Graphene heating plate with heat conduction structure

By adopting a thermal structure and insulation layer in the graphene heating plate, combining the interlaced thermal components and graphene core plate, the problems of high cost and uneven heat transfer of graphene heating plate are solved, and a faster and even heating effect is achieved , reducing the total cost.

CN222235084UActive Publication Date: 2024-12-24ESTAR MATERIAL TECH (QIDONG) CO LTD
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Patent Information

Application Number
CN202420645820.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-01
Publication Date
2024-12-24
Estimated Expiration
2034-04-01

AI Technical Summary

Technical Problem

Due to the high cost of the entire graphene plate, the existing graphene heating plate has a high cost and uneven heat transfer, which affects the heating efficiency.

Method used

Designed with a graphene heating plate with a thermally conductive structure, including a base plate, a heat-generating layer, a thermally conductive structure and a graphene heating core plate, through two interlaced thermally conductive components (first thermally conductive graphene wire and second thermally conductive graphene wire) and the insulation layer to achieve rapid transfer and uniform diffusion of heat, reducing the use of graphene materials.

Benefits of technology

Through the small graphene core plate and thermal structure design, the cost is reduced, and the heating speed and temperature retention capacity are improved through the interlaced thermal components and insulation layers, achieving a more uniform and rapid heating effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

A graphene heating plate with a heat conduction structure comprises a base plate, a heat preservation layer is arranged on one side of the base plate, a heating layer is arranged on the other side of the base plate, the heat conduction structure is arranged on the inner side of the heating layer, and a graphene heating core plate is embedded in the center of the base plate. The inner side end of the heat conduction structure is connected with the graphene heating core plate, the heat conduction structure is composed of a first heat conduction assembly and a second heat conduction assembly, and the first heat conduction assembly and the second heat conduction assembly are not located on the same horizontal plane; the first heat conduction assembly is composed of two first heat conduction graphene wires with symmetrical structures, the second heat conduction assembly is composed of two second heat conduction graphene wires with symmetrical structures, and the ends of the two sides of the first heat conduction graphene wires and the ends of the two sides of the second heat conduction graphene wires are fixedly connected with the graphene heating core plate. The utility model has the advantage of lower cost.
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Description

Technical Field

[0001] The utility model relates to, in particular to, a graphene heating plate with a heat-conducting structure. Background Art

[0002] Graphene heating plate is a heating element made of graphene material. Graphene, as a two-dimensional material composed of a single layer of closely arranged carbon atoms, has extremely high thermal conductivity and electrical conductivity, which makes graphene heating plate have a wide range of application prospects in the field of heating. The working principle of graphene heating plate is mainly based on the fact that under the action of electric field, the carbon molecular groups in the heating body produce "Brownian motion", and there are violent friction and collision between carbon molecules, and the generated heat energy is transmitted to the outside in the form of far-infrared radiation and convection. The conversion rate of this electrical energy to thermal energy is as high as more than 99%, which makes the graphene heating plate have efficient and uniform heating effect. The advantages of graphene heating plate are obvious. First, it has efficient heating performance, can heat up quickly and reach thermal equilibrium. Secondly, the heating power and temperature of the graphene heating plate can be precisely controlled by adjusting its size and shape to achieve personalized heating needs. In addition, due to the excellent thermal conductivity of graphene, the graphene heating plate can quickly transfer heat to the entire heating plate during the heating process to achieve uniform heating.

[0003] However, existing graphene heating plates generally use a whole piece of graphene plate. Due to the price of graphene itself, the cost of the heating plate is relatively high. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a graphene heating plate with a heat-conducting structure, thereby solving the above-mentioned defects.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A graphene heating plate with a heat-conducting structure, comprising:

[0007] A base plate, wherein a thermal insulation layer is arranged on one side of the base plate, a heating layer is arranged on the other side of the base plate, a heat-conducting structure is arranged on the inner side of the heating layer, a graphene heating core board is embedded and installed at the center position of the base plate, the inner end of the heat-conducting structure is connected to the graphene heating core board, and the heat-conducting structure is composed of a first heat-conducting component and a second heat-conducting component, and the two are not on the same horizontal plane.

[0008] In one or more embodiments of the present invention, the first heat-conducting component is composed of two first heat-conducting graphene filaments with symmetrical structures, and the second heat-conducting component is composed of two second heat-conducting graphene filaments with symmetrical structures, and the two side ends of the first heat-conducting graphene filament and the second heat-conducting graphene filament are fixedly connected to the graphene heating core plate.

[0009] In one or more embodiments of the present invention, the first thermally conductive graphene filament is coated on the outside of the second thermally conductive graphene filament, the middle section of the first thermally conductive graphene filament has a plurality of first bending portions, the middle section of the second thermally conductive graphene filament has a plurality of second bending portions, and the depth of the first bending portion is less than the depth of the second bending portion.

[0010] In one or more embodiments of the present invention, the graphene heating core plate is in a circular plate structure.

[0011] In one or more embodiments of the utility model, a circular hole is opened in the center of the base plate, a mounting seat is clamped in the circular hole, a circular groove is formed in the mounting seat, and the circular groove is adapted to the graphene heating core plate.

[0012] In one or more embodiments of the utility model, the outer edge of the mounting seat has a flange edge, a circular groove is provided on the outer side of the circular hole, the flange edge is adapted to the circular groove, the lower side of the flange edge has at least one fixing column, a positioning hole is provided in the circular groove, and the fixing column is adapted to the positioning hole.

[0013] In one or more embodiments of the present invention, at least one long protrusion is provided on the inner wall of the circular groove, and a positioning groove is provided on the outer wall of the graphene heating core board, and the long protrusion is matched with the positioning groove.

[0014] In one or more embodiments of the present invention, an electrode sheet is further provided on one side of the base plate, and the electrode sheet is electrically connected to the graphene heating core board.

[0015] In one or more embodiments of the present invention, a heat insulating layer and a waterproof and corrosion-resistant layer are further provided on the outer side of the thermal insulation layer.

[0016] Beneficial effects of the utility model:

[0017] The utility model proposes a graphene heating plate with a heat-conducting structure, which generates heat through a small graphene core plate, so as to save the cost of graphene materials and thus reduce the cost of the entire heating plate. The heat is transferred to the entire heating layer through the heat-conducting structure, so as to diffuse the heating area. The heating layer is made of metal material and is filled with heat-insulating material inside so that the temperature can be maintained for a long time. The heating layer can heat up faster through the two layers of staggered first heat-conducting components and second heat-conducting components. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a cross-sectional view of the utility model;

[0019] Figure 2 Schematic diagram of the structure of the first heat conducting component. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0021] Embodiment 1: In this embodiment, Figure 1 to Figure 2 As shown, a graphene heating plate with a heat-conducting structure includes a base plate 1, a thermal insulation layer 2 is provided on one side of the base plate 1, a heating layer 3 is provided on the other side of the base plate 1, a heat-conducting structure is provided on the inner side of the heating layer 3, a graphene heating core plate 4 is embedded and installed at the center position of the base plate 1, the inner end of the heat-conducting structure is connected to the graphene heating core plate 4, and the heat-conducting structure is composed of a first heat-conducting component and a second heat-conducting component, and the two are not on the same horizontal plane.

[0022] In this embodiment, heat is generated by a small graphene core plate 4, which saves the cost of graphene materials and reduces the cost of the entire heating plate. The heat is transferred to the entire heating layer 3 through a heat-conducting structure to diffuse the heating area. The heating layer is made of metal material and filled with heat-insulating material to keep the temperature lasting. The heating layer heats up faster through the two layers of staggered first heat-conducting components and second heat-conducting components.

[0023] In one or more embodiments of the present invention, the first heat-conducting component is composed of two first heat-conducting graphene filaments 5 with symmetrical structures, and the second heat-conducting component is composed of two second heat-conducting graphene filaments 6 with symmetrical structures. The two side ends of the first heat-conducting graphene filaments 5 and the second heat-conducting graphene filaments 6 are fixedly connected to the graphene heating core plate 4.

[0024] In one or more embodiments of the present invention, the first thermal conductive graphene filament 5 is coated on the outside of the second thermal conductive graphene filament 6, the middle section of the first thermal conductive graphene filament 5 has a plurality of first bending portions 51, the middle section of the second thermal conductive graphene filament 6 has a plurality of second bending portions 61, and the depth of the first bending portion 51 is less than the depth of the second bending portion 61.

[0025] In this embodiment, the first heat-conducting graphene filaments 5 and the second heat-conducting graphene filaments 6 are evenly distributed on the heating layer, so that the heating effect is better and faster.

[0026] In one or more embodiments of the present invention, the graphene heating core plate 4 is a circular plate structure. The inside of the graphene heating core plate 4 is a high temperature resistant circular plate, and its outer surface is coated with a graphene film, which makes it more cost-effective.

[0027] In one or more embodiments of the present invention, a circular hole is opened at the center of the base plate 1, a mounting seat 7 is clamped in the circular hole, a circular groove is formed in the mounting seat 7, and the circular groove is adapted to the graphene heating core plate 4.

[0028] In this embodiment, the mounting seat 7 is made of a high-temperature resistant heat-insulating material, and the heat of the graphene heating core board 4 will not affect the base board 1.

[0029] In one or more embodiments of the utility model, the outer edge of the mounting seat 7 has a flange edge 71, and a circular groove is provided on the outer side of the circular hole, and the flange edge 71 is adapted to the circular groove. The lower side of the flange edge 71 has at least one fixing column 72, and a positioning hole is provided in the circular groove, and the fixing column 72 is adapted to the positioning hole.

[0030] In one or more embodiments of the present invention, at least one long protrusion 73 is provided on the inner wall of the circular groove, and a positioning groove is provided on the outer wall of the graphene heating core board 4, and the long protrusion 73 is matched with the positioning groove.

[0031] In this embodiment, by setting the fixing column 72 and the positioning hole, the mounting base 7 has a limiting structure after installation, which is convenient for installation and positioning. By setting the long protrusion 73 and the positioning groove, the position of the graphene heating core board 4 will not rotate at will, so as not to affect the fixed position between the first thermal conductive graphene filament 5 and the second thermal conductive graphene filament 6.

[0032] In one or more embodiments of the present invention, an electrode sheet is further provided on one side of the base plate 1 , and the electrode sheet is electrically connected to the graphene heating core plate 4 .

[0033] In this embodiment, the graphene heating core board 4 generates heat by connecting a power source.

[0034] In one or more embodiments of the present invention, a heat insulating layer 8 and a waterproof and corrosion-resistant layer 9 are further provided on the outer side of the thermal insulation layer 2 .

[0035] In this embodiment, the base plate 1 serves as the supporting structure of the heating plate, and is usually made of a lightweight and high-strength material, such as a metal plate or a lightweight composite plate. It not only provides a solid foundation for the heating plate, but also ensures that it is not easily deformed or damaged during use. The thermal insulation layer 2 is usually composed of high-efficiency thermal insulation materials such as aerogel, rock wool, etc. These materials can effectively block the transfer of heat and enhance the thermal insulation performance of the heating plate. The thermal insulation layer 8 is made of high-temperature resistant materials to prevent external people or objects from being affected by high temperatures. The waterproof and corrosion-resistant layer 9 is made of waterproof and corrosion-resistant materials, so that the exposed part of the heating plate will not be penetrated by rainwater.

[0036] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "connection" and the like should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

Claims

1. A graphene heating plate with a heat-conducting structure, characterized in that: include: A base plate (1), wherein a heat-insulating layer (2) is arranged on one side of the base plate (1), a heating layer (3) is arranged on the other side of the base plate (1), a heat-conducting structure is arranged on the inner side of the heating layer (3), a graphene heating core plate (4) is embedded and installed at the center of the base plate (1), the inner side end of the heat-conducting structure is connected to the graphene heating core plate (4), and the heat-conducting structure is composed of a first heat-conducting component and a second heat-conducting component, and the two are not on the same horizontal plane.

2. The graphene heating plate with a heat-conducting structure according to claim 1, characterized in that: The first heat-conducting component is composed of two first heat-conducting graphene filaments (5) with symmetrical structures, and the second heat-conducting component is composed of two second heat-conducting graphene filaments (6) with symmetrical structures, and the two side ends of the first heat-conducting graphene filaments (5) and the second heat-conducting graphene filaments (6) are fixedly connected to the graphene heating core plate (4).

3. The graphene heating plate with a heat-conducting structure according to claim 2, characterized in that: The first heat-conducting graphene filament (5) is coated on the outer side of the second heat-conducting graphene filament (6); the middle section of the first heat-conducting graphene filament (5) has a plurality of first bending portions (51); the middle section of the second heat-conducting graphene filament (6) has a plurality of second bending portions (61); the depth of the first bending portion (51) is less than the depth of the second bending portion (61).

4. The graphene heating plate with a heat-conducting structure according to claim 1, characterized in that: The graphene heating core plate (4) is in a circular plate structure.

5. The graphene heating plate with a heat-conducting structure according to claim 1, characterized in that: A circular hole is provided at the center of the base plate (1), a mounting seat (7) is clamped in the circular hole, a circular groove is formed in the mounting seat (7), and the circular groove is compatible with the graphene heating core plate (4).

6. The graphene heating plate with a heat-conducting structure according to claim 5, characterized in that: The outer side of the mounting seat (7) has a flange (71), the outer side of the circular hole has an annular groove, the flange (71) is matched with the annular groove, the lower side of the flange (71) has at least one fixing column (72), the annular groove has a positioning hole, and the fixing column (72) is matched with the positioning hole.

7. The graphene heating plate with a heat-conducting structure according to claim 5, characterized in that: At least one long protrusion (73) is provided on the inner wall of the circular groove, and a positioning groove is provided on the outer wall of the graphene heating core plate (4), and the long protrusion (73) is matched with the positioning groove.

8. The graphene heating plate with a heat-conducting structure according to claim 1, characterized in that: An electrode sheet is also provided on one side of the base plate (1), and the electrode sheet is electrically connected to the graphene heating core plate (4).

9. The graphene heating plate with a heat-conducting structure according to claim 1, characterized in that: A heat insulating layer (8) and a waterproof and corrosion-resistant layer (9) are also provided on the outer side of the thermal insulation layer (2).