CN219123390U

CN219123390U - Spliced battery module

Info

Publication number: CN219123390U
Application number: CN202320071278.2U
Authority: CN
Inventors: 田世保
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-06-02
Anticipated expiration: 2033-01-07

Abstract

The utility model provides a spliced battery module, which comprises a battery pack, wherein the battery pack comprises a plurality of batteries which are arranged in parallel; the end plate comprises two large faces which are oppositely arranged, and a plurality of clamping grooves are formed in each of the two large faces; the battery packs are at least provided with two, and the two battery packs respectively support one large surface; the ribbon is provided with many, and the ribbon is crooked to U-shaped structure, and the both ends and the draw-in groove of ribbon can be dismantled and be connected, and the cooperation end plate forms annular in order to hoop and draws in group battery. Above-mentioned structure, with the ribbon crooked U-shaped to connect the draw-in groove of end plate, can draw in the group battery hoop on the end plate, an end plate can integrate two group batteries, and it compares traditional battery module, has equivalent to having spliced two battery modules, can effectively improve battery module's overall stability and convenience in groups.

Description

Spliced battery module

Technical Field

The utility model relates to the technical field of battery modules, in particular to a spliced battery module.

Background

In the battery pack of the electric automobile, a battery module is arranged for supplying electric energy, and in a normal case, the battery module is formed by a plurality of batteries matched with end plates and binding bands, a plurality of batteries are arranged in parallel to form a group, and then the batteries and the end plates are bound by the binding bands.

The present patent issued with publication number CN207038585U discloses a battery module, which comprises: a battery assembly including a plurality of battery cells arranged side by side in a longitudinal direction; and a tightening assembly tightening the battery assembly. The tightening assembly includes: at least one tie disposed around the battery assembly, each tie having two sections with a free end that are folded back; and at least one locking piece, wherein each locking piece is positioned between two sections, one section is fixed to the locking piece, and the other section is matched with the locking piece to adjust the length of a corresponding binding belt and lock the binding belt to the locking piece.

In the above technical scheme, a plurality of battery units are fixed through the tightening assembly, and this fixed knot constructs after constituting the battery module, and battery module size is fixed, can't realize the concatenation work between a plurality of modules, and it is inconvenient not enough to make a set, and is installing the back in to the battery package, and battery module's overall stability is relatively poor.

Disclosure of Invention

In view of the above, the present utility model provides a spliced battery module, which has the advantage of convenient connection between the battery module and the battery module, can splice a plurality of battery modules, and can significantly improve the overall stability of the battery module.

The technical scheme of the utility model is realized as follows: the utility model provides a spliced battery module, which comprises a battery pack, wherein the battery pack comprises a plurality of batteries which are arranged in parallel;

and also includes end plates and straps, wherein,

the end plate is provided with at least one, and comprises two large faces which are oppositely arranged, and a plurality of clamping grooves are formed in each large face;

the battery packs are at least provided with two, and the two battery packs respectively support one large surface;

the ribbon is provided with many, and the ribbon is crooked to U-shaped structure, and the both ends and the draw-in groove of ribbon can be dismantled and be connected, and the cooperation end plate forms annular in order to hoop and draws in group battery.

On the basis of the technical proposal, the clamping groove is preferably a T-shaped groove, the ribbon comprises a ribbon body and a limiting part, wherein,

the ribbon body is in a strip-shaped structure;

the limit part is respectively provided with one at the both ends of ribbon body to make the tip of ribbon be T shape structure, the tip and the draw-in groove grafting of ribbon.

On the basis of the technical scheme, the novel cable tie is characterized by preferably further comprising a limiting piece, wherein the limiting piece is arranged on the end plate and abuts against the cable tie and is used for limiting the cable tie.

On the basis of the technical scheme, preferably, the limiting piece is a bolt, penetrates through the end plate and stretches into the clamping groove to be used for sealing the opening of the clamping groove.

On the basis of the technical scheme, preferably, three end plates are arranged, the three end plates are arranged in parallel, and the two battery packs and the three end plates are arranged at intervals;

the ribbon is provided with many between three end plates to peg graft with the draw-in groove of two adjacent end plates respectively, in order to hoop two group batteries.

On the basis of the technical scheme, the ribbon is preferably made of steel.

On the basis of the above technical solution, preferably, the end plate is provided with a first lightening hole, and the end plate is provided with a plurality of first lightening holes in parallel.

In the above aspect, preferably, the first lightening hole is a triangular hole so that the end plate forms a continuous W-shaped reinforcing plate.

Based on the above technical solution, preferably, the end plate is formed by extrusion molding.

On the basis of the above technical solution, preferably, the end plate is provided with a second lightening hole, and the second lightening hole is perpendicular to the first lightening hole.

