JP2012036664A - Solar cell module installation structure and construction method for solar cell module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solar cell module installation structure 1 and a solar cell module construction method, which are highly versatile, can satisfy a fire prevention standard for a roof, and can be a light roof.
SOLUTION: A solar cell module installation structure 1 is a solar cell module installation structure 1 in which a solar cell module 8 is installed on a sloped roof, the noncombustible material sheet 3 laid on a field board 20, and the noncombustible material sheet 3 and a solar cell module 8 fixed on the frame 7.
[Selection] Figure 2

Description

  The present invention relates to a solar cell module installation structure for attaching a solar cell module to a roof of a building and a solar cell module construction method using the solar cell module installation structure, and particularly to a highly versatile solar cell module installation structure and the solar cell. The present invention relates to a solar cell module construction method using a module installation structure.

  As a solar cell module installation structure installed on the roof of a building such as a house, there is one using a so-called roof tile-integrated solar cell module (for example, Patent Document 1). In this method, a part of a normal roof tile is replaced with a tile-integrated solar cell module, and the tile-integrated solar cell module and a normal roof tile are sequentially installed on a roof base material. When using a roof tile-integrated solar cell module in this way, only a part of the normal roof tile is replaced with the solar cell module, so the design is excellent and the roof is not required for the part where the solar cell module is installed. Can be lightened.

  On the other hand, in addition to the tile-integrated solar cell module, a rectangular solar cell module is mounted in a frame-like space formed by vertical members 6 and horizontal members 5 arranged on a roof tile, for example, in a lattice shape. There is a solar cell module installation structure (for example, Patent Document 2). If this solar cell module installation structure is used, the length of the vertical member 6 and the horizontal member 5 can be cut according to the shape of the solar cell module, and various sizes of solar cell modules can be used. Excellent in properties.

JP 2006-177001 A JP 2000-114575 A

  However, the solar cell module installation structure using the roof tile-integrated solar cell module replaces a part of the normal roof tile with the roof tile-integrated solar cell module. It is necessary to use a battery module, the size of each solar cell module is small, and versatility is low. In addition, since ordinary roof tiles are not laid on the portion where the roof tile-integrated solar cell module is installed, the roof tile-integrated solar cell module itself needs to satisfy the fire prevention standards, which tends to be expensive.

  On the other hand, in a solar cell module installation structure in which a rectangular solar cell module is mounted in a frame-like space formed by vertical and horizontal members on a roof tile, the roof tile and the solar cell module are laid twice. Therefore, there is a problem that the weight of the roof becomes heavy.

  Therefore, an object of the present invention is to provide a solar cell module installation structure and a solar cell module construction method that are highly versatile, can satisfy the fire prevention standard of a roof, and can be a lightweight roof.

  The solar cell module installation structure according to claim 1 is a solar cell installation structure in which a solar cell module is installed on a sloped roof, and is disposed on the noncombustible material sheet laid on a field board. And a solar cell module fixed on the frame.

  The solar cell module installation structure according to claim 2 is characterized in that the non-combustible material sheet is a waterproof material.

  The solar cell module installation structure according to claim 3, wherein the frame is configured by a cross member and a vertical member arranged in a lattice shape or a staggered pattern, and is a frame-shaped space partitioned by the cross member and the vertical member. It is characterized in that a rectangular solar cell module is mounted.

  The solar cell module installation structure according to claim 4, wherein the cross member is provided with receiving portions on both sides of which the ends of the solar cell module can be placed, and the receiving portion on the ridge side is the receiving portion on the eave side. It is characterized by being higher than the part.

  The solar cell module installation structure according to claim 5, wherein the end portion of the solar cell module is placed on the receiving portion via a resin body having elasticity and watertightness, and along the cross member. The fixing material formed in the Z shape is fixed to the cross member while pressing the upper surface of the solar cell module.

  The solar cell module construction method according to claim 6, after fixing the base plate and forming the roof base of the sloped roof, laying a non-combustible material sheet on the base plate, and then on the non-combustible material sheet. A horizontal member and a vertical member, which have been cut in advance according to the dimensions of the rectangular solar cell module, are arranged in a lattice shape or a staggered shape to form a frame body, and then the sun is placed in a frame-like space partitioned by the frame body. It is characterized by mounting a battery module.

