CN106080804B - Floor frame structure after electric car - Google Patents
Floor frame structure after electric car Download PDFInfo
- Publication number
- CN106080804B CN106080804B CN201610606859.6A CN201610606859A CN106080804B CN 106080804 B CN106080804 B CN 106080804B CN 201610606859 A CN201610606859 A CN 201610606859A CN 106080804 B CN106080804 B CN 106080804B
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- China
- Prior art keywords
- floor
- electric car
- nutplate
- frame structure
- sill strip
- 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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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 23
- 239000004411 aluminium Substances 0.000 claims abstract description 21
- 238000012423 maintenance Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses Floor frame structures after a kind of electric car, including longitudinal floor beam and rear Floor rear crossbeam after rear floor front beam, a pair, longitudinal floor beam, which is located between rear floor front beam and rear Floor rear crossbeam, after the pair of forms frame, and the rear floor front beam, rear longitudinal floor beam and rear Floor rear crossbeam are hollow aluminium profile structure.Rationally, all girder constructions use hollow aluminium profile structure, and light-weight, structural strength is big, is conducive to electric car lightweight for Floor frame structure design after the electric car, can effectively extend electric car course continuation mileage, reduce use cost.
Description
Technical field
The present invention relates to electric vehicle engineering fields, more particularly, to Floor frame structure after a kind of electric car.
Background technique
Electric car has energy-saving and environment-friendly advantage as a kind of new-energy automobile, and electric car increasingly becomes automobile
The hot spot of area research.The generally existing problem in electric car field is that accumulator of electric car course continuation mileage is limited at present, this
Limit the popularization and application of electric car.
Floor frame structure is mostly steel construction after on existing vehicle body, and weight is big, is unfavorable for electric car lightweight, unfavorable
Effectively extend electric car course continuation mileage, and metalwork production assembly and maintenance cost are higher, are unfavorable for reducing cost, it cannot
Meet energy conservation and environmental protection requirement.
Summary of the invention
In view of the shortcomings of the prior art, technical problem to be solved by the invention is to provide floor frames after a kind of electric car
Structure meets vehicle lightweight requirements, and guarantees structural strength.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is as follows:
Floor frame structure after the electric car, including rear floor front beam, it is a pair of after behind longitudinal floor beam and rear floor
Crossbeam, the pair of rear longitudinal floor beam, which is located between rear floor front beam and rear Floor rear crossbeam, forms frame, the rear floor
Front beam, rear longitudinal floor beam and rear Floor rear crossbeam are hollow aluminium profile structure.
Further, rear floor middle, rear floor middle and rear floor are equipped between the pair of rear longitudinal floor beam
Rear cross beam and rear floor front beam are parallel.
The end of floor front beam is welded on the sill strip on vehicle body after described, threshold beam end and rear longitudinal floor beam it
Between be equipped with subframe mounting rail, the sill strip and subframe mounting rail are hollow aluminium profile structure.
It is equipped between floor middle and rear floor front beam after described and reinforces stringer.
Dismountable rear maintenance lid is equipped with after described between floor middle and rear Floor rear crossbeam.
Floor middle is hollow aluminium profile structure after described.
Dismountable preceding maintenance lid is equipped between the reinforcement stringer and rear longitudinal floor beam.
Web beam is equipped between the reinforcement stringer and rear longitudinal floor beam.
Maintenance lid is aluminium sheet structure after described.
Maintenance lid is aluminium sheet structure before described.
The reinforcement stringer is parallel with rear longitudinal floor beam, and web beam is parallel with rear floor front beam.
Compared with prior art, the present invention have the advantage that Floor frame structure design is rationally after the electric car, institute
There is girder construction using hollow aluminium profile structure, light-weight, structural strength is big, is conducive to electric car lightweight, can effectively prolong
Long electric car course continuation mileage reduces use cost.
Detailed description of the invention
Content expressed by each width attached drawing of this specification and the label in figure are briefly described below:
Fig. 1 is Floor frame structure lower part of the present invention schematic diagram.
Fig. 2 is Floor frame structure top of the present invention schematic diagram.
Fig. 3 is sill strip structural schematic diagram of the present invention.
Fig. 4 is the A-A cross-sectional view along Fig. 3.
Fig. 5 is the B-B cross-sectional view along Fig. 3.
Fig. 6 is sill strip decomposition diagram of the present invention.
In figure:
1. front longitudinal beam back segment, 2. front apron lower beams,
3. sill strip, 301. seam allowance connecting plates, 302. lifting fixed frames, 303. nutplate mounting bars, the installation of 304. batteries
Sealing plate before sealing plate, 307. behind nutplate, 305. rivets, 306.,
4. longitudinal floor beam behind floor front beam, 7. subframe mounting rails, 8. behind seat front beam, 5. seat rear cross beams, 6.,
It is examined before overhauling lid, 14. behind Floor rear crossbeam, 11. reinforcement stringers, 12. web beams, 13. behind floor middle, 10. after 9.
Repair ontology behind lid, 15. preceding floors, ontology, 18. secondary instrument anti-rotation brackets, 19. before ontology, 17. preceding floors in 16. preceding floors
Parking brake mounting base.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation.
As shown in Figures 1 to 6, Floor frame structure after the electric car, including rear floor front beam 6, a pair of of subframe
Longitudinal floor beam 8 and rear Floor rear crossbeam 10 after mounting rail 7, a pair；Wherein, longitudinal floor beam 8 is located at cross before rear floor after a pair
Frame is formed between beam 6 and rear Floor rear crossbeam 10, i.e., rear longitudinal floor beam front end is welded on rear floor front beam, and rear floor is vertical
Beam rear end is welded in rear Floor rear crossbeam.
Floor front beam 6, subframe mounting rail 7, rear longitudinal floor beam 8 and rear Floor rear crossbeam 10 are hollow aluminium afterwards
Profile structure, for aluminium profile structure by mold extrusion molding, weight is small, and structural strength is big, is conducive to electric car lightweight, can
Effectively extend electric car course continuation mileage, reduces use cost.
The end of floor front beam 6 is welded on the rear portion of sill strip 3 on vehicle body, 7 one end of subframe mounting rail and threshold afterwards
3 rear end of beam is connected, and the subframe mounting rail other end is connected with the front of rear longitudinal floor beam, improves structural strength.
Rear floor middle 9 is equipped with after a pair between longitudinal floor beam 8, correspondence is respectively welded in the both ends of rear floor middle 9
Rear longitudinal floor beam on, rear floor middle is parallel with rear Floor rear crossbeam and rear floor front beam.Floor middle afterwards
It also is hollow aluminium profile structure.
The floor between floor middle and rear Floor rear crossbeam is bolted on crossbeam afterwards, and lid is overhauled after formation
13, rear maintenance lid is detachable, and the convenient component to below rear maintenance lid overhauls.
It is equipped between floor middle and rear floor front beam afterwards and reinforces stringer 11.Reinforce between stringer and rear longitudinal floor beam
Floor fixed also by bolt, lid 14 is overhauled before being formed, rear lid of overhauling is detachable, it is convenient to rear maintenance lid below
Component is overhauled.
Overhauling lid 13 and preceding maintenance lid 14 afterwards is aluminium sheet structure, and equipped with reinforcing rib in two lids, will after
Floor is divided into several independent sectors, and light-weight, structural strength is big.It overhauls lid afterwards and preceding maintenance lid is dismountable lid
Plate can disassemble when needing, convenient for below rear floor motor and the various control units of motor overhaul.
Reinforce being equipped with web beam 12 between stringer and rear longitudinal floor beam.It is parallel with rear longitudinal floor beam to reinforce stringer, adds
Deck transverse is parallel with rear floor front beam, improves structural strength.
Preceding Floor frame structure and rear Floor frame structure form entire Floor frame structure, it is ensured that whole structure is strong
Degree.Wherein, sill strip rear portion is directly welded in rear floor front beam end, and subframe mounting rail one end is welded on sill strip rear end
Portion, by sill strip transition, preceding floor frame is connected with rear floor frame by the way that rear floor front beam is organic.
Preceding Floor frame structure, including front apron lower beam 2, a pair of of sill strip 3, rear floor front beam 6, wherein front
Preceding floor, front apron lower beam 2, a pair are equipped in the frame that plate lower beam 2, a pair of of sill strip 3, rear floor front beam 6 are formed
Sill strip 3, rear floor front beam 6 are hollow aluminium profile structure, and preceding floor is aluminium sheet structure.Aluminum profile is squeezed out by mold
Molding, weight is small, and structural strength is big, is conducive to electric car lightweight, can effectively extend electric car course continuation mileage, reduce
Use cost.
Seat beam is equipped in frame between a pair of of sill strip, seat beam is hollow aluminium profile structure.Seat is horizontal
Beam includes seat front beam 4 and seat rear cross beam 5, and seat front beam 5 is equipped with secondary instrument anti-rotation bracket 18, secondary instrument anti-rotation branch
Frame 18 is u-bracket, and secondary instrument rear end is fixed, and prevents secondary instrument from rotating；Seat rear cross beam 5 is equipped with parking brake mounting base
19.Secondary instrument anti-rotation bracket 18 and parking brake mounting base 19 are aluminum component structure, light-weight.
Front apron lower beam 2, seat front beam 4, seat rear cross beam 5, rear floor front beam 6 are mutually arranged in parallel, preceding
Baffle lower beam, seat rear cross beam, is equipped with reinforcing rib inside rear floor front beam at seat front beam, and structural strength is big.
Front apron lower beam 2 is connected with front longitudinal beam back segment 1.Front longitudinal beam back segment 1 is hollow aluminium profile structure.Automobile central collision
When, before being transferred force to by front longitudinal beam in Floor frame structure, and to the battery shape below Floor frame structure before being located at
At protection, central collision effect is improved.
Before the power battery of electric car is located at below Floor frame structure, it is equipped with inside sill strip 3 for fixing battery
Battery fixing structure.Battery fixing structure is arranged inside sill strip, and tradition is arranged outside sill strip relatively, stable structure
Reliably, and sill strip lower space is saved.
It is equipped in sill strip 3 for the reinforcing rib by sill strip inside division at one group of cavity.Battery fixing structure is located at
It in the cavity of sill strip ontology bottom, that is, is mounted on the bottom plate of sill strip, the structure for improving sill strip by reinforcing rib is strong
Degree, to be attained by requirement to the protection of battery module when forming reliable protection, side impact and central collision to battery fixing structure.
Battery fixing structure includes nutplate mounting bar 303 and the battery being located on nutplate mounting bar installation nutplate
304, nutplate mounting bar 303 is fixed on the bottom plate of sill strip, and bottom plate is equipped with and the screw hole phase in battery installation nutplate
Corresponding through-hole.
The bottom plate of sill strip 3 is equipped with card slot, and nutplate mounting bar 303 is inserted in card slot, and the installation of nutplate mounting bar is torn open
Simplicity is unloaded, follow-up maintenance is facilitated.Nutplate mounting bar 303 is equipped with a pair of of clamp, and battery installation nutplate 304 is stuck in a pair of of card
In son, battery installs nutplate simple installation, and battery installs nutplate and is equipped with project-welding nut.All parts are individual components,
By fitting together, structure is simple, easy to process, low manufacture cost, replaces convenient for subsequent maintenance.
It is one group that battery, which installs nutplate 304, and uniform intervals are located on nutplate mounting bar, nutplate mounting bar insertion card
After slot, nutplate mounting bar both ends are fixed on the bottom plate of sill strip by the rivet 305 of core pulling.Bolt on battery frame with
Screw hole in battery installation nutplate matches, and battery is fixed, sill strip uniform force, and battery is fixed reliable.And
Entire battery fixing structure is located in sill strip, is not take up exterior space, facilitates installation.
3 top of sill strip is equipped with hollow protrusion, and protrusion is structure as a whole with sill strip ontology.The both ends of sill strip ontology
It is equipped with sealing plate, sealing plate is respectively preceding sealing plate 307 and rear sealing plate 306, and two sealing plates are aluminium sheet, and weight is small.The protrusion of sill strip
It is equipped with lower part seam allowance, and is located at raised one end equipped with the seam allowance connecting plate for being connected with the side seam allowance in A column flowering structure
301, improve the structural strength of seam allowance
It is equipped with lifting fixed frame 302 below 3 both ends of sill strip, that is, lifts the bottom that fixed frame is fixed on the bottom plate of sill strip
On face, nutplate mounting bar is staggered with lifting fixed frame upper and lower position, and lifting fixed frame is arranged by the outside of sill strip, nutplate
Mounting bar is arranged by the inside of sill strip, guarantees the structural strength of sill strip, lifting fixed frame is aluminium profile structure, light-weight.
Two lifting fixed frames 302 are located at the both ends of sill strip, tie wherein the lifting fixed frame for being located at front is located under A column
The underface of structure is located at the underface of B column positioned at the lifting fixed frame at rear portion, when being lifted by lifting fixed frame to vehicle body, two
The stress of end lifting fixed frame passes through sill strip respectively and passes in A column flowering structure and B column, and reliable and stable, sill strip is not pliable
Song deformation.
It is ontology 17 before preceding floor, seat front beam and seat rear cross beam between front apron lower beam 2 and seat front beam 4
It is ontology 15 behind preceding floor between seat rear cross beam and rear floor front beam for ontology 16 in preceding floor.Preceding floor is divided into three
Independent sector guarantees the structural strength on floor.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, if use the improvement for the various unsubstantialities that conception and technical scheme of the invention carry out, or it is not improved will
Conception and technical scheme of the invention directly apply to other occasions, within the scope of the present invention.
Claims (7)
1. Floor frame structure after a kind of electric car, including rear floor front beam, it is a pair of after behind longitudinal floor beam and rear floor
Crossbeam, the pair of rear longitudinal floor beam, which is located between rear floor front beam and rear Floor rear crossbeam, forms frame, it is characterised in that:
Floor front beam, rear longitudinal floor beam and rear Floor rear crossbeam are hollow aluminium profile structure after described；
The end of floor front beam is welded on the sill strip on vehicle body after described, is set between threshold beam end and rear longitudinal floor beam
There is subframe mounting rail, the sill strip and subframe mounting rail are hollow aluminium profile structure；
The battery fixing structure for fixing battery is equipped with inside sill strip；
Battery fixing structure includes nutplate mounting bar and the battery being located on nutplate mounting bar installation nutplate, nutplate peace
Dress item is fixed on the bottom plate of sill strip, and bottom plate is equipped with through-hole corresponding with the screw hole in battery installation nutplate；
The bottom plate of sill strip is equipped with card slot, and nutplate mounting bar is inserted in card slot, and it is one group that battery, which installs nutplate, between uniform
Every being located on nutplate mounting bar.
2. Floor frame structure after electric car as described in claim 1, it is characterised in that: after the pair of between longitudinal floor beam
Equipped with rear floor middle, rear floor middle and rear Floor rear crossbeam and rear floor front beam are parallel.
3. Floor frame structure after electric car as claimed in claim 2, it is characterised in that: it is described after floor middle with afterwards
It is equipped between plate front beam and reinforces stringer.
4. Floor frame structure after electric car as claimed in claim 2, it is characterised in that: it is described after floor middle with afterwards
Dismountable rear maintenance lid is equipped between plate rear cross beam.
5. Floor frame structure after electric car as claimed in claim 2, it is characterised in that: floor middle is hollow after described
Aluminium profile structure.
6. Floor frame structure after electric car as claimed in claim 3, it is characterised in that: the reinforcement stringer and rear floor are vertical
Dismountable preceding maintenance lid is equipped between beam.
7. Floor frame structure after electric car as claimed in claim 3, it is characterised in that: the reinforcement stringer and rear floor are vertical
Web beam is equipped between beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606859.6A CN106080804B (en) | 2016-07-29 | 2016-07-29 | Floor frame structure after electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606859.6A CN106080804B (en) | 2016-07-29 | 2016-07-29 | Floor frame structure after electric car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106080804A CN106080804A (en) | 2016-11-09 |
| CN106080804B true CN106080804B (en) | 2019-04-16 |
Family
ID=57478387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606859.6A Active CN106080804B (en) | 2016-07-29 | 2016-07-29 | Floor frame structure after electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106080804B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204465B (en) * | 2017-06-30 | 2021-06-18 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202783435U (en) * | 2012-08-16 | 2013-03-13 | 东风汽车公司 | Power battery service port structure |
| CN203306113U (en) * | 2013-05-29 | 2013-11-27 | 东风汽车公司 | Rear floor structure of electric passenger vehicle |
| CN204279629U (en) * | 2014-12-22 | 2015-04-22 | 郑州比克新能源汽车有限公司 | A kind of battery-driven car framed structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434264B (en) * | 2007-11-15 | 2010-10-06 | 比亚迪股份有限公司 | Floor assembly of vehicle |
| US20120151843A1 (en) * | 2010-12-20 | 2012-06-21 | Tesla Motors, Inc. | Vehicle Door Secondary Sealing System |
| CN204472904U (en) * | 2015-01-30 | 2015-07-15 | 娄底市大丰和电动车辆有限公司 | Four-wheel automobile vehicle frame |
| CN205149998U (en) * | 2015-10-19 | 2016-04-13 | 重庆江北区长安产业有限公司 | Automobile rear floor stiffening beam |
| CN205075909U (en) * | 2015-11-03 | 2016-03-09 | 郑州比克新能源汽车有限公司 | Floor assembly behind electric automobile |
-
2016
- 2016-07-29 CN CN201610606859.6A patent/CN106080804B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202783435U (en) * | 2012-08-16 | 2013-03-13 | 东风汽车公司 | Power battery service port structure |
| CN203306113U (en) * | 2013-05-29 | 2013-11-27 | 东风汽车公司 | Rear floor structure of electric passenger vehicle |
| CN204279629U (en) * | 2014-12-22 | 2015-04-22 | 郑州比克新能源汽车有限公司 | A kind of battery-driven car framed structure |
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| CN106080804A (en) | 2016-11-09 |
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Address after: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu Patentee after: Chery New Energy Automobile Co.,Ltd. Address before: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu Patentee before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |