JP6862315B2 - Soundproof panel - Google Patents

Soundproof panel Download PDF

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JP6862315B2
JP6862315B2 JP2017166856A JP2017166856A JP6862315B2 JP 6862315 B2 JP6862315 B2 JP 6862315B2 JP 2017166856 A JP2017166856 A JP 2017166856A JP 2017166856 A JP2017166856 A JP 2017166856A JP 6862315 B2 JP6862315 B2 JP 6862315B2
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sound insulation
plate
sound
vibration control
soundproof
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JP2019044410A (en
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裕幸 岸本
裕幸 岸本
萩原　徹
徹 萩原
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Sekisui Jushi Corp
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Description

本発明は、遮音板の遮音効果をより高めた防音パネルに関するものである。 The present invention relates to a soundproof panel in which the sound insulation effect of the sound insulation plate is further enhanced.

樹脂や金属などの剛性を備えるパネルによって騒音を遮る防音パネルは従来より利用されている。例えば、特許文献１には、地表に適宜間隔をおいて立設された支柱と、この支柱の表裏に間隔をおいて取着されたパネルからなる乾式塀であって、このパネルが合成樹脂からなる基体とこの基体の表裏に貼着された金属箔から製せられていることを特徴とする乾式塀が本出願人によって提案されている。 Soundproof panels that block noise with rigid panels made of resin or metal have been used conventionally. For example, Patent Document 1 describes a dry fence composed of columns erected on the ground surface at appropriate intervals and panels attached to the front and back of the columns at intervals, and the panels are made of synthetic resin. An applicant has proposed a dry fence made of a base material and metal foils attached to the front and back surfaces of the base material.

特開２００３−３２１９５２号公報Japanese Unexamined Patent Publication No. 2003-321952

特許文献１に示される乾式塀は、備えるパネルによって騒音などを遮るものであるが、遮音板として機能する前記パネルが音を受けて振動すると遮音効果が低減する恐れがあった。
前記パネルの振動はパネルの厚みを大きくするなど質量を増大させることで抑制できるが、パネル重量の増加やコストの増加を伴うもので、実施に限界がある。 The dry wall shown in Patent Document 1 has a panel provided to block noise and the like, but if the panel functioning as a sound insulation plate receives sound and vibrates, the sound insulation effect may be reduced.
The vibration of the panel can be suppressed by increasing the mass such as increasing the thickness of the panel, but it is accompanied by an increase in the panel weight and an increase in cost, and there is a limit to the implementation.

本発明は、遮音板の振動を抑制して遮音効果を高めた防音パネルを提供するものである。 The present invention provides a soundproof panel that suppresses vibration of the sound insulation plate and enhances the sound insulation effect.

上記目的を達成するため、本発明は以下のような構成としている。
すなわち本発明に係る防音パネルは、遮音板と、該遮音板の外周を囲う枠体とを備える防音パネルであって、
前記遮音板には該遮音板の板面を押圧する制震部材が接続する接続部を備え、
前記遮音板は前記制震部材によって前記接続部の振動が抑制されると共に、前記枠体によって縁部の振動が抑制されており、
前記遮音板は、前記制震部材による押圧によって、前記接続部が縁部よりも厚み方向外側へ突出するように変形していることを特徴とするものである。 In order to achieve the above object, the present invention has the following configuration.
That is, the soundproof panel according to the present invention is a soundproof panel including a soundproof plate and a frame body surrounding the outer periphery of the soundproof plate.
The sound insulation plate is provided with a connecting portion to which a vibration control member that presses the plate surface of the sound insulation plate is connected.
In the sound insulating plate, the vibration of the connecting portion is suppressed by the vibration damping member, and the vibration of the edge portion is suppressed by the frame body .
The sound insulating plate is characterized in that the connecting portion is deformed so as to protrude outward in the thickness direction from the edge portion by pressing by the vibration damping member .

本発明に係る防音パネルによれば、遮音板の外周を囲う枠体で遮音板の縁部の振動を抑制すると共に、接続部に接続する制震部材で遮音板の板面を押圧して遮音板の振動を抑制するので、遮音板の厚みを増大させることなく効果的に遮音効果を高めることができる。 According to the soundproof panel according to the present invention, the frame surrounding the outer periphery of the soundproof plate suppresses the vibration of the edge of the soundproof plate, and the vibration control member connected to the connection portion presses the plate surface of the soundproof plate to insulate the sound. Since the vibration of the plate is suppressed, the sound insulation effect can be effectively enhanced without increasing the thickness of the sound insulation plate.

また、前記制震部材による押圧によって、前記接続部が縁部よりも厚み方向へ突出するように前記遮音板を変形させるので、遮音板の振動を制震部材によってより効果的に抑制できる。 Further, by pressing by the vibration control member, Runode the deforming the sound insulating plate so that the connecting portion protrudes in the thickness direction than the edge portion, the vibration of the sound insulation plate can be suppressed more effectively by vibration control member.

また、前記遮音板を厚み方向へ間隔をあけて複数配置させ、前記制震部材を前記各遮音板の各接続部へ接続させて、各遮音板の間に架け渡すように取り付ければ、前記制震部材によって各遮音板の振動をそれぞれ抑制できるので、好ましい。 Further, if a plurality of the sound insulation plates are arranged at intervals in the thickness direction, the vibration control members are connected to the connection portions of the sound insulation plates, and the sound insulation plates are attached so as to be bridged between the sound insulation plates, the vibration control members are installed. This is preferable because the vibration of each sound insulation plate can be suppressed.

また、前記制震部材による押圧によって、前記各接続部が前記縁部よりも厚み方向外側へ突出するように前記各遮音板をそれぞれ変形させれば、前記各遮音板の振動を制震部材によってより効果的に抑制できるので、好ましい。 Further, if each of the sound insulating plates is deformed so that each of the connecting portions protrudes outward in the thickness direction from the edge portion by pressing by the vibration damping member, the vibration of each sound insulating plate is caused by the vibration damping member. It is preferable because it can be suppressed more effectively.

本発明の防音パネルによれば、遮音板の振動を抑制して遮音効果を高めることができる。 According to the soundproof panel of the present invention, it is possible to suppress the vibration of the sound insulation plate and enhance the sound insulation effect.

本発明に係る防音パネルの実施の一形態を示す、（イ）は平面図であり、（ロ）は正面図である。An embodiment of the soundproof panel according to the present invention is shown, (a) is a plan view and (b) is a front view. 図１の右側面図であるIt is a right side view of FIG. 防音パネルの縦断面を示す図１のＡ−Ａ断面図である。FIG. 5 is a sectional view taken along the line AA of FIG. 1 showing a vertical sectional view of the soundproof panel. 図３の上枠材付近の拡大図である。It is an enlarged view of the vicinity of the upper frame material of FIG. 図３の下枠材付近の拡大図である。It is an enlarged view around the lower frame material of FIG. 図１のＢ−Ｂ断面図である。It is a cross-sectional view of BB of FIG. 図３の制震部材付近の拡大図である。It is an enlarged view of the vicinity of the vibration control member of FIG. 図７の制震部材の正面図である。It is a front view of the vibration control member of FIG. 7. 図８の制震部材の側面図である。It is a side view of the vibration control member of FIG. 図１の防音パネルの遮音板における接続部の各縁部からの突出の大きさの測定結果を示す表である。It is a table which shows the measurement result of the size of the protrusion from each edge part of the connection part in the sound insulation board of the soundproof panel of FIG. 図１の防音パネルの遮音性能を測定する試験状況の概要を示す、（イ）は平面図であり、（ロ）は正面図である。The outline of the test situation for measuring the sound insulation performance of the soundproof panel of FIG. 1 is shown, (a) is a plan view and (b) is a front view. 図１１の防音壁を利用して行った遮音性能の測定結果を示す表である。It is a table which shows the measurement result of the sound insulation performance performed using the soundproof wall of FIG.

発明の実施の形態を図面に基づき具体的に説明する。
図面において、１は防音パネルである。
防音パネル１は、矩形平板状の遮音板２と、この遮音板２の周囲を囲う枠体とを備えた矩形形状に形成している。
前記枠体は、前記遮音板２の上下の各縁部２１へそれぞれ取り付けられる２個の横枠材３と、左右の各縁部２１へそれぞれ取り付けられる２個の縦枠材４で構成されており、これら４個の長尺体の各端部をねじで固定し連結して、遮音板２の全周を囲う前記枠体を形成している。
また、前記各縦枠材４は、外側側方へ突出する平板状の取付部４２をそれぞれ備え、各取付部４２には貫通孔４３を形成している。前記防音パネル１は、前記各貫通孔４３へ挿通させたボルト等の固定部材を介して、立設させた支柱などへ取り付けられるように設けている。 Embodiments of the invention will be specifically described with reference to the drawings.
In the drawing, 1 is a soundproof panel.
The soundproof panel 1 is formed in a rectangular shape including a rectangular flat plate-shaped soundproof plate 2 and a frame body surrounding the soundproof plate 2.
The frame body is composed of two horizontal frame members 3 attached to the upper and lower edge portions 21 of the sound insulation plate 2, and two vertical frame members 4 attached to the left and right edge portions 21, respectively. Each end of each of these four long bodies is fixed and connected with screws to form the frame body that surrounds the entire circumference of the sound insulation plate 2.
Further, each of the vertical frame members 4 is provided with a flat plate-shaped mounting portion 42 projecting outward, and each mounting portion 42 is formed with a through hole 43. The soundproof panel 1 is provided so as to be attached to an erected column or the like via a fixing member such as a bolt inserted through each of the through holes 43.

前記遮音板２は、一例として、縦９７４ｍｍ、横１８０６ｍｍの平板体で形成しており、金属板と合成樹脂板とを貼り合わせた複合板で形成している。
前記遮音板２は、厚み方向へ間隔をあけて２個配置させており、前記枠体を構成する各横枠材３及び各縦枠材４が前記各遮音板２の縁部２１へそれぞれ取り付けられている。
図３は防音パネル１の縦断面を示す図１のＡ−Ａ断面図である。
前記防音パネル１は、各遮音板２と枠体とに囲われた内側に中空部分を備える矩形箱形状に設けており、この中空部分に吸音材５と制震部材６とを内装させている。 As an example, the sound insulation plate 2 is formed of a flat plate having a length of 974 mm and a width of 1806 mm, and is formed of a composite plate in which a metal plate and a synthetic resin plate are bonded together.
Two sound insulation plates 2 are arranged at intervals in the thickness direction, and each horizontal frame member 3 and each vertical frame member 4 constituting the frame body are attached to the edge portion 21 of each sound insulation plate 2. Has been done.
FIG. 3 is a cross-sectional view taken along the line AA of FIG. 1 showing a vertical cross section of the soundproof panel 1.
The soundproof panel 1 is provided in the shape of a rectangular box having a hollow portion inside surrounded by each sound insulation plate 2 and a frame, and the sound absorbing material 5 and the vibration damping member 6 are housed in the hollow portion. ..

前記枠体を構成する各横枠材３は、断面形状を全長に亘り同一に設けたアルミニウム押出形材からなる略矩形筒状の長尺体であり、上枠材３Ａと下枠材３Ｂを備えている。
図４は図３の上枠材３Ａ付近の拡大図であり、図５は図３の下枠材３Ｂ付近の拡大図である。
前記下枠材３Ｂは、下方へ突出する平板状部位を厚み方向へ間隔をあけて２個配置させた係合部３５を備えている。下枠材３Ｂの全長に亘る溝状に形成した前記係合部３５は、その内側へ他の防音パネル１の上枠材３Ａの上部を嵌め込むように挿入させて係合するように形成しており、複数の防音パネル１を上下方向へ段積み状に設置させたときに、係合部３５における係合によって安定性を向上させ、各防音パネル１の間からの音のすり抜けを抑制させている。 Each of the horizontal frame members 3 constituting the frame is a substantially rectangular tubular long body made of an extruded aluminum profile having the same cross-sectional shape over the entire length, and the upper frame member 3A and the lower frame member 3B are formed. I have.
FIG. 4 is an enlarged view of the vicinity of the upper frame member 3A of FIG. 3, and FIG. 5 is an enlarged view of the vicinity of the lower frame member 3B of FIG.
The lower frame member 3B includes an engaging portion 35 in which two flat plate-shaped portions projecting downward are arranged at intervals in the thickness direction. The engaging portion 35 formed in a groove shape over the entire length of the lower frame member 3B is formed so as to be inserted and engaged so as to fit the upper portion of the upper frame member 3A of the other soundproof panel 1 inside the engaging portion 35. When a plurality of soundproof panels 1 are installed in a stack in the vertical direction, the stability is improved by the engagement at the engaging portion 35, and the sound slipping through between the soundproof panels 1 is suppressed. ing.

前記上枠材３Ａと下枠材３Ｂには、前記遮音板２の縁部２１を保持する保持部３１をそれぞれ設けている。
前記保持部３１は、前記上枠材３Ａ及び下枠材３Ｂの全長に亘る溝状に形成しており、厚み方向に間隔をあけて２個形成している。
前記上枠材３Ａ及び下枠材３Ｂは、前記各遮音板２の上側及び下側の縁部２１を前記各保持部３１の内側へ挿入させて、前記各縁部２１を保持するように設けている。
前記各保持部３１は、前記縁部２１の一方の板面へ当接する当接部３１ａを備えると共に、縁部２１の他方の板面へ当接する当接部３１ｂを備えている。
前記各保持部３１に縁部２１を挿入して保持される各遮音板２は、前記各当接部３１ａ、３１ｂが両側の板面に当接することで、縁部２１における振動が各横枠３によって効果的に抑制される。 The upper frame member 3A and the lower frame member 3B are each provided with a holding portion 31 for holding the edge portion 21 of the sound insulating plate 2.
The holding portion 31 is formed in a groove shape over the entire length of the upper frame member 3A and the lower frame member 3B, and two holding portions 31 are formed at intervals in the thickness direction.
The upper frame material 3A and the lower frame material 3B are provided so as to hold the respective edge portions 21 by inserting the upper and lower edge portions 21 of the sound insulation plate 2 into the inside of the respective holding portions 31. ing.
Each holding portion 31 includes a contact portion 31a that abuts on one plate surface of the edge portion 21, and also includes a contact portion 31b that abuts on the other plate surface of the edge portion 21.
In each sound insulating plate 2 held by inserting the edge portion 21 into each of the holding portions 31, the contact portions 31a and 31b abut on both side plate surfaces, so that the vibration at the edge portion 21 is generated in each horizontal frame. It is effectively suppressed by 3.

前記枠体を構成する各縦枠材４は、断面形状を全長に亘り同一に設けたアルミニウム押出形材からなる長尺体であり、左枠材４Ａと右枠材４Ｂを備えている。
図６は図１のＢ−Ｂ断面図であり、前記右枠材４Ｂ付近の横断面を表している。
尚、前記左枠材４Ａは、右枠材４Ｂと同一の断面形状であり、前記取付部４２を側方外側へ突出させる向きでそれぞれ配置している。
前記左枠材４Ａと右枠材４Ｂには、前記遮音板２の縁部２１を保持する保持部４１をそれぞれ設けている。
前記保持部４１は、前記各横枠材３に形成した保持部３１と同様に、前記左枠材４Ａ及び右枠材４Ｂの全長に亘る溝状に形成しており、厚み方向に間隔をあけて２個形成している。
前記左枠材４Ａ及び右枠材４Ｂは、前記各遮音板２の左側及び右側の縁部２１を前記各保持部４１の内側へ挿入させて、前記各縁部２１を保持するように設けている。
また、前記各保持部４１は、前記各横枠材３に形成した保持部３１と同様に、前記縁部２１の一方の板面へ当接する当接部４１ａを備えると共に、縁部２１の他方の板面へ当接する当接部４１ｂを備えており、各保持部４１で保持する縁部２１の両面を前記各当接部４１ａ、４１ｂへ当接させることで、縁部２１における振動が効果的に抑制されるように設けている。 Each of the vertical frame members 4 constituting the frame is a long body made of an extruded aluminum profile having the same cross-sectional shape over the entire length, and includes a left frame member 4A and a right frame member 4B.
FIG. 6 is a cross-sectional view taken along the line BB of FIG. 1, showing a cross section in the vicinity of the right frame member 4B.
The left frame member 4A has the same cross-sectional shape as the right frame member 4B, and is arranged so that the mounting portion 42 projects laterally outward.
The left frame member 4A and the right frame member 4B are each provided with a holding portion 41 for holding the edge portion 21 of the sound insulating plate 2.
Like the holding portion 31 formed on each of the horizontal frame members 3, the holding portion 41 is formed in a groove shape over the entire length of the left frame member 4A and the right frame member 4B, and is spaced apart in the thickness direction. Two are formed.
The left frame member 4A and the right frame member 4B are provided so as to hold the respective edge portions 21 by inserting the left and right edge portions 21 of the sound insulation plate 2 into the inside of the respective holding portions 41. There is.
Further, each of the holding portions 41 includes a contact portion 41a that abuts on one plate surface of the edge portion 21, and the other of the edge portions 21, similarly to the holding portion 31 formed on each of the horizontal frame members 3. The contact portion 41b that comes into contact with the plate surface of the above portion is provided, and the vibration at the edge portion 21 is effective by bringing both sides of the edge portion 21 held by each holding portion 41 into contact with the contact portions 41a and 41b. It is provided so as to be suppressed.

図３に示すように、前記防音パネル１の内側には、吸音材５と制震部材６が各遮音板２の間に配置されて収納されている。
前記吸音材５は、合成樹脂繊維からなる綿状の不織布であり、前記遮音板２間の隙間をほぼ塞ぐ大きさの矩形板状に形成している。
尚、吸音材５は合成樹脂の不織布に限るものではなく、ガラスウールや発泡合成樹脂など、既知の材質、形態のものを利用してよい。 As shown in FIG. 3, a sound absorbing material 5 and a vibration damping member 6 are arranged and housed between the sound insulating plates 2 inside the soundproofing panel 1.
The sound absorbing material 5 is a cotton-like non-woven fabric made of synthetic resin fibers, and is formed in a rectangular plate shape having a size that substantially closes the gap between the sound insulating plates 2.
The sound absorbing material 5 is not limited to the synthetic resin non-woven fabric, and a known material and form such as glass wool and foamed synthetic resin may be used.

図７は図３の制震部材６付近の拡大図であり、図８は図７の制震部材６の正面図であり、図９は図８の制震部材６の側面図である。
前記制震部材６は、防音パネル１中に２個内装させており、各遮音板２の接続部２２となされる部位の内側の板面へ密着させて取り付けている。
尚、図１（ロ）に示す２個の制震部材６のうち、上方に配置される制震部材６は、その中央部分が各遮音板２の左縁から右方へ５６０ｍｍ、上縁から下方へ３０３ｍｍの位置に配置されるように取り付けている。
また、下方に配置した制震部材６は、その中央部分が各遮音板２の左縁から右方へ５６０ｍｍ、下縁から上方へ３０３ｍｍの位置に配置されるように取り付けている。
即ち、前記各制震部材６は、前記各遮音板２の上下方向の中央とは異なる位置に配置させると共に、左右方向の中央とは異なる位置に配置して取り付けている。 7 is an enlarged view of the vicinity of the vibration control member 6 of FIG. 3, FIG. 8 is a front view of the vibration control member 6 of FIG. 7, and FIG. 9 is a side view of the vibration control member 6 of FIG.
Two of the vibration control members 6 are housed in the soundproof panel 1, and they are attached in close contact with the inner plate surface of the portion to be the connection portion 22 of each sound insulation plate 2.
Of the two vibration control members 6 shown in FIG. 1 (b), the center portion of the vibration control member 6 arranged above is 560 mm from the left edge to the right of each sound insulation plate 2 and from the upper edge. It is attached so as to be arranged at a position of 303 mm downward.
Further, the vibration control member 6 arranged below is attached so that the central portion thereof is arranged at a position of 560 mm to the right from the left edge of each sound insulation plate 2 and 303 mm upward from the lower edge.
That is, each of the vibration control members 6 is arranged at a position different from the center in the vertical direction of each of the sound insulation plates 2, and is arranged and attached at a position different from the center in the left-right direction.

前記制震部材６は、厚み方向に間隔をあけて配置した２個の制震部６２を連結部６１で連結して形成している。
前記連結部６１は、両端に雄ねじ部を有する丸棒部材であり、所謂ボルトで形成している。
前記各制震部６２は、正方形板状に形成した金属板であり、厚み方向外側の板面に密着部６２ａを設けている。
前記密着部６２ａは、ゴムや合成樹脂エラストマーなどからなる弾性部材で形成しており、板状に形成した弾性部材を制震部６２の全面に亘るように貼着させて形成している。図８、９に示す制震部材６は、密着部６２ａをクロロプレンゴムの板で形成している。
前記各制震部６２の厚み方向内側の板面には、前記連結部６１を取り付ける雌ねじ部６２ｂをそれぞれ設けている。雌ねじ部６２ｂは、制震部６２の板面の中央に溶接して取り付けたナットであり、前記連結部６１の両端にそれぞれ形成した雄ねじ部を各制震部６２の雌ねじ部６２ｂへ螺挿して前記制震部材６を設けている。
前記制震部材６は、各雌ねじ部６２ｂへねじ込む雄ねじ部の螺挿部分の長さを変化させることで、各制震部６２の間隔の大きさを調整可能に設けている。 The vibration control member 6 is formed by connecting two vibration control portions 62 arranged at intervals in the thickness direction by a connecting portion 61.
The connecting portion 61 is a round bar member having male threaded portions at both ends, and is formed of so-called bolts.
Each of the vibration control portions 62 is a metal plate formed in a square plate shape, and a close contact portion 62a is provided on a plate surface on the outer side in the thickness direction.
The close contact portion 62a is formed of an elastic member made of rubber, a synthetic resin elastomer, or the like, and is formed by sticking an elastic member formed in a plate shape so as to cover the entire surface of the vibration control portion 62. In the vibration control member 6 shown in FIGS. 8 and 9, the close contact portion 62a is formed of a chloroprene rubber plate.
On the inner plate surface of each vibration control portion 62 in the thickness direction, a female screw portion 62b to which the connecting portion 61 is attached is provided. The female screw portion 62b is a nut attached by welding to the center of the plate surface of the vibration control portion 62, and the male screw portions formed at both ends of the connecting portion 61 are screwed into the female screw portions 62b of each vibration control portion 62. The vibration control member 6 is provided.
The vibration damping member 6 is provided so that the size of the interval between the vibration damping portions 62 can be adjusted by changing the length of the screwed portion of the male screw portion screwed into each female screw portion 62b.

前記制震部材６は、図７に示すように、各遮音板２へ各制震部６２を接続させて取り付けている。
具体的には、各遮音板２の接続部２２となされる部位の内側の板面へ、前記各密着部６２ｂを当接させて密着させ、各遮音板２と各制震部６２とを接続させている。
また、前記制震部材６の連結部６１は、その外径よりも若干大きな内径の貫通孔状に形成した吸音材５の挿通部５１へ挿通させている。
前記防音パネル１は、吸音材５の所定の位置に前記挿通部５１を形成することで、前記制震部材６を希望の位置へ容易に配置できるように設けている。 As shown in FIG. 7, the vibration control member 6 is attached to each sound insulation plate 2 by connecting each vibration control portion 62.
Specifically, each of the close contact portions 62b is brought into close contact with the inner plate surface of the portion to be the connection portion 22 of each sound insulation plate 2, and each sound insulation plate 2 and each vibration control portion 62 are connected. I'm letting you.
Further, the connecting portion 61 of the vibration damping member 6 is inserted into the insertion portion 51 of the sound absorbing material 5 formed in the shape of a through hole having an inner diameter slightly larger than the outer diameter thereof.
The soundproof panel 1 is provided so that the vibration control member 6 can be easily arranged at a desired position by forming the insertion portion 51 at a predetermined position of the sound absorbing material 5.

前記制震部材６は、前記密着部６２ｂで構成される各制震部６２の外面間の間隔を、各遮音板２の縁部２１の内側面間の間隔よりも大きく設けている。このため、前記各遮音板２は、前記制震部材６を取り付けた接続部２２の外面が、各横枠３の保持部３１の保持された縁部２１の外面よりも外側へ突出するように、撓み変形している。 The vibration control member 6 is provided with a distance between the outer surfaces of each vibration control portion 62 composed of the close contact portion 62b larger than the distance between the inner side surfaces of the edge portion 21 of each sound insulation plate 2. Therefore, in each of the sound insulating plates 2, the outer surface of the connecting portion 22 to which the vibration damping member 6 is attached protrudes outward from the outer surface of the held edge portion 21 of the holding portion 31 of each horizontal frame 3. , It is flexed and deformed.

以下に、防音パネル１の遮音板２の撓み変形の度合いを測定する方法について説明する。
最初に、左枠材４Ａの保持部４１の縁に位置する遮音板２の外面から厚み方向へ５０ｍｍ離間した位置に水糸の一方の端部を配置する。
次に右枠材４Ｂの保持部４１の縁に位置する遮音板２の外面から厚み方向へ５０ｍｍ離間した位置に前記水糸の他方の端部を配置し、前記水糸が直線状となされるように両端を引張する。このとき、前記水糸が前記接続部２２に対応する位置に配置されるようにする。
最後に、接続部２２における遮音板２の外面と前記水糸との厚み方向の間隔を計測し、その計測値と、前記保持部４１近傍の遮音板２の外面と水糸との間隔である５０ｍｍとの差を算出して、前記接続部２２の各縁部２１からの突出の大きさとした。 Hereinafter, a method of measuring the degree of bending deformation of the sound insulating plate 2 of the soundproof panel 1 will be described.
First, one end of the water thread is arranged at a position 50 mm away from the outer surface of the sound insulation plate 2 located at the edge of the holding portion 41 of the left frame member 4A in the thickness direction.
Next, the other end of the water thread is arranged at a position 50 mm away from the outer surface of the sound insulation plate 2 located at the edge of the holding portion 41 of the right frame member 4B in the thickness direction, and the water thread is made linear. Pull both ends so that. At this time, the water thread is arranged at a position corresponding to the connection portion 22.
Finally, the distance between the outer surface of the sound insulation plate 2 and the water thread in the connecting portion 22 in the thickness direction is measured, and the measured value is the distance between the outer surface of the sound insulation plate 2 near the holding portion 41 and the water thread. The difference from 50 mm was calculated to be the size of the protrusion of the connection portion 22 from each edge portion 21.

図１０は図１の防音パネル１の遮音板２における接続部２２の各縁部２１からの突出の大きさの測定結果を示す表である。
図１０の表に示すように、前記防音パネル１の遮音板２は、接続部２２が各縁部２１から厚み方向外方へ５．８ｍｍ突出するように撓み変形している。
即ち、前記遮音板２は、遮音板２の横方向の大きさ１８０６ｍｍに対して約０．３２％の大きさで接続部２２が各縁部２１から突出する撓み変形しており、遮音板２の縦方向の大きさ９７４ｍｍに対して約０．６０％の大きさで接続部２２が各縁部２１から突出する撓み変形をしている。
前記制震部材６は、各制震部６２が各遮音板２の板面に接触していれば、接続部２２における遮音板２の振動を抑制できるが、上記のように遮音板２の接続部２２が各縁部２１よりも外側へ突出する撓み変形するほど強い力で当接させて接続させれば、各遮音板２の振動をより効果的に抑制できる。
前記制震部材６は、遮音板２の長辺の大きさに対して０．１％以上の大きさで接続部２２が各縁部２１から突出するように遮音板２へ接続させるのが好ましく、０．２％以上の大きさで接続部２２が各縁部２１から突出するように遮音板２へ接続させるのがより好ましい。また、前記制震部材６は、遮音板２の短辺の大きさに対して０．２％以上の大きさで接続部２２が各縁部２１から突出するように遮音板２へ接続させるのが好ましく、０．４％以上の大きさで接続部２２が各縁部２１から突出するように遮音板２へ接続させるのがより好ましい。 FIG. 10 is a table showing the measurement results of the magnitude of protrusion of the connection portion 22 from each edge portion 21 of the sound insulation plate 2 of the soundproof panel 1 of FIG.
As shown in the table of FIG. 10, the sound insulation plate 2 of the soundproof panel 1 is deformed and deformed so that the connection portion 22 projects 5.8 mm outward in the thickness direction from each edge portion 21.
That is, the sound insulation plate 2 is deformed by bending so that the connecting portion 22 protrudes from each edge portion 21 with a size of about 0.32% with respect to the lateral size of the sound insulation plate 2 of 1806 mm. The connecting portion 22 is deformed by bending so as to protrude from each edge portion 21 with a size of about 0.60% with respect to the vertical size of 974 mm.
The vibration control member 6 can suppress the vibration of the sound insulation plate 2 at the connection portion 22 if each vibration control portion 62 is in contact with the plate surface of each sound insulation plate 2, but the connection of the sound insulation plate 2 as described above. The vibration of each sound insulation plate 2 can be suppressed more effectively if the portions 22 are brought into contact with each other with a force strong enough to be bent and deformed so as to protrude outward from the edge portions 21.
The vibration control member 6 is preferably connected to the sound insulation plate 2 so that the connection portion 22 protrudes from each edge portion 21 with a size of 0.1% or more with respect to the size of the long side of the sound insulation plate 2. It is more preferable to connect the connecting portion 22 to the sound insulating plate 2 so as to protrude from each edge portion 21 with a size of 0.2% or more. Further, the vibration control member 6 is connected to the sound insulation plate 2 so that the connection portion 22 protrudes from each edge portion 21 with a size of 0.2% or more with respect to the size of the short side of the sound insulation plate 2. It is more preferable that the connecting portion 22 is connected to the sound insulating plate 2 so as to protrude from each edge portion 21 with a size of 0.4% or more.

以下に、本発明に係る防音パネル１の遮音性能を測定する方法について説明する。
図１１は図１の防音パネルの遮音性能を測定する試験状況の概要を示す、（イ）は平面図であり、（ロ）は正面図である。
図１１（イ）の説明において図中左方向を前方向とし、図中右方向を後方向とし、図１１（ハ）の説明において図中上下方向を上下方向とする。
最初に、防音パネル１を用いた遮音性能測定用の防音壁Ｗを設置面Ｇへ立設させ、この防音壁Ｗから前方向へ離間させた位置に音源Ｓを設置させた。
防音壁Ｗは、図１、２に示す前記防音パネル１を６個利用して形成しており、前記防音パネル１を上下方向へ２個段積みすると共に、幅方向へ３個並設させて形成している。即ち、前記防音壁Ｗは幅方向の大きさを約６ｍに設け、上下方向の大きさを約２ｍに設けている。
前記音源Ｓは、前記防音壁Ｗの幅方向中央に対応する位置であり、防音壁Ｗの厚み方向中央から前方向へ１ｍ離間する位置であり、設置面Ｇから上方へ０．２ｍの位置に配置させている。
尚、前記音源Ｓとして、ＹＡＭＡＨＡ社製のスピーカー ＭＯＤＥＬ ＮＳ−ＳＷ３００を利用している。 Hereinafter, a method for measuring the sound insulation performance of the soundproof panel 1 according to the present invention will be described.
FIG. 11 shows an outline of a test situation for measuring the sound insulation performance of the soundproof panel of FIG. 1, (a) is a plan view, and (b) is a front view.
In the description of FIG. 11 (a), the left direction in the figure is the front direction, the right direction in the figure is the rear direction, and the vertical direction in the figure is the vertical direction in the description of FIG. 11 (c).
First, a soundproof wall W for measuring sound insulation performance using the soundproof panel 1 was erected on the installation surface G, and the sound source S was installed at a position separated from the soundproof wall W in the forward direction.
The soundproof wall W is formed by using six of the soundproof panels 1 shown in FIGS. 1 and 2, and two soundproof panels 1 are stacked in the vertical direction and three are arranged side by side in the width direction. Is forming. That is, the soundproof wall W is provided with a width direction of about 6 m and a vertical size of about 2 m.
The sound source S is a position corresponding to the center of the soundproof wall W in the width direction, a position separated from the center of the soundproof wall W in the thickness direction by 1 m in the front direction, and a position 0.2 m upward from the installation surface G. It is arranged.
As the sound source S, a speaker MODEL NS-SW300 manufactured by YAMAHA is used.

次に、前方側に配置した前記音源Ｓから前記防音壁Ｗへ向けて試験音を放射し、前記防音壁Ｗの後方側に配置した測定機Ｍで前記試験音の音圧を測定した。
前記試験音は、音圧が最も大きな周波数を４０ｈｚに設定すると共に、周波数４０ｈｚの音圧を８５ｄｂ以上９０ｄｂ以下±０．５ｄｂの範囲で安定させた。
試験音の音圧を測定する前記測定機Ｍは、小野測器製 精密騒音計 ＬＡ−５５６０を使用し、前記測定機Ｍを前記防音壁Ｗの幅方向中央に対応する位置であり、防音壁Ｗの厚み方向中央から後方向へ１ｍ離間する位置であり、設置面Ｇから上方へ１．２ｍの位置に配置して、周波数４０ｈｚの音圧ｔ１を測定した。
次に、音源Ｓ及び測定機Ｍの電源を入れた状態で前記防音壁Ｗを撤去し、防音壁Ｍの無いブランク状態の周波数４０ｈｚの音圧ｔ２を測定した。
上記の操作を５回繰り返し、音圧ｔ１の各測定値の平均を実施例の測定値Ｔ１とした。
また、前記音圧ｔ２の各測定値の平均をブランク測定値Ｔ２とし、このブランク測定値Ｔ２と前記実施例の測定値Ｔ１との差を算出して、実施例の遮音性能の値とした。 Next, the test sound was radiated from the sound source S arranged on the front side toward the soundproof wall W, and the sound pressure of the test sound was measured by the measuring machine M arranged on the rear side of the soundproof wall W.
In the test sound, the frequency with the highest sound pressure was set to 40 hz, and the sound pressure at a frequency of 40 hz was stabilized in the range of 85db or more and 90db or less ± 0.5db.
The measuring machine M for measuring the sound pressure of the test sound uses a precision sound level meter LA-5560 manufactured by Ono Sokki, and the measuring machine M is located at a position corresponding to the center of the soundproof wall W in the width direction. The sound pressure t1 at a frequency of 40 hz was measured by arranging the W at a position separated from the center in the thickness direction by 1 m in the rear direction and 1.2 m upward from the installation surface G.
Next, the soundproof wall W was removed with the sound source S and the measuring device M turned on, and the sound pressure t2 at a frequency of 40 hz in a blank state without the soundproof wall M was measured.
The above operation was repeated 5 times, and the average of the measured values of the sound pressure t1 was taken as the measured value T1 of the example.
Further, the average of the measured values of the sound pressure t2 was defined as the blank measured value T2, and the difference between the blank measured value T2 and the measured value T1 of the embodiment was calculated and used as the value of the sound insulation performance of the embodiment.

次に、内側に制震部材６を備えていない防音パネルについて上記と同じ方法で遮音性能の測定を行った。
具体的には、内側に制震部材６を備えていない防音パネルを利用して図１１に示す防音壁Ｗを設置面Ｇへ設置し、上記と同じ方法で周波数４０ｈｚの音圧ｔ３の測定を行い、その後防音壁Ｗを撤去した状態で周波数４０ｈｚの音圧ｔ４を測定した。
上記の操作を５回繰り返し、前記音圧ｔ３の各測定値の平均を比較例の測定値Ｔ３とすると共に、前記音圧ｔ４の各測定値の平均をブランク測定値Ｔ４として、ブランク測定値Ｔ４と前記比較例の測定値Ｔ３との差を比較例の防音性能の値とした。尚、この測定に用いた防音パネルは、制震部材６を備えていないこと以外は図１、２に示す防音パネル１と同じ部材で形成されており、２個の各遮音板２の全面がそれぞれ略平面となされている。 Next, the sound insulation performance of the soundproof panel not provided with the vibration control member 6 was measured by the same method as described above.
Specifically, the soundproof wall W shown in FIG. 11 is installed on the installation surface G by using a soundproof panel not provided with the vibration control member 6 inside, and the sound pressure t3 having a frequency of 40 hz is measured by the same method as described above. After that, the sound pressure t4 having a frequency of 40 hz was measured with the soundproof wall W removed.
The above operation is repeated 5 times, the average of each measured value of the sound pressure t3 is set as the measured value T3 of the comparative example, and the average of each measured value of the sound pressure t4 is set as the blank measured value T4. The difference between the measured value T3 and the measured value T3 of the comparative example was used as the value of the soundproofing performance of the comparative example. The soundproof panel used for this measurement is made of the same member as the soundproof panel 1 shown in FIGS. 1 and 2 except that the soundproof panel 6 is not provided, and the entire surface of each of the two soundproof plates 2 is covered. Each is a substantially flat surface.

図１２は図１１の防音壁Ｗを利用して行った遮音性能の測定結果を示す表である。
図１２に示すように、図１、２の防音パネル１を用いた実施例の遮音性能は９．７ｄｂであり、制震部材６を備えない防音パネルを用いた比較例の遮音性能の７．０ｄｂよりも高い遮音効果が得られることを確認できた。 FIG. 12 is a table showing the measurement results of the sound insulation performance performed by using the sound insulation wall W of FIG.
As shown in FIG. 12, the sound insulation performance of the embodiment using the soundproof panel 1 of FIGS. 1 and 2 is 9.7db, and the sound insulation performance of the comparative example using the soundproof panel not provided with the vibration damping member 6 is 7. It was confirmed that a sound insulation effect higher than 0 db could be obtained.

尚、本発明に係る防音パネル１は、上記実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲で種々の変更が可能である。
例えば、前記防音パネル１の横枠材３に設ける保持部３１や、縦枠材４に設ける保持部４１はそれぞれ溝状に形成しているが、これに限るものではなく、遮音板２の縁部２１を保持してその振動を抑制できる他の形態に設けても良い。例えば、横枠材３や縦枠材４へ取り付けるねじやリベットを保持部として、これらを遮音板２の縁部２１へ挿通させて枠体へ取り付けて保持させてもよく、横枠材３や縦枠材４と別体に形成してこれらへ係合可能な係合部材を保持部として、これを介して遮音板２の縁部２１を枠体へ取り付けて保持させてもよい。
また、前記保持部３１、４１と前記遮音板２の縁部２１との間に、ゴムや合成樹脂エラストマーなどからなる弾性部材を配置してもよい。 The soundproof panel 1 according to the present invention is not limited to the above embodiment, and various modifications can be made without departing from the gist of the present invention.
For example, the holding portion 31 provided in the horizontal frame member 3 of the soundproof panel 1 and the holding portion 41 provided in the vertical frame member 4 are each formed in a groove shape, but the present invention is not limited to this, and the edge of the sound insulation plate 2 is not limited to this. It may be provided in another form capable of holding the portion 21 and suppressing its vibration. For example, screws or rivets attached to the horizontal frame member 3 or the vertical frame member 4 may be used as holding portions, and these may be inserted through the edge portion 21 of the sound insulating plate 2 to be attached to the frame body and held. An engaging member that is formed separately from the vertical frame member 4 and can be engaged with the vertical frame member 4 may be used as a holding portion, and the edge portion 21 of the sound insulating plate 2 may be attached to and held by the frame body via the holding portion.
Further, an elastic member made of rubber, a synthetic resin elastomer or the like may be arranged between the holding portions 31 and 41 and the edge portion 21 of the sound insulating plate 2.

また、前記防音パネル１は、制震部材６を内側に２個取り付けているが、これに限るものではなく、１個でもよく、３個以上でもよい。
また、制震部材６を接続させる遮音板２の接続部２２の位置についても、図１に示す配置に限るものではなく、他の位置に配置させてもよい。例えば、前記各制震部材６を前記各遮音板２の上下方向の中央に配置させてもよく、前記各制震部材６を前記各遮音板２の左右方向の中央に配置してもよい。遮音板２へ取り付ける前記制震部材６の配置によって遮音板２の遮音性能が変化するので、あらかじめ、遮音しようと音の周波数に適した制震部材６の配置を確認して取り付けるのが好ましい。 Further, the soundproof panel 1 has two vibration control members 6 attached to the inside, but the present invention is not limited to this, and may be one or three or more.
Further, the position of the connecting portion 22 of the sound insulating plate 2 to which the vibration damping member 6 is connected is not limited to the arrangement shown in FIG. 1, and may be arranged at another position. For example, the vibration control members 6 may be arranged at the center of the sound insulation plates 2 in the vertical direction, or the vibration control members 6 may be arranged at the center of the sound insulation plates 2 in the horizontal direction. Since the sound insulation performance of the sound insulation plate 2 changes depending on the arrangement of the vibration control member 6 to be attached to the sound insulation plate 2, it is preferable to confirm and attach the vibration control member 6 suitable for the frequency of the sound in advance in order to insulate the sound.

また、前記防音パネル１は、２個の遮音板２を厚み方向に間隔をあけて配置しているがこれに限るものではなく、遮音板２を１個だけ用いても良い。
このような場合には、制震部材６の一部を制震部６２として遮音板２の接続部２２へ接続すると共に、前記制震部材６の他の一部を横枠材３や縦枠材４へ接続させて、前記接続部２２における遮音板２の振動を抑制させるように設けるのが好ましい。 Further, in the soundproof panel 1, two soundproof plates 2 are arranged at intervals in the thickness direction, but the present invention is not limited to this, and only one soundproof plate 2 may be used.
In such a case, a part of the vibration control member 6 is connected to the connection part 22 of the sound insulation plate 2 as the vibration control part 62, and the other part of the vibration control member 6 is connected to the horizontal frame member 3 or the vertical frame. It is preferable that the material 4 is connected to the material 4 so as to suppress the vibration of the sound insulating plate 2 at the connecting portion 22.

また、前記防音パネル１は、遮音板２の接続部２２の板面を押圧するように制震部材６の制震部６２を当接させて接続しているが、これに限るものではなく、前記接続部２２を厚み方向へ引張するように制震部材６の制震部６２を接続させてもよい。
このような場合には、制震部材６の制震部６２を、接着や、溶接や、係合や、ねじ止めや、リベット止めなどの接合方法で接続部２２へ接続させて、この接続部２２を引張することができる。
遮音板２の接続部２２を引張するように制震部材６を取り付けた場合でも、接続部２２を押圧するように制震部材６を取り付けた場合と同様の効果を得ることができる。また、遮音板２の接続部２２を引張するように制震部材６を接続させて取り付ける場合は、接続部２２を押圧するように制震部材６を取り付けた場合と同様に、遮音板２の長辺の大きさに対して０．１％以上の大きさで引張された接続部２２が各縁部２１から突出するように遮音板２へ接続させるのが好ましく、０．２％以上の大きさで接続部２２が各縁部２１から突出するように遮音板２へ接続させるのがより好ましい。また、前記制震部材６は、遮音板２の短辺の大きさに対して０．２％以上の大きさで引張された接続部２２が各縁部２１から突出するように遮音板２へ接続させるのが好ましく、０．４％以上の大きさで接続部２２が各縁部２１から突出するように遮音板２へ接続させるのがより好ましい。 Further, the soundproof panel 1 is connected by abutting the vibration control portion 62 of the vibration control member 6 so as to press the plate surface of the connection portion 22 of the sound insulation plate 2, but the present invention is not limited to this. The vibration control portion 62 of the vibration control member 6 may be connected so as to pull the connection portion 22 in the thickness direction.
In such a case, the vibration control portion 62 of the vibration control member 6 is connected to the connection portion 22 by a joining method such as adhesion, welding, engagement, screwing, or riveting, and the connection portion is connected. 22 can be pulled.
Even when the vibration control member 6 is attached so as to pull the connection portion 22 of the sound insulation plate 2, the same effect as when the vibration control member 6 is attached so as to press the connection portion 22 can be obtained. Further, when the vibration control member 6 is connected and attached so as to pull the connection portion 22 of the sound insulation plate 2, the sound insulation plate 2 is attached in the same manner as when the vibration control member 6 is attached so as to press the connection portion 22. It is preferable to connect the connecting portion 22 pulled with a size of 0.1% or more with respect to the size of the long side to the sound insulation plate 2 so as to protrude from each edge portion 21, and the size is 0.2% or more. It is more preferable that the connecting portion 22 is connected to the sound insulating plate 2 so as to protrude from each edge portion 21. Further, the vibration control member 6 is attached to the sound insulation plate 2 so that the connecting portion 22 pulled by 0.2% or more of the size of the short side of the sound insulation plate 2 protrudes from each edge portion 21. It is preferable to connect them, and it is more preferable to connect them to the sound insulating plate 2 so that the connecting portion 22 has a size of 0.4% or more and protrudes from each edge portion 21.

１ 防音パネル
２ 遮音板
２１ 縁部
２２ 接続部
３ 横枠材
３１ 保持部
３５ 係合部
４ 縦枠材
４１ 保持部
４２ 取付部
４３ 貫通孔
５ 吸音材
５１ 挿通部
６ 制震部材
６１ 連結部
６２ 制震部

1 Soundproof panel 2 Sound insulation plate 21 Edge part 22 Connection part 3 Horizontal frame material 31 Holding part 35 Engaging part 4 Vertical frame material 41 Holding part 42 Mounting part 43 Through hole 5 Sound absorbing material 51 Insertion part 6 Vibration control member 61 Connecting part 62 Seismic control department

Claims (3)

遮音板と、該遮音板の外周を囲う枠体とを備える防音パネルであって、
前記遮音板には該遮音板の板面を押圧する制震部材が接続する接続部を備え、
前記遮音板は前記制震部材によって前記接続部の振動が抑制されると共に、前記枠体によって縁部の振動が抑制されており、
前記遮音板は、前記制震部材による押圧によって、前記接続部が縁部よりも厚み方向へ突出するように変形していることを特徴とする防音パネル。 A soundproof panel including a soundproof plate and a frame body surrounding the outer periphery of the soundproof plate.
The sound insulation plate is provided with a connecting portion to which a vibration control member that presses the plate surface of the sound insulation plate is connected.
In the sound insulating plate, the vibration of the connecting portion is suppressed by the vibration damping member, and the vibration of the edge portion is suppressed by the frame body .
The soundproof panel is a soundproof panel characterized in that the connection portion is deformed so as to protrude in the thickness direction from the edge portion by pressing by the vibration control member. 前記遮音板は厚み方向へ間隔をあけて複数配置されており、
前記制震部材は前記各遮音板の各接続部へ接続して、各遮音板の間に架け渡されるように取り付けられていることを特徴とする請求項１に記載の防音パネル。 A plurality of the sound insulation plates are arranged at intervals in the thickness direction.
The soundproof panel according to claim 1 , wherein the vibration control member is connected to each connection portion of each sound insulation plate and is attached so as to be bridged between the sound insulation plates. 前記各遮音板の各接続部は、前記制震部材による押圧によって、前記縁部よりも厚み方向外側へ突出するようにそれぞれ変形していることを特徴とする請求項２に記載の防音パネル。 Each connection part of each sound insulating plate, acoustic panel of claim 2, wherein the pressing by vibration control member, characterized in that it deformed respectively to protrude in the thickness direction outward from the edge.
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