CN113173089A - Control device and method for intelligently opening charging opening cover through radio frequency - Google Patents
Control device and method for intelligently opening charging opening cover through radio frequency Download PDFInfo
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- CN113173089A CN113173089A CN202110448264.3A CN202110448264A CN113173089A CN 113173089 A CN113173089 A CN 113173089A CN 202110448264 A CN202110448264 A CN 202110448264A CN 113173089 A CN113173089 A CN 113173089A
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- 238000013459 approach Methods 0.000 claims description 8
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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
- B60L53/30—Constructional details of charging stations
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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
- B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
-
- 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
- B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric 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
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices 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
- B60L53/66—Data transfer between charging stations and vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/24—Superstructure sub-units with access or drainage openings having movable or removable closures; Sealing means therefor
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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
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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
- 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
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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
- 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
- Y02T90/14—Plug-in electric vehicles
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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
- 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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a radio frequency intelligent charging opening cover opening control device and a method, wherein the device comprises a charging station communication unit, a radio frequency reading unit, a charging opening cover detection control unit and a vehicle networking unit; the vehicle networking unit is arranged to automatically authenticate connection with the charging station communication unit when a vehicle enters a charging station; the radio frequency reading unit is used for reading a radio frequency signal of the radio frequency unit, sending the radio frequency signal to the charging port cover detection control unit and further sending the radio frequency signal to the vehicle networking unit; the charging station is provided with a service management unit, and the service management unit is used for identifying the radio frequency signal and the vehicle information of the vehicle and then sending a control instruction to control the opening of a charging opening cover of the vehicle. The radio frequency signal sent by the charging gun is read by the vehicle, so that the charging opening cover is automatically opened; the problem of can't accurate matching need the vehicle that charges among the prior art, cause other vehicles to open the flap that charges by mistake is solved.
Description
Technical Field
The invention relates to the field of electric automobile charging, in particular to a control device and a control method for intelligently opening a charging opening cover by radio frequency.
Background
With the popularization of electric vehicles, charging becomes the daily life of electric vehicle users, and the charging experience is directly related to the riding experience and satisfaction of the users. The electric power supply mode of the electric automobile battery is generally divided into two modes of inserting charging with a vehicle and replacing the battery, wherein the battery replacement has the following defects: 1. the power station changing bins in the market are much higher than the ground, so that the slope of an ascending slope is large, the driving field of a vehicle is poor, and the driving experience is influenced; 2. in the battery replacement process, as the vehicle is positioned at a high place, when dangerous conditions occur in a battery replacement station, the vehicle and the like, a driver and passengers cannot smoothly leave a carriage; 3. when the battery is transported, the transportation space is insufficient, so that the equipment must avoid the battery through a complex structure, and the problem of battery transportation can be solved.
And adopt to insert the problem that the mode of charging can effectively avoid changing the battery mode existence, compare with the refueling of ordinary car, but a series of operations need be done to common charging mode, for example unblock vehicle, open the flap that charges, insert the rifle that charges, punch the card/scan charge etc. especially at present general manual opening the flap that charges is very troublesome, and user experience is poor, can not satisfy user's demand far away. Moreover, the mode of opening the charging cover by using Bluetooth, radio frequency and the like in the prior art cannot realize one-to-one matching and arbitrary vehicle matching by charging piles at will, so that the charging covers of a plurality of nearby vehicles can be opened simultaneously when the charging covers are controlled to be opened, and the problem of mistakenly opening the cover is caused.
Therefore, it is desirable to provide a control device for controlling the charging port cover to automatically open through radio frequency communication and accurately controlling a vehicle to be charged.
Disclosure of Invention
In order to solve the technical problem, the invention provides a radio frequency intelligent charging opening cover opening control device. The problem of can't accurate matching need the vehicle that charges among the prior art, cause other vehicles to open the flap that charges by mistake is solved.
