CN207425965U - A kind of battery pack housing - Google Patents
A kind of battery pack housing Download PDFInfo
- Publication number
- CN207425965U CN207425965U CN201721416757.4U CN201721416757U CN207425965U CN 207425965 U CN207425965 U CN 207425965U CN 201721416757 U CN201721416757 U CN 201721416757U CN 207425965 U CN207425965 U CN 207425965U
- Authority
- CN
- China
- Prior art keywords
- lower housing
- battery pack
- housing
- supporting beam
- module mounting
- 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 battery pack housing, using metal plate entirety punch forming, can ensure the reliability and security of mounting structure.The battery pack housing of the utility model includes the upper shell and lower housing that upper and lower covers are closed, the module mounting rail of battery pack is connected on the inside of the bottom surface of the lower housing, supporting beam is connected on the outside of bottom surface, using sheet metal component entirety punch forming, the supporting beam, the bottom surface of the lower housing and the module mounting rail are connected after being bonded successively from the bottom to top using spot welding for the upper shell, the lower housing, the module mounting rail and the supporting beam.Upper shell and lower housing have deeper vertical drawing depth, disclosure satisfy that installation requirements using sheet metal component entirety punch forming；Supporting beam, the bottom surface of lower housing and module mounting rail are connected using three layers of spot welding, and the active force of module installing plate can directly be transferred to supporting beam, avoid the load of module excessive and damage lower housing.
Description
Technical field
The utility model is related to electric vehicle engineering field, more particularly to a kind of battery pack housing.
Background technology
To ensure the security of battery pack and vehicle, battery pack housing must pass through the GB/T 31467.3 of national regulation
《Power vehicle lithium ion power storage battery bag and system》Requirement and test method on security, wherein, battery involucrum
Body must is fulfilled for requiring as follows：(1) requirement of mechanical strength:Casing rigidity meets related request (vibration, the punching of GBT 31467.3
It hits, fall, overturn, collide, squeeze)；(2) IP requirements:Housing meets IP67 requirements；(3) requirement for anticorrosion:Meet GBT
The requirement of 7.11 salt fogs in 31467.3.
However, battery pack housing of the prior art is difficult to meet above-mentioned requirements, therefore, there is an urgent need for design a kind of battery involucrum
Body, to meet the security requirement of national regulation.
Utility model content
The purpose of this utility model is to provide a kind of battery pack housing, using metal plate entirety punch forming, can ensure to pacify
The reliability and security of assembling structure.
To achieve the above object, the utility model provides a kind of battery pack housing, including upper and lower covers close upper shell and
Lower housing is connected with the module mounting rail of battery pack on the inside of the bottom surface of the lower housing, supporting beam is connected on the outside of bottom surface,
The upper shell, the lower housing, the module mounting rail and the supporting beam are described using sheet metal component entirety punch forming
Supporting beam, the bottom surface of the lower housing and the module mounting rail are connected after being bonded successively from the bottom to top using spot welding.
The battery pack housing of the utility model, upper shell and lower housing are this whole using sheet metal component entirety punch forming
The stamping forming mode of body can cause upper shell and lower housing to have deeper vertical drawing depth, and then in vertical direction shape
Into enough installation spaces, to meet the needs of battery pack is for vertical installation space.At the same time, battery pack housing is additionally provided with
Module mounting rail and supporting beam, module mounting rail are used to implement the module installation of battery pack, and supporting beam is supported in the bottom of lower housing
Face improves the intensity of lower housing；Especially, supporting beam, the bottom surface of lower housing and module mounting rail paste successively from the bottom to top
It closes, then this three-decker is connected using spot welding, at this point, the active force of module installing plate can directly be transferred to supporting beam,
The auxiliary that module is realized by supporting beam carries, and then avoids the load of module excessive and damage lower housing, extends battery
The service life of pack housing so that battery pack housing is more reliable.Furthermore supporting beam and module mounting rail are also whole using sheet metal component
Body punch forming, intensity is high, light-weight, can preferably meet the use demand of battery pack housing.
Optionally, at least one side in the left and right sides of the module mounting rail is arranged in corrugated prolong in front-rear direction
The installation side stretched, the module mounting rail is with bottom surface and the supporting beam of the trough of the installation side with the lower housing
Spot welding connects.
