JP4781397B2 - Exhibition equipment - Google Patents

Description

  The present invention relates to a panel-type display device that displays posters, calendars, various notice sheets, etc., or displays art objects, and particularly relates to a device having an illumination mechanism using LEDs. It is.

  The bulletin board is generally posted on a bulletin board formed on the wall surface, and the bulletin board is installed in consideration of the position of the room lighting so that the bulletin board is easy to see. In particular, when an exhibit is a painting such as an art museum, as shown in Patent Document 1 (Japanese Patent Laid-Open No. 2001-299517), an illumination mechanism capable of adjusting the position of the display panel with an arm is provided. It is attached.

Further, as an illuminating device using LEDs, and particularly using electromagnetic induction, Patent Document 2 (Japanese Patent Application Laid-Open No. 2000-177300) discloses that a sheet provided with a primary coil carrying a high-frequency current is There is disclosed a shining decoration that mounts a decoration including an LED connected to a secondary coil and a secondary coil and lights the LED with an induced electromotive force of the secondary coil.

Patent Document 3 (Japanese Patent Laid-Open No. 2005-72366) discloses a flexible sheet in which a magnet for magnetic attraction is arranged on the back surface and a primary coil is stretched around the outer periphery, and a U-shape so as to straddle the primary coil. An electrical decoration device is disclosed that includes a secondary coil wound around a magnetic body and an electrical decoration member having an LED on its upper surface.

JP 2001-299517 A. JP 2000-177300 A. JP-A-2005-72366.

  By the way, when performing individual illumination on general postings such as posters, it can be said that the exhibition apparatus provided with the illumination mechanism of the arm structure described above is excessive quality and is not necessarily easy to use. .

In the exhibition of works of art, general lighting (fluorescent lamps and incandescent lamps) contains ultraviolet rays, and the works of art deteriorate due to the lighting.

Moreover, the illumination which employ | adopted LED is mainly employ | adopted as an electrical decoration, and cannot be employ | adopted as it is for the illumination of an exhibit. In particular, as disclosed in Patent Document 2, when the secondary coil is arranged in parallel to the linear electric wire corresponding to the primary coil, the number of magnetic flux linkages to the secondary coil does not increase. It is difficult to obtain the drive power of

Therefore, the present invention proposes a novel display device with LED lighting that is used for posting posters and other items and for displaying artworks.

An exhibition apparatus according to the present invention (Claim 1) is an exhibition apparatus that is placed on a wall surface or the like and displays a posting or a hanging display of an exhibition, and includes a panel body and a plurality of panels attached to the surface of the panel body. It is composed of a lighting body, and the panel body is made of a non-conductive material on each back surface at a position corresponding to the standard size of the display or display in an appropriately sized panel portion made of a non-magnetic and non-conductive material. And a power supply unit configured to supply a high-frequency power to the primary coil of the power supply unit while providing a power supply unit composed of a primary coil composed of a winding surrounding the permanent magnet at the outer peripheral position of the permanent magnet The illuminating body is formed in a tower shape having an appropriate height, and a permanent magnet for magnetic attraction formed of a non-conductive material on the bottom surface inside the tower-shaped body, and the permanent magnet A permanent magnet is enclosed at the outer periphery. The power receiving portion provided constituted by a secondary coil consisting of that winding, incorporating said LED connected with the secondary coil of the power receiving portion, it is exposed as a light emitting portion for irradiating the panel surface to the upper peripheral surface of the column-like body It is a thing.

Thus, the panel unit is installed on a desired wall surface, or is appropriately self-supported, energized from the power supply unit to the power supply unit, the poster to be posted is attached to the surface of the panel unit, and the lighting body is aligned with the position of the power supply unit When magnetically adsorbed while holding a posting, an induced electromotive force is generated in the secondary coil. In the case of a posting such as a poster, the posting is firmly held, and the posting such as a poster is irradiated. This facilitates visual recognition of the image.

In addition, when an art object (exhibit) such as a painting is hung on the panel part, and the illuminating body is adsorbed to the power supply part located in the surrounding area, the LED is turned on, and the illumination of the exhibit is performed with light rays that do not contain ultraviolet rays Is made.

In particular, since the power feeding unit and the illuminating body are provided with magnets, the winding centers of the primary coil and the secondary coil coincide with each other, so that electromagnetic induction is efficiently performed and sufficient power supply is provided for illumination. Is to be made.

In addition, the exhibition device is configured such that the power feeding unit is provided at a position corresponding to the standard size of the display or the exhibition, and posters and the like comply with general regulations (JIS standards such as A and B versions). If the power feeding part is provided at the four corners when the poster corresponding to the standard is posted, the power feeding part can be efficiently incorporated. In particular , the main body of the lighting body has an appropriate height. The light-emitting part is exposed on the upper peripheral surface of the tower-shaped main body, and even if the LED is lit at a position away from the surface of the bulletin board, the lighting effect is further enhanced. is there,

Furthermore, the present invention (Claim 2) is provided in particular such that two LEDs in the illuminator are connected in reverse parallel, and the light emitting portions of each other are provided within about 90 degrees on the circumferential surface of the tower-shaped main body. The AC electromotive force excited by the secondary coil can be used effectively, and effective illumination can be achieved by arranging the illuminating body at the four corners of the display or at the outer peripheral four corners of the exhibit.

The configuration of the present invention is as described above. A poster or the like is posted on the panel unit with an illuminating body, and at the same time, illumination of the posted item is realized by supplying power to the power feeding unit, and the poster is mounted on the panel unit for display. Even for the exhibits, illumination with light rays that do not contain ultraviolet rays is realized, and in particular, the primary coil of the power feeding unit and the secondary coil of the illuminating body are arranged on the same axis, and efficient electromagnetic induction is performed, LEDs can be used to illuminate the display and exhibits.

  Next, an embodiment of the present invention will be described. The display apparatus shown in the embodiment includes a panel body 1 and a plurality of lighting bodies 2, and the panel body 1 includes a panel unit 11, a power feeding unit 12 provided on the back surface of the panel unit 11, and a power feeding unit 12. It is comprised from the power supply part 13 which supplies electric power to.

The panel portion 11 is a suitably sized plate body made of a nonmagnetic and nonconductive material such as a resin plate, and is provided with a wall surface mounting portion 111 and other self-supporting mechanisms.

The power feeding unit 12 is provided with a permanent magnet 122 made of a non-conductive material and a primary coil 123 including a winding surrounding the permanent magnet 122 at an outer peripheral position of the permanent magnet 122 in an appropriate case body 121. Thus, the power feeding unit 12 is always provided at least at the four corners in accordance with the standard of the posting A to be described later on the back surface of the panel unit 11, and is not limited to the outer peripheral back surface of the panel unit 11, Are arranged at several locations corresponding to the brightness of the LED, on the inner side corresponding to the above, and on the outer peripheral intermediate part and the inner intermediate part.

The primary coil 123 of the power feeding unit 12 is connected in series or in parallel so that high frequency power from the power supply unit 13 is supplied.

The power supply unit 13 includes an oscillation circuit connected to a commercial power supply (stepping down to the LED drive voltage) and a DC power supply, and supplies high-frequency power.

The illuminating body 2 includes a tower-shaped main body 21, a power receiving unit 22, and an LED 23. The tower-shaped main body 21 has an appropriate height so that the LED 23 for illumination is positioned away from the surface of the panel unit 11. The power receiving unit 22 corresponding to the power feeding unit 12 is provided on the bottom surface side in the tower-shaped main body 21.

The power receiving unit 22 includes a permanent magnet 221 formed of a non-conductive material and a secondary coil 222 including windings surrounding the permanent magnet 221 at an outer peripheral position of the permanent magnet 221. Further, two LEDs 23 are connected in reverse parallel to the secondary coil 222 of the power receiving unit 22 so that each light emitting unit is exposed so as to be within about 90 degrees on the upper peripheral surface of the tower-shaped main body 21 and incorporated. Is.

Thus, the panel portion 11 in the panel body 1 is installed on a desired wall surface or is appropriately self-supporting, and realizes illumination by the LED 23 on the surface of the panel portion 11.

That is, when high-frequency power is supplied from the power supply unit 13 to the primary coil 123 of the power feeding unit 12 and the illuminating body 2 is magnetically attracted to the surface of the panel unit 11 at a location facing the power feeding unit 12, the secondary coil 222 of the power receiving unit 22 is obtained. A predetermined electromotive force is generated by electromagnetic induction, and the LED 23 is lit.

Therefore, in the case of the posting A such as a poster, the posting A such as a poster is irradiated at the same time as the posting A is held by the illumination body 2.

Further, in the case of art works (exhibits) such as paintings, the illumination body 2 cannot be held, so that the exhibits are hung on the panel portion 11 and placed at locations corresponding to the power feeding portions 12 located in the surrounding portions. The illuminating body 2 is adsorbed and the LED is turned on to illuminate the exhibit.

  In the above embodiment, the power feeding unit 12 is provided at a predetermined position (four corners or a paper standard compliant position). However, a large number of power feeding units 12 may be provided side by side on the entire back surface of the panel unit 11. In this case, the illuminating body 2 can be adsorbed and fixed at an arbitrary position on the surface of the panel unit 11, and there is an advantage that the display position of the exhibit is not limited.

Explanatory drawing (partial back perspective view) of the panel body of embodiment of this invention. Explanatory drawing of the illumination body (partially cut perspective view). Explanatory drawing (front view) of the use state. The principal part sectional drawing.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Panel body 11 Panel part 111 Wall surface mounting part 12 Electric power feeding part 121 Case body 122 Permanent magnet 123 Primary coil 13 Power supply part 2 Illumination body 21 Tower-shaped main body 22 Power receiving part 221 Permanent magnet 222 Secondary coil 23 LED

Claims (2)

A display device that is placed on a wall or the like and displays postings or hangs down exhibits, and is composed of a panel body and a plurality of lighting bodies attached to the surface of the panel body. A permanent magnet for magnetic attraction formed of a non-conductive material on each back surface at a position corresponding to a standard size of a display or display on an appropriately sized panel portion formed of a non-conductive material, and the permanent magnet A power supply unit composed of a primary coil comprising a winding surrounding the permanent magnet is provided at the outer peripheral position, and a power supply unit for supplying high-frequency power to the primary coil of the power supply unit is attached, and the illuminating body has an appropriate height. And a permanent magnet for magnetic attraction formed of a non-conductive material on the bottom side of the tower-shaped body, and a winding surrounding the permanent magnet at the outer peripheral position of the permanent magnet. Consists of the next coil The provided conductive portion, wherein the LED connected with the secondary coil of the power receiving unit, display device, characterized in that it incorporates is exposed as a light emitting portion for irradiating the panel surface to the upper peripheral surface of the tower-like main body. The display device according to claim 1, wherein two LEDs in the illuminating body are connected so as to form an antiparallel circuit, and the light emitting portions are provided so as to be within about 90 degrees on the peripheral surface of the tower-shaped main body.

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