JP2013064249A - Solar cell module installation structure on roof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an installation structure which allows a solar cell module to be installed on a roof using a support fitting through the use of the seam part of a horizontal roofing material for fixation, and eliminates or reduces the mixed aspect of the solar cell module and the horizontal roofing material so as to achieve a good-looking appearance.SOLUTION: A support fitting 1 is fixed through the use of the seam part of a horizontal metal roofing material 3. A frame 6 is mounted with the support fitting 1. A solar cell module 7 is fixed to the frame 6. An edge face of the solar cell module 7 on the verge side is opposite to the inside edge of a steel plate verge gable 106 across a clearance D2 of 200 mm or less.

Description

  The present invention relates to a roof solar cell module installation structure in which a solar cell module is installed on a roof.

  As a structure for installing the solar cell module on the roof, a structure in which the solar cell module itself is arranged on the roof as a tile is disclosed in Patent Document 1. Further, in Patent Document 1, a normal tile portion and the above-described structure are disclosed. It is disclosed that a decorative cover is disposed so as to provide continuity with a solar cell module. Further, Patent Document 2 discloses a structure in which a solar cell module is installed on a roof using a support fitting that is fixed to a hull portion of a horizontal roofing material (a connection portion between roofing materials).

JP-A-10-317598 Japanese Patent Laid-Open No. 10-231591

  However, the roof structure disclosed in Patent Document 1 has a drawback that a good aesthetic cannot be obtained because the tile area and the solar cell module installation area appear to be mixed on one roof surface. Moreover, even in the roof structure disclosed in Patent Document 2, the side roofing material is exposed except for the location where the solar cell module is installed, and the solar cell module and the side roofing material are mixed, giving a good aesthetic appearance. There is a disadvantage that it cannot be obtained.

  In view of the above circumstances, the present invention installs a solar cell module on a roof using a support fitting that is fixed by using a hull portion of a horizontal roof material, and the solar cell module and the horizontal roof material. It is an object of the present invention to provide a rooftop solar cell module installation structure that can eliminate or reduce the sense of mixing and obtain a good aesthetic appearance.

  In order to solve the above-described problems, the roof solar cell module installation structure of the present invention is configured such that the solar cell module is installed on the roof surface via a support fitting that is fixed by using a hull portion of the horizontal roofing material. And a keraba decorative member disposed so as to cover the horizontal roofing material adjacent to the gap between the keraba-side edge of the solar cell module located on the keraba-side of the roof and the keraba-constituting member. It is characterized in that the distance between and is within 200 mm.

  If it is said structure, it arrange | positions so that the space | interval of the edge of the solar cell module located in the keraba side of a roof, and the space | interval of a keraba component, or the said roofing material may be covered adjacent to the said keraba component. Since the distance between the keraba decorative member is within 200 mm, at least the exposure of the side roofing material on the keraba side is eliminated or reduced, and the solar cell module and the side roofing material are mixed. The feeling can be eliminated and a good aesthetic can be obtained.

  In the above-described roof solar cell module installation structure, a wing decorative member is disposed between the solar cell module located on the roof ridge side and the wing component so as to cover the side roof material. Good. With this configuration, the exposure of the side roofing material is eliminated or reduced on the ridge side.

  The wing decorative member may have a ventilation portion communicating with the space on the back surface side of the solar cell module. With such a configuration, an air flow formed on the back surface side of the solar cell module can be passed to the building side to suppress an increase in temperature of the solar cell module and to maintain good power generation efficiency.

  In the above-described roof solar cell module installation structure, the lower end of the solar cell module located at the eaves of the roof is preferably located outside the lower end of the side roofing material located at the eaves of the roof. With this configuration, the exposure of the side roofing material is eliminated or reduced even at the eaves of the roof.

  In the above-described roof solar cell module installation structure, the eaves of the roof may be provided with an eaves cover positioned so as to go downward from the lower end of the solar cell module located at the eaves of the roof. . With such a configuration, the lower end of the side roofing material located at the eaves of the roof becomes difficult to be seen by the eaves cover, and the aesthetics are further improved.

  In the above roof solar cell module installation structure, the eaves of the roof include a first receiving part that receives the lower end of the roofing roof material and a second end that receives the lower end of the solar cell module located at the eaves of the roof. A receiving metal fitting having a receiving part is preferably arranged. With such a configuration, it is not necessary to separately prepare and arrange the metal fitting for receiving the back side of the water bottom of the side roof material and the water bottom of the solar cell module, and the workability is improved.

  The above roof solar cell module installation structure is constructed on one roof surface with the ridge as the boundary, and the roof material heavier per unit area than the above-mentioned side roof material is spread on the other roof surface. It may be. With such a configuration, it becomes easy to obtain a weight balance of the roof. On the other hand, the above solar cell module installation structure on the roof is constructed on one roof surface with the ridge as the boundary, and the other roof surface has the same or light weight per unit area as the above-mentioned roofing roof material May be sown. With this configuration, the overall weight of the roof can be reduced.

  According to the present invention, a solar cell module is installed on the roof using a support fitting that is fixed using a hull of the side roof material, and the mixed feeling of the solar cell module and the side roof material is eliminated. As a result, various effects such as a good aesthetic appearance can be obtained.

It is explanatory drawing which showed the roof solar cell module installation structure which concerns on one Embodiment of this invention. 1A and 1B are partially enlarged views of FIG. 1A is an explanatory view showing a keraba portion on one side of the roof solar cell module installation structure of FIG. 1, and FIG. 1B is an explanatory view showing a keraba portion on the other side. . It is explanatory drawing which showed the ridge part of the roof top solar cell module installation structure of FIG. It is explanatory drawing which showed the eaves part of the roof top solar cell module installation structure of FIG. 1A is a front view of a metal fitting disposed at the eaves portion of the roof solar cell module installation structure in FIG. 1, FIG. 1B is a plan view, and FIG. 1C is a side view. is there. FIG. 1A is a plan view of a support metal fitting used in the roof solar cell module installation structure of FIG. 1, and FIG. 1A is a plan view of a reinforcing metal fitting used in the roof solar cell module installation structure of FIG. 1, FIG. 1B is a rear view, and FIG. 1C is a side view. (A), (B), and (C) show a process of attaching a metal side roofing material and a support fitting on a field plate as a stage before obtaining the roof solar cell module installation structure of FIG. It is explanatory drawing. It is explanatory drawing which showed the roof structure by which the metal horizontal roofing material and the support metal fitting were arrange | positioned on the field board by the operation | work shown in FIG.

  Next, a roof solar cell module installation structure according to an embodiment of the present invention will be specifically described with reference to the accompanying drawings. In addition, the roof top solar cell module installation structure according to the present invention is not limited to the one shown in the following embodiment, and can be implemented with appropriate modifications within a range not changing the gist thereof.

  FIG. 1 is an explanatory view showing a roof solar cell module installation structure according to an embodiment of the present invention. A plurality of metal side roofing materials 3 are disposed on the base plate 101 of the roof 100, and the support metal fitting 1 is fixed using the helix 30 of the metal side roofing material 3. A body fixing hole 1b is formed in the main body 1a of the support metal 1, and a bolt in the mounting bolt / nut 2 is inserted through the mounting base fixing long hole 1b. A gantry 6 is mounted on the support bracket 1. And the solar cell module 7 is fixedly supported by the fixing | fixed part 61 provided in the upper surface of the said mount frame 6. FIG. The solar cell module 7 is spread using the entire roof 100. A eaves 103 is fixed to the eaves nose cover 102, and an eaves top plate 105 is disposed between the eaves 103 and the outer wall panel 104.

  2 (A) and 2 (B) are enlarged views showing the arrangement location of the gantry 6 shown in FIG. 1 in an enlarged manner. The gantry 6 is formed by fixing a fixing portion 61 made of an aluminum material with a screw 63 on the upper surface of a main body portion made of, for example, a bent steel plate. The nut portion 62 into which the screw 63 is screwed is formed at a plurality of locations, and the fixing position of the fixing portion 61 with respect to the main body portion can be changed. The fixing portion 61 has a substantially E-shaped cross section in which a receiving portion for receiving the edge of the solar cell module 7 on the water side and a receiving portion for receiving the edge of the solar cell module 7 on the water side are formed in a back-facing state. . A packing member 61 a is mounted between the receiving portion of the fixed portion 61 and the edge of the solar cell module 7. A convex piece is provided at the lower end of the gantry 6 on the side opposite to the side on which the mounting bolts and nuts 2 are mounted, and the convex piece is locked to the gantry fixing long hole 1b. Thus, the movement of the gantry 6 may be regulated.

  3 (A) and 3 (B) are explanatory diagrams showing keraba locations in the above-described roof solar cell module installation structure. In the structure shown in FIG. 3A, the metal side roof material 3 is covered between the keraba side edge of the solar cell module 7A located on the keraba side of the roof and the steel plate keraba gust (keraba constituent member) 106. Thus, the keraba decorative member 108 is provided.

  The height of the keraba decorative member 108 is set to be flat from the upper surface of the steel plate keraba gust 106 to the upper surface of the solar cell module 7A. And the keraba side edge part of the said keraba decorative member 108 reaches the side surface through the upper surface of the said steel plate keraba gust 106, and is fixed to the said steel plate keraba blast 106 with the screw | thread 106a. In addition, at the end of the keraba decorative member 108 on the roof side, a descending step portion is formed at a location facing the keraba side edge of the solar cell module 7A, and a shape entering the back side of the keraba side edge is formed. A fixing bracket 108a having a width of about 80 mm is provided. The fixing metal 108 a is fixed to the support metal 1. Further, a block member 108b is disposed at an overlapping portion of the fixing metal fitting 108a and the keraba decorative member 108, and the keraba decorative member 108 and the fixing metal fitting 108a are fastened to the block member 108b by screws 108c. . And the space | interval D1 of the edge surface of the said keraba side of the said solar cell module 7A and the end surface of the said keraba decorative member 108 shall be 200 mm or less (preferably less than 100 mm thru | or 50 mm).

  On the other hand, in the structure shown in FIG. 3B, the edge surface on the keraba side of the solar cell module 7A located on the keraba side of the roof and the inner edge of the steel plate keraba blast 106 face each other with a gap D2. . The inner edge of the steel plate keraba blast 106 protrudes toward the roof and faces the upper side of the metal side roofing material 3. The distance D2 is within 200 mm (preferably within 100 mm or within 50 mm), and is 27 mm in this embodiment. It should be noted that the keraba on both sides of the roof 100 may adopt the structure shown in FIG. 3A or the structure shown in FIG. 3B, and one keraba is shown in FIG. 3A. The structure may be adopted, and the other keraba may adopt the structure shown in FIG.

  FIG. 4 is an explanatory view showing a ridge location in the above-described roof solar cell module installation structure. A wing decorative member 109 is disposed between the solar cell module 7B located on the ridge side of the roof 100 and the wing ventilation unit cover (building component member) 110 so as to cover the metal side roof material 3. The underwater side end of the wing decorative member 109 reaches the fixing portion 61 of the gantry 6, and the ward decorative member 109 is arranged to be flat with respect to the surface of the solar cell module 7B. One end side of a fixing bracket 109a having a substantially Z-shaped cross section and a width of about 50 mm is fixed to the back surface of the wing decorative member 109 with water by a screw or the like, and the other end side of the fixing bracket 109a is a ridge. It is fixed to the end support fitting 1E by using the mounting bolt / nut 2 described above. Since the fixing bracket 109a has a width of about 50 mm and is spaced from each other as described above, the water surface of the solar cell module 7B is not closed by the wing decorative member 109. Further, an upright portion is formed in a stepped shape on the water upper side of the wing decorative member 109, and the rim of the water upper side of the wing decorative member 109 is inserted below the inner cover portion of the wing ventilation portion cover 110. And are fixed by screws 111. A plurality of vent holes 109b are formed in the elevation surface portion. That is, the wing decorative member 109 has a gap between the vent hole 109b and the fixing bracket 109a as a vent portion communicating with the space on the back surface side of the solar cell module 7.

