CN214043826U

CN214043826U - Expanded tiled laminate polymer battery module and car

Info

Publication number: CN214043826U
Application number: CN202120034556.8U
Authority: CN
Inventors: 刘萱; 梁宏伟; 何亚飞
Original assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Current assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-08-24
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses an expanded tiled laminate polymer battery module and car, this battery module include the casing, are equipped with the electric core unit of a plurality of tiling in the casing, and electric core unit includes the U shell, is equipped with a plurality of electric cores that pile up in the U shell, and the U shell includes turn-ups, turn-ups and side overlap joint boss down, and the U shell forms the overlap joint opening with one side that the side overlap joint boss is relative, and the side overlap joint boss can cooperate with the overlap joint opening overlap joint of adjacent electric core unit. The utility model discloses expanded tiled laminate polymer battery module adopts electric core unit tiling structure, can match the customer and to the boundary demand of different battery packages, promotes PACK space utilization, promotes vehicle continuation of the journey mileage then, and simultaneously, the overlap joint equipment of the electric core unit of being convenient for of its U shell structure, the extension of the module of being convenient for to can effectively protect inside electric core isotructure, extension module life.

Description

Expanded tiled laminate polymer battery module and car

Technical Field

The utility model relates to a battery technology field, concretely relates to expanded tiled laminate polymer battery module and car.

Background

At present electric automobile mostly reforms transform by the fuel car, and battery package system dysmorphism design can't avoid, and there is regional difference in height in PACK inner space, and the space that highly is less than electric core height often does not do the utilization, but for promoting entire system energy density, most host computer factories can adopt high nickel material electric core to promote battery energy, and under the prior art level, high nickel material electric core security is than lower.

The existing battery module has the following problems: at present, most of modules are stacked in the thickness direction of a battery cell, and the height of the module is limited due to the stacking direction of the battery cell and the width of the battery cell; after the modules are grouped in the PACK, the space utilization rate is lower; the modules cannot completely match the customer's needs for different boundaries.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an expanded tiled laminate battery module that rational in infrastructure, can match the customer to the boundary demand of different battery packages.

In order to solve the problem, the utility model provides an expanded tiled laminate polymer battery module, it includes the casing, be equipped with a plurality of tiled electric core units in the casing, electric core unit includes the U shell, be equipped with a plurality of electric cores that pile up in the U shell, the U shell includes turn-ups, turn-ups and side overlap joint boss down, the U shell with one side that the side overlap joint boss is relative forms the overlap joint opening, the side overlap joint boss can cooperate with the overlap joint opening overlap joint of adjacent electric core unit.

As a further improvement, the electric core is provided with utmost point ear, the both ends of electric core unit are equipped with busbar and busbar support, be equipped with utmost point ear hole on the busbar support, utmost point ear level passes bend behind the utmost point ear hole extremely with on the busbar to welded fastening is in on the busbar.

As a further improvement, an insulating plate is further arranged between the two sides of the electric core unit and the shell.

As a further improvement, the utility model is provided with an overlapping platform on the insulating board on one side of the overlapping opening, the insulating board passes through the overlapping platform cooperates with the overlapping opening.

As a further improvement of the present invention, the housing includes a bottom plate, an upper cover plate, a pair of end plates, and a pair of side plates, the bottom plate, the upper cover plate, the pair of end plates, and the pair of side plates are formed by welding the housing.

As a further improvement of the present invention, the U-shaped shell and the bottom plate are connected by a structural adhesive.

As a further improvement, the upper cover plate is provided with a reinforcing rib, and the direction of the reinforcing rib is perpendicular to the extension direction of the cell unit.

As a further improvement, the side plate is provided with a module fixing hole and a module hoisting hole.

In order to solve the problem, the utility model also provides an automobile, it includes above-mentioned arbitrary expanded tiled laminate polymer battery module.

The utility model has the advantages that:

the utility model discloses expanded tiled laminate polymer battery module adopts electric core unit tiling structure, can match the customer and to the boundary demand of different battery packages, promotes PACK space utilization, promotes vehicle continuation of the journey mileage then, and simultaneously, the overlap joint equipment of the electric core unit of being convenient for of its U shell structure, the extension of the module of being convenient for to can effectively protect inside electric core isotructure, extension module life.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic diagram of an external structure of an expandable tiled pouch battery module according to a preferred embodiment of the present invention;

fig. 2 is an exploded schematic view of an expandable tiled pouch battery module according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cell unit in a preferred embodiment of the present invention;

fig. 4 is a schematic structural diagram of a plurality of cell units tiled in a preferred embodiment of the present invention;

FIG. 5 is a schematic view of the structure at A in FIG. 4;

FIG. 6 is a schematic view of the structure at B in FIG. 4;

fig. 7 is a schematic structural view of a side plate in a preferred embodiment of the present invention.

Description of the labeling: 10. a cell unit; 11. an electric core; 12. a tab; 13. upward flanging; 14. downward flanging; 15. a side lap joint boss; 16. overlapping the openings; 21. a bus bar; 22. a busbar support; 23. a pole ear hole; 31. a base plate; 32. an upper cover plate; 321. reinforcing ribs; 33. an end plate; 34. a side plate; 341. a module fixing hole; 342. hoisting holes for the modules; 40. an insulating plate; 41. a lapping table; 50. a protective cover.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1-2, for the expandable tiled laminate battery module in the preferred embodiment of the present invention, the expandable tiled laminate battery module includes a housing, and a plurality of tiled battery cell units 10 are disposed in the housing.

As shown in fig. 3 to 6, the cell unit 10 includes a U-shaped shell, a plurality of stacked cells 11 are disposed in the U-shaped shell, the U-shaped shell includes an upper flange 13, a lower flange 14, and a side overlapping boss 15, a side of the U-shaped shell opposite to the side overlapping boss 15 forms an overlapping opening 16, and the side overlapping boss 15 can be in overlapping fit with the overlapping opening 16 of an adjacent cell unit 10.

When the battery works, the heat insulating layer 13 avoids the bottom of the battery core 12 from radiating or heating too fast, and under the action of the heat insulating layer 13, the heat generated by the battery core 12 is transmitted to the bottom of the shell through the heat conducting structure glue 14 on two sides, and meanwhile, the heat between two adjacent battery core units 10 can be conducted mutually, so that the temperature difference between the battery core units 10 is ensured within a reasonable range, and the service life of the module is prolonged.

When the extension is needed, only the new cell unit 10 needs to be lapped at the existing lapping opening 16, so that the number of the cell units 10 in the battery module can be set as required.

Electric core 11 all is provided with utmost point ear 12, the both ends of electric core unit 10 are equipped with busbar 21 and busbar support 22, be equipped with utmost point ear hole 23 on the busbar support 22, utmost point ear 12 level is passed bend behind the utmost point ear hole 23 extremely with on the busbar 21 to welded fastening in on the busbar 21, realize the inside series-parallel connection of module.

In some embodiments, an insulating plate 40 is further disposed between the two sides of the cell 11 unit 10 and the casing. Optionally, an overlapping table 41 is arranged on the insulating plate 40 on one side of the overlapping opening 16, and the insulating plate 40 is in overlapping fit with the overlapping opening 16 through the overlapping table 41, so that the stability of the structure is ensured.

In some embodiments, the housing includes a bottom plate 31, an upper cover plate 32, a pair of end plates 33, and a pair of side plates 34, and the bottom plate 31, the upper cover plate 32, the pair of end plates 33, and the pair of side plates 34 form the housing by welding. Optionally, the bottom plate 31, the upper cover plate 32, the pair of end plates 33, and the pair of side plates 34 are made of metal.

Optionally, structural adhesive is filled between the U-shaped shell and the bottom plate 31 and between the U-shaped shell and the upper cover plate 32, so that the mechanical strength and rigidity of the module are improved.

In some embodiments, the upper cover plate 32 is provided with a stiffener 321, and the direction of the stiffener 321 is perpendicular to the expansion direction of the battery cell 11 unit 10, so as to enhance the strength of the module, wherein in one embodiment, the stiffener 321 is shaped like a Chinese character 'chuan'. In other embodiments, the orientation and shape of the reinforcing ribs 321 can be set according to actual needs.

Optionally, a plurality of stacked battery cells 11 in the battery cell unit 10 are fixed by gluing, so as to prevent the molded battery cells 11 from being dislocated from each other.

As shown in fig. 7, optionally, module fixing holes 341 and module hoisting holes 342 are formed on the side plates 34, and the module fixing holes 341 and the module hoisting holes 342 are symmetrically distributed on the two side plates 34.

In some embodiments, the end plate 33 is provided with a low voltage communication plug-in hole and a protective cover 50, and the protective cover 50 is connected with the end plate 33 through a snap to effectively protect the low voltage communication plug-in.

The utility model discloses still disclose an automobile in the preferred embodiment, this automobile includes the expanded tiled laminate polymer battery module in the above-mentioned embodiment.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides an expanded tiled laminate polymer battery module, a serial communication port, which comprises a housin, be equipped with the electric core unit of a plurality of tiling in the casing, electric core unit includes the U shell, be equipped with a plurality of electric cores that pile up in the U shell, the U shell includes turn-ups, turn-ups and side overlap joint boss down, the U shell with one side that the side overlap joint boss is relative forms the overlap joint opening, the side overlap joint boss can cooperate with the overlap joint opening overlap joint of adjacent electric core unit.

2. The expandable flat-type soft package battery module according to claim 1, wherein the battery cells are provided with tabs, the two ends of each battery cell unit are provided with a busbar and a busbar support, the busbar support is provided with tab holes, and the tabs horizontally penetrate through the tab holes, are bent to the busbar and are welded and fixed on the busbar.

3. The expandable tiled laminate battery module of claim 1, wherein insulation plates are further provided between the two sides of the cell unit and the housing.

4. The expandable tiled pouch battery module of claim 3, wherein a landing pad is provided on the insulating plate on one side of the landing opening, through which the insulating plate is in landing engagement with the landing opening.

5. The expandable flat pack battery module of claim 1, wherein the housing comprises a bottom plate, an upper cover plate, a pair of end plates, and a pair of side plates, the bottom plate, the upper cover plate, the pair of end plates, and the pair of side plates forming the housing by welding.

6. The expandable tiled laminate battery module of claim 5, wherein structural glue is filled between the U-shaped shell and the bottom plate and between the U-shaped shell and the upper cover plate.

7. The expandable flat-type soft package battery module according to claim 5, wherein the upper cover plate is provided with a reinforcing rib, and the direction of the reinforcing rib is perpendicular to the expansion direction of the cell unit.

8. The expandable tiled pouch battery module of claim 5, wherein module fixing holes and module lifting holes are provided on the side plates.

9. An automobile, characterized by comprising the expandable flat-type soft-package battery module according to any one of claims 1 to 8.