JP4419902B2 - Acoustic diffusion panel device - Google Patents

Description

  The present invention relates to an acoustic diffusion panel device that adjusts a sound environment in a room such as a living room or a multipurpose hall.

  Conventionally, in order to improve a sound environment such as reverberation or resonance in a room such as a living room or a multipurpose hall, sound may be diffused using an acoustic panel. Since these sound environments depend on the position and type of the sound source and the arrangement of furniture and equipment installed in the room, it is necessary to finely adjust the shape and mounting position of the acoustic panel according to the respective indoor space and purpose of use. is there.

On the other hand, Japanese Utility Model Laid-Open No. 7-41596 discloses an acoustic reflector apparatus in which two acoustic reflectors are connected so as to be rotatable in the vertical direction. In this acoustic reflector device, the acoustic adjustment in the vertical direction can be effectively performed. However, in the acoustic adjustment in the horizontal direction, the acoustic reflector device itself must be moved, and there is room for improvement.
Japanese Utility Model Publication No. 7-41596

  This invention is invented in view of the said background art, The subject is providing the acoustic diffusion panel apparatus which can adjust the sound environment of a horizontal direction easily.

In order to solve the above-mentioned problems, the present invention provides an acoustic diffusion panel device comprising two supporting legs erected at regular intervals and two acoustic panels supported by the respective supporting legs. Opposite side end surfaces of the two acoustic panels are connected to each other via a hinge part so as to be rotatable in the horizontal direction, and each acoustic panel is engaged and supported by a support leg via a slide mechanism that slides in the horizontal direction. In addition, the sound diffusion panel device is characterized in that each support leg is provided with a rotating mechanism for rotating the acoustic panel in the horizontal direction.

  In the acoustic diffusion panel device of the present invention, since the two acoustic panels are pivotably connected in the horizontal direction, the acoustic panel is opened and closed like a folding screen to finely adjust the sound absorption and reflection directions. Since the acoustic panel is supported by the support legs via the slide mechanism and the rotation mechanism, it can be opened and closed smoothly.

  FIGS. 1-7 has shown the acoustic diffusing panel apparatus which is one Embodiment corresponding to all Claims 1-3 of this application. As shown in FIGS. 1 and 2, the acoustic diffusion panel device according to this embodiment includes two supporting legs 1 erected at regular intervals, and two acoustic panels 2 supported by the supporting legs 1. The acoustic diffusion panel device comprises two acoustic panels 2 connected to each other at their side edges 3 so as to be rotatable in the horizontal direction, and through the slide mechanism 4 in which each acoustic panel 2 slides in the horizontal direction. A rotation mechanism 5 that is engaged and supported by the support legs 1 and rotates the acoustic panel 2 in the horizontal direction is provided on each support leg 1.

  In addition, a working surface 6 that reflects and absorbs sound is formed on the front surface of the acoustic panel 2, and the acoustic panel 2 is supported by the support legs 1 on the back surface 7.

  In the acoustic diffusion panel device of this embodiment, as shown in FIGS. 1, 5 and 6, the acoustic panel 2 includes a back plate 8 made of an insulation board, and a back plate 8 in front of the back plate 8. A front decorative board 9 that is substantially the same width as the oppositely provided back board 8 and is convexly curved forward, a vertical frame 10 that engages with the side edge portions of both the back board 8 and the front decorative board 9, and the back board 8 And a top plate 11 and a bottom plate 12 that engage with the upper and lower ends of the front decorative plate 9, respectively, and the front decorative plate 9 is provided with a communication portion 13 that communicates with the inside of the acoustic panel 2. The sound adjustment plate 14 made of an insulation board is sandwiched between the back plate 8 and the side end portion of the front decorative plate 9 and is provided along the back plate 8, and the back plate 8 side becomes the back surface 7. Yes.

  Hereinafter, the acoustic diffusion panel device of this embodiment will be described in more detail. As shown in FIGS. 1 and 2, the acoustic diffusion panel device of this embodiment includes two support legs 1, two acoustic panels 2, and a support plate 15. The two support legs 1 are erected at a predetermined interval from the support plate 15, and the acoustic panel 2 is supported on each support leg 1. In addition, each acoustic panel 2 is connected at its opposite side ends 3 via hinges 17 so as to be rotatable in the horizontal direction.

  A slide rail 4b having a substantially U-shaped cross section is provided in the horizontal direction at the approximate center of the back surface 7 of each acoustic panel 2, and a slide piece having a substantially U-shaped cross section is provided above the support leg 1. 4a is provided via a rotating mechanism 5 that is rotatable in the horizontal direction. The slide piece 4a and the slide rail 4b are engaged with each other so that their openings face each other, whereby the acoustic panel 2 and the support leg 1 are slidable in the horizontal direction. Therefore, in this embodiment, the slide mechanism 4 and the rotation mechanism 5 are provided integrally.

By having the above configuration, the acoustic diffuser panel device, as shown in FIG. 6, the state in which the hinge portion 17 facing the two front acoustic panel 2 is projected toward the rear (FIG. 7 (a)), A state (FIG. 7B) that is substantially in a straight line and a state in which the hinge portion protrudes forward (FIG. 7C) can be taken. In the slide mechanism 4 shown in FIG. 7B, the slide piece 4a is engaged on the innermost side of the slide rail 4b, that is, on the hinge portion 17 side, and does not slide any further. It has become.

  The acoustic panel 2 includes a back plate 8 made of an insulation board, and a back plate 8 provided in front of the back plate 8 and facing the back plate 8 as shown in FIGS. A front decorative plate 9 that is convexly curved forward and substantially the same width, a vertical picture frame 10 that engages the side end portions of both the back plate 8 and the front decorative plate 9, the upper end of the back plate 8 and the front decorative plate 9, and The top plate 11 and the bottom plate 12 are respectively engaged with the lower ends. Although not shown in FIG. 1, the front decorative plate 9 is provided with a communication portion 13 that communicates with the inside of the acoustic panel 2, and a sound adjustment plate 14 made of an insulation board is provided inside the acoustic panel 2. It is sandwiched between the back plate 8 and the side end portion of the front decorative plate 9 and is provided along the back plate 8. Further, a horizontal beam 19, which is a substantially D-shaped plate having a curved front surface, which is in contact with the front decorative plate 9 at the front end surface and in contact with the back plate 8 at the rear end surface, is interposed between the top plate 11 and the bottom plate 12. Provided.

  Further, the front decorative plate 9 is composed of a plurality of strip-shaped front plates 13a arranged side by side in the horizontal direction, and the communication portion 13 is a gap portion between the strips. A belt-like rear plate 13b is provided behind the gap between the front plates 13a. Further, the front portion of the cross rail 19 is formed in a comb-like shape, and a front plate 13a is provided at the front end of the convex portion of the comb-like portion, and a rear plate 13b is provided at the rear end 11 of the concave portion.

  As for the material of the acoustic panel 2, the front plate 13a and the rear plate 13b are made of mulberry Chinese material considering that the acoustic diffusion panel device is used as the interior. The vertical frame 10, the top plate 11, and the bottom plate 12 use aspen material. In addition to these, various woods, metals, resin plates, and the like can be used.

  Although the support plate 15 for supporting the support leg 1 is plate-shaped, as shown in FIG. 7 (c), the acoustic panel 2 supports it when its center of gravity is biased forward. 15a is provided. In this case, projecting portions 15a are provided at both ends of the support plate 15, and the U-shape is opened forward as a whole. In this case, the support leg 1 is fixed via a horizontally long bar-shaped fixing piece 16 provided above the support plate 15.

  In addition, an acoustic panel 2 having a substantially U-shaped plate shape in plan view and opened to the rear surface 7 is supplementarily fixed to the support leg 1 at the lower end of the rear surface 7 of the acoustic panel 2. A support leg engaging portion 18 is provided. The width of the U-shaped opening is set in accordance with the range in which the support leg 1 slides because the support leg 1 slides in the horizontal direction with respect to the acoustic panel 2.

  In addition, although this acoustic diffusion panel apparatus can be installed adjacent to acoustic equipment such as a corner of a room or a speaker alone, a plurality of acoustic diffusion panel apparatuses should be used in a horizontal direction like a folding screen. You can also.

  Therefore, in the acoustic diffusion panel device of this embodiment, each acoustic panel 2 is engaged and supported by the support leg 1 via the slide mechanism 4 that slides in the horizontal direction, and the acoustic panel 2 is attached to each support leg 1. Since the rotation mechanism 5 that rotates in the horizontal direction is provided, the acoustic panel 2 can be folded like a folding screen while the interval between the support legs 1 is fixed, as shown in FIG. Thereby, the acoustic panel 2 can be opened and closed smoothly.

  Moreover, since the action surface 6 which reflects and absorbs a sound is formed in the front surface of the acoustic panel 2, and the acoustic panel 2 is supported by the support leg 1 on the back surface 7, the acoustic panel 2 is opened and closed like a folding screen. By doing so, the range in which sound is absorbed and the direction in which it is reflected can be finely adjusted. Therefore, in the living room space at home, the sound environment of the living room space can be improved by installing it at the corners where the sound tends to concentrate and diffusely reflect and cause the deterioration of the sound environment. The sound emitted from the acoustic device can be appropriately reflected toward the viewer.

  Furthermore, since the acoustic panel 2 is supported by the support leg 1 on the back surface 7, the support leg 1, the slide mechanism 4 and the like cannot be seen from the front surface, so that the appearance is improved. Since the slide mechanism 4 and the rotation mechanism 5 are exposed to the outside of the acoustic panel 2, it can be manufactured using a general wall panel designed and manufactured to be directly fixed to the wall. There is no need to design and manufacture the panel 2. In addition, even if the slide mechanism 4 or the rotation mechanism 5 breaks down, it is easy to repair and maintenance is easy.

  In addition, since the acoustic panel 2 includes the front decorative plate 9 that is convexly curved forward, the sound can be diffused in a certain range rather than reflecting in a certain direction. Furthermore, since the communication part 13 is provided in the front decorative board 9, not all the sounds can be reflected, but a part can be absorbed. In addition, since the back plate 8 and the sound adjustment plate 14 are constituted by an insulation board and are installed side by side, the sound absorption effect of the insulation board can be enhanced.

  Moreover, since the protrusion 15a is provided on the support plate 15 forward, even if the center of gravity is biased forward due to the opening and closing of the acoustic panel 2, the acoustic diffusion panel device of the present invention does not easily fall over. Further, in this case, since the protrusions 15a are provided at both ends of the support plate 15, it is difficult to fall down, and the support plate 15 has a plate shape, so that the weight can be reduced.

  In addition, the acoustic diffusion panel device of the present invention can be used not only by itself but also by arranging a plurality of acoustic diffusion panel devices in a folding screen, so that the range in which sound is desired to be absorbed and reflected can be obtained. Can be changed. Accordingly, it is possible to finely adjust the sound environment in various scenes from a private room space such as a home theater to a large facility such as a hall.

The front view which shows the acoustic diffusion panel apparatus which is one Embodiment of this invention. (A) which shows the acoustic diffusion panel apparatus is a rear view on one side, and (b) is an enlarged view of a slide mechanism. The side view which shows the acoustic diffusion panel apparatus. The top view which shows the same acoustic diffusion panel apparatus. The disassembled perspective view which shows the acoustic panel of the same acoustic diffusion panel apparatus. The cross-sectional view which shows the acoustic panel of the same acoustic diffusion panel apparatus. (A)-(c) which shows operation | movement of the same acoustic diffusion panel apparatus is a top view in each state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Support leg 2 Acoustic panel 3 Side end 4 Slide mechanism 4a Slide piece 4b Slide rail 5 Turning mechanism 6 Action surface 7 Back surface 8 Back plate 9 Front decorative plate
10 Vertical picture frame
11 Top plate
12 Bottom plate
13 communication section
13a Front plate
13b Rear plate
14 sound adjustment plate
15 support plate
15a Protrusion
16 fixed pieces
17 Hinge part
18 Support leg engaging part
19 side pier

Claims (3)

In an acoustic diffusion panel device comprising two supporting legs standing upright at regular intervals and two acoustic panels supported by the respective supporting legs, opposite side end surfaces of the two acoustic panels are hinges through the parts are pivotally connected to the horizontal directions, the acoustic panels to each of the support legs with each acoustic panel is engaged with and supported on the supporting leg via a slide mechanism to slide in the horizontal direction in the horizontal direction An acoustic diffusion panel device provided with a rotation mechanism for rotation.   2. The acoustic diffusion panel device according to claim 1, wherein a working surface for reflecting and absorbing sound is formed on the front surface of the acoustic panel, and the acoustic panel is supported by a support leg on the rear surface.   The acoustic panel has a back plate made of an insulation board, a front decorative plate that is substantially the same width as the back plate provided in front of the back plate and facing the back plate, and is curved forward and convex, and the back plate and the front makeup It consists of a vertical picture frame that engages with the side edge portions of both plates, and a top plate and a bottom plate that engage with the upper and lower ends of the back plate and front decorative plate, respectively, and the front decorative plate communicates with the interior of the acoustic panel. A sound adjustment plate consisting of an insulation board is sandwiched between the back plate and the side edge part of the front decorative plate, and is placed along the back plate, with the back plate side on the back The sound diffusing panel device according to claim 2, wherein:

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