CN110459725A - Aluminium dish composite bar connection scheme - Google Patents
Aluminium dish composite bar connection scheme Download PDFInfo
- Publication number
- CN110459725A CN110459725A CN201810429222.3A CN201810429222A CN110459725A CN 110459725 A CN110459725 A CN 110459725A CN 201810429222 A CN201810429222 A CN 201810429222A CN 110459725 A CN110459725 A CN 110459725A
- Authority
- CN
- China
- Prior art keywords
- aluminium dish
- composite bar
- battery core
- busbar connector
- aluminium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Abstract
Present invention discloses aluminium dish composite bar connection scheme, including battery modules (4), busbar connector (1), the aluminium dish (2) is welded to on the busbar connector (1), forms aluminium dish composite bar by aluminium dish (2), U-shaped disk (7)；Then the aluminium dish composite bar is bonded on the battery modules (4) using glue, the U-shaped disk (7) is connected with battery core (3) positive and negative electrode respectively, it is welded on contact surface of the U-shaped disk (7) with battery core (3) positive and negative electrode finally by welding procedure, the connection of fixed battery core and aluminium dish.Using connection scheme of the invention, the welding of battery core and busbar connector is extremely fast and simple, solid and reliable, will not substantially increase welding yield, it is ensured that the stability of battery pack there is a phenomenon where rosin joint and solder joint loosening.
Description
Technical field
The present invention relates to new energy resource power battery mould group field more particularly to a kind of aluminium dish composite bar connection schemes.
Background technique
Compared with orthodox car, electric vehicle has apparent advantage in environmental protection.Waste pollution and noise pollution are interior
The big pollution of the two of combustion engine automobile.Electric vehicle does not consume gasoline then, and no exhaust emission, low noise, radiation is small, is a kind of ideal clear
The clean vehicles.With the enhancing of the environmental consciousness of the mankind, electric vehicle using increasingly extensive, thus electronic vehicle electric power electric
Pond group is developed into an important project.
Chinese patent CN107068926A discloses a kind of battery pack with aluminium wire and its aluminium wire welding procedure, wherein having
There are the battery pack of aluminium wire, including top tray, lower tray, single battery and fluid confluence, the upper and lower pallet is logical equipped with pallet
Hole, the single battery are sandwiched between top tray and lower tray, and the fluid confluence is connected with upper and lower pallet, and feature exists
In: the fluid confluence is connected to top tray outer surface, this fluid confluence is upper fluid confluence, and fluid confluence is logical equipped with fluid confluence on this
Hole, the single battery anode is corresponding with the pallet lead to the hole site of top tray, the fluid confluence through-hole of the upper fluid confluence with it is upper
The pallet lead to the hole site of pallet is corresponding, and the single battery is connected by aluminium wire with upper fluid confluence, and the aluminium wire is through end
The pallet through-hole of top tray and the fluid confluence through-hole of upper fluid confluence, one end of the aluminium wire is connected to single battery anode, another
End is connected on fluid confluence.
In addition, a kind of aluminium wire welding procedure of battery pack, it is characterised in that the following steps are included:
(1) butt welding contact applies the contact force of 4.5 ~ 7N；
(2) contact force is become into 3.8 ~ 8N through 10 ~ 20ms；
(3) contact force is risen into 9.5 ~ 15N through 15 ~ 25ms, and keeps 90 ~ 150ms of the contact force
However the program can frequently occur rosin joint phenomenon to equipment precision requirement height, and when welding, module is done over again,
Wasting manpower and material resources, and inefficiency, quality not can guarantee, and can substantially reduce rosin joint using aluminium dish composite bar connection scheme
Rate improves welding yield and efficiency, realizes full-automatic production.
Summary of the invention
In the present solution, a kind of aluminium dish composite bar connection scheme is provided, by the way that 0.15mm thickness aluminium dish is welded to busbar connector
Aluminium dish composite bar, is then bonded in battery modules using glue, then welded with battery core by upper formation aluminium dish composite bar, can
Rosin joint rate can be greatly reduced, welding yield and welding efficiency are improved, realizes full-automatic production.
