CN212485435U - Power battery pack - Google Patents
Power battery pack Download PDFInfo
- Publication number
- CN212485435U CN212485435U CN202020849308.4U CN202020849308U CN212485435U CN 212485435 U CN212485435 U CN 212485435U CN 202020849308 U CN202020849308 U CN 202020849308U CN 212485435 U CN212485435 U CN 212485435U
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- China
- Prior art keywords
- aluminum plate
- plate subassembly
- electric core
- adjacent
- battery pack
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- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 80
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052751 metal Inorganic materials 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 27
- 238000003466 welding Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a power battery pack, including multiunit aluminum plate subassembly unit, including a plurality of aluminum plate subassemblies in every aluminum plate subassembly unit of group, it is a plurality of aluminum plate subassemblies are linked together side by side, separate for the first connecting strip of the protruding type structure of falling through the cross-section between every adjacent two sets of aluminum plate subassembly units, every adjacent two all be connected with a plurality of second connecting strips, every between the first connecting strip be equipped with a plurality of electric cores in the aluminum plate subassembly, and every the utmost point ear of two adjacent electric cores is linked together on the aluminum plate subassembly, and the utmost point ear of the electric core of edge is linked together with the utmost point ear of the electric core of adjacent aluminum plate subassembly edge. The utility model discloses beneficial effect: directly assemble electric core to the box in, reduce the weight that module and other structures brought and the waste in space, reach the purpose that improves weight energy density and volume energy density.
Description
Technical Field
The utility model belongs to the technical field of power battery, especially, relate to a power battery package.
Background
At present, battery packs of most battery enterprises and new energy vehicle enterprises at home and abroad are in a single-module-battery pack grouping mode, and the flexibility and the safety of products are guaranteed through modular multistage assembly, but the space utilization rate and the energy density of the battery packs are also sacrificed.
Under the pressure of subsidy grade withdrawal, market competition aggravation and the like, the energy density of a battery pack is improved and the cost is reduced by means of new material development, product design optimization, process flow optimization and the like in the current battery enterprises and new energy vehicle enterprises. In this context, in order to achieve higher utilization rate, battery enterprises and vehicle enterprises are actively exploring new technical directions, wherein two main technical directions are large-size modules or modules are directly abandoned to directly assemble a battery pack.
The structure that uses at present is based on the module carries out PACK's structural design, what the structural design of module brought is unnecessary module fastener and module structure, and these spare parts have played the module and have established ties and the fixed effect of module structure, from structural, are in order to realize whole car series-parallel connection and the fixed purpose of structure. With the increase of modules, a substantial decrease of the gravimetric and volumetric energy densities is brought about.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a power battery pack to solve the above-mentioned problems.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a power battery package, includes multiunit aluminum plate subassembly unit, and every group aluminum plate subassembly unit is including a plurality of aluminum plate subassemblies, and is a plurality of aluminum plate subassemblies link together side by side, separates every adjacent two sets of aluminum plate subassembly units through the cross-section for falling the first connecting strip of protruding type structure, every adjacent two all be connected with a plurality of second connecting strips between the first connecting strip, every be equipped with a plurality of electric cores in the aluminum plate subassembly, and every the utmost point ear of two adjacent electric cores on the aluminum plate subassembly links together, and the utmost point ear of the electric core of edge links together through the busbar with the utmost point ear of the electric core of adjacent aluminum plate subassembly edge, and draws forth the utmost point ear of the electric core of both sides edge.
Further, the aluminum plate subassembly is the I shape structure, just evenly is equipped with a plurality of embedded metal connecting pieces in the aluminum plate subassembly, and is a plurality of embedded metal connecting piece is equallyd divide the front and back both sides of aluminum plate subassembly into a plurality of electric core installation positions, every all be equipped with electric core in the electric core installation position, with the utmost point ear of the adjacent electric core of embedded metal connecting piece all connects on adjacent embedded metal connecting piece.
Further, every evenly be equipped with a N embedded metal connecting piece on the aluminum plate subassembly, every electric core installation position quantity on the aluminum plate subassembly is 2(N + 1).
Furthermore, every the front side surface four corners department of aluminum plate subassembly all is equipped with the spliced pole, and back surface four corners department all is equipped with the connecting hole with the spliced pole one-to-one, and an aluminum plate subassembly links together through the connecting hole of spliced pole and another adjacent aluminum plate subassembly.
Furthermore, first connecting strip and second connecting strip all are located the upper surface of multiunit aluminum plate subassembly unit, just evenly be equipped with a plurality of fixed orificess on the first connecting strip, the fixed orificess internal connection has the bolt, links together first connecting strip and bottom half through the bolt.
Further, roof bottom both sides edge of first connecting strip all evenly is equipped with a plurality of logical grooves, every lead to the inslot side and all be equipped with and correspond the recess that leads to the groove intercommunication, the second connecting strip both ends all are equipped with the lug along both sides, the second connecting strip passes logical groove and lug joint in the recess.
Further, embedded metal connecting piece upside is the cylinder structure, and the downside is the cuboid structure, evenly be equipped with a plurality of connecting piece installation pieces with aluminum plate component surface parallel and level on the aluminum plate component, be equipped with the logical groove of cuboid installation in the middle of the connecting piece installation piece, the inside cylinder installation that is equipped with and leads to the groove intercommunication with the cuboid installation of one end leads to the groove, embedded metal connecting piece's cylinder structure is embedded in the logical inslot of cylinder installation and outer terminal surface and aluminum plate component surface coincidence, and the cuboid structure is embedded in the logical inslot of cuboid installation, just both sides surface all is less than the last border that the logical groove was led to in the cuboid installation around the cuboid structure, the utmost point ear of electricity core passes the logical.
Furthermore, the bus bar is an aluminum bar or a copper bar.
Furthermore, the outer end face of the upper side cylinder structure of the embedded metal connecting piece is of a welding plane structure, a bolt structure or a screw hole structure.
Compared with the prior art, power battery package have following advantage:
power battery package break away from the notion of traditional module, can directly assemble electric core to the box in, reduce the weight that module and other structures brought and the waste in space, reach the purpose that improves weight energy density and volume energy density.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a power battery pack according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the aluminum plate assembly and the battery cell according to the embodiment of the present invention after being assembled;
fig. 3 is a schematic structural diagram of a first connecting strip according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a second connecting strip according to an embodiment of the present invention;
fig. 5 is a schematic view of an embedded metal connecting member according to an embodiment of the present invention.
Description of reference numerals:
1-an aluminum plate assembly; 2-a busbar; 3-a first connecting strip; 4-a second connecting strip; 5-a box body; 6-fixing holes; 7-through grooves; 8-a groove; 9-a lug; 10-electric core; 11-embedded metal connectors; 12-column mounting through groove.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 5, a power battery pack includes a plurality of sets of aluminum plate assembly units, each set of aluminum plate assembly unit includes a plurality of aluminum plate assemblies 1, a plurality of aluminum plate assemblies 1 are connected together side by side, and are separated by first connecting strips 3 with a cross section of an inverted convex structure between every two adjacent sets of aluminum plate assembly units, every two adjacent ones of the first connecting strips 3 are connected with a plurality of second connecting strips 4, each of the second connecting strips are connected with a plurality of battery cells 10 in each aluminum plate assembly 1, and each of the second connecting strips is connected with the tabs of two adjacent battery cells on each aluminum plate assembly 1, and the tabs of the battery cells at the edges are connected with the tabs of the battery cells at the edges of the adjacent aluminum plate assemblies 1 through a busbar 2 or a direct welding manner, and the tabs of the battery cells at the edges at the two sides are led out.
Aluminum plate subassembly 1 is the I shape structure, and evenly be equipped with a plurality of embedded metal connecting pieces 11 in aluminum plate subassembly 1, it is a plurality of embedded metal connecting pieces 11 divide equally with aluminum plate subassembly 1 both sides around and separate into a plurality of electric core installation positions, every all be equipped with electric core in the electric core installation position, with the utmost point ear of the electric core that embedded metal connecting piece 11 is adjacent all connects on adjacent embedded metal connecting piece 11.
