JP2013249579A - Solar cell module fixing structure and method of fixing solar cell module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solar cell module fixing structure further facilitating installation work of a solar cell module and capable of minimizing a clearance between solar cell modules and enhancing power generation efficiency.SOLUTION: A first fixing member 30a includes: a first upper side abutting piece 32 and a second upper side abutting piece 33 capable of abutting on a top face of a solar cell module 2; a shank 31 extending downward from the center thereof; a lower side abutting piece 37 extending to be longer than the second upper side abutting piece 33 and capable of abutting on the underside of the solar cell module 2; and an attaching piece 38 placeable on a beam member 20 so that a predetermined space is formed between the lower side abutting piece 37 and the beam member 20. A second fixing member 30b includes: a placing part 36 which is arranged on the opposite side relative to the lower side abutting piece 37 with the shank 31 therebetween and on which the solar cell module 2 is placed; and a holding piece 39 arranged between the attaching piece 38 and the beam member 20.

Description

  The present invention relates to a fixing structure and a fixing method for a solar cell module installed on a roof material.

  As a mounting base for solar cell modules installed on roofing materials such as roof tiles and slate, a plurality of long vertical rails extending in the roof inclination direction (flow direction) are fixed on the roofing material at predetermined intervals. It is known that a plurality of long horizontal rails extending in a direction perpendicular to the inclination direction of the roof (lateral direction) are fixed on the vertical rails by bolts to form a cross beam.

  However, in the mounting frame described above, since the solar cell module is fixed by placing the side of the solar cell module in the horizontal direction on the horizontal beam, the vertical beam is accurately spaced at intervals corresponding to the size of the solar cell module. There is a problem that it takes time to install the mounting base and the work cost becomes high. Moreover, since the mounting frame is formed in a cross beam shape by the vertical beam and the horizontal beam, there is a problem that many beam members are required and the member cost is increased.

  Therefore, the applicant of the present application has previously proposed a solar cell module fixing structure capable of reducing the cost associated with the installation of the solar cell module (Patent Document 1). As shown in FIGS. 4 and 5, this fixing structure 100 is inserted between a support member 105 mounted on a roof material 103 and a support piece 104 of the support member 105 and supported by the plurality of support members 105. And a fixing member 107 for fixing the solar cell module 101 placed on the plurality of beam members 106 to the beam member 106.

  More specifically, a holding portion 112 that slidably holds the fastening member 111 is provided on the top surface of the crosspiece member 106, and the fastening member 113 is fastened to the crosspiece member 113 by fastening the fastened member 113 to the fastening member 111. It is fixed to the member 106. According to this, since there is no need to form a cross-girder-shaped mounting base, the number of parts can be reduced, the member cost can be reduced, and the labor required for mounting can be simplified.

  According to the above fixing structure, in order to fix the plurality of solar cell modules 101, after placing them on the upper surface of the crosspiece member 106, the fixing member 107 is attached to the fastening member 111 positioned between the solar cell modules 101. Then, the fastened member 113 is fastened to the fastening member 111. These operations are performed on the solar cell module 101. However, since the work on the solar cell module 101 is slippery and the solar cell module 101 may be damaged, it is necessary to work carefully and the workability is deteriorated. Moreover, since the fastening member 111 and the to-be-fastened member 113 are arrange | positioned between solar cell modules 101, the clearance gap between solar cell modules 101 becomes large, and the ratio of the area of the solar cell module 101 with respect to the area of a roof decreases. There was a problem. In other words, there was room for improvement in terms of power generation efficiency.

  Therefore, in view of the above situation, the present invention makes it possible to further facilitate the work for installing the solar cell module and to reduce the gap between the solar cell modules as much as possible to increase the power generation efficiency. It is an object of the present invention to provide a module fixing structure and a fixing method.

In order to solve the above problems, a solar cell module fixing structure according to the present invention is:
`` Long bar members placed on the roofing material,
A fixing means for fixing the solar cell module installed on the upper side of the crosspiece member to the crosspiece member,
The cross member has a holding portion on the upper surface for holding a fastening member for fastening the fixing means to the cross member so as to be slidable only in the longitudinal direction,
The fixing means includes
An upper contact piece that is capable of contacting the upper surface of the solar cell module and extends in a direction parallel to the longitudinal direction of the crosspiece member;
A shaft portion extending downward from the center of the upper contact piece,
A lower contact piece that extends from the middle of the shaft portion in a direction parallel to the longitudinal direction of the crosspiece member in a direction longer than the upper contact piece and is capable of contacting the lower surface of the solar cell module;
And it extends in a direction parallel to the lower contact piece from the lower end of the shaft portion, forms a predetermined space between the lower contact piece and the crosspiece member, and is placed on the crosspiece member An attachment piece having a first opening into which the fastening member or a fastened member fastened to the fastening member can be inserted,
A first fixing member having
Between the solar cell module and the crosspiece member, which is disposed on the opposite side of the lower contact piece across the shaft portion of the first fixing member and different from the solar cell module with which the lower contact piece contacts. A mounting portion for mounting the solar cell module at the same height as the solar cell module with which the lower contact piece abuts,
And a second opening that extends from a lower end of the mounting portion in a direction parallel to the longitudinal direction of the crosspiece member and is disposed below the attachment piece and into which the fastening member or the fastening member can be inserted. And a second fixing member that is a separate member from the first fixing member.
It is characterized by this.

