超低功耗超声波热量表的设计  

Design of Ultralow-Power Ultrasonic Heat Meter

作　　者：张宁[1] 任贵文[1] 王艳艳[1] 

机构地区：[1]山东科技大学信电学院

出　　处：《可编程控制器与工厂自动化（PLC FA）》2012年第1期58-60,共3页Programmable controller & Factory Automation(PLC & FA)

摘　　要：低功耗与高精度是热量表的关键。本文设计了基于超低功耗单片机MSP430系列为主要控制器和高精度TDC-GP21为主测量芯片的的小管道超声波式热量表。液晶汉显,用户界面良好。通信方式多样,抄表方便。实验表明,本设计具有超功耗低、精度高、对外界环境要求低,易于集中管理等优点。Low-power and high precision are very important to the heat meter.Thispaper designed a kind of heat meter of small pipe with the ultralow power chipMSP430Fx as the main controller and high precision TDC-GP21 as the main measurechip.Chinese character display with low-power liquid crystal makes a good userinterface.Meter reading is convenient with multi-communication ways.Test shows that the design has advantages as ultralow-power,high precision,flexible and easy to central manage.

关 键 词：低功耗 MSP430 热量表 TDC-GP21 超声波 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]