CN218242165U - Battery module, battery package and vehicle - Google Patents

Abstract

The utility model discloses a battery module, battery package and vehicle. The battery module includes: the battery comprises a single battery cell and a battery body, wherein the battery cell body comprises a shell and a pole core arranged in the shell, and the pole core is electrically connected with the pole; the insulating support is provided with an opening, and a buckle or a clamping groove is arranged on the peripheral wall of the opening; the insulating gasket is at least partially accommodated in the opening, the insulating gasket is provided with a clamping groove or a buckle which is suitable for being matched with the buckle or the clamping groove of the insulating support, at least part of the buckle is clamped in the clamping groove, and the pole penetrates through the insulating gasket; and the conductive block is connected with the pole and compresses the insulating gasket. The battery module is fixedly connected with the insulating support through the insulating gasket in a buckling manner, so that the fixing effect is firmer, the adhesive tape material can be saved, and the cost is reduced; change the conducting block into T type structure conducting block, improve the heat-sinking capability of monomer electricity core and provide the bigger welding area of battery module or battery package.

Description

Battery module, battery package and vehicle

Technical Field

The utility model relates to a battery technology field, in particular to battery module, battery package and vehicle.

Background

In the prior art, the battery cell passes through insulating support and constitutes module or battery package, and battery cell and insulating support are fixed through two tape-stripping. However, the insulating support is connected and fixed with the battery cell through the adhesive tape, and is limited by the material of the adhesive tape or the adhesive tape is aged, so that the adhesive is not firm, the insulating support is easy to fall off and lose efficacy, and the material cost is increased by using the adhesive tape.

SUMMERY OF THE UTILITY MODEL

The utility model discloses embodiment provides a battery module, battery package and vehicle.

The utility model discloses embodiment's a battery module includes:

the single battery cell comprises a battery cell body and a pole, wherein the battery cell body comprises a shell and a pole core arranged in the shell, and the pole core is electrically connected with the pole;

the insulating support is provided with an opening, and a buckle or a clamping groove is arranged on the peripheral wall of the opening;

the insulating gasket is at least partially accommodated in the opening, the insulating gasket is provided with a clamping groove or a buckle which is suitable for being matched with the buckle or the clamping groove of the insulating bracket, the buckle is at least partially clamped in the clamping groove, and the pole penetrates through the insulating gasket;

and the conductive block is connected with the pole and compresses the insulating gasket.

Among the above-mentioned battery module, draw-in groove or buckle on the monomer electricity core accessible insulating washer are connected fixedly with buckle or draw-in groove on the insulating support, and the fixed effect of insulating support is more firm and can save the sticky tape material, reduce cost.

In certain embodiments, the insulating support is mounted on at least one side of the cell.

In some embodiments, two of the buckles or the buckles are oppositely arranged on the peripheral wall of the opening, and two of the buckles or the buckles are arranged on the insulating gasket, and each buckle is arranged in a corresponding one of the buckles.

In some embodiments, the notch or snap is formed at the junction of the bottom surface and the side surface of the dielectric washer.

In some embodiments, the fastener is formed with a fastening portion and a limiting portion, the fastening portion connects the limiting portion and the wall with the opening or the side surface of the insulating gasket, the fastening portion is fastened in the fastening groove, and the limiting portion abuts against the side surface of the insulating gasket or the wall with the opening to limit the insulating gasket.

In some embodiments, the insulating spacer has a receiving groove formed on an upper surface thereof, and the conductive block is partially received in the receiving groove.

In some embodiments, the conductive block includes a main body and a flange, the flange is disposed on a circumferential side surface of the main body, the main body is partially received in the receiving groove, and the flange abuts against an upper surface of the insulating spacer.

In certain embodiments, the flange is annularly disposed along a circumference of the body.

In some embodiments, the housing includes a cover plate provided with a positioning slot, the insulating gasket being partially received in the positioning slot.

In some embodiments, the bottom wall of the positioning groove is provided with a cover plate through hole, and the bottom surface of the insulating gasket is convexly provided with a positioning part, and the positioning part is positioned in the cover plate through hole.

The utility model discloses embodiment's a battery package includes the battery module of any above-mentioned embodiment.

The utility model discloses vehicle of embodiment includes the battery module of any above-mentioned embodiment.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a battery module according to an embodiment of the present invention;

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

FIG. 3 is an enlarged schematic view of portion b of FIG. 1;

fig. 4 is a schematic structural view of an insulating support according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of a portion c of fig. 4;

fig. 6 is a schematic front view of a battery module according to an embodiment of the present invention;

FIG. 7 is an enlarged schematic view of portion d of FIG. 6;

fig. 8 is a schematic structural view of an insulating gasket according to an embodiment of the present invention;

fig. 9 is a top view of an insulating spacer according to an embodiment of the present invention;

FIG. 10 isbase:Sub>A schematic cross-sectional view of the dielectric spacer of FIG. 9 taken along line A-A;

fig. 11 is a schematic structural diagram of a conductive block according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a cover plate assembly according to an embodiment of the present invention;

fig. 13 is a schematic cross-sectional structural view of a cover plate assembly according to an embodiment of the present invention;

FIG. 14 is an enlarged schematic view of section e of FIG. 13;

fig. 15 is another schematic structural view of a battery module according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the embodiments of the present invention, and are not to be construed as limiting the embodiments of the present invention.

In embodiments of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact via another feature therebetween. 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. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present invention provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1 and fig. 2, a battery module 100 according to an embodiment of the present invention includes a single battery cell 10, an insulating support 12, an insulating gasket 14, and a conductive block 16.

The single battery cell 10 includes a battery cell body 11 and a terminal post 15, where the battery cell body 11 includes a casing 21 and a terminal core disposed in the casing 21, and the terminal core is electrically connected to the terminal post 15. The insulating support 12 is provided with an opening 17, and a buckle 20 or a clamping groove 18 is arranged on a surrounding wall 13 of the opening 17. The insulating gasket 14 is at least partially accommodated in the opening 17, the insulating gasket 14 is provided with a clamping groove 18 or a clamping buckle 20 which is suitable for being matched with a clamping buckle 20 or a clamping groove 18 of the insulating bracket 12, the clamping buckle 20 is at least partially clamped in the clamping groove 18, and the pole 15 penetrates through the insulating gasket 14. And the conductive block 16 is connected with the pole 15 and compresses the insulating gasket 14.

The surrounding wall 13 of the opening 17 is a wall that the insulating support 12 is arranged around the opening 17; the pole core at least comprises a positive pole piece, a negative pole piece and a diaphragm or solid electrolyte arranged between the positive pole piece and the negative pole piece.

In the battery module 100, the individual battery cells 10 can be connected and fixed with the fasteners 20 or the locking grooves 18 on the insulating support 12 through the locking grooves 18 or the fasteners 20 on the insulating spacers 14, so that the fixing effect is firmer, and the use of adhesive tapes as fixing materials can be avoided, thereby reducing the cost.

Specifically, the battery module 100 may include a plurality of battery cells 10, and each battery cell 10 is the minimum power unit of the battery module 100, and the battery module 100 is formed by arranging and setting the plurality of battery cells 10. The plurality of battery cells 10 may be connected in series, may also be connected in parallel, may also be connected in series, and may also be connected in parallel, and is not specifically limited herein. The buckle through insulating support 12 and insulating gasket 14 between a plurality of monomer electric cores 10 is connected fixedly, prevents that monomer electric core 10 from rocking, has avoided using sticky tape material restriction, the insecure and increase material cost scheduling problem of pasting that sticky tape fixed brings simultaneously. The conductive block 16 is connected with the cell pole 15 and compresses the insulating gasket 14.

The conductive block 16 may be made of metal, such as aluminum. The conductive block 16 may be welded to the post 15.

In certain embodiments, the insulating support 12 is mounted on at least one side of the individual cells 10. In this way, the insulating support 12 can support and fix the unit cells 10.

Specifically, the insulating support 12 may be installed on one side or two sides of the battery cell 10, and the insulating support 12 may fix a plurality of battery cells 10 together to form the battery module 100.

In some embodiments, two opposite latches 20 or latches 18 are provided on the peripheral wall 13 of the opening 17, and two latches 18 or latches 20 are provided on the dielectric washer 14, and each latch 20 is provided in a corresponding one of the latches 18. Therefore, the fixing effect of the insulating gasket 14 and the insulating bracket 12 is good.

Specifically, in the illustrated embodiment, two clips 20 are disposed at the upper and lower ends of the opening 17, and each clip 20 is connected to one of the slots 18 of the insulating gasket 14 to fix the insulating gasket 14.

It is understood that in other embodiments, two fasteners 20 may be disposed at the left and right ends of the opening 17, or the peripheral walls 13 at the upper, lower, left and right ends of the opening 17 are both disposed with the fasteners 20, and correspondingly, the number of the slots 18 disposed on the insulating gasket 14 is the same as the number of the fasteners 20, and the positions of the slots 18 correspond to the positions of the fasteners 20.

In other embodiments, one or more notches 18 may be provided in the peripheral wall 13 of the opening 17, with a corresponding number of catches 20 being provided on the dielectric washer 14.

In some embodiments, referring to fig. 8, the slot 18 of the insulating spacer 14 is formed at the junction of the bottom surface and the side surface. In this way, the insulating spacer 14 facilitates the installation of the insulating support 12, and can ensure the installation efficiency and the fixing effect.

Specifically, the bottom surface of the insulating spacer 14 refers to a surface of the insulating spacer 14 facing the pole core side; the side surface of the insulating spacer 14 refers to a surface adjacent to the bottom surface. The insulating gasket 14 forms a clamping groove 18 at the joint of the bottom surface and the side surface, a buckle 20 is arranged on the opening wall of the insulating support 12, and the buckle 20 is partially clamped in the clamping groove 18, so that the insulating gasket 14 is ensured to be locked on the insulating support 12, and the insulating gasket is ensured not to fall off in the using process. During installation, the bottom surface of the insulating gasket 14 faces the direction of the opening 17 of the insulating support 12, the clamping groove 18 corresponds to the position of the buckle 20, then the insulating gasket 14 approaches to the direction of the opening 17, the buckle 20 of the insulating support 12 is clamped into the clamping groove 18 from the clamping groove opening on the bottom surface of the insulating gasket 14, the clamping groove 18 on the side surface can avoid the buckle 20, and the buckle 20 can smoothly enter the clamping groove 18.

In other embodiments, the locking groove 18 or the locking buckle 20 on the insulating spacer 14 may be disposed on one or both of the bottom surface and the side surface, and the position of the locking groove 18 or the locking buckle 20 on the insulating spacer 14 corresponds to the position of the locking buckle 20 or the locking groove 18 on the peripheral wall 13 of the opening 17.

In some embodiments, referring to fig. 2, fig. 3 and fig. 7, the latch 20 is formed with a latching portion 34 and a limiting portion 36, the latching portion 34 and the limiting portion 36 are on the peripheral wall 13 of the opening 17 or on the side surface of the insulating gasket 14, the latching portion 34 is latched in the latching groove 18, and the limiting portion 36 abuts against the side surface of the insulating gasket 14 or the peripheral wall 13 of the opening 17 to limit the insulating gasket 14. Thus, the insulating gasket 14 can be prevented from rattling.

Specifically, as shown in fig. 2, when the buckle is disposed on the insulating support 12, after the insulating gasket 14 is fixedly connected to the insulating support 12 through the buckle 20, the limiting portion 36 may abut against a side surface of the insulating gasket 14 to limit the insulating gasket 14, so as to prevent the insulating gasket 14 from shaking in the direction. In the illustrated embodiment, the upper and lower ends of the surrounding wall 13 of the opening 17 are respectively provided with one clip 20, and the limiting portions 36 on the two clips 20 can limit the insulating gasket 14 in the vertical direction, so as to prevent the insulating gasket 14 from shaking in the vertical direction. Meanwhile, the limiting part 36 can guide the buckle 20 to smoothly, correctly and quickly reach the installation position. The locking portion 34 is locked in the locking groove 18 to ensure that the insulating gasket 14 is locked on the insulating support 12 and does not fall off during use. When the fastener is disposed on the insulating gasket 14, after the insulating gasket 14 is fixedly connected with the insulating support 12 through the fastener 20, the limiting portion 36 may abut against the peripheral wall 13 of the opening 17 to limit the insulating gasket 14.

The insulating gasket 14 and the insulating support 12 are fixedly connected by the matching of the buckle 20 and the slot 18, wherein the width of the buckle part 34 accommodated in the slot 18 matches with the width of the slot 18, and meanwhile, the width of the buckle 20 matches with the width of the slot 18, so that the buckle 20 can be limited in the width direction (left and right direction in the figure).

In some embodiments, referring to fig. 8, the insulating pad 14 has a receiving groove 19 formed on an upper surface thereof, and the conductive block 16 is partially received in the receiving groove 19. So, can promote the installation effectiveness, make battery module structure compacter simultaneously.

Specifically, storage tank 19 is seted up to the upper surface of insulating washer 14, and conducting block 16 partially holds in storage tank 19, and storage tank 19 provides bearing space for conducting block 16, plays the positioning action to conducting block 16's installation simultaneously, can improve the installation effectiveness, makes battery module structure compacter.

In some embodiments, referring to fig. 11, the conductive block 16 includes a main body 24 and a flange 26, the flange 26 is disposed on a circumferential side surface of the main body 24, the main body 24 is partially received in the receiving groove 19, and the flange 26 abuts against an upper surface of the insulating gasket 14 to press the insulating gasket 14. So, improved the heat-sinking capability of monomer electricity core 10 and provided the bigger welding area of battery module or battery package.

In particular, the main body 24 may be partially housed in the housing groove 19 of the insulating gasket 14, the main body 24 being connected, for example welded, to the pole 15. The main body 24 plays a positioning role in the assembly of the conductive block 16, and meanwhile, the flange 26 is arranged on the circumferential side face of the main body 24, so that the upper surface area of the conductive block 16 is increased, the heat dissipation capacity of the battery cell 10 is improved, and a larger welding area is provided for the battery module 100 or a battery pack.

In some embodiments, the flange 26 is disposed annularly along the circumference of the main body 24, so as to further improve the heat dissipation capability of the single battery cells 10 and provide a larger welding area for the battery module or the battery pack.

Specifically, the flange 26 is annular along the circumferential direction of the main body 24, so that a circle of flange 26 is arranged in 360 degrees along the circumferential direction of the main body 24, the overall structure of the conductive block 16 is T-shaped, and on the premise of increasing the upper surface area of the conductive block 16, the structure has symmetry and is easy to process and assemble.

In other embodiments, to increase the heat dissipation and soldering area, the flange 26 of the conductive block 16 may be enlarged or reduced as required, or may have an oblate cylindrical shape or other shapes, and may be designed and selected according to actual needs.

In some embodiments, referring to fig. 12 to 14, the housing 21 includes a cover plate 22, the cover plate 22 is provided with positioning slots 28, and the insulating gasket 14 is partially received in the positioning slots 28. Thus, the assembly efficiency and accuracy are improved.

Specifically, when the insulating support 12 and the insulating gasket 14 are fixedly connected by the snap 20, the insulating support 12 is located on the cover plate 22. Cover plate 22 is provided with detents 28 and insulating spacer 14 is partially received within detents 28. The position of the insulating gasket 14 is precisely fixed by the positioning grooves 28, improving the installation efficiency and accuracy of the battery module 100.

In some embodiments, referring to fig. 10 and 14, a cover plate through hole 30 is formed in the bottom wall of the positioning groove 28, a positioning portion 32 is protruded from the bottom surface of the insulating gasket 14, and the positioning portion 32 is positioned in the cover plate through hole 30. In this way, the mounting efficiency and the structural stability of the battery module 100 can be ensured. The bottom wall of detent 28 refers to the wall of cover plate 22 on the side near the pole piece.

Specifically, positioning groove 28 defines the position of insulating gasket 14 by receiving positioning portion 32 protruding from the bottom surface of insulating gasket 14, and simultaneously, by limiting positioning groove 28, it is ensured that cover plate 22 and insulating gasket 14 have the same position as through hole 33, which is convenient for assembling conductive block 16, and is also convenient for subsequent welding and other operations.

To sum up, the utility model discloses embodiment's battery module 100, through insulating support 12 and insulating gasket 14's buckle connected mode, can prevent that monomer electricity core 10 from rocking from top to bottom, make battery module 100 structure more stable, the fixed effect of insulating support 12 of battery module 100 or battery package is more firm and can save sticky tape material, reduce cost. Through T type structure conducting block 16, improved the heat-sinking capability of monomer electricity core 10 and provided the bigger welding area of battery module or battery package.

The embodiment of the present invention further provides a battery pack, which includes the battery module 100 according to any one of the above embodiments.

Among the above-mentioned battery package, fix a plurality of monomer electricity cores 10 in battery module 100, through insulating support 12 and insulating gasket 14's buckle connected mode, can prevent that monomer electricity core 10 from rocking from top to bottom, make battery module 100 structure more stable, the fixed effect of passing through insulating support 12 of battery package is more firm and can save sticky tape material, reduce cost. Through T type structure conducting block 16, improved the heat-sinking capability of monomer electricity core 10 and provided the bigger welding area of battery module or battery package.

The embodiment of the invention also provides a vehicle which comprises the battery module 100 of any one of the above embodiments.

In the vehicle, the single battery cells 10 can be connected and fixed with the fasteners 20 on the insulating support 12 through the slots 18 on the insulating spacers 14, so that the insulating support 12 is more firmly fixed, adhesive tape materials can be omitted, and the cost is reduced.

Specifically, vehicles include, but are not limited to, electric-only vehicles, hybrid vehicles, extended range electric vehicles, and the like. The plurality of battery modules 100 may form a battery pack, and the battery pack may serve as a power battery pack. Each battery module 100 may include a plurality of unit cells 10, and the battery pack may be mounted on a vehicle chassis.

In the description of the present specification, reference to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (12)

1. A battery module, comprising:

the battery comprises a single battery cell and a battery body, wherein the battery cell body comprises a shell and a pole core arranged in the shell, and the pole core is electrically connected with the pole;

the insulating bracket is provided with an opening, and a buckle or a clamping groove is arranged on the peripheral wall of the opening;

the insulating gasket is at least partially accommodated in the open hole, the insulating gasket is provided with a clamping groove or a buckle which is suitable for being matched with the buckle or the clamping groove of the insulating bracket, the buckle is at least partially clamped in the clamping groove, and the pole penetrates through the insulating gasket;

and the conductive block is connected with the pole and compresses the insulating gasket.

2. The battery module according to claim 1, characterized in that, the insulating support is installed in at least one side of the electric core.

3. The battery module according to claim 1, wherein the peripheral wall of the opening is provided with two opposite clips or slots, the insulating gasket is provided with two slots or clips, and each clip is disposed in a corresponding slot.

4. The battery module according to claim 1, wherein the catching groove or the catch is formed at a connection portion of the bottom surface and the side surface of the insulating gasket.

5. The battery module according to claim 1, wherein the latch is formed with a latching portion and a limiting portion, the latching portion connects the limiting portion and the wall with the opening or the side surface of the insulating gasket, the latching portion is latched in the latching groove, and the limiting portion abuts against the side surface of the insulating gasket or the wall with the opening to limit the insulating gasket.

6. The battery module as set forth in claim 1, wherein a receiving groove is defined in an upper surface of the insulating spacer, and the conductive block is partially received in the receiving groove.

7. The battery module according to claim 6, wherein the conductive block includes a main body and a flange, the flange is disposed on a circumferential side surface of the main body, the main body is partially received in the receiving groove, and the flange abuts against an upper surface of the insulating gasket.

8. The battery module according to claim 7, wherein the flange is annularly disposed along the circumferential direction of the body.

9. The battery module as recited in claim 1, wherein the case includes a cover plate provided with a positioning groove, and the insulating gasket is partially received in the positioning groove.

10. The battery module according to claim 9, wherein the bottom wall of the positioning groove is provided with a cover plate through hole, and the bottom surface of the insulating gasket is provided with a positioning portion protruding therefrom, wherein the positioning portion is positioned in the cover plate through hole.

11. A battery pack comprising the battery module according to any one of claims 1 to 10.

12. A vehicle characterized by comprising the battery module according to any one of claims 1 to 10.

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