CN106058329B - One kind section lead butt welding lead part and its duct butt-welding method - Google Patents
One kind section lead butt welding lead part and its duct butt-welding method Download PDFInfo
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- CN106058329B CN106058329B CN201610652838.8A CN201610652838A CN106058329B CN 106058329 B CN106058329 B CN 106058329B CN 201610652838 A CN201610652838 A CN 201610652838A CN 106058329 B CN106058329 B CN 106058329B
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- 238000003466 welding Methods 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 23
- 210000005056 cell body Anatomy 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 17
- 210000004027 cell Anatomy 0.000 claims description 8
- 230000014759 maintenance of location Effects 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- 241000826860 Trapezium Species 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000000178 monomer Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/14—Assembling a group of electrodes or separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (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 belongs to Lead-acid Battery Technology field, and in particular to one kind section lead butt welding lead part and its duct butt-welding method.The invention mainly comprises bus-bar and butt-welding fitting, wherein, the bus-bar includes pole group's plate ear cast welding face, bus-bar sidepiece and two weldering arm seal faces；The butt-welding fitting is connected with bus-bar sidepiece.Its duct butt-welding method clamps bus-bar sidepiece for the weldering arm of butt welding machine, and then extruding horizontally towards each other makes butt-welding fitting be in contact, and then the welding that can be powered, continuation holding are so that butt-welding fitting cooled and solidified, finally welds arm and unclamp reset, completion whole butt welding cycle.It is an object of the invention to break through deficiency of the existing lead-acid accumulator in connection, there is provided a kind of butt welding lead design of part reasonable in design and its duct butt-welding method, connecting between the compole group of batteries monomer battery and pole group can be realized, lead loss can also be reduced, and then reduce production cost, the space waste in battery design is also avoided simultaneously, improves the energy density and bulk density of battery.
Description
Technical field
The invention belongs to Lead-acid Battery Technology field, and in particular to one kind section lead butt welding lead part and its duct butt-welding method.
Background technology
Lead-acid accumulator generally requires two or the series connection of more cells to meet requirement of the client to voltage.
Connection between current cell typically uses through-wall welding mode.
Design at present is general as follows using method：Pole plate inside one pole group is connected with each other to be completed by bus-bar 1 ',
And the interconnection between an internal battery pack pole group and pole group needs to complete by butt-welding fitting 2 '；Simultaneously again because butt welding
Part 2 ' is present on bus-bar, and volume is larger.
This consequence caused is：The top of middle cover of battery must leave at a relatively high a part of space to hold butt-welding fitting
2 ', this is a greatly waste for the space utilization of battery, and this is also to cause existing butt-welding fitting lead-acid accumulator energy
The key factor that density is small, bulk density is small；The volume of butt-welding fitting 2 ' is larger simultaneously, causes that battery lead loss is more, cost height, again
Amount weight；Simultaneously due also to the current path between its pole group and pole group is long, the internal resistance of cell is also resulted in big.
The content of the invention
For above technical problem, it is an object of the invention to break through existing lead-acid accumulator connection it is not enough there is provided
A kind of butt welding lead design of part reasonable in design and its duct butt-welding method, can realize compole group and the pole of batteries monomer battery
Series connection between group, can also reduce lead loss, and then reduce production cost, while also avoiding the space waste in battery design, carry
The energy density and bulk density of high battery.
To reach above-mentioned purpose, the present invention provides following technical scheme：
One kind section lead butt welding lead part, mainly includes bus-bar 1 and butt-welding fitting 2, wherein, the bus-bar 1 includes pole group
Plate ear cast welding face 11, bus-bar sidepiece 12 and two weldering arm seal faces 13, the butt-welding fitting 2 is connected with bus-bar sidepiece 12, pole
Group's plate ear cast welding face 11 is connected with the plate ear of pole group, and the pole plate of pole group is in parallel, and bus-bar sidepiece 12 is the company of butt-welding fitting 2
Position is connect, two weldering arm seal faces 13 provide weldering arm clamping position in butt welding, so that weldering arm drives butt-welding fitting 2 to weld.
Further, preferably, the concrete structure of described bus-bar 1 is cuboid or trapezoidal, the Yi Jiyou of solid
There are chamfering, centre in the deformable body that this amplification comes, such as edge by mark or bump body.
Further, preferably, described pole group's plate ear cast welding face 11 is mainly used in connecting the plate ear of pole group, for inciting somebody to action
The multiple pole plates of pole group are in parallel, and electricity is increased in discharge and recharge.
Further, preferably, described bus-bar sidepiece 12 be butt-welding fitting link position, butt welding finish after and cell body every
Wall is completely attached to, and improves the intensity of bus-bar fixed pole group, is directly immersed in while reducing acid solution in welding hole.
Further, preferably, described bus-bar sidepiece 13 provides weldering arm clamping position in butt welding, for weldering arm band
Dynamic butt-welding fitting 2 is welded.
Further, preferably, described butt-welding fitting 2 is general in the centre position of bus-bar sidepiece 12, while it also exists
The center of slotted eye.In butt welding, two butt-welding fittings of consecutive roots group are compressed in a slotted eye, are produced by high current
Raw huge heat is fused together, and then 2 adjacent cells in series are got up, and is played and is proposed high-tension effect.
Slotted eye is the hole in cell body partition wall, and generally circular in cross section or ellipse, thickness is identical with cell body partition wall thickness, primarily serve make it is adjacent
2 single lattice pole groups can be cascaded and then be formed the effect of path, the energy in battery charging and discharging by butt-welding fitting butt welding
Ensure that electric current is turned on by the lead part inside partition wall.
Further, preferably, described butt-welding fitting 2 is cylinder, round platform, ball or ellipsoidal shape, and thus
The analogous shape of extension.Its local diameter combined with bus-bar sidepiece is maximum, but the aperture of general not more than cell body, remote
The local diameter of bus-bar sidepiece can diminish, but its single volume is about the 40%~70% of slotted eye volume（One slotted eye will accommodate 2
Individual relative butt-welding fitting）.
A kind of to utilize the duct butt-welding method for saving lead butt welding lead part, this method comprises the following steps：The weldering arm of butt welding machine is clamped
Weldering arm seal face, the weldering arm seal face of bus-bar sidepiece, then extruding makes butt-welding fitting be in contact horizontally towards each other, and then can be powered
Weld, continue to keep so that butt-welding fitting cooled and solidified, finally welds arm and unclamp reset, complete the whole butt welding cycle.
Preferably, further, when extruding makes butt-welding fitting horizontally towards each other, the bus-bar after arm is clamped will be welded and moved in opposite directions
It is dynamic, drive butt-welding fitting 2 to extrude horizontally towards each other, because butt-welding fitting 2 is in the center of slotted eye, therefore the top of butt-welding fitting 2 can be made to go deep into groove
Hole, until 2 adjacent butt-welding fittings 2 are contacted with each other, continuing to press forms the contact footpath of certain area to the top of butt-welding fitting 2, connects
It is the 30%~80% of slotted eye area to touch footpath area, now keeps the pressure motionless.
Preferably, further, when being powered welding, after stable, beginning through weldering arm and being passed through electric current, according to cell type
It is number of different sizes, electric current in 3~15KA, conduction time in 0.05s~0.6s, using resistance heat so that butt-welding fitting melts, herein
During keep extruding force it is constant, extruding force be 0.4~1.0MPa.
Preferably, further, when continuing to keep, weldering arm is motionless so that butt-welding fitting cooled and solidified, the retention time is
0.1~1.0s.
Beneficial effects of the present invention：
The present invention provides a kind of butt welding lead part for saving lead loss, can realize compole group and the pole of batteries monomer battery
Series connection between group, can also reduce lead loss, and then reduce production cost, while also avoiding the space waste in battery design, carry
The energy density and bulk density of high battery.
Brief description of the drawings
Fig. 1 is the butt welding lead part design drawing of the present invention of embodiment one；
Fig. 2 is a pair of weldering assembling schematic diagrams of embodiment；
Fig. 3 is existing butt welding lead part design drawing；
Fig. 4 is that signal is assembled in existing butt welding；
Fig. 5 is the butt welding lead part assembling schematic diagram on battery of embodiment two；
Fig. 6 is existing weldering lead part assembling schematic diagram on battery；
Fig. 7 is the butt welding lead part design drawing of the present invention of embodiment three；
Fig. 8 is the butt welding lead part butt welding assembling signal of the present invention of embodiment three；
In figure, 1- bus-bars, 11- poles group's plate ear cast welding face, 12- sidepieces, 13- weldering arm seal faces；
2- butt-welding fittings, 3- cell bodies partition wall, 4- poles group, 5- connectors.
Embodiment
Below in conjunction with the embodiment of the present invention and accompanying drawing, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
Embodiment 1
Refering to Fig. 1, a kind of butt welding lead part provided for the application（Suitable for 1 × 6 structure battery）.Butt welding lead part bag
Bus-bar 1 and butt-welding fitting 2 are included, the bus-bar 1 includes pole group's plate ear cast welding face 11, sidepiece 12 and two weldering arm seal faces 13.
Butt-welding fitting 2 is connected to bus-bar sidepiece 12, volume very little, and it is the shapes, butt-welding fitting 2 such as cylinder, round platform, ball or ellipsoid
The place welded directly is contacted and then is powered by welding arm extruding during for butt welding, welding terminates its whole and is compressed in slotted eye.
The butt-welding fitting 2 of this example is cylinder.
The duct butt-welding method of this example is：The weldering arm of butt welding machine clamps two weldering arm seal faces 13, Ran Houshui of bus-bar sidepiece
Flat opposite extruding makes butt-welding fitting 2 be in contact, and then the welding that can be powered, continuation are kept so that butt-welding fitting cooled and solidified, is finally welded
Arm, which unclamps, to be resetted, and completes the whole butt welding cycle.
Embodiment 2
On the basis of embodiment one, the present embodiment provides a kind of battery containing the butt welding lead part, including butt welding
Cell body partition wall 3 and pole group 4 in lead part, cell body partition wall 3 and pole group 4, this example be it is well known to those skilled in the art,
Do not repeat.
Separate, punched wherein on cell body partition wall 3, in order to make adjacent single lattice butt welding by cell body partition wall 3 between cell negative terminal
Lead part is welded.Due to which reducing butt-welding fitting height and space-consuming, therefore improve battery energy density；Simultaneously because it is electric
Streaming path is reduced, therefore can reduce accumulator internal resistance；Lead loss is saved simultaneously, reduces production cost.
The duct butt-welding method of this example is：
1）The both sides 13 of adjacent bus-bar are clamped using the weldering arm of welding machine；
2）The bus-bar after arm is clamped will be welded to move towards, drive butt-welding fitting 2 to extrude horizontally towards each other, because butt-welding fitting 2 is in groove
The center in hole, therefore the top of butt welding 2 can be made to go deep into slotted eye, until 2 adjacent butt-welding fittings 2 are contacted with each other, continue to press extremely
The top of butt-welding fitting 2 forms the contact footpath of certain area, and the contact general area in footpath is slotted eye area 30%, now keeps the pressure not
It is dynamic；
3）After stable, begin through weldering arm and be passed through electric current, of different sizes according to battery size, electric current is in 15KA, energization
Time is in 0.05s；
4）Using resistance heat so that butt-welding fitting melts, holding extruding force is constant in the process, and extruding force is 0.4MPa；
5）Continue to keep weldering arm motionless so that butt-welding fitting cooled and solidified, the retention time is 0.1s；
6）Weld arm and unclamp return, complete the whole butt welding cycle.
Embodiment 3：
On the basis of embodiment one, the present embodiment provides a kind of battery containing the butt welding lead part, including butt welding
Cell body partition wall 3 and pole group 4 in lead part, cell body partition wall 3 and pole group 4, this example be it is well known to those skilled in the art,
Do not repeat.
Separate, punched wherein on cell body partition wall 3, in order to make adjacent single lattice butt welding by cell body partition wall 3 between cell negative terminal
Lead part is welded.Due to which reducing butt-welding fitting height and space-consuming, therefore improve battery energy density；Simultaneously because it is electric
Streaming path is reduced, therefore can reduce accumulator internal resistance；Lead loss is saved simultaneously, reduces production cost.
The duct butt-welding method of this example is：
1）The both sides 13 of adjacent bus-bar are clamped using the weldering arm of welding machine；
2）The bus-bar after arm is clamped will be welded to move towards, drive butt-welding fitting 2 to extrude horizontally towards each other, because butt-welding fitting 2 is in groove
The center in hole, therefore the top of butt welding 2 can be made to go deep into slotted eye, until 2 adjacent butt-welding fittings 2 are contacted with each other, continue to press extremely
The top of butt-welding fitting 2 forms the contact footpath of certain area, and the contact general area in footpath is slotted eye area 80%, now keeps the pressure not
It is dynamic；
3）After stable, begin through weldering arm and be passed through electric current, of different sizes according to battery size, electric current is in 7KA, energization
Between in 0.05s；
4）Using resistance heat so that butt-welding fitting melts, holding extruding force is constant in the process, and extruding force is 0.8MPa；
5）Continue to keep weldering arm motionless so that butt-welding fitting cooled and solidified, the retention time is 0.7s；
6）Weld arm and unclamp return, complete the whole butt welding cycle.
Embodiment 4：
Refering to Fig. 5, the one kind provided for the application（The battery of 2 × 3 structures）Butt welding lead part.Butt welding lead part includes converging
Stream row 1, butt-welding fitting 2 and connector 5, the bus-bar 1 are used for cast welding, connector 3 after the group's plate ear insertion of pole and compressed comprising weldering arm
Face 13, welds arm compression, butt-welding fitting 2 and is connected to the side of connector 3, welding terminates its whole and is compressed in slotted eye during for butt welding
In.
The duct butt-welding method of this example is：
1）The both sides 13 of adjacent bus-bar are clamped using the weldering arm of welding machine；
2）The bus-bar after arm is clamped will be welded to move towards, drive butt-welding fitting 2 to extrude horizontally towards each other, because butt-welding fitting 2 is in groove
The center in hole, therefore the top of butt welding 2 can be made to go deep into slotted eye, until 2 adjacent butt-welding fittings 2 are contacted with each other, continue to press extremely
The top of butt-welding fitting 2 forms the contact footpath of certain area, and the contact general area in footpath is slotted eye area 50%, now keeps the pressure not
It is dynamic；
3）After stable, begin through weldering arm and be passed through electric current, of different sizes according to battery size, electric current is in 3KA, energization
Between in 0.6s；
4）Using resistance heat so that butt-welding fitting melts, holding extruding force is constant in the process, and extruding force is 1.0MPa；
5）Continue to keep weldering arm motionless so that butt-welding fitting cooled and solidified, the retention time is 1.0s；
6）Weld arm and unclamp return, complete the whole butt welding cycle.
The present invention provides a kind of butt welding lead part for saving lead loss, can realize compole group and the pole of batteries monomer battery
Series connection between group, can also reduce lead loss, and then reduce production cost, while also avoiding the space waste in battery design, carry
The energy density and bulk density of high battery.Butt-welding fitting and duct butt-welding method that the present invention is provided are high due to which reducing butt-welding fitting
Degree and space-consuming, therefore improve battery energy density；Simultaneously because its electric current carrying pathway is reduced, therefore it can reduce in battery
Resistance；Lead loss is saved simultaneously, reduces production cost.
Finally, above example and accompanying drawing are merely illustrative of the technical solution of the present invention and unrestricted, although by above-mentioned
The present invention is described in detail for embodiment, it is to be understood by those skilled in the art that can in form and carefully
Various changes are made to it on section, without departing from claims of the present invention limited range.
Claims (4)
1. a kind of duct butt-welding method for saving lead butt welding lead part, it is characterised in that：Described section lead butt welding lead part mainly includes converging
Stream row（1）And butt-welding fitting（2）, wherein, the bus-bar（1）Include pole group's plate ear cast welding face（11）, bus-bar sidepiece（12）With
Two weldering arm seal faces（13）, the butt-welding fitting（2）With bus-bar sidepiece（12）It is connected, pole group's plate ear cast welding face（11）With pole group
The plate ear connection of group, the pole plate of pole group is in parallel, bus-bar sidepiece（12）For butt-welding fitting（2）Link position, two weldering arms
Seal face（13）Weldering arm clamping position is provided in butt welding, so that weldering arm drives butt-welding fitting（2）Welding, described butt-welding fitting（2）
For cylinder, round platform, ball or ellipsoidal shape, its local diameter combined with bus-bar sidepiece is maximum, no more than cell body
Aperture, the local diameter away from bus-bar sidepiece diminishes, and its single volume is the 40%~70% of slotted eye volume, its specific processing step
Suddenly it is：The weldering arm of butt welding machine clamps the weldering arm seal face of bus-bar sidepiece, weldering arm seal face, and then extruding makes butt welding horizontally towards each other
Part is in contact, and then the welding that is powered, and continuing holding makes butt-welding fitting cooled and solidified, finally welds arm release and resets, completes whole butt welding
Cycle, wherein：
When extruding makes butt-welding fitting horizontally towards each other, the bus-bar after arm is clamped will be welded and moved towards, butt-welding fitting is driven（2）Level phase
To extruding, because of butt-welding fitting（2）In the center of slotted eye, make butt-welding fitting（2）Slotted eye is goed deep on top, until two adjacent butt welding
Part（2）Contact with each other, continue to press to butt-welding fitting（2）Top forms the contact footpath of certain area, and contact footpath area is slotted eye face
Long-pending 30%~80%, now keeps pressure motionless；
When being powered welding, after stable, begin through weldering arm and be passed through electric current, it is of different sizes according to battery size, electric current 3~
15KA, conduction time, in 0.05s~0.6s, using resistance heat so that butt-welding fitting melts, keep extruding force constant in the process,
Extruding force is 0.4~1.0MPa；
When continuing to keep, weldering arm is motionless so that butt-welding fitting cooled and solidified, the retention time is 0.1~1.0s.
2. a kind of duct butt-welding method for saving lead butt welding lead part according to claim 1, it is characterised in that：Described section lead pair
Weld the bus-bar in lead part（1）For cuboid or three-dimensional trapezium structure.
3. a kind of duct butt-welding method for saving lead butt welding lead part according to claim 1, it is characterised in that：Described butt-welding fitting
（2）In bus-bar sidepiece（12）Centre position, while it is also in the center of slotted eye, the two of consecutive roots group in butt welding
Individual butt-welding fitting is compressed in a slotted eye, and slotted eye is the hole in cell body partition wall, is circular or ellipse, thickness is with cell body partition wall
Thickness is identical.
4. a kind of battery of the butt welding lead part in 1-3 containing claim made by any one duct butt-welding method, its feature
It is：The battery includes leaning on cell body partition wall to separate between butt welding lead part, cell body partition wall and pole group, cell negative terminal, its
Punched on bracket groove partition wall, in order to weld adjacent single lattice butt welding lead part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610652838.8A CN106058329B (en) | 2016-08-11 | 2016-08-11 | One kind section lead butt welding lead part and its duct butt-welding method |
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| CN201610652838.8A CN106058329B (en) | 2016-08-11 | 2016-08-11 | One kind section lead butt welding lead part and its duct butt-welding method |
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| CN106058329B true CN106058329B (en) | 2017-09-26 |
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| CN111769248A (en) * | 2020-07-01 | 2020-10-13 | 骆驼集团蓄电池研究院有限公司 | Method for quickly disassembling butt welding part of storage battery busbar |
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| CN102916153B (en) * | 2011-08-04 | 2015-06-10 | 深圳市雄韬电源科技股份有限公司 | Unpaired weldment lead-acid battery pack |
| CN202434619U (en) * | 2011-12-15 | 2012-09-12 | 深圳市雄韬电源科技股份有限公司 | Through-the-partition welding device for improving volumetric specific energy of lead-acid storage battery and lead-acid storage battery |
| CN103762333B (en) * | 2014-01-10 | 2015-12-09 | 超威电源有限公司 | A kind of joining method of how single lattice Lead storage battery busbar |
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