基于STM32的心电采集仪设计

›› 2014, Vol. 27 ›› Issue (4): 108-.

基于STM32的心电采集仪设计

谢顺,张一斌

(长沙理工大学电气与信息工程学院,湖南长沙 410004)

出版日期:2014-04-15 发布日期:2014-05-14
作者简介:谢顺(1988—),男,硕士研究生。研究方向:嵌入式、仪器仪表。E-mail:893607737@qq.com。张一斌(1957—),男,教授。研究方向:智能仪器仪表。

The Design of Electrocardiogram Acquisition Instrument Based on STM32

XIE Shun,ZHANG Yibin

(Institute of Electrical and Information Engineering,Changsha University of Science and Technology,Changsha 410004,China)

Online:2014-04-15 Published:2014-05-14

摘要/Abstract

摘要：

文中介绍了一种基于STM32处理器的心电采集仪的具体设计方案,该方案实现了从强噪声环境下通过AgCl电极和三导联线心电采集线提取微弱心电信号,再经AD620和OP07为核心元件的模拟前端对采集到的心电信号进行滤波放大,最后通过STM32单片机进行数字化处理,得到清晰、稳定并能够反映人体实际心电特征的生物电信号,同时在LCD上实时显示。本设计简单实用、稳定性高,且具有一定的医用价值。

关键词: STM32处理器;AD620;心电信号;滤波

Abstract:

This paper introduces a scheme of electrocardiogram acquisition instrument based on STM32 processor,the scheme realizes the extraction of weak signal from strong noise environment through the AgCl electrode and a three lead ECG acquisition line,followed by AD620 and OP07 as the core component of the analog front end of the collected ECG signal filtering amplifying,finally digital processing by using STM32 processor,biological signals are clear,stable and can reflect the actual characteristics of the human ECG,and in the LCD real time display,the design is simple and practical,high stability,has certain medical value.

Key words: STM32 processor;AD620;ECG signal;the filter

中图分类号:

TH77

谢顺,张一斌. 基于STM32的心电采集仪设计[J]. , 2014, 27(4): 108-.

XIE Shun,ZHANG Yibin. The Design of Electrocardiogram Acquisition Instrument Based on STM32[J]. , 2014, 27(4): 108-.