CAJ | 학술논문

文章设计了基于公共电话网的家用智能心率监控系统,该系统由采集心率的下位机和基于公共电话网远程报警的上位机组成,两者之间采用无线通讯。下位机心率采集部分利用压电陶瓷传感器,将采集到的信号经过后级放大滤波整形得到稳定的方波信号,应用单片机技术将脉搏信号转换成心率值通过1602液晶显示,并对异常信号通过PT2262/2272无线通讯模块发送给上位机,上位机通过公用电话网进行报警,可以实现实时监测,远程通讯和呼救等多种功能。
문장설계료기우공공전화망적가용지능심솔감공계통,해계통유채집심솔적하위궤화기우공공전화망원정보경적상위궤조성,량자지간채용무선통신。하위궤심솔채집부분이용압전도자전감기,장채집도적신호경과후급방대려파정형득도은정적방파신호,응용단편궤기술장맥박신호전환성심솔치통과1602액정현시,병대이상신호통과PT2262/2272무선통신모괴발송급상위궤,상위궤통과공용전화망진행보경,가이실현실시감측,원정통신화호구등다충공능。
A kind of home-used intelligent heart rate monitor system based on PSTN is designed in this paper.The system is composed of the lower computer used to collect the heart rate and the upper computer used to romotely alarm by PSTN,and these two parts can wirelessly communicate with each other.The lower computer of heart rate collection adopts piezoelectric ceramic sensor.With the designed amplifying circuit,filter circuit,and shaping circuit,we finally can get the heart rate square wave signal.And comprehensively utilizing the technology of MCU and wireless communication,the pulse signal can be convert into heart rate values which is displayed by LCD-1602,and the lower computer can send the anomalous heart rate signal to upper computer by the wireless module PT2262/2272,then the upper computer alarms by the PSTN.Thus,the intelligent heart system can achieve the functions of real-time monitoring,telecommunications and crying for help.