WO2019080121A1 - 一种包覆膜、电池模块及移动终端 - Google Patents
一种包覆膜、电池模块及移动终端Info
- Publication number
- WO2019080121A1 WO2019080121A1 PCT/CN2017/108122 CN2017108122W WO2019080121A1 WO 2019080121 A1 WO2019080121 A1 WO 2019080121A1 CN 2017108122 W CN2017108122 W CN 2017108122W WO 2019080121 A1 WO2019080121 A1 WO 2019080121A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- adhesive
- wrapping
- coating film
- pulling
- Prior art date
Links
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0262—Details of the structure or mounting of specific components for a battery compartment
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/33—Applications of adhesives in processes or use of adhesives in the form of films or foils for batteries or fuel cells
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
- C09J2301/1242—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape the opposite adhesive layers being different
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/18—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet characterized by perforations in the adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/204—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive coating being discontinuous
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- 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
Definitions
- the present application relates to the technical field of mobile terminals, and in particular, to a cover film, a battery module, and a mobile terminal.
- the battery is an essential product of the mobile terminal.
- the battery needs to be placed in the battery compartment of the mobile terminal, and the battery needs to be fixed.
- the fixing method of the battery used in the prior art is various, as shown in FIG. 1 .
- the fixing method of FIG. 1 is a tape 3 scheme, that is, the battery 2 is bonded to the battery compartment 1 through the tape 3, and the bonding strength is high.
- the battery 2 is not easy to be disassembled during the rework process, and the tool needs to be used.
- the package of the battery 2 is easily damaged during the disassembly process, resulting in a safety hazard.
- the battery 2 is packaged by the detachable wrap film 5, and the handle structure 6 is added to the battery 2, and bonded to the battery compartment 1 by the ordinary tape 3; when the battery 2 is removed, the battery is opened. After the wrap film 5 is detached, the handle structure 6 is lifted, the battery 2 is separated from the detachable wrap film 5, and the battery 2 is taken out.
- the detachable wrapping film 5 is separated from the handle structure 6, and the production process and the mounting process are complicated and the cost is high.
- the present application provides a cover film, a battery module and a mobile terminal for providing a simple battery disassembly structure.
- a cover film in a first aspect, includes a wrapping portion and a pulling portion, and the pulling portion and the wrapping portion are divided by a tear line; when the pulling is pulled Part, the tear line is broken, and the pulling portion is separated from the wrapping portion;
- the coating film has a wrapping surface facing the battery and an adhesive surface facing the battery compartment;
- the wrapping surface of the wrapping portion, the area enclosing the side wall of the battery is a glueless area, and the second area except the glueless area has the first adhesive;
- the bonding surface in the wrapping portion has a second adhesive, and the adhesive force of the first adhesive is less than the adhesive force of the second adhesive;
- a part of the wrapping surface of the pulling portion has a third adhesive; the bonding surface of the pulling portion is a glueless region.
- the covering film is formed by a unitary structure, and the covering film is divided into two different regions by a tear line.
- the pulling portion can separate the lifting portion from the wrapping portion, and pull the battery out of the battery compartment, thereby facilitating the disassembly of the battery and facilitating the production and processing of the coating film.
- the third adhesive is the same as the first adhesive.
- the third adhesive is different from the first adhesive, and the adhesion of the third adhesive Greater than the adhesion of the first adhesive. Due to the different adhesive force, the adhesion between the lifting portion and the battery is greater than the adhesion between the wrapping portion and the battery, which further ensures the smooth pull-out of the battery.
- the tear lines are two, two tear lines are arranged in parallel, and the cover film is provided with through holes, and each tear line extends to the through holes.
- the pulling portion can be opened with the wrapping portion when the force is applied, so that the battery can be pulled out.
- the tear line is a strip
- the tear line is U-shaped
- both ends of the tear line extend to the same side of the cover film.
- one side of the cover film has a raised portion that extends outside the sides of the cover film; the tear line extends to the raised portion.
- the edge of the raised portion is provided with a notch that is connected to each of the tear lines. It is convenient to lift the part and the package part.
- the portion of the pull portion that extends into the raised portion is a glue-free region. It is convenient to disassemble the battery.
- the pull portion is located outside of the raised portion. It is convenient to apply force to the lifting part, which is convenient for disassembling the battery.
- the glue-free zone on the wrapper divides the first adhesive into three parallel regions. Improve the effect of the package.
- the tear line is a double tear line. It is convenient to lift the part and the package part.
- a protective film is attached to the bonding surface of the coating film. To protect the second adhesive.
- a plurality of bonding regions are disposed in the bonding surface of the coating film, and each bonding region has the second bonding adhesive. Improve the bonding effect.
- the pulling portion is disposed at an intermediate position on one side of the coating film. Easy to pull out the battery.
- the pulling portion spans the side wall of the battery, and one side of the side wall of the battery is a glue-free area and the other side is a glued area.
- a battery module comprising a battery and the coating film of any of the above described above.
- the covering film is formed by a unitary structure, and the covering film is divided into two different regions by a tear line.
- the pulling portion can separate the lifting portion from the wrapping portion, and drive the battery to be pulled out from the battery compartment, thereby facilitating the disassembly of the battery and facilitating the production and processing of the coating film.
- a mobile terminal comprising a casing, a battery compartment disposed in the casing, and a battery fixed in the battery compartment, wherein the battery is wrapped with any of the above The coating film described.
- the covering film is formed by a unitary structure, and the covering film is divided into two different regions by a tear line.
- the pulling portion can separate the lifting portion from the wrapping portion, and drive the battery to be pulled out from the battery compartment, thereby facilitating the disassembly of the battery and facilitating the production and processing of the coating film.
- FIG. 1 is a schematic view showing the installation of a battery in the prior art
- FIG. 2 is a schematic view showing the installation of a battery in the prior art
- FIG. 3 is a schematic view showing the installation of a battery in the prior art
- FIG. 4 is a schematic view showing a wrapping surface of a coating film according to an embodiment of the present application.
- FIG. 5 is a schematic view showing a bonding surface of a coating film according to an embodiment of the present application.
- FIG. 6 is a schematic structural view of another coating film according to an embodiment of the present application.
- FIG. 7 is a reference diagram of a use state of a coating film according to an embodiment of the present application.
- FIG. 8 is a schematic structural diagram of a battery module according to an embodiment of the present application.
- FIG. 4 shows the structure of the coating film provided by the embodiment of the present application when not in use
- FIG. 7 shows the coating film of the embodiment of the present application in the wrapped battery. Schematic diagram of the cooperation with the battery.
- the four faces of the battery 20 except the surfaces of the two ends are named, wherein the battery 20 is placed on the bottom surface of the battery compartment facing the battery compartment as a bottom surface, that is,
- the first surface shown in the figure
- the cover film 10 provided by the embodiment of the present application has an integral structure, and the cover film 10 has two opposite faces, which are respectively an adhesive surface and a wrapping surface; wherein, as shown in FIG. 4 The surface is a wrapping surface, which is the side of the covering film 10 facing the battery 20 when the battery 20 is wrapped, and the surface shown in FIG. 5 is an adhesive surface which is away from the wrapping surface. And when the battery 20 is placed in the battery compartment, the bonding surface faces the battery compartment and is used to bond with the battery compartment.
- each of the area structures defined on the coating film 10 is The solid structure on the cover film 10 has a solid structure defined on the cover film 10: a wrap portion 11 and a pulling portion 12, wherein the wrap portion 11 has two faces, and the two faces are respectively a cover film. 10 bonding surface and wrapping surface.
- the pulling portion 11 has two faces, and the two faces are the bonding faces and the wrapping faces of the cover film 10, respectively.
- the cover film 10 of the battery 20 provided in the embodiment of the present application is divided into a package portion 11 and a lifting portion 12, wherein the package portion 11 is used for wrapping the battery 20,
- the pull portion 12 is used as an action area for external force application when the battery 20 is taken out.
- a tear line 14 is provided on the cover film 10 for distinguishing the two area structures, and the tear line 14 is depicted on the cover film 10 to separate the wrap portion 11 from the pull portion 12.
- the tearing line 14 forms a partially broken and partially connected structure between the pulling portion 12 and the wrapping portion 11.
- the pulling portion 12 is pulled by an external force, the tearing wire 14 is broken, so that the wrapping portion 11 and the lifting portion 11 are lifted.
- the pull 12 can be broken and form two separate structures.
- the wrapping surface in the wrapping portion 11 has a first adhesive (not labeled), and the wrapping portion 11 is bonded to the battery 20 by the first adhesive, thereby
- the wrapping portion 11 can be wrapped on the battery 20, and in addition, when the battery 20 is taken out, the cover film 10 is separated from the battery 20 for convenience, and the area on the wrapping surface of the wrapping portion 11 for wrapping both sides of the battery 20 is set to No glue zone, as shown in Figure 4 The shaded area on the wrap 11.
- the second region other than the glue-free region has a first adhesive.
- a third adhesive is also partially disposed on the wrapping surface of the lifting portion 12 to ensure that the lifting portion 12 can be bonded to the battery 20 when the wrapping portion 11 is wrapped with the battery 20, and can be driven when the pulling portion 12 is pulled. Battery 20.
- the bonding surface of the cover film 10 When the cover film 10 enclosing the battery 20 is placed in the battery compartment, the bonding surface of the cover film 10 has a second adhesive, and the cover film 10 is adhered to the bottom surface of the battery compartment by the second adhesive. Connected. In a specific setting, the adhesion of the first adhesive is less than the adhesive force of the second adhesive. In this manner, when the battery 20 is taken out, the cover film 10 can be bonded in the battery compartment without being pulled out along with the battery 20. Moreover, in order to facilitate the pulling of the battery 20, the bonding surface in the pulling portion 12 is a glue-free area, so that when the coating film 10 is fixed to the battery compartment, the lifting portion 12 is not bonded to the bottom surface of the battery compartment, thereby facilitating pulling. Lifting section 12.
- the cover film 10 provided by the embodiment of the present application is formed by a unitary structure, and the cover film 10 is divided into two different regions by the tear line 14 when the battery 20 needs to be disassembled.
- the pulling portion 12 divided by the tearing line 14 is required to separate the pulling portion 12 from the wrapping portion 11, and the battery 20 is pulled out from the battery compartment, thereby facilitating the disassembly of the battery 20.
- the cover film 10 provided by the embodiment of the present application is an integrally formed film body, and the film body includes two opposite faces, which are respectively a wrapping surface and a bonding surface, wherein, as shown in FIG. 4 As shown, the wrap surface is divided into a first surface wrapping area 111 that is bonded to the first surface of the battery 20 according to the function of the wrapped battery 20; a side wrapping area 112 that is bonded to the two sides; and is attached to the second surface 21
- the second surface wrapping area 113 as shown in FIG. 8, the two second surface wrapping areas 113 partially enclose the second surface 21 of the battery 20; as shown in FIG. 5, the bonding surface is only in the first surface wrapping area 111.
- the first surface bonding region 114 is disposed in the opposite region, and the other regions on the bonding surface are rubber-free regions.
- the cover film 10 is divided into two parts, which are respectively the wrapping part 11 and the pulling part 12, and the wrapping part 11 and the lifting part 12 are divided into two parts by the tearing line 14, in a specific
- the tear line 14 is a double-layer tear line
- the tear line 14 as shown in FIG. 4 is a double-layer tear line.
- a double-layer tear line is used, a small force can be used.
- the pulling portion 12 is separated from the wrapping portion 11.
- the tear line 14 is not broken, the wrapping portion 11 and the pulling portion 12 are integrated.
- the tearing wire 14 is broken, the wrapping portion 11 is separated from the pulling portion 12, and the wrapping portion 11 is left in the battery compartment.
- the pulling portion 12 is connected to the battery 20 and pulls the battery 20 out of the package portion 11.
- the coating film 10 provided by the embodiment of the present application adopts two different structural modes, one of which is shown in FIG. 4, in which the method is adopted.
- Two tear lines 14 separate the two sides of the pulling portion 12 from the wrapping portion 11, and a covering hole 15 is further provided on the covering film 10, and each tearing line 14 extends to the through hole 15, thereby passing two The strip tear line 14 and the through hole 15 distinguish the lift portion 12 from the wrap portion 11.
- the two tear lines 14 are arranged in parallel or approximately parallel, and the ends of each of the tear lines 14 extend to the same side of the cover film 10, as shown in FIG.
- One end of the wire 14 is located at the through hole 15 and the other end is located at the edge of the cover film 10, and the divided portion 11 is formed into a concave shape, and the drawing portion 12 is inserted into a concave portion of the concave portion of the wrapping portion 11. structure.
- the pulling portion 12 is pulled, the two tear lines 14 are broken, and when the tear line 14 is broken to the position of the through hole 15, the pulling portion 12 is separated from the wrapping portion 11.
- the tear line 14 is a piece, and its shape is U-shaped, and the U-shaped tearing Both ends of the wire 14 extend to the same side of the cover film 10, so that a part of the cover film 10 is divided to form the pulling portion 12.
- the pulling portion 12 is pulled, the tear line 14 is gradually broken, and when the tear line 14 is completely broken, the pulling portion 12 is disconnected from the wrapping portion 11.
- the U-shaped tear line 14 is provided by the embodiment of the present application, other shapes of the tear line 14 can also be applied in the embodiment of the present application, and only the tear line can be guaranteed.
- the tearing portion 12 can be distinguished from the wrapping portion 11 at the time of tearing. If the tear line 14 is a fold line, the tear line 14 is surrounded by two parallel tear lines 14 and a V-shaped tear line 14 to form the pulling portion 12, and can also be applied to the embodiment of the present application. .
- the pulling portion 12 can be divided in different ways, and when the pulling portion 12 is divided, the pulling portion 12 can be located at different positions on one side of the cover film 10, as shown in FIG.
- the direction in which the cover film 10 is shown is the reference direction, and the pulling portion 12 may be close to the upper portion of the cover film 10 or the lower portion of the cover film 10, but in a specific embodiment, the pull portion 12
- the intermediate position on the side of the cover film 10 is set. At this time, the adhesive force on both sides of the pulling portion 12 is relatively uniform, so that the battery 20 can be easily pulled out from the cover film 10.
- the wrapping portion 11 needs to be connected to the battery 20 and the battery compartment, respectively, and the pulling portion 12 only needs to be connected to the battery 20.
- the connection between the package portion 11 and the pulling portion 12 and the battery 20 and the battery compartment will be described in detail below.
- the glue-free region on the wrapping surface divides the first adhesive into three parallel regions.
- the first surface wrapping area 111 and the two second surface wrapping areas 113 are respectively provided with a first adhesive
- the side wrapping area 112 is a glueless area, thereby being in the wrapping part.
- the second surface wrapping area 113 when the second surface wrapping area 113 wraps the battery 20, the second The surface wrapping area 113 only wraps a partial area of the side edges of the second surface 21.
- the side wrapping area 112 is a glue-free area, when the battery 20 is wrapped around the wrapping surface, the side wrapping area 112 does not adhere to the side of the battery 20, so that the battery 20 can be more easily removed from the coating film 10. Pull out.
- a second bonding adhesive is disposed, and the remaining regions are rubber-free regions.
- the second adhesive tape provided on the adhesive surface of the wrapping film 10 is adhesively bonded to the bottom wall of the battery compartment, and the second adhesive is adhered.
- a plurality of bonding regions 115 are disposed in the bonding surface of the cover film 10, and each bonding region 115 has a second bonding adhesive.
