CN206878273U - A kind of automobile power cell bus-bar - Google Patents
A kind of automobile power cell bus-bar Download PDFInfo
- Publication number
- CN206878273U CN206878273U CN201720814813.3U CN201720814813U CN206878273U CN 206878273 U CN206878273 U CN 206878273U CN 201720814813 U CN201720814813 U CN 201720814813U CN 206878273 U CN206878273 U CN 206878273U
- Authority
- CN
- China
- Prior art keywords
- busbar
- automotive power
- adjacent
- gap
- power battery
- 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.)
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Links
- 238000005452 bending Methods 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims description 2
- 210000005056 cell body Anatomy 0.000 abstract 2
- 210000004027 cell Anatomy 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Classifications
-
- 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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of automobile power cell bus-bar, including copper isostere, aluminum isostere；Copper isostere, including at least two first bending sections, it is one first cell body between two adjacent first bending sections, the outer side edges of outermost first bending section are provided with a first connecting portion；Aluminum isostere, including at least two second bending sections, it is one second cell body between two adjacent second bending sections, the outer side edges of outermost second bending section are provided with a second connecting portion；The second connecting portion is by being ultrasonically welded at the first connecting portion.
Description
Technical Field
The utility model relates to a fields such as automobile power part connects specifically are an automobile power battery busbar.
Background
In the field of connection of automobile power parts, the materials used for the positive electrode and the negative electrode of the battery cell adopted at present are often not the same material, and generally, the positive electrode material is an aluminum material, and the negative electrode is a copper material. In a battery module, a plurality of battery cells are generally required to be connected in series to meet a power supply requirement.
In the prior art, a bus bar is generally used to connect the battery cells. The bus bar is usually made of copper, although the conductivity of the copper material is excellent, the connection mode has higher internal resistance due to the existence of bolts, and the cost of the copper material is higher, so that the cost of the module is increased to a certain extent; if the aluminum bus bar is used, it is difficult to meet the battery assembling requirement to a certain extent because the conductivity of the aluminum bus bar is not as good as that of copper. In the prior art, a copper-aluminum composite material is generally used as a bus bar, but the performance of the copper-aluminum composite material is different, so the conductivity of the bus bar made of the copper-aluminum composite material is sometimes unstable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides an automobile power battery busbar, the copper body is arranged through the copper pole connection of battery electricity core, the aluminium matter body is arranged to the aluminium matter of arranging through the aluminium utmost point connection of battery electricity core to solve the not enough among the prior art.
The technical scheme for realizing the purpose is as follows: a bus bar of an automobile power battery comprises a copper bar body and an aluminum bar body; the copper busbar comprises at least two first bent parts, a first groove body is arranged between every two adjacent first bent parts, and a first connecting part is arranged on the outer side edge of the first bent part on the outermost side; the aluminum row body comprises at least two second bent parts, a second groove body is arranged between every two adjacent second bent parts, and a second connecting part is arranged on the outer side edge of the second bent part on the outermost side; the second connecting portion is welded to the first connecting portion by ultrasonic welding.
In a preferred embodiment of the present invention, the bottom surface of the first tank body is flush with the bottom surface of the second tank body.
The highest point of the first bend is flush with the highest point of the second bend.
In a preferred embodiment of the present invention, the first groove body is provided with a through hole.
In a preferred embodiment of the present invention, the through holes are equidistantly distributed along the length direction of the first groove.
In a preferred embodiment of the present invention, each of the first bending portions includes a first portion body, a lower end of which is connected to the first connecting portion; a second part, the lower end of which is connected with one end side of the first groove body; the second part body is an arc-shaped part, and two end sides of the second part body are connected between the upper end of the first part body and the upper end of the second part body.
In a preferred embodiment of the present invention, a first gap is formed between the first portion and the second portion, and the first gap width is: 1mm-3 mm; the distance between the centers of two adjacent first bending parts is 6-8 mm.
In a preferred embodiment of the present invention, each of the second bending portions includes a third portion, a lower end of which is connected to the second connecting portion; a fourth body, the lower end of which is connected to one end side of the second groove body; and the fifth part body is an arc-shaped part, and two end sides of the fifth part body are connected between the upper end of the third part body and the upper end of the fourth part body.
In a preferred embodiment of the present invention, a second gap is formed between the third portion and the fourth portion, and the second gap width is: 1mm-3 mm; the distance between the centers of two adjacent second bending parts is 6-8 mm.
The utility model has the advantages that: the utility model discloses an automobile power battery busbar, the aluminium matter row body is connected to the aluminium utmost point that copper was connected through the copper utmost point of battery electricity core and is arranged the body, battery electricity core, the effectual great problem of internal resistance of having solved the connector has reduced the cost of manufacture of busbar, the stability of effectual holding current output simultaneously.
Drawings
The invention is further explained below with reference to the figures and examples.
Fig. 1 is a schematic structural view of a bus bar of an automotive power battery according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure of fig. 1.
Wherein,
1, copper busbar; 2, aluminum row body;
11 a first curved portion; 12 a first trough body;
13 a first connection portion; 14 through holes;
111 a first part; 112 a second portion;
113 a third body; 114 a first gap;
21 a second bend; 22 a second trough body;
23 a second connection portion;
211 a fourth body; 212 fifth body;
213 sixth body; 214 second gap.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.
In an embodiment, as shown in fig. 1 and fig. 2, an automotive power battery busbar includes a copper busbar 1 and an aluminum busbar 2.
Specifically, the copper busbar body 1 comprises at least two first bending portions 11, a first groove body 12 and a first connecting portion 13. The first groove 12 is disposed between two adjacent first bent portions 11, and the first connecting portion 13 is connected to an outer side edge of the outermost first bent portion 11.
Specifically, the aluminum row body 2 includes at least two second bent portions 21, a second groove body 22, and a second connecting portion 23. The second groove 22 is arranged between two adjacent second bending parts 21, and the second connecting part 23 is connected to the outer side edge of the outermost second bending part 21; the second connection portion 23 is ultrasonically welded to the first connection portion 13.
In this embodiment, the bottom surface of the first slot 12 is flush with the bottom surface of the second slot 22. The highest point of the first bend 11 is flush with the highest point of the second bend 21. The first tank body 12 is provided with a through hole 14. The through holes 14 are equidistantly distributed along the length direction of the first tank 12.
In this embodiment, each of the first bending portions 11 includes a first portion 111, a second portion 112, and a third portion 211, and a lower end of the first portion 111 is connected to the first connecting portion 13; the lower end of the second part 112 is connected to one end of the first trough 12; the second portion 112 is an arc-shaped portion, and both end sides of the second portion 112 are connected between the upper end of the first portion 111 and the upper end of the second portion 112.
In this embodiment, a first gap 114 is formed between the first portion 111 and the second portion 112, and the width of the first gap 114 is: 1mm-3 mm; the distance between the centers of two adjacent first bending parts 11 is 6mm-8 mm.
In this embodiment, each of the second bending portions 21 includes a third portion 211, a fourth portion 212, and a fifth portion 213. The lower end of the third part 211 is connected to the second connecting part 23; the lower end of the fourth body 212 is connected to one end of the second groove 22; the fifth body 213 is an arc-shaped portion, and both end sides of the fifth body 213 are connected between the upper end of the third body 211 and the upper end of the fourth body 212.
A second gap 214 is formed between the third portion 211 and the fourth portion 212, and the width of the second gap 214 is: 1mm-3 mm; the distance between the centers of two adjacent second bending parts 21 is 6mm-8 mm.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The bus bar of the automobile power battery is characterized by comprising a copper bar body and an aluminum bar body;
the copper busbar comprises at least two first bent parts, a first groove body is arranged between every two adjacent first bent parts, and a first connecting part is arranged on the outer side edge of the first bent part on the outermost side;
the aluminum row body comprises at least two second bent parts, a second groove body is arranged between every two adjacent second bent parts, and a second connecting part is arranged on the outer side edge of the second bent part on the outermost side;
the second connecting portion is welded to the first connecting portion by ultrasonic welding.
2. The automotive power battery busbar of claim 1, wherein a bottom surface of the first channel is flush with a bottom surface of the second channel.
3. The automotive power battery busbar according to claim 1 or 2, wherein a highest point of the first curved portion is flush with a highest point of the second curved portion.
4. The automotive power battery busbar of claim 1, wherein the first groove is provided with a through hole.
5. The automotive power battery busbar of claim 4, wherein the through holes are equidistantly distributed along the length of the first slot.
6. The automotive power cell busbar of claim 1, wherein each of the first bends comprises
A first part, the lower end of which is connected with the first connecting part;
a second part, the lower end of which is connected with one end side of the first groove body;
the second part body is an arc-shaped part, and two end sides of the second part body are connected between the upper end of the first part body and the upper end of the second part body.
7. The automotive power cell busbar of claim 6, wherein a first gap is defined between the first and second portions, the first gap having a width of: 1mm-3 mm; the distance between the centers of two adjacent first bending parts is 6-8 mm.
8. The automotive power cell busbar of claim 1, wherein each of the second bends comprises
A third part having a lower end connected to the second connection part;
a fourth body, the lower end of which is connected to one end side of the second groove body;
and the fifth part body is an arc-shaped part, and two end sides of the fifth part body are connected between the upper end of the third part body and the upper end of the fourth part body.
9. The automotive power cell busbar of claim 8, wherein a second gap is provided between the third and fourth portions, the second gap having a width of: 1mm-3 mm; the distance between the centers of two adjacent second bending parts is 6-8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814813.3U CN206878273U (en) | 2017-07-06 | 2017-07-06 | A kind of automobile power cell bus-bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814813.3U CN206878273U (en) | 2017-07-06 | 2017-07-06 | A kind of automobile power cell bus-bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878273U true CN206878273U (en) | 2018-01-12 |
Family
ID=61329517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720814813.3U Active CN206878273U (en) | 2017-07-06 | 2017-07-06 | A kind of automobile power cell bus-bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206878273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019242663A1 (en) * | 2018-06-22 | 2019-12-26 | 君泰创新（北京）科技有限公司 | Welding apparatus and method for assembling solar cell |
-
2017
- 2017-07-06 CN CN201720814813.3U patent/CN206878273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019242663A1 (en) * | 2018-06-22 | 2019-12-26 | 君泰创新（北京）科技有限公司 | Welding apparatus and method for assembling solar cell |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |