CN106312313A - Laser automatic welding control method of power battery pack - Google Patents
Laser automatic welding control method of power battery pack Download PDFInfo
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- CN106312313A CN106312313A CN201610969431.8A CN201610969431A CN106312313A CN 106312313 A CN106312313 A CN 106312313A CN 201610969431 A CN201610969431 A CN 201610969431A CN 106312313 A CN106312313 A CN 106312313A
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- welding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention provides a laser automatic welding control method of a power battery pack. Full-automatic welding can be achieved through simple parameter inputting, alternate operation can be performed by using a double-laser welding device, the working efficiency is greatly improved, and when the model of the power battery pack is needed to be switched, the power battery pack model is modified on a PLC control touch screen only through mechanical adjustment, the operation is simple, and the maintenance and modification are convenient. The compatibility of product is good, one production line can be used for laser welding of most of soft-packaged battery packs on the market, and the performance cost ratio is high. The welding precision is good in controllability, a usage environment is good in compatibility, and an application range is wide.
Description
Technical field
The present invention relates to technical field of automatic control, particularly relate to a kind of power battery pack laser automation welding control system side
Method.
Background technology
Application laser welding is the most universal to the technique of soft package lithium battery bond pads at present, is essentially all by each
The nickel strap of two lugs of soft-package battery and the substrate of copper nickel plating carry out Laser Welding, and have different qualities according to different polarity
Metal Material Welding.At present, for profile and the size of lithium battery, GB does not has strict regulation, therefore along with lithium battery
Application more and more extensive, the soft package lithium battery specification kind of each producer is different, and counting of welding differs, the most sharp
Light automatic welding production line is only to one or two kind of soft-package battery bond pads, to its technology application, marketing, cost price all
There is no small limitation.
Owing to lithium battery group laser welding process needs, existing welding manner many employings artificial loading board unit welds
Connect, single product automatic welding production line carrys out completing technology requirement.
At least there is the deficiency of following aspect in prior art:
1, tradition single product soft package lithium battery group laser automatic welding production line uses high performance PLC to carry out overall control
System, although frock is simple, is well positioned to meet polytechnic requirement, seriality, the typing of data and analysis, but can only expire
The technique of the set of cells welding of the single model of foot, if the debugging of laser welding production line can be caused bigger by switching model
Impact, and owing to the debugging time can affect production, complicated structure, expensive price, harsh technical maintenance requirement, make this
Plant automatic welding production line and general welding user is brought too much burden, process and real so cannot well be used for applying
During border produces;
2, the welding of artificial loading board unit can be inputted by DXF file due to the track of welding, switches the type of battery
Number fairly simple, but stability is the poorest, and whole technological process compares too many levels so that it is work efficiency is extremely low, both cannot be large quantities of
Amount carry out welding production, again cannot continuously to set of cells other Function detection, install and measure, therefore it is complete to be welded into power
Cannot ensure, the set of cells of whole technical process cannot be carried out analysis and the typing of data, this can requirement to operator
Extremely harsh.
Summary of the invention
In view of this, the present invention proposes the power battery pack laser automatic welding that a kind of compatibility is good, welding precision is high
Control method.
The technical scheme is that and be achieved in that: a kind of power battery pack laser automatic welding control method, including
Following steps,
S1, after PLC control system powers on, first initializes, i.e. X-axis servo module, Y-axis servo module back to zero, and
Initial value is given to index variable, variable 1, variable 2, variable 3, variable 4, variable 5, variable 6, variable 7, variable 8, variable 9;
S2, is manually entered the single lug number of set of cells to be welded, lug row, monopole ear single solder joint number, monopole ear
Single adjacent welds spacing, monopole ear trestle column, and the starting point coordinate data of each lug;
S3, stores the coordinate data of first lug first address and adds index, and index amount initial value is 0, according to index amount,
X-axis servo module, Y-axis servo module drive laser instrument to run to the starting point position of first lug;
S4, next solder joint beaten by the Control laser instrument performing out light;
S5, variable 1 initial value is 0, and when going to this step, counting adds 1, if variable 1 is less than the single solder joint of monopole ear
Number, just addition of variable 1* monopole ear single adjacent welds spacing on the basis of the X-axis coordinate data of this lug starting point, then continues
Continuous execution step S3, until variable 1 is equal to monopole ear single solder joint number, starts to perform next step;
S6, variable 2 initial value is 0, and when going to this step, counting adds 1, if variable 2 is less than single lug number, then
Index amount adds 2, and variable 1 resets, and jumps to step S3 and repeats, and during until variable 2 is equal to single lug number, starts to perform next
Step;
S7, first subtracts 1 by single for set of cells lug number, and the result obtained is multiplied by 2, last result is given variable 3, then
The index amount of X-axis and Y-axis all deducts variable 3, thus obtains single initial index amount, and variable 4 initial value is 0, goes to this
During one step, counting adds 1, adds monopole ear trestle column, then become on the basis of the Y-axis coordinate data of first lug starting point coordinate
Amount 1 clearing, variable 2 resets, and starts to perform next step;
S8, when variable 4 is less than 2, then jumps to step S3 and repeats, if variable 4 is equal to 2, then starts to perform next
Step;
S9, variable 5 initial value is 0, and when going to this step, counting adds 1, and laser instrument only welds the odd row of set of cells,
When i.e. the lug row of set of cells is 2 row, then variable 6, variable 7, variable 8, variable 9 are 0, only welding the 1st row;If set of cells
Lug row when being 4 row, then variable 6 is 1, and variable 7, variable 8, variable 9 are 0, only welding the 1st row and the 3rd row;If battery
Group lug row when being 6 row, then variable 6, variable 7 are 1, and variable 8, variable 9 are 0, only welding the 1st row, the 3rd row and the 5th
Row;If the lug row of set of cells is 8 row, then variable 6, variable 7, variable 8 are 1, and variable 9 is 0, only welding the 1st row, the
3 rows, the 5th row and the 7th row;If the lug row of set of cells is 10 row, then variable 6, variable 7, variable 8, variable 9 are 1, only
Weld the 1st row, the 3rd row, the 5th row, the 7th row and the 9th row;First look at variable 6, if variable 6 is 1, then the list of set of cells
Row's lug number is multiplied by 4, and the result obtained sends index amount to, then checks variable 7, if variable 7, variable 8, variable 9 are 0,
Then jumping to next step, if variable 7 is 1, then the single lug number of set of cells is multiplied by 8, and the result obtained sends index amount to,
Then checking variable 8, if variable 8, variable 9 are 0, then jump to next step, if variable 8 is 1, the most single lug number is taken advantage of
With 12, the result obtained sends index amount to, finally checks variable 9, if variable 9 is 0, then jumps to next step, if
Variable 9 is 1, then the single lug number of set of cells is multiplied by 16, and the result obtained sends index amount to, then jumps to next step;
S10, if variable 5 is less than a half value of lug row, variable 1, variable 2 and variable 4 all reset, and then repeat
Start to perform step S3, during until variable 5 is equal to a half value of lug row, then perform next step;
S11, index amount resets, X-axis servo module, Y-axis servo module back to zero, prepares to start the welding of next set of cells
Program.
The power battery pack laser automatic welding control method of the present invention has the advantages that relative to prior art
(1) when needing the model switching set of cells, it is only necessary to carry out adjustment mechanically, then control touch screen at PLC
Upper amendment switching set of cells model, simple to operate, safeguard that amendment is convenient;
(2) compatibility of product is good, and a production line can tackle the Laser Welding of most soft-package battery group on market
Connecing, cost performance is high;
(3) controllability of welding precision is good;
(4) use environment compatibility good, applied range.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the welding schematic diagram of power battery pack laser automatic welding control method of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole realities
Execute mode.Based on the embodiment in the present invention, those of ordinary skill in the art are institute under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
With reference to Fig. 1, the power battery pack laser automatic welding control method of the present invention, existing laser welding can be used to set
Standby, it includes Y-axis servomotor 1, X-axis servomotor 2, Y-axis servo module 3, performs out the relay 4 of light, X-axis servo module
5, laser instrument 6, wherein, X-axis servo module 5, drive laser instrument 6 to move along X-direction;Y-axis servo module 3, drives laser instrument 6
Move along Y direction;Y-axis servomotor 1 and X-axis servomotor 2 respectively with Y-axis servo module 3 and X-axis servo module 5 transmission
Connect, it is provided that its power advanced;The relay 4 performing out light is connected with laser instrument 6 signal;PLC control system (is not marked in figure
Show) respectively with Y-axis servomotor 1, X-axis servomotor 2 and perform out relay 4 signal of light and be connected, thus control laser instrument 6
Move along X-axis, Y-axis, and on the lug of set of cells 8, lay solder joint 9.It should be noted that in order to improve work efficiency, this
Bright power battery pack laser automatic welding control method uses two laser welding apparatus that set of cells 8 is carried out flowing water welding
(in figure, position indicates other one), wherein a laser welding apparatus welding odd row lug, another laser welding apparatus welds
Connect even rows lug, so, work efficiency can be increased substantially.
Concrete, the power battery pack laser automatic welding control method of the present invention comprises the following steps,
S1, initializes.After PLC control system powers on, first initialize, i.e. X-axis servo module 5, Y-axis servo module
3 back to zeros, and give to index variable, variable 1, variable 2, variable 3, variable 4, variable 5, variable 6, variable 7, variable 8, variable 9
Initial value.
S2, inputs setup parameter value.It is manually entered the single lug number of set of cells 8 to be welded, lug row, monopole ear list
Row solder joint number, monopole ear single adjacent welds spacing, monopole ear trestle column, and the starting point coordinate data of each lug.
S3, controls laser instrument 6 and navigates to position to be welded.The coordinate data of first lug is stored first address and adds change
Location, index amount initial value is 0, and according to index amount, X-axis servo module 5, Y-axis servo module 3 drive laser instrument 6 to run to first
The starting point position of lug;
S4, lays solder joint.The relay 4 performing out light controls the next solder joint 9 of 6 dozens, laser instrument;
S5, lays corresponding solder joint according to the setting of monopole ear single solder joint number.Variable 1 initial value is 0, goes to this
During step, counting adds 1, if variable 1 is less than monopole ear single solder joint number, just at the base of X-axis coordinate data of this lug starting point
Addition of variable 1* monopole ear single adjacent welds spacing on plinth, then proceedes to perform step S3, until variable 1 is single equal to monopole ear
Solder joint number, starts to perform next step;
S6, positioning laser 6 between the adjacent lug of same row, and lay single all solder joints.Variable 2 initial value is
0, when going to this step, counting adds 1, if variable 2 is less than single lug number, then index amount adds 2, and variable 1 resets, and jumps to
Step S3 repeats, and during until variable 2 is equal to single lug number, starts to perform next step;
S7, navigates to laser instrument 6 next row bond pad locations according to the monopole ear trestle column set, and lays next row institute
There is solder joint.First subtracting 1 by single for set of cells lug number, the result obtained is multiplied by 2, gives variable 3, then X-axis by last result
All deducting variable 3 with the index amount of Y-axis, thus obtain single initial index amount, variable 4 initial value is 0, goes to this step
Time, counting adds 1, adds monopole ear trestle column, then variable 1 on the basis of the Y-axis coordinate data of first lug starting point coordinate
Resetting, variable 2 resets, and starts to perform next step;
S8, when variable 4 is less than 2, then jumps to step S3 and repeats, if variable 4 is equal to 2, then starts to perform next
Step;
Finally, in order to improve work efficiency, use double excitation welding equipment alternately to weld, improve work efficiency.
S9, variable 5 initial value is 0, and when going to this step, counting adds 1, the odd row of 6, laser instrument welding set of cells,
When i.e. the lug row of set of cells is 2 row, then variable 6, variable 7, variable 8, variable 9 are 0, only welding the 1st row;If set of cells
Lug row when being 4 row, then variable 6 is 1, and variable 7, variable 8, variable 9 are 0, only welding the 1st row and the 3rd row;If battery
Group lug row when being 6 row, then variable 6, variable 7 are 1, and variable 8, variable 9 are 0, only welding the 1st row, the 3rd row and the 5th
Row;If the lug row of set of cells is 8 row, then variable 6, variable 7, variable 8 are 1, and variable 9 is 0, only welding the 1st row, the
3 rows, the 5th row and the 7th row;If the lug row of set of cells is 10 row, then variable 6, variable 7, variable 8, variable 9 are 1, only
Weld the 1st row, the 3rd row, the 5th row, the 7th row and the 9th row;First look at variable 6, if variable 6 is 1, then the list of set of cells
Row's lug number is multiplied by 4, and the result obtained sends index amount to, then checks variable 7, if variable 7, variable 8, variable 9 are 0,
Then jumping to next step, if variable 7 is 1, then the single lug number of set of cells is multiplied by 8, and the result obtained sends index amount to,
Then checking variable 8, if variable 8, variable 9 are 0, then jump to next step, if variable 8 is 1, the most single lug number is taken advantage of
With 12, the result obtained sends index amount to, finally checks variable 9, if variable 9 is 0, then jumps to next step, if
Variable 9 is 1, then the single lug number of set of cells is multiplied by 16, and the result obtained sends index amount to, then jumps to next step;
S10, if variable 5 is less than a half value of lug row, variable 1, variable 2 and variable 4 all reset, and then repeat
Start to perform step S3, during until variable 5 is equal to a half value of lug row, then perform next step;
S11, index amount resets, X-axis servo module 5, Y-axis servo module 3 back to zero, prepares to start the weldering of next set of cells
Connect program.
The foregoing is only the better embodiment of the present invention, not in order to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (1)
1. a power battery pack laser automatic welding control method, it is characterised in that: comprise the following steps,
S1, after PLC control system powers on, first initializes, i.e. X-axis servo module 5, Y-axis servo module 3 back to zero, and gives
Index variable, variable 1, variable 2, variable 3, variable 4, variable 5, variable 6, variable 7, variable 8, variable 9 give initial value;
S2, is manually entered the single lug number of set of cells 8 to be welded, lug row, monopole ear single solder joint number, monopole ear single
Adjacent welds spacing, monopole ear trestle column, and the starting point coordinate data of each lug;
S3, stores the coordinate data of first lug first address and adds index, and index amount initial value is 0, according to index amount, X-axis
Servo module 5, Y-axis servo module 3 drive laser instrument 6 to run to the starting point position of first lug;
S4, the relay 4 performing out light controls the next solder joint 9 of 6 dozens, laser instrument;
S5, variable 1 initial value is 0, and when going to this step, counting adds 1, if variable 1 is less than monopole ear single solder joint number, just
On the basis of the X-axis coordinate data of this lug starting point, addition of variable 1* monopole ear single adjacent welds spacing, then proceedes to hold
Row step S3, until variable 1 is equal to monopole ear single solder joint number, starts to perform next step;
S6, variable 2 initial value is 0, and when going to this step, counting adds 1, if variable 2 is less than single lug number, then indexes
Amount adds 2, and variable 1 resets, and jumps to step S3 and repeats, and during until variable 2 is equal to single lug number, starts to perform next step;
S7, first subtracts 1 by single for set of cells lug number, and the result obtained is multiplied by 2, gives variable 3, then X-axis by last result
All deducting variable 3 with the index amount of Y-axis, thus obtain single initial index amount, variable 4 initial value is 0, goes to this step
Time, counting adds 1, adds monopole ear trestle column, then variable 1 on the basis of the Y-axis coordinate data of first lug starting point coordinate
Resetting, variable 2 resets, and starts to perform next step;
