Electric heat back of body core with brilliant heating film of wet -type carbon

The utility model provides an electric heat back of body core with brilliant heating film of wet -type carbon, the three slice sizes of in the core substrate is being carried on the back in back of the body core substrate, embedding the same and brilliant heating film of wet -type carbon parallel connection and dc supply power, wherein every the brilliant heating film's of wet -type carbon lengthis 6cm, every power supply's positive negative pole is connected at both ends on the brilliant heating film's of wet -type carbon the width direction, every is distance between the two poles of the earth on the brilliant heating film of wet -type carbon 5.5 6.5cm, the power supply voltage of dc supply power is 5V. The utility model discloses considering human best personally experiencing sth. Part of the body and feeling, consider ambient temperature's change again, accord with the human engineering principle, relatively the science is with suitable. 种带有湿式碳晶发热膜的电热背芯，包括背芯基材、嵌入在背芯基材内的三片大小相同且并联连接的湿式碳晶发热膜以及直流供电电源，其中每片所述湿式