CN209447881U - A kind of battery modules - Google Patents
A kind of battery modules Download PDFInfo
- Publication number
- CN209447881U CN209447881U CN201920082242.8U CN201920082242U CN209447881U CN 209447881 U CN209447881 U CN 209447881U CN 201920082242 U CN201920082242 U CN 201920082242U CN 209447881 U CN209447881 U CN 209447881U
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- CN
- China
- Prior art keywords
- battery cell
- side plate
- glue
- insulating layer
- battery modules
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- 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
-
- 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
Abstract
The utility model relates to a kind of battery modules, it include: more than two battery cells, mould group peripheral frame, for fixing the battery cell, the mould group peripheral frame includes two end plates and two side plates, and two end plates are fixedly connected by welding respectively with two side plates；And the insulating layer on the side plate is set, it is provided with glue groove on the insulating layer, the glue groove corresponds to the side setting of the battery cell, forms capacity chamber between the side of the glue groove and the battery cell, the side plate.It is different from the prior art, uniform gluing may be implemented by the glue groove on insulating layer in the utility model, guarantees the bond area between battery cell and side plate, so that it is guaranteed that adhesive strength.
Description
Technical field
The utility model relates to energy storage device technical field, in particular to a kind of battery modules.
Background technique
In the prior art, battery modules include that more than two battery cells and the mould group for fixing battery cell are enclosed
Frame, mould group peripheral frame include two end plates and two side plates.The production stage of battery modules is as follows: more than two battery cells
It is stacked with arrangement, two end plates pass through the both ends that structure glue is pasted onto battery cell stacking direction respectively, and two side plates pass through
Structure offset plate passes through the two sides that structure glue is pasted onto battery cell stacking direction respectively, passes through between two end plates and two side plates
Laser welding is fixed.
But in process of production due to battery cell, the tolerance values that not can avoid battery cell width direction are different,
Therefore, the structure glue uniformity between more than two battery cells and side plate is difficult to ensure, is existed in this way, will lead to battery modules
Using or transport in during, risk that battery cell is fallen off.
Utility model content
For this reason, it may be necessary to a kind of battery modules be provided, for solving the deficiencies in the prior art.
To achieve the above object, a kind of battery modules are inventor provided, comprising:
Battery cell,
Mould group peripheral frame, for placing the battery cell, the mould group peripheral frame includes two end plates and two side plates, and two
A end plate and two side plates distinguish fixation from beginning to end；And
Insulating layer, the insulating layer are arranged between the battery cell and the side plate, are provided on the insulating layer
The side of glue groove, the glue groove and the battery cell is oppositely arranged, the side of the glue groove and the battery cell,
Capacity chamber is formed between the side plate, is provided with structure glue in the capacity chamber, and the structure glue is by the side of the battery cell
Face is Nian Jie with the side plate.
As a kind of preferred structure of the utility model, the glue groove includes injecting glue notch, diversion division and cavity, institute
Injecting glue notch is stated to be connected by the diversion division with the cavity.
As a kind of preferred structure of the utility model, the width of the injecting glue notch is less than the width of the cavity.
As a kind of preferred structure of the utility model, the cross sectional shape of the diversion division be it is up-small and down-big tubaeform,
The width on the diversion division top is equal to the width of the injecting glue notch, and the width of the diversion division bottom end is equal to the cavity
Width.
As a kind of preferred structure of the utility model, the bottom of the side plate is provided with towards the curved of the battery cell
Folding part.
As a kind of preferred structure of the utility model, the bottom of the insulating layer is provided with towards the battery cell
Flanging, the flanging are arranged on the bending part.
As a kind of preferred structure of the utility model, the width of the glue groove battery modules short transverse by up to
Under be gradually increased.
As a kind of preferred structure of the utility model, the cross sectional shape of the glue groove is up-small and down-big trapezoidal.
As a kind of preferred structure of the utility model, the thickness of the insulating layer is greater than 0.7mm, and has elasticity.