Compared with the prior art, the spliced battery module has the following beneficial effects:

(1) The two large surfaces of the end plate are provided with the plurality of clamping grooves, the two large surfaces of the end plate are respectively provided with one battery pack, and the two ends of the binding tapes are connected with the clamping grooves of the backing plate through the two binding tapes;

(2) The clamping groove is a T-shaped groove, the end part of the binding belt is of a T-shaped structure, and after the binding belt is inserted into the clamping groove, the binding belt is fixed through the limiting piece, so that the convenience of the installation of the binding belt of the battery module is effectively improved, and the battery module is conveniently assembled;

(3) The end plates can be arranged in parallel, and a plurality of binding belts are arranged between the end plates, so that a plurality of battery packs can be clamped and fixed through the end plates, the splicing work of the plurality of battery packs is realized, the middle end plate can be used for fixing two battery packs, and the production cost can be reduced.

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 block diagram of a single battery pack of a spliced battery module according to the present utility model;

fig. 2 is a block diagram of an embodiment of a spliced battery module according to the present utility model;

fig. 3 is a perspective view of a assembled structure of an embodiment of a split type battery module according to the present utility model;

fig. 4 is a top view of a assembled structure of an embodiment of a split type battery module according to the present utility model;

fig. 5 is an exploded view of a assembled structure of an embodiment of a split type battery module according to the present utility model;

fig. 6 is a structure diagram of a band and an end plate of the spliced battery module according to the present utility model;

fig. 7 is a perspective view of an end plate of the spliced battery module according to the present utility model;

fig. 8 is a top view of an end plate of the spliced battery module according to the present utility model;

fig. 9 is a ribbon construction diagram of a spliced battery module according to the present utility model;

in the figure: the battery pack 1, the battery 11, the end plate 2, the reinforcing plate 21, the large surface 201, the clamping groove 202, the first lightening hole 203, the second lightening hole 204, the ribbon 3, the ribbon body 31, the limiting part 32 and the limiting piece 4.

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.

Embodiment one:

as shown in fig. 1 to 9, the spliced battery module of the present utility model includes a battery pack 1, an end plate 2, a band 3, and a stopper 4.

Wherein, the battery pack 1 comprises a plurality of batteries 11, and the batteries 11 are arranged in parallel;

the end plate 2 is provided with at least one, the end plate 2 comprises two large faces 201, the two large faces 201 are oppositely arranged, and a plurality of clamping grooves 202 are formed in each large face 201; at least two battery packs 1 are arranged, and each of the two battery packs 1 supports against one large surface 201; ribbon 3 is provided with many, ribbon 3 crooked to U-shaped structure, and ribbon 3's both ends and draw-in groove 202 can dismantle the connection, and cooperation end plate 2 forms the ring-shaped in order to hoop group battery 1.

According to the structure, when the battery modules are grouped, the plurality of batteries 11 are placed on the two sides of the end plate 2 to form the battery pack 1, the binding belt 3 is bent to be of a U-shaped structure, the two ends of the binding belt 3 are connected with the end plate 2, the battery pack 1 can be fixed on the two sides of the end plate 2 respectively, compared with the traditional battery modules, the battery pack has the advantages of saving materials and being convenient to group, and the battery pack is equivalent to the fact that the two battery modules are spliced into a whole, the stability and the grouping convenience of the battery modules can be remarkably improved, and after the battery modules are grouped, the battery pack is installed into a battery pack to be quite stable.

Further, the clamping groove 202 is a T-shaped groove, and the ribbon 3 comprises a ribbon body 31 and a limiting part 32, wherein the ribbon body 31 is in a strip-shaped structure; the limiting parts 32 are respectively arranged at two ends of the ribbon body 31 so that the end part of the ribbon 3 is of a T-shaped structure, and the end part of the ribbon 3 is spliced with the clamping groove 202. According to the structure, when the ribbon 3 is connected with the end plate 2, the end part of the ribbon 3 is inserted into the clamping groove 202, and the limiting part 32 of the ribbon 3 is completely positioned in the clamping groove 202 and is clamped and fixed, so that the fixing of the battery pack 1 can be completed, and the battery pack has the advantages of convenience in connection, is easy to detach, and is convenient for subsequent maintenance and recovery.

In order to prevent that ribbon 3 from coming off from end plate 2 because of factors such as vibration, this concatenation formula battery module has set up locating part 4, and locating part 4 sets up on end plate 2 to support ribbon 3, be used for the spacing of ribbon 3. As the structure is adopted, the limiting piece 4 is arranged to limit the binding belt 3, so that the binding belt 3 can be prevented from falling off from the end plate 2, and the stability of the battery module group is improved.

Further, the limiting piece 4 is a bolt, and the limiting piece 4 penetrates through the end plate 2 and extends into the clamping groove 202 to close the opening of the clamping groove 202. The limiting piece 4 has the advantage of convenience in disassembly and assembly due to the adoption of bolts, and is convenient for grouping and maintenance work.

In order to ensure the structural strength of the battery pack, the band 3 is preferably a steel band.

In order to reduce the overall weight of the battery module, the end plate 2 is provided with a first lightening hole 203 and a second lightening hole 204, and a plurality of first lightening holes 203 are arranged on the end plate 2 in parallel; the end plate 2 is also provided with a second lightening hole 204, the second lightening hole 204 being arranged perpendicular to the first lightening hole 203. As constructed above, the first and

second lightening holes

203 and 204 can reduce the weight of the end plate 2, which is advantageous to improve the energy density of the assembled battery modules.

