CN207149616U - Battery welding device and battery modules - Google Patents
Battery welding device and battery modules Download PDFInfo
- Publication number
- CN207149616U CN207149616U CN201721197347.5U CN201721197347U CN207149616U CN 207149616 U CN207149616 U CN 207149616U CN 201721197347 U CN201721197347 U CN 201721197347U CN 207149616 U CN207149616 U CN 207149616U
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- battery
- collector plate
- welding device
- welding
- plate
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- 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
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- 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of battery welding device and battery modules, is related to welding battery technical field.The apparatus structure is simple, reliability is high, easily operated, is favorably improved production efficiency.Specifically, the device presses collector plate by being provided with the drive module of multiple thimbles, collector plate is contacted with battery core；Power module collector plate connects, and forms multiple closed-loop paths with multiple battery cores, collector plate.Power module melts collector plate and the contact position of multiple battery cores, and then realize welding by carrying out pulsed discharge to multiple battery cores.That is the device can complete multiple battery cores simultaneously and the welding of collector plate operates, and improve the efficiency of welding.
Description
Technical field
Welding battery technical field is the utility model is related to, in particular to a kind of battery welding device and battery mould
Group.
Background technology
With the development of new energy technology, the market share that electrokinetic cell occupies is increasing.In electrokinetic cell system,
In order to obtain meet system needs capacity and voltage, it is necessary to by multiple single battery cores pass through series connection and/or parallel connection form group
Altogether.And the process for implementing series connection and parallel connection is by effectively contacting by the electrode of single battery core with corresponding collector plate
Mode connect.So-called effectively connected mode can be achieved on the conducting of circuit, can preferably reduce contact resistance.
In the prior art, most enterprises are to combine the battery core electrode in module with collector plate by way of welding one by one.Should
Technique welding sequence is more, Welder's duration, less efficient.
Therefore, a kind of device to solve the above problems how is provided, it has also become those skilled in the art's urgent need to resolve
Technical problem.
Utility model content
In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of battery welding device and battery mould
Group, to solve the above problems.
To achieve these goals, the technical scheme that the utility model preferred embodiment is provided is as follows：
The utility model preferred embodiment provides a kind of battery welding device, for making battery core mutually be welded with collector plate, institute
Stating battery welding device includes：
It is provided with the drive module of multiple thimbles；
For providing the power module of the pulse power for pulse welding；
The collector plate is provided with to be used for the connecting portion corresponding with the electrode of multiple battery cores, the power module
Electrically connected in the collector plate, so that the power module, multiple battery cores, collector plate form multiple closed-loop paths；The drive
Dynamic model block is used for the connecting portion for driving the thimble to extrude the collector plate, so that the collector plate passes through the connecting portion and institute
State the electrode contact of battery core.
In preferred embodiment of the present utility model, above-mentioned drive module includes cylinder and is connected with the cylinder-driven
Piston, multiple thimbles are arranged on the piston.
In preferred embodiment of the present utility model, above-mentioned drive module also includes connecting plate, the side of the connecting plate
It is fixedly connected with the piston, multiple thimbles are arranged on the opposite side of the connecting plate.
In preferred embodiment of the present utility model, above-mentioned drive module is two, is respectively used to pressing and battery core positive electricity
Collector plate corresponding to pole and negative electrode.
In preferred embodiment of the present utility model, above-mentioned connecting portion is Flexible Connector, the one of the Flexible Connector
Side is provided with the boss structure for being contacted with the battery core, and the opposite side corresponding with the boss structure is and the thimble
The groove being engaged.
In preferred embodiment of the present utility model, above-mentioned Flexible Connector is for making the collector plate and the battery core
The electroconductive elastic sheet of elastic connection.
In preferred embodiment of the present utility model, above-mentioned power module is provided with two and is used to be electrically connected with the current collection
The connection terminal of piece.
In preferred embodiment of the present utility model, the free end of above-mentioned thimble is provided with what is formed by insulation flexible material
Extrusion.
In preferred embodiment of the present utility model, above-mentioned thimble is the column structure that insulating materials is formed.
Preferred embodiment of the present utility model also provides a kind of battery modules, and the battery modules include multiple for fixing
The fixed plate of battery core, the collector plate welded by above-mentioned battery welding device and multiple battery cores, the fixed plate offer
Multiple fixed vias, multiple battery cores are fixed by corresponding fixed via, and the fixed plate is away from the battery core
Side is used to carry collector plate, and the collector plate is used to be connected with the electrode of multiple battery cores by the fixed via, with
Aggregate current.
In terms of existing technologies, battery welding device provided by the utility model and battery modules at least have following
Beneficial effect：The apparatus structure is simple, reliability is high, easily operated and improve production efficiency.Specifically, the device passes through
The drive module pressing collector plate of multiple thimbles is provided with, collector plate is contacted with battery core；Power module collector plate connects, and with
Multiple battery cores, collector plate form multiple closed-loop paths.Power module by multiple battery cores carry out pulsed discharge, make collector plate with
The contact position fusing of multiple battery cores, and then realize welding.That is the device can complete multiple battery cores and collector plate simultaneously
Welding operation, improve the efficiency of welding.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, the utility model cited below particularly compared with
Good embodiment, and accompanying drawing appended by cooperation, are described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described.It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is one of structural representation of battery welding device that the utility model preferred embodiment provides.
Fig. 2 is the explosive view for the battery modules that the utility model preferred embodiment provides.
Fig. 3 is the structural representation for the collector plate that the utility model preferred embodiment provides.
Fig. 4 is the close-up schematic view at I positions in Fig. 3.
Fig. 5 is the two of the structural representation for the battery welding device that the utility model preferred embodiment provides.
Fig. 6 is the three of the structural representation for the battery welding device that the utility model preferred embodiment provides.
Icon：100- battery welding devices；110- drive modules；111- thimbles；112- extrusions；120- power modules；
130- battery cores；140- collector plates；141- connecting portions；142- Flexible Connectors；143- boss structures；144- grooves；145- whirlpools
Shape through hole；200- battery modules；210- fixed plates.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be matched somebody with somebody with a variety of
Put to arrange and design.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based on reality of the present utility model
Example is applied, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, is belonged to
The scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " in ", " on ", " under ", " level ", " interior ", " outer "
Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, or the utility model product use
When the orientation usually put or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or
Imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that
To limitation of the present utility model.In addition, term " first ", " second " etc. be only used for distinguish description, and it is not intended that instruction or
Imply relative importance.
In addition, the term such as term " level ", " vertical " is not offered as requiring part abswolute level or pendency, but can be slightly
Low dip.Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent that the structure must be complete
It is complete horizontal, but can be slightly tilted.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " is set in description of the present utility model
Put ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection.Can be mechanical connection or electric connection.Can be joined directly together, the indirect phase of intermediary can also be passed through
Even, can be the connection of two element internals.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
Concrete meaning of the term in the utility model.
Below in conjunction with the accompanying drawings, some embodiments of the present utility model are elaborated.In the case where not conflicting, under
Feature in the embodiment and embodiment stated can be mutually combined.
First embodiment：
Refer to Fig. 1, be the utility model preferred embodiment provide battery welding device 100 structural representation it
One.The battery welding device 100 can be welded to multiple battery cores 130 with collector plate 140 simultaneously by pulse charge/electric discharge.
Specifically, the battery welding device 100 may include drive module 110 and power module 120.The drive module 110 is set
There are multiple thimbles 111 being engaged with collector plate 140, the power module 120 can carry out pulse charge/electric discharge.
In the present embodiment, the collector plate 140 can contact with the electrode of multiple battery cores 130, be carried out in power module 120
During pulse charge/electric discharge, it can ensure that collector plate 140 and battery core 130 are "on" position.Understandably, collector plate 140 is conductance
High metal material, such as the metal such as copper, aluminium, aluminium alloy.Battery core 130 and the contact site of the collector plate 140 are high for conductance
Metal, the metal species can with to form the metal phase of collector plate 140 same, can also be different.If both metal species are different,
Alternatively, the melting point metal of collector plate 140 is formed less than the melting point metal for forming the contact site of battery core 130, can be avoided in pulse
Burn-through battery core 130 during welding.
Fig. 2, Fig. 3 and Fig. 4 are refer to, wherein, Fig. 2 is the battery modules 200 that the utility model preferred embodiment provides
Explosive view, Fig. 3 be the utility model preferred embodiment provide collector plate 140 structural representation, Fig. 4 be Fig. 3 in I positions
Close-up schematic view.In the present embodiment, the collector plate 140 can be set for the electrode with multiple battery cores 130
Corresponding connecting portion 141, the collector plate 140 can be contacted by the connecting portion 141 with the electrode of the battery core 130.Can
Understanding ground, collector plate 140 is provided with multiple connecting portions 141, and a connecting portion 141 is used to contact with the electrode of a battery core 130,
So that power module 120, collector plate 140, multiple battery cores 130 form multiple conductive closed-loop paths.
In each embodiment provided by the utility model, connecting portion 141 can be conductive Flexible Connector 142.The bullet
Property connector 142 can be laminated structure, such as, the Flexible Connector 142 is electroconductive elastic sheet, certainly, the Flexible Connector 142
Can also be power spring, conductor wire etc..What deserves to be explained is the Flexible Connector 142 can be with the one of collector plate 140 into
Type or the conductive structure being welded on collector plate 140.
Further, the side of the Flexible Connector 142 may be provided with for being easy to welded structure.For example, the bullet
The side of property connector 142 can be set the boss structure 143 for being contacted with the battery core 130, and with the boss structure 143
Corresponding side is the groove 144 to be cooperated with thimble 111.
Understandably, the collector plate 140 is formed for being pressed for thimble 111 by punching press in the side of collector plate 140
Groove 144, and corresponding opposite side just forms the boss structure 143.The boss structure 143 namely collector plate 140 with
The position of the contact electrode of battery core 130 (or welding).When thimble 111 presses collector plate 140, the free end of thimble 111 is with being somebody's turn to do
Groove 144 contacts, and by applying pressure to the groove 144, boss structure 143 can be made fully to be contacted with battery core 130.
Further, the region of the boss structure 143 and the contact electrode of battery core 130 is smooth position, is contributed to
Improve the firmness of battery core 130 and collector plate 140 after welding, that is, weld do not allow it is easy to fall off.The boss structure 143 with it is recessed
Groove 144 is corresponding, such as, the boss structure 143 is truncated cone-shaped structure, and corresponding groove 144 is just round platform connected in star 144.Should
Boss structure 143 and the geomery of groove 144 can be configured according to actual conditions, be not especially limited here.
In the present embodiment, collector plate 140 offers swirling through hole 145 with the 130 corresponding position of battery core, corresponding
The collector plate 140 at position is in the metallic sheet-like formation of whirlpool, and the centre of the laminated structure is used to weld with battery core 130.Can
Understand ground, the metallic sheet-like formation is just the Flexible Connector 142, that is, the sheet metal construction formed is flexible, can make
Collector plate 140 and the elastic connection of battery core 130 after welding, improve collector plate 140 and the steadiness of the junction of battery core 130.Battery
Group can avoid causing pad to come off because relative movement occurs with battery core 130 for collector plate 140 in moving process.Based on upper
Design is stated, the laminated structure can be the cushion space that collector plate 140 improves relative movement with battery core 130, also absorbable relative fortune
Portion of energy during dynamic, what alleviation pad was born in relative movement thereof pulls power, after also allowing for welding
Collector plate 140 and battery core 130 are difficult for drop-off.
In the present embodiment, the power module 120 is used for and the collector plate 140 electrically connects, so that power module
120th, multiple battery cores 130, collector plate 140 form multiple closed-loop paths.When power module 120 applies pulse electricity to collector plate 140
During stream, multiple closed-loop paths are conducting state, and the contact area of the electrode of battery core 130 and collector plate 140 will be because of pulse electricity
The raw substantial amounts of heat of miscarriage, the metal molten of contact area can be made；During power module 120 applies pulse current, driving
Module 110 can drive thimble 111 to press position of the battery core 130 corresponding to the contact area of collector plate 140, in thimble 111
Under pressing effect, fusing metal can be bonded, after the cooling period, just realize the welding of collector plate 140 and battery core 130, also just reach
To the purpose for welding multiple battery cores 130 and collector plate 140 simultaneously.
What deserves to be explained is the power module 120 can be the pulse power for carrying out pulsed discharge.Discharge current size
And frequency can be configured according to actual conditions.Such as can according to the contact resistance of battery core 130 and the contact position of collector plate 140 with
And corresponding fusing point sets the size and frequency of discharge current, is not especially limited here.In addition, the battery core that can be welded simultaneously
130 numbers can be configured according to actual conditions, be not especially limited here.
Further, the pulse power can be pulse power supply, multiple-pulse power supply.Understandably, the pulse power exists
In pulse welding process, although battery core 130 contacts with collector plate 140, its contact resistance is greater than other positions of loop
Resistance, using heating effect of current, contact area can be made to produce substantial amounts of heat and then make corresponding metal molten.
Specifically, when current lead-through, several times, tens times etc. of pulse peak current equivalent to conventional DC electric current.Cause
Battery core 130 and the resistance of the contact area of collector plate 140 are larger, and it is big that this high instantaneous current density can produce the contact area
Calorimetric, the metal of the contact area of multiple battery cores 130 and collector plate 140 just rapid melting, forms multiple solder joints.In thimble 111
Pressing effect under, collector plate 140 and the fusing metal of multiple junctions of battery core 130 are bonding, after cooling, collector plate 140 and
Multiple battery cores 130 are also at firm connection status.
In the present embodiment, the drive module 110 can be formed by multiple parts are combined.For example, the drive module
110 components formed for cylinder and piston mutual cooperation.The cylinder and piston is connected, and multiple thimbles 111 are arranged on this
On piston, and cooperated with collector plate 140, pressure is applied with the position for needing to weld to collector plate 140, improves welding effect
Fruit.
In the present embodiment, the drive module 110 can also include connecting plate, and side and the piston of the connecting plate are fixed
Connection, opposite side are provided with multiple thimbles 111.Understandably, multiple thimbles 111 are realized and piston by connecting plate
Connection.Cylinder can transport the connecting plate that is connected with the cylinder and multiple thimbles 111 on connecting plate by driving piston
It is dynamic, and then the action of pressing collector plate 140 and battery core 130 can be realized.
Alternatively, the number of thimble 111 is identical with the quantity of battery core 130 for needing to weld, and a thimble 111 is used to be directed to
One battery core 130 is pressed, to improve the welding effect of each solder joint.In addition, the thimble 111 can be to have insulating materials shape
Into column structure be electrically isolated so that drive module 110 and collector plate 140 are realized.
Specifically, can be that cylindrical-shaped structure, prismatic structure or cylinder and prism are combined form the column structure
Structure etc..The insulating materials can have resistant to elevated temperatures feature, such as, form the thimble 111 material include but is not limited to ceramics,
Glass, rubber etc..
In the present embodiment, the move distance of piston can be configured according to actual conditions, as long as the move distance can make
Thimble 111 presses to collector plate 140, is not especially limited here.In addition, each thimble 111 is when pressing collector plate 140,
The pressure applied to collector plate 140 can be configured according to actual conditions, as long as the pressure can make collector plate 140 and battery core 130
Firmly connection, is not especially limited at this to the pressure size.
In other embodiments, drive module 110 can also be different from the part in above-mentioned embodiment.Such as
The drive module 110 is linear electric motors, and by the way that thimble 111 is arranged on the mover of linear electric motors, the pressure of thimble 111 can be achieved
Conjunction acts.Understandably, if drive module 110 drive thimble 111 to move so that collector plate 140 press each battery core 130 both can,
Here the species of drive module 110 is not especially limited.
In the present embodiment, the collector plate 140 for welding can be one, and corresponding drive module 110 is just one.
When being welded to the collector plate 140 and corresponding battery core 130, an electrode and the electricity of collector plate 140 of power module 120
Core 130 connects, and another electrode can be by drawing multiple conducting wires and electrode electricity of the corresponding battery core 130 away from the side of collector plate 140
Property connection.Understandably, the identical electrodes of multiple battery cores 130 are located at the same side, and match with 120 corresponding electrode of power module
Close, for example the positive electrode of power module 120 is connected with the negative electrode of battery core 130, negative electrode and the battery core 130 of power module 120
Positive electrode be connected, to form current loop.
Further, power module 120 may be provided with the connection terminal being connected with collector plate 140.By connection terminal with
Collector plate 140 connects, to reduce the contact resistance of power module 120 and collector plate 140.Wherein, the connection terminal can be to lead
Electric elastic clip, the elastic clip may include two contact chips, for being clipped in the both sides of collector plate 140, increase and collector plate 140
Contact area, reduce contact resistance.
In other embodiments, the connection terminal can also be conducting strip, be set on the conducting strip and collector plate 140
Be equipped be engaged by and passing through screw or bolt and realizing and fix.Conducting strip can increase power module 120 and collector plate 140
Contact area, and then reduce contact resistance, be advantageously implemented the welding of collector plate 140 and multiple battery cores 130.
Understandably, the collector plate 140 is used for the electric current for converging multiple 130 same electrodes of battery core, so that multiple battery cores
The bigger battery pack of 130 composition power outputs.And above-mentioned design is based on, battery core 130 can be improved and the welding of collector plate 140 is imitated
Rate, and then it is favorably improved the efficiency that assembling produces the battery pack.
Second embodiment：
Refer to Fig. 5, be the utility model preferred embodiment provide battery welding device 100 structural representation it
Two.Battery welding device 100 its shape design, operation principle and the technique effect of acquirement that second embodiment provides and the first reality
The essentially identical of example offer is applied, difference is, the free end of the thimble 111 in second embodiment may be provided with soft by insulating
Property material formed extrusion 112.The extrusion 112 can make drive module 110 realize electric isolution with collector plate 140, in addition, soft
Property material extrusion 112 impulsive force of thimble 111 can be avoided to spend big and damage collector plate 140.
Understandably, the extrusion 112 can absorb part and impacted during thimble 111 collides pressing collector plate 140
Power, play cushioning effect.Alternatively, the insulation flexible material is resistant to elevated temperatures material, such as asbestos, silica gel glass fibre, carbon
Fiber silicon rubber etc., is not especially limited herein.
3rd embodiment：
It refer to the three of the structural representation that Fig. 6 is the battery welding device 100 that the utility model preferred embodiment provides.
Battery welding device 100 its shape design, operation principle and the technique effect of acquirement that 3rd embodiment provides and the first implementation
Example provides essentially identical, and difference is, the drive module 110 in 3rd embodiment can be two.Two driving moulds
The collector plate 140 that block 110 is respectively used to press the both sides of battery core 130 is pressed, so that the collector plate 140 of both sides and each battery core
130 two electrodes fully contact in welding process, improve welding effect.
In this embodiment, the battery welding device 100 can be simultaneously to 130 liang of electrodes of battery core and corresponding collector plate 140
Welded.For example in welding, the positive electrode of multiple battery cores 130 contacts with a collector plate 140, and pass through a driving
Portion is pressed；The negative electrode of multiple battery cores 130 contacts with another collector plate 140, is pressed by another drive division, power supply
The output end of module 120 is connected with two collector plates 140 respectively；By applying pre-set current value and default frequency to collector plate 140
The pulse current of rate, each battery core 130 and the metal molten of the contact area of collector plate 140 can be made, along with the top of drive division
Under the pressing effect of pin 111, welding sequence can be completed.Wherein, pre-set current value and predeterminated frequency can be according to actual conditions
It is configured, is not especially limited here.
In the present embodiment, the free end of the thimble 111 can also set above-mentioned extrusion 112, to improve pressing
During reliability.
Fourth embodiment：
Referring once again to Fig. 2, preferred embodiment of the present utility model also provides a kind of battery modules 200, the welding battery
System can be used for fixing the fixed plate 210 of multiple battery cores 130, be welded by the battery welding device 100 in above-described embodiment
The collector plate 140 and multiple battery cores 130 connect.The fixed plate 210 offers multiple fixed vias, multiple battery cores 130
It is fixed by corresponding fixed via, side of the fixed plate 210 away from the battery core 130 is used to carry collector plate
140, the collector plate 140 is used to be connected with the electrode of multiple battery cores 130 by the fixed via, with aggregate current.
Wherein, the fixed plate 210 can be one or two.Preferably, the fixed plate 210 is two.For example, two
Individual fixed plate 210 fixes the both ends of multiple battery cores 130 respectively, is relatively fixed multiple battery cores 130, it is not easy to and it is mobile, contribute to
The life-span of weld is improved, avoids battery core 130 from being come off from collector plate 140.
In addition, welding the battery core 130 and collector plate 140 in the battery modules 200 by above-mentioned welder, can improve
Assemble the production efficiency of the battery modules 200., can also be further if opening up above-mentioned swirling through hole 145 on collector plate 140
Improve battery core 130 and the life-span of the weld of collector plate 140.
In summary, the utility model provides a kind of battery welding device and battery modules.The device is more by being provided with
The drive module pressing collector plate of individual thimble, makes collector plate be contacted with battery core；Power module collector plate connect, and with multiple electricity
Core, collector plate form multiple closed-loop paths.Power module makes collector plate and multiple electricity by carrying out pulsed discharge to multiple battery cores
The contact position fusing of core, and then realize welding.The apparatus structure is simple and practical, reliability is high and is easy to welding to operate, can be simultaneously
The welding for completing multiple battery cores and collector plate operates, and is favorably improved the efficiency of welding, and then improve production efficiency.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. battery welding device, it is characterised in that for making battery core mutually be welded with collector plate, the battery welding device bag Include：It is provided with the drive module of multiple thimbles；For providing the power module of the pulse power for pulse welding；The collector plate is provided with for the connecting portion corresponding with the electrode of multiple battery cores, the power module be used for and The collector plate electrical connection, so that the power module, multiple battery cores, collector plate form multiple closed-loop paths；The driving mould Block is used for the connecting portion for driving the thimble to extrude the collector plate, so that the collector plate passes through the connecting portion and the electricity The electrode contact of core.
- 2. battery welding device according to claim 1, it is characterised in that the drive module include cylinder and with institute The piston of cylinder-driven connection is stated, multiple thimbles are arranged on the piston.
- 3. battery welding device according to claim 2, it is characterised in that the drive module also includes connecting plate, institute The side for stating connecting plate is fixedly connected with the piston, and multiple thimbles are arranged on the opposite side of the connecting plate.
- 4. battery welding device according to claim 1, it is characterised in that the drive module is two, is respectively used to Pressing collector plate corresponding with battery core positive electrode and negative electrode.
- 5. battery welding device according to claim 1, it is characterised in that the connecting portion is Flexible Connector, described The side of Flexible Connector is provided with the boss structure for being contacted with the battery core, and corresponding with the boss structure is another Side is the groove being engaged with the thimble.
- 6. battery welding device according to claim 5, it is characterised in that the Flexible Connector is for making the collection Electric piece and the electroconductive elastic sheet of the battery core elastic connection.
- 7. battery welding device according to claim 1, it is characterised in that the power module is provided with two and is used for electricity Property the connection collector plate connection terminal.
- 8. battery welding device according to claim 1, it is characterised in that the free end of the thimble is provided with by insulating The extrusion that flexible material is formed.
- 9. battery welding device according to claim 1, it is characterised in that the thimble is the column that insulating materials is formed Structure.
- A kind of 10. battery modules, it is characterised in that the battery modules include be used for fix multiple battery cores fixed plate, by State collector plate and the multiple battery cores that the battery welding device in claim 1-9 described in any one is welded, the fixation Plate offers multiple fixed vias, and multiple battery cores are fixed by corresponding fixed via, and the fixed plate is away from institute The side for stating battery core is used to carry collector plate, and the collector plate is used for the electrode by the fixed via and multiple battery cores Connection, with aggregate current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197347.5U CN207149616U (en) | 2017-09-18 | 2017-09-18 | Battery welding device and battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197347.5U CN207149616U (en) | 2017-09-18 | 2017-09-18 | Battery welding device and battery modules |
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| Publication Number | Publication Date |
|---|---|
| CN207149616U true CN207149616U (en) | 2018-03-27 |
Family
ID=61668060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721197347.5U Active CN207149616U (en) | 2017-09-18 | 2017-09-18 | Battery welding device and battery modules |
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| Country | Link |
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| CN (1) | CN207149616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611329A (en) * | 2017-09-18 | 2018-01-19 | 华霆（合肥）动力技术有限公司 | Battery welding device and battery modules |
| CN115241608A (en) * | 2022-08-20 | 2022-10-25 | 深圳市赛尔摩星科技有限公司 | A current collector plate and cylindrical lithium battery |
-
2017
- 2017-09-18 CN CN201721197347.5U patent/CN207149616U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611329A (en) * | 2017-09-18 | 2018-01-19 | 华霆（合肥）动力技术有限公司 | Battery welding device and battery modules |
| CN107611329B (en) * | 2017-09-18 | 2024-03-08 | 华霆（合肥）动力技术有限公司 | Battery welding device and battery module |
| CN115241608A (en) * | 2022-08-20 | 2022-10-25 | 深圳市赛尔摩星科技有限公司 | A current collector plate and cylindrical lithium battery |
| CN115241608B (en) * | 2022-08-20 | 2024-03-22 | 深圳市赛尔摩星科技有限公司 | Current collecting plate and cylindrical lithium battery |
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Address after: 230000 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230000 No. 26, No. 5, Tsing Luen Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Huating (Hefei) Power Technology Co., Ltd. |
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