CN220474814U - Battery ribbon and battery module - Google Patents

Abstract

The utility model provides a battery ribbon and a battery module, comprising a ribbon body and a reinforcing plate, wherein the middle section of the ribbon body is at least provided with one reinforcing plate; the reinforcing plate is an arc-shaped plate. Above-mentioned structure is through being provided with curved reinforcing plate on the ribbon body, and when the ribbon ties up the group battery to the corner position that the reinforcing plate corresponds the end plate can, can make the corner of ribbon body have good structural strength, this can improve the shearing resistance of ribbon body, and can not collapse, is favorable to guaranteeing battery module's stability.

Description

Battery ribbon and battery module

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a battery ribbon and a battery module.

Background

The battery module is formed by a plurality of batteries, when the batteries are grouped, the end plates are commonly used for clamping a battery pack formed by a plurality of batteries at present, then the battery pack and the end plates are bundled by using a binding belt, so that the battery module is formed, and then the battery module is integrated in a battery box for storing electric energy and releasing electric energy.

The prior patent with the publication number of CN209104226U discloses a battery pack, which comprises a battery module and a bottom plate, wherein the bottom plate is used for supporting the battery module; the battery module includes: a plurality of batteries arranged in an arrangement direction; a fixing block provided on the circumferential surfaces of the plurality of batteries and spaced apart from the bottom plate in the height direction; and the binding belt is sleeved and fastened on the periphery of the fixing block and the plurality of batteries.

Above-mentioned technical scheme, it does not set up the end plate in battery module, but fixes the ribbon with the fixed block, but this can lead to the corner of ribbon not to support, and after the battery module used for a long time to expand, can make the ribbon collapse to the corner, not only easily causes the ribbon to cut, and can squeeze bad battery, influences battery module's stability.

Disclosure of Invention

In view of the above, the utility model provides a battery ribbon and a battery module with high ribbon structure strength and difficult collapse and shearing, so as to solve the problems that the ribbon is easy to collapse and shear and the battery is easy to damage in the existing battery module fixing structure.

The technical scheme of the utility model is realized as follows:

in one aspect, the utility model provides a battery tie and a battery module, comprising a tie body and a reinforcing plate, wherein,

the middle section of the ribbon body is provided with at least one reinforcing plate;

the reinforcing plate is an arc-shaped plate.

On the basis of the technical scheme, the reinforcing plate and the ribbon body are preferably of an integrated structure.

On the basis of the above technical scheme, preferably, the ribbon body is made of metal, and the reinforcing plate is cast and arranged on the ribbon body in a pouring mode.

On the basis of the above technical scheme, preferably, the ribbon body is detachably connected with the reinforcing plate.

On the basis of the above technical scheme, preferably, the reinforcing plate is provided with a through hole, and the ribbon body penetrates through the through hole.

On the basis of the technical scheme, preferably, the ribbon body is made of metal or plastic.

Based on the technical proposal, the arc angle of the reinforcing plate is preferably 70-100 degrees.

On the basis of the technical scheme, preferably, the arc angle of the reinforcing plate is 90 degrees.

In another aspect, the utility model provides a battery module comprising a battery and an end plate, and further comprising the battery tie described above, wherein,

the batteries are arranged in parallel to form a battery pack;

the two end plates are oppositely arranged at two sides of the battery pack;

the end plate and the battery pack are tied up by the tie body, and the reinforcing plate corresponds to the corner of the end plate.

Based on the technical proposal, preferably, the cable tie further comprises a limiting block, and a positioning hole is formed in the cable tie body;

the stopper sets up in the end plate one side of keeping away from the group battery, and the stopper grafting is in the locating hole.

Compared with the prior art, the battery ribbon and the battery module have the following beneficial effects:

(1) Through being provided with curved reinforcing plate on the ribbon body, when the ribbon ties up the group battery to the corner position of reinforcing plate corresponding end plate can, the reinforcing plate makes the corner of ribbon body have good structural strength, and this can improve the shearing resistance of ribbon body, and can not collapse, is favorable to guaranteeing the stability of battery module;

(2) Through the through holes formed in the reinforcing plate, the ribbon body can penetrate through the reinforcing plate so as to realize connection of the ribbon body and the reinforcing plate, and when a plurality of reinforcing plates are arranged, the spacing between the reinforcing plates can be conveniently adjusted so as to adapt to bundling and fixing of battery modules with different specifications;

(3) Through being provided with the stopper on the end plate, and offered the through-hole on the ribbon body, when so ribbon tie up group battery and end plate, peg graft the through-hole with the stopper, can fix a position the ribbon body to avoid ribbon body drunkenness, thereby further assurance battery module's stability.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a battery tie of the present utility model;

FIG. 2 is a perspective view of a reinforcement plate of the battery tie of the present utility model;

fig. 3 is a perspective view of the battery module according to the present utility model;

fig. 4 is a front view of the battery module according to the present utility model;

fig. 5 is a split structure view of an end plate and a battery tie of the battery module according to the present utility model;

FIG. 6 is an enlarged view of the structure of the point A in FIG. 5 according to the present utility model;

in the figure: 1. a tie body; 101. positioning holes; 2. a reinforcing plate; 201. a through hole; 3. a battery; 4. an end plate; 5. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

As shown in fig. 1 to 6, the battery tie of the present utility model includes a tie body 1 and a reinforcing plate 2;

the battery module comprises the battery ribbon, a battery 3, an end plate 4 and a limiting block 5.

As shown in fig. 3 and 4, the battery module includes a battery 3 and an end plate 4, wherein a plurality of batteries 3 are arranged in parallel to form a battery pack; the two end plates 4 are arranged, and the two end plates 4 are oppositely arranged at two sides of the battery pack;

in the above-described configuration, the battery 3 is first arranged in parallel to form a battery pack, and after the end plate 4 is placed, the battery 3 and the end plate 4 can be bundled into an integrated structure by the bundling tape to form the battery module.

Because end plate 4 is mostly rectangular plate, and end plate 4's corner portion still can be provided with the fretwork and subtract heavy, consequently after the ribbon is tied up, the corner position of ribbon can not be supported, and the shearing force is great, easily appears tying up unstable even damage the problem of ribbon, need improve it for this reason.

As shown in fig. 1 and 2, the middle section of the band body 1 is provided with at least one reinforcing plate 2; the reinforcing plate 2 is an arc-shaped plate, and the reinforcing plate 2 is made of titanium alloy;

as above structure, through being provided with curved reinforcing plate 2 on ribbon body 1, and reinforcing plate 2 is the titanium alloy material, this can effectively improve the structural strength of ribbon body 1 corner, so when ribbon body 1 ties up end plate 4 and battery 3, with reinforcing plate 2 correspond end plate 4 the corner can, even reinforcing plate 2 contact has hollow out construction's end plate 4, also be difficult for deformation, so alright avoid ribbon body 1's corner to suffer the shearing force, can guarantee ribbon body 1 not receive the damage, and improved ribbon body 1's installation stability.

Specifically, the arc angle of the reinforcing plate 2 is 70-100 degrees, so that the arc angle can adapt to the hanging angle radian of the end plate in the battery module.

Preferably, the arc angle of the reinforcing plate 2 is 90 degrees, and the battery module is in a cuboid shape, so that the arc angle of the reinforcing plate 2 is set to 90 degrees, and the battery ribbon can be better attached to the battery module.

Further, the reinforcing plate 2 and the ribbon body 1 are of an integrated structure;

in the structure, the reinforcing plate 2 and the ribbon body 1 are arranged into an integrated structure, so that the convenience of the production of the battery ribbon can be improved;

specifically, the ribbon body 1 is made of metal, and the reinforcing plate 2 is cast on the ribbon body 1;

with the above structure, the band body 1 may be made of steel, and then the titanium alloy is cast on the band body 1 to form the reinforcing plate 2.

The conventional battery module is generally in a rectangular parallelepiped structure, so that when the practical ribbon body 1 is bundled, it is preferable to provide four reinforcing plates 2 on the ribbon body 1 so as to correspond to the four corner positions of the battery module.

Because the specification of battery module is different, its size is also different, if reinforcing plate 2 is fixed to be set up on ribbon body 1, can influence battery ribbon's application scope, consequently can set up ribbon body 1 and reinforcing plate 2 to detachable connection.

Specifically, as shown in fig. 2, the reinforcing plate 2 is provided with a through hole 201, and the band body 1 penetrates through the through hole 201;

according to the structure, when the battery ribbon is assembled, the reinforcing plates 2 are connected in series on the ribbon body 1 through the through holes 201, so that the distance between the reinforcing plates 2 can be adjusted, the corner positions of the reinforcing plates 2 corresponding to the battery modules with different sizes are facilitated, and the application range of the battery ribbon is effectively improved.

Further, the ribbon body 1 is made of metal or plastic, and the reinforcing plate 2 is connected with the ribbon body 1 in series, so that the ribbon body 1 can be independently arranged, and the ribbon body can be made of metal or plastic on the premise of ensuring strength.

Further, as shown in fig. 5 and 6, the band body 1 is provided with a positioning hole 101; the limiting block 5 is arranged on one surface of the end plate 4, which is far away from the battery pack, and the limiting block 5 is inserted into the positioning hole 101;

according to the structure, the end plate 4 is inserted into the ribbon body 1 by the limiting block 5, so that the ribbon body 1 can be prevented from moving, the stability of bundling is guaranteed, and particularly in the structure that the ribbon body 1 is connected with the reinforcing plate 2 in series, the battery module can be guaranteed to be stable in groups.

Specifically, the length of the limiting block 5 is set to be 5-20 mm, preferably 10mm, and the width is set to be 0.5-10 mm, preferably 2.5mm. The size of the positioning hole 101 is set corresponding to the limiting block 5.

The specific implementation steps are as follows:

firstly, preparing a battery ribbon, arranging a reinforcing plate 2 into an integrated structure with a ribbon body 1 according to requirements, or connecting the reinforcing plate 2 with the ribbon body 1 in series, then arranging batteries 3 in parallel to form a battery pack, oppositely arranging two end plates 4 at two ends of the battery pack, and bundling the battery ribbon, wherein the reinforcing plate 2 is aligned with the corner positions of the end plates 4 during bundling.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (9)

1. A battery tie, characterized in that: comprises a ribbon body (1) and a reinforcing plate (2), wherein,

the middle section of the ribbon body (1) is provided with at least one reinforcing plate (2), and the ribbon body (1) is made of metal or plastic;

the reinforcing plate (2) is an arc-shaped plate.

2. The battery tie of claim 1, wherein: the reinforcing plate (2) and the ribbon body (1) are of an integrated structure.

3. The battery tie of claim 2, wherein: the ribbon body (1) is made of metal, and the reinforcing plate (2) is arranged on the ribbon body (1) in a casting mode.

4. The battery tie of claim 1, wherein: the ribbon body (1) is detachably connected with the reinforcing plate (2).

5. The battery tie of claim 4, wherein: the reinforcing plate (2) is provided with a through hole (201), and the ribbon body (1) penetrates through the through hole (201).

6. The battery tie of any one of claims 1 to 5, wherein: the arc angle of the reinforcing plate (2) is 70-100 degrees.

7. The battery tie of claim 6, wherein: the arc angle of the reinforcing plate (2) is 90 degrees.

8. A battery module, comprising a battery (3) and an end plate (4), characterized in that: the battery tie according to any one of claims 1 to 7, wherein,

a plurality of batteries (3) are arranged in parallel to form a battery pack;

the two end plates (4) are arranged, and the two end plates (4) are oppositely arranged at two sides of the battery pack;

the band body (1) binds the end plate (4) and the battery pack, and the reinforcing plate (2) corresponds to the corner of the end plate (4).

9. The battery module of claim 8, wherein: the novel cable tie further comprises a limiting block (5), and a positioning hole (101) is formed in the cable tie body (1);

the limiting block (5) is arranged on one surface, far away from the battery pack, of the end plate (4), and the limiting block (5) is inserted into the positioning hole (101).