CN115883706A - Cell-phone protective housing of graphite alkene composite phase change material - Google Patents
Cell-phone protective housing of graphite alkene composite phase change material Download PDFInfo
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- CN115883706A CN115883706A CN202211500100.1A CN202211500100A CN115883706A CN 115883706 A CN115883706 A CN 115883706A CN 202211500100 A CN202211500100 A CN 202211500100A CN 115883706 A CN115883706 A CN 115883706A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a mobile phone protection shell made of graphene composite phase change materials, which comprises a shell and a heat dissipation module, wherein the shell comprises: the heat dissipation module is arranged in the shell, one side of the heat dissipation module is attached to the inner side of the bottom plate of the shell, and the other side of the heat dissipation module is in contact with a battery cover of the mobile phone; the heat dissipation module at least comprises a graphene composite film and a phase change plate made of a phase change material, wherein the graphene composite film absorbs heat from the battery cover and then transfers the heat to the phase change plate. According to the invention, through the matching of the graphene and the phase change layer, the storage and release of potential energy can be realized, the experience of a terminal user is obviously improved, the economic value is improved, the production efficiency is greatly improved, the cost is reduced, the application range is wide, and the method can be widely applied to equipment cooling.
Description
Technical Field
The invention relates to the technical field of heat dissipation, in particular to a mobile phone protection shell made of graphene composite phase change materials.
Background
Besides the communication function, the mobile phone also has the functions of work and entertainment application, and is essential in daily life and work of people. With the beginning of the mobile phone era, mobile phone protective cases are also widely developed, and the mobile phone protective cases in the current market have single functions, only can play a role in protecting mobile phones, and mostly do not have a heat dissipation effect. Common ordinary cell-phone shell most all is silica gel or PC material, and its heat conduction is relatively poor with heat dispersion, does not have heat-conducting medium almost between cell-phone and the casing to be connected, and when the cell-phone produced heat, on the cell-phone shell can not conduct but the heat dissipation of cell-phone can receive the hindrance on the contrary. Particularly, in order to maximize portability and convenience of a user, a portable terminal such as a smart phone must be miniaturized and lightweight, and in order to achieve high performance, an integrated component must be installed in a smaller space, so that a large amount of heat is generated during a long-time use or when a large number of programs are operated, and if the heat cannot be dissipated in time, the reaction of the mobile phone is slow, and the service life of a battery is reduced. Over time, the service performance of the mobile phone is affected, which causes great trouble to the user.
Even some mobile phone shells with the heat dissipation effect have appeared on the market at present, the actual measurement effect is also very general, and the actual cooling effect is less than 1 degree.
Therefore, a heat dissipation protection shell needs to be provided to solve the problem that the heat dissipation effect of the mobile phone protection shell in the prior art is poor.
Disclosure of Invention
In view of the above, the present invention is directed to a mobile phone protection case with good heat dissipation function, which utilizes a heat dissipation mechanism on the mobile phone case to dissipate heat generated in the mobile phone, so as to reduce the temperature of the mobile phone.
In order to solve the above technical problem, a first aspect of the present invention provides a mobile phone protection case, including a case and a heat dissipation module, wherein: the heat dissipation module is arranged in the shell, one side of the heat dissipation module is attached to the inner side of the bottom plate of the shell, and the other side of the heat dissipation module is in contact with a battery cover of the mobile phone; the heat dissipation module at least comprises a graphene composite film and a phase change plate made of a phase change material, wherein the graphene composite film absorbs heat from the battery cover and then transfers the heat to the phase change plate.
According to a preferred embodiment of the present invention, the graphene composite film is bonded to the phase change plate through a first adhesive layer, and the phase change plate is bonded to the case through a second adhesive layer.
According to a preferred embodiment of the present invention, the first adhesive layer and the second adhesive layer are a high thermal conductivity double-sided tape.
According to a preferred embodiment of the present invention, the heat dissipation module comprises a multilayer graphene composite film; and/or the phase change temperature of the phase change material may be determined by the temperature required by the heat source; and/or a camera hole is arranged on the bottom plate of the shell in a penetrating way, and the shape of the through hole is consistent with that of a camera of a mobile phone with a corresponding model; and/or a charging port is arranged on the frame of the shell; and/or, an earphone port is arranged on the frame of the shell; and/or at least one heat dissipation hole connected with the heat dissipation module is arranged on the frame of the shell, and the heat dissipation hole can be matched with the heat dissipation module for heat dissipation; and/or a plurality of heat dissipation through holes are arranged on the bottom plate of the shell; and/or, the outside of the shell is also covered with an air layer; and/or a waterproof and dustproof net is arranged on the shell.