  Here, the “crosspiece member” may be supported by, for example, a plurality of support members attached on the roofing material. A plurality of “cross members” may be arranged at a predetermined interval in a direction perpendicular to the longitudinal direction. Examples of the “fastening member and fastened member” include “nuts and bolts” or “bolts and nuts”.

  In addition, the “mounting portion” may abut against the bottom surface of the other end side of the solar cell module, but when the frame of the solar cell module has a flange portion, it may abut against the lower surface of the flange portion. . In addition, the “upper abutment piece” may abut on the upper surface of the frame (including the flanged one) of the solar cell module.

  According to the present invention, the fixing means for fixing the solar cell module to the crosspiece member includes the first fixing member and the second fixing member which are separate members. The first fixing member includes an attachment piece that extends from the lower end of the shaft portion in a direction parallel to the longitudinal direction of the crosspiece member and can be placed on the crosspiece member. The 1st opening which can insert is drilled. On the other hand, the second fixing member includes a sandwiching piece extending in a direction parallel to the longitudinal direction of the crosspiece member, and the fastening member or the fastened member can be inserted into the sandwiching piece in the same manner as the attachment piece. Two openings are drilled. For this reason, in a state where the sandwiching piece is sandwiched between the attachment piece and the crosspiece member, the fastening member and the fastened member held by the crosspiece member are passed through the second opening of the sandwiching piece and the first opening of the attachment piece. When fastened, both the first fixing member and the second fixing member are fixed to the crosspiece member.

  The first fixing member is formed on the upper end of the shaft portion and extends in a direction parallel to the longitudinal direction of the crosspiece member, and extends from the middle of the shaft portion in a direction parallel to the longitudinal direction of the crosspiece member. When the one end side of the solar cell module is inserted between the upper contact piece (specifically, a portion extending in the same direction as the lower contact piece) and the lower contact piece. The one end side of the solar cell module is supported with the upper surface in contact with the upper contact piece and the lower surface in contact with the lower contact piece. In particular, since the lower contact piece extends longer than the upper contact piece, when one end side of the solar cell module is inserted, the lower side of the solar cell module is tilted so that the other end side becomes higher. The solar cell module is placed on the abutment piece and then rotated so as to be parallel to the lower abutment piece while sliding to the shaft side. It can be easily inserted between the pieces.

  At this time, the lower contact piece is disposed above the attachment piece, and a member to be fastened to the fastening member is disposed in the space between the lower contact piece and the crosspiece member. That is, a fastening member and a to-be-fastened member are arrange | positioned under the solar cell module.

  On the other hand, since the second fixing member includes a mounting portion disposed on the opposite side of the lower contact piece across the shaft portion, the solar cell is different from the solar cell module with which the lower contact piece contacts. When the other end side of the module is inserted between the upper contact piece of the first fixing member (specifically, the portion extending in the same direction as the mounting portion) and the mounting portion of the second fixing member, the solar cell The other end side of the module is supported in a state where the upper surface is in contact with the upper contact piece and the lower surface is mounted on the mounting portion. Therefore, a pair of solar cell modules are installed adjacent to each other with the shaft portion of the first fixing member interposed therebetween. In particular, since the first fixing member provided with the upper contact piece and the second fixing member provided with the mounting portion are configured by separate members, one end side is already supported by the first fixing member. The fixing means can be easily attached to the other end side of the module, that is, the solar cell module arranged along the crosspiece member. Specifically, first, the mounting portion of the second fixing member is inserted between the solar cell module and the crosspiece member, and then the upper contact piece of the first fixing member is brought into contact with the upper surface of the solar cell module. Above, if the 1st fixing member and the 2nd fixing member are fixed to a crosspiece member with a fastening member and a to-be-fastened member, the other end side of a solar cell module will be supported.

  When another solar cell module is installed on the other end side extension of the solar cell module, the other end side of the solar cell module is supported by a new fixing means, and the fixing means is a bar member. The one end side of another solar cell module may be inserted between the upper contact piece and the lower contact piece of the fixing means. That is, a solar power generation system having a plurality of solar cell modules can be easily constructed by alternately assembling one solar cell module and one fixing means to the crosspiece member.

  Thus, according to the present invention, the first fixing member and the second fixing member are fixed to the crosspiece member before the one end side of the solar cell module is inserted between the upper contact piece and the lower contact piece. Therefore, the work on the solar cell module is eliminated, and the work for installing the solar cell module can be further facilitated. Moreover, since a fastening member and a to-be-fastened member are arrange | positioned under a solar cell module, it becomes unnecessary to provide the space for arrange | positioning a fastening member and a to-be-fastened member between solar cell modules, and between solar cell modules It is possible to make the gap as small as possible. In particular, since adjacent solar cell modules are supported with only the shaft portion of the first fixing member interposed therebetween, the solar cell modules can be brought as close as possible. Therefore, the ratio of the area of the solar cell module to the area of the roof can be increased, and the power generation efficiency can be increased.

Moreover, in addition to the above configuration, the solar cell module fixing structure according to the present invention includes:
“The lower contact piece of the first fixing member has a long hole through which the fastened member can pass above the first opening”.

