JP3519879B2 - Solar cell type display - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic display device such as an electronic road display, an electronic curve road display, an electronic signboard, a gate light, an entrance guide light, etc. Regarding display device.

[0002]

2. Description of the Related Art Generally, a control board, a storage device capable of storing electric power generated by a solar cell, a light-emitting body which receives the generated power and emits light, and guides the light from the light-emitting body to a light-emitting end through an optical fiber. 2. Description of the Related Art A solar cell type display device including a sign portion that forms a predetermined sign is known. A conventional solar cell type display device of this type is one that stores electricity from a solar cell in a storage battery (battery) or a condenser (capacitor) in the daytime and takes out stored electricity at night to perform display. It is used when a plurality of display devices are combined to perform a predetermined display (for example, an arrow sign indicating that a curve exists in the forward direction of a road).

In a conventional display device, various parts including a large number of optical fibers and a large electric storage device are housed in the display device main body.

[0004]

[Problems to be Solved by the Invention]
No proposal has been made regarding the layout for efficiently storing various components including a large number of optical fibers in the main body.

An object of the present invention is to provide a solar cell type display device capable of efficiently storing various parts in the display device body.

[0006]

According to a first aspect of the present invention, there is provided a control board, a storage device capable of storing electric power generated by a solar cell, and a light-emitting body which receives the generated power to emit light.
In a solar cell type display device including a sign portion that guides light from the light emitting body to a light emitting end through an optical fiber to form a predetermined sign, in the main body of the display device, the above-mentioned respective parts are provided in the display device. From one side of the main body to the other side, the control board, the light emitter, the marker, and the capacitor are housed in this order, and the light emitter is substantially arranged with respect to the arrangement position of the light emitting end that represents the outline of the marker. It is characterized by being placed in the center.

According to the first aspect of the present invention, the control board is provided on one side of the display device main body, and the large-sized capacitor is provided on the other side. Then, in the center of the display device body, a light-emitting body is provided at a position close to the control board,
The sign portion forming the predetermined sign is housed with a margin in a substantially central portion of the display device body so that the optical fiber extending from the light emitting body can be housed easily. According to this, various parts including a large number of optical fibers are stored very efficiently in the display device main body.

According to a second aspect of the present invention, a control board, a storage device capable of storing generated power in a solar cell, a light-emitting body which receives the generated power to emit light, and light from the light-emitting body through an optical fiber. In a solar cell type display device provided with a sign portion that leads to a light emitting end to form a predetermined sign,
In the main body of the display device, the respective components are housed in this order from one side part to the other side part of the display device main body, a control board, a light-emitting body, a marking part, and a capacitor, and the control board is It is fixed to the one side portion, the condenser is fixed to the other side portion, and the light emitting body is arranged substantially in the center with respect to the arrangement position of the light emitting end showing the outline of the sign portion. Is.

According to this, since the control board is fixed to one side portion and the condenser is fixed to the other side portion and an extra space is formed in the display device main body, a large number of optical fibers are used. The various parts including it are stored very efficiently.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, preferred embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows the structure of a single display unit 100, and a solar cell 10 is provided in the display unit 100. The solar cell 10 is arranged above the display device body 12 so as to efficiently receive sunlight, and is housed in a transparent light-receiving portion casing 14 to be protected from dust, wind and rain.

The display device main body 12 is box-shaped, and the four side walls 81a to 81d are made of aluminum. The front part is
The indicator panel portion 83 is made of resin, and the back surface portion is made of a back surface panel portion 85 made of aluminum, as shown in FIGS. 2 and 3. The back panel portion 85 is provided with a hook holder 87.
For example, a guide post on the road, a pillar 89, or the like is inserted.

As shown in FIG. 1, in the display device main body 12, a control board 24, a battery 16 capable of storing the electric power generated by the solar cell 10, and a light-emitting body ("LED 20), and the sign portion 18 and the like for guiding the light from the LED 20 to the light emitting end 32 through the optical fiber 30 to form a predetermined sign.

According to this embodiment, each component 16, 1
Reference numerals 8, 20, and 24 denote one side portion 12 of the display device body 12.
From a to the other side 12b, the control board 24, L
The ED 20, the sign portion 18, and the storage battery 16 are stored in this order.

An electric double layer capacitor can be used as the capacitor 16, for example. The electric double layer capacitor is a secondary battery that has a long life because it has no chemical change, is relatively high in voltage and stable, and is excellent in usability.

The control board 24 described above is the display device main body 1
It is fixed to the inner surface of the one side wall 81a of the second member 2 via bolts 24a for electrical insulation.

