CN222921394U - Wireless charging system of electric automobile - Google Patents
Wireless charging system of electric automobile Download PDFInfo
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- CN222921394U CN222921394U CN202422036289.4U CN202422036289U CN222921394U CN 222921394 U CN222921394 U CN 222921394U CN 202422036289 U CN202422036289 U CN 202422036289U CN 222921394 U CN222921394 U CN 222921394U
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Abstract
The application provides a wireless charging system of an electric automobile, which comprises a wireless charging receiving module, a vehicle-mounted low-voltage DC-DC converter and a grounding wire, wherein the wireless charging receiving module is arranged on the electric automobile, the grounding wire is connected with the wireless charging receiving module, when the grounding wire is connected with a grounding point on the ground, the wireless charging receiving module starts to receive high-voltage alternating current transmitted by a power grid received by a wireless charging transmitting module, the wireless charging receiving module converts the high-voltage alternating current into high-voltage direct current and transmits the high-voltage direct current to the vehicle-mounted low-voltage DC-DC converter, and the vehicle-mounted low-voltage DC-DC converter converts the high-voltage direct current into low-voltage direct current and transmits the low-voltage direct current to a storage battery arranged on the electric automobile. Therefore, wireless charging of the storage battery of the electric automobile is realized, the automobile using experience of the electric automobile is improved, and the reliability and safety of charging of the storage battery are also improved.
Description
Technical Field
The application relates to the technical field of electric automobile charging, in particular to a wireless charging system of an electric automobile.
Background
With the rapid development of new energy automobiles, especially the rise of pure electric automobiles, the demand of people for the convenience of charging electric automobiles is becoming stronger.
After electric automobile places for a long time, the battery in the electric automobile can appear putting excessively and lead to electric automobile unable normal start, seriously influences user's service experience. At present, a wired charging mode is often adopted for supplementing electric energy for a storage battery, a user is required to manually connect a charging cable on a charging pile to a charging interface of a vehicle, problems such as aging of a circuit or poor contact and the like can occur after frequent plugging operation, and the reliability and the safety of power supply are greatly reduced. Therefore, how to improve the safety of battery charging becomes a non-trivial technical problem.
Disclosure of utility model
Therefore, the application aims to provide the wireless charging system for the electric automobile, which realizes wireless charging of the storage battery of the electric automobile, improves the automobile experience of the electric automobile and also improves the reliability and safety of the charging of the storage battery.
The embodiment of the application provides a wireless charging system of an electric automobile, which comprises a wireless charging receiving module, a vehicle-mounted low-voltage DC-DC converter and a grounding wire, wherein the wireless charging receiving module is arranged on the electric automobile, and the grounding wire is connected with the wireless charging receiving module;
When the grounding wire is connected with a grounding point on the ground, the wireless charging receiving module starts to receive high-voltage alternating current transmitted by a power grid and received by the wireless charging transmitting module, the wireless charging receiving module converts the high-voltage alternating current into high-voltage direct current and transmits the high-voltage direct current to the vehicle-mounted low-voltage DC-DC converter, and the vehicle-mounted low-voltage DC-DC converter converts the high-voltage direct current into low-voltage direct current and transmits the low-voltage direct current to a storage battery arranged on the electric automobile.
Further, the wireless charging receiving module is connected with the vehicle-mounted information processing equipment, and the wireless charging receiving module sends the storage battery overdischarge prompt information to the vehicle-mounted information processing equipment.
Further, the wireless charging receiving module comprises a wireless charging vehicle end coil and a wireless charging vehicle end module;
The wireless charging vehicle-end coil receives the high-voltage alternating current transmitted by the wireless charging transmitting module, and the wireless charging vehicle-end module converts the received high-voltage alternating current into high-voltage direct current.
Further, the wireless charging transmitting module comprises a wireless charging ground terminal module and a wireless charging ground terminal coil;
The wireless charging ground terminal module acquires high-voltage alternating current provided by the power grid and transmits the received high-voltage alternating current to the wireless charging ground terminal coil.
Further, the battery transmits electric power to a plurality of low voltage load modules provided on the electric vehicle.
Further, the wireless charging system further comprises an on-vehicle charger arranged on the electric automobile, the on-vehicle charger is connected with the wireless charging receiving module, and the on-vehicle charger transmits the electric energy sent by the wireless charging receiving module to a power battery of the electric automobile.
Further, the storage battery and the power battery are respectively connected with a vehicle-mounted heater on the electric automobile, the storage battery transmits low-voltage power to the vehicle-mounted heater, and the power battery transmits high-voltage power to the vehicle-mounted heater so that the vehicle-mounted heater works.
Further, the power battery is connected with an electric drive assembly on the electric automobile, and the power battery supplies power to the electric drive assembly, so that the electric drive assembly converts electric energy into mechanical energy and drives the electric automobile to run.
Further, the battery transmits electrical energy to a plurality of low voltage load interfaces provided on the electric vehicle.
Further, the vehicle-mounted charger transmits the electric energy sent by the wireless charging receiving module to the power battery through a high-voltage wire harness.
The wireless charging system of the electric automobile comprises a wireless charging receiving module, a vehicle-mounted low-voltage DC-DC converter and a grounding wire, wherein the wireless charging receiving module is arranged on the electric automobile and is electrically connected with the vehicle-mounted low-voltage DC-DC converter, when the grounding wire is connected with a grounding point on the ground, the wireless charging receiving module starts to receive high-voltage alternating current transmitted by a power grid received by a wireless charging transmitting module, the wireless charging receiving module converts the high-voltage alternating current into high-voltage direct current and transmits the high-voltage direct current to the vehicle-mounted low-voltage DC-DC converter, and the vehicle-mounted low-voltage DC-DC converter converts the high-voltage direct current into low-voltage direct current and transmits the low-voltage direct current to a storage battery arranged on the electric automobile.
According to the wireless charging system of the electric automobile, provided by the application, wireless charging is combined with battery charging, high-voltage alternating current is received through the wireless charging receiving module, and the high-voltage direct current is converted into low-voltage direct current through the vehicle-mounted low-voltage DC-DC converter so as to supply power to the battery, so that the wireless charging of the battery of the electric automobile is realized, the vehicle use experience of the electric automobile is improved, and the reliability and safety of the battery charging are also improved.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a wireless charging system of an electric vehicle according to an embodiment of the present application;
fig. 2 is a second schematic structural diagram of a wireless charging system of an electric vehicle according to an embodiment of the present application;
fig. 3 is a third schematic structural diagram of a wireless charging system for an electric vehicle according to an embodiment of the present application.
In the embodiment of the present application, reference numerals are as follows, in combination with the accompanying drawings:
The system comprises a 1-wireless charging system, a 10-wireless charging receiving module, an 11-wireless charging car end coil, a 12-wireless charging car end module, a 20-car-mounted low-voltage DC-DC converter, a 30-grounding wire, a 40-wireless charging transmitting module, a 50-storage battery, a 60-car-mounted information processing device, a 70-car-mounted charger, an 80-power battery, a 90-car-mounted heater and a 100-electric drive assembly.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. Based on the embodiments of the present application, every other embodiment obtained by a person skilled in the art without making any inventive effort falls within the scope of protection of the present application.
First, an application scenario to which the present application is applicable will be described. The wireless charging system can be applied to an electric automobile and used as a wireless charging system of the electric automobile.
With the rapid development of new energy automobiles, especially the rise of pure electric automobiles, the demand of people for the convenience of charging electric automobiles is becoming stronger.
After electric automobile places for a long time, the battery in the electric automobile can appear putting excessively and lead to electric automobile unable normal start, seriously influences user's service experience. At present, a wired charging mode is often adopted for supplementing electric energy for a storage battery, a user is required to manually connect a charging cable on a charging pile to a charging interface of a vehicle, problems such as aging of a circuit or poor contact and the like can occur after frequent plugging operation, and the reliability and the safety of power supply are greatly reduced. Therefore, how to improve the safety of battery charging becomes a non-trivial technical problem.
Based on the above, the embodiment of the application provides a wireless charging system for an electric automobile, which combines wireless charging with battery charging, receives high-voltage alternating current through a wireless charging receiving module, converts the high-voltage direct current into low-voltage direct current through a vehicle-mounted low-voltage DC-DC converter so as to supply power to the battery, thereby realizing wireless charging of the battery of the electric automobile, improving the vehicle use experience of the electric automobile and improving the reliability and safety of battery charging.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a wireless charging system of an electric vehicle according to an embodiment of the application. As shown in fig. 1, a wireless charging system 1 provided by an embodiment of the present application includes a wireless charging receiving module 10 disposed on an electric vehicle, a vehicle-mounted low-voltage DC-DC converter 20, and a ground line 30 connected to the wireless charging receiving module 10, where the wireless charging receiving module 10 is electrically connected to the vehicle-mounted low-voltage DC-DC converter 20.
Here, the wireless charging receiving module 10 refers to a device on an electric automobile that receives electric energy in a wireless manner to charge electric equipment in the electric automobile. The onboard low voltage DC-DC converter 20 is mainly responsible for converting high voltage DC power received by the vehicle into lower voltage DC power for use by the vehicle's low voltage electrical system. The wireless charging receiving module 10 is also mounted with a ground wire 30.
When the ground wire 30 of the wireless charging receiving module 10 is connected to the ground point on the ground, the wireless charging receiving module 10 starts to receive the high-voltage ac power transmitted by the power grid and received by the wireless charging transmitting module 40, the wireless charging receiving module 10 converts the high-voltage ac power into high-voltage DC power and transmits the high-voltage DC power to the vehicle-mounted low-voltage DC-DC converter 20, and the vehicle-mounted low-voltage DC-DC converter 20 converts the high-voltage DC power into low-voltage DC power and transmits the low-voltage DC power to the storage battery 50 provided on the electric automobile.
Here, the wireless charging transmission module 40 is connected to the power grid through a high-voltage harness.
Here, the wireless charging transmitting module 40 is a device for wirelessly charging an electric vehicle, and is responsible for converting electric energy into an electromagnetic field, so that the wireless charging receiving module 10 can receive and convert the electric energy into electric energy usable by the device.
Specifically, when the electric vehicle stops to the charging parking space and the electric vehicle is found to have insufficient electric quantity of the storage battery, the wireless charging receiving module 10 is forcedly awakened through the manual grounding point, namely, the user actively connects the grounding wire 30 connected with the wireless charging receiving module 10 to the grounding point on the ground, which is equivalent to the formation of an awakening circuit by the connection of the active ground and the vehicle body. When the ground wire 30 is connected to a ground point on the ground, the wireless charging transmitting module 40 receives the 220V high-voltage ac power transmitted from the power grid and transmits the 220V high-voltage ac power to the wireless charging receiving module 10. The wireless charge receiving module 10 converts 220V high-voltage ac power into high-voltage DC power usable by the vehicle-side battery, and transmits the high-voltage DC power to the vehicle-mounted low-voltage DC-DC converter 20. Meanwhile, the vehicle-mounted low-voltage DC-DC converter 20 starts to work, converts high-voltage direct current into low-voltage direct current, namely 12V direct current, and transmits the low-voltage direct current to the storage battery 50 arranged on the electric automobile so as to provide 12V charging power for the storage battery 50 and realize emergency charging of the storage battery 50.
Referring to fig. 2, fig. 2 is a second schematic structural diagram of a wireless charging system for an electric vehicle according to an embodiment of the application. As shown in fig. 2, the wireless charging receiving module 10 includes a wireless charging car-end coil 11 and a wireless charging car-end module 12.
Here, the wireless charging car end coil 11 is electrically connected to the wireless charging car end module 12. The wireless charging car-end coil 11 is a core part of the wireless charging receiving module 10 and is responsible for receiving electromagnetic field energy from the wireless charging transmitting module 40. The wireless charging cradle end module 12 is responsible for converting the received ac power to dc power so that the device can be used.
Specifically, after the electric vehicle stops at the charging parking space, the wireless charging vehicle-end coil 11 receives the high-voltage alternating current transmitted by the wireless charging transmitting module 40, and the wireless charging vehicle-end module 12 converts the received high-voltage alternating current into high-voltage direct current.
Further, the wireless charging transmitting module 40 includes a wireless charging ground module and a wireless charging ground coil. The wireless charging ground terminal module is used for obtaining high-voltage alternating current provided by a power grid. The wireless charging ground terminal module transmits the received high-voltage alternating current to the wireless charging ground terminal coil. The wireless charging ground coil is responsible for generating an electromagnetic field which, when current is passed through the transmitting coil, generates a varying magnetic field which can be induced and converted into electrical energy by the wireless charging ground coil 11.
Referring to fig. 3, fig. 3 is a third schematic structural diagram of a wireless charging system for an electric vehicle according to an embodiment of the application. As shown in fig. 3, the wireless charging receiving module 10 is connected to the in-vehicle information processing apparatus 60, and the wireless charging receiving module 10 transmits the battery overdischarge notification information to the in-vehicle information processing apparatus 60.
Here, the in-vehicle information processing apparatus 60 corresponds to an in-vehicle Tbox module, and T-Box (Telematics Box) is an intelligent device integrated in a vehicle, which combines GPS technology, wireless communication technology, a vehicle diagnostic system, and internet services to provide various information and entertainment services to a driver. The wireless charging receiving module 10 has a sleep inspection function, and when the wireless charging receiving module 10 finds that the storage battery 50 is fed, the storage battery overdischarge prompt information can be actively recorded and sent to the vehicle-mounted information processing device 60 so as to inform the vehicle owner through the vehicle-mounted information processing device 60.
Further, the battery 50 transmits electric power to a plurality of low voltage load modules provided on the electric vehicle.
Here, the low voltage load module refers to an electronic device on an electric automobile that needs to operate by means of low voltage power, for example, the low voltage load module may be a car lamp, an in-car lighting system, a sensor, an in-car central control system, and the like, and the application is not particularly limited thereto. Specifically, the storage battery 50 is connected with a plurality of low-voltage load modules in the electric automobile through a low-voltage power supply line, and when the electric quantity of the storage battery 50 is sufficient, 12V voltage can be provided for the plurality of low-voltage load modules through the low-voltage power supply line so as to drive the plurality of low-voltage load modules to work normally.
Further, the battery 50 transmits electric power to a plurality of low voltage load interfaces provided on the electric vehicle.
Here, the low-voltage load interface refers to an interface for connecting the piezoelectric device on the electric automobile. These low voltage load interfaces may provide power to various external devices, for example, the low voltage load interfaces may be USB interfaces, 12V power sockets, wireless charging boards, etc., which is not particularly limited to the present application. Specifically, the storage battery 50 is connected with a plurality of low-voltage load interfaces in the electric automobile through a low-voltage power supply line, when the electric quantity of the storage battery 50 is sufficient, 12V voltage can be provided for the plurality of low-voltage load interfaces through the low-voltage power supply line, and the low-voltage load interfaces can provide electric energy for electric equipment connected with the low-voltage load interfaces.
As shown in fig. 3, the wireless charging system 1 further includes an in-vehicle charger 70 provided on the electric vehicle, the in-vehicle charger 70 being connected to the wireless charging receiving module 10.
The in-vehicle Charger 70 refers to an OBC (On-Board Charger) assembly On an electric vehicle, whose main function is to convert Alternating Current (AC) from an external power source into Direct Current (DC) suitable for charging the vehicle's high-voltage battery.
After the wireless charging receiving module 10 receives the high-voltage alternating current transmitted by the wireless charging transmitting module 40, the vehicle-mounted charger 70 converts the electric energy transmitted by the wireless charging receiving module 10 into high-voltage direct current and transmits the high-voltage direct current to the power battery 80 of the electric vehicle so as to charge the power battery 80.
Further, the in-vehicle charger 70 transmits the electric power transmitted from the wireless charge receiving module 10 to the power battery 80 through the high-voltage harness.
As shown in fig. 3, the storage battery 50 and the power battery 80 are respectively connected to an in-vehicle heater 90 on the electric vehicle, the storage battery 50 transmits a low voltage power to the in-vehicle heater 90, and the power battery 80 transmits a high voltage power to the in-vehicle heater 90 to operate the in-vehicle heater.
Here, the storage battery 50 transmits low-voltage power to the vehicle-mounted heater 90 through a low-voltage power supply line, and the power battery 80 transmits high-voltage power to the vehicle-mounted heater 90 through a high-voltage power supply line, so that the vehicle-mounted heater 90 can normally work after receiving the low-voltage power and the high-voltage power, and the vehicle-mounted heater can refrigerate or heat the whole vehicle.
As shown in fig. 3, the power battery 80 is connected to an electric drive assembly 100 on the electric vehicle. Specifically, the power cell 80 is connected to the electric drive assembly 100 via a high voltage harness.
Here, the power battery 80 is an energy source of the electric vehicle, which directly supplies power to the electric drive assembly 100 of the vehicle. The electric drive assembly 100 is one of the core components of an electric vehicle and integrates an electric motor, a transmission and associated control electronics responsible for converting electrical energy into mechanical energy for driving the vehicle forward.
Specifically, the power battery 80 supplies power to the electric driving assembly 100 through a high-voltage wire harness, so that the electric driving assembly 100 converts electric energy into mechanical energy to drive the electric vehicle to run. When the driver starts the electric vehicle and steps on the accelerator, the power battery 80 starts discharging, and during the discharging process, direct Current (DC) provided by the power battery 80 is converted into Alternating Current (AC) through the inverter, and the converted alternating current is sent into the electric drive assembly 100, and the electric drive assembly 100 converts electric energy into mechanical energy, and drives the wheels to rotate through the transmission system, so that the vehicle is pushed to advance.
The wireless charging system 1 of the electric automobile provided by the embodiment of the application comprises a wireless charging receiving module 10, a vehicle-mounted low-voltage DC-DC converter 20 and a grounding wire 30 connected with the wireless charging receiving module, wherein the wireless charging receiving module 10 is electrically connected with the vehicle-mounted low-voltage DC-DC converter 20, when the grounding wire 30 is connected with a grounding point on the ground, the wireless charging receiving module 10 starts to receive high-voltage alternating current transmitted by a power grid received by a wireless charging transmitting module 40, the wireless charging receiving module 10 converts the high-voltage alternating current into high-voltage direct current and transmits the high-voltage direct current to the vehicle-mounted low-voltage DC-DC converter 20, and the vehicle-mounted low-voltage DC-DC converter 20 converts the high-voltage direct current into low-voltage direct current and transmits the low-voltage direct current to a storage battery 50 arranged on the electric automobile.
According to the wireless charging system of the electric automobile, provided by the application, wireless charging is combined with battery charging, high-voltage alternating current is received through the wireless charging receiving module, and the high-voltage direct current is converted into low-voltage direct current through the vehicle-mounted low-voltage DC-DC converter so as to supply power to the battery, so that the wireless charging of the battery of the electric automobile is realized, the vehicle use experience of the electric automobile is improved, and the reliability and safety of the battery charging are also improved.
In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer readable storage medium executable by a processor. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. The storage medium includes a U disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, an optical disk, or other various media capable of storing program codes.
It should be noted that the foregoing embodiments are merely illustrative embodiments of the present application, and not restrictive, and the scope of the application is not limited to the embodiments, and although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that any modification, variation or substitution of some of the technical features of the embodiments described in the foregoing embodiments may be easily contemplated within the scope of the present application, and the spirit and scope of the technical solutions of the embodiments do not depart from the spirit and scope of the embodiments of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (10)
1. The wireless charging system of the electric automobile is characterized by comprising a wireless charging receiving module, a vehicle-mounted low-voltage DC-DC converter and a grounding wire, wherein the wireless charging receiving module is arranged on the electric automobile, and the grounding wire is connected with the wireless charging receiving module;
When the grounding wire is connected with a grounding point on the ground, the wireless charging receiving module starts to receive high-voltage alternating current transmitted by a power grid and received by the wireless charging transmitting module, the wireless charging receiving module converts the high-voltage alternating current into high-voltage direct current and transmits the high-voltage direct current to the vehicle-mounted low-voltage DC-DC converter, and the vehicle-mounted low-voltage DC-DC converter converts the high-voltage direct current into low-voltage direct current and transmits the low-voltage direct current to a storage battery arranged on the electric automobile.
2. The wireless charging system of claim 1, wherein the wireless charging receiving module is connected to a vehicle-mounted information processing device, and the wireless charging receiving module sends a battery overdischarge prompt message to the vehicle-mounted information processing device.
3. The wireless charging system of claim 1, wherein the wireless charging receiving module comprises a wireless charging car end coil and a wireless charging car end module;
The wireless charging vehicle-end coil receives the high-voltage alternating current transmitted by the wireless charging transmitting module, and the wireless charging vehicle-end module converts the received high-voltage alternating current into high-voltage direct current.
4. The wireless charging system of claim 1, wherein the wireless charging transmission module comprises a wireless charging ground module and a wireless charging ground coil;
The wireless charging ground terminal module acquires high-voltage alternating current provided by the power grid and transmits the received high-voltage alternating current to the wireless charging ground terminal coil.
5. The wireless charging system of claim 1, wherein the battery transmits electrical energy to a plurality of low voltage load modules disposed on the electric vehicle.
6. The wireless charging system of claim 1, further comprising an onboard charger disposed on the electric vehicle, the onboard charger coupled to the wireless charging receiving module, the onboard charger transmitting power transmitted by the wireless charging receiving module to a power battery of the electric vehicle.
7. The wireless charging system of claim 6, wherein the battery and the power battery are respectively connected to an onboard heater on the electric vehicle, the battery transmits a low voltage power to the onboard heater, and the power battery transmits a high voltage power to the onboard heater to operate the onboard heater.
8. The wireless charging system of claim 6, wherein the power battery is connected to an electric drive assembly on the electric vehicle, the power battery providing power to the electric drive assembly to cause the electric drive assembly to convert electrical energy to mechanical energy to drive the electric vehicle.
9. The wireless charging system of claim 1, wherein the battery transfers electrical energy to a plurality of low voltage load interfaces disposed on the electric vehicle.
10. The wireless charging system of claim 6, wherein the on-board charger transmits the electrical energy sent by the wireless charging receiving module to the power battery via a high voltage harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422036289.4U CN222921394U (en) | 2024-08-21 | 2024-08-21 | Wireless charging system of electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422036289.4U CN222921394U (en) | 2024-08-21 | 2024-08-21 | Wireless charging system of electric automobile |
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| CN222921394U true CN222921394U (en) | 2025-05-30 |
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| CN202422036289.4U Active CN222921394U (en) | 2024-08-21 | 2024-08-21 | Wireless charging system of electric automobile |
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