JP6740769B2 - Strut support structure and solar cell device strut support structure - Google Patents

Description

The present invention relates to a pillar support structure and a solar cell pillar support structure.

2. Description of the Related Art Conventionally, there is known a system for supplying electric power generated from a solar cell module provided at an upper end of a pillar to an electric device provided on a pillar standing outdoors as a power source. Examples of the electric device include a lighting fixture, a lighting advertisement, an electronic bulletin board, and the like.

The support structure for supporting the solar cell module on the upper end of the column generally has the following configuration.
That is, the solar cell module includes a housing and a tubular joint projectingly provided on the housing, and the upper end of the column is inserted into the joint. Further, bolt holes are provided at a plurality of positions on the peripheral surface of the joint, and corresponding to these bolt holes, bolt holes are also provided on the peripheral surface of the upper end portion of the column. By passing a bolt through each of the joints and the bolt holes of the pillar, the joint is fastened to the pillar by bolts, and the solar cell module is fixed to the pillar (for example, refer to Patent Document 1 and Patent Document 2).

JP 61-39583 Japanese Patent No. 5919552

However, in the conventional support structure, there is a problem that the installation direction of the solar cell module in the rotation direction around the axis of the pillar is limited by the positions of the joint and the bolt hole of the pillar. For this reason, the solar cell module could not be installed in the optimum installation direction according to the direction of the sun.
This problem is not limited to the solar cell module, and is common to the case of installing various kinds of equipment whose optimum installation direction (direction) is determined by the surrounding environment on the upper end of the column. Examples of this equipment include lighting equipment, lighting advertisements, electronic bulletin boards, and the like.

An object of the present invention is to provide a strut support structure capable of adjusting the installation direction of an instrument provided on the upper end of a strut to an arbitrary direction, and a solar cell device strut support structure.

The present invention is a strut support structure for supporting an instrument on a tip of a strut provided outdoors, wherein the instrument has a receiving portion for receiving the tip of the strut, and the receiving portion receives the strut. In the state, it has a shape that rotates about the axis of the column, and an exposure hole that exposes the end surface of the tip of the column is formed, and the end surface of the tip of the column is exposed from the exposure hole of the receiving portion. Is provided with a plurality of fastening holes into which fastening members are inserted, and the fastening member is configured such that the edge portion of the exposed hole is the tip surface of the tip of the strut when the fastening member is inserted into the fastening holes. The rotation around the axis of the column is restricted by pressing on, and a convex portion is provided on the end surface of the tip of the column, and the tip of the convex portion is located on the same plane as the edge portion of the exposure hole, It is characterized in that the fastening member comes into contact with the tip of the convex portion when the fastening member is inserted into the fastening hole .

The present invention is characterized in that, in the above-mentioned strut support structure, the receiving portion is housed in the device.

According to the present invention, in the above-mentioned strut support structure, the device is a solar cell device or a lighting device.

The present invention includes the pillar support structure according to any one of the above, and a solar cell device supported at the tip of the pillar, wherein the solar cell device includes a solar cell module having a solar cell, and the sun. A box in which a battery device for storing power generated by a battery is housed and in which the receiving portion is provided is provided, and the box is arranged on the back side of the solar cell module with a gap.

According to the present invention, the installation direction of the device provided on the upper end of the support can be adjusted to any direction.

It is a figure which shows the structure of the outdoor lighting system which concerns on embodiment of this invention, (A) is a front view, (B) is a right side view, (C) is a rear view, (D) is a top view, (E). Is a bottom view. It is a partial cross section figure which shows the structure of the front surface of a solar cell apparatus. It is a rear view of a solar cell device. It is a top view of a solar cell device. FIG. 5 is a cross-sectional view taken along line VV of FIG. 2, showing the configuration of the bottom surface side of the solar cell device. FIG. 6 is a cross-sectional view taken along line VI-VI of FIG. 2, showing a cross-sectional configuration of the solar cell device. It is the elements on larger scale of FIG. 6, (A) is an enlarged view of the A section in FIG. 6, (B) is an enlarged view of the B section in FIG. It is a figure which shows the structure of a pillar support structure. It is an assembly drawing of a pillar support structure. It is a figure which shows the state of a pillar support structure before fixing a solar cell device to a pillar. It is a figure which shows typically the cross-sectional structure of a pillar support structure.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a diagram showing a configuration of an outdoor lighting system 1 according to the present embodiment, FIG. 1(A) is a front view, FIG. 1(B) is a right side view, and FIG. 1(C) is a rear view. 1(D) is a top view and FIG. 1(E) is a bottom view.
The outdoor lighting system 1 is a lighting system that illuminates the outdoors such as a street or a park, and includes a pillar 2, a solar cell device 4, and a lighting fixture 6, as shown in FIG.
The column 2 is installed outdoors, for example, on the ground, and the lower end 2A is provided with a fixing portion 3 fixed to the installation surface with a bolt or the like. A lighting fixture 6 is attached to the column 2 at a position of a predetermined height H from the installation surface, and a solar cell device 4 is fixed to the tip 2B.
The solar cell device 4 is a device that converts sunlight into electric power and supplies the electric power to the lighting fixture 6.
The lighting fixture 6 is a fixture that illuminates from a position of height H, and operates by electric power supplied from the solar cell device 4. It goes without saying that the lighting fixture 6 may be supplied with commercial power.

