基于弱光栅的输油泵机组在线监测系统  

ONLINE MONITORING SYSTEM OF OIL PUMP UNIT BASED ON WEAK GRATING

作　　者：杨充 邓莎萍 陈颖 李卫 Yang Chong;Deng Shaping;Chen Ying;Li Wei(Changqing Engineering Design Co.,Ltd.,Xi’an,Shaanxi,710018;Changqing Oilfield(Yulin)Oil and Gas Co.,Ltd.,Yulin,Shaanxi,719000)

机构地区：[1]长庆工程设计有限公司,陕西西安710018 [2]长庆油田(榆林)油气有限公司,陕西榆林719000

出　　处：《石油化工设计》2022年第4期40-42,I0003,共4页Petrochemical Design

摘　　要：大容量弱光栅技术不但具有光纤传感探测灵敏、现场无源等优点,而且可分布式组网和监测距离长,非常适用于石油化工领域,可实现高效地对输油泵机组关键状态自动检测、判断和处理。利用弱光栅传感技术实时监测输油泵机组的温度和振动状态,一旦温度异常会立刻报警提醒;还能通过分析振动信号时域和频域提取关键特征,借助模式识别算法对异常振动予以识别、预警以及判定其发生的位置和类型,助力维护人员及时发现输油泵机组的故障。The large capacity weak grating technology not only has the advantages of sensitive optical fiber sensing detection and on-site passivity,but also has distributed networking and long monitoring distance.It is very suitable for the petrochemical field,and can achieve the efficient automatic detection,judgment and processing of key states of oil pump unit.The weak grating sensing technology is used to monitor the temperature and vibration status of oil pump unit in real time.Once the temperature is abnormal,it will give an alarm immediately.It can also extract key features by analyzing vibration signals in time domain and frequency domain,and identify,warn and determine the location and type of abnormal vibration with the help of pattern recognition algorithm,so as to help maintenance personnel find the failure of oil pump unit in time.

关 键 词：弱光栅 温度传感 振动传感 模式识别 

分 类 号：TE974.1[石油与天然气工程—石油机械设备]