CN111884300A - Energy storage generator set based on new energy automobile retired electric drive system and power generation method - Google Patents
Energy storage generator set based on new energy automobile retired electric drive system and power generation method Download PDFInfo
- Publication number
- CN111884300A CN111884300A CN202010813849.6A CN202010813849A CN111884300A CN 111884300 A CN111884300 A CN 111884300A CN 202010813849 A CN202010813849 A CN 202010813849A CN 111884300 A CN111884300 A CN 111884300A
- Authority
- CN
- China
- Prior art keywords
- drive system
- electric drive
- generator set
- retired
- energy storage
- 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.)
- Pending
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 35
- 238000010248 power generation Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 12
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1423—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/20—Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an energy storage generator set based on a new energy automobile retired electric drive system and a power generation method, wherein the energy storage generator set comprises the following components: a retired electric drive system of the new energy automobile; the intermittent energy source power generation assembly is electrically connected with a charger in the retired electric drive system through an inverter; and the generator of the generator set is coaxially connected with the permanent magnet synchronous motor in the retired electric drive system, and the generator set is in communication connection with the motor drive controller in the retired electric drive system. The generator set is formed by the retired electric drive system of the new energy automobile, the complete set of reuse of the retired electric drive system of the new energy automobile is achieved, the cost of the generator set is greatly reduced, a new selection mode is provided for electroless areas and emergency power supply, the service life of resources is prolonged, and the concept of 'cyclic utilization and green development' advocated by the state is met.
Description
Technical Field
The invention belongs to the technical field of resource regeneration, and particularly relates to an energy storage generator set based on a new energy automobile retired electric drive system and a power generation method.
Background
At present, the new energy automobile has rapid technical development, a great technical breakthrough is made in about three years, the actual service life of 15 kilometers is eliminated and scrapped, and the main part systems are electric drive systems (mainly comprising a power battery pack, a motor drive controller, a permanent magnet synchronous motor and the like) and still have use values. The value of the parts can be embodied only by applying the parts, otherwise, the parts are still a pile of waste materials, most of the traditional recycling modes are that the parts are applied separately, and when the parts are applied respectively, the functions of the retired motor drive controller are cured and are not suitable for disassembly, so that the motor drive controller is difficult to recycle; the permanent magnet synchronous motor is specially manufactured for automobiles, can be used only by a matched controller, and is difficult to realize reutilization; only the technical route applied by the retired battery pack is simple and clear, and is a main part recycled in the current market, so that other retired parts in the retired driving system basically become industrial garbage except the power battery pack, cannot be recycled, cost is required for treatment, and burden is increased for enterprises and society.
Disclosure of Invention
The invention provides an energy storage generator set based on a new energy automobile retired electric drive system.
The invention is realized in this way, an energy storage generator set based on a new energy automobile retired electric drive system, the energy storage generator set includes:
a retired electric drive system of the new energy automobile;
the intermittent energy source power generation assembly is electrically connected with a charger in the retired electric drive system through an inverter;
and the generator of the generator set is coaxially connected with the permanent magnet synchronous motor in the retired electric drive system, and the generator set is in communication connection with the motor drive controller in the retired electric drive system.
Furthermore, the intermittent energy source power generation assembly is a wind power generation assembly or a solar power generation assembly.
Further, the decommissioned electric drive system is a decommissioned electric drive system, and the electric drive system includes:
the device comprises a power battery pack, a motor drive controller, a permanent magnet synchronous motor and a charger, wherein the power battery pack is in communication connection with the motor drive controller, the power battery pack is electrically connected with the motor drive controller, the motor drive controller is electrically connected with the permanent magnet synchronous motor, and the charger is electrically connected with the power battery pack.
Furthermore, the solar power generation assembly comprises a photovoltaic panel, and the photovoltaic panel is electrically connected with a charger in the retired electric drive system through a photovoltaic inverter.
Further, the energy storage generator set further includes:
the virtual accelerator is in communication connection with a motor drive controller in the retired electric drive system, and the output frequency of the motor drive controller controlled by the virtual accelerator is the power grid frequency.
Further, the virtual throttle includes:
STM32 microprocessor, the I/O interface among the STM32 microprocessor is connected with start unit, stop unit, frequency fine setting unit respectively, and wherein, start unit is used for starting energy storage generating set, stop the unit and be used for stopping energy storage generating set, frequency fine setting unit are used for finely tuning the output frequency of virtual throttle.
The invention discloses an energy storage and power generation method based on a new energy automobile retired electric drive system, which comprises the following steps:
the motor driving controller inverts the direct current electric energy of the power battery pack into alternating current electric energy, outputs alternating current at a fixed frequency, simultaneously drives the synchronous permanent magnet motor to rotate at a fixed rotating speed, the permanent magnet synchronous motor drives the generator to synchronously rotate, and the generator set outputs stable voltage;
the intermittent energy source power generation assembly charges the power battery pack.
Further, the output frequency of the motor drive controller is controlled to be the power grid frequency through the virtual accelerator, or the control mode of the motor drive controller is set to be fixed frequency control, and the electric energy is output according to the power grid frequency.
The energy storage generator set based on the new energy automobile retired electric drive system has the following beneficial technical effects:
1) the generator set is formed by the retired electric drive system of the new energy automobile, the complete set of reuse of the retired electric drive system of the new energy automobile is realized, the cost of the generator set is greatly reduced, a new selection mode is provided for electroless areas and emergency power supply, the service life of resources is prolonged, and the concept of 'cyclic utilization and green development' advocated by the state is met;
2) the rotating speed of the permanent magnet synchronous motor always tracks the rotating speed of the generator, so that the electric energy generated by the generator set meets the voltage (380V) and the frequency (50Hz) specified by the national standard.
Drawings
Fig. 1 is a schematic structural diagram of an electric drive system of an existing new energy vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an energy storage generator set based on a retired electric drive system of a new energy vehicle according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an energy storage generator set based on a new energy vehicle retired electric drive system according to a second embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.
Fig. 1 is a schematic structural diagram of an electric drive system of an existing new energy vehicle according to an embodiment of the present invention, and for convenience of description, only parts related to the present invention are shown.
This new energy automobile's electric drive system includes:
the vehicle-mounted power battery pack comprises a power battery pack, a motor drive controller, a permanent magnet synchronous motor and a charger, wherein the power battery pack is in communication connection with the motor drive controller, the power battery pack is electrically connected with the motor drive controller, the motor drive controller is electrically connected with the permanent magnet synchronous motor, and the permanent magnet synchronous motor is used for driving vehicle wheels;
the charging machine is electrically connected with the power battery pack, and the charging pile charges the power battery pack through the charging machine.
The charging pile charges the battery pack through the charger, and the motor drive controller inverts the direct current electric energy of the battery pack into alternating current electric energy to drive the synchronous permanent magnet motor to drive the wheels to rotate, so that the purpose of driving the vehicle to run is achieved.
Fig. 2 is a schematic structural diagram of an energy storage generator set based on a retired electric drive system of a new energy vehicle according to an embodiment of the present invention, and for convenience of description, only parts related to the embodiment of the present invention are shown.
This light stores up generating set includes:
a retired electric drive system of the new energy automobile;
the intermittent energy source power generation assembly is electrically connected with a charger in the retired electric drive system through an inverter;
and the generator of the generator set is coaxially connected with the permanent magnet synchronous motor in the retired electric drive system, and the generator set is in communication connection with the motor drive controller in the retired electric drive system.
In the embodiment of the invention, the intermittent energy source power generation assembly can be a wind power generation assembly or a solar power generation assembly, wherein the solar power generation assembly comprises a photovoltaic panel, and the photovoltaic panel is electrically connected with a charger in the retired electric drive system through a photovoltaic inverter.
In the embodiment of the invention, the power battery pack is composed of a plurality of single battery cells and a battery management system BMS in communication connection with the single battery cells, and the battery management system BMS is in communication connection with the motor drive controller CAN.
The intermittent energy source power generation assembly converts intermittent energy sources (such as solar energy or wind energy) into electric energy, direct current electric energy generated by the intermittent energy source power generation assembly is converted into 220V alternating current through the inverter, the power battery pack is charged through the charger, the motor drive controller is modified into fixed frequency control, the direct current electric energy of the power battery pack is inverted into alternating current electric energy through the motor drive controller, the alternating current electric energy is output at fixed frequency (50Hz), meanwhile, the synchronous permanent magnet motor is driven to rotate at a constant speed, the permanent magnet synchronous motor drives the generator to rotate synchronously, and the generator set outputs stable voltage.
Fig. 3 is a schematic structural diagram of an energy storage generator set based on a retired electric drive system of a new energy vehicle according to a second embodiment of the present invention, and for convenience of description, only parts related to the second embodiment of the present invention are shown.
On the basis of the energy storage generator set based on the electric drive system of the new energy automobile retired, the energy storage generator set further comprises:
virtual throttle, virtual throttle is connected with the motor drive controller communication among the electric drive system of retirement, and virtual throttle control motor drive controller's output frequency is the grid frequency, and wherein virtual throttle includes:
the system comprises an STM32 microprocessor, wherein an I/O interface in the STM32 microprocessor is respectively connected with a starting unit, a stopping unit and a frequency fine-tuning unit, wherein the starting unit is used for starting the energy storage generator set, the stopping unit is used for stopping the energy storage generator set, and the frequency fine-tuning unit is used for finely tuning the output frequency of the virtual accelerator;
in an embodiment of the present invention, the frequency fine tuning unit includes: the frequency fine adjustment + subunit is used for increasing the output frequency of the energy storage generator set, and the frequency fine adjustment-subunit is used for reducing the output frequency of the energy storage generator set.
The STM32 microprocessor is used as a controller of a virtual throttle, and the STM32 is a 32-bit microprocessor integrated circuit, and the core of the integrated circuit is an Arm Cortex architecture. In particular, the embedded CAN interface is very suitable for being directly connected with the motor driving controller without an additional interface.
The intermittent energy source power generation assembly converts intermittent energy sources (such as solar energy or wind energy) into electric energy, the inverter converts direct current electric energy generated by the intermittent energy source power generation assembly into 220V alternating current, the charger charges the power battery pack, the motor drive controller inverts the direct current electric energy of the power battery pack into alternating current electric energy, the virtual accelerator controls the motor drive controller to output alternating current at the frequency of a power grid to drive the synchronous permanent magnet motor to rotate at a constant speed, the permanent magnet synchronous motor drives the generator to synchronously rotate, and the generator set outputs stable voltage.
The energy storage generator set based on the new energy automobile retired electric drive system has the following beneficial technical effects:
1) the generator set is formed by the retired electric drive system of the new energy automobile, the complete set of reuse of the retired electric drive system of the new energy automobile is realized, the cost of the generator set is greatly reduced, a new selection mode is provided for electroless areas and emergency power supply, the service life of resources is prolonged, and the concept of 'cyclic utilization and green development' advocated by the state is met;
2) the rotating speed of the permanent magnet synchronous motor always tracks the rotating speed of the generator, so that the electric energy generated by the generator set meets the voltage (380V) and the frequency (50Hz) specified by the national standard.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (8)
1. An energy storage generating set based on new energy automobile electric drive system that retires, its characterized in that, energy storage generating set includes:
a retired electric drive system of the new energy automobile;
the intermittent energy source power generation assembly is electrically connected with a charger in the retired electric drive system through an inverter;
and the generator of the generator set is coaxially connected with the permanent magnet synchronous motor in the retired electric drive system, and the generator set is in communication connection with the motor drive controller in the retired electric drive system.
2. The energy storage generator set based on the retired electric drive system of the new energy automobile as claimed in claim 1, wherein the intermittent energy power generation component is a wind power generation component or a solar power generation component.
3. The energy storage generator set based on the retired electric drive system of the new energy automobile as claimed in claim 1, wherein the retired electric drive system is a retired electric drive system, and the electric drive system comprises:
the device comprises a power battery pack, a motor drive controller, a permanent magnet synchronous motor and a charger, wherein the power battery pack is in communication connection with the motor drive controller, the power battery pack is electrically connected with the motor drive controller, the motor drive controller is electrically connected with the permanent magnet synchronous motor, and the charger is electrically connected with the power battery pack.
4. The energy storage generator set based on the retired electric drive system of the new energy automobile as claimed in claim 2, wherein the solar power generation assembly comprises a photovoltaic panel, and the photovoltaic panel is electrically connected with a charger in the retired electric drive system through a photovoltaic inverter.
5. The energy storage generator set based on the retired electric drive system of new energy automobile as claimed in any one of claims 1 to 4, further comprising:
the virtual accelerator is in communication connection with a motor drive controller in the retired electric drive system, and the output frequency of the motor drive controller controlled by the virtual accelerator is the power grid frequency.
6. The energy storage generator set based on the electric drive system out of service of the new energy automobile as claimed in claim 5, wherein the virtual throttle comprises:
STM32 microprocessor, the I/O interface among the STM32 microprocessor is connected with start unit, stop unit, frequency fine setting unit respectively, and wherein, start unit is used for starting energy storage generating set, stop the unit and be used for stopping energy storage generating set, frequency fine setting unit are used for finely tuning the output frequency of virtual throttle.
7. The method for generating power based on the energy storage generator set of the electric drive system out of service of the new energy automobile according to any one of claims 1 to 6, characterized in that the method specifically comprises the following steps:
the motor driving controller inverts the direct current electric energy of the power battery pack into alternating current electric energy, outputs alternating current at a fixed frequency, simultaneously drives the synchronous permanent magnet motor to rotate at a fixed rotating speed, the permanent magnet synchronous motor drives the generator to synchronously rotate, and the generator set outputs stable voltage;
the intermittent energy source power generation assembly charges the power battery pack.
8. The method for generating power by using the energy storage generator set based on the retired electric drive system of the new energy automobile as claimed in claim 7, wherein the output frequency of the motor drive controller is controlled to be the grid frequency through the virtual throttle, or the control mode of the motor drive controller is set to be fixed frequency control, and the output of the electric energy is performed at the grid frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010813849.6A CN111884300A (en) | 2020-08-13 | 2020-08-13 | Energy storage generator set based on new energy automobile retired electric drive system and power generation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010813849.6A CN111884300A (en) | 2020-08-13 | 2020-08-13 | Energy storage generator set based on new energy automobile retired electric drive system and power generation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111884300A true CN111884300A (en) | 2020-11-03 |
Family
ID=73202672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010813849.6A Pending CN111884300A (en) | 2020-08-13 | 2020-08-13 | Energy storage generator set based on new energy automobile retired electric drive system and power generation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111884300A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653240A (en) * | 2012-04-23 | 2012-09-05 | 华中科技大学 | Electromobile hybrid battery-driven system |
| CN108407639A (en) * | 2018-03-06 | 2018-08-17 | 北京新能源汽车股份有限公司 | Charging device and method |
| CN212849915U (en) * | 2020-08-13 | 2021-03-30 | 安徽瑞赛克再生资源技术股份有限公司 | Energy storage generating set based on new energy automobile retired electric drive system |
-
2020
- 2020-08-13 CN CN202010813849.6A patent/CN111884300A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653240A (en) * | 2012-04-23 | 2012-09-05 | 华中科技大学 | Electromobile hybrid battery-driven system |
| CN108407639A (en) * | 2018-03-06 | 2018-08-17 | 北京新能源汽车股份有限公司 | Charging device and method |
| CN212849915U (en) * | 2020-08-13 | 2021-03-30 | 安徽瑞赛克再生资源技术股份有限公司 | Energy storage generating set based on new energy automobile retired electric drive system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106985653B (en) | Vehicle compound energy feed system and method, compound energy automobile | |
| CN112590759B (en) | Drive-by-wire and brake coordination control method for hybrid electric vehicle | |
| CN104228823A (en) | Hybrid vehicle and control method and system thereof | |
| CN104627015A (en) | Energy management system of new type fuel cell hybrid electric vehicle | |
| CN113270935B (en) | Solar charging control method for electric automobile | |
| CN105253028A (en) | Control method and device for hybrid power supply stroke-adding type electric vehicle | |
| CN109334472A (en) | A kind of electric car increases journey power supply system and control method, increases journey electric car | |
| CN206202005U (en) | A kind of dynamical system for pure electric vehicle | |
| CN212849915U (en) | Energy storage generating set based on new energy automobile retired electric drive system | |
| CN205113038U (en) | Composite power source increases controlling means of form electric motor car | |
| CN203697984U (en) | Range extender system used for electromobile | |
| CN111884299A (en) | Off-grid energy storage system and energy storage method based on main components of retired new energy automobile | |
| CN212849916U (en) | Off-grid energy storage system based on main components of retired new energy automobile | |
| CN111884300A (en) | Energy storage generator set based on new energy automobile retired electric drive system and power generation method | |
| CN103280946A (en) | Sustainable self-cycle power generation system and system technology application | |
| CN208359938U (en) | A kind of electric vehicle with high course continuation mileage | |
| CN202068226U (en) | Charging and discharging tool device for super capacitor | |
| CN108407632A (en) | Fuel Cell Vehicle Powertrain based on integrated double-winding motor controller | |
| CN103978907A (en) | Automatic generating and charging energy-saving system for new energy electric vehicle and manufacturing method thereof | |
| CN211493673U (en) | Power generation system for electric automobile | |
| CN203844620U (en) | Electric car brake energy feedback control device | |
| CN105383280A (en) | Hybrid power system for mini electric car and control method of hybrid power system | |
| CN201538237U (en) | Electric motor car which automatically generate | |
| CN103204068B (en) | There is the battery-driven car self-charging method of permanent-magnetic brush-less DC electrical generator | |
| CN204517472U (en) | Charging system for electric automobile containing multiple centralized device for converting electric energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211117 Address after: 241000 rooms A206 and 207, complex building, 38 Yinhu North Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Applicant after: WUHU WANJIANG INTELLECTUAL PROPERTY OPERATION CENTER Co.,Ltd. Address before: 241000 Anhui Wuhu economic and Technological Development Zone, Changchun Road, No. 8 generator transformer joint factory Applicant before: ANHUI RUISAIKE RENEWABLE RESOURCE TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230425 Address after: 241200 Fanchang Economic Development Zone, Wuhu City, Anhui Province Applicant after: Anhui Jiaqi Energy Technology Co.,Ltd. Address before: 241000 rooms A206 and 207, complex building, 38 Yinhu North Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Applicant before: WUHU WANJIANG INTELLECTUAL PROPERTY OPERATION CENTER Co.,Ltd. |