CN217468640U - Battery module and battery pack thereof - Google Patents
Battery module and battery pack thereof Download PDFInfo
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- CN217468640U CN217468640U CN202221243574.8U CN202221243574U CN217468640U CN 217468640 U CN217468640 U CN 217468640U CN 202221243574 U CN202221243574 U CN 202221243574U CN 217468640 U CN217468640 U CN 217468640U
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- battery module
- pole piece
- fixing base
- output pole
- battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model provides a battery module and battery package thereof, the battery module includes the end plate of both sides to and the electric core group between the end plate, wherein, the end plate upper end is provided with the recess, and the fixing base setting is in the recess, one side of output pole piece stacks the setting and is in the top surface of fixing base, the top surface of fixing base is the horizontal plane. The output pole piece of battery module is direct to be stacked on the fixing base, and the fixing base does not set up the holding tank, can avoid establishing the fixing base of holding tank, makes the limited problem of the external direction of output pole piece to make battery module more nimble in practical application, need not the complicated part of switching when being connected with the outer part that allies oneself with.
Description
Technical Field
The utility model belongs to the technical field of the battery, a battery module and battery package thereof is related to.
Background
The power battery is used as a main power source of the new energy electric automobile, is safe and reliable, has high energy density, and gradually occupies the main force of the market. The power battery generally comprises a plurality of battery modules, and each battery module generally comprises a battery core, a battery shell, an end plate, a sampling wire harness, an output electrode assembly and the like; the battery module is connected with the external conductive piece arranged on the external load through the output pole, so that the electrical connection with the external load is realized, namely, the output pole assembly is used as a direct connection assembly with an external connection component, and the structure of the battery module determines the key whether the module can be flexibly applied in the actual use process.
However, output pole subassembly one end among the prior art is connected the back with the battery module inner part, and when the outer part that allies oneself with of reconnection, the direction of connecting can receive very big restriction for the output pole is limited to the direction of outer connection, needs complicated switching just can realize the connection of a plurality of directions, consequently outputs pole piece and battery module inner part connected mode and sets up the direction that the position can greatly influence the output pole piece to outer connection.
Based on above research, need provide a battery module and battery package thereof, the output pole subassembly setting of battery module is on the reasonable position of module, and the output pole subassembly need not carry on complicated switching again can realize a plurality of external directions of connecting.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a battery module and battery package thereof, the external output part of battery module can select to connect from three direction when carrying out external connection, has practiced thrift the material use of external connecting piece, the cost is reduced.
To achieve the purpose, the utility model adopts the following technical proposal:
in a first aspect, the utility model provides a battery module, battery module includes the end plate of both sides to and the electric core group between the end plate, wherein, the end plate upper end is provided with the recess, and the fixing base setting is in the recess, one side of output pole piece stacks the setting and is in the top surface of fixing base, the top surface of fixing base is the horizontal plane.
The utility model provides an among the battery module, the output pole piece of being connected with the external component passes through the fixing base setting in the end plate upper end, specifically through adopting the fixing base that does not set up the holding tank, make the output pole piece stack on the fixing base, thereby make the output pole piece can carry out the lug connection through a plurality of directions and external component, make the battery module can utilize in a flexible way, and need not to realize being connected in a plurality of directions through complicated part and external component again, overcome and make output pole piece and the limited problem of external component direction of connection after being connected of output pole piece and fixing base.
Preferably, the fixing seat is arranged in a groove at the upper end of the end plate in a clamping or inserting mode.
Fixing base upper end is planar structure for the planar structure of upper end can range upon range of the setting with output pole piece, from not influencing output pole piece and the connection of external component.
Preferably, the output pole piece is of a two-layer ladder structure, wherein one layer is connected with the fixing seat, and the other layer is connected with the battery core pole in the battery core group.
Preferably, the battery core group includes the electric core that piles up in proper order along battery module length direction, and the electric core upper end includes electric core utmost point post, another layer in the two-layer stair structure of output pole piece is connected with electric core utmost point post.
The echelonment structure of output pole piece can be more firm connect the electric core utmost point post of fixing base and the other end.
Preferably, a protruding part is further arranged on the top surface of the fixed seat.
Preferably, the output pole piece is provided with a concave part corresponding to the convex part, so that the output pole piece is connected with the fixing seat in a clamping manner.
Preferably, the battery module further comprises an external connection component, one end of the external connection component is connected with the output pole piece through the fixing seat, and the connection direction of the external connection component is adjustable.
Preferably, the upper end of one layer of the output pole piece connected with the fixing seat is connected with the external connection component.
Preferably, the cell pole column connected to the output pole piece is located in the cells stacked in sequence, and on the cells at both ends.
Utmost point post on the direct adjacent electric core of end plate links to each other with the output pole piece to do benefit to linking to each other of output pole piece and end plate upper end fixing base.
Preferably, glue layers are further arranged between the cells which are stacked in sequence.
The utility model discloses still be provided with the glue film between electric core and the electric core in the battery module for fixed electric core avoids the removal of transportation or in-service use electric core or drops, improves the stability of battery module.
Preferably, a glue layer is further arranged between the end plate and the cell core group.
The utility model discloses still be provided with the glue film between the electric core group among the battery module and the end plate, play the effect of fixed end plate and electric core group, improve the stability of battery module.
Preferably, the fixed seat is further provided with a protective cover, a gap exists between the protective cover and the fixed seat, the gap enables the output pole piece to be stacked on the fixed seat, and the external connection component can penetrate through the gap to be connected with the output pole piece.
There is the clearance between visor and the fixing base, the clearance can make the output pole piece stack on the fixing base, and enables the external component and pass and be connected with the output pole piece.
The fixing base and the protective cover respectively and independently adopt the known material PC (polycarbonate), PP (polypropylene), PBT (polybutylene terephthalate) or PA (polyamide) injection moulding.
Preferably, the protective cover is connected with the fixed seat in a clamping or inserting mode.
Preferably, the battery module further comprises an insulating cover disposed above the electric core group and the end plate.
Insulating cover plays the effect of protection electric core utmost point post, promotes the holistic security performance of battery module in the in-service use process.
Preferably, the insulation cover is connected with the end plate and the electric core group through bonding, clamping or riveting.
The material of the insulating cover of the utility model adopts the known material PC (polycarbonate) or PP (polypropylene) in the field.
In a second aspect, the present invention further provides a battery pack, wherein the battery pack includes the battery module according to the first aspect.
Compared with the prior art, the beneficial effects of the utility model are that:
the output pole piece of the battery module is directly stacked on the fixed seat, and the fixed seat is not provided with the accommodating tank, and the fixed seat of the accommodating tank can be avoided by stacking and arranging on the fixed seat, so that the output pole piece is arranged in the accommodating tank to cause the problem of limited external connection direction; the utility model discloses output pole piece can carry out the lug connection through a plurality of directions and outer antithetical couplet part for the battery module can use in a flexible way in practical application, and need not to realize being connected in a plurality of directions through complicated part and outer antithetical couplet part again.
Drawings
Fig. 1 is a schematic view of a disassembled structure of a battery module according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of the connection between the output pole piece and the external connection component in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of the fixing base according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of an output pole piece according to embodiment 1 of the present invention;
fig. 5 is a schematic view of a connection structure between the fixing base and the output pole piece according to embodiment 1 of the present invention;
the battery comprises an end plate 1, a fixed seat 2, a protective cover 3, an output pole piece 4, an electric core 5, an insulating cover 6, an external connection component 7, a convex part 8 and a concave part 9.
Detailed Description
It is to be understood that in the description of the present invention, the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" in the description of the present invention are to be construed broadly, and may for example be 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 by those of ordinary skill in the art through specific situations.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example 1
The embodiment provides a battery module, a disassembly structure schematic diagram of the battery module is shown in fig. 1, the disassembly schematic diagram is a structure of one end of the battery module, and the structure of the other end is the same as that shown in the figure; the battery module comprises end plates 1 at two sides, an electric core group between the end plates 1 at the two sides, and an insulating cover 6 at the upper end;
the upper end of the end plate 1 is provided with a groove, the fixed seat 2 is clamped and arranged in the groove, the fixed seat 2 is not provided with an accommodating groove, the upper end of the fixed seat 2 is a plane parallel to the horizontal direction, and the output pole piece 4 has a two-layer ladder structure, wherein one layer is stacked and arranged at the upper end of the fixed seat 2, and the other layer is arranged on a pole of the battery cell 5 adjacent to the end plate 1; the output pole piece 4 is stacked on the fixed seat 2 and is provided with a protective cover 3 through clamping.
The battery module can further comprise an external connection component 7, one end of the external connection component 7 is connected with the output pole piece 4 through the fixing seat 2, the direction of the other end of the external connection component 7 is adjustable, the schematic connection diagram of the output pole piece 4 and the external connection component 7 is shown in fig. 2, and the external connection component 7 can be connected with the output pole piece 4 in multiple directions;
in a possible embodiment, a gap may also exist between the protective cover 3 and the fixed seat 2, the gap enables the output pole piece 4 to be stacked on the fixed seat 2, and the external connection component 7 to pass through the gap to be connected with the output pole piece 4;
in a possible implementation, can set up the through-hole on the fixing base 2, be provided with the through-hole on the output pole piece 4, after output pole piece 4 stacks on fixing base 2, the through-hole of output pole piece 4 corresponds with the through-hole on the fixing base 2, and then can be connected output pole piece 4 and fixing base 2 through the connecting piece, the embodiment of the utility model provides a do not restrict the concrete structure of connecting piece, for example can be bolt etc..
In another possible embodiment, the top surface of the fixing base 2 may further be provided with a protruding portion 8, and the embodiment of the present invention does not limit the position and the number of the protruding portions 8, for example, the number of the protruding portions 8 may be 1, and the protruding portions 8 may be arranged at the middle position of the fixing base 2, and for another example, the number of the protruding portions 8 may be 2, and the protruding portions are arranged at both ends of the top surface of the fixing base 2, and for another example, the number of the protruding portions 8 may be 3, 4, 5, and the like. Be provided with the depressed part 9 that corresponds with the bellying 8 of fixing base 2 on the output pole piece 4, make output pole piece 4 and fixing base 2 joint, wherein, depressed part 9 can set up to the through-hole.
In another possible embodiment, for example, the fixing base 2 may be provided with a through hole and a protrusion 8 at the same time, the schematic structural diagram of the fixing base 2 is shown in fig. 3, the schematic structural diagram of the output pole piece 4 is shown in fig. 4, and a recess 9 corresponding to the protrusion 8 is provided, so that the output pole piece 4 and the fixing base 2 are in the snap connection shown in fig. 5.
The battery core group comprises battery cores 5 which are sequentially stacked along the length direction of the battery module, a glue layer is arranged between the sequentially stacked battery cores 5, and a glue layer is also arranged between the end plate 1 and the battery core group;
the battery module provided by the embodiment can be connected with the external connection component 7 at the upper end position of the outer end plate 1, has a plurality of connection directions, does not need to be switched again through complex parts, and can protect the output pole piece 4 by the protective cover 3 arranged on the fixed seat 2.
Example 2
This embodiment provides a battery module, which is different from embodiment 1 only in that the rest is the same as embodiment 1 except that a protective cover is not provided.
The battery module provided by this embodiment is not provided with a protection cover, and because the protection cover plays a role in protecting the output pole piece, compared with embodiment 1, the safety performance of the battery module provided by this embodiment in the actual application process is reduced.
Example 3
This example provides a battery module that differs from example 1 only in that an insulating cover is not provided, and the rest is the same as example 1.
The insulating cover can protect the battery module, promotes the security performance of battery module, consequently, this embodiment compares in embodiment 1 the security performance of battery module descends.
Example 4
This embodiment provides a battery module, battery module only lies in with embodiment 1's difference, does not set up the glue layer between electric core and the electric core outside, and all the rest is the same with embodiment 1.
The battery module that this embodiment provided does not set up the glue film between electric core, in module transportation or use, can make electric core displacement even drop to influence the normal use of battery module, compare in embodiment 1, the stability of the battery module that this embodiment provided descends.
Example 5
This embodiment provides a battery module, which is different from embodiment 1 only in that no glue layer is disposed between the end plates and the cell groups, and the rest is the same as embodiment 1.
The battery module that this embodiment provided does not set up the glue film between electric core group and end plate, and in module transportation or use, the displacement of end plate or electric core group makes the output pole piece become flexible with being connected of fixing base or disconnection to lead to battery module's contact failure, compare in embodiment 1, the stability and the security of the battery module that this embodiment provided all descend.
Comparative example 1
This comparative example provides a battery module, the difference of battery module and embodiment 1 lies in that the fixing base is provided with the holding tank that holds the output pole piece, and the output pole piece passes through the holding tank to be connected rather than stacking with the fixing base, and all the other is the same with embodiment 1.
The battery module that this comparative example provided links to each other with the output pole piece through the holding tank of fixing base for the output pole piece is limited with the direction of connection of outer antithetical couplet part, compares in embodiment 1, has increased the material use of external connection spare, has promoted the cost.
To sum up, the utility model provides a battery module and battery package thereof, the output pole piece of battery module is through setting up on the reasonable position of module, and need not carry on complicated switching again and can realize a plurality of external connection directions, makes the practical application of battery module more nimble.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all within the protection scope and the disclosure scope of the present invention.
Claims (10)
1. The utility model provides a battery module, its characterized in that, battery module includes the end plate of both sides to and the electric core group between the end plate, wherein, the end plate upper end is provided with the recess, and the fixing base setting is in the recess, one side of output pole piece stacks the setting and is in the top surface of fixing base, the top surface of fixing base is the horizontal plane.
2. The battery module according to claim 1, wherein the fixing seat is arranged in a groove at the upper end of the end plate in a clamping or inserting manner.
3. The battery module of claim 1, wherein the output pole piece has a two-layer ladder structure, one of which is connected to the fixing base and the other of which is connected to the cell post of the cell pack.
4. The battery module according to claim 3, wherein a protrusion is further provided on the top surface of the holder.
5. The battery module according to claim 4, wherein the output pole piece is provided with a concave portion corresponding to the convex portion, so that the output pole piece is connected with the fixing seat in a clamping manner.
6. The battery module according to claim 1, further comprising an external connection component, wherein one end of the external connection component is connected with the output pole piece through the fixing seat, and the connection direction of the external connection component is adjustable.
7. The battery module as recited in claim 1, wherein the fixing base is further provided with a protection cover, a gap exists between the protection cover and the fixing base, the gap enables the output pole piece to be stacked on the fixing base, and the external connection component can penetrate through the gap to be connected with the output pole piece.
8. The battery module according to claim 1, further comprising an insulative cap disposed above the pack and the end plates.
9. The battery module according to claim 8, wherein the insulating cover is connected to the end plates and the cell group by bonding, clamping or riveting.
10. A battery pack, characterized in that the battery pack comprises the battery module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221243574.8U CN217468640U (en) | 2022-05-23 | 2022-05-23 | Battery module and battery pack thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221243574.8U CN217468640U (en) | 2022-05-23 | 2022-05-23 | Battery module and battery pack thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217468640U true CN217468640U (en) | 2022-09-20 |
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ID=83278106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221243574.8U Active CN217468640U (en) | 2022-05-23 | 2022-05-23 | Battery module and battery pack thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217468640U (en) |
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2022
- 2022-05-23 CN CN202221243574.8U patent/CN217468640U/en active Active
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