CN110112476B - Power battery protection system - Google Patents
Power battery protection system Download PDFInfo
- Publication number
- CN110112476B CN110112476B CN201910365912.1A CN201910365912A CN110112476B CN 110112476 B CN110112476 B CN 110112476B CN 201910365912 A CN201910365912 A CN 201910365912A CN 110112476 B CN110112476 B CN 110112476B
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- CN
- China
- Prior art keywords
- battery
- relay
- heating
- copper bar
- battery module
- 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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Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052802 copper Inorganic materials 0.000 claims abstract description 47
- 239000010949 copper Substances 0.000 claims abstract description 47
- 238000004891 communication Methods 0.000 claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 10
- 230000004308 accommodation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
-
- 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
Abstract
The invention relates to a power battery protection system which comprises an outer shell, a battery module, a high-voltage control box assembly, a battery control system assembly, a communication antenna and a plug connector, wherein the high-voltage control box assembly comprises a high-voltage control box shell, a control relay, a heating relay, a shunt, a main fuse, a heating fuse, a connecting copper bar, a relay communication wire harness and a heating wire harness, the control relay, the heating relay, the shunt, the main fuse and the heating fuse are arranged in the high-voltage control box shell, the relay communication wire harness and the heating wire harness are arranged on the high-voltage control box shell, the control relay is connected with the shunt, the main fuse and the relay communication wire harness, and the heating relay is connected with the heating fuse, the shunt, the heating wire harness and the relay communication wire harness. The invention integrates and encapsulates components such as the relay, the shunt, the main fuse, the fuse and the like, so that the interior of the power battery is cleaner and more convenient for later maintenance and detection.
Description
Technical Field
The invention relates to the field of battery disassembly, in particular to a power battery protection system.
Background
The inside of current power battery box all adopts the exposed mode of components and parts basically, and various components and parts dispersions such as relay, fuse set up each position of power battery box, and the inside that leads to the power battery box has various electric wires to encircle, in case break down, needs a large amount of detection links to determine the components and parts of trouble to it is fairly loaded down with trivial details to change.
Disclosure of Invention
The invention aims to provide a power battery protection system aiming at the current situation.
The technical scheme adopted by the invention is as follows: a power cell protection system comprising: the high-voltage control box assembly comprises a high-voltage control box shell, a control relay, a heating relay, a shunt, a main fuse, a heating fuse, a connecting copper bar, a relay communication wire harness and a heating wire harness, wherein the control relay, the heating relay, the shunt, the main fuse and the heating fuse are arranged in the high-voltage control box shell, the relay communication wiring harness is arranged on the high-voltage control box shell, the control relay is connected with the shunt, the main fuse and the relay communication wiring harness, and the heating relay is connected with the heating fuse, the shunt, the heating wiring harness and the relay communication wiring harness.
The invention has the following effects: according to the power battery protection system, the relay, the shunt, the main fuse, the fuse and other components are packaged together, so that the interior of the power battery is cleaner and more convenient for later maintenance and detection.
Drawings
FIG. 1 is a schematic structural diagram of a power battery protection system;
FIG. 2 is a schematic view of another embodiment of a power battery protection system;
FIG. 3 is a top view of the power battery protection system with the cover removed;
FIG. 4 is a schematic cross-sectional view of a power cell protection system;
FIG. 5 is an enlarged schematic view of the high pressure control box assembly;
FIG. 6 is a schematic diagram of a battery control system assembly;
FIG. 7 is a schematic view of the construction of the connector;
FIG. 8 is a schematic cross-sectional view of the connector;
fig. 9 is an internal structural view of the high-voltage control box assembly.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The invention is described below with reference to the accompanying drawings:
referring to fig. 1 to 9, a power battery protection system provided by the present invention includes: the battery module comprises a shell body 1, a battery module 2, a high-voltage control box assembly 3, a battery control system assembly 4, a communication antenna 5 and a plug connector 6, wherein the battery module 2 is the high-voltage control box assembly 3, the battery control system assembly 4 is arranged in the shell body 1 and fixed on the shell body 1, the communication antenna 5 and the plug connector 6 are fixed on the shell body 1, the communication antenna 5 is connected with the battery control system assembly 4, and the plug connector 6 is connected with the battery module 2 and the high-voltage control box assembly 3.
The outer casing 1 includes box 11 and case lid 12, be equipped with accommodation space 111 in the box 11, battery module 2 high-voltage control box subassembly 3 battery control system subassembly 4 sets up in the accommodation space 111, case lid 12 with box 11 can dismantle the connection.
The box body 11 comprises a side wall 112 and a bottom plate 113, the side wall 112 and the bottom plate 113 are vertically fixed, a battery module lateral fixing table 114 is arranged on the side, close to the accommodating space 111, of the side wall 112, and a battery module bottom fixing seat 115, a high-voltage control box assembly fixing seat 116 and a battery control system assembly fixing seat 117 are arranged on the side, close to the accommodating space 111, of the bottom plate 113.
In this embodiment, the bottom fixing seat 115 of the battery module, the fixing seat 116 of the high-voltage control box assembly and the fixing seat 117 of the battery control system assembly are made of flexible materials, so that the damping effect can be improved, and the service life of components can be prolonged.
The side wall 112 is far away from be equipped with wave strengthening rib 118 on the face of accommodation space 111, bottom plate 113 is far away from be equipped with well type strengthening rib 119 on the face of accommodation space 111, wave strengthening rib 118 with well type strengthening rib 119 is used for preventing the side wall 112 reaches bottom plate 113 is in battery module 2 generates deformation in-process that generates heat, is in the accommodation space 111 battery module 2 high-pressure control box subassembly 3 battery control system subassembly 4 produces the extrusion.
The side direction of battery module 2 extend form with battery module side direction fixed station 114 assorted fixed handle 21, fixed handle 21 with battery module side direction fixed station 114 bolt fastening, battery module 2 is close to be equipped with on the one side of bottom plate 113 with battery module bottom fixing base 115 assorted fixed position 22, fixed position 22 with battery module bottom fixing base 115 bolt fastening.
Fixed handle 21 is in battery module 2 with when lateral wall 112 is fixed, play the effect of stiff end, with battery module side direction fixed station 114 bolt fastening, work as battery module 2 with during the lateral wall 112 separation, fixed handle 21 plays the effect of handle, and the person of facilitating the use carries and takes battery module 2.
High-voltage control box subassembly 3 with battery module 2 reaches plug connector 6 is connected, high-voltage control box subassembly 3 includes high-voltage control box casing 31, control relay 32, heating relay 33, shunt 34, main fuse 35, heating fuse 36, connects copper bar 37, relay communication pencil 38, heating pencil 39, control relay 32 heating relay 33 shunt 34 main fuse 35 heating fuse 36 sets up in the high-voltage control box casing 31, relay communication pencil 38 heating pencil 39 sets up on the high-voltage control box casing 31, control relay 32 with shunt 34 main fuse 35 the relay communication pencil 38 is connected, heating relay 33 with heating fuse 36 shunt 34 heating pencil 39, The relay communication harness 38 is connected.
The bottom of the high-voltage control box shell 31 extends to form a high-voltage control box fixing support 311, and the high-voltage control box fixing support 311 is connected with the high-voltage control box assembly fixing seat 116 through a bolt.
The high-voltage control box shell 31 is provided with a first contact end 312 for connecting with the battery module 2 and a second contact end 313 for connecting with the plug connector 6.
The connecting copper bar 37 comprises a first copper bar 371, a second copper bar 372, a third copper bar 373 and a fourth copper bar 374, one end of the first copper bar 371 is connected with the control relay 32, the other end of the first copper bar is connected with one end of the shunt 34, one end of the second copper bar 372 is connected with one end, far away from the control relay 32, of the shunt 34, the other end of the second copper bar 372 is connected with one end of the main fuse 35, one end of the third copper bar 373 is connected with one end, far away from the second copper bar 372, of the main fuse 35, the other end of the third copper bar 373 is connected with the first contact end 312, the fourth copper bar 374 is a T-shaped copper bar, and the fourth copper bar 374 is connected with the heating fuse 36, the control relay 32 and the second contact end 313 respectively.
The first copper bar 371 is generally arc-shaped, the second copper bar 372 and the third copper bar 373 are cuboid, the first copper bar 371 and the fourth copper bar 374 realize connection corners among components, so that the components can be compactly arranged in the high-voltage control box shell 31.
The control relay 32 is fixed on the lateral wall of the high-voltage control box shell 31, the control relay 32 is far away from one side of the high-voltage control box shell 31 is provided with a connecting end which is connected with the first copper bar 371 and the fourth copper bar 374 respectively.
The heating relay 33 and the shunt 34 are respectively arranged at two sides of the control relay 32, the heating relay 33 is fixed on the side wall of the high-voltage control box shell 31, and the heating relay 33 is electrically connected with the heating fuse 36, the shunt 34, the heating wire harness 39 and the relay communication wire harness 38.
The shunt 34 is vertically disposed on one side of the control relay 32 and fixed on the sidewall of the control relay 32 through the first copper bar 371.
The main fuse 35 is vertically disposed on one side of the shunt 34, one end of the main fuse 35 is fixedly connected to the shunt 34 through the second copper bar 372, and the other end of the main fuse 35 is fixed to the first contact end 312 through the third copper bar 373.
One end of the heating fuse 36 is fixed to the inner wall of the high-voltage control box shell 31 and is electrically connected to the heating relay 33, and the other end of the heating fuse 36 is fixedly connected to the second contact end 313 through the fourth copper bar 374.
The relay communication wiring harness 38 penetrates through the side wall of the high-voltage control box shell 311, and one end, located in the high-voltage control box shell 311, of the relay communication wiring harness 38 is fixedly connected with the heating relay 33.
The control relay 32 is of the type HFE80V-200/150-12-HTC 5Y.
The model of the heating relay 33 is HFE80V-20/450-12-HTQ 2J.
The illustrated diverter 34 is of the type FHR-M-0.25D-9520-t.
The main fuse 35 has a model number of 0cnn 300e.v.
The heating fuse is model number 36HBF 0225A 250 VDC.
The heating wire harness 39 is used for heating the battery module 2 in the accommodating space 111, so that the working temperature of the battery module 2 can be guaranteed under the extremely cold condition.
Battery control system subassembly 4 includes GPS control panel 41, battery control system 42, battery control system installing support 43 include support bottom plate 431 and in support bottom plate 431 vertical fixation's support riser 432, support bottom plate 431 with battery control system subassembly fixing base 117 bolt fastening, GPS control panel 41 sets up on the one side of support riser 432, battery control system 42 sets up on the another side of support riser 432, GPS control panel 41 with communication antenna 5 connects, battery control system 42 with communication antenna 5 battery module 2 connects.
The GPS control board 41 is used for GPS positioning of the plug-in unit.
The battery control system 42 is used for detecting the battery module 2, improving the utilization rate of the battery and preventing the battery from being overcharged and overdischarged.
The top of the support riser 432 extends to form a plurality of limiting fixing rings 433.
The communication antenna 5 comprises a GPS antenna 51 and a GSM antenna 52, the GPS antenna 51 and the GSM antenna 52 are arranged on the side wall 112, the GPS antenna 51 is connected with the GPS control board 41, and the GSM antenna 52 is connected with the battery control system 42.
In this embodiment, the number of the plug connectors 6 is 2, the plug connectors 6 are disposed on the side wall 112, and 2 of the plug connectors 6 are respectively connected to the battery module 2 and the second contact end 313.
