摘要
脉搏测量是医疗护理基本监测工作之一,传统脉搏传感器多采用的是比如指脉、耳脉等方式,但具有难以有效维护、数据不精确等弊端;为有效解决上述问题,设计了一款基于STC89C52单片机的指脉测量仪,运用红外对管传感器以及光电转换,感知手指的微弱波动实现信号接收;该设计采用STC89C52单片机作为控制器核心,通过心率传感器来输出方波,当单片机收到相应脉冲波,数码管即可进行计数向接收端发送信号,达到脉搏测量仪计数和监控功能;调式与实际验证,该设计的脉搏测量仪与听诊器比,绝对误差为1.1,相对误差为0.9%,通过相关的调试使用,该脉搏测量仪成功实现了设计时的相应功能,具有潜在应用推广价值。
Pulse measurement is one of the basic monitoring work in medical care.The traditional pulse sensor mostly uses finger pulse,ear pulse and other methods,but it also has the disadvantages of difficult to effectively maintain and inaccurate data.In order to effectively solve the above problems,a digital pulse measuring instrument based on STC89C52 single chip microcomputer is designed.The infrared tube sensor and photoelectric conversion are used to sense the weak fluctuation of fingers and realize signal reception.This design uses STC89C52 microcontroller as the core of the controller,and outputs square wave through the heart rate sensor.When the microcontroller receives the corresponding pulse wave,the digital tube can count and send signals to the receiving end to achieve the counting and monitoring functions of the pulse meter.The absolute error is 1.1 and the relative error is 0.9%compared with the stethoscope.Through the relevant debugging and use,the pulse meter successfully realizes the corresponding functions in the design,and has the potential application value.
作者
周择文
邵婷婷
Zhou Zewen;Shao Tingting(Yan'an University School of Physics and Electronic Information,Yan'an 716000,China)
出处
《计算机测量与控制》
2021年第2期246-250,共5页
Computer Measurement &Control
基金
陕西省能源大数据智能处理省市共建重点实验室开放基金项目(IPBED19)。
关键词
STC89C52单片机
指脉
测量仪
STC89C52 single chip microcomputer
finger pulse
measuring instrument
