Abstract
In this study, a textile-based flexible temperature-sensing fabric is designed. Organization of the fabric is stitching double weaves arrangement, and a continuous temperature-sensitive Pt fiber is embedded into the woven fabric through the common weaving technology. The design of the double-layer woven structure forms a relatively stable protection for the temperature-sensitive fibers, which greatly improves the durability of the fabric. Through experimental tests that simulate practical applications at 20-50 °C, the fabric exhibits good temperature sensing performance, its temperature coefficient of resistance is higher than 0.00213 °C-1, the resistance-temperature relationship fitting linear coefficient is greater than 98%, and it has a hysteresis of only 3.65%. When the fabric is subjected to the external force of pressure and tension, the temperature-sensing area presents a relatively stable resistance, and when it is affected by bending, the electrical signal of the fabric presents an obvious negative correlation with the bending angle. Under different ambient temperatures, the resistance of the fabric remains stable, which is convenient for design in various parts of clothing and realizes daily monitoring of human body temperature.
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