CN105291800B - Hybrid vehicle IPU fixed structures - Google Patents
Hybrid vehicle IPU fixed structures Download PDFInfo
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- CN105291800B CN105291800B CN201510757856.8A CN201510757856A CN105291800B CN 105291800 B CN105291800 B CN 105291800B CN 201510757856 A CN201510757856 A CN 201510757856A CN 105291800 B CN105291800 B CN 105291800B
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- ipu
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- lower housing
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Abstract
The present invention discloses a kind of hybrid vehicle IPU fixed structures, including IPU assemblies, it is characterised in that：Further include fixing bracket, the fixing bracket includes the front beam and rear cross beam that both ends are detachably connected on above the left and right side longeron in rear floor, and two vertical tie-beams are fixedly connected between the front beam and rear cross beam；Multiple IPU assemblies fixed frames are equipped at intervals on front beam and rear cross beam, the IPU assemblies fixed frame is located between two vertical tie-beams；The IPU assemblies are connect with the IPU assemblies fixed frame, are placed into and are suspended in the space that the front beam, rear cross beam and two vertical tie-beams surround.The fixed structure of the present invention can be encountered in vehicle to jolt, or even protects the battery from extruding in collision and roll procedure and do not depart from fixed point, reaches safe and reliable effect.
Description
Technical field
The invention belongs to vehicle body parts technical fields, and in particular to a kind of each component of hybrid vehicle IPU and assembly
Fixed structure.
Background technology
Intelligent power control unit, English name：IntelligentPowerUnit is abbreviated as IPU comprising：Power electric
Pond and the parts such as management system, electric machine controller, DC/DC converters and cooling system are that belong to hybrid vehicle peculiar
Parts.It is crowded since automobile body fore-cabin has been disposed with the components such as engine, gearbox and motor, then newly-increased IPU
Assembly is difficult to be arranged into front deck again.For back seat backrest using for fixed three box car, IPU assemblies can fill
It sets at back seat backrest rear.But for the SUV vehicles that back seat backrest can be overturn, IPU assemblies are arranged
Almost unique selection at the rear floor of bottom of luggage case.In view of the radiating of battery, collision and vehicle rollover accident afterwards
The possibility of generation, how IPU assemblies to be fixed on safely at rear floor is the technical barrier faced.
Due to the distinctive structure feature of IPU assembly parts, and the requirement of cooling heat dissipation, IPU assembly frames how are designed
Body structure realizes that the installation of each components of IPU is fixed, also becomes the technical barrier faced at present.
It says that the cooling of battery, electrokinetic cell system are typically integrated in closed battery pack housing again, is convenient for air duct
Design.Hybrid vehicle generally requires multiple battery cell series connection, could meet requirement.Multiple battery cell arrangements
There is larger weight after in groups, the fixed form of suspension type is used for integral battery packet, it is how that battery pack block is firm
Ground is secured together with battery pack housing, and considers installation feasibility, and the technical barrier faced at present.
Invention content
The object of the present invention is to provide a kind of battery packs to fix hybrid power vapour reliable, that radiating efficiency is high, safety is good
Vehicle IPU fixed structures.
In order to achieve the above objectives, the hybrid vehicle IPU fixed structures that the present invention designs, including IPU assemblies, feature
It is：Further include fixing bracket, the fixing bracket includes before both ends are detachably connected on above the left and right side longeron in rear floor
Crossbeam and rear cross beam are fixedly connected with two vertical tie-beams between the front beam and rear cross beam；On front beam and rear cross beam
Multiple IPU assemblies fixed frames are equipped at intervals with, the IPU assemblies fixed frame is located between two vertical tie-beams；The IPU assemblies with
The IPU assemblies fixed frame connection, is placed into and is suspended in the space that the front beam, rear cross beam and two vertical tie-beams surround
It is interior.
Preferably, a mounting bracket is welded at the front beam and rear cross beam both ends, and the mounting bracket is equipped with installation
Two mounting bracket plates being adapted to the mounting bracket, institute are respectively welded in hole, the rear floor left side floors Liang Hehou the right beam top
State the positioning fixing bolt that welding is adapted to the mounting hole on mounting bracket plate.In this way, passing through mounting bracket and mounting bracket
Plate realizes being detachably connected for forward and backward crossbeam and the left and right side longeron in rear floor.
Preferably, the IPU assemblies include lower housing and upper cover plate, and the lower housing is suspended in described preceding horizontal
In the space that beam, rear cross beam and two vertical tie-beams surround, the lower housing and upper cover plate connect with the IPU assemblies fixed frame
It connects；IPU components are equipped in the lower housing, the IPU components include battery pack block, battery management system, high-voltage relay, electricity
Machine controller, DC/DC converters.
Preferably, the lower housing includes the entirety that upper end opening is formed by two blocks of side plates, two pieces of seal plate weldings, the side
Eaves is equipped at the top of plate, the eaves is adapted to connection with the IPU assemblies fixed frame.
It is further preferred that the side plate inner wall is equipped with the first reinforcing beam, first reinforcing beam includes first horizontal portion
With the second horizontal part, the interconnecting piece that is connect respectively with the first horizontal portion and second horizontal part one end end of head and the tail, described the
One horizontal part and the second horizontal position are in the both sides of the interconnecting piece；The first horizontal portion is connect with the eaves, and described second
Horizontal part is connect with lower housing bottom.
Preferably, its periphery is higher than in the middle part of the upper cover plate, multiple longitudinal directions second are equipped at intervals on the inside of the upper cover plate and are added
Brutal.In this way, conducive to the intensity of enhancing upper cover plate.
It is further preferred that second reinforcing beam, lower housing and upper cover plate pass through bolt and the IPU assemblies fixed frame
Connection.
As another preferred embodiment, battery pack block is arranged in two groups by multiple battery cells, two rectangular-shapes of composition
Then battery pack is bolted and is clamped between upper mounted plate and bottom plate；Fixed plate and the lower housing top
Portion connects, and the bottom plate is connect with the lower housing bottom.
Preferably, fixed plate includes the changeover portion of clinch, horizontal part and connection clinch and horizontal part, described
Clinch is higher than the horizontal part.
It is further preferred that the two opposite outers of horizontal part, which are equipped with respectively battery management system, provides fixed point
The first flange, the second flange of fixed point is provided for high-voltage relay.
Preferably, the two opposite outers of the bottom plate be equipped with that respectively battery management system provides fixed point the
Three flange, the 4th flange that fixed point is provided for high-voltage relay.
The beneficial effects of the invention are as follows：The present invention is suspended IPU assemblies to rear floor spare tyre by the similar submode that carries a sedan
Above slot, it is connected on the left and right side longeron in rear floor.Each components of IPU pass through upper and lower fixing plate and the first reinforcing beam organic connections
Get up, then be located among the fixing bracket in groined type, ensure that the fastened point intensity of each components of IPU；In view of lower housing
Side wall vertical bottom face, lower housing is divided into four parts of side plate and sealing plate work, with the craftsmanship that minimum piecemeal is optimal, frame
While meeting IPU each component installations, also meet on vehicle body fixed requires the structure design of body；Pass through battery pack block
Upper and lower fixing plate connects on the eaves of battery pack lower housing and the first reinforcing beam bottom end, and battery pack block is clamped securely to mutually
Between associated first reinforcing beam and upper and lower fixing plate, while battery management system, high-voltage relay are also fixed on battery pack
The left and right sides of block forms a kind of reliable and stable battery pack block fixed structure, can meet local strength and require and rear collision process
In to the protection of battery requirement.The fixed structure of the present invention can be encountered in vehicle to jolt, or even is protected in collision and roll procedure
Battery is not compact and does not depart from fixed point, reaches safe and reliable effect.
