CN108321347A - Method for expanding numerical value of special-shaped bus bar - Google Patents
Method for expanding numerical value of special-shaped bus bar Download PDFInfo
- Publication number
- CN108321347A CN108321347A CN201711443451.2A CN201711443451A CN108321347A CN 108321347 A CN108321347 A CN 108321347A CN 201711443451 A CN201711443451 A CN 201711443451A CN 108321347 A CN108321347 A CN 108321347A
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- China
- Prior art keywords
- bending angle
- bar
- special
- bending
- angle
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005452 bending Methods 0.000 claims abstract description 46
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 238000013461 design Methods 0.000 claims abstract description 14
- 238000000137 annealing Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 claims abstract description 6
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims abstract description 4
- 239000004411 aluminium Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
- B22D25/04—Casting metal electric battery plates or the like
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a method for expanding numerical values of a special-shaped bus bar, which comprises the following steps: step one, raw material selection: the raw material of the special-shaped bus bar is pure copper or pure aluminum; step two, heat treatment: when the raw material of the special-shaped bus bar is pure copper, annealing is carried out after cutting and forming of a blanking wire, and the annealing temperature range is 500-700 ℃; when the raw material of the special-shaped bus bar is pure aluminum, annealing is carried out after cutting and forming of a blanking line, and the annealing temperature range is 200-300 ℃; step three, designing a bending angle and a configuration: the selection of the bending angle is usually determined by the sheet metal material behind the plate, the space tolerance of the battery pack and the processing technology level, and the larger the bending angle is, the easier the cold bending processing is after the bending angle is not smaller than the plate; if the weight of the material allows to select pure copper, otherwise, selecting pure aluminum; the configuration of the bus bar is influenced by the overall design of the battery pack, the distance between the bending angles is pulled, the bus bar is bent at a right angle, an obtuse angle and an acute angle are selected less, the bending angle is as large as possible, and the position of punching is determined; and step four, expanding the numerical value.
Description
Technical field
The present invention relates to chemically or physically power technique fields, more particularly to a kind of special-shaped bus-bar numerical value expansion side
Method.
Background technology
For the bus-bar of power of battery connection, due to good etc. by performance with wiring beauty, reliable operation, high current
Feature and be widely used.Mainly there are two kinds of red copper and fine aluminium applied to the sheet metal component material of battery bus at present, directly
Template bus-bar is not because be involved in the problems, such as blanking after expansion, therefore relatively easily handle.But special-shaped bus-bar is but due to shape
Shape is complicated, and bending angle is more, therefore the method for deploying of metal plate has a significant impact to final machining accuracy.At present in processing and manufacturing
There are commonly the method for piecing together, neutral line method, balanced method and method of characteristic points.But the above method is suitable for using under certain condition, and
The error of corresponding expansion blank is larger, belongs to experience or semiempirical formula method.Sometimes for final machining accuracy is met, need
It makes repeated attempts, the developed dimension of continuous approaching to reality, therefore production efficiency is not high.Heat treatment also due to not considering material
Influence of the state to expansion equally causes the billet size error of expansion larger.
Invention content
The technical problem to be solved by the present invention is to：A kind of special-shaped bus-bar numerical value method of deploying, the abnormal shape bus-bar are provided
Numerical value method of deploying can adapt to the Metal plate after common different heat treatment, meet power of battery connection requirement.
The present invention is adopted the technical scheme that solve technical problem present in known technology：
A kind of abnormal shape bus-bar numerical value method of deploying, includes the following steps：
Step 1: raw material type selecting：
It is described abnormal shape bus-bar for electric current power input and output, it is described abnormal shape bus-bar raw material be fine copper or
Fine aluminium；
Step 2: heat treatment：
When the raw material of special-shaped bus-bar are fine copper, anneal after blanking wire cutting molding, annealing region is
500 DEG C~700 DEG C；
When the raw material of special-shaped bus-bar are fine aluminium, anneal after blanking wire cutting molding, annealing region is
200 DEG C~300 DEG C；
Step 3: bending angle and configuration design
The selection at bending angle is usually by plate thickness, Metal plate, and battery pack space permission and processing technology level determine,
In：Bending angle is not less than plate thickness, the more bigger easier clod wash processing of bending angle；If the weight of material allows to select fine copper, otherwise
Select fine aluminium；The configuration of bus-bar is influenced by battery pack global design, pulls open the distance between bending angle, and right-angle bending selects blunt less
Angle and acute angle, bending angle is big as possible, the position of punching；
Step 4: numerical value is unfolded
By to above three step, it is determined that behind raw material, heat treatment mode and bending angle, using formula BA=1.57
× K × T+1.57 × R carries out the expansion at bending angle, wherein：K is the bending factor；BA is arc length after bending, and T is plate thickness, and R is folding
Bent angle.
Further：The trade mark of the fine copper is T1 and T2.
Further：The trade mark of the fine aluminium is 1050 and 1060.
The invention has the advantages and positive effects that：
1, the present invention uses the method for deploying of numerical formula, Variable Factors to contain the thickness of sheet metal component, design configuration, folding
Bent angle and material sum up the formula being suitable for the application of in conjunction with the result of repetition test.Especially emphasis considers the tool of bus-bar
Influence of the body design configuration to expansion, i.e., different bending angles and mutual distance, arrangement, spatial correlation and expansion side
The selection of method.It more can accurately reflect the rule that sheet metal component is followed during plastic deformation as compared with the past, therefore can be more
The precision of the final expansion arc length of good guarantee.
2, the present invention need to pay close attention to Metal plate and exist due to paying close attention to fine copper and fine aluminium in the connected application of the power of battery
The variation of hardness under different heat treatment modes, and then its influence to method of deploying is investigated, in conjunction with different heat treatment temperatures
And anneal duration, relationship between the two is determined by repetition test, can preferably realize the machine eliminated during use
Tool stress and thermal stress ensure stable electrical connection.
3, the present invention is desirably integrated into the module of relevant design software due to the expression using numerical formula
In, realize design threedimensional model after the completion of, input relevant parameter can the original metal plate of rapid deployment, shorten the design cycle, improve
Design efficiency.
Description of the drawings
Fig. 1 is the vertical view of special-shaped bus-bar in the preferred embodiment of the invention；
Fig. 2 is the front view of special-shaped bus-bar in the preferred embodiment of the invention；
Fig. 3 is special-shaped bus-bar expansion design sketch in the preferred embodiment of the invention
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows：
It please refers to Fig.1 to Fig.3, a kind of abnormal shape bus-bar numerical value method of deploying includes the following steps：
The structure of anisotropic bus-bar in this patent is as depicted in figs. 1 and 2；
1, raw material type selecting：
The power input of battery bus-bar incoming current and output, therefore the higher several metals of conductivity are often selected,
Such as gold, silver, copper and aluminium, since gold and silver belongs to noble metal, price is high, therefore limits its application, the electric conductivity of fine copper and heat conduction
Good, the corrosion resistance number of property, is most widely used.The density of fine aluminium is low, plasticity is good, in terms of comprehensive cost performance highest, in battery
Power to transport middle selection aluminium be also to meet the light-weighted needs of design.Fine copper often selects the trade mark such as T1 and T2, fine aluminium Chang Xuan
With the trade mark such as 1050 and 1060.
2, it is heat-treated：
The plasticity of fine copper and fine aluminium is good, but intensity, hardness are low.The cold plastic deformation of bus-bar bending can be such that the intensity of copper carries
Height is to 400~500MPa, but elongation falls to 6% or so, and fine aluminium equally can be with flow harden.To enable later stage bus-bar to have
Effect adapts to the docile of battery assembly, ensures the reliability of conducting surface contact, needs bus-bar that there is certain softness, annealing can disappear
The annealing region of the cold work hardening of copper removal, industrial pure copper is 500~700 DEG C；The annealing region of commercial-purity aluminium is
200~300 DEG C.
3, bending angle and configuration design
The selection at bending angle is usually determined by plate thickness, Metal plate, battery pack space permission and processing technology level.Its
Middle bending angle is typically no less than plate thickness, more bigger easier clod wash processing；If material weight allows that fine copper can be selected, otherwise select
Fine aluminium；The configuration of bus-bar is influenced by battery pack global design, and principle is to try to pull open the distance between bending angle, right-angle bending,
Obtuse angle and acute angle are selected less, and bending angle is big as possible, the position of punching.
4, numerical value is unfolded
Pass through the analysis to above-mentioned several factors, it is determined that material, heat treatment mode can apply formula behind bending angle
BA=1.57 × K × T+1.57 × R carries out the expansion at bending angle, namely the calculating of expansion arc length, and wherein key is K value (bendings
The factor) determination, such as fine copper, 600 DEG C of annealing, when bending angle is 90 DEG C of bendings, K=0.55/1.57=0.35；For another example pure
Aluminium, 250 DEG C of annealing, when bending angle is 90 DEG C of bendings, K=0.64/1.57=0.41 can be obtained expansion after bringing formula into
Figure, the input as follow-up panel beating.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be construed as limiting the practical range of the present invention.Any changes and modifications in accordance with the scope of the present application,
It should all still fall within the scope of the patent of the present invention.
