INSOLE WITH HEAT GENERATING SYSTEM
First Claim
1. An insole with heat generating system comprising:
- an insole (1), a piezoelectric module (2) disposed inside the insole (1) and electrically connected with each other to form an electrical circuit, two flexible conductive strips (3) having a first conductive copper piece (31) and a second conductive copper piece (32) disposed thereon, and at least one resistive heating chip (4);
the piezoelectric module (2) which is subjected to pressure and generate electrical energy, disposed in a heel cup of the insole (1), sequentially comprising a first conductive layer (21), a first compound crystal layer (22), a second conductive layer (23), and a second compound crystal layer (24), wherein the first conductive layer (21) and the second conductive layer (23) include an insulating layer (25) disposed therebetween and surrounding the first compound crystal layer (22);
the first conductive layer (21) is electrically connected with second conductive copper piece (32), and the second compound crystal layer (24) is electrically connected with the first conductive copper piece (31);
wherein the resistive heating chip (4) is a surface mount device (SMD), electrically connected between free ends of the two flexible conductive strips (3) and bridged together by means of a surface mount technology (SMT), and disposed at a forefoot of the insole (1);
wherein the insole (1) includes an upper layer (11), a lower layer (12) corresponding to the upper layer (11) and disposed at a bottom side thereof, and an adhesive layer (13) disposed between the upper layer (11) and the lower layer (12), the adhesive layer (13) configured to connect with the upper layer (11) and the lower layer (12) to fix the piezoelectric module (2), the flexible conductive strips (3) and the resistive heating chip (4), wherein the upper layer (11) is a high density ethylene vinyl acetate (EVA) plastic layer having a beat-conducting function, and the lower layer (12) is a low density EVA plastic layer to which a blowing agent is added to form heat insulation, whereby the heat generated by the resistive heating chip (4) will be conducted and stored in the upper layer (11);
wherein the first and second conductive copper piece (31, 32) are parallel to each other and lower surfaces of which are adhered to a thin film (33) to be positioned on the lower layer (12) and not easily broken;
the thin film is configured to hold the flexible conductive strips (3) and has a thermal insulation effect.cm 2. The insole with heat generating system according to claim 1, wherein both the first conductive layer (21) and the second conductive layer (23) are made of copper conductive bodies, and both the first compound crystal layer (22) and the second compound crystal layer (24) are sintered by mixing sodium tartrate, quartz, and ceramic.
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Abstract
An insole with heat generating system is disclosed, which comprises an insole, a piezoelectric module disposed inside the insole and electrically connected with each other to form an electrical circuit, two flexible conductive strips having a first conductive copper piece and a second conductive copper piece disposed thereon, and at least one resistive heating chip. Wherein the piezoelectric module generates the electrical energy through stepping on the insole, and then turns into the heat energy through the resistive heating chip, thereby generating a temperature for the insole, so the insole with heat generating system can adjust the temperature appropriately, its safety is high, most importantly, the invention does not need to add the battery to generate heat.
33 Citations
4 Claims
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1. An insole with heat generating system comprising:
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an insole (1), a piezoelectric module (2) disposed inside the insole (1) and electrically connected with each other to form an electrical circuit, two flexible conductive strips (3) having a first conductive copper piece (31) and a second conductive copper piece (32) disposed thereon, and at least one resistive heating chip (4); the piezoelectric module (2) which is subjected to pressure and generate electrical energy, disposed in a heel cup of the insole (1), sequentially comprising a first conductive layer (21), a first compound crystal layer (22), a second conductive layer (23), and a second compound crystal layer (24), wherein the first conductive layer (21) and the second conductive layer (23) include an insulating layer (25) disposed therebetween and surrounding the first compound crystal layer (22);
the first conductive layer (21) is electrically connected with second conductive copper piece (32), and the second compound crystal layer (24) is electrically connected with the first conductive copper piece (31);wherein the resistive heating chip (4) is a surface mount device (SMD), electrically connected between free ends of the two flexible conductive strips (3) and bridged together by means of a surface mount technology (SMT), and disposed at a forefoot of the insole (1); wherein the insole (1) includes an upper layer (11), a lower layer (12) corresponding to the upper layer (11) and disposed at a bottom side thereof, and an adhesive layer (13) disposed between the upper layer (11) and the lower layer (12), the adhesive layer (13) configured to connect with the upper layer (11) and the lower layer (12) to fix the piezoelectric module (2), the flexible conductive strips (3) and the resistive heating chip (4), wherein the upper layer (11) is a high density ethylene vinyl acetate (EVA) plastic layer having a beat-conducting function, and the lower layer (12) is a low density EVA plastic layer to which a blowing agent is added to form heat insulation, whereby the heat generated by the resistive heating chip (4) will be conducted and stored in the upper layer (11); wherein the first and second conductive copper piece (31, 32) are parallel to each other and lower surfaces of which are adhered to a thin film (33) to be positioned on the lower layer (12) and not easily broken;
the thin film is configured to hold the flexible conductive strips (3) and has a thermal insulation effect.cm 2. The insole with heat generating system according to claim 1, wherein both the first conductive layer (21) and the second conductive layer (23) are made of copper conductive bodies, and both the first compound crystal layer (22) and the second compound crystal layer (24) are sintered by mixing sodium tartrate, quartz, and ceramic. - View Dependent Claims (3, 4)
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Specification