JPH0921117A - Display system using sound-insulation panel having solar cell combindly - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a monotone felt by a driver at the time when driving a car in a tunnel or a place where sound-insulation walls are installed, by efficiently making use of solar cells and sound-insulation panels. SOLUTION: This display system is constituted of sound-insulation walls 4 erected at the sides of a highway 10 and a display device 6 installed on the wall of a tunnel 9. The sound-insulation walls 4 are constituted of columns 4a made of H-shaped steel members and erected at every specified distance of the side of the highway 10, and frames 4b supported by the columns 4a. Sound-insulation panels 8 assembled with solar cell panels as a unit are fixed to respective rectangular spaces 4c defined by the frames 4b. The display device 6 is constituted of a luminous part 6a forming figures and letters and a controller thereof. These are actuated by the electric power supplied from the amorphous solar cell panels constituting the sound-insulation panel assembled with solar cells as a unit and the display system indicates various images on the walls in the tunnel 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display system using a solar cell integrated sound insulation panel.

[0002]

2. Description of the Related Art Solar cells convert light energy into electric energy and do not generate carbon dioxide as in thermal power generation. Therefore, solar cells are widely spread from the viewpoint of solving global environmental problems. Is an important issue that should be addressed. Among the solar cells, amorphous solar cells have recently attracted attention because they are lightweight, suitable for mass production, and low in cost, although their energy conversion efficiency is slightly inferior to that of crystalline solar cells. Conventionally, when trying to obtain electric energy using this solar cell, a wide space is secured on the ground, a dedicated stand is placed, the solar cell is installed on it, or the roof of a building is used. A pedestal is placed on and solar cells are installed. On the other hand, on highways and the like, noise barriers are provided on both sides of the road to block the noise emitted by the traveling vehicle to solve the noise problem.

[0003]

As described above, in order to install a solar cell, it is necessary to secure a place on the ground or on a building, and a dedicated stand must be provided, which is a great problem. It was expensive. On the other hand, a conventional sound insulation wall provided on the side of a highway or the like occupies a very large area as a whole, but merely fulfills a sound insulation function. Also, when driving in a tunnel on an expressway, the walls of the tunnel continue for a long time, especially when the tunnel is long, so what is visible is monotonous, and the drivers are psychologically distressed. There are many cases where people feel or feel drowsy, which has an adverse effect on ensuring safety during high-speed driving. Such a problem also occurs in a place where a sound insulating wall that is tall and cannot see the outside scenery is installed over a long distance.

The present invention has been made by paying attention to these points, and its purpose is to effectively utilize a solar cell and a sound insulation panel to improve monotonousness when traveling in a tunnel or a place where a sound insulation wall is installed. An object of the present invention is to provide a display system using a sound insulation panel integrated with a solar cell that does not require an electricity bill.

[0005]

In order to achieve the above object, the present invention provides a solar cell and the solar cell attached to the solar cell,
A sound insulation panel forming a sound insulation wall arranged in the vicinity of a highway, and a display device for displaying an image on the wall of the tunnel of the highway or the wall of the sound insulation wall by using the solar cell as a power source. Characterize.

According to the present invention, the sound insulation panel has a rectangular frame, a metal plate having a large number of slits or holes attached to one surface of the frame, and a back surface of the metal plate. The solar cell is attached to the other surface of the frame with the light-receiving surface facing outward.
The present invention is also characterized in that the display device includes a light emitting section for image formation and a control section for supplying electric power generated by a solar cell to the light emitting section. The present invention is also characterized in that the light emitting unit is constituted by any one of a neon sign, an electronic bulletin board, an incandescent lamp, and a fluorescent lamp. The present invention is also characterized in that the control unit is configured to include a storage battery that stores electric power generated by the solar cell. The invention is also characterized in that the solar cell is an amorphous solar cell.

According to the present invention, when solar rays are incident on the solar cell attached to the sound insulation panel, the solar cell generates electric power and supplies it to the display device. As a result, the display device operates and displays an image on the wall of the tunnel of the highway or the wall of the sound insulation wall.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Next, embodiments of the present invention will be described. FIG. 1 is a cross-sectional side view showing an example of a display system using a sound insulation panel integrated with a solar cell according to the present invention.
Display system using this solar cell integrated sound insulation panel 2
Is composed of a sound insulation wall 4 and a display device 6 provided on the side of the highway 10.

The sound insulation wall 4 includes columns 4a made of H-shaped steel or the like, which are erected at predetermined intervals on the sides of the highway 10, and a frame 4b supported by the columns 4a.
A solar cell integrated sound insulation panel 8 is attached to each horizontally long space 4c formed by b.

The solar cell integrated sound insulation panel 8 has the following structure. 2 is a cross-sectional side view of the solar cell integrated sound insulation panel, FIG. 3 is a front view, and FIG. 4 is an enlarged front view of the relevant part. As shown in these drawings, the solar cell integrated sound insulation panel 8 includes a frame-shaped frame 12, a zinc iron plate 14,
It is composed of an amorphous solar cell panel 16 and a sound absorbing material 18. The frame 12 has upper and lower side portions 12.
02 and the left and right side portions 1204 form a horizontally long rectangle corresponding to the above-described space portion 4c. Road 10
A large number of holes 1402 are formed in the zinc iron plate 14 arranged on the side. The sound absorbing material 18 is made of glass wool or the like and is attached to the inner surface of the zinc iron plate 14.
The noise of the vehicle traveling on the highway is absorbed by the zinc-iron plate 14 and the sound absorbing material 18 in which these many holes are formed.

The amorphous solar cell panel 16 is attached to the surface side of the frame 12 facing the outside, and a recess 1601 recessed toward the sound absorbing material 18 side is formed in the center. Therefore,
The solar cell integrated sound insulation panel 8 includes a zinc iron plate 14, a sound absorbing material 18, and an amorphous solar cell panel 16 in the thickness direction.
The air layer 20 is provided between the sound absorbing material 18 and the amorphous solar cell panel 16. A plug 1616 and a socket 1618 are electrically connected to the amorphous solar cell panel 16.

The amorphous solar cell panel 16 is shown in FIG.
As shown in the sectional side view of FIG. The stainless steel substrate 1602 has a thickness of 0.125 mm, for example, and also functions as a negative electrode. An amorphous silicon layer 1604 is formed on the stainless steel substrate 1602. This amorphous silicon layer 1604 has a known multilayer structure including P layer, I layer, and N layer necessary for forming an amorphous solar cell. Amorphous silicon layer 160
4, a transparent electrode 1606 is formed, and this transparent electrode 1606 serves as a positive electrode.

Protective layers 1608 and 1610 are formed on the lower surface of the stainless substrate 1602 and the upper surface of the transparent electrode 1606 by coating with a fluororesin. The protective layers 1608 and 1610 have a thickness of 1.0 mm, for example. Further, the protective layer 1610 on the transparent electrode 1606 is made of a fluororesin having a light transmitting property. Transparent electrode 1
The light receiving surface (front surface) 16A of the solar cell panel 16 is on the side of 606 and the protective layer 1610.
The side of 602 and the protective layer 1608 is the back surface 16B of this amorphous solar cell panel 16. On the back surface 16B of the amorphous solar cell panel 16, a base layer 1612 made of synthetic resin is formed. The thickness of the amorphous solar cell panel 16 except for the base layer 1612 is 3
The thickness is less than or equal to mm, and has some flexibility, and the underlayer 1612 also has flexibility. Transparent electrode 1606
The (positive electrode) and the stainless steel substrate 1602 (negative electrode) are respectively connected to the plug 1 via a lead wire 1614 as shown in FIG.
616 and socket 1618.

The sound insulation wall 4 is constructed by fitting the solar cell integrated sound insulation panel 8 into the space 4c of the frame 4b and bolting the frame 4b and the frame 12 together with bolts, as in the case of using a conventional sound insulation panel. It is carried out by fixing with. By constructing the sound insulation wall 4 as described above, the noise of the vehicle traveling on the highway 10 is shielded. Further, the large number of solar cell panels 16 are electrically connected by, for example, coupling mutually plugs 1616 and sockets 1618.

On the other hand, the display device 6 comprises a light emitting portion 6a and a control portion 6b thereof, and the light emitting portion 6b, as shown in FIG.
A figure or a character, that is, an image is formed and attached to the wall of the tunnel 9, for example, and the control unit 6b is attached to the wall of the tunnel 9 in the vicinity thereof. Although the electronic bulletin board is used as the display device in this embodiment, there are various other devices such as a neon sign, an incandescent lamp, and a fluorescent lamp. Light emitting unit 6a and control unit 6
b is connected by a predetermined cable, and the control unit b
Is connected to the amorphous solar cell panel 16 of the solar cell integrated soundproof panel 8 via the socket 1618 by a predetermined cable. In FIG. 1, 1
Although only the display device 6 of the location is shown, in reality, the light emitting portions 6 are provided at a plurality of locations at predetermined intervals in the longitudinal direction of the tunnel 9.
A display device 6 including a and a control unit 6b is installed.

In such a structure, when solar rays enter the amorphous solar cell panel 16 which constitutes the sound insulation panel 8 of the sound insulation wall 4, the amorphous solar cell panel 1
6 generates electric power and supplies it to the control unit 6b of the display device 6 through a cable. As a result, the control unit 6b operates to apply a predetermined voltage to the light emitting unit 6a, and for example, the graphics and characters shown in FIG. 1 are displayed in various colors, for example, by turning on or off in a predetermined order. Let

Therefore, the driver and passengers of the car can see such a display on the display device 6, and as a result, even if the tunnel is long, they feel pain or drowsiness as in the conventional case. You can safely drive in the tunnel without having to hold an event. As the image displayed by the display device 6, various contents such as local tourist information, advertisements, road information, and scenery can be displayed.

