深海高流速传感器研制  

Development of high flow velocity transducer for deepwater

作　　者：李艳杰[1] 崔光浩[1] 高成臣[1] 

机构地区：[1]中国电子科技集团公司第四十九研究所,黑龙江哈尔滨150001

出　　处：《传感器技术》2003年第5期26-28,共3页Journal of Transducer Technology

摘　　要：阐述了深海高流速传感器的工作原理、结构设计、工艺研究及信号处理技术,该传感器中流速测量采用毕托管原理,利用差压传感器测量流体总压与静压差,流向测量采用水向标原理,角度变化由磁阻芯片检测,并采用单片机进行数据采集和后续处理,使得传感器具有测量范围宽、准确度高、耐高静压、分辨力高、抗振动冲击、耐腐蚀、适于深海中流场测量等特点。The working principle,structure design,technical study and signal processing technology of flow velocity transducer are explained.Based on the Pitot tube principle for measuring the medium flow velocity,the sensor uses the differential pressure sensor to measure the hydrototal pressure and static pressure difference.The water flow direction indicator principle is adopted to measure the flow direction,the magnetic resistance chip is used to detect the angle,single chip processor is used for data collection and followup processing.The sensor has the characteristic of wide measuring range,high accuracy,resistance to high static pressure,high resolution,antivibration and antishock and corrosion resistance.It is also the same with deepwater midstream measurement.

关 键 词：流速传感器 工作原理 结构设计 信号处理技术 毕托管原理 高静压 

分 类 号：TH814[机械工程—仪器科学与技术] TP212.1[机械工程—精密仪器及机械]