JPH1150621A - Waterproof structure of roof panel with solar cell - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure the sealing properties of sections, where solar cells are installed to a roof, and the sealing properties of the sections, where solar cell panels are joined mutually, sufficiently. SOLUTION: The waterproof structure of the roof panels with the solar cells is formed in structure, in which a plurality of the roof panels with the solar cells (or the roof panels 10 with the solar cells or solar cell modules 19) are held at the edge section of a panel holding member while the panel holding member is fixed onto the roof panel by screws 24 held to the panel holding member. The panel holding member has first members, into which connecting members are penetrated, upper holding members 22 mounted on a foundation panel 16 and the upper holding members 22 (lower holding members and the first members) and cover panels 23 (second members), and stepped sections for sealing erected while being placed among the edge sections of the first members and the screws 24 are formed to the first members at that time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof structure for a roof panel with solar cells, which is installed on a roof panel of a building by providing a junction between a plurality of solar cells with a waterproof function.

[0002]

2. Description of the Related Art In recent years, it has been practiced to utilize solar energy effectively by arranging a plurality of solar cell panels side by side on a roof of a house to generate power, and utilizing the power from the solar cell panels. I have. The solar cell panel installed on the roof is a unit formed by joining a plurality of solar cell modules (for example, see Japanese Patent Application Laid-Open No. 3-19956).
No. 6).

[0003]

However, when such a solar cell panel is installed on a roof, the solar cell panel is not installed on a roof tile but on a roof (roof frame) as a roof tile. It is considered to be installed directly. In this case, it is desirable to improve the sealing property of the part where the solar cell panel is attached to the roof and the sealing property of the part where the solar cell panels are joined together.

Accordingly, an object of the present invention is to provide a waterproof structure of a roof panel with a solar cell, which can sufficiently secure the sealing property of a part for attaching a solar cell to a roof and the sealing property of a part for joining solar cell panels. It is assumed that.

[0005]

In order to achieve this object, a first aspect of the present invention is a panel in which a plurality of solar panels are juxtaposed on a roof panel and extend along an edge of the solar panels. A holding member is provided, the solar cell panel is held at an edge of the panel holding member, and the panel holding member is fixed to the roof panel by a fastening member held by the panel holding member. A waterproof structure for a roof panel with a battery, wherein the panel holding member includes a first member through which the fastening member passes, and a second member mounted on the first member. A step for sealing is provided between the fastening member and a standing step, and a waterproof structure is provided for the roof panel with solar cells provided in the first member.

According to a second aspect of the present invention, the plurality of steps are provided in the first member, and the plurality of steps are set in a step-like manner in such a manner as to gradually increase as the position is closer to the fastening member. It is characterized by.

According to a third aspect of the present invention, the first member is a lower holding member extending along an edge of the solar cell panel,
The second member is an upper holding member provided with a dovetail-shaped fastening member holding recess extending in the longitudinal direction on the lower surface side, and the head of the fastening member can be adjusted in the longitudinal direction in the fastening member holding recess. It is characterized by being held.

According to a fourth aspect of the present invention, the first member is a holding member through which the fastening member passes, and the second member is a cover panel that covers an upper surface of the holding member and a head of the fastening member. It is characterized by.

The invention according to claim 5 is characterized in that the holding member is a lower holding member and an upper holding member mounted on the lower holding member.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

<First Embodiment> In FIG. 1 (a), reference numeral 1 denotes a house on the near side where the depth of the building is narrow, 2 denotes a house on the rear side where the depth of the building is wide, and 3 denotes an outer wall panel of the house 1. Numeral 4 denotes a wall panel (house wall) of the house unit 2. This wife wall panel 4
Stands vertically from the edge of the house 1.

Further, in FIG. 1, reference numeral 6 denotes a roof panel of the house part 1, and reference numeral 7 denotes a solar cell panel assembly which is a part of the roof panel 6. This solar cell panel assembly 7 is shown in FIG.
As shown in (a) and (b), roof panels with solar cells (solar cell panels) 8, 8 and a unit joined body (unit panel holding material) 9 for joining the roof panels with solar cells 8, 8 to each other
Having.

The roof panel with solar cells 8 comprises a plurality of roof panels with solar cells (solar cell panels) 10, 10.
And a panel joined body (panel holding member) 11 for joining adjacent roof panels 10 with solar cells.

The roof panel 10 with solar cells is shown in FIG.
A roof panel 12 formed in a rectangular shape as shown in FIG.
2, a roofing sheet 13 attached to the upper surface of the roof panel 12 as shown in FIGS. 2, 4 to 6, and a part of a lower holding member attached to left and right edges of the roofing sheet 13. It has vertical edge frames 14 and 14 (part of the first member) and a vertical central frame 15 (part of the first member) as a part of a lower holding member attached between the left and right central portions of the roofing sheet 13. .

As shown in FIGS. 4 to 6, the vertical frame 14 extends along the edge of the roof panel 12.
and a narrow plywood 14 extending along the edge of the vertical bar 14a.
b. The vertical center frame 15 is shown in FIG.
As shown in the figure, the vertical bar 15a is made of a single plate, and a narrow plywood 15b is mounted on the left and right centers of the vertical bar 15a.

In addition, the roof panel 10 with solar cells is provided on the left and right frames 14, 14 and between the frames 14, 14 and is provided on the roofing sheet 13 and the vertical center frame 15. As a lower holding member (part of the first member). The roofing 13 covers the end faces of the vertical rail 15a and the plywood 15b and extends to above the plywood 15b.

On the left and right edges of the base panel 16,
As shown in FIGS. 4 and 5, steps D1, D2, D3 provided in steps along the vertical rail 14a and the plywood 14b and step surfaces S1, S2 between the steps D1, D2, D3 are formed. I have. The step D3 is formed by projecting a vertically extending flange f1 on the step surface S2.

The center of the base panel 16 has the same structure as the left and right edges. Therefore, the same and similar portions as the left and right edges of the base panel 16 will be described with the same reference numerals. Therefore, the description will be given with the same reference numerals.

That is, in the center of the base panel 16, the vertical rail 1
Steps D1, D2, D3 for sealing provided in steps along the 5a and the plywood 15b and step surfaces S1, S2 between the steps D1, D2, D3 are formed. This step D1,
D2 and D3 are set stepwise so as to become higher toward the center. The step D3 is formed by projecting a vertically extending flange f1 on the step surface S2. Moreover, a recess 17 is formed between the flanges f1 and f1. These steps D1, D2, D
Since 3 and parts related thereto are provided symmetrically in the left and right, in the figure, for convenience of illustration, only one side is denoted by a reference numeral and the other is omitted.

Further, the roof panel with solar cells 10 is composed of a number of horizontal frames 18 disposed between the frames 14 and 15 at an interval above and below, and the frames 14, 15 and 18 being positioned on the base panel 16. And a square-panel-shaped solar cell module 19 (solar cell panel) disposed therebetween. As shown in FIG. 2A, a mounting groove 18a extending left and right is formed in the horizontal frame 18, and a vertical edge of the solar cell module 19 is formed in the mounting groove 18a.
0 is fixed.

On the vertical center frame 15, a base panel 1
A central module joined body (central module joining means) 21 is disposed above the center 6. The center module assembly 21 has an upper holding member 22 extending vertically along the vertical center frame 15 and a cover panel (inter-panel decorative cover) 23 covering the upper holding member 22. Here, when the base panel 16 as the lower holding member is the first member, the upper holding member 22 is the second member, and when the upper holding member 22 of the central module assembly 21 is the first member, the cover panel 23 is the first member. It becomes two members.

The upper holding member 22 has thick holding portions 22a, 22a protruding downward on both left and right sides, and has a U-shaped cross section channel 2 bulging downward in the center.
2b. The upper holding member 22 is provided in the channel portion 2.
A screw (fastening member) 24 that penetrates the bottom of the base 2b, the base panel 16, and the plywood 15b is fixed to the vertical rail 15a by screwing it to the vertical rail 15a. A urethane resin side edge portion of the solar cell module 19 is hermetically fixed via a seal member 25 between the holding portion 22a and the floor section S1. This seal member 25 has a primary waterproof function.

Further, the upper holding member 22 has a flange 22c protruding downward and extending along the vertical bar 14a, and a cover mounting groove 22d opened to the side of the holding portion 22a.
Having. This flange 22c is provided with a channel portion 22b.
And the holding portion 22a and outside the step D3, and a lower end thereof is elastically contacted with the floor section S2. Moreover, the sealing sheet 25a, which is in contact with the side surface of the flange 22c opposite to the step S2, is elastically contacted with the lower surface of the upper holding member 22 and the floor section S2. The sealing sheet 25a and the step D2 have a secondary waterproof function, the elastic contact portion of the flange 22c with the floor section S2 has a tertiary waterproof function, and the step D3, ie, the flange f1, has a quaternary waterproof function. have.

In addition, the upper holding member 22 is formed with sealing steps d1, d2, and d3 so as to be stepwise higher from the left and right edges toward the center.
Floor sections S3 and S4 are formed between them.

