采用OLED显示电参数测量仪表的设计  

Design of an Electric Instrument Based on OLED Display

作　　者：黄峰铭[1,2] 黄灿峰 王知宇 

机构地区：[1]泉州电业局,福建泉州362000 [2]国立华侨大学,福建泉州362021 [3]泉州亿兴电力有限公司,福建泉州362000

出　　处：《仪表技术》2012年第3期31-34,共4页Instrumentation Technology

摘　　要：文章采用OLED显示屏作为电参数测量仪表的显示终端。电压、电流、功率、功率因数等各项电参数的采集使用了专用计量芯片ATT7022B,获得数据精度高,系统稳定可靠。基于高性能、低功耗STM32芯片的处理模块使仪表支持RS-485、RJ-45等接口,还提供了多路开关量输入输出。该设计采用并联式分级供电方案处理仪表多路不同需求的电源,获得了较好的效果。OLED display screen is used as a display terminal of the electric instrument in this design.ATT7022B is used to collect parameters such as voltage,current,power,power factor and so on,which gets high precision and reliability.STM32 chip processing module,with high-performance and low-power consumption,makes instrument support RS-485 and RJ-45 communication interfaces.Also it provides for the multi-way switching I/O.The design uses parallel-connection various voltage system to deal with the different needs of the power to obtain a better effect.

关 键 词：OLED 电参数测量 STM32 ATT7022 

分 类 号：TM933[电气工程—电力电子与电力传动]