由霍尔元件和单片机构成油水界面测量仪  

The Instrument For Measuring Interface Of Petroleum And Water Composed By UGN3020 And 80C552

作　　者：田景文[1] 

机构地区：[1]黑龙江安达市大庆石油学院,151400

出　　处：《传感器世界》2000年第7期21-23,20,共4页Sensor World

摘　　要：本文介绍一种利用霍尔开关和单片机,采用二级译码选通循检的方式,测量油水界面和油液面仪器,直接采用数字量传输省去A/D转换过程或复杂的编码过程,其原理结构清晰简捷,元器件便宜,整个仪器具有较高的性能价格比。A kind of instrument for measurement interface of petroleum and water is introduced in this paper. It is composed by UGN3020(Hall switch sensor) and 80C552 microcontroller. The method of two grade coding selecting date is used in the instrument.

关 键 词：霍尔开关 二级译码 油水界面测量仪 单片机 油罐 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]