Heating core and heating device

Abstract

The utility model relates to the field of electric heating device, more particularly to a kind of heating core body and heating device.Heating core body includes heating assembly, heat-conducting insulating medium and heat exchange device;Heating assembly includes heating element and two conducting electrodes;The two sides of heating element are respectively connected with the inner surface of two conducting electrodes with the way of electrically conductive contact;Heat exchange device is provided with installation channel, and the two sides of installation channel have flow channel;Heating assembly is inserted in installation channel;Each conducting electrode is equipped with heat-conducting insulating medium between adjacent flow channel;Heat-conducting insulating medium and adjacent conducting electrode or adjacent flow channel form integrated structure, so that conducting electrode and flow channel can be well heat-conducting insulation.Such can reduce the contact thermal resistance of heating core body, improve heat effect.

Claims

1. A heating cartridge, characterized by, include: Heating assembly (100), thermally conductive insulating medium (200), and heat exchange device (300); The heating assembly (100) includes a heating element (110) and two conductive electrodes (120); the two sides of the heating element (110) are electrically connected to the inner surfaces of the two conductive electrodes (120); the heat exchange device (300) is provided with an installation channel, and the two sides of the installation channel have flow channels (310); the heating assembly (100) is inserted into the installation channel; Each of the conductive electrodes (120) is provided with a thermally conductive insulating medium (200) between it and the adjacent flow channel (310). The thermally conductive insulating medium (200) forms an integrated structure with the adjacent conductive electrode (120) or the adjacent flow channel (310).

2. The heating core according to claim 1, characterized in that: The thermally conductive insulating medium (200) extends to the peripheral end of the heating element (110) to seal the periphery of the heating assembly (100); Alternatively, the heating core may also include an insulating sealing medium (500); the insulating sealing medium (500) is disposed at the peripheral end of the heating element (110) to seal the periphery of the heating assembly (100).

3. The heating core according to claim 1, characterized in that: The thermally conductive insulating medium (200) and the conductive electrode (120) form an integrated structure; the thermally conductive insulating medium (200) is a resin structure (210). The resin structure (210) is configured such that after connecting the heating element (110) and the two conductive electrodes (120) together to form the heating assembly (100), the molten resin is evenly coated on the outer surface of the conductive electrodes (120) of the heating assembly (100), and after cooling and solidification, the conductive electrodes (120) are wrapped inside the resin to form an integrated structure.

4. The heating core according to claim 1, characterized in that: The thermally conductive insulating medium (200) and the conductive electrode (120) form an integrated structure; the thermally conductive insulating medium (200) is a resin structure (210). The resin structure (210) is configured to coat each of the conductive electrodes (120) on the side away from the heating element (110) with molten resin; the two resin structures (210) on both sides of the heating assembly (100) are sealed together along the thickness direction (A) of the heating assembly.

5. The heating core according to claim 1, characterized in that: The thermally conductive insulating medium (200) and the conductive electrode (120) form an integrated structure; the thermally conductive insulating medium (200) is an insulating coating (220). The thermally conductive insulating medium (200) is configured to coat the conductive electrode (120) with an insulating coating (220) by powder spraying, high-pressure liquid spraying or electrophoresis, and after curing, the insulating coating (220) and the conductive electrode (120) form an integral whole.

6. The heating core according to claim 5, characterized in that: The insulating coating (220) is a resin coating filled with thermally conductive filler or a ceramic coating with added toughening filler; the conductive electrode (120) extends outward from the edge of the heating element (110) to form a flange structure (121). In the heating assembly (100), the peripheral end of the heating element (110), the flange structure (121), and the insulating coating (220) on the flange structure (121) are all enclosed in an insulating sealing medium (500).

7. The heating core according to claim 1, characterized in that: The thermally conductive insulating medium (200) and the conductive electrode (120) form an integrated structure; the thermally conductive insulating medium (200) is a thin film structure (230). The thin film structure (230) is configured to wrap an insulating sealing medium (500) around the heating assembly (100); a thermally conductive adhesive (600) is coated on the outer surface of the conductive electrode (120) and the outer surface of the insulating sealing medium (500), and the thin film is then adhered to the thermally conductive adhesive (600) so that the heating assembly (100) is integrated.

8. The heating core according to claim 1, characterized in that: The thermally conductive insulating medium (200) and the flow channel (310) form an integrated structure; The thermally conductive insulating medium (200) is covered on the side of the flow channel (310) facing the conductive electrode (120); the thermally conductive insulating medium (200) is configured as a resin covering the flow channel (310), or an insulating coating (220) coated on the flow channel (310), or an insulating film adhered to the flow channel (310).

9. The heating core according to claim 1, characterized in that: The thermally conductive insulating medium (200) and the adjacent conductive electrode (120) form an integrated structure, and the gap between the adjacent flow channel (310) and the thermally conductive insulating medium (200) is filled with a thermally conductive interface structure. Alternatively, the thermally conductive insulating medium (200) and the adjacent flow channel (310) may form an integrated structure, and the gap between the adjacent conductive electrode (120) and the thermally conductive insulating medium (200) may be filled with a thermally conductive interface structure.

10. A heating device, characterized in that: The heating device includes the heating core as described in any one of claims 1-9.

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