Heating insole

Abstract

A heating insole, which is a pad structure that can be installed inside shoes, includes primarily an electro-thermal pad, a control circuit, and a battery. The electro-thermal pad consists of at least two layers of heat-proof fabrics and an electro-thermal structure is located between these two layers of heat-proof fabrics. The electro-thermal structure is extended to the control circuit and battery through a connecting wire, thereby forming an electric loop. Accordingly, upon installing the insole inside shoes, both the control circuit and battery can be fixed at a proper position of shoes or onto calves (ankles) of a user, at the same time, followed by turning on a switch on the control circuit, so as to enable the electro-thermal pad to be equipped with a heating effect, thereby achieving the purposes of defending against cold and increasing a life quality of a user.

1 . A heating insole comprising primarily an electro-thermal pad, a control circuit, and a battery, wherein the electro-thermal pad consists of at least two layers of heat-proof fabrics, with an electro-thermal structure installed between these two layers of heat-proof fabrics; the electro-thermal structure extended to the control circuit and battery through a connecting wire, thereby forming an electric loop.  
   
   
       2 . The heating insole according to  claim 1 , wherein the electro-thermal structure is uniformly distributed onto an area of the insole.  
   
   
       3 . The heating insole according to  claim 1 , wherein, upon implementation, both the control circuit and battery are installed inside a casing with a fixing structure at back of the casing, so as to fix the casing onto shoes or calves or clothes of a user.  
   
   
       4 . The heating insole according to  claim 1 , wherein the casing containing the control circuit and battery matches a shape of concave part of soles, and is fixed in a position of the electro-thermal pad corresponding to the concave part of soles, thereby forming an integral body.