S8, when variable 4 is less than 2, then jumps to step S3 and repeats, if variable 4 is equal to 2, then starts to perform next step;
S9, variable 5 initial value is 0, and when going to this step, counting adds 1, the odd row of 6, laser instrument welding set of cells, i.e. electricity
When the lug row of pond group is 2 row, then variable 6, variable 7, variable 8, variable 9 are 0, only welding the 1st row;If the pole of set of cells
When ear row is 4 row, then variable 6 is 1, and variable 7, variable 8, variable 9 are 0, only welding the 1st row and the 3rd row;If set of cells
Lug row when being 6 row, then variable 6, variable 7 are 1, and variable 8, variable 9 are 0, only welding the 1st row, the 3rd row and the 5th row;As
When really the lug row of set of cells is 8 row, then variable 6, variable 7, variable 8 are 1, and variable 9 is 0, only welding the 1st row, the 3rd row,
5th row and the 7th row;If the lug row of set of cells is 10 row, then variable 6, variable 7, variable 8, variable 9 are 1, only welding
1st row, the 3rd row, the 5th row, the 7th row and the 9th row;First look at variable 6, if variable 6 is 1, then the single pole of set of cells
Ear number is multiplied by 4, and the result obtained sends index amount to, then checks variable 7, if variable 7, variable 8, variable 9 are 0, then jumps
Forwarding next step to, if variable 7 is 1, then the single lug number of set of cells is multiplied by 8, and the result obtained sends index amount to, then
Checking variable 8, if variable 8, variable 9 are 0, then jump to next step, if variable 8 is 1, the most single lug number is multiplied by
12, the result obtained sends index amount to, finally checks variable 9, if variable 9 is 0, then jumps to next step, if become
Amount 9 is 1, then the single lug number of set of cells is multiplied by 16, and the result obtained sends index amount to, then jumps to next step;
S10, if variable 5 is less than a half value of lug row, variable 1, variable 2 and variable 4 all reset, and then repeat to start
Perform step S3, during until variable 5 is equal to a half value of lug row, then perform next step;
S11, index amount resets, X-axis servo module 5, Y-axis servo module 3 back to zero, prepares to start the welding journey of next set of cells
Sequence.
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CN201610969431.8A CN106312313B (en) | 2016-10-28 | 2016-10-28 | A kind of power battery pack laser automatic welding control method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106670647A (en) * | 2017-02-27 | 2017-05-17 | 成都蒲江珂贤科技有限公司 | Production line equipment for circuit board surface device welding |
CN107186403A (en) * | 2017-06-28 | 2017-09-22 | 华霆(合肥)动力技术有限公司 | A kind of tab welding system and method |
CN111722588A (en) * | 2019-03-18 | 2020-09-29 | 青海凯之成智能装备有限公司 | Program design method based on power battery welding machine |
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CN103753019A (en) * | 2014-01-03 | 2014-04-30 | 中达电通股份有限公司 | Control method and control system both used for battery laser welding |
CN104722918A (en) * | 2015-02-16 | 2015-06-24 | 徐象华 | Nickel-base high energy battery electrode tab welding process |
CN105215543A (en) * | 2015-11-20 | 2016-01-06 | 武汉逸飞激光设备有限公司 | A kind of five dimension control device and methods for battery modules welding |
CN105364296A (en) * | 2015-11-18 | 2016-03-02 | 宁波金橙新能源有限公司 | Welding method and device of lithium battery electrode lug |
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US4346282A (en) * | 1977-04-26 | 1982-08-24 | General Battery Corporation | Method of extrusion-fusion welding of lead parts through an aperture in a battery case |
CN103753019A (en) * | 2014-01-03 | 2014-04-30 | 中达电通股份有限公司 | Control method and control system both used for battery laser welding |
CN104722918A (en) * | 2015-02-16 | 2015-06-24 | 徐象华 | Nickel-base high energy battery electrode tab welding process |
CN105364296A (en) * | 2015-11-18 | 2016-03-02 | 宁波金橙新能源有限公司 | Welding method and device of lithium battery electrode lug |
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CN106670647A (en) * | 2017-02-27 | 2017-05-17 | 成都蒲江珂贤科技有限公司 | Production line equipment for circuit board surface device welding |
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CN111722588A (en) * | 2019-03-18 | 2020-09-29 | 青海凯之成智能装备有限公司 | Program design method based on power battery welding machine |
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