JPH026281U - - Google Patents
Info
- Publication number
- JPH026281U JPH026281U JP8451388U JP8451388U JPH026281U JP H026281 U JPH026281 U JP H026281U JP 8451388 U JP8451388 U JP 8451388U JP 8451388 U JP8451388 U JP 8451388U JP H026281 U JPH026281 U JP H026281U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- acoustic impedance
- specific acoustic
- cylindrical piezoelectric
- approximately
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
Description
第１図は本考案の超音波送受波器の実施例を示
す構造図、第２図は従来の超音波送受波器の構造
を示す図である。
図において１，１―１，１―２は円筒形圧電子
、２，２―１〜２―３はスペーサ、３はフランジ
、４は反射板、５は支柱、６は内部油、７はゴム
ブーツ、８は端子部、９は電線、１０―１，１０
―２はボルト、２０は凹部、２１はパイプ部であ
る。
FIG. 1 is a structural diagram showing an embodiment of the ultrasonic transducer of the present invention, and FIG. 2 is a diagram showing the structure of a conventional ultrasonic transducer. In the figure, 1, 1-1, 1-2 are cylindrical piezoelectric elements, 2, 2-1 to 2-3 are spacers, 3 is a flange, 4 is a reflector, 5 is a column, 6 is an internal oil, and 7 is a rubber boot. , 8 is a terminal part, 9 is an electric wire, 10-1, 10
-2 is a bolt, 20 is a recessed portion, and 21 is a pipe portion.
Claims (1)
高さ方向に積み重ね、周囲をブーツで囲み、該圧
電子の内外を油で満たした超音波送受波器におい
て、 前記積み重ねた円筒形圧電子の上下及び各円筒
形圧電子相互間にそれぞれ設置する前記油とほぼ
同じ値の固有音響インピーダンスをもつスペーサ
と、 前記スペーサを前記積み重ねた複数の円筒形圧
電子の内部を貫通して、前記油よりも固有音響イ
ンピーダンスの値の高い反射板に固定する、前記
油とほぼ同じ値の固有音響インピーダンスをもつ
ボルトとを備えた円筒形圧電子の保持構造を有す
ることを特徴とする超音波送受波器。[Scope of Claim for Utility Model Registration] In an ultrasonic transducer in which a plurality of cylindrical piezoelectric elements with vertical openings are stacked in the height direction of the cylinder, surrounded by boots, and the inside and outside of the piezoelectric elements are filled with oil. , a spacer having a specific acoustic impedance approximately the same value as the oil, which is installed above and below the stacked cylindrical piezoelectric elements and between each cylindrical piezoelectric element; and a spacer having a specific acoustic impedance of approximately the same value as the oil; and a cylindrical piezoelectric holding structure having a bolt having a specific acoustic impedance approximately the same as that of the oil, the bolt passing through the interior and fixing to a reflecting plate having a specific acoustic impedance higher than that of the oil. An ultrasonic transducer featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8451388U JPH026281U (en) | 1988-06-28 | 1988-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8451388U JPH026281U (en) | 1988-06-28 | 1988-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH026281U true JPH026281U (en) | 1990-01-16 |
Family
ID=31309199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8451388U Pending JPH026281U (en) | 1988-06-28 | 1988-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH026281U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59139789A (en) * | 1982-12-02 | 1984-08-10 | マグナボツクス・ガバ−ンメント・エンド・インダストリアル・エレクトロニクス・コンパニ− | Phase matching array transducer |
-
1988
- 1988-06-28 JP JP8451388U patent/JPH026281U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59139789A (en) * | 1982-12-02 | 1984-08-10 | マグナボツクス・ガバ−ンメント・エンド・インダストリアル・エレクトロニクス・コンパニ− | Phase matching array transducer |
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