CN105742553A - Battery connection structure employing battery connection sheet with fins - Google Patents
Battery connection structure employing battery connection sheet with fins Download PDFInfo
- Publication number
- CN105742553A CN105742553A CN201610109601.5A CN201610109601A CN105742553A CN 105742553 A CN105742553 A CN 105742553A CN 201610109601 A CN201610109601 A CN 201610109601A CN 105742553 A CN105742553 A CN 105742553A
- Authority
- CN
- China
- Prior art keywords
- battery
- fin
- sheet
- linkage section
- connecting piece
- 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.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000003466 welding Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000007323 disproportionation reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6553—Terminals or leads
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a battery connection structure employing a battery connection sheet with fins. The battery connection structure comprises a plurality of batteries (3) and the battery connection sheet, wherein the battery connection sheet is used for connecting the batteries (3) and comprises a first connection sheet (1) and a second connection sheet (2), the first connection sheet comprises a substrate (14), a plurality of fins (11) are connected to a long side of the substrate (14), positioning holes (12) are formed in the fins (11) and are correspondingly connected with pole post central holes in the batteries (3), and each fin (11) and the substrate (14) are in transition connection by a bent connection bridge 913). With the adoption of the connection sheet, the welding between battery pole posts and the connection sheet is facilitated, the production efficiency is improved, the production cost is reduced, and meanwhile, the problem of non-uniform current and temperature distribution on the connection is also solved.
Description
Technical field
The invention belongs to battery group technology field, more particularly, it relates to a kind of battery connecting construction adopted with fin cell connector.
Background technology
Day by day serious along with the energy and environmental problem, electric automobile is the important directions of future automobile development.Power battery pack is electric automobile vitals, is made up of multiple cell connection in series-parallel, and the performance of set of cells is had important impact by the quality of connection between cell.In prior art, the two ends of cell connector connect the pole of the battery of monomer respectively and form connection in series-parallel relation.Cell connector is thicker and electric current and temperature distributing disproportionation on cell connector is even.
Summary of the invention
Present invention aim to address prior art Problems existing, there is provided a kind of and be conducive to battery electrode column and the welding connected between sheet, improve production efficiency, reduce a kind of battery connecting construction adopted with fin cell connector of production cost, more uniform electric current and Temperature Distribution can be obtained.
To achieve these goals, the technical scheme that the present invention takes is: this employing the provided battery connecting construction with fin cell connector, including multiple batteries and the cell connector connecting battery, described cell connector includes a connecting piece and second and connects sheet, described a connecting piece includes substrate, it is connected to multiple fin at described substrate one long side, described fin is provided with the hole, location of connection corresponding to pole centre bore on described battery, is connected by the curved bridge transition that connects between each described fin and described substrate.
For making technique scheme more detailed and concrete, the present invention also provides for optimal technical scheme further below, to obtain satisfied practical function:
Described curved connect the first linkage section that bridge includes being connected with described substrate side, the second linkage section being connected with described fin and arc linkage section, described first linkage section and described second linkage section are had extended height upwards, described first linkage section and the second linkage section upper end and are connected by described arc linkage section.
Being fixedly connected through the hole, location on described fin and battery electrode column centre bore by screw, the width of each described fin is slightly larger than the width of the battery electrode column of described battery.
It is provided with sampling sheet between described adjacent fins.
It is identical that described a connecting piece and second connects leaf length, and the number of described fin is corresponding identical with described battery number.
Described second connects sheet adopts the substrate (14) of compound compression joint technique and a connecting piece (1) to be crimped together.
Described a connecting piece thickness is 0.1-1.0mm.
Described second connection sheet thickness is 0.5-2.0mm.
Described second width width more than described a connecting piece connecting sheet.
Described a connecting piece and second connects sheet and is the integrated monolithic construction of stamping-out.
The present invention compared with prior art, has the advantage that the present invention adopts the battery connecting construction with fin cell connector, can facilitate battery electrode column and connect being welded to connect between sheet, and production efficiency is high, and production cost is low；Each fin shape is consistent, and moulding process is simple, and the number of fin arbitrarily can be arranged according to the quantity of battery series-parallel connection, and versatility is good；Battery CURRENT DISTRIBUTION on all fins in charge and discharge process is consistent, homogeneous temperature；The curved design connecing bridge reduces the conforming requirement of cell height, reduces the difficulty of battery packaging technology；It is wider that needs the second connection sheet according to heat radiation designs, and is conducive to the heat radiation of set of cells, it is ensured that its temperature homogeneity.
Accompanying drawing explanation
Below the content expressed by the accompanying drawing of this specification and the labelling in figure are briefly described:
Fig. 1 is battery connecting construction schematic diagram of the present invention；
Fig. 2 is that a connecting piece and second connects sheet connection diagram；
Fig. 3 is the first connection chip architecture schematic diagram；
Being labeled as in figure: 1, a connecting piece, 11, fin, 12, hole, location, 13, curved connect bridge, 14, substrate, 15, sampling sheet, 2, second connects sheet, and 3, battery.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, the specific embodiment of the present invention is described in further detail.
A kind of battery connecting construction adopted with fin cell connector of the present invention, as it is shown in figure 1, include multiple battery 3, connects battery 3 by cell connector, and the cell connector in the present invention includes a connecting piece 1 and second and connects sheet 2, as shown in Figure 2.Wherein a connecting piece 1 is made up of fin 11, hole 12, location, curved bridge 13, substrate 14 and the sampling sheet 15 of connecing, as shown in Figure 3, it is connected to multiple fin 11 at substrate 14 1 long side, fin 11 is provided with the hole, location 12 of connection corresponding to pole centre bore on battery 3, is connect bridge 13 transition be connected by curved between each fin 11 and substrate 14.Use this connection sheet to not only contribute to battery electrode column and the welding connected between sheet, improve production efficiency, reduce production cost, also solve simultaneously and connect the problem that electric current and temperature distributing disproportionation on sheet are even.And curved connecing when deviation and cell expansion deformation occurs in cell height direction in bridge 13 has good regulatory function, it is ensured that cell connector is not subject to bigger tension or compressive stress.
In the present invention, as shown in Figure 3, curved connect the first linkage section that bridge 13 includes being connected with substrate 14 side, the second linkage section being connected with fin 11 and arc linkage section, first linkage section and the second linkage section have extended height (namely extending) upwards along cell height direction, and the arc linkage section that the first linkage section and the second linkage section upper end are passed through connects.
When connecting location, it is fixedly connected with battery electrode column centre bore through the hole, location 12 on fin 11 by screw.When design, the width of each fin 11, slightly larger than the width of the battery electrode column of battery 3, is welded to connect to facilitate.Each fin 11 adopts laser welding process to be connected with battery electrode column upper surface, to ensure the connection reliability between battery and cell connector.
The present invention adopts the battery connecting construction with fin cell connector, sampling sheet 15 to be located between adjacent often group fin 11, it is possible to convenient when battery uses accurately battery is carried out real-time sampling monitoring.
The substrate 14 of a connecting piece 1 and the second connection sheet 2 adopt the process that compound crimps to link together, in stitching state.It is identical that a connecting piece 1 connects sheet 2 length with second, and the number of fin 11 is corresponding with battery number identical.The number of fin 11 arbitrarily can adjust according to the mode of battery series-parallel connection, and therefore the adaptability of this connection sheet is good, easy to use.
A connecting piece 1 thinner thickness, is conducive to battery electrode column and the welding connected between sheet, can improve production efficiency, relative reduction production cost.As preferably, a connecting piece 1 thickness is 0.1-1.0mm, and the second connection sheet 2 thickness is 0.5-2.0mm, and width, according to connecting the design of sheet overcurrent capability, may be set to 10-60mm, bending and molding.
Preferably, second connect sheet 2 width design can more than the width of a connecting piece 1, to be conducive to the temperature homogeneity of set of cells to dispel the heat, it is ensured that set of cells serviceability.
In the present invention, a connecting piece 1 and the second connection sheet 2 are the integrated monolithic construction of stamping-out, and molding is simple, and cost is low, and structural stability is good.
A connecting piece 1 and the second connection sheet 2 are the good metal material of conduction, such as fine aluminium, red copper or nickel strap.A connecting piece 1 connects sheet 2 material with second can be identical, it is also possible to differs.
The present invention adopts the battery connecting construction with fin cell connector, can facilitate battery electrode column and connect being welded to connect between sheet, and production efficiency is high, and production cost is low；Each fin 11 shape is consistent, and moulding process is simple, and the number of fin 11 arbitrarily can be arranged according to the quantity of battery series-parallel connection, and versatility is good；Battery CURRENT DISTRIBUTION on all fins in charge and discharge process is consistent, homogeneous temperature；The curved design connecing bridge 3 reduces the conforming requirement of cell height, reduces the difficulty of battery packaging technology；It is wider that needs the second connection sheet 2 according to heat radiation can design, and is conducive to the heat radiation of set of cells, it is ensured that its temperature homogeneity.
Above in conjunction with accompanying drawing, the present invention is exemplarily described; but the present invention is not limited to aforesaid way; as long as adopting the improvement of the various unsubstantialities that method is conceived and technical scheme carries out of the present invention or directly applying to other occasion, all fall within protection scope of the present invention.
Claims (10)
1. the battery connecting construction adopted with fin cell connector, including multiple batteries (3) and the cell connector connecting described battery (3), it is characterized in that: described cell connector includes a connecting piece (1) and second and connects sheet (2), described a connecting piece includes substrate (14), it is connected to multiple fin (11) in the long side of described substrate (14), described fin (11) is provided with the hole, location (12) of connection corresponding to the upper pole centre bore of described battery (3), connect bridge (13) transition be connected by curved between each described fin (11) and described substrate (14).
2. the battery connecting construction described in claim 1, it is characterized in that: described curved connect the first linkage section that bridge (13) includes being connected with described substrate (14) side, the second linkage section being connected with described fin (11) and arc linkage section, described first linkage section and described second linkage section are had extended height upwards, described first linkage section and the second linkage section upper end and are connected by described arc linkage section.
3. the battery connecting construction described in claim 2, it is characterized in that: being fixedly connected through the hole, location (12) on described fin (11) and battery electrode column centre bore by screw, the width of each described fin (11) is slightly larger than the width of the battery electrode column of described battery (3).
4. the battery connecting construction described in claim 3, it is characterised in that: it is provided with sampling sheet (15) between described adjacent fins (11).
5. the battery connecting construction described in claim 1, it is characterised in that: it is identical that described a connecting piece (1) connects sheet (2) length with second, and the number of described fin (11) is corresponding identical with described battery number.
6. the battery connecting construction described in claim 5, it is characterised in that: described second connects sheet (2) adopts the substrate (14) of compound compression joint technique and a connecting piece (1) to be crimped together.
7. the battery connecting construction described in claim 1, it is characterised in that: described a connecting piece (1) thickness is 0.1-1.0mm.
8. the battery connecting construction described in claim 1, it is characterised in that: described second connection sheet (2) thickness is 0.5-2.0mm.
9. the battery connecting construction described in claim 1, it is characterised in that: described second connects the width width more than described a connecting piece (1) of sheet (2).
