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    • 28. 发明专利
    • Piezoelectric drive device
    • 压电驱动装置
    • JPS5917876A
    • 1984-01-30
    • JP2154082
    • 1982-02-12
    • West Electric Co Ltd
    • TANIGUCHI TOSHIHIKO
    • H02N2/00H01L41/09H02N2/04H02N2/08
    • H01L41/0833H01L41/0986H02N2/023
    • PURPOSE: To enable to measure or finely adjust an ultrafine length by vertically aligning a plurality of blocks made of a plurality of piezoelectric units through an insulator, containing them through an engaging ring in an enclosure, controlling the applied voltage, and elongating or contracting the piezoelectric units.
      CONSTITUTION: A plurality of piezoelectric units 5 are superposed to form blocks 5
      1 ∼5
      n , and the electrically floated piezoelectric unit or insulator 5a is interposed between the blocks 5
      i . The blocks 5
      i are connected to power source lines 6
      1 ∼6
      n , mounted through an insulator 8 on an engaging ring 7 to form a piezoelectric laminate 10, which is engaged with an enclosure 9 with power source line inserting unit 9a. When the voltage is applied to the block 5
      i , the piezoelectric unit 5 is radially extended and contracted in the thicknesswise direction or vice versa due to the polarity. The diameter of each block 5
      i is initially elongated and the block is secured to the ring 7. When the blocks 5
      i of necessary number are inverted in the polarity, the axial length is extended. In this manner, the ultrafine length can be measured or finely regulated.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过将多个由多个压电单元组成的块通过绝缘体垂直排列来测量或精细调节超细长度,通过外壳中的接合环将其包含在内,控制施加的电压,并延长或收缩 压电单元。 构成:将多个压电单元5重叠以形成块体51-5n,并且将浮动的压电单元或绝缘体5a置于块体5i之间。 块5i连接到电源线61-6n,电源线61-6n通过绝缘体8安装在接合环7上,以形成压电层压板10,其与具有电源线插入单元9a的外壳9接合。 当电压施加到块体5i时,压电单元5由于极性而在厚度方向上径向伸展和收缩,反之亦然。 每个块5i的直径最初是细长的并且块被固定到环7.当必要数量的块5i以极性反转时,轴向长度被延长。 以这种方式,可以测量或精细调节超细长度。