JP2001148499A - Solar cell module and building having translucent part and building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solar cell module and a building having a translucent part in which a translucent part of a specified shape can be formed at a predetermined position, outdoor view can be seen brightly through impinging natural light and the cost can be reduced by reducing the weight. SOLUTION: The solar cell module 21 and the building 30 having a translucent part comprise a crystalline solar cell module 22, installed at a roof part 31, an wall part 35 or an window part 41, which is provided with a light transmitting means permitting to see through natural light or outdoor view. The light transmitting means is formed by removing cells 23 and a back cover 26, in a specified shape, from the circumferential fringe part 28a and/or the central part 28c of the solar cell module 22 and laminating a transparent or translucent film 27 to seal the end part of the back cover 26.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a solar cell module provided on a roof, a wall, a window, or the like, through a light transmitting means.
The present invention relates to a solar cell module having a light-transmitting portion that allows natural light and outdoor scenery to be transmitted and visible.

[0002]

2. Description of the Related Art Conventionally, as this kind, for example, the one shown in FIG. 7 is known.

In FIG. 7, (a) is a plan view of a light-transmitting panel 1 provided at an opening of a roof of a structure, in which a plurality of cells 2 are provided with appropriate separation portions 3. are doing. (B) is a cross-sectional view of the main part, in which the cells 2 are joined in a sandwich manner between the front glass 4 and the back glass 5 via an EVA 6 which is an adhesive, and the separation portions 3 are formed at appropriate intervals.
Is provided to take in outdoor light indoors from the separation portion 3 of the cell 2.

[0004]

However, in such a prior art, the back glass 5 is provided on the back side of the translucent panel 1 so that the weight becomes heavy and the solar cell module 1 is fitted. The frame member 7 to be mounted also becomes large in size, and has a problem that the cost increases in order to increase the rigidity of the building to be mounted.

Also, when sealing the cells, it is difficult to move the cells 2 and fix them in a predetermined position, so that the solar cell module 1 cannot be made large. It is much better to position and adhere the cells 2 in a predetermined shape. There was a problem that can not be.

Therefore, according to the present invention, a light-transmitting portion can be formed in a predetermined shape at a predetermined position, and the natural light can be illuminated brightly and outdoors so that the weight can be reduced and the cost can be reduced.
An object is to provide a solar cell module and a building having a light transmitting portion.

[0007]

In order to achieve the above object, the invention described in claim 1 is to provide a crystalline solar cell module provided on a roof, a wall, a window, or the like with a light transmitting means. A solar cell module having a light-transmitting portion through which natural light and outdoor scenery can be transmitted and visible, wherein the light-transmitting means is provided at a predetermined position from a peripheral portion, a central portion, or both of the solar cell module. It is characterized in that the cell and the back cover are removed, and a transparent or translucent film is attached so as to seal the end of the back cover so as to be transparent.

Here, the back cover is, for example,
It refers to a sheet made of polyvinyl fluoride (PVF) or the like having high temperature and heat stability. In general, an aluminum foil, a zinc foil, or the like is interposed in the sheet so that the sheet has a water-blocking property.

Here, the film refers to a transparent / translucent film made of, for example, polyethylene terephthalate (PET) or polyvinylidene chloride (PVDC).

[0010] According to the invention described in claim 2, natural light and outdoor scenery can be transmitted through and visible to a crystalline solar cell module provided on a roof, a wall, a window, or the like via a light transmitting means. A solar cell module having a light-transmitting portion, wherein the light-transmitting means is provided by providing a predetermined peripheral portion or a separation portion on the rear surface side of the front glass, and bonding each solar cell module obtained by combining cells in a predetermined shape. Then, a back cover was stuck thereon, the back cover at the peripheral portion and the separated portion was removed, and a transparent or translucent film was stuck so as to seal an end portion of the back cover, thereby forming a transparent cover. It is characterized by.

