JP2004229051A - Stand type thin television - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a technique capable of freely moving a thin TV set by requiring no wiring or by decreasing wiring for a power supply, an antenna or the like to the utmost, and capable of safely moving it by considering a tumble resistant. <P>SOLUTION: A stand type display device having a container for containing a battery for driving the display device in a stand base at the low end of the stand, and further capable of fixing a wireless transmitting device to the stand part, can safely and freely move the stand type display device, requires no wiring or decreases wiring for the power supply, the antenna or the like to the utmost, and further easily moves by installing casters at the stand base. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a stand-type flat-panel television having a thin display section such as a liquid crystal panel or a plasma display (PDP).
[0002]
[Prior art]
Conventionally, small LCD televisions have been widely supported by users, mainly in markets such as portable and in-car applications. Recently, with the enlargement of liquid crystal panels and PDPs, TVs having these thin and lightweight display panels have been replaced by conventional CRT TVs, and technical development and product development have been actively carried out.
[0003]
Since these devices are thin and lightweight, various proposals are being made on stands for holding display devices, such as miniaturization and weight reduction, slimness, and interior design. Furthermore, in recent years, a system that receives signals by wireless communication has been developed, and there is an environment where television can be viewed without connecting an antenna cable, and there is an advantage that the user can move freely without being restricted to the installation location. Patent Literature 1 and the like have been proposed as conventional LCD television stands in response to these requirements.
[0004]
The technique disclosed in Patent Document 1 will be described with reference to FIG. FIG. 9 is a front view of a floor stand for a liquid crystal television.
[0005]
In FIG. 9, the floor stand B has a structure in which the support 30 and the mounting support 33 are integrated, and the power cord 31 and the antenna cable 32 pass through the inside of the support 30 of the stand B and are mounted on the upper part of the support 30. It is connected to a modular jack 34 installed on a support 33.
[0006]
A modular connector 35 is provided below the liquid crystal television A, and is connected to a modular jack 34 on the mounting support 33 when the liquid crystal television A is mounted on the mounting support 33. The user connects the power cord 31 and the antenna cable 32 to the power outlet and the antenna terminal of the room where the user is to set up, respectively, and watches the liquid crystal television.
[0007]
[Patent Document 1]
Japanese Utility Model 5-2486
[0008]
[Problems to be solved by the invention]
Flat-panel TVs have the advantage that they are lighter in weight and smaller in footprint than conventional CRT TVs and can be moved freely. However, as shown in Fig. 9, the size of the LCD TV is relatively large compared to the size of the stand. In such a case, there is a problem that there is a risk that the stand may fall over when the stand is moved.
[0009]
In addition, even if it is inconvenient to move frequently, and even if a wireless transmission system is used and the antenna cable is not required, the power cord must be connected. The connection of the power cord is not desirable in terms of external appearance, and the power cord becomes entangled and hinders movement, and the movement distance is limited by the location of the outlet and the length of the power cord. are doing.
[0010]
The present invention has solved such a conventional problem, and by eliminating or minimizing wiring such as a power supply and an antenna, it is possible to freely move a flat-screen TV, and in consideration of prevention of overturning, safety is reduced. Technology that can be moved to
[0011]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention provides a stand-type flat-screen television having a main body having a thin display portion and a stand for supporting the main body, wherein the stand has a stand support, It comprises a main body mounting part provided on the upper part of the stand support for mounting the main body, and a stand base provided on the lower part of the stand support, and the stand base stores a battery for driving the main body. It has a storage section.
[0012]
Further, according to the present invention, in the above-described invention, the storage portion stores the battery such that the widest surface of the battery is disposed facing the bottom surface of the base.
[0013]
According to the present invention, in the above invention, an angle can be adjusted between the main body mounting portion and the stand support.
[0014]
Further, in the present invention, in the above invention, a grip for gripping at the time of carrying or adjusting the angle is provided in the main body mounting portion.
[0015]
Further, in the present invention according to the above-mentioned invention, it is characterized in that the main body has a mounting portion for a signal input / output wireless transmission device.
[0016]
Further, according to the present invention, in the above-mentioned invention, the thin display section has a liquid crystal panel or a plasma display panel.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of a stand for a liquid crystal television according to the present invention will be described with reference to FIGS. Note that the same parts as those in the conventional example are denoted by the same reference numerals, and description thereof will be omitted.
[0018]
A first embodiment will be described with reference to FIGS. FIG. 1 is a perspective view showing a state in which a liquid crystal television A is set on a floor stand C. FIG. 2 is a front view of the lower portion of the floor stand C. FIG. 3 is a rear view showing a state in which a liquid crystal television is set on the floor stand C.
[0019]
The floor stand C includes a support 1, a television fixing portion 5 provided on the upper portion of the support 1, and legs 3 provided on a lower portion of the support 1. The support column 1 is erected substantially at the center of the leg 3, the leg 3 has a caster 2 at the tip and has a leg 3 a projecting in four directions, and a battery 4 a can be stored and charged on the back of the leg 3. Battery box 4 is provided.
[0020]
The column 1 can be extended and contracted by loosening the fastener 1b, and the height can be adjusted. The power cord 6 from the back of the liquid crystal television A is connected to a power socket of the battery box 4. The height of the caster 2 is higher than the thickness of the battery 4a, so that the bottom does not shift during movement.
[0021]
A grip portion 5a is formed above the television fixing portion 5 for moving the liquid crystal television A and gripping when adjusting the angle of the display surface of the liquid crystal television A, and below the television fixing portion 5 is a T-shaped support 1. A curl portion 5b for forming an angle adjusting mechanism with the end portion 1d (FIG. 6 described later) is provided. The central portion of the television fixing portion 5 is a portion to which the liquid crystal television A is fixed by screws or the like, and has a surface substantially matching the shape of the fixing portion on the liquid crystal television A side.
[0022]
Reference numeral 17 denotes a wireless transmission device, which is fixed to the television fixing unit 5 on the surface opposite to the liquid crystal television A. Note that the wireless transmission device 17 can be fixed to the liquid crystal television A and then fixed to the television fixing portion 5, or can be fixed to the television fixing portion 5 by fastening together with the liquid crystal television A.
[0023]
FIG. 4 is a cross-sectional view of the vicinity of the column 1 expanding and contracting portion. The strut 1 telescopic portion has a structure in which the outer diameter portion of the small diameter strut portion 1c can freely enter and exit the inner diameter portion of the large diameter strut portion 1a, and the inner diameter of the fastener 1b and the outer diameter portion of the large diameter strut portion 1a are It has a screw structure.
[0024]
The tip of the large-diameter support portion 1a on the leg 3 side has a gradient that gradually becomes larger than the inner diameter of the fastener 1b. By tightening the fastener 1b toward the distal end of the large-diameter support portion 1a, the large-diameter support is provided. The tip of the portion 1a has a structure in which the small-diameter support portion 1c is fastened, and the large-diameter support portion 1a and the small-diameter support portion 1c are fastened and fixed. As a result, the large-diameter strut portion 1a and the small-diameter strut portion 1c can be extended and contracted, and a structure can be obtained in which the fastener 1b can be fixed and come out at an arbitrary length.
[0025]
FIG. 5 is a circuit block diagram of the battery box 4 in the stand of the present embodiment.
[0026]
The battery box 4 includes a switch 21 for switching between battery driving and AC driving, a battery charging unit 23, an AC plug 25, an AC distribution unit 24, an AC connection detection unit 22, and a switch control unit 20. Based on the signal from the detection unit 22, the switch 21 is switched to the AC side when there is an AC input, and the switch 21 is switched to the battery charging unit 23 when there is no AC input. The power plug 6a at the end of the power cord 6 of the liquid crystal television A is connected to the socket 4b.
[0027]
FIG. 6 is a side view of an angle adjusting mechanism formed by the grip portion 5a and the column 1.
[0028]
A curl portion 5b is provided below the television fixing portion 5 to form an angle adjusting mechanism with the T-shaped end 1d of the column 1. The curled portion 5b has a T-shaped end 1d with a spring property, the curled portion 5b is provided with a convex portion 5c, and the T-shaped end 1d is provided with a plurality of concave portions 1e. Since the convex portion 5c and the concave portion 1e are arranged at a fitting position, the user grips the grip portion 5a and moves the grip portion 5a back and forth in a direction perpendicular to the screen of the liquid crystal television A, so that the curl portion 5b also has a T-shaped end portion. The angle is set by sliding and rotating the outer periphery of 1d and fitting the convex portion 5c and the concave portion 1e at a predetermined angle.
[0029]
The procedure for the user to fix the liquid crystal television A to the floor stand B and handling such as movement of the floor stand B will be described with reference to FIGS.
[0030]
The user attaches the charged battery 4a to the battery box 4 on the back of the leg 3. If there is an AC outlet near the installation location, it is possible to connect the AC plug 25 to charge the battery 4a, and it is also possible to drive the liquid crystal television A with AC.
[0031]
Next, the liquid crystal television A is fixed to the television fixing unit 5 with a plurality of screws (not shown), and the wireless transmission device 17 is further fixed to the television fixing unit 5 with a plurality of screws (not shown). Connection. Then, by connecting the power cable 6 from the back of the liquid crystal television A to the power socket 4b, the mounting on the floor stand 1 is completed.
[0032]
The user uses the casters 2 to move to the room to be viewed, determines the installation position by performing a caster lock (not shown) at the installation position in the room, and adjusts the height and angle by the fastener 1b and the grip portion 5a to view the user. Select and fix the optimal state between the positions. The user turns on the power of the liquid crystal television A by using a remote control device (not shown), and selects and watches the desired channel and volume.
[0033]
As described above, the floor stand C of the present invention has the battery 4a installed at the lowermost portion of the stand portion C, the movable caster 2, and the telescopic support 1 and the angle adjustment function of the liquid crystal television A. The method for holding the battery 4a, the expansion and contraction mechanism, the angle adjustment mechanism, and the number and shape of the legs 3a are not limited to the methods and shapes described in the embodiment.
[0034]
Further, a wireless transmission device 17 can be attached near the liquid crystal television A fixing portion 5, so that an antenna cable-less correspondence is also possible. It should be noted that the power cable 6 can be made to be a smarter floor stand C by passing through the column 1.
[0035]
A second embodiment will be described with reference to FIGS.
[0036]
7A and 7B are perspective views showing a state in which the liquid crystal television A is set on the table stand. FIG. 7A is a table stand of a type in which the AC cord 10 comes out of the stand base 12, and FIG. FIG. 4C is a side view showing the inside of the table stand of the type shown in FIG.
[0037]
In FIG. 7, the table stand is composed of a support 9, a stand base 12, a stand rotating part 8, and a grip 7. The lower end of the support 9 and the stand base 12 are fixed with screws or the like. 7 is rotatably fixed by a stand rotating part 8. The portion of the grip portion 7 located on the stand rotating portion 8 has a flat portion.
[0038]
The column 9 is erected on the stand base 12, a battery adapter 13 is provided on the inner bottom surface of the stand base 12, and a battery 14 is detachably mounted on the battery adapter 13. The power cord 6 from the back of the liquid crystal television A is connected to a socket 7a provided on the liquid crystal television mounting portion 7b.
[0039]
FIG. 8 is a circuit block diagram of the battery adapter 13 in the table stand.
[0040]
The battery adapter 13 includes a switch 13a for switching between battery driving and AC driving, a battery charging unit 13c, an AC plug 11, an AC cord 10, an AC connection detecting unit 13b, a switch control unit 13d, and an output line 13e. Based on the signal from the AC connection detection unit 13b, the unit 13d switches the switch 13a to the AC side when there is an AC input, and switches the switch 13a to the battery charging unit 13c when there is no AC input.
[0041]
The handling of the user will be described with reference to FIGS.
[0042]
The user attaches the battery 14 to the battery adapter 13 on the inner bottom surface of the stand base 12. Connect the AC plug 11 to an AC outlet near the installation location. By connecting the AC plug 11 to the AC outlet, a predetermined charging operation is started according to the charging state of the battery 14.
[0043]
The user turns on the power of the liquid crystal television A with a remote control device (not shown), and selects and watches the desired channel and volume. The angle of the screen is adjusted by gripping the grip portion 7 and moving it back and forth in a direction orthogonal to the screen of the liquid crystal television A, using the stand rotating portion 8 as a rotation axis.
