PTC heating device and combination piece thereof
A heating device and assembly technology, which is applied to the shape of heating elements, ohmic resistance heating parts, electric heating devices, etc., can solve problems such as explosion and flashover, and achieve the effects of improving thermal efficiency, bending, and bending resistance
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Embodiment 1
[0139] A PTC heating device includes a PTC heating core, a thin-walled elongated hollow heat-conducting aluminum tube 1 and a radiator, the heating core has a first electrode strip and a second electrode strip including a conductive surface and a heat-conducting surface, and several sheets are described The PTC heating sheet 3 clamped side by side by the heat conduction surface of the electrode strip 2, the temperature-resistant insulating silica gel 4 located between the PTC heating sheet 3 and the heat conduction surface of the electrode strip 2, and the electrode strip covered with the PTC heating element clamped 2, the temperature-resistant insulating film 5 is composed of the temperature-resistant insulating silica gel 4, which has at least two components, at least one of which is liquid at room temperature, and the two silica gels are configured in a ratio of approximately 1:1. And fully mixed to become a synthetic silica gel with better fluidity, the preparation process ...
Embodiment 2
[0146] A PTC heating device, including a PTC heating core, a heat-conducting aluminum tube and a radiator, the heat-conducting aluminum tube 1 has a heat-conducting plane 8 and a pressing surface 9, and the wall thickness of the heat-conducting plane 8 exceeds the wall thickness of the pressing surface 9 3 times, the radiator includes cooling fins, and the preparation process of the heat-conducting aluminum tube is:
[0147] 1) Melt and soften the aluminum ingot in a special melting furnace;
[0148] 2) Stretching the softened aluminum liquid with a certain strength at the mouth of the furnace to the outside of the furnace through a special mold cavity, the mold cavity is located at the mouth of the melting furnace;
[0149] 3) The softened aluminum liquid is rapidly cooled in the uniform stretching process at room temperature to form an oblong hollow heat-conducting aluminum tube.
[0150]The heat sink 6 is a heat dissipation tooth piece 10 cut by shoveling at the wall thick...
Embodiment 3
[0155] A PTC heating device, including a PTC heating core, a heat-conducting aluminum tube 1 and a radiator, the heat-conducting aluminum tube 1 has a heat-conducting plane 8 and a pressing surface 9, and the wall thickness of the heat-conducting plane 8 exceeds the wall thickness of the pressing surface 9 3 times, the radiator includes cooling fins 10, and the preparation process of the heat-conducting aluminum tube 1 is:
[0156] 1) Melt and soften the aluminum ingot in a special melting furnace;
[0157] 2) Stretching the softened aluminum liquid with a certain strength at the mouth of the furnace to the outside of the furnace through a special mold cavity, the mold cavity is located at the mouth of the melting furnace;
[0158] 3) The softened aluminum liquid is rapidly cooled in the uniform stretching process at room temperature to form an oblong hollow heat-conducting aluminum tube.
[0159] The heat sink 6 is a heat dissipation tooth piece 10 cut by shoveling at the wa...
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Abstract
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Application Information
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