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公开(公告)号：KR1020140146738A
公开(公告)日：2014-12-29
申请号：KR1020130069365
申请日：2013-06-18
Applicant: 전자부품연구원
Abstract: A piezoelectric linear actuator is disclosed. The piezoelectric linear actuator according to one embodiment of the present invention is a laminate formed by arranging a first piezoelectric ceramic element which includes a ground electrode on the lower side thereof and a first electrode on the upper side thereof, on a (4N+1) layer and a (4N+3) layer and arranging a second ceramic element which includes a ground electrode on the lower side thereof and a second electrode on the upper side thereof, on a (4N+2) layer and a (4N+4) layer, wherein, N is an integer equal to or more than 0. The polarization directions of the (4N+1) layer and the (4N+4) layer are opposite to the polarization directions of the (4N+2) layer and the (4N+3) layer.
Abstract translation: 公开了一种压电线性致动器。 根据本发明的一个实施方案的压电线性致动器是通过在（4N + 1）上排列包括下侧的接地电极的第一压电陶瓷元件和其上侧的第一电极而形成的层压体， 层和（4N + 3）层，并且在（4N + 2）层和（4N + 4）层上布置包括其下侧的接地电极的第二陶瓷元件和其上侧上的第二电极， 其中，N是等于或大于0的整数。（4N + 1）层和（4N + 4）层的偏振方向与（4N + 2）层的偏振方向相反，并且 （4N + 3）层。
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公开(公告)号：KR1020110075193A
公开(公告)日：2011-07-06
申请号：KR1020090131565
申请日：2009-12-28
Applicant: 전자부품연구원
IPC: H01L41/02
CPC classification number: H01L41/0474 , H01L41/0471 , H01L41/083 , H01L41/187 , H01L41/293
Abstract: PURPOSE: A piezoelectric laminated ceramic device and a manufacturing method thereof are provided to simplify a lamination process and to improve productivity by preventing a short circuit between electrodes. CONSTITUTION: A piezoelectric laminated ceramic device is manufactured by laminating two or more ceramic green sheets. An inner electrode is formed in the two or more ceramic green sheets. A ceramic laminated body is formed between the internal electrodes so as to separate electrically the internal electrodes. The ceramic laminated body is carved into a central direction of the ceramic laminated body. A first concave part and second concave parts(506,507) are extended from an upper part of the piezoelectric ceramic laminated body to a lower part. A first outer electrode and second outer electrodes(504,505) are formed at the first concave part and the second concave parts of the ceramics laminated body, respectively.
Abstract translation: 目的：提供一种压电层叠陶瓷器件及其制造方法，以简化层叠工艺，并通过防止电极之间的短路来提高生产率。 构成：通过层叠两层以上的陶瓷生片来制造压电层叠陶瓷装置。 内部电极形成在两个以上的陶瓷生片中。 在内部电极之间形成陶瓷层叠体，以便电内部电极分离。 将陶瓷层叠体雕刻成陶瓷层叠体的中心方向。 第一凹部和第二凹部（506,507）从压电陶瓷层叠体的上部延伸到下部。 分别在陶瓷层叠体的第一凹部和第二凹部分别形成第一外部电极和第二外部电极（504,505）。
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公开(公告)号：KR1020100138007A
公开(公告)日：2010-12-31
申请号：KR1020090056329
申请日：2009-06-24
Applicant: 전자부품연구원
CPC classification number: H02N2/183 , H01L41/053 , H01L41/113
Abstract: PURPOSE: A piezoelectric power generator is provided to increase energy conversion efficiency from mechanical energy to electric energy due to external force by simultaneously implementing two vibrating modes. CONSTITUTION: A piezoelectric(130) is loaded on the upper side of a supporting unit(110). The piezoelectric generates electricity by being deformed based on external force. A vibrating unit(140) vertically moves on the upper side of the piezoelectric and applies the external force to deform the piezoelectric. The supporting unit corresponds to the vibrating unit. The supporting unit includes a protrusion(120a).
Abstract translation: 目的：提供一种压电发电机，通过同时实施两种振动模式，通过外力提高从机械能到电能的能量转换效率。 构成：压电（130）装载在支撑单元（110）的上侧。 压电通过基于外力的变形产生电力。 振动单元（140）在压电体的上侧垂直移动并施加外力使压电体变形。 支撑单元对应于振动单元。 支撑单元包括突起（120a）。
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公开(公告)号：KR1020100065465A
公开(公告)日：2010-06-17
申请号：KR1020080123800
申请日：2008-12-08
Applicant: 전자부품연구원
CPC classification number: H02N2/183 , H01L41/0472 , H01L41/113
Abstract: PURPOSE: A piezoelectric generating apparatus is provided to enhance the efficiency of converting mechanical energy into electric energy by forming a structure which creates a shearing deformation. CONSTITUTION: A piezoelectricity structure(100) generates a shearing deformation by an external force. The piezoelectricity structure generates electricity. One side of the piezoelectricity structure is fixed. An external force conveying unit(200) is adhered to the another side of the piezoelectricity structure. The external force conveying unit delivers the external force to the piezoelectricity structure.
Abstract translation: 目的：提供一种压电发生装置，以通过形成产生剪切变形的结构来提高将机械能转换成电能的效率。 构成：压电结构（100）通过外力产生剪切变形。 压电结构发电。 压电结构的一侧是固定的。 外力输送单元（200）粘附到压电结构的另一侧。 外力输送单元将外力输送到压电结构。
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公开(公告)号：KR1020100049244A
公开(公告)日：2010-05-12
申请号：KR1020080108337
申请日：2008-11-03
Applicant: 전자부품연구원
CPC classification number: H02N2/12 , H01L41/0471 , H01L41/083
Abstract: PURPOSE: A two sided rotary type ultrasonic motor and a vibrator thereof are provided to improve processing and assembling efficiency by transferring the torque through the rotary vibration shaft to a rotor. CONSTITUTION: A case(100) has a hollow cylinder shape. A piezoelectric(210) is arranged inside the case. The piezoelectric is made of a plurality of piezoelectric sheets. Each piezoelectric sheet is expanded and contracted by an external power supply. A rotary vibration shaft(220) is fixed by passing through the center hole of the piezoelectric. A pair of rotors(300) are arranged inside the case. The opposite surfaces of a pair of rotors are faced with the top and the bottom of the rotary vibration shaft. A pair of drive rotary shafts(400) offers the torque of a pair of rotors to the outside.
Abstract translation: 目的：提供双面旋转式超声波电动机及其振动器，通过将转矩通过旋转振动轴传递到转子来提高加工和组装效率。 构成：壳体（100）具有中空圆筒形状。 压电（210）布置在壳体内。 压电体由多个压电片构成。 每个压电片由外部电源扩展和收缩。 旋转振动轴（220）通过压电体的中心孔固定。 一对转子（300）布置在壳体内。 一对转子的相对表面面对旋转振动轴的顶部和底部。 一对驱动旋转轴（400）将一对转子的扭矩提供给外部。
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Patent Agency Ranking
公开(公告)号：KR100924096B1
公开(公告)日：2009-11-02
申请号：KR1020070118379
申请日：2007-11-20
Applicant: 전자부품연구원
IPC: H02N2/02
Abstract: 본 발명은 압전 리니어 액츄에이터용 압전 소자에 관한 것으로서, 복수 개의 적층된 압전체 시트와, 복수 개의 압전체 시트에 압전체 시트의 길이 방향으로 순차적으로 형성된 제1 내지 제4 변위 팽창/수축부를 포함하여 이루어지며, 제1 내지 제4 변위 팽창/수축부는 인가되는 전압에 따라 압전체 시트의 길이 방향 및 적층 방향으로 팽창 또는 수축되는 것을 특징으로 한다.
본 발명에 의하면, 한 개의 압전 소자로 압전 리니어 액츄에이터를 구현할 수 있으므로, 액츄에이터의 크기를 소형화할 수 있고, 구동 신호를 단순화할 수 있으므로 구동 회로의 크기를 줄일 수 있다.
압전 소자, 어스웜, 정현파, 분극, 액츄에이터, 압전체 시트-
公开(公告)号：KR100651164B1
公开(公告)日：2006-12-01
申请号：KR1020050112527
申请日：2005-11-23
Applicant: 전자부품연구원
IPC: H01L41/08
Abstract: A piezoelectric device for an inchworm actuator is provided to realize simple structure and reduce a fabricating cost by integrating several piezoelectric devices used in a conventional inchworm actuator. A plurality of piezoelectric sheets are stacked. Clamping parts(300) are formed at the right and left sides of the plurality of piezlelectric sheets, composed of first and second electrode plates(301,302) formed at both sides of each piezoelectric sheet. A displacement expanding/reducing part(310) is formed in the intermediate part of the plurality of piezoelectric sheets, vibrating in the lengthwise direction of the piezoelectric sheet.
Abstract translation: 提供了用于尺actuator致动器的压电装置以通过集成在常规尺actuator致动器中使用的多个压电装置来实现简单的结构并且降低制造成本。 多个压电片被堆叠。 在由多个压电片的两侧形成的第一和第二电极板（301,302）构成的多个压电电
板的右侧和左侧形成夹紧部件（300）。 位移扩展/减小部分（310）形成在多个压电片的中间部分中，并沿压电片的长度方向振动。-
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公开(公告)号：KR1020160033319A
公开(公告)日：2016-03-28
申请号：KR1020140123573
申请日：2014-09-17
Applicant: 전자부품연구원
IPC: H01L41/187 , H01L41/22
CPC classification number: H01L41/187 , H01L41/09 , H01L41/113 , H01L41/297 , H01L41/39
Abstract: 보다효율적인구조로서비용절감이가능한세라믹압전소자및 세라믹압전소자제조방법이제공된다. 본발명에따른세라믹압전소자는세라믹압전소자는외부에서인가되는힘을받아전기신호를발생하는센싱부및 외부에서전기신호를인가받아물리적인변형이발생하는액츄에이팅부를포함한다.
Abstract translation: 提供一种具有节省成本的高效结构的陶瓷压电装置及其制造方法。 根据本发明的陶瓷压电装置包括：感测部，其接收从外部施加的力以产生电信号;以及致动部，其从外部接收电信号以产生物理变形。
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