Journal
JOURNAL OF INDUSTRIAL TEXTILES
Volume 44, Issue 3, Pages 398-417Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/1528083713495249
Keywords
Temperature sensor; resistance temperature detector; textile sensors; wire inlaying into knitted structure; electronic flat-bed knitting machine
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Funding
- NED University of Engineering & Technology, Pakistan through the Higher Education Commission of Pakistan
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A temperature sensing fabric is described, along with the manufacturing techniques required to produce the fabric on a computerised flat-bed knitting machine. Knitted sensing fabrics with copper, nickel and tungsten wire elements have been produced with resistances ranging from 3 to 130. The most successful samples have been created using textile-wrapped, enamelled wire and not only the textile character of the sensing element was enhanced, but also its tensile strength. A mathematical relationship has been derived between the temperature and resistance of the knitted sensors and this can be used to optimise its dimensions to achieve a targeted reference resistance. The temperature-resistance curves demonstrate a linear trend with a coefficient of determination in the range of 0.99-0.999 and can be integrated into garments to monitor skin temperatures.
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