基于压电晶体的微质量检测系统研究进展
武威
广东白云学院 机电工程学院,广东 广州 510450
摘 要:压电晶体传感器利用压电石英晶体振荡频率对晶体表面质量负载和表面性状的高度敏感性,来实现对物质微质量的检测。介绍了压电晶体传感器的原理,给出了检测系统的硬件组成及数据处理与分析软件设计,分析了其应用现状,并对该检测系统的发展趋势进行了展望。
关键词:压电晶体传感器;微质量;检测系统
中图分类号:TP212 文献标识码:A 文章编号:1007-3175(2013)12-0005-05
Research Evolution on Micro-Quality Detection System Based on Piezoelectric Crystal
WU Wei
Electro-Mechanical School, Guangdong Baiyun University, Guangzhou 510450, China
Abstract: The piezoelectric crystal sensors used the characteristic that the oscillation frequency of the piezoelectric crystal is highly sensitive to the load and properties on crystal surface, such as density, viscosity, conductivity and dielectric constant to carry out materials micro-quality test. Introduction was made to the principle of the piezoelectric crystal sensors. This paper designed the hardware composition, data processing and analysis software of the detection system and analyzed the system’s application actuality, looking forward to the development trend of the detection system.
Key words: piezoelectric crystal sensor; micro-quality; detection system
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