CN209071470U - The lower case of battery pack - Google Patents
The lower case of battery pack Download PDFInfo
- Publication number
- CN209071470U CN209071470U CN201822268677.XU CN201822268677U CN209071470U CN 209071470 U CN209071470 U CN 209071470U CN 201822268677 U CN201822268677 U CN 201822268677U CN 209071470 U CN209071470 U CN 209071470U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- side bar
- lower case
- ontology
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of lower case of battery pack, and the lower case of battery pack includes: ontology, bottom plate and multiple crossbeams, and ontology limits closed loop space；Bottom plate is connected to the lower section of ontology；Multiple crossbeams are set in closed loop space, the upper surface connection of the inner sidewall, bottom plate of multiple crossbeams and ontology.Thus, by the way that multiple crossbeams are arranged, can in battery pack battery modules and electricity piece support force is provided, the positional stability of battery modules and electricity piece can be promoted, side impact support force can be also provided for battery pack, the safety of the battery modules and electricity piece inside battery pack can be improved, and, also it is able to ascend the ability that battery pack resists external pressure, the deflection of battery pack can be reduced, it thereby may be ensured that the functional reliability of battery pack, simultaneously, it does not need that many brackets are installed on the bottom plate of the application lower case, the space utilization rate in battery pack can be promoted, so as to promote the energy density of battery pack.
Description
Technical field
The utility model relates to battery technology field, in particular to a kind of lower case of battery pack.
Background technique
With flourishing for new energy industry, in face of growing battery modules demand, country is to battery system
Energy density, waterproof performance etc. propose higher demand.Important component of the power battery pack outer housing as electric car,
Wherein lower case has the weight for supporting entire battery pack, offer battery pack and vehicle installation point, protection inside battery safety etc.
Effect, the lower case safety direct relation of power battery pack and the safety for influencing entire electric car.
In the related technology, the lower case material of battery pack has casting, sheet metal component and aluminum profile part, designs in existing lower case
In, the bottom plate of battery pack is used as supporting element mostly, provide installation point for battery pack inner part, for install fixed battery modules,
The components such as thermal management assemblies, electric component.Sheet metal component lower case needs install many brackets on bottom plate, install it is comparatively laborious and
Space utilization rate is low, and casting lower case back-plane design thickness is larger, causes whole packet weight bigger.
There are still following problems in existing design scheme: lower case weight is bigger, and it is inadequate that lower case resists external pressure
Ideal causes space utilization rate low since the design that lower case provides installation point needs.In consideration of it, it is necessary to provide a kind of electricity
The lower case of Chi Bao overcomes disadvantages described above.
Utility model content
In view of this, the utility model is directed to a kind of lower case of battery pack, the electricity inside battery pack can solve
The safety of Chi Mo group and electricity piece also can solve the lower case of existing battery pack problem erroneous for installation.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of lower case of battery pack includes: ontology, bottom plate and multiple crossbeams, and the ontology limits closed loop space；Institute
State the lower section that bottom plate is connected to the ontology；Multiple crossbeams are set in the closed loop space, multiple crossbeams and institute
State the upper surface connection of the inner sidewall, the bottom plate of ontology.
In some examples of the utility model, ontology includes: front side bar, left side side bar, rear portion side bar and right edge
Beam, the front side bar, the left side side bar, the rear portion side bar and right side side bar head and the tail are sequentially connected to limit
State closed loop space.
In some examples of the utility model, section of the front side bar, the left side side bar and the right side side bar
Face is identical.
In some examples of the utility model, the lower case of the battery pack further include: head plate, the head plate setting
In the front side bar, multiple crossbeams and the front side bar are parallel and spaced apart, and the upper end of each crossbeam is all provided with
It is equipped with groove, multiple groove faces and corresponding with the head plate.
In some examples of the utility model, the front side bar, the left side side bar, the rear portion side bar and described
The upper surface of right side side bar is smooth flat.
In some examples of the utility model, the lower end of each crossbeam is provided with flange.
In some examples of the utility model, in the short transverse of the ontology, the lower end of the crossbeam is higher than institute
The lower end height of ontology is stated, and the lower end of the crossbeam is not higher than the upper end level of the ontology.
In some examples of the utility model, the lower case of the battery pack further include: stiffening plate, the stiffening plate
It is set to the lower surface of the bottom plate, the stiffening plate is arranged along the front-rear direction of the ontology.
In some examples of the utility model, the front side bar, the left side side bar and the right side side bar are all provided with
It is equipped with the first installation point, the rear portion side bar is provided with the second installation point.
In some examples of the utility model, the left side side bar is provided with installation anchor point, and the right side side bar is set
It is equipped with auxiliary positioning point.
Compared with the existing technology, the lower case of battery pack described in the utility model has the advantage that
The lower case of battery pack according to the present utility model can be the battery in battery pack by the way that multiple crossbeams are arranged
Mould group and electricity piece provide support force, can promote the positional stability of battery modules and electricity piece, can also mention for battery pack
For side impact support force, the safety of the battery modules and electricity piece inside battery pack can be improved, also, be also able to ascend battery
Packet resists the ability of external pressure, can reduce the deflection of battery pack, thereby may be ensured that the functional reliability of battery pack, together
When, it does not need that many brackets are installed on the bottom plate of the application lower case, the space utilization rate in battery pack can be promoted, so as to
To promote the energy density of battery pack.
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 lower case described in the utility model embodiment；
Fig. 2 is the explosive view of lower case described in the utility model embodiment；
Fig. 3 is the sectional view of lower case described in the utility model embodiment；
Fig. 4 is the top view of battery pack described in the utility model embodiment；
Fig. 5 is the mounting means schematic diagram of lower case described in the utility model embodiment；
Fig. 6 is that the schematic diagram of bushing is arranged in the mounting means of lower case described in the utility model embodiment
Fig. 7 is the sectional view of the mounting means of lower case described in the utility model embodiment；
Fig. 8 is the assembling schematic diagram of lower case and battery modules described in the utility model embodiment.
Description of symbols:
Lower case 10；
Ontology 1；Closed loop space 11；Front side bar 12；Left side side bar 13；Rear portion side bar 14；Right side side bar 15；First installation
Point 16；Second installation point 17；Anchor point 18 is installed；Auxiliary positioning point 19；
Bottom plate 2；
Crossbeam 3；Groove 31；Flange 32；
Head plate 4；Stiffening plate 5；Bush hole 6；Bushing 7；Counterbore 8；Bolt 9；
Battery modules 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.
It as Figure 1-Figure 8, include: ontology 1, bottom plate 2 according to the lower case 10 of the battery pack of the utility model embodiment
With multiple crossbeams 3.Ontology 1 can limit closed loop space 11, and bottom plate 2 can connect in the lower section of ontology 1, and crossbeam 3 can be set
It is set to long column type aluminum profile, multiple crossbeams 3 can be set in closed loop space 11, inner sidewall of multiple crossbeams 3 with ontology 1, bottom
The upper surface of plate 2 connects.
It may include: structural member, battery modules 20, electric component, thermal management assemblies and battery that the whole infantees of battery pack, which is set,
The basis of management system etc., battery pack arrangement is the design scheme of lower case 10, and remaining component needs to carry out according to lower case 10
Arrangement.
Wherein, ontology 1 can provide installation point for battery pack and vehicle installation, and ontology 1 or entire battery pack mention
For support force and security protection, also, after multiple crossbeams 3 and ontology 1 weld together, crossbeam 3 can be the electricity in battery pack
Chi Mo group 20 and electricity piece provide support force, can promote the positional stability of battery modules 20 and electricity piece, also can be electricity
Chi Bao provides side impact support force, the safety of the battery modules 20 and electricity piece inside battery pack can be improved, also, also can
The ability that battery pack resists external pressure is promoted, the deflection of battery pack can be reduced, thereby may be ensured that the work of battery pack
Reliability, meanwhile, it does not need that many brackets are installed on the bottom plate 2 of the application lower case 10, the space in battery pack can be promoted
Utilization rate, so as to install more battery cores in battery pack, so as to promote the energy density of battery pack, in addition,
It is able to ascend the structural strength of lower case 10, can satisfy the intensity requirement of battery pack.
Also, lower case 10 is assembled to battery pack effect picture as shown in figure 8,20 arrangement of battery modules is that left and right is two rows of
Mould group, mould group high-voltage positive electrode plug-in unit, high voltage negative plug-in unit are arranged in the same side, moreover, controlling two rows of mould group plug-in units phase inwardly
Pair and put, water-cooled plate assembly (including water-cooled plate, thermal insulation board, heat conductive pad) position and battery modules 20 are arranged relatively, copper bar,
Harness, water pipe are all disposed among the two rows of battery modules 20 in left and right, and setting in this way can reduce copper bar, harness, water pipe and walk line-spacing
From, placement operations can be made fairly simple, so as to reduce the use of locating piece, if battery pack occur side impact, can drop
The danger such as low harness short circuit, water pipe leakage.
In addition, the harness in the place of narrow space can be set to flat structure, also, battery pack in battery pack
The harness in the interior biggish place in space may be set to be flat structure, harness can be fixed on battery pack by buckling
It is interior, wherein restriction of the battery pack inner space to the trend of harness can be effectively reduced using the connection type of flat harness,
So as to reduce design difficulty, meanwhile, harness facilitates fixation, can increase the security reliability of battery pack.
As a result, by the way that multiple crossbeams 3 are arranged, can in battery pack battery modules 20 and electricity piece support force is provided,
The positional stability of battery modules 20 and electricity piece can be promoted, side impact support force can be also provided for battery pack, can be improved
The safety of battery modules 20 and electricity piece inside battery pack, also, also it is able to ascend the energy that battery pack resists external pressure
Power can reduce the deflection of battery pack, thereby may be ensured that the functional reliability of battery pack, meanwhile, the application lower case 10
Bottom plate 2 on do not need that many brackets are installed, the space utilization rate in battery pack can be promoted, so as to promote battery pack
Energy density.
In some embodiments of the utility model, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 8, ontology 1 may include: front
Side bar 12, left side side bar 13, rear portion side bar 14 and right side side bar 15, front side bar 12, left side side bar 13, rear portion side bar 14 and the right side
15 head and the tail of side girders are sequentially connected, and such setting can limit closed loop space 11, so as to complete the assembler of ontology 1
Make.Wherein, rear portion side bar 14 can be made of five simple type chamber aluminum profiles with section, after rear portion side bar 14 is set to vehicle body
On the downside of floor, rear portion side bar 14 can provide installation point for rear mounting bracket.
In some embodiments of the utility model, the section of front side bar 12, left side side bar 13 and right side side bar 15 can
With identical.Wherein, front side bar 12, left side side bar 13 and right side side bar 15 can be the aluminum profile with section, in this way setting energy
It is enough reliably to weld together front side bar 12, left side side bar 13 and right side side bar 15, the structure of lower case 10 can be promoted
Intensity, it is also ensured that the seal request and intensity requirement of lower case 10.
In some embodiments of the utility model, as shown in fig. 1, fig. 2 and fig. 8, lower case 10 can also include: head plate
4, head plate 4 can be set in front side bar 12, and head plate 4 can be set to aluminum casting, head plate 4 can for electrical high-low pressure plug-in unit and
Water pipe head provides mounting hole, it is ensured that being electrically connected between battery pack and vehicle and cooling system connection.