- a plurality of single-row aligned bonding regions 115 are formed as shown in FIG. 5, and when the bonding regions 115 traverse the tear lines 14, the bonding regions 115 are interrupted, preventing the lift portions 12 from sticking.
- the glue may be disposed on the surface of the bonding area 115 by coating, and may be sized by other known methods (such as using double-sided tape) as long as the bonding area 115 can be provided with the battery compartment. Other methods of adhesion can be used in embodiments of the invention.
- the pulling portion 12 is only connected to the battery 20, and the first surface bonding portion 114 on the pulling portion 12 is a glueless region, that is, as shown in FIG. 5, the glue application region 115 is The tear line 14 is interrupted, thereby avoiding glue on the pull-up portion 12.
- a third adhesive is disposed on the upper portion of the pulling portion 12, and the wrapping surface of the pulling portion 12 as shown in FIG. 4 is at least partially provided with a third bonding. gum.
- the area of the pulling portion 12 on the side of the side wall of the battery 20 is a glue-free area (shaded area on the pulling portion 12 as shown in FIG. 4), and the other side
- the area is a glued area, that is, the first surface wrapping area 111 on the pulling portion 12 has a first adhesive third adhesive, and the side wrapping area 112 and the second surface wrapping area 113 of the pulling portion 12 are Glue area.
- the pulling portion 12 can be easily pulled up.
- the third adhesive can be the same as the first adhesive. Further, the third adhesive is different from the first adhesive. When the third adhesive is different from the first adhesive, the adhesive force of the third adhesive is greater than the adhesive strength of the first adhesive. Therefore, the adhesion between the lifting portion 12 and the battery 20 is greater than the adhesion between the wrapping portion 11 and the battery 20, further ensuring that the lifting portion 12 can smoothly pull the battery 20 out of the cover film 10.
- the coating film 10 on the side where the pulling portion 12 is located is structurally improved, as shown in FIGS. 4 and 6.
- One side of the cover film 10 has a convex portion 13 which is extended to the side of the side of the cover film 10; the tear line 14 is extended to the convex portion 13, wherein a part of the convex portion 13 belongs to the wrapping portion 11, and the other portion It belongs to the pulling portion 12, and on the boss portion 13, the edge portion of the boss portion 13 is provided with a notch 131 connected to each of the tearing wires 14.
- the position of the notch 131 is set to be low, so that the pulling portion 12 is separated from the wrapping portion 11. And more preferably, the pulling portion 12 is extended to the outside of the boss portion 13, thereby forming a convex-shaped structure. As shown in FIG. 8, the portion of the pulling portion 12 that is extended to the boss portion 13 can be used as a lift.
- the force receiving portion of the portion 12 when the pulling portion 12 is not separated from the wrapping portion 11, pulls the pulling portion 12 by holding the region where the lifting portion 12 is convex to the convex portion 13, thereby pulling the lifting portion 12 and the wrapping portion The portion 11 is separated and the battery 20 is pulled out.
- the pulling portion 12 can be easily pulled. Further, it is more convenient to pull up the pulling portion 12, and the pulling portion 12 extends to The portion inside the boss 13 is a glueless region.
- the adhesive surface of the cover film 10 is attached.
- a protective film (not shown) is attached to protect the second adhesive.
- a protective film is attached to the wrapping surface of the cover film 10 to protect the first adhesive.
- the adhesive force of the first adhesive is less than the second adhesive. Adhesive strength of the glue.
- the first adhesive and the second adhesive can use glue commonly used in the prior art, such as hot melt adhesive.
- the cover film 10 provided by the embodiment of the present application is fabricated in the form of a unitary structure, and the prepared cover film 10 has the function of wrapping the battery 20 and disassembling the battery 20, and the package shown in FIG. Compared with the structure of the battery 20, the structure is simplified and the cost is reduced.
- an embodiment of the present application further provides a battery 20 module including a battery 20 and a coating film 10 of any of the above-mentioned ones.
- the protective film on the cover film 10 needs to be uncovered, and then the battery 20 is bonded to the battery 20 by the first adhesive, and the battery 20 is wrapped.
- the cover film 10 is formed by a unitary structure, and the cover film 10 is divided into two different regions by the tear line 14.
- the pulling portion 12 can separate the lifting portion 12 from the wrapping portion 11 and drive the battery 20 out of the battery compartment, thereby facilitating the disassembly of the battery 20, facilitating the production and processing of the coating film 10.
- the embodiment of the present application further provides a mobile terminal, which may be a common mobile phone, a tablet computer, a notebook computer, or the like.
- the mobile terminal comprises a housing, a battery compartment disposed in the housing, and a fixed
- the battery 20 in the battery compartment is wrapped with the coating film 10 of any of the above.
- the protective film on the cover film 10 needs to be uncovered, and then the battery 20 is bonded to the battery 20 by the first adhesive, and the battery 20 is wrapped.
- the protective film for protecting the second adhesive on the cover film 10 needs to be uncovered, and then the battery 20 module is placed in the battery compartment through the second adhesive. The bottom wall of the battery compartment is bonded.
- the cover film 10 is formed in a unitary structure, and the cover film 10 is divided into two different regions by the tear line 14, and when the battery 20 needs to be detached, it is only required to be pulled through the tear line 14
- the divided lifting portion 12 can separate the lifting portion 12 from the wrapping portion 11 and drive the battery 20 out of the battery compartment, thereby facilitating the disassembly of the battery 20, facilitating the production and processing of the coating film 10.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Computer Hardware Design (AREA)
- Organic Chemistry (AREA)
- Battery Mounting, Suspending (AREA)
- Packages (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Telephone Set Structure (AREA)
Abstract
Description
Claims (14)
- 一种包覆膜,其特征在于,所述包覆膜包括包裹部以及提拉部,且所述提拉部与所述包裹部之间通过撕断线划分;在拉动所述提拉部时,所述撕断线断开,所述提拉部与所述包裹部分离;所述包覆膜具有朝向电池的包裹面以及朝向电池仓的粘接面;其中,所述包裹部的包裹面上,包裹所述电池侧壁的区域为无胶区,除所述无胶区外的第二区域具有第一粘接胶;所述包裹部的粘接面具有第二粘接胶,且所述第一粘接胶的粘接力小于第二粘接胶的粘接力;所述提拉部的包裹面的一部分上具有第三粘接胶;所述提拉部的粘接面为无胶区。
- 根据权利要求1所述的包覆膜,其特征在于,所述撕断线为两条,两条撕断线平行设置,所述包覆膜上设置有通孔,每条撕断线延伸到所述通孔。
- 根据权利要求1所述的包覆膜,其特征在于,所述撕断线为一条,所述撕断线为U形,且所述撕断线的两端延伸到所述包覆膜的同一侧边。
- 根据权利要求1~3任一项所述的包覆膜,其特征在于,所述包覆膜的一侧具有外延到所述包覆膜侧边外的凸起部;所述撕断线外延到所述凸起部。
- 根据权利要求4所述的包覆膜,其特征在于,所述凸起部的边沿位置设置有与每个撕断线连接的缺口。
