CN206422136U - Battery bag - Google Patents
Battery bag Download PDFInfo
- Publication number
- CN206422136U CN206422136U CN201720043059.8U CN201720043059U CN206422136U CN 206422136 U CN206422136 U CN 206422136U CN 201720043059 U CN201720043059 U CN 201720043059U CN 206422136 U CN206422136 U CN 206422136U
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- CN
- China
- Prior art keywords
- extension
- connecting portion
- battery modules
- bent angle
- battery bag
- 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.)
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Classifications
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of battery bag, and it includes：At least two battery modules, are arranged side by side, and each battery modules have between the output pole of electric polarity conversely, two neighboring battery modules side by side and there is gap；Conducting connecting part, electrically connects two neighboring battery modules side by side, including：First connecting portion；First extension, bends downwards from first connecting portion between the gap of two neighboring battery modules side by side；Second connecting portion；Second extension, bends downwards from second connecting portion so that the inner surface of the second extension faces the outer surface adjacent with the gap of another battery modules；And bent angle connecting portion, the first extension and the second extension are connected.Conducting connecting part of the present utility model can adjust the relative vibration of relative position change or adaptation therebetween between two neighboring battery modules, the three-dimensional deformation produced can effectively be solved, reliability of electrical connection and work limitation are improved, manufacturing cost is low, takes up space small and is easily installed.
Description
Technical field
The utility model is related to power battery technology field, more particularly to a kind of battery bag.
Background technology
The conduction that battery modules are electrically connected in the casing of battery bag after assembly connection between generally existing battery modules is even
The problem of fitting has the reliability for pullling or being extruded and influence electrical connection and life-span, is mainly made by the factor of two aspects
Into：On the one hand the error and the error of battery modules assembling manufactured due to casing, the output pole of battery modules to be connected
Relative position and design load existence position deviation, cause the hole position of conducting connecting part and the output pole of actual two battery modules
Relative hole position deviate, conducting connecting part born after being fitted into by force larger tension and compression active force influence its electrical connection
Reliability and life-span；On the other hand the electricity in battery bag is assemblied in due to the effect of various road conditions and operating mode when vehicle is walked
The electrical connector between battery modules, shadow can be pullled or extruded to the relative vibration that pond module can be produced between relative vibration, battery modules
Ring it and be electrically connected reliability and life-span.
General at present to fawn on structure by using soft and solve the problem, the manufacturing process emphasis of soft bar will be permitted with ultrasonic bond
Multi-disc thin layer copper or aluminum metal hot pressing are merged, and manufacturing cost is high；When battery modules spacing is smaller, soft bar also pacify by inconvenience
Dress, efficiency of assembling is low；The insulation of soft bar outer cladding can only use heat-shrink tube technique, heat-shrink tube abrasion resistance properties are poor, insulation can
It is relatively low by property.
In addition, soft structure of fawning on generally only is solved by external force on this single direction of battery modules and column direction arranged side by side
The deformation pullled or produced when extruding, so that the three-dimensional deformation of generation can not be efficiently solved.
Utility model content
In view of the defect that prior art is present, the purpose of this utility model is to provide a kind of battery bag, it can be effectively
The reliability and work limitation of electrical connection between the three-dimensional deformation that solution is produced, the two neighboring battery modules of raising.
To achieve these goals, the utility model provides a kind of battery bag, and it includes：At least two battery modules,
Be arranged side by side, each battery modules have between the output pole of electric polarity conversely, two neighboring battery modules side by side exist between
Gap；Battery bag also includes：Conducting connecting part, electrically connects two neighboring battery modules side by side, including：First connecting portion, is electrically connected
Connect the output pole of a battery modules in two neighboring battery modules side by side；First extension, from first connecting portion to
Lower bending is between the gap of two neighboring battery modules side by side；Second connecting portion, electrically connects two neighboring battery side by side
The output pole of another battery modules in module；Second extension, bends downwards from second connecting portion so that the second extension
The inner surface in portion faces the outer surface adjacent with the gap of another battery modules, plane where the second extension
Normal direction intersects with the normal direction of plane where the first extension；And bent angle connecting portion, by the first extension and second
Extension is connected.
The beneficial effects of the utility model are as follows：
According in battery bag described in the utility model, when being defined as a left side with the direction of two neighboring battery modules side by side
Right direction, when the both direction vertical with direction side by side is respectively fore-and-aft direction and above-below direction, the first extension connects from first
Socket part is bent to form the corner vertically bent from left and right directions, and the second extension is bent to form in the past from second connecting portion
Rear is to the corner vertically bent, and bent angle connecting portion forms the corner bent in the lateral direction from fore-and-aft direction, this
Three corners are actually respectively formed on three different orthogonal faces of three dimensions, so that conducting connecting part
With Three Dimensions Structure, when between the reality between the output pole of two battery modules of the battery bag that conducting connecting part is connected
Away from inconsistent with design spacing, or when vehicle is walked between the adjacent battery modules side by side of battery bag during relative vibration,
The conducting connecting part of battery bag can adjust the battery of conducting connecting part connection by bent angle connecting portion with natural resiliency deformation
The change of the relative position of two battery modules of bag adapts to relative vibration between battery modules with natural resiliency deformation, and
Ensure that the internal stress level of conducting connecting part is relatively low by the relative position relation in the three dimensions in above three corner
Even completely eliminate, so as to efficiently solve the three-dimensional deformation of generation；In addition, this Three Dimensions Structure of conducting connecting part
Two battery modules can be limited in the relative movement of left and right directions, fore-and-aft direction or above-below direction big displacement to prevent from breaking
Conducting connecting part causes the electrical connection between two battery modules to fail, so that being electrically connected between improving two neighboring battery modules
The reliability connect and work limitation.
Brief description of the drawings
Fig. 1 is the stereogram of battery bag of the present utility model；
Fig. 2 is the stereogram of an embodiment of the conducting connecting part of Fig. 1 battery bag, wherein for the sake of clarity, first
The profile that the part of extension is blocked is shown in broken lines；
Fig. 3 is the stereogram of another embodiment of Fig. 2 conducting connecting part, wherein for the sake of clarity, the first extension
The profile that is blocked of part it is shown in broken lines；
Fig. 4 is the stereogram of the another embodiment of Fig. 2 conducting connecting part, wherein for the sake of clarity, the first extension
The profile that is blocked of part it is shown in broken lines；
Fig. 5 is the stereogram of the another embodiment of Fig. 2 conducting connecting part, wherein for the sake of clarity, the first extension
The profile that is blocked of part it is shown in broken lines.
Wherein, description of reference numerals is as follows：
The bent angle connecting portion of 1 battery modules 25
11 output pole the first through slots of C1
12 the second through slots of outer surface C2
The through slots of 2 conducting connecting part C3 the 3rd
21 first connecting portion G gaps
22 first extension D1 left and right directions
23 second connecting portion D2 fore-and-aft directions
24 second extension D3 above-below directions
Embodiment
Describe in detail with reference to the accompanying drawings according to battery bag of the present utility model.
Referring to figs. 1 to Fig. 5, battery bag of the present utility model includes：At least two battery modules 1, are arranged side by side, each battery
Module 1 has between the output pole 11 of electric polarity conversely, two neighboring battery modules 1 side by side and there is clearance G；Battery bag is also
Including：Conducting connecting part 2, electrically connects two neighboring battery modules 1 side by side.Conducting connecting part 2 includes：First connecting portion 21,
Electrically connect the output pole 11 of a battery modules 1 in two neighboring battery modules 1 side by side；First extension 22, from
One bending downwards of connecting portion 21 is between the clearance G of two neighboring battery modules 1 side by side；Second connecting portion 23, electrically connects phase
The output pole 11 of another battery modules 1 in adjacent two battery modules 1 side by side；Second extension 24, from the second connection
Portion 23 is bent downwards so that the inner surface of the second extension 24 faces the adjacent with the clearance G of another battery modules 1
Outer surface 12, the normal direction phase of the normal direction and the place plane of the first extension 22 of the place plane of the second extension 24
Hand over；Bent angle connecting portion 25, the first extension 22 and the second extension 24 are connected.
According in battery bag described in the utility model, by taking Fig. 1 as an example, when with two neighboring battery modules 1 side by side
Direction is defined as left and right directions D1, when the both direction vertical with direction side by side is respectively fore-and-aft direction D2 and above-below direction D3,
First extension 22 is bent to form from the left and right directions D1 corners that vertically D3 is bent, the second extension from first connecting portion 21
Portion 24 is bent to form from the fore-and-aft direction D2 corners that vertically D3 is bent from second connecting portion 23, and the shape of bent angle connecting portion 25
Into from the fore-and-aft direction D2 corners that D1 is bent in the lateral direction, these three corners are actually respectively formed at three of three dimensions
On different orthogonal faces, so that conducting connecting part 2 has Three Dimensions Structure, connected when conducting connecting part 2
Actual spacing and design inconsistent (such as battery modules 1 of spacing between the output pole 11 of two battery modules 1 of battery bag
The factor such as mismachining tolerance, the assembly error of battery modules 1, the lower box (not shown) foozle of battery bag) when, or work as
When vehicle is walked between the adjacent battery modules 1 side by side of battery bag during relative vibration, the conducting connecting part 2 of battery bag can lead to
Cross bent angle connecting portion 25 and adjusted with natural resiliency deformation the phase of two battery modules 1 of the battery bag of the connection of conducting connecting part 2
Change position or the relative vibration adapting to battery modules 1 with natural resiliency deformation, and pass through above three corner
Relative position relation in three dimensions and ensure that the internal stress level of conducting connecting part 2 is relatively low and even completely eliminate so that
The three-dimensional deformation of generation can be efficiently solved；In addition, this Three Dimensions Structure of conducting connecting part 2 can limit two batteries
Module 1 is conductively connected in the relative movement of left and right directions D1, fore-and-aft direction D2 or above-below direction D3 big displacements so as to prevent from breaking
Part 2 causes the electrical connection failure between two battery modules 1, so as to improve the electrical connection between two neighboring battery modules 1
Reliability and work limitation；In addition, the manufacturing cost of conducting connecting part 2 of battery bag of the present utility model is low, it is small to take up space
And be easily installed.
In battery bag of the present utility model, the output pole 11 of each polarity can be arranged in pairs, and single can also be set, led
The output pole for the two neighboring battery modules 1 that electrical connector 2 is connected can be that same electric polarity (realizing in parallel) can also be
Different electrodes (realize series connection).
Reference picture 2 to Fig. 5, the first extension 22 is provided with from first connecting portion 21 from the corner that first connecting portion 21 is bent
The first through slot C1 of extension is bent to the first extension 22.First through slot C1 can be for side by side it is a plurality of.
Similarly, reference picture 2 is to Fig. 5, and the second extension 24 is provided with from second from the corner that second connecting portion 23 is bent
Connecting portion 23 bends the second through slot C2 of extension to the second extension 24.Second through slot C2 can be for side by side it is a plurality of.
Similarly, reference picture 2 is to Fig. 5, and bent angle connecting portion 25 is provided with curved from the first extension 22 to the second extension 24
Roll over the 3rd through slot C3 of extension.3rd through slot C3 is a plurality of for side by side.Remark additionally herein, the first through slot
C1, the second through slot C2 and the 3rd through slot C3 article number are advisable with 2 or 3, unsuitable excessive, are excessively influenceed to prevent bar number
Corner that corner that first extension 22 is bent from first connecting portion 21, the second extension 24 are bent from second connecting portion 23 and curved
Overcurrent capability at the position of angle connecting portion 25 and make it that conducting connecting part 2 fuses, the first through slot C1, the second through slot C2 and
3rd through slot C3 setting can tackle the flexible demand under the material and thickness condition of different conducting connecting parts 2, the first insertion
It is curved from first connecting portion 21 that groove C1, the second through slot C2 and the 3rd through slot C3 setting can increase by the first extension 22 respectively
The flexibility at corner and the position of bent angle connecting portion 25 that the corner of folding, the second extension 24 are bent from second connecting portion 23 so that
Corner that corner that first extension 22 is bent from first connecting portion 21, the second extension 24 are bent from second connecting portion 23 and curved
Resilience at the position of angle connecting portion 25 is more preferable.
Bent angle connecting portion 25 connects the first extension 22 and the second extension 24 can many changes according to actual conditions.
As shown in Figures 2 and 3, in one embodiment, bent angle connecting portion 25 prolongs in the bottom of the first extension 22 and second
The bottom of extending portion 24 connects the first extension 22 and the second extension 24, and the first extension 22 and the second extension 24 are curved
The top of angle connecting portion 25 is spaced apart.
As shown in figure 4, in another embodiment, bent angle connecting portion 25 is in the bottom of the first extension 22 and the second extension
24 middle part connects the first extension 22 and the second extension 24, and the first extension 22 and the second extension 24 are connected in bent angle
The top in portion 25 is spaced apart, and the second extension 24 is stretched downwards in the lower section of bent angle connecting portion 25 compared to the first extension 22
Go out.
As shown in figure 5, in another embodiment, bent angle connecting portion 25 is in the bottom of the first extension 22 and the second extension
24 top connects the first extension 22 and the second extension 24, and the second extension 24 is in the lower section phase of bent angle connecting portion 25
More extended downwardly from than the first extension 22.
The first connecting portion 21 of the conducting connecting part 2 of battery bag of the present utility model, the first extension 22, bent angle connecting portion
25th, the second extension 24 and the integrated punching bending forming of second connecting portion 23, manufacturing cost are low.
The first connecting portion 21 of integrated punching bending forming, the first extension 22, bent angle connecting portion 25, the second extension 24
And second connecting portion 23 is coated with insulating barrier (not shown).Insulating barrier can be leaching modeling insulating barrier.I.e. integrated punching is bent into
The first connecting portion 21 of the conductive connecting piece 2 of type, the first extension 22, bent angle connecting portion 25, the second extension 24 and second
Connecting portion 23 can be used the overall outsourcing insulating layer coating of impregnation, leaching modeling insulating barrier than typically multilayered metal film it is hot-forming go out
Soft fawn on the pyrocondensation insulation tube insulating reliability used on structure and service life is higher.
In order to improve the flexibility of conductive connecting piece 2, bent angle connecting portion 25 can be by softening processing.
Claims (10)
1. a kind of battery bag, including：
At least two battery modules (1), are arranged side by side, and each battery modules (1) have the output pole (11) of electric polarity conversely, phase
There is gap (G) between adjacent two battery modules (1) side by side；
Characterized in that, battery bag also includes：
Conducting connecting part (2), electrically connects two neighboring battery modules (1) side by side, including：
First connecting portion (21), electrically connects the output stage of a battery modules (1) in two neighboring battery modules (1) side by side
Post (11)；
First extension (22), from first connecting portion (21) bending downwards in the gap of two neighboring battery modules (1) side by side
(G) between；
Second connecting portion (23), electrically connects the output of another battery modules (1) in two neighboring battery modules (1) side by side
Pole (11)；
Second extension (24), bends downwards from second connecting portion (23) so that the inner surface of the second extension (24) is in face of described
The normal of plane where the outer surface (12) adjacent with the gap (G) of another battery modules (1), the second extension (24)
Intersect with the normal direction of plane where the first extension (22) in direction；And
Bent angle connecting portion (25), the first extension (22) and the second extension (24) are connected.
2. battery bag according to claim 1, it is characterised in that
First extension (22) is provided with from first connecting portion (21) to the first extension from the corner that first connecting portion (21) is bent
The first through slot (C1) of portion (22) bending extension.
3. battery bag according to claim 1, it is characterised in that the second extension (24) is bent from second connecting portion (23)
Corner be provided with from second connecting portion (23) to the second extension (24) the second through slot (C2) of bending extension.
4. battery bag according to claim 1, it is characterised in that bent angle connecting portion (25) is provided with from the first extension
(22) the 3rd through slot (C3) of extension is bent to the second extension (24).
5. battery bag according to claim 1, it is characterised in that
Bent angle connecting portion (25) is in the bottom of the first extension (22) and the bottom of the second extension (24) by the first extension
(22) connected with the second extension (24), and the first extension (22) and the second extension (24) are in the upper of bent angle connecting portion (25)
Side is spaced apart.
6. battery bag according to claim 1, it is characterised in that bent angle connecting portion (25) is under the first extension (22)
Portion and the middle part of the second extension (24) connect the first extension (22) and the second extension (24), the first extension (22) and
Second extension (24) is spaced apart in the top of bent angle connecting portion (25), and the second extension (24) is in bent angle connecting portion (25)
Lower section is more extended downwardly from compared to the first extension (22).
7. battery bag according to claim 1, it is characterised in that bent angle connecting portion (25) is under the first extension (22)
Portion and the top of the second extension (24) connect the first extension (22) and the second extension (24), and the second extension (24)
More extended downwardly from compared to the first extension (22) in the lower section of bent angle connecting portion (25).
8. battery bag according to claim 1, it is characterised in that first connecting portion (21), the first extension (22), bent angle
Connecting portion (25), the second extension (24) and second connecting portion (23) integrated punching bending forming.
9. battery bag according to claim 1, it is characterised in that the first connecting portion (21) of integrated punching bending forming,
First extension (22), bent angle connecting portion (25), the second extension (24) and second connecting portion (23) are coated with insulating barrier.
10. battery bag according to claim 9, it is characterised in that insulating barrier be by soak it is moulding into insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720043059.8U CN206422136U (en) | 2017-01-13 | 2017-01-13 | Battery bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720043059.8U CN206422136U (en) | 2017-01-13 | 2017-01-13 | Battery bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206422136U true CN206422136U (en) | 2017-08-18 |
Family
ID=59571403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720043059.8U Active CN206422136U (en) | 2017-01-13 | 2017-01-13 | Battery bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206422136U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258179A (en) * | 2018-03-22 | 2018-07-06 | 华霆（合肥）动力技术有限公司 | battery pack and electric vehicle |
| FR3070794A1 (en) * | 2017-09-05 | 2019-03-08 | Psa Automobiles Sa | ENERGY STORAGE SYSTEM FOR A HYBRID VEHICLE HAVING HOLLOW CONNECTION BARS |
| CN110350137A (en) * | 2019-06-27 | 2019-10-18 | 恒大新能源科技集团有限公司 | A kind of battery modules deriving structure and preparation method thereof, battery modules and battery pack |
| EP3654408A1 (en) * | 2018-11-16 | 2020-05-20 | Contemporary Amperex Technology Co., Limited | Battery pack |
| JP2021512479A (en) * | 2018-01-30 | 2021-05-13 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ | Battery modules, battery packs containing battery modules, and how to use them |
| CN108258179B (en) * | 2018-03-22 | 2024-05-14 | 华霆（合肥）动力技术有限公司 | Battery pack and electric automobile |
-
2017
- 2017-01-13 CN CN201720043059.8U patent/CN206422136U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3070794A1 (en) * | 2017-09-05 | 2019-03-08 | Psa Automobiles Sa | ENERGY STORAGE SYSTEM FOR A HYBRID VEHICLE HAVING HOLLOW CONNECTION BARS |
| JP2021512479A (en) * | 2018-01-30 | 2021-05-13 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ | Battery modules, battery packs containing battery modules, and how to use them |
| JP7078753B2 (en) | 2018-01-30 | 2022-05-31 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Battery modules, battery packs containing battery modules, and their usage |
| CN108258179A (en) * | 2018-03-22 | 2018-07-06 | 华霆（合肥）动力技术有限公司 | battery pack and electric vehicle |
| CN108258179B (en) * | 2018-03-22 | 2024-05-14 | 华霆（合肥）动力技术有限公司 | Battery pack and electric automobile |
| EP3654408A1 (en) * | 2018-11-16 | 2020-05-20 | Contemporary Amperex Technology Co., Limited | Battery pack |
| US11527797B2 (en) | 2018-11-16 | 2022-12-13 | Contemporary Amperex Technology Co., Limited | Battery pack |
| CN110350137A (en) * | 2019-06-27 | 2019-10-18 | 恒大新能源科技集团有限公司 | A kind of battery modules deriving structure and preparation method thereof, battery modules and battery pack |
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