CN113954681A - Plug-and-charge function authentication system and control method for electric vehicle - Google Patents
Plug-and-charge function authentication system and control method for electric vehicle Download PDFInfo
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- 239000000284 extract Substances 0.000 claims description 4
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/68—Off-site monitoring or control, e.g. remote control
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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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
Abstract
The invention provides a plug-and-charge function authentication system and a control method for an electric vehicle. The vehicle-mounted charging control module comprises a charging controller and a remote communication module: the charging controller generates or forwards a random number after receiving the charging gun insertion signal; the remote communication module transmits the random number and the vehicle code simultaneously. Fill and set up controller and communication module in electric pile at least: uploading the random number and the vehicle code signal to a remote control analysis module; the remote control analysis module comprises a temporary storage module, a comparison module, a communication module and a control module: the communication module receives the random numbers and the vehicle code signals sent by the vehicle-mounted charging control module and the charging pile and stores the random numbers and the vehicle code signals in the temporary storage module; the comparison module compares the two random numbers, and the control module sends a charging request permission instruction to the charging pile through the communication module under the condition that the comparison result is consistent.
Description
Technical Field
The invention belongs to the technical field of electric vehicle charging equipment and control, and particularly relates to a quick and reliable electric vehicle plug-and-play charging function authentication system and a control method.
Background
Electric vehicles are increasingly popularized due to the advantages of small environmental pollution, low noise, high energy utilization efficiency, small maintenance workload, no influence of the environment in which the electric vehicles are used, and the like. Due to the fact that the mileage of single charging is limited, the realization of convenient charging is always a problem of close attention in the field of electric automobiles.
At present, the electric vehicle is charged through a charging pile, generally needs to be operated through card swiping, and the using process is relatively complex. In order to solve the technical problem, part of the vehicle enterprises are designed with a plug-and-play function, and the plug-and-play function comprises two modes: 1) the method is realized by a method of 'embedding a secret key and an encryption algorithm in a vehicle end, exchanging a ciphertext between the vehicle end and a pile end and verifying the ciphertext by a cloud end'. However, the implementation of the key and the encryption algorithm requires that the vehicle-mounted controller adopts a larger memory, and has more complicated development and debugging work, and the key writing and matching work aiming at different vehicles is also increased when the vehicle is off-line. 2) The method is poor in safety when the vehicle is identified according to the code of the vehicle, and the super-charging pile at the public end is easy to steal.
Disclosure of Invention
The invention aims to solve the technical problems and provides a plug-and-play function authentication system and a control method for an electric vehicle, so as to realize a fast and safe plug-and-play function. In order to achieve the purpose, the technical scheme of the invention is as follows:
in a first aspect of the present invention, a plug-and-play authentication system for an electric vehicle is provided, which includes: the vehicle-mounted charging control module and the charging pile are in communication connection, and the remote control analysis module is in communication connection with the two devices.
The vehicle-mounted charging control module comprises a charging controller and a remote communication module: the charging controller generates or forwards a random number after receiving the charging gun insertion signal; the remote communication module transmits the random number and the vehicle code to the charging pile and the remote control analysis module at the same time.
Fill and set up controller and communication module in electric pile at least: the communication module receives the random number and the vehicle code signal, uploads the random number and the vehicle code signal to the remote control analysis module, and transmits a command signal of the remote control analysis module to the controller;
the remote control analysis module comprises a temporary storage module, a comparison module, a communication module and a control module: the communication module receives the random numbers and the vehicle code signals sent by the vehicle-mounted charging control module and the charging pile and stores the random numbers and the vehicle code signals in the temporary storage module; the comparison module compares the two random numbers, and the control module sends a charging request permission instruction to the charging pile through the communication module under the condition that the comparison result is consistent.
Preferably, in the plug-and-play authentication system for the electric vehicle provided by the invention, the remote communication module on the vehicle side transmits the random number and the vehicle code to the charging pile and the remote control analysis module simultaneously, and then sends a feedback signal to the controller on the vehicle side.
Further preferably, when the random number is generated by the vehicle-mounted side controller, the feedback signal is a vehicle code; when the random number is forwarded by the vehicle-mounted controller, the feedback signal is the random number and the vehicle code.
Preferably, in the plug-and-play function authentication system for the electric vehicle provided by the invention, the remote control analysis module is a cloud platform.
Preferably, in the plug-and-play function authentication system for the electric vehicle provided by the invention, the temporary storage module comprises two random number registers, one is used for storing the random number sent by the vehicle end, the other is used for storing the random number sent by the charging pile and corresponding to the account, and after a certain time, the two random number registers are cleared to be invalid values.
Preferably, in the plug-and-play charging function authentication system for the electric vehicle provided by the invention, in the vehicle-mounted charging control module, the vehicle-mounted charging controller is a battery management system BMS, an electric vehicle communication controller EVCC or a VCU vehicle controller; the vehicle-mounted remote communication module is a central gateway CGW or a remote module T-BOX.
In a second aspect of the present invention, a method for controlling a plug and play authentication system of an electric vehicle is provided, which includes the following steps:
Preferably, in step 3, when the random number ratio pair is inconsistent, the comparison is overtime, and the remote control analysis module sends a charging permission command to the charging pile, the stored random number is all cleared and is regarded as an invalid value. When the vehicle performs the charging operation again, the random number needs to be regenerated.
The invention has the following beneficial effects:
when the charging operation is carried out, the vehicle code and the random number are sent to the cloud platform at the same time through the electric vehicle end and the charging pile end to carry out charging permission verification, and the plug-and-play function is quickly and safely realized. When charging, only need charge the rifle and insert the operation, when having avoided the current operation of punching the card completely, still need the operation of punching the card between car and the stake that charges, greatly improved the convenience of the operation of charging.
In addition, the random number has timeliness, a hacker cannot simultaneously operate two channels of the pile end and the vehicle end, the probability that the super-filled pile of the public end is brushed by theft is effectively reduced, and the safety is higher.
Drawings
Fig. 1 is a schematic structural diagram of an authentication system for plug and play function of an electric vehicle.
Fig. 2 is a flowchart of the plug and play authentication system for an electric vehicle.
Fig. 3 is a flowchart of a control process of the plug and play authentication system of the electric vehicle.
Detailed Description
The following embodiments are implemented on the premise of the technical scheme of the present invention, and give detailed implementation modes and specific operation procedures, but the protection scope of the present invention is not limited to the following embodiments.
According to fig. 1, the plug-and-play charging function authentication system for the electric vehicle of the embodiment includes a vehicle-mounted charging control module 1, a charging pile 2 and a remote control analysis module 3. The vehicle-mounted charging control module 1 is in communication connection with the charging pile 2, and the remote control analysis module 3 is in communication connection with the two devices.
The in-vehicle charging control module 1 includes a charging controller 11 and a remote communication module 12: after the charging gun is inserted into the automobile charging hole, the charging controller 11 receives a charging gun insertion signal, generates a random number and transmits or only transmits the charging gun insertion signal; the remote communication module 12 transmits the random number and the vehicle code to the charging pile 2 and the remote control analysis module 3 at the same time, and in some cases, it may also generate the random number and transmit the random number and the vehicle code.
The remote communication module 12 transmits the random number and the vehicle code to the charging pile 2 and the remote control analysis module 3 at the same time, and then sends a feedback signal to the controller 11 on the vehicle side. The concrete conditions are as follows: when the random number is generated by the vehicle-mounted side controller, the feedback signal is a vehicle code; when the random number is forwarded by the vehicle-mounted controller, the feedback signal is the random number and the vehicle code.
Fill electric pile 2 interior at least and set up controller 21 and communication module 22: the communication module 22 receives the random number and the vehicle code signal and uploads the random number and the vehicle code signal to the remote control analysis module 3, and transmits a command signal of the remote control analysis module 3 to the controller 21, so that the controller controls the charging operation.
The remote control analysis module 3 is preferably a cloud platform, and includes a temporary storage module 31, a comparison module 32, a communication module 33, and a control module 34: the communication module 33 receives the random numbers and the vehicle code signals sent by the vehicle-mounted charging control module 1 and the charging pile 2 and stores the random numbers and the vehicle code signals in the temporary storage module 31; the comparison module 32 extracts two random numbers from the charging pile 2 and compares the two random numbers, and if the comparison results are consistent, the control module 34 sends a charging request permission instruction to the charging pile 2 through the communication module 33.
Preferably, the temporary storage module 31 is two random number registers, one is used for storing the random number sent from the vehicle end, and the other is used for storing the random number sent from the charging pile corresponding to the account.
The control method of the plug-and-charge function authentication system of the electric vehicle is shown in fig. 2, and comprises the following steps:
step 4, after receiving the random number and the vehicle code signal, a communication module in the charging pile 2 uploads the random number and the vehicle code signal to a remote control analysis module;
step 5, a communication module in the remote control analysis module 3 receives the random numbers and the vehicle code signals sent by the vehicle-mounted charging control module and the charging pile and stores the random numbers and the vehicle code signals in a temporary storage module;
step 6, the comparison module extracts two random numbers and compares the two random numbers, and the step 7 is carried out under the condition that the comparison results are consistent, and the step 8 is carried out under the condition that the comparison results are inconsistent;
step 7, the control module 34 sends a charging request permission instruction to the charging pile 2 through the communication module 33 to perform charging;
and 8, when the random number ratio pairs are inconsistent, the comparison is overtime, and the remote control analysis module sends a charging permission-solving instruction to the charging pile, all the stored random numbers are removed and are regarded as invalid values. When the vehicle performs the charging operation again, the random number needs to be regenerated.
In the plug-and-play charging function authentication system for the electric vehicle, in a vehicle-mounted charging control module, a vehicle-mounted charging controller is a battery management system BMS, an electric vehicle communication controller EVCC or a VCU vehicle controller; the vehicle-mounted remote communication module is a central gateway CGW or a remote module T-BOX.
The control method of the authentication system in the case of different combinations is described below:
1. the vehicle-mounted charging controller is a battery management system BMS, and the vehicle-mounted remote communication module is a remote module T-BOX
After the charging gun is inserted, the BMS sends a charging gun insertion state signal to the remote module; the random number is generated by the remote module T-BOX; the remote module T-BOX sends the vehicle code and the random number to the BMS; the BMS sends the "random number + vehicle code" to the charging post (fig. 3).
2. The vehicle-mounted charging controller is a battery management system BMS, and the vehicle-mounted remote communication module is a remote module T-BOX
After the charging gun is inserted, a random number is generated by the BMS; the BMS sends the random number to the remote module; the remote module T-BOX sends a vehicle code to the BMS, sends a random number plus the vehicle code to the cloud platform, and sends the random number plus the vehicle code to the charging pile.
3. The vehicle-mounted charging controller is an electric vehicle communication controller EVCC, and the vehicle-mounted remote communication module is a remote module T-BOX
After the charging gun is inserted, the random number is generated by an electric vehicle communication controller EVCC; the EVCC sends a random number + and a unique MAC address bound by the EVCC to a remote module; the remote module T-BOX sends the unique MAC address bound by the random number and the EVCC to the cloud platform, and the EVCC sends the unique MAC address bound by the random number and the EVCC to the charging pile. The charging pile sends a unique MAC address bound by the random number + and the EVCC to the cloud platform. The cloud platform checks the identity of the charging permission against the unique MAC address bound by the random number and the EVCC.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit of the invention, and the scope of the appended claims is to be accorded the full scope of the invention.
Claims (8)
1. An electric vehicle plug-and-charge function authentication system, comprising: a vehicle-mounted charging control module and a charging pile which are in communication connection, and a remote control analysis module which is in communication connection with the vehicle-mounted charging control module and the charging pile simultaneously,
the vehicle-mounted charging control module comprises a charging controller and a remote communication module, the charging controller generates or forwards a random number after receiving a charging gun insertion signal, and the remote communication module transmits the random number and a vehicle code to the charging pile and the remote control analysis module at the same time;
the charging pile is at least internally provided with a controller and a communication module, and the communication module receives the random number and the vehicle code signal, uploads the random number and the vehicle code signal to a remote control analysis module and transmits a command signal of the remote control analysis module to the controller;
the remote control analysis module comprises a temporary storage module, a comparison module, a communication module and a control module, wherein the communication module receives random numbers and vehicle code signals sent by the vehicle-mounted charging control module and the charging pile and stores the random numbers and the vehicle code signals in the temporary storage module, the comparison module compares the two random numbers, and the control module sends a charging request allowable instruction to the charging pile through the communication module under the condition that comparison results are consistent.
2. The electric vehicle plug-and-play function authentication system of claim 1, wherein:
and after the random number and the vehicle code are simultaneously transmitted to the charging pile and the remote control analysis module by the remote communication module on the vehicle side, a feedback signal is sent to a controller on the vehicle side.
3. The electric vehicle plug-and-play function authentication system of claim 2, wherein:
wherein, when the random number is generated by the vehicle-mounted side controller, the feedback signal is a vehicle code; and when the random number is forwarded by the vehicle-mounted side controller, the feedback signal is the random number and the vehicle code.
4. The electric vehicle plug-and-play function authentication system of claim 1, wherein:
the remote control analysis module is a cloud platform.
5. The electric vehicle plug-and-play function authentication system of claim 1, wherein:
the temporary storage module comprises two random number registers, one is used for storing random numbers sent by a vehicle end, the other is used for storing random numbers sent by a charging pile and corresponding to an account, and after a certain time, the two random number registers can be cleared to be invalid values.
6. The electric vehicle plug-and-play function authentication system of claim 1, wherein:
in the vehicle-mounted charging control module, a vehicle-mounted charging controller is a battery management system BMS, an electric vehicle communication controller EVCC or a VCU vehicle controller;
the vehicle-mounted remote communication module is a central gateway CGW or a remote module T-BOX.
7. A control method of a plug and charge function authentication system of an electric vehicle is characterized by comprising the following steps:
step 1, after a charging gun is inserted into a charging gun, a vehicle-mounted side charging controller generates or forwards a random number, a remote communication module at a vehicle side transmits the random number and a vehicle code to the charging pile and a remote control analysis module at the same time, and feeds back a signal to the vehicle-mounted side charging controller;
step 2, after receiving the random number and the vehicle code signal, a communication module in the charging pile uploads the random number and the vehicle code signal to a remote control analysis module;
step 3, a communication module in the remote control analysis module receives the random numbers and the vehicle code signals sent by the vehicle-mounted charging control module and the charging pile and stores the random numbers and the vehicle code signals in a temporary storage module; the comparison module extracts the two random numbers and compares the two random numbers, and the control module sends a charging request permission instruction to the charging pile through the communication module under the condition that the comparison results are consistent.
8. The method of claim 7, wherein the method further comprises:
when the random number ratio pair is inconsistent, the comparison is overtime, and the remote control analysis module sends a charging and permission-solving instruction to the charging pile, the random numbers are all cleared and are regarded as invalid values.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2021109810644 | 2021-08-25 | ||
| CN202110981064 | 2021-08-25 |
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| CN113954681A true CN113954681A (en) | 2022-01-21 |
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| CN114670695A (en) * | 2022-04-12 | 2022-06-28 | 北京新能源汽车股份有限公司 | Charging method and device, charging pile and electric automobile |
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