Graphene superconducting electrothermal film

Abstract

The utility model discloses a graphene superconductive electrothermal film, and relates to the technical field of heating equipment, the graphene superconductive electrothermal film comprises a lower layer, an inner layer is arranged above the lower layer, an inner layer is arranged above the inner layer, an upper layer is arranged above the inner layer, the inner layer is made of a superconductive material, the lower layer is provided with a slurry tank and an electrode plate, the cross section of the slurry tank is rectangular, and the cross section of the electrode plate is rectangular. The long edge of the rectangle is parallel to the long edge of the lower layer, a step is formed between every two adjacent size tanks, and a passageway penetrating through the steps is arranged in the middle of each step and used for being communicated with the corresponding size tank; according to the graphene superconductive electrothermal film provided by the utility model, the heat conduction efficiency of the electrothermal film is improved by arranging the inner layer made of the superconductive material, and the stability of the electrothermal film is improved by placing the heat conduction substance in the slurry tank.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heating equipment technical field especially relates to a kind of graphene superconducting electric heating film. BACKGROUND

[0002] With the increasing maturity of graphene electric heating film technology and the increase of application cases, and the gradually increasing cognition of market, more and more consumers learn the advantages of graphene electric heating film, such as energy saving, environmental protection, comfort, and thus its acceptance is also continuously improved.

[0003] In the prior art, although graphene electric heating film has the characteristics of energy saving and environmental protection, the existing graphene electric heating film has poor heating stability and low heat conduction efficiency.

[0004] Therefore, a graphene superconducting electric heating film is proposed to improve the heating stability and conductivity efficiency of graphene electric heating film. UTILITY MODEL CONTENT

[0005] In view of the above problems of poor heating stability and low heat conduction efficiency of the existing graphene electric heating film, the utility model is proposed.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a kind of graphene superconducting electric heating film, which comprises a lower layer, the lower layer is provided with an inner layer above, the inner layer is provided with an inner layer above, the inner layer is provided with an upper layer above, the inner layer is made of superconducting material, the lower layer is provided with slurry tank and electrode sheet, slurry tank cross section shape is rectangle, and the rectangle long side is parallel to the long side of the lower layer, the adjacent two slurry tanks form a step between them, a passageway is provided in the middle of the step, and the passageway is used to connect the slurry tank.

[0007] Preferably, the upper layer and the inner layer are provided with through holes for the electrode sheet to pass through, one end of the electrode sheet is arranged in the slurry tank, and the other end passes through the inner layer and is arranged in the through hole of the upper layer.

[0008] Preferably, the electrode sheet is provided with a plurality of electrode sheets, and the plurality of electrode sheets are distributed equidistantly along the edge line of the lower layer.

[0009] Preferably, the top surface of the electrode sheet is flush with the top surface of the upper layer.

[0010] Preferably, the slurry tank is provided with a plurality of slurry tanks, and the number of the plurality of slurry tanks is the same as that of the electrode sheet and is one-to-one corresponding to the plurality of electrode sheets.

[0011] The utility model has the advantages of:

[0012] 1. The inner layer made of superconducting material is arranged to improve the heat conduction efficiency of the electric heating film.

[0013] 2. The stability of the electrothermal film is improved by placing a heat-conducting material in the vat. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0015] Figure 1 It is a structural schematic diagram of the present application.

[0016] Figure 2 It is an explosive structural schematic diagram of the present application.

[0017] Figure 3 It is a top view structural schematic diagram of the present application.

[0018] Figure 4 It is a structural schematic diagram of the present application Figure 3 It is a cross-sectional view along A-A of the present application.

[0019] Figure 5 It is a structural schematic diagram of the lower layer of the second embodiment of the present application.

[0020] Figure 6 It is a structural schematic diagram of the lower layer of the third embodiment of the present application.

[0021] Explanation of reference signs:

[0022] 1, lower layer; 2, inner layer; 3, upper layer; 4, electrode sheet; 5, vat. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0024] Referring to Figures 1-6 , an embodiment of the present application provides a graphene superconducting electrothermal film, the graphene superconducting electrothermal film comprises a lower layer 1, an inner layer 2 is arranged above the lower layer 1, an upper layer 3 is arranged above the inner layer 2, the inner layer 2 is made of a superconducting material, the lower layer 1 is provided with a vat 5 and an electrode sheet 4, the cross-sectional shape of the vat 5 is rectangular, and the long side of the rectangle is parallel to the long side of the lower layer 1, a step is formed between the adjacent two vats 5, a passageway penetrating the step is arranged in the middle of the step, and the passageway is used for connecting the vats 5.

[0025] Specifically, the lower layer 1 is provided with a slurry tank 5, the cross-sectional shape of the slurry tank 5 is rectangular, and the long side of the rectangle is parallel to the long side of the lower layer 1. The edge of the lower layer 1 is provided with an electrode sheet, and the electrode sheet 4 is provided with a plurality of electrode sheets 4, which are distributed equidistantly along the edge line of the lower layer 1. The number of electrode sheets 4 is the same as that of the slurry tank 5, and the distribution of the electrode sheet 4 corresponds to the slurry tank 5 one by one. A conductive wire is arranged between the two adjacent electrode sheets 4, which connects the two adjacent electrode sheets 4 to realize the power-on of all electrode sheets 4, and then realizes the overall power-on of the electrothermal film.

[0026] Specifically, the slurry tank 5 is provided with a plurality of slurry tanks 5, and the slurry tank 5 is provided with silver paste or carbon paste with conductive function.

[0027] Further, in some embodiments, the slurry tank 5 is arranged in a spiral line on the lower layer 1, and the silver paste or carbon paste is arranged in the slurry tank 5. In this way, the surface area of the slurry tank 5 can be increased, thereby increasing the heat conduction efficiency of the graphene superconducting electrothermal film, and the electrode sheet 4 is evenly distributed at one end of each slurry tank 5 or closely adheres to it.

[0028] Further, in some embodiments, the cross-sectional shape of the slurry tank 5 is rectangular, and the long side of the rectangle is parallel to the long side of the lower layer 1. A passageway is arranged in the middle of the step formed between the two adjacent slurry tanks 5, which penetrates the step. The passageway is used for the flow of silver paste or carbon paste between the slurry tanks 5, which increases the flowability of the silver paste or carbon paste, thereby increasing the heat dissipation efficiency of the graphene superconducting electrothermal film.

[0029] Further, in some embodiments, the electrode sheet is provided with a plurality of electrode sheets 4, which are arranged in a straight line. The arrangement direction is along the short side of the lower layer 1, and the two adjacent electrode sheets 4 are closely arranged together. Powering one of the electrode sheets 4 can realize the power-on of all electrode sheets 4.

[0030] Specifically, the inner layer 2 is made of superconducting material. The superconducting material has extremely low resistance or even zero resistance under certain conditions, and can efficiently transmit current. This makes the superconducting electrothermal film can quickly convert electrical energy into heat energy, realize rapid heating, improve heat conduction efficiency, and the superconducting material can maintain stable performance within a certain temperature range, which is crucial for long-term use of the electrothermal film, ensuring that it can reliably heat in different working environments. Even in the case of long-term operation or large temperature changes, the superconducting material is not easy to degrade or damage in performance; the inner layer 2 is provided with holes for the electrode sheet 4 to pass through, and the holes for the electrode sheet 4 to pass through are arranged near the edge of the inner layer 2. The position of the hole is matched with the position of the electrode sheet 4, and the number of holes is the same as the number of electrode sheets 4.

[0031] Further, the superconducting material constituting the inner layer 2 is selected from graphene. Graphene has good electrical conductivity, thermal conductivity and mechanical strength. It can achieve efficient electrothermal conversion in a very thin thickness, and has good flexibility and processability.

[0032] Preferably, the inner layer 2 superconducting material is selected from carbon nanotubes, which is a one-dimensional quantum material with special structure, the radial dimension is nanometer level, the axial dimension is micron level, both ends of the tube are basically sealed, the carbon nanotube is mainly composed of carbon atoms arranged in a hexagonal shape, and the coaxial pipe has several to tens of layers, the distance between layers is fixed, about 0.34 nanometers, and the diameter is generally 2 to 20 nanometers.

[0033] Specifically, the upper layer 3 is provided with a through hole, the through hole is located directly above the electrode sheet 4, the inner layer 2 is provided with a through hole, the electrode sheet 4 passes through the through hole of the inner layer 2 and is connected with the through hole of the upper layer 3, one end of the electrode sheet 4 is arranged in the slurry groove 5 or the side edge of the electrode sheet 4 is in contact with the side edge of the slurry groove 5, the other end of the electrode sheet 4 passes through the inner layer 2 and is arranged in the through hole of the upper layer 3, further, the top surface of the electrode sheet 4 is flush with the top surface of the upper layer 3.

[0034] Specifically, each layer of the electrothermal film has good thermal conductivity and insulation, and the thickness of the electrothermal film is 0.02-0.5 millimeters.

[0035] In use, the silver paste or carbon paste is filled into the slurry groove 5 of the lower layer 1, the superconducting inner layer 2 is placed on the lower layer 1, the upper layer 3 is placed above the inner layer 2, the electrode sheet 4 is arranged on the lower layer 1 and passes through the inner layer 2 and the upper layer 3, and finally the three layers are pressed together.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, not to limit it, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A graphene superconducting electrocaloric film comprising a lower layer (1), characterized in that: The lower layer (1) is provided with an inner layer (2) above it, and the inner layer (2) is provided with an upper layer (3) above it, the inner layer (2) is made of superconducting material, the lower layer (1) is provided with a slurry tank (5) and an electrode sheet (4), the cross section shape of the slurry tank (5) is rectangular, and the long side of the rectangle is parallel to the long side of the lower layer (1), a step is formed between two adjacent slurry tanks (5), and a passageway is provided in the middle of the step, which is used for connecting the slurry tanks (5).

2. The graphene superconductive and electric heating film according to claim 1, characterized in that: The upper layer (3) and the inner layer (2) are provided with through holes for the electrode sheet (4) to pass through, one end of the electrode sheet (4) is arranged in the slurry tank (5), and the other end is arranged in the through hole of the upper layer (3) through the inner layer (2).

3. The graphene superconductive heating film according to claim 2, characterized in that: The electrode sheet (4) is provided with a plurality of electrode sheets (4), and the plurality of electrode sheets (4) are distributed equidistantly along the edge line of the lower layer (1).

4. The graphene superconductive and electric heating film according to claim 3, characterized in that: The top surface of the electrode sheet (4) is flush with the top surface of the upper layer (3).

5. The graphene superconductive and electric heating film according to claim 1, characterized in that: The slurry tank (5) is provided with a plurality of slurry tanks (5), and the number of the plurality of slurry tanks (5) is the same as that of the electrode sheet (4) and is one-to-one corresponding to the plurality of electrode sheet (4).

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