Low voltage electrothermal film
An electric heating film and low voltage technology, applied in the direction of electric heating devices, ohmic resistance electrodes, ohmic resistance heating, etc., can solve problems such as potential safety hazards, and achieve the effect of low square resistance
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Embodiment 1
[0026] A low-voltage electrothermal film, comprising an insulating film substrate 1, a conductive coating 2, an electrode 3 and an insulating protective layer 4; the conductive coating is made by coating a high-conductivity slurry on the insulating film substrate; The electrodes are two copper foils pressed on both sides of the conductive coating; the insulating protective layer is laminated on the insulating film substrate coated with the conductive coating and pressed on the electrodes; including the insulating film substrate, the conductive coating, electrode and insulating protective layer; the conductive coating is made by coating high conductivity slurry on the insulating film substrate; the electrodes are two copper foils pressed on both sides of the conductive coating; The insulating protective layer adopts a PET film coated with hot melt adhesive, and is laminated on the insulating film substrate coated with a conductive coating and pressed with electrodes; the thickne...
Embodiment 2
[0029] The thickness of the conductive coating is 50 μm. The square resistance of the conductive coating is 120Ω; the distance between two copper foils is 13cm. The thickness of the insulating film substrate is 150 μm. The thickness of the two copper foils is 25 μm. All the other are the same as embodiment one. During the test, a working voltage of 12V is applied, and its working current is 0.68A. The heating power per unit area of the low-voltage electric heating film is 71 watts, and its surface maintains a temperature of 36 degrees.
Embodiment 3
[0031] The thickness of the conductive coating is 40 μm. The square resistance of the conductive coating is 150Ω; the distance between two copper foils is 12cm. The thickness of the insulating film substrate is 150 μm. The thickness of the two copper foils is 25 μm. All the other are the same as embodiment one. During the test, a working voltage of 12V is applied, and its working current is 0.59A. The heating power per unit area of the low-voltage electric heating film is 67 watts, and its surface maintains a temperature of 35 degrees.
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