JP4310940B2 - Installation method of solar cell module - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
This invention relates to a method installation of solar cell modules, and more particularly, to a method of installing a solar cell module using the frame to be attached to the periphery of the solar cell module.
[0002]
[Prior art]
As the above solar cell module, a solar cell formed on an electrically insulating film substrate is sealed on both the light-receiving surface side and the non-light-receiving surface side of the solar cell in order to seal it with an electrically insulating protective material. One with a layer is known.
[0003]
In addition, when the solar cell module is mounted on a module installation stand or roof, the periphery of the solar cell module sealed with an electrically insulating protective material is further improved by a metal frame in order to improve mechanical strength and weather resistance. A structure for protecting and fixing the module by this frame is used.
[0004]
4 to 7 are diagrams for explaining an example of a conventional solar cell module and its installation method related to the above. FIG. 4 shows a cross-sectional structure of the solar cell module, FIG. 5 shows a perspective view of the frame, and FIG. FIG. 6 shows the solar cell module in an attached state, and FIG. 7 shows a fixing structure between the gantry and the frame.
[0005]
In FIG. 4, a solar cell module main body 101 includes, for example, an EVA (ethylene) between a translucent surface protection member 3 made of, for example, a glass plate and a back surface protection member 4 made of, for example, a polyvinyl fluoride sheet. It is sealed with an adhesive resin sealing material 2 made of (vinyl acetate copolymer resin) and formed in a rectangular shape as a whole.
[0006]
As shown in FIG. 5, the metal frame that further protects the periphery of the battery module is divided into, for example, four along the periphery of the solar cell module, and the two opposite sides of the solar cell module are the same. Two types of frames having different shapes from the other opposite sides are used.
[0007]
FIGS. 5 (a) and 5 (b) show differently shaped frames, and the frame 21 shown in FIG. 5 (a) is a frame that is attached and fastened to a gantry, and has a substantially L-shaped cross section as a whole. It is composed of a recess 22 for holding the solar cell module body and an attachment portion 23 for fixing the frame. The attachment portion 23 is provided with a through hole 32 for passing a bolt to fix the gantry.
[0008]
The frame 31 shown in FIG. 5B has a substantially I-shaped cross section as a whole, and is provided with a recess 22a for holding the solar cell module main body, like the frame 21, A through hole 32a for fixing with 21 and a tapping screw or the like is processed. In addition, 33a in Fig.5 (a) shows the groove | channel for the said tapping screw, and this groove | channel is formed by extrusion molding integrally with a flame | frame.
[0009]
FIG. 6 is a perspective view of the solar cell module in a state in which a frame is attached to four sides. The two types of frames are arranged on opposite sides, and the peripheral end portion of the solar cell module body 101 is inserted into the recesses 22 and 22a of each frame. Thereafter, the tapping screw 33 is passed through the through hole 32a provided in the frame 31, and the frame 21 and the portion 33a are fixed.
[0010]
FIG. 7 shows an example of a structure for attaching a solar cell module attached to a gantry. The frame 21 is arranged on opposite sides of the solar cell module main body 101, and each side is inserted into the frame recess 22. At this time, the frame recess 22 is previously filled with a rubber-based material 24 such as silicon rubber or butyl rubber to seal the peripheral end of the solar cell module body 101 and to hold the solar cell module body 101 and the frame 21 together. I do. The attachment method of the frame 31 is the same as that of the frame 21.
[0011]
The installation of the solar cell module to which the frame is attached to the gantry is performed by providing a through hole (not shown) in the gantry 41 in advance at the same pitch as the pitch of the through holes 32 provided in the attachment portion 23 of the frame 21. 21 and the through hole of the gantry 41 are aligned, and the solar cell module is fixedly installed on the gantry by the bolt 42 and the nut 43 through the through hole.
[0012]
[Problems to be solved by the invention]
However, the solar cell module and its installation method have the following problems.
[0013]
As described above, the solar cell module is fixed to the frame by fastening the frame and the frame with bolts and nuts, but when the bolts and nuts are not sufficiently tightened, pulsating wind pressure is applied to the solar cell module. The solar cell module may vibrate and the bolts and nuts may loosen. In the worst case, the bolts and nuts may come off and the solar cell module may scatter.
[0014]
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a solar cell module that is excellent in module holding and fixing properties and that can be easily installed, and a method for installing the solar cell module. It is to provide.
[0015]
[Means for Solving the Problems]
In order to solve the above-described problems, in the present invention, in a rectangular solar cell module in which a solar cell is sealed with an adhesive resin sealing material between a translucent surface protection member and a back surface protection member, The solar cell module has a substantially U-shaped cross section at the periphery thereof, and is divided along the periphery of the solar cell module, and the module is fixed by fitting the opening of the U-shaped cross section around the module. A frame that holds the frame, and the two opposite frames of the module include an opening portion having the U-shaped cross section, a hollow cylindrical portion having a rectangular cross section provided below the opening portion, and the opening portion and the hollow cylindrical shape. The other two opposite frames are made up of an opening with a U-shaped cross section and a straight side wall, and adjacent frames are screwed together. thick formed by fixed A battery module installation method, wherein a fixing rail member is fitted into each hollow cylindrical portion of the solar cell module, and the fixing rail member is fixed to an installation member such as a roof or a module installation base. Thus, the solar cell module is installed (invention of claim 1). Thereby, as will be described later, it is possible to obtain a solar cell module installation method that simplifies the structure and assembly work of the module, has excellent module holding and fixability, and facilitates the module installation work.
[0016]
Moreover, as an embodiment of the installation method of the module, the invention of the following claim 2 is preferable .
[0017]
That is , in the solar cell module installation method according to claim 1 , the fixing rail member is a mold material such as angle steel or groove steel, and a plurality of the solar cell modules are fitted to the fixing rail member to form a solar cell. A battery module is installed (invention of claim 2 ).
[0018]
According to the installation method, the lower part of the frame to be attached to the gantry has a hollow cylindrical structure, the rail member is passed through the cylindrical hollow part, and the solar cell module is held by fitting. Installation work is facilitated, and a plurality of solar cell modules can be securely held and fixed together.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described below with reference to FIGS. FIG. 1: shows the perspective view of the flame | frame in connection with the Example of the installation method of the solar cell module of this invention.
[0020]
In FIG. 1, a frame 201 is formed with the lower part of the frame as a hollow cylindrical part 201b. The shape and size of the frame recess 22 into which the solar cell module is inserted are the same as those of the conventional frame. In FIG. 1, the shape of the hollow cylindrical portion 201b at the lower part of the frame is a regular quadrangular prism, but it may be a hollow structure with a rectangular cross section. The hollow cylindrical portion 201b can be formed simultaneously with other portions of the frame by extrusion molding.
[0021]
FIG. 2 shows a perspective view of the solar cell module with the frame of the present invention attached thereto. The structure of the solar cell module body 101 is the same as that of the prior art. The frame 201 of the present invention is fitted into opposite sides of the solar cell module main body 101, the frame 211 having the same structure as that of the prior art is fitted into the other sides, and the frames are fixed with tapping screws. At this time, the frame 211 has dimensions that do not cover the hollow cylindrical portion 201b of the frame 201.
[0022]
FIG. 3: shows the perspective view of the Example of the installation method of a solar cell module. In FIG. 3, a rail member 301 for fixing a solar cell is passed through a hollow cylindrical portion 201b at the lower part of the frame and fixed to the gantry 41 with a tapping screw 44 or the like. As the rail member 301 for fixing the solar cell, a steel shape such as angle steel or groove steel can be used, and a plurality of solar cell modules can be penetrated and fixed to the rail member.
[0023]
According to the above installation method, the lower portion of the frame to be attached to the gantry has a hollow cylindrical structure, and a rail member such as angle steel or groove steel is passed through the cylindrical hollow portion, and the solar cell module is fitted by fitting. Therefore, it is possible to prevent bolts and nuts coming off due to insufficient tightening of bolts and nuts as in the prior art, and scattering of solar cell modules.
[0024]
Further, when the solar cell module rattles due to a gap between the cylindrical hollow portion at the lower part of the frame and the rail member, it is fixed with a tapping screw or the like as described above if necessary. In this case, the fixing position can be an arbitrary position. In the conventional method, it is necessary to make the pitch of the frame for passing the bolt and the through hole of the gantry the same, and there is a risk that the solar cell module cannot be fixed if the pitch dimensions are not matched. However, according to the method of the present invention, since the screwing position is arbitrary, the screwing operation can be easily performed.
[0025]
Furthermore, in the prior art, the solar cell modules had to be fixed to the gantry one by one. However, in the present invention, a plurality of solar cell modules can be put in the rail member and the rail member can be screwed to the gantry. A plurality of solar cell modules can be fixed together. Therefore, the work of fixing the solar cell module to the gantry can be performed more easily than before.
[0026]
【The invention's effect】
As described above, according to the present invention, in the rectangular solar cell module in which the solar cell is sealed with the adhesive resin sealing material between the translucent surface protection member and the back surface protection member, the solar cell module Has a substantially U-shaped cross section at its peripheral edge and is divided along the periphery of the solar cell module, and a frame for fixing and holding the module by fitting the opening of the U-shaped cross section around the module And the two opposing frames of the module include an opening with the U-shaped cross section, a hollow cylindrical portion with a rectangular cross section provided below the opening, and the opening and the hollow cylindrical portion. It consists of straight side wall connecting parts that are connected, and the other two opposite frames consist of an opening with a U-shaped cross section and a straight side wall part, and adjacent frames are fixed with screws. consisting of solar cell modules A method of installation, each hollow cylindrical portion of the solar cell module, fitted with fixing rail member respectively, the fixing rail member, by fixing the mounting member or module mounting base, such as a roof Since we decided to install a solar cell module ,
As well as the structure and assembly operations of the module is simplified, superior in holding and fixing of the module and can be installed work module provides a method of installing easily a solar cell module.
[Brief description of the drawings]
1 is a perspective view of a frame of a solar cell module according to an embodiment of the present invention. FIG. 2 is a perspective view of a solar cell module with the frame of FIG. 1 attached. FIG. 3 is an installation of the solar cell module of FIG. FIG. 4 is a perspective view illustrating an example of a cross-sectional structure of a solar cell module. FIG. 5 is a perspective view of a conventional solar cell module frame. FIG. 6 is a solar cell with the frame of FIG. FIG. 7 is a perspective view of the module. FIG. 7 is a diagram showing a structure for fixing the frame and the frame on which the solar cell module of FIG. 6 is installed.
22: recessed portion, 33, 44: tapping screw, 41: mount, 101: solar cell module body, 201, 211: frame, 201a: opening, 201b: hollow cylindrical portion, 201c: side wall connecting portion, 301: fixing Rail member.

Claims (2)

In the rectangular solar cell module formed by sealing the solar cell with an adhesive resin sealing material between the translucent surface protection member and the back surface protection member,
The solar cell module has a substantially U-shaped cross section at the periphery thereof, and is divided along the periphery of the solar cell module, and the module is mounted by fitting an opening of the U-shaped cross section around the module. It has a frame that holds it fixed,
Further, the two opposing frames of the module include an opening portion having the U-shaped cross section, a hollow cylindrical portion having a rectangular cross section provided below, and a straight line connecting the opening portion and the hollow cylindrical portion. consists of a Jo sidewall connecting portion, the frame of the other opposing two sides, made with the opening of the substantially U-shaped cross section, the straight side wall portion, adjacent the frame, the solar cell formed of a fixed with screws A module installation method,
A fixing rail member is fitted in each hollow cylindrical portion of the solar cell module, and the solar cell module is installed by fixing the fixing rail member to an installation member such as a roof or a module installation base. The installation method of the solar cell module characterized by this. 2. The solar cell module installation method according to claim 1 , wherein the fixing rail member is a mold material such as angle steel or groove steel, and a plurality of the solar cell modules are fitted to the fixing rail member. The installation method of the solar cell module characterized by installing.

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