CN219637158U - Heat-dissipation and heat-insulation adhesive tape for mobile phone battery pack - Google Patents
Heat-dissipation and heat-insulation adhesive tape for mobile phone battery pack Download PDFInfo
- Publication number
- CN219637158U CN219637158U CN202321403647.XU CN202321403647U CN219637158U CN 219637158 U CN219637158 U CN 219637158U CN 202321403647 U CN202321403647 U CN 202321403647U CN 219637158 U CN219637158 U CN 219637158U
- Authority
- CN
- China
- Prior art keywords
- heat
- layer
- adhesive tape
- mobile phone
- sided adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 35
- 238000009413 insulation Methods 0.000 title claims abstract description 33
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 11
- 239000010410 layer Substances 0.000 claims abstract description 71
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 29
- 239000010439 graphite Substances 0.000 claims abstract description 29
- 239000012790 adhesive layer Substances 0.000 claims abstract description 23
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 16
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 abstract description 6
- 239000004964 aerogel Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Adhesive Tapes (AREA)
Abstract
The utility model discloses a heat-dissipation and heat-insulation adhesive tape for a mobile phone battery pack, which comprises a heat-insulation film layer, a pressure-sensitive adhesive layer, a graphite sheet layer, a PET single-sided adhesive layer and a PET double-sided adhesive layer, wherein the pressure-sensitive adhesive layer is in adhesive connection with the upper end face of the heat-insulation film layer, the graphite sheet layer is in adhesive connection with the upper end face of the pressure-sensitive adhesive layer, the PET single-sided adhesive layer is in adhesive connection with the upper end face of the graphite sheet layer through an adhesive surface, and the PET double-sided adhesive layer is in adhesive connection with the lower end face of the heat-insulation film layer. The advantages are that: the heat on the battery is diffused into a surface heat source through the high heat conduction performance of the graphite sheet layer, the temperature of the heat source surface is reduced, and when the heat is transferred to the graphite sheet layer, the heat on the graphite sheet layer can be prevented from being transferred to the rear shell of the mobile phone through radial transfer due to the ultralow heat conduction coefficient of the heat insulation film layer, so that the temperature of the mobile phone felt by a user on hand is reduced, and the effects of lightness, thinness, heat dissipation and heat insulation can be achieved.
Description
Technical Field
The utility model relates to the field of adhesive tapes, in particular to a heat-dissipating and heat-insulating adhesive tape for a mobile phone battery pack.
Background
At present, consumer electronic products such as mobile phones and the like are developed in the light and thinning directions, the internal space of the electronic products is further compressed, components are closely contacted, the power is high, the heat is generated more, the heat is continuously gathered and cannot be dissipated, a plurality of heat dissipation schemes adopted on mobile phone batteries on the market at present are graphite sheets and copper foils, the mobile phones run for a long time, the heat is generated more on the batteries, if the copper foils are adopted as the heat dissipation schemes, the thickness of the copper foils needs to be increased in order to achieve good heat dissipation effects, the heat is not transmitted to the hands of users in the radial direction through the rear shells of the mobile phones, the user experience is influenced, but the increased thickness of the copper foils with heavier specific gravity and density of 8.89g/cm < 3 > is definitely the weight of the mobile phones, and the development trend of ultra-thinning is not met. The density of graphite is lighter about 2.0g/cm3, the heat conduction effect is very good, but the radial heat transfer coefficient of graphite is also 10-15W/mK, the radial transfer of heat can not be effectively blocked, the heat can be radially transferred to the skin on the hands of a user from the rear shell, the user experience is affected, and the user feels heavy when using, the heat insulation effect and the heat dissipation effect are poor.
In view of this, it is necessary to provide a heat-dissipating and heat-insulating tape for a battery pack of a mobile phone.
Disclosure of Invention
The heat-radiating adhesive tape for the mobile phone battery pack effectively solves the problem that the existing heat-radiating adhesive tape for the mobile phone battery cannot be light and thin, and can radiate heat and insulate heat.
The technical scheme adopted by the utility model is that the heat-dissipating and heat-insulating adhesive tape for the mobile phone battery pack comprises a heat-insulating film layer, a pressure-sensitive adhesive layer which is in adhesive connection with the upper end face of the heat-insulating film layer, a graphite sheet layer which is in adhesive connection with the upper end face of the pressure-sensitive adhesive layer, a PET single-sided adhesive layer which is in adhesive connection with the upper end face of the graphite sheet layer through an adhesive surface, and a PET double-sided adhesive layer which is in adhesive connection with the lower end face of the heat-insulating film layer.
Further is: the PET single-sided adhesive tape comprises a PET double-sided adhesive tape, and is characterized by further comprising an edge wrapping layer, wherein the edge wrapping layer is adhered to the side parts of the PET single-sided adhesive tape and the PET double-sided adhesive tape, and the edge wrapping layer is at least one of the PET single-sided adhesive tape or the PET double-sided adhesive tape.
Further is: the thickness range of the PET single-sided adhesive layer is 0.005-0.03 mm.
Further is: the thickness range of the graphite sheet layer is 0.017 mm-0.1 mm.
Further is: the thickness range of the pressure-sensitive adhesive layer is 0.01-0.1 mm.
Further is: the thickness range of the heat insulation film layer is 0.08 mm-0.33 mm.
Further is: the thickness range of the PET double-sided adhesive layer is 0.005-0.03 mm.
The utility model has the beneficial effects that: the heat on the battery is diffused into a surface heat source through the high heat conduction performance of the graphite sheet layer, the temperature of the heat source surface is reduced, and when the heat is transferred to the graphite sheet layer, the heat on the graphite sheet layer can be prevented from being transferred to the rear shell of the mobile phone through radial transfer due to the ultralow heat conduction coefficient of the heat insulation film layer, so that the temperature of the mobile phone felt by a user on the hand is reduced, and the heat-insulating solar cell phone has the advantages of light weight, heat dissipation and heat insulation.
Drawings
Fig. 1 is an overall schematic diagram of a heat-dissipating and heat-insulating adhesive tape for a mobile phone battery according to an embodiment of the present utility model.
Marked in the figure as: 1. a heat insulating film layer; 2. a pressure-sensitive adhesive layer; 3. a graphite sheet; 4. PET single-sided adhesive layer; 5. PET double-sided adhesive layer; 6. and (5) an edge covering layer.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
As shown in fig. 1, the heat-dissipating and heat-insulating adhesive tape for a mobile phone battery pack provided by the embodiment of the utility model structurally comprises a heat-insulating film layer 1, a pressure-sensitive adhesive layer 2 which is in adhesive connection with the upper end surface of the heat-insulating film layer 1, a graphite sheet layer 3 which is in adhesive connection with the upper end surface of the pressure-sensitive adhesive layer 2, a PET single-sided adhesive layer 4 which is adhered with the upper end surface of the graphite sheet layer 3 through an adhesive surface, and a PET double-sided adhesive layer 5 which is adhered and connected with the lower end surface of the heat-insulating film layer 1.
In the above design, the PET single-sided adhesive layer 4 contacts the battery pack surface (heat source), the heat on the battery is diffused into a surface heat source through the high heat conduction performance of the graphite sheet layer 3, the temperature of the heat source surface is reduced, and when the heat is transferred to the graphite sheet layer 3, due to the ultralow heat conduction coefficient of the heat insulation film layer 1, the heat on the graphite sheet layer 3 can be prevented from being transferred to the rear shell of the mobile phone through radial transfer, the temperature of the mobile phone felt by a user on the hand is reduced, and the heat insulation film layer has the effects of light weight, heat dissipation and heat insulation.
Specifically: the PET single-sided adhesive tape is characterized by further comprising an edge covering layer 6, wherein the edge covering layer 6 is adhered to the side parts of the PET single-sided adhesive tape 4 and the PET double-sided adhesive tape 5, and the edge covering layer 6 is at least one of the PET single-sided adhesive tape 4 or the PET double-sided adhesive tape 5.
In the above design, through setting up the border layer 6, the border layer 6 can be the extension of PET single face glue film 4, also can be the extension of PET double faced adhesive film 5, still can ET single face glue film and PET double faced adhesive film 5 extend simultaneously after the bonding form. The phenomena of powder falling and layering of the graphite sheet layer 3 and the heat insulation film can be effectively prevented, and the problem of short circuit of electronic components is avoided.
Specifically: the thickness range of the PET single-sided adhesive layer 4 is 0.005-0.03 mm.
In the design, the adopted PET single-sided adhesive layer 4 is formed by coating one side of a polyester film serving as a base material through a coating process of a coating machine, so that an adhesive tape with one side is prepared, the thickness range is set to be 0.005-0.03 mm, the peeling force is more than 500gf/25mm, the holding force is more than 24H, and the PET single-sided adhesive layer can be transparent, matt black, transparent, yellow and the like.
Specifically: the thickness range of the graphite sheet layer 3 is 0.017 mm-0.1 mm.
In the design, the graphite sheet layer 3 is a heat-conducting graphite sheet, also called a graphite radiating sheet, is a brand-new heat-conducting and radiating material, has unique grain orientation, uniformly conducts heat along two directions, and has a lamellar structure which can be well adapted to any surface.
Specifically: the thickness of the pressure-sensitive adhesive layer 2 is in the range of 0.01 to 0.1mm.
In the design, the pressure-sensitive adhesive layer 2 is a pure acrylic adhesive film, the acrylic resin is mixed with certain auxiliary agent, the liquid glue is uniformly coated on the surface of the release film through the procedures of mixing, stirring, filtering, coating and the like, the double-sided adhesive with two sides having adhesiveness is formed through a curing process, the thickness range of the adhesive is 0.01-0.1 mm, the peeling force is more than 1000gf/25mm, the normal temperature holding force is more than 24H, the high temperature 85 ℃ holding force is more than 24H, the cohesive force is excellent, the low value of the heat conductivity coefficient is 0.1W/mK, and the heat on the artificial graphite sheet can be prevented from being conducted to the heat insulation film to realize the radial heat resistance function.
Specifically: the thickness range of the heat insulation film layer 1 is 0.08 mm-0.33 mm.
In the design, the main component of the adopted heat insulation film layer 1 is aerogel, the heat insulation film is prepared from aerogel slurry through a coating process, and the aerogel heat insulation film is a novel heat insulation product, and the main component of the heat insulation film layer is aerogel. Aerogel is the lightest solid with optimal heat insulation performance in the world, the pore diameter of the aerogel is about 20nm and smaller than the free path (70 nm) of air, and air molecules in pores lose the free flowing capability, so that the ultrahigh heat insulation performance is realized. The thickness of the aerogel heat insulation film which can be manufactured at present is 0.08-0.33 mm, the heat conductivity coefficient is 0.02W/mk which is lower than 0.024W/mk of air, the aerogel heat insulation film has good heat insulation effect, heat transfer resistance is hindered, the temperature resistance is-40-130 ℃, the dielectric strength is more than or equal to 4KV/mm, and the volume resistivity is more than or equal to 1 x 1013 ohm/cm.
Specifically: the thickness range of the PET double-sided adhesive layer 5 is 0.005-0.03 mm.
In the design, the PET double-sided adhesive layer 5 is coated on the two sides of the base material by a coating process of a coating machine, so that the adhesive tape with two sides having the adhesive property is manufactured, the thickness is 0.005-0.03 mm, the peeling force is more than 500gf/25mm, the holding force is more than 24H, and the PET double-sided adhesive layer 5 has a good adhesive effect and can fix the product on the back shell of the mobile phone. Meets the European Union harmful substance control standard.
It should be understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the utility model to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a be used for cell-phone group battery heat dissipation heat-proof adhesive tape which characterized in that: the thermal insulation film comprises a thermal insulation film layer (1), a pressure-sensitive adhesive layer (2) which is connected with the upper end face of the thermal insulation film layer (1) in a bonding way, a graphite sheet layer (3) which is connected with the upper end face of the pressure-sensitive adhesive layer (2) in a bonding way, a PET single-sided adhesive layer (4) which is connected with the upper end face of the graphite sheet layer (3) in a bonding way through an adhesive face, and a PET double-sided adhesive layer (5) which is connected with the lower end face of the thermal insulation film layer (1) in a bonding way.
2. The heat-dissipating and heat-insulating adhesive tape for a mobile phone battery according to claim 1, wherein: the PET single-sided adhesive tape also comprises a wrapping layer (6), wherein the wrapping layer (6) is adhered to the side parts of the PET single-sided adhesive tape (4) and the PET double-sided adhesive tape (5), and the wrapping layer (6) is at least one of the PET single-sided adhesive tape (4) or the PET double-sided adhesive tape (5).
3. The heat-dissipating and heat-insulating adhesive tape for a mobile phone battery according to claim 1, wherein: the thickness range of the PET single-sided adhesive layer (4) is 0.005-0.03 mm.
4. The heat-dissipating and heat-insulating adhesive tape for a mobile phone battery according to claim 1, wherein: the thickness range of the graphite sheet layer (3) is 0.017 mm-0.1 mm.
5. The heat-dissipating and heat-insulating adhesive tape for a mobile phone battery according to claim 1, wherein: the thickness range of the pressure-sensitive adhesive layer (2) is 0.01-0.1 mm.
6. The heat-dissipating and heat-insulating adhesive tape for a mobile phone battery according to claim 1, wherein: the thickness range of the heat insulation film layer (1) is 0.08 mm-0.33 mm.
7. The heat-dissipating and heat-insulating adhesive tape for a mobile phone battery according to claim 1, wherein: the thickness range of the PET double-sided adhesive layer (5) is 0.005-0.03 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321403647.XU CN219637158U (en) | 2023-06-05 | 2023-06-05 | Heat-dissipation and heat-insulation adhesive tape for mobile phone battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321403647.XU CN219637158U (en) | 2023-06-05 | 2023-06-05 | Heat-dissipation and heat-insulation adhesive tape for mobile phone battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219637158U true CN219637158U (en) | 2023-09-05 |
Family
ID=87815481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321403647.XU Active CN219637158U (en) | 2023-06-05 | 2023-06-05 | Heat-dissipation and heat-insulation adhesive tape for mobile phone battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219637158U (en) |
-
2023
- 2023-06-05 CN CN202321403647.XU patent/CN219637158U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |