CN106098999B

CN106098999B - Battery structure and mobile terminal comprising same

Info

Publication number: CN106098999B
Application number: CN201610633584.5A
Authority: CN
Inventors: 袁庆丰; 卢苇; 吴飞; 王可飞; 曾巧; 肖良针
Original assignee: Dongguan Amperex Technology Ltd
Current assignee: Dongguan Amperex Technology Ltd
Priority date: 2016-08-04
Filing date: 2016-08-04
Publication date: 2020-05-19
Anticipated expiration: 2036-08-04
Also published as: CN106098999A

Abstract

The application relates to the technical field of mobile terminal production, in particular to a battery structure and a mobile terminal with the same. The battery structure comprises a battery and an adhesive tape, wherein the battery comprises an adhesive surface, the adhesive surface is provided with a non-adhesive area, and the non-adhesive area is positioned in the middle of the length direction of the battery and penetrates through the adhesive surface along the width direction of the battery; the adhesive tapes are arranged on two sides of the non-adhesive area. This application need not consider the thickness of pasting the sticky tape, and can utilize the thickness of pasting the sticky tape, makes battery, pastes sticky tape and battery compartment enclose into the deformation and holds the chamber to reduce the thickness in battery compartment.

Description

Battery structure and mobile terminal comprising same

Technical Field

The application relates to the technical field of mobile terminal production, in particular to a battery structure and a mobile terminal with the same.

Background

At present of the high-speed development of informatization, mobile terminals such as mobile phones, tablet computers, MP3, MP4, digital cameras and the like use built-in soft package batteries, such batteries generally include a battery cell and an adhesive tape, the battery cell is in a strip shape, and includes two opposite surfaces, namely an appearance surface and a rubberizing surface, the rubberizing surface is fully pasted with the adhesive tape, and the battery cell is fixed in a battery compartment through the adhesive tape.

However, in the conventional battery structure, since the adhesive tape is disposed on the adhesive surface, in the actual use process of the electronic product, along with the circulation of the battery core, the battery will expand and deform at the middle part along the length direction toward the surface where the battery compartment is adhered to the adhesive surface, and therefore, when designing the battery compartment, a deformation accommodating space for the battery needs to be reserved.

Disclosure of Invention

The application provides a battery structure and contain mobile terminal of this structure, can avoid the thickness increase in battery compartment.

A first aspect of the application provides a battery structure, which comprises a battery and a sticky tape, wherein the battery comprises a sticky surface, the sticky surface is provided with a non-sticky area, and the non-sticky area is located in the middle of the length direction of the battery and penetrates through the sticky surface along the width direction of the battery; the adhesive tapes are arranged on two sides of the non-adhesive area.

Preferably, four groups of adhesive tapes are arranged and respectively adhered to four corners of the adhesive surface, and a gap is reserved between every two adjacent groups of adhesive tapes.

Preferably, four sets of the adhesive tapes are symmetrical about a center line parallel to a length direction of the battery.

Preferably, four sets of the adhesive tapes are symmetrical about a center line parallel to the width direction of the battery.

Preferably, each set of said adhesive tapes comprises at least one sub-tape.

Preferably, the extending direction of the sub tape is parallel to the width direction or the length direction of the battery.

Preferably, two spaced apart sets of the adhesive tape sub-tapes extend along a diagonal of the cell.

Preferably, the sub tape comprises rectangular and/or triangular segments.

Preferably, the sub tape comprises a rectangular section and a triangular section, the rectangular section is close to the edge of the battery, one side of the triangular section is connected with one side of the rectangular section, and one corner of the triangular section opposite to the rectangular section extends along the extending direction of the sub tape.

Preferably, a pull tab is further included, the pull tab being attached to the adhesive tape and extending out of the battery.

Preferably, the total area of the adhesive tape is 20-60% of the area of the adhesive surface.

A second aspect of the application provides a mobile terminal, including battery compartment and as above any battery structure, battery structure passes through paste the sticky tape install in the battery compartment, the battery paste the sticky tape and the battery compartment encloses into deformation and holds the chamber.

The technical scheme provided by the application can achieve the following beneficial effects:

this application will paste the sticky tape and set up the both sides in non-rubberizing district respectively, install in the battery compartment after the battery, because the battery is provided with non-rubberizing district along length direction's mid portion, this region does not set up pastes the sticky tape, the battery, it can enclose into deformation and hold the chamber to paste sticky tape and battery compartment, and this deformation holds the chamber relative with the mid portion of battery, in the battery use, when electric core takes place deformation, the chamber is held to the deformation to mid portion is protruding, therefore, the thickness of pasting the sticky tape need not be considered to this kind of structure, and can utilize the thickness of pasting the sticky tape, make the battery, it encloses into deformation and holds the chamber to paste sticky tape and battery compartment, thereby reduce the thickness of battery compartment.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a schematic structural diagram of one embodiment of a battery structure provided herein;

FIG. 2 is a schematic diagram of one embodiment of a battery structure provided herein;

FIG. 3 is a schematic diagram of another embodiment of a battery structure provided herein;

FIG. 4 is a schematic structural diagram of another embodiment of a battery structure provided herein;

FIG. 5 is a schematic diagram of another embodiment of a battery structure provided herein;

FIG. 6 is a schematic structural diagram of another embodiment of a battery structure provided herein;

fig. 7 is a schematic structural diagram of another embodiment of a battery structure provided in the present application.

