CN207097933U - A kind of no-welding battery pack - Google Patents
A kind of no-welding battery pack Download PDFInfo
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- CN207097933U CN207097933U CN201721089671.5U CN201721089671U CN207097933U CN 207097933 U CN207097933 U CN 207097933U CN 201721089671 U CN201721089671 U CN 201721089671U CN 207097933 U CN207097933 U CN 207097933U
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- Prior art keywords
- battery
- battery pack
- cylinder manifold
- bipolarity
- welding
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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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- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Cell art is the utility model is related to, particularly a kind of no-welding battery pack.The utility model discloses a kind of no-welding battery pack, including multiple battery modules, connection forms battery pack to multiple battery modules from beginning to end successively, bipolarity cylinder manifold is provided between adjacent battery modules, the both sides of the bipolarity cylinder manifold are respectively equipped with outwardly directed first and second elastic component, first and second elastic component is contacted and electrically connected with the electrode elastic of the battery of adjacent battery module respectively, and the series connection in battery module between the parallel connection of battery and battery module is realized by bipolarity cylinder manifold.The utility model avoids welding injury to caused by battery; it is the making that battery pack can be achieved only to need pure mechanical combination; it is simple for assembly process, easy to maintenance; easily realize scale and Automated assembly; battery pack anti-seismic performance is good; suitable for the application of all kinds of battery systems such as energy storage, electric vehicle, and it is advantageously implemented battery recycling and echelon utilization.
Description
Technical field
The utility model belongs to cell art, more particularly to a kind of no-welding battery pack.
Background technology
In the prior art, multiple battery combinations by multiple monomer cylindrical batteries in use, especially pass through connection in series-parallel group
When conjunction forms Large Copacity, high-voltage battery group, typically using welding connecting mode, including resistance welding, ultra-sonic welded, Laser Welding
Connect.But resistance welding has certain mechanical pressure due to that can produce localized hyperthermia, it is possible to battery can be caused to damage
Wound, and the reliability welded is also poor, and soldering reliability is at present also without the reliable method of inspection and means.Ultra-sonic welded
Higher and traditional welding manner, which is only suitable in the combination of battery two-dimensional directional, to be required to welding surface state with laser welding
Connection, three-dimensional combination connection it is more complicated, security is poor.Patent CN200810168497.2 method uses spring-piece type
Structure and battery holding clamp, although solving the three-dimensional connectivity problem of battery, and only positive pole is welded, negative pole not welded
Connect, reduce the damage to battery, but complex process, still suffer from welding.Not only production cost is high and right for various welding manners
The not aspect such as the after-sales service of battery pack, recycling, in the unloading process to battery pack, it is easy to cause battery to damage
Wound.
The content of the invention
The purpose of this utility model is to provide that a kind of battery pack assembly technology is simple, is assembled into solve the above problems
This is low, easy to maintenance, easily realizes the no-welding battery pack that the echelon of battery utilizes.
Therefore, the utility model discloses a kind of no-welding battery pack, including multiple battery modules, multiple battery modules according to
Secondary head and the tail connection composition battery pack, is provided with cylinder manifold between battery pack both ends and adjacent battery modules, adjacent battery modules it
Between cylinder manifold be bipolarity cylinder manifold, the both sides of the bipolarity cylinder manifold are respectively equipped with outwardly directed first and second bullet
Property part, first and second elastic component contacts and electrically connects with the electrode elastic of the battery of adjacent battery module respectively, leads to
Cross bipolarity cylinder manifold and realize series connection between the parallel connection of battery in battery module and battery module.
Further, the described first and/or second elastic component is shell fragment or spring.
Further, the described first and/or second elastic component is welded on bipolarity cylinder manifold or confluxed in bipolarity
Punch forming on plate.
Further, the side of the bipolarity cylinder manifold is extended with detection terminal or lead-out terminal.
Further, multiple battery modules and cylinder manifold are locked by bolt.
Further, the bipolarity cylinder manifold is provided with bolt mounting holes.
Further, the battery module includes multiple batteries, first support and second support, the first support and
The multiple battery settling holes for the two ends for corresponding to battery are respectively equipped with two supports, the two ends of multiple batteries are installed respectively
In the battery settling hole of the first support and second support.
Further, the first support and second support are provided with bolt mounting holes and locating dowel, correspondingly, bipolarity
Cylinder manifold is provided with positioning hole.
Further, the cylinder manifold at the battery pack both ends is bipolarity cylinder manifold, and the bipolarity cylinder manifold leads to respectively
The first or second elastic component is crossed to electrically connect with the electrode of the battery of the battery module at battery pack both ends.
Further, the both ends of the battery pack are respectively equipped with side plate, and the side plate is used to compress battery pack both ends
Bipolarity cylinder manifold, and play insulating effect.
Advantageous effects of the present utility model：
1. the connection in series-parallel combination of Small Cylindrical battery is realized, it is simple for assembly process, it is easy to connect；2. realize cylinder electricity
The welding combination connection in pond, connection is reliable, harmless to battery；3rd, the combination of the three-dimensional of cylindrical battery is realized；4、
Battery pack structure is firm, vibration proof；5th, battery pack is dismantled, is easy to maintenance, and the echelon for being advantageous to battery pack utilizes, to electricity after dismounting
Pond has no effect；6th, easy to assembly, technique is simple, and efficiency high, cost are low.
Brief description of the drawings
Fig. 1 is the assembling stereogram of the utility model specific embodiment；
Fig. 2 is the assembling stereogram at another visual angle of the utility model specific embodiment；
Fig. 3 is the structural representation of the first support of the utility model specific embodiment；
Fig. 4 is the structural representation at another visual angle of first support of the utility model specific embodiment；
Fig. 5 is the structural representation of the second support of the utility model specific embodiment；
Fig. 6 is the structural representation at another visual angle of second support of the utility model specific embodiment；
Fig. 7 is the structural representation of the bipolarity cylinder manifold of the utility model specific embodiment；
Fig. 8 is the enlarged drawing of the part A in Fig. 5.
Embodiment
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
As shown in figures 1-8, a kind of no-welding battery pack, including multiple battery modules, multiple battery modules connect from beginning to end successively
Connect composition battery pack, in this specific embodiment, multiple battery modules are locked by bolt 4, and fastness is good and convenient follow-up
Demolition and maintenance, it is preferred that the present embodiment is fixed using stay bolt through multiple battery modules, certainly, in other embodiments
In, multiple battery modules can also use other removablies such as buckle be fixed, and this is that those skilled in the art can be with
Realize, no longer describe in detail easily.
Be provided with cylinder manifold 2 between battery pack both ends and adjacent battery modules, in this specific embodiment, battery pack both ends with
And the cylinder manifold 2 between adjacent battery modules is bipolarity cylinder manifold, the both sides of the bipolarity cylinder manifold 2 be respectively equipped with to
The first elastic component 21 and the second elastic component 22 overhang, the elastic component 22 of the first elastic component 21 and second respectively with it is adjacent
The electrode elastic of the battery 13 of battery module is contacted and electrically connected, and electrical connectivity is good, and need not be welded, and avoids welding pair
Injury caused by battery 13, realized by bipolarity cylinder manifold 2 in battery module between the parallel connection of battery 13 and battery module
Series connection.
In this specific embodiment, bipolarity cylinder manifold 2 is by good conductivities such as copper material, steel and with the material of certain elasticity
Material is made.
In this specific embodiment, the elastic component 22 of the first elastic component 21 and second is shell fragment, certainly, in other embodiments
In, the first elastic component 21 and the second elastic component 22 can be spring, or the first elastic component 21 and the second elastic component 22 are respectively bullet
Piece and spring, or the first elastic component 21 and the second elastic component 22 are respectively spring and shell fragment.Certainly, in certain embodiments,
One elastic component 21 and the second elastic component 22 can also be other flexible structures, and this is that those skilled in the art can be easily
Realize, no longer describe in detail.
In this specific embodiment, the first elastic component 21 and the second elastic component 22 are the punch formings on bipolarity cylinder manifold 2.
Certainly, in other embodiments, the first elastic component 21 and/or the second elastic component 22 can also be welded on bipolarity cylinder manifold
2。
2 are provided with bolt mounting holes 23 on bipolarity cylinder manifold, for bolt 4 of stepping down.In this specific embodiment, bolt installation
The quantity in hole 23 is 4, the four corner positions distribution being square, certainly, in other embodiments, the quantity of bolt mounting holes 23
It can be selected according to being actually needed, this is that those skilled in the art can realize easily, is no longer described in detail.
In this specific embodiment, the side of the bipolarity cylinder manifold 2 is extended with detection terminal or lead-out terminal 24, is used for
The detection line of batteries in parallel connection 13 is installed, while can also be as the current output terminal mouth of final battery pack.
In this specific embodiment, the battery module includes multiple batteries 13, first support 11 and second support 12, battery
13 be cylindrical battery, and the multiple of the two ends that correspond to battery 13 are respectively equipped with the first support 11 and second support 12
Battery settling hole 111 and 121, the two ends of multiple batteries 13 are separately mounted to the electricity of the first support 11 and second support 12
Composition battery module is fixed in pond mounting hole 111 and 121.Battery settling hole 111 and 121 respectively with bipolarity cylinder manifold 2
The first elastic component 21 or the second elastic component 22 it is corresponding.
The first support 11 and second support 12 are provided with bolt mounting holes 112 and 122, to bolt 4 of stepping down.
In order to easy for assembly, the first support 11 and second support 12 back side relative with battery 13 are additionally provided with locating dowel
114 and 124, correspondingly, bipolarity cylinder manifold 2 is provided with positioning hole 25.Bipolarity cylinder manifold 2 is located in positioning by positioning hole 25
Positioned on post 114 or 124, it is ensured that the first elastic component 21 or the second elastic component 22 correctly electrically connect with battery.
In this specific embodiment, the side wall of first support 11 and second support 12 is additionally provided with detection terminal or lead-out terminal is consolidated
Hole 113 and 123 is determined, for being screwed detection terminal or lead-out terminal 24.
In this specific embodiment, the cylinder manifold 2 at the both ends of the battery pack equally uses bipolarity cylinder manifold, can avoid
The multi-size of cylinder manifold 2, production and management trouble, certainly, in other embodiments, the both ends of battery pack can also use now
Some cylinder manifolds electrically connect with the electrode of the battery 13 of the battery module at battery pack both ends.This is that those skilled in the art can be light
Easily realize, no longer describe in detail.
In this specific embodiment, the both ends of the battery pack are respectively equipped with side plate 3, and the side plate 3 is used to compress battery pack
The bipolarity cylinder manifold 2 at both ends, and play insulating effect.Side plate 3, which is adopted, to be made from an insulative material, and is correspondingly provided with bolt installation
Hole, for being fixed using bolt 4.
Packaging technology is：Multiple batteries 13 are arranged in first support 11, second support 12 are reassembled, by multiple batteries
13 fix, and form battery module；Bipolarity cylinder manifold 2 is installed, then another battery module is installed；Installation bipolarity is confluxed successively
Plate 2 and battery module；Until installing last battery module, finally respectively place a piece of bipolarity in two end module opposite sides and converge
Stream 2 and side plate 3, are fixed side plate 3, bipolarity cylinder manifold 2 and battery module with bolt 4, form battery pack.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (10)
1. a kind of no-welding battery pack, including multiple battery modules, connection from beginning to end forms battery pack, electricity to multiple battery modules successively
Cylinder manifold is provided between pond group both ends and adjacent battery modules, it is characterised in that：Cylinder manifold between adjacent battery modules is
Bipolarity cylinder manifold, the both sides of the bipolarity cylinder manifold are respectively equipped with outwardly directed first and second elastic component, and described
One and second elastic component contact and electrically connect with the electrode elastic of the battery of adjacent battery module respectively, confluxed by bipolarity
Plate realizes the series connection between the parallel connection of battery and battery module in battery module.
2. no-welding battery pack according to claim 1, it is characterised in that：Described first and/or second elastic component is bullet
Piece or spring.
3. no-welding battery pack according to claim 2, it is characterised in that：Described first and/or second elastic component welds
On bipolarity cylinder manifold or the punch forming on bipolarity cylinder manifold.
4. according to the no-welding battery pack described in claim 1 or 2 or 3, it is characterised in that：The side of the bipolarity cylinder manifold
It is extended with detection terminal or lead-out terminal.
5. according to the no-welding battery pack described in claim 1 or 2 or 3, it is characterised in that：Multiple battery modules and cylinder manifold lead to
Bolt is crossed to be locked.
6. no-welding battery pack according to claim 5, it is characterised in that：The bipolarity cylinder manifold is pacified provided with bolt
Fill hole.
7. no-welding battery pack according to claim 5, it is characterised in that：The battery module includes multiple batteries, the
One support and second support, the multiple electricity for the two ends for corresponding to battery are respectively equipped with the first support and second support
Pond mounting hole, the two ends of multiple batteries are separately mounted in the battery settling hole of the first support and second support.
8. no-welding battery pack according to claim 7, it is characterised in that：The first support and second support are provided with spiral shell
Bolt mounting hole and locating dowel, correspondingly, bipolarity cylinder manifold are provided with positioning hole.
9. no-welding battery pack according to claim 5, it is characterised in that：The cylinder manifold at the battery pack both ends is bipolar
Property cylinder manifold, the bipolarity cylinder manifold passes through the battery of the first or second elastic component and the battery module at battery pack both ends respectively
Electrode electrical connection.
10. no-welding battery pack according to claim 9, it is characterised in that：The both ends of the battery pack are respectively equipped with side
Plate, the side plate is used for the bipolarity cylinder manifold for compressing battery pack both ends, and plays insulating effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721089671.5U CN207097933U (en) | 2017-08-29 | 2017-08-29 | A kind of no-welding battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721089671.5U CN207097933U (en) | 2017-08-29 | 2017-08-29 | A kind of no-welding battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097933U true CN207097933U (en) | 2018-03-13 |
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ID=61540248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721089671.5U Active CN207097933U (en) | 2017-08-29 | 2017-08-29 | A kind of no-welding battery pack |
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| Country | Link |
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| CN (1) | CN207097933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115084786A (en) * | 2022-07-05 | 2022-09-20 | 江苏正力新能电池技术有限公司 | Battery pack |
-
2017
- 2017-08-29 CN CN201721089671.5U patent/CN207097933U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115084786A (en) * | 2022-07-05 | 2022-09-20 | 江苏正力新能电池技术有限公司 | Battery pack |
| CN115084786B (en) * | 2022-07-05 | 2024-06-18 | 江苏正力新能电池技术有限公司 | Battery pack |
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