JP5532433B2 - Drainage structure of solar panel - Google Patents

Drainage structure of solar panel Download PDF

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JP5532433B2
JP5532433B2 JP2010224943A JP2010224943A JP5532433B2 JP 5532433 B2 JP5532433 B2 JP 5532433B2 JP 2010224943 A JP2010224943 A JP 2010224943A JP 2010224943 A JP2010224943 A JP 2010224943A JP 5532433 B2 JP5532433 B2 JP 5532433B2
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frame
solar cell
water
casing
vertical
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JP2012077542A (en
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元旦 舩木
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元旦ビューティ工業株式会社
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Description

  The present invention relates to a drainage structure for a solar cell panel that can treat rainwater and dew condensation water without using a bowl-shaped drainage member or a crosspiece (vertical crosspiece, horizontal crosspiece) provided with a drainage section.

2. Description of the Related Art Conventionally, two types of solar cell panels known as a pedestal type and a roof material type are known.
The pedestal type solar panel is a structure in which a support pedestal is assembled in a frame shape on an existing roof, and the panel itself does not require rain performance as a roof (not considered) ) And rain is dependent on the existing roof.
The roof type solar cell panel has a saddle-like member that allows rainwater to flow down on the base (base plate, steel frame) together with the crosspieces (vertical crosspieces, horizontal crosspieces) or as an integrated crosspiece. In this structure, a solar cell panel is installed on a crosspiece, and the rain is achieved by connecting hook-shaped members.

The gantry-type solar cell panel has an advantage that it can be applied to various roof surfaces, but on the other hand, since it is installed on the roof, it basically requires a roof and has a problem in design. Compared with this, since the solar cell panel of the said roof material type | mold itself comprises a roof surface, it is excellent in the designability.
The structure proposed in Patent Document 1 is an example of the solar cell panel of the roof material type, and a configuration in which a collar portion (drainage portion) is formed on a rail-like support member is disclosed.

JP-A-7-180310

However, in the structure of Patent Document 1, the presence of a rail-shaped support member provided with a flange is indispensable, and it is necessary to transport and construct a support member, which is a separate member from the solar cell panel, on site. There was a lot of construction work.
Moreover, since the rain closing in this structure is a structure depending on the rail-shaped support member provided with a collar part, sufficient caution and a sealing material are required for the contact etc. to this support member, and this patent document In No. 1, specifically, a packing member and a waterproof tape corresponded thereto.

  Then, this invention proposes the drainage structure of the solar cell panel which can process rain water and dew condensation water without using a bowl-shaped drainage member or a crosspiece (vertical crosspiece, horizontal crosspiece) provided with a drainage part. With the goal.

The present invention has been proposed in view of the above, and has a drainage structure in a solar cell panel composed of a solar energy conversion module and a frame material surrounding its periphery, a frame material arranged on the water side, The frame material arranged on either side has an inner casing (horizontal inner casing, longitudinal inner casing) located on the back side of the solar energy conversion module, and an outer casing located on the outer side (horizontal outer casing, longitudinal outer casing). )), And inner frames of the frame material arranged on the water side and the frame material arranged on either of the left and right sides (= horizontal inner collar and vertical inner collar), outer cages (= Horizontal outer fence and vertical outer fence) are connected to each other, rainwater entering from the gap between the solar panels leads to the outer fence, and condensed water generated on the back side of the solar panel leads to the inner fence. Rainwater and dew condensation water on the outside of the solar panel adjacent to the bottom Be connected to direct relates drainage structure of a solar cell panel according to claim.

  Further, in the drainage structure of the solar cell panel according to the present invention, each frame material arranged on the four sides includes a holding part that holds an edge of the solar energy conversion module, and a vertical piece part that hangs down from the holding part. The present invention also proposes a drainage structure for a solar cell panel, characterized by being provided with.

  Further, in the drainage structure of the solar cell panel according to the present invention, the frame material disposed on the water side is provided with an engagement receiving portion directed to the water side above the holding portion, and is disposed on the water side. The frame member is provided with an engaging portion toward the water side at the lower end of the vertical piece portion, and the engaging portion engages with the engaging receiving portion in the laying state. A structure is also proposed.

