CN112701408A - Bottom plate structure of box body chassis, battery pack and automobile - Google Patents
Bottom plate structure of box body chassis, battery pack and automobile Download PDFInfo
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- CN112701408A CN112701408A CN202011561702.9A CN202011561702A CN112701408A CN 112701408 A CN112701408 A CN 112701408A CN 202011561702 A CN202011561702 A CN 202011561702A CN 112701408 A CN112701408 A CN 112701408A
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- bottom plate
- cross
- beams
- floor
- edges
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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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention relates to the technical field of new energy automobiles, and discloses a bottom plate structure of a box body chassis, the box body chassis, a battery pack and an automobile, wherein the bottom plate structure of the box body chassis comprises a bottom plate (10), two first cross beams (11) and at least one second cross beam (12), the first cross beams and the second cross beams are attached to the front surface of the bottom plate, the bottom plate comprises two first sides and two second sides which are perpendicular to each other, the first cross beams are parallel to the first sides and extend from one second side to the other second side, the second cross beams are parallel to the second sides and extend from one first side to the other first side, the two first cross beams are respectively arranged close to the two first sides, gaps are formed between the two ends of the first cross beams and the two second sides, and gaps are formed between the two ends of the plurality of second cross beams and the two first sides. The application provides a bottom plate structure on box chassis can improve the production efficiency of battery package, reduction in production cost.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a bottom plate structure of a box body chassis, the box body chassis, a battery pack and an automobile.
Background
In new energy automobile's power battery system, the box chassis of battery package is used for bearing battery module and other electrical component, and this part generally adopts welding process concatenation to make, because the welded principle realizes two entity butt fusion integratively each other through high temperature, and the material five metals on box chassis produce deformation very easily under the high temperature condition, if use unqualified box chassis, can influence the holistic mechanical strength of battery package and leakproofness. In the current new energy automobile industry, the battery pack needs to meet the protection level requirement of IP67, so the reliability of the chassis of the box body needs to be improved to meet the current industry requirement.
Disclosure of Invention
The invention aims to solve the problem that a box body chassis of a battery pack in the prior art is unreasonable in design, and provides a bottom plate structure of the box body chassis, the battery pack and an automobile.
In order to achieve the above object, the present invention provides, in one aspect, a floor structure of a cabinet chassis, the floor structure of the cabinet chassis including a floor, two first beams and at least one second beam, the first cross beam and the second cross beam are arranged on the front surface of the bottom plate in an attaching mode, the bottom plate comprises two first edges and two second edges which are perpendicular to each other, said first beam being parallel to said first edges and extending from one of said second edges to the other of said second edges, said second beam being parallel to said second edge and extending from one said first edge to the other said first edge, wherein the two first cross beams are respectively arranged close to the two first edges and have gaps with the first edges, gaps are reserved between two ends of the first cross beam and the two second edges, and gaps are reserved between two ends of the second cross beams and the two first edges.
Through the technical scheme, utilize the bottom plate structure on box chassis that this application provided, the clearance has between the side of first crossbeam and the first edge of bottom plate, the clearance has between the both ends of first crossbeam and the second edge of bottom plate, set up at least one second crossbeam on the bottom plate, the clearance has between the both ends of second crossbeam and the second edge of bottom plate, make when carrying out friction stir welding, friction stir welding soldered connection can move along the edge of bottom plate, thereby will enclose frame and bottom plate welding together, more can adopt mechanical equipment to stir welding, make the welded uniformity good, intensity, leakproofness, each parameter such as precision can both reach the requirement. Utilize the bottom plate structure on box chassis that this application provided, can improve the production efficiency of battery package, reduce the cost of production.
Optionally, a line segment connecting corresponding ends of the two first beams is defined as an end connecting line, the end connecting line is parallel to the first edge, a frame body enclosed by the two end connecting lines and the two first beams is defined as an inner frame body, a region of the bottom plate between the inner frame body and a peripheral edge of the bottom plate is a welding region, and a portion of the bottom plate in the welding region is configured as a step segment.
Optionally, the step section includes a step transverse surface and two step vertical surfaces connected to both ends of the step transverse surface, and the step transverse surface is parallel to the surface of the bottom plate.
Optionally, the step transverse surface and the front surface of the bottom plate and the back surface of the bottom plate are not spaced less than 4mm apart.
