CN218070025U

CN218070025U - Laminate polymer battery module

Info

Publication number: CN218070025U
Application number: CN202221927175.3U
Authority: CN
Inventors: 戈志敏; 艾文文; 曹锡仪; 黄文杰; 胡清峰; 廖昌江; 钟宇豪
Original assignee: Jiangxi Ganfeng Lienergy Technology Co Ltd
Current assignee: Jiangxi Ganfeng Lienergy Technology Co Ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-16
Anticipated expiration: 2032-07-26

Abstract

The utility model provides a soft package battery module, which comprises a battery pack and a soft package battery module, wherein the battery pack is internally provided with a battery module, the battery module is composed of a plurality of U-shaped shells, two batteries are arranged in the U-shaped shells, two plastic connecting pieces are arranged on two sides of the U-shaped shells, and the inner sides of the batteries are provided with buffer cotton; realize convenient concatenation erection equipment through the plastic connecting piece, compare in traditional welded concatenation mode, utilize the plastic connecting piece installation with dismantle more portably, can be swift when needs maintain the laminate polymer battery module install the dismantlement, the follow-up maintenance of being convenient for, and can satisfy different demands according to the convenient change battery module's of user demand quantity.

Description

Laminate polymer battery module

Technical Field

The utility model relates to a lithium ion battery technical field especially relates to a laminate polymer battery module.

Background

Under the support of the national double-carbon policy and the benefit of the market, the power lithium ion battery industry develops very quickly, and particularly in the fields of two-wheel vehicles, passenger vehicles, buses, logistics vehicles and the like, the power lithium ion battery grows very quickly.

The power lithium battery is usually a hard shell lithium battery or a soft package lithium battery, wherein the outer packaging material of the soft package lithium battery is an aluminum-plastic composite film material, has the advantages of high safety, low internal resistance, light weight and the like, and is widely applied to the field of power batteries.

At present, the composition structure of the soft package power battery system generally comprises a battery to a module, and a battery system structure from the module. And soft packet of power battery physique is soft, and is difficult for fixing, and consequently traditional laminate polymer battery module structure is complicated to lead to system space utilization low, it is efficient in groups, current laminate polymer battery module frame is welded fastening usually, and unable swift installation dismantlement when needs maintain laminate polymer battery module, and can not satisfy different demands according to the convenient change battery module's of user demand quantity.

Therefore, we propose a pouch battery module to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the laminate polymer battery module that provides.

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

the utility model provides a laminate polymer battery module, includes the battery package, the internally mounted of battery package has battery module, battery module comprises a plurality of U type shells, and two batteries, a plurality of are all installed to the inside of a plurality of U type shells two plastic connecting pieces, a plurality of are all installed to the both sides of U type shell the inboard of battery all is equipped with the buffering cotton.

Further preferably, it is a plurality of the both ends of U type shell all are equipped with the slider, and the inside of a plurality of plastic connecting pieces all is equipped with the spout, and the slider that U type shell both ends were equipped with is located inside the spout on the plastic connecting piece.

Further preferably, the batteries are all rectangular parallelepiped in shape, and the size of the batteries is consistent with that of the buffer cotton.

It is further preferred, a plurality of the protecting cover is all installed to one side of plastic connecting piece, and plastic connecting piece and protecting cover all use the U shell to be the symmetry setting as the center.

Preferably, the inner sides of the plurality of battery modules are provided with fixed wedge-shaped plates, and one side of each of the plurality of battery modules is provided with an end wedge-shaped plate.

Further preferably, the battery pack includes a case, and the plurality of battery modules are located inside the case

Further preferably, the top parts of the two ends of the plurality of U-shaped shells are respectively provided with a conductive connecting piece, and the two ends of the conductive connecting piece are respectively connected with the two U-shaped shells.

Further preferably, both sides of the plurality of conductive connecting pieces are provided with through grooves, and the middle positions of the plurality of conductive connecting pieces are conductive flexible connecting buckles.

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

realize convenient concatenation erection equipment through the plastic connecting piece, compare in traditional welded concatenation mode, utilize the plastic connecting piece installation with dismantle more portably, can be swift when needs maintain the laminate polymer battery module install the dismantlement, the follow-up maintenance of being convenient for, and can satisfy different demands according to the convenient change battery module's of user demand quantity.

Drawings

Fig. 1 is a schematic view of a pouch battery module according to the present invention;

fig. 2 is a schematic structural diagram of an explosion diagram of a battery pack provided by the present invention;

fig. 3 is a schematic structural diagram of a battery module provided by the present invention;

figure 4 is the utility model provides a schematic diagram of the internal structure of the U-shaped shell

Fig. 5 is the utility model provides a fixed contract plate and tip contract plate structure schematic diagram.

Fig. 6 is the schematic view of the structure of the conductive flexible connector provided by the utility model

Fig. 7 is an expanded schematic view of the arrangement of the battery pack structure provided by the present invention;

fig. 8 is a schematic diagram illustrating the longitudinal arrangement and expansion of the battery pack structure provided by the present invention;

fig. 9 is a schematic diagram illustrating a lateral arrangement and expansion of the battery pack structure according to the present invention.

In the figure: 1. a battery pack; 2. a battery module; 3. fixing the wedge plate; 4. an end wedge plate; 5. a box body; 6. a conductive connecting member; 7. A U-shaped shell; 8. a battery; 9. a plastic connecting piece; 10. a protective cover; 11. buffering cotton; 12. a groove; 13. electrically conductive flexible coupling buckle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-9, a laminate polymer battery module, including battery package 1, the internally mounted of battery package 1 has battery module 2, battery module 2 comprises for a plurality of U type shells 7, and two batteries 8, a plurality of are all installed to the inside of a plurality of U type shells 7 two plastic connecting pieces 9, a plurality of are all installed to the both sides of U type shell 7 the inboard of battery 8 all is equipped with buffering cotton 11.

