CN220400843U

CN220400843U - Battery cell switching row and battery pack with various connections

Info

Publication number: CN220400843U
Application number: CN202322081232.1U
Authority: CN
Inventors: 黄杰
Original assignee: Anhui Mingde Yuanneng Technology Co ltd
Current assignee: Anhui Mingde Yuanneng Technology Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-01-26
Anticipated expiration: 2033-08-02

Abstract

The utility model discloses a battery cell switching row, which comprises a battery cell main body, wherein switching rows are arranged at two ends of an electrode of the battery cell main body in a matched manner, connecting pieces are connected to the switching rows through screws, nuts are arranged at the bottoms of the two ends of the switching rows and correspond to the positions of the screws, the nuts and the screws are matched for use, a battery pack which is connected in various manners is suitable for the battery cell switching row, and the positive electrode of one battery cell main body is electrically connected in series or in parallel with the negative electrode of the other battery cell main body through the connecting pieces; compared with the prior battery cells which are connected in a welding mode, the battery cell main body structure can improve the assembly and maintenance flexibility of the battery pack through the design, and is convenient for the future step application of the battery cells.

Description

Battery cell switching row and battery pack with various connections

Technical Field

The utility model relates to the technical field of battery packs, in particular to a battery cell transfer row with various connections and a battery pack.

Background

The battery pack is connected in series and in parallel, the voltage of each battery cell is required to be the same, the output voltage is equal to the voltage of one battery, and the parallel battery pack can provide stronger current;

when the current battery cells are produced, all the battery cells are welded into a whole according to the design in a welding mode in many cases. If a certain cell failure is found in the test or in operation in the production of the battery pack, the maintenance of the whole battery can be very difficult. Under the condition of low reliability, the battery needs to be detached from the battery pack by mechanical stress and replaced, and other normal battery cells are damaged in an immeasurable way, so that the maintained battery pack is in a dangerous state. Such as the entire set being discarded and replaced is costly.

The scheme has the further advantage that the capacity division and grouping can be performed again without damage on the battery cells applied to the next step, so that the safety and efficiency of step application are improved.

Therefore, it is highly desirable to design a flexible battery pack connection manner that facilitates rapid and non-destructive replacement and repair of individual cells.

Disclosure of Invention

1) Technical problem to be solved by the utility model

Aiming at the defects of the prior art, the utility model designs a battery cell transfer row which aims to solve the technical problems of relatively limited use, relatively poor universality of a welding connection process in the prior art.

2) Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a battery cell switching row, includes the battery cell main part, the electrode both ends of battery cell main part all are provided with the switching row in a matched manner, the switching row has the connecting piece through the screw connection, the bottom at switching row both ends and the position department of corresponding screw are provided with the nut, nut and screw mutually support and use.

As a preferable scheme of the utility model, the battery cell main bodies and the switching rows are connected in a welding mode or in a screw mode, and two switching rows are arranged on one battery cell main body in a matching way.

As a preferable scheme of the utility model, the center of the transfer row is designed to be concave and bent.

As a preferable scheme of the utility model, the connecting piece is made of one of copper bars, aluminum bars, nickel plates or PCBs.

In a preferred scheme of the utility model, the screw and the nut are connected in a threaded manner.

The battery pack is suitable for the battery cell transfer row, and the positive electrode of one battery cell main body is electrically connected with the negative electrode of the other battery cell main body through a connecting piece;

the plurality of battery cell main bodies are in a single-row arrangement design or a matrix arrangement design through the connecting pieces.

3) Advantageous effects

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

according to the utility model, the original welding scheme of the battery cells is optimized in a transfer row mode, so that the single battery cell can be replaced and maintained at any time according to the needs without bearing stress on other battery cells, and the scheme is very beneficial to the next step application of the battery cells.

Meanwhile, the battery cells in the battery pack are installed and connected through screws when being connected, so that the battery cells can be quickly assembled or disassembled, and the battery pack is convenient to maintain; when the battery cells are grouped, the battery cell voltage sampling is realized by adopting a connecting piece, when the connecting piece is a copper bar, an aluminum bar or a nickel sheet, a battery cell voltage sampling line can be crimped to the conductive bar by using a screw through a crimping terminal, and when the connecting piece is a PCB, the battery cell voltage sampling line is directly led out from a PCB power line to realize;

and secondly, the battery pack has higher grouping flexibility, is convenient to maintain, and simultaneously reduces the process requirement of battery pack assembly.

Drawings

Fig. 1 is a front view showing the structure of a battery body of the present utility model when it is mated with a connector;

FIG. 2 is a schematic view of the explosion structure of the battery body and the adapter sleeve of the present utility model;

FIG. 3 is a front view showing the structure of the battery pack according to the present utility model when connected in a single row;

fig. 4 is an electrical schematic diagram of the battery pack of the present utility model when connected in a single row.

In the figure: 1-cell main body, 2-switching row, 3-screw, 4-connecting piece, 5-nut.

Detailed Description

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 only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Examples:

the embodiment of the utility model provides a battery cell transfer row and a battery cell group which are connected in various ways, and the transfer row aims to solve the technical problems of higher use limitation and poorer universality of the transfer row in the prior art;

embodiment one:

referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a battery core switching row, including electric core main part 1, the electrode both ends of electric core main part 1 all are provided with switching row 2 in a supporting way, electric core main part 1 is integrated with switching row 2 structural design, and a electric core main part 1 is provided with two switching rows 2 in a supporting way, the center department that switching was arranged 2 is indent design of bending, switching row 2 bending structural design makes it can cooperate with different electric core main part 1 to use, no matter have the electric core main part 1 of protruding utmost point post or do not have the electric core main part 1 homoenergetic of protruding utmost point post to cooperate with it and use, very big degree has improved the general usability that switching was arranged 2.

Wherein, the switching row 2 is connected with connecting piece 4 through screw 3, and the material of connecting piece 4 is one of copper bar, aluminium row, nickel piece or PCB, adopts connecting piece 4 to realize when the electric core is in groups, and electric core voltage sampling is realized together with connecting piece 4.

When the connection member 4 is a copper bar, an aluminum bar, or a nickel plate, the battery voltage sampling line may be crimped to the conductive bar with the screw 3 using the crimp terminal.

When the connecting piece is a PCB, the battery cell voltage sampling line is directly led out from the PCB power line.

The screw bolt 3 and the screw bolt 5 are connected in a threaded manner, and the screw bolt 3 and the screw bolt 5 are matched with each other to be convenient for quickly mounting or dismounting the connecting piece 4.

Embodiment two:

referring to fig. 2-4, a combination manner of the battery cell groups is applicable to the switching row structure in the first embodiment, the positive electrode of one battery cell main body 1 is electrically connected with the negative electrode of another battery cell main body 1 through a connecting piece 4, the positive electrode of one battery cell main body 1 is connected with the connecting piece 4 through the switching row 2 by using the cooperation of the screw 3 and the nut 5, and the other end of the connecting piece 4 is connected with the switching row 2 of the negative electrode of another battery cell main body 1 by using the cooperation of the screw 3 and the nut 5.

The plurality of battery cell main bodies 1 are connected in a single-row arrangement and matching way through the connecting piece 4, and the single rows are distributed to form a battery pack I.

Embodiment III:

the other combination mode of the battery pack is suitable for the switching row structure in the first embodiment, the positive electrode of one cell main body 1 is electrically connected with the negative electrode of the other cell main body 1 through a connecting piece 4, the positive electrode of one cell main body 1 is connected and installed with the connecting piece 4 through the matching of the screw 3 and the nut 5 by the switching row 2, and the other end of the connecting piece 4 is connected with the switching row 2 of the negative electrode of the other cell main body 1 through the matching of the screw 3 and the nut 5.

Different from the combination mode in the second embodiment, the plurality of battery cell main bodies 1 are arranged in a matrix through the connecting pieces 4, and the battery packs II are formed by matrix distribution.

It should be noted that the above embodiments can be applied to the serial arrangement of the cell bodies 1, or the parallel arrangement of the cell bodies 1.

The working flow of the utility model is as follows: when the battery pack is used, the positive electrode of one battery cell main body 1 is connected and installed with the connecting piece 4 through the matching of the screw 3 and the nut 5 by the switching row 2, the other end of the connecting piece 4 is connected with the switching row 2 of the negative electrode of the other battery cell main body 1 through the matching of the screw 3 and the nut 5, the connection of the two battery cell main bodies 1 is completed, and the plurality of battery cell main bodies 1 are distributed in a single row or in a matrix arrangement to form the battery pack.

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

Claims

1. The utility model provides a battery cell switching row, includes electric core main part (1), its characterized in that: the battery cell is characterized in that the two ends of the electrode of the battery cell main body (1) are respectively provided with a switching row (2) in a matching way, the switching rows (2) are connected with connecting pieces (4) through screws (3), nuts (5) are arranged at the bottoms of the two ends of the switching rows (2) and correspond to the positions of the screws (3), and the nuts (5) are matched with the screws (3) for use.

2. The battery cell transfer bank of claim 1, wherein: the battery cell main bodies (1) are connected with the switching rows (2) in a welding mode or in a screw mode, and two poles of one battery cell main body (1) are respectively provided with one switching row (2).

3. The battery cell transfer bank of claim 2, wherein: the center of the switching row (2) is of a concave bending design.

4. The battery cell transfer bank of claim 1, wherein: the connecting piece (4) is made of one of copper bars, aluminum bars, nickel plates or PCBs.

5. The battery cell transfer bank of claim 1, wherein: the screw (3) is connected with the nut (5) in a threaded manner.

6. A multi-connection battery adapted for use in a cell transfer bank as defined in any one of claims 1-5, wherein: the positive electrode of one cell main body (1) is electrically connected with the negative electrode of the other cell main body (1) through a connecting piece (4);

the plurality of cell main bodies (1) are in a single-row arrangement design or a matrix arrangement design through the connecting pieces (4).