Integrated Design of Flexible Temperature Sensor and Temperature Regulation Module and Its Adaptability Research in Smart Clothing
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Abstract
To address the coordination issue between temperature sensing and dynamic thermal management in smart clothing, this study investigates the seamless integration of fiber-based flexible sensors and textile-integrated temperature regulation modules. By embedding these components directly into intelligent fabric structures, the proposed design improves wearing comfort and environmental adaptability while supporting the development of wearable electromagnetic sensing and intelligent thermal management systems. Experimental results show that the flexible temperature sensor exhibits a Temperature Coefficient of Resistance (TCR) of -3.8%/◦C, a response time of 0.35 s, and a temperature measurement accuracy of ±0.1◦C within the range of 0–50◦C. The temperature regulation module achieves precise control within the comfort range of 28–38◦C, with a heating rate of 1.1◦C/min and a heating uniformity error below 5%. After 500 bending cycles, the integrated system demonstrates performance attenuation below 8%, maintains good compatibility with knitted and woven fabrics, and preserves air permeability above 82%. Spectral analysis confirms that the sensor resistance–temperature response mechanism is insensitive to visible light, while the flexible encapsulation design provides sufficient expansion space for the PTC effect. The proposed integrated architecture offers reliable technical support for dynamic thermal management in smart clothing and provides valuable references for wearable electromagnetic sensing, intelligent physiological monitoring, and multifunctional electronic textile applications.
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