JP5144369B2 - Image data output device and image display device - Google Patents

Description

  The present invention is a part of a system called an electronic POP (Point of Presence, Point of Purchase advertising), an electronic signage (digital signage) or the like (hereinafter referred to as a digital signage system) at a place such as a store. And an image display device including the image data output device.

  In recent years, electronic display devices have been widely used to display advertisements and the like in stores and public places, and digital signage systems called electronic POPs and electronic signage have been constructed. An image data output device that constitutes a part of such a digital signage system is known (for example, see Patent Document 1).

  The image data output device outputs image data for displaying an image to the display device by connecting to a display device (for example, a liquid crystal monitor) that displays the image. The image data output device has an electronic circuit board and the like for outputting image data to a display device inside a box-shaped housing. Further, the housing of the image data output device is provided with various input / output terminals such as a connection terminal (LAN terminal connector, etc.) of a signal cable for inputting / outputting image data and a power input terminal.

  In many cases, the display device is configured as a single unit including a main body having a display screen and a fixing device for supporting the main body and fixing the main body at a predetermined place. Such a display device is fixed to a product shelf of a store, a table in a checkout corner, or the like by the fixing device.

  The image data output device is normally configured separately from the display device, and is often retrofitted to the display device. In addition, the image data output device is often smaller than the display device.

  Therefore, when constructing the digital signage system in a store or the like, the image data output device is disposed in the vicinity of the display device and connected to the display device with a predetermined cable. Thereby, an image display device as a terminal of a digital signage system has been constructed.

As an arrangement form of the image data output device, the image data output device can be simply placed in the vicinity of the display device without being fixed to a store shelf or an accounting corner stand, or the image data output device. Even if the case is fixed, the case of the image data output device is simply fixed to a predetermined location such as the product shelf with a double-sided tape or the like.
JP-A-2005-251170

  As described above, in the above-described prior art, the image data output device is simply placed in the vicinity of the display device without being firmly fixed to a store shelf or an accounting corner table, or the like. Even in the case of fixing, the casing of the image data output device is simply fixed to a predetermined location such as the product shelf with a double-sided tape or the like. In addition, the image data output device is often smaller than the display device, and is easy to take out to the outside of a store or the like. Therefore, it has been difficult for the conventional image data output device to avoid mischief or theft by an unsuspecting person.

  In addition, although the image data output device is disposed in the vicinity of the display device, the image data output device is provided separately from the display device. It was not good.

  Thus, it has been desired to provide an image data output device that can suppress theft of the image data output device and improve the appearance.

  Further, it has been desired to provide an image display device that can suppress theft of the image data output device and improve the appearance.

  The present invention has been made in view of the above, and an object of the present invention is to provide an image data output device capable of suppressing theft of the image data output device and improving the appearance.

  Another object of the present invention is to provide an image display device that can suppress theft of the image data output device and can improve the appearance.

  In order to achieve the above object, (1) the present invention is an image data output device for outputting image data for displaying the image to the display device by connecting to a display device for displaying the image, The display device is disposed between the display device and a fixing device that fixes the display device in a predetermined place, or is further disposed behind the fixing device that is disposed behind the display device, and the display is performed by fastening and fixing means. It is formed so that it can be fastened together with the device and the fixing device.

  (2) In the invention of (1), each of the image data output device and the fixing device is formed with a through hole through which a shaft portion of a screw as a fastening fixing means is inserted, and is provided on the back surface of the display device. A screw hole to be screwed with the shaft portion of the screw is formed at a position corresponding to the through hole, and the image data output device can be fastened together with the display device and the fixing device by the screw. Is preferred.

  (3) In the invention described in (2), a cylindrical spacer through which the shaft portion of the screw is inserted is fixed in the through hole of the image data output device, and the axial length of the spacer is fixed. Is formed at least equal to or longer than the length of the through hole of the image data output device, and both end surfaces of the spacer in the axial direction are flush with the surface of the image data output device. Or it is preferably provided so as to protrude from the surface by a predetermined amount.

  (4) In the invention described in (2) or (3), it is preferable that at least three through holes are provided.

  (5) In the invention described in (3), the outer diameter of the spacer is greater than or equal to a predetermined value relative to the image data output device when the image data output device is fastened together with the screw. It is preferable that it is formed smaller than the inner diameter of the through hole of the image data output device so as not to exert the above stress.

