JP2014077288A - Support structure for solar cell module, and solar cell module fixing method subjected to application of the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a support structure that can be structurally simplified and that enables a solar cell module to be efficiently arrayed and fixed on a roof, and a fixing method to which the support structure is applied.SOLUTION: A support structure for arraying a solar cell module on a roof and fixedly supporting it includes a support frame 2 that comprises a retainer part 3 for supporting the solar cell module 1 on its body edge, and a fastener 9 that is held by being detachably inserted into a through aperture 8 formed in the support frame 2 and that sandwiches the body edge of the solar cell module 1 between itself and the retainer part 3 of the support frame 2.

Description

  The present invention relates to a solar cell module support structure and a solar cell module fixing method to which the support structure is applied.

  The solar cell module is generally fixed and supported via a device that can be fixed to the roof plate material. As the structure, for example, a frame of the solar cell module as disclosed in Patent Document 1 is used. There is known a structure including a support frame to be placed and a cover that is detachably provided on the support frame and is disposed so as to be sandwiched between the support frame.

Japanese Patent No. 3776631

  By the way, the support device disclosed in the above-mentioned prior art document 1 has a large number of parts, and an increase in the cost of the parts is unavoidable, and there is a problem that requires a great number of man-hours for mounting work, and an improvement thereof is required. ing.

  An object of the present invention is to propose a solar cell module support structure capable of simplifying the structure and realizing an efficient mounting operation, and a solar cell module fixing method using the support structure. By the way.

  The present invention is a support structure for fixing and supporting a solar cell module on a roof, the support frame having a receiving portion for supporting the solar cell module at the edge of the main body, and the support frame. A support structure for a solar cell module, comprising a fastener that is detachably inserted and held in a through hole, and clamps a main body edge of the solar cell module with a receiving portion of the support frame.

In the support structure of the solar cell module configured as described above,
1) A wedge-shaped plate that clamps the main body edge portion of the solar cell module with the receiving portion of the support frame, with the front end and the rear end exposed from the through-holes as clamping portions. Composed of one piece,
2) A fastener is provided on each of the opposing edges of the base body in an upright posture, and is integrally connected to a pair of side plates that can be elastically displaced toward each other by applying an external force and to the free ends of these side plates. A pair of tongue pieces that can be inserted into the through-holes, and the tip portions of the tongue pieces inserted into the through-holes are used as sandwiching parts, respectively, and the sun is between the sandwiching part and the receiving part of the support frame. Comprising a clip with a hat-shaped cross-section that sandwiches the body edge of the battery module;
3) A cover that is installed on the top surface of the support frame and covers the support frame together with the fastener is provided, and the fastener is accommodated inside the cover, and at least a part of the peripheral wall is brought into contact with the end of the fastener. Forming a recess for retaining the fastener, and further,
4) For the cover, install a snow stop that stands up at the edge of the eaves.
However, it is preferable as a specific means for solving the problems of the present invention.

  According to the present invention, in the method of fixing the solar cell module on the roof by applying the support structure having the above structure (the support structure described in claim 1), the support frame is previously installed on the roof. After connecting to the base, the main body edge of the solar cell module is placed on the receiving portion of the support frame, and then the fastener is inserted into the through hole of the support frame and the inserted fastener and the support frame are received. It is the fixing method of the solar cell module which applied the solar cell module support structure characterized by clamping the main body edge part of a solar cell module between parts.

  Further, the present invention is a method of applying a solar cell module by applying the support structure (support structure described in claim 2) having the above-described configuration and fixing the solar cell module on the roof. After connecting to the base installed in advance on the roof, the main body edge of the solar cell module is placed on the receiving portion of the support frame, and then the fastener made of the wedge-shaped plate-like piece is attached to the support frame The solar cell module main body edge is sandwiched between the receiving portion and the front end portion and the rear end portion of the fastener by being inserted into the through-holes, and a cover having a snow stopper is provided on the support frame. A solar cell module to which a solar cell module supporting structure is applied, wherein the solar cell module supporting structure is arranged so as to cover the support frame together with the fastener and prevent the fastener from coming off. It is a method.

  Furthermore, the present invention is a method for fixing a solar cell module on a roof by applying a support structure (support structure described in claim 3) having the above-described configuration, wherein the tongue piece is formed in the support frame. The tongue piece is inserted into the opening in advance and held to the support frame to prevent the fastener from being attached, and the support frame with the fastener that has been retained is connected to a base previously installed on the roof. A solar cell module fixing method to which a solar cell module support structure is applied is characterized in that a main body edge portion of the solar cell module is fitted and sandwiched between the support portion and the receiving portion of the support frame.

  In the support structure of the solar cell module of the present invention having the above-described configuration, the support structure includes a support frame provided with a receiving portion that supports the main body edge of the solar cell module, and a through opening formed in the support frame. Since it is configured by a fastener that is detachably inserted and held in the hole and clamps the main body edge of the solar cell module with the receiving portion of the support frame, the structure can be simplified and the number of parts can be reduced. It becomes possible.

  Moreover, according to the support structure of the solar cell module of the present invention having the above-described configuration, the fastener is interposed between the receiving portion of the support frame with the front end portion and the rear end portion exposed from the through-holes as clamping portions, respectively. Since it is composed of wedge-shaped plate-like pieces that sandwich the solar cell module body edge, it is possible to fix and support the solar cell module simply by inserting the plate-like pieces into the through-holes of the support frame. Is simple, and the time required for this can be shortened.

  Further, according to the support structure of the solar cell module of the present invention having the above-described configuration, the fasteners are respectively provided in the standing posture at the opposing edge portions of the base body, and elastic in a direction to approach and separate from each other by the addition of external force. A pair of displaceable side plates and a pair of tongue pieces that are integrally connected to the free ends of these side plates and can be inserted into the through-holes, respectively. Since it is composed of a clip having a hat-shaped cross-sectional shape that sandwiches the main body edge of the solar cell module between the sandwiching portion and the receiving portion of the support frame, it is possible to assemble the fastener to the support frame prior to the mounting operation. It is possible to omit the work for that on the roof.

  Further, according to the support structure of the solar cell module of the present invention, a cover is provided which is installed on the top surface of the support frame and covers the support frame together with the fasteners. Since at least a portion is brought into contact with the end portion of the fastener to provide a recess for retaining the fastener, the solar cell module can be fixed and the support portion can be protected from dust and the like. Further, it is possible to reliably prevent the fastener from coming out.

  Since the above-mentioned cover is provided with a snow stop piece that rises at the edge of the eaves side, it can be expected that the snow cover will be prevented from falling when there is snow.

  Further, according to the solar cell module fixing method of the present invention, after connecting the support frame to the base previously installed on the roof, the main body edge of the solar cell module is placed on the receiving portion of the support frame. In this state, the fastener is inserted into the through hole of the support frame so that the edge of the main body of the solar cell module is sandwiched between the receiving portion and the fastener. The solar cell module can be fixed and supported on the support frame by simply inserting it into the hole.

  Further, according to the fixing method according to the present invention, after the support frame is connected to the base previously installed on the roof, the main body edge portion of the solar cell module is placed on the receiving portion of the support frame, and then the wedge A fastener made of a plate-shaped piece of a mold is inserted into the through hole of the support frame, and the main body edge of the solar cell module is sandwiched between the receiving portion and the front end portion and the rear end portion of the fastener, and Since the cover having the snow stopper piece is arranged on the top surface of the support frame so as to cover the support frame together with the fastener and prevent the fastener from coming off, the solar cell module can be easily operated. Can be reliably fixed, and can be expected to be fixed, protected from dust at the support portion, and prevented from falling off snow.

  Further, according to the solar cell according to the present invention, according to the fixing method of the joule, the tongue piece is previously inserted into the through-hole formed in the support frame, and the fastener is held in the support frame so as to prevent it from coming off. After connecting the support frame with the attached fastener to the base installed in advance on the roof, the main body edge of the solar cell module is inserted and sandwiched between the tip of the tongue and the support of the support frame Therefore, the solar cell module can be fixed and supported easily and reliably.

It is the figure which showed typically the front of the support structure of the solar cell module according to this invention about a single support frame. It is the external appearance perspective view which showed the support structure shown in FIG. 1 in the decomposition | disassembly state. It is the figure which showed independently the support frame of the support structure shown in FIG. It is the figure which showed the state attached to the base installed in the support structure according to this invention on the roof. It is the figure which showed the state which arranged the solar cell module on the roof about a part. It is the figure which showed other embodiment of the support structure according to this invention. It is an external appearance perspective view of the fastener which comprises the support structure shown in FIG. It is an external appearance perspective view of the support structure shown in FIG. It is the figure which showed the assembly | attachment condition of the support structure shown in FIG. It is the figure which showed the assembly | attachment condition of the support structure shown in FIG.

Hereinafter, the present invention will be described more specifically with reference to the drawings.
FIG. 1 is a diagram schematically showing the front of a support structure of a solar cell module according to the present invention for a single support frame, and FIG. 2 is an external perspective view showing the support structure shown in FIG. 1 in an exploded state. FIG. 3 is an external perspective view showing the support frame alone.

  Reference numeral 1 in FIGS. 1 to 3 denotes a solar cell module to be arranged and fixed and supported on the roof. This solar cell module (solar cell panel) is composed of a module main body 1a and a frame 1b surrounding the edge of the module main body 1a (components such as cables are not shown).

Reference numeral 2 denotes a support frame that supports the solar cell module 1 at its main body edge (frame 1b). The support frame 2 has a pair of leg portions 2a provided with flanges f arranged so as to face each other at the lower end thereof, and a plate-like ceiling that integrally connects the leg portions 2a at the upper portion thereof. A groove portion m opened downward is formed inside the plate 2b and surrounded by the leg portion 2a and the top plate 2b. Further, the widthwise central portion of the top plate 2b, as well as projecting toward the upper, grooved cross section 2c which groove m ₁ is formed leading into the groove m is provided.

The groove-shaped cross-section portion 2c has a narrow width W ₁ than the width W of the top plate 2b, a pair of wall portions 2c ₁ erected on the top plate 2b at intervals, the wall portion 2c ₁ consisting top panel wall 2c ₂ connecting mutually the respective upper end portions of the.

  3 is a receiving part formed in the upper surface of the top plate 2b. This receiving part 3 consists of a flat part which pinches | interposes the groove type cross-sectional part 2c on both sides, and the main body edge part of the solar cell module 1 is mounted here.

  A plurality of the support frames 2 are arranged as appropriate in the roof eaves, the ridge direction, or the eave direction according to the number of installed solar cell modules 1, and a base such as a bolt is installed and fixed in advance on the roof. It is fixed via fastening means.

FIG. 4 shows a configuration example of a base suitable for arranging and fixing the support frame 2.
As a base, for example, a pair of vertical flat roof plate members (a portion where the lower plate 4a and the upper plate 4b are fitted and the roof plate members are joined together), and can be connected and fixed to the base portion A structure having a leg portion 5 and a base 7 integrally connected to the upper end of the leg portion 5 via a connecting bolt 6 and capable of being linked to the support frame 2 via a bolt on a side wall 7a of the base 7 is provided. Applied.

Also, 8 is a groove type cross section 2c walls 2c ₁ of the lateral slit-like through openings provided at a plurality of locations of the respective position facing, 9, insert detachably held in the through-opening 8 It is a fastener.

  The fastener 9 clamps the main body edge of the solar cell module 1 with the receiving portion 3. In this embodiment, as shown in FIG. 2, the wedge 9 is a wedge-shaped tip having a tapered tip. A plate-like piece is shown as an example. When a wedge-shaped plate-like piece is applied as the fastener 9, the front end portion 9 a and the rear end portion 9 b exposed from the through hole 8 function as clamping portions.

Further, 10 is disposed on the top panel wall 2c ₂ of the channel cross section 2c which constitutes the supporting frame 2, a cover which covers with fasteners 9 the support frame 2. The cover 10 is abutted against the fastener 9 to the rear surface has a recess 10a which can fit inside the end portion 9c of the fastener 9 at least a portion of the peripheral wall 10a ₁ of recess 10a This prevents the fastener 9 from coming out of the through hole 8. Cover 10 is secured to the top wall 2c ₂ of the channel cross section 2c via such fastening means of the bolt.

