CN105828551A - Rear shell and mobile terminal - Google Patents
Rear shell and mobile terminal Download PDFInfo
- Publication number
- CN105828551A CN105828551A CN201610286904.4A CN201610286904A CN105828551A CN 105828551 A CN105828551 A CN 105828551A CN 201610286904 A CN201610286904 A CN 201610286904A CN 105828551 A CN105828551 A CN 105828551A
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- China
- Prior art keywords
- heat
- heat absorption
- back cover
- absorption heat
- accumulation part
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
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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
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
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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
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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
- H05K7/20518—Unevenly distributed heat load, e.g. different sectors at different temperatures, localised cooling, hot spots
Abstract
The invention discloses a rear shell, the rear shell includes a shell body and a heat absorption and heat storage part, the heat absorption and heat storage part is arranged on the shell body and includes a heat absorption and heat storage material having material properties of heat absorption and heat storage functions, and the heat absorption and heat storage material is used for absorbing heat on the shell body and stores the absorbed heat. The rear shell provided by the invention is provided with the heat absorption and heat storage part on the shell body, the heat absorption and heat storage part includes the heat absorption and heat storage material having heat absorption and heat storage functions, the heat absorption and heat storage material can absorb heat on the shell body and store the heat in itself, and when temperature of the shell body drops, the stored heat is emitted to air, thereby reducing heat of the shell body, enabling a circuit board and mobile terminal having the rear shell to have relatively good heat dissipation performance, improving use reliability of the device, and reducing influence of heat emission on the shell body and mobile terminal. The invention also provides a mobile terminal.
Description
Technical field
The present invention relates to a kind of electronic device field, particularly relate to a kind of back cover and mobile terminal.
Background technology
Development along with mobile phone industry, mobile phone configuration is more and more higher, central processing unit (CentralProcessingUnit/CPU) dominant frequency is more and more higher, power consumption is increasing, causes cell-phone heating amount to strain mutually greatly, if these heats do not reach control or transfer, the impact of two aspects will be brought: 1. chip for cell phone temperature is too high, causing mobile phone computing slack-off, even card, affects the use of mobile phone；2. chip for cell phone temperature transfer is to phone housing, causes skin temperature higher, there will be the problems such as hot, boiling hot ear during use.
For solving the heating problem of mobile phone, it is usually the most in the industry and heat radiation graphite flake is arranged on inner walls or mobile phone shielding lid, peripherally dispelled the heat by heat radiation graphite flake, play the effect of soaking and heat radiation, but inventor has found that when stating technical scheme on the implementation that arranging of heat radiation graphite flake is bigger by the limitation of position, cannot be carried out directly dispelling the heat to the position that caloric value is bigger, and the graphite flake that dispels the heat is instant heat radiation, now mobile phone bulk temperature may be higher, its instant heat radiation can cause the temperature of the shell of mobile phone higher, so that the heat of mobile phone cannot preferably distribute.
Summary of the invention
It is an object of the invention to provide a kind of back cover that can reduce heating impact and mobile terminal.
In order to solve above-mentioned technical problem, the invention provides a kind of back cover, described back cover is for being arranged between the front shell assemblies of mobile terminal and bonnet, and between described back cover and described front shell assemblies, form the accommodation space for housing components and parts and battery, described back cover includes body and heat absorption heat accumulation part, described heat absorption heat accumulation part is arranged on described body, described heat absorption heat accumulation part includes the heat absorption heat accumulating with the material properties of heat absorption and heat storage function, described heat absorption heat accumulating is for absorbing the heat on described body, and the heat of absorption is stored by described heat absorption heat accumulating.
Wherein, described body has first area and second area, described first area is used for arranging components and parts, described first area arranges two avoiding hollow grooves, said two avoiding hollow groove is respectively used to arrange the first deck and the second deck, described first deck is used for housing SIM, and described second deck is used for housing storage card, and described second area is used for arranging battery.
Wherein, said two avoiding hollow groove connection.
Wherein, described heat absorption heat accumulating includes that silicon dioxide and Polyethylene Glycol, the mass ratio of described silicon dioxide and Polyethylene Glycol are 1:1～1:9.
Wherein, described heat absorption heat accumulating is made up of some microcapsules with described silicon dioxide as cyst wall, with described Polyethylene Glycol as capsule-core.
Wherein, described heat absorption heat accumulation part also includes titanate coupling agent and glue-line, described heat absorption heat accumulating and described titanate coupling agent are mixed and made into flaky material, and described glue-line stacking is covered on described flaky material, and described flaky material is adhered on described body by described glue-line.
Wherein, described heat absorption heat accumulation part also includes retarder thinner and bonding solution, and described heat absorption heat accumulating, described retarder thinner and described bonding solution mix and coats on described body.
Wherein, described heat absorption heat accumulation part also includes substrate and glue-line, described heat absorption heat accumulating is coated in described substrate, and described glue-line stacking is covered on described heat absorption heat accumulating, and the substrate being coated with described heat absorption heat accumulating is adhered on described body by described glue-line.
Wherein in, described back cover also includes that protecting film, described protecting film are arranged on described heat absorption heat accumulation part, and described protecting film is located remotely from the side of described body.
Wherein, described back cover also includes inhalingAdnexa, described suctionAdnexaIncluding the joint face being oppositely arranged and adsorption plane, described heat absorption heat accumulation part is arranged at described suctionAdnexaOn, described adsorption plane is adsorbed on described body.
Wherein, described adsorption plane offers multiple adsorption hole, described suctionAdnexaIt is adsorbed on described body by the plurality of adsorption hole.
Wherein, described back cover offers multiple adsorption hole, and described adsorption plane is squeezed in the plurality of adsorption hole, so that described suctionAdnexaIt is adsorbed on described body.
The embodiment of the present invention additionally provides a kind of mobile terminal, including back cover.
The back cover that the present invention provides is by arranging heat absorption heat accumulation part on body, heat absorption heat accumulation part includes that the heat on body can be absorbed by the heat absorption heat accumulating with heat absorption and heat storage function, and by heat storage at self, after the temperature of body lowers, the heat of storage is dispersed in air, thus reduce the heat of body, so that there is the circuit board of this back cover and mobile terminal has preferably heat dispersion, the reliability that raising equipment uses, decreases heating to body and the impact of mobile terminal.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, below by use required in embodimentAccompanying drawingIt is briefly described, it should be apparent that, in describing belowAccompanying drawingIt is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to theseAccompanying drawingObtain otherAccompanying drawing。
Fig. 1It it is the signal of a kind of back cover that the embodiment of the present invention one providesFigure；
Fig. 1 aIt isFig. 1The section of shown back coverFigure；
Fig. 2It it is the section of a kind of back cover that the embodiment of the present invention two providesFigure；
Fig. 3It it is the section of a kind of back cover that the embodiment of the present invention three providesFigure；
Fig. 4It it is the signal of a kind of mobile terminal that the embodiment of the present invention four providesFigure。
Detailed description of the invention
Below in conjunction with in embodiment of the present inventionAccompanying drawing, the technical scheme in embodiment of the present invention is clearly and completely described.
The mobile terminal that the present embodiments relate to can be any possess communication and the equipment of storage function, such as: panel computer, mobile phone, electronic reader, remote controller, personal computer (PersonalComputer, PC), notebook computer, mobile unit, Web TV, wearable device etc. have the smart machine of network function.
Please also refer toFig. 1WithFig. 1 a,Fig. 1Structural representation for a kind of back cover 100 that the embodiment of the present invention one providesFigureBack cover 100 includes body 1 and heat absorption heat accumulation part 2, heat absorption heat accumulation part 2 is arranged on body 1, heat absorption heat accumulation part 2 includes the heat absorption heat accumulating with the material properties of heat absorption and heat storage function, heat absorption heat accumulating is for absorbing the heat on body 1, and the heat of absorption is stored by the heat accumulating that absorbs heat.
In the present embodiment, back cover 100 is for being arranged between the front shell assemblies of mobile terminal and bonnet, and between back cover 100 and front shell assemblies, form the accommodation space for housing components and parts and battery, i.e. when mobile terminal opens bonnet, battery is covered by back cover 100, battery will not be immediately seen, but be immediately seen back cover 100.The material of back cover 100 can be plastics.
May be appreciated, body 1 is tabular, body 1 has first area D1 and second area D2, first area D1 is used for arranging components and parts, first area D1 arranges two avoiding hollow grooves 13, and two avoiding hollow grooves 13 are respectively used to arrange the first deck and the second deck, and the first deck is used for housing SIM, second deck is used for housing storage card, and second area D2 is used for arranging battery.Concrete, body 1 have a pair be oppositely arranged long limit L, towards mobile terminal circuit board the first face 11 and with the first face 11 back to the second face 12, body 1 sets gradually first area D1 and second area D2 along the bearing of trend of long limit L, the first area D1 in the first face 11 is mainly used in against various components and parts, the second area D2 in the first face 11 is for against battery, by the components and parts of body 1 are carried out above-mentioned laying, optimize the structure of body 1 further.Wherein, on the D1 of first area according to the relation relative set between components and parts emptiness avoiding hole, to optimize the layout of components and parts.The body 1 being positioned at right side of the first area D1 of body 1 is emptied process and is formed the avoiding hollow groove 13 of two connections, so that the first deck and the second deck can be exposed, facilitate user to change and be placed in SIM therein or storage card, and, two avoiding hollow grooves 13 are connected, the setting making the first deck and the second deck can more be concentrated, and optimizes the structure of body 1 further.Certainly, in other embodiments, according to the layout needs of actual components and parts, two avoiding hollow grooves 13 can also set up the both sides of body 1 separately, does not connects between i.e. two avoiding hollow grooves 13.
It should be understood that for the heat dispersion strengthening back cover 100 further, multiple louvre can be offered on body 1, to accelerate distributing of heat on body 1.
It should be understood that owing to second area D2 is resisted against on battery, its heat is more big, therefore heat absorption heat accumulation part 2 is arranged at the second area D2 in the second face 12.Certainly, in other embodiments, heat absorption heat accumulation part 2 can also be arranged on the outer surface of whole body 1 or be arranged at first area D1.
It should be understood that can continue to arrange thermal insulation barriers (not on body 1Diagram), it is delivered on the bonnet that is connected with back cover 100 with trap heat, reduces the temperature of bonnet.Concrete, thermal insulation barriers is that the relatively low material of heat conductivity is made, and thermal insulation barriers stacking is arranged on heat absorption heat accumulation part 2, and the size of thermal insulation barriers can match with the size of body 1, it is also possible to match with the size of heat absorption heat accumulation part 2.
In the present embodiment, heat absorption heat accumulating can be a kind of phase-change material, it can change physical property and can absorb substantial amounts of heat along with variations in temperature, increase along with the heat absorbed, heat absorption heat accumulating gradates as another kind of phase mutually from one, can stably remain another kind of after absorbing sufficient heat mutually and no longer to absorb heat, and when not having thermal source or heat relatively low on body 1, heat absorption heat accumulating carries out dispelling the heat and gradually along with reducing of heat is gradually reverted to original phase mutually by another kind.Wherein, heat absorption heat accumulating can change to liquid phase or liquid phase to solid phase from solid phase along with the change of temperature, or solid phase changes to solid phase to gas phase or liquid phase, or liquid phase to gas phase or gas phase to liquid phase.
May be appreciated, the shape of heat absorption heat accumulation part 2 and the mating shapes of the second area D2 of body 1, when the heat of body 1 reaches uniform temperature, the heat on body 1 is absorbed heat and heat accumulation by the heat absorption heat accumulating in heat absorption heat accumulation part 2, lowers the temperature body 1.
The back cover 100 that the present invention provides is by arranging heat absorption heat accumulation part 2 on body 1, heat absorption heat accumulation part 2 includes that the heat on body 1 can be absorbed by the heat absorption heat accumulating with heat absorption and heat storage function, and by heat storage at self, after the temperature of body 1 lowers, the heat of storage is slowly dispersed in air, thus reduces the heat of body 1, so that there is this back cover 100 there is preferably heat dispersion, the reliability that raising equipment uses, decreases the heating impact on body 1.
In order to further improve, heat absorption heat accumulating preferably comprises the silicon dioxide and Polyethylene Glycol that mass ratio is 1:1～1:9.Inventor is drawn by substantial amounts of experiment, by silicon dioxide and Polyethylene Glycol, with mass ratio as 1:1～the organic-composite phase-change material that can prepare of 1:9 mixing has suitable phase transition temperature, the heat of body 11 can be absorbed in time, improve the reliability of back cover 100 further.Concrete, the phase transition temperature that this heat absorption heat accumulating is mixed to prepare is 40 degree, and after the heat i.e. produced at body 1 reaches 40 degree, heat absorption heat accumulating carries out decalescence, is taken away by the heat of body 1, to lower the temperature body 1.Certainly, in other embodiments, heat absorption heat accumulating can also be inorganic phase-changing material, or composite phase-change material etc..
In order to further improve, heat absorption heat accumulating is made up of some microcapsules with silicon dioxide as cyst wall, with Polyethylene Glycol as capsule-core.The heat absorption heat accumulating of this microcapsule structure preferably can carry out the heat accumulation that absorbs heat to body 1, and then reaches preferably heat dispersion.Concrete, Polyethylene Glycol is joined in certain density Ludox, after all dissolving, drip CaCl2Accelerator solution, under strong stirring so that Polyethylene Glycol occurs sol gel reaction in Ludox, forms three-dimensional net structure gel after standing；By gel forced air drying 24～48h in 80 DEG C of baking ovens, it is cooled to room temperature, a large amount of microcapsules with silica dioxide gel as cyst wall, with the Polyethylene Glycol after emulsifying as capsule-core produced in the basic conditions with organo-siloxane compound can be accessed.I.e. in each microcapsule, silicon dioxide wraps the Polyethylene Glycol as capsule-core as cyst wall so that Polyethylene Glycol will not leak during solid-liquid, it is possible to is well lived by Silica-coated.The heat absorption heat accumulating of this formation microcapsule structure is after the heat of body 1 reaches 40 degree, start to absorb the heat on body 1, and capsule-core itself is gradually increased gradually from solid-liquid along with heat, after capsule-core is converted to liquid phase, the heat that heat absorption heat accumulating absorbs is the most saturated, it stops absorbing heat, and after the temperature of body 1 is gradually decrease to preset temperature, capsule-core gradually can be converted to solid phase from liquid phase, by the heat of absorption, (phase transition process being transformed from the solidified state into liquid at capsule-core due to heat absorption heat accumulating can take away a part of latent heat to capsule-core simultaneously, so time capsule-core in heat the least) gradually come out, it is delivered in air, this moment, changed by the circulation of above-mentioned solid phase to liquid phase, thus body 1 is lowered the temperature, improve heat dispersion and the reliability of back cover 100.Certainly, in other embodiments, heat absorption heat accumulating can also be other structure so that body 1 can be lowered the temperature by heat absorption heat accumulating by changing from the circulation being solid to gas phase.
As shown in Figure 1a, in order to further improve, heat absorption heat accumulation part 2 also includes that titanate coupling agent and glue-line 22, heat absorption heat accumulating and titanate coupling agent are mixed and made into flaky material 21, glue-line 22 stacking is covered on flaky material 21, and flaky material 21 is adhered on body 1 by glue-line 22.
By heat absorption heat accumulating and titanate coupling agent are mixed and made into flaky material 21, it is connected on flaky material 21 form heat absorption heat accumulation part 2 by glue-line 22 stacking again, not only make heat absorption heat accumulation part 2 can go to cut according to the shape of body 1, and then preferably can coordinate with having of body 1, each position of body 1 can be carried out the heat accumulation that absorbs heat, further body 1 is lowered the temperature, improve heat dispersion and the reliability of body 1, and the heat absorption heat accumulation part 2 of lamellar is applied more convenient, directly it is stained with, is cooled into coating without waiting for it.
In the present embodiment, heat absorption heat accumulating is smashed to pieces and strong stirring obtains powder, owing to the diameter of powder body is far longer than the diameter of each microcapsule, thus without the microcapsule structure destroyed in heat absorption heat accumulating, i.e. do not interfere with the heat absorption heat storage function of heat absorption heat accumulating, heat absorption heat accumulating in powder adds titanate coupling agent hydrophobically modified and obtains inorganic plan organic composite shaping phase-change material, again this inorganic plan organic composite shaping phase-change material is prepared flake i.e. flaky material 21 through tabletting machine, flaky material 21 stacking again connects upper glue layer 22 and forms heat absorption heat accumulation part 2.It should be understood that glue-line 22 can be gum, double faced adhesive tape or mould release membrance etc..Heat absorption heat accumulation part 2 can be cut into definite shape according to the shape of body 1, is fitted on body 1, it is achieved the function of heat absorption heat accumulation.
In order to further improve, back cover 100 also includes that protecting film 3, protecting film 3 are arranged on heat absorption heat accumulation part 2, and protecting film 3 is located remotely from the side of body 11.
By arranging protecting film 3 on heat absorption heat accumulation part 2, so that heat absorption heat accumulation part 2 to be protected further, improve the reliability of back cover 100 further.
In the present embodiment, protecting film 3 is polyethylene terephthalate (PET), and its stacking is covered on flaky material 21, and opposing with glue-line 22, and flaky material 21 can be shaped and have dust-proof effect by protecting film 3 further.Certainly, in other embodiments, the material of protecting film 3 can also be other, such as silica gel.
In order to further improve, back cover 100 also includes inhalingAdnexa4, inhaleAdnexa4 include that joint face 41 and the adsorption plane 42 being oppositely arranged, heat absorption heat accumulation part 2 are arranged at suctionAdnexaOn 4, adsorption plane 42 is adsorbed on body 1.
By inhalingAdnexa4 are arranged on heat absorption heat accumulation part 2, it is possible to be directly adsorbed on body 1 by heat absorption heat accumulation part 2, it is simple to heat absorption heat accumulation part 2 and the dismounting of body 1.
In the present embodiment, adsorption plane 42 offers multiple adsorption hole 42a, and adsorption plane 42 is squeezed in multiple adsorption hole 42a, so that inhalingAdnexa4 are adsorbed on body 1.Concrete, inhaleAdnexa4 is cushion, and adsorption plane 42 array offers the adsorption hole 42a of multiple semicircle, and heat absorption heat accumulation part 2 is adhered to inhale by the glue-line 22 of selfAdnexaOn the joint face 41 of 4, then will inhaleAdnexaAdsorption plane 42 pressure of 4 is located on second area D2, is emptied by the air in multiple adsorption hole 42a, makes suctionAdnexa4 can be adsorbed on second area D2 by multiple adsorption hole 42a.When the heat accumulation part 2 that absorbs heat needs dismounting, power only need to be made slightly to be taken off by heat absorption heat accumulation part 2, heat absorption heat accumulation part 2 will not be damaged so that heat absorption heat accumulation part 2 shell repeatedly uses, and improves the reliability of back cover 100.Certainly, in other embodiments, back cover can also offer the adsorption hole of multiple semicircle arranged in arrays, and does smooth design, to strengthen body and suction at the periphery of adsorption holeAdnexaAbsorption affinity, adsorption plane is squeezed in multiple adsorption hole so that inhaleAdnexaVac sorb is on body.Concrete, adsorption plane is plane, is extruded by multiple adsorption holes of adsorption plane correspondence body, is discharged by the air of the adsorption hole on body, to realize heat absorption heat accumulation part and the absorption of body.
Such as Fig. 2Shown in, a kind of back cover 200 that the second embodiment of the present invention is provided, roughly the same with the basic structure of the back cover 100 that first embodiment of the invention provides, its difference is, heat absorption heat accumulation part 52 in the present embodiment includes that absorb heat heat accumulating, retarder thinner and bonding solution, heat absorption heat accumulating, retarder thinner and bonding solution mix and coats on body 51.
By retarder thinner, bonding solution are mixed to form heat absorption heat accumulation part 52 with heat absorption heat accumulating, heat absorption heat accumulation part 52 is made directly to have adhesive force, can coat on body 51 without still further increasing glue-line 22, thus provide a kind of use advantageously heat absorption heat accumulation part 52.
In the present embodiment, heat absorption heat accumulating is smashed to pieces and strong stirring obtains powder, owing to the diameter of powder body is far longer than the diameter of each microcapsule, thus without the microcapsule structure destroyed in heat absorption heat accumulating, i.e. do not interfere with the heat absorption heat storage function of heat absorption heat accumulating, heat absorption heat accumulating in powder is added to retarder thinner and adds the mixing of special binder solution (such as: methanol dimethylbenzene, acrylic resin etc.), heat absorption heat accumulation part 52 is made to have adhesive force, directly use the form of coating to be piled into certain thickness heat absorption heat accumulation part 52 to be attached on body 51, thus realize the function of heat absorption heat accumulation.
In order to further improve, back cover 500 also includes that protecting film 53, protecting film 53 are arranged on heat absorption heat accumulation part 52, and protecting film 53 is located remotely from the side of body 511.
By arranging protecting film 53 on heat absorption heat accumulation part 52, so that heat absorption heat accumulation part 52 to be protected further, improve the reliability of back cover 500 further.
In the present embodiment, protecting film 53 is polyethylene terephthalate (PET).Wherein, after heat absorption heat accumulation part 52 is directly coated on body 51, protecting film 53 is arranged on heat absorption heat accumulation part 52.Heat absorption heat accumulation part 52 can be shaped and have dust-proof effect by protecting film 53 further.Certainly, in other embodiments, the material of protecting film 53 can also be other, such as silica gel.
In order to further improve, back cover 500 also includes inhalingAdnexa54, inhaleAdnexa54 include that joint face 541 and the adsorption plane 542 being oppositely arranged, heat absorption heat accumulation part 52 are arranged at suctionAdnexaOn 54, adsorption plane 542 is adsorbed on body 51.
By inhalingAdnexa54 are arranged on heat absorption heat accumulation part 52, it is possible to be directly adsorbed on body 51 by heat absorption heat accumulation part 52, it is simple to heat absorption heat accumulation part 52 and the dismounting of body 51.
In the present embodiment, adsorption plane 542 offers multiple adsorption hole 542a, and adsorption plane 542 is squeezed in multiple adsorption hole 542a, so that inhalingAdnexa54 are adsorbed on body 51.Concrete, inhaleAdnexa54 is cushion, and adsorption plane 542 array offers the adsorption hole 542a of multiple semicircle, and heat absorption heat accumulation part 52 is directly coated at suction by the adhesive force of selfAdnexaOn the joint face 541 of 54, then will inhaleAdnexaAdsorption plane 542 pressure of 54 is located on body 41, is emptied by the air in multiple adsorption hole 542a, makes suctionAdnexa54 can be adsorbed on body 51 by multiple adsorption hole 542a.When the heat accumulation part 52 that absorbs heat needs dismounting, power only need to be made slightly to be taken off by heat absorption heat accumulation part 52, heat absorption heat accumulation part 52 will not be damaged so that heat absorption heat accumulation part 52 shell repeatedly uses, and improves the reliability of back cover 500.Certainly, in other embodiments, back cover can also offer the adsorption hole of multiple semicircle arranged in arrays, and does smooth design, to strengthen body and suction at the periphery of adsorption holeAdnexaAbsorption affinity, adsorption plane is squeezed in multiple adsorption hole so that inhaleAdnexaVac sorb is on body.Concrete, adsorption plane is plane, is extruded by multiple adsorption holes of adsorption plane correspondence body, is discharged by the air of the adsorption hole on body, to realize heat absorption heat accumulation part and the absorption of body.
Such as Fig. 3Shown in, the third embodiment of the present invention is provided a kind of back cover 300, roughly the same with the basic structure of the back cover 100 that first embodiment of the invention provides, its difference is, heat absorption heat accumulation part 62 in the present embodiment includes absorb heat heat accumulating 621, substrate 623 and glue-line 622, heat absorption heat accumulating 621 is coated in substrate 623, and glue-line 622 stacking is connected to absorb heat on heat accumulating 621, and glue-line 622 is adhered on body 61.
By directly heat absorption heat accumulating 621 being coated molding in substrate 623, then at heat absorption heat accumulating 621, glue-line 622 is set to be pasted on body 61, it is not necessary to tablet machine carries out tabletting, makes relatively simple.
In the present embodiment, refer to Fig. 3, substrate 623 is polyethylene terephthalate (PET), heat absorption heat accumulating 621 is smashed to pieces and strong stirring obtains powder, owing to the diameter of powder body is far longer than the diameter of microcapsule, thus without the microcapsule structure destroyed in heat absorption heat accumulating 621, i.e. do not interfere with the heat absorption heat storage function of heat absorption heat accumulating 621, the heat absorption heat accumulating 621 of powder is directly coated at molding in substrate 623, the substrate 623 with heat absorption heat accumulating 621 is adhered on body 61 by glue-line 622, realize the heat absorption heat storage function of heat absorption heat accumulation part 62.It should be understood that glue-line 622 can be gum, double faced adhesive tape or other etc..
In order to further improve, back cover 300 also includes that protecting film 63, protecting film 63 are arranged on heat absorption heat accumulation part 62, and away from body 61.
By arranging protecting film 63 on heat absorption heat accumulation part 62, so that heat absorption heat accumulation part 62 to be protected further, improve the reliability of back cover 300 further.
In the present embodiment, protecting film 63 is polyethylene terephthalate (PET).Protecting film 63 is arranged in substrate 623.Heat absorption heat accumulation part 62 can be shaped and have dust-proof effect by protecting film 63 further.Certainly, in other embodiments, the material of protecting film 63 can also be other, such as silica gel.
In order to further improve, back cover 300 also includes inhalingAdnexa64, inhaleAdnexa64 include that joint face 641 and the adsorption plane 642 being oppositely arranged, heat absorption heat accumulation part 62 are arranged at suctionAdnexaOn 64, adsorption plane 642 is adsorbed on body 61.
By inhalingAdnexa64 are arranged on heat absorption heat accumulation part 62, it is possible to directly will inhaleAdnexa64 are adsorbed on body 61, it is simple to heat absorption heat accumulation part 62 and the dismounting of body 61.
In the present embodiment, adsorption plane 642 offers multiple adsorption hole 642a, and adsorption plane 642 is squeezed in multiple adsorption hole 642a, so that inhalingAdnexa64 are adsorbed on body 61.Concrete, inhaleAdnexa64 is cushion, and adsorption plane 642 array offers multiple adsorption hole 642a, and heat absorption heat accumulation part 62 is adhered to inhale by the glue-line 622 of selfAdnexaOn the joint face 641 of 64, then will inhaleAdnexaAdsorption plane 642 pressure of 64 is located on body 61, is emptied by the air in multiple adsorption hole 642a, makes suctionAdnexa64 can be adsorbed on body 61 by the adsorption hole 642a of multiple semicircles.When the heat accumulation part 62 that absorbs heat needs dismounting, power only need to be made slightly to be taken off by heat absorption heat accumulation part 62, heat absorption heat accumulation part 62 will not be damaged so that heat absorption heat accumulation part 62 repeatedly uses, and improves the reliability of back cover 300.Certainly, in other embodiments, back cover can also offer the adsorption hole of multiple semicircle arranged in arrays, and does smooth design, to strengthen body and suction at the periphery of adsorption holeAdnexaAbsorption affinity, adsorption plane is squeezed in multiple adsorption hole so that inhaleAdnexaVac sorb is on body.Concrete, adsorption plane is plane, is extruded by multiple adsorption holes of adsorption plane correspondence body, is discharged by the air of the adsorption hole on body, to realize heat absorption heat accumulation part and the absorption of body.
Refer toFig. 4, for the signal of the mobile terminal 400 that fifth embodiment of the invention providesFigureThis mobile terminal 400 includes any one in the back cover 100,200,300 in as above three embodiments, back cover 100,200,300 is between front shell assemblies and the bonnet being arranged at mobile terminal 400, and forms the accommodation space for housing components and parts and battery between back cover 100,200,300 and front shell assemblies.
When mobile terminal during fabrication, first heat absorption heat accumulation part is set at body, is then connected to thermal insulation barriers stacking absorb heat on heat accumulation part, finally by other parts assembling of back cover with mobile terminal.Wherein, form the heat absorption heat accumulating of microcapsule structure after the heat of body reaches 40 degree, start the heat absorbing on body, and capsule-core itself is gradually from solid-liquid, after capsule-core is converted to liquid phase, the heat that heat absorption heat accumulating absorbs is the most saturated, it stops absorbing heat, and after the temperature outside body is gradually decrease to preset temperature, the heat of absorption is come out by capsule-core, it is delivered in air, and capsule-core can be along with gradually decreasing of its fever of the body amount gradually from liquid-solid, circulating phase-change by the heat accumulating that absorbs heat, thus body is lowered the temperature, improve heat dispersion and the reliability of mobile terminal.
The back cover that the present invention provides is by arranging heat absorption heat accumulation part on body, heat absorption heat accumulation part includes that the heat on body can be absorbed by the heat absorption heat accumulating with heat absorption and heat storage function, and by heat storage at self, after the temperature of body lowers, the heat of storage is dispersed in air, thus reduce the heat of body, so that the mobile terminal with this back cover 100 has preferably heat dispersion, the reliability that raising equipment uses, decreases heating to body and the impact of mobile terminal.
Being above the preferred embodiment of the present invention, it is noted that for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (13)
1. a back cover, it is characterized in that, described back cover is for being arranged between the front shell assemblies of mobile terminal and bonnet, and between described back cover and described front shell assemblies, form the accommodation space for housing components and parts and battery, described back cover includes body and heat absorption heat accumulation part, described heat absorption heat accumulation part is arranged on described body, described heat absorption heat accumulation part includes the heat absorption heat accumulating with the material properties of heat absorption and heat storage function, described heat absorption heat accumulating is for absorbing the heat on described body, and the heat of absorption is stored by described heat absorption heat accumulating.
Back cover the most according to claim 1, it is characterized in that, described body is tabular, described body has first area and second area, and described first area is used for arranging components and parts, and described first area arranges two avoiding hollow grooves, said two avoiding hollow groove is respectively used to arrange the first deck and the second deck, described first deck is used for housing SIM, and described second deck is used for housing storage card, and described second area is used for arranging battery.
Back cover the most according to claim 2, it is characterised in that said two avoiding hollow groove connects.
4. according to the back cover described in claims 1 to 3 any one, it is characterised in that described heat absorption heat accumulating includes that silicon dioxide and Polyethylene Glycol, the mass ratio of described silicon dioxide and Polyethylene Glycol are 1:1～1:9.
Back cover the most according to claim 4, it is characterised in that described heat absorption heat accumulating is made up of some microcapsules with described silicon dioxide as cyst wall, with described Polyethylene Glycol as capsule-core.
Back cover the most according to claim 5, it is characterized in that, described heat absorption heat accumulation part also includes titanate coupling agent and glue-line, described heat absorption heat accumulating and described titanate coupling agent are mixed and made into flaky material, described glue-line stacking is covered on described flaky material, and described flaky material is adhered on described body by described glue-line.
Back cover the most according to claim 5, it is characterised in that described heat absorption heat accumulation part also includes retarder thinner and bonding solution, and described heat absorption heat accumulating, described retarder thinner and described bonding solution mix and coats on described body.
Back cover the most according to claim 5, it is characterized in that, described heat absorption heat accumulation part also includes substrate and glue-line, described heat absorption heat accumulating is coated in described substrate, described glue-line stacking is covered on described heat absorption heat accumulating, and the substrate being coated with described heat absorption heat accumulating is adhered on described body by described glue-line.
9. according to the back cover described in claim 6 to 8 any one, it is characterised in that described back cover also includes that protecting film, described protecting film are arranged on described heat absorption heat accumulation part, and described protecting film is located remotely from the side of described body.
Back cover the most according to claim 1, it is characterised in that described back cover also includes that adsorption piece, described adsorption piece include that joint face and the adsorption plane being oppositely arranged, described heat absorption heat accumulation part are arranged on described adsorption piece, and described adsorption plane is adsorbed on described body.
11. back covers according to claim 10, it is characterised in that described adsorption plane offers multiple adsorption hole, described adsorption piece is adsorbed on described body by the plurality of adsorption hole.
12. back covers according to claim 10, it is characterised in that described back cover offers multiple adsorption hole, described adsorption plane is squeezed in the plurality of adsorption hole, so that described adsorption piece is adsorbed on described body.
13. 1 kinds of mobile terminals, it is characterised in that include the back cover as described in claim 1 to 12 any one.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810328465.8A CN108601292B (en) | 2016-04-29 | 2016-04-29 | Rear shell and mobile terminal |
| CN201610286904.4A CN105828551B (en) | 2016-04-29 | 2016-04-29 | Rear shell and mobile terminal |
| PCT/CN2017/081699 WO2017186083A1 (en) | 2016-04-29 | 2017-04-24 | Rear shell and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286904.4A CN105828551B (en) | 2016-04-29 | 2016-04-29 | Rear shell and mobile terminal |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810328465.8A Division CN108601292B (en) | 2016-04-29 | 2016-04-29 | Rear shell and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105828551A true CN105828551A (en) | 2016-08-03 |
| CN105828551B CN105828551B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810328465.8A Active CN108601292B (en) | 2016-04-29 | 2016-04-29 | Rear shell and mobile terminal |
| CN201610286904.4A Active CN105828551B (en) | 2016-04-29 | 2016-04-29 | Rear shell and mobile terminal |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810328465.8A Active CN108601292B (en) | 2016-04-29 | 2016-04-29 | Rear shell and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN108601292B (en) |
| WO (1) | WO2017186083A1 (en) |
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| WO2017186083A1 (en) * | 2016-04-29 | 2017-11-02 | 广东欧珀移动通信有限公司 | Rear shell and mobile terminal |
| CN107567243A (en) * | 2017-08-17 | 2018-01-09 | 深圳天珑无线科技有限公司 | Housing and preparation method thereof, electronic installation |
| WO2018059464A1 (en) * | 2016-09-28 | 2018-04-05 | 华为技术有限公司 | Heat dissipation structure for electronic device, and electronic device |
| CN111986708A (en) * | 2019-05-22 | 2020-11-24 | 三星电子株式会社 | Electronic device and portable solid state drive |
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| WO2017186083A1 (en) * | 2016-04-29 | 2017-11-02 | 广东欧珀移动通信有限公司 | Rear shell and mobile terminal |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108601292B (en) | 2020-07-21 |
| WO2017186083A1 (en) | 2017-11-02 |
| CN105828551B (en) | 2018-06-29 |
| CN108601292A (en) | 2018-09-28 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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