Description of the drawings
Fig. 1 is IPU assemblies mounting structure schematic diagram on vehicle body of the present invention
Fig. 2 is the structural schematic diagram of mounting bracket plate of the present invention
Fig. 3 is the support bracket fastened structural schematic diagram of the present invention
Fig. 4 is IPU assembly shells structural schematic diagram of the present invention
Fig. 5 is the mounting structure schematic diagram of IPU assemblies of the present invention
Fig. 6 is that structural schematic diagram is shown in the explosion of IPU assembly shells of the present invention
Fig. 7 is the structural schematic diagram of side plate of the present invention
Fig. 8 is the structural schematic diagram of sealing plate of the present invention
Fig. 9 is the structural schematic diagram of upper cover plate of the present invention
Figure 10 is the section structure diagram after the present invention is completed
Figure 11 is the structural schematic diagram of upper mounted plate of the present invention
Figure 12 is the structural schematic diagram of bottom plate of the present invention
Specific implementation mode
Below by Fig. 1~Figure 12 and the mode for some alternative embodiments for enumerating the present invention, to the technology of the present invention
Scheme (including optimal technical scheme) is described in further detail, any technical characteristic in the present embodiment and any technology
Scheme does not limit the scope of the invention.
As shown in Figure 1 to Figure 3, the hybrid vehicle IPU fixed structures that the present invention designs, including IPU assemblies 1, fixation
Holder 2, the fixing bracket 2 include that both ends are detachably connected on 4 top of longeron on the right of rear floor left side longeron 3 and rear floor
Front beam 2.1 and rear cross beam 2.2 are fixedly connected with two vertical tie-beams 2.3 between the front beam 2.1 and rear cross beam 2.2；Preceding
Multiple IPU assemblies fixed frames 2.4 are equipped at intervals on crossbeam 2.1 and rear cross beam 2.2, the IPU assemblies fixed frame 2.4 is located at two
Root is indulged between tie-beam 2.3；The IPU assemblies 1 are connect with the IPU assemblies fixed frame 2.4, are placed into and are suspended in the preceding cross
In the space that beam 2.1, rear cross beam 2.2 and two vertical tie-beams 2.3 surround.The present invention cancels the spare tyre on rear floor, spare tyre
Slot retains, the both sides on rear floor, the top of left and right side longeron, the mounting bracket plate 5 of four IPU assemblies 1 is welded, before described
A mounting bracket 2.5 is welded at crossbeam 2.1 and 2.3 both ends of rear cross beam, and the mounting bracket 2.5 is equipped with mounting hole, after described
Two mounting bracket plates being adapted to the mounting bracket 2.5 are respectively welded in 4 top of longeron on the right of floor left side longeron 3 and rear floor
5, the positioning fixing bolt 5.1 being adapted to the mounting hole is welded on the mounting bracket plate 5；Mounting bracket plate 5 and rear floor
The welding on side longeron and rear floor can be realized by spot welding or gas shielded arc welding, in this way, passing through mounting bracket 2.5 and installation branch
Frame plate 5 realizes being detachably connected for forward and backward crossbeam and the left and right side longeron in rear floor.IPU assemblies 1 are suspended in midair by fixing bracket 2
Between longeron 4 on the right of rear floor left side longeron 3 and rear floor, it is located at the rear of rear floor middle 6, IPU assemblies 1 are rear
It is vacant state in plate spare wheel groove, has certain gap with rear floor spare wheel groove, vehicle body becomes when preventing vehicle from passing through uneven road surface
Shape and IPU assemblies up-down vibration and generate interference.
As shown in Figure 4 and Figure 5, preferably, the IPU assemblies 1 include lower housing 1.1 and upper cover plate 1.2, described
Lower housing 1.1 is suspended in the space that the front beam 2.1, rear cross beam 2.2 and two vertical tie-beams 2.3 surround, the lower casing
Body 1.1 and upper cover plate 1.2 are connect with the IPU assemblies fixed frame 2.4；IPU components, the IPU are equipped in the lower housing 1.1
Component includes battery pack block 7, battery management system 8, high-voltage relay 9, electric machine controller 10, DC/DC converters, and DC/DC becomes
Parallel operation is located at the lower section of electric machine controller 10, is not shown in figure.
As shown in fig. 6, the lower housing 1.1 includes forming upper end by two blocks of side plates, 1.11, two pieces of welding of sealing plate 1.12 to open
The entirety of mouth, 1.11 top of the side plate are equipped with eaves 1.13, and the eaves 1.13 is adapted to connection with the IPU assemblies fixed frame 2.4.
As shown in Figure 6 and Figure 7,1.11 inner wall of the side plate is equipped with the first reinforcing beam 1.14, first reinforcing beam 1.14
It is horizontal with the first horizontal portion 1.141 and second respectively including first horizontal portion 1.141 and the second horizontal part 1.142, head and the tail
The interconnecting piece 1.143 of 1.142 one end end of portion connection, the first horizontal portion 1.141 and the second horizontal part 1.142 are located at described
The both sides of interconnecting piece 1.143；The first horizontal portion 1.141 is connect with the eaves 1.13, and second horizontal part 1.142 is under
Housing bottom connects.The concrete structure shape of side plate 1.11, mainly by 1.13 structure of side wall 1.15, the half portion 1.16 of bottom surface and eaves
At the wherein not only vertical bottom face of side wall 1.15, but also vertical eaves 1.13 is more advantageous to the lower housing of side wall vertical bottom face, passes through in this way
Minimum piecemeal obtains optimal craftsmanship.In order to promote the intensity and rigidity of thin plate, it is provided with a plurality of first reinforcing rib 1.14.
Cooling system blast pipe via 1.17 and cable via 1.18 are provided on one in two side walls 1.15.It is arranged on eaves 1.13
Have and multiple is bolted via and welding location-plate hole.
As shown in figure 8, the concrete structure shape of sealing plate 1.12, by side wall 1.121, upper edge 1.122, lower edge 1.123,
Front is constituted along 1.124, back edge 1.125.Upper edge 1.122 is available to the mounting surface of upper cover plate 1.2, and connects equipped with bolt
Take over hole and welding location-plate hole.Lower edge 1.123, front are welding edges with side plate 1.11 along 1.124 and back edge 1.125.
It is provided with reinforcing rib on side wall 1.121.
As shown in Fig. 6 and Fig. 9,1.2 middle part of the upper cover plate is higher than its periphery, and 1.2 inside of the upper cover plate is equipped at intervals with
The second reinforcing beam of multiple longitudinal directions 1.19.1.19 structure of the second reinforcing beam of four longitudinal directions is identical, is connected to the side of upper cover plate 1.2
Edge, and it is bolt-connected to eaves 1.13 together with upper cover plate 1.2, then it is total fixed to the IPU across rear floor spare wheel groove together
At on fixed frame 2.4, in this way, conducive to the intensity of enhancing upper cover plate 1.2 so that the weight of luggage can be carried on upper cover plate 1.2.
As shown in Figure 10, as another preferred embodiment, battery pack block 7 is arranged in two groups by multiple battery cells, constitutes two
Then the battery pack of a rectangular-shape is bolted and is clamped between upper mounted plate 7.1 and bottom plate 7.2；It is described solid
Fixed board 7.1 is connect with 1.1 top of the lower housing, and the bottom plate 7.2 is connect with 1.1 bottom of the lower housing.
As shown in figure 11, fixed plate 7.1 includes 7.11 and of clinch 7.11, horizontal part 7.12 and connection clinch
The changeover portion 7.13 of horizontal part 7.12, the clinch 7.11 are higher than the horizontal part 7.12；The clinch 7.11 is equipped with
Mounting hole is connect with eaves 1.13, and 7.12 two opposite outers of the horizontal part are equipped with the respectively offer of battery management system 8
First flange 7.14 of fixed point, the second flange 7.15 that fixed point is provided for high-voltage relay 9.Upper mounted plate 7.1 is whole to be set
Accomplish lightweight as possible under the premise of proof strength in respect of lightening hole and reinforcing rib with heavy platform.
As shown in figure 12,7.2 two opposite outers of the bottom plate are equipped with respectively battery management system 8 and provide admittedly
The third flange 7.21 of fixed point, the 4th flange 7.22 that fixed point is provided for high-voltage relay 9, left and right ends shown in figure are set
There is hole, is connect with 1.1 bottom of lower housing.
Again as shown in figure 5 and figure 10, battery pack block 7 is installed to the planform inside lower housing 1.1.Battery management system
8, high-voltage relay 9 are assemblied together by upper mounted plate 7.1, bottom plate 7.2 with battery pack block 7, and assembly peace is re-used as
It is attached to the interior of lower housing 1.1, first horizontal portion 1.141 and the second horizontal part with the first reinforcing beam 1.14 of lower housing 1.1
1.142 connecting together.The fixation of bottom plate 7.2 is installed by bolt and is tightened from the bottom up.
Again as shown in Figure 10, the fixation of battery pack block 7 is suspended in midair by upper mounted plate 7.1, and bottom plate 7.2 carries out
Support.As can be seen that upper mounted plate 7.1, bottom plate 7.2 and the first reinforcing beam 1.14 constitute a closed loop from cross-section diagram,
Battery pack block 7 is among closed loop.In addition, the leading portion of upper mounted plate 7.1, the leading portion of bottom plate 7.2, the first reinforcing beam
1.14 and the fixation stay bolt 7.3 of battery pack block 7 constitute a small closed loop, rear side also one in the front side of battery pack block 7
Sample.Further more, in the top of battery pack block 7, upper mounted plate 7.1 and the second reinforcing beam 1.19 also constitute a closed loop, such battery
Chunking 7 is just in closely coupled fixing bracket, possesses higher fastened point intensity.
Claims (9)
1. a kind of hybrid vehicle IPU fixed structures, including IPU assemblies (1), it is characterised in that：It further include fixing bracket
(2), the fixing bracket (2) include front beam (2.1) that both ends are detachably connected on above the left and right side longeron in rear floor and after
Crossbeam (2.2) is fixedly connected with two vertical tie-beams (2.3) between the front beam (2.1) and rear cross beam (2.2)；In front beam
(2.1) and on rear cross beam (2.2) multiple IPU assemblies fixed frames (2.4), IPU assemblies fixed frame (2.4) position are equipped at intervals with
Between two vertical tie-beams (2.3)；The IPU assemblies (1) connect with the IPU assemblies fixed frame (2.4), are placed into suspention
In the space that the front beam (2.1), rear cross beam (2.2) and two vertical tie-beams (2.3) surround；
A mounting bracket (2.5), the mounting bracket (2.5) are welded in the front beam (2.1) and rear cross beam (2.2) both ends
It is each above longeron (4) on the right of rear floor left side longeron (3) and rear floor to weld two and the mounting bracket equipped with mounting hole
(2.5) the mounting bracket plate (5) being adapted to welds the positioning fixation spiral shell being adapted to the mounting hole on the mounting bracket plate (5)
Bolt (5.1)；
The IPU assemblies (1) include lower housing (1.1) and upper cover plate (1.2), and the lower housing (1.1) is suspended in described preceding horizontal
In the space that beam (2.1), rear cross beam (2.2) and two vertical tie-beams (2.3) surround, the lower housing (1.1) and upper cover plate
(1.2) it is connect with the IPU assemblies fixed frame (2.4).
2. hybrid vehicle IPU fixed structures according to claim 1, it is characterised in that：In the lower housing (1.1)
Equipped with IPU components, the IPU components include battery pack block (7), battery management system (8), high-voltage relay (9), motor control
Device (10), DC/DC converters.
3. hybrid vehicle IPU fixed structures according to claim 1, it is characterised in that：Lower housing (1.1) packet
The entirety for forming upper end opening by two pieces of side plates (1.11), two pieces of sealing plate (1.12) welding is included, is set at the top of the side plate (1.11)
There are eaves (1.13), the eaves (1.13) to be adapted to connection with the IPU assemblies fixed frame (2.4).
4. hybrid vehicle IPU fixed structures according to claim 3, it is characterised in that：In the side plate (1.11)
Wall is equipped with the first reinforcing beam (1.14), and first reinforcing beam (1.14) includes first horizontal portion (1.141) and the second horizontal part
(1.142), the connection that head and the tail are connect with the first horizontal portion (1.141) and the second horizontal part (1.142) one end end respectively
Portion (1.143), the first horizontal portion (1.141) and the second horizontal part (1.142) are located at the two of the interconnecting piece (1.143)
Side；The first horizontal portion (1.141) connect with the eaves (1.13), second horizontal part (1.142) and lower housing (1.1)
Bottom connects.
5. hybrid vehicle IPU fixed structures according to claim 1, it is characterised in that：In the upper cover plate (1.2)
Portion is higher than its periphery, and the second reinforcing beam of multiple longitudinal directions (1.19) is equipped at intervals on the inside of the upper cover plate (1.2).
6. hybrid vehicle IPU fixed structures according to claim 5, it is characterised in that：Second reinforcing beam
(1.19), lower housing (1.1) and upper cover plate (1.2) are connect by bolt with the IPU assemblies fixed frame (2.4).
7. hybrid vehicle IPU fixed structures according to claim 2, it is characterised in that：Battery pack block (7) is by multiple
Battery cell is arranged in two groups, and then the battery pack of two rectangular-shapes of composition is bolted is clamped in upper mounted plate
(7.1) between bottom plate (7.2)；It is connect at the top of fixed plate (7.1) and the lower housing (1.1), it is described lower solid
Fixed board (7.2) is connect with the lower housing (1.1) bottom.
8. hybrid vehicle IPU fixed structures according to claim 7, it is characterised in that：Fixed plate (7.1)
Changeover portion (7.13) including clinch (7.11), horizontal part (7.12) and connection clinch (7.11) and horizontal part (7.12),
The clinch (7.11) is higher than the horizontal part (7.12).
9. hybrid vehicle IPU fixed structures according to claim 8, it is characterised in that：The horizontal part (7.12)
Two opposite outers are equipped with respectively battery management system (8) and provide the first flange (7.14) of fixed point, are high-voltage relay
Device (9) provides the second flange (7.15) of fixed point；The two opposite outers of the bottom plate (7.2) are equipped with respectively battery
Management system (8) provides the third flange (7.21) of fixed point, provides the 4th flange of fixed point for high-voltage relay (10)
(7.22)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757856.8A CN105291800B (en) | 2015-11-09 | 2015-11-09 | Hybrid vehicle IPU fixed structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757856.8A CN105291800B (en) | 2015-11-09 | 2015-11-09 | Hybrid vehicle IPU fixed structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105291800A CN105291800A (en) | 2016-02-03 |
| CN105291800B true CN105291800B (en) | 2018-09-14 |
Family
ID=55189893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510757856.8A Active CN105291800B (en) | 2015-11-09 | 2015-11-09 | Hybrid vehicle IPU fixed structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105291800B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7372228B2 (en) * | 2020-11-25 | 2023-10-31 | 本田技研工業株式会社 | Vehicles equipped with battery packs |
| CN113276653B (en) * | 2021-06-07 | 2022-09-13 | 东风柳州汽车有限公司 | Hybrid vehicle battery arrangement structure and mounting bracket thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201347134Y (en) * | 2008-11-28 | 2009-11-18 | 比亚迪股份有限公司 | Floor structure of electric vehicle |
| CN202513217U (en) * | 2011-12-31 | 2012-10-31 | 上海汽车集团股份有限公司 | Battery structure and mounting structure for same |
| CN202783434U (en) * | 2012-08-16 | 2013-03-13 | 东风汽车公司 | Floor board underneath power battery fixed support connecting structure |
| CN103419844A (en) * | 2012-05-23 | 2013-12-04 | 本田技研工业株式会社 | Electric vehicle with intelligent power unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5141026B2 (en) * | 2006-02-27 | 2013-02-13 | トヨタ自動車株式会社 | In-vehicle structure of power storage pack |
-
2015
- 2015-11-09 CN CN201510757856.8A patent/CN105291800B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201347134Y (en) * | 2008-11-28 | 2009-11-18 | 比亚迪股份有限公司 | Floor structure of electric vehicle |
| CN202513217U (en) * | 2011-12-31 | 2012-10-31 | 上海汽车集团股份有限公司 | Battery structure and mounting structure for same |
| CN103419844A (en) * | 2012-05-23 | 2013-12-04 | 本田技研工业株式会社 | Electric vehicle with intelligent power unit |
| CN202783434U (en) * | 2012-08-16 | 2013-03-13 | 东风汽车公司 | Floor board underneath power battery fixed support connecting structure |
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| Publication number | Publication date |
|---|---|
| CN105291800A (en) | 2016-02-03 |
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Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee after: dFac Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: Dongfeng Car Co. |