JP2001254494A - Solar battery module, solar battery unit, and installing method for solar battery panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solar battery unit which can secure the liquid-tight state of a solar battery panel. SOLUTION: A first fitting member 3 to connect adjacent ends of a plurality of solar battery panels 2 and a second fitting member 4 fitted to a periphery of a plurality of solar battery panels are provided, the first fitting member and the second fitting member have body portions 3, 35 formed of an elastic material, the body portions have insertion grooves 14, 14a in which the periphery of the solar battery panels is inserted by first holding pieces 12, 12a and elastically deformed holding pieces 13, 13a and a fixed groove along the insertion grooves in a surface on the second holding piece side of the body portions, and a fixing member 17 to be pressed against the periphery of the solar battery panels inserted in the insertion grooves by elastically deforming the second holding piece is pressed in an attachable/detachable manner in the fixed groove.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an installation method for installing a solar cell module, a solar cell unit and a solar cell panel used on a roof or a wall of a building or as a roof tile.

[0002]

2. Description of the Related Art A solar cell panel is known as one of means for obtaining electric energy.
As a solar cell module or a solar cell unit, it is often installed in a place easily exposed to solar energy, such as a building roof or a wall surface.

[0003] A solar cell module is formed by providing a mounting bracket for mounting the solar cell panel to a fixed portion such as a roof or a wall of a building around a solar cell panel. The battery panel is formed by integrally attaching the battery panel in a planar manner by a mounting member. Then, the solar cell module and the solar cell unit are installed by attaching the mounting metal to the connecting metal fixed to the fixing portion.

In a solar cell module or a solar cell unit, electric components such as wiring are provided on the lower surface of the solar cell panel. Therefore, in order to prevent rainwater from entering the lower surface side, a connecting portion between the mounting bracket and the solar cell panel is provided. Packing is provided to make a liquid-tight structure.

In order to secure the liquid tightness between the mounting bracket and the solar cell panel by packing, an insertion groove having a U-shaped cross section with one side open is formed in the mounting bracket, and the insertion groove having the same U-shaped cross section is formed in the insertion groove. After the packing is mounted, the peripheral portion of the solar cell panel is inserted here.

[0006]

According to such a structure, the peripheral portion of the solar cell panel is simply inserted into the insertion groove of the mounting bracket via the packing. Therefore, in order to make the solar cell panel insertable into the insertion groove, the thickness of the packing is limited, and it cannot be made sufficiently thick.

As a result, when the solar cell panel is mounted in the insertion groove, the packing may not be sufficiently compressed, and may not be securely and firmly adhered to the solar cell panel. From the bottom to the bottom, which may cause poor liquid-tightness.

The present invention provides a solar cell module, a solar cell unit, and a method for installing a solar cell panel, which can surely prevent rainwater from flowing from the peripheral portion of the upper surface of the solar cell panel to the lower surface. is there.

[0009]

According to a first aspect of the present invention, there is provided a solar cell module in which a mounting member for mounting the solar cell panel to a fixing portion is provided around the solar cell panel. An insertion groove for inserting a peripheral portion of the solar cell panel with a first holding piece and an elastically deformable second holding piece, and a body portion having a body portion formed of a material; A fixing groove is formed along the insertion groove on the surface of the second holding piece side, and the second holding piece is elastically deformed in the fixing groove and inserted into the insertion groove. The solar cell module is characterized in that a fixing member for liquid-tightly pressing the periphery of the solar cell panel is detachably press-fitted.

According to a second aspect of the present invention, in a solar cell unit in which a plurality of solar cell panels are integrally connected in a plane, a first unit for connecting adjacent ends of a plurality of solar cell panels arranged in parallel. It has an attachment member and a second attachment member attached to the periphery of the plurality of solar cell panels arranged side by side, wherein the first attachment member and the second attachment member are:
An insertion groove for inserting a peripheral portion of the solar cell panel by a first holding piece and an elastically deformable second holding piece, and a body having a main body formed of an elastic material; A fixing groove is formed along the insertion groove on the surface of the second holding piece side of the portion, and the second groove is formed in the fixing groove.
A fixing member for elastically deforming the holding piece of the above and pressing in a liquid-tight manner to a peripheral portion of the solar cell panel inserted into the insertion groove, is detachably press-fitted.

