基于WiFi的体温监测传感器设计  

Design of the body temperature monitoring sensor based on WiFi

作　　者：梁明珅 陈关君[1] 杨熠[2] 尹林[2] 

机构地区：[1]中国电子科技集团公司第49研究所,黑龙江哈尔滨150001 [2]空军驻黑龙江地区军事代表室,黑龙江哈尔滨150001

出　　处：《应用科技》2011年第6期25-29,共5页Applied Science and Technology

基　　金：中国电子科技集团公司创新基金资助项目

摘　　要：为了满足体温监测传感器在应用中的无线化需求,设计了一种基于WiFi技术的体温监测传感器系统.采用了基于CO2128的WiFi通信解决方案,提高了系统的集成度和兼容性;使用了24位高精度A/D转换器,提高了测量精度.同时,结合四线制的体温测量方法,提高了测量的信噪比,并且降低了电路复杂度.通过详细的设计验证和性能试验,证明了基于WiFi的体温监测传感器具有较强的使用价值,具有较低的功耗,可以满足体温监测的精度和使用寿命要求.A system of the body temperature monitoring sensor based on WiFi was designed for the need of wireless sensor in the practical use.The integration and compatibility of this system were both improved by adopting CO2128 chip as WiFi communication scheme,and the measuring accuracy was improved by 24bit high precision A/D converter.Additionally,to increase the SNR while simultaneously decrease the circuit complexity,four-wire measurement technology was taken for body temperature.Design verification and simulation results show that the body temperature monitoring sensor based on WiFi has strong practicability and low power consumption,meeting the demands for service life and precision of body temperature monitoring.

关 键 词：CO2128 WIFI 无线传感器网络 体温测量 

分 类 号：TM932[电气工程—电力电子与电力传动]