CN219626794U - Combined cylindrical battery - Google Patents
Combined cylindrical battery Download PDFInfo
- Publication number
- CN219626794U CN219626794U CN202320258252.9U CN202320258252U CN219626794U CN 219626794 U CN219626794 U CN 219626794U CN 202320258252 U CN202320258252 U CN 202320258252U CN 219626794 U CN219626794 U CN 219626794U
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- China
- Prior art keywords
- bus bar
- busbar
- battery cell
- cylindrical battery
- 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
- 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a combined cylindrical battery, which comprises an insulating gasket, an anode busbar, a fixing seat, a cathode busbar, a battery cell support, a cylindrical battery cell and a protection plate, wherein a battery mechanism comprises the battery cell support and the cylindrical battery cell, a plurality of cylindrical battery cells are arranged between the two battery cell supports, and a plurality of battery mechanisms are stacked; the insulating gasket is used for insulating the positive bus bar and the negative bus bar, the positive bus bar, the negative bus bar and the insulating gasket are provided with round holes, spot welding can be conducted on the negative electrode by means of the positive bus bar conveniently, the positive electrode and the negative electrode can be simultaneously spot welded at one time, production efficiency is greatly improved, poor assembly production is reduced, positive electrode wires and negative electrode wires are saved, combination is perfectly carried out, the structure is reliable, the appearance is attractive, the cylindrical battery cell is matched with the battery cell support up and down to play an insulating and heat radiating role, and a gap is reserved between the cylindrical battery cells to provide assistance for reserving a heating function.
Description
Technical Field
The utility model relates to the technical field of lithium battery assembly, in particular to a combined cylindrical battery.
Background
The lithium battery is widely applied to a plurality of downstream fields such as mobile phones, notebook computers, electric bicycles, electric automobiles, electric tools, digital cameras and the like, and can be classified into three main types: energy storage, consumption and power lithium battery. Along with the expansion of the new energy automobile scale in China, the demand ratio of the electric automobile in China to the lithium ion battery is expected to be further improved.
The existing lithium battery combined structure has low positive and negative pole welding efficiency, needs a large amount of positive and negative pole wires, has a general overall structure attractive appearance, and is not suitable for assembly production of assembly lines.
Disclosure of Invention
The utility model solves the problems that the combined cylindrical battery solves the technical problems that the existing lithium battery combined structure is low in positive and negative pole welding efficiency, a large number of positive and negative pole wires are required to be used, the overall structure is attractive, the appearance is general, and the combined cylindrical battery is not suitable for assembly production of a production line.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a modular cylinder battery, includes insulating gasket, anodal busbar, fixing base, negative pole busbar, electric core support, cylinder electricity core and protection shield, battery mechanism includes electric core support and cylinder electricity core, two install a plurality of cylinder electricity core between the electric core support, a plurality of battery mechanism stacks and places, and is fixed through the fixing base joint, the protection shield is installed to the fixing base lateral wall, the protection shield is connected with anodal busbar and negative pole busbar, and anodal busbar and negative pole busbar are all installed at battery mechanism top side, install insulating gasket between anodal busbar and the negative pole busbar.
Preferably, the insulating gasket is provided with a protruding structure, and the protruding structure is matched with the battery cell bracket for use.
Preferably, the battery cell support is provided with a bump, and the fixing seat is clamped with the bump through a clamping groove.
Preferably, the insulating gasket, the positive electrode busbar and the negative electrode busbar are provided with corresponding circular holes for spot welding.
Preferably, the fixing seat and the protection plate are connected through bolts, and the positive electrode bus bar, the negative electrode bus bar and the protection plate are connected through riveting.
The beneficial effects of the utility model are as follows: the insulating gasket is used for insulating the positive bus bar and the negative bus bar, the positive bus bar, the negative bus bar and the insulating gasket are provided with round holes, spot welding can be conducted on the negative electrode by means of the positive bus bar conveniently, the positive electrode and the negative electrode can be simultaneously spot welded at one time, production efficiency is greatly improved, poor assembly production is reduced, positive electrode wires and negative electrode wires are saved, combination is perfectly carried out, the structure is reliable, the appearance is attractive, the cylindrical battery cell is matched with the battery cell support up and down to play an insulating and heat radiating role, and a gap is reserved between the cylindrical battery cells to provide assistance for reserving a heating function.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a schematic view of an insulating spacer according to the present utility model;
FIG. 4 is a schematic view of a positive bus structure according to the present utility model;
FIG. 5 is a schematic view of a fixing base according to the present utility model;
FIG. 6 is a schematic view of a negative bus bar structure according to the present utility model;
fig. 7 is a schematic diagram of the structure of the cell holder of the present utility model.
Legend description:
1. an insulating spacer; 2. a positive bus bar; 3. a fixing seat; 4. a negative electrode bus bar; 5. a cell holder; 6. a cylindrical cell; 7. and a protective plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Specific examples are given below.