The invention according to claim 3 is the solar cell unit according to claim 2, wherein the first mounting member has a pair of insertion grooves formed on both sides of the main body.

The invention according to claim 4 is the solar cell unit according to claim 2, wherein the second mounting member has one insertion groove formed on one side of the main body.

According to a fifth aspect of the present invention, there is provided an installation method for mounting a solar cell panel to a fixing portion, wherein a mounting member is mounted on a peripheral portion of the solar cell panel, and the fixing member is fixed to the fixing portion. Wherein the mounting member has a main body formed of an elastic material, and the main body includes a first holding piece and a second holding piece that is elastically deformable. A fixing groove is formed along the insertion groove on the surface of the main body portion on the side of the second holding piece, and the second holding piece is elastically provided in the fixing groove. And a fixing member that is liquid-tightly pressed into a peripheral portion of the solar cell panel inserted into the insertion groove and is press-fitted to be detachable.

According to the first to fifth aspects of the present invention, the second elastically deformable second member is inserted into the fixing groove by pressing the fixing member into the fixing groove in the solar cell panel having the peripheral portion inserted into the insertion groove of the mounting member. Can be elastically pressed against the peripheral portion of the solar cell panel, and the peripheral portion of the solar cell panel can be reliably sealed by the first and second clamping pieces. Moreover, since the mounting member is formed of an elastic material, the first and second holding pieces have the same function as the packing, so that the packing is not required.

[0015]

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

FIGS. 1 to 6 show a first embodiment of the present invention. FIGS. 5 and 6 show a solar cell unit 1, which is composed of a plurality of solar cells arranged in a plane. Adjacent ends of the battery panels 2 are connected by a first attachment member 3, and the connected solar cell panels 2
Is provided with a second mounting member 4 in the peripheral portion of the second mounting member.

In this embodiment, the solar cell unit 1
Is formed by arranging four solar cell panels 2 vertically and horizontally two by two. In addition, the number of the solar cell panels 2 constituting the solar cell unit 1 is not limited to four, but may be two or more.

The solar cell unit 1 is configured such that the first mounting member 3 and the second mounting member 4 are mounted on a mounting bracket 23, which will be described later, which is fixed to a fixing portion 5 such as a roof or a wall of a building. Has become.

As shown in FIGS. 1 and 2, the first mounting member 3 is made of silicon rubber, chloroprene rubber, EPD.
It has a main body 11 formed of an elastic material such as M. A pair of first holding pieces 12 are formed on both sides in the width direction of the main body 11, and a pair of second holding pieces 13 are formed on both sides in the width direction opposite to the first holding pieces 12. . Insertion grooves 14 are formed between the first holding piece 12 and the second holding piece 13, respectively. The distal ends of the first holding piece 12 and the second holding piece 13 are separated without contact as shown in FIG. 1 when no external force is applied.

At the center in the width direction of the upper surface (referred to as the upper surface) of the main body 11 on which the second holding pieces 13 are provided, that is, at the portion between the pair of second holding pieces 13, A fixing groove 15 opened on the upper surface of the groove 11 is formed substantially parallel to the insertion groove 14 over the entire length. A pair of recesses 16 are formed on the inner surfaces on both sides of the fixing groove 15 over the entire length.

A fixing member 17 is press-fitted into the fixing groove 15. The sectional shape of the fixing member 17 is the same as that of the fixing groove 15.
And a pair of convex portions 18 corresponding to the concave portions 16 are formed on both sides in the width direction over the entire length. The fixing member 17 can be removably press-fitted into the fixing groove 15, and the protrusion 18 elastically engages with the recess 16 at the time of press-fitting.

When the fixing member 17 is pressed into the fixing groove 15,
The pair of second holding pieces 13 are elastically deformed in a direction indicated by an arrow A in FIG. That is, the tip of the second holding piece 13 is
Elastically deform in the direction approaching the tip of the holding piece 12.

The main body 11 has a pair of mounting grooves 19 formed on both sides of the lower portion of the first holding piece 12 over the entire length thereof. The first mounting member 3 is mounted and held on the mounting bracket 23 fixed to the fixing portion 5 such as a roof or a wall of a building by screws 22 by the pair of mounting grooves 19.

When it is necessary to maintain the liquid tightness between the fixing portion 5 and the mounting member 23, a packing may be provided between these joining surfaces, though not shown, in a sheet form.

The mounting bracket 23 has a rectangular tube portion 24. A first mounting piece 25 having an inverted L-shaped cross section protrudes from one side in the width direction of the rectangular tube portion 24. On the other side in the width direction of the square tube portion 24, a second mounting piece 26 is detachably attached to the square tube portion 24 by screws 27.

A work hole 28 is formed in the upper wall of the square tube portion 24, and the mounting bracket 23 is fixed to the fixing portion 5 by the screw 22 through the work hole 28.

The first mounting member 3 is attached to the mounting bracket 23 by elastically fitting the distal ends of the first mounting piece 25 and the second mounting piece 26 into the pair of mounting grooves 19. Mounted.

In order to mount the first mounting member 3 to the mounting bracket 23, the pair of mounting grooves 19 of the first mounting member 3 are removed with the second mounting piece 26 removed from the rectangular tube portion 24 of the mounting bracket 23. Is fitted to the first mounting piece 25.

Next, after the distal end of the second mounting piece 24 removed from the rectangular tube portion 24 is fitted into the other mounting groove 19 of the mounting member 3, the second mounting piece 24 is attached to the square tube portion 2.
4 is fixed to the side surface with screws 27.

As a result, the first mounting member 3 is mounted on the mounting bracket 23 fixed to the fixing portion 31. That is, the first mounting member 3 and the mounting bracket 23
And are connected in a liquid-tight and detachable manner.

The ends of the solar cell panels 2 adjacent to the solar cell unit 1 are inserted and held in the insertion grooves 14 of the first mounting member 3 mounted on the mounting bracket 23 in a liquid-tight manner. When inserting and holding the end of the solar cell panel 2 in the insertion groove 14, the fixing member 17 is first removed from the fixing groove 15 as shown in FIG. In this state, it is possible to rotate and deform the pair of second holding pieces 13 in an ascending direction opposite to the direction indicated by arrow A while elastically deforming the pair of second holding pieces 13. The insertion groove 14 is opened by rotating and deforming in the ascending direction, and the end of the solar cell panel 2 is inserted into the insertion groove 14.

The solar cell panel 2 is mounted such that the surface on which wirings (not shown) are provided (the lower surface) is on the lower side. In some cases, it is required to join a steel plate 29 to the lower surface of the solar cell panel 2 for fire protection. In such a case, the steel plate 29 is joined to the lower surface of the solar cell panel 2 in such a state. Is inserted into the insertion groove 14.

Next, when the fixing member 17 is pressed into the fixing groove 15 as shown in FIG. 2, the fixing groove 15 is expanded by the fixing member 17, so that the pair of second holding pieces 13 are elastically moved in the direction of arrow A. Deformation. Thereby, the front ends of the pair of second holding pieces 13 are pressed against the upper surface of the end of the solar cell panel 2, so that the upper and lower surfaces of the end of the solar cell panel 2 are in contact with the first holding piece 12 and the second holding piece. It is elastically pinched and fixed by the tip of the piece 13.

That is, by pressing the fixing member 17 into the fixing groove 15, the second holding piece 13 can be pressed into contact with the peripheral portion of the upper surface of the solar cell panel 2. Can be held and fixed in a liquid-tight manner.

As shown in FIG. 5, the first mounting member 3 is formed in a cross shape in a plan view, and the four solar cell panels 2 arranged side by side each have two sides. It is held by the first mounting member 3.

The second mounting member 4 provided around the solar cell panel 2 in which the solar cell units 1 are arranged side by side
As shown in FIGS. 3 and 4, like the first mounting member 3, it has a main body 35 formed of an elastic material such as silicon rubber, chloroprene rubber, or EPDM. The main body 35 includes the first holding piece 12 only on one side in the width direction.
a and the second holding piece 13a form an insertion groove 14a. The main body 35 is provided with the fixing groove 15 and the fixing member 1.
It has the same configuration as the first mounting member 3 in that it has a pair of mounting grooves 19 for mounting the mounting member 7 and the mounting bracket 23.

Then, the second mounting member 4 is inserted into its insertion groove 14a together with the steel plate 29 joined to the lower surface, at the periphery of the solar cell panel 2 arranged side by side. The two holding pieces 12a and 13a are held in a liquid-tight manner.

The both ends of the second mounting member 4 are 45
A pair of second attachment members 4 provided on two side portions of the solar cell unit 1 that are inclined at an angle of degrees join the inclined surfaces at both ends.

The four end faces of the first mounting member 3 having a cross shape are formed as flat surfaces, and the flat surfaces are joined to the middle of the second mounting member 4.

The joint surface between the pair of second attachment members 4 and the joint surface between the first attachment member 3 and the second attachment member 4 are bonded and sealed with an adhesive to ensure a liquid-tight state. However, if a liquid-tight state can be ensured by, for example, covering with a cover (not shown), it is not necessary to adhere. Also,
Even in the case of bonding, the solar cell unit 1 can be easily disassembled by bonding with an adhesive capable of peeling the bonding state.

According to the solar cell unit 1 having such a configuration, the four solar cell panels 2 are held by the first mounting member 3 and the second mounting member 4. In other words, the solar cell panel 2 has a peripheral portion at each of the mounting members 3,
4 is inserted into the insertion grooves 14 and 14a, and is clamped and fixed between the first clamping pieces 12 and 12a and the second clamping pieces 13 and 13a.

The second holding pieces 13 and 13a are fixed to the fixing grooves 15
When the fixing member 17 is press-fitted therein, it is elastically deformed and presses against the upper surface of the peripheral portion of the solar cell panel 2 inserted into the insertion grooves 14 and 14a.

Therefore, the periphery of the solar cell panel 2
Since the first holding pieces 12 and 12a and the second holding pieces 3 and 13a are held at a predetermined pressure over the entire length, a liquid-tight state is ensured, and rainwater or the like flows from the upper surface side of the solar cell panel 2 It is possible to prevent wraparound to the lower surface side.

In other words, the solar cell panel 2 does not simply hold the packing by attaching it to the periphery, but holds the first holding pieces 12, 12 a and the second holding pieces 1 of the mounting members 3, 4.
By sandwiching the holding pieces 3 and 13a at a predetermined pressure, the tips of the holding pieces are pressed against the upper and lower surfaces of the solar cell panel 2, so that a liquid-tight state can be reliably ensured.

To mount the solar cell panel 2 to each of the mounting members 3 and 4, the insertion grooves 14, 14a are opened by elastically deforming the second holding pieces 13, 13a upward, and the insertion grooves 14, 14a are inserted into the insertion grooves 14, 14a. After the peripheral portion of the solar cell panel 2 is inserted, the fixing member 17 is simply press-fitted into the fixing groove 15, so that the operation can be performed easily and quickly without using a tool or the like. That is, when the solar cell unit 1 is installed on a roof or a wall surface of a building, the installation can be performed easily and quickly.

