CN204809293U - Stay knot that covers in compound area of aluminium nickel constructs and welded structure with protecting component pin thereof - Google Patents

Stay knot that covers in compound area of aluminium nickel constructs and welded structure with protecting component pin thereof Download PDF

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Publication number
CN204809293U
CN204809293U CN201520347578.4U CN201520347578U CN204809293U CN 204809293 U CN204809293 U CN 204809293U CN 201520347578 U CN201520347578 U CN 201520347578U CN 204809293 U CN204809293 U CN 204809293U
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China
Prior art keywords
nickel dam
nickel
aluminium
laminating
composite band
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CN201520347578.4U
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Chinese (zh)
Inventor
李扬
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Dongguan Amperex Technology Ltd
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Dongguan Amperex Technology Ltd
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Priority to CN201520347578.4U priority Critical patent/CN204809293U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model belongs to the technical field of the battery, the stay knot that covers in the compound area of in particular to aluminium nickel constructs, fit with covering including the nickel dam the aluminium lamination of nickel dam, the nickel dam include first nickel dam and with second nickel dam as an organic whole is connected to first nickel dam, the aluminium lamination covers and fits the second nickel dam. Weld through the first nickel dam with above -mentioned structure and protecting component pin, promoted excellent rate of welding and stability, increased welding strength, in addition, cancelled among the prior art the compound area of aluminium nickel " U " the folding process of type, eliminated " U " the risk in clearance appears in the folding department of type, has improved the efficiency and welding quality of whole process. Furthermore, the utility model also discloses a welded structure of stay knot structure and protecting component pin is covered to the aforesaid.

Description

The laminating structure of aluminium nickel composite band and the Welding Structure with protection component pin thereof
Technical field
The utility model belongs to cell art, particularly a kind of laminating structure of aluminium nickel composite band and the Welding Structure with protection component pin thereof.
Background technology
In existing technology, as shown in Figure 1, aluminium nickel composite band 4 ' comprises nickel dam 2 ' and aluminium lamination 3 ', described aluminium lamination 3 ' comprises the first aluminium lamination 5 ' and the second aluminium lamination 6 ', when welding with protection component pin (copper sheet or nickel sheet) 1 ' in aluminium nickel composite band 4 ', in order to ensure enough weld strengths and avoid resistance welder seating face to pile up the residual of aluminium lamination, the nickel dam 2 ' of " U " type folded sides of aluminium nickel composite band 4 ' need be contacted with protection component pin 1 ', but aluminium nickel composite band 4 ' carry out " U " type fold time, the very difficult control in gap between first aluminium lamination 5 ' and the second aluminium lamination 6 ', if there is gap, current lead-through can be caused abnormal when the upper and lower butt welding of resistance, and initiation rosin joint, importantly can there is the high problem of rosin joint ratio when battery core protection component and brace laser welding, make in production process, there is welding quality hidden danger.In addition, the aluminium nickel composite band 4 ' that band " U " type folds needs to increase bending process after punching molding, adds the cost of formed product.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and a kind of laminating structure of aluminium nickel composite band and the Welding Structure with protection component pin thereof are provided, when aluminium nickel composite band is welded with battery core protection component pin, promote the excellent rate of welding and stability, increase weld strength; In addition, eliminate " U " type folding process of aluminium nickel composite band in prior art, eliminate the risk that gap appears in " U " type burst, improve efficiency and the welding quality of whole operation.
For achieving the above object, the utility model adopts following technical scheme:
A laminating structure for aluminium nickel composite band, comprise nickel dam and laminating in the aluminium lamination of described nickel dam, the second nickel dam that described nickel dam comprises the first nickel dam and connects as one with described first nickel dam, described aluminium lamination is laminating in described second nickel dam.
The beneficial effects of the utility model are: the utility model comprises nickel dam and laminating in the aluminium lamination of described nickel dam, and the second nickel dam that described nickel dam comprises the first nickel dam and connects as one with described first nickel dam, described aluminium lamination is laminating in described second nickel dam.By the first nickel dam of said structure is welded with protection component pin, improve the excellent rate of welding and stability, increase weld strength; In addition, eliminate " U " type folding process of aluminium nickel composite band in prior art, eliminate the risk that gap appears in " U " type burst, improve efficiency and the welding quality of whole operation.
One as the laminating structure of aluminium nickel composite band described in the utility model is improved, and described nickel dam and the laminating aluminium lamination in described nickel dam are combined to form " one " character form structure.
One as the laminating structure of aluminium nickel composite band described in the utility model is improved, and the thickness of described second nickel dam is 1/2 ~ 4/5 of the thickness of described first nickel dam.If the thickness of the second nickel dam is greater than 4/5 of the first nickel layer thickness, the thickness of aluminium lamination can be made too thin, and when welding with battery core aluminium pole ears, welding easily penetrates aluminium lamination, causes weld strength to decline; If the thickness of the second nickel dam is less than 1/2 of the first nickel layer thickness, the thickness of aluminium lamination can be made too thick, because aluminium has the fast characteristic of heat conduction, thus make energy be not easy to be concentrated, the appearance of rosin joint can be caused.
One as the laminating structure of aluminium nickel composite band described in the utility model is improved, and the thickness of described second nickel dam is 2/3 of the thickness of described first nickel dam.
One as the laminating structure of aluminium nickel composite band described in the utility model is improved, the shape of described aluminium lamination and the mating shapes of described second nickel dam, and the thickness of described aluminium lamination is less than or equal to the thickness of described second nickel dam.If aluminum layer thickness is greater than the second nickel layer thickness, when aluminium lamination welds with battery core aluminium pole ears, because aluminium has the fast characteristic of heat conduction, thus make energy be not easy to be concentrated, the appearance of rosin joint can be caused.
One as the laminating structure of aluminium nickel composite band described in the utility model is improved, and the thickness sum of described second nickel dam and described aluminium lamination equals the thickness of described first nickel dam.
One as the laminating structure of aluminium nickel composite band described in the utility model is improved, and described aluminium lamination is laminating in described second nickel dam by cold-rolling process.
One as the laminating structure of aluminium nickel composite band described in the utility model is improved, and described aluminium lamination is laminating in described second nickel dam by hot rolling technology.
The utility model provides a kind of laminating structure of aluminium nickel composite band and the Welding Structure of protection component pin; the laminating structure of described aluminium nickel composite band is the laminating structure that above-mentioned various mode realizes, and described first nickel dam is welded with protection component pin by laser welding mode.
Improve as welded one described in the utility model, the laminating structure of described aluminium nickel composite band is above-mentioned laminating structure, and described first nickel dam is welded with protection component pin by resistance welded mode.
Accompanying drawing explanation
Fig. 1 is aluminium nickel composite band and protection component pin welded structure schematic diagram in prior art.
Wherein: 1 '-protection component pin, 2 '-nickel dam, 3 '-aluminium lamination, 4 '-aluminium nickel composite band, 5 '-the first aluminium lamination, 6 '-the second aluminium lamination.
Fig. 2 is laminating structure and the protection component pin welded structure schematic diagram of aluminium nickel composite band in the utility model.
Wherein: 1-protection component pin, 2-nickel dam, 21-first nickel dam, 22-second nickel dam, 3-aluminium lamination.
Embodiment
Below in conjunction with embodiment and Figure of description, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
embodiment 1,as shown in Figure 2, a kind of laminating structure of aluminium nickel composite band, comprise nickel dam 2 and laminating in the aluminium lamination of nickel dam 2, the second nickel dam 22 that nickel dam 2 comprises the first nickel dam 21 and connects as one with the first nickel dam 21, aluminium lamination 3 is laminating in the second nickel dam 22.By being welded with protection component pin 1 by above-mentioned first nickel dam 21, avoid the problem that prior art " U " type burst clearance control is bad, effectively improve with protection component pin 1 weld excellent rate, and improve Product jointing quality; The utility model has aluminium lamination 3 the welding region (the second nickel dam 22) of non-protected component pin 1 is laminating, ensures the weld strength with battery core aluminium pole ears like this, and can realize the result of use same with prior art.
Preferably, nickel dam 2 and the laminating aluminium lamination 3 in nickel dam 2 are combined to form " one " character form structure, such a construction reduces " U " type folding process after aluminium nickel composite band punching molding, and improve the utilance of material, significantly reduce Material Cost.
Usually, the thickness of the second nickel dam 22 is 1/2 ~ 4/5 of the thickness of the first nickel dam 21, and the thickness of the second nickel dam 22 is set to 2/3 of the thickness of the first nickel dam 21 by present embodiment.
Preferably, the shape of aluminium lamination 3 and the mating shapes of the second nickel dam 22, and the thickness of aluminium lamination 3 is less than or equal to the thickness of the second nickel dam 22.
Preferably, the thickness sum of the second nickel dam 22 and aluminium lamination 3 equals the thickness of the first nickel dam 21.Aluminium lamination 3 is laminating in the second nickel dam 22 by cold-rolling process, owing to adopting cold-rolling process to make metal interface not have bubble, improves the quality of aluminium nickel composite band.Aluminium lamination 3 also can be laminating in the second nickel dam 22 by hot rolling technology, and owing to adopting hot rolling technology, only need preheated roller just to achieve the laminating of aluminium lamination 3 and the second nickel dam 22, technical requirement is relatively low.
embodiment 2,as shown in Figure 2, a kind of laminating structure of aluminium nickel composite band and the Welding Structure of protection component pin 1, the laminating structure of aluminium nickel composite band is the laminating structure of embodiment 1, and the first nickel dam 21 is welded with protection component pin 1 by laser welding mode.Because nickel dam 2 and the laminating aluminium lamination 3 in nickel dam 2 are combined to form " one " character form structure, and the weld interface of " one " character form structure is quite smooth, be conducive to adopting laser welding mode to weld, the weld strength in addition due to laser welding is better, improves the excellent rate of welding.
embodiment 3,as shown in Figure 2; with embodiment 2 unlike: the first nickel dam 21 of present embodiment is welded with protection component pin 1 by resistance welded mode; " one " character form structure is also conducive to adopting resistance welded mode to weld; there is gap in the intermediate interface that efficiently avoid because of prior art " U " shape structure; adopt resistance welded that current lead-through can be caused abnormal, cause the phenomenon of rosin joint.
Other structure is identical with the structure of embodiment 2, repeats no more here.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to above-mentioned embodiment, and any apparent improvement of every those skilled in the art done by basis of the present utility model, replacement or modification all belong to protection range of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.

Claims (10)

1. the laminating structure of aluminium nickel composite band, is characterized in that: comprise nickel dam and laminating in the aluminium lamination of described nickel dam, the second nickel dam that described nickel dam comprises the first nickel dam and connects as one with described first nickel dam, described aluminium lamination is laminating in described second nickel dam.
2. the laminating structure of aluminium nickel composite band according to claim 1, is characterized in that: described nickel dam and the laminating aluminium lamination in described nickel dam are combined to form " one " character form structure.
3. the laminating structure of aluminium nickel composite band according to claim 1 and 2, is characterized in that: the thickness of described second nickel dam is 1/2 ~ 4/5 of the thickness of described first nickel dam.
4. the laminating structure of aluminium nickel composite band according to claim 3, is characterized in that: the thickness of described second nickel dam is 2/3 of the thickness of described first nickel dam.
5. the laminating structure of aluminium nickel composite band according to claim 1, is characterized in that: the shape of described aluminium lamination and the mating shapes of described second nickel dam, and the thickness of described aluminium lamination is less than or equal to the thickness of described second nickel dam.
6. the laminating structure of aluminium nickel composite band according to claim 1, is characterized in that: the thickness sum of described second nickel dam and described aluminium lamination equals the thickness of described first nickel dam.
7. the laminating structure of aluminium nickel composite band according to claim 1, is characterized in that: described aluminium lamination is laminating in described second nickel dam by cold-rolling process.
8. the laminating structure of aluminium nickel composite band according to claim 1, is characterized in that: described aluminium lamination is laminating in described second nickel dam by hot rolling technology.
9. the laminating structure of aluminium nickel composite band and the Welding Structure of protection component pin; it is characterized in that: the laminating structure of described aluminium nickel composite band is the laminating structure described in any one of claim 1 ~ 8, and described first nickel dam is welded with protection component pin by laser welding mode.
10. the laminating structure of aluminium nickel composite band and the Welding Structure of protection component pin; it is characterized in that: the laminating structure of described aluminium nickel composite band is the laminating structure described in any one of claim 1 ~ 8, and described first nickel dam is welded with protection component pin by resistance welded mode.
CN201520347578.4U 2015-05-27 2015-05-27 Stay knot that covers in compound area of aluminium nickel constructs and welded structure with protecting component pin thereof Active CN204809293U (en)

Priority Applications (1)

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CN201520347578.4U CN204809293U (en) 2015-05-27 2015-05-27 Stay knot that covers in compound area of aluminium nickel constructs and welded structure with protecting component pin thereof

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Application Number Priority Date Filing Date Title
CN201520347578.4U CN204809293U (en) 2015-05-27 2015-05-27 Stay knot that covers in compound area of aluminium nickel constructs and welded structure with protecting component pin thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109792023A (en) * 2016-09-26 2019-05-21 日产自动车株式会社 Group battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109792023A (en) * 2016-09-26 2019-05-21 日产自动车株式会社 Group battery
CN109792023B (en) * 2016-09-26 2022-05-17 远景Aesc日本有限公司 Assembled battery

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