JP3011667B2 - Solar cell panel and roof structure using the solar cell panel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a solar cell panel and a roof structure using the solar cell panel.

[0002]

2. Description of the Related Art As a roof surface formed by solar cell panels, there is a horizontal roofing unit with solar cells proposed in Japanese Patent Application Laid-Open No. 7-302924. Is fixed by a suspender by engaging the ridge-side engaging portion and the eave-side engaging portion with each other to form a space in the girder direction between the solar cell roof plate and the field plate, and this space portion is formed. Is used as a wiring space to electrically connect the solar cell roof panels in the digit-wise direction. By the way, since the electrical connection is made between the solar cell roof plate and the ground plate, there is a possibility that the electrical connection portion may lead to electric leakage from the engagement portion due to water flooding on the back surface of the roof plate, that is, the wiring space. In addition, laying a roof panel with solar cells on the base plate that is laid on one side requires time and labor to construct, and prevents the base plate from lowering the power generation efficiency of the amorphous silicon solar cell in the low temperature period. Even if it is formed of a heat insulating member, the space between the solar cell roof plate and the ground plate is obstructed, and a decrease in power generation efficiency is unavoidable.

[0003]

The problem to be solved is to use a solar cell panel which is excellent in raining, has no fear of electric leakage and has a high power generation efficiency, and a solar cell panel which employs the solar cell in adopting a solar cell for a roof. It is to provide a roof structure that has been used.

[0004]

According to the present invention, in order to achieve the above-mentioned object, a surface side of a solar cell module is supported by a supporting frame including a water frame, a water frame, and left and right side frames. Part, a solar cell panel comprising a front surface side and a back surface side made of a heat-insulating material in a polymerized state, wherein the water-side frame portion at the water-side end is higher than the holding portion of the solar cell module and the holding portion. An engaged portion that rises up, and an extended portion that extends upward from the holding portion to form a convex stepped portion, wherein the underwater frame portion at the underwater end portion is a holding portion of the solar cell module. And an engagement portion extending downward from the holding portion and capable of engaging with the engaged portion, wherein the rear surface side portion made of heat insulating material has a drain groove on a front surface and an electrical connection between solar cell panels on a rear surface. Wiring space in a mode that enables
It has a penetrating wiring take-out portion extending over the surface side other than the drain groove and the wiring space, and the water-side end can be superposed on the water-side end including the heat-insulating back side portion. It is characterized in that it is formed in a simple manner. In the roof structure using the solar cell panel described above, the solar cell panel is provided on the base, and the water-side end of the upper solar cell panel is provided with a heat-insulating back surface at the water-side end of the lower solar cell panel. The engaging portion is engaged with the engaged portion so as to be superposed in the flow direction including the corresponding portion of the side portion, and is attached. Further, the roof structure using the solar cell panel according to the present invention is characterized in that a landing portion is provided at least on the water surface side of the floating frame portion or the left and right side frame portions, in contact with the base. Further, in the roof structure using the solar cell panel of the present invention, a drain port is formed in the engaged portion of the above-water frame portion and the engaging portion of the below-water frame portion. Further, in the roof structure using the solar cell panel of the present invention, the back side made of a heat insulating material of the solar cell panels adjacent to each other in the left-right direction is characterized by overlapping at the left edge and the right edge.

[0005] In the present invention, the drainage groove on the back side made of a heat insulating material may have a vertical direction, a horizontal direction,
Any of oblique directions and combinations of these may be used. There is no limitation on the shape of the drainage groove (including the capacity) and the number of the drainage groove, and the drainage groove may have an arbitrary groove shape such as a semicircle or a square, or may be a combination of a deep groove and a shallow groove, and is not particularly limited. The wiring space is formed by a groove that can be wired in any direction such as a vertical direction, a horizontal direction, and an oblique direction, and / or a space that is formed by a space formed at a seam on a back side portion made of a heat insulating material. And the number of spaces is not limited. The number of wiring take-out portions connecting the wiring space and the solar cell module side is one or more. The hole shape of the wiring take-out portion may be a circular shape or any other shape. Even if the wiring is passed through, the hole may be closed after the wiring to improve the rain. As a closing means, a plug member of a fixed or irregular shape made of the same material or a different material with the back side is used. The mounting of the solar cell panel to the base may be performed by fixing the convex step portion of the water frame portion, or may be performed by a fixing portion formed by further extending the landing portion in contact with the base to the water surface. You may. The landing portion is formed on the water frame portion or the side frame portion, and if it is a water frame portion, the extending portion may be formed by extending downward,
On the side of the side frame portion, it may be extended downward from the water surface, and its shape is not limited. The connection in the left-right direction of the solar cell panel may be a butt-type configuration in which a discard plate made of a separate member is interposed, or a configuration in which a gutter portion is formed in a side frame portion, and a drain groove may be formed in the heat insulating material. It may be formed, and it may be either an embodiment having no drainage capability at the connection portion or an embodiment having the drainage capability. A water blocking groove may be formed between the engaged portion of the floating frame portion and the convex step portion so as to be discharged from a drain hole opened in the water blocking groove onto the back surface side portion made of heat insulating material. The drainage ports of the above-water frame portion and the below-water frame portion may coincide with or may be displaced from each other in the flow direction, and the latter is desirable. The back side made of a heat insulating material is a known heat insulating member such as polystyrene, polyurethane, or polyethylene. The solar cell module is a well-known one such as an amorphous silicon semiconductor whose power generation efficiency is unlikely to decrease. The base may be a member on which a solar cell panel can be laid and whose convex step portion or fixing portion can be attached with screws or other appropriate fixing tools, and is a known member such as a field plate.

[0006]

1 to 5 show one embodiment of a solar cell panel according to the present invention. This solar cell panel 1 has a superposed front side 1A and a back surface made of a heat insulating material. Side 1B
The water-side end portion a1 and the water-side end portion a2 are vertically overlapped with each other including the corresponding portion of the heat-insulating back surface side portion 1B so as to be mounted in a horizontal roofing shape. Front side 1A
Is a plane rectangular shape composed of an amorphous silicon semiconductor solar cell module 2 and a support frame 3. The frame-shaped support frame 3 is composed of a left side frame part 30, a right side frame part 31, an overwater frame part 32, and an underwater frame. Each of the frame parts 30, 31 is held in such a state that the periphery of the solar cell module 2 is held by the holding parts 30a, 31a, 32a, 33a of the frame parts 30, 31, 32, 33 which are open inward. , 32, 33 are fixedly connected to each other. Specifically, the left and right side frame portions 3 are attached to the left and right ends of the underwater frame portion 32 and the underwater frame portion 33, respectively.
The upper and lower ends of 0, 31 are fixed to each other by fixing members 4 such as screws screwed into C-shaped grooves 32b, 33b at left and right ends. Fitting portions 30b, 31b are formed on the outer sides of the left and right side frame portions 30, 31 in a back-to-back relationship with the holding portions 30a, 31a, respectively, and cover members for closing between the side end portions of the left and right solar cell panels 1 are provided. 5 can be fitted and attached. Under the holding portions 30a, 31a, side surfaces 30c, 31c are provided along the right and left ends of the concave groove portion 1f of the heat-insulating back surface side portion 1B and are closed at the right and left ends. Have been.

The floating frame 32 has an engaged portion 32c extending upward above the water above the holding portion 32a.
The engaged portion 32c has a first engaged portion 32c1 extending obliquely downward from the water side and a second engaged portion 32c2 extending upward from the water.
And a guide surface portion from the upper edge to both engaged portions 32c1 and 32c2.
32c3 is formed in a substantially umbrella shape in cross section, and a drain port 32d is provided near the left and right ends of the engaged portion 32c.
Are cut out and formed. An extending portion 32e extends from the holding portion 32a to the water surface. The extending portion 32e has a convex step 32f on the water side, and a concave water groove 32g between the convex step 32f and the engaged part 32c. A drain hole 32h is opened at the approximate center of the bottom, and a route through which intrusion water including rainwater and dew condensation water into the concave water-stop groove 32g flows downward through the drain port 32d on the left and right sides. And the lower side 1B made of heat insulating material from the drain hole 32h
A route that flows down to the concave groove portion 1f on the surface is secured.
A plurality of drain holes 32h may be provided. Also, the drain port
The 32d and the drain hole 32h need not be provided. In this case, the drainage route of the intruding water into the concaved
It is a route that flows out from the left and right ends of

The underwater frame portion 33 includes an outer wall portion 33c extending downward from the lower end of the water of the holding portion 33a, and a holding portion 33a.
An inner wall surface 33d extending downward from the upper end of the water and having a C-shaped groove 33b on the upper surface of the water is formed in an opposed shape, and
Water from 33a flows down along the inner wall 33d. An engaging portion 33e is formed on the inner surface of the inner and outer wall portions 33c, 33d. This engagement portion 33e
A first engaging portion 33e1 formed near the lower edge of the inner wall surface of the outer wall portion 33c so as to be able to engage with the first engaged portion 32c1, and a second engaged portion 32c2 is formed on the inner wall surface 33d in the middle of the inner surface. The second engaging portion 33e2 is formed, and when engaged with the engaged portion 32c,
The first engaging portion 33e1 and the second engaging portion 33e2 are guided along the guide surface portion 32c3 to engage with the first engaged portion 32c1 and the second engaged portion 32c2, respectively. In this state, the lower edges of the outer wall portion 33c and the inner wall portion 33d are in contact with the upper surface of the holding portion 32a of the floating frame portion 32, and the movement in the flow direction is restricted. A drain port 33f is cut out substantially at the center of the outer wall portion 33c, and in the engaged state, intruding water that has passed through the left and right drain ports 32d of the engaged portion 32c is drained by the drain port 33f. The water is drained from below.

The back side 1B made of a heat insulating material is provided with the solar cell panel 1 on the base plate 6 and the overwater frame portion 32 and the underwater frame portion 33.
Are formed in such a manner that they can be mounted in the form of a horizontal roof that overlaps vertically. Specifically, the height of the underwater end portion 1b is such that the overwater frame portion 32 of the lower solar panel 1 can intervene between the underwater frame portion 33 of the upper solar panel 1 and the base plate 6. The height of the water upper end portion 1a can be interposed between the water frame part 32 of the lower solar cell panel 1 and the water frame part 33 of the upper solar cell panel 1 and the base plate 6 at a suitable height ratio. A convex portion 1c that fits in the concave water groove 32g and a convex step portion are formed on the back side of the underwater end portion 1b.
32f A concave portion 1d that covers the surface is formed,
Through 32e, polymerization is enabled on the water upper end portion 1a.

On the surface of the back side portion 1B, a supporting surface portion 1e which contacts and receives the back surface of the solar cell module 2, a concave portion 1f in which the holding portion 32a and the concave water groove 32g are accommodated, and a convex step portion 32
f Support portion 1g that contacts and receives the back surface, and parallel drainage grooves along the flow direction from the concave groove portion 1f to the convex portion 1c via the support surface portion 1e.
In the state where 1h is formed and the solar cell module 2 is received, the intrusion water from the holding portion 32a and the drain hole 32h and the dew water on the back surface of the module are guided to the drain groove 1h and flow down the water. It is drained. On the back surface of the back side portion 1B, a first wiring space groove 1i1 on the left and right in the flow direction and a second wiring space groove 1i2 in the longitudinal direction are provided as wiring spaces 1i for enabling electrical connection between the solar cell panels. They are formed so as to intersect and communicate with each other. A drain groove 1h is provided between the intersection 1i3 of the first wiring space groove 1i1 and the second wiring space groove 1i2 on the back side and the supporting surface 1e on the front side.
In order to avoid this, the wire take-out portion 1j is formed in a penetrating manner, and the electric wire of the solar cell module 2 can be drawn out from the wire take-out portion 1j into the wiring space 1i. Also, near the left and right ends of the back side 1B, a concave notch 1k along the flow direction is provided.
The recessed portion 1k is made shallower than the depth of the wiring space portion 1i so that the rising portion 8a of the gutter member 8 can be accommodated, and wiring can be performed across the gutter member 8. I have.

FIGS. 6A, 6B, and 6C illustrate another embodiment of the underwater frame portion 33 in the solar cell panel of the present invention. In FIG. 6A, the holding portion 33a has an outer wall portion 33c. (B) shows an embodiment in which a step is formed by the holding portion 33a and the outer wall portion 33c to form a different design, and (C) shows an embodiment in which the holding portion 33a has the outer wall portion 33c. Each of the embodiments has a different design formed on the lower side of the water. (A) (B) (C) of FIG.
Water frame portion 32 in the solar cell panel of the present invention
(A) shows an aspect in which the engaged portion 32c rises from the extending portion 32e, and (B) shows an aspect in which the engaged portion 32c rises from the extending portion 32e via a step. (C) shows an embodiment in which the extending portion 32e extends upward from the engaged portion 32c.

FIGS. 8 to 12 show, as an embodiment of a roof structure using a solar cell panel according to the present invention, a horizontal roof structure constructed using the solar cell panel 1 shown in FIG. ing. Solar cell panel 1 laid on field board 6
Is fixed on the upper side of the panel by a fixing member 7 such as a screw which penetrates the supporting portion 1g from the convex step portion 32f and is fixed to the base plate 6. The lower side of the panel is the lower side frame. The engagement part 33e of the part 33 is the water-side frame part 32 of the lower solar cell panel 1.
The concave portion 1d is engaged with the engaged portion 32c in
f Covering the front surface, the convex portion 1c fits into the groove-shaped water blocking groove 32g, and the underwater end portion 1b of the heat-insulating back side portion 1B is extended.
Through 32e, the upper water end 1a of the lower side 1B made of heat insulating material
It is mounted and fixed in the superposed state located above.

The space between the left and right solar cell panels 1 is covered with a cover member 5 fitted and attached to the fitting portions 30b and 31b of the adjacent side frame portions 30 and 31, and a back side portion made of heat insulating material.
The left and right ends of the groove 1f of 1B are closed by side surfaces 30c and 31c, respectively. The left and right rising portions 8a of the gutter member 8 arranged on the open base plate 6 in the eaves ridge direction are accommodated in the concave notches 1k of the left and right insulating material back side portions 1B, respectively. Intrusion water from the left and right ends of the portions 30b, 31b, the holding portions 30a, 31a, and the concave groove portion 1f flows down to the gutter portion 8b and is drained downward.

The back surface side portion 1B made of a heat insulating material in the solar cell panel 1 is configured such that the solar cell module 2 is
The supporting portion 1g supports the convex step portion 32f from below, and the drainage in the flow direction from the concave groove portion 1f in which the holding portion 32a and the concave groove-shaped water blocking groove 32g are accommodated to the convex portion 1c. groove
1 h is secured so that water entering the concave water groove 32g and dew water on the back surface of the solar cell module 2 are drained to the concave water groove 32g via the drain groove 1h.

The lower edges of the outer wall surface portion 33c and the inner wall surface portion 33d of the underwater frame portion 33 abut on the upper surface of the holding portion 32a of the overwater frame portion 32, and the first engagement portion 33e1 becomes the first engaged portion 32c1. The underwater frame portion 33 and the overwater frame portion in which the second engagement portion 33e2 is engaged with the second engaged portion 32c2, respectively.
In the area where it overlaps with 32, the water entering from the holding part 33a and the drain
The infiltrated water that flowed down for 1h flows down to the groove-shaped water-stop groove 32g, and then from the drain hole 32h of the water-stop groove 32g to the groove 1f.
To the drainage channel 1h and down the drainage channel 1h, from the left and right ends of the water stop groove 32g to the upper surface of the covering member 5, and from the water stop groove 32g to the lower edge of the inner wall surface 33d. Then, the water is drained through a route that flows on the solar cell panel 1 below the drain openings 32d and 33f. The water entering from the holding portion 32a flows down to the concave groove portion 1f and then flows down from the concave groove portion 1f to the drainage groove 1h, and the gutter member 8 extends from the left and right ends of the concave groove portion 1f. It is drained through the route that flows down.

As described above, the upper and lower solar cell panels are provided on the back surface side of the solar cell module 2 and the back surface side portion 1B made of a heat insulating material, which is separated from the drain route secured on the polymerized front surface side. 1 are formed so as to communicate with each other in the flow direction, and the second wiring space grooves 1i2 in the left and right solar cell panels 1 of each stage are formed with the gutter members 8 in the girth direction. Are formed so as to communicate with each other, and the upper and lower solar cell panels 1 are electrically connected to each other by the electric wires of the solar cell module 2 drawn out from the wiring take-out portion 1j to the wiring space 1i in the first wiring space. The electric connection between the left and right solar cell panels 1 at each stage is connected via the second wiring space groove 1i2.

FIG. 13 shows another example of a roof structure using a solar cell panel according to the present invention, which is another roof structure having a roof structure. Since the configuration is basically the same as that of the embodiment of FIG. 8 except for the difference in the relationship, the description of the common configuration will be omitted, and the different configuration will be described. In this roof structure, the engagement portion 33e of the underwater frame portion 33 extends downward from the lower edge of the inner wall surface portion 33d, and is engaged with the underwater engagement of the concave water-stop groove 32g of the underwater frame 32. It is engaged with the joint 32c.
In addition, the outer wall surface 33c of the underwater frame 33 is an inner wall surface 33d.
Shorter than that of the
On the other hand, the upper edge of the raised portion 32i, which rises from the lower side of the concave water groove 32g, reaches the lower side of the holding portion 33a.

FIG. 14 illustrates another example of a roof structure using a solar cell panel according to the present invention, which has another roof structure in the form of a roof. Since the configuration is basically the same as that of the embodiment of FIG. 8 except for the difference in the relationship, the description of the common configuration will be omitted, and the different configuration will be described. In this roof structure, the engaged portion 32c of the floating frame 32 is formed from the middle of the rising portion 32j rising from the holding portion 32a toward the water downstream, and the engaging portion 33e of the floating frame portion 33 is engaged. ing.

FIG. 15 shows another example of a roof structure using a solar cell panel according to the present invention, which has another roof structure in the form of a roof. Since it is basically the same as that of the embodiment of FIG. 8 except for the difference, the description of the common configuration will be omitted, and the different configuration will be described. In this roof structure, a rain cut-out structure except for the cover member 5 and the gutter member 8 is provided, and a packing 31e is housed in an extended recessed recess 31d instead of the fitting portion 31b in the right side frame portion 31. At the same time, a side gutter 31f is formed outside the side 31c. A horizontal portion 30d extends from the left side frame portion 30 in place of the fitting portion 30b, and the horizontal portion 30d contacts the upper surface of the packing 31e and is closed. In addition, a water return portion 30e hanging down from the horizontal portion 30d to the inside of the side gutter portion 31f is provided so as to prevent water entering from the contact surface between the horizontal portion 30d and the packing 31e from reaching the side portion 30c. Along with the intrusion water
It flows down from 30e to the side gutter 31f and flows down the water. Further, a gutter surface portion 1m extending outward from the side edge is formed on the right side edge of the heat insulating material back side portion 1B, and the gutter surface portion 1m passes under the side gutter portion 31f, It reaches the concave portion 1n on the back side of the left edge of the adjacent heat-insulating back surface side portion 1B, and extends from the holding portions 30a, 31a to the left and right side portions 30c, 31c.
The intruding water that has invaded through the inner wall and the intrusion water that has overflowed from the upper edge of the side gutter 31f flows into the gutter 1m, and is drained down along the gutter 1m. Although not shown, the lower end of the gutter surface 1m is superposed on the upper water end of the lower gutter surface 1m so that intruding water does not flow to the back surface side 1B made of heat insulating material. ing.

FIG. 16 illustrates another horizontal roof structure as an embodiment of the roof structure using the solar cell panel of the present invention. The structure is the same as described above except for the difference in the wiring space structure. Since the configuration is basically the same as that of the embodiment of FIG. 14, the description of the common configuration will be omitted, and the different configuration will be described. In this roof structure, the second wiring space groove 1i2 in the girder direction in the wiring space 1i is formed with a second concave portion 1p and a water-side end portion 1a formed stepwise on the water side of the concave portion 1d in the water-side end portion 1b. It is formed with the water surface.

FIG. 17 illustrates another example of a roof structure using a solar cell panel according to the present invention, which is another horizontal roof structure. The configuration is the same as described above except for the difference in the wiring space configuration. Since the configuration is basically the same as that of the embodiment of FIG. 15, the description of the common configuration will be omitted, and the different configuration will be described. In this roof structure, the first wiring space groove 1i1 in the flow direction in the wiring space 1i is formed by the outer surface of the gutter surface 1m and the concave surface.
1n.

FIG. 18 illustrates another horizontal roof structure as an embodiment of the roof structure using the solar cell panel according to the present invention. Since the configuration is basically the same as that of the embodiment shown in FIG. 8, the description of the common configuration will be omitted, and the different configuration will be described. In this roof structure, the water frame
The landing portion 32k extends downward from the water-side end of the extension portion 32e at 32
Is extended, and is in contact with the ground plate 6. A cut portion 32m is formed in the landing portion 32k at a position facing the end of the first wiring space groove 1i1 so as not to hinder the electrical connection in the eaves ridge direction.

FIG. 19 illustrates another horizontal roof structure as an embodiment of the roof structure using the solar cell panel of the present invention. The structure is the same as that of the left and right side frame portions 30, 31. Since it is basically the same as that of the embodiment of FIG. 8 except for the difference, the description of the common configuration will be omitted, and the different configuration will be described. In this roof structure, landing portions 30f and 31g extend downward from side portions 30c and 31c of the left and right side frame portions 30 and 31, respectively.
Grounded to 8b. Cut portions 30g and 31h are formed in the landing portions 30f and 31g, respectively, at positions opposite to the ends of the second wiring space grooves 1i2 so as not to hinder the electrical connection in the eaves ridge direction.

[0024]

A. Effects of the Invention According to the first aspect, the rainwater that has entered from between the holding portions of the underwater frame portion is discharged onto the overwater frame portion, and the rainwater that has entered from the holding portion of the overwater frame portion is drained into the drainage groove on the rear surface side surface made of heat insulating material. It flows down along and drains down the water. The rainwater, dew condensation, and the like that have infiltrated into the back surface of the solar cell module flow down along the drainage groove on the back surface side made of heat insulating material on the back surface of the module, so that they do not travel to the back surface side surface made of heat insulating material. . Therefore, rainwater that has entered the space between the solar cell module and the support frame can be reliably drained on the back side of the module and the back side of the superposed heat insulating material, so that the back water of the back side of the heat insulating material can reach the back side. No, it is excellent in rain. Then, on the back side of the back surface side portion made of heat insulating material, which is separated vertically from the drainage route of the intruded water and eliminates the concern of the intruded water, the electric wires drawn out from the wiring take-out portion are routed along the wiring space on the back surface. It can be wired freely, and there is no danger of leakage due to intruding water. In addition, since the back side of the heat insulating material is polymerized on the back of the solar cell module, a high heat insulating effect can be secured, and by maintaining a high temperature, the efficiency of the solar cell module in the low temperature period when amorphous silicon is used can be reduced. It can be recovered and the power generation efficiency is high. In particular, the above-mentioned heat-insulating effect is high because the water-side end portion can be polymerized on the water-side end portion of the heat-insulating back surface side portion. B. According to claim 2, the rainwater that has entered from between the holding portions of the underwater frame portion is discharged onto the lower solar cell panel, and the rainwater that has entered from the holding portion of the overwater frame portion is drainage of the heat-insulating back surface. It flows down along the groove and is drained to the lower side surface of the lower surface made of heat insulating material.
The rainwater or dew condensation water, etc., which has infiltrated into the back surface of the solar cell module flows down along the drainage groove of the back surface made of heat insulating material on the back surface of the module, and is drained to the lower surface surface of the back surface made of heat insulating material. Therefore, it does not turn to the back surface side portion made of heat insulating material. Therefore, rainwater that has entered the space between the solar cell module and the support frame can be reliably drained on the back side of the module and the back side of the superposed heat insulating material, so that the back water of the back side of the heat insulating material can reach the back side. No, it is excellent in rain. Then, on the back side of the back surface side portion made of heat insulating material, which is separated vertically from the drainage route of the intruded water and eliminates the concern of the intruded water, the electric wires drawn out from the wiring take-out portion are routed along the wiring space on the back surface. Free wiring and electrical connection are possible, and there is no danger of leakage due to intruding water. Furthermore, since the back side made of a heat insulating material is polymerized on the back of the solar cell module, a high heat insulating effect can be secured, and by securing a high temperature,
In the case where the solar cell module is made of amorphous silicon, it is possible to recover the efficiency decrease in the low temperature period, and the power generation efficiency is high. In particular, the above-mentioned heat-insulating effect is high because the water-side end portion can be polymerized on the water-side end portion of the heat-insulating back surface side portion. C. According to the third aspect of the present invention, since at least the water side of the water frame portion or the left and right side frame portions has the landing portion that comes into contact with the ground, the back side portion made of the heat insulating material at the time of construction (at the time of fixing) is prevented from being crushed. The solar cell panel can be securely mounted. D. From claim 4,
A drain port is formed in the engaged part of the water frame part and the engagement part of the water frame part, so that rainwater that has entered the water side from the engagement part is drained to the water side, and It is not flooded and has excellent rain. E. FIG. From claim 5,
The thermal insulation back side of the solar panels adjacent to each other in the left and right direction overlaps on the left and right edges, ensuring a high heat insulation effect. Battery panel roof.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a solar cell panel according to an embodiment of the present invention.

FIG. 2 is an enlarged vertical sectional side view.

FIG. 3 is an enlarged vertical sectional front view.

FIG. 4 is a front perspective view of a back side made of a heat insulating material.

FIG. 5 is a back perspective view of a back side made of a heat insulating material.

FIGS. 6A, 6B, and 6C are enlarged vertical cross-sectional views illustrating other forms of the underwater frame portion.

FIGS. 7A, 7B, and 7C are enlarged vertical cross-sectional views illustrating another embodiment of the floating frame portion.

FIG. 8 is a plan view illustrating one embodiment of a roof structure using the solar cell panel of the present invention.

9 is a (9)-(9) partially enlarged longitudinal sectional side view of FIG. 8;

FIG. 10 is a partially enlarged longitudinal sectional side view of (10)-(10) in FIG. 8.

11 is a (11)-(11) partially enlarged longitudinal sectional side view of FIG. 8;

12 is a partially enlarged longitudinal sectional front view of (12)-(12) in FIG.

FIG. 13 is a partially enlarged longitudinal sectional side view illustrating another embodiment of the roof structure using the solar cell panel of the present invention.

FIG. 14 is a partially enlarged longitudinal side view illustrating another embodiment of the roof structure using the solar cell panel of the present invention.

FIG. 15 is a partially enlarged longitudinal sectional front view illustrating another embodiment of the roof structure using the solar cell panel of the present invention.

FIG. 16 is a partially enlarged longitudinal side view illustrating another embodiment of the roof structure using the solar cell panel of the present invention.

FIG. 17 is a partially enlarged longitudinal front view illustrating another embodiment of the roof structure using the solar cell panel of the present invention.

FIG. 18 is a partially enlarged longitudinal side view illustrating another embodiment of the roof structure using the solar cell panel of the present invention.

FIG. 19 is a partially enlarged longitudinal front view illustrating another embodiment of the roof structure using the solar cell panel of the present invention.

[Explanation of symbols]

1 Solar panel a1 Water-side end a2 Water-side end 1A Surface side 1B Insulation back side 1a Water-side end 1b Water-side end 1c Convex 1d Concave 1e Support surface 1f Concave groove 1g Support Part 1h drain groove 1i wiring space 1i1 first wiring space groove 1i2 second wiring space groove 1j wiring take-out part 1k concave notch part 1m gutter surface part 1n concave surface part 1p second concave part 2 solar cell module 3 support frame 30 left side frame part 30a Holding part 30b Fitting part 30c Side part 30d Horizontal part 30e Water return part 30f Landing part 30g Notch part 31 Right side frame part 31a Holding part 31b Fitting part 31c Side part 31d Storage recess 31e Packing 31f Side gutter 31g Landing part 31h Notch 32 Water frame 32a Holder 32b C-shaped groove 32c Engaged part 32c1 First engaged part 32c2 Second engaged part 32c3 Guide surface 32d Drain opening 32e Extension 32f Convex step 32g Recessed groove 32h Drainage hole 32i Standing part 32j Standing part 32k Landing part 32 m Notch section 33 Underwater frame section 33a Holding section 33b C-shaped groove 33c Outer wall section 33d Inner wall section 33e Engaging section 33e1 First engaging section 33e2 Second engaging section 33f Drain opening 33g Drain opening 4,7 Fixed Tool 5 Covering member 6 Field board (base) 8 Gutter member

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01L 31/042 E04D 13/00-13/18

Claims (5)

(57) [Claims] 1. A front side portion in which a peripheral edge of a solar cell module is held by a support frame including an overwater frame portion, an underwater frame portion, and left and right side frame portions, and a back surface made of a heat insulating material in a superimposed state with the front surface side portion. A solar cell panel composed of side portions, wherein the water-side frame portion at a water-side end portion includes a holding portion of the solar cell module, an engaged portion that rises above the holding portion, and extends from the holding portion to the water side. The underwater frame portion at the underwater end portion extends downward from the holding portion and engages with the engaged portion. Having a mating engagement portion, the heat insulating material rear side portion has a drainage groove on the front surface, and a wiring space in a mode that allows electrical connection between solar cell panels on the rear surface,
It has a penetrating wiring take-out portion extending over the surface side other than the drain groove and the wiring space, and the water-side end can be superposed on the water-side end including the heat-insulating back side portion. A solar cell panel characterized in that it is formed in a simple manner. 2. The underside of the solar cell module is composed of a front surface side in which the periphery of the solar cell module is held by a supporting frame including an underwater frame portion, an underwater frame portion, and left and right side frame portions, and a rear surface side portion made of a heat insulating material. A roof structure for mounting a solar cell panel, wherein the waterborne frame portion at a waterside end of the solar cell panel has a holding portion of a solar cell module, an engaged portion that rises above the holding portion, and a holding portion. Has an extending portion that extends upward from the water to form a convex step portion,
The underwater frame portion at the underwater end of the panel,
A holding portion of the solar cell module, and an engagement portion extending downward from the holding portion and capable of engaging with the engaged portion, wherein the heat-insulating back surface side portion has a drain groove on a front surface, and a sunshine surface on a back surface. A wiring space that enables electrical connection between the battery panels, and a penetrating wiring take-out portion extending from the surface side other than the drainage groove to the wiring space, and the water surface in the lower solar cell panel Attach the engaging part to the engaged part so that the underwater end of the upper solar cell panel overlaps in the flow direction including the part of the rear surface side part made of heat insulating material. A roof structure using solar cell panels. 3. A roof structure using a solar cell panel according to claim 2, further comprising a landing portion abutting on an underlayer at least on the water side of the floating frame portion or the left and right side frame portions. . 4. A roof structure using a solar cell panel according to claim 2, wherein a drain port is formed in the engaged portion of the above-water frame portion and the engaging portion of the below-water frame portion. . 5. The solar cell panel according to claim 2, wherein a back surface side portion made of a heat insulating material of the solar cell panels adjacent in the left-right direction is overlapped at a left edge portion and a right edge portion. A roof structure using the solar cell panel described in the item.