JP2001049908A - Protective fence - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a protective fence to improve the power generating efficiency of a solar battery, and provide the soundproof function. SOLUTION: This protective fence 1 comprises a solar battery module 10 having frames 12 of polygonal section with a solar battery 11 provided on its outer peripheral surface, and a support member 50 to support the solar battery module 10. One side surface (mounting side) of the frames 12 is mounted on the support members 50 as a space partition, and the solar battery 11 can be arranged on the other inclined side surface. The airborne vibration (noise) can be damped by the mounting side to ensure the soundproof function, and the power generating efficiency can be improved compared with a case where the solar battery 11 is arranged in a perpendicular direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a protective fence.

[0002]

2. Description of the Related Art Conventionally, external see-through has been blocked,
Protective fences will be provided around the buildings to prevent human entry. As such a protective fence, various types such as a fence to which a wire mesh is attached and a block wall in which a reinforcing bar is passed through a block are used (JP-A-11-62).
No. 044). By the way, with the intense urbanization, residential areas, factory premises, roads, and the like have come close to each other, and the noise problem has become apparent. Therefore, it is required that the protective fences located at the site boundary also have a soundproof function. In this case, the soundproofing function has two aspects, one is the soundproofing from outside to inside the fence, for example to prevent car noise from entering the building premises from adjacent roads, and the other is: This is soundproofing from inside to outside of the fence to prevent noise generated in the factory from leaking to the adjacent site.

[0003]

On the other hand, a solar cell made of silicon crystal or the like has been used as an environment-friendly power generation element that does not emit carbon dioxide in various fields such as industry and consumer use. I have. Conventionally, this solar cell was installed on the roof or wall of a building, but it is desired to diversify the installation location of the solar cell in order to respond to further expansion of applications. It is also desired to attach a solar cell to the surface of the device. However, in such a case, the solar cell is to be mounted on the vertical surface formed by the protective fence, and the sunlight is obliquely incident on the solar cell, so that high power generation efficiency cannot always be obtained. .

Accordingly, an object of the present invention is to provide a protective fence capable of improving the power generation efficiency of a solar cell and having a soundproof function.

[0005]

A first invention of the present invention will be described with reference to the drawings. A frame 12 having a polygonal cross section and a solar cell 11 provided on at least a part of an outer peripheral surface thereof. And a supporting member 50 that supports the solar cell module.

According to the present invention, of the plurality of side surfaces constituting the frame, one side surface is a vertical surface (mounting surface 12A) to be mounted on the support member, and another side surface adjacent to this side surface is provided. May be provided as a surface on which the solar cell is arranged (light receiving surface 12B), and the light receiving surface is inclined with respect to the mounting surface. For this reason, since the mounting surface partitions the inside and the outside of the protective fence 1 into a planar shape, it is possible to attenuate the vibration of the air traveling to the mounting surface. That is, the protective fence can secure the function as a soundproof wall. In addition, since the light receiving surface is arranged to be inclined with respect to the vertical surface, it is possible to make the angle between the sunlight and the arrangement surface closer to a right angle, so that power generation by the solar cell can be performed effectively. it can. This makes it possible to obtain a higher power generation efficiency as compared with a case where the solar cell is directly attached to the protective fence in a vertical state.

[0007] In the above, it is preferable that the light receiving surface of the solar cell module on which the solar cells are provided is arranged to be inclined with respect to a horizontal plane. According to this configuration, the light receiving surface on which the sunlight is incident is arranged inclined with respect to the horizontal plane. By appropriately adjusting the inclination angle, the incident sunlight is changed at each season. To
The light receiving surface can be made to correspond, and the power generation efficiency of the solar cell can be increased throughout the year.

