数字电位器DS1267在应变测量调理系统中的应用  

Digital Potentiometer DS1267 in Strain Measurement and Condition System

作　　者：刘嘉[1] 

机构地区：[1]南昌工程学院机械与动力工程系,江西南昌330099

出　　处：《测控技术》2010年第5期97-98,101,共3页Measurement & Control Technology

摘　　要：数字电位器具有抗干扰能力强、容易实现智能化等特点。介绍了数字电位器在应变测量与调理系统中的应用。在以单片机为基础的应变测量与调理系统中,利用了数字电位器DS1267的程控特性和单片机PIC16F873的控制能力来完成电桥的自动平衡和电路的调零。详细阐述了其硬件电路及软件编程。该方案在"基于以太网技术的应变测控系统"中得到实际应用。Digital potentiometer DS1267 is of program-controllability and strong anti-jamming ability. Its application in strain measuring and conditioning system is presented, also its hardware and firmware design is introduced in detail. MCU PIC16F873 and DS1267 is cooperated to balance the bridge and zero the circuit. The design has realized in ＂Strain measurement and control system based on Ethernet technology＂.

关 键 词：数字电位器 DS1267 程控调零 PIC16F873 

分 类 号：TM547[电气工程—电器]