CN205881976U - Power lithium - ion battery cover plate with multiple connected mode - Google Patents
Power lithium - ion battery cover plate with multiple connected mode Download PDFInfo
- Publication number
- CN205881976U CN205881976U CN201620697555.0U CN201620697555U CN205881976U CN 205881976 U CN205881976 U CN 205881976U CN 201620697555 U CN201620697555 U CN 201620697555U CN 205881976 U CN205881976 U CN 205881976U
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- Prior art keywords
- pole
- cover plate
- negative pole
- negative
- anodal
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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)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a power lithium - ion battery cover plate with multiple connected mode, which comprises a cover plate, be provided with anodal utmost point post and negative terminal on the apron, be provided with explosion -proof valve between anodal utmost point post and the negative terminal, anodal utmost point post, the junction of negative terminal and apron is provided with the insulating seal circle respectively, apron faying face down is provided with anodal connecting block, the negative pole connecting block, anodal collets and negative pole collets, anodal utmost point post passes the apron and anodal connecting block is integrated into one piece, negative terminal passes the apron and the negative pole connecting block is integrated into one piece, anodal connecting block links to each other with anodal collets, the negative pole connecting block links to each other with the negative pole collets, anodal utmost point post, negative terminal all is crew cut utmost point posts, set up threaded hole in the crew cut utmost point post. The utility model discloses an apron can possess 3 kinds of connected modes simultaneously: bolted connection, laser welding, laser welding add the dual connection of bolt, and adopt integral type utmost point post, have reduced internal resistance of cell.
Description
Technical field
This utility model belongs to field of lithium ion battery, relates to a kind of lithium battery cover plate, is specifically related to one and has multiple
The cover plate of power lithium of connected mode.
Background technology
Dynamic lithium battery i.e. provides the power supply of power resources, refers to as electric automobile, electric train, electric bicycle, height more
Golf ball car provides the accumulator of power.Dynamic lithium battery typically uses aluminum hull to encapsulate, have that volume is little, lightweight, electricity strong,
The features such as memoryless and environmental protection, are widely used the most.
Dynamic lithium battery various aspects of performance and the more general lithium battery of structural reliability are high, the especially connection side between battery
Formula, and the connected mode between battery depends on the covering plate structure of battery.Existing dynamic lithium battery major part uses post type
Battery cover board or forward type battery cover board, the connected mode of both cover plates is the most single, and post type battery cover board can only spiral shell
Tether and connect, quick detachable, but bolt easily loosens；Forward type battery cover board can only use connection sheet laser welding, needs high-power sharp
Photocoagulator, equipment requirements is high and the most quick detachable.
It addition, for dynamic lithium battery, also having a key is exactly that internal resistance is low, to provide bigger output, existing
Dynamic lithium battery pole uses riveting or welding manner, easily causes loose contact, affects the internal resistance of cell.
Summary of the invention
The purpose of this utility model is to provide a kind of cover plate of power lithium with multiple connected mode, both can connect by bolt
Connect, again can laser welding, moreover it is possible to reduce battery and connect internal resistance.
For achieving the above object, a kind of cover plate of power lithium with multiple connected mode of the present utility model, including
Cover plate, is provided with Positive Poles and negative pole pole on described cover plate, arranges between described Positive Poles and described negative pole pole
Explosion-proof valve, the junction of described Positive Poles, negative pole pole and cover plate is had to be respectively arranged with insulated enclosure circle,
Under described cover plate, faying face is provided with positive pole contiguous block, negative pole contiguous block, positive pole collets and negative insulation block, institute
The positive pole contiguous block stated is rectangle structure, described negative pole contiguous block be limit be the quadrilateral structure of circular arc, described just
Pole collets and negative insulation block are inlayed on the cover board, airtight with cover plate fixing are connected, described Positive Poles through cover plate with
Positive pole contiguous block is one-body molded, and described negative pole pole is one-body molded through cover plate with negative pole contiguous block, and described positive pole is even
The opposite side connecing block passes positive pole collets, and the opposite side of described negative pole contiguous block passes negative insulation block, described Positive Poles,
Negative pole pole is all tack pole, offers screwed hole in described tack pole.
Further, described Positive Poles is arranged along the axisymmetrical of explosion-proof valve with described negative pole pole.
Further, described cover plate being additionally provided with liquid injection hole, described liquid injection hole is near described Positive Poles side.
Further, the material of described Positive Poles is aluminum, and the material of described negative pole pole is copper nickel plating.
The beneficial effects of the utility model:
(1) cover plate of power lithium of the present utility model can be provided simultaneously with 3 kinds of connected modes: bolt connection, laser welding,
Laser welding adds the dual connection of bolt, and user can select different battery connected modes according to the actual requirements.
(2) this utility model uses integral type pole column structure, and internal resistance is greatly reduced, and the most homogeneous, and reliability is strong.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model；
Fig. 2 is top view of the present utility model；
In figure, 1, cover plate, 2, Positive Poles, 3, negative pole pole, 4, explosion-proof valve, 5, insulated enclosure circle, 6-1, positive pole connect
Block, 6-2, negative pole contiguous block, 7, screwed hole, 8, liquid injection hole, 9-1, positive pole collets, 9-2 negative insulation block.
Detailed description of the invention
With specific embodiment, this utility model is further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of cover plate of power lithium with multiple connected mode of the present utility model, including
Cover plate 1, is provided with Positive Poles 2 and negative pole pole 3 on described cover plate 1, described Positive Poles 2 and described negative pole pole 3 it
Between be provided with explosion-proof valve 4, the junction of described Positive Poles 2, negative pole pole 3 and cover plate 1 is respectively arranged with insulated enclosure circle 5,
Under described cover plate, faying face is provided with positive pole contiguous block 6-1, negative pole contiguous block 6-2, positive pole collets 9-1 and negative pole
Collets 9-2, described positive pole contiguous block 6-1 is rectangle structure, described negative pole contiguous block 6-2 be a limit be circular arc
Quadrilateral structure, when so can prevent from assembling, both positive and negative polarity is mixed adjusts, and described positive pole collets 9-1 and negative insulation block 9-2 is embedded in
On cover plate 1, airtight with cover plate 1 fixing be connected, described Positive Poles 2 through cover plate 1 with positive pole contiguous block 6-1 in integrally becoming
Type, described negative pole pole 3 is one-body molded through cover plate 1 with negative pole contiguous block 6-2, another of described positive pole contiguous block 6-1
Side passes positive pole collets 9-1, and the opposite side of described negative pole contiguous block 6-2 passes negative insulation block 9-2, pole and contiguous block one
Body formed, there is not loose contact problem, electric current good by property, the relatively low internal resistance of cell can be kept, it is to avoid battery is overheated,
Make battery performance stable, safe and reliable；
Described Positive Poles 2, negative pole pole 3 are all tack poles, offer screwed hole 7 in described tack pole, arrange
Tack pole can use laser welding, the screwed hole of setting again can be with bolts, or both dual-purposes, strengthen connect
Stability, makes battery cover board have multiple connected mode.
Further, described Positive Poles 2 is arranged along the axisymmetrical of explosion-proof valve 4 with described negative pole pole 3.
Further, described cover plate 1 is additionally provided with liquid injection hole 8, described liquid injection hole 8 near described Positive Poles 2 side,
When assemble, electrolyte can be injected in battery container by liquid injection hole 8.
Further, the material of described Positive Poles 2 is aluminum, and the material of described negative pole pole 3 is copper nickel plating.
Claims (4)
1. there is a cover plate of power lithium for multiple connected mode, including cover plate (1), described cover plate (1) is provided with
Positive Poles (2) and negative pole pole (3), be provided with explosion-proof valve (4) between described Positive Poles (2) and described negative pole pole (3),
The junction of described Positive Poles (2), negative pole pole (3) and cover plate (1) is respectively arranged with insulated enclosure circle (5), and its feature exists
In,
Under described cover plate (1), faying face is provided with positive pole contiguous block (6-1), negative pole contiguous block (6-2), positive pole collets (9-1)
With negative insulation block (9-2), described positive pole contiguous block (6-1) is rectangle structure, and described negative pole contiguous block (6-2) is one
Bar limit is the quadrilateral structure of circular arc, and described positive pole collets (9-1) and negative insulation block (9-2) are embedded on cover plate (1), with
The airtight fixing connection of cover plate (1), described Positive Poles (2) passes cover plate (1) with positive pole contiguous block (6-1) in one-body molded,
Described negative pole pole (3) passes cover plate (1) with negative pole contiguous block (6-2) in one-body molded, described positive pole contiguous block (6-1)
Opposite side passes positive pole collets (9-1), and the opposite side of described negative pole contiguous block (6-2) passes negative insulation block (9-2), described
Positive Poles (2), negative pole pole (3) are all tack poles, offer screwed hole (7) in described tack pole.
The cover plate of power lithium with multiple connected mode the most according to claim 1, it is characterised in that described positive pole
Pole (2) is arranged along the axisymmetrical of explosion-proof valve (4) with described negative pole pole (3).
The cover plate of power lithium with multiple connected mode the most according to claim 1 and 2, it is characterised in that described
Being additionally provided with liquid injection hole (8) on cover plate (1), described liquid injection hole (8) is near described Positive Poles (2) side.
The cover plate of power lithium with multiple connected mode the most according to claim 1 and 2, it is characterised in that described
The material of Positive Poles (2) is aluminum, and the material of described negative pole pole (3) is copper nickel plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697555.0U CN205881976U (en) | 2016-07-01 | 2016-07-01 | Power lithium - ion battery cover plate with multiple connected mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697555.0U CN205881976U (en) | 2016-07-01 | 2016-07-01 | Power lithium - ion battery cover plate with multiple connected mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205881976U true CN205881976U (en) | 2017-01-11 |
Family
ID=57692985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620697555.0U Active CN205881976U (en) | 2016-07-01 | 2016-07-01 | Power lithium - ion battery cover plate with multiple connected mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205881976U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784450A (en) * | 2017-01-19 | 2017-05-31 | 佛山市康荣精细陶瓷有限公司 | A kind of sealed cover plate structure of lithium battery and preparation method thereof |
| CN110739416A (en) * | 2019-11-07 | 2020-01-31 | 多氟多新能源科技有限公司 | optimized novel lithium battery cover plate assembly |
-
2016
- 2016-07-01 CN CN201620697555.0U patent/CN205881976U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784450A (en) * | 2017-01-19 | 2017-05-31 | 佛山市康荣精细陶瓷有限公司 | A kind of sealed cover plate structure of lithium battery and preparation method thereof |
| CN110739416A (en) * | 2019-11-07 | 2020-01-31 | 多氟多新能源科技有限公司 | optimized novel lithium battery cover plate assembly |
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| GR01 | Patent grant |