JPH01190853A - Noise isolating panel - Google Patents
Noise isolating panelInfo
- Publication number
- JPH01190853A JPH01190853A JP1486788A JP1486788A JPH01190853A JP H01190853 A JPH01190853 A JP H01190853A JP 1486788 A JP1486788 A JP 1486788A JP 1486788 A JP1486788 A JP 1486788A JP H01190853 A JPH01190853 A JP H01190853A
- Authority
- JP
- Japan
- Prior art keywords
- cell structure
- sound insulation
- panel
- rigidity
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 29
- 230000000694 effects Effects 0.000 abstract description 22
- 239000005011 phenolic resin Substances 0.000 abstract description 6
- 239000011162 core material Substances 0.000 description 22
- 239000000123 paper Substances 0.000 description 10
- 238000005470 impregnation Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 229920001568 phenolic resin Polymers 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B2001/742—Use of special materials; Materials having special structures or shape
- E04B2001/748—Honeycomb materials
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、建築用パネルとしての強度を備えた軽量パネ
ルであって、高遮音を得ることができる遮音パネルに関
するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a sound insulation panel that is a lightweight panel that has the strength as a construction panel and that can provide high sound insulation.
交通機関や工場の生産施設の発達に伴う発生騒音の増大
や、集合住宅などの密集化等の理由により、近年、生活
環境、作業環境の騒音防止が重要な問題となってきてい
る。BACKGROUND OF THE INVENTION In recent years, noise prevention in living and working environments has become an important issue due to the increase in noise generated due to the development of transportation systems and factory production facilities, as well as the increasing density of housing complexes.
このため、騒音防止の手段として種々の遮音パネルが用
いられているが、満足できる遮音性能は得られていない
のが現状である。For this reason, various sound insulation panels have been used as means for noise prevention, but at present, satisfactory sound insulation performance has not been achieved.
軽量で遮音性が大きいパネルとして、各種の芯材を挿入
したサンドインチ構造のパネルが現在使われている。し
かし、芯材としてグラスウールやウレタン等の多孔質吸
音材料を挿入した場合は、建築用パネルとしての強度不
足という問題がある。また、第６図に示すように、パネ
ルの強度を増すために、芯材として、ハニカムコアｌの
セル構造体を剛性の大きい開口方向（第２図のＺ方向）
が表面板２．３と垂直になるように配設した場合は、サ
ウンド・ブリッヂ効果のため遮音性が低下するという問
題があるまた、本願の発明者らが先に発明し、特願昭６
２−２２６９７４号として出願した遮音パネルは、表裏
板の間に紙などから成るハニカムコアやロールコア等の
セル構造体を、セル構造体の剛性の大きい方向が、表裏
板と平行になるように配設して成ることを特徴とするも
のであるから、主要音声領域（１００波４ＫＨｚ）でコ
インシデンス効果がおこりにくく、またサウンドブリッ
ヂもおこりにくいため、建築用パネルとしての強度を備
えた軽量高性能な遮音パネルを提供することができたも
のと考えられるが、建築用パネルとしてパネル厚さに制
限があるため、なお、低周波領域（１００Ｈｚ近傍）で
の遮音効果が低下するという問題があった。Sand inch-structured panels with various core materials inserted are currently used as panels that are lightweight and have great sound insulation properties. However, when a porous sound-absorbing material such as glass wool or urethane is inserted as a core material, there is a problem of insufficient strength as a construction panel. In addition, as shown in Fig. 6, in order to increase the strength of the panel, a cell structure of honeycomb core l is used as a core material in the opening direction (Z direction in Fig. 2) where it has greater rigidity.
If the surface plate 2.3 is arranged perpendicularly to the surface plate 2.3, there is a problem that the sound insulation performance is reduced due to the sound bridge effect.
The sound insulation panel filed as No. 2-226974 has a cell structure such as a honeycomb core or roll core made of paper or the like arranged between front and back plates so that the direction of the cell structure with greater rigidity is parallel to the front and back plates. Since it is characterized by being made of However, since there is a limit to the panel thickness as an architectural panel, there was still the problem that the sound insulation effect in the low frequency region (near 100 Hz) was reduced.
本発明は、上記事由に鑑みてなしたもので、その目的と
するところは、上述め本願発明者らの先の発明である建
築用パネルとしての強度を備えた軽量高性能遮音パネル
をさらに改良し、低周波数域の音響透過損失を向上させ
た遮音パネルを提供することにある。The present invention has been made in view of the above-mentioned reasons, and its purpose is to further improve the lightweight, high-performance sound insulating panel that has the strength as a construction panel, which was an earlier invention by the inventors. The object of the present invention is to provide a sound insulating panel with improved sound transmission loss in the low frequency range.
（構成）
本発明に係かる遮音パネルは、表面板の間に、紙などか
ら成るハニカムコアやロールコア等のセル構造体を、セ
ル構造体の剛性の大きい方向が、表裏板と平行になるよ
うに配設して成るパネルにおいて、セル構造体にフェノ
ール樹脂等の樹脂を含浸させることにより、低周波数域
の音響透過損失を向上させ、建築用パネルとしての強度
を備えた軽量パネルで、高遮音を得るものである。(Structure) In the sound insulating panel according to the present invention, a cell structure such as a honeycomb core or a roll core made of paper or the like is arranged between the front and back plates so that the direction in which the cell structure has greater rigidity is parallel to the front and back plates. By impregnating the cell structure with resin such as phenolic resin, we improve the sound transmission loss in the low frequency range and obtain high sound insulation with a lightweight panel that is strong enough to be used as a construction panel. It is something.
（実施例）
以下、本発明の実施例を第１図乃至第５図に基づいて説
明する。(Example) Hereinafter, an example of the present invention will be described based on FIGS. 1 to 5.
この遮音パネルは、表面板２．３を有し、この表面板２
．３は、鋼板よりなっている。表面板２．３は、縦９０
０ｍｍ、横９００ｏ＋ｍ、厚さ１．２ ｍｍである。This sound insulation panel has a surface plate 2.3, and this surface plate 2.3 has a surface plate 2.3.
．． 3 is made of steel plate. The surface plate 2.3 is vertically 90
0mm, width 900o+m, and thickness 1.2mm.
この表面板２．３でその間の間隔が５０ｍｍのサンドイ
ッチパネルを構成し、第３図に示すセル構造体であるペ
ーパーハニカムコア１を剛性の大きいコア方向が（第２
図のＺ方向が）表裏板２．３と平行になるように両者間
に配設し、ペーパーハニカムコア１を表面板２．３と接
着し、遮音パネルを構成している。ペーパーハニカムコ
ア１は、第２図に示スセルサイズｄ＝１２ｍｍであり、
クラフト紙でできている。本実施例においては、フェノ
ール樹脂の含浸率を１０．３０％と変化させた。含浸率
１０％の場合のペーパーハニカムコア１の短手方向Ｘ、
長手方向Ｙ、開口方向Ｚの各方向のヤング率はそれぞれ
、Ｅｘ＝２．２Ｘ１０３Ｎ／ｍ２、Ｅｙ＝４．２Ｘ’ｌ
Ｏ’ Ｎ／ｍ２、Ｅｚ＝３．３Ｘ１０’ Ｎ／ｍ２で
ある。含浸率を上げると各方向のヤング率はそれに応じ
て大きくなる。This surface plate 2.3 constitutes a sandwich panel with an interval of 50 mm between them, and the paper honeycomb core 1, which is a cell structure shown in FIG.
The paper honeycomb core 1 is arranged between the front and back plates 2.3 so that the Z direction in the figure is parallel to them, and is bonded to the front plate 2.3 to form a sound insulating panel. The paper honeycomb core 1 has a cell size d=12 mm as shown in FIG.
Made of kraft paper. In this example, the impregnation rate of the phenol resin was varied to 10.30%. The width direction X of the paper honeycomb core 1 when the impregnation rate is 10%,
Young's modulus in each direction of longitudinal direction Y and opening direction Z is Ex=2.2X103N/m2, Ey=4.2X'l
O'N/m2, Ez=3.3X10'N/m2. As the impregnation rate increases, the Young's modulus in each direction increases accordingly.
このようにして形成された含浸率０．１０．３０％のペ
ーパーハニカムコア１を用いた遮音パネルの遮音効果（
透過損失）をそれぞれ大３．４．５に示す。縦軸は透過
損失（ｄＢ）、横軸は周波数（Ｈｚ）である。第６図に
示す従来構成のパネルにおける遮音効果を示す第７図と
比較すると、含浸率にかかわらず２５０〜３ＫＨｚで高
性能の遮音効果が認められ、最大効果は、ＩＫＨｚで２
５ｄＢ程度向上している。含浸率にかかわらずペーパー
ハニカムコア１の強度等の増加によるものと思われる。The sound insulation effect of the sound insulation panel using the paper honeycomb core 1 with an impregnation rate of 0.10.30% (
Transmission loss) are shown in 3.4.5, respectively. The vertical axis represents transmission loss (dB), and the horizontal axis represents frequency (Hz). Comparing Figure 6 with Figure 7, which shows the sound insulation effect of a panel with a conventional configuration, a high-performance sound insulation effect is observed at 250 to 3KHz regardless of the impregnation rate, and the maximum effect is 2KHz at IKHz.
It has improved by about 5dB. This seems to be due to an increase in the strength of the paper honeycomb core 1 regardless of the impregnation rate.
また、フェノール樹脂含浸率０．１０．３０％の遮音効
果を比較すると、含浸率０１１０％の遮音効果はほぼ同
程度であるが、含浸率３０％になると低温域の遮音効果
が向上している。２００Ｈｚ以下で３ｄＢ程度向上して
いて、これは音のエネルギで言えば１／２になったこと
に相当し、発明者が問題としている低音域での遮音性能
が改善されているのである。Also, when comparing the sound insulation effect of phenolic resin impregnation rate of 0.10.30%, the sound insulation effect of impregnation rate of 0.110% is almost the same, but when the impregnation rate is 30%, the sound insulation effect in the low temperature range improves. . There is an improvement of about 3 dB below 200 Hz, which is equivalent to halving the sound energy, and the sound insulation performance in the low frequency range, which is a problem for the inventor, has been improved.
尚、建築物に影響を与える騒音の周波数は大体１０Ｋｚ
以下であり、この遮音パネルの遮音効果は十分といえる
。The frequency of noise that affects buildings is approximately 10Kz.
It can be said that the sound insulation effect of this sound insulation panel is sufficient.
また、第６図に示す従来構成のパネルの場合、表面板２
．３間のハニカムコア１の開口方向のヤング率はＥｚ”
３．３Ｘ１０’ Ｎ７ｍ”と最大であるため、パネルの
剛性が増し遮音効果が低減していたが、本実施例のよう
に、ハニカムコア１の剛性の大きな方向が表面板２．３
と平行な場合は、表面板２．３間のヤング率はＥｙ＝４
．２Ｘ１０３Ｎ／ｍ２と小さくなるため、パネルの剛性
が極度に大きくならず、主要音声領域（１００〜４ｋＨ
ｚ）で、コインシデンス効果が生じず、またサウンドブ
リッジが生じにくいので高遮音が得られ、さらに樹脂を
含浸させることにより質量効果等も加わり、低音域の遮
音効果が向上する。In addition, in the case of the conventional panel shown in FIG. 6, the top plate 2
．． The Young's modulus in the opening direction of the honeycomb core 1 between 3 is Ez"
3.3X10'N7m", which is the maximum, increases the rigidity of the panel and reduces the sound insulation effect. However, as in this example, the direction in which the rigidity of the honeycomb core 1 is large is the direction in which the surface plate 2.3
When parallel to , Young's modulus between surface plate 2.3 is Ey=4
．． Because it is as small as 2X103N/m2, the rigidity of the panel does not become extremely large, and it is suitable for the main audio range (100~4kHz).
With z), high sound insulation is obtained because no coincidence effect occurs and sound bridges are less likely to occur, and furthermore, by impregnating with resin, a mass effect etc. is added, improving the sound insulation effect in the low frequency range.
尚、上記実施例では、遮音パネルの表面板２．３材とし
て鋼板、芯材としてペーパーハニカムを例示したが、表
面板２．３としては、剛性を有する遮音板（例えば木製
の合板）であってもよく、また芯材としては、合成樹脂
等樹脂を含浸するセル構造体であれば、同様の効果を得
ることができる。樹脂としては、セル構造体の強度を適
度に上げることができるフェノール系樹脂が好ましい。In the above embodiment, a steel plate was used as the material for the surface plate 2.3 of the sound insulation panel, and a paper honeycomb was used as the core material. Moreover, the same effect can be obtained as long as the core material is a cell structure impregnated with a resin such as a synthetic resin. As the resin, a phenolic resin is preferred since it can appropriately increase the strength of the cell structure.
また、ハニカムコア１は、隣接するセルが一体となった
ものでなく、六角形の中空体を積重ねて形成したもので
も同等の効果を得られる。Moreover, the same effect can be obtained even if the honeycomb core 1 is formed by stacking hexagonal hollow bodies instead of integrating adjacent cells.
以上のように、本発明による遮音パネルは、表面板の間
に、紙などから成るハニカムコアやロールコア等のセル
構造体を、セル構造体の剛性の大きい方向が表面板と平
行となるように配設して成る遮音パネルにおいて、セル
構造体にフェノール樹脂を含浸させたことを特徴とする
ものであるから、剛性の小さいセル構造体の方向に適度
の強度を与えること等ができ、コインシデンス効果がお
こりにくく、かつザウンドブリッヂが生じにくく、また
、樹脂含浸のセル構造体の質量効果等も加わり、建築用
パネルとしての強度を備えた軽量高性能な遮音パネルと
なるAs described above, in the sound insulation panel according to the present invention, a cell structure such as a honeycomb core or a roll core made of paper or the like is arranged between the face plates so that the direction of the cell structure with high rigidity is parallel to the face plate. Since the sound insulation panel is characterized by impregnating the cell structure with phenolic resin, it is possible to provide appropriate strength in the direction of the cell structure, which has low rigidity, and a coincidence effect occurs. In addition, the mass effect of the resin-impregnated cell structure makes it a lightweight, high-performance sound insulating panel that is strong enough to be used as a construction panel.
第１図は本発明の一実施例の部分断面斜視図を示し、第
２図は同上の部分拡大斜視図を示し、第３図□乃至第５
図はその遮音効果を示すグラフである。
第６図は従来例の部分断面斜視図、第７図はその遮音効
果を示すグラフである。
１−ハニカムコア
２．３−表面板FIG. 1 shows a partially sectional perspective view of one embodiment of the present invention, FIG. 2 shows a partially enlarged perspective view of the same, and FIGS.
The figure is a graph showing the sound insulation effect. FIG. 6 is a partial cross-sectional perspective view of the conventional example, and FIG. 7 is a graph showing its sound insulation effect. 1-Honeycomb core 2.3-Surface plate
Claims (1)
コア等のセル構造体を、セル構造体の剛性の大きい方向
が、表面板と平行になるように配設して成る遮音パネル
において、セル構造体に樹脂を含浸させたことを特徴と
する遮音パネル。(1) In a sound insulating panel in which a cell structure such as a honeycomb or a roll core made of paper or the like is arranged between the face plates so that the direction of the cell structure with greater rigidity is parallel to the face plate, the cell structure A sound insulation panel whose body is impregnated with resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1486788A JPH01190853A (en) | 1988-01-26 | 1988-01-26 | Noise isolating panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1486788A JPH01190853A (en) | 1988-01-26 | 1988-01-26 | Noise isolating panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01190853A true JPH01190853A (en) | 1989-07-31 |
Family
ID=11872973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1486788A Pending JPH01190853A (en) | 1988-01-26 | 1988-01-26 | Noise isolating panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01190853A (en) |
-
1988
- 1988-01-26 JP JP1486788A patent/JPH01190853A/en active Pending
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