CN219677494U - Battery and electronic equipment - Google Patents

Abstract

The utility model provides a battery and an electronic device. The battery includes electric core and protection shield, and electric core includes electric core body, utmost point ear and casing, and electric core body is located the casing, and one of utmost point ear and casing is connected with the anodal electricity of electric core body, and another is connected with the negative pole electricity of electric core body, and the casing has the recess, and the recess is located one side that the casing is close to the utmost point ear. The protection shield includes the protection shield body and the first electrically conductive piece of electric connection, and the protection shield body is located the recess to be connected with the casing electricity, first electrically conductive piece is connected with the utmost point ear electricity. The battery provided by the utility model has larger capacity.

Description

Battery and electronic equipment

Technical Field

The utility model relates to the technical field of electronic setting, in particular to a battery and electronic equipment.

Background

A battery refers to a device that converts chemical energy into electrical energy in a cup, tank, or other container or portion of a composite container that contains an electrolyte solution and metal electrodes to generate an electrical current. Electronic devices such as cell phones and tablet computers all require battery installation.

In the related art, the battery comprises a battery core and a protection plate, wherein the protection plate is positioned on one side of the battery core, the battery core is provided with a positive electrode lug and a negative electrode lug, the positive electrode of the protection plate is electrically connected with the positive electrode lug of the battery core through a first conductive sheet, and the negative electrode of the protection plate is electrically connected with the negative electrode lug of the battery core through a second conductive sheet.

However, the space occupied by the protection plate is large, resulting in a small capacity of the battery.

Disclosure of Invention

The utility model provides a battery and an electronic device, wherein the battery has larger capacity.

In a first aspect, the utility model provides a battery, comprising a battery core and a protection plate, wherein the battery core comprises a battery core body, a tab and a shell, the battery core body is positioned in the shell, one of the tab and the shell is electrically connected with the positive electrode of the battery core body, the other one of the tab and the shell is electrically connected with the negative electrode of the battery core body, the shell is provided with a groove, and the groove is positioned on one side of the shell close to the tab;

the protection shield includes the protection shield body and the first electrically conductive piece of electric connection, and the protection shield body is located the recess to be connected with the casing electricity, first electrically conductive piece is connected with the utmost point ear electricity.

In one possible implementation manner, the battery provided by the utility model has the advantages that the first conductive piece comprises the first connecting part, the bending part and the second connecting part, one end of the bending part is connected with the first connecting part, the other end of the bending part is connected with the second connecting part, the first connecting part is electrically connected with the protective plate body, and the second connecting part is electrically connected with the tab.

In one possible implementation manner, the shape of the bending part of the battery provided by the utility model is matched with the shape of the inner wall of the groove.

In one possible implementation, the battery provided by the utility model, the protection board body comprises a hard board, the hard board is electrically connected with the shell, and the first conductive member is electrically connected with the hard board.

In a possible implementation manner, in the battery provided by the utility model, a second conductive member is arranged on the surface of the hard plate opposite to the bottom wall of the groove and/or the surface of the hard plate away from the first conductive member, and the second conductive member is electrically connected with the shell.

In one possible implementation manner, the battery provided by the utility model, the protection board body further comprises a soft board, the soft board is electrically connected with the hard board, and the soft board is located on one side of the hard board, which is away from the first conductive piece.

In one possible implementation, the battery provided by the utility model further comprises a connector, wherein the connector is electrically connected with the soft board, and the connector is positioned on one side of the soft board away from the hard board.

In one possible implementation, the battery provided by the utility model further comprises an insulating member, and the insulating member is arranged between the first conductive member and the housing.

In one possible implementation, the battery provided by the utility model has the first conductive member being a conductive sheet, and the thickness of the conductive sheet is 0.1-0.2mm.

In a second aspect, the present utility model provides an electronic device, including an electronic device body and the battery provided in the first aspect electrically connected to the electronic device body.

According to the battery and the electronic equipment, the battery is provided with the battery core and the protection plate, the battery core comprises the battery core body, the electrode lugs and the shell, the battery core body is arranged in the shell, one of the electrode lugs and the shell is electrically connected with the positive electrode of the battery core body, the other electrode is electrically connected with the negative electrode of the battery core body, the protection plate comprises the protection plate body and the first conductive part which are electrically connected, the protection plate body is electrically connected with the shell, and the first conductive part is electrically connected with the electrode lugs. Compared with the battery in the related art, the battery cell body cancels one tab, the protection board body is directly electrically connected with the shell, the shell is provided with the groove, the groove is positioned on one side of the shell close to the tab, and the protection board body is positioned in the groove, so that the battery has a compact overall structure, occupies smaller space, and has larger capacity. And the protection board body is directly electrically connected with the shell, so that the difficulty in the electrical connection of the protection board and the battery cell is reduced, and the installation efficiency of the battery can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a structure of a battery in the related art;

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

fig. 3 is an exploded view of a battery according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a battery cell in the battery according to the embodiment of the present utility model;

fig. 5 is a schematic structural view of a protection plate in a battery according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present utility model.

Reference numerals illustrate:

10-an electric core;

11-positive electrode lugs;

12-negative electrode ear;

20-protecting plate;

30-a first conductive sheet;

40-a second conductive sheet;

100-cell;

110-electrode lugs;

120-a housing;

121-grooves;

200-protecting the board;

210-a protective plate body;

211-hard plates;

2111-a second conductive member;

212-soft board;

220-a first conductive member;

221-a first connection portion;

222-bending part;

223-a second connection;

300-connectors;

400-an electronic device;

410-an electronic device body;

500-cell.

Detailed Description

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, indirectly connected via an intermediate medium, in communication with each other, or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms first, second, third and the like in the description and in the claims and in the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or maintenance tool that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or maintenance tool.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 is a schematic view of a structure of a battery in the related art.

Referring to fig. 1, the battery in the related art includes a battery cell 10 and a protection plate 20, the protection plate 20 is located at one side of the battery cell 10, the battery cell 10 is provided with a positive tab 11 and a negative tab 12, the positive electrode of the protection plate 20 is electrically connected with the positive tab 11 of the battery cell 10 through a first conductive sheet 30, and the negative electrode of the protection plate 20 is electrically connected with the negative tab 12 of the battery cell 10 through a second conductive sheet 40. However, the space occupied by the protection plate 20 is large, resulting in a small capacity of the battery.

In order to solve the technical problems, the utility model provides a battery and electronic equipment, wherein a battery core comprises a battery core body, a tab and a shell, the battery core body is positioned in the shell, the shell is provided with a groove for accommodating a protection plate, the protection plate comprises a protection plate body and a first conductive piece which are electrically connected, and the protection plate body is positioned in the groove. Therefore, one tab is omitted, the protection plate is directly electrically connected with the shell, and the protection plate is convenient to electrically connect with the battery core, so that the battery is compact in structure and high in installation efficiency.

Fig. 2 is a schematic structural diagram of a battery according to an embodiment of the present utility model, fig. 3 is an exploded view of a battery according to an embodiment of the present utility model, fig. 4 is a schematic structural diagram of a battery cell in a battery according to an embodiment of the present utility model, and fig. 5 is a schematic structural diagram of a protective plate in a battery according to an embodiment of the present utility model.

Referring to fig. 2 to 5, a battery 500 provided by an embodiment of the present utility model includes a battery cell 100 and a protection board 200, the battery cell 100 includes a battery cell body (not shown in the drawings), a tab 110 and a housing 120, the battery cell body is located in the housing 120, one of the tab 110 and the housing 120 is electrically connected with an anode of the battery cell body, the other is electrically connected with a cathode of the battery cell body, the housing 120 has a groove 121, and the groove 121 is located at one side of the housing 120 close to the tab 110.

The protection plate 200 includes a protection plate body 210 and a first conductive member 220, wherein the protection plate body 210 is located in the groove 121 and is electrically connected with the housing 120, and the first conductive member 220 is electrically connected with the tab 110.

It can be appreciated that the recess 121 is located on the side of the housing 120 near the tab 110, which is advantageous for electrically connecting the first conductive member 220 with the tab 110 and the protection plate body 210, so that the first conductive member 220 has a smaller size, which is advantageous for reducing the occupied space of the protection plate 200 and improving the capacity of the battery 500.

It should be noted that the recess 121 may be disposed between the positive electrode and the negative electrode of the cell body. In some embodiments, the size of the protection plate body 210 may be designed according to the size of the groove 121, and the size of the protection plate body 210 is smaller than or equal to the size of the groove 121, so that the protection plate body 210 is entirely located in the groove 121. It should be explained that the size of the groove may refer to the depth of the groove, and the size of the protection plate body may refer to the extension length of the protection plate body along the depth direction of the groove.

The tab 110 may be electrically connected to the positive electrode of the battery cell body, the housing 120 is electrically connected to the negative electrode of the battery cell body, and the housing 120 may serve as the negative electrode of the battery cell 100. Alternatively, the tab 110 may be electrically connected to the negative electrode of the battery cell body, the housing 120 is electrically connected to the positive electrode of the battery cell body, and the housing 120 may serve as the positive electrode of the battery cell 100.

The tab 110 may be an aluminum sheet, a nickel sheet, or a copper sheet, which is not specifically limited herein.

Specifically, the groove 121 may be provided in a U shape. The opening size of the groove may be equal everywhere along the direction from the notch of the groove to the bottom of the groove. In some embodiments, the opening size of the groove may gradually decrease in a direction along the notch of the groove to the bottom of the groove.

The battery 500 provided in this embodiment, through setting up electric core 100 and protection board 200, electric core 100 includes electric core body, utmost point ear 110 and casing 120, and electric core body is located casing 120, and one of utmost point ear 110 and casing 120 is connected with the anodal electricity of electric core body, and another is connected with the negative pole electricity of electric core body, and wherein, protection board 200 includes protection board body 210 and first electrically conductive piece 220 that the electricity is connected, and protection board body 210 is connected with casing 120 electricity, and first electrically conductive piece 220 is connected with utmost point ear 110 electricity.

Compared with the battery in the related art, the battery cell body omits one tab 110, the protection plate body 210 is directly electrically connected with the housing 120, the housing 120 is provided with a groove 121, the groove 121 is positioned on one side of the housing 120 close to the tab 110, and the protection plate body 210 is positioned in the groove 121, so that the battery 500 has a compact overall structure, the occupation space of the protection plate 200 is smaller, and the capacity of the battery 500 is larger. In addition, the protection plate body 210 is directly electrically connected with the housing 120, which is beneficial to reducing the difficulty of the electrical connection between the protection plate 200 and the battery cell 100 and improving the installation efficiency of the battery 500.

Referring to fig. 5, the first conductive member 220 includes a first connection part 221, a bent part 222, and a second connection part 223, one end of the bent part 222 is connected with the first connection part 221, the other end is connected with the second connection part 223, the first connection part 221 is electrically connected with the protection plate body 210, and the second connection part 223 is electrically connected with the tab 110. In this way, the first conductive member 220 has a simpler structure, and the difficulty in electrically connecting the first conductive member 220 with the protection plate body 210 and the tab 110 is low, so that the assembly efficiency of the battery 500 can be improved.

The first connecting portion 221, the bending portion 222, and the second connecting portion 223 may be integrally formed. Therefore, the mechanical strength of the first conductive piece can be ensured, and the first conductive piece is prevented from being broken in the use process. The bending portion may be formed by mechanical stamping or sheet metal bending, and the specific manufacturing process is not limited in this embodiment.

The first connection part 221 and the protection plate body 210 may be electrically connected by welding or bonding with conductive paste, and the second connection part 223 and the tab 110 may be electrically connected by welding or bonding with conductive paste, which is not particularly limited herein.

In order to reduce the occupied space of the first conductive member 220, the shape of the bent portion 222 matches the shape of the inner wall of the recess 121. Also, the first connection portion 221 and the bent portion 222 are located in the groove 121.

It will be appreciated that, to facilitate the processing of the groove 121, the inner wall of the groove 121 has a plurality of curved surfaces and flat surfaces connected end to end in sequence. The shape of the bending part 222 is matched with the shape of the inner wall of the groove 121, so that the occupied space of the first conductive member 220 can be reduced. Meanwhile, the shape of the bending part 222 is matched with the shape of the inner wall of the groove 121, the first connection part 221 and the bending part 222 are located in the groove 121, and the housing 120 can protect the first connection part 221 and the bending part 222, thereby improving the reliability of the first conductive member 220.

In one possible implementation, the battery 500 further includes an insulating member (not shown) disposed between the first conductive member 220 and the housing 120. Opposite sides of the insulating member are respectively abutted against the first conductive member 220 and the housing 120, thereby preventing a short circuit.

Specifically, the insulating member may be an insulating tape, an insulating spacer, or the like.

In another possible implementation, a side of the first conductive member 220 opposite to the housing 120 is provided with an insulating coating, which abuts the housing 120, thereby preventing a short circuit.

In order to solve the problem that the first conductive member 220 is easily damaged, the first conductive member 220 is a conductive sheet, and the thickness of the conductive sheet is 0.1-0.2mm.

When the thickness of the conductive sheet is less than 0.1mm, the thickness of the conductive sheet is small, the first conductive piece 220 is easy to break when being welded with the tab 110, and the strength of the conductive sheet is poor, easy to damage and the service life is low.

When the thickness of the conductive sheet is greater than 0.2mm, the thickness of the conductive sheet is greater, the space occupied by the conductive sheet is greater, and the bent portion 222 is not easy to process.

The thickness of the conductive sheet is, for example, 0.15mm or 0.12mm.

The conductive sheet may be an aluminum sheet, a nickel sheet, a copper sheet, or the like, and the embodiment is not particularly limited herein.

It should be noted that, the numerical values and the numerical ranges related to the embodiments of the present utility model are approximate values, and may have a certain range of errors under the influence of the manufacturing process, and those errors may be considered to be negligible by those skilled in the art.

In some embodiments, the protection plate body 210 includes a hard plate 211, the hard plate 211 is electrically connected with the housing 120, and the first conductive member 220 is electrically connected with the hard plate 211.

It should be noted that, the hard board 211 is provided with a protection circuit and electrical components, each electrical component needs to be insulated and fixed, and the specific structure of the electrical components may be the same as that of the hard board 211 in the related art, which is not described herein.

The hard plate 211 is located in the groove 121, and the hard plate 211 abuts against the inner bottom wall of the groove 121.

Wherein, a surface of the hard plate 211 opposite to the bottom wall of the groove 121 is provided with a second conductive member 2111, and the second conductive member 2111 is electrically connected with the housing 120.

Alternatively, a second conductive member 2111 is disposed on a surface of the hard plate 211 facing away from the first conductive member 220, and the second conductive member 2111 is electrically connected to the housing 120.

Alternatively, both the side of the hard plate 211 opposite to the bottom wall of the recess 121 and the side of the hard plate 211 facing away from the first conductive member 220 are provided with the second conductive member 2111, and the second conductive member 2111 is electrically connected with the housing 120.

The second conductive member 2111 may be a copper-leaking member provided on the hard board 211, or the second conductive member 2111 may be a copper sheet, a nickel sheet or a conductive sheet made of other materials provided on the hard board 211, which is not limited herein.

Specifically, the second conductive member 2111 may be electrically connected to the housing 120 by soldering.

In one possible implementation, the protection plate body 210 further includes a flexible board 212, the flexible board 212 is electrically connected to the hard board 211, and the flexible board 212 is located on a side of the hard board 211 facing away from the first conductive element 220. In this way, the soft plate 212 and the first conductive member 220 are positioned at opposite sides of the hard plate 211, and current interference and spatial interference between the soft plate 212 and the first conductive member 220 can be reduced.

Specifically, the soft board 212 is located on the side of the hard board 211 facing away from the battery cell 100. The soft board 212 may cover all of the hard board 211 or part of the hard board 211, and the present embodiment is not particularly limited herein.

It will be appreciated that the area of the protection plate 200 can be increased by providing the flexible plate 212, which is advantageous for mounting the electrical components on the protection plate 200. The hard plate and the soft plate in this embodiment may mean that the hardness of the hard plate is greater than that of the soft plate.

The hard board 211 may be a PCB (rigid circuit board, printed Circuit Board), the hard board 211 may use CCL (Copper Clad Laminate ) as a base material, the CCL is a product formed by using wood pulp paper or glass fiber cloth as a reinforcing material, impregnating resin, and coating copper foil on one or both sides, and hot-pressing.

Wherein the flexible plate 212 may be formed using a flexible substrate. Flexible substrates include, but are not limited to, PET (polyester, polyethylene terephthalate), PTFE (polytetrafluoroethylene ), PI (Polyimide), PC (Polycarbonate), LCP (liquid crystal polymer ), PEN (Polyethylenenaphthalate two formic acid glycolester, polyethylene naphthalate), PP (Polypropylene), coated paper, woven cloth (stretch-containing and non-stretchable woven cloth), and the like.

Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present utility model.

Referring to fig. 3 and 6, the present utility model provides an electronic apparatus 400 including an electronic apparatus body 410 and a battery 500 provided in the above-described embodiment electrically connected to the electronic apparatus body 410.

In some embodiments, the battery 500 further includes a connector 300, the connector 300 being electrically connected to the flexible board 212, the connector 300 being located on a side of the flexible board 212 facing away from the rigid board 211.

It will be appreciated that by providing the flexible board 212 and the connector 300, the connector 300 is electrically connected to the flexible board 212, so that the connector 300 can be disposed at a designated position in the entire electronic device by bending the flexible board 212, and the connector 300 can be disposed at a different position of the flexible board 212, so that the flexibility of the position setting of the connector 300 is high.

The connector 300 is used for electrically connecting with the electronic device body 410 and supplying power to the electronic device body 410.

For example, the electronic device 400 may be a cell phone, tablet computer, notebook computer, smart wearable device, etc.

The electronic device 400 provided in this embodiment is configured to provide the electronic device body 410 and the battery 500 provided in the above embodiment electrically connected to the electronic device body 410, where the battery 500 is configured to provide the battery cell 100 and the protection plate 200, the battery cell 100 includes a battery cell body, the tab 110 and the housing 120, the battery cell body is located in the housing 120, one of the tab 110 and the housing 120 is electrically connected to the positive electrode of the battery cell body, the other is electrically connected to the negative electrode of the battery cell body, the protection plate 200 includes the protection plate body 210 and the first conductive member 220 electrically connected to each other, the protection plate body 210 is electrically connected to the housing 120, and the first conductive member 220 is electrically connected to the tab 110.

Compared with the battery in the related art, the battery cell body omits one tab 110, the protection plate body 210 is directly electrically connected with the housing 120, the housing 120 is provided with a groove 121, the groove 121 is positioned on one side of the housing 120 close to the tab 110, and the protection plate body 210 is positioned in the groove 121, so that the battery 500 has a compact overall structure, the occupation space of the protection plate 200 is smaller, and the capacity of the battery 500 is larger. In addition, the protection plate body 210 is directly electrically connected with the housing 120, which is beneficial to reducing the difficulty of the electrical connection between the protection plate and the battery cell 100 and improving the installation efficiency of the battery 500. Accordingly, the standby time of the electronic apparatus 400 is long, and the overall mounting efficiency is high.

It should be understood that the illustrated structure of the embodiment of the present utility model does not constitute a specific limitation on the electronic device 400. In other embodiments of the utility model, electronic device 400 may include more or fewer components than shown, or may combine certain components, or split certain components, or a different arrangement of components. For example, the electronic device body 410 may include camera assemblies (e.g., front and rear cameras), communication assemblies, housing assemblies, and the like.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The battery is characterized by comprising a battery core and a protection plate, wherein the battery core comprises a battery core body, a tab and a shell, the battery core body is positioned in the shell, one of the tab and the shell is electrically connected with the positive electrode of the battery core body, the other one of the tab and the shell is electrically connected with the negative electrode of the battery core body, the shell is provided with a groove, and the groove is positioned on one side of the shell close to the tab;

the protection board comprises a protection board body and a first conductive piece, wherein the protection board body is electrically connected with the first conductive piece, the protection board body is positioned in the groove and is electrically connected with the shell, and the first conductive piece is electrically connected with the tab.

2. The battery according to claim 1, wherein the first conductive member includes a first connection portion, a bent portion, and a second connection portion, one end of the bent portion is connected to the first connection portion, the other end is connected to the second connection portion, the first connection portion is electrically connected to the protection plate body, and the second connection portion is electrically connected to the tab.

3. The battery of claim 2, wherein the shape of the bent portion matches the shape of the inner wall of the recess.

4. A battery as claimed in any one of claims 1 to 3, wherein the protective plate body includes a hard plate electrically connected to the case, and the first conductive member is electrically connected to the hard plate.

5. The battery according to claim 4, wherein a face of the hard plate opposite to the bottom wall of the recess and/or a face of the hard plate facing away from the first conductive member is provided with a second conductive member, the second conductive member being electrically connected with the case.

6. The battery of claim 4, wherein the protective plate body further comprises a flexible plate electrically connected to the rigid plate, the flexible plate being located on a side of the rigid plate facing away from the first conductive member.

7. The battery of claim 6, further comprising a connector electrically connected to the flexible board, the connector being located on a side of the flexible board facing away from the rigid board.

8. A battery according to any one of claims 1 to 3, further comprising an insulating member disposed between the first conductive member and the case.

9. A battery according to any one of claims 1 to 3, wherein the first conductive member is a conductive sheet having a thickness of 0.1-0.2mm.

10. An electronic device comprising an electronic device body and the battery of any one of claims 1 to 9 electrically connected to the electronic device body.