JP2000027332A - Shielding panel structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shielding panel structure forming a shielding space in a building and having bath high sound insulation function and electromagnetic wave shielding function especially to shield audible sound and electromagnetic wave. SOLUTION: In a shielding panel structure to arrange a shielding panel 21 between support members 26 arranged with a specified distance, the shielding panel 21 is formed of sound insulation member 39, 41 and first and second conductive plate members 27, 29 connected to both faces of the sound insulation members 39, 41 and insulated from each other. The support member is formed of a conductive support body 23 with which the first conductive plate member 27 of the shielding panel 21 is brought into contact and a conductive and protective plate member 25 with which the second conductive plate member 29 side of the shielding panel 21 is brought into contact. The support body 23 and the protective plate member 25 are mutually fixed in an insulated condition.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a shielding panel structure for forming a shielding space in a building or the like, and more particularly to a shielding panel structure for shielding audible sound and electromagnetic waves.

[0002]

2. Description of the Related Art Conventionally, when a shielding space such as a studio, an event hall or a conference room is formed in a building, a shielding panel is generally arranged between support members arranged at predetermined intervals. In this case, the shielding panel and the support member are often designed in consideration of only the sound insulation.

In recent years, problems caused by leakage of electromagnetic waves into and out of a shielded space due to interference of wireless microphones, mixing of noise, occurrence of ringtones of mobile phones, leakage of information, and the like have become apparent. In order to solve such a problem, a metal foil or a nonwoven fabric mixed with metal is stuck on the sound insulation layer of the shield panel, and the shield panel is arranged between the support members to form a shield space. Shielding panel structures have been developed.

[0004]

However, in such a shielding panel structure, the thickness of the metal foil or the non-woven fabric as the electromagnetic shielding layer is small, and the leakage of the electromagnetic wave at the connection portion between the shielding panel and the support member. There has been a problem that a desired electromagnetic shielding performance cannot be obtained because little has been studied.

Further, for example, during an earthquake, there is a possibility that the attached metal foil or the like may be broken, and there is a problem that reliability is low. The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a shielding panel structure having both high sound insulation performance and electromagnetic shielding performance.

[0006]

According to a first aspect of the present invention, there is provided a shield panel structure for arranging a shield panel between support members arranged at a predetermined interval. And a first and a second conductive plate member joined to both surfaces of the sound insulation plate member and insulated from each other, and the support member is formed of the first conductive plate of the shielding panel. The support body is formed by a conductive support body that abuts the member side and a conductive press plate member that abuts the second conductive plate member side of the shielding panel, and the support body and the press plate member are mutually connected. And fixed in an insulated state.

According to a second aspect of the present invention, there is provided the shield panel structure according to the first aspect, wherein the first and second conductive plate members are provided near the outer edges of the first and second conductive plate members in mutually opposing directions. A collar portion is formed, and an insulating elastic member is sandwiched between the first and second collar portions. According to a third aspect of the present invention, there is provided a shielding panel structure.
In the shielding panel structure described above, an elastic member projecting toward the opposite side to the second flange portion is disposed on the first flange portion of the first conductive plate member, and the support member main body is provided with the elastic member. It is characterized in that a projection for contacting the elastic member is formed.

According to a fourth aspect of the present invention, there is provided the shielding panel structure according to any one of the first to third aspects, wherein the supporting column main body is provided on the first conductive plate member side of the supporting column main body. A groove is formed along the longitudinal direction, and a conductive elastic member is arranged in the groove.

(Function) In the shielding panel structure of the first aspect,
The first conductive plate member and the support body, and the second conductive plate member and the pressing plate member form an electromagnetic shielding layer composed of two layers, thereby reliably preventing leakage of electromagnetic waves.

At the same time, the sound insulating plate member of the shielding panel
Leakage of audible sound is reliably prevented. In the shield panel structure according to claim 2, between the first and second flanges formed on the outer edges of the first and second conductive plate members of the shield panel,
An insulating elastic member is sandwiched to prevent the audible sound from leaking at the outer edges of the first and second conductive plate members of the shielding panel while maintaining the insulating properties of the first and second conductive plate members. You.

In addition, since the first and second flanges are formed close to each other, the outer edge of the shielding panel is thinned, so that there is no unevenness between the shielding panel, the support body and the pressing plate member. Thus, a shield panel structure having a flat surface can be constructed. In the shield panel structure according to the third aspect, the elastic member disposed on the first flange of the first conductive plate member and the protrusion formed on the column main body and abutting against the elastic member allow the elastic member to be formed inside the column member. Leakage of audible sound is prevented.

In the shield panel structure according to the fourth aspect, the first conductive plate member and the support body are brought into contact with each other via the conductive elastic member disposed in the concave groove of the support body, and the first conductive member is provided. The member and the pillar main body are more reliably conducted, and an electromagnetic shielding layer having high shielding performance is formed.

[0013]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIGS. 1 to 3 show a first embodiment (corresponding to claims 1 to 4) of a shielding panel structure of the present invention. This embodiment shows a structure for connecting shielding panels 21 arranged in parallel to each other via a column member 26 composed of a column main body 23 and a pressing plate 25.

[0015] First and second electromagnetic shielding plates 27 and 29, which are forms of the first and second conductive plate members, are adhered to both surfaces of the shielding panel 21. The first and second electromagnetic shielding plates 27 and 29 are formed of, for example, a 1.6 mm-thick steel plate subjected to a galvanizing process. Outer edges of the first and second electromagnetic shielding plates 27 and 29 are provided on first and second flange portions 2 which are close to each other in the facing direction.
7a and 29a are formed.

The first and second flanges 27a, 27
9a, the outer edge of the shielding panel 21 is thinned. An auxiliary steel plate 3 having an L-shaped cross section is provided on the first flange 27a.
1 and the auxiliary steel plate 31 and the first flange 27a
Thus, the U-shaped opening 3 opening toward the support body 23 is formed.
3 are formed.

The U-shaped opening 33 is provided with a soundproof packing 35 made of, for example, urethane rubber and having a cylindrical cross section.
Is glued. First and second collar portions 27a, 2
An anti-vibration rubber plate 37 made of, for example, an insulating rubber member is sandwiched between 9a. A gypsum board 39 is provided inside the first electromagnetic shielding plate 27 of the shielding panel 21.
The veneer plate 41 is adhered inside the second electromagnetic shielding plate 29.

The space between the gypsum boat 39 and the veneer board 41 is filled with glass wool 43, and the gypsum boat 39, the veneer board 41 and the glass wool 43 form a sound insulating plate member. On the other hand, the column main body 23 has a long shape, and support portions 23b for supporting the shielding panel 21 are formed on both sides of the central portion 23a in the cross-sectional direction.

The column main body 23 is formed by, for example, extruding an aluminum alloy. In the support portion 23b of the support body 23, two concave grooves 23c are formed along the longitudinal direction at positions where the first electromagnetic shielding plate 27 abuts. Zinc is sprayed on the concave groove 23c in order to ensure conduction with the first electromagnetic shielding plate 27.

A conductive elastic member 45 formed by, for example, winding a stainless steel mesh material around a foamed rubber material is attached to the concave groove 23c. The support portion 23b of the column main body 23 is formed with a protrusion 23f that comes into contact with the soundproof packing 35.

On the back surface of the central portion 23a of the support body 23,
A fitting groove 23d is formed along the longitudinal direction. A reinforcing member 47 having a rectangular cross section is fitted into the fitting groove 23d. The reinforcing member 47 is formed by, for example, extruding an aluminum alloy. On the opposite side of the fitting groove 23d of the support body 23, a fixing groove 23 is formed along the longitudinal direction.
e is formed.

A sheet member 49 made of, for example, an insulating resin is attached to the fixing groove 23e and the periphery thereof. In the fixing groove 23e, for example, a long fixing member 53 in which the bolt member 51 is fixed at a predetermined interval from a steel plate subjected to a galvanizing treatment is inserted. Further, the holding plate 25 is a second flange portion 2 of the second electromagnetic shielding plate 29.
9a.

The holding plate 25 is made of, for example, a long steel plate having a thickness of 3.2 mm and subjected to a galvanizing process, and is formed by folding both ends in the cross-sectional direction. The holding plate 25 has a bolt hole 25 a through which the bolt member 51 of the fixing member 53 is inserted. The nut member 55 is fixed to the bolt member 51 inserted into the bolt hole 25a, and the holding plate 25 and the support body 23 are
The shielding panel 21 is fixed while sandwiching the outer edge thereof.

In the above-described shield panel structure, first, the fixing member 53 is inserted into the fixing groove 23e of the column main body 23, and the auxiliary member 47 is fitted into the fitting groove 23d. Next, the shielding panel 21 is disposed with the first electromagnetic shielding plate 27 side in contact with the support portion 23b of the column main body 23, and the column main body 23 and the first
Is electrically connected to the electromagnetic shielding plate 27 via the conductive elastic member 45.

The soundproof packing 35 of the shielding panel 21
Is brought into contact with the projection 23f of the column body 23. After that, the pressing plate 25 is arranged from the second electromagnetic shielding plate 29 side of the shielding panel 21 toward the column main body 23, and the pressing plate 25 and the column main body 23 are fixed by the nut member 55.

By this fixing, the shielding panel 21 is sandwiched between the column main body 23 and the pressing plate 25 in a pressed state. Further, by the sheet member 49 attached to the fixing groove 23e,
The insulating state between the holding plate 25 and the column main body 23 is maintained. Then, the first electromagnetic shielding plate 27 and the column main body 23
Then, an electromagnetic shielding layer composed of two layers of the second electromagnetic shielding plate 29 and the pressing plate 25 is formed.

Here, the second electromagnetic shielding plate 29 side of the shielding panel 21 is designed on the assumption that it is disposed inside the shielding space. In this embodiment, the shielding panel 21
Of the shield panel 21 and the step between the second electromagnetic shield plate 29 and the pressing plate 25 are prevented, so that a shield panel structure in which the inside of the shield space, that is, the indoor side is flat is formed. Be built.

In the shield panel structure configured as described above, the first and second electromagnetic shield plates 27 and 29, which are insulated from each other, are joined to both surfaces of the shield panel 21 to form the shield panel 21. Since the shield panel 21 is sandwiched between the conductive support body 23 and the conductive pressing plate 25 that are insulated from each other, the first electromagnetic shield plate 27 and the support body 2
3 and the second electromagnetic shielding plate 29 and the holding plate 25
An electromagnetic shielding layer composed of a layer can be formed, and leakage of electromagnetic waves can be reliably prevented.

Also, the first and second electromagnetic shielding plates 27,
Since the gypsum board 39 and the plywood board 41 are arranged between the plaster boards 29 and the glass wool 43 is filled between the gypsum board 39 and the plywood board 41, the leakage of the audible sound can be surely prevented.

Therefore, it is possible to construct a shielding panel structure having both high sound insulation performance and electromagnetic shielding performance. Then, the first and second electromagnetic shielding plates 2 of the shielding panel 21
First and second flanges 2 formed on the outer edges of 7, 29
Since the insulating vibration-isolating rubber plate 37 is sandwiched between the first and second electromagnetic shielding plates 27 and 29, the first and second electromagnetic shielding plates 27 and 29 maintain the insulating properties. Leakage of audible sound at the flanges 27a, 29a can be reliably prevented.

The first and second flange portions 27a, 27
9a are formed close to each other, and the outer edge of the shielding panel 21 is thinned, so that it is possible to prevent a step from being generated between the shielding panel 21, the column main body 23 and the holding plate 25, and the surface is reduced. A flat-shaped shielding panel structure can be constructed. Further, the soundproof packing 35 is disposed on the first flange portion 27a of the first electromagnetic shielding plate 27, and the projecting portion 23f that comes into contact with the soundproof packing 35 is formed on the support body 23. Leakage of hearing sound can be reliably prevented.

Since the first electromagnetic shielding plate 27 abuts on the column main body 23 via the conductive elastic member 45 disposed in the concave groove 23c of the column main body 23, the first electromagnetic shielding plate 27 is formed. And the column main body 23 can be conducted more reliably, and an electromagnetic shielding layer having high shielding performance can be formed. FIG. 4 shows a second embodiment (corresponding to claims 1 to 4) of a shield panel structure of the present invention.

In this embodiment, a structure in which two shielding panels 21 arranged in a right angle direction are connected is shown, and only the shapes of the column main body and the holding plate are different from those of the first embodiment. I have. The support main body 23 has a central portion 23a.
And a support portion 23b projecting from the central portion 23a to both sides at right angles to each other and supporting the shielding panel 21.

The first electromagnetic shielding plate 27 is provided on the support portion 23b.
The first flange portion 27a is disposed. As in the first embodiment, a fixed groove 23e is formed in the central portion 23a, and a concave groove 23c and a protrusion 23f are formed in the support portion 23b.
Are formed. A fitting groove 23d is formed on the center part 23a side of each support part 23b of the column main body 23.

The holding plate 25 has a fixing portion 25b having a U-shaped cross section in which a screw hole 25a is formed, and a contact portion 25c projecting from the open end of the fixing portion 25b toward the second flange portion 29a. Is formed. In the shield panel structure of this embodiment, the same effect as that of the first embodiment can be obtained. However, in this embodiment, the support portions 23b projecting in the direction perpendicular to each other are formed on the support body 23, and the holding members 23b are formed. Since the plate 25 is formed in a shape corresponding to the column main body 23, it is possible to reliably prevent audible sound leakage and electromagnetic wave leakage at the connection between the two shielding panels 21 arranged at right angles.

FIGS. 5 and 6 show a third embodiment (corresponding to claims 1 to 4) of a shielding panel structure of the present invention. In this embodiment, a structure in which three shielding panels 21 arranged at right angles to each other are connected is shown. Only the shapes of the column main body 61 and the holding plate 63 are different from those of the first and second embodiments. Is different.

The column main body 61 is a first short part 61a obtained by cutting the column main body 23 of the second embodiment along a cross section.
And second short parts 61b, 61b cut at an angle of 45 degrees with respect to the cross section. That is, second short parts 61b, 61b each having a 45 ° cut surface welded to one end of the first short part 61a are welded to each other to form a column main body 61 projecting in three directions perpendicular to each other. ing.

The pressing plate 63 has projections 63 projecting in three directions perpendicular to each other in accordance with the shape of the column main body 61.
a is integrally formed. Each protruding portion 63a has the same cross-sectional shape as the cross-sectional shape of the pressing plate 25 of the above-described second embodiment. Further, a bolt hole 63b is formed in each protruding portion 63a.

Although the same effects as those of the first and second embodiments can be obtained in the shield panel structure of this embodiment, in this embodiment, the short components 61a and 61 are used.
b and 61b are projected in three directions perpendicular to each other to form a support body 61, and a holding plate 63 having a shape corresponding to the support body is formed, so that three shielding panels arranged at right angles to each other Leakage of audible sound and leakage of electromagnetic waves at the connection portion 21 can be reliably prevented.

In the first embodiment described above, the example in which the sheet member 49 made of an insulating resin is adhered to the fixing groove 23e of the column main body 23 to insulate the column main body 23 from the fixing member 53 has been described. However, the present invention is not limited to such an embodiment. For example, the surroundings of the fixing member 53 to which the bolt member 51 is fixed are covered with a heat-shrinkable insulating resin, and the strut body 23 and the fixing member 53 are May be insulated.

In the above-described second embodiment, an example has been described in which the support portions 23b of the column main body 23 protrude at right angles to each other, and the shielding panels 21 arranged at right angles to each other are connected. The present invention is not limited to this embodiment. For example, the protruding angle of the support portion 23b of the column body 23 may be set to 120 degrees, and the shield panel 21 may be connected at an angle of 120 degrees.

[0042]

According to the first aspect of the present invention, the first and second conductive plate members which are insulated from each other are joined to both sides of the sound insulating plate member to form a shield panel. Since it is sandwiched between the conductive support member and the conductive pressing plate that are insulated from each other, the two layers of the first conductive plate member and the support main body and the second conductive plate member and the support plate member are used. An electromagnetic shielding layer can be formed, and leakage of electromagnetic waves can be reliably prevented.

Further, since the sound insulating plate member is disposed between the first and second conductive plate members, it is possible to reliably prevent the audible sound from leaking. Therefore, it is possible to construct a shielding panel structure having both high sound insulation performance and electromagnetic shielding performance. In the shield panel structure according to the second aspect, the insulating elastic member is sandwiched between the first and second flange portions formed on the outer edges of the first and second conductive plate members of the shield panel. Leakage of audible sound at the first and second flanges of the shielding panel can be reliably prevented while maintaining the insulating properties of the first and second conductive plate members.

Also, the first and second flanges are formed close to each other, and the outer edge of the shielding panel is thinned.
It is possible to construct a shield panel structure having a flat surface without generating irregularities on the shield panel, the pillar main body, and the pressing plate member. In the shield panel structure of claim 3,
An elastic member is arranged on the first flange portion of the first conductive plate member, and a protrusion that contacts the elastic member is formed on the support body, so that audible sound leakage in the support member is reliably prevented. can do.

In the shield panel structure according to the fourth aspect, the first conductive plate member abuts on the support column main body via the conductive elastic member disposed in the concave groove of the support main body. Conductive member and the pillar body can be more reliably conducted,
An electromagnetic shielding layer having high shielding performance can be formed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a shield panel structure of the present invention.

FIG. 2 is a sectional view of FIG.

FIG. 3 is a perspective view showing a shielding panel.

FIG. 4 is a perspective view showing a second embodiment of the shield panel structure of the present invention.

FIG. 5 is a perspective view showing a third embodiment of the shield panel structure of the present invention.

FIG. 6 is a perspective view showing an assembled state of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 21 Shielding panel 23, 61 Prop main body 23c Depressed groove 23f Protrusion 25, 63 Press plate (press plate member) 26 Post member 27 First electromagnetic shield plate (first conductive plate member) 27a First flange portion 29 Second electromagnetic shielding plate (second conductive plate member) 29a Second flange 35 Soundproof packing (elastic member) 37 Vibration-proof rubber plate (insulating elastic member) 39 Gypsum board (sound insulating plate member) 41 Veneer plate ( Sound insulation board member) 43 Glass wool (sound insulation board member) 45 Conductive elastic member

Continuation of the front page (72) Inventor Kenji Kageyama 1-5-1, Otsuka, Inzai City, Chiba Prefecture Inside the Technical Research Institute, Takenaka Corporation (72) Inventor Takashi Koiwa 1-18-18 Nishiki, Naka-ku, Nagoya City, Aichi Prefecture Nagoya Branch of Takenaka Corporation (72) Inventor Yoshinobu Kamei 8-21-1, Ginza, Chuo-ku, Tokyo Inside Tokyo Head Office of Takenaka Corporation (72) Inventor Yoshitaka Wakinaka Chuo-ku, Osaka-shi, Osaka 4-1-1, Honcho F-term (reference) in Takenaka Corporation Osaka Main Store 2E001 AA04 AA06 AB02 AB03 AB04 AB07 AE02 AE03 AF04 BA04

Claims (4)

[Claims] 1. A shielding panel structure for arranging a shielding panel between support members arranged at predetermined intervals, wherein the shielding panel is joined to both sides of a sound insulating plate member and the sound insulating plate member, The first and second conductive plate members are insulated from each other, and the support member is
A conductive support body that abuts the first conductive plate member side of the shield panel and a conductive pressing plate member that abuts the second conductive plate member side of the shield panel, A shielding panel structure, wherein the column body and the pressing plate member are fixed to each other in an insulated state. 2. The shielding panel structure according to claim 1, wherein first and second flanges which are close to each other in opposing directions are formed on outer edges of the first and second conductive plate members, A shielding panel structure comprising an insulating elastic member sandwiched between the first and second flanges. 3. The shielding panel structure according to claim 2, wherein an elastic member protruding toward the side opposite to the second flange is disposed on the first flange of the first conductive plate member. And a projecting portion for contacting the elastic member with the support body is formed. 4. The shield panel structure according to claim 1, wherein the support body has a concave portion on a side of the first conductive plate member along a longitudinal direction of the support body. A shielding panel structure, wherein a groove is formed and a conductive elastic member is disposed in the groove.