CN209104243U - The battery modules and battery pack of battery pack - Google Patents
The battery modules and battery pack of battery pack Download PDFInfo
- Publication number
- CN209104243U CN209104243U CN201822273175.6U CN201822273175U CN209104243U CN 209104243 U CN209104243 U CN 209104243U CN 201822273175 U CN201822273175 U CN 201822273175U CN 209104243 U CN209104243 U CN 209104243U
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- China
- Prior art keywords
- mounting portion
- side plate
- battery pack
- battery modules
- battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides the battery modules and battery pack of a kind of battery pack, the battery modules of battery pack include: mould group ontology, two end plates and two side plates, two end plates are respectively arranged at the first end and second end of the mould group ontology, and the first end is opposite with the second end；Two side plates are respectively arranged at the mould group first body side and second side, first side is opposite with described second side, the adjacent end plate is fixedly connected with the side plate, and mounting portion is provided on each side plate, and the mounting portion is suitable for connecting with the mounting rail in the battery pack.Thus, cooperated by mounting portion and mounting rail, it can be improved the ability of battery modules resistance to deformation itself, also it can be improved the ability of battery pack Collision-free and extruding, it can prevent battery modules from failing, so as to avoid on fire or explosion accident generation, and then it can guarantee the safety in utilization of battery pack.
Description
Technical field
The utility model relates to battery technology field, in particular to the battery modules of a kind of battery pack and have the battery
The battery pack of the battery modules of packet.
Background technique
As current social energy crisis is got worse, new-energy automobile is especially electronic increasingly by social concerns
Automobile.And power battery pack is electric car important component, battery modules are the core components of power battery pack.Collision peace
Complete is always important one of the focus of new-energy automobile, and general battery modules use Al-alloy casing structural shielding, the shell
Structure plays safety protection function to battery core.However, side plate safeguard structure is insufficiently resistant to electricity when vehicle is abnormal accident
Pond packet extrusion and collision and generate biggish deformation, thus generate threaten member's life security on fire or explosion accident.
In the related technology, the shell structure of general battery modules is using aluminium alloy end plate and plate-side plate welding at metal framework
Mode guarantees core strueture safety, and end plate provides mechanically and electrically interface, the lateral plate structure Collision-free of the structure type or
The ability of extruding is weaker, if battery pack resistance capacity to deformation is insufficient, mould group side plate is highly susceptible to squeeze and failure risk occurs.
Utility model content
In view of this, the utility model is directed to a kind of battery modules of battery pack, supported with solving battery modules itself
The problem of scarce capacity of resistance to deformation.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of battery modules of battery pack include: mould group ontology, two end plates and two side plates.Two end plate difference
It is set to the first end and second end of the mould group ontology, the first end is opposite with the second end；Two side plates point
It is not set to the mould group first body side and second side, first side is opposite with described second side, the adjacent end plate
Be fixedly connected with the side plate, be provided with mounting portion on each side plate, the mounting portion be suitable for in the battery pack
Mounting rail connection.
It is empty that mounting rail installation is formed in some examples of the utility model, between two adjacent battery modules
Between.
In some examples of the utility model, in the short transverse of the mould group ontology, the two neighboring mould group
Two mounting portions between ontology have difference in height, so that two mounting portions energy in the short transverse
Enough it is stacked.
In some examples of the utility model, two stacked mounting portions are close to up and down.
In some examples of the utility model, each side plate includes: the first sub- side plate and the second sub- side plate, institute
The top that the first sub- side plate is set to the described second sub- side plate is stated, the lower end of the first sub- side plate has the first mounting portion, institute
The upper end for stating the second sub- side plate has the second mounting portion, and first mounting portion is close to described to be formed with second mounting portion
Mounting portion.
In some examples of the utility model, first mounting portion and the described first sub- side plate, second installation
Portion is integrally formed with the described second sub- side plate.
In some examples of the utility model, first mounting portion, second mounting portion include: flange and master
Body, one end of the flange are fixedly connected with the side plate, and the other end of the flange is fixedly connected with the main body.
In some examples of the utility model, the main body is provided with mounting hole, the peace of first mounting portion
Dress hole and the mounting hole of second mounting portion are correspondingly arranged.
In some examples of the utility model, in the width direction of the mould group ontology, the end of the mounting portion
Projection is located between the outer wall and inner wall of the end plate.
Compared with the existing technology, the battery modules of battery pack described in the utility model have the advantage that
The battery modules of battery pack according to the present utility model are cooperated by mounting portion and mounting rail, can be improved battery
The ability of mould group resistance to deformation itself also can be improved the ability of battery pack Collision-free and extruding, can prevent battery modules
Failure, so as to avoid on fire or explosion accident generation, and then can guarantee the safety in utilization of battery pack.
The another object of the utility model is to propose a kind of battery pack.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of battery pack, the battery modules including above-mentioned battery pack.
Possessed advantage is identical compared with the existing technology with the battery modules of above-mentioned battery pack for the battery pack, herein not
It repeats again.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the schematic diagram of battery modules described in the utility model embodiment；
Fig. 2 is the side view of battery modules described in the utility model embodiment；
Fig. 3 is the side view after two battery modules assembly described in the utility model embodiment；
Fig. 4 is the main view of the first sub- side plate of battery modules described in the utility model embodiment；
Fig. 5 is the side view of the first sub- side plate of battery modules described in the utility model embodiment；
Fig. 6 is the main view of the second sub- side plate of battery modules described in the utility model embodiment；
Fig. 7 is the side view of the second sub- side plate of battery modules described in the utility model embodiment.
Description of symbols:
Battery modules 10；
Mould group ontology 1；
End plate 2；
Side plate 3；First sub- side plate 31；Second sub- side plate 32；First mounting portion 33；Second mounting portion 34；Flange 35；Main body
36；Mounting hole 37；
Mounting portion 4；Crack arrest mouth 5；
Mounting rail installation space 20.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Fig. 1-Fig. 7, the battery modules 10 according to the battery pack of the utility model embodiment include: mould group ontology 1,
Two end plates 2 and two side plates 3.Two end plates 2 and two side plates 3 can be manufactured using aluminum alloy material, and two end plates 2 can
To be respectively arranged at the first end and second end of mould group ontology 1, first end is oppositely arranged with second end, that is to say, that two ends
One in plate 2 is set to the first end of mould group ontology 1, another in two end plates 2 is set to the second of mould group ontology 1
End.Two side plates 3 can be respectively arranged at 1 first side of mould group ontology and second side, and the first side is oppositely arranged with second side, adjacent
End plate 2 can be fixed together by welding with side plate 3, mounting portion can be set on each side plate 3
4, mounting portion 4 is suitable for connecting with the mounting rail in battery pack.
Also, mounting rail is the beam structure of battery pack lower case, after battery pack is completed, the installation of battery modules 10
Portion 4 is assembled together with mounting rail, and mounting rail is located between the side plate 3 of two adjacent battery modules 10, that is to say, that
Between two adjacent battery modules 10, mounting rail and the side plate 3 of two adjacent battery modules 10 recline mounting rail, when
When battery pack is extruded, extruding force is first acted on mounting rail, and after mounting rail is extruded, extruding force can just pass to mounting portion 4
With side plate 3.
Wherein, when extruding force is smaller, mounting rail and mounting portion 4 can sponge extruding force, and extruding force would not be by side
Plate 3 is squeezed and deformed, and when extruding force is larger, mounting rail and mounting portion 4 can sponge a part of extruding force, can reduce battery
Extruding force suffered by mould group 10.Cooperated as a result, by mounting portion 4 and mounting rail, can be improved the resistance to deformation of battery modules 10 itself
Ability, also can be improved the ability of battery pack Collision-free and extruding, additionally it is possible to improve the antivibration kinetic force of battery modules 10,
Battery modules 10 can be prevented to be subject to crushing, be also possible to prevent the failure of battery modules 10, so as to avoid on fire or explosion thing
Therefore generation, and then can guarantee the safety in utilization of battery pack.
Cooperated as a result, by mounting portion 4 and mounting rail, can be improved the ability of the resistance to deformation of battery modules 10 itself,
Can be improved the ability of battery pack Collision-free and extruding, can prevent battery modules 10 fail, so as to avoid it is on fire or
The generation of person's explosion accident, and then can guarantee the safety in utilization of battery pack.
In some embodiments of the utility model, as shown in figure 3, can be formed between two adjacent battery modules 10
Mounting rail installation space 20 is arranged, two it is to be understood that two side plates 3 of two adjacent battery modules 10 are spaced apart
Space between side plate 3 is mounting rail installation space 20, wherein by the way that mounting rail installation space 20 is arranged, can guarantee to install
Beam can be assemblied between two battery modules 10, can be promoted the anti-extrusion ability of battery pack, be thereby may be ensured that battery modules
10 are not subject to crushing, and then can extend the service life of battery modules 10.
In some embodiments of the utility model, as shown in figure 3, in the short transverse of mould group ontology 1, it is two neighboring
Two mounting portions 4 between mould group ontology 1 have difference in height, so that two mounting portions 4 in the height direction can be by
It is stacked.Wherein, about 4 two mounting portions on two side plates 3 of each battery modules 10 shift to install, it is understood that be,
In the up-down direction, the mounting portion 4 on the side plate 3 in left side has height with the mounting portion 4 on the side plate 3 for being located at right side
Difference.When assembling battery modules 10, two with the difference in height mounting portion 4 of two adjacent battery modules 10 is assemblied in one
It rises, setting in this way can be such that two adjacent battery modules 10 are mounted on a mounting rail, can reduce between battery modules 10
Spacing, so as to save the installation space in battery pack, and then can guarantee to arrange more in the limited space of battery pack
More battery cores.
In some embodiments of the utility model, about 4 stacked two mounting portions are close to, it should be noted that phase
After two mounting portions 4 of two adjacent battery modules 10 are assemblied in the same mounting rail, two mounting portions 4 are stacked together, such as
Two mounting portions 4 can reliably be assembled together by this setting, and battery modules 10 can be made more firm.
In some embodiments of the utility model, as depicted in figs. 1 and 2, each side plate 3 be may each comprise: the first son
Side plate 31 and the second sub- side plate 32, the first sub- side plate 31 can be set in the top of the second sub- side plate 32, the first sub- side plate 31
Lower end can have the first mounting portion 33, and the upper end of the second sub- side plate 32 can have the second mounting portion 34, the first mounting portion 33
It is close to the second mounting portion 34 to form mounting portion 4.
In some embodiments of the utility model, the first mounting portion 33 and the first sub- side plate 31, the second mounting portion 34 with
Second sub- side plate 32 is integrally formed, that is to say, that the first mounting portion 33 and the first sub- side plate 31, the second mounting portion 34 and the second son
Side plate 32 is integrally formed part, and setting in this way can enhance the structural strength of side plate 3, and the energy of 3 resistance to deformation of side plate can be improved
Power thereby may be ensured that the safety in utilization of battery modules 10.
Wherein it is possible to forming the first mounting portion 33 by a sheet metal component bending constitutes the first sub- side plate 31, it can be by one
Sheet metal component bending forms the second mounting portion 34 and constitutes the second sub- side plate 32, and the first mounting portion 33 and the second mounting portion 34 are welded on
Form side plate 3 afterwards together, side plate 3 can also be formed by a sheet metal component bending, and setting in this way can simplify the manufacture step of side plate 3
Suddenly, the processing efficiency of side plate 3 can be greatly improved, so as to promote the productive temp of battery modules 10.
In some embodiments of the utility model, as shown in Figure 4-Figure 7, the first mounting portion 33, the second mounting portion 34 are
It may include: flange 35 and main body 36, one end of flange 35 is fixedly connected with side plate 3, and the other end and main body 36 of flange 35 are solid
Fixed connection, it is to be understood that one end of the flange 35 of the first mounting portion 33 is connect with the first sub- side plate 31, the first mounting portion 33
The other end of flange 35 be fixedly connected with main body 36, one end of the flange 35 of the second mounting portion 34 connects with the second sub- side plate 32
It connects, the other end of the flange 35 of the second mounting portion 34 is fixedly connected with main body 36.Wherein, the first mounting portion 33, the second mounting portion
For 34 flange 35 it is so structured that arc-shaped, such setting can be by the first sub- side plate 31 and the first mounting portion 33, the second sub- side
Plate 32 preferably links together with the second mounting portion 34, can prevent the first sub- side plate 31 and first the 33, second son of mounting portion
Side plate 32 is separated with the second mounting portion 34, thereby may be ensured that the functional reliability of side plate 3.
In some embodiments of the utility model, as shown in Figure 1, mounting hole 37, the first peace has can be set in main body 36
The mounting hole 37 in dress portion 33 and the mounting hole 37 of the second mounting portion 34 are correspondingly arranged, for example, in the up-down direction, the first mounting portion
The mounting hole 37 of 33 mounting hole 37 and the second mounting portion 34 is correspondingly arranged, and setting in this way can guarantee an installation bolt simultaneously
It is assembled together after the mounting hole 37 of the first mounting portion 33 and the mounting hole 37 of the second mounting portion 34 with mounting rail, Ke Yishi
The work purpose now battery modules 10 being mounted on mounting rail.
Wherein it is possible to stamp out mounting hole 37 in main body 36, according to the difference of 37 positions of mounting hole, main body 36 is adjusted
Width, thereby may be ensured that the difference in height of the mounting hole 37 of two side plates 3 of each battery modules 10.Also, side plate 3 and electricity
The purpose of battery core of Chi Mo group 10 bonds together, and bonding form, which uses, applies structure glue or double-sided adhesive, this mode is to improve battery
10 integral strength of mould group can prevent battery core play in above-below direction, and 10 antivibration kinetic force of battery modules can be improved, meanwhile,
The side plate 3 of the application eliminates side plate flange, contacts battery core bottom directly with liquid cooling plate inside battery pack, improves battery mould
The heat dissipation uniformity of group 10, reduces the required precision of assembly, it is easy to accomplish assembly automation.In addition, this 3 structure of side plate can be with
So that end plate 2, side plate 3 and the positive and negative main electrode of battery modules 10 is kept enough creepage distances, it is high to be conducive to the following power battery pack
The realization of pressure system.
In some embodiments of the utility model, in the width direction of mould group ontology 1, the end projection of mounting portion 4
Between the outer wall and inner wall of end plate 2.Wherein, which provides mounting hole 37 by side plate 3, and side plate 3 can use
The techniques such as massive plate punching press, bending, welding, punching are process, and using Sheet Metal Forming Technology mode, wash out 3 both ends of side plate first
Part metals, principle are to wash out the length of metal part less than 2 thickness of end plate, and the depth for washing out metal part is equal to bending width
3 wall thickness of side plate is subtracted, the purpose for the arrangement is that end plate 2 and side plate 3 can be complete with a step when welding after two bending plate weldings are completed
At avoiding the presence because of side bending, end plate 2 and side plate 3 are needed to weld two completion up and down and be welded, it is contemplated that welding starting with
The weld strength of closing position is generally weaker, according to substep weld, intermediate position because welding less than or weld strength it is excessively weak, and
Position bulging power is larger among battery core, and the risk of welding seam failure has been significantly greatly increased, using this stamping procedure, can improve welding item
Part improves the weld strength of end plate 2 and side plate 3, so as to improve the shell structure intensity of battery modules 10.
Also, the end projection of mounting portion 4 is located between the outer wall and inner wall of end plate 2, can be formed at the both ends of end plate 2
Crack arrest mouth 5, punching press length are less than 2 thickness of end plate, can be exposed to avoid battery core insulating layer, so that side plate 3 and end plate 2
Welding slag enters crack arrest mouth 5, and then the wind that can be failed to avoid the insulating layer of battery core and battery modules 10 in the welding process
Danger.
In addition, the side plate 3 of the application compared to extrudate, eliminate with 2 welding portion intermediate ribs structure of end plate, avoid
Complex procedures of multiple welding and intermediate position is unwelded or weld strength lowers the generation of situation, can be improved end
The ability of the resistance battery core bulging power of plate 2, it is ensured that end plate 2 keeps concordant with side plate 3, and end plate 2, side plate 3 can be improved to water
The electrical creepage distance of 10 main electrode of cold plate and battery modules, or the realization of later period power battery pack system high pressure scheme
Provide possibility.
According to the battery pack of the utility model embodiment, the battery modules 10 including above-described embodiment, battery modules 10 are set
It sets and is mounted in battery pack, which can be improved the ability of the resistance to deformation of battery modules 10 itself, also can be improved
The ability of battery pack Collision-free and extruding can prevent battery modules 10 from failing, so as to avoid on fire or explosion thing
Therefore generation, and then can guarantee the safety in utilization of battery pack.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of battery modules of battery pack (10) characterized by comprising
Mould group ontology (1)；
Two end plates (2), two end plates (2) are respectively arranged at the first end and second end of the mould group ontology (1), described
First end is opposite with the second end；
Two side plates (3), two side plates (3) are respectively arranged at (1) first side of mould group ontology and second side, and described
Side is opposite with described second side, and the adjacent end plate (2) is fixedly connected with the side plate (3), on each side plate (3)
It is provided with mounting portion (4), the mounting portion (4) is suitable for connecting with the mounting rail in the battery pack.
2. the battery modules (10) of battery pack according to claim 1, which is characterized in that the battery mould of adjacent two
Mounting rail installation space (20) are formed between group (10).
3. the battery modules (10) of battery pack according to claim 1, which is characterized in that in the mould group ontology (1)
In short transverse, two mounting portions (4) between the two neighboring mould group ontology (1) have difference in height, so that
This two mounting portions (4) can be stacked in the short transverse.
4. the battery modules (10) of battery pack according to claim 3, which is characterized in that two stacked mounting portions
(4) it is close to up and down.
5. the battery modules (10) of battery pack according to claim 1, which is characterized in that each side plate (3) is wrapped
Include: the first sub- side plate (31) and the second sub- side plate (32), the first sub- side plate (31) are set to the described second sub- side plate (32)
Top, the lower end of the first sub- side plate (31) has the first mounting portion (33), and the upper end of the second sub- side plate (32) has
Have the second mounting portion (34), first mounting portion (33) is close to second mounting portion (34) to form the mounting portion
(4)。
6. the battery modules (10) of battery pack according to claim 5, which is characterized in that first mounting portion (33) with
The first sub- side plate (31), second mounting portion (34) and the described second sub- side plate (32) are integrally formed.
7. the battery modules (10) of battery pack according to claim 5, which is characterized in that first mounting portion (33),
Second mounting portion (34) includes: flange (35) and main body (36), and one end and the side plate (3) of the flange (35) are solid
Fixed connection, the other end of the flange (35) are fixedly connected with the main body (36).
8. the battery modules (10) of battery pack according to claim 7, which is characterized in that the main body (36) is provided with peace
It fills hole (37), the mounting hole of the mounting hole (37) of first mounting portion (33) and second mounting portion (34)
(37) it is correspondingly arranged.
9. the battery modules (10) of battery pack according to claim 1, which is characterized in that in the mould group ontology (1)
In width direction, the end projection of the mounting portion (4) is located between the outer wall and inner wall of the end plate (2).
10. a kind of battery pack, which is characterized in that the battery modules including battery pack of any of claims 1-9
(10)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822273175.6U CN209104243U (en) | 2018-12-29 | 2018-12-29 | The battery modules and battery pack of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822273175.6U CN209104243U (en) | 2018-12-29 | 2018-12-29 | The battery modules and battery pack of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209104243U true CN209104243U (en) | 2019-07-12 |
Family
ID=67163636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822273175.6U Active CN209104243U (en) | 2018-12-29 | 2018-12-29 | The battery modules and battery pack of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209104243U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106279A (en) * | 2019-08-02 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN112018284A (en) * | 2019-05-31 | 2020-12-01 | 比亚迪股份有限公司 | Battery module, battery pack and vehicle |
| US11894510B2 (en) | 2019-06-27 | 2024-02-06 | Contemporary Amperex Technology Co., Limited | Battery pack and vehicle |
-
2018
- 2018-12-29 CN CN201822273175.6U patent/CN209104243U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018284A (en) * | 2019-05-31 | 2020-12-01 | 比亚迪股份有限公司 | Battery module, battery pack and vehicle |
| US11894510B2 (en) | 2019-06-27 | 2024-02-06 | Contemporary Amperex Technology Co., Limited | Battery pack and vehicle |
| CN111106279A (en) * | 2019-08-02 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | Battery pack |
| US11239525B2 (en) | 2019-08-02 | 2022-02-01 | Contemporary Amperex Technology Co., Limited | Battery pack |
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