JP2014146621A - Power cable holding tool, power cable member including the same, solar cell module, and solar cell module mounting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a power cable holding tool, power cable member, solar cell module, and solar cell module mounting structure capable of surely holding a power cable in a bent state, even when a place for installing the power cable is a narrow space.SOLUTION: A power cable holding tool comprises a first holding member for holding a power cable in a bent state so as to keep an interval between parts adjacent to a bent part of the power cable in a bent shape. For example, the power cable is inserted into a pipe having two straight parts and a bent part in a bent shape (1), a plurality of projections in a plate-like part in a plate shape lock at least the outside of an outer shape of the power cable (2), the power cable is inserted from one side of one pipe part out of two pipe parts connected to each other by a connection part to the other side of the pipe part and the power cable is inserted from the other side of the other pipe part to the one side of the other pipe part (3), and the power cable is inserted into a ring member by being bent (4).

Description

  The present invention relates to a power cable holding jig applied to a solar cell module, a power cable member provided with the jig, a solar cell module, and a solar cell module mounting structure.

  In the solar cell module, generated power is usually output to the outside through a power cable electrically connected through a terminal box. Moreover, when installing a some solar cell module, an electric power cable is electrically connected between each solar cell module via a terminal box.

JP 2006-40950 A

  However, for example, if the space where the power cable is installed is narrow, it may be necessary to bend the power cable. In this case, it takes time to bend the power cable, and the finished state of appearance is also deteriorated. Further, excessive bending of the power cable may cause a decrease in reliability such as poor conduction or heat generation. . This will be described more specifically by taking as an example the cable connection of the power cable when the terminal box is provided on the side surface of the solar cell module body.

  FIG. 10 is a schematic plan view showing a conventional connection state of the power cable 20 to the terminal box 12 provided on the side surface 11 a of the solar cell module body 11 in the solar cell module 10. In FIG. 10, reference numeral 13 indicates a frame of the solar cell module body 11.

  The terminal box 12 shown in FIG. 10 has power cables connected to the terminal portions 12a and 12b on both sides X1 and X2 in the direction along the side surface 11a where the terminal box 12 of the solar cell module body 11 is provided (vertical direction X in the illustrated example). 20 and 20 are connected in opposite directions. That is, the power cable 20 on one side X1 (upper side in the illustrated example) is connected to the terminal portion 12a on one side X1 of the terminal box 12 in the vertical direction X, and the power cable 20 on the other side X2 (lower side in the illustrated example). Is connected to the terminal portion 12b on the other side X2 of the terminal box 12 in the vertical direction X.

  In this case, when either one of the power cables 20 and 20 connected to the terminal portions 12a and 12b of the both sides X1 and X2 of the terminal box 12 (the lower power cable 20 in the illustrated example) is folded back, One may be reversed 180 ° or approximately 180 ° (reverse or substantially reverse). Then, as described above, inconveniences such as the workability of the bending work of the power cable 20 and the deterioration of the finished state in appearance, or the deterioration of the reliability due to excessive bending of the power cable 20 are caused.

  Such inconvenience is particularly noticeable when a solar cell module is installed in a place such as a balcony in an apartment house or a detached house (see, for example, Patent Document 1), and the space where the power cable is installed is reduced accordingly. Become.

  Therefore, the present invention provides a power cable holding jig that can securely hold the power cable in a bent state even if the place where the power cable is installed is a narrow space, and a power provided with the jig. It aims at providing a cable member, a solar cell module, and a solar cell module attachment structure.

  In order to solve the above problems, the present invention is a power cable holding jig for holding a power cable electrically connected to a solar cell module, and is adjacent to a curved curved portion of the power cable. Provided is a power cable holding jig comprising a first holding member that holds the power cable in a bent state so as to maintain the interval between the portions.

  In the present invention, there can be exemplified an aspect further including a second holding member configured to maintain the shape of the curved portion.

  In the present invention, a pipe having two straight linear portions that are parallel or substantially parallel to each other and a curved curved portion having both ends connected to one end of each of the two linear portions is provided, and the power is included in the pipe. By inserting the cable, a mode in which the power cable is held in a state where the power cable is bent can be exemplified.

  In the present invention, it is provided with a plate-like plate-like portion and a plurality of protrusions that are provided on the plate-like portion and hold the curved power cable, and the plurality of protrusions are inside the outer shape of the power cable. A mode in which the power cable is held in a state in which the power cable is bent by locking at least the outside of the cable and the outside can be exemplified.

  In the present invention, it includes two linear pipe portions that are parallel or substantially parallel to each other and a connecting portion that connects the two pipe portions so as to maintain parallel or substantially parallel, and the power cable is connected to the two power cables. Inserting the power cable in a bent state by inserting the pipe part from one side of the pipe part to the other side and inserting the other pipe part from the other side to the one side. The aspect to hold | maintain can be illustrated.

  In the present invention, a ring member having a long ring shape is provided, and the power cable is held in a bent state by bending and inserting the power cable into the ring member. Can be illustrated.

  The present invention also provides a power cable member comprising the power cable holding jig according to the present invention and the power cable. The present invention also provides a solar cell module comprising the power cable member according to the present invention and electrically connected to the power cable member. In addition, the present invention includes the power cable member according to the present invention, a solar cell module electrically connected to the power cable member, and a support member that supports the solar cell module. A solar cell module mounting structure is also provided.

  According to the present invention, even if a place where the power cable is installed is a narrow space, the power cable can be securely held in a bent state. For example, the bending radius of the power cable is set to a predetermined value or more. The power cable can be bent while being held.

A power cable member provided with a power cable holding jig and a power cable according to an embodiment of the present invention, a plurality of solar cell modules electrically connected to the power cable, and a support for supporting the plurality of solar cell modules It is a schematic block diagram which shows the handrail which is an example of the solar cell module attachment structure provided with the flame | frame which acts as a member, (a) is the front view which looked at the handrail from the outer side, (b) is a handrail FIG. 5C is an enlarged view showing a portion of the curved cable portion of the power cable member. It is explanatory drawing for demonstrating the electric power cable holding jig of 1st Embodiment, Comprising: The electric power cable of a U-shaped connector part hold | maintains an electric power cable in the electric power cable part connected to the terminal box in the side surface of a solar cell module main body. It is a schematic front view which shows the state currently hold | maintained at the jig for use. It is a schematic perspective view which shows the jig | tool for electric power cable holding | maintenance of 1st Embodiment holding the electric power cable of a U-shaped connector part. It is explanatory drawing for demonstrating the power cable holding jig of 2nd Embodiment, Comprising: The power cable of a U-shaped connector part hold | maintains a power cable in the power cable part connected to the terminal box in the side surface of a solar cell module main body. It is a schematic front view which shows the state currently hold | maintained at the jig for use. It is a schematic perspective view which shows the power cable holding jig of 2nd Embodiment holding the power cable of the U-shaped connector part. It is explanatory drawing for demonstrating the power cable holding jig of 3rd Embodiment, Comprising: The power cable of a U-shaped connector part hold | maintains a power cable in the power cable part connected to the terminal box in the side surface of a solar cell module main body. It is a schematic front view which shows the state currently hold | maintained at the jig for use. It is a schematic perspective view which shows the power cable holding jig of 3rd Embodiment holding the power cable of the U-shaped connector part. It is explanatory drawing for demonstrating the power cable holding jig of 4th Embodiment, Comprising: The power cable of a U-shaped connector part hold | maintains a power cable in the power cable part connected to the terminal box in the side surface of a solar cell module main body. It is a schematic front view which shows the state currently hold | maintained at the jig for use. It is a schematic perspective view which shows the power cable holding jig of 4th Embodiment holding the power cable of the U-shaped connector part. It is a schematic plan view which shows the conventional connection state of the power cable with respect to the terminal box provided in the side surface of the solar cell module main body in a solar cell module.

  Embodiments according to the present invention will be described below with reference to the drawings.

  As a solar cell module mounting structure including the solar cell module according to the present invention, for example, a building material installed in a place where sunlight can be incident, more specifically, a window, Examples include building materials such as doors, balcony of apartment houses and detached houses, railings on verandas, and ship decks.

  In the following example, a solar cell module mounting structure will be described by taking a balcony or a veranda handrail of an apartment house or a detached house as an example.

  FIG. 1 shows a power cable member 200 including a power cable holding jig 100 and a power cable 20 according to an embodiment of the present invention, and a plurality of solar cell modules 10 to 10 electrically connected to the power cable 20. FIG. 2 is a schematic configuration diagram showing a handrail 300 that is an example of a solar cell module mounting structure including a frame 310 that acts as a support member that supports a plurality of solar cell modules 10 to 10. Fig.1 (a) has shown the front view which looked at the handrail 300 from the outer side. FIG.1 (b) has shown the rear view which looked at the handrail 300 from the inner side. Moreover, FIG.1 (c) has expanded and shown the part of the curved cable part 21 in the power cable member 200. FIG. 1 (b) and 1 (c), the power cable holding jig 100 includes the power cable holding jigs 110, 120, 130, and 140 of the first to fourth embodiments described later. Meaning, it is shown with a dotted line frame.

  A solar cell module 10 shown in FIG. 1 is provided on a balcony or a balcony railing 300 (an example of a solar cell module mounting structure) of an apartment house or a detached house. The solar cell module 10 includes a power cable member 200 and is configured to be electrically connected to the power cable member 200.

  The handrail 300 includes a power cable member 200, a plurality of solar cell modules 10 to 10, and a frame 310 that supports the plurality of solar cell modules 10 to 10 in an array.

  The solar cell module 10 has translucency that allows constant light to pass therethrough. Accordingly, when the handrail 300 is viewed from the outside to the inside, the articles (air conditioner outdoor units and planted trees in the illustrated example) installed on the balcony or veranda can be seen through (FIG. 1 (a). )reference). The frame 310 is configured to support the peripheral edge of the solar cell module 10. That is, the handrail 300 has a handrail / sash function that acts as a sash (window frame) in addition to the handrail function.

  And between the adjacent solar cell modules 10 and 10, the power cable 20 is electrically connected in series via the terminal box 12 (refer FIG.1 (b)).

  In the present embodiment, in the handrail 300, since the solar cell modules 10 and 10 are provided in an array, the space SP (see FIG. 1B) between the adjacent solar cell modules 10 and 10 is narrowed. Yes. The terminal box 12 is provided in the space SP.

  Specifically, the terminal box 12 is a terminal on both sides X1 and X2 in a direction (vertical direction X in the illustrated example) along the side surface 11a (see FIG. 1B) on which the terminal box 12 of the solar cell module body 11 is provided. The power cables 20 and 20 are connected to the parts 12a and 12b in opposite directions.

  Specifically, the terminal box 12 has a long and narrow shape along the vertical direction X, and the power cable 20 on one side X1 (upper side in the illustrated example) is connected to one side of the terminal box 12 in the vertical direction X. The power cable 20 connected to the terminal portion 12a on the side X1 and the other side X2 (lower side in the illustrated example) is connected to the terminal portion 12b on the other side X2 of the terminal box 12 in the vertical direction X. ing.

  In the present embodiment, the power cable 20 includes a curved cable portion 21 that is curved (in this case, curved so as to be reversed 180 ° or approximately 180 ° in reverse or substantially reverse), and one end of each end of the curved cable portion 21. Have straight cable portions 22 and 23 connected to each.

  The curved cable portion 21 and the straight cable portions 22 and 23 are connected to each other via a pair of connection connectors 221 and 222 (see FIG. 1C). The pair of connection connectors 221 and 222 includes first connector terminals 221a and 222a and second connector terminals 221b and 222b, respectively. In the pair of connection connectors 221, 222, the first connector terminals 221a, 222a are respectively connected to both ends of the curved cable portion 21 of the power cable 20, and the second connector terminals 221b, 222b are the straight cable portions 22 of the power cable 20. , 23 is connected to one end of each. In the present embodiment, the first connector terminals 221a and 222a and the curved cable portion 21 constitute a U-shaped connector portion 230 (see FIG. 1C).

  The power cable holding jig 100 (110 to 140, see FIGS. 2 to 9 described later) is one of the two power cables 20 and 20 connected to both terminal portions 12a and 12b of the terminal box 12. One of the two power cables 20, 20 (in the illustrated example, the lower power cable 20) is bent by bending (inverted 180 ° or approximately 180 ° in this case) one (in the illustrated example, the lower power cable 20). ) Is bent (folded here). In the present embodiment, the power cable portion 200 is configured by the U-shaped connector portion 230 and the power cable holding jig 100 (110 to 140).

  The power cable holding jig 100 (110 to 140) holds the power cable 20 in a bent state so as to maintain the interval between the portions adjacent to the curved portion of the power cable 20 that is curved. The holding member 101 (refer FIG.3, FIG.5, FIG.7 and FIG. 9) is provided. Here, the 1st holding member 101 is set as the structure which maintains the space | interval of the linear part (for example, the curved side edge part of the linear cable parts 22 and 23) adjacent to the curved-shaped part which the electric power cable 20 curved. Yes. Thereby, the linear portion can be held in a state where the power cable 20 is bent so as to be inverted by 180 ° or approximately 180 °.

  The first holding member 101 includes two cylindrical members (for example, the straight portions 111 and 112 of the pipe 110a shown in FIG. 3 and the pipe portions 131 and 132 shown in FIG. 7) provided with a first connecting member that connects them. It may be a thing. The first connecting member may be a cylindrical member (for example, the curved portion 113 of the pipe 110a shown in FIG. 3) through which the power cable 20 is inserted, or a plate-like or rod-like member (for example, the connecting portion shown in FIG. 7). 133).

  Further, the first holding member 101 is a projection member (for example, the protrusion shown in FIG. 5) that locks the outside of the outer shape of the linear portion of the power cable 20 to the plate member (for example, the plate-like portion 121a shown in FIG. 5). The portions 122b and 122c) may be provided.

  Further, the first holding member 101 may be a member provided with a pair of second connecting members that connect two curved members (for example, holding plates 141 and 142 of the ring member 140a shown in FIG. 9). Good. The pair of second connecting members may be plate-shaped (for example, connecting flat plates 143 and 144 of the ring member 140a shown in FIG. 9).

  In addition, the power cable holding jig 100 (110, 120, see FIGS. 2 to 5) is configured to maintain the shape of the curved portion of the power cable 20 (see FIG. 3). And FIG. 5).

  The second holding member 102 may be a curved and cylindrical member (for example, the curved portion 113 of the pipe 110a illustrated in FIG. 3) through which the power cable 20 is inserted, or a plate-shaped member (for example, the plate illustrated in FIG. 5). The protruding portion 121b) may be provided with protruding members (for example, protruding portions 122a, 122d, and 122e shown in FIG. 5) for locking the inside and outside of the outer shape of the curved portion of the power cable 20.

  Next, the power cable holding jigs 110 to 140 according to the first to fourth embodiments will be described below.

[First Embodiment]
2 and 3 are explanatory views for explaining the power cable holding jig 110 according to the first embodiment. FIG. 2 shows a state in which the power cable 20 of the U-shaped connector portion 230 is held by the power cable holding jig 110 in the power cable portion 200 connected to the terminal box 12 on the side surface 11a of the solar cell module body 11. It is a schematic front view. FIG. 3 is a schematic perspective view showing the power cable holding jig 110 of the first embodiment that holds the power cable 20 of the U-shaped connector portion 230. 2 and FIGS. 4, 6, and 8 described later, reference numeral 13 denotes a frame of the solar cell module body 11.

  The power cable holding jig 110 according to the first embodiment (see FIG. 3) includes two linear portions 111 and 112 that are parallel or substantially parallel to each other, and both ends 113a and 113b are one ends of the two linear portions 111 and 112. A pipe 110a (cylindrical member) having curved curved portions 113 respectively coupled to 111a and 112a is provided. Here, the power cable holding jig 110 is itself a pipe 110a.

  The power cable holding jig 110 is inverted by 180 ° or substantially 180 ° in this state when the power cable 20 is bent by inserting the power cable 20 (here, the curved cable portion 21) into the pipe 110a. The power cable 20 is held in a bent state.

  In the first embodiment, the pipe 110a is preferably formed of a material (hard material) having a bending stress larger than the bending stress of the power cable 20.

  In the first embodiment, in the power cable holding jig 110, one ends 111a and 112a of two straight portions 111 and 112 and both ends 113a and 113b of the bending portion 113 are integrally connected.

  Specifically, the power cable holding jig 110 that is a pipe 110a is bent so that a cylindrical pipe made of a material such as metal is turned 180 ° or approximately 180 °. It is a thing. The pipe 110a is not limited to a cylindrical shape, and may be any shape such as a rectangular tube as long as it is cylindrical.

  Specifically, the lengths L1 and L2 of the two straight portions 111 and 112 are the same or substantially the same. The distance L3 from the turn-back point 21a of the bending cable portion 21 (the center portion in the bending direction of the bending portion 113) to the one end portion 113a and the distance L4 to the other end portion 113b are the same or substantially the same distance. The two straight portions 111 and 112 and the curved portion 113 have the same inner diameters φ1, φ2, and φ3. The inner diameters φ1, φ2, and φ3 are larger than the outer diameter φa of the power cable 20 to such an extent that the power cable 20 can smoothly pass through the pipe 110a. When the first connector terminals 221a and 222a are dimensioned so as not to pass through the pipe 110a, the curved cable in a state where at least one of the first connector terminals 221a and 222a is not attached to the curved cable portion 21. After inserting the portion 21 into the pipe 110a, at least one of the first connector terminals 221a and 222a can be attached to the curved cable portion 21.

[Second Embodiment]
4 and 5 are explanatory diagrams for explaining the power cable holding jig 120 of the second embodiment. FIG. 4 shows a state where the power cable 20 of the U-shaped connector portion 230 is held by the power cable holding jig 120 in the power cable portion 200 connected to the terminal box 12 on the side surface 11 a of the solar cell module body 11. It is a schematic front view. FIG. 5 is a schematic perspective view showing the power cable holding jig 120 of the second embodiment that holds the power cable 20 of the U-shaped connector portion 230.

  A power cable holding jig 120 (see FIG. 5) according to the second embodiment includes a plate-like plate-shaped portion 121 and a curved power cable 20 (here, the curved cable portion 21) provided on the plate-shaped portion 121. A plurality of protrusions 122 to be held (here, five protrusions 122a, 122b, 122c, 122d, 122e) are provided. Here, the power cable holding jig 120 includes a plate-like portion 121 and a plurality of protrusions 122.

  The plurality of protrusions 122 are at least outside of the inside and outside of the outer shape of the power cable 20 (here, the curved cable portion 21) (here, the outside of the one end side 21b and the other end side 21c of the curved cable portion 21). The power cable 20 is held in a bent state (here, in a state where the power cable 20 is bent so as to be inverted by 180 ° or approximately 180 °).

  In the second embodiment, the plurality of protrusions 122 (122a to 122e) is one or more (here, one) first that locks the inside of the outer shape of the power cable 20 (here, the curved cable portion 21). The protrusion 122a and one or a plurality of (here, two) protrusions that lock the outside of the outer shape on one side W1 in the bending direction W around the turning point 21a of the power cable 20 (here, the curved cable portion 21). It consists of parts 122b, 122d and one or a plurality (two in this case) of protrusions 122c, 122e that lock the outside of the outer shape on the other side W2 in the bending direction W of the first protrusion 122a. In the power cable holding jig 120, a plate-like portion 121 and a plurality of protrusions 122 are integrally connected.

  Specifically, here, the plate-like portion 121 has a quadrangular shape, and a plurality of columnar protrusions 122 (122a to 122e) are erected on one surface. The protrusions 122 (122a to 122e) all have the same shape. The plate-like portion 121 is not limited to a quadrangular shape, and may be any shape such as a circular shape as long as it is plate-like, or a shape that matches the installation space. The protrusion 122 (122a to 122e) is not limited to a columnar shape, and may be any shape such as a prismatic shape. For example, in accordance with the outer peripheral shape of the power cable 20 at a portion in contact with the power cable 20 And a dent may be provided. In this case, the dent can effectively prevent the power cable 20 from coming off in the protruding direction of the protrusion 122.

  Specifically, the first projecting portion 122a that locks the inside of the outer shape of the curved cable portion 21 has a curved cable portion at a portion (second plate-shaped portion 121b) on the other side X2 in the vertical direction X of the plate-like portion 121. 21 is provided at the position of the turning point 21a. Of the second protrusions 122b to 122e that lock the outside of the outer shape of the curved cable part 21, the second protrusions 122b and 122c are portions on the one side X1 in the vertical direction X of the plate-like part 121 (first plate-like shape). In the portion 121a), the one end side 21b (straight portion) and the other end portion 21c (straight portion) of the curved cable portion 21 are respectively locked, while the second protrusions 122d and 122e are plate-like portions. 121 (second plate-like portion 121b) on the other side X2 in the vertical direction X between the one end portion side 21b and the other end portion side 21c of the curved cable portion 21 and the turning point 21a (curved portion). It is set as the structure which latches. The second protrusions 122b and 122c that respectively lock the one end 21b and the other end 21c of the curved cable portion 21 are provided so as to face each other. The second projecting portions 122d and 122e that respectively lock the bent cable portion 21 between the one end side 21b and the other end side 21c and the turning point 21a are provided so as to face each other. The protruding portion 122 (122b, 122d) on one side W1 of the turning point 21a and the protruding portion 122 (122c, 122e) on the other side W2 are along the linear direction (here, the vertical direction X) of the power cable passing through the turning point 21a. Are arranged symmetrically with respect to the virtual straight line α. The protrusions 122 (122a to 122e) are provided equally or substantially equally in the longitudinal direction of the curved cable portion 21. The plate-like portion 121 includes a portion (first plate-like portion 121 a) provided with projections 122 b and 122 c that lock the outside of the outer shape of the linear portion of the power cable 20, and a curved portion of the power cable 20. A portion (second plate-like portion 121b) provided with projections 122a, 122d, and 122e for locking the inside and outside of the outer shape is integrally connected. It should be noted that a plurality of second protrusions for locking the one end side 21b and the other end side 21c of the curved cable portion 21 may be provided. The first protrusion that locks the inside of the outer shape of the curved cable portion 21 may lock the one end side 21 b and / or the other end side 21 c of the curved cable portion 21. The first protrusion that locks the inside of the outer shape of the curved cable portion 21 may be locked near the turn-around point 21a of the curved cable portion 21 (near both sides). The second protrusion that locks the outside of the outer shape of the curved cable portion 21 may lock the position of the folding point 21 a of the curved cable portion 21 and / or the vicinity thereof. In the plate-like portion 121, the first plate-like portion 121a and the second plate-like portion 121b are integrally connected, but the first plate-like portion 121a and the second plate-like portion 121b may be divided. .

[Third Embodiment]
6 and 7 are explanatory views for explaining the power cable holding jig 130 of the third embodiment. FIG. 6 shows a state in which the power cable 20 of the U-shaped connector portion 230 is held by the power cable holding jig 130 in the power cable portion 200 connected to the terminal box 12 on the side surface 11a of the solar cell module body 11. It is a schematic front view. FIG. 7 is a schematic perspective view showing the power cable holding jig 130 of the third embodiment that holds the power cable 20 of the U-shaped connector portion 230.

  The power cable holding jig 130 (see FIG. 7) of the third embodiment includes two straight pipe portions 131 and 132 (cylindrical members) that are parallel or substantially parallel to each other and two pipe portions 131 and 132. And a connecting portion 133 that is connected to maintain parallel or substantially parallel. Here, the power cable holding jig 130 includes two pipe portions 131 and 132 and a connecting portion 133.

  The power cable holding jig 130 inserts the power cable 20 from one side 131a of the two pipe parts 131 to the other side 131b of the two pipe parts 131 and 132, and the other of the other pipe parts 132. By inserting the power cable 20 from the side 132b to the one side 132a, the power cable 20 is held in a bent state (in the state where the power cable 20 is bent 180 degrees or approximately 180 degrees in this case). Yes.

  In the third embodiment, the power cable holding jig 130 has two pipe portions 131 and 132 connected to the connecting portion 133 in a state of being orthogonal or substantially orthogonal. The power cable holding jig 130 has both ends in the longitudinal direction (horizontal direction Y in the illustrated example) of the central portions 131c and 132c and the connecting part 133 in the longitudinal direction (vertical direction X in the illustrated example) of the two pipe portions 131 and 132. 133a and 133b are integrally connected.

  Specifically, the power cable holding jig 130 has an H-shape when viewed from the front. Here, the pipe portions 131 and 132 are cylindrical. The pipe portions 131 and 132 are not limited to a cylindrical shape, and may have any shape such as a rectangular tube shape as long as it is a cylindrical shape. Here, the connecting portion 133 is plate-shaped. The connecting portion 133 is not limited to a plate shape, and may be any shape such as a rod as long as it is a member that can connect the two pipe portions 131 and 132, and a shape that matches the installation space. Also good.

  Specifically, the two pipe portions 131 and 132 are configured to be inserted through the one end side 21b (straight portion) and the other end portion 21c (straight portion) of the curved cable portion 21, respectively. . The lengths L5 and L6 of the two pipe portions 131 and 132 are the same or substantially the same. The two pipe portions 131 and 132 have the same or substantially the same inner diameters φ4 and φ5. The inner diameters φ4 and φ5 are larger than the outer diameter φa of the power cable 20 to such an extent that the power cable 20 can be smoothly inserted into the pipe portions 131 and 132. When the first connector terminals 221a and 221b are dimensioned so as not to pass through the pipe portions 131 and 132, at least one of the first connector terminals 221a and 221b is not attached to the curved cable portion 21. After the curved cable portion 21 is inserted into the pipe portions 131 and 132, at least one of the first connector terminals 221a and 221b can be attached to the curved cable portion 21.

  In the first embodiment described above, the two straight portions 111 and 112 in the power cable holding jig 110 may be connected using the connecting portion 133 as used in the third embodiment. Further, in the third embodiment, the power cable 20 (here, the curved cable portion 21) is bent to the bending portion 113 by using the bending portion 113 in the power cable holding jig 110 as used in the first embodiment. You may make it hold | maintain the curved part of the power cable 20 by inserting a part.

[Fourth Embodiment]
FIG. 8 and FIG. 9 are explanatory views for explaining the power cable holding jig 140 of the fourth embodiment. FIG. 8 shows a state where the power cable 20 of the U-shaped connector portion 230 is held by the power cable holding jig 140 in the power cable portion 200 connected to the terminal box 12 on the side surface 11 a of the solar cell module body 11. It is a schematic front view. FIG. 9 is a schematic perspective view showing the power cable holding jig 140 of the fourth embodiment holding the U-shaped connector portion 230.

  The power cable holding jig 140 (see FIG. 9) of the fourth embodiment includes a ring member 140a having a long ring shape. Here, the power cable holding jig 140 is itself a ring member 140a.

  The power cable holding jig 140 is inserted into the ring member 140a by bending the power cable 20 (here, the curved cable portion 21), so that the power cable 20 is bent (here, 180 ° or approximately). The power cable 20 is configured to be held (in a state of being bent so as to be turned 180 °).

  In the fourth embodiment, the power cable holding jig 140 holds one end side 21b (straight portion) and the other end side 21c (straight portion) of the curved cable portion 21 on the inner peripheral surface. Two semi-cylindrical holding plates 141 and 142, and two connecting flat plates 143 and 144 for connecting the two holding plates 141 and 142, respectively. In the power cable holding jig 140, one end 141a of one holding plate 141 in the circumferential direction Y and one end 143a of one connecting flat plate 143 in the circumferential direction Y are integrally connected, and one holding plate 141 The other end 141b in the circumferential direction Y and the one end 144a in the circumferential direction Y of the other connecting flat plate 144 are integrally connected. Further, in the power cable holding jig 140, one end 142a in the circumferential direction Y of the other holding plate 142 and the other end 143b in the circumferential direction Y of the one connecting flat plate 143 are integrally connected, and the other holding plate is held. The other end 142b in the circumferential direction Y of the plate 142 and the other end 144b in the circumferential direction Y of the other connecting flat plate 144 are integrally connected.

  Specifically, the ring member 140a is elliptical when viewed from the insertion direction of the power cable 20, and is an endless ring member here. Here, the holding plates 141 and 142 are semi-cylindrical curved plates. The holding plates 141 and 142 are not limited to a semi-cylindrical shape, and may be any shape such as a semi-cylindrical cylinder as long as it is a semi-cylindrical shape. The two connecting flat plates 143 and 144 have a quadrangular shape when viewed from the front. The connecting flat plates 143 and 144 are not limited to a quadrangular shape, and any other shape can be used as long as the two semi-cylindrical holding plates 141 and 142 can be connected. It may be a different shape.

  Specifically, the two holding plates 141 and 142 are configured to hold one end side 21b (linear portion) and the other end side 21c (linear portion) of the curved cable portion 21. The lengths L7 and L8 of the two holding plates 141 and 142 are the same or substantially the same. The two connecting flat plates 143 and 144 have the same or substantially the same shape, and the widths L9 and L10 have the same or substantially the same width. The lengths L7 and L8 of the two holding plates 141 and 142 and the widths L9 and L10 of the two connecting flat plates 143 and 144 are the same. The two holding plates 141 and 142 have the same or substantially the same radius of curvature r1 and r2 of the inner curved surface. The curvature radii r1 and r2 of the inner curved surface are equal to the outer radius r3 of the power cable 20, or larger than the outer radius r3 so that the power cable 20 is securely held inside the holding plates 141 and 142. ing.

  In the fourth embodiment, the curved portion of the power cable 20 (here, the curved cable portion 21) is attached to the curved portion 113 using the curved portion 113 of the power cable holding jig 110 as used in the first embodiment. You may make it hold | maintain the curved part of the power cable 20 by inserting.

[About this embodiment]
As described above, according to the present embodiment, the first holding member that holds the power cable 20 in a bent state so as to maintain the interval between the adjacent portions of the curved portion of the power cable 20. 101, the power cable 20 can be securely held in a bent state even if the place where the power cable 20 is installed is a narrow space. For example, the bending radius of the power cable 20 is predetermined. It becomes possible to bend the power cable 20 in a state in which the value is maintained above the value. Further, by further including a second holding member 102 configured to maintain the shape of the curved portion of the power cable 20 that is curved, the distance between the linear portions can be reliably maintained, It becomes possible to hold the curved portion of the power cable 20 stably and reliably.

  Specifically, in the power cable holding jig 110 of the first embodiment, two linear portions 111 and 112 that are parallel or substantially parallel to each other and both ends 113a and 113b are one end 111a and two linear portions 111 and 112, respectively. By inserting the power cable 20 into the pipe 110a having the curved curved portions 113 respectively connected to the 112a, the power cable 20 is bent (in this case, 180 ° or approximately 180 ° is inverted). By holding the power cable 20 in a bent state, and in the power cable holding jig 120 of the second embodiment, a plurality of protrusions provided on the plate-like portion 121 to hold the curved power cable 20 The portion 122 (122a to 122e) is at least one of the inside and outside of the outer shape of the power cable 20 (here, the curved cable portion 21). By locking the outside, the power cable 20 is held in a bent state (here, bent so as to be turned 180 ° or substantially 180 °), and the third In the power cable holding jig 130 of the embodiment, one of the two straight pipe portions 131 and 132 connected to the power cable 20 so as to be parallel or substantially parallel by the connecting portion 133. The power cable 20 is bent (by 180 ° or approximately here) by being inserted from the one side 131a of the 131 to the other side 131b and from the other side 132b of the other pipe portion 132 to the one side 132a. By holding the power cable 20 (in a state of being bent so as to be inverted by 180 °), the power cable holding jig 140 of the fourth embodiment is also provided. In the ring member 140a, the power cable 20 is bent and inserted into the ring member 140a so that the power cable 20 is bent (here, bent to be 180 ° or substantially 180 °). By holding the power cable 20, the power cable 20 is securely held in a bent state (here, 180 ° or approximately 180 ° inverted) even if the place where the power cable 20 is installed is a narrow space. Is possible.

  Thereby, for example, the workability of the bending work of the power cable 20 can be facilitated, and the bending shape of the power cable 20 (specifically, an arc shape having a constant or substantially constant curvature radius). ) Can be maintained, the finished state of the appearance can be improved, and the power cable 20 can be effectively prevented from being bent excessively, for example, avoiding a decrease in reliability such as poor conduction. Is possible. These are the cases where the space SP of the place where the power cable 20 is installed becomes narrower by installing the solar cell module 10 in a place such as a balcony in an apartment house or a detached house as in the present embodiment. It is particularly effective.

  Moreover, in the power cable holding jig 110 of the first embodiment, by using the pipe 110a, the curved portion of the power cable 20 can be reliably held while having a simple and inexpensive configuration. It becomes possible to maintain the shape of the 20 curved portions in the shape of the pipe 110a. Further, when the pipe 110a is formed of a material (hard material) having a bending stress larger than that of the power cable 20, or even if the pipe 110a has a bending stress equal to or lower than the bending stress of the power cable 20 (flexible material). ), When the two straight portions 111 and 112 are connected by the connecting portion 133 (see FIG. 7), the distance between the two straight portions 111 and 112 can be reliably maintained. It becomes possible to hold the curved portion of the power cable 20 stably and reliably.

  Further, in the power cable holding jig 120 of the second embodiment, by using the plate-like portion 121 (121a) and the plurality of protruding portions 122 (122b, 122c), the bending of the power cable 20 while having an inexpensive configuration. It is possible to stably and surely hold the part. Further, by using the plate-like portion 121 (121b) and the plurality of protrusions 122 (122a, 122d, 122e), the shape of the curved portion of the power cable 20 can be changed to that of the plurality of protrusions 122 (122a, 122d, 122e). It becomes possible to maintain the shape of the arrangement position.

  Further, in the power cable holding jig 130 of the third embodiment, by using the two pipe portions 131 and 132 and the connecting portion 133, the curved portion of the power cable 20 can be stably and inexpensively configured. It can be held securely. When the curved portion of the power cable 20 is held by inserting the curved portion of the power cable 20 into the curved portion 113 using the curved portion 113 (see FIG. 3), the curved portion of the power cable 20 This shape can be maintained in the shape of the curved portion 113.

  Further, in the power cable holding jig 140 of the fourth embodiment, by using the ring member 140a, the curved portion of the power cable 20 can be stably and reliably held with a simple and inexpensive configuration. it can. When the curved portion of the power cable 20 is held by inserting the curved portion of the power cable 20 into the curved portion 113 using the curved portion 113 (see FIG. 3), the curved portion of the power cable 20 This shape can be maintained in the shape of the curved portion 113.

  In the present embodiment, as the solar cell module 10, the solar cell module body 11 provided with the terminal box 12 on the side surface 11 a is used, but the solar cell module body 11 is provided with the terminal box 12 on the back surface. May be used.

  The present invention is not limited to the embodiment described above, and can be implemented in various other forms. Therefore, such an embodiment is merely an example in all respects and should not be interpreted in a limited manner. The scope of the present invention is shown by the scope of claims, and is not restricted by the text of the specification. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.

DESCRIPTION OF SYMBOLS 10 Solar cell module 11 Solar cell module main body 11a Side surface 12 Terminal box 13 Frame 20 Power cable 21 Curved cable part 22 Straight cable part 23 Straight cable part 100 Electric power cable holding jig 101 First holding member 102 Second holding member 110 Power cable holding jig 110a Pipe 111 Straight portion 112 Straight portion 113 Curved portion 120 Power cable holding jig 121 Plate-like portion 122 Projection portion 122a Projection portion 122b Projection portion 122c Projection portion 122d Projection portion 122e Projection portion 130 Power cable retention Jig 131 Pipe part 131a One side 131b The other side 132 Pipe part 132a One side 132b The other side 133 Connecting part 140 Power cable holding jig 140a Ring member 200 Power cable member 230 U-shaped connector part 300 Handrail An example of a solar cell module installation structure)
310 frame (an example of a support member)
W Bending direction W1 One side W2 The other side X Vertical direction X1 One side X2 The other side Y Circumferential direction

Claims (9)

A power cable holding jig for holding a power cable electrically connected to a solar cell module,
A power cable holding jig, comprising: a first holding member that holds the power cable in a bent state so as to maintain an interval between adjacent curved portions of the power cable. Ingredients. The power cable holding jig according to claim 1,
A power cable holding jig, further comprising a second holding member configured to maintain the shape of the curved portion. The power cable holding jig according to claim 2,
A pipe having two straight linear portions that are parallel or substantially parallel to each other and a curved curved portion having both ends connected to one end of each of the two linear portions;
A power cable holding jig, wherein the power cable is held in a state where the power cable is bent by inserting the power cable into the pipe. The power cable holding jig according to claim 1 or 2,
A plate-like plate-like portion, and a plurality of protrusions that are provided on the plate-like portion and hold the curved power cable,
The plurality of protrusions hold the power cable in a bent state by locking at least the outside of the outside and inside of the outer shape of the power cable. Holding jig. The power cable holding jig according to claim 1 or 2,
Two linear pipe parts that are parallel or substantially parallel to each other, and a connecting part that connects the two pipe parts so as to maintain parallel or substantially parallel,
The power cable is bent by inserting the power cable from one side of one of the two pipe parts to the other side and from the other side of the other pipe part to the one side. A power cable holding jig, wherein the power cable is held in a pressed state. The power cable holding jig according to claim 1 or 2,
Equipped with a long ring-shaped ring member,
A power cable holding jig, wherein the power cable is held in a state where the power cable is bent by inserting the power cable into the ring member by bending the power cable.   A power cable member comprising: the power cable holding jig according to any one of claims 1 to 6; and the power cable.   A solar cell module comprising the power cable member according to claim 7 and electrically connected to the power cable member.   A solar cell module comprising: the power cable member according to claim 7; a solar cell module electrically connected to the power cable member; and a support member that supports the solar cell module. Mounting structure.

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