JP2013136928A - Installation method of solar power generation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for installing a solar power generation device that can be safely installed on a roof of a building such as a factory while continuously using an existing corrugated slate after reinforcing the corrugated slates forming the roof, provides sufficient stability for the installed device when a fall-off preventing measure is taken between respective components, and enables an economic burden on a construction client to be reduced and operating time to be shortened by reinforcing only some of the slates and thus reducing work area.SOLUTION: An method of installing a solar power generation device on an existing corrugated slate roof comprises the steps of reinforcing the entire surface or a part of the existing corrugated slate S before installing the solar power generation device, and installing an attaching device on the reinforced corrugated slate S and attaching a solar power generation panel unit P to the installed attaching device. In addition, the step of reinforcing the slate S involves each of substrate treatment, primer coating and hardener coating steps for the entire surface or a part of the existing corrugated slate S.

Description

  The present invention relates to a method for installing a solar power generation device. More specifically, solar power including a photovoltaic power generation panel unit is obtained by repairing or strengthening (hereinafter referred to as “reinforcement”) a corrugated slate (hereinafter also referred to as “corrugated slate”) roof formed of existing stone-based materials. The present invention relates to a method capable of safely installing a power generation device.

In recent years, solar power generation has been attracting attention from the viewpoint of preventing global warming, and it is expected that solar power generation facilities will be popularized by the “surplus power purchase system for solar power generation” started in FY2009. ing.
In addition, the nuclear power plant accidents caused by the Great East Japan Earthquake triggered a series of shutdowns of the nuclear power plant, resulting in a shortage of power in each region. Therefore, the introduction of solar power generation facilities is being studied at various places such as offices and factories.

  When installing solar power generation equipment on the roof of a factory, etc., instead of installing the solar power generation panel directly on the roof, members may be placed between the roof and the solar power generation panel. As an example of a member, an attachment device for a solar power generation device (also referred to as a “solar power generation panel unit”) as shown in Patent Document 1 has been proposed.

  An attachment device for a solar power generation device according to Patent Document 1 includes a mount for installing the solar power generation device, and a plurality of fixtures that connect the mount to a slate roof, and includes a mountain (also referred to as a convex portion) and a valley. A plurality of fixtures are provided so as to be attached to at least one portion of a crest where slate members of a plurality of adjacent corrugated slate members having a portion (also referred to as a recess) do not overlap each other.

JP 2011-157713 A

  As disclosed in Patent Document 1, corrugated slate members are widely used as roofs for factories and the like, and among them, artificial corrugated slate formed by mixing fibers and cement with light is light and can be processed. Since it is easy and relatively inexpensive, it is widely used.

  However, the existing corrugated slate may become brittle due to aging deterioration due to the influence of rain, sunlight, etc. or due to shrinkage of cement due to hardening over time. If done, there is a risk of stepping or breaking the waveform slate, which is dangerous. In addition, even if the installation work itself is completed successfully, the strength around the hole drilled for attaching the fixture of the mounting device will decrease, or the deteriorated waveform slate will withstand the weight of the photovoltaic power generator. There is also a possibility of partial breakage or breakage.

  On the other hand, when installing a solar power generation device, it is possible to replace it with a new corrugated slate or a metal slate with higher strength, but in particular, large-scale buildings such as factories have introduced the solar power generation device. In addition to the cost burden associated with the construction, it is a financial burden on the owner side to carry out such construction, and the work in the building where the replacement work is carried out may be suspended for safety reasons. Further economic burdens may occur.

(Object of invention)
Accordingly, an object of the present invention is to reinforce an existing corrugated slate roof that constitutes the roof of a building such as a factory, so that the corrugated slate can be continuously used and the photovoltaic power generation apparatus can be safely installed on the roof. It is to provide a method.

  Moreover, the objective of this invention is providing the installation method of a solar power generation device which can anticipate the stability of the installation to the roof of a solar power generation device by preventing drop-out between each member.

  Furthermore, an object of the present invention is to provide a solar power generation apparatus installation method that can be expected to reduce the economic burden on the owner side by reducing the work area and shorten the work time by performing reinforcement of the waveform slate only at a required location. There is to do.

The means of the present invention taken to achieve the above object are as follows.
(1) The present invention is a method of installing a solar power generation device on an existing roof made of a corrugated slate formed of a stone-based material, the solar power generation device including a solar power generation panel unit A mounting device that is disposed between the solar power generation panel unit and the roof and attaches the solar power generation panel unit onto the corrugated slate, and the installation method of the solar power generation device includes the solar power generation device. Repairing or strengthening all or part of the existing corrugated slate before installation, installing the mounting device on the corrugated slate after the repairing or strengthening operation, and installing the photovoltaic panel unit on the mounting device A step of repairing or strengthening the slate, and a step of applying a primer to the entire surface or a part of the existing slate, applying a primer, and applying a curing agent. Characterized Mukoto a method of installing a photovoltaic power generator.

  In the invention of (1), when installing a solar power generation device on the roof of a facility using a corrugated slate formed of a stone-based material, the existing corrugated slate is reinforced by the above-described process, Install a power generator. For this reason, breakage or breakage of the slate during installation or after installation is prevented or the risk is reduced. In addition, since the existing slate is used, it is not necessary to change to a new slate, and the economic burden on the owner side is reduced.

  (2) In the invention of (1), the mounting device includes a gantry member installed on the corrugated slate, and a plurality of fixtures used to connect the gantry member to the corrugated slate roof that has been repaired or strengthened. The mount member includes a connecting member of a member attached on the mount member, and each of the fixtures has a screw-like or nail-like shaft portion, and the shaft portion is Either the ceiling member or the corrugated slate peak portion is inserted into a hole formed in the mount member and the corrugated slate peak portion, and the shaft portion is either the corrugated slate, the ceiling wall or the steel frame that supports the corrugated slate. In this case, the gantry member may be fixed to the corrugated slate.

  In the invention of (2), the shaft portion of the fixing device according to the attachment device passes through the attachment device and the corrugated slate to reach either the corrugated slate, the ceiling wall or the steel frame that supports the corrugated slate. The gantry member is fixed to the corrugated slate or inserted into the mounting device and the hole formed in the corrugated slate and reaches the corrugated slate, the ceiling wall that supports the corrugated slate, or the steel frame. Is fixed to the waveform slate. Thereby, stability of the installation of the solar power generation device on the roof can be expected.

  (3) In the invention of (1) or (2), the mounting device includes an installation frame for fixing the photovoltaic panel unit, and the installation frame is between the photovoltaic panel unit and the gantry member. It may be arranged in.

  In the invention of (3), the installation pattern of the photovoltaic power generation panel unit is increased by the installation frame, and variations of installation modes can be increased.

  (4) The invention according to (1) is provided with a drop-off prevention element for either or both of the connection between the photovoltaic power generation panel unit and the mounting device and the connection between the mounting device and the slate roof. Each member may be connected using

  (5) The invention of the above (2) or (3) is a connection between the photovoltaic panel unit and the mounting device, a connection between the mounting device and the corrugated slate or ceiling wall or steel frame constituting the slate roof, About any of the connection between each member which comprises an attachment apparatus, or these combination, each member may be connected using the instrument provided with the drop-off prevention element.

  In the inventions of the above (4) and (5), the members such as the photovoltaic power generation panel unit and the mounting device are connected by the appliance having the drop-off prevention element, so that the drop-out between the members is prevented, and as a result The stability of the installation of the solar power generator on the roof can be expected.

  (6) In the invention according to any one of the above (1) to (5), in the step of repairing or strengthening the existing waveform slate, the portion to be repaired or strengthened is the entire surface of the existing waveform slate, the waveform Including the place where the solar power generation device on the slate is installed or the peripheral part including the place, the place where the mounting apparatus is installed or the peripheral part including the place, the place where the mount relating to the mounting apparatus is installed or the place Any of the peripheral portion, the peripheral portion of the hole formed in the corrugated slate for attaching the fixing device according to the attachment device, or a combination thereof may be used.

  In the invention of the above (6), not only when reinforcing the entire surface of the existing corrugated slate, but also the required portion of the corrugated slate (for example, only a deteriorated portion excluding a healthy portion or a portion where strength reduction is expected due to drilling or the like) Also in the case of reinforcing the slate, it can be expected to prevent damage or breakage of the slate during installation work or after installation, or to reduce the risk. Furthermore, it can be expected to reduce the economic burden on the owner side by reducing the work area and shorten the work time.