  Moreover, in this embodiment, as shown in the said FIG. 4, the said roof top solar cell module installation structure is comprised by one roof surface on the boundary of a ridge (building ventilation part cover 110), and the other On the roof surface, a roof material 107 made of slate tile or the like, which is heavier per unit area than the metal side roof material 3, is spread, and the solar cell module 7 is not installed.

  FIG. 5 is an explanatory diagram showing eaves portions in the above-described roof solar cell module installation structure. A stopper 112 is fixed to the front end of the eaves of the roof 100 with screws 31. The stoppers 112 are a first receiving part 112a for receiving the back side of the water lower end of the metal side roofing material 3 and a second receiving part 112b for receiving the water lower end of the solar cell module 7C located on the eaves side of the roof 100. Have A packing member 112h is mounted between the second stopper 112b and the edge of the solar cell module 7C. The lower end of the solar cell module 7C located at the eaves tip of the roof 100 is positioned outside the lower end of the metal side roofing material 3 located at the eaves tip of the roof 100. Moreover, the eaves edge cover 113 located in the eaves edge of the said roof 100 is located so that it may go to a downward side from the water lower end of the said solar cell module 7C. The eaves edge cover 113 is fixed to the stopper metal 112 with screws 112d.

  6A and 6B are views showing the stopper 112, FIG. 6A is a front view, FIG. 6B is a plan view, and FIG. 6C is a side view. The stopper 112 is obtained by fixing the second receiving portion 112b to the upper surface portion of the steel plate body portion 112c bent into a substantially U shape with screws 112d. The second receiving portion 112b has a piece to which the screw 112d is attached at both ends in the width direction, and a portion between the pieces is bent to form a notch formed on the upper surface of the steel plate body 112c. It passes through the portion 112e and is located on the back side of the upper surface portion. In addition, the second receiving portion 112b has a portion that rises from the one portion, and has a portion that is bent from the rising portion and faces the upper surface portion of the steel plate body portion 112c. A part of the central portion of the lower surface portion of the steel plate body 112c is sheared to form a tongue piece, and the tongue piece is bent in a step shape to form the first receiving portion 112a. . In addition, an opening 112f that guides rainwater to the trough 103 is formed in the vertical surface portion of the steel plate main body 112c.

  FIGS. 7A and 7B are views showing the support fitting 1, wherein FIG. 7A is a plan view and FIG. 7B is a side view. The said support metal fitting 1 has the length from the water lower end of the said metal horizontal roofing material 3 to the water upper end, and has the eaves side insertion piece 11 in the eaves side end. This eaves side insertion piece 11 is formed by bending the main body eave side end of the support metal fitting body 1a. On the eaves side insertion piece 11, a rising piece 11a is formed by bending. When the eaves-side insertion piece 11 is inserted into the hull 30, a pressing force by a mallet or the like is applied to the support fitting 1, but the pressing force is increased by forming the rising piece 11 a. Is easier to add. A through screw hole 1c is formed in the support metal fitting body 1a, and a metal fixing bolt 4 is provided in the through screw hole 1c. The metal fitting fixing bolt 4 is attached to the support metal fitting body 1a and presses the upper surface of the hull portion 30 of the metal side roofing material 3 at the front end of the bolt. In addition, the mounting base 1a is formed with the mount fixing hole 1b.

  The main body ridge side end of the support bracket main body 1a is formed to have a narrower width than the main body eave side end, so that the end portions of the support brackets 1 and 1 can be arranged. A through-hole portion 1d is formed at a location that is the upper surface of the protruding piece 13 at the end of the support bracket body 1a on the main body ridge side. The through-hole portion 1d is present at a position where the convex portion of the through-screw hole 1c of the support fitting 1 located on the upper side fits when the end fitting arrangement of the support fittings 1 and 1 is performed. . Further, bent portions 1e for improving the strength are formed on both lateral portions of the support metal fitting body 1a.

  FIG. 8 is a view showing the reinforcing member 5, where FIG. 8A is a plan view, FIG. 8B is a rear view, and FIG. 8C is a side view. The reinforcing member 5 is a stepped member having an upper plate 51, a lower plate 52, and a rising portion 53 that connects them. The lower plate 52 is formed with a screw through hole 52a.

