CN213936444U

CN213936444U - Battery and terminal equipment

Info

Publication number: CN213936444U
Application number: CN202023159741.4U
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, battery include the casing, be equipped with electric core in the casing and with electric core electric connection's protection shield, the protection shield include circuit mainboard and with circuit mainboard bending connection's flexible circuit board, flexible circuit board includes the kink and the main part of a body coupling, kink connecting circuit mainboard and main part, the main part is located between circuit mainboard and the casing, the main part is equipped with the protection piece with the junction of kink, protection piece butt flexible circuit board and casing. The terminal device includes a battery. After the flexible circuit board of the battery is bent, the connecting part of the bent part and the main body part of the flexible circuit board is provided with the protection part, and the shell presses the flexible circuit board through the protection part, so that the flexible circuit board is effectively prevented from arching; insulating heat conduction material is coated or heat dissipation parts are arranged at one or more parts of the protection plate, so that the heat dissipation efficiency is improved, the temperature of the flexible circuit board is prevented from being too high, the temperature of the shell is reduced, and the performance of the machine body and the use feeling of a user are improved.

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. The frequency of use of the product is high, and 5G is rapidly developed, so that the power consumption of the battery is too fast, for rapidly supplementing electric quantity, a fast-charging battery needs to be used, the thickness of an FPC (Flexible Printed Circuit) of the fast-charging battery is thicker than that of a common battery, a bending area of the FPC is easy to arch, so that the FPC props against a battery cover, the temperature rise of the bending part of the FPC is too high and can be transmitted to the surface of a mobile body through the battery cover, when a user holds the mobile phone, the temperature rise of the battery cover can be obviously sensed, and the performance of the mobile body and the use experience of the user are influenced.

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, which includes a housing, be equipped with in the casing electric core and with electric core electric connection's protection shield, the protection shield include circuit mainboard and with the flexible circuit board that circuit mainboard bending connection, the flexible circuit board includes kink and the main part of an organic whole connection, the kink is connected circuit mainboard with the main part, the main part is located circuit mainboard with between the casing, the main part with the junction of kink is equipped with the protection piece, the protection piece butt the flexible circuit board with the casing.

Optionally, the protection piece is a protection pad or protection foam.

Optionally, an insulating and heat conducting material is further disposed in the housing, and the insulating and heat conducting material is applied to one or more of the following portions: the connecting part of the bending part and the circuit main board, the gap between the circuit main board and the main body part, the connecting part of the bending part and the main body part or one surface of the main body part facing the shell.

Optionally, the insulating and heat conducting material is a heat conducting gel.

Optionally, a heat dissipation member is further disposed inside the housing, and the heat dissipation member is disposed at one or more of the following positions: the connecting part of the bending part and the circuit main board, the gap between the circuit main board and the main body part, the connecting part of the bending part and the main body part or one surface of the main body part facing the shell.

Optionally, the heat sink is a graphite sheet.

Optionally, the top end face of the battery cell is vertically and convexly provided with a battery cell edge sealing edge, the top end face and the battery cell edge sealing edge form an accommodating space, and the protection plate is arranged at 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 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:

after the flexible circuit board of the battery is bent, a protection piece is arranged at the joint of the bent part of the flexible circuit board and the main body part, and the shell presses the flexible circuit board through the protection piece, so that the flexible circuit board is effectively prevented from arching; insulating heat conduction material is coated or heat dissipation parts are arranged at one or more parts of the protection plate, so that the heat dissipation efficiency is improved, the temperature of the flexible circuit board is prevented from being too high, the temperature of the shell is reduced, and the performance of the machine body and the use feeling of a user are 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 a schematic structural diagram of a battery according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a protection board of a battery according to an embodiment of the present invention at a first viewing angle;

fig. 3 is a schematic structural diagram of a protection board of a battery according to an embodiment of the present invention at a second viewing angle;

fig. 4 is a schematic structural diagram of a battery cell of a battery provided in an embodiment of the present invention;

fig. 5 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, the embodiment of the utility model provides a battery, which comprises a housin, be equipped with electric core 3 in the casing and with electric core 3 electric connection's protection shield 4, protection shield 4 includes circuit mainboard 41 and the flexible circuit board 42 of being connected with circuit mainboard 41 buckle, flexible circuit board 42 includes kink 421 and the main part 422 of a body coupling, kink 421 connects circuit mainboard 41 and main part 422, main part 422 is located between circuit mainboard 41 and the casing, main part 422 is equipped with the protection piece with the junction of kink 421, protection piece butt flexible circuit board 42 and casing.

The connection between the bent portion 421 and the main body portion 422 of the flexible circuit board 42 corresponds to a certain portion of the housing, and the housing abuts against the connection between the bent portion 421 and the main body portion 422 through the shielding member at the certain portion to prevent the flexible circuit board from arching.

In this embodiment, if the housing includes the front case 1 and the rear cover 2 that are fastened together, and the surface of the main body portion of the flexible circuit board 42 that faces away from the circuit main board 41 faces the rear cover 2, the rear cover 2 abuts against the connection between the bent portion 421 and the main body portion 422 of the flexible circuit board 42 through the shielding member.

Referring to fig. 1, a region denoted by reference numeral 5 is a connection portion of the bending portion 421 and the main body portion 422, the shielding member is disposed in the region, and the rear cover presses the bending portion of the flexible circuit board through the shielding member, so that the flexible circuit board can be effectively prevented from arching.

Further, the protection piece is a protection gasket or protection foam. If the protection gasket can be a silica gel gasket, also can be a rubber gasket and the like, the effect of buffering and pressing can be achieved.

Further, as shown in fig. 2 and 3, an insulating and heat conducting material is further disposed in the housing, and the insulating and heat conducting material is applied to one or more of the following portions: the connection between the bending portion 421 and the circuit main board 41, the gap between the circuit main board 41 and the main body portion 422, the connection between the bending portion 421 and the main body portion 422, or the surface of the main body portion 422 facing the housing.

Further, the insulating heat conducting material is heat conducting gel. The temperature of the bent part of the flexible circuit board is effectively reduced through the heat conduction gel, so that deformation caused by overhigh local temperature of the rear cover corresponding to the bent part is avoided, and the assembly structure and the performance of the whole machine are ensured.

Further, as shown in fig. 2 and 3, a heat dissipation member is further disposed inside the housing, and the heat dissipation member is disposed at one or more of the following locations: the connection between the bending portion 421 and the circuit main board 41, the gap between the circuit main board 41 and the main body portion 422, the connection between the bending portion 421 and the main body portion 422, or the surface of the main body portion 422 facing the housing.

Further, the heat sink is a graphite sheet. The temperature of the bent part of the flexible circuit board can be effectively reduced through the heat dissipation piece, so that deformation caused by overhigh local temperature of the bent part of the rear cover is avoided, and the assembly structure and the performance of the whole machine are ensured.

Further, as shown in fig. 4, a cell edge seal 32 and a pair of tabs 33 are vertically and convexly disposed on the top end surface 31 of the cell 3, the tabs 33 extend from the cell edge seal 32, the top end surface 31 and the cell edge seal 32 form an accommodating space, and the protection plate 4 is disposed at the accommodating space. The protection shield sets up in the top of top terminal surface, and the top terminal surface forms certain supporting role to the protection shield.

In this embodiment, a pair of conductive members 411 is disposed on a surface of the circuit board 41 facing away from the main body 422, and a pair of tabs 33 are connected to the pair of conductive members 411 in a one-to-one correspondence.

Further, a silica gel gasket is arranged on the top end face 31, and the protection plate 4 is arranged 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 to play effects such as insulating, shock attenuation between electric core and protection shield.

Further, as shown in fig. 5, the battery further includes a support 6, the support 6 has an opening end facing the cell sealing edge 32, the circuit board 41 is located in the support 6, the bending portion 421 extends out of the preset opening 61 of the support 6, and the main portion 422 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 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. The utility model provides a battery, its characterized in that, includes the casing, be equipped with in the casing electric core and with electric core electric connection's protection shield, the protection shield include circuit mainboard and with the flexible circuit board of circuit mainboard bending type connection, the flexible circuit board includes kink and the main part of an organic whole connection, the kink is connected the circuit mainboard with the main part, the main part is located the circuit mainboard with between the casing, the main part with the junction of kink is equipped with the protection piece, the protection piece butt the flexible circuit board with the casing.

2. The cell defined in claim 1, wherein the protective member is a protective gasket or a protective foam.

3. The battery of claim 1, wherein the housing further comprises an insulating and thermally conductive material applied to one or more of: the connecting part of the bending part and the circuit main board, the gap between the circuit main board and the main body part, the connecting part of the bending part and the main body part or one surface of the main body part facing the shell.

4. The battery of claim 3, wherein the insulating and thermally conductive material is a thermally conductive gel.

5. The battery of claim 1, wherein the housing is further provided with a heat sink disposed at one or more of: the connecting part of the bending part and the circuit main board, the gap between the circuit main board and the main body part, the connecting part of the bending part and the main body part or one surface of the main body part facing the shell.

6. The battery of claim 5, wherein the heat spreader is a graphite sheet.

7. The battery of claim 1, wherein a cell sealing edge is vertically and convexly provided on a top end surface of the cell, the top end surface and the cell sealing edge form an accommodating space, and the protection plate is disposed in the accommodating space.

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

9. The battery of claim 7, 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.