CN220731733U

CN220731733U - Battery, module, battery pack and electric equipment

Info

Publication number: CN220731733U
Application number: CN202322282147.1U
Authority: CN
Inventors: 周贤; 张瑞朋; 陈圣立
Original assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Current assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-04-05
Anticipated expiration: 2033-08-24

Abstract

The utility model relates to the technical field of batteries and discloses a battery, a module, a battery pack and electric equipment, wherein the battery comprises a battery core and a bar sheet, the battery core is provided with a protruding pole, and the bar sheet is provided with a plug groove for plug connection with the pole; the pole is provided with a first plug connector which is connected with the pole in a conducting way; the second plug connector is arranged on the tab and used for being connected with the first plug connector in a plug manner, and the second plug connector is connected with the tab in a conductive manner; when the pole is inserted into the inserting groove along the first direction, the pole is inserted into and communicated with the tab, and the first inserting connector is inserted into and communicated with the second inserting connector. The battery, the module, the battery pack and the electric equipment can realize quick disassembly and assembly between the battery core and the tabs, and can improve the conducting connection effect between the polar posts and the tabs.

Description

Battery, module, battery pack and electric equipment

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery, a module, a battery pack and electric equipment.

Background

Currently, batteries include cells and tabs that connect the poles of the cells to connect the individual cells, thereby enabling series or parallel connection between the individual cells

In the current battery, the pole and the tab are generally connected through a screw, so that the damaged battery core can be taken out only after the screw is removed after a single battery core is damaged, and the battery core is not convenient to replace quickly; in addition, through screw connection tab and utmost point post, be difficult to effectively increase the contact conduction area between electric core and the tab, be unfavorable for reducing connecting resistance, this also leads to being difficult to increase the overcurrent capacity of electric core.

In view of this, it is desirable to design a battery, a module, a battery pack and electric equipment, which can realize quick assembly disassembly between the battery cell and the tab, and can improve the conductive connection effect between the pole and the tab.

Disclosure of Invention

The utility model aims to provide a battery, a module, a battery pack and electric equipment, which can realize quick disassembly and assembly between a battery core and a tab and can improve the conducting connection effect between a pole and the tab.

To achieve the purpose, the utility model adopts the following technical scheme:

a battery, characterized by comprising a battery core and a tab, wherein the battery core is provided with a protruding pole, and the tab is provided with a plug groove for plug connection with the pole;

the pole is provided with a first plug connector which is connected with the pole in a conducting way; the second plug connector is arranged on the tab and used for being connected with the first plug connector in a plug manner, and the second plug connector is connected with the tab in a conductive manner;

when the pole is inserted into the inserting groove along the first direction, the pole is inserted into and communicated with the tab, and the first inserting connector is inserted into and communicated with the second inserting connector.

Optionally, the first plug connector is provided with a plug hole, and the second plug connector is provided with a plug post portion matching the plug hole.

Optionally, an installation groove is formed in one end, close to the tab, of the pole, and the first plug connector is installed in the installation groove;

the second plug connector is fixed on the bottom wall of the plug groove, the plug column part is parallel to the first direction, and the plug column part is positioned in the plug groove.

Optionally, an installation through hole is formed in the bottom wall of the plugging groove, and the second plug connector is provided with an embedding part embedded in the installation through hole.

Optionally, the inner groove wall of the plug hole is provided with a first conductive coating, and the periphery of the plug column part is provided with a second conductive coating;

when the first plug connector is in conductive connection with the second plug connector, the first conductive coating is attached to the second conductive coating.

Optionally, a plurality of first connectors are arranged on the pole at intervals; a plurality of second connectors are arranged on the tabs at intervals corresponding to the first connectors.

Optionally, the first plug connector is provided with a plug post portion, and the second plug connector is provided with a plug hole matching the plug post portion.

Optionally, the tab includes a curved portion forming the insertion groove;

the bending part comprises a supporting part forming the bottom wall of the inserting groove, a first groove side wall part arranged on one side of the supporting part and a second groove side wall part arranged on the other side of the supporting part, and the supporting part, the first groove side wall part and the second groove side wall part form the inserting groove;

the first groove side wall part comprises a plurality of N elastic parts which are arranged at intervals, the elastic parts are used for clamping the pole, and each elastic part is connected with the supporting part.

Optionally, the tab further includes a connection plate portion, the connection plate portion connecting the second slot sidewall portion;

two opposite sides of the connecting plate part are respectively provided with one bending part, and the two bending parts are symmetrically arranged relative to the connecting plate part.

A module comprising at least two batteries as described above.

A battery pack comprising at least two batteries as described above.

A powered device comprising a battery, module or battery pack as claimed in any one of the preceding claims.

Compared with the prior art, the utility model has the following beneficial effects:

in the embodiment, the first plug connector is arranged on the pole, the second plug connector is arranged on the tab, and the first plug connector and the second plug connector are connected in a plug connection mode when the pole and the tab are connected in a plug connection mode, so that the connection area is increased, and the connection effect between the tab and the pole is further improved; in addition, when the battery core needs to be disassembled, the battery core is pulled out along the reverse direction of the first direction, so that the pole and the tab can be separated, and when the battery core needs to be installed, the battery core is inserted into the insertion groove along the first direction, so that the connection of the pole and the tab can be realized; the battery, the module, the battery pack and the electric equipment of this embodiment can realize the quick assembly disassembly between electric core and the tab in the time, have effectively promoted the conduction connection effect of utmost point post and tab, can be favorable to promoting the overcurrent capacity of electric core.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are therefore not intended to limit the scope of the utility model, since any modification, variation in proportions, or adjustment of the size, which would otherwise be used by those skilled in the art, would not have the essential significance of the present disclosure, would still fall within the scope of the present disclosure without affecting the efficacy or achievement of the present disclosure.

Fig. 1 is a schematic diagram of an explosion structure of a battery according to an embodiment of the present utility model;

fig. 2 is a schematic view, partly in section, of a battery provided in an embodiment of the utility model;

FIG. 3 is an enlarged schematic view of the position A in FIG. 2;

FIG. 4 is an enlarged schematic view of the position B in FIG. 3;

fig. 5 is a schematic perspective view of a battery cell according to an embodiment of the present utility model;

fig. 6 is a schematic perspective view of a battery cell according to another embodiment of the present utility model in another view;

fig. 7 is a schematic structural diagram of a tab according to an embodiment of the present utility model;

fig. 8 is a schematic structural view of a second plug connector according to an embodiment of the present utility model mounted on a tab.

Illustration of: 1. a battery cell; 101. a mounting groove; 11. a pole; 2. a wafer; 201. a plug-in groove; 202. mounting through holes; 21. a bending portion; a support 211 and a stay; 212. a first groove side wall portion; 213. a second groove side wall portion; 22. a connection plate portion; 3. a first plug member; 31. a plug hole; 4. a second plug member; 41. a plug-in column part; 42. and an inlay.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions in the embodiments of the present utility model are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only 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.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices 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. It is noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Example 1

It should be noted that, the battery in the prior art adopts the screw to connect the tab and the pole, and the tab contacts with the pole of the battery core under the action of the screw, so as to realize electric conduction; at this time, the tabs and the pole are in planar contact, the contact area is relatively small, the connection resistance of the tabs and the pole is not reduced, and quick assembly and disassembly between the pole and the tabs cannot be realized.

The embodiment of the utility model provides a battery, which can realize quick disassembly and assembly between a battery cell 1 and a tab 2 and is beneficial to improving the conducting connection effect between the battery cell 1 and the tab 2.

Referring to fig. 1 to 8, the battery includes a battery cell 1 and a tab 2, the battery cell 1 having a protruding terminal 11, the tab 2 having a plug recess 201 for plug connection with the terminal 11; the first plug connector 3 is arranged on the pole 11, and the first plug connector 3 is in conductive connection with the pole 11; the second plug connector 4 used for being connected with the first plug connector 3 in a plug manner is arranged on the tab 2, and the second plug connector 4 is connected with the tab 2 in a conductive manner; when the pole 11 is inserted into the insertion groove 201 along the first direction, the pole 11 is inserted into the tab 2, and the first connector 3 is inserted into the second connector 4.

When the pole 11 is inserted into the insertion groove 201 in the first direction, the first plug 3 is inserted into the second plug 4 in the first direction, so that an insertion connection between the first plug 3 and the second plug 4 is achieved.

According to the embodiment, the first plug connector 3 is arranged on the pole 11, the second plug connector 4 is arranged on the tab 2, and when the first plug connector 3 is plugged and conducted with the second plug connector 4, the contact conduction area between the tab 2 and the pole 11 is increased, so that the conduction connection effect between the tab 2 and the pole 11 can be effectively increased, the resistance between the tab 2 and the pole 11 can be effectively reduced, the overcurrent capacity of the battery core 1 can be effectively improved, and the performance of the battery can be improved.

Alternatively, the first plug 3 is provided with a plug hole 31, and the second plug 4 is provided with a plug post portion 41 that mates with the plug hole 31. The plug-in post 41 is inserted into the plug-in hole 31, so that a plug-in connection between the first plug connector 3 and the second plug connector 4 is achieved.

It should be further noted that the number of the first connectors 3 and the second connectors 4 may be appropriately set according to the required overcurrent capacity of the battery cells. For example, the single cell is designed to have an overcurrent capability of 100A, and if the overcurrent capability between the first plug connector 3 and the second plug connector 4 is 10A, at least ten first plug connectors 3 and at least ten second plug connectors 4 need to be provided, and the number of the first plug connectors 3 and the number of the second plug connectors 4 are the same and are correspondingly provided so as to meet the design allowance.

In a specific embodiment, a plurality of first connectors 3 are arranged on the pole 11 at intervals; a plurality of second connectors 4 are arranged on the tabs 2 at intervals; the positions of the first connectors 3 and the positions of the second connectors 4 are in one-to-one correspondence, so that the corresponding first connectors 3 and the second connectors 4 can be connected in a plugging manner. The number of first connectors 3 is generally greater than 3.

Optionally, as shown in fig. 4, an end of the pole 11 near the tab 2 is provided with a mounting groove 101, and the first plug 3 is mounted in the mounting groove 101; the second plug 4 is fixed on the bottom wall of the plug recess 201, the plug pillar portion 41 is parallel to the first direction, and the plug pillar portion 41 is located in the plug recess 201. The setting of mounting groove 101 can effectively fix first plug connector 3, avoids the relative utmost point post 11 swing of first plug connector 3, is favorable to promoting the degree of accuracy of first plug connector 3 and second plug connector 4 plug connection. Furthermore, it is emphasized that the plug post portion 41 is located in the plug recess 201, which allows the plug post portion 41 to be inserted into the plug hole 31 at the same time as the pole 11 is inserted into the plug recess 201. The plug-in post 41 is inserted into the plug-in hole 31, so that the plug-in connection of the first plug-in connector 3 and the second plug-in connector is realized, and the first plug-in connector 3 and the second plug-in connector are mutually conducted.

Optionally, the bottom wall of the plugging recess 201 is provided with a mounting through hole 202, and the second plug 4 has an inlay 42 inlaid in the mounting through hole 202. The mounting through-hole 202 defines the position of the second plug 4 so that the plug post portion 41 can be accurately inserted into the plug hole 31.

Alternatively, the inner groove wall of the plug hole 31 is provided with a first conductive plating layer, and the outer periphery of the plug post portion 41 is provided with a second conductive plating layer; when the first plug connector 3 is in conductive connection with the second plug connector 4, the first conductive coating is attached to the second conductive coating.

Specifically, the first conductive coating and the second conductive coating are arranged, so that the conducting connection effect of the first plug connector 3 and the second plug connector 4 is further improved, and the conducting connection effect between the tab 2 and the pole 11 is better.

Alternatively, the first plug 3 is provided with a plug post portion 41 and the second plug 4 is provided with a plug hole 31 matching the plug post portion 41.

In this case, the first plug 3 has a plug portion 41 protruding from the pole 11, and the plug portion 41 is inserted into the plug hole 31 to connect the tab 2 and the pole 11.

Optionally, the tab 2 includes a bending portion 21 forming the insertion groove 201, and the bending portion 21 is bent to form a groove, and the groove forms the insertion groove 201. Wherein the bending portion 21 includes a supporting portion 211 forming a bottom wall of the insertion groove 201, a first groove side wall portion 212 provided at one side of the supporting portion 211, and a second groove side wall portion 213 provided at the other side of the supporting portion 211, the first groove side wall portion 212, and the second groove side wall portion 213 forming the insertion groove 201; the first groove side wall 212 includes a plurality of N elastic parts arranged at intervals, each elastic part being used for clamping the pole 11, and each elastic part being connected to the supporting part 211.

When the pole 11 is inserted into the insertion groove 201, the elastic portion elastically deforms and abuts against the side surface of the pole 11, thereby elastically clamping the pole 11 and allowing the pole 11 and the tab 2 to be conducted. It should be further noted that, the plug connection between the first plug connector 3 and the second plug connector 4 is equivalent to keeping the pole 11 at a proper plug position, so that the elastic pressure of the elastic portion to the pole is kept in a proper range, thereby avoiding the problem that the elastic pressure of the elastic portion to the pole is too large or too small, and being beneficial to prolonging the service life of the elastic sheet portion.

Optionally, the tab 2 further comprises a web portion 22, the web portion 22 connecting the second slot sidewall portion 213; two opposite sides of the connection plate portion 22 are respectively provided with one bending portion 21, and the two bending portions 21 are symmetrically arranged with respect to the connection plate portion 22. In this embodiment, the pole 11 is in a shape of a Chinese character 'shan', and when the pole 11 is inserted into the inserting groove 201, the top surface of the connecting plate 22 is also attached to the pole, so as to further improve the conducting effect between the tab 2 and the pole 11.