The copper bar 61 has a horizontal surface 611 and an inclined surface 612, and an included angle formed between the horizontal surface 611 and the inclined surface 612 is smaller than 180 ° and larger than 90 °.
The horizontal surface 611 penetrates through the plastic part 62, and the horizontal surface 611 is provided with thread rolling-shaped tooth marks 613.
The inclined surface 612 is fixed perpendicular to the lug 63.
The contact part of the plastic connecting piece 62 and the thread-rolling tooth mark 613 is provided with an inner thread 621 matched with the thread-rolling tooth mark 613. The thread rolling-shaped tooth marks 613 are matched with the inner tooth lines 621, the thread rolling-shaped tooth marks 613 are meshed with the inner tooth lines 621 to form the reinforcing part 65, and therefore the copper bar 61 and the plastic connecting piece 62 are ensured to be matched stably for a long time without loosening.
One end of the connector lug 63 is fixed to the inclined surface 612, the other end of the connector lug penetrates through the plastic shell 64, and an inner concave surface 641 is arranged at the position, corresponding to the connector lug 63, of the plastic shell 64, so that the connector lug 63 is protected.
In this embodiment, the plug connector 6 further includes a rubber gasket 66, the rubber gasket 66 has a through hole 661, the reinforcing portion 65 is disposed through the through hole 661, and the rubber gasket 66 is provided with a round of protrusions 662 at a position where the reinforcing portion 65 contacts.
In this embodiment, the plug-in unit 6 further includes a protective cap 67, the protective cap 67 is movably disposed at one end of the connector terminal 63 penetrating through the plastic housing 64, and the protective cap 67 protects a portion of the connector terminal 63 protruding out of the plastic housing 64.
In this embodiment, the power battery protection system further includes a module connecting copper bar 7, the module connecting copper bar 7 penetrates through the limiting fixing ring 433, one end of the module connecting copper bar 7 is fixed to the second contact end 313, and the other end of the module connecting copper bar 7 is fixed to the copper bar 61.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A power cell protection system, comprising: the high-voltage control box assembly comprises a high-voltage control box shell, a control relay, a heating relay, a shunt, a main fuse, a heating fuse, a connecting copper bar, a relay communication wire harness and a heating wire harness, wherein the control relay, the heating relay, the shunt, the main fuse and the heating fuse are arranged in the high-voltage control box shell, relay communication pencil the heating pencil sets up on the high-voltage control box casing, control relay with the shunt main fuse relay communication pencil is connected, heating relay with the heating fuse shunt heating pencil the relay communication pencil is connected, the plug connector includes the copper bar, moulds the union piece, the copper bar has a horizontal plane and an inclined plane, the horizontal plane is worn to locate mould the union piece, just be equipped with on the horizontal plane and rub tooth form tooth trace, mould the union piece with rub tooth form tooth trace contact department be equipped with rub tooth form tooth trace assorted internal tooth line.
2. The power battery protection system according to claim 1, wherein the outer housing comprises a box body and a box cover, an accommodating space is formed in the box body, the battery module, the high-voltage control box assembly and the battery control system assembly are arranged in the accommodating space, the box body comprises a side wall and a bottom plate, the side wall is vertically fixed to the bottom plate, a battery module lateral fixing table is arranged on the side, close to the accommodating space, of the side wall, and a battery module bottom fixing seat, a high-voltage control box assembly fixing seat and a battery control system assembly fixing seat are arranged on the side, close to the accommodating space, of the bottom plate.
3. The power battery protection system of claim 2, wherein the battery module extends laterally to form a fixing handle matched with the battery module lateral fixing table, the fixing handle is fixed with the battery module lateral fixing table through bolts, a fixing position matched with the battery module bottom fixing seat is arranged on one surface, close to the bottom plate, of the battery module, and the fixing position is fixed with the battery module bottom fixing seat through bolts.
4. The power battery protection system of claim 3, wherein the battery control system assembly comprises a GPS control panel, a battery control system, and a battery control system mounting bracket, the battery control system mounting bracket comprises a bracket bottom plate and a bracket vertical plate vertically fixed to the bracket bottom plate, the bracket bottom plate is bolted to the battery control system assembly fixing seat, the GPS control panel is disposed on one surface of the bracket vertical plate, the battery control system is disposed on the other surface of the bracket vertical plate, the GPS control panel is connected to the communication antenna, and the battery control system is connected to the communication antenna and the battery module.
5. The power battery protection system of claim 4, wherein the communication antenna comprises a GPS antenna and a GSM antenna, the GPS antenna and the GSM antenna are disposed on the sidewall, the GPS antenna is connected with the GPS control board, and the GSM antenna is connected with the battery control system.
6. The power battery protection system according to claim 5, further comprising a module connecting copper bar, wherein the high-voltage control box casing is provided with a first contact end for connecting with the battery module and a second contact end for connecting with the plug connector, the top of the support riser extends to form a plurality of limiting fixing rings, the module connecting copper bar penetrates through the limiting fixing rings, one end of the module connecting copper bar is fixed with the second contact end, and the other end of the module connecting copper bar is fixed with the copper bar.
7. The power battery protection system according to claim 6, wherein the side wall is provided with a wave-shaped reinforcing rib on the surface away from the accommodating space, the bottom plate is provided with a well-shaped reinforcing rib on the surface away from the accommodating space, and the wave-shaped reinforcing rib and the well-shaped reinforcing rib are used for preventing the side wall and the bottom plate from deforming in the heating process of the battery module.
8. The power battery protection system of claim 7, wherein the battery module bottom mount, the high voltage control box assembly mount, and the battery control system assembly mount are made of flexible materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365912.1A CN110112476B (en) | 2019-04-30 | 2019-04-30 | Power battery protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365912.1A CN110112476B (en) | 2019-04-30 | 2019-04-30 | Power battery protection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110112476A CN110112476A (en) | 2019-08-09 |
| CN110112476B true CN110112476B (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910365912.1A Active CN110112476B (en) | 2019-04-30 | 2019-04-30 | Power battery protection system |
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| CN (1) | CN110112476B (en) |
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| CN204333152U (en) * | 2014-12-18 | 2015-05-13 | 阿尔特汽车技术股份有限公司 | The inner integrated high voltage control box of power battery of pure electric automobile bag |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110112476A (en) | 2019-08-09 |
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Address after: 431400 Bi Pu Cun, Ma'an Cun, cangbu Jie, Xinzhou District, Wuhan City, Hubei Province Applicant after: Greenbeauty (Wuhan) city mining industry group Co.,Ltd. Applicant after: HUBEI LIANSHUO POWER BATTERY TECHNOLOGY SERVICE ENTERPRISE (L.P.) Address before: 431400 cangbu Jie Bi Pu Cun Ma'an Cun, Xinzhou District, Wuhan City, Hubei Province Applicant before: GEM (WUHAN) URBAN MINING RESOURCES INDUSTRIAL PARK DEVELOPMENT Co.,Ltd. Applicant before: HUBEI LIANSHUO POWER BATTERY TECHNOLOGY SERVICE ENTERPRISE (L.P.) |
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Effective date of registration: 20231026 Address after: No. 168 Xinggu Avenue Road, Shuangliu Street, Xinzhou District, Wuhan City, Hubei Province, 430416 Patentee after: Wuhan power battery regeneration technology Co.,Ltd. Address before: 431400 Green Mei Industrial Park Building, Bipu Village, Cangbu Street, Xinzhou District, Wuhan City, Hubei Province Patentee before: GEM (WUHAN) NEW ENERGY VEHICLE SERVICE CO.,LTD. |
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