CN205921048U - Battery auto -change over device of many batteries system - Google Patents
Battery auto -change over device of many batteries system Download PDFInfo
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- CN205921048U CN205921048U CN201620823481.0U CN201620823481U CN205921048U CN 205921048 U CN205921048 U CN 205921048U CN 201620823481 U CN201620823481 U CN 201620823481U CN 205921048 U CN205921048 U CN 205921048U
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- preliminary filling
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- derailing switch
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- 230000005611 electricity Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to the technical field of electric motor car equipment and specifically relates to a battery auto -change over device for having more the battery system is related to. The utility model discloses to the problem that prior art exists, provide the battery auto -change over device of battery system more than a kind. Through the cooperation of main positive contactor, preliminary filling contactor and a plurality of main burden contactors can be simple and convenient carry out the switching between the battery package. Make the battery package of a plurality of different characteristics use with, provide the power supply of long mileage. The utility model discloses a controller, battery pack positive pole on -off device, battery pack cathode on -off device, by power supply unit, a n battery package for to being supplied power by power supply unit, all n battery pack positive pole concurrent is connected, and a n battery pack positive pole is connected with battery pack positive pole on -off device, a n battery pack cathode correspond respectively with battery pack cathode on -off device in n lead a burden contactor and correspond and be connected.
Description
Technical field
This utility model is related to electric vehicle devices field, especially relates to a kind of battery shifter of multiple battery systems.
Background technology
The equal battery of electric automobile is a kind of battery core at present, and the characteristic leading to battery bag is also to immobilize.When chassis is moved
Power battery is too low when cannot work, then electric automobile cannot work, and leads to the distance travelled of electric motor car short.Further, even if making
With just cannot realize Large Copacity if the battery bag of powerful battery core simultaneously.In the same manner, it is difficult to using jumbo battery bag
Realize high-power using so that electric automobile power supply mode single it is impossible to provide long mileage power supply.
Utility model content
Goal of the invention of the present utility model is: mixes for the battery bag that cannot realize multiple different qualities in prior art
Problem, provides a kind of battery shifter of multiple battery systems, by main positive catalyst, preliminary filling catalyst and multiple master
The cooperation of negative catalyst can simply and easily carry out the switching between battery bag.The battery bag making multiple different qualities is used with,
The power supply of long mileage is provided.
The technical solution adopted in the utility model is such that
A kind of multiple battery systems battery shifter includes:
Including controller, battery bag positive pole break-make device, battery bag negative pole break-make device and n battery bag；Controller is respectively
It is connected with battery bag positive pole break-make device, battery bag negative pole break-make device；Battery bag positive pole break-make device is connected with n battery bag positive pole；
Battery bag negative pole break-make device is connected with n battery bag negative pole；All n battery bag positive poles are with battery bag positive pole break-make device concurrent even
Connect；It is powered device both positive and negative polarity to be connected with battery bag positive pole break-make device, battery bag negative pole break-make device respectively.
Further, described battery bag positive pole break-make device includes main positive derailing switch, preliminary filling switchs device and preliminary filling resistance, quilt
Electric supply installation positive pole is connected with main positive derailing switch outfan, is powered device positive pole simultaneously and passes through preliminary filling resistance and preliminary filling switchs device
Outfan connects, main positive derailing switch input, preliminary filling switchs device input, the first battery bag positive pole and the second battery bag positive pole
For electrical connection；Controller first control end, the second control end are corresponding respectively to be controlled with the positive derailing switch control end of master, preliminary filling switchs device
End connects；Described battery bag negative pole break-make device includes n master and bears derailing switch, and controller the 3rd control end is divided to the n-th+2 control end
Derailing switch control end Dui Ying not born with n master to be connected;N master bears catalyst input and corresponds to respectively with n battery bag negative pole even
Connect；N master bears derailing switch outfan and is connected with being powered device negative pole concurrent.
Further, described preliminary filling resistance and the magnitude of voltage v relation of any battery bag are: vt=v * [1-exp (-
t/rc)]；Wherein t is the charging interval, and r is the resistance value being electrically charged device, and c is the capacitance being powered device, when vt is to charge
Between the magnitude of voltage being powered device after t.
Further, described when main negative derailing switch, main positive derailing switch and preliminary filling switchs device are all catalyst, main negative opens
Closing device control end, main positive derailing switch control end and preliminary filling switchs device control end is all catalyst control end；Main negative derailing switch is defeated
Entering end, main positive derailing switch input and preliminary filling switchs device input is all contact apparatus fixed contact；Main negative derailing switch outfan, master
Positive derailing switch outfan and preliminary filling switchs device outfan are all catalyst moving contacts；Battery bag positive pole break-make device is just including middle master
Catalyst, preliminary filling catalyst and preliminary filling resistance, are powered device positive pole and are connected with main positive catalyst moving contact, be powered simultaneously
Device positive pole is connected with preliminary filling catalyst moving contact by preliminary filling resistance, main positive contact apparatus fixed contact, preliminary filling contact apparatus fixed contact,
First battery bag positive pole and the second battery bag positive pole are for electrical connection；Controller first control end, the second control end correspond to respectively
It is connected with main positive catalyst control end, preliminary filling catalyst control end, controller earth terminal is connect with main positive catalyst common port, preliminary filling
Tentaculum common port concurrent connects；Battery bag negative pole break-make device includes n master and bears catalyst, and controller the 3rd control end is to the n-th+2 control
End processed corresponds to catalyst control end negative with n master respectively and is connected, and controller earth terminal and n master bear catalyst common port concurrent even
Connect；
Further, when main negative derailing switch, main positive derailing switch and preliminary filling switchs device are all mos pipe, main negative derailing switch
Control end, main positive derailing switch control end and preliminary filling switchs device control end refer to mos tube grid；Main negative derailing switch input,
Main positive derailing switch input and preliminary filling switchs device input refer to mos tube source grade；Main negative derailing switch outfan, master just switch
Device outfan and preliminary filling switchs device outfan refer to mos pipe drain；Battery bag positive pole break-make device includes the positive mos of master and manages, in advance
Fill mos pipe and preliminary filling resistance, be powered device positive pole and be connected with main positive mos pipe drain, be powered device positive pole simultaneously and pass through
Preliminary filling resistance is connected with preliminary filling mos pipe drain, main positive mos tube source grade, preliminary filling mos tube source grade, the first battery bag positive pole and the
Two battery bag positive poles are for electrical connection；Controller first control end, the second control end be corresponding respectively and main positive mos tube source grade grid,
Preliminary filling mos tube source grade gate terminal connects；Battery bag negative pole break-make device includes n master and bears mos pipe, controller the 3rd control end to n-th
+ 2 control ends are corresponding respectively to be born mos tube grid with n master and is connected, and the negative catalyst source class of n master corresponds to respectively and n battery bag is negative
Pole connects；N master bears derailing switch drain and is connected with being powered device negative pole concurrent.
Further, when main negative derailing switch, main positive derailing switch and preliminary filling switchs device are all igbt, main negative derailing switch control
End processed, main positive derailing switch control end and preliminary filling switchs device control end refer to igbt tube grid, main negative derailing switch input, master
Positive derailing switch input and preliminary filling switchs device input refer to igbt emitting stage, and main negative derailing switch outfan, master just switch
Device outfan and preliminary filling switchs device outfan refer to igbt colelctor electrode；Battery bag positive pole break-make device include master's positive igbt pipe,
Preliminary filling igbt pipe and preliminary filling resistance, are powered device positive pole and are connected with main positive igbt pipe collector, be just powered device simultaneously
Pole is connected with preliminary filling igbt pipe collector by preliminary filling resistance, main positive igbt pipe emitter stage, preliminary filling igbt pipe emitter stage, the first electricity
Pond bag positive pole and the second battery bag positive pole concurrent connect；Controller first control end, the second control end with master just correspond to respectively
Igbt tube grid, preliminary filling igbt tube grid end connect；Battery bag negative pole break-make device includes n master and bears igbt pipe, controller the 3rd
To the n-th+2 control end, corresponding igbt tube grid negative with n master is connected control end respectively, and the negative igbt pipe emitting stage of n master is right respectively
Should be connected with n battery bag negative pole；N master bears igbt pipe collector and is connected with being powered device negative pole concurrent.
In sum, due to employing technique scheme, the beneficial effects of the utility model are:
1) car load obtains bigger electricity.
2) achieve different battery cores to use with.
3) battery pack system is made to divide the advantage having different battery cores.
4) can realize filling soon having Large Copacity simultaneously.
Brief description
Fig. 1 is the structure charts when main negative derailing switch, main positive derailing switch and preliminary filling switchs device are all catalyst.
Specific embodiment
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
First, related description of the present invention:
1st, controller first control end, the second control end, the 3rd control end ... .. the n-th control end, can pass through controller
Io port send control signal realize, controller earth terminal is also grounding ports.