According to a preferred embodiment of the present invention, the thickness of the phase change material layer is selected from the range of 0.05 to 0.5mm; and/or, the phase change material may be selected from a metal, metal oxide, paraffin, acetic acid, or EPDM material; and/or, the graphene composite film comprises high thermal conductivity coated graphene; and/or the thickness of the graphene composite membrane is 0.05-0.5mm; and/or the thermal conductivity of the graphene composite film is 1000-1700W/m.K.
According to a preferred embodiment of the present invention, the thickness of the phase change material layer is selected from 0.2 to 0.4mm; and/or the thickness of the graphene composite membrane is 0.1-0.3 mm; and/or the thermal conductivity of the graphene composite film is 1400-1600W/m.K.
According to the invention, through the matching of the graphene and the phase change layer, the storage and release of potential energy can be realized, the experience of a terminal user is obviously improved, the economic value is improved, the production efficiency is greatly improved, the cost is reduced, the application range is wide, and the method can be widely applied to equipment cooling.
Further, through setting up unique phase transition layer and adhesive, promoted the heat dispersion of graphite alkene complex film by a wide margin, had certain heat-retaining effect simultaneously, further increase the range of application of graphite alkene complex film.
Drawings
In order to make the technical problems solved by the present invention, the technical means adopted and the technical effects obtained more clear, the following will describe in detail the embodiments of the present invention with reference to the accompanying drawings. It should be noted, however, that the drawings described below are only illustrations of exemplary embodiments of the invention, from which other embodiments can be derived by those skilled in the art without inventive step.
Fig. 1 is a schematic structural diagram of an embodiment of a mobile phone protective case made of a graphene composite phase change material according to the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a mobile phone protective case made of a graphene composite phase change material according to the present invention;
fig. 3 is a schematic cross-sectional view of an embodiment of a mobile phone protection case made of a graphene composite phase change material according to the present invention;
fig. 4 is a schematic cross-sectional view of a mobile phone protection case made of graphene composite phase change material according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention may be embodied in many specific forms, and should not be construed as limited to the embodiments set forth herein. Rather, these exemplary embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art.
The structures, properties, effects or other characteristics described in a certain embodiment may be combined in any suitable manner in one or more other embodiments, while still complying with the technical idea of the invention.
In describing particular embodiments, specific details of structures, properties, effects, or other features are set forth in order to provide a thorough understanding of the embodiments by one skilled in the art. However, it is not excluded that a person skilled in the art may implement the invention in a specific case without the above-described structures, performances, effects or other features.
The block diagrams in the figures generally represent functional entities and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
The same reference numerals denote the same or similar elements, components, or parts throughout the drawings, and thus, a repetitive description thereof may be omitted hereinafter. It will also be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, components, or sections, these elements, components, or sections should not be limited by these terms. That is, these phrases are used only to distinguish one from another. For example, a first device may also be referred to as a second device without departing from the spirit of the present invention. Furthermore, the term "and/or", "and/or" is intended to include all combinations of any one or more of the listed items.
Fig. 1 is a schematic structural diagram of an embodiment of a mobile phone protective case made of a graphene composite phase change material according to the present invention.
Graphene in one embodiment of the present invention includes a two-dimensional carbon material, which may include the generic term of single-layer graphene, double-layer graphene, and few-layer graphene. Graphene has excellent heat conduction performance, and the theoretical heat conduction rate of single-layer graphene is more than 5300W/m.K, which is tens of times of that of the best heat conduction material known at present. The graphene film has excellent heat conductivity and heat radiation performance, high heat conductivity coefficient and excellent heat radiation effect in the plane direction. In addition, the graphene film also has the advantages of hard and light weight, quite stable structure, wear resistance and corrosion resistance, and the overall performance of the radiating fin is greatly improved. The graphene is also paid more attention to the preparation of the high-efficiency heat-conducting interface material by taking the graphene as a heat-conducting filling system of the heat-conducting interface material.
In one embodiment of the present invention, a Phase Change Material (PCM) refers to a substance that changes the state of a substance with a change in temperature and provides latent heat, and a process of converting a physical property is called a phase change process, in which the phase change material absorbs or releases a large amount of latent heat to achieve a heating or cooling effect. In addition, the phase-change material also has the capability of changing the physical state within a certain temperature range, for example, solid-liquid phase change, when the phase-change material is heated to a melting temperature, the phase-change material generates phase change from a solid state to a liquid state, and the phase-change material absorbs and stores a large amount of latent heat in the melting process; when the phase change material is cooled, the stored heat is dissipated to the environment within a certain temperature range, and reverse phase change from liquid to solid is carried out.
As shown in fig. 1, in an embodiment of the present invention, a protective case for a mobile phone includes a housing 1 and a heat dissipation module 4 made of a graphene composite phase change material.
The shell 1 is a solid substance with low thermal conductivity and comprises a bottom plate and a frame, and the bottom plate and the frame can adopt an integrated structure or an integral structure.
Run through on the 1 bottom plate of casing and be provided with camera hole 2, camera hole 2 can be square and semicircle combination formation's through-hole, or circular port, or quad slit, or the arbitrary shape through-hole, and the through-hole shape is unanimous with the cell-phone camera shape that corresponds the model, sets up at the cell-phone camera corresponding position in shell upper portion, size and cell-phone camera size phase-match.
The frame of the casing 1 is provided with a charging port 3 and an earphone port 11, and a horn port (not shown) corresponding to the horn position of the mobile phone can be arranged. Further, the charging port 3, the earphone port 11 and the horn port are correspondingly arranged in the region where the charging port, the earphone hole and the horn of the matched mobile phone are located.
The casing 1 of the mobile phone can be provided with heat dissipation holes 5 which can be round or square or other through holes arranged in parallel or in a fork manner or in a circle. Preferably, it may be disposed at a rim position of the case 1.
Further, the housing 1 may be a shallow concave structure formed by a bottom plate having inner and outer sides (two surfaces) and a frame surrounding the bottom plate and integrally formed with the bottom plate.
Fig. 2 is a schematic structural diagram of an embodiment of a mobile phone protective case made of a graphene composite phase change material according to the present invention.
As shown in fig. 2, the heat dissipation module 4 is of an integral or distributed structure and is disposed in the bottom plate of the housing 1, one side of the heat dissipation module is attached to the inner side of the bottom plate of the housing 1, and the other side of the heat dissipation module is in contact with a battery cover of a mobile phone.
The heat dissipation module 4 is an integral structure, which may be an integral casing structure attached to the inner side surface of the casing 1 (e.g., a surface covering the back/outer side surface of the mobile phone battery cover) or a flat-plate-like structure of the integral casing, preferably, when the heat dissipation module 4 is an integral casing structure, the outer side surface thereof, i.e., the side opposite to the back/outer side surface of the mobile phone battery cover, is attached to the inner side surfaces of the bottom plate and the frame of the casing 1; alternatively, when the heat dissipation module 4 has a flat-plate-like structure of an integral case, the outer side surface of the flat plate is preferably bonded to the inner side surface of the bottom plate of the case 1. The heat dissipation modules 4 are distributed structures, and may be a plurality of shell structures attached to the inner side surface of the shell 1 or a structure in which the shell only includes a flat plate shape, and are fully or partially attached to the inner side surface of the shell 1, and preferably, the outer side surfaces of the plurality of heat dissipation modules 4 are partially or completely attached to the inner side surface of the bottom plate and/or the frame of the shell 1. Wherein, the inside, outside, one side, etc. all represent surfaces, planes: such as medial, lateral, etc.
The other side of the heat dissipation module 4, i.e., the inner side facing away from the outer side of the attached housing 1, covers the back of the battery cover contacting the mobile phone, i.e., is attached to the back of the mobile phone. Further, the heat dissipation module 4 may be attached to a battery cover region where the whole battery is located, or to a back cover region of the mobile phone.
Fig. 3 and 4 are schematic cross-sectional structural diagrams of an embodiment of a mobile phone protection shell made of a graphene composite phase change material according to the present invention.
As shown in fig. 3 and 4, the heat dissipation module 4 at least includes a graphene composite film 7 and a phase change plate 9 made of a phase change material. Preferably, the graphene composite film 7 can be one or more layers, and the phase change plate 9 can be one or more layers. The following description will be given by taking the heat dissipation module 4 formed by the graphene composite film 7 and the phase change plate 9 as an example:
the graphene composite film 7 is arranged at the other side of the heat dissipation module 4, namely at the position where the inner side surface of the graphene composite film is in contact with and attached to a heat source such as the region where the battery cover at the back of the mobile phone is located, and the graphene composite film is in direct contact with and covers the region of the battery cover and absorbs heat of the heat source such as heat generated by the battery or other internal parts of the mobile phone transferred from the battery cover of the mobile phone and transferred to the rear shell of the mobile phone. A first bonding layer 8 covers the graphene composite film 7, and the graphene composite film 7 is bonded with the phase change plate 9 through the first bonding layer 8. The phase change plate 9 is bonded to the housing 1 by a second adhesive layer 10.
The graphene composite membrane 7 absorbs heat from a heat source and transfers the heat to the phase change plate 9; and the phase change plate 9 continuously absorbs the heat emitted by the graphene composite film 7 before the temperature rise caused by the heat of the heat source reaches the phase change temperature of the phase change material constituting the phase change plate.
The first adhesive layer and the second adhesive layer are used for connecting and fixing a heat source (such as a mobile phone battery cover area) and the heat dissipation module 4 in an adhesive mode, filling micro gaps among all layers, increasing the contact area and enhancing the heat conduction and heat dissipation performance of the mobile phone shell. From this, but realize cooling, the effect of accuse temperature through compounding graphite alkene complex film 7 with phase change board 9.
Further, the mobile phone housing may be provided with heat dissipation holes 5, the heat dissipation holes may be through holes arranged in a row or in a cross row or in a circle, or in a square shape or in other shapes, the heat dissipation module 4 is connected to the heat dissipation holes 5, and the heat dissipation holes 5 may cooperate with the heat dissipation module to dissipate heat. The louvre can be one or more, can evenly arrange on the frame of cell-phone casing, also can set up specific position according to the design needs, for example frame lower part, lateral part, upper portion etc..
In one embodiment, the thickness of the phase change material layer is 0.05 to 0.5mm, preferably 0.2 to 0.4mm.
In one embodiment, the phase change material may include crystalline hydrated salts, molten salts, metals, metal oxides, or alloys, paraffin, acetic acid, EPDM (Ethylene Propylene Diene terpolymer) materials, and the like.
In one embodiment, the phase change plate is made of a graphite-based organic phase change material.
In one embodiment, the phase change temperature of the phase change material may be determined by the temperature required by the heat source.
In one embodiment, the phase change material layer further contains a flame retardant and an insulating filler.
In one embodiment, the heat dissipation module comprises a multi-layer graphene composite membrane.
In one embodiment, the graphene composite film includes a high thermal conductive coated graphene.
In one embodiment, the graphene composite membrane has a thickness of 0.05 to 0.5mm, preferably 0.1 to 0.3mm.
In one embodiment, the thermal conductivity of the graphene composite film is 1000-1700W/m.K, preferably 1400-1600W/m.K.
In one embodiment, the graphene composite film is produced by a coating process and is compounded by rolling and rolling.
In one embodiment, the first adhesive layer and the second adhesive layer are an adsorption adhesive layer or an adhesive layer, the adsorption adhesive layer is used for adhering an object through a physical adsorption or chemical adsorption mode, and the adhesive layer is used for adhering an object through an adhesive mode.
In one embodiment, the first adhesive layer and the second adhesive layer are high thermal conductivity double sided tape.
In one embodiment, the thickness of the first adhesive layer and the second adhesive layer is 0.05 to 0.5mm, preferably 0.1 to 0.3mm.
When the mobile phone protection shell works, the graphene composite film 7 is in close contact with the surface (inner surface/inner side) of the shell 1 of the mobile phone protection shell, and heat from the battery cover is absorbed by the graphene composite film 7. The heat flow carries out heat conduction heat dissipation through graphite alkene complex film 7 earlier, utilizes its X-Y direction level high thermal conductivity (K value > 1400), carries out quick samming with the heat, avoids the single-point to gather heat, secondly, rethread heat-conducting glue layer (bond line), reach phase change board 9 heat transfer, utilize phase change board 9's high energy storage characteristic (enthalpy value > 180J), absorb unnecessary heat and store, thereby realize effectively cooling down to the cell-phone and to the accuse temperature of protective housing temperature of feeling, promote performance and feel experience effect greatly.
The temperature test is carried out by taking the example that a plurality of mobile phone protective cases are arranged on the same type of mobile phone under the closed non-convection environment and the environment temperature is about 26 ℃. Before testing, three temperature measuring points at the same position are selected on each mobile phone protective shell in advance, a 3D game is run on the mobile phone, and the testing time is 60 minutes to reach the thermal balance.
The mobile phone shells of various different schemes are respectively a hydrogel protective shell originally installed on a mobile phone, a mobile phone protective shell with a heat insulation layer, a mobile phone protective shell with a silica gel layer and a mobile phone protective shell with a graphene composite film 7 combined with a phase change plate 9.
Specific data are shown in table 1:
TABLE 1
Compared with a common mobile phone shell, the mobile phone protection shell can obviously improve the heat dissipation effect, does not gather heat and sultry, can achieve 3-5 degrees in actual measurement of the cooling effect, improves the heat dissipation effect by 2-4 times, and can realize ultra-strong uniform temperature and ultra-long time-delay temperature control.
It should be emphasized that, in the heat dissipation module 4 of the present invention, the phase change plate 9 is located on the other side of the graphene composite film 7 opposite to the heat generating component (heat source) in the mobile phone. Utilize phase change material's coefficient of heat conductivity usually less, and the coefficient of heat conductivity of graphite alkene complex film 7 is greater than phase change material's coefficient of heat conductivity far away, and graphite alkene complex film 7 hugs closely the battery, and the inside temperature of group battery in the balanced heat source that can be better such as lid behind the cell-phone to on conducting the heat to phase change material fast, phase change material also can be fine control inside temperature, and phase change material also can have the time of filling the custom and outwards dispel the heat simultaneously, the characteristics of two kinds of materials have fully been given play to. If attach phase change material in 7 inboard and the contact of heating element of graphite alkene complex film, the heat that the battery produced although can be absorbed, the heat-retaining by phase change material, nevertheless because coefficient of heat conductivity is far less than graphite alkene complex film, the heat that phase change material absorbed can't give off fast, and the inside temperature of group battery will be far less than phase change material in the graphite alkene complex film outside on the uniformity to the heat conduction advantage of graphite alkene complex film also can't be played.
In one embodiment, the heat dissipation module 4 further includes an anti-static film layer or an anti-EMI film layer, which has anti-static or anti-electromagnetic wave properties in addition to fast heat dissipation.
In one embodiment, a heat dissipating through hole (not shown) may be provided on the bottom plate of the case 1. In one embodiment, the bottom plate is provided with a plurality of heat dissipation through holes. The heat dissipation module quickly transfers heat through the contact of the heat dissipation through holes and air, so that the heat dissipation function of the mobile phone shell is realized, and the mobile phone can run more smoothly.
In one embodiment, the housing 1 may be covered with an air layer to reduce the impact of the mobile phone when the mobile phone is dropped accidentally and reduce the damage to the mobile phone.
In one embodiment, be equipped with waterproof dust guard on casing 1, through the removal of waterproof dust guard to the sealed of heat dissipation through-hole, realize the sealed protection of cell-phone under rainy day and dust environment, prevent that water droplet and dust from passing through heat dissipation through-hole adhesion on heat dissipation module 4, cause destruction to graphite alkene fin such as graphite alkene complex film 7, phase change board 9, strengthen the waterproof dustproof protection of cell-phone shell at louvre 5 or heat dissipation through-hole simultaneously.
In one embodiment, the housing 1 may be a rear housing cover of a mobile phone, in addition to an external mobile phone protective housing.
Graphene is the heat dissipation material that the performance is splendid, and the radiating effect that plays that can be fine has realized quick heat conduction, is used for electronic product heat radiation structure with this graphite alkene complex film, can disperse the heat conduction rapidly, and the mode of rethread infrared wave radiates the heat away. The temperature equalization effect of the mobile phone shell can be improved by utilizing the high thermal conductivity of the graphene composite material; the graphene material has good heat radiation capability, and particularly can effectively penetrate through the plastic shell of an electronic product in an infrared wave mode to radiate heat. Therefore, the temperature of the electronic product can be effectively reduced, and a good cooling and radiating effect is achieved.
Utilize the high energy storage characteristic of phase change board, can promote the temperature control effect of cell-phone shell. Through the cooperation of graphene and the phase change layer, the storage and the release of latent energy can be realized, the experience of a terminal user is obviously improved, the economic value is improved, the production efficiency is greatly improved, the cost is reduced, the application range is wide, and the phase change material can be widely applied to equipment cooling.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a mobile phone protection shell, its characterized in that includes casing and heat radiation module, wherein:
the heat dissipation module is arranged in the shell, one side of the heat dissipation module is attached to the inner side of the bottom plate of the shell, and the other side of the heat dissipation module is in contact with a battery cover of the mobile phone;
the heat dissipation module at least comprises a graphene composite film and a phase change plate made of a phase change material, wherein the graphene composite film is directly contacted with the battery cover and absorbs heat from the battery cover, and then transfers the heat to the phase change plate positioned on the upper layer of the graphene conforming film.
2. The protective case of a cell phone of claim 1, further comprising:
the graphene composite membrane is bonded with the phase change plate through a first bonding layer, and the phase change plate is bonded with the inner side of the shell bottom plate through a second bonding layer.
3. A handset protective case according to claim 2, wherein,
the heat dissipation module comprises one or more graphene composite films; and/or the heat dissipation module comprises one or more layers of deformation plates; and/or the phase change temperature of the phase change material of the phase change plate is determined by the temperature required by the heat source.
4. A handset protective case according to any one of claims 1 to 4,
the thickness of the phase change plate is selected from 0.05-0.5mm; and/or the presence of a gas in the gas,
the phase change material is selected from metal, metal oxide, paraffin, acetic acid or EPDM material; and/or the presence of a gas in the gas,
the graphene composite film comprises high thermal conductivity coated graphene; and/or the presence of a gas in the gas,
the thickness of the graphene composite film is 0.05-0.5mm; and/or the presence of a gas in the atmosphere,
the thermal conductivity of the graphene composite film is 1000-1700W/m.K.
5. A handset protective case according to claim 4, wherein,
the thickness of the phase change plate is selected from 0.2-0.4 mm; and/or the presence of a gas in the gas,
the thickness of the graphene composite film is 0.1-0.3 mm; and/or the presence of a gas in the atmosphere,
the thermal conductivity of the graphene composite film is 1400-1600W/m.K.
6. The protective case of claim 1, wherein a flame retardant and an insulating filler are further added to the phase change material.
7. The protective case of claim 1, wherein the first adhesive layer and the second adhesive layer comprise an adhesive layer or an adhesive layer.
8. The protective case of claim 7, wherein when the first adhesive layer and the second adhesive layer are adhesive layers, a high thermal conductivity double-sided tape is used.
9. The protective case of claim 8, wherein the thickness of the first and second adhesive layers is selected from 0.05 mm to 0.5mm.
10. The protective case of a cell phone of claim 1, further comprising:
a camera hole penetrates through the bottom plate of the shell, and the shape of the through hole is consistent with the shape and the position of a camera of a mobile phone with a corresponding model; and/or the presence of a gas in the atmosphere,
a charging port and/or an earphone port are/is arranged on the frame of the shell and are consistent with the charging port and/or the earphone port of the mobile phone with the corresponding model in shape and position; and/or the presence of a gas in the atmosphere,
at least one heat dissipation hole connected with the heat dissipation module is formed in the frame of the shell and is matched with the heat dissipation module for heat dissipation; and/or the presence of a gas in the gas,
a plurality of heat dissipation through holes are formed in the bottom plate of the shell; and/or the presence of a gas in the gas,
the outer part of the shell is also covered with an air layer; and/or the presence of a gas in the gas,
and a waterproof and dustproof net is arranged on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211500100.1A CN115883706A (en) | 2022-11-28 | 2022-11-28 | Cell-phone protective housing of graphite alkene composite phase change material |
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| CN202211500100.1A CN115883706A (en) | 2022-11-28 | 2022-11-28 | Cell-phone protective housing of graphite alkene composite phase change material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117715393A (en) * | 2024-02-05 | 2024-03-15 | 深圳市池纳光电有限公司 | Mobile phone capable of conducting heat dissipation in Z direction through phase change material and heat dissipation assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117715393A (en) * | 2024-02-05 | 2024-03-15 | 深圳市池纳光电有限公司 | Mobile phone capable of conducting heat dissipation in Z direction through phase change material and heat dissipation assembly |
| CN117715393B (en) * | 2024-02-05 | 2024-04-26 | 深圳市池纳光电有限公司 | Mobile phone capable of conducting heat dissipation in Z direction through phase change material and heat dissipation assembly |
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