CN105679986B - A kind of production method of the compound confluence piece of cupro-nickel - Google Patents
A kind of production method of the compound confluence piece of cupro-nickel Download PDFInfo
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- CN105679986B CN105679986B CN201610044583.7A CN201610044583A CN105679986B CN 105679986 B CN105679986 B CN 105679986B CN 201610044583 A CN201610044583 A CN 201610044583A CN 105679986 B CN105679986 B CN 105679986B
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- Prior art keywords
- nickel
- copper strips
- cupro
- nickel strap
- confluence piece
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
-
- 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
Abstract
The invention discloses the production methods that a kind of cupro-nickel leads compound confluence piece, specifically include following steps：Step 1 prepares substrate；Step 2 carries out laser incising/film etching/punching press to substrate；Step 3, uniformly paving spills one layer of cored solder on the copper strips carved；Step 4, using the nickel strap and copper strips of the identical connection of clamp；Step 5 is brazed；Step 6, plating；Step 7, drying.The copper strips of needs and nickel strap are welded directly together by this method by the way of soldering, and production technology simplifies, and it is low to be reduced production cost, and each step is easily controllable, are reduced the generation of defective products, improve economic benefit.The electric conductivity energy consumption of the compound confluence piece of the cupro-nickel that this mode is produced, overall weight is light, and welding effect is good, and copper strips and nickel strap can be made to come into full contact with, and bladdery will not generate.
Description
Technical field
The present invention relates to battery technology fields, and in particular to a kind of production method of the compound confluence piece of cupro-nickel.
Background technique
Present electronics, electric equipment products battery in need a large amount of conductive connecting piece, need one by one to lead to conductive connecting piece
Cross the techniques such as patch, welding conductive connecting piece is placed in battery core, due to patch, weld two adjacent connection sheets when,
Weld seam is had in weld, the presence of weld seam will affect the connection sheet electric conductivity of entire battery pack, and the technique welded one by one is numerous
It is trivial, be easy to produce defective products, reduce benefit, due to the presence of weld seam, battery pack/group entire weight it is bigger, give the people
Bring some inconvenience.The connection sheet that need to be welded one by one there are aiming at the problem that, someone produces a kind of ambrose alloy composite plate now, will
Ambrose alloy composite plate etches the connection confluence piece to form needs, and the monolithic conductive performance of this confluence piece is good, and confluence piece is welded to
Technique in battery core becomes simply, to improve production efficiency, reduces the generation of defective products, but this ambrose alloy composite plate itself
Processing technology it is complicated, the cost of manufacture needed is high, it is difficult to be widely used to promote in enterprise.Between this, it would be desirable to research and develop one
Kind production technology is relatively easy, and production cost is low, the conductive connection confluence piece of good conductivity.
Summary of the invention
In order to solve the above-mentioned technical problem the present invention provides a kind of production method of compound confluence piece of cupro-nickel, this production
Method solves the technical problems such as existing production method complex process, electric conductivity difference at high cost, connection sheet.
A kind of production method of the compound confluence piece of cupro-nickel, specifically includes following steps：
Step 1 prepares substrate, and size as required cuts substrate, and the substrate is nickel strap and copper strips；
Step 2 needs to carry out laser incising/film etching/punching press to nickel strap and copper strips, by nickel strap and copper according to battery core
Band is carved into the shape of needs；
Step 3, uniformly paving spills one layer of cored solder on the copper strips carved, and the fusing point of cored solder is lower than the fusing point of substrate, nickel
Band is covered in cored solder, and nickel strap and copper strips are coincide by cored solder and connected；
Step 4, using the nickel strap and copper strips of the identical connection of clamp；
Step 5 welds nickel strap and copper strips by the way of soldering, specially send the nickel strap of clamping and copper strips
Entering soldering oven and carries out high temperature melt, after material to be brazed melts completely, material to be brazed welds nickel strap and copper strips after melting, to
It is cooled down after welding nickel strap and copper strips welding, forms the compound confluence piece of cupro-nickel after cooling；
Step 6, confluence piece compound to the cupro-nickel being brazed are electroplated；
Step 7, confluence piece compound to the cupro-nickel being electroplated are dried.
Preferably, the soldering oven is to integrate heating, welding, cooling structure.
Preferably, the cored solder of the step three is mixed by copper and silver, and the fusing point of cored solder is 750 DEG C -850
℃。
Preferably, the time of cored solder high temperature melt in soldering oven is more than or equal to 60min, and the temperature in oven is greater than pricker
The melting temperature of solder, less than the melting temperature of fusing point junior between both copper strips and nickel strap person.
Preferably, the time 65min of cored solder high temperature melt in soldering oven, the temperature in oven is 780 DEG C/800 DEG C/
820℃。
Preferably, the fixture includes two intermediate plates, and the area of the clamping face of two intermediate plates is more than or equal to nickel strap or copper
The area of band and fixture clamping face contact.
Preferably, nitrogen is filled in the cooling structure in the soldering oven.
Preferably, exhaust hole is had on the intermediate plate.
Preferably, the copper strips is with a thickness of 0.5mm-0.8mm, and the nickel strap is with a thickness of 0.1mm-0.2mm.
It is further preferred that the copper strips is with a thickness of 0.68mmm, the nickel strap is with a thickness of 0.2mm.
The present invention provides a kind of production method of compound confluence piece of cupro-nickel, and this method is by the way of soldering by needs
Copper strips and nickel strap are welded directly together, and heating, welding, cooling be integrated in soldering oven are completed, production procedure is reduced, raw
Production. art simplifies, and it is low to reduce production cost, and each step is easily controllable, reduces the generation of defective products, improves economic effect
Benefit.The electric conductivity energy consumption of the compound confluence piece of the cupro-nickel that this mode is produced, overall weight is light, alleviates battery pack/battery
The overall weight of group；The setting of exhaust hole on cooler environment and fixture, can be avoided soldering after cupro-nickel band between there are gas
Bubble, welding effect is good, and copper strips and nickel strap can be made to come into full contact with, and bladdery will not generate.
Detailed description of the invention
The cutting structural schematic diagram of the compound confluence piece of Fig. 1 cupro-nickel produced by the invention.
Specific embodiment
In order to allow those skilled in the art to more fully understand technical solution of the present invention, the present invention is made below further
It illustrates.
A kind of compound confluence piece of cupro-nickel as shown in Fig. 1, copper strips 1, nickel strap 2, cored solder 3.
The elementary production steps of the compound confluence piece of this cupro-nickel include：Substrate prepares, and laser incising/film etching/punching press is right
Substrate is melted, is welded, is cooled down, cooling, plating and drying.
