基于M-BUS的电磁式明渠流量计的设计  

Design on Electromagnetic type Open Channel Flowmeter Base on M-BUS

作　　者：张丽丽[1] 司炜[1] 侯顺强[2] 

机构地区：[1]山东科技大学,山东青岛266590 [2]青岛滨海学院,山东青岛266555

出　　处：《煤炭工程》2012年第10期126-128,131,共4页Coal Engineering

基　　金：山东省高等学校科技计划项目(J09LG20)

摘　　要：文章针对煤矿明渠流量的特点,介绍了一种新型的电磁式流量计的设计方法。采用了一种新型的与液体电导率无关的液位测量方法,同时利用传统有效的电磁感应原理来测量液体流速;数据传输采用了适用于远程抄表系统的M-BUS总线,并自行研制了主从机接收模块;采用了可编程低频矩形波励磁方式,使得流量计具有高精度、低功耗和智能化的特点。According to the features of the open channel flow in the coal mine,the paper introduced a design method of a new electromagnetic type Flowmeter.A new liquid level measuring method without a liquid conductivity was applied and a conventional effective electromagnetic induction principle was applied to measure the liquid flow velocity.The M-Bus suitable for the remote meter reading system was applied to the data transmission.A programmable low frequency rectangle wave excitation method was applied to make the flowmeter have the features of the high accuracy,low power consumption and intelligence.

关 键 词：明渠流量计 液位测量 电磁感应 励磁方式 M-BUS总线 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]