CN213878219U

CN213878219U - Novel battery protection film

Info

Publication number: CN213878219U
Application number: CN202022781710.6U
Authority: CN
Inventors: 安宏娟; 陈颖颖
Original assignee: Huizhou Desay Battery Co Ltd
Current assignee: Huizhou Desay Battery Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-03
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to the technical field of protective films, in particular to a novel battery protective film which is applied to a battery attached with a wrapping film, wherein the battery is provided with a FPC (flexible printed circuit); the shape of the protective film is matched with that of the battery, and a through hole is formed in one end, corresponding to the FPC, of the protective film; the protective film comprises a front surface and a back adhesive surface, wherein the back adhesive surface is provided with an attachment area, a first adhesive-free area and a second adhesive-free area which are connected with the attachment area; the utility model provides a novel battery protection film, when tearing off this protection film, can guarantee that the yard of spouting on battery surface is deinked, realizes normally sweeping the sign indicating number, also can not influence the stability of parcel membrane simultaneously, avoids floating the bad phenomenon that causes; the design of through-hole can release FPC stress, makes the protection film effectively attached with the battery entity, prevents that the protection film from taking up, can also fix FPC's size position simultaneously, ensures the controllability and the stability of processing.

Description

Novel battery protection film

Technical Field

The utility model relates to a protection film technical field especially relates to a novel battery protection film.

Background

The battery packaging is that the battery core, the protection circuit and other adhesive paper auxiliary materials are organically combined together, and the protection can be started under the abnormal conditions of overcharge, overdischarge or overcurrent and the like, so that the use safety is ensured.

PET protective films have good transparency and smoothness, good chemical resistance, low surface resistivity, and easy recycling, and are therefore popular in the market. The PET protective film is processed and formed by silica gel, can be used for being attached to the surface of a battery, and has the following main functions: the battery protection device can effectively prevent the surface of the battery from being scratched and abraded, prevent dust from being collected on the surface of the battery and avoid the FPC (flexible printed circuit) at the head of the battery from tilting.

However, in practical application, it is found that when the PET protective film is torn off, the ink-sprayed codes on the surface of the battery are deinked due to the viscosity of the protective film, so that subsequent code sweeping is affected, and when the PET protective film is torn off, the handle position of the wrapping film is pulled, so that the wrapping film floats to cause defects, and in addition, the FPC at the head of the battery is easy to tilt.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems that the PET protective film is torn off to cause ink-jet printing and deinking on the surface of the battery, the wrapping film floats and the FPC at the head of the battery is easy to tilt, the utility model provides a novel battery protective film which can ensure that the ink-jet printing on the surface of the battery is not deinked, realize normal code sweeping and simultaneously can not influence the stability of the wrapping film; the dimension position of the FPC is fixed, and the controllability and the stability of processing are ensured.

In order to solve the technical problem, the utility model provides a concrete scheme as follows:

a novel battery protective film is applied to a battery attached with a wrapping film, and the battery is provided with an FPC (flexible printed circuit);

the shape of the protective film is matched with that of the battery, and a through hole is formed in one end, corresponding to the FPC, of the protective film;

the protection film includes front and gum face, be equipped with attached district on the gum face and the first no gluey district and the second no gluey district of being connected with attached district.

Optionally, be equipped with the handle position on the protection film, be convenient for tear the protection film from the base stock and adhere to the battery surface, also be convenient for tear the protection film from the battery surface simultaneously.

Optionally, the handle position is located at the upper end of the protective film, so that the handle position is convenient to operate.

Optionally, an FPC adhesive area is formed between the edge of the upper end of the through hole and the edge of the upper end of the protective film, and the handle position is located at the left end or the right end of the FPC adhesive area, so that the handle position is convenient to operate.

Optionally, a virtual knife line is arranged between the left end of the through hole and the left side edge of the protective film, and a virtual knife line is arranged between the right end of the through hole and the right side edge of the protective film, so that stress generated when the protective film is turned over is reduced, the protective film is more easily bent, and meanwhile, the bending position can be fixed.

Optionally, a color label is arranged on the handle position, so that the function of highlighting is achieved, and the portability of operation is improved.

Optionally, the battery is a rectangular body, the protective film is rectangular, the through hole is a rectangular through hole, and the protective film is mainly applied to the battery mobile phone, so that the appearance design of the protective film conforms to the appearance of the battery, the battery is prevented from being scratched or punctured, and the PFC is prevented from being crushed in the carrying and mobile phone assembling processes.

Optionally, the first glue-free area and the second glue-free area are both rectangular, and the rectangular glue-free area can facilitate processing of the protective film.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a novel battery protection film, when tearing off this protection film, can guarantee that the yard of spouting on battery surface is deinked, realizes normally sweeping the sign indicating number, also can not influence the stability of parcel membrane simultaneously, avoids floating the bad phenomenon that causes; the design of through-hole can release FPC stress, makes the protection film effectively attached with the battery entity, prevents that the protection film from taking up, can also fix FPC's size position simultaneously, ensures the controllability and the stability of processing.

Drawings

Fig. 1 is a schematic structural diagram of the novel battery protection film provided by the present invention.

Fig. 2 is the utility model provides a pair of novel battery protection film's application scene sketch map.

Fig. 3 is a schematic structural diagram of another novel battery protection film provided by the present invention.

Wherein, 1 is a protective film; 11 is an attaching area; 12 is a first adhesive-free area; 13 is a second glue-free zone; 2 is a through hole; 3 is a handle position; 4 is a virtual knife line; 5 is a battery; and 6 is FPC.

Detailed Description

In order to explain the technical solution of the present invention in detail, the following will combine the drawings of the embodiments of the present invention to perform clear and complete description on the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

For example, a novel battery protective film is applied to a battery to which a wrapping film is attached, the battery being provided with an FPC; the shape of the protective film is matched with that of the battery, and one end, corresponding to the FPC, of the protective film is provided with a through hole; the protection film includes front and gum face, is equipped with attached district on the gum face and does not have gluey district of first and the second of being connected with attached district.

When the novel battery protective film provided by the embodiment is torn off, the sprayed code on the surface of the battery can be ensured not to be deinked, normal code scanning is realized, meanwhile, the stability of the wrapping film is not influenced, and the adverse phenomenon caused by floating is avoided; the design of through-hole can release FPC stress, makes the protection film effectively attached with the battery entity, prevents that the protection film from taking up, can also fix FPC's size position simultaneously, ensures the controllability and the stability of processing.

As shown in fig. 1 and 2, a novel battery protection film is applied to a battery 5 attached with a wrapping film, and the wrapping film is mainly used for meeting the built-in requirement of a mobile phone battery under the development of the current market. Wrapping up in the membrane including the parcel membrane handle, the setting of parcel membrane handle can be convenient for dismantle out the battery from the cell-phone battery compartment, and in order to prevent effectively that battery surface fish tail, wearing and tearing and prevent that battery surface from collecting the dust, need be at this novel battery protection film, hereinafter for short the protection film on the surface of battery is attached.

The shape of the protective film is matched with the shape of the battery, the shape design of the protective film is matched with the shape of the battery, the effect of preventing the battery from being scratched or punctured can be achieved, and the FPC6 is guaranteed not to be crushed in the carrying and mobile phone assembling processes; one end of the protective film 1 corresponding to the FPC is provided with a through hole 2, the through hole can play a role in releasing stress, so that the protective film is effectively attached to a battery entity, meanwhile, the protective film can be prevented from being brought up, the effect of fixing the FPC is played, and controllability and stability of a processing process are ensured.

The protective film 1 comprises a front surface and a back adhesive surface, wherein the back adhesive surface is provided with an attaching area 11, and a first adhesive-free area 12 and a second adhesive-free area 13 which are connected with the attaching area.

Specifically, first no gluey district corresponds parcel membrane handle position, and the no gluey district of second corresponds the battery and spouts a yard position, will correspond parcel membrane handle position and battery and spout a protection film that a yard position part sets up to no gluey district, when tearing this protection film, can guarantee that the sign indicating number on battery surface is not deinked, realizes normally sweeping the sign indicating number, also can not influence the stability of parcel membrane simultaneously, avoids floating the bad phenomenon that causes.

Through practice verification analysis many times, the protection film that provides in this application, the material satisfies three anti requirements: the electrostatic voltage of the protective film is less than 500V after the film is torn, and the surface voltage of the battery is less than 500V after the film is torn; second, the friction voltage is less than 100V; thirdly, the resistivity is in the range of 104-1010 omega. In order to prevent the adhesiveness of the protective film from being too low, resulting in the detachment of the battery during transportation, and the adhesiveness of the protective film from being too high, and to pull the surface of the battery to wrinkle when the film is peeled, the present application provides a protective film having an adhesiveness in the range of 18 to 25gf/25mm under a 180 DEG peel force.

In some embodiments, the protective film 1 is provided with a handle position 3, which facilitates tearing the protective film from the base paper to attach to the surface of the battery, and also facilitates tearing the protective film from the surface of the battery.

Specifically, the handle position is located the upper end of protection film, is convenient for operate the handle position. In order to play a role of highlighting and improve the portability of operation, a color label is arranged on the handle position.

In some embodiments, as shown in fig. 3, an FPC tape region is formed between the upper end edge of the through hole and the upper end edge of the protective film, and the handle position is located at the left end or the right end of the FPC tape region, so that the handle position can be conveniently operated.

Be equipped with virtual tool line 4 between the left end of through-hole and the left side limit of protection film, be equipped with virtual tool line between the right-hand member of through-hole and the right side limit of protection film, be convenient for reduce the stress when rolling over and rolling over, make the protection film change and buckle, also can make the position of buckling comparatively fixed simultaneously.

In order to protect the battery from being damaged in the whole process, a protective film is attached to the surface of the battery when the battery is delivered from a PACK factory and used for pressing the FPC to prevent the FPC from tilting. In the complete machine assembling process, during lock connector position, need turn over the FPC rubberizing district and turn over, after the lock is accomplished, paste the FPC rubberizing district again and get back to on the PFC, but turn over the in-process, because protection film material itself is harder, be difficult to turn over and roll over, and turn over the difference in position every time when rolling over, paste back the position and also differentiate, it is poor to lead to the uniformity of product, therefore, this example is through setting up virtual knife line, be convenient for reduce the stress when rolling over and rolling over, make the protection film change and buckle, it is comparatively fixed also to make the position of buckling simultaneously.

In some embodiments, the battery is rectangular, the protective film is rectangular, and the through hole is a rectangular through hole, and the protective film is mainly applied to the battery mobile phone, so that the shape design of the protective film is matched with the shape of the battery, the effect of preventing the battery from being scratched or punctured is achieved, and the PFC cannot be crushed in the carrying and mobile phone assembling processes.

First no gluey district and second do not have gluey district and are the rectangle form, and the no gluey district of rectangle form can make the processing of protection film more convenient.

Because be provided with the parcel membrane on the battery, including the parcel membrane handle, if will attach the district attached to the parcel membrane handle, when tearing the protection film body, can pull the parcel membrane handle, make it float and cause badly, consequently, first gluey district mainly corresponds attached on the parcel membrane handle, and the processing that the first gluey district of rectangle form can make the protection film is more convenient.

The mobile phone battery is usually sprayed with identification codes or mobile phone battery related information, if the attaching area is attached to the information, when the protective film body is torn, the information part is easily affected, therefore, the second non-glue area mainly corresponds to the attaching area and is attached to the mobile phone battery information, and the second non-glue area in a rectangular shape can enable the protective film to be processed more conveniently.

The utility model provides a novel battery protection film, when tearing off this protection film, can guarantee that the yard of spouting on battery surface is deinked, realizes normally sweeping the sign indicating number, also can not influence the stability of parcel membrane simultaneously, avoids floating the bad phenomenon that causes; the design of through-hole can release FPC stress, makes the protection film effectively attached with the battery entity, prevents that the protection film from taking up, can also fix FPC's size position simultaneously, ensures the controllability and the stability of processing.

It is understood that different embodiments among the components in the above embodiments can be combined and implemented, and the embodiments are only for illustrating the implementation of specific structures and are not limited to the implementation of the embodiments.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The novel battery protective film is characterized by being applied to a battery attached with a wrapping film, wherein the battery is provided with an FPC (flexible printed circuit);

the shape of the protective film (1) is matched with that of the battery, and a through hole (2) is formed in one end, corresponding to the FPC, of the protective film (1);

protection film (1) is including front and gum face, be equipped with attached district (11) on the gum face and do not have gluey district (12) and second of being connected with attached district and do not have gluey district (13).

2. The novel battery protection film according to claim 1, wherein a handle position (3) is arranged on the protection film (1).

3. The novel battery protection film according to claim 2, wherein the handle position (3) is located at the upper end of the protection film (1).

4. The novel battery protection film according to claim 2, wherein an FPC adhesive region is formed between the upper end edge of the through hole (2) and the upper end edge of the protection film (1), and the handle position (3) is located at the left end or the right end of the FPC adhesive region.

5. The novel battery protection film according to claim 4, wherein a virtual knife line (4) is arranged between the left end of the through hole (2) and the left side of the protection film (1), and a virtual knife line (4) is arranged between the right end of the through hole (2) and the right side of the protection film (1).

6. The novel battery protection film according to claim 2, wherein a color label is provided on the handle position (3).

7. The novel battery protection film according to claim 1, wherein the battery is rectangular, the protection film (1) is rectangular, and the through hole (2) is a rectangular through hole.

8. The novel battery protective film according to claim 1, wherein the first adhesive-free region (12) and the second adhesive-free region (13) are both rectangular.