The technical effects of the invention are realized as follows:
a radio frequency intelligent charging opening cover control device comprises a charging station communication unit, a radio frequency reading unit, a charging opening cover detection control unit and a vehicle networking unit;
the vehicle networking unit is arranged on a vehicle, the charging station communication unit is arranged on a charging station, and the vehicle networking unit is arranged to be automatically authenticated and connected with the charging station communication unit when the vehicle enters the charging station;
the radio frequency unit is arranged on the charging gun, the radio frequency reading unit is arranged on the vehicle, and the radio frequency reading unit is used for reading a radio frequency signal of the radio frequency unit;
the charging port cover detection control unit is arranged on the vehicle, one end of the radio frequency reading unit is in electric signal connection with one end of the charging port cover detection control unit, the radio frequency reading unit is used for sending the radio frequency signal to the charging port cover detection control unit, the other end of the charging port cover detection control unit is in electric signal connection with the vehicle networking unit, and the charging port cover detection control unit is used for sending the radio frequency signal to the vehicle networking unit;
the charging station is provided with a service management unit, the service management unit is in electric signal connection with the charging station communication unit, the vehicle networking unit is used for sending the radio frequency signal and the vehicle information of the vehicle to the charging station communication unit, and the service management unit is used for identifying the radio frequency signal and the vehicle information of the vehicle and then sending a control instruction;
the vehicle networking unit is used for sending the control instruction to the charging opening cover detection control unit so as to control the opening of the charging opening cover of the vehicle. The charging pile and the vehicle automatically perform connection authentication without human intervention, so that the safety is high; before a user carries out charging by a charging gun, the vehicle and the charging pile are mutually authenticated and exchange information, so that whether the two parties have charging conditions or not can be confirmed in advance, preparation is made for charging, and the charging process can be quickly started; the vehicle and the charging pile mutually authenticate and the vehicle starts the radio frequency reading unit after the charging condition is confirmed, and the vehicle is not started under normal conditions, extra power consumption is not increased, and energy is saved.
Further, the radio frequency signal is an encrypted radio frequency signal. The key for decrypting the radio frequency signal is only stored in the radio frequency unit, the charging gun and the charging station, the vehicle only reads and transmits the radio frequency signal and does not perform data decryption authentication, the vehicle does not need to participate in the radio frequency authentication process, the vehicle does not need to store the key, the safety is high, the usability can be improved, the coupling degree can be reduced, and the charging station can be conveniently upgraded and expanded.
Further, the radio frequency unit may set a radio frequency communication distance of the radio frequency signal. Through setting up that the radio frequency communication distance is adjustable, can carry out the radio frequency distance adjustment according to the design of charging station, avoid the problem of open other parking stall vehicles charging flap by mistake.
Further, the radio frequency reading unit is arranged on the charging port of the vehicle or near the charging port cover.
Furthermore, the charging station is also provided with a charging control unit, the charging control unit is electrically connected with the charging gun, and the charging control unit is used for controlling the charging gun to establish charging connection with the vehicle.
Furthermore, the charging station is also provided with a power management unit, one end of the power management unit is electrically connected with the service management unit, the other end of the power management unit is electrically connected with the charging control unit, and the power management unit is used for outputting power to charge the vehicle.
Further, still including the rifle that charges and connecting detection device, the rifle that charges connect detection device with flap detection controlling means signal connection charges, it is used for detecting whether the rifle that charges inserts the mouth that charges of vehicle to charge rifle connection detection device.
Further, still include the flap executor that charges, charge flap executor with charge flap detection controlling means electric signal connection, the flap executor that charges is used for controlling the flap that charges of vehicle opens and shuts.
In addition, a control method for intelligently opening a charging port cover by radio frequency is also provided, and the method is realized based on the control device and comprises the following steps:
after the vehicle enters the battery replacement station, the vehicle networking unit and the charging station communication unit are used for automatic authentication connection;
when the vehicle networking unit and the charging station communication unit are successfully connected through automatic authentication, the vehicle networking unit is used for informing the charging port cover detection control unit to open the radio frequency reading unit;
controlling the radio frequency reading unit to keep an open state so as to wait for the radio frequency unit to approach;
when the radio frequency unit is close to the radio frequency reading unit, reading a radio frequency signal sent by the radio frequency unit by using the radio frequency reading unit;
the radio frequency reading unit is used for reading the radio frequency signal and sending the radio frequency signal to the vehicle networking unit through the charging port cover detection control unit;
the vehicle networking unit is used for receiving the radio frequency signal and sending the radio frequency signal and the vehicle information of the vehicle to the service management unit through the charging station communication unit;
after the service management unit is used for receiving and identifying the radio frequency signal and the vehicle information of the vehicle, a control instruction is sent to the vehicle networking unit through the charging station communication unit;
and the vehicle networking unit is utilized to receive the control instruction and send the control instruction to the charging port cover detection control unit so as to control the opening of the charging port cover of the vehicle.
Further, after the vehicle enters the battery replacement station, the vehicle networking unit and the charging station communication unit are used for automatic authentication connection, and the method comprises the following steps:
after a vehicle enters a battery replacement station, a vehicle pile authentication request is sent by using the vehicle networking unit;
verifying the vehicle pile authentication request by using the charging station communication unit to determine that the vehicle can be charged, and sending an authentication instruction to the vehicle networking unit;
judging whether the vehicle networking unit and the charging station communication unit can automatically authenticate connection or not according to the authentication instruction;
and when the vehicle networking unit and the charging station communication unit are determined to be capable of automatically authenticating connection, utilizing the vehicle networking unit and the charging station communication unit to perform automatic authentication connection.
As described above, the present invention has the following advantageous effects:
1) through setting up that the radio frequency communication distance is adjustable, can carry out the radio frequency distance adjustment according to the design of charging station, avoid the problem of open other parking stall vehicles charging flap by mistake.
2) The key for decrypting the radio frequency signal is only stored in the radio frequency unit, the charging gun and the charging station, the vehicle only reads and transmits the radio frequency signal and does not perform decryption authentication, the vehicle does not need to store the key in the radio frequency authentication process, the safety is high, the usability can be improved, the coupling degree can be reduced, and the charging station can be conveniently upgraded and expanded.
3) The authentication is automatically connected through the charging pile and the vehicle, human intervention is not needed, and the safety is high.
4) Before a user carries out charging by the aid of the charging gun, mutual authentication and information exchange between the vehicle and the charging pile are achieved, so that whether the two sides have charging conditions or not can be confirmed in advance, preparation is made for charging, and the charging process can be started quickly.
5) The vehicle and the charging pile mutually authenticate and the vehicle starts the radio frequency reading unit after the charging condition is confirmed, and the vehicle is not started under normal conditions, extra power consumption is not increased, and energy is saved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art it is also possible to derive other drawings from these drawings without inventive effort.
Fig. 1 is a block diagram of a structure of a radio frequency intelligent charging port cover opening control device according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a method for controlling the rf intelligent opening of the charging port cover according to an embodiment of the present disclosure.
Wherein the reference numerals in the figures correspond to:
the charging station comprises a charging station communication unit 1, a radio frequency unit 2, a radio frequency reading unit 3, a charging port cover detection control unit 4, a vehicle networking unit 5, a service management unit 6, a charging control unit 7, a power management unit 8, a charging gun connection detection device 9, a charging port cover actuator 10, a vehicle 11, a charging station 12, a charging gun 13, a charging gun head 131, a charging pile 14, a power cabinet 15, a low-voltage cabinet 16, a pile cloud platform 17 and a vehicle cloud platform 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1:
as shown in fig. 1, a radio frequency intelligent charging opening cover control device includes a charging station communication unit 1, a radio frequency unit 2, a radio frequency reading unit 3, a charging opening cover detection control unit 4 and a vehicle networking unit 5.
Wherein, the vehicle networking unit 5 is arranged on the vehicle 11, the vehicle 11 is an electric automobile, the charging station communication unit 1 is arranged on the charging station 12, and the vehicle networking unit 5 is arranged to automatically authenticate and connect with the charging station communication unit 1 when the vehicle 11 enters the charging station 12. The vehicle networking unit 5 and the charging station communication unit 1 are preferably in communication connection through WIFI, the charging station 12 keeps a WIFI available state all the time, when the vehicle 11 enters the charging station 12, WIFI is automatically searched and automatically authenticated for connection, the automatic search and connection of the WIFI are consistent with the general WIFI connection mode, after the connection is successful, the vehicle networking unit 5 and the charging station communication unit 1 are in communication, a vehicle stub authentication request of an encrypted vehicle stub authentication request is sent to the charging station 12 by the vehicle 11, the encryption method can use common encryption methods of communication such as RSA/AES/DES, the vehicle stub authentication request comprises vehicle information such as identity identification information of the vehicle 11 and supported charging types, the charging station 12 decrypts the vehicle stub authentication request through the charging station communication unit 1 to obtain the vehicle information such as the identity identification information and the supported charging types so as to verify whether the vehicle 11 can be charged or not, and replies the encrypted authentication information to the vehicle 11; the vehicle 11 decrypts the received authentication information and judges whether the authentication is successful, and if the authentication is unsuccessful, the vehicle stub authentication request is retransmitted. If the vehicle pile authentication is successful, the vehicle networking unit 5 continuously sends a charging request to the charging station communication unit 1, and the charging station communication unit 1 judges whether an available charging pile exists or not after receiving the charging request and replies the charging pile information to the vehicle 11; the vehicle 11 receives the charging pile information and then judges whether the charging condition is met, if the charging condition is met, the vehicle networking unit 5 informs the charging opening cover detection control unit 4 to control the radio frequency reading unit 3 to be opened, and the radio frequency reading unit 3 is continuously opened to wait for the radio frequency unit 2 to approach.
The radio frequency unit 2 is specifically a radio frequency card, the radio frequency unit 2 is arranged on the charging gun 12, the radio frequency reading unit 3 is correspondingly a card reader which is arranged on a vehicle, the radio frequency card can use the existing mature CPU card and the like, the charging gun 12 corresponds to the charging pile 14 one by one, the radio frequency card stores the identity number and the charging pile related information of the corresponding charging pile 14, when a card reader approaches a radio frequency card and sends reading signals, the radio frequency card can get power from the reading signals to operate and encrypt the identity identification information, charging pile information, random number and the like stored in the radio frequency card according to the content of the reading signals to obtain radio frequency signals in an encrypted state and reply the radio frequency signals to the card reader, the radio frequency card can be encrypted by using an encryption method such as RSA/AES/DES, when the user brings the charging gun 13 close to the radio frequency card, the card reader can read the radio frequency signal of the encryption state of the radio frequency card. The radio frequency card is preferably arranged on the charging gun head 131 of the charging gun 13, and the charging gun 12 is directly inserted into the charging port 18 of the vehicle 11 without redundant actions after the radio frequency card approaches a card reader on the vehicle 11 to finish authentication before charging, so that the operation is convenient. Optionally, the radio frequency card may set a radio frequency communication distance of the radio frequency signal. The card reader is preferably arranged in a range on or near a charging port cover of the vehicle, the range can be set by a person skilled in the art, so that the wireless cover opening can be realized when the charging gun 13 approaches the vehicle, and the charging person can insert the charging gun 13 into the charging port of the vehicle 11 without moving the position to charge. The card reader also can be designed with a radio frequency identification which is convenient for identification and is arranged on the car shell, and the radio frequency identification can be fused with LOGO and the like of a company to realize beauty and practicability.
Charging port cover detection control unit 4 locates on the vehicle, and radio frequency reading unit 3 and 4 one end electric signal connections of charging port cover detection control unit, the 4 other ends of charging port cover detection control unit and 5 electric signal connections of vehicle networking unit. After reading the radio frequency signal in the encrypted state of the radio frequency card, the card reader on the vehicle 11 directly sends the radio frequency signal to the charging port cover detection control unit 4, and the charging port cover detection control unit 4 receives the radio frequency signal in the encrypted state and sends the radio frequency signal to the vehicle networking unit 5. Optionally, the radio frequency reading unit 3 and the charging port cover detection control unit 4 may communicate through wireless connection or wired connection. Alternatively, the charging port cover detection control unit 4 and the vehicle networking unit 5 may communicate through a wireless connection or a wired connection.
