CN218472176U

CN218472176U - Battery module and battery pack

Info

Publication number: CN218472176U
Application number: CN202222711945.7U
Authority: CN
Inventors: 张钊
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-02-10
Anticipated expiration: 2032-10-14

Abstract

The utility model belongs to the technical field of the battery, a battery module and battery package are disclosed. This battery module includes electric core group, front end plate, back end plate and CCS subassembly, and front end plate and back end plate set up respectively in the front side and the rear side of electric core group, and the CCS subassembly sets up the top at the electric core group. The CCS assembly includes a support and an output pole. The support is provided with an output electrode mounting position, the output electrode mounting position is provided with at least two first elastic buckles, and the two first elastic buckles are arranged on two opposite sides of the output electrode mounting position; the one end of output utmost point is installed in output utmost point installation position to with first elasticity buckle joint, the other end of output utmost point extends to the left side or the right side of electric core group. The battery module can meet the assembly requirement of a battery pack with a smaller space between the end plate of the battery module and the battery pack box body or the box cover.

Description

Battery module and battery pack

Technical Field

The utility model relates to a battery technology field especially relates to a battery module and battery package.

Background

The battery pack is generally formed by connecting a plurality of battery cores with each other in a certain manner to form a battery module, and then connecting a plurality of battery modules to form the battery pack. At present, the output electrode of the battery module generally extends out of the end plate, and if the installation position between the end plate of the battery module and the battery pack box body or the box cover is small, the battery module cannot be successfully installed in the box body of the battery pack.

Therefore, it is desirable to provide a battery module and a battery pack to solve the above problems.

SUMMERY OF THE UTILITY MODEL

According to the utility model discloses an aspect, the utility model provides a battery module can satisfy the assembly demand of the less battery package in space between the end plate of battery module and battery package box or the case lid.

To achieve the purpose, the utility model adopts the following technical proposal:

the battery module, including electric core group, front end plate, back end plate and CCS subassembly, the front end plate with the back end plate sets up respectively the front side and the rear side of electric core group, the CCS subassembly sets up the top of electric core group, the CCS subassembly includes:

the device comprises a support, a first elastic buckle and a second elastic buckle, wherein an output electrode mounting position is arranged on the support, and at least two first elastic buckles are arranged on two opposite sides of the output electrode mounting position;

the output utmost point, the one end of output utmost point install in output utmost point installation position, and with first elasticity buckle joint, the other end of output utmost point to the left side or the right side of electric core group extend.

Optionally, the CCS assembly further comprises a plurality of aluminum bars, the bracket is provided with a plurality of mounting grooves, and the aluminum bars and the mounting grooves are correspondingly mounted one to one;

be equipped with joint portion on the mounting groove, joint portion includes joint piece and second elasticity buckle, joint piece joint in a side of aluminium ba piece, second elasticity buckle joint in another side of aluminium ba piece.

Optionally, the CCS assembly further includes a wire harness, wherein the wire harness is provided with a first connection hole, the support is provided with a first connection column, and the first connection hole is connected with the first connection column in an inserting manner.

Optionally, the device also comprises an upper cover,

the upper cover is provided with a second connecting hole, the support is provided with a second connecting column, and the second connecting hole is spliced with the second connecting column.

Optionally, the second connection hole is a kidney-shaped hole.

Optionally, the head of the second connecting column is truncated cone-shaped.

Optionally, the method further comprises:

the first insulating piece is arranged between the front end plate and the electric core group;

the second insulating part is arranged on the right side of the electric core group;

and the binding belt is used for binding the front end plate, the first insulating piece, the electric core group, the second insulating piece and the rear end plate into a whole.

Optionally, the battery core group comprises a plurality of battery cores, the battery cores are sequentially stacked to form the battery core group, and foam is arranged between the adjacent battery cores.

Optionally, a structural adhesive is arranged between the adjacent electric cores.

According to the utility model discloses a further aspect, the utility model discloses still provide a battery package, including any one of above-mentioned technical scheme battery module.

The utility model has the advantages that:

the utility model provides a battery module, including the electric core group, the front end plate, back end plate and CCS subassembly, front end plate and back end plate set up respectively in the front side and the rear side of electric core group, and the CCS subassembly includes support and output pole, extends to the left side or the right side of electric core group through establishing the output pole, compares with output pole from front end plate or back end plate department among the prior art, under the condition that does not increase battery package size, can satisfy the installation demand of the less battery package in space between the end plate of battery module and battery package box or the case lid.

Through setting up the first elasticity buckle joint on output utmost point and the output utmost point installation position, compare with welded connection, when guaranteeing connection stability, convenient to detach is favorable to the maintenance in later stage.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is an exploded view of a battery module according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is an assembly view of a battery module according to an embodiment of the present invention.

In the figure:

100. the electric core group; 110. an electric core; 111. a pole column; 200. a front end plate; 300. a rear end plate; 400. a CCS component; 410. a support; 420. a first elastic buckle; 430. an output electrode; 440. aluminum base plate; 451. a clamping block; 452. a second elastic buckle; 460. a wire harness; 470. a first connecting post; 480. a second connecting column; 500. an upper cover; 510. a second connection hole; 520. avoiding holes; 600. a first insulating member; 700. a second insulating member; 800. a binding band; 900. soaking cotton; 1000. and (4) structural adhesive.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides a battery module can satisfy the assembly demand of the less battery package in space between the end plate of battery module and battery package box or the case lid.

Specifically, as shown in fig. 1 to 4, the battery module includes a battery pack 100, a front end plate 200, a rear end plate 300, and a CCS assembly 400, the front end plate 200 and the rear end plate 300 are respectively disposed at the front side and the rear side of the battery pack 100 (the front side and the rear side are in the Y-axis direction in fig. 1), and the CCS assembly 400 is disposed above the battery pack 100. Wherein, CCS subassembly 400 includes support 410 and output pole 430, and support 410 adopts insulating material to make, is equipped with output pole installation position on the support 410, is equipped with two at least first elasticity buckles 420 on the relative both sides of output pole installation position. One end of the output pole 430 is mounted at the output pole mounting position and is clamped with the first elastic buckle 420, and the other end of the output pole 430 extends towards the left side or the right side of the electric core assembly 100 (the left side and the right side are in the direction of the X axis in fig. 1). In this embodiment, the other end of the output electrode 430 extends toward the right side of the electric core pack 100. In other embodiments, the other end of the output electrode 430 may also extend to the left side of the battery cell 110, and may be set according to actual needs. By arranging the output electrode 430 to extend out from the left side or the right side of the electric core group 100 instead of extending out from the front side (namely, the front end plate 200) or the rear side (namely, the rear end plate 300) of the electric core group 100, the battery module can meet the assembly requirement of a battery pack with a small space between the battery module and a box body or a box cover of the battery pack, and the application range is wide. Through the one end and the first elasticity buckle 420 joint that set up output pole 430, the installation and the dismantlement of the output pole 430 of being convenient for, and be favorable to the maintenance of later stage to output pole 430.

Further, in this embodiment, the number of the first elastic buckles 420 is three, one side of the output electrode mounting position is provided with one first elastic buckle 420, the opposite side is provided with two first elastic buckles 420, when the output electrode 430 is mounted, one side of the output electrode 430 is firstly clamped to the two first elastic buckles 420 on the same side, and then the output electrode 430 is pressed downwards, so that the other side of the output electrode 430 is clamped to the other first elastic buckle 420. In other embodiments, the number of the first elastic buckles 420 may be other, such as four, five, etc., and may be set according to actual needs.

Further, with continued reference to fig. 1 and 2, the ccs assembly 400 further includes a wiring harness 460, wherein the wiring harness 460 is used for collecting information of power, temperature, etc. of the electric core pack 100. The wire harness 460 is provided with a first connection hole, the bracket 410 is provided with a first connection post 470, and the first connection hole is inserted into the first connection post 470. The wire harness 460 can be fixed on the bracket 410 by providing the first connection hole to be inserted into the first connection post 470. Alternatively, the number of the first connection holes and the first connection pillars 470 may be set according to actual needs, as long as it is ensured that the first connection holes and the first connection pillars 470 are arranged in one-to-one correspondence.