Every evenly be equipped with a N embedded metal connecting piece on the aluminum plate subassembly, every electric core installation position quantity on the aluminum plate subassembly is 2(N + 1). In this embodiment, every evenly be equipped with 2 embedded metal connecting pieces on the aluminum plate subassembly, every electric core installation position quantity on the aluminum plate subassembly is 6.
Every evenly be equipped with 2 embedded metal connecting pieces 11 on the aluminum plate subassembly 1, every electric core installation position quantity on the aluminum plate subassembly 1 is 6, forms 2 parallelly connected 3 BLOCKs of establishing ties totally 6 electric cores 10.
Every aluminum plate assembly 1's preceding side surface four corners department all is equipped with the spliced pole, and back surface four corners department all is equipped with the connecting hole with the spliced pole one-to-one, and an aluminum plate assembly 1 links together through the spliced pole and another adjacent aluminum plate assembly 1's connecting hole, so, links together every aluminum plate assembly 1 of group side by side.
First connecting strip 3 and second connecting strip 4 all are located the upper surface of multiunit aluminum plate subassembly unit, just evenly be equipped with a plurality of fixed orificess 6 on the first connecting strip 3, the 6 in-connection in fixed orificess have the bolt, link together first connecting strip 3 and 5 bottoms of box through the bolt, compress tightly aluminum plate subassembly 1 in 5 bottoms of box.
Scribble heat conduction structure between aluminum plate subassembly 1 and the bottom half and glue, guarantee structural strength and heat conduction requirement.
The roof bottom both sides edge of first connecting strip 3 all evenly is equipped with a plurality of logical grooves 7, every lead to 7 inboards all to be equipped with and correspond the recess 8 that leads to groove 7 intercommunication, 4 both ends of second connecting strip are all followed both sides and are equipped with lug 9, second connecting strip 4 passes logical groove 7 and lug 9 joint is in recess 8.
The upper side of the embedded metal connecting piece 11 is of a cylinder structure, the lower side of the embedded metal connecting piece is of a cuboid structure, a plurality of connecting piece mounting blocks which are flush with the surface of the aluminum plate component 1 are uniformly arranged on the aluminum plate component 1, a cuboid mounting through groove is arranged in the middle of each connecting piece mounting block, a cylinder mounting through groove 12 communicated with the cuboid mounting through groove is arranged in one end of each connecting piece mounting block, the cylinder structure of the embedded metal connecting piece 11 is embedded in the cylinder mounting through groove 12, the outer end face of the cylinder structure is superposed with the surface of the aluminum plate component 1, voltage sampling is facilitated, the cuboid structure is embedded in the cuboid mounting through groove, the front side surface and the rear side surface of the cuboid structure are lower than the upper edge of the cuboid mounting through groove, the outer end face of the cylinder structure is a sampling connection position, the lug, this ensures a flat arrangement when a plurality of aluminium plate assemblies 1 are connected side by side.
The bus bar 2 is an aluminum bar or a copper bar.
The bottom of the box body 5 is provided with a limiting strip corresponding to the first connecting strip 3, the limiting strip is provided with a plurality of threaded limiting holes corresponding to the fixing holes 6, and the threaded limiting holes are connected with the fixing holes 6 on the first connecting strip 3 through bolts.
The outer side of the bus bar 2 is provided with an insulating cover plate together, the pole lugs are isolated from the box body 5 through the insulating cover plate, and the electric connection position and the box body 5 are guaranteed to be insulated well.
The outer end face of the upper side column structure of the embedded metal connecting piece 11 is of a welding plane structure, a bolt structure or a screw hole structure.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A power battery pack is characterized in that: including multiunit aluminum plate subassembly unit, every group aluminum plate subassembly unit is including a plurality of aluminum plate subassemblies, and is a plurality of aluminum plate subassembly links together side by side, separates for falling the first connecting strip of protruding type structure, every adjacent two between every adjacent two sets of aluminum plate subassembly units all be connected with a plurality of second connecting strips, every between the first connecting strip be equipped with a plurality of electric cores in the aluminum plate subassembly, and every the utmost point ear of two adjacent electric cores on the aluminum plate subassembly links together, and the utmost point ear of the electric core of edge links together with the utmost point ear of the electric core of adjacent aluminum plate subassembly edge, and draws forth the utmost point ear of the electric core of both sides edge.
2. The power battery pack of claim 1, wherein: aluminum plate subassembly is the I shape structure, and evenly be equipped with a plurality of embedded metal connecting pieces in the aluminum plate subassembly, it is a plurality of embedded metal connecting piece is equallyd divide equally with aluminum plate subassembly both sides around and is separated into a plurality of electric core installation positions, every all be equipped with electric core in the electric core installation position, with the utmost point ear of the adjacent electric core of embedded metal connecting piece all connects on adjacent embedded metal connecting piece.
3. The power battery pack of claim 1, wherein: every evenly be equipped with a N embedded metal connecting piece on the aluminum plate subassembly, every electric core installation position quantity on the aluminum plate subassembly is 2(N + 1).
4. The power battery pack of claim 1, wherein: every the front side surface four corners department of aluminum plate subassembly all is equipped with the spliced pole, and back surface four corners department all is equipped with the connecting hole with the spliced pole one-to-one, and an aluminum plate subassembly links together through the connecting hole of spliced pole and another adjacent aluminum plate subassembly.
5. The power battery pack of claim 1, wherein: first connecting strip and second connecting strip all are located the upper surface of multiunit aluminum plate subassembly unit, just evenly be equipped with a plurality of fixed orificess on the first connecting strip, the fixed orificess internal connection has the bolt, links together first connecting strip and bottom half through the bolt.
6. The power battery pack of claim 5, wherein: the roof bottom both sides edge of first connecting strip all evenly is equipped with a plurality of logical grooves, every it all is equipped with the recess that communicates with the corresponding logical groove to lead to the inslot side, the second connecting strip both ends are all followed both sides and are equipped with the lug, the second connecting strip passes logical groove and lug joint in the recess.
7. The power battery pack of claim 2, wherein: the embedded metal connecting piece upside is the cylinder structure, and the downside is the cuboid structure, evenly be equipped with a plurality of connecting piece installation pieces with aluminum plate assembly surface parallel and level on the aluminum plate assembly, be equipped with the logical groove of cuboid installation in the middle of the connecting piece installation piece, the inside cylinder installation that is equipped with and leads to the groove intercommunication with the cuboid installation of one end leads to the groove, the cylinder structure embedded of embedded metal connecting piece is embedded in the logical inslot of cylinder installation and outer terminal surface and aluminum plate assembly surface coincidence, and the cuboid structure embedded is led to the inslot in cuboid installation, just both sides surface all is less than the last border that the logical groove was led to in the cuboid installation around the cuboid structure, the utmost point ear of electricity.
8. The power battery pack of claim 2, wherein: the outer end face of the upper side cylinder structure of the embedded metal connecting piece is of a welding plane structure, a bolt structure or a screw hole structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020849308.4U CN212485435U (en) | 2020-05-20 | 2020-05-20 | Power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020849308.4U CN212485435U (en) | 2020-05-20 | 2020-05-20 | Power battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212485435U true CN212485435U (en) | 2021-02-05 |
Family
ID=74410299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020849308.4U Active CN212485435U (en) | 2020-05-20 | 2020-05-20 | Power battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212485435U (en) |
-
2020
- 2020-05-20 CN CN202020849308.4U patent/CN212485435U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240830 Address after: 313100 Green Intelligent Manufacturing Industrial Park, South Taihu industrial cluster, Changxing County Development Zone, Huzhou City, Zhejiang Province Patentee after: Jiewei Power (Changxing) Co.,Ltd. Country or region after: China Address before: No.11, Kaiyuan Road, automobile industrial zone, Xiqing District, Tianjin 300380 Patentee before: TIANJIN EV ENERGIES Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |