液压系统流量参数的超声波管外检测原理与装置

Ultrasonic pipe outside detection principle and instrument for flow parameter of the hydraulic system

流量是确保液压系统正常工作的一个重要参数，也是液压系统状态监控与故障诊断的主要特征信息，本文概要介绍了超声波管外流量检测原理。

The flow is an important parameter of hydraulic control system and also a main character information for its state control and trouble diagnosis .The paper briefly introduces the outside flow detective principle,function of the instrument and main measure line map.