CN210419832U

CN210419832U - Graphene heat conduction and dissipation film

Info

Publication number: CN210419832U
Application number: CN201920876656.8U
Authority: CN
Inventors: 张涛
Original assignee: Jiangxi Yahua Electronic Material Co ltd
Current assignee: Jiangxi Yahua Electronic Material Co ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-04-28
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a graphene heat conduction and heat dissipation film, which comprises a graphene heat dissipation sheet, wherein heat conduction silicone grease is pasted on the bottom of the graphene heat dissipation sheet, release paper is arranged outside the heat conduction silicone grease, a graphene heat dissipation layer is pasted on the top of the graphene heat dissipation sheet through heat conduction silicone adhesive, a heat dissipation gap is reserved between two adjacent graphene heat dissipation layers, and heat dissipation fins are arranged on the top of each graphene heat dissipation layer; this graphite alkene heat conduction radiating film, convenient to use through the combined action in graphite alkene fin, heat conduction silicone grease, heat conduction silica gel, graphite alkene heat dissipation layer, radiating fin and heat dissipation space, has improved the radiating effect greatly, through graphite alkene heat dissipation layer and radiating fin's combined action, has improved the area of contact with the air, has improved the radiating efficiency.

Description

Graphene heat conduction and dissipation film

Technical Field

The utility model relates to a heat dissipation membrane technical field specifically is a graphite alkene heat conduction heat dissipation membrane.

Background

Graphene has very good thermal conductivity. The pure defect-free single-layer graphene has the thermal conductivity coefficient as high as 5300W/mK, is the carbon material with the highest thermal conductivity coefficient so far, and is higher than that of a single-wall carbon nanotube (3500W/mK) and a multi-wall carbon nanotube (3000W/mK). When it is used as carrier, its thermal conductivity can be up to 600W/mK. In addition, the ballistic thermal conductivity of graphene may shift the lower limit of the ballistic thermal conductivity of carbon nanotubes per unit circumference and length down.

At present, the graphene heat conduction and dissipation film is widely applied, but the traditional graphene heat conduction and dissipation film is only a simple plane plate and is adhered to a part needing heat dissipation, the contact area of the traditional graphene heat conduction and dissipation film with air is small, the heat dissipation effect is poor, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a graphite alkene heat conduction radiating film to traditional graphite alkene heat conduction radiating film that proposes in solving above-mentioned background is simple plane board only, pastes on the radiating part of needs, and is little with the area of contact of air, leads to the poor problem of radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a graphite alkene heat conduction radiating film, includes graphite alkene fin, heat conduction silicone grease has been pasted to the bottom of graphite alkene fin, the outside of heat conduction silicone grease is equipped with from type paper, graphite alkene fin's top has the graphite alkene heat dissipation layer through heat conduction silica gel pasting, two adjacent leave the heat dissipation space between the graphite alkene heat dissipation layer, graphite alkene heat dissipation layer's top all is equipped with radiating fin.

Preferably, at least five graphene heat dissipation layers are arranged at equal intervals.

Preferably, the length of the heat dissipation gap between two adjacent graphene heat dissipation layers is between five and eight centimeters.

Preferably, five heat dissipation fins are attached to the top of each graphene heat dissipation layer at least at equal intervals.

Preferably, the distance between two adjacent heat dissipation fins is between two and four centimeters.

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

1. the release paper is torn, and the graphene radiating fin is adhered to a part needing radiating through the heat-conducting silicone grease, so that the use is convenient;

2. the heat dissipation effect is greatly improved through the combined action of the graphene heat dissipation sheet, the heat conduction silicone grease, the heat conduction silica gel, the graphene heat dissipation layer, the heat dissipation fins and the heat dissipation gaps;

3. through the combined action of the graphene heat dissipation layer and the heat dissipation fins, the contact area with air is increased, and the heat dissipation efficiency is improved.

Drawings

Fig. 1 is a front view of the structure of the present invention.

In the figure: the heat dissipation structure comprises 1 graphene heat dissipation sheet, 2 heat conduction silicone grease, 3 release paper, 4 heat conduction silica gel, 5 graphene heat dissipation layers, 6 heat dissipation fins and 7 heat dissipation gaps.

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.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a graphite alkene heat conduction heat dissipation membrane, includes graphite alkene fin 1, heat conduction silicone grease 2 has been pasted to graphite alkene fin 1's bottom, heat conduction silicone grease 2's outside is equipped with from type paper 3, graphite alkene fin 1's top has pasted graphite alkene heat dissipation layer 5 through heat conduction silica gel 4, and is two adjacent leave heat dissipation space 7 between the graphite alkene heat dissipation layer 5, graphite alkene heat dissipation layer 5's top all is equipped with radiating fin 6.

Specifically, graphite alkene heat dissipation layer 5 equidistance at least is equipped with five, and a plurality of graphite alkene heat dissipation layers 5 are favorable to improving the radiating efficiency.

Specifically, the length of the heat dissipation gap 7 between two adjacent graphene heat dissipation layers 5 is between five and eight centimeters, and the length of the heat dissipation gap 7 can be set according to actual needs.

Specifically, every five radiating fins 6 have all been pasted to the equal equidistance at least in the top of graphite alkene heat dissipation layer 5, and a plurality of radiating fins 6 have further improved the area of contact with the air, have further improved the radiating efficiency.

Specifically, the distance between two adjacent heat dissipation fins 6 is two to four centimeters, so that a certain distance is left between two adjacent heat dissipation fins 6, which is beneficial to heat dissipation.

When the heat dissipation device is used, the release paper 3 is torn, the graphene heat dissipation sheet 1 is adhered to a part needing heat dissipation through the heat conduction silicone grease 2, and the use is convenient; the heat dissipation effect is greatly improved through the combined action of the graphene heat dissipation sheet 1, the heat conduction silicone grease 2, the heat conduction silicone 4, the graphene heat dissipation layer 5, the heat dissipation fins 6 and the heat dissipation gaps 7; through the combined action of the graphene heat dissipation layer 5 and the heat dissipation fins 6, the contact area with air is increased, and the heat dissipation efficiency is improved.

Therefore, the graphene heat conduction and heat dissipation film is convenient to use, greatly improves the heat dissipation effect through the combined action of the graphene heat dissipation sheet 1, the heat conduction silicone grease 2, the heat conduction silica gel 4, the graphene heat dissipation layer 5, the heat dissipation fins 6 and the heat dissipation gaps 7, improves the contact area with air through the combined action of the graphene heat dissipation layer 5 and the heat dissipation fins 6, and improves the heat dissipation efficiency.

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 graphite alkene heat conduction radiating film, includes graphite alkene fin (1), its characterized in that: heat conduction silicone grease (2) are pasted to the bottom of graphite alkene fin (1), the outside of heat conduction silicone grease (2) is equipped with from type paper (3), graphite alkene heat dissipation layer (5) are pasted through heat conduction silica gel (4) at the top of graphite alkene fin (1), and are two adjacent leave heat dissipation space (7) between graphite alkene heat dissipation layer (5), the top of graphite alkene heat dissipation layer (5) all is equipped with radiating fin (6).

2. The graphene heat conduction and dissipation film according to claim 1, wherein: the graphene heat dissipation layers (5) are at least five in equal distance.

3. The graphene heat conduction and dissipation film according to claim 2, wherein: the length of a heat dissipation gap (7) between two adjacent graphene heat dissipation layers (5) is between five and eight centimeters.

4. The graphene heat conduction and dissipation film according to claim 1, wherein: five radiating fins (6) are pasted on the top of each graphene radiating layer (5) at least at equal intervals.

5. The graphene heat conduction and dissipation film according to claim 4, wherein: the distance between two adjacent heat dissipation fins (6) is two to four centimeters.