Preferably, the first lightening holes 203 are triangular holes so that the end plate 2 forms a continuous W-shaped reinforcing plate 21. In this way, the structural strength of the end plate 2 can be ensured while the end plate 2 is light, which is beneficial to prolonging the service life of the end plate 2.

Further, in order to improve the convenience of production of the end plate 2, the end plate 2 is preferably formed by extrusion molding. Thus, the end plate 2 is formed in one step during production, and the second lightening holes 204 are required to be milled later. The end plate 2 may also be cast or otherwise formed.

Embodiment two:

the difference between this embodiment and the first embodiment is that: the end plates 2 are provided in parallel in plurality, and the plurality of end plates 2 are connected by a plurality of ties 3 to fix a plurality of battery packs 1.

Specifically, as shown in fig. 3 to 5, three end plates 2 are provided, three end plates 2 are arranged in parallel, and two battery packs 1 and three end plates 2 are arranged at intervals; the ribbon 3 is provided with a plurality of ribbon end plates 2, and is inserted into the clamping grooves 202 of two adjacent ribbon end plates 2 to bind the two battery packs 1. Above-mentioned structure, this structure in groups, a plurality of group battery 1 that can establish ties are equivalent to the concatenation and have integrated a plurality of battery module, and it has the convenient advantage of concatenation, can freely select group battery 1's concatenation quantity according to the battery package size, and after the concatenation, can follow arbitrary group battery 1 and break out the connection, only need dismantle corresponding ribbon 3 can, have the convenient advantage of adjustment.

The specific implementation steps are as follows:

when the battery pack 1 is spliced, the battery pack 1 is abutted against the large surface 201 of the end plate 2, the ribbon 3 is bent into a U shape, then two ends of the ribbon 3 are clamped with the clamping grooves 202 on the end plate 2, and the limiting piece 4 is arranged for limiting; one battery pack 1 is provided on each of the two large faces 201 of the end plate 2, and two battery packs 1 can be integrated by a plurality of bands 3. The plurality of battery packs 1 and the plurality of end plates 2 can be arranged at intervals, and then the adjacent two end plates 2 are connected by the ribbon 3, so that the splicing integration of the plurality of battery packs 1 can be realized.

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

1. A spliced battery module, which comprises a battery pack (1), wherein the battery pack (1) comprises a plurality of batteries (11), and the batteries (11) are arranged in parallel;

the method is characterized in that: also comprises an end plate (2) and a binding belt (3), wherein,

the end plate (2) is at least provided with one, the end plate (2) comprises two large faces (201), the two large faces (201) are oppositely arranged, and a plurality of clamping grooves (202) are formed in each of the two large faces (201);

at least two battery packs (1) are arranged, and the two battery packs (1) respectively prop against one large surface (201);

the battery pack comprises a battery pack (1), wherein a plurality of straps (3) are arranged, the straps (3) are bent to a U-shaped structure, two ends of each strap (3) are detachably connected with clamping grooves (202), and the straps are matched with end plates (2) to form a ring shape to be hooped together.

2. The tiled battery module according to claim 1, wherein: the clamping groove (202) is a T-shaped groove, the ribbon (3) comprises a ribbon body (31) and a limiting part (32), wherein,

the ribbon body (31) is in a strip-shaped structure;

the limiting parts (32) are respectively arranged at two ends of the ribbon body (31) so that the end part of the ribbon (3) is of a T-shaped structure, and the end part of the ribbon (3) is inserted into the clamping groove (202).

3. The spliced battery module according to claim 2, wherein: still include locating part (4), locating part (4) set up on end plate (2), and support and hold ribbon (3) for the spacing of ribbon (3).

4. The spliced battery module according to claim 3, wherein: the limiting piece (4) is a bolt, and the limiting piece (4) penetrates through the end plate (2) and stretches into the clamping groove (202) to be used for sealing an opening of the clamping groove (202).

5. The tiled battery module according to claim 1, wherein: the end plates (2) are three, the three end plates (2) are arranged in parallel, and the two battery packs (1) and the three end plates (2) are arranged at intervals;

the ribbon (3) is provided with a plurality of end plates (2) between the three end plates, and is respectively inserted into the clamping grooves (202) of the two adjacent end plates (2) so as to hoop the two battery packs (1).

6. The spliced battery module according to any one of claims 1 to 5, wherein: the ribbon (3) is a steel ribbon.

7. The tiled battery module according to claim 1, wherein: the end plate (2) is provided with a first lightening hole (203), and a plurality of first lightening holes (203) are arranged on the end plate (2) in parallel.

8. The tiled battery module according to claim 7, wherein: the first lightening holes (203) are triangular holes so that the end plates (2) form a continuous W-shaped reinforcing plate (21).

9. The tiled battery module of claim 8, wherein: the end plate (2) is formed by extrusion molding.

10. The tiled battery module according to claim 9, wherein: the end plate (2) is provided with a second lightening hole (204), and the second lightening hole (204) is perpendicular to the first lightening hole (203).