According to the invention described in claim 3, natural light and outdoor scenery can be transmitted through and visible to the crystalline solar cell module provided on a roof, a wall, a window, or the like via a light transmitting means. A solar cell module having a light-transmitting portion, wherein the light-transmitting means removes the cell and the back cover into a predetermined shape at a predetermined position of the solar cell module, and seals an end of the back cover. It is characterized in that a transparent or translucent film is adhered and formed so as to transmit light.

[0012] The invention described in claim 4 is the invention according to claims 1 to
3. In the solar cell module having the translucent portion according to 3, the predetermined shape of the arrangement of the cells in the crystalline solar cell module is a high translucency, a logo mark, a character, a picture, an advertising board or the like combining them. It is characterized by the display section.

The invention described in claim 5 is the first invention.
4. The solar cell module having a light-transmitting part according to any one of the items 4, wherein the display unit is formed and interconnected from the cells arranged in a matrix in the solar cell module in correspondence with the display unit. The method is characterized in that the method can be processed by a computer.

According to a sixth aspect of the present invention, a building is provided with a solar cell module having a light-transmitting portion on a roof, a wall, a window, or the like.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION

[0016]

Embodiment 1 FIGS. 1 and 2 show Embodiment 1 of the present invention.
It will be described based on.

FIG. 1 is an explanatory view showing a building provided with a solar cell module having a light transmitting portion according to the first embodiment. FIGS. 2A and 2B are a solar cell module having a light-transmitting portion according to Embodiment 1; FIG. 2A is a plan view and FIG.

In FIG. 1, 30 is a building, 31 is a roof, 35 is a wall, 41 is a window, and each part 31, 35, 41
Power is generated by the solar cell 21 having the translucent portion attached to the
It is configured to collect power through the electric system 51.

That is, as shown in the enlarged view of the portion A, the roof portion 31 has a light-transmitting portion in the U-shaped groove of the vertical frame 32 and the horizontal frame 33 which are aggregates forming the roof portion 31. The solar cell module 21 is fitted and assembled.

Therefore, the solar cell module 21 having the light transmitting portion receives the natural light,
2 generates power and is collected in the current collection box 52. On the other hand, the light transmitting portion 2
From 8, natural light shines and brightens the interior of the building 30.

The window portion 41 is formed by fitting the solar cell module 21 having a light transmitting portion into the U-shaped groove of the window portion sash 42 fitted in the wall portion 35 as shown by enlarging the portion B. Solar cell module 2 having this fitted light transmitting portion
The natural light shines through the light-transmitting portion 28 of the
In addition to brightening the inside, you can also enjoy the outdoor scenery. The solar cell module 22 is configured to receive light, generate power, and collect power in the current collection box 52.

The wall 35 has a structure in which the solar cell module 21 having a light-transmitting portion is mounted via a wall sash 36 as shown in an enlarged view of a portion B.
Acts in much the same way as 1.

Further, in the electric system 51, the power generation in the solar cell module 21 having the light-transmitting portions of the roof portion 31, the wall portion 35, and the window portion 41 is collected by the current collection box 52 and the wiring tube 53.
It is sent to the inverter board 54 via the internal wiring, converted into AC, and used for use.

In FIG. 2, the solar cell module 21 having the light-transmitting portion has the cell 23 on the rear side of the front glass 24 at a predetermined position by a predetermined power generation capacity, as shown in FIG. Are brought into contact with each other and joined. Then, a transparent or translucent film 27 is joined to the peripheral portion 28a of the cell 23 to form the light transmitting portion 28. In addition, as shown in FIG.
The cell 23 is sealed and joined so as to be covered with an EVA 25 as an adhesive, and the cell 23 is covered with an opaque back cover 26 and joined, and the back cover 26 is formed along the periphery of the EVA 25 indicated by a dashed line. And a transparent or translucent film 2
7 and sealed so as to block the invasion of outside air.

Therefore, the outside air does not reach the cell 23, and the deterioration of the humidity of the cell 23 can be prevented.

Except for the solar cell module 22, which requires a predetermined amount of power generation, except for the portion covered with the back cover 26, the solar cell module 22 can be entirely formed as a light-transmitting portion 28, so that natural light can be emitted or the outdoor scenery can be seen. Will be able to see.

The tough back cover 26 and the film 27 covering the entire rear surface of the front glass 24 can prevent the front glass 24 from being scattered even if the front glass 24 is damaged by fire or the like.

The back side of the solar cell is covered with a back cover 2.
6 and the film 27, and the conventional back glass is omitted, so that significant weight reduction can be achieved.

The cell 23 to be removed and the back cover 2
6 may not be joined in advance, and the back cover 26 may be opened in advance.

(Modification) FIG. 3 is a plan view and a sectional view of a main part showing a modification of FIG.

3 (a) and 3 (b), the peripheral portion 28
a is a translucent portion 28 as in FIG. 2, and further, from the center of the solar cell module 22 in which the cells 23 in FIG.
The light-transmitting portion 28 is obtained by removing the cell 23 without separating it.

Therefore, the light transmitting portion 28 is greatly expanded,
In addition to making the light brighter and the outdoor scenery easier to see, in this modification, the central portion 28c is formed in the cloth, so that the natural light radiated indoors has a formability.

Other configurations and operations are the same as those of the first embodiment, and therefore the description thereof will be omitted.

[0034]

Embodiment 2 Embodiment 2 of the present invention will be described with reference to FIG.

FIGS. 4A and 4B show a solar cell module having a light transmitting portion according to the second embodiment, wherein FIG. 4A is a plan view and FIG.
Is a sectional view.

4 (a) and 4 (b), solar cell modules 22 having cells 23 adjacent to each other in shape are separated from each other and joined to the back surface of a front glass 24.

Then, each solar cell module 22 is
A25, sealed with a back cover 26 so as to cover the back side, and this back cover 26 is
Is cut in the vicinity of the periphery of the front glass 24, and the rear surface of the front glass 24 is covered with a film 27 so as to overlap the cut periphery, thereby forming the light transmitting portion 28.

Therefore, the portion of the solar cell module 22 covered with the back cover 26 receives the natural light without transmitting light to generate power, and the peripheral portion 2 covered with the film 27 is formed.
8a and the front glass 24 of the separation portion 28b illuminate the interior and become brighter, and the solar cell module 22 used for the wall portion 35 and the window portion 41 allows the outdoor scenery to be seen.

Each of the solar cell modules 22 may be freely combined with adjacent cells 23 and may have the same shape or different shapes.

The other configuration and operation are the same as those of the first embodiment, and the description thereof is omitted.

[0041]

Third Embodiment A third embodiment of the present invention will be described with reference to FIG.

FIGS. 5A and 5B are views showing a solar cell module having a light transmitting portion according to Embodiment 3, wherein FIG. 5A is a plan view and FIG. 5B is a sectional view.

Referring to FIG. 5, a solar cell module 21 having a light transmitting portion has a plurality of cells 23 arranged at predetermined positions on the back side of a front glass 24, as shown in FIG. Then, as shown in the enlarged view, the cell 23 and the back cover 26 are removed by cutting into a circular shape surrounded by a chain line, and a transparent or translucent film 27 is bonded so as to overlap the back cover 26, The light transmitting portion 28 is formed.

As shown in the sectional view of FIG.
On the back side of the front glass 24, the cell 23 is sealed and bonded so as to cover it with the EVA 25, and the EVA 25 is covered with the back cover 26 and bonded. A film 27 indicated by a dashed line is bonded to the place where 26 has been removed.

The periphery of the solar cell module 22 is
At the same time as fixing with the frame 24a, the film 27 is also sandwiched and sealed so that outside air does not enter.

Other structures and operations are the same as those of the first embodiment, and the description thereof is omitted.

[0047]

EXAMPLE As shown in FIG. 6 below, as a result of forming various solar cell modules having a light-transmitting portion and conducting experiments, not only the solar cell module of crystalline system was satisfactory in power generation, but also light-transmitting. Whether the part is translucent or visible, or the display is shaped,
The effect was confirmed. [Exemplary Embodiment of Display Unit] FIG. 6A is an example in which light-transmitting units are arranged in parallel to achieve high light-transmitting property and high visibility.

FIG. 6B shows an example of a logo mark.
A transparent part is formed using a colored (semi-transparent) film.

FIG. 6C is an example showing a character display.

FIG. 6D is an example showing a picture display.

FIG. 6E shows an example of an advertisement board display, in which a plurality of solar cell modules of the character display of FIG. 6C are arranged in association with each other. ● Manufacturing method of display unit As shown in FIG. 6 (e), each cell arranged in a matrix has processing information on manufacturing.

For example, matrix position number: A2-A
The manufacturing process of b:-cell and back cover removal-film bonding (film No. 12 (thickness: 0.25
mm) (color: blue Ba)) ・ Removal operation: square cutting blade (single type) ・ Wiring connection: none The computer is operated with the computer input information of each position number such as to manufacture each solar cell module.

Of course, the cell and the back cover also input processing information such that the cell is not joined in advance and the back cover is opened. Therefore, a solar cell module having a light transmitting portion can be efficiently manufactured.

[0054]

As described above, according to the first aspect of the present invention, the periphery of the solar cell module is made translucent, so that the interior of the solar cell module becomes brighter by being radiated from the periphery, and You can see the outdoor scenery.

Also, since the cell is brought into contact with the back surface of the front glass and joined, it can be joined at a predetermined position without causing displacement. Further, since the back cover and the film are joined thereon, it is possible to prevent the invasion of the humidity of the outside air and prevent the cell from being deteriorated.

Further, since the conventional back glass is omitted, the weight is reduced. In particular, the weight of the roof is reduced, the rigidity of the building is reduced, and the cost can be reduced.

Further, since the solar cell module is covered with a tough back cover or a film, scattering can be prevented even if the front glass is broken. Therefore, it does not cause injury.

According to the second aspect of the present invention, since the peripheral portions and the distant portions of the plurality of solar cell modules are made transmissive, the radiating light increases from the peripheral portions and the distant portions, and the outdoor scene is further enhanced. It looks good. Therefore,
Simultaneously with the power generation, it is possible to shape the interior by variously changing the brightness of the interior by the light transmission, the shape of the solar cell module floating by the light transmission, and the shape of the separated portion and the peripheral portion.

According to the third aspect of the present invention, the light-transmitting portion is formed by removing the cell and the back cover in a predetermined shape at a predetermined position, so that the solar cell module can be freely shaped by the light-transmitting portion. And various display portions can be formed.

According to the fourth aspect of the present invention, a display portion formed of a transparent or translucent film can form various light-transmitting portions, and at the same time, displays a logo mark, a character, a picture, an advertising board, and the like. be able to.

Further, by making the film a colored film, a colorful indoor space can be produced, and the degree of appeal can be increased.

According to the fifth aspect of the present invention, since computer processing information is instructed in correspondence with the display unit, the manufacturing apparatus operates by the method of processing and wiring each cell in a matrix, and Battery modules can be easily manufactured,
Cost can be reduced.

The invention described in claim 6 can include a solar cell module having a light-transmitting portion on a roof, a wall, a window, or the like of a building. Therefore, it is possible to make the building a good-looking one while the power is being generated and the outdoor scenery can be seen brightly.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a building provided with a solar cell module having a light transmitting unit according to Embodiments 1, 2, and 3 of the present invention.

FIGS. 2A and 2B are diagrams showing a solar cell module having a light transmitting portion according to Embodiment 1, wherein FIG. 2A is a plan view and FIG. 2B is a cross-sectional view of a main part of FIG. 2A.

3A and 3B are diagrams showing a modification of FIG. 2 according to the first embodiment, wherein FIG. 3A is a plan view and FIG. 3B is a cross-sectional view of a main part of FIG. 3A.

FIGS. 4A and 4B are diagrams showing a solar cell module having a light-transmitting portion according to Embodiment 2, wherein FIG. 4A is a plan view and FIG. 4B is a cross-sectional view of a main part of FIG. 4A.

FIGS. 5A and 5B are diagrams showing a solar cell module having a light-transmitting portion according to Embodiment 3, in which FIG. 5A is a plan view and FIG. 5B is a cross-sectional view of a main part of FIG. 5A.

FIGS. 6A and 6B are diagrams showing an embodiment of a solar cell module having a light-transmitting portion according to the present invention, wherein FIG. 6A is a plan view showing an example of high translucency in which light-transmitting portions are arranged in parallel. Is a plan view showing an example of a logo mark, (c) is a plan view showing an example of a character display, (d) is a plan view showing an example of a picture display, and (e) is a plan view showing an example of an advertising board display. It is.

7A and 7B are diagrams showing a solar cell module having a light transmitting portion according to the related art, wherein FIG. 7A is a plan view and FIG. 7B is a cross-sectional view of a main part of FIG. 7A.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 21 ... Solar cell module which has a translucent part 22 ... Solar cell module 23 ... Cell 26 ... Back cover 27 ... Film 28a ... Peripheral part 28c ... Central part 30 ... Building 31 ... Roof part 35 ... Wall part 41 ... Window part

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2E108 AZ01 BB01 BN01 CC09 CV00 DF05 DF18 GG16 2E110 AA04 AA36 AB02 AB04 DB22 DD08 EA09 GB43W GB45W 5F051 BA03 EA01 EA18 JA02 JA04 JA05 JA09

Claims (6)

[Claims] 1. A solar cell having a light-transmitting portion that allows natural light and outdoor scenery to be transmitted and visible through a light-transmitting means to a crystalline solar cell module provided on a roof, a wall, a window, or the like. Module, wherein the light transmitting means removes the cell and the back cover into a predetermined shape from the peripheral part and / or the central part of the solar cell module, and is transparent or semi-transparent so as to seal the end of the back cover. A solar cell module having a light-transmitting portion, wherein the solar cell module is formed by attaching a transparent film so as to be transparent. 2. A solar cell having a light-transmitting portion that allows natural light and outdoor scenery to be transmitted and visible through a light-transmitting means to a crystalline solar cell module provided on a roof, a wall, a window, or the like. A module, wherein the light-transmitting means joins each solar cell module in which cells are combined in a predetermined shape by providing a predetermined peripheral portion or a separation portion on the back side of the front glass, and forming a back cover thereon. Pasting, removing the back cover of the peripheral portion and the separated portion, a transparent or translucent film is attached so as to seal the edge of the back cover, and the light transmitting portion is formed to be transparent. Having a solar cell module. 3. A solar cell having a light-transmitting portion that allows natural light and outdoor scenery to be transmitted and visible through a light-transmitting means to a crystalline solar cell module provided on a roof, a wall, a window, or the like. A module, wherein the light transmitting means removes cells and a back cover in a predetermined shape at a predetermined position of the solar cell module, and attaches a transparent or translucent film to seal an end of the back cover. A solar cell module having a light-transmitting portion, wherein the solar cell module is formed so as to be capable of transmitting light. 4. The predetermined shape of the arrangement of the cells in the crystalline solar cell module is a display portion such as a high translucency, a logo mark, a character, a pattern, an advertising board or the like in which the combination thereof is provided. A solar cell module having the translucent portion according to claim 1. 5. The method of producing the display unit and interconnect wiring method from the cells arranged in a matrix in the solar cell module in correspondence with the display unit, the computer processing being possible. Claim 1
A solar cell module having the light-transmitting portion according to any one of claims 1 to 4. 6. A building comprising a solar cell module having a light-transmitting portion on a roof, a wall, a window, or the like.