JPS62119629U - - Google Patents
Info
- Publication number
- JPS62119629U JPS62119629U JP585586U JP585586U JPS62119629U JP S62119629 U JPS62119629 U JP S62119629U JP 585586 U JP585586 U JP 585586U JP 585586 U JP585586 U JP 585586U JP S62119629 U JPS62119629 U JP S62119629U
- Authority
- JP
- Japan
- Prior art keywords
- balloon
- duct
- attached
- sound insulating
- insulating wall
- 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
- 239000013013 elastic material Substances 0.000 claims description 2
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
図面は本考案の技術的内容を示すものであつて
、第１図は本考案によるものの要部構成を示した
断面図、第２図は従来のものについてその全般的
構成関係を示した側面図、第３図はその計測手段
取付部分についての断面図である。
然してこれらの図面において、１はマイクロホ
ンのような計測手段、２は風船、３は遮音壁、４
は弾性材、１０はダクト、１０ａはダクト壁、１
１は開口部を示すものである。
The drawings show the technical content of the present invention; Fig. 1 is a cross-sectional view showing the main structure of the invention, and Fig. 2 is a side view showing the general structural relationship of the conventional one. , FIG. 3 is a cross-sectional view of the part where the measuring means is attached. However, in these drawings, 1 is a measuring means such as a microphone, 2 is a balloon, 3 is a sound insulating wall, and 4 is a measuring means such as a microphone.
is an elastic material, 10 is a duct, 10a is a duct wall, 1
1 indicates an opening.
Claims (1)
船内にマイクロホンのような計測手段を封入し、
しかも前記風船を遮音壁で被覆し、該遮音壁をダ
クト外壁に対し弾性材によつて取付けたことを特
徴とするダクト内騒音測定装置。 A balloon is attached to an opening formed in the duct, and a measuring means such as a microphone is enclosed within the balloon,
Moreover, the duct internal noise measuring device is characterized in that the balloon is covered with a sound insulating wall, and the sound insulating wall is attached to the outer wall of the duct with an elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP585586U JPS62119629U (en) | 1986-01-21 | 1986-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP585586U JPS62119629U (en) | 1986-01-21 | 1986-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62119629U true JPS62119629U (en) | 1987-07-29 |
Family
ID=30787827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP585586U Pending JPS62119629U (en) | 1986-01-21 | 1986-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62119629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0376499A (en) * | 1989-08-18 | 1991-04-02 | Hitachi Plant Eng & Constr Co Ltd | Microphone unit |
| KR100435640B1 (en) * | 2000-12-19 | 2004-06-12 | 현대자동차주식회사 | Surface noise measurement device microphone adapter without self-noise generation |
-
1986
- 1986-01-21 JP JP585586U patent/JPS62119629U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0376499A (en) * | 1989-08-18 | 1991-04-02 | Hitachi Plant Eng & Constr Co Ltd | Microphone unit |
| KR100435640B1 (en) * | 2000-12-19 | 2004-06-12 | 현대자동차주식회사 | Surface noise measurement device microphone adapter without self-noise generation |