CN110061177A - Battery modules connection system - Google Patents
Battery modules connection system Download PDFInfo
- Publication number
- CN110061177A CN110061177A CN201910368692.8A CN201910368692A CN110061177A CN 110061177 A CN110061177 A CN 110061177A CN 201910368692 A CN201910368692 A CN 201910368692A CN 110061177 A CN110061177 A CN 110061177A
- Authority
- CN
- China
- Prior art keywords
- tab
- battery modules
- busbar connector
- connection system
- weld part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims abstract description 11
- 230000004308 accommodation Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 230000018984 mastication Effects 0.000 description 3
- 238000010077 mastication Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- 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
Abstract
A kind of battery modules connection system, including insulating base, several tabs being fixed on the insulating base and the busbar connector being electrically connected with the tab, the busbar connector is electrically connected by a flexible connection piece and the tab, the flexible connection piece includes elastic portion and each extends over out from the elastic portion both ends and the first, second weld part with the busbar connector and tab welding respectively, the elastic portion support first weld part to weld first weld part vacantly with the busbar connector；The application battery modules connection system not easy damaged busbar connector.
Description
Technical field
This application involves electrical connection field, espespecially a kind of battery modules connection systems.
Background technique
People's Republic of China's 201810234807.X patent application discloses a kind of battery battery core, because automobile is electric
The phenomenon that core has bulging in charge and discharge, to pull solder joint when avoiding battery core bulging strongly, the prior art can be in busbar connector
(FPC) bending structure is done on as buffering, and busbar connector internal cable road, bending may cause internal wiring fracture, give product
Very big hidden danger is brought, especially shock range is larger while the car is driving, it is easier to be broken busbar connector and cause safety
Hidden danger.And busbar connector is expensive.
Summary of the invention
In consideration of it, it is necessary to provide one kind not to be influenced by battery core bulging, and the non-damageable battery modules of busbar connector connect
Welding system.
In order to solve the above technical problems, this application provides a kind of battery modules connection system, including it is insulating base, solid
Due to several tabs on the insulating base and the busbar connector being electrically connected with the tab, the busbar connector passes through an elasticity
Connection sheet and the tab are electrically connected, and the flexible connection piece includes elastic portion and each extends over out from the elastic portion both ends
And the first, second weld part with the busbar connector and tab welding, the elastic portion support first weld part to make respectively
First weld part is vacantly welded with the busbar connector.
Preferably, insulating base includes that body part, several tab mounting grooves on the body part and busbar connector hold
Set slot.
Preferably, laterally two outsides, the busbar connector accommodation groove that the tab mounting groove is located at the body part are located at
Between the tab mounting groove.
Preferably, the tab mounting groove includes several perforative pore structures up and down so that the tab connects with battery core downwards
It connects.
Preferably, the busbar connector accommodation groove include upper surface, the formation that is recessed downwards from the upper surface recessed portion and
Be recessed downwards the slot structure of formation again from the recessed portion, and the slot structure is connected to the tab mounting groove.
Preferably, the surface of the recessed portion is lower than the upper surface, and the surface of the slot structure is lower than the recessed portion
Surface.
Preferably, the elastic portion include U-shaped elastomeric base and from open end on the upside of the U-shaped elastomeric base respectively inwards
Bending forms horizontal part, what first, second weld part was extended to form from the horizontal part along its length respectively.
Preferably, the width of first, second weld part is not more than the diameter of the U elastomeric base.
Preferably, the U-shaped elastomeric base of the flexible connection piece is placed in the slot structure, the first weld part overlap joint
In the tab upper surface and with the tab welding；Second welding position above the recessed portion with the busbar connector
Welding.
Preferably, there are gaps between the upper surface of the recessed portion and the lower surface of second weld part.
The application battery modules connection system use flexible connection piece between the tab and the busbar connector with
Alleviate mastication forces caused by the battery core bulging, avoids the prior art and need to carry out busbar connector bending to fight battery core bulging
The problem of being easy to appear busbar connector internal break.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the three-dimensional combination figure of the application battery modules connection system；
Fig. 2 is the stereogram exploded view of the application battery modules connection system；
Fig. 3 is the perspective view and its partial enlarged view of the insulating base of the application battery modules connection system；
Fig. 4 is the perspective view of the flexible connection piece of the application battery modules connection system；
Fig. 5 is the cooperation figure of the insulating base of the application battery modules connection system, tab and flexible connection piece.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.
Please refer to shown in Fig. 1, Fig. 2, the application battery modules connection system include insulating base 10, be fixed on it is described absolutely
The flexible connection piece 40 of several tabs 20, busbar connector 30 and the connection tab 20 and busbar connector 30 on edge pedestal 10.
Please continue to refer to shown in Fig. 3, if the insulating base 10 includes body part 11, set on 11 outside of body part
Dry tab mounting groove 12 and the busbar connector accommodation groove 13 among the body part 11.The busbar connector accommodation groove 13 with it is described
Tab mounting groove 12 is not overlapped.Each tab mounting groove 12 includes several perforative pore structures up and down so that the tab 20 is downward
It is connect with battery core.The busbar connector accommodation groove 13 includes upper surface 133, be recessed downwards the recess formed from the upper surface 133
The slot structure 132 of portion 131 and the formation that is recessed downwards again from the recessed portion 131.The width of the slot structure 132 is less than described
The width of recessed portion 131, the slot structure 132 are connected to the tab mounting groove 12.The surface of the recessed portion 131 is lower than institute
Upper surface 133 is stated, the surface of the slot structure 132 is lower than the surface of the recessed portion 131.
Please continue to refer to shown in Fig. 4, the flexible connection piece 40 includes elastic portion 41 and divides from 41 both ends of elastic portion
The first, second weld part 42,43 not extended to form.The elastic portion 41 includes U-shaped elastomeric base 411 and from the U-shaped bullet
Property 411 upside open end of base portion respectively inwards bending formed horizontal part 412,413, first, second weld part 42,43 difference
It is extended to form along its length from the horizontal part 413,412.The width of first, second weld part 42,43 is not more than
The diameter of the U-shaped elastomeric base 411, between diameter, that is, U-shaped structure two-arm of U-shaped elastomeric base 411 at most width position
Size.
Please continue to refer to shown in Fig. 1 to Fig. 5, emphasis refering to fig. 1, shown in Fig. 5, the tab 20 is fixed on the insulation base
In the tab mounting groove 12 of seat 10；The U-shaped elastomeric base 411 of the flexible connection piece 40 is placed in the slot structure 132, this
The first weld part of Shi Suoshu 42 is overlapped in the tab upper surface and welds with the tab 20；And described second weld part 43
Above the recessed portion 131, at this point, between the upper surface of the recessed portion 131 and the lower surface of second weld part 43
There are gaps；The busbar connector 30 is placed in the busbar connector accommodation groove 13 to weld with second weld part 43 again, from
And realize the electric connection of the busbar connector 30 and the tab 20.
When bulging occur in battery core charge and discharge, the U-shaped elastic portion 411 of the flexible connection piece 40 supports second welding
Portion 43 alleviates bulging and causes mastication forces, and then protects the solder joint of the busbar connector 30 and busbar connector 30 and second weld part 43
It is not in fracture.
The application battery modules are with connection system using flexible connection piece 40 between the tab 20 and the busbar connector 30
Between to alleviate mastication forces caused by the battery core bulging, avoid the prior art need to busbar connector carry out bending to fight electricity
Core bulging is easy to appear the problem of busbar connector internal break.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of battery modules connection system, including insulating base, several tabs being fixed on the insulating base and with
The busbar connector that the tab is electrically connected, which is characterized in that the busbar connector is electrical by a flexible connection piece and the tab
Connection, the flexible connection piece include elastic portion and each extended over out from the elastic portion both ends and respectively with the busbar connector and
First, second weld part of tab welding, the elastic portion support first weld part make first weld part vacantly with
The busbar connector welding.
2. battery modules as described in claim 1 connection system, which is characterized in that insulating base includes body part, is set to
Several tab mounting grooves and busbar connector accommodation groove on the body part.
3. battery modules as claimed in claim 2 connection system, which is characterized in that the tab mounting groove is located at described
Laterally two outside in body portion, the busbar connector accommodation groove is between the tab mounting groove.
4. battery modules as claimed in claim 3 connection system, which is characterized in that the tab mounting groove includes on several
Under perforative pore structure so that the tab is connect with battery core downwards.
5. battery modules as claimed in claim 2 connection system, which is characterized in that the busbar connector accommodation groove includes upper table
The slot structure in face, the recessed portion for the formation that is recessed downwards from the upper surface and the formation that is recessed downwards again from the recessed portion, institute
Slot structure is stated to be connected to the tab mounting groove.
6. battery modules as claimed in claim 5 connection system, which is characterized in that the surface of the recessed portion is lower than described
Upper surface, the surface of the slot structure are lower than the surface of the recessed portion.
7. battery modules as claimed in claim 5 connection system, which is characterized in that the elastic portion includes U-shaped elastic base
Portion and bending forms horizontal part, the first, second weld part difference respectively inwards from open end on the upside of the U-shaped elastomeric base
It is extended to form along its length from the horizontal part.
8. battery modules as claimed in claim 7 connection system, which is characterized in that the width of first, second weld part
Degree is not more than the diameter of the U elastomeric base.
9. battery modules as claimed in claim 7 connection system, which is characterized in that the U-shaped elasticity of the flexible connection piece
Base portion is placed in the slot structure, first weld part be overlapped in the tab upper surface and with the tab welding；It is described
It is welded above the recessed portion with the busbar connector the second welding position.
10. battery modules as claimed in claim 9 connection system, which is characterized in that the upper surface of the recessed portion and institute
State between the lower surface of the second weld part that there are gaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910368692.8A CN110061177A (en) | 2019-05-05 | 2019-05-05 | Battery modules connection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910368692.8A CN110061177A (en) | 2019-05-05 | 2019-05-05 | Battery modules connection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110061177A true CN110061177A (en) | 2019-07-26 |
Family
ID=67322133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910368692.8A Pending CN110061177A (en) | 2019-05-05 | 2019-05-05 | Battery modules connection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110061177A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391515A (en) * | 2019-08-20 | 2019-10-29 | 安捷利（番禺）电子实业有限公司 | A kind of composite bus-bar wire with function of seismic resistance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261726A (en) * | 2015-10-13 | 2016-01-20 | 浙江超威创元实业有限公司 | Positive tab connection structure of battery and welding method |
| CN105810873A (en) * | 2016-05-31 | 2016-07-27 | 华霆（合肥）动力技术有限公司 | Flexibly packaged battery module with separable combined current collector plates |
| CN209675385U (en) * | 2019-05-05 | 2019-11-22 | 昆山长盈精密技术有限公司 | Battery modules connection system |
-
2019
- 2019-05-05 CN CN201910368692.8A patent/CN110061177A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261726A (en) * | 2015-10-13 | 2016-01-20 | 浙江超威创元实业有限公司 | Positive tab connection structure of battery and welding method |
| CN105810873A (en) * | 2016-05-31 | 2016-07-27 | 华霆（合肥）动力技术有限公司 | Flexibly packaged battery module with separable combined current collector plates |
| CN209675385U (en) * | 2019-05-05 | 2019-11-22 | 昆山长盈精密技术有限公司 | Battery modules connection system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391515A (en) * | 2019-08-20 | 2019-10-29 | 安捷利（番禺）电子实业有限公司 | A kind of composite bus-bar wire with function of seismic resistance |
| CN110391515B (en) * | 2019-08-20 | 2024-03-05 | 广州安博新能源科技有限公司 | Composite busbar with anti-seismic function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |