JPH07104681A - Information display device - Google Patents

Abstract

PURPOSE:To stabilize and facilitate maintenance, such as exchange of internal parts, and to save the space of the device by opening and closing a holding part arranged with many light emitting elements and a protecting part covering these light emitting elements. CONSTITUTION:The joining by elasticity of lock terminals and lock fixing terminals for fixing the light emitting element protecting part 12 to a body 16 when the protecting part is closed in the event of generation of a fault, such as abnormal display, is released by pulling up the light emitting element protecting part 12 by the human hand. The light emitting element protecting part 12 is opened upward and is supported by a supporting rod 15, by which the protecting part is held in an opened state. The light emitting element holding part 11 is then opened horizontally. The open state of the light emitting element holding part 11 is held by a chain 13 when the holding part is positioned horizontal. The internal parts which are the cause for the fault are exchanged or are repaired in the state of opening the light emitting element holding part 11 and the light emitting element protecting part 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information display device for displaying characters, figures, images and the like with a large number of light emitting elements arranged in a matrix.

[0002]

2. Description of the Related Art FIG. 6 is a perspective view showing the structure of a conventional information display device. In FIG. 6, this information display device includes a display unit 1 in which a large number of light emitting elements are arranged in a matrix to display characters, figures, images, and the like, and a decorative frame unit 2 that covers a portion other than the light emitting display surface of the display unit 1. And a leg portion 3 for vertically supporting the display portion 1 and the decorative frame portion 2.

FIG. 7 is a perspective view showing a detailed structure of the display unit 1. In FIG. 7, light-emitting basic blocks 4a, 4b, 4 in which a total of 20 light-emitting elements are arranged in a row and 10 in 2 rows.
c, 4d, 4e, 4f, 4g, and light-emitting basic block 4a
4 g of mounting fixtures on both sides are fixed by a screw m, and a pedestal 5 for arranging them vertically is provided. In addition, the light emitting basic blocks 4a to 4g are composed of a light emitting element, a power source, a display control board, a casing, and the like.

Next, the operation of this conventional configuration will be described. As shown in FIG. 7, the information display device is divided into light emitting basic blocks 4a to 4g, and the divided light emitting basic blocks 4a to 4g are attached to the mount 5 with the fittings on both sides with the screw m, and arranged in the upper and lower stages. And constitutes the display unit 1. Further, a portion other than the light emitting display surface of the display portion 1 is covered with the decorative frame portion 2 and legs are provided to constitute one information display device.

As described above, in the conventional information display device, when forming a larger display surface, a larger number of light emitting basic blocks (4a to 4g) are combined vertically and horizontally to form a desired large display unit 1. Can be formed. That is, there is a degree of freedom in expandability.

[0006]

However, in the conventional information display device, a failure such as an abnormal display may occur, and the light emitting element or the like having the failure may be replaced. in this case,
Removing the light-emitting basic block (4a-4g) in which the failure has occurred in the light-emitting basic blocks 4a-4g, and disassembling the light-emitting basic block (4a-4g) to replace the failure, for example, a light-emitting element that cannot emit light. There is. Therefore, there is a drawback that work efficiency in maintenance, that is, maintainability is poor.

The present invention solves such a conventional problem, and since a holding portion in which a large number of light emitting elements are arranged and a protective portion covering the light emitting elements can be opened and closed, maintenance such as replacement of internal parts is stable. It is an object of the present invention to provide an information display device that can be easily manufactured and can save space in the device.

[0008]

In order to achieve the above object, the information display device of the present invention transmits light through a light emitting element holding portion in which a plurality of light emitting elements are arranged and at least the front surface of the light emitting element holding portion. A light emitting element protecting portion that covers the light emitting element holding portion, a body portion for disposing the light emitting element holding portion and the light emitting element protecting portion, a first opening / closing mechanism for opening and closing the light emitting element holding portion with respect to the body portion, and a light emitting element It is a configuration including a second opening / closing mechanism for opening and closing the protection unit in the opposite direction to the light emitting element holding unit and with respect to the main body.

Further, a light emitting element holding portion in which a plurality of light emitting elements are arranged, a light emitting element protecting portion which covers at least the front surface of the light emitting element holding portion so that light emission can pass therethrough, and a light emitting element holding portion and a light emitting element protecting portion are arranged. A main body portion for joining, a joining mechanism for joining the light emitting element holding portion to each other to house the light emitting element holding portion, and a pulling string for releasing the joining by the joining mechanism between the light emitting element holding portion and the main body portion. Bonding releasing means, a first opening / closing mechanism for opening / closing the light emitting element holding part with respect to the main body part, and a first opening / closing mechanism for opening / closing the light emitting element protecting part in a direction opposite to the light emitting element holding part and with respect to the main body part. This is a configuration including a second opening / closing mechanism.

In this structure, a display control board provided on the back side of the light emitting element holding portion with respect to the light emitting surface, and a rotary mounting mechanism for rotating the display control board with one end of the display control board as a fulcrum. Is provided.

Further, when the lower surface of the main body is placed on the installation place, it is pulled out from the lower portion of the main body, and an auxiliary leg portion that can be stored is provided in the lower portion of the main body.

[0012]

With this structure, the information display device of the present invention has a structure in which the light emitting element holding portion and the light emitting element protecting portion can be opened and closed with respect to the main body. In addition, one of the display control boards inside the main body can be rotated as a fulcrum, and an auxiliary leg portion that is housed in the lower portion of the main body portion and that can be pulled out is provided. As described above, the light emitting element holding portion in which a large number of light emitting elements are arranged and the light emitting element protection portion covering the light emitting element can be opened and closed with respect to the main body portion, and the display control board provided on the back surface of the light emitting element holding portion can be rotated. Therefore, maintenance such as replacement of internal parts, particularly replacement of the light emitting element on the back surface of the light emitting element holding portion to which the display control board is joined, can be easily performed. Further, when carrying out maintenance work, the auxiliary legs can be pulled out and the device can be stably held for work. In addition, since it is stored at the end of maintenance work, it is possible to save space in the device.

[0013]

Embodiments of the information display device of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a perspective view showing the structure of a first embodiment of the information display device of the present invention, and FIG. 2 is a perspective view showing the external appearance of the structure of FIG. 1 and 2, this information display device has a structure that can be opened and closed, and a large number of light emitting elements are arranged in a matrix, and a light emitting element holding portion 11 that displays characters, figures, images, etc. by light emission can be opened and closed. The light emitting element protection part 12 having a different structure is provided. Further, when the light emitting element holding portion 11 is opened, the chain 13 for holding and supporting the light emitting element holding portion 11 in a horizontal position and the light emitting element protecting portion 12 are provided so as to prevent reflection of light and emit light from the light emitting element holding portion 11. It has a non-glare filter 14 for improving the contrast of the device. Further, this information display device accommodates the support rod 15 that holds the opened position and the light emitting element holding portion 11 when the light emitting element protecting portion 12 is opened, and the characters, figures, A main body 16 that is provided with a light emitting element protection portion 12 that emits and displays an image or the like and covers the display surface of the light emitting element holding portion 11, and the main body 1
It has a leg portion 17 for supporting 6 vertically.

Further, a large number of light emitting elements 18 arranged in a matrix in the light emitting element holding portion 11, a power source 19 arranged in the main body 16, and a light emitting element 18 arranged in a matrix on the back side of the light emitting element holding portion 11. Display control boards 20a and 20b for emitting light with characters, figures, and video data from an input device (not shown) are provided.

Next, the operation and function of the configuration of the first embodiment will be described. When a failure such as an abnormal display occurs in the information display device, the elastic joint between the lock terminal and the lock fixing terminal (not shown) for fixing the light emitting element protection unit 12 to the main body 16 is released.
That is, the light emitting element protection portion 12 is pulled out by a person's hand to release it, the light emitting element protection portion 12 is opened to the upper side, and is supported by the support rod 15 to hold the light emitting element protection portion 12 in the open state.
Next, the light emitting element holding portion 11 is opened horizontally. In this case, when the light emitting element holding portion 11 is horizontal, this open state is the chain 13
Held in.

As a result, the component causing the failure, for example, the light emitting element 18 of the light emitting element holding portion 11, the display control board 20.
The a, 20b and the power source 19 in the main body 16 can be easily replaced. It should be noted that the large number of light emitting elements 18 are arranged in the light emitting element holding portion 11
The screw is fixed from the rear surface of the device, that is, the upper surface in FIG. 1, and the screw can be removed by horizontally opening the light emitting element holding portion 11, and the light emitting element 18 can be easily replaced.

As described above, in the first embodiment, since the light emitting element holding portion 11 and the light emitting element protection portion 12 are opened, the parts such as the light emitting element can be easily replaced when a failure occurs.

