CN208111531U - A kind of battery case lower tray - Google Patents
A kind of battery case lower tray Download PDFInfo
- Publication number
- CN208111531U CN208111531U CN201820544559.4U CN201820544559U CN208111531U CN 208111531 U CN208111531 U CN 208111531U CN 201820544559 U CN201820544559 U CN 201820544559U CN 208111531 U CN208111531 U CN 208111531U
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- CN
- China
- Prior art keywords
- battery case
- lower tray
- case lower
- bottom plate
- frame
- 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.)
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of battery case lower tray, is related to new-energy automobile field.The battery case lower tray includes bottom plate and frame, the edge of the bottom plate is arranged in the frame, the bottom plate and frame are extrudate and are integrated by agitating friction weldering spelling, the inside of the bottom plate and frame has type chamber, the type is intracavitary to be filled with foam structural adhesive, so as to promote the intensity and rigidity of battery case lower tray, simultaneously, mitigate battery case weight, realizes vehicle lightweight.In addition, the power battery pack lower tray of filling-foam glue can improve the effect of power battery pack insulation.Furthermore foamed glue can realize automation filling, and craftsmanship is high, be convenient for mass production.
Description
Technical field
The utility model relates to new energy car battery field, especially a kind of battery case lower tray.
Background technique
With the development of new-energy automobile and universal, the power battery technology of new-energy automobile also achieves marked improvement.
New energy car battery case lower tray is the main load bearing component of power battery, in the environment that automotive light weight technology demand increasingly increases severely
Under come into being.In the prior art, battery case lower tray mainly includes side bar and chassis.Battery case lower tray is wanted in the design phase
Consider structural strength, the rigidity of product, while being also contemplated that craftsmanship, cost and lightweight requirements.It would generally select at present close
It spends lower metal material (such as aluminium alloy, magnesium alloy ... metal), while considering the wall thickness and section of profile structure
The design of cavity geometry meets lightweight target, but often loses intensity, the rigidity requirement of profile structure part itself.Such as
Battery case lower tray shown in FIG. 1, due to having used profile structure, in order to guarantee the strength and stiffness of battery case lower tray,
Stiffening plate is installed in the bottom surface of battery lower tray, and is fixed by fastener, strong to promote power battery subiculum pan bottom with this
Degree and whole rigidity, but which again increases the quality of battery case lower tray, while complex procedures, cost are also higher.
Utility model content
For in the prior art, using the battery case lower tray of profile structure part there are intensity, poor rigidity, complex process
Technical problem, the utility model provide a kind of battery case lower tray, the battery case lower tray intensity with higher, rigidity,
It can also accomplish more lightweight simultaneously, reduce cost, automation height.
The utility model provides a kind of battery case lower tray, and the battery case lower tray includes bottom plate and frame, described
The edge of the bottom plate is arranged in frame, and the bottom plate and frame are extrusion aluminum-type material and are integrated by agitating friction weldering spelling,
The inside of the bottom plate and frame has type chamber, and the type is intracavitary to be filled with foamed glue.
In some embodiments of the utility model, the bottom plate includes hollow board-like profile, the board-like profile tool
There are top panel, lower panel, partition is connected on the inside of upper and lower panel, forms cavity space between panel and partition.
In some embodiments of the utility model, the bottom plate is formed by least one extrudate, the extrudate
Inside through there is multiple type chambers, the quantity of the type chamber is at least one layer, and the bottom plate formed by multiple extrudates is by stirring
Friction welding (FW) is mixed to be stitched together.
In some embodiments of the utility model, the frame is welded after being spliced by the profile of multistage inner hollow,
The profile includes the cross section of regular shape and the cross section of irregular shape, and the multistage profile welds to form the frame
Back wall is arranged around the edge of the bottom plate, and the head and the tail of the multistage profile carry out welding and form closed loop configuration.
In some embodiments of the utility model, the frame is squeezed by the hollow material formed after assembling or direct pass through
The hollow material of system is spliced to form.
In some embodiments of the utility model, the bottom plate and frame are specifically for metal or including plastics.
In some embodiments of the utility model, the section of the battery case lower tray is concave character type.
In some embodiments of the utility model, the extrudate is equipped with hole for injecting glue, and foamed glue is filled by hole for injecting glue
Into the cavity of profile.
In some embodiments of the utility model, it is provided on the outside of the battery case subiculum Disc border several for fixing
The connecting component of sealing cover, the battery case lower tray and the sealing cover cooperatively form battery accommodating chamber.
In some embodiments of the utility model, the battery case lower tray is provided with to be consolidated for lock battery modules
Determine hole.
In some embodiments of the utility model, the battery case lower tray include be set to the battery case lower tray with
Insulating heat-conductive pad between battery modules.
In some embodiments of the utility model, the foamed glue filled in the cavity of the battery case lower tray includes poly- ammonia
Ester foaming glue.
The utility model provides a kind of battery pack, and the battery pack includes electricity described in any one of above-described embodiment
Pond case lower tray, sealing cover and several battery modules, the battery case lower tray and the sealing cover cooperatively form battery appearance
Receive chamber, the battery modules are installed in the battery accommodating chamber, and the sealing cover is set to the battery modules and battery case
Above lower tray, the sealing cover is mounted on above battery case lower tray by the connecting component.
The utility model provides a kind of electric car, and the electric car includes described in any one of above-described embodiment
Battery case lower tray and battery pack.
By adopting the above technical scheme, battery case lower tray described in the utility model has the advantages that：
1) battery case lower tray described in the utility model passes through the cavity filling-foam glue to profile structure part, Ke Yiti
Rise the strength and stiffness of battery case lower tray；
2) the foamed glue density opposing metallic stiffening plate that battery case lower tray described in the utility model uses is lower, so that
Battery case lower tray more lightweight, cost is less expensive；
3) the utility model enhances the strength and stiffness of battery case lower tray using foamed glue, it can be achieved that automation is filled out
It fills, craftsmanship is high, and cost is lower；
4) the power battery lower tray of the utility model filling-foam glue can improve the effect of power battery pack insulation.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is battery case lower tray sectional view in the prior art described in background technology；
Fig. 2 is battery case lower tray sectional view described in the utility model embodiment；
In figure, 1- battery case lower tray, 2- bottom plate, 3- frame, 4- foamed glue.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.Based on the embodiments of the present invention, ability
Domain those of ordinary skill every other embodiment obtained without making creative work, all should belong to this reality
With novel protected range.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining that this is practical new
Type, and should not be understood as limiting the present invention.
" one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one realization side of the utility model
A particular feature, structure, or characteristic in formula.In the description of the present invention, it should be understood that term " on ", "top",
"bottom", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description this
Utility model and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used
In description purpose, it is not understood to indicate or imply relative importance or implicitly indicates the number of indicated technical characteristic
Amount." first " is defined as a result, the feature of " second " can be expressed or what is implied includes one or more of the features.
Moreover, term " first ", " second " etc. are to be used to distinguish similar objects, without for describing specific sequence or successive time
Sequence.It should be understood that the data used in this way are interchangeable under appropriate circumstances, so as to the implementation of the utility model described herein
Example can be performed in other sequences than those illustrated or described herein.
The utility model is described further with reference to the accompanying drawings and embodiments.
Embodiment 1：
Fig. 2 is the sectional view of the battery case lower tray of the utility model one embodiment.It is practical new to this below with reference to Fig. 2
A kind of battery case lower tray that type provides is described in detail.The utility model provides a kind of battery case lower tray 1, the electricity
Pond case lower tray 1 includes bottom plate 2 and frame 3；The edge of the bottom plate 2 is arranged in the frame 3, and the bottom plate 2 is in multiple
There is the extrusion aluminum-type material of cavity to be spliced to form in portion, wherein forms at least one in each extrusion aluminum-type material, is especially formed more
The cavity in a channel, the multiple extrusion aluminum-type material block form are stitched together by agitating friction weldering, and the block form squeezes
Aluminum profile is "-" type arrangement, and section is tabular.
The frame 3 is welded by the rectangle aluminum profile of multistage inner hollow and is formed.The cross section of the rectangle aluminum profile is
The opening of the rectangle of openings at one side, the multistage rectangle aluminum profile is oppositely arranged.The multistage rectangle profile weld to be formed it is described
Frame back wall is arranged around the edge of the bottom plate 2, and the head and the tail of the multistage rectangle profile carry out welding and form closed loop configuration.
The bottom plate 2 and frame 3 are spelled by agitating friction weldering is formed as one battery case lower tray 1, under the battery case
Foamed glue 4 is filled in the cavity of pallet 1, the foamed glue 4 is polyurethane foam glue.
Further, the extrudate for constituting bottom plate 2 and frame 3 equipped with hole for injecting glue, filled out by hole for injecting glue by foamed glue
It is charged in the cavity of profile.
Further, the section of the battery case lower tray 1 is concave character type, and the outside of the frame 3 is provided with several use
In the connecting component of fixing seal lid, the battery case lower tray 1 and the sealing cover cooperatively form battery accommodating chamber.
Embodiment 2：
The utility model provides a kind of battery case lower tray 1, and the battery case lower tray 1 includes bottom plate 2 and frame 3；
The edge of the bottom plate 2 is arranged in the frame 3, and the bottom plate 2 designs for built-up sectional material, by several structural sandwich member systems
At between several structural sandwich members together by weld bonds, wherein wrapped inside the bottom plate 2 after combination formation
Multiple tortuous or straight line cavity, the edges of the bottom plate 2 are included to be closed by edge profile.
The frame 3 forms the substantially rectangular hollow profile in cross section after being assembled by several extrudates.It is described
Hollow profile forms the frame back wall and is arranged around the edge of the bottom plate 2, and the head and the tail of the hollow profile carry out welding formation
Closed loop configuration.
The bottom plate 2 and frame 3 are spelled by agitating friction weldering is formed as one battery case lower tray 1, under the battery case
Foamed glue 4 is filled in the cavity of pallet 1, the foamed glue 4 is polyurethane foam glue.
Further, the section of the battery case lower tray 1 is concave character type, and the outside of the frame 3 is provided with several use
In the connecting component of fixing seal lid, the battery case lower tray 1 and the sealing cover cooperatively form battery accommodating chamber.
Embodiment 3：
The utility model provides a kind of battery case lower tray 1, and the battery case lower tray 1 includes bottom plate 2 and frame 3；
The edge of the bottom plate 2 is arranged in the frame 3, and the bottom plate 2 is multichannel block profile, and the profile is independent one piece,
The inside of profile includes block form straight line cavity.
The frame 3 is welded by the rectangle profile of multistage inner hollow and is formed.The cross section of the rectangle profile is one side
The opening of the rectangle of opening, the multistage rectangle profile is oppositely arranged.The multistage rectangle profile welds to form the frame after
It is arranged around the edge of the bottom plate 2, the head and the tail of the multistage rectangle profile carry out welding and form closed loop configuration.The rectangle type
Material can form frame of various shapes, the last rectangle profile head and the tail only needed after bending by directly bending in corner
It is welded part.In some embodiments of the utility model, connection of different shapes can also be passed through in the corner of frame
Multiple rectangle profile head and the tail are carried out welding and form closed loop configuration by block.
The bottom plate 2 and frame 3 are spelled by agitating friction weldering is formed as one battery case lower tray 1, under the battery case
Foamed glue 4 is filled in the cavity of pallet 1, the foamed glue 4 is polyurethane foam glue.
Further, the extrudate for constituting bottom plate 2 and frame 3 equipped with hole for injecting glue, filled out by hole for injecting glue by foamed glue
It is charged in the cavity of profile.
Further, the section of the battery case lower tray 1 is concave character type, and the outside of the frame 3 is provided with several use
In the connecting component of fixing seal lid, the battery case lower tray 1 and the sealing cover cooperatively form battery accommodating chamber, the electricity
Chi Mo group is installed in the battery accommodating chamber.
The utility model provides a kind of battery pack, and the battery pack includes battery case subiculum described in above-described embodiment
Disk, sealing cover and several battery modules, the sealing cover is set to above the battery modules and battery case lower tray, described
Sealing cover is mounted on above battery case lower tray by the connecting component.
A kind of electric car is additionally provided in some embodiments of the utility model, the electric car includes above-mentioned reality
Apply battery case lower tray and battery pack described in any one of example.
Specifically, power battery pack lower tray described in the utility model is met gently by choosing the lower profile of density
The requirement of quantization and cost, injects foam structural adhesive additionally by the section cavity of power battery pack lower tray, so that dynamic
The strength and stiffness of power battery pack lower tray are promoted to original 2-3 times, while can also improve power battery pack heat-insulation and heat-preservation effect
Fruit.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. the edge of the bottom plate is arranged in a kind of battery case lower tray, including bottom plate and frame, the frame, feature exists
In:The bottom plate and frame are extrudate and are integrated by agitating friction weldering spelling that the inside of the bottom plate and frame has
Type chamber is filled with foamed glue in the cavity.
2. battery case lower tray according to claim 1, it is characterised in that：The bottom plate includes hollow board-like type
Material, the board-like profile have top panel, lower panel, partition are connected on the inside of upper and lower panel, shape between panel and partition
At cavity space.
3. battery case lower tray according to claim 1, it is characterised in that：The bottom plate is by least one extrudate shape
At through there is multiple type chambers, the quantity of the type chamber is at least one layer for the inside of the extrudate.
4. battery case lower tray according to claim 1, it is characterised in that：The frame by multistage inner hollow profile
It is welded after splicing.
5. battery case lower tray according to claim 4, it is characterised in that：The profile of the multistage inner hollow splices shape
It is arranged at the frame back wall around the edge of the bottom plate.
6. battery case lower tray according to claim 5, it is characterised in that：The multistage inner hollow profile head and the tail into
Row welding forms closed loop configuration.
7. battery case lower tray according to claim 1, it is characterised in that：The section of the battery case lower tray is character cut in bas-relief
Type.
8. battery case lower tray according to claim 1, it is characterised in that：The extrudate is equipped with hole for injecting glue, hair
Bubble glue is filled into the cavity of profile by hole for injecting glue.
9. battery case lower tray according to claim 1, it is characterised in that：It is set on the outside of the battery case subiculum Disc border
Several connecting components for fixing seal lid are equipped with, the battery case lower tray and the sealing cover cooperatively form battery receiving
Chamber.
10. a kind of electric car, it is characterised in that：Including the described in any item battery case lower trays of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820544559.4U CN208111531U (en) | 2018-04-17 | 2018-04-17 | A kind of battery case lower tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820544559.4U CN208111531U (en) | 2018-04-17 | 2018-04-17 | A kind of battery case lower tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208111531U true CN208111531U (en) | 2018-11-16 |
Family
ID=64117827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820544559.4U Active CN208111531U (en) | 2018-04-17 | 2018-04-17 | A kind of battery case lower tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208111531U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774598A (en) * | 2019-11-12 | 2020-02-11 | 广东和胜新能源汽车配件有限公司 | Automatic glue filling device and method for battery tray |
| CN111063843A (en) * | 2019-12-25 | 2020-04-24 | 北京海纳川汽车部件股份有限公司 | Battery box of vehicle and vehicle |
| CN111092178A (en) * | 2019-12-25 | 2020-05-01 | 北京海纳川汽车部件股份有限公司 | Battery box of vehicle and vehicle |
| CN111384314A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN111653701A (en) * | 2020-04-28 | 2020-09-11 | 南京创源动力科技有限公司 | Encapsulating type power battery system |
| CN111653698A (en) * | 2019-12-03 | 2020-09-11 | 摩登汽车有限公司 | Manufacturing method of battery pack box body |
| CN112952275A (en) * | 2021-01-26 | 2021-06-11 | 上海兰钧新能源科技有限公司 | Battery box, battery package and electric motor car |
| CN115295944A (en) * | 2022-08-15 | 2022-11-04 | 浙江米皇新材股份有限公司 | Full tenon, glue joint new energy automobile battery tray battery package lower box |
| WO2023179307A1 (en) * | 2022-03-22 | 2023-09-28 | 宁德时代新能源科技股份有限公司 | Battery case, battery and electric apparatus |
-
2018
- 2018-04-17 CN CN201820544559.4U patent/CN208111531U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384314A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN111384314B (en) * | 2018-12-29 | 2021-01-19 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN110774598A (en) * | 2019-11-12 | 2020-02-11 | 广东和胜新能源汽车配件有限公司 | Automatic glue filling device and method for battery tray |
| CN110774598B (en) * | 2019-11-12 | 2024-02-20 | 广东和胜新能源科技有限公司 | Automatic glue plugging device and glue plugging method for battery tray |
| CN111653698A (en) * | 2019-12-03 | 2020-09-11 | 摩登汽车有限公司 | Manufacturing method of battery pack box body |
| CN111063843A (en) * | 2019-12-25 | 2020-04-24 | 北京海纳川汽车部件股份有限公司 | Battery box of vehicle and vehicle |
| CN111092178A (en) * | 2019-12-25 | 2020-05-01 | 北京海纳川汽车部件股份有限公司 | Battery box of vehicle and vehicle |
| CN111063843B (en) * | 2019-12-25 | 2023-01-24 | 北京海纳川汽车部件股份有限公司 | Battery box of vehicle and vehicle |
| CN111653701A (en) * | 2020-04-28 | 2020-09-11 | 南京创源动力科技有限公司 | Encapsulating type power battery system |
| CN112952275A (en) * | 2021-01-26 | 2021-06-11 | 上海兰钧新能源科技有限公司 | Battery box, battery package and electric motor car |
| WO2023179307A1 (en) * | 2022-03-22 | 2023-09-28 | 宁德时代新能源科技股份有限公司 | Battery case, battery and electric apparatus |
| CN115295944A (en) * | 2022-08-15 | 2022-11-04 | 浙江米皇新材股份有限公司 | Full tenon, glue joint new energy automobile battery tray battery package lower box |
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