Further, with continued reference to fig. 1 and 2, the battery module further includes an upper cover 500, the upper cover 500 is disposed above the CCS assembly 400, the upper cover 500 is provided with a second connection hole 510, the bracket 410 is provided with a second connection column 480, and the second connection hole 510 is inserted into the second connection column 480. Through setting up second connecting hole 510 and pegging graft with second spliced pole 480, can link to each other upper cover 500 and CCS subassembly 400, and grafting simple structure, the installation of being convenient for.

Preferably, the second connection hole 510 is a kidney-shaped hole, and the kidney-shaped hole can absorb the installation tolerance between the upper cover 500 and the bracket 410, thereby improving the universality of the upper cover 500.

Preferably, the head of the second connecting column 480 is in a truncated cone shape, so that the second connecting column 480 is conveniently inserted into the second connecting hole 510; on the other hand, the head of the second connecting column 480 is prevented from damaging the second connecting hole 510, which is beneficial to protecting the upper cover 500.

Further, with reference to fig. 1, an avoidance hole 520 is further formed in the upper cover 500, and the avoidance hole 520 is formed at the front end of the upper cover 500 and is used for avoiding a plug connector of the CCS module 400. In the present embodiment, the avoiding hole 520 has a rectangular shape. In other embodiments, the relief hole 520 may be shaped according to the shape of the plug of the CCS assembly 400.

Further, with continued reference to fig. 1, the battery module further includes a first insulator 600, a second insulator 700, a third insulator, and a binding band 800. Wherein the first insulator 600 is disposed between the front end plate 200 and the electric core assembly 100 for insulating the front end plate 200 and the electric core assembly 100, in this embodiment, the first insulator 600 is an insulating plate. The second insulator 700 is disposed at the left side of the electric core pack 100 for insulation between the two battery modules, and in the present embodiment, the second insulator 700 is an insulating plate. The binding band 800 binds the front end plate 200, the first insulator 600, the electric core pack 100, the rear end plate 300, and the second insulator 700 into a single body. By adopting the binding belt 800 for binding, on one hand, the heat dissipation effect of the battery module can be improved; on the other hand, the weight of the battery module is reduced; on the other hand, the size of the battery module is reduced, and the energy density of the battery module is improved. Alternatively, the binding band 800 may be provided in plural, and in the present embodiment, two binding bands 800 are provided. In other embodiments, the number of the binding bands 800 may be three or four, and the like, and may be selected according to actual needs. The binding band 800 may be a steel band, or may be made of other materials, and may be set according to actual needs.

Further, with continued reference to fig. 1 and fig. 4, the battery core assembly 100 is formed by stacking a plurality of battery cells 110 in sequence, in order to improve the connection strength between the battery cells 110, a structural adhesive 1000 is disposed between adjacent battery cells 110, and the adjacent battery cells 110 are bonded together by the structural adhesive 1000. Since the electric core 110 is easy to generate heat during operation, the structural adhesive 1000 should have a certain high temperature resistance, so as to prevent the structural adhesive 1000 from losing efficacy due to an over-high temperature. The structural adhesive 1000 should also have a certain heat dissipation effect, which is beneficial to heat dissipation of the battery cell 110 and prolongs the service life of the battery cell 110.

Optionally, the foam 900 is disposed between the adjacent battery cells 110, and glue may be provided on one side of the foam 900 to bond the foam 900 to the battery cells 110. By arranging the foam 900 between the adjacent electric cores 110, on one hand, the installation tolerance between the electric core group 100 and the front end plate 200 and between the electric core group and the rear end plate 300 can be absorbed, and the installation accuracy of the battery module is ensured; on the other hand, the swelling power of electric core 110 can be absorbed to bubble cotton 900, avoids exerting too big power and leading to binding the area 800 fracture to binding the area 800 because of electric core 110 inflation, has improved battery module's structural stability.

Further, with continued reference to fig. 3, the ccs assembly 400 further includes a plurality of aluminum bars 440, and the ccs assembly 400 is electrically connected to the poles 111 of the battery cells 110 through the aluminum bars 440. A plurality of mounting grooves are formed in the bracket 410, and the aluminum bus bars 440 are correspondingly mounted in the mounting grooves one to one. Be equipped with joint portion on the mounting groove, aluminium bar piece 440 and joint portion joint. The aluminum busbar piece 440 is arranged in the mounting groove in a clamping mode, so that the aluminum busbar piece 440 can be conveniently mounted and dismounted. Specifically, in this embodiment, the clamping portion includes a clamping block 451 and a second elastic buckle 452, the clamping block 451 is clamped at one side of the aluminum bus bar 440, and the second elastic buckle 452 is clamped at the other side of the aluminum bus bar 440. When the aluminum bus bar piece 440 is installed, one side edge of the aluminum bus bar piece 440 is inserted into the lower portion of the clamping block 451 to be clamped with the clamping block 451, and then the aluminum bus bar piece 440 is pressed downwards, so that the other side edge of the aluminum bus bar piece 440 is clamped with the second elastic clamping buckle 452, and then the installation of the aluminum bus bar piece 440 can be completed.

The utility model also provides a battery package, including foretell battery module. The battery pack is small in size and light in weight.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The battery module, its characterized in that includes electric core group (100), front end plate (200), back end plate (300) and CCS subassembly (400), front end plate (200) with back end plate (300) set up respectively the front side and the rear side of electric core group (100), CCS subassembly (400) set up the top of electric core group (100), CCS subassembly (400) include:

the device comprises a support (410), wherein an output pole mounting position is arranged on the support (410), and at least two first elastic buckles (420) are arranged on two opposite sides of the output pole mounting position;

the output pole (430), the one end of output pole (430) install in output pole installation position to with first elasticity buckle (420) joint, the other end of output pole (430) to the left side or the right side extension of electric core group (100).

2. The battery module according to claim 1, wherein the CCS assembly (400) further comprises a plurality of aluminum bars (440), the bracket (410) is provided with a plurality of mounting grooves, and the aluminum bars (440) are mounted in one-to-one correspondence with the mounting grooves;

be equipped with joint portion on the mounting groove, joint portion includes joint piece (451) and second elasticity buckle (452), joint piece (451) joint in a side of aluminium piece (440), second elasticity buckle (452) joint in another side of aluminium piece (440).

3. The battery module according to claim 1, wherein the CCS assembly (400) further comprises a wire harness (460), wherein a first connection hole is formed in the wire harness (460), and a first connection column (470) is formed in the bracket (410), and the first connection hole is plugged with the first connection column (470).

4. The battery module according to claim 1, further comprising an upper cover (500),

the upper cover (500) is provided with a second connecting hole (510), the support (410) is provided with a second connecting column (480), and the second connecting hole (510) is connected with the second connecting column (480) in an inserting mode.

5. The battery module according to claim 4, wherein the second coupling hole (510) is a kidney-shaped hole.

6. The battery module according to claim 4, wherein the head of the second connecting column (480) has a truncated cone shape.

7. The battery module according to any one of claims 1 to 6, further comprising:

a first insulator (600) disposed between the front end plate (200) and the electric core assembly (100);

a second insulator (700) disposed at the right side of the electric core pack (100);

a binding band (800) for binding the front end plate (200), the first insulator (600), the electric core pack (100), the second insulator (700), and the rear end plate (300) as a whole.

8. The battery module according to any one of claims 1-6, wherein the battery core assembly (100) comprises a plurality of battery cells (110), the plurality of battery cells (110) are sequentially stacked to form the battery core assembly (100), and foam (900) is disposed between adjacent battery cells (110).

9. The battery module according to claim 8, characterized in that a structural adhesive (1000) is arranged between the adjacent battery cells (110).

10. A battery pack, characterized by comprising the battery module according to any one of claims 1 to 9.