CN217606931U

CN217606931U - Battery pack

Info

Publication number: CN217606931U
Application number: CN202221798226.7U
Authority: CN
Inventors: 张烤
Original assignee: Ningbo Ruilitong Intelligent Technology Co ltd
Current assignee: Ningbo Ruilitong Intelligent Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-10-18
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a battery pack, including upper cover, reservoir shell, PCB board, first curb plate and second curb plate, the upper cover is located the top of reservoir shell, both sides all have the electrode slice through welded fastening around the reservoir shell, and first curb plate and second curb plate are located the place ahead and the rear of reservoir shell respectively, and the louvre has been seted up at the top of upper cover, and the electrode slice is including four groups L type sheetmetals, four groups prism sheetmetals, two sets of T type sheetmetals and a set of sharp sheetmetals of group. This battery package, structural setting through storage shell and electrode slice can realize the dislocation and arrange, and the structure is more compact, has bigger capacity under the same volume, and quick assembly and reduction BMS bonding wire quantity can be realized to PCB board cooperation nickel piece welding process, also has the function of assembling the electric current simultaneously, reduces the line loss, makes the preparation technology simpler simultaneously, only needs less circuit and welding operation just can realize the combination of multisection battery.

Description

Battery pack

Technical Field

The utility model relates to a battery package technical field specifically is battery package.

Background

At present, the capacity of a single battery of the battery is small, and in order to meet the requirements of customers on the performance of the battery with large capacity and large current, a plurality of nickel-hydrogen monocells are generally connected in series and in parallel to form a plurality of battery modules, and then the plurality of battery modules form a nickel-hydrogen battery pack. The collection of electric current is realized to the equal exclusive copper bar of using of a plurality of battery module now, along with energy density's promotion, the increase of battery module, and the copper bar structure is more and more complicated, and occupation space is big, is unfavorable for the miniaturization of battery package.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery package to propose the collection that current was realized to the equal exclusive use copper bar of a plurality of battery modules in solving above-mentioned background art, along with energy density's promotion, the increase of battery module, the copper bar structure is more and more complicated, and occupation space is big, is unfavorable for the miniaturized problem of battery package.

In order to achieve the above object, the utility model provides a following technical scheme: the battery pack comprises an upper cover, a storage shell, a PCB (printed circuit board), a first side plate and a second side plate, wherein the upper cover is located at the top of the storage shell, electrode plates are fixed to the front side and the rear side of the storage shell through welding, and the first side plate and the second side plate are located in the front and the rear of the storage shell respectively.

The top of the upper cover is provided with a heat dissipation hole.

The storage shell is characterized in that connecting columns are arranged at two ends of the top of the storage shell, and top connecting holes matched with the connecting columns are formed in the upper cover.

The electrode plates comprise four groups of L-shaped metal sheets, four groups of prismatic metal sheets, two groups of T-shaped metal sheets and one group of linear metal sheets, and metal contact pins are fixedly connected on the four groups of L-shaped metal sheets, the four groups of prismatic metal sheets, the two groups of T-shaped metal sheets and the one group of linear metal sheets.

The PCB board is provided with slots matched with the metal contact pins, and each group of electrode sheets is provided with a limiting surface.

Both sides all are provided with a plurality of side connecting hole around the reservoir shell, all set up on first curb plate and the second curb plate with side connecting hole assorted mounting hole.

The storage shell comprises a plurality of battery storage grooves which are integrally formed and connected.

And the PCB is provided with a thread groove matched with the mounting hole and the side connecting hole.

Compared with the prior art, the beneficial effects of the utility model are that: the battery pack can realize staggered arrangement by arranging the storage shell and the electrode plates in structure, has more compact structure and larger capacity under the same volume; the PCB is matched with the electrode plate welding structure, so that rapid assembly and reduction of the BMS welding wire quantity can be realized, the function of current gathering is realized, the line loss is reduced, the manufacturing process is simpler, and the combination of multiple batteries can be realized only by printing a circuit on a circuit board through welding points of the circuit board and the electrode plate.

Drawings

Fig. 1 is a schematic diagram of the structure of the present invention in front explosion.

Fig. 2 is a schematic diagram of the structure back explosion of the present invention.

Fig. 3 is a front view of the storage case of the present invention.

Fig. 4 is a schematic view of the electrode plate of the present invention.

In the figure: 1. an upper cover; 2. a storage shell; 3. a PCB board; 4. a first side plate; 5. a second side plate; 6. an electrode sheet; 7. heat dissipation holes; 8. a battery storage tank; 9. a slot; 10. mounting holes; 11. connecting holes on the side surface; 12. connecting columns; 13. and a metal contact pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the battery pack comprises a storage shell 2, a first side plate 4, a second side plate 5, a PCB 3 and an upper cover 1, wherein the storage shell 2 is respectively and fixedly connected with the first side plate 4 through a connecting hole 11 and a connecting column 12, electrode plates 6 are symmetrically arranged on the front side and the rear side of the storage shell 2, heat dissipation holes 7 are formed in the top of the upper cover 1, the connecting columns 12 are arranged at two ends of the top of the storage shell 2, top connecting holes matched with the connecting columns 12 are formed in the upper cover 1, the electrode plates 6 can be directly connected by penetrating through the connecting columns 12 through screws, each electrode plate 6 comprises four groups of L-shaped metal sheets, four groups of prismatic metal sheets, two groups of T-shaped metal sheets and one group of linear metal sheets, four groups of L-shaped metal sheets, four groups of prismatic metal sheets, two groups of T-shaped metal sheets and one group of linear metal contact pins 13, slots 9 matched with the metal contact pins 13 are formed in the PCB 3, the metal contact pins 13 are inserted into the slots 9 to realize electric connection, a limiting surface is arranged on each electrode plate 6, a plurality of side connecting holes 11 are formed in the front side and rear side of the storage shell 2, a plurality of side connecting holes 11 are formed in the storage shell 4 and the second side plate 5, and mounting holes 8 are formed in the storage slots 8, and a plurality of battery storage slots 8, and storage slots formed in which are integrally with the PCB storage slots 10.

In summary, the following steps: this battery package, structural setting through storage shell 2 and electrode slice 6 can realize the dislocation and arrange, and the structure is more compact, has bigger capacity under the same volume, and 3 cooperation nickel piece welding process of PCB board can realize rapid Assembly and reduce BMS bonding wire quantity, also have the function of assembling the electric current simultaneously, reduce the line loss, make the preparation technology simpler simultaneously, only need less circuit and welding operation just can realize the combination of multisection battery.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Battery package, including upper cover (1), storage case (2), PCB board (3), first curb plate (4) and second curb plate (5), its characterized in that: the upper cover (1) is located at the top of the storage shell (2), electrode plates (6) are fixed to the front side and the rear side of the storage shell (2) through welding, and the first side plate (4) and the second side plate (5) are located in front of and behind the storage shell (2) respectively.

2. The battery pack according to claim 1, wherein: the top of the upper cover (1) is provided with a heat dissipation hole (7).

3. The battery pack according to claim 1, wherein: the storage device is characterized in that connecting columns (12) are arranged at two ends of the top of the storage shell (2), and top connecting holes matched with the connecting columns (12) are formed in the upper cover (1).

4. The battery pack according to claim 1, wherein: the electrode plates (6) comprise four groups of L-shaped metal sheets, four groups of prismatic metal sheets, two groups of T-shaped metal sheets and one group of linear metal sheets, and the four groups of L-shaped metal sheets, the four groups of prismatic metal sheets, the two groups of T-shaped metal sheets and the one group of linear metal sheets are fixedly connected with metal contact pins (13).

5. The battery pack according to claim 4, wherein: the PCB (3) is provided with slots (9) matched with the metal contact pins (13), and each group of electrode plates (6) is provided with a limiting surface.

6. The battery pack according to claim 1, wherein: both sides all are provided with a plurality of side connecting hole (11) around reservoir shell (2), all offer on first curb plate (4) and second curb plate (5) with side connecting hole (11) assorted mounting hole (10).

7. The battery pack according to claim 1, wherein: the storage shell (2) comprises a plurality of battery storage grooves (8), and the battery storage grooves (8) are integrally formed and connected.

8. The battery pack according to claim 1, wherein: and the PCB (3) is provided with a thread groove matched with the mounting hole (10) and the side connecting hole (11).