  (6) The present invention provides a display device that displays an image, an image data output device that is connected to the display device and outputs image data for displaying the image to the display device, and the display device An image display device comprising: a fixing device for fixing to a place, wherein the image data output device is arranged between the display device and the fixing device, or arranged behind the display device It is arranged further behind the fixing device, and is formed so as to be fastened together with the display device and the fixing device by fastening and fixing means.

  ADVANTAGE OF THE INVENTION According to this invention, while being able to suppress the theft etc. of an image data output device, the image data output device which can improve appearance can be provided.

Further, according to the present invention, it is possible to provide an image display device that can suppress theft of the image data output device and improve the appearance.

Embodiments of the present invention will be described below in detail with reference to the drawings. In addition, this invention is not limited by this embodiment.
[First Embodiment]
FIG. 1 is an assembled perspective view showing a state in which an image data output apparatus according to a first embodiment of the present invention is fixed, and FIG. 2 is a partial cross-sectional view showing a structure in the vicinity of a spacer of the image data output apparatus.

<Description of Image Data Output Device 10>
As shown in FIGS. 1 and 2, the image data output device 10 is connected to a display device 20 that displays an image, thereby outputting image data for displaying an image to the display device 20. That is, the image data output device 10 constitutes a part of a digital signage system called an electronic POP or an electronic signboard at a place such as a store. The image data refers to various information such as advertisements for products sold in stores and the like, and includes all characters, photographs, and other video information desired to be notified to consumers. It does not matter whether the image is a still image or a moving image. The image data does not exclude audio data, and may include audio data.

  The image data output device 10 has an electronic circuit board and the like for outputting image data to the display device 20 inside the housing 11, but illustration and detailed description of the electronic circuit board and the like are omitted. In addition, various input / output terminals such as a connection terminal (LAN terminal connector, etc.) of a cable for inputting / outputting image data and a power supply input terminal are provided at an appropriate position of the housing 11 of the image data output apparatus 10. Also for these, illustration and detailed description are omitted, and only characteristic portions of the present invention will be described below.

  The housing 11 of the image data output device 10 is formed in a flat rectangular parallelepiped shape, for example, with synthetic resin. The housing 11 is provided with four through holes 12 through which the shaft portion 50b of the screw 50 is inserted in order to be fastened and fixed together with the display device 20 and the fixing plate 33 by screws (fastening and fixing means) 50. The four through holes 12 are preferably arranged in a rectangular shape, for example, in order to increase the mechanical stability when fastened together. The four through holes 12 are also provided at corresponding positions of the electronic circuit board in the housing 11.

  In addition, the arrangement | positioning pitch in the vertical direction of the through-holes 12 and 12 is set to 75 mm by the standard, for example. In addition, an appropriate plus groove, minus groove, hexagon hole, or the like is formed on the head 50a of the screw 50 in order to use a tool such as a screwdriver or a hexagon wrench.

<Description of spacer 13>
As shown in FIGS. 1 and 2, a cylindrical spacer 13 into which the shaft portion 50 b of the screw 50 is inserted is fixed to each through hole 12 of the image data output device 10. Since the spacer 13 receives an axial fastening force by the screw 50 as will be described later, the spacer 13 is preferably formed of a metal material having high mechanical strength, for example.

  As shown in FIG. 2, the spacer 13 is provided so that both end surfaces in the axial direction of the spacer 13 protrude from the surface 11 a and the back surface (surface) 11 b of the housing 11 by a predetermined amount. That is, the axial length L1 of the spacer 13 is configured to be larger than the length L2 of the through hole 12.

  The outer diameter of the spacer 13 is such that when the casing 11 of the image data output device 10 is fastened together with screws 50, the spacer 13 exerts a predetermined stress on the casing 11 and internal components. The inner diameter of the through hole 12 is smaller than the inner diameter by a predetermined amount. Here, the stress exceeding the predetermined value is a stress such as compression or twist applied to the spacer 13 and refers to a stress that causes a defect such as deformation or cracking of the housing 11 or internal components.

  The spacer 13 is formed in this way even if the display device 20, the casing 11, and the fixing plate 33 are fastened together by a screw 50 with an excessive fastening force (stress) to some extent, the spacer 13 receives the fastening force. Because. Further, even when the spacer 13 is deformed due to the stress within the allowable range, the deformation or the like is absorbed by a predetermined gap formed between the through hole 12 and the spacer 13 and the stress via the spacer 13 is directly applied. This is to prevent the casing 11 from reaching the peripheral edge of the through hole 12.

  That is, by providing the spacer 13 in the casing 11, it is configured to suppress the occurrence of defects such as deformation and cracking in the casing 11 and internal components even when the above-described excessive fastening is performed. Is.

<Description of Display Device 20>
The display device 20 displays an image based on the image data output from the image data output device 10. The display device 20 is configured as a small liquid crystal monitor, for example, and a predetermined image is displayed on the display surface 21.

  As shown in FIGS. 1 and 2, four screw holes 23 to be screwed with the shaft portion 50 b of the screw 50 are provided on the back surface 22 of the display device 20 at positions corresponding to the through holes 12 and 35. ing. That is, the four screw holes 23 are provided at the same arrangement pitch as the through holes 12 and 35. Further, the four screw holes 23 are formed in the frame member or the like forming the skeleton of the display device 20 with a predetermined depth (a depth having a predetermined effective screw portion). In FIG. 2, detailed display of the female screw portion in the screw hole 23 is omitted.

<Description of Fixing Device 30>
The fixing device 30 is fixed to a base 31 that is fixed to a store shelf or a billboard corner of a store, a support column 32 that is erected on the base 31, and an upper end portion of the support column 32. A flat rectangular fixing plate 33 that is fastened together with the display device 20 and the image data output device 10 is provided. The fixing device 30 is preferably formed of a synthetic resin or metal having a predetermined strength.

  The fixing plate 33 is provided with four through holes 35 through which the shaft portion 50b of the screw 50 is inserted. The four through holes 35 are provided at positions corresponding to the four through holes 12 of the housing 11. The four through holes 35 are preferably arranged in a rectangular shape, for example, in order to increase the mechanical stability at the time of fixing together.

<Description of Image Display Device 40>
The image display device 40 includes the display device 20, the image data output device 10, and the fixing device 30, and the display device 20, the image data output device 10, and the fixing plate 33 are fastened together by screws 50. Thus, it is configured integrally. In the image display device 40, the base 31 of the fixing device 30 is fixed to a product shelf in a store, a table in a checkout corner, or the like, and displays information such as product advertisements.

  As described above, according to the image data output device 10 according to the first embodiment, the image data output device 10 is disposed between the display device 20 and the fixing device 30, and the display device 20 and the fixing device 30 are Since it is fastened together with the fixing device 30, the image data output device 10 cannot be physically separated from the image display device 40 unless the screw 50 is removed. For this reason, mischief and theft are extremely difficult, and a deterrent effect such as theft can be enhanced.

  Further, since the image data output device 10 is arranged between the display device 20 and the fixing device 30 and fixed together by screws 50, the exposed portion is compared with the case where the image data output device 10 is arranged separately. Since it decreases, it can improve appearance.

  Further, since the image data output device 10 is disposed in contact with the display device 20, the connection cables and the like to the display device 20 can be easily and compactly integrated, the appearance is improved, and the installation operator's work The burden can be reduced.

  In addition, since the image data output device 10 includes the spacer 13, it is possible to suppress the occurrence of defects such as deformation and cracking in the casing 11 and internal components even when the spacers 13 are excessively fastened together. can do. Therefore, it is possible to provide the image data output device 10 with high reliability.

  That is, since the axial length L1 of the spacer 13 is configured to be larger than the length L2 of the through hole 12 of the housing 11, the display device 20, the housing 11, and the fixing plate 33 are formed by the screws 50. However, even if it is fastened together by a certain excessive fastening force, the fastening force can be received by the spacer 13. Therefore, problems such as deformation and cracking do not occur in the housing 11 and internal components.

  In addition, since the outer diameter of the spacer 13 is formed to be smaller than the inner diameter of the through hole 12, even if the spacer 13 is deformed by an excessively strong fastening force and the spacer 13 is deformed by a stress within an allowable range, The deformation or the like can be absorbed by a predetermined gap formed between the through hole 12 and the spacer 13, and the stress through the spacer 13 is prevented from directly reaching the peripheral edge of the through hole 12 of the housing 11. can do.

The image data output device 10 is provided with four through holes 12, the fixing plate 33 with through holes 35, and the display device 20 with four screw holes 23 arranged in a rectangular shape. The mechanical stability at the time of fastening can be increased.
[Second Embodiment]
The second embodiment shows another variation of the present invention. FIG. 3 is an assembled perspective view showing a state in which the image data output apparatus 10 according to the second embodiment of the present invention is fixed. In the following description, members that are the same as or correspond to those already described are assigned the same reference numerals, and redundant description is omitted or simplified.

