CN213936469U

CN213936469U - Battery and terminal equipment

Info

Publication number: CN213936469U
Application number: CN202023196855.6U
Authority: CN
Inventors: 袁敏
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-10
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a battery and terminal equipment, the battery includes electric core and protection shield, the top end face of electric core is equipped with electric core banding and a pair of utmost point ear perpendicularly protrudingly, the utmost point ear includes the first part that extends from the electric core banding, the second part perpendicular to electric core banding and the third part that is on a parallel with the first part, the first part and the third part are connected to the second part, the first part, the third part are the fillet with the junction of second part respectively; the protection plate comprises a circuit main board and a flexible circuit board connected with the circuit main board in a bending mode, one surface of the circuit main board is convexly provided with a pair of conductive pieces, a pair of lugs is connected with the pair of conductive pieces in a one-to-one correspondence mode, the conductive pieces are provided with conductive grooves, and the third parts of the lugs are embedded into the conductive grooves. The bending part of the tab of the battery provided by the utility model is in fillet transition, so that the bending part of the tab is not easy to be pulled and damaged; the tab protection piece is arranged in the tab bending area and used for fixing a fillet, so that the fillet at the tab bending position is not easy to damage.

Description

Battery and terminal equipment

Technical Field

The utility model relates to an electronic components technical field, concretely relates to battery and terminal equipment.

Background

The 3C product is a generic name of computer products, communication products, and consumer electronics products, and is also called "information appliance". Such as a computer, a tablet computer, a cell phone, or a digital audio player, etc. Since the volume of 3C products is generally not large, a small character is added in the middle of the 3C products, so the 3C products are generally called as small 3C household appliances. Such electronic devices need to be powered by a battery disposed inside the device. The battery generally includes a battery cell and a protection plate, the head of the battery cell has a tab, the tab is connected with the protection plate by spot welding, and the protection plate can provide protection for the battery cell in the charging or discharging process.

However, the whole machine of this kind of electronic equipment can appear in the use often and fall the condition, the protection shield can be along with the whole machine falls and takes place vibrations, because utmost point ear direct bending welding is on the protection shield, and adopt dupont paper Nomex (Nuo Mei Kesi) viscose protection shield from the head of fixing protection shield and electric core, electric core utmost point ear can be dragged to the protection shield in vibrations process, and the anodal utmost point ear of electric core is the aluminium material, pull the back many times, the rupture can take place for utmost point ear, lead to the battery not to have output voltage, can't charge.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a battery and a terminal device.

In a first aspect, an embodiment of the present invention provides a battery, including a battery cell and a protection plate, where a battery cell edge seal and a pair of tabs are vertically and convexly disposed on a top end surface of the battery cell, where the tabs include a first portion extending from the battery cell edge seal, a second portion perpendicular to the battery cell edge seal, and a third portion parallel to the first portion, the second portion connects the first portion and the third portion, and junctions of the first portion, the third portion, and the second portion are respectively formed as round corners;

the protection plate comprises a circuit main plate and a flexible circuit board connected with the circuit main plate in a bending mode, a pair of conductive pieces is arranged on one surface of the circuit main plate in a protruding mode, a pair of tabs are connected with the conductive pieces in a one-to-one correspondence mode, the conductive pieces are provided with conductive grooves, and the third portions of the tabs are embedded into the conductive grooves.

Optionally, a tab protection piece is arranged between the first portion and the third portion of each tab, and the joint of the first portion and the second portion and the joint of the third portion and the second portion respectively abut against the tab protection piece.

Optionally, the tab protector is a protective foam.

Optionally, an elastic bonding piece is attached between the side, protruding provided with the conductive piece, of the circuit main board and the cell edge seal.

Optionally, the bonding member is foam cotton.

Optionally, the top end face and the battery cell sealed edge form an accommodating space, and the protection plate is located in the accommodating space.

Optionally, a silica gel gasket is arranged on the end face of the top, and the protection plate is arranged on the silica gel gasket.

Optionally, the flexible circuit board includes a bending portion and a main body portion that are integrally connected, the bending portion connects the circuit main board and the main body portion, and the main body portion is located on a side of the circuit main board that faces away from the conductive component.

Optionally, the battery further includes a support, the support has an opening end facing the battery cell sealed edge, the circuit board is located in the support, the bending portion extends out of the preset opening of the support, and the main body portion is located on the outer side of the support.

In a second aspect, embodiments of the present invention provide a terminal device, including the above battery.

The embodiment of the utility model provides a technical scheme has following beneficial effect:

the round corner transition is arranged at the bending part of the tab of the battery, so that the bending part of the tab is not easy to be pulled and damaged; a tab protection piece is arranged in the tab bending area and used for fixing a fillet, so that the fillet at the tab bending position is further ensured not to be easily damaged; the top end face of the battery cell is adhered to the protection plate through the adhering piece with certain extensibility, so that the adhering area and the adhering strength are effectively improved, and the stability of the protection plate is improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is an exploded schematic view of a battery according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a tab of a battery according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a protection plate of a battery according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a support of a battery according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 4, an embodiment of the present invention provides a battery, including a battery core 1 and a protection plate 2, a top end surface 3 of the battery core 1 is vertically provided with a battery core edge sealing 4 and a pair of tabs 5, each tab 5 includes a first portion 51 extending from the battery core edge sealing 4, a second portion 52 perpendicular to the battery core edge sealing 4, and a third portion 53 parallel to the first portion 51, the second portion 52 connects the first portion 51 and the third portion 53, and joints of the first portion 51, the third portion 53, and the second portion 52 are respectively in a round angle;

the protection plate 2 includes a circuit main board 21 and a flexible circuit board 22 connected with the circuit main board 21 in a bending manner, a pair of conductive members 211 is protruded from one side of the circuit main board 21, a pair of tabs 5 are connected with the pair of conductive members 211 in a one-to-one correspondence manner, the conductive members 211 have conductive grooves, and third portions 53 of the tabs 5 are embedded in the conductive grooves.

The embodiment of the utility model provides an in, through set up the fillet transition in the department of buckling (being first portion and second portion junction, third portion and second junction) of utmost point ear, when can making to exist between utmost point ear and the protection shield and drag the condition, the department of buckling of utmost point ear is difficult to damage.

Further, a tab protector (not shown) is disposed between the first portion 51 and the third portion 53 of each tab 5, and a junction of the first portion 51 and the second portion 52 and a junction of the third portion 53 and the second portion 52 abut against the tab protector, respectively.

In this embodiment, utmost point ear protection piece forms the auxiliary stay to the fillet structure of utmost point ear bending part to firm fillet structure further ensures that the fillet structure of utmost point ear is difficult to damaged.

In this embodiment, the tab protection member is preferably made of protection foam, which is elastic and light in weight, and has a good shockproof effect.

Furthermore, an elastic bonding member (not shown) is attached between the surface of the circuit board 21 protruding with the conductive member 211 and the cell edge seal.

In this embodiment, the adhesive is preferably foam cotton. Because circuit mainboard is equipped with the one side unevenness of electrically conductive piece, the bubble celloidin has the extensibility, can strengthen the adhesion strength and the bonding area between the terminal surface of protection shield and electric core, the electric core banding to improve the stability of protection shield, the terminal equipment who so has this battery falls the in-process a little, can bind protection shield and electric core together, can not drag utmost point ear because of the removal of protection shield.

Further, a containing space is formed by the top end face 3 and the battery cell edge sealing 4, and the protection plate 2 is located at the containing space. So, the protection shield setting is in the top of top end face, and the top end face forms certain supporting role to the protection shield.

Further, be equipped with the silica gel gasket on the terminal surface 3 of top, protection shield 2 sets up on the silica gel gasket. The silica gel gasket separates top terminal surface and protection shield, and the silica gel gasket has certain guard action to the top terminal surface, plays effects such as insulating, shock attenuation between electric core and protection shield.

Further, the flexible circuit board 22 includes a bending portion 221 and a main body portion 222 that are integrally connected, the bending portion 221 connects the circuit main board 21 and the main body portion 222, and the main body portion 222 is located on a side of the circuit main board 21 that faces away from the conductive member 211. The main body 222 of the flexible circuit board 22 is disposed on the side of the circuit main board 21 opposite to the conductive member 211, so that the battery structure is smaller and more reasonable.

Further, the battery further comprises a support 6, the support 6 has an opening end facing the cell sealing edge 4, the circuit board 21 is located in the support 6, the bending portion 221 extends out of the preset opening 61 of the support 6, and the main body portion 222 is located outside the support 6. In the embodiment, the bracket separates the circuit main board from the flexible circuit board, so as to form a certain stabilizing effect on the circuit main board and ensure that the tabs can be stably connected with the conductive piece on the circuit main board; the support is preferably a plastic support and has an insulating effect.

The battery may particularly be a power battery, such as a lithium power battery.

The embodiment of the utility model provides a still provide a terminal equipment including above-mentioned battery, terminal equipment can be cell-phone, panel computer etc..

The above description is only a preferred embodiment of the invention and is intended to illustrate the technical principles applied. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments that can be formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features and (but not limited to) technical features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.

Claims

1. A battery is characterized by comprising a battery core and a protective plate, wherein a battery core edge sealing edge and a pair of tabs are vertically and convexly arranged on the top end surface of the battery core, each tab comprises a first part extending from the battery core edge sealing edge, a second part perpendicular to the battery core edge sealing edge and a third part parallel to the first part, the second part is connected with the first part and the third part, and the joints of the first part, the third part and the second part are respectively in a round angle;

2. The battery of claim 1 wherein a tab guard is disposed between the first and third portions of each tab, the junction of the first and second portions and the junction of the third and second portions abutting the tab guard, respectively.

3. The cell defined in claim 2, wherein the tab guard is protective foam.

4. The battery of claim 1, wherein an elastic bonding member is attached between the surface of the circuit main board where the conductive member protrudes and the cell edge seal.

5. The battery of claim 4, wherein the adhesive is foam.

6. The battery of claim 1, wherein the top end face and the cell sealing edge form an accommodating space, and the protection plate is located in the accommodating space.

7. The battery of claim 6, wherein the top end surface is provided with a silicone gasket, and the protective plate is disposed on the silicone gasket.

8. The battery of claim 7, wherein the flexible circuit board comprises a bending portion and a main portion integrally connected, the bending portion connects the circuit main board and the main portion, and the main portion is located on a side of the circuit main board opposite to the conductive member.

9. The battery of claim 8, further comprising a bracket having an open end sealed to the cell, wherein the circuit board is located in the bracket, the bent portion extends out of the predetermined opening of the bracket, and the main portion is located outside the bracket.

10. A terminal device, characterized in that it comprises a battery according to any one of claims 1-9.