CN205723741U - Cell and battery modules - Google Patents
Cell and battery modules Download PDFInfo
- Publication number
- CN205723741U CN205723741U CN201620483155.XU CN201620483155U CN205723741U CN 205723741 U CN205723741 U CN 205723741U CN 201620483155 U CN201620483155 U CN 201620483155U CN 205723741 U CN205723741 U CN 205723741U
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- China
- Prior art keywords
- cell
- pole
- witness marker
- hole
- shrinkage pool
- Prior art date
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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
This utility model provides a kind of cell and battery modules.Cell of the present utility model is provided with pole, and pole is provided with witness marker.Battery modules of the present utility model includes: multiple above-mentioned cells, sets gradually along orientation；Connect sheet, electrically connect with the pole of corresponding cell.Connect sheet and there is through hole；Witness marker on the pole of each cell is relative with corresponding through hole and for the location of outside weldings equipment.When being welded on the cell of correspondence by connection sheet, outside weldings equipment can be detected the witness marker on pole, and is welded on pole by connection sheet on the basis of witness marker by through hole；On the basis of welding process is the witness marker on pole, the most compared with prior art, the position of welding will not be affected by connecting the positional fluctuation of sheet, it is possible to effectively prevents from being welded to other position of cell, avoid cell to be burnt, improve the qualification rate of battery modules.
Description
Technical field
This utility model relates to field of batteries, particularly relates to a kind of cell and battery modules.
Background technology
Consuming and the most serious haze pollution problem for solving the domestic energy height of puzzlement, automobile represents to electronic market
Going out the flourish impetus, and limit electric motor car and can not one of the reason of large-scale popularization yield poorly exactly, product quality is difficult to protect
Card.
Existing lithium ion battery module is assembled by multiple batteries, comprising: multiple battery stacks gradually, the pole of battery
Post connects sheet serial or parallel connection by aluminum, to form set of cells.
Laser welding is the Novel welding method grown up the nearest more than ten years, and energy density is high, and heat input is low, thermal deformation
Measure little, fusion zone and heat affected area is narrow and fusion penetration is big；Laser can transmit at a distance with optical fibers, so that technique is fitted
Answering property is good, coupled computer and mechanical hand, can realize the advantages such as the automatization of welding process and accurate control.
But existing connection sheet and the following defect of pole laser welding: mesh front connecting piece with pole laser welding is
First the through hole positioning welding position connected on sheet is caught but by the fluctuation of battery core thickness deviation and connection sheet rigging position ripple by CCD
Dynamic impact, the welding position concordance every time captured is poor, often has laser welding to deflect away from outside pole and causes being soldered to battery, causes whole
Individual module is scrapped, therefore uses the through hole connected on sheet location to there is the risk that welding is scrapped, and causes producing the excellent rate of line low.
Utility model content
In view of problem present in background technology, the purpose of this utility model is to provide a kind of cell and battery mould
Group, pole can be accurately positioned, it is to avoid the battery modules that welding track deviation causes occur by it when connecting sheet and welding with pole
Scrap, improve the qualification rate of battery modules.
To achieve these goals, in first aspect, this utility model provides a kind of cell, described cell
Being provided with pole, wherein, the pole of cell is provided with witness marker.
To achieve these goals, in second aspect, this utility model provides a kind of battery modules, comprising: multiple
Cell described in this utility model first aspect, sets gradually along orientation；And connection sheet, with corresponding cell
Pole electrical connection.Wherein, connect sheet and there is through hole；Witness marker on the pole of each cell is relative with corresponding through hole
And for the location of outside weldings equipment.
The beneficial effects of the utility model are as follows:
According in cell of the present utility model and battery modules, it is being welded to corresponding cell by connecting sheet
Time upper, outside weldings equipment can detect the witness marker on pole by through hole, and will connect on the basis of witness marker
Sheet is welded on pole；On the basis of in welding process being the witness marker on pole, the most compared with prior art, weldering
The position connect will not be affected by connecting the positional fluctuation of sheet, it is possible to effectively prevents from being welded to other position of cell
Put, it is to avoid cell is burnt, improve the qualification rate of battery modules.
Accompanying drawing explanation
Fig. 1 is the schematic diagram according to battery modules of the present utility model；
Fig. 2 is the top view according to cell of the present utility model；
Fig. 3 is the sectional view that Fig. 2 A-A along the line makes；
Fig. 4 is the schematic diagram connecting sheet according to battery modules of the present utility model.
Wherein, description of reference numerals is as follows:
1 cell 3 end plate
11 pole 4 side plates
111 witness marker D orientations
2 connect sheet F fore-and-aft direction
21 through holes
Detailed description of the invention
Describe cell of the present utility model and battery modules with reference to the accompanying drawings in detail.
First the cell of this utility model first aspect is described.
Referring to figs. 1 through Fig. 4, it is provided with pole 11, wherein, the pole of cell 1 according to cell 1 of the present utility model
11 are provided with witness marker 111.
According in cell 1 of the present utility model, owing to pole 11 is provided with witness marker 111, therefore, outside sets
The standby position that pole 11 can be detected by witness marker 111 accurately.
In the embodiment according to cell 1 of the present utility model, with reference to Fig. 3, witness marker 111 is shrinkage pool.
In the embodiment according to cell 1 of the present utility model, described shrinkage pool be circular shrinkage hole, square shrinkage pool,
Oval shrinkage pool or cone shrinkage pool, preferred conical shrinkage pool.
In the embodiment according to cell 1 of the present utility model, described cone shrinkage pool a diameter of 2mm～
6mm, preferably 3mm；The degree of depth of described cone shrinkage pool is 1mm～4mm, preferably 2mm.
In the embodiment according to cell 1 of the present utility model, witness marker 111 is boss.
In the embodiment according to cell 1 of the present utility model, described boss be round boss, square boss,
Ellipse around boss or cone boss, preferred conical boss.
In the embodiment according to cell 1 of the present utility model, witness marker 111 is markings or identifier.
In the embodiment according to cell 1 of the present utility model, witness marker 111 is with district own with pole 11
The color do not opened.
In the embodiment according to cell 1 of the present utility model, described color is redness, yellow, blueness, green
Color, purple or black, preferably black.
Secondly the battery modules of this utility model second aspect is described.
Referring to figs. 1 through Fig. 4, include according to battery modules of the present utility model: described in multiple this utility model first aspects
Cell 1, set gradually along orientation D；And connect sheet 2, electrically connect with the pole 11 of corresponding cell 1.Its
In, connect sheet 2 and there is through hole 21；Witness marker 111 on the pole 11 of each cell 1 is relative with corresponding through hole 21 and uses
Location in outside weldings equipment.
According in battery modules of the present utility model, when sheet 2 will be connected be welded on the cell 1 of correspondence, outward
Portion's welding equipment can detect the witness marker 111 on pole 11 by through hole 21, and will even on the basis of witness marker 111
Contact pin 2 is welded on pole 11；On the basis of welding process is the witness marker 111 on pole 11, therefore with existing
Technology is compared, and the position of welding will not be affected by connecting the positional fluctuation of sheet 2, it is possible to effectively prevents from being welded to monomer electricity
Other position in pond 1, it is to avoid cell 1 is burnt, improves the qualification rate of battery modules.
According in battery modules of the present utility model, witness marker 111 only need to be exposed by through hole 21, it is simple to outside
Welding equipment is able to detect that witness marker 111.
In the embodiment according to battery modules of the present utility model, with reference to Fig. 1, witness marker 111 and through hole 21
Geometric center is coaxial.Witness marker 111 can not also be coaxial with the geometric center of through hole 21.
In the embodiment according to battery modules of the present utility model, through hole 21 is circular port, square opening or ellipse
Hole, circular hole.
In the embodiment according to battery modules of the present utility model, a diameter of 2mm～10mm of described circular port, excellent
Select 6mm.
In the embodiment according to battery modules of the present utility model, with reference to Fig. 1, described battery modules also includes: two
Individual end plate 3, is respectively arranged at the two ends of the orientation D of the plurality of cell 1；And two side plates 4, it is respectively arranged at
The both sides of direction F before and after the plurality of cell 1.
In the embodiment according to battery modules of the present utility model, use ccd image sensor to witness marker 111
Position.Take pictures capture function with CCD on laser welding apparatus, for finding the position of required welding, its operation principle
For: Charge Coupled Device (CCD) CCD image sensor (Charge Coupled Device), it uses partly leading of a kind of ISO
Body material is made, and light can be transformed into electric charge, is converted into digital signal by analog-digital converter chip, and digital signal is through overvoltage
Preserved by flash memory or the built-in hard disk card of camera internal after contracting, thus easily data can be transferred to meter
Calculation machine, and by means of the process means of computer, revise image with imagination as required.CCD is made up of many photosensitive units,
Generally in units of mega pixel.When CCD surface is irradiated by light, electric charge can be reflected on assembly by individual photosensitive unit,
Signal produced by all of photosensitive unit is added together, and just constitutes the picture that a width is complete；On the pole 11 of cell 1
It is provided with witness marker 111, can significantly show in CCD, through computerized algorithm, witness marker can be found accurately
The geometric center of 111, then datum mark the tack weld position of welding track is calculated with this geometric center.
Claims (15)
1. a cell (1), is provided with pole (11)；
It is characterized in that,
The pole (11) of cell (1) is provided with witness marker (111).
Cell the most according to claim 1 (1), it is characterised in that witness marker (111) is shrinkage pool.
Cell the most according to claim 2 (1), it is characterised in that described shrinkage pool be circular shrinkage hole, square shrinkage pool,
Oval shrinkage pool or cone shrinkage pool.
Cell the most according to claim 3 (1), it is characterised in that described shrinkage pool is cone shrinkage pool.
Cell the most according to claim 4 (1), it is characterised in that
A diameter of 2mm～6mm of described cone shrinkage pool；
The degree of depth of described cone shrinkage pool is 1mm～4mm.
Cell the most according to claim 5 (1), it is characterised in that a diameter of 3mm of described cone shrinkage pool.
7. according to the cell (1) described in claim 5 or 6, it is characterised in that the degree of depth of described cone shrinkage pool is 2mm.
Cell the most according to claim 1 (1), it is characterised in that witness marker (111) is boss.
Cell the most according to claim 8 (1), it is characterised in that described boss be round boss, square boss,
Ellipse around boss or cone boss.
Cell the most according to claim 9 (1), it is characterised in that described boss is cone boss.
11. cells according to claim 1 (1), it is characterised in that witness marker (111) is markings or mark
Symbol.
12. 1 kinds of battery modules, including:
Multiple according to the cell (1) according to any one of claim 1-11, set gradually along orientation (D)；And
Connect sheet (2), electrically connect with the pole (11) of corresponding cell (1)；
It is characterized in that,
Connect sheet (2) and there is through hole (21)；
Witness marker (111) on the pole (11) of each cell (1) is relative with corresponding through hole (21) and welds for outside
Connect the location of equipment.
13. battery modules according to claim 12, it is characterised in that witness marker (111) and the geometry of through hole (21)
Central coaxial.
14. battery modules according to claim 12, it is characterised in that through hole (21) is circular port, square opening or ellipse
Shape hole.
15. battery modules according to claim 14, it is characterised in that through hole (21) is circular port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483155.XU CN205723741U (en) | 2016-05-24 | 2016-05-24 | Cell and battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483155.XU CN205723741U (en) | 2016-05-24 | 2016-05-24 | Cell and battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205723741U true CN205723741U (en) | 2016-11-23 |
Family
ID=57299587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620483155.XU Active CN205723741U (en) | 2016-05-24 | 2016-05-24 | Cell and battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205723741U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020215939A1 (en) * | 2019-04-26 | 2020-10-29 | 宁德时代新能源科技股份有限公司 | Battery module, secondary battery and top cover assembly thereof |
| CN112713341A (en) * | 2020-12-31 | 2021-04-27 | 中航锂电（洛阳）有限公司 | Cover plate assembly, preparation method thereof, battery and battery module |
| CN113790673A (en) * | 2021-11-16 | 2021-12-14 | 江苏时代新能源科技有限公司 | Battery, power utilization device, welding deviation detection device and method |
| CN115842098A (en) * | 2022-08-05 | 2023-03-24 | 宁德时代新能源科技股份有限公司 | Pole piece, battery monomer, battery, electric device and pole piece manufacturing device |
-
2016
- 2016-05-24 CN CN201620483155.XU patent/CN205723741U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020215939A1 (en) * | 2019-04-26 | 2020-10-29 | 宁德时代新能源科技股份有限公司 | Battery module, secondary battery and top cover assembly thereof |
| US11258143B2 (en) | 2019-04-26 | 2022-02-22 | Contemporary Amperex Technology Co., Limited | Battery module, secondary battery and cap assembly thereof |
| CN112713341A (en) * | 2020-12-31 | 2021-04-27 | 中航锂电（洛阳）有限公司 | Cover plate assembly, preparation method thereof, battery and battery module |
| CN112713341B (en) * | 2020-12-31 | 2023-04-28 | 中创新航科技股份有限公司 | Cover plate assembly and preparation method thereof, battery and battery module |
| CN113790673A (en) * | 2021-11-16 | 2021-12-14 | 江苏时代新能源科技有限公司 | Battery, power utilization device, welding deviation detection device and method |
| CN113790673B (en) * | 2021-11-16 | 2022-04-01 | 江苏时代新能源科技有限公司 | Battery, power utilization device, welding deviation detection device and method |
| CN115842098A (en) * | 2022-08-05 | 2023-03-24 | 宁德时代新能源科技股份有限公司 | Pole piece, battery monomer, battery, electric device and pole piece manufacturing device |
| CN115842098B (en) * | 2022-08-05 | 2024-01-09 | 宁德时代新能源科技股份有限公司 | Pole piece, battery monomer, battery and electricity utilization device and pole piece manufacturing device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |