JPS6430864U - - Google Patents
Info
- Publication number
- JPS6430864U JPS6430864U JP1987125493U JP12549387U JPS6430864U JP S6430864 U JPS6430864 U JP S6430864U JP 1987125493 U JP1987125493 U JP 1987125493U JP 12549387 U JP12549387 U JP 12549387U JP S6430864 U JPS6430864 U JP S6430864U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric actuator
- laminated
- ceramic plates
- main body
- piezoelectric
- 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
- 239000000919 ceramic Substances 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 230000010287 polarization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
第１図および第２図は本考案の第１実施例を示
す図であり、第１図は全体の構成を示す斜視図、
第２図は第１図中のリード線取付け部の拡大断面
図である。第３図は本考案の第２実施例の構成を
示す主要部平面図である。第４図は従来のリード
線取付けの状態を示す図である。
１０……積層型圧電アクチユエータ、１１……
圧電セラミツクス板、１２，１３……絶縁部、１
４……外部電極、１５……上台、１６……下台、
１７……リード線、１８……導電性接着剤。
1 and 2 are diagrams showing a first embodiment of the present invention, and FIG. 1 is a perspective view showing the overall configuration;
FIG. 2 is an enlarged sectional view of the lead wire attachment portion in FIG. 1. FIG. 3 is a plan view of main parts showing the configuration of a second embodiment of the present invention. FIG. 4 is a diagram showing the state of conventional lead wire attachment. 10...Laminated piezoelectric actuator, 11...
Piezoelectric ceramic plate, 12, 13... Insulation section, 1
4...External electrode, 15...Upper stand, 16...Lower stand,
17... Lead wire, 18... Conductive adhesive.
Claims (1)
ツクス板を積層し、これに電圧を印加することに
より所定の変位を得るようにした積層型圧電アク
チユエータにおいて、電圧印加用リード線を、積
層型圧電アクチユエータ本体の固定部近傍におけ
る外部電極に対し、圧電セラミツクス板の積層方
向に沿うような姿勢で導電性接着剤により接続し
たことを特徴とする積層型圧電アクチユエータ。 (2) 圧電アクチユエータ本体は、圧電セラミツ
クス板相互間に介在している内部電極部の両端が
両側外部電極に対し交互に導通するように、非導
通となす部分に切溝を設け、この切溝内に絶縁材
を充填したものであることを特徴とする実用新案
登録請求の範囲第１項記載の積層型圧電アクチユ
エータ。[Claims for Utility Model Registration] (1) A laminated piezoelectric actuator in which piezoelectric ceramic plates are laminated so that their polarization directions are alternately different, and a predetermined displacement is obtained by applying a voltage to the laminated piezoelectric actuator. A multilayer piezoelectric actuator, characterized in that a lead wire is connected to an external electrode near a fixed part of a main body of the multilayer piezoelectric actuator with a conductive adhesive in a posture along the stacking direction of piezoelectric ceramic plates. (2) The main body of the piezoelectric actuator is provided with grooves in the non-conductive parts so that both ends of the internal electrode section interposed between the piezoelectric ceramic plates are alternately electrically connected to the external electrodes on both sides. A laminated piezoelectric actuator according to claim 1, wherein the piezoelectric actuator is filled with an insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987125493U JPS6430864U (en) | 1987-08-18 | 1987-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987125493U JPS6430864U (en) | 1987-08-18 | 1987-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6430864U true JPS6430864U (en) | 1989-02-27 |
Family
ID=31376151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987125493U Pending JPS6430864U (en) | 1987-08-18 | 1987-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6430864U (en) |
-
1987
- 1987-08-18 JP JP1987125493U patent/JPS6430864U/ja active Pending