In this embodiment, since the display device 6 is supplied with electric power by the amorphous solar cell panel 16, even if the display device 6 performs the above-mentioned display, no electricity bill is required. Further, in this embodiment, since the solar cell is provided as a sound insulation wall, it is not necessary to secure a dedicated space for installing the solar cell, and a dedicated stand is not necessary.

In order to stabilize the electric power supplied to the light emitting section 6a, the control section 6b may be constituted by using a regulator or a storage battery. When the display device 6 requires a voltage higher than the power generated by the amorphous solar cell panel 16, the voltage is converted into an AC voltage by an inverter, the transformer boosts the voltage to the required voltage, and the voltage is supplied to the display device 6. In that case, it is of course possible to stabilize the voltage by using a regulator. Moreover, if a part of the electric power generated by the amorphous solar cell panel 16 is stored in a storage battery and the storage battery supplies the electric power to the display device 6 at night or on a rainy day, for example, It is possible to always display the above display in the tunnel regardless of the weather. Furthermore, although the display device 6 is attached to the wall of the tunnel 9 in the present embodiment, the display device 6 may be attached to the inside of the sound insulation wall in a place where the sound insulation wall is installed over a long distance. Also, similar effects such as elimination of monotony can be obtained. The display device 6 may be provided outside the sound insulation wall. In addition, although an amorphous solar cell is used as the solar cell in the present embodiment, this is merely an example, and it is of course possible to use a crystalline solar cell instead of the amorphous solar cell.

[0020]

As described above, the display system using the sound insulation panel integrated with the solar cell of the present invention includes a solar cell,
A sound insulation panel to which the solar cell is attached and which constitutes a sound insulation wall arranged near an expressway, and a display for displaying an image on the wall part of the tunnel of the highway or the wall part of the sound insulation wall using the solar cell as a power source. It is composed by the device.

Therefore, in the display system using the sound insulation panel integrated with the solar cell of the present invention, not only the sound insulation effect is obtained, but also an image is displayed on the wall of the tunnel or the inner wall of the sound insulation wall by the display device. As a result, the monotony of traveling in a tunnel or a place where a sound insulation wall is installed is eliminated, and as a result, there is no need to feel pain or drowsiness as before, driving safely and without boredom. can do. Further, not only for eliminating monotonousness, it is possible to display various road information relating to traffic congestion, weather, accidents, etc. of the vehicle, which is useful for smooth running or improvement of safety. Moreover, since the display device uses a solar cell as a power source, no electricity bill is required. Further, since the solar cell is integrated with the sound insulation panel, it is not necessary to newly secure a place for disposing the solar cell or provide a pedestal.

[Brief description of drawings]

FIG. 1 is a cross-sectional side view showing a display system using a solar cell integrated sound insulation panel of the present invention.

FIG. 2 is a sectional side view showing a sound insulation panel of a sound insulation wall that constitutes a display system.

FIG. 3 is a front view of a sound insulation panel.

FIG. 4 is an enlarged front view of a main part of the sound insulation panel.

FIG. 5 is a cross-sectional view showing an amorphous solar cell panel that constitutes a sound insulation panel.

[Explanation of symbols]

 2 Display system using solar cell integrated sound insulation panel 4 Sound insulation wall 6 Neon sign 6a Display section 6b Control section 8 Solar cell integrated sound insulation panel 9 Tunnel 10 Highway 16 Amorphous solar cell panel

Claims (6)

[Claims] 1. A solar cell, a sound insulation panel which is mounted with the solar cell and constitutes a sound insulation wall arranged near an expressway, and a wall portion of a tunnel of the expressway or the sound insulation wall using the solar cell as a power source. A display system using a sound insulation panel integrated with a solar cell, comprising: a display device for displaying an image on the wall of the solar cell. 2. The sound insulation panel is arranged on a rectangular frame-shaped frame, a metal plate having a large number of slits or holes attached to one surface of the frame, and a back surface of the metal plate. A display using a sound insulation panel integrated with a solar cell according to claim 1, wherein the solar cell is configured to include a sound absorbing material, and the solar cell is attached to the other surface of the frame with a light receiving surface facing outward. system. 3. The solar cell integrated sound insulation panel according to claim 1, wherein the display device includes a light emitting portion for image formation and a control portion for supplying electric power generated by a solar cell to the light emitting portion. Display system using. 4. The display system using a sound insulation panel integrated with a solar cell according to claim 1, wherein the light emitting unit is composed of any one of an electronic bulletin board, a neon sign, an incandescent lamp, and a fluorescent lamp. 5. The control unit is configured to include a storage battery that stores the electric power generated by the solar cell.
A display system using the sound insulation panel integrated with a solar cell described. 6. The display system using a sound insulation panel integrated with a solar cell according to claim 1, wherein the solar cell is an amorphous solar cell.