一种柔性触控装置的研制  

Development of a flexible touch pad

作　　者：刘玲玲[1] 丁辛[1,2] 杨旭东[1,2] 

机构地区：[1]东华大学纺织学院,上海201620 [2]东华大学纺织面料技术教育部重点实验室,上海201620

出　　处：《纺织学报》2011年第9期59-63,共5页Journal of Textile Research

摘　　要：提高柔性触控装置的触控分辨率将导致其外接更多的导线,带来信号干扰、柔性降低等问题。为了解决这一问题,提出应用四线电阻式触摸屏的原理研制柔性触控装置,该装置以柔性导电碳膜为主要材料。测试表明,触控装置在平铺状态下X方向的线性度为±1.316%,Y方向的线性度为±0.796%;在100 mm×100 mm有效区域内分辨率可以达到380像素×628像素;模拟施压0.5～0.7 N时触控装置能给出迅速反应;在弯曲和小张力变形时定位不受明显影响,是一种理想的柔性位置传感器。The enhancement of the resolution of touch of a flexible touch pad will lead to connection of more external wires,resulting in signal disturbance and flexibility reduction.For solving these problems,a flexible touch pad is developed based on the working principle of 4-wire resistive touch screen and made of conductive carbon films.The testing results show that the linearity of the touch pad in X and Y directions are ±1.316% and ±0.796%,respectively,under a flattened placement.Within the working area of 100 mm×100 mm,the resolution reaches as high as 380 dpi×628 dpi.The touch pad can give a quick response when an applied touch force is 0.5~0.7 N.Under small strains of bending and tension,no significant influence on its positioning accuracy is observed.Therefore,it is an ideal flexible sensor for positioning.

关 键 词：智能纺织品 可穿戴性 电阻式 柔性触控装置 线性度 灵敏度 

分 类 号：TP212.1[自动化与计算机技术—检测技术与自动化装置]