CN221041449U

CN221041449U - Converging integrated lithium battery pack

Info

Publication number: CN221041449U
Application number: CN202322361333.4U
Authority: CN
Inventors: 蒋金国
Original assignee: Suzhou New Power Energy Co ltd
Current assignee: Suzhou New Power Energy Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-05-28
Anticipated expiration: 2033-08-31

Abstract

The utility model relates to a confluence integrated lithium battery pack, which comprises a shell, a bracket and a plurality of battery cells, wherein the shell comprises a left shell and a right shell, a limiting groove is formed in the end part of the left shell, a charging socket and a discharging socket are arranged in the limiting groove, one ends of the charging socket and the discharging socket extend out of the right shell, the other ends of the charging socket and the discharging socket penetrate through a bus plate made of insulating materials, a discharging connector and a charging connector are further arranged on the bus plate, the discharging connector and the charging connector are respectively and electrically connected with the output end and the input end of a lithium battery protection plate, the discharging connector and the charging connector are respectively connected with the discharging socket and the charging socket through copper foils, fuses are connected in series with the discharging connector and the charging connector, the connection among the connectors, the sockets and the fuses is converted into copper foils, and then the copper foils are bonded and integrated in the bus plate, so that the situation that a plurality of wire harnesses and disorder are caused by connection is avoided. The bus bars are limited in the limiting grooves, so that extrusion of the battery cells and the bus bars is avoided.

Description

Converging integrated lithium battery pack

Technical Field

The utility model relates to a lithium battery, in particular to a converging integrated lithium battery pack

Background

The lithium battery current package is connected owing to connect between charge-discharge's terminal, fuse and the plug, needs to set up a plurality of wires and connects, especially in small-size lithium battery package, because the space is limited, a plurality of wires often are the form nest of buckling and become one group, so, the wire just generates heat ageing and fracture easily, and in case ageing and fracture probably take place circuit breaking and short circuit condition, causes the damage of lithium battery.

Disclosure of utility model

The utility model aims to provide a converging integrated lithium battery pack, which solves the problems of more wires and mess

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a confluence integrated lithium battery pack which comprises a shell, a support arranged in the shell and a plurality of electric cores arranged in the support, wherein the shell comprises a left shell and a right shell, a limiting groove is formed in the end part of the right shell, a charging socket and a discharging socket are arranged in the limiting groove, one ends of the charging socket and the discharging socket extend out of the right shell, the other ends of the charging socket and the discharging socket penetrate through a bus plate made of insulating materials, a discharging connector and a charging connector made of metal materials are further arranged on the bus plate, the discharging connector and the charging connector are respectively electrically connected with the output end and the input end of a lithium battery protection plate, the lithium battery protection plate is arranged on the support, the discharging connector and the discharging socket are connected through copper foils, the charging connector and the charging socket are also connected through copper foils, fuses are connected in series with the discharging connector and the charging connector, and the copper foils are adhered in the bus plate.

Preferably, the fuse is disposed within a fuse holder, one end of the fuse holder extending out of the housing.

Preferably, the waterproof cover is further arranged outside the support, a through hole is further formed in one side, close to the limiting groove, of the waterproof cover, a wire passing frame is arranged in the through hole, and a wire passing hole is formed in the wire passing frame.

Preferably, a baffle is further arranged in the limiting groove, the baffle is arranged on one side, close to the wire passing frame, of the limiting groove, and at least two wire arranging holes are formed in the baffle.

Preferably, the limiting groove is internally provided with protection seats respectively corresponding to the charging socket, the discharging socket and the fuse seat.

Preferably, the discharging connector and the charging connector are electrically connected with the output end and the input end of the lithium battery protection board through wires, and one end of each wire is connected with the connector through a screw

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

According to the bus integrated lithium battery pack, the connection among the connector, the socket and the fuse is converted into the copper foil, the copper foil is bonded and integrated in the bus, and then the connector is electrically connected with the protective plate of the lithium battery, so that the current situation that the number of the wire harnesses is large and disordered due to the fact that the wire harnesses are connected through the wire harnesses is avoided. Meanwhile, the busbar is limited in the limiting groove, so that extrusion of the battery cell is avoided, and the inner structure of the shell is neat and orderly placed.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the utility model with the housing removed;

FIG. 4 is a schematic view of the left housing of the present utility model;

fig. 5 is a schematic view of the structure with the left housing and the waterproof cover removed;

FIG. 6 is an enlarged view of FIG. 3A;

fig. 7 is an enlarged view at fig. 4B.

Wherein reference numerals are as follows:

11. A left housing; 12. a right housing;

2. a bracket; 21. lithium battery protection board

3. A battery cell;

41. A charging socket; 42. a discharge socket; 43. a fuse holder; 44. a discharge connector; 45. a charging connector; 46. protective seat

5. A bus plate;

6. A waterproof cover; 61. wire passing frame; 62. a wire through hole;

7. A baffle; 71. a wire arranging hole;

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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 embodiment, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1 and 4, this example includes a housing, a support 2 disposed in the housing, and a plurality of battery cells 3 disposed in the support 2, the housing includes a left housing 11 and a right housing 12, the left housing 11 and the right housing 12 compose a complete housing, the support 2 includes a left support 2 and a right support 2, the left support 2 and the right support 2 fix and limit the plurality of battery cells 3, a lithium battery protection board is further disposed outside the support 2, and the lithium battery protection board is used for overvoltage and current protection for the plurality of battery cells 3. The end part of the right shell 12 is provided with a limit groove for placing a connecting device between the battery cell 3 and the outside.

As shown in fig. 7, the bracket 2 is further provided with a waterproof cover 6, one side of the waterproof cover 6, which is close to the limiting groove, is also provided with a through hole, except the through hole, the waterproof cover 6 is in sealing arrangement, liquid and dust can be effectively prevented from entering, a wire passing frame 61 is arranged in the through hole, the wire passing frame 61 is provided with two wire passing holes 62, and the wire passing holes 62 are respectively used for passing through an input wire and an output wire.

As shown in fig. 2, 3 and 5, a charging socket 41 and a discharging socket 42 are arranged in the limiting groove, one ends of the charging socket 41 and the discharging socket 42 extend out of the right shell 12, the other ends penetrate through a bus plate 5 made of an insulating material, connectors made of a metal material are further arranged on the bus plate, the connectors comprise a discharging connector 44 and a charging connector 45, an output wire and an input wire are respectively connected to an output end and an input end of the lithium battery protection plate, and the other ends of the output wire and the input wire are fixedly connected to the discharging connector 44 and the charging connector 45 through screws, so that the output end and the input end of the lithium battery protection plate are electrically connected with the discharging connector 44 and the charging connector 45; the discharging connector is connected with the discharging socket 42 through copper foil, the charging connector is connected with the charging socket 41 through copper foil, the discharging connector 44 and the charging connector 45 are all connected with fuses in series through copper foil, and the plurality of copper foils are bonded and integrated in the bus bar, so that the connectors, the sockets and the fuses are all communicated through copper foil, a charging circuit and a discharging circuit are respectively realized, charging and discharging of the battery cell 3 are respectively realized, and mess and extrusion caused by using a plurality of wires are avoided.

The charging circuit and the discharging circuit are internally provided with fuses, when overload or overtemperature occurs, the fuses are fused, and then the protection circuit is arranged in the fuse holder, one end of the fuse holder extends out of the shell, and whether the fuses are conveniently replaced after being fused or not is conveniently observed.

As shown in fig. 6, a baffle 7 is further disposed in the limiting slot, the baffle 7 is disposed on one side of the limiting slot near the wire passing frame 61, at least two wire arranging holes 71 are disposed on the baffle 7, the baffle 7 serves to limit the limiting slot and protect the bus plate 5, and the wire arranging holes 71 serve to isolate the wires differentiated by the wire passing holes 62, so as to avoid a connection error due to a broken short circuit.

The limiting groove is internally provided with a protection seat 46 corresponding to the charging socket 41, the discharging socket 42 and the fuse seat 43 respectively, the protection seat 46 is formed by injection molding, the structure of the protection seat 46 is consistent with the electric socket, the discharging socket 42 and the fuse seat 43, the size of the protection seat is larger than that of the charging socket 41, the discharging socket 42 and the fuse seat 43, and the protection seat is covered with the protection seat, and is used for limiting the position to protect the safety of the charging socket, the discharging socket 42 and the fuse seat 43.

In specific use, the output lead and the input lead led out from the output end and the input end of the lithium battery protection board pass through the wire through holes 62 on the wire through frame 61 on the through hole, respectively pass through the wire through holes 71, and are then connected to the discharging connector 44 and the charging connector 45, so that the charging and discharging of the battery core 3 can be realized through the connection with the discharging socket 42 and the charging socket 41.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides an integrated form lithium cell package converges, includes the casing, sets up support and the a plurality of electric core of setting in the support in the casing, its characterized in that, the casing includes left casing and right casing, right casing tip is provided with the spacing groove, be provided with the socket that charges in the spacing groove and discharge the socket, the socket that charges and discharge socket one end extend right casing, the other end run through insulating material's busbar, still be provided with metal material connector and the connector that charges on the busbar, the connector that discharges and the connector that charges are connected with lithium battery protection board's output and input electricity respectively, lithium battery protection board sets up on the support, the connector that discharges and the socket that discharges are connected through the copper foil, the connector that charges is also connected through the copper foil, the connector that discharges and the connector that charges are established ties has the fuse, the copper foil bonds in the busbar.

2. The bus integrated lithium battery pack according to claim 1, wherein: the fuse is arranged in the fuse holder, and one end of the fuse holder extends out of the shell.

3. The bus integrated lithium battery pack according to claim 1, wherein: the waterproof support is characterized in that a waterproof cover is further arranged outside the support, a through hole is further formed in one side, close to the limiting groove, of the waterproof cover, a wire passing frame is arranged in the through hole, and a wire passing hole is formed in the wire passing frame.

4. A converging integrated lithium battery pack according to claim 3, wherein: the limiting groove is internally provided with a baffle plate, the baffle plate is arranged on one side, close to the wire passing frame, of the limiting groove, and at least two wire arranging holes are formed in the baffle plate.

5. The bus integrated lithium battery pack according to claim 1, wherein: and the limiting groove is internally provided with protection seats respectively corresponding to the charging socket, the discharging socket and the fuse seat.

6. The bus integrated lithium battery pack according to claim 1, wherein: the discharging connector and the charging connector are electrically connected with the output end and the input end of the lithium battery protection board through wires, and one end of each wire is connected to the connector through a screw.