织边结构弹性传感机织带的制备及其传感性能影响因素  

Preparation of weaving edge structure flexible sensor woven webbing and analysis of influencing factors on sensing performance

作　　者：史雅楠 马颜雪 樊平 薛文良[1] 李毓陵[1] SHI Ya′nan;MA Yanxue;FAN Ping;XUE Wenliang;LI Yuling(College of Textiles,Donghua University,Shanghai 201620,China;Zhejiang Aoya Weaving Co.,Ltd.,Jinhua,Zhejiang 321000,China)

机构地区：[1]东华大学纺织学院,上海201620 [2]浙江澳亚织造股份有限公司,浙江金华321000

出　　处：《纺织学报》2024年第11期114-120,共7页Journal of Textile Research

基　　金：中央高校基本科研业务费项目(2232020E-10)。

摘　　要：为探究弹性传感机织带经向及其织边发生应变时织带电阻信号的变化规律,利用锁边工艺,将镀银锦纶导电纱线作为锁边纱,二烯类弹性纤维作为弹力经纱织造弹性机织带。通过改变弹力经纱线密度、根数和上机纬密,织造了27种不同规格的弹性传感机织带,分析各因素对织带传感性能的影响,并选用传感性能最好的一款织带制作成肩颈矫形带,监测人体姿势性驼背角度变化,以验证所制备弹性织带的传感效果。试验结果显示,基于锁边工艺制备的弹性传感织带的传感特征曲线呈增长趋势,线性特征较理想,灵敏度高,性能稳定,上机纬密和弹力经纱线密度这2个因素对于传感性能有更显著的影响。同时人体姿态变化模拟试验结果也表明,织带应变的电阻值变化能够反映人体胸椎与颈椎间的偏离角度,发挥稳定的传感作用。Objective Current research mainly focuses on monitoring human physiological signals or fingers movements that can cause a certain strain under low stress.However,shoulder and neck movement require high stress to cause small strain,which is difficult to be monitored using knitted sensing fabrics.Therefore,the study aimed to develop elastic sensing woven webbing,to investigate its design and fabrication method,and to explore the sensing properties and the application feasibility through corresponding human wearing test.Method The conductive yarns were used as selvage yarns in elastic web weaving process.Effects of on-machine weft density,elastic yarn fineness and the number of conductive yarns on sensing properties were explored.Three levels of each factor created 27 treatment combinations,leading to 27 elastic woven webbing samples with different tensile properties.The resistances in a certain length of the webbing samples were measured when the elastic webbings were stretched to the same strain.The resistance-strain curve was developed,presenting the sensing curve.Linearity and reproducibility of the sensing property were analyzed after repeated tests.Also,the corresponding equivalent resistance calculation formula was obtained so that to examine the selvedge structure and the sensing mechanism caused by conductive yarns.Finally,the elastic webbing with the best performance was applied in a wearing experiment of human postural hunchback angle monitoring to verify the stability and application possibility of the sensing webbing.Results The sensing curves of elastic sensing woven webbing demonstrated an increasing trend with ideal linear feature,with high corresponding sensitivity and stable repeatability.The special selvage structure of the elastic woven webbing was found to play an important role in sensing properties.Increasing the on-machine weft density,fineness of elastic yarn,or the number of elastic yarns in the locked selvage enhanced the sensitivity of the sensing elastic webbing.In addition,the human wea

关 键 词：传感纺织品 锁边结构 机织工艺 弹力织物 传感性能 灵敏度 

分 类 号：TS101.8[轻工技术与工程—纺织工程]