[0044]
When the AC plug 11 is connected to an AC outlet, the AC connection detection unit 13b detects the AC input, so that the liquid crystal television A is driven by AC.
[0045]
Next, when the user wants to view the video at a place where there is no AC outlet such as a veranda, the user unplugs the AC plug 11 and takes it to the veranda.
[0046]
When the LCD television A is set on the veranda and the user turns on the liquid crystal television A with a remote control device (not shown), the AC connection detection unit 13b does not detect the AC input. Is battery driven. However, if the switch 13a is normally connected to the output side of the battery charging unit and switched to AC input upon detecting that the AC cord is connected, the switch 13a is switched after the power input as described above. No additional steps are required.
[0047]
By incorporating the battery 14 in this way, it is possible to watch television anywhere.
[0048]
As described in the first embodiment, the table stand can also be equipped with the wireless transmission device 17, so that it can be viewed in a place where the antenna radio wave input is poor, or the video such as DVDD can be viewed by wireless transmission. Will be possible.
[0049]
As described above, the battery built-in stand has been described using the floor stand and the table stand as an example. However, in the present invention, the batteries 4a and 14 are mounted at the bottom of the stand for the thin display device to stably hold the thin display device. In addition to this, the present invention is an invention that improves aesthetics and ease of use regardless of the location by using a cable-less built-in battery. By keeping it parallel to the bottom surface, more stable holding is possible.
[0050]
【The invention's effect】
According to the present invention, since the battery for power supply is mounted on the stand, power can be supplied from the battery to the main body of the liquid crystal television, and the power cord hinders movement and the appearance is deteriorated. Can be prevented.
[0051]
In addition, since the battery for supplying power to the display device is located on the bottom of the stand, the center of gravity of the stand can be kept low, the risk of falling is reduced, and the stand can be moved safely. It becomes.
[0052]
In addition, the height and angle of the display device can be adjusted, enabling comfortable viewing, and the movement of the display device is facilitated by having the grip portion.
[0053]
In addition, a wireless transmission device can be mounted, and not only a power cord but also an antenna cable are not required, and there is no wiring to the outside, so the appearance is clean and the stand can be moved freely without any restrictions. .
[Brief description of the drawings]
FIG. 1 is a perspective view of a stand-type display device according to a first embodiment of the present invention.
FIG. 2 is a front view of a floor stand according to the first embodiment of the present invention.
FIG. 3 is a rear view of the stand-type display device according to the first embodiment of the present invention.
FIG. 4 is a cross-sectional view showing the vicinity of a column extending / contracting portion according to the first embodiment of the present invention.
FIG. 5 is a block diagram of a battery box circuit according to the first embodiment of the present invention.
FIG. 6 is a side view of the angle adjusting unit according to the first embodiment of the present invention.
FIG. 7 is a side view of a stand-type display device according to a second embodiment of the present invention.
FIG. 8 is a circuit block diagram of a battery box according to a second embodiment of the present invention.
FIG. 9 is a front view of a conventional stand type display device.
[Explanation of symbols]
Reference Signs List A LCD TV B Stand C Stand 1 Support 2 Caster 3 Leg 4 Battery box 5 TV fixing unit 6 Power cord 7 Grip unit 8 Stand rotating unit 9 Support 10 AC cord 11 AC plug 12 Stand base 13 Battery adapter 14 Battery

Claims (6)

A stand-type flat-panel television having a main body having a thin display portion and a stand for supporting the main body, wherein the stand comprises a stand support, and the main body provided on an upper portion of the stand support. And a stand base provided under the stand support, and the stand base has a storage part for storing the battery for driving the main body. Stand-type flat-screen TV. The stand-type flat-panel television according to claim 1, wherein the storage section stores the battery such that the widest surface of the battery is disposed facing the bottom surface of the base. The stand-type flat-panel television according to claim 1, wherein an angle between the main body attachment portion and the stand support can be adjusted. The stand-type flat-panel television according to claim 3, wherein the main body mounting portion is provided with a grip for gripping when carrying or adjusting the angle. The stand-type flat-panel television according to any one of claims 1 to 4, further comprising a mounting portion for a wireless transmission device for signal input / output of the main body. The stand-type thin television according to any one of claims 1 to 5, wherein the thin display unit has a liquid crystal panel or a plasma display panel.

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