CN210429951U - Battery tab with anti-seismic function - Google Patents
Battery tab with anti-seismic function Download PDFInfo
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- CN210429951U CN210429951U CN201921572077.0U CN201921572077U CN210429951U CN 210429951 U CN210429951 U CN 210429951U CN 201921572077 U CN201921572077 U CN 201921572077U CN 210429951 U CN210429951 U CN 210429951U
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- connecting portion
- bms
- electric core
- battery
- battery tab
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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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Abstract
The utility model discloses a battery tab with antidetonation function, including utmost point ear body, utmost point ear body include with the electric core connecting portion of electric core looks adaptation and with the BMS connecting portion of BMS looks adaptation, be equipped with a plurality of welding holes corresponding with electric core in the electric core connecting portion, and be equipped with the portion of bending between electric core connecting portion and BMS connecting portion. The utility model provides a battery tab can be directly with electric core and BMS welded fastening, need not the electronic wire connection, has avoided walking the problem of indiscriminate and rosin joint of line, and when electric motor car automobile body vibrates, the portion of bending can cushion the shock between battery tab and the BMS, plays shock attenuation, antidetonation effect, can effectively avoid battery tab phenomenon of rupture.
Description
Technical Field
The utility model belongs to the technical field of electric motor car battery, specifically say so, relate to a battery tab with antidetonation function.
Background
With the increasing importance of the current society on the environmental protection and energy conservation issues, the electric vehicle plays an increasingly important role in public travel as a green energy-saving and emission-reduction vehicle.
The battery is the important component of electric motor car, and in order to satisfy the use of electric motor car, present electric motor car battery is the form that adopts the battery module usually, including a plurality of groups electrical core, battery tab and BMS (battery management system, battery protection shield) that connect in series-parallel, during the equipment, battery tab links to each other with electrical core and BMS respectively, carries out input and output through battery tab with the electric power of battery, manages battery charge-discharge through BMS to guarantee the normal use of battery.
The current connection mode between battery tab and BMS in electric vehicle battery mainly is following two kinds: one is that the battery tabs are connected with the BMS through electronic wires, and the electronic wires are increased when the number of battery strings is increased, so that wiring is messy, and the problem of insufficient welding exists between the battery tabs and the electronic wires, so that battery failure and even safety accidents can occur; the other type is that, directly carry out laser welding between battery tab and the BMS, this kind of connected mode is the rigid connection, though can avoid walking the problem in disorder, but when electric motor car automobile body vibrations, battery tab is easy fracture, leads to whole group battery to become invalid, takes place the incident even.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that prior art exists, the utility model aims at providing a battery utmost point ear with antidetonation function to satisfy the operation requirement of electric motor car.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a battery tab with antidetonation function, includes utmost point ear body, utmost point ear body include with the electric core connecting portion of electric core looks adaptation and with the BMS connecting portion of BMS looks adaptation, be equipped with a plurality of welding holes corresponding with electric core in the electric core connecting portion, and be equipped with the portion of bending between electric core connecting portion and BMS connecting portion.
In one embodiment, the bent portion is U-shaped.
One embodiment, the BMS connecting part is L-shaped, and one side of the bending part close to the BMS connecting part and the BMS connecting part form a clamping groove matched with the BMS.
According to the preferred scheme, the connection part of the bending part and the connection part of the battery cell connection part and the connection part of the BMS connection part are round corners.
In one embodiment, the cell connecting portion is provided with a plurality of avoiding holes.
In a preferred embodiment, the welding hole is an elongated rectangular hole.
An embodiment, electricity core connecting portion, BMS connecting portion, the design of portion formula as an organic whole of bending.
In a preferred scheme, the battery tab is made of nickel metal.
Compared with the prior art, the utility model has the advantages of:
the utility model provides a battery tab for when electric motor car battery is last, can directly pass through electric connection portion and BMS connecting portion respectively with electric core and BMS welded fastening, need not the electronic wire connection, the problem of having avoided walking the line in disorder and rosin joint, and when electric motor car automobile body vibrates, the portion of bending that sets up between electric core connecting portion and BMS connecting portion can cushion the shock between battery tab and the BMS, play the shock attenuation, the antidetonation effect, can effectively avoid battery tab rupture phenomenon, moreover, the steam generator is simple in structure, therefore, the carrier wave prepaid electric energy meter is low in cost, and the steam generator is convenient to install, suitable industrial production, and has obvious practical value.
Drawings
Fig. 1 is a schematic structural view of a battery tab provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of connection between a battery tab and a battery cell and a BMS provided in an embodiment of the present invention;
fig. 3 is a schematic view of a battery tab provided in an embodiment of the present invention for a battery of an electric vehicle;
FIG. 4 is a schematic view of the battery holder used in FIG. 3;
the numbers in the figures are as follows: 1. a battery tab; 11. a cell connecting part; 111. welding the hole; 112. avoiding holes; 12. a BMS connection part; 13. a bending part; 2. an electric core; 3. a BMS; 4. a battery holder.
Detailed Description
The technical solution of the present invention will be further clearly and specifically described below with reference to the following embodiments and the accompanying drawings.
Examples
Please refer to fig. 1 to fig. 4: the utility model provides a pair of battery tab 1 with antidetonation function, including utmost point ear body, utmost point ear body include with the electric core connecting portion 11 of 2 looks adaptations of electric core and with the BMS connecting portion 12 of BMS3 looks adaptations, be equipped with a plurality of welding holes 111 corresponding with electric core 2 on the electric core connecting portion 11, and be equipped with the portion 13 of bending between electric core connecting portion 11 and BMS connecting portion 12.
When the battery tab with the anti-seismic function is used for assembling the battery of the electric vehicle:
referring to fig. 2, the battery core 2 is welded to the core connecting portion 11 of the battery tab 1 through the welding hole 111, and the BMS (battery management system) is welded to the BMS connecting portion 12, so that the battery tab 1, the battery core 2, and the BMS3 can be assembled into a whole to form a battery pack, since the battery tab 1, the battery core 2, and the BMS3 are connected by welding without using an electronic wire, the problems of wiring disorder and insufficient welding caused by the electronic wire can be effectively avoided, in addition, since the bending portion 13 is arranged between the core connecting portion 11 and the BMS connecting portion 12, which is equivalent to forming a damping and buffering area between the battery tab 1 and the BMS3, when the electric vehicle body vibrates, the bending portion 13 can absorb the energy of the vibration to play a role of vibration resistance and vibration reduction, thereby effectively avoiding the problem of the battery tab fracture caused by the vibration of the vehicle body, the safety and the reliability of the assembled battery are greatly improved, and meanwhile, the battery tab 1, the battery core 2 and the BMS3 are welded and connected, so that the battery assembling efficiency is effectively improved.
Referring to fig. 1 and 2 again, in the present embodiment, the bending portion 13 is U-shaped, which not only has a stable structure, but also is convenient for absorbing the energy of the vehicle body shock.
Referring to fig. 1 again, in this embodiment, the BMS connecting portion 12 is L-shaped, and one side of the bending portion 13 close to the BMS connecting portion 12 and the BMS connecting portion 12 form a card slot matched with the BMS3, when in use, the card slot is clamped on the BMS3 and is fixed by welding, and the installation is convenient and stable. When the bent portion 13 is U-shaped, the BMS connecting portion 12 and the bent portion 13 are integrally connected, that is, two U-shaped portions having opposite openings are arranged side by side.
In this embodiment, the department of being connected of portion 13 and electric core connecting portion 11 and BMS connecting portion 13 of bending is the fillet, and the transition is natural.
As shown in fig. 1 to fig. 4, a plurality of avoiding holes 112 are formed in the cell connecting portion 11. When the battery is assembled, the battery core 2 is usually installed on the battery support 4, the avoiding hole 112 is formed to avoid the battery support 4, and a certain positioning function is provided, so that the battery is more stable.
Referring to fig. 1 again, the welding hole 111 is a long and narrow rectangular hole, so as to facilitate resistance welding of the cell connecting portion 11 and the cell 2 by means of resistance spot welding.
In this embodiment, electric core connecting portion 11, BMS connecting portion 12, 13 formula designs as an organic whole of bending, and battery tab 1 also can integrated into one piece, the industrial production of consequently being convenient for.
In this embodiment, the material of the battery tab 1 is preferably nickel metal, because the welding performance and the conductivity are good, so as to output the electric power of the battery. In addition, in the present embodiment, the thickness of the battery tab 1 is preferably 0.15 to 0.2 mm.
It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a battery tab with antidetonation function which characterized in that: including utmost point ear body, utmost point ear body include with the electric core connecting portion of electric core looks adaptation and with the BMS connecting portion of BMS looks adaptation, be equipped with a plurality of welding holes corresponding with electric core in the electric core connecting portion, and be equipped with the portion of bending between electric core connecting portion and BMS connecting portion.
2. The battery tab with the shock-resistant function as claimed in claim 1, wherein: the bending part is U-shaped.
3. The battery tab with the shock-resistant function as claimed in claim 1, wherein: BMS connecting portion are the L type, and one side that the portion of bending is close to BMS connecting portion forms the draw-in groove with BMS looks adaptation with BMS connecting portion.
4. The battery tab with the shock-resistant function as claimed in claim 1, wherein: the department of bending and the junction of electric core connecting portion and BMS connecting portion are the fillet.
5. The battery tab with the shock-resistant function as claimed in claim 1, wherein: the welding holes are long and narrow rectangular holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921572077.0U CN210429951U (en) | 2019-09-20 | 2019-09-20 | Battery tab with anti-seismic function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921572077.0U CN210429951U (en) | 2019-09-20 | 2019-09-20 | Battery tab with anti-seismic function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210429951U true CN210429951U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921572077.0U Active CN210429951U (en) | 2019-09-20 | 2019-09-20 | Battery tab with anti-seismic function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210429951U (en) |
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2019
- 2019-09-20 CN CN201921572077.0U patent/CN210429951U/en active Active
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