JP2002004517A - Connecting structure of equipment installed on roof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability and safety in the case of installation onto a roof of a solar cell module, and to realize excellent maintenance properties. SOLUTION: A joint element (36) is interposed between the eaves side end section of the solar cell module (1) on the ridge side and a roofing material (60), an inserting space (70) is formed between the eaves side end section and the roofing material (60) by upwards lifting the eaves side end section of the solar cell module (1) on the ridge side by the urging force of the joint element (36), and the eaves side end section of the solar cell module (1) on the ridge side is fixed to the ridge side end section of the solar cell module (1) on the eaves side inserted into the inserting space (70) by a bolt (50) so as to be pushed against the urging force of the joint element (36).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure for rooftop equipment such as a solar cell module and a solar water heater module.

[0002]

2. Description of the Related Art In recent years, the number of houses in which a solar cell module is installed on a roof to obtain electric power by solar power generation is increasing. In this type of house, when installing the solar cell module on the roof, it is desirable in terms of appearance to give a sense of unity between the solar cell module and the roofing material.

[0003] Therefore, a large number of solar cell modules are arranged in a step-like manner like a roofing material by overlapping the eaves-side end of the solar cell module on the ridge side with the ridge-side end of the solar cell module on the eaves side. A structure that is designed to be installed has been proposed.

[0004]

When the solar cell modules are installed stepwise as described above, if the solar cell module on the ridge side is installed on the roof prior to the eaves side, the solar cell module on the ridge side is installed. In general, it is necessary to move the eaves side from the eaves side to the ridge side because it is necessary to perform complicated work such as inserting the ridge side end of the solar cell module on the eaves side while lifting the eaves side end. The solar cell module is installed. However, in this case, the worker has to install the solar module in a state facing the eaves side, which involves a risk of falling from the roof.

[0005] In addition, when the solar cell modules are installed in a step-like manner, if one of them is to be removed, it is necessary to remove several of the surroundings.
There were also problems such as difficulty in removing the solar cell module and poor maintenance.

Accordingly, the present invention solves the above-mentioned disadvantages, and can improve the workability and safety when installing rooftop equipment on a roof, and can achieve good maintenance performance. An object of the present invention is to provide a device connection structure.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a connection structure for connecting rooftop equipment adjacent to each other along a roof inclination direction, and includes a rooftop equipment on a ridge side. A connecting device is interposed between the eaves-side end of the building and the roofing material, and the eaves-side end of the rooftop equipment on the ridge side is lifted upward by the urging force of the connecting device. An insertion space is formed between the roof material and the roof-side equipment on the eaves side to insert the ridge-side end of the equipment on the eaves side. The eaves-side end of the rooftop equipment is fixed with a fixture so as to be pressed against the urging force of the connector.

[0008] The connecting device is composed of a base fixed to the roof material and a spring piece provided on the base, and is a fixing tool inserted from above into the eave-side end of the rooftop equipment on the ridge side. By screwing the bolt into the base, the pressing is performed against the urging force of the spring piece.

The base of the connector is formed by bending a metal band plate into a substantially U-shape, and the spring piece is formed by processing a part of an upper surface piece having a bolt screw hole in the base. It becomes.

Further, an engaging groove opened toward the ridge side is formed at the eave-side end of the rooftop equipment on the ridge side, and the upper piece and the spring piece of the connecting tool are inserted into the engaging groove. ing. Furthermore, the rooftop equipment is a solar cell module.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings. Solar cell module (1) as roof equipment according to an embodiment of the present invention (1) (1) ...
As shown in FIG. 3, is installed on one roof surface of a gable type roof (for example, a roof surface facing the south side) together with roofing materials (2) (2).

As shown in FIG. 4, each solar cell module (1) has a rectangular solar cell panel (20) and a rectangular metal module frame surrounding the solar cell panel (20).
(21). The solar cell panel (20) is an array of necessary cells (basic units of solar cells) made of polycrystalline silicon and covered with tempered glass for outdoor use. The cell is not limited to polycrystalline silicon, but may be monocrystalline silicon, amorphous silicon, or the like.

The module frame (21) comprises upper and lower frame members (22) and (23) and a pair of left and right side frame members connecting both ends of the upper and lower frame members (22) and (23).
(24) and (24) are formed in a rectangular frame shape. These frame members (22), (23), (24) and (24) are formed by extrusion of aluminum.

As shown in FIGS. 1 and 2, the upper frame member (22) is composed of a main body (25) having a rectangular closed cross section and this main body (25).
(25) A pair of panel holding pieces (26) (26) extending horizontally from the side of the panel (20) side, and a pair of leg pieces (27) (27) ( 27). The upper end of the solar cell panel (20) is fitted into the gap between the panel holding pieces (26) (26) via a cushion material.

The lower frame member (23) includes a main body (30) having a rectangular closed cross section, an L-shaped panel holding piece (31) extending from the upper surface of the main body (30), and a main body (30). From the bottom of the panel (2
A fastening piece (32) extending horizontally to the side opposite to (0) and a pressing piece (33) that is folded back from the tip of the fastening piece (32) and extends horizontally toward the panel (20). The lower end of the solar cell panel (20) is fitted into the gap between the upper surface of the main body (30) and the panel holding piece (31) via a cushion material. Also,
Bolt insertion holes (37), (37) are formed in the fastening piece (32), and the fastening piece (32) and the pressing piece (33) engage with the engagement piece opened to the panel (20) side. A groove (35) is formed.

On the lower frame member (23), connecting members (36) and (36) for connecting to the solar cell module (1) on the eaves side adjacent in the roof inclination direction are attached at appropriate intervals. It has become.

As shown in FIG. 5, the connecting tool (36) comprises a base (41) formed by bending a metal band plate into a substantially U-shape, and is integrally formed with the base (41). And a spring piece (42) formed. The base (41) has an upper surface piece (43) and a lower surface piece (44) facing each other.
And a connecting piece (45) for connecting one end of the upper piece (43) and one end of the lower piece (44). In the center of the tip of the upper piece (43), there is a bolt insertion hole for the fastening piece (32) of the lower frame material (23).
A bolt screw hole (46) corresponding to (37) is formed. A long hole (47) into which a nail for temporary fixing is driven is formed in the center of the distal end of the lower surface piece (44), and three screws are inserted on the base end side of the long hole (47). Holes (48) (48) are formed.

The spring piece (42) is formed by processing a part of the upper surface piece (43) of the base (41). That is,
Make two parallel cuts (49) and (49) from the distal end to the base end of the upper surface piece (43), and bend the upper part outside the cuts (49) and (49) upwards. It is formed by doing.

As shown in FIG. 6, the connecting member (36) connects the upper surface piece (43) and the spring piece (42) of the base (41) to the lower frame material (2).
A bolt (50) as a fixture inserted into the engagement groove (35) of 3) and inserted into the bolt insertion holes (37) (37) of the fastening piece (32) of the lower frame member (23). Into the bolt screw hole (46) of the upper surface piece (43) of the base (41) so that the lower frame material is
Attached to (23). In addition, in FIG. 6, (51) is a grounding metal fitting attached to the pressing piece (33) of the lower frame member (23).

The side frame member (24) is, as shown in FIG.
A vertical piece (55), a pair of panel holding pieces (56) (56) extending from the side of the vertical piece (55) on the panel (20) side, and a vertical piece (55).
Three protruding pieces extending from the side opposite to the panel (20) side
(57) (57) ...

The construction of the solar cell modules (1) (1)... Thus constructed on the roof is performed as follows. First, as shown in FIG. 7, the solar cell modules (1), (1),... Located closest to the ridge side, the upper frame member (22) is on the ridge side, and the lower frame member (23) is on the eave side. The side frame members (24) and (24) are set on the gantry (61) (61) fixed to the roof material (60) so as to face. Then, the connectors (36) (36) temporarily fixed in advance to the lower frame member (23) of each solar cell module (1) are aligned with the black ink line, and the lower surface pieces (44) (44) Roof (60) from slot (47) (47)
The nail is temporarily fixed to the roofing material (60) by driving a nail. The temporary fixing of the connectors (36) (36) is performed by inserting the bolt (50) inserted into the bolt insertion hole (37) (37)... Of the fastening piece (32) of the lower frame member (23) on the upper surface. Screw holes (4)
This is done by screwing it into 6)
The screwing amount of (50) is suppressed to such an extent that the spring piece (42) is not deformed or slightly elastically deformed.

After the joint adjustment between the solar cell modules (1) (1) is performed, the screw insertion holes (48) (48) of the lower surface member (44) of the connector (36) are inserted from above. Inserted screw (63) (63)
... as shown in FIG. 1 and FIG.
Screw the fitting (36) onto the roofing material (60) by screwing it into (64).
Fixed to. In addition, a joint material (65) and a decorative material (66) are attached between the solar cell modules (1) (1) adjacent in the girder direction to close the joint gap.

In each of the solar cell modules (1) on the furthest ridge side installed in this way, as shown in FIG. 2, a connector (36) is provided between the eaves-side end and the roofing material (60). (36) is interposed, and the spring pieces (42) (42) are connected to the fastening pieces (3) of the lower frame member (23).
2), and the eaves-side end is lifted upward by the urging force of the spring pieces (42), (42).
As a result, between the eaves-side end of the solar cell modules (1) (1).
(1) (1)… Solar cell module installed on the eaves side
(1) An insertion space (70) is formed in which the ridge side end of (1) can be smoothly inserted.

Subsequently, a new solar cell module (1)
(1). While inserting the ridge side end, that is, the upper frame member (22) into the insertion space (70), the side frame members (24) (24)
Is mounted on the gantry (61) (61) fixed to the roofing material (60). Then, as described above, the temporary fixing of the connector (36), the joint adjustment between the solar cell modules (1), (1)... Are performed, and the connectors (36) (36) in each solar cell module (1).
After fixing the screws (63) (63) to the roofing material (60), bolts (50)
(50) is further screwed in and fully tightened.

Then, as shown in FIG. 1, the fastening piece of the lower frame member (23) in the solar cell module (1) on the ridge side.
(32) pushes the spring pieces (42) and (42) of the connectors (36) and (36) downward against the urging force thereof, and presses the pressing pieces of the lower frame member (23).
(33) moves downward to narrow the insertion space (70),
It is pressed onto the ridge end of the solar cell module (1) on the eaves side, that is, onto the upper frame material (22). Thereby, the eave-side ends of the solar cell modules (1) (1) on the ridge side and the ridge-side ends of the solar cell modules (1) (1) on the eave side are connected in an overlapping state. .

Thus, the solar cell module (1)
(1) By installing sequentially from the ridge side to the eaves side,
As shown in FIG. 3 and FIG. 8, the solar cell modules (1) (1) on the ridge side and the eave side are overlapped, and a large number of solar cell modules (1) (1). ) (2) ... It is constructed in a stepwise manner.

When the individual solar cell modules (1) are to be removed for replacement, repair, or inspection after the above construction, first, as shown in FIG. 9, the solar cell modules (1) to be removed are removed. Loosen the bolts (50) and (50) in the solar cell module (1) on the first ridge side. Then, the lower frame member (23) of the solar cell module (1) on the ridge side was automatically lifted and narrowed by the urging force of the spring pieces (42) (42) of the connecting members (36) (36). Insertion space
(70) is spread, and the connection with the solar cell module (1) on the ridge side is released. Similarly, remove the bolts (50) and (50) that have been fully tightened in the solar cell module (1) to be removed, and connect the solar cell module (1) on the eaves side with respect to the solar cell module (1). To release.

In this state, the solar cell module (1) to be removed has a lower frame member (23) having a roof material.
Screws (63), (63) are engaged with the connecting tools (36), (36) fixed to (60). That is, the lower frame material (2
The upper surface pieces (43) and (43) and the spring pieces (42) and (42) of the connectors (36) and (36) are inserted into the engagement grooves (35) of (3). However, since the engaging groove (35) is open to the ridge side, as shown in FIG. 10, by pulling out the solar cell module (1) to be removed toward the eaves side, the connecting tool (36) is removed. Pull out the upper surface piece (43) and the spring piece (42) from the engagement groove (35),
The solar cell module (1) can be removed. And new or after inspection and repair solar cell module
To attach (1) again, contrary to the above-mentioned removal operation, while inserting the upper frame material (22) into the insertion space (70) in the solar cell module (1) on the ridge side,
At (35), the upper pieces (43) (43) and the spring pieces (42) of the connectors (36) (36)
(42) so that the lower frame material (23) is connected
(36) Engage with (36). In this state, by fully tightening the bolts (50) (50) on the ridge side and the eave side, the solar cell module (1) can be mounted as before.

