CN207910008U - A kind of dismountable lithium battery module of series connection - Google Patents
A kind of dismountable lithium battery module of series connection Download PDFInfo
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- CN207910008U CN207910008U CN201820549465.6U CN201820549465U CN207910008U CN 207910008 U CN207910008 U CN 207910008U CN 201820549465 U CN201820549465 U CN 201820549465U CN 207910008 U CN207910008 U CN 207910008U
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- bar
- series connection
- bus
- parallel
- lithium battery
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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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Abstract
The utility model discloses a kind of dismountable lithium battery module of series connection, including series connection bus-bar and bus-bar in parallel, it is connected in parallel multiple lithium batteries by way of laser welding on the parallel connection bus-bar, forms module group；The module group is removably connected in series with by bus-bar of connecting；Easy maintenance and replacement solves and dismantles that difficult, maintenance process is complicated, wastes etc. drawbacks there are secondary damage, battery present in battery modules maintenance process, and the groove setting of junction, increases contact area, has ensured electric current percent of pass.
Description
Technical field
The utility model is related to technical field of lithium batteries, and in particular to a kind of dismountable lithium battery module of series connection.
Background technology
With the scarcity of the energy and the stringent control of whole society's environmental pollution, ev industry is a dark horse, and is made
For the power resources of electric vehicle, lithium battery plays a key effect in electric automobiles, and quality, repair, the cost of replacement are straight
Connecing influences the use cost of electric vehicle, and used at present is all lithium battery module, and multiple battery core connection in series-parallel is needed to be composed.
In the prior art, major battery module tandem plan is all made of laser and continuously welds.When a certain mould in battery modules
Block damages, and when needing replacing or repairing, laser solder joint needs to carry out destructive dismounting, and disassembly process is cumbersome.It repairs
It needs to carry out secondary welding later, polish before welding, there are secondary damage hidden danger in bruting process, and secondary weldering
Connecing operation cannot scene completion.If, just can only be together with the module and intact module damaged in module without dismounting
It is replaced, there are serious wasting phenomenons.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is that proposing a kind of dismountable lithium battery mould of series connection
Block, to solve the problem of to be not easy to repair battery altering at present, there are serious wastes.
To achieve the above object, technical solution used by the utility model is：
A kind of dismountable lithium battery module of series connection, including series connection bus-bar and bus-bar in parallel, the parallel connection bus-bar
On be connected in parallel multiple lithium batteries by way of laser welding, form module group；The module group is discharged by confluence of connecting
Row is removably connected in series with.
Above-mentioned technical proposal is sampled, keeps lithium battery module easy to disassemble and repairs, integral battery replacement is can avoid and causes wave
Take.
Further, the module group includes two bus-bars in parallel, the parallel connection bus-bar includes two parallel sides
The connecting plate of plate and connection both side plate, the positive pole ear and negative lug of laser welding lithium battery on both side plate.Bus-bar in parallel
Can batteries in parallel connection, and can connect with series connection bus-bar, being finally connected in series with basis is provided for lithium battery.
Further, the connecting plate double surface grooving, forms groove face I.As circuit connecting unit, increase contact area,
Electric current percent of pass is ensured.
Further, the series connection bus-bar includes the first linkage section, the second linkage section and third linkage section, described the
Two linkage section both ends are respectively perpendicular the one end for connecting first linkage section and the third linkage section, form U-shaped structure.It is convenient
The bus-bar in parallel of connection simultaneously two.
Further, the series connection bus-bar quadrangle is respectively provided with screw hole.For being connected in series with.
Further, it is described series connection bus-bar the first linkage section and third linkage section the same side slot, formed with
The matched groove face II of groove face I.As circuit connecting unit, increases contact area, ensured electric current percent of pass.
It is converged further, the connecting plate of the bus-bar in parallel of two of the module group is located at two series connection disposed in parallel
Between stream row, and the groove face II of the series connection bus-bar is a pair of two-by-two, is contacted respectively to slot with the groove face I slots of the module group,
Constitute series unit.
Further, being connected in series with by screw between the series unit.
The beneficial effects of the utility model include but not limited to：
Compared with the existing technology, the dismountable lithium battery module of a kind of series connection of the utility model, easy maintenance and replacement,
It solves and dismantles that difficult, maintenance process is complicated, wastes etc. disadvantages there are secondary damage, battery present in battery modules maintenance process
End.And the groove setting of junction, increase contact area, ensures electric current percent of pass.
Description of the drawings
Fig. 1 is the structural schematic diagram according to the series connection bus-bar of the utility model one embodiment；
Fig. 2 is the structural schematic diagram according to the bus-bar in parallel of the utility model one embodiment；
Fig. 3 is the schematic diagram according to the concatenated lithium battery module of the utility model one embodiment.
In figure：1, series connection bus-bar；11, the first linkage section；12, the second linkage section；13, third linkage section；2, in parallel to converge
Stream row；21, side plate；22, connecting plate；3, positive pole ear；4, negative lug.
Specific implementation mode
In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to embodiment to this practicality
It is novel to be further elaborated, but be not the limitation to scope of protection of the utility model.
In the present embodiment, as shown in Figures 1 to 3, a kind of dismountable lithium battery module of series connection, including series connection bus-bar 1
With bus-bar 2 in parallel, it is connected in parallel multiple lithium batteries by way of laser welding on the parallel connection bus-bar 2, forms module
Group；The module group is removably connected in series with by bus-bar 1 of connecting.
Above-mentioned technical proposal is sampled, keeps lithium battery module easy to disassemble and repairs, integral battery replacement is can avoid and causes wave
Take.
Preferably, the module group includes two bus-bars 2 in parallel, and the parallel connection bus-bar 2 includes two parallel side plates
21 and connection both side plate 21 connecting plate 22, the positive pole ear 3 and negative lug 4 of laser welding lithium battery on both side plate 21.And
Join bus-bar 2 can batteries in parallel connection, and can connect with series connection bus-bar 1, being finally connected in series with basis is provided for lithium battery.
Preferably, 22 double surface grooving of the connecting plate forms groove face I.As circuit connecting unit, increase contact area, protects
Electric current percent of pass is hindered.
Preferably, the series connection bus-bar 1 includes the first linkage section 11, the second linkage section 12 and third linkage section 13, institute
It states 12 both ends of the second linkage section and is respectively perpendicular the one end for connecting first linkage section 11 and the third linkage section 13, form U
Type structure.The convenient while bus-bar 13 in parallel of connection two.
Preferably, 1 four jiaos of the series connection bus-bar is respectively provided with screw hole.For being connected in series with.
Preferably, it is described series connection bus-bar 1 the first linkage section 11 and third linkage section 13 the same side slot, formed with
The matched groove face II of groove face I.As circuit connecting unit, increases contact area, ensured electric current percent of pass.
Preferably, the connecting plate 22 of two of module group bus-bars 2 in parallel is located at two series connection disposed in parallel and converges
Between stream row 1, and the groove face II of the series connection bus-bar 1 is a pair of two-by-two, is connect respectively to slot with the groove face I slots of the module group
It touches, constitutes series unit.
Preferably, it is connected in series with by screw between the series unit.
The principles of the present invention are described as follows：
It first uses bus-bar 2 in parallel by laser welding the positive pole ear 3 of N number of lithium battery, is together in parallel.Then by lithium
The negative lug 4 of battery, by laser welding, is together in parallel using bus-bar 2 in parallel.Thus constitute N number of batteries in parallel connection mould
Block.
Again by the good battery module of this N number of parallel connection, kept left with the first module anode cathode of keeping right, second module anode
The cathode that keeps left is kept right, and so on mode place.After the completion of placement, to connect on bus-bar 1, in bus-bar 2 in parallel, series connection
Sequence installation under bus-bar 1.Tandem working is completed by four screw hole positions of bus-bar 1 of connecting.
In the non-laser welding portion of bus-bar 2 in parallel, double surface grooving processing has been carried out.In the single side of series connection bus-bar 1
Slot treatment is carried out.In link process, slot contacts slot between two bus-bars 2 in parallel and series connection bus-bar 1, compares plane
Contact, increases contact area, has ensured electric current percent of pass.
The utility model is using laser welding in parallel, screw connection of connecting.It only need to be by bus-bar 1 of connecting in module damage
It removes, battery modules can be resolved into little module one by one, easy maintenance and replacement.It solves in battery modules maintenance process
Existing dismounting is difficult, maintenance process is complicated, there are the drawbacks such as secondary damage, battery waste.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of dismountable lithium battery module of series connection, it is characterised in that：Including series connection bus-bar (1) and parallel connection bus-bar (2),
It is connected in parallel multiple lithium batteries by way of laser welding on the parallel connection bus-bar (2), forms module group；The module group
By connecting, bus-bar (1) is removably connected in series with.
2. a kind of dismountable lithium battery module of series connection according to claim 1, it is characterised in that：The module group includes
Two bus-bars (2) in parallel, the parallel connection bus-bar (2) include the connection of two parallel side plates (21) and connection both side plate (21)
Plate (22), the positive pole ear (3) and negative lug (4) of laser welding lithium battery on both side plate (21).
3. a kind of dismountable lithium battery module of series connection according to claim 2, it is characterised in that：The connecting plate (22)
Double surface grooving forms groove face I.
4. a kind of dismountable lithium battery module of series connection according to claim 3, it is characterised in that：The series connection bus-bar
(1) include the first linkage section (11), the second linkage section (12) and third linkage section (13), the second linkage section (12) both ends point
One end of first linkage section (11) and the third linkage section (13) described in other vertical connection forms U-shaped structure.
5. a kind of dismountable lithium battery module of series connection according to claim 4, it is characterised in that：The series connection bus-bar
(1) quadrangle is respectively provided with screw hole.
6. a kind of dismountable lithium battery module of series connection according to claim 5, it is characterised in that：The series connection bus-bar
(1) the first linkage section (11) and third linkage section (13) is slotted in the same side, is formed and the matched groove face II of the groove face I.
7. a kind of dismountable lithium battery module of series connection according to claim 6, it is characterised in that：The two of the module group
The connecting plate (22) of a parallel connection bus-bar (2) is located between two series connection bus-bars (1) disposed in parallel, and the series connection is converged
The groove face II for arranging (1) is a pair of two-by-two, is contacted respectively to slot with the groove face I slots of the module group, constitutes series unit.
8. a kind of dismountable lithium battery module of series connection according to claim 7, it is characterised in that：The series unit it
Between be connected in series with by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820549465.6U CN207910008U (en) | 2018-04-18 | 2018-04-18 | A kind of dismountable lithium battery module of series connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820549465.6U CN207910008U (en) | 2018-04-18 | 2018-04-18 | A kind of dismountable lithium battery module of series connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910008U true CN207910008U (en) | 2018-09-25 |
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ID=63559537
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820549465.6U Active CN207910008U (en) | 2018-04-18 | 2018-04-18 | A kind of dismountable lithium battery module of series connection |
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| Country | Link |
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| CN (1) | CN207910008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970593A (en) * | 2018-09-30 | 2020-04-07 | 郑州深澜动力科技有限公司 | Battery module and electric connection sheet thereof |
-
2018
- 2018-04-18 CN CN201820549465.6U patent/CN207910008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970593A (en) * | 2018-09-30 | 2020-04-07 | 郑州深澜动力科技有限公司 | Battery module and electric connection sheet thereof |
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