CN217721846U

CN217721846U - High-strength and high-heat-conductivity graphene radiating fin

Info

Publication number: CN217721846U
Application number: CN202221245782.1U
Authority: CN
Inventors: 康祥果; 王孝兵
Original assignee: Shenzhen Jincheng Technology Co ltd
Current assignee: Shenzhen Jincheng Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-01
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a high heat conduction graphite alkene fin of high strength, including the fin bottom plate, the fin bottom plate upwards extends there is the heat dissipation arch, the perforating hole has been seted up downwards by its top to the heat dissipation arch, the bottom of perforating hole downwardly extending to the fin bottom plate, fin bottom plate lower part is provided with bottom graphite alkene layer, bottom graphite alkene layer bottom is provided with bottom viscose layer, bottom viscose layer bottom is provided with the bottom from the type rete, fin bottom plate upper surface is provided with the graphite alkene composite bed, graphite alkene composite bed upper portion is provided with antistatic backing, antistatic backing upper portion is provided with the insulating layer, the perforating hole intussuseption is filled with middle graphite alkene filling layer, the lower part and the bottom graphite alkene layer contact of middle graphite alkene filling layer are connected. The high-strength and high-heat-conductivity graphene radiating fin has the advantages of good heat dissipation and heat dissipation performance, high structural strength, strong tensile strength and the like, and the service life of the high-strength and high-heat-conductivity graphene radiating fin can be prolonged in practical application.

Description

High-strength and high-heat-conductivity graphene radiating fin

Technical Field

The utility model relates to an electronic product's heat dissipation protection field, especially a high heat conduction graphite alkene fin of high strength.

Background

Along with the development and maturity of electronic technology, the integration level of electronic products is higher and higher, various functional modules are integrated on a small chip, and the products are tighter and tighter, which provides new requirements for the stable work of electronic products.

In order to ensure the long-term normal operation of the electronic product, various heat generated during the operation of the electronic product needs to be taken away in time, so as to ensure that the electronic component is in a normal working environment.

The traditional metal radiator is difficult to be applied to electronic products with the most light weight on a large scale due to the defects of high density, high weight and the like.

Graphene materials are increasingly widely used in various heat-conducting environments due to their low density and good heat-conducting properties. However, the existing graphene heat dissipation structure generally has the defects of fragility, low strength and poor toughness, is easy to damage during production and application, brings great economic loss to practical application, and also seriously reduces the service life of a graphene heat dissipation product.

In view of the above, the present invention provides a new technical solution to solve the existing technical drawbacks.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a high heat conduction graphite alkene fin of high strength has solved technical defect such as current heat dissipation product heat dispersion is not enough, structural strength is low, cracked, life weak point easily.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a high heat conduction graphite alkene fin of high strength, includes the fin bottom plate, the fin bottom plate upwards extends there is the heat dissipation arch, the perforating hole has been seted up downwards by its top to the heat dissipation arch, perforating hole downwardly extending to the bottom of fin bottom plate, fin bottom plate lower part is provided with bottom graphite alkene layer, bottom graphite alkene layer bottom is provided with bottom viscose layer, bottom viscose layer bottom is provided with the bottom from the type rete, fin bottom plate upper surface is provided with the graphite alkene composite bed, graphite alkene composite bed upper portion is provided with antistatic backing, antistatic backing upper portion is provided with the insulating layer, the perforating hole intussuseption is filled with middle graphite alkene filling layer, the lower part and the contact of bottom graphite alkene layer of middle graphite alkene filling layer are connected.

As a further improvement of the technical scheme, the heat dissipation protrusions are circular truncated cone-shaped protrusions, the heat dissipation protrusions and the heat dissipation fin bottom plate are integrally formed aluminum alloy pieces, and the through holes are in a horn shape with a narrow top and a large bottom.

As a further improvement of the above technical solution, the graphene composite layer includes a graphene fixed layer and a graphene particle layer fixed on the graphene fixed layer, the graphene fixed layer is a fixed heat-conducting silica gel layer, and the thickness of the graphene composite layer is 100-120 μm.

As a further improvement of the technical scheme, the upper surface of the graphene particle layer is provided with uniformly distributed wave crest-shaped convex ribs for improving the heat dissipation effect.

As a further improvement of the above technical solution, the bottom graphene layer and the middle graphene filling layer are both modified graphene filling layers, and the thickness of the bottom graphene layer is 200-250 micrometers.

As a further improvement of the technical scheme, the thickness of the radiating fin base plate is 2.5-3.0 mm.

As a further improvement of the technical scheme, the anti-static layer is a woven layer formed by mixing and weaving copper fibers and glass fibers, the woven layer is bonded with an adjacent layer through viscose, and the thickness of the anti-static layer is 40-50 micrometers.

As a further improvement of the technical scheme, the insulating layer is a polyimide insulating layer, and the thickness of the insulating layer is 10-12 microns.

As a further improvement of the technical scheme, the bottom adhesive layer is a heat-conducting silica gel layer, and the thickness of the bottom adhesive layer is 40-50 microns.

As a further improvement of the technical scheme, the bottom release film layer is a fluorine PET release film, and the side part of the bottom release film layer is provided with an easy-to-tear part of the release film.

The beneficial effects of the utility model are that: the utility model provides a high heat conduction graphite alkene fin of high strength, this kind of high heat conduction graphite alkene fin of high strength is provided with bottom graphite alkene layer in fin bottom plate bottom, through the quick heat conduction of middle graphite alkene filling layer, quick heat dissipation is realized to rethread graphite alkene composite bed, heat dispersion obtains promoting by a wide margin, and simultaneously, the fin bottom plate provides sufficient structural strength for whole fin, effectively promotes the stretch-proofing and shock resistance of fin, effectively prolongs the life of fin.

To sum up, this kind of high thermal conductivity graphite alkene fin of high strength has solved technical defect such as current heat dissipation product heat dispersion is not enough, structural strength is low, easy cracked, life is short.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an assembly schematic diagram of the present invention.

Detailed Description

The conception, specific structure, and technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings, so that the objects, features, and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations related in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other, refers to figure 1.

The high-strength high-thermal-conductivity graphene radiating fin comprises a radiating fin base plate 1, wherein the thickness of the radiating fin base plate 1 is 2.5-3.0 mm. The radiating fin base plate 1 upwards extends and has heat dissipation arch 11, through-hole 12 has been seted up downwards by its top to heat dissipation arch 11, through-hole 12 downwardly extending to the bottom of radiating fin base plate 1, heat dissipation arch 11 is round platform form arch, and heat dissipation arch 11 and radiating fin base plate 1 are body shaping aluminum alloy spare, through-hole 12 is the loudspeaker form of narrow from top to bottom big. The bottom graphene layer 2 is arranged on the lower portion of the radiating fin base plate 1, the middle graphene filling layer 8 is filled in the through hole 12, the bottom graphene layer 2 and the middle graphene filling layer 8 are both modified graphene filling layers, and the thickness of the bottom graphene layer 2 is 200-250 micrometers. The lower part of the middle graphene filling layer 8 is in contact connection with the bottom graphene layer 2. The utility model discloses a heat dissipation fin, including fin bottom 2, bottom graphite alkene layer 2, bottom viscose layer 3's thickness is 40-50 microns, 3 bottoms on bottom viscose layer are provided with the bottom and leave type rete 4, the bottom is from type rete 4 and is fluorine PET from the type membrane, and the bottom is provided with from type membrane easy-tear portion from type 4 lateral parts of type rete, fin bottom plate 1 upper surface is provided with graphite alkene composite bed 5, graphite alkene composite bed 5 includes graphite alkene fixed bed 51 and fixes graphite alkene granular layer 52 on graphite alkene fixed bed 51, graphite alkene fixed bed 51 is fixed heat conduction silica gel layer, graphite alkene composite bed 5's thickness is 100-120 microns. The upper surface of the graphene particle layer 52 is provided with uniformly distributed peak-shaped convex ridges for improving the heat dissipation effect. The upper portion of the graphene composite layer 5 is provided with an anti-static layer 6, the anti-static layer 6 is a woven layer formed by weaving copper fibers and glass fibers in a mixed mode, the woven layer is bonded with an adjacent layer through viscose, and the thickness of the anti-static layer 6 ranges from 40 microns to 50 microns. An insulating layer 7 is arranged on the upper portion of the anti-static layer 6, in the scheme, the insulating layer 7 is a polyimide insulating layer, and the thickness of the insulating layer 7 is 10-12 microns.

When the heat dissipation structure is used specifically, the bottom release film 4 is torn through the easy-to-tear part of the release film, the bottom graphene layers 2 of the 3 bottom adhesive layers are adhered to a position needing heat dissipation, heat is transferred to the middle graphene filling layer 8 and the heat dissipation fin bottom plate 1 through the bottom graphene layers 2, heat of the middle graphene filling layer 8 is transferred to the heat dissipation protrusions 11, and the heat is dissipated quickly through the outer surfaces of the circular truncated cone-shaped heat dissipation protrusions 11; on the other hand, the heat of bottom graphite alkene layer 2 is passed through fin bottom plate 1 and is given graphene composite layer 5 and carry out the heat dissipation fast by graphene composite layer 5 again, has effectively promoted heat dispersion.

Because the radiating fin bottom plate 1 and the radiating protrusions 11 adopted by the radiating fin are integrally formed aluminum alloy pieces, the structural strength and the tensile resistance of the radiating fin can be improved, and the service life of the radiating fin is effectively prolonged.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a high heat conduction graphite alkene fin of high strength which characterized in that: including fin bottom plate (1), fin bottom plate (1) upwards extends has heat dissipation arch (11), perforating hole (12) have been seted up downwards by its top to heat dissipation arch (11), perforating hole (12) downwardly extending to the bottom of fin bottom plate (1), fin bottom plate (1) lower part is provided with bottom graphite alkene layer (2), bottom graphite alkene layer (2) bottom is provided with bottom viscose layer (3), bottom viscose layer (3) bottom is provided with the bottom and leaves type rete (4), fin bottom plate (1) upper surface is provided with graphite alkene composite bed (5), graphite alkene composite bed (5) upper portion is provided with antistatic backing (6), antistatic backing (6) upper portion is provided with insulating layer (7), perforating hole (12) intussuseption is filled with middle graphite alkene filling layer (8), the lower part and the bottom graphite alkene layer (2) contact of middle graphite alkene filling layer (8) are connected.

2. The graphene heat sink with high strength and high thermal conductivity according to claim 1, wherein: the heat dissipation bulge (11) is a circular truncated cone-shaped bulge, the heat dissipation bulge (11) and the heat dissipation bottom plate (1) are integrally formed aluminum alloy parts, and the through hole (12) is in a horn shape with a narrow upper part and a large lower part.

3. The high-strength high-thermal-conductivity graphene heat dissipation sheet as recited in claim 1, wherein: the graphene composite layer (5) comprises a graphene fixed layer (51) and a graphene particle layer (52) fixed on the graphene fixed layer (51), the graphene fixed layer (51) is a fixed heat conduction silica gel layer, and the thickness of the graphene composite layer (5) is 100-120 micrometers.

4. The high-strength high-thermal-conductivity graphene heat sink according to claim 3, wherein: the upper surface of the graphene particle layer (52) is provided with wave-crest-shaped convex ridges which are uniformly distributed and used for improving the heat dissipation effect.

5. The graphene heat sink with high strength and high thermal conductivity according to claim 1, wherein: the bottom graphene layer (2) and the middle graphene filling layer (8) are both modified graphene filling layers, and the thickness of the bottom graphene layer (2) is 200-250 micrometers.

6. The graphene heat sink with high strength and high thermal conductivity according to claim 1, wherein: the thickness of the radiating fin bottom plate (1) is 2.5-3.0 millimeters.

7. The graphene heat sink with high strength and high thermal conductivity according to claim 1, wherein: the anti-static layer (6) is a woven layer formed by weaving copper fibers and glass fibers in a mixed mode, the woven layer is bonded with an adjacent layer through viscose, and the thickness of the anti-static layer (6) ranges from 40 microns to 50 microns.

8. The high-strength high-thermal-conductivity graphene heat dissipation sheet as recited in claim 1, wherein: the insulating layer (7) is a polyimide insulating layer, and the thickness of the insulating layer (7) is 10-12 micrometers.

9. The graphene heat sink with high strength and high thermal conductivity according to claim 1, wherein: the bottom adhesive layer (3) is a heat-conducting silica gel layer, and the thickness of the bottom adhesive layer (3) is 40-50 micrometers.

10. The high-strength high-thermal-conductivity graphene heat dissipation sheet as recited in claim 1, wherein: the bottom is from type rete (4) for fluorine element PET from type membrane, and the bottom is provided with from type membrane easy tear portion from type rete (4) lateral part.