fitting portion 71.

  Further, as shown in the range surrounded by the broken line in FIG. 3 (e), the conventional fixing member 70 has a position (height) at which the frame fitting portion 71 is inserted into the recesses of the frames 80 and 81 at the solar cell. The lower position was below the screw hole 92 of the module. Therefore, when the frame 81 is abutted against the fixing member 71 in FIG. 3C, the frame fitting portion 71 serving as a mark may be hidden behind the frame and viewed from the gap between the frames 80 and 81 surrounded by a broken line. This was not possible, and it was difficult to quickly align the frame 81.

  On the other hand, in the present invention, the position where the frame fitting portion 23 is inserted into the holding portion fitting recess 34b of the frame 31b is a solar cell as shown by the range surrounded by the broken line in FIG. The position is as high as the screw hole 52 of the module. Therefore, when the frame 31b is abutted against the fixing member 1b in FIG. 4 (d), the frame fitting portion 23 as a mark can be visually recognized from the gap between the frames 31a and 31b surrounded by the broken line, and the position of the frame 31b Matching can be done quickly.

  Further, in the state where the installation of two modules on both sides of the fixing member is completed, conventionally, the fixing member 70 is completely hidden between both modules as shown by the range surrounded by the broken line in FIG. For this reason, it cannot be confirmed whether it is correctly attached to a predetermined position, and even if the fixing is insufficient, there is a possibility of overlooking it.

  On the other hand, in the present invention, as shown in FIGS. 4 (f) and 4 (g), the base portion engaging portion 36 b formed on the frame 31 b and the frame engaging portion 14 formed on the base portion 10. However, when the frame 31b is lowered so as to be parallel to the roof material 40, the tip portions contact each other, and when the frame 31b is further lowered and completely seated, the engaging portion 36 and the engaging portion 14 are While being pressed to engage each other, they interfere with each other and emit an engagement sound.

  By generating this engagement sound, it can be known that the bottom surface of the frame 31b is correctly seated on the fixing member 1b, and the module 30b is combined with the frame 31b correctly attached with the previous frame fitting portion 23 as a mark. It can be confirmed that the installation is correctly performed.

  In the present invention, it has already been described that the fixing of the module 30a to the fixing member 1b by the frame fitting portion 22 of the holding portion 20 has been already described. However, it will be described that the fixing of the module 30b can also be performed reliably. FIG. 5 is a diagram showing a state at the time of positive pressure in which only the gravity is applied to the solar cell or the wind pressure in the arrow direction is applied together with the gravity. At this time, the upper part, the center part of the presser part 20 and the frame engaging part 14 of the pedestal part 10 have a clearance with respect to the frame 31b from the viewpoint of securing the fitting type workability. The frame 31b is supported by the shoulder portion 26 of the presser portion 20 with respect to the frame bottom portion 38b as shown by the two ranges surrounded by the broken line in the figure, and the base portion of the frame 31b is engaged. The right end of the pedestal portion 10 supports the bottom surface of the portion 36a.

  At the time of positive pressure, the bottom surface of the frame 31b has a wide trapezoidal shape and is supported at both ends by the fixing member 1b, so that sufficient strength to receive the moment of rotation of the frame can be ensured.

  FIG. 6 is a diagram showing a negative pressure state in which wind pressure or the like is applied to the solar cell and a load is applied in the direction of the arrow in the direction opposite to that in FIG. At this time, since the solar cell is lifted upward, the frame 31b meshes with the frame fitting portions 23 and 21 of the presser portion 20 as shown by the two left-side ranges surrounded by a broken line. Moreover, as shown in the range of one place of the right side enclosed with the broken line, the frame engaging part 14 of the base part 10 and the base part engaging part 36b of the flame | frame 31b mesh.

  Due to the meshing of these three locations, in particular the meshing of the frame engaging part 14 and the pedestal engaging part 36b, it is possible to receive the moment of rotation generated in the frame and to sufficiently support the upward projection of the module. is there.

  If the wiring cables connected between the solar cell modules are not fixed and stored, there is a risk that the connection connector may be disconnected or the cable may be damaged or deteriorated due to vibration or wind pressure after installation. Therefore, it is common to provide a fixing member for the connector separately.

  In the conventional fixing member 70 shown in FIG. 7, the space 72 is a closed space and cannot be used. However, in the present invention, the fixing member 1b is opened on the pedestal portion 10 as shown in FIG. A space 60 is provided. Therefore, this space can fix and store the wiring cable 61 of the solar cell module.

Removal of the solar cell module from the roof It may be necessary to remove the module from the roof for reasons such as maintenance and repair of the solar cell module installed on the roof. In such a case, the process of removing the module from the roof will be described by explaining the module attachment process of FIGS. 3 and 4 in the reverse order.

  In the removal of the conventional fixing structure of the solar cell module, the fixing member that fixes the frame 80 (not shown) of the solar cell module on the ridge side is first removed from the state of FIG. Subsequently, contrary to the arrow shown in FIG. 3C, the frame 81 is lifted so as to rotate around the frame fitting portion 71 of the fixing member 70, and the frame fitting portion 71 is pulled out from the recess of the frame 81. In this manner, the frame 81 is removed from the fixing member 70.

  Subsequently, contrary to the arrow shown in FIG. 3B, the screw 91 is loosened to remove the fixing member 70 from the roofing material 40, and the screw 90 shown in FIG. 3A is loosened to remove the fixing member 70 on the eaves side. Remove from the frame 80 of the solar cell module. Hereinafter, after lifting and removing the frame 80, a fixing member that fixes the frame 81 (not shown) of the eaves-side solar cell module is removed, and the necessary solar cell module is removed by repeating these operations.

  On the other hand, in removing the fixing structure of the solar cell module of the present invention, the fixing member 1c for fixing the eaves side frame (not shown) of the module 30b is first removed from the state of FIG. Subsequently, in order to release the engagement between the pedestal engaging portion 36b of the frame 31b of the module 30b and the frame engaging portion 14 of the pedestal 10, the module 30b is placed on the ridge side in a state substantially parallel to the roofing material. After shifting, contrary to the arrow shown in FIG. 4D, the module 30b is lifted so as to rotate around the frame fitting part 23 of the holding part 20 of the fixing member 1b, and the holding part fitting of the frame 31b is engaged. The frame 31b is removed from the fixing member 1b so that the frame fitting portion 23 of the presser portion 20 is pulled out from the recess 34b.

  Subsequently, the roof fixing screw 51 is not loosened. Therefore, while holding the base portion 10 of the fixing member 1b to the roof material 40, the presser portion fixing screw 50 is loosened in the opposite direction to the arrow shown in FIG. The part 20 is removed from the base part 10. The presser portion 20 is not fixed to the frame 31a with screws or the like, and the frame fitting portion 22 of the presser portion 20 is merely inserted and attached to the presser portion fitting recess 35a of the frame 31a. The holding part 20 can be easily detached from the frame 31a. Similarly, after lifting and removing the module 30a, the fixing member 1a (not shown) on the eaves side of the module 30a is removed.

  Thus, according to the conventional solar cell module fixing structure, when removing the solar cell module, not only the solar cell module but also all the fixing members 70 for fixing the solar cell module to be removed are removed from the roof material 40. There must be. Therefore, screw holes remain in the roof material 40 where the fixing member 70 is attached.

  When the solar cell module that has undergone repair / maintenance is attached to the roof again, the screw 91 cannot be fastened again to the remaining screw hole, and a screw hole needs to be formed at a new location. As described above, in the conventional fixing structure, not only the process of removing the fixing member 70 every time it is detached and attached, but also the screw holes need to be newly formed in the roof material 40, and the roof is more than necessary. It may cause damage or deterioration.

  On the other hand, according to the fixing structure of the solar cell module of the present invention, when removing the solar cell module, it is only necessary to separate the solar cell module to be removed and the presser portion 20 attached thereto from the pedestal portion 10. The separated pedestal portion 10 remains fixed to the roof material 40. Therefore, when the solar cell module that has undergone repair / maintenance is attached to the roof again, the presser portion 20 may be fixed again to the pedestal portion 10 that is fixed to the roof material 40, and a screw hole is formed at a new location. There is no need.

  As described above, in the fixing structure of the present invention, the step of completely removing the fixing member every time it is removed and attached can be omitted, and it is not necessary to newly form a screw hole, so that the roof is damaged or deteriorated more than necessary. Is prevented.

  It is promising because it can improve the reliability of the fixing member of the photovoltaic power generation module attached to the house roof, and can simplify the process of attaching and removing the module and the fixing member.

1 (1a-1e) ... solar cell module fixing member,
10 ... pedestal,
11 ... Roof fixing screw hole,
12: Presser part fixing screw hole,
13: Presser portion fitting recess,
14 ... frame engaging part,
20: Presser part,
21, 22, 23 ... frame fitting part,
24 ... pedestal fitting part,
25: Pedestal fixing screw hole,
26 ... shoulder of the presser foot,
30 (30a-30d) ... solar cell module,
31 ... Frame,
32 ... solar panel,
33 ... Panel insertion part,
34, 35, 37 ... Presser portion fitting recess,
36 ... pedestal engaging portion,
38 ... bottom of frame,
40 ... Roofing material,
50: Presser part fixing screw,
51. Roof fixing screw,
52 ... Screw holes,
60 ... Cable storage space,
70 ... (conventional) fixing member,
71 ... Frame fitting part,
72 ... space,
80 ... eaves side solar cell frame,
81 ... Building-side solar cell frame,
90, 91 ... screw,
92: Screw hole.

Claims (3)

  1. In the solar cell module fixing method of fixing the solar cell module supporting the outer peripheral edge of the solar cell panel with a frame to a predetermined support member using a fixing member ,
    The fixing member includes a pedestal portion, and a pressing portion that is detachable from the pedestal portion and includes a shaft portion that extends substantially vertically from the pedestal portion and a fitting portion that extends substantially horizontally at the upper end portion of the shaft portion. With
    The frame is provided with a panel inserting portion of the solar cell panel is inserted and supported, and a fitting recess to be fitted with the fitting portion on the side opposite to the side where the solar cell panel is inserted,
    Fit the fitting part of the holding part of the fixing member into the fitting concave part of the eave side frame of one solar cell module, and tighten the screw of the holding part to fix the holding part and the base part to the eave side frame. Fixing the fixing member;
    On the opposite side of the fixing member to the side on which the one solar cell module is fixed, fitting the fitting portion on the opposite side of the fixing member into the fitting recess of the ridge-side frame of another solar cell module; The eaves side frame and the ridge side frame are placed on the pedestal portions on both sides across the shaft side of the fixing member, and the fitting portion of the fixing member presses the fitting recess of the frame. A solar cell module fixing method in which a frame is fixed,
    The pedestal portion on the side on which the ridge-side frame is placed is provided with a frame engaging portion, and the ridge-side frame and the frame engaging portion are placed when the ridge-side frame is placed on the pedestal portion. A method of fixing a solar cell module, comprising: determining that the step of fitting the fitting portion is completed by pressing and engaging with each other and interfering and generating an engagement sound.
  2. Fitting recess of the frame, the method of fixing the solar cell module according to claim 1, characterized in that it is disposed directly below the panel insert.
  3. A maintenance method for a solar cell module fixed by the fixing method according to claim 1 or 2 ,
    The other solar cell module is shifted to the ridge side in a state substantially parallel to the roof material to release the engagement between the ridge side frame and the frame engaging portion, and the other solar cell module is removed,
    A maintenance method for a solar cell module, wherein the pedestal portion of the fixing member is fixed to a support member, and the one solar cell module is removed by removing the presser portion from the pedestal portion.
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WO2016157692A1 (en) * 2015-03-31 2016-10-06 パナソニックIpマネジメント株式会社 Solar photovoltaic device and method for constructing solar photovoltaic devices
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