JP5894392B2 - Solar cell module installation structure on the roof - Google Patents

Description

  The present invention relates to an on-roof installation structure of a solar cell module suitable for installation of a solar cell on a roof.

  As a structure for attaching a solar cell to a roof, Patent Document 1 discloses a structure in which a hole for attachment is made by screwing or the like in a metal board.

JP 2003-96986 A

  However, in the mounting structure as described above, it is not easy to completely stop the mounting hole, so that it is easy to cause rain leakage, and troubles due to melted snow are likely to occur in snowy areas. In addition, if there is too much space between the roof and the solar cell module in a snow duct or a gentle gradient single-flow roof that is used in snowy areas, it is easy to collect snow under the solar cell module, and there is a risk of leakage. Becomes higher.

  It is an object of the present invention to provide a solar cell module on-roof installation structure that does not require a hole in the roof for mounting the solar cell module and that can reduce the arrangement interval between the roof and the solar cell module. To do.

  In order to solve the above-described problems, the solar cell module installation structure on the roof of the present invention has a clamp hardware part and a support part, and is fixed to the standing edge of the roof by the clamp hardware part. And a frame supported by the support part, and a fixing member that is attached to a fastening part protruding above the support part and fixes the support part and the frame to each other. Is mounted on the main body plate portion of the frame, and the support portion exists below the edge of the solar cell module via the main body plate portion.

  If it is the said structure, since it uses the fixing metal fixture fixed to the standing edge of a roof, it becomes unnecessary to screw a roof and can prevent a rain leak. In addition, the arrangement height of the frame with respect to the roof is a value obtained by adding the height of the support portion and the thickness of the main body plate portion in the frame, and the arrangement height is, for example, as a solar cell support frame This is much lower than when a hollow frame is used. Thus, if the arrangement | positioning height of the said flame | frame can be made low, it can prevent that snow enters between the back side of a solar cell module and a roof, and can reduce the risk of generating a tin leak. Moreover, a solar cell module can be arrange | positioned along the inclination of a roof, and the appearance of the roof where the solar cell module is arrange | positioned can be improved.

  Although it is possible to fix the solar cell module to the frame using the fastening portion and the fixing member, a solar cell module fixture may be provided on the frame separately from the fastening portion and the fixing member. .

  When using the solar cell module fixture, a pedestal member that forms a fastening portion for mutual fixation between the solar cell module fixture and the frame is provided at a location higher than the position of the main body plate portion in the frame. Is good. According to this, the said solar cell module fixing tool can be firmly fixed to the said flame | frame by the said base member.

  When the solar cell module fixture is used, a locking hole is formed in the frame, and the solar cell module fixture has a size that fits into the locking hole and does not come out of the locking hole. It is preferable that a locking portion having According to this, after fixing the said frame to the said metal fitting, it becomes possible to attach the said solar cell module fixing tool to the said frame only by operation from upper direction.

  Further, in these roof cell installation structures of these solar cell modules, the frame includes, as the frame, an end frame in which the solar cell module is disposed on one side, and an intermediate frame in which the solar cell module is disposed on both sides, Further, it may have a double plate edge that rises once from the end of the main body plate portion to the roof side. When this double plate edge is provided, the rigidity of the middle frame can be increased.

  Further, in the installation structure on the roof of these solar cell modules, the frame may be arranged parallel to the standing seam, but the frame is arranged in a direction intersecting the standing seam. Is preferable. By arranging in such a manner, the solar cell module can be arranged without being affected by the pitch of the above-mentioned standing edge.

  According to the present invention, since the arrangement height of the frame from the roof can be lowered, it is possible to prevent snow from entering the back side of the solar cell module, and various excellent effects such as reduction of the risk of occurrence of the chip leakage. Play.

FIG. 2A is a perspective view showing an example of a support metal used for the roof-top installation structure of the solar cell module of the present invention, and FIG. 2B is an assembled perspective view thereof. It is the perspective view which showed a mode that the support metal object shown in FIG. 1 was arrange | positioned on a roof. It is the perspective view which showed the mode of the assembly of the installation structure on the roof of the solar cell module which concerns on one Embodiment of this invention. It is the figure which showed a part of installation structure on the roof of the solar cell module which concerns on one Embodiment of this invention, Comprising: It is the perspective view which showed the state which mounted the end frame on the support metal fitting. It is the perspective view which showed the mode of the assembly of the installation structure on the roof of the solar cell module which concerns on one Embodiment of this invention. It is the figure which showed a part of installation structure on the roof of the solar cell module which concerns on one Embodiment of this invention, Comprising: It is the perspective view which showed the state which attached the solar cell module fixing tool to the end frame. It is the perspective view which showed the mode of the assembly of the installation structure on the roof of the solar cell module which concerns on one Embodiment of this invention. It is the figure which showed a part of installation structure on the roof of the solar cell module which concerns on one Embodiment of this invention, Comprising: It is sectional drawing of an end frame location. It is the figure which showed a part of installation structure on the roof of the solar cell module which concerns on one Embodiment of this invention, Comprising: It is sectional drawing of a middle frame location.

  Next, the installation structure on the roof of the solar cell module according to the embodiment of the present invention will be specifically described with reference to the accompanying drawings. In addition, the roof installation structure of the solar cell module which concerns on this invention is not limited to what was shown to the following embodiment, In the range which does not change the summary, it can implement suitably.

  1 (A) and 1 (B) show a support metal (shell fixing metal) 1 that can be used in the roof installation structure of the solar cell module according to this embodiment. The support hardware 1 includes a clip hardware part 11, a bowl-shaped metal part (support part) 12, a receiving member (support part) 13, a fastening bolt 14 (fastening part), and a nut 15 (fixing member, see FIG. 4). ).

  The sandwiched metal part 11 in the support hardware 1 has a sandwiched part 11a in which a pair of plate members are fixed by welding, for example, on each upper side, and a flange part 11b formed by bending each of the pair of plate members. . A gap having a width corresponding to the thickness of the rising edge 101 is formed between the pair of plate members of the sandwiching portion 11a. Further, two through-holes 11 c penetrating in the thickness direction of the rising edge 101 are formed in the sandwiching portion 11 a at two positions in the extending direction of the rising edge 101. By inserting the bolt 11d through the through-hole 11c and tightening the nut 11e, the clamped metal part 11 is fixed to the rising edge 101. The flange portion 11b is formed with two through holes 11f used for fixing the flanged metal portion 12 to the flange portion 11b.

  The bowl-shaped metal part 12 includes a fixed surface part 12a facing the flange part 11b and a support piece 12b bent about 90 degrees with respect to the fixed surface part 12a. A through hole 12f is formed at the center of the support piece 12b. Further, a through hole 12c is formed in the fixed surface portion 12a, and a bolt 12d is inserted into the through hole 12c and the through hole 11f and a nut 12e is tightened, whereby the hooked metal portion 11 has the hook-like shape. The hardware part 12 is fixed.

  The receiving member 13 is made of a cushioning material such as a rubber material having a cubic or rectangular parallelepiped shape, for example. On the lower surface of the receiving member 13, a groove portion 13 a is formed in which the rising edge 101 is accommodated. Further, the receiving member 13 is formed with a vertical through hole 13b extending from the central portion of the upper surface to the groove portion 13a. And the fixing surface part 12a of the said hook-shaped metal part 12 is fixed to the flange part 11b of the said pinching metal part 11 in the state which the support piece 12b of the said hook-shaped metal part 12 contact | abutted to the upper surface of the said receiving member 13. .

  The fastening bolt 14 is a rectangular plate portion 14a that is accommodated in the groove portion 13a of the receiving member 13 and whose rotation is restricted, and a bolt portion 14b that is provided so as to rise from the center portion of the rectangular plate portion 14a. Consists of. When the rectangular plate portion 14 a is stored in the groove portion 13 a and the fastening bolt 14 is inserted into the vertical through hole 13 b, the tip of the bolt portion 14 b protrudes from the upper surface of the receiving member 13. Then, the protruding bolt portion 14b can be passed through a through hole 12f formed in the support piece 12b, and a nut 15 (fixing member, see FIG. 4) can be screwed to the tip portion of the bolt portion 14b.

  FIG. 2 shows how the support hardware 1 is attached to the roof 100 made of metal sheet. The standing edge 101 is preferably formed at a location on the roof 100 where the rafter 102 is disposed. In this case, the support hardware 1 is provided above the location where the rafter 102 is disposed. In this embodiment, the roof 100 is a snow-free snow-cold roof (snow duct, gentle gradient single-flow, etc.) in a cold snowy region, but is not limited to application to such a snow-free roof.

  FIG. 3 shows a state in which the end frame 2 and the middle frame 3 are attached on the support hardware 1 attached to the roof 100. In the installation form shown in this figure, the frames 2 and 3 are arranged so as to intersect with the extending direction of the above-mentioned stand 101. The end frame 2 is a frame in which the solar cell module 5 is disposed on one side, and the middle frame 3 is a frame in which the solar cell module 5 is disposed on both sides thereof.

  FIG. 4 is a perspective view showing a state in which the end frame 2 is mounted on the support hardware 1. The end frame 2 has a substantially C-shaped cross section, for example, by bending a metal plate member. The end frame 2 has the main body plate portion 2a placed on the support piece 12b of the support metal piece 1 and the long through hole 2d formed in the main body plate portion 2a in the longitudinal direction. The bolt part 14b is inserted. Then, the end frame 2 is fixed on the support metal 1 by tightening the nut 15 to the bolt portion 14b. Similarly, the middle frame 3 is also attached to the support hardware 1. Further, a first locking through hole 2b is formed at the longitudinal end of the main body plate portion 2a of the end frame 2, and four second locking through holes 2c are formed at positions outside the first locking through hole 2b. Is formed. Similarly, the middle frame 3 has a first locking through hole 3b and a second locking through hole 3c formed in the main body plate portion 3a (see FIG. 9).

  FIG. 5 shows how the solar cell module fixture 4 is attached to the end frame 2 and the middle frame 3. The solar cell module fixture 4 is attached closer to the ends of the frames 2 and 3 than the position of the support hardware 1. Of course, you may attach the said solar cell module fixture 4 inside the position of the said support metal object 1. FIG.

  FIG. 6 is a perspective view showing a state in which the solar cell module fixture 4 is attached to the end frame 2. The solar cell module fixture 4 includes a base member 41, a bolt member 42, a locking nut member 43, a tightening nut 44, and a cover fixing nut 45 (see FIGS. 8 and 9).

  The pedestal member 41 has a pedestal surface portion 41a and two leg portions 41b by bending a metal plate into an inverted U shape. A through hole through which the bolt member 42 is inserted is formed in the center of the pedestal surface portion 41a. Further, the four locking projections formed at the lower ends of the leg portions 41b are locked by the four second locking through holes 2c formed in the main body plate portion 2a of the end frame 2.

  The locking nut member 43 is screwed (welded or the like) to the lower end side of the bolt member 42. The locking nut member 43 has a long side shape that is large enough to enter the first locking through hole 2b and does not come out of the first locking through hole 2b. Further, the locking nut member 43 is formed with a protrusion 43a that can come into contact with the edge of the first locking through hole 2b. When the locking nut member 43 is oriented obliquely with respect to the longitudinal direction of the end frame 2, the locking nut member 43 does not come out of the first locking through hole 2b and the protrusion 43a is not in the first position. It will be in the state which cannot contact | abut to the edge of the latching through-hole 2b, and cannot rotate.

  The tightening nut 44 is screwed from above the bolt member 42, and the base member 41 can be fixed to the end frame 2 by tightening the tightening nut 44. Here, the base member 41 forms a fixing portion for fixing the solar cell module fixture 4 and the end frame 2 at a position higher than the position of the main body plate portion 2a in the end frame 2. It will be a thing. The solar cell module fixture 4 is also attached to the middle frame 3 in the same manner.

  FIG. 7 shows a state in which the solar cell module 5 placed on the frames 2 and 3 is fixed by the decorative cover 6.

  FIG. 8 is a cross-sectional view of the end frame 2 where the decorative cover 6 is disposed. The decorative cover 6 has a U-shaped cross section in which rising portions are formed on both sides of the flat plate body. A through hole through which the bolt part 42 of the solar cell module fixture 4 is inserted is formed in the flat plate main body part of the decorative cover 6. A cover fixing nut 45 is attached to the front end side of the bolt member 42 through the through hole, and the decorative cover 6 is fixed. Between the decorative cover 6 and the tightening nut 44, a pipe-like spacer 7 that is fitted to the bolt member 42 is provided.