Preferably, the solar cell module has a triangular cross section. With this configuration, the solar cell module frame has a light receiving surface on which the solar cells are arranged, a mounting surface on which the solar cell module is mounted on the support member, and a lower surface 12C that straddles the light receiving surface and the mounting surface. Thereby, the cross-sectional shape is formed in a triangular shape. And, by the light receiving surface of the lower solar cell module and the lower surface of the upper solar cell module,
Grooves having a wedge-shaped cross section (grooved grooves) are formed on the outside of the protective fence (on the side where the solar cell module is arranged).
Open toward. And the vibration (noise) of the air
When trying to transmit from the arrangement side (outside) of the solar cell toward the inside, the vibration of the air converges inside the groove while reflecting on the light receiving surface and the lower surface. At this stage, the reflected waves from these two surfaces interfere with each other and weaken each other, and as a result, the vibration (noise) of the air is attenuated. Therefore, it is possible to reduce the noise traveling from inside to outside of the protective fence, and it is possible to secure an effective soundproof function from outside to inside of the protective fence. Such a protective fence is effective, for example, when a highway passes outside.

Further, it is preferable that the cross section of the solar cell module is formed in an equilateral triangle. In this case, by vertically erection of the support member, the solar cell can be arranged in a state of being inclined by 30 ° with respect to the horizontal plane. Therefore, for example, in a temperate region (approximately 25 ° to 45 ° north latitude) such as Japan, there is a seasonal variation, but the sun coming from the sun reaching the middle-south altitude (approximately 40 ° to 80 °). The light beam can be set to irradiate perpendicular to the light receiving surface of the frame. Therefore, high conversion efficiency can be maintained throughout the year.

[0010] It is preferable that a dummy module 30 having no solar cell is attached to the support member in parallel with the solar cell module. As described above, since the dummy module does not include the expensive solar cell and includes only the frame, the dummy module is easy to manufacture and inexpensive. For this reason, environmental conditions at the place where the protective fence is installed (for example, there are trees and buildings nearby)
If a part of the protective fence is shaded or the required amount of light cannot be secured, a dummy module can be placed in this part to generate profitable electricity that matches the price of the solar cell Therefore, the cost of the protective fence can be reduced.

Preferably, the dummy module has the same cross-sectional shape as the solar cell module. With this configuration, since the dummy module has the same shape as the solar cell module, the frame of the dummy module can be shared with the frame used for the solar cell module. For this reason,
Since it is not necessary to separately manufacture a new frame for the dummy module, the manufacturing cost of the dummy module can be reduced, and as a result, the cost of the protective fence can also be reduced. Further, since the dummy module has the same shape as the solar cell module, the appearance is unified, and the design of the protective fence can be improved.

Further, the supporting member includes a plurality of columns 51
And a plurality of horizontal rails 52 bridged between the pillars, and a plurality of vertical frames 53 bridged across the upper and lower horizontal rails, and the solar cell module is bridged between the vertical frames. It is preferred that In this way, for a pillar whose installation position is determined in consideration of the total weight of the protective fence, the vertical frame is fixed to the horizontal beam at appropriate intervals according to the width of the solar cell module and dummy module can do. Therefore, the installation of the solar cell module and the dummy module can be facilitated by the vertical frame in which the arrangement interval can be set flexibly, so that the workability of the protective fence can be improved.

Further, the end of the solar cell module is
It is preferable to be closed by the ventilation cover member 17. Such a ventilation cover material refers to a member provided with a ventilation hole 17A and covering an opening at an end of the frame, and includes, for example, a punching metal, an expanded metal, and a slit mesh. With such a ventilation cover material, heat generated on the back surface of the solar cell can be exhausted by air flowing through the holes. In addition, by making these holes small, insects and small animals can be prevented from entering the frame, so that these creatures can not cut off wiring and short-circuiting of electric circuits including solar cells can be prevented. This can be prevented beforehand, and the burden associated with the maintenance and operation of the solar cell module can be reduced.

Further, a ventilation opening 70 may be formed between the solar cell module and another adjacent solar cell module. With this configuration, the opening allows the air blown from the front of the protective fence to pass through the inside of the protective fence, so that the wind pressure applied to the protective fence can be reduced. Further, since the wind flows by tracing the light receiving surface of the solar cell module, heat generated on the light receiving surface during power generation can be released, and the power generation efficiency of the solar cell module can be improved. In addition, by reducing the area of this opening, it is smaller than the area of the mounting surface that is the covering part of the protective fence, so the vibration of the air passing through this opening is suppressed without impairing the soundproofing performance of the protective fence. it can.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a protective fence 1 according to the present embodiment. The protective fence 1 is installed on the roof of a building, and is arranged so as to surround the air conditioner (outdoor unit) installed on the roof, facing the north, south, east, west and north. The protective fence 1 includes a solar cell module 10 provided with a solar cell 11, a dummy module 30 not provided with the solar cell 11, and a support member 50 supporting the solar cell module 10 and the dummy module 30. It is comprised including.

As shown in FIGS. 1 and 2, the support member 50 includes a plurality of pillars (posts) 51 fixed to a rooftop grounding surface, and the outside of the pillar 51 so as to straddle between the pillars 51. Horizontal rails 52 that are horizontally stretched at
And a plurality of vertical frames 53 vertically spanned outside the horizontal rail 52 so as to straddle. The column 51 is made of H-shaped steel, and the horizontal rail 52 and the vertical frame 53 are made of C-shaped channel material. And these pillars 5
1. The connection between the horizontal rail 52 and the vertical frame 53 is performed by fixing the cross bar to each other with bolts and nuts (not shown) via brackets (not shown).

The solar cell module 10 includes a solar cell 11 having a regular triangular cross section and having solar cells serving as power generating elements, and a frame 12 to which the solar cell 11 is attached.

The solar cells 11 are electrically connected in one solar cell 11 by arranging solar cells made of polycrystalline silicon in series or in parallel.
It should be noted that this solar cell 11 includes, in addition to the solar cell,
It is configured to include a resin filler for fixing the solar cell, a substrate for supporting the solar cell and the filler, a coating material for covering the surface of the solar cell, and the like.

The frame 12 is formed of an aluminum cylindrical body having a regular triangular cross section. The three side surfaces of the cylindrical body include a mounting surface 12A that is joined to the vertical frame 53, a light receiving surface 12B on which the solar cell 11 is provided,
A lower surface 12C is formed between the mounting surface 12A and the light receiving surface 12B. Further, as shown in FIG.
The frame 12 is formed mainly by combining two frame members, that is, a first frame 13 provided with the solar cells 11 and a second frame 14 for defining and supporting the inclination angle of the first frame 13. Have been.

The first frame 13 is provided with the solar cells 11 disposed therein. The first frame 13 has an engaging portion 13A provided with a groove for engaging each side edge of the solar cell 11, and a fixed portion supported by the second frame 14. 13B. Further, the second frame 14 includes a mounting portion 14A that forms a part of the mounting surface 12A,
And a support portion 14B for directly supporting the first frame 13. It should be noted that claws 13C and 14C are provided on a part of the fixed portion 13B and the support portion 14B so as to engage with each other. Then, while the claws 13C and 14C are locked to each other, the support portion 14B and the fixing portion 13B are
6, the first frame 13 and the second frame 14 are integrally fixed. The solar cell 11 is disposed on the first frame 13 in a state where the upper and lower side edges are engaged with the groove and inserted along the longitudinal direction of the frame 12.

Further, as shown in FIG. 4, the solar cell module 10 is attached to a vertical frame 53 by a band-shaped joint member 60. That is, the joint member 60 covers the light receiving surface 12B and the lower surface 12C so that the adjacent ends of the solar cell modules 10 arranged horizontally are covered with each other. The screws 61 provided on the joint member 60 cover the light receiving surface 12B and the lower surface 12C. The solar cell module 10 is fixed to the vertical frame 53.

The dummy module 30 is shown in FIGS.
As shown in FIG. 1, the first frame 1 has substantially the same configuration as the frame 12 used in the solar cell module 10.
3 and the second frame 14, and the frame 12 is arranged so as to be rotated so that the light receiving surface 12 </ b> B faces the vertical frame 53. The first frame 13 does not include the holding portion of the engaging portion 13A, and the mounting bolt 15
The dummy module 30 is supported by the vertical frame 53 by storing the face material 31 fixed to the vertical frame 53 between the engaging portions 13A. The dummy module 30 is also similar to the solar cell module 10 in FIG.
As shown in (1), the end is fixed by the same joint material 60 as the joint material 60.

As shown in FIG. 1, one of the solar cell module 10 and the dummy module 30 disposed at the end of the protective fence 1 has an open end surface of a cylindrical body (frame 12). Is closed by the punching metal 17. The punching metal 17 has numerous small holes 17A formed innumerably.

As shown in FIGS. 1 and 2, a joint member 60 is screwed to the vertical frame 53 between the upper and lower modules 10 and 30 (the solar cell module 10 and the dummy module 30). A slight gap 70 is formed corresponding to the stop margin. The gap 70 is a ventilation opening provided to allow the wind blown from the front of the protective fence 1 to escape.

The protective fence 1 as described above is assembled in the following procedure. First, the column 51 is fixed to the base provided on the roof, and the horizontal beam 52 is attached to the column 51, and then the vertical frame 53 is bridged between the horizontal beams. Then, while attaching the joint members 60 to both ends,
The solar cell module 10 and the dummy module 30 are arranged so as to straddle the left and right vertical frames 53. Finally, each solar cell module 10 is electrically connected, and the terminal of the wiring is connected to a storage battery or the like.

According to such a protective fence, the following effects can be obtained. 1) The protective fence 1 includes a frame 12 having a polygonal cross section,
The vertical frame 53 is included. For this reason,
The mounting surface 12A of the frame 12 can be mounted on the vertical frame 53 as a partition surface separating the inside and outside of the protective fence 1, and the other side surface of the frame 12 can be a light receiving surface 12B on which the solar cells 11 are arranged at an angle. Therefore, mounting surface 1
With 2A, the propagation of air vibration (noise) can be suppressed, and the power generation efficiency of the solar cell 11 can be improved as compared with the case where the solar cells are arranged vertically.

2) Light receiving surface 12 of solar cell module 10
B is arranged to be inclined with respect to the horizontal plane, so that by adjusting the inclination angle appropriately, it is possible to change the angle in each season so that the light-receiving surface is orthogonal to the incoming sunlight. Thus, the power generation efficiency of the solar cell 11 can be increased throughout the year.

3) Since the solar cell module 10 has a triangular cross section, the solar cell module 1
The light receiving surface 12B and the lower surface 1
2C forms a groove having a wedge-shaped cross section (a groove having a jagged shape) that is opened outward. And the air vibration (noise)
When traveling from the outside to the inside, the air vibration is reflected on the light receiving surface 12B and the lower surface 12C, and attenuates while interfering with each other and weakening each other. Therefore, it is possible to secure an effective soundproofing function for the protective fence 1 against noise entering from the outside to the inside.

4) Since the cross section of the solar cell module 10 is formed in an equilateral triangle, the vertical frame 53
By attaching the mounting surface 12A to the light receiving surface 12A, the light receiving surface 12B can be arranged in a state of being inclined by 30 ° with respect to the horizontal plane. For this reason, in a temperate zone (approximately 25 ° to 45 ° north latitude) such as in Japan, the light receiving surface 12B can be arranged vertically with respect to the solar rays reaching the mid-south altitude. Therefore, high conversion efficiency can be maintained throughout the year.

5) On the protective fence 1, a dummy module 30 having no solar cell 11 is provided.
0. For this reason, depending on the environmental conditions at the installation place of the protective fence 1 (for example, there is a tree or a building nearby), a part of the protective fence 1 may be shaded. However, in this case, by arranging the dummy module 30, it is possible to generate profitable power generation corresponding to the price of the solar cell 11 and reduce the cost of the protective fence 1.

6) Since the dummy module 30 has the same sectional shape as the solar cell module 10, the frame 12 of the dummy module 30 can be shared with the frame 12 used for the solar cell module 10. it can. For this reason, the manufacturing cost of the dummy module 30 can be reduced, and the cost of the protective fence 1 can also be reduced.

7) Since the dummy module 30 has the same shape as the solar cell module 10, the appearance of the protection fence 1 is unified, and the design of the protection fence 1 can be improved.

8) The support member 50 of the protective fence 1 is composed of a plurality of pillars 51, a horizontal rail 52 bridged between the pillars 51, and a vertical frame 53 bridged over the upper and lower horizontal rails 52. The solar cell module 10 is bridged between the vertical frames 53. Here, the vertical frame 53 is fixed to the horizontal rail 52 with the arrangement interval appropriately set according to the width dimension of the solar cell module 10 and the dummy module 30. Therefore, the mounting of the solar cell module 10 and the dummy module 30 can be facilitated, and the workability of the protection fence 1 can be improved.

9) Since the end of the frame 12 is closed by the punching metal 17, the heat generated on the back surface of the solar cell 11 can be exhausted by the air flowing through the hole 17A. , And the power generation efficiency can be improved.

10) Since the hole 17A formed in the punching metal 17 is small enough to prevent insects and small animals from invading, the electric circuit including the solar cell 11 can be formed by these organisms cutting off the wiring. Short circuiting can be prevented beforehand, and the burden of maintenance and maintenance work of the solar cell module 10 can be reduced.

11) Modules 10 arranged vertically,
Small gaps (openings for ventilation) 70 are formed between the solar cell modules 30 (the solar cell module 10 or the dummy module 30) so as not to reduce the noise prevention effect. For this reason, the wind blown from the front of the protection fence 1 can be passed through the inside of the protection fence 1 while maintaining the soundproof function, and the wind pressure applied to the protection fence 1 can be reduced.

12) The wind passing through the gap 70 flows so as to trace the light receiving surface 12B of the solar cell module 10, so that heat generated on the light receiving surface 12B is released and the power generation efficiency of the solar cell module 10 is improved. Can be.

13) Since the side edge of the solar cell 11 is engaged with the engaging portion 13A of the first frame 13 having the groove,
The solar cell 11 can be easily arranged on the frame 12 simply by inserting the solar cell 11 into the engagement portion 13A, and the assembly of the solar cell module 10 can be facilitated.

It should be noted that the present invention is not limited to the above-described embodiment, but includes other configurations capable of achieving the object of the present invention, and the following modified examples are also included in the present invention.

That is, in the above-described embodiment, the ventilation gap 70 is provided between the vertically arranged modules 10 and 30.
However, the gap 70 is provided in the module 1
It is not necessarily provided between 0 and 30. For example, it may be formed between horizontally adjacent modules 10 and 30. In this case, by forming an opening in the joint member 60, a ventilation gap can be formed. Further, these gaps (ventilating openings) 70 may be omitted.

Furthermore, in the above embodiment, the modules 10 and 30 (solar cell module 10 or dummy module 30) arranged at the end of the protective fence 1 are covered with the punching metal 17 at the end of the frame 12. But
The ventilation cover material is not limited to the punching metal 17. For example, a mesh-like member or a lattice-like face material may be used, or the ventilation cover material may be omitted.

In the above embodiment, each of the modules 10 and 30 is mounted on the vertical frame 53 attached to the horizontal rail.
(Solar cell module 10 and dummy module 3
0) was attached, but each module 10, 30
Is not limited to this. For example, the vertical frame 53
May be omitted, and the modules 10 and 30 may be set up vertically and arranged between the left and right horizontal rails 52. In this case, since the vertical frame 53 is omitted, the number of members of the protective fence 1 can be reduced.

In the above embodiment, the pillar 51, the horizontal rail 52, and the vertical frame 53 are used as the support members 50. However, the members used as the support members 50 are not limited to these. For example, a protective fence in which the solar cell module 10 is attached to a planar member supported by the pillar 51 may be used. In this case, the planar member can improve the shielding property against see-through.

Further, in the above embodiment, the dummy module 30 has the same cross-sectional shape as the solar cell module 10, but the shape of the dummy module 30 is not limited to this. For example, the cross section may be a semi-circular cross section or an L-shaped inverted cross section. In the latter case, in particular, the dummy module is appropriately dispersed and provided on the protective fence 1 so that the solar cell provided on the upper portion is provided. When the module 10 is inspected, the module 10 can be used as a foothold for hanging.

In the embodiment, the dummy module 30 is used in addition to the solar cell module 10, but the dummy module 30 may be omitted.

In the above embodiment, the cross section of the solar cell module 10 is formed in an equilateral triangle.
The cross-sectional shape of the solar cell module 10 is not limited to this. For example, the cross-sectional shape is a right triangle, isosceles triangle,
It may be a polygon such as a pentagon or a hexagon. Among them, in the case of a polygon such as a pentagon or a hexagon, the solar cells 11 can be arranged on a plurality of side surfaces facing upward, so that the amount of power generation can be increased.

Further, in the above embodiment, the light receiving surface 12B of the solar cell module 10 is fixed so as to be inclined with respect to the horizontal plane.
Not limited to this. For example, a frame having a polygonal cross section is rotatably attached to the vertical frame 53, and the arrangement angle of the light receiving surface 12B is set near horizontal by control means interlocked with external measurement means for measuring the solar radiation angle. It may be a protective fence that can be adjusted from right to near vertical. in this case,
Since the light receiving surface 12B can be disposed substantially perpendicularly to the sun rays, the power generation efficiency can be improved.

In the above embodiment, the protective fence 1 is
The protective fence 1 is not necessarily located on the roof, though it is provided on all sides so as to surround the outdoor unit installed on the roof. For example, at the boundary of a site that has a sound source that generates noise on at least one of the outside and the inside of the protective fence, such as the site facing the road, the boundary of the factory site, the periphery of the airport, the vicinity of the railway site, etc. Is preferred.
Also, it is preferable that the number of sheets to be installed is appropriately selected and installed according to the implementation situation.

[0049]

As described above, according to the protection fence of the present invention, the following effects can be obtained. That is,
According to the protection fence according to claim 1, the protection fence is configured to include a solar cell module including a frame having a polygonal cross section in which a solar cell is provided on an outer peripheral surface, and a support member that supports the solar cell module. I have. Therefore, one of the frames
The solar cell can be arranged on another inclined side surface by attaching the side surface to the support member as a space partition. Therefore, the air vibration (noise) between the inside and outside of the protective fence can be attenuated by the side surface attached to the support member, so that the function of the sound barrier can be secured on the protective fence, and when the solar cells are arranged vertically. In comparison, the power generation efficiency can be improved.

Further, according to the protective fence of claim 2,
The light receiving surface of the solar cell module provided with the solar cells
It is arranged at an angle to the horizontal plane. For this reason, since the light receiving surface on which the sunlight enters is inclined with respect to the horizontal plane, the inclination angle can be appropriately adjusted to increase the power generation efficiency of the solar cell throughout the year.

Further, according to the protective fence of the third aspect, the solar cell module has a triangular cross section. Therefore, a groove having a wedge-shaped cross section (a jagged groove) is formed by the light receiving surfaces and the lower surface of the solar cell modules arranged vertically. Therefore, the vibration (noise) of the air traveling into the groove is reflected on the light receiving surface and the lower surface and interferes with each other to attenuate and attenuate, so that an effective soundproof function from the outside to the inside is provided. It can be secured on a protective fence.

According to the protective fence of the fourth aspect, the cross section of the solar cell module is formed in an equilateral triangle. For this reason, the solar cell is 30
Because it is arranged in an inclined state, it can be arranged so that the sun's rays irradiate the light receiving surface perpendicularly to the light receiving surface in Japan or the like where the sun's mid-south altitude reaches about 40 ° to 80 °. Therefore, high conversion efficiency can be maintained throughout the year.

Further, according to the protective fence of claim 5,
A dummy module without a solar cell is attached to a support member together with the solar cell module. Here, depending on the environmental conditions of the place where the protective fence is installed (for example, there are trees and buildings nearby), part of the protective fence may be shaded. In such a case, By arranging the dummy module in the shaded area, it is possible to generate profitable power generation corresponding to the price of the solar cell, and as a result, the cost of the protective fence can be reduced.

Further, according to the protective fence of the sixth aspect, the dummy module has the same cross-sectional shape as the solar cell module. For this reason, the frame can be shared with the frame of the solar cell module. Therefore, it is not necessary to separately manufacture a new frame for the dummy module, so that the manufacturing cost of the dummy module can be reduced and the cost of the final protective fence can be reduced. Since the appearance of the dummy module and the solar cell module is unified, the design of the protective fence can be improved.

Further, according to the protective fence according to the seventh aspect, the support member includes a column, a horizontal rail, and a vertical frame,
The solar cell module is bridged between the vertical frames. Here, the vertical frame is fixed to the horizontal rail at predetermined intervals appropriately according to the width dimension of the solar cell module and the dummy module, so that the vertical frame facilitates attachment of the solar cell module and the dummy module. And the workability of the protective fence can be improved.

Further, according to the protective fence of the present invention, the end of the solar cell module is closed with a ventilation cover material such as a punching metal, an expanded metal, and a slit mesh. For this reason, the heat generated on the back surface of the solar cell can be discharged by the air flowing through the holes, and the heat storage of the solar cell can be suppressed, and the power generation efficiency can be improved. By making these holes small, insects and small animals can be prevented from entering, and short-circuiting of electric circuits including solar cells can be prevented beforehand. Can be reduced.

According to the protective fence of claim 9,
Openings for ventilation are formed between adjacently mounted solar cell modules. For this reason, the wind blown from the front of the protection fence can be passed through the inside of the protection fence by this opening, so that the wind pressure applied to the protection fence can be reduced. Furthermore, since the wind flows by tracing the light receiving surface of the solar cell module, heat generated on the light receiving surface during power generation can be released, and the power generation efficiency of the solar cell module can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a protective fence according to an embodiment of the present invention.

FIG. 2 is an elevational view of the protective fence in the embodiment as viewed from the side.

FIG. 3 is a cross-sectional view showing a solar cell module constituting a protective fence in the embodiment.

FIG. 4 is a front view showing a boundary portion of the solar cell module in the embodiment.

FIG. 5 is a sectional view showing a dummy module in the embodiment.

FIG. 6 is a front view showing a boundary portion of the dummy module in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Protective fence 10 Solar cell module 11 Solar cell 12 Frame 12B Light receiving surface 17 Punched metal as ventilation cover material 30 Dummy module 50 Supporting member 51 Column 52 Horizontal bar 53 Vertical frame 70 Gap which is an opening for ventilation

Claims (9)

[Claims] 1. A solar cell module including a frame having a polygonal cross-sectional shape and a solar cell provided on at least a part of an outer peripheral surface, and a support member for supporting the solar cell module. A protective fence characterized by being made. 2. The protective fence according to claim 1, wherein a light-receiving surface of the solar cell module on which the solar cells are provided is inclined with respect to a horizontal plane. 3. The protective fence according to claim 1, wherein the solar cell module has a triangular cross section. 4. The protective fence according to claim 1, wherein the solar cell module has a regular triangular cross section. 5. The protective fence according to claim 1, wherein a dummy module having no solar cell is attached to the support member in parallel with the solar cell module. And protective fence. 6. The protective fence according to claim 5, wherein the dummy module has the same cross-sectional shape as the solar cell module. 7. The protective fence according to claim 1, wherein the support member straddles a plurality of columns, a plurality of horizontal beams bridged between the columns, and upper and lower horizontal beams. And a plurality of vertical frames spanned by the solar cell module, wherein the solar cell module is spanned between the vertical frames. 8. The protective fence according to claim 1, wherein an end of the solar cell module is closed by a ventilation cover material. 9. The protective fence according to claim 1, wherein a ventilation opening is formed between the solar cell module and another adjacent solar cell module. A featured protective fence.