氨纶纬编导电针织物纵向电力学性能
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摘要
为探讨氨纶纬编导电织物在纵向拉伸时的电力学性能,采用锦纶/氨纶包芯纱和镀银导电纱线,经提花针织圆机编织了横列数为160,纵行数分别为24、48和74的3种不同组织结构的弹性纬编导电织物,并测试了该导电织物在拉伸状态下的电阻变化,分析其组织结构与纵行数对纬编导电织物电力学性能的影响。结果表明:在沿线圈纵行方向拉伸情况下,纬编导电织物呈现的电力学性能与经编导电织物相似,且横列数相同时,纵行数越少的导电织物灵敏度越好;横列数与纵行数相同时,纬平针织物的灵敏度最好,1+1罗纹织物次之,2+1罗纹织物最差。
In order to investigate the electrical physical properties of spandex weft-knitted conductive fabrics in the longitudinal direction,spandex yarns and silver-plated conductive yarns were used to weave three elastic weft-knitted conductive fabrics of different organizational structures with the transverse column number of 160 and the longitudinal row number of 24,48 and 74,respectively by a knitting circular knitting machine. The resistance changes of these conductive fabrics in the tensile state were measured,and then the influences of organizational structure and number of longitudinal rows on the electrical physical properties of conductive fabrics were analyzed. The test results show that under the longitudinal stretching conditions,the electrical physical properties of the spandex knitted conductive fabric is similar to that of the spandex warp-knitted conductive fabric. When the transverse column number is the same,the smaller the longitudinal row number,the better the sensitivity of the conductive fabric. When the transverse column number and the longitudinal row number are the same,weft-knitted fabrics have the best sensitivity,followed by 1+1 mock rib fabrics and 2+1 mock rib fabrics.
In order to investigate the electrical physical properties of spandex weft-knitted conductive fabrics in the longitudinal direction,spandex yarns and silver-plated conductive yarns were used to weave three elastic weft-knitted conductive fabrics of different organizational structures with the transverse column number of 160 and the longitudinal row number of 24,48 and 74,respectively by a knitting circular knitting machine. The resistance changes of these conductive fabrics in the tensile state were measured,and then the influences of organizational structure and number of longitudinal rows on the electrical physical properties of conductive fabrics were analyzed. The test results show that under the longitudinal stretching conditions,the electrical physical properties of the spandex knitted conductive fabric is similar to that of the spandex warp-knitted conductive fabric. When the transverse column number is the same,the smaller the longitudinal row number,the better the sensitivity of the conductive fabric. When the transverse column number and the longitudinal row number are the same,weft-knitted fabrics have the best sensitivity,followed by 1+1 mock rib fabrics and 2+1 mock rib fabrics.
引文
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[2]蔡倩文,王金凤,陈慰来.纬编针织柔性传感器结构及其导电性能[J].纺织学报,2016,37(6):48-53.CAI Qianwen, WANG Jinfeng, CHEN Weilai. Weft knitted flexible sensor structure and its electrical conductivity[J]. Journal of Textile Research,2016,37(6):48-53.
[3]易红霞,龙海如,李家成.基于针织柔性传感器无线传输系统构建与测试[J].针织工业,2015(4):59-62.YI Hongxia,LONG Hairu,LI Jiacheng. Construction and testing of wireless transmission system based on knitted flexible sensor[J]. Knitting Industries,2015(4):59-62.
[4] ATALAY O,KENNON W R,DEMIROK E. Weftknitted strain sensor for monitoring respiratory rate and its electro-mechanical modeling[J]. Sensors Journal IEEE,2015,15(1):110-122.
[5]张舒,缪旭红,RAJI Rafiu King,等.经编导电针织物的应变-电阻传感性能[J].纺织学报,2018,38(2):73-77.ZHANG Shu,MIAO Xuhong,RAJI Rafiu King,et al.Strain-resistance sensing properties of warp knitted conductive knitted fabrics[J]. Journal of Textile Research,2018,38(2):73-77.
[6]翟亚超.无缝内衣织物拉伸与弹性回复性能研究[D].上海:东华大学,2015:10-14.ZHAI Yachao. Study on tensile and elastic recovery performance of seamless underwear fabric[D].Shanghai:Donghua University,2015:10-14.
[7] GIBBS P T,ASADA H H. Wearable conductive fiber sensors for multi-axis human joint angle measurements[J]. Journal of Neuroengineering&Rehabilitation,2005,2(1):1-18.
[8]王金凤,龙海如.线圈转移对导电弹性针织柔性传感器的电-力学性能影响[J].纺织学报,2013,34(7):62-68.WANG Jinfeng,LONG Hairu. Effect of coil transfer on the electro-mechanical properties of conductive elastic knitted flexible sensors[J]. Journal of Textile Research,2013,34(7):62-68.
[9]王金凤,龙海如,李家成.接触电阻对导电纬平针织物柔性传感器的电-力学性能影响[J].东华大学学报(自然科学版),2013,39(5):608-613.WANG Jinfeng,LONG Hairu,LI Jiacheng. Electromechanical properties of flexible sensors based on contact resistance for conducting knitted fabrics[J].Journal of Donghua University(Natural Science Edition),2013,39(5):608-613.
[10]王金凤.导电针织柔性传感器的电-力学性能及内衣压力测试研究[D].上海:东华大学,2013:32-47.WANG Jinfeng. Research on electro-mechanical properties and stress testing of underwear in conductive knitted flexible sensors[D]. Shanghai:Donghua University,2013:32-47.