Reference numerals:

1-a battery;

2-sticking adhesive tape;

21-son adhesive tape;

211-rectangular segment;

212-triangular segment;

and 3, pulling the tongue.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings. The terms "front", "rear", "left", "right", "upper" and "lower" are used herein with reference to the placement in the drawings.

The embodiment of the application provides a mobile terminal, like cell-phone, panel computer, MP3, MP4, digital camera etc. including battery compartment and battery structure, the battery structure includes battery 1 and pastes sticky tape 2, and the battery structure installs in the battery compartment through pasting sticky tape 2, and battery 1, paste sticky tape 2 and battery compartment enclose into the deformation and hold the chamber.

Specifically, as shown in fig. 1 to 7, the battery 1 is generally a rectangular structure, and includes a rubberized surface, which is generally rectangular, and the rubberized surface is provided with a non-rubberized region, which is located in the middle of the length direction of the battery 1 and penetrates through the rubberized surface along the width direction of the battery 1; the adhesive tapes 2 are respectively arranged on two sides of the non-adhesive area, namely, the two sides of the non-adhesive area along the length direction of the battery 1 are respectively provided with the adhesive tapes.

In the embodiment, the adhesive tapes are respectively arranged at two sides of the non-adhesive area, after the battery is installed in the battery compartment, because the middle part of the battery 1 along the length direction is provided with the non-adhesive area, and the adhesive tape is not arranged in the area, the battery 1, the adhesive tape 2 and the battery compartment can enclose the deformation accommodating cavity, and the deformation accommodating cavity is opposite to the middle part of the battery 1, when the battery 1 deforms in the use process of the battery, the middle part protrudes to the deformation accommodating cavity, therefore, the thickness of the adhesive tape 2 does not need to be considered in the structure, and the thickness of the adhesive tape 2 can be utilized to enable the battery 1, the adhesive tape 2 and the battery compartment to enclose the deformation accommodating cavity, so that the thickness of the battery compartment is reduced; and the adhesive tape 2 is only arranged on both sides, so that the area of the adhesive tape 2 is reduced, and the adhesive tape 2 can be prevented from being broken when the battery 1 is detached.

The adhesive tapes 2 of the above embodiment may be respectively provided with one or more groups on both sides of the adhesive area, preferably, the adhesive tapes 2 are provided with four groups, and are respectively adhered to four corners of the adhesive surface, that is, two groups of adhesive tapes 2 are respectively provided on both sides of the non-adhesive area, and a gap is left between two adjacent groups of adhesive tapes 2. The adhesive tapes 2 are arranged at four corners, so that a larger space can be reserved in a non-adhesive area to accommodate the expansion deformation of the battery 1; in addition, the bonding force of the adhesive tape 2 to the battery can be balanced in the mode, so that the internal stress is balanced, and the deformation of the adhesive tape is relieved.

In the above embodiments, the adhesive tapes 2 of each set may be symmetrical only about a center line parallel to the longitudinal direction of the battery 1, may be symmetrical about a center line parallel to the width direction of the battery 1, or may be symmetrical about both the longitudinal direction and the width direction, as shown in fig. 1 to 3, so as to further balance the adhesion force of the adhesive tapes 2 to the battery, thereby balancing the internal stress thereof and alleviating the deformation thereof. Of course, the adhesive tape 2 may be arranged irregularly.

The two adjacent adhesive tapes 2 in the above embodiments may be located on the same side of the adhesive surface, such as on the same long side or the same short side, or on different sides.

Each of the adhesive tapes 2 in the above embodiments at least includes one sub-tape 21, that is, each of the adhesive tapes 2 may only include one sub-tape 21 (as shown in fig. 2-6), or may include a plurality of sub-tapes 21, for example, two sub-tapes (as shown in fig. 1), three or more sub-tapes, and in an embodiment including a plurality of sub-tapes 21, the plurality of sub-tapes 21 may be arranged along the length direction of the cell 1, may be arranged along the width direction, or may be arranged along other directions, or may be arranged irregularly. Each group of adhesive tapes 2 preferably comprises only one sub-tape 21, as shown in fig. 2 to 6, in order to save assembly steps and to facilitate subsequent disassembly.

In the above embodiment, the sub tapes 21 in the same set of adhesive tapes 2 may be located on the same side, long side or short side of the adhesive surface, or on different sides.

In the above embodiment including the sub tape 21, the extending direction of the sub tape 21 is parallel to the width direction or the length direction of the battery 1, and the sub tape 21 may also extend along the diagonal direction of the battery 1, or extend along other directions, preferably parallel to the width direction, the length direction or the diagonal direction of the battery 1, so as to facilitate the arrangement of the adhesive tapes 2.

In the embodiment in which the sub tapes 21 extend along the diagonal line parallel to the battery 1, particularly in the embodiment in which four sets of the adhesive tapes 2 are provided, the sub tapes 21 of the two spaced sets of the adhesive tapes 2 extend along the diagonal line of the battery 1, and particularly in the embodiment in which only one sub tape 21 is provided for each set of the adhesive tapes 2, the adhesive force of the adhesive tapes 2 can be better balanced, and the internal stress thereof can be balanced, and the deformation thereof can be alleviated.

In the above embodiments, the sub tape 21 may include one shape or a plurality of shapes, and the shape may be a rectangle, a triangle, or other shapes. The sub tape 21 may include only the rectangular section 211 (as shown in fig. 2), or only the triangular section 212 (as shown in fig. 5-6), or may include both the rectangular section 211 and the triangular section 212 (as shown in fig. 3-4). Further, the shape of the sub-tapes 21 in each set of the adhesive tapes 2 may be the same (as shown in fig. 2-4) or different (as shown in fig. 5-6), and the shape of the sub-tapes 221 in the same set of the adhesive tapes 2 may be the same (as shown in fig. 1) or different (not shown), and preferably, the shape of the sub-tapes 21 in each set of the adhesive tapes 2 is the same, and the shape of the sub-tapes 21 in the same set of the adhesive tapes 2 is also the same, so as to facilitate the arrangement of the adhesive tapes 2.

Preferably, the sub tape 21 comprises a rectangular section 211 and a triangular section 212, the triangular section 212 may be a right triangle or an isosceles triangle, preferably an isosceles triangle, as shown in fig. 3-4, and the rectangular section 211 is close to the edge of the battery 1, one side of the triangular section 212 (preferably one side that is not an isosceles triangle in the embodiment where the triangle is an isosceles triangle) is connected with one side of the rectangular section 211, and one corner of the triangular section 212 opposite to the rectangular section 211 extends along the extending direction of the sub tape 21. Through this structure can increase the adhesive force of the edge of battery 1 and battery compartment, and reduce the adhesive force that battery 1 is close to the center, and then prevent the stretch-break of pasting sticky tape 2.

In the above embodiments, the total area of the adhesive tape 2 is 20% to 60%, such as 20%, 30%, 40%, 50%, 60%, of the area of the adhesive surface, so as to ensure the reliability of the connection between the battery 1 and the battery compartment, and at the same time, prevent the adhesive tape 2 from having too large area, which makes the detachment of the battery 1 difficult, and avoid the breakage of the adhesive tape 2 when the battery 1 is detached. Of course, the total area of the adhesive tape 2 may be 10% or 65%, 70%, or the like of the area of the adhesive surface.

The battery structure of each embodiment further comprises a pull tab 3, the pull tab 3 is connected to the adhesive tape 2 and extends out of the battery 1, and the battery 1 can be conveniently detached by adding the pull tab 3. Tab 3 may be either annular in configuration (as shown in fig. 4) or rectangular in configuration (as shown in fig. 1-3). In each set of adhesive tapes 2, the pull tabs 3 of each set may have different structures (as shown in FIG. 5) or the same structures (as shown in FIG. 6). The sub-tapes of each set of adhesive tapes 2 can be attached to the same pull tab 3 at the same time (as shown in fig. 7) or to one pull tab 3, respectively, and in the case of attachment to one pull tab 3, the pull tabs 3 of the same set of adhesive tapes 2 can be of the same or different construction.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mobile terminal, comprising a battery compartment and a battery structure;

the battery structure comprises a battery and a sticky adhesive tape, and the battery structure is arranged on the battery compartment through the sticky adhesive tape;

the battery comprises a rubberizing surface, the rubberizing surface is provided with a non-rubberizing area, and the non-rubberizing area is located in the middle of the length direction of the battery and penetrates through the rubberizing surface along the width direction of the battery; the adhesive tapes are arranged on two sides of the non-adhesive area;

four groups of adhesive tapes are arranged and are respectively adhered to four corners of the adhesive surface, and a gap is reserved between every two adjacent groups of adhesive tapes;

the adhesive tape also comprises a pull tab, the pull tab is connected with the adhesive tape and extends out of the battery, and the total area of the adhesive tape is 20-60% of the area of the adhesive surface;

each group of the adhesive tapes at least comprises one sub adhesive tape;

the extending direction of the sub-adhesive tapes is parallel to the width direction or the length direction of the battery;

or, the two spaced adhesive tapes extend along the diagonal direction of the battery.

2. The mobile terminal of claim 1, wherein four sets of the adhesive tapes are symmetrical about a center line parallel to a length direction of the battery.

3. The mobile terminal of claim 1, wherein four sets of the adhesive tapes are symmetrical about a center line parallel to a width direction of the battery.

4. The mobile terminal of claim 1, wherein the battery, the adhesive tape and the battery compartment enclose a deformation accommodating cavity.