Optionally, at least one side in the left and right sides of the supporting beam is arranged in front-rear direction in corrugated extension
Support side edge, the supporting beam is with the trough of the bottom surface and the installation side of the wave crest of the support side edge and the lower housing
Spot welding connects.
Optionally, the bottom surface of the lower housing is being in phase with the installation side and the corresponding position of the support side edge
The corrugated setting answered, so that the support side edge, the bottom surface of the lower housing and the installation side are in corrugated ripple
Peak is connected with the equal spot welding of trough.
Optionally, the collision prevention girders being welded on the outside of the side of the lower housing are further included, the collision prevention girders use sheet metal component
Whole punch forming.
Optionally, the upper shell and/or the lower housing are equipped with the mounting hole of electric appliance plug connector and water-cooling joint.
Optionally, after each welding point of the battery pack housing completes welding, the battery pack housing is carried out whole
Electrophoretic process, thickness >=20 μm of electrophoretic paint.
Optionally, the battery pack housing includes four or more the module mounting rails being spaced apart from left to right, until
Few two module mounting rails are connected as one and form forepart module installed part, at least two module mounting rail connections
It is integrated and forms rear portion module installed part, the forepart module installed part and the rear portion module installed part are connected to institute
State the rear and front end of the inside of the bottom surface of lower housing.
Optionally, the vertical drawing depth of the upper shell and the lower housing is all higher than or equal to 120mm, and it is described on
The thickness of material selected by housing is less than the thickness of material selected by the lower housing.
Description of the drawings
Fig. 1 provides a kind of top view of the battery pack housing in specific embodiment by the utility model；
Fig. 2 is that battery pack housing shown in Fig. 1 dismantles the dimensional structure diagram after upper shell；
Fig. 3 is a kind of dimensional structure diagram of set-up mode of lower housing of battery pack housing shown in Fig. 1；
Fig. 4 is a kind of dimensional structure diagram of set-up mode of module mounting rail in battery pack housing shown in Fig. 1；
Fig. 5 is a kind of dimensional structure diagram of set-up mode of supporting beam in battery pack housing shown in Fig. 1；
Fig. 6 is lower housing and module mounting rail, the spot welding position sectional view of supporting beam in battery pack housing shown in Fig. 1.
In Fig. 1-Fig. 6：
Upper shell 1, lower housing 2, lower housing ripple 21, module mounting rail 3, installation side 31, supporting beam 4, side 41,
Collision prevention girders 5, forepart module installed part 6, rear portion module installed part 7, installation structural member 8.
Specific embodiment
The utility model provides a kind of battery pack housing, using metal plate entirety punch forming, can ensure mounting structure
Reliability and security.
Below in conjunction with attached drawing, the utility model is specifically introduced, so as to this reality of those skilled in the art's accurate understanding
With new technical solution.
The orientation such as upper and lower, left and right as described herein are using the normal operating condition of battery pack housing as reference, battery pack housing
Electric vehicle is installed on when in use, using the travel direction of electric vehicle before, after being with preceding opposite direction；In horizontal plane
It is interior, it is left and right directions perpendicular to front and rear direction, is seen along the travel direction of electric vehicle, the direction in left-hand side is a left side, is located
It is right in the direction of right-hand side；, as vertical direction, in the up-down direction, to be perpendicularly oriented to the side on ground perpendicular to the direction on ground
To under, the vertical direction for deviating from ground is upper.For ease of description, vertical direction is defined as Z-direction.Longitudinal direction as described herein is
Corresponding front-rear direction, laterally corresponds to left and right directions.
As depicted in figs. 1 and 2, the battery pack housing of the utility model includes the upper shell 1 being connected with each other and lower housing 2,
Wherein, lower housing 2 is used as main stress structure, and the lid of upper shell 1 is closed on lower housing 2, and upper shell 1 and lower housing 2 surround use jointly
In the accommodating chamber for the module for accommodating battery pack, that is to say, that battery pack was actually installed in units of module, module
It is connected or is composed in parallel by multiple batteries, be the critical piece that electric energy is provided for automobile.
In the utility model, lower housing 2 is equipped with module mounting rail 3, is used to implement the installation of module, the module mounting rail 3
The inside of the bottom surface of lower housing 2 is connected to, so that module is installed in the accommodating chamber inside lower housing 2；The bottom surface of lower housing 2
Outside be also associated with supporting beam 4, which is supported lower housing 2, to improve the intensity of lower housing 2, such as Fig. 5
Shown in Fig. 6.
