CN207489928U - Lithium ion battery top cover with fixed crease on inner connecting sheet - Google Patents
Lithium ion battery top cover with fixed crease on inner connecting sheet Download PDFInfo
- Publication number
- CN207489928U CN207489928U CN201721316068.6U CN201721316068U CN207489928U CN 207489928 U CN207489928 U CN 207489928U CN 201721316068 U CN201721316068 U CN 201721316068U CN 207489928 U CN207489928 U CN 207489928U
- Authority
- CN
- China
- Prior art keywords
- folding line
- pole
- connection sheet
- line groove
- lithium ion
- 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
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 33
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000005452 bending Methods 0.000 claims abstract description 41
- 239000007787 solid Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 8
- 239000000446 fuel Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 an in-connection piece has lithium ion battery top cap of fixed crease, be equipped with in the top cap main part along top cap main part length direction two interior utmost point posts of distribution, be equipped with the crease groove that extends on every interior utmost point post along top cap main part length direction, the connection piece covers including on the utmost point post, be equipped with on the connection piece and correspond the kink that sets up with the crease groove. The lithium ion battery top cover with the optimized inner connecting sheet provided with the fixed crease has the advantages that the structural design is optimized and reasonable, the bending difficulty of the inner connecting sheet during the assembly of the lithium ion battery is effectively reduced, the fatigue degree of operators is reduced, and the assembly efficiency is greatly improved; meanwhile, the position of the crease mark can be ensured to be at the optimal position when the connecting piece is bent every time, and product scrap caused by unqualified bending of the inner connecting piece is further reduced.
Description
Technical field
The utility model is related to lithium ion battery processing technique fields more particularly to a kind of interior connection sheet to carry fixed folding line
Lithium ion battery head cover.
Background technology
Lithium ion battery has that energy density is high, have a safety feature, service life is long, self discharge is small, memory-less effect etc.
Advantage is now widely used for the fields such as electric vehicle, hybrid vehicle, Portable power source.
With the implementation successively of the new carbon emission regulation in the year two thousand twenty all parts of the world, for example, revised according to Chinese Ministry of Industry and Information
《Passenger Car Fuel Consumption Standard consumption limit value》With《Passenger Car Fuel Consumption Standard consumption evaluation method and index》, to 2020, all enterprises of China
The passenger car average fuel consumption of industry production must be down to 5.0 liters/100 kilometers, every kilometer of CO2 emissions be less than 117g.European Union
New carbon emission laws and regulations requirement to 2020, the passenger car average fuel consumption of all vehicles enterprise production must be near 4.0 liters/100 public
In, every kilometer of CO2 emissions are less than 95g.In face of such harsh oil consumption and CO2 emission standard, lean on merely
It is substantially impossible mission that the fuel efficiency of raising engine, which reaches emissions object, and automobile mixes change, pure electric vehicle is
Best-of-breed technology route.Pure electric vehicle is to reduce the ultimate aim of oil consumption and CO2 emission, but be limited to lithium ion battery into
The problems such as sheet, safety and course continuation mileage, automobile pure electric vehicle is difficult largely to popularize in a short time.Therefore, automobile mixes change (combustion
Oil turbine mixes with Li-ion batteries piles) it is one of most real at present, most effective approach for reducing oil consumption and carbon emission.
Automobile mixes change, this requires the Li-ion batteries piles in parallel with fuel engines to have to have very excellent work(
Rate performance, it is necessary to support instantaneous large-current charge/discharge, for recycle energy during automobile brake and for automobile accelerate,
Startup stage provides additional energy, and in instantaneous large-current charge/discharge, the Wen Sheng of battery core will be also controlled in reasonable water
It is flat.Therefore, just have to consider the conveyance capacity of each junction of battery core when power-type battery core designs, such as in power-type battery core
In we have to collector using thicker positive/negative, to increase the number of lug as far as possible, even use full lug
Structure, it is necessary to increase thickness of connection sheet etc. in head cover.For head cover using the power-type battery core of interior connection blade technolgy, top
Lid connection sheet after together with positive/negative tab welding, due to thickness is thicker and during each bending position uncertain meeting
The difficulty that bending enters shell is greatly increased, and then influences the efficiency of battery core assembling and the yields of battery core.Therefore, optimize connection sheet
With the structure of head cover, it is that head cover is used in the interior power-type battery core manufacturing process for connecting blade technolgy urgently to reduce connection sheet bending difficulty
One of problem to be solved.
