CN218334068U

CN218334068U - Battery module

Info

Publication number: CN218334068U
Application number: CN202221536793.5U
Authority: CN
Inventors: 罗懿
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2023-01-17
Anticipated expiration: 2032-06-20

Abstract

The utility model relates to a battery module, this battery module, including setting up at the end plate of both sides and setting up a plurality of electric cores between the end plate, adjacent be equipped with the bubble cotton between the electric core, both sides the steel band is passed through in the four corners of end plate and is connected. The steel belt is connected with the end plate, so that the problem of corrosion failure easily caused by welding is avoided; the steel belt is connected with the end plate through the bolts and the elastic gaskets, so that the detachable repair of the battery module is realized, and the problem of expansion deformation of the module caused by heating is optimized; the adjacent cells are separated by foam, so that the effects of heat dissipation, filling and buffering expansion are achieved.

Description

Battery module

Technical Field

The utility model relates to a power battery especially relates to a battery module.

Background

The battery box is a battery pack consisting of a plurality of single batteries, a box body, a battery management system, relevant installation structural members (equipment) and the like, and is provided with a battery box structure, battery box monitoring equipment, battery box connectors, battery box environmental control equipment and the like which meet the standard. After the module is piled up to electric core, the module keeps certain size under pressure equipment's pressure, and the steel bandage is tied up whole module through the location structure on the end plate, toasts the module at last fixedly for it is fixed to bond between the electric core. The electric core of every module uses the steel tie to bundle together, both conveniently in groups, can adapt to the inflation phenomenon that electric core produced at the in-process of charge-discharge again.

The existing strapping tape adopts a welding connection mode, and cannot be detached when the problems of internal parts of a module occur during manufacturing and after sale, and rust is easily generated in the welding mode.

SUMMERY OF THE UTILITY MODEL

For solving the above problem, the utility model provides a can dismantle battery module of reprocessing.

The utility model adopts the technical proposal that: the utility model provides a battery module, is including setting up at the end plate of both sides and setting up a plurality of electric cores between the end plate, its characterized in that: and foam cotton is arranged between the adjacent electric cores, and four corners of the end plates on two sides are connected through steel belts.

Preferably, the joints of the four corners of the end plate and the steel strip are provided with connecting parts which are thinned by 3-4 cm.

Furthermore, the connecting part of the steel belt and the end plate is connected through a bolt and an elastic gasket.

Preferably, the steel strip has an L-shaped cross section.

Further, the wall thickness of the steel strip is 1-2 cm.

Further, a hollow-out groove is formed in the steel belt.

The utility model discloses the beneficial effect who gains is: the steel belt is connected with the end plate, so that the problem of corrosion failure easily caused by welding is avoided; the steel belt is connected with the end plate through the bolt and the elastic gasket, so that the battery module can be detachably repaired, and the problem of expansion and deformation of the module caused by heating is optimized; the adjacent cells are separated by foam, so that the effects of heat dissipation, filling and expansion buffering are achieved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial exploded view of FIG. 1;

wherein: 1. a steel belt; 11. hollowing out the grooves; 2. a bolt; 3. an elastic spacer; 4. an end plate; 41. a connecting portion; 5. soaking cotton; 6. and (5) battery cores.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be 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 of description and simplification of description, but do 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1-2, the battery module of the present invention includes end plates 4 disposed at two sides and a plurality of battery cells 6 disposed between the end plates 4, and foam 5 is disposed between adjacent battery cells 6 to perform heat dissipation, filling and buffer expansion; the four corners of the end plates 4 on the two sides are connected through the steel belt 1, the steel belt 1 and the end plates 4 are connected together in a detachable mode, the disassembly and repair of the battery module can be realized, and the corrosion failure problem caused by easy welding is avoided.

In this embodiment, the four corners of end plate 4 and steel band junction are equipped with connecting portion 41, do the cooperation design of attenuate in connecting portion 41 department, and when being connected with steel band 1, the increase terminal surface of steel band 1 can block in connecting portion 41 just, and steel band 1 surface flushes with end plate 4 surface just, connects more firmly, and the outward appearance is more pleasing to the eye. The thickness of the connecting portion 41 is 3 to 4cm.

In this embodiment, the connecting portion 41 of the steel strip 1 and the end plate 4 is connected with the elastic gasket 3 through the bolt 2, and the elastic gasket 3 is made of a material similar to hot-pressed silica gel, so that the steel strip has a good heat conduction characteristic, can be softened when being heated, and has the capability of buffering the internal deformation of the module.

In this embodiment, the cross section of the steel strip 1 is L-shaped (similar to an angle steel structure), and the end surfaces of the two ends of the steel strip 1 connected with the connecting portion 41 are enlarged, so that the bearing area is increased. The thickness of the steel strip 1 is 1-2 cm, and the hollow-out grooves 11 are formed in the steel strip 1, so that the whole light weight is facilitated.

Here, it should be noted that the description of the above technical solutions is exemplary, the present specification may be embodied in different forms, and should not be construed as being limited to the technical solutions set forth herein. Rather, these descriptions are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the present invention is limited only by the scope of the claims.

The shapes, sizes, ratios, angles, and numbers disclosed to describe aspects of the specification and claims are examples only, and thus are not limited to the details shown. In the following description, when a detailed description of related known functions or configurations is determined to unnecessarily obscure the focus of the present specification and claims, the detailed description will be omitted.

Where the terms "comprising", "having" and "including" are used in this specification, there may be another part or parts unless otherwise stated, and the terms used may generally be in the singular but may also be in the plural.

It should be noted that although the terms "first," "second," "top," "bottom," "side," "other," "end," "other end," and the like may be used and used in this specification to describe various components, these components and parts should not be limited by these terms. These terms are only used to distinguish one element or section from another element or section. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with the top and bottom elements being interchangeable or switchable with one another, where appropriate, without departing from the scope of the present description; the components at one end and the other end may be the same or different in performance from one another.

In describing positional relationships, for example, when positional sequences are described as "on.. Above", "over.. Under." and "next", unless a word or term such as "exactly" or "directly" is used, cases where there is no contact or contact therebetween may be included. If a first element is referred to as being "on" a second element, that does not mean that the first element must be above the second element in the figures. The upper and lower portions of the member will change depending on the angle of view and the change in orientation. Thus, in the drawings or in actual construction, if a first element is referred to as being "on" a second element, it can be said that the first element is "under" the second element and the first element is "over" the second element. In describing temporal relationships, unless "exactly" or "directly" is used, the description of "after", "subsequently", and "before" may include instances where there is no discontinuity between steps. The features of the various embodiments of the present invention may be partially or fully combined or spliced with each other and may be implemented in a variety of different configurations as would be well understood by one of ordinary skill in the art. Embodiments of the present invention may be performed independently of each other, or may be performed together in an interdependent relationship.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. The utility model provides a battery module, is including setting up at the end plate of both sides and setting up a plurality of electric cores between the end plate, its characterized in that: the battery cell structure is characterized in that foam is arranged between the adjacent battery cells, four corners of the end plates on two sides are connected through steel belts, and the steel belts are connected with the connecting parts of the end plates through bolts and elastic gaskets.

2. The battery module according to claim 1, wherein: and connecting parts which are designed to be thinned by 3-4 cm are arranged at the joints of the four corners of the end plate and the steel belt.

3. The battery module according to claim 1, wherein: the section of the steel belt is L-shaped.

4. The battery module according to claim 3, wherein: the wall thickness of the steel strip is 1-2 cm.

5. The battery module according to claim 3, wherein: and hollow grooves are formed in the steel belt.