TWI805202B - Bifacial solar sound-insulation module and bifacial solar sound-insulation device - Google Patents

Abstract

A bifacial solar sound-insulation module, includes a solar cell unit, and a microporous sound-insulation unit. The solar cell unit has a first illuminated surface and a second illuminated surface that are spaced from each other, and can convert light energy into electricity when any one of the first illuminated surface and a second illuminated surface is illuminated. The microporous sound-insulation unit is transparent, and has a plurality of micropores that are spaced from one another. By virtue of the conversion of the solar cell unit and the design of the microporous sound-insulation unit, the bifacial solar sound-insulation module can not only absorb sound to reduce noise, but also convert sunlight in different directions into electricity. A bifacial solar sound-insulation device is also provided.

Description

Double-sided solar sound insulation module and double-sided solar sound insulation device

The invention relates to a solar module, in particular to a double-sided solar sound insulation module and a double-sided solar sound insulation device.

Renewable energy generation with low carbon emissions, such as: using solar energy, wind power, geothermal energy, ... and other renewable energy sources to convert into electric energy, has a relatively low impact on the environment and contributes to environmental protection and sustainable management . Among them, for areas with high sunshine at low latitudes, the difference in the length of sunshine in each season is relatively small. Therefore, if the solar energy can be fully converted into electrical energy, it will become a stable source of electrical energy. Therefore, how to make full use of solar energy has become one of the goals of active research and development.

Therefore, one of the objectives of the present invention is to provide a double-sided solar sound insulation module capable of at least overcoming the disadvantages of the prior art.

Therefore, the double-sided solar sound insulation module of the present invention includes a solar cell unit and a light-permeable microporous sound insulation unit.

The solar battery unit has a first illuminating surface and a second illuminating surface spaced apart from each other, and can convert light energy into electrical energy when any one of the first illuminating surface and the second illuminating surface is illuminated.

The light-permeable microporous sound insulation unit is arranged on the first light-emitting surface of the solar cell unit and has a plurality of spaced apart micropores.

Therefore, another object of the present invention is to provide a double-sided solar sound insulation device capable of at least overcoming the disadvantages of the prior art.

Therefore, the double-sided solar sound insulation module of the present invention includes a plurality of the above-mentioned double-sided solar sound insulation modules, and the double-sided solar sound insulation modules are electrically connected to each other in at least one of series and parallel electrical connections. .

The effect of the present invention is that the solar cell unit can absorb light on both sides and convert light energy into electrical energy, and the design of the microporous sound-insulating unit can absorb noise and fully perform photoelectric conversion on sunlight in different directions.

10: Double-sided solar sound insulation module

2: Solar cell unit

21: The first light-transmitting electrode layer

211: The first illuminated surface

22: The second transparent electrode layer

221: Second lighting surface

23: Photoelectric conversion layer

3: Microporous sound insulation unit

31: Plane support plate

32: Sound-absorbing panels

321: microporous

322: first surface

323: second surface

4: Translucent layer

5: Outer frame unit

51: frame

W: width

L1: Arrow

L2: Arrow

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: Fig. 1 is an incomplete front view illustrating the double-sided solar sound insulation module of the present invention Figure 2 is an incomplete three-dimensional exploded view, illustrating this embodiment of the present invention, and omitting an outer frame unit; Figure 3 is an incomplete section taken along the III-III line in Figure 1 sectional view; and FIG. 4 is an incomplete front view illustrating an embodiment of the double-sided solar sound insulation device of the present invention, which has multiple solar sound insulation modules.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numerals.

Referring to Fig. 1 to Fig. 3, an embodiment of the double-sided solar sound insulation module 10 of the present invention comprises a solar cell unit 2, a light-permeable microporous sound-insulation unit 3, a light-transmitting board layer 4, and an outer Box unit 5.

The solar battery unit 2 includes a first light-transmitting electrode layer 21 having a first light-emitting surface 211 and being conductive, a second light-transmitting electrode layer 21 spaced apart from the first light-emitting electrode layer 21 and having a second light-emitting surface 221 A photoelectrode layer 22, and a photoelectric conversion layer 23 sandwiched between the first light-transmitting electrode layer 21 and the second light-transmitting electrode layer 22 and capable of converting light energy into electrical energy.

The second illuminating surface 221 is opposite to the first illuminating surface 211 . The first light-transmitting electrode layer 21 and the second light-transmitting electrode layer 22 are respectively made of transparent conductive material, and the transparent conductive material is, for example but not limited to, an extremely thin metal layer that can transmit light, or can transmit light. Optical and conductive metal oxides. When any one of the first light-emitting surface 211 and the second light-emitting surface 221 of the solar battery unit 2 is illuminated, the light energy passes through the first light-transmitting electrode layer 21 and/or the second light-transmitting electrode layer 22, and The photoelectric conversion layer 23 is used to convert light energy into electrical energy, and then the first transparent electrode layer 21 and the second transparent electrode layer 22 are used to jointly conduct the electrical energy to the outside. Preferably, the photoelectric conversion layer 23 is selected from a single crystal solar cell, a polycrystalline solar cell, and a thin film solar cell.

In other variations of this embodiment, each of the first light-transmitting electrode layer 21 and the second light-transmitting electrode layer 22 may have a light-transmitting and insulating electrode arrangement layer, and a plurality of spaced through The electrode set layer is in ohmic contact with the electrode block (not shown) of the photoelectric conversion layer 23 , as long as the electrical energy of the photoelectric conversion layer 23 can be conducted to the outside.

The microporous sound-insulating unit 3 is plate-shaped, and includes a planar support plate 31 that is attached to the first illuminating surface 211 of the solar cell unit 2 with an adhesive (not shown), and can transmit light, and A light-transmitting sound-absorbing board 32 is attached to a side of the planar support board 31 opposite to the solar cell unit 2 and defines a plurality of microholes 321 .

Preferably, the adhesive is made of ethylene-vinyl acetate copolymer (Ethylene-Vinyl Acetate, hereinafter referred to as "EVA") is mainly made, and can transmit light. The microholes 321 are spaced apart from each other and arranged in an array.

The planar support plate 31 is a solid plate without through holes, and is made of transparent glass. The material of the sound-absorbing board 32 is selected from one of glass and plastic, and has a first surface 322 attached to the plane support plate 31, and a side opposite to the first surface 322 and facing outwards. the second surface 323 . Each microhole 321 is circular and runs through the first surface 322 and the second surface 323 . The width W of each microhole 321 is not less than 0.1mm and not more than 5mm, and the extension direction of each microhole 321 can be perpendicular to the plane support plate 31, or can be sandwiched with the plane support plate 31 in an upward or oblique direction. Downward slope angle. In this embodiment, the total thickness of the microporous sound insulation unit 3 is 5mm.

The light-transmitting plate layer 4 is light-transmitting and has a plate shape, and is attached to the second illuminating surface 221 of the solar battery unit 2 with the adhesive. The light transmittance of the transparent plate layer 4 is greater than 90%, which can allow sunlight to fully penetrate and enter the solar battery unit 2 . In this embodiment, the light-transmitting plate layer 4 is a solar ultra-clear glass with a thickness of 3.2 mm.

The outer frame unit 5 is four interconnected and fixed frames around the solar cell unit 2, the microporous sound insulation unit 3, and the outer peripheral surface of the light-transmitting plate layer 4 and is a strip-shaped frame 51, which can protect and reduce the The probability of damage to the solar battery unit 2 , the microporous sound insulation unit 3 and the transparent plate layer 4 when subjected to external force. Preferably, the outer frame unit 5 is made of metal, alloy or plastic steel.

When in use, the double-sided solar sound insulation module 10 is suitable for erecting on the wall of a building, and is especially suitable for an environment with high noise volume, such as the outer wall of the second road and/or the separation island. Utilizing the sound-absorbing panel 32 of the microporous sound insulation unit 3, the double-sided solar sound insulation module 10 can not only effectively absorb the sound emitted by the vehicle while driving, thereby reducing the noise transmitted from the expressway, but also due to the microporous sound insulation Both the unit 3 and the light-transmitting plate layer 4 can transmit light, and since the solar cell unit 2 is a double-sided solar cell, no matter whether sunlight enters the photoelectric conversion from the first illuminating surface 211 or the second illuminating surface 221 Layer 23, can be converted into electrical energy. Therefore, in the morning, sunlight from the east (arrow L1 in FIG. 3 ) can first pass through one of the microporous sound insulation unit 3 and the light-transmitting plate layer 4, and then from the corresponding first illuminating surface 211 or The second illuminating surface 221 enters the solar battery unit 2 to convert light energy into electrical energy. In the afternoon, the light from the sun (arrow L2 in FIG. 3 ) from the west first passes through the other of the microporous sound insulation unit 3 and the light-transmitting plate layer 4, and then passes through the corresponding first illuminating surface 211 or the second light-emitting surface 211. The two illuminating surfaces 221 enter the solar battery unit 2 and can also convert light energy into electrical energy.

It can be seen from the above that the double-sided solar sound insulation module 10 can not only absorb sound and eliminate noise, but also fully convert sunlight energy from different directions throughout the day into electrical energy.

It should be noted that, in other variations of this embodiment, the planar support plate 31 can be omitted, and the sound-absorbing plate 32 is directly attached to the first illuminating surface 211 of the solar battery unit 2, which can also achieve sound-absorbing Noise reduction function.

