JP5205249B2 - Solar cell module mounting structure and mounting method - Google Patents

Description

  The present invention relates to a solar cell module mounting structure and mounting method used when a solar cell module is mounted on an enclosure such as a roof or a wall of a building.

Conventionally, a technique for attaching a solar cell module to an enclosure such as a roof or a wall of a building is known. For example, Patent Document 1 below discloses a technique for fixing a rail to a roof with a screw and fixing a solar cell module to the rail. The mounting structure disclosed in Patent Document 1 is a so-called roof-standing type. There is also known a so-called roof building material type mounting structure in which the installed solar cell module also functions as a roofing material.
JP 2001-98726 A

  However, in the mounting structure as described in Patent Document 1, a screw hole opened by a screw for fixing the rail spreads due to the vibration of the building, and rainwater passes from the screw hole to a base material (for example, a roof base). Material).

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a solar cell module mounting structure and a mounting method capable of preventing water from entering a base material.

The solar cell module mounting structure of the present invention is a solar cell module mounting structure having a solar cell panel and a frame member that supports the solar cell panel, and a groove that opens upward is formed along the longitudinal direction. The base member is formed between a long member provided with an overhang portion extending in the vicinity of the opening and extending in parallel with the bottom part fixed on the base material, and a plurality of long members fixed to the base material at a predetermined interval. An overhanging body attached to cover the material, a cap attached to cover the groove, and a fixing member for fixing the frame material arranged on the overhanging portion to the long member , the overhanging portion being , Extending in the direction of closing the opening of the long member, and the end of the envelope is provided in contact with the side of the long member and the upper surface of the overhanging portion, and the cap has an opening of the long member. It is inserted into the groove of the long member from the part A raised portion is formed, the cap is provided so as to surround the protruding portion, and the fixing member is disposed inside the protruding portion and is passed through the receiving metal fitting that contacts the lower surface of the protruding portion via the protruding portion. has a fastening bolt, the that, Rukoto tightened by fastening bolt is tightened, and a protruding portion, and the end portion of the outer surrounding body in contact with the projecting portion, a portion surrounding the protruding portion in the cap, the upper and lower It is characterized by.
Moreover, the solar cell module mounting structure of the present invention is a solar cell module mounting structure having a solar cell panel and a frame member that supports the solar cell panel, and a groove that opens upward is along the longitudinal direction. Between the long member that is formed and provided with a protruding portion extending in the vicinity of the opening that extends in parallel with the bottom portion fixed on the base material, and a plurality of long members fixed to the base material at a predetermined interval, An overhang that is attached to cover the base material, a cap that is attached to cover the groove, and a fixing member that fixes the frame member disposed on the overhang portion to the long member. The portion extends in a direction away from the opening of the long member, the end of the outer enclosure is provided so as to contact the side of the long member and the lower surface of the overhang, and the cap surrounds the overhang The fixed part is provided as Is disposed on the long member so as to cover the groove, and includes a first receiving bracket including a retaining portion formed so as to sandwich one overhanging portion vertically, and is disposed on the first receiving bracket, A second receiving metal fitting including a retaining portion formed so as to sandwich the overhanging portion; a first holding metal fitting disposed on the second receiving metal fitting; a first receiving metal fitting; a second receiving metal fitting; and a first presser. A joint bolt that is passed through the metal fitting. When the joint bolt is tightened, the overhanging portion, the end of the envelope that contacts the overhanging portion, and the portion surrounding the overhanging portion of the cap are moved up and down. It is characterized in that it is tightened.

Further, the solar cell module mounting method of the present invention is a solar cell module mounting method for mounting a solar cell module using the solar cell module mounting structure , wherein the long member is placed at a predetermined interval. A step of fixing a plurality of pieces on the base material, a step of attaching an envelope so as to cover the base material, a step of attaching a cap so as to cover the groove, and a protruding portion between the long members fixed to the base material And a step of disposing a frame material on the part and fixing the frame material to the long member by a fixing member.

  According to such a solar cell module mounting structure and mounting method, between the long members fixed to the base material at a predetermined interval, the envelope is attached so as to cover the base material. It is possible to prevent water from entering the base material between adjacent long members. In addition, since the groove formed in the long member is covered with the cap, water does not enter the groove, and thus water can enter the base material via the bottom part which is the attachment surface of the long member. Can be prevented. Therefore, it is possible to prevent water from entering the base material over the entire region where the solar cell module is attached.

  In the solar cell module mounting structure of the present invention, the overhanging portion extends in a direction to close the opening of the long member, and the end of the outer body is in contact with the side of the long member and the upper surface of the overhanging portion. It is preferable that it is shaped as described above.

  In this case, since the end of the envelope is formed so as to contact the side of the long member and the upper surface of the overhanging portion extending in the direction of closing the opening of the long member, It is possible to more reliably prevent water from entering the base material through the gap with the long member.

  In the solar cell module mounting structure of the present invention, the cap is formed with a protrusion that fits into the groove of the long member from the opening of the long member, and the width of the portion of the protrusion that fits into the groove is It is preferably larger than the width of the opening of the long member.

  In this case, since the width of the protrusion of the cap fitted into the groove of the long member is larger than the width of the opening of the long member, the cap can be more reliably prevented from coming out of the long member.

  In the solar cell module mounting structure of the present invention, the overhanging portion extends in a direction away from the opening of the long member, and the end of the outer body is in contact with the side of the long member and the lower surface of the overhanging portion. It is preferable that it is shaped as described above.

  In this case, since the end of the envelope is formed so as to contact the side of the long member and the lower surface of the overhanging portion extending in a direction away from the opening of the long member, It is possible to more reliably prevent water from entering the base material through the gap with the long member.

  In the solar cell module mounting structure of the present invention, it is preferable that the cap has a substantially hat-shaped cross section, and the cap has a substantially U-shaped cross section so as to surround the protruding portion.

  In this case, since the collar part of the cap is formed so as to surround the overhanging part, the cap can be more reliably prevented from coming off from the long member.

  According to such a solar cell module mounting structure and mounting method, the base material between the long members to which the frame member of the solar cell module is fixed is covered with the envelope, and the groove formed in the long member Since the cap is covered with the cap, water can be prevented from entering the base material over the entire region where the solar cell module is attached.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same or equivalent elements are denoted by the same reference numerals, and redundant description is omitted.

(First embodiment)
First, the mounting structure of the solar cell module according to the first embodiment will be described with reference to FIGS. FIG. 1 is a cross-sectional view showing a solar cell module mounting structure 1. FIG. 2 is a perspective view of the suspension 10 shown in FIG.

  The solar cell module mounting structure 1 (hereinafter simply referred to as mounting structure 1) is a mechanism for mounting the solar cell module 90 on the roof or wall surface of a building. Here, the solar cell module 90 includes a solar cell panel 91 and a frame member 92 attached to the outer edge of the solar cell panel 91.

  The mounting structure 1 includes a hanging member (long member) 10, a coated steel plate (enclosure) 20, an inner cap (cap) 30, a fixing member 50, and a joint cap 60.

  The hanging member 10 is a channel steel having a substantially C-shaped cross section. The groove 11 of the hanging element 10 is open upward and is formed along the longitudinal direction of the hanging element 10. The bottom part 12 of the hanging element 10 is a part in contact with the base material S and is formed flat. In the vicinity of the opening of the hanging element 10, an overhanging part 13 extending in parallel with the bottom part 12 is provided in a direction to close the opening part 14 (see FIG. 2). In other words, the overhang portion 13 extends in the width direction of the suspension 10. The frame member 92 of the solar cell module 90 is disposed on the projecting portion 13. A plurality of the hanging elements 10 are arranged substantially in parallel on the base material S with a predetermined interval. Each hanging piece 10 is fixed on the base material S by tightening the drill screw D so as to penetrate the bottom portion 12 and bite into the base material S. At this time, the reinforcing plate H is disposed on the bottom portion 12.

  The coated steel sheet 20 is attached so as to cover the base material S between the suspensions 10 fixed to the base material S. Both end portions of the coated steel plate 20 extending along the base material S are bent upward so as to be in contact with the side portions 15 (see FIG. 2) of the corresponding suspension 10 and are further in contact with the upper surface of the overhang portion 13. It reaches to the vicinity of the opening 14.

  The inner cap 30 is a long member that is fitted into the groove 11 of the hanging member 10, and the length thereof is the same as the length of the hanging member 10. In other words, the inner cap 30 is attached so as to cover the groove 11. The inner cap 30 is formed with a protrusion 31 that is fitted into the groove 11 of the hanging member 10. The width of the protruding portion 31 is substantially the same as the opening width in the vicinity of the opening 14 of the hanging member 10 and is larger than the opening width of the hanging member 10 in the groove 11. The inner cap 30 is made of, for example, rubber or plastic, but the raw material of the inner cap is not limited.

  The fixing member 50 is a member that fixes the frame member 92 of the solar cell module 90 disposed on the projecting portion 13 to the hanging member 10. The fixing member 50 includes a receiving metal 51, a holding metal 52, and a joining bolt 53. The receiving metal fitting 51 is disposed in the groove 11 of the suspension 10 (inside the protrusion 31 of the inner cap 30). At this time, a part of the upper surface of the receiving metal fitting 51 is in contact with the lower surface of the overhanging portion 13. The presser fitting 52 has a substantially U-shaped cross section and plays a role of simultaneously pressing the frame members 92 of adjacent solar cell modules 90 from above. Bolt holes (not shown) are formed in the receiving metal 51 and the holding metal 52, and the joining bolt 53 is passed through the two bolt holes and tightened. By tightening the joining bolt 53 in this way, the frame member 92 of the solar cell module 90 is fixed to the hanging member 10.

  The joint cap 60 is a long member that is fitted between the adjacent solar cell modules 90. The cross section of the joint cap 60 is substantially U-shaped. The joint cap 60 is fitted so that the upper surface thereof is substantially continuous with the upper surface of the frame member 92 of the solar cell module 90. The joint cap 60 is made of, for example, rubber or plastic, but the raw material of the joint cap is not limited.

  Next, a method for attaching the solar cell module 90 using the attachment structure 1 will be described with reference to FIGS. The solar cell module 90 is attached by fixing the suspension 10 on the base material S, attaching the coated steel plate 20 between the suspensions 10, fitting the inner cap 30 in the groove 11 of the suspension 10, This means a series of operations for fixing the frame member 92 of the battery module 90 to the suspension 10.

  First, the solar cell module 90, the suspension 10, the coated steel plate 20, the inner cap 30, the fixing member 50, and the joint cap 60 constituting the mounting structure 1 are prepared (step S11). Subsequently, a plurality of the hanging elements 10 are fixed on the base material S with a predetermined interval (step S12). Subsequently, the coated steel plate 20 is attached between the fixed suspensions 10 (step S13). At this time, both ends of the coated steel sheet 20 are bent upward so as to be in contact with the corresponding suspension 10 and further bent so as to be in contact with the upper surface of the overhanging portion 13. S is completely covered by the coated steel sheet 20.

  Subsequently, the inner cap 30 is fitted into the groove 11 of the hanging member 10 (step S14). As a result, the groove 11 of the hanging element 10 is completely covered by the inner cap 30. Subsequently, the frame member 92 of the solar cell module 90 is disposed on the overhanging portion 13 of the hanging member 10, and the frame member 92 is fixed to the hanging member 10 by the fixing member 50 (step S15). Then, the joint cap 60 is fitted between the adjacent solar cell modules 90 (step S16). This completes the installation of the solar cell module 90. As shown in FIG. 4, the external appearance at this time is such that the solar cell module 90 is mounted on the base material S and the space between the solar cell modules 90 is covered with the joint cap 60.

  As described above, according to the present embodiment, the coated steel plate 20 is attached so as to cover the base material S between the suspensions 10 fixed to the base material S at a predetermined interval. Intrusion of water into the base material S between the adjacent hanging elements 10 can be prevented. In addition, since the groove 11 formed in the hanging member 10 is covered with the inner cap 30, water does not enter the groove 11, and thus the base material S is interposed via the bottom portion 12 which is the mounting surface of the hanging member 10. It is possible to prevent water from entering the water. Therefore, it is possible to prevent water from entering the base material S over the entire region where the solar cell module 90 is attached.

  Further, according to the present embodiment, the end portion of the coated steel sheet 20 is in contact with the side portion 15 of the hanging member 10 and the upper surface of the overhanging portion 13 extending in the direction of closing the opening portion 14 of the hanging member 10. Therefore, it is possible to more reliably prevent water from entering the base material S through the gap between the coated steel plate 20 and the suspension 10.

  Moreover, according to this embodiment, since the width | variety of the protrusion part 31 of the inner cap 30 fitted in the groove | channel 11 of the hanging element 10 is larger than the width of the opening part 14 of the hanging element 10, the inner cap 30 is separated from the hanging element 10. It can be more reliably prevented from coming off.

  Moreover, according to this embodiment, since the frame material 92 is disposed on the hanging member 10, a certain range of space is ensured between the solar cell module 90 and the coated steel plate 20. The heat rise of 90 can be suppressed. Moreover, the space | interval which can be made between the adjacent solar cell modules 90 can be made small by arrange | positioning a frame material on the hanging element 10. FIG.

  In addition, according to the present embodiment, the solar cell module can be attached at the time of attaching the coated steel sheet as the finishing material, so that the operation becomes easier as compared with the case of attaching the solar cell module later. Installation costs can be reduced.

(Second Embodiment)
Next, the solar cell module mounting structure according to the second embodiment will be described with reference to FIGS. FIG. 5 is a cross-sectional view showing a solar cell module mounting structure 2 (hereinafter simply referred to as mounting structure 2). FIG. 6 is a perspective view of the suspension 70 shown in FIG. In addition, the description which overlaps with 1st Embodiment is abbreviate | omitted.

  The mounting structure 2 includes a hanging member (long member) 70, a coated steel plate (enclosure) 25, an inner cap 35, a fixing member 80, a cap receiver 65, and a joint cap 66.

  The hanging member 70 is a grooved steel having a substantially hat-shaped cross section. The groove 71 of the hanging element 70 opens upward, and is formed along the longitudinal direction of the hanging element 70. The bottom part 72 of the hanging element 70 is a part in contact with the base material S and is formed flat. In the vicinity of the opening of the hanging element 70, an overhanging portion 73 extending in parallel with the bottom portion 72 is provided in a direction away from the opening 74 (see FIG. 6). In other words, the overhanging portion 73 extends in the width direction of the hanging element 70.

  The coated steel sheet 25 is attached between the hanging members 70 fixed to the base material S so as to cover the base material S. Both end portions of the coated steel sheet 25 extending along the base material S are bent upward so as to be in contact with the side portions 75 (see FIG. 6) of the corresponding hanging element 70 and are further in contact with the lower surface of the overhang portion 73. It reaches to the vicinity of the end of the overhanging portion 73.

  The inner cap 35 is a long member that is fitted into the groove 71 of the hanging element 70, and the length thereof is the same as the length of the hanging element 70. In other words, the inner cap 35 is attached so as to cover the groove 71. The cross section of the inner cap 35 is a hat shape, and the collar portion 36 is formed in a substantially U-shaped cross section so as to surround the protruding portion 73.

  The fixing member 80 is a member that fixes the frame member 92 of the solar cell module 90 disposed on the projecting portion 73 to the hanging member 70. The fixing member 80 includes a first receiving bracket 81, a second receiving bracket 82, a first pressing bracket 83, a second pressing bracket 84, and a joining bolt 85.

  The first support member 81 is a member having a substantially L-shaped cross section, and is disposed above the hanging member 10 so as to cover the groove 71. A part of the first metal fitting 81 is a retaining portion 81 a formed so as to sandwich one overhang portion 73. The second metal fitting 82 is a member having a substantially L-shaped cross section, and is disposed on the first metal fitting 81. Part of the second metal fitting 82 is a retaining portion 82 a formed so as to sandwich the other overhanging portion 73. The first presser fitting 83 has a substantially U-shaped cross section and is disposed on the second support fitting 82. The second presser fitting 84 has a substantially U-shaped cross section and plays a role of simultaneously pressing the frame members 92 of adjacent solar cell modules 90 from above. Bolt holes (not shown) are formed in each of the first receiving metal 81, the second receiving metal 82, the first holding metal 83, and the second holding metal 84, and the joining bolt 85 is passed through each bolt hole. And tighten. By tightening the joining bolt 85 in this manner, the frame member 92 of the solar cell module 90 is fixed to the hanging member 70.

  The cap receiver 65 is a member for fixing a joint cap 66 described later. The cap receiver 65 is a substantially cylindrical body, but its upper part is closed. The cap receiver 65 is attached so as to cover the tightened joining bolt 85 from above. On the side surface of the cap receiver 65, a raised portion 65a that is raised to the side is formed.

  The joint cap 66 is a long member disposed between adjacent solar cell modules 90. The joint cap 66 is fixed in a state in which a gap between the adjacent solar cell modules 90 is closed by fitting a substantially U-shaped locking portion 66 a below the raised portion 65 a of the cap receiver 65.

  Next, a method for attaching the solar cell module 90 using the attachment structure 2 will be described with reference to FIG. FIG. 7 is a flowchart showing a method for attaching the solar cell module 90.

  First, the solar cell module 90, the hanger 70, the coated steel plate 25, the inner cap 35, the fixing member 80, the cap receiver 65, and the joint cap 66 constituting the mounting structure 2 are prepared (step S21). Subsequently, a plurality of the hanging elements 70 are fixed on the base material S with a predetermined interval (step S22). Subsequently, the coated steel plate 25 is attached between the fixed hanging members 70 (step S23). At this time, both end portions of the coated steel plate 25 are bent upward so as to be in contact with the corresponding hanging element 70, and further are bent so as to be in contact with the lower surface of the overhanging portion 73. S is completely covered by the coated steel plate 25.

  Subsequently, the inner cap 35 is attached so as to cover the groove 71 of the hanging member 70 (step S24). Subsequently, the frame member 92 of the solar cell module 90 is disposed on the overhanging portion 73, and the frame member 92 is fixed to the hanging member 70 by the fixing member 80 (step S25). At this time, the cap receiver 65 is attached so as to cover the joining bolt 85. And the clearance gap between the adjacent solar cell modules 90 is closed by fixing the joint cap 66 with respect to the cap receptacle 65 (step S26). This completes the installation of the solar cell module 90. The state when the attachment is completed is the same as that shown in FIG.

  As described above, also in the present embodiment, the coated steel plate 25 is attached so as to cover the base material S between the hanging members 70 fixed to the base material S at a predetermined interval. It is possible to prevent water from entering the base material S between the adjacent hanging elements 70. In addition, since the groove 71 formed in the hanging member 70 is covered with the inner cap 35, water does not enter the groove 71, and thus the base material S is interposed via the bottom portion 72 that is the mounting surface of the hanging member 70. It is possible to prevent water from entering the water. Therefore, it is possible to prevent water from entering the base material S over the entire region where the solar cell module 90 is attached.

  In addition, in this embodiment, it forms so that the edge part of the coating steel plate 25 may contact the side part of the hanging element 70, and the lower surface of the overhang | projection part 73 extended in the direction away from the opening part 74 of the hanging element 70. Therefore, it is possible to more reliably prevent water from entering the base material S through the gap between the coated steel plate 25 and the hanging member 70.

  Further, in the present embodiment, since the flange portion 36 of the inner cap 35 is formed so as to surround the overhanging portion 73, it is possible to more reliably prevent the inner cap 35 from coming off from the hanging member 70.

  Also according to the present embodiment, similarly to the first embodiment, the heat rise of the solar cell module 90 can be suppressed, or the gap formed between the adjacent solar cell modules 90 can be reduced. In addition, the mounting work can be facilitated and the mounting cost can be reduced.

  The present invention has been described in detail based on the embodiments. However, the present invention is not limited to the above embodiment. The present invention can be modified in various ways as described below without departing from the scope of the invention.

  The configuration of the fixing member is not limited to the above-described fixing members 50 and 80, and various modifications are possible. Further, the configuration of the joint cap is not limited to the joint caps 60 and 66 described above, and various modifications are possible.

It is sectional drawing which shows the attachment structure of the solar cell module which concerns on 1st Embodiment. FIG. 2 is a perspective view of a hanging member shown in FIG. 1. It is a flowchart which shows the attachment method of the solar cell module which concerns on 1st Embodiment. It is a figure which shows a mode when attachment of a solar cell module is completed. It is sectional drawing which shows the attachment structure of the solar cell module which concerns on 2nd Embodiment. FIG. 6 is a perspective view of the hanging member shown in FIG. 5. It is a flowchart which shows the attachment method of the solar cell module which concerns on 2nd Embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1, 2 ... Solar cell module mounting structure 10, 70 ... Suspension (long member), 11, 71 ... Groove, 12, 72 ... Bottom, 13, 73 ... Overhang, 14, 74 ... Opening, 15 , 75 ... side part, 20, 25 ... coated steel plate (enclosure), 30, 35 ... inner cap (cap), 31 ... projection part, 36 ... collar part, 50, 80 ... fixing member, 60, 66 DESCRIPTION OF SYMBOLS ... Joint cap, 90 ... Solar cell module, 91 ... Solar cell panel, 92 ... Frame material, S ... Base material.

Claims (5)

A solar cell module mounting structure having a solar cell panel and a frame material supporting the solar cell panel,
A long member in which a groove that opens upward is formed along the longitudinal direction, and an overhanging portion that extends in parallel with the bottom fixed on the base material is provided near the opening;
Between a plurality of the long members fixed to the base material at a predetermined interval, an enclosure attached to cover the base material;
A cap attached to cover the groove;
A fixing member for fixing the frame member disposed on the overhanging portion to the long member;
Equipped with a,
The overhanging portion extends in a direction to close the opening of the elongated member;
An end of the outer body is provided so as to be in contact with a side of the elongated member and an upper surface of the overhang;
The cap is formed with a protrusion that is fitted into the groove of the long member from the opening of the long member,
The cap is provided so as to surround the protruding portion,
The fixing member is
A receiving metal fitting disposed inside the protruding portion and in contact with the lower surface of the protruding portion via the protruding portion;
A joining bolt that is passed through the receiving bracket,
By the fastening bolt is tightened, the sun of said projecting portion, an end portion of the enclosure in contact with the projecting portion, a portion surrounding the protruding portion in the cap, characterized in Rukoto tighten the upper and lower Battery module mounting structure. Width of the portion to be fitted into the groove of the front Symbol projections is larger than the width of the opening portion of the elongated member,
The solar cell module mounting structure according to claim 1 . A solar cell module mounting structure having a solar cell panel and a frame material supporting the solar cell panel,
A long member in which a groove that opens upward is formed along the longitudinal direction, and an overhanging portion that extends in parallel with the bottom fixed on the base material is provided near the opening;
Between a plurality of the long members fixed to the base material at a predetermined interval, an enclosure attached to cover the base material;
A cap attached to cover the groove;
A fixing member for fixing the frame member disposed on the overhanging portion to the long member;
With
The overhanging portion extends in a direction away from the opening of the elongated member;
An end portion of the outer enclosure is provided so as to contact a side portion of the long member and a lower surface of the overhang portion ,
The cap is provided so as to surround the protruding portion,
The fixing member is
A first metal fitting that is disposed on the elongated member so as to cover the groove and includes a retaining portion formed so as to sandwich one of the overhang portions;
A second bracket including a retaining portion disposed on the first bracket and formed so as to sandwich the other overhanging portion vertically;
A first presser fitting disposed on the second receiving bracket;
A first bolt, a second bolt, and a joining bolt that is passed through the first retainer;
A solar cell characterized in that, by tightening the joining bolt, the projecting portion, an end portion of the outer body in contact with the projecting portion, and a portion surrounding the projecting portion in the cap are tightened up and down. Module mounting structure. The cross section of the cap is a substantially hat shape, and the collar portion of the cap is molded into a substantially U-shaped cross section so as to surround the protruding portion.
The solar cell module mounting structure according to claim 3 . A solar cell module mounting method for mounting the solar cell module using the solar cell module mounting structure according to any one of claims 1 to 4 .
A step of a plurality fixing the elongate member, the base sheet on at predetermined intervals,
In between the elongated member fixed to the base member, and attaching the enclosure so as to cover the lower ground material,
And attaching said cap to cover said groove,
A step of the frame member disposed on the protruding portion, to fix the said frame member by the fixing member to said elongated member,
A method for mounting a solar cell module comprising:

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