The present invention provides a kind of production method of compound confluence piece of cupro-nickel, specifically includes following steps：
Step 1 prepares substrate, and size as required cuts substrate, and the substrate is nickel strap and copper strips, described
Copper strips is identical with the length and width dimensions of nickel strap, and the copper strips is with a thickness of 0.5mm-0.8mm, and the nickel strap is with a thickness of 0.1mm-
0.2mm, it is preferred that the copper strips is with a thickness of 0.68mmm, and the nickel strap is with a thickness of 0.2mm.；
Step 2 needs to carry out laser incising/film etching/punching press to nickel strap and copper strips, by nickel strap and copper according to battery core
Band is carved into the shape of needs；
Step 3, uniformly paving spills one layer of cored solder on the copper strips carved, and the fusing point of cored solder is lower than the fusing point of substrate, nickel
Band is covered in cored solder, and nickel strap and copper strips are coincide by cored solder and connected, and cored solder can be covered with nickel strap and copper strips after melting
Contact surface between the two；
Step 4, using the nickel strap and copper strips of the identical connection of clamp, the clamping force of fixture makes nickel strap, cored solder enough
It is clamped together with copper strips, the fixture includes two intermediate plates, has exhaust hole on intermediate plate, through-hole is uniformly arranged in folder
The setting of on piece, through-hole is enough to make the air between nickel strap and copper strips to be discharged, and the area of the clamping face of two intermediate plates of fixture is big
In the area for being equal to nickel strap or copper strips and fixture clamping face contact；
Step 5 welds nickel strap and copper strips by the way of soldering, specially send the nickel strap of clamping and copper strips
Enter soldering oven progress high temperature melt to weld nickel strap and copper strips after material to be brazed melts completely, nickel strap and copper strips to be welded
It is cooled down after welding, forms cupro-nickel composite band after cooling；Cored solder is mixed by copper and silver, and the fusing point of cored solder is 750
℃-800℃.The time that cored solder toasts thawing in oven is more than or equal to 60min, and the temperature in oven is greater than the molten of cored solder
Point temperature, less than the melting temperature of fusing point junior between both copper strips and nickel strap person.Preferably, cored solder is toasted in oven
The time of thawing is 65min, and the temperature in oven is 780 DEG C/800 DEG C/820 DEG C.In cooling structure in the soldering oven
It is filled with nitrogen.The soldering oven is to integrate heating, welding, cooling structure.
Step 6, confluence piece compound to the cupro-nickel being brazed are electroplated；
Step 7, confluence piece compound to the cupro-nickel being electroplated are dried.
The substrate can be the combination of two of nickel strap, three kinds of copper strips, aluminium strip materials, that is, form the compound confluence of cupro-nickel
The compound confluence piece of piece, aluminium nickel, Copper-Aluminum compound confluence piece, the thickness of three kinds of substrates, which can according to need, to be determined.
The present invention provides a kind of production method of compound confluence piece of cupro-nickel, and this method is by the way of soldering by needs
Copper strips and nickel strap are welded directly together, and heating, welding, cooling be integrated in soldering oven are completed, production procedure is reduced, raw
Production. art simplifies, and it is low to reduce production cost, and each step is easily controllable, reduces the generation of defective products, improves economic effect
Benefit.The electric conductivity energy consumption of the compound confluence piece of the cupro-nickel that this mode is produced, overall weight is light, alleviates battery pack/battery
The overall weight of group；The setting of exhaust hole on cooler environment and fixture, can be avoided soldering after cupro-nickel band between there are gas
Bubble, welding effect is good, and copper strips and nickel strap can be made to come into full contact with, and bladdery will not generate.
The above are the preferable implementations of the present invention, it should be noted that without departing substantially from spirit of that invention and its essence
In the case of, those skilled in the art make various corresponding changes and modifications in accordance with the present invention, but these change
It all should fall within the scope of protection of the appended claims of the present invention with deformation.
Claims (8)
1. a kind of production method of the compound confluence piece of cupro-nickel, which is characterized in that specifically include following steps：
Step 1 prepares substrate, and size as required cuts substrate, and the substrate is nickel strap and copper strips；
Step 2 needs to carry out laser incising/film etching/punching press to nickel strap and copper strips, nickel strap and copper strips is carved according to battery core
At the shape of needs；
Step 3, uniformly paving spills one layer of cored solder on the copper strips carved, and the fusing point of cored solder is lower than the fusing point of substrate, and nickel strap covers
It covers in cored solder, nickel strap and copper strips are coincide by cored solder and connected；
Step 4, using the nickel strap and copper strips of the identical connection of clamp；
Step 5 welds nickel strap and copper strips by the way of soldering, and the nickel strap of clamping and copper strips are specially sent into pricker
Brazier carries out high temperature melt and welds nickel strap and copper strips after material to be brazed melts completely, and nickel strap to be welded and copper strips weld
After cooled down, form the compound confluence piece of cupro-nickel after cooling；
Step 6, confluence piece compound to the cupro-nickel being brazed are electroplated；
Step 7, confluence piece compound to the cupro-nickel being electroplated are dried；
The soldering oven is to integrate heating, welding, cooling structure；
The cored solder of the step three is mixed by copper and silver, and the fusing point of cored solder is 750 DEG C -850 DEG C.
2. the production method of the compound confluence piece of cupro-nickel according to claim 1, it is characterised in that：Cored solder is in soldering oven
The time of high temperature melt is more than or equal to 60min, and the temperature in oven is greater than the melting temperature of cored solder, is less than copper strips and nickel strap two
The melting temperature of fusing point junior between person.
3. the production method of the compound confluence piece of cupro-nickel according to claim 2, it is characterised in that：Cored solder is in soldering oven
The time 65min of high temperature melt, the temperature in oven are 780 DEG C/800 DEG C/820 DEG C.
4. the production method of the compound confluence piece of cupro-nickel according to claim 3, it is characterised in that：The fixture includes two
A intermediate plate, the area of the clamping face of two intermediate plates are more than or equal to the area of nickel strap or copper strips and fixture clamping face contact.
5. the production method of the compound confluence piece of cupro-nickel according to claim 4, it is characterised in that：In the soldering oven
Nitrogen is filled in cooling structure.
6. the production method of the compound confluence piece of cupro-nickel according to claim 5, it is characterised in that：It is had on the intermediate plate
Exhaust hole.
7. the production method of the compound confluence piece of described in any item cupro-nickels according to claim 1 ~ 5, it is characterised in that：The copper
Tape thickness is 0.5mm-0.8mm, and the nickel strap is with a thickness of 0.1mm-0.2mm.
8. the production method of the compound confluence piece of cupro-nickel according to claim 7, it is characterised in that：The copper strips with a thickness of
0.68mm, the nickel strap is with a thickness of 0.12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610044583.7A CN105679986B (en) | 2016-01-25 | 2016-01-25 | A kind of production method of the compound confluence piece of cupro-nickel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610044583.7A CN105679986B (en) | 2016-01-25 | 2016-01-25 | A kind of production method of the compound confluence piece of cupro-nickel |
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| Publication Number | Publication Date |
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| CN105679986A CN105679986A (en) | 2016-06-15 |
| CN105679986B true CN105679986B (en) | 2018-11-27 |
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| CN201610044583.7A Active CN105679986B (en) | 2016-01-25 | 2016-01-25 | A kind of production method of the compound confluence piece of cupro-nickel |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108091812A (en) * | 2017-12-15 | 2018-05-29 | 贤阳汇聚金属科技（苏州）有限公司 | A kind of battery bus and its manufacture craft |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202268424U (en) * | 2011-09-26 | 2012-06-06 | 比亚迪股份有限公司 | Battery pack |
| CN102489871A (en) * | 2011-12-05 | 2012-06-13 | 贵研铂业股份有限公司 | Welding method of copper and copper alloy |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450408A (en) * | 2007-12-04 | 2009-06-10 | 王绍军 | Copper and stainless-steel nickel base vacuum brazing technique |
| JP5302751B2 (en) * | 2009-04-21 | 2013-10-02 | 株式会社デンソー | Aluminum alloy clad material for heat exchanger |
| CN105014306A (en) * | 2014-04-29 | 2015-11-04 | 谢振华 | Conductive composite metal sheet between lugs in batteries or batteries and machining method |
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2016
- 2016-01-25 CN CN201610044583.7A patent/CN105679986B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202268424U (en) * | 2011-09-26 | 2012-06-06 | 比亚迪股份有限公司 | Battery pack |
| CN102489871A (en) * | 2011-12-05 | 2012-06-13 | 贵研铂业股份有限公司 | Welding method of copper and copper alloy |
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| CN105679986A (en) | 2016-06-15 |
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