额面体温无线动态监测仪

来源 :2014年上海市研究生学术论坛:生物医疗仪器 | 被引量 : 0次 | 上传用户:TSSSSSS
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  目的:研制一款便携式额面体温及心率监测仪,实现体温及心率的持续动态监测.方法:额面温度及环境温度分别采用数字温度传感器TSIC506与DS18B20进行采集,输入单片机CC2541中,经环境温度补偿方法及标定后,推算出人体标准温度值;脉搏信号由光电式脉搏传感器Pulse Sensor采集后进行滤波放大,输入单片机中,经片内A/D转换及心率检测算法计算后得到心率值.体温及心率值最终输出至LCD屏实时显示,且通过单片机蓝牙模块与蓝牙终端连接,由终端软件显示体温曲线及心率波.当体温或心率超出设定阈值时,软件发出报警信息.整个监测仪采用纽扣电池供电,所用器件均为低功耗;且与发带结合,适宜穿戴.结论:温度测量精度±0.1℃,心率测量准确度±1次;刷新周期8s,LCD屏及蓝牙终端均能动态显示体温及心率.监测仪外观为一款发带,穿戴方便,适用于儿童、老人长期体温及心率监测,并可实现远距离传输与监控.
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