The above-mentioned LED 20 is provided near the control board 24, as shown in FIGS. 4 to 6. The LED 20 is fixed to the sign panel portion 83 after being mounted on the mount 71. That is, an L-shaped holder 82 is fixed to the sign panel portion 83 with an adhesive, and a mounting base 71 for holding the LED 20 and a support plate 72 are addressed to the L-shaped holder 82. As shown in FIG. 5, the mount 71 and the support plate 72 are connected to each other via two bolts 75. An optical fiber bundle (bundling portion) 7 for bundling one end of a larger number of optical fibers 30 is attached to the mount 71.
3 is attached.

The optical fiber bundle 73 is rotatably mounted between the holder 82 and the mounting base 71. According to this, the direction of the optical fiber bundle 73 changes in an arbitrary direction, which facilitates the work of connecting the optical fiber 30.

The mount 71 is inserted so that the light incident end 73a of the optical fiber bundle 73 faces the light emitting surface of the LED 20. The other ends of the optical fibers 30 extending from the optical fiber bundle 73 are respectively provided with the marker 18
Is connected to the light emitting end 32 representing the outline (arrow) of the above with an adhesive. The light emitting end 32 is a light emitting end of the optical fiber 30, and is specifically a hole formed in the sign panel portion 83.

The sign in the sign section 18 is formed in an arbitrary shape (for example, a road sign) desired to be displayed, and the sign shown in FIG.
In the example shown in FIG.

The optical fiber bundle 73 has a marking portion 1
It is located approximately in the center of the sign (arrow) in 8. If the optical fiber bundle 73 is arranged at the end of the marker of the marker 18 as in the conventional case, the distance between the optical fiber bundle 73 and the light emitting end 32 of the marker 18 may be long or short. become. According to this, since the optical fiber bundle 73 is arranged substantially in the center of the sign (arrow),
Since it is not necessary to prepare an extremely long fiber or an extremely short fiber for the optical fiber 30 connected to each light emitting end 32, a well-organized connection state can be obtained.

The relatively large storage battery 16 is shown in FIGS.
As shown in FIG. 7, each of the two storage holders 61 has five
The storage holders 61 are individually stored and attached to the inner surface of the other side wall 81c of the display device body 12. That is, 200 is a fixing plate fixed to the inside of the side wall 81c with rivets (not shown), 201 is an L-shaped fixture, one piece 202 of which is fixed to the fixing plate with a screw 203 , and the other piece 204 of the condenser 16 is attached. Placed. This storage
The container 16 is fixed by the storage holder 61. The storage holder 61 has a pawl member 65 for holding each of the electric storage devices 16 at one end and a screw 205 at the other end for attaching the attachment member 2 respectively.
01 is provided with the attachment member attached to the other piece 204. 202 is a cut and raised portion formed on the other piece 204,
The pawl members described above are engaged.

As described above, according to this embodiment,
The control board 24 is fixed to one side wall 81a of the display device main body 12, and the other side wall 81c has a large-capacity capacitor 16
Is fixed, and the light-emitting body 20 is provided in the center of the display device body 21 at a position close to the control board 24. The sign portion 18 forming a predetermined sign accommodates the optical fiber 30 extending from the light-emitter 20. For convenience, since the display device main body 12 is accommodated with a margin in a substantially central portion thereof, various parts including a large number of optical fibers 30 are extremely efficiently accommodated in the display device main body 12.

Next, referring to FIG. 8, the display unit 10
An example of a system in which a plurality of 0s are combined and each display unit is linked to perform a predetermined display will be described.

This system example has a plurality of display units 1.
00A ... 100N are arranged in one direction from the left side to the right side in the drawing, and each display unit 100A
... By linking to sequentially turn on 100N, the sign portion 18 is formed so as to display the light flow of the arrow. For example, the state of the traveling direction of the road, that is, the presence of a curve is visually recognized, or the automobile on the road under construction. It is configured to call the driver's attention.

Each control board unit 24 of each display unit 100A ... 100N has connection terminals 50, 5 for interlocking control.
2, 54 and 56, and the interlocking command signal CS is sequentially relayed via the connection terminals 52 to 56 and the signal wirings 55 (hot side) and 57 (GND side) from the front display unit 100A to the rear display. It is adapted to be transmitted to the control board unit 24 of the unit 100N.

The connection terminals 54 and 56 are connected to the solar cell 10 including the battery 16, and the terminal 56 is connected to the LED 20. Terminals 52 and 54 are voltage dividing resistors 42 and 44.
Is connected to the base of the LED driving transistor 40 via. The emitter of the transistor 40 is a resistor 60
The collector is connected to the electric wiring part 57 by being connected to the LED 20 via.

Each control board unit 24 is connected to the storage battery 16 to the storage battery 16 during the daytime (light receiving time of sunlight).
Allowed to charge to the power storage at night (non-light-receiving time of sunlight)
The electric power charged in the container 16 is supplied to the LED 20 to emit light.

Next, the interlocking operation will be described.

First, when an interlocking command signal is given to the terminal 50 of the leftmost display unit 100A, the control board unit 2
4 turns on the transistor 40 to supply the electric power charged in the battery 16 to the LED 20 to emit light. LE
The light of D20 is sent to the light emitting end 32 of the sign portion 18 through the optical fiber 30, and the display is performed so that the sign portion 18 is shaped.

In this way, the first display unit 1
When the lighting operation of 00A is completed, the terminals 52, 54 of the control board unit 24 of the display unit 100A to the terminals 50, 54 of the control board unit 24 of the second display unit 100B (not shown). , And transfers the interlocking instruction signal CS for interlocking operation. By this interlocking command signal CS, the control board unit 24 of the second display unit 100B supplies the electric power charged in the battery 16 to the LED 20 to cause the light emitting end 32 of the sign portion 18 to emit light via the optical fiber 30.

Next, when the control board unit 24 of the second display unit 100B finishes the light emission of the light emitting end 32 of the sign portion 18, the terminal 52 of the control board unit 24 of the second display unit 100B, The terminals 50, 5 of the control board unit 24 of the third to 54th display unit 100C
The interlocking command signal CS is transferred to the No. 4.

In the same manner, the same control as the above is sequentially performed to the display unit 100N in the subsequent stage by the interlocking command signal CS, and the light emitting end 32 of the indicator portion 18 of each display unit is caused to emit light to display, for example, an arrow-shaped flow. can do.

It is possible in this embodiment to repeat the above-described series of operations as a unit and repeat them at predetermined time intervals.

[0035]

As described above, according to the present invention,
Since the control board, the light-emitting body, the display section, and the condenser are housed in the display device main body in order from one side to the other side, a large number of light sources are stored in the display device main body. Various parts including fibers can be stored very efficiently. In addition, the light emitting element is used to express the outline of the marking.
Since it is placed almost in the center of the position of the light end, each light emission
The optical fiber connected to the end may be extremely long or polar.
You don't have to prepare something short at the end,
A well-connected state can be obtained.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a rear view of the same.

FIG. 3 is a side view of the same.

FIG. 4 is a transverse sectional view of the same.

FIG. 5 is a view showing a mounting state of a light emitting body.

FIG. 6 is a front view of FIG.

FIG. 7 is a diagram showing a mounting state of a battery.

FIG. 8 is an electrical connection circuit diagram of a display unit.

[Explanation of symbols]

10 solar cells 12 Display unit 16 battery 18 sign section 20 LED (light emitter) 24 control board 30 optical fibers 32 light emitting end 71 mount 73 Optical fiber bundle (bundling part) 83 Marking panel section 100 display unit

Front page continuation (72) Inventor Katsuji Wakabayashi 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Masashi Takazawa 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo (56) References JP-A-6-301351 (JP, A) JP-A-8-95496 (JP, A) JP-A-9-22261 (JP, A) JP-A-9-325708 (JP , A) Actual Kaihei 6-69985 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) G09F 13/00-13/20 G02B 6/04 G09F 13/20 H01L 31/04

Claims (2)

(57) [Claims] 1. A control board, a storage battery capable of storing electric power generated by a solar cell, a light-emitting body which receives the generated power and emits light, and guides the light from the light-emitting body to an emission end through an optical fiber. In a solar cell type display device including a sign portion that forms a sign, in the main body of the display device, each of the parts is directed from one side part of the display device main body to the other side part, and a control board , The luminous body, the marking section, and the condenser are housed in this order, and the luminous body is arranged at the position of the luminous end that represents the contour of the marking section.
The solar cell type display device is characterized in that it is placed almost in the center . 2. A control board, a storage battery capable of storing electric power generated by a solar cell, a light-emitting body which receives the generated power and emits light, and light from the light-emitting body is guided to a light-emitting end through an optical fiber to provide a predetermined power. In a solar cell type display device including a sign portion that forms a sign, in the main body of the display device, each of the parts is directed from one side part of the display device main body to the other side part, and a control board , The luminous body, the sign portion, and the electricity storage device in this order, the control board is fixed to the one side portion, the electricity storage device is fixed to the other side portion, and the light emission body represents the outline of the indicator portion. Position of light emitting end
The solar cell type display device is characterized in that it is placed almost in the center .