The first mounting member 3 and the second mounting member 4 are formed of an elastic material. Therefore, when an impact is applied to the solar cell panel 2 of the solar cell unit 1 due to wind pressure, flying objects, or the like, the impact is applied to the first and second solar cells.
Since the second attachment members 3 and 4 are elastically deformed and absorbed, it is possible to prevent the solar cell panel 2 from being damaged by impact such as wind pressure.

In the first embodiment, the case where the four solar cell panels 2 are arranged in a matrix has been described.
In some cases, a plurality of solar cell panels 2 may be arranged in a line, and in such a case, the first mounting member 3 may be formed in a straight line instead of a cross.

On the other hand, in the first embodiment, the solar cell unit 1 in which a plurality of solar cell panels 2 are arranged in parallel has been described. However, as in the second embodiment shown in FIGS. The present invention can also be applied to a case where the solar cell panel 2 is mounted as a solar cell module 41 on a fixed portion 5 such as a roof or a wall of a building.

That is, in the solar cell module 41 of this embodiment, the second mounting members 4 shown in the first embodiment are provided on the four sides around the solar cell panel 2, respectively. That is, the peripheral portion of the solar cell panel 2 is inserted into the insertion groove 14a of the second mounting member 4 together with the steel plate 29 joined to the lower surface, and the first holding piece 12a and the second holding piece 13a are used in the upper and lower surfaces. Is clamped and fixed.

Both ends of the second mounting member 4 are formed with a 45-degree slope, and the slopes of a pair of adjacent second mounting members 4 are joined at corners of the solar cell panel 2. This joint surface may be adhered with an adhesive to ensure liquid tightness,
Liquid tightness may be ensured by covering with a cover (not shown) without bonding.

The solar cell module 41 has the first
As in the embodiment, the mounting groove 1 of the second mounting member 4
The first and second mounting pieces 25 and 26 of the mounting bracket 23 that is mounted and fixed to the fixing portion 5 are fitted to the mounting member 9.

When it is necessary to ensure liquid tightness between the fixing portion 5 and the mounting bracket 23, a sheet-like packing (not shown) may be interposed between these joining surfaces.

The solar cell module 41 having such a configuration
According to the above, the peripheral portion of the solar cell panel 2 is sandwiched between the first holding piece 12a and the second holding piece 13a of the second mounting member 4. By press-fitting the fixing member 17 into the fixing groove 15, the second holding piece 13a is pressed against the upper surface of the solar cell panel 2, so that the upper and lower surfaces of the entire peripheral portion of the solar cell panel 2 are in contact with the first holding piece 12a. It is clamped and fixed by the second clamping piece 13a.

Therefore, as in the first embodiment, the peripheral portion of the solar cell panel 2 is held in a liquid-tight manner by the second mounting member 4, thereby preventing rainwater or the like from flowing from the upper surface to the lower surface. can do.

Since the second mounting member 4 is formed of an elastic material, when a shock such as a wind pressure or a scattered object is applied to the solar cell panel 2, the second mounting member 4 elastically applies the shock. Deform and absorb. Therefore, it is possible to prevent the solar cell panel 2 from being damaged by an impact such as wind pressure.

The present invention is not limited to the above embodiments. For example, first and second attachment members 3, 4
Is fixed to the fixing portion 5, a mounting bracket 23 is mounted on the fixing portion 5, and the first and second mounting members 3 and 4 are mounted on the mounting bracket 23. The fixing member 4 may be directly fixed to the fixing portion 5 with a screw, or a convex portion may be provided on the lower surface of each of the mounting members 3 and 4, and the convex portion may be elastically fitted to the concave portion of the fixing portion for mounting. .

Although the first mounting member 3 and the second mounting member 4 are used in the solar cell unit 1 and the solar cell module 41, the insertion groove 14a is formed in one second mounting member 4. Alternatively, the first mounting member 3 having two insertion grooves 14 may be used, and only one of the insertion grooves 14 may be used.

[0058]

As described above, according to the present invention, an insertion groove is formed by a first holding piece and a second holding piece on a holding member made of an elastic material, and the insertion groove is formed in the insertion groove. By inserting the end portion and pressing the fixing member into the fixing groove formed in the holding member, the second holding piece is elastically deformed and pressed against the solar cell panel.

Therefore, the end of the solar cell panel is held between the first holding piece and the second holding piece, so that the holding member can be held in a liquid-tight state. Moreover, when the end of the solar cell panel is inserted into the insertion groove, the solar cell panel can be held and fixed to the holding member by press-fitting the fixing member into the fixing groove. Can be done.

The holding member is made of an elastic material, and the first and second holding pieces also serve as packing, so that packing of separate parts is not required, and the number of parts can be reduced. In addition, in the solar cell unit and the solar cell module, since the holding member elastically deforms and absorbs the impact such as wind pressure applied to the solar cell panel, damage to the solar cell panel may be prevented.

[Brief description of the drawings]

FIG. 1 is a sectional view of a mounting structure of a first mounting member according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state where an end of the solar cell panel is held by a first mounting member.

FIG. 3 is a sectional view of a mounting structure of a second mounting member.

FIG. 4 is a cross-sectional view showing a state where the end of the solar cell panel is held by the second mounting member.

FIG. 5 is a plan view of the solar cell unit.

6 is a cross-sectional view of the solar cell unit along the line XX in FIG.

FIG. 7 is a plan view of a solar cell module according to a second embodiment of the present invention.

8 is a cross-sectional view of the solar cell module along the line YY in FIG.

[Explanation of symbols]

 Reference numeral 2: solar cell panel 3: first mounting member 11, 35: main body 12, 12a: first holding piece 13, 13a: second holding piece 13, 14a: insertion groove 15: fixing groove 17: fixing member 31 ... fixed part

Claims (5)

[Claims] 1. A solar cell module in which an attachment member for attaching the solar cell panel to a fixing portion is provided around a periphery of the solar cell panel, wherein the attachment member has a main body formed of an elastic material, The main body has an insertion groove for inserting a peripheral portion of the solar cell panel with a first holding piece and a second elastically deformable holding piece, and a surface on the second holding piece side of the main body. A fixing groove is formed along the insertion groove, and the second holding piece is elastically deformed in the fixing groove and liquid-tightly pressed against a peripheral portion of the solar cell panel inserted in the insertion groove. A solar cell module, wherein a fixing member to be detached is press-fitted detachably. 2. A solar cell unit in which a plurality of solar cell panels are integrally connected in a plane, a first mounting member connecting adjacent ends of the plurality of solar cell panels arranged in parallel, A second attachment member attached to a peripheral portion of the provided plurality of solar cell panels; and the first attachment member and the second attachment member have a main body formed of an elastic material. The main body portion has an insertion groove for inserting a peripheral portion of the solar cell panel by the first holding piece and the second elastically deformable holding piece, and a surface of the body portion on the second holding piece side. A fixing groove is formed along the insertion groove, and the second holding piece is elastically deformed in the fixing groove in a liquid-tight manner around a solar cell panel inserted into the insertion groove. The fixed member to be pressed is detachably press-fitted. Solar cell unit to be. 3. The solar cell unit according to claim 2, wherein the first mounting member has a pair of insertion grooves formed on both sides of the main body. 4. The solar cell unit according to claim 2, wherein the second mounting member has one insertion groove formed on one side of the main body. 5. An installation method for mounting a solar cell panel to a fixing portion, comprising: a step of mounting a mounting member around a periphery of the solar cell panel; and a step of fixing the mounting member to the fixing portion. The mounting member has a main body formed of an elastic material, into which a peripheral portion of the solar cell panel is inserted by a first holding piece and a second elastically deformable holding piece. A fixing groove is formed along the insertion groove on the surface of the main body portion on the side of the second holding piece, and the second holding piece is elastically deformed in the fixing groove. A method for installing a solar cell panel, characterized in that a fixing member to be liquid-tightly pressed into a peripheral portion of the solar cell panel inserted into the insertion groove is detachably press-fitted.