时差法超声波流量计的研究

Research of Time-difference-type Ultrasonic Heat Meter

当今在许多工业生产和科研活动中,流量测量是必不可少的。而超声波流量计以其非接触、易于安装维护的优点得到了广泛的应用。根据设计的具体情况,对时差式超声流量计的硬件电路进行了详细的分析,讨论了器件的选择和参数设计的问题,设计出单片机外围设计电路部分以及性能良好的接收发射电路。

Nowadays,during industry manufacture and science research,flowmeter is necessary.Ultrasonic flowmeter is applied widely in virtue of its advantages,such as non-contact and installation and maintenance with ease.Time-difference-type ultrasonic flowmeter is studied in this paper.According to the requirements of design,the hardware circuit of the time-difference-type ultrasonic flowmeter is analyzed in detail,including the choice of circuit component and parameter,the design of the circuit of singlechip and the design of high performance emitting and receiving circuits.