JP2018053707A - Cable pull-in unit for solar cell or the like, and construction method of cable pull-in unit for solar cell or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cable pull-in unit for solar cell or the like that can arrange end portions of flexible pipe, locate an electric cable, and make it correspond to different types of roof such as metal roof and slate roof, and a construction method of a cable pull-in unit for solar cell or the like.SOLUTION: A cable pull-in unit for solar cell or the like according to the present invention, comprises a base-side cable holding member 16 mounted on the base board 11 and a cover-side cable holding member 26 mounted on the cover top face material 21 between a pair of support plates 15, and also comprises a cover material 24 opposed to a base flange plate 13 on the cover 20. The electric cable 31 is sandwiched between the base-side cable holding member 16 and the cover-side cable holding member 26. The end portions of flexible pipe 30 for receiving the electric cable 31 are arranged between the base flange plate 13 and the cover material 24.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a cable lead-in unit such as a solar battery that guides a cable attached to a solar battery panel or an antenna from a top gap formed on a base plate to the indoor, and a method for constructing a cable lead-in unit such as a solar battery.

For example, Patent Document 1 proposes a wiring storage box that includes a base that abuts on the outer surface of a building package that is disposed on the roof top of a building, and a cover that is disposed above the base.
Moreover, in patent document 2, the cable ridge wrapping agent provided with the hole for cable insertion is provided between the ridges arrange | positioned at the roof top part of a building.
Patent Literature 3 and Patent Literature 4 propose that a wiring is drawn in using a ventilation building arranged on the roof top of a building.
In patent document 5, the wiring drawing-in apparatus which guides the cable of a solar cell panel indoors from the top gap formed in the field board is proposed, and this wiring drawing-in apparatus is a base made of a foaming elastic resin material on the base side. The wiring support part is provided on the cover side, and a cover wiring support part made of an elastic foam resin material is provided on the cover side, and the wiring is sandwiched between the base wiring support part and the cover wiring support part, so that rainwater flows through the wiring. To prevent that.

Japanese Patent Laying-Open No. 2015-218453 Japanese Patent Laid-Open No. 11-81542 JP 2014-5707 A JP-A-8-93159 JP 2014-88731 A

In Patent Document 1, the wiring of the solar cell panel is directly arranged on the roof surface and led to the wiring storage box. However, since the temperature of the roof surface exceeds 80 degrees, wiring directly to this roof surface is not preferable because the wiring deteriorates.
On the other hand, in patent document 2, a cable is stored in a flexible tube on the roof surface, and the flexible tube is connected to a cable ridge tying member via a connector. However, when a flexible tube is connected to each of the cable insertion holes via a connector as in Patent Document 2, it is difficult to cope with an increase in the number of cables. Particularly in recent years, as the capacity of solar cell panels has improved, solar cell panels are sometimes installed on the roof on the north side, and it is desired to be able to handle a large number of cables.
In patent document 3 and patent document 4, it will be a premise to install a ventilation building.
Although patent document 5 does not use a ventilation building like patent document 3 and patent document 4, it arrange | positions continuously in a ventilation building. Accordingly, the base of Patent Document 5 is not abutted against the outer surface of the wing as in Patent Document 1, and the base and the cover are configured to be positioned in the inner space of the wing, so that the metal roof It is not possible to cope with different types of roofs such as slate roofs. Also, in Patent Document 5, since wiring is performed directly on the roof surface as in Patent Document 1, the wiring is deteriorated.

  Therefore, the present invention can arrange an end portion of a flexible tube and can position a cable, and can further accommodate a different type of roof such as a metal roof or a slate roof. It aims at providing the construction method of the cable lead-in unit.

The cable lead-in unit such as the solar cell according to the first aspect of the present invention is disposed above the base 10 and a base 10 that makes contact with the outer surface of the building 1 disposed on the roof top of the building. The base 10 includes a base substrate 11 that is brought into contact with the upper surface of the ridge 1, a base side plate 12 that is suspended from the lower end of the base substrate 11, and the base side plate 12. A base flange plate 13 extending from the lower end; a cable introduction opening 14 formed in the base board 11; and a pair of support plates 15 provided on the sides of the cable introduction opening 14; 20 includes a cover top surface material 21 that contacts the pair of support plates 15 and a cover wall surface material 22 that extends in the direction of the base substrate 11 from both side ends of the cover top surface material 21. Cables attached to panels and antennas 1 is a cable lead-in unit such as a solar cell that guides 1 indoors from the top gap 5 formed in the base plate 3, and a base-side cable attached to the base substrate 11 between the pair of support plates 15 A gripping member 16 and a cover-side cable gripping member 26 attached to the cover top surface material 21 are provided, and the cover 20 is provided with a covering material 24 facing the base flange plate 13, and the base side The cable 31 is sandwiched between the cable gripping member 16 and the cover-side cable gripping member 26, and the end portion of the flexible tube 30 that houses the cable 31 is disposed between the base flange plate 13 and the covering member 24. It is characterized by doing.
According to a second aspect of the present invention, in the cable lead-in unit of a solar cell or the like according to the first aspect, the cover 20 extends from the lower end 21 a of the cover top surface material 21 toward the base flange plate 13. The cover side member 23 is provided, and the cover side member 23 is provided with a pair of longitudinal slits 25b extending to the lower end of the cover side member 23, and the covering member 24 is disposed between the pair of longitudinal slits 25b. It is characterized by being formed by the cover side member 23.
According to a third aspect of the present invention, in the cable lead-in unit of the solar cell or the like according to the second aspect, the cover side member 23 is located at a position having a predetermined distance k from the lower end 21a of the cover top surface member 21. A pair of lateral slits 25c is provided, and the upper ends of the pair of longitudinal slits 25b are provided continuously to the side end portions of the pair of lateral slits 25c.
According to a fourth aspect of the present invention, in the cable lead-in unit of the solar cell or the like according to the third aspect, the pair of lateral slits is formed such that the lateral end of the lateral slit 25c is positioned lower than the central end. 25c is inclined with respect to the lower end 21a of the cover top surface member 21, respectively.
According to a fifth aspect of the present invention, in the cable lead-in unit for a solar cell or the like according to any one of the second to fourth aspects, the distance between the pair of longitudinal slits 25b is set to be equal to the pair of support plates 15. It is characterized by being narrower than the interval.
According to a sixth aspect of the present invention, in the cable lead-in unit for a solar cell or the like according to any one of the first to fifth aspects, the building has one first roof material and the other second roof. The base substrate 11 includes a first base substrate 11X corresponding to the first roof material and a second base substrate 11Y corresponding to the second roof material. The support plate 15 includes a first support plate 15X provided on the first base substrate 11X and a second support plate 15Y provided on the second base substrate 11Y. The first cover top surface material 21X corresponding to the first roof material and the second cover top surface material 21Y corresponding to the second roof material, the cover wall surface material 22 being the first cover top surface A first cover wall surface material 22X extending from the material 21X, and the second cover ceiling A second cover wall surface member 22Y extending from the material 21Y, the first base substrate 11X and the second base substrate 11Y are connected by a base substrate bent portion 11Z, and the top surface of the first cover The material 21X and the second cover top surface material 21Y are connected by a cover top surface material bending portion 21Z, and the first support plate end surface 15XZ on the second support plate 15Y side of the first support plate 15X, and the first The second support plate end surface 15YZ on the first support plate 15X side of the two support plates 15Y overlaps each other, the first cover wall surface end surface 22XZ on the second cover wall surface material 22Y side of the first cover wall surface material 22X, and the The second cover wall surface material 22Y overlaps with the second cover wall surface end surface 22YZ on the first cover wall surface material 22X side.
According to a seventh aspect of the present invention, in the cable lead-in unit for a solar cell or the like according to any one of the second to fifth aspects, the building has one first roof material and the other second roof. The cover top surface material 21 includes a first cover top surface material 21X corresponding to the first roof material and a second cover top surface material 21Y corresponding to the second roof material. The cover side member 23 includes a first cover side member 23X extending from the first cover top member 21X, and a second cover side member 23Y extending from the second cover top member 21Y. It is characterized by comprising.
The present invention according to claim 8 is the cable lead-in unit of the solar cell or the like according to any one of claims 1 to 7, wherein the base side cable gripping member 16 and the cover side cable gripping member 26 are At least one is formed of a foamed elastic member, and a plurality of slits are formed in the foamed elastic member.
The present invention according to claim 9 is the cable lead-in unit for a solar cell or the like according to any one of claims 1 to 7, wherein the base-side cable gripping member 16 is an outer base-side cable gripping member. 16a and an inner base-side cable gripping member 16b, the outer base-side cable gripping member 16a is provided on the lower end side of the base board 11, and the inner base-side cable gripping member 16b is opened for cable introduction. The cover side cable gripping member 26c is provided on the 14th side, and is arranged at a position facing the outer base side cable gripping member 16a.
According to a tenth aspect of the present invention, in the cable lead-in unit of the solar cell or the like according to the ninth aspect, the height dimension hb of the inner base side cable gripping member 16b is set in the state where the cable 31 is pressed down. It is characterized by being larger than the height dimension ha of the outer base side cable gripping member 16a.
The present invention according to claim 11 is the cable lead-in unit of the solar cell or the like according to claim 9 or 10, wherein the height hc of the cover-side cable gripping member 26c is set in a state where the cable 31 is sandwiched. The outer base side cable gripping member 16a is larger than the height dimension ha.
The present invention according to claim 12 is the cable lead-in unit of the solar cell or the like according to any one of claims 9 to 11, wherein the depth dimension wc of the cover-side cable gripping member 26c is set to the outer base. It is characterized by being larger than the depth dimension wa of the side cable gripping member 16a.
According to a thirteenth aspect of the present invention, in the cable lead-in unit for a solar cell or the like according to any one of the ninth to twelfth aspects, the cable 31 has a diameter c, and the base board 11 extends to the cover ceiling. The inner surface height dimension to the face material 21 is h, the height dimension of the outer base side cable gripping member 16a in an unloaded state is ha, and the height of the inner base side cable gripping member 16b in an unloaded state When the dimension is hb and the height dimension of the cover side cable gripping member 26c in an unloaded state is hc, ha is a dimension in the range of 1/4 to 5/4 and hb is (h It is characterized in that the dimension is in the range of -c) or more and (hc) × 4 or less, and hc is the dimension in the range of 2/4 or more of h and 10/4 or less.
The present invention according to claim 14 is the cable lead-in unit for a solar cell or the like according to any one of claims 9 to 13, wherein the cover-side cable gripping member 26 is an outer cover-side cable gripping member 26d. The inner cover side cable gripping member 26e, the outer cover side cable gripping member 26d provided on the lower end 21a side of the cover top surface material 21, and the inner cover side cable gripping member 26e on the cable introduction opening 14 side. The outer cover side cable gripping member 26d is formed of a foamed elastic member having no slit, and the inner cover side cable gripping member 26e is formed of the foamed elastic member having a plurality of slits.
The construction method of the cable lead-in unit such as the solar cell of the present invention according to claim 15 includes a base 10 to be brought into contact with the outer surface of the building parcel 1 arranged on the roof top of the building, and above the base 10. The base 10 includes a cable introduction opening 14 and a base-side cable gripping member 16, and the cover 20 is a cover attached to a covering member 24 and a cover top surface member 21. Using a cable lead-in unit such as a solar cell provided with a side cable gripping member 26, a cable such as a solar cell for guiding a cable 31 attached to a solar cell panel or an antenna indoors from a top gap 5 formed in the field plate 3 It is a construction method of a drawing-in unit, and the drainage drain 4 which covers the outer periphery of the top gap 5 after the field opening formation process for forming the top gap 5 in the field board 3 and the field opening formation process. Excluding the drain gap construction process, after the drain drain construction process, excluding the top gap 5 after the penetration board construction process for fastening the penetration board 7 on both sides of the top gap 5 and the penetration board construction process A wrapping construction step of covering and fixing the wrapping 1 on the through plate 7, the base 10 is disposed above the top gap 5, and the base 10 is placed against the outer surface of the ridge 1. After the base construction process to be contacted, the cable introduction opening 14 and the top gap 5 after the base construction process, the cable 31 is inserted into the cable 31, and the cover 20 is placed after the wiring process. A cover fixing step for attaching to the base 10, and in the cover fixing step, the cable 31 may be sandwiched between the base side cable gripping member 16 and the cover side cable gripping member 26 to accommodate the cable 31. End of flexible tube 30 The characterized in that arranged between the cover member 24 and the base 10.
According to a sixteenth aspect of the present invention, in the construction method of a cable lead-in unit such as a solar cell according to the fifteenth aspect, the cover 20 has a direction from the lower end 21a of the cover top surface material 21 to the base flange plate 13. The cover side member 23 is provided with a pair of longitudinal slits 25b extending to the lower end of the cover side member 23. In the cover fixing step, the pair of longitudinal directions The cover side member 23 between the slits 25b is bent to form the covering member 24, and both end portions of the covering member 24 are bent in the direction of the flexible tube 30.
The construction method of the cable lead-in unit such as the solar cell of the present invention according to claim 17 includes a base 10 that abuts on an outer surface of the building 1 disposed on the roof top of the building, and an upper side of the base 10. A cable lead-in unit such as a solar cell provided with a cable introduction opening 14 is used for the base 10, and a cable 31 attached to a solar cell panel or an antenna is attached to the base plate 3. It is a construction method of a cable lead-in unit such as a solar cell led indoors from the formed top gap 5, and after the field opening forming process of forming the top gap 5 in the field board 3 and the field opening forming process, A drainage draining process for constructing a drainage draining process 40 that covers the outer periphery of the top gap 5, a throughboarding process for fastening the penetrating plates 7 on both sides of the top gap 5, and the throughboarding process of In addition, a ridge-wrap construction step of fixing the wrap 1 to the through plate 7 except for the top gap 5, and placing the base 10 above the top gap 5, the base 10 is A base construction step for contacting the outer surface of the wing parcel 1; a wire entry step for inserting the cable 31 into the cable introduction opening 14 and the top gap 5 after the base construction step; A cover fixing step for attaching the cover 20 to the base 10 after the step, and in the field opening forming step, the ridge line direction gap dimension 5W of the roof top portion of the top gap 5 is set to the opening for introducing the cable. 14 is formed to be larger than the opening dimension in the ridge line direction of the roof top portion.

