JPS6360974U - - Google Patents
Info
- Publication number
- JPS6360974U JPS6360974U JP15560686U JP15560686U JPS6360974U JP S6360974 U JPS6360974 U JP S6360974U JP 15560686 U JP15560686 U JP 15560686U JP 15560686 U JP15560686 U JP 15560686U JP S6360974 U JPS6360974 U JP S6360974U
- Authority
- JP
- Japan
- Prior art keywords
- transmitting material
- pressure transmitting
- acoustic
- ultrasonic transducer
- outer peripheral
- 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
- 239000000463 material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000005855 radiation Effects 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案による水中超音波送受波器を示
す縦断面図、第２図は本考案による他の構成例を
示す縦断面図、第３図、第４図は円筒状振動子を
用いた水中超音波送受波器の従来の構成例であり
、ａ，ｂはそれぞれ斜視図、縦断面図を示す。
１：円筒状振動子、２，２′：電極、３：水密
ケーブル、５：ゴム状弾性体、９：圧力伝達材層
、１１：水密栓、１２：空気室、１３：ストツパ
、１４：緩衝材、１５：中継端子。
Fig. 1 is a longitudinal cross-sectional view showing an underwater ultrasonic transducer according to the present invention, Fig. 2 is a longitudinal cross-sectional view showing another configuration example according to the present invention, and Figs. 3 and 4 use a cylindrical transducer. This is an example of a conventional configuration of an underwater ultrasonic transducer, in which a and b respectively show a perspective view and a vertical cross-sectional view. 1: Cylindrical vibrator, 2, 2': Electrode, 3: Watertight cable, 5: Rubber-like elastic body, 9: Pressure transmission material layer, 11: Watertight plug, 12: Air chamber, 13: Stopper, 14: Buffer Material, 15: Relay terminal.
Claims (1)
周波数で使用される一つ以上の円筒状振動子によ
り構成される水中超音波送受波器において、前記
円筒状振動子の少なくとも外周面上に、樹脂によ
る非圧縮性の圧力伝達材により、前記所定の周波
数における前記圧力伝達材中の音波伝搬波長の４
分の１ないし１６分の３程度の厚さで、前記振動
子と音響エネルギーの放射媒体である水とのそれ
ぞれの固有音響インピーダンスの自乗平均値程度
の固有音響インピーダンス特性値を有する圧力伝
達材層を形成することを特徴とした水中超音波送
受波器。 In an underwater ultrasonic transducer composed of one or more cylindrical transducers whose outer peripheral surface is used as an acoustic energy radiation surface at a predetermined frequency, at least the outer peripheral surface of the cylindrical transducer is coated with resin. The incompressible pressure transmitting material allows the acoustic wave propagation wavelength in the pressure transmitting material at the predetermined frequency to be
A pressure transmitting material layer having a thickness of about 1/3 to 3/16 and having a characteristic acoustic impedance characteristic value of about the root mean square value of the respective characteristic acoustic impedances of the vibrator and water which is a radiation medium of acoustic energy. An underwater ultrasonic transducer characterized by forming a
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15560686U JPS6360974U (en) | 1986-10-13 | 1986-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15560686U JPS6360974U (en) | 1986-10-13 | 1986-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6360974U true JPS6360974U (en) | 1988-04-22 |
Family
ID=31076457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15560686U Pending JPS6360974U (en) | 1986-10-13 | 1986-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6360974U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS617800A (en) * | 1984-06-22 | 1986-01-14 | Nippon Gakki Seizo Kk | Hearing aid |
-
1986
- 1986-10-13 JP JP15560686U patent/JPS6360974U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS617800A (en) * | 1984-06-22 | 1986-01-14 | Nippon Gakki Seizo Kk | Hearing aid |
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