A vehicle charging method and system based on combination of ETC and charging pile

Abstract

The application provides a vehicle charging method and system based on combination of ETC and charging pile, the method comprising: sending a vehicle information acquisition request to an ETC vehicle in a communication range of a roadside unit in a charging area of a charging pile, receiving vehicle ciphertext, and sending the vehicle ciphertext to an ETC authentication platform; receiving the vehicle ciphertext by the ETC authentication platform, decrypting the vehicle ciphertext to obtain vehicle information, performing vehicle authentication based on the obtained vehicle information, and sending vehicle authorization state query information carrying the authenticated vehicle information to a charging payment platform; receiving authorization confirmation identification information by the charging pile platform, receiving a charging request carrying the authorization confirmation identification information of the corresponding ETC vehicle, and returning charging instruction information indicating whether to allow charging to the charging pile based on the checking result; and charging the ETC vehicle by the charging pile after receiving the charging instruction information allowing charging. The method can effectively simplify the operation steps of the user when charging the electric vehicle.

Description

Technical Field

[0001] This invention relates to the field of charging pile Internet of Things technology, and in particular to a vehicle charging method based on the combination of ETC and charging pile. Background Technology

[0002] Electric vehicles have advantages such as zero emissions, low noise, and low maintenance costs. In recent years, the development of electric vehicles has been very rapid. With the growth of consumer demand, new requirements have been put forward for electric vehicle charging stations.

[0003] In the conventional charging process of existing charging stations, users need to operate the charging station's screen or the charging station operator's APP to start charging, stop charging, and pay for electric vehicles, which brings some inconvenience to users in the process of charging electric vehicles. Summary of the Invention

[0004] Therefore, this invention provides a vehicle charging method based on the combination of ETC and charging piles. This method combines the ETC system and the charging pile system to achieve a technical effect similar to the non-stop toll collection of the highway ETC system, reducing the user's operation process before and after charging the electric vehicle. Specifically, the highway ETC system uses 5.8GHz dedicated short-range communication technology to achieve non-stop toll collection.

[0005] One aspect of the present invention provides a vehicle charging method based on the combination of ETC and charging piles, the method comprising the following steps:

[0006] The roadside unit within the charging area of ​​the charging pile sends a vehicle information acquisition request to the ETC vehicles within its communication range, receives the vehicle ciphertext from the ETC vehicles, and sends the vehicle ciphertext to the ETC authentication platform. The vehicle ciphertext contains encrypted vehicle information.

[0007] The ETC authentication platform receives the vehicle encrypted text, decrypts it to obtain vehicle information, performs vehicle authentication based on the obtained vehicle information, and sends vehicle authorization status query information carrying the authenticated vehicle information to the charging payment platform. This enables the charging payment platform to confirm that the corresponding ETC vehicle is an authorized user based on the vehicle authorization status query information and then feed back authorization confirmation identifier information to the charging pile platform and the corresponding ETC vehicle.

[0008] The charging pile platform receives authorization confirmation information from the charging payment platform and receives a charging request from the charging pile carrying the authorization confirmation information of the corresponding ETC vehicle. Based on the verification result of the authorization confirmation information from the charging payment platform and the authorization confirmation information carried in the charging request, the charging pile returns charging indication information indicating whether charging is allowed. The authorization confirmation information carried in the charging request is the authorization confirmation information received by the charging pile from the ETC vehicle after it is connected to the ETC vehicle.

[0009] The charging pile charges the ETC vehicle after receiving a charging instruction that allows charging.

[0010] In some embodiments of the present invention, the method further includes: receiving charging bill information containing vehicle information and charging amount from the charging pile by the charging pile platform; sending a deduction request containing the charging bill information to the charging payment platform by the charging pile platform; and after the charging payment platform completes the deduction based on the received deduction request, returning the charging bill information containing vehicle information and charging amount to the charging pile platform and / or the vehicle user by the charging payment platform.

