光电脉搏传感器的设计与改进  

The Design and Improvement of Photoelectric Pulse Sensor

作　　者：张珣[1] 周杰 

机构地区：[1]杭州电子科技大学电子信息学院,浙江杭州310018

出　　处：《中国医疗器械杂志》2009年第5期344-346,共3页Chinese Journal of Medical Instrumentation

基　　金：国家自然科学基金资助项目(60871020)

摘　　要：介绍了传统光电脉搏传感器存在的干扰,采用激光二极管代替普通发光二极管,改善了光源质量;设计了双集成化光敏芯片OPT101为核心的信号提取电路,改进了信号检测电路的设计;提出了基于nRF24E1的数据传输方法,实现了数据的无线传输。试验表明,该系统能有效地抑制干扰提高精度,得到较理想的脉搏波信号。This paper introduces the design of traditional photoelectric pulse sensor, researches the measure noise and realizes the improvement of the sensor. Laser diode is used instead of traditional LED to improve the quality of the light source. The circuit is designed based on double OPT101,and the signal detection circuit is improved. Data communication is proposed based on nRF24E1 and data wireless communication is realized. The test results indicate that the system can efficiently remove the system noise and improve the precision of measure.

关 键 词：光电脉搏传感器 脉搏波 NRF24E1 无线传输 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]