CN111038333A - Method and system for charging storage battery of new energy automobile - Google Patents
Method and system for charging storage battery of new energy automobile Download PDFInfo
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- CN111038333A CN111038333A CN201911357534.9A CN201911357534A CN111038333A CN 111038333 A CN111038333 A CN 111038333A CN 201911357534 A CN201911357534 A CN 201911357534A CN 111038333 A CN111038333 A CN 111038333A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a method and a system for charging a storage battery of a new energy automobile, and relates to the field of vehicles. The method for charging the new energy automobile storage battery comprises the steps of firstly detecting working state information of a vehicle and electric quantity states of the storage battery, wherein the working state information comprises a connection state with an external power supply, a driving motor working state, a range extender state and a power battery state, and then controlling a charging module to charge the storage battery of the vehicle according to the working state information of the vehicle and the electric quantity states of the storage battery, wherein the charging module comprises the external power supply, the driving motor, the range extender and the power battery. The invention can charge the storage battery by adopting different charging modes according to the working state of the vehicle and the electric quantity of the storage battery, thereby achieving the purposes of improving the fuel economy of the whole vehicle, ensuring that the storage battery is in the optimal electric balance state and prolonging the service life of the storage battery.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a method and a system for charging a storage battery of a new energy automobile.
Background
At present, most of DCDC control methods used by automobiles determine charging requirements according to the voltage of a storage battery, that is, the charging time is only related to the voltage of the storage battery, and the DCDC is not subjected to economic intelligent control.
Regarding a DCDC conversion system and a control method for an automobile, in the prior art, one is to adjust an output voltage of a dc converter in real time according to a current temperature and a remaining power of a storage battery, so that the output voltage of the dc converter meets charging requirements of the storage battery in different scenes. The other is to construct a control system for realizing high-voltage power-on and pre-charging through DCDC, and after the low-voltage power-on of the energy storage unit is completed, the energy storage unit is controlled to start high-voltage power-on; the vehicle control unit controls the bidirectional DCDC output voltage so as to control the charging of the storage battery.
The existing technical scheme is only to control the terminal voltage of the storage battery, control the electric quantity of the storage battery in a small range, do not fully utilize the electric quantity of the storage battery, can have the characteristic of a large application range, do not consider different working states and possible charging modes of the new energy automobile, and can reduce the fuel economy of the whole automobile by controlling the charging mode of the storage battery.
Disclosure of Invention
The invention aims to provide a method for charging a storage battery of a new energy automobile, which solves the problem that the fuel economy of the whole automobile is low because the storage battery cannot be charged according to different working states of the automobile in the prior art.
It is a further object of the first aspect of the invention to reduce development costs.
The invention aims to provide a system for charging a storage battery of a new energy automobile.
According to the purpose of the first aspect of the invention, the invention provides a method for charging a storage battery of a new energy automobile, which comprises the following steps:
detecting working state information of a vehicle and an electric quantity state of a storage battery, wherein the working state information comprises a connection state with an external power supply, a driving motor working state, a range extender state and a power battery state;
and controlling a charging module to charge the storage battery of the vehicle according to the working state information of the vehicle and the electric quantity state of the storage battery, wherein the charging module comprises the external power supply, a driving motor, a range extender and a power battery.
Optionally, controlling a charging module to charge a storage battery of the vehicle according to the operating state information of the vehicle and the state of charge of the storage battery includes:
and when the fact that the vehicle is in a connection state with the external power supply and the electric quantity of the storage battery is lower than a first preset threshold electric quantity is detected, the external power supply is controlled to charge the storage battery through the DCDC conversion module.
Optionally, controlling a charging module to charge a storage battery of the vehicle according to the operating state information of the vehicle and the state of charge of the storage battery includes:
and when the vehicle is detected to be in a driving motor working state, controlling the driving motor to generate power and charging the storage battery through the DCDC conversion module.
Optionally, controlling a charging module to charge a storage battery of the vehicle according to the operating state information of the vehicle and the state of charge of the storage battery includes:
when the fact that the vehicle is in a range extender state, the electric quantity of the power battery is in a reduction state and the electric quantity of the storage battery is lower than a second preset threshold electric quantity is detected, the range extender is controlled to charge the storage battery through the DCDC conversion module, wherein the second preset threshold electric quantity is smaller than the first preset threshold electric quantity;
and when the fact that the vehicle is in a range extender state and the electric quantity of the power battery is not reduced is detected, the range extender is controlled to charge the storage battery through the DCDC conversion module.
Optionally, controlling a charging module to charge a storage battery of the vehicle according to the operating state information of the vehicle and the state of charge of the storage battery includes:
and when the electric quantity of the storage battery is detected to be lower than a third preset threshold electric quantity, controlling the power battery to charge the storage battery through the DCDC conversion module, wherein the third preset threshold electric quantity is smaller than the second preset threshold electric quantity.
According to the purpose of the second aspect of the invention, the invention also provides a system for charging the storage battery of the new energy automobile, which comprises the storage battery, a control module and a charging module, wherein,
the control module is connected with the storage battery and the charging module and is used for detecting working state information of a vehicle and electric quantity state of the storage battery and controlling the charging module to charge the storage battery of the vehicle according to the working state information of the vehicle and the electric quantity state of the storage battery, wherein the working state information comprises a connection state with an external power supply, a working state of a driving motor, a state of a range extender and a state of a power battery, and the charging module comprises an external power supply, a driving motor, a range extender and a power battery;
the charging module is connected with the storage battery.
Optionally, the method further comprises:
the DCDC conversion module is connected with the charging module, the control module and the storage battery and is used for converting the high voltage of the charging module into the low voltage under the control of the control module and outputting the low voltage to the storage battery;
the control module is configured to control the external power supply to charge the storage battery through the DCDC conversion module when the vehicle is detected to be in a connection state with the external power supply and the electric quantity of the storage battery is lower than a first preset threshold electric quantity.
Optionally, the control module is further configured to control the driving motor to generate power and charge the storage battery through the DCDC conversion module when the vehicle is detected to be in the driving motor working state.
Optionally, the control module is configured to control the range extender to charge the storage battery through the DCDC conversion module when it is detected that the vehicle is in a range extender state, the electric quantity of the power battery is in a reduced state, and the electric quantity of the storage battery is lower than a second preset threshold electric quantity, where the second preset threshold electric quantity is smaller than the first preset threshold electric quantity;
the control module is further configured to control the range extender to charge the storage battery through the DCDC conversion module when the vehicle is detected to be in the range extender state and the electric quantity of the power battery is not reduced.
Optionally, the control module is configured to control the power battery to charge the storage battery through the DCDC conversion module when it is detected that the electric quantity of the storage battery is lower than a third preset threshold electric quantity, where the third preset threshold electric quantity is smaller than the second preset threshold electric quantity.
The method comprises the steps of detecting working state information of a vehicle and the electric quantity state of a storage battery, wherein the working state information comprises the connection state with an external power supply, the working state of a driving motor, the state of a range extender and the state of a power battery, and then controlling a charging module to charge the storage battery of the vehicle according to the working state information of the vehicle and the electric quantity state of the storage battery, wherein the charging module comprises the external power supply, the driving motor, the range extender and the power battery. The invention can charge the storage battery by adopting different charging modes according to the working state of the vehicle and the electric quantity of the storage battery, can improve the fuel economy of the whole vehicle, achieves the optimal electric balance state and prolongs the service life of the storage battery.
The charging system of the storage battery basically utilizes the existing module in the vehicle, can achieve the effect of improving the fuel economy of the whole vehicle by changing the circuit and setting the program, and has low development cost, simplicity and easy realization.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic flow chart of a method of charging a battery of a new energy vehicle according to an embodiment of the invention;
FIG. 2 is a schematic flow chart of a method for charging a battery of a new energy vehicle according to another embodiment of the invention;
FIG. 3 is a schematic structural diagram of a system for charging a battery of a new energy vehicle according to one embodiment of the invention;
FIG. 4 is a schematic state diagram of the charge of the storage battery in the system for charging the storage battery of the new energy automobile shown in FIG. 3;
fig. 5 is a schematic configuration diagram of a system for charging a battery of a new energy vehicle according to another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Fig. 1 is a schematic flow chart of a method for charging a battery of a new energy vehicle according to an embodiment of the invention. As shown in fig. 1, in a specific embodiment, the method for charging the battery of the new energy vehicle may generally include the following steps:
s10, detecting the working state information of the vehicle and the electric quantity state of the storage battery, wherein the working state information comprises the connection state with an external power supply, the working state of a driving motor, the state of a range extender and the state of a power battery;
and S20, controlling the charging module to charge the storage battery of the vehicle according to the working state information of the vehicle and the electric quantity state of the storage battery, wherein the charging module comprises an external power supply, a driving motor, a range extender and a power battery.
The invention can charge the storage battery by adopting different charging modes according to the working state of the vehicle and the electric quantity of the storage battery, can improve the fuel economy of the whole vehicle, achieves the optimal electric balance state and prolongs the service life of the storage battery.
Fig. 2 is a schematic flow chart of a method for charging a battery of a new energy vehicle according to another embodiment of the invention. As shown in fig. 2 and referring to fig. 1, in another embodiment, the method for charging the battery of the new energy automobile comprises the following steps:
the method comprises the following steps: detecting whether the vehicle is in a state of being connected with an external power supply, and if so, performing a second step; if not, performing the third step;
step two: judging whether the electric quantity of the storage battery is lower than a first preset threshold electric quantity, if so, controlling an external power supply to charge the storage battery through a DCDC conversion module; if not, ending;
step three: detecting whether the vehicle is in a driving motor working state, if so, controlling the driving motor to generate power and charging the storage battery through the DCDC conversion module, specifically, the vehicle drives the driving motor to rotate when braking, the driving motor is in a power generation state, and the generated electric energy charges the storage battery through the driving motor controller and the DCDC conversion module to realize energy recovery; if not, performing the fourth step;
step four: detecting whether the vehicle is in a range extender state, and if so, performing a fifth step; if not, performing the seventh step;
step five: detecting whether the electric quantity of the power battery is reduced, if so, performing a sixth step, and if not, controlling the range extender to charge the storage battery through the DCDC conversion module;
step six: judging whether the electric quantity of the storage battery is lower than a second preset threshold electric quantity, if so, controlling the range extender to charge the storage battery through the DCDC conversion module; if not, ending;
step seven: judging whether the electric quantity of the storage battery is lower than a third preset threshold electric quantity, if so, controlling the power battery to charge the storage battery through the DCDC conversion module; if not, the process is ended.
Fig. 3 is a schematic structural diagram of a system for charging a battery of a new energy vehicle according to an embodiment of the present invention, fig. 4 is a schematic state diagram of the charge amount of the battery in the system for charging a battery of a new energy vehicle shown in fig. 3, and fig. 5 is a schematic structural diagram of a system for charging a battery of a new energy vehicle according to another embodiment of the present invention. As shown in fig. 3-5, in a specific embodiment, the system for charging the accumulator 2 generally comprises a charging module 1, the accumulator 2 and a control module 3 connected in series. Wherein, control module 3 still links to each other with charging module 1, and control module 3 is used for detecting the operating condition information of vehicle and the electric quantity state of battery 2, and according to the operating condition information of vehicle and the electric quantity state control of battery 2 charging module 1 charges battery 2 of vehicle, and wherein, the operating condition information includes with external power source 11 connected state, driving motor 12 operating condition, increase ware 13 state and power battery 14 state. The control module 3 is a VCU (vehicle control unit).
Specifically, the system for charging the storage battery 2 further includes a DCDC conversion module 4, which is connected to the charging module 1, the control module 3 and the storage battery 2, and is configured to convert the high voltage of the charging module 1 into a low voltage under the control of the control module 3 and output the low voltage to the storage battery 2. The charging module 1 includes an external power supply 11, a driving motor 12, a range extender 13 and a power battery 14. The external power source 11 may be a charger.
Further, the control module 3 is configured to control the external power source 11 to charge the battery 2 through the DCDC conversion module 4 when it is detected that the vehicle is in a connected state with the external power source 11 and the charge of the battery 2 is lower than a first preset threshold charge. The control module 3 is also configured to control the drive motor 12 to generate power and charge the battery 2 through the DCDC conversion module 4 when it is detected that the vehicle is in the drive motor operating state.
In addition, the control module 3 is configured to control the range extender 13 to charge the storage battery 2 through the DCDC conversion module 4 when detecting that the vehicle is in the range extender 13 state, the electric quantity of the power battery 14 is in the reduced state, and the electric quantity of the storage battery 2 is lower than a second preset threshold electric quantity, and the control module 3 is further configured to control the range extender 13 to charge the storage battery 2 through the DCDC conversion module 4 when detecting that the vehicle is in the range extender state and the electric quantity of the power battery 14 is not reduced. The control module 3 is further configured to control the braking force battery 14 to charge the storage battery 2 through the DCDC conversion module 4 when it is detected that the charge of the storage battery 2 is lower than a third preset threshold charge.
As shown in fig. 4, the electric quantity state of the storage battery 2 includes six states, which are full electric quantity, first preset threshold electric quantity, second preset threshold electric quantity, third preset threshold electric quantity, function guarantee minimum electric quantity, and no electric quantity, respectively. And the second preset threshold electric quantity is smaller than the first preset threshold electric quantity. And the third preset threshold electric quantity is smaller than the second preset threshold electric quantity.
Specifically, the first preset threshold electric quantity, the second preset threshold electric quantity, the third preset threshold electric quantity and the function guarantee minimum electric quantity are standard quantities and are obtained by calibrating the whole vehicle under a certain working condition.
Further, the system for charging the storage battery 2 further comprises a storage battery 2 sensor, the storage battery 2 sensor is used for detecting the current, the voltage, the temperature and the like of the storage battery 2, and the control module 3 receives the information of the current, the voltage, the temperature and the like detected by the storage battery 2 sensor so as to judge the state of charge of the storage battery 2.
According to the invention, the working state of the vehicle and the electric quantity state of the storage battery 2 are fully considered, the storage battery 2 is charged through different charging modes, and the fuel economy of the whole vehicle can be obviously improved.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A method for charging a storage battery of a new energy automobile is characterized by comprising the following steps:
detecting working state information of a vehicle and an electric quantity state of a storage battery, wherein the working state information comprises a connection state with an external power supply, a driving motor working state, a range extender state and a power battery state;
and controlling a charging module to charge the storage battery of the vehicle according to the working state information of the vehicle and the electric quantity state of the storage battery, wherein the charging module comprises the external power supply, a driving motor, a range extender and a power battery.
2. The method of claim 1, wherein controlling a charging module to charge a battery of the vehicle according to the operating state information of the vehicle and the state of charge of the battery comprises:
and when the fact that the vehicle is in a state of being connected with the external power supply and the electric quantity of the storage battery is lower than a first preset threshold electric quantity is detected, the external power supply is controlled to charge the storage battery through the DCDC conversion module.
3. The method of claim 2, wherein controlling a charging module to charge a battery of the vehicle according to the operating state information of the vehicle and the state of charge of the battery comprises:
and when the vehicle is detected to be in a driving motor working state, controlling the driving motor to generate power and charging the storage battery through the DCDC conversion module.