[0011] In some embodiments of the present invention, the encryption algorithm used for the vehicle ciphertext is a symmetric encryption algorithm.

[0012] In some embodiments of the present invention, the authorization confirmation identifier information includes a confirmation code, which includes a verification bit of a preset length randomly generated by the charging payment platform.

[0013] In some embodiments of the present invention, the charging payment platform includes vehicle information of pre-registered vehicles and payment permissions for the charging pile platform pre-authorized by vehicle users.

[0014] In some embodiments of the present invention, the charging pile and the vehicle are connected via a charging gun, and the charging pile and the vehicle communicate via a CAN bus.

[0015] In some embodiments of the present invention, for vehicle information that has failed vehicle authentication, the method further includes: sending the vehicle information to an early warning platform, which then prompts relevant personnel to handle the vehicle.

[0016] In some embodiments of the present invention, for vehicles that the charging payment platform confirms are unauthorized, the method further includes: sending a prompt message to the vehicle's infotainment system and displaying the prompt message through the vehicle's graphical user interface to inform the vehicle user that the charging payment method is unavailable.

[0017] Another aspect of the present invention provides a vehicle charging system based on the combination of ETC and charging piles, the system comprising the following structure:

[0018] The roadside unit within the charging area of ​​the charging pile is used to send a vehicle information acquisition request to ETC vehicles within its communication range, receive vehicle encrypted text from ETC vehicles, and send the vehicle encrypted text to the ETC authentication platform, wherein the vehicle encrypted text contains encrypted vehicle information.

[0019] The ETC authentication platform is used to receive vehicle encrypted messages, decrypt the vehicle encrypted messages to obtain vehicle information, authenticate the vehicle based on the obtained vehicle information, and send vehicle authorization status query information carrying the authenticated vehicle information to the charging payment platform.

[0020] The charging pile platform is used to receive authorization confirmation information from the charging payment platform and to receive charging requests from the charging pile carrying authorization confirmation information of the corresponding ETC vehicle. Based on the verification result of the authorization confirmation information from the charging payment platform and the authorization confirmation information carried in the charging request, the platform returns charging indication information indicating whether charging is allowed to the charging pile. The authorization confirmation information carried in the charging request is the authorization confirmation information received by the charging pile from the ETC vehicle after it is connected to the ETC vehicle.

[0021] Charging piles are used to receive authorization confirmation information for the corresponding ETC vehicle and send it to the charging pile platform, as well as to charge the ETC vehicle after receiving charging instruction information that allows charging.

[0022] In some embodiments of the present invention, the system further includes: a charging payment platform, configured to provide authorization confirmation information to the charging pile platform and the corresponding ETC vehicle when the corresponding ETC vehicle is confirmed to be an authorized user based on the vehicle authorization status query information, and to send a prompt message to the vehicle-mounted unit when the corresponding ETC vehicle is confirmed to be an unauthorized user based on the vehicle authorization status query information, and to display the prompt message through the graphical user interface of the vehicle-mounted unit, indicating that the charging payment method is unavailable to the vehicle user.

[0023] The vehicle charging method and system based on the combination of ETC and charging piles of the present invention can verify the accuracy of vehicle information through the ETC system, without the need for the most commonly used QR code confirmation method. The payment platform sends a confirmation code to the vehicle and the charging pile platform. The confirmation code serves as the certificate for the vehicle to charge at the charging pile, which is verified by the charging pile platform. After the verification is successful, the vehicle directly obtains charging permission. The entire process does not require manual operation authorization by the people in the vehicle, which greatly facilitates vehicle users.

[0024] Additional advantages, objects, and features of the invention will be set forth in part in the description which follows, and will also become apparent in part to those skilled in the art upon studying the description, or may be learned by practice of the invention. The objects and other advantages of the invention can be realized and obtained by means of the structures specifically pointed out in the specification and drawings.

