CN213304201U

CN213304201U - Novel battery module end plate

Info

Publication number: CN213304201U
Application number: CN202022505699.0U
Authority: CN
Inventors: 宋小江; 韦大林
Original assignee: Suzhou Tongrong Plastic Technology Co ltd
Current assignee: Suzhou Tongrong Plastic Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-05-28
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a novel battery module end plate, end plate fixed connection is at battery module both ends, including end plate main part, nut inserts and aluminum alloy extrusion piece, end plate main part upper end is equipped with a constant head tank, constant head tank one side is equipped with a set of screw, nut inserts embedding screw is inside fixed, end plate main part side is connected with two at least aluminum alloy extrusion pieces, nut inserts and aluminum alloy extrusion piece adopt to imbed fashioned mode and end plate main part and are connected fixedly. The utility model discloses set up a set of nut on the end plate, be applicable to the condition of battery module both ends winding displacement, one end is used for connecting the electric current input, and the other end is used for the electric current output, can avoid the wiring winding, and the wiring of being convenient for, its end plate main part material adopt the plastics material to replace original metal material, can be very big lighten the weight of end plate, have reduced manufacturing cost, adopt plastics as the end plate main part material of end plate, have superior heat-proof quality, have solved current thermal diffusion problem.

Description

Novel battery module end plate

Technical Field

The utility model belongs to the technical field of the battery module end plate, especially, relate to a novel battery module end plate.

Background

The lithium ion power battery module is used as a core component of an electric automobile, and the stability and reliability of the structure of the lithium ion power battery module directly influence the performance and the service life of the whole battery system. In the new energy electric automobile industry, a battery module is usually formed by connecting a plurality of single batteries in series/parallel and is arranged between a cover plate and a bottom plate, a shell of the traditional battery module mainly comprises a pair of side plates, a pair of end plates, the bottom plate and a top plate, wherein the end plates are processed by aluminum plates, but because the processing difficulty of metal materials is high, a series of processes such as stamping, die cutting and milling are needed when the end plates are manufactured, so that the processing procedure is very complicated, and the production cost is increased; meanwhile, the metal material has excellent heat-conducting property, so that the heat diffusion of the battery module is very serious, and the service life of a battery system is directly influenced; in addition, the connecting port for connecting the output end and the input end of the battery on the existing end plate needs to connect the nut on the end plate through another processing procedure after the end plate is manufactured, and the preparation procedure is increased again.

Therefore, in order to overcome the above problems, the present patent provides a novel battery module end plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel battery module end plate, this battery module end plate lighten whole weight, reduced manufacturing cost, improved the current thermal diffusion problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a novel battery module end plate, end plate fixed connection is at battery module both ends, battery module end plate includes end plate main part, nut inserts and aluminum alloy extrusion piece, end plate main part upper end is equipped with a constant head tank, constant head tank one side is equipped with a set of screw, nut inserts embedding screw is inside fixed, end plate main part side is connected with two at least aluminum alloy extrusion pieces, nut inserts and aluminum alloy extrusion piece adopt to imbed fashioned mode and are connected fixedly with the end plate main part.

The technical scheme of further improvement in the technical scheme is as follows:

1. in the above scheme, the end plate main body is made of plastic.

2. In the above scheme, the side surface of the end plate main body is connected with two aluminum alloy extruded pieces, the left side and the right side of the end plate main body are respectively provided with a concave part, the concave parts are provided with a plurality of slots, and the aluminum alloy extruded pieces are arranged in the slots.

3. In the above scheme, the aluminum alloy extruded part is provided with a through hole along the central axis.

4. In the scheme, the positioning groove is internally provided with the anode mark and the cathode mark.

5. In the scheme, the nut insert is made of a metal material with excellent conductivity.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses battery module end plate, it sets up a set of nut on the end plate, is applicable to the condition of battery module both ends winding displacement, and one end is used for connecting current input, and the other end is used for current output, can avoid the wiring winding, the wiring of being convenient for.

2. The utility model discloses integral type battery module end plate, its end plate main part material adopt the plastics material to replace original metal material, can be very big lighten the weight of end plate, have reduced manufacturing cost simultaneously, adopt plastics as the end plate main part material of end plate simultaneously, have superior heat-proof quality, can reduce heat-conduction, overcome current thermal diffusion problem.

3. The utility model discloses integral type battery module end plate, it is installed in the end plate main part with nut and aluminum alloy extrusion piece adoption embedding fashioned mode, and a large amount of manufacturing procedure can be practiced thrift to end plate main part injection moulding, reduces the cost of labor.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a bottom view of the main structure of the end plate of the present invention.

In the figure: 1. an end plate main body; 2. a nut; 3. an aluminum alloy extrusion; 4. a screw hole; 5. a slot; 6. positioning a groove; 7. a recessed portion.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

The invention will be further described with reference to the following examples:

example 1: the utility model provides a novel battery module end plate, includes end plate main part 1, nut inserts 2 and

aluminum alloy extrusion

3, and 1 upper end middle part of end plate main part of this battery module end plate is equipped with a constant head tank 6, is equipped with just, negative pole sign in this constant head tank 6, constant head tank 6 one side is equipped with a set of

screw

4, 4 inside fixes of nut inserts 2 embedding screw, nut inserts 2 is the good metal material of electric conductive property, like stainless steel, nut inserts 2 is the output and the input that are used for connecting the battery, and here sets up a set of nut, is applicable to the condition of battery module both ends winding displacement, and one end is used for connecting current input, and the other end is used for current output, can avoid the wiring winding, the wiring.

The left side and the right side of the end plate main body 1 are respectively provided with an aluminum alloy extrusion part 3, the end plate can be connected to the battery module through the aluminum alloy extrusion parts 3, the aluminum alloy extrusion parts 3 are welded with the side plates on the two sides of the battery module, the welding mode is adopted to meet the requirement of connection strength, a through hole is formed in the aluminum alloy extrusion parts 3 along the central axis, the through hole is used for installing structures such as connecting rods or screws, and a plurality of battery modules can be fixed together; the left side and the right side of the end plate main body 1 are respectively provided with a sunken part 7, the sunken parts 7 are provided with a plurality of slots 5, and the aluminum alloy extrusion pieces 3 are arranged in the slots 5.

End plate main part 1 material is plastics, nut inserts 2 and aluminum alloy extrusion 3 adopt to bury fashioned mode and install in end plate main part 1 inside, during the installation, place nut inserts 2 and aluminum alloy extrusion 3 in the mould, to pouring plastics molten liquid in the mould, the cooling shaping obtains integral type battery module end plate, and a large amount of manufacturing procedure can be practiced thrift to this processing mode, reduces the cost of labor.

The battery module end plate adopts a combined structure of plastic and an aluminum alloy extruded piece, and the use requirement can be met through detecting the strength.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a novel battery module end plate, end plate fixed connection is at battery module both ends, its characterized in that: battery module end plate includes end plate main part (1), nut inserts (2) and aluminum alloy extrusion (3), end plate main part (1) upper end is equipped with a constant head tank (6), constant head tank (6) one side is equipped with a set of screw (4), nut inserts (2) embedding screw (4) are inside fixed, end plate main part (1) side is connected with two at least aluminum alloy extrusion (3), nut inserts (2) and aluminum alloy extrusion (3) adopt to bury fashioned mode and are connected fixedly with end plate main part (1).

2. The novel battery module end plate of claim 1, wherein: the end plate main body (1) is made of plastic.

3. The novel battery module end plate of claim 2, wherein: the aluminum alloy end plate is characterized in that two aluminum alloy extruded pieces (3) are connected to the side face of the end plate body (1), a concave part (7) is arranged on each of the left side and the right side of the end plate body (1), a plurality of slots (5) are formed in the concave part (7), and the aluminum alloy extruded pieces (3) are installed in the slots (5).

4. The novel battery module end plate of claim 1, wherein: the aluminum alloy extruded part (3) is provided with a through hole along the central axis.

5. The novel battery module end plate of claim 1, wherein: and positive and negative pole marks are arranged in the positioning groove (6).

6. The novel battery module end plate of claim 1, wherein: the nut insert (2) is made of a metal material with excellent conductivity.