  A receiving portion 2e is formed at the upper end of the rising portion on the end side of the end frame 2, and one rising portion of the decorative cover 6 abuts on the receiving portion 2e, and the other rising portion. Is in contact with the locking projection 5 a of the solar cell module 5. The solar cell module 5 has the lower surface on the edge side placed on the main body plate portion 2 a of the end frame 2. And the said support piece 12b (support part) exists under the edge side of the said solar cell module 5 via the said main body board part 2a.

  FIG. 9 is a cross-sectional view of the middle frame 3 where the decorative cover 6 is disposed. Two adjacent solar cell modules 5 have their edges placed on the main body plate portion 3 a of the middle frame 3. And the edge side of each solar cell module 5 exists on the support piece 12b of the said support metal object 1 through the said main body board part 3a. In addition, rising portions are formed on both sides of the main body plate portion 3a of the middle frame 3, but the rising portions on the side where the sandwiching hardware portion 11 of the support hardware 1 is not provided are provided on the side of the main body plate portion 3a. It is a double plate edge 3d that once falls from the end to the roof side and rises. Similarly to the end frame 2, a through hole through which the bolt portion 42 of the solar cell module fixture 4 is inserted is formed in the flat plate main body portion of the decorative cover 6. A cover fixing nut 45 is attached to the front end side of the bolt member 42 through the through hole, and the decorative cover 6 is fixed. Between the decorative cover 6 and the tightening nut 44, a pipe-like spacer 7 that is fitted to the bolt member 42 is provided.

  If it is said structure, the arrangement | positioning height of the said frames 2 and 3 on the basis of the said roof 100 is the height of the said receiving member 13 (support part), the thickness of the said support piece 12b (support part), and the said frame 2. 3 is the sum of the thicknesses of the main body plate portions 2a and 3a, and this arrangement height is much lower than when a hollow frame is used as the solar cell support frame, for example, and the weight of the frame is reduced. Can also be planned. Thus, if the arrangement height of the said frames 2 and 3 can be made low, it will prevent that snow enters between the back side of the solar cell module 5 and the roof 100, and the generation | occurrence | production risk of a soot leak can be reduced. Further, the appearance of the roof on which the solar cell module 5 is arranged is improved.

  And in this embodiment, since the support part is comprised by the bowl-shaped metal part 12 and the receiving member 13, and the said receiving member 13 is interposed between the lower surface of the said support piece 12b, and the said roof 100, the said A load applied on the support piece 12b is applied to the receiving member 13 through the support piece 12b. When the support piece 12b is not provided, the main body plate portions 2a and 3a of the frames 2 and 3 are directly arranged on the receiving member 13, but such a direct arrangement structure is adopted. Is also possible. In the case of this structure, the flange part 11b of the clip hardware part 11 may be fixed to the receiving member 13 using screws or the like. Moreover, it is good also as a structure which provides a pinch | metal fitting part so that the one receiving member 13 may be pinched | interposed from both sides. Further, in such a structure in which the support piece 12b is not provided, a plate-like member having the same size as the support piece 12b may be interposed between the main body plate portions 2a and 3a and the receiving member 13. Furthermore, the support part may not be constituted by the bowl-shaped metal part 12 and the receiving member 13, but the support member may be constituted by only the bowl-like metal part 12 by omitting the receiving member 13. In this case, a bolt serving as a fastening member may be attached to the support piece 12b of the bowl-shaped hardware part 12.

  Further, in this embodiment, since the frames 2 and 3 are arranged in a direction intersecting the standing edge 101, the solar cell module 5 can be arranged without being affected by the pitch of the standing edge 101. it can. It should be noted that the structure in which the frames 2 and 3 are arranged in parallel to the standing edge 101 is not excluded.

  Further, in this embodiment, the solar cell module fixture 4 is provided on the frames 2 and 3 separately from the fastening bolts 14 and nuts 15, and is not limited to the arrangement and structure of the fastening bolts 14 and nuts 15. Thus, the solar cell module fixture 4 having the arrangement and the structure can be adopted. In addition, it is also possible to lengthen the bolt portion 14b of the fastening bolt 14, engage the base member 41 with the fastening bolt 14, and fix the base member 41 with a nut different from the nut 15. is there.

  In this embodiment, in the solar cell module fixture 4, the solar cell module fixture 4 and the frames 2, 3 are positioned higher than the positions of the main body plate portions 2 a, 3 a in the frames 2, 3. Since the base member 41 which forms the fastening location for mutual fixation is provided, the solar cell module fixture 4 can be firmly fixed to the frames 2 and 3. Specifically, if the bolt member 42 is fastened with a nut at the position of the main body plate portions 2a and 3a, the bolt member 42 may be wobbled. However, if the base member 41 is provided, the bolt member 42 may be provided. It can prevent wobble.

  Further, in this embodiment, the solar cell module fixture 4 has a long side portion that is large enough to enter the first locking through holes 2b and 3b and that does not come out of the first locking through holes 2b and 3b. Therefore, after the frames 2 and 3 are fixed to the support fitting 1, the solar cell module fixture 4 can be attached to the frames 2 and 3 only by an operation from above. It becomes possible to install.

  Moreover, in this embodiment, since the said intermediate | middle frame 3 has the double board edge 3d which once falls from the edge of the main-body board part to the roof 100 side, and rises, the rigidity of the said intermediate | middle frame 3 can be improved. In addition, it is not limited to forming the said double plate edge 3d, When the said double plate edge 3d is not formed, the said support metal 1 is set as the structure which has the two clamping metal parts 11. FIG. be able to. In this case, the bowl-shaped metal part 12 is preferably not U-shaped but has a U-shaped cross section.

  In this embodiment, a pipe-like spacer 7 that fits the bolt member 42 is provided between the decorative cover 6 and the tightening nut 44. In the meantime, when the nut 44 is forgotten to be tightened, the spacer 7 is positioned above the specified position. In this state, the decorative cover 6 is lifted, so that it is possible to notice that the nut 44 has been forgotten to be tightened. Become. Further, if there is a slight gap between the spacer 7 and the decorative cover 6 in a state where the spacer 7 is in a prescribed position, the decorative cover 6 is slightly bent downward by tightening the nut 45 and a spring effect is generated. It will also be possible to prevent the looseness.

1 Support hardware (fixed hardware)
11 Clipping hardware part 12 Hook-shaped hardware part (supporting part)
12a Supporting piece 13 Receiving member (supporting part)
14 Fastening bolt (fastening part)
14b Bolt part 15 Nut (fixing member)
2 end frame 2a body plate portion 2b first locking through hole (locking hole)
3 Middle frame 3a Main body plate portion 3b First locking through hole (locking hole)
3d Double plate edge 4 Solar cell module fixture 41 Base member 42 Bolt member 43 Locking nut member (locking portion)
44 Tightening nut 45 Cover fixing nut 5 Solar cell module 6 Cosmetic cover 7 Spacer 100 Roof 101 Standing ridge 102 Rafter

Claims (6)

A clamp hardware part and a support part, fixed to the roof top of the roof by the clip hardware part, and a support metal fitting placed on the roof adjacent to the clip hardware part; and
A frame supported by the support part;
A fixing member that is attached to a fastening portion protruding above the support portion and fixes the support portion and the frame to each other;
A solar cell module, wherein an edge side of the solar cell module is placed on a main body plate portion of the frame, and the support portion exists below the edge side of the solar cell module with the main body plate portion interposed therebetween. Battery module installation structure on the roof.   The on-roof installation structure for a solar cell module according to claim 1, wherein a solar cell module fixture is provided on the frame separately from the fastening portion and the fixing member.   The installation structure on the roof of the solar cell module according to claim 2, wherein a fastening portion for mutual fixation of the solar cell module fixture and the frame is formed at a location higher than the position of the main body plate portion in the frame. A structure for installing a solar cell module on a roof, comprising a pedestal member.   4. The solar cell module on-roof installation structure according to claim 2 or claim 3, wherein a locking hole is formed in the frame, and the solar cell module fixture is sized to enter the locking hole and An on-roof installation structure for a solar cell module, wherein a locking portion having a shape that does not come out of the locking hole is provided.   In the installation structure on the roof of the solar cell module according to any one of claims 1 to 4, an end frame in which the solar cell module is arranged on one side and a solar cell module are arranged on both sides as the frame. A solar battery module installation structure on a roof, characterized in that the middle frame has a double plate edge that once rises from the end of the main body plate portion to the roof side.   The roof installation structure of the solar cell module according to any one of claims 1 to 5, wherein the frame is arranged in a direction crossing the standing seam. Top installation structure.

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