CN110167324A - Housing unit and preparation method thereof and electronic equipment - Google Patents
Housing unit and preparation method thereof and electronic equipment Download PDFInfo
- Publication number
- CN110167324A CN110167324A CN201910543646.7A CN201910543646A CN110167324A CN 110167324 A CN110167324 A CN 110167324A CN 201910543646 A CN201910543646 A CN 201910543646A CN 110167324 A CN110167324 A CN 110167324A
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- China
- Prior art keywords
- middle plate
- graphite
- graphite powder
- housing unit
- graphite linings
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20472—Sheet interfaces
- H05K7/20481—Sheet interfaces characterised by the material composition exhibiting specific thermal properties
Abstract
The embodiment of the present application provides a kind of housing unit and preparation method thereof and electronic equipment, housing unit includes center and graphite linings, center includes middle plate and frame, frame encloses set on middle plate and is connected to middle plate, graphite linings are formed by the surface that graphite powder is coated on middle plate, graphite powder is prepared by following manner: high temperature sintering PI film makes its graphitization, crushes to obtain graphite powder.Housing unit provided by the embodiments of the present application and preparation method thereof and electronic equipment, it is applied directly to due to graphite linings on the surface of middle plate, and it is directly coated by then passing through graphite powder and is formed, it is without the use of bonding agent, therefore heating conduction in a thickness direction significantly improves, so that graphite linings can not only carry out preferable soaking in the in-plane direction, while directly heat can also be distributed outward using the heating conduction of its thickness direction, and then reduce the fever phenomenon of electronic equipment.
Description
Technical field
This application involves electronic equipment dissipating heat technical fields, and in particular to a kind of housing unit and preparation method thereof and electricity
Sub- equipment.
Background technique
The power supply of electronic equipment or other electronic devices can generate a large amount of heat at work, bring electronic equipment
Bulk temperature increases, and when temperature sharply increases, there are spontaneous combustion risks.Present some electronic equipments all can after temperature raising
Take part to reduce the measure of power consumption, this causes the operational efficiency of electronic equipment to decline, electronic equipment is caused to become Caton automatically；
Hot situation is had when user holds electronic equipment simultaneously.
In the prior art, equipment component carries out heat conduction by pasting graphite flake in the electronic device, but graphite flake exists
There is preferable heat conducting effect, but heat conducting effect in the thickness direction thereof is bad, not can effectively solve in plane
The heating problem of electronic equipment.
Summary of the invention
The application's is designed to provide a kind of housing unit and preparation method thereof and electronic equipment, and electricity can be improved
The heat dissipation effect of sub- equipment.
In a first aspect, the embodiment of the present application provides a kind of preparation method of housing unit, comprising: center is provided, it is described
Center includes middle plate and frame, and the frame encloses set on the middle plate and is connected to the middle plate；By predetermined thickness in described
The surface of plate coats graphite powder, and the graphite powder is prepared by following manner: high temperature sintering PI film makes its graphitization, and crushing obtains
The graphite powder.
Second aspect, the embodiment of the present application provide a kind of housing unit, including center and graphite linings, and the center includes
Middle plate and frame, the frame enclose set on the middle plate and are connected to the middle plate, and the graphite linings are coated on institute by graphite powder
The surface for stating middle plate is formed, and the graphite powder is prepared by following manner: high temperature sintering PI film makes its graphitization, crushes described
Graphite powder.
The third aspect, the embodiment of the present application provide a kind of electronic equipment, including above-mentioned housing unit and fever member
Part, the heater element be set to the middle plate and with the thermally conductive connection of the graphite linings.
Housing unit provided by the embodiments of the present application and preparation method thereof and electronic equipment, since graphite linings directly coat
It on the surface of middle plate, and is directly coated by then passing through graphite powder and is formed, be without the use of bonding agent, therefore in thickness direction
On heating conduction significantly improve so that graphite linings can not only carry out preferable soaking in the in-plane direction, simultaneously also
The heating conduction that can use its thickness direction directly distributes heat outward, and then reduces the fever phenomenon of electronic equipment.
These aspects or other aspects of the application can more straightforward in the following description.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of housing unit provided by the embodiments of the present application；
Fig. 2 is the schematic diagram of the section structure of center in housing unit provided by the embodiments of the present application；
Fig. 3 be III in Fig. 2 at enlarged drawing；
Fig. 4 is the structural schematic diagram of plate in another kind provided by the embodiments of the present application；
Fig. 5 is the partial structural diagram of another housing unit provided by the embodiments of the present application；
Fig. 6 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 7 is in Fig. 6 along the sectional structure chart of AA line.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
With the fast development of electronic equipment (such as mobile terminal), the power consumption of electronic equipment is also gradually increased, therewith,
The heat that electronic equipment generates during the work time is also larger.By taking power supply as an example, existing graphite heat radiation fin is fixed by viscose glue
Mode be fixed on heater element and radiate.
Graphite flake is a kind of completely new heat conduction and heat radiation material, has unique crystal grain orientation, the both direction in plane
(X to and Y-direction) uniform heat conduction, laminar structured to be well adapted for any surface, shielding heat source disappears with improvement while component
Take the performance of electronic product.The heating conduction of both direction in its plane can achieve 150-1500W/m-K range.But stone
Ink sheet is usually bad in the heating conduction of thickness direction (Z-direction), when being especially applied in electronic equipment, in a thickness direction
It needs through paste adhesive on center, simultaneously because graphite flake itself is relatively thin, usual muti-piece graphite flake is whole after being mutually bonded
Using, and viscose glue has biggish thermal resistance, the use of viscose glue further reduces the Z-direction heating conduction of graphite flake heat dissipation.Example
Such as: graphite flake is attached on the power supply and euthermic chip in electronic equipment, and heating region and non-heating region are passed through graphite
Piece is thermally conductive, to prevent hot-spot.But this partial heat is unable to through-thickness conduction, scatters and disappears outward through shell.
Therefore, cooling fin in the embodiment of the present application and preparation method thereof, housing unit and electronics are inventors herein proposed
Equipment.Present embodiments are specifically described below in conjunction with attached drawing.
Refering to fig. 1, the present embodiment provides a kind of housing units 100, including center 30 and graphite linings 20, and wherein center 30 wraps
Frame 31 and middle plate 32 are included, the frame 31 is arranged along the edge of the middle plate 32 and connects the middle plate 32, wherein graphite linings
20 are set to the surface of middle plate 32.
Referring to Fig.2, middle plate 32 includes the first surface 321 and second surface 322 that mutually deviate from, wherein first surface 321
With second surface 322 can selective property all kinds of components of setting, component for example can be all types of heater elements,
Such as euthermic chip, power supply, display screen.
Referring to Fig. 1, in some embodiments, housing unit 100 can also include optional front housing 40 and
Rear cover 45, wherein front housing 40 is assemblied in the frame 31 of center 30 and is located at 321 side of first surface, and rear cover 45 is assemblied in center 30
Frame 31 and be located at 322 side of second surface.In some embodiments, first surface 321 can for be arranged display screen,
Middle display screen can be LCD screen, LED screen, OLED screen etc., be also possible to flexible screen or non-flexible screen.Second surface 322 is for setting
Set all types of components.
Referring to Figure 2 together and Fig. 3, specifically, graphite linings 20 are rough plane configuration, thickness be can be
0.017mm-5mm.Hexaplanar reticular structure is presented in graphite crystal more.In the application, graphite linings 20 pass through coating by graphite powder
Mode be formed in the first surface 321 and/or second surface 322 of middle plate 32.
In the present embodiment, graphite linings 20 are only arranged at first surface 321, i.e., before graphite linings 20 are set to the direction of middle plate 32
The surface of shell 40.It is understood that since 321 side of first surface is mainly used for that display screen, display screen and center 30 is arranged
Between there is certain gap, graphite linings 20 are set to first surface 321, will not additionally increase the thickness of electronic equipment.Simultaneously
Display screen side is usually the non-heating region of electronic equipment, and heat, which is oriented to this region, by graphite linings 20 to drop faster
The temperature of low heater element reaches preferable equal thermal effect.It should be appreciated that graphite linings 20 are set to second surface 322 and can
Capable, at this point, heater element can be directly arranged in the surface of graphite linings 20.Or it is set to first surface 321 and second simultaneously
Surface 322.
Wherein graphite powder is prepared by following manner: high temperature sintering PI film makes its graphitization, crushes to obtain the stone
Ink powder.Kapton (PI film) includes two class of polypyromelliticimide film and biphenyl polyimide film, film
The preparation method comprises the following steps: after polyamic acid solution casting film-forming, stretching, high temperature imidizate.Film is in yellow transparent, relative density
1.39~1.45, there are high temperature resistant outstanding, radiation hardness, resistant to chemical etching and electrical insulation capability, it can be in 250~280 DEG C of air
It is used for a long time.
By high temperature sintering PI film, make its graphitization.Such as handled in the following manner: by PI film biaxial tension
Afterwards, in retort under argon atmosphere, heat treatment DEG C is gradually warmed up from 400 DEG C to 800, in heat treatment process, every time t perseverance
Warm 1h, t are, for example, 2-3h；Then the high temperature by the sample after charing in hot pressing furnace from 2500 DEG C to 2800 DEG C is graphitized
Processing.
Directly crushed the PI film after graphitization to obtain graphite powder, wherein graphitization after PI film do not need into
The operations such as row calendering, but graphite powder directly is made by the modes such as being mechanically pulverized or grinding.It makes in this manner
Graphite powder powdered graphite its atomic arrangement for having already passed through high temperature sintering graphitization processing, therefore obtain due to graphite flake be also
Graphitization arrangement, grain diameter are less than 0.01mm, have the good heat conductive characteristic of graphite.
Graphite powder is formed in the surface of middle plate 32 by way of coating, avoid in this way graphite and middle plate 32 it
Between use viscose glue, graphite can be directly connected to middle plate 32, reduce and use viscose glue bring thermal resistance.Simultaneously as not needing to make
The thickness of housing unit 100 will not additionally be increased with the setting of viscose glue, therefore graphite linings 20, or in identical thickness space
Under, the thickness of graphite linings 20 can be set thicker, be conducive to carry out heat conduction.
There are many kinds of the modes of coating, such as: spraying and printing, wherein spraying can for example carry out in the following manner: work
Make gas and powder feeding gas is all made of N2, air pressure be 2.0MPa~3.0MPa, working gas temperature be 300 DEG C~
500 DEG C, spray distance is 10mm~30mm, and the spray gun speed of travel is 100mm/s~400mm/s.
Printing can carry out in the following manner: graphite powder being mixed in solvent, directly prints in the surface of middle plate 32, dries
After dry solvent both.In other some embodiments, graphite linings 20 can also be formed using modes such as roller coating.
The thickness of graphite linings 20 can be adjusted according to specific design requirement, such as can be set to 0.3-4mm, especially
It is conducive to the graphite linings 20 for preparing the larger thickness of 2.2-4mm.Since graphite linings 20 are by graphite powder structure in a thickness direction
At, no viscose glue exists, therefore thermal resistance is smaller, and thermal conduction effect in a thickness direction is more preferable.
Compared to by traditional approach by being sintered, rolling after graphite flake be affixed directly to the mode on middle plate 32, on
The housing unit 100 stated does not need to carry out calendering operation, saves production process.The more individual stone of thickness of graphite linings 20 simultaneously
Ink sheet is thicker (such as can achieve 2.2-4mm), and does not need the thermal resistance that thickness direction is reduced using viscose glue.
Refering to Fig. 4, in some embodiments, groove is arranged in the first surface 321 or second surface 322 of middle plate 32
323, the depth of groove 323 can be less than or equal to the preset thickness of graphite linings 20, when graphite linings 20 are arranged, by graphite linings 20
It is set in groove 323, can further reduce graphite linings 20 in this way and occupy the space of housing unit 100 in a thickness direction,
It is smaller more frivolous conducive to electronic equipment manufacturing is obtained.
When the depth of groove 323 is equal with the thickness of graphite linings 20, the surface of graphite linings 20 can be with first surface 321
Or second surface 322 is concordant, in this way can be more convenient when all types of components are arranged, at the same will not graphite linings 20 with
And step is formed between the surface of middle plate 32.
During coating graphite powder, since the bonding force between middle 32 surface of plate and graphite powder is smaller, to be formed
Relatively stable graphite linings 20, need biggish spray pressure and time.Therefore in some embodiments, refering to Fig. 5, shell
Body component 100 can also further include adhesive-layer 21, and adhesive-layer 21 is set between graphite linings 20 and the surface of middle plate 32, wherein gluing
The thickness of glue-line 21 is less than 0.1mm.Specifically, adhesive-layer 21 is set to the surface of middle plate 32 before coating graphite linings 20,
Then graphite powder is coated on adhesive-layer 21 form graphite linings 20.The advantages of this arrangement are as follows due in advance in middle plate 32
Surface forms adhesive-layer 21, and when coating graphite powder, bonding force is bigger, can preferably adsorb graphite powder.Although using at this time
Adhesive-layer 21, but the thickness very little of adhesive-layer 21, will not excessively influence the Z-direction heating conduction of graphite linings 20, while entire stone
Layer of ink 20 be by spraying etc. modes it is molding, accordingly it is also possible to reach without using viscose glue, the thicker stone of thickness can be formed
Layer of ink 20.
Such embodiment, it is viscous compared to what is directly by way of graphite flake is adhered to middle plate 32 by viscose glue, used
The thickness very little of glue-line 21, it is only necessary to smear very thin one layer, while one layer of viscose glue, phase being used only on whole thickness direction
Than the mode being successively bonded in traditional Multi-layer graphite piece, adhesive-layer thickness still can be reduced, reduces the thermal resistance of thickness direction.
In some embodiments it is possible to set more coarse coarse for first surface 321 or second surface 322
Plane when being coated in this way conducive to graphite powder, increases viscous between graphite linings 20 and first surface 321 or second surface 322
Relay.
The present embodiment also provides a kind of preparation method of above-mentioned housing unit 100, such as can carry out in the following manner:
S10: providing center 30, and the center 30 includes middle plate 32 and frame 31, and the frame 31 is enclosed set on the middle plate
32 and it is connected to the middle plate 32.
In some embodiments, in step S10, the surface of middle plate 32 can make substantially flat plane.Other
In some embodiments, in step S10, groove 323 can be formed on the surface of middle plate 32 in advance, for graphite linings to be arranged
20.The area of groove 323 can be greater than or equal to the cross-sectional area of graphite linings 20, also, the region that groove 323 opens up can portion
Divide or all cover first surface 321；Alternatively, partly or entirely covering second surface 322.
S20: graphite powder is coated in the surface of the middle plate 32 by predetermined thickness.
Predetermined thickness refers to the design thickness of graphite linings 20, according to the thickness space of housing unit 100 and can set
Meter demand is adjusted, such as is designed as 2.2-4mm.
The mode wherein coated is referred to foregoing teachings, and details are not described herein.The graphite powder is prepared by following manner:
High temperature sintering PI film makes its graphitization, and crushing obtains the graphite powder.Before the preparation method of specific graphite powder is referred to
Content is stated, details are not described herein.
In some embodiments, step S20 can be executed in the following manner:
Adhesive-layer 21 is formed in the surface of the middle plate 32, the thickness of adhesive-layer 21 is less than or equal to 0.1mm, by predetermined thickness
It spends and coats graphite powder in a manner of spraying in the surface of the adhesive-layer 21.Wherein the thickness of adhesive-layer 21 cannot be blocked up, otherwise
It will increase the thermal resistance of thickness direction.By the spraying graphite powder formation graphite linings 20 on adhesive-layer 21, graphite linings 20 can be increased
With the bonding strength of middle plate 32.Simultaneously: at the initial stage of spraying, graphite powder is sprayed at middle 32 surface of plate, due to there is adhesive-layer 21
Presence, graphite powder is easier to be attached to adhesive-layer 21, can increase the attachment probability of graphite powder, improve the efficiency of spraying.Phase
Than in directly to the surface spraying graphite powder of middle plate 32, attachment probability being increased, improved efficiency, while can also be dropped accordingly
Low spray pressure.
The housing unit 100 prepared using aforesaid way, since the surface of middle plate 32 forms graphite linings 20, and the stone
Layer of ink 20 is to be formed by direct spraying graphite powder, therefore it can have bigger thickness, and do not need using viscose glue,
The heating conduction of housing unit 100 in a thickness direction is more preferably.Thermally conductive equal thermal effect simultaneously in the in-plane direction is also more preferable.
Refering to Fig. 6, the present embodiment also provides a kind of electronic equipment 10, the above-mentioned housing unit 100 of electronic equipment 10 and
Heater element 50 and optionally display screen 60, wherein heater element 50 is set to the surface of the middle plate 32 of center 30.Fever member
Part 50 and the thermally conductive connection of graphite linings 20, it will be understood that thermally conductive connection refers to heater element 50 with graphite linings 20 by directly contacting
Or the mode of mediate contact connects, to realize that heat conducts.
Wherein, housing unit 100 further includes front housing 40 and rear cover 45, and front housing 40 and rear cover 45 are assemblied in center 30,
And the first surface 321 of middle plate 32 is towards front housing 40, second surface 322 is towards rear cover 45.Display screen 60 is assemblied in center 30 simultaneously
Positioned at the side of first surface 321, front housing 40 is arranged around display screen 60.In the present embodiment, graphite linings 20 are set to the first table
Face 321, heater element 50 are set to second surface 322.
Referring to Figure 6 together and Fig. 7, heater element 50 may include one or more first heating elements 51, one or more
A second heatiing element 52.First heating element 51 or second heatiing element 52 are, for example, power supply, are also possible to euthermic chip etc..
In the present embodiment, using power supply as first heating element 51, euthermic chip is that second heatiing element 52 is illustrated.Power supply and hair
Hot chip is all set in second surface 322 corresponding with graphite linings 20, graphite linings 20 can simultaneously with power supply and heat generating core
Piece is corresponding and conducts heat, and the heat that graphite linings 20 are conducted is equal between first heating element 51 and second heatiing element 52
Even dispersion, and heat is conducted towards 60 side of display screen, while graphite linings 20 and the surface of middle plate 32 fit, it will
In heat transfer to center 30.Such embodiment graphite linings 20 are in the gap between display screen 60 and middle plate 32, no
It will increase the thickness of second surface 322, would not also influence the setting of other components in electronic equipment 10, because without increasing
Add the thickness of housing unit 100 and electronic equipment 10.
In some embodiments, graphite linings 20 also can be set in second surface 322, at this time power supply and euthermic chip
It is directly arranged at the surface of graphite linings 20.Such embodiment, heater element 50 can be directly fitted with graphite linings 20, heat
Conduction efficiency is higher.
In some embodiments, groove 323 can be set in the surface of middle plate 32, and entire graphite linings 100 can be completely embedding
Enter in groove 323, the thickness of electronic equipment 10 entire in this way not will receive the influence of graphite linings 20.Simultaneously as graphite linings
In 20 insertion grooves 323, do not need on the one hand to save the thickness of the adhesive-layer formed using viscose glue, on the other hand using viscose glue
It not will form thermal resistance, first heating element 51 and second heatiing element 52 can directly be bonded conduction heat with graphite linings 100, mention
High heat transfer efficiency.And due to not needing using viscose glue, in installation fitting graphite linings 100 and first heating element 51 and second
It when heater element 52, does not need to apply graphite linings 100 excessive power, prevents graphite linings 100 from deforming.
When power work, the heat of generation is by carrying out soaking between graphite linings 100 and euthermic chip, while heat exists
During transmitting, since the Z-direction capacity of heat transmission of graphite linings 20 improves, heat can be quickly transferred on center 30, and direction
The side of the setting display screen 60 of center 30 is conducted, simultaneously because the thinner thickness of graphite linings 100, therefore nothing in center 30
More thickness space need to be reserved for setting graphite linings 20, electronic equipment 10 can be designed more frivolous.
Using the electronic equipment 10 of above-mentioned graphite linings 20, due to 20 thinner thickness of graphite linings, do not need additionally to increase electronics
The thickness of equipment 10, therefore without reserving biggish space on thickness inside center 30, electronic equipment 10 can be more frivolous.
Electronic equipment 10 in the application (for example, being based on iPhone TM, can be based on for mobile phone or smart phone
The phone of Android TM), portable gaming device (such as Nintendo DS TM, PlayStation Portable TM,
Gameboy Advance TM, iPhone TM), laptop computer, PDA, portable Internet appliance, music player and
Data storage device, other handheld devices and wrist-watch, earphone, pendant, earphone etc., electronic equipment 10 can also be other
Wearable device (for example, such as electronic glasses, electronics clothes, electronics bracelet, electronics necklace, electronics are tatooed, electronic equipment 10
Or the headset equipment (HMD) of smartwatch).
Electronic equipment 10 can also be any one of multiple electronic equipments 10, and multiple electronic equipments 10 include but unlimited
In cellular phone, smart phone, other wireless telecom equipments, personal digital assistant, audio player, other media players,
Music recorder, video recorder, camera, other medium recorders, radio, Medical Devices, vehicle transport instrument, calculator,
Programmable remote control, pager, laptop computer, desktop computer, printer, netbook computer, personal digital assistant
(PDA), portable media player (PMP), Motion Picture Experts Group's (MPEG-1 or MPEG-2) audio layer 3 (MP3) play
Device, portable medical device and digital camera and combinations thereof.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of preparation method of housing unit characterized by comprising
Center is provided, the center includes middle plate and frame, and the frame encloses set on the middle plate and is connected to the middle plate；
Graphite powder is coated in the surface of the middle plate by predetermined thickness, the graphite powder is prepared by following manner: high temperature sintering PI
Film makes its graphitization, and crushing obtains the graphite powder.
2. the method according to claim 1, wherein described coat stone in the surface of the middle plate by predetermined thickness
Before ink powder, further includes:
Adhesive-layer is formed in the surface of the middle plate, the thickness of adhesive-layer is less than or equal to 0.1mm；
It is described that graphite powder is coated in a manner of spraying in the surface of the middle plate by predetermined thickness, comprising:
Graphite powder is coated in the surface of the adhesive-layer by predetermined thickness.
3. the method according to claim 1, wherein described coat stone in the surface of the middle plate by predetermined thickness
Ink powder, comprising:
The graphite powder is coated on to the surface of the middle plate in a manner of spraying or print, and reaches predetermined thickness.
4. the method according to claim 1, wherein described coat stone in the surface of the middle plate by predetermined thickness
Before ink powder, further includes:
Groove is formed in the surface of the middle plate；
It is described to coat graphite powder in the surface of the middle plate by predetermined thickness, comprising:
Graphite powder is coated in the groove by predetermined thickness.
5. according to the method described in claim 4, it is characterized in that, the depth of the groove is equal with the predetermined thickness.
6. a kind of housing unit characterized by comprising
Center,；And
Graphite linings, the graphite linings are formed by the surface that graphite powder is coated on the middle plate, and the graphite powder is by following manner system
Standby: high temperature sintering PI film makes its graphitization, crushes to obtain the graphite powder.
7. housing unit according to claim 6, which is characterized in that the housing unit further includes front housing, the front housing
It is assemblied in the side of the center, the graphite linings are set to the surface towards the front housing of the middle plate.
8. housing unit according to claim 6, which is characterized in that the surface of the middle plate forms groove, the graphite
Layer is embedded in the groove.
9. housing unit according to claim 8, which is characterized in that the depth of the thickness of the graphite linings and the groove
It is equal.
10. a kind of electronic equipment characterized by comprising
The described in any item housing units of claim 7-9；And
Heater element, the heater element be set to the middle plate and with the thermally conductive connection of the graphite linings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910543646.7A CN110167324A (en) | 2019-06-21 | 2019-06-21 | Housing unit and preparation method thereof and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910543646.7A CN110167324A (en) | 2019-06-21 | 2019-06-21 | Housing unit and preparation method thereof and electronic equipment |
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| CN110167324A true CN110167324A (en) | 2019-08-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110740619A (en) * | 2019-10-15 | 2020-01-31 | Oppo（重庆）智能科技有限公司 | kinds of electronic equipment |
| CN110753480A (en) * | 2019-10-29 | 2020-02-04 | Oppo广东移动通信有限公司 | Heat radiating fin, preparation method thereof and electronic equipment |
| CN113923911A (en) * | 2021-10-15 | 2022-01-11 | Oppo广东移动通信有限公司 | Electronic device, shell and preparation method of shell |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100755014B1 (en) * | 2006-10-25 | 2007-09-06 | 실리콘밸리(주) | The manufacturing method of heat-conductive adhesive graphite sheet and graphite sheet |
| CN101635242A (en) * | 2008-07-21 | 2010-01-27 | 三星Sdi株式会社 | Plasma display panel |
| CN203032018U (en) * | 2012-08-29 | 2013-07-03 | 恒朗科技（天津）有限公司 | Adhesive film-free metal foil-graphite heat-conducting composite |
| CN104883859A (en) * | 2015-05-29 | 2015-09-02 | 联想(北京)有限公司 | Electronic device and housing |
| CN106604535A (en) * | 2016-12-22 | 2017-04-26 | 重庆云天化瀚恩新材料开发有限公司 | Thermal conductive non-plastic single-sided flexible copper clad laminate and the manufacturing method thereof |
| CN109890174A (en) * | 2018-12-14 | 2019-06-14 | 奇鋐科技股份有限公司 | Center radiator structure |
-
2019
- 2019-06-21 CN CN201910543646.7A patent/CN110167324A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100755014B1 (en) * | 2006-10-25 | 2007-09-06 | 실리콘밸리(주) | The manufacturing method of heat-conductive adhesive graphite sheet and graphite sheet |
| CN101635242A (en) * | 2008-07-21 | 2010-01-27 | 三星Sdi株式会社 | Plasma display panel |
| CN203032018U (en) * | 2012-08-29 | 2013-07-03 | 恒朗科技（天津）有限公司 | Adhesive film-free metal foil-graphite heat-conducting composite |
| CN104883859A (en) * | 2015-05-29 | 2015-09-02 | 联想(北京)有限公司 | Electronic device and housing |
| CN106604535A (en) * | 2016-12-22 | 2017-04-26 | 重庆云天化瀚恩新材料开发有限公司 | Thermal conductive non-plastic single-sided flexible copper clad laminate and the manufacturing method thereof |
| CN109890174A (en) * | 2018-12-14 | 2019-06-14 | 奇鋐科技股份有限公司 | Center radiator structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110740619A (en) * | 2019-10-15 | 2020-01-31 | Oppo（重庆）智能科技有限公司 | kinds of electronic equipment |
| CN110753480A (en) * | 2019-10-29 | 2020-02-04 | Oppo广东移动通信有限公司 | Heat radiating fin, preparation method thereof and electronic equipment |
| CN110753480B (en) * | 2019-10-29 | 2021-01-12 | Oppo广东移动通信有限公司 | Heat radiating fin, preparation method thereof and electronic equipment |
| CN113923911A (en) * | 2021-10-15 | 2022-01-11 | Oppo广东移动通信有限公司 | Electronic device, shell and preparation method of shell |
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Application publication date: 20190823 |