CN206422117U - Battery modules - Google Patents
Battery modules Download PDFInfo
- Publication number
- CN206422117U CN206422117U CN201621465059.9U CN201621465059U CN206422117U CN 206422117 U CN206422117 U CN 206422117U CN 201621465059 U CN201621465059 U CN 201621465059U CN 206422117 U CN206422117 U CN 206422117U
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- CN
- China
- Prior art keywords
- end plate
- convex portion
- cell assembly
- battery modules
- antetheca
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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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- 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)
Abstract
The utility model provides a kind of battery modules, and it includes cell assembly, two end plates and two side plates.At least one end plate has：Antetheca, towards cell assembly；Rear wall, away from cell assembly and be formed with forward wall protrusion convex portion, convex portion is spaced apart with antetheca；And two side walls, respectively positioned at end plate length direction two ends and be all connected to antetheca and rear wall so that two side walls, antetheca and rear wall form the hollow cavity along the short transverse insertion of end plate together.The cell of cell assembly can produce swelling in use so that cell assembly formation bulk expansion, the expansive force produced during bulk expansion can directly extrude two end plates.Due to there is gap between the antetheca of end plate for being formed with hollow cavity and the convex portion of rear wall, then the antetheca of the end plate can produce certain elastic deformation under expansive force effect to convex portion direction, so as to absorb the expansive force of cell assembly generation, the service life of each cell is improved.
Description
Technical field
The utility model is related to field of batteries, more particularly to a kind of battery modules.
Background technology
In the battery modules of existing electrokinetic cell system, multiple cells constitute cell assembly side by side, fixed to connect
Two end plates and two side plates being connected together surround the framework for housing simultaneously self-contained battery aggregate together.Cell assembly
Cell can produce in use expand so that cause cell assembly formation bulk expansion.End plate is all firm mostly
Property structure, when end plate rigidity it is too big when, end plate is difficult to deform.Because the expansion meeting of each cell in use
It is increasing, and then the expansive force of cell assembly also can be increasing, if end plate is difficult to deform, cell assembly
Expansive force can because can not via end plate outwards transmit release and cell assembly is directly applied to via the reaction of end plate
On, and then the extruding force of each cell in cell assembly can be increasing, so that the service life of each cell is just
It can be gradually reduced, in some instances it may even be possible to cause each cell to fail.
Utility model content
In view of problem present in background technology, the purpose of this utility model is to provide a kind of battery modules, its end plate
The expansive force of cell assembly generation can be absorbed, the service life of each cell in cell assembly is improved.
To achieve these goals, the utility model provides a kind of battery modules, and it includes：Cell assembly, by many
Individual cell is constituted side by side；Two end plates, respectively positioned at two in the orientation outermost monomer of cell assembly
The outside in the big face of battery；Two side plates, are fixedly connected on two end plates and the self-contained battery aggregate together with two end plates.Its
In, at least one end plate has：Antetheca, towards cell assembly；Rear wall, away from cell assembly and be formed with forward wall protrude
Convex portion, convex portion is spaced apart with antetheca；And two side walls, respectively positioned at end plate length direction two ends and before being all connected to
Wall and rear wall, so that two side walls, antetheca and rear wall form the hollow cavity along the short transverse insertion of end plate together.
The beneficial effects of the utility model are as follows：
According in battery modules of the present utility model, two end plates and two side plates surround the frame of cell assembly together
Frame, framework is housed and self-contained battery aggregate.The cell of cell assembly can produce expansion in use, and then make
Cell assembly formation bulk expansion is obtained, the expansive force produced during bulk expansion can directly extrude two ends in orientation
Plate.Due to there is gap between the antetheca of end plate for being formed with hollow cavity and the convex portion of rear wall, then the antetheca of the end plate is swollen
Expansive force effect is lower can to produce certain elastic deformation to convex portion direction, so as to absorb the expansive force of cell assembly generation.This
When, the expansive force of cell assembly is released, and the extruding force that each cell in cell assembly is subject to will accordingly become
It is small, so as to reduce each cell because of the risk that extruding force is excessive and fails, improve the service life of each cell.This
Outside, convex portion is formed with due to the rear wall for the end plate for being formed with hollow cavity, the thickness of two side walls is more than the thickness of antetheca, then after
The intensity of wall and two side walls is significantly greater than the intensity of antetheca, therefore rear wall and two side walls will not be typically deformed, then should
The overall structure change of end plate is little, so as to house and the framework of self-contained battery aggregate is difficult to fall apart.
Brief description of the drawings
Fig. 1 is the profile of the end plate according to battery modules of the present utility model in one embodiment.
Fig. 2 is the deformation of the end plate in Fig. 1.
Fig. 3 is another deformation of the end plate in Fig. 1.
Fig. 4 is schematic diagram when cell in battery modules of the present utility model does not produce expansion.
Schematic diagram when Fig. 5 is the cell generation expansion in battery modules of the present utility model.
Wherein, description of reference numerals is as follows：
1 cell assembly S23 cavitys
11 cell H23 mounting holes
The hollow cavity of 2 end plate 24
The side plate of 21 antetheca 3
The connection sheet of 22 rear wall 4
221 convex portion W widths
S22 hollow out chamber L length directions
23 side wall H short transverses
Embodiment
Describe in detail with reference to the accompanying drawings according to battery modules of the present utility model.
Referring to figs. 1 to Fig. 5, included according to battery modules of the present utility model：Cell assembly 1, by multiple cells
11 constitute side by side；Two end plates 2, respectively positioned at cell assembly 1 in orientation (width of the orientation parallel to end plate 2
Spend direction W) on two outermost cells 11 big face outside；Two side plates 3, are fixedly connected on two end plates 2 simultaneously
The self-contained battery aggregate 1 together with two end plates 2.Wherein, at least one end plate 2 has：Antetheca 21, towards cell assembly 1；
Rear wall 22, away from cell assembly 1 and be formed with forward wall 21 protrusion convex portion 221, convex portion 221 is spaced apart (i.e. with antetheca 21
There is gap between antetheca 21 and convex portion 221)；And two side walls 23, respectively positioned at end plate 2 length direction L two ends and
Antetheca 21 and rear wall 22 are all connected to, so that two side walls 23, antetheca 21 and rear wall 22 form the height side along end plate 2 together
To the hollow cavity 24 of H insertions.
According in battery modules of the present utility model, two end plates 2 and two side plates 3 surround cell assembly 1 together
Framework, framework house and self-contained battery aggregate 1.The cell 11 of cell assembly 1 can produce swollen in use
Swollen and then cause the formation bulk expansion of cell assembly 1, the expansive force produced during bulk expansion can be extruded directly in orientation
Two end plates 2.Due to there is gap between the antetheca 21 of end plate 2 for being formed with hollow cavity 24 and the convex portion 221 of rear wall 22,
Then the antetheca 21 of the end plate 2 can produce certain elastic deformation under expansive force effect to the direction of convex portion 221, so as to absorb electricity
The expansive force that pond aggregate 1 is produced.Now, the expansive force of cell assembly 1 is released, each monomer in cell assembly 1
The extruding force that battery 11 is subject to will accordingly diminish, so as to reduce each cell 11 because of extruding force is excessive and fails wind
Danger, improves the service life of each cell 11.Further, since the rear wall 22 for being formed with the end plate 2 of hollow cavity 24 is formed
There are convex portion 221, the thickness of two side walls 23 to be more than the thickness of antetheca 21, then the intensity of rear wall 22 and two side walls 23 is significantly greater than
The intensity of antetheca 21, therefore rear wall 22 and two side walls 23 will not typically be deformed, then the overall structure change of the end plate 2 is not
Greatly, so as to house and the framework of self-contained battery aggregate 1 is difficult to fall apart.
The shaping of end plate 2 can be adopted in various manners.For example, being formed with antetheca 21, the rear wall of the end plate 2 of hollow cavity 24
22 and two side walls 23 can be integrally formed.Further, be formed with the antetheca 21 of the end plate 2 of hollow cavity 24, rear wall 22 with
And two side walls 23 can be integrally formed by squeezing type technique.
According to battery modules of the present utility model, in one embodiment, as shown in figure 3, being formed with the end of hollow cavity 24
The convex portion 221 of the rear wall 22 of plate 2 is formed with the hollow out chamber S22 along the short transverse H insertion of end plate 2.Here, when the end plate 2
Antetheca 21 expansive force effect under be extruded into contact and be further extruded with the convex portion 221 of rear wall 22 when, convex portion 221 also can
Certain elastic deformation is produced accordingly, and the hollow out chamber S22 being now arranged on convex portion 221 can carry for the deformation of convex portion 221
For corresponding deformation space, so as to further absorb the expansive force that cell assembly 1 is produced.In addition, hollow out chamber S22 setting section
Save and made the material of end plate 2, saved cost, and alleviated the total quality of battery modules.Wherein, hollow out chamber S22 horizontal stroke
Cross sectional shape can be triangle.Certainly not only limit in this way, hollow out chamber S22 shape of cross section can also be other shapes.
The quantity and arrangement of convex portion 221 can be carried out in a variety of ways.
In one embodiment, reference picture 1 and Fig. 3, convex portion 221 are multiple, length of the two neighboring convex portion 221 along end plate 2
Direction L links together, so that multiple convex portions 221 form the rear wall 22 of ridge shape together.In another embodiment, reference picture 2,
Convex portion 221 is multiple, and length direction L of the two neighboring convex portion 221 along end plate 2 is spaced apart.Correspondingly, each convex portion 221 is transversal
Face shape can be triangle (as shown in figures 1 and 3), and the shape of cross section of each convex portion 221 is alternatively rectangle (as shown in Figure 2).
Certainly not only limit in this way, the shape of cross section of each convex portion 221 can also be other shapes.
As shown in figure 3, the side wall 23 for being formed with the end plate 2 of hollow cavity 24 can be formed with along the short transverse H of end plate 2 and pass through
Logical cavity S23.Cavity S23 setting, which is saved, to be made the material of end plate 2, has saved cost, and alleviates battery modules
Total quality.Wherein, cavity S23 shape of cross section can be triangle, not only limit certainly in this way, hollow out chamber S22 cross section
Shape can also be other shapes.
In order to realize being fixedly connected for two end plates 2 and two side plates 3, each end plate 2 is solderable to be connected to two side plates 3.
It is connected for the ease of other parts (such as the bottom plate (not shown) for support) with battery modules, in being formed with
The side wall 23 of the end plate 2 of cavity body 24 is provided with the mounting hole H23 along the short transverse H insertion of end plate 2.Here, due to two
The intensity of side wall 23 is more than the intensity of antetheca 21, and when cell assembly 1 produces expansion, side wall 23 will not be deformed easily, then
The position for the mounting hole H23 being arranged on side wall 23 will not be also subjected to displacement easily, therefore when framework is installed by mounting hole H23
When on other parts of battery modules, framework is difficult to fall apart.
In addition, as shown in Figure 4 and Figure 5, battery modules may also include：Multiple connection sheets 4, are electrically connected to corresponding monomer electricity
Pond 11 is to realize series connection and/or parallel connection between each cell 11.
Claims (10)
1. a kind of battery modules, including：
Cell assembly (1), is made up of side by side multiple cells (11)；
Two end plates (2), respectively positioned at two in the orientation outermost cell (11) of cell assembly (1)
The outside in big face；
Two side plates (3), are fixedly connected on two end plates (2) and the self-contained battery aggregate (1) together with two end plates (2)；
Characterized in that, at least one end plate (2) has：
Antetheca (21), towards cell assembly (1)；
Rear wall (22), away from cell assembly (1) and is formed with the prominent convex portion (221) of forward wall (21), and convex portion (221) are with before
Wall (21) is spaced apart；And
Two side walls (23), respectively positioned at end plate (2) length direction (L) two ends and be all connected to antetheca (21) and rear wall
(22), so that two side walls (23), antetheca (21) and rear wall (22) form short transverse (H) insertion along end plate (2) together
Hollow cavity (24).
2. battery modules according to claim 1, it is characterised in that be formed with before the end plate of hollow cavity (24) (2)
Wall (21), rear wall (22) and two side walls (23) are integrally formed.
3. battery modules according to claim 2, it is characterised in that be formed with before the end plate of hollow cavity (24) (2)
Wall (21), rear wall (22) and two side walls (23) are integrally formed by squeezing type technique.
4. battery modules according to claim 1, it is characterised in that be formed with after the end plate of hollow cavity (24) (2)
The convex portion (221) of wall (22) is formed with the hollow out chamber (S22) along short transverse (H) insertion of end plate (2).
5. battery modules according to claim 1, it is characterised in that convex portion (221) are multiple, two neighboring convex portion
(221) linked together along the length direction (L) of end plate (2).
6. battery modules according to claim 1, it is characterised in that convex portion (221) are multiple, two neighboring convex portion
(221) it is spaced apart along the length direction (L) of end plate (2).
7. battery modules according to claim 5, it is characterised in that the shape of cross section of each convex portion (221) is triangle.
8. battery modules according to claim 6, it is characterised in that the shape of cross section of each convex portion (221) is rectangle.
9. battery modules according to claim 1, it is characterised in that be formed with the side of the end plate (2) of hollow cavity (24)
Wall (23) is formed with the cavity (S23) along short transverse (H) insertion of end plate (2).
10. battery modules according to claim 1, it is characterised in that be formed with the side of the end plate (2) of hollow cavity (24)
Wall (23) is provided with the mounting hole (H23) along short transverse (H) insertion of end plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465059.9U CN206422117U (en) | 2016-12-29 | 2016-12-29 | Battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465059.9U CN206422117U (en) | 2016-12-29 | 2016-12-29 | Battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206422117U true CN206422117U (en) | 2017-08-18 |
Family
ID=59573139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621465059.9U Active CN206422117U (en) | 2016-12-29 | 2016-12-29 | Battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206422117U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112333A (en) * | 2018-02-01 | 2019-08-09 | 爱信轻金属株式会社 | Battery assembly tectosome |
| CN110323374A (en) * | 2018-03-30 | 2019-10-11 | 郑州深澜动力科技有限公司 | Frame, battery modules and the power module of battery modules |
| CN110323373A (en) * | 2018-03-30 | 2019-10-11 | 郑州深澜动力科技有限公司 | The frame and power module of battery modules, battery modules |
| CN110391371A (en) * | 2018-04-19 | 2019-10-29 | 大众汽车有限公司 | Battery unit and the method for manufacturing such battery unit |
| CN112103420A (en) * | 2019-06-18 | 2020-12-18 | 宁德时代新能源科技股份有限公司 | Temperature control assembly and battery pack |
| CN114122607A (en) * | 2020-08-25 | 2022-03-01 | 泰星能源解决方案有限公司 | Power storage device and method for manufacturing same |
-
2016
- 2016-12-29 CN CN201621465059.9U patent/CN206422117U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112333A (en) * | 2018-02-01 | 2019-08-09 | 爱信轻金属株式会社 | Battery assembly tectosome |
| CN110323374A (en) * | 2018-03-30 | 2019-10-11 | 郑州深澜动力科技有限公司 | Frame, battery modules and the power module of battery modules |
| CN110323373A (en) * | 2018-03-30 | 2019-10-11 | 郑州深澜动力科技有限公司 | The frame and power module of battery modules, battery modules |
| CN110391371A (en) * | 2018-04-19 | 2019-10-29 | 大众汽车有限公司 | Battery unit and the method for manufacturing such battery unit |
| CN112103420A (en) * | 2019-06-18 | 2020-12-18 | 宁德时代新能源科技股份有限公司 | Temperature control assembly and battery pack |
| CN114122607A (en) * | 2020-08-25 | 2022-03-01 | 泰星能源解决方案有限公司 | Power storage device and method for manufacturing same |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |