| 摘要 |
PURPOSE: A carbon fiber-based heating sofa is provided to improve the life expectancy and maintain a heating function by replacing a heating mat in case of the malfunction of the heating mat. CONSTITUTION: Two kinds of cotton are selected from tourmaline cotton, illite cotton, charcoal cotton, sericite cotton, red-clay cotton, and elvan cotton. A heating mat(2) is composed of the selected cotton, carbon fiber-based heating body, a bimetal, and a sensor. The heating mat is detachably assembled with a sofa mattress(1) in order to form a heating mattress(3). If the heating mat is malfunction, the heating mat is replaced with new heating mat.
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