KR980000625A - Piezo / electric distortion actuator - Google Patents

Piezo / electric distortion actuator Download PDF

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Publication number
KR980000625A
KR980000625A KR1019960021803A KR19960021803A KR980000625A KR 980000625 A KR980000625 A KR 980000625A KR 1019960021803 A KR1019960021803 A KR 1019960021803A KR 19960021803 A KR19960021803 A KR 19960021803A KR 980000625 A KR980000625 A KR 980000625A
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KR
South Korea
Prior art keywords
piezoelectric
elastic member
vibrator
elastic
actuator
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Application number
KR1019960021803A
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Korean (ko)
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KR100280257B1 (en
Inventor
임종인
김선욱
Original Assignee
김종인
포항종합제철 주식회사
신창식
재단법인 산업과학기술연구소
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Application filed by 김종인, 포항종합제철 주식회사, 신창식, 재단법인 산업과학기술연구소 filed Critical 김종인
Priority to KR1019960021803A priority Critical patent/KR100280257B1/en
Publication of KR980000625A publication Critical patent/KR980000625A/en
Application granted granted Critical
Publication of KR100280257B1 publication Critical patent/KR100280257B1/en

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure

Abstract

본 발명은 압전/전왜 액츄에이터에 관한 것이며, 그 목적은 굴곡변위형 액츄에이터의 우수한 변위특성과 적충형 액츄에이터의 우수한 발생력 특성을 겸비한 압전/전왜 액추에이터를 제공하고자 하는데 있다.The present invention relates to a piezoelectric / electric warp actuator, and its object is to provide a piezoelectric / electric warp actuator having both excellent displacement characteristics of a flexural displacement actuator and excellent generating force characteristics of an enemy locomotive type actuator.

상기 목적을 달성하기 위한 본 발명은 그 양측면에 탄성체가 부착되고 중앙에는 다수개의 압전소자가 적충되어 서로 병렬로 위치되는 두 개의 제1진동자 ; 상기 제1진동자에 대해 수직으로 서며 한 쪽의 탄성체를 연결하고 있는 제1탄성부재 ; 상기 제1진동자와 대향하는 방향으로 평행하게 위치하여 제1탄성부재의 일측면의 중심부에 결합되는 제2탄성부재 ; 및 압전소자로 형성되고 상기 제2탄성부재의 양측면에 위치되는 제2진동자를 포함하여 구성되는 압전/전왜 액츄에이터에 관한 것을 그 요지로 한다.The present invention for achieving the above object is an elastic body is attached to both sides and a plurality of piezoelectric elements are stacked in the center two first oscillators are located in parallel with each other; A first elastic member standing perpendicular to the first vibrator and connecting one elastic body; A second elastic member positioned parallel to the first vibrator and coupled to a central portion of one side of the first elastic member; And a piezoelectric / electrical distortion actuator formed of a piezoelectric element and including second vibrators positioned on both sides of the second elastic member.

Description

압전/전왜 액츄에이터Piezo / electric distortion actuator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 종래의 압전/전왜 액유에이터에 대한 사시도.1 is a perspective view of a conventional piezoelectric / electric distortion actuator.

제2도는 본 발명에 따른 압전/전왜 액츄에이터의 사시도.2 is a perspective view of a piezoelectric / electric distortion actuator according to the present invention.

제3도는 본 발명에 따른 또 다른 압전/전왜 액츄에이터의 개략 단면도.3 is a schematic cross-sectional view of yet another piezoelectric / electric distortion actuator according to the present invention.

제4도느 종래 및 본 발명의 압전/전왜 액츄에이터에 대한 인가 전압과 발생하는 변위의 특성과의 관계를 나타내는 그래프.Fig. 4 is a graph showing the relationship between the applied voltage and the characteristic of the generated displacement to the piezoelectric / electric distortion actuator of the prior art and the present invention.

제5도는 본 발명의 압전/전왜 액츄에이터의 발생압력과 발생변위와의 관계를 나타내는 그래프.5 is a graph showing the relationship between the generated pressure and the generated displacement of the piezoelectric / electric distortion actuator of the present invention.

Claims (6)

그 양측면에 탄성체가 부착되고 중앙에는 다수개의 압전소자가 적충되어 서로 병렬로 위치되는 두 개의 제1진동자 ; 상기 제1진동자에 대해 수직으로 서며 한 쪽의 탄성체를 연결하고 있는 제1탄성부재 ; 상기 제1진동자와 대향하는 방향으로 평행하게 위치하여 제1탄성부재의 일측면의 중심부에 결합되는 제2탄성부재 ; 및 압전소자로 형성되고 상기 제2탄성부재의 양측면에 위치되는 제2진동자를 포함하여 구성됨을 특징으로 하는 압전/전왜 액츄에이터.Two first vibrators having elastic bodies attached to both sides thereof, and having a plurality of piezoelectric elements stacked in the center thereof and positioned in parallel with each other; A first elastic member standing perpendicular to the first vibrator and connecting one elastic body; A second elastic member positioned parallel to the first vibrator and coupled to a central portion of one side of the first elastic member; And a second vibrator formed of a piezoelectric element and positioned on both side surfaces of the second elastic member. 제1항에 있어서, 상기 두 개의 제1진동자 각각과 제1탄성부재 사이에 위치한 탄성체가 룰곡형( )의 탄성체로 형성됨을 특징으로 하는 압전/전왜 액츄에이터.The piezoelectric / electric warp actuator according to claim 1, wherein an elastic body positioned between each of the two first vibrators and the first elastic member is formed of an elastic body having a ruled curve (). 제1항에 있어서, 상기 두 개의 제1진동자는 적어도 1개이상의 탄성체를 사이에 포함하는 한편 각각 다수개의 압전소자로 적층된 진동자가 적어도 1개 이상 마련됨을 특징으로 하는 압전/전왜 액츄에이터.The piezoelectric / electric warp actuator according to claim 1, wherein the two first vibrators include at least one elastic body therebetween and at least one vibrator stacked with a plurality of piezoelectric elements. 제1항에 있어서, 상기 제2진동자는 각각 단일 또는 다수개의 압전소자층으로 형성됨을 특징으로 하는 압전/전왜 액츄에이터.The piezoelectric / electric distortion actuator of claim 1, wherein the second vibrator is formed of a single or a plurality of piezoelectric element layers, respectively. 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 제1, 제2탄성부재는 일체형으로 형성됨을 특징으로 하는 압전/전왜 액츄에이터.The piezoelectric / electric warp actuator according to any one of claims 1 to 4, wherein the first and second elastic members are integrally formed. 제5항에 있어서, 상기 탄성부재는 포크형( )의 구조를 갖는 탄성부재임을 특징으로 하는 압전/전왜 액츄에이터.The piezoelectric / electric distortion actuator according to claim 5, wherein the elastic member is an elastic member having a fork structure. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960021803A 1996-06-17 1996-06-17 Piezo / electric distortion actuator KR100280257B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960021803A KR100280257B1 (en) 1996-06-17 1996-06-17 Piezo / electric distortion actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960021803A KR100280257B1 (en) 1996-06-17 1996-06-17 Piezo / electric distortion actuator

Publications (2)

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KR980000625A true KR980000625A (en) 1998-03-30
KR100280257B1 KR100280257B1 (en) 2001-02-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100392908B1 (en) * 2000-02-16 2003-07-28 마쯔시다덴기산교 가부시키가이샤 Actuator, apparatus for recording and reproducing information, and method for manufacturing actuator
KR100850644B1 (en) * 2007-07-03 2008-08-07 한국과학기술연구원 Pilot valve using piezoelectric actuator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100392908B1 (en) * 2000-02-16 2003-07-28 마쯔시다덴기산교 가부시키가이샤 Actuator, apparatus for recording and reproducing information, and method for manufacturing actuator
KR100850644B1 (en) * 2007-07-03 2008-08-07 한국과학기술연구원 Pilot valve using piezoelectric actuator

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KR100280257B1 (en) 2001-02-01

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