JPH01136430U - - Google Patents
Info
- Publication number
- JPH01136430U JPH01136430U JP3197388U JP3197388U JPH01136430U JP H01136430 U JPH01136430 U JP H01136430U JP 3197388 U JP3197388 U JP 3197388U JP 3197388 U JP3197388 U JP 3197388U JP H01136430 U JPH01136430 U JP H01136430U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrator
- stopper
- piezoelectric
- polarized
- glued
- 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
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は従来の例を示す斜視図、第２図はその
回路図、第３図はその出力特性図、第４図は本考
案の一実施例を示す断面図である。
７，７′……弾性体層、８……ストツパ、１１
……金属薄板、１２……圧電セラミツクス板。
FIG. 1 is a perspective view showing a conventional example, FIG. 2 is a circuit diagram thereof, FIG. 3 is an output characteristic diagram thereof, and FIG. 4 is a sectional view showing an embodiment of the present invention. 7, 7'...Elastic layer, 8...Stopper, 11
...Thin metal plate, 12...Piezoelectric ceramic plate.
Claims (1)
方向に分極された圧電セラミツクス薄板を接着し
、一方の端部を支持台に固定して構成した圧電振
動子によつて外部から加えられた振動を検出する
振動センサにおいて、圧電振動子が所定のたわみ
量以上たわまないように、表面にゴム系の軟弾性
体の層を形成したストツパを設けたことを特徴と
する振動センサ。 A piezoelectric ceramic thin plate with electrodes formed on both sides and polarized in the thickness direction is glued to a part of a thin metal plate, and one end is fixed to a support. 1. A vibration sensor for detecting vibration caused by a piezoelectric vibrator, characterized in that a stopper is provided on the surface of which a layer of a rubber-based soft elastic material is formed to prevent the piezoelectric vibrator from deflecting beyond a predetermined deflection amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3197388U JPH01136430U (en) | 1988-03-10 | 1988-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3197388U JPH01136430U (en) | 1988-03-10 | 1988-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01136430U true JPH01136430U (en) | 1989-09-19 |
Family
ID=31258236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3197388U Pending JPH01136430U (en) | 1988-03-10 | 1988-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136430U (en) |
-
1988
- 1988-03-10 JP JP3197388U patent/JPH01136430U/ja active Pending
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