Also, multiple crossbeams 3 are arranged in parallel with front side bar 12, and multiple crossbeams 3 are spaced apart setting, it is understood that
For, two adjacent crossbeams 3 are spaced apart setting, and multiple crossbeams 3 more uniformly can be arranged on a base plate 2 for setting in this way,
Battery modules 20 can be preferably supported, the structural strength of lower case 10 can also be promoted.Meanwhile the upper end of each crossbeam 3 is equal
It can be set fluted 31, multiple grooves 31 are arranged along the front-rear direction face of lower case 10, and multiple grooves 31 and head
Plate 4 is correspondingly arranged, wherein groove 31 can be used for arranging water pipe, harness and copper bar, so as to so that components in battery pack
Arrangement is more regular, meanwhile, it is arranged by groove 31 and 4 face of head plate, battery pack inner conduit, harness and copper bar can be shortened
Arrangement length, so as to further promote space utilization rate in battery pack.
In addition, the both ends of crossbeam 3 can be against on left side side bar 13 and right side side bar 15, act on as follows: crossbeam 3 can be with
Side impact support force is provided for vehicle, the safety of battery modules 20, the upper end of crossbeam 3 can be preferably protected when vehicle side impact occurs
It can be installed for battery modules 20 and installation point is provided, to support fixed battery modules 20.
In some embodiments of the utility model, front side bar 12, left side side bar 13, rear portion side bar 14 and right side side bar
15 upper surface can be set as smooth flat, and such setting can make front side bar 12, left side side bar 13, rear portion side bar 14
It is more smooth with the upper surface of right side side bar 15, it can be lower casing after the upper housing of lower case 10 and battery pack is assembled together
The installation of body 10 and upper housing provides fairing sealing surface, thereby may be ensured that lower case 10 and upper housing being sealingly mounted at one
It rises, and then the sealing performance of battery pack can be promoted.
In some embodiments of the utility model, as depicted in figs. 1 and 2, the lower end of each crossbeam 3 be can be provided with
Flange 32, flange 32 can be set to tabular, and crossbeam 3 can be set on the center line of flange 32, wherein set crossbeam 3
It is set to tabular, flange 32 can be made preferably to be assembled together with bottom plate 2, crossbeam 3 can be promoted and the assembly of bottom plate 2 is strong
Degree, also, flange 32 can be used for installation water-cooled plate assembly.
In some embodiments of the utility model, as shown in figure 3, in the short transverse of ontology 1, the lower end of crossbeam 3
Higher than the lower end height of ontology 1, and the lower end of crossbeam 3 is not higher than the upper end level of ontology 1, and such setting can make ontology 1
Bottom and crossbeam 3 bottom there are difference in height, height space can be reserved for mounting base 2, so as to realize installation bottom
The work purpose of plate 2.Also, bottom plate 2 does not provide inside battery part support force, and bottom plate 2 mainly provides battery bottom ball and hits protection,
And guarantee whole packet leakproofness, so bottom plate 2 is blocked up without designing.
In some embodiments of the utility model, as shown in Figures 2 and 3, lower case 10 can also include: stiffening plate 5,
Stiffening plate 5 can be set in the lower surface of bottom plate 2, and stiffening plate 5 is arranged along the front-rear direction of ontology 1.Wherein, stiffening plate 5 can be with
It is set as long column type aluminum profile, the both ends of stiffening plate 5 are against on front side bar 12 and rear portion side bar 14, and setting in this way can be reinforced
Whole packet intensity can provide support force to battery pack, can also play the role of protecting bottom plate 2, also, stiffening plate 5 can root
According to strength demand design section and thickness.
In some embodiments of the utility model, front side bar 12, left side side bar 13 and right side side bar 15 can be set
It is equipped with the first installation point 16, the second installation point 17 has can be set in rear portion side bar 14.Wherein, left side side bar 13 and right side side bar 15
On the first installation point 16 connect with body sill beam, the first installation point 16 on front side bar 12 is connect with subframe, rear portion
The second installation point 17 on side bar 14 can be connect with joist after vehicle body, and such setting can guarantee that battery pack and vehicle are installed
Intensity also can simplify installation step.
In some embodiments of the utility model, installation anchor point 18, right side side bar has been can be set in left side side bar 13
15 can be set auxiliary positioning point 19.Wherein, installation anchor point 18 can be set to circular hole, and auxiliary positioning point 19 can be set
For slotted hole, front side bar 12, left side side bar 13, right side side bar 15, rear portion side bar 14 and the specific mounting means of vehicle body are such as schemed
Shown in 5- Fig. 7,10 side bar of lower case and vehicle body installation portion are divided into two stratotype chamber aluminum profiles, and the top surface of side bar is opened bush hole 6 and is used to
Bushing 7 is installed, bushing 7 can guarantee intensity requirement when installation, side bar can be prevented to be extruded modification and failed, also, side bar
Bottom surface can open counterbore 8, and counterbore 8 is for installing bolt 9, and setting can sink to edge-beam section steel for 9, bolt in this way, so as to
It avoids the naked leakage of bolt 9 outside, and then 9 terrain clearance of bolt can be reduced.
In addition, the side bar of lower case 10 can also be disposed as the aluminum profile in same section.
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 lower case of battery pack (10) characterized by comprising
Ontology (1), the ontology (1) limit closed loop space (11)；
Bottom plate (2), the bottom plate (2) are connected to the lower section of the ontology (1)；
Multiple crossbeams (3), multiple crossbeams (3) are set in the closed loop space (11), multiple crossbeams (3) with it is described
The upper surface connection of the inner sidewall, the bottom plate (2) of ontology (1).
2. the lower case (10) of battery pack according to claim 1, which is characterized in that ontology (1) includes: front side bar
(12), left side side bar (13), rear portion side bar (14) and right side side bar (15), the front side bar (12), the left side side bar
(13), the rear portion side bar (14) and the right side side bar (15) are sequentially connected from beginning to end to limit the closed loop space (11).
3. the lower case (10) of battery pack according to claim 2, which is characterized in that the front side bar (12), described
Left side side bar (13) is identical with the section of the right side side bar (15).
4. the lower case (10) of battery pack according to claim 2, which is characterized in that further include: head plate (4), the head
Plate (4) is set to the front side bar (12), and multiple crossbeams (3) and front side bar (12) are parallel and spaced apart, often
The upper end of a crossbeam (3) is provided with groove (31), multiple groove (31) faces and corresponding with the head plate (4).
5. the lower case (10) of battery pack according to claim 2, which is characterized in that the front side bar (12), described
The upper surface of left side side bar (13), the rear portion side bar (14) and the right side side bar (15) is smooth flat.
6. the lower case (10) of battery pack according to claim 4, which is characterized in that the lower end of each crossbeam (3)
It is provided with flange (32).
7. the lower case (10) of battery pack according to claim 1, which is characterized in that in the height side of the ontology (1)
Upwards, the lower end of the crossbeam (3) is higher than the lower end height of the ontology (1), and the lower end of the crossbeam (3) is not higher than described
The upper end level of ontology (1).
8. the lower case (10) of battery pack according to claim 7, which is characterized in that further include: stiffening plate (5), it is described
Stiffening plate (5) is set to the lower surface of the bottom plate (2), and the stiffening plate (5) is arranged along the front-rear direction of the ontology (1).
9. the lower case (10) of battery pack according to claim 2, which is characterized in that the front side bar (12), described
Left side side bar (13) and the right side side bar (15) are provided with the first installation point (16), and the rear portion side bar (14) is provided with
Two installation points (17).
10. the lower case (10) of battery pack according to claim 2, which is characterized in that left side side bar (13) setting
Have installation anchor point (18), the right side side bar (15) is provided with auxiliary positioning point (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268677.XU CN209071470U (en) | 2018-12-29 | 2018-12-29 | The lower case of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268677.XU CN209071470U (en) | 2018-12-29 | 2018-12-29 | The lower case of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209071470U true CN209071470U (en) | 2019-07-05 |
Family
ID=67102350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822268677.XU Active CN209071470U (en) | 2018-12-29 | 2018-12-29 | The lower case of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209071470U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690525A (en) * | 2021-08-03 | 2021-11-23 | 奇瑞新能源汽车股份有限公司 | Battery pack lower shell and battery pack with same |
| WO2021238647A1 (en) * | 2020-05-28 | 2021-12-02 | 比亚迪股份有限公司 | Battery pack case, battery pack, and vehicle |
| WO2023093330A1 (en) * | 2021-11-25 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Battery pack frame, battery pack and vehicle |
| WO2024021066A1 (en) * | 2022-07-29 | 2024-02-01 | 宁德时代新能源科技股份有限公司 | Box body of battery, and battery and electric device |
-
2018
- 2018-12-29 CN CN201822268677.XU patent/CN209071470U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238647A1 (en) * | 2020-05-28 | 2021-12-02 | 比亚迪股份有限公司 | Battery pack case, battery pack, and vehicle |
| CN113809461A (en) * | 2020-05-28 | 2021-12-17 | 比亚迪股份有限公司 | Battery pack shell, battery pack and vehicle |
| CN113809461B (en) * | 2020-05-28 | 2022-12-09 | 比亚迪股份有限公司 | Battery package casing, battery package and vehicle |
| CN113690525A (en) * | 2021-08-03 | 2021-11-23 | 奇瑞新能源汽车股份有限公司 | Battery pack lower shell and battery pack with same |
| CN113690525B (en) * | 2021-08-03 | 2023-06-23 | 奇瑞新能源汽车股份有限公司 | Battery pack lower shell and battery pack with same |
| WO2023093330A1 (en) * | 2021-11-25 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Battery pack frame, battery pack and vehicle |
| WO2024021066A1 (en) * | 2022-07-29 | 2024-02-01 | 宁德时代新能源科技股份有限公司 | Box body of battery, and battery and electric device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209071470U (en) | The lower case of battery pack | |
| CN113548117B (en) | Vehicle body floor assembly and vehicle | |
| CN202797118U (en) | Tiled battery pack mounting bracket | |
| CN112151699B (en) | Battery pack and vehicle | |
| CN216354572U (en) | End plate structure of battery pack and battery pack | |
| CN213768242U (en) | Battery pack of vehicle and vehicle | |
| CN211350780U (en) | Lower shell of power battery pack and power battery pack | |
| CN211629156U (en) | Battery plug-in box and energy storage equipment with same | |
| CN215299384U (en) | Plug connector mounting structure, battery pack lower shell boundary beam and battery pack lower shell | |
| CN215911512U (en) | Upper shell of battery pack and vehicle with same | |
| CN210015884U (en) | Box body of battery box and battery box | |
| CN215731978U (en) | Aluminum-plastic composite battery pack lower shell | |
| CN212209617U (en) | Battery pack | |
| CN211629179U (en) | Battery pack and energy storage device | |
| CN210866270U (en) | Battery module strutting arrangement and vehicle | |
| CN209461509U (en) | Cell end plate and battery modules | |
| CN210805859U (en) | Lower shell of power battery pack and power battery pack | |
| CN114069141A (en) | Die-casting aluminum alloy battery box frame structure for electric automobile and hybrid electric automobile | |
| CN218939795U (en) | Integrated liquid cooling box structure | |
| CN221353081U (en) | Battery box and battery pack | |
| CN211629178U (en) | Battery pack | |
| CN211828900U (en) | Upper casing of battery pack | |
| CN219642987U (en) | No module CTP battery module | |
| CN219191925U (en) | Connector assembly and electric vehicle | |
| CN217598709U (en) | Integrated integrated structure of front floor frame assembly and battery pack and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |