基于MSP430设计多路电压电流测量仪  

Design of multi-channel voltage and current measuring instrument based on MSP430

作　　者：马颖[1] 

机构地区：[1]四川信息职业技术学院,四川广元628040

出　　处：《信息技术》2013年第5期181-184,共4页Information Technology

摘　　要：多路电压电流测量仪以MSP430为控制核心,辅以外部分压网络、电压采集网络、电流采集网络、自动量程数据切换网络,信号放大网络、12864点阵液晶显示模块、成功地实现了自动量程转换,四路数据同时测量,显示两路电压、显示两路电流。利用MCU自带的12bit超高速A/D转换器实现了高精度数据采集,系统功能完善、运行稳定、可扩展性强,使整个仪表功耗极低,符合手持仪表节能环保、测量便捷的特点。Multi-channel voltage and current measurement instrument as MSP430F149 control core, complemented by the external voltage divider network voltage collection network current collection network, automatic range switching data network, signal networks, 12,864 dot matrix liquid crystal display modules, successful implementation of automatic range-changing circuit, four-channel simultaneous measurement data, display of two-channel voltage, two-channel current. Used MCU with 12bit ultra high-speed A/D converter it enables high-accuracy data acquisition system fully functional, running stability, scalability, strong, so that the whole instrument power consumption is very low, in line with the characteristics of energy-saving environmental protection, surveying and convenient handheld instrument.

关 键 词：MSP430 液晶显示 高精度数据采集 自动转换 

分 类 号：TM932[电气工程—电力电子与电力传动]