Abstract
Traditional knitted fabrics have been extensively applied in dresses and home decoration, and in recent years, the applications of the fabrics knitted by new technologies and new materials also increase in other fields. The conductive fiber knitted fabrics was used in the article, and its electric properties under transverse stretching were tested and researched. Based on the electric model of 1×1 rib fabrics, the silver-coasted conductive yarns were adopted to knit the conductive fabrics, and the stretching test was conducted, and the relationship between stretching and resistance was primarily analyzed. Then, a product prototype, an electronic organ with force sensitive keyboard was designed. The test result reveals that it works well.
Highlights
Traditional knitted fabrics have been extensively applied in dresses and home decoration, and in recent years, the applications of the fabrics knitted by new technologies and new materials increase in other fields
Some literature had acquired the relation between the resistance and density of the flat conductive knitting fabrics with the single-axis stretching through test and theoretical analysis, and studied the impacts of various factors on the conductive knitted fabrics, and established the theoretical model (Yang, 2006)
These scholars studied the application of conductive knitted fabrics, and most of them aimed at the plain knitted fabrics, and few of them studied the conductive knitted fabrics with other textures, because other textures such as 1×1 rib texture has different geometric structure and electric property with the plain knitted texture
Summary
The theoretical research of conductive knitted fabrics is based on following hypothesis, i.e. the unit length of conductive fiber resistance is invariable, and isn’t impacted by the stretching and distortion in certain stretching range (Xue, 2004). The electrics model of 1×1 rib conductive knitted fabrics can be established based on Ohm’s Law and Kirchhoff’s Law, and the formula (1) is the matrix expression of various loop currents. Denotes the matrix expression of the k’th row and the j’th line in the network circuit model, i k denotes the loop current of the mesh in the circuit model, U j is the exterior voltage of the circuit, and m is odd number and n is natural number. Through computing in (1), the total current i( m+1)×n+1 of the whole loop can be obtained, and ( m +1) × n +1 2 is the amount of loop
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