FIG. 3 is a perspective view showing a second embodiment of the present invention. In FIG. 3, this third embodiment has the basic structure shown in FIG. 1, a door 21 with a key provided on the leg 17, a key 21a provided on the door 21 with a key, and a light emitting element protection unit. It has lock terminals 22a and 22b which are fixed to the main body 16 when 12 is closed. Furthermore, ball-attached cords 23a and 23b for releasing the fixation of the light emitting element protection portion 12,
At the lower end in the figure of this string with beads 23a, 23b,
Balls 24a, 24 for easy pulling down by grasping with human hands
b is provided. The lock terminals 22a, 22b when the light emitting element protection part 12 is closed are elastically fixed, and the ends (not shown) of the stringed beads 23a, 23b are fixed, and deformed when the balled strings 23a, 23b are pulled down. It has a lock fixing terminal 25a for releasing the fixed state of the lock terminals 22a and 22b. In addition to the lock fixing terminal 25a, a lock fixing terminal (not shown) having a similar structure is provided at a position where the lock terminal 22b is joined.

Next, the operation and function of the configuration of the second embodiment will be described. When a failure such as an abnormal display occurs on the information display device, first, the keyed door 21 is opened by the key 21a, and the lockable ball strings 23a and 23b inside the leg portion 17 are pulled down. As a result, the lock terminals 22a, 22 of the light emitting element protection unit 12 are
b, a lock fixing terminal 25a provided on the main body 16,
The connection with another lock fixing terminal (not shown) is released.
By releasing this, the light emitting element protection portion 12 can be opened upward. The light emitting element protecting portion 12 opened upward is supported by the support bar 15, and the opened horizontal state is maintained.

Next, the light emitting element holding portion 11 is opened horizontally as shown in FIG. 1, and the horizontally opened state of the light emitting element holding portion 11 is held by the chain 13. After this, as in the first embodiment, the component causing the failure, for example, the light emitting element 18 of the light emitting element holding portion 11, the display control boards 20a and 20b, and the main body 1 are provided.
It is possible to easily replace or repair the power source 19 and the like in the unit 6.

As described above, in the second embodiment, the door 21 with a key is used.
The light emitting element protection part 12 is unlocked by pulling down the beaded strings 23a and 23b inside the leg part 17 to open the light emitting element holding part 11 and the light emitting element protection part 12. . This light emitting element holder 1
1. It becomes possible to easily replace parts such as a light emitting element when a failure occurs with the light emitting element protection portion 12 open. Further, unless the door 21 with the key is opened, the inside of the information display device is not exposed, so that unnecessary use and damage of the inside other than during maintenance does not occur.

FIG. 4 is a perspective view showing the structure of the third embodiment. In FIG. 4, this example has the same basic configuration as that of the first embodiment shown in FIG.
It has a mounting plate 30 on which b is arranged. Further, hinges 31a and 31b for attaching the mounting plate 30 to the light emitting element holding portion 11 so as to be vertically openable and closable are electrically connected to the display control boards 20a and 20b and the light emitting element holding portion 11, for example, a plurality of flexible circuits. And a substrate 32.

Next, the operation and function of the configuration of the third embodiment will be described. The opening / closing structure of the light emitting element holding portion 11 and the light emitting element protecting portion 12 is the same as that of the first embodiment shown in FIG. The mounting plate 30 on which the display control boards 20a and 20b are arranged is used during the display operation of the information display device, that is, when the light emitting element holding portion 11 is housed in the main body 16 and the light emitting element protecting portion 12 is closed. It is arranged in contact with the back surface of the light emitting element holding portion 11. Next, when a failure occurs in the light emitting element 18 of the light emitting element holding portion 11, the light emitting element holding portion 11 and the light emitting element protection portion 12 are opened as described in the first embodiment, and the supporting rod 15 and the chain 13 are opened. Hold open using. In this case, the mounting plate 30 on which the display control boards 20a and 20b are arranged is in contact with the back surface of the light emitting element holding portion 11, and here the mounting plate 30 is opened vertically with the hinges 31a and 31b as fulcrums (axes).
In this state, the screw (not shown) of the defective light emitting element 18 hidden by the mounting plate 30 can be removed.
The light emitting element 18 is replaced by removing the screw (not shown).

As described above, in the third embodiment, the light emitting element holding portion 11 and the light emitting element protecting portion 12 are opened and the opening is opened by the chain 1.
3 and the supporting rod 15 and then the mounting plate 3
By opening 0 vertically, the light emitting element 18 hidden by the mounting plate 30 can be easily replaced.

FIG. 5 is a perspective view showing the structure of the fourth embodiment. In FIG. 5, this example is basically the same as the first, second, and third examples.
When installed in a place for displaying figures, images, etc., the auxiliary leg portion 35 comes into contact with the installation surface and is pulled out in parallel.
a and 35b are provided.

Next, the operation and function of the structure of the fourth embodiment will be described. Auxiliary legs 35a, 35b
Can be stored in the leg portion 17, and when the information display device is installed or when the information display device is moved for maintenance, it comes into contact with the installation surface and is drawn out in parallel. This stabilizes the installation state of the information display device.

As described above, according to the fourth embodiment, the light emitting element holding portion 11 and the light emitting element protecting portion 12 are opened in a stable state in which the auxiliary leg portions 35a and 35b are pulled out, and the light emitting element 18 when a failure occurs. It is possible to replace parts such as. That is, the maintenance work can be stably performed. Further, the auxiliary leg portions 35a and 35b can be housed in the leg portion 17, and the overall size of the device can be reduced.

[0029]

As is apparent from the above description, the information display device of the present invention has a structure in which the light emitting element holding portion and the light emitting element protection portion can be opened and closed with respect to the main body. Also, since one side of the display control board inside the main body can be rotated and the auxiliary leg that can be pulled out is stored in the lower part of the main body, it is possible to replace internal parts, especially the display control board. Maintenance such as replacement of the light emitting element on the back surface of the light emitting element holding part to be joined can be done easily, and when performing maintenance work, pull out the auxiliary legs to stabilize the device and store it at the end of maintenance work. Therefore, there is an effect that the space of the device can be saved.

[Brief description of drawings]

FIG. 1 is a perspective view showing the configuration of a first embodiment of an information display device of the present invention.

FIG. 2 is a perspective view showing the external appearance of the configuration of FIG.

FIG. 3 is a perspective view showing a configuration of a second embodiment.

FIG. 4 is a perspective view showing a configuration of a third embodiment.

FIG. 5 is a perspective view showing a configuration of a fourth embodiment.

FIG. 6 is a perspective view showing a configuration of a conventional information display device.

FIG. 7 is a perspective view showing a detailed configuration of a display unit in a conventional example.

[Explanation of symbols]

 11 Light-Emitting Element Holding Section 12 Light-Emitting Element Protecting Section 13 Chain 15 Support Rod 17 Legs 18 Light-Emitting Elements 20a, 20b Display Control Board 21 Keyed Doors 23a, 23b Beaded String 30 Mounting Plates 31a, 31b Hinge 35a, 35b Auxiliary Legs

Claims (4)

[Claims] 1. A light emitting element holding portion in which a plurality of light emitting elements are arranged, a light emitting element protection portion that covers at least the front surface of the light emitting element holding portion so that light emission can pass therethrough, the light emitting element holding portion and the light emitting element. A main body part for arranging the protection part,
A first opening / closing mechanism for opening and closing the light emitting element holding portion with respect to the main body portion, and for opening and closing the light emitting element protecting portion in a direction opposite to the light emitting element holding portion and with respect to the main body portion And an information display device including the second opening / closing mechanism. 2. A light emitting element holding portion in which a plurality of light emitting elements are arranged, a light emitting element protection portion that covers at least a front surface of the light emitting element holding portion so that light emission can pass therethrough, the light emitting element holding portion and the light emitting element. A main body part for arranging the protection part,
Joining releasing means including a joining mechanism for joining the light emitting element holding part to each other for housing in the main body part, and a pulling string for releasing the joining by the joining mechanism between the light emitting element holding part and the main body part And a first opening / closing mechanism for opening and closing the light emitting element holding part with respect to the body part, and opening and closing the light emitting element protecting part in a direction opposite to the light emitting element holding part and with respect to the body part. And a second opening / closing mechanism for the information display device. 3. A display control board provided on the back side of the light emitting element holding portion with respect to the light emitting surface, and a rotation attachment mechanism for rotating the display control board with one end of the display control board as a fulcrum. Claim 1 or 2 characterized
Information display device described. 4. When the lower surface of the main body is placed on the installation place, it is pulled out from the lower portion of the main body, and an auxiliary leg portion that can be stored is provided at the lower portion of the main body. Or the information display device described in 3.