JPS6168108U - - Google Patents
Info
- Publication number
- JPS6168108U JPS6168108U JP12558885U JP12558885U JPS6168108U JP S6168108 U JPS6168108 U JP S6168108U JP 12558885 U JP12558885 U JP 12558885U JP 12558885 U JP12558885 U JP 12558885U JP S6168108 U JPS6168108 U JP S6168108U
- Authority
- JP
- Japan
- Prior art keywords
- plate
- sound
- sound absorbing
- porous sintered
- absorbing units
- 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.)
- Granted
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 1
Landscapes
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Description
第１図は本考案の一つの実施例に係る防音壁の
正面図、第２図は第１図のＡ−Ａ線上の横断面図
、第３図は第２図のイ部分の拡大図、第４図は周
波数と吸音率の関係を示すグラフである。
符号１……多孔質焼結板、２，２ａ……エアー
スペース、３……しや音板、４……型枠、５……
開孔板、ａ，ｂ，ｃ……吸音ユニツト。
FIG. 1 is a front view of a soundproof wall according to an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1, and FIG. 3 is an enlarged view of part A in FIG. FIG. 4 is a graph showing the relationship between frequency and sound absorption coefficient. Code 1...Porous sintered plate, 2, 2a...Air space, 3...Shiya tone plate, 4...Formwork, 5...
Perforated plate, a, b, c... sound absorption unit.
Claims (1)
しや音板３と平行にアルミニウムの多孔質焼結板
１を設けて、この多孔質焼結板１としや音板３と
の間に、横断面が略々方形状であつて幅ｌ１，ｌ
２，ｌ３が相違するエアースペース２でなる複数
個の吸音ユニツトａ，ｂ，ｃを具え、これら複数
個の吸音ユニツトａ，ｂ，ｃを、隣接かつ直列で
しかも幅ｌ１，ｌ２，ｌ３がｌ１＞ｌ２＞ｌ３に
なるよう配置し、これら吸音ユニツトａ，ｂ，ｃ
の前面には、各吸音ユニツトのしや音板３と平行
でかつ前記多孔質焼結板１の前面から離して開孔
板５を設け、複数個の吸音ユニツトを一体化させ
て成ることを特徴とする防音壁。 A porous sintered aluminum plate 1 is provided in parallel with the sound plate 3 in front of the sound plate 3 arranged approximately vertically, and the porous sintered plate 1 and the sound plate 3 are connected to each other. In between, the cross section is approximately rectangular and the widths l 1 and l
A plurality of sound absorbing units a, b, c are provided with air spaces 2 having different widths l 1 , l 2 , l 2 , l 3 . These sound absorbing units a, b, c are arranged so that l 3 is l 1 > l 2 > l 3 .
A perforated plate 5 is provided on the front surface of each sound absorbing unit in parallel with the sound plate 3 of each sound absorbing unit and apart from the front face of the porous sintered plate 1, thereby making it possible to integrate a plurality of sound absorbing units. Features a soundproof wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985125588U JPH0312810Y2 (en) | 1985-08-15 | 1985-08-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985125588U JPH0312810Y2 (en) | 1985-08-15 | 1985-08-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6168108U true JPS6168108U (en) | 1986-05-10 |
| JPH0312810Y2 JPH0312810Y2 (en) | 1991-03-26 |
Family
ID=30684284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985125588U Expired JPH0312810Y2 (en) | 1985-08-15 | 1985-08-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312810Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213007A (en) * | 1975-07-22 | 1977-02-01 | Toyota Motor Corp | Internal combustion engine is partially arranged by a by-combustion ch amber with no intake valve |
| JPS5243711A (en) * | 1975-10-03 | 1977-04-06 | Japanese National Railways<Jnr> | Sound absorbing material and its unit having excellent weather resista nce, pressure resisting strength and heat resistance |
-
1985
- 1985-08-15 JP JP1985125588U patent/JPH0312810Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213007A (en) * | 1975-07-22 | 1977-02-01 | Toyota Motor Corp | Internal combustion engine is partially arranged by a by-combustion ch amber with no intake valve |
| JPS5243711A (en) * | 1975-10-03 | 1977-04-06 | Japanese National Railways<Jnr> | Sound absorbing material and its unit having excellent weather resista nce, pressure resisting strength and heat resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0312810Y2 (en) | 1991-03-26 |
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