JP4276030B2 - Video display device - Google Patents

Video display device Download PDF

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Publication number
JP4276030B2
JP4276030B2 JP2003306435A JP2003306435A JP4276030B2 JP 4276030 B2 JP4276030 B2 JP 4276030B2 JP 2003306435 A JP2003306435 A JP 2003306435A JP 2003306435 A JP2003306435 A JP 2003306435A JP 4276030 B2 JP4276030 B2 JP 4276030B2
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video display
display module
mounting portion
module mounting
display device
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JP2005077608A (en
Inventor
明 宇治家
敬治 日高
浩一 織戸
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三菱電機株式会社
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Description

  The present invention relates to a video display device, and can be applied to, for example, a large video display device configured by arranging a plurality of video display modules.

  As conventional large-sized video display devices, there are devices having the following mechanisms. In other words, when performing maintenance and adjustment of a large-sized video display device, the protective glass part provided on the front side of the main body of the large-sized video display device is opened forward and upward, and can be accommodated inside the main body in the opened state. There is an apparatus having a mechanism that opens and closes a display unit in a double-speech manner (see, for example, Patent Document 1).

JP-A-8-76694 (FIG. 1)

  However, in the large-sized video display device as disclosed in Patent Document 1, when the size of the main body of the video display device is increased, for example, when the large-sized display device is 3 m × 3 m, the protective glass unit is opened. For this purpose, a space of 3 m was required in front.

  Therefore, since a large space as described above is required, there is a restriction on the maintenance space when maintaining the large-sized video display device disclosed in Patent Document 1.

  In the case of the above-mentioned size, the protective glass portion weighs about 112.5 kg, which has a safety problem due to the movement of heavy objects.

  Alternatively, the protective glass part may be divided (for example, a 3 m × 3 m protective glass part is divided into two 1.5 m × 3 m protective glass parts) and opened, but the two protective glass parts are combined. In this part, image distortion or waterproofing problems occur.

  The video display device according to the present invention is made to solve the above problems, and the main body of the video display device remains fixed to the main body during maintenance and adjustment of the video display device. By working from the rear of the unit, maintenance space can be reduced, installation location restrictions and safety problems can be solved, and an inexpensive video display device that can be operated quickly and easily during maintenance and adjustment is provided. The purpose is to do.

In order to achieve the above object, a video display device according to claim 1 according to the present invention includes a main body, a plurality of video display devices arranged on the first surface facing the front side of the main body. A plurality of video display module mounting portions provided with the video display module and one edge of each of the plurality of video display module mounting portions are pivotally supported in a horizontal or vertical direction, An opening moving mechanism for opening and moving the display module mounting portion toward the rear of the main body. Further, the door portion disposed on the second surface facing the rear side of the main body portion of each video display module mounting portion and one edge portion of the door portion are supported in a horizontal or vertical direction. The image display module mounting portion further includes a door opening mechanism that opens the door toward the rear of the main body.

The video display device according to claim 1 of the present invention is provided with a plurality of video display modules on a main body and a first surface that is disposed in the main body and faces the front side of the main body. A plurality of video display module mounting portions and one edge portion of each of the plurality of video display module mounting portions are supported in a horizontal or vertical direction, and each video display module mounting portion is rearward of the main body portion. And an opening movement mechanism for moving the opening toward . In addition, the door part and one edge part of the door part are pivotally supported in the horizontal or vertical direction on the second surface facing the rear side of the main body part of each video display module mounting part. A door opening mechanism that opens the door toward the rear of the main body with respect to the display module mounting portion is provided. Therefore , it is not necessary to open the vast and heavy weight protective glass portion, which is made of glass or the like, forward and upward when maintaining and adjusting the video display device. Therefore, the safety problem can be solved by carrying out the operation from the rear surface of the main body portion while the protective glass portion is fixed to the front surface of the main body portion. In addition, since a part of the video display module mounting portion exists in the main body portion in the open state, the maintenance space outside the main body portion can be reduced, and restrictions on the installation location can be eased.

  Hereinafter, the present invention will be specifically described with reference to the drawings showing embodiments thereof.

<Embodiment 1>
1-6 is a figure for demonstrating the large sized image display apparatus which concerns on Embodiment 1 of this invention.

  FIG. 1 is a front perspective view showing a large image display apparatus according to the first embodiment. FIG. 2 is a rear overview perspective view showing the large video display apparatus according to the first embodiment, and shows a state in which the rear cover 3 is removed. FIG. 3 is an upper cross-sectional view showing the internal configuration of the large video display apparatus according to the first embodiment.

  FIG. 4 is an upper cross-sectional view showing the operation method of the internal operation unit of the large-sized video display apparatus according to the first embodiment. FIG. 5 is an enlarged schematic perspective view showing the video display module mounting portion 5 of the large video display device according to the first embodiment. FIG. 6 is an enlarged side sectional view showing the periphery of the roller unit 10 included in the large-sized image display device according to the first embodiment.

  The large image display device 100 according to the first embodiment is, for example, a reflective liquid crystal display. As shown in FIG. 1, the main body 1 of the large video display device 100 has a plurality of video display modules 2 for displaying video on the front surface. Further, the video display module 2 is covered with a frame-shaped protective glass portion 30 fixed to the outer peripheral portion of the main body portion 1.

  The protective glass part 30 is for protecting the video display module 2 from ultraviolet rays or the like. Moreover, the protective glass part 30 is for maintaining the temperature in the said large sized image display apparatus 100 at predetermined | prescribed temperature so that the temperature inside the large sized image display apparatus 100 may not change rapidly. Therefore, it is desirable that the material of the protective glass portion 30 is transparent, and acrylic glass, polycarbonate, or the like is used.

  As described above, the protective glass portion 30 is fixed to the front surface of the large-sized image display device 100 and has a waterproof structure so as not to be submerged between the main body portion 1 and the protective glass portion 30. A rear cover 3 such as a rear door that closes the rear of the main body 1 is provided on the rear surface of the large-sized video display device 100. The rear cover 3 has a structure that can be freely opened and closed so that maintenance can be performed. A packing is provided at the boundary between the main body 1 and the rear cover 3 to provide a waterproof structure.

  Further, as shown in FIG. 3, a video display module mounting portion 5 that is divided into two is provided inside the large video display device 100. Further, as shown in FIG. 5, the video display module 2 is configured to be detachable from the first surface 5 a of the video display module mounting portion 5, and each video display module mounting portion 5 includes a plurality of video display module mounting portions 5. Video display modules 2 are arranged in a matrix. Further, the video display module mounting portion 5 can be freely opened to the rear of the large video display device 100 by an opening movement mechanism provided in the main body 1.

  As shown in FIGS. 3, 6, etc., the opening movement mechanism is composed of a column part 4, a video display module mounting part fixing hinge 6, a roller part 10, and a guide rail 11.

  In the opening movement mechanism, the support column 4 is disposed at the center position in the left and right directions within the main body 1 in the installation height direction (hereinafter referred to as the vertical direction) of the video display device 100. Further, one edge portion of the video display module mounting portion 5 is attached to the support column portion 4 by a video display module mounting portion fixing hinge 6 (which can be grasped as a first hinge). The module mounting portion 5 is supported in the vertical direction by the video display module mounting portion fixing hinge 6 and the support column portion 4. In addition, a pair of left and right video display module mounting portions 5 is connected to one column portion 4 with the above configuration. Further, a roller portion 10 is provided at the lower portion of the video display module mounting portion 5, and the roller portion 10 rolls on a guide rail 11 laid in the main body portion 1. Here, it is desirable that the roller unit 10 be installed at a lower portion on the opposite side of one edge portion of the video display module mounting unit 5. In addition, the roller unit 10 rotates around the guide rail 11 laid in the main body unit 1 in the main body unit 1, but is in a state of floating from the installation surface of the large video display 100 outside the main body unit 1.

  In the above-mentioned opening movement mechanism, the other end edge part (opposite side of the one edge part) of the video display module mounting part 5 is rotated toward the rear of the main body part 1 around the video display module mounting part fixing hinge 6. Then, the roller unit 10 rolls on the guide rail 11 and the video display module mounting unit 5 is opened to the rear of the main body unit 1. FIGS. 2 and 4 (on the right side of the support column 4 in FIG. 4) show how the video display module mounting portion 5 is opened.

  When the released video display module mounting portion 5 is returned to the inside of the main body 1 by the opening movement mechanism, the video display module mounting portion 5 rotates too far forward of the main body 1, and the video display module mounting portion As shown in FIG. 6, video display module mounting portion restraining devices 23 (hereinafter simply referred to as stoppers 23) are installed at the upper and lower portions in the main body portion 1 so that 5 does not come into contact with the protective glass portion 30. ing. That is, the rotation of the video display module mounting portion 5 into the main body 1 is stopped by the stopper 23, and the video display module mounting portion 5 is prevented from rotating forward from a predetermined position by the stopper 23. be able to. Furthermore, as shown in FIG. 6, the video display module mounting portion 5 and the stopper 23 can be fixed by a video display module mounting portion fixing bracket 24 (which can be grasped as a video display module mounting portion fixing device).

  Further, as shown in FIG. 5, the video display module mounting portion 5 has a flat mounting surface (first surface 5a), and a plurality of video display modules 2 can be mounted on the mounting surface. it can. Specifically, a plurality of video display module mounting holes 40 (which can be grasped as first holes) are formed on the mounting surface of the video display module mounting portion 5, while the video display module 2 is mounted. Projections are formed on the surface side. In this configuration, the video display module 2 can be mounted on the video display module mounting portion 5 by inserting the protrusions into the video display module mounting holes 40 and fitting them. Here, the vertical and horizontal mounting accuracy of the video display module 2 depends only on the processing accuracy of the video display module mounting hole 40 formed in the flat mounting surface.

  Further, a video display module wiring hole 41 (which can be grasped as a second hole) is formed in the flat mounting surface. Therefore, it is possible to perform the work of attaching and removing the wiring to the rear surface of the video display module 2 through the video display module wiring hole 41.

  Further, as shown in FIG. 3 and the like, the video display module mounting portion 5 is provided with an electrical component mounting portion 8 (which can be grasped as a door portion) on the opposite side of the mounting surface of the video display module 2. An electrical component 7 for operating the video display module 2 is attached to the electrical component attachment portion 8. The electrical component mounting portion 8 is openable and closable on the back surface of the first surface 5a of the video display module mounting portion 5, and a door mechanism is provided so that the electrical component mounting portion 8 can be opened rearward. I have.

  The door mechanism is configured by an electrical component mounting portion fixing hinge 9 (which can be grasped as a second hinge). That is, one edge portion of the electrical component mounting portion 8 is attached to the video display module mounting portion 5 by the electrical component mounting portion fixing hinge 9, and the electrical component mounting portion 8 is connected to the electrical component mounting portion fixing hinge 9. And the video display module mounting portion 5 are supported in the vertical direction.

  In the door mechanism, the other end edge (opposite the one side) of the electric component mounting portion 8 is pulled toward the rear of the video display module mounting portion 5 about the electric component mounting portion fixing hinge 9. Thus, the electrical component mounting portion 8 rotates and can be opened rearward. FIG. 4 (left side of the support column 4) shows how the electrical component mounting portion 8 is opened.

  Moreover, as shown in FIG. 3 etc., the other edge part of the electrical component attachment part 8 is provided with the electrical component attachment part fixture 21 (it can be grasped as a door part lid fixing device). Therefore, when the electrical component mounting portion 8 is closed, the electrical component mounting portion 8 is fixed to the video display module mounting portion 5 by the electrical component mounting portion fixing bracket 21 and the closed state of the electrical component mounting portion 8 is maintained. Is done.

  Further, as shown in FIG. 3, a column stopper is provided at the lower part of the column part 4 so that the electric component mounting part 8 does not come into contact with the column part 4 when the door is opened by the door mechanism. 20 is installed.

  Further, as shown in FIG. 3, a column stopper fixing bracket 22 (which can be grasped as an open maintaining device) is provided at a corresponding position of the electrical component mounting portion 8. Therefore, after the electric component mounting portion 8 is opened by the door mechanism, the electric component mounting portion 8 and the column portion stopper 20 can be fixed by the column portion stopper fixing bracket 22 (the left side of the column portion 4 in FIG. 4). The open state of the electrical component mounting portion 8 can be maintained.