  Reference numeral 11 denotes a snow stop piece that can be appropriately provided at the eaves side edge of the cover 10. The snow stopper piece 11 is provided integrally with the cover 6 and extends as an example over the entire length of the cover 10 in the longitudinal direction. However, the snow stopper piece 11 may be provided intermittently at intervals. it can.

In order to arrange and fix the solar cell module 1 on the roof by applying the support structure having the above structure, first, a support frame is mounted on a base having a structure as shown in FIG. After connecting 2, the main body edge of the solar cell module 1 is placed on the receiving portion 3 of the support frame 2, and then the fastener 9 is inserted into the through hole 8. Then, further, it may be connected via a bolt by placing cover 10 on the top panel wall 2c ₂ of the channel cross section 2c.

  The support structure of the solar cell module according to the present invention is a simple operation of simply inserting the fastener 9 into the through-hole 8 after the main body edge of the solar cell module 1 is placed on the receiving portion 3, and its tip portion. 9a, the rear edge portion 9b and the receiving portion 3 can sandwich the main body edge of the solar cell module 1, whereby the solar cell module 1 is firmly fixed to the support frame 2. Become.

When a wedge-shaped plate-like piece is applied as the fastener 9, it cannot be said that the plate-like piece does not come out of the through-hole 8, so the fastener is attached to the peripheral wall 10 a ₁ of the recess 10 a formed in the cover 10. It is preferable to keep the end portion 9c of 9 in contact with each other (see FIGS. 1 and 2), so that the withdrawal of the fastener 9 from the through hole 8 is reliably avoided.

  FIG. 5 shows a part of a state in which the bases are arranged at intervals from the eaves side of the roof to the ridge side, the support frame 2 is fixed to each base, and the solar cell modules 1 are arranged on the roof.

  In particular, with respect to the support structure located on the eaves of the roof, as shown in FIG. 5, a curtain board (decorative board) 12 that is integrated with the cover 10 can be provided on the eaves side edge of the cover 10.

  FIGS. 6-8 is the figure which showed other embodiment of the support structure according to this invention. This example is an example in which a fastener made of a clip having a hat-shaped cross-sectional shape is applied.

  The fasteners 9 are respectively provided in an upright posture at the opposing edge portions of the plate-like base 9d, and a pair of side plates 9e that can be elastically displaced in the direction of approaching and separating from each other by the addition of an external force, and the free side of the side plates 9e. And a pair of tongue pieces 9f that are integrally connected to the ends and can be inserted into the through-holes 8 respectively.

  In the fastener 9 having the above-described configuration, the tip end portion of the tongue piece 9f inserted into the through-opening hole 8 (the portion exposed from the through-opening hole 8) functions as a sandwiching portion. The main body edge portion of the solar cell module 1 is sandwiched between the portion 3 and the attachment is performed by inserting the main body edge portion of the solar cell module 1 into a gap formed by the tongue piece 9f and the receiving portion 3. It ’s as simple as inserting it.

  In order to fix the solar cell module 1 to the support frame 2 using the support structure including the fastener 9 having the above-described configuration, before fixing the support frame 2 to the base, first, as shown in FIG. A tongue piece 9f is inserted into the through-hole 8 through the groove portion m while elastically displacing the side plates 9e of the fastener 9 so as to approach each other, and the fastener 9 is held on the support frame 2 to prevent it from coming off.

  If the fastener 9 is held on the support frame 2, the support frame 2 is connected to a base installed on the roof, and then the main body edge of the solar cell module 1 is attached to the base as shown in FIG. What is necessary is just to insert between the receiving part 3 of the support frame 2, and the tongue piece 9f. As a result, the solar cell module 1 is fixed to the support frame 2.

  In the case of a structure using a clip as the fastener 9, there is no concern that the tongue piece 9f of the fastener 9 will come out of the through hole 8, so that the installation of the cover 10 can be omitted. In the case where the cover 10 is provided, the case 12 is provided, etc., the cover 10 can be appropriately arranged as necessary, and this point is not limited.

  Each member constituting the support structure according to the present invention is applicable to, for example, a galvanized steel plate or a stainless steel plate having excellent corrosion resistance and relatively high strength. Moreover, although it is possible to apply the same member also about the cover 10, it is preferable to apply an aluminum member from a viewpoint of weight reduction.

  ADVANTAGE OF THE INVENTION According to this invention, the structure can be simplified and the support method which can arrange and fix a solar cell module efficiently, and the fixing method which applied the support structure can be provided.

DESCRIPTION OF SYMBOLS 1 Solar cell module 1a Module main body 1b Frame 2 Support frame 2a Leg part 2b Top plate 2c Groove-shaped cross-section part 3 Receiving part 4 Haze part 5 Leg part 6 Connection bolt 7 Base 7a Side wall 8 Through-hole 9 Fastening 9a Tip part 9b Rear end portion 9c End portion 10 Cover 10a Recess 11 Snow stop piece 12 Curtain plate m Groove portion m ₁ Groove portion f Flange

Claims (8)

A support structure for arranging and fixing solar cell modules on a roof,
A support frame having a receiving portion for supporting the solar cell module at its main body edge, and a through-hole formed in the support frame is detachably inserted and held, and the main body edge of the solar cell module is supported by the support frame. A support structure for a solar cell module, comprising a fastener sandwiched between the receiving portion of the solar cell module.   The fastener includes a front end portion and a rear end portion exposed from the through-holes as a sandwiching portion, and a wedge for sandwiching a main body edge portion of the solar cell module between the sandwiching portion and the receiving portion of the support frame. It consists of a plate-shaped piece of a type | mold, The support structure of the solar cell module of Claim 1 characterized by the above-mentioned. The fasteners are provided in standing postures at opposite edges of the base body, and are integrally connected to a pair of side plates that can be elastically displaced in the direction of approaching and separating from each other by the addition of external force, and to the free ends of these side plates, respectively. A pair of tongue pieces that can be inserted into the through hole,
A clip with a hat-shaped cross-section that sandwiches the main body edge portion of the solar cell module between the sandwiching portion and the receiving portion of the support frame, with the tip portions of the tongue pieces inserted into the through-holes as sandwiching portions, respectively. The support structure for a solar cell module according to claim 1, comprising:   A cover that is installed on the top surface of the support frame and covers the support frame together with the fastener; the cover accommodates the fastener inside; and at least a part of the peripheral wall abuts against an end of the fastener. The support structure for a solar cell module according to any one of claims 1 to 3, further comprising a recess for retaining the fastener.   The support structure for a solar cell module according to claim 4, wherein the cover has a snow stop piece that rises at an edge on the eaves side. In the method of fixing the solar cell module on the roof by applying the support structure of the solar cell module according to claim 1,
After the support frame is connected to a base installed in advance on the roof, the main body edge of the solar cell module is placed on the receiving portion of the support frame, and then the fastener is opened through the support frame. A solar cell module fixing method to which a solar cell module support structure is applied, characterized in that a main body edge of the solar cell module is sandwiched between a fastener inserted into the hole and a receiving portion of the support frame. In the method of fixing the solar cell module on the roof by applying the support structure of the solar cell module according to claim 2,
After the support frame is connected to a base installed in advance on the roof, the main body edge of the solar cell module is placed on the receiving portion of the support frame, and then the wedge-shaped plate-shaped piece is fixed. The tool is inserted into the through-hole of the support frame, and the main body edge of the solar cell module is sandwiched between the front end and rear end of the inserted fastener and the support frame receiver, A cover having a stop piece is disposed on the top surface of the support frame to cover the support frame together with the fastener and to hold the fastener in place. Fixing method of solar cell module. In the method of fixing the solar cell module on the roof by applying the support structure of the solar cell module according to claim 3,
The tongue piece is inserted into a through-hole formed in the support frame in advance so that the fastener is retained on the support frame, and the support frame with the retainer retained on the roof is previously placed on the roof. After connecting to the installed base, the solar cell module support structure is applied, in which the main body edge of the solar cell module is inserted and sandwiched between the tip of the tongue and the receiving portion of the support frame. Fixing method of solar cell module.

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