微量试剂分配压电叠堆泵的设计与实验  

Design and Experimental Research on Piezoelectric-stack Pump for Micro-reagents Dispensing

作　　者：陈立国[1,2] 邵超[1] 刘德利[1] 陈涛[2] 朱永杨[1] 

机构地区：[1]哈尔滨工业大学机器人研究所,黑龙江哈尔滨150001 [2]中国科学院上海微系统与信息技术研究所传感技术国家重点联合实验室,上海200050

出　　处：《压电与声光》2011年第3期382-385,389,共5页Piezoelectrics & Acoustooptics

基　　金：国家杰出青年基金资助项目(50725518);新世纪优秀人才支持计划基金资助项目(NCET-08-0170);国家"八六三"计划基金资助项目(2009AA043703)

摘　　要：设计、研制了进行微量、快速、精确试剂分配的压电叠堆泵,研究了压电叠堆泵的结构及工作原理,利用解析法和有限元仿真分析法对泵膜、位移放大机构的静态、动态特性进行了分析和研究,并研究了关键参数对泵性能的影响。对样机进行实验研究,研究了压电叠堆泵的输出流量、压力分别同加载电压及频率的关系,并测试了压电叠堆泵和试剂泵的输出流量的重复精度和精度。实验结果表明,该文研制的压电叠堆泵能满足微量、快速、精确的试剂分配的要求。A piezoelectric-stack pump prototype was designed and manufactured to realize high-precision,microscale and automation dispensing of reagents.The structure and working process of the piezoelectric-stack pump were discussed.The key components to the pump＇s function for non-contact micro-reagents dispensing were analyzed in theory and simulation with finite element analysis software both statically as well as dynamically.The output characteristics of the piezoelectric-stack pump were studied.The precision and repeating precision for piezoelectric-stack pump and reagents dispensing were tested respectively.Experiment result showed that the piezoelectric-stack pump could meet the requirements of fast micro-reagents dispensing with accuracy.

关 键 词：微量试剂分配 微泵 压电叠堆 微位移放大机构 

分 类 号：TH38[机械工程—机械制造及自动化]