一种接触式液位测量仪的设计与实现  

Design and Implementation of a Contact Liquid Level Measuring Instrument

作　　者：张永红 田海丽 ZHANG Yonghong;TIAN Haili(Zhengzhou Shengda Uinversity,Zhengzhou,Henan Province,451191 China)

机构地区：[1]郑州升达经贸管理学院,河南郑州451191

出　　处：《科技创新导报》2021年第27期50-52,共3页Science and Technology Innovation Herald

摘　　要：利用极板间的物质不同电容大小不同的原理,采用矩阵电容技术,动态分析传感器在介质中各种参数,自动进行精确补偿,输出信号随液位改变呈线性连续变化。整机无任何弹性部件和可动部件,耐冲击、安装方便,可安装在各种场合,对汽油、柴油、液压油的油位及其他弱腐蚀性液体的液位进行准确测量。无须人工干预,自动校准,不存在温度漂移,且不受介质的变化影响,并配置GPS+GPRS模块,可实现将测量地点、测量数据及时传送给云服务器。Based on the principle of different capacitance between plates,the matrix capacitance technology is adopted to dynamically analyze various parameters of the sensor in the medium and automatically compensate accurately.The output signal changes linearly and continuously with the change of liquid level.The machine does not have any elastic parts and movable parts.It is impact resistant and easy to install.It can be installed in various occasions to accurately measure the oil level of gasoline,diesel,hydraulic oil and other weakly corrosive liquids.No manual intervention,automatic calibration,no temperature drift,and not affected by the change of medium.The GPS+GPRS module is configured to timely transmit the measurement location and measurement data to the cloud server.

关 键 词：C8051F997 芯片 电容量 卡尔曼滤波 分段式 

分 类 号：TH816[机械工程—仪器科学与技术]