传感技术学报2017，Vol.30Issue(11)：1625-1629,5.DOI:10.3969/j.issn.1004-1699.2017.11.002
一种基于超声阻抗和回波能量的液位检测方法
A Method for Determining the Liquid Level Based on Ultrasonic Impedance and Echo Energy
张斌 1刘文怡 2魏月娟 1张彦军 2张会新 3张亮1
作者信息
- 1. 中北大学仪器科学与动态测试教育部重点实验室,太原030051
- 2. 中北大学电子测试技术重点实验室,太原030051
- 3. 中北大学软件学院,太原030051
- 折叠
摘要
Abstract
For the ultrasonic liquid level detection,a bad coupling between transducers and the container wall always brings the problems of stability and reliability. A method is proposed to determine the liquid level through calculating and comparing the echo energy received by two receiving transducers,which is based on the difference ultrasonic impedance between gas and liquid media in a container. The experimental results indicate that the pro-posed method can effectively solve the problems caused by a poor coupling,and can meet the accurate requirement.关键词
超声波/阻抗/回波能量/液位/耦合度Key words
ultrasonic/impedance/echo energy/liquid level/coupling分类
信息技术与安全科学引用本文复制引用
张斌,刘文怡,魏月娟,张彦军,张会新,张亮..一种基于超声阻抗和回波能量的液位检测方法[J].传感技术学报,2017,30(11):1625-1629,5.