Specifically, can be successively bonded from the bottom to top with supporting beam 4, the bottom surface of lower housing 2 and module mounting rail 3, then
It is connected using three layers of spot welding, supporting beam 4, lower housing 2 and module mounting rail 3 is connected as one.Those skilled in the art can be with
Selection selects multiple welding points to carry out spot welding, to improve the connection reliability of supporting beam 4, lower housing 2 and module mounting rail 3.
The battery pack housing of the utility model, upper shell 1, lower housing 2, module mounting rail 3 and supporting beam 4 use metal plate
Golden part entirety punch forming.
At this point, when module mounting rail 3 and supporting beam 4 are using above-mentioned sheet metal component entirety punch forming, can effectively take into account strong
Degree and light-weighted demand, are also easy to process, simplify processing technology.It is understood that when module mounting rail 3 and supporting beam
4 when being single-spar construction, may be employed a sheet metal component entirety punch forming, and when appointing in module mounting rail 3 and supporting beam 4
When one includes two or more beams, a sheet metal component entirety punch forming may be employed in each beam, then again will be each
Beam forms required module mounting rail 3 and supporting beam 4 using the combination of the connection modes such as welding.
Wherein, upper shell 1 and lower housing 2 will surround the accommodating chamber of battery pack, since the Z-direction size of battery pack is larger, on
Housing 1 and lower housing 2 require enough Z-direction drawing depths, during using whole Sheet Metal Forming Technology, can meet 1 He of upper shell
Lower housing 2 is for the larger demand of Z-direction drawing depth.
Meanwhile upper shell 1 and lower housing 2 can select the preferable material DC06 of drawability.It is not in view of upper shell 1
Supporting part and lower housing 2 are supporting part, and the thickness of material selected by upper shell 1 can be 0.8mm, material selected by lower housing 2
Thickness can be 1mm, i.e., selected by upper shell 1 thickness of material less than material selected by lower housing 2 thickness.Due to battery
The size of pack housing is larger, and drawing depth is deeper, through Multi-step forming industrial analysis, and optimizing structure design so that material and knot
Structure meets moulding process requirement, and the analysis of material influx and reduction can be specifically carried out to upper shell 1 and lower housing 2.
On drawing depth, the vertical drawing depth of upper shell 1 and lower housing 2 can be with >=120mm.
As shown in Figures 2 and 3, lower housing 2 is specifically as follows substantially square box-like structure, the box-like structure
Upper end opening, upper shell 1 are to cover the opening closed in 2 upper end of lower housing；As seen from Figure 3, the lower housing 2 is more thin,
Therefore, the utility model sets module mounting rail 3 in the inside of the bottom surface of lower housing 2, is used to implement the peace of the module of battery pack
Dress；Supporting beam 4 is set in the outside of the bottom surface of lower housing 2, to realize the Auxiliary support to lower housing 2.On this basis, this reality
It can also include being welded in the collision prevention girders 5 on the outside of the side of lower housing 2 with new, which is also integrally rushed using sheet metal component
It is molded, as shown in Fig. 2.Collision prevention girders 5 can be connected to the left side and/or right side of lower housing 2, and welding specifically may be employed
Connection mode.It when collision prevention girders 5 are using sheet metal component entirety punch forming, is not only convenient for processing, also there is higher intensity, it can be right
Lower housing 2 is effectively protected, and improves the crashworthiness of lower housing 2, lower housing 2 can also be aided in pass through vibration test.
Those skilled in the art can also be as needed, and collision prevention girders 5, the collision prevention girders of rear end are set in the rear end of lower housing 2
5 generally U-shaped can be set, and are then connected as one with collision prevention girders 5 of the U-shaped both sides respectively with left side and right side, formation is enclosed
The side bar body of 2 periphery of lower housing is around in, effectively lower housing 2 is protected, while 2 intensity of lower housing is improved, may be used also
To avoid the damage to lower housing 2 such as side collision.
It is understood that when collision prevention girders 5 include two or more beams, it is whole that a sheet metal component may be employed in single beam
Then these beams are combined to form required collision prevention girders 5 by body punch forming using connection modes such as welding.
It will also be appreciated that due to the other structures part of battery pack housing, such as collision prevention girders 5, supporting beam 4 based on by
Power component, stress is larger, higher to the performance requirement of material, it is contemplated that the intensity requirement and light-weight design of battery pack housing,
The B340/590DP that the material of these other structures parts can select intensity higher, through CAE simulation calculations, which, which meets, sets
Meter requirement.
Design on collision prevention girders 5, it is contemplated that housing is in side impact, extruding, vibration, it is necessary to which housing has enough machinery by force
Degree, therefore collision prevention girders 5 can be set in the both sides of lower housing 2 and rear end, strength support is provided for lower housing 2, also, in a left side
The collision prevention girders 5 of right both sides can improve the side impact security of vehicle.
Collision prevention girders 5 in the left and right sides and rear end can set installation structural member 8, be used to implement vertical with car body
The connection of beam can also set reinforcing beam in the outside of the side of lower housing 2, and the side for being used to implement lower housing 2 is strengthened, this
When, lower housing 2 can be welded to each other with module mounting rail 3, collision prevention girders 5 and reinforcing beam, and then the formula structure that links into an integrated entity, full
The use demand of sufficient battery pack housing.
As shown in figure 4, module mounting rail 3 can be the structure type that veneer fries shape, in the left and right of the module mounting rail 3 two
At least one side in side could be provided as corrugated installation side 31, which can extend in front-rear direction；This
When, which is bonded with installing the trough of side 31 with the bottom surface of lower housing 2 and supporting beam 4, then carries out spot welding company
It connects.
As shown in figure 5, supporting beam 4 may be set to be the structure type of veneer shape, at least one side in the left and right sides
It could be provided as the support side edge 41 in corrugated extension in front-rear direction；At this point, supporting beam 4 is with the ripple of the support side edge 41
Peak is bonded with the bottom surface of lower housing 2 and the trough of installation side 31, then carries out spot welding connection.
As shown in Figure 3 and Figure 6, the bottom surface of lower housing 2 is with installing 41 corresponding position of side 31 and support side edge
Can be in corresponding corrugated setting, as shown in figure 3, first housing 2 forms lower housing ripple 21 in its bottom surface；At this point, support-side
Side 41, the lower housing ripple 21 of 2 bottom surface of lower housing and installation side 31 are in the longitudinal direction in corrugated extension, and three
Ripple it is roughly the same, the position of wave crest and trough is roughly the same, then, three effectively pastes in corrugated wave crest and trough
It closes, so that in the position of each wave crest with trough, equal spot welding connects, as shown in Figure 6.
In the utility model, the side of the bottom surface of lower housing 2, the side of supporting beam 4 and module mounting rail 3 is disposed as
Corrugated structure type, these corrugated structures are rendered as rough ladder section, and at concave surface (corresponding trough) and
The position on convex surface (corresponding wave crest) is bonded, and is then carried out resistance spot welding in joint place, is tested through CAE emulation and vibration test
Card, such structural strength is optimal, ensure that the intrinsic frequency of battery pack housing in more than 50HZ, and has passed through vibration examination
It tests.
In addition, upper shell 1 and/or lower housing 2 can be equipped with the mounting hole of electric appliance plug connector and water-cooling joint, in addition
Hole position need not be opened up for the installation of other component, that is to say, that upper shell 1 and lower housing 2 are molded using plate integrated punching,
Except part electric appliance plug connector and water-cooling joint are needed on upper shell 1 and/or lower housing 2 in addition to perforate, upper shell 1 and lower housing 2
Without other perforates, therefore well ensure the self sealss of battery pack housing.Meanwhile it is used between upper shell 1 and lower housing 2
It is bolted and is sealed with sealing joint strip, ensure that the leakproofness of integrated connection.And above-mentioned electric appliance plug connector and water pipe
Connector band self sealing structure, is installed to the requirement that disclosure satisfy that IP (INGRESS PROTECTION) 67 on battery pack housing.
On the basis of the above, after each welding point of battery pack housing completes welding, battery pack housing is carried out whole
Electrophoretic process, wherein, thickness >=20 μm of electrophoretic paint, at this point, method carries out as defined in the 4.1.11a of standard QC/T 484
720h salt spray tests meet corrosion proof requirement.
In addition, as shown in Fig. 2, battery pack housing can include four or more the module mounting rails being spaced apart from left to right
3, at least two module mounting rails 3 are connected as one, to form forepart module installed part 6；At least two module mounting rails 3 connect
It is integrated, to form rear portion module installed part 7；The forepart module installed part 6 and rear portion module installed part 7 are connected to lower casing
The rear and front end of the inside of the bottom surface of body 2.
In the present embodiment, forepart module installed part 6, rear portion module installed part 7, the collision prevention girders 5 in 2 rear end of lower housing with
And collision prevention girders 5 in 2 side of lower housing etc., it can preferentially be connected with housing in the form of spot welding；It can not be realized in spot welding
In the case of, the form of carbon dioxide gas arc welding may be employed, ensure weld strength, reduce welding fever deformation.
By verification experimental verification, the utility model realizes the processing and forming of large-size sheet metal component entirety punching press, by excellent
Change structure, adjust Sheet Metal Forming Technology, eliminate forming defect, complete the machine-shaping of deep drawn part, form the electricity of meet demand
Pond pack housing.
The intrinsic frequency of the battery pack housing of the utility model reaches 50HZ, respectively along X-axis (transverse direction), Y-axis (longitudinal direction), Z
After when (vertical) vibration 12 of axis is small, structure is intact, and connection is reliable, and electrical property and parameter are met the requirements after experiment, are shaken by national standard
Dynamic test requirement；The structural strength of the utility model is reliable, safe, is squeezed respectively with Y-direction in X direction, squeezes
During power 200KN, battery pack does not occur on fire and explosion phenomenon, is required by national standard squeeze test；Battery pack is tried with complete automobile collision
Destruction is not generated to battery pack after testing, meets complete automobile collision security requirement.
It should be noted that the battery pack housing of the utility model, it, still, should for carrying the battery pack of electric vehicle
This be appreciated that every component similar with the battery pack of electric vehicle can use the utility model battery pack housing into
Row installation, is not limited specifically to the application on electric vehicle.
Battery pack housing is provided the utility model above to be described in detail.Specific case pair used herein
The principle and embodiment of the utility model is set forth, and the explanation of above example is only intended to help to understand that this practicality is new
The core concept of type.It should be pointed out that for those skilled in the art, the utility model principle is not being departed from
On the premise of, can also to the utility model, some improvement and modification can also be carried out, these improvement and modification also fall into the utility model
In scope of the claims.
Claims (9)
1. a kind of battery pack housing, the upper shell (1) and lower housing (2) closed including upper and lower covers, which is characterized in that the lower housing
(2) the module mounting rail (3) of battery pack is connected on the inside of bottom surface, supporting beam (4), the upper casing are connected on the outside of bottom surface
Body (1), the lower housing (2), the module mounting rail (3) and the supporting beam (4) use sheet metal component entirety punch forming,
The supporting beam (4), the bottom surface of the lower housing (2) and the module mounting rail (3) use after being bonded successively from the bottom to top
Spot welding connects.
2. battery pack housing as described in claim 1, which is characterized in that in the left and right sides of the module mounting rail (3)
At least one side is arranged to the installation side (31) in corrugated extension in front-rear direction, and the module mounting rail (3) is with the peace
The trough of dress side (31) is connected with the bottom surface of the lower housing (2) and the supporting beam (4) spot welding.
3. battery pack housing as claimed in claim 2, which is characterized in that in the left and right sides of the supporting beam (4) at least
One side is arranged to the support side edge (41) in corrugated extension in front-rear direction, and the supporting beam (4) is with the support side edge
(41) wave crest is connected with the trough spot welding of the bottom surface and installation side (31) of the lower housing (2).
4. battery pack housing as claimed in claim 3, which is characterized in that the bottom surface of the lower housing (2) with the installation
Side (31) and the support side edge (41) corresponding position are in corresponding corrugated setting, so as to the support side edge
(41), the bottom surface of the lower housing (2) and installation side (31) connect in corrugated wave crest with the equal spot welding of trough.
5. battery pack housing as described in claim 1, which is characterized in that further include the side for being welded in the lower housing (2)
The collision prevention girders (5) in outside, the collision prevention girders (5) use sheet metal component entirety punch forming.
6. battery pack housing as described in claim 1, which is characterized in that the upper shell (1) and/or the lower housing (2)
Mounting hole equipped with electric appliance plug connector and water-cooling joint.
7. such as claim 1-6 any one of them battery pack housings, which is characterized in that in each welding of the battery pack housing
After point completes welding, whole electrophoretic process, thickness >=20 μm of electrophoretic paint are carried out to the battery pack housing.
8. battery pack housing as claimed in claim 7, which is characterized in that the battery pack housing include more than four by a left side extremely
The module mounting rail (3) of right septum distribution, at least two module mounting rails (3) are connected as one and form forepart mould
Group installed part (6), at least two module mounting rails (3) are connected as one and form rear portion module installed part (7), before described
Before the inside for the bottom surface that portion's module installed part (6) and the rear portion module installed part (7) are connected to the lower housing (2)
Both ends afterwards.
9. battery pack housing as claimed in claim 7, which is characterized in that the upper shell (1) and the lower housing (2) hang down
It is all higher than to drawing depth or equal to 120mm, and the thickness of material selected by the upper shell (1) is less than the lower housing (2)
The thickness of selected material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416757.4U CN207425965U (en) | 2017-10-30 | 2017-10-30 | A kind of battery pack housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416757.4U CN207425965U (en) | 2017-10-30 | 2017-10-30 | A kind of battery pack housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425965U true CN207425965U (en) | 2018-05-29 |
Family
ID=62310187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721416757.4U Active CN207425965U (en) | 2017-10-30 | 2017-10-30 | A kind of battery pack housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207425965U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417751A (en) * | 2018-04-28 | 2018-08-17 | 常州普莱德新能源电池科技有限公司 | A kind of metal plate punching electronic box |
| CN110048050A (en) * | 2019-04-19 | 2019-07-23 | 东风汽车有限公司 | Battery pack |
| CN111725450A (en) * | 2019-03-22 | 2020-09-29 | 丰田自动车株式会社 | Electricity storage device |
-
2017
- 2017-10-30 CN CN201721416757.4U patent/CN207425965U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417751A (en) * | 2018-04-28 | 2018-08-17 | 常州普莱德新能源电池科技有限公司 | A kind of metal plate punching electronic box |
| CN111725450A (en) * | 2019-03-22 | 2020-09-29 | 丰田自动车株式会社 | Electricity storage device |
| CN111725450B (en) * | 2019-03-22 | 2022-11-29 | 丰田自动车株式会社 | Electricity storage device |
| CN110048050A (en) * | 2019-04-19 | 2019-07-23 | 东风汽车有限公司 | Battery pack |
| CN110048050B (en) * | 2019-04-19 | 2022-03-04 | 东风汽车有限公司 | Battery pack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207425965U (en) | A kind of battery pack housing | |
| CN108630843B (en) | Battery pack protection frame and battery pack | |
| CN104795527A (en) | Battery module | |
| CN106098992B (en) | new energy vehicle power battery pack mounting assembly | |
| CN206076324U (en) | Vehicular battery bag lower house structure, battery pack housing and battery bag | |
| CN207425976U (en) | A kind of electric vehicle and its battery pack housing | |
| US20210328300A1 (en) | Battery box and battery module | |
| CN103178292B (en) | Lithium ion battery and assembly method thereof | |
| CN206155129U (en) | Lightweight is battery box for electric motor car | |
| CN104781950A (en) | Leaktight box for alkaline batteries | |
| CN206893662U (en) | Battery lower box and the vehicle for including it | |
| CN213861832U (en) | Battery pack installation frame capable of changing batteries and automobile with battery pack installation frame | |
| CN213124585U (en) | Power battery pack and electric vehicle | |
| CN108011060A (en) | Battery modules and automobile | |
| CN209981295U (en) | Battery module and battery pack | |
| CN209401688U (en) | A kind of battery box body and battery case | |
| JP2018116894A (en) | Battery pack | |
| CN208498217U (en) | Battery modules and battery case | |
| CN210338803U (en) | Inserted block, box and PACK section bar box | |
| CN206312983U (en) | Battery case | |
| CN213366687U (en) | Battery pack box | |
| CN217507546U (en) | Battery box, battery package and vehicle | |
| CN220753645U (en) | Protective plate structure at bottom of power battery package | |
| CN218602225U (en) | Transformer corrugated oil tank with reinforcing structure and protective structure | |
| CN213472759U (en) | Power battery package and electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200924 Address after: 201805 room 1703, No. 888, South Moyu Road, Anting Town, Jiading District, Shanghai Patentee after: NEUSOFT REACH AUTOMOTIVE TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: Hunnan rookie street Shenyang city Liaoning province 110179 No. 2 Patentee before: NEUSOFT Corp. Patentee before: NEUSOFT REACH AUTOMOTIVE TECHNOLOGY (SHANGHAI) Co.,Ltd. |
|
| TR01 | Transfer of patent right |