JPS6379518U - - Google Patents
Info
- Publication number
- JPS6379518U JPS6379518U JP17460086U JP17460086U JPS6379518U JP S6379518 U JPS6379518 U JP S6379518U JP 17460086 U JP17460086 U JP 17460086U JP 17460086 U JP17460086 U JP 17460086U JP S6379518 U JPS6379518 U JP S6379518U
- Authority
- JP
- Japan
- Prior art keywords
- cam mechanism
- leaf spring
- fixed
- contact surface
- vibrating
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の１実施例を示す縦断面図、第
２図は第１図における各素子の間の配置を示す説
明図、第３図は本考案の第２の実施例を示す縦断
面図、第４図は従来の振動式変位センサの構成を
示す縦断面図、第５図は従来の他の振動式変位セ
ンサの構成を示す縦断面図である。
１０……操作バルブ、１１……レバー、１２…
…片持梁、１５……増幅器、１６……偏心カム、
１７……ベアリング、１８……片持梁、１８３…
…板ばね部、１８４……振動部、Ｓ１，Ｓ２……
圧電素子。
Fig. 1 is a longitudinal cross-sectional view showing one embodiment of the present invention, Fig. 2 is an explanatory diagram showing the arrangement between the elements in Fig. 1, and Fig. 3 is a longitudinal cross-sectional view showing a second embodiment of the present invention. 4 is a longitudinal sectional view showing the configuration of a conventional vibration type displacement sensor, and FIG. 5 is a longitudinal sectional view showing the configuration of another conventional vibration type displacement sensor. 10...operation valve, 11...lever, 12...
...Cantilever, 15...Amplifier, 16...Eccentric cam,
17...Bearing, 18...Cantilever, 183...
...Plate spring part, 184...Vibration part, S 1 , S 2 ...
Piezoelectric element.
Claims (1)
された板ばね部と、前記片持梁の一部に形成され
た振動部と、この振動部の両端に固定された一対
の圧電素子と、これ等の圧電素子が入力端と出力
端に接続されて発振回路を形成する増幅手段と、
前記板ばね部に変位を与えるカム機構とからなり
、前記片持梁が前記カム機構の部分に当る当接面
から前記振動部の中心までの距離と前記当接面か
ら前記板ばね部の中心までの距離の比がほぼ１対
２になるように前記カム機構の部分を配置し、前
記変位に対応した出力を前記増幅手段から取り出
すことを特徴とする振動式変位センサ。 A leaf spring part formed near a fixed part of a cantilever beam having one end fixed, a vibrating part formed in a part of the cantilever beam, and a pair of piezoelectric elements fixed to both ends of the vibrating part. and an amplifying means in which these piezoelectric elements are connected to an input end and an output end to form an oscillation circuit,
a cam mechanism for displacing the leaf spring part, the distance from the contact surface where the cantilever hits the cam mechanism part to the center of the vibrating part, and the distance from the contact surface to the center of the leaf spring part. A vibration type displacement sensor characterized in that the cam mechanism portion is arranged so that the ratio of the distances to the cam mechanism is approximately 1:2, and an output corresponding to the displacement is taken out from the amplification means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17460086U JPH0416892Y2 (en) | 1986-11-13 | 1986-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17460086U JPH0416892Y2 (en) | 1986-11-13 | 1986-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6379518U true JPS6379518U (en) | 1988-05-26 |
| JPH0416892Y2 JPH0416892Y2 (en) | 1992-04-15 |
Family
ID=31113137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17460086U Expired JPH0416892Y2 (en) | 1986-11-13 | 1986-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416892Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005090663A (en) * | 2003-09-18 | 2005-04-07 | Ogura Clutch Co Ltd | Space type electromagnetic braking device |
| JP2010502989A (en) * | 2006-09-11 | 2010-01-28 | フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー | Device for determining the position of an actuator |
-
1986
- 1986-11-13 JP JP17460086U patent/JPH0416892Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005090663A (en) * | 2003-09-18 | 2005-04-07 | Ogura Clutch Co Ltd | Space type electromagnetic braking device |
| JP4529114B2 (en) * | 2003-09-18 | 2010-08-25 | 小倉クラッチ株式会社 | Air gap type electromagnetic braking device |
| JP2010502989A (en) * | 2006-09-11 | 2010-01-28 | フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー | Device for determining the position of an actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416892Y2 (en) | 1992-04-15 |