CN214757570U

CN214757570U - Graphite flake with good heat conduction effect

Info

Publication number: CN214757570U
Application number: CN202120884380.5U
Authority: CN
Inventors: 韩栋
Original assignee: Hunan Peide New Material Co ltd
Current assignee: Hunan Peide New Material Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-16
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a graphite flake that heat conduction effect is good, include: the graphite flake main part, be connected with the fixed strip of being made by the heat conduction material that the model is XK-F50 between the monomer of graphite flake main part, and the monomer of graphite flake main part is the symmetry setting in the upper and lower both sides of fixed strip, first protection film, the monomer lower surface of first protection film is fixed the upper surface of graphite flake main part, and can not link to each other between the monomer of first protection film, the graphite lateral piece, the monomer of graphite lateral piece is fixed both sides around the monomer of graphite flake main part, and the vent has been seted up to the monomer inside equidistant of graphite lateral piece. This graphite flake that heat conduction effect is good, heat conductivility is good, can shift the produced heat of electronic equipment fast, and heat dispersion is good, prevents that graphite flake self heat is too high to can carry out better protection to the graphite flake main part, prevent that the mar from appearing in the graphite flake surface, prolong the life of graphite flake.

Description

Graphite flake with good heat conduction effect

Technical Field

The utility model relates to a graphite flake technical field specifically is a graphite flake that heat conduction effect is good.

Background

The graphite flake is mainly made of graphite, and because the graphite has good heat exchange performance and good heat dissipation effect, the graphite flake can be made into the graphite flake to be widely applied to electronic equipment as a heat dissipation device, so that the electronic equipment has better heat dissipation effect.

Chinese patent No. CN209625819U, publication No. 20191112, discloses a graphite sheet, comprising: silica gel protective film, graphite flake, PET original membrane; the graphite flake is fixed by the silica gel protective film through double-sided adhesive tape, and the distance between the edge of the graphite flake and the silica gel protective film is not less than 5 mm; the PET original film is fixed at the edge of the graphite sheet through double faced adhesive tape, and the part of the silica gel protective film which is not covered with the graphite sheet is completely covered; the graphite sheet is of a square structure, four through holes are formed in the graphite sheet, one through hole is formed in each corner, and the distance between the through holes is consistent; the upper surface of the graphite sheet is covered with a self-contained release film, and the shape of the self-contained release film is consistent with that of the graphite sheet. The utility model discloses a graphite flake uses the silica gel protection film as the substrate, fixes the graphite flake on the silica gel protection film through the double faced adhesive tape, uses the former membrane of PET to fix at the edge of graphite flake, solution heat dissipation, electrically conductive problem that can be better, the utility model discloses simple structure.

The prior art scheme among the above-mentioned has following defect, and the heat conductivity is relatively poor, and the temperature that leads to electronic equipment descends slower, and dispels the heat slower, is difficult to dispel the heat fast to the graphite flake main part to the graphite flake is the mar that easily appears in the use, and life is shorter, consequently, we provide a graphite flake that heat conduction effect is good, so that solve the problem that proposes in the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a graphite flake that heat conduction effect is good to solve the present graphite flake commonly used that above-mentioned background art provided when using, the heat conductivity is relatively poor, and the temperature that leads to electronic equipment descends slower, and dispels the heat slower, is difficult to dispel the heat fast to the graphite flake main part, and the graphite flake is easy the mar to appear in the use, problem that life is shorter.

In order to achieve the above object, the utility model provides a following technical scheme: a graphite flake having good thermal conductivity, comprising:

the graphite sheet comprises a graphite sheet main body, wherein fixing strips made of a heat conduction material with the model of XK-F50 are connected between monomers of the graphite sheet main body, the monomers of the graphite sheet main body are symmetrically arranged on the upper side and the lower side of the fixing strips, and a heat conduction layer made of ceramic powder is filled in the monomers of the graphite sheet main body;

the lower surfaces of the single bodies of the first protection film are fixed on the upper surface of the graphite sheet main body, the single bodies of the first protection film are not connected, and heat dissipation holes are formed in the heat conduction layer above the single bodies at equal intervals;

the graphite side plates are fixed on the front side and the rear side of the single body of the graphite sheet main body, and ventilation openings are formed in the single body of the graphite side plates at equal intervals;

the left and right sides of the single body of the graphite side piece and the left and right sides of the single body of the first protection film are located on the same plane, and the upper surfaces of the single bodies of the graphite side piece are fixed on the lower surfaces of the front and rear single bodies of the first protection film.

Preferably, a ventilation groove is formed between the single bodies of the fixing strip, and the front side and the rear side of each single body of the ventilation groove are matched with the ventilation openings formed in the surfaces of the graphite side plates.

Preferably, the second protective film is fixed to the lower surface of the graphite sheet main body at equal intervals, and the single units of the second protective film are symmetrically arranged with the first protective film fixed to the upper surface of the graphite sheet main body.

Preferably, a heat transfer sheet is integrally connected to left and right sides of the single body of the graphite sheet main body, and front and rear sides of the single body of the heat transfer sheet are tightly connected to the single body of the graphite side sheet.

Preferably, a heat absorbing sheet for absorbing heat is fixed to a left surface of the left single body of the heat transfer sheet, and a heat discharging sheet for discharging heat is fixed to a right surface of the right single body of the heat transfer sheet.

Compared with the prior art, the beneficial effects of the utility model are that: the graphite flake with good heat conduction effect has good heat conduction performance, can quickly transfer heat generated by electronic equipment, has good heat dissipation performance, prevents the heat of the graphite flake from being overhigh, can better protect the graphite flake main body, prevents scratches from appearing on the surface of the graphite flake, and prolongs the service life of the graphite flake;

1. when the heat-conducting device is used, the heat absorbing sheet is connected with the electronic heat-conducting device, and then the heat on the electronic device is conducted to the monomers of the graphite sheet main body, the heat-conducting layer and the graphite side sheet through the left side of the heat-conducting sheet, so that the heat of the monomers on the left side of the heat-conducting sheet is conducted in a multi-layer mode through the graphite sheet main body, the heat-conducting layer and the graphite side sheet, and a better heat-conducting effect can be achieved;

2. in the use process, as the heat of the electronic equipment is continuously increased, the self heat of the graphite sheet is increased, the self heat can be conducted to the fixing strip among the monomers of the main body of the graphite sheet, and the monomers of the graphite side sheet and the fixing strip can be replaced with the air circulating in the ventilation opening and the graphite side sheet to achieve a better heat dissipation effect;

3. and the monomer of first protection film and second protection film can carry out effectual protection to the surface of graphite flake main part when using for a long time to the device, prevents that the monomer of graphite flake main part from carrying out direct contact with electronic equipment, and a large amount of mar just can not appear in the monomer surface of graphite flake main part like this, has prolonged the life of the device.

Drawings

FIG. 1 is a front view of the cutting structure of the present invention;

FIG. 2 is a side view of the cutting structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of the overall structure of the present invention.

In the figure: 1. a graphite sheet main body; 2. a heat conductive layer; 3. a first protective film; 4. a second protective film; 5. a fixing strip; 6. a ventilation slot; 7. a heat transfer sheet; 8. a heat absorbing sheet; 9. a heat removal sheet; 10. a graphite side sheet; 11. a vent; 12. and (4) heat dissipation holes.

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. 1-4, the utility model provides a technical solution: a graphite flake having good thermal conductivity, comprising: the heat conducting sheet comprises a graphite sheet main body 1, a first protective film 3 and a graphite side sheet 10, wherein before use, a heat absorbing sheet 8 is firstly placed on the surface of a battery of electronic equipment, and then a heat discharging sheet 9 is connected with a back plate of the electronic equipment, so that heat generated on the battery of the electronic equipment can be absorbed by the heat absorbing sheet 8, at the moment, the heat absorbed by the heat absorbing sheet 8 can be transmitted to the insides of monomers of the graphite sheet main body 1 and the graphite side sheet 10 through a left monomer of a heat conducting sheet 7, and a heat conducting layer 2 made of ceramic powder is fixed inside the monomers of the graphite sheet main body 1, and the heat conducting layer can quickly absorb the heat of the left monomer of the heat conducting sheet 7 due to the good high heat property of ceramic;

referring to fig. 2, 3 and 4, as the temperature of the battery of the electronic device increases in use, the temperature of the cells of the graphite sheet main body 1 also increases, the cells of the graphite sheet main body 1 transfer their own heat to the interior of the cells of the fixing strip 5, then the heat of the fixing strip 5 is replaced with the air entering the ventilation groove 6 through the ventilation opening 11 to achieve the effect of temperature reduction, the displaced air is then exhausted from the interior of the device through the rear side cells of the vents 11, and the upper side of the first protective film 3 is provided with heat dissipation holes 12, so that the surface of the upper side of the graphite sheet main body 1 is directly contacted with the air, thus, the heat dissipation effect of the device can be improved, after a series of heat dissipation, the residual heat can be conducted to the interior of the heat dissipation sheet 9 through the right monomer of the heat transfer sheet 7, at this time, the heat inside the heat dissipation sheet 9 is transferred to the back plate of the electronic device for heat dissipation;

referring to fig. 1 to 4, in the using process, the monomers of the first protective film 3 and the second protective film 4 are respectively fixed on the upper and lower sides of the graphite sheet main body 1, so that the monomers of the graphite sheet main body 1 can be prevented from directly contacting with the electronic device, a large number of scratches on the surface of the monomers of the graphite sheet main body 1 are ensured, the graphite sheet main body 1 is effectively protected, and the service life of the graphite sheet main body 1 is prolonged.

Those not described in detail in this specification are within the skill of the art. The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a graphite flake that heat conduction effect is good which characterized in that: the method comprises the following steps:

the heat conduction plate comprises a graphite sheet main body (1), wherein fixing strips (5) made of heat conduction materials with the model number of XK-F50 are connected between monomers of the graphite sheet main body (1), the monomers of the graphite sheet main body (1) are symmetrically arranged on the upper side and the lower side of the fixing strips (5), and heat conduction layers (2) made of ceramic powder are filled in the monomers of the graphite sheet main body (1);

the lower surfaces of the single bodies of the first protection film (3) are fixed on the upper surface of the graphite sheet main body (1), the single bodies of the first protection film (3) are not connected, and heat dissipation holes (12) are formed in the heat conduction layer (2) at equal intervals above the single bodies;

the graphite side plates (10), the single bodies of the graphite side plates (10) are fixed on the front side and the rear side of the single body of the graphite sheet main body (1), and ventilation openings (11) are formed in the single bodies of the graphite side plates (10) at equal intervals;

the left and right sides of the single body of the graphite side piece (10) and the left and right sides of the single body of the first protection film (3) are positioned on the same plane, and the upper surface of the single body of the graphite side piece (10) is fixed on the lower surfaces of the front and rear single bodies of the first protection film (3).

2. A graphite sheet having a good thermal conductivity according to claim 1, wherein: ventilating grooves (6) are formed between the single bodies of the fixing strips (5), and the front side and the rear side of each single body of each ventilating groove (6) are matched with ventilating openings (11) formed in the surfaces of the graphite side plates (10).

3. A graphite sheet having a good thermal conductivity according to claim 2, wherein: the lower surface of the graphite flake main body (1) is equidistantly fixed with a second protective film (4), and the monomers of the second protective film (4) are symmetrically arranged with a first protective film (3) fixed on the upper surface of the graphite flake main body (1).

4. A graphite sheet having a good thermal conductivity according to claim 3, wherein: the heat transfer sheet (7) is integrally connected with the left side and the right side of the single body of the graphite sheet main body (1) and is connected between the single bodies of the first protective film (3) and the second protective film (4), and the front side and the rear side of the single body of the heat transfer sheet (7) are tightly connected with the single body of the graphite side sheet (10).

5. A graphite sheet having a good thermal conductivity according to claim 4, wherein: a heat absorbing sheet (8) for absorbing heat is fixed on the left surface of the left single body of the heat transfer sheet (7), and a heat discharging sheet (9) for discharging heat is fixed on the right surface of the right single body of the heat transfer sheet (7).