JP2005173200A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display apparatus in which attachment/detachment of a display panel is facilitated and the display panel does not inadvertently fall off when it is removed. <P>SOLUTION: The display apparatus is so constituted that a display panel removing section 2c for forming a clearance 9 on the back of the display panel 5 is provided near a display panel fitting section 2a where the display panel 5 is attachably and detachably fitted by a magnet 8, and a magnetic material 10 or the magnet 8 for attracting the display panel 5 is provided on the bottom of the display panel removing section 2c. When the vicinity of the display panel removing section 2c is pressed in order to remove the display panel 5, the magnet 8 or the magnetic material 10 provided in the display panel removing section 2c attracts the display panel 5 and holds the display panel 5. Thus, the display panel 5 does not inadvertently fall off and the attachment/detachment of the display panel 5 is facilitated. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention mainly relates to a display device such as an electronic device that is used by being attached to a wall surface.

  Conventionally, many electronic devices that are mounted on a wall are provided with a display panel on the surface of the housing. The display panel includes display means such as a liquid crystal display, and names of operation buttons, operation buttons, and operation procedures. A display unit or the like for displaying is provided.

In addition, in the case of electronic devices such as controllers used for home automation (HA), it is necessary to change the names of operation buttons and operation procedures depending on the number and type of electric devices to be controlled, so that the display panel can be removed from the housing. As an attachment structure in which the display panel can be easily attached to and detached from the housing, for example, those described in Patent Documents 1 and 2 are known.
Japanese Utility Model Publication No. 57-155562 Japanese Utility Model Publication No. 61-99871.

  The brand plate mounting structure described in Patent Document 1 adsorbs a brand plate made of a magnetic material to a permanent magnet provided on the main body panel, and the brand plate with respect to the main body panel is mounted around the brand plate of the main body panel. A guide groove for positioning the plate and a finger hooking step for removing the brand plate are provided, and the brand plate can be easily attached to and detached from the main body panel.

  Moreover, the attachment structure of the surface panel described in Patent Document 2 is such that a sheet-like magnet is stuck on the back surface of the display panel so that it can be attracted by a magnetic force to a panel receiver made of a magnetic material. When the display panel is removed from the panel receiver, the lower part of the display panel is pushed with a finger so that the upper part of the display panel comes out to the front side, so that the display panel can be easily removed.

  However, in the case of providing a finger-hooking step for removing the name plate as in the structure for attaching the name plate described in Patent Document 1, the finger-holding step is exposed on the surface of the display panel, so that the appearance of the display panel is impaired. At the same time, there is a problem such as unsanitaryity because dust accumulated on the finger-holding step during long-term use adheres to the finger when the display panel is removed.

  Moreover, in the attachment structure of the surface panel described in the said patent document 2, when the lower part of a display panel is pushed with a finger | toe, since the sheet-like magnet stuck on the back surface of the display panel will leave | separate from a panel receiver, adsorption | suction power will lose | disappear. The display panel may fall, and if the sheet magnet is not thick, it is necessary to use a thick sheet magnet because the display panel cannot be removed even if the lower part of the display panel is pushed. There are problems such as.

  On the other hand, there is a method to attach the display panel to the housing in a slidable manner or a pin so that it can be pivoted. However, if the display panel is slidable, another electronic device cannot be installed side by side in the sliding direction. If the display panel is attached to the housing with a pin so that it can rotate freely, the overall depth becomes large and the electronic device cannot be made thin. There are problems such as difficulty in printing.

  The present invention has been made to remedy such a conventional problem, and provides a display panel mounting structure for an electronic device that can be easily attached and detached, and that does not fall inadvertently when the display panel is removed. It is for the purpose.

  A display device according to the present invention is a display device having a front panel provided on the front surface of a housing and a display panel detachably attached to a display panel attachment portion provided on the front panel. And a magnet provided on one side of the display panel and the display panel, a magnetic body provided on the other side of the display panel mounting part and the display panel and adsorbable to the magnet, and provided in the vicinity of the display panel mounting part on the other side. And a display panel removing portion that forms a gap on the back side of the display panel, and a magnetic body provided on the bottom surface of the display panel removing portion, or a magnet or a magnetic body that adsorbs the magnet. It is.

  With the above configuration, when the vicinity of the display panel detaching part is pressed to remove the display panel, the magnet adsorbing the display panel and the magnetic body are separated from each other, and at the same time, the magnet and magnetic substance provided in the display panel detaching part are adsorbed to each other. Since the display panel is not accidentally dropped, the display panel can be easily attached and detached, and there is no need to form a finger step around the display panel. The appearance is improved.

  In the display device of the present invention, the display panel removing portion is formed by an inclined surface or a step which is deeply inclined as the distance from the display panel mounting portion increases.

  With the above configuration, when the front panel is molded, the display panel detachable portion can be molded at the same time, so that the display panel detachable portion can be easily formed and the cost of the electronic device due to the provision of the display panel detachable portion can be prevented. .

  In the display device of the present invention, the magnet is formed by a sheet magnet, and the magnetic body is formed by a thin metal plate.

  With the above-described structure, the display panel and the housing can be thinned, so that the electronic device can be thinned. Thus, even if the electronic device is attached to the wall surface, there is little trouble.

  In the display device of the present invention, a magnet and a magnetic material are formed by sheet magnets that adsorb each other.

  With the above configuration, the mounting portion of the display panel and the housing can be made thin, so that the electronic device can be thinned. There is no worry of the display panel falling off while using the electronic device.

  According to the display device of the present invention, when the display panel is detached, the display panel does not fall carelessly. Therefore, the display panel can be easily detached, and it is necessary to form a finger step on the periphery of the display panel. Therefore, the appearance of the display panel is also improved.

  An embodiment in which the present invention is applied to a display panel of an electronic device such as a controller used in an HA system will be described in detail.

  1 is a front view of the electronic device, FIG. 2 is a front view of the electronic device with the display panel removed, FIG. 3 is a back view of the display panel, and FIG. 4 is a cross-sectional view taken along line AA in FIG. 5 is an explanatory diagram of operation.

  As shown in FIG. 4, the housing 1 of the electronic device is formed in a flat box shape having an open front surface, and can be used by being attached to a wall surface.

  A front panel 2 is attached to the housing 1, and household electrical equipment that constitutes the HA, such as an air conditioner, a lighting fixture, and a bath tub, is electrically connected to the inside of the housing 1 and the front panel 2. A control means (not shown) is mounted on the rear surface of the housing 1, and a connection terminal group 3 for connecting the household electric appliance and the control means with a cable (not shown) is attached to the rear surface of the housing 1. It has been.

  A front panel 2 attached to the housing 1 is provided with a display means 4, a display panel 5, an operation button group 6, and the like, each of which includes a liquid crystal display for displaying the operating state of each electrical device and various types of information.

  At the display panel mounting position of the front panel 2, a display panel mounting portion 2a having a recessed portion slightly larger than the display panel 5 is formed, and the home panel connected to the electronic device is connected to the bottom surface of the display panel mounting portion 2a. A plurality of, for example, four recessed portions 2b for attaching a label 7 indicating the name, model, etc. of the electrical equipment are provided in the up and down direction. A label 7 indicating a shona, a lighting fixture, a bath or the like is detachably attached.

  A display panel removing portion 2c made of an inclined surface or stepped portion that is one step lower than the bottom surface of the display panel attaching portion 2a is formed below the display panel attaching portion 2a.

  When the display panel removing portion 2c is an inclined surface, it is inclined so that the lower side is deeper than the upper side, and is formed to fill the width of the display panel attaching portion 2a. Sheet-like magnets 8 are fixed to both sides of the bottom surface of the panel mounting portion 2a by means such as adhesion.

  The sheet-like magnet 8 is formed of a thin film-like sheet, and the upper part of the sheet-like magnet 8a attached to the inclined surface of the display panel removing part 2c is substantially equal to the bottom part of the display panel attaching part 2a. The lower portion is lower than this, and a wedge-shaped gap 9 is formed between the lower surface of the display panel 5 attached to the display panel attaching portion 2a as shown in FIG.

  The sheet-like magnets 8b provided on both sides of the bottom portion of the display panel mounting portion 2a are placed in the vertically elongated mounting grooves 2d formed on the bottom surface of the display panel mounting portion 2a so as to be positioned on both sides of the concave portion 2b for mounting the label 7. It is fixed by means such as adhesion, and the upper surface is substantially flush with the bottom surface of the display panel mounting portion 2a, so that the display panel 5 fitted to the display panel mounting portion 2a is sucked.

  The display panel 5 is formed in a plate shape with resin, and a plurality of, for example, four transparent display windows 5a are formed at positions matching the recesses 2b of the display panel mounting part 2a, and are attached to the recesses 2b. The display of the label 7 can be seen from each display window 5a, and a pressing portion 5b indicating a pressing position is formed on the lower front surface of the display panel 5 by projecting a plurality of protrusions.

  The portions other than the display window 5a of the display panel 5 are made opaque by performing silk printing or the like, and the sheet-like magnetic body 10 is fixed to the back surface of the opaque portion by means such as adhesion.

  The magnetic body 10 is formed by cutting a metal thin plate such as iron into approximately the same size as the sheet-like magnets 8a and 8b fixed to the bottom surface of the display panel mounting portion 2a and the display panel removing portion. It is fixed to the back surface of the display panel 5 so as to face 8b.

  On the other hand, the front panel 2 is provided with an operation button group 6 at a position adjacent to a display window 5 a provided on the display panel 5.

  The operation button group 6 is composed of a plurality of, for example, four push buttons 6a, 6b, 6c, 6d, and numerals are displayed on the push buttons 6a to 6d, and these push buttons 6a to 6d are connected to electronic devices. You can turn on and off the power of household appliances.

  Next, the operation of the display device configured as described above will be described with reference to FIG.

  For centralized control of household electrical appliances with HA, connect household electrical appliances and electronic devices (controllers) with pre-wired cables, and when the connection is complete, place the housing 1 in a position where it can be easily operated on the wall surface. Install by appropriate means.

  A display panel 5 is attached to the front panel 2 of the housing 1, and the display window 5a of the display panel 5 is connected to the controller with a label 7 attached in advance to the recess 2b of the display panel attachment part 2a. Since the name and model of the household electric appliance can be entered, the display panel 5 is first removed from the front panel 2.

  The display panel 5 is magnetically attracted by a sheet-like magnet 8 provided on the bottom surface of the display panel mounting portion 2a. However, when the display panel 5 is removed, the pressing portion 5b provided at the lower portion of the display panel 5 is pointed. Press.

  Since the lower part of the display panel 5 is located in the display panel removing part 2c having an inclined surface that is gradually inclined deeper downward, when the lower part of the display panel 5 is pressed, as shown in FIG. 5, the display panel attaching part 2a With the boundary between the bottom surface and the inclined surface of the display panel removing portion 2c as a fulcrum, the upper side of the display panel 5 rotates to the near side, and the magnetic body 10 provided on the back surface of the display panel 5 is placed on the bottom surface of the display panel mounting portion 2a. The magnetic body 10 provided on the lower back surface of the display panel 5 is attracted to the sheet magnet 8a provided on the inclined surface of the display panel removing portion 2c at the same time as it floats from the provided sheet magnet 8b.

  As a result, even if the display panel 5 is lifted from the sheet-like magnet 8b, the display panel 5 is not inadvertently dropped.

  When the display panel 5 is in the state shown in FIG. 5 by the above operation, the display panel 5 can be easily detached from the front panel 2 by pulling the upper part of the display panel 5 forward and pulling it away from the front panel 2. Then, the label 7 in which the name and model of each electric device are entered is attached to the recess 2b of the display panel attaching portion 2a.

  When the label 7 has been attached, the display panel 5 is attached to the display panel attachment portion 2a by the reverse operation of the removal operation. The display panel 5 can be easily attached to and detached from the front panel 2. It becomes possible to easily change the name and model of the electric device displayed in the window 5a.

  In the above embodiment, the sheet-like magnet 8 is provided on the display panel mounting portion 2a side of the front panel 2 and the magnetic body is provided on the display panel 5 side.

  If the display panel 5 is formed of a magnetic material such as a metal plate or the front panel 2 is formed of a magnetic material, there is no need to attach a sheet-like magnetic body to the display panel 5 or the front panel 2.

  Further, in the above embodiment, the display panel removing portion 2c is provided at the lower portion of the display panel attaching portion 2a. However, the same effect can be obtained regardless of whether the display panel removing portion 2c is provided at the upper portion or the side portion. 2c is not limited to the inclined surface, but may be a stepped portion having a step with respect to the bottom surface of the display panel mounting portion 2a. In this case, the bottom sheet-like magnet 8b may be attached.

  The display device of the present invention does not inadvertently drop when the display panel is detached, the display panel can be easily detached, and there is no need to form a finger step around the display panel. Since it contributes to the improvement of the appearance of the display panel, it can be applied not only to an electronic device mainly used on a wall surface such as HA but also to all electronic devices having a detachable display panel.

The front view of the electronic device which employ | adopted the display apparatus which becomes embodiment of this invention The front view of the state which removed the display panel of the electronic device which employ | adopted the display apparatus which becomes embodiment of this invention The expanded back view of the display panel used for the display apparatus of the electronic device which becomes embodiment of this invention Sectional drawing which follows the AA line of FIG. Action explanatory drawing of the display apparatus of the electronic device which becomes embodiment of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Case 2 Front panel 2a Display panel attachment part 2c Display panel removal part 5 Display panel 8 Magnet 9 Gap 10 Magnetic body

Claims (4)

A display device comprising a front panel provided on a front surface of a housing and a display panel detachably attached to a display panel attachment provided on the front panel, wherein the display panel attachment and the display panel Provided on one side of the display panel, the display panel mounting portion and the other side of the display panel, and provided on the other side of the display panel mounting portion and in the vicinity of the other side display panel mounting portion. And a display panel removing portion that forms a gap on the back side of the display panel, and a magnet or magnetic body that is provided on the bottom surface of the display panel removing portion and that adsorbs the magnet or magnet provided on the display panel. A display device characterized by that. The display device according to claim 1, wherein the display panel detachment portion is formed by an inclined surface or a step which is deeply inclined as the distance from the display panel attachment portion increases. The display device according to claim 1, wherein the magnet is formed of a sheet-like magnet, and the magnetic body is formed of a thin metal plate. The display device according to claim 1, wherein the magnet and the magnetic body are formed by sheet magnets that adsorb each other.

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