  The column stopper 20 is also effective in avoiding contact between the image display module mounting part 5 and the column part 4 when the video display module mounting part 5 is rotated backward by the opening movement mechanism. (See the right side of the column 4 in FIG. 4). Further, in a state in which the electrical component mounting portion 8 is fixed to the video display module mounting portion 5, the video display module mounting portion 5 is opened by the opening movement mechanism, and then the video display module mounting portion 5 is fixed by the support column stopper fixing bracket 22. And the column stopper 20 can be fixed, and the open state of the video display module mounting portion 5 can be maintained.

  Moreover, the electrical component attachment part 8 has a noise shielding function (electromagnetic wave shielding function). Therefore, by arranging the electrical component mounting portion 8 between the video display module 2 and the electrical component 7, it is possible to prevent the influence of noise from the electrical component 7 from reaching the video display module 2. Here, the noise shielding function can be realized by forming the electronic component mounting portion 8 with a magnetic material such as an iron plate and connecting the electronic component mounting portion 8 to a fixed potential such as ground.

  As shown in FIG. 6, the video display module mounting portion 5 has a duct structure having the first surface 5 a and the electrical component mounting portion 8 as walls. Furthermore, the fan part 12 and the space heater part 13 (these members 12 and 13 can be grasped as an air circulation device) are installed on the bottom part in the main body part 1. Therefore, in a state where the video display module mounting part 5 and the stopper 23 are fixed by the video display module mounting part fixing bracket 24, the fan part 12 and the space heater part 13 as shown in FIG. Therefore, a path of air flowing through the duct structure of the video display module mounting portion 5 can be formed, and air can be circulated in the duct.

  Next, how to maintain and adjust the large-sized video display device 100 using the opening movement mechanism and the door mechanism will be described with reference to FIGS.

  First, when performing maintenance / adjustment inside the large video display device 100, the rear cover 3 such as a rear door provided in the main body 1 is opened or removed so that the inside of the main body 1 can be seen from the rear.

  Next, the electric component attachment portion fixing bracket 21 is released, and the door of the electric component attachment portion 8 attached to the video display module attachment portion 5 in the main body 1 is opened rearward. By opening the door, the inside of the video display module mounting portion 5 can be seen from behind.

  Then, the electric component mounting portion 8 is fixed to the column portion stopper 20 by the column portion stopper fixing bracket 22 so that the electric component mounting portion 8 opened by the door is not closed.

  By the said operation | movement, the large sized image display apparatus 100 will be in the state illustrated in the left side of the support | pillar part 4 of FIG. And in the said state, maintenance, such as removal of the back surface wiring part of the video display module 2 in the video display module attachment part 5, and back surface cleaning, is performed.

  Now, the support | pillar part stopper fixing metal fitting 22 is cancelled | released and the electrical component attachment part 8 is closed. Then, the electrical component mounting portion 8 is fixed to the video display module mounting portion 5 by using the electrical component mounting portion fixing bracket 21 so that the electrical component mounting portion 8 is not opened.

  Next, the video display module mounting portion fixing bracket 24 shown in FIG. 6 is released, and the roller portion 10 set at the lower portion of the video display module mounting portion 5 is moved along the guide rail 11 disposed in the main body portion 1 to display the video. The display module mounting portion 5 is moved to open backward. By the opening operation, the front surface of the video display module mounting portion 5 can be viewed from the rear side.

  Then, the video display module mounting portion 5 is fixed to the column stopper 20 by the column stopper fixing bracket 22 so that the opened video display module mounting portion 5 is not closed.

  By the said operation | movement, the large sized image display apparatus 100 will be in the state illustrated in the right side of the support | pillar part 4 of FIG. In this state, maintenance such as replacement / cleaning of the video display module 2 mounted on the front surface of the video display module mounting portion 5 and cleaning of the inside of the protective glass portion 30 is performed.

  Now, after the maintenance of the video display module 2 and the protective glass part 30 is completed, the column stopper fixing bracket 22 is released, and the video display module mounting part 5 is rotated forward. Thereby, the roller part 10 set in the lower part of the video display module mounting part 5 rolls along the guide rail 11 arranged in the main body part 1, and the video display module mounting part 5 is stored in the main body part 1. At this time, as shown in FIG. 6, the rotation of the video display module mounting portion 5 into the main body 1 is stopped by the stopper 23, and the video display module mounting portion 5 is moved forward from a predetermined position by the stopper 23. Can be prevented.

  Next, the video display module mounting portion 5 is fixed to the stopper 23 using the video display module mounting portion fixing bracket 24 shown in FIG. 6 so that the video display module mounting portion 5 does not move open.

  Next, the electrical component mounting portion fixing bracket 21 is released, and the door of the electrical component mounting portion 8 is opened rearward. As a result, the inside of the video display module mounting portion 5 can be seen from behind.

  And the electric component attachment part 8 is fixed to the support | pillar part stopper 20 with the support | pillar part stopper fixing bracket 22 so that the electrical component attachment part 8 which opened the door may not be closed.

  By the said operation | movement, a large sized image display apparatus will be in the state illustrated in the left side of the support | pillar part 4 of FIG. In this state, the rear wiring work of the video display module 2 in the video display module mounting portion 5 is performed.

  Thereafter, the column stopper fixing bracket 22 is released, and the electrical component mounting portion 8 is closed. Then, the electrical component mounting portion 8 is fixed to the video display module mounting portion 5 by using the electrical component mounting portion fixing bracket 21 so that the electrical component mounting portion 8 is not opened.

  Finally, the rear surface of the main body 1 is closed by the rear cover 3 (see FIG. 3).

  As described above, in the large-sized video display device according to the first embodiment, the video display module is mounted while the protective glass unit 30 disposed on the front surface of the main unit 1 is fixed to the main unit 1 in a closed state. The unit 5 is opened to the rear of the main unit 1 to perform maintenance / adjustment of the video display module 2 and the like. Therefore, since the large and heavy weight protective glass portion 30 is not opened and moved, safety during maintenance of the large-sized video display device can be improved, and the protective glass portion 30 is not opened. The maintenance space can be reduced.

  Moreover, since the opening mechanism of the video display module mounting portion 5 is based on the simple support column 4 and the video display module mounting portion fixing hinge 6 and the like, the operation for maintenance and adjustment of the large video display device can be performed quickly and easily. A simple and inexpensive large-sized video display device can be provided.

  Further, since a part of the video display module mounting portion 5 exists inside the main body 1 in the open state, the maintenance space outside the main body 1 can be reduced, and the large video display according to the first embodiment is achieved. The restrictions on the installation location of the apparatus can be eased.

  In addition, since the large-sized video display device according to the first embodiment includes the stopper 23, when the video display module mounting portion 5 is housed in the main body 1 from the open state, the stopper 23 displays the video display. It is possible to prevent the module mounting portion 5 from rotating forward from a predetermined position. Therefore, it is possible to prevent the video display module mounting portion 5 from coming into contact with the protective glass portion 30.

  In addition, since the large-sized video display device according to the first embodiment includes the video display module mounting part fixing bracket 24, the video display module mounting part 5 can be fixed at the stop position by the stopper 23. Therefore, when the video display module mounting portion 5 is not necessary, it can be prevented from rotating. Therefore, it is possible to prevent image shake during operation of the video display device (during video display).

  Moreover, since the video display module mounting hole 40 is formed in the video display module mounting portion 5 of the large video display device according to the first embodiment, the video display module mounting hole 40 and the video display are displayed. The module 2 can be fitted, and the video display module 2 can be easily attached to and detached from the video display module mounting portion 5. Further, the mounting accuracy of the video display module 2 can be made to depend only on the drilling processing accuracy of the video display module mounting hole 40, and the mounting accuracy can be improved. Further, since the video display module mounting portion 5 is also provided with a video display module wiring hole 41, the wiring is attached to and detached from the rear surface of the video display module 2 through the video display module wiring hole 41. It can be performed.

  In addition, since the electric component mounting portion 8 included in the large-sized video display device according to the first embodiment is supported on the rear side of the video display module mounting portion 5 via the electric component mounting portion fixing hinge 9, it is simple. With this configuration, it is possible to easily open the door to the rear of the electrical component mounting portion 8. Therefore, the wiring operation of the video display module 2 attached to the video display module mounting portion 5 can be performed by a simple operation.

  Moreover, since the electrical component mounting portion 8 included in the video display device according to the first embodiment has an electromagnetic wave shielding function, the electrical influence of the electrical component 7 on the video display module 2 can be suppressed.

  In addition, the large-sized video display device according to the first embodiment includes the video display module mounting part 5 having a duct structure, the fan part 12 and the space heater part 13 with the electrical component mounting part 8 closed. Therefore, air can be circulated through the duct portion, and the temperature of the video display module 2 can be adjusted during operation.

  In addition, since the large-sized video display device according to the first embodiment has the electrical component mounting portion fixing bracket 21, the electrical component mounting portion 8 unintentionally opens the door with respect to the video display module mounting portion 5. Can be prevented.

  In addition, in the video display device according to the first embodiment, a pair of left and right video display module mounting portions 5 are fixed to the video display module mounting portions with respect to the support columns 4 installed in the vertical direction in the main body 1. It is connected via a hinge 6. Since the video display module mounting portion 5 is opened rearward with the support column 4 as an axis, the following effects can be achieved as compared with the invention according to Patent Document 1.

  That is, as in the invention according to Patent Document 1, when the video display module mounting portion 5 is configured to double-spread, the connection end of the video display module mounting portion 5 (the rotation axis of the video display module mounting portion 5 and The trajectory distance of the opposite end edge) is greatly increased. As a result, it is impossible to improve the alignment accuracy of the video display module mounting portion 5 in a state where the divided video display module mounting portions 5 are combined, and there is a high possibility that image distortion will occur. It was.

  However, by adopting the large-sized video display device according to the first embodiment having the above-described configuration, the connection part end of the video display module attachment part 5 (the end on the same side as the rotation axis of the video display module attachment part 5). The orbital distance of the edge portion can be reduced. Accordingly, it is possible to improve the alignment accuracy in a state where the divided video display module mounting portions 5 are joined together, and to prevent the occurrence of video distortion.

  Moreover, since the large-sized video display device according to the first embodiment includes the roller unit 10 disposed in the lower part of the video display module mounting unit 5 and the guide rail 11 on which the roller unit 10 rotates. The opening operation of the video display module mounting portion 5 can be easily performed. When the video display module mounting portion 5 is housed in the main body portion 1, the video display module mounting portion 5 is also supported in the vertical direction by the roller portion 10 that rotates on the guide rail 11. Accordingly, it is possible to improve the positional accuracy of the video display module mounting portion 5 in the vertical direction in a state where the video display module mounting portions 5 are joined, and distortion of the video at the joint portion between the two video display module mounting portions 5. Can be prevented.

  Moreover, since the support | pillar part stopper 20 is arrange | positioned at the support | pillar part 4 which the large sized image display apparatus which concerns on this Embodiment 1 has, when the video display module attachment part 5 or the electrical component attachment part 8 is open | released, It is possible to prevent the video display module mounting portion 5 or the electrical component mounting portion 8 from coming into contact with the column portion 4.

  In addition, since the column-part stopper fixing bracket 22 is provided in the electrical component mounting portion 8 included in the large-sized video display device according to the first embodiment, the column-part stopper fixing bracket 22 is fixed to the column-part stopper 20. can do. Therefore, by the fixing, the open state of the video display module mounting portion 5 or the electrical component mounting portion 8 can be maintained, and the video display module mounting portion 5 or the electrical component mounting portion 8 is prevented from closing naturally during work. can do.

  Moreover, since the large-sized video display apparatus according to the first embodiment includes the rear cover 3 that can be removed or opened and closed freely, the rear cover 3 can be opened only during maintenance of the video display apparatus.

<Embodiment 2>
7 and 8 are diagrams for explaining a large-sized video display device according to Embodiment 2 of the present invention.

  FIG. 7 is an upper cross-sectional view showing the internal configuration of the large-sized video display apparatus according to the second embodiment. FIG. 8 is an upper cross-sectional view showing the operation method of the internal operation unit of the large-sized video display apparatus according to the second embodiment.

  The large video display apparatus 101 in the second embodiment has substantially the same configuration as the large video display apparatus 100 in the first embodiment. However, the two embodiments are different in the following points.

  That is, in the large-sized video display device 100 according to the first embodiment, when the video display module mounting portion 5 and the electrical component mounting portion 8 are opened and moved rearward, the electrical component mounting portion 8 is prevented from coming into contact with the support column portion 4. Therefore, in order to fix the open state of the video display module mounting portion 5 or the electrical component mounting portion 8, the column portion stopper 20 and the column portion stopper fixing bracket 22 are provided.

  However, in the large-sized video display device 101 according to the second embodiment, when the video display module mounting part 5 is opened and moved rearward, the electrical component mounting part 8 does not come into contact with the column part 4 or video In order to fix the open state of the display module mounting part 5, a video display module mounting part stop stay 25 is installed between the upper part in the main body part 1 and the upper part of the video display module mounting part 5. Furthermore, when the electric component mounting portion 8 is moved backward, the video component is displayed so that the electric component mounting portion 8 does not come into contact with the support column 4 or the open state of the electric component mounting portion 8 is fixed. Between the upper part of the module attaching part 5 and the upper part of the electric part attaching part 8, an electric part attaching part stop stay 26 (which can be grasped as a door part stop stay) is installed.

  In the above points, the two embodiments are different, and the configuration of other members is the same in both embodiments, and thus detailed description of the other members here is omitted.

  Next, how to maintain and adjust the large-sized video display device 101 using the opening movement mechanism and the door mechanism will be described.

  First, when performing maintenance and adjustment inside the large video display device 101, the rear cover 3 such as a rear door provided in the main body 1 is opened or removed so that the inside of the main body 1 can be seen from the rear.

  Next, the electric component attachment portion fixing bracket 21 is released, and the door of the electric component attachment portion 8 attached to the video display module attachment portion 5 in the main body 1 is opened rearward. By opening the door, the inside of the video display module mounting portion 5 can be seen from behind.

  And the open state of the electrical component attachment part 8 is maintained by the electrical component attachment part stop stay 26 so that the electrical component attachment part 8 which opened the door is not closed.

  By this operation, the large-sized video display device 101 is in the state illustrated on the left side of the support column 4 in FIG. And in the said state, maintenance, such as removal of the back surface wiring part of the video display module 2 in the video display module attachment part 5, and back surface cleaning, is performed.

  Next, the electrical component mounting portion stop stay 26 is released, and the electrical component mounting portion 8 is closed. Then, the electrical component mounting portion 8 is fixed to the video display module mounting portion 5 by using the electrical component mounting portion fixing bracket 21 so that the electrical component mounting portion 8 is not opened.

  Next, the video display module mounting part fixing bracket 24 shown in FIG. 6 is released, and the roller part 10 set at the lower part of the video display module mounting part 5 is placed along the guide rail 11 disposed in the main body part 1, The video display module mounting portion 5 is moved to open backward. By the opening operation, the front surface of the video display module mounting portion 5 can be viewed from the rear side.

  Then, the video display module mounting portion 5 is maintained in the open state by the video display module mounting portion stop stay 25 so that the video display module mounting portion 5 that has moved open is not closed.

  By the said operation | movement, the large sized image display apparatus 101 will be in the state illustrated in the right side of the support | pillar part 4 of FIG. In this state, maintenance such as replacement / cleaning of the video display module 2 mounted on the front surface of the video display module mounting portion 5 and cleaning of the inside of the protective glass portion 30 is performed.

  Now, after the maintenance of the video display module 2 and the protective glass portion 30 is completed, the video display module mounting portion stop stay 25 is released, and the video display module mounting portion 5 is rotated forward. Thereby, the roller part 10 set at the lower part of the video display module mounting part 5 rolls along the guide rail 11 arranged at the bottom part in the main body part 1, and the video display module mounting part 5 is stored in the main body part 1. At this time, as shown in FIG. 6, the rotation of the video display module mounting portion 5 into the main body 1 is stopped by the stopper 23, and the video display module mounting portion 5 is moved from a predetermined position by the stopper 23. It can prevent turning forward.

  Next, the video display module mounting portion 5 is fixed to the stop 23 using the video display module mounting portion fixing bracket 24 so that the video display module mounting portion 5 does not move open.

  Next, the electrical component mounting portion fixing bracket 21 is released, and the door of the electrical component mounting portion 8 is opened rearward. As a result, the inside of the video display module mounting portion 5 can be seen from behind.

  And the open state of the electric component attachment part 8 is maintained by the electric component attachment part stop stay 26 so that the electric component attachment part 8 which opened the door is not closed.

  By the said operation | movement, a large sized image display apparatus will be in the state illustrated in the left side of the support | pillar part 4 of FIG. In this state, the rear wiring work of the video display module 2 in the video display module mounting portion 5 is performed.

  Thereafter, the electrical component mounting portion stop stay 26 is released, and the electrical component mounting portion 8 is closed. Then, the electrical component mounting portion 8 is fixed to the video display module mounting portion 5 by using the electrical component mounting portion fixing bracket 21 so that the electrical component mounting portion 8 is not opened.

  Finally, the rear surface of the main body 1 is closed by the rear cover 3 (see FIG. 3).

  As described above, in the large-sized video display device 101 according to the second embodiment, the video display module mounting portion stop stay 25 is installed, and the video display module mounting portion 5 is maintained open using the stop stay function. In addition, contact with the support column 4 is prevented. Similarly, the electrical component mounting portion stop stay 26 is installed, and the function of the stop stay is used to maintain the door open state of the electrical component mounting portion 8 and to prevent contact with the support column portion 4.

  Therefore, members, such as the support | pillar part stopper 20 and the support | pillar part stopper fixing metal fixture 22, can be abbreviate | omitted compared with the said Embodiment 1. FIG. Also, in the operation, operations such as fixing and releasing by the column stopper fixing bracket 22 can be omitted. Therefore, it is possible to obtain a large-sized image display device that is inexpensive and has good maintenance work efficiency.

<Embodiment 3>
9-11 is a figure for demonstrating the large sized image display apparatus which concerns on Embodiment 3 of this invention.

  FIG. 9 is a rear overview perspective view showing the large video display apparatus according to the third embodiment. Here, in the large-sized video display device 102 shown in FIG. 9, the rear cover 3 is removed. FIG. 10 is a side sectional view showing the internal configuration of the large-sized video display apparatus according to the third embodiment. FIG. 11 is a side sectional view showing an operation method of the internal operation unit of the large-sized video display apparatus according to the third embodiment.

  The large video display device 102 according to the third embodiment has substantially the same configuration as the large video display device 101 according to the second embodiment, but differs in the following points.

  That is, in the large-sized video display device 101 according to the second embodiment, the video display module mounting portion 5 and the electrical component mounting portion 8 are opened in the horizontal direction with one end fixed in the vertical direction inside the main body 1. It was.

  However, in the large-sized video display device 102 according to the third embodiment, the video display module mounting portion 5 and the electrical component mounting portion 8 are opened in the vertical direction with one end fixed in the horizontal direction inside the main body 1. The

  Hereinafter, the configuration of the large video display apparatus 102 according to the third embodiment will be described with a focus on the changes.

  The large-sized video display device 102 includes a video display module mounting portion, which is composed of a column portion 4, a video display module mounting portion fixing hinge 6, and a video display module mounting portion damper 27 (can be grasped as a video display module mounting portion opening maintaining device). 5 open movement mechanisms. The video display module mounting portion 5 housed in the main body 1 can be opened downward and rearward of the large video display device 102 by the opening movement mechanism. Here, the opening movement mechanism is provided inside the main body 1.

  In the open movement mechanism, two support columns 4 are arranged in the main body 1 in a vertical direction (hereinafter simply referred to as a horizontal direction) with respect to the installation height direction of the large-sized video display device 102. Further, one edge portion (that is, the lower edge portion) of the video display module mounting portion 5 is attached to the support column portion 4 by the video display module mounting portion fixing hinge 6, and the video display module mounting portion is attached. The portion 5 is supported in the horizontal direction by the video display module mounting portion fixing hinge 6 and the column portion 4.

  In the above opening movement mechanism, the main body with the video display module mounting portion fixing hinge 6 as an axis is on the opposite side (the other edge portion, that is, the upper edge portion) of one end side portion of the video display module mounting portion 5. When rotated toward the rear of the part 1, the video display module mounting part 5 is opened downward and rearward of the main body part 1. 9 and 11 (in FIG. 11, the lower side of the video display module mounting portion 5 having a two-stage configuration) shows how the video display module mounting portion 5 is opened.

  When the released video display module mounting portion 5 is returned to the inside of the main body 1 by the opening movement mechanism, the video display module mounting portion 5 rotates too far forward of the main body 1, and the video display module mounting portion 5 may come into contact with the protective glass portion 30.

  Therefore, also in the third embodiment, the stopper 23 and the video display module mounting portion fixing bracket 24 as shown in FIG. 6 of the first embodiment are installed on the upper portion in the main body portion 1 or the like. Here, as described in the first embodiment, the stopper 23 stops the rotation of the video display module mounting portion 5 into the main body 1, and the video display module mounting portion 5 rotates forward from a predetermined position. It has a function to prevent movement. Further, the video display module mounting portion fixing bracket 24 has a function of fixing the video display module mounting portion 5 and the stopper 23 as described in the first embodiment.

  Now, when the video display module mounting portion 5 is rotated to the rear of the main body portion 1, the opening movement mechanism can be easily opened by the weight of the video display module mounting portion 5.

  However, when the video display module mounting portion 5 is opened by leaving the video display module mounting portion 5 to its own weight, the electrical component mounting portion 8 arranged behind the video display module mounting portion 5 is attached to the support column 4. Contact.

  Therefore, in order to prevent the electrical component mounting portion 8 from coming into contact with the support column 4, the opening movement mechanism includes a video display module mounting portion damper 27.

  Here, one end of the video display module mounting portion damper 27 is connected to the side surface in the main body 1, and the other end is connected to the side surface of the video display module mounting portion 5. The video display module mounting part damper 27 generates a reaction force against the weight of the video display module mounting part 5, and has a function of adjusting the opening / closing force of the video display module mounting part 5 and maintaining the open state. Have. A state in which the open state of the video display module mounting portion 5 is maintained is shown in FIG. 11 (lower side of the video display module mounting portion 5 having a two-stage configuration in FIG. 11).

  Now, the large-sized video display device 102 according to the third embodiment further includes an electrical component mounting composed of the electrical component mounting portion fixing hinge 9 and the electrical component mounting portion damper 28 (which can be grasped as a door portion opening maintaining device). The door mechanism of the part 8 is provided. The door mechanism allows the electrical component mounting portion 8 to which the electrical component 7 is mounted to be opened rearward and downward of the large-sized video display device 102. Here, the door mechanism is provided inside the main body 1.

  In the door mechanism, one edge portion (that is, the lower edge portion) of the electrical component attachment portion 8 is attached to the video display module attachment portion 5 by the electrical component attachment portion fixing hinge 9, and The component mounting portion 8 is supported in the horizontal direction by the electrical component mounting portion fixing hinge 9 and the video display module mounting portion 5.

  In the door mechanism, the body opposite to the one edge of the electrical component mounting portion 8 (the other edge, that is, the upper edge) is the body with the electrical component mounting portion fixing hinge 9 as an axis. When rotating toward the rear of the portion 1, the electrical component mounting portion 8 is opened downward toward the rear of the main body portion 1. FIG. 11 (the upper side of the video display module mounting portion 5 having a two-stage configuration in FIG. 11) shows how the electrical component mounting portion 8 is opened.

  Now, also in the said door mechanism, when rotating the electrical component attachment part 8 to the back of the main-body part 1, it can open | release easily with the dead weight of the electrical component attachment part 8. FIG.

  However, if the electric component mounting portion 8 is opened by relying on the weight of the electric component mounting portion 8, the electric component mounting portion 8 comes into contact with the support column 4.

  Therefore, in order to prevent the electrical component mounting portion 8 from contacting the support column 4, the door mechanism also includes an electrical component mounting portion damper 28.

  Here, one end of the electrical component mounting portion damper 28 is connected to the side surface of the video display module mounting portion 5, and the other end is connected to the side surface of the electrical component mounting portion 8. The electrical component mounting portion damper 28 generates a reaction force against the weight of the electrical component mounting portion 8 and has a function of adjusting the opening / closing force of the electrical component mounting portion 8 and maintaining the open state. Yes. FIG. 11 (in FIG. 11, the upper side of the video display module mounting portion 5 having a two-stage configuration) shows that the electrical component mounting portion 8 is kept open.

  Since the configuration of other members is the same as that of the first embodiment, description thereof is omitted here.

  Next, how to maintain and adjust the large video display device 102 using the opening movement mechanism and the door mechanism will be described.

  First, when performing maintenance / adjustment inside the large-sized video display device 102, the rear cover 3 such as a rear door provided in the main body 1 is opened or removed so that the inside of the main body 1 can be seen from the rear.

  Next, the electric component attachment portion fixing bracket 21 is released, and the door of the electric component attachment portion 8 attached to the video display module attachment portion 5 in the main body 1 is opened rearward. By opening the door, the inside of the video display module mounting portion 5 can be seen from behind. Here, the door opening of the electrical component mounting portion 8 can be easily opened by the weight of the electrical component mounting portion 8 and does not close unless an external force is applied. Further, the open state of the electrical component mounting portion 8 is maintained by the electrical component mounting portion damper 28.

  By this operation, the large video display device 102 is in the state shown in FIG. 11 (in FIG. 11, the upper stage side of the video display module mounting portion 5 having a two-stage configuration). And in the said state, maintenance, such as removal of the back surface wiring part of the video display module 2 in the video display module attachment part 5, and back surface cleaning, is performed.

  Next, an external force is applied to close the electrical component mounting portion 8. Then, the electric component mounting portion 8 is fixed to the video display module mounting portion 5 by using the electric component mounting portion fixing bracket 21 so that the electric component mounting portion 8 is not opened by its own weight.

  Next, the video display module mounting portion fixing bracket 24 as shown in FIG. 6 is released, and the video display module mounting portion 5 is opened and moved rearward and downward. By the opening operation, the front surface of the video display module mounting portion 5 can be viewed from the rear upper side. Here, the opening movement of the video display module mounting portion 5 can be easily opened by the weight of the video display module mounting portion 5 and does not close unless an external force is applied. Further, the video display module mounting portion damper 27 maintains the open state of the video display module mounting portion 5.

  By this operation, the large-sized video display device 102 is in the state shown in FIG. 11 (the lower side of the video display module mounting portion 5 having a two-stage configuration in FIG. 11). In this state, maintenance such as replacement / cleaning of the video display module 2 mounted on the front surface of the video display module mounting portion 5 and cleaning of the inside of the protective glass portion 30 is performed.

  Now, after the maintenance of the video display module 2 and the protective glass part 30 is completed, an external force is applied to rotate the video display module mounting part 5 forward. Thereby, the video display module mounting portion 5 is accommodated in the main body portion 1. At this time, for example, the rotation of the video display module mounting portion 5 to the inside of the main body 1 shown in FIG. 6 is stopped by a member such as a stopper 23, and the video display module mounting portion 5 is fixed to a predetermined position by the stopper or the like. It is possible to prevent turning forward from the position.

  Next, the video display module mounting part 5 is attached to the main body 1 using a member such as the video display module mounting part fixing bracket 24 shown in FIG. Fix it.

  Next, the electrical component mounting portion fixing bracket 21 is released, and the electrical component mounting portion 8 is opened rearward and downward by its own weight. As a result, the inside of the video display module mounting portion 5 can be seen from behind.

  By this operation, the large video display device is in the state shown in FIG. 11 (in FIG. 11, the upper stage side of the video display module mounting portion 5 having a two-stage configuration). In this state, the rear wiring work of the video display module 2 in the video display module mounting portion 5 is performed.

  Thereafter, an external force is applied to close the electrical component mounting portion 8. Then, the electric component mounting portion 8 is fixed to the video display module mounting portion 5 by using the electric component mounting portion fixing bracket 21 so that the electric component mounting portion 8 is not opened by its own weight.

  Finally, the rear surface of the main body 1 is closed by the rear cover 3 (see FIG. 10).

  As described above, in the large-sized video display device 102 according to the third embodiment, the upper end side (the other end portion) of the video display module mounting portion 5 and the electrical component mounting portion 8 is set to the lower end side (one end edge). Since the video display module mounting portion 5 and the electrical component mounting portion 8 can be easily opened and moved by their own weights. Therefore, a large-sized video display device with good maintenance work efficiency can be obtained.

  Moreover, in the large-sized video display apparatus 102 according to the third embodiment, the video display module mounting portion 5 is opened by its own weight as described above, and therefore, as in the large-sized video display apparatus 100 according to the first embodiment, a roller The part 10 and the guide rail 11 are not necessary. Therefore, an inexpensive large-sized video display device can be obtained.

  Furthermore, since the video display module mounting portion damper 27 or the electrical component mounting portion damper 28 controls the release of the video display module mounting portion 5 or the electrical component mounting portion 8 by its own weight, the electrical component mounting portion 8 is connected to the support column 4. Contact can be prevented.

  Moreover, in each said embodiment, although mentioned about the case of the video display module attachment part 5 divided | segmented into two, the support | pillar part 4 is increased and the video display module attachment part 5 is divided | segmented into three or more numbers, The video display device according to each of the above embodiments may be applied. As a result, the area occupied by each video display module mounting portion 5 is reduced, so that it is possible to save space for the rearward movement of the video display module mounting portion 5, and for a larger large video display device. However, the rear space can be reduced, and the restrictions on the installation location are eliminated.

1 is a front perspective view of a video display device according to Embodiment 1. FIG. It is a back appearance perspective view showing the state where the image display attachment part of the image display device concerning Embodiment 1 is open. FIG. 3 is an upper cross-sectional view showing the internal configuration of each member in the video display apparatus according to Embodiment 1. FIG. 3 is an upper cross-sectional view illustrating a state in which a video display module mounting portion and an electrical component mounting portion are opened in the video display device according to the first embodiment. It is an expansion perspective view which shows a mode that a video display module is attached to a video display module attachment part. FIG. 3 is an enlarged side sectional view showing an internal state around a lower part of the video display device according to the first embodiment. FIG. 6 is an upper cross-sectional view showing an internal configuration of each member in a video display device according to Embodiment 2. FIG. 10 is an upper cross-sectional view illustrating a state in which a video display module mounting portion and an electrical component mounting portion are opened in the video display device according to the second embodiment. FIG. 10 is a rear external perspective view showing a state in which a video display mounting portion of the video display device according to Embodiment 3 is open. FIG. 10 is a side cross-sectional view showing an internal configuration of each member in a video display device according to Embodiment 3. FIG. 10 is a side cross-sectional view illustrating a state in which a video display module mounting portion and an electrical component mounting portion are opened in a video display device according to Embodiment 3.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main-body part, 2 Video display module, 3 Rear cover, 4 Support | pillar part, 5 Video display module attaching part, 5a 1st surface, 6 Video display module attaching part fixed hinge (1st hinge), 7 Electrical component, 8 Electrical component attachment part (door part), 9 Electrical part attachment part fixed hinge (second hinge), 10 roller part, 11 guide rail, 12 fan part (air circulation device), 13 space heater part (air circulation device), 20 strut stopper, 21 electrical component mounting bracket fixing device (door cover lid fixing device), 22 supporting column stopper fixing bracket (opening maintenance device), 23 stopper (video display module mounting portion restraining device), 24 video display module mounting Part fixing bracket (video display module mounting part fixing device), 25 video display module mounting part stop stage, 26 electrical component mounting part stop stage ( Stop stay), 27 video display module mounting part damper (video display module mounting part opening maintaining device), 28 electrical component mounting part damper (door opening maintaining device), 30 protective glass part, 40 video display module mounting hole ( First hole), 41 Video display module wiring hole (second hole), 100, 101, 102 Video display device.

Claims (14)

  1. The main body,
    A plurality of video display module mounting portions, in which a plurality of video display modules are arranged on a first surface disposed in the main body portion and facing the front side of the main body portion;
    An opening movement mechanism that pivotally supports one end edge of each of the plurality of video display module mounting portions in a horizontal or vertical direction and opens each video display module mounting portion toward the rear of the main body portion; a, equipped,
    A door portion disposed on a second surface facing the rear surface side of the main body portion of each video display module mounting portion; and
    A door opening mechanism that pivotally supports one edge of the door portion in the horizontal or vertical direction and opens the door toward the rear of the main body portion with respect to the video display module mounting portion. In addition,
    A video display device characterized by that.
  2. The opening movement mechanism is
    A strut portion disposed horizontally or vertically inside the main body portion;
    A first hinge that connects the column portion and the one end edge portion of the video display module mounting portion;
    The video display device according to claim 1.
  3. A video display module mounting portion restraining device that restrains rotation of the video display module mounting portion at a predetermined position with respect to a movement of rotating the video display module mounting portion from the open state toward the front of the main body. And more,
    The video display device according to claim 1, wherein the video display device is a video display device.
  4. A video display module mounting portion fixing device for fixing the video display module mounting portion in a stopped state by the video display module mounting portion blocking device;
    The video display apparatus according to claim 3.
  5. In the video display module mounting portion,
    A first hole in which the video display module can be mounted;
    The second hole through which the wiring to the video display module can be inserted,
    Has been drilled,
    The video display device according to claim 1, wherein the video display device is a video display device.
  6. The door opening mechanism is
    A second hinge connecting the one end edge of the door and the video display module mounting portion;
    The video display device according to claim 1 .
  7. The door part has an electromagnetic wave shielding function,
    The video display device according to claim 1, wherein the video display device is a video display device.
  8. An air circulation device capable of circulating air in the space between the first surface and the second surface of the video display module mounting portion;
    The video display device according to any one of claims 1, 6, and 7 .
  9. A door part lid fixing device for fixing the closed state of the door part with respect to the video display module mounting part;
    The video display device according to any one of claims 1, 6, 7, and 8 .
  10. The support column is disposed in a vertical direction, and the pair of left and right video display module mounting units are connected to the support column.
    The video display device according to claim 2, wherein:
  11. The opening movement mechanism is
    A roller portion disposed at a lower portion of the video display module mounting portion;
    A guide rail disposed in the main body, the roller part being rotatable, and further comprising:
    The video display device according to claim 10 .
  12. A video display module mounting part stop stay connected between the video display module mounting part and the main body part;
    The video display device according to claim 10 or 11, wherein the video display device is a video display device.
  13. The support column is disposed in the horizontal direction for each of the video display device module mounting parts,
    A video display module mounting portion opening maintaining device that is connected between the main body portion and the video display module mounting portion and that adjusts an opening / closing force of the video display module mounting portion and maintains an open state; Yes,
    The video display device according to claim 2, wherein:
  14. A rear cover that can be freely opened and closed at the rear of the main body,
    The video display device according to claim 1 , wherein the video display device is a video display device.
JP2003306435A 2003-08-29 2003-08-29 Video display device Active JP4276030B2 (en)

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JP2003306435A JP4276030B2 (en) 2003-08-29 2003-08-29 Video display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003306435A JP4276030B2 (en) 2003-08-29 2003-08-29 Video display device

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JP4276030B2 true JP4276030B2 (en) 2009-06-10

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JP2009244577A (en) * 2008-03-31 2009-10-22 Railway Technical Res Inst Assembly of large-sized information display
JP5361583B2 (en) * 2009-07-15 2013-12-04 三洋電機株式会社 Image display device
JP5610965B2 (en) * 2010-10-12 2014-10-22 シャープ株式会社 Display installation table and display installation method

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