Electric drive device is pressed to self -adaptation

The utility model belongs to the technical field of optical fiber sensing, a electric drive device presses that self -adaptation, high accuracy, high flexibility is disclosed. Controller, digital analog conversion unit, range amplifying unit, power amplifier unit, the detecting element of device constitute feedback loop, can adjust the drive wave form according to wave form range and frequency information, realize the self -adaptation function, the power network of device adopts noise reduction, and NULL power pin adopts RC wave filter network, has effectively reduced the power supply noise, has improved the drive precision, the device adopts the modularized design, and to the piezoelectricity drive demand of difference, it is unchangeable to keep the core to configure, uses the range amplifying unit of different technical indicators and power amplifier unit to realize, has improved the flexibility of device. 本实用新型属于光纤传感技术领域，公开了种自适应、高精度、高灵活性的压电驱动装置。装置的控制器、数模转换单元、幅度放大单元、功率放大单元、检测单元构成反馈回路，可以根据波形幅度与频率信息，对驱动波形进行调