Example two

The embodiment discloses a module, which comprises a battery as described in the first embodiment. The number of cells is at least two.

The module may be a power module and may also include other necessary components such as a housing, control system, cooling system, etc.

Example III

The embodiment discloses a battery pack, which comprises the battery in the first embodiment. The number of cells is at least two.

The battery pack also comprises a box body, the battery is arranged in the box body, and the box body can also comprise necessary components such as a battery management system, a cooling system and the like.

Example IV

The embodiment discloses electric equipment, which comprises the battery.

The electric equipment can be an automobile, a mobile phone, portable equipment, a notebook computer, a ship, a spacecraft, an electric toy, an electric tool and the like.

The automobile can be a fuel oil automobile, a fuel gas automobile or a new energy automobile, and the new energy automobile can be a pure electric automobile, a hybrid electric automobile or a range-extending automobile and the like; spacecraft including airplanes, rockets, space planes, spacecraft, and the like; the electric toy includes fixed or mobile electric toys, such as a game machine, an electric car toy, an electric ship toy, and an electric airplane toy; power tools include metal cutting power tools, grinding power tools, assembly power tools, and railroad power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete shakers, and electric planers, among others.

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 technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A battery, characterized by comprising a battery cell (1) and a tab (2), the battery cell (1) having a protruding terminal (11), the tab (2) having a plug recess (201) for plug connection with the terminal (11);

the pole (11) is provided with a first plug connector (3), and the first plug connector (3) is in conductive connection with the pole (11); the second plug connector (4) used for being in plug connection with the first plug connector (3) is arranged on the tab (2), and the second plug connector (4) is in conductive connection with the tab (2);

when the pole (11) is inserted into the inserting groove (201) along the first direction, the pole (11) is inserted into and conducted with the tab (2), and the first inserting piece (3) is inserted into and conducted with the second inserting piece (4).

2. The battery according to claim 1, characterized in that the first plug connector (3) is provided with a plug hole (31) and the second plug connector (4) is provided with a plug post portion (41) matching the plug hole (31).

3. The battery according to claim 2, characterized in that the end of the pole (11) near the tab (2) is provided with a mounting groove (101), the first plug (3) being mounted in the mounting groove (101);

the second plug connector (4) is fixed on the bottom wall of the plug groove (201), the plug column part (41) is parallel to the first direction, and the plug column part (41) is located in the plug groove (201).

4. The battery according to claim 2, characterized in that a mounting through hole (202) is provided on the bottom wall of the insertion groove (201), and the second insertion member (4) has an insertion portion (42) inserted into the mounting through hole (202).

5. The battery according to claim 2, wherein the inner groove wall of the plug hole (31) is provided with a first conductive plating layer, and the outer periphery of the plug post portion (41) is provided with a second conductive plating layer;

when the first plug connector (3) is in conductive connection with the second plug connector (4), the first conductive coating is attached to the second conductive coating.

6. The battery according to claim 1, wherein a plurality of first connectors (3) are arranged on the pole (11) at intervals; a plurality of second connectors (4) are arranged on the tabs (2) at intervals corresponding to the first connectors (3).

7. The battery according to claim 1, characterized in that the first plug (3) is provided with a plug post portion (41) and the second plug (4) is provided with a plug hole (31) matching the plug post portion (41).

8. The battery according to claim 1, characterized in that the tab (2) comprises a curvature (21) forming the insertion groove (201);

the bending part (21) comprises a supporting part (211) forming the bottom wall of the inserting groove (201), a first groove side wall part (212) arranged on one side of the supporting part (211) and a second groove side wall part (213) arranged on the other side of the supporting part (211), wherein the supporting part (211), the first groove side wall part (212) and the second groove side wall part (213) form the inserting groove (201);

the first groove side wall part (212) comprises a plurality of N elastic parts which are arranged at intervals and used for clamping the pole (11), and each elastic part is connected with the supporting part (211).

9. The battery according to claim 8, wherein the tab (2) further comprises a connection plate portion (22), the connection plate portion (22) connecting the second groove side wall portion (213);

two opposite sides of the connecting plate part (22) are respectively provided with one bending part (21), and the two bending parts (21) are symmetrically arranged relative to the connecting plate part (22).

10. A module comprising at least two cells according to any one of claims 1 to 9.

11. A battery pack comprising at least two batteries according to any one of claims 1 to 9.

12. A powered device comprising a battery according to any one of claims 1 to 9, a module according to claim 10 or a battery pack according to claim 11.