CN220963578U - Echelon cell connection structure of echelon lithium battery - Google Patents
Echelon cell connection structure of echelon lithium battery Download PDFInfo
- Publication number
- CN220963578U CN220963578U CN202322435307.1U CN202322435307U CN220963578U CN 220963578 U CN220963578 U CN 220963578U CN 202322435307 U CN202322435307 U CN 202322435307U CN 220963578 U CN220963578 U CN 220963578U
- Authority
- CN
- China
- Prior art keywords
- battery cell
- panel
- side plate
- connection structure
- echelon
- Prior art date
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Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 210000004027 cell Anatomy 0.000 claims abstract description 47
- 210000005056 cell body Anatomy 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 150000002641 lithium Chemical class 0.000 claims 7
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical field of lithium battery recycling, in particular to a echelon cell connection structure of a echelon lithium battery, which comprises a box body and a combined cell arranged in the box body; the box body comprises a closed side plate, a hollowed side plate and a panel, wherein the closed side plate, the hollowed side plate and the panel are spliced into a square frame structure; the combined battery cell comprises a battery cell body, a plurality of sleeve members which are buckled at the end parts of the battery cell body, wherein a plurality of protrusions and grooves which are arranged at the edges of the sleeve members are buckled with each other, electrode contact at the end parts of the battery cell body is provided with metal sheets which are uniformly distributed at the lower side of the panel, a PCB board is embedded in the panel, the PCB board is connected with a wiring terminal, and the wiring terminal is fixed at the upper side of the panel which is positioned at the upper part. The utility model is used for protecting the combined battery core on one hand and for intensively connecting the combined battery core on the other hand by arranging the box body structure, and realizes the purposes of quick installation and protection of the echelon battery core connecting structure by a simple combined structure.
Description
Technical Field
The utility model relates to the technical field of lithium battery recycling, in particular to a echelon cell connection structure of a echelon lithium battery.
Background
Aiming at retired power batteries, the current treatment methods mainly comprise two types: one is directly used as industrial waste, does not consume and disassemble, refines raw materials in the waste, and realizes recycling of the raw materials; the other is to use the material in other fields as a carrier of electric energy, thereby fully exerting the residual value. The retired battery cells have differences, especially uniformity, sometimes have nonlinear energy attenuation and cliff shape, and have echelon shape, the battery cells are combined for use, and the worst battery determines the performance of the energy storage system of the combined battery cell.
The echelon battery core of the prior echelon lithium battery is mainly assembled into a whole through the mounting sleeve, so that the stability is poor, and meanwhile, the wiring is inconvenient. Therefore, the utility model provides a echelon cell connection structure of the echelon lithium battery, so as to improve the problems.
Disclosure of utility model
The utility model aims to provide a echelon cell connection structure of an echelon lithium battery, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a echelon cell connection structure of an echelon lithium battery comprises a box body and a combined cell arranged in the box body; the box body comprises a closed side plate, a hollowed side plate and a panel, wherein the closed side plate, the hollowed side plate and the panel are spliced into a square frame structure;
The combined battery cell comprises a battery cell body, a plurality of sleeve members which are buckled at the end part of the battery cell body, a plurality of protrusions and grooves which are arranged at the edge of the sleeve members are buckled with each other, electrode contact at the end part of the battery cell body is provided with metal sheets which are uniformly distributed at the lower side of the panel, a PCB (printed Circuit Board) is embedded in the panel, the PCB is connected with a wiring terminal, and the wiring terminal is fixed at the upper side of the panel which is positioned at the upper part.
Preferably, the panel is fixed to the ends of the closed side plate and the hollow side plate through a connecting piece, and the extending edge of the connecting piece is fixed to the edges of the closed side plate, the hollow side plate and the panel through screws.
Preferably, the closed side plate, the hollow side plate and the panel are symmetrically provided with two blocks, and the edges of the closed side plate, the hollow side plate and the panel are mutually attached.
Preferably, the hollowed-out side plates are provided with strip grooves for heat dissipation of the combined battery cells in a linear array.
Preferably, the sleeve is made of resin, and the sleeve is of a unitary structure.
Preferably, the corner of external member is integrative to be provided with the stopper, the stopper with the inboard conflict of panel.
Preferably, the terminal head is of a nut combination structure.
