JP2015090048A - Fixture for solar cell module and photovoltaic power generation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixture capable of reducing a clearance between mutual modules, to a photovoltaic power generation device constituted by juxtaposing solar cell modules.SOLUTION: A fixture 6b is used between mutual solar cell modules 5 of a photovoltaic power generation device 1 of respectively fixing the fixture 6b and a fixture 6c for the solar cell module by juxtaposing the solar cell modules 5 on a module base 4, and the fixture 6b is formed of a fixing board 60b installed on the module base 4 correspondingly positioned on an under surface of a post-installation module, a vertical plate 61b erected on one side of its fixing board 60b and positioned between pre-installation/post-installation modules, a pre-installation engaging piece 64b formed on the upper side of the vertical plate 61b and a post-installation engaging piece 65b similarly formed on the upper side and constituting a module fitting groove 66b out of oneself, the fixing board 60b and the vertical plate 61b, assuming a relatively first-installing object as a pre-installation module and a later-installing object as a post-installation module among the adjacent modules 5.

Description

  The present invention relates to a solar power generation device that generates power using a plurality of solar cell modules arranged with a light receiving surface facing the sky, and a solar cell module fixture for fixing the solar cell module to a module base.

  The present applicant has already filed a patent application for the solar power generation device shown in FIG. 12 as Japanese Patent Application No. 2013-161917.

  The photovoltaic power generation apparatus 100 is formed on a foundation 200, 200... Fixedly attached to the ground G as an installation location, a frame structure frame 300 attached on the foundation 200, and an upper part of the frame 300. Module base 400, a plurality of solar cell modules 500, 500,... Arranged on the module base 400 vertically and horizontally, and a plurality of solar cell modules for fixing each of the solar cell modules 500 to the module base 400. The fixtures 600a, 600b, and 600c are roughly configured.

The module base 400 is arranged in a slanted manner between the upper horizontal member 300a in the front row and the upper horizontal member 300b in the rear row of the gantry 300, and is arranged in a wooden shape (specifically, spaced apart from each other). Is a first-class material of firewood made of thinned wood).
In FIG. 12, reference numeral 800 denotes a cap member attached to each of both ends in the length direction of the scissors constituent member 700 so as to protrude outwardly from the end portions in a scissors shape. The shade member 800 is made of a thin steel plate, and covers an upper surface plate 800a that covers the upper surface of the eggplant component 700, and a side plate that expands downwardly from both side edges of the upper surface plate 800a into a square shape. 800b, so that rainwater and ultraviolet rays (direct sunlight) do not easily hit both end surfaces of the salmon component 700.

Moreover, as shown in the enlarged views (a), (b), and (c) of FIG. 12, the solar cell module fixtures 600a, 600b, and 600c for fixing the solar cell module 500 to the module base 400 are shown in FIG. When the battery module 500 is regarded as a single large panel, it is positioned between the solar cell modules 500 and 500, and one for an end portion (see enlarged views (a) and (c)) corresponding to the peripheral edge of the panel. In addition, there is an intermediate one (see enlarged view (b)) for fixing two adjacent solar cell modules to the module base 400 together.
Of these, the solar cell module fixtures 600a and 600c for the end portions are obtained by bending a metal plate into a crank shape, while the intermediate solar cell module fixture 600b is symmetrical with respect to the two cranks. It is in the shape of a bowl that continues in the state of. Such an intermediate solar cell module fixture is also described in, for example, Patent Document 1 and the like.

JP 2013-177768 A

  The conventional solar cell module fixture 600b for intermediate use has a saddle shape in which two cranks are continuously connected in a line-symmetric state, and has a structure in which the solar cell module 500 is split between the solar cell modules 500 and 500. Therefore, a gap S corresponding to the width of the fixture 600b is formed between the solar cell modules 500 and 500. Since the gap S is relatively large, stable waterproofing is difficult even if it is filled with a waterproofing agent or the like. Therefore, the photovoltaic power generation device 100 in which a plurality of solar cell modules 500, 500. It was difficult to use as a panel.

  This invention is made | formed in view of the above, The objective is for solar cell modules which can make the clearance gap between solar cell modules small with respect to the solar power generation device comprised by arranging a plurality of solar cell modules side by side. An object of the present invention is to provide a solar power generation device that can be used as a single large waterproof panel while providing an attachment.

In order to achieve the above object, according to the present invention, a plurality of solar cell modules are arranged on a module base and each of the solar cell modules is fixed by a plurality of solar cell module fixtures. The solar cell module mounting tool used between the solar cell modules of the solar power generation device,
When a solar cell module adjacent to the module base is attached first to the module base, and a module attached relatively later is a retrofit module,
A fixed substrate attached to the upper surface of the module base at a position corresponding to the lower surface of the retrofit module;
A standing plate standing on one side of the fixed substrate and positioned between the leading module and the retrofitting module;
A leading engagement piece formed on a part of the upper side of the standing plate so as to cover the edge of the leading module;
A post-engagement engagement piece which is formed in a portion other than the provisional engagement piece on the upper side of the upright plate and forms a module fitting groove having a U-shaped cross section by itself, the fixed substrate, and the upright plate; The attachment for solar cell modules formed by is provided.

According to a second aspect of the present invention, the solar cell module includes a battery panel and an edge bracket that surrounds the periphery of the battery panel in a frame shape, and a back surface surrounded by the edge bracket on the back surface of the battery panel. It has a space part that opens in the direction,
On the other hand, the fixed substrate is attached to the upper surface of the module base with a tightening screw having a tightening portion at the head, and the tightening portion of the tightening screw is attached to the module base in the state where the fixing base is attached. The attachment for solar cell modules according to claim 1, which is disposed at a position facing the space through the opening of the retrofit module.

In addition, as described in claim 3, a photovoltaic power generation device in which a plurality of solar cell modules are arranged on a module base and each of the solar cell modules is fixed by a plurality of solar cell module fixtures,
The module base is formed by arranging wooden cocoon wing components on the upper part of the gantry in an inclined shape and with a gap between adjacent ones in a cocoon shape.
The solar cell module is fixed by arranging the solar cell module fixture according to claim 1 or 2 between the solar cell modules arranged side by side on the insulator component of the module base,
Furthermore, the photovoltaic power generation apparatus which fills the clearance gap between the said solar cell modules and the clearance gap between the said fixture for solar cell modules and the upper surface of a solar cell module with a waterproofing agent is provided.

According to the solar cell module fixture of the present invention, the gap between adjacent solar cell modules can be accommodated in about one upright plate, and therefore can be easily filled with a waterproofing agent or the like.
Therefore, since the solar power generation device of claim 3 in which a plurality of solar cell modules are arranged using this solar cell module fixture can be a single large waterproof panel, the solar power generation device itself is It can be a simple roofing material for carports and buildings.

  Further, when the tightening portion of the tightening screw faces the space portion on the back side of the solar cell module in a state of being attached to the module base as in claim 2, the solar cell Since there is no possibility of interfering with the module, a tightening screw having a large tightening portion and excellent strength can be used.

It is a perspective view of a solar power generation device. It is a perspective view of the solar power generation device which shows a solar cell module as an imaginary line. It is a perspective view of the solar power generation device which expanded a part of Drawing 2 containing an enlarged view. It is a side view of the solar power generation device containing an enlarged view. It is a top view which expands and shows the principal part of a solar power generation device. It is a principal part enlarged side view of the solar power generation device which shows the solar cell module of the foremost row in cross section. It is a principal part expanded side view of the solar power generation device which shows a front attachment module and a retrofit module in a cross section. It is a principal part expanded side view of the solar power generation device explaining the attachment state of the retrofit module of FIG. It is a perspective view of the fixture for solar cell modules for intermediate | middle. It is a perspective view which shows the foundation. It is a perspective view which shows a mount frame. It is the perspective view which showed the solar cell module of the solar power generation device concerning background art by the imaginary line.

Embodiments of the present invention will be described below with reference to the drawings.
The photovoltaic power generation apparatus 1 according to the embodiment includes foundations 2, 2... Fixedly attached to the ground G serving as an installation location, a frame structure frame 3 mounted on the foundation 2, and an upper part of the frame 3. The module base 4 to be formed, a plurality of solar cell modules 5, 5... Arranged on the module base 4 with the light receiving surface 5 a facing upward (empty), and the solar cell module 5. And a plurality of solar cell module attachments (hereinafter also simply referred to as “attachments”) 6 a, 6 b, 6 c for fixing each of the above to the module base 4. In addition, the solar power generation device 1 makes the inclination lower end side of the module base 4 the front, and makes the other side the back for convenience of explanation.

[Basic]
As shown in FIG. 4 enlarged view (d), the foundations 2, 2,... Are, for example, quadrangular pyramid-shaped concrete molded products installed on the crushed stone G1 laid in the ground, as shown in FIG. They are arranged in a plurality of rows (6 (pieces / row) × 5 (row) in the embodiment). In addition, when there is a possibility of receiving strong winds at the coast or the like, the strength can be increased by making the foundations 2, 2,. The foundations 2, 2,... Are buried in the ground at about half the height, while the base packings 7, 7,... Described later are mounted in advance on the upper surface (in the factory in the case of factory production). ing.

[Stand]
As shown in FIGS. 4 and 11, the gantry 3 includes a plurality of shortest support members 3 a, 3 a, etc. that are erected on the foundations 2, 2,. The longest plurality of support members 3b, 3b,..., And the support members 3c, 3d, 3e that are in the middle between the front support member 3a and the rear support member 3b and gradually increase from the front row to the rear row. And the upper horizontal members 3f, 3f... In the form of square bars, which are horizontally provided on the tops of the column members 3a to 3e in each row, the column members 3a to 3e arranged in the front-rear direction, and the column members 3a to 3e and the upper horizontal members. It is a frame structure roughly constituted by reinforcing diagonal members 3g, 3g, ... that connect and reinforce the materials 3f, 3f, ....
In addition, each member (post | support material 3a-3e, the upper horizontal material 3f, the reinforcement diagonal material 3g) which comprises the mount frame 3 is formed with the primary material of the firewood made from the thinning material.

  As shown in the enlarged view (d) of FIG. 4, the support members 3a to 3e constituting the gantry 3 and the foundation 2 are connected via a base packing 7 with a wing plate-like bolt (not shown) or the like. Although not shown, the upper cross member 3f and the support members 3a to 3e are connected to each other by fitting between a boss projecting from the support members 3a to 3e and a boss hole formed in the upper cross member 3f and an appropriate connection fitting. .

The base packing 7 is a plate-like object formed of plastic, ceramic, metal, rubber, or the like, and is screwed in advance to the bottom surfaces of the support members 3 a to 3 e or fixed to the upper surface of the foundation 2 in advance. The means for fixing the base packing 7 to the upper surface of the foundation 2 is adhered with an adhesive or a recess is provided on the upper surface of the foundation 2 and the lower half of the base packing 7 is fitted into the recess. In addition, although the base packing 7 fitted to the recessed part of the foundation 2 does not require adhesion | attachment, of course, you may adhere | attach.
The base packing 7 is smaller than the support members 3a to 3e in a plan view, and an undercut step portion 8 (see FIG. 4 enlarged view (d)) is formed on the bottom surface and the side surface of the base packing 7. ing.

[Module stand]
The module table 4 is placed on the upper horizontal members 3f, 3f... Of the frame 3 in an inclined manner perpendicular to the upper horizontal members 3f, 3f. It is made of firewood components 9, 9,... Made of wood (specifically, the primary material of firewood made of thinned wood).

[Solar cell module]
As is well known, the solar cell module 5 includes a square battery panel 5b that generates power by receiving sunlight on the light receiving surface 5a, and a metal edge bracket 5c that surrounds the battery panel 5b in a square frame shape. Yes. As shown in FIGS. 6 to 8, the battery panel 5b is attached to a height of the edge fitting 5c. Therefore, a space 5d surrounded by the edge fitting 5c is formed on the back surface of the battery panel 5b. Furthermore, the space portion 5d is opened backward through an opening 5e formed by the edge fitting 5c.

  The solar cell module 5 is arranged vertically and horizontally on the entire upper surface of the module base 4 as shown by the solid line in FIG. 1 and the imaginary line in FIG. Has been.

[Solar cell module fixture]
As shown in the enlarged views (a), (b), and (c) of FIG. 4, the fixtures 6a, 6b, and 6c are arranged so that all the solar cell modules 5 are regarded as a single large panel. Is positioned between the solar cell modules 5 and 5 adjacent to each other in the front and rear sides (refer to the enlarged views (a) and (c)) and for fixing them to the module base 4. Some are for intermediate use (see enlarged view (b)).

[End fittings]
The end fittings 6a and 6c are formed by bending a metal plate into a crank shape, and are fixed on one side of the fixed substrates 60a and 60c attached to the upper surface of the module base 4 and the fixed substrates 60a and 60c. Through-holes 63a, 61c opened in the fixed substrates 60a, 60c, each of which includes standing plates 61a, 61c and engaging pieces 62a, 62c bent on the upper sides of the standing plates 61a, 61c toward the solar cell module 5. In 63c, it attaches to the upper surface of the hook component member 9 of the module base 4 through the fastening screw 10 (wood screw) which has the hexagon bolt head-like fastening part 10a in the head.

On the other hand, as shown in FIG. 9, the intermediate fixture 6 b includes a fixed substrate 60 b attached to the upper surface of the module base 4 and a through-hole formed in the fixed substrate 60 b for passing the fastening screw 10. 63b, a standing plate 61b erected on one side of the fixed substrate 60b, a tip engagement piece 64b formed by bending toward the side opposite to the fixed substrate 60b on substantially one half of the upper side of the standing plate 61b, And a post-engaging piece 65b formed by bending the remaining half of the upper side of the plate 61b toward the fixed substrate 60b. A module fitting groove 66b having a U-shaped cross section is formed by the retrofitting engagement piece 65b, the standing plate 61b, and the fixed substrate 60b.
As for this fixture 6b, when the solar cell module 5 that is attached first to the module base 4 is the front attachment module 5 (x), and the one that is attached relatively later is the rear attachment module 5 (y), FIG. As shown in FIG. 5, the fixed engagement plate 64b is attached to the module base 4 with the tightening screw 10 by covering the edge of the edge fitting 5c of the advance module 5 (x) with the advance engagement piece 64b. Then, the retrofitting module 5 (y) is moved and fitted from the arrow I in FIG. 8 to the arrow II in FIG. 8 in the module fitting groove 66b of the fixture 6b.
As shown in FIG. 7, the through hole 63b of the fixing substrate 60b of the fixture 6b is attached to the module base 4 so that the tightening portion 10a of the tightening screw 10 has an opening 5e in the space 5d of the retrofit module 5 (y). It is provided at a position facing through. Specifically, as shown in an imaginary line in FIG. 8, the width from the edge of the post-engaging piece 65b of the fixture 6b to the opening 5e of the edge fitting 5c of the retrofit module 5 (y) is set to the upright plate 61b of the tightening portion 10a. The vertical module 5 (y) is fitted into the module fitting groove 66b of the fixture 6b without causing interference between the tightening portion 10a of the fixture 6b and the edge fitting 5c. In addition, the tightening portion 10a of the tightening screw 10 can be made to face the space portion 5d of the retrofit module 5 (y) through the opening 5e.

Next, the process of attaching the solar cell module 5 to the module base 4 will be described.
First, the fixture 6 a is attached to the front end of the scissors constituting member 9 constituting the module base 4 with the fastening screw 10.
Next, the solar cell module 5 is placed on the upper surface of the scissors-constituting material 9 and pushed into the upright plate 61a side while being hidden under the engaging piece 62a of the fixture 6a. Thereby, the front edge of the solar cell module 5 is stopped by the engaging piece 62a of the fixture 6a.
This solar cell module 5 is used as a leading module 5 (x), and an intermediate fixture 6b is attached to the upper surface of the scissors-constituting material 9 with a tightening screw 10 so that the leading engagement piece 64b is covered on the rear edge. As a result, the attachment of the leading module 5 (x) to the module base 4 is completed.
Next, as shown in an imaginary line in FIG. 8, the post-attachment module 5 (y) is placed on the upper surface of the scissors component 9 so that the edge fitting 5c does not touch the fastening portion 10a of the fastening screw 10 of the fixture 6b. The retrofitting module 5 (y) is pushed toward the upright plate 61b of the fixture 6b as shown by arrow II in FIG. As a result, the front edge of the retrofit module 5 (y) is stopped by the front engagement piece 64b of the fixture 6b.
Next, the intermediate fixture 6b is attached to the upper surface of the scissors child component 9 with the fastening screw 10 so that the front engaging piece 64b is placed on the rear edge of the rear attachment module 5 (y). As a result, the attachment of the retrofit module 5 (y) to the module base 4 is completed.
Next, the retrofitting module 5 (y) is regarded as a relative fronting module 5 (x), and then the solar cell module 5 as a relative retrofitting module 5 (y) is attached in the same process as described above.
After repeating this process and arranging all the solar cell modules 5 on the module base 4, the fixture 6 c is placed on the upper surface of the scissors-constituting material 9 so that the rearmost edge of the solar cell module 5 in the rearmost row is covered with the engaging piece 62 c. Attach with the fastening screw 10.
For the sake of convenience, the above description is omitted, but waterproof tape 11 as shown in FIG. 7 is interposed in all vertical and horizontal gaps between the solar cell modules 5.
After fixing all the solar cell modules 5 to the module base 4 as described above, the front and rear, left and right gaps S between the solar cell modules 5 as shown in FIG. 5, the fixture 6b, and the solar cell module 5 is filled with a waterproofing agent 12, all the solar cell modules 5, 5... Can be used as one large waterproof panel. Therefore, the area below can be used as a covered carport, a work place, a playground, or the like.

The solar power generation device 1 of the embodiment is as described above, and almost the entire gantry 3 is made of wood. Therefore, the energy consumption from manufacturing to processing is very small compared to the steel frame and hardly puts a burden on the environment, so that the power generation merit of solar power generation can be fully enjoyed from the beginning of power generation. Of course, if the wood is thinned, the energy will be maximized because little energy is required to manufacture the components.
Moreover, since the gantry 3 made of wood is resistant to salt damage, it can be used for a long time at the coast.
Further, since the gantry 3 is made of wood, it is easy to become familiar with the surrounding environment, and there is no sense of incongruity even if it is large.
Moreover, since the module base 4 has a wooden cocoon child structure, the photovoltaic power generation apparatus 1 of the embodiment can be manufactured at a low cost with a short construction period.
Further, since the base packing 7 is interposed between the gantry 3 and the foundation 2 to provide a gap, there is almost no risk of moisture permeating from the base 2 side to the gantry 3 side, and the bottom surface of the gantry 3 and the base packing Since the undercut step 8 is formed on the side surface 7, the drainage of rain water flowing from the gantry 3 side is good, and the bottom surfaces (small openings) of the column members 3 a to 3 e touch the outside air at the step 8. Easy to dry.

The embodiments of the present invention have been described above, but the present invention is of course not limited to the above embodiments. For example, the shade member 800 shown in FIG. 12 described in the background art may be attached to both ends of the spider constituting member 9 of the module base 4 of the embodiment so that rainwater and ultraviolet rays (direct sunlight) are not easily hit.
Further, in the embodiment, the solar cell modules 5 are attached in order from the front row to the rear row of the module base 4. However, when the inclination of the module base 4 is loose, it may be attached from the rear row to the front row. Of course, in that case, the orientation of the fixture 6b is reversed.
Further, in the embodiment, the front engagement piece 64b and the rear engagement piece 65b of the fixture 6b are formed one by one. For example, the front engagement piece 64b is formed between the two front engagement pieces 64b. Or vice versa.

DESCRIPTION OF SYMBOLS 1 ... Solar power generation device 3 ... Stand 4 ... Module stand 5 ... Solar cell module 5 (x) ... Advanced module 5 (y) ... Retrofit module 5b ... Battery panel 5c ... Edge metal fitting 5d ... Space part 5e ... Opening 6a, 6b , 6c ... Solar cell module fixture 60b ... Fixed substrate 61b ... Standing plate 64b ... Pre-engagement engagement piece 65b ... Post-attachment engagement piece 66b ... Module fitting groove 9 ... Spear child component 10 ... Tightening screw 10a ... Tightening part

Claims (3)

The solar cell used between the solar cell modules of a solar power generation apparatus in which a plurality of solar cell modules are arranged on a module base and each of the solar cell modules is fixed by a plurality of solar cell module fixtures. A module fixture,
When a solar cell module adjacent to the module base is attached first to the module base, and a module attached relatively later is a retrofit module,
A fixed substrate attached to the upper surface of the module base at a position corresponding to the lower surface of the retrofit module;
A standing plate standing on one side of the fixed substrate and positioned between the leading module and the retrofitting module;
A leading engagement piece formed on a part of the upper side of the standing plate so as to cover the edge of the leading module;
A post-engagement engagement piece which is formed in a portion other than the provisional engagement piece on the upper side of the upright plate and forms a module fitting groove having a U-shaped cross section by itself, the fixed substrate, and the upright plate; And a solar cell module mounting tool. The solar cell module includes a battery panel and an edge bracket that surrounds the periphery of the battery panel in a frame shape, and has a space portion that is open to the back and is surrounded by the edge bracket on the back surface of the battery panel. ,
On the other hand, the fixed substrate is attached to the upper surface of the module base with a tightening screw having a tightening portion at the head, and the tightening portion of the tightening screw is attached to the module base in the state where the fixing base is attached. The solar cell module mounting tool according to claim 1, wherein the mounting tool is disposed at a position facing the space through the opening of the retrofit module. A solar power generation apparatus in which a plurality of solar cell modules are arranged on a module base and each of the solar cell modules is fixed by a plurality of solar cell module fixtures,
The module base is formed by arranging wooden cocoon wing components on the upper part of the gantry in an inclined shape and with a gap between adjacent ones in a cocoon shape.
The solar cell module is fixed by arranging the solar cell module fixture according to claim 1 or 2 between the solar cell modules arranged side by side on the insulator component of the module base,
Furthermore, the gap between the solar cell modules and the gap between the solar cell module fixture and the upper surface of the solar cell module are filled with a waterproofing agent.

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