JP6137551B2 - Wiring storage box for solar panel - Google Patents

Description

  The present invention relates to a wiring storage box for a solar cell panel.

  A photovoltaic power generation system is a system that directly converts solar light energy into electrical energy, and is usually a junction box that combines a solar cell panel, its installation base, and the DC power generated by the solar cell panel. And a power conditioner that converts the DC power combined in this junction box into AC power, a distribution board that sends the AC power converted by this power conditioner to each electrical product, and the purchased power It consists of a watt-hour meter (electricity meter, electricity meter) to measure.

  Each device that constitutes the photovoltaic power generation system is connected by wiring (cable), and exchanges power through this wiring. Especially, it is installed in the building with the solar panel installed on the roof surface. When connecting to the equipment to be used, the so-called external wiring system is adopted, in which the wiring is routed on the roof surface and the eaves or the wife side keraba is bypassed and introduced into the building through the through opening provided in the outer wall. Is normal.

  By the way, in such a conventional wiring system, there is a concern that the flow of rainwater on the roof surface is hindered by the wiring, and the aesthetics or design of the roof is impaired because the wiring is left exposed. It's also happening.

  As a prior art regarding this point, for example, Patent Document 1 discloses a mounting structure in which a roofed wing with a space along the purlin is externally installed on the top of a building, and wiring from a solar cell module is introduced into the wing. Has been proposed. Further, Patent Document 2 has a top portion formed of a pair of inclined portions, and a side portion bent downward is provided at the tip of each inclined portion, and one side with the top portion as a boundary is inclined. A ridge wrap joint with a hole for cable insertion is formed on the side of the side formed on the side of the heel to form a cable wiring space between the ridge and the ridge wrap. Further, in Patent Document 3, a wiring lead-in component capable of supporting wiring is provided in the roof top ventilation cover, and the wiring of the solar panel arranged on the roof surface is routed from the under cover ventilation gap to the roof top ventilation. A multifunctional top structure has been proposed in which the wiring is drawn into the cover and supported by wiring drawing parts, and this wiring is drawn indoors from the top gap.

JP-A-8-93159 Japanese Patent Laid-Open No. 11-81542 JP 2014-5707 A

  However, the techniques proposed in the above documents 1 to 3 include the work of connecting the wiring of the solar cell panel (solar cell module) to the connector in addition to the operation of attaching the ventilation cover or the like corresponding to the building wrapping or the building wrapping. Complicated work etc. which support to a support component are needed separately, and it was difficult to perform efficient construction.

  An object of the present invention is to propose a wiring storage box for a solar cell panel, which can store the wiring connecting the solar cell panel and the equipment in the building under efficient construction to ensure the beauty and design of the roof. By the way.

  The present invention relates to a wiring storage box for a solar cell panel that covers a portion of the solar cell panel wiring that is introduced indoors through a through-opening formed in a top plate portion of a roof wrapping. A base that is disposed and fixed on the outer surface of the wrapping with the opening positioned inside, and a cover body that covers the base and forms a storage space for the through-opening and the wiring. A pair of plate members that sandwich the through opening and the wiring along the longitudinal direction of the ridge wrap and extend toward the width end of the ridge wrap, and the plate members are connected to each other at their ends, And a pair of legs that can come into contact with the width end side wall of the ridge wrap and the flange portion connected to the width end side wall, and the cover body includes a top plate positioned above the through opening, Connected to the edge of the top plate A pair of hanging peripheral walls whose lower ends can be brought into contact with the upper surface of the plate-like member, and a pair of side circumferential walls which are integrally connected to the edge of the top plate and the end of the hanging peripheral wall and surround the legs. The solar cell panel wiring storage is characterized in that each of the pair of plate-like members is provided with a draining wall portion that rises inside the hanging peripheral wall of the cover body and prevents rainwater from entering the through opening. Is a box.

In the wiring storage box of the solar cell panel having the above configuration,
1) The base is composed of a combination structure in which the plate-like member and the draining wall portion can be separated into at least two along the width direction of the ridge wrap,
2) The base has a roof surface cover that can be linked to the end surface of the draining wall portion and the outer peripheral wall of the leg portion, and covers the wiring between the solar cell panel and the base.
3) The roof surface cover is integrally connected to the top plate located above the wiring from the solar cell panel to the wrapping, and the width end portion of the top plate, and is opened downward to the inside thereof. A pair of side walls that can be linked to the end face of the draining wall and the outer peripheral wall of the leg, and a pair of walls. Providing a notch recess for guiding the wiring to the storage space by passing between the parts,
However, it is preferable as a specific means for solving the problem.

  According to the wiring storage box for the solar cell panel of the present invention, the storage box is disposed and fixed on the outer surface of the wing with the through opening positioned on the inside, and the base is covered and covered with the base. The main body includes two main members each having an opening and a cover body that forms a storage space for the wiring. Of these, the base opening sandwiches the through-opening and the wiring along the longitudinal direction of the ridge wrap. A pair of plate-like members extending toward the width end of the wall, and the plate-like members are connected to each other at their ends, and contacted with the width-end side wall of the ridge wrap and the flange portion connected to the width-end side wall. A pair of contactable leg portions is provided, and the cover body is integrally connected to a shielding wall portion located above the through-opening and an edge portion of the shielding wall portion, and a lower end thereof is an upper surface of the plate-like member. A pair of hanging peripheral walls capable of abutting against the shielding wall and the shielding wall And a pair of side walls surrounding the leg, and each of the pair of plate-like members rises inside the hanging peripheral wall of the cover body and passes through the pair of side peripheral walls. Since a draining wall is provided to prevent rainwater from entering the opening, the wiring of the solar cell panel is introduced into the building through the top of the base leg and through the opening, and the cover is simply covered with the base. The part can be easily obscured.

  In particular, the plate-like member located on the top plate portion of the ridge wrap is provided with a draining wall portion that rises inside the cover body, so that rain water can be reliably prevented from entering the storage box. Furthermore, the wiring storage box of the present invention also has a function of preventing deterioration of the water-stopping material disposed inside the wiring storage box against ultraviolet rays, thereby delaying the aging of the water-stopping material. As a result, the waterproof performance can be maintained for a long time.

  In addition, according to the wiring storage box of the solar cell panel of the present invention, the plate-like member and the draining wall portion constituting the base are configured into a combination structure that can be separated into at least two along the width direction of the wrapping, Even when performing construction on roofs with different width dimensions of the building wrap (applicable to existing roofs, etc.), the width dimensions of the base, that is, the distance between the legs must be changed easily Can do. In addition, it is not necessary to prepare a plurality of bases having different dimensions in order to correspond to the construction on the roof having the ridge wrap having different sizes.

  Further, according to the wiring storage box for the solar cell panel of the present invention, the wiring between the end surface of the draining wall portion of the base and the outer peripheral wall of the leg portion, and between the solar cell panel and the base is possible. Since the roof cover that covers the roof is provided, the wiring is not exposed to the outside, and the appearance and design of the roof can be prevented from being damaged.

  Moreover, according to the wiring storage box of the solar cell panel of the present invention, the roof surface cover has a top plate positioned above the wiring between the solar cell panel and the wrapping, and a width end portion of the top plate. And a side wall that defines a recess opened downward on the inside of the top plate, at one end of the top plate, on the end surface of the draining wall portion and on the outer peripheral wall of the leg portion Since a pair of wall portions that can be linked together and a notch recess that guides the wiring to the storage space through the pair of wall portions are provided, the structure can be simplified.

It is the figure which showed typically embodiment of the wiring storage box of the solar cell panel according to this invention. It is explanatory drawing of the attachment point of the wiring storage box shown in FIG. It is the figure which showed the attachment completion state of the wiring storage box shown in FIG. It is the figure which showed the arrangement | positioning state of a water stop material. It is the figure which showed the plane of the base of the wiring storage box shown in FIG. 1 with the water stop material. It is the figure which showed the cross section of the box of the wiring nucleus shown in FIG. It is the figure which showed the other example of the wiring storage box of the solar cell panel according to this invention. It is an external appearance perspective view of a roof surface cover. (A) (b) is explanatory drawing of the assembly point of the wiring storage box according to this invention. (A) (b) is explanatory drawing of the assembly point of the wiring storage box according to this invention. (A) (b) is explanatory drawing of the assembly point of the wiring storage box according to this invention. It is the figure which expanded and showed the principal part of the wiring storage box according to this invention. It is the figure which showed the positional relationship of the wiring storage box and solar cell panel according to this invention about the whole.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a diagram schematically showing an embodiment of a wiring storage box for a solar cell panel according to the present invention. FIG. 2 shows a case where a through opening is formed in a wrapping of an existing roof and wiring is stored in that portion. It is the figure which showed the state which introduced the wiring of the solar cell panel in the building through this penetration opening after arrange | positioning a box.

  Reference numeral 1 in FIGS. 1 and 2 is a base that is installed and fixed on the outer surface of the ridge wrap m in a state in which the through opening h formed in the top plate portion of the ridge wrap m of the roof is positioned on the inside. Reference numeral 2 denotes a cover body that covers the base 1 and forms a through opening h and a storage space for wiring of the solar cell panel. The base 1 and the cover body 2 are made of a stainless steel plate having a thickness of about 0.35 to 1.2 mm, a hot dip galvanized steel plate, or a steel plate coated with a fluororesin.

  The base 1 includes a pair of plate-like members 1a and 1b that sandwich the through opening h and the wiring S along the longitudinal direction of the ridge wrap m and extend toward the width end of the ridge wrap m, and the plate member 1a. 1b is connected to each other at its end, and is composed of a pair of legs 1c and 1d that can contact the width end side wall m1 of the ridge wrap m and the flange part m2 connected to the width end side wall m1. Has been. Here, the ridge wrap m is shown as an example in which the central portion in the width direction has the highest mountain shape, and the plate-like members 1a and 1b of the base 1 are formed with a gap therebetween. The cross-sectional shape is the same as the cross-sectional shape of the ridge wrap m so that there is no such thing.

  The base 1 is bent outwardly at the lower ends of the leg portions 1c and 1d to form a flange portion. The flange portion is placed on the flange portion m2 of the wrapping m and is inserted through a screw or a drill screw. Can be fixed. When the base 1 is fixed, it is preferable to caulk the inner sides of the plate-like members 1a and 1b, thereby reliably preventing rainwater from entering.

  Further, the cover body 2 is connected to the top plate 2a located above the through opening h and the edge of the top plate 2a so as to be integrally connected to the upper surfaces of the plate-like members 1a and 1b. , And a pair of side peripheral walls 2d and 2e that are integrally connected to the edge of the top plate 2a and the ends of the hanging peripheral walls 2b and 2c and surround the legs 1c and 1d, respectively. ing.

  The cover body 2 is bent outwardly at the lower ends of the side peripheral walls 2d and 2e to form a flange portion, and the flange portion is fixed to the roof plate material through fastening means such as screws. Both the base 1 and the cover body 2 can be formed by pressing or punching a single plate material.

  Reference numerals 3 and 4 denote draining wall portions provided on the plate-like members 1 a and 1 b of the base 1. The draining wall portions 3 and 4 are configured by a belt-like body that rises on the inner side of the hanging peripheral walls 2b and 2c of the cover body 2 and extends over the entire length of the plate-like members 1a and 1b (see FIG. 6). The rainwater that has passed between the plate-like members 1a and 1b and the suspended peripheral walls 2b and 2c of the cover body 2 has a function of preventing the rainwater from entering the through opening h.

  When the wiring S of the solar cell panel is introduced from the roof wrapping m into the building, the part is stored in the wiring storage box, as shown in FIG. h is provided, and the base 1 is arranged and fixed on the outer upper surface of the wing wrap m so that the through opening h is located between the plate-like members 1a and 1b. Next, the wiring S of the solar cell panel is introduced into the building through one of the leg portions 1c and 1d of the base 1 (the side where the solar cell panel is disposed) and through the through opening h. When the introduction into the building is finished, as shown in FIG. 3, the base 1 may be covered with the cover body 2 and fixed to the roof plate. In addition, in order to provide the through-opening S in the existing ridge wrap of the roof, a hole is made in the ridge wrap using a drill, etc. After being carefully struck inward, it can be folded inward with the tsuka.

  The wiring storage box of the present invention penetrates through simple operations such as the arrangement and fixing of the base 1 to the wrapping m, the introduction of the wiring S from the through opening h, and the attachment of the cover body 2 to the base 1. The opening h and the wiring S can be stored, and efficient construction can be performed.

  When attaching the cover body 2, as shown in FIG. 4, the outer surface of the wrapping m, especially around the through opening h and the wiring S, the inside of the draining wall portions 3 and 4, and the wiring S do not pass. A U-shaped or U-shaped water-stopping material (for example, foamed polyethylene, EPD foam, etc.) 5 and 6 set to a thickness that can secure a predetermined push allowance on the width end side of the ridge wrap m It is preferable to dispose, so that waterproofness can be further enhanced.

  In addition, when the roof material has a corrugated shape in which peaks and valleys are alternately arranged, and a gap is formed between the ridge wrap m and the roof plate material, The material (stop surface door) 7 can also be arranged.

  In order to ensure that the water-stopping materials 5, 6, 7 are exhibited, a caulking material 8 is provided at the contact portion with the ridge wrap m and the base 1 as shown in FIGS. 5 and 6. It is preferable to keep it.

  FIG. 7 is a diagram showing another example of a storage box according to the present invention. The base 1 is a combined structure in which the plate-like members 1a and 1b and the draining wall portions 3 and 4 are separated into two along the width direction of the ridge wrap m.

  By making the base 1 a combination structure, even if there is a difference in the width dimensions of the building wrapping such as existing roofs, the mutual distance between the leg portions 1c and 1d can be appropriately changed to easily correspond to the dimensions. There is an advantage that it is not necessary to prepare a plurality of bases 1 having various sizes.

  The base 1 is formed by superimposing the tip portions 1a1 and 1b1 of the plate-like members 1a and 1b and the tip portions 3a and 4a of the draining wall portions 3 and 4 on each other, or a sheath portion at one tip portion. And may be inserted into the other end of the sheath to achieve integration, and this point is not limited.

  In the illustrated example, a combination of the base 1 that can be separated into two is shown as an example. However, the base 1 may be separated into two or more.

  FIG. 8 shows a roof surface cover 9 that is linked to one end of the base 1 (the end surfaces of the draining wall portions 3 and 4 and the leg portion 1c or 1d) and covers the wiring S from the solar cell panel to the base 1. FIG.

  The roof surface cover 9 is integrally connected to the top plate 9a located above the wiring S between the solar cell panel and the wrapping m, and the width end portion of the top plate 9a, and is directed downward to the inside thereof. It is comprised with the side wall 9b and 9c which divides and forms the open recessed part, The outer peripheral wall of the end surface of the draining wall parts 3 and 4 and the leg part 1c or 1d is comprised at one end of this top plate 9a A pair of wall portions 9d and 9e that can be linked to each other, and a notch recess 9f that passes between the pair of wall portions 9d and 9e and guides the wiring S to the storage section of the storage box are formed. . Such a roof surface cover 9 is suitably fixed to the ridge wrap m and the roof plate material via screws or drill screws.

  In order to install the roof surface cover 9, the base 1 of the storage box is installed and fixed on the outer surface of the wrapping m, and then the side wall 9b of the roof surface cover 9 as shown in FIGS. 9 (a) and 9 (b). The water-stopping material 10 to be brought into contact with the inner surface of 9c is laid along the eaves from the ridge, and the water-stopping material 7 is disposed immediately below the legs 1c and 1d of the base 1. Then, after the wiring S is introduced into the building through the through opening h, the walls 9d and 9e are connected to the end surfaces of the draining walls 3 and 4 and the outer peripheral wall of the legs 1c or 1d as shown in FIGS. What is necessary is just to arrange | position along the water stop material 10, making it link.

  In the wiring storage box provided with the roof surface cover 9, the cover body 2 is put on the base 1 after the roof surface cover 9 is installed as shown in FIGS. 11 (a) and 11 (b). 2, the side on which the roof surface cover 9 is disposed is preferably placed on the roof surface cover 9 so that the wall portions 9d and 9e and the notch recess 9f of the roof surface cover 9 are And it will be located inside the cover body 2, and it can prevent intrusion into rain water.

  In the case where a part of the cover body 2 is arranged so as to overlap the roof surface cover 9, the side peripheral walls 2d, 2e are formed so that no gap is formed between the lower ends of the hanging peripheral walls 2b, 2c and the plate members 1a, 1b. It is important to adjust the height appropriately.

  Further, as shown in FIG. 12, a caulking material is provided between the lower end of the cover body 2 and the plate-like members 1a and 1b, between the side peripheral walls 2d and 2e, and the wide-end side wall m1 and the flange portion m2 of the wrapping m. 11 is preferably provided. Further, as shown in FIGS. 11A and 12, the lower ends of the side peripheral walls 2d and 2e of the cover body 2 come into contact with the outer surfaces of the side walls 9b and 9c of the roof surface cover 9, and the roof body 2 A hanging tongue piece 2f for positioning with respect to the surface cover 9 can be provided, and the hanging tongue piece 2f makes it possible to install the cover body 2 easily and accurately.

  FIG. 13 shows a case where the solar cell panel wiring storage box according to the present invention is applied to store the through opening h and the wiring S therein, and the entire wiring S from the solar cell panel PV to the wiring storage box is covered. FIG. 5 is a diagram showing a state covered with a surface cover 9.

  According to the wiring storage box according to the present invention, since the wiring S of the solar battery panel PV is not exposed to the outside, the aesthetic appearance or design of the roof is not impaired, and the construction for that purpose is completed in a short time. It is possible.

  ADVANTAGE OF THE INVENTION According to this invention, the storage box which can store the wiring which connects a solar cell panel and the apparatus in a building under efficient construction, and does not impair the aesthetics and design of a roof can be provided. .

DESCRIPTION OF SYMBOLS 1 Base 1a, 1b Plate-shaped member 1c, 1d Leg part 2 Cover body 2a Top plate 2b, 2c Hanging peripheral wall 2d, 2e Side surface peripheral wall 2f Hanging tongue piece 3, 4 Draining wall part 3a, 4a Tip part 5, 6, 7 Stop Water material 8 Caulking material 9 Roof surface cover 9a Top plate 9b, 9c Side wall 9d, 9e Wall portion 9f Notch recess 10 Water stop material 11 Caulking material m Wrapping m1 Wide end side wall m2 Flange h Through opening S Wiring PV Sun Battery panel

Claims (4)

A solar cell panel wiring storage box that covers a portion of the solar cell panel wiring that is introduced into the building through a through-opening formed in the top plate portion of the roof wrapping,
A base that is positioned and fixed on the outer surface of the wrapping with the through opening positioned inside, and a cover body that covers the base and forms a storage space for the through opening and the wiring;
The base includes a pair of plate-like members that sandwich the through-opening and the wiring along the longitudinal direction of the ridge wrap and extend toward the width end of the ridge wrap; And a pair of legs that can contact the width end side wall of the ridge wrap and the flange portion connected to the width end side wall,
The cover body includes a top plate positioned above the through-opening, a pair of suspended peripheral walls integrally connected to an edge of the top plate, and a lower end of which can contact the upper surface of the plate-like member, and the top A pair of side peripheral walls integrally connecting each of the edge of the plate and the end of the hanging peripheral wall and surrounding the leg,
A wiring storage box for a solar cell panel, wherein each of the pair of plate-like members is provided with a draining wall portion that rises inside a hanging peripheral wall of the cover body and prevents rainwater from entering the through opening.   2. The solar cell panel according to claim 1, wherein the base is composed of a combination structure in which the plate-like member and the draining wall portion are separable into at least two along the width direction of the wrapping. Wiring storage box.   The base has a roof surface cover that can be linked to an end surface of the draining wall portion and an outer peripheral wall of the leg portion and covers a wiring from the solar cell panel to the base. A wiring storage box for a solar cell panel according to claim 1 or 2. The roof surface cover is integrally connected to the top plate located above the wiring between the solar cell panel and the wrapping, and the concave portion that is integrally connected to the width end portion of the top plate and opened downward on the inside thereof. And side walls that form a partition,
At one end of the top plate, a pair of wall portions that can be linked to the end face of the draining wall portion and the outer peripheral wall of the leg portion, and the wiring between the pair of wall portions are guided to the storage space The solar cell panel wiring storage box according to claim 3, wherein a notch recess is provided.

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