  According to the present invention, since the elongated hole is formed above the first opening of the attachment piece in the lower contact piece of the first fixing member, the elongated contact hole is passed through the lower contact piece. It is possible to insert the member to be fastened into the lower space and fasten it to the fastening member. Here, the size of the long hole in the longitudinal direction is preferably larger than the size obtained by adding the thickness of the operator's two fingers (for example, the thumb and the index finger) to the size in the radial direction of the fastened member, According to this, it becomes possible to insert the member to be fastened into the space while picking it with two fingers, and the fastening operation of the member to be fastened can be facilitated.

Moreover, the fixing method of the solar cell module according to the present invention is as follows.
“The fixing means for fixing one end side of the solar cell module to the crosspiece member is one end side fixing means, and the fastening member is held by the holding portion of the crosspiece member and fixed at a predetermined position. One end side of the solar cell module is placed on the lower contact piece of the means in an inclined state so that the other end side is higher, and is parallel to the lower contact piece while sliding toward the shaft side. By rotating the solar cell module so as to become, one end side of the solar cell module is inserted and fixed between the upper contact piece and the lower contact piece,
The fixing means for fixing the other end side of the solar cell module to the crosspiece member is the other end side fixing means, and the other end side fixing means temporarily assembled by the fastening member and the fastened member is the fastening member. The slide member is slid along the longitudinal direction of the cross member while being held by the holding portion of the cross member, and the mounting portion of the second fixing member is placed between the other end side of the solar cell module and the cross member. And then the upper contact piece of the first fixing member is brought into contact with the upper surface of the solar cell module from above, and the fastening member and the fastened member are fastened to fix the other end side fixing means. Is fixed to the crosspiece member to fix the other end of the solar cell module ”.

  According to the present invention, after fixing one end side of the solar cell module to the one end side fixing means fixed to the crosspiece member, the other end side fixing means is attached to the other end side of the solar cell module, and the other end side fixing is performed. The other end side of the solar cell module is fixed by fixing the means to the crosspiece. For this reason, one end side of the next solar cell module is fixed to the other end side fixing means that fixes the other end side of the solar cell module, and the other end side of the solar cell module is fixed by a new fixing means. By repeating the above, a plurality of solar cell modules can be fixed in order along the crosspiece member. Therefore, the work on the solar cell module is eliminated, and the work for installing the solar cell module can be further facilitated.

  Moreover, since a fastening member and a to-be-fastened member are arrange | positioned under a solar cell module, it becomes possible to make the clearance gap between solar cell modules as small as possible, and to improve electric power generation efficiency. In addition, one end side of the solar cell module is placed in an inclined state on the lower contact piece, and then rotated while being slid to the shaft portion side to thereby form an upper contact piece and a lower contact piece. Since the solar cell module is inserted in between, the solar cell module can be operated extremely easily as compared with the case where the solar cell module is inserted straight after being parallel to the crosspiece member.

  Thus, according to this invention, the operation | work concerning installation of a solar cell module can be made still easier. Further, the gap between the solar cell modules can be made as small as possible to increase the power generation efficiency.

It is a longitudinal cross-sectional view of the solar energy power generation system to which the fixing structure of the solar cell module which is one Embodiment of this invention is applied. (A) is a disassembled perspective view showing each component part with respect to the crosspiece member and the fixing means, and (b) is a perspective view showing a state in which the fixing means is attached to the crosspiece member. It is explanatory drawing which shows the fixing method of a solar cell module. It is a disassembled perspective view which decomposes | disassembles and shows the conventional solar power generation system for every structural member. It is a longitudinal cross-sectional view of the conventional solar power generation system.

  Hereinafter, a solar power generation system 1 to which a solar cell module fixing structure according to an embodiment of the present invention is applied will be described with reference to FIGS. 1 to 3. In the present embodiment, for convenience of explanation, when the photovoltaic power generation system 1 is installed on the roof, the direction on the eaves side is referred to as “one end side”, and the direction on the ridge side is referred to as “other end side”. . As shown in FIG. 1, the photovoltaic power generation system 1 of the present embodiment has a plurality of (two in the present embodiment) solar cell modules 2 installed on an inclined roof, and a roof material (not shown). It is installed on a long beam member 20 supported by a plurality of support members (not shown) mounted on the upper surface and a pair of beam members 20 arranged at a predetermined interval in a direction perpendicular to the longitudinal direction. Fixing means 30 for fixing the solar cell module 2 to the crosspiece member 20 is provided. Hereinafter, the configuration of each member will be described in detail.

  As shown in FIG. 1, the solar cell module 2 has a plurality of solar cells, a rectangular outer plate-shaped solar cell panel 2a, and a long frame that supports the outer periphery of the solar cell panel 2a. 2b, and is formed in a rectangular shape whose long side is about twice as long as the short side in plan view. The frame body 2b has a flange portion 2c extending in a direction parallel to the longitudinal direction of the crosspiece member 20, and a standing wall portion 2d bent upward from the outer edge of the flange portion 2c.

  As shown in FIG. 2, the crosspiece member 20 is made of an extruded mold member made of metal such as aluminum, and has an elongated outer shape with the same cross-sectional shape having a substantially rectangular shape. The crosspiece member 20 includes a first holding portion 21 that is open on both side surfaces and has a substantially cross-shaped groove, and a second holding portion 22 that is open on the top surface and has a reverse T-shaped groove. . The first holding portion 21 is a non-rotatable hexagonal nut-shaped fastening member (not shown) for attaching the crosspiece member 20 to the support member in the vertical groove of the substantially cross-shaped groove, and the longitudinal direction of the crosspiece member 20 Can be slidable. Further, the second holding portion 22 is configured such that the head portion 26b of the fastening member 26 cannot be rotated in the inverted T-shaped groove so that the male screw portion 26a of the fastening member 26 such as a root bolt protrudes from the upper surface, and the crosspiece member 20 It can be held slidable in the longitudinal direction. In the crosspiece member 20, the second holding portion 22 on the upper surface is disposed substantially at the center in the width direction. Here, the second holding part 22 corresponds to the holding part of the present invention.

  As shown in FIGS. 1 and 2, the fixing means 30 fixes the solar cell module 2 installed on the plurality of crosspiece members 20 to the crosspiece member 20, and includes a first fixing member 30 a and a second fixing member. 30b, a fastening member 26 held by the crosspiece member 20, and a fastened member 28 fastened to the fastening member 26.

  The first fixing member 30 a can be contacted from above with the upper surface of the solar cell module 2, and the first upper contact piece 32 and the second upper contact piece 33 extending in a direction parallel to the longitudinal direction of the crosspiece member 20. A plate-like shaft portion 31 extending downward from the boundary portion of the first upper contact piece 32 and the second upper contact piece 33, and other parallel to the longitudinal direction of the crosspiece member 20 from the middle of the shaft portion 31 A lower contact piece 37 that extends to the end side and can contact the lower surface of the solar cell module 2, and a shaft portion so that a predetermined space is formed between the lower contact piece 37 and the crosspiece member 20. An attachment piece 38 that extends from the lower end of 31 to the other end side in parallel with the lower contact piece 37 and is placed on the crosspiece member 20 is provided. Here, the first upper contact piece 32 and the second upper contact piece 33 correspond to the upper contact piece of the present invention.

  The first fixing member 30a will be described in more detail. At the tip portions of the first upper contact piece 32 and the second upper contact piece 33, a first hanging piece 34 and a second hanging piece 35 extending vertically downward are provided. Are formed, and the first hanging piece 34 and the second hanging piece 35 can be locked to the standing wall 2d of the solar cell module 2. An inclined surface that gradually decreases toward the other end is formed at the lower end of the second hanging piece 35.

  In addition, the lower contact piece 37 extends longer than the second upper contact piece 33, and the height from the lower contact piece 37 to the second upper contact piece 33 and the lower contact piece 37 are reduced. The length is almost equal. Further, a stopper 37b is formed on the upper surface of the lower contact piece 37 located below the second drooping piece 35 so as to protrude upward from the lower end side surface of the solar cell module 2. Further, a wall portion 38b connected to the bottom surface of the lower contact piece 37 is erected at the tip of the attachment piece 38, and the lower contact piece 37, the lower portion of the shaft portion 31, the attachment piece 38, and The wall portion 38b is formed in a rectangular tube shape having a rectangular cross section.

  The attachment piece 38 has a first opening 38a through which the fastening member 26 can be inserted. The lower contact piece 37 has a long hole 37a through which the member 28 to be fastened can pass through the first opening 38a. They are formed to face each other. In particular, the size of the long hole 37a in the longitudinal direction is larger than the size obtained by adding the size corresponding to the thickness of the operator's finger (for example, thumb and index finger) to the size in the radial direction of the fastened member 28 (for example, 5 cm). ), The fastened member 28 can be inserted into the space below the lower contact piece 37 while the fastened member 28 is picked by two fingers. The fastening member 28 is disposed in a space below the lower contact piece 37 and is held by the second holding portion 22 of the crosspiece member 20 and extends upward through the first opening 38a (root bolt). The male threaded portion 26a can be screwed together, and in this embodiment is constituted by a nut. The fastened member 28 is screwed to the fastening member 26 via a flat washer 28a and a spring washer 28b.

  On the other hand, the second fixing member 30b is disposed on the opposite side of the lower contact piece 37 across the shaft portion 31 of the first fixing member 30a, and is inserted between the solar cell module 2 and the crosspiece member 20. Thus, the solar cell module 2 disposed on both sides of the shaft portion 31 is provided with a mounting portion 36 that can support the same height. The mounting portion 36 has a C-shaped square tube shape having a groove on the lower surface, and screw fixing portions 36a having a substantially C-shaped cross section are formed at the four corners inside the mounting portion 36. Yes. Further, a stopper 40 that protrudes upward and can contact the other side surface of the solar cell module 2 is formed on the upper surface of the mounting portion 36 located below the second hanging piece 35.

  The second fixing member 30 b extends from the lower end of the mounting portion 36 to the other end side in a direction parallel to the longitudinal direction of the crosspiece member 20, and is sandwiched between the attachment piece 38 and the crosspiece member 20. When the first fixing member 30 a is fixed to the crosspiece member 20 by the fastening member 26 and the fastened member 28, the second fixing member 30 b is also clamped by the crosspiece member 20. Fixed to. The clamping piece 39 is formed with a second opening 39a through which the male thread portion 26a of the fastening member 26 is inserted.

  Each of the first fixing member 30a and the second fixing member 30b is obtained by cutting a metal extrusion mold material such as aluminum having the same cross-sectional shape and a long shape. The opening 38a, the long hole 37a, and the second opening 39a are formed by cutting.

  In the mounting portion 36, a ground member 45 formed by pressing a thin metal plate made of stainless steel or the like into a substantially U-shaped cross section by pressing is externally fitted to a portion opposite to the shaft portion 31. The formed protrusion 45 a is pierced into the frame 2 b of the solar cell module 2 and the upper surface of the crosspiece member 20, whereby the frame 2 b and the crosspiece member 20 are electrically connected via the ground member 45.

  The solar power generation system 1 is disposed at one end of the solar power generation system 1 and is fixed to the fixing means 30 and the crosspiece member 20 so as to cover the end surfaces of the solar cell module 2 and the crosspiece member 20. A cover 50 and an end surface cover 51 that is disposed at the other end side end of the photovoltaic power generation system 1 and is fixed to the fixing means 30 by screws 52 so as to cover the other end side end surface of the crosspiece member 20 are further provided. Yes.

  The eaves cover 50 is a long member having the same cross-sectional shape made of a metal extrusion mold material such as aluminum. As shown in FIG. 1, the bottom 50 a having a predetermined length and the other end of the bottom 50 a upward from the end. A standing wall portion 50b that rises, a top portion 50c that extends parallel to the bottom portion 50a from the upper end of the standing wall portion 50b, a step portion 50d that rises from the tip of the top portion 50c to the same height as the upper end of the fixing means 30, and a step portion 50d And a side wall 50e extending obliquely downward from the upper end to the outside and below the bottom 50a. A projecting portion 50f having a semicircular cross section that slides in contact with the upper surface of the mounting portion 36 of the fixing means 30 is formed on the bottom 50a so as to protrude downward, and the upper end of the standing wall portion 50b protrudes upward to fix the fixing means 30. A locking piece 50g that can be locked to the first hanging piece 34 is formed, and a locking claw portion 50h that can be locked to the bottom surface side of the crosspiece member 20 is formed at the lower end of the side wall 50e. .

  Next, the fixing method of the solar cell module 2 in the solar power generation system 1 of this embodiment is demonstrated. In the following description, when it is necessary to distinguish between the fixing means 30 used at the end of the solar power generation system 1 and the fixing means 30 disposed between the solar cell modules 2, The fixing means 30 arranged at one end of the power generation system 1 is referred to as “eave side fixing means 41”, and the fixing means 30 arranged at the other end of the photovoltaic power generation system 1 is referred to as “building side fixing means 42”. The fixing means 30 disposed between the solar cell modules 2 will be described as “middle fixing means 43”. Moreover, the solar cell module 2 arrange | positioned at one end side is set as "1st module 2x", and the solar cell module 2 arrange | positioned at the other end side is demonstrated as "2nd module 2y." Here, the eaves side fixing means 41 corresponds to one end side fixing means of the present invention, and the middle side fixing means 43 corresponds to the other end side fixing means of the present invention.

  First, the crosspiece member 20 is installed on the roof on which the solar power generation system 1 is installed according to the number of solar cell modules 2 to be installed and the installation pattern.

  Next, the first fixing member 30 a and the second fixing member 30 b of the eaves side fixing means 41 are temporarily assembled by the fastening member 26 and the fastened member 28. Specifically, the male screw portion 26a of the fastening member 26 is inserted into the second opening 39a of the clamping piece 39 and the first opening 38a of the attachment piece 38 in order, and the male screw portion 26a protruding from the first opening 38a of the attachment piece 38 is inserted. A fastened member 28 (nut) is attached to the tip through a flat washer 28a and a spring washer 28b. Further, when the fastened member 28 is attached to the tip of the male screw portion 26a, the lower contact piece passes through the long hole 37a formed in the lower contact piece 37 while holding the fastened member 28 with a finger. The fastening member 26 is inserted into the space between the attachment piece 38 and the fastening member 38 and the fastening member 28 is rotated while the fastening member 28 is picked, so that the fastening member 26 and the fastening member 28 are screwed together. That is, the “temporary assembly” means that the attachment piece 38 of the first fixing member 30 a and the clamping piece 39 of the second fixing member 30 b are overlapped with each other, and the fastening member 28 is screwed to the fastening member 26. Although integrally configured, the fastening member 26 and the fastened member 28 are not fastened, and the first fixing member 30a and the second fixing member 30b are slid in the longitudinal direction of the crosspiece member 20, and the first In this state, the second fixing member 30b can be displaced to some extent within an allowable range with respect to the fixing member 30a.

  And the eaves-side fixing means 41 temporarily assembled in this way is slid in the longitudinal direction of the crosspiece member 20 by inserting the head portion 26b of the fastening member 26 into the second holding portion 22 of the crosspiece member 20, A predetermined position of the crosspiece member 20, specifically, a position on one end side of the mounting portion 36 of the eaves-side fixing means 41 is arranged at a position substantially coincident with the end face on one end side of the crosspiece member 20. In addition, by screwing the screw 48 into the second holding portion 22 of the crosspiece member 20 from above and projecting the head portion 48a of the screw 48 into the second holding portion 22, the eaves-side fixing means 41 follows the inclination of the roof. It should not be removed from one end side of the crosspiece member 20.

  Thereafter, the fastened member 28 is fastened to the male thread portion 26a of the fastening member 26, and the eaves side fixing means 41 is fixed at a predetermined position. Note that a tool is used for this tightening, and the tip of the tool is inserted into a space below the lower contact piece 37 through a long hole 37a formed in the lower contact piece 37 to be fastened. The member 28 can be rotated.

  Thereafter, one end side of the first module 2 x is inserted between the second upper contact piece 33 and the lower contact piece 37. Specifically, the first module 2x is placed on the lower contact piece 37 in an inclined state so that the other end side becomes higher (see FIG. 3A), and then slid to the shaft portion 31 side. While rotating in the direction of arrow R so as to be parallel to the lower contact piece 37. Thereby, one end side of the first module 2x is inserted between the second upper contact piece 33 and the lower contact piece 37 of the first fixing member 30a, and one end side of the first module 2x is fixed to the crosspiece member 20. (See FIG. 3B). In addition, since the frame 2b of the first module 2x is provided with the standing wall portion 2d and the second hanging piece 35 is provided at the tip of the second upper contact piece 33, the solar cell module 2 is rotated. By inserting, the standing wall portion 2 d is fitted between the second hanging piece 35 and the shaft portion 31. In addition, since an inclined surface that gradually decreases toward the other end is formed at the lower end of the second hanging piece 35, the first hanging piece 35 is arranged between the second upper contacting piece 33 and the lower contacting piece 37. When inserting the module 2x while rotating one end side of the module 2x, even if the standing wall 2d may come into contact with the second hanging piece 35 from the lower side, the inside of the second hanging piece 35 (locked) by the inclined surface. To the side).

  Next, the middle side fixing means 43 is attached to the other end side of the first module 2x. In the middle side fixing means 43, the head 26b of the fastening member 26 is inserted into the second holding portion 22 from the other end side of the crosspiece member 20 in a temporarily assembled state, and the whole middle side fixing means 43 is Slide along the crosspiece 20. In this state, it is still in a temporarily assembled state and can be slid in the longitudinal direction of the crosspiece member 20, and the first fixing member 30a and the second fixing member 30b are relatively displaced within an allowable range. Is possible. Further, the first fixing member 30 a can be lifted upward in a state where the head portion 26 b of the fastening member 26 is in the second holding portion 22 of the crosspiece member 20.

  Therefore, first, the second fixing member 30b is displaced toward one end so that the placement portion 36 of the middle fixing means 43 is inserted between the bottom surface of the other end side of the first module 2x and the crosspiece member 20. (See FIG. 3C). Specifically, the stopper 40 formed on the mounting portion 36 is brought into contact with the bottom side surface on the other end side of the first module 2x, and the bottom surface on the other end side of the first module 2x is mounted on the mounting portion 36. To do. After that, without displacing the second fixing member 30b, the first hanging piece 34 formed on the first upper contact piece 32 of the first fixing member 30a is locked to the standing wall 2d of the first module 2x from above. The first fixing member 30a is displaced downward so that Then, the first upper contact piece 32 comes into contact with the upper surface of the other end side of the first module 2 x, and the attachment piece 38 of the first fixing member 30 a is overlaid on the holding piece 39. Therefore, the fastened member 28 is fastened to the male thread portion 26a of the fastening member 26 using a tool, and the middle side fixing means 43 is fixed (see FIG. 3D). Thereby, the bottom surface of the other end side of the first module 2 x is placed on the placement portion 36, and the upper surface is locked by the first upper contact piece 32 and the first hanging piece 34. At this time, the frame member 2b of the first module 2x and the crosspiece member 20 are electrically connected to each other by the ground member 45 fitted on the mounting portion 36.

  Next, one end side of the second module 2y is inserted between the second upper contact piece 33 and the lower contact piece 37 of the middle fixing means 43 (see FIG. 3E), and further The other end side of the module 2y is fixed to the crosspiece member 20 by the ridge side fixing means 42 (see FIG. 3F). Since these methods are the same as the above-described fixing method described with reference to FIGS. 3A to 3D, detailed description thereof will be omitted here.

  Then, the eaves cover 50 is attached to one end side of the eaves-side fixing means 41 and the crosspiece member 20, and the end face cover 51 is attached to the ridge-side fixing means 42. In order to attach the eaves cover 50, first, the locking piece 50g is locked to the first hanging piece 34 of the eaves-side fixing means 41 from obliquely below, and the protrusion 50f is placed on the upper surface of the mounting portion 36. The lower part of the eaves cover 50 is pushed into the crosspiece member 20 side while the locking state of the stop piece 50g and the first hanging piece 34 is maintained, and the locking claw portion 50h is locked to the bottom surface side of the crosspiece member 20. Further, the eaves cover 50 is fastened to the side surface of the mounting portion 36 from one end through a V-shaped groove (not shown) formed in the side wall portion 50e of the eaves cover 50, whereby the eaves cover 50 is secured to the eaves side fixing means 41. To fix.

  By the way, in the case where a plurality of solar cell modules 2 are arranged not only in the flow direction of the roof but also in the direction perpendicular to the flow direction (lateral direction), the fixed beam members 20 are different, so the solar cell modules adjacent in the horizontal direction The heights of the two may be different. In this case, the height of the solar cell modules 2 is adjusted by inserting a spacer having a predetermined thickness between the crosspiece member 20 and the fixing means 30 and fastening and fixing the fixing means 30.

  Thus, according to this embodiment, the fixing means 30 for fixing one end side of the solar cell module 2 to the crosspiece member 20 can be fixed to the crosspiece member 20 before the solar cell module 2 is installed. . That is, when installing the several solar cell module 2, it can arrange in order, fixing the solar cell module 2 in order from one end side. Therefore, the work on the solar cell module 2 is eliminated, and the work for installing the solar cell module 2 can be further facilitated.

  Moreover, according to this embodiment, since the fastening member 26 and the to-be-fastened member 28 are arrange | positioned under the solar cell module 2, it is necessary to ensure the space for arrange | positioning these between solar cell modules 2. This eliminates the gap between the solar cell modules 2 as much as possible. In particular, since the adjacent solar cell modules 2 are supported by sandwiching only the shaft portion 31 of the first fixing member 30a, the solar cell modules 2 can be brought as close as possible. Therefore, it is possible to increase the ratio of the area of the solar cell module 2 to the area of the roof and increase the power generation efficiency. Moreover, the cover which covers the clearance gap between solar cell modules 2 becomes unnecessary, by extension, a number of parts decreases, cost can be reduced, and the effort concerning attachment can be simplified.

  Moreover, according to this embodiment, since the 1st fixing member 30a provided with the 1st upper side contact piece 32 and the 2nd fixing member 30b provided with the mounting part 36 are comprised by a separate member, one end For the first module 2x whose side is already fixed by the eaves side fixing means 41 and arranged along the crosspiece member 20, the other end side is also the first upper abutting piece 32 and the mounting portion of the middle side fixing means 43 It becomes possible to fix by 36. Therefore, workability can be improved as compared with the case where the first upper contact piece 32 and the mounting portion 36 are integrally formed.

  More specifically, if the first fixing member 30a and the second fixing member 30b are integrally formed, the distance between the first upper abutting piece 32 and the mounting portion 36 is constant. If it is going to insert between the solar cell module 2 and the crosspiece member 20 from the side, the standing wall 2d and the first hanging piece 34 will abut against each other. In addition, in the state which inclined the solar cell module 2 so that the other end side might become high, the fixing means 30 is fitted from the end surface side of the orthogonal | vertical direction with respect to the longitudinal direction of the crosspiece member 20, and the other end of the solar cell module 2 is fitted. If it is made to slide along the side, the fixing means 30 can be attached to the other end side of the solar cell module 2, but this causes the following problems. That is, according to this method, only the fastening member 26 for fixing the fixing means 30 is held by the second holding portion 22 of the crosspiece member 20, and the solar cell module 2 is rotated while the fastening member 26 is rotated. The male screw portion 26a must be inserted into the first opening 38a of the attachment piece 38, and it takes time to align the male screw portion 26a and the first opening 38a. On the other hand, according to the present embodiment, the fastening member 26 is held by the second member of the crosspiece member 20 in a state where the fixing member 30 is temporarily assembled by the fastening member 26 and the fastened member 28 by being constituted by separate members. The part 22 can be held, and workability can be greatly improved.

  Moreover, according to this embodiment, since the lower contact piece 37 of the first fixing member 30a extends longer than the second upper contact piece 33, the solar cell module 2 is connected to the lower contact piece 37. The other end side is placed in an inclined state so as to be higher, and then rotated while sliding toward the shaft portion 31 side, so that one end side of the solar cell module 2 is placed below the second upper contact piece 33 and the lower side contact piece 33. It can be inserted between the side contact pieces 37. For this reason, it can work very easily compared with the case where it inserts straight after making the solar cell module 2 parallel to the crosspiece member 20. FIG. For example, when the solar cell module 2 is inserted in parallel to the crosspiece member 20, it is necessary to move it along the crosspiece member 20 while slightly floating from the crosspiece member 20. Although it is extremely difficult to perform the work, in the present embodiment, the solar cell module 2 is placed on the lower contact piece 37 in an inclined state, and the solar cell module 2 is slid and inserted while being rotated. Therefore, even one worker can work easily, improving workability and reducing labor load. Further, in the present embodiment, the frame body 2b of the solar cell module 2 has the standing wall portion 2d and is provided with the second hanging piece 35 at the tip of the second upper contact piece 33. By inserting the solar cell module 2 while rotating, the standing wall portion 2 d can be fitted between the second hanging piece 35 and the shaft portion 31 without the standing wall portion 2 d hitting the second hanging piece 35. .

  Moreover, according to this embodiment, since the 2nd fixing member 30b which has the mounting part 36 is equipped with the clamping piece 39, after performing the insertion operation of the mounting part 36 with respect to the 1st module 2x, it is 1st. If the hanging operation of the hanging piece 34 is performed, the attachment piece 38 is superposed on the holding piece 39, and the entire fixing means 30 can be fixed by the pair of fastening members 26 and the fastened member 28. . Therefore, the fixing operation can be further facilitated.

  Moreover, according to this embodiment, since the mounting part 36 is formed in the rectangular tube shape, it becomes a strong structure, for example, even if the load applied from the solar cell module 2 due to strong winds or the like becomes relatively large. Can be supported.

  Furthermore, according to the present embodiment, since the elongated hole 37 a is formed in the lower contact piece 37 of the fixing means 30 and the operator's finger can be inserted together with the fastened member 28, the fastened to the fastened member 28 is fastened. The member 26 can be easily screwed.

  The present invention has been described with reference to preferred embodiments. However, the present invention is not limited to these embodiments, and various modifications can be made without departing from the spirit of the present invention as described below. And design changes are possible.

  That is, in the above embodiment, two solar cell modules 2 are arranged with respect to the flow direction of the roof. However, only one solar cell module 2 may be arranged, or three or more solar cell modules 2 may be arranged. . Moreover, in the said embodiment, although the one solar cell module 2 was supported by the two crosspiece members 20, you may make it support by the three or more crosspiece members 20. FIG.

  In the above embodiment, the solar cell modules 2 are arranged only in the flow direction. However, a plurality of solar cell modules 2 may be arranged in the lateral direction of the roof.

  In the above-described embodiment, a square bolt is used as the fastening member 26 held by the crosspiece member 20 and a nut is used as the fastened member 28 fastened to the fastening member 26, but a nut is used as the fastening member 26. Alternatively, a bolt may be used as the fastened member 28.

  Moreover, in the said embodiment, although the one end side end surface of the fixing means 30 and the crosspiece member 20 was covered with the eaves cover 50, and the other end side end surface of the crosspiece member 20 was covered with the end surface cover 51, the both sides of the crosspiece member 20 were shown. Any of the end faces may be covered with the end face cover 51.

  Furthermore, in the said embodiment, although what has the flange part 2c and the standing wall part 2d was shown as the frame 2b of the solar cell module 2, the frame which has only a flange part, or a frame which does not have a flange part and a standing wall part The body may be used.

2 solar cell module 2a solar cell panel 2x first module (solar cell module)
2y Second module (solar cell module)
20 Crosspiece member 22 Second holding part (holding part)
26 Fastening member 28 Fastened member 30 Fixing means 30a First fixing member 30b Second fixing member 31 Shaft portion 32 First upper contact piece (upper contact piece)
33 Second upper contact piece (upper contact piece)
36 mounting portion 37 lower contact piece 37a long hole 38 attachment piece 38a first opening 39 clamping piece 39a second opening 41 eaves side fixing means (one end side fixing means)
43 Middle fixing member (fixing means on the other end)

JP 2010-261257 A

Claims (3)

A long bar member arranged on the roofing material;
A fixing means for fixing the solar cell module installed on the upper side of the crosspiece member to the crosspiece member,
The cross member has a holding portion on the upper surface for holding a fastening member for fastening the fixing means to the cross member so as to be slidable only in the longitudinal direction,
The fixing means includes
An upper contact piece that is capable of contacting the upper surface of the solar cell module and extends in a direction parallel to the longitudinal direction of the crosspiece member;
A shaft portion extending downward from the center of the upper contact piece,
A lower contact piece that extends from the middle of the shaft portion in a direction parallel to the longitudinal direction of the crosspiece member in a direction longer than the upper contact piece and is capable of contacting the lower surface of the solar cell module;
And it extends in a direction parallel to the lower contact piece from the lower end of the shaft portion, forms a predetermined space between the lower contact piece and the crosspiece member, and is placed on the crosspiece member An attachment piece having a first opening into which the fastening member or a fastened member fastened to the fastening member can be inserted,
A first fixing member having
Between the solar cell module and the crosspiece member, which is disposed on the opposite side of the lower contact piece across the shaft portion of the first fixing member and different from the solar cell module with which the lower contact piece contacts. A mounting portion for mounting the solar cell module at the same height as the solar cell module with which the lower contact piece abuts,
And a second opening that extends from a lower end of the mounting portion in a direction parallel to the longitudinal direction of the crosspiece member and is disposed below the attachment piece and into which the fastening member or the fastening member can be inserted. A fixing structure for a solar cell module, comprising: a second fixing member having a sandwiching piece having a first member and a second fixing member.   2. The solar cell module fixing structure according to claim 1, wherein the lower contact piece of the first fixing member has a long hole through which the fastened member can pass above the first opening. . A solar cell module fixing method for constructing a solar cell module fixing structure according to claim 1 or 2,
The fixing means for fixing one end side of the solar cell module to the crosspiece member is used as one end side fixing means, and the fastening member is held by the holding portion of the crosspiece member and fixed at a predetermined position. One end of the solar cell module is placed on the lower abutting piece in an inclined state so that the other end is raised, and is parallel to the lower abutting piece while sliding to the shaft side. By rotating the solar cell module so that the one end side of the solar cell module is inserted and fixed between the upper contact piece and the lower contact piece,
The fixing means for fixing the other end side of the solar cell module to the crosspiece member is the other end side fixing means, and the other end side fixing means temporarily assembled by the fastening member and the fastened member is the fastening member. The slide member is slid along the longitudinal direction of the cross member while being held by the holding portion of the cross member, and the mounting portion of the second fixing member is placed between the other end side of the solar cell module and the cross member. And then the upper contact piece of the first fixing member is brought into contact with the upper surface of the solar cell module from above, and the fastening member and the fastened member are fastened to fix the other end side fixing means. A method for fixing a solar cell module, wherein the other end side of the solar cell module is fixed to the crosspiece member.

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