  The drainage structure of the solar cell panel of the present invention drains rainwater entering from the gap between the solar cell panels and dew condensation water generated on the back side of the solar cell panel in separate flow paths. It can be led to the outer casing, and the condensed water can be guided to the inner casing, and these rainwater and condensed water can be guided to the outer casing of the lower solar panel. It is possible to perform the work very easily with only the solar cell panel without the need to arrange various kinds of sealing materials, and to perform the rain.

  Moreover, when each frame material arranged on the four sides is provided with a holding part that holds the edge of the solar energy conversion module and a vertical piece part that hangs down from the holding part, rainwater is removed from the outer surface of the vertical piece part. It can be guided to the outer casing through the side, and condensed water can be guided to the inner casing through the inner surface side of the vertical piece.

  Further, when the engagement receiving portion is provided on the frame material arranged on the water side and the engaging portion is provided on the frame material arranged on the water side, the engagement portion is connected to the engagement receiving portion in the laying state. Therefore, when connecting in the flow direction, positioning is performed properly, and it can be temporarily fixed at an appropriate position when fixing screws, and rainwater and condensed water can be reliably guided to the lower solar panel. it can.

(A) The perspective view which shows one Example of the solar cell panel of this invention, (b) The top view. (A) It is a top view which shows the state which connected the said solar cell panel 2 steps | paragraphs in the flow direction, and 2 rows in the direction of a shift, (b) The side sectional view, (c) The front sectional view.

The solar cell panel used for the drainage structure of the solar cell panel of the present invention comprises a solar energy conversion module and a frame material surrounding the periphery thereof, and is arranged on either the left or right side of the frame material arranged on the water side. The frame material is composed of an inner wall (horizontal inner wall, vertical inner wall) that is located on the back side of the solar energy conversion module and continuous in the length direction, and an outer wall that is located on the outer side and is continuous in the length direction. It is the structure with which the eaves (horizontal outer eaves, vertical outer eaves) are each provided.
More specifically, the frame material arranged on the water side is provided with a horizontal inner rod and a horizontal outer rod that are continuous in the length direction, that is, the carry direction (lateral direction), on either one of the left and right sides. The arranged frame material is provided with a longitudinal inner rod and a longitudinal outer rod that are continuous in the length direction, that is, the flow direction (longitudinal direction).

And, inner frame (= horizontal inner frame and vertical inner frame) of the frame material arranged on the water side and the frame material arranged on either one of the left and right sides, outer cages (= horizontal outer frame and vertical outer) Ii) has been contacted.
More specifically, the horizontal inner collar of the frame material arranged on the water side and the vertical inner collar of the frame material arranged on either the left or right side are connected in an inverted L shape and arranged on the water upper side. A horizontal outer casing of the frame member and a vertical outer casing of the frame member arranged on either the left or right side are connected in an inverted L shape.

Each frame material arranged on the four sides is preferably provided with a holding portion for holding the edge of the solar energy conversion module and a vertical piece portion depending from the holding portion.
In this case, rain water can be guided to the outer casing through the outer surface side of the vertical piece portion, and condensed water can be guided to the inner casing through the inner surface side of the vertical piece portion.

  As for the frame material on the water side and the frame material on one side of the left and right, as described above, the inner casing and the outer casing are provided as essential components, but any other configuration may be adopted. Good. In addition, the frame material on the underwater side and the frame material on the other side on the left and right do not necessarily require such a configuration. For example, a simple configuration including a holding portion and a vertical piece portion may be used. Any configuration other than the above may be adopted.

As described above, the solar energy conversion module surrounds its periphery with a frame material, and various types of seal materials may be integrated around the periphery and held by the frame material via the seal material. The configuration and shape are not limited.
As this solar energy conversion module, any solar cell such as polycrystal, single crystal, and amorphous may be used. Generally, a solar cell is composed of a conductive substrate, a back surface reflection layer, a semiconductor layer as a photoelectric conversion member, and a transparent conductive layer. Examples of the conductive substrate include steel plates, copper, titanium, aluminum, stainless steel, and carbon sheets. In addition, a resin film such as polyester, polyimide, polyethylene naphthalide, and epoxy provided with a conductive layer, ceramics, and the like can also be used. The semiconductor layer is not particularly limited, and a compound semiconductor such as an amorphous silicon semiconductor, a polycrystalline silicon semiconductor, a crystalline silicon semiconductor, or copper indium selenide can be used. For example, recently proposed amorphous silicon solar cells having flexibility are preferable because they are extremely thin and lightweight.

Further, it is desirable that the frame material disposed on the water side is provided with an engagement receiving portion directed to the water side above the holding portion, and the frame material disposed on the water side has a lower end of the vertical piece portion. It is desirable to provide an engaging portion toward the water side.
When the engagement receiving portion and the engagement portion are provided in this way, the engagement portion can be engaged with the engagement receiving portion in the laying state, and positioning is properly performed when connecting in the flow direction. In addition, it can be temporarily fixed at an appropriate position when fixing the screw, and rainwater and condensed water can be reliably guided to the lower solar cell panel.

In the drainage structure using the solar cell panel of the present invention having such a configuration, rainwater entering from the gap between the solar cell panels is led to the outer fence (horizontal outer fence, vertical outer fence), and the back side of the solar panel Condensed water generated in is guided to the inner wall (horizontal inner wall, vertical inner wall), and these rainwater and condensed water are connected to the outer wall of the solar panel adjacent to the lower stage.
More specifically, the reverse L-shaped outer casing formed by connecting the horizontal outer casing and the vertical outer casing guides rainwater that enters from the gap of the solar cell panel, and the reverse is formed by connecting the horizontal inner casing and the vertical inner casing. Condensed water generated on the back side of the solar cell panel is guided to the L-shaped inner casing, and the rainwater and condensed water are laid so as to be guided to the outer casing of the solar cell panel adjacent to the lower stage. For example, as shown in the illustrated embodiment to be described later, a solar cell panel having a lower edge formed by cutting out the underwater side of the vertical inner rod and the vertical outer rod formed in the frame material on one side (= shortening the dimensions) By arranging it so as to be located above the outer casing, condensed water and rainwater can be guided to the outer casing of the lower solar cell panel.

  In this drainage structure, rainwater entering from the gap between the solar cell panels and condensed water generated on the back side of the solar cell panel are drained in separate flow paths. Unlike the panel, it is not necessary to separately provide a hook-like member, and various kinds of sealing materials are not required, so that the construction can be performed very easily with only the solar cell panel, and the rain can be accomplished.

  The solar cell panel 1 used in the drainage structure of the present invention comprises a solar energy conversion module 10 (hereinafter referred to as a solar cell) and frame materials 2A to 2D surrounding the periphery thereof, on either the water upper side or the left and right sides. The frame members 2A and 2B are arranged on the back surface side of the solar cell 10 and continuous in the length direction with the inner rods 23 (horizontal inner rods 23A and vertical inner rods 23B) and on the outer side and long. An outer casing 24 (lateral outer casing 24A, vertical outer casing 24B) that is continuous in the vertical direction is provided.

Each frame member 2A to 2D arranged on the four sides of the illustrated embodiment is provided with a holding portion 21 that holds the edge of the solar cell 10 and a vertical piece portion 22 that hangs down from the holding portion 21. .
Further, in the frame material 2A disposed on the right back side in FIG. 1A and on the water side shown in the upper side in FIG. 1B, a horizontal inner wall that is continuous in the length direction, that is, the carry direction (lateral direction). 23A and a lateral outer rod 24A are provided. The frame material 2B arranged on the right front side in FIG. 1A and on the right side in FIG. 1B has a length direction, that is, a flow direction (vertical direction). A vertical inner rod 23B and a vertical outer rod 24B that are continuous in the direction) are provided.
And the inner rods of the frame material 2A arranged on the water side and the frame material 2B arranged on the one side (= the horizontal inner rod 23A and the vertical inner rod 23B), the outer rods (= the horizontal outer rod 24A and the vertical outer rod)樋 24B) is connected in an inverted L shape.
In the drawing, the edge of the solar cell 11 is indicated by a two-dot chain line, but in order to clearly show the shapes of the frame materials 2A to 2D, the solar cell 11 is not present.

The holding portion 21 of the illustrated embodiment is formed in a substantially U shape in each of the frame materials 2A to 2D, and the vertical piece portion 22 is formed in a vertical plane shape.
Further, the inner collar 23 (horizontal inner collar 23A, vertical inner collar 23B) is formed from a substantially horizontal bottom surface and a vertical planar side surface extending inward from the vertical piece portion 22 in the frame materials 2A and 2B, The outer casing 24 (the lateral outer casing 24A and the vertical outer casing 24B) is formed from a substantially horizontal bottom surface and a vertical side surface extending outward from the vertical piece portion 22, respectively.

Further, the frame material 2A disposed on the water side is provided with an engagement receiving portion 25 directed to the water side above the holding portion 21, and the frame piece 2D disposed on the water side has a vertical piece 22. An engaging portion 26 directed toward the water side is provided at the lower end of the head.
Since the engagement receiving portion 25 and the engagement portion 26 are provided as described above, the engagement portion 26 can be engaged with the engagement receiving portion 25 in the laid state as shown in FIG. When connecting in the flow direction, the positioning is properly performed, and it can be temporarily fixed at an appropriate position when fixing the screw, and rainwater and dew condensation water can be reliably guided to the lower solar cell panel 1.

The solar cell panel 1 having such a configuration can be easily connected in a columnar shape in the flow direction and in a parallel shape in the carry direction as shown in FIG.
Moreover, about each frame material 2A-2D, it prepares as an extrusion type material of the cross-sectional shape as shown in figure, respectively, and each length should just be determined according to the dimension (length and width) of the solar cell 10 to be used, The solar cell panel 1 can be easily formed for any size solar cell 10.
In addition, about attachment (fixation of a corner part) of each frame material 2A-2D, it does not specifically limit, Although it is common to attach with a screw stop etc., you may make it fix by welding etc. Good. Moreover, since the operation | work which attaches each frame material 2A-2D to the periphery of the solar cell 10 and forms the solar cell panel 1 does not need to be performed on-site, and can be implemented in a factory, the operation on-site is performed. It can be minimized. For this reason, it is possible to minimize the noise and other problems that occur in the vicinity of the site.

  Further, in this solar cell panel 1, rainwater entering from the gap between the solar cell panels 1 and 1 travels outside the vertical piece 22 and has an inverted L-shaped outer casing 24 (horizontal outer casing 24A, vertical outer casing). 24B) and the condensed water generated on the back side of the solar cell panel 1 is guided to the inverted L-shaped inner rod 23 (horizontal inner rod 23A, vertical inner rod 23B) along the inner side of the vertical piece portion 22. As is apparent from the side sectional view shown in FIG. 2 (b), it is possible to construct a drainage structure in which these rainwater and dew condensation water are connected so as to be guided to the outer casing 24 of the solar cell panel 1 adjacent to the lower stage. Will be explained.

  In the illustrated embodiment, the underwater side of the longitudinal inner collar 23B and the longitudinal outer collar 24B formed on the frame material 2B on one side is cut out (= the dimension is shortened) and the edge of the lower solar panel 1 is formed. Since it is arranged above the outer casing 24, the dew condensation water flowing through the vertical inner casing 23B and the rainwater flowing through the vertical outer casing 24B are reliably guided to the outer casing 24 of the lower solar panel 1.

  As described above, in the drainage structure of the present invention, rainwater entering from the gap between the solar cell panels 1 and 1 and dew condensation water generated on the back side of the solar cell panel 1 are drained in separate flow paths. In addition, it is not necessary to separately arrange a bowl-like member as in the conventional roof material type solar cell panel, and it is extremely easy to construct with only the solar cell panel 1 without requiring various sealing materials. Can fulfill the rain.

Further, as shown in FIG. 2 (c), the lower end of the vertical piece portion 22 of the frame material 2C on the other side is within the outer flange 24 (vertical outer rod 24B) of the frame material 2B on one side at the connecting portion in the left-right direction. The cable 101 that is connected in a positioned state and extends from the terminal box 102 disposed on the back surface side of the solar cell panel 1 above the outer casing 24 (vertical outer casing 24B) can be connected (coupled) freely vertically and horizontally. .
In addition, at the lower end of the vertical piece portion 22 of the frame material 2C on the other side in the illustrated embodiment, a standing portion 221 bent in a substantially horizontal shape is provided on the inner side so as to be stably supported.

In the illustrated embodiment, an attachment portion 27 of the drainage cover 3 is provided at the upper ends of the frame material 2B on one side and the frame material 2C on the other side, and rainwater flows in the flow direction on the upper surface of the drainage cover 3 attached to the attachment portion 27. It was made to flow down.
As long as the drainage cover 3 is attached to the attachment portions 27, 27 formed at the upper ends of the frame members 2B, 2C, the specific configuration, shape, and material are not limited in any way. Thus, the left and right side edges may be bent upward, or may be a simple plate having a certain thickness, and may be made of metal, resin, or elastic rubber.

In this wiring structure, the lower end (standing portion 221) of the vertical piece portion 22 of the frame material 2C on the other side is in the outer flange 24 (vertical outer rod 24B) of the frame material 2B on one side at the connecting portion in the left-right direction. Since the cable 101 of the solar cell panel 1 is connected in the outer casing 24B, the wiring work can be performed near the surface, especially in the case of maintenance or replacement at the time of breakage. Thus, since it is not always necessary to remove the solar cell panel and perform the work as in the case of wiring on the back side, the work can be carried out very easily. As described above, the cables 101 are connected to each other in the flow direction, so that the cable 101 is led from the lower end of the vertical piece portion 22 of the frame material 2B into the lower outer casing 24B, and the lower solar panel. 1 is connected to the cable 101 of the lower solar cell panel 1 by extending the inside of the vertical outer casing 24B.
As described above, in the illustrated embodiment, the cables 101 of the solar cell panels 1 adjacent to each other in the flow direction are connected in the lower vertical casing 24B, and the wiring structure is formed in series in the flow direction (vertical direction). However, the present invention is not limited to this, and the cables 101 of the solar cell panels 1 adjacent in the direction of the girder are connected in the lateral outer casing 24A on the lower side, and the wiring structure is connected in series in the direction of girder (lateral direction). May be formed, or may be connected vertically and horizontally as appropriate.

  In the illustrated embodiment, since the drainage cover 3 is arranged as described above, it is possible to prevent a large amount of rainwater from flowing in when there is a large amount of precipitation such as heavy rain. It is possible to prevent the connected cable 101 from being immersed in rainwater.

DESCRIPTION OF SYMBOLS 1 Solar cell panel 10 Solar cell 101 Cable 102 Terminal box 2A (Water side upper side) Frame material 2B (One side) Frame material 2C (Other side) Frame material 2D (Water side lower side) Frame material 21 Holding part 22 Vertical Single portion 221 Standing portion 23 Inner rod 23A Horizontal inner rod 23B Vertical inner rod 24 Outer rod 24A Horizontal outer rod 24B Vertical outer rod 25 Engagement receiving portion 26 Engaging portion 27 Mounting portion 3 Drain cover

Claims (3)

  1. A solar battery panel drainage structure comprising a solar energy conversion module and a frame material surrounding its periphery,
    The frame material arranged on the water side and the frame material arranged on either the left or right side include an inner rod located on the back side of the solar energy conversion module and an outer rod located on the outer side. Provided respectively, the inner rods of the frame member arranged on the water side and the frame member arranged on either one of the left and right sides, the outer rods are communicated with each other,
    Rainwater entering from the gaps between the solar panels is led to the outer casing, and condensed water generated on the back side of the solar panel is guided to the inner casing, and these rainwater and condensed water are transferred to the solar panel adjacent to the lower stage. A drainage structure for a solar cell panel, wherein the drainage structure is connected so as to lead to an outer casing.
  2.   The frame material arranged on the four sides is provided with a holding portion that holds an edge of the solar energy conversion module, and a vertical piece portion that hangs down from the holding portion. Drainage structure for solar panel.
  3.   The frame material disposed on the water side is provided with an engagement receiving portion directed to the water side above the holding portion, and the frame material disposed on the water surface is disposed on the water side at the lower end of the vertical piece portion. The drainage structure for a solar cell panel according to claim 1, wherein an engaging portion is provided, and the engaging portion is engaged with the engagement receiving portion in a laying state.
JP2010224943A 2010-10-04 2010-10-04 Drainage structure of solar panel Active JP5532433B2 (en)

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001193245A (en) * 1999-10-25 2001-07-17 Matsushita Electric Works Ltd Solar battery frame structure, solar battery roof tile and mounting method therefor, and hot-water supply system using solar energy
JP3485102B2 (en) * 2000-12-19 2004-01-13 松下電工株式会社 Solar cell frame structure
JP4382143B1 (en) * 2009-03-06 2009-12-09 三晃金属工業株式会社 Solar power plant

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