  That is, in the second embodiment, as shown in FIG. 3, a screw 52 shorter than the screw 50 is used as a part of the fastening and fixing means for fixing together, and the housing 11 is attached to the back surface 22 of the display device 20. After the fixing, the casing 11 is further fastened and fixed together with the display device 20 by the fixing plate 33 and the screws 50. The screw 52 is of the same standard as the screw 50, and the length of the shaft portion 52b is shorter than that of the shaft portion 50b.

  On the other hand, the shaft portion 50b in the second embodiment is formed longer than the shaft portion 50b in the first embodiment by the thickness of the head portion 52a. This is because in the second embodiment, the head 52 a is sandwiched between the housing 11 and the fixed plate 33. Other configurations are the same as those in the first embodiment.

  In the second embodiment, since the head portion 52a of the screw 52 is sandwiched between the housing 11 and the fixing plate 33 and the head portion 52a is covered with the fixing plate 33, the fastened screw 50 is removed and the housing 11 is removed. The screw 52 cannot be removed unless the fixing plate 33 and the fixing plate 33 are separated. Therefore, it is more difficult to remove the image data output device 10 than in the first embodiment in which the heads 50a of all the screws 50 are exposed on the back surface of the fixing plate 33.

  As described above, according to the image data output device 10 according to the second embodiment, the same effect as the effect produced by the image data output device 10 according to the first embodiment can be obtained, and tampering or theft can be further prevented. Can be suppressed.

  In the second embodiment, since the head portion 52a is sandwiched between the housing 11 and the fixing plate 33, there is a gap between the housing 11 and the fixing plate 33 by the thickness of the head portion 52a. Arise. At this time, in the portion where the upper through holes 12 and 35 are formed in the casing 11 and the fixing plate 33 (hereinafter referred to as the upper gap portion), no member corresponding to the thickness of the head 52a is interposed. Absent.

  Therefore, if the screw 50 is tightened too much in the state where the gap is generated, the housing 11 and the fixing plate 33 are too close to each other, and the housing 11 and the fixing plate 33 may be deformed or damaged. There is.

  Therefore, the two screws 52 are provided diagonally with respect to the through hole 12, the two screws 50 are provided diagonally with respect to the through hole 35, and both diagonal lines are arranged so as to cross each other. You may improve the dynamic balance at the time of fastening fixation.

  Further, for example, an annular spacer having the same thickness as the head 52a (hereinafter referred to as an upper gap spacer) is provided in the upper gap, and the shaft of the screw 50 is inserted into the upper gap spacer and the through hole 12. If the portion 50b is inserted and screwed into the screw hole 23, it is possible to suppress the housing 11 and the fixing plate 33 from being too close to each other.

  Alternatively, a protruding portion may be formed from at least one of the opposing surfaces of the casing 11 and the fixing plate 33 that form the upper gap portion, and the upper gap portion spacer function may be provided.

  Further, the upper gap portion can be prevented from being formed by the following means. That is, in the fixed state of the screw 52, all or one of the heads 52a is placed on at least one opposing surface of the housing 11 and the fixing plate 33 so that the opposing surfaces of the housing 11 and the fixing plate 33 can be in close contact with each other. It is preferable to provide a recess in which the part can be immersed. Thus, by providing the recessed part which can absorb the thickness of the head part 52a, an upper clearance part is no longer formed and the dynamic balance at the time of the joint fastening fixation with the screw | thread 50 can be maintained.

[Third Embodiment]
The third embodiment shows another variation of the present invention. FIG. 4 is an assembled perspective view showing a state in which the image data output apparatus 10 according to the third embodiment of the present invention is fixed.

  In the third embodiment, the image data output device 10 is arranged on the back surface of the fixed plate 33, and the display device 20, the fixed plate 33, and the image data output device 10 are fastened together by screws 50. That is, in the third embodiment, the image data output device 10 is not sandwiched between the display device 20 and the fixed plate 33, and is disposed on the back surface (the rearmost part) of the fixed plate 33. Compared with the second embodiment, the exposure degree of the image data output apparatus 10 is large.

  However, since the image data output device 10 is firmly fixed to the display device 20 and the fixing plate 33 by the four screws 50, the tampering and theft are extremely difficult as compared with the prior art. At the same time, the deterrent effect such as theft can be enhanced.

  Further, since the image data output device 10 is integrated with the fixing plate 33 by the above-described fastening, the connection cable to the display device 20 and the like are easier and more compact than the case where the image data output device 10 is installed separately. Can improve the appearance.

  As described above, according to the image data output device 10 according to the third embodiment, mischief or theft to the image data output device 10 can be suppressed and the appearance can be improved.

  In the above embodiment, the screws 50 and 52 are shown as fastening and fixing means. However, the fastening and fixing means is not limited to this, and other fastening and fixing means such as a hexagon bolt may be used as long as the fastening and fixing means is suitable. It may be used.

  Moreover, in the said embodiment, although the both end surfaces of the axial direction of the spacer 13 demonstrated as what protrudes predetermined amount from the surface 11a and the back surface 11b of the housing | casing 11, it is not limited to this, The length of the spacer 13 is set. The housing 11 may be formed and arranged so as to be flush with the front surface 11a and the back surface 11b. In this case as well, it is possible to suppress the occurrence of problems such as deformation and cracking of the housing 11 and internal components when they are fastened together.

  In the above-described embodiment, the description has been made assuming that the four through holes 12 and 35 and the four screw holes 23 are provided. As long as it can be stably fastened together, it is sufficient that at least three are provided. For example, when three through holes 12, 35 and three screw holes 23 are provided, it is preferable to arrange them in a triangular shape.

  Further, in the above embodiment, the fixing device 30 has been described as including the base 31, the support pillar 32, and the fixing plate 33. However, the fixing device 30 can be placed at a desired place while supporting the display device 20 and the image data output device 10. As long as it can be fixed, it is not limited to the illustrated example.

  In the above embodiment, the image data output device 10 according to the digital signage system has been described as being provided in a store. However, the present invention is not limited to this, and is suitable for displaying advertisements such as entertainment facilities, railways, bus stops, and the like. It can be installed anywhere.

It is an assembly perspective view which shows a mode that the image data output device which concerns on 1st Embodiment of this invention is fixed. It is a fragmentary sectional view which shows the structure of the spacer vicinity of an image data output device. It is an assembly perspective view which shows a mode that the image data output device which concerns on 2nd Embodiment of this invention is fixed. It is an assembly perspective view which shows a mode that the image data output device which concerns on 3rd Embodiment of this invention is fixed.

Explanation of symbols

10 Image Data Output Device 11a Front 11b Back (Front)
DESCRIPTION OF SYMBOLS 12 Through hole 13 Spacer 20 Display apparatus 22 Back surface 23 Screw hole 30 Fixing apparatus 33 Fixing plate 35 Through hole 40 Image display apparatus 50 Screw (fastening fixing means)
50b Shaft part 52 Screw (fastening and fixing means)
52b Shaft portion L1 Length of spacer 13 in the axial direction L2 Length of through hole 12

Claims (6)

An image data output device that outputs image data for displaying the image to the display device by connecting to a display device that displays the image,
The display device is disposed between a fixing device that fixes the display device in a predetermined place and the display device,
Or
Disposed further behind the fixing device disposed behind the display device;
An image data output device, wherein the display device and the fixing device can be fastened together by fastening means. The image data output device and the fixing device are each formed with a through-hole through which a shaft portion of a screw that is a fastening fixing means is inserted.
A screw hole that is screwed with the shaft portion of the screw is formed at a position corresponding to the through hole on the back surface of the display device,
The image data output device according to claim 1, wherein the image data output device can be fastened together with the display device and the fixing device by the screw. A cylindrical spacer through which the shaft portion of the screw is inserted is fixed to the through hole of the image data output device,
The axial length of the spacer is at least equal to or longer than the length of the through hole of the image data output device,
3. The spacer is provided so that both end faces in the axial direction of the spacer are flush with the surface of the image data output device, or protrudes a predetermined amount from the surface. The image data output device described in 1.   The image data output device according to claim 2, wherein at least three through holes are provided.   The outer diameter of the spacer is such that when the image data output device is fastened together with the screw, the spacer does not exert a stress greater than a predetermined value on the image data output device. The image data output device according to claim 3, wherein the image data output device is smaller than an inner diameter of the through hole. A display device for displaying an image;
An image data output device connected to the display device and outputting image data for displaying the image to the display device;
A fixing device for fixing the display device in place;
An image display device comprising:
The image data output device comprises:
Arranged between the display device and the fixing device;
Or
Disposed further behind the fixing device disposed behind the display device;
An image display device, wherein the display device and the fixing device can be fastened and fixed together by fastening and fixing means.

Images