MOA泄漏电流无线采集系统的低功耗设计  

Design of wireless collecting systems for MOA leakage current with low power loss

作　　者：陈晓飞[1] 李文海[1] 邹雪城[1] 林双喜[2] 

机构地区：[1]华中科技大学电子科学与技术系,湖北武汉430074 [2]武汉工程大学电气信息学院,湖北武汉430073

出　　处：《华中科技大学学报（自然科学版）》2010年第11期8-10,共3页Journal of Huazhong University of Science and Technology(Natural Science Edition)

基　　金：国家自然科学基金资助项目(60976027)

摘　　要：设计了一种低功耗的MOA(氧化锌避雷器)泄漏电流的无线采集系统.电源电路采用二极管和电容进行设计,省去了传统采用LDO(低压差线性稳压器)设计的静态电流功耗;处理器和无线收发芯片分别采用休眠与WOR(电磁波唤醒)的工作方式来进一步降低系统功耗.最后经测试得:系统平均功耗约为1mW,经计算在3.6V,19A·h的电池供电下,该系统能够连续运行7～8a,完全满足MOA泄漏电流无线采集系统的低功耗要求.A wireless system with low power loss used for collecting MOA（metal ZnO arrest）leakage current is presented.Compared with conventional LDO（low dropout regulator）-based power circuits, a novel power circuit doesn′t have the quiescent current of LDO as adapting a new design with diode and capacitance.In order to reduce the system′s loss of power,CPU and wireless chip have the modes of hibernation and WOR（wake on radio）.The last measurement shows that the average power loss from the system is about 1mW,which indicates that the system can run 7～8awith the battery of 3.6Vand 19A·h,meeting the low power requirements of the wireless system.

关 键 词：氧化锌避雷器 泄漏电流 低功耗 电磁波唤醒 无线采集 

分 类 号：TM862[电气工程—高电压与绝缘技术]