- 根据权利要求4或5所述的包覆膜,其特征在于,所述提拉部延伸到所述凸起部内的部分为无胶区。
- 根据权利要求4~6任一项所述的包覆膜,其特征在于,所述提拉部部分位于所述凸起部外。
- 根据权利要求1~7任一项所述的包覆膜,其特征在于,所述包裹面上的无胶区将所述第一粘接胶分割成三个平行的区域。
- 根据权利要求1~8任一项所述的包覆膜,其特征在于,所述撕断线为双层撕断线。
- 根据权利要求1~9任一项所述的包覆膜,其特征在于,所述包覆膜的粘接面上贴附有保护膜。
- 根据权利要求1~10任一项所述的包裹膜,其特征在于,所述第三粘接胶与第一粘接胶相同。
- 根据权利要求1~10任一项所述的包裹膜,其特征在于,所述第三粘接胶与第一粘接胶不同,所述第三粘接胶的粘接力大于所述第一粘接胶的粘接力。
- 一种电池模块,其特征在于,包括电池以及包裹所述电池的如权利要求1~12任一项所述的包覆膜。
- 一种移动终端,其特征在于,包括壳体,设置在所述壳体内的电池仓,以及固定在所述电池仓内的电池,所述电池上包裹有如权利要求1~12任一项所述的包覆膜。
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JP2020518671A JP7036405B2 (ja) | 2017-10-27 | 2017-10-27 | パッケージングフィルム、バッテリモジュール及びモバイル端末 |
PCT/CN2017/108122 WO2019080121A1 (zh) | 2017-10-27 | 2017-10-27 | 一种包覆膜、电池模块及移动终端 |
CN201780070440.6A CN109952667B (zh) | 2017-10-27 | 2017-10-27 | 一种包覆膜、电池模块及移动终端 |
KR1020207011953A KR102356350B1 (ko) | 2017-10-27 | 2017-10-27 | 패키징 필름, 배터리 모듈 및 이동 단말기 |
US16/757,931 US11569540B2 (en) | 2017-10-27 | 2017-10-27 | Packaging film, battery module, and mobile terminal |
EP17929752.8A EP3678217A4 (en) | 2017-10-27 | 2017-10-27 | COATING FILM, BATTERY MODULE AND MOBILE TERMINAL |
AU2017437315A AU2017437315B2 (en) | 2017-10-27 | 2017-10-27 | Packaging film, battery module, and mobile terminal |
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JP (1) | JP7036405B2 (zh) |
KR (1) | KR102356350B1 (zh) |
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CN111935341A (zh) * | 2020-07-15 | 2020-11-13 | 华勤通讯技术有限公司 | 易拉胶安装结构及电子设备 |
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CN110636746B (zh) * | 2019-09-17 | 2021-02-26 | 华为技术有限公司 | 一种散热装置及终端设备 |
CN110504400B (zh) * | 2019-09-26 | 2023-04-07 | 闻泰通讯股份有限公司 | 电池固定结构 |
CN112300723B (zh) * | 2020-10-31 | 2022-06-17 | 东莞新能德科技有限公司 | 电池包装膜、应用所述电池包装膜的电池组件及电子装置 |
KR20220110994A (ko) * | 2021-02-01 | 2022-08-09 | 삼성전자주식회사 | 배터리 구조체 및 이를 포함하는 전자 장치 |
CN114616816B (zh) * | 2021-07-16 | 2023-04-11 | 荣耀终端有限公司 | 一种电子设备 |
CN113818589B (zh) * | 2021-09-27 | 2022-09-16 | 宁波联兴市政园林工程有限公司 | 一种保温墙体结构及其施工方法 |
CN114335663B (zh) * | 2021-12-17 | 2024-03-15 | 上海瑞浦青创新能源有限公司 | 梯次利用电芯、电池模组及其梯次利用电芯的拆卸方法 |
CN114883735A (zh) * | 2022-06-17 | 2022-08-09 | 维沃移动通信有限公司 | 电池组件和电子设备 |
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AU2017437315B2 (en) | 2021-11-18 |
KR20200056449A (ko) | 2020-05-22 |
US20200266399A1 (en) | 2020-08-20 |
EP3678217A4 (en) | 2020-10-14 |
US11569540B2 (en) | 2023-01-31 |
AU2017437315A1 (en) | 2020-04-23 |
CN109952667B (zh) | 2021-06-22 |
JP2021500698A (ja) | 2021-01-07 |
CN109952667A (zh) | 2019-06-28 |
KR102356350B1 (ko) | 2022-02-08 |
EP3678217A1 (en) | 2020-07-08 |
JP7036405B2 (ja) | 2022-03-15 |
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