摘要
基于高性能的TIF2812DSP处理器,设计了一类简易的超声波流量计.提出了发射探头在上,下方2个接收探头的三角结构,使得顺逆流时间可以同时测量,避免了测量不同步引入的误差.通过添加一个小键盘和液晶显示单元使整个装置小巧便于使用.另外,还给出了详细的硬件电路设计.实验结果表明该流量计能够用于对流体的测量.
The high-performaneed TI F2812 DSP processor is applied to design an ultrasonic flowmeter with simple structure. The flowmeter consists of a novel equilateral triangle shape with one ultrasonic transmitter and two receiving detectors, which can measure the transmission time at two directions simultaneously, thus avoid the error brought by asynchronous measurement. With an embedded keyboard and a 12864 displayer,the whole flowmeter is small in size and easy to handle. The hardware design is given in detail in the paper. Experimental resuhs show that the presented flowmeter is feasible in fluid detection.
出处
《南京信息工程大学学报（自然科学版）》
CAS
2012年第5期452-455,共4页
Journal of Nanjing University of Information Science & Technology（Natural Science Edition）
基金
深圳市科技局科研基金(SY2008-06300264A)
南京信息工程大学大学生实践创新项目(N1885010102)
关键词
超声波
数字信号处理器
流量计
仪器
ultrasonic
digital signal processor
flowmeter
instrument
