一种基于单片机的智能化便携振动管式液体密度计的研制  

Development of a Intelligent Portable Tubular Vibration Liquid Densitometer

作　　者：魏新华[1] 喻谷源[2] 

机构地区：[1]山东农业大学机械与电子工程学院,山东泰安271018 [2]中国农业大学车辆工程学院,北京100083

出　　处：《仪表技术与传感器》2002年第7期12-14,17,共4页Instrument Technique and Sensor

摘　　要：介绍了一种便携式U -型振动管液体密度计 ,该仪器具有使用方便、性能稳定、测量精度高且样品种类广等优点 ,可广泛用于各类高精度密度测量。文中介绍了振动管式液体密度传感器的组成结构和工作原理 ,论述了传感器安装方式对振动管振动的影响 ,详细阐述了密度信号频率的软同步测量方法 ,并简要介绍了密度计的硬件电路和软件流程及系统的低功耗设计。This paper introduced a portable U-style tubular vibration liquid densitometer.This densitometer has the advantage of commodious,stable,accurate,and lots different kinds of samples and wide range of density.It can be widely used in any accurate density measurement.The paper introduced the structure and the working principles of the sensor,disserted the influence of the sensor's installation mode to the vibrating-tube,represented the software synchronous measurement method of the density signal's frequency.The paper also simply introduced the hardware and software of the densitometer,and the method of realizing low-power-consumption.

关 键 词：单片机 振动管式密度计 密度传感器 频率测量 软同步 软件补偿 智能仪表 

分 类 号：TH715.2[机械工程—测试计量技术及仪器] TP216[机械工程—仪器科学与技术]