JP5766520B2 - Direct-mounting solar cell panel and method for installing the solar cell panel - Google Patents

Description

  The present invention relates to a direct-mounting type solar cell panel suitable for directly installing a solar cell panel on a mounting construction surface, and a method for mounting the solar cell panel.

  Solar cells can generate electricity using sunlight, and there is no carbon dioxide emission that causes global warming during power generation. Therefore, power supply means that can use clean energy sources at present. As one of the most promising.

  The above solar cell is a solar cell module that takes in sunlight and is placed on a plate-like base, fixed and held to form a panel, and this is installed on the roof, rooftop or wall of a building structure via a fixture. It is normal to use it.

  As prior art regarding this point, for example, Patent Document 1 includes a solar cell unit including a solar cell, a panel substrate on which the solar cell is mounted, and a solar cell fixing means for fixing the solar cell on the panel substrate. Is disclosed.

Japanese Patent Laid-Open No. 2001-214584

  The solar cell unit disclosed in Patent Document 1 is provided with an eaves portion and a ventilation portion on the panel substrate, and provided with an eaves-side pressing member and a ridge-side pressing member in the fixing means, and the eaves-side end portion of the solar cell. The solar cell fixing means is fixed by the ridge side pressing portion of the solar cell fixing means and placed on the panel substrate, while the solar cell fixing means of the solar cell fixing means located on the ridge side at the time of installation is installed on the eave side solar cell ridge. The side end is fixed by pressing the panel substrate on the eaves side, and according to this, it is said that the construction of the solar cell, particularly on the roof becomes easy.

  By the way, in the conventional solar cell panel as disclosed in Patent Document 1, an instrument for installing and fixing the panel is composed of a large number of parts, and its handling is not easy and efficiency. There was a problem that it was difficult to perform a typical installation.

  Accordingly, an object of the present invention is to propose a direct-mounting solar cell panel that is easy to handle in the field and that can be attached to a construction surface without requiring a complicated mounting tool.

The present invention has been made to solve the above-described conventional problems.
That is, the present invention is a solar cell panel including a solar cell module that has an incident surface on which sunlight is incident and contributes to power generation, and a base that fixes and holds the solar cell module on its front surface. The base is provided with a metal sheath that surrounds the base, leaving the incident surface of the solar cell module, and directly attaches the solar cell module together with the base to the mounting construction surface. The sheath has a rising wall portion, and has a groove-shaped cross section that forms the arrangement region of the base, and a sheath body that is integrally connected to the leading end of the rising wall portion of the sheath body, with the end faces facing each other. with posture, it is directly attached formula solar panel characterized by comprising a pair of flanges that sandwich the base in cooperation with the sheath body

In addition to the above configuration, the present invention
1) Providing the sheath body with a bracket for fixing and holding the solar cell panel on a mounting construction surface;
2) On the back surface of the sheath body, a corrugated reinforcing member in which a plurality of concave portions and convex portions are alternately arranged is provided on the back surface of the sheath main body in contact with the mounting construction surface,
3) Each of the convex portions is configured with a protruding height that is sequentially changed from one to the other and a top wall (an inclined head ) that is inclined at a certain angle .
4) Providing an upright wall for placing and storing the cable of the solar cell panel inside the convex portion,
5) The base is made of an adhesive synthetic resin or rubber body,
6) It is preferable as a specific means for solving the problem to provide the flange with a folded piece whose inner end is folded inward.

  Furthermore, the present invention provides a method for attaching a solar cell panel having the above-described configuration, wherein fastening means is passed directly through the metal sheath or through a bracket provided on the metal sheath, and the fastening means is attached to the attachment. The solar cell panel is fixed and held directly on the mounting surface by being screwed into the mounting surface.

  According to the present invention having the above-described configuration, the base for fixing and holding the solar cell module is covered with a metal sheath, and the solar cell panel is directly applied to the construction surface via a fastening means such as a bolt via the sheath. Because it is attached to the solar panel, it is easy to attach the solar cell panel.

  In addition, according to the present invention, since a dedicated mounting tool for mounting the solar cell panel is not required, handling at the site is easy, and cost can be reduced.

Further, according to the solar cell panel of the present invention, the metal sheath includes a flange-shaped cross section having a sheath body that forms an arrangement region of the base and a pair of flanges connected to the sheath body. The base is fixed and held securely even though it has a simple shape because it is composed of the members having the.

  Furthermore, according to the present invention configured as described above, a bracket is provided on the sheath body, and the solar cell panel is directly fixed by using the bracket. It becomes unnecessary.

  Further, according to the present invention having the above-described configuration, a corrugated reinforcing member in which a back surface of the sheath body is in contact with a construction surface to support the seal body and a plurality of concave portions and convex portions are alternately arranged. By providing this, the bending rigidity of the sheath itself can be significantly increased. Thereby, it becomes possible to reduce a fixing location and workability improves.

  Moreover, according to the solar cell panel of the present invention, by providing the reinforcing member, it is possible to reduce the weight by reducing the thickness of the metal sheath.

  In addition, according to the solar cell panel of the present invention, the projecting portion of the reinforcing member has a projecting height that is sequentially changed from one side to the other, and the solar cell panel is provided with an inclination in the solar cell panel. The panel can be held at a predetermined angle, and is not easily affected by raindrops, dust, or the like, and more efficient power generation is possible by increasing the amount of incident sunlight.

  According to the solar cell panel of the present invention, the upright wall is provided inside the convex portion, and the cable of the solar cell panel is accommodated inside the upright wall. Therefore, deterioration with time can be avoided.

  Further, according to the solar cell panel of the present invention, since the base is made of an adhesive synthetic resin or rubber body, the entire surface of the solar cell module can be brought into close contact with the base. The module can be securely fixed and held.

  In particular, according to the present invention having the above-described configuration, the strength of the portion can be improved without increasing the weight by providing the folded piece in which the front end of the flange is folded inward. Further, since the end face (cut end face) of the flange does not come out on the surface, even if the sheath is made of a metal member, the corrosion resistance is not affected.

Moreover, according to the solar cell panel of the present invention, since the surface of the solar cell module is located inside the surface of the flange, it is possible to prevent the surface of the solar cell module from being accidentally damaged during construction. Can do.

  According to the solar cell panel mounting method according to the present invention, the fastening means is passed through the metal sheath directly or through a bracket provided on the metal sheath, and the fastening means is screwed into the mounting surface. Therefore, the solar cell panel can be directly fixed and held on the mounting construction surface, and the time required for the mounting work can be shortened.

It is the figure which showed embodiment of the solar cell panel according to this invention, (a) is a side view, (b) is a front view. It is an external appearance perspective view of the solar cell panel shown in FIG. It is the figure which showed the manufacturing point of the solar cell panel shown in FIG. It is the figure which showed other embodiment of the solar cell panel according to this invention, (a) is the side view, (b) is a front view. It is the figure which showed other embodiment of the solar cell panel according to this invention, (a) is the side view, (b) is a front view.

Hereinafter, the present invention will be described more specifically with reference to the drawings.
1 (a) and 1 (b) are diagrams schematically showing an embodiment of a solar cell panel according to the present invention, in which (a) is a side view thereof and (b) is a front view thereof.

  Reference numeral 1 in FIGS. 1A and 1B denotes a solar cell module that has an incident surface M on which sunlight is incident and contributes to power generation.

  The solar cell module 1 can be composed of, for example, a three-layer cell in which an amorphous silicon layer (blue layer), a silicon germanium layer (green layer), and a microcrystalline silicon layer (red layer) are stacked in order from the surface. In this case, light having different wavelengths from ultraviolet rays to infrared rays can be absorbed with high efficiency by the spectral division method.

  In the solar cell module 1 configured as described above, an ethylene / tetrafluoroethylene copolymer (ETFE) film is disposed on the amorphous silicon layer, and a back film and a stainless steel foil are disposed below the microcrystalline silicon layer. However, the solar cell module 1 is not limited to the above.

  Further, reference numeral 2 in the figure is a base for fixing and holding the solar cell module 1. As the base 2, an adhesive synthetic resin, an elastic rubber body, asphalt or the like is applied.

Moreover, the code | symbol 3 in a figure is the metal sheath which covers the base 2 leaving the entrance plane M of the solar cell module 1. FIG. The metal sheath 3 can be applied with a steel coated steel plate, a galvanized steel plate, an aluminum zinc alloy plated steel plate, an aluminum plate, a stainless steel plate, a copper plate, or the like, and forms an arrangement region of the base 2. It comprises a sheath body 3a having a groove-shaped section (U-shaped section) and a pair of flanges 3b that are integrally connected to the leading ends of the rising wall sections 3a ₁ and 3a ₂ of the sheath body 3a.