Claims (3)
1. a kind of abnormal shape bus-bar numerical value method of deploying, it is characterised in that：Include the following steps：
Step 1: raw material type selecting：
Power input and output of the abnormal shape bus-bar for electric current, the raw material of the abnormal shape bus-bar are fine copper or pure
Aluminium；
Step 2: heat treatment：
It when the raw material of special-shaped bus-bar are fine copper, anneals after blanking wire cutting molding, annealing region is 500 DEG C
~700 DEG C；
It when the raw material of special-shaped bus-bar are fine aluminium, anneals after blanking wire cutting molding, annealing region is 200 DEG C
~300 DEG C；
Step 3: bending angle and configuration design
The selection at bending angle is usually by plate thickness, Metal plate, and battery pack space permission and processing technology level determine, wherein：
Bending angle is not less than plate thickness, the more bigger easier clod wash processing of bending angle；If the weight of material allows to select fine copper, otherwise select
Fine aluminium；The configuration of bus-bar is influenced by battery pack global design, pulls open the distance between bending angle, right-angle bending, select less obtuse angle and
Acute angle, bending angle is big as possible, the position of punching；
Step 4: numerical value is unfolded
By to above three step, it is determined that behind raw material, heat treatment mode and bending angle, using formula BA=1.57 × K
× T+1.57 × R carries out the expansion at bending angle, wherein：K is the bending factor；BA is arc length after bending, and T is plate thickness, and R is bending
Angle.
2. according to the special-shaped bus-bar numerical value method of deploying required described in 1, it is characterised in that：The trade mark of the fine copper be T1 and
T2。
3. according to the special-shaped bus-bar numerical value method of deploying required described in 1, it is characterised in that：The trade mark of the fine aluminium be 1050 and
1060。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443451.2A CN108321347A (en) | 2017-12-27 | 2017-12-27 | Method for expanding numerical value of special-shaped bus bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443451.2A CN108321347A (en) | 2017-12-27 | 2017-12-27 | Method for expanding numerical value of special-shaped bus bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108321347A true CN108321347A (en) | 2018-07-24 |
Family
ID=62892598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711443451.2A Pending CN108321347A (en) | 2017-12-27 | 2017-12-27 | Method for expanding numerical value of special-shaped bus bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108321347A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1707377A (en) * | 2004-06-09 | 2005-12-14 | 上海开通数控有限公司 | Real-time drawing and confirming method for workpiece pattern of bender digital control system |
| CN1966204A (en) * | 2006-11-08 | 2007-05-23 | 沈阳铜兴产业有限公司 | Producing technology for large size copper heterotype plate |
| CN101850492A (en) * | 2010-04-23 | 2010-10-06 | 九星控股集团有限公司 | Preparation process of special solid conductive plate and bus board for electrolysis |
| CN104070087A (en) * | 2014-06-13 | 2014-10-01 | 上海优摩科技有限公司 | Scheduling method of metal plate bending steps based on work stations |
| CN104138938A (en) * | 2013-09-26 | 2014-11-12 | 国家电网公司 | Spread length parameter determination method and production method for sheet metal part adopting double edge bending |
-
2017
- 2017-12-27 CN CN201711443451.2A patent/CN108321347A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1707377A (en) * | 2004-06-09 | 2005-12-14 | 上海开通数控有限公司 | Real-time drawing and confirming method for workpiece pattern of bender digital control system |
| CN1966204A (en) * | 2006-11-08 | 2007-05-23 | 沈阳铜兴产业有限公司 | Producing technology for large size copper heterotype plate |
| CN101850492A (en) * | 2010-04-23 | 2010-10-06 | 九星控股集团有限公司 | Preparation process of special solid conductive plate and bus board for electrolysis |
| CN104138938A (en) * | 2013-09-26 | 2014-11-12 | 国家电网公司 | Spread length parameter determination method and production method for sheet metal part adopting double edge bending |
| CN104138938B (en) * | 2013-09-26 | 2016-08-17 | 国家电网公司 | Double-fold unfolding sheet metal parts length parameter determines method and production method |
| CN104070087A (en) * | 2014-06-13 | 2014-10-01 | 上海优摩科技有限公司 | Scheduling method of metal plate bending steps based on work stations |
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| Title |
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| 凯德设计: "《精通Pro/ENGINEER中文野火版3.0 实战百例篇》", 31 August 2007, 中国青年出版社 * |
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| PB01 | Publication | ||
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Application publication date: 20180724 |