Optionally, both ends of the second beam are flush with the sides of the first beam.
A second aspect of the invention provides a box chassis comprising a perimeter frame, padded beams and a floor structure of the box chassis as claimed above, the perimeter frame and the floor being matched to be disposed around the floor, the padded beams being disposed between the ends of the first beam and the perimeter frame and between the ends of the second beam and the perimeter frame.
Optionally, the filler beam is welded between two ends of the first beam and the enclosure frame, and between two ends of the second beam and the enclosure frame.
A third aspect of the invention provides a battery pack comprising a case chassis as described above.
A final aspect of the invention provides an automobile comprising a battery pack as described above.
Drawings
FIG. 1 is a top view of a box chassis according to a preferred embodiment of the present invention, with no filler beams assembled;
FIG. 2 is a top view of the tank chassis of FIG. 1 showing the path of movement of the friction stir weld joint;
FIG. 3 is an exploded view of a cabinet chassis according to a preferred embodiment of the present invention;
FIG. 4 is a top view of a cabinet base according to a preferred embodiment of the present invention;
FIG. 5 is a perspective view of the case base of FIG. 4;
FIG. 6 is a cross-sectional view taken along A-A of FIG. 1;
fig. 7 is an enlarged view at I in fig. 6.
Description of the reference numerals
10. A base plate; 11. a first cross member; 12. a second cross member; 13. connecting the end parts;
21. a step transverse plane; 22. a step vertical surface;
30. enclosing a frame; 31. a front edge beam; 32. a rear edge beam; 33. a left side beam; 34. a right side beam;
40. filling the beam; 50. friction stir welding the welded joint; 60. motion trail
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention provides a bottom plate structure of a box body chassis, which is particularly a box body chassis of a battery pack, as shown in fig. 1, the bottom plate structure of the box body chassis comprises a bottom plate 10, two first cross beams 11 and at least one second cross beam 12, wherein the first cross beams 11 and the second cross beams 12 are attached to the front surface of the bottom plate 10, the bottom plate comprises two first edges and two second edges which are perpendicular to each other, the first cross beams 11 are parallel to the first edges and extend from one second edge to the other second edge, the second cross beams 12 are parallel to the second edges and extend from one first edge to the other first edge, the two first cross beams 11 are respectively arranged close to the two first edges and have gaps with the first edges, and gaps are arranged between the two ends of the first cross beams 11 and the two second edges, a gap is provided between both ends of the plurality of second cross members 12 and both the first sides.
In the structure of fig. 1, a gap is formed between the side surface of the first beam 11 and the first edge of the bottom plate 10, a gap is formed between the two ends of the first beam and the second edge of the bottom plate 10, 3 second beams 12 are arranged on the bottom plate 10, and a gap is formed between the two ends of the second beams 12 and the second edge of the bottom plate 10, so that when friction stir welding is performed, the friction stir welding joint 50 can move along the edge of the bottom plate 10, the enclosure frame 30 and the bottom plate 10 are welded together, and further, mechanical equipment can be used for performing the friction stir welding, so that the welding consistency is good, and various parameters such as strength, sealing performance and precision can meet requirements. The bottom plate structure of the box body chassis provided by the application can improve the production efficiency of the battery pack and reduce the production cost.
The two ends of the second beam 12 are flush with the side edges of the first beam 11, so that the welding head does not touch the second beam 12 protruding out of the first beam 11 when moving between the first beam 11 and the edge of the base plate 10, and the movement stability of the welding head is improved. In addition, the second beam 12 is mainly used for providing a mounting base for each component, and the number of the second beam can be selected according to actual requirements.
In one embodiment of the present application, the gap between the first beam 11 and the first side of the base plate 10 is not less than 25mm, and the gap between both ends of the first beam 11 and the second side of the base plate 10 is not less than 25 mm.
In friction stir welding, the back and front surfaces of the base plate 10 may be sequentially stirred by the welding head, and fig. 2 shows a movement trace 60 of the welding head on the back surface of the base plate 10, where no component is provided on the back surface of the base plate 10, the surface is flat, and the movement of the welding head is not disturbed. In actual operation, the welding head can be firstly welded on the back surface of the base plate 10, and then the welding head can be welded on the front surface of the base plate 10; furthermore, the soldering tips can also be applied to both the rear side and the front side of the base plate 10.
The second aspect of the present application provides a box chassis, the box chassis is including enclosing frame 30, filling beam 40 and as above the bottom plate structure on box chassis, enclose frame 30 with the shape on the periphery of bottom plate 10 matches so as to center on bottom plate 10 sets up, filling beam 40 sets up the both ends of first crossbeam 11 with enclose between the frame 30 and the both ends of second crossbeam 12 with enclose between the frame 30. The enclosure frame 30 comprises a front edge beam 31, a rear edge beam 32, a left edge beam 33 and a right edge beam 34, and the enclosure frame 30 protrudes out of the front surface of the bottom plate 10 so as to form a box body chassis together with the bottom plate 10.
As shown in fig. 3, 4 and 5, the filling beam 40 can fill the gap between the two ends of the first beam 11 and the second edge of the bottom plate 10 and the gap between the second beam 12 and the first edge of the bottom plate 10, so that the structure of the bottom plate of the entire case is completed, and the filling beam can be applied to a battery pack as a component of the battery pack. The filling beam 40 can be arranged at a corresponding position in a welding mode, and after the connection between the bottom plate 10 and the surrounding frame 30 is completed through friction stir welding, the filling beam 40 is welded at the corresponding position through a gas shielded full welding process.
With continued reference to the structure shown in fig. 1, a line segment connecting corresponding ends of the two first beams 11 is defined as an end connecting line 13, the end connecting line 13 is parallel to the first edge, a frame surrounded by the two end connecting lines 13 and the two first beams 11 is defined as an inner frame, a region of the bottom plate 10 between the inner frame and a peripheral edge of the bottom plate is a welding region, and the friction stir welding head 50 moves in the welding region, wherein a portion of the bottom plate 10 located in the welding region is configured as a step segment, thereby facilitating the extension of an end of the welding head.
Specifically, as shown in fig. 6 and 7, the step section includes a step transverse surface 21 and two step vertical surfaces 22 connected to two ends of the step transverse surface, the step transverse surface 21 is parallel to the plate surface of the bottom plate 10, the step vertical surfaces 22 are perpendicular to the plate surface of the bottom plate 10, and the distance between the step transverse surface 21 and the front surface and the back surface of the bottom plate 10 can facilitate the extension of the friction stir welding joint 50, thereby fully playing a stirring role.
As shown in fig. 7, the distance between the front and rear surfaces of the bottom plate 10 is H1, the minimum value of H1 is 8mm, the distance between the step lateral surface 21 and the rear surface of the bottom plate 10 is H2, and the minimum value of H2 is 4 mm. Since the depth of the insertion head of the friction stir weld joint 50 is between 1.5mm and 3.5mm, in the preferred embodiment of the present application, the spacing between the stepped transverse surface 21 and the front and back surfaces of the sole plate 10 is no less than 4mm, thereby avoiding interference with the weld joint.
The application also provides a method for welding a chassis of a box body, which comprises the following steps: moving the welding head 50 on the back of the base plate 10 by using friction stir welding to weld the enclosure frame 30 and the base plate 10 together; then removing the filling beams 40 between the two ends of the first cross beam 11 and the enclosure frame 30 and between the two ends of the second cross beam 12 and the enclosure frame 30; then, the friction stir welding head 50 is used for moving on the front surface of the bottom plate 10 to strengthen the welding connection between the enclosure frame 30 and the bottom plate 10; the filler beams 40 are then welded between the ends of the first beam 11 and the enclosure frame 30 and between the ends of the second beam 12 and the enclosure frame 30. The filler beam 40 may be welded to the bottom plate 10 after the shroud plate 30 and the bottom plate 10 are welded together by a welding head without providing the filler beam 40 on the bottom plate, which further saves the number of processes. In addition, the overall strength of the case can be increased by moving the friction stir weld joint 50 on both the back and front sides of the base plate 10 to meet the IP67 standard.
A further aspect of the present application provides a battery pack including the case chassis as described above. A final aspect of the application provides an automobile comprising a battery pack as described above.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention. Including each of the specific features, are combined in any suitable manner. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (10)
1. The bottom plate structure of the box body chassis is characterized by comprising a bottom plate (10), two first cross beams (11) and at least one second cross beam (12), wherein the first cross beams (11) and the second cross beams (12) are attached to the front surface of the bottom plate (10), the bottom plate (10) comprises two first edges and two second edges which are perpendicular to each other, the first cross beams (11) are parallel to the first edges and extend from one second edge to the other second edge, the second cross beams (12) are parallel to the second edges and extend from one first edge to the other first edge,
the two first cross beams (11) are respectively arranged close to the two first edges and have gaps with the first edges, gaps are formed between the two ends of the first cross beams (11) and the two second edges, and gaps are formed between the two ends of the second cross beams (12) and the two first edges.
2. The floor structure of a box chassis according to claim 1, wherein a line segment connecting corresponding ends of the two first beams (11) is defined as an end connecting line (13), the end connecting line (13) is parallel to the first edge, a frame body enclosed by the two end connecting lines (13) and the two first beams (11) is defined as an inner frame body, a region of the floor (10) between the inner frame body and a peripheral edge of the floor is a welding region, and a portion of the floor located in the welding region is configured as a stepped segment.
3. The floor structure of a box chassis according to claim 2, characterized in that the step section comprises a step cross surface (21) and two step vertical surfaces (22) connected to both ends of the step cross surface, the step cross surface (21) being parallel to the plate surface of the floor (10).
4. Floor structure of a box chassis according to claim 3, characterised in that the distance between the step cross-section (21) and the front side of the floor (10) and the rear side of the floor (10) is not less than 4 mm.
5. Floor structure of a box chassis according to any of claims 1 to 4, characterised in that the two ends of the second beam (12) are flush with the sides of the first beam (11).
6. A box chassis, characterized in that it comprises a surrounding frame (30), a filling beam (40) and the floor structure of the box chassis of any of claims 1-5, the surrounding frame (30) and the floor (10) having a peripheral shape matching to be arranged around the floor (10), the filling beam (40) being arranged between the two ends of the first beam (11) and the surrounding frame (30) and between the two ends of the second beam (12) and the surrounding frame (30).
7. The box chassis according to claim 6, characterized in that the filler beams (40) are welded between the two ends of the first beam (11) and the enclosure frame (30) and between the two ends of the second beam (12) and the enclosure frame (30).
8. A battery pack, characterized in that the battery pack comprises the case base according to claim 6 or 7.
9. An automobile comprising the battery pack of claim 8.
10. A method of welding a tank chassis, the method being for welding the tank chassis of claim 6 or 7, the method comprising:
moving on the back of the bottom plate (10) by using a friction stir welding head (50) to weld the enclosure frame (30) and the bottom plate (10) together;
removing filling beams (40) between two ends of the first cross beam (11) and the enclosure frame (30) and between two ends of the second cross beam (12) and the enclosure frame (30);
moving a friction stir welding head (50) on the front surface of the bottom plate (10) to strengthen the welding connection of the enclosure frame and the bottom plate (10);
and welding the filling beams (40) between the two ends of the first cross beam (11) and the surrounding frame (30) and between the two ends of the second cross beam (12) and the surrounding frame (30).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011561702.9A CN112701408B (en) | 2020-12-25 | 2020-12-25 | Bottom plate structure of box body chassis, battery pack and automobile |
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| CN202011561702.9A CN112701408B (en) | 2020-12-25 | 2020-12-25 | Bottom plate structure of box body chassis, battery pack and automobile |
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| CN112701408A true CN112701408A (en) | 2021-04-23 |
| CN112701408B CN112701408B (en) | 2022-12-09 |
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Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4235394C1 (en) * | 1992-10-21 | 1993-10-14 | Daimler Benz Ag | Drive battery for electric automobile - has individual cells loosely stacked in battery housing with rupture points separating to release cells in response to impact force of accident |
| JP2009087774A (en) * | 2007-09-28 | 2009-04-23 | Mitsubishi Motors Corp | Battery unit |
| US20120121959A1 (en) * | 2010-11-16 | 2012-05-17 | Honda Motor Co., Ltd. | Vehicular battery unit |
| JP2013133044A (en) * | 2011-12-27 | 2013-07-08 | Kobe Steel Ltd | On-vehicle battery tray and on-vehicle battery frame |
| JP2017037755A (en) * | 2015-08-07 | 2017-02-16 | 株式会社デンソー | Battery pack |
| CN207558879U (en) * | 2017-12-05 | 2018-06-29 | 惠州市亿能电子有限公司 | A kind of battery pack babinet |
| CN208173661U (en) * | 2018-05-09 | 2018-11-30 | 上海友升铝业有限公司 | A kind of thinned type commercial vehicle aluminum alloy battery pallet |
| CN109103383A (en) * | 2018-09-06 | 2018-12-28 | 江苏卡耐新能源有限公司 | A kind of power battery pack arrangement and assembly method |
| CN208315640U (en) * | 2018-06-06 | 2019-01-01 | 上汽通用汽车有限公司 | Vehicular dynamic battery pallet and power battery assembly |
| CN109204525A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109686894A (en) * | 2019-03-05 | 2019-04-26 | 爱驰汽车有限公司 | Battery pack |
| CN109768199A (en) * | 2019-01-16 | 2019-05-17 | 广汽新能源汽车有限公司 | The production method of battery involucrum lower case |
| CN109802062A (en) * | 2017-11-17 | 2019-05-24 | 丰田自动车株式会社 | Vehicle battery shell and its manufacturing method |
| US20190181405A1 (en) * | 2017-12-12 | 2019-06-13 | Lg Chem, Ltd. | Battery module including cross beam and battery pack comprising the same |
| CN109878317A (en) * | 2019-01-28 | 2019-06-14 | 合肥工业大学 | The heavy inner framework structure formula power battery pack of tank wall half |
| DE102017130557A1 (en) * | 2017-12-19 | 2019-06-19 | Webasto SE | Housing for receiving battery cells and method for its production |
| CN110165113A (en) * | 2019-01-09 | 2019-08-23 | 比亚迪股份有限公司 | Power battery pack and electric vehicle |
| US20190283562A1 (en) * | 2018-03-19 | 2019-09-19 | Muhr Und Bender Kg | Housing assembly for electrical storage |
| WO2019185023A1 (en) * | 2018-03-30 | 2019-10-03 | 比亚迪股份有限公司 | Vehicle body structure and automobile |
| CN110323385A (en) * | 2019-07-08 | 2019-10-11 | 北京新能源汽车股份有限公司 | Battery modules, battery pack and vehicle |
| CN209691808U (en) * | 2019-03-13 | 2019-11-26 | 苏州同捷汽车工程技术股份有限公司 | Lightweight water-cooled cells lodge body, battery pack and automobile |
| CN110828728A (en) * | 2019-10-25 | 2020-02-21 | 广汽新能源汽车有限公司 | Frame structure, battery shell and assembling method thereof |
| CN210136915U (en) * | 2019-07-08 | 2020-03-10 | 北京新能源汽车股份有限公司 | Battery pack and vehicle with same |
| CN110994068A (en) * | 2019-11-28 | 2020-04-10 | 重庆长安新能源汽车科技有限公司 | Integrated power battery cooling structure and power battery |
| CN210723119U (en) * | 2019-06-12 | 2020-06-09 | 宝能(广州)汽车研究院有限公司 | Battery pack tray and battery pack |
| CN210744032U (en) * | 2019-11-11 | 2020-06-12 | 江西远东电池有限公司 | New energy battery package box |
| CN111341955A (en) * | 2018-12-18 | 2020-06-26 | 丰田自动车株式会社 | Battery case structure for vehicle |
| CN111525213A (en) * | 2020-05-08 | 2020-08-11 | 东风汽车有限公司 | A casing, power battery package for power battery |
| CN111682137A (en) * | 2020-06-18 | 2020-09-18 | 重庆长安新能源汽车科技有限公司 | Aluminum alloy power battery box structure |
| CN211556079U (en) * | 2020-03-26 | 2020-09-22 | 孚能科技(赣州)股份有限公司 | Crossbeam, battery system case and electric automobile |
| CN211641861U (en) * | 2019-11-29 | 2020-10-09 | 广汽新能源汽车有限公司 | Bottom plate structure and lower shell |
-
2020
- 2020-12-25 CN CN202011561702.9A patent/CN112701408B/en active Active
