加热装置
By using a thermally conductive insulator made of silicone or silicone rubber to tightly bond with the electrode sheet in the PTC heater, the problems of complex structure and cumbersome assembly of existing PTC heaters are solved, achieving the effect of reducing parts and lowering costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING CHAOLI ELECTRIC APPLIANCE CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-07-17
AI Technical Summary
Existing PTC heaters have complex structures, complicated assembly processes, numerous parts, and high costs.
Thermally conductive insulators made of silicone or silicone rubber are directly and tightly bonded to the electrode plates, eliminating the need for insulating paper and aluminum tubes. Heat conduction and insulation are achieved through the thermally conductive insulators, and the heating unit is connected using clamps or fixing parts.
The structure was simplified, the number of parts was reduced, assembly efficiency was improved, and manufacturing costs were lowered.
Smart Images
Figure CN224521193U_ABST
Abstract
Claims
1. A heating device, characterized in that, include: A heating unit (100) and a heat exchange unit (200); the heating unit (100) includes a heating element (110), a first electrode plate (120), a second electrode plate (130), and a thermally conductive insulator (140) made of silicone or silicone rubber; the first electrode plate (120) and the second electrode plate (130) are disposed on opposite sides of the heating element (110); the thermally conductive insulator (140) is disposed on the side of the first electrode plate (120) and the second electrode plate (130) away from the heating element (110). The heat exchange unit is provided with an installation channel, the heating unit (100) is inserted into the installation channel, and the thermally conductive insulator (140) is attached to the heat exchange unit (200).
2. The heating device according to claim 1, characterized in that: Two thermally conductive insulators (140) are provided, and the two thermally conductive insulators (140) are respectively attached to the side of the first electrode sheet (120) and the second electrode sheet (130) away from the heating element (110).
3. The heating device according to claim 2, characterized in that: The surrounding area between the two thermally conductive insulators (140) is filled with insulating potting compound (160).
4. The heating device according to claim 2, characterized in that: The four edges of the two thermally conductive insulators are connected to enclose the first electrode sheet (120), the second electrode sheet (130), and the heating element (110).
5. The heating device according to claim 1, characterized in that: The thermally conductive insulator (140) is configured as a thermally conductive insulating sleeve (150). The thermally conductive insulating sleeve (150) is provided with an open side, a first outlet and a second outlet. The heating element (110), the first electrode plate (120) and the second electrode plate (130) are inserted into the thermally conductive insulating sleeve (150) from the open side. The first pin (121) of the first electrode plate (120) and the second pin (131) of the second electrode plate (130) protrude from the first outlet and the second outlet, respectively.
6. The heating device according to claim 5, characterized in that: The opening side is filled with insulating potting compound (160).
7. The heating device according to any one of claims 1-6, characterized in that: The thermally conductive insulator (140) is bonded to the first electrode sheet (120) and the second electrode sheet (130) by a vulcanization process.
8. The heating device according to any one of claims 1-6, characterized in that: The thermally conductive insulator (140) is bonded and fixed to the heat exchange unit (200).
9. The heating device according to any one of claims 1-5, characterized in that: The heating device further includes a clamping member, through which adjacent heat exchange units (200) are connected to clamp the heating unit (100) via the adjacent heat exchange units (200).
10. The heating device according to any one of claims 1-5, characterized in that: The heat exchange unit (200) is integrated with a fixing part, and adjacent heat exchange units (200) are connected through corresponding fixing parts to clamp the heating unit (100).