It should be noted that the present invention is not limited to the above-described embodiment, and it goes without saying that many modifications and changes can be made to the above-described embodiment within the scope of the present invention. For example, the rooftop equipment installed on the roof is not limited to a solar cell module, but may be a solar water heater module.

[0030]

As is apparent from the above description, according to the present invention, the eaves-side end of the rooftop equipment on the ridge side is lifted upward by the urging force of the connecting tool to form an insertion space. The roof-side equipment on the eaves side is inserted into the space on the ridge side, so the roof-top equipments are installed sequentially from the ridge side to the eaves side without the need for complicated work as in the past. be able to. Therefore, the worker can face the ridge side and perform the installation work of the solar module,
Thereby, workability and safety can be improved.

Also, the eave-side end of the rooftop equipment on the ridge side is pressed against the ridge-side end of the rooftop equipment on the eaves side inserted into the insertion space, against the urging force of the connector. Loosen or remove these bolts to automatically lift the eaves-side end of the rooftop equipment on the ridge side by the urging force of the connector, and release the connection between these ends. Can be. Therefore, it becomes possible to remove the rooftop equipment installed in a staircase one by one, thereby simplifying replacement, inspection, and repair, and improving the maintainability.

Further, the connecting device has a simple structure in which a metal strip is bent, so that the construction cost can be reduced. In addition, if the upper surface piece and the spring piece of the connector are inserted into the engagement groove formed at the eaves end of the roof side equipment on the ridge side and opened toward the ridge side, the roof equipment equipment can be used. By pulling out to the eaves side, the eaves-side end of the rooftop equipment can be easily removed from the connector fixed to the roof, thereby further improving maintainability.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a connection structure of a solar cell module according to an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of the connection release state.

FIG. 3 is a perspective view showing a state where the solar cell module is installed on a roof.

FIG. 4 is a perspective view of a solar cell module.

FIG. 5 is a perspective view of a connector.

FIG. 6 is a perspective view showing a state in which the connecting member is attached to a lower frame member of the solar cell module.

FIG. 7 is a perspective view showing a solar cell module during construction.

FIG. 8 is a longitudinal sectional view showing a state where the solar cell module is installed on a roof.

FIG. 9 is a longitudinal sectional view showing a state when a solar cell module is removed.

FIG. 10 is a longitudinal sectional view showing a state when a solar cell module is removed.

[Explanation of symbols]

 (1) Roof equipment (solar cell module) (35) Engagement groove (36) Connector (41) Base (42) Spring piece (46) Bolt screw hole (50) Fixture (bolt) (60) Roof Lumber (70) Insertion space

Claims (5)

[Claims] 1. A connection structure for connecting rooftop equipment adjacent to each other along a roof inclination direction, wherein a connection tool is interposed between a roof material and an eaves end of the rooftop equipment on the ridge side. Then, the eaves end of the rooftop equipment on the ridge side is lifted upward by the urging force of the connecting device, so that the ridge end of the rooftop equipment on the eaves side is located between the eaves end and the roofing material. An insertion space is formed to insert the part, and the eaves-side end of the rooftop equipment on the ridge side resists the urging force of the connecting device against the ridge-side end of the rooftop equipment on the eaves side inserted into this insertion space. A connection structure for rooftop equipment, characterized in that the rooftop equipment is fixed by a fixing tool so as to be pressed. 2. The connecting device comprises a base fixed to a roofing material and a spring piece provided on the base, and serves as a fixing tool inserted from above into an eave-side end of a rooftop equipment on the ridge side. 2. The connection structure for rooftop equipment according to claim 1, wherein the pressing is performed against a biasing force of a spring piece by screwing a bolt into the base. 3. The base of the connection tool is formed by bending a metal band plate into a substantially U-shape, and the spring piece is formed by processing a part of an upper surface piece having a bolt screw hole in the base. The connection structure for rooftop equipment according to claim 2. 4. An engaging groove opened toward the ridge side is formed at the eave-side end of the rooftop equipment on the ridge side, and a top piece and a spring piece of the connecting tool are inserted into the engaging groove. The connection structure for rooftop equipment according to claim 3. 5. The rooftop equipment connection structure according to claim 1, wherein the rooftop equipment is a solar cell module.