Utility model content
To solve technical problem present in background technology, the utility model proposes a kind of interior connection sheets to carry fixed folding line
Lithium ion battery head cover.
The utility model proposes a kind of interior connection sheet carry the lithium ion battery head cover of fixed folding line, including：Head cover master
Body, the first connection sheet, the second connection sheet；
Closure body be equipped with along closure body length direction be distributed first in pole in pole and second, pole in first
Column is equipped with the first folding line groove, and pole is equipped with the second folding line groove, the first folding line groove and the second folding line groove along head cover master in second
Body length side upwardly extends；
First connection sheet is covered in first on pole, and the first connection sheet is included along head cover width direction sequentially connected the
One pole connecting portion, the first bending part, the first lug connecting portion, pole, which is fixed, in the first pole connecting portion and first connects
It connects, first bending part covers the first folding line groove；
Second connection sheet is covered in second on pole, and the second connection sheet is included along head cover width direction sequentially connected the
Two pole connecting portions, the second bending part, the second lug connecting portion, pole, which is fixed, in the second pole connecting portion and second connects
It connects, second bending part covers the second folding line groove.
Preferably, first bending part is equipped with the first recess and the second recess along the first folding line groove extending direction both ends,
Second bending part is equipped with third recess and the 4th recess along the second folding line groove extending direction both ends.
Preferably, the length of first folding line groove is L1, and the first lug connecting portion prolongs along first folding line groove
The width in direction is stretched for W1, and W1 ＞ L1, the length of second folding line groove is L2, and the second lug connecting portion is along described first
The width of folding line groove extending direction is W2, W2 ＞ L2.
Preferably, first bending part is equipped with the first pre- crease line coordinated with the first folding line groove, and described second is curved
Folding part is equipped with the second pre- crease line coordinated with the second folding line groove.
Preferably, the first pole connecting portion along the width of the first folding line groove extending direction for D1, D1=L1, institute
The width for stating the second pole connecting portion along the second folding line groove extending direction is D2, D2=L2.
Preferably, pole is welded and fixed in the first pole connecting portion and first, the second pole connecting portion and
Pole is welded and fixed in two.
Preferably, the first folding line groove and the second folding line groove are located along the same line.
In the utility model, the interior connection sheet that is proposed carries the lithium ion battery head cover of fixed folding line, on closure body
Equipped with two interior poles are distributed along closure body length direction, each interior pole is equipped with to be extended along closure body length direction
Folding line groove, connection sheet is covered on interior pole, and connection sheet is equipped with the bending part being correspondingly arranged with folding line groove and later stage punching
Swaging into the groove to bend inwards, i.e. folding line.The lithium ion of fixed folding line is carried by the interior connection sheet of above-mentioned optimization design
Battery cap, structural design optimization is reasonable, and the bending difficulty of interior connection sheet, reduces operation when effectively reducing lithium ion battery assembling
The degree of fatigue of employee, so as to greatly improve the efficiency of assembling；Meanwhile, it is capable to folding line position when ensuring each connection sheet bending
Optimal position is happened at, is further reduced the product rejection caused by interior connection sheet bending is unqualified.
Description of the drawings
Fig. 1 be the utility model proposes a kind of interior connection sheet carry fixed folding line lithium ion battery head cover head cover master
The structure diagram of body.
Fig. 2 be the utility model proposes a kind of interior connection sheet carry fixed folding line lithium ion battery head cover connection sheet
Structure diagram.
Fig. 3 be the utility model proposes a kind of interior connection sheet structure of lithium ion battery head cover for carrying fixed folding line show
It is intended to.
Specific embodiment
As shown in Figures 1 to 3, Fig. 1 be the utility model proposes a kind of interior connection sheet carry the lithium-ion electric of fixed folding line
The structure diagram of the closure body of pond head cover, Fig. 2 be the utility model proposes a kind of interior connection sheet carry fixed folding line
The structure diagram of the connection sheet of lithium ion battery head cover, Fig. 3 be the utility model proposes a kind of interior connection sheet with fix
The structure diagram of the lithium ion battery head cover of folding line.
Referring to figs. 1 to 3, the utility model proposes a kind of interior connection sheet carry the lithium ion battery head cover of fixed folding line,
Including：Closure body 1, the first connection sheet 2, the second connection sheet 3；
Closure body 1 be equipped with along 1 length direction of closure body be distributed first in pole 5 in pole 4 and second, first
Interior pole 4 is equipped with the first folding line groove 41, and pole 5 is equipped with the second folding line groove 51, the first folding line groove 41 and the second folding in second
Trace slot 51 extends along 1 length direction of closure body；
First connection sheet 2 is covered in first on pole 4, and the first connection sheet 2 includes being sequentially connected along head cover width direction
The first pole connecting portion, the first bending part, the first lug connecting portion, pole 4 is solid in the first pole connecting portion and first
Fixed connection, first bending part cover the first folding line groove 41；
Second connection sheet 3 is covered in second on pole 5, and the second connection sheet 3 includes being sequentially connected along head cover width direction
The second pole connecting portion, the second bending part, the second lug connecting portion, pole 5 is solid in the second pole connecting portion and second
Fixed connection, second bending part cover the second folding line groove 51.
In the present embodiment, the interior connection sheet proposed carries the lithium ion battery head cover of fixed folding line, on closure body
Equipped with two interior poles are distributed along closure body length direction, each interior pole is equipped with to be extended along closure body length direction
Folding line groove, connection sheet is covered on interior pole, and connection sheet is equipped with the bending part being correspondingly arranged with folding line groove.By above-mentioned excellent
The interior connection sheet for changing design carries the lithium ion battery head cover of fixed folding line, and structural design optimization is reasonable, effectively reduces lithium ion
The bending difficulty of interior connection sheet when battery assembles reduces the degree of fatigue of operation employee, so as to greatly improve the efficiency of assembling；Together
When, it can be ensured that folding line position during each connection sheet bending is happened at optimal position, is further reduced because of interior connection sheet
Product rejection caused by bending is unqualified.
In a specific embodiment, first bending part is equipped with the first recess along 41 extending direction both ends of the first folding line groove
With the second recess, second bending part is equipped with third recess and the 4th recess along 51 extending direction both ends of the second folding line groove, into
One step coordinates convenient for connection sheet with folding line groove carries out bending in bending part.
In the specific design method of connection chip size, the length of first folding line groove 41 is L1, first lug
The width of connecting portion along 41 extending direction of the first folding line groove is W1, and W1 ＞ L1, the length of second folding line groove 51 is L2,
The width of the second lug connecting portion along 41 extending direction of the first folding line groove is W2, W2 ＞ L2, is carried out convenient for bending part
Accurate bending；In further specific embodiment, the width of first folding line groove is W3, and the first recess is wide along closure body
The width for spending direction is W4, W4 ＞ W3；The width of second recess along closure body width direction is W5, W5 ＞ W3；Third recess
Width along closure body width direction is W6, W6 ＞ W3；The width of 4th recess along closure body width direction is W7, W7 ＞
W3, W4=W5=W6=W7.
In specific processing method, after connection sheet is fixed on interior pole, using punching press or other special installations,
Connection sheet in connection sheet and second in first is struck out what is bent inwards by one folding line groove and the second inside punching press of folding line groove location
Groove, to form fixed folding line, convenient for further reducing the difficulty of bending.
It is convenient for connection sheet accurate to go a step further, first bending part is equipped with the coordinated with the first folding line groove 41
One pre- crease line, second bending part are equipped with the second pre- crease line coordinated with the second folding line groove 51.
In further specific embodiment, the first pole connecting portion is along 41 extending direction of the first folding line groove
Width is D1, D1=L1, and the width of the second pole connecting portion along 51 extending direction of the second folding line groove is D2, D2=
L2。
In order to improve connection sheet and interior pole connection reliability, in other specific embodiments, first pole connects
Pole 4 is welded and fixed in socket part and first, and pole 5 is welded and fixed in the second pole connecting portion and second.
In other specific embodiments, the first folding line groove 41 and the second folding line groove 51 are located along the same line, convenient for group
Two connection sheets are bent simultaneously during dress, improve packaging efficiency and assembly precision.
The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of interior connection sheet carries the lithium ion battery head cover of fixed folding line, which is characterized in that including：Closure body (1),
A connecting piece (2), the second connection sheet (3)；
Closure body (1) be equipped with along closure body (1) length direction be distributed first in pole (5) in pole (4) and second,
Pole (4) is equipped with the first folding line groove (41) in first, and pole (5) is equipped with the second folding line groove (51), the first folding line in second
Slot (41) and the second folding line groove (51) extend along closure body (1) length direction；
First connection sheet (2) is covered on pole in first (4), and the first connection sheet (2) including connecting successively along head cover width direction
The first pole connecting portion, the first bending part, the first lug connecting portion connect, pole in the first pole connecting portion and first
(4) it is fixedly connected, first bending part covers the first folding line groove (41)；
Second connection sheet (3) is covered on pole in second (5), and the second connection sheet (3) including connecting successively along head cover width direction
The second pole connecting portion, the second bending part, the second lug connecting portion connect, pole in the second pole connecting portion and second
(5) it is fixedly connected, second bending part covers the second folding line groove (51).
2. interior connection sheet according to claim 1 carries the lithium ion battery head cover of fixed folding line, which is characterized in that described
First bending part is equipped with the first recess and the second recess, the second bending part edge along the first folding line groove (41) extending direction both ends
Second folding line groove (51) extending direction both ends are equipped with third recess and the 4th recess.
3. interior connection sheet according to claim 1 or 2 carries the lithium ion battery head cover of fixed folding line, which is characterized in that
The length of first folding line groove (41) is L1, and the first lug connecting portion is along the first folding line groove (41) extending direction
Width is W1, W1 ＞ L1, and the length of second folding line groove (51) is L2, and the second lug connecting portion is along first folding line
The width of slot (41) extending direction is W2, W2 ＞ L2.
4. interior connection sheet according to claim 3 carries the lithium ion battery head cover of fixed folding line, which is characterized in that described
The width of first pole connecting portion along the first folding line groove (41) extending direction is D1, D1=L1, and second pole connects
The width of portion along the second folding line groove (51) extending direction is D2, D2=L2.
5. interior connection sheet according to claim 3 carries the lithium ion battery head cover of fixed folding line, which is characterized in that described
First bending part is equipped with the first pre- crease line coordinated with the first folding line groove (41), and second bending part is equipped with and second
Second pre- crease line of folding line groove (51) cooperation.
6. interior connection sheet according to claim 1 carries the lithium ion battery head cover of fixed folding line, which is characterized in that described
Pole (4) is welded and fixed in first pole connecting portion and first, and pole (5) welding is solid in the second pole connecting portion and second
It is fixed.
7. interior connection sheet according to claim 1 carries the lithium ion battery head cover of fixed folding line, which is characterized in that first
Folding line groove (41) and the second folding line groove (51) are located along the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721316068.6U CN207489928U (en) | 2017-10-12 | 2017-10-12 | Lithium ion battery top cover with fixed crease on inner connecting sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721316068.6U CN207489928U (en) | 2017-10-12 | 2017-10-12 | Lithium ion battery top cover with fixed crease on inner connecting sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207489928U true CN207489928U (en) | 2018-06-12 |
Family
ID=62480170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721316068.6U Active CN207489928U (en) | 2017-10-12 | 2017-10-12 | Lithium ion battery top cover with fixed crease on inner connecting sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207489928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115064701A (en) * | 2022-05-20 | 2022-09-16 | 远景动力技术(江苏)有限公司 | Current collecting member and battery manufacturing method |
-
2017
- 2017-10-12 CN CN201721316068.6U patent/CN207489928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115064701A (en) * | 2022-05-20 | 2022-09-16 | 远景动力技术(江苏)有限公司 | Current collecting member and battery manufacturing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |