摘要
提出了一种基于MSP430单片机的能够自动实时监控输液状态的无线报警系统.系统采用OPA2335放大来自称重传感器的模拟信号,经ADS7818转换为数字信号;由MSP430单片机监控输液状态,产生报警信息并通过无线发射系统发出;地址匹配的接收端接收到报警信号后显示报警的地址和床位信息等.系统具有体积小、功耗低、传输距离较远的特点,实用性强、性能稳定,有一定的推广价值.
A wireless alarm system for transfusion security is designed based on MCU of MSP430 of TI,which can realize the automatic and real time monitoring of transfusion situation. The analog signal sampled from pressure sen- sor is amplified by OPA2335 and then converted into digital signal by ADS7818. The status of transfusion is moni- tored by using MSP430,which will generate and send alarm signal via wireless transmission system. The alarm signal is received by the paired receiving part,and is decoded to show the room and bed number of the patient with trans- fusion anomalies. Featured with small size,low power consumption,long transmitting distance and stable perform- ance,this system has practical value and can be promoted in medical applications.
出处
《南京信息工程大学学报（自然科学版）》
CAS
2013年第6期548-552,共5页
Journal of Nanjing University of Information Science & Technology（Natural Science Edition）
基金
国家自然科学基金(61308072)
