Reflective type oxygen saturation detection system based on AFE4400

CHEN Zhen-cheng; GAN Yong-jin; ZHU Jian-ming

doi:10.13873/J.1000-9787(2016)05-0091-03

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Reflective type oxygen saturation detection system based on AFE4400

更新时间：2025-09-11

- Reflective type oxygen saturation detection system based on AFE4400
- Vol. 35, Issue 5, Pages: 91-93+96(2016)
- 作者机构：
  
  桂林电子科技大学生命与环境科学学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2016)05-0091-03
  CLC： R446
- Published：2016
- 稿件说明：
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[1]陈真诚,甘永进,朱健铭.基于AFE4400的反射式血氧饱和度检测系统[J].传感器与微系统,2016,35(05):91-93+96.

CHEN Zhen-cheng, GAN Yong-jin, ZHU Jian-ming. Reflective type oxygen saturation detection system based on AFE4400[J]. 2016, 35(5): 91-93+96.
[1]陈真诚,甘永进,朱健铭.基于AFE4400的反射式血氧饱和度检测系统[J].传感器与微系统,2016,35(05):91-93+96. DOI： 10.13873/J.1000-9787(2016)05-0091-03.

CHEN Zhen-cheng, GAN Yong-jin, ZHU Jian-ming. Reflective type oxygen saturation detection system based on AFE4400[J]. 2016, 35(5): 91-93+96. DOI： 10.13873/J.1000-9787(2016)05-0091-03.

摘要

由于透射式血氧的检测方法受到使用范围限制

因此通过反射式来检测血氧饱和度成了发展的主流。介绍了一种以MSP430F5529为处理器

且基于TI血氧模拟前端芯片AFE4400的反射式脉搏血氧饱和度检测系统的设计方案。通过对比几种基于小波变换的滤波算法的去噪效果

选择最优的滤波算法

以MSP430F5529超微功耗单片机为核心处理器来实现对指尖脉搏信号的采集和降噪的处理。经过实际检验验证样机

基本实现了反射方式对脉搏血氧饱和度的检测功能。

Abstract

Because of limitation of transmission type oxygen detecting method

using reflective type oxygen instrument to test blood oxygen saturation become main flow of development. Based on TI blood oxygen analog front-end chip AFE4400 and processor MSP430F5529

a design scheme of reflective type pulse oxygen saturation detection system is introduced. In system design process

compare denoising effect of several filtering algorithm based on wavelet transform

select the optimal filtering algorithm

use MSP430F5529 as core processor to complete aquisition of fingerpoint pulse signal and denoising processing. Through practical test

the system prototype machine realizes the function of pulse oxygen saturation detection.

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references

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基于S3C2440A的无创血氧检测系统设计 [J]. 张强,忻尚芝,邢斌. 电子技术应用 . 2013(06)

反射式血氧饱和度测量系统设计 [J]. 许晓峰,历哲,凌振宝. 吉林大学学报(信息科学版) . 2013(03)

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基于无创血糖检测的传感器集成设计 [J]. 王弟亚,陈真诚,朱健铭,金星亮. 传感器与微系统 . 2009(12)

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