[0025] Those skilled in the art will understand that the objectives and advantages achievable with this invention are not limited to those specifically described above, and that the above and other objectives achievable with this invention will become clearer from the following detailed description. Attached Figure Description

[0026] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this application, are not intended to limit the scope of the invention. In the drawings:

[0027] Figure 1 This is a flowchart of a vehicle charging method according to an embodiment of the present invention.

[0028] Figure 2 This is a diagram of the vehicle charging system in one embodiment of the present invention.

[0029] Figure 3 This is a timing diagram of a vehicle charging method according to an embodiment of the present invention. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the embodiments and accompanying drawings. Here, the illustrative embodiments and descriptions of this invention are used to explain the invention, but are not intended to limit the invention.

[0031] It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and / or processing steps closely related to the solution according to the invention are shown in the accompanying drawings, while other details that are not closely related to the invention are omitted.

[0032] It should be emphasized that the term "including / comprises" as used herein refers to the presence of a feature, element, step, or component, but does not exclude the presence or addition of one or more other features, elements, steps, or components.

[0033] It should also be noted that, unless otherwise specified, the term "connection" in this article can refer not only to a direct connection, but also to an indirect connection involving an intermediary.

[0034] In the following description, embodiments of the invention will be illustrated with reference to the accompanying drawings. In the drawings, the same reference numerals represent the same or similar parts, or the same or similar steps.

[0035] To streamline the electric vehicle charging process, this invention provides a vehicle charging method based on the combination of ETC and charging piles. This method combines the ETC system with the charging pile system, with the ETC system authenticating the vehicle and verifying the vehicle's identity through a confirmation code fed back by the payment platform, thus eliminating the need for manual operation to grant the vehicle charging access to the charging pile.

[0036] Figure 1 This is a flowchart of a vehicle charging method according to an embodiment of the present invention, which includes the following steps:

[0037] Step S110: The roadside unit in the charging area of ​​the charging pile sends a vehicle information acquisition request to the ETC vehicle within its communication range, receives the vehicle encrypted text from the ETC vehicle, and sends the vehicle encrypted text to the ETC authentication platform, wherein the vehicle encrypted text contains encrypted vehicle information.

[0038] The roadside unit is also known as the ETC antenna. Vehicle information refers to all information related to the vehicle, including the vehicle's manufacturer, model, year, license plate number, VIN number, body color, fuel type, engine type, displacement, horsepower, torque, transmission type, drive wheel drive, body type, number of seats, safety features, and warranty information. In this invention, vehicle information mainly includes the license plate number, while other information is optional parameters.

[0039] Step S120: The ETC authentication platform receives the vehicle encrypted text, decrypts the vehicle encrypted text to obtain vehicle information, performs vehicle authentication based on the obtained vehicle information, and sends vehicle authorization status query information carrying the authenticated vehicle information to the charging payment platform, so that the charging payment platform can confirm that the corresponding ETC vehicle is an authorized user based on the vehicle authorization status query information and then feed back authorization confirmation identifier information to the charging pile platform and the corresponding ETC vehicle.

[0040] Step S130: The charging pile platform receives the authorization confirmation identifier information from the charging payment platform and receives the charging request from the charging pile carrying the authorization confirmation identifier information of the corresponding ETC vehicle. Based on the verification result of the authorization confirmation identifier information from the charging payment platform and the authorization confirmation identifier information carried in the charging request, the charging pile returns charging indication information indicating whether charging is allowed. The authorization confirmation identifier information carried in the charging request is the authorization confirmation identifier information received by the charging pile from the ETC vehicle after it is connected to the ETC vehicle.

[0041] In its implementation, the authorization confirmation information includes a confirmation code, which contains a preset length of verification bits randomly generated by the charging payment platform.

[0042] The charging payment platform includes pre-registered vehicle information and pre-authorized payment permissions for the charging pile platform granted by the vehicle user. This process is similar to the ETC (Electronic Toll Collection) system on highways. After ETC authentication is successful, the user gains payment platform access. Specifically, this payment platform can be the ETC's own payment platform or a third-party payment platform system, programmed by calling the API of the third-party payment platform.

[0043] Step S140: The charging pile charges the ETC vehicle after receiving the charging instruction information that allows charging.

[0044] The vehicle charging method proposed in this invention, which combines ETC and charging piles, can verify the accuracy of vehicle information through the ETC system without using the currently most common QR code confirmation method. Instead, the payment platform sends a confirmation code to the vehicle's infotainment system and the charging pile platform. The confirmation code serves as proof for the vehicle to charge at the charging pile, and is verified by the charging pile platform. Once the verification is successful, the vehicle directly obtains charging permission. The entire process does not require manual authorization from personnel in the vehicle, greatly facilitating vehicle users.

[0045] In some embodiments of the present invention, after step S140, the method further includes:

[0046] Step S150: Payment and billing after charging is completed. Specifically, this includes: (1) the charging pile platform receiving charging bill information containing vehicle information and charging amount from the charging pile; (2) the charging pile platform sending a deduction request containing the charging bill information to the charging payment platform; (3) after the charging payment platform completes the deduction based on the received deduction request, the charging payment platform returns the charging bill information containing vehicle information and charging amount to the charging pile platform and / or the vehicle user. In practice, vehicle users often bind a payment platform to their mobile phones, and the bill information is transmitted to the user via SMS or software updates.

[0047] In some embodiments of this invention, the encryption algorithm used for vehicle ciphertext is a symmetric encryption algorithm. In real-world ETC (Electronic Toll Collection) systems, the encryption algorithm used is the symmetric encryption algorithm specified by the ETC system, which is currently the industry standard. The use of encryption algorithms effectively ensures the security of vehicle information and prevents unauthorized intrusion or technical cracking during vehicle authentication.

[0048] In some embodiments of the present invention, the authorization confirmation information includes a confirmation code. Besides a check digit, the confirmation code also includes a vehicle information code for storing vehicle information. The lengths of the confirmation code, check digit, and vehicle information code are preset, for example, the confirmation code length is 16, where the first 8 bits are the vehicle information code and the last 8 bits are randomly generated check digits. The above confirmation code structure is merely an example, and the present invention is not limited thereto. The rich information contained in the confirmation code helps distinguish the vehicle from other vehicles, thereby ensuring the safety of the vehicle during charging and payment processes. Furthermore, the authorization confirmation information may also include other information, such as payment platform information (whether it comes from ETC payment or third-party channels such as WeChat or Alipay), target charging pile platform information, and target charging pile information. The target charging pile platform information and target charging pile information can be stored by number to determine which charging pile to send the relevant confirmation information to.

[0049] In embodiments of the present invention, the charging pile and the vehicle establish a connection through a charging gun, and communicate with each other via a CAN bus. In specific implementation, the CAN bus is integrated into the electric vehicle's charging gun plug. The CAN bus enables user-friendly interaction between ETC vehicles and charging piles.

[0050] In one embodiment of the present invention, in step S120, for vehicle information that fails vehicle authentication, the method further includes: sending the vehicle information to the early warning platform, so that the early warning platform can prompt relevant personnel to handle the vehicle.

[0051] In one embodiment of the present invention, in step S130, for vehicles confirmed by the charging payment platform as unauthorized, the method further includes: sending a prompt message to the vehicle's infotainment system, displaying the prompt message through the system's graphical user interface, indicating to the vehicle user that the charging payment method is unavailable. In existing vehicles, many vehicles are equipped with infotainment systems connected to the ETC system; naturally, the infotainment system itself is also connected to the internet and can directly receive confirmation codes sent by the payment platform.

[0052] Corresponding to the above method, the present invention also provides a vehicle charging system based on the combination of ETC and charging piles, the system comprising the following structure:

[0053] (1) A roadside unit in the charging area of ​​a charging pile is used to send a vehicle information acquisition request to ETC vehicles within its communication range, receive vehicle ciphertext from ETC vehicles, and send the vehicle ciphertext to the ETC authentication platform, wherein the vehicle ciphertext contains encrypted vehicle information.

[0054] (2) The ETC authentication platform is used to receive vehicle ciphertext, decrypt the vehicle ciphertext to obtain vehicle information, authenticate the vehicle based on the obtained vehicle information, and send vehicle authorization status query information carrying the authenticated vehicle information to the charging payment platform.

[0055] (3) A charging pile platform is used to receive authorization confirmation information from the charging payment platform and to receive a charging request from the charging pile carrying the authorization confirmation information of the corresponding ETC vehicle. Based on the verification result of the authorization confirmation information from the charging payment platform and the authorization confirmation information carried in the charging request, the platform returns charging indication information indicating whether charging is allowed to the charging pile. The authorization confirmation information carried in the charging request is the authorization confirmation information received by the charging pile from the ETC vehicle after it is connected to the ETC vehicle.

[0056] (4) Charging pile, used to receive the authorization confirmation information of the corresponding ETC vehicle and send it to the charging pile platform, and to charge the ETC vehicle after receiving the charging instruction information that allows charging.

[0057] In some embodiments of the present invention, the system further includes: a charging payment platform, configured to provide authorization confirmation information to the charging pile platform and the corresponding ETC vehicle when the corresponding ETC vehicle is confirmed to be an authorized user based on the vehicle authorization status query information, and to send a prompt message to the vehicle-mounted unit when the corresponding ETC vehicle is confirmed to be an unauthorized user based on the vehicle authorization status query information, and to display the prompt message through the graphical user interface of the vehicle-mounted unit, indicating that the charging payment method is unavailable to the vehicle user.

[0058] Correspondingly, in some embodiments of the present invention, the system further includes a vehicle-mounted system for sending encrypted vehicle data to the charging pile. The charging pile platform is also used to send a deduction request containing charging bill information to a charging payment platform. The charging payment platform is further used to complete the deduction based on the received deduction request, and then return charging bill information containing vehicle information and charging amount to the charging pile platform and / or the vehicle user. In specific implementation, the vehicle-mounted system mainly needs to have a corresponding program embedded inside. After the vehicle establishes a connection with the charging pile, the program interacts with the charging pile. The program located on the vehicle-mounted system sends the encrypted vehicle data to the charging pile, and the charging pile performs subsequent processing on the encrypted vehicle data.

[0059] Figure 2This is a diagram illustrating the relationship between different structures in a vehicle charging system according to one embodiment of the present invention. The roadside unit interacts with the vehicle to obtain vehicle encryption. The ETC authentication platform decrypts the received vehicle encryption and authenticates the vehicle. The ETC authentication platform requests confirmation of authorization status from the payment platform and sends a confirmation code. This confirmation code serves as proof that the vehicle has obtained charging permission. After the vehicle connects to the charging pile, it obtains charging permission from the charging pile platform, and the charging pile charges the vehicle.

[0060] Figure 3 This is a timing diagram of a vehicle charging method according to an embodiment of the present invention. The specific process is as follows:

[0061] (1) The vehicle enters the roadside unit area;

[0062] (2) The roadside unit sends a vehicle information acquisition request to the vehicle;

[0063] (3) The vehicle returns the vehicle ciphertext to the roadside unit;

[0064] (4) The roadside unit sends the vehicle encrypted message to the ETC authentication platform;

[0065] (5) The ETC authentication platform decrypts the vehicle's encrypted data and performs vehicle authentication;

[0066] (6) The ETC authentication platform sends a request to the payment platform to ask whether the vehicle being authenticated is an authorized user;

[0067] (7) If the vehicle is an authorized user of the payment platform, send the confirmation code to the vehicle-mounted APP and the charging pile platform;

[0068] (8) The vehicle is plugged into the charging gun and the charging station is connected to the vehicle;

[0069] (9) The vehicle sends a confirmation code to the charging station;

[0070] (10) The charging pile sends a charging request with a confirmation code to the charging pile platform;

[0071] (11) The charging pile platform compares the confirmation code received from the payment platform with the confirmation code received from the vehicle. If they match, charging is allowed.

[0072] (12) Start charging;

[0073] (13) Charging complete;

[0074] (14) The charging pile calculates the charging amount and sends the charging amount to the charging pile platform;

[0075] (15) The charging pile platform will send a deduction request containing the charging amount to the payment platform;

[0076] (16) The payment platform completes the deduction;

[0077] (17) The payment platform returns the bill to the charging pile platform and / or vehicle user.

[0078] The vehicle charging method and system based on the combination of ETC and charging piles of the present invention can verify the accuracy of vehicle information through the ETC system, without the need for the most commonly used QR code confirmation method. The payment platform sends a confirmation code to the vehicle and the charging pile platform. The confirmation code serves as the certificate for the vehicle to charge at the charging pile, which is verified by the charging pile platform. After the verification is passed, the vehicle directly obtains charging permission. The whole process does not require manual operation authorization by the vehicle personnel, which greatly facilitates vehicle users. The vehicle authentication process of the ETC system (1) uses an encryption algorithm for authentication, which ensures the security and reliability of vehicle authentication.

[0079] Corresponding to the above method, the present invention also provides an apparatus comprising a computer device including a processor and a memory, the memory storing computer instructions, the processor executing the computer instructions stored in the memory, and the apparatus implementing some steps of the method as described above when the computer instructions are executed by the processor.

[0080] This invention also provides a computer-readable storage medium storing a computer program thereon, which, when executed by a processor, performs the steps of the method as described above. The computer-readable storage medium may be a tangible storage medium, such as random access memory (RAM), main memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, register, floppy disk, hard disk, removable storage disk, CD-ROM, or any other form of storage medium known in the art.

[0081] Those skilled in the art will understand that the exemplary components, systems, and methods described in conjunction with the embodiments disclosed herein can be implemented in hardware, software, or a combination of both. Whether implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this invention. When implemented in hardware, it can be, for example, electronic circuits, application-specific integrated circuits (ASICs), appropriate firmware, plug-ins, function cards, etc. When implemented in software, the elements of this invention are programs or code segments used to perform the desired tasks. The programs or code segments can be stored in a machine-readable medium or transmitted over a transmission medium or communication link via data signals carried in a carrier wave.

[0082] It should be clarified that the present invention is not limited to the specific configurations and processes described above and shown in the figures. For the sake of brevity, detailed descriptions of known methods are omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method process of the present invention is not limited to the specific steps described and shown. Those skilled in the art can make various changes, modifications, and additions, or change the order of steps, after understanding the spirit of the present invention.

[0083] In this invention, features described and / or illustrated for one embodiment may be used in the same or similar manner in one or more other embodiments, and / or combined with or in place of features of other embodiments.

[0084] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. For those skilled in the art, various modifications and variations can be made to the embodiments of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A vehicle charging method based on the combination of ETC and charging piles, characterized in that, The method includes: The roadside unit within the charging area of ​​the charging pile sends a vehicle information acquisition request to the ETC vehicles within its communication range, receives the vehicle ciphertext from the ETC vehicles, and sends the vehicle ciphertext to the ETC authentication platform. The vehicle ciphertext contains encrypted vehicle information. The ETC authentication platform receives the vehicle encrypted text, decrypts it to obtain vehicle information, performs vehicle authentication based on the obtained vehicle information, and sends vehicle authorization status query information carrying the authenticated vehicle information to the charging payment platform. This enables the charging payment platform to confirm that the corresponding ETC vehicle is an authorized user based on the vehicle authorization status query information and then feed back authorization confirmation identifier information to the charging pile platform and the corresponding ETC vehicle. The charging pile platform receives authorization confirmation information from the charging payment platform and a charging request from the charging pile carrying the authorization confirmation information of the corresponding ETC vehicle. Based on the verification result of the authorization confirmation information from the charging payment platform and the authorization confirmation information carried in the charging request, the platform returns charging indication information to the charging pile indicating whether charging is allowed. The authorization confirmation information carried in the charging request is the authorization confirmation information received by the charging pile from the ETC vehicle after it is connected to the ETC vehicle. The authorization confirmation information includes a confirmation code, which includes a verification bit of a preset length randomly generated by the charging payment platform. The confirmation code serves as the certificate for the vehicle to charge at the charging pile. The charging pile platform compares the received confirmation code from the payment platform with the confirmation code from the vehicle. If they match, charging is allowed. The charging pile charges the ETC vehicle after receiving a charging instruction that allows charging.

2. The method according to claim 1, characterized in that, The method also includes: The charging station platform receives charging bill information from the charging station, which includes vehicle information and charging amount. The charging station platform sends a deduction request containing charging bill information to the charging payment platform; After the charging payment platform completes the deduction based on the received deduction request, it returns charging bill information containing vehicle information and charging amount to the charging pile platform and / or vehicle user.

3. The method according to claim 1, characterized in that, The encryption algorithm used for the vehicle ciphertext is a symmetric encryption algorithm.

4. The method according to claim 1, characterized in that, The charging payment platform includes vehicle information of pre-registered vehicles and payment permissions for the charging pile platform pre-authorized by vehicle users.

5. The method according to claim 1, characterized in that, The charging pile and the vehicle are connected via a charging gun, and the charging pile and the vehicle communicate via a CAN bus.

6. The method according to claim 1, characterized in that, For vehicle information that fails authentication, the method also includes: sending the vehicle information to the early warning platform, which then prompts relevant personnel to handle the vehicle.

7. The method according to claim 1, characterized in that, For vehicles that the charging payment platform confirms are not authorized, the method also includes: sending a prompt message to the vehicle's infotainment system and displaying the prompt message through the system's graphical user interface to inform the vehicle user that the charging payment method is unavailable.

8. A vehicle charging system based on the combination of ETC and charging piles, characterized in that, The system includes the following structure: The roadside unit within the charging area of ​​the charging pile is used to send a vehicle information acquisition request to ETC vehicles within its communication range, receive vehicle encrypted text from ETC vehicles, and send the vehicle encrypted text to the ETC authentication platform, wherein the vehicle encrypted text contains encrypted vehicle information. The ETC authentication platform is used to receive vehicle encrypted messages, decrypt the vehicle encrypted messages to obtain vehicle information, authenticate the vehicle based on the obtained vehicle information, and send vehicle authorization status query information carrying the authenticated vehicle information to the charging payment platform. The charging pile platform receives authorization confirmation information from the charging payment platform and charging requests from the charging pile carrying authorization confirmation information of the corresponding ETC vehicle. Based on the verification result of the authorization confirmation information from the charging payment platform and the authorization confirmation information carried in the charging request, the platform returns charging indication information to the charging pile indicating whether charging is allowed. The authorization confirmation information carried in the charging request is the authorization confirmation information received by the charging pile from the ETC vehicle after it is connected. The authorization confirmation information includes a confirmation code, which contains a preset length of verification bits randomly generated by the charging payment platform. The confirmation code serves as proof for the vehicle to charge at the charging pile. The charging pile platform compares the received confirmation code from the payment platform with the confirmation code from the vehicle; if they match, charging is allowed. Charging piles are used to receive authorization confirmation information for the corresponding ETC vehicle and send it to the charging pile platform, as well as to charge the ETC vehicle after receiving charging instruction information that allows charging.

9. The system according to claim 8, characterized in that, The system also includes: The charging payment platform is used to send authorization confirmation information to the charging pile platform and the corresponding ETC vehicle when the corresponding ETC vehicle is confirmed to be an authorized user based on the vehicle authorization status query information. When the corresponding ETC vehicle is confirmed to be an unauthorized user based on the vehicle authorization status query information, the platform sends a prompt message to the vehicle's infotainment system and displays the prompt message through the vehicle's graphical user interface, indicating that the charging payment method is unavailable.

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