Graphene electric heating silica gel sheet
By embedding a glass fiber layer and a serpentine heat-conducting wire into the graphene electric heating silicone sheet, the problem of damage to the electric heating component caused by silicone sheet deformation is solved, achieving efficient heat transfer and extending service life.
Patent Information
- Application Number
- CN202522256238.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-24
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-10-24
AI Technical Summary
Existing graphene-based electric heating silicone pads are prone to deformation of the silicone layer after long-term use, which can damage the electric heating components and conductive wires, affecting heating performance.
The material uses an extended fabric composed of glass fiber layers embedded in a silicone sheet, and the heat-conducting wires are designed in a serpentine arrangement. Combined with plain weave and interlacing fixation, it enhances the material's tensile and tear resistance. The heat-conducting components adapt to deformation, protecting the electric heating components and conductive wires from damage.
This improves the deformation recovery ability and service life of the silicone sheet, ensures uniform heat transfer, and enhances the reliability and durability of the silicone sheet.
Smart Images

Figure CN224935800U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a graphene-based electrothermal silicone sheet, belonging to the field of silicone sheet technology. Background Technology
[0002] Silicone sheets do not have a heating function, but they can achieve a heating effect by combining them with other electric heating elements. Existing electric heating silicone sheets usually have heating wires combined inside the silicone, which has low heating efficiency and poor heat transfer effect.
[0003] In the prior art, patent CN222621213U discloses a graphene electrothermal silicone sheet, which includes a first silicone layer and a second silicone layer, with an electrothermal component sandwiched between the first and second silicone layers. The electrothermal component is connected to a conductive wire, and a heat-conducting structure is provided between the electrothermal component and the first and second silicone layers. By setting the electrothermal component, the heating efficiency can be effectively improved, and the heat generated by the electrothermal component can be transferred to the silicone layer through the heat-conducting structure, thereby achieving a good heating effect. However, after long-term use, the first and second silicone layers of the graphene electrothermal silicone sheet disclosed in CN222621213U are prone to deformation. If the first and second silicone layers deform, the electrothermal component sandwiched between the first and second silicone layers will also deform, which may further damage the conductive wire and the electrothermal component, affecting the heating performance of the silicone sheet. Utility Model Content
[0004] To address the shortcomings of existing technologies, this invention provides a graphene-based electrothermal silicone pad to solve the aforementioned technical problems.
[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: A graphene-based electrothermal silicone pad includes a first silicone pad and two second silicone pads. The two second silicone pads are respectively fixedly disposed on the upper and lower sides of the first silicone pad. An extended cloth is fixedly connected inside each of the two second silicone pads. An electrothermal component is inserted inside the first silicone pad. A conductive wire is inserted inside the electrothermal component. A heat-conducting component is fixedly connected between the first silicone pad and the second silicone pads.
[0006] Furthermore, the electric heating component includes a graphene heating layer, which is fixedly disposed on the upper and lower sides of the first silicone sheet, and an installation cavity is provided between the graphene heating layers, with the conductive wire inserted into the installation cavity.
[0007] Furthermore, an installation groove is formed between the graphene heating layer and the first silicone sheet, and the heat-conducting component is disposed in the installation groove. The heat-conducting component includes a heat-conducting wire, which is arranged in a serpentine shape in the installation groove.
[0008] Furthermore, a positioning groove is formed between the first silicone sheet and the second silicone sheet, the positioning groove is arranged in a mesh pattern, and the extended fabric is disposed in the positioning groove.
[0009] Furthermore, the extended fabric includes a first glass fiber layer and a second glass fiber layer, wherein the first glass fiber layer and the second glass fiber layer are arranged in a staggered manner perpendicular to each other.
[0010] Furthermore, the conductive wire is made of silver-plated copper wire.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This application provides high-strength internal support for the silicone sheet by embedding an extended fabric composed of glass fiber layers within the second silicone sheet and using a plain weave to interlock and fix the fiber layers. This design not only effectively enhances the material's resistance to tension and tearing but also helps the silicone sheet return to its original shape after deformation, thereby protecting the internal electric heating components and conductive wires from damage and contributing to extending the overall service life. 2. The heat-conducting wires are designed in a serpentine pattern within the mounting groove, allowing the heat-conducting component to adaptively adjust its shape when the silicone sheet bends or deforms, preventing breakage or damage caused by stress concentration. This flexible heat-conducting design ensures efficient and uniform heat transfer and further enhances the reliability and durability of the graphene electrothermal silicone sheet during long-term use. Attached Figure Description
[0012] Figure 1 A schematic diagram of the overall structure of this utility model; Figure 2 An exploded view of the overall structure provided for this utility model; Figure 3 A schematic diagram of the extended fabric structure provided by this utility model.
[0013] In the figure, 1. First silicone sheet; 2. Second silicone sheet; 3. Extended fabric; 31. First glass fiber layer; 32. Second glass fiber layer; 4. Electric heating component; 41. Graphene heating layer; 42. Mounting cavity; 5. Conductive wire; 6. Heat-conducting component; 7. Mounting groove; 8. Heat-conducting wire; 9. Positioning groove. Detailed Implementation
[0014] The technical solution of this utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.
[0015] like Figures 1-3As shown, the graphene electrothermal silicone sheet provided in this embodiment includes a first silicone sheet 1 and two second silicone sheets 2. The two second silicone sheets 2 are respectively fixedly disposed on the upper and lower sides of the first silicone sheet 1. An extension cloth 3 is disposed in each of the two second silicone sheets 2. An electrothermal component 4 is inserted into the first silicone sheet 1. A conductive wire 5 is inserted into the electrothermal component 4. The conductive wire 5 is preferably silver-plated copper wire. A heat-conducting component 6 is fixedly disposed between the first silicone sheet 1 and the second silicone sheet 2. It should be noted that the current is conducted through the conductive wire 5, and the electric heating component 4 converts electrical energy into heat energy. The heat energy is conducted through the first silicone sheet 1. The thermally conductive silicone has good thermal conductivity, so that the heat is evenly distributed at the upper and lower ends of the first silicone sheet 1. The heat is then transferred to the two second silicone sheets 2 through the thermally conductive component 6, and the second silicone sheets 2 generate heat to the outside world. During use, if the graphene electric heating silicone sheet undergoes bending or other deformation, the second silicone sheet 2 is provided with an extension cloth 3, which includes a first glass fiber layer 31 and a second glass fiber layer 32. The first glass fiber layer 31 and the second glass fiber layer 32 are arranged perpendicularly to each other. Since glass fibers have high strength and modulus, they can provide high tensile and tear stress for the second silicone sheet 2, acting as a "skeleton". This gives the graphene electric heating silicone sheet a certain degree of resistance to deformation and prevents damage to the heating components, conductive wires 5, etc., caused by long-term deformation. Furthermore, the first glass fiber layer 31 and the second glass fiber layer 32 are woven using a plain weave process. The first glass fiber layer 31 and the second glass fiber layer 32 are interwoven vertically, resulting in a relatively compact structure with good stability. It is not easy for yarn slippage to occur, which helps to enhance the service life of the graphene electric heating silicone sheet.
[0016] The electric heating component 4 includes two graphene heating layers 41, which are fixedly disposed on the upper and lower sides of the first silicone sheet 1, respectively. An installation cavity 42 is provided between the two graphene heating layers 41, and the conductive wire 5 is inserted into the installation cavity 42.
[0017] An installation groove 7 is provided between the graphene heating layer 41 and the first silicone sheet 1. A heat-conducting component 6 is disposed in the installation groove 7. The heat-conducting component 6 includes a heat-conducting wire 8, which is arranged in a serpentine shape in the installation groove 7. It should be noted that, since the heat-conducting wire 8 is arranged in a serpentine shape within the mounting groove 7, when the graphene electric heating silicone sheet deforms, the heat-conducting wire 8 can adaptively adjust according to the deformation, thereby avoiding damage to the heat-conducting wire 8 due to the deformation of the graphene electric heating silicone sheet, and further extending the service life of the graphene electric heating silicone sheet.
[0018] A positioning groove 9 is provided between the first silicone sheet 1 and the second silicone sheet 2. The positioning groove 9 is arranged in a mesh shape, and the extension cloth 3 is disposed in the positioning groove 9. It should be noted that the mesh-like positioning groove 9 can more firmly fix the extended cloth 3 in the mounting groove 7, thereby preventing the extended cloth 3 from shifting and making the graphene electric heating silicone sheet structure more stable.
[0019] The foregoing description illustrates and describes preferred embodiments of the present invention. It should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. Modifications and variations made by those skilled in the art without departing from the spirit and scope of the present invention should be within the protection scope of the appended claims.
Claims
1. A graphene-based electrothermal silicone sheet, characterized in that: It includes a first silicone sheet (1) and two second silicone sheets (2). The two second silicone sheets (2) are respectively fixedly disposed on the upper and lower sides of the first silicone sheet (1). An extension cloth (3) is disposed in each of the two second silicone sheets (2). An electric heating component (4) is inserted in the first silicone sheet (1). A conductive wire (5) is inserted in the electric heating component (4). A heat-conducting component (6) is fixedly disposed between the first silicone sheet (1) and the second silicone sheet (2).
2. The graphene-based electrothermal silicone sheet according to claim 1, characterized in that: The electric heating component (4) includes a graphene heating layer (41), which is fixedly disposed on the upper and lower sides of the first silicone sheet (1), and an installation cavity (42) is provided between the graphene heating layers (41), and the conductive wire (5) is inserted into the installation cavity (42).
3. The graphene-based electrothermal silicone sheet according to claim 2, characterized in that: An installation groove (7) is provided between the graphene heating layer (41) and the first silicone sheet (1). The heat-conducting component (6) is disposed in the installation groove (7). The heat-conducting component (6) includes a heat-conducting wire (8), which is arranged in a serpentine shape in the installation groove (7).
4. The graphene-based electrothermal silicone sheet according to claim 3, characterized in that: A positioning groove (9) is provided between the first silicone sheet (1) and the second silicone sheet (2). The positioning groove (9) is arranged in a mesh shape, and the extended fabric (3) is disposed in the positioning groove (9).
5. The graphene-based electrothermal silicone sheet according to claim 4, characterized in that: The extended fabric (3) includes a first glass fiber layer (31) and a second glass fiber layer (32), wherein the first glass fiber layer (31) and the second glass fiber layer (32) are arranged in a staggered manner perpendicular to each other.
6. The graphene-based electrothermal silicone sheet according to claim 2, characterized in that: The conductive wire (5) is made of silver-plated copper wire.
Citation Information
Patent Citations
Graphene electric heating silica gel sheet
CN222621213U
