radiating bar of a PTC thermosensitive material heating device, a heating device and a special electric appliance
A technology for heating devices and heat-sensitive materials, applied in heating element materials, ohmic resistance heating parts, electric heating devices, etc., can solve the problems of high manufacturing cost, poor welding, easy de-soldering, etc., to improve comfort and environmental protection. , Improve the use environment, improve the effect of heat dissipation area
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Embodiment 1
[0027] Such as figure 1 The heat dissipation strip of the PTC heat-sensitive material heating device shown includes a heat dissipation corrugation 3 clamped by a heat conduction flat sheet 1 and a folded edge positioning heat conduction sheet 2, and the heat dissipation corrugation has no less than one in the width direction of the heat dissipation surface A concave arc surface 303, the concave arc surface 303 is parallel to the width direction of the heat dissipation corrugation; the heat dissipation corrugation is formed by meshing and rolling an aluminum strip through a pair of continuous gears of a gear hobbing machine, and each pair of gears of the gear hobbing machine Each tooth surface is provided with an inner concave / external convex surface parallel to the tooth width direction, and through the opposite meshing transmission of the gears, a concave arc parallel to the width direction of the heat dissipation corrugations is rolled out on the heat dissipation corrugations...
Embodiment 2
[0029] Such as figure 2 As shown, with reference to Embodiment 1, the height direction of the heat dissipation corrugation also has a concave surface 301, a folding fan surface 302 or a concave surface 301 and a folding fan surface 302, and the concave surface 301, an angled surface 302 or a concave surface 301 and a folding fan surface 302 is perpendicular to the width direction of the heat dissipation corrugation; the heat dissipation corrugation is made of an aluminum strip that is rolled by a pair of continuous gears of a hobbing machine, and each tooth surface of each pair of gears of the gear hobbing machine is provided with a The inner concave / outer convex surface in the tooth width direction, through the opposite meshing transmission of the gears, simultaneously rolls out a half-arc concave surface, corner surface or concave surface and The angled surface and the concave arc surface parallel to the width direction of the heat dissipation corrugation.
Embodiment 3
[0031] Such as image 3 The heating device of the PTC heat-sensitive material shown contains the heat dissipation strip described in the above-mentioned embodiment, including a PTC heating element, and the main component of the PTC heating element is Ba (1-x) PbxTiO3, the Ti is extracted from rutile TiO2 raw ore, and the molar ratio of Ti in the main component is greater than 1.00%; it also includes a PTC heating element, which is penetrated into a hollow heat-conducting aluminum tube by insulating After the heating core 1001 of the film-coated PTC thermal heating element is pasted in parallel between the two electrode sheets, the heat-conducting surface of the aluminum tube is pressed to eliminate the gap between the heating core in the heating body and the inner wall of the aluminum tube. A surface-insulated PTC heating element is formed, and the PTC heat-sensitive material heating element is formed after the heat-conducting surface of the aluminum tube of the heating elemen...
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