  FIG. 9 is an explanatory view showing a process of arranging the support metal fitting 1 while rolling the metal side roof using the metal side roof material 3 and the reinforcing member 5. As shown in FIG. 9A, the metal side roofing material 3 is arranged on the field board 101, and further the lower plate 52 of the reinforcing member 5 is placed on the fixing portion 3c of the metal side roofing material 3. Then, the screw 31 is passed through the screw through hole 52a and fixed to the base plate 101. Next, as shown to the same figure (B), another metal side roof material 3 is arrange | positioned on the water surface of the fixed field board 101. FIG. At this time, the folding engagement portion 3a on the lower side of the metal side roofing material 3 located on the water side is engaged with the folding engagement portion 3b on the waterside of the metal side roofing material 3 located on the water side. Let And the said support metal fitting 1 is arrange | positioned as shown to the figure (C).

  If it arrange | positions in this way, as shown in FIG. 10, adjacent support metal fittings 1 and 1 will be arrange | positioned so that the edge part may overlap. The upper plate 52 of the reinforcing member 5 is located on the lower surface side of the roof material 3 on the waterside in the roof portion 30 of the roof and receives the pressing of the metal fitting fixing bolt 4.

  In addition, the support metal fitting 1 is not limited to the one having the above-described superposed configuration, and a support metal fitting having a structure that has a ridge-side insertion piece on the water side and is not superposed may be used. Any structure may be used as long as the metal roofing material 3 is fixed to the roof using the hull 30.

  In the above-described roof solar cell module installation structure, as shown in FIG. 3A, the distance D1 between the keraba side edge surface of the solar cell module 7A and the end surface of the keraba decorative member 108 is within 200 mm. Has been. Further, as shown in FIG. 3B, in the structure portion in which the edge surface on the keraba side of the solar cell module 7A and the inner surface of the steel plate keraba blast 106 face each other directly with a distance D2. The distance D2 is within 200 mm. Thereby, as many solar cell modules 7 as possible are laid on the entire surface of the roof 100, and at least the exposure of the metal side roofing material 3 on the keraba side is eliminated or reduced, and the solar cell module 7 and the metal side roofing material are eliminated. 3 can be eliminated and a good aesthetic appearance can be obtained. Moreover, since the solar cell module 7 is installed without making a hole in the roof 100 covered with the metal side roofing material 3, there is no concern about rain.

  If the keraba decorative member 108 is not provided and the solar cell module 7 and the steel plate keraba gust 106 have a concave shape, the snow accumulated in the concave portion pushes the keraba decorative member 108. There is a risk of load. As described above, by arranging the keraba decorative member 108 between the solar cell module 7 and the steel plate keraba breezes 106, the possibility of such load generation can be avoided.

  Further, as shown in FIG. 4, a wing decorative member 109 is interposed between the solar cell module 7 </ b> B located on the ridge side of the roof 100 and the wing ventilation section cover (building member) 110. Therefore, the exposure of the metal side roofing material 3 is also eliminated or reduced on the ridge side. Further, since the wing decorative member 109 has a ventilation portion (a gap between the fixing brackets 109a and a ventilation hole 109b) communicating with the space on the back surface side of the solar cell module 7, the back surface side of the solar cell module 7 is provided. Thus, the air flow formed in the solar cell module 7 is allowed to pass to the building side to suppress the temperature rise of the solar cell module 7 and to keep the power generation efficiency good.

  Further, as shown in FIG. 5, the eaves end of the roof 100 receives the first receiving portion 112 a that receives the back side of the lower end of the metal side roofing material 3 and the lower end of the solar cell module 7 </ b> C. A receiving metal fitting 112 having a second receiving portion 112b is provided. Thereby, it becomes unnecessary to prepare and arrange | position the metal fitting which catches the back surface side of the water lower end of the said metal horizontal roofing material 3, and the water lower end of the said solar cell module 7, and improves workability | operativity.

  Furthermore, as shown in FIG. 5, the lower end of the solar cell module 7 </ b> C located at the eaves tip of the roof 100 is positioned outside the lower end of the metal side roofing material 3 located at the eaves tip of the roof 100. Exists. Thereby, also in the eaves of the said roof 100, the exposure of the said metal side roofing material 3 is eliminated or reduced, and the beauty | look is further improved.

  Moreover, since the eaves edge of the said roof 100 is located in the eaves edge of the said roof 100, the eaves edge cover 113 located so that it may go to the downward side from the water lower end of the solar cell module 7C located in the eaves edge of the said roof 100 is arrange | positioned. It becomes difficult to see the lower end of the water of the above-mentioned metal side roofing material 3 and the aesthetic appearance is further improved.

  In addition, as shown in FIG. 4, the above-described solar cell module installation structure on the roof in which the solar cell module 7 is arranged on the roof lined with the metal horizontal roofing material 3 is bordered by the building (building ventilation portion cover 110). The solar cell module 7 is covered with a roof material 107 made of slate tile or the like that is heavier per unit area than the metal side roof material 3 on the other roof surface. It is not installed. Thereby, it becomes easy to obtain a weight balance between the one roof surface on which the solar cell module 7 is disposed and the other roof surface on which the solar cell module 7 is not disposed.

  On the other hand, although not shown, the roof solar cell module installation structure in which the solar cell module 7 is arranged on the roof lined with the metal side roof material 3 is bordered by the building (building ventilation section cover 110). It is configured on one roof surface, and the other roof surface is covered with a roof material having the same or light weight per unit area as that of the metal side roof material 3 so that the solar cell module 7 is not installed. Good. In this case, the weight of the entire roof 100 can be reduced.

DESCRIPTION OF SYMBOLS 1 Support bracket 2 Mounting bolt 3 Metal side roofing material 4 Bracket fixing bolt 5 Reinforcing bracket 7 Solar cell module 100 Roof 101 Field plate 106 Steel plate keraba blast (Keraba component)
107 Roofing material (heavier than metal roofing material)
108 Keraba makeup member 109 Building makeup member 110 Building ventilation part cover (building component)
112 receiving bracket 112a first receiving portion 112b second receiving portion 113 eaves edge cover

Claims (8)

  The solar cell module is installed on the roof surface via a support bracket that is fixed using the hull of the side roofing material, and the keraba side edge and keraba configuration of the solar cell module located on the keraba side of the roof The on-roof solar cell module installation characterized in that the distance from the member, or the distance from the keraba decorative member disposed so as to cover the side roof material adjacent to the keraba component is within 200 mm Construction.   The roof solar cell module installation structure according to claim 1, wherein a wing decorative member is disposed between the solar cell module located on the ridge side of the roof and the wing component so as to cover the side roof material. A rooftop solar cell module installation structure characterized in that   The roof solar cell module installation structure according to claim 2, wherein the wing decorative member has a ventilation portion communicating with the space on the back surface side of the solar cell module. Construction.   4. The on-roof solar cell module installation structure according to claim 1, wherein the bottom end of the solar cell module located at the eaves of the roof is a side roofing material located at the eaves of the roof. The on-roof solar cell module installation structure, characterized in that it is located outside the lower end of the water.   The roof solar cell module installation structure according to any one of claims 1 to 4, wherein the roof eaves are directed downward from a water lower end of the solar cell module located at the eaves of the roof. An on-roof solar cell module installation structure, characterized in that an eaves tip cover located at is arranged.   The roof solar cell module installation structure according to any one of claims 1 to 5, wherein the roof eaves include a first receiving part that receives a water lower end of the side roofing material and the eaves of the roof. The roof solar cell module installation structure characterized by the fact that a receiving metal fitting having a second receiving portion for receiving the lower end of the water of the solar cell module located at is disposed.   The on-roof solar cell module installation structure according to any one of claims 1 to 6 is configured on one roof surface with a ridge as a boundary, and the other roof surface is made of the above-mentioned side roof material. A rooftop solar cell module installation structure characterized in that a roof material having a heavy weight per unit area is sown. The roof solar cell module installation structure according to any one of claims 1 to 6 is configured on one roof surface with a ridge as a boundary, and the other roof surface includes the side roof material and A roof solar cell module installation structure characterized in that a roof material having the same or light weight per unit area is sown.

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