In this embodiment, controlling means still includes the rifle that charges and connects detection device 9 and the flap executor 10 that charges, and the rifle that charges is connected detection device 9 and is charged flap detection controlling means signal connection, and the rifle that charges is connected detection device 9 and is used for detecting whether the rifle that charges inserts the mouth that charges of vehicle, and flap executor 10 and the flap detection controlling means signal connection that charges charge, the flap executor 10 that charges is used for controlling the flap that charges of vehicle to open and shut. The modules in the vehicle 11, such as the radio frequency reading unit 3, the charging port cover actuator 10, the charging gun connection detection device 9, the charging port cover detection control unit 4, the vehicle networking unit 5, and the like, may exist independently or may be integrated together, and may also perform function redistribution or be integrated into other existing control units in the vehicle 11, such as a battery management system, a vehicle controller, and the like.
The charging station 12 is provided with a service management unit 6, a charging pile 14, a low-voltage cabinet 16 and a power cabinet 15, the service management unit 6 is arranged on the low-voltage cabinet 16, the service management unit 6 is in electric signal connection with the charging station communication unit 1, the vehicle networking unit 5 is used for sending the radio-frequency signal in the encrypted state and the vehicle information of the vehicle to the charging station communication unit 1, the service management unit 6 is used for sending a control instruction after identifying the radio-frequency signal in the encrypted state and the vehicle information of the vehicle, and the vehicle networking unit 5 is used for sending the control instruction to the charging port cover detection control unit 4 to control the charging port cover of the vehicle to be opened.
Specifically, the vehicle networking unit 5 receives the radio frequency signal in the encrypted state, performs communication encryption again together with vehicle information, and sends the radio frequency signal in the encrypted state and the vehicle information to the charging station communication unit 1 through WIFI, the charging station communication unit 1 performs communication decryption to obtain the radio frequency signal in the encrypted state and the vehicle information, then sends the radio frequency signal in the encrypted state and the vehicle information to the service management unit 6, the service management unit 6 performs decryption by using a specific key to obtain the radio frequency signal, and judges whether the charging gun 13 corresponding to the radio frequency signal is available or not according to identity identification information, charging pile information and the like contained in the radio frequency signal, if the charging gun is available, an authentication result is fed back to the vehicle 11, and if the authentication fails, the radio frequency card information is continuously read through a card; if the authentication is successful, the charging port cover detection control unit 4 controls the charging port cover actuator 10 to open the charging port cover and wait for charging connection, and if the connection is successful, the charging of the whole vehicle is started; and if no connection is overtime for a long time, closing the charging port cover and continuously reading the radio frequency card information. The timeout is the time exceeding a first preset time, and the first preset time can be calibrated by a person skilled in the art, and is set to 1 minute in the application. Whether the charging connection is successful or not is judged by detecting whether the charging gun 13 is inserted into the charging port, and the charging port cover detection control unit 4 is utilized to continuously control the charging gun connection detection device to detect whether the charging gun 13 is inserted into the charging port or not.
Specifically, when the service management unit 6 identifies that the radio frequency card is not a valid card or the corresponding charging pile 14 is occupied, it feeds back an authentication failure to the vehicle 11 and continues to wait for a new radio frequency signal; and if the service management unit 6 identifies that the radio frequency card is a valid card and is idle, feeding back the successful authentication to the vehicle 11, and continuously waiting for the charging pile 14 to establish a charging connection with the vehicle 11. When a charging gun of the charging pile is in charging connection with a vehicle, entering a normal charging process; when the charging gun 13 of the charging pile 14 and the vehicle 11 do not establish charging connection and do not time out, continuing to wait for the charging pile 14 to establish charging connection with the vehicle 11; when the charging gun 13 of the charging pile 14 and the vehicle 11 do not establish a charging connection and wait for timeout, the current authentication and authorization information is cleared, and new radio frequency signals are continuously waited for. When a new authentication request of the unified vehicle is received while waiting for the charging gun 13 of the charging pile 14 to establish charging connection with the vehicle 11, the current authentication authorization information is also cleared, and a new radio frequency signal is continuously waited for. The timeout is the time exceeding a second preset time, which can be calibrated by a person skilled in the art, and is set to 1 minute in the present application.
In this embodiment, the charging station 12 is further provided with a charging control unit 7 and a power management unit 8, the charging control unit 7 is disposed on the charging pile 14, the charging control unit 7 is electrically connected to the charging gun 13, the charging control unit 7 is configured to control the charging gun 13 to establish a charging connection with the vehicle 11, the power management unit 8 is disposed on the power cabinet 15, one end of the power management unit 8 is electrically connected to the service management unit 6, the other end of the power management unit 8 is electrically connected to the charging control unit 7, and the power management unit 8 is configured to output power to charge the vehicle 11. The charging control unit 7 is responsible for establishing a charging connection with the vehicle 11, and after the charging connection is correct and the authentication is successful, the service management unit 6 may authorize the power management unit 8 to output power to the vehicle 11, so as to charge the vehicle 11. If the user inserts the charging gun 13 and establishes charging connection and charging authentication, the power management unit 8 informs the power management unit 8 to transmit power to the corresponding charging pile 14 to start charging, and if the authentication information of the same radio frequency signal is received in the waiting process or charging is not started for a long time and waiting is overtime, the radio frequency signal authentication is performed again.
One charging station 12 requires one charging station communication unit 1 and one service management unit 6, each service management unit 6 can manage a plurality of power management units 8, and each power management unit 8 can support a plurality of charging control units 7, so that a plurality of vehicles 11 can establish connection with the charging station 12 and perform charging authentication and start charging at the same time. The modules of the charging station communication unit 1, the service management unit 6, the charging control unit 7, and the power management unit 8 may be present individually or integrated together, or may perform a functional division, for example, a part of the functions of the charging control unit 7 may be allocated to the service management unit 6 or the power management unit 8 for implementation.
In the whole charging connection authentication and charging process, the charging station 12 and the vehicle 11 upload the related charging information to their respective cloud platforms, the charging station 12 is correspondingly provided with a pile cloud platform 17, the pile cloud platform 17 and the charging station 12 communicate with each other through wireless connection or wired connection, the vehicle 11 is correspondingly provided with a vehicle cloud platform 18, the vehicle cloud platform 18 and the vehicle 11 communicate with each other through wireless connection or wired connection, the pile cloud platform 17 and the vehicle cloud platform 18 can directly perform information interaction, so that, in the event that the vehicle 11 cannot connect to the charging station WIFI, communication between the vehicle 11 and the charging station 12 can be made via the respective cloud platforms, namely, the information needing interaction is sent to the vehicle cloud platform 18 through the vehicle 11, the vehicle cloud platform 18 is sent to the pile cloud platform 17, the pile cloud platform 17 is sent to the charging station 12, thereby forming a communication link to complete information interaction between the vehicle 11 and the charging station 12. The service management unit 6 is responsible for management of the whole charging station 12 and communicates with the vehicle cloud platform 18 through the charging station communication unit 1, and if the vehicle 11 is automatically connected with the charging station communication unit 1 through WIFI, the service management unit 6 can also communicate with the vehicle 11, so that mutual vehicle stub authentication and charging information interaction are performed.
In addition, as shown in fig. 2, a method for controlling a radio frequency intelligent opening charging port cover is further provided, where the method is implemented based on the control device in embodiment 1, and includes:
s100: when the vehicle enters the battery replacement station, the vehicle networking unit 5 and the charging station communication unit 1 are used for automatic authentication connection;
s200: when the vehicle networking unit 5 and the charging station communication unit 1 are successfully connected by automatic authentication, the vehicle networking unit 5 is used for informing the charging port cover detection control unit 4 to open the radio frequency reading unit 3;
s300: controlling the radio frequency reading unit 3 to keep an open state to wait for the radio frequency unit 2 to approach;
s400: when the radio frequency unit 2 is close to the radio frequency reading unit 3, the radio frequency reading unit 3 is used for reading the radio frequency signal sent by the radio frequency unit 2;
s500: the radio frequency reading unit 3 is used for reading radio frequency signals and sending the radio frequency signals to the vehicle networking unit 5 through the charging cover detection control unit 4;
s600: the vehicle networking unit 5 is used for receiving the radio frequency signal and sending the radio frequency signal and the vehicle information of the vehicle to the service management unit 6 through the charging station communication unit 1;
s700: after the service management unit 6 receives and identifies the radio frequency signal and the vehicle information of the vehicle, the control instruction is sent to the vehicle networking unit 5 through the charging station communication unit 1;
s800: and receiving the control instruction by using the vehicle networking unit 5, and sending the control instruction to the charging port cover detection control unit 4 to control the charging port cover of the vehicle to be opened.
In this embodiment, after the vehicle enters the battery replacement station, the vehicle networking unit 5 and the charging station communication unit 1 are used to perform automatic authentication connection, including:
after the vehicle enters the battery replacement station, a vehicle pile authentication request is sent by using the vehicle networking unit 5;
the charging station communication unit is used for verifying the vehicle pile authentication request to determine that the vehicle can be charged, and an authentication instruction is sent to the vehicle networking unit 5;
judging whether the vehicle networking unit 5 and the charging station communication unit 1 can be automatically connected by authentication according to the authentication instruction;
when it is determined that the vehicle networking unit 5 and the charging station communication unit 1 can automatically authenticate the connection, the automatic authentication connection is performed using the vehicle networking unit 5 and the charging station communication unit 1.
As described above, the present invention has the following advantageous effects:
1) through setting up that the radio frequency communication distance is adjustable, can carry out the radio frequency distance adjustment according to the design of charging station, avoid the problem of open other parking stall vehicles charging flap by mistake.
2) The key for decrypting the radio frequency signal is only stored in the radio frequency unit, the charging gun and the charging station, the vehicle only reads and transmits the radio frequency signal and does not perform decryption authentication, the vehicle does not need to store the key in the radio frequency authentication process, the safety is high, the usability can be improved, the coupling degree can be reduced, and the charging station can be conveniently upgraded and expanded.
3) The authentication is automatically connected through the charging pile and the vehicle, human intervention is not needed, and the safety is high.
4) Before a user carries out charging by the aid of the charging gun, mutual authentication and information exchange between the vehicle and the charging pile are achieved, so that whether the two sides have charging conditions or not can be confirmed in advance, preparation is made for charging, and the charging process can be started quickly.
5) The vehicle and the charging pile mutually authenticate and the vehicle starts the radio frequency reading unit after the charging condition is confirmed, and the vehicle is not started under normal conditions, extra power consumption is not increased, and energy is saved.
The embodiments and features of the embodiments described herein above can be combined with each other without conflict.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A radio frequency intelligent charging opening cover opening control device is characterized by comprising a charging station communication unit (1), a radio frequency unit (2), a radio frequency reading unit (3), a charging opening cover detection control unit (4) and a vehicle networking unit (5);
the vehicle networking unit (5) is arranged on a vehicle, the charging station communication unit (1) is arranged on a charging station, and the vehicle networking unit (5) is arranged to be automatically connected with the charging station communication unit (1) in an authentication mode when the vehicle enters the charging station;
the radio frequency unit (2) is arranged on the charging gun, the radio frequency reading unit (3) is arranged on the vehicle, and the radio frequency reading unit (3) is used for reading a radio frequency signal of the radio frequency unit (2);
the charging port cover detection control unit (4) is arranged on the vehicle, one end of the radio frequency reading unit (3) is in electric signal connection with one end of the charging port cover detection control unit (4), the radio frequency reading unit (3) is used for sending the radio frequency signal to the charging port cover detection control unit (4), the other end of the charging port cover detection control unit (4) is in electric signal connection with the vehicle networking unit (5), and the charging port cover detection control unit (4) is used for sending the radio frequency signal to the vehicle networking unit (5);
the charging station is provided with a service management unit (6), the service management unit (6) is in electric signal connection with the charging station communication unit (1), the vehicle networking unit (5) is used for sending the radio frequency signal and the vehicle information of the vehicle to the charging station communication unit (1), and the service management unit (6) is used for sending a control command after identifying the radio frequency signal and the vehicle information of the vehicle;
the vehicle networking unit (5) is used for sending the control instruction to the charging opening cover detection control unit (4) so as to control the opening of the charging opening cover of the vehicle.
