JPS63228U - - Google Patents
Info
- Publication number
- JPS63228U JPS63228U JP9347886U JP9347886U JPS63228U JP S63228 U JPS63228 U JP S63228U JP 9347886 U JP9347886 U JP 9347886U JP 9347886 U JP9347886 U JP 9347886U JP S63228 U JPS63228 U JP S63228U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- main body
- vibration pickup
- weight
- tilted
- 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 3
- 239000013013 elastic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000001845 vibrational spectrum Methods 0.000 description 1
Description
第１図は本考案になる振動ピツクアツプの一実
施例の斜視図、第２図は第１図中―線に沿う
縦断面図、第３図は直交座標を用いて振動検出方
向を説明するための図、第４図は機械振動スペク
トラムの線図、第５図はＣＤプレーヤの光学式検
出部のサーボ抑圧領域を示す線図、第６図は振動
ピツクアツプの下限特性と上限特性の共振周波数
を示す線図、第７図は第６図に対応する下限特性
と上限特性のピーク量を示す線図である。
１…振動ピツクアツプ、２…本体、４…ダンパ
、５…バイモルフ圧電素子、６…錘。
Fig. 1 is a perspective view of an embodiment of the vibration pickup according to the present invention, Fig. 2 is a vertical cross-sectional view taken along the line - in Fig. 1, and Fig. 3 is for explaining the vibration detection direction using orthogonal coordinates. Figure 4 is a diagram of the mechanical vibration spectrum, Figure 5 is a diagram showing the servo suppression area of the optical detection section of a CD player, and Figure 6 is a diagram showing the resonance frequency of the lower limit and upper limit characteristics of the vibration pickup. The diagram shown in FIG. 7 is a diagram showing the peak amounts of the lower limit characteristic and the upper limit characteristic corresponding to FIG. 6. 1... Vibration pickup, 2... Main body, 4... Damper, 5... Bimorph piezoelectric element, 6... Weight.
Claims (1)
子の基部を弾性材を介して被測定物に固定する本
体で保持してなり該圧電素子の出力信号より該被
測定物の振動を検出する振動ピツクアツプにおい
て、該圧電素子をその長手方向の中心を軸として
該本体の取付面に対して３０〜６０度の範囲の角
度で傾斜させてなる振動ピツクアツプ。 A weight is provided at the tip of a plate-shaped piezoelectric element, and the base of the piezoelectric element is held by a main body that is fixed to the object to be measured through an elastic material. A vibration pickup for detection, in which the piezoelectric element is tilted at an angle in the range of 30 to 60 degrees with respect to the mounting surface of the main body with its longitudinal center as an axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9347886U JPS63228U (en) | 1986-06-19 | 1986-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9347886U JPS63228U (en) | 1986-06-19 | 1986-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63228U true JPS63228U (en) | 1988-01-05 |
Family
ID=30956091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9347886U Pending JPS63228U (en) | 1986-06-19 | 1986-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63228U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315847A (en) * | 2004-03-29 | 2005-11-10 | Kyocera Corp | Acceleration sensor |
| JP2019184397A (en) * | 2018-04-09 | 2019-10-24 | 多摩川精機株式会社 | Vibration sensor, vibration sensor unit, and method for changing structure of detection axis |
-
1986
- 1986-06-19 JP JP9347886U patent/JPS63228U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315847A (en) * | 2004-03-29 | 2005-11-10 | Kyocera Corp | Acceleration sensor |
| JP2019184397A (en) * | 2018-04-09 | 2019-10-24 | 多摩川精機株式会社 | Vibration sensor, vibration sensor unit, and method for changing structure of detection axis |
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