The technical solution adopted by the present invention to solve the technical problems is: aluminium dish composite bar connection scheme, including aluminium dish, U
Shape disk, battery modules, busbar connector；The aluminium dish is welded on the busbar connector, aluminium dish composite bar is formed；Then glue is utilized
The aluminium dish composite bar is bonded in the battery modules by water, and the U-shaped disk is connected with battery core positive and negative electrode respectively,
Contact surface finally by welding procedure in the U-shaped disk and battery core positive and negative electrode is welded, the company of fixed battery core and aluminium dish
It connects, aluminium dish becomes the medium of the series and parallel between battery core.
Further, above-mentioned aluminium dish composite bar connection scheme, wherein aluminium dish is equipped with multiple diameters with a thickness of 0.15mm
The circular hole of 1.8mm is respectively cut away for 14.6mm and up and down, and it is 8mmU shape disk that diameter is equipped among circular hole, is prolonged among the disk
The connection sheet that a width is 1mm is stretched out to be connected with aluminium dish；
Further, diameter is 14.6mm and respectively cuts away clear size of opening size one of the circular hole with busbar connector of 1.8mm up and down
It causes；
Further, above-mentioned aluminium dish composite bar connection scheme, wherein stick to aluminium dish composite bar in battery modules, then will
The U-shaped disk of aluminium dish is connect with battery core anode, then is welded with welding procedure；
Further, above-mentioned aluminium dish composite bar connection scheme, wherein stick to aluminium dish composite bar in battery modules, then will
The U-shaped disk of aluminium dish is connect with battery core cathode, then is welded with welding procedure；
Substantive distinguishing features outstanding of the invention and significant technological progress are mainly reflected in:
1, due to being welded to connect between single battery and busbar connector by aluminium dish, when single battery is abnormal, aluminium flake is in pole
It may fuse in the short time, so that the exception single battery and busbar connector disconnect, ensure that the safety of battery pack.
2, using connection scheme of the invention, the welding of battery core and busbar connector is extremely quick and easy, will not occur rosin joint and
The phenomenon that solder joint loosens, substantially increases welding yield, it is ensured that the stability of battery pack.
Detailed description of the invention
Fig. 1 is aluminium dish schematic diagram
Fig. 2 is busbar connector schematic diagram
Fig. 3 is aluminium dish composite bar schematic diagram
Fig. 4 is that aluminium dish composite bar and battery modules weld schematic diagram
In figure, each appended drawing reference is 1 --- busbar connector, 2 --- and aluminium dish, 3 --- battery core, 4 --- battery modules, 5 --- connection
Piece, 6 --- aluminium dish circular hole (diameter is that 14.6mm or more respectively cuts off 1.8mm), 7 --- U-shaped disk, 8 --- pad
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Below in conjunction with attached drawing, the embodiment of the present invention is described in further detail, so that technical solution of the present invention
It is more readily understood and grasps.
Aluminium dish composite bar connection scheme as shown in Figure 1 and Figure 4, including aluminium dish (2), U-shaped disk (7), busbar connector (2), electricity
Chi Mo group (4), connection sheet (5)；The connection sheet (5) is connecting with aluminium dish of extending out among U-shaped disk in aluminium dish (2)
The connection sheet of 1mm wide.
The aluminium dish (2) is welded on the busbar connector (1), aluminium dish composite bar is formed；It then will be described using glue
Aluminium dish composite bar is bonded on the battery modules (4), and the U-shaped disk (7) is connected with battery core (3) positive and negative electrode respectively,
Then by welding procedure the U-shaped circle (7) and the positive or negative pole of battery core (3) contact surface welded, completion battery core it
Between it is series-parallel.
Aluminium dish (2) is welded on busbar connector (1) as shown in Figure 3, forms aluminium dish composite bar；
Preferably, above-mentioned welding uses ultrasonic pulse welding procedure；
Preferably, when above-mentioned aluminium dish composite bar is welded on busbar connector (1), welding parameter 80w, 90mm/s, pulsewidth is
200ns,120khz；
Preferably, when above-mentioned U-shaped disk (7) and battery core (3) are just or cathode welds, welding parameter 70w, 100mm/s, arteries and veins
Width is 200ns, 150khz；
Preferably, when welding U-shaped disk (7) and battery core (3) positive or negative pole, 4 points, such as Fig. 4 are made a call in weldering U-shaped disk (7)
Shown pad (8)；
Preferably, each pad weld interval is 0.25s；
Aluminium dish composite bar connection scheme provided by the invention forms aluminium dish composite bar, so by the way that aluminium dish to be welded on busbar connector
Aluminium dish composite bar is sticked in battery modules with glue afterwards, then positive or negative in aluminium dish U-shaped disk and battery core by welding procedure
It is welded on the contact surface of pole.Using this scheme, welding yield and efficiency can be greatly improved, it is ensured that the stabilization of battery pack
Property, it can be realized full-automatic production.
The above description is only a preferred embodiment of the present invention, does not therefore limit the scope of the patents of the invention, all utilizations
The equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are done is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (4)
1. the aluminium dish is welded to the busbar connector by aluminium dish composite bar connection scheme, including aluminium dish, battery modules, busbar connector
On, form aluminium dish composite bar；Then the aluminium dish composite bar is bonded in the battery modules with glue, by the aluminium dish
Connection sheet is connected with battery core positive and negative electrode respectively, is then connected the positive or negative pole of connection sheet and battery core by welding procedure,
It is characterized in that, increasing aluminium dish on busbar connector as conducting medium series-parallel between battery core.
2. aluminium dish composite bar connection scheme according to claim 1, which is characterized in that the thickness of the aluminium dish is
0.15mm。
3. according to claim 2, which is characterized in that be equipped with diameter among the aluminium dish for the circular hole of 14.6mm, on the circular hole
Under each excision 1.8mm.
4. according to claim 3, which is characterized in that be equipped with the U-shaped disk that diameter is 8mm, U-shaped circle among the aluminium dish
Extend the connection sheet that a width is 1mm among piece to be connected with aluminium dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810429222.3A CN110459725A (en) | 2018-05-08 | 2018-05-08 | Aluminium dish composite bar connection scheme |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810429222.3A CN110459725A (en) | 2018-05-08 | 2018-05-08 | Aluminium dish composite bar connection scheme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110459725A true CN110459725A (en) | 2019-11-15 |
Family
ID=68471992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810429222.3A Pending CN110459725A (en) | 2018-05-08 | 2018-05-08 | Aluminium dish composite bar connection scheme |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110459725A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021182779A1 (en) * | 2020-03-09 | 2021-09-16 | 주식회사 엘지에너지솔루션 | Battery module having busbar, battery pack and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130230761A1 (en) * | 2010-11-30 | 2013-09-05 | Panasonic Corporation | Battery module and battery pack |
| CN105914335A (en) * | 2016-04-12 | 2016-08-31 | 安徽欧鹏巴赫新能源科技有限公司 | Flexible-packaging power lithium ion battery module busbar |
| CN205882046U (en) * | 2016-04-26 | 2017-01-11 | 深圳市沃特玛电池有限公司 | Lithium ion battery group link chip architecture |
| CN107799846A (en) * | 2016-09-07 | 2018-03-13 | 昶洧新能源汽车发展有限公司 | Battery pack system shell with internal bus-bar |
| CN107808940A (en) * | 2017-09-27 | 2018-03-16 | 深圳市华宝新能源股份有限公司 | A kind of lithium battery |
-
2018
- 2018-05-08 CN CN201810429222.3A patent/CN110459725A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130230761A1 (en) * | 2010-11-30 | 2013-09-05 | Panasonic Corporation | Battery module and battery pack |
| CN105914335A (en) * | 2016-04-12 | 2016-08-31 | 安徽欧鹏巴赫新能源科技有限公司 | Flexible-packaging power lithium ion battery module busbar |
| CN205882046U (en) * | 2016-04-26 | 2017-01-11 | 深圳市沃特玛电池有限公司 | Lithium ion battery group link chip architecture |
| CN107799846A (en) * | 2016-09-07 | 2018-03-13 | 昶洧新能源汽车发展有限公司 | Battery pack system shell with internal bus-bar |
| CN107808940A (en) * | 2017-09-27 | 2018-03-16 | 深圳市华宝新能源股份有限公司 | A kind of lithium battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021182779A1 (en) * | 2020-03-09 | 2021-09-16 | 주식회사 엘지에너지솔루션 | Battery module having busbar, battery pack and vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191115 |