  The solar cell module construction method according to claim 7 is characterized in that the non-combustible material sheet is a waterproof material.

  The solar cell module construction method according to claim 8, wherein the cross member includes receiving portions having different heights on both side portions on which end portions of the solar cell module can be placed, The cross member is installed such that the high side of the receiving portion is disposed on the side.

  The solar cell module construction method according to claim 9, wherein an end portion of the solar cell module is placed after the resin body having elasticity and watertightness is arranged in the receiving portion, and further along the cross member. The frame in which the solar cell module is partitioned by the frame body by fixing the fixing material formed in a Z shape to the cross member from above the solar cell module and pressing the upper surface of the solar cell module. It is characterized by being mounted in a space.

  According to the solar cell module installation structure according to claim 1, since the non-combustible material sheet is laid on the base plate, the non-combustible material sheet is certified to be non-combustible without installing roof tiles by receiving a predetermined non-combustible certificate. It is possible to install a solar cell module that has not received light, thereby reducing the material cost and reducing the weight of the roof. Moreover, the solar cell module of various shapes can be installed by selecting the frame body arrange | positioned on this incombustible material sheet, and it is excellent in versatility.

  According to the solar cell module installation structure of claim 2, since the non-combustible material sheet is a waterproof material, the non-combustible material sheet can also serve as a roofing, and the work can be simplified as compared with the case of separately installing the roofing. Can do.

  According to the solar cell module installation structure according to claim 3, since the frame for fixing the solar cell module is composed of a cross member and a vertical member, various parts can be obtained by cutting the cross member and / or the vertical member. It is possible to install solar cell modules of various dimensions and is excellent in versatility.

  According to the solar cell module installation structure according to claim 4, since the receiving part on the ridge side of the cross member is higher than the receiving part on the eave side, a plurality of solar cell modules installed on the eave side from the ridge side are adjacent to each other. Since the end portion has a step that becomes lower from the ridge side to the eave side, rainwater and the like flowing over the solar cell module can flow more smoothly downstream.

  According to the solar cell module installation structure according to claim 5, since the end portion of the solar cell module is placed on the receiving portion via the resin body having elasticity and water tightness, the thickness of the resin body is adjusted. By doing so, solar cell modules of various thicknesses can be installed. Moreover, since the fixing material formed in the Z shape along the horizontal member is fixed to the horizontal member while pressing the upper surface of the solar cell module, the ends of the solar cell modules adjacent to each other at different heights are fixed to each other. Can be fixed simultaneously with the material.

  According to the solar cell module construction method according to claim 6, since the non-combustible material sheet is laid on the field board, it is possible to install a solar cell module that has not been certified as non-combustible without installing a roof tile. The cost can be reduced and the weight of the roof can be reduced. Moreover, since the frame is formed by cutting the cross member and the vertical member in advance according to the size of the solar cell module, it is possible to fix the solar cell panels of various sizes, and the versatility is excellent.

  According to the solar cell module construction method of claim 7, since the non-combustible material sheet is a waterproof material, as in claim 2, the non-combustible material sheet can also serve as a roofing, as compared with a case where a separate roofing is constructed. Work can be simplified.

  According to the solar cell module construction method of claim 8, since the receiving part on the ridge side of the cross member is higher than the receiving part on the eave side, a plurality of installations are installed from the ridge side to the eave side, as in claim 4. Since the step which the edge part mutually adjacent of a solar cell module becomes low from the ridge side to the eaves side is made, the rain water etc. which flow on the solar cell module can flow down more smoothly downstream.

  According to the solar cell module construction method of claim 9, as in claim 5, by adjusting the thickness of the resin body, it is possible to install solar cell modules of various thicknesses, with different heights. Thus, the ends of the solar cell modules adjacent to each other can be simultaneously fixed with one fixing material, and the installation work of the solar cell modules can be further simplified.

(A) is the figure which shows the state which assembled | attached the horizontal member and the vertical member on the pier, and formed the frame, (B) is further attaching a solar cell module to frame-like space, Z-shaped fixing material and center The figure which shows the state fixed with the plate. Sectional drawing which shows the whole structure of the solar cell module installation structure seen from the direction parallel to a crosspiece. Sectional drawing which shows the whole structure of the solar cell module installation structure seen from the direction parallel to a vertical member. Sectional drawing explaining the structure of a crosspiece. Sectional drawing explaining the structure of a vertical member. The partially-omission perspective view which shows the state which attaches a solar cell module to a frame. The partially abbreviated enlarged view for explaining a state in which the vertical members are fixed to the ridge side receiving part and the eaves side receiving part of the horizontal member. The partially abbreviated enlarged view for explaining a state in which the solar cell module is fixed to the vertical material placing portion. The partially abbreviate | omitted enlarged view explaining the edge part of the building side of a solar cell module installation structure. The partially abbreviated enlarged view explaining the edge part of the eaves side of the solar cell module installation structure. The figure explaining the state which fixed the crosspiece on the pier in the solar cell module construction method. The abbreviated perspective view explaining the state which attached the vertical member to the horizontal member. The figure explaining the state which formed the frame body as a modification of the embodiment of the present invention by assembling vertical members and cross members in a zigzag pattern. The figure explaining the state which formed a trapezoid frame-like space as another modification of the embodiment of the present invention by assembling a part of the vertical member so as to cross diagonally with respect to the horizontal member. The figure which shows the state by which the ridge side receiving part and the eaves side receiving part were installed without the level | step difference as a modification of a cross member, and the solar cell module adjacent to each other on the ridge side and the eaves side was fixed flat.

  Hereinafter, the best embodiment of the solar cell module installation structure 1 and the solar cell module construction method of the present invention will be described with reference to the drawings. As shown in FIG. 1 to FIG. 3, the solar cell module installation structure 1 is laid on a base plate 20 that is fixed to a rafter 2 that constitutes a hut and forms a roof base of a sloped roof, and the base plate 20. The non-combustible material sheet 3 and a plurality of crosspieces 4 which are formed on the non-combustible material sheet 3 from the ridge side M to the eaves side N, and are substantially orthogonal to the crosspiece 4. A frame 7 formed in a lattice shape by a plurality of horizontal members 5 fixed horizontally and vertical members 6 installed perpendicular to the horizontal members 5, and mounted in a frame-like space partitioned by the frame 7 The solar cell module 8 is formed as a main component.

  The non-combustible material sheet 3 is a so-called non-combustible certified sheet certified by the Ministry of Land, Infrastructure, Transport and Tourism as a non-combustible material specified by the Building Standard Law. The incombustible material sheet 3 is formed by, for example, impregnating and applying an emulsion mainly composed of an inorganic filler and a synthetic resin on a glass base material, and applying a non-slip treatment to the surface. Sheet is used. The non-combustible material sheet 3 is not limited to this, and other various materials can be used as long as the material can acquire a predetermined non-combustible certificate. Moreover, it is preferable that this incombustible material sheet 3 is further waterproof. By laying the non-combustible material sheet 3 having waterproof properties on the base plate 20, it is not necessary to install roofing such as asphalt and to secure the waterproof property of the roof, thereby making the construction work easier. be able to.

  As shown in FIG. 4, the cross member 5 constituting the frame body 7 is made of an aluminum alloy, and has a long bottom plate portion 51 that abuts against the pier 4 and an edge on the eaves side N of the bottom plate portion 51. From the eaves-side receiving portion 52 that rises from the eaves-side receiving portion 52 that is bent upward and forms a flat surface 53 above the eaves-side N of the bottom plate portion 51, and the eaves-side receiving portion 52. Is formed in a cylindrical shape by a ridge-side receiving portion 54 that is bent at an upper position and forms a flat surface 55 above the ridge side M of the bottom plate portion 51. Between the eaves side receiving part 52 and the ridge side receiving part 54, an upper fixing piece 56 that extends upward and is bent at the upper part to form a flat surface 57 is formed, and the ridge side of the bottom plate part 51 is formed. M is formed with a lower fixing piece 58 that is formed in a flat plate shape along the bottom plate portion 51 and is fixed to the pier 4. Since the flat surface 55 of the ridge side receiving part 54 is formed at a high position and the flat surface 53 of the eaves side receiving part 52 is formed at a low position, the ridge side receiving part 54 and the eaves side receiving part 52 A step is formed between them. Further, the flat surfaces 53 and 55 of the ridge side receiving portion 54 and the eaves side receiving portion 52 are formed to be inclined by about 1 to 2 degrees so that the eaves side N spreads with respect to the bottom plate portion 51. The distance between the flat surface 55 of the ridge-side receiving portion 54 and the flat surface 57 of the upper fixing piece 56 is formed to be longer than at least the thickness of the solar cell module 8 and the vertical member 6.

  As shown in FIG. 5, the vertical member 6 constituting the frame body 7 is a long member formed of an aluminum alloy, and a cylindrical portion 61 formed in a cylindrical shape having a convex cross section at the center thereof, A joint portion 62 formed in a flat plate shape at a position lower than the tube portion 61 on both sides of the tube portion 61, and an inverted U-shape that is bent upward from the outer edge of the joint portion 62 and the upper surface 64 is flat. And a mounting portion 63 whose upper surface 64 is formed at a position lower than the cylindrical portion 61.

  As shown in FIG. 6, the solar cell module 8 is a panel formed in a rectangular flat plate shape, and the flat surfaces 53 and 55 of the ridge-side receiving portion 54 and the eaves-side receiving portion 52 of the cross member 5 and the vertical member 6. The respective end portions are fitted into the upper surface 64 of the mounting portion 63 and are mounted in a frame-like space defined by combining the cross member 5 and the vertical member 6 in a lattice shape. As shown in FIG. 7, a resin body 9 is interposed between the solar cell module 8 and the flat surfaces 53 and 55 of the ridge side receiving portion 54 and the eaves side receiving portion 52 of the cross member 5. The resin body 9 is formed to be elongated by, for example, ethylene-propylene-diene rubber (EPDM), and has elasticity and water tightness.

  A Z-shaped Z-shaped fixing material 10 made of an aluminum alloy is fixed to a flat surface 57 formed at the upper end of the upper fixing piece 56 of the cross member 5. The Z-shaped fixing member 10 is composed of two long plate-like pressing portions 10a and 10b having different heights and a connecting portion 10c that connects the two pressing portions 10a and 10b to each other. Then, the pressing portion 10a on the ridge side M and the ridge side receiving portion 54 are fixed by fixing the higher pressing portion 10a to the flat surface 57 of the upper fixing piece 56 with the fixing material fixing screw 11 toward the ridge side M. And the end portion of the solar cell module 8 are fixed between the pressing portion 10b on the eave side N and the eave side receiving portion 52. Further, as shown in FIG. 8, a flat plate-like center plate 12 wider than the upper surface 65 of the cylindrical portion 61 is fixed to the upper surface 65 of the cylindrical portion 61 of the vertical member 6 by a center plate fixing screw 13. . Thereby, the edge part of the solar cell module 8 mounted on the upper surface 64 of the mounting part 63 of the vertical member 6 is pressed down by the both sides of the center plate 12, and the solar cell module 8 is being fixed. A packing 12a made of ethylene-propylene-diene rubber (EPDM) is also interposed between the center plate 12 and the solar cell module 8.

  In addition, as shown in FIG. 9, rainwater that has poured onto the roof at the end of the solar cell module installation structure 1 closest to the ridge side M is prevented from flowing into the lower side of the solar cell module installation structure 1 as much as possible. In addition, an upper drainer 14 for guiding rainwater to the upper surface of the solar cell module 8 is provided, and as shown in FIG. Is provided.

  As described above, the solar cell module installation structure 1 installs the frame body 7 and the solar cell module 8 without installing a normal roof tile (not shown) by laying the incombustible material sheet 3 that has been certified incombustible. Therefore, the material cost and the work cost can be reduced, and the weight of the roof can be reduced. Moreover, since the solar cell module installation structure 1 is for mounting the solar cell module 8 in a frame-like space formed by assembling the vertical members 6 and the horizontal members 5 in a lattice shape, various dimensions of the solar cell modules 8 are provided. Accordingly, by appropriately cutting the cross member 5 and the vertical member 6, a frame-like space that matches the size of the solar cell module 8 can be formed, and the versatility is excellent.

