基于超声波相位偏移的摆动测量装置设计及实验  

Design and experiment of swing measurement device based on ultrasonic phase shift

作　　者：金伯银 孙少阳 刘高华 张山[1] 余晨鸣 JIN Boyin;SUN Shaoyang;LIU Gaohua;ZHANG Shan;YU Chenming(School of Microelectronics,Tianjin University,Tianjin 300072,China;School of Electrical and Information Engineering,Tianjin University,Tianjin 300072,China;Electrical and Electronic Experimental Teaching Center,Tianjin University,Tianjin 300072,China;School of Precision Instrument and Opto-electronics Engineering,Tianjin University,Tianjin 300072,China)

机构地区：[1]天津大学微电子学院,天津300072 [2]天津大学电气自动化与信息工程学院,天津300072 [3]天津大学电气电子实验中心,天津300072 [4]天津大学精仪学院,天津300072

出　　处：《实验室科学》2022年第2期196-200,共5页Laboratory Science

摘　　要：针对工程上用手工方法测量高速摆动零件摆幅误差较大、操作不便的问题,提出了一种基于超声波相位偏移的物体摆幅测量方法,该方法利用自制超声信号发射、接收电路采集超声相位偏移数据,结合软件数据拟合及单片机数据处理,能够在非接触情况下实现物体摆幅的自动测量。实验结果表明,该方法具有精度高、测量方便和成本较低等特点,在机械加工、航空航天等领域具有应用价值。In order to solve the problem of large error and inconvenience in manual measurement of the amplitude of high-speed swing parts in engineering,an ultrasonic phase shift method is proposed.This method uses self-made ultrasonic signal transmitter and receiver circuits to collect ultrasonic phase offset,combined with software data fitting and data processing by microprocessor unit,which can be realized in non-contact conditions.Experimental results show that the method has the characteristics of high accuracy,convenient measurement and low cost,which has application value in mechanical processing,aerospace and other fields.

关 键 词：摆动幅度测量 微处理器 超声相位 

分 类 号：TB551[理学—物理]