基于积分原理的低功耗超声波流量检测方法

A method of low-consumption ultrasonic flow measurement based on integral principle

文章通过对时差式超声波流量检测方法的分析,提出了基于过零检测技术及积分法的信号处理方法,避免了繁琐的信号处理,降低了整机功耗。结合工作时序的设计,提出了实现低功耗超声波液体流量检测的措施。

The measurement principle of the travel time difference method for the ultrasonic flow measurement is analyzed. A signal processing method based on zero-crossing detection and integral principle is depicited, which simplifies the signal processing, reduces the consumption. At last, some low-consumption ultrasonic flow measurement stepes are presented, especially the design of working timing.