浮筒式油水界面检测仪设计与实现  

Design and Realization of Floating Oil-Water Interface Detector

作　　者：于光辉 陈燕[1] 马春燕[1] 窦银科[1] 冯治岗 常晓敏[2] 张艳[3] YU Guanghui;CHEN Yan;MA Chunyan;DOU Yinke;FENG Zhigang;CHANG Xiaomin;ZHANG Yan(College of Electrical and Power Engineering,Taiyuan University of Technology,Taiyuan 030024,China;College of Water Resources Science and Engineering,Taiyuan University of Technology,Taiyuan 030024,China;College of Materials and Engineering,Taiyuan University of Technology,Taiyuan 030024,China)

机构地区：[1]太原理工大学电气与动力工程学院,太原030024 [2]太原理工大学水利科学与工程学院,太原030024 [3]太原理工大学材料科学与工程学院,太原030024

出　　处：《太原理工大学学报》2018年第6期903-907,共5页Journal of Taiyuan University of Technology

基　　金：国家自然科学青年基金资助项目(41606220);山西省自然科学基金资助项目(201701D121127)

摘　　要：针对现有的油水界面检测装置精度不高且往往具有机械部件、使用寿命不长、维护工作量大等缺点,设计了一种浮筒式油水界面检测仪。该油水界面检测仪是以重力传感器为测量元件,将重力转换为电压信号;然后,利用4～20mA两线制U/I变送器XTR101,设计了实用的变送电路,将电压信号变换成电流信号;最后,通过单片机MSP430F149测控装置实现油水界面高度的实时显示,并具有油水界面超限报警和自动排水功能。实验表明,该浮筒式油水界面检测仪抗干扰能力强、稳定可靠,平均误差在±3%以内。In view of the shortcomings of existing oil-water interface detection device,i.e.,low accuracy,and short lifetime and large maintence for mechanical parts,a float type oil-water interface detector was designed.The oil-water interface detector uses a gravity sensor as measurement element,transferring gravity signal into voltage signal.Then,by using 4~20 mA two-wire U/I transmitter XTR101,a practical transmission circuit was designed,which converts the voltage signal into current signal.Finally,through the single-chip MSP430F149 monitoring and control device,real-time display of oil-water interface level,along with oil-water interface alarm and automatic drainage function,was realiezed.Experiments show that the floating oil-water interface detector has good anti-interference ability,stability and reliability,with the average error within±3%.

关 键 词：油水界面 重力传感器 变送器XTR101 MSP430F149 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]