2. The rf smart opening charge flap control of claim 1, wherein the rf signal is an encrypted rf signal.
3. The rf intelligent opening charging port cover control device according to claim 1, wherein the rf unit (2) is capable of setting the rf communication distance of the rf signal.
4. The rf smart opening charge door control device of claim 1, wherein the rf reading unit (3) is provided on or near the vehicle charge door.
5. The radio frequency intelligent opening charging port cover control device as claimed in claim 1, wherein the charging station is further provided with a charging control unit (7), the charging control unit (7) is electrically connected with the charging gun, and the charging control unit (7) is used for controlling the charging gun to establish charging connection with the vehicle.
6. The radio frequency intelligent opening charging port cover control device according to claim 5, wherein the charging station is further provided with a power management unit (8), one end of the power management unit (8) is electrically connected with the service management unit (6), the other end of the power management unit (8) is electrically connected with the charging control unit (7), and the power management unit (8) is used for outputting power to charge a vehicle.
7. A charging port cover contact type opening control device according to claim 1, further comprising a charging gun connection detecting means (9), said charging gun connection detecting means (9) being in electrical signal connection with said charging port cover detection control device, said charging gun connection detecting means (9) being for detecting whether a charging gun is inserted into a charging port of said vehicle.
8. The contact type opening control device of a charging port cover as claimed in claim 1, further comprising a charging port cover actuator (10), wherein the charging port cover actuator (10) is electrically connected to the charging port cover detection control device, and the charging port cover actuator (10) is used for controlling the opening and closing of the charging port cover of the vehicle.
9. A control method for intelligently opening a charging port cover through radio frequency, which is realized based on the control device of any one of claims 1-8, and comprises the following steps:
when a vehicle enters a battery replacement station, the vehicle networking unit (5) and the charging station communication unit (1) are used for automatic authentication connection;
when the vehicle networking unit (5) and the charging station communication unit (1) are successfully connected through automatic authentication, the vehicle networking unit (5) is used for informing the charging port cover detection control unit (4) to open the radio frequency reading unit (3);
controlling the radio frequency reading unit (3) to keep an open state to wait for the radio frequency unit (2) to approach;
when the radio frequency unit (2) approaches the radio frequency reading unit (3), reading a radio frequency signal sent by the radio frequency unit (2) by using the radio frequency reading unit (3);
the radio frequency reading unit (3) is used for reading the radio frequency signal and sending the radio frequency signal to the vehicle networking unit (5) through the charging port cover detection control unit (4);
receiving the radio frequency signal by using the vehicle networking unit (5), and sending the radio frequency signal and the vehicle information of the vehicle to the service management unit (6) through the charging station communication unit (1);
after the service management unit (6) is used for receiving and identifying the radio frequency signal and the vehicle information of the vehicle, a control instruction is sent to the vehicle networking unit (5) through the charging station communication unit (1);
and receiving the control instruction by using the vehicle networking unit (5), and sending the control instruction to the charging port cover detection control unit (4) to control the charging port cover of the vehicle to be opened.
10. The method for controlling the radio frequency intelligent opening charging cover according to claim 9, wherein the automatic authentication connection between the vehicle networking unit (5) and the charging station communication unit (1) is performed after the vehicle enters the battery replacement station, and the method comprises:
after the vehicle enters the battery replacement station, the vehicle networking unit (5) is used for sending a vehicle pile authentication request;
verifying the vehicle pile authentication request by using the charging station communication unit to determine that the vehicle can be charged, and sending an authentication instruction to the vehicle networking unit (5);
judging whether the vehicle networking unit (5) and the charging station communication unit (1) can be automatically connected by authentication according to the authentication instruction;
when it is determined that the vehicle networking unit (5) and the charging station communication unit (1) can automatically authenticate the connection, an automatic authentication connection is performed by using the vehicle networking unit (5) and the charging station communication unit (1).
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