JPH0421823U - - Google Patents
Info
- Publication number
- JPH0421823U JPH0421823U JP6016190U JP6016190U JPH0421823U JP H0421823 U JPH0421823 U JP H0421823U JP 6016190 U JP6016190 U JP 6016190U JP 6016190 U JP6016190 U JP 6016190U JP H0421823 U JPH0421823 U JP H0421823U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- fixed
- piezoelectric element
- outer periphery
- vibration detector
- 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
- 238000001514 detection method Methods 0.000 claims description 2
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図はこの考案の一実施例の要部平面図、第
２図は従来の振動検出器の一部断面正面図、第３
図は同じく要部平面図である。
３……圧電素子、７……振動検出部、１２……
振動板、１２ｂ……外周部、１２ｃ……切欠き部
。なお、各図中、同一符号は同一又は相当部分を
示す。
Fig. 1 is a plan view of the essential parts of an embodiment of this invention, Fig. 2 is a partially sectional front view of a conventional vibration detector, and Fig. 3 is a partially sectional front view of a conventional vibration detector.
The figure is also a plan view of the main part. 3...Piezoelectric element, 7...Vibration detection section, 12...
Vibration plate, 12b...outer circumferential part, 12c...notch part. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
を形成し、前記振動板の外周部を固定して組付け
た振動検出器において、前記外周部の全周で固定
され、前記外周部の内側に複数個の切欠き部が形
成されている前記振動板を備えてなることを特徴
とする振動検出器。 In a vibration detector in which a plate-shaped piezoelectric element is fixed to a diaphragm to form a vibration detection part, and the outer periphery of the diaphragm is fixed and assembled, the piezoelectric element is fixed around the entire periphery of the diaphragm, and the outer periphery is fixed. A vibration detector comprising the diaphragm having a plurality of notches formed inside the diaphragm.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6016190U JPH0421823U (en) | 1990-06-08 | 1990-06-08 | |
| KR1019910003496A KR930009516B1 (en) | 1990-04-27 | 1991-03-04 | Vibration detector |
| DE4113545A DE4113545C2 (en) | 1990-04-27 | 1991-04-25 | Accelerometer |
| US07/692,344 US5226325A (en) | 1990-04-27 | 1991-04-26 | Acceleration detector with radial arm diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6016190U JPH0421823U (en) | 1990-06-08 | 1990-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0421823U true JPH0421823U (en) | 1992-02-24 |
Family
ID=31587284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6016190U Pending JPH0421823U (en) | 1990-04-27 | 1990-06-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421823U (en) |
-
1990
- 1990-06-08 JP JP6016190U patent/JPH0421823U/ja active Pending