JP2013170351A - Frame body, solar cell module having the frame body, installation structure of solar cell module, and installation method of solar cell module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a frame body which allows the infiltration of rainwater from a joint part to be prevented or reduced.SOLUTION: A solar cell module main body 2 is held at peripheral edges with four frame pieces 10, 20, 30, and 40. The first frame piece 10 of two frame pieces opposite to each other includes an overlapping piece 13 extending in the lateral direction toward the opposite side of the solar cell module main body 2 from the upper end in the height direction perpendicular to the longitudinal direction, and a fitting receptacle piece 15 extending in the lateral direction toward the bottom side of the solar cell module main body 2 from the lower end in the height direction. The second frame piece 20 of two frame pieces opposite to each other includes a fitting pieces 25 extending in the lateral direction toward the opposite side of the solar cell module main body 2 from the lower end in the height direction perpendicular to the longitudinal direction. In the state that the fitting pieces 25 of the second frame piece 20 are fitted in the fitting receptacle piece 15 of the first frame piece 10, the overlapping piece 13 of the first frame piece 10 overlaps the upper end face of the second frame piece 20.

Description

  The present invention relates to a frame having a structure in which frames of solar cell modules overlap each other at a joint portion, a solar cell module provided with the frame, a solar cell module installation structure, and a solar cell module installation method.

  In a solar power generation system for a house, it has been performed so far to install a solar cell module on an existing roof (for example, see Patent Document 1). However, recently, a roof tile-integrated solar cell module in which a solar cell module has a roof function has been developed (for example, see Patent Document 2). Functions required for the roof tile-integrated solar battery module include fire resistance, waterproofness, and the like in addition to the functions required for the solar battery module as a power generation system. Regarding waterproofness, it is necessary to prevent water from entering from the connecting portion between the solar cell modules. Furthermore, when the transportation of the solar cell module is considered, it is necessary to have a structure in which the heights of the frames are the same so that they can be stacked.

  In Patent Document 1, the adjacent upper and lower frames of the solar energy conversion panels arranged above and below are in close contact with each other, and the height from the inclined surface to the upper surface of the roof of the upper and lower frames of each solar energy conversion panel is set. Further, a solar energy conversion device is disclosed in which the portion protruding from the end face of the lower frame is shortened to eliminate the step of the frame by eliminating a cap.

  Further, in Patent Document 2, an extension portion that extends and protrudes in parallel with the upper surface of the frame portion is provided on the cover portion provided on the first frame of the solar cell panel, and between the extension portion and the upper surface of the frame portion. A snow cover structure for a solar cell roof in which an extended portion is used as a snow stop portion by forming a recess in the cover is disclosed.

JP-A-9-279790 JP-A-8-13725

  In the solar cell energy conversion device described in Patent Document 1, the heights of the upper and lower frames are the same, but the connecting portion has a structure in which the ear portion is fitted to the notch portion. Therefore, there is a possibility that rainwater, etc. may invade between the tip of the ear and the stepped part of the notch, and since the infiltrated rainwater has a stepped part, the outside (on the surface side of the frame where the rain hits) There was a problem that it was not discharged and the possibility of entering the inside of the joint portion was high.

  Moreover, in the solar cell roof of patent document 2, since a connection part has overlapped, water cannot enter easily, but since the height of a frame differs, when it piles up, it will become gradually diagonal. For this reason, there is a problem in that it cannot be stacked and transported as it is.

  The present invention was devised to solve such problems, and its purpose is to prevent the intrusion of rainwater and the like from the joint portion and to provide a frame body that can be transported in a stacked manner. To provide a solar cell module, a solar cell module installation structure, and a solar cell module installation method.

  In order to solve the above-mentioned problem, the frame of the present invention is a frame having a structure in which the peripheral portion of the solar cell module body is held by four elongated frame pieces, and the first of the two opposed frame pieces. One frame piece is an overlapping piece extending in the lateral direction from the upper end portion in the height direction orthogonal to the longitudinal direction to the opposite side of the solar cell module body, and the solar cell module from the lower end portion in the height direction. A fitting receiving piece extending in the lateral direction on the bottom surface side of the main body, and the second frame piece of the two opposed frame pieces is from the lower end portion in the height direction perpendicular to the upper end surface and the longitudinal direction. The first frame piece and the second frame piece are formed at the same height in the height direction orthogonal to the longitudinal direction. The fitting piece extends in the lateral direction on the side opposite to the solar cell module body. The fitting piece of one frame body is the receiving portion of the other frame body. In the state where the fitting piece of one frame is fitted into the fitting receiving piece of the other frame, the overlapping piece of the other frame is the one frame. It is the structure which overlaps with the said upper end surface.

  ADVANTAGE OF THE INVENTION According to this invention, when arrange | positioning adjacent the solar cell module of the structure hold | maintained the peripheral part of the solar cell module main body with the frame, opposition of the frame of one solar cell module and the frame of another solar cell module Since the frame pieces to be overlapped with each other, it is possible to prevent or reduce the entry of water into the joint portion between the solar cell modules (the overlapping portion of the frame bodies). In addition, since the first frame piece and the second frame piece have the same height, they can be kept horizontal when they are stacked, so that they can be stacked and transferred as they are.

  Further, according to the frame of the present invention, the second frame piece includes an overlapping receiving piece extending in a lateral direction from the upper end portion in the height direction to the side opposite to the solar cell module body, The overlapping piece provided on the first frame piece of the other frame body is configured to overlap the overlapping receiving piece provided on the second frame piece of the one frame body.

  According to this configuration, when a solar cell module having a structure in which the peripheral portion of the solar cell module body is held by the frame body is disposed adjacent to each other, the frame body of one solar cell module and the frame body of another solar cell module are opposed to each other. It is possible to simplify the construction work by fitting the overlapping pieces with the overlapping receiving pieces between the frame pieces.

  Moreover, according to the frame of the present invention, the first water receiving portion is provided on the outer side surface of the first frame piece, and the second water piece is opposed to the one side water receiving portion on the outer side surface of the second frame piece. The water receiver is provided.

  According to this configuration, when a solar cell module having a structure in which the peripheral portion of the solar cell module body is held by the frame body is disposed adjacent to each other, the frame body of one solar cell module and the frame body of another solar cell module are opposed to each other. By providing the water receiving portion between the frame pieces to be performed, the water that has entered from the surface of the frame body can be received and flowed by the water receiving portion. Thereby, it can prevent or reduce that water splashes on a roof field ground directly.

  According to the frame of the present invention, the second water receiving portion includes a second horizontal water receiving piece extending in a horizontal direction from an outer surface of the second frame piece, and the second horizontal water receiving portion. A vertical water receiving piece extending upward from the front edge of the receiving piece, and the first water receiving portion extends laterally from the outer surface of the first frame piece and extends in the vertical direction. It is set as the structure provided with the 1st horizontal direction water receiving piece which reaches at least above the upper end edge part of a water receiving piece.

  According to this configuration, when a solar cell module having a structure in which the peripheral portion of the solar cell module body is held by the frame body is disposed adjacent to each other, the frame body of one solar cell module and the frame body of another solar cell module are opposed to each other. By providing the water receiving portion between the frame pieces, the water that has entered from the surface of the frame body is received by the water receiving portion and can flow more reliably. Thereby, it can prevent or reduce that water splashes on a roof field ground directly.

  Moreover, the solar cell module of the present invention holds the solar cell module main body using the frame body having the above-described configurations. According to this configuration, it is possible to provide a solar cell module that is excellent in waterproofness and suitable for transportation.

  Moreover, the solar cell module installation structure according to the present invention is a solar cell module installation structure in which the solar cell modules having the above-described configurations are installed on an installation surface that is inclined in one direction. , At least two of the solar cell modules are adjacently disposed along the inclination direction, the first frame piece of the one solar cell module is disposed on the inclined downstream side, and the second frame piece is disposed on the inclined upstream side, The other solar cell module disposed on the inclined upstream side of the one solar cell module is connected to the fitting piece provided on the second frame piece of the one solar cell module. The fitting receiving piece provided on the first frame piece is fitted, and the overlapping piece provided on the first frame piece of the other solar cell module is the one solar power. It is characterized by being arranged so as to overlap the upper end surface of the second frame piece of the module.

  According to the present invention, since the opposing frame pieces of the frame body of one solar cell module and the frame body of another solar cell module overlap each other, the joint portion of the solar cell modules (of the frame body) It can be set as the installation structure which can prevent water entering a roof field ground from an overlap part).

  Moreover, according to the installation structure of the solar cell module according to the present invention, the fitting piece provided on the second frame piece of the one solar cell module is fixed to the installation surface by a fixing member. . According to this configuration, the fitting piece provided on the second frame piece of one solar cell module is fixed to the installation surface by a fixing member such as a screw or a screw, so that another solar cell arranged adjacent thereto The first frame piece of the module can be fixed to the installation surface simply by fitting the fitting receiving piece provided on the first frame piece into the fitting piece fixed to the installation surface. Can be reduced. Thereby, construction work can be simplified.

  Further, the solar cell module installation method according to the present invention is a method of installing the solar cell module having the above configuration adjacent to the installation surface provided in an inclined direction in the inclined direction, Arranging the first frame piece of the one solar cell module on the inclined downstream side, arranging the second frame piece on the inclined upstream side, and installing the one solar cell module on the installation surface; The fitting receiving piece provided in the first frame piece of the other solar cell module is fitted into the fitting piece provided in the second frame piece of the one solar cell module, and the other sun is provided. The overlapping piece provided on the first frame piece of the battery module is arranged so as to overlap the upper end surface of the second frame piece of the one solar cell module, and the inclined upstream of the one solar cell module. It is characterized by a and a step of placing the other solar cell module on the installation surface.

  According to the present invention, the other solar cell module arranged adjacent to one solar cell module installed on the installation surface of the one solar cell module is a fitting piece provided on the second frame piece of one solar cell module. Moreover, the 1st frame piece side can be fixed only by inserting the fitting receiving piece provided in the 1st frame piece of another solar cell module. At this time, the overlapping piece provided on the first frame piece of the other solar cell module is arranged so as to overlap the upper end surface of the second frame piece of one solar cell module, so that water from the surface of the frame body can be obtained. Can be prevented or reduced. That is, it leads to simplification of construction work, can shorten the work time, and can provide a method for installing a solar cell module excellent in waterproofness.

  Since the present invention is configured as described above, when a solar cell module having a structure in which the peripheral portion of the solar cell module body is held by a frame body is disposed adjacent to each other, the frame body of one solar cell module and other solar cell modules Since the frame pieces facing the frame body overlap each other, it is possible to prevent water from entering from the joint portion (the overlapping portion of the frame body) between the solar cell modules. In addition, since the first frame piece and the second frame piece have the same height, they can be kept horizontal when they are stacked, so that they can be stacked and transferred as they are.

It is a perspective view which shows the whole structure of the solar cell module provided with the frame which concerns on this invention. It is the sectional view on the AA line of FIG. It is the BB sectional view taken on the line of FIG. It is sectional drawing of a 1st frame piece. It is sectional drawing of a 2nd frame piece. It is sectional drawing of a 3rd frame piece. It is sectional drawing of a 4th frame piece. It is the disassembled perspective view which looked at the C section in FIG. 1 from arrow c1 direction. It is the disassembled perspective view which looked at the D section in FIG. 1 from arrow d1 direction. It is the disassembled perspective view which looked at the E part in FIG. 1 from the arrow e1 direction. It is the disassembled perspective view which looked at F part in FIG. 1 from the arrow f1 direction. It is a perspective view which shows the state which laid the solar cell module on the roof. It is the GG sectional view taken on the line of FIG. It is the HH sectional view taken on the line of FIG. It is the perspective view which looked at I section of Drawing 12 from arrow i1 direction. It is the JJ sectional view taken on the line of FIG. It is a perspective view of a water tank. It is sectional drawing seen from the front which shows the state which laminated | stacked the solar cell module.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 is a perspective view showing the overall configuration of a solar cell module including a frame according to the present invention, FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, and FIG. 3 is a cross-sectional view taken along line BB in FIG. FIG. The solar cell module according to this embodiment is a roof tile-integrated solar cell module in which the solar cell module has a roof tile function.

  As shown in FIG. 1, the solar cell module 1 of the present embodiment includes a solar cell module main body 2 and a frame body 3 that holds the peripheral edge of the solar cell module main body 2.

  In the present embodiment, the solar cell module body 2 is not particularly limited, and examples thereof include silicon solar cells such as single crystal, polycrystal, and thin film, compound solar cells such as GaAs, CdTe, and CdS, and dye sensitization. And organic solar cells such as organic thin films.

  The frame 3 is composed of four long frame pieces that hold the peripheral edge of the solar cell module main body 2, and a long first frame piece that holds the long side of the solar cell module main body 2. 10 and the 2nd frame piece 20, and the elongate 3rd frame piece 30 and the 4th frame piece 40 which hold | maintain the short side of the solar cell module main body 2 are comprised.

  Each frame piece 10, 20, 30, 40 is formed by extrusion of aluminum. The first frame piece 10 holds an edge portion of the solar cell module body 2 located on the house eaves side. The second frame piece 20 holds an edge portion of the solar cell module body 2 that is located on the housing ridge side. The third frame piece 30 and the fourth frame piece 40 respectively hold the left and right side edge portions of the solar cell module body 2 and connect the both end portions thereof to the both end portions of the first frame piece 10 and the second frame piece 20. doing.

  Next, the configuration of each of the frame pieces 10, 20, 30, 40 will be described.

  4 is a sectional view of the first frame piece 10, FIG. 5 is a sectional view of the second frame piece 20, FIG. 6 is a sectional view of the third frame piece 30, and FIG. 7 is a sectional view of the fourth frame piece 40. FIG. 8 is an exploded perspective view of the portion C in FIG. 1 as viewed from the direction of the arrow c1, FIG. 9 is an exploded perspective view of the portion D in FIG. 1 as viewed from the direction of the arrow d1, and FIG. FIG. 11 is an exploded perspective view of the portion E in FIG. 1 viewed from the direction of the arrow f1, and FIG. 11 is an exploded perspective view of the portion F in FIG.

<Description of the first frame piece 10>
As shown in FIGS. 2 and 4, the first frame piece 10 includes a long main plate 11 that serves as a leg when holding the solar cell module body 2, and is orthogonal to the longitudinal direction of the main plate 11. At the upper end in the height direction, a pair of upper and lower holding pieces 12a, 12b that fit and hold the edge of the solar cell module body 2 from the lateral direction on one side surface (hereinafter referred to as the right side) 11a. Is extended horizontally.

  On the other hand, on the other side surface (hereinafter referred to as the left side surface) 11b opposite to the right side surface 11a, an overlapping piece 13 is extended in the lateral direction from the upper end portion toward the side opposite to the solar cell module body 2. In addition, a first lateral water receiving piece (first water receiving portion) 14 is extended on the left side surface 11b of the lower portion of the overlapping piece 13 in the horizontal direction toward the opposite side of the solar cell module body 2 in the same manner. Yes. The lateral length of the first lateral water receiving piece 14 is set to be sufficiently shorter than the lateral length of the overlapping piece 13.

  On the other hand, a receiving piece 15 is fitted into the lower end portion of the right side surface 11 a of the main plate 11 so as to be fitted in the lateral direction toward the bottom surface side of the solar cell module body 2. The fitting receiving piece 15 has a bowl shape that extends in the horizontal direction from the right side surface 11a of the main plate 11, is bent downward, and is further bent in the horizontal direction toward the main plate 11 side.

  On the other hand, a lower rib piece 16 extends toward the opposite side of the solar cell module body 2 at the lower end portion of the left side surface 11b of the main plate 11 (more specifically, the position facing the fitting receiving piece 15). Has been. The length of the lower rib piece 16 is set sufficiently shorter than the lateral length of the overlapping piece 13.

  Further, on the right side surface 11 a of the main plate 11, a predetermined interval is vertically provided between the upper holding piece 12 b that fits and holds the edge of the solar cell module body 2 from the lateral direction and the fitting receiving piece 15. A pair of screw hole portions 17 are provided. Although the screw hole portion 17 is formed in a C-shaped cross section, the screw hole portion 17 may have a complete cylindrical shape in cross section.

  Further, as shown in FIGS. 8 and 11, at both end portions of the first frame piece 10, the lower side component members are cut out by a certain length L <b> 1 from the lower screw hole portion 17. Specifically, the lower main plate 11, the fitting receiving piece 15, and the lower rib piece 16 from the lower screw nail portion 17 are cut out by a certain length L1. This notch is provided to avoid contact with a water tank 50 described later.

<Description of the second frame piece 20>
As shown in FIGS. 2 and 5, the second frame piece 20 includes a long main plate 21 that serves as a leg when the solar cell module body 2 is held, and is orthogonal to the longitudinal direction of the main plate 21. A pair of upper and lower holding pieces 22a, 22b that fit and hold the edge portion of the solar cell module body 2 from the lateral direction on one side surface (hereinafter referred to as the left side surface) 21b of the upper end portion in the height direction. Is extended horizontally.

  On the other hand, on the other side surface (hereinafter referred to as the right side surface) 21a opposite to the left side surface 21b, a receiving piece 23 is extended in the lateral direction from the upper end portion toward the side opposite to the solar cell module body 2. A second water receiving portion 24 is extended on the right side surface 21a of the lower portion of the overlapping receiving piece 23 in the lateral direction toward the opposite side of the solar cell module body 2 in the same manner. The second water receiving portion 24 includes a second horizontal water receiving piece 24a extending in the horizontal direction from the right side surface 21a, and a vertical extension extending upward from the front edge of the second horizontal water receiving piece 24a. A directional water receiving piece 24b is provided, and a gap between the upper end portion of the vertical water receiving piece 24b and the tip end portion of the overlapping piece 23 serves as a water receiving port.

  Further, a fitting piece 25 is extended at the lower end portion of the right side surface 21 a of the main plate 21 in the lateral direction toward the side opposite to the solar cell module body 2. The fitting piece 25 extending in the lateral direction is bent in the middle of the step, and the bent tip portion 25a can be fitted into the fitting receiving piece 15 formed in a bowl shape of the first frame piece 10. It has become. Moreover, the base end side of the fitting piece 25 is extended to the left side surface 21b side of the main plate 21, and the main plate 21 and the fitting piece 25 are configured to be connected in an inverted T shape.

  Further, on the left side surface 21 b of the main plate 21, the upper and lower holding pieces 22 b that fit and hold the edges of the solar cell module body 2 from the lateral direction and the extending portions of the fitting pieces 25 are vertically arranged. A pair of screw hole portions 27 are provided at a predetermined interval. Although the screw hole portion 27 is formed in a C-shaped cross section, the screw hole portion 27 may have a complete cylindrical shape in cross section.

  Further, as shown in FIGS. 9 and 10, at both ends of the second frame piece 20, the lower side component member is cut out by a certain length L <b> 1 from the lower screw hole portion 27. Specifically, the main plate 21 and the fitting piece 25 below the lower screw nails 27 are cut out by a certain length L1. This notch is provided to avoid contact with a water tank 50 described later.

  In the above configuration, the height of the first frame piece 10 and the height T20 of the second frame piece 20 are formed at the same height (T10 = T20).

<Description of the third frame piece 30>
As shown in FIGS. 3 and 6, the third frame piece 30 is a frame body that holds the short side on the left side of the solar cell module body 2 in the present embodiment, and includes a main body portion 31 having a rectangular closed cross section. In addition, an extended bent piece 32 is provided which extends upward from the outer end (the left end in FIG. 6) of the upper surface of the main body 31 and then bends inward (upper surface of the main body 31). . The extended bent piece 32 and the upper surface 31a of the main body 31 constitute a pair of upper and lower holding pieces that fit and hold the edge portion on the short side of the solar cell module body 2 from the lateral direction. In addition, a short-side sewage receiving piece 34 is extended in the lateral direction from the base end portion of the extended bent piece 32 toward the outer side direction (the direction opposite to the upper surface 31a of the main body portion 31). The short-side sewage receiving piece 34 includes a bent tip 34a whose tip is bent upward. Further, a lower rib piece 35 is provided so as to extend laterally from the inner end (right end in FIG. 6) of the lower surface of the main body portion 31.

  As shown in FIGS. 10 and 11, both end portions of the third frame piece 30 are attachment pieces 36 that extend the outer wall surface of the main body portion 31 in the longitudinal direction. A screw hole 37 (see FIG. 11) for attaching the screw member to the screw ball portion 17 of the one frame piece 10 and a screw hole 38 (see FIG. 10) for attaching the screw member to the screw ball portion 27 of the second frame piece 20 are provided. Is provided.

  However, one attachment piece 36 (see FIG. 11) facing the end of the first frame piece 10 extends in the longitudinal direction (lateral direction) to the main plate 11 of the first frame piece 10. The overlapping piece 13 of the piece 10, the first lateral water receiving piece 14, and the lower rib piece 16 are not covered. Similarly, the other attachment piece 36 (see FIG. 10) facing the second frame piece 20 extends in the longitudinal direction (lateral direction) to the main plate 21 of the second frame piece 20. The overlap receiving piece 23, the second water receiving portion 24, and the fitting piece 25 are not covered. That is, the first lateral water receiving piece 14 and the second water receiving portion 24 are not closed.

<Description of the fourth frame piece 40>
As shown in FIGS. 3 and 7, the fourth frame piece 40 is a frame body that holds the short side on the right side of the solar cell module body 2 in the present embodiment, and includes a main body portion 41 having a rectangular closed cross section. In addition, an extended bent piece 42 is provided that extends upward from the outer end (right end in FIG. 7) of the upper surface of the main body portion 41 and then bends inward (upper surface side of the main body portion 31). . The extended bent piece 42 and the upper surface 41a of the main body portion 41 constitute a pair of upper and lower holding pieces that fit and hold the edge portion on the short side of the solar cell module body 2 from the lateral direction. Further, a short-side-side upper water receiving piece 44 is extended in the lateral direction from the bent portion of the extended bent piece 42 toward the outer side direction (the direction opposite to the upper surface of the main portion 41). The short-side water receiving piece 44 includes a bent tip portion 44a whose tip portion is bent downward. Further, a lower rib piece 45 is provided extending laterally from the inner end (left end in FIG. 7) of the lower surface of the main body 41.

  Further, as shown in FIGS. 8 and 9, both end portions of the fourth frame piece 40 are attachment pieces 46 extending in the longitudinal direction of the outer wall surface of the main portion 41, A screw hole 47 (see FIG. 8) for attaching a screw member to the screw ball portion 17 of one frame piece 10 and a screw hole 48 (see FIG. 9) for attaching a screw member to the screw ball portion 27 of the second frame piece 20 are provided. Is provided.

  However, one attachment piece 46 (see FIG. 8) facing the end of the first frame piece 10 extends in the longitudinal direction (lateral direction) to the main plate 11 of the first frame piece 10. The overlapping piece 13 of the piece 10, the first lateral water receiving piece 14, and the lower rib piece 16 are not covered. Similarly, the other mounting piece 46 (see FIG. 9) facing the second frame piece 20 extends in the longitudinal direction (lateral direction) to the main plate 21 of the second frame piece 20. The overlap receiving piece 23, the second water receiving portion 24, and the fitting piece 25 are not covered. That is, the first lateral water receiving piece 14 and the second water receiving portion 24 are not closed.

  In the above configuration, the height T30 of the third frame piece 30 and the height T40 of the fourth frame piece 40 are formed to be the same height (T30 = T40). On the other hand, the heights of the third frame piece 30 and the fourth frame piece 40 are formed to be lower than the heights of the first frame piece 10 and the second frame piece 20. Specifically, the height of the third frame piece 30 and the fourth frame piece 40 is about 5 mm lower than the height of the first frame piece 10 and the second frame piece 20. By forming the third frame piece 30 and the fourth frame piece 40 so as to be lower than the height of the first frame piece 10 and the second frame piece 20, the water tank 50, which will be described later, is formed in the third frame piece. It can be installed under the piece 30 and the fourth frame piece 40.

  The solar cell module 1 is assembled as follows using the frame pieces 10, 20, 30, and 40 having the above configuration.

  First, an end face sealing member (not shown) is fitted into the peripheral end portion of the solar cell module body 2. The end surface sealing member has a frame shape formed along the outer shape of the end portion of the solar cell module body 2 and is formed of, for example, an elastomer resin. And the holding pieces 12a and 12b of the 1st frame piece 10 and the 2nd frame piece 20 in the edge part which the long side opposes among the peripheral edge parts of the solar cell module main body 2 by which this end surface sealing member was engage | inserted. Each of the holding pieces 22a and 22b (see FIG. 2), and the holding pieces made of the extended bent piece 32 of the third frame piece 30 and the upper surface 31a of the main body 31 on the opposing edges on the short side side, The extended bending piece 42 of the 4th frame piece 40 and the holding piece which consists of the upper surface 41a of the main-body part 41 are each fitted (refer FIG. 3).

  And as shown in FIG.10 and FIG.11, the edge part of the 1st frame piece 10, the edge part of the 2nd frame piece 20, and the attachment piece 36 of the both ends of the 3rd frame piece 30 are made to respectively oppose, The screw member 60 is passed through the screw holes 37 and 38 from the outside of the attachment piece 36 and screwed into the screw hole portions 17 and 27 of the first frame piece 10 and the second frame piece 20 facing each other.

  Similarly, as shown in FIGS. 8 and 9, the end of the first frame piece 10 and the end of the second frame piece 20 are opposed to the attachment pieces 46 at both ends of the fourth frame piece 40, respectively. The screw member 60 is passed through the screw holes 47 and 38 from the outside of the mounting pieces 46 and screwed into the screw hole portions 17 and 27 of the first frame piece 10 and the second frame piece 20 facing each other.

  Thereby, as shown in FIG. 1 thru | or FIG. 3, the peripheral part of the solar cell module main body 2 is hold | maintained by the four frame pieces 10,20,30,40.

  The solar cell modules 1 assembled in this manner are sequentially laid on the roof which is the installation surface in this embodiment.

  FIG. 12 is a perspective view showing a state in which the solar cell module 1 is laid on the roof, in which the lower left side is the eaves side and the upper right side is the ridge side. In FIG. 12, only four solar cell modules 1 laid adjacent to each other are illustrated. 13 is a cross-sectional view taken along the line GG in FIG. 12, FIG. 14 is a cross-sectional view taken along the line H-H in FIG. 12, and FIG. 15 is a perspective view of the I portion in FIG. 16 is a cross-sectional view taken along line JJ of FIG. 15, and FIG. 17 is a perspective view of a water tank. Here, in the following description, the eave side is also referred to as an inclined downstream side (hereinafter simply referred to as “lower side”), and the ridge side is also referred to as an inclined upstream side (hereinafter simply referred to as “upper side”).

  When laying on the roof, first, the case of laying from the lower side to the upper side will be described, and then the case of laying in the lateral direction will be described.

<Explanation of vertical laying structure>
When laying on the roof, the solar cell module 1 is arranged with the first frame piece 10 side on the lower side (eave side) and the second frame piece 20 on the upper side (ridge side), and the lower solar cell module It arrange | positions so that the 1st 2nd frame piece 20 and the 1st frame piece 10 of the upper side solar cell module 1 may overlap.

  That is, as shown in FIG. 13, the fitting piece 25 provided in the lower second frame piece 20 is fitted into the fitting receiving piece 15 provided in the first frame piece 10 of the upper solar cell module 1, and The overlapping piece 13 provided on the first frame piece 10 is arranged so as to overlap the upper end surface of the second frame piece 20 (more specifically, the upper surface of the upper holding piece 22a).

  Thus, since the 2nd frame 20 of the lower solar cell module 1 and the 1st frame 10 of the upper solar cell module 1 which overlap are overlapped, the joint part of the solar cell modules 1 is mutually overlapped. Water can be prevented from entering from the (overlapping portion of the frame).

  In the present embodiment, the second frame piece 20 has a receiving piece 23 extending in a lateral direction from the upper end of the right side surface 21a of the main plate 21 toward the side opposite to the solar cell module body 2, The overlapping piece 13 of the first frame piece 10 is configured to overlap the overlapping receiving piece 23. In this way, by receiving the overlapping piece 13 with the overlapping receiving piece 23, the area of the overlapping portion increases and the overlapping state becomes more stable.

  Further, in the present embodiment, the second frame piece 20 is provided with a second water receiving portion 24 including a second horizontal water receiving piece 24a and a vertical water receiving piece 24b on the outer surface of the second frame piece 20. A first lateral water receiving piece (first water receiving part) 14 is provided on the outer surface of the first lateral water receiving piece 14, and the first lateral water receiving piece 14 is further from above the upper edge of the vertical water receiving piece 24 b. It is provided to reach a position close to the second frame.

  Thus, by providing the 2nd water receiving part 24 between the frame pieces which the adjacent solar cell modules 1 oppose, it penetrate | invades from the surface of a frame and is transmitted through the 1st water receiving piece 14 of a 1st frame. The water can be received by the second water receiver 24 and can flow in the second water receiver 24 toward the lower end. Thereby, it is possible to prevent rainwater or the like from directly splashing on the roof field ground.

  In addition, about fixation on the roof of the solar cell module 1, only the 2nd frame piece 20 is fixed on a roof, and about the 1st frame piece 10 which opposes this, fixation by a fixing member is not performed. That is, the fitting piece 25 of the second frame piece 20 is fixed at two places in the longitudinal direction by fixing members (not shown) such as screws and screws, and the fitting receiving piece 15 is attached to the first frame piece 10 facing this. The second frame piece 20 is fixed on the roof by being fitted into the bent tip 25a of the fitting piece 25.

  In this way, the fitting piece 25 provided in the second frame piece 20 of the lower solar cell module 1 is fixed on the roof by a fixing member such as a screw or a screw, so that the sun disposed adjacent to the upper side thereof. The first frame piece 10 of the battery module 1 can be fixed on the roof simply by fitting the fitting receiving piece 15 provided on the first frame piece 10 into the fitting piece 25. Thereby, since the location fixed directly on a roof by a fixing member can be reduced, the installation work in a place with bad scaffolds, such as a roof, becomes easy. In addition, since the number of fixing members can be reduced, the cost can be reduced, and the number of parts at the laying site can be reduced, so that installation errors can be reduced.

  The gravity of the second frame piece 20 is applied to the first frame piece 10. Therefore, a connecting member for connecting the first frame piece 10 and the second frame piece 20 is also unnecessary.

<Description of the laying structure in the horizontal direction>
In the lateral direction, as shown in FIGS. 14 to 16, the short-side sewage receiving piece 34 of the third frame piece 30 and the short-side upper water receiving piece 44 of the fourth frame piece 40 face each other vertically, In addition, the bent tip end 34 a of the short-side sewage receiving piece 34 of the third frame piece 30 abuts the outer surface of the extended bent piece 42 of the fourth frame piece 40, and the short-side upper water receiving piece of the fourth frame piece 40. The bent distal end portions 44 a of 44 are arranged adjacent to each other so as to contact the outer surface of the extended bent piece 32 of the third frame piece 30. That is, it has a structure (fitting structure) in which the short side side water receiving piece 44 and the short side side water receiving piece 34 are vertically overlapped.

  Thus, since the joint part of the 3rd frame 30 and the 4th frame 40 of the solar cell module 1 adjacent on the right and left overlaps up and down, short of the solar cell modules 1 adjacent on the left and right is short. It is possible to prevent water from entering from the joint portion on the side (the overlapping portion of the frame).

  According to the above arrangement, the short-side sewage receiving piece 34 and the short-side sewage receiving piece 44 only fit between the adjacent third frame piece 30 and the fourth frame piece 40. A gap P is generated. Therefore, in the present embodiment, the drainage water tank 50 is disposed between the adjacent third frame piece 30 and the fourth frame piece 40 in the vertical direction. That is, the 3rd frame piece 30 and the 4th frame piece 40 are arrange | positioned on the water tank 50 laid on the roof.

  As shown in FIG. 17, the water tank 50 includes a water main body 51 that is a long plate body that is formed vertically from the upper side (ridge side) to the lower side (eave side). A pair of water guide walls 52 extending in the vertical direction with a constant interval along the width direction is formed on the upper surface of the main body 51. That is, the gutter main body 51 and the pair of water guide walls 52 form a groove portion 53 having an upward U-shaped cross section, and the third frame piece 30 and the fourth frame piece 40 are arranged in the groove portion 53. ing.

  Here, as described above, the third frame piece 30 and the fourth frame piece 40 are formed lower in height than the first frame piece 10 and the second frame piece 20. Therefore, the third frame piece 30 and the fourth frame piece 40 arranged on the water tank 50 are arranged in a state where the bottom surfaces 31 b and 41 b are floated from the main body 51 which is the bottom surface of the groove portion 53. Thus, the 3rd frame piece 30 and the 4th frame piece 40 are made into the state which floated from the groove part 53 of the water tank 50, and is between the 3rd frame piece 30 and the 4th frame piece 40, and the groove part 53. It becomes a structure where water flows through the gap. Thereby, the flow path through which water flows can be sufficiently secured. Further, the height of the water guide wall 52 can be relatively lowered. Furthermore, the construction error at the time of installing a solar cell module can be absorbed by making the 3rd frame piece 30 and the 4th frame piece 40 into the design which floated from the groove part 53 of the water tank 50. FIG.

  Further, the third frame piece 30 and the fourth frame piece 40 are not in contact with the water tank 50. That is, the third frame piece 30 and the fourth frame piece 40 and the water tank 50 are not connected by screws or the like. The solar cell module 1 has size differences, warpage, and the like, and the water tank 50 is installed on a roof that is not necessarily flat. Therefore, if the frame 3 of the solar cell module 1 and the water tank 50 are screwed, a load is applied to the water tank 50. However, as in the present embodiment, the frame 3 and the water tank 50 By adopting a structure in which the screw is not screwed, construction errors can be absorbed and the load on the water tank 50 can be reduced.

  On the other hand, as described above, the first frame piece 10 and the second frame piece 20 which are horizontal frame pieces are cut by a certain length L1 at the lower side of both ends. Therefore, about the arrangement configuration of the 1st frame piece 10 and the 2nd frame piece 20, and the water tank 50, as shown in FIG.15 and FIG.16, it arrange | positions so that a notch may straddle the water tank 50. FIG. 15 and 16 show the arrangement configuration of the second frame piece 20 and the water tank 50, but the arrangement configuration of the first frame piece 10 and the water tank 50 is exactly the same.

  In the present embodiment, after the water tank 50 is laid, a plurality of solar cell modules 1 are laid. Both ends of the first frame piece 10 and the second frame piece 20 are arranged so as to straddle the water tank 50, and have a structure that does not directly contact the water tank 50. Therefore, for example, the water tank 50 can be laid after the plurality of solar cell modules 1 are laid on the roof.

  In addition, as shown in FIG. 16, the 3rd frame 30 and the 4th frame 40 which are vertical frames have a structure where a joint part overlaps. Since the third frame 30 has the short-side sewage receiving piece 34, water is prevented from entering from the joint portion. However, even if water has entered, the short-side sewage receiving piece 34 has water. As a result, water falls on the water tank 50 (indicated by an arrow W1 in the figure). Similarly, the first frame 10 and the second frame 20 that are horizontal frames also have a structure in which the joint portions overlap. Therefore, water is prevented from entering from the joint portion, but even if water enters, the water passes through the first lateral water receiving portion 24 and falls on the water tank 50 (FIG. Middle, indicated by arrow symbol W2.)

  In other words, the water tank 50 has a secondary waterproof function of the joint of each solar cell module.

  In the present embodiment, the first frame piece 10 and the second frame piece 20 which are horizontal frames are formed so that the height direction is the same height (T10 = T20). Therefore, when the solar cell modules 1 supported by these frame pieces 10 and 20 are stacked for transportation, the solar cell modules 1 at each stage can be kept horizontal as shown in FIG. Thereby, it can convey as it piles up at the time of conveyance, and can convey stably also to the vibration at the time of conveyance, etc.

  In the above embodiment, the case where the solar cell module of the present invention is installed on the roof has been described. However, a large number of the solar cell modules of the present invention are installed on an installation stand installed on a large site. It is also possible to apply as a simple solar power generation system.

  Moreover, the embodiment disclosed this time is illustrative in all respects, and does not serve as a basis for limited interpretation. Therefore, the technical scope of the present invention is not interpreted only by the above-described embodiments, but is defined based on the description of the scope of claims. Moreover, all the changes within the meaning and range equivalent to a claim are included.

DESCRIPTION OF SYMBOLS 1 Solar cell module 2 Solar cell module main body 3 Frame 10 1st frame piece 11 Main plate 11a One side surface (right side surface)
11b Other side (left side)
12a, 12b Holding piece 13 Overlapping piece 14 1st lateral direction water receiving piece (1st water receiving part)
15 Insertion receiving piece 16 Lower rib piece 17 Screw hole 20 Second frame piece 21 Main plate 21a Other side surface (right side surface)
21b One side (left side)
22a, 22b Holding piece 23 Overlap receiving piece 24 Second water receiving portion 24a Second lateral water receiving piece 24b Vertical water receiving piece 25 Inserting piece 25a Bending tip portion 27 Screw hole portion 30 Third frame piece 31 Main portion 31a Upper surface 32 Extension bending piece 34 Short side sewage receiving piece 34a Bending tip 35 Lower rib piece 36 Mounting piece 37, 38 Screw hole 40 Fourth frame piece 41 Main part 42 Extension bending piece 44 Short side upper water receiving piece 44a Bending tip Part 45 Lower rib piece 46 Mounting piece 47, 48 Screw hole 50 Water tank 51 Water main body 52 Water guide wall 53 Groove part 60 Screw member

Claims (8)

A frame having a structure in which the peripheral portion of the solar cell module body is held by four elongated frame pieces,
Of the two opposing frame pieces, the first frame piece has an overlapping piece extending in the lateral direction from the upper end in the height direction perpendicular to the longitudinal direction to the side opposite to the solar cell module body, and the height. A fitting receiving piece extending in the lateral direction from the lower end of the direction to the bottom surface side of the solar cell module body,
Of the two opposing frame pieces, the second frame piece is a fitting piece extending laterally from the lower end portion in the height direction perpendicular to the upper end surface to the longitudinal direction on the side opposite to the solar cell module body. With
The first frame piece and the second frame piece are formed at the same height in the height direction orthogonal to the longitudinal direction,
The fitting piece of one frame body can be freely fitted into the insertion receiving piece of another frame body, and the fitting piece of one frame body is fitted into the insertion receiving piece of another frame body. In this state, the overlapping piece of the other frame body is configured to overlap the upper end surface of the one frame body. The frame according to claim 1,
The second frame piece includes an overlapping receiving piece extending in a lateral direction from the upper end portion in the height direction to the side opposite to the solar cell module body,
The frame body, wherein the overlapping piece of the other frame body is configured to overlap the overlapping receiving piece of the one frame body. A frame according to claim 1 or claim 2, wherein
A first water receiving portion is provided on the outer surface of the first frame piece, and a second water receiving portion is provided on the outer surface of the second frame piece so as to face the first water receiving portion. A frame body. The frame according to claim 3,
The second water receiving portion extends upward from a second lateral water receiving piece extending laterally from the outer surface of the second frame piece, and a tip edge of the second horizontal water receiving piece. A vertical water receiving piece, and the first water receiving portion extends laterally from the outer surface of the first frame piece to at least above the upper edge of the vertical water receiving piece. A frame body comprising a first lateral water receiving piece to reach.   The said solar cell module main body is hold | maintained using the frame of any one of Claim 1- Claim 4, The solar cell module characterized by the above-mentioned. A solar cell module installation structure that installs the solar cell module according to claim 5 on an installation surface inclined in one direction,
At least two of the solar cell modules are disposed adjacent to the installation surface along the tilt direction,
The other solar cell in which the first frame piece of the one solar cell module is arranged on the inclined downstream side, the second frame piece is arranged on the inclined upstream side, and arranged on the inclined upstream side of the one solar cell module. In the module, the fitting receiving piece provided in the first frame piece of the other solar cell module is fitted in the fitting piece provided in the second frame piece of the one solar cell module, and the other The solar cell module is characterized in that the overlapping piece provided on the first frame piece of the solar cell module is arranged so as to overlap an upper end surface of the second frame piece of the one solar cell module. Installation structure. It is an installation structure of the solar cell module according to claim 6,
The installation structure of the solar cell module, wherein the fitting piece of the one solar cell module is fixed to the installation surface by a fixing member. A method of installing the solar cell module according to claim 5 on the installation surface provided to be inclined in one direction, adjacently arranged along the inclination direction,
Arranging the first frame piece of the one solar cell module on the inclined downstream side, arranging the second frame piece on the inclined upstream side, and installing the one solar cell module on the installation surface;
The fitting receiving piece provided in the first frame piece of the other solar cell module is fitted into the fitting piece provided in the second frame piece of the one solar cell module, and the other sun is provided. The overlapping piece provided on the first frame piece of the battery module is arranged so as to overlap the upper end surface of the second frame piece of the one solar cell module, and the inclined upstream side of the one solar cell module A step of installing the other solar cell module on the installation surface of the solar cell module.

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