CN215222884U

CN215222884U - Graphite radiating fin for electronic product

Info

Publication number: CN215222884U
Application number: CN202121635247.2U
Authority: CN
Inventors: 谭小球
Original assignee: Shenzhen Lediwei Technology Co ltd
Current assignee: Shenzhen Lediwei Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-17
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a graphite fin for electronic product relates to heat radiation material technical field. Including graphite fin body, the upper surface of graphite fin body is provided with the metal heat-conducting layer, the upper surface of metal heat-conducting layer is provided with the insulating layer, the upper surface of insulating layer is provided with the basal layer membrane, the upper surface of basal layer membrane is provided with the radiation layer. This a graphite fin for electronic product, through setting up metal heat-conducting layer and insulating layer, the setting of metal heat-conducting layer has both improved the heat conductivity of graphite fin body, the setting of insulating layer, use under the cooperation of first through-hole and second through-hole, the heat transfer efficiency of graphite fin body has been improved, the setting of metal heat-conducting layer simultaneously, the tensile strength and the service strength of graphite fin body have further been improved, through setting up insulating layer and radiation layer, be convenient for completely cut off with external environment at the in-process that uses, thereby be convenient for protect graphite fin body.

Description

Graphite radiating fin for electronic product

Technical Field

The utility model relates to a heat radiation material technical field specifically is a graphite fin for electronic product.

Background

At present, along with the increase of electronic product use, the demand of screen hi-lite makes the LED use amount increase, also increase the calorific capacity of equipment simultaneously, battery power consumption increases simultaneously, battery capacity also follows to improve, thereby it is great to make electronic product generate heat in the in-process of using, for guaranteeing electronic product's life, need to the timely heat dissipation treatment of carrying out to electronic product, graphite material has extensive special properties, for example high transparency, high conductivity, high thermal conductivity, high strength etc., graphite fin, be a brand-new heat conduction heat dissipation material, be far above metals such as metal copper aluminium, and have the heat conduction characteristic that other heat conduction materials do not possess and be two-dimentional heat conduction directionality, provide good heat conduction passageway on the two-dimensional plane.

The graphite radiating fin in the prior art is low in strength in the using process, the using effect is reduced, meanwhile, the radiating strength in the using process needs to be improved, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a graphite fin for electronic product possesses intensity, radiating effect good and improve advantages such as life of having guaranteed in the use, has solved the general problem of current graphite fin result of use.

In order to realize the above-mentioned intensity, the radiating effect of having guaranteed in the use good and the purpose that has improved life, the utility model provides a following technical scheme: the utility model provides a graphite fin for electronic product, includes graphite fin body, the upper surface of graphite fin body is provided with the metal heat-conducting layer, the upper surface of metal heat-conducting layer is provided with the insulating layer, the upper surface of insulating layer is provided with the basal lamina membrane, the upper surface of basal lamina membrane is provided with the radiation layer.

As an optimal technical scheme of the utility model, the outside of graphite fin body is provided with the insulating layer, the insulating layer polyethylene terephthalate insulating rubber coating layer, the thickness of insulating layer is 10-20 mu m, the edge of insulating layer parcel graphite fin body and the edge at the front and the back of graphite fin body.

As an optimized technical scheme of the utility model, first through-hole and second through-hole have been seted up on the surface of insulating layer, and first through-hole and second through-hole communicate each other.

As an optimized technical scheme of the utility model, the metal heat-conducting layer is aluminium heat-conducting layer, and the thickness of metal heat-conducting layer is 5um-10 μm.

As an optimized technical proposal of the utility model, the base layer film is a PET film, and the thickness of the base layer film is between 0.01um and 0.2 um.

As an optimized technical scheme of the utility model, the insulating layer is slice aerogel insulating layer, the thickness of insulating layer is 10-50 mu m, the radiation layer is the non-conductive nonmetal slice radiation layer.

As an optimized technical scheme of the utility model, graphite fin body and metal heat-conducting layer, metal heat-conducting layer and insulating layer, insulating layer and basement membrane all bond each other with the radiation layer.

Compared with the prior art, the utility model provides a graphite fin for electronic product possesses following beneficial effect:

1. this a graphite fin for electronic product, through setting up metal heat-conducting layer and insulating layer, the setting of metal heat-conducting layer has both improved the heat conductivity of graphite fin body, and the setting of insulating layer is used under the cooperation of first through-hole and second through-hole, has improved the heat transfer efficiency of graphite fin body, and the tensile strength and the service strength of graphite fin body have further been improved to the setting of metal heat-conducting layer simultaneously.

2. This a graphite fin for electronic product, through setting up insulating layer and radiation layer, be convenient for completely cut off with external environment at the in-process that uses to be convenient for protect graphite fin body, thereby improved the reliability of product, the setting of basement membrane has improved thermal diffusion, thereby avoids graphite fin body local overheat, thereby has improved the performance and the life-span of product.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the radiation layer of the present invention.

In the figure: 1. a graphite heat sink body; 2. an insulating layer; 3. a metal heat conducting layer; 4. a thermal insulation layer; 41. a first through hole; 42. a second through hole; 5. a base layer film; 6. and a radiation layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model discloses a graphite fin for electronic product, including graphite fin body 1, graphite fin body 1's upper surface is provided with metal heat-conducting layer 3, the upper surface of metal heat-conducting layer 3 is provided with insulating layer 4, the upper surface of insulating layer 4 is provided with basic rete 5, the upper surface of basic rete 5 is provided with radiation layer 6.

Specifically, the insulating layer 2 is arranged on the outer side of the graphite radiating fin body 1, the insulating layer 2 is a polyethylene terephthalate insulating adhesive film layer, the thickness of the insulating layer 2 is 10-20 μm, and the insulating layer 2 wraps the edge of the graphite radiating fin body 1 and the edges of the front surface and the back surface of the graphite radiating fin body 1.

In this embodiment, the arrangement of the insulating layer 2 is convenient for isolating from the external environment in the using process, so that the graphite heat radiating fin body 1 is protected conveniently.

Specifically, the surface of the heat insulation layer 4 is provided with a first through hole 41 and a second through hole 42, and the first through hole 41 and the second through hole 42 are communicated with each other.

In this embodiment, the heat insulating layer 4 is provided to improve the heat transfer efficiency of the graphite heat sink body 1 when the first through hole 41 and the second through hole 42 are used in cooperation.

Specifically, the metal heat conduction layer 3 is an aluminum heat conduction layer, and the thickness of the metal heat conduction layer 3 is 5um-10 μm; the base layer film 5 is a PET film, and the thickness of the base layer film 5 is 0.01um-0.2 um.

In this embodiment, the arrangement of the metal heat conduction layer 3 improves the heat conductivity of the graphite heat sink body 1.

Specifically, the heat insulation layer 4 is a sheet aerogel heat insulation layer, the thickness of the heat insulation layer 4 is 10-50 μm, and the radiation layer 6 is a non-conductive non-metal sheet radiation layer; the graphite radiating fin body 1 is bonded with the metal heat conduction layer 3, the metal heat conduction layer 3 is bonded with the heat insulation layer 4, the heat insulation layer 4 is bonded with the base film 5, and the base film 5 is bonded with the radiation layer 6.

In this embodiment, the arrangement of the base film 5 further improves the heat diffusion, thereby preventing the graphite heat sink body 1 from being locally overheated.

The utility model discloses a theory of operation and use flow: when using, when graphite fin body 1 is used for the electronic product on, the setting of metal heat-conducting layer 3 has both improved graphite fin body 1's heat conductivity, insulating layer 4's setting, under the cooperation of first through-hole 41 and second through-hole 42 is used, graphite fin body 1's heat transfer efficiency has been improved, the setting of metal heat-conducting layer 3, the tensile strength and the service strength of graphite fin body 1 have been improved, insulating layer 2's setting, be convenient for completely cut off with external environment at the in-process that uses, thereby be convenient for protect graphite fin body 1.

In summary, according to the graphite heat sink for the electronic product, the metal heat conduction layer 3 and the heat insulation layer 4 are arranged, the arrangement of the metal heat conduction layer 3 not only improves the heat conductivity of the graphite heat sink body 1, but also improves the heat transfer efficiency of the graphite heat sink body 1 under the matching use of the first through hole 41 and the second through hole 42 due to the arrangement of the heat insulation layer 4, and meanwhile, the tensile strength and the use strength of the graphite heat sink body 1 are further improved due to the arrangement of the metal heat conduction layer 3; through setting up insulating layer 2 and radiation layer 6, be convenient for completely cut off with external environment at the in-process that uses to be convenient for protect graphite heat sink body 1, thereby improved the reliability of product, the setting of basic film 5 has improved thermal diffusion, thereby avoids graphite heat sink body 1 local overheat, thereby has improved the performance and the life-span of product.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A graphite heat sink for electronic products, comprising a graphite heat sink body (1), characterized in that: the upper surface of graphite fin body (1) is provided with metal heat-conducting layer (3), the upper surface of metal heat-conducting layer (3) is provided with insulating layer (4), the upper surface of insulating layer (4) is provided with basic membrane (5), the upper surface of basic membrane (5) is provided with radiation layer (6).

2. A graphite heat sink for electronic products as claimed in claim 1, wherein: the graphite heat radiating fin comprises a graphite heat radiating fin body (1), wherein an insulating layer (2) is arranged on the outer side of the graphite heat radiating fin body (1), the insulating layer (2) is a polyethylene terephthalate insulating glue film layer, the thickness of the insulating layer (2) is 10-20 mu m, and the insulating layer (2) wraps the edge of the graphite heat radiating fin body (1) and the edges of the front surface and the back surface of the graphite heat radiating fin body (1).

3. A graphite heat sink for electronic products as claimed in claim 1, wherein: the surface of the heat insulation layer (4) is provided with a first through hole (41) and a second through hole (42), and the first through hole (41) is communicated with the second through hole (42).

4. A graphite heat sink for electronic products as claimed in claim 1, wherein: the metal heat conduction layer (3) is an aluminum heat conduction layer, and the thickness of the metal heat conduction layer (3) is 5um-10 μm.

5. A graphite heat sink for electronic products as claimed in claim 1, wherein: the base layer film (5) is a PET film, and the thickness of the base layer film (5) is 0.01-0.2 um.

6. A graphite heat sink for electronic products as claimed in claim 1, wherein: the heat insulation layer (4) is a sheet aerogel heat insulation layer, the thickness of the heat insulation layer (4) is 10-50 mu m, and the radiation layer (6) is a non-conductive non-metal sheet radiation layer.

7. A graphite heat sink for electronic products as claimed in claim 1, wherein: the graphite radiating fin body (1) is mutually bonded with the metal heat conduction layer (3), the metal heat conduction layer (3) is mutually bonded with the heat insulation layer (4), the heat insulation layer (4) is mutually bonded with the base layer film (5), and the base layer film (5) is mutually bonded with the radiation layer (6).