JP2857581B2 - Solar power generator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photovoltaic power generator in which a solar cell is provided on the outer surface of a building.

[0002]

2. Description of the Related Art A solar cell is an element for converting light energy from the sun into electric energy, and a photovoltaic power generator constituted by the element has recently attracted attention as a clean energy source.

In the above-mentioned solar power generation apparatus, usually, the solar cell is held on a transparent plate, and an assembly plate is formed by the solar cell and the transparent plate. To get electricity.

[0004]

By the way, in order to obtain sufficient power generation by the above-mentioned photovoltaic power generator, it is required to lay the above-mentioned assembly plate in a considerably wide range.

However, particularly in urban areas, it is extremely difficult to find a surplus large area, and it is not easy to obtain sufficient power generation.

Therefore, it is conceivable to dispose a large number of assembly plates on the outer surface side of a building. For example, when the outer surface is a concrete wall, the concrete wall and the transparent plate of the assembly plate are visually recognized. Since the natural textures are different, there is a possibility that an unnaturalness in appearance may occur between the two, and the appearance of the building may be significantly reduced.

Further, it is required that the solar cell be more firmly held on the outer surface side of the building.

Further, the structure for electrically connecting the solar cell and the power receiving device for storing electric energy generated by the solar cell to each other is simplified, and the connection work is easily performed. It is hoped that it will be possible.

[0009]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances. By utilizing the outer surface of a building, a solar cell can receive sunlight widely.
An object of the present invention is to solve the problems of the conventional technology, such as to obtain sufficient power generation, and to keep the appearance of the building favorable even in such a case.

[0010]

According to the present invention, there is provided a photovoltaic power generation apparatus for achieving the above object, wherein a solar cell is held by a transparent plate, and the solar cell and the transparent plate constitute an assembly plate. The outer shell of the building is framed along this outer shell
A sash which is only, constituted by a transparent plate which is supported on the sash, the assembly plate is disposed on the outer surface side of the transparent plate, the upper
The solar cell and the electrical energy generated by this solar cell
Connect the current-carrying body that connects the receiving power receiving device to the sash
Hold this sash and sash body and this sash body
Cover that covers the outer surface of the
The space between the outer surface of the body and the cover
The electric conductor is provided in a storage space .

In the above case, a net may be embedded in the transparent plate.

Further, the assembly plate may be made translucent.

[0013]

[Operation] The operation of the above configuration is as follows.

In a photovoltaic power generator in which the solar cell 13 is held by the transparent plate 15 and the solar cell 13 and the transparent plate 15 constitute an assembly plate 18, the outer shell 4 of the building 1 is constituted by the transparent plate 9. The assembly plate 18 is disposed on the outer surface of the transparent plate 9.

In general, since the outer surface of the building 1 has a large area, when the assembly plate 18 is provided on the outer surface as described above, the solar cells 13 of the assembly plate 18 receive the sunlight 14 widely. be able to.

The outer shell 4 of the building 1 is composed of a transparent plate 9, and the transparent plate 9 and the assembled plate 18 having the transparent plate 15 have similar visual textures. The occurrence of a sense of incongruity in appearance between the two is suppressed.

Also, the outer shell 4 of the building 1 is
A sash 5 framed along and supported by the sash 5
Composed of a transparent plate 9 and a solar cell 13.
Power receiving device 51 that receives electric energy generated in the pond 13
Is held by the sash 5 as described above.
is there.

For this reason, a switch for holding the transparent plate 9 is provided.
The fiber 5 is used for disposing the current-carrying body 50,
Separate piping is not required for this installation, or
Is not necessary, and the work of installing the piping is not necessary.
Or less is enough.

The sash 5 is connected to a sash body 26,
A cover 3 for opening and closing the outer surface of the sash body 26
1, 32, and the outer surface side of the sash body 26,
The space between the covers 31 and 32 is used as a storage space 29.
An electric conductor 50 is provided in the space 29.

For this reason, the sash body 26 and the cover 3
If you remove 1,32, the storage space 29 will be outside the building 1.
Open to the public. For this reason, the conductive body in the storage space 29
Arrangement work of 50 and maintenance and inspection work for this conductive body 50
The operation can be performed without being disturbed by the transparent plate 9.

In the above case, the net 11 may be embedded in the transparent plate 9.

In this way, the transparent plate 9 is connected to the net 1
1, the holding of the assembly plate 18 with respect to the transparent plate 9 side is further strengthened.

Further, the assembly plate 18 may be translucent.

In this way, the sunlight 14 passes through the assembly plate 18 and the transparent plate 9 in order to irradiate the inside of the building 1. The brightness by the light beam 14 is ensured.

Further, a net 11 is embedded in the transparent plate 9, and if the net 11 is made of metal, since it has a high thermal conductivity, the heat dissipation of the transparent plate 9 is improved. Therefore, even if the assembly plate 18 is provided close to the transparent plate 9, the temperature of the solar cells 13 of the assembly plate 18 is suppressed from becoming high.

Further, since the assembly plate 18 is disposed on the outer surface side of the transparent plate 9 and is translucent, the net 11 embedded in the transparent plate 9 is prevented from being easily seen in appearance by the assembly plate 18. Is done.

[0027]

Embodiments of the present invention will be described below with reference to the drawings.

(Example 1)

FIGS. 1 to 4 show the first embodiment.

In the drawings, reference numeral 1 denotes a building, which is a frame 2 which is a beam of a truss structure, and a metal fixture which is located on the outer surface side of the frame 2 and which is attached to the frame 2. 3 and an outer shell 4 which is a roof detachably attached. For convenience of explanation, the direction of arrow Fr in FIGS. 3 and 4 is defined as the front, and the left and right described below refer to the direction toward the front (the direction toward FIGS. 1 and 2). . Note that the frame 2 may be another structure such as a lattice or a ramen.

The outer shell 4 has a sash 5 framed along the outer surface of the frame 2. The sash 5 includes a plurality of vertical frames 6 arranged in the front-rear direction and a plurality of horizontal frames 7 arranged in the left and right directions. A plurality are arranged at equal intervals. Also,
The horizontal frame group 7 arranged in a row as described above is also provided in a plurality of rows at substantially equal intervals in the front-rear direction, and the intervals are substantially the same as each other. Note that the intervals of the above-described juxtaposition may be unequal.

The sash 5 supports a plurality of transparent plates 9, each of which closes a rectangular space 10 surrounded by the vertical frame 6 and the horizontal frame 7. in this case,
The transparent plate 9 is made of transparent (including translucent) glass or resin, and has sufficient translucency. A net 11 made of metal or resin is embedded in the transparent plate 9, and the transparent plate 9 is sufficiently reinforced. Even if the transparent plate 9 breaks due to high heat or impact, the broken pieces of the transparent plate 9 are kept connected with each other by the net 11, so that the transparent plate 9 does not break. It is to be prevented.

A solar cell 13 is disposed outside the sash 5 and the transparent plate 9. The solar cell 13 is an element that receives sunlight 14 from the sun and converts light energy of the sunlight 14 into electric energy, and is composed of, for example, a pn junction element made of polycrystalline or single-crystal silicon, amorphous or the like. ing.

The solar cell 13 is sandwiched between a pair of transparent plates 15 facing each other, and is firmly adhered to each of the transparent plates 15 by an adhesive 17 made of an airtight resin. I have. The solar cell 13 is porous and translucent. On the other hand, each of the transparent plates 15 is made of transparent (including translucent) glass or resin. It has nature.
The solar cell 13 and the transparent plates 15, 15 form an assembly plate 18 having a multiple (triple) structure, and the assembly plate 18 is also translucent.

The assembly plate 18 faces the outer surface of the transparent plate 9 with a slight gap 19 therebetween, and a spacer 20 is provided between the transparent plate 9 and each outer edge of the assembly plate 18. The spacer 20 contains a desiccant and absorbs moisture in the gap 19 to prevent dew condensation. Further, the spacer 20 has a slight elasticity and absorbs an impact generated between the transparent plate 9 and the assembly plate 18.

In the above case, by providing the gap 19 between the transparent plate 9 and the assembly plate 18, the soundproofing effect and the heat insulating effect inside and outside the outer shell 4 are improved, and the transparent plate 9 and the assembly plate 18
Are prevented from interfering with each other.

The composite plate 21 composed of the transparent plate 9, the assembly plate 18, and the spacer 20 is integrally supported by the sash 5.

In particular, in FIG. 1, the vertical frame 6 of the sash 5 includes an outer member 22 and an inner member 23 that support the outer edge of the composite plate 21 that extends in the front-rear direction from inside and outside. It has.

The outer member 22 is formed of the adjacent composite plate 2
The sash main body 26 is located on both outer edges of the building 1 and 21 so as to straddle the building 1 from outside.
It extends along the space 25 between the outer edges. The sash body 26 is an extruded material or a drawn material made of metal such as aluminum or stainless steel. This sash body 26
Is composed of a plate-like base 27 that covers the space 25 from the outside of the building 1, and a pair of projecting pieces 28, 28 that protrude outward from both sides in the width direction of the base 27 integrally. I have.

On the outer surface side of the sash main body 26, a space surrounded by the base 27 and each protruding piece 28 is a storage space 29, and the storage space 29 is opened outward. An inner cover 31 is provided to open and close the storage space 29, and an outer cover 32 is provided to cover the cover 31 from the outside. Both covers 31 and 32 are made of resin and have elasticity. Each of the covers 31 and 32 is elastically deformed by a locking portion 33 having a locking hook and a locking recess for engaging and disengaging the locking hook. To the sash main body 26 so as to be freely detachable.
The locking is elastic and does not rattle.

In the above case, a gap is formed between the two covers 31 and 32, thereby improving the airtightness, the soundproofing effect, and the heat insulating effect inside and outside the outer shell 4.
In particular, the outer cover 31 can be replaced with a new one, so that the appearance of the building 1 can be improved.

On the other hand, the inner member 23 has a sash body 35 located on both outer edges of the adjacent composite boards 21 and 21 so as to straddle from inside the building 1, and the sash body 35 is It extends along the space 25 between the outer edges. The sash body 35 is an extruded material or a drawn material made of metal such as aluminum or stainless steel.

The sash body 35 includes a base 36 that covers the space 25 from the inside of the building 1, and a pair of protrusions integrally projecting from both sides in the width direction of the base 36 toward the composite plate 21. A composite plate 2 of the base 36, a pair of projecting pieces 38, 38 having an L-shaped cross section and integrally protruding from both sides in the width direction of the base 36 toward the sides thereof.
And a boss portion 39 integrally protruding from the surface on one side. The base 36 of the sash main body 35 has a box-shaped cross section, and has sufficient strength and rigidity. The sash main body 35 is attached to the frame 2 of the building 1 by the attachment 3.

The base member 27 of the outer member 22 and the boss 39 of the inner member 23 are detachably fastened by fasteners 41 which are bolts. The outer edge of the composite plate 21 is sandwiched between the projecting piece 37. In this case, a sealing material 42 is interposed between each outer edge of the composite plate 21 and the base 27 of the outer member 22.
A seal member 43 is interposed between each outer edge portion of the inner member 23 and each protruding piece 37 of the inner member 23. Each of these sealing materials 42,
Reference numeral 43 denotes an elastic body having a cushioning function, all of which are interposed in a state of being compressed and compressed.

In particular, in FIG. 4, the horizontal frame 7 of the sash 5 includes an outer member 44 and an inner member 45 for supporting the outer edge of the composite plate 21 extending from the inside and the outside thereof. It has.

The outer member 44 is substantially the same as the outer member 22, although the dimensions are different from those of the outer member 22, so that the same reference numerals are given to the drawings, and the description thereof will be omitted. In the outer member 44, the projecting dimension of the projecting piece 28 is extremely short, and therefore, the storage space 29 is extremely narrow. Further, the inner cover 31 does not exist.

On the other hand, since the inside member 45 has substantially the same configuration as the inside member 23, although the dimensions are different, the same reference numerals are given to the drawings, and the description thereof will be omitted.

As described above, the outer edges of the composite plate 21 are sandwiched between the inner and outer members by the outer members 22, 44 and the inner members 23, 45, whereby the composite plate 21
Are supported by the sash 5, that is, supported by the frame 2. The sash bodies 26 and 35 are connected to the fasteners 4.
1 and connected to the frame 2 by the fixture 3, and the frame 2 is connected to the ground, and these are made of conductive metal. Functions as ground.

In FIG. 1, the outer member 22 of the vertical frame 6
In the sash main body 26, a rail 46 extending along the longitudinal direction of the vertical frame 6 is formed on each projecting piece 28 of the sash main body 26, and the rail 46 is
7 is detachably attached. This partition plate 47
Describes the storage space 29 as the internal space 2 on the inner side of the building 1.
9a and an external space 29b on the outer side of the building 1. When the partition plate 47 is removed, the internal space 29a is opened to the outside of the building 1 together with the external space 29b.

In the internal space 29a of the storage space 29,
An electric component 48 exemplified by a terminal is housed in a freely removable manner, and is detachably attached to the base 27 of the sash main body 26 by a fastener. The solar cell 13 of each assembly plate 18 is electrically connected to the electric component 48 by an electric conductor 49. The electric conductor 49 is an electric wire, a printed circuit board, or the like.

The outer space 29b of the storage space 29
The other current-carrying bodies 50 are housed in each of the covers 31 and 32.
By removing, the current-carrying bodies 50 are constructed so as to be able to be freely taken in and out of the storage space 29. These current-carrying members 50 are placed on the partition plate 47 and clipped in place. The electric conductor 50 is an electric wire, a printed circuit board, or the like, and connects the solar cell 13 to a power receiving device 51 via the electric component 48. This power receiving device 51
For example, it is a storage battery that receives and stores solar energy generated by the solar cell 13. The power receiving device 51 is supported by the frame 2 of the building 1 and the floor, and supplies the stored power to the power consuming unit.

1 to 4, a space surrounded by the base 36 and the left and right projecting pieces 37, 37 in the inner member 23 of the vertical frame 6 is a first drainage channel 53.
The space formed by the protruding pieces 38 is a second drainage channel 54.

On the other hand, also in the inner member 45 of the horizontal frame 7, a first drain 53 and a second drain 54 are formed as in the case of the vertical frame 6.

The ends of the vertical frame 6 and the horizontal frame 7 are vertically overlapped, and the end of the first drainage channel 53 of the horizontal frame 7 is located above the first drainage channel 53 of the vertical frame 6. Is located at
Also, the end of the second drainage channel 54 of the horizontal frame 7 is
Is located above the first drain 53. The outer members 22 of the adjacent vertical frames 6, 6 which are arranged in the front-rear direction and
The inside of 22 is sealed with a sealing material 58. The space between the inner members 23 of the vertical frames 6 and 6 is sealed by a seal material 59.

In spite of the provision of the sealing material 42, water 5 enters the space 25 from outside the building 1.
When the water 5 is infiltrated or when the water 55 of the dew condensation is generated in the space 25 due to the humidity inside the building 1, the water 55 falls into the first drainage channel 53 of the vertical frame 6 or the horizontal frame 7 ( Arrow A in FIG. 1). The water 55 that has fallen into the first drainage channel 53 of the horizontal frame 7 is transferred from the end of the first drainage channel 53 to the first drainage channel 53 of the vertical frame 6.
It falls into the drain 53 (arrow B in FIG. 1). Then, the water is guided and drained to the outside of the building 1 through the first drainage channel 53.

The water 55 in the first drain 53 is
Even if the seal member 43 is provided, when water leaks from the first drain passage 53 to the inside of the outer shell 4, the water 55 flows into the second drain passage 54 of the vertical frame 6 or the horizontal frame 7. It falls (arrow C in FIG. 1). The water 55 that has fallen into the second drainage channel 54 of the horizontal frame 7 falls from the end of the second drainage channel 54 to the second drainage channel 54 of the vertical frame 6 (arrow D in FIG. 1). Then, the water is guided to the outside of the building 1 through the second drain 54 and drained.

That is, the water 55 is drained in a plurality of steps (two steps) by the first drain 53 and the second drain 54.

As shown by phantom lines in FIG. 3, a plurality of solar cells 13 may be provided in a disk shape, and these may be dispersed and arranged at substantially equal intervals on the transparent plate 15.
The assembly plate 18 is translucent.

(Example 2)

FIGS. 5 and 6 show the second embodiment.

According to this, the outer member 2 in the vertical frame 6
The base 27 of the sash body 26 is swelled toward the space 25, and the swelling portion 57 has an electric component 48.
Storage space 29. In this embodiment,
The partition plate 47 does not exist.

By providing the bulging portion 57 by utilizing the space 25 as described above, the outwardly projecting dimension of the outer member 22 can be suppressed smaller than in the first embodiment. In addition, the size of the building 1 is reduced, and the appearance is improved.

The base of the bulging portion 57 has a through hole 6.
1 is formed, and a current-carrying body 49 is provided through the through-hole 61.

A sealing member 42 is interposed between the outer member 22 of the vertical frame 6 and the assembly plate 18. A resin drainer for separating the sealing member 42 from the through hole 61 is provided. A member 62 is provided. This draining member 62
The outer member 22 is detachably attached to the base 27 of the sash body 26.

When the water 55 that has passed through the portion provided with the sealing material 42 is going to flow toward the through-hole 61, the flow is prevented by the draining member 62, and the water 55 is removed by the draining member 62. By 62
It is dropped into the first drain 53. That is, the water 5
5 is prevented from flowing into the storage space 29 through the through-hole 61, so that the electric components 48 and the electric conductor 50 in the storage space 29 are prevented from being wet by the water 55. .

In the above case, since the through-hole 61 is provided on the outer member 22 as much as possible outside, that is, on the upper side, it is more certain that the water 55 tends to flow toward the through-hole 61. Is prevented.

The other constructions and operations are the same as those of the first embodiment, and therefore, the same reference numerals are given to the drawings and the description thereof will be omitted.

(Embodiment 3)

FIGS. 7 and 8 show a third embodiment.

This embodiment is substantially the same as the second embodiment in configuration and operation.

Therefore, only the points different from the second embodiment will be described, and other configurations and operations will be denoted by the same reference numerals in the drawings, and description thereof will be omitted.

In each composite plate 21, both transparent plates 9, 15
A seal material 63 is interposed in a space surrounded by each of the edges and the spacer 20. The sealing material 63 more reliably prevents the water 55 from entering the gap 19.

In FIG. 7, a pair of rails 46, 46 shown in the first embodiment are formed on the left and right facing surfaces inside the bulging portion 57, and a partition plate 47 is detachably attached to the rails 46, 46. . The partition plate 47 is slidably attached to each of the rails 46 along the longitudinal direction of each of the rails 46.

The partition plate 47 divides the storage space 29 into an internal space 29a and an external space 29b, and the internal space 29a is formed by a deep portion inside the bulging portion 57.
The outer space 29b is constituted by an opening side in the bulging portion 57 and a space between the base 27 and the cover 31.

In both the inner space 29a and the outer space 29b, as shown in the first embodiment, the current-carrying body 50 is housed so as to be freely taken in and out. An electric component 48 is housed in the external space 29b so as to be freely taken in and out, and the electric component 48 is detachably attached to the partition plate 47 by a fastener 64.

If the fasteners 64 are loosened, the partition plate 4
7 with electrical components 48 and fasteners 64 on each rail 46
When the fastener 64 is fastened, the partition plate 47 and the electric component 48 can be fixed at a desired position in the longitudinal direction of the vertical frame 6.

[0077]

According to the present invention, in a photovoltaic power generator in which a solar cell is held by a transparent plate and an assembly plate is formed by the solar cell and the transparent plate, an outer shell of a building is formed by the transparent plate. The above-mentioned assembly plate is provided on the outer surface side of the transparent plate. Therefore, the following operation and effect can be obtained.

In general, since the outer surface of a building has a large area, if an assembly plate is provided on the outer surface as described above, the solar cells of the assembly plate can receive sunlight widely. And sufficient power generation can be obtained.

The outer shell of the building is made of a transparent plate, and the transparent plate and the assembled plate having the transparent plate have similar visual textures. The occurrence of discomfort is suppressed. Therefore, even if the assembly plate is arranged on the outer surface side of the transparent plate, the appearance of the building is kept good.

The outer shell of the building is placed along the outer shell.
Framed sash and transparent plate supported by this sash
A solar cell and the electric energy generated by this solar cell.
Raise the current-carrying body that connects the power receiving device that receives the energy
The sash is kept.

For this reason, a sash for holding the transparent plate
Will be used for arranging the current-carrying body.
No need for separate piping for
And also eliminates the need for piping work.
Is enough. Therefore, the solar cell and the power receiving device
The configuration for making the connection
Work for the upper connection can be easily performed.

The sash is connected to the sash body and the sash.
It consists of a cover that covers the outer surface of the
The space between the outer surface of the sash body and the cover is a storage space.
Then, an electric conductor is disposed in this storage space.

For this reason, remove the cover from the sash body.
By doing so, the storage space is opened outside the building. others
Work for arranging the current-carrying body in the storage space
Maintenance work can be performed without being interrupted by the transparent plate,
Therefore, these operations can be easily performed.

Further , the cover may be replaced with an old one from a new one.
Since it can be easily exchanged for
The appearance of the structure is improved.

In the above case, a net may be embedded in the transparent plate.

In this way, the transparent plate is reinforced by the net, so that the assembly plate is more firmly held on the transparent plate side.

Further, the assembly plate may be made translucent.

In this way, since the sunlight is transmitted through the assembly plate and the transparent plate sequentially to irradiate the inside of the building, even if the above-mentioned assembly plate is provided, the brightness by the sunlight is secured in the building. Is done.

Further, a net is embedded in the transparent plate, and if the net is made of metal, since the net has a high thermal conductivity, the heat dissipation of the transparent plate is improved. Therefore, even when the assembly plate is provided close to the transparent plate, the temperature of the solar cell of the assembly plate is suppressed from becoming high, and the energy conversion efficiency of the solar cell is improved.

Further, since the assembly plate is arranged on the outer surface side of the transparent plate and is translucent, the net embedded in the transparent plate is suppressed from being easily seen in appearance by the assembly plate. Therefore, also in this respect, the appearance of the building is improved.

[Brief description of the drawings]

FIG. 1 is a partially enlarged view of FIG. 2 in Embodiment 1.

FIG. 2 is a partial side sectional view of a building in the first embodiment.

FIG. 3 is a partial plan view of a building in the first embodiment.

FIG. 4 is a side view of the first embodiment shown in FIG. 1;

FIG. 5 is a diagram corresponding to FIG. 1 in the second embodiment.

FIG. 6 is a diagram corresponding to FIG. 4 in the second embodiment.

FIG. 7 is a diagram corresponding to FIG. 1 in the third embodiment.

FIG. 8 is a diagram corresponding to FIG. 4 in the third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Building 2 Frame 3 Attachment 4 Outer shell 5 Sash 6 Vertical frame 7 Horizontal frame 9 Transparent board 11 Net 13 Solar cell 14 Sun rays 15 Transparent board 18 Assembly board 21 Composite board 22 Outer member 23 Inner member 26 Sash body 29 Storage Space 31 Cover 32 Cover 44 Outer member 45 Inner member 50 Conductor 51 Power receiving device

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-6-26283 (JP, A) JP-A-2-128087 (JP, A) JP-A-3-33112 (JP, U) (58) Survey Field (Int.Cl. ⁶ , DB name) E06B 5/00 E04B 2/72 E04B 9/34 H01L 31/04

Claims (3)

(57) [Claims] 1. A photovoltaic power generation device comprising a solar cell held by a transparent plate and an assembly plate comprising the solar cell and the transparent plate, wherein a sash framed along the outer shell of the building is provided.
If, constituted by a transparent plate which is supported on the sash, the assembly plate is disposed on the outer surface side of the transparent plate, and the solar cell,
Power receiving device that receives the electric energy generated by this solar cell
The sash holds the current-carrying body connecting the
Open and close the sash body and the outer surface side of this sash body
It consists of a cover that covers freely, and the outer side of the sash body
And the cover as a storage space.
A photovoltaic power generator with an energizer . 2. The photovoltaic power generator according to claim 1, wherein a net is embedded in the transparent plate. 3. The photovoltaic power generator according to claim 1, wherein the assembly plate is translucent.