2 is a partial cross-sectional view showing the configuration of the front surface of the solar cell device 4, FIG. 3 is a rear view of the solar cell device 4, and FIG. 4 is a top view of the solar cell device 4. Further, FIG. 5 is a cross-sectional view taken along the line VV of FIG. 2, and shows the configuration of the bottom surface side of the solar cell device 4. FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG. 2 and shows a cross-sectional structure of the solar cell device 4.
As shown in these drawings, the solar cell device 4 roughly includes a solar cell module 10 and a box 12 arranged on the back side of the solar cell module 10.
Note that, in a partial cross section of FIG. 2, a part of the internal configuration of the box 12 hidden from the front side of the solar cell device 4 to the back side of the solar cell module 10 is shown.

As shown in FIG. 2, the solar cell module 10 has a substantially rectangular plate-shaped module main body 11, and a large number of solar cells 13 are spread over the upper surface 11A of the module main body 11. Is formed on the light receiving surface 14. As shown in FIG. 6, the module main body 11 has a built-in circuit unit 15 that collects the electric power generated by each solar cell 13. A box 12 is provided on the back surface 11B side of the module body 11 as shown in FIGS. 1, 4, and 5.

The box 12 is formed of a metal material such as an aluminum alloy having excellent thermal conductivity and corrosion resistance. As shown in FIGS. 2 and 6, the box 12 includes a battery device 16, a control device 18, and the like. It contains various electric circuits. As shown in FIG. 6, the control device 18 is electrically connected to the circuit unit 15 of the solar cell module 10 via the solar cell cable 17, and the generated power of the solar cell module 10 is stored in the battery device 16. Control.

Here, the box 12 is formed in such a size that it can be hidden behind the solar cell module 10 in both the front view of FIG. 2 and the plan view of FIG. As a result, it is difficult to be exposed to the direct light of sunlight and an increase in the internal temperature of the box 12 is suppressed, so that the internal electric circuit is protected from heat.

7 is a partially enlarged view of FIG. 6, FIG. 7(A) is an enlarged view of part A in FIG. 6, and FIG. 7(B) is an enlarged view of part B in FIG.
In the solar cell device 4, as shown in FIG. 6, the solar cell module 10 is rotatably provided with respect to the box 12.
Specifically, as shown in FIGS. 4 and 7(A), the solar cell module 10 and the box 12 are hinged to each other at the upper end portion 4A of the solar cell device 4 by a pair of hinges 30. Further, as shown in FIGS. 5 and 7B, the solar cell module 10 and the box 12 are locked by the catch clip 32 at the lower end portion 4B of the solar cell device 4. The catch clip 32 is an example of a locking member that locks the solar cell module 10 and the box 12 to each other, and a latch lock or the like may be used instead.
When the catch clip 32 is unlocked, the solar cell module 10 is rotatable about the hinge 30. As shown in FIG. Can be lifted to.

As shown in FIG. 2, a box-shaped opening/closing support fitting 34 is housed in the box 12. The open/close support fitting 34 is a support member that supports the lifted solar cell module 10. Specifically, as shown in FIG. 6, the opening/closing support fitting 34 extends toward the front side (the opening direction side of the solar cell module 10) with one end 34A fixed inside the box 12 and has a tip end. The solar cell module 10 is supported by 34B.

