CN205944218U - Group battery copper aluminium conducting connecting device - Google Patents
Group battery copper aluminium conducting connecting device Download PDFInfo
- Publication number
- CN205944218U CN205944218U CN201620872390.6U CN201620872390U CN205944218U CN 205944218 U CN205944218 U CN 205944218U CN 201620872390 U CN201620872390 U CN 201620872390U CN 205944218 U CN205944218 U CN 205944218U
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- Prior art keywords
- connector
- connecting device
- copper
- battery pack
- nickel sheet
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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 belongs to the technical field of the battery module, in particular to group battery copper aluminium conducting connecting device, including aluminium matter connector, nickel piece, copper connector and bolt, aluminium matter connector has local welding plane, the nickel piece through molecular diffusion welding's mode weld in local welding plane, the nickel piece with the planar shape of local welding is the same, the area is big or small equals, copper connector passes through the bolt is locked on the aluminium matter connector that welds the nickel piece. The utility model discloses a local molecular diffusion weld with the nickel chip bonding on aluminium matter connector, it had not only needed aluminium matter but also had needed the problem that copper aluminium connects to have solved assembled battery group in -process surface. In addition, through part welding nickel piece, greatly reduced manufacturing cost.
Description
Technical field
The utility model belongs to battery modules technical field, particularly to a kind of battery pack copper aluminium conductive connecting device.
Background technology
Copper and aluminium are employed electrokinetic cell because of all having high conductance, but become battery pack process in connection in series-parallel
In, inevitably run into the lug that material is aluminium base or connector is connected with the electric-conductor of copper-based material, copper and aluminium are direct
Easily in conducting process, there is electrochemical reaction after connecting by securing member, make copper aluminium interface start to corrode, seriously
The connective stability of impact battery pack and usage safety performance.
At present, traditional handicraft solves this problem by the way of copper plating nickel on surface, and this mode is deposited in an assembling process
In certain application limitation, process costs are high.
Utility model content
The purpose of this utility model is：For the deficiencies in the prior art, and a kind of battery pack copper aluminium is provided to be conductively connected
Device, this device, by nickel sheet being welded on aluminum connector using local molecular diffusion welding (DW), solves assembled battery group mistake
In journey, surface had not only needed aluminum but also had needed the problem of copper aluminium connection.
For achieving the above object, the utility model adopts the following technical scheme that：
A kind of battery pack copper aluminium conductive connecting device, including aluminum connector, nickel sheet, copper connector and bolt, described
Aluminum connector has local welding plane, and described nickel sheet is welded in described local welding by way of molecule Diffusion Welding and puts down
Face, described nickel sheet is identical with the shape of described local welding plane, size is equal, and described copper connector passes through described spiral shell
Bolt lock onto on the aluminum connector being welded with nickel sheet.
As a kind of improvement of the present utility model, the thickness of described nickel sheet is 0.05 ~ 0.3mm.
As a kind of improvement of the present utility model, the thickness of described nickel sheet is 0.1mm.
As a kind of improvement of the present utility model, described aluminum connector includes connector body and is arranged at described connection
The through hole of device body, described connector body is provided with the groove placing conductive aluminium wire, and described groove is connected with described through hole；Institute
The side stating connector body is vertically connected with bending piece.
As a kind of improvement of the present utility model, described local welding plane is connected with described bending piece, the weldering of described local
Connect plane and be provided with fixing hole.
As a kind of improvement of the present utility model, described local welding plane and described connector body are formed with
Groove.
As a kind of improvement of the present utility model, described connector body is connected with voltage acquisition piece, described voltage acquisition
Piece is provided with collection hole.
The beneficial effects of the utility model are：The utility model includes aluminum connector, nickel sheet, copper connector and spiral shell
Bolt, described aluminum connector has local welding plane, and described nickel sheet is welded in described office by way of molecule Diffusion Welding
Portion's welding plane, described nickel sheet is identical with the shape of described local welding plane, size is equal, and described copper connector leads to
Cross described bolt to lock onto on the aluminum connector being welded with nickel sheet.Nickel sheet is welded by the utility model using local molecular diffusion welding (DW)
On aluminum connector, during solving the problems, such as assembled battery group, surface had not only needed aluminum but also had needed copper aluminium to connect.In addition,
By local welding nickel sheet, greatly reduce production cost.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is decomposing schematic representation of the present utility model.
Specific embodiment
With reference to specific embodiment and Figure of description, the utility model is described in further detail, but this
The embodiment not limited to this of utility model.
As shown in Figure 1 and 2, a kind of battery pack copper aluminium conductive connecting device, including aluminum connector 1, nickel sheet 2, copper connection
Device 3 and bolt 4, aluminum connector 1 has local welding plane 14, and nickel sheet 2 is welded in office by way of molecule Diffusion Welding
Portion's welding plane 14, nickel sheet 2 is identical with the shape of local welding plane 14, size is equal, local welding plane 14 and nickel
The shape of piece 2 and size can set as desired, and copper connector 3 lock onto, by bolt 4, the aluminium being welded with nickel sheet 2
On matter connector 1.Due to being separated with one layer of nickel sheet 2 between aluminum connector 1 and copper connector 3, this avoid copper aluminium straight
Practice midwifery in succession raw battery effect, the risk of chemical attack occurs.
Usually, the thickness of nickel sheet 2 is 0.05 ~ 0.3mm, is conducive to molecule Diffusion Welding in this thickness range, surpasses
If crossing this scope, it is unfavorable for cost-effective.The thickness of present embodiment nickel sheet 2 is 0.1mm.
Preferably, aluminum connector 1 includes connector body 11 and the through hole 12 being arranged at connector body 11, connector
Body 11 is provided with the groove 13 placing conductive aluminium wire, and groove 13 connects with through hole 12, due to can be short-circuit in battery pack with aluminium wire
During play the effect of fuse, thus improve the security performance of battery pack.
Preferably, the side of connector body 11 is vertically connected with bending piece 111, local welding plane 14 and bending piece
111 connections, local welding plane 14 is provided with fixing hole 141, and fixing hole 141 is fixed for external being conductively connected.Office
Portion's welding plane 14 and connector body 11 are formed with a dead slot 15, and dead slot 15 is used for reducing each battery charging and discharging voltage difference.
Preferably, connector body 11 is connected with voltage acquisition piece 112, and voltage acquisition piece 112 is provided with collection hole 1121,
Collection hole 1121 is used for being locked voltage acquisition line and voltage acquisition piece 112.
The announcement of book and teaching according to the above description, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is changed.Therefore, the utility model is not limited to above-mentioned specific embodiment, every this area skill
The done any conspicuously improved, replacement on the basis of the utility model of art personnel or modification belong to this practicality newly
The protection domain of type.Although additionally, employing some specific terms in this specification, these terms are intended merely to conveniently say
Bright, any restriction is not constituted to the utility model.
Claims (7)
1. a kind of battery pack copper aluminium conductive connecting device it is characterised in that：Including aluminum connector, nickel sheet, copper connector and
Bolt, described aluminum connector has local welding plane, and described nickel sheet is welded in described by way of molecule Diffusion Welding
Local welding plane, described nickel sheet is identical with the shape of described local welding plane, size is equal, described copper connector
It is lock onto on the aluminum connector being welded with nickel sheet by described bolt.
2. battery pack copper aluminium conductive connecting device according to claim 1 it is characterised in that：The thickness of described nickel sheet is
0.05~0.3mm.
3. battery pack copper aluminium conductive connecting device according to claim 2 it is characterised in that：The thickness of described nickel sheet is
0.1mm.
4. battery pack copper aluminium conductive connecting device according to claim 1 it is characterised in that：Described aluminum connector includes
Connector body and the through hole being arranged at described connector body, described connector body is provided with places the recessed of conductive aluminium wire
Groove, described groove is connected with described through hole；The side of described connector body is vertically connected with bending piece.
5. battery pack copper aluminium conductive connecting device according to claim 4 it is characterised in that：Described local welding plane with
Described bending piece connects, and described local welding plane is provided with fixing hole.
6. battery pack copper aluminium conductive connecting device according to claim 4 it is characterised in that：Described local welding plane and
Described connector body is formed with a dead slot.
7. battery pack copper aluminium conductive connecting device according to claim 4 it is characterised in that：Described connector body connects
There is voltage acquisition piece, described voltage acquisition piece is provided with collection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872390.6U CN205944218U (en) | 2016-08-12 | 2016-08-12 | Group battery copper aluminium conducting connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872390.6U CN205944218U (en) | 2016-08-12 | 2016-08-12 | Group battery copper aluminium conducting connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205944218U true CN205944218U (en) | 2017-02-08 |
Family
ID=57920920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620872390.6U Active CN205944218U (en) | 2016-08-12 | 2016-08-12 | Group battery copper aluminium conducting connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205944218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159175A (en) * | 2016-08-12 | 2016-11-23 | 东莞力朗电池科技有限公司 | A kind of battery pack copper aluminium conductive connecting device |
-
2016
- 2016-08-12 CN CN201620872390.6U patent/CN205944218U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159175A (en) * | 2016-08-12 | 2016-11-23 | 东莞力朗电池科技有限公司 | A kind of battery pack copper aluminium conductive connecting device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |