JPH0432019U - - Google Patents
Info
- Publication number
- JPH0432019U JPH0432019U JP7513990U JP7513990U JPH0432019U JP H0432019 U JPH0432019 U JP H0432019U JP 7513990 U JP7513990 U JP 7513990U JP 7513990 U JP7513990 U JP 7513990U JP H0432019 U JPH0432019 U JP H0432019U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- wind speed
- electrostrictive
- diaphragm
- metal substrate
- 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
- 239000002184 metal Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
Landscapes
- Measuring Volume Flow (AREA)
Description
添付図面は本考案の実施例を示し、第１図は第
一実施例の縦断側面図、第２図は電歪振動板１の
斜視図、第３図は第二実施例の縦断側面図、第４
図は従来構成の縦断側面図である。
１……電歪振動板、２……金属製基板、３……
圧電素子板、６……ホルダー、１０……ブレード
、１１……圧電検出層、２１……電歪振動板、２
２……金属製基板、２３……圧電素子板、２４…
…圧電素子板、２５……ブレード。
The accompanying drawings show embodiments of the present invention; FIG. 1 is a longitudinal sectional side view of the first embodiment, FIG. 2 is a perspective view of the electrostrictive diaphragm 1, and FIG. 3 is a longitudinal sectional side view of the second embodiment. Fourth
The figure is a longitudinal sectional side view of a conventional configuration. 1... Electrostrictive diaphragm, 2... Metal substrate, 3...
Piezoelectric element plate, 6... Holder, 10... Blade, 11... Piezoelectric detection layer, 21... Electrostrictive diaphragm, 2
2... Metal substrate, 23... Piezoelectric element plate, 24...
...Piezoelectric element plate, 25...blade.
Claims (1)
成された圧電素子板を貼着してなり、該圧電素子
板に交番電圧を印加することにより湾曲振動する
電歪振動板と、該電歪振動板から延設した気流に
対向するブレードと、振動系の振幅を検出する圧
電検出層とを備え、圧電検出層からの信号出力に
基づき風速を算出する風速センサーにおいて、前
記金属製基板を延出して、該延出部をブレードと
したことを特徴とする圧電式風速センサー。 An electrostrictive diaphragm comprising a piezoelectric element plate having electrodes formed on the front and back sides attached to at least one surface of a metal substrate, and which vibrates in a curved manner by applying an alternating voltage to the piezoelectric element plate, and the electrostrictive diaphragm A wind speed sensor that includes a blade facing the airflow extending from the base and a piezoelectric detection layer that detects the amplitude of a vibration system, and that calculates wind speed based on a signal output from the piezoelectric detection layer, wherein the metal substrate is extended. , A piezoelectric wind speed sensor characterized in that the extending portion is a blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7513990U JPH0432019U (en) | 1990-07-12 | 1990-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7513990U JPH0432019U (en) | 1990-07-12 | 1990-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0432019U true JPH0432019U (en) | 1992-03-16 |
Family
ID=31615454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7513990U Pending JPH0432019U (en) | 1990-07-12 | 1990-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432019U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60250259A (en) * | 1984-05-26 | 1985-12-10 | Nippon Denso Co Ltd | Flow velocity detector |
-
1990
- 1990-07-12 JP JP7513990U patent/JPH0432019U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60250259A (en) * | 1984-05-26 | 1985-12-10 | Nippon Denso Co Ltd | Flow velocity detector |