Preferably, the plurality of battery cell bodies are ladder-shaped batteries with low battery capacity.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, through the arrangement of the box body structure, the combined battery cell is protected on one hand, and the centralized wiring of the combined battery cells is realized on the other hand, and the rapid installation and protection purposes of the echelon battery cell connection structure are realized by a simple combined structure;
When the battery cell connecting structure is used, firstly, the end part of a battery cell body is arranged in a concave part of a sleeve member, and then, a plurality of battery cell bodies are assembled into a whole through the sleeve member according to the electrode direction of the battery cell bodies; the box body structure is formed by parallel arrangement of two closed side plates, a hollowed-out side plate and a panel, is arranged outside the battery cell component, the terminal is connected with external wiring, and a closed charge-discharge loop is formed under the action of the built-in PCB board, the metal sheet and the electrodes of the battery cell body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram illustrating the overall structure of the present utility model;
fig. 3 is a schematic diagram of a combined cell structure according to the present utility model.
In the figure: 1. closing the side plates; 2. hollowed-out side plates; 3. a panel; 4. a connecting piece; 5. a terminal block; 6. a kit; 7. a cell body; 8. a limiting block; 9. a metal sheet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-3, there is shown: the embodiment is a preferred implementation manner in the technical scheme, and the echelon cell connection structure of the echelon lithium battery comprises a box body and a combined cell arranged in the box body; the box body comprises a closed side plate 1, a hollowed side plate 2 and a panel 3, wherein the closed side plate 1, the hollowed side plate 2 and the panel 3 are spliced into a square frame structure;
The combined battery cell comprises a battery cell body 7, a sleeve member 6 buckled and arranged at the end part of the battery cell body 7, a plurality of bulges and grooves arranged at the edge of the sleeve member 6 are buckled with each other, metal sheets 9 are arranged at the end part of the battery cell body 7 in an electrode contact manner, the metal sheets 9 are uniformly distributed at the lower side of the panel 3, a PCB (printed circuit board) is embedded in the panel 3, the PCB is connected with a wiring terminal 5, and the wiring terminal 5 is fixed at the upper side of the panel 3 positioned at the upper part;
It should be noted that, the plurality of battery core bodies 7 are gradient batteries with low battery capacity, wherein the gradient batteries are batteries used for standby power supply and energy storage of the communication base station after the capacity of the lithium iron phosphate power lithium battery for the vehicle is attenuated to below 80%. Along with the continuous decrease of the cost of the lithium ion battery, the battery with higher energy density and longer service life is becoming more competitive, and the battery can replace lead-acid batteries in part of application scenes;
In the application, a plurality of electric core bodies 7 are combined to form a combined electric core, the electric core bodies 7 are assembled with each other mainly through the mutual assembly of the sleeve member 6, and when the electric core is particularly used, firstly, the end parts of the electric core bodies 7 are arranged in the concave parts of the sleeve member 6, and then, according to the electrode direction of the electric core bodies 7, a plurality of electric core bodies 7 are assembled into a whole through the sleeve member 6;
After the assembly of the combined battery cell is completed, a box structure is additionally arranged outside the combined battery cell, and the box structure is used for protecting the combined battery cell on one hand and for centralized wiring of the combined battery cell on the other hand.
As shown in fig. 1, the panel 3 is fixed to the ends of the closed side plate 1 and the hollow side plate 2 through a connecting piece 4, and the extending edge of the connecting piece 4 is fixed to the edges of the closed side plate 1, the hollow side plate 2 and the panel 3 through screws;
the wiring terminal 5 is of a nut combination structure;
It should be noted that, under the fixing action of the connecting piece 4, the box structure formed by the closed side plate 1, the hollow side plate 2 and the panel 3 keeps fixed and cannot be loosened; the two terminal heads 5 are respectively used for connecting the positive electrode and the negative electrode of the combined battery cell, and the screw cap is used for compressing the wires, so that the wire-stripping phenomenon is avoided.
As shown in fig. 2, two sealing side plates 1, two hollow side plates 2 and two panels 3 are symmetrically arranged, and the edges of the sealing side plates 1, the hollow side plates 2 and the panels 3 are mutually attached;
the hollow side plates 2 are provided with strip grooves for heat dissipation of the combined battery cells in a linear array;
It should be noted that, by two seal curb plate 1, fretwork curb plate 2 and panel 3 parallel arrangement, the assembly forms this box structure, seal the mutual laminating design of curb plate 1, fretwork curb plate 2 and panel 3 limit portion for above-mentioned integrated configuration is difficult for scattering, each face is the interaction, wherein, seal the side of curb plate 1, fretwork curb plate 2 is located the side of this box, and panel 3 is located the terminal surface of this box, the heat that the built-in combination battery cell of box produced in the charge and discharge process realizes quick heat dissipation through the heat conduction of bar groove.
As shown in fig. 3, a limiting block 8 is integrally arranged at the corner of the sleeve 6, and the limiting block 8 is abutted against the inner side of the panel 3;
It should be noted that, the external member 6 is preferably made of resin, and the external member 6 is an integral structure, the external member 6 is formed by injection molding through integral molding, the hardness is higher, and the insulation performance is good, so that the external member 6 can well realize limiting the end part of the battery core body 7, and the structural design of the external member 6 is matched with the battery core body 7 of a corresponding model for limiting the end part of the external member 6, and connecting the end part of the battery core body 7 with the metal sheet 9, and the limiting block 8 structure arranged at the corner of the external member 6 is used for limiting the support of the panel 3, so that the panel 3 is prevented from being transmitted to the electrode part of the battery core body 7 by the larger pressing force through the metal sheet 9 during installation, and the electrode of the battery core body 7, the metal sheet 9 and the PCB embedded in the panel 3 are damaged due to interaction.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. A echelon cell connection structure of an echelon lithium battery comprises a box body and a combined cell arranged in the box body; the method is characterized in that: the box body comprises a closed side plate (1), a hollowed side plate (2) and a panel (3), wherein the closed side plate (1), the hollowed side plate (2) and the panel (3) are spliced into a square frame structure;
The combined battery cell comprises a battery cell body (7), a plurality of sleeve members (6) which are arranged at the end parts of the battery cell body (7), and a plurality of mutual buckles between bulges and grooves which are arranged at the edges of the sleeve members (6), wherein metal sheets (9) are arranged at the end parts of the battery cell body (7) in an electrode contact mode, the metal sheets (9) are uniformly distributed on the lower side of the panel (3), a PCB (printed circuit board) is embedded in the panel (3), the PCB is connected with a wiring end (5), and the wiring end (5) is fixed on the upper side of the panel (3) which is positioned on the upper portion.
2. The battery cell connection structure of a lithium battery cell of claim 1, wherein: the panel (3) is fixed to the ends of the closed side plate (1) and the hollow side plate (2) through connecting pieces (4), and the extending edges of the connecting pieces (4) are fixed to the edges of the closed side plate (1), the hollow side plate (2) and the panel (3) through screws.
3. The battery cell connection structure of a lithium battery cell of claim 1, wherein: the sealing side plate (1), the hollowed side plate (2) and the panel (3) are symmetrically provided with two blocks, and the edges of the sealing side plate (1), the hollowed side plate (2) and the panel (3) are mutually attached.
4. The battery cell connection structure of a lithium battery cell of claim 1, wherein: the hollowed-out side plates (2) are provided with strip grooves for heat dissipation of the combined battery cells in a linear array.
5. The battery cell connection structure of a lithium battery cell of claim 1, wherein: the sleeve (6) is preferably made of resin, and the sleeve (6) is of an integral structure.
6. The battery cell connection structure of a lithium battery cell of claim 1, wherein: a limiting block (8) is integrally arranged at the corner of the sleeve (6), and the limiting block (8) is abutted to the inner side of the panel (3).
7. The battery cell connection structure of a lithium battery cell of claim 1, wherein: the wiring terminal (5) is of a nut combination structure.
8. The battery cell connection structure of a lithium battery cell of claim 1, wherein: the plurality of battery cell bodies (7) are ladder batteries with low battery capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322435307.1U CN220963578U (en) | 2023-09-08 | 2023-09-08 | Echelon cell connection structure of echelon lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322435307.1U CN220963578U (en) | 2023-09-08 | 2023-09-08 | Echelon cell connection structure of echelon lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220963578U true CN220963578U (en) | 2024-05-14 |
Family
ID=91006155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322435307.1U Active CN220963578U (en) | 2023-09-08 | 2023-09-08 | Echelon cell connection structure of echelon lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220963578U (en) |
-
2023
- 2023-09-08 CN CN202322435307.1U patent/CN220963578U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |