CN216354519U

CN216354519U - Non-standard square aluminum shell lithium battery module structure

Info

Publication number: CN216354519U
Application number: CN202122858137.9U
Authority: CN
Inventors: 陈磊; 张华�
Original assignee: Changzhou You Mi New Energy Technology Ltd corp
Current assignee: Hangzhou Batrui New Energy Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-19
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a non-standard square aluminum shell lithium battery module structure which comprises a containing space and electric cores, wherein the containing space is formed by enclosing a bottom plate, an end plate and side plates together, the electric cores are connected through aluminum bars, a plurality of electric cores form a battery module, a plurality of battery modules are arranged in the containing space, grooves are formed in the upper surfaces of the electric cores, all the electric cores are sequentially arranged, so that the grooves in the upper surfaces of the electric cores are mutually connected to form a strip-shaped groove, a pressing plate is arranged in the strip-shaped groove, and two ends of the pressing plate are fixed on the end plate. The square aluminum shell battery module structure is suitable for grouping square aluminum shell lithium batteries, and has the advantages of firm structure, convenience in installation and flexibility in grouping. The heat dissipation effect is good, and economic nature is good, is very suitable for battery proof trial-manufacturing and small batch production. The design requirement of a plurality of series and parallel modules can be flexibly realized.

Description

Non-standard square aluminum shell lithium battery module structure

Technical Field

The utility model relates to a battery module structure, in particular to a non-standard square aluminum shell lithium battery module structure.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. The square aluminum shell is a cuboid aluminum shell battery cell structure. Along with the high-speed development of new forms of energy trade, the lithium cell is in fields such as energy storage, car, unmanned aerial vehicle wide use, because the difference of application scene, so the structural design requirement to the lithium cell module is more and more nimble. Square aluminum hull module structure is mostly open module batch production in the existing market, and the user can only select suitable model to use in the current model of module supplier when choosing the module for use.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a non-standard square aluminum shell lithium battery module structure.

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

the utility model provides a square aluminum hull lithium cell module structure of non-standard, includes and encloses the accommodation space who establishes and form jointly by bottom plate, end plate, curb plate, still includes the electric core that connects through the aluminium row, a plurality of the battery module of electricity core for a set of constitution, be provided with a plurality of battery module in the accommodation space, the upper surface of electricity core is provided with the recess, and whole electricity cores are arranged in proper order and are made the recess interconnect of each electric core upper surface constitute a bar groove, be provided with the clamp plate in the bar groove, the both ends of clamp plate are fixed in on the end plate.

Furthermore, mica sheets are arranged around the battery cell and between the battery cell and the end plate and the side plate.

Furthermore, the bottom plate is provided with a stud, the end plates are limited by the stud on the bottom plate and fixed by locking nuts, and the side plates are fixed on the front and rear end plates by bolts.

Furthermore, the bottom plate, the end plate, the side plate and the pressing plate are all cold plates with the thickness of 1.2 mm.

Furthermore, a plurality of reinforcing ribs extending longitudinally are arranged on the outer side of the end plate, and a plurality of heat dissipation holes are formed between every two adjacent reinforcing ribs.

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

the square aluminum shell battery module structure is suitable for grouping square aluminum shell lithium batteries, and has the advantages of firm structure, convenience in installation and flexibility in grouping. The heat dissipation effect is good, and economic nature is good, is very suitable for battery proof trial-manufacturing and small batch production. The design requirement of a plurality of series and parallel modules can be flexibly realized.

Drawings

FIG. 1 is an exploded view of a non-standard square aluminum case lithium battery module structure;

fig. 2 is an appearance view of a non-standard square aluminum shell lithium battery module structure.

The labels in the figure are: 1-M4 bolt; 2-electric core; 3-mica sheets; 4-a stud; 5, pressing a plate; 6-end plate; 7-side plate; 8-aluminum row; 9-a bottom plate; 10-M5 flange face bolts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a non-standard square aluminum shell lithium battery module structure as shown in figures 1-2. This square aluminum hull lithium battery module structure of nonstandard includes a core accommodation space, and this core accommodation space is enclosed jointly by bottom plate 9, two end plates 6, two curb plates 7 and establishes and form. Electric core 2 is connected through aluminium row 8, and a plurality of electric core 2 establishes ties or parallelly connected minimum unit of constituteing through certain law, and battery module promptly is provided with a plurality of battery module in this electric core accommodation space. The upper surface of electric core 2 is provided with the recess, and whole electric cores 2 are arranged in proper order and are made the recess interconnect of each electric core upper surface constitute a bar groove, installs a bar clamp plate 5 in the bar groove, and on two end plates 6 about this clamp plate 5's both ends were fixed in.

In this embodiment, mica sheets 3 are disposed around the battery cell 2, between the battery cell 2 and the end plate 6, and between the battery cell 2 and the side plate 7. And mica sheets 3 around the battery core 2 are used for insulation protection.

In this embodiment, the bottom plate 9, the two end plates 6, and the two side plates 7 are preferably detachably configured. Specifically, electric core 2 is placed on bottom plate 9, front and back end plates 6 are spacing through the double-screw bolt on bottom plate 9, lock nut after-fixing, curb plate 7 is spacing through M4 bolt 1 is fixed on front and back end plates, clamp plate 5 is on front and back end plates 6 with the bolt-up, realizes vertical direction spacing.

Preferably, in this embodiment, the bottom plate 9, the end plate 6, the side plate 7 and the pressing plate 5 are all cold plates with a thickness of 1.2 mm.

As shown in fig. 1, a plurality of longitudinally extending reinforcing ribs may be further disposed on the outer side of the end plate 7, and a plurality of heat dissipation holes are disposed between adjacent reinforcing ribs.

The non-standard square aluminum shell lithium battery module is simple in structure, low in cost, free of die sinking, capable of flexibly meeting the design requirements of multiple strings and multiple parallel modules and capable of greatly saving development and manufacturing time.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a square aluminum hull lithium cell module structure of non-standard, its characterized in that includes and encloses the accommodation space who establishes and form jointly by bottom plate, end plate, curb plate, still includes the electric core of connecting through the aluminium row, a plurality of the battery module is a set of constitution to electric core, be provided with a plurality of battery module in the accommodation space, the upper surface of electric core is provided with the recess, and whole electric cores are arranged in proper order and are made the recess interconnect of each electric core upper surface become a bar groove, be provided with the clamp plate in the bar groove, the both ends of clamp plate are fixed in on the end plate.

2. The non-standard square aluminum shell lithium battery module structure of claim 1, wherein mica sheets are further arranged around the battery cell and between the battery cell and the end plates and the side plates.

3. The non-standard square aluminum shell lithium battery module structure as claimed in claim 1, wherein the bottom plate is provided with a stud, the end plate is limited by the stud on the bottom plate and fixed by a locking nut, and the side plates are fixed on the front and rear end plates by bolts.

4. The non-standard square aluminum shell lithium battery module structure of claim 1, wherein the bottom plate, the end plate, the side plate and the pressing plate are all cold plates with a thickness of 1.2 mm.

5. The non-standard square aluminum shell lithium battery module structure as claimed in claim 1, wherein a plurality of ribs extending longitudinally are disposed on the outer side of the end plate, and a plurality of heat dissipation holes are disposed between adjacent ribs.