Graphene heating sheet with multi-layer composite heat conduction structure
By introducing a multi-layer composite thermally conductive structure into the graphene heating element, especially the close contact between the copper sheet and the graphene carbon strip and the use of thermally conductive silicone, the heat diffusion path is optimized, the problem of uneven heating is solved, the heating efficiency is improved, and the installation process is simplified.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI JINWEI ELECTRONIC TECHNOLOGY CO LTD
- Filing Date
- 2025-07-18
- Publication Date
- 2026-07-17
AI Technical Summary
Existing graphene heating elements lack additional heat-conducting structures during use, resulting in an inability to optimize the heat conduction path, affecting the uniformity of heating and reducing the overall heating efficiency.
It adopts a multi-layer composite thermal conductive structure, including copper sheets in close contact with graphene carbon strips, combined with thermally conductive silicone and insulation layer, to optimize the heat diffusion path, and facilitates installation and disassembly through guide rods and elastic components.
It achieves uniform heat transfer in all parts of the graphene carbon strip, improves the overall heating efficiency, and facilitates quick installation and disassembly.
Smart Images
Figure CN224521201U_ABST
Abstract
Claims
1. A graphene heating sheet with a multi-layer composite heat conducting structure, characterized in that, The system includes a first insulating frame (1), a second insulating frame (2), electrode sheets (3), connecting wires (4), a socket (5), graphene carbon strips (6), copper sheets (8), a graphene heating film body (9), thermally conductive silicone (10), an upper waterproof insulating layer (11), a heat insulation layer (12), a lower waterproof insulating layer (13), and a connecting structure. The second insulating frame (2) is slidably mounted on the right side of the first insulating frame (1). Electrode sheets (3) are mounted inside both the first insulating frame (1) and the second insulating frame (2). Connecting wires (4) are connected to one side of the electrode sheets (3), and a socket (5) is connected to one end of the connecting wires (4). Multiple graphene carbon strips (6) are fixedly connected to the two electrode sheets (3). The first insulating frame (1) and the second insulating frame (2) are both mounted inside the second insulating frame (2). An installation slot (7) is provided, and two installation slots (7) are used to fix and connect multiple copper sheets (8). The copper sheets (8) are in close contact with the graphene carbon strips (6). A graphene heating film body (9) is provided on the top of the multiple graphene carbon strips (6). A thermally conductive silicone (10) is provided on the top of the graphene heating film body (9). An upper waterproof insulating layer (11) is provided on the top of the thermally conductive silicone (10). A heat insulation layer (12) is provided between the first insulating frame (1) and the second insulating frame (2). The heat insulation layer (12) is located at the bottom of the copper sheet (8). A lower waterproof insulating layer (13) is bonded to the bottom of the heat insulation layer (12). A connection structure is provided between the first insulating frame (1) and the second insulating frame (2). The connection structure is used to fix the first insulating frame (1) and the second insulating frame (2).
2. The graphene heating sheet with multi-layer composite heat conduction structure according to claim 1, characterized in that, The connecting structure includes a guide rod (15) and an elastic element (16). Multiple grooves (14) are provided inside the second insulating frame (2). Multiple guide rods (15) are fixedly connected to the right side of the first insulating frame (1). The guide rods (15) slide inside the grooves (14). An elastic element (16) is sleeved on the guide rods (15). The two ends of the elastic element (16) are respectively connected to the second insulating frame (2) and the guide rods (15).
3. A graphene heating element with a multilayer composite thermally conductive structure according to claim 2, characterized in that, It also includes a protective frame (18) and a plug-in rod (19). The first insulating frame (1) and the second insulating frame (2) each have two slots (17) inside. A plug-in rod (19) is inserted into the slot (17), and the two plug-in rods (19) are fixedly connected to the protective frame (18).
4. The graphene heating sheet with multi-layer composite heat conduction structure according to claim 3, characterized in that, It also includes a stepped surface (20). The first insulating frame (1) and the second insulating frame (2) are both provided with stepped surfaces (20), and the stepped surfaces (20) can contact the graphene carbon strips (6).
5. The graphene heating sheet with multi-layer composite heat conducting structure according to claim 4, characterized in that, The plug rod (19) is made of rubber.
6. The graphene heating sheet with multi-layer composite heat conducting structure according to claim 5, characterized in that, An aluminum nano-reflective film is added to the bottom of the insulation layer (12).