2nd, when main negative derailing switch, main positive derailing switch and preliminary filling switchs device are all catalyst, mos pipe or igbt
Operation principle:
It is powered device positive terminal to be connected with main positive derailing switch outfan；Be powered device negative pole end pass through preliminary filling resistance with
Preliminary filling switchs device outfan connects；N battery bag positive pole simultaneously with main positive derailing switch input, preliminary filling switchs device input concurrent
Connect, n battery bag negative pole is born derailing switch with n master and be connected respectively；Controller control end respectively with main positive derailing switch control
End processed, preliminary filling controller control end and main negative derailing switch control end.Controller control end sends when connecting signal to derailing switch,
Derailing switch input is connected with derailing switch outfan, and that is, controller controlling switch device is connected.
Embodiment one: when main negative derailing switch, main positive derailing switch and preliminary filling switchs device are all catalyst, battery bag positive pole
Break-make device includes the positive catalyst of middle master, preliminary filling catalyst and preliminary filling resistance, is powered device positive pole dynamic with main positive catalyst tactile
Head connects, and is powered device positive pole simultaneously and is connected with preliminary filling catalyst moving contact by preliminary filling resistance, main positive contact apparatus fixed contact,
Preliminary filling contact apparatus fixed contact, the first battery bag positive pole and the second battery bag positive pole are for electrical connection；Controller first control end,
Two control ends are corresponded to respectively and are connected with main positive catalyst control end, preliminary filling catalyst control end, and controller earth terminal is just connect with master
Tentaculum common port, preliminary filling catalyst common port concurrent connect；Battery bag negative pole break-make device includes n master and bears catalyst, controller
3rd control end to the n-th+2 control end corresponds to catalyst control end negative with n master respectively and is connected, and controller earth terminal is born with n master
Catalyst common port concurrent connects；Its catalyst operation principle is: coil and static contact (correspond to the 3rd of all catalysts in Fig. 1 the
Port) it is fixed, when control end (the 4th port of all catalysts in corresponding Fig. 1) and the common port (corresponding diagram of coil
5th port of all catalysts in 1) after energising, the electromagnetic force of generation overcomes the counteracting force of spring, by armature adhesive and make
Dynamic；Catalyst moving contact is contacted with contact apparatus fixed contact, thus connecting main circuit, i.e. this catalyst energising.When the coil is de-energized,
Due to electromagnetic attraction disappear, armature rely on spring counteracting force and tripping, moving contact and static contact also separate therewith, cut-out master
Circuit, i.e. this catalyst power-off.
When n is equal to 2, this device includes controller (referring to mcu), two battery bags, two masters bear catalyst and (correspond to
Master in accompanying drawing 1 bears catalyst 1 and main negative catalyst 2), main positive catalyst, preliminary filling catalyst and preliminary filling resistance；It is powered dress
Put positive pole to be connected with main positive catalyst moving contact, be powered device positive pole simultaneously and pass through preliminary filling resistance and preliminary filling catalyst moving contact
Connect, main positive contact apparatus fixed contact, preliminary filling contact apparatus fixed contact, the first battery bag positive pole and the second battery bag positive pole are for being electrically connected
Connect；Controller first control end, the second control end are corresponding respectively to be connected with the positive catalyst control end of master, preliminary filling catalyst control end
Connect, controller earth terminal is connected with main positive catalyst common port, preliminary filling catalyst common port concurrent.Controller the 3rd control end,
4th control end corresponds to negative catalyst control end main with first respectively, the second main negative catalyst control end is connected, and controller is grounded
End is connected with main negative catalyst common port concurrent；
Handoff procedure is:
The process that first battery bag is switched to the second battery bag is:
Step 11: controller controls preliminary filling catalyst, the second main negative catalyst to disconnect, and controls the first main negative catalyst (right
Answer master in accompanying drawing 1 to bear catalyst 1), the positive catalyst of master connect, then now the first battery bag is powered to being powered device, second
Battery bag is not powered to being powered device；
Step 12: controller controls main positive catalyst, the first main negative catalyst to disconnect, then the first battery bag disconnects, not right
It is powered device to power；
Step 13: controller controls the second main negative catalyst (main negative catalyst 2 in accompanying drawing 1) to connect；Controller controls pre-
Fill catalyst to disconnect, the positive catalyst of master is connected, then the first battery bag switching control to the second battery bag is so that the second battery bag pair
It is powered device to power.
The process that second battery bag is switched to the first battery bag is:
Step 21: controller controls preliminary filling catalyst negative catalyst (in corresponding Fig. 1 main negative catalyst 1) main with first to break
Open, controller controls the second main negative catalyst (master in corresponding Fig. 1 bears catalyst 2) and the positive catalyst of master to connect, now the
Two batteries 2 are powered to being powered device；
Step 22: controller controls main positive catalyst, the second main negative catalyst (master in corresponding Fig. 1 bears catalyst 2) is broken
Open, now the second battery bag (battery bag 2 in respective figure 1) disconnects,
Step 23: controller controls the first main negative catalyst (main negative catalyst 1 in corresponding Fig. 1) and preliminary filling catalyst to connect
Logical, then controller controls pre- negative catalyst to disconnect, and leads positive catalyst simultaneously and connects, then the second battery bag (battery bag in accompanying drawing 1
2) switching control is to the first battery bag (battery bag 1 in respective figure 1).
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (7)
1. a kind of multiple battery systems battery shifter is it is characterised in that include controller, battery bag positive pole break-make device, battery bag
Negative pole break-make device and n battery bag；Controller is connected with battery bag positive pole break-make device, battery bag negative pole break-make device respectively；Electricity
Pond bag positive pole break-make device is connected with n battery bag positive pole；Battery bag negative pole break-make device is connected with n battery bag negative pole；All n
Battery bag positive pole is connected with battery bag positive pole break-make device concurrent；Be powered device both positive and negative polarity respectively with battery bag positive pole break-make device,
Battery bag negative pole break-make device connects.
2. a kind of multiple battery systems battery shifter according to claim 1 is it is characterised in that described battery bag positive pole
Break-make device includes main positive derailing switch, preliminary filling switchs device and preliminary filling resistance, is powered device positive pole and main positive derailing switch outfan
Connect, be powered device positive pole simultaneously and be connected with preliminary filling switchs device outfan by preliminary filling resistance, lead positive derailing switch input, in advance
Fill derailing switch input, the first battery bag positive pole and the second battery bag positive pole for electrical connection；Controller first control end, second
Control end is corresponded to respectively and is connected with main positive derailing switch control end, preliminary filling switchs device control end.
3. a kind of multiple battery systems battery shifter according to claim 2 is it is characterised in that described battery bag negative pole
Break-make device includes n master and bears derailing switch, and controller the 3rd control end to the n-th+2 control end is corresponding respectively to bear derailing switch with n master
Control end connects;N master bears catalyst input, and correspondence is connected with n battery bag negative pole respectively；N master bears derailing switch outfan
It is connected with being powered device negative pole concurrent.
4. a kind of multiple battery systems battery shifter according to claim 2 is it is characterised in that described preliminary filling resistance hinders
Value with the magnitude of voltage v relation of any battery bag is: vt=v * [1-exp (- t/rc)]；Wherein t is the charging interval;R is to be filled
The resistance value of electric installation；C is the capacitance being powered device, and vt is the magnitude of voltage being powered device after charging interval t.
5. a kind of multiple battery systems battery shifter according to claim 3 is it is characterised in that bear derailing switch, master when main
When positive derailing switch and preliminary filling switchs device are all catalyst, then battery bag positive pole break-make device includes main positive catalyst, preliminary filling contact
Device and preliminary filling resistance, battery bag negative pole break-make device includes n master and bears catalyst；Main negative derailing switch control end, main positive derailing switch
Control end and preliminary filling switchs device control end refer to catalyst control end；Main negative derailing switch input, master's positive derailing switch input
End and preliminary filling switchs device input refer to contact apparatus fixed contact；Main negative derailing switch outfan, main positive derailing switch outfan with
And preliminary filling switchs device outfan refers to catalyst moving contact；It is powered device positive pole to be connected with main positive catalyst moving contact, with
When be powered device positive pole and be connected with preliminary filling catalyst moving contact by preliminary filling resistance, main positive contact apparatus fixed contact, preliminary filling contact
Device static contact, the first battery bag positive pole and the second battery bag positive pole are for electrical connection；Controller first control end, the second control end
Correspond to respectively and be connected with main positive catalyst control end, preliminary filling catalyst control end, controller earth terminal is public with main positive catalyst
End, preliminary filling catalyst common port concurrent connect；Controller the 3rd control end is corresponded to respectively to be born with n master to the n-th+2 control end and contacts
Device control end connects, and controller earth terminal is born catalyst common port concurrent with n master and is connected.
6. a kind of multiple battery systems battery shifter according to claim 3 is it is characterised in that bear derailing switch, master when main
When positive derailing switch and preliminary filling switchs device are all mos pipes, then battery bag positive pole break-make device include master's positive mos pipe, preliminary filling mos pipe with
And preliminary filling resistance, battery bag negative pole break-make device include n master bear mos pipe；Main negative derailing switch control end, main positive derailing switch control end
And preliminary filling switchs device control end refers to mos tube grid；Main negative derailing switch input, main positive derailing switch input and preliminary filling
Derailing switch input refers to mos tube source grade；Main negative derailing switch outfan, main positive derailing switch outfan and preliminary filling switchs device are defeated
Go out end and refer to mos pipe drain；It is powered device positive pole to be connected with main positive mos pipe drain, be powered device positive pole simultaneously and pass through
Preliminary filling resistance is connected with preliminary filling mos pipe drain, main positive mos tube source grade, preliminary filling mos tube source grade, the first battery bag positive pole and the
Two battery bag positive poles are for electrical connection；Controller first control end, the second control end be corresponding respectively and main positive mos tube source grade grid,
Preliminary filling mos tube source grade gate terminal connects；Controller the 3rd control end bears mos pipe grid to the n-th+2 control end is corresponding respectively with n master
Pole connects, and n master bears catalyst source class, and correspondence is connected with n battery bag negative pole respectively；N master bears derailing switch drain and is powered
Device negative pole concurrent connects.
7. a kind of multiple battery systems battery shifter according to claim 3 is it is characterised in that bear derailing switch, master when main
When positive derailing switch and preliminary filling switchs device are all igbt, then battery bag positive pole break-make device includes master's positive igbt pipe, preliminary filling igbt pipe
And preliminary filling resistance, battery bag negative pole break-make device include n master bear igbt pipe；Main negative derailing switch control end, main positive derailing switch control
End processed and preliminary filling switchs device control end refer to igbt tube grid, main negative derailing switch input, main positive derailing switch input with
And preliminary filling switchs device input refers to igbt emitting stage, main negative derailing switch outfan, main positive derailing switch outfan and preliminary filling
Derailing switch outfan refers to igbt colelctor electrode；It is powered device positive pole to be connected with main positive igbt pipe collector, be powered simultaneously
Device positive pole is connected with preliminary filling igbt pipe collector by preliminary filling resistance, main positive igbt pipe emitter stage, preliminary filling igbt pipe emitter stage,
First battery bag positive pole and the second battery bag positive pole concurrent connect；Controller first control end, the second control end correspond to respectively
It is connected with main positive igbt tube grid, preliminary filling igbt tube grid end；Controller the 3rd control end to the n-th+2 control end respectively corresponding with
N master bears igbt tube grid and connects, and n master bears igbt pipe emitting stage, and correspondence is connected with n battery bag negative pole respectively；N master bears
Igbt pipe collector is connected with being powered device negative pole concurrent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620823481.0U CN205921048U (en) | 2016-08-02 | 2016-08-02 | Battery auto -change over device of many batteries system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620823481.0U CN205921048U (en) | 2016-08-02 | 2016-08-02 | Battery auto -change over device of many batteries system |
Publications (1)
| Publication Number | Publication Date |
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| CN205921048U true CN205921048U (en) | 2017-02-01 |
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ID=57870158
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620823481.0U Active CN205921048U (en) | 2016-08-02 | 2016-08-02 | Battery auto -change over device of many batteries system |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025406A (en) * | 2016-08-02 | 2016-10-12 | 威马中德汽车科技成都有限公司 | Battery switching device and method of multi-battery system |
-
2016
- 2016-08-02 CN CN201620823481.0U patent/CN205921048U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025406A (en) * | 2016-08-02 | 2016-10-12 | 威马中德汽车科技成都有限公司 | Battery switching device and method of multi-battery system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee after: Weimar Automobile Technology Group Co.,Ltd. Address before: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee before: WM MOTOR TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190708 Granted publication date: 20170201 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210708 Granted publication date: 20170201 |
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| PD01 | Discharge of preservation of patent | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240130 Address after: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Country or region after: China Patentee after: ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHENGDU GAOYUAN AUTOMOBILE INDUSTRY Co.,Ltd. Address before: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee before: Weimar Automobile Technology Group Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |