JPH02136950U

JPH02136950U -

Info

Publication number: JPH02136950U
Application number: JP4600589U
Authority: JP
Priority date: 1989-04-19
Filing date: 1989-04-19
Publication date: 1990-11-15

Description

[Brief explanation of drawings]

第１図および第２図はそれぞれ本考案の第１実
施例に係る圧電リレーに使用される圧電アクチユ
エータの上面側および裏面側を示す斜視図、第３
図および第４図は第１図および第２図の圧電アク
チユエータを使用した第１実施例を示す一部切欠
側面図、第５図は第１図および第２図に示す圧電
アクチユエータの動作を説明するための図、第６
図および第７図はそれぞれ本考案の第２実施例に
係る圧電リレーを動作別に示す一部切欠側面図、
第８図は本考案の第３実施例を示す一部切欠側面
図、第９図および第１０図はそれぞれ第８図の第
３実施例に使用される圧電アクチユエータの上面
側および裏面側を示す斜視図、第１１図ａ，ｂお
よびｃはそれぞれ第９図および第１０図の圧電ア
クチユエータの動作を説明するための図である。１，２１，３１…ハウジング、２ａ，２ｂ，２
２ａ，２２ｂ，３２ａ，３２ｂ…固定接点、５，
２５，３５…可動接点、７，２７，３７…圧電ア
クチユエータ、７ａ，２７ａ，３７ａ…第１の圧
電板、７ｂ，２７ｂ，３７ｂ…第２の圧電板、３
７ｃ…第３の圧電板。 1 and 2 are perspective views showing the top and back sides of a piezoelectric actuator used in a piezoelectric relay according to a first embodiment of the present invention, respectively;
4 and 4 are partially cutaway side views showing a first embodiment using the piezoelectric actuator shown in FIGS. 1 and 2, and FIG. 5 explains the operation of the piezoelectric actuator shown in FIGS. 1 and 2. Figure for, No. 6
FIG. 7 is a partially cutaway side view showing the piezoelectric relay according to the second embodiment of the present invention according to its operation, respectively;
FIG. 8 is a partially cutaway side view showing the third embodiment of the present invention, and FIGS. 9 and 10 respectively show the top and back sides of the piezoelectric actuator used in the third embodiment of FIG. The perspective views of FIGS. 11a, 11b and 11c are diagrams for explaining the operation of the piezoelectric actuator of FIGS. 9 and 10, respectively. 1, 21, 31...Housing, 2a, 2b, 2
2a, 22b, 32a, 32b... fixed contact, 5,
25, 35... Movable contact, 7, 27, 37... Piezoelectric actuator, 7a, 27a, 37a... First piezoelectric plate, 7b, 27b, 37b... Second piezoelectric plate, 3
7c...Third piezoelectric plate.

Claims

[Scope of utility model registration request]

A fixed contact fixed to the housing directly or via a support, a movable contact supported so as to be able to freely make contact with or separate from the fixed contact, and drive the movable contact to contact or separate from the fixed contact. A piezoelectric relay comprising a piezoelectric actuator, the piezoelectric actuator having a piezoelectric plate having electrodes formed on both sides and one end fixed to the housing directly or via a support member so as to be supported in a cantilever manner, and one end of the piezoelectric plate having electrodes formed thereon. a movable plate fixed to the free end of the piezoelectric plate and supported in a cantilever manner, the other end of which extends in the direction of the fixed end of the piezoelectric plate; A piezoelectric relay characterized in that the movable contact is driven by the displacement of the target.