In addition, as shown in FIG. 6, the box 12 includes a box body 40 and a lid 42 that closes the front side of the box body 40 (the side where the solar cell module 10 is arranged).
The lid 42 is coupled to the back surface 11B of the module body 11 of the solar cell module 10, and as shown in FIG. 6, the lid 42 is separated from the box body 40 with the rotation of the solar cell module 10, whereby the box 12 Lid 42 is opened. As shown in FIGS. 6, 7A, and 7B, packing 44 is provided in the gap between the lid 42 and the box body 40 to prevent water and dust from entering. Has been planned.

The joint structure of the lid 42 of the box 12 and the module body 11 of the solar cell module 10 will be described.
As shown in FIGS. 7(A) and 7(B), a fixing member 50 is fixed to the lid 42 at each of the upper end portion 4A and the lower end portion 4B of the solar cell device 4. The fixture 50 has a plate portion 50A that is substantially parallel to the back surface 11B of the module body 11, and the plate portion 50A is fastened to the module body 11 by fastening members 52.
At the upper end portion 4A of the solar cell device 4, the lid 42 and the box body 40 are hinge-coupled to each other by the hinge 30. As a result, as the lid 42 rotates about the hinge 30, the lid 42 is rotated. The module body 11 connected to the fixing bracket 50 rotates integrally. On the other hand, at the lower end portion 4B of the solar cell device 4, the fixing fitting 50 fixed to the lid 42 and the catch clip 32 fixed to the box body 40 are engaged. As a result, the lid 42 is fixed in a state in which the box body 40 is closed as the fixing metal fitting 50 fixed to the module main body 11 is locked to the catch clip 32.

As shown in FIGS. 7A and 7B, a bolt 54 and a nut 56 are used for the fastening member 52 that fastens the fixing bracket 50 to the module main body 11. Further, a spacer member 58 is provided between the plate portion 50A of the fixture 50 and the back surface 11B of the module body 11. A nut is used for the spacer member 58.
The spacer member 58 is a member that provides a gap δ serving as an air layer between the lid 42 of the box 12 and the module body 11 of the solar cell module 10.

By providing the gap δ, direct heat transfer from the solar cell module 10 to the box 12 is prevented, and heat dissipation of the box 12 is promoted by the air flowing through the gap δ. As a result, the rise in the internal temperature of the box 12 is further suppressed. In particular, when the temperature of the solar cell module 10 is greatly increased by direct sunlight during the daytime such as midsummer when the amount of solar radiation is large, the increase in the internal temperature of the box 12 is suppressed as compared with the temperature increase of the solar cell module 10. It should be noted that the spacer member 58 is not limited to the nut as long as it is a member that forms the gap δ, and an arbitrary member such as a bush can be used.

As shown in FIGS. 3 and 6, the solar cell device 4 is provided with a column insertion hole 61 in the back surface 12B of the box 12. The tip 2B of the column 2 is inserted into the column insertion hole 61, and the solar cell device 4 is supported by the tip 2B of the column 2.
Hereinafter, the support structure for supporting the solar cell device 4 on the support 2 will be described in detail.

FIG. 8 is a diagram showing the configuration of the column support structure 60, and FIG. 9 is an assembly diagram of the column support structure 60. FIG. 10 is a diagram showing a state of the column support structure 60 before fixing the solar cell device 4 to the column 2. Further, FIG. 11 is a diagram schematically showing a cross-sectional configuration of the column support structure 60.

As shown in these drawings, the column support structure 60 includes a receiving portion 62 that receives the tip 2B of the column 2, and a plurality of (three in the illustrated example) fastening members 64 that fix the receiving portion 62 to the column 2. Equipped with.
As shown in FIG. 9, the receiving portion 62 has a substantially rectangular parallelepiped box shape with an open bottom side. As shown in FIG. 6, the receiving portion 62 has the open end 63 of the bottom surface facing the pillar insertion hole 61. It is fixed inside the box 12 of the battery device 4. The receiving portion 62 is entirely housed in the box 12 so that it is not exposed to the outside.
On the other hand, at least the tip 2B of the pillar 2 is formed in a columnar shape extending in the central axis Q, as shown in FIG. When the solar cell device 4 is fixed to the column 2, the tip 2B is inserted into the column insertion hole 61 of the box 12 as shown in FIG. 6, and inside the box 12, the open end 63 of the receiving portion 62 is formed. Is inserted into the receiving portion 62.

In the receiving portion 62, the cross section of the portion that receives the tip 2B of the column 2 is formed to be at least sufficiently larger than the cross section of the tip 2B. As a result, even when the tip 2B of the column 2 is inserted into the receiving portion 62, the receiving portion 62 can rotate about the central axis Q of the column 2.

As shown in FIGS. 8 and 9, an end surface (hereinafter, referred to as a “tip surface”) 2T of the tip 2B of the support column 2 has a substantially flat shape, and a protruding convex portion 68 is formed in the center thereof. Has been done. Further, on the front end surface 2T, there are fastening holes around the convex portion 68 and screwed into a plurality of (three in the illustrated example) bolts which are fastening members 64 on a circle R centering on the convex portion 68. 70 is provided.
On the other hand, the receiving portion 62 has a contact surface 66 with which the tip end surface 2T of the support column 2 comes into contact with the back side, and an exposure hole 69 that exposes the tip end surface 2T is formed in this contact surface 66. .. As shown in FIG. 10, each fastening hole 70 is formed at a position exposed from this exposure hole 69. In other words, the exposure hole 69 is formed in a shape (that is, a circular shape having a diameter slightly larger than the circle R) that exposes at least the respective fastening holes 70 of the front end surface 2T.

Then, by inserting a bolt, which is the fastening member 64, into each of the fastening holes 70 from the exposed hole 69 and screwing the bolts, as shown in FIG. 8, each fastening member 64 (more specifically, the bolt head 64A). ) Presses the edge portion 69A of the contact surface 66 of the receiving portion 62 against the tip end surface 2T of the column 2. As a result, the rotation of the receiving portion 62 about the central axis Q of the support column 2 is restricted, and the receiving section 62 is fixed to the support column 2.

Here, as shown in FIG. 11, the tip of the convex portion 68 formed on the tip surface 2T of the support column 2 has the same plane as the contact surface 66 when the tip surface 2T is in contact with the contact surface 66. It is formed in a planar shape located at M (that is, a shape protruding to the same height position as the contact surface 66 ).
Then, when the fastening member 64 is inserted into each of the fastening holes 70, the fastening member 64 (the head portion 64A) comes into contact with the convex portion 68 together with the edge portion 69A of the exposed hole 69 of the contact surface 66, and both of these Will be suppressed.
As a result, even if there is a step between the exposed hole 69 of the contact surface 66 and the front end surface 2T, the fastening member 64 may be screwed in a state oblique to the insertion direction T of the fastening hole 70. Also, the receiving portion 62 can be firmly fixed to the column 2.

In the state before the fastening member 64 is inserted into the fastening hole 70, since the exposure hole 69 is formed in the same shape as the circle R, as shown in FIG. Even if the fastening hole 70 rotates about the central axis Q, the fastening hole 70 is always exposed from the exposure hole 69 and is not hidden.
This allows the receiving portion 62 to rotate about the central axis Q by an arbitrary amount in a state in which the tip 2B of the column 2 is inserted into the receiving portion 62, and the fastening member 64 can be rotated at an arbitrary rotational position. The receiving portion 62 can be fixed to the column 2 by inserting it into the fastening hole 70.

Under such a configuration, the worker performs the following work when attaching the solar cell device 4 to the support column 2. That is, the operator first inserts the tip 2B of the column 2 into the column insertion hole 61 provided in the back surface 12B of the box 12 of the solar cell device 4, and the tip 2B is stored inside the box 12. It is received by the receiving portion 62. In this state, the operator rotates the solar cell device 4 around the central axis Q of the support column 2 to align the light receiving surface 14 with the direction of the sun. Next, the operator opens the lid 42 integrated with the solar cell module 10 to expose the receiving portion 62 (the strut support structure 60) in the box 12. Then, the worker inserts the fastening member 64 into the fastening hole 70 and fixes the receiving portion 62 to the support column 2. Then, the lid 42 is closed together with the solar cell module 10, and the mounting work is completed.

As described above, according to the present embodiment, the receiving portion 62 included in the solar cell device 4 has a shape that rotates about the central axis Q of the pillar 2 while receiving the pillar 2, and An exposure hole 69 is formed to expose the tip surface 2T of the tip 2B of the column 2. Further, a plurality of fastening holes 70 into which the fastening member 64 is inserted are provided in the tip end surface 2T of the support column 2 at a position exposed from the exposure hole 69 of the receiving portion 62. Then, the fastening member 64 presses the edge portion 69A of the exposed hole 69 against the tip surface 2T of the support column 2 as it is inserted into the fastening hole 70, and restricts rotation around the center axis Q of the support column 2. ..

This allows the receiving portion 62 to rotate about the central axis Q by an arbitrary amount in a state in which the receiving portion 62 receives the tip 2B of the column 2, and the fastening member 64 is fastened to the fastening hole at an arbitrary rotational position. The receiving portion 62 can be fixed to the column 2 by inserting it into the column 70. Therefore, the solar cell device 4 can be installed in an appropriate installation direction according to the direction of the sun at the installation location.

Further, according to the present embodiment, the tip surface 2T of the support column 2 is provided with the convex portion 68, and the tip of the convex portion 68 is located on the same plane M as the edge portion 69A of the exposure hole 69, and the fastening member. When the insertion portion 64 is inserted into the fastening hole 70, it comes into contact with the tip of the convex portion 68.
As a result, even if there is a step between the edge portion 69A of the exposed hole 69 and the front end surface 2T, the fastening member 64 may be screwed in a state in which the fastening member 64 is inclined with respect to the insertion direction T of the fastening hole 70. Instead, the receiving portion 62 can be firmly fixed to the column 2.

According to this embodiment, the receiving portion 62 is housed in the box 12 of the solar cell device 4 without protruding from the box 12.
As a result, the receiving portion 62 and the fastening member 64 are not exposed to the outside, the design is improved, and corrosion of the fastening member 64 and the fastening portion by the fastening member 64 can be prevented.

Further, according to the present embodiment, the solar cell device 4 includes the solar cell module 10 and the box 12, and the box 12 is arranged on the back side of the solar cell module 10 with a gap δ.
By providing the gap δ, direct heat transfer from the solar cell module 10 to the box 12 is prevented, and heat dissipation of the box 12 is promoted by the air flowing through the gap δ. As a result, the rise in the internal temperature of the box 12 is further suppressed.

The above-described embodiment is merely an example of one aspect of the present invention, and can be arbitrarily modified and applied within the scope of the gist of the present invention.

For example, in the above-described embodiment, the solar cell device 4 is exemplified as the fixture supported by the tip 2B of the pillar 2 provided outdoors, but the fixture is not limited to this and may be, for example, a lighting fixture. Examples of the lighting equipment include lighting equipment used for crime prevention lighting, street lighting, road lighting, and the like, and lighting signs and lighting advertisements that display various types of information.

1 Outdoor lighting system 2 Strut 2B Tip 2T Tip surface (tip end surface)
4 Solar cell device (apparatus)
6 Lighting equipment (apparatus)
10 solar cell module 11 module body 12 box 12B back surface 13 solar cell 14 light receiving surface 40 box body 42 lid 50 fixing metal fitting 50A plate portion 58 spacer member 60 pillar supporting structure 61 pillar inserting hole 62 receiving portion 64 fastening member 66 abutting surface 68 Convex portion 69 Exposed hole 69A Edge portion 70 Fastening hole M Flat surface Q Central axis T Insertion direction δ Gap

Claims (4)

A support structure for supporting equipment at the tip of a support provided outdoors,
The device has a receiving portion that receives the tip of the column,
The receiving portion has a shape that rotates about the axis of the column in a state of receiving the column, and an exposure hole is formed to expose the end surface of the tip of the column,
On the end surface of the tip of the pillar, a plurality of fastening holes into which fastening members are inserted are provided at locations exposed from the exposure holes of the receiving portion,
The fastening member presses the edge portion of the exposed hole against the tip surface of the tip of the strut with insertion into the fastening hole, and restricts rotation about the axis of the strut,
A convex portion is provided on the end surface of the tip of the pillar,
The tip of the protrusion is located on the same plane as the edge of the exposed hole,
The strut support structure, wherein the fastening member comes into contact with a tip of the convex portion when the fastening member is inserted into the fastening hole . Post support structure according to claim 1, wherein said receiving portion is housed, that in the instrument. The strut support structure according to claim 1 or 2 , wherein the fixture is a solar cell device or a lighting fixture. A column support structure according to any one of claims 1 to 3 ,
A solar cell device supported at the tip of the pillar,
The solar cell device,
A solar cell module having a solar cell;
A battery device that stores the generated power of the solar cell is housed, and a box provided with the receiving portion,
The solar cell device support structure, wherein the box is arranged on the back side of the solar cell module with a gap.

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