10. the battery connecting construction described in any one of claim 1 to 9, it is characterised in that: described a connecting piece (1) and second connects sheet (2) and is the integrated monolithic construction of stamping-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610109601.5A CN105742553B (en) | 2016-02-26 | 2016-02-26 | It is a kind of to use the battery connecting construction with fin cell connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610109601.5A CN105742553B (en) | 2016-02-26 | 2016-02-26 | It is a kind of to use the battery connecting construction with fin cell connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105742553A true CN105742553A (en) | 2016-07-06 |
| CN105742553B CN105742553B (en) | 2018-07-06 |
Family
ID=56248701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610109601.5A Active CN105742553B (en) | 2016-02-26 | 2016-02-26 | It is a kind of to use the battery connecting construction with fin cell connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105742553B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002319388A (en) * | 2001-04-19 | 2002-10-31 | Toyota Motor Corp | Battery, battery pack, and terminal |
| CN203932177U (en) * | 2013-09-30 | 2014-11-05 | 上海比亚迪有限公司 | A kind of cell connector and use the electrokinetic cell of this cell connector |
| CN203950862U (en) * | 2013-12-20 | 2014-11-19 | 惠州比亚迪电池有限公司 | A kind of electrokinetic cell connector and power battery pack thereof |
| CN204577505U (en) * | 2015-04-24 | 2015-08-19 | 宁德时代新能源科技有限公司 | Battery modules brace |
| CN205564865U (en) * | 2016-02-26 | 2016-09-07 | 安徽天鑫能源科技有限公司 | Novel battery connection structure |
-
2016
- 2016-02-26 CN CN201610109601.5A patent/CN105742553B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002319388A (en) * | 2001-04-19 | 2002-10-31 | Toyota Motor Corp | Battery, battery pack, and terminal |
| CN203932177U (en) * | 2013-09-30 | 2014-11-05 | 上海比亚迪有限公司 | A kind of cell connector and use the electrokinetic cell of this cell connector |
| CN203950862U (en) * | 2013-12-20 | 2014-11-19 | 惠州比亚迪电池有限公司 | A kind of electrokinetic cell connector and power battery pack thereof |
| CN204577505U (en) * | 2015-04-24 | 2015-08-19 | 宁德时代新能源科技有限公司 | Battery modules brace |
| CN205564865U (en) * | 2016-02-26 | 2016-09-07 | 安徽天鑫能源科技有限公司 | Novel battery connection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105742553B (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206022463U (en) | A kind of battery module of electric vehicle unit and battery module | |
| CN203859172U (en) | Battery module | |
| CN208014793U (en) | Connecting elements and rechargeable battery | |
| CN208208864U (en) | Lithium ion battery packet lightweight electric connection structure | |
| CN205429045U (en) | Battery module | |
| CN209515770U (en) | A kind of high-energy density soft-package battery mould group | |
| CN104600236A (en) | Heavy-current lithium-ion battery pack | |
| CN208589484U (en) | Battery modules | |
| CN206293450U (en) | A kind of photovoltaic bypass diode die block structure | |
| CN216389392U (en) | Battery piece | |
| CN208570760U (en) | Battery modules and battery pack | |
| CN205159397U (en) | Battery module | |
| CN207441841U (en) | A kind of lug connection sheet | |
| CN206893737U (en) | A kind of lithium battery assembling mould for being conveniently replaceable conducting strip | |
| CN105977435B (en) | Battery modules tab welding device and method | |
| CN205564865U (en) | Novel battery connection structure | |
| CN206441772U (en) | Soft-package battery module | |
| CN105742553A (en) | Battery connection structure employing battery connection sheet with fins | |
| CN205453630U (en) | Heat dissipation type photovoltaic terminal box | |
| WO2023280247A1 (en) | Cell piece | |
| CN208225924U (en) | Directly draw the power battery top cover of formula downhand welding structure based on tab | |
| CN206893675U (en) | A kind of battery case | |
| CN201796985U (en) | Pole of high-power lithium ion battery | |
| CN202930471U (en) | Large-current copper-nickel row for connection of plate-type cells of battery pack | |
| CN204966710U (en) | Power battery connection piece and have its power battery package and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240408 Address after: 241000 China (Anhui) Pilot Free Trade Zone Wuhu Area Science and Technology Innovation Center International Student Building D332, Wuhu City, Anhui Province Patentee after: WUHU ZHANGHONG ENGINEERING TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 241000 Building 10, Small and Medium-sized Enterprise Pioneer Park, South Zone, Hi-tech Industrial Development Zone, Yijiang District, Wuhu, Anhui Province Patentee before: ANHUI TIANXIN ENERGY TECHNOLOGY Co.,Ltd. Country or region before: China |