  The “corrugated slate formed of a stone-based material” referred to in the specification and claims of the present application is, for example, a fiber and a stone-based substrate (cement, calcium silicate, gypsum, etc.), It is used to refer to a corrugated artificial slate formed so that convex and concave portions are continuous in the transverse direction.

The “solar power generation panel unit” referred to in this specification and the claims of the present application is, for example, a resin, tempered glass, metal frame, or the like in which a plurality of cells (single elements of a solar cell) are connected in series or in parallel. These are protected and are also called “modules”, and are used to include strings (panels or modules arranged in series and connected in series) and arrays (strings connected in parallel). In addition to the above, devices or members used in solar power generation such as storage batteries and power conditioners may be included.
It should be noted that the “solar power generation device” referred to in the present specification (excluding the description of [Background Art] and [Problems to be Solved by the Invention]) and the claims of the present application is a solar power generation panel unit and its Used to indicate a combination of mounting devices.

  Examples of the primer or the curing agent applied in the corrugated slate reinforcing operation in the present specification and the claims of the present application include, for example, a urethane-based resin or an epoxy-based resin liquid that penetrates and hardens inside the corrugated corrugated slate. Although a coating agent is mentioned, it is not limited to this, The other liquid coating agent which show | plays the same effect | action can also be used.

  Examples of the “apparatus having a drop-off prevention element” in the present specification and the claims of the present application include, for example, a hyper load nut (inc. KHI (registered trademark), a hyper load spring (registered trademark) manufactured by KHI Co., Ltd., which prevents loosening and falling off of the nut by attaching it to the extra length of a normal-shaped bolt, is suitable for this. It is not limited and is not particularly limited as long as it is a member having the same effect.

  The term “application” as used in the present specification and claims of the present application is used in a sense including means by a known means such as spraying or application by a painting roller or other equipment.

  Examples of the “connected body of members to be mounted on the gantry member” in the present specification and claims of the present application include, for example, screws or bolts, but are not limited thereto, and include magnet members and fittings. It is used in the meaning including other known members or known techniques that can connect both members such as members.

  According to the installation method of the solar power generation device according to the present invention, when installing the solar power generation device on the roof of the facility using the corrugated slate formed of a stone-based material, the existing corrugated slate was reinforced. Since the solar power generator is installed above, there is no need to change to a new slate, reducing the economic burden on the owner side. Moreover, since the existing corrugated slate is reinforced, the corrugated slate is prevented from being damaged or broken during or after installation, or the risk is reduced.

  In addition, in the case where each member is attached using an appliance provided with a drop-off prevention element, the fixture prevents the drop-out between each member, and consequently the stability of the installation of the photovoltaic power generator on the roof is improved. I can expect.

  According to the installation method of the photovoltaic power generation apparatus that reinforces the required part of the waveform slate, even when reinforcing the required part instead of the entire surface of the waveform slate, the waveform slate is damaged or broken during or after installation. Prevention or risk reduction can be expected. Furthermore, it can be expected to reduce the economic burden on the owner side by reducing the work area and shorten the work time.

The figure (a) of the state where the photovoltaic power generation apparatus was installed on the corrugated slate roof after reinforcement, the figure (b) which showed the composition of the corrugated slate for convenience, and the composition of the corrugated slate were shown in cross section Explanatory drawing consisting of figure (c). Exploded perspective view of the fixture shown in FIG. Exploded perspective view of the fixture shown in FIG. Front view explanatory drawing which shows the state which installed the photovoltaic power generation panel on the waveform slate roof using the fixture shown in FIG.

The embodiment of the present invention will be described in more detail with reference to FIGS.
The mounting device 1 in the present embodiment includes a gantry member 10 and an installation frame 2, and a roof on which a corrugated slate S formed of a stone-based material is laid (hereinafter sometimes simply referred to as a “slate roof”). ) Is used for the work of installing the photovoltaic power generation panel unit P (see FIG. 1A).
More specifically, the mounting device 1 is configured to install a plurality of gantry members 10 side by side on a slate roof, and is attached so as to bridge the installation frames 2 on each gantry member 10, and the installation frame 2 is sun-mounted. The photovoltaic panel unit P is installed.
Details of each member of the attachment device 1 will be described below.

[Base material]
The gantry member 10 includes a gantry body 101 and a fixture 150 (see FIG. 3), and details of each member will be described below.

(Base frame)
The gantry body 101 is formed of a rectangular metal plate, a flat top plate portion 110 located at the center in the longitudinal direction of the gantry body 101, a misalignment prevention portion 120 provided at the periphery of the top plate portion, (See FIG. 2 and FIG. 4). In this embodiment, the gantry body is formed of the above-described material, but may be formed of other known materials (for example, synthetic resin, fiber reinforced plastic, etc.).

  The top plate portion 110 is a flat surface portion of the gantry main body 101 excluding the misalignment prevention portion 120, and an installation frame mounting bolt 130 that is a connecting body of members attached on the gantry member, and the top plate portion 110. A plurality of (four in the present embodiment) fixing tool insertion holes 112 formed in the vicinity of the four corners are provided. Each fixture insertion hole 112 is formed in a round hole. The installation frame mounting bolt 130 protrudes from the center of the top plate portion 110.

  The deviation preventing part 120 is provided at each edge in the longitudinal direction of the periphery of the top plate part 110. Each deviation prevention part 120 is located so as to face each other, and is provided to be inclined downward from the top plate part 110 that is a horizontal plane. Further, the bending angle and shape of the deviation preventing portion 120 are such that when the gantry member 10 is installed on the waveform slate S, each deviation preventing portion 120 comes into contact with or follows the inclined portion of the waveform slate S. It is configured in an angle and shape.

(Fixture)
Each fixture 150 includes a tapping screw portion including a head portion 151 having a hexagon bolt head and a flange portion, a shaft portion 152, a washer 153 attached to the shaft portion 152 of the screw, and a screw shaft portion. And a seal member 154 attached to 152 (see FIGS. 2 and 3). Note that the fixture, the washer, and the seal member are separate members in the fixture in the present embodiment, but the present invention is not limited to this, and each member may be integrated. Further, the shaft portion may be a bolt instead of a screw.

  In the present embodiment, the shaft portion of the fixture is a tapping screw. However, the present invention is not limited to this, and may be, for example, a bolt whose tip is not pointed as described above. Moreover, you may change suitably the length of the axial part of a fixing tool by the structure of the roof to install.

  The washer 153 is disposed below the head 151 of the fixture 150 and is configured to press the seal member 154 toward the front side of the screw shaft 152 as the fixture 150 is screwed. Note that the washer in this embodiment is a separate member from the screw, but is not limited to this. For example, the washer is formed in a flange shape under the head of the screw. Good.

  The seal member 154 is made of a synthetic resin having no water permeability and elasticity, and is formed in a cylindrical shape having an insertion hole through which a screw shaft portion 152 passes in a central portion in the transverse direction. The material and shape of the seal member in the present embodiment are as described above, but the present invention is not limited to this, and when the contact member is brought into contact with the fixture insertion hole provided in the gantry member, the corresponding contact portion is defined. Any material and shape that can be watertight are not particularly limited.

  Further, in the present embodiment, the means for pressing the waterproof seal member against the shaft portion side of the fixture is due to the head and the washer of the fixture, but is not limited to this, for example, The pressing may be performed by pressing the proximal end of the fixture head itself (pressing only by the head), pressing by a flange formed on the proximal end of the head, or the like.

(Installation frame)
The installation frame 2 is a rod-like body that is placed on the top plate portion 110 of each gantry member 10 and is horizontally mounted in the short direction of each gantry member 10, and is formed of C channel steel material. Yes.

  The installation frame 2 has a required number of mounting holes (lower mounting holes; illustration and reference numerals omitted) of the installation frame mounting bolts 130 protruding from the gantry member 10 at required locations on the lower surface during installation. In addition, a plurality of mounting holes (upper mounting holes; illustration and reference numerals omitted) of mounting bolts 201 used for the photovoltaic power generation panel unit P are formed at required locations on the upper surface during installation.

  In the present embodiment, the installation frame has the shape and material described above, but is not limited to the shape and material. For example, the shape of the installation frame is a rod-shaped body having a cross section of a mountain shape, a Z shape, an H shape, an I shape, or the like. The material may be other known materials such as fiber reinforced plastic.

  In the present embodiment, the upper portion of the installation frame is attached to the photovoltaic panel unit mounting structure (the hole formed in the frame of the photovoltaic power generation panel unit is aligned with the position of the upper mounting hole of the installation frame by the mounting bolt. However, the present invention is not limited to this mode, and may be changed to a matching mounting shape or structure according to the mounting structure of the photovoltaic power generation panel unit. For example, when the mounting structure of the photovoltaic power generation panel unit is a rail-shaped member with a narrowed base side, and the shape of the upper part of the installation frame is a mounting groove formed so as to match the shape of the rail member Etc.

[Installation method of solar power generator]
With reference to FIGS. 1-4, the installation method of the solar power generation device which uses the fixture 1 is demonstrated.
The explanatory diagram of FIG. 1 is a diagram (a) in a state in which a photovoltaic power generation apparatus is installed on the corrugated slate S roof after reinforcement, and the configuration of the corrugated slate S for convenience (since it has a laminated structure). The intermediate part not shown in the table is shown in a circle) and the figure showing the configuration of the waveform slate S in a sectional view (c).

[1. (Waveform slate reinforcement process)
First, the work which reinforces waveform slate S in the existing roof which is an installation place of a solar power generation device is performed. In the present embodiment, the reinforcing work is a ground treatment work on the entire surface of the existing corrugated slate S formed of a stone-based material, then a primer coating work, and finally a curing agent coating work. Is.

(1) Subsurface treatment work The corrugated slate S before reinforcement is formed of cement containing fibers and the like installed outdoors for several years, and is a deteriorated portion S2 to which moss or dust attached to the surface adheres. Has occurred. In addition, the inner part further than the deteriorated part S2 is a healthy part S1 that is not in a deteriorated state (see FIG. 1C).
For this reason, as the ground treatment, dirt, moss, etc. adhering to the surface of the corrugated slate S (the degraded portion S2) are washed or removed by a high-pressure washing machine or the like.

(2) Primer application operation A primer that penetrates and cures inside the slate is applied to the corrugated slate S after the cleaning operation. The primer is a liquid coating material, and penetrates and cures until reaching the sound part S1 and the part of the deteriorated part S2 of the corrugated slate S, and the penetration part is cured by the penetrated primer. As a result, the primer penetration portion S3 is formed in the primer penetration portion, which is reinforced more than the corrugated slate before reinforcement to improve the bending strength and harden the deteriorated portion of the surface (see FIG. 1 (c)). .

In this embodiment, the primer is applied after the surface cleaning of the waveform slate S. However, depending on the nature of the primer such as permeability, the primer may be applied as it is without performing the cleaning operation.
The primer may be applied several times, for example, by applying the primer to an umbrella nail that holds the corrugated slate and applying the primer to the slate, or by repeatedly applying the primer to the slate several times.

(3) Applying operation of curing agent A curing agent is applied so as to cover the primer infiltration portion S3. In the present embodiment, two types of coating agents are applied as the curing agent, the coating portion S4 is formed by the coating agent applied on the primer infiltration portion S3, and the surface portion is formed by the coating agent applied on the coating portion S4. S5 is formed (see FIGS. 1B and 1C).

  In the present embodiment, the coating portion is formed by spraying and applying a solventless ultrafast curing polyurethane resin having water vapor permeability with a spray machine. The coat portion improves bending strength and waterproofness. In addition, about a coating part, it is not limited to the said raw material or a construction method, The thing by other well-known materials or a well-known technique which show | plays an equivalent effect may be used.

  In the present embodiment, the surface portion is formed by applying a synthetic resin coating having water resistance and weather resistance. The surface portion is not limited to the above-mentioned material or construction method, but may be other known materials or known techniques that have the same effect, and have heat insulation or heat reflectivity. It may be.

  The reinforcement work in the present embodiment is as described above, but is not limited to this, and is based on another known technique that provides an equivalent effect of reinforcing a corrugated slate formed of a stone-based material. In addition, the reinforcing portion may be a part of the waveform slate instead of the entire surface. A part of the corrugated slate is, for example, a location where the installation tool is installed or its peripheral portion, a location where the mount member is installed or its peripheral portion, the peripheral portion of the hole drilled into the corrugated slate for the fixture, Etc.

[2. (Installation process of solar power generator)
The fixture 1 is installed on the corrugated slate S after the reinforcement, and the photovoltaic power generation panel unit P is attached to the fixture 1 after installation.
In the present embodiment, a seal sheet 113 is attached to the back side of the gantry member 10 before installation, and the seal sheet 113 is arranged and attached so as to close each fixing tool insertion hole 112. The seal sheet 113 is sandwiched between the back side of the gantry member 10 and the corrugated slate S when the gantry member 10 is installed, and a hole formed in the corrugated slate S to attach each fixing member 150 described later. This is provided so that rainwater or the like does not permeate into the room indoors (see FIG. 4). In this embodiment, a sheet-like seal member is used, but a known member such as an annular packing may be used.

(1) The gantry member 10 is installed on the waveform slate S according to the following procedure.
First, the location where the gantry member 10 is installed on the corrugated slate S after reinforcement is determined. In installation, each fixture insertion hole 112 formed in the top plate part 110 is positioned on the peak part of the waveform slate S, and each deviation prevention part 120 is connected to the peak part of the waveform slate S. It arrange | positions so that it may contact | abut with the inclination part between trough parts (refer FIG. 4).

When the gantry member 10 is disposed at the location, the gantry member 10 is fixed to the corrugated slate S by the plurality of fixtures 150. More specifically, a plurality of holes (in this embodiment, four locations per gantry member) are drilled in the peaks of the corrugated slate S at locations corresponding to the fixture insertion holes 112, and the fixture 150 is The gantry member 10 is fixed to the corrugated slate S by being inserted or inserted into the hole formed in the corrugated slate S from the upper surface side of the top plate portion 110 through the fixture insertion hole 112.
The required number of gantry members 10 are installed on the waveform slate S in the above procedure.

  In addition, in this Embodiment, although the fixing tool 150 front-end | tip is performing the firmer fixation by penetrating the beam material of the roof which supports the waveform slate S from the lower part (refer FIG. 4), It is not limited to the said aspect, For example, what is fixed only to a slate, what is fixed to structural materials, such as a ceiling wall or steel frame which installs a slate roof, etc. may be sufficient.

(2) The installation frame 2 is attached to a plurality of juxtaposed pedestal members 10 fixed onto the corrugated slate S so as to cross over the corrugated slate S, and the photovoltaic power generation panel unit is attached to the installation frame 2 Install P.

  At this time, the installation frame 2 is mounted in such a manner that the installation frame mounting bolt 130 is inserted into the lower mounting hole of the installation frame 2 and placed on the top plate 110, and is a tool equipped with a drop-off preventing element. The installation frame 2 is attached to each gantry member 10 by attaching and screwing the nut N and the washer 132 to the shaft portion of the installation frame attachment bolt 130 (see FIG. 4).

  Next, the upper mounting holes of the installation frame 2 and the holes (not shown and reference numerals omitted) formed in the frame of the photovoltaic power generation panel unit P are aligned, and the mounting bolts 201 are inserted into both the holes. Fasten. Thereby, the installation frame 2 and the photovoltaic power generation panel unit P are attached (see FIG. 4).

(Work)
With reference to FIGS. 1-4, the effect | action of the photovoltaic device using the fixture 1 and this fixture 1 is demonstrated. 1 and 4 show the installation state of the solar power generation apparatus using the fixture 1.

  As shown to Fig.1 (a), when installing a solar power generation device on the roof of the plant | facility using the corrugated slate S formed with the stone-type raw material, the said corrugated slate S is used for the coating agent of multiple layers. (See FIGS. 1 (b) and 1 (c)), and a solar power generation device is installed thereon. Thereby, the damage or breakage of the waveform slate S during or after installation is prevented or the risk thereof is reduced. Moreover, since the existing waveform slate S is used, it is not necessary to change to a new slate, and the economic burden on the owner side is reduced.

  In addition, since the existing corrugated slate S will continue to be used, the slate that would otherwise be disposed of will be used as-is if the entire replacement work is carried out. As a result, the generation of such waste is avoided. It can be expected to reduce the need for development of a new industrial waste disposal site and contribute to the reduction of environmental burden.

  Moreover, since the hyper load nut N and bolt provided with the drop-off prevention element are used for the connection between each gantry member 10 and the installation frame 2 and the connection between the installation frame 2 and the photovoltaic power generation panel unit P, between each member Dropping is prevented, and as a result, the stability of the installation of the solar power generation device on the roof can be expected.

  Moreover, although the solar power generation apparatus after installation is exposed to rain and snow, the fixture 1 has the fixture insertion hole 112 of the gantry member 10 and the periphery thereof and the seal member 154 of the fixture 150 abutting. Since the upper surface side opening of the fixture insertion hole 112 is watertight, it is prevented or suppressed that water penetrates into the room through the fixture insertion hole 112. Further, in the present embodiment, the waterproof property is further improved by a synergistic effect by the seal sheet 113 attached to the back side of the gantry member 10, and the seal sheet 113 is provided in the gap between the gantry member 10 and the corrugated slate S. By being positioned, rattling between members is reduced (see FIG. 4).

  The terms and expressions used in the present specification and claims are for illustrative purposes only, and are not intended to be limiting in any way. The features described in the present specification and claims and their terms There is no intention of excluding some equivalent terms and expressions. It goes without saying that various modifications are possible within the scope of the technical idea of the present invention.

S Waveform slate S1 Sound part S2 Degraded part S3 Primer penetration part S4 Coat part S5 Surface part P Solar power generation panel unit N Hyper load nut 1 Mounting tool 10 Base member 101 Base body 110 Top plate part 112 Fixture insertion hole 113 Seal sheet 120 Displacement prevention portion 130 Installation frame mounting bolt 132 Washer 150 Fixing tool 151 Head 152 Shaft portion 153 Washer 154 Seal member 2 Installation frame 201 Mounting bolt

Claims (6)

It is a method of installing a solar power generation device on an existing roof composed of a corrugated slate formed of a stone-based material,
The solar power generation device includes a solar power generation panel unit, and an attachment device that is disposed between the solar power generation panel unit and the roof and attaches the solar power generation panel unit onto the waveform slate,
The installation method of the solar power generation device is as follows:
Repairing or strengthening all or part of the existing waveform slate before installing the solar power generation device; and
Installing the mounting device on the corrugated slate after the repair or reinforcement work;
Attaching the photovoltaic panel unit to the installed mounting device;
Including
The step of performing the work of repairing or strengthening the slate includes each work of ground treatment, primer application and curing agent application to the entire surface or a part of the existing slate,
Installation method of solar power generation device. The mounting device includes a gantry member to be installed on the corrugated slate, and a plurality of fixtures used to connect the gantry member to the corrugated slate roof that has been repaired or strengthened.
The gantry member includes a connecting member of a member attached on the gantry member,
Each of the fixing devices has a screw-like or nail-like shaft portion, and the shaft portion penetrates at least the mount member and the peak portion of the corrugated slate, or is a hole formed in the mount portion of the mount member and the corrugated slate. The gantry member is fixed to the corrugated slate by reaching the corrugated slate, the ceiling wall that supports the corrugated slate, or the steel frame.
The installation method of the solar power generation device of Claim 1. The mounting device includes an installation frame for fixing the photovoltaic power generation panel unit, and the installation frame is disposed between the photovoltaic power generation panel unit and the gantry member.
The installation method of the solar power generation device of Claim 1 or 2. Each member is connected using an instrument with a drop-off prevention element for either or both of the connection between the photovoltaic panel unit and the mounting device, the connection between the mounting device and the slate roof,
The installation method of the solar power generation device of Claim 1. Either a connection between the photovoltaic panel unit and the mounting device, a connection between the mounting device and the corrugated slate or ceiling wall or steel frame constituting the slate roof, or a connection between each member constituting the mounting device, or For these combinations, each member is connected using an instrument with a drop-off prevention element,
The installation method of the solar power generation device of Claim 2 or 3. Where the existing waveform slate is repaired or strengthened,
The entire surface of the existing waveform slate,
A location where a photovoltaic power generation device on a waveform slate is installed or a peripheral portion including the location,
A location where the mounting device is installed or a peripheral portion including the location,
A location where a mount related to the mounting device is installed or a peripheral portion including the location,
The periphery of the hole drilled in the corrugated slate to attach the fixture according to the mounting device;
Or any combination thereof.
The installation method of the solar power generation device as described in any one of Claims 1 thru | or 5.

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