As a kind of preferred structure of the utility model, the mould group peripheral frame further includes intermediate side plate, the intermediate side plate
There is insulating layer on two sides, and the intermediate side plate is connected with two end plates.
It is different from the prior art, above-mentioned technical proposal passes through the insulating layer that is arranged on the side plate, on the insulating layer
It is provided with glue groove, the side of the glue groove and the battery cell is oppositely arranged, and the maximum width of the glue groove is small
Width in the side of the battery cell.Effective gluing may be implemented by the glue groove on insulating layer, guarantee battery cell
Bond area between side plate, so that it is guaranteed that adhesive strength.In addition, insulating layer can effectively eliminate rubberization thickness, to save
Space is improved can force density.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the battery modules of the multiple rows of battery cell of the first embodiment；
Fig. 2 is the structural schematic diagram of the mould group peripheral frame of the multiple rows of battery cell of the first embodiment；
Fig. 3 is the top view of the battery modules of the multiple rows of battery cell of the first embodiment；
Fig. 4 is the enlarged drawing in Fig. 3 at A；
Fig. 5 is the enlarged drawing in Fig. 3 at B；
Fig. 6 is the explosive view of the battery modules of the single battery cell of second of embodiment；
Fig. 7 is the structural schematic diagram of the mould group peripheral frame of the single battery cell of second of embodiment；
Fig. 8 is the structural schematic diagram of the side plate of the single battery cell of second of embodiment；
Fig. 9 is the explosive view of the side plate of the single battery cell of second of embodiment；
Figure 10 is the structural schematic diagram of the mould group peripheral frame of the single battery cell of the third embodiment；
Figure 11 is the structural schematic diagram of the side plate of the single battery cell of the third embodiment；
Figure 12 is the explosive view of the side plate of the single battery cell of the third embodiment.
Description of symbols:
1, side plate,
11, bending part,
2, battery cell,
21, side,
3, end plate,
31, fixation hole,
4, intermediate side plate,
5, insulating layer,
50, capacity chamber,
51, glue groove,
511, injecting glue notch,
512, diversion division,
513, cavity,
52, flanging.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
In the description of the present application unless specifically defined or limited otherwise, term " first ", is only used for retouching " second "
The purpose stated, is not understood to indicate or imply relative importance；Unless otherwise prescribed or explanation, term " multiple " refer to two
It is a or more than two；Term " connection ", " fixation " etc. shall be understood in a broad sense, for example, " connection " may be a fixed connection, it can also
To be to be detachably connected, or be integrally connected, or be electrically connected；It can be directly connected, the indirect phase of intermediary can also be passed through
Even.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Meaning.
In the description of this specification, it is to be understood that "upper", "lower" described in the embodiment of the present application, "left", "right"
The equal nouns of locality are described with angle shown in the drawings, should not be construed as the restriction to the embodiment of the present application.In addition,
In context, it is also necessary to which understanding can not only when mentioning an element and being connected to another element "upper" or "lower"
It is enough connected directly between another element "upper" or "lower", another element "upper" can also be indirectly coupled to by intermediary element
Or "lower".
Fig. 1 to Fig. 5 is please referred to, the first embodiment is related to a kind of battery modules of multiple rows of battery cell, specifically, the electricity
Chi Mo group includes two rows of battery cells 2；Intermediate side plate 4, the both ends of two rows of battery cells 2 are provided between two rows of battery cells 2
It is provided with end plate 3, the two sides of two rows of battery cells 2 are provided with side plate 1, end plate 3 and the successively fixation from beginning to end of side plate 1.It is intermediate
The both ends of side plate 4 link together with the end plate 3 at both ends respectively.Fixation hole 31, the both ends of intermediate side plate 4 are provided on end plate 3
It is welded on the end plate 3 at both ends by fixation hole 31.Two side plates 1 and two end plates 3 are connected by techniques such as laser welding, rivetings
It connects together, integral type mould group peripheral frame is formed, to improve integral rigidity.
It should be noted that the present embodiment is not limited to the embodiment of two rows of battery cells 2, can also use two with
On intermediate side plate 4 and battery cells 2 more than three rows embodiment.
Two side plates 1 in the first embodiment, 4, two end plates 3 of intermediate side plate inside be provided with insulating layer 5, be used for
Increase the insulating properties between mould group peripheral frame and battery cell 2, improves security performance.Insulating layer 5 can for insulating film, insulating trip,
Insulation board etc..Multiple glue grooves 51 are equidistantly disposed on insulating layer 5, glue groove 51 is opposite with the side 21 of battery cell 2
Setting, the maximum width of glue groove 51 are less than the width of the side 21 of battery cell 2, and excessive glue, glue amount are insufficient when preventing injecting glue
Situation.It is formed between all side plates 1 and battery cell 2, between two end plates 3 and battery cell 2 by glue groove 51 and holds glue
Chamber 50.
In other embodiments, the inside of two end plates 3 can be not provided with insulating layer 5, it is preferred that two end plates 3
Inside is provided with insulating layer 5, for improving the insulating properties between end plate 3 and battery cell 2.
Two side plates 1, intermediate 4, two end plates 3 of side plate form mould group peripheral frame in the first embodiment, assemble battery cell 2
Afterwards, the side 21 of battery cell 2 is close to insulating layer 5, this moment, the side of the glue groove 51 and side plate 1, battery cell 2 of insulating layer 5
21 three of face forms capacity chamber 50, by injecting structure glue so that side plate 1 carried out with the side 21 of battery cell 2 it is be bonded.
When assembly, all battery cells 2 are put into integral type mould group peripheral frame, then inject a certain amount of knot to capacity chamber 50
Structure glue, at this point, two sides side plate 1 is bonded together with 2 side 21 of battery cell by structure glue, both ends end plate 3 and battery cell 2
End face bonded together by structure glue, intermediate side plate 4 and the side 21 of two rows of battery cells 2 are bonded in one by structure glue
It rises, all battery cells 2 and integral type mould group peripheral frame is fixed as one, improve bonding strength, integrally resisted with improving battery pack
Vibratory impulse ability.In this way, by being provided with glue groove 51 on insulating layer 5, the thickness of control structure glue reduces glue-spread, mentions
High-energy density.
As shown in Figures 6 to 9, second of embodiment is related to the battery modules of single battery cell 2, which includes
More than two battery cells 2, mould group peripheral frame and insulating layer 5 for placing battery monomer 2, the mould group peripheral frame include two
End plate 3 and two side plates 1, end plate 3 are successively from beginning to end with side plate 1 and by being welded and fixed；Insulating layer 5 is arranged two sides
On plate 1, glue groove 51 is provided on insulating layer 5.The width of 51 maximum position of glue groove is less than the width of battery cell 2, to prevent
Only when injecting glue, excessive glue phenomenon occurs, causes the glue amount acted in glue groove 51 insufficient.
At this point, glue groove 51 includes injecting glue notch 511, diversion division 512 and cavity 513, the width of injecting glue notch 511 is small
In the width of cavity 513.Injecting glue notch 511 can be used for injecting matched structure glue, injecting glue notch 511 by glue injecting head with positive pressure
Diversion division 512 is provided between cavity 513, the width of diversion division 512 is by battery modules height (i.e. the direction C in figure), by infusing
Glue groove mouth 511 is gradually increased to cavity 513.
Optionally, the cross sectional shape of diversion division 512 is up-small and down-big tubaeform, and the width on 512 top of diversion division is equal to
The width of injecting glue notch 511, the width of 512 bottom end of diversion division are equal to the width of cavity 513.Diversion division 512 plays a water conservancy diversion
Effect, prevent structure glue from concentrating.
Optionally, the bending part 11 towards battery cell 2 that the bottom of side plate 1 is provided with, the bottom of battery cell 2 with it is curved
Folding part 11 contacts, bending part 11 is used to carry the weight of battery cell 2, prevents battery modules in the process and vibration of carrying
Occur in the process battery cell 2 to bottom offset.The design of bending part 11 can also reduce the use of structure glue, using less
Structure glue is just able to satisfy required intensity.
Optionally, the bottom of insulating layer 5 is provided with the flanging 52 towards battery cell 2, and flanging 52 is arranged in bending part 11
On, flanging 52 battery modules width direction (i.e. the direction D in figure) it is convex for bending part 11 to play better insulation effect.
As shown in Figure 10 to Figure 12, the third embodiment is related to the battery modules of single battery cell 2, and insulating layer 5 is in electricity
Monomer 2 corresponding position in pond is provided with multiple trapezoidal glue grooves 51, and the width of glue groove 51 (is schemed in battery modules short transverse
The middle direction C) on be gradually increased from its top toward the size of its bottom.Fixed range, insulating layer 5 are spaced between each glue groove 51
The back side be pasted onto the inside of side plate 1 after, the top of trapezoidal glue groove 51 is injecting glue notch 511.
In all embodiments, insulating layer 5 has certain thickness, it is preferred that and the thickness of insulating layer 5 is greater than 0.7mm, and
With elasticity.In this way, can absorb the tolerance of 2 width direction of battery cell by the elastic deformation of insulating layer 5 after assembly, guarantee
Structure glue, to guarantee to have enough structure glues to be bonded between side plate 1 and battery cell 2, can protect in glue groove 51
Demonstrate,prove bonding strength.
In all embodiments, battery cell 2 includes cap assembly, electrode assembly and battery case.Wherein, top cover group
Part includes lamina tecti and pole.It is set in the present embodiment, on lamina tecti there are two pole, i.e. respectively positive terminal and negative terminal.
In the present embodiment, battery case can have hexahedral shape or other shapes.
In use process, insulating layer 5 is located to the inside of side plate 1, two end plates 3 and two welding from beginning to end of side plate 1
It is fixed, form mould group peripheral frame；It is reloaded into battery cell 2, the side of multiple glue grooves 51 on insulating layer 5 and multiple battery cells 2
Face 21 is corresponding, the injecting structure glue in glue groove 51, and the side 21 of battery cell 2 is bonded together with side plate 1.It reduces
Battery modules are first put into battery cell 2 before, then weld bring fraction defective and avoid welding particles splatter bring battery
The security risk of 2 short circuit of monomer.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
The scope of patent protection of the utility model.Therefore, based on the innovative idea of the utility model, embodiment described herein is carried out
Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly
Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent
Within enclosing.
Claims (10)
1. a kind of battery modules characterized by comprising
Battery cell；
Mould group peripheral frame, for placing the battery cell, the mould group peripheral frame includes two end plates and two side plates, the end
Plate and the side plate successively fixation from beginning to end；And
Insulating layer, the insulating layer are arranged between the battery cell and the side plate, are provided with appearance glue on the insulating layer
The side of slot, the glue groove and the battery cell is oppositely arranged, the side of the glue groove and the battery cell, described
Form capacity chamber between side plate, be provided with structure glue in the capacity chamber, the structure glue by the side of the battery cell with
The side plate bonding.
2. battery modules according to claim 1, it is characterised in that: the glue groove include injecting glue notch, diversion division with
And cavity, the injecting glue notch are connected by the diversion division with the cavity.
3. battery modules according to claim 2, it is characterised in that: the width of the injecting glue notch is less than the cavity
Width.
4. battery modules according to claim 3, it is characterised in that: the cross sectional shape of the diversion division is up-small and down-big
Tubaeform, the width on the diversion division top is equal to the width of the injecting glue notch, and the width of the diversion division bottom end is equal to institute
State the width of cavity.
5. battery modules according to claim 1, it is characterised in that: the bottom of the side plate is provided with towards the battery
The bending part of monomer.
6. battery modules according to claim 5, it is characterised in that: the bottom of the insulating layer is provided with towards the electricity
The flanging of pond monomer, the flanging are arranged on the bending part.
7. battery modules according to claim 1, it is characterised in that: the width of the glue groove is in battery modules height side
To being from top to bottom gradually increased.
8. battery modules according to claim 7, it is characterised in that: the cross sectional shape of the glue groove is up-small and down-big
It is trapezoidal.
9. battery modules according to claim 1, it is characterised in that: the thickness of the insulating layer is greater than 0.7mm, and has
Elasticity.
10. battery modules according to claim 1, it is characterised in that: the mould group peripheral frame further includes intermediate side plate, described
There is insulating layer on intermediate side plate two sides, and the intermediate side plate is connected with two end plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082242.8U CN209447881U (en) | 2019-01-18 | 2019-01-18 | A kind of battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082242.8U CN209447881U (en) | 2019-01-18 | 2019-01-18 | A kind of battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209447881U true CN209447881U (en) | 2019-09-27 |
Family
ID=68018497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920082242.8U Active CN209447881U (en) | 2019-01-18 | 2019-01-18 | A kind of battery modules |
Country Status (1)
| Country | Link |
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| CN (1) | CN209447881U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599957A (en) * | 2020-04-27 | 2020-08-28 | 威睿电动汽车技术(宁波)有限公司 | Battery module and battery pack |
| WO2021232338A1 (en) * | 2020-05-21 | 2021-11-25 | 宁德时代新能源科技股份有限公司 | Battery module, battery module assembly and production method therefor, and apparatus |
| WO2022027474A1 (en) * | 2020-08-06 | 2022-02-10 | 东莞新能安科技有限公司 | Battery |
| CN114464942A (en) * | 2022-02-21 | 2022-05-10 | 中创新航科技股份有限公司 | Terminal insulating plate, battery device, and method for assembling battery device |
| CN114497925A (en) * | 2022-01-28 | 2022-05-13 | 欣旺达电动汽车电池有限公司 | Battery pack and glue injection method thereof |
| CN114552090A (en) * | 2020-11-26 | 2022-05-27 | 比亚迪股份有限公司 | Battery module and battery |
| CN115732833A (en) * | 2021-08-31 | 2023-03-03 | 宁德时代新能源科技股份有限公司 | Battery box, battery, electric equipment, and battery manufacturing method and equipment |
| WO2023061160A1 (en) * | 2021-10-13 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Battery pack and vehicle |
-
2019
- 2019-01-18 CN CN201920082242.8U patent/CN209447881U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599957A (en) * | 2020-04-27 | 2020-08-28 | 威睿电动汽车技术(宁波)有限公司 | Battery module and battery pack |
| WO2021232338A1 (en) * | 2020-05-21 | 2021-11-25 | 宁德时代新能源科技股份有限公司 | Battery module, battery module assembly and production method therefor, and apparatus |
| WO2022027474A1 (en) * | 2020-08-06 | 2022-02-10 | 东莞新能安科技有限公司 | Battery |
| CN114552090A (en) * | 2020-11-26 | 2022-05-27 | 比亚迪股份有限公司 | Battery module and battery |
| CN114552090B (en) * | 2020-11-26 | 2023-09-05 | 比亚迪股份有限公司 | Battery module and battery |
| CN115732833A (en) * | 2021-08-31 | 2023-03-03 | 宁德时代新能源科技股份有限公司 | Battery box, battery, electric equipment, and battery manufacturing method and equipment |
| WO2023029676A1 (en) * | 2021-08-31 | 2023-03-09 | 宁德时代新能源科技股份有限公司 | Battery casing, battery, electrical device, and method and device for manufacturing battery |
| WO2023061160A1 (en) * | 2021-10-13 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Battery pack and vehicle |
| CN114497925A (en) * | 2022-01-28 | 2022-05-13 | 欣旺达电动汽车电池有限公司 | Battery pack and glue injection method thereof |
| CN114464942A (en) * | 2022-02-21 | 2022-05-10 | 中创新航科技股份有限公司 | Terminal insulating plate, battery device, and method for assembling battery device |
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