According to the cable lead-in unit of the solar cell or the like of the present invention, by sandwiching the cable between the base side cable gripping member and the cover side cable gripping member, the cable can be reliably positioned and the inflow of rainwater can be blocked, Can be increased.
Further, according to the cable lead-in unit of the present invention, such as a solar cell, the base flange plate is positioned lower than the base substrate, so that the flexible tube is disposed between the base flange plate and the covering material. The end of the door is close to the roof surface, and it is less likely to protrude higher than the cover top surface material, and it is easy to protect the flexible tube against wind and rain, and that rainwater flows in through the cable. Can be prevented.
Further, the cable lead-in unit of the present invention, such as a solar cell, has a base in contact with the outer surface of the building and a cover is arranged above the base, and the cable drawing-in unit is arranged above the building. Therefore, different types of roofs such as metal roofs and slate roofs can be handled.
Moreover, according to the construction method of the cable lead-in unit such as the solar cell of the present invention, in the step of attaching the cover to the base, the end of the flexible tube is arranged and the cable is sandwiched. It does not require work and has excellent workability.
Further, according to the construction method of the cable lead-in unit such as the solar cell of the present invention, the cable is less likely to hit the side surface of the top gap, the cable can be smoothly led indoors, and the roof top portion of the cable introduction opening Since the ridge line direction opening dimension can be reduced, the ridge line direction dimension of the cable drawing unit can be reduced, the bending of the cable drawing unit in the ridge line direction is small, and the water stopping performance of the cable drawing unit can be enhanced.

The perspective view which looked at cable lead-in units, such as a solar cell by one example of the present invention from the side. A perspective view of the cable lead-in unit as viewed from above Perspective view of the main part of the roof top of the building with the cable lead-in unit removed The perspective view which looked at the base of cable lead-in units, such as a solar cell by this example, from the upper part The perspective view which looked at the same base from the direction different from FIG. Perspective view of the base viewed from the side Perspective view of the back side of the base The back side perspective view seen from the direction different from FIG. The perspective view of the base side cable holding member used for cable lead-in units, such as a solar cell by a present Example. Illustration of the base side cable gripping member The perspective view which looked at the cover of cable lead-in units, such as a solar cell by this example, from the upper part The perspective view which looked at the same cover from the direction different from FIG. Perspective view of the back side of the cover Construction method of cable lead-in unit such as solar cell according to this embodiment Construction method of cable lead-in unit such as solar cell according to this embodiment Sectional drawing which shows the state which constructed | assembled the cable lead-in units, such as a solar cell by a present Example, to the metal standing flat roof of both flows Sectional drawing which shows the state which constructed | assembled the cable lead-in units, such as a solar cell by a present Example, on the metal side roof of both flows Sectional drawing which shows the state which constructed the cable lead-in unit, such as a solar cell by a present Example, to the slate roof of both flows The block diagram of cable drawing-in units, such as a solar cell, by the other Example of this invention Sectional drawing which shows the state which constructed | assembled the cable lead-in unit, such as a solar cell by a present Example, to the metal flow flat roof of a single flow Sectional drawing which shows the state which constructed the cable lead-in unit, such as a solar cell by a present Example, on the single-sided metal side roof Sectional drawing which shows the state which constructed the cable lead-in unit, such as a solar cell by a present Example, on the slate roof of one flow Sectional drawing of the principal part of cable drawing-in units, such as a solar cell, by the other Example of this invention Sectional drawing of the principal part of cable drawing-in units, such as a solar cell, by the further another Example of this invention. Sectional drawing of the principal part of cable drawing-in units, such as a solar cell, by the further another Example of this invention. The perspective view of the principal part which looked at the cover of cable lead-in units, such as a solar cell, by the further another Example of this invention from the upper direction.

  The cable lead-in unit of the solar cell or the like according to the first embodiment of the present invention includes a base-side cable gripping member attached to the base board and a cover-side cable attached to the cover top surface material between the pair of support plates. The cover is provided with a covering material facing the base flange plate, the cable is sandwiched between the base side cable gripping member and the cover side cable gripping member, and the base flange plate and the covering material are An end portion of a flexible tube that accommodates the cable is disposed therebetween. According to the present embodiment, by sandwiching the cable between the base-side cable gripping member and the cover-side cable gripping member, the cable can be reliably positioned, the inflow of rainwater can be blocked, and the water stoppage can be increased. In addition, according to the present embodiment, since the base flange plate is positioned at a low position with respect to the base substrate, the end portion of the flexible tube disposed between the base flange plate and the covering material is the roof. It becomes a position close to the surface, and it can be less likely to protrude to a position higher than the cover top surface material, it is easy to protect the flexible tube against wind and rain, and rainwater can be prevented from flowing in through the cable. In addition, the cable lead-in unit according to the present embodiment makes the base come into contact with the outer surface of the building parcel, and arranges the cover above the base, in order to arrange the cable pull-in unit above the parcel, Different types of roofs such as metal roofs and slate roofs can be accommodated.

  According to the second embodiment of the present invention, in the cable lead-in unit such as the solar cell according to the first embodiment, the cover has a cover side surface extending from the lower end of the cover top surface material toward the base flange plate. The cover side member is provided with a pair of longitudinal slits extending to the lower end of the cover side member, and the covering member is formed by the cover side member between the pair of longitudinal slits. According to the present embodiment, since the cover material can be formed by bending the cover side surface material between the pair of vertical slits, it is possible to arrange it in accordance with the flexible tube.

  According to a third embodiment of the present invention, in the cable lead-in unit such as a solar cell according to the second embodiment, the cover side surface material has a pair of lateral portions at a position having a predetermined distance from the lower end of the cover top surface material. Directional slits are provided, and the upper ends of the pair of longitudinal slits are provided continuously to the side ends of the pair of lateral slits. According to the present embodiment, the cover material formed by bending the cover side surface material between the pair of longitudinal slits is formed at a position having a predetermined distance from the lower end of the cover top surface material, and the cover material and the cover Since the cover side surface material of a predetermined distance remains between the lower end of the top surface material, it is possible to prevent the cover top surface material from being deformed by the reaction force from the cable, and to improve the water-stopping property.

  In the fourth embodiment of the present invention, in the cable lead-in unit of the solar cell or the like according to the third embodiment, a pair of lateral slits are provided with the lateral ends of the lateral slits positioned lower than the central end. Each of the cover top surfaces is inclined with respect to the lower end. According to the present embodiment, rainwater flowing down from the cover top surface material flows in a direction away from the covering material along the inclination of the lateral slit, so that intrusion of rainwater from the cable can be reduced. In addition, according to the present embodiment, when both ends of the covering material are bent and used by the lateral slit, the sides on the cover side surface side of the both ends of the covering material (sides formed by the lateral slit) However, since the cover surface of the cover material is inclined downward by being parallel to the surface of the cover side surface material, rainwater flowing from the cover top surface material to the cover material can be smoothly dropped.

  According to a fifth embodiment of the present invention, in the cable lead-in unit such as a solar cell according to any one of the second to fourth embodiments, the distance between the pair of longitudinal slits is larger than the distance between the pair of support plates. It is narrowed. According to this Embodiment, the clearance gap produced by forming a covering material can be narrowed, and a water stop can be improved.

  According to a sixth embodiment of the present invention, in the cable lead-in unit such as a solar cell according to any one of the first to fifth embodiments, the building has one first roof material and the other second roof material. The base board is composed of a first base board corresponding to the first roof material and a second base board corresponding to the second roof material, and the support plate is the first base board. A first support plate provided on the base substrate and a second support plate provided on the second base substrate, wherein the cover top surface material is a first cover top surface material corresponding to the first roof material; 2 cover top surface material corresponding to the roof material, the cover wall surface material is a first cover wall surface material extending from the first cover top surface material and a second cover surface extending from the second cover top surface material. A cover wall surface material, the first base substrate and the second base substrate are connected by a base substrate bent portion, and the first cover top surface material The second cover top surface material is connected by the cover top surface material bent portion, the first support plate end surface of the first support plate on the second support plate side, and the second support plate side of the second support plate on the first support plate side. The support plate end surface overlaps with each other, and the first cover wall surface side of the first cover wall surface material on the second cover wall surface side overlaps with the second cover wall surface end surface of the second cover wall surface material on the first cover wall surface side. Is. According to the present embodiment, the first base substrate and the second base substrate are connected by the base substrate bent portion, and the first cover top surface material and the second cover top surface material are the cover top surface. Since it is connected by the material bending part, the base board and the cover top surface material can be constructed according to the gradient of the building parcel. Moreover, according to this Embodiment, since a 1st support plate end surface and a 2nd support plate end surface mutually overlap, a 1st cover wall surface end surface and a 2nd cover wall surface end surface mutually overlap, Therefore The water stop effect is high.

  According to a seventh embodiment of the present invention, in the cable lead-in unit such as a solar cell according to any one of the second to fifth embodiments, the building has one first roof material and the other second roof material. The cover top surface material is composed of a first cover top surface material corresponding to the first roof material and a second cover top surface material corresponding to the second roof material. Is composed of a first cover side member extending from the first cover top member and a second cover side member extending from the second cover top member. According to the present embodiment, for example, when a solar cell panel is installed on the first roof material, the first cover side surface material between the L-shaped slits is bent to form a flexible tube covering material, and the second cover side surface By constructing the material without bending between the L-shaped slits, the side surface material of the second cover that does not need to draw in the cable can function as a rainwater inflow prevention material, and a solar panel is attached to the second roof material. In the case of expansion, the cable can be drawn as a covering material for the flexible tube by bending the side material of the second cover.

  In an eighth embodiment of the present invention, in the cable lead-in unit such as the solar cell according to any one of the first to seventh embodiments, at least one of the base-side cable gripping member and the cover-side cable gripping member is used. The foamed elastic member is formed with a plurality of slits. According to the present embodiment, a gap is less likely to be generated between the cable and the foamed elastic member by the slit, and the water stop effect can be enhanced.

  The ninth embodiment of the present invention is a cable lead-in unit such as a solar cell according to any one of the first to seventh embodiments, as a base-side cable gripping member, an outer base-side cable gripping member, An inner base side cable gripping member, an outer base side cable gripping member on the lower end side of the base board, an inner base side cable gripping member on the cable introduction opening side, and a cover side cable gripping member The outer base side cable gripping member is disposed at a position facing the outer base side cable gripping member. According to the present embodiment, the cable is sandwiched between the outer base side cable gripping member and the cover side cable gripping member to reduce the gap around the cable, and further, the cable is positioned upward by the inner base side cable gripping member. By doing so, it is possible to prevent rainwater entering from between the outer base side cable gripping member and the cover side cable gripping member from reaching the cable introduction opening along the cable.

  According to a tenth embodiment of the present invention, in the cable lead-in unit such as a solar cell according to the ninth embodiment, the height dimension of the inner base side cable gripping member is set to the outer base base while the cable is pressed. This is larger than the height of the side cable gripping member. According to the present embodiment, the outer base side cable gripping member and the cover side cable gripping are made by making the height dimension of the inner base side cable gripping member larger than the height dimension of the outer base side cable gripping member. Rainwater entering from between the members can be prevented from reaching the cable introduction opening along the cable.

  In an eleventh embodiment of the present invention, in the cable lead-in unit such as the solar cell according to the ninth or tenth embodiment, the height dimension of the cover side cable gripping member is set to the outer base in a state where the cable is sandwiched. This is larger than the height dimension of the table-side cable gripping member. According to the present embodiment, it is possible to prevent rainwater from reaching the cable introduction opening along the cable by bringing the cable close to the base substrate side on the covering material side.

  According to a twelfth embodiment of the present invention, in the cable lead-in unit for a solar cell or the like according to any of the ninth to eleventh embodiments, the depth dimension of the cover side cable gripping member is set to the outer base side cable gripping member. It is larger than the depth dimension. According to the present embodiment, the distance between the inner base side cable gripping member side sandwiching position between the cover side cable gripping member and the outer base side cable gripping member and the inner base side cable gripping member is kept constant. It is possible to deal with roofs with different slopes. By maintaining the distance between the inner base side cable gripping member side sandwiched position between the cover side cable gripping member and the outer base side cable gripping member and the inner base side cable gripping member, it is possible to provide a roof with a different slope. On the other hand, the water stop performance can be maintained.

  In a thirteenth embodiment of the present invention, in the cable lead-in unit of a solar cell or the like according to any of the ninth to twelfth embodiments, the cable diameter is c, and the inner surface from the base board to the cover top surface material The height dimension is h, the height dimension of the outer base side cable gripping member in an unloaded state is ha, the height dimension of the inner base side cable gripping member in an unloaded state is hb, and the cover side cable gripping member When the height dimension in the no-load state is hc, ha is a dimension in the range from 1/4 to 5/4 and hb is in the range from (hc) to (hc) × 4. The dimensions are in the following range, and hc is a dimension in the range of 2/4 or more and 10/4 or less of h. According to the present embodiment, it is possible to reliably block rainwater reaching the cable introduction opening.

  In a fourteenth embodiment of the present invention, in a cable lead-in unit for a solar cell or the like according to any of the ninth to thirteenth embodiments, as a cover-side cable gripping member, an outer cover-side cable gripping member, Side cable gripping member, the outer cover side cable gripping member is provided on the lower end side of the cover top surface material, the inner cover side cable gripping member is provided on the cable introduction opening side, and the outer cover side cable gripping member has no slit. The inner cover side cable gripping member is formed of a foamed elastic member having a plurality of slits. According to the present embodiment, it is possible to maintain a highly durable water stop on the side of the covering material that is easily affected by the external environment, and to reliably eliminate a gap on the cable introduction opening side.

  According to the fifteenth embodiment of the present invention, a method for constructing a cable lead-in unit such as a solar cell includes a field opening forming step for forming a top gap in the field plate, and a step of covering the outer periphery of the top gap after the field opening forming step. After the drainage draining process, after the drainage draining process, and after the drainage slitting process, after the throughboarding process, the top gap is removed and the building is enclosed For building the cable, after the base construction process, the base construction process where the base is placed in contact with the outer surface of the building parcel, and the base construction process And a cover fixing step for attaching the cover to the base after the wire entry step. In the cover fixing step, the cable is connected to the base side cable gripping member and the cover side cable. Clamping with the gripping member The end of the flexible tube to keep the table is to place between the base and the cover member. According to the present embodiment, in the process of attaching the cover to the base, the end of the flexible tube is arranged and the cable is sandwiched, so that complicated work for water stop is not required and the workability is excellent. Yes.

  According to a sixteenth embodiment of the present invention, in the construction method of the cable lead-in unit such as a solar cell according to the fifteenth embodiment, the cover extends from the lower end of the cover top surface material toward the base flange plate. The cover side member is provided with a pair of vertical slits extending to the lower end of the cover side member. In the cover fixing step, the cover side member between the pair of vertical slits is folded and covered. In this case, both ends of the covering material are bent in the direction of the flexible tube. According to the present embodiment, since the cover material can be formed by bending the cover side surface material between the pair of vertical slits, it is possible to arrange it in accordance with the flexible tube.

  A construction method of a cable lead-in unit such as a solar cell according to the seventeenth embodiment of the present invention includes a step of forming a top gap in the base plate, and a step of covering the outer periphery of the top gap after the step of forming the top opening. After the drainage draining process, after the drainage draining process, and after the drainage slitting process, after the throughboarding process, the top gap is removed and the building is enclosed For building the cable, after the base construction process, the base construction process where the base is placed in contact with the outer surface of the building parcel, and the base construction process There is a wire entry process for inserting the cable into the opening and the top gap, and a cover fixing process for attaching the cover to the base after the wire entry process. In the field opening formation process, the clearance gap direction dimension of the roof top of the top gap is set. , Roof top edge of the cable introduction opening It is intended to larger than a direction opening size. According to the present embodiment, the cable is less likely to hit the side surface of the top gap, the cable can be smoothly led indoors, and the ridge line direction opening dimension of the roof top portion of the cable introduction opening can be reduced. The ridge line direction dimension of the drawing-in unit can be reduced, the bending of the cable drawing unit in the ridge line direction is small, and the water stopping performance of the cable drawing unit can be enhanced.

Hereinafter, a cable lead-in unit such as a solar cell according to an embodiment of the present invention will be described.
1 is a perspective view of a cable lead-in unit such as a solar cell according to the present embodiment as viewed from the side, FIG. 2 is a perspective view of the cable lead-in unit as seen from above, and FIG. 3 is a state in which the cable lead-in unit is removed. It is a principal part perspective view of the roof top part of this building.
A cable lead-in unit such as a solar cell according to the present embodiment includes a base 10 that abuts on the outer surface of the building 1 disposed on the roof top of the building, and a cover 20 that is disposed above the base 10. .
FIGS. 1 to 3 show a metal roof of both flows, and a base plate 3 is provided on the top of the rafter 2, and a roof material (metal stand flat) 4 is laid on the top surface of the base plate 3.
As shown in FIG.1 and FIG.2, the flexible tube 30 which accommodates a cable is arrange | positioned at the cable drawing-in unit.
As shown in FIG. 3, a top gap 5 is formed at the roof top of the field board 3, and a drainage drain 40 is attached to the top gap 5.
Square members 6 are fastened to both sides of the top gap 5, and through plates 7 are fastened to the top of the square members 6. The ridge parcel 1 is fixed over the through plate 7 except for the top gap 5.
The cable lead-in unit guides a cable attached to a solar battery panel, an antenna, and the like from the top gap 5 formed in the field board 3 to the indoor.

4 is a perspective view of a base of a cable lead-in unit such as a solar cell according to the present embodiment as viewed from above, FIG. 5 is a perspective view of the base as viewed from a direction different from FIG. 4, and FIG. FIG. 7 is a perspective view of the back side of the base, and FIG. 8 is a perspective view of the back side viewed from a different direction from FIG.
The base 10 includes a base board 11 that is brought into contact with the upper surface of the building parcel 1, a base side plate 12 that is suspended from the lower end of the base board 11, and a base flange plate 13 that is extended from the lower end of the base side plate 12. And a cable introduction opening 14 formed in the base board 11 and a pair of support plates 15 provided on the side of the cable introduction opening 14.
The pair of support plates 15 includes a connection plate 15 a that connects the pair of support plates 15 and an opening reinforcing portion 15 b that is disposed around the cable introduction opening 14. The opening reinforcing portion 15b is formed between the support plate 15 and the cable introduction opening 14, and between the connection plate 15a and the cable introduction opening 14, and the end is bent inward.
The pair of support plates 15, the connection plate 15a, and the opening reinforcing portion 15b are integrally formed from a single metal plate. That is, the pair of support plates 15 are formed by bending both sides of the connection plate 15a. At the position of the connection plate 15a and the opening reinforcing portion 15b, it is attached to the base substrate 11 using screws.

A base-side cable gripping member 16 attached to the base substrate 11 is provided between the pair of support plates 15. In this embodiment, the base side cable gripping member 16 is attached to the connection plate 15a. The base side cable gripping member 16 may be directly attached to the base substrate 11 or may be indirectly attached to the base substrate 11 via a connection plate 15a provided for a reinforcing function as in this embodiment.
In the present embodiment, an outer base side cable gripping member 16 a and an inner base side cable gripping member 16 b are provided as the base side cable gripping member 16.
The outer base side cable gripping member 16 a is provided on the lower end side of the base board 11, and the inner base side cable gripping member 16 b is provided on the cable introduction opening 14 side. The inner base side cable gripping member 16b is preferably provided at a higher position than the outer base side cable gripping member 16a. Furthermore, the natural height of the inner base side cable gripping member 16b is set to the outer base side. It is preferable that the height is higher than the natural height of the cable gripping member 16a. Here, the natural height is the height of the member itself when no load is applied.

In this embodiment, it is a cable lead-in unit corresponding to a double-flow roof composed of one first roof material and the other second roof material, and the base board 11 is a first base corresponding to the first roof material. The board 11X includes a second base board 11Y corresponding to the second roof material, and the support plate 15 is provided on the first base board 11X provided on the first base board 11X and the second base board 11Y. And a second support plate 15Y.
The first base substrate 11X and the second base substrate 11Y are connected by a base substrate bent portion 11Z. Since the first base substrate 11X and the second base substrate 11Y are connected by the base substrate bending portion 11Z, the base substrate 11 can be applied in accordance with the gradient of the building 1.
The first support plate end surface 15XZ on the second support plate 15Y side of the first support plate 15X and the second support plate end surface 15YZ on the first support plate 15X side of the second support plate 15Y overlap each other. Since the first support plate end surface 15XZ and the second support plate end surface 15YZ overlap each other, the water stop effect is high.
As shown in FIGS. 7 and 8, the end of the base flange plate 13 is folded back. Moreover, the elastic material 17 is affixed on the back surface of the base substrate 11 in the ridgeline direction of the roof top at the time of installation.

FIG. 9 is a perspective view of a base side cable gripping member used in a cable lead-in unit such as a solar cell according to the present embodiment, and FIG. 10 is an explanatory view of the base side cable gripping member.
The base side cable gripping member 16 is formed of a foamed elastic member, and a plurality of slits are formed in the foamed elastic member. The foamed elastic member is preferably a heat-resistant member, for example, EPDM rubber is suitable. The foamed elastic member piece formed by the slit preferably has a width narrower than the diameter of the cable, and preferably has a height longer than the radius of the cable. The foamed elastic member piece shown in the present embodiment has a width narrower than the radius of the cable and a height longer than the diameter of the cable.
According to the present embodiment, the gap is less likely to be generated between the cable and the foamed elastic member by the slit, and the water stop effect can be enhanced.

FIG. 11 is a perspective view of a cover of a cable lead-in unit such as a solar cell according to the present embodiment as viewed from above, FIG. 12 is a perspective view of the cover as viewed from a direction different from FIG. 11, and FIG. It is a perspective view.
The cover 20 includes a cover top surface material 21 that abuts against the pair of support plates 15, a cover wall surface material 22 that extends from both ends of the cover top surface material 21 toward the base substrate 11, and the cover top surface material 21. A cover side member 23 extending from the lower end toward the base flange plate 13 and a covering member 24 extending from the lower end of the cover top surface member 21 and facing the base flange plate 13 are provided.

As shown in FIG. 12, the cover side member 23 is provided with a pair of L-shaped slits 25.
The L-shaped slit 25 includes a horizontal slit 25 a formed at the lower end of the cover top surface material 21 and a vertical slit 25 b extending from the end of the horizontal slit 25 a to the lower end of the cover side member 23.
In the present embodiment, the covering member 24 is formed by bending the cover side member 23 between the pair of L-shaped slits 25.
11 and 13 show a covering member 24 formed by bending a cover side member 23 between a pair of L-shaped slits 25. The cover side member 23 between the pair of L-shaped slits 25 can be bent so as to face the base flange plate 13 by the pair of longitudinal slits 25b, and the covering member 24 of the covering member 24 can be folded by the lateral slit 25a. Both ends can be bent along the circumference of the flexible tube 30.
According to the present embodiment, since the cover member 24 can be formed by bending the cover side member 23 between the pair of L-shaped slits 25, the cover member 24 can be arranged according to the flexible tube 30.
Note that the covering member 24 can be formed by a pair of longitudinal slits 25b without forming the lateral slits 25a. Further, the pair of longitudinal slits 25 b may not reach the lower end of the cover top surface material 21 as long as it extends to the lower end of the cover side surface material 23. Further, the covering member 24 may be formed by bending the entire cover side member 23 without forming the pair of longitudinal slits 25b.

In this embodiment, it is a cable lead-in unit corresponding to a double-flow roof composed of one first roof material and the other second roof material, and the cover top surface material 21 is a first cover corresponding to the first roof material. It consists of a top surface material 21X and a second cover top surface material 21Y corresponding to the second roof material, and the cover wall surface material 22 includes a first cover wall surface material 22X extending from the first cover top surface material 21X, It consists of the 2nd cover wall surface material 22Y extended from 21C cover top surface material 21Y.
The first cover top surface material 21X and the second cover top surface material 21Y are connected by a cover top surface material bent portion 21Z. Since the first cover top surface material 21X and the second cover top surface material 21Y are connected by the cover top surface material bent portion 21Z, the cover top surface material 21 can be applied in accordance with the gradient of the building 1. it can.
The first cover wall surface end surface 22XZ on the second cover wall surface material 22Y side of the first cover wall surface material 22X and the second cover wall surface end surface 22YZ on the first cover wall surface material 22X side of the second cover wall surface material 22Y overlap each other. . Since the first cover wall end face 22XZ and the second cover wall end face 22YZ overlap each other, the water stop effect is high.
According to the present embodiment, for example, when a solar cell panel is installed on the first roof material, the first cover side surface material 23X between the L-shaped slits 25 is bent to form the covering material 24 of the flexible tube 30. By constructing the two cover side members 23Y without bending the space between the L-shaped slits 25, the second cover side member 23Y that does not need to draw in the cable can function as a rainwater inflow prevention material, and the second roof When a solar cell panel is added to the material, the cable can be drawn as the covering material 24 of the flexible tube 30 by bending the second cover side surface material 23Y.

As shown in FIG. 13, a cover-side cable gripping member 26 is attached to the back surface of the cover top surface material 21.
The cover-side cable gripping member 26 may be directly attached to the cover top surface material 21 or indirectly attached to the cover top surface material 21 via another member.
In the present embodiment, as the cover-side cable gripping member 26, an outer cover-side cable gripping member 26a and an inner cover-side cable gripping member 26b are provided. In the present embodiment, the outer cover side cable gripping member 26a is indirectly attached to the cover top surface member 21 via an elastic plate member 27 that bends in the height direction, and the inner cover side cable gripping member 26b is attached to the cover top surface. It is directly attached to the material 21.
The outer cover side cable gripping member 26a is provided on the lower end side of the cover top surface material 21, and the inner cover side cable gripping member 26b is provided on the cover top surface material bent portion 21Z side. The inner cover side cable gripping member 26b is preferably provided at a higher position than the outer cover side cable gripping member 26a. Furthermore, the position of the lower surface of the inner cover side cable gripping member 26b is set at the outer cover side cable gripping member 26a. It is preferable that it is higher than the position of the lower surface.

As shown in FIGS. 11 to 13, a long hole 28 is formed in the cover top surface material 21. The long hole 28 is formed at a position corresponding to the pair of support plates 15. The cover top surface material 21 is attached to the support plate 15 by screwing using the long hole 28.
The cover-side cable gripping member 26 is the same as the base-side cable gripping member 16 shown in FIGS. 9 and 10 and is formed of a foamed elastic member, and a plurality of slits are formed in the foamed elastic member. The foamed elastic member is preferably a heat-resistant member, for example, EPDM rubber is suitable. The foamed elastic member piece formed by the slit preferably has a width narrower than the diameter of the cable, and preferably has a height longer than the radius of the cable. The foamed elastic member piece shown in the present embodiment has a width narrower than the radius of the cable and a height longer than the diameter of the cable.

14 and 15 are diagrams showing a construction method of a cable lead-in unit such as a solar cell according to this embodiment.
Fig.14 (a) has shown the field opening formation process. In the field opening forming step, the top gap 5 is formed at the roof top of the field board 3. The top gap 5 is formed such that the ridge line direction clearance dimension 5W of the roof top part is larger than the ridge line direction opening dimension of the roof top part of the cable introduction opening 14.
FIG.14 (b) has shown the roof underlaying material construction process after a field opening formation process. In the roofing material construction process, the roofing material 8 is stretched on the upper surface of the field board 3, and an opening is provided in the roofing material 8 in order to open the top gap 5.
FIG.14 (c) has shown the drainage cutting construction process after a roof underlaying material construction process. In the draining construction process, a draining drain 40 that covers the outer periphery of the top gap 5 is constructed. The ridge line direction dimension of the roof top of the drainage drain 40 is formed larger than the ridge line direction gap dimension 5W of the top gap 5.
FIG.14 (d) has shown the waterproofing process process after a draining construction process. In the waterproofing process, the outer periphery of the draining drain 40 is waterproofed. In the waterproofing process, a waterproof sheet is bonded to the gap between the drainage 40 and the roofing material 8 and the roofing material 8 around the draining material 40.
FIG. 14E shows a square bar construction process after the waterproofing process. In the square bar construction process, square bars 6 are fastened to both sides of the top gap 5 according to the roof slope.
FIG.14 (f) has shown the penetration board construction process after a square bar construction process. In the through plate construction process, the through plate 7 is fastened on the square member 6. Therefore, the through plate 7 is fastened to both sides of the top gap 5.

Fig.15 (a) has shown the ridge-wrap construction process after a penetration board construction process. In the ridge building construction process, the ridge wrap 1 is put on and fixed to the through plate 7 except for the top gap 5. The ridge parcel 1 is divided and disposed at a predetermined interval, and the predetermined interval is larger than the ridge line direction dimension of the roof top portion of the drainage drain 40.
FIG. 15B shows the base construction process after the building construction process. In the base construction process, the base 10 is disposed above the top gap 5 and both side portions of the base 10 are brought into contact with the outer surface of the wing 1.
In addition, a base construction process can also be performed before a building construction process. That is, after the base 10 is attached to the ridge parcel 1, the ridge parcel 1 can be covered with the penetrating plate 7 and fixed.
FIG. 15C shows the incoming line process after the base construction process. In the entry process, the cable 31 is inserted into the cable introduction opening 14 and the top gap 5.
FIGS. 15D, 15E, and 15F show the cover fixing process after the incoming line process. In the cover fixing step, the cover 20 is attached to the base.
FIG. 15D shows a state in which the cover side material 23 between the pair of L-shaped slits 25 is raised and the covering material 24 is formed for the cover 20.
As shown in FIG. 15C, after the cable 31 is placed on the base side cable gripping member 16, the cable 31 is stored in the flexible tube 30, and the flexible tube 30 is pressed by the covering member 24, As shown in FIG. 15 (e), the cover 20 is attached to the base 10 using the long hole 28.
FIG. 15F shows a state where both ends of the covering member 24 are bent along the periphery of the flexible tube 30. When the cover side member 23 forms a pair of L-shaped slits 25, both ends of the covering member 24 can be bent along the lateral slits 25a. Even if the cover side member 23 forms only a pair of longitudinal slits 25b, at least the corners of both ends of the covering member 24 can be bent.

In the cover fixing process, the cable 31 is sandwiched between the base-side cable gripping member 16 and the cover-side cable gripping member 26, and the end of the flexible tube 30 that houses the cable 31 is disposed between the base 10 and the covering member 24. To do. Thus, in the process of attaching the cover 20 to the base 10, the end of the flexible tube 30 is arranged and the cable 31 is sandwiched, so that complicated work for water stop is not required, and workability is excellent. Yes.
Further, in the field opening forming step, the cable 31 is formed on the side surface of the top gap 5 by forming the ridge line direction gap dimension 5W of the roof top portion of the top gap 5 larger than the ridge line direction opening dimension of the roof top portion of the cable introduction opening 14. The cable 31 can be smoothly guided indoors, and the ridge line direction opening dimension of the roof top portion of the cable introduction opening 14 can be reduced, so that the ridge line direction dimension of the cable drawing unit can be reduced, and the cable drawing There is little bending in the ridgeline direction of the unit, and the water stopping performance of the cable lead-in unit can be enhanced.

FIG. 16 is a cross-sectional view showing a state in which a cable lead-in unit such as a solar cell according to this embodiment is constructed on a metal roof with both flows, and FIG. 17 shows a cable lead-in unit such as a solar cell according to this embodiment in both flows. FIG. 18 is a cross-sectional view showing a state in which a cable lead-in unit such as a solar cell according to this embodiment is applied to a slate roof of both flows.
In the double-flow roof structure shown in FIGS. 16 to 17, the rafters 2 are provided obliquely downward from the upper part of the purlin 9 to both sides. A base plate 3 is provided above the rafter 2, and a roof material 4 is laid on the upper surface of the base plate 3. The ridge parcel 1 is fixed over the through plate 7 except for the top gap 5. In addition, the same code | symbol is attached | subjected to the already demonstrated member, and description is abbreviate | omitted.

In the structure of the metal vertical flat roof shown in FIG. 16, a metal vertical is used as the roofing material 4, and in the structure of the metal horizontal roofing shown in FIG. In a slate roof structure, slate is used as the roofing material 4.
In the metal roof structure shown in FIGS. 16 and 17, square members 6 are fastened to the roof tops in accordance with the roof slope on both sides of the top gap 5, and through plates 7 are fastened to the square members 6. In the slate roof building shown in FIG. 18, through plates 7 are fastened to both sides of the top gap 5. In the structure with a slate roof, the square member 6 is not provided unlike the structure with a metal roof.

In this embodiment, the cable 31 is sandwiched between the base-side cable gripping member 16 and the cover-side cable gripping member 26, and the end of the flexible tube 30 that houses the cable 31 is connected to the base flange plate 13 and the covering material 24. Between.
In this manner, by sandwiching the cable 31 between the base side cable gripping member 16 and the cover side cable gripping member 26, the cable 31 can be reliably positioned, the inflow of rainwater can be blocked, and water stoppage can be improved.
Moreover, since the base flange plate 13 is positioned lower than the base substrate 11, the end of the flexible tube 30 disposed between the base flange plate 13 and the covering member 24 is close to the roof surface. Therefore, it is possible to reduce the protrusion to a position higher than the cover top surface material 21, easily protect the flexible tube 30 against wind and rain, and prevent rainwater from flowing in through the cable 31.
As shown in FIGS. 16 to 18, the cable lead-in unit such as a solar cell according to the present embodiment has the base 10 in contact with the outer surface of the building 1 and the cover 20 is disposed above the base 10. And since it arrange | positions above the building wrapper 1, it can be made to respond | correspond to a different kind of roof like a metal roof or a slate roof.

FIG. 19 is a configuration diagram of a cable lead-in unit such as a solar cell according to another embodiment of the present invention, FIG. 19A is a top view of the cable lead-in unit, and FIG. 19B is a front view of the cable lead-in unit. Fig. 19 (c) is a side view of the cable lead-in unit.
This embodiment is a cable lead-in unit for a single-flow roof. In addition, the same code | symbol is already attached to the already demonstrated same function member, and description is abbreviate | omitted.
A cable lead-in unit such as a solar cell according to the present embodiment includes a base 10 that is brought into contact with the outer surface of the building 1 and a cover 20 that is disposed above the base 10 in the same manner as in the above-described embodiment.
The base 10 includes a base board 11 that is brought into contact with the upper surface of the building parcel 1, a base side plate 12 that is suspended from the lower end of the base board 11, and a base flange plate 13 that is extended from the lower end of the base side plate 12. In addition, although not shown in FIG. 19, the cable introduction opening 14 formed in the base board 11, the pair of support plates 15 provided on the side of the cable introduction opening 14, and the wall surface of the building. The hanging plate material 18 is provided.
The cover 20 includes a cover top surface material 21 that abuts against the pair of support plates 15, a cover wall surface material 22 that extends from both ends of the cover top surface material 21 toward the base substrate 11, and the cover top surface material 21. A cover side member 23 extending from the lower end toward the base flange plate 13 and a covering member 24 extending from the lower end of the cover top surface member 21 and facing the base flange plate 13 are provided. In addition, in FIG. 19, the state of the covering material 24 before making it oppose the base flange board 13 is shown.
In the present embodiment, since it is a cable lead-in unit corresponding to a single-flow roof made of one first roof material, the base board 11 is made up of a first base board 11X corresponding to the first roof material, and a support plate 15. Is composed of a first support plate 15X provided on the first base substrate 11X, the cover top surface material 21 is composed of a first cover top surface material 21X corresponding to the first roof material, and the cover wall surface material 22 is It consists of the 1st cover wall surface material 22X extended from the 1 cover top surface material 21X (refer FIGS. 4-6 and FIGS. 11-13).
Although not shown in FIG. 19, the base side cable gripping member 16 and the cover side cable gripping as shown in FIGS. 9 and 10 are also shown in FIG. A member 26 is provided.

FIG. 20 is a cross-sectional view showing a state in which a cable lead-in unit such as a solar cell according to this embodiment is installed on a single-flow metal vertical roof, and FIG. 21 shows a cable lead-in unit such as a solar cell according to this embodiment. FIG. 22 is a cross-sectional view showing a state in which a cable lead-in unit such as a solar cell according to this embodiment is applied to a single-flow slate roof.
In the single-flow roof structure shown in FIGS. 20 to 22, the rafter 2 is provided obliquely downward in one direction from the upper part of the purlin 9. A base plate 3 is provided above the rafter 2, and a roof material 4 is laid on the upper surface of the base plate 3. The ridge parcel 1 is fixed over the through plate 7 except for the top gap 5. In addition, the same code | symbol is attached | subjected to the already demonstrated member, and description is abbreviate | omitted.

In the building of the metal vertical flat roof shown in FIG. 20, a metal vertical flat is used as the roofing material 4, and in the building of the metal horizontal roofing shown in FIG. In a slate roof structure, slate is used as the roofing material 4.
In the metal roof building shown in FIG. 20 and FIG. 21, the square member 6 is fastened to the roof top in accordance with the roof slope, and the through plate 7 is fastened to the square member 6. In the building of the slate roof shown in FIG. 22, the through plate 7 is fastened to the roof top. In the structure with a slate roof, the square member 6 is not provided unlike the structure with a metal roof.
A windbreak foundation 61 is provided on the wall surface of the purlin 9 and the end surface of the rafter 2 on the ridge side. A windbreak plate 62 is disposed on the outdoor side surface of the windbreak base 61.
The cable drawing unit for a single-flow roof according to the present embodiment is constructed by using the plate material 50 including the windbreak plate.
The windbreak plate-incorporated plate member 50 is disposed in parallel with the drooping plate member 18 and fixed to the windbreak substrate 61, and the drooping plate plate 51 is disposed in parallel with the windbreak substrate fixing plate member 51 via the connecting plate member 52. It consists of a plate 53 and is formed by bending a single plate. The connecting plate member 52 connects the upper end of the gust breaker base fixing plate member 51 and the upper end of the hanging fixing plate member 53. Below the connecting plate 52, a notched portion of the windbreak plate is formed between the windbreak base fixing plate material 51 and the hanging fixing plate material 53.
The base 10 abuts both side portions of the base substrate 11 on the outer surface of the wing 1, and abuts the hanging plate member 18 on the outer surface of the hanging fixing plate member 53. The windbreak base fixing plate member 51 is fixed to the windbreak base 61 with screws 54. After fixing the windbreak base fixing plate material 51 to the windbreak base 61, the windbreak board 62 is installed. The windbreak plate 62 is installed by inserting the upper end portion of the windbreak plate 62 into the notch portion of the windbreak plate.

In this embodiment, the cable 31 is sandwiched between the base-side cable gripping member 16 and the cover-side cable gripping member 26, and the end of the flexible tube 30 that houses the cable 31 is connected to the base flange plate 13 and the covering material 24. Between.
In this manner, by sandwiching the cable 31 between the base side cable gripping member 16 and the cover side cable gripping member 26, the cable 31 can be reliably positioned, the inflow of rainwater can be blocked, and water stoppage can be improved.
Moreover, since the base flange plate 13 is positioned lower than the base substrate 11, the end of the flexible tube 30 disposed between the base flange plate 13 and the covering member 24 is close to the roof surface. Therefore, it is possible to reduce the protrusion to a position higher than the cover top surface material 21, easily protect the flexible tube 30 against wind and rain, and prevent rainwater from flowing in through the cable 31.
As shown in FIGS. 20 to 22, the cable drawing unit for a single-flow roof according to the present embodiment has the base 10 in contact with the outer surface of the building 1 and the cover 20 is disposed above the base 10. And since it arrange | positions above the building wrapper 1, it can be made to respond | correspond to a different kind of roof like a metal roof or a slate roof.

FIG. 23 is a cross-sectional view of a main part of a cable lead-in unit such as a solar cell according to another embodiment of the present invention. In addition, illustration is abbreviate | omitted about the same structure as the said Example, and only a different point is demonstrated below. Further, the cable 31 is omitted and not shown. FIG. 23A shows a state applied to a 0.5-inch gradient roof, and FIG. 23B shows a state applied to a 6.5-inch gradient roof.
The cable lead-in unit such as a solar cell according to the present embodiment includes an outer base side cable gripping member 16 a and an inner base side cable gripping member 16 b as the base side cable gripping member 16.
The outer base side cable gripping member 16a is provided on the lower end side of the base board 11, and the inner base side cable gripping member 16b is provided on the cable introduction opening 14 side.
The cover-side cable gripping member 26c is disposed at a position facing the outer base-side cable gripping member 16a.
As described above, the cable is sandwiched between the outer base side cable gripping member 16a and the cover side cable gripping member 26c to reduce the gap around the cable, and further, the cable is positioned upward by the inner base side cable gripping member 16b. Thus, it is possible to prevent rainwater entering from between the outer base side cable gripping member 16a and the cover side cable gripping member 26c from reaching the cable introduction opening 14 along the cable.

In the state where the cable is pressed, the height dimension of the inner base side cable gripping member 16b is larger than the height dimension of the outer base side cable gripping member 16a.
Thus, by making the height dimension of the inner base side cable gripping member 16b larger than the height dimension of the outer base side cable gripping member 16a, the outer base side cable gripping member 16a and the cover side cable gripping member It is possible to prevent rainwater that enters from the space 26c from reaching the cable introduction opening 14 along the cable.
In the state where the cable is sandwiched, the height dimension of the cover-side cable gripping member 26c is larger than the height dimension of the outer base-side cable gripping member 16a.
In this way, by bringing the cable close to the base substrate 11 side on the covering material 24 side, it is possible to prevent rainwater from reaching the cable introduction opening 14 along the cable.

The depth dimension wc of the cover side cable gripping member 26c is larger than the depth dimension wa of the outer base side cable gripping member 16a.
In this way, the distance w between the inner base side cable gripping member 16b side sandwiched position of the cover side cable gripping member 26c and the outer base side cable gripping member 16a and the inner base side cable gripping member 16b is kept constant. In this state, it is possible to deal with roofs having different slopes.
And the water stop performance can be maintained with respect to the roof from which a gradient differs by maintaining the distance w constant.

  The outer base side cable gripping member 16a and the inner base side cable gripping member 16b may be directly attached to the base board 11 or indirectly attached to the base board 11 via other members, The cover-side cable gripping member 26 may be directly attached to the cover top surface material 21 or indirectly attached to the cover top surface material 21 via another member.

  FIG. 24 is a cross-sectional view of a main part of a cable lead-in unit such as a solar cell according to still another embodiment of the present invention. In addition, illustration is abbreviate | omitted about the same structure as the said Example, and only a different point is demonstrated below. FIG. 24A is a cross-sectional view of the main part showing a state in which the outer base side cable gripping member, the inner base side cable gripping member, and the cover side cable gripping member are unloaded, and FIG. FIG. 24 (c) is a cross-sectional view of the main part showing the load state with the cable sandwiched therebetween, and FIG. 24 (d) is a cross-section along the lines AA and BB in FIG. 24 (c). FIG. 24 (e) is a cross-sectional view taken along the line CC of FIG. 24 (c).

  The diameter of the cable 31 is c, the inner surface height dimension from the base board 11 to the cover top member 21 is h, the height dimension of the outer base side cable gripping member 16a in an unloaded state is ha, the inner base side When the height dimension of the cable gripping member 16b in the no-load state is hb and the height dimension of the cover-side cable gripping member 26c in the no-load state is hc, the cable lead-in unit such as a solar cell according to the present embodiment is , Ha is a dimension in the range of 1/4 to 5/4 of h, hb is a dimension in the range of (hc) to (hc) × 4, and hc is 2/4 of h. The dimensions are in the range of 10/4 or less. Note that (ha + hc) preferably has a dimension of h or more.

  The height dimension ha of the outer base side cable gripping member 16a, the height dimension hb of the inner base side cable gripping member 16b, and the height dimension hc of the cover side cable gripping member 26c shown in FIG. As shown in FIG. 24B, in the load state without a cable, the height dimension hap1 of the outer base side cable gripping member 16a, the height dimension hbp1 of the inner base side cable gripping member 16b, and the cover side cable gripping member 26c. The height dimension hcp1 of the outer base side cable gripping member 16a and the height dimension of the inner base side cable gripping member 16b in the load state with the cable as shown in FIG. hbp2 is the height dimension hcp2 of the cover-side cable gripping member 26c. Here, hbp1 is equal to the inner surface height dimension h from the base substrate 11 to the cover top surface material 21, and hap1 + hcp1 is also equal to the inner surface height dimension h from the base substrate 11 to the cover top surface material 21. Further, hbp2 = h−c and hap2 + hcp2 = h−c.

By setting ha, hb, and hc in this manner, rainwater that reaches the cable introduction opening 14 can be reliably blocked.
The cable 31 has a diameter c of 8 mm, an inner surface height h from the base board 11 to the cover top surface material 21 of 20 mm, an outer base side cable gripping member 16a, an inner base side cable gripping member 16b, and a cover. When EPDM rubber is used as the side cable gripping member 26c, it is preferable that ha is 5 mm to 15 mm, hc is 15 mm to 30 mm, hb is 20 mm to 40 mm, ha is 10 mm, hc is 25 mm, and hb is 25 mm. More preferably.

  FIG. 25 is a cross-sectional view of a main part of a cable lead-in unit such as a solar cell according to still another embodiment of the present invention. In addition, illustration is abbreviate | omitted about the same structure as the said Example, and only a different point is demonstrated below. FIG. 25A is a cross-sectional view of the main part showing a state in which the outer base-side cable gripping member, the inner base-side cable gripping member, and the cover-side cable gripping member are unloaded, and FIG. 25 (c) is a cross-sectional view of the main part showing the load state with the cable sandwiched therebetween, FIG. 25 (d) is a cross-sectional view along the line AA in FIG. 25 (c), and FIG. e) is a sectional view taken along line BB in FIG. 25C, and FIG. 25F is a sectional view taken along line CC in FIG. 25C.

The cable lead-in unit such as a solar cell according to the present embodiment includes an outer cover side cable gripping member 26d and an inner cover side cable gripping member 26e as the cover side cable gripping member 26. The outer cover side cable gripping member 26d is provided on the lower end side of the cover top surface material 21, and the inner cover side cable gripping member 26e is provided on the cable introduction opening 14 side.
The outer cover side cable gripping member 26d is formed of a foamed elastic member without slits, and the inner cover side cable gripping member 26e is formed of a foamed elastic member having a plurality of slits.
The outer base-side cable gripping member 16a and the inner base-side cable gripping member 16b are formed of a foamed elastic member having no slit, like the outer cover-side cable gripping member 26d.

25A, the height dimension ha of the outer base side cable gripping member 16a, the height dimension hb of the inner base side cable gripping member 16b, the height dimension hd of the outer cover side cable gripping member 26d, and the inner side. As shown in FIG. 25 (b), the height dimension he of the cover-side cable gripping member 26e is the height dimension hap1 of the outer base-side cable gripping member 16a and the inner base-side cable gripping when there is no cable. The height dimension hbp1 of the member 16b, the height dimension hdp1 of the outer cover side cable gripping member 26d, and the height dimension hep1 of the inner cover side cable gripping member 26e, as shown in FIG. Then, the height dimension hap2 of the outer base side cable gripping member 16a, the height dimension hbp2 of the inner base side cable gripping member 16b, the outer cover side cable Height hdp2 grasping member 26 d, a height hep2 the inner cover side cable gripping member 26e. Here, hbp1 is equal to the inner surface height dimension h from the base substrate 11 to the cover top surface material 21, and the inner surface height dimension h from the base substrate 11 to the cover top surface material 21 also for hap1 + hdp1 and hap1 + hep1. Is equal to Further, hbp2 = hc, hap2 + hdp2 = hc, and hap2 + hep2 = hc.
As described above, it is possible to maintain a highly durable water stop on the side of the covering material 24 that is easily influenced by the external environment, and to reliably eliminate a gap on the side of the cable introduction opening 14.

FIG. 26 is a perspective view of an essential part of a cover of a cable lead-in unit such as a solar cell according to still another embodiment of the present invention as viewed from above. In addition, illustration is abbreviate | omitted about the same structure as the said Example, and only a different point is demonstrated below.
In the cable lead-in unit such as a solar cell according to the present embodiment, the cover side member 23 is provided with a pair of lateral slits 25c at a position having a predetermined distance k from the lower end 21a of the cover top surface member 21, and a pair of longitudinal directions. The upper ends of the slits 25b are continuously provided at the side ends of the pair of lateral slits 25c.
A pair of lateral slits 25 c are provided so as to be inclined with respect to the lower end 21 a of the cover top surface material 21 with the lateral ends of the lateral slits 25 c positioned lower than the center end.

As described above, the cover member 24 formed by bending the cover side member 23 between the pair of longitudinal slits 25b is formed at a position having a predetermined distance k from the lower end 21a of the cover top member 21. 24 and the lower end 21 a of the cover top surface material 21, the cover side surface material 23 of a predetermined distance k remains, so that the cover top surface material 21 can be prevented from being deformed by the reaction force from the cable 31, and the waterstop Can be increased.
In addition, rainwater flowing down from the cover top surface material 21 flows in a direction away from the covering material 24 along the inclination of the lateral slit 25c, so that intrusion of rainwater from the cable 31 can be reduced. Further, according to the present embodiment, when both ends of the covering member 24 are bent by the lateral slit 25c, the sides of the covering member 24 on the cover side member 23 side (formed by the lateral slit 25c) are used. Since the covering surface of the covering member 24 is inclined downward by the parallel side of the cover side surface member 23 being parallel to the surface of the cover side member 23, rainwater flowing from the cover top member 21 to the covering member 24 can be smoothly dropped. it can.
In addition, the space | interval of a pair of vertical direction slit 25b is made narrower than the space | interval of a pair of support plate 15 (refer FIG. 5).
Thus, the gap produced by forming the covering material 24 can be narrowed, and the water stoppage can be increased.

  A cable lead-in unit such as a solar cell according to the present invention may be a metal roof, a slate roof, a double-flow roof, a single-flow roof, or a roof with a different slope. Can be constructed.

1 Building parcel 2 Rafter 3 Field plate 4 Roofing material (metal stand flat)
5 Top clearance 5W Ridge direction clearance 6 Square material 7 Penetration plate 8 Roofing material 9 Purlin 10 Base 11 Base substrate 11X First base substrate 11Y Second base substrate 11Z Base substrate bent portion 12 Base side plate 13 Base flange plate 14 Cable introduction opening 15 Support plate 15a Connection plate 15b Opening reinforcing portion 15X First support plate 15Y Second support plate 15XZ First support plate end surface 15YZ Second support plate end surface 16 Base side cable gripping member 16a Outside Base side cable gripping member 16b Inner base side cable gripping member 17 Elastic material 18 Hanging plate material 20 Cover 21 Cover top surface material 21a Lower end 21X First cover top surface material 21Y Second cover top surface material 21Z Cover top surface material bending portion 22 cover wall surface material 22X first cover wall surface material 22Y second cover wall surface material 22XZ first cover wall surface end surface 22 Z 2nd cover wall end face 23 Cover side face material 23X 1st cover side face material 23Y 2nd cover side face material 24 Cover material 25 L-shaped slit 25a Lateral slit 25b Vertical slit 25c Lateral slit 26 Cover side cable gripping member 26a Outside Cover side cable gripping member 26b Inner cover side cable gripping member 26c Cover side cable gripping member 26d Outer cover side cable gripping member 26e Inner cover side cable gripping member 27 Elastic plate material 28 Long hole 30 Flexible tube 31 Cable 40 Drainage drainage 50 Windbreak plate Intruded plate material 51 Windbreak base fixing plate material 52 Joint plate material 53 Suspension fixing plate material 54 Screw 61 Windbreak base plate 62 Windbreak plate c Diameter h Inner surface height dimension ha Height dimension of outer base side cable gripping member hb Inner base side cable gripping member Height dimension hc hippo Side cable gripping member height dimension hd outer cover side cable gripping member height dimension he inner cover side cable gripping member height dimension k predetermined distance w distance wa outer base side cable gripping member depth dimension hap1 outer base side Height dimension of cable gripping member hbp1 Height dimension of inner base side cable gripping member hcp1 Height dimension of cover side cable gripping member hdp1 Height dimension of outer cover side cable gripping member hep1 Height of inner cover side cable gripping member Dimensions hap2 Height dimension of the outer base side cable gripping member hbp2 Height dimension of the inner base side cable gripping member hcp2 Height dimension of the cover side cable gripping member hdp2 Height dimension of the outer cover side cable gripping member hep2 Inner cover side Cable gripping member height dimension wc Cover side cable gripping member depth Can size

Claims (17)

A base that abuts against the outer surface of the building parcel arranged on the roof top of the building;
A cover arranged above the base,
The base is
A base substrate to be brought into contact with the upper surface of the wing package;
A base side plate hanging from the lower end of the base substrate;
A base flange plate extending from the lower end of the base side plate;
A cable introduction opening formed in the base board;
A pair of support plates provided on the side of the cable introduction opening,
The cover is
A cover top surface material that comes into contact with the pair of support plates;
A cover wall surface material extending in the direction of the base substrate from both side ends of the cover top surface material;
A cable lead-in unit such as a solar cell that guides a cable attached to a solar cell panel or an antenna from the top gap formed on the field board to the inside,
Between the pair of support plates,
A base side cable gripping member attached to the base substrate;
A cover side cable gripping member attached to the cover top surface material,
The cover includes
A covering material facing the base flange plate;
The cable is sandwiched between the base side cable gripping member and the cover side cable gripping member,
A cable lead-in unit for a solar cell or the like, wherein an end portion of a flexible tube for housing the cable is disposed between the base flange plate and the covering material. The cover includes
A cover side member extending from the lower end of the cover top member in the direction of the base flange plate,
The cover side member is provided with a pair of longitudinal slits extending to the lower end of the cover side member,
The cable covering unit for a solar cell or the like according to claim 1, wherein the covering member is formed by the cover side member between the pair of longitudinal slits. The cover side surface material is provided with a pair of lateral slits at a position having a predetermined distance from the lower end of the cover top surface material,
3. The cable lead-in unit for a solar cell or the like according to claim 2, wherein upper ends of the pair of longitudinal slits are continuously provided at side end portions of the pair of lateral slits. 4. The lateral slit of the lateral slit is positioned at a lower position than the central end, and the pair of lateral slits are inclined with respect to the lower end of the cover top surface material, respectively. Cable lead-in unit such as the solar cell described. The cable lead-in unit for a solar cell or the like according to any one of claims 2 to 4, wherein an interval between the pair of longitudinal slits is narrower than an interval between the pair of support plates. The building is a double-flow roof composed of one first roofing material and the other second roofing material,
The base board consists of a first base board corresponding to the first roof material and a second base board corresponding to the second roof material,
The support plate includes a first support plate provided on the first base substrate and a second support plate provided on the second base substrate,
The cover top surface material comprises a first cover top surface material corresponding to the first roof material, and a second cover top surface material corresponding to the second roof material,
The cover wall surface material comprises a first cover wall surface material extending from the first cover top surface material and a second cover wall surface material extending from the second cover top surface material,
The first base substrate and the second base substrate are connected by a base substrate bent portion,
The first cover top surface material and the second cover top surface material are connected by a cover top surface material bent portion,
The first support plate end surface of the first support plate on the second support plate side and the second support plate end surface of the second support plate on the first support plate side overlap each other,
The first cover wall surface end surface of the first cover wall surface material on the second cover wall surface material side and the second cover wall surface end surface of the second cover wall surface material on the first cover wall surface material side overlap each other. The cable lead-in unit such as a solar cell according to any one of claims 1 to 5. The building is a double-flow roof composed of one first roofing material and the other second roofing material,
The cover top surface material comprises a first cover top surface material corresponding to the first roof material, and a second cover top surface material corresponding to the second roof material,
The cover side surface material includes a first cover side surface material extending from the first cover top surface material, and a second cover side surface material extending from the second cover top surface material. A cable lead-in unit such as a solar cell according to any one of claims 2 to 5. At least one of the base side cable gripping member and the cover side cable gripping member is formed of a foamed elastic member,
The cable pull-in unit for a solar cell or the like according to any one of claims 1 to 7, wherein the foamed elastic member is formed with a plurality of slits. As the base side cable gripping member,
An outer base side cable gripping member and an inner base side cable gripping member are provided,
The outer base side cable gripping member is provided on the lower end side of the base board,
The inner base side cable gripping member is provided on the cable introduction opening side,
8. The cable lead-in unit for a solar cell or the like according to claim 1, wherein the cover-side cable gripping member is disposed at a position facing the outer base-side cable gripping member. 9. . 10. The solar cell according to claim 9, wherein a height dimension of the inner base-side cable gripping member is made larger than a height dimension of the outer base-side cable gripping member in a state where the cable is pressed. Cable drawing unit such as. The height dimension of the cover side cable gripping member is made larger than the height dimension of the outer base side cable gripping member in a state where the cable is sandwiched. Cable lead-in unit for solar cells. 12. The cable for a solar battery or the like according to claim 9, wherein a depth dimension of the cover-side cable gripping member is larger than a depth dimension of the outer base-side cable gripping member. Retraction unit. The cable diameter is c, the inner surface height dimension from the base board to the cover top surface material is h, the height dimension of the outer base side cable gripping member in an unloaded state is ha, the inner base board When the height dimension of the side cable gripping member in an unloaded state is hb and the height dimension of the cover side cable gripping member in an unloaded state is hc,
ha is a dimension in a range from 1/4 to 5/4 of h,
hb is a dimension in the range of (hc) or more and (hc) × 4 or less,
13. The cable lead-in unit for a solar cell or the like according to claim 9, wherein hc is a dimension in a range of 2/4 to 10/4 of h. As the cover side cable gripping member,
An outer cover side cable gripping member and an inner cover side cable gripping member are provided,
The outer cover side cable gripping member is provided on the lower end side of the cover top surface material,
The inner cover side cable gripping member is provided on the cable introduction opening side,
The outer cover side cable gripping member is formed of a foamed elastic member without a slit,
14. The cable lead-in unit for a solar cell or the like according to claim 9, wherein the inner cover side cable gripping member is formed of the foamed elastic member having a plurality of slits. It consists of a base that abuts on the outer surface of the building package that is placed on the roof top of the building, and a cover that is placed above the base. The base has a cable introduction opening and a base side cable grip. A cable pulling unit such as a solar cell provided with a cover material and a cover side cable gripping member attached to the cover top surface material.
It is a construction method of a cable lead-in unit such as a solar cell that guides a cable attached to a solar cell panel or an antenna, etc., indoors from a top gap formed on a field plate,
A field opening forming step of forming the top gap in the field plate;
After the field opening formation process, a drainage draining process for constructing a drainage drain covering the outer periphery of the top gap, and
After the drainage draining construction process, a through plate construction process for fastening the through board on both sides of the top gap,
After the through plate construction process, except for the top gap, the building construction process for fixing the covering on the through plate,
A base construction step in which the base is disposed above the top gap, and the base is brought into contact with the outer surface of the wing,
After the base construction process, an entry process for entering the cable into the cable introduction opening and the top gap,
A cover fixing step for attaching the cover to the base after the wire entry step;
In the cover fixing step,
The cable is sandwiched between the base side cable gripping member and the cover side cable gripping member,
A construction method of a cable lead-in unit such as a solar cell, wherein an end portion of a flexible tube for housing the cable is disposed between the base and the covering material. The cover includes
A cover side surface extending from the lower end of the cover top surface material in the direction of the base flange plate,
The cover side member is provided with a pair of longitudinal slits extending to the lower end of the cover side member,
In the cover fixing step,
The cover side material between the pair of longitudinal slits is folded to form the covering material,
The construction method for a cable lead-in unit such as a solar cell according to claim 15, wherein both ends of the covering material are bent in the direction of the flexible tube. A solar cell having an opening for introducing a cable, etc., comprising a base to be brought into contact with the outer surface of a building parcel disposed on the roof top of the building, and a cover disposed above the base. Using the cable lead-in unit
It is a construction method of a cable lead-in unit such as a solar cell that guides a cable attached to a solar cell panel or an antenna, etc., indoors from a top gap formed on a field plate,
A field opening forming step of forming the top gap in the field plate;
After the field opening formation process, a drainage draining process for constructing a drainage drain covering the outer periphery of the top gap, and
After the drainage draining construction process, a through plate construction process for fastening the through board to both sides of the top gap,
After the through plate construction process, except for the top gap, the building construction process for fixing the covering on the through plate,
A base construction step in which the base is disposed above the top gap, and the base is brought into contact with the outer surface of the wing,
After the base construction process, an entry process for entering the cable into the cable introduction opening and the top gap,
A cover fixing step for attaching the cover to the base after the wire entry step;
In the step of forming the field opening, a cable lead-in for a solar cell or the like is characterized in that a ridge line direction gap dimension of the roof top part of the top gap is larger than a ridge line direction opening dimension of the roof top part of the cable introduction opening. Unit construction method.