Flanges 3b, the end faces each other is provided in parallel with the wall surface of the sheath body 3a so that the opposite orientation was oppositely to, sandwiching the base 2 in cooperation with the sheath body 3a.

  Reference numeral 4 denotes a folded piece (see an enlarged view of FIG. 1a) in which the front end of the flange 3b is folded inwardly (see an enlarged view of FIG. 1a). Reference numeral 5 denotes an ear portion 2a of the base 2 and the sheath body 3a. Is a through hole (or a screw hole) formed so as to penetrate through.

  The folded piece 4 is for increasing the strength of the portion without increasing the weight and for preventing the end face of the flange 3b from being exposed to the outside, and particularly for improving the corrosion resistance of the sheath 3. Contribute.

  Further, by providing the folded piece 4, the front surface of the solar cell module 1 is positioned inside the outer surface of the flange 3b by a dimension t (see the enlarged view in FIG. 1 (a)). Damage to the solar cell module 1 can be avoided.

In the solar cell panel having the above configuration, the rigidity of the base 2 is secured by the sheath 3. Then, the fastening means N such as a screw (drill screw, tapping screw) is passed through the through-hole 5, and the fastening means N is screwed into the mounting construction surface T, so that it can be fixed and held directly. Therefore, there is no need to prepare a fitting separately, it is possible to installation of the solar panels under a simple task.

  The through hole 5 may be formed at a construction site. Thereby, the correspondence according to the situation of the construction surface which should install a solar cell panel is attained.

  It is also possible to fix the solar cell panel to the mounting construction surface by screwing the screws through the flange 3b, the base 2 and the sheath body 3a using a tapping screw.

  FIG. 2 is an external perspective view showing an example of the solar cell panel mounting construction situation shown in FIGS. 1A and 1B. The sheath 3 of the solar cell panel is made of a drill screw, a tapping screw or the like. The example directly attached to the installation construction surface T such as a wall or a roof with a screw N is shown.

  The solar cell panel according to the present invention is not only easy to mount and can be manufactured, for example, by applying a roll forming method, and can be manufactured efficiently.

In order to manufacture a solar cell panel by applying the roll forming method, first, as shown in FIG. 3, the folded portion 4 is formed at the width end portion of the thin plate material S cut out to a predetermined width dimension and length. To do. And after shape | molding so that this board | plate material S may become a U-shaped cross section, the base 2 provided with the solar cell module 1 is arrange | positioned in the recessed part, Furthermore, the rising part of this board | plate material S is used for the upper end surface of the base 2. You can fold inward from the base point.

  4 (a) and 4 (b) are diagrams showing another embodiment of the solar cell panel according to the present invention. 4 (a) and 4 (b), reference numeral 6 denotes a bracket that is shown as an example integrated with the sheath 3, and 7 is a reinforcing member that is disposed on the back surface of the sheath body 3a and reinforces the sheath itself.

  The bracket 6 includes a contact plate 6a that contacts the mounting surface and a leg portion 6b connected to the contact plate 6a. Here, the bracket 6 is shown as an example having an L-shaped cross section.

The reinforcing member 7 has a waveform that alternately arranged recesses 7a and trapezoidal protrusion 7b of trapezoid, is brought into contact with the construction surface mounting the bottom wall 7a ₁ of the recess 7a, the convex portion the top wall 7b ₁ of 7b is brought into contact with the rear surface of the sheath body 3a for supporting the sheath body 3a.

  Further, reference numeral 8 in the figure is an upright wall provided integrally inside the convex portion 7 b of the reinforcing member 7. The upright wall 8 is shown as an example of a bent piece that is bent at the end of the convex portion 7b and that has two end portions overlapped.

  By placing and storing the cable 9 of the solar cell panel inside the upright wall 8, the cable 9 can be prevented from being exposed to wind and rain or sunlight. Deterioration can be avoided.

  In the solar cell panel shown in FIGS. 4 (a) and 4 (b), the contact plate 6a of the bracket 6 is applied to the mounting surface, and a fastening means such as a drill screw or a tapping screw is screwed through the corresponding contact plate 6a. Can be directly attached to the mounting construction surface.

  The bracket 6 can be formed together with the sheath 3 when the sheath 3 is roll-formed (can be manufactured with a single plate material), and can be efficiently manufactured even in a solar cell panel having such a structure. Is possible.

  The reinforcing member 7 shown in this embodiment is a separate object from the sheath 3, but the reinforcing member 7 may be bonded and fixed to the back surface of the sheath 3 in advance or bonded at the construction site. It is also possible to fix, and this point is not particularly limited.

  Furthermore, Fig.5 (a) (b) shows other embodiment of the solar cell panel according to this invention. In this example, only the contact plate 6a is provided for one of the brackets 6 (the upper bracket in FIG. 5).

  The solar cell panel having such a configuration makes it possible to provide an angle with respect to the installation construction surface, and can improve power generation efficiency, and also adhere raindrops, dust, and the like in the solar cell module 1. Can be avoided.

In particular, in the solar cell panel configured as shown in FIGS. 5A and 5B, the protruding height h of the convex portion 7b of the reinforcing member 7 is separated from the bracket 6 provided with only the contact plate 6a. with successively higher in the direction, the sheath body 3a can be reliably supported by the top wall 7b ₁ of the convex portion 7b to be inclined at a predetermined angle.

Even in the solar cell panel provided with an angle, the solar cell panel is directly attached by applying the contact plate 6a of the bracket 6 to the construction surface and screwing the fastening means N such as a drill screw or a tapping screw through the contact plate 6a. Therefore, simple fixing is possible without separately preparing a mounting tool.

  The metal sheath 3 has been shown as an example having a grooved cross section with a flange open on both sides, but it is also possible to provide walls on both sides to close the portion. This point is not particularly limited.

  According to the present invention, since the solar cell panel can be directly fixed and held on the mounting construction surface using a metal sheath, efficient mounting construction is possible.

  Further, according to the present invention, a dedicated instrument for attaching the solar cell panel is unnecessary (reduction in the number of parts), and the cost can be reduced.

DESCRIPTION OF SYMBOLS 1 Solar cell module 2 Base 2a Ear part 3 Metal-made sheath 3a Sheath main body 3b Flange 4 Folding piece 5 Through-hole 6 Bracket 6a Contacting plate 6b Leg part 7 Reinforcement member 7a Concave part 7b Convex part 8 Base 9 Cable

Claims (8)

A solar cell panel having a light incident surface on which sunlight is incident, a solar cell module that contributes to power generation, and a base that fixes and holds the solar cell module on its front surface,
The base is provided with a metal sheath that surrounds the base leaving the incident surface of the solar cell module, and directly attaches the solar cell module to the mounting construction surface together with the base ,
The metal sheath has a rising wall portion, and is integrally connected to a sheath body having a groove-shaped cross section that forms an arrangement region of the base, and a distal end of the rising wall portion of the sheath body, and the end surfaces face each other. A directly attached solar cell panel comprising a pair of flanges that hold the base in cooperation with the sheath body in an opposed posture . The direct attachment type solar cell panel according to claim 1 , wherein the sheath body has a bracket for fixing and holding the solar cell panel on a mounting construction surface. The sheath body has, on its back, claim the mounting construction surface in contact with supporting the sheath body, and having a reinforcing member of the waveform in which a plurality of concave portions and convex portions are alternately 1 Or the direct attachment type solar cell panel described in 2 . 4. The directly attached solar cell panel according to claim 3 , wherein each of the protrusions has a protruding height that is sequentially changed from one to the other and a top wall that is inclined at a certain angle. 5. 5. The directly attached solar cell panel according to claim 3 , wherein the convex portion has an upright wall on the inside thereof for placing and storing a cable of the solar cell panel. The directly attached solar cell panel according to any one of claims 1 to 5 , wherein the base is made of an adhesive synthetic resin or a rubber body. The direct attachment type solar cell panel according to any one of claims 1 to 6, wherein the flange has a folded piece whose inner end is folded inward. In the method of fixing and holding the directly attached solar cell panel according to any one of claims 1 to 7 on an installation construction surface,
The fastening means is passed through the metal sheath directly or through a bracket provided on the metal sheath, and the fastening means is screwed into the mounting construction surface, thereby fixing the solar cell panel directly to the mounting construction surface. A method for mounting a directly attached solar cell panel, characterized by holding.

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