The folded portions 23a, 23a on both sides of the cover panel 23 are fitted in the cover mounting grooves 22d, 22d. The upper wall 23b of the cover panel 23 is elastically and elastically contacted on the floor section S4 by its own elastic force. The cover panel 23 has a head 24 a of the screw 24.
And the upper surface of the upper holding member 22. This cover mounting groove 22d and the cover mounting groove 22 of the folded portion 23a
d has a primary waterproofing function, the step d2 has a secondary waterproofing function, and the elastic contact portion between the upper wall 23b and the floor section S4 has a tertiary waterproofing function. d3 has a fourth waterproof function.

As described above, the steps d1 to d3, D1 to D3 and the first to fourth waterproof structures, which increase stepwise toward the screw 24 side, make the upper and lower holding members 2 on the base panel 16 possible.
The rainwater is prevented from moving to the center side of the upper part 2 and leaking downward from the screw 24 portion.

In the above-described structure of the unit assembly 9 and the panel assembly 11, the bolts (fastening members) 26, the nuts 27, and the holding plates 28 are used instead of the screws 24 in the structure of the central module assembly 21. Since the structure is substantially the same as that of the central module assembly 21, the same members and similar members are denoted by the same reference numerals, and description thereof will be omitted.

Further, in the unit joined body 9, a unit joined portion 29 for joining the roof panels with solar cells 8, 8 and a module holding portion 30 for holding the solar cell module 19 are provided.
Are provided apart from each other. That is, the plywood 14b described above
Is fixed on one end of the vertical rail 14a on the side of the solar cell module 19, and a plywood 14c for unit joining is connected to the vertical rail 14a.
a is fixed on the other end. Then, a cover panel (inter-unit decorative cover) 31 straddling between the plywoods 14b, 14b of the adjacent roof panels with solar cells 8, 8, is attached to the vertical rail 14
a, 14a and plywood 14c, 14c are provided as underlying panels. On the cover panel 31, a unit joint portion 29 having substantially the same structure as the central module joint body 21 other than the holding structure of the solar cell module 19 is provided.

(Second Embodiment) In the embodiment described above,
The present invention is not necessarily limited to the example in which the cover panel 23 is provided. For example, as shown in FIG. 7, the packing P is provided between the head 24a of the screw 24 and the upper holding member 22.
May be interposed. In this case, the cover panel 23 can be omitted. In the present embodiment, the holding portions 22a on both sides of the upper holding member 22 described above are not folded to be thick, but are simply turned back to reduce the overall weight.

(Third Embodiment) In the example described above, since the screw 24 penetrates the upper holding member 22, the upper holding member 22 is covered with the cover panel 23. It is not limited to the structure. For example, as shown in FIGS. 8 and 9, a holding portion 40 having an H-shaped cross section is provided on the lower surface side of the upper holding member 22 as a second member, and a dovetail-shaped fastening extending in the longitudinal direction is provided on the holding portion 40. A member member holding recess 41 is provided to hold a head 42a of a bolt 42 as a fastening member in the fastening member member holding recess 41 so as to be position-adjustable in the longitudinal direction, and a lower end of the bolt 41 is adjacent to the adjacent solar cell panel 10. , 10 roof panels 12, 1
2 and a holding plate 44 is protruded downward from the space between the roof panel 1 and the nut 43 screwed to the tip of the bolt 42.
You may make it press on 2,12.

(Fourth Embodiment) In the above-described embodiment, the base panel 16 is provided. However, the present invention is not limited to this. For example, as shown in FIG. 10, the upper holding member 22 is directly penetrated through the
May be screwed on. In FIG. 10, a central module joined body 21 'having a structure in which the step d2 of the central module joined body 21 described above is omitted and only the steps d1 and d3 are provided. This structure can also be applied between the solar cell roof panels 10 as shown in FIGS.

(Fifth Embodiment) FIG. 13 shows that a caulking member 50 having a head 50a is provided instead of the bolt 26, the nut 27 and the holding plate 28 shown in FIG.
In the example shown, the tip of 0 is formed with two caulking pieces 50b, 50b, and the caulking pieces 50b, 50b are pressed against the lower surfaces of the roof panels 12, 10 on the left and right solar panels 10, 10 by caulking. is there.

[0033]

As described above, according to the first aspect of the present invention, a plurality of solar battery panels are juxtaposed on a roof panel, and a panel holding member extending along an edge of the solar battery panel is provided. A solar panel with a solar cell, wherein the solar cell panel is held at an edge of the panel holding member, and the panel holding member is fixed to the roof panel with a fastening member held by the panel holding member. A waterproof structure, wherein the panel holding member includes a first member through which the fastening member penetrates, and a second member mounted on the first member, between the edge of the first member and the fastening member. The first step is provided with a sealing step that is provided in the first member, so that the sealing property of the part for attaching the solar cell to the roof and the sealing property of the part for joining the solar cell panels are sufficiently improved. Sure It can be.

Further, in the invention according to claim 2, the step is the first step.
A plurality of members are provided, and the plurality of steps are set in a step-like manner in a direction in which the steps are gradually increased as they are located on the fastening member side. Intrusion can be prevented.

According to a third aspect of the present invention, the first member is a lower holding member extending along an edge of the solar cell panel.
The second member is an upper holding member provided with a dovetail-shaped fastening member holding recess extending in the longitudinal direction on the lower surface side, and the head of the fastening member can be adjusted in the longitudinal direction in the fastening member holding recess. Since it is configured to be held, the cover panel of the second member is not required.

According to a fourth aspect of the present invention, the first member is a holding member through which the fastening member penetrates, and the second member is a cover panel covering an upper surface of the holding member and a head of the fastening member. Accordingly, waterproofing between the upper holding member and the cover panel can be performed.

According to a fifth aspect of the present invention, since the holding member is a lower holding member and an upper holding member mounted on the lower holding member, waterproof between the lower holding member and the upper holding member is reduced. Can be performed well.

[Brief description of the drawings]

FIG. 1A is a perspective view of a house having a waterproof structure of a roof panel with solar cells according to the present invention, and FIG. 1B is an exploded perspective view of the roof panel with solar cells of FIG.

2A is a cross-sectional view taken along the line AA of FIG. 1, and FIG.
It is sectional drawing which follows the BB line of FIG.

FIG. 3 is a partially enlarged sectional view of FIG. 2 (b).

FIG. 4 is a sectional view taken along line CC of FIG. 1 (a).

FIG. 5 is an enlarged sectional view of a main part of FIG.

FIG. 6 is a sectional view taken along line DD of FIG. 1 (a).

FIG. 7 is a cross-sectional view showing a modification of the waterproof structure of the roof panel with solar cells according to the present invention.

FIG. 8 is a cross-sectional view showing a modification of the waterproof structure of the roof panel with solar cells according to the present invention.

9 is a perspective view of the upper holding member shown in FIG.

FIG. 10 is a cross-sectional view showing a modification of the waterproof structure of the roof panel with solar cells according to the present invention.

FIG. 11 is a perspective view showing a relationship between a lower holding member and an upper holding member shown in FIG.

FIG. 12 is a sectional view showing a modification of the waterproof structure of the roof panel with solar cells according to the present invention.

FIG. 13 is a cross-sectional view showing a modification of the waterproof structure of the roof panel with solar cells according to the present invention.

[Explanation of symbols]

8 roof panel with solar cells (solar panel) 10 roof panel with solar cells (solar panel) 19 solar module 19 (solar panel) 12 roof member 16 base panel 16 (lower holding member (first 1)) 22 upper holding member (second member for base panel or first member for cover panel) 23 cover panel 23 (second member) D1 to D3, d1 to d3 step

Claims (5)

[Claims] 1. A plurality of solar cell panels are juxtaposed on a roof panel, a panel holding member extending along an edge of the solar cell panel is provided, and the solar cell panel is provided at an edge of the panel holding member. And a waterproofing structure of a roof panel with a solar cell, wherein the panel holding member is fixed to the roof panel with a fastening member held by the panel holding member, wherein the panel holding member is A first member through which a member penetrates; and a second member mounted on the first member, wherein the step for sealing is located between an edge of the first member and the fastening member, and the step for sealing is the second member. A waterproof structure for a roof panel with solar cells, which is provided in one member. 2. The method according to claim 1, wherein a plurality of the steps are provided in the first member, and the steps are set in a stepwise manner so as to gradually increase as the position is closer to the fastening member. Item 2. A waterproof structure for a roof panel with solar cells according to Item 1. 3. The first member is a lower holding member extending along an edge of the solar cell panel, and the second member is provided with a dovetail-shaped fastening member holding recess extending in a longitudinal direction on a lower surface side. The roof panel with a solar cell according to claim 1, wherein the holding panel is a holding member, and a head of the fastening member is held in the fastening member holding recess so as to be position-adjustable in a longitudinal direction. Waterproof structure. 4. The device according to claim 1, wherein the first member is a holding member through which the fastening member passes, and the second member is a cover panel that covers an upper surface of the holding member and a head of the fastening member. Item 3. A waterproof structure for a roof panel with a solar cell according to Item 1 or 2. 5. The waterproof structure according to claim 4, wherein the holding member is a lower holding member and an upper holding member mounted on the lower holding member.