  In the solar cell module construction method, the non-combustible material sheet 3 is laid on the field board 20 after fixing the field board 20 to the rafter 2 to form the roof base of the sloped roof. As described above, the non-combustible material sheet 3 has been certified non-combustible and preferably has waterproof properties. By laying the non-combustible material sheet 3, the step of laying the roofing on the field board 20 can be omitted. After laying the noncombustible material sheet 3 on the base plate 20, a plurality of piers 4 are installed on the noncombustible material sheet 3 in parallel with the longitudinal direction from the ridge side M to the eaves side N. To fix the pier 4 by driving in the pier fixing screw 16 at a predetermined interval. Then, as shown in FIG. 11, a plurality of cross members 5 cut in advance according to the dimensions of the solar cell module 8 are arranged at predetermined intervals from the ridge side M to the eaves side N so as to be orthogonal to the crosspiece 4. A cross member fixing screw 17a is driven from the lower fixing piece 58 of the member 5 toward the pier 4. At this time, the long screw 17 b is driven into an appropriate position of the lower fixing piece 58, and the long screw 17 b is fixed to the rafter 2 through the pier 4, the incombustible material sheet 3, and the field plate 20. Thereby, the cross member 5 can be firmly fixed to the structural frame of the building.

  Then, as shown in FIG. 12, the vertical member 6 is held so as to be installed on the plural horizontal members 5 installed, and one end of the vertical member 6 is mounted on the eaves side receiving portion 52 of the horizontal member 5 on the ridge side M. The other end of the vertical member 6 is placed on the ridge side receiving portion 54 of the cross member 5 on the eaves side N, and the vertical member 6 is installed. Then, the frame fixing screw 18 is driven so as to penetrate the ridge side receiving portion 54 and the eaves side receiving portion 52 of the horizontal member 5 from the joint portion 62 of the vertical member 6. Then, the resin body 9 is disposed on the ridge side receiving portion 54 and the eaves side receiving portion 52 of the cross member 5. When the solar cell module 8 to be installed is thin, a thick resin body 9 is arranged. When the solar cell module 8 is thick, a thin resin body 9 is arranged, so that the height of the upper surface of the solar cell module 8 is increased. Adjust. Further, the vertical member side packing 19 such as EPDM is also arranged on the upper surface 64 of the placing portion 63 of the vertical member 6. The longitudinal member side packing 19 disposed on the upper surface 64 of the resin body 9 and the placing portion 63 of the longitudinal member 6 disposed on the ridge side receiving portion 54 and the eaves side receiving portion 52 of the transverse member 5 includes the transverse member 5 and Before installing the vertical member 6, it is fixed in advance to the flat surfaces 53 and 55 of the ridge side receiving portion 54 and the eaves side receiving portion 52 of the horizontal member 5 and the upper surface 64 of the mounting portion 63 of the vertical member 6 with an adhesive or the like. It may be left.

  Then, as shown in FIGS. 7 and 8, the solar cell module 8 is fitted into a frame-like space defined by the frame body 7 formed by the cross member 5 and the vertical member 6. That is, the peripheral portion of the solar cell module 8 is placed on the ridge side receiving portion 54 of the cross member 5 and the flat surfaces 53 and 55 of the eaves side receiving portion 52 and the upper surface 64 of the placing portion 63 of the vertical member 6 on the resin body 9 or It mounts via the packing 19 for vertical members. After that, the Z-shaped fixing material 10 is fixed to the flat surface 57 formed at the upper end of the upper fixing piece 56 of the cross member 5 by the fixing material fixing screw 11, and the center is fixed to the upper surface 65 of the cylindrical portion 61 of the vertical member 6. The plate 12 is fixed with a center plate fixing screw 13. And while installing the upper drainer 14 in the edge part of the ridge side M of the solar cell module installation structure 1, the toilet drainer 15 is installed in the edge part of the eaves side N, and construction of the solar cell module 8 is completed.

  Thus, according to the solar cell module construction method of the present embodiment, the non-combustible material sheet 3 that has been certified as non-combustible is laid on the base plate 20, so that the solar cell module 8 itself has not been certified as non-combustible. However, the solar cell module 8 can be installed without installing a roof tile (not shown). Moreover, since the non-combustible material sheet 3 is waterproof, it is not necessary to lay a separate roofing, and the construction work can be simplified. Further, the cross member 5 and the vertical member 6 are cut in advance according to the dimensions of the solar cell module 8 to form the frame body 7, and the top of the cross member 5 on the ridge side receiving part 54 and the eaves side receiving part 52 is formed. Since the resin body 9 to be disposed is a thick resin body 9 when the solar cell module 8 to be installed is thin, and the thin resin body 9 is disposed when the solar cell module 8 is thick, the solar cells 8 of various sizes are arranged. The battery module 8 can be installed and is excellent in versatility.

  In the present embodiment, the frame body 7 is formed by assembling the cross member 5 and the vertical member 6 in a lattice shape. However, as shown in FIG. 13, a plurality of cross members 5 installed in parallel are used. In contrast, the longitudinal members 6 may be formed in a zigzag manner by shifting them. Further, as shown in FIG. 14, a part of the longitudinal member 6 may be formed so as to intersect with the transverse member 5 at an angle so that a part becomes a trapezoidal frame-like space. When formed as described above, the roof area can be effectively used even in the roof formed by the ridge side M being narrow and spreading to the eave side N.

  Further, as shown in FIG. 15, the ridge-side receiving portion 54 and the eaves-side receiving portion 52 formed on both side portions of the cross member 5 may be formed without a step. If it forms in this way, the solar cell module 8 will be arrange | positioned in parallel with respect to the gradient of a roof, and the edge part of the solar cell modules 8 installed adjacent to the ridge side M and the eaves side N will be flat without a level | step difference. Since they are arranged, the structure of the peripheral member such as the fixing member can be simplified, and the material cost can be reduced.

  Needless to say, the embodiment of the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the scope of the idea of the present invention.

  The solar cell module installation structure 1 and the solar cell module construction method according to the present invention can be suitably used as a structure and construction method for attaching the solar cell module 8 mainly installed on a sloped roof of a house.

DESCRIPTION OF SYMBOLS 1 Solar cell module installation structure 3 Non-combustible material sheet 5 Horizontal material 6 Vertical material 7 Frame body 8 Solar cell module 9 Resin body 10 Z-shaped fixing material (fixing material)
52 side reception part 54 building side reception part

Claims (9)

A solar cell installation structure in which a solar cell module is installed on a sloped roof,
A non-combustible material sheet laid on the field plate,
A frame disposed on the incombustible material sheet;
A solar cell module fixed on the frame;
A solar cell module installation structure comprising:   The solar cell module installation structure according to claim 1, wherein the non-combustible material sheet is a waterproof material. The frame is composed of cross members and vertical members arranged in a lattice or zigzag form,
The solar cell module installation structure according to claim 1 or 2, wherein a rectangular solar cell module is mounted in a frame-like space partitioned by the cross member and the vertical member.   The said cross member is equipped with the receiving part which can mount the edge part of a solar cell module in both sides, respectively, and the receiving part on the ridge side is higher than the receiving part on the eaves side. The solar cell module installation structure described.   The solar cell module has an end portion mounted on the receiving portion via a resin body having elasticity and water tightness, and a fixing material formed in a Z shape along the cross member is the solar cell. The solar cell module installation structure according to claim 4, wherein the solar cell module installation structure is fixed to the cross member while pressing an upper surface of the module. After fixing the base plate and forming the roof base of the sloped roof, laying a non-combustible material sheet on the base plate,
Thereafter, a cross member and a vertical member cut according to the dimensions of the rectangular solar cell module in advance on the incombustible material sheet are arranged in a lattice shape or a staggered shape to form a frame,
Then, the solar cell module construction method is characterized in that the solar cell module is mounted in a frame-like space partitioned by the frame body.   The solar cell module construction method according to claim 6, wherein the non-combustible material sheet is a waterproof material.   The cross member is provided with receiving portions having different heights on both side portions on which the end portions of the solar cell module can be placed, and the high side of the receiving portion is disposed on the ridge side of the sloped roof. The said horizontal member is installed, The solar cell module construction method of Claim 6 or Claim 7 characterized by the above-mentioned.   After arranging the resin body having elasticity and water tightness in the receiving part, the end part of the solar cell module is placed, and a fixing material formed in a Z shape along the cross member is used as the solar cell. 9. The solar cell module is mounted in the frame-like space partitioned by the frame body by fixing to the cross member from the upper side of the module and pressing an upper surface of the solar cell module. The solar cell module construction method of description.

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