4. The method of claim 2, wherein controlling a charging module to charge a battery of the vehicle according to the operating state information of the vehicle and the state of charge of the battery comprises:
when the fact that the vehicle is in a range extender state, the electric quantity of the power battery is in a reduction state and the electric quantity of the storage battery is lower than a second preset threshold electric quantity is detected, the range extender is controlled to charge the storage battery through the DCDC conversion module, wherein the second preset threshold electric quantity is smaller than the first preset threshold electric quantity;
and when the fact that the vehicle is in a range extender state and the electric quantity of the power battery is not reduced is detected, the range extender is controlled to charge the storage battery through the DCDC conversion module.
5. The method of claim 4, wherein controlling a charging module to charge a battery of the vehicle according to the operating state information of the vehicle and the state of charge of the battery comprises:
and when the electric quantity of the storage battery is detected to be lower than a third preset threshold electric quantity, controlling the power battery to charge the storage battery through the DCDC conversion module, wherein the third preset threshold electric quantity is smaller than the second preset threshold electric quantity.
6. The system for charging the storage battery of the new energy automobile is characterized by comprising the storage battery, a control module and a charging module, wherein,
the control module is connected with the storage battery and the charging module and is used for detecting working state information of a vehicle and electric quantity state of the storage battery and controlling the charging module to charge the storage battery of the vehicle according to the working state information of the vehicle and the electric quantity state of the storage battery, wherein the working state information comprises a connection state with an external power supply, a working state of a driving motor, a state of a range extender and a state of a power battery, and the charging module comprises an external power supply, a driving motor, a range extender and a power battery;
the charging module is connected with the storage battery.
7. The system of claim 6, further comprising:
the DCDC conversion module is connected with the charging module, the control module and the storage battery and is used for converting the high voltage of the charging module into the low voltage under the control of the control module and outputting the low voltage to the storage battery;
the control module is configured to control the external power supply to charge the storage battery through the DCDC conversion module when the vehicle is detected to be in a connection state with the external power supply and the electric quantity of the storage battery is lower than a first preset threshold electric quantity.
8. The system of claim 7,
the control module is further configured to control the driving motor to generate power and charge the storage battery through the DCDC conversion module when the vehicle is detected to be in the working state of the driving motor.
9. The system of claim 7,
the control module is configured to control the range extender to charge the storage battery through the DCDC conversion module when detecting that a vehicle is in a range extender state, the electric quantity of the power battery is in a reduction state and the electric quantity of the storage battery is lower than a second preset threshold electric quantity, wherein the second preset threshold electric quantity is smaller than the first preset threshold electric quantity;
the control module is further configured to control the range extender to charge the storage battery through the DCDC conversion module when the vehicle is detected to be in the range extender state and the electric quantity of the power battery is not reduced.
10. The system of claim 9,
the control module is configured to control the power battery to charge the storage battery through the DCDC conversion module when the electric quantity of the storage battery is detected to be lower than a third preset threshold electric quantity, wherein the third preset threshold electric quantity is smaller than the second preset threshold electric quantity.
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|---|---|---|---|---|
| CN112060940A (en) * | 2020-09-08 | 2020-12-11 | 中车青岛四方车辆研究所有限公司 | Method for prolonging discharge of motor train unit storage battery |
| CN112060940B (en) * | 2020-09-08 | 2021-12-31 | 中车青岛四方车辆研究所有限公司 | Method for prolonging discharge of motor train unit storage battery |
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| CN111038333B (en) | 2021-09-14 |
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Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. Patentee after: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee after: Zhejiang Geely new energy Commercial Vehicle Development Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: Room 612, building 1, 1760 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLE GROUP Co.,Ltd. Patentee before: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee before: Zhejiang Geely new energy Commercial Vehicle Development Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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Effective date of registration: 20230728 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. Patentee after: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee before: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. Patentee before: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee before: Zhejiang Geely new energy Commercial Vehicle Development Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |