CN212073160U

CN212073160U - Heat dissipation aluminium foil

Info

Publication number: CN212073160U
Application number: CN202020072836.3U
Authority: CN
Inventors: 欧阳辉文
Original assignee: Westpoint Electron Co ltd
Current assignee: Westpoint Electron Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-12-04
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a heat dissipation aluminium foil, including the heat dissipation layer, the bottom on heat dissipation layer bonds there is the insulating layer, the bottom of insulating layer bonds there is the glass fiber layer, the bottom on glass fiber layer bonds there is from the type layer, the inside of insulating layer includes graphite ventilative layer and heat-conducting layer, the bottom on graphite ventilative layer bonds there is the heat-conducting layer. The utility model discloses an it can discharge the heat that electronic product produced through the heat dissipation layer when using to increase the heat dissipation layer at the upper surface of aluminium foil paper, and each rete of bottom all has heat dissipation and heat conduction effect, the heat dissipation layer adopts the graphite material to make, heat dispersion is better, the insulating layer can avoid aluminium foil paper to produce static simultaneously, electronic product's normal use has been ensured, increase ventilative layer of graphite and heat-conducting layer in the inside of aluminium foil paper, use through the heat dissipation layer cooperation with the top, the radiating effect is better, this aluminium foil paper adopts current technology to make, thickness is thinner.

Description

Heat dissipation aluminium foil

Technical Field

The utility model relates to an aluminium foil technical field specifically is a heat dissipation aluminium foil.

Background

Aluminum foil is widely used for foods, beverages, cigarettes, medicines, photographic plates, household goods, etc. because of its excellent characteristics, and is generally used as a packaging material thereof; an electrolytic capacitor material; heat insulating materials for buildings, vehicles, ships, houses, and the like; the electronic product packaging structure can also be used as decorative gold and silver lines, wallpaper, various stationery printed matters, decoration trademarks of light industrial products and the like, along with the continuous development of the electronic industry, the integration level of chips of various electronic products is higher and higher, the requirement on heat dissipation is higher and higher, the interior of the electronic product is also connected by adopting sticky aluminum foil paper, but because the aluminum foil paper does not have the heat dissipation effect, the heat dissipation effect at the position is poor after the aluminum foil paper is pasted, and the use performance of the electronic product is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat dissipation aluminium foil possesses the advantage of heat dissipation function, has solved because aluminium foil paper does not have the radiating effect, can cause this department's radiating effect not good after pasting, influences the problem of electronic product's performance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat dissipation aluminium foil, includes the heat dissipation layer, the bottom on heat dissipation layer bonds there is the insulating layer, the bottom of insulating layer bonds there is the glass fiber layer, the bottom on glass fiber layer bonds there is from the type layer, the inside of insulating layer includes ventilative layer of graphite and heat-conducting layer, the bottom on ventilative layer of graphite bonds there is the heat-conducting layer.

Preferably, the heat dissipation layer is internally provided with honeycomb-shaped heat dissipation holes which are uniformly arranged on the surface of the heat dissipation layer, and the heat dissipation holes are arranged from top to bottom.

Preferably, the heat dissipation layer is made of graphite materials, air holes are formed in the surface of the graphite air-permeable layer, and the air holes are communicated with the surface of the heat conduction layer.

Preferably, the thickness of the heat dissipation layer is 12 μm, the thickness of the insulating layer is 15 μm, and the thickness of the release layer is 20 μm.

Preferably, the release layer adopts a PET film, the upper surface of the release layer is coated with release viscose, and the release viscose is bonded with the lower surface of the glass fiber layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an it can discharge the heat that electronic product produced through the heat dissipation layer when using to increase the heat dissipation layer at the upper surface of aluminium foil paper, and each rete of bottom all has heat dissipation and heat conduction effect, the heat dissipation layer adopts the graphite material to make, heat dispersion is better, the insulating layer can avoid aluminium foil paper to produce static simultaneously, electronic product's normal use has been ensured, increase graphite ventilation layer and heat-conducting layer in aluminium foil paper's inside, use through the cooperation of the heat dissipation layer with the top, the radiating effect is better, this aluminium foil paper adopts current technology to make, thickness is thinner, simultaneously solved because aluminium foil paper does not have the radiating effect, can cause this radiating effect of locating not good after pasting, influence electronic product's usability problem.

2. The utility model discloses an increase the bulk strength that the aluminium foil paper can be strengthened to the glass fiber layer in inside, can not produce fracture or warp when receiving great pulling force, and the bottom not only can glue aluminium foil paper from the type layer, can tear it fast when changing, can not appear remaining.

Drawings

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

FIG. 2 is a sectional view of the internal structure of the insulating layer of the present invention;

fig. 3 is a cross-sectional view of the heat dissipation layer of the present invention.

In the figure: 1. a heat dissipation layer; 2. an insulating layer; 201. a graphite gas-permeable layer; 202. a heat conductive layer; 3. a glass fiber layer; 4. and a release 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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a heat dissipation aluminum foil comprises a heat dissipation layer 1, wherein honeycomb heat dissipation holes are formed inside the heat dissipation layer 1 and are uniformly arranged on the surface of the heat dissipation layer 1, the heat dissipation holes are formed from top to bottom, the heat dissipation layer 1 is made of graphite material, the surface of a graphite air permeable layer 201 is provided with air holes, the air holes are communicated with the surface of a heat conduction layer 202, the thickness of the heat dissipation layer 1 is 12 μm, the thickness of an insulation layer 2 is 15 μm, the thickness of a release layer 4 is 20 μm, the insulation layer 2 is bonded at the bottom of the heat dissipation layer 1, a glass fiber layer 3 is bonded at the bottom of the insulation layer 2, the overall strength of the aluminum foil is enhanced by increasing the glass fiber layer 3 inside, the aluminum foil is not broken or deformed when being subjected to a large pulling force, the release layer 4 at the bottom can not only stick the aluminum foil, but can be torn off quickly during replacement, the release layer 4 is bonded at the bottom of the glass fiber layer 3, the release layer 4 is a PET film, the release adhesive is coated on the upper surface of the release layer 4, the release adhesive is bonded with the lower surface of the glass fiber layer 3, the insulating layer 2 is internally provided with a graphite breathable layer 201 and a heat conduction layer 202, the heat conduction layer 202 is bonded at the bottom of the graphite breathable layer 201, the heat dissipation layer 1 is additionally arranged on the upper surface of the aluminum foil paper and can discharge heat generated by an electronic product through the heat dissipation layer 1 when in use, each film layer at the bottom has heat dissipation and heat conduction effects, the heat dissipation layer 1 is made of graphite materials and has better heat dissipation performance, meanwhile, the insulating layer 2 can avoid the aluminum foil paper from generating static electricity, the normal use of the electronic product is ensured, the graphite breathable layer 201 and the heat conduction layer 202 are additionally arranged inside the aluminum foil paper and are matched with the heat dissipation layer 1 at the top for use, the heat dissipation effect is better, and the, the thickness is thinner, and the problems that the aluminum foil paper does not have a heat dissipation effect, the heat dissipation effect of the aluminum foil paper is poor after the aluminum foil paper is pasted, and the use performance of an electronic product is influenced are solved.

The standard parts used in this document are commercially available, all the components in this document are customized according to the description of the specification and the drawings, and the connection relationship and specific structure between the layers in this document are all performed by the prior art, such as by mechanical methods, by adhesives, by various welding methods such as thermal welding, ultrasonic welding, flux, welding, and fusion crimping, and no specific description is made here.

During the use, through increasing heat dissipation layer 1 at the upper surface of aluminium foil paper can discharge the heat that electronic product produced through heat dissipation layer 1 when using, and each rete of bottom all has heat dissipation and heat conduction effect, heat dissipation layer 1 adopts graphite material to make, heat dispersion is better, insulating layer 2 can avoid aluminium foil paper to produce static simultaneously, electronic product's normal use has been ensured, increase graphite gas permeable layer 201 and heat-conducting layer 202 in aluminium foil paper's inside, through using with the cooperation of heat dissipation layer 1 at top, the heat dissipation effect is better, can strengthen the bulk strength of aluminium foil paper through increasing glass fiber layer 3 in inside, can not produce fracture or deformation when receiving great pulling force, and the bottom from type layer 4 not only can stick aluminium foil paper, can tear it down fast when changing, can not appear remaining.

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. The utility model provides a heat dissipation aluminium foil, includes heat dissipation layer (1), its characterized in that: the heat dissipation layer is characterized in that an insulating layer (2) is bonded to the bottom of the heat dissipation layer (1), a glass fiber layer (3) is bonded to the bottom of the insulating layer (2), a release layer (4) is bonded to the bottom of the glass fiber layer (3), the insulating layer (2) comprises a graphite ventilation layer (201) and a heat conduction layer (202) in the inside, and the heat conduction layer (202) is bonded to the bottom of the graphite ventilation layer (201).

2. The heat-dissipating aluminum foil as set forth in claim 1, wherein: the heat dissipation layer (1) is internally provided with honeycomb-shaped heat dissipation holes which are uniformly arranged on the surface of the heat dissipation layer (1), and the heat dissipation holes are arranged from top to bottom.

3. The heat-dissipating aluminum foil as set forth in claim 1, wherein: the heat dissipation layer (1) is made of graphite materials, air holes are formed in the surface of the graphite air permeable layer (201), and the air holes are communicated with the surface of the heat conduction layer (202).

4. The heat-dissipating aluminum foil as set forth in claim 1, wherein: the thickness of the heat dissipation layer (1) is 12 microns, the thickness of the insulating layer (2) is 15 microns, and the thickness of the release layer (4) is 20 microns.

5. The heat-dissipating aluminum foil as set forth in claim 1, wherein: the release layer (4) adopts a PET film, the upper surface of the release layer (4) is coated with release viscose, and the release viscose is bonded with the lower surface of the glass fiber layer (3).