CN219832906U - Square aluminum-shell battery multilayer module - Google Patents
Square aluminum-shell battery multilayer module Download PDFInfo
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- CN219832906U CN219832906U CN202320847460.2U CN202320847460U CN219832906U CN 219832906 U CN219832906 U CN 219832906U CN 202320847460 U CN202320847460 U CN 202320847460U CN 219832906 U CN219832906 U CN 219832906U
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- battery cell
- universal
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- 238000005192 partition Methods 0.000 claims description 22
- 230000000670 limiting effect Effects 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 230000010354 integration Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 48
- 238000010079 rubber tapping Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- 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 relates to a square aluminum-shell battery multilayer module, which comprises a battery shell, wherein a battery cell group, a transverse connecting sheet, a longitudinal connecting sheet, an upper cover universal support, a lower cover universal support, a middle layer support and support columns are arranged in the battery shell, the battery cell group is provided with a plurality of battery cells, each layer is provided with a plurality of battery cells, the upper cover universal support and the lower cover universal support are arranged above the topmost battery cell group and below the bottommost battery cell group, the middle layer support is arranged between the upper layer battery cell group and the lower layer battery cell group, the support columns are arranged on two sides of each layer battery cell group, the upper cover universal support and the lower cover universal support are provided with universal hole sites corresponding to the support columns, and the middle layer support is provided with upper hole sites and lower hole sites corresponding to the support columns. The utility model stacks the modules in multiple layers through the support and the support column, and realizes the multi-layer integration of the square aluminum-shell battery module with low cost.
Description
Technical Field
The utility model relates to the technical field of square aluminum-shell batteries PACK, in particular to a square aluminum-shell battery multilayer module.
Background
With the progress of the technology, the electric vehicle is more popular, and almost every household has the electric vehicle, so people can select the electric vehicle for traveling, and the electric vehicle is an environment-friendly traveling traffic mode advocated by China. In the past, lead-acid batteries mainly adopt single-layer arrangement and arrangement, the adaptability of the lead-acid batteries to the electric vehicle is poor, and the square aluminum-shell batteries are gradually applied to the electric vehicle due to the advantages of excellent sealing reliability, high system energy efficiency, simple structure and the like. The prior square aluminum-shell battery PACK is provided with a CN201910199612.0, an upper module, a lower module and a first module switching support and a second module switching support between the upper module and the lower module are fixedly connected with a battery box through long bolt passing holes, module long bolt passing holes and long bolts to form a double-layer module, but the structure has more assembly parts, complex procedures and higher cost, and is not suitable for more than two layers of modules.
Disclosure of Invention
The utility model aims to overcome the defects and provide a square aluminum shell battery multi-layer module, wherein the modules are stacked in a multi-layer manner through a bracket and a support column, so that the multi-layer integration of the square aluminum shell battery module is realized at low cost.
The purpose of the utility model is realized in the following way:
the square aluminum shell battery multilayer module comprises a battery shell, wherein a battery cell group, a transverse connecting sheet, a longitudinal connecting sheet, an upper cover universal support, a lower cover universal support, a middle support and support columns are arranged in the battery shell, the battery cell group is provided with a plurality of battery cells, each layer is provided with a plurality of battery cells, the upper cover universal support and the lower cover universal support are arranged above the battery cell group at the topmost layer and below the battery cell group at the bottommost layer and used for supporting the battery cells at the bottommost layer and shielding the battery cells at the top, the middle support is arranged between the battery cell group at the upper layer and the lower layer, the support columns are arranged at two sides of each battery cell group, the upper cover universal support and the lower cover universal support are provided with universal hole sites corresponding to the support columns, and the middle support is provided with upper hole sites and lower hole sites corresponding to the support columns;
the upper and lower layers of the battery cell groups are connected in series and parallel through the welding of the longitudinal connecting sheets, and the same layers of battery cells are connected in series and parallel through the welding of the transverse connecting sheets.
Preferably, the upper cover and lower cover universal supports are provided with a plurality of universal battery cell slots, adjacent universal battery cell slots are blocked by the universal partition board, first empty spaces are arranged on two sides of the length direction of the universal partition board, and the first empty spaces correspond to the transverse connecting pieces.
Preferably, the bottom of the middle bracket is provided with a plurality of lower cell slots, the top of the middle bracket is provided with a plurality of upper cell slots, the lower cell slots accommodate the top of the lower cell, the upper cell slots accommodate the bottom of the upper cell, adjacent upper cell slots are separated by an upper partition, and adjacent lower cell slots are blocked by a lower partition;
two ends of the lower partition board are provided with second empty spaces which are arranged corresponding to the transverse connecting pieces,
and limiting steps are arranged around the top of the lower battery cell slot, and the limiting steps are contacted with the battery cell shoulders.
Preferably, the side surface of the upper and lower cover universal support is provided with a first connecting sheet limiting groove corresponding to the longitudinal connecting sheet, and the side surface of the middle support is provided with a second connecting sheet limiting groove corresponding to the longitudinal connecting sheet.
Preferably, a first wire slot is formed in the center of the universal partition board, and a first wire harness limiting slot is formed in the side surface of the upper and lower cover universal support, corresponding to the first wire slot;
the center of the lower partition plate is provided with a second wire slot, and the side surface of the middle bracket is provided with a second wire harness limiting slot corresponding to the second wire slot.
Preferably, the two ends of the support column are provided with buckles, and the buckles are inserted into the holes of the corresponding support to buckle and connect the upper and lower supports.
Preferably, the inner side of the battery shell is provided with a reinforcing rib, the side surface of the middle bracket is provided with a boss corresponding to the reinforcing rib, the reinforcing rib is inserted between the two bosses, and the middle bracket is limited and fixed.
Preferably, the battery case has a split structure, and the hand strap is sandwiched between the opening.
The beneficial effects of the utility model are as follows:
the electric isolation between the upper layer and the lower layer of the battery cells is realized, the battery cells can be stacked in multiple layers, the support column adopts a buckle structure, the whole module assembly operation is simple, and the assembly of the multi-layer module is realized with low cost.
Drawings
Fig. 1 is a schematic view of the assembly of the present utility model.
Fig. 2 is a schematic view of the assembled structure of the present utility model (with the side-opening housing unassembled).
Fig. 3 is a schematic structural view of the universal bracket for the upper and lower covers.
Fig. 4 is a schematic structural view of the middle bracket.
Fig. 5 is a bottom view of fig. 4.
Fig. 6 is a schematic diagram of the cooperation of the lower cell slot of the middle bracket with the cell shoulder.
Fig. 7 is a schematic structural view of a battery case.
Fig. 8 is a schematic structural view of a support column.
FIG. 9 is a schematic diagram of the assembly of the upper and lower support posts with the middle support holes.
Wherein: a battery case 1; a threaded hole site 1.1; 1.2 of reinforcing ribs; the handle slot position is 1.3; a transverse connecting piece 2; a longitudinal connecting piece 3; a universal bracket 4 for upper and lower covers; 4.1 of a general hole site; 4.2 parts of a general cell slot; universal separator 4.3; a first wire groove 4.3.1; a first connecting sheet limit groove 4.4; a first wire harness limiting groove 4.5; a middle layer bracket 5; upper hole site 5.1; a lower hole site 5.2; 5.3, lower cell slots; 5.3.1 parts of limiting steps; 5.4, a cell slot is arranged; 5.5 parts of an upper partition board; a lower partition 5.6; a second wire chase 5.6.1; a second connecting sheet limit groove 5.7; a second wire harness limiting groove 5.8; 5.9 parts of bosses; a support column 6; a battery cell 7; and a carrying strap 8.
Description of the embodiments
Referring to fig. 1-9, the utility model relates to a square aluminum-shell battery multi-layer module, which comprises a battery shell 1, wherein a battery cell group, a transverse connection sheet 2, a longitudinal connection sheet 3, an upper and a lower cover universal supports 4, a middle support 5 and support columns 6 are arranged in the battery shell 1, the battery cell group is provided with a plurality of battery cells 7 in each layer, the upper and the lower cover universal supports 4 are arranged above the topmost battery cell group and below the bottommost battery cell group and are used for supporting the bottommost battery cell and shielding the top battery cell, the middle support 5 is arranged between the upper and the lower battery cell groups, the upper and the lower battery cell groups are connected in series and parallel through the longitudinal connection sheet 3, the upper and the lower battery cells are connected in series and parallel through the transverse connection sheet 2, the two sides of each battery cell group are provided with support columns 6, the upper and the lower cover universal supports 4 are provided with universal hole sites 4.1 corresponding to the support columns 6, the middle support columns 5.1 and the lower hole sites 5.2 are provided with upper and lower hole sites 5.1 and lower hole sites 5.2 which are conducted mutually.
The upper cover and lower cover universal support 4 is provided with a plurality of universal battery cell slots 4.2, adjacent universal battery cell slots 4.2 are blocked by a universal partition board 4.3, first clearance is arranged on two sides of the length direction of the universal partition board 4.3, a first wire slot 4.3.1 is arranged in the center of the universal partition board, the first clearance corresponds to the transverse connecting piece 2, welding of corresponding poles of the battery cell groups on the same layer is facilitated, the first clearance is close to the end part of the universal partition board 4.3, and the universal partition board 4.3 is divided into three sections by the first clearance, so that gaps and insulation between adjacent battery cells are ensured. The side of the upper and lower cover general support 4 is provided with a first connecting sheet limiting groove 4.4 corresponding to the longitudinal connecting sheet 3, so that welding of the upper and lower layer battery cell groups corresponding to the pole posts is facilitated, and the side of the upper and lower cover general support 4 is provided with a first wire harness limiting groove 4.5 corresponding to the first wire groove 4.3.1.
The bottom of the middle layer bracket 5 is provided with a plurality of lower cell slots 5.3, the top of the middle layer bracket is provided with a plurality of upper cell slots 5.4, the lower cell slots 5.3 accommodate the top of the lower cell, the upper cell slots 5.4 accommodate the bottom of the upper cell, the upper cell is positioned and arranged, and a partition is arranged between the upper cell slots 5.4 and the lower cell slots 5.3 to ensure the electrical isolation between the upper layer and the lower layer; adjacent upper cell slot 5.4 is separated by last baffle 5.5, and adjacent lower cell slot 5.3 is separated through baffle 5.6 down, is equipped with the second clearance at baffle 5.6 both ends down, and the center is equipped with second wire casing 5.6.1, and first wire casing 4.3.1 and second wire casing 5.6.1 supply the module pencil to walk the line, and the second clearance corresponds transverse connection piece 2 setting, is convenient for with the welding that the battery cell group corresponds the utmost point post of layer, the middle level support 5 side corresponds longitudinal connection piece 3 and is equipped with second connection piece spacing groove 5.7, and the welding that the battery cell group corresponds the utmost point post of upper and lower floor of being convenient for, middle level support 5 side corresponds second wire casing 5.6.1 and is equipped with second pencil spacing groove 5.8.
Limiting steps 5.3.1 are arranged around the top of the lower cell slot 5.3, the limiting steps 5.3.1 are in shoulder contact with the cell 7, the shoulder of the cell 7 is used for supporting the upper layer weight, and the influence on the reliability of the cell due to the fact that the weight of the upper layer cell is pressed on a cell pole is avoided.
The two ends of the support column 6 are provided with buckles, and the buckles are inserted into holes of corresponding supports to buckle and connect the supports on the upper layer and the lower layer. The support column 6 is provided with round corners at the head and the tail, so that the support column is convenient to extrude into the hole site of the support during assembly, and then is buckled and sprung out to be locked with the step inside the hole site of the support column, thereby connecting the support at the upper layer and the lower layer.
The battery case 1 is of a split structure, the hand strap 8 is clamped at the opening, the periphery of the battery case 1 is locked by self-tapping screws, a plurality of threaded hole sites 1.1 are arranged on the periphery of the battery case, and the battery case is locked by the self-tapping screws. The inside of the battery shell 1 is provided with a reinforcing rib 1.2, the side surface of the middle layer support 5 is provided with a boss 5.9 corresponding to the reinforcing rib 1.2, the reinforcing rib 1.2 is inserted between the two bosses 5.9, and the middle layer support 5 is limited and fixed so as to ensure the whole stability.
The upper cover and lower cover universal support 4, the middle layer support 5, the support column 6 and the battery shell 1 all adopt flame-retardant ABS injection molding structures, and the price is low.
The assembly method of the square aluminum shell battery multilayer module comprises the following steps:
step one, the bottommost battery cell is placed in a general battery cell position 4.2 of an upper cover bracket 4 and a lower cover bracket 4,
secondly, welding positive and negative poles at the top of the battery cell 7 with the transverse connecting piece 2 to realize serial-parallel connection between the same layers, welding the positive and negative poles with the longitudinal connecting piece 3 to realize serial-parallel connection between the upper layer and the lower layer, and inserting support columns 6 into universal hole sites 4.1 at two sides of the universal support 4 of the upper cover and the lower cover after the connecting piece is welded;
step three, covering the middle layer bracket 5, wherein the step 5.3.1 of the lower cell slot position 5.3 of the middle layer bracket 5 is contacted with the shoulder of the cell 7, the top of the support column 6 is inserted into the lower hole position 5.2 of the middle layer bracket 5, and a layer of cell 7 is placed in the upper cell slot position 5.4 of the middle layer bracket 5;
fourthly, the positive and negative electrode columns at the top of the battery cell 7 are welded with the transverse connecting sheet 2 to realize the serial-parallel connection between the same layers, and are welded with the longitudinal connecting sheet 3 to realize the serial-parallel connection between the upper layer and the lower layer, and after the connecting sheet is welded, the support columns 6 are inserted into the hole sites 5.1 on the two sides of the middle layer bracket 5;
step five, repeating the step three and the step four according to the requirement;
step six, covering the upper and lower cover brackets 4 positioned at the top, and inserting the top of the support column 6 into the universal hole sites 4.1 of the upper and lower cover brackets 4;
step seven, the assembled battery cell module is arranged in the battery shell 1, the battery shell 1 is of a side-opening structure, and the reinforcing ribs 1.2 on the inner side of the battery shell 1 are assembled in the middle of the boss 5.9 of the middle-layer bracket 5 so as to achieve the limiting effect; the side of the shell is provided with a handle slot position 1.3, two ends of the hand strap 8 are inserted into the handle slot position, the shells on two sides are buckled, and the periphery of the shell is provided with a plurality of threaded hole positions 1.1 which are locked by self-tapping screws.
In addition to the above embodiments, the present utility model also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present utility model.
Claims (8)
1. A square aluminum shell battery multilayer module is characterized in that: the battery comprises a battery shell, wherein a battery cell group, a transverse connecting sheet, a longitudinal connecting sheet, an upper cover universal support, a lower cover universal support, a middle cover universal support and support columns are arranged in the battery shell, the battery cell group is provided with multiple layers, each layer is provided with multiple battery cells, the upper cover universal support and the lower cover universal support are arranged above the topmost battery cell group and below the bottommost battery cell group and used for supporting the bottommost battery cells and shielding the top battery cells, the middle cover universal support is arranged between the upper layer battery cell group and the lower layer battery cell group, the two sides of each layer of battery cell group are provided with the support columns, the upper cover universal support and the lower cover universal support are provided with universal hole sites corresponding to the support columns, and the middle cover universal support is provided with upper hole sites and lower hole sites corresponding to the support columns;
the upper and lower layers of the battery cell groups are connected in series and parallel through the welding of the longitudinal connecting sheets, and the same layers of battery cells are connected in series and parallel through the welding of the transverse connecting sheets.
2. The square aluminum-shell battery multi-layer module according to claim 1, wherein: the upper cover and lower cover universal support is provided with a plurality of universal battery cell slots, adjacent universal battery cell slots are blocked by the universal partition board, first clearance is arranged on two sides of the length direction of the universal partition board, and the first clearance corresponds to the transverse connection piece.
3. The square aluminum-shell battery multi-layer module according to claim 2, wherein: the bottom of the middle layer bracket is provided with a plurality of lower cell slots, the top of the middle layer bracket is provided with a plurality of upper cell slots, the lower cell slots accommodate the top of a lower cell, the upper cell slots accommodate the bottom of an upper cell, adjacent upper cell slots are separated by an upper partition, and adjacent lower cell slots are blocked by a lower partition;
two ends of the lower partition board are provided with second empty spaces which are arranged corresponding to the transverse connecting pieces,
and limiting steps are arranged around the top of the lower battery cell slot, and the limiting steps are contacted with the battery cell shoulders.
4. A square aluminum battery multi-layer module according to claim 3, wherein: the side surface of the upper and lower cover universal support is provided with a first connecting sheet limiting groove corresponding to the longitudinal connecting sheet, and the side surface of the middle support is provided with a second connecting sheet limiting groove corresponding to the longitudinal connecting sheet.
5. A square aluminum battery multi-layer module according to claim 3, wherein: the center of the general partition board is provided with a first wire slot, and the side surface of the upper and lower cover general support is provided with a first wire harness limiting slot corresponding to the first wire slot;
the center of the lower partition plate is provided with a second wire slot, and the side surface of the middle bracket is provided with a second wire harness limiting slot corresponding to the second wire slot.
6. The square aluminum-shell battery multi-layer module according to claim 1, wherein: the two ends of the support column are provided with buckles, and the buckles are inserted into the holes of the corresponding supports to be buckled, so that the supports on the upper layer and the lower layer are connected.
7. The square aluminum-shell battery multi-layer module according to claim 1, wherein: the battery case is characterized in that a reinforcing rib is arranged on the inner side of the battery case, a boss is arranged on the side face of the middle-layer bracket corresponding to the reinforcing rib, the reinforcing rib is inserted between the two bosses, and the middle-layer bracket is limited and fixed.
8. The square aluminum battery multi-layer module according to claim 1 or 7, wherein: the battery shell is of a split structure, and the hand strap is clamped at the opening part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320847460.2U CN219832906U (en) | 2023-04-17 | 2023-04-17 | Square aluminum-shell battery multilayer module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320847460.2U CN219832906U (en) | 2023-04-17 | 2023-04-17 | Square aluminum-shell battery multilayer module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219832906U true CN219832906U (en) | 2023-10-13 |
Family
ID=88275544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320847460.2U Active CN219832906U (en) | 2023-04-17 | 2023-04-17 | Square aluminum-shell battery multilayer module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219832906U (en) |
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2023
- 2023-04-17 CN CN202320847460.2U patent/CN219832906U/en active Active
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