压电陶瓷片受力分析及选针器设计  

Force analysis of the piezoelectric ceramic and of the needle selector design

作　　者：吴晓光[1] 张建钢[1] 张成俊[1] 张驰[1] 

机构地区：[1]武汉科技学院机电工程学院,湖北武汉430074

出　　处：《针织工业》2008年第2期19-21,共3页Knitting Industries

基　　金：国家自然基金(50775166);湖北省数字化纺织装备重点实验室项目基金资助(DTL200621);湖北省数字制造重点实验室基金资助(SZ0604)

摘　　要：探讨压电陶瓷片的逆压电效应,对压电陶瓷片的受力和ANSYS有限元进行着重分析,详细介绍多级式压电陶瓷选针器的的原理以及编织过程。文中所研究的电脑提花圆纬机的选针机构利用压电陶瓷的逆压电效应,将电能转换成机械能,经主控制系统输出脉冲信号,再经选针器驱动电路驱动压电陶瓷片产生挠度变形并产生弯矩,从而实现提花选针。This paper studies the reverse piezoelectric effect of the piezoelectric ceramic, mainly analyzes the forces exerted on it and the FEM of ANSYS, and introduces in detail the principle and knitting process of the multistage piezoelectric ceramic needle selector. The selecting mechanism of the computer based circular jacquard weft knitting machine presented in this paper makes use of the reverse piezoelectric effect of the piezoelectric ceramic to convert the electric energy into the mechanical energy. The impulse signal is outputted through the main control system, then the drive circuit of the needle selector drives the piezoelectric ceramic to have a deflection with a bending moment, thus achieving the pattern needle selection.

关 键 词：压电 陶瓷 电子选针 受力 ANSYS 

分 类 号：TS184.412[轻工技术与工程—纺织材料与纺织品设计]