Design of low power consumption and portable multi-lead ECG signal acquisition system

LIAO Yuan; ZHANG Mengxin; LIU Wenhan; HUANG Qijun

doi:10.13873/J.1000-9787(2019)05-0093-04

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Design of low power consumption and portable multi-lead ECG signal acquisition system

更新时间：2025-09-11

- Design of low power consumption and portable multi-lead ECG signal acquisition system
- Issue 5, Pages: 93-96(2019)
- 作者机构：
  
  武汉大学物理科学与技术学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2019)05-0093-04
  CLC： TP274.2;R318.6
- Published：2019
- 稿件说明：
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LIAO Yuan, ZHANG Mengxin, LIU Wenhan, et al. Design of low power consumption and portable multi-lead ECG signal acquisition system[J]. 2019, (5): 93-96.
DOI：

LIAO Yuan, ZHANG Mengxin, LIU Wenhan, et al. Design of low power consumption and portable multi-lead ECG signal acquisition system[J]. 2019, (5): 93-96. DOI： 10.13873/J.1000-9787(2019)05-0093-04.

摘要

针对家用医疗监护领域的需求

设计了一种低功耗、便携式多导联心电信号采集系统。采用直流耦合方法

通过生物电位测量ADS1298模拟前端

实现微弱心电信号的采集。在模拟前端中

心电信号经过可编程仪表放大器进行放大

进入24位高分辨率模/数转换器(ADC)转换成数字信号;采用STM32F103微处理器进行控制

通过低功耗ZigBee实现心电信号的无线传输;设计了预处理电路、右腿驱动和屏蔽线驱动电路减小了高频和共模干扰;系统采用锂电池供电

体积小(7 cm×8 cm×2 cm)

功耗低(214. 5 m W)。实验结果表明:设计的系统能长时间、稳定、有效地提取心电信号。

Abstract

A low power consumption and portable multi-lead electrocardiogram（ ECG） signal acquisition system is designed for the needs of home medical care field. To acquire weak ECG signal

use direct current（ DC） coupling method

by bio-potential measurement ADS1298 analog front-end. In analog front-end

the ECG signal is amplified by the programmable instrumentation amplifier

then it is converted into digital signal through 24 bit high-resolution analog-to-digital converter（ ADC）. The system is controlled by the STM32 F103 microprocessor

and the wireless transmission of ECG signals are achieved by a low power consumption ZigBee. In order to reduce high frequency and common mode interference

the pretreatment circuit

right leg drive and shielded wire drive circuits are designed. The system is powered by lithium battery

it has a small size of 7 cm × 8 cm × 2 cm and low power consumption of 214. 5 m W; Experimental results shows that the ECG signal can be acquired steadily and effectively for a long time by the designed system.

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