Referring to fig. 1-7, a combined cylindrical battery comprises an insulating gasket 1, a positive bus bar 2, a fixing seat 3, a negative bus bar 4, a battery cell support 5, a cylindrical battery cell 6 and a protection plate 7, wherein battery mechanisms comprise the battery cell support 5 and the cylindrical battery cell 6, a plurality of cylindrical battery cells 6 are installed between the two battery cell supports 5, a plurality of battery mechanisms are stacked and placed, the protection plate 7 is installed on the side wall of the fixing seat 3 through the fixing seat 3 in a clamping and fixing manner, the protection plate 7 is connected with the positive bus bar 2 and the negative bus bar 4, the positive bus bar 2 and the negative bus bar 4 are both installed on the top sides of the battery mechanisms, the insulating gasket 1 is installed between the positive bus bar 2 and the negative bus bar 4, a bulge structure is arranged on the insulating gasket 1, and the bulge structure is matched with the battery cell support 5;
the battery cell bracket 5 is provided with a bump, and the fixing seat 3 is clamped with the bump through a clamping groove, so that the fixing seat 3 and the battery cell bracket 5 are clamped and fixed conveniently;
the insulating gasket 1, the positive electrode busbar 2 and the negative electrode busbar 4 are provided with corresponding circular holes for spot welding, so that spot welding can be conveniently carried out, the negative electrode can be conveniently carried out through the positive electrode busbar 2 for spot welding, and the positive electrode and the negative electrode can be simultaneously spot welded at one time;
the fixing seat 3 and the protection plate 7 are connected through bolts, and the positive electrode bus bar 2, the negative electrode bus bar 4 and the protection plate 7 are connected through riveting, so that connection and installation between components are realized.
The positive electrode bus bar 2 and the negative electrode bus bar 4 are of copper-nickel composite structures, atomic layers of the positive electrode bus bar 2 and the negative electrode bus bar 4 are combined by a laser welding process, copper pieces are subjected to nickel plating treatment to prevent corrosion and rust, the positive electrode bus bar 2 and the negative electrode bus bar 4 connect a cylindrical battery cell 6 to a battery cell support 5, a fixing seat 3 is clamped to a bump of the battery cell support 5, the positive electrode bus bar 2 and the negative electrode bus bar 4 are in a buckling butt joint mode with the bump, an insulating gasket 1 is arranged between the positive electrode bus bar 2 and the negative electrode bus bar 4, the insulating gasket 1 is provided with a protruding structure and is clamped into a round hole of the battery cell support 5, and the insulating gasket is similar to a mortise-tenon structure, so that the insulating effect is realized
The insulating gasket 1 is used for insulating the positive electrode bus bar 2 and the negative electrode bus bar 4, and circular holes are formed in the positive electrode bus bar 2, the negative electrode bus bar 4 and the insulating gasket 1, so that spot welding can be conducted on the positive electrode bus bar 2, the positive electrode and the negative electrode can be simultaneously spot welded once, the cylindrical battery cell 6 is matched up and down by using the battery cell support 5 to play an insulating and heat radiating role, and meanwhile, gaps are reserved between the cylindrical battery cells 6 to provide assistance for a reserved heating function.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. The utility model provides a combination formula cylinder battery, its characterized in that includes insulating gasket (1), anodal busbar (2), fixing base (3), negative pole busbar (4), electric core support (5), cylinder electric core (6) and protection shield (7), battery mechanism includes electric core support (5) and cylinder electric core (6), two install a plurality of cylinder electric core (6) between electric core support (5), a plurality of battery mechanism stacks and places, and is fixed through fixing base (3) joint, protection shield (7) are installed to fixing base (3) lateral wall, protection shield (7) are connected with anodal busbar (2) and negative pole busbar (4), and anodal busbar (2) and negative pole busbar (4) are all installed at battery mechanism top side, install insulating gasket (1) between anodal busbar (2) and negative pole busbar (4);
the insulating gasket (1), the positive electrode busbar (2) and the negative electrode busbar (4) are provided with corresponding circular holes for spot welding.
2. A combined cylindrical battery according to claim 1, characterized in that the insulating spacer (1) is provided with a protruding structure, and the protruding structure is used in cooperation with the cell holder (5).
3. The combined cylindrical battery according to claim 1, wherein the battery cell bracket (5) is provided with a bump, and the fixing seat (3) is clamped with the bump through a clamping groove.
4. A combined cylindrical battery according to claim 1, characterized in that the fixing seat (3) and the protection plate (7) are connected by bolts, and the positive electrode bus bar (2) and the negative electrode bus bar (4) are connected with the protection plate (7) by riveting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320258252.9U CN219626794U (en) | 2023-02-20 | 2023-02-20 | Combined cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320258252.9U CN219626794U (en) | 2023-02-20 | 2023-02-20 | Combined cylindrical battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219626794U true CN219626794U (en) | 2023-09-01 |
Family
ID=87793923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320258252.9U Active CN219626794U (en) | 2023-02-20 | 2023-02-20 | Combined cylindrical battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219626794U (en) |
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2023
- 2023-02-20 CN CN202320258252.9U patent/CN219626794U/en active Active
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