Composite structure of water-based graphene heat dissipation coating

Abstract

The utility model discloses a composite structure of a water-based graphene heat dissipation coating, which comprises a graphene slurry layer, the upper surface of the graphene slurry layer is fixedly connected with a first graphite sheet layer, the upper surface of the first graphite sheet layer is fixedly connected with a copper foil layer, the upper surface of the copper foil layer is fixedly connected with a second graphite sheet layer, and the second graphite sheet layer is fixedly connected with the graphene slurry layer. And the upper surface of the second graphite sheet layer is fixedly connected with a first aluminum foil layer. By means of the structure, the device is provided with the buffering breathable layer, certain protection measures are taken on the bottom structure when external force is applied, the buffering breathable layer is arranged between the first aluminum foil layer and the second aluminum foil layer, hot air is transmitted to the second aluminum foil layer through the buffering breathable layer after the first aluminum foil layer dissipates heat, and the heat is discharged through good heat dissipation performance of aluminum; the device is provided with a two-way connecting structure, a soaking layer is arranged on the upper surface of the second aluminum foil, and heat on the second aluminum foil is adsorbed through silicone grease and transmitted to a connecting layer.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation coating, in particular to a composite structure of water-based graphene heat dissipation coating. Background Art

[0002] With the continuous development of graphene materials, graphene has been widely used due to its excellent thermal conductivity, and can be well applied in various electronic products and equipment. Graphene is a two-dimensional crystal that needs to be processed to make a graphene film with good thermal conductivity. Hydrophilic factors are added to the graphene material to form a water-based graphene slurry. After being processed into a heat dissipation coating, it can be directly laid on the surface of electronic devices that need heat dissipation, which has a high thermal conductivity and can conduct heat more quickly. According to the good heat absorption of copper and the good heat dissipation of aluminum, the two materials are placed appropriately to improve the heat dissipation. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a composite structure of water-based graphene heat dissipation coating, wherein the device is provided with a buffer breathable layer, and takes certain protective measures for the bottom structure when subjected to external force, and is arranged between the first aluminum foil layer and the second aluminum foil layer. After the first aluminum foil layer dissipates heat, the hot air is transferred to the second aluminum foil layer through the buffer breathable layer, and the heat is discharged by the good heat dissipation of aluminum, and the device is provided with a bidirectional connection structure, and a heat-averaging layer is provided on the upper surface of the second aluminum foil, and the heat on the second aluminum foil is adsorbed and transferred to the connecting layer through silicone grease, and is in contact with another heat-conducting device through the connecting layer, and the bidirectional transfer is reduced through the heat-averaging layer.

[0004] The utility model also provides a composite structure with the above-mentioned water-based graphene heat dissipation coating, comprising: a graphene slurry layer, the upper surface of the graphene slurry layer is fixedly connected to a first graphite sheet layer, the upper surface of the first graphite sheet layer is fixedly connected to a copper foil layer, the upper surface of the copper foil layer is fixedly connected to a second graphite sheet layer, and the upper surface of the second graphite sheet layer is fixedly connected to a first aluminum foil layer;

[0005] A buffer air-permeable layer is fixedly connected to the upper surface of the first aluminum foil layer, an adhesive column is fixedly connected to the upper surface of the first graphite sheet layer, a second aluminum foil layer is fixedly connected to the upper surface of the buffer air-permeable layer, and a heat-balancing layer is fixedly connected to the upper surface of the second aluminum foil layer.

[0006] According to the composite structure of the water-based graphene heat dissipation coating, a first groove is provided on the upper surface of the copper foil layer, and the inner wall of the first groove is in contact with the bonding column.

[0007] According to the composite structure of the water-based graphene heat dissipation coating, the number of the bonding columns is multiple and evenly distributed, and the upper surface of the bonding column is fixedly connected to the second graphite sheet layer.

[0008] According to the composite structure of the water-based graphene heat dissipation coating, the side surface of the heat-dissipating layer is provided with heat dissipation holes, and the number of the heat dissipation holes is multiple and evenly distributed.

[0009] According to the composite structure of the water-based graphene heat dissipation coating, the upper surface of the heat-dissipating layer is provided with a second groove, and the inner wall of the second groove is provided with silicone grease.

[0010] According to the composite structure of the water-based graphene heat dissipation coating, the number of the second grooves is multiple and evenly distributed, and the number of the silicone grease is multiple and evenly distributed.

[0011] According to the composite structure of the water-based graphene heat dissipation coating, the upper surface of the silicone grease is fixedly connected to the connecting layer, and the lower surface of the silicone grease is fixedly connected to the second aluminum foil layer.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is an overall structural diagram of a composite structure of a water-based graphene heat dissipation coating of the utility model;

[0015] Figure 2 This is a diagram of the internal structure of a composite structure of a water-based graphene heat dissipation coating of the utility model;

[0016] Figure 3 This is a structural diagram of a heat-dissipating layer of a composite structure of a water-based graphene heat dissipation coating of the utility model;

[0017] Figure 4 This is a diagram of a silicone grease contact layer of a composite structure of a water-based graphene heat dissipation coating of the utility model.

[0018] Legend:

[0019] 1. Graphene slurry layer; 2. First graphite sheet layer; 3. Copper foil layer; 4. Second graphite sheet layer; 5. First aluminum foil layer; 6. Buffering breathable layer; 7. Second aluminum foil layer; 8. Heat-dissipating layer; 9. Adhesive column; 10. First groove; 11. Heat dissipation hole; 12. Second groove; 13. Silicone grease; 14. Connection layer. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4 The utility model embodiment provides a composite structure of a water-based graphene heat dissipation coating, which includes a graphene slurry layer 1, a first graphite sheet 2 is fixedly connected to the upper surface of the graphene slurry layer 1, a copper foil layer 3 is fixedly connected to the upper surface of the first graphite sheet 2, a second graphite sheet 4 is fixedly connected to the upper surface of the copper foil layer 3, and a first aluminum foil layer 5 is fixedly connected to the upper surface of the second graphite sheet 4.

[0022] A buffer air-permeable layer 6 is fixedly connected to the upper surface of the first aluminum foil layer 5, an adhesive column 9 is fixedly connected to the upper surface of the first graphite sheet layer 2, a second aluminum foil layer 7 is fixedly connected to the upper surface of the buffer air-permeable layer 6, a heat-averaging layer 8 is fixedly connected to the upper surface of the second aluminum foil layer 7, a first groove 10 is provided on the upper surface of the copper foil layer 3, the inner wall of the first groove 10 is in contact with the adhesive column 9, the number of the adhesive columns 9 is multiple and evenly distributed, the upper surface of the adhesive column 9 is fixedly connected to the second graphite sheet layer 4, a heat dissipation hole 11 is provided on the side surface of the heat-averaging layer 8, the number of the heat dissipation holes 11 is multiple and evenly distributed, a second groove 12 is provided on the upper surface of the heat-averaging layer 8, silicone grease 13 is provided on the inner wall of the second groove 12, the number of the second groove 12 is multiple and evenly distributed, the number of the silicone grease 13 is multiple and evenly distributed, the upper surface of the silicone grease 13 is fixedly connected to the connecting layer 14, and the lower surface of the silicone grease 13 is fixedly connected to the second aluminum foil layer 7.

[0023] Working principle: The graphene slurry layer 1 is brought into contact with the components that need heat dissipation, the heat is transferred through the first graphite sheet layer 2, quickly absorbed by the copper foil layer 3, and transferred through the second graphite sheet layer 4, and quickly dissipated through the first aluminum foil layer 5, and the heat is transferred to the second aluminum foil layer 7 through the buffer breathable layer 6 for heat dissipation. When it is necessary to connect to another device, the heat equalization layer 8 is used to reduce the heat transfer into the coating.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A composite structure of water-based graphene heat dissipation coating, characterized in that: include: A graphene slurry layer (1), wherein a first graphite sheet (2) is fixedly connected to the upper surface of the graphene slurry layer (1), a copper foil layer (3) is fixedly connected to the upper surface of the first graphite sheet (2), a second graphite sheet (4) is fixedly connected to the upper surface of the copper foil layer (3), and a first aluminum foil layer (5) is fixedly connected to the upper surface of the second graphite sheet (4); The upper surface of the first aluminum foil layer (5) is fixedly connected to a buffer and breathable layer (6), the upper surface of the first graphite sheet layer (2) is fixedly connected to an adhesive column (9), the upper surface of the buffer and breathable layer (6) is fixedly connected to a second aluminum foil layer (7), and the upper surface of the second aluminum foil layer (7) is fixedly connected to a heat-dissipating layer (8).

2. A composite structure of water-based graphene heat dissipation coating according to claim 1, characterized in that: A first groove (10) is provided on the upper surface of the copper foil layer (3), and the inner wall of the first groove (10) is in contact with the bonding column (9).

3. The composite structure of a water-based graphene heat dissipation coating according to claim 1, characterized in that: The bonding columns (9) are multiple and evenly distributed, and the upper surfaces of the bonding columns (9) are fixedly connected to the second graphite sheet (4).

4. The composite structure of a water-based graphene heat dissipation coating according to claim 1, characterized in that: The side surface of the heat-dissipating layer (8) is provided with heat dissipation holes (11), and the number of the heat dissipation holes (11) is multiple and evenly distributed.

5. The composite structure of water-based graphene heat dissipation coating according to claim 1, characterized in that: The upper surface of the heat-dissipating layer (8) is provided with a second groove (12), and the inner wall of the second groove (12) is provided with silicone grease (13).

6. The composite structure of water-based graphene heat dissipation coating according to claim 5, characterized in that: The number of the second grooves (12) is multiple and evenly distributed, and the number of the silicone grease (13) is multiple and evenly distributed.

7. The composite structure of water-based graphene heat dissipation coating according to claim 5, characterized in that: The upper surface of the silicone grease (13) is fixedly connected to a connecting layer (14), and the lower surface of the silicone grease (13) is fixedly connected to the second aluminum foil layer (7).

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