CN217239698U

CN217239698U - Novel battery module end plate

Info

Publication number: CN217239698U
Application number: CN202220398091.9U
Authority: CN
Inventors: 迟同胜; 张起东
Original assignee: Shandong Dejin New Energy Technology Co ltd
Current assignee: Shandong Dejin New Energy Technology Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-19
Anticipated expiration: 2032-02-25

Abstract

The utility model provides a novel battery module end plate, include: the end plate body is fixedly connected with the electric core group, reinforcing ribs are arranged in the inner cavity of the end plate body and are obliquely connected with two end faces of the end plate body, and the reinforcing ribs and the end faces are triangular on the top face and the bottom face of the end plate body; the fixed part is located end plate body bottom, and the fixed part includes the breach groove with outside box crossbeam matched with, the electric core group bottom parallel and level of fixed part bottom and battery module. The electrical safety of the battery module can be improved.

Description

Novel battery module end plate

Technical Field

The utility model belongs to the technical field of power battery, specifically say so and relate to a novel battery module end plate.

Background

In recent years, new energy has been receiving more and more social attention, and among them, new energy automobiles have been also vigorously developed. The battery module generally includes a plurality of electric cores, and a battery package is constituteed to a plurality of modules, and this is automobile-used power battery's basic structure. The battery module generally adopts aluminium system end plate to form as outside protection connection, and the module mainly relies on the end plate to guarantee the stability of electric core because under operating condition, the battery can receive operating modes such as vibration, impact, extrusion, durable, and the module can adopt the bolt to fix it to provide more stable installation intensity. In addition, the battery core generates a large expansion force along with the cyclic charge and discharge, and the limiting force needs to be provided by the end plate and the binding belt.

People require more and more high to new energy automobile's electrical safety, but the end plate of present battery module is shorter than electric core, and intensity is not enough moreover, can not protect electric core well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel battery module end plate can improve the electrical safety of battery template.

The utility model provides a novel battery module end plate sets up at battery module tip, and the battery module includes electric core group, end plate, aluminium run-on, output polar seat and binds the area, and the end plate setting is in the outside protection as the battery module of electric core group, and it is peripheral at the end plate to bind the area, include:

the end plate body is fixedly connected with the cell group, reinforcing ribs are arranged in the inner cavity of the end plate body, the reinforcing ribs are obliquely connected with two end faces of the end plate body, and the reinforcing ribs and the end faces are triangular on the top face and the bottom face of the end plate body;

the fixed part, the fixed part is located tip body bottom, the fixed part include with outside box crossbeam matched with breach groove, the electric core group bottom parallel and level of fixed part bottom and battery module.

Preferably, the juncture of the side surface of the end plate body and the end surface of the end plate body is an arc-shaped corner, and a bayonet groove matched with the binding belt is arranged on the arc-shaped corner.

Preferably, the top surface of the end plate body is provided with an oval bolt hole through which a bolt is connected to the outer box cross member.

Preferably, the top surface of the end plate body is provided with a threaded hole matched with the threaded lifting ring.

Preferably, the end plate body end face is provided with a round hole matched with the L-shaped lifting hook.

Preferably, the end plate body inner chamber still is provided with the fixed muscle that is used for setting up screw hole or oval bolt hole.

Preferably, the end plates are machined to be uniformly thin walls of 1.5mm thickness.

Preferably, the end plates are made of high-strength 6061-T6 aluminum alloy.

The utility model discloses reach following effect of showing:

adopt the triangle-shaped strengthening rib can improve the intensity of end plate, compare in the fixed part that current end plate extension produced, flush with electric core group bottom, can protect the bottom of electric core group to can protect electric core group better, improve the electrical safety nature of battery module.

Drawings

Fig. 1 is a first overall structural diagram of the module end plate according to the embodiment of the present invention.

Fig. 2 is a second overall structure diagram of the module end plate according to the embodiment of the present invention.

Fig. 3 is a front view of an embodiment of a module end plate according to the present invention.

Fig. 4 is a top view of an embodiment of a module end plate.

Wherein the reference numerals are: 10. an end plate body; 11. reinforcing ribs; 12. an arc-shaped corner; 121. a bayonet slot; 13. an oval bolt hole; 14. a threaded hole; 15. a circular hole; 16. fixing the ribs; 17. connecting ribs; 20. a fixed part; 21. a notch groove.

Detailed Description

In order to more clearly illustrate the technical features of the present invention, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 4, fig. 1 is a first overall structure diagram of a module end plate according to an embodiment of the present invention. Fig. 2 is a second overall structure diagram of the module end plate according to the embodiment of the present invention. Fig. 3 is a front view of an embodiment of a module end plate according to the present invention. Fig. 4 is a top view of an embodiment of a module end plate.

The utility model discloses a battery module end plate sets up at battery module tip, and the battery module includes electric core group, end plate, aluminium connecting row, output polar seat and binds the area, and the end plate setting is in the outside protection as battery module of electric core group, binds the area and ties in the end plate periphery, refer to figure 1 and figure 2, the utility model discloses a battery module end plate includes: the end plate comprises an end plate body 10 and a fixing part 20, wherein the end plate body 10 is fixedly connected with the electric core assembly, reinforcing ribs 11 are arranged in an inner cavity of the end plate body 10, the reinforcing ribs 11 are obliquely connected with two end faces of the end plate body 10, and the reinforcing ribs 11 and the end faces are triangular on the top face and the bottom face of the end plate body 10; fixed part 20 is located end body 10 bottom, and fixed part 20 includes with outside box crossbeam matched with breach groove 21, fixed part 20 bottom and the electric core group bottom parallel and level of battery module.

Adopt triangle-shaped strengthening rib 11 can improve the intensity of end plate, compare in the fixed part 20 that current end plate extension produced, flush with electric core group bottom, can protect the bottom of electric core group to can protect electric core group better, improve battery module's electrical safety nature.

In the description of the present invention, the orientation or positional relationship of "end face", "top face", "side face", "bottom end", "inner cavity", "periphery", etc. is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

The utility model discloses an in the embodiment, the juncture of end plate body 10 side and end plate body 10 terminal surface is arc turning 12, is provided with on arc turning 12 and ties and tie matched with bayonet socket recess 121. The arc-shaped corner 12 can reduce the shearing force of the binding belt, thereby reducing the damage of the binding belt, ensuring the connection strength of the end plate and the side surface of the electric core group and protecting the electric core. In addition, the bayonet clamping grooves can clamp the binding belts, the binding belts are prevented from moving and shifting up and down, and the connecting strength of the binding belts to the end plates and the side faces of the electric core pack can be ensured.

Referring to fig. 3 and 4, in a specific embodiment, the top surface of the end plate body 10 is provided with oval bolt holes 13, and bolts are coupled to the outer box cross member through the oval bolt holes 13. The utility model discloses an oval bolt hole 13 is different from the more convenient locking bolt of circular bolt hole, can alleviate the error precision in battery module length direction (length direction is the direction of perpendicular to end plate promptly), more makes things convenient for the assembly of battery module.

In a specific embodiment, the top surface of the end plate body 10 is provided with a threaded hole 14 adapted to the threaded suspension ring. When the battery module is moved, the threaded lifting ring can be adopted, so that the maintenance and the assembly of the battery module are facilitated.

In another specific embodiment, the end plate body 10 is provided with a circular hole 15 on the end surface for fitting the L-shaped hook. When the battery module is moved, the L-shaped lifting hook can be adopted, so that the maintenance and the assembly of the battery module are facilitated.

Of course, referring to fig. 3 and 4, the end plate body may also be provided with both the circular hole 15 and the threaded hole 14. When the battery module is moved, a threaded lifting ring or an L-shaped lifting hook can be adopted, so that the maintenance and the assembly of the battery module are convenient

Referring to fig. 1 to 4, in the embodiment of the present application, the inner cavity of the end plate body 10 is further provided with a fixing rib 16 for providing a threaded hole 14 or an elliptical bolt hole 13. The fixing ribs 16 are cylindrical, and the inner wall of the cylinder is provided with threads, so that the threaded connection length can be ensured, and the connection strength can be improved.

In the embodiment of the present application, the inner wall of the inner cavity of the end plate body 10 is further provided with a connecting rib 17 for connecting the reinforcing rib 11. This structure can ensure the strength of the connection of the reinforcing ribs 11 to the end face of the end plate body 10.

In the present example, the end plates were machined to be uniformly thin walls of 1.5mm thickness. This kind of structure can make the product lighter weight, is convenient for produce simultaneously. In order to ensure the strength and the thickness uniformity of the end plate, the end plate can be integrally formed.

In one embodiment of the present invention, the end plate may be made of high strength 6061-T6 aluminum alloy. The tensile strength of the material is 260MPa, the Brinell hardness is 95HBW, and the mechanical property of the end plate is greatly improved.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims

1. The utility model provides a novel battery module end plate, sets up at battery module tip, the battery module includes electric core group, end plate, aluminium connecting row, output polar seat and ties and take, the end plate sets up the outside formation of electric core group the outside protection of battery module, tie and be in the end plate is peripheral, a serial communication port, include:

the end plate body is fixedly connected with the electric core group, reinforcing ribs are arranged in the inner cavity of the end plate body, the reinforcing ribs are obliquely connected with two end surfaces of the end plate body, and the reinforcing ribs and the end surfaces are triangular on the top surface and the bottom surface of the end plate body;

the fixing part, the fixing part is located end plate body bottom, the fixing part include with outside box crossbeam matched with breach groove, the fixing part bottom with the electric core group bottom parallel and level of battery module.

2. The battery module end plate of claim 1, wherein the interface of the end plate body side surface and the end plate body end surface is an arc-shaped corner, and the arc-shaped corner is provided with a bayonet groove matched with the binding band.

3. The battery module end plate of claim 1, wherein the end plate body is internally provided with oval bolt holes through which bolts are connected to the outer box cross member.

4. The battery module end plate of claim 3, wherein the top surface of the end plate body is provided with a threaded hole that mates with the threaded lifting ring.

5. The battery module end plate of claim 1, wherein the end plate body end face is provided with a circular hole adapted to the L-hook.

6. The battery module end plate of claim 4, wherein the end plate body inner cavity is further provided with a fixing rib for providing the threaded hole or the elliptical bolt hole.

7. The battery module end plate of claim 1, wherein the end plate is machined to a uniform thin wall of 1.5mm thickness.

8. The battery module end plate of claim 1, wherein the end plate is made of a high strength 6061-T6 aluminum alloy.