Patent Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4235394C1 (en) * | 1992-10-21 | 1993-10-14 | Daimler Benz Ag | Drive battery for electric automobile - has individual cells loosely stacked in battery housing with rupture points separating to release cells in response to impact force of accident |
| JP2009087774A (en) * | 2007-09-28 | 2009-04-23 | Mitsubishi Motors Corp | Battery unit |
| US20120121959A1 (en) * | 2010-11-16 | 2012-05-17 | Honda Motor Co., Ltd. | Vehicular battery unit |
| JP2013133044A (en) * | 2011-12-27 | 2013-07-08 | Kobe Steel Ltd | On-vehicle battery tray and on-vehicle battery frame |
| JP2017037755A (en) * | 2015-08-07 | 2017-02-16 | 株式会社デンソー | Battery pack |
| CN109204525A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109802062A (en) * | 2017-11-17 | 2019-05-24 | 丰田自动车株式会社 | Vehicle battery shell and its manufacturing method |
| CN207558879U (en) * | 2017-12-05 | 2018-06-29 | 惠州市亿能电子有限公司 | A kind of battery pack babinet |
| US20190181405A1 (en) * | 2017-12-12 | 2019-06-13 | Lg Chem, Ltd. | Battery module including cross beam and battery pack comprising the same |
| DE102017130557A1 (en) * | 2017-12-19 | 2019-06-19 | Webasto SE | Housing for receiving battery cells and method for its production |
| US20190283562A1 (en) * | 2018-03-19 | 2019-09-19 | Muhr Und Bender Kg | Housing assembly for electrical storage |
| WO2019185023A1 (en) * | 2018-03-30 | 2019-10-03 | 比亚迪股份有限公司 | Vehicle body structure and automobile |
| CN208173661U (en) * | 2018-05-09 | 2018-11-30 | 上海友升铝业有限公司 | A kind of thinned type commercial vehicle aluminum alloy battery pallet |
| CN208315640U (en) * | 2018-06-06 | 2019-01-01 | 上汽通用汽车有限公司 | Vehicular dynamic battery pallet and power battery assembly |
| CN109103383A (en) * | 2018-09-06 | 2018-12-28 | 江苏卡耐新能源有限公司 | A kind of power battery pack arrangement and assembly method |
| CN111341955A (en) * | 2018-12-18 | 2020-06-26 | 丰田自动车株式会社 | Battery case structure for vehicle |
| CN110165113A (en) * | 2019-01-09 | 2019-08-23 | 比亚迪股份有限公司 | Power battery pack and electric vehicle |
| CN109768199A (en) * | 2019-01-16 | 2019-05-17 | 广汽新能源汽车有限公司 | The production method of battery involucrum lower case |
| CN109878317A (en) * | 2019-01-28 | 2019-06-14 | 合肥工业大学 | The heavy inner framework structure formula power battery pack of tank wall half |
| CN109686894A (en) * | 2019-03-05 | 2019-04-26 | 爱驰汽车有限公司 | Battery pack |
| CN209691808U (en) * | 2019-03-13 | 2019-11-26 | 苏州同捷汽车工程技术股份有限公司 | Lightweight water-cooled cells lodge body, battery pack and automobile |
| CN210723119U (en) * | 2019-06-12 | 2020-06-09 | 宝能(广州)汽车研究院有限公司 | Battery pack tray and battery pack |
| CN110323385A (en) * | 2019-07-08 | 2019-10-11 | 北京新能源汽车股份有限公司 | Battery modules, battery pack and vehicle |
| CN210136915U (en) * | 2019-07-08 | 2020-03-10 | 北京新能源汽车股份有限公司 | Battery pack and vehicle with same |
| CN110828728A (en) * | 2019-10-25 | 2020-02-21 | 广汽新能源汽车有限公司 | Frame structure, battery shell and assembling method thereof |
| CN210744032U (en) * | 2019-11-11 | 2020-06-12 | 江西远东电池有限公司 | New energy battery package box |
| CN110994068A (en) * | 2019-11-28 | 2020-04-10 | 重庆长安新能源汽车科技有限公司 | Integrated power battery cooling structure and power battery |
| CN211641861U (en) * | 2019-11-29 | 2020-10-09 | 广汽新能源汽车有限公司 | Bottom plate structure and lower shell |
| CN211556079U (en) * | 2020-03-26 | 2020-09-22 | 孚能科技(赣州)股份有限公司 | Crossbeam, battery system case and electric automobile |
| CN111525213A (en) * | 2020-05-08 | 2020-08-11 | 东风汽车有限公司 | A casing, power battery package for power battery |
| CN111682137A (en) * | 2020-06-18 | 2020-09-18 | 重庆长安新能源汽车科技有限公司 | Aluminum alloy power battery box structure |
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| CN112701408B (en) | 2022-12-09 |
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