The battery 8 utmost point ear passes plastic connecting piece 9 and is connected on the busbar of external installation, then arranges in U type shell 7, and bottom coating heat conduction structure glue is used for fixed battery 8 in U type shell 7, strengthens the heat dissipation of battery 8, and the protecting cover 10 prevents that utmost point ear and plastic connecting piece 9 from being connected.

It is a plurality of the both ends of U type shell 7 all are equipped with the slider, and the inside of a plurality of plastic connecting piece 9 all is equipped with the spout, and the slider that U type shell 7 both ends were equipped with is located inside the spout on the plastic connecting piece 9.

Realize convenient concatenation erection equipment through plastic connecting piece 9, compare in traditional welded concatenation mode, utilize the installation of plastic connecting piece 9 and dismantle more portably, can be swift when needs maintain laminate polymer battery module 2 installs the dismantlement, the follow-up maintenance of being convenient for, and can satisfy different demands according to the convenient quantity of change battery module 2 of user demand.

It is a plurality of battery 8 all is the cuboid shape, and battery 8's size is unanimous with the cotton 11 size of buffering, and battery 8 is laminate polymer battery, can produce gas because of the electrolyte reaction in the battery 8 after laminate polymer battery uses for a long time to cause battery 8 to swell easily, two batteries 8 are cracked because external effort easily, and the expansive force that 8 inflation of battery produced can be absorbed to buffering cotton 11, can effectually prevent that battery 8 from breaking.

It is a plurality of protecting cover 10 is all installed to one side of plastic connecting piece 9, and plastic connecting piece 9 and protecting cover 10 all use U shell 7 to be the symmetry setting as the center, and protecting cover 10 can prevent that utmost point ear and plastic connecting piece 9 from being connected and causing the battery 8 short circuit, sets up through the position of plastic connecting piece 9 and protecting cover 10 simultaneously, enables U shell 7 by stable fixing.

It is a plurality of 2 inboards of battery module all are equipped with fixed template 3 that agrees with, and one side of a plurality of battery module 2 all is equipped with tip template 4 that agrees with, and battery module 2 piles up the direction and has agreed with the type subassembly respectively, and fixed template 3 that agrees with is fixed box 5 on box 5 for spacing fixed battery module 2, tip template 4 that agrees with has a plurality of recesses, is used for the external equipment anchor clamps to pack battery module 2 into box 5.

The battery pack 1 comprises a box body 5, the battery modules 2 are located inside the box body 5, the box body 5 is formed by splicing a plurality of end plates and side plates, and the battery pack can be suitable for the battery packs 1 of the battery modules 2 with different quantities.

It is a plurality of electrically conductive connecting piece 6 is all installed at the both ends top of U type shell 7, and two U type shells 7 are connected respectively at the both ends of electrically conductive connecting piece 6, and electrically conductive connecting piece 6 of establishing ties between battery module 2 is a plurality of the both sides of electrically conductive connecting piece 6 all are equipped with the recess 12 that runs through, and the intermediate position of a plurality of electrically conductive connecting piece 6 is electrically conductive flexible coupling buckle 13, and electrically conductive connecting piece 6 tip recess 12 is the fixed position, and electrically conductive flexible coupling buckle 13 is crooked position, lies in eliminating electrically conductive connecting piece 6 fixed position stress when the battery inflation.

Claims

1. The utility model provides a laminate polymer battery module, includes battery package (1), its characterized in that, the internally mounted of battery package (1) has battery module (2), battery module (2) are a plurality of U shell (7) to be constituteed, and two battery (8) are all installed to the inside of a plurality of U shell (7), and are a plurality of two plastic connecting piece (9) are all installed to the both sides of U shell (7), and are a plurality of the inboard of battery (8) all is equipped with buffering cotton (11).

2. The soft package battery module according to claim 1, wherein the two ends of the U-shaped shells (7) are provided with sliding blocks, the plastic connecting members (9) are provided with sliding grooves, and the sliding blocks arranged at the two ends of the U-shaped shells (7) are located in the sliding grooves on the plastic connecting members (9).

3. The soft package battery module according to claim 1, wherein the plurality of batteries (8) are rectangular parallelepiped, and the size of the batteries (8) is the same as that of the buffer cotton (11).

4. The soft package battery module according to claim 1, characterized in that a plurality of protecting covers (10) are installed on one side of the plastic connecting pieces (9), and the plastic connecting pieces (9) and the protecting covers (10) are symmetrically arranged by taking the U-shaped shell (7) as a center.

5. The laminate polymer battery module according to claim 1, wherein the inner sides of the battery modules (2) are provided with fixed wedge-shaped plates (3), and one side of each battery module (2) is provided with an end wedge-shaped plate (4).

6. The laminate battery module according to claim 1, wherein the battery pack (1) comprises a case (5), and the plurality of battery modules (2) are located inside the case (5).

7. The soft package battery module according to claim 1, wherein the conductive connecting members (6) are mounted at the tops of two ends of the U-shaped shells (7), and two ends of each conductive connecting member (6) are respectively connected with two U-shaped shells (7).

8. The soft package battery module according to claim 7, wherein both sides of the conductive connecting members (6) are provided with through grooves (12), and the middle positions of the conductive connecting members (6) are conductive flexible connecting buckles (13).