JP2012193553A - Device for fixing solar cell module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for fixing a solar cell module, of which fixing part prevents the solar cell module from being damaged by the stress applied to the solar cell module.SOLUTION: A solar cell module has at least two sides which are folded back. The both ends of the folded back portion in the length direction and in the height direction are fixed through cushioning materials or gaps, respectively, so that the solar cell module can be movable. The deflection or stress concentration of the solar cell module is thus reduced, so that the damage of the fixed solar cell module is avoided when the solar cell module is installed.

Description

  The present invention relates to installation of a solar cell module.

  In recent years, environmentally friendly movements have been spreading, and along with this, the spread of solar cells is progressing. In order to use a solar cell, it is necessary to attach the solar cell module which has a photovoltaic cell to a fixing member.

For example, Patent Document 1 discloses a configuration in which a solar cell is sandwiched between an upper surface cover and a lower base and fixed with screws in a state where a bolt is passed through a mounting hole of the solar cell.
Patent Document 2 discloses a configuration in which a solar cell module is placed on a support material and sandwiched between fixing materials, and the fixing material is fixed to the support material with screws outside the end of the solar cell module. Yes.

JP 2001-295438 A JP-A-9-199747

  The solar cell module uses a steel plate or resin sheet of about 1 mm as a reinforcing member for weight reduction. Then, the solar battery cell is laminated together with the reinforcing member with the sealing material so as to be integrally formed as a solar battery module, or the solar battery module not having the reinforcing member is attached on the reinforcing member. Can do.

  When such a solar cell module is installed and fixed on a roof, a wall, or the like, there is a possibility that the fixed solar cell module may be damaged due to stress due to bending due to the influence of wind due to weather.

  When a solar cell module is fixed to a support member fixed to a roof or a wall by opening a through hole in a reinforcing member of the solar cell module as in Patent Document 1 and passing a bolt through the through hole, Even if it is affected, the solar cell module will not come off, but even when bolted with the top cover, stress concentrates around the through hole of the solar cell module, and the periphery of the through hole is deformed and damaged. appear.

  Further, as in Patent Document 2, when the reinforcing member of the solar cell module is not provided with a through hole and the end of the solar cell module is fixed by being sandwiched between a support material and a fixing material, If the solar cell module is not fixed so as not to move, the solar cell module may be blown off by wind. However, when the solar cell module is fixed so as not to move, the solar cell module is subjected to stress due to bending due to wind pressure.

  Therefore, the present invention has been made in view of the above circumstances, and the object of the present invention is to reduce the stress such as wind pressure applied to the solar cell module main body, and also to avoid stress concentration at the fixing portion of the solar cell module. An object of the present invention is to provide a solar cell module with a simple configuration that suppresses deformation of the solar cell module and does not cause damage.

  The solar cell module according to the present invention is attached to a solar cell module in which the entire solar cell is sealed and a rectangular reinforcing member is disposed on the non-light-receiving surface side of the solar cell, and the reinforcing member is opposed to the solar cell module. At least two sides have a reinforcing member bent portion that bends toward the non-light-receiving surface side, and there is a support member on which the reinforcing member bent portion is placed, and this support member is provided at both end portions of the reinforcing member bent portion. Either of them has a support member bent portion in which both ends of the support member are configured to have a gap or to be in contact with each other via a cushion material. And there is a stop seat provided at least in part at a position sandwiched by the support member with respect to the bending portion of the reinforcing member of the solar cell module, and this stop seat has a gap with the solar cell module or a cushion material. It was set as the structure provided in the position which touches via.

  With this configuration, solar cell modules installed on roofs, walls, etc. can be repositioned without damaging the solar cell modules by reducing the deflection and stress concentration of the solar cell modules caused by weather conditions such as wind pressure. It is possible to mount in a state where a restriction is provided. In addition, in the case where the cushion member is provided between the both side ends of the bending portion of the reinforcing member of the solar cell module and the support member bent portion, or at least between the stopper seat and the solar cell module, the solar cell module is Even if vibration is caused by wind pressure or the like, the contact vibration can be reduced.

  In order to fix the position of the stop seat, the stop seat may be fixed directly to the support member by the stop seat fixing member, or the support seat may be fixed to the fixed base fixed to the roof or wall below the support member. You may make it pass through the drilled hole etc. and fix to a stop seat fixing member. A fixing bolt or the like can be used as the stopper seat fixing member. And the stop seat fixing member which is a fixing bolt etc. is located in the side surface of the reinforcement member bending part of a solar cell module. That is, the stopper seat fixing member is provided in a position where it does not come into contact with the solar cell module near the portion where the solar cell module is disposed.

  With this configuration, it is not necessary to provide a through-hole for mounting or fixing in the solar cell module, and it is possible to eliminate a location where deformation or breakage due to concentration of stress at the solar cell module fixing site occurs.

  The present invention can also be applied when arranging a plurality of solar cell modules side by side. The plurality of solar cell modules are arranged so that the bending portions of the reinforcing members are adjacent to each other, and a stopper seat fixing member that fixes the stopper seat directly or indirectly to the support member is arranged between the adjacent solar cell modules. To do. With this configuration, it is possible for one stopper seat to simultaneously restrict the movement of a part of one side of each of adjacent solar cell modules.

  According to the present invention, the solar cell module can be attached to the solar cell module without damaging the solar cell module by reducing the deflection and stress concentration of the solar cell module caused by weather conditions such as wind pressure. Can be attached.

It is a solar cell module attachment structure perspective view concerning this embodiment. It is support part guide rail explanatory drawing which concerns on this embodiment. It is an expansion perspective view which shows the principal part of the solar cell module attachment part which concerns on this embodiment. It is sectional drawing which shows the principal part of the solar cell module attachment part which concerns on this embodiment. It is an expansion perspective view which shows the principal part of the solar cell module attachment part which concerns on 2nd embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In all the drawings, the same reference numerals are given to the same components, and the description will be omitted as appropriate.
FIG. 1 is a perspective view of a solar cell module mounting configuration according to the present embodiment.

  In FIG. 1, a solar battery cell 1 that is a power generation unit of a solar battery is provided on the upper surface of a reinforcing member 2 and is laminated and fixed by a surface protection member and a sealing material (not shown). That is, the solar battery cell 1 is provided on the light receiving surface side where the sunlight hits the reinforcing member 2, and the surface thereof is protected by a light-transmitting member such as glass or fluorine-based resin. The solar cell module 3 configured in this way has a rectangular solar cell module 3 in which the entire opposite long side ends of the solar cell module 3 are predetermined in a direction opposite to the direction in which the solar cells 1 are provided. The reinforcing member bending portion 2a is bent at 90 degrees in length.

  In FIG. 1, the reinforcing member bent portions 2 a of the two solar cell modules 3 are arranged adjacent to each other. And below the reinforcement member bending part 2a, it has a side longer than the length of the reinforcement member bending part 2a, and when two solar cell modules 3 are arrange | positioned, it is rather than the space | interval inside each reinforcement member bending part 2a. The supporting portion guide rail 4 is configured so that at least two short side portions (in the direction in which the two solar cell modules 3 are arranged in FIG. 1) facing each other in a rectangular shape having a wide width are bent at least. The bent portion is arranged on the solar cell module 3 side (light receiving surface side). In the embodiment of FIG. 1, the support portion guide rail 4 has a box bending structure in which four sides are bent. However, as described above, at least two opposing short sides may be bent. (See FIG. 5). That is, the support portion guide rail 4 is a support member on which the reinforcing member bending portion 2a is placed.

  And the reinforcement member bending part 2a of the solar cell module 3 is installed so that it may arrange | position in the box bending internal space of the support part guide rail 4, and also the light-receiving surface side of the at least one part edge part side of the solar cell module 3 The upper stopper seat 5 is provided. The upper retaining seat 5 does not press the solar cell module 3, is in contact with it, has a gap of several mm, or is pressed through a cushioning material so that no stress is applied to the solar cell module 3. To do. In order to fix the upper stopper seat 5 at such a position, a fixing bolt 10 which is a stopper seat fixing member is passed through a through-hole provided in the upper stopper seat 5 and fixed to the support guide rail 4 with screws, or a support portion. The guide rail 4 may be provided with a hole through which the fixing bolt 10 passes, and may be configured to be fixed to a cradle or the like below the hole.

  In FIG. 1, the upper stopper seat 5 is formed in a substantially square shape so that two opposite sides are bent for reinforcement, but is not particularly limited to this structure, is not bent, and has a strength. The thickness may be a plate shape having a thickness (see FIG. 5), or the shape may be a rectangle (see FIG. 5), a circle diameter, an ellipse, or a polygon. Further, the upper retaining seat 5 may be disposed at a position straddling two solar cell modules 3 disposed adjacent to each other, and even if it is an integral part having the same length as that of the support portion guide rail 4, FIG. As described above, the fixing bolt 10 may be divided into the positions where the fixing bolts 10 are arranged, and arranged at substantially equal intervals.

The upper retaining seat 5 has a function of limiting the play range so that the solar cell module 3 does not come off when the solar cell module 3 moves with play in the light receiving surface side direction.
Regarding the movement restriction in the installation direction of the solar cell module 3, the reinforcing member bent portions 2a of the two solar cell modules 3 are at least two short sides (41b in FIG. 5) facing each other where the support portion guide rail 4 is bent. 1), the solar cell module 3 can move in the long side direction in FIG. 1, and the reinforcing member bending portion 2a of the solar cell module 3 is a support member guide rail that is a support member. The guide rail bent portion 4b, which is a bent portion of the support member at which both ends of the support member 4 are bent, is prevented from being detached from the support portion guide rail 4. Details will be described later.

Next, a detailed structure will be described with reference to FIGS.
FIG. 2 is an explanatory view of a support portion guide rail according to the present embodiment, FIG. 3 is an enlarged perspective view showing a main part of the solar cell module mounting portion, and FIG. 4 shows a main portion of the solar cell module mounting portion. It is sectional drawing shown.

  In FIG. 2, as the solar cell module 3, the reinforcing members 2 on the two sides facing each other in the long side direction have the reinforcing member bent portion 2 a, which is longer than the length of the reinforcing member bent portion 2 a of the solar cell module 3. Two solar cell modules 3 are arranged side by side so that the reinforcing member bending portions 2a are adjacent to each other on at least a long support portion guide rail 4.

2 is provided with a fixing bolt hole 4a at a position where the fixing bolt 10 is passed.
And about the attachment of the solar cell module 3, the detail of the attachment part which is the principal part is demonstrated using FIG.3 and FIG.4.

  First, it arrange | positions so that the reinforcement member bending part 2a of the solar cell module 3 may be mounted on the support part guide rail 4. FIG. At this time, as shown in FIG. 3, since the length of the support portion guide rail 4 is longer than the length of the reinforcement member bending portion 2a of the solar cell module 3, the end in the length direction of the reinforcement member bending portion 2a. There is an interval between the portion and the guide rail bent portion 4 b, and this interval becomes a play portion that can move in the length direction of the solar cell module 3.

  Next, a fixing bolt 10 which is a fixing seat fixing member through the spring washer 11 and the washer 12 is inserted into the hole of the upper fixing seat 5 and passed through the cylindrical collar 20, and then for the fixing bolt of the support portion guide rail 4. It is inserted into the hole 4a and fixed with a screw hole or a nut (not shown) provided in the fixed mount 50 below the hole 4a.

  The height of the upper stopper seat 5 is set so that the collar 20 has a predetermined distance between the upper stopper seat 5 and the solar cell module 3 so that the upper stopper seat 5 is not pressed and fixed to the solar cell module 3. It is for decision.

  With this structure, the solar cell module 3 can be configured not to be stressed by pressing. Moreover, as shown in FIG. 4, it can also comprise so that the cushioning material 30 may be provided between the upper stopper seat 5 and the solar cell module 3, and if the elasticity of the cushioning material 30 is large, the cushioning material 30 is interposed. The upper stopper seat 5 and the solar cell module 3 may be arranged without a gap. Further, the cushion material 30 may be fixed in advance to at least one of the solar cell module 3 and the upper retaining seat 5, or is not fixed to any of them, and is a donut-shaped member that penetrates the collar 20. Also good.

  The height of the guide rail bent portion 4b of the support portion guide rail 4 is such that when the solar cell module 3 moves up and down to the light receiving surface side (in the axial direction of the fixing bolt 10), the reinforcing member bends the solar cell module 3. The part 2a should just have the height which cannot remove | deviate.

  Further, the cushion material 31 shown in FIG. 4 may be provided inside the guide rail bent portion 4b. If the cushion material 31 is present, even if the solar cell module 3 vibrates due to wind pressure or the like, the contact vibration is generated. It can be relieved.

Next, a second embodiment of the present invention will be described.
In FIG. 5, the expanded perspective view which shows the principal part of the solar cell module attachment part of 2nd embodiment is shown.

5, the same components as those in FIG. 3 are denoted by the same reference numerals, description thereof is omitted, and only differences from FIG. 3 will be described.
In the second embodiment, first, with respect to the support member guide rail 4 in FIG. 3, the guide rail bent portion is a short side 41 b, and the upper stopper seat 5 in FIG. The point which changed to the upper stop plate 51 and the point which does not have the collar 20 in FIG. 3 are mentioned as a difference.

  With respect to the guide rail bent portion 41b of the support member bent portion configured such that both ends of the support portion guide rail 41 as the support member are bent, as described above, at least two of the support member guide rail 41 facing each other. If the short side of the side is bent, the configuration of the present invention is illustrated as an example in order to have the function of the present invention.

The upper stopper plate 51 has an example in which the thickness is increased and the upper stopper plate 5 does not require bending reinforcement as in the upper stopper seat 5 and is formed of one rectangle.
In FIG. 5, the collar 20 is not provided, but when the fixing bolt 10 is screwed into the supporting member guide rail 41 or the screw portion under the fixing bolt 10 instead of the through screw hole. If the screw hole is such that the tip of the fixing bolt 10 comes into contact and stops, the height can be adjusted when the fixing bolt 10 can no longer be screwed. Thus, the color 20 is not necessarily required, and is shown as an example.

  As mentioned above, although embodiment of this invention was described with reference to drawings, these are the illustrations of this invention, Various structures other than the above are also employable.

2 Reinforcing member 3 Solar cell module 4, 41 Support portion guide rail 4a Fixing bolt hole 4b, 41b Guide rail bent portion 5 Upper stopper 10 Fixing bolt 20 Color

Claims (3)

Solar cells,
Sealing the entire solar cell,
A solar cell module in which a rectangular reinforcing member is disposed on the non-light-receiving surface side of the solar cell;
The reinforcing member has at least two opposing sides that are bent toward the non-light-receiving surface;
A support member for placing the reinforcing member bending portion;
The support member folds on at least two opposite sides of the support member, wherein the support member is configured to have a gap at either side end portion of the reinforcing member bent portion or to be in contact with a cushion material. Have a bend,
A locking seat provided at least at a position sandwiched between the support member and the reinforcing member bending portion of the solar cell module,
A mounting device for a solar cell module, wherein the stopper seat is provided at a position having a gap with or in contact with the solar cell module via a cushion material.   It has a stop seat fixing member which fixes the stop seat to the support part directly or indirectly, and the stop seat fixing member does not arrange the solar cell module of the reinforcing member bending portion of the solar cell module. An apparatus for mounting a positive battery module, characterized in that it is located on a side surface. The plurality of solar cell modules are arranged such that the bent portions of the reinforcing members of the plurality of solar cell modules are adjacent to each other, and the stopper seat fixing member is positioned between the adjacent solar cell modules and adjacent to each other. An apparatus for attaching a positive battery module, wherein a part of one side of each of the solar battery modules is provided so that a stopper seat is located at the same time.