基于石墨烯织物电极的七导联心电监测系统

doi:10.13475/j.fzxb.20210501606

纺织学报 ›› 2022, Vol. 43 ›› Issue (07): 149-154.doi: 10.13475/j.fzxb.20210501606

基于石墨烯织物电极的七导联心电监测系统

李瑞凯¹^,², 李瑞昌³, 朱琳², 刘向阳⁴()

1.河北大学质量技术监督学院, 河北保定 071000
2.河北大学附属医院, 河北保定 071000
3.河北工业大学经济管理学院, 天津 300401
4.厦门大学海洋与地球学院, 福建厦门 361005

收稿日期:2021-05-08 修回日期:2022-03-21 出版日期:2022-07-15 发布日期:2022-07-29
通讯作者: 刘向阳
作者简介:李瑞凯(1991—),男,工程师,博士生。主要研究方向为心电与脑电信号采集与处理。
基金资助:
国家自然科学基金项目(U20A200817);国家自然科学基金项目(12172117)

System of seven-lead electrocardiogram monitoring based on graphene fabric electrodes

LI Ruikai¹^,², LI Ruichang³, ZHU Lin², LIU Xiangyang⁴()

1. School of Quality and Technical Supervision, Hebei University, Baoding, Hebei 071000, China
2. Affiliated Hospital of Hebei University, Baoding, Hebei 071000, China
3. School of Economics and Management, Hebei University of Technology, Tianjin 300401, China
4. College of Ocean and Earth Sciences, Xiamen University, Xiamen, Fujian 361005, China

Received:2021-05-08 Revised:2022-03-21 Published:2022-07-15 Online:2022-07-29
Contact: LIU Xiangyang

摘要/Abstract

摘要：

针对Ag/AgCl凝胶电极不适合长期使用、单导联可穿戴心电监测设备导联数较少的现状,设计了一款基于石墨烯织物电极的七导联可穿戴心电监测系统。该系统由棉/T400高弹心电衣、石墨烯织物电极、七导联心电采集终端及手机应用程序(APP)共4部分组成。对该系统连续工作时间、连续佩戴信号质量以及多使用场景等进行了测试和分析。结果表明:石墨烯织物电极连续佩戴7 d后心电信号信噪比仍达29.8 dB;该系统以250 mA·h容量锂电池在满电情况下连续使用可长达5 d,在静息、步行、慢跑等多种运动状态测试场景中,以及静息自汗的身体状况下,依然可采集到高质量的心电信号,为心电数据智能分析和医生的精确诊断提供有效信息,在心脏疾病的连续远程监护中具有重要应用价值。

关键词: 石墨烯织物电极, 智能纺织品, 七导联, 穿戴式心电监测系统, 低功耗, 棉/T400高弹心电衣

Abstract:

Aiming at the problems that Ag/AgCl gel electrode is not suitable for long-term monitoring and the single lead for wearable electrocardiogram (ECG) device is insufficient for precise examination, a seven-lead wearable ECG monitoring system based on graphene fabric electrode was designed. The system was made of four parts, i.e. the cotton/T400 blended high-elastic ECG suit, a graphene fabric electrode, a seven-lead ECG acquisition terminal, and an APP for data display. The continuous work hours, continuous wearing signal quality and multiple usage scenarios of the system were measured for analysis. The test results show that the SNR (signal/noise ratio) of ECG signal is about 29.8 dB after wearing the graphene fabric electrode for 7 days continuously. The device with a 250 mA·h lithium battery can be used for a maximum of 5 days. It has high reliability, accuracy and wearability in multiple test scenarios of resting, walking, jogging and resting spontaneous sweating. To some extent, it has great potential for continuous remote monitoring.

Key words: graphene fabric electrodes, smart textiles, seven-lead, wearable electrocardiogram monitoring terminal, low energy, cotton/T400 blended high-elastic electrocardiogram suit

中图分类号:

R318.6

李瑞凯, 李瑞昌, 朱琳, 刘向阳. 基于石墨烯织物电极的七导联心电监测系统[J]. 纺织学报, 2022, 43(07): 149-154.

LI Ruikai, LI Ruichang, ZHU Lin, LIU Xiangyang. System of seven-lead electrocardiogram monitoring based on graphene fabric electrodes[J]. Journal of Textile Research, 2022, 43(07): 149-154.

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时间/d	电压幅值/mV	信噪比/dB
1	18.6	23.9
2	18.2	28.3
3	18.3	34.2
4	21.2	29.1
5	26.9	32.3
6	25.8	27.9
7	30.2	29.8

基于石墨烯织物电极的七导联心电监测系统

System of seven-lead electrocardiogram monitoring based on graphene fabric electrodes

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