CN208862079U - A kind of power battery module - Google Patents
A kind of power battery module Download PDFInfo
- Publication number
- CN208862079U CN208862079U CN201821705636.6U CN201821705636U CN208862079U CN 208862079 U CN208862079 U CN 208862079U CN 201821705636 U CN201821705636 U CN 201821705636U CN 208862079 U CN208862079 U CN 208862079U
- Authority
- CN
- China
- Prior art keywords
- cushion block
- tab cushion
- tab
- power battery
- cell polar
- 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.)
- Active
Links
Classifications
-
- 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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of power battery modules, including module center, busbar connector, the battery core being installed on module center and tab cushion block and the cell polar ear being connected with battery core；The cell polar ear is connected with the tab cushion block；The tab cushion block is connected with the busbar connector；The cell polar ear and the tab cushion block are in face contact；The tab cushion block and the busbar connector are in face contact.The utility model effectively prevents multilayer material superposition and carries out laser penetration welding, and bring failure welding product the problems such as rosin joint, contact resistance is big easily occur, influence the quality of production of power battery module.
Description
Technical field
The utility model relates to battery technology fields, more particularly, to a kind of power battery module.
Background technique
Just in high speed development, the especially development of pure electric vehicle new energy vehicle has reached red-hot new energy industry at present
Change state.Cell polar ear and busbar connector is connected with the modes such as ultrasonic bond, Laser Welding, mechanical connection, mesh in power battery module
It is preceding frequently be reliably connected mode be mainly laser penetration welding.Its specific embodiment is by tab cushion block, cell polar ear
It is successively superimposed with busbar connector, laser is welded on tab cushion block after successively penetrating busbar connector and tab when welding, this multilayer material
The welding manner that material superposition carries out laser penetration causes pole the problems such as often will appear failure welding product, and be easy to appear rosin joint
Weld strength is inadequate between ear pad block, cell polar ear and busbar connector, causes between tab cushion block and cell polar ear and battery core pole
Contact area is small between ear and busbar connector, generates many point contacts, to occur between tab cushion block and cell polar ear and electric
Contact resistance is big between core lug and strap, influences the quality of production of power battery module, so that power battery module makes
Used time will cause localized hyperthermia, power battery module temperature acquisition precision be influenced, to the problems such as around plastic parts damages.
Utility model content
The purpose of this utility model, which is that, has overcome the deficiencies of the prior art and provide a kind of power battery module, this reality
It is effectively prevented multilayer material superposition with novel and is carried out laser penetration welding, bring failure welding product rosin joint easily occur, contact
The problems such as resistance is big influences the quality of production of power battery module.
To achieve the goals above, the utility model provides a kind of power battery module, including module center, confluence
The battery core and tab cushion block that arrange, are installed on module center and the cell polar ear being connected with battery core；The cell polar ear with
The tab cushion block is connected；The tab cushion block is connected with the busbar connector；The cell polar ear and the tab cushion block
In face contact；The tab cushion block and the busbar connector are in face contact.
Further, two battery cores are installed on the module center, two cell polar ears respectively with the tab
The not ipsilateral of cushion block is connected.
Further, the tab cushion block is equipped with through-hole.
Further, the tab cushion block it is in long strip and along its length on different location it is having the same transversal
Face.
Further, the trapezoidal structure in cross section of the tab cushion block.
Further, the cross section of the tab cushion block is in isosceles trapezoidal structure.
Further, merge connection with the trapezoidal waist face paste of the tab cushion block after the cell polar ear end bending；Institute
It states busbar connector and merges connection with the trapezoidal bottom face paste of the tab cushion block.
Further, the cell polar ear is mutually welded with the tab cushion block；The tab cushion block and the busbar connector phase
Welding.
The utility model has the beneficial effects that the utility model cell polar ear is connected with tab cushion block, and tab cushion block with
Busbar connector is connected, and only exists the connection of materials at two layers, reduces cell polar ear, the requirement that tab cushion block is connected with busbar connector,
Yields is greatly improved, the welding procedure for being especially reduction of cell polar ear and tab cushion block, tab cushion block and busbar connector is wanted
It asks, avoids the occurrence of the inadequate problem of rosin joint, weld strength, ensure that the quality of production of power battery module.This is practical new simultaneously
Type cell polar ear and tab cushion block are in face contact, and tab cushion block and busbar connector are in face contact, considerably increase cell polar ear and pole
Contact area after ear pad block is connected and tab cushion block is connected with busbar connector, thus cell polar ear and tab cushion block and
Tab cushion block and busbar contact resistance are small, to will not generate localized hyperthermia when power battery module use, are effectively ensured
Power battery module temperature acquisition precision, substantially increases the service life of power battery module.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 be the utility model power battery module include a module center when perspective view.
Fig. 2 is the cross-sectional view of Fig. 1.
Fig. 3 be the utility model power battery module include six side-by-side modules centers when perspective view.
Specific embodiment
Utility model is further illustrated with reference to the accompanying drawing, but is not intended to limit the scope of the present invention.
As illustrated in fig. 1 and 2, present embodiment provide a kind of power battery module, including module center 1, busbar connector 5,
The battery core 2 and tab cushion block 3 that are installed on module center 1 and the cell polar ear 4 being connected with battery core 2；The cell polar ear 4
It is connected with the tab cushion block 3；The tab cushion block 3 is connected with the busbar connector 5；The cell polar ear 4 and the pole
Ear pad block 3 is in face contact；The tab cushion block 3 is in face contact with the busbar connector 5.Preferably, the cell polar ear 4 with it is described
The welding of 3 phase of tab cushion block；The tab cushion block 3 is welded with 5 phase of busbar connector, and the laser penetration that is welded as herein is welded.
Cell polar ear 4 is connected with tab cushion block 3 in present embodiment, and tab cushion block 3 is connected with busbar connector 5, only
There are the connections of materials at two layers, reduce cell polar ear 4, the requirement that tab cushion block 3 is connected with busbar connector 5, greatly improve good
Product rate is especially reduction of the welding process requirement of cell polar ear 4 and tab cushion block 3, tab cushion block 3 and busbar connector 5, avoids out
The inadequate problem of existing rosin joint, weld strength, ensure that the quality of production of power battery module.
Cell polar ear 4 and tab cushion block 3 are in face contact in present embodiment, and tab cushion block 3 and busbar connector 5 are in face contact,
Cell polar ear 4 and the contact area after tab cushion block 3 is connected and tab cushion block 3 is connected with busbar connector 5 are considerably increased,
Therefore cell polar ear 4 and tab cushion block 3 and tab cushion block 3 and 5 contact resistance of busbar connector are small, so that power battery module uses
Shi Buhui generates localized hyperthermia, and power battery module temperature acquisition precision has been effectively ensured, has substantially increased power battery module
Service life.
As illustrated in fig. 1 and 2, two pieces of battery cores 2, cell polar ear 4 and tab in two pieces of battery cores 2 are installed in module center 1
The not ipsilateral of cushion block 3 is connected, and forms two pieces of battery cores, 2 parallel connection, forms a 2P power battery module, therefore present embodiment
It is connected using the different sides of tab cushion block with tab cushion block and busbar connector, only exists the connection of materials at two layers, it is firm to connect.And
After two cell polar ears 4 are stacked on tab cushion block 3 by the prior art, then busbar connector 5 is stacked on cell polar ear 4, forms multilayer material,
Failure welding product are caused, the problem of rosin joint, weld strength not enough etc. easily occur.
Present embodiment is it is further preferred that the tab cushion block 3 is equipped with through-hole 301.Present embodiment is reducing pole
While ear pad 3 material utilization amount of block, increase the contact area of cell polar ear 4 and tab cushion block 3, busbar connector 5 and tab cushion block 3,
Save the cost can guarantee bonding strength again.Tab cushion block 3 is fixed in the module using the technique of in-mould injection in present embodiment
On frame 1.
Present embodiment it is further preferred that the tab cushion block 3 it is in long strip and along its length on different location
Cross section having the same.The trapezoidal structure in cross section of the tab cushion block 3.Preferably, the cross section of the tab cushion block 3
In isosceles trapezoidal structure.And merge connection with the trapezoidal waist face paste of the tab cushion block 3 after 4 end of the cell polar ear bending；
The busbar connector 5 merges connection with the trapezoidal bottom face paste of the tab cushion block 3.So further improve cell polar ear 4 and pole
Contact area between ear pad block 3 and between busbar connector 5 and tab cushion block 3.And between cell polar ear 4 and tab cushion block 3, converge
It is two layers of welding between stream row 5 and tab cushion block 3, it is firm to weld, and contact area is big, and contact resistance is small.Present embodiment is not
Under the premise of changing welding procedure and weld size, change the structure of welding position and tab cushion block 3 and cell polar ear 4, thus
The welding quality of cell polar ear 4, tab cushion block 3 and busbar connector 5 is effectively improved, ensure that the production matter of power battery module
Amount.
Power battery module as shown in Figure 3 includes six module centers 1 side by side, under the action of busbar connector 5, by phase
Tab cushion block 3 on adjacent two module centers 1 is connected, thus by in a module center 1 two battery cores 2 and another module in parallel
Two battery cores 2 in parallel are cascaded in frame 1, form the power battery module of 2P6S string.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection scope is asked to be defined by appended claims and its equivalent.
Claims (8)
1. a kind of power battery module, including module center, busbar connector, the battery core being installed on module center and tab cushion block with
And the cell polar ear being connected with battery core；The cell polar ear is connected with the tab cushion block；It is characterized in that, the tab
Cushion block is connected with the busbar connector；The cell polar ear and the tab cushion block are in face contact；The tab cushion block with it is described
Busbar connector is in face contact.
2. a kind of power battery module according to claim 1, which is characterized in that be equipped with described in two on the module center
Battery core, two cell polar ears are connected with the not ipsilateral of the tab cushion block respectively.
3. a kind of power battery module according to claim 1, which is characterized in that the tab cushion block is equipped with through-hole.
4. any one of -3 a kind of power battery module according to claim 1, which is characterized in that the tab cushion block is in strip
Shape and along its length on different location cross section having the same.
5. a kind of power battery module according to claim 4, which is characterized in that the cross section of the tab cushion block is trapezoidal
Structure.
6. a kind of power battery module according to claim 5, which is characterized in that the cross section of the tab cushion block is in isosceles
Trapezium structure.
7. according to a kind of power battery module of claim 5 or 6, which is characterized in that after the cell polar ear end bending
Merge connection with the trapezoidal waist face paste of the tab cushion block；The busbar connector merges company with the trapezoidal bottom face paste of the tab cushion block
It connects.
8. a kind of power battery module according to claim 1, which is characterized in that the cell polar ear and the tab cushion block
Mutually weld；The tab cushion block is mutually welded with the busbar connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705636.6U CN208862079U (en) | 2018-10-22 | 2018-10-22 | A kind of power battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705636.6U CN208862079U (en) | 2018-10-22 | 2018-10-22 | A kind of power battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208862079U true CN208862079U (en) | 2019-05-14 |
Family
ID=66421321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821705636.6U Active CN208862079U (en) | 2018-10-22 | 2018-10-22 | A kind of power battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208862079U (en) |
-
2018
- 2018-10-22 CN CN201821705636.6U patent/CN208862079U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204075493U (en) | A kind of supersonic welding header structure | |
| CN202004027U (en) | Solar battery module and welding tool for welding solder strip of module | |
| CN202094205U (en) | Connection mechanism for flexible packaging lithium ion battery lug and nickel strap | |
| CN208955084U (en) | A kind of power battery tab, busbar connector welding structure and power battery module | |
| CN203674299U (en) | Connection structure of laminated pole piece foils and tab of lithium battery | |
| CN102097511B (en) | Progressively welded packaging module | |
| CN203466249U (en) | Electrode plate structure and battery module | |
| CN204516831U (en) | A kind of lug | |
| CN202444029U (en) | Composite battery core and lithium ion battery | |
| CN208862079U (en) | A kind of power battery module | |
| CN206558524U (en) | A kind of integrated " L " the type busbar of solar cell module | |
| CN206084182U (en) | L type welding nickel piece | |
| CN209150212U (en) | Welding copper bus connection structure is bridged between a kind of power lithium-ion battery mould group | |
| CN205050910U (en) | Novel battery is shaping nickel strap for module | |
| CN204966578U (en) | Battery is inner electrode connection piece and battery module for module | |
| CN201084777Y (en) | A lithium battery pole piece structure | |
| CN206250266U (en) | A kind of lithium battery bus structures | |
| CN203398142U (en) | Micro-optically-focused photovoltaic solder strip | |
| CN207087100U (en) | The busbar welding support meanss of solar cell module | |
| CN203288678U (en) | Welding structure for core connecting sheet and anode lug | |
| CN202616336U (en) | Positive pole tab tape for lithium-ion battery | |
| CN205985164U (en) | Connection structure of power battery utmost point post and switching piece | |
| CN201112140Y (en) | Capacitor core group connect in series structure | |
| CN205194773U (en) | Small size lithium ion battery keysets structure | |
| CN205911352U (en) | Soft packet of power lithium ion battery module busbar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230426 Granted publication date: 20190514 |