JPS59109166U - piezoelectric actuator - Google Patents
piezoelectric actuatorInfo
- Publication number
- JPS59109166U JPS59109166U JP336583U JP336583U JPS59109166U JP S59109166 U JPS59109166 U JP S59109166U JP 336583 U JP336583 U JP 336583U JP 336583 U JP336583 U JP 336583U JP S59109166 U JPS59109166 U JP S59109166U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- piezoelectric actuator
- amount
- polarization axis
- displacement
- 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
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図、第２図は従来の圧電アクチェータの構成を示す
説明図、第３図は従来の圧電アクチェータの高温雰囲気
下に置かれた場合の変位量の経時変化を示すグラフ、第
４図は本考案の第１実施例に係る圧電アクチェータを示
す説明図、第５図は本考案の第２実施例を示す説明図、
第６図は本考案に係る圧電アクチェータの温度と変位量
との関係を示すグラフである。
ｌＡ、 ２Ａ・・・圧電素子、Ｂ・・・圧電バイモル
フ、２１・・・バイメタル。
第３図
第６図Figures 1 and 2 are explanatory diagrams showing the configuration of a conventional piezoelectric actuator, Figure 3 is a graph showing the change in displacement over time when the conventional piezoelectric actuator is placed in a high temperature atmosphere, and Figure 4 is An explanatory diagram showing a piezoelectric actuator according to a first embodiment of the present invention, FIG. 5 is an explanatory diagram showing a second embodiment of the present invention,
FIG. 6 is a graph showing the relationship between temperature and displacement of the piezoelectric actuator according to the present invention. lA, 2A...piezoelectric element, B...piezoelectric bimorph, 21...bimetal. Figure 3 Figure 6
Claims (1)
素子と、分極軸方向と逆方向の電圧が印加される厚い圧
電素子を貼合わせた圧電バイモルフの一端基部を支持部
に支持せしめるとともに、両圧電素子に駆動電圧を印加
することにより、他端の作用端側を機械的に変位させる
ようにした圧電アクチェータにおいて、該アクチェータ
の作用端の先端、または基部と支持部間に、前記各圧電
素子の熱膨張差に伴う変位量と同一の変位量であって、
゛ 逆向きに変位するバイメタルを設けたことを特徴と
する圧電アクチェータ。One end base of a piezoelectric bimorph is supported by a support part, in which a thin piezoelectric element to which an electric current rth<< in the same direction as the polarization axis is applied and a thick piezoelectric element to which a voltage in the opposite direction to the polarization axis is applied are bonded together, In a piezoelectric actuator in which the working end side of the other end is mechanically displaced by applying a driving voltage to both piezoelectric elements, each piezoelectric The amount of displacement is the same as the amount of displacement due to the difference in thermal expansion of the element,
゛ A piezoelectric actuator characterized by having a bimetal that displaces in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP336583U JPS59109166U (en) | 1983-01-14 | 1983-01-14 | piezoelectric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP336583U JPS59109166U (en) | 1983-01-14 | 1983-01-14 | piezoelectric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59109166U true JPS59109166U (en) | 1984-07-23 |
Family
ID=30134984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP336583U Pending JPS59109166U (en) | 1983-01-14 | 1983-01-14 | piezoelectric actuator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59109166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011129369A (en) * | 2009-12-17 | 2011-06-30 | Fujifilm Corp | Piezo-electric mems switch and method for manufacturing the same |
-
1983
- 1983-01-14 JP JP336583U patent/JPS59109166U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011129369A (en) * | 2009-12-17 | 2011-06-30 | Fujifilm Corp | Piezo-electric mems switch and method for manufacturing the same |
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