Referring to Fig. 4, it is an embodiment of the double-sided solar sound insulation device of the present invention, which is suitable for erecting on a highway extending in a north-south direction. The double-sided solar sound insulation device includes a plurality of double-sided solar sound insulation modules 10 as mentioned above. The double-sided solar sound insulation modules 10 are electrically connected to each other in at least one of serial and parallel electrical connections. In this embodiment, the double-sided solar sound insulation modules 10 are electrically connected to each other in series.

The double-sided solar sound insulation device can be erected on the top side of the outer wall of the highway or the top side of the partition island according to the length of the expressway and the undulations of the terrain, and can also receive a whole day The sunlight from the east and west is converted into electricity. And because the highway is at least hundreds of kilometers long, when the total length of the double-sided solar sound insulation device erected exceeds one hundred kilometers, it can generate a considerable amount of total electricity, and does not need to build additional open space as a kind of electric field, which is quite suitable Applied to narrow and densely populated areas.

In summary, the double-sided solar sound insulation module 10 of the present invention can convert the light from the first illuminating surface 211 and the second illuminating surface 221 into electrical energy by utilizing the solar cell unit 2, and utilize the microporous sound insulation unit 3 and the light-transmitting plate layer 4 can allow light to pass through and enter the design of the solar cell unit 2. In addition to sound absorption and noise reduction, it can also effectively convert all solar energy that rises from east to west and falls from west to west throughout the day. In addition, the total length of the double-sided solar sound insulation device erected on the north-south expressway is relatively long, and it can further generate more electric energy without adding an additional electric field, which is quite suitable for application in sunshine The area with long space, high sunshine amount, and relatively narrow land and high population density can really achieve the purpose of the present invention.

But what is described above is only an embodiment of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

10: Double-sided solar sound insulation module

2: Solar cell unit

21: The first light-transmitting electrode layer

211: The first illuminated surface

22: The second transparent electrode layer

221: Second lighting surface

23: Photoelectric conversion layer

3: Microporous sound insulation unit

31: Plane support plate

32: Sound-absorbing panels

321: microporous

322: first surface

323: second surface

4: Translucent layer

5: Outer frame unit

51: frame

W: width

L1: Arrow

L2: Arrow

Claims (8)

A double-sided solar sound insulation module, comprising: a solar cell unit, having a first illuminating surface and a second illuminating surface spaced apart from each other, and can be placed on any one of the first illuminating surface and the second illuminating surface When illuminated, light energy is converted into electrical energy; a light-permeable microporous sound-insulating unit is arranged on the first illuminated surface of the solar cell unit, and has a plurality of spaced apart micro-holes, and the micro-porous sound-insulating unit includes a a sound-absorbing plate arranged on the first illuminating surface of the solar cell unit, and a plane support plate attached between the first illuminating surface of the solar cell unit and the sound-absorbing plate, the sound-absorbing plate can transmit light, and The material is selected from glass, the sound-absorbing board has a first surface facing the solar cell unit, and a second surface opposite to the first surface, and each microhole runs through the first surface and the second surface. surface, the extension direction of each microhole and the planar support plate form an inclined upward or downward angle; The light rate is greater than 90%. The double-sided solar sound insulation module according to Claim 1, wherein the microholes are arranged in an array. The double-sided solar sound insulation module according to claim 2, wherein the width of each microhole is not less than 0.1mm and not more than 5mm, and the material of the planar support plate is transparent glass. The double-sided solar sound insulation module as claimed in claim 1, wherein the light-transmitting plate layer is a solar ultra-clear glass. The double-sided solar sound insulation module as described in claim 1, wherein the solar cell unit includes a first light-transmitting electrode layer and a second light-transmitting electrode layer that are spaced apart from each other and can transmit light, and a sandwiched The photoelectric conversion layer between the first light-transmitting electrode layer and the second light-transmitting electrode layer and capable of converting light energy into electric energy, the first light-transmitting electrode layer has the first light-emitting surface, and the second light-transmitting electrode The layer has the second illuminated surface. The double-sided solar sound insulation module according to claim 5, wherein the photoelectric conversion layer is selected from a single crystal solar cell, a polycrystalline solar cell, and a thin film solar cell. The double-sided solar sound insulation module as described in Claim 1 further includes an outer frame unit, which fixedly surrounds the solar battery unit, the microporous sound insulation unit, and the light-transmitting board layer. A double-sided solar sound insulation device, comprising a plurality of double-sided solar sound insulation modules as described in claim 1, and the double-sided solar sound insulation modules are electrically connected to each other in at least one of series and parallel electrical connections. connect.

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